Pull Request #602: cmake: fix incorrectly linking to libatomic on macOS

Reason for partial revert:
Adding the atomic library is meant by CheckAtomic
to be automatic through CMAKE_REQUIRED_LIBRARIES.

.devcontainer/devcontainer.json

@@ -0,0 +1,12 @@
+{
+	"name": "C++",
+	"build": {
+		"dockerfile": "../docker/DockerfileDepsLlvm",
+	},
+	"runArgs": [ "--cap-add=SYS_PTRACE", "--security-opt", "seccomp=unconfined"],
+	"settings": {},
+	"extensions": [
+		"ms-vscode.cpptools"
+	],
+	"forwardPorts": [4222],
+}

.github/workflows/ccpp.yml

@@ -1,24 +1,20 @@
 name: C/C++ CI
 
-on: [push]
+on: [push, pull_request]
 
 jobs:
-  build:
-
+  build-ubuntu:
+    name: Ubuntu/GCC build
     runs-on: ubuntu-latest
-    
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v3
     - name: deps
       run: |
         sudo apt install libncurses5-dev libreadline-dev nettle-dev \
         libgnutls28-dev libuv1-dev cython3 python3-dev python3-setuptools libcppunit-dev libjsoncpp-dev \
-        autotools-dev autoconf libfmt-dev libhttp-parser-dev libmsgpack-dev
+        autotools-dev autoconf libfmt-dev libhttp-parser-dev libmsgpack-dev libargon2-0-dev
     - name: autogen
       run: ./autogen.sh
-    - name: argon2
-      run: |
-        cd argon2 && make && sudo make install && cd ..
     - name: asio
       run: |
         wget https://github.com/aberaud/asio/archive/b2b7a1c166390459e1c169c8ae9ef3234b361e3f.tar.gz \
@@ -32,3 +28,39 @@ jobs:
       run: make
     - name: make check
       run: make check
+
+  build-macos:
+    name: macOS/Clang build
+    runs-on: macos-11
+    steps:
+    - uses: actions/checkout@v3
+    - name: deps
+      run: |
+        brew install msgpack-cxx asio gnutls nettle readline fmt jsoncpp argon2 openssl http-parser cppunit
+    
+    - name: restinio
+      run: |
+        mkdir restinio && cd restinio
+        wget https://github.com/aberaud/restinio/archive/e0a261dd8488246a3cb8bbb3ea781ea5139c3c94.tar.gz
+        ls -l && tar -xzf e0a261dd8488246a3cb8bbb3ea781ea5139c3c94.tar.gz
+        cd restinio-e0a261dd8488246a3cb8bbb3ea781ea5139c3c94/dev
+        cmake -DCMAKE_INSTALL_PREFIX=/usr/local -DRESTINIO_TEST=OFF -DRESTINIO_SAMPLE=OFF \
+                -DRESTINIO_INSTALL_SAMPLES=OFF -DRESTINIO_BENCH=OFF -DRESTINIO_INSTALL_BENCHES=OFF \
+                -DRESTINIO_FIND_DEPS=ON -DRESTINIO_ALLOW_SOBJECTIZER=Off -DRESTINIO_USE_BOOST_ASIO=none .
+        make -j8 && sudo make install
+        cd ../../.. && rm -rf restinio
+
+    - name: cmake
+      run: |
+        mkdir build && cd build
+        export PATH="/opt/homebrew/opt/openssl@3/bin:$PATH"
+        export LDFLAGS="-L/usr/local/opt/openssl@3/lib"
+        export CPPFLAGS="-I/usr/local/opt/openssl@3/include"
+        export PKG_CONFIG_PATH="/usr/local/opt/openssl@3/lib/pkgconfig"
+        cmake .. -DCMAKE_INSTALL_PREFIX=/usr/local -DCMAKE_BUILD_TYPE=Debug \
+                 -DOPENDHT_C=On -DOPENDHT_TESTS=On -DOPENDHT_PEER_DISCOVERY=On -DOPENDHT_PYTHON=Off \
+                 -DOPENDHT_TOOLS=On -DOPENDHT_PROXY_SERVER=On -DOPENDHT_PROXY_CLIENT=On
+
+    - name: make
+      run: cd build && make
+

.github/workflows/clang-analyzer.yml

@@ -0,0 +1,35 @@
+name: Clang Static Analysis
+on:
+  push
+jobs:
+  clang-analyzer:
+    name: Clang Static Analysis
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: deps
+        run: |
+          sudo apt install libncurses5-dev libreadline-dev nettle-dev \
+          libgnutls28-dev libuv1-dev cython3 python3-dev python3-setuptools libcppunit-dev libjsoncpp-dev \
+          autotools-dev autoconf libfmt-dev libhttp-parser-dev libmsgpack-dev libargon2-0-dev libasio-dev \
+          llvm llvm-dev clang clang-tools && \
+          sudo apt remove gcc g++
+
+      - name: restinio
+        run: |
+          mkdir restinio && cd restinio \
+          && wget https://github.com/aberaud/restinio/archive/e0a261dd8488246a3cb8bbb3ea781ea5139c3c94.tar.gz \
+          && ls -l && tar -xzf e0a261dd8488246a3cb8bbb3ea781ea5139c3c94.tar.gz \
+          && cd restinio-e0a261dd8488246a3cb8bbb3ea781ea5139c3c94/dev \
+          && cmake -DCMAKE_INSTALL_PREFIX=/usr -DRESTINIO_TEST=OFF -DRESTINIO_SAMPLE=OFF \
+                  -DRESTINIO_INSTALL_SAMPLES=OFF -DRESTINIO_BENCH=OFF -DRESTINIO_INSTALL_BENCHES=OFF \
+                  -DRESTINIO_FIND_DEPS=ON -DRESTINIO_ALLOW_SOBJECTIZER=Off -DRESTINIO_USE_BOOST_ASIO=none . \
+          && make -j8 && sudo make install \
+          && cd ../../.. && rm -rf restinio
+
+      - name: cmake
+        run: |
+          mkdir build && cd build && \
+          cmake .. -DCMAKE_INSTALL_PREFIX=/usr -DCMAKE_BUILD_TYPE=Debug -DOPENDHT_C=On -DOPENDHT_PEER_DISCOVERY=On -DOPENDHT_PYTHON=Off -DOPENDHT_TOOLS=On -DOPENDHT_PROXY_SERVER=On -DOPENDHT_PROXY_CLIENT=On
+      - name: scan-build
+        run: cd build && scan-build --status-bugs make

.gitignore

@@ -19,6 +19,9 @@
 *.exe
 *.out
 *.app
+**/dhtnode
+**/dhtchat
+**/dhtscanner
 
 # Autotools
 /ac
@@ -73,3 +76,4 @@ doc/Doxyfile
 
 # build dir
 build
+.DS_Store

.gitmodules

@@ -1,4 +0,0 @@
-[submodule "argon2"]
-	path = argon2
-	url = https://github.com/P-H-C/phc-winner-argon2
-	ignore = dirty

.travis.yml

@@ -1,68 +0,0 @@
-dist: xenial
-sudo: required
-
-services:
-  - docker
-
-language: cpp
-
-env:
-  matrix:
-    - OPENDHT_TEST_JOB="opendht.classic"
-    - OPENDHT_TEST_JOB="opendht.llvm"
-    - OPENDHT_TEST_JOB="opendht.proxyserver"
-    - OPENDHT_TEST_JOB="opendht.proxyclient"
-    - OPENDHT_TEST_JOB="opendht.push"
-
-before_install:
-  - |
-    # non llvm builds
-    if [[ "$OPENDHT_TEST_JOB" != *"opendht.llvm"* ]]; then
-      docker pull aberaud/opendht-deps;
-    fi
-
-  - |
-    # classic build
-    if [[ "$OPENDHT_TEST_JOB" == *"opendht.llvm"* ]]; then
-      docker pull aberaud/opendht-deps-llvm
-    fi
-
-script:
-  - |
-    # classic build
-    if [[ "$OPENDHT_TEST_JOB" == *"opendht.classic"* ]]; then
-      docker build -t opendht -f docker/DockerfileTravis .;
-    fi
-
-  - |
-    # proxy builds
-    if [[ "$OPENDHT_TEST_JOB" != *"opendht.llvm"* ]] && [[ "$OPENDHT_TEST_JOB" != *"opendht.classic"* ]]; then
-      docker build -t opendht-proxy -f docker/DockerfileTravisProxy .;
-      options='-DOPENDHT_SANITIZE=On ';
-      if [[ "$OPENDHT_TEST_JOB" == *"opendht.proxyserver"* ]] || [[ "$OPENDHT_TEST_JOB" == *"opendht.push"* ]]; then
-        options+='-DOPENDHT_PROXY_SERVER=ON ';
-      else
-        options+='-DOPENDHT_PROXY_SERVER=OFF ';
-      fi
-      if [[ "$OPENDHT_TEST_JOB" == *"opendht.proxyclient"* ]] || [[ "$OPENDHT_TEST_JOB" == *"opendht.push"* ]]; then
-        options+='-DOPENDHT_PROXY_CLIENT=ON ';
-      else
-        options+='-DOPENDHT_PROXY_CLIENT=OFF ';
-      fi
-      if [[ "$OPENDHT_TEST_JOB" == *"opendht.push"* ]]; then
-        options+='-DOPENDHT_PUSH_NOTIFICATIONS=ON ';
-      else
-        options+='-DOPENDHT_PUSH_NOTIFICATIONS=OFF ';
-      fi
-      docker run opendht-proxy /bin/sh -c "cd /root/opendht && mkdir build && cd build && cmake -DCMAKE_INSTALL_PREFIX=/usr -DOPENDHT_PYTHON=ON -DOPENDHT_LTO=ON -DOPENDHT_TESTS=ON $options .. && make -j8 && ./opendht_unit_tests && make install";
-    fi
-
-  - |
-    # llvm build
-    if [[ "$OPENDHT_TEST_JOB" == *"opendht.llvm"* ]]; then
-      docker build -f docker/DockerfileTravisLlvm .
-    fi
-
-notifications:
-  email:
-      - adrien.beraud@savoirfairelinux.com

.vscode/launch.json

@@ -0,0 +1,54 @@
+{
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "name": "dhtnode",
+            "type": "cppdbg",
+            "request": "launch",
+            "program": "${workspaceFolder}/build/tools/dhtnode",
+            "args": ["-v", "-p", "4222"],
+            "cwd": "${workspaceFolder}/build",
+            "environment": [],
+            "setupCommands": [
+                {
+                    "description": "Enable pretty-printing for gdb",
+                    "text": "-enable-pretty-printing",
+                    "ignoreFailures": true
+                }
+            ],
+            "preLaunchTask": "build",
+            "linux": {
+                "MIMode": "gdb",
+                "externalConsole": false,
+              },
+              "osx": {
+                "MIMode": "lldb",
+                "externalConsole": true,
+              },
+        },
+        {
+            "name": "tests",
+            "type": "cppdbg",
+            "request": "launch",
+            "program": "${workspaceFolder}/build/opendht_unit_tests",
+            "cwd": "${workspaceFolder}/build",
+            "environment": [],
+            "setupCommands": [
+                {
+                    "description": "Enable pretty-printing for gdb",
+                    "text": "-enable-pretty-printing",
+                    "ignoreFailures": true
+                }
+            ],
+            "preLaunchTask": "build",
+                        "linux": {
+                "MIMode": "gdb",
+                "externalConsole": false,
+              },
+              "osx": {
+                "MIMode": "lldb",
+                "externalConsole": true,
+              },
+        }
+    ]
+}

.vscode/tasks.json

@@ -0,0 +1,44 @@
+{
+    "version": "2.0.0",
+    "tasks": [
+        {
+            "label": "build",
+            "type": "shell",
+            "options": {
+                "cwd": "${workspaceRoot}/build"
+            },
+            "command": "make",
+            "args": ["-j4"],
+            "dependsOn": "cmake"
+        },
+        {
+            "label": "cmake",
+            "type": "shell",
+            "options": {
+                "cwd": "${workspaceRoot}/build"
+            },
+            "command": "cmake",
+            "args": [
+                "${workspaceRoot}",
+                "-DCMAKE_BUILD_TYPE=Debug",
+                "-DOPENDHT_PROXY_CLIENT=On",
+                "-DOPENDHT_PROXY_SERVER=On",
+                "-DOPENDHT_TESTS=On",
+                "-DOPENDHT_C=On"
+            ],
+            "dependsOn": "builddir"
+        },
+        {
+            "label": "builddir",
+            "type": "shell",
+            "options": {
+                "cwd": "${workspaceRoot}"
+            },
+            "command": "mkdir",
+            "args": [
+                "-p",
+                "${workspaceRoot}/build"
+            ]
+        },
+    ]
+}

CMakeLists.txt

@@ -1,10 +1,25 @@
-cmake_minimum_required (VERSION 3.1)
+cmake_minimum_required (VERSION 3.10)
+if(POLICY CMP0065)
+  cmake_policy(SET CMP0065 NEW)
+endif()
+if(POLICY CMP0069)
+  cmake_policy(SET CMP0069 NEW)
+endif()
+if(POLICY CMP0073)
+  cmake_policy(SET CMP0073 NEW)
+endif()
+if(POLICY CMP0074)
+  cmake_policy(SET CMP0074 NEW)
+endif()
+project (opendht)
+
 include(CMakePackageConfigHelpers)
 include(CMakeDependentOption)
+include(FindPkgConfig)
+include(cmake/CheckAtomic.cmake)
 
-project (opendht)
 set (opendht_VERSION_MAJOR 2)
-set (opendht_VERSION_MINOR 0.0)
+set (opendht_VERSION_MINOR 4.0)
 set (opendht_VERSION ${opendht_VERSION_MAJOR}.${opendht_VERSION_MINOR})
 set (PACKAGE_VERSION ${opendht_VERSION})
 set (VERSION "${opendht_VERSION}")
@@ -16,94 +31,122 @@ option (OPENDHT_LOG "Build with logs" ON)
 option (OPENDHT_PYTHON "Build Python bindings" OFF)
 option (OPENDHT_TOOLS "Build DHT tools" ON)
 option (OPENDHT_SYSTEMD "Install systemd module" OFF)
-option (OPENDHT_ARGON2 "Use included argon2 sources" OFF)
-option (OPENDHT_LTO "Build with LTO" OFF)
+option (OPENDHT_SYSTEMD_UNIT_FILE_LOCATION "Where to install systemd unit file")
 option (OPENDHT_SANITIZE "Build with address sanitizer and stack protector" OFF)
 option (OPENDHT_PROXY_SERVER "Enable DHT proxy server, use Restinio and jsoncpp" OFF)
 option (OPENDHT_PUSH_NOTIFICATIONS "Enable push notifications support" OFF)
 option (OPENDHT_PROXY_SERVER_IDENTITY "Allow clients to use the node identity" OFF)
 option (OPENDHT_PROXY_CLIENT "Enable DHT proxy client, use Restinio and jsoncpp" OFF)
 option (OPENDHT_PROXY_OPENSSL "Build DHT proxy with OpenSSL" ON)
-option (OPENDHT_PROXY_HTTP_PARSER_FORK "Build DHT proxy with custom http_parser to support old API" OFF)
 CMAKE_DEPENDENT_OPTION(OPENDHT_HTTP "Build embedded http(s) client" OFF "NOT OPENDHT_PROXY_SERVER;NOT OPENDHT_PROXY_CLIENT" ON)
 option (OPENDHT_PEER_DISCOVERY "Enable multicast peer discovery" ON)
 option (OPENDHT_INDEX "Build DHT indexation feature" OFF)
 option (OPENDHT_TESTS "Add unit tests executable" OFF)
+option (OPENDHT_TESTS_NETWORK "Enable unit tests that require network access" ON)
 option (OPENDHT_C "Build C bindings" OFF)
 
 find_package(Doxygen)
 option (OPENDHT_DOCUMENTATION "Create and install the HTML based API documentation (requires Doxygen)" ${DOXYGEN_FOUND})
 
 # Dependencies
+if (NOT HAVE_CXX_ATOMICS_WITHOUT_LIB)
+    link_libraries (atomic)
+endif ()
+
 list (APPEND CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/cmake")
-find_package (Threads)
-find_package (PkgConfig)
-find_package (GnuTLS 3.3 REQUIRED)
-pkg_search_module (Nettle nettle)
-find_package (Msgpack 1.2 REQUIRED)
-if (OPENDHT_TOOLS)
-    find_package (Readline 6 REQUIRED)
-endif ()
-if (NOT OPENDHT_ARGON2)
-    find_package(PkgConfig)
-    pkg_search_module(argon2 libargon2)
-    if (argon2_FOUND)
-        message("-- Found Argon2: " ${argon2_LIBRARY_DIRS} " (found version \"" ${argon2_VERSION} "\")")
-        link_directories (${argon2_LIBRARY_DIRS})
-    else ()
-        message("Argon2 not found, using included version.")
-        set(OPENDHT_ARGON2 ON)
+if (NOT MSVC)
+    set (THREADS_PREFER_PTHREAD_FLAG TRUE)
+    find_package (Threads)
+    find_package (PkgConfig REQUIRED)
+    find_package (GnuTLS 3.3 REQUIRED)
+    pkg_search_module (Nettle REQUIRED nettle)
+    find_package (msgpack REQUIRED)
+    if (OPENDHT_TOOLS)
+        find_package (Readline 6 REQUIRED)
+    endif ()
+    pkg_search_module(argon2 REQUIRED libargon2)
+    pkg_search_module(Jsoncpp jsoncpp)
+    if (Jsoncpp_FOUND)
+        add_definitions(-DOPENDHT_JSONCPP)
+        list (APPEND opendht_SOURCES
+          src/base64.h
+          src/base64.cpp
+        )
     endif()
-endif ()
 
-pkg_search_module(Jsoncpp jsoncpp)
-if (Jsoncpp_FOUND)
-    add_definitions(-DOPENDHT_JSONCPP)
-    list (APPEND opendht_SOURCES
-      src/base64.h
-      src/base64.cpp
-    )
-endif()
+    if (OPENDHT_HTTP OR OPENDHT_PEER_DISCOVERY)
+        find_path(ASIO_INCLUDE_DIR asio.hpp REQUIRED)
+    endif ()
 
-if (OPENDHT_HTTP)
-    find_package(Restinio REQUIRED)
-    if (Restinio_FOUND)
+    if (OPENDHT_HTTP)
+        find_package(Restinio REQUIRED)
         find_library(FMT_LIBRARY fmt)
         add_library(fmt SHARED IMPORTED)
         find_library(HTTP_PARSER_LIBRARY http_parser)
         add_library(http_parser SHARED IMPORTED)
-    endif()
-    if (NOT Jsoncpp_FOUND)
-        message(SEND_ERROR "Jsoncpp is required for DHT proxy support")
-    endif()
-    if (OPENDHT_PROXY_OPENSSL)
-        # https://cmake.org/cmake/help/latest/module/FindOpenSSL.html
-        pkg_search_module(OPENSSL REQUIRED openssl)
-        if (OPENSSL_FOUND)
-            message(STATUS "Found OpenSSL ${OPENSSL_VERSION}")
-            include_directories(${OPENSSL_INCLUDE_DIRS})
-        else ()
-            message(SEND_ERROR "OpenSSL is required for DHT proxy as specified")
+        if (NOT Jsoncpp_FOUND)
+            message(SEND_ERROR "Jsoncpp is required for DHT proxy support")
         endif()
-    endif()
-    if (OPENDHT_PROXY_HTTP_PARSER_FORK)
-        add_definitions(-DOPENDHT_PROXY_HTTP_PARSER_FORK)
-    endif()
-else()
-    set(OPENDHT_PROXY_OPENSSL OFF)
-endif()
+        if (OPENDHT_PROXY_OPENSSL)
+            # https://cmake.org/cmake/help/latest/module/FindOpenSSL.html
+            pkg_search_module(OPENSSL REQUIRED openssl)
+            if (OPENSSL_FOUND)
+                message(STATUS "Found OpenSSL ${OPENSSL_VERSION} ${OPENSSL_INCLUDE_DIRS}")
+                include_directories(SYSTEM ${OPENSSL_INCLUDE_DIRS})
+                link_directories (${OPENSSL_LIBRARY_DIRS})
+            else ()
+                message(SEND_ERROR "OpenSSL is required for DHT proxy as specified")
+            endif()
+        endif()
+    else ()
+        set(OPENDHT_PROXY_OPENSSL OFF)
+    endif ()
+else ()
+    set (WIN32_DEP_DIR ${PROJECT_SOURCE_DIR}/../)
+    include_directories(${WIN32_DEP_DIR}/../msvc/include) # SMP gnutls
+    include_directories(${WIN32_DEP_DIR}/argon2/include)
+    include_directories(${WIN32_DEP_DIR}/jsoncpp/include)
+    list (APPEND opendht_SOURCES
+        src/base64.h
+        src/base64.cpp
+    )
+    add_definitions(-DOPENDHT_JSONCPP)
+    include_directories(${WIN32_DEP_DIR}/msgpack-c/include)
+    if (OPENDHT_HTTP OR OPENDHT_PEER_DISCOVERY)
+        include_directories(
+            ${WIN32_DEP_DIR}/asio/asio/include
+            ${WIN32_DEP_DIR}/openssl/include
+            ${WIN32_DEP_DIR}/restinio/dev
+            ${WIN32_DEP_DIR}/fmt/include
+            ${WIN32_DEP_DIR}/http_parser
+        )
+    endif ()
+endif ()
+
 if (OPENDHT_HTTP OR OPENDHT_PEER_DISCOVERY)
     add_definitions(-DASIO_STANDALONE)
 endif()
 
 # Build flags
-set (CMAKE_CXX_STANDARD 14)
+set (CMAKE_CXX_STANDARD 17)
 set (CMAKE_CXX_STANDARD_REQUIRED on)
-set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-return-type -Wall -Wextra -Wnon-virtual-dtor -pedantic-errors -fvisibility=hidden")
-if (OPENDHT_SANITIZE)
-    set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=address -fstack-protector-strong")
+
+if (NOT MSVC)
+    set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-return-type -Wall -Wextra -Wnon-virtual-dtor -pedantic-errors -fvisibility=hidden")
+    if (OPENDHT_SANITIZE)
+        set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fsanitize=address -fstack-protector-strong")
+    endif ()
+else ()
+    add_definitions(-D_WINSOCK_DEPRECATED_NO_WARNINGS
+                    -D_CRT_SECURE_NO_WARNINGS
+                    -DWIN32_LEAN_AND_MEAN
+                    -DSTATIC_GETOPT
+                    -DGNUTLS_INTERNAL_BUILD)
+    set(DISABLE_MSC_WARNINGS "/wd4101 /wd4244 /wd4267 /wd4273 /wd4804 /wd4834 /wd4996")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} ${DISABLE_MSC_WARNINGS}")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /MP")
 endif ()
-set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DMSGPACK_DISABLE_LEGACY_NIL -DMSGPACK_DISABLE_LEGACY_CONVERT")
+set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DMSGPACK_NO_BOOST -DMSGPACK_DISABLE_LEGACY_NIL -DMSGPACK_DISABLE_LEGACY_CONVERT")
 
 if (NOT CMAKE_BUILD_TYPE)
     set(CMAKE_BUILD_TYPE Release)
@@ -114,15 +157,6 @@ if (OPENDHT_LOG)
 else ()
     add_definitions(-DOPENDHT_LOG=false)
 endif()
-if (OPENDHT_LTO)
-    set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -flto")
-    if (CMAKE_COMPILER_IS_GNUCC)
-        set (CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fuse-linker-plugin")
-        set (CMAKE_AR        "gcc-ar")
-        set (CMAKE_NM        "gcc-nm")
-        set (CMAKE_RANLIB    "gcc-ranlib")
-    endif ()
-endif ()
 
 if (MSGPACK_INCLUDE_DIRS)
     include_directories (SYSTEM "${MSGPACK_INCLUDE_DIRS}")
@@ -133,17 +167,18 @@ endif ()
 if (Nettle_INCLUDE_DIRS)
     include_directories (SYSTEM "${Nettle_INCLUDE_DIRS}")
 endif ()
+if (ASIO_INCLUDE_DIR)
+    include_directories (SYSTEM "${ASIO_INCLUDE_DIR}")
+endif ()
 if (Restinio_INCLUDE_DIR)
     include_directories (SYSTEM "${Restinio_INCLUDE_DIR}")
 endif ()
 if (Jsoncpp_INCLUDE_DIRS)
     include_directories (SYSTEM "${Jsoncpp_INCLUDE_DIRS}")
 endif ()
-if (OpenSSL_INCLUDE_DIR)
-    include_directories (SYSTEM "${OpenSSL_INCLUDE_DIR}")
-endif ()
 link_directories (${Nettle_LIBRARY_DIRS})
 link_directories (${Jsoncpp_LIBRARY_DIRS})
+link_directories (${argon2_LIBRARY_DIRS})
 include_directories (
     ./
     include/
@@ -263,46 +298,80 @@ if (OPENDHT_HTTP)
   list (APPEND opendht_HEADERS
     include/opendht/proxy.h
     include/opendht/http.h
+    src/compat/os_cert.h
   )
   list (APPEND opendht_SOURCES
     src/http.cpp
+    src/compat/os_cert.cpp
   )
 endif ()
 
-if(OPENDHT_ARGON2)
-    # make sure argon2 submodule is up to date and initialized
-    message("Initializing Argon2 submodule")
-    execute_process(COMMAND git submodule update --init)
-
-    # add local argon2 files to build
-    list (APPEND opendht_SOURCES
-        argon2/src/argon2.c
-        argon2/src/core.c
-        argon2/src/blake2/blake2b.c
-        argon2/src/thread.c
-        argon2/src/ref.c
-        argon2/src/encoding.c
-    )
-    include_directories(argon2/include/)
-endif()
+if (MSVC)
+    list (APPEND opendht_HEADERS src/compat/msvc/unistd.h)
+endif ()
 
 # Targets
 if (OPENDHT_STATIC)
-    add_library (opendht-static STATIC
-        ${opendht_SOURCES}
-        ${opendht_HEADERS}
-    )
-    set_target_properties (opendht-static PROPERTIES OUTPUT_NAME "opendht")
-    if (OPENDHT_ARGON2)
-        target_include_directories(opendht-static SYSTEM PRIVATE argon2)
-    else ()
+    if (NOT MSVC)
+        add_library (opendht-static STATIC
+            ${opendht_SOURCES}
+            ${opendht_HEADERS}
+        )
+        set_target_properties (opendht-static PROPERTIES OUTPUT_NAME "opendht")
         target_include_directories(opendht-static SYSTEM PRIVATE ${argon2_INCLUDE_DIRS})
-    endif ()
-    target_link_libraries(opendht-static
-        PRIVATE  ${argon2_LIBRARIES}
-        PUBLIC ${CMAKE_THREAD_LIBS_INIT} ${GNUTLS_LIBRARIES} ${Nettle_LIBRARIES}
-               ${Jsoncpp_LIBRARIES} ${FMT_LIBRARY} ${HTTP_PARSER_LIBRARY}
-               ${OPENSSL_LIBRARIES})
+        target_link_libraries(opendht-static
+            PRIVATE  ${argon2_LIBRARIES}
+            PUBLIC ${CMAKE_THREAD_LIBS_INIT} ${GNUTLS_LIBRARIES} ${Nettle_STATIC_LIBRARIES}
+                   ${Jsoncpp_STATIC_LIBRARIES} ${FMT_LIBRARY} ${HTTP_PARSER_LIBRARY}
+                   ${OPENSSL_STATIC_LIBRARIES})
+    else ()
+        if (OPENDHT_TOOLS)
+            function (add_obj_lib name libfile)
+                add_library(${name} OBJECT IMPORTED)
+                set_property(TARGET ${name} PROPERTY IMPORTED_OBJECTS ${libfile})
+            endfunction ()
+            add_obj_lib (win32_json ${WIN32_DEP_DIR}/../msvc/lib/x64/lib_json.lib)
+            add_obj_lib (win32_gnutls ${WIN32_DEP_DIR}/../msvc/lib/x64/libgnutls.lib)
+            add_obj_lib (win32_argon2 ${WIN32_DEP_DIR}/argon2/vs2015/Argon2Ref/vs2015/build/Argon2Ref.lib)
+            list (APPEND obj_libs
+                $<TARGET_OBJECTS:win32_json>
+                $<TARGET_OBJECTS:win32_gnutls>
+                $<TARGET_OBJECTS:win32_argon2>
+            )
+            if (OPENDHT_HTTP)
+                add_obj_lib (win32_fmt ${WIN32_DEP_DIR}/fmt/msvc/Release/fmt.lib)
+                add_obj_lib (win32_http_parser ${WIN32_DEP_DIR}/http_parser/x64/Release/http-parser.lib)
+                add_obj_lib (win32_ssl ${WIN32_DEP_DIR}/openssl/libssl_static.lib)
+                add_obj_lib (win32_crypto ${WIN32_DEP_DIR}/openssl/libcrypto_static.lib)
+                list (APPEND obj_libs
+                    $<TARGET_OBJECTS:win32_fmt>
+                    $<TARGET_OBJECTS:win32_http_parser>
+                    $<TARGET_OBJECTS:win32_ssl>
+                    $<TARGET_OBJECTS:win32_crypto>
+                )
+            endif ()
+        else ()
+            list (APPEND win32_Libs
+                ${PROJECT_SOURCE_DIR}/../../msvc/lib/x64/libgnutls.lib
+                ${PROJECT_SOURCE_DIR}/../../msvc/lib/x64/lib_json.lib
+                ${PROJECT_SOURCE_DIR}/../argon2/vs2015/Argon2Ref/vs2015/build/Argon2Ref.lib
+            )
+            list (APPEND win32_Libs
+                ${PROJECT_SOURCE_DIR}/../fmt/msvc/Release/fmt.lib
+                ${PROJECT_SOURCE_DIR}/../http_parser/x64/Release/http-parser.lib
+                ${PROJECT_SOURCE_DIR}/../openssl/libssl.lib
+                ${PROJECT_SOURCE_DIR}/../openssl/libcrypto.lib
+            )
+        endif ()
+        add_library (opendht-static STATIC
+            ${opendht_SOURCES}
+            ${opendht_HEADERS}
+            ${obj_libs}
+        )
+        target_link_libraries(opendht-static PUBLIC ${Win32_STATIC_LIBRARIES} ${Win32_IMPORT_LIBRARIES})
+        set(CMAKE_STATIC_LINKER_FLAGS "${CMAKE_STATIC_LINKER_FLAGS} /ignore:4006")
+        set_target_properties (opendht-static PROPERTIES OUTPUT_NAME "libopendht")
+    endif()
     install (TARGETS opendht-static DESTINATION ${CMAKE_INSTALL_LIBDIR} EXPORT opendht)
 endif ()
 
@@ -314,17 +383,21 @@ if (OPENDHT_SHARED)
     set_target_properties (opendht PROPERTIES IMPORT_SUFFIX "_import.lib")
     set_target_properties (opendht PROPERTIES SOVERSION ${opendht_VERSION_MAJOR} VERSION ${opendht_VERSION})
     target_compile_definitions(opendht PRIVATE OPENDHT_BUILD)
-    if (OPENDHT_ARGON2)
-        target_include_directories(opendht SYSTEM PRIVATE argon2)
+    target_include_directories(opendht SYSTEM PRIVATE ${argon2_INCLUDE_DIRS})
+    if (APPLE)
+        target_link_libraries(opendht
+            PUBLIC ${CMAKE_THREAD_LIBS_INIT} ${OPENSSL_LIBRARIES}
+            PRIVATE ${GNUTLS_LIBRARIES} ${Nettle_LIBRARIES}
+                    ${Jsoncpp_LIBRARIES}
+                    ${FMT_LIBRARY} ${HTTP_PARSER_LIBRARY} ${argon2_LIBRARIES}
+            SYSTEM "-framework CoreFoundation" "-framework Security")
     else ()
-        target_link_libraries(opendht PRIVATE ${argon2_LIBRARIES})
-        target_include_directories(opendht SYSTEM PRIVATE ${argon2_INCLUDE_DIRS})
+        target_link_libraries(opendht
+            PUBLIC ${CMAKE_THREAD_LIBS_INIT} ${OPENSSL_LIBRARIES}
+            PRIVATE ${GNUTLS_LIBRARIES} ${Nettle_LIBRARIES}
+                    ${Jsoncpp_LIBRARIES}
+                    ${FMT_LIBRARY} ${HTTP_PARSER_LIBRARY} ${argon2_LIBRARIES})
     endif ()
-    target_link_libraries(opendht
-        PUBLIC ${CMAKE_THREAD_LIBS_INIT} ${OPENSSL_LIBRARIES}
-        PRIVATE ${GNUTLS_LIBRARIES} ${Nettle_LIBRARIES}
-                ${Jsoncpp_LIBRARIES}
-                ${FMT_LIBRARY} ${HTTP_PARSER_LIBRARY})
 
     install (TARGETS opendht DESTINATION ${CMAKE_INSTALL_LIBDIR} EXPORT opendht)
 endif ()
@@ -349,6 +422,7 @@ if (OPENDHT_C)
     )
     install (TARGETS opendht-c DESTINATION ${CMAKE_INSTALL_LIBDIR} EXPORT opendht-c)
     install (FILES ${CMAKE_CURRENT_BINARY_DIR}/opendht-c.pc DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
+    install (FILES c/opendht_c.h DESTINATION ${CMAKE_INSTALL_PREFIX}/include/opendht)
 endif ()
 
 if (OPENDHT_TOOLS)
@@ -380,7 +454,7 @@ install (FILES ${CMAKE_CURRENT_BINARY_DIR}/opendhtConfigVersion.cmake DESTINATIO
 
 # Unit tests
 if (OPENDHT_TESTS)
-    FIND_PACKAGE(Cppunit REQUIRED)
+    pkg_search_module(Cppunit REQUIRED cppunit)
     # unit testing
     list (APPEND test_FILES
         tests/infohashtester.h
@@ -394,25 +468,28 @@ if (OPENDHT_TESTS)
         tests/threadpooltester.h
         tests/threadpooltester.cpp
     )
-    if (OPENDHT_PROXY_SERVER AND OPENDHT_PROXY_CLIENT)
-        list (APPEND test_FILES
-            tests/httptester.h
-            tests/httptester.cpp
-            tests/dhtproxytester.h
-            tests/dhtproxytester.cpp
-        )
-    endif()
-    if (OPENDHT_PEER_DISCOVERY)
-        list (APPEND test_FILES
-            tests/peerdiscoverytester.h
-            tests/peerdiscoverytester.cpp
-        )
+    if (OPENDHT_TESTS_NETWORK)
+        if (OPENDHT_PROXY_SERVER AND OPENDHT_PROXY_CLIENT)
+            list (APPEND test_FILES
+                tests/httptester.h
+                tests/httptester.cpp
+                tests/dhtproxytester.h
+                tests/dhtproxytester.cpp
+            )
+        endif()
+        if (OPENDHT_PEER_DISCOVERY)
+            list (APPEND test_FILES
+                tests/peerdiscoverytester.h
+                tests/peerdiscoverytester.cpp
+            )
+        endif()
     endif()
     add_executable(opendht_unit_tests
         tests/tests_runner.cpp
         ${test_FILES}
     )
-    target_include_directories(opendht_unit_tests SYSTEM PRIVATE ${CPPUNIT_INCLUDE_DIRS})
+    target_include_directories(opendht_unit_tests SYSTEM PRIVATE ${Cppunit_INCLUDE_DIR})
+    target_link_directories(opendht_unit_tests PRIVATE ${Cppunit_LIBRARY_DIRS})
     if (OPENDHT_SHARED)
         target_link_libraries(opendht_unit_tests opendht)
     else ()
@@ -420,7 +497,7 @@ if (OPENDHT_TESTS)
     endif ()
     target_link_libraries(opendht_unit_tests
        ${CMAKE_THREAD_LIBS_INIT}
-       ${CPPUNIT_LIBRARIES}
+       ${Cppunit_LIBRARIES}
        ${GNUTLS_LIBRARIES}
        ${Jsoncpp_LIBRARIES}
     )

MSVC/.gitignore

@@ -1,248 +0,0 @@
-## Ignore Visual Studio temporary files, build results, and
-## files generated by popular Visual Studio add-ons.
-
-#output directories
-DebugLib/
-Debug/
-ReleaseLib/
-Release/
-.config/
-# User-specific files
-*.suo
-*.user
-*.userosscache
-*.sln.docstates
-*.VC.VC.opendb
-*.VC.db
-*.db
-
-# User-specific files (MonoDevelop/Xamarin Studio)
-*.userprefs
-
-# Build results
-[Dd]ebug/
-[Dd]ebugPublic/
-[Rr]elease/
-[Rr]eleases/
-x64/
-x86/
-bld/
-[Bb]in/
-[Oo]bj/
-
-# Visual Studio 2015 cache/options directory
-.vs/
-# Uncomment if you have tasks that create the project's static files in wwwroot
-#wwwroot/
-
-# MSTest test Results
-[Tt]est[Rr]esult*/
-[Bb]uild[Ll]og.*
-
-# NUNIT
-*.VisualState.xml
-TestResult.xml
-
-# Build Results of an ATL Project
-[Dd]ebugPS/
-[Rr]eleasePS/
-dlldata.c
-
-# DNX
-project.lock.json
-artifacts/
-
-*_i.c
-*_p.c
-*_i.h
-*.ilk
-*.meta
-*.obj
-*.pch
-*.pdb
-*.pgc
-*.pgd
-*.rsp
-*.sbr
-*.tlb
-*.tli
-*.tlh
-*.tmp
-*.tmp_proj
-*.log
-*.vspscc
-*.vssscc
-.builds
-*.pidb
-*.svclog
-*.scc
-
-# Chutzpah Test files
-_Chutzpah*
-
-# Visual C++ cache files
-ipch/
-*.aps
-*.ncb
-*.opendb
-*.opensdf
-*.sdf
-*.cachefile
-
-# Visual Studio profiler
-*.psess
-*.vsp
-*.vspx
-*.sap
-
-# TFS 2012 Local Workspace
-$tf/
-
-# Guidance Automation Toolkit
-*.gpState
-
-# ReSharper is a .NET coding add-in
-_ReSharper*/
-*.[Rr]e[Ss]harper
-*.DotSettings.user
-
-# JustCode is a .NET coding add-in
-.JustCode
-
-# TeamCity is a build add-in
-_TeamCity*
-
-# DotCover is a Code Coverage Tool
-*.dotCover
-
-# NCrunch
-_NCrunch_*
-.*crunch*.local.xml
-nCrunchTemp_*
-
-# MightyMoose
-*.mm.*
-AutoTest.Net/
-
-# Web workbench (sass)
-.sass-cache/
-
-# Installshield output folder
-[Ee]xpress/
-
-# DocProject is a documentation generator add-in
-DocProject/buildhelp/
-DocProject/Help/*.HxT
-DocProject/Help/*.HxC
-DocProject/Help/*.hhc
-DocProject/Help/*.hhk
-DocProject/Help/*.hhp
-DocProject/Help/Html2
-DocProject/Help/html
-
-# Click-Once directory
-publish/
-
-# Publish Web Output
-*.[Pp]ublish.xml
-*.azurePubxml
-# TODO: Comment the next line if you want to checkin your web deploy settings 
-# but database connection strings (with potential passwords) will be unencrypted
-*.pubxml
-*.publishproj
-
-# NuGet Packages
-*.nupkg
-# The packages folder can be ignored because of Package Restore
-**/packages/*
-# except build/, which is used as an MSBuild target.
-!**/packages/build/
-# Uncomment if necessary however generally it will be regenerated when needed
-#!**/packages/repositories.config
-# NuGet v3's project.json files produces more ignoreable files
-*.nuget.props
-*.nuget.targets
-
-# Microsoft Azure Build Output
-csx/
-*.build.csdef
-
-# Microsoft Azure Emulator
-ecf/
-rcf/
-
-# Microsoft Azure ApplicationInsights config file
-ApplicationInsights.config
-
-# Windows Store app package directory
-AppPackages/
-BundleArtifacts/
-
-# Visual Studio cache files
-# files ending in .cache can be ignored
-*.[Cc]ache
-# but keep track of directories ending in .cache
-!*.[Cc]ache/
-
-# Others
-ClientBin/
-~$*
-*~
-*.dbmdl
-*.dbproj.schemaview
-*.pfx
-*.publishsettings
-node_modules/
-orleans.codegen.cs
-
-# RIA/Silverlight projects
-Generated_Code/
-
-# Backup & report files from converting an old project file
-# to a newer Visual Studio version. Backup files are not needed,
-# because we have git ;-)
-_UpgradeReport_Files/
-Backup*/
-UpgradeLog*.XML
-UpgradeLog*.htm
-
-# SQL Server files
-*.mdf
-*.ldf
-
-# Business Intelligence projects
-*.rdl.data
-*.bim.layout
-*.bim_*.settings
-
-# Microsoft Fakes
-FakesAssemblies/
-
-# GhostDoc plugin setting file
-*.GhostDoc.xml
-
-# Node.js Tools for Visual Studio
-.ntvs_analysis.dat
-
-# Visual Studio 6 build log
-*.plg
-
-# Visual Studio 6 workspace options file
-*.opt
-
-# Visual Studio LightSwitch build output
-**/*.HTMLClient/GeneratedArtifacts
-**/*.DesktopClient/GeneratedArtifacts
-**/*.DesktopClient/ModelManifest.xml
-**/*.Server/GeneratedArtifacts
-**/*.Server/ModelManifest.xml
-_Pvt_Extensions
-
-# Paket dependency manager
-.paket/paket.exe
-
-# FAKE - F# Make
-.fake/
-
-!config.h
-contrib/build/

MSVC/dhtchat.vcxproj

@@ -1,168 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project DefaultTargets="Build" ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <ItemGroup Label="ProjectConfigurations">
-    <ProjectConfiguration Include="Debug|Win32">
-      <Configuration>Debug</Configuration>
-      <Platform>Win32</Platform>
-    </ProjectConfiguration>
-    <ProjectConfiguration Include="Release|Win32">
-      <Configuration>Release</Configuration>
-      <Platform>Win32</Platform>
-    </ProjectConfiguration>
-    <ProjectConfiguration Include="Debug|x64">
-      <Configuration>Debug</Configuration>
-      <Platform>x64</Platform>
-    </ProjectConfiguration>
-    <ProjectConfiguration Include="Release|x64">
-      <Configuration>Release</Configuration>
-      <Platform>x64</Platform>
-    </ProjectConfiguration>
-  </ItemGroup>
-  <PropertyGroup Label="Globals">
-    <ProjectGuid>{8BE7F14D-B227-4D54-9105-7E5473F2D0BA}</ProjectGuid>
-    <RootNamespace>dhtchat</RootNamespace>
-    <WindowsTargetPlatformVersion>$(LatestTargetPlatformVersion)</WindowsTargetPlatformVersion>
-  </PropertyGroup>
-  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
-    <ConfigurationType>Application</ConfigurationType>
-    <UseDebugLibraries>true</UseDebugLibraries>
-    <PlatformToolset>$(DefaultPlatformToolset)</PlatformToolset>
-    <CharacterSet>MultiByte</CharacterSet>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
-    <ConfigurationType>Application</ConfigurationType>
-    <UseDebugLibraries>false</UseDebugLibraries>
-    <PlatformToolset>$(DefaultPlatformToolset)</PlatformToolset>
-    <WholeProgramOptimization>true</WholeProgramOptimization>
-    <CharacterSet>MultiByte</CharacterSet>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
-    <ConfigurationType>Application</ConfigurationType>
-    <UseDebugLibraries>true</UseDebugLibraries>
-    <PlatformToolset>$(DefaultPlatformToolset)</PlatformToolset>
-    <CharacterSet>MultiByte</CharacterSet>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
-    <ConfigurationType>Application</ConfigurationType>
-    <UseDebugLibraries>false</UseDebugLibraries>
-    <PlatformToolset>$(DefaultPlatformToolset)</PlatformToolset>
-    <WholeProgramOptimization>true</WholeProgramOptimization>
-    <CharacterSet>MultiByte</CharacterSet>
-  </PropertyGroup>
-  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
-  <ImportGroup Label="ExtensionSettings">
-  </ImportGroup>
-  <ImportGroup Label="Shared">
-  </ImportGroup>
-  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
-    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
-  </ImportGroup>
-  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
-    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
-  </ImportGroup>
-  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
-    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
-  </ImportGroup>
-  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
-    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
-  </ImportGroup>
-  <PropertyGroup Label="UserMacros" />
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
-    <IntDir>$(ProjectName)\$(Platform)\$(Configuration)\</IntDir>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
-    <IntDir>$(ProjectName)\$(Platform)\$(Configuration)\</IntDir>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
-    <IntDir>$(ProjectName)\$(Platform)\$(Configuration)\</IntDir>
-  </PropertyGroup>
-  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
-    <IntDir>$(ProjectName)\$(Platform)\$(Configuration)\</IntDir>
-    <OutDir>$(ProjectDir)..\..\bin\x64</OutDir>
-  </PropertyGroup>
-  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
-    <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
-      <Optimization>Disabled</Optimization>
-      <SDLCheck>true</SDLCheck>
-      <AdditionalIncludeDirectories>$(ProjectDir)..\include;$(ProjectDir)..\include\opendht;$(ProjectDir)..\..\..\msvc\include;$(ProjectDir)..\..\include;$(ProjectDir)..\..\argon2\include;$(ProjectDir)..\..\msgpack-c\include;$(ProjectDir)..\..\jsoncpp\include;$(ProjectDir)..\..\restbed\source;$(ProjectDir)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>OPENDHT_JSONCPP;OPENDHT_PROXY_CLIENT;OPENDHT_PROXY_SERVER;OPENDHT_PUSH_NOTIFICATIONS;_WINSOCK_DEPRECATED_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;WIN32_NATIVE;WIN32_LEAN_AND_MEAN;_MBCS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-      <DisableSpecificWarnings>4804;4267;4244;4800;4273;</DisableSpecificWarnings>
-      <ProgramDataBaseFileName>$(IntDir)vc$(PlatformToolsetVersion).pdb</ProgramDataBaseFileName>
-    </ClCompile>
-    <Link>
-      <AdditionalDependencies>restbed.lib;libeay32.lib;ssleay32.lib;crypt32.lib;Argon2Ref.lib;lib_json.lib;libgnutls.lib;libopendht.lib;kernel32.lib;user32.lib;gdi32.lib;winspool.lib;comdlg32.lib;advapi32.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;odbc32.lib;odbccp32.lib;%(AdditionalDependencies)</AdditionalDependencies>
-      <AdditionalLibraryDirectories>$(ProjectDir)..\..\..\msvc\lib\$(PlatformTarget);$(ProjectDir)..\..\restbed\build\Release;$(ProjectDir)..\..\restbed\dependency\openssl\out32dll;$(ProjectDir)..\..\argon2\vs2015\Argon2Ref\vs2015\build</AdditionalLibraryDirectories>
-      <AdditionalOptions>/ignore:4049 %(AdditionalOptions)</AdditionalOptions>
-    </Link>
-  </ItemDefinitionGroup>
-  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
-    <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
-      <Optimization>Disabled</Optimization>
-      <SDLCheck>true</SDLCheck>
-      <AdditionalIncludeDirectories>$(ProjectDir)..\include;$(ProjectDir)..\include\opendht;$(ProjectDir)..\..\..\msvc\include;$(ProjectDir)..\..\include;$(ProjectDir)..\..\argon2\include;$(ProjectDir)..\..\msgpack-c\include;$(ProjectDir)..\..\jsoncpp\include;$(ProjectDir)..\..\restbed\source;$(ProjectDir)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>OPENDHT_JSONCPP;OPENDHT_PROXY_CLIENT;OPENDHT_PROXY_SERVER;OPENDHT_PUSH_NOTIFICATIONS;_WINSOCK_DEPRECATED_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;WIN32_NATIVE;WIN32_LEAN_AND_MEAN;_MBCS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-      <DisableSpecificWarnings>4804;4267;4244;4800;4273;</DisableSpecificWarnings>
-      <ProgramDataBaseFileName>$(IntDir)vc$(PlatformToolsetVersion).pdb</ProgramDataBaseFileName>
-    </ClCompile>
-    <Link>
-      <AdditionalDependencies>restbed.lib;libeay32.lib;ssleay32.lib;crypt32.lib;Argon2Ref.lib;lib_json.lib;libgnutls.lib;libopendht.lib;kernel32.lib;user32.lib;gdi32.lib;winspool.lib;comdlg32.lib;advapi32.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;odbc32.lib;odbccp32.lib;%(AdditionalDependencies)</AdditionalDependencies>
-      <AdditionalLibraryDirectories>$(ProjectDir)..\..\..\msvc\lib\$(PlatformTarget);$(ProjectDir)..\..\restbed\build\Release;$(ProjectDir)..\..\restbed\dependency\openssl\out32dll;$(ProjectDir)..\..\argon2\vs2015\Argon2Ref\vs2015\build</AdditionalLibraryDirectories>
-      <AdditionalOptions>/ignore:4049 %(AdditionalOptions)</AdditionalOptions>
-    </Link>
-  </ItemDefinitionGroup>
-  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
-    <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
-      <Optimization>MaxSpeed</Optimization>
-      <FunctionLevelLinking>true</FunctionLevelLinking>
-      <IntrinsicFunctions>true</IntrinsicFunctions>
-      <SDLCheck>true</SDLCheck>
-      <AdditionalIncludeDirectories>$(ProjectDir)..\include;$(ProjectDir)..\include\opendht;$(ProjectDir)..\..\..\msvc\include;$(ProjectDir)..\..\include;$(ProjectDir)..\..\argon2\include;$(ProjectDir)..\..\msgpack-c\include;$(ProjectDir)..\..\jsoncpp\include;$(ProjectDir)..\..\restbed\source;$(ProjectDir)</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>OPENDHT_JSONCPP;OPENDHT_PROXY_CLIENT;OPENDHT_PROXY_SERVER;OPENDHT_PUSH_NOTIFICATIONS;_WINSOCK_DEPRECATED_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;WIN32_NATIVE;WIN32_LEAN_AND_MEAN;_MBCS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-      <DisableSpecificWarnings>4804;4267;4244;4800;4273;</DisableSpecificWarnings>
-      <ProgramDataBaseFileName>$(IntDir)vc$(PlatformToolsetVersion).pdb</ProgramDataBaseFileName>
-    </ClCompile>
-    <Link>
-      <EnableCOMDATFolding>true</EnableCOMDATFolding>
-      <OptimizeReferences>true</OptimizeReferences>
-      <AdditionalDependencies>restbed.lib;libeay32.lib;ssleay32.lib;crypt32.lib;Argon2Ref.lib;lib_json.lib;libgnutls.lib;libopendht.lib;kernel32.lib;user32.lib;gdi32.lib;winspool.lib;comdlg32.lib;advapi32.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;odbc32.lib;odbccp32.lib;%(AdditionalDependencies)</AdditionalDependencies>
-      <AdditionalLibraryDirectories>$(ProjectDir)..\..\..\msvc\lib\$(PlatformTarget);$(ProjectDir)..\..\restbed\build\Release;$(ProjectDir)..\..\restbed\dependency\openssl\out32dll;$(ProjectDir)..\..\argon2\vs2015\Argon2Ref\vs2015\build</AdditionalLibraryDirectories>
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-      <PreprocessorDefinitions>OPENDHT_JSONCPP;OPENDHT_PROXY_CLIENT;OPENDHT_PROXY_SERVER;OPENDHT_PUSH_NOTIFICATIONS;_WINSOCK_DEPRECATED_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;WIN32_NATIVE;WIN32_LEAN_AND_MEAN;ASIO_STANDALONE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-      <DisableSpecificWarnings>4804;4800;4101;4267;4244;4503;4273;</DisableSpecificWarnings>
-      <AdditionalOptions>-D_SCL_SECURE_NO_WARNING;%(AdditionalOptions)</AdditionalOptions>
-      <ProgramDataBaseFileName>$(OutDir)lib\$(PlatformTarget)\$(TargetName).pdb</ProgramDataBaseFileName>
-    </ClCompile>
-    <Link>
-      <EnableCOMDATFolding>true</EnableCOMDATFolding>
-      <OptimizeReferences>true</OptimizeReferences>
-    </Link>
-    <PostBuildEvent>
-      <Command>mkdir $(OutDir)\include
-mkdir $(OutDir)\include\opendht
-mkdir $(OutDir)\include\opendht\indexation
-copy ..\include\opendht\indexation\*.h $(OutDir)\include\opendht\indexation
-copy ..\include\opendht\*.h $(OutDir)\include\opendht
-copy ..\include\opendht.h $(OutDir)\include\</Command>
-    </PostBuildEvent>
-    <Lib>
-      <OutputFile>$(OutDir)lib\$(PlatformTarget)\$(TargetName)$(TargetExt)</OutputFile>
-      <LinkTimeCodeGeneration>false</LinkTimeCodeGeneration>
-    </Lib>
-  </ItemDefinitionGroup>
-  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
-    <ClCompile>
-      <WarningLevel>Level3</WarningLevel>
-      <Optimization>Full</Optimization>
-      <FunctionLevelLinking>true</FunctionLevelLinking>
-      <IntrinsicFunctions>true</IntrinsicFunctions>
-      <SDLCheck>true</SDLCheck>
-      <AdditionalIncludeDirectories>$(ProjectDir)..\include;$(ProjectDir)..\include\opendht;$(ProjectDir)..\..\..\msvc\include;$(ProjectDir)..\..\include;$(ProjectDir)..\..\argon2\include;$(ProjectDir)..\..\msgpack-c\include;$(ProjectDir)..\..\jsoncpp\include;$(ProjectDir)..\..\openssl\inc32;$(ProjectDir)..\..\asio\asio\include;$(ProjectDir)..\..\restinio\dev;$(ProjectDir)..\..\fmt\include;$(ProjectDir)..\..\http_parser</AdditionalIncludeDirectories>
-      <PreprocessorDefinitions>OPENDHT_JSONCPP;OPENDHT_PROXY_CLIENT;OPENDHT_PROXY_SERVER;OPENDHT_PUSH_NOTIFICATIONS;_WINSOCK_DEPRECATED_NO_WARNINGS;_CRT_SECURE_NO_WARNINGS;WIN32_NATIVE;WIN32_LEAN_AND_MEAN;ASIO_STANDALONE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
-      <DisableSpecificWarnings>4804;4800;4101;4267;4244;4503;4273;</DisableSpecificWarnings>
-      <AdditionalOptions>-D_SCL_SECURE_NO_WARNING;%(AdditionalOptions)</AdditionalOptions>
-      <ProgramDataBaseFileName>$(OutDir)lib\$(PlatformTarget)\$(TargetName).pdb</ProgramDataBaseFileName>
-      <MultiProcessorCompilation>true</MultiProcessorCompilation>
-    </ClCompile>
-    <Link>
-      <EnableCOMDATFolding>true</EnableCOMDATFolding>
-      <OptimizeReferences>true</OptimizeReferences>
-    </Link>
-    <PostBuildEvent>
-      <Command>mkdir $(OutDir)\include
-mkdir $(OutDir)\include\opendht
-mkdir $(OutDir)\include\opendht\indexation
-copy ..\include\opendht\indexation\*.h $(OutDir)\include\opendht\indexation
-copy ..\include\opendht\*.h $(OutDir)\include\opendht
-copy ..\include\opendht.h $(OutDir)\include\</Command>
-    </PostBuildEvent>
-    <Lib>
-      <OutputFile>$(OutDir)lib\$(PlatformTarget)\$(TargetName)$(TargetExt)</OutputFile>
-      <LinkTimeCodeGeneration>false</LinkTimeCodeGeneration>
-      <AdditionalLibraryDirectories>
-      </AdditionalLibraryDirectories>
-    </Lib>
-  </ItemDefinitionGroup>
-  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
-  <ImportGroup Label="ExtensionTargets">
-  </ImportGroup>
-</Project>

MSVC/opendht.vcxproj.filters

@@ -1,198 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="14.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <ItemGroup>
-    <ClCompile Include="..\src\callbacks.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="..\src\crypto.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="..\src\default_types.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="..\src\dht.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="..\src\dhtrunner.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="..\src\infohash.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="..\src\log.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="..\src\network_engine.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="..\src\node.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="..\src\node_cache.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="..\src\routing_table.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="..\src\securedht.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="..\src\utils.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="..\src\value.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="..\src\base64.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="..\src\dht_proxy_server.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="..\src\indexation\pht.cpp">
-      <Filter>Source Files\indexation</Filter>
-    </ClCompile>
-    <ClCompile Include="wingetopt.c" />
-    <ClCompile Include="..\src\rng.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="..\src\op_cache.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="..\src\dht_proxy_client.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="..\src\peer_discovery.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="..\src\network_utils.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="..\src\thread_pool.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-    <ClCompile Include="..\src\http.cpp">
-      <Filter>Source Files</Filter>
-    </ClCompile>
-  </ItemGroup>
-  <ItemGroup>
-    <ClInclude Include="..\include\opendht.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
-    <ClInclude Include="..\include\opendht\callbacks.h">
-      <Filter>Header Files\opendht</Filter>
-    </ClInclude>
-    <ClInclude Include="..\include\opendht\crypto.h">
-      <Filter>Header Files\opendht</Filter>
-    </ClInclude>
-    <ClInclude Include="..\include\opendht\default_types.h">
-      <Filter>Header Files\opendht</Filter>
-    </ClInclude>
-    <ClInclude Include="..\include\opendht\dht.h">
-      <Filter>Header Files\opendht</Filter>
-    </ClInclude>
-    <ClInclude Include="..\include\opendht\dht_proxy_server.h">
-      <Filter>Header Files\opendht</Filter>
-    </ClInclude>
-    <ClInclude Include="..\include\opendht\dhtrunner.h">
-      <Filter>Header Files\opendht</Filter>
-    </ClInclude>
-    <ClInclude Include="..\include\opendht\infohash.h">
-      <Filter>Header Files\opendht</Filter>
-    </ClInclude>
-    <ClInclude Include="..\include\opendht\log.h">
-      <Filter>Header Files\opendht</Filter>
-    </ClInclude>
-    <ClInclude Include="..\include\opendht\log_enable.h">
-      <Filter>Header Files\opendht</Filter>
-    </ClInclude>
-    <ClInclude Include="..\include\opendht\network_engine.h">
-      <Filter>Header Files\opendht</Filter>
-    </ClInclude>
-    <ClInclude Include="..\include\opendht\node.h">
-      <Filter>Header Files\opendht</Filter>
-    </ClInclude>
-    <ClInclude Include="..\include\opendht\node_cache.h">
-      <Filter>Header Files\opendht</Filter>
-    </ClInclude>
-    <ClInclude Include="..\include\opendht\rate_limiter.h">
-      <Filter>Header Files\opendht</Filter>
-    </ClInclude>
-    <ClInclude Include="..\include\opendht\rng.h">
-      <Filter>Header Files\opendht</Filter>
-    </ClInclude>
-    <ClInclude Include="..\include\opendht\routing_table.h">
-      <Filter>Header Files\opendht</Filter>
-    </ClInclude>
-    <ClInclude Include="..\include\opendht\scheduler.h">
-      <Filter>Header Files\opendht</Filter>
-    </ClInclude>
-    <ClInclude Include="..\include\opendht\securedht.h">
-      <Filter>Header Files\opendht</Filter>
-    </ClInclude>
-    <ClInclude Include="..\include\opendht\utils.h">
-      <Filter>Header Files\opendht</Filter>
-    </ClInclude>
-    <ClInclude Include="..\include\opendht\value.h">
-      <Filter>Header Files\opendht</Filter>
-    </ClInclude>
-    <ClInclude Include="..\include\opendht\indexation\pht.h">
-      <Filter>Header Files\opendht\indexation</Filter>
-    </ClInclude>
-    <ClInclude Include="unistd.h" />
-    <ClInclude Include="wingetopt.h" />
-    <ClInclude Include="..\include\opendht\def.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
-    <ClInclude Include="..\src\net.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
-    <ClInclude Include="..\src\parsed_message.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
-    <ClInclude Include="..\include\opendht\sockaddr.h">
-      <Filter>Header Files</Filter>
-    </ClInclude>
-    <ClInclude Include="..\src\network_utils.h">
-      <Filter>Header Files\opendht</Filter>
-    </ClInclude>
-    <ClInclude Include="..\src\thread_pool.h">
-      <Filter>Header Files\opendht</Filter>
-    </ClInclude>
-    <ClInclude Include="..\src\listener.h">
-      <Filter>Source Files</Filter>
-    </ClInclude>
-    <ClInclude Include="..\src\base64.h">
-      <Filter>Source Files</Filter>
-    </ClInclude>
-    <ClInclude Include="..\src\search.h">
-      <Filter>Source Files</Filter>
-    </ClInclude>
-    <ClInclude Include="..\src\request.h">
-      <Filter>Source Files</Filter>
-    </ClInclude>
-    <ClInclude Include="..\src\storage.h">
-      <Filter>Source Files</Filter>
-    </ClInclude>
-    <ClInclude Include="..\include\opendht\http.h">
-      <Filter>Header Files\opendht</Filter>
-    </ClInclude>
-  </ItemGroup>
-  <ItemGroup>
-    <Filter Include="Source Files">
-      <UniqueIdentifier>{be73d179-6cf2-4c05-8d91-53c8499a7134}</UniqueIdentifier>
-    </Filter>
-    <Filter Include="Header Files">
-      <UniqueIdentifier>{d1ab5bfe-3ab1-45ee-9324-b4b071887668}</UniqueIdentifier>
-    </Filter>
-    <Filter Include="Source Files\indexation">
-      <UniqueIdentifier>{939134d3-d5a2-4458-bca8-a10ea9042ea2}</UniqueIdentifier>
-    </Filter>
-    <Filter Include="Header Files\opendht">
-      <UniqueIdentifier>{0b46e2d0-4874-404c-bae3-fae8d49b85b8}</UniqueIdentifier>
-    </Filter>
-    <Filter Include="Header Files\opendht\indexation">
-      <UniqueIdentifier>{03bd5139-2ae5-41b0-a77b-944814e1b2b6}</UniqueIdentifier>
-    </Filter>
-  </ItemGroup>
-</Project>

README.md

@@ -4,7 +4,7 @@
     <a id="user-content-opendht-" class="anchor" href="/savoirfairelinux/opendht/blob/master/README.md#opendht-" aria-hidden="true"></a>OpenDHT
 </h1>
 
-A lightweight C++14 Distributed Hash Table implementation.
+A lightweight C++17 Distributed Hash Table implementation.
 
 OpenDHT provides an easy to use distributed in-memory data store.
 Every node in the network can read and write values to the store.
@@ -14,7 +14,7 @@ Values are distributed over the network, with redundancy.
  * High resilience to network disruption
  * Public key cryptography layer providing optional data signature and encryption (using GnuTLS)
  * IPv4 and IPv6 support
- * Clean and powerful **C++14** map API
+ * Clean and powerful **C++17** map API
  * Bindings for **C, Rust & Python 3**
  * REST API with optional HTTP client+server with push notification support
 
@@ -27,7 +27,7 @@ Build instructions: <https://github.com/savoirfairelinux/opendht/wiki/Build-the-
 
 #### How-to build a simple client app
 ```bash
-g++ main.cpp -std=c++14 -lopendht
+g++ main.cpp -std=c++17 -lopendht
 ```
 
 ## Examples
@@ -98,15 +98,15 @@ for r in results:
 - Nettle 2.4+, a GnuTLS dependency for crypto.
 - (optional) restinio used for the REST API.
 - (optional) jsoncpp 1.7.4-3+, used for the REST API.
-- Build tested with GCC 5.2+ (GNU/Linux, Windows with MinGW), Clang/LLVM (GNU/Linux, Android, macOS, iOS).
-- Build tested with Microsoft Visual Studio 2015, 2017, 2019
+- Build tested with GCC 7+ (GNU/Linux, Windows with MinGW), Clang/LLVM (GNU/Linux, Android, macOS, iOS).
+- Build tested with Microsoft Visual Studio 2017, 2019, 2022
 
 ## Contact
 
-IRC: join us on Freenode at [`#opendht`](https://webchat.freenode.net/?channels=%23opendht).
+IRC: join us on Libera.chat at [`#opendht`](https://web.libera.chat/#opendht).
 
 ## License
-Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+Copyright (C) 2014-2022 Savoir-faire Linux Inc.
 
 OpenDHT is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version.
 

autogen.sh

@@ -1,2 +1 @@
-git submodule update --init
 autoreconf --install --verbose -Wall

c/opendht.cpp

@@ -1,3 +1,21 @@
+/*
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Author : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
 #include "opendht_c.h"
 #include "opendht.h"
 
@@ -10,6 +28,8 @@ using CertSp = std::shared_ptr<dht::crypto::Certificate>;
 extern "C" {
 #endif
 
+#include <errno.h>
+
 // dht::InfoHash
 
 inline dht_infohash dht_infohash_to_c(const dht::InfoHash& h) {
@@ -97,10 +117,20 @@ const char* dht_value_get_user_type(const dht_value* data) {
     return vsp->user_type.c_str();
 }
 
+void dht_value_set_user_type(dht_value* data, const char* user_type) {
+    (*reinterpret_cast<ValueSp*>(data))->user_type = user_type;
+}
+
 dht_value* dht_value_new(const uint8_t* data, size_t size) {
     return reinterpret_cast<dht_value*>(new ValueSp(std::make_shared<dht::Value>(data, size)));
 }
 
+dht_value* dht_value_new_from_string(const char* str) {
+    ValueSp value = std::make_shared<dht::Value>((const uint8_t*)str, strlen(str));
+    value->user_type = "text/plain";
+    return reinterpret_cast<dht_value*>(new ValueSp(std::move(value)));
+}
+
 dht_value* dht_value_ref(const dht_value* v) {
     return reinterpret_cast<dht_value*>(new ValueSp(*reinterpret_cast<const ValueSp*>(v)));
 }
@@ -144,9 +174,13 @@ bool dht_publickey_check_signature(const dht_publickey* pk, const char* data, si
 
 dht_blob* dht_publickey_encrypt(const dht_publickey* pk, const char* data, size_t data_size) {
     const auto& pkey = *reinterpret_cast<const PubkeySp*>(pk);
-    auto rdata = new dht::Blob;
-    *rdata = pkey->encrypt((const uint8_t*)data, data_size);
-    return (dht_blob*)rdata;
+    try {
+        auto rdata = std::make_unique<dht::Blob>();
+        *rdata = pkey->encrypt((const uint8_t*)data, data_size);
+        return (dht_blob*)rdata.release();
+    } catch (...) {
+        return nullptr;
+    }
 }
 
 // dht::crypto::PrivateKey
@@ -173,7 +207,18 @@ int dht_privatekey_export(const dht_privatekey* k, char* out, size_t* out_size,
 
 dht_publickey* dht_privatekey_get_publickey(const dht_privatekey* k) {
     const auto& key = *reinterpret_cast<const PrivkeySp*>(k);
-    return reinterpret_cast<dht_publickey*>(new PubkeySp(std::make_shared<dht::crypto::PublicKey>(key->getPublicKey())));
+    return reinterpret_cast<dht_publickey*>(new PubkeySp(key->getSharedPublicKey()));
+}
+
+dht_blob* dht_privatekey_decrypt(const dht_privatekey* k, const char* data, size_t data_size) {
+    const auto& key = *reinterpret_cast<const PrivkeySp*>(k);
+    try {
+        auto rdata = std::make_unique<dht::Blob>();
+        *rdata = key->decrypt((const uint8_t*)data, data_size);
+        return (dht_blob*)rdata.release();
+    } catch (...) {
+        return nullptr;
+    }
 }
 
 void dht_privatekey_delete(dht_privatekey* pk) {
@@ -247,7 +292,7 @@ void dht_runner_config_default(dht_runner_config* config) {
 }
 
 // dht::DhtRunner
-dht_runner* dht_runner_new() {
+dht_runner* dht_runner_new(void) {
     return reinterpret_cast<dht_runner*>(new dht::DhtRunner);
 }
 
@@ -255,39 +300,55 @@ void dht_runner_delete(dht_runner* runner) {
     delete reinterpret_cast<dht::DhtRunner*>(runner);
 }
 
-void dht_runner_run(dht_runner* r, in_port_t port) {
+int dht_runner_run(dht_runner* r, in_port_t port) {
     auto runner = reinterpret_cast<dht::DhtRunner*>(r);
-    runner->run(port, {}, true);
+    try {
+        runner->run(port, {}, true);
+    } catch(...) {
+        return ENOTCONN;
+    }
+    return 0;
 }
 
-void dht_runner_run_config(dht_runner* r, in_port_t port, const dht_runner_config* conf) {
+int dht_runner_run_config(dht_runner* r, in_port_t port, const dht_runner_config* conf) {
     auto runner = reinterpret_cast<dht::DhtRunner*>(r);
-    dht::DhtRunner::Config config;
-    config.dht_config.node_config.is_bootstrap = conf->dht_config.node_config.is_bootstrap;
-    config.dht_config.node_config.maintain_storage = conf->dht_config.node_config.maintain_storage;
-    config.dht_config.node_config.node_id = *reinterpret_cast<const dht::InfoHash*>(&conf->dht_config.node_config.node_id);
-    config.dht_config.node_config.network = conf->dht_config.node_config.network;
-    config.dht_config.node_config.persist_path = conf->dht_config.node_config.persist_path
-        ? std::string(conf->dht_config.node_config.persist_path) : std::string{};
+    try {
+        dht::DhtRunner::Config config;
+        config.dht_config.node_config.is_bootstrap = conf->dht_config.node_config.is_bootstrap;
+        config.dht_config.node_config.maintain_storage = conf->dht_config.node_config.maintain_storage;
+        config.dht_config.node_config.node_id = *reinterpret_cast<const dht::InfoHash*>(&conf->dht_config.node_config.node_id);
+        config.dht_config.node_config.network = conf->dht_config.node_config.network;
+        config.dht_config.node_config.persist_path = conf->dht_config.node_config.persist_path
+            ? std::string(conf->dht_config.node_config.persist_path) : std::string{};
 
-    if (conf->dht_config.id.privatekey)
-        config.dht_config.id.first = *reinterpret_cast<const PrivkeySp*>(conf->dht_config.id.privatekey);
+        if (conf->dht_config.id.privatekey)
+            config.dht_config.id.first = *reinterpret_cast<const PrivkeySp*>(conf->dht_config.id.privatekey);
 
-    if (conf->dht_config.id.certificate)
-        config.dht_config.id.second = *reinterpret_cast<const CertSp*>(conf->dht_config.id.certificate);
+        if (conf->dht_config.id.certificate)
+            config.dht_config.id.second = *reinterpret_cast<const CertSp*>(conf->dht_config.id.certificate);
 
-    config.threaded = conf->threaded;
-    config.proxy_server = conf->proxy_server ? std::string(conf->proxy_server) : std::string{};
-    config.push_node_id = conf->push_node_id ? std::string(conf->push_node_id) : std::string{};
-    config.push_token = conf->push_token ? std::string(conf->push_token) : std::string{};
-    config.peer_discovery = conf->peer_discovery;
-    config.peer_publish = conf->peer_publish;
-    runner->run(port, config);
+        config.threaded = conf->threaded;
+        config.proxy_server = conf->proxy_server ? std::string(conf->proxy_server) : std::string{};
+        config.push_node_id = conf->push_node_id ? std::string(conf->push_node_id) : std::string{};
+        config.push_token = conf->push_token ? std::string(conf->push_token) : std::string{};
+        config.peer_discovery = conf->peer_discovery;
+        config.peer_publish = conf->peer_publish;
+        runner->run(port, config);
+    } catch(...) {
+        return ENOTCONN;
+    }
+    return 0;
 }
 
-void dht_runner_ping(dht_runner* r, struct sockaddr* addr, socklen_t addr_len) {
+void dht_runner_ping(dht_runner* r, struct sockaddr* addr, socklen_t addr_len, dht_done_cb done_cb, void* cb_user_data) {
     auto runner = reinterpret_cast<dht::DhtRunner*>(r);
-    runner->bootstrap(dht::SockAddr(addr, addr_len));
+    if (done_cb) {
+        runner->bootstrap(dht::SockAddr(addr, addr_len), [done_cb, cb_user_data](bool ok){
+            done_cb(ok, cb_user_data);
+        });
+    } else {
+        runner->bootstrap(dht::SockAddr(addr, addr_len));
+    }
 }
 
 void dht_runner_bootstrap(dht_runner* r, const char* host, const char* service) {
@@ -326,8 +387,11 @@ dht_op_token* dht_runner_listen(dht_runner* r, const dht_infohash* h, dht_value_
     auto runner = reinterpret_cast<dht::DhtRunner*>(r);
     auto hash = reinterpret_cast<const dht::InfoHash*>(h);
     auto fret = new std::future<size_t>;
-    auto guard = done_cb ? std::make_shared<ScopeGuardCb>(done_cb, cb_user_data) : std::shared_ptr<ScopeGuardCb>{};
-    *fret = runner->listen(*hash, [cb,cb_user_data, guard](const std::vector<std::shared_ptr<dht::Value>>& values, bool expired) {
+    *fret = runner->listen(*hash, [
+        cb,
+        cb_user_data,
+        guard = done_cb ? std::make_shared<ScopeGuardCb>(done_cb, cb_user_data) : std::shared_ptr<ScopeGuardCb>{}
+    ](const std::vector<std::shared_ptr<dht::Value>>& values, bool expired) {
         for (const auto& value : values) {
             if (not cb(reinterpret_cast<const dht_value*>(&value), expired, cb_user_data))
                 return false;
@@ -393,6 +457,17 @@ void dht_runner_shutdown(dht_runner* r, dht_shutdown_cb done_cb, void* cb_user_d
     });
 }
 
+bool dht_runner_is_running(const dht_runner* r) {
+    if (not r) return false;
+    auto runner = reinterpret_cast<const dht::DhtRunner*>(r);
+    return runner->isRunning();
+}
+
+in_port_t dht_runner_get_bound_port(const dht_runner* r, sa_family_t af) {
+    auto runner = reinterpret_cast<const dht::DhtRunner*>(r);
+    return runner->getBoundPort(af);
+}
+
 dht_infohash dht_runner_get_node_id(const dht_runner* r) {
     auto runner = reinterpret_cast<const dht::DhtRunner*>(r);
     dht_infohash ret;
@@ -414,9 +489,9 @@ struct sockaddr** dht_runner_get_public_address(const dht_runner* r) {
         return nullptr;
     auto ret = (struct sockaddr**)malloc(sizeof(struct sockaddr*) * (addrs.size() + 1));
     for (size_t i=0; i<addrs.size(); i++) {
-        if (auto len = addrs[i].getLength()) {
-            ret[i] = (struct sockaddr*)malloc(len);
-            memcpy((struct sockaddr*)ret[i], addrs[i].get(), len);
+        if (const auto& addr = addrs[i]) {
+            ret[i] = (struct sockaddr*)malloc(addr.getLength());
+            memcpy((struct sockaddr*)ret[i], addr.get(), addr.getLength());
         } else {
             ret[i] = nullptr;
         }

c/opendht_c.h

@@ -1,3 +1,21 @@
+/*
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Author : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
 #pragma once
 
 #ifdef __cplusplus
@@ -58,6 +76,7 @@ OPENDHT_C_PUBLIC dht_privatekey* dht_privatekey_generate(unsigned key_length_bit
 OPENDHT_C_PUBLIC dht_privatekey* dht_privatekey_import(const uint8_t* dat, size_t dat_size, const char* password);
 OPENDHT_C_PUBLIC int dht_privatekey_export(const dht_privatekey*, char* out, size_t* out_size, const char* password);
 OPENDHT_C_PUBLIC dht_publickey* dht_privatekey_get_publickey(const dht_privatekey*);
+OPENDHT_C_PUBLIC dht_blob* dht_privatekey_decrypt(const dht_privatekey*, const char* data, size_t data_size);
 OPENDHT_C_PUBLIC void dht_privatekey_delete(dht_privatekey*);
 
 // dht::crypto::Certificate
@@ -82,6 +101,7 @@ struct OPENDHT_C_PUBLIC dht_value;
 typedef struct dht_value dht_value;
 typedef uint64_t dht_value_id;
 OPENDHT_C_PUBLIC dht_value* dht_value_new(const uint8_t* data, size_t size);
+OPENDHT_C_PUBLIC dht_value* dht_value_new_from_string(const char* str);
 OPENDHT_C_PUBLIC dht_value* dht_value_ref(const dht_value*);
 OPENDHT_C_PUBLIC void dht_value_unref(dht_value*);
 OPENDHT_C_PUBLIC dht_data_view dht_value_get_data(const dht_value* data);
@@ -89,6 +109,7 @@ OPENDHT_C_PUBLIC dht_value_id dht_value_get_id(const dht_value* data);
 OPENDHT_C_PUBLIC dht_publickey* dht_value_get_owner(const dht_value* data);
 OPENDHT_C_PUBLIC dht_infohash dht_value_get_recipient(const dht_value* data);
 OPENDHT_C_PUBLIC const char* dht_value_get_user_type(const dht_value* data);
+OPENDHT_C_PUBLIC void dht_value_set_user_type(dht_value* data, const char* user_type);
 
 // callbacks
 typedef bool (*dht_get_cb)(const dht_value* value, void* user_data);
@@ -133,11 +154,13 @@ OPENDHT_C_PUBLIC void dht_runner_config_default(dht_runner_config* config);
 // dht::DhtRunner
 struct OPENDHT_C_PUBLIC dht_runner;
 typedef struct dht_runner dht_runner;
-OPENDHT_C_PUBLIC dht_runner* dht_runner_new();
+OPENDHT_C_PUBLIC dht_runner* dht_runner_new(void);
 OPENDHT_C_PUBLIC void dht_runner_delete(dht_runner* runner);
-OPENDHT_C_PUBLIC void dht_runner_run(dht_runner* runner, in_port_t port);
-OPENDHT_C_PUBLIC void dht_runner_run_config(dht_runner* runner, in_port_t port, const dht_runner_config* config);
-OPENDHT_C_PUBLIC void dht_runner_ping(dht_runner* runner, struct sockaddr* addr, socklen_t addr_len);
+/* Returns 0 on success, standard error code on failure */
+OPENDHT_C_PUBLIC int dht_runner_run(dht_runner* runner, in_port_t port);
+/* Returns 0 on success, standard error code on failure */
+OPENDHT_C_PUBLIC int dht_runner_run_config(dht_runner* runner, in_port_t port, const dht_runner_config* config);
+OPENDHT_C_PUBLIC void dht_runner_ping(dht_runner* runner, struct sockaddr* addr, socklen_t addr_len, dht_done_cb done_cb, void* cb_user_data);
 OPENDHT_C_PUBLIC void dht_runner_bootstrap(dht_runner* runner, const char* host, const char* service);
 OPENDHT_C_PUBLIC void dht_runner_get(dht_runner* runner, const dht_infohash* hash, dht_get_cb cb, dht_done_cb done_cb, void* cb_user_data);
 OPENDHT_C_PUBLIC dht_op_token* dht_runner_listen(dht_runner* runner, const dht_infohash* hash, dht_value_cb cb, dht_shutdown_cb done_cb, void* cb_user_data);
@@ -149,6 +172,9 @@ OPENDHT_C_PUBLIC void dht_runner_cancel_put(dht_runner* runner, const dht_infoha
 OPENDHT_C_PUBLIC void dht_runner_shutdown(dht_runner* runner, dht_shutdown_cb done_cb, void* cb_user_data);
 OPENDHT_C_PUBLIC dht_infohash dht_runner_get_node_id(const dht_runner* runner);
 OPENDHT_C_PUBLIC dht_infohash dht_runner_get_id(const dht_runner* runner);
+OPENDHT_C_PUBLIC bool dht_runner_is_running(const dht_runner* runner);
+OPENDHT_C_PUBLIC in_port_t dht_runner_get_bound_port(const dht_runner* runner, sa_family_t af);
+/** Returns null-terminated array that must be freed after use as well as each element */
 OPENDHT_C_PUBLIC struct sockaddr** dht_runner_get_public_address(const dht_runner* runner);
 
 #ifdef __cplusplus

cmake/CheckAtomic.cmake

@@ -0,0 +1,103 @@
+# atomic builtins are required for threading support.
+
+INCLUDE(CheckCXXSourceCompiles)
+INCLUDE(CheckLibraryExists)
+INCLUDE("${CMAKE_CURRENT_LIST_DIR}/DetermineGCCCompatible.cmake")
+
+# Sometimes linking against libatomic is required for atomic ops, if
+# the platform doesn't support lock-free atomics.
+
+function(check_working_cxx_atomics varname)
+  set(OLD_CMAKE_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS})
+  set(CMAKE_REQUIRED_FLAGS "${CMAKE_REQUIRED_FLAGS} -std=c++11")
+  CHECK_CXX_SOURCE_COMPILES("
+#include <atomic>
+std::atomic<int> x;
+std::atomic<short> y;
+std::atomic<char> z;
+int main() {
+  ++z;
+  ++y;
+  return ++x;
+}
+" ${varname})
+  set(CMAKE_REQUIRED_FLAGS ${OLD_CMAKE_REQUIRED_FLAGS})
+endfunction(check_working_cxx_atomics)
+
+function(check_working_cxx_atomics64 varname)
+  set(OLD_CMAKE_REQUIRED_FLAGS ${CMAKE_REQUIRED_FLAGS})
+  set(CMAKE_REQUIRED_FLAGS "-std=c++11 ${CMAKE_REQUIRED_FLAGS}")
+  CHECK_CXX_SOURCE_COMPILES("
+#include <atomic>
+#include <cstdint>
+std::atomic<uint64_t> x (0);
+int main() {
+  uint64_t i = x.load(std::memory_order_relaxed);
+  (void)i;
+  return 0;
+}
+" ${varname})
+  set(CMAKE_REQUIRED_FLAGS ${OLD_CMAKE_REQUIRED_FLAGS})
+endfunction(check_working_cxx_atomics64)
+
+
+# Check for (non-64-bit) atomic operations.
+if(MSVC)
+  set(HAVE_CXX_ATOMICS_WITHOUT_LIB True)
+elseif(LLVM_COMPILER_IS_GCC_COMPATIBLE OR CMAKE_CXX_COMPILER_ID MATCHES "XL")
+  # First check if atomics work without the library.
+  check_working_cxx_atomics(HAVE_CXX_ATOMICS_WITHOUT_LIB)
+  # If not, check if the library exists, and atomics work with it.
+  if(NOT HAVE_CXX_ATOMICS_WITHOUT_LIB)
+    list(APPEND CMAKE_REQUIRED_LIBRARIES "atomic")
+    check_working_cxx_atomics(HAVE_CXX_ATOMICS_WITH_LIB)
+    if (NOT HAVE_CXX_ATOMICS_WITH_LIB)
+      message(FATAL_ERROR "Host compiler must support std::atomic!")
+    endif()
+  endif()
+endif()
+
+# Check for 64 bit atomic operations.
+if(MSVC)
+  set(HAVE_CXX_ATOMICS64_WITHOUT_LIB True)
+elseif(LLVM_COMPILER_IS_GCC_COMPATIBLE OR CMAKE_CXX_COMPILER_ID MATCHES "XL")
+  # First check if atomics work without the library.
+  check_working_cxx_atomics64(HAVE_CXX_ATOMICS64_WITHOUT_LIB)
+  # If not, check if the library exists, and atomics work with it.
+  if(NOT HAVE_CXX_ATOMICS64_WITHOUT_LIB)
+    list(APPEND CMAKE_REQUIRED_LIBRARIES "atomic")
+    check_working_cxx_atomics64(HAVE_CXX_ATOMICS64_WITH_LIB)
+    if (NOT HAVE_CXX_ATOMICS64_WITH_LIB)
+      message(FATAL_ERROR "Host compiler must support 64-bit std::atomic!")
+    endif()
+  endif()
+endif()
+
+## TODO: This define is only used for the legacy atomic operations in
+## llvm's Atomic.h, which should be replaced.  Other code simply
+## assumes C++11 <atomic> works.
+CHECK_CXX_SOURCE_COMPILES("
+#ifdef _MSC_VER
+#include <windows.h>
+#endif
+int main() {
+#ifdef _MSC_VER
+        volatile LONG val = 1;
+        MemoryBarrier();
+        InterlockedCompareExchange(&val, 0, 1);
+        InterlockedIncrement(&val);
+        InterlockedDecrement(&val);
+#else
+        volatile unsigned long val = 1;
+        __sync_synchronize();
+        __sync_val_compare_and_swap(&val, 1, 0);
+        __sync_add_and_fetch(&val, 1);
+        __sync_sub_and_fetch(&val, 1);
+#endif
+        return 0;
+      }
+" LLVM_HAS_ATOMICS)
+
+if( NOT LLVM_HAS_ATOMICS )
+  message(STATUS "Warning: LLVM will be built thread-unsafe because atomic builtins are missing")
+endif()

cmake/DetermineGCCCompatible.cmake

@@ -0,0 +1,13 @@
+# Determine if the compiler has GCC-compatible command-line syntax.
+
+if(NOT DEFINED LLVM_COMPILER_IS_GCC_COMPATIBLE)
+  if(CMAKE_COMPILER_IS_GNUCXX)
+    set(LLVM_COMPILER_IS_GCC_COMPATIBLE ON)
+  elseif( MSVC )
+    set(LLVM_COMPILER_IS_GCC_COMPATIBLE OFF)
+  elseif( "${CMAKE_CXX_COMPILER_ID}" MATCHES "Clang" )
+    set(LLVM_COMPILER_IS_GCC_COMPATIBLE ON)
+  elseif( "${CMAKE_CXX_COMPILER_ID}" MATCHES "Intel" )
+    set(LLVM_COMPILER_IS_GCC_COMPATIBLE ON)
+  endif()
+endif()

cmake/FindCppunit.cmake

@@ -1,28 +0,0 @@
-INCLUDE(FindPkgConfig)
-PKG_CHECK_MODULES(PC_CPPUNIT "cppunit")
-
-FIND_PATH(CPPUNIT_INCLUDE_DIRS
-    NAMES cppunit/TestCase.h
-    HINTS ${PC_CPPUNIT_INCLUDE_DIR}
-    ${CMAKE_INSTALL_PREFIX}/include
-    PATHS
-    /usr/local/include
-    /usr/include
-)
-
-FIND_LIBRARY(CPPUNIT_LIBRARIES
-    NAMES cppunit
-    HINTS ${PC_CPPUNIT_LIBDIR}
-    ${CMAKE_INSTALL_PREFIX}/lib
-    ${CMAKE_INSTALL_PREFIX}/lib64
-    PATHS
-    ${CPPUNIT_INCLUDE_DIRS}/../lib
-    /usr/local/lib
-    /usr/lib
-)
-
-LIST(APPEND CPPUNIT_LIBRARIES ${CMAKE_DL_LIBS})
-
-INCLUDE(FindPackageHandleStandardArgs)
-FIND_PACKAGE_HANDLE_STANDARD_ARGS(CPPUNIT DEFAULT_MSG CPPUNIT_LIBRARIES CPPUNIT_INCLUDE_DIRS)
-MARK_AS_ADVANCED(CPPUNIT_LIBRARIES CPPUNIT_INCLUDE_DIRS)

cmake/FindMsgpack.cmake

@@ -1,64 +0,0 @@
-# - Try to find msgpack
-# Once done this will define
-#  MSGPACK_FOUND - System has msgpack
-#  MSGPACK_INCLUDE_DIRS - The msgpack include directories
-#  MSGPACK_LIBRARIES - The libraries needed to use msgpack
-
-if(NOT MSGPACK_USE_BUNDLED)
-  find_package(PkgConfig)
-  if (PKG_CONFIG_FOUND)
-    pkg_search_module(PC_MSGPACK QUIET
-      msgpackc>=${Msgpack_FIND_VERSION}
-      msgpack>=${Msgpack_FIND_VERSION})
-  endif()
-else()
-  set(PC_MSGPACK_INCLUDEDIR)
-  set(PC_MSGPACK_INCLUDE_DIRS)
-  set(PC_MSGPACK_LIBDIR)
-  set(PC_MSGPACK_LIBRARY_DIRS)
-  set(LIMIT_SEARCH NO_DEFAULT_PATH)
-endif()
-
-set(MSGPACK_DEFINITIONS ${PC_MSGPACK_CFLAGS_OTHER})
-
-find_path(MSGPACK_INCLUDE_DIR msgpack/version_master.h
-  HINTS ${PC_MSGPACK_INCLUDEDIR} ${PC_MSGPACK_INCLUDE_DIRS}
-  ${LIMIT_SEARCH})
-
-if(MSGPACK_INCLUDE_DIR)
-  file(READ ${MSGPACK_INCLUDE_DIR}/msgpack/version_master.h msgpack_version_h)
-  string(REGEX REPLACE ".*MSGPACK_VERSION_MAJOR +([0-9]+).*" "\\1" MSGPACK_VERSION_MAJOR "${msgpack_version_h}")
-  string(REGEX REPLACE ".*MSGPACK_VERSION_MINOR +([0-9]+).*" "\\1" MSGPACK_VERSION_MINOR "${msgpack_version_h}")
-  string(REGEX REPLACE ".*MSGPACK_VERSION_REVISION +([0-9]+).*" "\\1" MSGPACK_VERSION_REVISION "${msgpack_version_h}")
-  set(MSGPACK_VERSION_STRING "${MSGPACK_VERSION_MAJOR}.${MSGPACK_VERSION_MINOR}.${MSGPACK_VERSION_REVISION}")
-else()
-  set(MSGPACK_VERSION_STRING)
-endif()
-
-# If we're asked to use static linkage, add libmsgpack{,c}.a as a preferred library name.
-if(MSGPACK_USE_STATIC)
-  list(APPEND MSGPACK_NAMES
-    "${CMAKE_STATIC_LIBRARY_PREFIX}msgpackc${CMAKE_STATIC_LIBRARY_SUFFIX}"
-    "${CMAKE_STATIC_LIBRARY_PREFIX}msgpack${CMAKE_STATIC_LIBRARY_SUFFIX}")
-endif()
-
-list(APPEND MSGPACK_NAMES msgpackc msgpack)
-
-find_library(MSGPACK_LIBRARY NAMES ${MSGPACK_NAMES}
-  # Check each directory for all names to avoid using headers/libraries from
-  # different places.
-  NAMES_PER_DIR
-  HINTS ${PC_MSGPACK_LIBDIR} ${PC_MSGPACK_LIBRARY_DIRS}
-  ${LIMIT_SEARCH})
-
-mark_as_advanced(MSGPACK_INCLUDE_DIR MSGPACK_LIBRARY)
-
-set(MSGPACK_LIBRARIES ${MSGPACK_LIBRARY})
-set(MSGPACK_INCLUDE_DIRS ${MSGPACK_INCLUDE_DIR})
-
-include(FindPackageHandleStandardArgs)
-# handle the QUIETLY and REQUIRED arguments and set MSGPACK_FOUND to TRUE
-# if all listed variables are TRUE
-find_package_handle_standard_args(Msgpack
-  REQUIRED_VARS MSGPACK_LIBRARY MSGPACK_INCLUDE_DIR
-  VERSION_VAR MSGPACK_VERSION_STRING)

configure.ac

@@ -1,6 +1,6 @@
 dnl define macros
 m4_define([opendht_major_version], 2)
-m4_define([opendht_minor_version], 0)
+m4_define([opendht_minor_version], 4)
 m4_define([opendht_patch_version], 0)
 m4_define([opendht_version],
 		  [opendht_major_version.opendht_minor_version.opendht_patch_version])
@@ -102,7 +102,7 @@ AS_IF([test "x$SYS" = "xandroid"],
 LT_INIT()
 LT_LANG(C++)
 
-AX_CXX_COMPILE_STDCXX(14,[noext],[mandatory])
+AX_CXX_COMPILE_STDCXX(17,[noext],[mandatory])
 
 PKG_PROG_PKG_CONFIG()
 
@@ -132,6 +132,8 @@ AM_CONDITIONAL(PROXY_CLIENT_OR_SERVER, test x$proxy_client == xyes || test x$pro
 PKG_CHECK_MODULES([Nettle], [nettle >= 2.4])
 PKG_CHECK_MODULES([GnuTLS], [gnutls >= 3.3])
 PKG_CHECK_MODULES([MsgPack], [msgpack >= 1.2])
+PKG_CHECK_MODULES([Argon2], [libargon2])
+AC_SUBST(argon2_lib, [", libargon2"])
 
 AC_ARG_WITH([jsoncpp], AS_HELP_STRING([--without-jsoncpp], [Build without JsonCpp support]))
 AS_IF([test "x$with_jsoncpp" != "xno"],
@@ -157,14 +159,6 @@ AS_IF([test "x$have_openssl" = "xyes"], [
     AC_MSG_NOTICE([Not using OpenSSL])
 ])
 
-AC_ARG_WITH([http_parser_fork], AS_HELP_STRING([--with-http-parser-fork], [Build with http_parser fork to support old API]))
-AS_IF([test "x$with_http_parser_fork" = "xyes"],[
-    AC_MSG_NOTICE([Using http_parser fork])
-    AC_DEFINE([OPENDHT_PROXY_HTTP_PARSER_FORK], [], [Define if using http parser fork])
-], [
-    AC_MSG_NOTICE([Not using http_parser fork])
-])
-
 AM_COND_IF([PROXY_CLIENT_OR_SERVER], [
     AC_CHECK_HEADERS([asio.hpp], exit,, AC_MSG_ERROR([Missing Asio headers files]))
     CXXFLAGS="${CXXFLAGS} -DASIO_STANDALONE"
@@ -181,28 +175,7 @@ AM_COND_IF([PROXY_CLIENT_OR_SERVER], [
     AS_IF([test "x$http_parser_headers" != "xyes"], AC_MSG_ERROR([Missing HttpParser headers files]))
 ])
 
-CXXFLAGS="${CXXFLAGS} -DMSGPACK_DISABLE_LEGACY_NIL -DMSGPACK_DISABLE_LEGACY_CONVERT"
-
-dnl Check for Argon2
-AC_ARG_WITH([argon2], AS_HELP_STRING([--without-argon2], [Use included Argon2]))
-AS_IF([test "x$with_argon2" != "xno"],
-			[PKG_CHECK_MODULES([Argon2], [libargon2], [have_argon2=yes], [have_argon2=no])],
-			[have_argon2=no])
-AS_IF([test "x$have_argon2" = "xyes"], [
-  AC_MSG_NOTICE([Using system Argon2])
-  AC_SUBST(argon2_lib, [", libargon2"])
-], [
-		AS_IF([test "x$with_argon2" = "xyes"], [
-				AC_MSG_ERROR([Argon2 requested but not found])
-		],[
-				AC_MSG_NOTICE([Using included Argon2])
-				AC_SUBST(Argon2_CFLAGS, "-I\${top_srcdir}/argon2/src -I\${top_srcdir}/argon2/include")
-				AC_SUBST(Argon2_LIBS, "libargon2.la")
-				AC_SUBST(Argon2_LDFLAGS, "-L\${abs_top_srcdir}/argon2/src/.libs")
-		])
-])
-
-AM_CONDITIONAL([WITH_INCLUDED_ARGON2], [test "x$have_argon2" = "xno"])
+CXXFLAGS="${CXXFLAGS} -DMSGPACK_NO_BOOST -DMSGPACK_DISABLE_LEGACY_NIL -DMSGPACK_DISABLE_LEGACY_CONVERT"
 
 AC_ARG_ENABLE([tools], AS_HELP_STRING([--disable-tools],[Disable tools (CLI DHT node)]),,build_tools=yes)
 AM_CONDITIONAL(ENABLE_TOOLS, test x$build_tools == xyes)

docker/Dockerfile

@@ -1,6 +1,16 @@
-FROM aberaud/opendht-deps
-MAINTAINER Adrien Béraud <adrien.beraud@savoirfairelinux.com>
+FROM ghcr.io/savoirfairelinux/opendht/opendht-deps:latest
+LABEL maintainer="Adrien Béraud <adrien.beraud@savoirfairelinux.com>"
+LABEL org.opencontainers.image.source https://github.com/savoirfairelinux/opendht
+
 RUN git clone https://github.com/savoirfairelinux/opendht.git \
 	&& cd opendht && mkdir build && cd build \
-	&& cmake .. -DCMAKE_INSTALL_PREFIX=/usr -DOPENDHT_PYTHON=On -DOPENDHT_LTO=On && make -j8 && make install \
+	&& cmake .. -DCMAKE_INSTALL_PREFIX=/usr \
+				-DCMAKE_INTERPROCEDURAL_OPTIMIZATION=On \
+				-DOPENDHT_C=On \
+				-DOPENDHT_PEER_DISCOVERY=On \
+				-DOPENDHT_PYTHON=On \
+				-DOPENDHT_TOOLS=On \
+				-DOPENDHT_PROXY_SERVER=On \
+				-DOPENDHT_PROXY_CLIENT=On \
+	&& make -j8 && make install \
 	&& cd ../.. && rm -rf opendht

docker/DockerfileBionic

@@ -1,13 +1,16 @@
-FROM docker.pkg.github.com/savoirfairelinux/opendht/opendht-deps-bionic:2.0.0
-MAINTAINER Adrien Béraud <adrien.beraud@savoirfairelinux.com>
+FROM ghcr.io/savoirfairelinux/opendht/opendht-deps-bionic:latest
+LABEL maintainer="Adrien Béraud <adrien.beraud@savoirfairelinux.com>"
+LABEL org.opencontainers.image.source https://github.com/savoirfairelinux/opendht
 
 RUN git clone https://github.com/savoirfairelinux/opendht.git \
 	&& cd opendht && mkdir build && cd build \
 	&& cmake .. -DCMAKE_INSTALL_PREFIX=/usr \
-		-DOPENDHT_PROXY_CLIENT=On \
-		-DOPENDHT_PROXY_SERVER=On \
-		-DOPENDHT_C=On \
-		-DOPENDHT_PYTHON=On \
-		-DOPENDHT_LTO=On \
-		&& make -j8 && make install \
+				-DCMAKE_INTERPROCEDURAL_OPTIMIZATION=On \
+				-DOPENDHT_C=On \
+				-DOPENDHT_PEER_DISCOVERY=On \
+				-DOPENDHT_PYTHON=On \
+				-DOPENDHT_TOOLS=On \
+				-DOPENDHT_PROXY_SERVER=On \
+				-DOPENDHT_PROXY_CLIENT=On \
+	&& make -j8 && make install \
 	&& cd ../.. && rm -rf opendht

docker/DockerfileDeps

@@ -1,56 +1,28 @@
-FROM ubuntu:16.04
-MAINTAINER Adrien Béraud <adrien.beraud@savoirfairelinux.com>
+FROM ubuntu:20.04
+LABEL maintainer="Adrien Béraud <adrien.beraud@savoirfairelinux.com>"
+LABEL org.opencontainers.image.source https://github.com/savoirfairelinux/opendht
+
 RUN apt-get update && apt-get install -y \
-        build-essential cmake git wget libncurses5-dev libreadline-dev nettle-dev \
-        libgnutls28-dev libuv1-dev cython3 python3-dev python3-setuptools libcppunit-dev libjsoncpp-dev \
-        autotools-dev autoconf libssl-dev \
-    && apt-get clean
+        dialog apt-utils \
+    && apt-get clean \
+    && echo 'debconf debconf/frontend select Noninteractive' | debconf-set-selections
 
-RUN echo "*** Installing libfmt ***" \
-    && wget https://github.com/fmtlib/fmt/archive/5.3.0.tar.gz \
-    && tar -xzf 5.3.0.tar.gz && cd fmt-5.3.0/ \
-    && cmake -DCMAKE_INSTALL_PREFIX=/usr -DBUILD_SHARED_LIBS=On -DFMT_TEST=Off -DFMT_DOC=Off . \
-    && make -j8 && make install \
-    && cd ../ && rm -rf fmt*
-
-# libhttp-parser-dev is 2.1-2 which is too old
-RUN echo "*** Building nodejs/http_parser dependency ***" \
-    && wget https://github.com/nodejs/http-parser/archive/v2.9.2.tar.gz \
-    && tar xvf v2.9.2.tar.gz && cd http-parser-2.9.2/ \
-    && PREFIX=/usr make -j8 install \
-    && cd ../ && rm -rf http-parser*
-
-# libasio-dev (1.10.6-3) is too old
-RUN echo "** Building a recent version of asio ***" \
-    && wget https://github.com/aberaud/asio/archive/a7d66ef4017d8f1b7f2cef1bb4ba8e23b0961571.tar.gz \
-    && tar -xvf a7d66ef4017d8f1b7f2cef1bb4ba8e23b0961571.tar.gz && cd asio-a7d66ef4017d8f1b7f2cef1bb4ba8e23b0961571/asio \
-    && ./autogen.sh && ./configure --prefix=/usr --without-boost --disable-examples --disable-tests  \
-    && make install \
-    && cd ../../ && rm -rf asio*
+RUN apt-get update && apt-get install -y \
+        build-essential pkg-config cmake git wget \
+        autotools-dev autoconf \
+        cython3 python3-dev python3-setuptools \
+        libncurses5-dev libreadline-dev nettle-dev libcppunit-dev \
+        libgnutls28-dev libuv1-dev libjsoncpp-dev libargon2-dev \
+        libssl-dev libfmt-dev libhttp-parser-dev libasio-dev libmsgpack-dev \
+    && apt-get clean && rm -rf /var/lib/apt/lists/* /var/cache/apt/*
 
 RUN echo "*** Downloading RESTinio ***" \
     && mkdir restinio && cd restinio \
-    && wget https://github.com/aberaud/restinio/archive/a7a10e419d9089c5b8ee63f5e3098c892f22fae4.tar.gz \
-    && ls -l && tar -xzf a7a10e419d9089c5b8ee63f5e3098c892f22fae4.tar.gz \
-    && cd restinio-a7a10e419d9089c5b8ee63f5e3098c892f22fae4/dev \
+    && wget https://github.com/aberaud/restinio/archive/e0a261dd8488246a3cb8bbb3ea781ea5139c3c94.tar.gz \
+    && ls -l && tar -xzf e0a261dd8488246a3cb8bbb3ea781ea5139c3c94.tar.gz \
+    && cd restinio-e0a261dd8488246a3cb8bbb3ea781ea5139c3c94/dev \
     && cmake -DCMAKE_INSTALL_PREFIX=/usr -DRESTINIO_TEST=OFF -DRESTINIO_SAMPLE=OFF \
              -DRESTINIO_INSTALL_SAMPLES=OFF -DRESTINIO_BENCH=OFF -DRESTINIO_INSTALL_BENCHES=OFF \
              -DRESTINIO_FIND_DEPS=ON -DRESTINIO_ALLOW_SOBJECTIZER=Off -DRESTINIO_USE_BOOST_ASIO=none . \
     && make -j8 && make install \
-    && cd ../../ && rm -rf restinio*
-
-
-# build restbed from sources
-RUN git clone --recursive https://github.com/corvusoft/restbed.git \
-	&& cd restbed && mkdir build && cd build \
-	&& cmake -DBUILD_TESTS=NO -DBUILD_EXAMPLES=NO -DBUILD_SSL=NO -DBUILD_SHARED=YES -DCMAKE_INSTALL_PREFIX=/usr -DCMAKE_INSTALL_LIBDIR=lib .. \
-	&& make -j8 install \
-	&& cd .. && rm -rf restbed
-
-#build msgpack from source
-RUN wget https://github.com/msgpack/msgpack-c/releases/download/cpp-2.1.5/msgpack-2.1.5.tar.gz \
-    && tar -xzf msgpack-2.1.5.tar.gz \
-    && cd msgpack-2.1.5 && mkdir build && cd build \
-    && cmake -DMSGPACK_CXX11=ON -DMSGPACK_BUILD_EXAMPLES=OFF -DCMAKE_INSTALL_PREFIX=/usr .. \
-    && make -j8 && make install \
-    && cd ../.. && rm -rf msgpack-2.1.5 msgpack-2.1.5.tar.gz
+    && cd ../../.. && rm -rf restinio

docker/DockerfileDepsBionic

@@ -1,12 +1,16 @@
 FROM ubuntu:18.04
-MAINTAINER Adrien Béraud <adrien.beraud@savoirfairelinux.com>
+LABEL maintainer="Adrien Béraud <adrien.beraud@savoirfairelinux.com>"
+LABEL org.opencontainers.image.source https://github.com/savoirfairelinux/opendht
 
 RUN echo "APT::Acquire::Retries \"3\";" > /etc/apt/apt.conf.d/80-retries
 RUN apt-get update && apt-get install -y \
-        apt-transport-https build-essential cmake git wget libncurses5-dev libreadline-dev nettle-dev \
+        apt-transport-https build-essential pkg-config git wget libncurses5-dev libreadline-dev nettle-dev \
         libgnutls28-dev libuv1-dev cython3 python3-dev python3-setuptools libcppunit-dev libjsoncpp-dev \
-        autotools-dev autoconf libfmt-dev libhttp-parser-dev libmsgpack-dev libssl-dev \
-    && apt-get clean
+        libargon2-0-dev \
+        autotools-dev autoconf libfmt-dev libhttp-parser-dev libmsgpack-dev libssl-dev python3-pip \
+    && apt-get clean && rm -rf /var/lib/apt/lists/* /var/cache/apt/*
+
+RUN pip3 install --upgrade cmake
 
 # libasio-dev (1.10) is too old
 RUN echo "** Building a recent version of asio ***" \

docker/DockerfileDepsLlvm

@@ -1,62 +1,31 @@
-FROM ubuntu:16.04
-MAINTAINER Adrien Béraud <adrien.beraud@savoirfairelinux.com>
+FROM ubuntu:20.04
+LABEL maintainer="Adrien Béraud <adrien.beraud@savoirfairelinux.com>"
+LABEL org.opencontainers.image.source https://github.com/savoirfairelinux/opendht
+
+RUN apt-get update && apt-get install -y \
+        dialog apt-utils \
+    && apt-get clean \
+    && echo 'debconf debconf/frontend select Noninteractive' | debconf-set-selections
+
 RUN apt-get update \
-    && apt-get install -y llvm llvm-dev clang make cmake git wget libncurses5-dev libreadline-dev \
+    && apt-get install -y llvm llvm-dev lldb clang gdb make cmake pkg-config git wget libncurses5-dev libreadline-dev \
        nettle-dev libgnutls28-dev libuv1-dev libmsgpack-dev libjsoncpp-dev cython3 python3-dev \
        python3-setuptools libcppunit-dev python3-pip \
-       autotools-dev autoconf libssl-dev \
-    && apt-get remove -y gcc g++ && apt-get autoremove -y && apt-get clean
+       autotools-dev autoconf libssl-dev libargon2-dev \
+       libfmt-dev libhttp-parser-dev libasio-dev \
+    && apt-get remove -y gcc g++ && apt-get autoremove -y \
+    && apt-get clean && rm -rf /var/lib/apt/lists/* /var/cache/apt/*
 
 ENV CC cc
 ENV CXX c++
 
-RUN echo "*** Installing libfmt ***" \
-    && wget https://github.com/fmtlib/fmt/archive/5.3.0.tar.gz \
-    && tar -xzf 5.3.0.tar.gz && cd fmt-5.3.0/ \
-    && cmake -DCMAKE_INSTALL_PREFIX=/usr -DBUILD_SHARED_LIBS=On -DFMT_TEST=Off -DFMT_DOC=Off . \
-    && make -j8 && make install \
-    && cd ../ && rm -rf fmt*
-
-# libhttp-parser-dev is 2.1-2 which is too old
-RUN echo "*** Building nodejs/http_parser dependency ***" \
-    && wget https://github.com/nodejs/http-parser/archive/v2.9.2.tar.gz \
-    && tar xvf v2.9.2.tar.gz && cd http-parser-2.9.2/ \
-    && PREFIX=/usr make -j8 install \
-    && cd ../ && rm -rf http-parser*
-
-# libasio-dev (1.10.6-3) is too old
-RUN echo "** Building a recent version of asio ***" \
-    && wget https://github.com/aberaud/asio/archive/a7d66ef4017d8f1b7f2cef1bb4ba8e23b0961571.tar.gz \
-    && tar -xvf a7d66ef4017d8f1b7f2cef1bb4ba8e23b0961571.tar.gz && cd asio-a7d66ef4017d8f1b7f2cef1bb4ba8e23b0961571/asio \
-    && ./autogen.sh && ./configure --prefix=/usr --without-boost --disable-examples --disable-tests  \
-    && make install \
-    && cd ../../ && rm -rf asio*
-
-#patch for https://github.com/Stiffstream/restinio-conan-example/issues/2
-RUN apt-get update && apt-get install -y python3-pip && pip3 install --upgrade cmake
-
 RUN echo "*** Downloading RESTinio ***" \
     && mkdir restinio && cd restinio \
-    && wget https://github.com/aberaud/restinio/archive/a7a10e419d9089c5b8ee63f5e3098c892f22fae4.tar.gz \
-    && ls -l && tar -xzf a7a10e419d9089c5b8ee63f5e3098c892f22fae4.tar.gz \
-    && cd restinio-a7a10e419d9089c5b8ee63f5e3098c892f22fae4/dev \
+    && wget https://github.com/aberaud/restinio/archive/e0a261dd8488246a3cb8bbb3ea781ea5139c3c94.tar.gz \
+    && ls -l && tar -xzf e0a261dd8488246a3cb8bbb3ea781ea5139c3c94.tar.gz \
+    && cd restinio-e0a261dd8488246a3cb8bbb3ea781ea5139c3c94/dev \
     && cmake -DCMAKE_INSTALL_PREFIX=/usr -DRESTINIO_TEST=OFF -DRESTINIO_SAMPLE=OFF \
              -DRESTINIO_INSTALL_SAMPLES=OFF -DRESTINIO_BENCH=OFF -DRESTINIO_INSTALL_BENCHES=OFF \
              -DRESTINIO_FIND_DEPS=ON -DRESTINIO_ALLOW_SOBJECTIZER=Off -DRESTINIO_USE_BOOST_ASIO=none . \
     && make -j8 && make install \
     && cd ../../ && rm -rf restinio*
-
-# build restbed from sources
-RUN git clone --recursive https://github.com/corvusoft/restbed.git \
-	&& cd restbed && mkdir build && cd build \
-	&& cmake -DBUILD_TESTS=NO -DBUILD_EXAMPLES=NO -DBUILD_SSL=NO -DBUILD_SHARED=YES -DCMAKE_INSTALL_PREFIX=/usr -DCMAKE_INSTALL_LIBDIR=lib .. \
-	&& make -j8 install \
-	&& cd .. && rm -rf restbed
-
-#build msgpack from source
-RUN wget https://github.com/msgpack/msgpack-c/releases/download/cpp-2.1.5/msgpack-2.1.5.tar.gz \
-    && tar -xzf msgpack-2.1.5.tar.gz \
-    && cd msgpack-2.1.5 && mkdir build && cd build \
-    && cmake -DMSGPACK_CXX11=ON -DMSGPACK_BUILD_EXAMPLES=OFF -DCMAKE_INSTALL_PREFIX=/usr .. \
-    && make -j8 && make install \
-    && cd ../.. && rm -rf msgpack-2.1.5 msgpack-2.1.5.tar.gz

docker/DockerfileLlvm

@@ -0,0 +1,16 @@
+FROM ghcr.io/savoirfairelinux/opendht/opendht-deps-llvm:latest
+LABEL maintainer="Adrien Béraud <adrien.beraud@savoirfairelinux.com>"
+LABEL org.opencontainers.image.source https://github.com/savoirfairelinux/opendht
+
+RUN git clone https://github.com/savoirfairelinux/opendht.git \
+	&& cd opendht && mkdir build && cd build \
+	&& cmake .. -DCMAKE_INSTALL_PREFIX=/usr \
+				-DCMAKE_INTERPROCEDURAL_OPTIMIZATION=On \
+				-DOPENDHT_C=On \
+				-DOPENDHT_PEER_DISCOVERY=On \
+				-DOPENDHT_PYTHON=On \
+				-DOPENDHT_TOOLS=On \
+				-DOPENDHT_PROXY_SERVER=On \
+				-DOPENDHT_PROXY_CLIENT=On \
+	&& make -j8 && make install \
+	&& cd ../.. && rm -rf opendht

docker/DockerfileTravis

@@ -1,7 +0,0 @@
-FROM aberaud/opendht-deps
-MAINTAINER Adrien Béraud <adrien.beraud@savoirfairelinux.com>
-
-COPY . /root/opendht
-RUN cd /root/opendht && mkdir build && cd build \
-	&& cmake -DCMAKE_INSTALL_PREFIX=/usr -DOPENDHT_PYTHON=On -DOPENDHT_C=On -DOPENDHT_LTO=On -DOPENDHT_TESTS=ON ..  \
-	&& make -j8 && ./opendht_unit_tests && make install

docker/DockerfileTravisLlvm

@@ -1,7 +0,0 @@
-FROM aberaud/opendht-deps-llvm
-MAINTAINER Adrien Béraud <adrien.beraud@savoirfairelinux.com>
-
-COPY . /root/opendht
-RUN cd /root/opendht && mkdir build && cd build \
-	&& cmake -DCMAKE_INSTALL_PREFIX=/usr -DOPENDHT_PYTHON=On -DOPENDHT_C=On -DOPENDHT_TESTS=ON .. \
-	&& make -j8 && ./opendht_unit_tests && make install

docker/DockerfileTravisProxy

@@ -1,4 +0,0 @@
-FROM aberaud/opendht-deps
-MAINTAINER Adrien Béraud <adrien.beraud@savoirfairelinux.com>
-
-COPY . /root/opendht

include/opendht.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
  *
  *  This program is free software; you can redistribute it and/or modify

include/opendht/callbacks.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Authors: Adrien Béraud <adrien.beraud@savoirfairelinux.com>
  *           Simon Désaulniers <simon.desaulniers@savoirfairelinux.com>
  *           Sébastien Blin <sebastien.blin@savoirfairelinux.com>
@@ -82,6 +82,8 @@ struct OPENDHT_PUBLIC NodeInfo {
     NodeStats ipv4 {};
     NodeStats ipv6 {};
     size_t ongoing_ops {0};
+    in_port_t bound4 {0};
+    in_port_t bound6 {0};
 
 #ifdef OPENDHT_JSONCPP
     /**
@@ -130,7 +132,7 @@ struct OPENDHT_PUBLIC Config {
     /* If non-0, overrides the default maximum store size. -1 means no limit.  */
     ssize_t max_store_size {0};
 
-    /** 
+    /**
      * Use appropriate bahavior for a public IP, stable node:
      *   - No connectivity change triggered when a search fails
      *   - Larger listen refresh time
@@ -146,7 +148,7 @@ struct OPENDHT_PUBLIC SecureDhtConfig
     Config node_config {};
     crypto::Identity id {};
 
-    /** 
+    /**
      * Cache all encountered public keys and certificates,
      * for use by the certificate store, putEncrypted and putSigned
      */
@@ -162,6 +164,7 @@ using GetCallback = std::function<bool(const std::vector<std::shared_ptr<Value>>
 using ValueCallback = std::function<bool(const std::vector<std::shared_ptr<Value>>& values, bool expired)>;
 using GetCallbackSimple = std::function<bool(std::shared_ptr<Value> value)>;
 using ShutdownCallback = std::function<void()>;
+using IdentityAnnouncedCb = std::function<void(bool)>;
 
 using CertificateStoreQuery = std::function<std::vector<std::shared_ptr<crypto::Certificate>>(const InfoHash& pk_id)>;
 
@@ -176,13 +179,13 @@ typedef bool (*FilterRaw)(const Value&, void *user_data);
 
 using DoneCallbackSimple = std::function<void(bool success)>;
 
-OPENDHT_PUBLIC GetCallbackSimple bindGetCb(const GetCallbackRaw& raw_cb, void* user_data);
-OPENDHT_PUBLIC GetCallback bindGetCb(const GetCallbackSimple& cb);
-OPENDHT_PUBLIC ValueCallback bindValueCb(const ValueCallbackRaw& raw_cb, void* user_data);
-OPENDHT_PUBLIC ShutdownCallback bindShutdownCb(const ShutdownCallbackRaw& shutdown_cb_raw, void* user_data);
+OPENDHT_PUBLIC GetCallbackSimple bindGetCb(GetCallbackRaw raw_cb, void* user_data);
+OPENDHT_PUBLIC GetCallback bindGetCb(GetCallbackSimple cb);
+OPENDHT_PUBLIC ValueCallback bindValueCb(ValueCallbackRaw raw_cb, void* user_data);
+OPENDHT_PUBLIC ShutdownCallback bindShutdownCb(ShutdownCallbackRaw shutdown_cb_raw, void* user_data);
 OPENDHT_PUBLIC DoneCallback bindDoneCb(DoneCallbackSimple donecb);
-OPENDHT_PUBLIC DoneCallback bindDoneCb(const DoneCallbackRaw& raw_cb, void* user_data);
-OPENDHT_PUBLIC DoneCallbackSimple bindDoneCbSimple(const DoneCallbackSimpleRaw& raw_cb, void* user_data);
-OPENDHT_PUBLIC Value::Filter bindFilterRaw(const FilterRaw& raw_filter, void* user_data);
+OPENDHT_PUBLIC DoneCallback bindDoneCb(DoneCallbackRaw raw_cb, void* user_data);
+OPENDHT_PUBLIC DoneCallbackSimple bindDoneCbSimple(DoneCallbackSimpleRaw raw_cb, void* user_data);
+OPENDHT_PUBLIC Value::Filter bindFilterRaw(FilterRaw raw_filter, void* user_data);
 
 }

include/opendht/crypto.h

@@ -1,6 +1,7 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
+ *           Vsevolod Ivanov <vsevolod.ivanov@savoirfairelinux.com>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -26,6 +27,7 @@ extern "C" {
 #include <gnutls/gnutls.h>
 #include <gnutls/abstract.h>
 #include <gnutls/x509.h>
+#include <gnutls/ocsp.h>
 }
 
 #include <vector>
@@ -78,6 +80,8 @@ struct OPENDHT_PUBLIC PublicKey
      * Takes ownership of an existing gnutls_pubkey.
      */
     PublicKey(gnutls_pubkey_t k) : pk(k) {}
+
+    /** Import public key from serialized data */
     PublicKey(const uint8_t* dat, size_t dat_size);
     PublicKey(const Blob& pk) : PublicKey(pk.data(), pk.size()) {}
     PublicKey(PublicKey&& o) noexcept : pk(o.pk) { o.pk = nullptr; };
@@ -104,12 +108,12 @@ struct OPENDHT_PUBLIC PublicKey
     PkId getLongId() const;
 
     bool checkSignature(const uint8_t* data, size_t data_len, const uint8_t* signature, size_t signature_len) const;
-    bool checkSignature(const Blob& data, const Blob& signature) const {
+    inline bool checkSignature(const Blob& data, const Blob& signature) const {
         return checkSignature(data.data(), data.size(), signature.data(), signature.size());
     }
 
     Blob encrypt(const uint8_t* data, size_t data_len) const;
-    Blob encrypt(const Blob& data) const {
+    inline Blob encrypt(const Blob& data) const {
         return encrypt(data.data(), data.size());
     }
 
@@ -160,7 +164,9 @@ struct OPENDHT_PUBLIC PrivateKey
     ~PrivateKey();
     explicit operator bool() const { return key; }
 
-    PublicKey getPublicKey() const;
+    const PublicKey& getPublicKey() const;
+    const std::shared_ptr<PublicKey>& getSharedPublicKey() const;
+
     int serialize(uint8_t* out, size_t* out_len, const std::string& password = {}) const;
     Blob serialize(const std::string& password = {}) const;
 
@@ -168,14 +174,16 @@ struct OPENDHT_PUBLIC PrivateKey
      * Sign the provided binary object.
      * @returns the signature data.
      */
-    Blob sign(const Blob&) const;
+    Blob sign(const uint8_t* data, size_t data_len) const;
+    inline Blob sign(const Blob& dat) const { return sign(dat.data(), dat.size()); }
 
     /**
      * Try to decrypt the provided cypher text.
      * In case of failure a CryptoException is thrown.
      * @returns the decrypted data.
      */
-    Blob decrypt(const Blob& cypher) const;
+    Blob decrypt(const uint8_t* cypher, size_t cypher_len) const;
+    Blob decrypt(const Blob& cypher) const { return decrypt(cypher.data(), cypher.size()); }
 
     /**
      * Generate a new RSA key pair
@@ -193,10 +201,9 @@ private:
     PrivateKey& operator=(const PrivateKey&) = delete;
     Blob decryptBloc(const uint8_t* src, size_t src_size) const;
 
-    //friend dht::crypto::Identity dht::crypto::generateIdentity(const std::string&, dht::crypto::Identity, unsigned key_length);
+    mutable std::shared_ptr<PublicKey> publicKey_ {};
 };
 
-
 class OPENDHT_PUBLIC RevocationList
 {
     using clock = std::chrono::system_clock;
@@ -309,6 +316,55 @@ private:
     gnutls_x509_crq_t request {nullptr};
 };
 
+class OPENDHT_PUBLIC OcspRequest
+{
+public:
+    OcspRequest(gnutls_ocsp_req_t r) : request(r) {};
+    OcspRequest(const uint8_t* dat_ptr, size_t dat_size);
+    ~OcspRequest();
+
+    /*
+     * Get OCSP Request in readable format.
+     */
+    std::string toString(const bool compact = true) const;
+
+    Blob pack() const;
+    Blob getNonce() const;
+private:
+    gnutls_ocsp_req_t request;
+};
+
+class OPENDHT_PUBLIC OcspResponse
+{
+public:
+    OcspResponse(const uint8_t* dat_ptr, size_t dat_size);
+    OcspResponse(const std::string& response) : OcspResponse((const uint8_t*)response.data(), response.size()) {};
+    ~OcspResponse();
+
+    Blob pack() const;
+    /*
+     * Get OCSP Response in readable format.
+     */
+    std::string toString(const bool compact = true) const;
+
+    /*
+     * Get OCSP response certificate status.
+     * Return certificate status.
+     * http://www.gnu.org/software/gnutls/reference/gnutls-ocsp.html#gnutls-ocsp-cert-status-t
+     */
+    gnutls_ocsp_cert_status_t getCertificateStatus() const;
+
+    /*
+     * Verify OCSP response and return OCSP status.
+     * Throws CryptoException in case of error in the response.
+     * http://www.gnu.org/software/gnutls/reference/gnutls-ocsp.html#gnutls-ocsp-verify-reason-t
+     */
+    gnutls_ocsp_cert_status_t verifyDirect(const Certificate& crt, const Blob& nonce);
+
+private:
+    gnutls_ocsp_resp_t response;
+};
+
 struct OPENDHT_PUBLIC Certificate {
     Certificate() noexcept {}
 
@@ -434,6 +490,8 @@ struct OPENDHT_PUBLIC Certificate {
     /** Same as getPublicKey().getLongId() */
     PkId getLongId() const;
 
+    Blob getSerialNumber() const;
+
     /** Read certificate Common Name (CN) */
     std::string getName() const;
 
@@ -483,8 +541,8 @@ struct OPENDHT_PUBLIC Certificate {
     void addRevocationList(RevocationList&&);
     void addRevocationList(std::shared_ptr<RevocationList>);
 
-    static Certificate generate(const PrivateKey& key, const std::string& name = "dhtnode", const Identity& ca = {}, bool is_ca = false);
-    static Certificate generate(const CertificateRequest& request, const Identity& ca);
+    static Certificate generate(const PrivateKey& key, const std::string& name = "dhtnode", const Identity& ca = {}, bool is_ca = false, int64_t validity = 0);
+    static Certificate generate(const CertificateRequest& request, const Identity& ca, int64_t validity = 0);
 
     gnutls_x509_crt_t getCopy() const {
         if (not cert)
@@ -527,11 +585,27 @@ struct OPENDHT_PUBLIC Certificate {
 
     gnutls_digest_algorithm_t getPreferredDigest() const;
 
+    /*
+     * Generate OCSP request.
+     * Return GnuTLS error code.
+     * https://www.gnutls.org/manual/html_node/Error-codes.html
+     */
+    std::pair<std::string, Blob> generateOcspRequest(gnutls_x509_crt_t& issuer);
+
+    /**
+     * Change certificate's expiration
+     */
+    void setValidity(const Identity& ca, int64_t validity);
+    void setValidity(const PrivateKey& key, int64_t validity);
+
     gnutls_x509_crt_t cert {nullptr};
     std::shared_ptr<Certificate> issuer {};
+    std::shared_ptr<OcspResponse> ocspResponse;
 private:
     Certificate(const Certificate&) = delete;
     Certificate& operator=(const Certificate&) = delete;
+    mutable InfoHash cachedId_ {};
+    mutable PkId cachedLongId_ {};
 
     struct crlNumberCmp {
         bool operator() (const std::shared_ptr<RevocationList>& lhs, const std::shared_ptr<RevocationList>& rhs) const {
@@ -707,8 +781,10 @@ OPENDHT_PUBLIC Blob aesEncrypt(const Blob& data, const std::string& password);
 /**
  * AES-GCM decryption.
  */
-OPENDHT_PUBLIC Blob aesDecrypt(const Blob& data, const Blob& key);
-OPENDHT_PUBLIC Blob aesDecrypt(const Blob& data, const std::string& password);
+OPENDHT_PUBLIC Blob aesDecrypt(const uint8_t* data, size_t data_length, const Blob& key);
+OPENDHT_PUBLIC inline Blob aesDecrypt(const Blob& data, const Blob& key) { return aesDecrypt(data.data(), data.size(), key); }
+OPENDHT_PUBLIC Blob aesDecrypt(const uint8_t* data, size_t data_length, const std::string& password);
+OPENDHT_PUBLIC inline Blob aesDecrypt(const Blob& data, const std::string& password) { return aesDecrypt(data.data(), data.size(), password); }
 
 }
 }

include/opendht/default_types.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
  *
  *  This program is free software; you can redistribute it and/or modify
@@ -66,8 +66,10 @@ private:
 
 public:
     virtual void unpackValue(const Value& v) override {
-        if (v.owner)
+        if (v.owner) {
+            owner = v.owner;
             from = v.owner->getId();
+        }
         BaseClass::unpackValue(v);
     }
 
@@ -75,6 +77,7 @@ public:
         return [](const Value& v){ return v.isSigned(); };
     }
 
+    Sp<crypto::PublicKey> owner;
     dht::InfoHash from;
 };
 
@@ -144,17 +147,18 @@ public:
     static const ValueType TYPE;
 
     TrustRequest() {}
-    TrustRequest(std::string s) : service(s) {}
-    TrustRequest(std::string s, const Blob& d) : service(s), payload(d) {}
+    TrustRequest(std::string s, std::string ci = {}) : service(s), conversationId(ci) {}
+    TrustRequest(std::string s, std::string ci, const Blob& d) : service(s), conversationId(ci), payload(d) {}
 
     static Value::Filter getFilter() {
         return EncryptedValue::getFilter();
     }
 
     std::string service;
+    std::string conversationId;
     Blob payload;
     bool confirm {false};
-    MSGPACK_DEFINE_MAP(service, payload, confirm)
+    MSGPACK_DEFINE_MAP(service, conversationId, payload, confirm)
 };
 
 class OPENDHT_PUBLIC IceCandidates : public EncryptedValue<IceCandidates>

include/opendht/dht.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Authors: Adrien Béraud <adrien.beraud@savoirfairelinux.com>
  *           Simon Désaulniers <simon.desaulniers@savoirfairelinux.com>
  *           Sébastien Blin <sebastien.blin@savoirfairelinux.com>
@@ -61,9 +61,6 @@ struct LocalListener;
  */
 class OPENDHT_PUBLIC Dht final : public DhtInterface {
 public:
-
-    Dht();
-
     /**
      * Initialise the Dht with two open sockets (for IPv4 and IP6)
      * and an ID for the node.
@@ -98,7 +95,7 @@ public:
     /**
      * Performs final operations before quitting.
      */
-    void shutdown(ShutdownCallback cb) override;
+    void shutdown(ShutdownCallback cb, bool stop = false) override;
 
     /**
      * Returns true if the node is running (have access to an open socket).
@@ -117,7 +114,7 @@ public:
 
     void addBootstrap(const std::string& host, const std::string& service) override {
         bootstrap_nodes.emplace_back(host, service);
-        onDisconnected();
+        startBootstrap();
     }
 
     void clearBootstrap() override {
@@ -359,6 +356,8 @@ private:
 
     static constexpr duration REANNOUNCE_MARGIN {std::chrono::seconds(10)};
 
+    static constexpr std::chrono::seconds BOOTSTRAP_PERIOD {10};
+
     static constexpr size_t TOKEN_SIZE {32};
 
     // internal structures
@@ -371,6 +370,8 @@ private:
     Dht(const Dht&) = delete;
     Dht& operator=(const Dht&) = delete;
 
+    std::mt19937_64 rd {crypto::getSeededRandomEngine<std::mt19937_64>()};
+
     InfoHash myid {};
 
     uint64_t secret {};
@@ -394,7 +395,7 @@ private:
     Kad dht6 {};
 
     std::vector<std::pair<std::string,std::string>> bootstrap_nodes {};
-    std::chrono::steady_clock::duration bootstrap_period {std::chrono::seconds(10)};
+    std::chrono::steady_clock::duration bootstrap_period {BOOTSTRAP_PERIOD};
     Sp<Scheduler::Job> bootstrapJob {};
 
     std::map<InfoHash, Storage> store;
@@ -412,7 +413,6 @@ private:
     std::map<size_t, std::tuple<size_t, size_t, size_t>> listeners {};
     size_t listener_token {1};
 
-    std::mt19937_64 rd {crypto::getSeededRandomEngine<std::mt19937_64>()};
 
     // timing
     Scheduler scheduler;
@@ -445,7 +445,7 @@ private:
     void reportedAddr(const SockAddr&);
 
     // Storage
-    void storageAddListener(const InfoHash& id, const Sp<Node>& node, size_t tid, Query&& = {});
+    void storageAddListener(const InfoHash& id, const Sp<Node>& node, size_t tid, Query&& = {}, int version = 0);
     bool storageStore(const InfoHash& id, const Sp<Value>& value, time_point created, const SockAddr& sa = {}, bool permanent = false);
     bool storageErase(const InfoHash& id, Value::Id vid);
     bool storageRefresh(const InfoHash& id, Value::Id vid);
@@ -482,6 +482,9 @@ private:
     void sendCachedPing(Bucket& b);
     bool bucketMaintenance(RoutingTable&);
     void dumpBucket(const Bucket& b, std::ostream& out) const;
+    void bootstrap();
+    void startBootstrap();
+    void stopBootstrap();
 
     // Nodes
     void onNewNode(const Sp<Node>& node, int confirm);
@@ -489,7 +492,6 @@ private:
     bool trySearchInsert(const Sp<Node>& node);
 
     // Searches
-
     inline SearchMap& searches(sa_family_t af) { return dht(af).searches; }
     inline const SearchMap& searches(sa_family_t af) const { return dht(af).searches; }
 
@@ -514,6 +516,8 @@ private:
 
     void confirmNodes();
     void expire();
+
+    void onConnected();
     void onDisconnected();
 
     /**
@@ -569,7 +573,8 @@ private:
      *
      * @param sr  The search to execute its operations.
      */
-    void searchStep(Sp<Search>);
+    void searchStep(std::weak_ptr<Search> ws);
+
     void searchSynchedNodeListen(const Sp<Search>&, SearchNode&);
 
     void dumpSearch(const Search& sr, std::ostream& out) const;
@@ -600,7 +605,8 @@ private:
             const InfoHash& hash,
             const Blob& token,
             size_t socket_id,
-            const Query& query);
+            const Query& query,
+            int version = 0);
     void onListenDone(const Sp<Node>& status,
             net::RequestAnswer& a,
             Sp<Search>& sr);

include/opendht/dht_interface.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author: Sébastien Blin <sebastien.blin@savoirfairelinux.com>
  *
  *  This program is free software; you can redistribute it and/or modify
@@ -21,6 +21,8 @@
 #include "infohash.h"
 #include "log_enable.h"
 
+#include <queue>
+
 namespace dht {
 
 namespace net {
@@ -46,6 +48,10 @@ public:
     virtual NodeStatus getStatus(sa_family_t af) const = 0;
     virtual NodeStatus getStatus() const = 0;
 
+    void addOnConnectedCallback(std::function<void()> cb) {
+        onConnectCallbacks_.emplace(std::move(cb));
+    }
+
     virtual net::DatagramSocket* getSocket() const { return {}; };
 
     /**
@@ -55,8 +61,10 @@ public:
 
     /**
      * Performs final operations before quitting.
+     * stop: if true, cancel ongoing operations and call their 'done'
+     *       callbacks synchronously.
      */
-    virtual void shutdown(ShutdownCallback cb) = 0;
+    virtual void shutdown(ShutdownCallback cb, bool stop = false) = 0;
 
     /**
      * Returns true if the node is running (have access to an open socket).
@@ -264,6 +272,7 @@ public:
 
 protected:
     std::shared_ptr<Logger> logger_ {};
+    std::queue<std::function<void()>> onConnectCallbacks_ {};
 };
 
 } // namespace dht

include/opendht/dht_proxy_client.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author: Sébastien Blin <sebastien.blin@savoirfairelinux.com>
  *          Adrien Béraud <adrien.beraud@savoirfairelinux.com>
  *          Vsevolod Ivanov <vsevolod.ivanov@savoirfairelinux.com>
@@ -85,7 +85,7 @@ public:
     /**
      * Performs final operations before quitting.
      */
-    void shutdown(ShutdownCallback cb) override;
+    void shutdown(ShutdownCallback cb, bool) override;
 
     /**
      * Returns true if the node is running (have access to an open socket).
@@ -107,13 +107,13 @@ public:
      */
     virtual void get(const InfoHash& key, GetCallback cb, DoneCallback donecb={}, Value::Filter&& f={}, Where&& w = {}) override;
     virtual void get(const InfoHash& key, GetCallback cb, DoneCallbackSimple donecb={}, Value::Filter&& f={}, Where&& w = {}) override {
-        get(key, cb, bindDoneCb(donecb), std::forward<Value::Filter>(f), std::forward<Where>(w));
+        get(key, cb, bindDoneCb(std::move(donecb)), std::forward<Value::Filter>(f), std::forward<Where>(w));
     }
     virtual void get(const InfoHash& key, GetCallbackSimple cb, DoneCallback donecb={}, Value::Filter&& f={}, Where&& w = {}) override {
-        get(key, bindGetCb(cb), donecb, std::forward<Value::Filter>(f), std::forward<Where>(w));
+        get(key, bindGetCb(cb), std::move(donecb), std::forward<Value::Filter>(f), std::forward<Where>(w));
     }
     virtual void get(const InfoHash& key, GetCallbackSimple cb, DoneCallbackSimple donecb, Value::Filter&& f={}, Where&& w = {}) override {
-        get(key, bindGetCb(cb), bindDoneCb(donecb), std::forward<Value::Filter>(f), std::forward<Where>(w));
+        get(key, bindGetCb(cb), bindDoneCb(std::move(donecb)), std::forward<Value::Filter>(f), std::forward<Where>(w));
     }
 
     /**
@@ -134,7 +134,7 @@ public:
             time_point created=time_point::max(),
             bool permanent = false) override
     {
-        put(key, v, bindDoneCb(cb), created, permanent);
+        put(key, v, bindDoneCb(std::move(cb)), created, permanent);
     }
 
     void put(const InfoHash& key,
@@ -143,7 +143,7 @@ public:
             time_point created=time_point::max(),
             bool permanent = false) override
     {
-        put(key, std::make_shared<Value>(std::move(v)), cb, created, permanent);
+        put(key, std::make_shared<Value>(std::move(v)), std::move(cb), created, permanent);
     }
     void put(const InfoHash& key,
             Value&& v,
@@ -151,7 +151,7 @@ public:
             time_point created=time_point::max(),
             bool permanent = false) override
     {
-        put(key, std::forward<Value>(v), bindDoneCb(cb), created, permanent);
+        put(key, std::forward<Value>(v), bindDoneCb(std::move(cb)), created, permanent);
     }
 
     /**
@@ -176,14 +176,14 @@ public:
     virtual size_t listen(const InfoHash&, ValueCallback, Value::Filter={}, Where={}) override;
 
     virtual size_t listen(const InfoHash& key, GetCallback cb, Value::Filter f={}, Where w={}) override {
-        return listen(key, [cb](const std::vector<Sp<Value>>& vals, bool expired){
+        return listen(key, [cb=std::move(cb)](const std::vector<Sp<Value>>& vals, bool expired){
             if (not expired)
                 return cb(vals);
             return true;
         }, std::forward<Value::Filter>(f), std::forward<Where>(w));
     }
     virtual size_t listen(const InfoHash& key, GetCallbackSimple cb, Value::Filter f={}, Where w={}) override {
-        return listen(key, bindGetCb(cb), std::forward<Value::Filter>(f), std::forward<Where>(w));
+        return listen(key, bindGetCb(std::move(cb)), std::forward<Value::Filter>(f), std::forward<Where>(w));
     }
     /*
      * This function relies on the cache implementation.
@@ -214,7 +214,7 @@ public:
      */
     virtual void query(const InfoHash& /*key*/, QueryCallback /*cb*/, DoneCallback /*done_cb*/ = {}, Query&& /*q*/ = {}) override { }
     virtual void query(const InfoHash& key, QueryCallback cb, DoneCallbackSimple done_cb = {}, Query&& q = {}) override {
-        query(key, cb, bindDoneCb(done_cb), std::forward<Query>(q));
+        query(key, cb, bindDoneCb(std::move(done_cb)), std::forward<Query>(q));
     }
 
     /**
@@ -264,11 +264,10 @@ public:
     std::vector<unsigned> getNodeMessageStats(bool) override { return {}; }
     void setStorageLimit(size_t) override {}
     void connectivityChanged(sa_family_t) override {
-        restartListeners();
+        getProxyInfos();
     }
     void connectivityChanged() override {
         getProxyInfos();
-        restartListeners();
         loopSignal_();
     }
 
@@ -338,6 +337,7 @@ private:
     NodeStats stats6_ {};
     SockAddr publicAddressV4_;
     SockAddr publicAddressV6_;
+    std::atomic_bool launchConnectedCbs_ {false};
 
     InfoHash myid {};
 
@@ -379,13 +379,13 @@ private:
      * Retrieve if we can connect to the proxy (update statusIpvX_)
      */
     void handleProxyConfirm(const asio::error_code &ec);
-    Sp<asio::steady_timer> nextProxyConfirmationTimer_;
-    Sp<asio::steady_timer> listenerRestartTimer_;
+    std::unique_ptr<asio::steady_timer> nextProxyConfirmationTimer_;
+    std::unique_ptr<asio::steady_timer> listenerRestartTimer_;
 
     /**
      * Relaunch LISTEN requests if the client disconnect/reconnect.
      */
-    void restartListeners();
+    void restartListeners(const asio::error_code &ec);
 
     /**
      * Refresh a listen via a token

include/opendht/dht_proxy_server.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author: Sébastien Blin <sebastien.blin@savoirfairelinux.com>
  *          Adrien Béraud <adrien.beraud@savoirfairelinux.com>
  *          Vsevolod Ivanov <vsevolod.ivanov@savoirfairelinux.com>
@@ -36,6 +36,15 @@
 #include <memory>
 #include <mutex>
 
+namespace dht {
+enum class PushType {
+    None = 0,
+    Android,
+    iOS
+};
+}
+MSGPACK_ADD_ENUM(dht::PushType)
+
 namespace http {
 class Request;
 struct ListenerSession;
@@ -52,6 +61,13 @@ class DhtRunner;
 using RestRouter = restinio::router::express_router_t<>;
 using RequestStatus = restinio::request_handling_status_t;
 
+struct ProxyServerConfig {
+    in_port_t port {8000};
+    std::string pushServer {};
+    std::string persistStatePath {};
+    dht::crypto::Identity identity {};
+};
+
 /**
  * Describes the REST API
  */
@@ -66,10 +82,9 @@ public:
      * @note if the server fails to start (if port is already used or reserved),
      * it will fails silently
      */
-    DhtProxyServer(
-       dht::crypto::Identity identity,
-       std::shared_ptr<DhtRunner> dht, in_port_t port = 8000, const std::string& pushServer = "",
-       std::shared_ptr<dht::Logger> logger = {});
+    DhtProxyServer(const std::shared_ptr<DhtRunner>& dht,
+        const ProxyServerConfig& config = {},
+        const std::shared_ptr<dht::Logger>& logger = {});
 
     virtual ~DhtProxyServer();
 
@@ -83,8 +98,10 @@ public:
     struct ServerStats {
         /** Current number of listen operations */
         size_t listenCount {0};
-        /** Current number of permanent put operations */
+        /** Current number of permanent put operations (hash used) */
         size_t putCount {0};
+        /** Current number of permanent put values */
+        size_t totalPermanentPuts {0};
         /** Current number of push tokens with at least one listen operation */
         size_t pushListenersCount {0};
         /** Average requests per second */
@@ -114,6 +131,7 @@ public:
             Json::Value result;
             result["listenCount"] = static_cast<Json::UInt64>(listenCount);
             result["putCount"] = static_cast<Json::UInt64>(putCount);
+            result["totalPermanentPuts"] = static_cast<Json::UInt64>(totalPermanentPuts);
             result["pushListenersCount"] = static_cast<Json::UInt64>(pushListenersCount);
             result["requestRate"] = requestRate;
             if (nodeInfo)
@@ -282,17 +300,17 @@ private:
      * @param key of the device
      * @param json, the content to send
      */
-    void sendPushNotification(const std::string& key, Json::Value&& json, bool isAndroid, bool highPriority);
+    void sendPushNotification(const std::string& key, Json::Value&& json, PushType type, bool highPriority);
 
     /**
      * Send push notification with an expire timeout.
      * @param ec
      * @param pushToken
      * @param json
-     * @param isAndroid
+     * @param type
      */
     void handleNotifyPushListenExpire(const asio::error_code &ec, const std::string pushToken,
-                                      std::function<Json::Value()> json, const bool isAndroid);
+                                      std::function<Json::Value()> json, PushType type);
 
     /**
      * Remove a push listener between a client and a hash
@@ -309,6 +327,12 @@ private:
     void handlePrintStats(const asio::error_code &ec);
     void updateStats();
 
+    template <typename Os>
+    void saveState(Os& stream);
+
+    template <typename Is>
+    void loadState(Is& is, size_t size);
+
     using clock = std::chrono::steady_clock;
     using time_point = clock::time_point;
 
@@ -316,6 +340,9 @@ private:
     std::shared_ptr<DhtRunner> dht_;
     Json::StreamWriterBuilder jsonBuilder_;
     Json::CharReaderBuilder jsonReaderBuilder_;
+    std::mt19937_64 rd {crypto::getSeededRandomEngine<std::mt19937_64>()};
+
+    std::string persistPath_;
 
     // http server
     std::thread serverThread_;
@@ -344,6 +371,7 @@ private:
     struct PushSessionContext {
         std::mutex lock;
         std::string sessionId;
+        PushSessionContext(const std::string& id) : sessionId(id) {}
     };
     struct PermanentPut {
         time_point expiration;
@@ -353,9 +381,32 @@ private:
         std::unique_ptr<asio::steady_timer> expireTimer;
         std::unique_ptr<asio::steady_timer> expireNotifyTimer;
         Sp<Value> value;
+        PushType type;
+
+        template <typename Packer>
+        void msgpack_pack(Packer& p) const
+        {
+            p.pack_map(2 + (sessionCtx ? 1 : 0) + (clientId.empty() ? 0 : 1) + (type == PushType::None ? 0 : 2));
+            p.pack("value"); p.pack(value);
+            p.pack("exp"); p.pack(to_time_t(expiration));
+            if (not clientId.empty()) {
+                p.pack("cid"); p.pack(clientId);
+            }
+            if (sessionCtx) {
+                std::lock_guard<std::mutex> l(sessionCtx->lock);
+                p.pack("sid"); p.pack(sessionCtx->sessionId);
+            }
+            if (type != PushType::None) {
+                p.pack("t"); p.pack(type);
+                p.pack("token"); p.pack(pushToken);
+            }
+        }
+
+        void msgpack_unpack(const msgpack::object& o);
     };
     struct SearchPuts {
         std::map<dht::Value::Id, PermanentPut> puts;
+        MSGPACK_DEFINE_ARRAY(puts)
     };
     std::mutex lockSearchPuts_;
     std::map<InfoHash, SearchPuts> puts_;
@@ -367,16 +418,33 @@ private:
 
 #ifdef OPENDHT_PUSH_NOTIFICATIONS
     struct Listener {
+        time_point expiration;
         std::string clientId;
         std::shared_ptr<PushSessionContext> sessionCtx;
         std::future<size_t> internalToken;
         std::unique_ptr<asio::steady_timer> expireTimer;
         std::unique_ptr<asio::steady_timer> expireNotifyTimer;
+        PushType type;
+
+        template <typename Packer>
+        void msgpack_pack(Packer& p) const
+        {
+            p.pack_map(sessionCtx ? 4 : 3);
+            p.pack("cid"); p.pack(clientId);
+            p.pack("exp"); p.pack(to_time_t(expiration));
+            if (sessionCtx) {
+                std::lock_guard<std::mutex> l(sessionCtx->lock);
+                p.pack("sid"); p.pack(sessionCtx->sessionId);
+            }
+            p.pack("t"); p.pack(type);
+        }
+
+        void msgpack_unpack(const msgpack::object& o);
     };
     struct PushListener {
         std::map<InfoHash, std::vector<Listener>> listeners;
+        MSGPACK_DEFINE_ARRAY(listeners)
     };
-    std::mutex lockPushListeners_;
     std::map<std::string, PushListener> pushListeners_;
     proxy::ListenToken tokenPushNotif_ {0};
 #endif //OPENDHT_PUSH_NOTIFICATIONS

include/opendht/dhtrunner.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Authors: Adrien Béraud <adrien.beraud@savoirfairelinux.com>
  *           Simon Désaulniers <simon.desaulniers@savoirfairelinux.com>
  *           Sébastien Blin <sebastien.blin@savoirfairelinux.com>
@@ -65,6 +65,7 @@ public:
         bool peer_publish {false};
         std::shared_ptr<dht::crypto::Certificate> server_ca;
         dht::crypto::Identity client_identity;
+        SockAddr bind4 {}, bind6 {};
     };
 
     struct Context {
@@ -73,6 +74,7 @@ public:
         std::shared_ptr<PeerDiscovery> peerDiscovery {};
         StatusCallback statusChangedCallback {};
         CertificateStoreQuery certificateStore {};
+        IdentityAnnouncedCb identityAnnouncedCb {};
         Context() {}
     };
 
@@ -97,7 +99,7 @@ public:
     template <class T>
     void get(InfoHash hash, std::function<bool(std::vector<T>&&)> cb, DoneCallbackSimple dcb={})
     {
-        get(hash, [=](const std::vector<std::shared_ptr<Value>>& vals) {
+        get(hash, [cb=std::move(cb)](const std::vector<std::shared_ptr<Value>>& vals) {
             return cb(unpackVector<T>(vals));
         },
         dcb,
@@ -106,7 +108,7 @@ public:
     template <class T>
     void get(InfoHash hash, std::function<bool(T&&)> cb, DoneCallbackSimple dcb={})
     {
-        get(hash, [=](const std::vector<std::shared_ptr<Value>>& vals) {
+        get(hash, [cb=std::move(cb)](const std::vector<std::shared_ptr<Value>>& vals) {
             for (const auto& v : vals) {
                 try {
                     if (not cb(Value::unpack<T>(*v)))
@@ -155,7 +157,7 @@ public:
     std::future<size_t> listen(InfoHash key, ValueCallback vcb, Value::Filter f = {}, Where w = {});
 
     std::future<size_t> listen(InfoHash key, GetCallback cb, Value::Filter f={}, Where w={}) {
-        return listen(key, [cb](const std::vector<Sp<Value>>& vals, bool expired){
+        return listen(key, [cb=std::move(cb)](const std::vector<Sp<Value>>& vals, bool expired){
             if (not expired)
                 return cb(vals);
             return true;
@@ -169,7 +171,7 @@ public:
     template <class T>
     std::future<size_t> listen(InfoHash hash, std::function<bool(std::vector<T>&&)> cb)
     {
-        return listen(hash, [=](const std::vector<std::shared_ptr<Value>>& vals) {
+        return listen(hash, [cb=std::move(cb)](const std::vector<std::shared_ptr<Value>>& vals) {
             return cb(unpackVector<T>(vals));
         },
         getFilterSet<T>());
@@ -177,7 +179,7 @@ public:
     template <class T>
     std::future<size_t> listen(InfoHash hash, std::function<bool(std::vector<T>&&, bool)> cb)
     {
-        return listen(hash, [=](const std::vector<std::shared_ptr<Value>>& vals, bool expired) {
+        return listen(hash, [cb=std::move(cb)](const std::vector<std::shared_ptr<Value>>& vals, bool expired) {
             return cb(unpackVector<T>(vals), expired);
         },
         getFilterSet<T>());
@@ -186,7 +188,7 @@ public:
     template <typename T>
     std::future<size_t> listen(InfoHash hash, std::function<bool(T&&)> cb, Value::Filter f = {}, Where w = {})
     {
-        return listen(hash, [=](const std::vector<std::shared_ptr<Value>>& vals) {
+        return listen(hash, [cb=std::move(cb)](const std::vector<std::shared_ptr<Value>>& vals) {
             for (const auto& v : vals) {
                 try {
                     if (not cb(Value::unpack<T>(*v)))
@@ -202,7 +204,7 @@ public:
     template <typename T>
     std::future<size_t> listen(InfoHash hash, std::function<bool(T&&, bool)> cb, Value::Filter f = {}, Where w = {})
     {
-        return listen(hash, [=](const std::vector<std::shared_ptr<Value>>& vals, bool expired) {
+        return listen(hash, [cb=std::move(cb)](const std::vector<std::shared_ptr<Value>>& vals, bool expired) {
             for (const auto& v : vals) {
                 try {
                     if (not cb(Value::unpack<T>(*v), expired))
@@ -255,12 +257,23 @@ public:
     }
     void putEncrypted(const std::string& key, InfoHash to, Value&& value, DoneCallback cb={}, bool permanent = false);
 
+    void putEncrypted(InfoHash hash, const std::shared_ptr<crypto::PublicKey>& to, std::shared_ptr<Value> value, DoneCallback cb={}, bool permanent = false);
+    void putEncrypted(InfoHash hash, const std::shared_ptr<crypto::PublicKey>& to, std::shared_ptr<Value> value, DoneCallbackSimple cb, bool permanent = false) {
+        putEncrypted(hash, to, value, bindDoneCb(cb), permanent);
+    }
+
+    void putEncrypted(InfoHash hash, const std::shared_ptr<crypto::PublicKey>& to, Value&& value, DoneCallback cb={}, bool permanent = false);
+    void putEncrypted(InfoHash hash, const std::shared_ptr<crypto::PublicKey>& to, Value&& value, DoneCallbackSimple cb, bool permanent = false) {
+        putEncrypted(hash, to, std::forward<Value>(value), bindDoneCb(cb), permanent);
+    }
+
+
     /**
      * Insert known nodes to the routing table, without necessarly ping them.
      * Usefull to restart a node and get things running fast without putting load on the network.
      */
-    void bootstrap(std::vector<SockAddr> nodes, DoneCallbackSimple&& cb={});
-    void bootstrap(const SockAddr& addr, DoneCallbackSimple&& cb={});
+    void bootstrap(std::vector<SockAddr> nodes, DoneCallbackSimple cb={});
+    void bootstrap(const SockAddr& addr, DoneCallbackSimple cb={});
 
     /**
      * Insert known nodes to the routing table, without necessarly ping them.
@@ -301,6 +314,7 @@ public:
      * Get the public key fingerprint if an identity is used with this node, 0 otherwise.
      */
     InfoHash getId() const;
+    std::shared_ptr<crypto::PublicKey> getPublicKey() const;
 
     /**
      * Get the ID of the DHT node.
@@ -359,6 +373,7 @@ public:
     std::string getSearchLog(const InfoHash&, sa_family_t af = AF_UNSPEC) const;
     std::vector<SockAddr> getPublicAddress(sa_family_t af = AF_UNSPEC);
     std::vector<std::string> getPublicAddressStr(sa_family_t af = AF_UNSPEC);
+    void getPublicAddress(std::function<void(std::vector<SockAddr>&&)>, sa_family_t af = AF_UNSPEC);
 
     // securedht methods
 
@@ -379,22 +394,12 @@ public:
         config.threaded = threaded;
         run(port, config);
     }
-    void run(in_port_t port, const Config& config, Context&& context = {});
-
-    /**
-     * @param local4: Local IPv4 address and port to bind. Can be null.
-     * @param local6: Local IPv6 address and port to bind. Can be null.
-     *         You should allways bind to a global IPv6 address.
-     * @param identity: RSA key pair to use for cryptographic operations.
-     * @param threaded: If false, loop() must be called periodically. Otherwise a thread is launched.
-     * @param cb: Optional callback to receive general state information.
-     */
-    void run(const SockAddr& local4, const SockAddr& local6, const Config& config, Context&& context = {});
+    void run(in_port_t port, Config& config, Context&& context = {});
 
     /**
      * Same as @run(sockaddr_in, sockaddr_in6, Identity, bool, StatusCallback), but with string IP addresses and service (port).
      */
-    void run(const char* ip4, const char* ip6, const char* service, const Config& config, Context&& context = {});
+    void run(const char* ip4, const char* ip6, const char* service, Config& config, Context&& context = {});
 
     void run(const Config& config, Context&& context);
 
@@ -415,7 +420,7 @@ public:
     /**
      * Gracefuly disconnect from network.
      */
-    void shutdown(ShutdownCallback cb = {});
+    void shutdown(ShutdownCallback cb = {}, bool stop = false);
 
     /**
      * Quit and wait for all threads to terminate.
@@ -451,8 +456,6 @@ public:
     void forwardAllMessages(bool forward);
 
 private:
-    static constexpr std::chrono::seconds BOOTSTRAP_PERIOD {10};
-
     enum class State {
         Idle,
         Running,
@@ -481,6 +484,7 @@ private:
 
     /** Current configuration */
     Config config_;
+    IdentityAnnouncedCb identityAnnouncedCb_;
 
     /**
      * reset dht clients

include/opendht/http.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author: Vsevolod Ivanov <vsevolod.ivanov@savoirfairelinux.com>
  *
  *  This program is free software; you can redistribute it and/or modify
@@ -72,15 +72,17 @@ using socket_t = asio::ip::tcp::socket;
 class OPENDHT_PUBLIC Url
 {
 public:
-    Url(){};
+    Url() = default;
     Url(const std::string& url);
     std::string url;
     std::string protocol {"http"};
     std::string host;
-    std::string service {"80"};
-    std::string target {"/"};
+    std::string service;
+    std::string target;
     std::string query;
     std::string fragment;
+
+    std::string toString() const;
 };
 
 class OPENDHT_PUBLIC Connection : public std::enable_shared_from_this<Connection>
@@ -94,8 +96,9 @@ public:
     inline unsigned int id() const { return  id_; };
     bool is_open() const;
     bool is_ssl() const;
+    void checkOcsp(bool check = true) { checkOcsp_ = check; }
 
-    void set_ssl_verification(const asio::ip::tcp::endpoint& endpoint, const asio::ssl::verify_mode verify_mode);
+    void set_ssl_verification(const std::string& hostname, const asio::ssl::verify_mode verify_mode);
 
     asio::streambuf& input();
     std::istream& data() { return istream_; }
@@ -141,6 +144,7 @@ private:
 
     std::unique_ptr<asio::steady_timer> timeout_timer_;
     std::shared_ptr<dht::Logger> logger_;
+    bool checkOcsp_ {false};
 };
 
 /**
@@ -226,12 +230,15 @@ public:
     using OnStatusCb = std::function<void(unsigned status_code)>;
     using OnDataCb = std::function<void(const char* at, size_t length)>;
     using OnStateChangeCb = std::function<void(State state, const Response& response)>;
-    using OnJsonCb = std::function<void(Json::Value value, unsigned status_code)>;
+    using OnJsonCb = std::function<void(Json::Value value, const Response& response)>;
     using OnDoneCb = std::function<void(const Response& response)>;
 
     // resolves implicitly
     Request(asio::io_context& ctx, const std::string& url, const Json::Value& json, OnJsonCb jsoncb,
             std::shared_ptr<dht::Logger> logger = {});
+    Request(asio::io_context& ctx, const std::string& url, OnJsonCb jsoncb,
+            std::shared_ptr<dht::Logger> logger = {});
+
     Request(asio::io_context& ctx, const std::string& url, std::shared_ptr<dht::Logger> logger = {});
     Request(asio::io_context& ctx, const std::string& host, const std::string& service,
             const bool ssl = false, std::shared_ptr<dht::Logger> logger = {});
@@ -285,10 +292,14 @@ public:
 
     void send();
 
+    /** Send and block for response */
+    const Response& await();
+
     /**
      * User action to cancel the Request and call the completion callbacks.
      */
     void cancel();
+    void terminate(const asio::error_code& ec);
 
 private:
     using OnCompleteCb = std::function<void()>;
@@ -301,6 +312,8 @@ private:
         OnStateChangeCb on_state_change;
     };
 
+    static std::string getRelativePath(const Url& origin, const std::string& path);
+
     void notify_state_change(State state);
 
     void build();
@@ -313,8 +326,6 @@ private:
 
     void connect(std::vector<asio::ip::tcp::endpoint>&& endpoints, HandlerCb cb = {});
 
-    void terminate(const asio::error_code& ec);
-
     void post();
 
     void handle_request(const asio::error_code& ec);
@@ -364,15 +375,3 @@ private:
 } // namespace http
 } // namespace dht
 
-#ifdef OPENDHT_PROXY_HTTP_PARSER_FORK
-namespace restinio
-{
-/* Custom HTTP-methods for RESTinio > 0.5.0.
- * https://github.com/Stiffstream/restinio/issues/26
- */
-constexpr const restinio::http_method_id_t method_listen {HTTP_LISTEN, "LISTEN"};
-constexpr const restinio::http_method_id_t method_stats {HTTP_STATS, "STATS"};
-constexpr const restinio::http_method_id_t method_sign {HTTP_SIGN, "SIGN"};
-constexpr const restinio::http_method_id_t method_encrypt {HTTP_ENCRYPT, "ENCRYPT"};
-} // namespace restinio
-#endif

include/opendht/indexation/pht.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author(s) : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
  *              Simon Désaulniers <simon.desaulniers@savoirfairelinux.com>
  *              Nicolas Reynaud <nicolas.reynaud@savoirfairelinux.com>
@@ -335,7 +335,7 @@ public:
     void lookup(Key k, LookupCallback cb = {}, DoneCallbackSimple done_cb = {}, bool exact_match = true);
     void lookup(Key k, LookupCallbackSimple cb = {}, DoneCallbackSimple done_cb = {}, bool exact_match = true)
     {
-        lookup(k, [=](std::vector<std::shared_ptr<Value>>& values, Prefix) { cb(values); }, done_cb, exact_match);
+        lookup(k, [cb=std::move(cb)](std::vector<std::shared_ptr<Value>>& values, Prefix) { cb(values); }, done_cb, exact_match);
     }
 
     /**

include/opendht/infohash.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
  *
  *  This program is free software; you can redistribute it and/or modify
@@ -40,10 +40,12 @@ typedef uint16_t in_port_t;
 #include <iomanip>
 #include <array>
 #include <vector>
+#include <string_view>
 #include <algorithm>
 #include <stdexcept>
 #include <sstream>
 #include <cstring>
+#include <cstddef>
 
 namespace dht {
 
@@ -54,9 +56,9 @@ namespace crypto {
 }
 
 /**
- * Represents an InfoHash.
- * An InfoHash is a byte array of HASH_LEN bytes.
- * InfoHashes identify nodes and values in the Dht.
+ * Represents an Hash,
+ * a byte array of N bytes.
+ * Hashes identify nodes and values in the Dht.
  */
 template <size_t N>
 class OPENDHT_PUBLIC Hash {
@@ -65,10 +67,10 @@ public:
     typedef typename T::iterator iterator;
     typedef typename T::const_iterator const_iterator;
 
-    Hash () noexcept {
+    Hash() noexcept {
         data_.fill(0);
     }
-    Hash (const uint8_t* h, size_t data_len) {
+    Hash(const uint8_t* h, size_t data_len) {
         if (data_len < N)
             data_.fill(0);
         else
@@ -79,7 +81,12 @@ public:
      * hex must be at least 2.HASH_LEN characters long.
      * If too long, only the first 2.HASH_LEN characters are read.
      */
-    explicit Hash(const std::string& hex);
+    explicit Hash(std::string_view hex) {
+        if (hex.size() < 2*N)
+            data_.fill(0);
+        else
+            fromString(hex.data());
+    }
 
     Hash(const msgpack::object& o) {
         msgpack_unpack(o);
@@ -93,6 +100,8 @@ public:
     iterator end() { return data_.end(); }
     const_iterator cend() const { return data_.cend(); }
 
+    static constexpr inline Hash zero() noexcept { return Hash{}; }
+
     bool operator==(const Hash& h) const {
         auto a = reinterpret_cast<const uint32_t*>(data_.data());
         auto b = reinterpret_cast<const uint32_t*>(h.data_.data());
@@ -112,6 +121,14 @@ public:
         return false;
     }
 
+    Hash operator^(const Hash& o) const {
+        Hash result;
+        for(auto i = 0u; i < N; i++) {
+            result[i] = data_[i] ^ o.data_[i];
+        }
+        return result;
+    }
+
     explicit operator bool() const {
         auto a = reinterpret_cast<const uint32_t*>(data_.data());
         auto b = reinterpret_cast<const uint32_t*>(data_.data() + N);
@@ -142,10 +159,6 @@ public:
         return 8 * i + j;
     }
 
-    /**
-     * Forget about the ``XOR-metric''.  An id is just a path from the
-     * root of the tree, so bits are numbered from the start.
-     */
     static inline int cmp(const Hash& id1, const Hash& id2) {
         return std::memcmp(id1.data_.data(), id2.data_.data(), N);
     }
@@ -179,16 +192,12 @@ public:
     int
     xorCmp(const Hash& id1, const Hash& id2) const
     {
-        for(unsigned i = 0; i < N; i++) {
-            uint8_t xor1, xor2;
+        for (unsigned i = 0; i < N; i++) {
             if(id1.data_[i] == id2.data_[i])
                 continue;
-            xor1 = id1.data_[i] ^ data_[i];
-            xor2 = id2.data_[i] ^ data_[i];
-            if(xor1 < xor2)
-                return -1;
-            else
-                return 1;
+            uint8_t xor1 = id1.data_[i] ^ data_[i];
+            uint8_t xor2 = id2.data_[i] ^ data_[i];
+            return (xor1 < xor2) ? -1 : 1;
         }
         return 0;
     }
@@ -217,7 +226,7 @@ public:
         return v;
     }
 
-    static inline Hash get(const std::string& data) {
+    static inline Hash get(std::string_view data) {
         return get((const uint8_t*)data.data(), data.size());
     }
 
@@ -237,6 +246,9 @@ public:
 
     static Hash getRandom();
 
+    template <typename Rd>
+    static Hash getRandom(Rd&);
+
     template <size_t M>
     OPENDHT_PUBLIC friend std::ostream& operator<< (std::ostream& s, const Hash<M>& h);
 
@@ -286,14 +298,6 @@ std::istream& operator>> (std::istream& s, Hash<N>& h)
     return s;
 }
 
-template <size_t N>
-Hash<N>::Hash(const std::string& hex) {
-    if (hex.size() < 2*N)
-        data_.fill(0);
-    else
-        fromString(hex.c_str());
-}
-
 template <size_t N>
 void
 Hash<N>::fromString(const char* in) {
@@ -324,7 +328,20 @@ Hash<N>::getRandom()
     return h;
 }
 
-struct HexMap : public std::array<std::array<char, 2>, 256> {
+template <size_t N>
+template <typename Rd>
+Hash<N>
+Hash<N>::getRandom(Rd& rdev)
+{
+    Hash h;
+    std::uniform_int_distribution<uint32_t> rand_int;
+    auto a = reinterpret_cast<uint32_t*>(h.data());
+    auto b = reinterpret_cast<uint32_t*>(h.data() + h.size());
+    std::generate(a, b, std::bind(rand_int, std::ref(rdev)));
+    return h;
+}
+
+struct alignas(std::max_align_t) HexMap : public std::array<std::array<char, 2>, 256> {
     HexMap() {
         for (size_t i=0; i<size(); i++) {
             auto& e = (*this)[i];
@@ -338,11 +355,27 @@ private:
 
 OPENDHT_PUBLIC extern const HexMap hex_map;
 
+inline std::string
+toHex(const uint8_t* data, size_t size) {
+    std::string ret(size * 2, '\0');
+    for (size_t i=0; i<size; i++) {
+        auto b = ret.data()+i*2;
+        const auto& m = hex_map[data[i]];
+        *((uint16_t*)b) = *((uint16_t*)&m);
+    }
+    return ret;
+}
+
+inline std::string
+toHex(const std::vector<uint8_t>& data) {
+    return toHex(data.data(), data.size());
+}
+
 template <size_t N>
 const char*
 Hash<N>::to_c_str() const
 {
-    thread_local std::array<char, N*2+1> buf;
+    alignas(std::max_align_t) thread_local std::array<char, N*2+1> buf;
     for (size_t i=0; i<N; i++) {
         auto b = buf.data()+i*2;
         const auto& m = hex_map[data_[i]];
@@ -358,8 +391,6 @@ Hash<N>::toString() const
     return std::string(to_c_str(), N*2);
 }
 
-const InfoHash zeroes {};
-
 struct OPENDHT_PUBLIC NodeExport {
     InfoHash id;
     sockaddr_storage ss;

include/opendht/log.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *
  *  Author: Adrien Béraud <adrien.beraud@savoirfairelinux.com>
  *

include/opendht/log_enable.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
  *
  *  This program is free software; you can redistribute it and/or modify
@@ -82,13 +82,13 @@ private:
 };
 
 struct Logger {
-    LogMethod DBG = {};
-    LogMethod WARN = {};
     LogMethod ERR = {};
+    LogMethod WARN = {};
+    LogMethod DBG = {};
 
     Logger() = default;
     Logger(LogMethod&& err, LogMethod&& warn, LogMethod&& dbg)
-        : DBG(std::move(dbg)), WARN(std::move(warn)), ERR(std::move(err)) {}
+        : ERR(std::move(err)), WARN(std::move(warn)), DBG(std::move(dbg)) {}
     void setFilter(const InfoHash& f) {
         filter_ = f;
         filterEnable_ = static_cast<bool>(filter_);

include/opendht/network_engine.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author(s) : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
  *              Simon Désaulniers <simon.desaulniers@savoirfairelinux.com>
  *
@@ -180,7 +180,8 @@ private:
             const InfoHash&,
             const Blob&,
             Tid,
-            const Query&)> onListen {};
+            const Query&,
+            int)> onListen {};
     /**
      * Called on announce request.
      *
@@ -210,9 +211,9 @@ private:
 
 public:
     using RequestCb = std::function<void(const Request&, RequestAnswer&&)>;
+    using RequestErrorCb = std::function<bool(const Request&, DhtProtocolException&&)>;
     using RequestExpiredCb = std::function<void(const Request&, bool)>;
 
-    NetworkEngine(const Sp<Logger>& log, std::mt19937_64& rd, Scheduler& scheduler, std::unique_ptr<DatagramSocket>&& sock);
     NetworkEngine(
             InfoHash& myid,
             NetworkConfig config,
@@ -237,9 +238,10 @@ public:
     void clear();
 
     /**
-     * Sends values (with closest nodes) to a listenner.
+     * Sends values (with closest nodes) to a listener.
      *
-     * @param sa          The address of the listenner.
+     * @deprecated
+     * @param sa          The address of the listener.
      * @param sslen       The length of the sockaddr structure.
      * @param socket_id  The tid to use to write to the request socket.
      * @param hash        The hash key of the value.
@@ -248,13 +250,14 @@ public:
      * @param nodes       The ipv4 closest nodes.
      * @param nodes6      The ipv6 closest nodes.
      * @param values      The values to send.
+     * @param version     If version = 1, a request will be used to answer to the listener
      */
     void tellListener(Sp<Node> n, Tid socket_id, const InfoHash& hash, want_t want, const Blob& ntoken,
             std::vector<Sp<Node>>&& nodes, std::vector<Sp<Node>>&& nodes6,
-            std::vector<Sp<Value>>&& values, const Query& q);
+            std::vector<Sp<Value>>&& values, const Query& q, int version);
 
-    void tellListenerRefreshed(Sp<Node> n, Tid socket_id, const InfoHash& hash, const Blob& ntoken, const std::vector<Value::Id>& values);
-    void tellListenerExpired(Sp<Node> n, Tid socket_id, const InfoHash& hash, const Blob& ntoken, const std::vector<Value::Id>& values);
+    void tellListenerRefreshed(Sp<Node> n, Tid socket_id, const InfoHash& hash, const Blob& ntoken, const std::vector<Value::Id>& values, int version);
+    void tellListenerExpired(Sp<Node> n, Tid socket_id, const InfoHash& hash, const Blob& ntoken, const std::vector<Value::Id>& values, int version);
 
     bool isRunning(sa_family_t af) const;
     inline want_t want () const { return dht_socket->hasIPv4() and dht_socket->hasIPv6() ? (WANT4 | WANT6) : -1; }
@@ -289,7 +292,7 @@ public:
      */
     Sp<Request>
     sendPing(SockAddr&& sa, RequestCb&& on_done, RequestExpiredCb&& on_expired) {
-        return sendPing(std::make_shared<Node>(zeroes, std::move(sa), rd),
+        return sendPing(std::make_shared<Node>(InfoHash::zero(), std::move(sa), rd),
                 std::forward<RequestCb>(on_done),
                 std::forward<RequestExpiredCb>(on_expired));
     }
@@ -358,10 +361,9 @@ public:
                            const InfoHash& hash,
                            const Query& query,
                            const Blob& token,
-                           Sp<Request> previous,
+                           Tid socketId,
                            RequestCb&& on_done,
-                           RequestExpiredCb&& on_expired,
-                           SocketCb&& socket_cb);
+                           RequestExpiredCb&& on_expired);
     /**
      * Send a "announce" request to a given node.
      *
@@ -400,7 +402,26 @@ public:
                                  const Value::Id& vid,
                                  const Blob& token,
                                  RequestCb&& on_done,
+                                 RequestErrorCb&& on_error,
                                  RequestExpiredCb&& on_expired);
+    /**
+     * Send a "update" request to a given node. Used for Listen operations
+     *
+     * @param n           The node.
+     * @param hash        The target hash.
+     * @param values      The values.
+     * @param created     Time id.
+     * @param token       A security token.
+     * @param sid         The socket id.
+     *
+     * @return the request with information concerning its success.
+     */
+    Sp<Request> sendUpdateValues(Sp<Node> n,
+                                 const InfoHash& infohash,
+                                 const std::vector<Sp<Value>>& values,
+                                 time_point created,
+                                 const Blob& token,
+                                 const size_t& sid);
 
     /**
      * Parses a message and calls appropriate callbacks.
@@ -413,8 +434,8 @@ public:
      */
     void processMessage(const uint8_t *buf, size_t buflen, SockAddr addr);
 
-    Sp<Node> insertNode(const InfoHash& myid, const SockAddr& addr) {
-        auto n = cache.getNode(myid, addr, scheduler.time(), 0);
+    Sp<Node> insertNode(const InfoHash& id, const SockAddr& addr) {
+        auto n = cache.getNode(id, addr, scheduler.time(), 0);
         onNewNode(n, 0);
         return n;
     }
@@ -490,19 +511,20 @@ private:
     void sendRequest(const Sp<Request>& request);
 
     struct MessageStats {
-        unsigned ping    {0};
-        unsigned find    {0};
-        unsigned get     {0};
-        unsigned put     {0};
-        unsigned listen  {0};
-        unsigned refresh {0};
+        unsigned ping         {0};
+        unsigned find         {0};
+        unsigned get          {0};
+        unsigned put          {0};
+        unsigned listen       {0};
+        unsigned refresh      {0};
+        unsigned updateValue  {0};
     };
 
 
     // basic wrapper for socket sendto function
     int send(const SockAddr& addr, const char *buf, size_t len, bool confirmed = false);
 
-    void sendValueParts(const TransId& tid, const std::vector<Blob>& svals, const SockAddr& addr);
+    void sendValueParts(Tid tid, const std::vector<Blob>& svals, const SockAddr& addr);
     std::vector<Blob> packValueHeader(msgpack::sbuffer&, const std::vector<Sp<Value>>&);
     void maintainRxBuffer(Tid tid);
 

include/opendht/network_utils.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author(s) : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
  *
  *  This program is free software; you can redistribute it and/or modify

include/opendht/node.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author(s) : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
  *              Simon Désaulniers <simon.desaulniers@savoirfairelinux.com>
  *

include/opendht/node_cache.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author(s) : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
  *
  *  This program is free software; you can redistribute it and/or modify

include/opendht/peer_discovery.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author(s) : Mingrui Zhang <mingrui.zhang@savoirfairelinux.com>
  *              Vsevolod Ivanov <vsevolod.ivanov@savoirfairelinux.com>
  *

include/opendht/proxy.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author: Adrien Béraud <adrien.beraud@savoirfairelinux.com>
  *
  *  This program is free software; you can redistribute it and/or modify

include/opendht/rate_limiter.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
  *
  *  This program is free software; you can redistribute it and/or modify

include/opendht/rng.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
  *
  *  This program is free software; you can redistribute it and/or modify
@@ -21,6 +21,8 @@
 #include <random>
 #include <algorithm>
 #include <functional>
+#include <thread>
+#include <stdexcept>
 
 namespace dht {
 namespace crypto {
@@ -111,11 +113,18 @@ using random_device = std::random_device;
 template<class T = std::mt19937, std::size_t N = T::state_size>
 auto getSeededRandomEngine () -> typename std::enable_if<!!N, T>::type {
     typename T::result_type random_data[N];
-    random_device source;
-    std::generate(std::begin(random_data), std::end(random_data), std::ref(source));
-    std::seed_seq seeds(std::begin(random_data), std::end(random_data));
-    T seededEngine (seeds);
-    return seededEngine;
+    for (unsigned i=0; i<256; i++) {
+        try {
+            random_device source;
+            std::generate(std::begin(random_data), std::end(random_data), std::ref(source));
+            std::seed_seq seeds(std::begin(random_data), std::end(random_data));
+            T seededEngine (seeds);
+            return seededEngine;
+        } catch (...) {
+            std::this_thread::sleep_for(std::chrono::milliseconds(1));
+        }
+    }
+    throw std::runtime_error("Can't seed random engine");
 }
 
 }} // dht::crypto

include/opendht/routing_table.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author(s) : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
  *              Simon Désaulniers <simon.desaulniers@savoirfairelinux.com>
  *

include/opendht/scheduler.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author(s) : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
  *              Simon Désaulniers <simon.desaulniers@savoirfairelinux.com>
  *
@@ -36,8 +36,9 @@ namespace dht {
 class Scheduler {
 public:
     struct Job {
-        Job(std::function<void()>&& f) : do_(std::move(f)) {}
+        Job(std::function<void()>&& f, time_point t) : do_(std::move(f)), t_(t) {}
         std::function<void()> do_;
+        const time_point t_;
         void cancel() { do_ = {}; }
     };
 
@@ -50,17 +51,12 @@ public:
      * @return pointer to the newly scheduled job.
      */
     Sp<Scheduler::Job> add(time_point t, std::function<void()>&& job_func) {
-        auto job = std::make_shared<Job>(std::move(job_func));
+        auto job = std::make_shared<Job>(std::move(job_func), t);
         if (t != time_point::max())
             timers.emplace(std::move(t), job);
         return job;
     }
 
-    void add(const Sp<Scheduler::Job>& job, time_point t) {
-        if (t != time_point::max())
-            timers.emplace(std::move(t), job);
-    }
-
     /**
      * Reschedules a job.
      *
@@ -68,16 +64,29 @@ public:
      * @param t  The time at which the job shall be rescheduled.
      */
     void edit(Sp<Scheduler::Job>& job, time_point t) {
-        if (not job) {
+        if (not job)
             return;
-        }
         // std::function move doesn't garantee to leave the object empty.
         // Force clearing old value.
         auto task = std::move(job->do_);
-        job->do_ = {};
+        cancel(job);
         job = add(t, std::move(task));
     }
 
+    bool cancel(Sp<Scheduler::Job>& job) {
+        if (job) {
+            job->cancel();
+            for (auto r = timers.equal_range(job->t_); r.first != r.second; ++r.first) {
+                if (r.first->second == job) {
+                    timers.erase(r.first);
+                    job.reset();
+                    return true;
+                }
+            }
+        }
+        return false;
+    }
+
     /**
      * Runs the jobs to do up to now.
      *

include/opendht/securedht.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Authors: Adrien Béraud <adrien.beraud@savoirfairelinux.com>
  *           Simon Désaulniers <simon.desaulniers@savoirfairelinux.com>
  *           Sébastien Blin <sebastien.blin@savoirfairelinux.com>
@@ -45,15 +45,13 @@ public:
         return c;
     }
 
-    SecureDht() {}
-
     /**
      * s, s6: bound socket descriptors for IPv4 and IPv6, respectively.
      *        For the Dht to be initialised, at least one of them must be >= 0.
      * id:    the identity to use for the crypto layer and to compute
      *        our own hash on the Dht.
      */
-    SecureDht(std::unique_ptr<DhtInterface> dht, Config config);
+    SecureDht(std::unique_ptr<DhtInterface> dht, Config config, IdentityAnnouncedCb iacb = {}, const std::shared_ptr<Logger>& l = {});
 
     virtual ~SecureDht();
 
@@ -63,6 +61,9 @@ public:
     PkId getLongId() const {
         return key_ ? key_->getPublicKey().getLongId() : PkId();
     }
+    Sp<crypto::PublicKey> getPublicKey() const {
+        return key_ ? key_->getSharedPublicKey() : Sp<crypto::PublicKey>{};
+    }
 
     ValueType secureType(ValueType&& type);
 
@@ -117,6 +118,10 @@ public:
     void putEncrypted(const InfoHash& hash, const InfoHash& to, Value&& v, DoneCallback callback, bool permanent = false) {
         putEncrypted(hash, to, std::make_shared<Value>(std::move(v)), callback, permanent);
     }
+    void putEncrypted(const InfoHash& hash, const crypto::PublicKey& to, Sp<Value> val, DoneCallback callback, bool permanent = false);
+    void putEncrypted(const InfoHash& hash, const crypto::PublicKey& to, Value&& v, DoneCallback callback, bool permanent = false) {
+        putEncrypted(hash, to, std::make_shared<Value>(std::move(v)), callback, permanent);
+    }
 
     /**
      * Take ownership of the value and sign it using our private key.
@@ -128,13 +133,13 @@ public:
     Value decrypt(const Value& v);
 
     void findCertificate(const InfoHash& node, const std::function<void(const Sp<crypto::Certificate>)>& cb);
-    void findPublicKey(const InfoHash& node, const std::function<void(const Sp<const crypto::PublicKey>)>& cb);
+    void findPublicKey(const InfoHash& node, const std::function<void(const Sp<crypto::PublicKey>)>& cb);
 
-    const Sp<crypto::Certificate> registerCertificate(const InfoHash& node, const Blob& cert);
+    Sp<crypto::Certificate> registerCertificate(const InfoHash& node, const Blob& cert);
     void registerCertificate(Sp<crypto::Certificate>& cert);
 
-    const Sp<crypto::Certificate> getCertificate(const InfoHash& node) const;
-    const Sp<const crypto::PublicKey> getPublicKey(const InfoHash& node) const;
+    Sp<crypto::Certificate> getCertificate(const InfoHash& node) const;
+    Sp<crypto::PublicKey> getPublicKey(const InfoHash& node) const;
 
     /**
      * Allows to set a custom callback called by the library to find a locally-stored certificate.
@@ -148,8 +153,8 @@ public:
     /**
      * SecureDht to Dht proxy
      */
-    void shutdown(ShutdownCallback cb) override {
-        dht_->shutdown(cb);
+    void shutdown(ShutdownCallback cb, bool stop = false) override {
+        dht_->shutdown(cb, stop);
     }
     void dumpTables() const override {
         dht_->dumpTables();
@@ -356,7 +361,7 @@ private:
 
     // our certificate cache
     std::map<InfoHash, Sp<crypto::Certificate>> nodesCertificates_ {};
-    std::map<InfoHash, Sp<const crypto::PublicKey>> nodesPubKeys_ {};
+    std::map<InfoHash, Sp<crypto::PublicKey>> nodesPubKeys_ {};
 
     std::atomic_bool forward_all_ {false};
     bool enableCache_ {false};

include/opendht/sockaddr.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
  *
  *  This program is free software; you can redistribute it and/or modify
@@ -68,7 +68,7 @@ public:
      * Build from existing address.
      */
     SockAddr(const sockaddr* sa, socklen_t length) {
-        if (length > sizeof(sockaddr_storage))
+        if (length > static_cast<socklen_t>(sizeof(sockaddr_storage)))
             throw std::runtime_error("Socket address length is too large");
         set(sa, length);
     }
@@ -144,7 +144,7 @@ public:
             if (len) addr.reset((sockaddr*)::calloc(len, 1));
             else     addr.reset();
         }
-        if (len > sizeof(sa_family_t))
+        if (len)
             addr->sa_family = af;
     }
 
@@ -223,16 +223,16 @@ public:
      */
     sockaddr* get() { return addr.get(); }
 
-    const sockaddr_in& getIPv4() const {
+    inline const sockaddr_in& getIPv4() const {
         return *reinterpret_cast<const sockaddr_in*>(get());
     }
-    const sockaddr_in6& getIPv6() const {
+    inline const sockaddr_in6& getIPv6() const {
         return *reinterpret_cast<const sockaddr_in6*>(get());
     }
-    sockaddr_in& getIPv4() {
+    inline sockaddr_in& getIPv4() {
         return *reinterpret_cast<sockaddr_in*>(get());
     }
-    sockaddr_in6& getIPv6() {
+    inline sockaddr_in6& getIPv6() {
         return *reinterpret_cast<sockaddr_in6*>(get());
     }
 

include/opendht/thread_pool.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *
  *  Author: Adrien Béraud <adrien.beraud@savoirfairelinux.com>
  *
@@ -27,6 +27,8 @@
 #include <future>
 #include <functional>
 
+#include <ciso646> // fix windows compiler bug
+
 namespace dht {
 
 class OPENDHT_PUBLIC ThreadPool {
@@ -63,15 +65,14 @@ public:
     void join();
 
 private:
-    struct ThreadState;
-    std::queue<std::function<void()>> tasks_ {};
-    std::vector<std::unique_ptr<ThreadState>> threads_;
-    unsigned readyThreads_ {0};
     std::mutex lock_ {};
     std::condition_variable cv_ {};
+    std::queue<std::function<void()>> tasks_ {};
+    std::vector<std::unique_ptr<std::thread>> threads_;
+    unsigned readyThreads_ {0};
+    bool running_ {true};
 
     const unsigned maxThreads_;
-    bool running_ {true};
 };
 
 class OPENDHT_PUBLIC Executor : public std::enable_shared_from_this<Executor> {
@@ -93,4 +94,71 @@ private:
     void schedule();
 };
 
+class OPENDHT_PUBLIC ExecutionContext {
+public:
+    ExecutionContext(ThreadPool& pool)
+     : threadPool_(pool), state_(std::make_shared<SharedState>())
+    {}
+
+    ~ExecutionContext() {
+        state_->destroy();
+    }
+
+    /** Wait for ongoing tasks to complete execution and drop other pending tasks */
+    void stop() {
+        state_->destroy(false);
+    }
+
+    void run(std::function<void()>&& task) {
+        std::lock_guard<std::mutex> lock(state_->mtx);
+        if (state_->shutdown_) return;
+        state_->pendingTasks++;
+        threadPool_.get().run([task = std::move(task), state = state_] {
+            state->run(task);
+        });
+    }
+
+private:
+    struct SharedState {
+        std::mutex mtx {};
+        std::condition_variable cv {};
+        unsigned pendingTasks {0};
+        unsigned ongoingTasks {0};
+        /** When true, prevents new tasks to be scheduled */
+        bool shutdown_ {false};
+        /** When true, prevents scheduled tasks to be executed */
+        std::atomic_bool destroyed {false};
+
+        void destroy(bool wait = true) {
+            std::unique_lock<std::mutex> lock(mtx);
+            if (destroyed) return;
+            if (wait) {
+                cv.wait(lock, [this] { return pendingTasks == 0 && ongoingTasks == 0; });
+            }
+            shutdown_ = true;
+            if (not wait) {
+                cv.wait(lock, [this] { return ongoingTasks == 0; });
+            }
+            destroyed = true;
+        }
+
+        void run(const std::function<void()>& task) {
+            {
+                std::lock_guard<std::mutex> lock(mtx);
+                pendingTasks--;
+                ongoingTasks++;
+            }
+                if (destroyed) return;
+                task();
+            {
+                std::lock_guard<std::mutex> lock(mtx);
+                ongoingTasks--;
+                cv.notify_all();
+            }
+        }
+    };
+    std::reference_wrapper<ThreadPool> threadPool_;
+    std::shared_ptr<SharedState> state_;
+};
+
 }

include/opendht/utils.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
  *
  *  This program is free software; you can redistribute it and/or modify
@@ -173,7 +173,13 @@ unpackMsg(Blob b) {
 
 msgpack::unpacked unpackMsg(Blob b);
 
-msgpack::object* findMapValue(const msgpack::object& map, const char* key);
-msgpack::object* findMapValue(const msgpack::object& map, const std::string& key);
+msgpack::object* findMapValue(const msgpack::object& map, const char* key, size_t length);
+
+inline msgpack::object* findMapValue(const msgpack::object& map, const char* key) {
+    return findMapValue(map, key, strlen(key));
+}
+inline msgpack::object* findMapValue(const msgpack::object& map, std::string_view key) {
+    return findMapValue(map, key.data(), key.size());
+}
 
 } // namespace dht

include/opendht/value.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author(s) : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
  *              Simon Désaulniers <simon.desaulniers@savoirfairelinux.com>
  *
@@ -27,6 +27,7 @@
 #include <msgpack.hpp>
 
 #include <string>
+#include <string_view>
 #include <sstream>
 #include <bitset>
 #include <vector>
@@ -42,8 +43,9 @@
 #endif
 
 namespace dht {
+using namespace std::literals;
 
-static const std::string VALUE_KEY_ID("id");
+static constexpr auto VALUE_KEY_ID("id");
 static const std::string VALUE_KEY_DAT("dat");
 static const std::string VALUE_KEY_PRIO("p");
 static const std::string VALUE_KEY_SIGNATURE("sig");
@@ -117,7 +119,7 @@ struct OPENDHT_PUBLIC ValueType {
 
     Id id {0};
     std::string name {};
-    duration expiration {60 * 10};
+    duration expiration {std::chrono::minutes(10)};
     StorePolicy storePolicy {DEFAULT_STORE_POLICY};
     EditPolicy editPolicy {DEFAULT_EDIT_POLICY};
 };
@@ -205,7 +207,7 @@ struct OPENDHT_PUBLIC Value
         }
         static Filter chainOr(Filter&& f1, Filter&& f2) {
             if (not f1 or not f2) return {};
-            return [f1,f2](const Value& v) {
+            return [f1=std::move(f1),f2=std::move(f2)](const Value& v) {
                 return f1(v) or f2(v);
             };
         }
@@ -231,8 +233,7 @@ struct OPENDHT_PUBLIC Value
     }
 
     static Filter TypeFilter(const ValueType& t) {
-        const auto tid = t.id;
-        return [tid](const Value& v) {
+        return [tid = t.id](const Value& v) {
             return v.type == tid;
         };
     }
@@ -270,8 +271,8 @@ struct OPENDHT_PUBLIC Value
         };
     }
 
-    static Filter UserTypeFilter(const std::string& ut) {
-        return [ut](const Value& v) {
+    static Filter UserTypeFilter(std::string ut) {
+        return [ut = std::move(ut)](const Value& v) {
             return v.user_type == ut;
         };
     }
@@ -357,7 +358,7 @@ struct OPENDHT_PUBLIC Value
     void sign(const crypto::PrivateKey& key) {
         if (isEncrypted())
             throw DhtException("Can't sign encrypted data.");
-        owner = std::make_shared<const crypto::PublicKey>(key.getPublicKey());
+        owner = key.getSharedPublicKey();
         signature = key.sign(getToSign());
     }
 
@@ -369,8 +370,8 @@ struct OPENDHT_PUBLIC Value
         return isSigned() and owner->checkSignature(getToSign(), signature);
     }
 
-    std::shared_ptr<const crypto::PublicKey> getOwner() const {
-        return std::static_pointer_cast<const crypto::PublicKey>(owner);
+    std::shared_ptr<crypto::PublicKey> getOwner() const {
+        return std::static_pointer_cast<crypto::PublicKey>(owner);
     }
 
     /**
@@ -595,7 +596,7 @@ struct OPENDHT_PUBLIC Value
     /**
      * Public key of the signer.
      */
-    std::shared_ptr<const crypto::PublicKey> owner {};
+    std::shared_ptr<crypto::PublicKey> owner {};
 
     /**
      * Hash of the recipient (optional).
@@ -660,7 +661,7 @@ struct OPENDHT_PUBLIC FieldValue
     FieldValue() {}
     FieldValue(Value::Field f, uint64_t int_value) : field(f), intValue(int_value) {}
     FieldValue(Value::Field f, InfoHash hash_value) : field(f), hashValue(hash_value) {}
-    FieldValue(Value::Field f, Blob blob_value) : field(f), blobValue(blob_value) {}
+    FieldValue(Value::Field f, Blob blob_value) : field(f), blobValue(std::move(blob_value)) {}
 
     bool operator==(const FieldValue& fd) const;
 
@@ -673,9 +674,9 @@ struct OPENDHT_PUBLIC FieldValue
     template <typename Packer>
     void msgpack_pack(Packer& p) const {
         p.pack_map(2);
-        p.pack(std::string("f")); p.pack(static_cast<uint8_t>(field));
+        p.pack("f"sv); p.pack(static_cast<uint8_t>(field));
 
-        p.pack(std::string("v"));
+        p.pack("v"sv);
         switch (field) {
             case Value::Field::Id:
             case Value::Field::ValueType:
@@ -697,12 +698,12 @@ struct OPENDHT_PUBLIC FieldValue
         hashValue = {};
         blobValue.clear();
 
-        if (auto f = findMapValue(msg, "f"))
+        if (auto f = findMapValue(msg, "f"sv))
             field = (Value::Field)f->as<unsigned>();
         else
             throw msgpack::type_error();
 
-        auto v = findMapValue(msg, "v");
+        auto v = findMapValue(msg, "v"sv);
         if (not v)
             throw msgpack::type_error();
         else
@@ -742,7 +743,7 @@ private:
 struct OPENDHT_PUBLIC Select
 {
     Select() { }
-    Select(const std::string& q_str);
+    Select(std::string_view q_str);
 
     bool isSatisfiedBy(const Select& os) const;
 
@@ -797,7 +798,7 @@ private:
 struct OPENDHT_PUBLIC Where
 {
     Where() { }
-    Where(const std::string& q_str);
+    Where(std::string_view q_str);
 
     bool isSatisfiedBy(const Where& where) const;
 
@@ -864,7 +865,7 @@ struct OPENDHT_PUBLIC Where
      *
      * @return the resulting Where instance.
      */
-    Where& userType(std::string user_type) {
+    Where& userType(std::string_view user_type) {
         FieldValue fv {Value::Field::UserType, Blob {user_type.begin(), user_type.end()}};
         if (std::find(filters_.begin(), filters_.end(), fv) == filters_.end())
             filters_.emplace_back(std::move(fv));
@@ -937,11 +938,11 @@ struct OPENDHT_PUBLIC Query
      *  - $string$: a simple string WITHOUT SPACES.
      *  - $integer$: a simple integer.
      */
-    Query(std::string q_str) {
+    Query(std::string_view q_str) {
         auto pos_W = q_str.find("WHERE");
         auto pos_w = q_str.find("where");
-        auto pos = std::min(pos_W != std::string::npos ? pos_W : q_str.size(),
-                            pos_w != std::string::npos ? pos_w : q_str.size());
+        auto pos = std::min(pos_W != std::string_view::npos ? pos_W : q_str.size(),
+                            pos_w != std::string_view::npos ? pos_w : q_str.size());
         select = q_str.substr(0, pos);
         where = q_str.substr(pos, q_str.size()-pos);
     }

m4/ax_cxx_compile_stdcxx.m4

@@ -10,13 +10,13 @@
 #
 #   Check for baseline language coverage in the compiler for the specified
 #   version of the C++ standard.  If necessary, add switches to CXX and
-#   CXXCPP to enable support.  VERSION may be '11' (for the C++11 standard)
-#   or '14' (for the C++14 standard).
+#   CXXCPP to enable support.  VERSION may be '11', '14', '17', or '20' for
+#   the respective C++ standard version.
 #
 #   The second argument, if specified, indicates whether you insist on an
 #   extended mode (e.g. -std=gnu++11) or a strict conformance mode (e.g.
 #   -std=c++11).  If neither is specified, you get whatever works, with
-#   preference for an extended mode.
+#   preference for no added switch, and then for an extended mode.
 #
 #   The third argument, if specified 'mandatory' or if left unspecified,
 #   indicates that baseline support for the specified C++ standard is
@@ -35,13 +35,15 @@
 #   Copyright (c) 2015 Moritz Klammler <moritz@klammler.eu>
 #   Copyright (c) 2016, 2018 Krzesimir Nowak <qdlacz@gmail.com>
 #   Copyright (c) 2019 Enji Cooper <yaneurabeya@gmail.com>
+#   Copyright (c) 2020 Jason Merrill <jason@redhat.com>
+#   Copyright (c) 2021 Jörn Heusipp <osmanx@problemloesungsmaschine.de>
 #
 #   Copying and distribution of this file, with or without modification, are
 #   permitted in any medium without royalty provided the copyright notice
 #   and this notice are preserved.  This file is offered as-is, without any
 #   warranty.
 
-#serial 11
+#serial 14
 
 dnl  This macro is based on the code from the AX_CXX_COMPILE_STDCXX_11 macro
 dnl  (serial version number 13).
@@ -50,6 +52,7 @@ AC_DEFUN([AX_CXX_COMPILE_STDCXX], [dnl
   m4_if([$1], [11], [ax_cxx_compile_alternatives="11 0x"],
         [$1], [14], [ax_cxx_compile_alternatives="14 1y"],
         [$1], [17], [ax_cxx_compile_alternatives="17 1z"],
+        [$1], [20], [ax_cxx_compile_alternatives="20"],
         [m4_fatal([invalid first argument `$1' to AX_CXX_COMPILE_STDCXX])])dnl
   m4_if([$2], [], [],
         [$2], [ext], [],
@@ -62,6 +65,16 @@ AC_DEFUN([AX_CXX_COMPILE_STDCXX], [dnl
   AC_LANG_PUSH([C++])dnl
   ac_success=no
 
+  m4_if([$2], [], [dnl
+    AC_CACHE_CHECK(whether $CXX supports C++$1 features by default,
+		   ax_cv_cxx_compile_cxx$1,
+      [AC_COMPILE_IFELSE([AC_LANG_SOURCE([_AX_CXX_COMPILE_STDCXX_testbody_$1])],
+        [ax_cv_cxx_compile_cxx$1=yes],
+        [ax_cv_cxx_compile_cxx$1=no])])
+    if test x$ax_cv_cxx_compile_cxx$1 = xyes; then
+      ac_success=yes
+    fi])
+
   m4_if([$2], [noext], [], [dnl
   if test x$ac_success = xno; then
     for alternative in ${ax_cxx_compile_alternatives}; do
@@ -140,7 +153,6 @@ m4_define([_AX_CXX_COMPILE_STDCXX_testbody_11],
   _AX_CXX_COMPILE_STDCXX_testbody_new_in_11
 )
 
-
 dnl  Test body for checking C++14 support
 
 m4_define([_AX_CXX_COMPILE_STDCXX_testbody_14],
@@ -148,12 +160,24 @@ m4_define([_AX_CXX_COMPILE_STDCXX_testbody_14],
   _AX_CXX_COMPILE_STDCXX_testbody_new_in_14
 )
 
+dnl  Test body for checking C++17 support
+
 m4_define([_AX_CXX_COMPILE_STDCXX_testbody_17],
   _AX_CXX_COMPILE_STDCXX_testbody_new_in_11
   _AX_CXX_COMPILE_STDCXX_testbody_new_in_14
   _AX_CXX_COMPILE_STDCXX_testbody_new_in_17
 )
 
+dnl  Test body for checking C++20 support
+
+m4_define([_AX_CXX_COMPILE_STDCXX_testbody_20],
+  _AX_CXX_COMPILE_STDCXX_testbody_new_in_11
+  _AX_CXX_COMPILE_STDCXX_testbody_new_in_14
+  _AX_CXX_COMPILE_STDCXX_testbody_new_in_17
+  _AX_CXX_COMPILE_STDCXX_testbody_new_in_20
+)
+
+
 dnl  Tests for new features in C++11
 
 m4_define([_AX_CXX_COMPILE_STDCXX_testbody_new_in_11], [[
@@ -949,3 +973,33 @@ namespace cxx17
 #endif  // __cplusplus < 201703L
 
 ]])
+
+
+dnl  Tests for new features in C++20
+
+m4_define([_AX_CXX_COMPILE_STDCXX_testbody_new_in_20], [[
+
+#ifndef __cplusplus
+
+#error "This is not a C++ compiler"
+
+#elif __cplusplus < 202002L
+
+#error "This is not a C++20 compiler"
+
+#else
+
+#include <version>
+
+namespace cxx20
+{
+
+// As C++20 supports feature test macros in the standard, there is no
+// immediate need to actually test for feature availability on the
+// Autoconf side.
+
+}  // namespace cxx20
+
+#endif  // __cplusplus < 202002L
+
+]])

python/opendht.pyx

@@ -1,11 +1,11 @@
 # distutils: language = c++
-# distutils: extra_compile_args = -std=c++14
+# distutils: extra_compile_args = -std=c++17
 # distutils: include_dirs = ../../include
 # distutils: library_dirs = ../../src
 # distutils: libraries = opendht gnutls
 # cython: language_level=3
 #
-# Copyright (c) 2015-2019 Savoir-faire Linux Inc.
+# Copyright (c) 2015-2022 Savoir-faire Linux Inc.
 # Author(s): Guillaume Roguez <guillaume.roguez@savoirfairelinux.com>
 #            Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 #            Simon Désaulniers <sim.desaulniers@gmail.com>
@@ -36,6 +36,7 @@ from libcpp.memory cimport shared_ptr
 from cython.parallel import parallel, prange
 from cython.operator cimport dereference as deref, preincrement as inc, predecrement as dec
 from cpython cimport ref
+from datetime import timedelta
 
 cimport opendht_cpp as cpp
 
@@ -235,8 +236,9 @@ cdef class Where(object):
 
 cdef class Value(object):
     cdef shared_ptr[cpp.Value] _value
-    def __init__(self, bytes val=b''):
-        self._value.reset(new cpp.Value(val, len(val)))
+    def __init__(self, bytes val=b'', cpp.uint16_t id=0):
+        self._value.reset(new cpp.Value(id, val, len(val)))
+
     def __str__(self):
         return self._value.get().toString().decode()
     property owner:
@@ -270,6 +272,14 @@ cdef class Value(object):
         def __get__(self):
             return self._value.get().size()
 
+cdef class ValueType(object):
+    cdef cpp.ValueType * _value
+    def __init__(self, cpp.uint16_t id, str name, expiration: timedelta):
+        if not isinstance(expiration, timedelta):
+            raise TypeError("expiration argument must be of type timedelta")
+        cdef cpp.seconds duration = cpp.seconds(int(expiration.total_seconds()))
+        self._value =  new cpp.ValueType(id, name.encode(), duration)
+
 cdef class NodeSetIter(object):
     cdef map[cpp.InfoHash, shared_ptr[cpp.Node]]* _nodes
     cdef map[cpp.InfoHash, shared_ptr[cpp.Node]].iterator _curIter
@@ -319,11 +329,11 @@ cdef class PrivateKey(_WithID):
     cdef shared_ptr[cpp.PrivateKey] _key
     def getId(self):
         h = InfoHash()
-        h._infohash = self._key.get().getPublicKey().getId()
+        h._infohash = self._key.get().getSharedPublicKey().get().getId()
         return h
     def getPublicKey(self):
         pk = PublicKey()
-        pk._key = self._key.get().getPublicKey()
+        pk._key = self._key.get().getSharedPublicKey()
         return pk
     def decrypt(self, bytes dat):
         cdef size_t d_len = len(dat)
@@ -348,17 +358,17 @@ cdef class PrivateKey(_WithID):
         return k
 
 cdef class PublicKey(_WithID):
-    cdef cpp.PublicKey _key
+    cdef cpp.shared_ptr[cpp.PublicKey] _key
     def getId(self):
         h = InfoHash()
-        h._infohash = self._key.getId()
+        h._infohash = self._key.get().getId()
         return h
     def encrypt(self, bytes dat):
         cdef size_t d_len = len(dat)
         cdef cpp.uint8_t* d_ptr = <cpp.uint8_t*>dat
         cdef cpp.Blob indat
         indat.assign(d_ptr, <cpp.uint8_t*>(d_ptr + d_len))
-        cdef cpp.Blob encrypted = self._key.encrypt(indat)
+        cdef cpp.Blob encrypted = self._key.get().encrypt(indat)
         cdef char* encrypted_c_str = <char *>encrypted.data()
         cdef Py_ssize_t length = encrypted.size()
         return encrypted_c_str[:length]
@@ -430,7 +440,7 @@ cdef class Identity(object):
     property publickey:
         def __get__(self):
             k = PublicKey()
-            k._key = self._id.first.get().getPublicKey()
+            k._key = self._id.first.get().getSharedPublicKey()
             return k
     property certificate:
         def __get__(self):
@@ -513,6 +523,8 @@ cdef class DhtRunner(_WithID):
         cb_obj = {'shutdown':shutdown_cb}
         ref.Py_INCREF(cb_obj)
         self.thisptr.get().shutdown(cpp.bindShutdownCb(shutdown_callback, <void*>cb_obj))
+    def registerType(self, ValueType type):
+        self.thisptr.get().registerType(deref(type._value))
     def enableLogging(self):
         cpp.enableLogging(self.thisptr.get()[0])
     def disableLogging(self):

python/opendht_cpp.pxd

@@ -1,4 +1,4 @@
-# Copyright (c) 2015-2019 Savoir-faire Linux Inc.
+# Copyright (c) 2015-2022 Savoir-faire Linux Inc.
 # Author(s): Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 #            Simon Désaulniers <sim.desaulniers@gmail.com>
 #
@@ -26,6 +26,14 @@ from libc.string cimport const_char, const_uchar
 ctypedef uint16_t in_port_t
 ctypedef unsigned short int sa_family_t;
 
+cdef extern from "<iostream>" namespace "std::chrono" nogil:
+    cdef cppclass duration[ulong]:
+        duration() except +
+
+    cdef cppclass seconds:
+        duration seconds(uint64_t) except +
+        duration seconds()
+
 cdef extern from "<memory>" namespace "std" nogil:
     cdef cppclass shared_ptr[T]:
         shared_ptr() except +
@@ -89,7 +97,7 @@ cdef extern from "opendht/crypto.h" namespace "dht::crypto":
 
     cdef cppclass PrivateKey:
         PrivateKey()
-        PublicKey getPublicKey() const
+        shared_ptr[PublicKey] getSharedPublicKey() const
         Blob decrypt(Blob data) const
         @staticmethod
         PrivateKey generate()
@@ -131,7 +139,6 @@ cdef extern from "opendht/value.h" namespace "dht::Value":
 cdef extern from "opendht/value.h" namespace "dht::Value::Field":
     cdef Field None
     cdef Field Id
-    cdef Field ValueType
     cdef Field OwnerPk
     cdef Field SeqNum
     cdef Field UserType
@@ -141,7 +148,7 @@ cdef extern from "opendht/value.h" namespace "dht":
     cdef cppclass Value:
         Value() except +
         Value(vector[uint8_t]) except +
-        Value(const uint8_t* dat_ptr, size_t dat_len) except +
+        Value(const uint16_t t, const uint8_t* dat_ptr, size_t dat_len) except +
         string toString() const
         size_t size() const
         uint64_t id
@@ -150,6 +157,12 @@ cdef extern from "opendht/value.h" namespace "dht":
         vector[uint8_t] data
         string user_type
 
+    cdef cppclass ValueType:
+        ValueType(uint16_t id, string name, seconds expiration) except +
+        uint16_t id
+        string name
+        seconds expiration
+
     cdef cppclass Query:
         Query() except +
         Query(Select s, Where w) except +
@@ -234,6 +247,7 @@ cdef extern from "opendht/dhtrunner.h" namespace "dht":
         void run(const_char*, const_char*, const_char*, Config config)
         void join()
         void shutdown(ShutdownCallback)
+        void registerType(ValueType& value);
         bool isRunning()
         SockAddr getBound(sa_family_t af) const
         string getStorageLog() const

python/setup.py.in

@@ -1,4 +1,4 @@
-# Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+# Copyright (C) 2014-2022 Savoir-faire Linux Inc.
 # Author: Guillaume Roguez <guillaume.roguez@savoirfairelinux.com>
 # Author: Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 #
@@ -50,8 +50,8 @@ setup(name="opendht",
           ["@CURRENT_SOURCE_DIR@/opendht.pyx"],
           include_dirs = ['@PROJECT_SOURCE_DIR@/include'],
           language="c++",
-          extra_compile_args=["-std=c++14"],
-          extra_link_args=["-std=c++14"],
+          extra_compile_args=["-std=c++17"],
+          extra_link_args=["-std=c++17"],
           libraries=["opendht"],
           library_dirs = ['@CURRENT_BINARY_DIR@', '@PROJECT_BINARY_DIR@']
       ))

python/tools/benchmark.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
-# Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+# Copyright (C) 2014-2022 Savoir-faire Linux Inc.
 # Author(s): Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 #            Simon Désaulniers <sim.desaulniers@gmail.com>
 #

python/tools/dht/network.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
-# Copyright (c) 2015-2019 Savoir-faire Linux Inc.
+# Copyright (c) 2015-2022 Savoir-faire Linux Inc.
 # Author(s): Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 #            Simon Désaulniers <sim.desaulniers@gmail.com>
 #

python/tools/dht/tests.py

@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Copyright (C) 2015-2019 Savoir-Faire Linux Inc.
+# Copyright (C) 2015-2022 Savoir-Faire Linux Inc.
 # Author(s): Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 #            Simon Désaulniers <sim.desaulniers@gmail.com>
 

python/tools/dht/virtual_network_builder.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
-# Copyright (c) 2015-2019 Savoir-faire Linux Inc.
+# Copyright (c) 2015-2022 Savoir-faire Linux Inc.
 # Author: Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 #
 # This program is free software; you can redistribute it and/or modify

python/tools/dhtcluster.py

@@ -1,6 +1,6 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
-# Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+# Copyright (C) 2014-2022 Savoir-faire Linux Inc.
 # Author(s): Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 #
 # This program is free software; you can redistribute it and/or modify

python/tools/http_server.py

@@ -1,5 +1,5 @@
 #!/usr/bin/env python3
-# Copyright (c) 2016-2019 Savoir-faire Linux Inc.
+# Copyright (c) 2016-2022 Savoir-faire Linux Inc.
 # Author: Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 #
 # This program is free software; you can redistribute it and/or modify

python/tools/network_monitor.py

@@ -1,5 +1,5 @@
 #!/usr/bin/env python3
-# Copyright (c) 2015-2019 Savoir-faire Linux Inc.
+# Copyright (c) 2015-2022 Savoir-faire Linux Inc.
 # Author: Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 #
 # This program is free software; you can redistribute it and/or modify

python/tools/pingpong.py

@@ -1,5 +1,5 @@
 #!/usr/bin/env python3
-# Copyright (c) 2015-2019 Savoir-faire Linux Inc.
+# Copyright (c) 2015-2022 Savoir-faire Linux Inc.
 # Author: Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 #
 # This program is free software; you can redistribute it and/or modify

python/tools/scanner.py

@@ -1,5 +1,5 @@
 #!/usr/bin/env python3
-# Copyright (c) 2015-2019 Savoir-faire Linux Inc.
+# Copyright (c) 2015-2022 Savoir-faire Linux Inc.
 # Author: Adrien Béraud <adrien.beraud@savoirfairelinux.com>
 #
 # This program is free software; you can redistribute it and/or modify
@@ -21,6 +21,7 @@ from math import cos, sin, pi
 import urllib3
 import gzip
 import queue
+from geoip import geolite2
 
 sys.path.append('..')
 from opendht import *
@@ -55,7 +56,7 @@ plt.ion()
 plt.figaspect(2.)
 
 fig, axes = plt.subplots(2, 1)
-fig.set_size_inches(8,16,forward=True)
+#fig.set_size_inches(8,16,forward=True)
 fig.tight_layout()
 fig.canvas.set_window_title('OpenDHT scanner')
 
@@ -90,27 +91,12 @@ def exitcb(arg):
     run = False
 exitbtn.on_clicked(exitcb)
 
-def check_dl(fname, url):
-    if os.path.isfile(fname):
-        return
-    print('downloading', url)
-    ghandle = gzip.GzipFile(fileobj=http.request('GET', url, headers={'User-Agent': 'Mozilla/5.0'}, preload_content=False))
-    with open(fname, 'wb') as out:
-        for line in ghandle:
-            out.write(line)
-
-check_dl("GeoLiteCity.dat", "http://geolite.maxmind.com/download/geoip/database/GeoLiteCity.dat.gz")
-check_dl("GeoLiteCityv6.dat", "http://geolite.maxmind.com/download/geoip/database/GeoLiteCityv6-beta/GeoLiteCityv6.dat.gz")
-
-gi = GeoIP.open("GeoLiteCity.dat", GeoIP.GEOIP_INDEX_CACHE | GeoIP.GEOIP_CHECK_CACHE)
-gi6 = GeoIP.open("GeoLiteCityv6.dat", GeoIP.GEOIP_INDEX_CACHE | GeoIP.GEOIP_CHECK_CACHE)
-
 def gcb(v):
     return True
 
 r = DhtRunner()
 r.run(port=4112)
-r.bootstrap("bootstrap.ring.cx", "4222")
+r.bootstrap("bootstrap.jami.net", "4222")
 
 plt.pause(1)
 
@@ -143,9 +129,9 @@ def nextstep(cur_h, cur_depth, ok, nodes):
         depth = min(8, commonBits+6)
         if cur_depth < depth:
             for b in range(cur_depth, depth):
-                new_h = InfoHash(cur_h.toString());
-                new_h.setBit(b, 1);
-                step(new_h, b+1);
+                new_h = InfoHash(cur_h.toString())
+                new_h.setBit(b, 1)
+                step(new_h, b+1)
     else:
         print("step done with no nodes", ok, cur_h.toString().decode())
     done -= 1
@@ -186,23 +172,22 @@ def appendNewNode(n):
         if addr in nodes_ip6s:
             nodes_ip6s[addr][1] += 1
         else:
-            georecord = gi6.record_by_name_v6(addr)
+            georecord = geolite2.lookup(addr)
             nodes_ip6s[addr] = [n, 1, georecord]
     else:
         if addr in nodes_ip4s:
             nodes_ip4s[addr][1] += 1
         else:
-            georecord = gi.record_by_name(addr)
+            georecord = geolite2.lookup(addr)
             nodes_ip4s[addr] = [n, 1, georecord]
     if georecord:
         appendMapPoint(georecord)
 
 def appendMapPoint(res):
     global lons, lats, cities
-    lons.append(res['longitude'])
-    lats.append(res['latitude'])
-    cities.append(res['city'] if res['city'] else (str(int(res['latitude']))+'-'+str(int(res['longitude']))))
-
+    lons.append(res.location[1])
+    lats.append(res.location[0])
+    cities.append(res.city if res.city else (str(int(res.location[0]))+'-'+str(int(res.location[1]))))
 
 def restart(arg):
     global collection, all_lines, all_nodes, points, done, nodes_ip4s, nodes_ip6s, lats, lons, cities, xys, colors

rust/examples/dhtnode.rs

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author: Sébastien Blin <sebastien.blin@savoirfairelinux.com>
  *
  *  This program is free software; you can redistribute it and/or modify

rust/src/blob.rs

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author: Sébastien Blin <sebastien.blin@savoirfairelinux.com>
  *
  *  This program is free software; you can redistribute it and/or modify

rust/src/crypto.rs

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author: Sébastien Blin <sebastien.blin@savoirfairelinux.com>
  *
  *  This program is free software; you can redistribute it and/or modify

rust/src/dhtrunner.rs

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author: Sébastien Blin <sebastien.blin@savoirfairelinux.com>
  *
  *  This program is free software; you can redistribute it and/or modify

rust/src/ffi.rs

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author: Sébastien Blin <sebastien.blin@savoirfairelinux.com>
  *
  *  This program is free software; you can redistribute it and/or modify

rust/src/infohash.rs

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author: Sébastien Blin <sebastien.blin@savoirfairelinux.com>
  *
  *  This program is free software; you can redistribute it and/or modify

rust/src/lib.rs

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author: Sébastien Blin <sebastien.blin@savoirfairelinux.com>
  *
  *  This program is free software; you can redistribute it and/or modify

rust/src/pkid.rs

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author: Sébastien Blin <sebastien.blin@savoirfairelinux.com>
  *
  *  This program is free software; you can redistribute it and/or modify

rust/src/value.rs

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author: Sébastien Blin <sebastien.blin@savoirfairelinux.com>
  *
  *  This program is free software; you can redistribute it and/or modify

src/Makefile.am

@@ -2,7 +2,7 @@ lib_LTLIBRARIES = libopendht.la
 
 libopendht_la_CPPFLAGS = @CPPFLAGS@ -I$(top_srcdir)/include/opendht @Argon2_CFLAGS@ @JsonCpp_CFLAGS@ @MsgPack_CFLAGS@ @OpenSSL_CFLAGS@ @Fmt_CFLAGS@
 libopendht_la_LIBADD   = @Argon2_LIBS@ @JsonCpp_LIBS@ @GnuTLS_LIBS@ @Nettle_LIBS@ @OpenSSL_LIBS@ @Fmt_LIBS@
-libopendht_la_LDFLAGS  = @LDFLAGS@ @Argon2_LDFLAGS@ -version-number @OPENDHT_MAJOR_VERSION@:@OPENDHT_MINOR_VERSION@:@OPENDHT_PATCH_VERSION@
+libopendht_la_LDFLAGS  = @LDFLAGS@ -version-number @OPENDHT_MAJOR_VERSION@:@OPENDHT_MINOR_VERSION@:@OPENDHT_PATCH_VERSION@
 libopendht_la_SOURCES  = \
         dht.cpp \
         storage.h \
@@ -71,8 +71,8 @@ endif
 
 libopendht_la_SOURCES += base64.h base64.cpp
 if PROXY_CLIENT_OR_SERVER
-libopendht_la_SOURCES += http.cpp
-nobase_include_HEADERS += ../include/opendht/proxy.h ../include/opendht/http.h
+libopendht_la_SOURCES += http.cpp compat/os_cert.cpp
+nobase_include_HEADERS += ../include/opendht/proxy.h ../include/opendht/http.h compat/os_cert.h
 endif
 
 if ENABLE_PEER_DISCOVERY
@@ -87,30 +87,3 @@ endif
 
 clean-local:
 	rm -rf libargon2.la
-
-######################
-#  ARGON2 submodule  #
-######################
-
-if WITH_INCLUDED_ARGON2
-noinst_LTLIBRARIES         = libargon2.la
-libopendht_la_DEPENDENCIES = libargon2.la
-
-libargon2_la_CFLAGS  = -std=c89 -fPIC -pthread -O3 -Wall -I@top_builddir@/argon2/include -I@top_builddir@/argon2/src
-libargon2_la_SOURCES = \
-        @top_builddir@/argon2/src/argon2.c \
-        @top_builddir@/argon2/src/core.c \
-        @top_builddir@/argon2/src/blake2/blake2b.c \
-        @top_builddir@/argon2/src/thread.c \
-        @top_builddir@/argon2/src/ref.c \
-        @top_builddir@/argon2/src/encoding.c
-
-noinst_HEADERS = \
-        @top_builddir@/argon2/include/argon2.h \
-        @top_builddir@/argon2/src/blake2/blake2.h \
-        @top_builddir@/argon2/src/blake2/blake2-impl.h \
-        @top_builddir@/argon2/src/blake2/blamka-round-ref.h \
-        @top_builddir@/argon2/src/core.h \
-        @top_builddir@/argon2/src/encoding.h \
-        @top_builddir@/argon2/src/thread.h
-endif

src/base64.cpp

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by

src/base64.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by

src/callbacks.cpp

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author(s) : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
  *
  *  This program is free software; you can redistribute it and/or modify
@@ -26,7 +26,7 @@ namespace dht {
 
 
 GetCallbackSimple
-bindGetCb(const GetCallbackRaw& raw_cb, void* user_data)
+bindGetCb(GetCallbackRaw raw_cb, void* user_data)
 {
     if (not raw_cb) return {};
     return [=](const std::shared_ptr<Value>& value) {
@@ -35,10 +35,10 @@ bindGetCb(const GetCallbackRaw& raw_cb, void* user_data)
 }
 
 GetCallback
-bindGetCb(const GetCallbackSimple& cb)
+bindGetCb(GetCallbackSimple cb)
 {
     if (not cb) return {};
-    return [=](const std::vector<std::shared_ptr<Value>>& values) {
+    return [cb=std::move(cb)](const std::vector<std::shared_ptr<Value>>& values) {
         for (const auto& v : values)
             if (not cb(v))
                 return false;
@@ -47,7 +47,7 @@ bindGetCb(const GetCallbackSimple& cb)
 }
 
 ValueCallback
-bindValueCb(const ValueCallbackRaw& raw_cb, void* user_data)
+bindValueCb(ValueCallbackRaw raw_cb, void* user_data)
 {
     if (not raw_cb) return {};
     return [=](const std::vector<std::shared_ptr<Value>>& values, bool expired) {
@@ -59,7 +59,7 @@ bindValueCb(const ValueCallbackRaw& raw_cb, void* user_data)
 }
 
 ShutdownCallback
-bindShutdownCb(const ShutdownCallbackRaw& shutdown_cb_raw, void* user_data)
+bindShutdownCb(ShutdownCallbackRaw shutdown_cb_raw, void* user_data)
 {
     return [=]() { shutdown_cb_raw(user_data); };
 }
@@ -69,11 +69,11 @@ bindDoneCb(DoneCallbackSimple donecb)
 {
     if (not donecb) return {};
     using namespace std::placeholders;
-    return std::bind(donecb, _1);
+    return std::bind(std::move(donecb), _1);
 }
 
 DoneCallback
-bindDoneCb(const DoneCallbackRaw& raw_cb, void* user_data)
+bindDoneCb(DoneCallbackRaw raw_cb, void* user_data)
 {
     if (not raw_cb) return {};
     return [=](bool success, const std::vector<std::shared_ptr<Node>>& nodes) {
@@ -82,7 +82,7 @@ bindDoneCb(const DoneCallbackRaw& raw_cb, void* user_data)
 }
 
 DoneCallbackSimple
-bindDoneCbSimple(const DoneCallbackSimpleRaw& raw_cb, void* user_data) {
+bindDoneCbSimple(DoneCallbackSimpleRaw raw_cb, void* user_data) {
     if (not raw_cb) return {};
     return [=](bool success) {
         raw_cb(success, user_data);

src/compat/msvc/unistd.h

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *
  *  Author: Andreas Traczyk <andreas.traczyk@savoirfairelinux.com>
  *

src/compat/os_cert.cpp

@@ -0,0 +1,204 @@
+/*
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Author: Andreas Traczyk <andreas.traczyk@savoirfairelinux.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "os_cert.h"
+
+#include "log_enable.h"
+
+#ifdef _WIN32
+#include <windows.h>
+#include <wincrypt.h>
+#pragma comment(lib, "crypt32.lib")
+#endif
+#include <openssl/ssl.h>
+
+#ifdef TARGET_OS_OSX
+#include <CoreFoundation/CoreFoundation.h>
+#include <Security/Security.h>
+#endif /*TARGET_OS_OSX*/
+
+#if EMBEDDED_ASN1_TIME_PARSE
+#undef X509_NAME
+#undef OCSP_REQUEST
+#undef OCSP_RESPONSE
+#define GENTIME_LENGTH 15
+#define UTCTIME_LENGTH 13
+#define ATOI2(ar)      ((ar) += 2, ((ar)[-2] - '0') * 10 + ((ar)[-1] - '0'))
+extern "C" {
+// Taken from libressl/src/crypto/asn1/a_time_tm.c
+int
+ASN1_time_parse(const char* bytes, size_t len, struct tm* tm, int mode)
+{
+    size_t i;
+    int type = 0;
+    struct tm ltm;
+    struct tm* lt;
+    const char* p;
+
+    if (bytes == NULL)
+        return (-1);
+
+    /* Constrain to valid lengths. */
+    if (len != UTCTIME_LENGTH && len != GENTIME_LENGTH)
+        return (-1);
+
+    lt = tm;
+    if (lt == NULL) {
+        memset(&ltm, 0, sizeof(ltm));
+        lt = &ltm;
+    }
+
+    /* Timezone is required and must be GMT (Zulu). */
+    if (bytes[len - 1] != 'Z')
+        return (-1);
+
+    /* Make sure everything else is digits. */
+    for (i = 0; i < len - 1; i++) {
+        if (isdigit((unsigned char) bytes[i]))
+            continue;
+        return (-1);
+    }
+
+    /*
+     * Validate and convert the time
+     */
+    p = bytes;
+    switch (len) {
+    case GENTIME_LENGTH:
+        if (mode == V_ASN1_UTCTIME)
+            return (-1);
+        lt->tm_year = (ATOI2(p) * 100) - 1900; /* cc */
+        type = V_ASN1_GENERALIZEDTIME;
+        /* FALLTHROUGH */
+    case UTCTIME_LENGTH:
+        if (type == 0) {
+            if (mode == V_ASN1_GENERALIZEDTIME)
+                return (-1);
+            type = V_ASN1_UTCTIME;
+        }
+        lt->tm_year += ATOI2(p); /* yy */
+        if (type == V_ASN1_UTCTIME) {
+            if (lt->tm_year < 50)
+                lt->tm_year += 100;
+        }
+        lt->tm_mon = ATOI2(p) - 1; /* mm */
+        if (lt->tm_mon < 0 || lt->tm_mon > 11)
+            return (-1);
+        lt->tm_mday = ATOI2(p); /* dd */
+        if (lt->tm_mday < 1 || lt->tm_mday > 31)
+            return (-1);
+        lt->tm_hour = ATOI2(p); /* HH */
+        if (lt->tm_hour < 0 || lt->tm_hour > 23)
+            return (-1);
+        lt->tm_min = ATOI2(p); /* MM */
+        if (lt->tm_min < 0 || lt->tm_min > 59)
+            return (-1);
+        lt->tm_sec = ATOI2(p); /* SS */
+        /* Leap second 60 is not accepted. Reconsider later? */
+        if (lt->tm_sec < 0 || lt->tm_sec > 59)
+            return (-1);
+        break;
+    default:
+        return (-1);
+    }
+
+    return type;
+}
+}
+#endif /* EMBEDDED_ASN1_TIME_PARSE */
+
+namespace dht {
+namespace http {
+
+PEMCache::PEMCache(const std::shared_ptr<Logger>& l)
+ : logger(l)
+{
+#ifdef _WIN32
+    PCCERT_CONTEXT pContext = NULL;
+    HCERTSTORE hSystemStore;
+    hSystemStore = CertOpenSystemStore(NULL, "ROOT");
+    if (!hSystemStore) {
+        if (logger)
+            logger->e("couldn't open the system cert store");
+        return;
+    }
+    while (pContext = CertEnumCertificatesInStore(hSystemStore, pContext)) {
+        const uint8_t* encoded_cert = pContext->pbCertEncoded;
+        X509Ptr x509cert(d2i_X509(nullptr, &encoded_cert, pContext->cbCertEncoded), &X509_free);
+        if (x509cert)
+            pems_.emplace_back(std::move(x509cert));
+    }
+    CertCloseStore(hSystemStore, 0);
+#elif TARGET_OS_OSX
+    CFArrayRef result = NULL;
+    OSStatus osStatus;
+
+    if ((osStatus = SecTrustCopyAnchorCertificates(&result)) != 0) {
+        if (logger) {
+            CFStringRef statusString = SecCopyErrorMessageString(osStatus, NULL);
+            logger->d("Error enumerating certificates: %s",
+                    CFStringGetCStringPtr(statusString, kCFStringEncodingASCII));
+            CFRelease(statusString);
+        }
+        if (result != NULL) {
+            CFRelease(result);
+        }
+        return;
+    }
+    CFDataRef rawData = NULL;
+    for (CFIndex i = 0; i < CFArrayGetCount(result); i++) {
+        SecCertificateRef cert = (SecCertificateRef) CFArrayGetValueAtIndex(result, i);
+        rawData = SecCertificateCopyData(cert);
+        if (!rawData) {
+            if (logger)
+                logger->e("couldn't copy raw certificate data");
+            break;
+        }
+        const uint8_t* rawDataPtr = CFDataGetBytePtr(rawData);
+        X509Ptr x509cert(d2i_X509(nullptr, &rawDataPtr, CFDataGetLength(rawData)), &X509_free);
+        if (x509cert)
+            pems_.emplace_back(std::move(x509cert));
+        CFRelease(rawData);
+        rawData = NULL;
+    }
+    if (result != NULL) {
+        CFRelease(result);
+    }
+    if (rawData != NULL) {
+        CFRelease(rawData);
+    }
+#endif /*TARGET_OS_OSX, _WIN32*/
+}
+
+void
+PEMCache::fillX509Store(SSL_CTX* ctx)
+{
+    if (logger)
+        logger->d("adding %d decoded certs to X509 store", pems_.size());
+    if (X509_STORE* store = SSL_CTX_get_cert_store(ctx)) {
+        for (const auto& pem : pems_) {
+            if (X509_STORE_add_cert(store, pem.get()) != 1)
+                if (logger)
+                    logger->w("couldn't add local certificate");
+        }
+    } else if (logger)
+        logger->e("couldn't get the context cert store");
+}
+
+} /*namespace http*/
+} /*namespace dht*/

src/compat/os_cert.h

@@ -0,0 +1,81 @@
+/*
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
+ *  Author: Andreas Traczyk <andreas.traczyk@savoirfairelinux.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include "log_enable.h"
+
+#include <memory>
+
+#include <openssl/x509.h>
+
+#if (defined(LIBRESSL_VERSION_NUMBER) && (LIBRESSL_VERSION_NUMBER > 0x20501000L))
+#define EMBEDDED_ASN1_TIME_PARSE 0
+#else
+#define EMBEDDED_ASN1_TIME_PARSE 1
+#endif
+
+#if EMBEDDED_ASN1_TIME_PARSE
+#define V_ASN1_UTCTIME         23
+#define V_ASN1_GENERALIZEDTIME 24
+
+extern "C" {
+/*
+ * Parse an RFC 5280 format ASN.1 time string.
+ *
+ * mode must be:
+ * 0 if we expect to parse a time as specified in RFC 5280 for an X509 object.
+ * V_ASN1_UTCTIME if we wish to parse an RFC5280 format UTC time.
+ * V_ASN1_GENERALIZEDTIME if we wish to parse an RFC5280 format Generalized time.
+ *
+ * Returns:
+ * -1 if the string was invalid.
+ * V_ASN1_UTCTIME if the string validated as a UTC time string.
+ * V_ASN1_GENERALIZEDTIME if the string validated as a Generalized time string.
+ *
+ * Fills in *tm with the corresponding time if tm is non NULL.
+ */
+int ASN1_time_parse(const char* bytes, size_t len, struct tm* tm, int mode);
+}
+#endif
+
+namespace dht {
+namespace http {
+
+// A singleton class used to cache the decoded certificates
+// loaded from local cert stores that need to be added to the
+// ssl context prior to each request.
+class PEMCache
+{
+    PEMCache(const std::shared_ptr<Logger>& l);
+
+    using X509Ptr = std::unique_ptr<X509, void(*)(X509*)>;
+    std::vector<X509Ptr> pems_;
+    std::shared_ptr<Logger> logger;
+
+public:
+    static PEMCache& instance(const std::shared_ptr<Logger>& l)
+    {
+        static PEMCache instance_(l);
+        return instance_;
+    }
+
+    void fillX509Store(SSL_CTX* ctx);
+};
+}
+} // namespace dht

src/crypto.cpp

@@ -1,6 +1,7 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
+ *           Vsevolod Ivanov <vsevolod.ivanov@savoirfairelinux.com>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -25,6 +26,7 @@ extern "C" {
 #include <gnutls/x509.h>
 #include <nettle/gcm.h>
 #include <nettle/aes.h>
+#include <gnutls/crypto.h>
 
 #include <argon2.h>
 }
@@ -52,7 +54,7 @@ static std::uniform_int_distribution<uint8_t> rand_byte;
 #define GNUTLS_PKCS_PBES2_AES_256 GNUTLS_PKCS_USE_PBES2_AES_256
 #endif
 
-#define DHT_AES_LEGACY_ENCRYPT 1
+#define DHT_AES_LEGACY_ENCRYPT 0
 #define DHT_AES_LEGACY_DECRYPT 1
 
 namespace dht {
@@ -67,7 +69,7 @@ constexpr gnutls_digest_algorithm_t gnutlsHashAlgo(size_t min_res) {
                                GNUTLS_DIG_SHA1));
 }
 
-constexpr size_t gnutlsHashSize(int algo) {
+constexpr size_t gnutlsHashSize(gnutls_digest_algorithm_t algo) {
     return (algo == GNUTLS_DIG_SHA512) ? 512/8 : (
            (algo == GNUTLS_DIG_SHA256) ? 256/8 : (
            (algo == GNUTLS_DIG_SHA1)   ? 160/8 : 0 ));
@@ -126,37 +128,37 @@ Blob aesEncrypt(const Blob& data, const std::string& password)
     return encrypted;
 }
 
-Blob aesDecrypt(const Blob& data, const Blob& key)
+Blob aesDecrypt(const uint8_t* data, size_t data_length, const Blob& key)
 {
     if (not aesKeySizeGood(key.size()))
         throw DecryptError("Wrong key size");
 
-    if (data.size() <= GCM_IV_SIZE + GCM_DIGEST_SIZE)
+    if (data_length <= GCM_IV_SIZE + GCM_DIGEST_SIZE)
         throw DecryptError("Wrong data size");
 
     std::array<uint8_t, GCM_DIGEST_SIZE> digest;
 
     struct gcm_aes_ctx aes;
     gcm_aes_set_key(&aes, key.size(), key.data());
-    gcm_aes_set_iv(&aes, GCM_IV_SIZE, data.data());
+    gcm_aes_set_iv(&aes, GCM_IV_SIZE, data);
 
-    size_t data_sz = data.size() - GCM_IV_SIZE - GCM_DIGEST_SIZE;
+    size_t data_sz = data_length - GCM_IV_SIZE - GCM_DIGEST_SIZE;
     Blob ret(data_sz);
-    gcm_aes_decrypt(&aes, data_sz, ret.data(), data.data() + GCM_IV_SIZE);
+    gcm_aes_decrypt(&aes, data_sz, ret.data(), data + GCM_IV_SIZE);
     gcm_aes_digest(&aes, GCM_DIGEST_SIZE, digest.data());
 
-    if (not std::equal(digest.begin(), digest.end(), data.end() - GCM_DIGEST_SIZE)) {
+    if (not std::equal(digest.begin(), digest.end(), data + data_length - GCM_DIGEST_SIZE)) {
 #if DHT_AES_LEGACY_DECRYPT
-        //gcm_aes_decrypt(&aes, data_sz, ret.data(), data.data() + GCM_IV_SIZE);
+        //gcm_aes_decrypt(&aes, data_sz, ret.data(), data + GCM_IV_SIZE);
         Blob ret_tmp(data_sz);
         struct gcm_aes_ctx aes_d;
         gcm_aes_set_key(&aes_d, key.size(), key.data());
-        gcm_aes_set_iv(&aes_d, GCM_IV_SIZE, data.data());
+        gcm_aes_set_iv(&aes_d, GCM_IV_SIZE, data);
         gcm_aes_update(&aes_d, ret.size(), ret.data());
         gcm_aes_encrypt(&aes_d, ret.size(), ret_tmp.data(), ret.data());
         gcm_aes_digest(&aes_d, GCM_DIGEST_SIZE, digest.data());
 
-        if (not std::equal(digest.begin(), digest.end(), data.end() - GCM_DIGEST_SIZE))
+        if (not std::equal(digest.begin(), digest.end(), data + data_length - GCM_DIGEST_SIZE))
             throw DecryptError("Can't decrypt data");
 #else
         throw DecryptError("Can't decrypt data");
@@ -166,14 +168,13 @@ Blob aesDecrypt(const Blob& data, const Blob& key)
     return ret;
 }
 
-Blob aesDecrypt(const Blob& data, const std::string& password)
+Blob aesDecrypt(const uint8_t* data, size_t data_len, const std::string& password)
 {
-    if (data.size() <= PASSWORD_SALT_LENGTH)
+    if (data_len <= PASSWORD_SALT_LENGTH)
         throw DecryptError("Wrong data size");
-    Blob salt {data.begin(), data.begin()+PASSWORD_SALT_LENGTH};
+    Blob salt {data, data+PASSWORD_SALT_LENGTH};
     Blob key = stretchKey(password, salt, 256/8);
-    Blob encrypted {data.begin()+PASSWORD_SALT_LENGTH, data.end()};
-    return aesDecrypt(encrypted, key);
+    return aesDecrypt(data+PASSWORD_SALT_LENGTH, data_len - PASSWORD_SALT_LENGTH, key);
 }
 
 Blob stretchKey(const std::string& password, Blob& salt, size_t key_length)
@@ -290,14 +291,14 @@ PrivateKey::operator=(PrivateKey&& o) noexcept
 }
 
 Blob
-PrivateKey::sign(const Blob& data) const
+PrivateKey::sign(const uint8_t* data, size_t data_length) const
 {
     if (!key)
         throw CryptoException("Can't sign data: no private key set !");
-    if (std::numeric_limits<unsigned>::max() < data.size())
+    if (std::numeric_limits<unsigned>::max() < data_length)
         throw CryptoException("Can't sign data: too large !");
     gnutls_datum_t sig;
-    const gnutls_datum_t dat {(unsigned char*)data.data(), (unsigned)data.size()};
+    const gnutls_datum_t dat {(unsigned char*)data, (unsigned)data_length};
     if (gnutls_privkey_sign_data(key, GNUTLS_DIG_SHA512, 0, &dat, &sig) != GNUTLS_E_SUCCESS)
         throw CryptoException("Can't sign data !");
     Blob ret(sig.data, sig.data+sig.size);
@@ -319,7 +320,7 @@ PrivateKey::decryptBloc(const uint8_t* src, size_t src_size) const
 }
 
 Blob
-PrivateKey::decrypt(const Blob& cipher) const
+PrivateKey::decrypt(const uint8_t* cypher, size_t cypher_len) const
 {
     if (!key)
         throw CryptoException("Can't decrypt data without private key !");
@@ -332,12 +333,12 @@ PrivateKey::decrypt(const Blob& cipher) const
         throw CryptoException("Must be an RSA key");
 
     unsigned cypher_block_sz = key_len / 8;
-    if (cipher.size() < cypher_block_sz)
+    if (cypher_len < cypher_block_sz)
         throw DecryptError("Unexpected cipher length");
-    else if (cipher.size() == cypher_block_sz)
-        return decryptBloc(cipher.data(), cypher_block_sz);
+    else if (cypher_len == cypher_block_sz)
+        return decryptBloc(cypher, cypher_block_sz);
 
-    return aesDecrypt(Blob {cipher.begin() + cypher_block_sz, cipher.end()}, decryptBloc(cipher.data(), cypher_block_sz));
+    return aesDecrypt(cypher + cypher_block_sz, cypher_len - cypher_block_sz, decryptBloc(cypher, cypher_block_sz));
 }
 
 Blob
@@ -367,13 +368,22 @@ PrivateKey::serialize(uint8_t* out, size_t* out_len, const std::string& password
         : gnutls_x509_privkey_export_pkcs8(x509_key, GNUTLS_X509_FMT_PEM, password.c_str(), GNUTLS_PKCS_PBES2_AES_256, out, out_len);
 }
 
-PublicKey
+const PublicKey&
 PrivateKey::getPublicKey() const
 {
-    PublicKey pk;
-    if (auto err = gnutls_pubkey_import_privkey(pk.pk, key, GNUTLS_KEY_KEY_CERT_SIGN | GNUTLS_KEY_CRL_SIGN, 0))
+    return *getSharedPublicKey();
+}
+
+const std::shared_ptr<PublicKey>&
+PrivateKey::getSharedPublicKey() const
+{
+    if (publicKey_)
+        return publicKey_;
+    auto pk = std::make_shared<PublicKey>();
+    if (auto err = gnutls_pubkey_import_privkey(pk->pk, key, GNUTLS_KEY_KEY_CERT_SIGN | GNUTLS_KEY_CRL_SIGN, 0))
         throw CryptoException(std::string("Can't retreive public key: ") + gnutls_strerror(err));
-    return pk;
+    publicKey_ = pk;
+    return publicKey_;
 }
 
 PublicKey::PublicKey()
@@ -539,12 +549,7 @@ PublicKey::getId() const
         return {};
     InfoHash id;
     size_t sz = id.size();
-#if GNUTLS_VERSION_NUMBER < 0x030401
-    const int flags = 0;
-#else
-    const int flags = (id.size() == 32) ? GNUTLS_KEYID_USE_SHA256 : 0;
-#endif
-    if (auto err = gnutls_pubkey_get_key_id(pk, flags, id.data(), &sz))
+    if (auto err = gnutls_pubkey_get_key_id(pk, 0, id.data(), &sz))
         throw CryptoException(std::string("Can't get public key ID: ") + gnutls_strerror(err));
     if (sz != id.size())
         throw CryptoException("Can't get public key ID: wrong output length.");
@@ -709,13 +714,13 @@ CertificateRequest::sign(const PrivateKey& key, const std::string& password)
 }
 
 bool
-CertificateRequest::verify() const 
+CertificateRequest::verify() const
 {
     return gnutls_x509_crq_verify(request, 0) >= 0;
 }
 
-Blob 
-CertificateRequest::pack() const 
+Blob
+CertificateRequest::pack() const
 {
     gnutls_datum_t dat {nullptr, 0};
     if (auto err = gnutls_x509_crq_export2(request, GNUTLS_X509_FMT_PEM, &dat))
@@ -726,7 +731,7 @@ CertificateRequest::pack() const
 }
 
 std::string
-CertificateRequest::toString() const 
+CertificateRequest::toString() const
 {
     gnutls_datum_t dat {nullptr, 0};
     if (auto err = gnutls_x509_crq_export2(request, GNUTLS_X509_FMT_PEM, &dat))
@@ -848,12 +853,15 @@ Certificate::getId() const
 {
     if (not cert)
         return {};
+    if (cachedId_)
+        return cachedId_;
     InfoHash id;
     size_t sz = id.size();
     if (auto err = gnutls_x509_crt_get_key_id(cert, 0, id.data(), &sz))
         throw CryptoException(std::string("Can't get certificate public key ID: ") + gnutls_strerror(err));
     if (sz != id.size())
         throw CryptoException("Can't get certificate public key ID: wrong output length.");
+    cachedId_ = id;
     return id;
 }
 
@@ -862,6 +870,8 @@ Certificate::getLongId() const
 {
     if (not cert)
         return {};
+    if (cachedLongId_)
+        return cachedLongId_;
 #if GNUTLS_VERSION_NUMBER < 0x030401
     throw CryptoException("Can't get certificate 256 bits public key ID: GnuTLS 3.4.1 or higher required.");
 #else
@@ -871,10 +881,23 @@ Certificate::getLongId() const
         throw CryptoException(std::string("Can't get certificate 256 bits public key ID: ") + gnutls_strerror(err));
     if (sz != id.size())
         throw CryptoException("Can't get certificate 256 bits public key ID: wrong output length.");
+    cachedLongId_ = id;
     return id;
 #endif
 }
 
+Blob
+Certificate::getSerialNumber() const
+{
+    if (not cert)
+        return {};
+    // extract from certificate
+    unsigned char serial[64];
+    auto size = sizeof(serial);
+    gnutls_x509_crt_get_serial(cert, &serial, &size);
+    return {serial, serial + size};
+}
+
 std::string
 Certificate::getName() const
 {
@@ -1020,6 +1043,34 @@ Certificate::getPreferredDigest() const
     return getPublicKey().getPreferredDigest();
 }
 
+std::pair<std::string, Blob>
+Certificate::generateOcspRequest(gnutls_x509_crt_t& issuer)
+{
+    gnutls_ocsp_req_t rreq;
+    int err = gnutls_ocsp_req_init(&rreq);
+    if (err < 0)
+        throw CryptoException(gnutls_strerror(err));
+    std::unique_ptr<struct gnutls_ocsp_req_int, decltype(&gnutls_ocsp_req_deinit)> req(rreq, &gnutls_ocsp_req_deinit);
+    err = gnutls_ocsp_req_add_cert(req.get(), GNUTLS_DIG_SHA1, issuer, cert);
+    if (err < 0)
+        throw CryptoException(gnutls_strerror(err));
+    Blob noncebuf(32);
+    gnutls_datum_t nonce = { noncebuf.data(), (unsigned)noncebuf.size() };
+    err = gnutls_rnd(GNUTLS_RND_NONCE, nonce.data, nonce.size);
+    if (err < 0)
+        throw CryptoException(gnutls_strerror(err));
+    err = gnutls_ocsp_req_set_nonce(req.get(), 0, &nonce);
+    if (err < 0)
+        throw CryptoException(gnutls_strerror(err));
+    gnutls_datum_t rdata;
+    err = gnutls_ocsp_req_export(req.get(), &rdata);
+    if (err != 0)
+        throw CryptoException(gnutls_strerror(err));
+    std::string ret((char*)rdata.data, (char*)rdata.data + rdata.size);
+    gnutls_free(rdata.data);
+    return std::make_pair<std::string, Blob>(std::move(ret), std::move(noncebuf));
+}
+
 // PrivateKey
 
 PrivateKey
@@ -1108,31 +1159,29 @@ void
 setRandomSerial(gnutls_x509_crt_t cert)
 {
     random_device rdev;
-    std::uniform_int_distribution<uint64_t> dist{};
-    uint64_t cert_serial = dist(rdev);
+    std::uniform_int_distribution<int64_t> dist{1};
+    int64_t cert_serial = dist(rdev);
     gnutls_x509_crt_set_serial(cert, &cert_serial, sizeof(cert_serial));
 }
 
 Certificate
-Certificate::generate(const PrivateKey& key, const std::string& name, const Identity& ca, bool is_ca)
+Certificate::generate(const PrivateKey& key, const std::string& name, const Identity& ca, bool is_ca, int64_t validity)
 {
     gnutls_x509_crt_t cert;
     if (not key.x509_key or gnutls_x509_crt_init(&cert) != GNUTLS_E_SUCCESS)
         return {};
     Certificate ret {cert};
 
-    setValidityPeriod(cert, 10 * 365 * 24 * 60 * 60);
-    if (gnutls_x509_crt_set_key(cert, key.x509_key) != GNUTLS_E_SUCCESS) {
-        std::cerr << "Error when setting certificate key" << std::endl;
-        return {};
+    setValidityPeriod(cert, validity <= 0 ? 10 * 365 * 24 * 60 * 60 : validity);
+    if (int err = gnutls_x509_crt_set_key(cert, key.x509_key)) {
+        throw CryptoException(std::string("Error when setting certificate key ") + gnutls_strerror(err));
     }
-    if (gnutls_x509_crt_set_version(cert, 3) != GNUTLS_E_SUCCESS) {
-        std::cerr << "Error when setting certificate version" << std::endl;
-        return {};
+    if (int err = gnutls_x509_crt_set_version(cert, 3)) {
+        throw CryptoException(std::string("Error when setting certificate version ") + gnutls_strerror(err));
     }
 
     // TODO: compute the subject key using the recommended RFC method
-    auto pk = key.getPublicKey();
+    const auto& pk = key.getPublicKey();
     auto pk_id = pk.getId();
     const std::string uid_str = pk_id.toString();
 
@@ -1153,18 +1202,15 @@ Certificate::generate(const PrivateKey& key, const std::string& name, const Iden
 
     if (ca.first && ca.second) {
         if (not ca.second->isCA()) {
-            // Signing certificate must be CA.
-            return {};
+            throw CryptoException("Signing certificate must be CA");
         }
-        if (gnutls_x509_crt_privkey_sign(cert, ca.second->cert, ca.first->key, pk.getPreferredDigest(), 0) != GNUTLS_E_SUCCESS) {
-            std::cerr << "Error when signing certificate" << std::endl;
-            return {};
+        if (int err = gnutls_x509_crt_privkey_sign(cert, ca.second->cert, ca.first->key, pk.getPreferredDigest(), 0)) {
+            throw CryptoException(std::string("Error when signing certificate ") + gnutls_strerror(err));
         }
         ret.issuer = ca.second;
     } else {
-        if (gnutls_x509_crt_privkey_sign(cert, cert, key.key, pk.getPreferredDigest(), 0) != GNUTLS_E_SUCCESS) {
-            std::cerr << "Error when signing certificate" << std::endl;
-            return {};
+        if (int err = gnutls_x509_crt_privkey_sign(cert, cert, key.key, pk.getPreferredDigest(), 0)) {
+            throw CryptoException(std::string("Error when signing certificate ") + gnutls_strerror(err));
         }
     }
 
@@ -1172,7 +1218,7 @@ Certificate::generate(const PrivateKey& key, const std::string& name, const Iden
 }
 
 Certificate
-Certificate::generate(const CertificateRequest& request, const Identity& ca)
+Certificate::generate(const CertificateRequest& request, const Identity& ca, int64_t validity)
 {
     gnutls_x509_crt_t cert;
     if (auto err = gnutls_x509_crt_init(&cert))
@@ -1185,7 +1231,7 @@ Certificate::generate(const CertificateRequest& request, const Identity& ca)
         throw CryptoException(std::string("Can't set certificate version: ") + gnutls_strerror(err));
     }
 
-    setValidityPeriod(cert, 10 * 365 * 24 * 60 * 60);
+    setValidityPeriod(cert, validity <= 0 ? 10 * 365 * 24 * 60 * 60 : validity);
     setRandomSerial(cert);
 
     if (auto err = gnutls_x509_crt_privkey_sign(cert, ca.second->cert, ca.first->key, ca.second->getPreferredDigest(), 0)) {
@@ -1196,6 +1242,32 @@ Certificate::generate(const CertificateRequest& request, const Identity& ca)
     return ret.getPacked();
 }
 
+void
+Certificate::setValidity(const Identity& ca, int64_t validity)
+{
+    setValidityPeriod(cert, validity);
+    setRandomSerial(cert);
+    if (ca.first && ca.second) {
+        if (not ca.second->isCA()) {
+            throw CryptoException("Signing certificate must be CA");
+        }
+        if (int err = gnutls_x509_crt_privkey_sign(cert, ca.second->cert, ca.first->key, ca.second->getPreferredDigest(), 0)) {
+            throw CryptoException(std::string("Error when signing certificate ") + gnutls_strerror(err));
+        }
+    }
+}
+
+void
+Certificate::setValidity(const PrivateKey& key, int64_t validity)
+{
+    setValidityPeriod(cert, validity);
+    setRandomSerial(cert);
+    const auto& pk = key.getPublicKey();
+    if (int err = gnutls_x509_crt_privkey_sign(cert, cert, key.key, pk.getPreferredDigest(), 0)) {
+        throw CryptoException(std::string("Error when signing certificate ") + gnutls_strerror(err));
+    }
+}
+
 std::vector<std::shared_ptr<RevocationList>>
 Certificate::getRevocationLists() const
 {
@@ -1206,6 +1278,188 @@ Certificate::getRevocationLists() const
     return ret;
 }
 
+// OcspRequest
+
+OcspRequest::OcspRequest(const uint8_t* dat_ptr, size_t dat_size)
+{
+    int ret = gnutls_ocsp_req_init(&request);
+    if (ret < 0)
+        throw CryptoException(gnutls_strerror(ret));
+    gnutls_datum_t dat = {(unsigned char*)dat_ptr,(unsigned int)dat_size};
+    ret = gnutls_ocsp_req_import(request, &dat);
+    if (ret < 0){
+        gnutls_ocsp_req_deinit(request);
+        throw CryptoException(gnutls_strerror(ret));
+    }
+}
+
+OcspRequest::~OcspRequest()
+{
+    if (request) {
+        gnutls_ocsp_req_deinit(request);
+        request = nullptr;
+    }
+}
+
+std::string
+OcspRequest::toString(const bool compact) const
+{
+    int ret;
+    gnutls_datum_t dat;
+    ret = gnutls_ocsp_req_print(request, compact ? GNUTLS_OCSP_PRINT_COMPACT : GNUTLS_OCSP_PRINT_FULL, &dat);
+
+    std::string str;
+    if (ret == 0) {
+        str = std::string((const char*)dat.data, (size_t)dat.size);
+        gnutls_free(dat.data);
+    } else
+        throw CryptoException(gnutls_strerror(ret));
+    return str;
+}
+
+Blob
+OcspRequest::pack() const
+{
+    gnutls_datum_t dat;
+    int err = gnutls_ocsp_req_export(request, &dat);
+    if (err < 0)
+        throw CryptoException(gnutls_strerror(err));
+    Blob ret {dat.data, dat.data + dat.size};
+    gnutls_free(dat.data);
+    return ret;
+}
+
+Blob
+OcspRequest::getNonce() const
+{
+    gnutls_datum_t dat;
+    unsigned critical;
+    int err = gnutls_ocsp_req_get_nonce(request, &critical, &dat);
+    if (err < 0)
+        throw CryptoException(gnutls_strerror(err));
+    Blob ret {dat.data, dat.data + dat.size};
+    gnutls_free(dat.data);
+    return ret;
+}
+
+// OcspResponse
+
+OcspResponse::OcspResponse(const uint8_t* dat_ptr, size_t dat_size)
+{
+    int ret = gnutls_ocsp_resp_init(&response);
+    if (ret < 0)
+        throw CryptoException(gnutls_strerror(ret));
+    gnutls_datum_t dat = {(unsigned char*)dat_ptr,(unsigned int)dat_size};
+    ret = gnutls_ocsp_resp_import(response, &dat);
+    if (ret < 0){
+        gnutls_ocsp_resp_deinit(response);
+        throw CryptoException(gnutls_strerror(ret));
+    }
+}
+
+OcspResponse::~OcspResponse()
+{
+    gnutls_ocsp_resp_deinit(response);
+}
+
+Blob
+OcspResponse::pack() const
+{
+    gnutls_datum_t dat;
+    int err = gnutls_ocsp_resp_export(response, &dat);
+    if (err < 0)
+        throw CryptoException(gnutls_strerror(err));
+    Blob ret {dat.data, dat.data + dat.size};
+    gnutls_free(dat.data);
+    return ret;
+}
+
+std::string
+OcspResponse::toString(const bool compact) const
+{
+    int ret;
+    std::string str;
+    gnutls_datum_t dat;
+    ret = gnutls_ocsp_resp_print(response, compact ? GNUTLS_OCSP_PRINT_COMPACT : GNUTLS_OCSP_PRINT_FULL, &dat);
+    if (ret == 0)
+        str = std::string((const char*)dat.data, (size_t)dat.size);
+    gnutls_free(dat.data);
+    if (ret < 0)
+        throw CryptoException(gnutls_strerror(ret));
+    return str;
+}
+
+
+gnutls_ocsp_cert_status_t
+OcspResponse::getCertificateStatus() const
+{
+    int ret;
+    unsigned int status;
+    ret = gnutls_ocsp_resp_get_single(response, 0, NULL, NULL, NULL, NULL, &status, NULL, NULL, NULL, NULL);
+    if (ret < 0)
+        throw CryptoException(gnutls_strerror(ret));
+    return (gnutls_ocsp_cert_status_t) status;
+}
+
+gnutls_ocsp_cert_status_t
+OcspResponse::verifyDirect(const Certificate& crt, const Blob& nonce)
+{
+    // Check OCSP response
+    int ret = gnutls_ocsp_resp_get_status(response);
+    if (ret < 0)
+        throw CryptoException(gnutls_strerror(ret));
+    gnutls_ocsp_resp_status_t status = (gnutls_ocsp_resp_status_t)ret;
+    if (status != GNUTLS_OCSP_RESP_SUCCESSFUL)
+        throw CryptoException("OCSP request unsuccessful: " + std::to_string(ret));
+
+    if (not nonce.empty()) {
+        // Ensure no replay attack has been done
+        gnutls_datum_t rnonce;
+        ret = gnutls_ocsp_resp_get_nonce(response, NULL, &rnonce);
+        if (ret < 0)
+            throw CryptoException(gnutls_strerror(ret));
+        if (rnonce.size != nonce.size() || memcmp(nonce.data(), rnonce.data, nonce.size()) != 0){
+            gnutls_free(rnonce.data);
+            throw CryptoException(gnutls_strerror(GNUTLS_E_OCSP_RESPONSE_ERROR));
+        }
+        gnutls_free(rnonce.data);
+    }
+
+    // Verify signature of the Basic OCSP response against the public key in the issuer certificate.
+    unsigned int verify = 0;
+    ret = gnutls_ocsp_resp_verify_direct(response, crt.issuer->cert, &verify, 0);
+    if (ret < 0)
+        throw CryptoException(gnutls_strerror(ret));
+    if (verify) {
+        if (verify & GNUTLS_OCSP_VERIFY_SIGNER_NOT_FOUND)
+            throw CryptoException("Signer cert not found");
+        if (verify & GNUTLS_OCSP_VERIFY_SIGNER_KEYUSAGE_ERROR)
+            throw CryptoException("Signer cert keyusage error");
+        if (verify & GNUTLS_OCSP_VERIFY_UNTRUSTED_SIGNER)
+            throw CryptoException("Signer cert is not trusted");
+        if (verify & GNUTLS_OCSP_VERIFY_INSECURE_ALGORITHM)
+            throw CryptoException("Insecure algorithm");
+        if (verify & GNUTLS_OCSP_VERIFY_SIGNATURE_FAILURE)
+            throw CryptoException("Signature failure");
+        if (verify & GNUTLS_OCSP_VERIFY_CERT_NOT_ACTIVATED)
+            throw CryptoException("Signer cert not yet activated");
+        if (verify & GNUTLS_OCSP_VERIFY_CERT_EXPIRED)
+            throw CryptoException("Signer cert expired");
+        throw CryptoException(gnutls_strerror(GNUTLS_E_OCSP_RESPONSE_ERROR));
+    }
+
+    // Check whether the OCSP response is about the provided certificate.
+    if ((ret = gnutls_ocsp_resp_check_crt(response, 0, crt.cert)) < 0)
+        throw CryptoException(gnutls_strerror(ret));
+
+    // Check certificate revocation status
+    unsigned status_ocsp;
+    ret = gnutls_ocsp_resp_get_single(response, 0, NULL, NULL, NULL, NULL, &status_ocsp, NULL, NULL, NULL, NULL);
+    if (ret < 0)
+        throw CryptoException(gnutls_strerror(ret));
+    return (gnutls_ocsp_cert_status_t)status_ocsp;
+}
+
 // RevocationList
 
 RevocationList::RevocationList()
@@ -1221,7 +1475,7 @@ RevocationList::RevocationList(const Blob& b)
     } catch (const std::exception& e) {
         gnutls_x509_crl_deinit(crl);
         crl = nullptr;
-        throw e;
+        throw;
     }
 }
 

src/default_types.cpp

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
  *
  *  This program is free software; you can redistribute it and/or modify

src/dht.cpp

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author(s) : Adrien Béraud <adrien.beraud@savoirfairelinux.com>
  *              Simon Désaulniers <simon.desaulniers@savoirfairelinux.com>
  *
@@ -30,16 +30,20 @@
 #include <sstream>
 #include <fstream>
 
+#include <inttypes.h>
+
 namespace dht {
 
 using namespace std::placeholders;
 
 constexpr std::chrono::minutes Dht::MAX_STORAGE_MAINTENANCE_EXPIRE_TIME;
 constexpr std::chrono::minutes Dht::SEARCH_EXPIRE_TIME;
+constexpr std::chrono::seconds Dht::BOOTSTRAP_PERIOD;
 constexpr duration Dht::LISTEN_EXPIRE_TIME;
 constexpr duration Dht::LISTEN_EXPIRE_TIME_PUBLIC;
 constexpr duration Dht::REANNOUNCE_MARGIN;
 static constexpr size_t MAX_REQUESTS_PER_SEC {8 * 1024};
+static constexpr duration BOOTSTRAP_PERIOD_MAX {std::chrono::hours(24)};
 
 NodeStatus
 Dht::updateStatus(sa_family_t af)
@@ -49,15 +53,10 @@ Dht::updateStatus(sa_family_t af)
     d.status = d.getStatus(scheduler.time());
     if (d.status != old) {
         auto& other = dht(af == AF_INET ? AF_INET6 : AF_INET);
-        if (other.status == NodeStatus::Disconnected && d.status == NodeStatus::Disconnected)
+        if (other.status == NodeStatus::Disconnected && d.status == NodeStatus::Disconnected) {
             onDisconnected();
-        else if (other.status == NodeStatus::Connected || d.status == NodeStatus::Connected) {
-            // On connected
-            if (bootstrapJob) {
-                bootstrapJob->cancel();
-                bootstrapJob.reset();
-            }
-            bootstrap_period = std::chrono::seconds(10);
+        } else if (other.status == NodeStatus::Connected || d.status == NodeStatus::Connected) {
+            onConnected();
         }
     }
     return d.status;
@@ -82,11 +81,27 @@ Dht::Kad::getStatus(time_point now) const
 }
 
 void
-Dht::shutdown(ShutdownCallback cb)
+Dht::shutdown(ShutdownCallback cb, bool stop)
 {
     if (not persistPath.empty())
         saveState(persistPath);
 
+    if (stop) {
+        for (auto dht : {&dht4, &dht6}) {
+            for (auto& sr : dht->searches) {
+                for (const auto& r : sr.second->callbacks)
+                    r.second.done_cb(false, {});
+                sr.second->callbacks.clear();
+                for (const auto& a : sr.second->announce) {
+                    if (a.callback) a.callback(false, {});
+                }
+                sr.second->announce.clear();
+                sr.second->listeners.clear();
+            }
+        }
+        network_engine.clear();
+    }
+
     if (not maintain_storage) {
         if (cb) cb();
         return;
@@ -273,7 +288,7 @@ Dht::searchNodeGetDone(const net::Request& req,
             if (srn->syncJob)
                 scheduler.edit(srn->syncJob, syncTime);
             else
-                srn->syncJob = scheduler.add(syncTime, std::bind(&Dht::searchStep, this, sr));
+                srn->syncJob = scheduler.add(syncTime, std::bind(&Dht::searchStep, this, ws));
         }
         onGetValuesDone(req.node, answer, sr, query);
     }
@@ -432,7 +447,7 @@ void Dht::searchSendAnnounceValue(const Sp<Search>& sr) {
     { /* when put done */
         if (auto sr = ws.lock()) {
             onAnnounceDone(req.node, answer, sr);
-            searchStep(sr);
+            scheduler.edit(sr->nextSearchStep, scheduler.time());
         }
     };
 
@@ -475,41 +490,61 @@ void Dht::searchSendAnnounceValue(const Sp<Search>& sr) {
             } catch (std::out_of_range&) { }
 
             auto next_refresh_time = now + getType(a.value->type).expiration;
+            auto& acked = sn->acked[a.value->id];
+            scheduler.cancel(acked.refresh);
             /* only put the value if the node doesn't already have it */
             if (not hasValue or seq_no < a.value->seq) {
                 if (logger_)
-                    logger_->d(sr->id, sn->node->id, "[search %s] [node %s] sending 'put' (vid: %d)",
+                    logger_->d(sr->id, sn->node->id, "[search %s] [node %s] sending 'put' (vid: %016" PRIx64 ")",
                         sr->id.toString().c_str(), sn->node->toString().c_str(), a.value->id);
                 auto created = a.permanent ? time_point::max() : a.created;
-                sn->acked[a.value->id] = {
+                acked = {
                     network_engine.sendAnnounceValue(sn->node, sr->id, a.value, created, sn->token, onDone, onExpired),
                     next_refresh_time
                 };
             } else if (hasValue and a.permanent) {
                 if (logger_)
-                    logger_->w(sr->id, sn->node->id, "[search %s] [node %s] sending 'refresh' (vid: %d)",
+                    logger_->w(sr->id, sn->node->id, "[search %s] [node %s] sending 'refresh' (vid: %016" PRIx64 ")",
                         sr->id.toString().c_str(), sn->node->toString().c_str(), a.value->id);
-                sn->acked[a.value->id] = {
-                    network_engine.sendRefreshValue(sn->node, sr->id, a.value->id, sn->token, onDone, onExpired),
+                acked = {
+                    network_engine.sendRefreshValue(sn->node, sr->id, a.value->id, sn->token, onDone,
+                    [this, ws, node=sn->node, v=a.value,
+                     onDone,
+                     onExpired,
+                     created = a.permanent ? time_point::max() : a.created,
+                     next_refresh_time
+                    ](const net::Request& /*req*/, net::DhtProtocolException&& e){
+                        if (e.getCode() == net::DhtProtocolException::NOT_FOUND) {
+                            if (logger_)
+                                logger_->e(node->id, "[node %s] returned error 404: storage not found", node->toString().c_str());
+                            if (auto sr = ws.lock()) {
+                                if (auto sn = sr->getNode(node)) {
+                                    sn->acked[v->id] = {
+                                        network_engine.sendAnnounceValue(sn->node, sr->id, v, created, sn->token, onDone, onExpired),
+                                        next_refresh_time
+                                    };
+                                    scheduler.edit(sr->nextSearchStep, scheduler.time());
+                                    return true;
+                                }
+                            }
+                        }
+                        return false;
+                    }, onExpired),
                     next_refresh_time
                 };
             } else {
                 if (logger_)
-                    logger_->w(sr->id, sn->node->id, "[search %s] [node %s] already has value (vid: %d). Aborting.",
+                    logger_->w(sr->id, sn->node->id, "[search %s] [node %s] already has value (vid: %016" PRIx64 "). Aborting.",
                         sr->id.toString().c_str(), sn->node->toString().c_str(), a.value->id);
                 auto ack_req = std::make_shared<net::Request>(net::Request::State::COMPLETED);
                 ack_req->reply_time = now;
-                sn->acked[a.value->id] = std::make_pair(std::move(ack_req), next_refresh_time);
+                acked = {std::move(ack_req), next_refresh_time};
 
                 /* step to clear announces */
                 scheduler.edit(sr->nextSearchStep, now);
             }
             if (a.permanent) {
-                scheduler.add(next_refresh_time - REANNOUNCE_MARGIN, [this,ws] {
-                    if (auto sr = ws.lock()) {
-                        searchStep(sr);
-                    }
-                });
+                acked.refresh = scheduler.add(next_refresh_time - REANNOUNCE_MARGIN, std::bind(&Dht::searchStep, this, ws));
             }
         }
     };
@@ -534,7 +569,7 @@ void Dht::searchSendAnnounceValue(const Sp<Search>& sr) {
                     sendQuery = true;
                 } else {
                     if (logger_)
-                        logger_->w(sr->id, n.node->id, "[search %s] [node %s] sending 'put' (vid: %d)",
+                        logger_->w(sr->id, n.node->id, "[search %s] [node %s] sending 'put' (vid: %016" PRIx64 ")",
                             sr->id.toString().c_str(), n.node->toString().c_str(), a.value->id);
                     n.acked[a.value->id] = {
                         network_engine.sendAnnounceValue(n.node, sr->id, a.value, a.created, n.token, onDone, onExpired),
@@ -569,33 +604,30 @@ Dht::searchSynchedNodeListen(const Sp<Search>& sr, SearchNode& n)
     std::weak_ptr<Search> ws = sr;
     for (const auto& l : sr->listeners) {
         const auto& query = l.second.query;
-        auto list_token = l.first;
-        if (n.getListenTime(query, listenExp) > scheduler.time())
+
+        auto r = n.listenStatus.find(query);
+        if (n.getListenTime(r, listenExp) > scheduler.time())
             continue;
         // if (logger_)
         //     logger_->d(sr->id, n.node->id, "[search %s] [node %s] sending 'listen'",
         //        sr->id.toString().c_str(), n.node->toString().c_str());
 
-        auto r = n.listenStatus.find(query);
         if (r == n.listenStatus.end()) {
             r = n.listenStatus.emplace(std::piecewise_construct,
                 std::forward_as_tuple(query),
                 std::forward_as_tuple(
-                [ws,list_token](const std::vector<Sp<Value>>& values, bool expired){
-                    if (auto sr = ws.lock()) {
-                        auto l = sr->listeners.find(list_token);
-                        if (l != sr->listeners.end()) {
-                            l->second.get_cb(values, expired);
+                    l.second.get_cb,
+                    l.second.sync_cb,
+                    n.node->openSocket([this,ws,query](const Sp<Node>& node, net::RequestAnswer&& answer) mutable {
+                        /* on new values */
+                        if (auto sr = ws.lock()) {
+                            scheduler.edit(sr->nextSearchStep, scheduler.time());
+                            sr->insertNode(node, scheduler.time(), answer.ntoken);
+                            if (auto sn = sr->getNode(node)) {
+                                sn->onValues(query, std::move(answer), types, scheduler);
+                            }
                         }
-                    }
-                }, [ws,list_token] (ListenSyncStatus status) {
-                    if (auto sr = ws.lock()) {
-                        auto l = sr->listeners.find(list_token);
-                        if (l != sr->listeners.end()) {
-                            l->second.sync_cb(status);
-                        }
-                    }
-                })).first;
+                    }))).first;
             r->second.cacheExpirationJob = scheduler.add(time_point::max(), [this,ws,query,node=n.node]{
                 if (auto sr = ws.lock()) {
                     if (auto sn = sr->getNode(node)) {
@@ -604,15 +636,14 @@ Dht::searchSynchedNodeListen(const Sp<Search>& sr, SearchNode& n)
                 }
             });
         }
-        auto prev_req = r != n.listenStatus.end() ? r->second.req : nullptr;
-        auto new_req = network_engine.sendListen(n.node, sr->id, *query, n.token, prev_req,
+        auto new_req = network_engine.sendListen(n.node, sr->id, *query, n.token, r->second.socketId,
             [this,ws,query](const net::Request& req, net::RequestAnswer&& answer) mutable
             { /* on done */
                 if (auto sr = ws.lock()) {
                     scheduler.edit(sr->nextSearchStep, scheduler.time());
                     if (auto sn = sr->getNode(req.node)) {
-                        scheduler.add(sn->getListenTime(query, getListenExpiration()), std::bind(&Dht::searchStep, this, sr));
-                        sn->onListenSynced(query);
+                        auto job = scheduler.add(sn->getListenTime(query, getListenExpiration()), std::bind(&Dht::searchStep, this, ws));
+                        sn->onListenSynced(query, true, std::move(job));
                     }
                     onListenDone(req.node, answer, sr);
                 }
@@ -625,16 +656,6 @@ Dht::searchSynchedNodeListen(const Sp<Search>& sr, SearchNode& n)
                         if (auto sn = sr->getNode(req.node))
                             sn->listenStatus.erase(query);
                 }
-            },
-            [this,ws,query](const Sp<Node>& node, net::RequestAnswer&& answer) mutable
-            { /* on new values */
-                if (auto sr = ws.lock()) {
-                    scheduler.edit(sr->nextSearchStep, scheduler.time());
-                    sr->insertNode(node, scheduler.time(), answer.ntoken);
-                    if (auto sn = sr->getNode(node)) {
-                        sn->onValues(query, std::move(answer), types, scheduler);
-                    }
-                }
             }
         );
         // Here the request may have failed and the CachedListenStatus removed
@@ -648,8 +669,9 @@ Dht::searchSynchedNodeListen(const Sp<Search>& sr, SearchNode& n)
 /* When a search is in progress, we periodically call search_step to send
    further requests. */
 void
-Dht::searchStep(Sp<Search> sr)
+Dht::searchStep(std::weak_ptr<Search> ws)
 {
+    auto sr = ws.lock();
     if (not sr or sr->expired or sr->done) return;
 
     const auto& now = scheduler.time();
@@ -717,7 +739,7 @@ Dht::searchStep(Sp<Search> sr)
 
     while (sr->currentlySolicitedNodeCount() < MAX_REQUESTED_SEARCH_NODES and searchSendGetValues(sr));
 
-    
+
     if (sr->getNumberOfConsecutiveBadNodes() >= std::min<size_t>(sr->nodes.size(), SEARCH_MAX_BAD_NODES))
     {
         if (logger_)
@@ -802,7 +824,7 @@ Dht::search(const InfoHash& id, sa_family_t af, GetCallback gcb, QueryCallback q
         sr->expired = false;
         sr->nodes.clear();
         sr->nodes.reserve(SEARCH_NODES+1);
-        sr->nextSearchStep = scheduler.add(time_point::max(), std::bind(&Dht::searchStep, this, sr));
+        sr->nextSearchStep = scheduler.add(time_point::max(), std::bind(&Dht::searchStep, this, std::weak_ptr<Search>(sr)));
         if (logger_)
             logger_->w(id, "[search %s IPv%c] new search", id.toString().c_str(), (af == AF_INET) ? '4' : '6');
         if (search_id == 0)
@@ -854,6 +876,11 @@ Dht::listenTo(const InfoHash& id, sa_family_t af, ValueCallback cb, Value::Filte
 size_t
 Dht::listen(const InfoHash& id, ValueCallback cb, Value::Filter f, Where where)
 {
+    if (not id) {
+        if (logger_)
+            logger_->w(id, "Listen called with invalid key");
+        return 0;
+    }
     scheduler.syncTime();
 
     auto token = ++listener_token;
@@ -936,7 +963,9 @@ struct GetStatus : public OpStatus {
 void
 Dht::put(const InfoHash& id, Sp<Value> val, DoneCallback callback, time_point created, bool permanent)
 {
-    if (not val) {
+    if (not id or not val) {
+        if (logger_)
+            logger_->w(id, "Put called with invalid key or value");
         if (callback)
             callback(false, {});
         return;
@@ -1006,6 +1035,13 @@ bool callbackWrapper(Cb get_cb, DoneCallback done_cb, const std::vector<Sp<T>>&
 void
 Dht::get(const InfoHash& id, GetCallback getcb, DoneCallback donecb, Value::Filter&& filter, Where&& where)
 {
+    if (not id) {
+        if (logger_)
+            logger_->w(id, "Get called with invalid key");
+        if (donecb)
+            donecb(false, {});
+        return;
+    }
     scheduler.syncTime();
 
     auto op = std::make_shared<GetStatus<std::map<Value::Id, Sp<Value>>>>();
@@ -1046,6 +1082,13 @@ Dht::get(const InfoHash& id, GetCallback getcb, DoneCallback donecb, Value::Filt
 
 void Dht::query(const InfoHash& id, QueryCallback cb, DoneCallback done_cb, Query&& q)
 {
+    if (not id) {
+        if (logger_)
+            logger_->w(id, "Query called with invalid key");
+        if (done_cb)
+            done_cb(false, {});
+        return;
+    }
     scheduler.syncTime();
     auto op = std::make_shared<GetStatus<std::vector<Sp<FieldValueIndex>>>>();
     auto f = q.where.getFilter();
@@ -1201,7 +1244,7 @@ Dht::storageChanged(const InfoHash& id, Storage& st, ValueStorage& v, bool newVa
                 vals.push_back(v.data);
                 Blob ntoken = makeToken(node_listeners.first->getAddr(), false);
                 network_engine.tellListener(node_listeners.first, l.first, id, 0, ntoken, {}, {},
-                        std::move(vals), l.second.query);
+                        std::move(vals), l.second.query, l.second.version);
             }
         }
     }
@@ -1234,8 +1277,9 @@ Dht::storageStore(const InfoHash& id, const Sp<Value>& value, time_point created
     if (auto vs = store.first) {
         total_store_size += store.second.size_diff;
         total_values += store.second.values_diff;
+        scheduler.cancel(vs->expiration_job);
         if (not permanent) {
-            scheduler.add(expiration, std::bind(&Dht::expireStorage, this, id));
+            vs->expiration_job = scheduler.add(expiration, std::bind(&Dht::expireStorage, this, id));
         }
         if (total_store_size > max_store_size) {
             expireStore();
@@ -1259,7 +1303,7 @@ Dht::storageErase(const InfoHash& id, Value::Id vid)
 }
 
 void
-Dht::storageAddListener(const InfoHash& id, const Sp<Node>& node, size_t socket_id, Query&& query)
+Dht::storageAddListener(const InfoHash& id, const Sp<Node>& node, size_t socket_id, Query&& query, int version)
 {
     const auto& now = scheduler.time();
     auto st = store.find(id);
@@ -1275,9 +1319,9 @@ Dht::storageAddListener(const InfoHash& id, const Sp<Node>& node, size_t socket_
         if (not vals.empty()) {
             network_engine.tellListener(node, socket_id, id, WANT4 | WANT6, makeToken(node->getAddr(), false),
                     dht4.buckets.findClosestNodes(id, now, TARGET_NODES), dht6.buckets.findClosestNodes(id, now, TARGET_NODES),
-                    std::move(vals), query);
+                    std::move(vals), query, version);
         }
-        node_listeners.emplace(socket_id, Listener {now, std::forward<Query>(query)});
+        node_listeners.emplace(socket_id, Listener {now, std::forward<Query>(query), version});
     }
     else
         l->second.refresh(now, std::forward<Query>(query));
@@ -1312,7 +1356,7 @@ Dht::expireStore(decltype(store)::iterator i)
                             id.toString().c_str(),
                             node_listeners.first->toString().c_str());
                     Blob ntoken = makeToken(node_listeners.first->getAddr(), false);
-                    network_engine.tellListenerExpired(node_listeners.first, l.first, id, ntoken, ids);
+                    network_engine.tellListenerExpired(node_listeners.first, l.first, id, ntoken, ids, l.second.version);
                 }
             }
         }
@@ -1395,6 +1439,7 @@ Dht::connectivityChanged(sa_family_t af)
     reported_addr.erase(std::remove_if(reported_addr.begin(), reported_addr.end(), [&](const ReportedAddr& addr){
         return addr.second.getFamily() == af;
     }), reported_addr.end());
+    startBootstrap(); // will only happen if disconnected
 }
 
 void
@@ -1576,10 +1621,10 @@ Dht::dumpSearch(const Search& sr, std::ostream& out) const
                 out << "[";
                 for (const auto& a : sr.announce) {
                     auto ack = n.acked.find(a.value->id);
-                    if (ack == n.acked.end() or not ack->second.first) {
+                    if (ack == n.acked.end() or not ack->second.req) {
                         out << ' ';
                     } else {
-                        out << ack->second.first->getStateChar();
+                        out << ack->second.req->getStateChar();
                     }
                 }
                 out << "] ";
@@ -1739,11 +1784,9 @@ fromDhtConfig(const Config& config)
     return netConf;
 }
 
-Dht::Dht() : store(), network_engine(logger_, rd, scheduler, {}) {}
-
 Dht::Dht(std::unique_ptr<net::DatagramSocket>&& sock, const Config& config, const Sp<Logger>& l)
     : DhtInterface(l),
-    myid(config.node_id ? config.node_id : InfoHash::getRandom()),
+    myid(config.node_id ? config.node_id : InfoHash::getRandom(rd)),
     store(),
     store_quota(),
     max_store_keys(config.max_store_size ? (int)config.max_store_size : MAX_HASHES),
@@ -1755,7 +1798,7 @@ Dht::Dht(std::unique_ptr<net::DatagramSocket>&& sock, const Config& config, cons
             std::bind(&Dht::onPing, this, _1),
             std::bind(&Dht::onFindNode, this, _1, _2, _3),
             std::bind(&Dht::onGetValues, this, _1, _2, _3, _4),
-            std::bind(&Dht::onListen, this, _1, _2, _3, _4, _5),
+            std::bind(&Dht::onListen, this, _1, _2, _3, _4, _5, _6),
             std::bind(&Dht::onAnnounce, this, _1, _2, _3, _4, _5),
             std::bind(&Dht::onRefresh, this, _1, _2, _3, _4)),
     persistPath(config.persist_path),
@@ -1785,13 +1828,13 @@ Dht::Dht(std::unique_ptr<net::DatagramSocket>&& sock, const Config& config, cons
     secret = std::uniform_int_distribution<uint64_t>{}(rd);
     rotateSecrets();
 
+    if (not persistPath.empty())
+        loadState(persistPath);
+
     expire();
 
     if (logger_)
         logger_->d("DHT node initialised with ID %s", myid.toString().c_str());
-
-    if (not persistPath.empty())
-        loadState(persistPath);
 }
 
 bool
@@ -1975,25 +2018,61 @@ Dht::expire()
     scheduler.add(expire_stuff_time, std::bind(&Dht::expire, this));
 }
 
+void
+Dht::onConnected()
+{
+    stopBootstrap();
+    auto callbacks = std::move(onConnectCallbacks_);
+    while (not callbacks.empty()) {
+        callbacks.front()();
+        callbacks.pop();
+    }
+}
+
 void
 Dht::onDisconnected()
+{
+    if (not bootstrapJob)
+        bootstrap();
+}
+
+void
+Dht::bootstrap()
 {
     if (dht4.status != NodeStatus::Disconnected || dht6.status != NodeStatus::Disconnected)
         return;
     if (logger_)
         logger_->d(myid, "Bootstraping");
-    for (const auto& boootstrap : bootstrap_nodes)
+    for (const auto& boootstrap : bootstrap_nodes) {
         try {
-            for (const auto& ip : network_engine.getSocket()->resolve(boootstrap.first, boootstrap.second))
+            auto ips = network_engine.getSocket()->resolve(boootstrap.first, boootstrap.second);
+            for (auto& ip : ips) {
+                if (ip.getPort() == 0)
+                    ip.setPort(net::DHT_DEFAULT_PORT);
                 pingNode(ip);
+            }
         } catch (const std::exception& e) {
             if (logger_)
                 logger_->e(myid, "Can't resolve %s:%s: %s", boootstrap.first.c_str(), boootstrap.second.c_str(), e.what());
         }
-    if (bootstrapJob)
-        bootstrapJob->cancel();
-    bootstrapJob = scheduler.add(scheduler.time() + bootstrap_period, std::bind(&Dht::onDisconnected, this));
-    bootstrap_period *= 2;
+    }
+    scheduler.cancel(bootstrapJob);
+    bootstrapJob = scheduler.add(scheduler.time() + bootstrap_period, std::bind(&Dht::bootstrap, this));
+    bootstrap_period = std::min(bootstrap_period * 2, BOOTSTRAP_PERIOD_MAX);
+}
+
+void
+Dht::startBootstrap()
+{
+    stopBootstrap();
+    bootstrapJob = scheduler.add(scheduler.time(), std::bind(&Dht::bootstrap, this));
+}
+
+void
+Dht::stopBootstrap()
+{
+    scheduler.cancel(bootstrapJob);
+    bootstrap_period = BOOTSTRAP_PERIOD;
 }
 
 void
@@ -2065,13 +2144,13 @@ Dht::importValues(const std::vector<ValuesExport>& import)
 {
     const auto& now = scheduler.time();
 
-    for (const auto& node : import) {
-        if (node.second.empty())
+    for (const auto& value : import) {
+        if (value.second.empty())
             continue;
 
         try {
             msgpack::unpacked msg;
-            msgpack::unpack(msg, (const char*)node.second.data(), node.second.size());
+            msgpack::unpack(msg, (const char*)value.second.data(), value.second.size());
             auto valarr = msg.get();
             if (valarr.type != msgpack::type::ARRAY)
                 throw msgpack::type_error();
@@ -2086,15 +2165,15 @@ Dht::importValues(const std::vector<ValuesExport>& import)
                     tmp_val.msgpack_unpack(valel.via.array.ptr[1]);
                 } catch (const std::exception&) {
                     if (logger_)
-                        logger_->e(node.first, "Error reading value at %s", node.first.toString().c_str());
+                        logger_->e(value.first, "Error reading value at %s", value.first.toString().c_str());
                     continue;
                 }
                 val_time = std::min(val_time, now);
-                storageStore(node.first, std::make_shared<Value>(std::move(tmp_val)), val_time);
+                storageStore(value.first, std::make_shared<Value>(std::move(tmp_val)), val_time);
             }
         } catch (const std::exception&) {
             if (logger_)
-                logger_->e(node.first, "Error reading values at %s", node.first.toString().c_str());
+                logger_->e(value.first, "Error reading values at %s", value.first.toString().c_str());
             continue;
         }
     }
@@ -2110,25 +2189,25 @@ Dht::exportNodes() const
     if (b4 != dht4.buckets.end()) {
         for (auto& n : b4->nodes)
             if (n->isGood(now))
-                nodes.push_back(n->exportNode());
+                nodes.emplace_back(n->exportNode());
     }
     const auto b6 = dht6.buckets.findBucket(myid);
     if (b6 != dht6.buckets.end()) {
         for (auto& n : b6->nodes)
             if (n->isGood(now))
-                nodes.push_back(n->exportNode());
+                nodes.emplace_back(n->exportNode());
     }
     for (auto b = dht4.buckets.begin(); b != dht4.buckets.end(); ++b) {
         if (b == b4) continue;
         for (auto& n : b->nodes)
             if (n->isGood(now))
-                nodes.push_back(n->exportNode());
+                nodes.emplace_back(n->exportNode());
     }
     for (auto b = dht6.buckets.begin(); b != dht6.buckets.end(); ++b) {
         if (b == b6) continue;
         for (auto& n : b->nodes)
             if (n->isGood(now))
-                nodes.push_back(n->exportNode());
+                nodes.emplace_back(n->exportNode());
     }
     return nodes;
 }
@@ -2170,7 +2249,6 @@ Dht::onError(Sp<net::Request> req, net::DhtProtocolException e) {
         if (logger_)
             logger_->e(node->id, "[node %s] token flush", node->toString().c_str());
         node->authError();
-        node->cancelRequest(req);
         for (auto& srp : searches(node->getFamily())) {
             auto& sr = srp.second;
             for (auto& n : sr->nodes) {
@@ -2320,7 +2398,7 @@ void Dht::onGetValuesDone(const Sp<Node>& node,
 }
 
 net::RequestAnswer
-Dht::onListen(Sp<Node> node, const InfoHash& hash, const Blob& token, size_t socket_id, const Query& query)
+Dht::onListen(Sp<Node> node, const InfoHash& hash, const Blob& token, size_t socket_id, const Query& query, int version)
 {
     if (not hash) {
         if (logger_)
@@ -2336,7 +2414,7 @@ Dht::onListen(Sp<Node> node, const InfoHash& hash, const Blob& token, size_t soc
         throw net::DhtProtocolException {net::DhtProtocolException::UNAUTHORIZED, net::DhtProtocolException::LISTEN_WRONG_TOKEN};
     }
     Query q = query;
-    storageAddListener(hash, node, socket_id, std::move(q));
+    storageAddListener(hash, node, socket_id, std::move(q), version);
     return {};
 }
 
@@ -2402,7 +2480,7 @@ Dht::onAnnounce(Sp<Node> n,
             if (*lv == *vc) {
                 storageRefresh(hash, v->id);
                 if (logger_)
-                    logger_->d(hash, node.id, "[store %s] [node %s] refreshed value %s", hash.toString().c_str(), node.toString().c_str(), std::to_string(v->id).c_str());
+                    logger_->d(hash, node.id, "[store %s] [node %s] refreshed value %016" PRIx64, hash.toString().c_str(), node.toString().c_str(), v->id);
             } else {
                 const auto& type = getType(lv->type);
                 if (type.editPolicy(hash, lv, vc, node.id, node.getAddr())) {
@@ -2445,7 +2523,7 @@ Dht::onRefresh(Sp<Node> node, const InfoHash& hash, const Blob& token, const Val
     }
     if (storageRefresh(hash, vid)) {
         if (logger_)
-            logger_->d(hash, node->id, "[store %s] [node %s] refreshed value %s", hash.toString().c_str(), node->toString().c_str(), std::to_string(vid).c_str());
+            logger_->d(hash, node->id, "[store %s] [node %s] refreshed value %016" PRIx64, hash.toString().c_str(), node->toString().c_str(), vid);
     } else {
         if (logger_)
             logger_->d(hash, node->id, "[store %s] [node %s] got refresh for unknown value",
@@ -2475,14 +2553,18 @@ Dht::storageRefresh(const InfoHash& id, Value::Id vid)
                             id.toString().c_str(),
                             node_listeners.first->toString().c_str());
                     Blob ntoken = makeToken(node_listeners.first->getAddr(), false);
-                    network_engine.tellListenerRefreshed(node_listeners.first, l.first, id, ntoken, ids);
+                    network_engine.tellListenerRefreshed(node_listeners.first, l.first, id, ntoken, ids, l.second.version);
                 }
             }
         }
 
         auto expiration = s->second.refresh(now, vid, types);
-        if (expiration != time_point::max())
-            scheduler.add(expiration, std::bind(&Dht::expireStorage, this, id));
+        if (expiration.first) {
+            scheduler.cancel(expiration.first->expiration_job);
+            if (expiration.second != time_point::max()) {
+                expiration.first->expiration_job = scheduler.add(expiration.second, std::bind(&Dht::expireStorage, this, id));
+            }
+        }
         return true;
     }
     return false;
@@ -2499,12 +2581,24 @@ Dht::onAnnounceDone(const Sp<Node>& node, net::RequestAnswer& answer, Sp<Search>
 }
 
 
+struct DhtState {
+    unsigned v {1};
+    InfoHash id;
+    std::vector<NodeExport> nodes;
+    std::vector<ValuesExport> values;
+
+    MSGPACK_DEFINE_MAP(v, id, nodes, values)
+};
+
 void
 Dht::saveState(const std::string& path) const
 {
+    DhtState state;
+    state.id = myid;
+    state.nodes = exportNodes();
+    state.values = exportValues();
     std::ofstream file(path);
-    msgpack::pack(file, exportNodes());
-    msgpack::pack(file, exportValues());
+    msgpack::pack(file, state);
 }
 
 void
@@ -2530,19 +2624,16 @@ Dht::loadState(const std::string& path)
         // Import nodes
         msgpack::object_handle oh;
         if (pac.next(oh)) {
-            {
-                auto imported_nodes = oh.get().as<std::vector<NodeExport>>();
-                if (logger_)
-                    logger_->d("Importing %zu nodes", imported_nodes.size());
-                for (const auto& node : imported_nodes)
-                    insertNode(node);
-            }
-            if (pac.next(oh)) {
-                auto imported_values = oh.get().as<std::vector<ValuesExport>>();
-                if (logger_)
-                    logger_->d("Importing %zu values", imported_values.size());
-                importValues(imported_values);
-            }
+            auto state = oh.get().as<DhtState>();
+            if (logger_)
+                logger_->d("Importing %zu nodes", state.nodes.size());
+            if (state.id)
+                myid = state.id;
+            std::vector<Sp<Node>> tmpNodes;
+            tmpNodes.reserve(state.nodes.size());
+            for (const auto& node : state.nodes)
+                tmpNodes.emplace_back(network_engine.insertNode(node.id, SockAddr(node.ss, node.sslen)));
+            importValues(state.values);
         }
     } catch (const std::exception& e) {
         if (logger_)

src/dht_proxy_client.cpp

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author: Sébastien Blin <sebastien.blin@savoirfairelinux.com>
  *          Adrien Béraud <adrien.beraud@savoirfairelinux.com>
  *          Vsevolod Ivanov <vsevolod.ivanov@savoirfairelinux.com>
@@ -41,15 +41,15 @@ struct DhtProxyClient::OperationState {
 struct DhtProxyClient::Listener
 {
     Listener(OpValueCache&& c):
-        cache(std::move(c))
-    {}
+        cache(std::move(c)) {}
 
-    unsigned callbackId;
     OpValueCache cache;
     CacheValueCallback cb;
     Sp<OperationState> opstate;
     std::shared_ptr<http::Request> request;
+#ifdef OPENDHT_PUSH_NOTIFICATIONS
     std::unique_ptr<asio::steady_timer> refreshSubscriberTimer;
+#endif
 };
 
 struct PermanentPut {
@@ -98,7 +98,7 @@ getRandomSessionId(size_t length = 8) {
     static constexpr const char chars[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789!#$%&()*+,./:;<=>?@[]^_`{|}~";
     std::string str(length, 0);
     crypto::random_device rdev;
-    std::uniform_int_distribution<> dist(0, (sizeof(chars)/sizeof(char)) - 1);
+    std::uniform_int_distribution<> dist(0, (sizeof(chars)/sizeof(char)) - 2);
     std::generate_n( str.begin(), length, [&]{ return chars[dist(rdev)]; } );
     return str;
 }
@@ -155,10 +155,10 @@ DhtProxyClient::startProxy()
     if (logger_)
         logger_->d("[proxy:client] start proxy with %s", proxyUrl_.c_str());
 
-    nextProxyConfirmationTimer_ = std::make_shared<asio::steady_timer>(httpContext_, std::chrono::steady_clock::now());
+    nextProxyConfirmationTimer_ = std::make_unique<asio::steady_timer>(httpContext_, std::chrono::steady_clock::now());
     nextProxyConfirmationTimer_->async_wait(std::bind(&DhtProxyClient::handleProxyConfirm, this, std::placeholders::_1));
 
-    listenerRestartTimer_ = std::make_shared<asio::steady_timer>(httpContext_);
+    listenerRestartTimer_ = std::make_unique<asio::steady_timer>(httpContext_);
 
     loopSignal_();
 }
@@ -242,7 +242,7 @@ DhtProxyClient::cancelAllListeners()
 }
 
 void
-DhtProxyClient::shutdown(ShutdownCallback cb)
+DhtProxyClient::shutdown(ShutdownCallback cb, bool)
 {
     stop();
     if (cb)
@@ -636,6 +636,8 @@ DhtProxyClient::queryProxyInfo(const Sp<InfoState>& infoState, const Sp<http::Re
         logger_->d("[proxy:client] [status] query ipv%i info", family == AF_INET ? 4 : 6);
     try {
         auto request = std::make_shared<http::Request>(httpContext_, resolver, family);
+        if (serverCertificate_)
+            request->set_certificate_authority(serverCertificate_);
         auto reqid = request->id();
         request->set_method(restinio::http_method_get());
         setHeaderFields(*request);
@@ -683,7 +685,7 @@ DhtProxyClient::onProxyInfos(const Json::Value& proxyInfos, const sa_family_t fa
 {
     if (isDestroying_)
         return;
-    std::lock_guard<std::mutex> l(lockCurrentProxyInfos_);
+    std::unique_lock<std::mutex> l(lockCurrentProxyInfos_);
     auto oldStatus = std::max(statusIpv4_, statusIpv6_);
     auto& status = family == AF_INET ? statusIpv4_ : statusIpv6_;
     if (not proxyInfos.isMember("node_id")) {
@@ -718,9 +720,19 @@ DhtProxyClient::onProxyInfos(const Json::Value& proxyInfos, const sa_family_t fa
     }
     auto newStatus = std::max(statusIpv4_, statusIpv6_);
     if (newStatus == NodeStatus::Connected) {
-        if (oldStatus == NodeStatus::Disconnected || oldStatus == NodeStatus::Connecting) {
+        if (oldStatus == NodeStatus::Disconnected || oldStatus == NodeStatus::Connecting || launchConnectedCbs_) {
+            launchConnectedCbs_ = false;
             listenerRestartTimer_->expires_at(std::chrono::steady_clock::now());
-            listenerRestartTimer_->async_wait(std::bind(&DhtProxyClient::restartListeners, this));
+            listenerRestartTimer_->async_wait(std::bind(&DhtProxyClient::restartListeners, this, std::placeholders::_1));
+            if (not onConnectCallbacks_.empty()) {
+                std::lock_guard<std::mutex> lock(lockCallbacks_);
+                callbacks_.emplace_back([cbs = std::move(onConnectCallbacks_)]() mutable {
+                    while (not cbs.empty()) {
+                        cbs.front()();
+                        cbs.pop();
+                    }
+                });
+            }
         }
         nextProxyConfirmationTimer_->expires_at(std::chrono::steady_clock::now() + std::chrono::minutes(15));
         nextProxyConfirmationTimer_->async_wait(std::bind(&DhtProxyClient::handleProxyConfirm, this, std::placeholders::_1));
@@ -729,6 +741,7 @@ DhtProxyClient::onProxyInfos(const Json::Value& proxyInfos, const sa_family_t fa
         nextProxyConfirmationTimer_->expires_at(std::chrono::steady_clock::now() + std::chrono::minutes(1));
         nextProxyConfirmationTimer_->async_wait(std::bind(&DhtProxyClient::handleProxyConfirm, this, std::placeholders::_1));
     }
+    l.unlock();
     loopSignal_();
 }
 
@@ -801,6 +814,7 @@ DhtProxyClient::listen(const InfoHash& key, ValueCallback cb, Value::Filter filt
             }
             return false;
         };
+#ifdef OPENDHT_PUSH_NOTIFICATIONS
         if (not deviceKey_.empty()) {
             /*
              * Relaunch push listeners even if a timeout is not received
@@ -813,17 +827,13 @@ DhtProxyClient::listen(const InfoHash& key, ValueCallback cb, Value::Filter filt
             l->second.refreshSubscriberTimer->async_wait(std::bind(&DhtProxyClient::handleResubscribe, this,
                                                          std::placeholders::_1, key, token, opstate));
         }
+#endif
         ListenMethod method;
         restinio::http_request_header_t header;
         if (deviceKey_.empty()){ // listen
             method = ListenMethod::LISTEN;
-#ifdef OPENDHT_PROXY_HTTP_PARSER_FORK
-            header.method(restinio::method_listen);
-            header.request_target("/" + key.toString());
-#else
             header.method(restinio::http_method_get());
             header.request_target("/key/" + key.toString() + "/listen");
-#endif
         }
         else {
             method = ListenMethod::SUBSCRIBE;
@@ -1078,8 +1088,16 @@ DhtProxyClient::getConnectivityStatus()
 }
 
 void
-DhtProxyClient::restartListeners()
+DhtProxyClient::restartListeners(const asio::error_code &ec)
 {
+    if (ec == asio::error::operation_aborted)
+        return;
+    else if (ec){
+        if (logger_)
+            logger_->e("[proxy:client] restart error: %s", ec.message().c_str());
+        return;
+    }
+
     if (isDestroying_)
         return;
     if (logger_)
@@ -1131,13 +1149,8 @@ DhtProxyClient::restartListeners()
             auto cb = listener.cb;
             // define header
             restinio::http_request_header_t header;
-#ifdef OPENDHT_PROXY_HTTP_PARSER_FORK
-            header.method(restinio::method_listen);
-            header.request_target("/" + search.first.toString());
-#else
             header.method(restinio::http_method_get());
             header.request_target("/key/" + search.first.toString() + "/listen");
-#endif
             sendListen(header, cb, opstate, listener, ListenMethod::LISTEN);
         }
     }
@@ -1150,9 +1163,13 @@ DhtProxyClient::pushNotificationReceived(const std::map<std::string, std::string
     {
         // If a push notification is received, the proxy is up and running
         std::lock_guard<std::mutex> l(lockCurrentProxyInfos_);
+        auto oldStatus = std::max(statusIpv4_, statusIpv6_);
+        if (oldStatus != NodeStatus::Connected)
+            launchConnectedCbs_ = true;
         statusIpv4_ = NodeStatus::Connected;
         statusIpv6_ = NodeStatus::Connected;
     }
+    auto launchLoop = false;
     try {
         auto sessionId = notification.find("s");
         if (sessionId != notification.end() and sessionId->second != pushSessionId_) {
@@ -1214,7 +1231,7 @@ DhtProxyClient::pushNotificationReceived(const std::map<std::string, std::string
                         ids.emplace_back(std::stoull(substr));
                     }
                     {
-                        std::lock_guard<std::mutex> lock(lockCallbacks_);
+                        std::lock_guard<std::mutex> lockCb(lockCallbacks_);
                         callbacks_.emplace_back([this, key, token, opstate, ids, sendTime]() {
                             if (opstate->stop)
                                 return;
@@ -1229,7 +1246,7 @@ DhtProxyClient::pushNotificationReceived(const std::map<std::string, std::string
                                 opstate->stop = true;
                         });
                     }
-                    loopSignal_();
+                    launchLoop = true;
                 }
             }
         }
@@ -1237,6 +1254,8 @@ DhtProxyClient::pushNotificationReceived(const std::map<std::string, std::string
         if (logger_)
             logger_->e("[proxy:client] [push] receive error: %s", e.what());
     }
+    if (launchLoop)
+        loopSignal_();
 #else
     (void) notification;
 #endif
@@ -1252,11 +1271,7 @@ DhtProxyClient::resubscribe(const InfoHash& key, const size_t token, Listener& l
         logger_->d("[proxy:client] [resubscribe] [search %s]", key.to_c_str());
 
     auto opstate = listener.opstate;
-    opstate->stop = true;
-    if (listener.request){
-        listener.request.reset();
-    }
-    opstate->stop = false;
+    listener.request.reset(); // This will update ok to false
     opstate->ok = true;
 
     restinio::http_request_header_t header;

src/dht_proxy_server.cpp

@@ -1,5 +1,5 @@
 /*
- *  Copyright (C) 2014-2020 Savoir-faire Linux Inc.
+ *  Copyright (C) 2014-2022 Savoir-faire Linux Inc.
  *  Author: Sébastien Blin <sebastien.blin@savoirfairelinux.com>
  *          Adrien Béraud <adrien.beraud@savoirfairelinux.com>
  *          Vsevolod Ivanov <vsevolod.ivanov@savoirfairelinux.com>
@@ -34,29 +34,11 @@
 #include <functional>
 #include <limits>
 #include <iostream>
+#include <fstream>
 
 using namespace std::placeholders;
 using namespace std::chrono_literals;
-
-#ifdef OPENDHT_PROXY_HTTP_PARSER_FORK
-namespace restinio {
-struct custom_http_methods_t
-{
-    static constexpr restinio::http_method_id_t from_nodejs(int m) noexcept {
-        if(m == method_listen.raw_id())
-            return method_listen;
-        else if(m == method_stats.raw_id())
-            return method_stats;
-        else if(m == method_sign.raw_id())
-            return method_sign;
-        else if(m == method_encrypt.raw_id())
-            return method_encrypt;
-        else
-            return restinio::default_http_methods_t::from_nodejs(m);
-    }
-};
-}
-#endif
+using namespace std::literals;
 
 namespace dht {
 constexpr char RESP_MSG_JSON_INCORRECT[] = "{\"err:\":\"Incorrect JSON\"}";
@@ -118,7 +100,7 @@ class DhtProxyServer::ConnectionListener
 {
 public:
     ConnectionListener() {};
-    ConnectionListener(std::function<void(restinio::connection_id_t)> onClosed) : onClosed_(std::move(onClosed)) {};
+    explicit ConnectionListener(std::function<void(restinio::connection_id_t)> onClosed) : onClosed_(std::move(onClosed)) {};
     ~ConnectionListener() {};
 
     /**
@@ -155,9 +137,6 @@ DhtProxyServer::onConnectionClosed(restinio::connection_id_t id)
 struct DhtProxyServer::RestRouterTraitsTls : public restinio::default_tls_traits_t
 {
     using timer_manager_t = restinio::asio_timer_manager_t;
-#ifdef OPENDHT_PROXY_HTTP_PARSER_FORK
-    using http_methods_mapper_t = restinio::custom_http_methods_t;
-#endif
     using logger_t = opendht_logger_t;
     using request_handler_t = RestRouter;
     using connection_state_listener_t = ConnectionListener;
@@ -165,34 +144,78 @@ struct DhtProxyServer::RestRouterTraitsTls : public restinio::default_tls_traits
 struct DhtProxyServer::RestRouterTraits : public restinio::default_traits_t
 {
     using timer_manager_t = restinio::asio_timer_manager_t;
-#ifdef OPENDHT_PROXY_HTTP_PARSER_FORK
-    using http_methods_mapper_t = restinio::custom_http_methods_t;
-#endif
     using logger_t = opendht_logger_t;
     using request_handler_t = RestRouter;
     using connection_state_listener_t = ConnectionListener;
 };
 
-DhtProxyServer::DhtProxyServer(
-    crypto::Identity identity,
-    std::shared_ptr<DhtRunner> dht, in_port_t port, const std::string& pushServer,
-    std::shared_ptr<Logger> logger
+void
+DhtProxyServer::PermanentPut::msgpack_unpack(const msgpack::object& o)
+{
+    if (auto cid = findMapValue(o, "cid"sv)) {
+        clientId = cid->as<std::string>();
+    }
+    if (auto exp = findMapValue(o, "exp"sv)) {
+        expiration = from_time_t(exp->as<time_t>());
+    }
+    if (auto token = findMapValue(o, "token"sv)) {
+        pushToken = token->as<std::string>();
+    }
+    if (auto sid = findMapValue(o, "sid"sv)) {
+        if (not sessionCtx)
+            sessionCtx = std::make_shared<PushSessionContext>(sid->as<std::string>());
+        else
+            sessionCtx->sessionId = sid->as<std::string>();
+    }
+    if (auto t = findMapValue(o, "t"sv)) {
+        type = t->as<PushType>();
+    }
+    if (auto val = findMapValue(o, "value"sv)) {
+        value = std::make_shared<dht::Value>(*val);
+    }
+}
+
+#ifdef OPENDHT_PUSH_NOTIFICATIONS
+void
+DhtProxyServer::Listener::msgpack_unpack(const msgpack::object& o)
+{
+    if (auto cid = findMapValue(o, "cid"sv)) {
+        clientId = cid->as<std::string>();
+    }
+    if (auto exp = findMapValue(o, "exp"sv)) {
+        expiration = from_time_t(exp->as<time_t>());
+    }
+    if (auto sid = findMapValue(o, "sid"sv)) {
+        if (not sessionCtx)
+            sessionCtx = std::make_shared<PushSessionContext>(sid->as<std::string>());
+        else
+            sessionCtx->sessionId = sid->as<std::string>();
+    }
+    if (auto t = findMapValue(o, "t"sv)) {
+        type = t->as<PushType>();
+    }
+}
+#endif
+
+DhtProxyServer::DhtProxyServer(const std::shared_ptr<DhtRunner>& dht,
+        const ProxyServerConfig& config,
+        const std::shared_ptr<dht::Logger>& logger
 )
     :   ioContext_(std::make_shared<asio::io_context>()),
-        dht_(dht), logger_(logger),
+        dht_(dht), persistPath_(config.persistStatePath), logger_(logger),
         printStatsTimer_(std::make_unique<asio::steady_timer>(*ioContext_, 3s)),
         connListener_(std::make_shared<ConnectionListener>(std::bind(&DhtProxyServer::onConnectionClosed, this, std::placeholders::_1))),
-        pushServer_(pushServer)
+        pushServer_(config.pushServer)
 {
     if (not dht_)
         throw std::invalid_argument("A DHT instance must be provided");
 
     if (logger_)
-        logger_->d("[proxy:server] [init] running on %i", port);
-    if (not pushServer.empty()){
+        logger_->d("[proxy:server] [init] running on %i", config.port);
+    if (not pushServer_.empty()){
 #ifdef OPENDHT_PUSH_NOTIFICATIONS
         if (logger_)
-            logger_->d("[proxy:server] [init] using push server %s", pushServer.c_str());
+            logger_->d("[proxy:server] [init] using push server %s", pushServer_.c_str());
 #else
         if (logger_)
             logger_->e("[proxy:server] [init] opendht built without push notification support");
@@ -202,9 +225,9 @@ DhtProxyServer::DhtProxyServer(
     jsonBuilder_["commentStyle"] = "None";
     jsonBuilder_["indentation"] = "";
 
-    if (!pushServer.empty()){
+    if (!pushServer_.empty()){
         // no host delim, assume port only
-        if (pushServer.find(":") == std::string::npos)
+        if (pushServer_.find(":") == std::string::npos)
             pushServer_ =  "localhost:" + pushServer_;
         // define http request destination for push notifications
         pushHostPort_ = splitPort(pushServer_);
@@ -212,7 +235,7 @@ DhtProxyServer::DhtProxyServer(
             logger_->d("Using push server for notifications: %s:%s", pushHostPort_.first.c_str(),
                                                                      pushHostPort_.second.c_str());
     }
-    if (identity.first and identity.second) {
+    if (config.identity.first and config.identity.second) {
         asio::error_code ec;
         // define tls context
         asio::ssl::context tls_context { asio::ssl::context::sslv23 };
@@ -226,13 +249,13 @@ DhtProxyServer::DhtProxyServer(
         SSL_CTX_set_options(tls_context.native_handle(), SSL_OP_NO_RENEGOTIATION); // CVE-2009-3555
 #endif
         // node private key
-        auto key = identity.first->serialize();
+        auto key = config.identity.first->serialize();
         tls_context.use_private_key(asio::const_buffer{key.data(), key.size()},
                                     asio::ssl::context::file_format::pem, ec);
         if (ec)
             throw std::runtime_error("Error setting node's private key: " + ec.message());
         // certificate chain
-        auto certchain = identity.second->toString(true/*chain*/);
+        auto certchain = config.identity.second->toString(true/*chain*/);
         tls_context.use_certificate_chain(asio::const_buffer{certchain.data(), certchain.size()}, ec);
         if (ec)
             throw std::runtime_error("Error setting certificate chain: " + ec.message());
@@ -241,7 +264,7 @@ DhtProxyServer::DhtProxyServer(
         // build http server
         auto settings = restinio::run_on_this_thread_settings_t<RestRouterTraitsTls>();
         addServerSettings(settings);
-        settings.port(port);
+        settings.port(config.port);
         settings.tls_context(std::move(tls_context));
         httpsServer_ = std::make_unique<restinio::http_server_t<RestRouterTraitsTls>>(
             ioContext_,
@@ -258,7 +281,7 @@ DhtProxyServer::DhtProxyServer(
     else {
         auto settings = restinio::run_on_this_thread_settings_t<RestRouterTraits>();
         addServerSettings(settings);
-        settings.port(port);
+        settings.port(config.port);
         httpServer_ = std::make_unique<restinio::http_server_t<RestRouterTraits>>(
             ioContext_,
             std::forward<restinio::run_on_this_thread_settings_t<RestRouterTraits>>(std::move(settings))
@@ -274,8 +297,158 @@ DhtProxyServer::DhtProxyServer(
     dht->forwardAllMessages(true);
     updateStats();
     printStatsTimer_->async_wait(std::bind(&DhtProxyServer::handlePrintStats, this, std::placeholders::_1));
+
+    if (not persistPath_.empty()) {
+        try {
+            std::ifstream stateFile(persistPath_, std::ios::binary | std::ios::ate);
+            if (stateFile) {
+                std::streamsize size = stateFile.tellg();
+                stateFile.seekg(0, std::ios::beg);
+                if (logger_)
+                    logger_->d("Loading proxy state from %.*s (%td bytes)", (int)persistPath_.size(), persistPath_.c_str(), size);
+                loadState(stateFile, size);
+            }
+        } catch (const std::exception& e) {
+            if (logger_)
+                logger_->e("Error loading state from file: %s", e.what());
+        }
+    }
 }
 
+template <typename Os>
+void
+DhtProxyServer::saveState(Os& stream) {
+    msgpack::packer<Os> pk(&stream);
+    pk.pack_map(2);
+    {
+        std::lock_guard<std::mutex> lock(lockSearchPuts_);
+        pk.pack("puts");
+        pk.pack(puts_);
+    }
+#ifdef OPENDHT_PUSH_NOTIFICATIONS
+    {
+        std::lock_guard<std::mutex> lock(lockListener_);
+        pk.pack("pushListeners");
+        pk.pack(pushListeners_);
+    }
+#endif
+}
+
+template <typename Is>
+void
+DhtProxyServer::loadState(Is& is, size_t size) {
+    msgpack::unpacker pac;
+    pac.reserve_buffer(size);
+    if (is.read(pac.buffer(), size)) {
+        pac.buffer_consumed(size);
+
+        msgpack::object_handle oh;
+        while (pac.next(oh)) {
+            if (oh.get().type != msgpack::type::MAP)
+                continue;
+            if (auto puts = findMapValue(oh.get(), "puts"sv)) {
+                std::lock_guard<std::mutex> lock(lockSearchPuts_);
+                puts_ = puts->as<decltype(puts_)>();
+                if (logger_)
+                    logger_->d("Loading %zu persistent puts", puts_.size());
+                for (auto& put : puts_) {
+                    for (auto& pput : put.second.puts) {
+                        pput.second.expireTimer = std::make_unique<asio::steady_timer>(io_context(), pput.second.expiration);
+                        pput.second.expireTimer->async_wait(std::bind(&DhtProxyServer::handleCancelPermamentPut, this,
+                                                std::placeholders::_1, put.first, pput.first));
+#ifdef OPENDHT_PUSH_NOTIFICATIONS
+                        if (not pput.second.pushToken.empty()) {
+                            auto jsonProvider = [infoHash=put.first.toString(), clientId=pput.second.clientId, vid = pput.first, sessionCtx = pput.second.sessionCtx](){
+                                Json::Value json;
+                                json["timeout"] = infoHash;
+                                json["to"] = clientId;
+                                json["vid"] = std::to_string(vid);
+                                if (sessionCtx) {
+                                    std::lock_guard<std::mutex> l(sessionCtx->lock);
+                                    json["s"] = sessionCtx->sessionId;
+                                }
+                                return json;
+                            };
+                            pput.second.expireNotifyTimer = std::make_unique<asio::steady_timer>(io_context(), pput.second.expiration - proxy::OP_MARGIN);
+                            pput.second.expireNotifyTimer->async_wait(std::bind(
+                                &DhtProxyServer::handleNotifyPushListenExpire, this,
+                                std::placeholders::_1, pput.second.pushToken, std::move(jsonProvider), pput.second.type));
+                        }
+#endif
+                        dht_->put(put.first, pput.second.value, DoneCallbackSimple{}, time_point::max(), true);
+                    }
+                }
+            } else {
+                if (logger_)
+                    logger_->d("No persistent puts in state");
+            }
+#ifdef OPENDHT_PUSH_NOTIFICATIONS
+            if (auto pushListeners = findMapValue(oh.get(), "pushListeners"sv)) {
+                std::lock_guard<std::mutex> lock(lockListener_);
+                pushListeners_ = pushListeners->as<decltype(pushListeners_)>();
+                if (logger_)
+                    logger_->d("Loading %zu push listeners", pushListeners_.size());
+                for (auto& pushListener : pushListeners_) {
+                    for (auto& listeners : pushListener.second.listeners) {
+                        for (auto& listener : listeners.second) {
+                            listener.internalToken = dht_->listen(listeners.first,
+                                [this, infoHash=listeners.first, pushToken=pushListener.first, type=listener.type, clientId=listener.clientId, sessionCtx = listener.sessionCtx]
+                                (const std::vector<std::shared_ptr<Value>>& values, bool expired) {
+                                    // Build message content
+                                    Json::Value json;
+                                    json["key"] = infoHash.toString();
+                                    json["to"] = clientId;
+                                    json["t"] = Json::Value::Int64(std::chrono::duration_cast<std::chrono::milliseconds>(system_clock::now().time_since_epoch()).count());
+                                    {
+                                        std::lock_guard<std::mutex> l(sessionCtx->lock);
+                                        json["s"] = sessionCtx->sessionId;
+                                    }
+                                    if (expired and values.size() < 2){
+                                        std::stringstream ss;
+                                        for(size_t i = 0; i < values.size(); ++i){
+                                            if(i != 0) ss << ",";
+                                            ss << values[i]->id;
+                                        }
+                                        json["exp"] = ss.str();
+                                    }
+                                    auto maxPrio = 1000u;
+                                    for (const auto& v : values)
+                                        maxPrio = std::min(maxPrio, v->priority);
+                                    sendPushNotification(pushToken, std::move(json), type, !expired and maxPrio == 0);
+                                    return true;
+                                }
+                            );
+                            // expire notify
+                            listener.expireNotifyTimer = std::make_unique<asio::steady_timer>(io_context(), listener.expiration - proxy::OP_MARGIN);
+                            auto jsonProvider = [infoHash = listeners.first.toString(), clientId = listener.clientId, sessionCtx = listener.sessionCtx](){
+                                Json::Value json;
+                                json["timeout"] = infoHash;
+                                json["to"] = clientId;
+                                std::lock_guard<std::mutex> l(sessionCtx->lock);
+                                json["s"] = sessionCtx->sessionId;
+                                return json;
+                            };
+                            listener.expireNotifyTimer->async_wait(std::bind(&DhtProxyServer::handleNotifyPushListenExpire, this,
+                                                                std::placeholders::_1, pushListener.first, std::move(jsonProvider), listener.type));
+                            // cancel push listen
+                            listener.expireTimer = std::make_unique<asio::steady_timer>(io_context(), listener.expiration);
+                            listener.expireTimer->async_wait(std::bind(&DhtProxyServer::handleCancelPushListen, this,
+                                                            std::placeholders::_1, pushListener.first, listeners.first, listener.clientId));
+                        }
+                    }
+                }
+            } else {
+                if (logger_)
+                    logger_->d("No push listeners in state");
+            }
+#endif
+        }
+        if (logger_)
+            logger_->d("loading ended");
+    }
+}
+
+
 asio::io_context&
 DhtProxyServer::io_context() const
 {
@@ -284,6 +457,12 @@ DhtProxyServer::io_context() const
 
 DhtProxyServer::~DhtProxyServer()
 {
+    if (not persistPath_.empty()) {
+        if (logger_)
+            logger_->d("Saving proxy state to %.*s", (int)persistPath_.size(), persistPath_.c_str());
+        std::ofstream stateFile(persistPath_, std::ios::binary);
+        saveState(stateFile);
+    }
     if (dht_) {
         std::lock_guard<std::mutex> lock(lockListener_);
         for (auto& l : listeners_) {
@@ -359,6 +538,10 @@ DhtProxyServer::updateStats(std::shared_ptr<NodeInfo> info) const
 #ifdef OPENDHT_PUSH_NOTIFICATIONS
     stats.pushListenersCount = pushListeners_.size();
 #endif
+    stats.totalPermanentPuts = 0;
+    std::for_each(puts_.begin(), puts_.end(), [&stats](const auto& put) {
+        stats.totalPermanentPuts += put.second.puts.size();
+    });
     stats.putCount = puts_.size();
     stats.listenCount = listeners_.size();
     stats.nodeInfo = std::move(info);
@@ -405,11 +588,6 @@ DhtProxyServer::createRestRouter()
     // **************************** LEGACY ROUTES ****************************
     // node.info
     router->http_get("/", std::bind(&DhtProxyServer::getNodeInfo, this, _1, _2));
-#ifdef OPENDHT_PROXY_HTTP_PARSER_FORK
-    // node.stats
-    router->add_handler(restinio::custom_http_methods_t::from_nodejs(restinio::method_stats.raw_id()),
-                        "/", std::bind(&DhtProxyServer::getStats, this, _1, _2));
-#endif
     // key.options
     router->add_handler(restinio::http_method_options(),
                         "/:hash", std::bind(&DhtProxyServer::options, this, _1, _2));
@@ -417,11 +595,6 @@ DhtProxyServer::createRestRouter()
     router->http_get("/:hash", std::bind(&DhtProxyServer::get, this, _1, _2));
     // key.post
     router->http_post("/:hash", std::bind(&DhtProxyServer::put, this, _1, _2));
-#ifdef OPENDHT_PROXY_HTTP_PARSER_FORK
-    // key.listen
-    router->add_handler(restinio::custom_http_methods_t::from_nodejs(restinio::method_listen.raw_id()),
-                        "/:hash", std::bind(&DhtProxyServer::listen, this, _1, _2));
-#endif
 #ifdef OPENDHT_PUSH_NOTIFICATIONS
     // key.subscribe
     router->add_handler(restinio::http_method_subscribe(),
@@ -431,14 +604,6 @@ DhtProxyServer::createRestRouter()
                         "/:hash", std::bind(&DhtProxyServer::unsubscribe, this, _1, _2));
 #endif //OPENDHT_PUSH_NOTIFICATIONS
 #ifdef OPENDHT_PROXY_SERVER_IDENTITY
-#ifdef OPENDHT_PROXY_HTTP_PARSER_FORK
-    // key.sign
-    router->add_handler(restinio::custom_http_methods_t::from_nodejs(restinio::method_sign.raw_id()),
-                        "/:hash", std::bind(&DhtProxyServer::putSigned, this, _1, _2));
-    // key.encrypt
-    router->add_handler(restinio::custom_http_methods_t::from_nodejs(restinio::method_encrypt.raw_id()),
-                        "/:hash", std::bind(&DhtProxyServer::putEncrypted, this, _1, _2));
-#endif
 #endif // OPENDHT_PROXY_SERVER_IDENTITY
 
     // **************************** NEW ROUTES ****************************
@@ -519,9 +684,9 @@ DhtProxyServer::get(restinio::request_handle_t request,
 {
     requestNum_++;
     try {
-        InfoHash infoHash(params["hash"].to_string());
+        InfoHash infoHash(params["hash"]);
         if (!infoHash)
-            infoHash = InfoHash::get(params["hash"].to_string());
+            infoHash = InfoHash::get(params["hash"]);
         auto response = std::make_shared<ResponseByPartsBuilder>(
             initHttpResponse(request->create_response<ResponseByParts>()));
         response->flush();
@@ -550,9 +715,9 @@ DhtProxyServer::listen(restinio::request_handle_t request,
     requestNum_++;
 
     try {
-        InfoHash infoHash(params["hash"].to_string());
+        InfoHash infoHash(params["hash"]);
         if (!infoHash)
-            infoHash = InfoHash::get(params["hash"].to_string());
+            infoHash = InfoHash::get(params["hash"]);
         auto response = std::make_shared<ResponseByPartsBuilder>(
             initHttpResponse(request->create_response<ResponseByParts>()));
         response->flush();
@@ -585,12 +750,11 @@ DhtProxyServer::subscribe(restinio::request_handle_t request,
                           restinio::router::route_params_t params)
 {
     requestNum_++;
-
-    InfoHash infoHash(params["hash"].to_string());
-    if (!infoHash)
-        infoHash = InfoHash::get(params["hash"].to_string());
-
     try {
+        InfoHash infoHash(params["hash"]);
+        if (!infoHash)
+            infoHash = InfoHash::get(params["hash"]);
+
         std::string err;
         Json::Value r;
         auto* char_data = reinterpret_cast<const char*>(request->body().data());
@@ -607,117 +771,115 @@ DhtProxyServer::subscribe(restinio::request_handle_t request,
             response.set_body(RESP_MSG_NO_TOKEN);
             return response.done();
         }
-        auto isAndroid = root["platform"].asString() == "android";
+        auto type = root["platform"].asString() == "android" ? PushType::Android : PushType::iOS;
         auto clientId = root["client_id"].asString();
         auto sessionId = root["session_id"].asString();
 
         if (logger_)
             logger_->d("[proxy:server] [subscribe %s] [client %s] [session %s]", infoHash.toString().c_str(), clientId.c_str(), sessionId.c_str());
-        // ================ Search for existing listener ===================
-        // start the timer
-        auto timeout = std::chrono::steady_clock::now() + proxy::OP_TIMEOUT;
-        std::lock_guard<std::mutex> lock(lockPushListeners_);
 
         // Insert new or return existing push listeners of a token
+        std::lock_guard<std::mutex> lock(lockListener_);
         auto& pushListener = pushListeners_[pushToken];
         auto& pushListeners = pushListener.listeners[infoHash];
 
-        for (auto &listener: pushListeners) {
-            // Found -> Resubscribe
-            if (listener.clientId == clientId) {
-                if (logger_)
-                    logger_->d("[proxy:server] [subscribe] found [client %s]", listener.clientId.c_str());
-                // Reset timers
-                listener.expireTimer->expires_at(timeout);
-                listener.expireNotifyTimer->expires_at(timeout - proxy::OP_MARGIN);
-                {
-                    std::lock_guard<std::mutex> l(listener.sessionCtx->lock);
-                    listener.sessionCtx->sessionId = sessionId;
-                }
-                // Send response header
-                auto response = std::make_shared<ResponseByPartsBuilder>(
-                    initHttpResponse(request->create_response<ResponseByParts>()));
-                response->flush();
-                if (!root["refresh"].asBool()) {
-                    // No Refresh
-                    dht_->get(infoHash, [this, response](const Sp<Value>& value){
-                        auto output = Json::writeString(jsonBuilder_, value->toJson()) + "\n";
-                        response->append_chunk(output);
-                        response->flush();
-                        return true;
-                    },
-                    [response] (bool){
-                        response->done();
-                    });
-                } else {
-                    // Refresh
-                    response->append_chunk("{}\n");
-                    response->done();
-                }
-                return restinio::request_handling_status_t::accepted;
-            }
+        auto listIt = std::find_if(pushListeners.begin(), pushListeners.end(), [&](const Listener& l) {
+            return l.clientId == clientId;
+        });
+        bool newListener = listIt == pushListeners.end();
+        if (newListener) {
+            pushListeners.emplace_back(Listener{});
+            listIt = std::prev(pushListeners.end());
+            listIt->clientId = clientId;
+            listIt->sessionCtx = std::make_shared<PushSessionContext>(sessionId);
+        } else {
+            std::lock_guard<std::mutex> l(listIt->sessionCtx->lock);
+            listIt->sessionCtx->sessionId = sessionId;
         }
-        // =========== No existing listener for an infoHash ============
-        // Add new listener to list of listeners
-        pushListeners.emplace_back(Listener{});
-        auto &listener = pushListeners.back();
-        listener.clientId = clientId;
-        listener.sessionCtx = std::make_shared<PushSessionContext>();
-        listener.sessionCtx->sessionId = sessionId;
+        auto& listener = *listIt;
 
-        // Add listen on dht
-        listener.internalToken = dht_->listen(infoHash,
-            [this, infoHash, pushToken, isAndroid, clientId, sessionCtx = listener.sessionCtx]
-            (const std::vector<std::shared_ptr<Value>>& values, bool expired){
-                // Build message content
-                Json::Value json;
-                json["key"] = infoHash.toString();
-                json["to"] = clientId;
-                json["t"] = Json::Value::Int64(std::chrono::duration_cast<std::chrono::milliseconds>(system_clock::now().time_since_epoch()).count());
-                {
-                    std::lock_guard<std::mutex> l(sessionCtx->lock);
-                    json["s"] = sessionCtx->sessionId;
-                }
-                if (expired and values.size() < 2){
-                    std::stringstream ss;
-                    for(size_t i = 0; i < values.size(); ++i){
-                        if(i != 0) ss << ",";
-                        ss << values[i]->id;
-                    }
-                    json["exp"] = ss.str();
-                }
-                auto maxPrio = 1000u;
-                for (const auto& v : values)
-                    maxPrio = std::min(maxPrio, v->priority);
-                sendPushNotification(pushToken, std::move(json), isAndroid, !expired and maxPrio == 0);
-                return true;
-            }
-        );
-        // expire notify
-        if (!listener.expireNotifyTimer)
-            listener.expireNotifyTimer = std::make_unique<asio::steady_timer>(io_context(), timeout - proxy::OP_MARGIN);
-        else
+        // Expiration
+        auto timeout = std::chrono::steady_clock::now() + proxy::OP_TIMEOUT;
+        listener.expiration = timeout;
+        listener.type = type;
+        if (listener.expireNotifyTimer)
             listener.expireNotifyTimer->expires_at(timeout - proxy::OP_MARGIN);
-        auto jsonProvider = [infoHash, clientId, sessionCtx = listener.sessionCtx](){
+        else
+            listener.expireNotifyTimer = std::make_unique<asio::steady_timer>(io_context(), timeout - proxy::OP_MARGIN);
+        auto jsonProvider = [h=infoHash.toString(), clientId, sessionCtx = listener.sessionCtx](){
             Json::Value json;
-            json["timeout"] = infoHash.toString();
+            json["timeout"] = h;
             json["to"] = clientId;
             std::lock_guard<std::mutex> l(sessionCtx->lock);
             json["s"] = sessionCtx->sessionId;
             return json;
         };
         listener.expireNotifyTimer->async_wait(std::bind(&DhtProxyServer::handleNotifyPushListenExpire, this,
-                                               std::placeholders::_1, pushToken, std::move(jsonProvider), isAndroid));
-        // cancel push listen
+                                               std::placeholders::_1, pushToken, std::move(jsonProvider), listener.type));
         if (!listener.expireTimer)
             listener.expireTimer = std::make_unique<asio::steady_timer>(io_context(), timeout);
         else
             listener.expireTimer->expires_at(timeout);
         listener.expireTimer->async_wait(std::bind(&DhtProxyServer::handleCancelPushListen, this,
-                                         std::placeholders::_1, pushToken, infoHash, clientId));
-        auto response = initHttpResponse(request->create_response());
-        response.set_body("{}\n");
-        return response.done();
+                                        std::placeholders::_1, pushToken, infoHash, clientId));
+
+        // Send response
+        if (not newListener) {
+            if (logger_)
+                logger_->d("[proxy:server] [subscribe] found [client %s]", listener.clientId.c_str());
+            // Send response header
+            auto response = std::make_shared<ResponseByPartsBuilder>(initHttpResponse(request->create_response<ResponseByParts>()));
+            response->flush();
+            if (!root["refresh"].asBool()) {
+                // No Refresh
+                dht_->get(infoHash, [this, response](const Sp<Value>& value){
+                    auto output = Json::writeString(jsonBuilder_, value->toJson()) + "\n";
+                    response->append_chunk(output);
+                    response->flush();
+                    return true;
+                },
+                [response] (bool){
+                    response->done();
+                });
+            } else {
+                // Refresh
+                response->append_chunk("{}\n");
+                return response->done();
+            }
+        } else {
+            // =========== No existing listener for an infoHash ============
+            // Add listen on dht
+            listener.internalToken = dht_->listen(infoHash,
+                [this, infoHash, pushToken, type, clientId, sessionCtx = listener.sessionCtx]
+                (const std::vector<std::shared_ptr<Value>>& values, bool expired){
+                    // Build message content
+                    Json::Value json;
+                    json["key"] = infoHash.toString();
+                    json["to"] = clientId;
+                    json["t"] = Json::Value::Int64(std::chrono::duration_cast<std::chrono::milliseconds>(system_clock::now().time_since_epoch()).count());
+                    {
+                        std::lock_guard<std::mutex> l(sessionCtx->lock);
+                        json["s"] = sessionCtx->sessionId;
+                    }
+                    if (expired and values.size() < 2){
+                        std::stringstream ss;
+                        for(size_t i = 0; i < values.size(); ++i){
+                            if(i != 0) ss << ",";
+                            ss << values[i]->id;
+                        }
+                        json["exp"] = ss.str();
+                    }
+                    auto maxPrio = 1000u;
+                    for (const auto& v : values)
+                        maxPrio = std::min(maxPrio, v->priority);
+                    sendPushNotification(pushToken, std::move(json), type, !expired and maxPrio == 0);
+                    return true;
+                }
+            );
+            auto response = initHttpResponse(request->create_response());
+            response.set_body("{}\n");
+            return response.done();
+        }
     }
     catch (...) {
         return serverError(*request);
@@ -731,9 +893,9 @@ DhtProxyServer::unsubscribe(restinio::request_handle_t request,
 {
     requestNum_++;
 
-    InfoHash infoHash(params["hash"].to_string());
+    InfoHash infoHash(params["hash"]);
     if (!infoHash)
-        infoHash = InfoHash::get(params["hash"].to_string());
+        infoHash = InfoHash::get(params["hash"]);
 
     if (logger_)
         logger_->d("[proxy:server] [unsubscribe %s]", infoHash.toString().c_str());
@@ -766,7 +928,7 @@ DhtProxyServer::unsubscribe(restinio::request_handle_t request,
 
 void
 DhtProxyServer::handleNotifyPushListenExpire(const asio::error_code &ec, const std::string pushToken,
-                                             std::function<Json::Value()> jsonProvider, const bool isAndroid)
+                                             std::function<Json::Value()> jsonProvider, PushType type)
 {
     if (ec == asio::error::operation_aborted)
         return;
@@ -776,7 +938,7 @@ DhtProxyServer::handleNotifyPushListenExpire(const asio::error_code &ec, const s
     }
     if (logger_)
         logger_->d("[proxy:server] [subscribe] sending put refresh to %s token", pushToken.c_str());
-    sendPushNotification(pushToken, jsonProvider(), isAndroid, false);
+    sendPushNotification(pushToken, jsonProvider(), type, false);
 }
 
 void
@@ -818,7 +980,7 @@ DhtProxyServer::handleCancelPushListen(const asio::error_code &ec, const std::st
 }
 
 void
-DhtProxyServer::sendPushNotification(const std::string& token, Json::Value&& json, bool isAndroid, bool highPriority)
+DhtProxyServer::sendPushNotification(const std::string& token, Json::Value&& json, PushType type, bool highPriority)
 {
     if (pushServer_.empty())
         return;
@@ -840,10 +1002,16 @@ DhtProxyServer::sendPushNotification(const std::string& token, Json::Value&& jso
         Json::Value tokens(Json::arrayValue);
         tokens[0] = token;
         notification["tokens"] = std::move(tokens);
-        notification["platform"] = isAndroid ? 2 : 1;
+        notification["platform"] = type == PushType::Android ? 2 : 1;
         notification["data"] = std::move(json);
         notification["priority"] = highPriority ? "high" : "normal";
-        notification["time_to_live"] = 600;
+        if (type == PushType::Android)
+            notification["time_to_live"] = 3600 * 24; // 24 hours
+        else {
+            const auto expiration = std::chrono::system_clock::now() + std::chrono::hours(24);
+            uint32_t exp = std::chrono::duration_cast<std::chrono::seconds>(expiration.time_since_epoch()).count();
+            notification["expiration"] = exp;
+        }
 
         Json::Value notifications(Json::arrayValue);
         notifications[0] = notification;
@@ -889,6 +1057,7 @@ DhtProxyServer::handleCancelPermamentPut(const asio::error_code &ec, const InfoH
     }
     if (logger_)
         logger_->d("[proxy:server] [put %s] cancel permament put %i", key.toString().c_str(), vid);
+    std::lock_guard<std::mutex> lock(lockSearchPuts_);
     auto sPuts = puts_.find(key);
     if (sPuts == puts_.end())
         return;
@@ -898,6 +1067,8 @@ DhtProxyServer::handleCancelPermamentPut(const asio::error_code &ec, const InfoH
         return;
     if (dht_)
         dht_->cancelPut(key, vid);
+    if (put->second.expireTimer)
+        put->second.expireTimer->cancel();
     if (put->second.expireNotifyTimer)
         put->second.expireNotifyTimer->cancel();
     sPutsMap.erase(put);
@@ -910,9 +1081,9 @@ DhtProxyServer::put(restinio::request_handle_t request,
                     restinio::router::route_params_t params)
 {
     requestNum_++;
-    InfoHash infoHash(params["hash"].to_string());
+    InfoHash infoHash(params["hash"]);
     if (!infoHash)
-        infoHash = InfoHash::get(params["hash"].to_string());
+        infoHash = InfoHash::get(params["hash"]);
 
     if (request->body().empty()){
         auto response = initHttpResponse(request->create_response(restinio::status_bad_request()));
@@ -941,13 +1112,13 @@ DhtProxyServer::put(restinio::request_handle_t request,
                     platform = pVal["platform"].asString();
                     sessionId = pVal["session_id"].asString();
                 }
-                std::unique_lock<std::mutex> lock(lockSearchPuts_);
+                std::lock_guard<std::mutex> lock(lockSearchPuts_);
                 auto timeout = std::chrono::steady_clock::now() + proxy::OP_TIMEOUT;
                 auto& sPuts = puts_[infoHash];
                 if (value->id == Value::INVALID_ID) {
                     for (auto& pp : sPuts.puts) {
-                        if (pp.second.pushToken == pushToken 
-                            and pp.second.clientId == clientId 
+                        if (pp.second.pushToken == pushToken
+                            and pp.second.clientId == clientId
                             and pp.second.value->contentEquals(*value))
                         {
                             pp.second.expireTimer->expires_at(timeout);
@@ -955,32 +1126,36 @@ DhtProxyServer::put(restinio::request_handle_t request,
                                                         std::placeholders::_1, infoHash, pp.second.value->id));
                             if (not sessionId.empty()) {
                                 if (not pp.second.sessionCtx)
-                                    pp.second.sessionCtx = std::make_shared<PushSessionContext>();
-                                std::lock_guard<std::mutex> l(pp.second.sessionCtx->lock);
-                                pp.second.sessionCtx->sessionId = sessionId;
+                                    pp.second.sessionCtx = std::make_shared<PushSessionContext>(sessionId);
+                                else {
+                                    std::lock_guard<std::mutex> l(pp.second.sessionCtx->lock);
+                                    pp.second.sessionCtx->sessionId = sessionId;
+                                }
                             }
                             auto response = initHttpResponse(request->create_response());
                             response.append_body(Json::writeString(jsonBuilder_, value->toJson()) + "\n");
                             return response.done();
                         }
                     }
+                    value->id = std::uniform_int_distribution<Value::Id>{1}(rd);
                 }
 
                 auto vid = value->id;
                 auto& pput = sPuts.puts[vid];
                 pput.value = value;
+                pput.expiration = timeout;
                 if (not pput.expireTimer) {
                     auto &ctx = io_context();
                     // cancel permanent put
                     pput.expireTimer = std::make_unique<asio::steady_timer>(ctx, timeout);
 #ifdef OPENDHT_PUSH_NOTIFICATIONS
                     if (not pushToken.empty()){
+                        bool isAndroid = platform == "android";
                         pput.pushToken = pushToken;
                         pput.clientId = clientId;
-                        pput.sessionCtx = std::make_shared<PushSessionContext>();
-                        pput.sessionCtx->sessionId = sessionId;
+                        pput.type = isAndroid ? PushType::Android : PushType::iOS;
+                        pput.sessionCtx = std::make_shared<PushSessionContext>(sessionId);
                         // notify push listen expire
-                        bool isAndroid = platform == "android";
                         auto jsonProvider = [infoHash, clientId, vid, sessionCtx = pput.sessionCtx](){
                             Json::Value json;
                             json["timeout"] = infoHash.toString();
@@ -997,15 +1172,17 @@ DhtProxyServer::put(restinio::request_handle_t request,
                             pput.expireNotifyTimer->expires_at(timeout - proxy::OP_MARGIN);
                         pput.expireNotifyTimer->async_wait(std::bind(
                             &DhtProxyServer::handleNotifyPushListenExpire, this,
-                            std::placeholders::_1, pushToken, std::move(jsonProvider), isAndroid));
+                            std::placeholders::_1, pushToken, std::move(jsonProvider), pput.type));
                     }
 #endif
                 } else {
                     if (not sessionId.empty()) {
                         if (not pput.sessionCtx)
-                            pput.sessionCtx = std::make_shared<PushSessionContext>();
-                        std::lock_guard<std::mutex> l(pput.sessionCtx->lock);
-                        pput.sessionCtx->sessionId = sessionId;
+                            pput.sessionCtx = std::make_shared<PushSessionContext>(sessionId);
+                        else {
+                            std::lock_guard<std::mutex> l(pput.sessionCtx->lock);
+                            pput.sessionCtx->sessionId = sessionId;
+                        }
                     }
                     pput.expireTimer->expires_at(timeout);
                     if (pput.expireNotifyTimer)
@@ -1045,9 +1222,9 @@ DhtProxyServer::putSigned(restinio::request_handle_t request,
                           restinio::router::route_params_t params) const
 {
     requestNum_++;
-    InfoHash infoHash(params["hash"].to_string());
+    InfoHash infoHash(params["hash"]);
     if (!infoHash)
-        infoHash = InfoHash::get(params["hash"].to_string());
+        infoHash = InfoHash::get(params["hash"]);
 
     if (request->body().empty()){
         auto response = initHttpResponse(request->create_response(restinio::status_bad_request()));
@@ -1095,9 +1272,9 @@ DhtProxyServer::putEncrypted(restinio::request_handle_t request,
                              restinio::router::route_params_t params)
 {
     requestNum_++;
-    InfoHash infoHash(params["hash"].to_string());
+    InfoHash infoHash(params["hash"]);
     if (!infoHash)
-        infoHash = InfoHash::get(params["hash"].to_string());
+        infoHash = InfoHash::get(params["hash"]);
 
     if (request->body().empty()){
         auto response = initHttpResponse(request->create_response(restinio::status_bad_request()));
@@ -1167,10 +1344,10 @@ DhtProxyServer::getFiltered(restinio::request_handle_t request,
                             restinio::router::route_params_t params)
 {
     requestNum_++;
-    auto value = params["value"].to_string();
-    InfoHash infoHash(params["hash"].to_string());
+    auto query = params["value"];
+    InfoHash infoHash(params["hash"]);
     if (!infoHash)
-        infoHash = InfoHash::get(params["hash"].to_string());
+        infoHash = InfoHash::get(params["hash"]);
 
     try {
         auto response = std::make_shared<ResponseByPartsBuilder>(
@@ -1185,7 +1362,7 @@ DhtProxyServer::getFiltered(restinio::request_handle_t request,
             [response] (bool /*ok*/){
                 response->done();
             },
-            {}, value);
+            {}, query);
         return restinio::request_handling_status_t::accepted;
     } catch (const std::exception& e){
         return serverError(*request);