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Dev OjhaandGitHub cdba0d82f5 p2p: ensure peers can't change IP of known nodes (#5136 )

Closes #1581 

This fixes the error in #1581, and also documents the purpose of this line. It ensures that if a peer tells us an address we know about, whose ID is the same as our current ID, we ignore it.

This removes the previous case where the ID's matched, but the IP's did not, which could yield a potential overwrite of the IP associated with the address later on. (This then would yield an eclipse attack)

This was not a vulnerability before though, thanks to a defensive check here https://github.com/tendermint/tendermint/blob/95fc7e58eedd3b0a563b93a0691c9cbe6e10f017/p2p/pex/addrbook.go#L522)

2020-07-22 09:56:38 +04:00

..

libs: wrap mutexes for build flag with godeadlock (#5126 )

2020-07-20 07:55:09 +00:00

all: name reactors when they are initialized (#4608 )

2020-03-27 18:30:42 +01:00

add state sync reactor (#4705 )

2020-04-29 10:47:00 +02:00

p2p: ensure peers can't change IP of known nodes (#5136 )

2020-07-22 09:56:38 +04:00

libs: wrap mutexes for build flag with godeadlock (#5126 )

2020-07-20 07:55:09 +00:00

linter: (1/2) enable errcheck (#5064 )

2020-07-01 15:13:11 +00:00

base_reactor.go

libs/common: refactor libs common 3 (#4232 )

2019-12-11 09:31:25 +01:00

conn_set.go

libs: wrap mutexes for build flag with godeadlock (#5126 )

2020-07-20 07:55:09 +00:00

errors.go

p2p: seed mode refactoring (#3011 )

2019-04-03 11:22:52 +02:00

fuzz.go

libs: wrap mutexes for build flag with godeadlock (#5126 )

2020-07-20 07:55:09 +00:00

key_test.go

p2p: expose SaveAs on NodeKey (#4981 )

2020-06-08 09:36:46 +00:00

key.go

migrate all JSON to new JSON encoder (#4975 )

2020-06-08 12:22:59 +00:00

metrics.go

p2p: Per channel metrics (#3666 ) (#3677 )

2019-06-05 11:22:00 +02:00

netaddress_test.go

p2p: Remove data race bug in netaddr stringer (#5048 )

2020-06-25 14:03:59 +00:00

netaddress.go

p2p: Remove data race bug in netaddr stringer (#5048 )

2020-06-25 14:03:59 +00:00

node_info_test.go

lint: various fixes

2020-05-18 10:20:06 +00:00

node_info.go

proto: folder structure adhere to buf (#5025 )

2020-06-22 10:00:51 +02:00

peer_set_test.go

libs/common: refactor libs common 3 (#4232 )

2019-12-11 09:31:25 +01:00

peer_set.go

libs: wrap mutexes for build flag with godeadlock (#5126 )

2020-07-20 07:55:09 +00:00

peer_test.go

change use of errors.Wrap to fmt.Errorf with %w verb

2020-05-12 03:35:47 +00:00

peer.go

lint: errcheck (#5091 )

2020-07-14 11:04:41 +00:00

README.md

Fix broken /docs/spec links (#4376 )

2020-02-07 12:53:28 +01:00

switch_test.go

libs: wrap mutexes for build flag with godeadlock (#5126 )

2020-07-20 07:55:09 +00:00

switch.go

p2p: remove nil guard (#4901 )

2020-05-27 11:36:42 +00:00

test_util.go

change use of errors.Wrap to fmt.Errorf with %w verb

2020-05-12 03:35:47 +00:00

transport_test.go

proto: folder structure adhere to buf (#5025 )

2020-06-22 10:00:51 +02:00

transport.go

proto: folder structure adhere to buf (#5025 )

2020-06-22 10:00:51 +02:00

types.go

Revert "delete everything" (includes everything non-go-crypto)

2018-06-20 17:35:30 -07:00

README.md

p2p

The p2p package provides an abstraction around peer-to-peer communication.

Docs:

Connection for details on how connections and multiplexing work
Peer for details on peer ID, handshakes, and peer exchange
Node for details about different types of nodes and how they should work
Pex for details on peer discovery and exchange
Config for details on some config option