This PR adds ldap authentication support for mcs based on https://github.com/minio/minio/blob/master/docs/sts/ldap.md How to test: ``` $ docker run --rm -p 389:389 -p 636:636 --name my-openldap-container --detach osixia/openldap:1.3.0 ``` Run the `billy.ldif` file using `ldapadd` command to create a new user and assign it to a group. ``` $ cat > billy.ldif << EOF dn: uid=billy,dc=example,dc=org uid: billy cn: billy sn: 3 objectClass: top objectClass: posixAccount objectClass: inetOrgPerson loginShell: /bin/bash homeDirectory: /home/billy uidNumber: 14583102 gidNumber: 14564100 userPassword: {SSHA}j3lBh1Seqe4rqF1+NuWmjhvtAni1JC5A mail: billy@example.org gecos: Billy User dn: ou=groups,dc=example,dc=org objectclass:organizationalunit ou: groups description: generic groups branch of s3::*) dn: cn=mcsAdmin,ou=groups,dc=example,dc=org objectClass: top objectClass: posixGroup gidNumber: 678 dn: cn=mcsAdmin,ou=groups,dc=example,dc=org changetype: modify add: memberuid memberuid: billy EOF $ docker cp billy.ldif my-openldap-container:/container/service/slapd/assets/test/billy.ldif $ docker exec my-openldap-container ldapadd -x -D "cn=admin,dc=example,dc=org" -w admin -f /container/service/slapd/assets/test/billy.ldif -H ldap://localhost -ZZ ``` Query the ldap server to check the user billy was created correctly and got assigned to the mcsAdmin group, you should get a list containing ldap users and groups. ``` $ docker exec my-openldap-container ldapsearch -x -H ldap://localhost -b dc=example,dc=org -D "cn=admin,dc=example,dc=org" -w admin ``` Query the ldap server again, this time filtering only for the user `billy`, you should see only 1 record. ``` $ docker exec my-openldap-container ldapsearch -x -H ldap://localhost -b uid=billy,dc=example,dc=org -D "cn=admin,dc=example,dc=org" -w admin ``` Change the password for user billy Set the new password for `billy` to `minio123` and enter `admin` as the default `LDAP Password` ``` $ docker exec -it my-openldap-container /bin/bash ldappasswd -H ldap://localhost -x -D "cn=admin,dc=example,dc=org" -W -S "uid=billy,dc=example,dc=org" New password: Re-enter new password: Enter LDAP Password: ``` Add the mcsAdmin policy to user billy on MinIO ``` $ cat > mcsAdmin.json << EOF { "Version": "2012-10-17", "Statement": [ { "Action": [ "admin:*" ], "Effect": "Allow", "Sid": "" }, { "Action": [ "s3:*" ], "Effect": "Allow", "Resource": [ "arn:aws:s3:::*" ], "Sid": "" } ] } EOF $ mc admin policy add myminio mcsAdmin mcsAdmin.json $ mc admin policy set myminio mcsAdmin user=billy ``` Run MinIO ``` export MINIO_ACCESS_KEY=minio export MINIO_SECRET_KEY=minio123 export MINIO_IDENTITY_LDAP_SERVER_ADDR='localhost:389' export MINIO_IDENTITY_LDAP_USERNAME_FORMAT='uid=%s,dc=example,dc=org' export MINIO_IDENTITY_LDAP_USERNAME_SEARCH_FILTER='(|(objectclass=posixAccount)(uid=%s))' export MINIO_IDENTITY_LDAP_TLS_SKIP_VERIFY=on export MINIO_IDENTITY_LDAP_SERVER_INSECURE=on ./minio server ~/Data ``` Run MCS ``` export MCS_ACCESS_KEY=minio export MCS_SECRET_KEY=minio123 ... export MCS_LDAP_ENABLED=on ./mcs server ```
40 lines
1.4 KiB
Go
40 lines
1.4 KiB
Go
// This file is part of MinIO Console Server
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// Copyright (c) 2020 MinIO, Inc.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package auth
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import (
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"errors"
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"log"
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"github.com/minio/minio-go/v6/pkg/credentials"
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)
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var (
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errInvalidCredentials = errors.New("invalid Credentials")
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)
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// GetMcsCredentialsFromLDAP authenticates the user against MinIO when the LDAP integration is enabled
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// if the authentication succeed *credentials.Credentials object is returned and we continue with the normal STSAssumeRole flow
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func GetMcsCredentialsFromLDAP(endpoint, ldapUser, ldapPassword string) (*credentials.Credentials, error) {
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creds, err := credentials.NewLDAPIdentity(endpoint, ldapUser, ldapPassword)
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if err != nil {
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log.Println("LDAP authentication error: ", err)
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return nil, errInvalidCredentials
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}
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return creds, nil
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}
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