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# includeとmoduleloadが重複しているとエラー。重複しているinclude側を削除 -include /etc/openldap/schema/ppolicy.schema # mdbを明示的にload +moduleload back_mdb.la # bdbは廃止された。mdbを使用 -database bdb +database mdb -directory /var/lib/ldap/bdb # bdb固有設定は削除 -cachesize 5000 -idlcachesize 15000 +# MDB specific settings +directory /var/lib/ldap/mdb +maxsize 1073741824
sudo vim /var/lib/ldap/DB_CONFIG -- set_flags DB_LOG_AUTOREMOVE -- sudo service slapd restart
sudo db_checkpoint -h /var/lib/ldap/deltalog -1 sudo db_archive -h /var/lib/ldap/deltalog -d
logpurge 7+00:00 1+00:00
記事:
python:
ruby:
shell:
# NG: 以下の値は異なる。sha1のdigestをbase64encodeする必要がある echo "test1234" | sha1sum | cut -d ' ' -f1 | base64 Yjc1ZjY2NjhmNzQwYWU2YjRhNDA4YjZiMTA0NzBhMzBkYmI5ZDZiYgo=
OpenLDAP ソフトウェア 2.3 管理者ガイド: LDAP Sync 複製
syncrepl の設定では一般的な検索フィルタを指定するので、コンテキスト中のいくつかのエントリは同期内容から失われる可能性があります。そこで syncrepl エンジンは、複製対象の一部に穴がある場合に、グルー(glue)エントリを生成して穴を埋めます。グルーエントリは ManageDsaIT 制御が与えられていない場合には検索の結果に返りません。
記事:
例:
objectClass: top objectClass: glue structuralObjectClass: glue
structuralObjectClass: locality objectClass: locality objectClass: top
修復:
記事:
属性に "::" がついているとバイナリ値。base64でエンコードされている。
例:
# 通常の場合 sshPublicKey: ssh-rsa ... # 末尾に"\r\n"が入っている場合 sshPublicKey:: c3NoLXJ...
dn: uid=jayson,ou=people,o=example,dc=com changetype: modify delete: userPassword userPassword: OldPassword add: userPassword userPassword: NewPassword
$modifications = array( array( "attrib" => "userPassword", "modtype" => LDAP_MODIFY_BATCH_REMOVE, "values" => array($oldpassword), ), array( "attrib" => "userPassword", "modtype" => LDAP_MODIFY_BATCH_ADD, "values" => array($password), ), ); $bmod = ldap_modify_batch($ldap, $dn, $modifications);
sudo service slapd stop sudo vim /etc/openldap/slapd.conf ---- index description eq ---- sudo slapindex sudo service slapd start
loglevel stats sync
local4.* /var/log/openldap/slapd.log
/var/log/openldap/*.log {
daily
missingok
compress
notifempty
copytruncate
}sudo service rsyslog restartldapmodify -x -H 'ldap://localhost' -D 'cn=Manager,dc=my-domain,dc=com' -W <<EOS dn: uid=user01,ou=People,dc=my-domain,dc=com changetype: modify replace: sshPublicKey sshPublicKey: ssh-rsa replaced... sshPublicKey: ssh-ed25519 replaced... EOS
echo "dn: uid=user01,ou=People,dc=my-domain,dc=com changetype: modify replace: sshPublicKey sshPublicKey: ssh-rsa replaced sshPublicKey: ssh-ed25519 replaced... " | ldapmodify -x -H 'ldap://localhost' -D 'cn=Manager,dc=my-domain,dc=com' -W
sudo vim /etc/nslcd.conf ---- nss_initgroups_ignoreusers ALLLOCAL ---- sudo service nslcd restart
cat /etc/nsswitch.conf passwd: files ldap shadow: files ldap group: files ldap # キャッシュ等を停止 sudo service nscd stop sudo service nslcd stop # debug modeで起動 sudo nslcd -d # 別ターミナルでidコマンドを使って確認 id local_user id ldap_user
sudo vim /etc/nslcd.conf ---- timelimit 60 idle_timelimit 240 ---- sudo service nslcd restart
ls -l /etc/pam.d/*auth* -rw-r--r-- 1 root root 766 2016-09-01 09:00 /etc/pam.d/fingerprint-auth lrwxrwxrwx 1 root root 27 2016-09-01 09:00 /etc/pam.d/fingerprint-auth-ac -> /etc/pam.d/fingerprint-auth -rw-r--r-- 1 root root 869 2016-09-01 09:00 /etc/pam.d/password-auth lrwxrwxrwx 1 root root 24 2016-09-01 09:00 /etc/pam.d/password-auth-ac -> /etc/pam.d/password-auth -rw-r--r-- 1 root root 879 2016-09-01 09:00 /etc/pam.d/smartcard-auth lrwxrwxrwx 1 root root 25 2016-09-01 09:00 /etc/pam.d/smartcard-auth-ac -> /etc/pam.d/smartcard-auth -rw-r--r-- 1 root root 869 2016-09-01 09:00 /etc/pam.d/system-auth lrwxrwxrwx 1 root root 22 2016-09-01 09:00 /etc/pam.d/system-auth-ac -> /etc/pam.d/system-auth
sudo yum install authconfig rpm -q authconfig authconfig-6.1.12-23.el6.x86_64 sudo authconfig --update
ls -l /etc/pam.d/*auth* lrwxrwxrwx 1 root root 19 2016-11-16 06:00 /etc/pam.d/fingerprint-auth -> fingerprint-auth-ac lrwxrwxrwx 1 root root 27 2016-09-01 09:00 /etc/pam.d/fingerprint-auth-ac -> /etc/pam.d/fingerprint-auth lrwxrwxrwx 1 root root 16 2016-11-16 06:00 /etc/pam.d/password-auth -> password-auth-ac lrwxrwxrwx 1 root root 24 2016-09-01 09:00 /etc/pam.d/password-auth-ac -> /etc/pam.d/password-auth lrwxrwxrwx 1 root root 17 2016-11-16 06:00 /etc/pam.d/smartcard-auth -> smartcard-auth-ac lrwxrwxrwx 1 root root 25 2016-09-01 09:00 /etc/pam.d/smartcard-auth-ac -> /etc/pam.d/smartcard-auth lrwxrwxrwx 1 root root 14 2016-11-16 06:00 /etc/pam.d/system-auth -> system-auth-ac lrwxrwxrwx 1 root root 22 2016-09-01 09:00 /etc/pam.d/system-auth-ac -> /etc/pam.d/system-auth
diff -uwr schema/inetorgperson.schema schema.2.4.40-12/inetorgperson.schema --- schema/inetorgperson.schema 2012-11-30 22:38:35.000000000 +0900 +++ schema.2.4.40-12/inetorgperson.schema 2016-05-11 08:32:09.000000000 +0900 @@ -151,5 +151,5 @@ labeledURI $ mail $ manager $ mobile $ o $ pager $ photo $ roomNumber $ secretary $ uid $ userCertificate $ x500uniqueIdentifier $ preferredLanguage $ - userSMIMECertificate $ userPKCS12 $ c ) + userSMIMECertificate $ userPKCS12 ) )
slapadd等でLDAPスキーマが不足している場合は、「str2ad(sudoUser): attribute type undefined」の様なエラーが出る。
# sudo.schemaを追加 find /usr/share/doc/ -name schema.OpenLDAP /usr/share/doc/sudo-1.8.6p3/schema.OpenLDAP sudo cp /usr/share/doc/sudo-1.8.6p3/schema.OpenLDAP /etc/openldap/schema/sudo.schema # openssh.schema, ldapns.schemaを追加 sudo yum install openssh-ldap pam_ldap -y find /usr/share/doc/ -name openssh-lpk-openldap.schema /usr/share/doc/openssh-ldap-5.3p1/openssh-lpk-openldap.schema sudo cp /usr/share/doc/openssh-ldap-5.3p1/openssh-lpk-openldap.schema /etc/openldap/schema/openssh.schema find /usr/share/doc/ -name ldapns.schema /usr/share/doc/pam_ldap-185/ldapns.schema sudo cp /usr/share/doc/pam_ldap-185/ldapns.schema /etc/openldap/schema/ sudo vim /etc/openldap/slapd.conf ---- include /etc/openldap/schema/sudo.schema include /etc/openldap/schema/openssh.schema include /etc/openldap/schema/ldapns.schema ----
sudo service nslcd stop sudo nslcd -d # デバッグ終了時に CTRL+C
LANG=C; authconfig-tuisudo -V | grep 'ldap.conf path:' ldap.conf path: /etc/ldap.conf.sudo
ln -s /etc/ldap.conf /etc/ldap.conf.sudo
現状2つ方法があるようだ。
sudo cat /etc/sudoers.d/wheel %wheel ALL=(ALL) NOPASSWD: ALL
vi /etc/ssh/sshd_config -- AuthorizedKeysCommand /usr/bin/sss_ssh_authorizedkeys AuthorizedKeysCommandUser nobody -- sudo service sshd restart
[sssd] debug_level = 0 config_file_version = 2 services = nss, pam, ssh domains = ldap [domain/ldap] id_provider = ldap auth_provider = ldap chpass_provider = ldap ldap_uri = ldaps://ldap.example.com:22636 ldap_search_base = dc=example,dc=com ldap_id_use_start_tls = true ldap_tls_reqcert = allow ldap_user_ssh_public_key = sshPublicKey ldap_default_bind_dn = cn=sssd,dc=example,dc=com ldap_default_authtok_type = password ldap_default_authtok = **** access_provider = ldap ldap_access_filter = &(objectclass=posixaccount)(description=dev) ldap_access_order = filter enumerate = false cache_credentials = true case_sensitive = false [nss] homedir_substring = /home filter_groups = root filter_users = root
sshPublicKey: ssh-rsa replaced... sshPublicKey: ssh-ed25519 replaced...
AuthorizedKeysCommand /usr/libexec/openssh/ssh-ldap-wrapper AuthorizedKeysCommandRunAs root
AuthorizedKeysCommand /usr/libexec/openssh/ssh-ldap-wrapper AuthorizedKeysCommandUser root
sudo authconfig --update
# 設定変更 LANG=C sudo authconfig-tui # 設定確認 sudo authconfig --test # 変更されるファイル /etc/nscl.conf /etc/nsswitch.conf /etc/pam_ldap.conf /etc/openldap/ldap.conf /etc/sysconfig/authconfig /etc/pam.d/*
ldapdelete -x -H ldap://localhost:389 \ -D "cn=Manager,dc=my-domain,dc=com" \ -W \ 'uid=user03,ou=People,dc=my-domain,dc=com'
rpm -ivh http://dl.iuscommunity.org/pub/ius/stable/Redhat/6/x86_64/ius-release-1.0-11.ius.el6.noarch.rpm rpm -ivh http://dl.iuscommunity.org/pub/ius/stable/Redhat/6/x86_64/epel-release-6-5.noarch.rpm yum install yum-plugin-replace yum replace openldap-servers --replace-with openldap24-servers --enablerepo=ius-dev
sudo vim /etc/openldap/slapd.conf ---- # database config より上に記述 password-hash {SHA} ---- sudo service slapd stop sudo rm -rf /etc/openldap/slapd.d/{cn=config,cn=config.ldif} sudo -u ldap slaptest -f /etc/openldap/slapd.conf -F /etc/openldap/slapd.d sudo service slapd restart
ハッシュ化パスワードを生成する。
# 入力待ち slappasswd New password: Re-enter new password: {SSHA}CfGz6P2+x1YoIAjBnIsezTJvROGXQFMw # パスワード指定 slappasswd -s secret {SSHA}H8R+xa45GRrDhntW8NzXO0pP5btUnAz3 # Hash methodの指定: {SHA}, {SSHA}, {MD5}, {SMD5}, {CRYPT}, {CLEARTEXT} slappasswd -s secret -h {SHA} {SHA}5en6G6MezRroT3XKqkdPOmY/BfQ=
ldappasswd -x -H 'ldap://localhost' \ -D 'uid=user01,l=apac,ou=users,dc=my-domain,dc=com' \ -W -S -A 'uid=user01,l=apac,ou=users,dc=my-domain,dc=com' Old password: *** Re-enter old password: *** New password: *** Re-enter new password: *** Enter LDAP Password: ***
ldappasswd -x -H 'ldap://localhost' -D 'cn=Manager,dc=my-domain,dc=com' -w 'Manager password' -s 'new password' 'uid=user01,l=apac,ou=users,dc=my-domain,dc=com'
ldap_add: Invalid syntax (21) additional info: objectClass: value #0 invalid per syntax
sudo vim /etc/openldap/slapd.conf ---- include /etc/openldap/schema/inetorgperson.schema ---- # slapd.conf 更新 sudo service slapd stop sudo rm -rf /etc/openldap/slapd.d/{cn=config,cn=config.ldif} sudo -u ldap slaptest -f /etc/openldap/slapd.conf -F /etc/openldap/slapd.d sudo service slapd restart
# 1つめのエントリ dn: uid=user01,ou=People,dc=my-domain,dc=com uid: user01 cn: Test User 01 objectClass: account objectClass: posixAccount objectClass: top loginShell: /bin/bash uidNumber: 5001 gidNumber: 3001 homeDirectory: /home/user01 # 2つめのエントリ dn: uid=user02,ou=People,dc=my-domain,dc=com uid: user02 cn: Test User 02 objectClass: account objectClass: posixAccount objectClass: top loginShell: /bin/bash uidNumber: 5002 gidNumber: 3002 homeDirectory: /home/user02
ldapsearch -x -H 'ldap://localhost' -b 'dc=my-domain,dc=com' -D 'cn=Manager,dc=my-domain,dc=com' -w 'YOUR PASSWORD' '(objectClass=posixAccount)' -LLL | \ grep uidNumber: | \ cut -f 2 -d ' ' | \ sort -nr | \ head -n 1
ldapsearch -x -b 'dc=my-domain,dc=com' '(uid=hoge)' \ -H ldaps://localhost:636 \ -D "cn=Manager,dc=my-domain,dc=com" \ -W
ldaps://での通信時に発生。SSL自己証明書等を利用していると出る。
openldap-clientsのみの場合でも有効。
vim /etc/openldap/ldap.conf ---- tls_reqcert never ----
# インストール yum install pam_ldap nscd nss-pam-ldapd # デフォルトでTLS認証が嫌な場合は以下をyesに変更 vim /etc/sysconfig/authconfig ---- FORCELEGACY=yes ---- # 認証情報設定(/etc/nsswitch.conf, /etc/pam.d/system-auth-ac, /etc/openldap/ldap.conf が変更される) authconfig --enableldap --enableldapauth --ldapserver="ldap://[LDAP SERVER]/" --ldapbasedn="dc=my-domain,dc=com" --update authconfig --test | grep -i ldap chkconfig nslcd on # ホームディレクトリが無い場合は自動作成 echo "session optional pam_mkhomedir.so skel=/etc/skel umask=022" >> /etc/pam.d/system-auth-ac
authconfig --disableldap --disableldapauth --update authconfig --test | grep -i ldap
デフォルトでは以下のディレクトリはadminユーザでも見えない。
# "database bdb" の前に追加 sudo vim /etc/openldap/slapd.conf ---- # enable on-the-fly configuration (cn=config) database config access to * by dn.exact="gidNumber=0+uidNumber=0,cn=peercred,cn=external,cn=auth" manage by dn.exact="cn=Manager,dc=my-domain,dc=com" manage by * none # enable server status monitoring (cn=monitor) database monitor access to * by dn.exact="gidNumber=0+uidNumber=0,cn=peercred,cn=external,cn=auth" read by dn.exact="cn=Manager,dc=my-domain,dc=com" read by * none ---- sudo service slapd stop sudo rm -rf /etc/openldap/slapd.d/{cn=config,cn=config.ldif} sudo -u ldap slaptest -f /etc/openldap/slapd.conf -F /etc/openldap/slapd.d sudo service slapd restart
ldapsearch -x \ -b "cn=Uptime,cn=Time,cn=Monitor" \ -D "cn=Manager,dc=my-domain,dc=com" \ -W \ monitoredInfo -LLL # 結果 dn: cn=Uptime,cn=Time,cn=Monitor monitoredInfo: 111
mirrormode off
ldapsearch -x -H ldap://localhost \ -s base -b "dc=my-domain,dc=com" \ -D "cn=Manager,dc=my-domain,dc=com" \ -W contextCSN contextCSN: 20130906022414.910401Z#000000#001#000000 contextCSN: 20130906013314.290742Z#000000#002#000000
ldap-status.sh
yum install openldap-clients chmod 755 ldap-status.sh ./ldap-status.sh --servers ldap://server01/,ldap://server02/ \ --base-dn dc=my-domain,dc=com \ --bind-dn cn=Manager,dc=my-domain,dc=com \ --bind-password YOUR-PASSWORD \ replication-status
ldap-backup.sh
yum install s3cmd --enablerepo=epel s3cmd --configure chmod 755 ldap-backup.sh ./ldap-backup.sh \ --base-dn "dc=yourDC,dc=local" \ --backup-dir /path/to/backup \ --log-dir /tmp \ --s3cmd-config /path/to/.s3cfg \ --s3-bucket s3://BUCKET/path/to
sudo service slapd stop sudo find /var/lib/ldap/ -type f ! -name DB_CONFIG -delete sudo find /etc/openldap/slapd.d/ ! -name slapd.d -delete sudo -u ldap slapadd -l /tmp/ldap.backup.ldif sudo -u ldap slaptest -f /etc/openldap/slapd.conf -F /etc/openldap/slapd.d sudo service slapd start
記事:
yum install openldap-servers openldap-clients # rootパスワードの設定。"{SSHA}〜"をメモ slappasswd -s secret # Berkeley DB設定 cp /usr/share/openldap-servers/DB_CONFIG.example /var/lib/ldap/DB_CONFIG vim /var/lib/ldap/DB_CONFIG ---- # one 0.25 GB cache set_cachesize 0 268435456 1 # Transaction Log settings set_lg_regionmax 262144 set_lg_bsize 2097152 # automatically delete transaction logs set_flags DB_LOG_AUTOREMOVE ---- # slapd.conf 設定変更 cp /usr/share/openldap-servers/slapd.conf.obsolete /etc/openldap/slapd.conf vim /etc/openldap/slapd.conf ---- # suffixの変更 suffix "dc=my-domain,dc=com" # rootdnの変更 rootdn "cn=Manager,dc=my-domain,dc=com" # rootpwの変更 rootpw {SSHA}XACqUDuUFVNjgfn+JPFilYB1X852Xepi ---- # slapd.conf テスト slaptest -u -f /etc/openldap/slapd.conf -v # slapd.conf 更新 sudo service slapd stop sudo rm -rf /etc/openldap/slapd.d/{cn=config,cn=config.ldif} sudo -u ldap slaptest -f /etc/openldap/slapd.conf -F /etc/openldap/slapd.d sudo service slapd restart
ldif-example.zip
ldapadd -x -D "cn=Manager,dc=my-domain,dc=com" -W -f ./base.ldif ldapadd -x -D "cn=Manager,dc=my-domain,dc=com" -W -f ./group.ldif ldapadd -x -D "cn=Manager,dc=my-domain,dc=com" -W -f ./user.ldif
# rootユーザで検索 ldapsearch -x -b 'dc=my-domain,dc=com' '(objectClass=*)' \ -H ldap://localhost \ -D "cn=Manager,dc=my-domain,dc=com" \ -W # 外部サービス接続用のユーザで検索 ldapsearch -x -b 'dc=my-domain,dc=com' '(objectClass=*)' \ -H ldap://localhost \ -D "cn=connector,ou=People,dc=my-domain,dc=com" \ -W
