CentOS 6.4安装配置ldap
CentOS 6.5安装配置ldap
一.安装ldap
[root@dev ~]# yum install openldap openldap-* -y[root@dev ~]# yum install nscd nss-pam-ldapd nss-* pcre pcre-* -y |
二.配置ldap
[root@dev ~]# cd /etc/openldap/[root@dev openldap]# lltotal 16drwxr-xr-x. 2 root root 4096 Jul 13 20:10 certs-rw-r--r--. 1 root root 282 Jun 21 17:19 ldap.confdrwxr-xr-x 2 root root 4096 Jul 13 20:10 schemadrwx------ 3 ldap ldap 4096 Jul 13 20:10 slapd.d |
复制配置文件
[root@dev openldap]# cp /usr/share/openldap-servers/slapd.conf.obsolete slapd.conf[root@dev openldap]# cp slapd.conf slapd.conf_`date +%Y%m%d`.bak |
设置ldap管理员密码
[root@dev openldap]# slappasswd -s weyee{SSHA}4zVLzQItaa9wp00xF7oSynhPPNKfGyJ1[root@dev openldap]# slappasswd -s weyee |sed -e "s#{SSHA}#rootpw\t{SSHA}#g" >>/etc/openldap/slapd.conf #设置密码是weyee[root@dev openldap]# tail -1 /etc/openldap/slapd.confrootpw {SSHA}6jZP4UfMlMfN0XKPch70R5+TiRCV+yT7 |
修改dc配置
[root@dev openldap]# vim /etc/openldap/slapd.conf#以下参数大概在114行database bdb #使用bdb数据库suffix "dc=dev,dc=com" #定义dc,指定搜索的域rootdn "cn=admin,dc=dev,dc=com" #定义管理员的dn,使用这个dn能登陆openldap |
优化ldap配置参数
[root@dev openldap]# vim /etc/openldap/slapd.confloglevel 296 #定义日志级别cachesize 1000 #换成条目数checkpoint 2048 10 #表示内存中达到2048k或者10分钟,执行一次checkpoint,即写入数据文件的操作 |
配置相关权限
[root@dev openldap]# vim /etc/openldap/slapd.conf#删除默认权限,将下面的内容都删除database configaccess to * by dn.exact="gidNumber=0+uidNumber=0,cn=peercred,cn=external,cn=auth" manage by * none# enable server status monitoring (cn=monitor)database monitoraccess 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 #添加新的权限(这是2.3的权限设置方式)access to * by self write by anonymous auth by * read |
配置syslog记录ldap的服务日志
[root@dev openldap]# cp /etc/rsyslog.conf /etc/rsyslog.conf_`date +%Y%m%d`.bak#往配置文件中增加如下内容[root@dev openldap]# tail -1 /etc/rsyslog.conflocal4.* /var/log/ldap.log#重启rsyslog服务[root@dev openldap]# /etc/init.d/rsyslog restartShutting down system logger: [ OK ]Starting system logger: [ OK ] |
配置ldap数据库路径
#创建数据文件[root@dev openldap]# cp /usr/share/openldap-servers/DB_CONFIG.example /var/lib/ldap/DB_CONFIG[root@dev openldap]# chown ldap.ldap /var/lib/ldap/DB_CONFIG [root@dev openldap]# chmod 700 /var/lib/ldap/[root@dev openldap]# ll /var/lib/ldap/total 4-rw-r--r-- 1 ldap ldap 845 Jul 13 21:05 DB_CONFIG[root@dev openldap]# egrep -v "\#|^$" /var/lib/ldap/DB_CONFIG set_cachesize 0 268435456 1set_lg_regionmax 262144set_lg_bsize 2097152[root@dev openldap]# slaptest -u #检查配置文件是否正常config file testing succeeded |
ldap最后的完整配置如下
[root@dev openldap]# egrep -v "\#|^$" /var/lib/ldap/DB_CONFIG set_cachesize 0 268435456 1set_lg_regionmax 262144set_lg_bsize 2097152[root@dev openldap]# slaptest -uconfig file testing succeeded[root@dev openldap]# egrep -v "^#|^$" /etc/openldap/slapd.confinclude /etc/openldap/schema/corba.schemainclude /etc/openldap/schema/core.schemainclude /etc/openldap/schema/cosine.schemainclude /etc/openldap/schema/duaconf.schemainclude /etc/openldap/schema/dyngroup.schemainclude /etc/openldap/schema/inetorgperson.schemainclude /etc/openldap/schema/java.schemainclude /etc/openldap/schema/misc.schemainclude /etc/openldap/schema/nis.schemainclude /etc/openldap/schema/openldap.schemainclude /etc/openldap/schema/ppolicy.schemainclude /etc/openldap/schema/collective.schemaallow bind_v2pidfile /var/run/openldap/slapd.pidargsfile /var/run/openldap/slapd.argsTLSCACertificatePath /etc/openldap/certsTLSCertificateFile "\"OpenLDAP Server\""TLSCertificateKeyFile /etc/openldap/certs/passwordaccess to * by self write by anonymous auth by * readdatabase bdbsuffix "dc=dev,dc=com"checkpoint 1024 15rootdn "cn=admin,dc=dev,dc=com"directory /var/lib/ldapindex objectClass eq,presindex ou,cn,mail,surname,givenname eq,pres,subindex uidNumber,gidNumber,loginShell eq,presindex uid,memberUid eq,pres,subindex nisMapName,nisMapEntry eq,pres,subrootpw {SSHA}6jZP4UfMlMfN0XKPch70R5+TiRCV+yT7loglevel 296cachesize 1000checkpoint 2048 10 |
三.启动ldap服务
[root@dev ~]# /etc/init.d/slapd startStarting slapd: [ OK ][root@dev ~]# ps aux |grep ldapldap 2012 0.3 1.9 490532 19656 ? Ssl 21:13 0:00 /usr/sbin/slapd -h ldap:/// ldapi:/// -u ldaproot 2018 0.0 0.0 103248 872 pts/0 S+ 21:14 0:00 grep ldap[root@dev ~]# netstat -tunlp |grep slapdtcp 0 0 0.0.0.0:389 0.0.0.0:* LISTEN 2012/slapd tcp 0 0 :::389 :::* LISTEN 2012/slapd #普通端口389,加密后的是689#添加到开机自启动[root@dev ~]# chkconfig slapd on#查看日志文件[root@dev ~]# tail /var/log/ldap.log Jul 13 21:14:00 dev slapd[2011]: @(#) $OpenLDAP: slapd 2.4.39 (Oct 15 2014 09:51:43) $#012#011mockbuild@c6b8.bsys.dev.centos.org:/builddir/build/BUILD/openldap-2.4.39/openldap-2.4.39/build-servers/servers/slapd |
查询一下ldap的内容
[root@dev ~]# ldapsearch -LLL -W -x -H ldap://dev.com -D "cn=admin,dc=dev,dc=com" -b "dc=dev,dc=com" "(uid=*)"Enter LDAP Password: ldap_bind: Invalid credentials (49) #这里报错#解决如下,删除默认2.4的配置文件,重新生成2.3的配置文件[root@dev ~]# rm -rf /etc/openldap/slapd.d/*[root@dev ~]# slaptest -f /etc/openldap/slapd.conf -F /etc/openldap/slapd.d/55a3bf76 bdb_monitor_db_open: monitoring disabled; configure monitor database to enableconfig file testing succeeded [ OK ][root@dev ~]# ll /etc/openldap/slapd.d/total 8drwxr-x--- 3 root root 4096 Jul 13 21:39 cn=config-rw------- 1 root root 1302 Jul 13 21:39 cn=config.ldif#重启服务[root@dev ~]# /etc/init.d/slapd restartStopping slapd: [ OK ]Checking configuration files for slapd: [FAILED]55a3bfd6 ldif_read_file: Permission denied for "/etc/openldap/slapd.d/cn=config.ldif"slaptest: bad configuration file![root@dev ~]# chown -R ldap.ldap /etc/openldap/slapd.d[root@dev ~]# /etc/init.d/slapd restartStopping slapd: [FAILED]Starting slapd: [ OK ][root@dev ~]# netstat -tunlp |grep slapdtcp 0 0 0.0.0.0:389 0.0.0.0:* LISTEN 5906/slapd tcp 0 0 :::389 :::* LISTEN 5906/slapd#再重新查询ldap内容[root@dev ~]# ldapsearch -LLL -W -x -H ldap://dev.com -D "cn=admin,dc=dev,dc=com" -b "dc=dev,dc=com" "(uid=*)"Enter LDAP Password: #密码是上文中的weyeeNo such object (32) #ldap中还没有任何数据 |
附上2个脚本
添加本地存在用户到目录服务
#脚本内容[root@dev ~]# cat ldapuser.sh ###### ldapuser script start ####### extract local users who have 500-999 digit UID# replace "SUFFIX=***" to your own suffix# this is an example#!/bin/bashSUFFIX='dc=dev,dc=com'LDIF='ldapuser.ldif'echo -n > $LDIFfor line in `grep "x:[5-9][0-9][0-9]:" /etc/passwd | sed -e "s/ /%/g"`do UID1=`echo $line | cut -d: -f1` NAME=`echo $line | cut -d: -f5 | cut -d, -f1` if [ ! "$NAME" ] then NAME=$UID1 else NAME=`echo $NAME | sed -e "s/%/ /g"` fi SN=`echo $NAME | awk '{print $2}'` if [ ! "$SN" ] then SN=$NAME fi GIVEN=`echo $NAME | awk '{print $1}'` UID2=`echo $line | cut -d: -f3` GID=`echo $line | cut -d: -f4` PASS=`grep $UID1: /etc/shadow | cut -d: -f2` SHELL=`echo $line | cut -d: -f7` HOME=`echo $line | cut -d: -f6` EXPIRE=`passwd -S $UID1 | awk '{print $7}'` FLAG=`grep $UID1: /etc/shadow | cut -d: -f9` if [ ! "$FLAG" ] then FLAG="0" fi WARN=`passwd -S $UID1 | awk '{print $6}'` MIN=`passwd -S $UID1 | awk '{print $4}'` MAX=`passwd -S $UID1 | awk '{print $5}'` LAST=`grep $UID1: /etc/shadow | cut -d: -f3` echo "dn: uid=$UID1,ou=people,$SUFFIX" >> $LDIF echo "objectClass: inetOrgPerson" >> $LDIF echo "objectClass: posixAccount" >> $LDIF echo "objectClass: shadowAccount" >> $LDIF echo "uid: $UID1" >> $LDIF echo "sn: $SN" >> $LDIF echo "givenName: $GIVEN" >> $LDIF echo "cn: $NAME" >> $LDIF echo "displayName: $NAME" >> $LDIF echo "uidNumber: $UID2" >> $LDIF echo "gidNumber: $GID" >> $LDIF echo "userPassword: {crypt}$PASS" >> $LDIF echo "gecos: $NAME" >> $LDIF echo "loginShell: $SHELL" >> $LDIF echo "homeDirectory: $HOME" >> $LDIF echo "shadowExpire: $EXPIRE" >> $LDIF echo "shadowFlag: $FLAG" >> $LDIF echo "shadowWarning: $WARN" >> $LDIF echo "shadowMin: $MIN" >> $LDIF echo "shadowMax: $MAX" >> $LDIF echo "shadowLastChange: $LAST" >> $LDIF echo >> $LDIFdone###### ldapuser script end #######使用方法[root@dev ~]# sh ldapuser.sh [root@dev ~]# ldapadd -x -D cn=admin,dc=dev,dc=com -W -f ldapuser.ldif |
添加本地存在组到目录服务
#脚本内容[root@dev ~]# cat ldapgroup.sh# extract local groups who have 500-999 digit UID# replace "SUFFIX=***" to your own suffix# this is an example#!/bin/bashSUFFIX='dc=dev,dc=com'LDIF='ldapgroup.ldif'echo -n > $LDIFfor line in `grep "x:[5-9][0-9][0-9]:" /etc/group`do CN=`echo $line | cut -d: -f1` GID=`echo $line | cut -d: -f3` echo "dn: cn=$CN,ou=groups,$SUFFIX" >> $LDIF echo "objectClass: posixGroup" >> $LDIF echo "cn: $CN" >> $LDIF echo "gidNumber: $GID" >> $LDIF users=`echo $line | cut -d: -f4 | sed "s/,/ /g"` for user in ${users} ; do echo "memberUid: ${user}" >> $LDIF done echo >> $LDIFdone#使用方法和前面的脚本一样 |
添加一个系统用户,使用脚本添加进ldap中
#创建系统用户user1,设置密码user1[root@dev ~]# useradd user1[root@dev ~]# passwd user1Changing password for user user1.New password: BAD PASSWORD: it is too shortBAD PASSWORD: is too simpleRetype new password: passwd: all authentication tokens updated successfully. |
四.安装migrationtools
[root@dev ~]# yum install migrationtools -y |
编辑migrationtool的配置文件/usr/share/migrationtools/migrate_common.ph
[root@dev ~]# vim /usr/share/migrationtools/migrate_common.ph# Default DNS domain$DEFAULT_MAIL_DOMAIN = "dev.com";# Default base $DEFAULT_BASE = "dc=dev,dc=com"; |
下面利用pl脚本将/etc/passwd 和/etc/shadow生成LDAP能读懂的文件格式,保存在/tmp/下
[root@dev ~]# /usr/share/migrationtools/migrate_base.pl >/tmp/base.ldif[root@dev ~]# /usr/share/migrationtools/migrate_passwd.pl /etc/passwd >/tmp/passwd.ldif[root@dev ~]# /usr/share/migrationtools/migrate_passwd.pl /etc/group >/tmp/group.ldif |
下面就要把这三个文件导入到LDAP,这样LDAP的数据库里就有了我们想要的用户
#导入base[root@dev ~]# ldapadd -x -D "cn=admin,dc=dev,dc=com" -W -f /tmp/base.ldif Enter LDAP Password: adding new entry "dc=dev,dc=com"adding new entry "ou=Hosts,dc=dev,dc=com"adding new entry "ou=Rpc,dc=dev,dc=com"adding new entry "ou=Services,dc=dev,dc=com"adding new entry "nisMapName=netgroup.byuser,dc=dev,dc=com"adding new entry "ou=Mounts,dc=dev,dc=com"adding new entry "ou=Networks,dc=dev,dc=com"adding new entry "ou=People,dc=dev,dc=com"adding new entry "ou=Group,dc=dev,dc=com"adding new entry "ou=Netgroup,dc=dev,dc=com"adding new entry "ou=Protocols,dc=dev,dc=com"adding new entry "ou=Aliases,dc=dev,dc=com"adding new entry "nisMapName=netgroup.byhost,dc=dev,dc=com"#导入passwd[root@dev ~]# ldapadd -x -D "cn=admin,dc=dev,dc=com" -W -f /tmp/passwd.ldif Enter LDAP Password: adding new entry "uid=root,ou=People,dc=dev,dc=com"adding new entry "uid=bin,ou=People,dc=dev,dc=com"adding new entry "uid=daemon,ou=People,dc=dev,dc=com"adding new entry "uid=adm,ou=People,dc=dev,dc=com"adding new entry "uid=lp,ou=People,dc=dev,dc=com"adding new entry "uid=sync,ou=People,dc=dev,dc=com"adding new entry "uid=shutdown,ou=People,dc=dev,dc=com"adding new entry "uid=halt,ou=People,dc=dev,dc=com"adding new entry "uid=mail,ou=People,dc=dev,dc=com"adding new entry "uid=uucp,ou=People,dc=dev,dc=com"adding new entry "uid=operator,ou=People,dc=dev,dc=com"adding new entry "uid=games,ou=People,dc=dev,dc=com"adding new entry "uid=gopher,ou=People,dc=dev,dc=com"adding new entry "uid=ftp,ou=People,dc=dev,dc=com"adding new entry "uid=nobody,ou=People,dc=dev,dc=com"adding new entry "uid=dbus,ou=People,dc=dev,dc=com"adding new entry "uid=vcsa,ou=People,dc=dev,dc=com"adding new entry "uid=abrt,ou=People,dc=dev,dc=com"adding new entry "uid=haldaemon,ou=People,dc=dev,dc=com"adding new entry "uid=ntp,ou=People,dc=dev,dc=com"adding new entry "uid=saslauth,ou=People,dc=dev,dc=com"adding new entry "uid=postfix,ou=People,dc=dev,dc=com"adding new entry "uid=sshd,ou=People,dc=dev,dc=com"adding new entry "uid=tcpdump,ou=People,dc=dev,dc=com"adding new entry "uid=rpc,ou=People,dc=dev,dc=com"adding new entry "uid=hacluster,ou=People,dc=dev,dc=com"adding new entry "uid=rpcuser,ou=People,dc=dev,dc=com"adding new entry "uid=nfsnobody,ou=People,dc=dev,dc=com"adding new entry "uid=ldap,ou=People,dc=dev,dc=com"adding new entry "uid=nscd,ou=People,dc=dev,dc=com"adding new entry "uid=nslcd,ou=People,dc=dev,dc=com"adding new entry "uid=user1,ou=People,dc=dev,dc=com"#导入group[root@dev ~]# ldapadd -x -D "cn=admin,dc=dev,dc=com" -W -f /tmp/group.ldif |
再次查询ldap的内容
[root@dev ~]# ldapsearch -LLL -W -x -H ldap://dev.com -D "cn=admin,dc=dev,dc=com" -b "dc=dev,dc=com" "(uid=user1)" Enter LDAP Password: dn: uid=user1,ou=People,dc=dev,dc=comuid: user1 #这里我们只查询user1cn: user1objectClass: accountobjectClass: posixAccountobjectClass: topobjectClass: shadowAccountuserPassword:: e2NyeXB0fSQxJC5CTHJNWDJEJE9FYnNMc2N4S3NQQ2liLk5uVC5ZMTA=shadowLastChange: 16629shadowMin: 0shadowMax: 99999shadowWarning: 7loginShell: /bin/bashuidNumber: 500gidNumber: 500homeDirectory: /home/user1#不用输入密码查询[root@dev ~]# ldapsearch -LLL -w weyee -x -H ldap://dev.com -D "cn=admin,dc=dev,dc=com" -b "dc=dev,dc=com" "(uid=user1)" dn: uid=user1,ou=People,dc=dev,dc=comuid: user1cn: user1objectClass: accountobjectClass: posixAccountobjectClass: topobjectClass: shadowAccountuserPassword:: e2NyeXB0fSQxJC5CTHJNWDJEJE9FYnNMc2N4S3NQQ2liLk5uVC5ZMTA=shadowLastChange: 16629shadowMin: 0shadowMax: 99999shadowWarning: 7loginShell: /bin/bashuidNumber: 500gidNumber: 500homeDirectory: /home/user1 |
备份ldap数据
[root@dev ~]# ldapsearch -LLL -w weyee -x -H ldap://dev.com -D "cn=admin,dc=dev,dc=com" -b "dc=dev,dc=com" >ldap.bak |
五.安装配置ldap客户端phpladpadmin
#安装epel源[root@dev ~]# yum install httpd php php-ldap php-gd -y |
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