在CentOS 6.5上安装OpenLDAP并配置LDAP方式用户登录

在CentOS 6.5上安装OpenLDAP并配置LDAP方式用户登录

1.安装PHP和apache
如果没有EPEL的源需要安装下
yum install epel-release
若没有下载下来,就创建/etc/yum.repo.d/epel.repo

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[epel]
name=Extra Packages for Enterprise Linux 6 - $basearch
#baseurl=http://download.Fedoraproject.org/pub/epel/6/$basearch
mirrorlist=https://mirrors.fedoraproject.org/metalink?repo=epel-6&arch=$basearch
failovermethod=priority
enabled=1
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-6

[epel-debuginfo]
name=Extra Packages for Enterprise Linux 6 - $basearch - Debug
#baseurl=http://download.fedoraproject.org/pub/epel/6/$basearch/debug
mirrorlist=https://mirrors.fedoraproject.org/metalink?repo=epel-debug-6&arch=$basearch
failovermethod=priority
enabled=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-6
gpgcheck=1

[epel-source]
name=Extra Packages for Enterprise Linux 6 - $basearch - Source
#baseurl=http://download.fedoraproject.org/pub/epel/6/SRPMS
mirrorlist=https://mirrors.fedoraproject.org/metalink?repo=epel-source-6&arch=$basearch
failovermethod=priority
enabled=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-6
gpgcheck=1

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phpldapadmin依赖apache和php

yum install php httpd
配置httpd.conf


2.安装OpenLDAP
yum install *openldap* openldap openldap-servers openldap-clients
配置OpenLDAP,配置文件/etc/openldap/slapd.conf
该文件默认没有,从/usr/share/openldap-servers/slapd.conf.obsolete拷贝一份到该位置
owner为ldap:ldap

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database monitor
access to *
        by dn.exact="gidNumber=0+uidNumber=0,cn=peercred,cn=external,cn=auth" read
        by dn.exact="cn=Manager,dc=iflyyun,dc=cn" read
        by * none
database        bdb
suffix          "dc=iflyyun,dc=cn"
checkpoint      1024 15
rootdn          "cn=Manager,dc=iflyyun,dc=cn"

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配置/etc/openldap/ldap.conf

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BASE    dc=iflyyun,dc=cn
URI    ldap://bja-pro0002.Hadoop.cpcc.iflyyun.cn

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配置ldap管理员用户密码
sldappasswd(注意不要用ldappasswd,否则会报GSSAPI错误)
输入密码,获得{SSHA}ph+VRzfWSeamboy0itVlazrJrxzVHh80格式的密码再修改/etc/openldap/slapd.conf
直接使用明文密码,使用加密密码有点问题
配置apache识别index.php
修改/etc/httpd/conf/httpd.conf
找到下面这一行,添加index.php
DirectoryIndex index.html index.html.var index.php
修改/etc/httpd/conf.d/php.conf
测试OpenLDAP配置文件是否正确:
slaptest -u -f /etc/openldap/slapd.conf


3.安装phpldapadmin
yum install phpldapadmin
配置/etc/phpldapadmin/config.ini

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$servers->setValue('server','host','192.168.51.211');
$servers->setValue('server','port',389);
$servers->setValue('server','base',array('dc=iflyyun,dc=cn'));
$servers->setValue('login','auth_type','cookie');
$servers->setValue('login','bind_id','cn=Manager,dc=iflyyun,dc=cn');


$servers->setValue('login','attr','dn');(397行,这行取消注释)
// $servers->setValue('login','attr','uid');(将这行注释掉,否则登录会报错)

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修改/etc/httpd/conf.d/phpldapadmin.conf,允许从其他机器访问

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<Directory /usr/share/phpldapadmin/htdocs>
  Order Deny,Allow
  Allow from all
</Directory>

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4.phpldapadmin配置
删除/etc/openldap/lapd.d/目录下的所有文件
创建LDAP根目录
ldapadd -x -D"cn=Manager,dc=iflyyun,dc=cn" -f base.ldif -W
base.ldif

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dn: dc=iflyyun,dc=cn
o: ldap
objectclass: dcObject
objectclass: organization

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创建管理员用户
# Manager, iflyyun.cn
dn: cn=Manager,dc=iflyyun,dc=cn
objectClass: simpleSecurityObject
objectClass: organizationalRole
cn: Manager
description: LDAP administrator


5.LDAP客户端配置
安装必备软件
yum install nss-pam-ldapd pam_ldap openldap-clients
需要修改的配置文件有:
/etc/sysconfig/authconfig、/etc/pam.d/system-auth、/etc/openldap/ldap.conf、/etc/nssswitch.conf
修改/etc/sysconfig/authconfig

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IPADOMAINJOINED=no
USEMKHOMEDIR=yes
USEPAMACCESS=no
CACHECREDENTIALS=yes
USESSSDAUTH=no
USESHADOW=yes
USEWINBIND=no
USEDB=no
FORCELEGACY=no
USEFPRINTD=yes
FORCESMARTCARD=no
PASSWDALGORITHM=yes
USELDAPAUTH=yes
USEPASSWDQC=no
IPAV2NONTP=no
USELOCAUTHORIZE=yes
USECRACKLIB=yes
USEIPAV2=no
USEWINBINDAUTH=no
USESMARTCARD=no
USELDAP=yes
USENIS=no
USEKERBEROS=no
USESYSNETAUTH=yes
USESSSD=no
USEHESIOD=no

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修改/etc/pam.d/system-auth

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#%PAM-1.0
# This file is auto-generated.
# User changes will be destroyed the next time authconfig is run.
auth        required      pam_env.so
auth        sufficient    pam_fprintd.so
auth        sufficient    pam_ldap.so
auth        sufficient    pam_unix.so nullok try_first_pass
auth        requisite    pam_succeed_if.so uid >= 500 quiet
auth        required      pam_deny.so

account    required      pam_unix.so
account    sufficient    pam_localuser.so
account    sufficient    pam_succeed_if.so uid < 500 quiet
account    required      pam_permit.so
account    required      pam_ldap.so

password    requisite    pam_cracklib.so try_first_pass retry=3 type=
password    sufficient    pam_unix.so md5 shadow nullok try_first_pass use_authtok
password    sufficient    pam_ldap.so  use_authtok md5
password    required      pam_deny.so

session    optional      pam_keyinit.so revoke
session    required      pam_limits.so
session    [success=1 default=ignore] pam_succeed_if.so service in crond quiet use_uid
session    required      pam_unix.so
session    required  pam_mkhomedir.so skel=/etc/skel/ umask=0022
session    optional  pam_ldap.so

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修改/etc/openldap/ldap.conf

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#
# LDAP Defaults
#

# See ldap.conf(5) for details
# This file should be world readable but not world writable.

#BASE  dc=example,dc=com
#URI    ldap://ldap.example.com ldap://ldap-master.example.com:666

#SIZELIMIT      12
#TIMELIMIT      15
#DEREF          never

TLS_CACERTDIR /etc/openldap/cacerts

BASE dc=iflyyun,dc=cn
URI ldap://hfa-pro0002.hadoop.cpcc.iflyyun.cn

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修改/etc/nssswitch.conf

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#
# /etc/nsswitch.conf
#
# An example Name Service Switch config file. This file should be
# sorted with the most-used services at the beginning.
#
# The entry '[NOTFOUND=return]' means that the search for an
# entry should stop if the search in the previous entry turned
# up nothing. Note that if the search failed due to some other reason
# (like no NIS server responding) then the search continues with the
# next entry.
#
# Valid entries include:
#
#      nisplus                Use NIS+ (NIS version 3)
#      nis                    Use NIS (NIS version 2), also called YP
#      dns                    Use DNS (Domain Name Service)
#      files                  Use the local files
#      db                      Use the local database (.db) files
#      compat                  Use NIS on compat mode
#      hesiod                  Use Hesiod for user lookups
#      [NOTFOUND=return]      Stop searching if not found so far
#

# To use db, put the "db" in front of "files" for entries you want to be
# looked up first in the databases
#
# Example:
#passwd:    db files nisplus nis
#shadow:    db files nisplus nis
#group:    db files nisplus nis

passwd:    files ldap
shadow:    files ldap
group:      files ldap

#hosts:    db files nisplus nis dns
hosts:      files dns

# Example - obey only what nisplus tells us...
#services:  nisplus [NOTFOUND=return] files
#networks:  nisplus [NOTFOUND=return] files
#protocols:  nisplus [NOTFOUND=return] files
#rpc:        nisplus [NOTFOUND=return] files
#ethers:    nisplus [NOTFOUND=return] files
#netmasks:  nisplus [NOTFOUND=return] files   

bootparams: nisplus [NOTFOUND=return] files

ethers:    files
netmasks:  files
networks:  files
protocols:  files
rpc:        files
services:  files

netgroup:  nisplus

publickey:  nisplus

automount:  files nisplus
aliases:    files nisplus

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开启名称缓存服务
service nscd restart

OpenLDAP 的详细介绍:请点这里
OpenLDAP 的下载地址:请点这里

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