搭建OPENLDAP代理服务无缝访问AD服务器

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1、安装Berkeley DB
#下载、安装软件包
wget http://download.oracle.com/berkeley-db/db-4.6.21.tar.gz

 tar -xvzf db-4.6.21.tar.gz cd db-4.6.21 cd build_unix ../dist/configure --prefix=/usr/local/berkeleydb make make install

2、安装openldap
下载openldap安装包:此处我用的版本号为2.4.43,下面配置也仅依据该版本 ,其他版本未做研究,而且差别很大。
安装包:openldap-2.4.43.tgz
第一步,解开安装包
第二步,设置编译环境变量

CPPFLAGS="-I/usr/local/berkeleydb/include" export CPPFLAGS LDFLAGS="-L/usr/local/lib -L/usr/local/berkeleydb/lib" export LDFLAGS LD_LIBRARY_PATH="/usr/local/berkeleydb/lib" export LD_LIBRARY_PATH

第三步,配置openldap:

cd openldap-2.4.43 ./configure --prefix=/usr/local/ldapproxy --enable-bdb=mod --enable-ldap=mod --enable-meta=mod --enable-rewrite=yes --with-proxycache=yes  --enable-rwm=yes

没有报错即可下一步。若有报错优先解决满足配置要求。
如下警告:configure: WARNING: unrecognized options: –with-proxycache
可以不理会,继续

make depend

第四步,编译安装:

makemake install

第五步,配置openldap:
vi /usr/local/ldapproxy/etc/openldap/slapd.conf
1、包入所有的schema

include     /usr/local/ldapproxy/etc/openldap/schema/core.schemainclude     /usr/local/ldapproxy/etc/openldap/schema/ppolicy.schemainclude     /usr/local/ldapproxy/etc/openldap/schema/misc.schemainclude     /usr/local/ldapproxy/etc/openldap/schema/corba.schemainclude     /usr/local/ldapproxy/etc/openldap/schema/collective.schemainclude     /usr/local/ldapproxy/etc/openldap/schema/cosine.schemainclude     /usr/local/ldapproxy/etc/openldap/schema/dyngroup.schemainclude     /usr/local/ldapproxy/etc/openldap/schema/nis.schema

2、load模块:

moduleload  metaoverlay     rwmrewriteEngine   on

3、增加ldap代理配置:

database    ldapsuffix      "dc=server,dc=org"rebind-as-user  yesuri "ldap://server.org"chase-referrals yes

4、增加本地服务器的配置:

lastmod     offdatabase    bdbsuffix  "dc=testadvdbg,dc=org"rootdn  "cn=user,dc=testserver,dc=org"rootpw  user

5、公共配置:

directory   /usr/local/ldapproxy/var/openldap-dataindex   objectClass eq,presindex   ou,cn,mail,surname,givenname    eq,pres,subindex   uid eq,pres,sub

配置完成,slapd.conf配置文件中内容均以tab键分割,否则报错。
第六步,测试openldap配置

[root@mailmeta1 libexec]# /usr/local/ldapproxy/libexec/slapd -T test -uconfig file testing succeeded

说明测试通过
第七步,启动openldap代理服务

[root@mailmeta1 libexec]# /usr/local/ldapproxy/libexec/slapd -d 256&[1] 20493[root@mailmeta1 libexec]# 568c8098 @(#) $OpenLDAP: slapd 2.4.43 (Jan  6 2016 10:31:01) $        root@mailmeta1.synihefei.com:/home/ldap/openldap-2.4.43/servers/slapd568c8098 bdb_db_open: warning - no DB_CONFIG file found in directory /usr/local/ldapproxy/var/openldap-data: (2).Expect poor performance for suffix "dc=testadvdbg,dc=org".568c8098 bdb_monitor_db_open: monitoring disabled; configure monitor database to enable568c8098 slapd starting

没有报错说明启动成功。
第八步,配置域名解析

vi /etc/hosts192.168.28.183   server.org

第八步,测试代理是否可用
1、登录本地openldap服务器是否成功

/usr/local/ldapproxy/bin/ldapsearch -H "ldap://127.0.0.1:389" -D "cn=user,dc=testserver,dc=org" -w '111111' -b "ou=People,DC=testserver,DC=org"

2、通过代理登录AD查询是否成功

/usr/local/ldapproxy/bin/ldapsearch -H "ldap://127.0.0.1:389" -D "cn=Administrator,cn=users,dc=server,dc=org" -w '111111' -b "cn=users,DC=server,DC=org" -x

提示如下表示成功查询:
# search result
search: 2
result: 0 Success

# numResponses: 42
# numEntries: 41

0 0
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