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ͼ 1. LDAP Ŀ¼ÌõÄ¿ºÍ Linux ÃÜÂëÎļþÖ®¼äµÄ¹ØÏµ
Îļþ /etc/openldap/schema/nis.schema Ϊ posixAccount ¶ÔÏóÀàÖеÄÌõÄ¿¶¨ÒåÁËËùÓеÄÊôÐÔºÍ objectclass¡£ÀýÈ磬ÏÂÃæÊÇ¶Ô uidNumber ÊôÐÔµÄÃèÊö£º
attributetype ( 1.3.6.1.1.1.1.0 NAME 'uidNumber' DESC 'An integer uniquely identifying a user in an administrative domain' EQUALITY integerMatch SYNTAX 1.3.6.1.4.1.1466.115.121.1.27 SINGLE-VALUE )
ËùÓеÄÊôÐÔÀàÐͶ¼ÒѾ¶¨ÒåÁË£¬ËüÃDZ»ÊÕ¼¯µ½ posixAccount objectclass ÖС£ÀýÈ磺
objectclass ( 1.3.6.1.1.1.2.0 NAME 'posixAccount' SUP top AUXILIARY DESC 'Abstraction of an account with POSIX attributes' MUST ( cn $ uid $ uidNumber $ gidNumber $ homeDirectory ) MAY ( userPassword $ loginShell $ gecos $ description ) )
ldapuser ÌõÄ¿¾ßÓÐÒ»¸öʶ±ðÃûÊôÐÔ dn£¬ËüÓÃ×÷Óû§Ãû£¬²¢Óë userPassword Ò»ÆðÓÃÀ´ÔÚ LDAP Ŀ¼ÖмǼÐÅÏ¢£¬»òÓë LDAP Ŀ¼°ó¶¨ÔÚÒ»ÆðʹÓá£
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ͼ 2. Óû§ÕʺÅÐÅϢʹÓõÄĿ¼ÐÅÏ¢Ê÷
ÈÃÎÒÃÇÀ´¿´Ò»ÏÂÈçºÎÅäÖà OpenLDAP ·þÎñÆ÷£¬ÈçºÎ½«ÐÅÏ¢´ÓϵͳÎļþÇ¨ÒÆµ½ LDAP Ŀ¼ÖУ¬ÈçºÎÅäÖà OpenLDAP ¿Í»§»úͨ¹ý LDAP ¶ÔÓû§½øÐÐÉí·ÝÑéÖ¤¡£ÔÚʹÓÃÒ»¸ö¼¯ÖеÄÉí·ÝÑéÖ¤Êý¾Ý¿âʱ£¬Ó¦¸Ãͨ¹ýʹÓø´ÖƼ¼Êõ²ÉÓõڶþ¸ö LDAP ·þÎñÆ÷Ìṩ¸ß¿ÉÓÃÐÔ£¬ÕâÑùÔÚÖ÷·þÎñÆ÷³öÏÖÎÊÌâʱ£¬¾Í¿ÉÒÔʹÓõڶþ¸ö LDAP ·þÎñÆ÷ÏìÓ¦¿Í»§»úµÄÇëÇó¡£ÓÉÓÚÖîÈçÃÜÂëÖ®ÀàµÄÉí·ÝÑéÖ¤Êý¾Ý»áͨ¹ýÍøÂç½øÐд«Ê䣬Òò´ËÏ£ÍûʹÓà TSL ÐÒ齨Á¢¼ÓÃÜͨÐÅÁ¬½Ó¡£
ÎÒÃÇµÄ OpenLDAP ·þÎñÆ÷ºÍ¿Í»§»ú¶¼ÊÇÐéÄâ»ú£¬ÉÏÃæÔËÐеÄÊÇ Red Hat Enterprise Linux AS release 4£¨Nahant Update 1£©¡£ÔÚÎÒÃǵÄÀý×ÓÖÐʹÓÃÁË ±í 1 ËùÁгöµÄϵͳ¡£Èç¹ûÏëÄ£·ÂÕâЩÀý×Ó£¬ÇëʹÓÃÊʺÏÄú×Ô¼ºµÄÉèÖá£
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| ½ÇÉ« | Ö÷»úÃû | IP µØÖ· |
|---|---|---|
| OpenLDAP Ö÷·þÎñÆ÷ | dhcp64-233.ibm.com | 9.47.64.233 |
| OpenLDAP ´Ó·þÎñÆ÷ | dhcp64-253.ibm.com | 9.47.64.253 |
| OpenLDAP ¿Í»§»ú | dhcp64-251.ibm.com | 9.47.64.251 |
|
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- slapcat£º´ò¿ª LDAP Êý¾Ý¿â£¬²¢½«¶ÔÓ¦µÄÌõÄ¿Êä³öΪ LDIF ¸ñʽ
OpenLDAP µÄÖ÷Òª·þÎñÆ÷ÅäÖÃÎļþÊÇ /etc/openldap/slapd.conf¡£±¾ÀýËùʹÓõÄÍêÕû slapd.conf ÎļþÈç Çåµ¥ 18 Ëùʾ¡£slapd.conf ÎļþÖаüÀ¨Ò»ÏµÁÐÈ«¾ÖÅäÖÃÑ¡ÏËüÃÇ×÷Ϊһ¸öÕûÌåÓ¦Óõ½ slapd ÉÏÃæ£¬ºóÃæÊǰüº¬Êý¾Ý¿âÌØÓÐÐÅÏ¢µÄÊý¾Ý¿âºó¶Ë¶¨Òå¡£Èç¹ûÒ»ÐÐÄÚÈÝÊÇÒÔ¿Õ¸ñ¿ªÊ¼µÄ£¬¾ÍÈÏΪËüÊÇÉÏÒ»ÐеÄÑÓÐø¡£¿ÕÐкÍÒÔ ¡°#¡± ×Ö·û¿ªÍ·µÄ×¢ÊÍÐж¼»á±»ºöÂÔ¡£
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ÕýÈçÉÏÃæ½éÉܵÄÒ»Ñù£¬ÐÅÏ¢±»×éÖ¯³ÉÊôÐÔºÍÖµµÄ×éºÏ£¬³ÆÎªÌõÄ¿¡£ÌõÄ¿ÊôÐÔ±ØÐë×ñѵĹæÔòÊÇʹÓà objectclass רÓÃÊôÐÔ½øÐÐ×éÖ¯µÄ£¬Õâ¿ÉÒÔÔÚ /etc/openldap/schema/ ģʽÎļþÖÐÕÒµ½¡£¶ÔÓÚÉí·ÝÑéÖ¤À´Ëµ£¬ÐèҪʹÓÃÔÚ nis.schema Öж¨ÒåµÄ posixAccount ºÍ shadowAccount objectclasses£º
include /etc/openldap/schema/nis.schema
loglevel ÐÐÉèÖõÄÊÇÈÕ־ѡÏî¡£¿ÉÒÔ½«ÆäÉèÖÃΪÕâÑùµÄ¼¶±ð£ºµ÷ÊÔÓï¾äºÍ²Ù×÷ͳ¼ÆÐÅÏ¢¶¼»á±»¼Ç¼µ½ /var/log/slapd.log ÖС£ÈÕÖ¾¼¶±ðÊÇÀۼӵģº296 = 256 ÈÕÖ¾Á¬½Ó/²Ù×÷/½á¹û + 32 ËÑË÷¹ýÂËÆ÷´¦Àí + 8 Á¬½Ó¹ÜÀí£º
loglevel 296
ÈÕÖ¾ÐÅÏ¢»á±»¼Ç¼µ½ syslogd LOG_LOCAL4 »úÖÆÖС£»¹ÐèÒª½«ÏÂÃæµÄÄÚÈÝÌí¼Óµ½ /etc/syslog.conf ÖУ¬²¢Èà syslogd ÖØÐ¶ÁÈ¡×Ô¼ºµÄÅäÖÃÎļþ£º
local4.debug /var/log/slapd.log
access Ðж¨ÒåÁËË¿ÉÒÔ·ÃÎÊĿ¼ÖеÄÄÚÈÝ¡£ÎÒÃÇÏ£ÍûÓû§¿ÉÒÔÐÞ¸Ä×Ô¼ºµÄÃÜÂ룬²¢¸üÐÂ×Ô¼ºµÄ shadow ÐÅÏ¢À´·´Ó³ÃÜÂëµÄ±ä»¯¡£Ï£ÍûÉí·ÝÑéÖ¤³ÌÐòÄܹ»¼ìË÷Óû§µÄÃÜÂë¡£»¹Ï£ÍûÓû§Äܹ»¶ÁÈ¡ËùÓÐÆäËûÌõÄ¿¡£×¢ÒâÃÜÂëÌõÄ¿ÊDz»¿É¶ÁµÄ£¬shadow ÊôÐÔµÄΩһÓô¦¾ÍÊǹÜÀíÃÜÂëµÄ¹ýÆÚÎÊÌâ¡£
access to attrs=shadowLastChange,userPassword
by self write
by * auth
access to *
by * read
½ÓÏÂÀ´£¬ÔÚ database ²¿·Ö£¬Òª¶¨ÒåÏÂÃæµÄÄÚÈÝ¡£
ʹÓÃÐ嵀 bdb ºó¶ËÊý¾Ý¿â£º
database bdb
Ö¸¶¨ºó¶ËÊý¾Ý¿âÐèÒªÏìÓ¦µÄ²éѯµÄ DN ǰ׺¡£ÎªÁËÈ·±£Î©Ò»ÐÔ£¬¸ùǰ׺Ӧ¸Ã´Ó×Ô¼ºµÄÍøÂçÓòÃû¹¹½¨³öÀ´¡£ÔÚ±¾ÀýµÄÇé¿öÖУ¬ËüÊÇ .dc=svc,dc=beaverton,dc=ibm,dc=com.£¬µ«ÊÇÔÚÏÂÃæµÄÀý×ÓÖÐÎÒÃÇ¶ÔÆä½øÐÐÁ˼ò»¯£º
suffix "dc=ibm,dc=com"
Ö¸¶¨¹ÜÀí DN£¬Ëü²»ÓÃÓÚ·ÃÎÊ¿ØÖÆ»òÏÞÖÆÊý¾Ý¿âµÄ²Ù×÷¡£Ò²²»ÐèÒªÔÚĿ¼ÖÐΪÕâ¸ö DN Ö¸¶¨Ò»¸öÌõÄ¿¡£Îª¾ßÓÐ rootpw ÃÜÂëµÄ¹ÜÀíԱʹÓà DN ¿ÉÒÔÌø¹ý ACL ¹æÔòÖеÄËùÓзÃÎÊ¿ØÖÆ£º
rootdn "cn=Manager,dc=ibm,dc=com"
rootpw {MD5}ijFYNcSNctBYg
Õâ¾ÍÊÇÎÒÃÇÏÖÔÚÏëÒªÉèÖõÄÑ¡Ïî¡£ÉԺ󽫷µ»Ø slapd.conf ÎļþÀ´ÅäÖø´ÖÆ£¬È»ºóÔÚÅäÖð²È«ÐÔ¡£
ÏÖÔÚ£¬ÎÒÃÇÏ£Íû½«Êý¾ÝÌí¼Óµ½Ä¿Â¼ÖУ¬²¢È·ÈÏ¿ÉÒÔ·ÃÎÊÕâЩÐÅÏ¢¡£ÒªÊµÏÖÕâÖÖ¹¦ÄÜ£¬ÐèÒªÅäÖ÷þÎñÆ÷À´Ê¹Óà ldap ¿Í»§»ú¹¤¾ß£¬ÀýÈç ldapadd ºÍ ldapsearch¡£ldap ¿Í»§»ú¹¤¾ßµÄÅäÖÃÎļþÊÇ /etc/openldap/ldap.conf¡£ÎÒÃÇʹÓõÄÕâ¸öÎļþµÄÍêÕûÁбíÈç±¾ÎÄĩβµÄ Çåµ¥ 19 Ëùʾ¡£ÒªÔÚ ldap ·þÎñÆ÷ÉÏÔËÐÐÕâЩ¹¤¾ß£¬Ö»ÐèÒª½«¸ÃÐÐÐ޸ijÉÏÂÃæµÄÄÚÈÝ£º
BASE dc=ibm,dc=com
ÉèÖÃÆô¶¯½Å±¾ÔÚ¼¶±ð 2¡¢3 ºÍ 5 ʱÆô¶¯ LDAP£º
Çåµ¥ 1. ÉèÖÃÆô¶¯ÔËÐм¶±ð
# chkconfig --levels 235 ldap on
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´ÓÃüÁîÐÐÖÐÆô¶¯·þÎñ£º
Çåµ¥ 2. Æô¶¯·þÎñ
# service ldap start
Starting slapd: [ OK ]
|
OpenLDAP ÊØ»¤½ø³Ì slapd Ó¦¸ÃÒѾÔËÐÐÁË£º
Çåµ¥ 3. ¼ì²é·þÎñÕýÔÚÔËÐÐ
# ps -ef | grep slap
ldap 13521 1 0 Oct24 ? 00:00:00 /usr/sbin/slapd -u ldap -h ldap:/// ldaps:///
|
ldapsearch -x ÃüÁîÓ¦¸Ã¿ÉÒԳɹ¦Íê³É£¬µ«²»»á·µ»ØÈκÎÊý¾Ý¡£
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Red Hat ËùÌṩµÄ openldap-servers °ü°üº¬ PADL Software Pty Ltd. ¹«Ë¾µÄ MigrationTools ¹¤¾ß¡£ÎÒÃǽ«Ê¹ÓÃÕâЩ¹¤¾ß½«Êý¾Ý´Ó Linux ϵͳÎļþ£¨ÀýÈç /etc/group ºÍ /etc/password£©×ª»»³É LDAP LDIF ¸ñʽ£¬ÕâÊÇÊý¾Ý¿âÐÅÏ¢µÄÒ»ÖÖÎı¾¸ñʽµÄ±íʾ¡£ÕâÖÖ¸ñʽÊÇÐн綨¡¢Ã°ºÅ·Ö¸ôµÄÊôÐÔ-Öµ¶Ô¡£
ÓÐÒ»×é Perl ½Å±¾±»°²×°µ½ /usr/share/openldap/migration/ ÖÐÖ´ÐÐÇ¨ÒÆ¡£ÕâЩ Perl ½Å±¾µÄÅäÖÃÐÅÏ¢°üº¬ÔÚ migrate_common.ph ÎļþµÄ¿ªÍ·¡£¶ÔÓÚÎÒÃǵÄÄ¿µÄÀ´Ëµ£¬Ö»ÐèÒªÐÞ¸ÄÃüÃûǰ׺µÄ±äÁ¿À´Ê¹ÓÃÌõÄ¿µÄʶ±ðÃû¾Í×ã¹»ÁË£¬ÈçÏÂËùʾ£º
$DEFAULT_BASE = "dc=ibm,dc=com"
ÔÚ½øÐÐÕâЩÐÞ¸ÄÖ®ºó£¬ÇëÔËÐнű¾ migrate_base.pl£¬Ëü»á´´½¨¸ùÏ²¢Îª Hosts¡¢Networks¡¢Group ºÍ People µÈ´´½¨µÍÒ»¼¶µÄ×éÖ¯µ¥Ôª£º
Çåµ¥ 4. ÔËÐÐ migrate_base.pl
# migrate_base.pl > base.ldif
|
±à¼ base.ldif£¬É¾³ý³ýÏÂÃæÖ®ÍâµÄËùÓÐÌõÄ¿£º
Çåµ¥ 5. base.ldif ÌõÄ¿
# cat base.ldif
dn: dc=ibm,dc=com
dc: ibm
objectClass: top
objectClass: domain
dn: ou=People,dc=ibm,dc=com
ou: People
objectClass: top
objectClass: organizationalUnit
dn: ou=Group,dc=ibm,dc=com
ou: Group
objectClass: top
objectClass: organizationalUnit
|
ÔÚ LDAP ·þÎñÆ÷ÉÏ£¬Ê¹Óà OpenLDAP ¿Í»§»ú¹¤¾ß ldapadd ½«ÒÔÏÂÌõÄ¿²åÈëµ½Êý¾Ý¿âÖС£¼òµ¥Éí·ÝÑéÖ¤±ØÐëҪʹÓà -x Ñ¡ÏîÖ¸¶¨¡£ÔÚ slapd.conf Öж¨ÒåµÄ rootdn Éí·ÝÑé֤ʶ±ðÃûÊÇ ¡°cn=Manager,dc=ibm,dc=com¡±¡£¶ÔÓÚ¼òµ¥Éí·ÝÑéÖ¤À´Ëµ£¬±ØÐëʹÓÃÃÜÂ롣ѡÏî -W Ç¿ÖÆÌáʾÊäÈëÃÜÂë¡£Õâ¸öÃÜÂë¾ÍÊÇÔÚ slapd.conf ÎļþÖÐÖ¸¶¨µÄ rootpw ²ÎÊýµÄÖµ¡£°üº¬ÕâЩÌõÄ¿µÄ LDIF ÎļþÊÇʹÓà -f Ñ¡ÏîÖ¸¶¨µÄ£º
Çåµ¥ 6. ʹÓà ldapadd ²åÈëÌõÄ¿
# ldapadd -x -D "cn=Manager,dc=ibm,dc=com" -W -f base.ldif
|
½ÓÏÂÀ´£¬´Ó /etc/group ÖÐÇ¨ÒÆ ldapuser ×飺
Çåµ¥ 7. Ç¨ÒÆ ldapuser ×é
# grep ldapuser /etc/group > group.in # ./migrate_group.pl group.in > group.ldif # cat group.ldif dn: cn=ldapuser,ou=Group,dc=ibm,dc=com objectClass: posixGroup objectClass: top cn: ldapuser userPassword: {crypt}x gidNumber: 500 # ldapadd -x -D "cn=Manager,dc=ibm,dc=com" -W -f group.ldif |
×îºó£¬´Ó /etc/passwd ºÍ /etc/shadow ÖÐÇ¨ÒÆ ldapuser µÄÐÅÏ¢£º
Çåµ¥ 8. Ç¨ÒÆ ldapuser ÐÅÏ¢
# grep ldapuser /etc/passwd > passwd.in # ./migrate_passwd.pl passwd.in > passwd.ldif # cat passwd.ldif dn: uid=ldapuser,ou=People,dc=ibm,dc=com uid: ldapuser cn: ldapuser objectClass: account objectClass: posixAccount objectClass: top objectClass: shadowAccount userPassword: {crypt$1$TeOlOcMc$cpQaa0WpLSFRC1HIHW5bt1 shadowLastChange: 13048 shadowMax: 99999 shadowWarning: 7 loginShell: /bin/bash uidNumber: 500 gidNumber: 500 homeDirectory: /home/ldapuser gecos: ldapuser # ldapadd -x -D "cn=Manager,dc=ibm,dc=com" -W -f passwd.ldif |
ÏÖÔÚ¼ì²éÒѾÌí¼Óµ½Êý¾Ý¿âÖеÄÐÅÏ¢¡£Çåµ¥ 9 ¸ø³öÁËÈ«²¿Êä³ö½á¹û£º
Çåµ¥ 9. ÒÔ LDIF ¸ñʽÌî³äµÄ OpenLDAP Êý¾Ý¿â
# ldapsearch -x
# extended LDIF
#
# LDAPv3
# base <> with scope sub
# filter: (objectclass=*)
# requesting: ALL
#
# ibm.com
dn: dc=ibm,dc=com
dc: ibm
objectClass: top
objectClass: domain
# People, ibm.com
dn: ou=People,dc=ibm,dc=com
ou: People
objectClass: top
objectClass: organizationalUnit
# Group, ibm.com
dn: ou=Group,dc=ibm,dc=com
ou: Group
objectClass: top
objectClass: organizationalUnit
# ldapuser, Group, ibm.com
dn: cn=ldapuser,ou=Group,dc=ibm,dc=com
objectClass: posixGroup
objectClass: top
cn: ldapuser
gidNumber: 500
# ldapuser, People, ibm.com
dn: uid=ldapuser,ou=People,dc=ibm,dc=com
uid: ldapuser
cn: ldapuser
objectClass: account
objectClass: posixAccount
objectClass: top
objectClass: shadowAccount
shadowMax: 99999
shadowWarning: 7
loginShell: /bin/bash
uidNumber: 500
gidNumber: 500
homeDirectory: /home/ldapuser
gecos: test2
# search result
search: 2
result: 0 Success
# numResponses: 6
# numEntries: 5
|
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USELDAP=yes
USELDAPAUTH=yes
USEMD5=yes
USESHADOW=yes
USELOCAUTHORIZE=yes
PAM ºÍ NSS Ä£¿éʹÓõĻù±¾ÅäÖÃÎļþÊÇ /etc/ldap.conf¡£host Ñ¡ÏîÖ¸¶¨ LDAP ·þÎñÆ÷£¬base Ñ¡ÏîÖ¸¶¨Õâ¸öĿ¼ʹÓÃµÄ DN£¬×î³õÎÒÃÇÏ£Íû¹Ø±Õ¼ÓÃܹ¦ÄÜ£º
host dhcp64-233.ibm.com
base dc=ibm,dc=com
ssl off
ÒªÈà NSS ·þÎñʹÓà OpenLDAP ·þÎñÆ÷£¬ÐèÒª½« ¡°ldap¡± Ìí¼Óµ½ /etc/nsswitch.conf ÎļþµÄ passwd¡¢shadow ºÍ group ÐÐÖУ¬ÈçÏÂËùʾ£º
passwd: files ldap
shadow: files ldap
group: files ldap
ÒªÈà PAM Éí·ÝÑéÖ¤·þÎñʹÓà OpenLDAP ·þÎñÆ÷£¬Ç뽫 pam_ldap ÐмÓÈëµ½ /etc/pam.d/system-auth ÖУ¬Î»ÖÃÔÚ¶ÔÓ¦µÄ±ê×¼ pam_unix.so ÌõĿ֮ºó¡£¾¡¹ÜÆäËûÉèÖÃÒ²¿ÉÒÔʵÏÖÏàͬµÄ½á¹û£¬µ«ÊÇÎÒʹÓÃÏÂÃæµÄÎļþÉèÖãº
auth required /lib/security/$ISA/pam_env.so
auth sufficient /lib/security/$ISA/pam_unix.so likeauth nullok
auth sufficient /lib/security/$ISA/pam_ldap.so use_first_pass
auth required /lib/security/$ISA/pam_deny.so
account required /lib/security/$ISA/pam_unix.so broken_shadow
account sufficient /lib/security/$ISA/pam_localuser.so
account sufficient /lib/security/$ISA/pam_succeed_if.so uid %lt; 100 quiet
account [default=bad success=ok user_unknown=ignore] /lib/security/$ISA/pam_ldap.so
account required /lib/security/$ISA/pam_permit.so
password requisite /lib/security/$ISA/pam_cracklib.so retry=3
password sufficient /lib/security/$ISA/pam_unix.so nullok use_authtok md5 shadow
password sufficient /lib/security/$ISA/pam_ldap.so use_authtok
password required /lib/security/$ISA/pam_deny.so
session required /lib/security/$ISA/pam_limits.so
session required /lib/security/$ISA/pam_unix.so
session optional /lib/security/$ISA/pam_ldap.so
ÏÖÔÚ£¬Óû§ÕʺÅÐÅÏ¢¿ÉÒÔ´Ó¿Í»§»úϵͳÖÐɾ³ý²¢´Ó LDAP Ŀ¼ÖнøÐлñÈ¡ÁË¡£µ±Óû§ÊÔͼµÇ¼¿Í»§»úϵͳʱ£¬PAM Éí·ÝÑéÖ¤·þÎñ¾Í»á´ÓÓû§ÄÇÀï»ñÈ¡Óû§Ãû£¬ÔÚÎÒÃǵÄÀý×ÓÖÐÊÇ ldapuser¡£PAM »á´Ó LDAP ·þÎñÆ÷ÖмìË÷ʶ±ðÃû£¨DN£©ÌõÄ¿ .dn: uid=ldapuser, ou=People, dc=ibm, dc=com.¡£PAM È»ºó»á´ÓÓû§ÄÇÀï»ñÈ¡ÃÜÂ롣Ȼºó PAM ÊÔͼʹÓÃÕâ¸ö DN ºÍÃÜÂëÓë LDAP ·þÎñÆ÷½øÐа󶨡£DN ºÍÃÜÂë¶¼ÒÔÕýÎÄÎı¾µÄ¸ñʽ·¢Ë͸ø LDAP ·þÎñÆ÷¡£ÔÚ¶ÔÃÜÂë½øÐÐÉ¢ÁвÙ×÷Ö®ºó£¬Èç¹û·þÎñÆ÷¿ÉÒÔÈÃÓû§µÇ¼£¬¾Í»áÏò PAM ±¨¸æËµÒѾ³É¹¦½øÐÐÁ˰󶨡£³É¹¦°ó¶¨¿ÉÒÔÍêÈ«Âú×ã PAM ¶Ô pam_ldap Ä£¿é»ã±¨³É¹¦µÄ±ê×¼£¬Èç¹ûËùÓÐÆäËû PAM ±ê×¼¶¼ÒѾÂú×ãÁË£¬ÄÇô¾ÍÔÊÐíÓû§µÇ¼µ½ÏµÍ³ÖС£
µ± LDAP ·þÎñÆ÷¶ÔÉí·ÝÑéÖ¤½øÐд¦Àíʱ£¬ÐèÒª½â¾öÁíÍâÁ½¸öÎÊÌâ²ÅÄÜÂú×ãÌṩ¿É¿¿°²È«µÄÉí·ÝÑéÖ¤µÄÄ¿±ê¡£ÏÖÔÚ£¬Èκοͻ§»úϵͳ²»Äܳɹ¦µØÓë LDAP ·þÎñÆ÷½øÐÐͨÐŶ¼»á×èÖ¹Óû§µÇ¼¿Í»§»úϵͳ¡£ÔÚÏÂÒ»½ÚÖÐÎÒÃǽ«¿´µ½ÈçºÎÏû³ýÕâÖÖµ¥µã¹ÊÕÏ£¬Õ⽫ÏÔʾ¿Í»§»úÈçºÎ´Ó±¸·Ý·þÎñÆ÷ÉÏ·ÃÎÊ LDAP Ŀ¼¡£ÓÉÓÚÓû§ÃÜÂëÊÇÔÚÍøÂçÉÏÒÔÕýÎÄÎı¾¸ñʽ´«ÊäµÄ£¬Òò´ËÕâ²¢²»ÄÜÂú×㰲ȫÉí·ÝÑéÖ¤µÄÐèÇó¡£ÅäÖà TLS °²È«ÐÔ ½«½â¾öÕâ¸öÎÊÌâ¡£
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# service ldap stop
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#Replicas of this database
replogfile /var/lib/ldap/replog
replica host=dhcp64-253.ibm.com:389
binddn="cn=Manager,dc=ibm,dc=com"
credentials=secret
bindmethod=simple
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# ldapsearch -x > database.ldif
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# ldapadd -x -D "cn=Manager,dc=ibm,dc=com" -W -f database.ldif
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updatedn "cn=Manager,dc=ibm,dc=com"
updateref ldap://dhcp64-233.ibm.com:389/
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ÏÖÔÚ£¬¿ÉÒÔÈà OpenLDAP ¿Í»§»ú³ýÁËÖ÷·þÎñÆ÷Ö®Í⻹¿ÉÒÔʹÓø´ÖÆ·þÎñÆ÷£¬Õâ¿ÉÒÔͨ¹ýÔËÐÐ authconfig ²¢½«¸´ÖÆÖ÷»úÃûÌí¼Óµ½µÚ¶þ¸öÆÁÄ»ÖÐµÄ Server ÐÐÖÐʵÏÖ£¬Ò²¿ÉÒÔͨ¹ýÔÚ /etc/ldap.conf ÖÐÐÞ¸Ä host ʵÏÖ£º
host dhcp64-253.ibm.com dhcp64-233.ibm.com
ΪÁËÈ·Èϸ´ÖÆ¿ÉÒÔÕý³£¹¤×÷£¬ÐèÒªÑо¿Ò»ÏÂÔÚ¸üРgecos ÊôÐÔʱµ½µ×·¢ÉúÁËʲô¡£¸´ÖÆÈÕ־ʹÓÃÁËÓë LDIF ÀàËÆµÄ¸ñʽ¡£ÔÚ¶ÁÈ¡ replogfile Ö®ºó£¬slurpd »á½«Õâ¸öÌõÄ¿¿½±´µ½×Ô¼ºµÄÖØ×öÈÕÖ¾ÖС£Êµ¼ÊµÄ±ä»¯¶¼ÒÔ LDIF ¸ñʽ±£´æÔÚÖ÷ LDAP ·þÎñÆ÷ÉÏ /var/lib/ldap/replica/ ÖÐµÄ slurpd.replog ÎļþÖС£
ʹÓÃÎļþ user_mod Öеı仯£¬¿Í»§»ú³ÌÐò ldapmodify Ó¦ÓÃÕâЩ±ä»¯£º
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# cat user_mod dn: uid=ldapuser,ou=People,dc=ibm,dc=com changetype: modify replace: gecos gecos: test2 # tail -f /var/lib/ldap/replog & # ldapmodify -x -r -f /home/ldapuser/user_mod -D'cn=Manager,dc=ibm,dc=com' -W Enter LDAP Password: modifying entry "uid=ldapuser,ou=People,dc=ibm,dc=com" replica: dhcp64-253.ibm.com:389 time: 1130111686 dn: uid=ldapuser,ou=People,dc=ibm,dc=com changetype: modify replace: gecos gecos: test2 - replace: entryCSN entryCSN: 20051023235446Z#000001#00#000000 - replace: modifiersName modifiersName: cn=Manager,dc=ibm,dc=com - replace: modifyTimestamp modifyTimestamp: 20051023235446Z - |
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Çåµ¥ 14. ÔËÐÐ CA shell ½Å±¾
# cd /usr/share/ssl/misc # ./CA -newca CA certificate filename (or enter to create) Making CA certificate ... Generating a 1024 bit RSA private key .........++++++ ......++++++ writing new private key to './demoCA/private/./cakey.pem' Enter PEM pass phrase: Verifying - Enter PEM pass phrase: Enter PEM pass phrase: Verifying - Enter PEM pass phrase: ----- You are about to be asked to enter information that will be incorporated into your certificate request. What you are about to enter is what is called a Distinguished Name or a DN. There are quite a few fields but you can leave some blank For some fields there will be a default value, If you enter '.', the field will be left blank. ----- Country Name (2 letter code) [GB]:US State or Province Name (full name) [Berkshire]:Oregon Locality Name (eg, city) [Newbury]:Beaverton Organization Name (eg, company) [My Company Ltd]:IBM Organizational Unit Name (eg, section) []:its Common Name (eg, your name or your server's hostname) []:dhcp64-233.ibm.com Email Address []:root@dhcp64-233.ibm.com |
½ÓÏÂÀ´£¬ÒªÉú³ÉÓÉÖ¤Êé»ú¹¹½øÐÐÇ©ÊðµÄ·þÎñÆ÷Ö¤Êé¡£ÆäÓàµÄ²½ÖèÖ»»á¶ÔÖ÷ LDAP ·þÎñÆ÷Ö´ÐÐÒ»´Î£¬´Ëʱָ¶¨µÄÊÇ CN=dhcp64-233.ibm.com£»È»ºó¶Ô´Ó·þÎñÆ÷Ö´ÐÐÒ»´Î£¬´Ëʱָ¶¨µÄÊÇ CN=dhcp64-253.ibm.com¡£»¹ÒªÊ¹Óà nodes Ñ¡ÏÕâÑù¾Í²»ÓÃÔÚÿ´ÎÆô¶¯ OpenLDAP ·þÎñÆ÷ÊØ»¤½ø³Ì slapd ʱ¶¼ÐèÒªÊäÈëÃÜÂëÁË¡£Ç©ÊðºóµÄ¹«Ô¿±»Ç¶Èëµ½Ö¤ÊéÇëÇó slapd-req.pem ÖУ¬Óë֮ƥÅäµÄ˽ԿǶÈëÔÚ slapd-key.pem ÖУº
Çåµ¥ 15. Éú³É·þÎñÆ÷Ö¤Êé
# openssl req -new -nodes -subj
'/CN=dhcp64-233.ibm.com/O=IBM/C=US/ST=Oregon/L=Beaverton'
-keyout slapd-key.pem -out slapd-req.pem -days 365
Generating a 1024 bit RSA private key
...............++++++
.....................................++++++
writing new private key to 'slapd-key.pem'
-----
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Çåµ¥ 16. ¶ÔÖ¤Êé½øÐÐÇ©Êð
# openssl ca -out slapd-cert.pem -infiles slapd-req.pem Using configuration from /usr/share/ssl/openssl.cnf Enter pass phrase for ./demoCA/private/cakey.pem: Check that the request matches the signature Signature ok Certificate Details: Serial Number: 1 (0x1) Validity Not Before: Oct 25 02:50:05 2005 GMT Not After : Oct 25 02:50:05 2006 GMT Subject: countryName = US stateOrProvinceName = Oregon organizationName = IBM commonName = dhcp64-233.ibm.com X509v3 extensions: X509v3 Basic Constraints: CA:FALSE Netscape Comment: OpenSSL Generated Certificate X509v3 Subject Key Identifier: 11:A2:FB:59:42:A4:B3:26:73:1D:6D:F5:4D:2F:80:F0:FA:10:38:F5 X509v3 Authority Key Identifier: keyid:F7:6A:25:F5:76:BE:20:E7:8D:0F:51:EF:D8:86:7B:AF:2C:74:2F:80 DirName:/C=US/ST=Oregon/L=Beaverton/O=IBM/OU=its/CN=dhcp64-233.ibm.com /emailAddress=root@dhcp64-233.ibm.com serial:00 Certificate is to be certified until Oct 25 02:50:05 2006 GMT (365 days) Sign the certificate? [y/n]:y 1 out of 1 certificate requests certified, commit? [y/n]y Write out database with 1 new entries Data Base Updated |
ÏÂÒ»¸ö²½Ö轫ËùÓÐÐèÒªµÄÖ¤Ê鿽±´µ½ slapd ¿ÉÒÔÕÒµ½µÄµØ·½¡£ÁíÍ⣬»¹Òª¶Ôÿ¸öÎļþÇ¿ÖÆ²ÉÓÃÕýÈ·µÄȨÏÞ£º
Çåµ¥ 17. ¿½±´Ö¤Êé²¢Ç¿ÖÆÉèÖÃȨÏÞ
# cp -p slapd-key.pem /etc/openldap/slapdkey.pem
# cp -p slapd-cert.pem /etc/openldap/slapdcert.pem
# chown ldap:ldap /etc/openldap/slapdcert.pem
# chmod 644 /etc/openldap/slapdcert.pem
# chown ldap:ldap /etc/openldap/slapdkey.pem
# chmod 400 /etc/openldap/slapdkey.pem
# mkdir /etc/openldap/cacerts/
# cp /usr/share/ssl/misc/demoCA/cacert.pem /etc/openldap/cacerts/cacert.pem
# chown ldap:ldap /etc/openldap/cacerts cacert.pem
# chmod 644 /etc/openldap/cacerts cacert.pem
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ÔÚ OpenLDAP ·þÎñÆ÷ÉÏ£¬½«ÒÔÏÂÄÚÈÝÌí¼Óµ½ /etc/openldap/slapd.conf ÎļþµÄ global ¶ÎÏÂÃæ¡£TLSCertificateFile ºÍ TLSCertificateKeyFile Ö¸¶¨ÁËÖ¤ÊéÎļþºÍ˽ԿÎļþµÄ·¾¶¡£TLSCipherSuite Ö¸¶¨ÁËÒ»¸ö OpenSSL ÃÜÂëµÄÁÐ±í£¬slapd ÔÚÓë TLS ÐÉ̽¨Á¢Á¬½Óʱ¿ÉÒÔ´ÓÖа´ÕÕ½µÐò˳ÐòÒÀ´ÎÑ¡Ôñ¡£HIGH µÄÒâ˼ÊÇ ¡°ËùÓÐÃÜÔ¿µÄ³¤¶È¶¼´óÓÚ 128 λ¡±£»MEDIUM ±íʾ ¡°ËùÓÐÃÜÔ¿µÄ³¤¶È¶¼µÈÓÚ 128 λ¡±£»+SSLv2 ±íʾ ¡°²»¹ÜÃÜÔ¿Ç¿¶ÈÈçºÎ£¬ËùÓÐÃÜÂë¶¼ÊÇÒÔ SSL ÐÒé°æ±¾ 2 µÄÐÎʽָ¶¨µÄ¡±¡£
TLSCipherSuite HIGH:MEDIUM:+SSLv2
TLSCACertificateFile /etc/openldap/cacerts/cacert.pem
TLSCertificateFile /etc/openldap/slapdcert.pem
TLSCertificateKeyFile /etc/openldap/slapdkey.pem
½«ÒÔÏÂÄÚÈÝÌí¼Óµ½ LDAP ·þÎñÆ÷µÄµÚ¶þ¸öÅäÖÃÎļþ /etc/openldap/ldap.conf ÖУº
TLS_CACERTDIR /etc/openldap/cacerts
TLS_REQCERT allow
ΪÁËÔÊÐí´Ó OpenLDAP ¿Í»§»úÉÏʹÓð²È«Á¬½Ó£¬ÐèÒª½«ÒÔÏÂÄÚÈÝÌí¼Óµ½ /etc/openldap/ldap.conf ÎļþÖУº
ssl start_tls
tls_checkpeer yes
tls_cacertfile /etc/openldap/cacerts/cacert.pem
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°´ÕÕ±¾Îĸø³öµÄÌáʾ£¬ÎÒÃÇÏÖÔÚÒѾʹÓÃÇáÁ¿¼¶Ä¿Â¼·ÃÎÊÐÒ飨LDAP£©¹¹½¨ÁËÒ»¸ö¼¯ÖеÄÉí·ÝÑé֤ϵͳ¡£ÎÒÃÇ×î³õÊÇͨ¹ýÅäÖà LDAP ·þÎñÆ÷À´ÏìÓ¦¶Ô ¡°dc=ibm,dc=com¡± µÄ»ù±¾ÇëÇó¿ªÊ¼ÈëÊֵġ£ÎÒÃÇʹÓÃÁËÒ»×é Perl ½Å±¾À´½«Óû§ÕʺÅÐÅÏ¢Ç¨ÒÆµ½ LDAP Ŀ¼ÖС£ÎÒÃÇ¶Ô Linux Óû§ÕʺŷþÎñ¡¢PAM ºÍ NSS ·þÎñ½øÐÐÁËÐ޸쬴Ӷø¿ÉÒÔ´Ó LDAP ·þÎñÆ÷ÖмìË÷Óû§ÐÅÏ¢¡£»¹ÉèÖÃÁËÒ»¸ö LDAP ·þÎñÆ÷¸±±¾×÷Ϊ±¸Ó÷þÎñÆ÷À´ÏìÓ¦¿Í»§»úµÄÇëÇó¡£È»ºó£¬Ê¹Óà TLS ÐÒéÔÚ LDAP ¿Í»§»úºÍ·þÎñÆ÷Ö®¼ä¶ÔͨÐŽøÐа²È«¼ÓÃÜ¡£¹§Ï²£¡
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Çåµ¥ 18. ±¾ÎÄÀý×ÓÖÐʹÓõķþÎñÆ÷ /etc/openldap/slapd.conf Îļþ
#
# See slapd.conf (5) for details on configuration options.
#
include /etc/openldap/schema/core.schema
include /etc/openldap/schema/cosine.schema
include /etc/openldap/schema/inetorgperson.schema
include /etc/openldap/schema/nis.schema
loglevel 256
pidfile /var/run/slapd.pid
argsfile /var/run/slapd.args
# The next three lines allow use of TLS for encrypting connections.
TLSCipherSuite HIGH:MEDIUM:+SSLv2
TLSCACertificateFile /etc/openldap/cacerts/cacert.pem
TLSCertificateFile /etc/openldap/slapdcert.pem
TLSCertificateKeyFile /etc/openldap/slapdkey.pem
# access control policy:
# Restrict password access to change by owner and authentication.
# Allow read access by everyone to all other attributes.
access to attrs=shadowLastChange,userPassword
by self write
by * auth
access to *
by * read
#######################################################################
# database definition
#######################################################################
database bdb
suffix "dc=ibm,dc=com"
rootdn "cn=Manager,dc=ibm,dc=com"
rootpw {MD5}ijFYNcSNctBYg
directory /var/lib/ldap
# Indices to maintain for this database
index objectClass eq,pres
index ou,cn,mail,surname,givenname eq,pres,sub
index uidNumber,gidNumber,loginShell eq,pres
index uid,memberUid eq,pres,sub
index nisMapName,nisMapEntry eq,pres,sub
#Replicas of this database
replica host=dhcp64-253.ibm.com:389
binddn="cn=Manager,dc=ibm,dc=com"
credentials=secret
bindmethod=simple
replogfile /var/lib/ldap/replog
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Çåµ¥ 19. ±¾ÎÄÀý×ÓÖÐʹÓõķþÎñÆ÷ /etc/openldap/ldap.conf Îļþ
# # LDAP Defaults # # See ldap.conf(5) for details HOST 127.0.0.1 BASE dc=ibm,dc=com TLS_CACERTDIR /etc/openldap/cacerts TLS_REQCERT allow |
Çåµ¥ 20. ±¾ÎÄÀý×ÓÖÐʹÓõĿͻ§»ú /etc/ldap.conf Îļþ
a # @(#)$Id: ldap.conf,v 1.34 2004/09/16 23:32:02 lukeh Exp $ # # This is the configuration file for the LDAP nameservice # switch library and the LDAP PAM module. # # PADL Software # http://www.padl.com # # Your LDAP server. # Multiple hosts may be specified, each separated by a # space. host dhcp64-233.ibm.com dhcp64-233.ibm.com # The distinguished name of the search base. base dc=ibm,dc=com # OpenLDAP SSL mechanism, start_tls mechanism uses the normal LDAP port 389 ssl start_tls #Require and verify server certificate tls_checkpeer yes # CA certificates for server certificate verification tls_cacertfile /etc/openldap/cacerts/cacert.pem pam_password md5 |
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