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- Better access control, make sure not even admins can read out passwords

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- Insure admins can't locked out by mistake by inclusion in disabled groups
- Fix also minor error in krbinstance.py
This commit is contained in:
Simo Sorce 2007-12-11 21:56:36 -05:00
parent c9160e0233
commit d76886ff4f
3 changed files with 20 additions and 13 deletions
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2
ipa-server/ipa-install/share/bootstrap-template.ldif
View File

@ -80,6 +80,7 @@ gidNumber: 1001
homeDirectory: /home/admin
loginShell: /bin/bash
gecos: Administrator
nsAccountLock: False
dn: cn=radius,$SUFFIX
changetype: add
@ -114,6 +115,7 @@ cn: admins
description: Account administrators group
gidNumber: 1001
member: uid=admin,cn=sysaccounts,cn=etc,$SUFFIX
nsAccountLock: False
dn: cn=ipausers,cn=groups,cn=accounts,$SUFFIX
changetype: add

23
ipa-server/ipa-install/share/default-aci.ldif
View File

@ -1,18 +1,18 @@
# $SUFFIX (base entry)
# FIXME: We need to allow truly anonymous access only to NIS data for older clients. We need to allow broad access to most attributes only to authewnticated users
# FIXME: We need to allow truly anonymous access only to NIS data for older clients. We need to allow broad access to most attributes only to authenticated users
dn: $SUFFIX
changetype: modify
replace: aci
aci: (targetattr != "userPassword || krbPrincipalKey || krbMKey || sambaLMPassword || sambaNTPassword")(version 3.0; acl "Enable anonymous access"; allow (read, search, compare) userdn = "ldap:///anyone";)
aci: (targetattr != "userPassword || krbPrincipalKey || krbMKey || sambaLMPassword || sambaNTPassword")(version 3.0; acl "Admin can manage any entry except for passwords"; allow (all) userdn = "ldap:///uid=admin,cn=sysaccounts,cn=etc,$SUFFIX";)
aci: (targetattr = "userPassword || krbPrincipalKey || sambaLMPassword || sambaNTPassword")(version 3.0; acl "Admin can write passwords"; allow (write) userdn="ldap:///uid=admin,cn=sysaccounts,cn=etc,$SUFFIX";)
aci: (targetattr = "krbPrincipalName || krbUPEnabled || krbPrincipalKey || krbMKey || krbTicketPolicyReference || krbPrincipalExpiration || krbPasswordExpiration || krbPwdPolicyReference || krbPrincipalType || krbPwdHistory || krbLastPwdChange || krbPrincipalAliases || krbExtraData")(version 3.0; acl "KDC System Account has access to kerberos material"; allow (read, search, compare) userdn="ldap:///uid=kdc,cn=sysaccounts,cn=etc,$SUFFIX";)
aci: (targetattr = "krbLastSuccessfulAuth || krbLastFailedAuth || krbLoginFailedCount")(version 3.0; acl "KDC System Account can update some fields"; allow (read, search, compare, write) userdn="ldap:///uid=kdc,cn=sysaccounts,cn=etc,$SUFFIX";)
aci: (targetattr = "userPassword || krbPrincipalKey ||sambaLMPassword || sambaNTPassword || krbPasswordExpiration || krbPwdHistory || krbLastPwdChange")(version 3.0; acl "Kpasswd access to passowrd hashes for passowrd changes"; allow (read, write) userdn = "ldap:///krbprincipalname=kadmin/changepw@$REALM,cn=$REALM,cn=kerberos,$SUFFIX";)
aci: (targetfilter = "(|(objectClass=person)(objectClass=krbPrincipalAux)(objectClass=posixAccount)(objectClass=groupOfNames)(objectClass=posixGroup)(objectClass=radiusprofile))")(targetattr != "aci")(version 3.0; acl "Account Admins can manage Users and Groups"; allow (add, delete, read, write) groupdn = "ldap:///cn=admins,cn=groups,cn=accounts,$SUFFIX";)
aci: (targetattr != "userPassword || krbPrincipalKey || sambaLMPassword || sambaNTPassword || passwordHistory || krbMkey")(version 3.0; acl "Enable Anonymous access"; allow (read, search, compare) userdn = "ldap:///anyone";)
aci: (targetattr != "userPassword || krbPrincipalKey || sambaLMPassword || sambaNTPassword || passwordHistory || krbMkey")(version 3.0; acl "Admin can manage any entry"; allow (all) userdn = "ldap:///uid=admin,cn=sysaccounts,cn=etc,$SUFFIX";)
aci: (targetattr = "userPassword || krbPrincipalKey || sambaLMPassword || sambaNTPassword || passwordHistory")(version 3.0; acl "Admins can write passwords"; allow (write) groupdn="ldap:///cn=admins,cn=groups,cn=accounts,$SUFFIX";)
aci: (targetattr = "userPassword || krbPrincipalKey || sambaLMPassword || sambaNTPassword || passwordHistory")(version 3.0; acl "Password change service can read/write passwords"; allow (read, write) userdn="ldap:///krbprincipalname=kadmin/changepw@$REALM,cn=$REALM,cn=kerberos,$SUFFIX";)
aci: (targetattr = "userPassword || krbPrincipalKey || sambaLMPassword || sambaNTPassword || passwordHistory")(version 3.0; acl "KDC System Account can access passwords"; allow (all) userdn="ldap:///uid=kdc,cn=sysaccounts,cn=etc,$SUFFIX";)
aci: (targetattr = "krbLastSuccessfulAuth || krbLastFailedAuth || krbLoginFailedCount")(version 3.0; acl "KDC System Account can update some fields"; allow (write) userdn="ldap:///uid=kdc,cn=sysaccounts,cn=etc,$SUFFIX";)
aci: (targetattr = "krbPrincipalName || krbUPEnabled || krbMKey || krbTicketPolicyReference || krbPrincipalExpiration || krbPasswordExpiration || krbPwdPolicyReference || krbPrincipalType || krbPwdHistory || krbLastPwdChange || krbPrincipalAliases || krbExtraData || krbLastSuccessfulAuth || krbLastFailedAuth || krbLoginFailedCount")(version 3.0; acl "Only the KDC System Account has access to kerberos material"; allow (read, search, compare) userdn="ldap:///uid=kdc,cn=sysaccounts,cn=etc,$SUFFIX";)
aci: (targetfilter = "(|(objectClass=person)(objectClass=krbPrincipalAux)(objectClass=posixAccount)(objectClass=groupOfNames)(objectClass=posixGroup)(objectClass=radiusprofile))")(targetattr != "aci || userPassword || krbPrincipalKey || sambaLMPassword || sambaNTPassword || passwordHistory")(version 3.0; acl "Account Admins can manage Users and Groups"; allow (add, delete, read, write) groupdn = "ldap:///cn=admins,cn=groups,cn=accounts,$SUFFIX";)
aci: (targetfilter = "(objectClass=krbPwdPolicy)")(targetattr = "krbMaxPwdLife || krbMinPwdLife || krbPwdMinDiffChars || krbPwdMinLength || krbPwdHistoryLength")(version 3.0;acl "Admins can write password policies"; allow (read, search, compare, write) groupdn = "ldap:///cn=admins,cn=groups,cn=accounts,$SUFFIX";)
aci: (targetattr = "givenName || sn || cn || displayName || initials || loginShell || homePhone || mobile || pager || facsimileTelephoneNumber || telephoneNumber || street || roomNumber || l || st || postalCode || manager || description || carLicense || labeledURI || inetUserHTTPURL || seeAlso")(version 3.0;acl "Self service";allow (write) userdn = "ldap:///self";)
aci: (target="ldap:///cn=radius,$SUFFIX")(version 3.0; acl "Only radius and admin can access radius service data"; deny (all) userdn!="ldap:///uid=admin,cn=sysaccounts,cn=etc,$SUFFIX || ldap:///krbprincipalname=radius/$FQDN@$REALM,cn=$REALM,cn=kerberos,$SUFFIX";)
dn: cn=ipaConfig,cn=etc,$SUFFIX
changetype: modify
@ -25,6 +25,11 @@ add: aci
aci: (targetattr = "krbMaxPwdLife || krbMinPwdLife || krbPwdMinDiffChars || krbPwdMinLength || krbPwdHistoryLength")(version 3.0;acl "Admins can write password policy"; allow (write) groupdn="ldap:///cn=admins,cn=groups,cn=accounts,$SUFFIX";)
aci: (targetattr = "aci")(version 3.0;acl "Admins can manage delegations"; allow (write, delete) groupdn="ldap:///cn=admins,cn=groups,cn=accounts,$SUFFIX";)
dn: cn=radius,$SUFFIX
changetype: modify
add: aci
aci: (targetattr = "*")(version 3.0; acl "Only radius and admin can access radius service data"; deny (all) userdn!="ldap:///uid=admin,cn=sysaccounts,cn=etc,$SUFFIX || ldap:///krbprincipalname=radius/$FQDN@$REALM,cn=$REALM,cn=kerberos,$SUFFIX";)
dn: cn=services,cn=accounts,$SUFFIX
changetype: modify
add: aci

8
ipa-server/ipaserver/krbinstance.py
View File

@ -245,7 +245,7 @@ class KrbInstance(service.Service):
kerberos_fd = write_tmp_file(kerberos_txt)
try:
ldap_mod(kerberos_fd, "cn=Directory Manager", self.admin_password)
except ipautil.CalledProcessError, e:
except CalledProcessError, e:
logging.critical("Failed to load kerberos.ldif: %s" % str(e))
kerberos_fd.close()
@ -254,7 +254,7 @@ class KrbInstance(service.Service):
aci_fd = write_tmp_file(aci_txt)
try:
ldap_mod(aci_fd, "cn=Directory Manager", self.admin_password)
except ipautil.CalledProcessError, e:
except CalledProcessError, e:
logging.critical("Failed to load default-aci.ldif: %s" % str(e))
aci_fd.close()
@ -291,7 +291,7 @@ class KrbInstance(service.Service):
args = ["/usr/kerberos/sbin/kdb5_ldap_util", "-D", "uid=kdc,cn=sysaccounts,cn=etc,"+self.suffix, "-w", self.kdc_password, "create", "-s", "-P", self.master_password, "-r", self.realm, "-subtrees", self.suffix, "-sscope", "sub"]
try:
run(args)
except ipautil.CalledProcessError, e:
except CalledProcessError, e:
print "Failed to populate the realm structure in kerberos", e
def __write_stash_from_ds(self):
@ -322,7 +322,7 @@ class KrbInstance(service.Service):
extop_fd = write_tmp_file(extop_txt)
try:
ldap_mod(extop_fd, "cn=Directory Manager", self.admin_password)
except ipautil.CalledProcessError, e:
except CalledProcessError, e:
logging.critical("Failed to load pwd-extop-conf.ldif: %s" % str(e))
extop_fd.close()