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Add SELinux user mapping framework.

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This will allow one to define what SELinux context a given user gets
on a given machine. A rule can contain a set of users and hosts or it
can point to an existing HBAC rule that defines them.

https://fedorahosted.org/freeipa/ticket/755
This commit is contained in:
Rob Crittenden
2011-11-23 16:59:21 -05:00
committed by Alexander Bokovoy
parent a1c9e3618c
commit 55512dc938
14 changed files with 1309 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
install/share/60basev3.ldif
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@@ -26,6 +26,7 @@ attributeTypes: ( 2.16.840.1.113730.3.8.11.19 NAME 'ipaNTSupportedEncryptionType
attributeTypes: ( 2.16.840.1.113730.3.8.11.20 NAME 'memberPrincipal' DESC 'Principal names member of a groupOfPrincipals group' EQUALITY caseIgnoreMatch SUBSTR caseIgnoreSubstringsMatch SYNTAX 1.3.6.1.4.1.1466.115.121.1.15 X-ORIGIN 'IPA-v3')
attributeTypes: ( 2.16.840.1.113730.3.8.11.21 NAME 'ipaAllowToImpersonate' DESC 'Principals that can be impersonated' SUP distinguishedName X-ORIGIN 'IPA-v3')
attributeTypes: ( 2.16.840.1.113730.3.8.11.22 NAME 'ipaAllowedTarget' DESC 'Target principals alowed to get a ticket for' SUP distinguishedName X-ORIGIN 'IPA-v3')
attributeTypes: (2.16.840.1.113730.3.8.11.30 NAME 'ipaSELinuxUser' DESC 'An SELinux user' EQUALITY caseIgnoreMatch ORDERING caseIgnoreOrderingMatch SUBSTR caseIgnoreSubstringsMatch SYNTAX 1.3.6.1.4.1.1466.115.121.1.15 SINGLE-VALUE X-ORIGIN 'IPA v3')
objectClasses: (2.16.840.1.113730.3.8.12.1 NAME 'ipaExternalGroup' SUP top STRUCTURAL MUST ( cn ) MAY ( ipaExternalMember $ memberOf $ description $ owner) X-ORIGIN 'IPA v3' )
objectClasses: (2.16.840.1.113730.3.8.12.2 NAME 'ipaNTUserAttrs' SUP top AUXILIARY MUST ( ipaNTSecurityIdentifier ) MAY ( ipaNTHash $ ipaNTLogonScript $ ipaNTProfilePath $ ipaNTHomeDirectory $ ipaNTHomeDirectoryDrive ) X-ORIGIN 'IPA v3' )
objectClasses: (2.16.840.1.113730.3.8.12.3 NAME 'ipaNTGroupAttrs' SUP top AUXILIARY MUST ( ipaNTSecurityIdentifier ) X-ORIGIN 'IPA v3' )
@@ -33,3 +34,4 @@ objectClasses: (2.16.840.1.113730.3.8.12.4 NAME 'ipaNTDomainAttrs' SUP top AUXIL
objectClasses: (2.16.840.1.113730.3.8.12.5 NAME 'ipaNTTrustedDomain' SUP top STRUCTURAL DESC 'Trusted Domain Object' MUST ( cn ) MAY ( ipaNTTrustType $ ipaNTTrustAttributes $ ipaNTTrustDirection $ ipaNTTrustPartner $ ipaNTFlatName $ ipaNTTrustAuthOutgoing $ ipaNTTrustAuthIncoming $ ipaNTSecurityIdentifier $ ipaNTTrustForestTrustInfo $ ipaNTTrustPosixOffset $ ipaNTSupportedEncryptionTypes) )
objectClasses: (2.16.840.1.113730.3.8.12.6 NAME 'groupOfPrincipals' SUP top AUXILIARY MUST ( cn ) MAY ( memberPrincipal ) X-ORIGIN 'IPA v3' )
objectClasses: (2.16.840.1.113730.3.8.12.7 NAME 'ipaKrb5DelegationACL' SUP groupOfPrincipals STRUCTURAL MAY ( ipaAllowToImpersonate $ ipaAllowedTarget ) X-ORIGIN 'IPA v3' )
objectClasses: (2.16.840.1.113730.3.8.12.10 NAME 'ipaSELinuxUserMap' SUP ipaAssociation STRUCTURAL MUST ipaSELinuxUser MAY ( accessTime $ seeAlso ) X-ORIGIN 'IPA v3')

4
install/share/60ipaconfig.ldif
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@@ -41,11 +41,13 @@ attributeTypes: ( 2.16.840.1.113730.3.8.3.22 NAME 'ipaMigrationEnabled' DESC 'En
attributetypes: ( 2.16.840.1.113730.3.8.3.23 NAME 'ipaCertificateSubjectBase' SYNTAX 1.3.6.1.4.1.1466.115.121.1.15)
## ipaConfigString - can hold any string to be used as configuration for something (it is multivalued)
attributeTypes: (2.16.840.1.113730.3.8.3.16 NAME 'ipaConfigString' DESC 'Generic configuration stirng' EQUALITY caseIgnoreMatch ORDERING caseIgnoreMatch SUBSTR caseIgnoreSubstringsMatch SYNTAX 1.3.6.1.4.1.1466.115.121.1.15 X-ORIGIN 'IPA v2' )
attributeTypes: ( 2.16.840.1.113730.3.8.3.26 NAME 'ipaSELinuxUserMapDefault' DESC 'Default SELinux user' EQUALITY caseIgnoreMatch ORDERING caseIgnoreMatch SUBSTR caseIgnoreSubstringsMatch SYNTAX 1.3.6.1.4.1.1466.115.121.1.15 SINGLE-VALUE X-ORIGIN 'IPA v3')
attributeTypes: ( 2.16.840.1.113730.3.8.3.27 NAME 'ipaSELinuxUserMapOrder' DESC 'Available SELinux user context ordering' EQUALITY caseIgnoreMatch ORDERING caseIgnoreMatch SUBSTR caseIgnoreSubstringsMatch SYNTAX 1.3.6.1.4.1.1466.115.121.1.15 SINGLE-VALUE X-ORIGIN 'IPA v3')
###############################################
##
## ObjectClasses
##
## ipaGuiConfig - GUI config parameters objectclass
objectClasses: ( 2.16.840.1.113730.3.8.2.1 NAME 'ipaGuiConfig' AUXILIARY MAY ( ipaUserSearchFields $ ipaGroupSearchFields $ ipaSearchTimeLimit $ ipaSearchRecordsLimit $ ipaCustomFields $ ipaHomesRootDir $ ipaDefaultLoginShell $ ipaDefaultPrimaryGroup $ ipaMaxUsernameLength $ ipaPwdExpAdvNotify $ ipaUserObjectClasses $ ipaGroupObjectClasses $ ipaDefaultEmailDomain $ ipaMigrationEnabled $ ipaCertificateSubjectBase) )
objectClasses: ( 2.16.840.1.113730.3.8.2.1 NAME 'ipaGuiConfig' AUXILIARY MAY ( ipaUserSearchFields $ ipaGroupSearchFields $ ipaSearchTimeLimit $ ipaSearchRecordsLimit $ ipaCustomFields $ ipaHomesRootDir $ ipaDefaultLoginShell $ ipaDefaultPrimaryGroup $ ipaMaxUsernameLength $ ipaPwdExpAdvNotify $ ipaUserObjectClasses $ ipaGroupObjectClasses $ ipaDefaultEmailDomain $ ipaMigrationEnabled $ ipaCertificateSubjectBase $ ipaSELinuxUserMapDefault $ ipaSELinuxUserMapOrder) )
## ipaConfigObject - Generic config strings object holder
objectClasses: (2.16.840.1.113730.3.8.4.13 NAME 'ipaConfigObject' DESC 'generic config object for IPA' AUXILIARY MAY ( ipaConfigString ) X-ORIGIN 'IPA v2' )

15
install/share/bootstrap-template.ldif
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@@ -346,6 +346,8 @@ ipaUserObjectClasses: ipaobject
ipaDefaultEmailDomain: $DOMAIN
ipaMigrationEnabled: FALSE
ipaConfigString: AllowNThash
ipaSELinuxUserMapOrder: guest_u:s0$$xguest_u:s0$$user_u:s0-s0:c0.c1023$$staff_u:s0-s0:c0.c1023$$unconfined_u:s0-s0:c0.c1023
ipaSELinuxUserMapDefault: guest_u:s0
dn: cn=cosTemplates,cn=accounts,$SUFFIX
changetype: add
@@ -364,3 +366,16 @@ objectClass: cosClassicDefinition
cosTemplateDn: cn=cosTemplates,cn=accounts,$SUFFIX
cosAttribute: krbPwdPolicyReference override
cosSpecifier: memberOf
dn: cn=selinux,$SUFFIX
changetype: add
objectClass: top
objectClass: nsContainer
cn: selinux
dn: cn=usermap,cn=selinux,$SUFFIX
changetype: add
objectClass: top
objectClass: nsContainer
cn: usermap

38
install/updates/40-delegation.update
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@@ -267,3 +267,41 @@ dn: $SUFFIX
replace:aci:'(target = "ldap:///idnsname=*,cn=dns,$SUFFIX")(version 3.0;acl "Add DNS entries";allow (add) groupdn = "ldap:///cn=add dns entries,cn=permissions,cn=pbac,$SUFFIX";)::(target = "ldap:///idnsname=*,cn=dns,$SUFFIX")(version 3.0;acl "permission:add dns entries";allow (add) groupdn = "ldap:///cn=add dns entries,cn=permissions,cn=pbac,$SUFFIX";)'
replace:aci:'(target = "ldap:///idnsname=*,cn=dns,$SUFFIX")(version 3.0;acl "Remove DNS entries";allow (delete) groupdn = "ldap:///cn=remove dns entries,cn=permissions,cn=pbac,$SUFFIX";)::(target = "ldap:///idnsname=*,cn=dns,$SUFFIX")(version 3.0;acl "permission:remove dns entries";allow (delete) groupdn = "ldap:///cn=remove dns entries,cn=permissions,cn=pbac,$SUFFIX";)'
replace:aci:'(targetattr = "idnsname || cn || idnsallowdynupdate || dnsttl || dnsclass || arecord || aaaarecord || a6record || nsrecord || cnamerecord || ptrrecord || srvrecord || txtrecord || mxrecord || mdrecord || hinforecord || minforecord || afsdbrecord || sigrecord || keyrecord || locrecord || nxtrecord || naptrrecord || kxrecord || certrecord || dnamerecord || dsrecord || sshfprecord || rrsigrecord || nsecrecord || idnsname || idnszoneactive || idnssoamname || idnssoarname || idnssoaserial || idnssoarefresh || idnssoaretry || idnssoaexpire || idnssoaminimum || idnsupdatepolicy")(target = "ldap:///idnsname=*,cn=dns,$SUFFIX")(version 3.0;acl "Update DNS entries";allow (write) groupdn = "ldap:///cn=update dns entries,cn=permissions,cn=pbac,$SUFFIX";)::(targetattr = "idnsname || cn || idnsallowdynupdate || dnsttl || dnsclass || arecord || aaaarecord || a6record || nsrecord || cnamerecord || ptrrecord || srvrecord || txtrecord || mxrecord || mdrecord || hinforecord || minforecord || afsdbrecord || sigrecord || keyrecord || locrecord || nxtrecord || naptrrecord || kxrecord || certrecord || dnamerecord || dsrecord || sshfprecord || rrsigrecord || nsecrecord || idnsname || idnszoneactive || idnssoamname || idnssoarname || idnssoaserial || idnssoarefresh || idnssoaretry || idnssoaexpire || idnssoaminimum || idnsupdatepolicy")(target = "ldap:///idnsname=*,cn=dns,$SUFFIX")(version 3.0;acl "permission:update dns entries";allow (write) groupdn = "ldap:///cn=update dns entries,cn=permissions,cn=pbac,$SUFFIX";)'
# SELinux User Mapping
dn: cn=SELinux User Map Administrators,cn=privileges,cn=pbac,$SUFFIX
default:objectClass: top
default:objectClass: groupofnames
default:objectClass: nestedgroup
default:cn: SELinux User Map Administrators
default:description: SELinux User Map Administrators
dn: cn=Add SELinux User Maps,cn=permissions,cn=pbac,$SUFFIX
default:objectClass: top
default:objectClass: groupofnames
default:objectClass: ipapermission
default:cn: Add SELinux User Maps
default:member: cn=SELinux User Map Administrators,cn=privileges,cn=pbac,$SUFFIX
dn: cn=Remove SELinux User Maps,cn=permissions,cn=pbac,$SUFFIX
default:objectClass: top
default:objectClass: groupofnames
default:objectClass: ipapermission
default:cn: Remove SELinux User Maps
default:member: cn=SELinux User Map Administrators,cn=privileges,cn=pbac,$SUFFIX
dn: cn=Modify SELinux User Maps,cn=permissions,cn=pbac,$SUFFIX
default:objectClass: top
default:objectClass: groupofnames
default:objectClass: ipapermission
default:cn: Modify SELinux User Maps
default:member: cn=SELinux User Map Administrators,cn=privileges,cn=pbac,$SUFFIX
dn: $SUFFIX
add:aci:'(target = "ldap:///ipauniqueid=*,cn=usermap,cn=selinux,$SUFFIX")(version 3.0;acl "permission:Add SELinux User Maps";allow (add) groupdn = "ldap:///cn=Add SELinux User Maps,cn=permissions,cn=pbac,$SUFFIX";)'
dn: $SUFFIX
add:aci:'(target = "ldap:///ipauniqueid=*,cn=usermap,cn=selinux,$SUFFIX")(version 3.0;acl "permission:Remove SELinux User Maps";allow (delete) groupdn = "ldap:///cn=Remove SELinux User Maps,cn=permissions,cn=pbac,$SUFFIX";)'
dn: $SUFFIX
add:aci:'(targetattr = "cn || memberuser || memberhost || seealso || ipaselinuxuser || ipaenabledflag")(target = "ldap:///ipauniqueid=*,cn=usermap,cn=selinux,$SUFFIX")(version 3.0;acl "permission:Modify SELinux User Maps";allow (write) groupdn = "ldap:///cn=Modify SELinux User Maps,cn=permissions,cn=pbac,$SUFFIX";)'

4
install/updates/50-ipaconfig.update Normal file
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@@ -0,0 +1,4 @@
dn: cn=ipaConfig,cn=etc,$SUFFIX
default:ipaSELinuxUserMapOrder: guest_u:s0$$xguest_u:s0$$user_u:s0-s0:c0.c1023$$staff_u:s0-s0:c0.c1023$$unconfined_u:s0-s0:c0.c1023
default:ipaSELinuxUserMapDefault: guest_u:s0

1
install/updates/Makefile.am
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@@ -26,6 +26,7 @@ app_DATA = \
50-groupuuid.update \
50-hbacservice.update \
50-nis.update \
50-ipaconfig.update \
55-pbacmemberof.update \
$(NULL)