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authorSumit Bose <sbose@redhat.com>2013-11-07 11:09:35 +0100
committerJakub Hrozek <jhrozek@redhat.com>2013-11-15 20:38:08 +0100
commit36c266d467e9105041b33e9b1cdcd9ff073d893e (patch)
treedaab56fb42c446f8103cd1aabd2f4495f1e347d6 /src/man
parent32b976eb666044d106dd85e27f8d0bb1d7b6cd6c (diff)
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nss: check for Well-Known SIDs in SID based requests
Diffstat (limited to 'src/man')
-rw-r--r--src/man/include/ldap_id_mapping.xml35
1 files changed, 35 insertions, 0 deletions
diff --git a/src/man/include/ldap_id_mapping.xml b/src/man/include/ldap_id_mapping.xml
index 71ff248f1..9dda39924 100644
--- a/src/man/include/ldap_id_mapping.xml
+++ b/src/man/include/ldap_id_mapping.xml
@@ -189,4 +189,39 @@ ldap_schema = ad
</refsect3>
</refsect2>
+ <refsect2 id='well_known_sids'>
+ <title>Well-Known SIDs</title>
+ <para>
+ SSSD supports to look up the names of Well-Known SIDs, i.e. SIDs
+ with a special hardcoded meaning. Since the generic users and groups
+ related to those Well-Known SIDs have no equivalent in a Linux/UNIX
+ environment no POSIX IDs are available for those objects.
+ </para>
+ <para>
+ The SID name space is organized in authorities which can be seen as
+ different domains. The authorities for the Well-Known SIDs are
+ <itemizedlist>
+ <listitem><para>Null Authority</para></listitem>
+ <listitem><para>World Authority</para></listitem>
+ <listitem><para>Local Authority</para></listitem>
+ <listitem><para>Creator Authority</para></listitem>
+ <listitem><para>NT Authority</para></listitem>
+ <listitem><para>Built-in</para></listitem>
+ </itemizedlist>
+ The capitalized version of these names are used as domain names when
+ returning the fully qualified name of a Well-Known SID.
+ </para>
+ <para>
+ Since some utilities allow to modify SID based access control
+ information with the help of a name instead of using the SID
+ directly SSSD supports to look up the SID by the name as well. To
+ avoid collisions only the fully qualified names are excepted to look
+ up Well-Known SIDs. As a result the domain names <quote>NULL
+ AUTHORITY</quote>, <quote>WORLD AUTHORITY</quote>, <quote> LOCAL
+ AUTHORITY</quote>, <quote>CREATOR AUTHORITY</quote>, <quote>NT
+ AUTHORITY</quote> and <quote>BUILTIN</quote> should not be used as
+ domain names in <filename>sssd.conf</filename>.
+ </para>
+ </refsect2>
+
</refsect1>