[PATCH] selinux: Update SELinux SCTP documentation

[Richard Haines via Selinux]

Update SELinux-sctp.rst "SCTP Peer Labeling" section to reflect
how the association permission is validated.

Reported-by: Dominick Grift <***@gmail.com>
Signed-off-by: Richard Haines <***@btinternet.com>
---
Documentation/security/SELinux-sctp.rst | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/Documentation/security/SELinux-sctp.rst b/Documentation/security/SELinux-sctp.rst
index 2f66bf3..a332cb1 100644
--- a/Documentation/security/SELinux-sctp.rst
+++ b/Documentation/security/SELinux-sctp.rst
@@ -116,11 +116,12 @@ statement as shown in the following example::
SCTP Peer Labeling
===================
An SCTP socket will only have one peer label assigned to it. This will be
-assigned during the establishment of the first association. Once the peer
-label has been assigned, any new associations will have the ``association``
-permission validated by checking the socket peer sid against the received
-packets peer sid to determine whether the association should be allowed or
-denied.
+assigned during the establishment of the first association. Any further
+associations on this socket will have their packet peer label compared to
+the sockets peer label, and only if they are different will the
+``association`` permission be validated. This is validated by checking the
+socket peer sid against the received packets peer sid to determine whether
+the association should be allowed or denied.

NOTES:
1) If peer labeling is not enabled, then the peer context will always be

[Paul Moore]

On Mon, Mar 19, 2018 at 1:33 PM, Richard Haines via Selinux

Post by Richard Haines via Selinux
Update SELinux-sctp.rst "SCTP Peer Labeling" section to reflect
how the association permission is validated.
---
Documentation/security/SELinux-sctp.rst | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)

Merged, thanks Richard and Dominick.

Post by Richard Haines via Selinux
diff --git a/Documentation/security/SELinux-sctp.rst b/Documentation/security/SELinux-sctp.rst
index 2f66bf3..a332cb1 100644
--- a/Documentation/security/SELinux-sctp.rst
+++ b/Documentation/security/SELinux-sctp.rst
SCTP Peer Labeling
===================
An SCTP socket will only have one peer label assigned to it. This will be
-assigned during the establishment of the first association. Once the peer
-label has been assigned, any new associations will have the ``association``
-permission validated by checking the socket peer sid against the received
-packets peer sid to determine whether the association should be allowed or
-denied.
+assigned during the establishment of the first association. Any further
+associations on this socket will have their packet peer label compared to
+the sockets peer label, and only if they are different will the
+``association`` permission be validated. This is validated by checking the
+socket peer sid against the received packets peer sid to determine whether
+the association should be allowed or denied.
1) If peer labeling is not enabled, then the peer context will always be
--
2.14.3