Rework local client id finding code to be more uniform

 Backport of X.org commit:

 commit 2d93e69690d2c5d4a89a795ede6423796528e5df
 Author: Alan Coopersmith <alan.coopersmith@sun.com>
 Date:   Thu Sep 27 16:47:06 2007 -0700

    Rework local client id finding code to be more uniform

 Backported-to-NX-by: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>

 Note: This commit also switches client_uid_string's size from 32 to 64 chars,
 as found in this X.org commit (spotted by Mihai Moldovan during code review):

    commit a7b944f0d96c3e0e15e75378a04def1ac96089fb
    Author: Alan Coopersmith <alan.coopersmith@sun.com>
    Date:   Wed Nov 1 16:17:49 2006 -0800

        If getpeerucred() is available, include pid & zoneid in audit messages too

1 files changed, 18 insertions, 0 deletions

diff --git a/nx-X11/programs/Xserver/include/os.h b/nx-X11/programs/Xserver/include/os.h
index 99003922f..af84f54c0 100644
--- a/nx-X11/programs/Xserver/include/os.h
+++ b/nx-X11/programs/Xserver/include/os.h
@@ -321,6 +321,24 @@ extern int LocalClient(ClientPtr /* client */);
 
 extern int LocalClientCred(ClientPtr, int *, int *);
 
+#define LCC_UID_SET    (1 << 0)
+#define LCC_GID_SET    (1 << 1)
+#define LCC_PID_SET    (1 << 2)
+#define LCC_ZID_SET    (1 << 3)
+
+typedef struct {
+    int fieldsSet;     /* Bit mask of fields set */
+    int        euid;           /* Effective uid */
+    int egid;          /* Primary effective group id */
+    int nSuppGids;     /* Number of supplementary group ids */
+    int *pSuppGids;    /* Array of supplementary group ids */
+    int pid;           /* Process id */
+    int zoneid;                /* Only set on Solaris 10 & later */
+} LocalClientCredRec;
+
+extern int GetLocalClientCreds(ClientPtr, LocalClientCredRec **);
+extern void FreeLocalClientCreds(LocalClientCredRec *);
+
 extern int ChangeAccessControl(ClientPtr /*client*/, int /*fEnabled*/);
 
 extern int GetAccessControl(void);