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hi,

attached diff adds a "uid" keyword translation for magic symlinks.

any objections?

-e.

-- 
Elad Efrat

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Index: vfs_lookup.c
===================================================================
RCS file: /cvsroot/src/sys/kern/vfs_lookup.c,v
retrieving revision 1.71
diff -u -p -r1.71 vfs_lookup.c
--- vfs_lookup.c	23 Jul 2006 22:06:12 -0000	1.71
+++ vfs_lookup.c	30 Oct 2006 01:36:19 -0000
@@ -163,6 +163,12 @@ symlink_magic(struct proc *p, char *cp, 
 		} else if (MATCH("ostype")) {
 			SUBSTITUTE("ostype", ostype,
 			    strlen(ostype));
+		} else if (MATCH("uid")) {
+			char uidtmp[16];
+
+			(void)snprintf(uidtmp, sizeof(uidtmp) - 1, "%u",
+			    kauth_cred_getuid(p->p_cred));
+			SUBSTITUTE("uid", uidtmp, strlen(uidtmp));
 		} else {
 			tmp[newlen++] = '@';
 			if (termchar == VC)

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