Give up root temporarily to read user's .Xauthority.

PR:		11887

1 files changed, 39 insertions, 0 deletions

diff --git a/audio/xmcd/files/patch-af b/audio/xmcd/files/patch-af
new file mode 100644
index 000000000000..5200c47286f0
--- /dev/null
+++ b/audio/xmcd/files/patch-af
@@ -0,0 +1,39 @@
+--- xmcd_d/main.c.orig	Sat Apr 24 03:41:00 1999
++++ xmcd_d/main.c	Sun May 23 11:55:01 1999
+@@ -151,6 +151,8 @@
+ {
+ 	int	i;
+ 	Display	*display;
++        uid_t euid, ruid;
++        gid_t egid, rgid;
+ 
+ 	/* Error message stream */
+ 	errfp = stderr;
+@@ -201,6 +203,16 @@
+ 		}
+ 	}
+ 
++        /* get real IDs */
++        ruid = getuid();
++        rgid = getgid();
++        /* save effective IDs */
++        euid = geteuid();
++        egid = getegid();
++        /* give up root until we have a connection to the X server */
++        (void)seteuid(ruid);
++        (void)setegid(rgid);
++        
+ 	/* Initialize X toolkit */
+ 	widgets.toplevel = XtVaAppInitialize(
+ 		&app_context,
+@@ -210,6 +222,10 @@
+ 		NULL,
+ 		NULL
+ 	);
++
++        /* Ok, back to root */
++        (void)seteuid(euid);
++        (void)setegid(egid);
+ 
+ 	/* Get application options */
+ 	XtVaGetApplicationResources(