Date: Sat, 29 Dec 2001 18:26:23 +0600 From: "Eugene Panchenko" <replicator@ngs.ru> To: hackers@freebsd.org Subject: Hiding other processes Message-ID: <web-7584539@intranet.ru>
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Hello!
I know about sysctl "kern.ps_showallprocs", but it is not
very convenient because in this case only root will be able
to see all processes, and I want to wheel group to see them
all as well. I modified kern_proc.c a bit, could you please
comment on it, and say will it work or not, and how should I
(if I should) possibly rewrite it?
Thank you a lot!
--- /sys/kern/kern_proc.c Tue May 1 20:39:06 2001
+++ kern_proc.c Fri Dec 28 21:00:11 2001
@@ -476,10 +476,14 @@
p = LIST_FIRST(&zombproc);
for (; p != 0; p = LIST_NEXT(p, p_list)) {
/*
- * Show a user only their processes.
+ * Show a user only their processes
+ * unless he/she is in wheel group (gid = 0).
*/
- if ((!ps_showallprocs) && p_trespass(curproc, p))
- continue;
+ if (((!ps_showallprocs) ||
+ (curproc->p_ucred == NULL ||
+ curproc->p_ucred->cr_gid != (gid_t)0))
+ && p_trespass(curproc, p)
+ continue;
/*
* Skip embryonic processes.
*/
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