From 99533f6c61e9d8adefa5eb5144179e63328e0ef8 Mon Sep 17 00:00:00 2001
From: ps <ps@FreeBSD.org>
Date: Wed, 23 Aug 2000 21:41:25 +0000
Subject: Add a sysctl which hides all process except those that belong to the
 user asking for the process list.

Reviewed by:	peter
---
 sys/kern/kern_proc.c | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'sys/kern/kern_proc.c')

diff --git a/sys/kern/kern_proc.c b/sys/kern/kern_proc.c
index 338657e..9fd0f45 100644
--- a/sys/kern/kern_proc.c
+++ b/sys/kern/kern_proc.c
@@ -55,6 +55,10 @@ MALLOC_DEFINE(M_SESSION, "session", "session header");
 static MALLOC_DEFINE(M_PROC, "proc", "Proc structures");
 MALLOC_DEFINE(M_SUBPROC, "subproc", "Proc sub-structures");
 
+static int ps_showallprocs = 1;
+SYSCTL_INT(_kern, OID_AUTO, ps_showallprocs, CTLFLAG_RW,
+    &ps_showallprocs, 0, "");
+
 static void pgdelete	__P((struct pgrp *));
 
 /*
@@ -599,6 +603,11 @@ sysctl_kern_proc(SYSCTL_HANDLER_ARGS)
 			p = LIST_FIRST(&zombproc);
 		for (; p != 0; p = LIST_NEXT(p, p_list)) {
 			/*
+			 * Show a user only their processes.
+			 */
+			if ((!ps_showallprocs) && p_trespass(curproc, p))
+				continue;
+			/*
 			 * Skip embryonic processes.
 			 */
 			if (p->p_stat == SIDL)
-- 
cgit v1.1