From: Karel Zak <kzak@redhat.com>
Date: Thu, 24 Jan 2013 15:27:04 +0000 (+0100)
Subject: ipcmk: use random_get_bytes() to generate IPC keys
X-Git-Tag: v2.23-rc1~334
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=96f6ad889be9af77fb20197e1d02a196cd299f64;p=thirdparty%2Futil-linux.git

ipcmk: use random_get_bytes() to generate IPC keys

Signed-off-by: Karel Zak <kzak@redhat.com>
---

diff --git a/sys-utils/ipcmk.c b/sys-utils/ipcmk.c
index a862ba1a28..3ff021e943 100644
--- a/sys-utils/ipcmk.c
+++ b/sys-utils/ipcmk.c
@@ -32,32 +32,31 @@
 
 #include "c.h"
 #include "nls.h"
+#include "randutils.h"
 #include "strutils.h"
 #include "closestream.h"
 
-static key_t create_key(void)
-{
-	struct timeval now;
-	gettimeofday(&now, NULL);
-	srandom(now.tv_usec);
-	return random();
-}
-
 static int create_shm(size_t size, int permission)
 {
-	key_t key = create_key();
+	key_t key;
+
+	random_get_bytes(&key, sizeof(key));
 	return shmget(key, size, permission | IPC_CREAT);
 }
 
 static int create_msg(int permission)
 {
-	key_t key = create_key();
+	key_t key;
+
+	random_get_bytes(&key, sizeof(key));
 	return msgget(key, permission | IPC_CREAT);
 }
 
 static int create_sem(int nsems, int permission)
 {
-	key_t key = create_key();
+	key_t key;
+
+	random_get_bytes(&key, sizeof(key));
 	return semget(key, nsems, permission | IPC_CREAT);
 }