SHA256
3
0
forked from pool/bash
bash/bash-4.0-security.patch

44 lines
944 B
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--- variables.c
+++ variables.c 2009-12-04 09:31:06.579929599 +0000
@@ -1216,6 +1216,7 @@ static unsigned long rseed = 1;
static int last_random_value;
static int seeded_subshell = 0;
+#if !defined(linux)
/* A linear congruential random number generator based on the example
one in the ANSI C standard. This one isn't very good, but a more
complicated one is overkill. */
@@ -1264,6 +1265,32 @@ seedrand ()
sbrand (tv.tv_sec ^ tv.tv_usec ^ getpid ());
}
+#else
+/* Use ISO C Random Number Functions of the glibc */
+static int
+brand (void)
+{
+ if (rseed == 0)
+ seedrand ();
+ return rand() & 32767;
+}
+
+static void
+sbrand (unsigned long seed)
+{
+ rseed = seed;
+ srand(seed);
+}
+
+static void
+seedrand (void)
+{
+ struct timeval tv;
+ gettimeofday (&tv, NULL);
+ srand (tv.tv_sec ^ tv.tv_usec ^ getpid ());
+}
+#endif
+
static SHELL_VAR *
assign_random (self, value, unused, key)
SHELL_VAR *self;