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-rw-r--r--lib/vtls/vtls.c19
-rwxr-xr-xtests/runtests.pl1
2 files changed, 19 insertions, 1 deletions
diff --git a/lib/vtls/vtls.c b/lib/vtls/vtls.c
index ab7274ace..58295a4de 100644
--- a/lib/vtls/vtls.c
+++ b/lib/vtls/vtls.c
@@ -5,7 +5,7 @@
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
- * Copyright (C) 1998 - 2013, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
@@ -197,6 +197,23 @@ unsigned int Curl_rand(struct SessionHandle *data)
static unsigned int randseed;
static bool seeded = FALSE;
+#ifdef CURLDEBUG
+ char *force_entropy = getenv("CURL_ENTROPY");
+ if(force_entropy) {
+ if(!seeded) {
+ size_t elen = strlen(force_entropy);
+ size_t clen = sizeof(randseed);
+ size_t min = elen < clen ? elen : clen;
+ memcpy((char *)&randseed, force_entropy, min);
+ seeded = TRUE;
+ }
+ else
+ randseed++;
+
+ return randseed;
+ }
+#endif
+
#ifndef have_curlssl_random
(void)data;
#else
diff --git a/tests/runtests.pl b/tests/runtests.pl
index bf7aaeed1..5982348e9 100755
--- a/tests/runtests.pl
+++ b/tests/runtests.pl
@@ -311,6 +311,7 @@ if (!$USER) {
# enable memory debugging if curl is compiled with it
$ENV{'CURL_MEMDEBUG'} = $memdump;
+$ENV{'CURL_ENTROPY'}="12345678";
$ENV{'HOME'}=$pwd;
sub catch_zap {