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authorKim Alvefur <zash@zash.se>2017-02-25 17:57:22 +0100
committerKim Alvefur <zash@zash.se>2017-02-25 17:57:22 +0100
commita330175614a22c622261e6a70b23c92b2a841bd4 (patch)
tree6f1d36e95d5835c1125bd03f557df69104bd273f
parent013b8292abda642906ca3ad4f3dc9300cd46954f (diff)
downloadprosody-a330175614a22c622261e6a70b23c92b2a841bd4.tar.gz
prosody-a330175614a22c622261e6a70b23c92b2a841bd4.zip
util.crand: Throw error if OpenSSLs RNG is not seeded
-rw-r--r--util-src/crand.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/util-src/crand.c b/util-src/crand.c
index cc2047eb..e7caf683 100644
--- a/util-src/crand.c
+++ b/util-src/crand.c
@@ -67,6 +67,11 @@ int Lrandom(lua_State *L) {
arc4random_buf(buf, len);
ret = len;
#elif defined(WITH_OPENSSL)
+ if(!RAND_status()) {
+ lua_pushliteral(L, "OpenSSL PRNG not seeded");
+ lua_error(L);
+ }
+
ret = RAND_bytes(buf, len);
if(ret == 1) {
@@ -87,6 +92,7 @@ int luaopen_util_crand(lua_State *L) {
#if (LUA_VERSION_NUM > 501)
luaL_checkversion(L);
#endif
+
lua_newtable(L);
lua_pushcfunction(L, Lrandom);
lua_setfield(L, -2, "bytes");
@@ -100,10 +106,6 @@ int luaopen_util_crand(lua_State *L) {
#endif
lua_setfield(L, -2, "_source");
-#if defined(WITH_OPENSSL) && defined(_WIN32)
- /* TODO Do we need to seed this on Windows? */
-#endif
-
return 1;
}