deps: add -no_rand_screen to openssl s_client

In openssl s_client on Windows, RAND_screen() is invoked to initialize random state but it takes several seconds in each connection. This added -no_rand_screen to openssl s_client on Windows to skip RAND_screen() and gets a better performance in the unit test of test-tls-server-verify. Do not enable this except to use in the unit test. (cherry picked from commit 9f0f7c3) Reviewed-By: James M Snell <[email protected]> PR-URL: nodejs#25368
sxa · Jun 12, 2015 · 4553bad · 4553bad
1 parent aa1f58d
commit 4553bad
Showing 1 changed file with 10 additions and 4 deletions.
diff --git a/deps/openssl/openssl/apps/app_rand.c b/deps/openssl/openssl/apps/app_rand.c
@@ -124,10 +124,16 @@ int app_RAND_load_file(const char *file, BIO *bio_e, int dont_warn)
     char buffer[200];
 
 #ifdef OPENSSL_SYS_WINDOWS
-    BIO_printf(bio_e, "Loading 'screen' into random state -");
-    BIO_flush(bio_e);
-    RAND_screen();
-    BIO_printf(bio_e, " done\n");
+    /*
+     * allocate 2 to dont_warn not to use RAND_screen() via
+     * -no_rand_screen option in s_client
+     */
+    if (dont_warn != 2) {
+      BIO_printf(bio_e, "Loading 'screen' into random state -");
+      BIO_flush(bio_e);
+      RAND_screen();
+      BIO_printf(bio_e, " done\n");
+    }
 #endif
 
     if (file == NULL)