From 3c8b1b98a3af74a83850f8f03a11e56954437a2f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cristian=20Rodr=C3=ADguez?= <cristian@rodriguez.im>
Date: Wed, 28 Aug 2024 10:52:51 -0400
Subject: [PATCH] If RNG is already seeded, return early

Most of the time, in most systems the openSSL RNG seeds itself
automatically, in that case rand status returns 1, this is
sufficient to return early.
---
 util.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/util.c b/util.c
index 662aa23a..83d31f70 100644
--- a/util.c
+++ b/util.c
@@ -346,6 +346,11 @@ ldns_init_random(FILE *fd, unsigned int size)
 	unsigned int seed_i;
 	struct timeval tv;
 
+#ifdef HAVE_SSL
+	if(RAND_status() == 1)
+		/* already seeded */
+		return 0;
+#endif
 	/* we'll need at least sizeof(unsigned int) bytes for the
 	   standard prng seed */
 	if (size < (unsigned int) sizeof(seed_i)){