From 76e3fdd0f6b9f838cad263dae35721d43400b5d1 Mon Sep 17 00:00:00 2001
From: Viktor Dukhovni <openssl-users@dukhovni.org>
Date: Wed, 19 Feb 2025 01:44:17 +1100
Subject: [PATCH] ssl3_ctrl(): Fix condition in
 SSL_CTRL_GET_PEER_SIGNATURE_NAME

Reviewed-by: Kurt Roeckx <kurt@roeckx.be>
Reviewed-by: Tim Hudson <tjh@openssl.org>
Reviewed-by: Paul Dale <ppzgs1@gmail.com>
Reviewed-by: Neil Horman <nhorman@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/26819)
---
 ssl/s3_lib.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ssl/s3_lib.c b/ssl/s3_lib.c
index ecb7968897e..413ef10e7a4 100644
--- a/ssl/s3_lib.c
+++ b/ssl/s3_lib.c
@@ -3827,7 +3827,7 @@ long ssl3_ctrl(SSL *s, int cmd, long larg, void *parg)
         return ssl_cert_get_cert_store(sc->cert, parg, 1);
 
     case SSL_CTRL_GET_PEER_SIGNATURE_NAME:
-        if (parg == NULL && sc->s3.tmp.peer_sigalg == NULL)
+        if (parg == NULL || sc->s3.tmp.peer_sigalg == NULL)
             return 0;
         *(const char **)parg = sc->s3.tmp.peer_sigalg->name;
         return 1;
-- 
2.47.2