ssl_lib.c: Check for NULL from SSL_CONNECTION_FROM_SSL()

Fixes https://scan5.scan.coverity.com/#/project-view/62507/10222?selectedIssue=1643027
Fixes https://scan5.scan.coverity.com/#/project-view/62507/10222?selectedIssue=1643028

Reviewed-by: Tim Hudson <tjh@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/26824)

diff --git a/ssl/ssl_lib.c b/ssl/ssl_lib.c
index 4307f020311acd3b71a6ea9f8310b7d8ca436661..f1c679083fb48e9f2b70c26b6b827b55bfc07380 100644 (file)
--- a/ssl/ssl_lib.c
+++ b/ssl/ssl_lib.c
@@ -8226,6 +8226,9 @@ int SSL_set1_client_cert_type(SSL *s, const unsigned char *val, size_t len)
 {
     SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
 
+    if (sc == NULL)
+        return 0;
+
     return set_cert_type(&sc->client_cert_type, &sc->client_cert_type_len,
                          val, len);
 }
@@ -8234,6 +8237,9 @@ int SSL_set1_server_cert_type(SSL *s, const unsigned char *val, size_t len)
 {
     SSL_CONNECTION *sc = SSL_CONNECTION_FROM_SSL(s);
 
+    if (sc == NULL)
+        return 0;
+
     return set_cert_type(&sc->server_cert_type, &sc->server_cert_type_len,
                          val, len);
 }