TLS server: Check credentials have been configured before using them

Allow ServerHello to be built without local credential configuration. Signed-off-by: Jouni Malinen <j@w1.fi>
5 years ago · f3cca8b1ea
parent 19dd7a736e
commit f3cca8b1ea
1 changed files with 1 additions and 1 deletions
--- a/src/tls/tlsv1_server_write.c
+++ b/src/tls/tlsv1_server_write.c
@ -26,7 +26,7 @@ static size_t tls_server_cert_chain_der_len(struct tlsv1_server *conn)
 	size_t len = 0;
 	struct x509_certificate *cert;

-	cert = conn->cred->cert;
+	cert = conn->cred ? conn->cred->cert : NULL;
 	while (cert) {
 		len += 3 + cert->cert_len;
 		if (x509_certificate_self_signed(cert))