openssl: set quiet shutdown flag to ensure that shutdown always succeeds

[project/ustream-ssl.git] / ustream-openssl.c

diff --git a/ustream-openssl.c b/ustream-openssl.c
index 787cc383a818644b9ce5624aa4a2c26bf05efc11..06053e6fb661556a66da8f4cf7f70349ace2eb5b 100644 (file)
--- a/ustream-openssl.c
+++ b/ustream-openssl.c
@@ -52,6 +52,7 @@ __ustream_ssl_context_new(bool server)
                return NULL;
 
        SSL_CTX_set_verify(c, SSL_VERIFY_NONE, NULL);
+       SSL_CTX_set_quiet_shutdown(c, 1);
 
        return (void *) c;
 }
@@ -100,6 +101,12 @@ __hidden void __ustream_ssl_context_free(struct ustream_ssl_ctx *ctx)
        SSL_CTX_free((void *) ctx);
 }
 
+void __ustream_ssl_session_free(void *ssl)
+{
+       SSL_shutdown(ssl);
+       SSL_free(ssl);
+}
+
 static void ustream_ssl_error(struct ustream_ssl *us, int ret)
 {
        us->error = ret;
@@ -160,6 +167,7 @@ static bool ustream_ssl_verify_cn_alt(struct ustream_ssl *us, X509 *cert)
 {
        GENERAL_NAMES *alt_names;
        int i, n_alt;
+       bool ret = false;
 
        alt_names = X509_get_ext_d2i (cert, NID_subject_alt_name, NULL, NULL);
        if (!alt_names)
@@ -175,11 +183,14 @@ static bool ustream_ssl_verify_cn_alt(struct ustream_ssl *us, X509 *cert)
                if (name->type != GEN_DNS)
                        continue;
 
-               if (host_pattern_match_asn1(name->d.dNSName, us->peer_cn))
-                       return true;
+               if (host_pattern_match_asn1(name->d.dNSName, us->peer_cn)) {
+                       ret = true;
+                       break;
+               }
        }
 
-       return false;
+       sk_GENERAL_NAME_free(alt_names);
+       return ret;
 }
 
 static bool ustream_ssl_verify_cn(struct ustream_ssl *us, X509 *cert)