aboutsummaryrefslogtreecommitdiff
path: root/lib
diff options
context:
space:
mode:
Diffstat (limited to 'lib')
-rw-r--r--lib/vtls/polarssl.c46
1 files changed, 24 insertions, 22 deletions
diff --git a/lib/vtls/polarssl.c b/lib/vtls/polarssl.c
index 2d46aae76..b7f2f6c94 100644
--- a/lib/vtls/polarssl.c
+++ b/lib/vtls/polarssl.c
@@ -118,11 +118,8 @@ static void polarssl_debug(void *context, int level, const char *line)
#endif
/* ALPN for http2? */
-#ifdef USE_NGHTTP2
-# undef HAS_ALPN
-# ifdef POLARSSL_SSL_ALPN
-# define HAS_ALPN
-# endif
+#ifdef POLARSSL_SSL_ALPN
+# define HAS_ALPN
#endif
static Curl_recv polarssl_recv;
@@ -357,16 +354,23 @@ polarssl_connect_step1(struct connectdata *conn,
}
#ifdef HAS_ALPN
- if(data->set.httpversion == CURL_HTTP_VERSION_2_0) {
- if(data->set.ssl_enable_alpn) {
- static const char* protocols[] = {
- NGHTTP2_PROTO_VERSION_ID, ALPN_HTTP_1_1, NULL
- };
- ssl_set_alpn_protocols(&connssl->ssl, protocols);
- infof(data, "ALPN, offering %s, %s\n", protocols[0],
- protocols[1]);
- connssl->asked_for_h2 = TRUE;
+ if(data->set.ssl_enable_alpn) {
+ static const char* protocols[3];
+ int cur = 0;
+
+#ifdef USE_NGHTTP2
+ if(data->set.httpversion == CURL_HTTP_VERSION_2_0) {
+ protocols[cur++] = NGHTTP2_PROTO_VERSION_ID;
+ infof(data, "ALPN, offering %s\n", NGHTTP2_PROTO_VERSION_ID);
}
+#endif
+
+ protocols[cur++] = ALPN_HTTP_1_1;
+ infof(data, "ALPN, offering %s\n", ALPN_HTTP_1_1);
+
+ protocols[cur] = NULL;
+
+ ssl_set_alpn_protocols(&connssl->ssl, protocols);
}
#endif
@@ -388,10 +392,6 @@ polarssl_connect_step2(struct connectdata *conn,
struct ssl_connect_data* connssl = &conn->ssl[sockindex];
char buffer[1024];
-#ifdef HAS_ALPN
- const char* next_protocol;
-#endif
-
char errorbuf[128];
errorbuf[0] = 0;
@@ -461,22 +461,24 @@ polarssl_connect_step2(struct connectdata *conn,
#ifdef HAS_ALPN
if(data->set.ssl_enable_alpn) {
- next_protocol = ssl_get_alpn_protocol(&connssl->ssl);
+ const char *next_protocol = ssl_get_alpn_protocol(&connssl->ssl);
if(next_protocol != NULL) {
infof(data, "ALPN, server accepted to use %s\n", next_protocol);
+#ifdef USE_NGHTTP2
if(!strncmp(next_protocol, NGHTTP2_PROTO_VERSION_ID,
NGHTTP2_PROTO_VERSION_ID_LEN)) {
conn->negnpn = NPN_HTTP2;
}
- else if(!strncmp(next_protocol, ALPN_HTTP_1_1, ALPN_HTTP_1_1_LENGTH)) {
+ else
+#endif
+ if(!strncmp(next_protocol, ALPN_HTTP_1_1, ALPN_HTTP_1_1_LENGTH)) {
conn->negnpn = NPN_HTTP1_1;
}
}
- else if(connssl->asked_for_h2) {
+ else
infof(data, "ALPN, server did not agree to a protocol\n");
- }
}
#endif