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gtls: honor --[no-]alpn command line switch 

Disable ALPN if requested by the user.
This commit is contained in:
Fabian Frank 2014-02-10 22:18:11 -08:00 committed by Daniel Stenberg
parent 82a4d537c3
commit 8f5a9147be
1 changed files with 30 additions and 20 deletions
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50
lib/vtls/gtls.c
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@ -570,13 +570,20 @@ gtls_connect_step1(struct connectdata *conn,
#endif
#ifdef HAS_ALPN
protocols[0].data = NGHTTP2_PROTO_VERSION_ID;
protocols[0].size = NGHTTP2_PROTO_VERSION_ID_LEN;
protocols[1].data = ALPN_HTTP_1_1;
protocols[1].size = ALPN_HTTP_1_1_LENGTH;
gnutls_alpn_set_protocols(session, protocols, protocols_size, 0);
infof(data, "ALPN, offering %s, %s\n", NGHTTP2_PROTO_VERSION_ID,
ALPN_HTTP_1_1);
if(data->set.httpversion == CURL_HTTP_VERSION_2_0) {
if(data->set.ssl_enable_alpn) {
protocols[0].data = NGHTTP2_PROTO_VERSION_ID;
protocols[0].size = NGHTTP2_PROTO_VERSION_ID_LEN;
protocols[1].data = ALPN_HTTP_1_1;
protocols[1].size = ALPN_HTTP_1_1_LENGTH;
gnutls_alpn_set_protocols(session, protocols, protocols_size, 0);
infof(data, "ALPN, offering %s, %s\n", NGHTTP2_PROTO_VERSION_ID,
ALPN_HTTP_1_1);
}
else {
infof(data, "SSL, can't negotiate HTTP/2.0 without ALPN\n");
}
}
#endif
if(rc != GNUTLS_E_SUCCESS) {
@ -867,23 +874,26 @@ gtls_connect_step3(struct connectdata *conn,
infof(data, "\t MAC: %s\n", ptr);
#ifdef HAS_ALPN
rc = gnutls_alpn_get_selected_protocol(session, &proto);
if(rc == 0) {
infof(data, "ALPN, server accepted to use %.*s\n", proto.size, proto.data);
if(data->set.ssl_enable_alpn) {
rc = gnutls_alpn_get_selected_protocol(session, &proto);
if(rc == 0) {
infof(data, "ALPN, server accepted to use %.*s\n", proto.size,
proto.data);
if(proto.size == NGHTTP2_PROTO_VERSION_ID_LEN &&
memcmp(NGHTTP2_PROTO_VERSION_ID, proto.data,
NGHTTP2_PROTO_VERSION_ID_LEN) == 0) {
conn->negnpn = NPN_HTTP2_DRAFT09;
if(proto.size == NGHTTP2_PROTO_VERSION_ID_LEN &&
memcmp(NGHTTP2_PROTO_VERSION_ID, proto.data,
NGHTTP2_PROTO_VERSION_ID_LEN) == 0) {
conn->negnpn = NPN_HTTP2_DRAFT09;
}
else if(proto.size == ALPN_HTTP_1_1_LENGTH && memcmp(ALPN_HTTP_1_1,
proto.data, ALPN_HTTP_1_1_LENGTH) == 0) {
conn->negnpn = NPN_HTTP1_1;
}
}
else if(proto.size == ALPN_HTTP_1_1_LENGTH && memcmp(ALPN_HTTP_1_1,
proto.data, ALPN_HTTP_1_1_LENGTH) == 0) {
conn->negnpn = NPN_HTTP1_1;
else {
infof(data, "ALPN, server did not agree to a protocol\n");
}
}
else {
infof(data, "ALPN, server did not agree to a protocol\n");
}
#endif
conn->ssl[sockindex].state = ssl_connection_complete;