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[TLS] Fix crashes trying to use TLS when not available. 

If no StreamPeerTLS implementation is available, HTTPClient and
WebSocketPeer will now correctly refuse to connect using TLS returning
ERR_UNAVAILABLE.

Similarly, ENetConnection will refuse to setup DTLS when PacketPeerDTLS
is not available.

(cherry picked from commit eeac6f8c7f)
This commit is contained in:
Fabio Alessandrelli 2023-05-18 19:22:23 +02:00 committed by Yuri Sizov
parent 7d5d5b7bd1
commit 238b8357a3
3 changed files with 6 additions and 1 deletions
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1
core/io/http_client_tcp.cpp
View File

@ -60,6 +60,7 @@ Error HTTPClientTCP::connect_to_host(const String &p_host, int p_port, Ref<TLSOp
}
ERR_FAIL_COND_V(tls_options.is_valid() && tls_options->is_server(), ERR_INVALID_PARAMETER);
ERR_FAIL_COND_V_MSG(tls_options.is_valid() && !StreamPeerTLS::is_available(), ERR_UNAVAILABLE, "HTTPS is not available in this build.");
ERR_FAIL_COND_V(conn_host.length() < HOST_MIN_LEN, ERR_INVALID_PARAMETER);
if (conn_port < 0) {

4
modules/websocket/wsl_peer.cpp
View File

@ -332,7 +332,7 @@ void WSLPeer::_do_client_handshake() {
if (connection == tcp) {
// Start SSL handshake
tls = Ref<StreamPeerTLS>(StreamPeerTLS::create());
ERR_FAIL_COND_MSG(tls.is_null(), "SSL is not available in this build.");
ERR_FAIL_COND(tls.is_null());
if (tls->connect_to_stream(tcp, requested_host, tls_options) != OK) {
close(-1);
return; // Error.
@ -504,6 +504,8 @@ Error WSLPeer::connect_to_url(const String &p_url, Ref<TLSOptions> p_options) {
path = "/";
}
ERR_FAIL_COND_V_MSG(use_tls && !StreamPeerTLS::is_available(), ERR_UNAVAILABLE, "WSS is not available in this build.");
requested_url = p_url;
requested_host = host;

2
thirdparty/enet/godot.cpp vendored
View File

@ -436,6 +436,7 @@ ENetSocket enet_socket_create(ENetSocketType type) {
}
int enet_host_dtls_server_setup(ENetHost *host, void *p_options) {
ERR_FAIL_COND_V_MSG(!DTLSServer::is_available(), -1, "DTLS server is not available in this build.");
ENetGodotSocket *sock = (ENetGodotSocket *)host->socket;
if (!sock->can_upgrade()) {
return -1;
@ -446,6 +447,7 @@ int enet_host_dtls_server_setup(ENetHost *host, void *p_options) {
}
int enet_host_dtls_client_setup(ENetHost *host, const char *p_for_hostname, void *p_options) {
ERR_FAIL_COND_V_MSG(!PacketPeerDTLS::is_available(), -1, "DTLS is not available in this build.");
ENetGodotSocket *sock = (ENetGodotSocket *)host->socket;
if (!sock->can_upgrade()) {
return -1;