From 0f0c5d2617100ec18e4e8400b11c9255d82d455f Mon Sep 17 00:00:00 2001 From: Přemysl Janouch Date: Fri, 3 Apr 2015 00:15:44 +0200 Subject: WebSockets: use Server Name Indication with TLS --- json-rpc-shell.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/json-rpc-shell.c b/json-rpc-shell.c index 596db73..f0cd711 100644 --- a/json-rpc-shell.c +++ b/json-rpc-shell.c @@ -900,7 +900,8 @@ backend_ws_establish_connection (struct app_context *ctx, } static bool -backend_ws_initialize_tls (struct app_context *ctx, struct error **e) +backend_ws_initialize_tls (struct app_context *ctx, + const char *server_name, struct error **e) { struct ws_context *self = &ctx->ws; const char *error_info = NULL; @@ -923,6 +924,12 @@ backend_ws_initialize_tls (struct app_context *ctx, struct error **e) // Avoid SSL_write() returning SSL_ERROR_WANT_READ SSL_set_mode (self->ssl, SSL_MODE_AUTO_RETRY); + // Literal IP addresses aren't allowed in the SNI + struct in6_addr dummy; + if (!inet_pton (AF_INET, server_name, &dummy) + && !inet_pton (AF_INET6, server_name, &dummy)) + SSL_set_tlsext_host_name (self->ssl, server_name); + switch (xssl_get_error (self->ssl, SSL_connect (self->ssl), &error_info)) { case SSL_ERROR_NONE: @@ -1157,7 +1164,7 @@ backend_ws_connect (struct app_context *ctx, struct error **e) if (!backend_ws_establish_connection (ctx, url_host, url_port, e)) goto fail_1; - if (use_tls && !backend_ws_initialize_tls (ctx, e)) + if (use_tls && !backend_ws_initialize_tls (ctx, url_host, e)) goto fail_2; unsigned char key[16]; -- cgit v1.2.3-70-g09d2