/* * lws-minimal-secure-streams-server * * Written in 2010-2020 by Andy Green * * This file is made available under the Creative Commons CC0 1.0 * Universal Public Domain Dedication. */ #include #include #include extern const lws_ss_info_t ssi_client, ssi_server; static struct lws_context *context; int interrupted, bad = 1, multipart; static const char * const default_ss_policy = "{" "\"release\":" "\"01234567\"," "\"product\":" "\"myproduct\"," "\"schema-version\":" "1," "\"retry\": [" /* named backoff / retry strategies */ "{\"default\": {" "\"backoff\": [" "1000," "2000," "3000," "5000," "10000" "]," "\"conceal\":" "5," "\"jitterpc\":" "20," "\"svalidping\":" "300," "\"svalidhup\":" "310" "}}" "]," "\"certs\": [" /* named individual certificates in BASE64 DER */ /* * Need to be in order from root cert... notice sometimes as * with Let's Encrypt there are multiple possible validation * paths, all the pieces for one validation path must be * given, excluding the server cert itself. Let's Encrypt * intermediate is signed by their ISRG Root CA but also is * cross-signed by an IdenTrust intermediate that's widely * deployed in browsers. We use the ISRG path because that * way we can skip the extra IdenTrust root cert. */ "{\"isrg_root_x1\": \"" /* ISRG ROOT X1 */ "MIIFazCCA1OgAwIBAgIRAIIQz7DSQONZRGPgu2OCiwAwDQYJKoZIhvcNAQELBQAw" "TzELMAkGA1UEBhMCVVMxKTAnBgNVBAoTIEludGVybmV0IFNlY3VyaXR5IFJlc2Vh" "cmNoIEdyb3VwMRUwEwYDVQQDEwxJU1JHIFJvb3QgWDEwHhcNMTUwNjA0MTEwNDM4" "WhcNMzUwNjA0MTEwNDM4WjBPMQswCQYDVQQGEwJVUzEpMCcGA1UEChMgSW50ZXJu" "ZXQgU2VjdXJpdHkgUmVzZWFyY2ggR3JvdXAxFTATBgNVBAMTDElTUkcgUm9vdCBY" "MTCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAK3oJHP0FDfzm54rVygc" "h77ct984kIxuPOZXoHj3dcKi/vVqbvYATyjb3miGbESTtrFj/RQSa78f0uoxmyF+" "0TM8ukj13Xnfs7j/EvEhmkvBioZxaUpmZmyPfjxwv60pIgbz5MDmgK7iS4+3mX6U" "A5/TR5d8mUgjU+g4rk8Kb4Mu0UlXjIB0ttov0DiNewNwIRt18jA8+o+u3dpjq+sW" "T8KOEUt+zwvo/7V3LvSye0rgTBIlDHCNAymg4VMk7BPZ7hm/ELNKjD+Jo2FR3qyH" "B5T0Y3HsLuJvW5iB4YlcNHlsdu87kGJ55tukmi8mxdAQ4Q7e2RCOFvu396j3x+UC" "B5iPNgiV5+I3lg02dZ77DnKxHZu8A/lJBdiB3QW0KtZB6awBdpUKD9jf1b0SHzUv" "KBds0pjBqAlkd25HN7rOrFleaJ1/ctaJxQZBKT5ZPt0m9STJEadao0xAH0ahmbWn" 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"gGveGAezZ38qKIU26dkz7deECY4vrsRkwhpTW0LGVCpjcQoaKvymAoCmAs8V2oMr" "Ziw1YQ9uOUoWwOqm1wZqmVcOXvPIS2gWAs3fQlWjH9hkcQTMsUaXQDOD0aqkSY3E" "NqOvbCV1/oUpRi3076khCoAXI1bKSn/AvR3KDP14B5toHI/F5OTSEiGhhHesgRrs" "fBrpEY1IATtPq1taBZZogRqI3rOkkPk=" "\"}" "]," "\"trust_stores\": [" /* named cert chains */ "{" "\"name\": \"le_via_isrg\"," "\"stack\": [" "\"isrg_root_x1\"," "\"LEX3_isrg_root_x1\"" "]" "}" "]," "\"s\": [" /* * Client streamtypes */ "{\"mintest\": {" "\"endpoint\":" "\"warmcat.com\"," "\"port\":" "443," "\"protocol\":" "\"h2\"," "\"http_method\":" "\"GET\"," "\"http_url\":" "\"index.html\"," "\"tls\":" "true," "\"retry\":" "\"default\"," "\"tls_trust_store\":" "\"le_via_isrg\"" "}}," /* * This streamtype represents an h2 server listening on :7681, * using a 100-y self-signed tls cert */ "{\"myserver\": {" /* if given, "endpoint" is network if to bind to */ "\"server\":" "true," "\"port\":" "7681," "\"protocol\":" "\"h1\"," "\"metadata\": [{" "\"mime\": \"Content-Type:\"," "\"method\": \"\"," "\"path\": \"\"" "}]," "\"tls\":" "true," /* * A ws server is an http server, if you give a * ws_subprotocol here it's understood we also serve * that ove ws or wss according to tls */ "\"ws_subprotocol\":" "\"mywsprotocol\"," "\"server_cert\":" "\"self_localhost\"," "\"server_key\":" "\"self_localhost_key\"" "}}," "]" "}" ; static int smd_cb(void *opaque, lws_smd_class_t c, lws_usec_t ts, void *buf, size_t len) { if ((c & LWSSMDCL_SYSTEM_STATE) && !lws_json_simple_strcmp(buf, len, "\"state\":", "OPERATIONAL")) { /* create the secure streams */ lwsl_notice("%s: creating server stream\n", __func__); if (lws_ss_create(context, 0, &ssi_server, NULL, NULL, NULL, NULL)) { lwsl_err("%s: failed to create secure stream\n", __func__); return -1; } #if 0 lwsl_notice("%s: creating client stream\n", __func__); if (lws_ss_create(context, 0, &ssi_client, NULL, NULL, NULL, NULL)) { lwsl_err("%s: failed to create secure stream\n", __func__); return -1; } #endif } return 0; } static void sigint_handler(int sig) { interrupted = 1; } int main(int argc, const char **argv) { struct lws_context_creation_info info; int n = 0; signal(SIGINT, sigint_handler); memset(&info, 0, sizeof info); /* otherwise uninitialized garbage */ lws_cmdline_option_handle_builtin(argc, argv, &info); if (lws_cmdline_option(argc, argv, "-m")) multipart = 1; lwsl_user("LWS Secure Streams Server\n"); info.options = LWS_SERVER_OPTION_EXPLICIT_VHOSTS | LWS_SERVER_OPTION_DO_SSL_GLOBAL_INIT; info.fd_limit_per_thread = 1 + 6 + 1; info.pss_policies_json = default_ss_policy; info.port = CONTEXT_PORT_NO_LISTEN; info.early_smd_cb = smd_cb; info.early_smd_class_filter = LWSSMDCL_SYSTEM_STATE; context = lws_create_context(&info); if (!context) { lwsl_err("lws init failed\n"); return 1; } /* the event loop */ while (n >= 0 && !interrupted) n = lws_service(context, 0); bad = 0; lws_context_destroy(context); lwsl_user("Completed: %s\n", bad ? "failed" : "OK"); return bad; }