mirror of
https://github.com/warmcat/libwebsockets.git
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7eb36102a9
Add initial support for defining servers using Secure Streams policy and api semantics. Serving h1, h2 and ws should be functional, the new minimal example shows a combined http + SS server with an incrementing ws message shown in the browser over tls, in around 200 lines of user code. NOP out anything to do with plugins, they're not currently used. Update the docs correspondingly.
332 lines
14 KiB
C
332 lines
14 KiB
C
/*
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* lws-minimal-secure-streams-server
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*
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* Written in 2010-2020 by Andy Green <andy@warmcat.com>
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*
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* This file is made available under the Creative Commons CC0 1.0
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* Universal Public Domain Dedication.
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*/
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#include <libwebsockets.h>
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#include <string.h>
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#include <signal.h>
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extern const lws_ss_info_t ssi_client, ssi_server;
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static struct lws_context *context;
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int interrupted, bad = 1;
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static const char * const default_ss_policy =
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"{"
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"\"release\":" "\"01234567\","
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"\"product\":" "\"myproduct\","
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"\"schema-version\":" "1,"
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"\"retry\": [" /* named backoff / retry strategies */
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"{\"default\": {"
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"\"backoff\": [" "1000,"
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"2000,"
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"3000,"
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"5000,"
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"10000"
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"],"
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"\"conceal\":" "5,"
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"\"jitterpc\":" "20,"
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"\"svalidping\":" "300,"
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"\"svalidhup\":" "310"
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"}}"
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"],"
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"\"certs\": [" /* named individual certificates in BASE64 DER */
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/*
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* Need to be in order from root cert... notice sometimes as
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* with Let's Encrypt there are multiple possible validation
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* paths, all the pieces for one validation path must be
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* given, excluding the server cert itself. Let's Encrypt
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* intermediate is signed by their ISRG Root CA but also is
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* cross-signed by an IdenTrust intermediate that's widely
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* deployed in browsers. We use the ISRG path because that
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* way we can skip the extra IdenTrust root cert.
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*/
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"{\"isrg_root_x1\": \"" /* ISRG ROOT X1 */
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"MIIFazCCA1OgAwIBAgIRAIIQz7DSQONZRGPgu2OCiwAwDQYJKoZIhvcNAQELBQAw"
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"TzELMAkGA1UEBhMCVVMxKTAnBgNVBAoTIEludGVybmV0IFNlY3VyaXR5IFJlc2Vh"
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"cmNoIEdyb3VwMRUwEwYDVQQDEwxJU1JHIFJvb3QgWDEwHhcNMTUwNjA0MTEwNDM4"
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"WhcNMzUwNjA0MTEwNDM4WjBPMQswCQYDVQQGEwJVUzEpMCcGA1UEChMgSW50ZXJu"
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"ZXQgU2VjdXJpdHkgUmVzZWFyY2ggR3JvdXAxFTATBgNVBAMTDElTUkcgUm9vdCBY"
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"MTCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAK3oJHP0FDfzm54rVygc"
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"h77ct984kIxuPOZXoHj3dcKi/vVqbvYATyjb3miGbESTtrFj/RQSa78f0uoxmyF+"
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"0TM8ukj13Xnfs7j/EvEhmkvBioZxaUpmZmyPfjxwv60pIgbz5MDmgK7iS4+3mX6U"
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"A5/TR5d8mUgjU+g4rk8Kb4Mu0UlXjIB0ttov0DiNewNwIRt18jA8+o+u3dpjq+sW"
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"NFtY2PwByVS5uCbMiogziUwthDyC3+6WVwW6LLv3xLfHTjuCvjHIInNzktHCgKQ5"
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"ORAzI4JMPJ+GslWYHb4phowim57iaztXOoJwTdwJx4nLCgdNbOhdjsnvzqvHu7Ur"
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"TkXWStAmzOVyyghqpZXjFaH3pO3JLF+l+/+sKAIuvtd7u+Nxe5AW0wdeRlN8NwdC"
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"jNPElpzVmbUq4JUagEiuTDkHzsxHpFKVK7q4+63SM1N95R1NbdWhscdCb+ZAJzVc"
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"oyi3B43njTOQ5yOf+1CceWxG1bQVs5ZufpsMljq4Ui0/1lvh+wjChP4kqKOJ2qxq"
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"4RgqsahDYVvTH9w7jXbyLeiNdd8XM2w9U/t7y0Ff/9yi0GE44Za4rF2LN9d11TPA"
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"emyPxgcYxn/eR44/KJ4EBs+lVDR3veyJm+kXQ99b21/+jh5Xos1AnX5iItreGCc="
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"\"},"
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"{\"LEX3_isrg_root_x1\": \"" /* LE X3 signed by ISRG X1 root */
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"MIIFjTCCA3WgAwIBAgIRANOxciY0IzLc9AUoUSrsnGowDQYJKoZIhvcNAQELBQAw"
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"RW5jcnlwdDEjMCEGA1UEAxMaTGV0J3MgRW5jcnlwdCBBdXRob3JpdHkgWDMwggEi"
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"MA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCc0wzwWuUuR7dyXTeDs2hjMOrX"
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"NSYZJeG9vjXxcJIvt7hLQQWrqZ41CFjssSrEaIcLo+N15Obzp2JxunmBYB/XkZqf"
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"89B4Z3HIaQ6Vkc/+5pnpYDxIzH7KTXcSJJ1HG1rrueweNwAcnKx7pwXqzkrrvUHl"
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"Npi5y/1tPJZo3yMqQpAMhnRnyH+lmrhSYRQTP2XpgofL2/oOVvaGifOFP5eGr7Dc"
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"BgNVHSAETTBLMAgGBmeBDAECATA/BgsrBgEEAYLfEwEBATAwMC4GCCsGAQUFBwIB"
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"FiJodHRwOi8vY3BzLnJvb3QteDEubGV0c2VuY3J5cHQub3JnMB0GA1UdDgQWBBSo"
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"SmpjBH3duubRObemRWXv86jsoTAzBgNVHR8ELDAqMCigJqAkhiJodHRwOi8vY3Js"
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"LnJvb3QteDEubGV0c2VuY3J5cHQub3JnMHIGCCsGAQUFBwEBBGYwZDAwBggrBgEF"
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"BQcwAYYkaHR0cDovL29jc3Aucm9vdC14MS5sZXRzZW5jcnlwdC5vcmcvMDAGCCsG"
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"AQUFBzAChiRodHRwOi8vY2VydC5yb290LXgxLmxldHNlbmNyeXB0Lm9yZy8wHwYD"
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"VR0jBBgwFoAUebRZ5nu25eQBc4AIiMgaWPbpm24wDQYJKoZIhvcNAQELBQADggIB"
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"ABnPdSA0LTqmRf/Q1eaM2jLonG4bQdEnqOJQ8nCqxOeTRrToEKtwT++36gTSlBGx"
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"A/5dut82jJQ2jxN8RI8L9QFXrWi4xXnA2EqA10yjHiR6H9cj6MFiOnb5In1eWsRM"
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"UM2v3e9tNsCAgBukPHAg1lQh07rvFKm/Bz9BCjaxorALINUfZ9DD64j2igLIxle2"
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"DPxW8dI/F2loHMjXZjqG8RkqZUdoxtID5+90FgsGIfkMpqgRS05f4zPbCEHqCXl1"
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"eO5HyELTgcVlLXXQDgAWnRzut1hFJeczY1tjQQno6f6s+nMydLN26WuU4s3UYvOu"
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"OsUxRlJu7TSRHqDC3lSE5XggVkzdaPkuKGQbGpny+01/47hfXXNB7HntWNZ6N2Vw"
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"p7G6OfY+YQrZwIaQmhrIqJZuigsrbe3W+gdn5ykE9+Ky0VgVUsfxo52mwFYs1JKY"
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"2PGDuWx8M6DlS6qQkvHaRUo0FMd8TsSlbF0/v965qGFKhSDeQoMpYnwcmQilRh/0"
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"ayLThlHLN81gSkJjVrPI0Y8xCVPB4twb1PFUd2fPM3sA1tJ83sZ5v8vgFv2yofKR"
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"PB0t6JzUA81mSqM3kxl5e+IZwhYAyO0OTg3/fs8HqGTNKd9BqoUwSRBzp06JMg5b"
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"rUCGwbCUDI0mxadJ3Bz4WxR6fyNpBK2yAinWEsikxqEt"
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"\"},"
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/*
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* a selfsigned cert for localhost for 100 years
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*/
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"{\"self_localhost\": \""
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"MIIF5jCCA86gAwIBAgIJANq50IuwPFKgMA0GCSqGSIb3DQEBCwUAMIGGMQswCQYD"
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"VQQGEwJHQjEQMA4GA1UECAwHRXJld2hvbjETMBEGA1UEBwwKQWxsIGFyb3VuZDEb"
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"MBkGA1UECgwSbGlid2Vic29ja2V0cy10ZXN0MRIwEAYDVQQDDAlsb2NhbGhvc3Qx"
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"HzAdBgkqhkiG9w0BCQEWEG5vbmVAaW52YWxpZC5vcmcwIBcNMTgwMzIwMDQxNjA3"
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"WhgPMjExODAyMjQwNDE2MDdaMIGGMQswCQYDVQQGEwJHQjEQMA4GA1UECAwHRXJl"
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"d2hvbjETMBEGA1UEBwwKQWxsIGFyb3VuZDEbMBkGA1UECgwSbGlid2Vic29ja2V0"
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"cy10ZXN0MRIwEAYDVQQDDAlsb2NhbGhvc3QxHzAdBgkqhkiG9w0BCQEWEG5vbmVA"
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"aW52YWxpZC5vcmcwggIiMA0GCSqGSIb3DQEBAQUAA4ICDwAwggIKAoICAQCjYtuW"
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"aICCY0tJPubxpIgIL+WWmz/fmK8IQr11Wtee6/IUyUlo5I602mq1qcLhT/kmpoR8"
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"xbnXZzPdCRNV9V2mShbXvCyiDY7WCQE2Bn44z26O0uWVk+7DNNLH9BnkwUtOnM9P"
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"xQ2D+XyDR0aRLRlvxUa9dHGFHLICG34Juq5Ai6lM1EsoD8HSsJpMcmrH7MWw2cKk"
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"e2Hl/7M0c/lbZ4FvXgARlex2rkgS0Ka06HE="
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"\"},"
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/*
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* the private key for above
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*/
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"{\"self_localhost_key\": \""
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"MIIJQwIBADANBgkqhkiG9w0BAQEFAASCCS0wggkpAgEAAoICAQCjYtuWaICCY0tJ"
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"PubxpIgIL+WWmz/fmK8IQr11Wtee6/IUyUlo5I602mq1qcLhT/kmpoR8Di3DAmHK"
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|
|
"BVXjM9W0r07QPnHZsUiByqb743adkbTUjmxdJzjaVtxN7ZXwZvOVrY7I7fPWYnCE"
|
|
"fXCr4+IVpZI/ZHZWpGX6CGSgT6EOjCZ5IUufIvEpqVSmtF8MqfXO9o9uIYLokrWQ"
|
|
"x1dBl5UnuTLDqw8bChq7O5y6yfuWaOWvL7nxI8NvSsfj4y635gIa/0dFeBYZEfHI"
|
|
"UlGdNVomwXwYEzgE/c19ruIowX7HU/NgxMWTMZhpazlxgesXybel+YNcfDQ4e3RM"
|
|
"OMz3ZFiaMaJsGGNf4++d9TmMgk4Ns6oDs6Tb9AECggEBAJYzd+SOYo26iBu3nw3L"
|
|
"65uEeh6xou8pXH0Tu4gQrPQTRZZ/nT3iNgOwqu1gRuxcq7TOjt41UdqIKO8vN7/A"
|
|
"aJavCpaKoIMowy/aGCbvAvjNPpU3unU8jdl/t08EXs79S5IKPcgAx87sTTi7KDN5"
|
|
"SYt4tr2uPEe53NTXuSatilG5QCyExIELOuzWAMKzg7CAiIlNS9foWeLyVkBgCQ6S"
|
|
"me/L8ta+mUDy37K6vC34jh9vK9yrwF6X44ItRoOJafCaVfGI+175q/eWcqTX4q+I"
|
|
"G4tKls4sL4mgOJLq+ra50aYMxbcuommctPMXU6CrrYyQpPTHMNVDQy2ttFdsq9iK"
|
|
"TncCggEBAMmt/8yvPflS+xv3kg/ZBvR9JB1In2n3rUCYYD47ReKFqJ03Vmq5C9nY"
|
|
"56s9w7OUO8perBXlJYmKZQhO4293lvxZD2Iq4NcZbVSCMoHAUzhzY3brdgtSIxa2"
|
|
"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);
|
|
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;
|
|
}
|