mirror of
https://github.com/warmcat/libwebsockets.git
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8a7e0edb7d
The vfork optimized spawn, stdxxx and terminal handling in the cgi implementation is quite mature and sophisticated, and useful for other things unrelated to cgi. Break it out into its own public api under LWS_WITH_SPAWN, off by default. Expand it so the parent wsi is optional, and the role and protocol bindings for stdxxx pipes can be set. Allow optional sul timeout and external lws_dll2 owner for extant children. Remove inline style from minimal http-server-cgi
103 lines
2.8 KiB
C
103 lines
2.8 KiB
C
/*
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* lws-minimal-http-server-cgi
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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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* This demonstrates the most minimal http server you can make with lws.
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*
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* To keep it simple, it serves stuff from the subdirectory
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* "./mount-origin" of the directory it was started in.
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* You can change that by changing mount.origin below.
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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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static int interrupted;
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static char cgi_script_fullpath[256];
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static const struct lws_http_mount mount = {
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/* .mount_next */ NULL, /* linked-list "next" */
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/* .mountpoint */ "/", /* mountpoint URL */
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/* .origin */ cgi_script_fullpath, /* cgi script */
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/* .def */ "/", /* default filename */
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/* .protocol */ NULL,
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/* .cgienv */ NULL,
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/* .extra_mimetypes */ NULL,
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/* .interpret */ NULL,
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/* .cgi_timeout */ 0,
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/* .cache_max_age */ 0,
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/* .auth_mask */ 0,
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/* .cache_reusable */ 0,
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/* .cache_revalidate */ 0,
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/* .cache_intermediaries */ 0,
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/* .origin_protocol */ LWSMPRO_CGI, /* files in a dir */
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/* .mountpoint_len */ 1, /* char count */
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/* .basic_auth_login_file */ NULL,
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};
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void sigint_handler(int sig)
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{
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interrupted = 1;
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}
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int main(int argc, const char **argv)
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{
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struct lws_context_creation_info info;
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struct lws_context *context;
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const char *p;
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int n = 0, logs = LLL_USER | LLL_ERR | LLL_WARN | LLL_NOTICE
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/* for LLL_ verbosity above NOTICE to be built into lws,
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* lws must have been configured and built with
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* -DCMAKE_BUILD_TYPE=DEBUG instead of =RELEASE */
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/* | LLL_INFO */ /* | LLL_PARSER */ /* | LLL_HEADER */
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/* | LLL_EXT */ /* | LLL_CLIENT */ /* | LLL_LATENCY */
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/* | LLL_DEBUG */;
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signal(SIGINT, sigint_handler);
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if ((p = lws_cmdline_option(argc, argv, "-d")))
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logs = atoi(p);
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lws_set_log_level(logs, NULL);
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lwsl_user("LWS minimal http server | visit http://localhost:7681\n");
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{
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char cwd[128];
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cwd[0] = '\0';
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getcwd(cwd, sizeof(cwd));
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lws_snprintf(cgi_script_fullpath, sizeof(cgi_script_fullpath),
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"%s/my-cgi-script.sh", cwd);
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}
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memset(&info, 0, sizeof info); /* otherwise uninitialized garbage */
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info.port = 7681;
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info.mounts = &mount;
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info.error_document_404 = "/404.html";
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info.options =
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LWS_SERVER_OPTION_HTTP_HEADERS_SECURITY_BEST_PRACTICES_ENFORCE;
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if (lws_cmdline_option(argc, argv, "-s")) {
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info.options |= LWS_SERVER_OPTION_DO_SSL_GLOBAL_INIT;
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info.ssl_cert_filepath = "localhost-100y.cert";
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info.ssl_private_key_filepath = "localhost-100y.key";
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}
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context = lws_create_context(&info);
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if (!context) {
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lwsl_err("lws init failed\n");
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return 1;
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}
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while (n >= 0 && !interrupted)
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n = lws_service(context, 1000);
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lws_context_destroy(context);
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return 0;
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}
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