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f7149e90c2
https://libwebsockets.org/pipermail/libwebsockets/2019-April/007937.html thanks to Bruce Perens for noting it. This doesn't change the intention or status of the CC0 files, they were pure CC0 before (ie, public domain) and they are pure CC0 now. It just gets rid of the (C) part at the top of the dedication which may be read to be a bit contradictory since the purpose is to make it public domain.
91 lines
2.3 KiB
C
91 lines
2.3 KiB
C
/*
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* lws-minimal-raw-proxy
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*
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* Written in 2010-2019 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 a vhost that acts as a raw tcp proxy. Incoming connections
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* cause an outgoing connection to be initiated, and if successfully established
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* then traffic coming in one side is placed on a ringbuffer and sent out the
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* opposite side as soon as possible.
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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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#include <sys/types.h>
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#define LWS_PLUGIN_STATIC
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#include "../plugins/raw-proxy/protocol_lws_raw_proxy.c"
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static struct lws_protocols protocols[] = {
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LWS_PLUGIN_PROTOCOL_RAW_PROXY,
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{ NULL, NULL, 0, 0 } /* terminator */
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};
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static int interrupted;
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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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static struct lws_protocol_vhost_options pvo1 = {
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NULL,
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NULL,
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"onward", /* pvo name */
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"ipv4:127.0.0.1:22" /* pvo value */
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};
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static const struct lws_protocol_vhost_options pvo = {
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NULL, /* "next" pvo linked-list */
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&pvo1, /* "child" pvo linked-list */
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"raw-proxy", /* protocol name we belong to on this vhost */
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"" /* ignored */
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};
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int main(int argc, const char **argv)
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{
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int n = 0, logs = LLL_USER | LLL_ERR | LLL_WARN | LLL_NOTICE;
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struct lws_context_creation_info info;
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struct lws_context *context;
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char outward[256];
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const char *p;
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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 raw proxy\n");
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if ((p = lws_cmdline_option(argc, argv, "-r"))) {
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lws_strncpy(outward, p, sizeof(outward));
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pvo1.value = outward;
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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.protocols = protocols;
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info.pvo = &pvo;
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info.options = LWS_SERVER_OPTION_ADOPT_APPLY_LISTEN_ACCEPT_CONFIG;
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info.listen_accept_role = "raw-proxy";
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info.listen_accept_protocol = "raw-proxy";
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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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