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876 lines
22 KiB
876 lines
22 KiB
/*
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* libwebsockets-test-client - libwebsockets test implementation
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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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* The person who associated a work with this deed has dedicated
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* the work to the public domain by waiving all of his or her rights
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* to the work worldwide under copyright law, including all related
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* and neighboring rights, to the extent allowed by law. You can copy,
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* modify, distribute and perform the work, even for commercial purposes,
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* all without asking permission.
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*
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* The test apps are intended to be adapted for use in your code, which
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* may be proprietary. So unlike the library itself, they are licensed
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* Public Domain.
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*/
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#include "lws_config.h"
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#include <stdio.h>
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#include <stdlib.h>
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#if defined(LWS_HAS_GETOPT_LONG) || defined(WIN32)
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#include <getopt.h>
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#endif
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#include <string.h>
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#include <signal.h>
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#ifdef _WIN32
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#define random rand
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#include "gettimeofday.h"
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#else
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#include <syslog.h>
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#include <sys/time.h>
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#include <unistd.h>
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#endif
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#include <libwebsockets.h>
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struct lws_poly_gen {
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uint32_t cyc[2];
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};
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#define block_size (3 * 4096)
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static int deny_deflate, longlived, mirror_lifetime, test_post, once;
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static struct lws *wsi_dumb, *wsi_mirror;
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static struct lws *wsi_multi[3];
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static volatile int force_exit;
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static unsigned int opts, rl_multi[3];
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static int flag_no_mirror_traffic, justmirror, flag_echo;
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static uint32_t count_blocks = 1024, txb, rxb, rx_count, errs;
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static struct lws_poly_gen tx = { { 0xabcde, 0x23456789 } },
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rx = { { 0xabcde, 0x23456789 } }
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;
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#if defined(LWS_WITH_TLS) && defined(LWS_HAVE_SSL_CTX_set1_param)
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char crl_path[1024] = "";
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#endif
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/*
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* This demo shows how to connect multiple websockets simultaneously to a
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* websocket server (there is no restriction on their having to be the same
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* server just it simplifies the demo).
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*
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* dumb-increment-protocol: we connect to the server and print the number
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* we are given
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*
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* lws-mirror-protocol: draws random circles, which are mirrored on to every
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* client (see them being drawn in every browser
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* session also using the test server)
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*/
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enum demo_protocols {
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PROTOCOL_DUMB_INCREMENT,
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PROTOCOL_LWS_MIRROR,
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/* always last */
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DEMO_PROTOCOL_COUNT
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};
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static uint8_t
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lws_poly_rand(struct lws_poly_gen *p)
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{
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p->cyc[0] = (p->cyc[0] & 1) ? (p->cyc[0] >> 1) ^ 0xb4bcd35c :
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p->cyc[0] >> 1;
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p->cyc[0] = (p->cyc[0] & 1) ? (p->cyc[0] >> 1) ^ 0xb4bcd35c :
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p->cyc[0] >> 1;
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p->cyc[1] = (p->cyc[1] & 1) ? (p->cyc[1] >> 1) ^ 0x7a5bc2e3 :
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p->cyc[1] >> 1;
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return p->cyc[0] ^ p->cyc[1];
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}
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static void show_http_content(const char *p, size_t l)
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{
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if (lwsl_visible(LLL_INFO)) {
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while (l--)
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if (*p < 0x7f)
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putchar(*p++);
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else
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putchar('.');
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}
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}
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/*
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* dumb_increment protocol
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*
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* since this also happens to be protocols[0], some callbacks that are not
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* bound to a specific protocol also turn up here.
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*/
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static int
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callback_dumb_increment(struct lws *wsi, enum lws_callback_reasons reason,
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void *user, void *in, size_t len)
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{
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#if defined(LWS_WITH_TLS)
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union lws_tls_cert_info_results ci;
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#endif
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const char *which = "http";
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char which_wsi[10], buf[50 + LWS_PRE];
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int n;
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switch (reason) {
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case LWS_CALLBACK_CLIENT_ESTABLISHED:
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lwsl_info("dumb: LWS_CALLBACK_CLIENT_ESTABLISHED\n");
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break;
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case LWS_CALLBACK_CLOSED:
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lwsl_notice("dumb: LWS_CALLBACK_CLOSED\n");
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wsi_dumb = NULL;
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break;
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case LWS_CALLBACK_CLIENT_RECEIVE:
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((char *)in)[len] = '\0';
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lwsl_info("rx %d '%s'\n", (int)len, (char *)in);
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break;
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/* because we are protocols[0] ... */
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case LWS_CALLBACK_CLIENT_CONNECTION_ERROR:
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if (wsi == wsi_dumb) {
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which = "dumb";
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wsi_dumb = NULL;
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}
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if (wsi == wsi_mirror) {
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which = "mirror";
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wsi_mirror = NULL;
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}
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for (n = 0; n < (int)LWS_ARRAY_SIZE(wsi_multi); n++)
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if (wsi == wsi_multi[n]) {
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sprintf(which_wsi, "multi %d", n);
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which = which_wsi;
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wsi_multi[n] = NULL;
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}
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lwsl_err("CLIENT_CONNECTION_ERROR: %s: %s\n", which,
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in ? (char *)in : "(null)");
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break;
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case LWS_CALLBACK_CLIENT_CONFIRM_EXTENSION_SUPPORTED:
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if ((strcmp((const char *)in, "deflate-stream") == 0) &&
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deny_deflate) {
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lwsl_notice("denied deflate-stream extension\n");
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return 1;
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}
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if ((strcmp((const char *)in, "x-webkit-deflate-frame") == 0))
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return 1;
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if ((strcmp((const char *)in, "deflate-frame") == 0))
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return 1;
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break;
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case LWS_CALLBACK_ESTABLISHED_CLIENT_HTTP:
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lwsl_notice("lws_http_client_http_response %d\n",
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lws_http_client_http_response(wsi));
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#if defined(LWS_WITH_TLS)
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if (!lws_tls_peer_cert_info(wsi, LWS_TLS_CERT_INFO_COMMON_NAME,
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&ci, sizeof(ci.ns.name)))
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lwsl_notice(" Peer Cert CN : %s\n", ci.ns.name);
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if (!lws_tls_peer_cert_info(wsi, LWS_TLS_CERT_INFO_ISSUER_NAME,
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&ci, sizeof(ci.ns.name)))
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lwsl_notice(" Peer Cert issuer : %s\n", ci.ns.name);
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if (!lws_tls_peer_cert_info(wsi, LWS_TLS_CERT_INFO_VALIDITY_FROM,
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&ci, 0))
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lwsl_notice(" Peer Cert Valid from: %s", ctime(&ci.time));
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if (!lws_tls_peer_cert_info(wsi, LWS_TLS_CERT_INFO_VALIDITY_TO,
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&ci, 0))
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lwsl_notice(" Peer Cert Valid to : %s", ctime(&ci.time));
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if (!lws_tls_peer_cert_info(wsi, LWS_TLS_CERT_INFO_USAGE,
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&ci, 0))
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lwsl_notice(" Peer Cert usage bits: 0x%x\n", ci.usage);
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#endif
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break;
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/* chunked content */
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case LWS_CALLBACK_RECEIVE_CLIENT_HTTP_READ:
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lwsl_notice("LWS_CALLBACK_RECEIVE_CLIENT_HTTP_READ: %ld\n",
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(long)len);
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show_http_content(in, len);
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break;
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/* unchunked content */
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case LWS_CALLBACK_RECEIVE_CLIENT_HTTP:
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{
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char buffer[1024 + LWS_PRE];
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char *px = buffer + LWS_PRE;
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int lenx = sizeof(buffer) - LWS_PRE;
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/*
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* Often you need to flow control this by something
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* else being writable. In that case call the api
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* to get a callback when writable here, and do the
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* pending client read in the writeable callback of
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* the output.
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*
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* In the case of chunked content, this will call back
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* LWS_CALLBACK_RECEIVE_CLIENT_HTTP_READ once per
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* chunk or partial chunk in the buffer, and report
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* zero length back here.
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*/
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if (lws_http_client_read(wsi, &px, &lenx) < 0)
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return -1;
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}
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break;
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case LWS_CALLBACK_CLIENT_WRITEABLE:
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lwsl_info("Client wsi %p writable\n", wsi);
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break;
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case LWS_CALLBACK_CLIENT_APPEND_HANDSHAKE_HEADER:
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if (test_post) {
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unsigned char **p = (unsigned char **)in, *end = (*p) + len;
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if (lws_add_http_header_by_token(wsi,
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WSI_TOKEN_HTTP_CONTENT_LENGTH,
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(unsigned char *)"29", 2, p, end))
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return -1;
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if (lws_add_http_header_by_token(wsi,
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WSI_TOKEN_HTTP_CONTENT_TYPE,
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(unsigned char *)"application/x-www-form-urlencoded",
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33, p, end))
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return -1;
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/* inform lws we have http body to send */
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lws_client_http_body_pending(wsi, 1);
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lws_callback_on_writable(wsi);
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}
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break;
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case LWS_CALLBACK_CLIENT_HTTP_WRITEABLE:
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strcpy(buf + LWS_PRE, "text=hello&send=Send+the+form");
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n = lws_write(wsi, (unsigned char *)&buf[LWS_PRE],
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strlen(&buf[LWS_PRE]), LWS_WRITE_HTTP);
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if (n < 0)
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return -1;
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/* we only had one thing to send, so inform lws we are done
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* if we had more to send, call lws_callback_on_writable(wsi);
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* and just return 0 from callback. On having sent the last
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* part, call the below api instead.*/
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lws_client_http_body_pending(wsi, 0);
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break;
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case LWS_CALLBACK_COMPLETED_CLIENT_HTTP:
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wsi_dumb = NULL;
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force_exit = 1;
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break;
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#if defined(LWS_WITH_TLS) && defined(LWS_HAVE_SSL_CTX_set1_param) && \
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!defined(LWS_WITH_MBEDTLS)
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case LWS_CALLBACK_OPENSSL_LOAD_EXTRA_CLIENT_VERIFY_CERTS:
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if (crl_path[0]) {
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/* Enable CRL checking of the server certificate */
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X509_STORE *store;
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X509_LOOKUP *lookup;
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int n;
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X509_VERIFY_PARAM *param = X509_VERIFY_PARAM_new();
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X509_VERIFY_PARAM_set_flags(param, X509_V_FLAG_CRL_CHECK);
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SSL_CTX_set1_param((SSL_CTX*)user, param);
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store = SSL_CTX_get_cert_store((SSL_CTX*)user);
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lookup = X509_STORE_add_lookup(store,
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X509_LOOKUP_file());
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n = X509_load_cert_crl_file(lookup, crl_path,
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X509_FILETYPE_PEM);
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X509_VERIFY_PARAM_free(param);
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if (n != 1) {
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char errbuf[256];
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n = ERR_get_error();
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lwsl_err("EXTRA_CLIENT_VERIFY_CERTS: "
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"SSL error: %s (%d)\n",
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ERR_error_string(n, errbuf), n);
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return 1;
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}
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}
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break;
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#endif
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default:
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break;
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}
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return 0;
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}
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/* lws-mirror_protocol */
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static int
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callback_lws_mirror(struct lws *wsi, enum lws_callback_reasons reason,
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void *user, void *in, size_t len)
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{
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unsigned char buf[LWS_PRE + block_size], *p;
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unsigned int rands[4];
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int l = 0;
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int n;
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switch (reason) {
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case LWS_CALLBACK_CLIENT_ESTABLISHED:
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lwsl_notice("mirror: LWS_CALLBACK_CLIENT_ESTABLISHED\n");
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if (flag_echo) {
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rxb = txb = 0;
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rx.cyc[0] = tx.cyc[0] = 0xabcde;
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rx.cyc[1] = tx.cyc[1] = 0x23456789;
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lws_callback_on_writable(wsi);
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break;
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}
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lws_get_random(lws_get_context(wsi), rands, sizeof(rands[0]));
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mirror_lifetime = 16384 + (rands[0] & 65535);
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/* useful to test single connection stability */
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if (longlived)
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mirror_lifetime += 500000;
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lwsl_notice("opened mirror connection with "
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"%d lifetime\n", mirror_lifetime);
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/*
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* mirror_lifetime is decremented each send, when it reaches
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* zero the connection is closed in the send callback.
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* When the close callback comes, wsi_mirror is set to NULL
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* so a new connection will be opened
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*
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* start the ball rolling,
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* LWS_CALLBACK_CLIENT_WRITEABLE will come next service
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*/
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if (!flag_no_mirror_traffic)
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lws_callback_on_writable(wsi);
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break;
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case LWS_CALLBACK_CLIENT_CLOSED:
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lwsl_notice("mirror: LWS_CALLBACK_CLOSED mirror_lifetime=%d, "
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"rxb %d, rx_count %d\n", mirror_lifetime, rxb,
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rx_count);
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wsi_mirror = NULL;
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if (flag_echo || once)
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force_exit = 1;
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break;
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case LWS_CALLBACK_CLIENT_WRITEABLE:
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lwsl_user("LWS_CALLBACK_CLIENT_WRITEABLE\n");
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if (flag_no_mirror_traffic)
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return 0;
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if (flag_echo) {
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for (n = 0; n < (int)block_size; n++)
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buf[LWS_PRE + n] = lws_poly_rand(&tx);
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n = lws_write(wsi, &buf[LWS_PRE], block_size,
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opts | LWS_WRITE_TEXT);
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if (n < 0) {
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lwsl_err("Error sending\n");
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return -1;
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}
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txb++;
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if (txb != count_blocks)
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lws_callback_on_writable(wsi);
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else {
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lwsl_notice("send completed: %d x %d\n",
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count_blocks, block_size);
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}
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break;
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}
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for (n = 0; n < 1; n++) {
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lws_get_random(lws_get_context(wsi), rands,
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sizeof(rands));
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l += sprintf((char *)&buf[LWS_PRE + l],
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"c #%06X %u %u %u;",
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rands[0] & 0xffffff, /* colour */
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rands[1] & 511, /* x */
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rands[2] & 255, /* y */
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(rands[3] & 31) + 1); /* radius */
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}
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n = lws_write(wsi, &buf[LWS_PRE], l,
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opts | LWS_WRITE_TEXT);
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if (n < 0)
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return -1;
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if (n < l) {
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lwsl_err("Partial write LWS_CALLBACK_CLIENT_WRITEABLE\n");
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return -1;
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}
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if (!justmirror)
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mirror_lifetime--;
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if (!mirror_lifetime) {
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lwsl_notice("closing mirror session\n");
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return -1;
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}
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/* get notified as soon as we can write again */
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lws_callback_on_writable(wsi);
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#if !defined(_WIN32) && !defined(WIN32)
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usleep(50);
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#endif
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break;
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case LWS_CALLBACK_CLIENT_RECEIVE:
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if (flag_echo) {
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p = (unsigned char *)in;
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for (n = 0; n < (int)len; n++)
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if (*p++ != lws_poly_rand(&rx)) {
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lwsl_err("mismatch at rxb %d offset %d\n", rxb + (n / block_size), n % block_size);
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errs++;
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force_exit = 1;
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return -1;
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}
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rx_count += (unsigned int)(unsigned long long)len;
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while (rx_count >= block_size) {
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rx_count -= block_size;
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rxb++;
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}
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if (rx_count == 0 && rxb == count_blocks) {
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lwsl_notice("Everything received: errs %d\n",
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errs);
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force_exit = 1;
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return -1;
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}
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}
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break;
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default:
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break;
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}
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return 0;
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}
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static int
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callback_test_raw_client(struct lws *wsi, enum lws_callback_reasons reason,
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void *user, void *in, size_t len)
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{
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switch (reason) {
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case LWS_CALLBACK_RAW_ADOPT:
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lwsl_notice("LWS_CALLBACK_RAW_ADOPT\n");
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break;
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case LWS_CALLBACK_RAW_RX:
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lwsl_notice("LWS_CALLBACK_RAW_RX %ld\n", (long)len);
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puts(in);
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break;
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case LWS_CALLBACK_RAW_CLOSE:
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lwsl_notice("LWS_CALLBACK_RAW_CLOSE\n");
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break;
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case LWS_CALLBACK_RAW_WRITEABLE:
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lwsl_notice("LWS_CALLBACK_RAW_WRITEABLE\n");
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break;
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default:
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break;
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}
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return 0;
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}
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/* list of supported protocols and callbacks */
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static const struct lws_protocols protocols[] = {
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{
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"dumb-increment-protocol",
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callback_dumb_increment,
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0,
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20,
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},
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|
{
|
|
"lws-mirror-protocol",
|
|
callback_lws_mirror,
|
|
0,
|
|
4096,
|
|
}, {
|
|
"lws-test-raw-client",
|
|
callback_test_raw_client,
|
|
0,
|
|
128
|
|
},
|
|
{ NULL, NULL, 0, 0 } /* end */
|
|
};
|
|
|
|
static const struct lws_extension exts[] = {
|
|
{
|
|
"permessage-deflate",
|
|
lws_extension_callback_pm_deflate,
|
|
"permessage-deflate; client_no_context_takeover"
|
|
},
|
|
{
|
|
"deflate-frame",
|
|
lws_extension_callback_pm_deflate,
|
|
"deflate_frame"
|
|
},
|
|
{ NULL, NULL, NULL /* terminator */ }
|
|
};
|
|
|
|
|
|
|
|
void sighandler(int sig)
|
|
{
|
|
force_exit = 1;
|
|
}
|
|
|
|
#if defined(LWS_HAS_GETOPT_LONG) || defined(WIN32)
|
|
static struct option options[] = {
|
|
{ "help", no_argument, NULL, 'h' },
|
|
{ "debug", required_argument, NULL, 'd' },
|
|
{ "port", required_argument, NULL, 'p' },
|
|
{ "ssl", no_argument, NULL, 's' },
|
|
{ "strict-ssl", no_argument, NULL, 'S' },
|
|
{ "version", required_argument, NULL, 'v' },
|
|
{ "undeflated", no_argument, NULL, 'u' },
|
|
{ "echo", no_argument, NULL, 'e' },
|
|
{ "multi-test", no_argument, NULL, 'm' },
|
|
{ "nomirror", no_argument, NULL, 'n' },
|
|
{ "justmirror", no_argument, NULL, 'j' },
|
|
{ "longlived", no_argument, NULL, 'l' },
|
|
{ "post", no_argument, NULL, 'o' },
|
|
{ "once", no_argument, NULL, 'O' },
|
|
{ "pingpong-secs", required_argument, NULL, 'P' },
|
|
{ "ssl-cert", required_argument, NULL, 'C' },
|
|
{ "ssl-key", required_argument, NULL, 'K' },
|
|
{ "ssl-ca", required_argument, NULL, 'A' },
|
|
#if defined(LWS_WITH_TLS) && defined(LWS_HAVE_SSL_CTX_set1_param)
|
|
{ "ssl-crl", required_argument, NULL, 'R' },
|
|
#endif
|
|
{ NULL, 0, 0, 0 }
|
|
};
|
|
#endif
|
|
|
|
static int ratelimit_connects(unsigned int *last, unsigned int secs)
|
|
{
|
|
struct timeval tv;
|
|
|
|
gettimeofday(&tv, NULL);
|
|
|
|
if (tv.tv_sec - (*last) < secs)
|
|
return 0;
|
|
|
|
*last = tv.tv_sec;
|
|
|
|
return 1;
|
|
}
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
int n = 0, m, ret = 0, port = 7681, use_ssl = 0, ietf_version = -1;
|
|
unsigned int rl_dumb = 0, rl_mirror = 0, do_ws = 1, pp_secs = 0,
|
|
do_multi = 0;
|
|
struct lws_context_creation_info info;
|
|
struct lws_client_connect_info i;
|
|
struct lws_context *context;
|
|
const char *prot, *p;
|
|
char path[300];
|
|
char cert_path[1024] = "";
|
|
char key_path[1024] = "";
|
|
char ca_path[1024] = "";
|
|
unsigned long last = lws_now_secs();
|
|
|
|
memset(&info, 0, sizeof info);
|
|
|
|
lwsl_notice("libwebsockets test client - license MIT\n");
|
|
lwsl_notice("(C) Copyright 2010-2018 Andy Green <andy@warmcat.com>\n");
|
|
|
|
if (argc < 2)
|
|
goto usage;
|
|
|
|
while (n >= 0) {
|
|
#if defined(LWS_HAS_GETOPT_LONG) || defined(WIN32)
|
|
n = getopt_long(argc, argv, "Sjnuv:hsp:d:lC:K:A:P:moeO", options, NULL);
|
|
#else
|
|
n = getopt(argc, argv, "Sjnuv:hsp:d:lC:K:A:P:moeO");
|
|
#endif
|
|
if (n < 0)
|
|
continue;
|
|
switch (n) {
|
|
case 'd':
|
|
lws_set_log_level(atoi(optarg), NULL);
|
|
break;
|
|
case 's': /* lax SSL, allow selfsigned, skip checking hostname */
|
|
use_ssl = LCCSCF_USE_SSL |
|
|
LCCSCF_ALLOW_SELFSIGNED |
|
|
LCCSCF_SKIP_SERVER_CERT_HOSTNAME_CHECK;
|
|
break;
|
|
case 'S': /* Strict SSL, no selfsigned, check server hostname */
|
|
use_ssl = LCCSCF_USE_SSL;
|
|
break;
|
|
case 'p':
|
|
port = atoi(optarg);
|
|
break;
|
|
case 'e':
|
|
flag_echo = 1;
|
|
break;
|
|
case 'P':
|
|
pp_secs = atoi(optarg);
|
|
lwsl_notice("Setting pingpong interval to %d\n", pp_secs);
|
|
break;
|
|
case 'j':
|
|
justmirror = 1;
|
|
break;
|
|
case 'l':
|
|
longlived = 1;
|
|
break;
|
|
case 'v':
|
|
ietf_version = atoi(optarg);
|
|
break;
|
|
case 'u':
|
|
deny_deflate = 1;
|
|
break;
|
|
case 'm':
|
|
do_multi = 1;
|
|
break;
|
|
case 'o':
|
|
test_post = 1;
|
|
break;
|
|
case 'O':
|
|
once = 1;
|
|
break;
|
|
case 'n':
|
|
flag_no_mirror_traffic = 1;
|
|
lwsl_notice("Disabled sending mirror data (for pingpong testing)\n");
|
|
break;
|
|
case 'C':
|
|
lws_strncpy(cert_path, optarg, sizeof(cert_path));
|
|
break;
|
|
case 'K':
|
|
lws_strncpy(key_path, optarg, sizeof(key_path));
|
|
break;
|
|
case 'A':
|
|
lws_strncpy(ca_path, optarg, sizeof(ca_path));
|
|
break;
|
|
|
|
#if defined(LWS_WITH_TLS) && defined(LWS_HAVE_SSL_CTX_set1_param)
|
|
case 'R':
|
|
lws_strncpy(crl_path, optarg, sizeof(crl_path));
|
|
break;
|
|
#endif
|
|
case 'h':
|
|
goto usage;
|
|
}
|
|
}
|
|
|
|
if (optind >= argc)
|
|
goto usage;
|
|
|
|
signal(SIGINT, sighandler);
|
|
|
|
memset(&i, 0, sizeof(i));
|
|
|
|
i.port = port;
|
|
if (lws_parse_uri(argv[optind], &prot, &i.address, &i.port, &p))
|
|
goto usage;
|
|
|
|
/* add back the leading / on path */
|
|
if (p[0] != '/') {
|
|
path[0] = '/';
|
|
lws_strncpy(path + 1, p, sizeof(path) - 1);
|
|
i.path = path;
|
|
} else
|
|
i.path = p;
|
|
|
|
if (!strcmp(prot, "http") || !strcmp(prot, "ws"))
|
|
use_ssl = 0;
|
|
if (!strcmp(prot, "https") || !strcmp(prot, "wss"))
|
|
if (!use_ssl)
|
|
use_ssl = LCCSCF_USE_SSL;
|
|
|
|
lwsl_debug("'%s' %p '%s' %p\n", i.address, i.address, i.path, i.path);
|
|
|
|
/*
|
|
* create the websockets context. This tracks open connections and
|
|
* knows how to route any traffic and which protocol version to use,
|
|
* and if each connection is client or server side.
|
|
*
|
|
* For this client-only demo, we tell it to not listen on any port.
|
|
*/
|
|
|
|
info.port = CONTEXT_PORT_NO_LISTEN;
|
|
info.protocols = protocols;
|
|
info.gid = -1;
|
|
info.uid = -1;
|
|
info.ws_ping_pong_interval = pp_secs;
|
|
info.extensions = exts;
|
|
|
|
/*
|
|
* since we know this lws context is only ever going to be used with
|
|
* a few client wsis / fds / sockets at a time, let lws know it doesn't
|
|
* have to use the default allocations for fd tables up to ulimit -n.
|
|
* It will just allocate for 2 internal and 4 that we might use.
|
|
*/
|
|
info.fd_limit_per_thread = 2 + 4;
|
|
|
|
#if defined(LWS_WITH_TLS)
|
|
info.options |= LWS_SERVER_OPTION_DO_SSL_GLOBAL_INIT;
|
|
#endif
|
|
|
|
info.options |= LWS_SERVER_OPTION_H2_JUST_FIX_WINDOW_UPDATE_OVERFLOW;
|
|
|
|
if (use_ssl) {
|
|
/*
|
|
* If the server wants us to present a valid SSL client certificate
|
|
* then we can set it up here.
|
|
*/
|
|
|
|
if (cert_path[0])
|
|
info.client_ssl_cert_filepath = cert_path;
|
|
if (key_path[0])
|
|
info.client_ssl_private_key_filepath = key_path;
|
|
|
|
/*
|
|
* A CA cert and CRL can be used to validate the cert send by the server
|
|
*/
|
|
if (ca_path[0])
|
|
info.client_ssl_ca_filepath = ca_path;
|
|
|
|
#if defined(LWS_WITH_TLS) && defined(LWS_HAVE_SSL_CTX_set1_param)
|
|
else if (crl_path[0])
|
|
lwsl_notice("WARNING, providing a CRL requires a CA cert!\n");
|
|
#endif
|
|
}
|
|
|
|
if (use_ssl & LCCSCF_USE_SSL) {
|
|
lwsl_notice(" Using SSL\n");
|
|
#if defined(LWS_WITH_MBEDTLS)
|
|
lwsl_notice(" (NOTE: mbedtls needs to be given the remote\n");
|
|
lwsl_notice(" CA cert to trust (with -A) to validate it)\n");
|
|
#endif
|
|
}
|
|
else
|
|
lwsl_notice(" SSL disabled\n");
|
|
if (use_ssl & LCCSCF_ALLOW_SELFSIGNED)
|
|
lwsl_notice(" Selfsigned certs allowed\n");
|
|
else
|
|
lwsl_notice(" Cert must validate correctly (use -s to allow selfsigned)\n");
|
|
if (use_ssl & LCCSCF_SKIP_SERVER_CERT_HOSTNAME_CHECK)
|
|
lwsl_notice(" Skipping peer cert hostname check\n");
|
|
else
|
|
lwsl_notice(" Requiring peer cert hostname matches\n");
|
|
|
|
context = lws_create_context(&info);
|
|
if (context == NULL) {
|
|
fprintf(stderr, "Creating libwebsocket context failed\n");
|
|
return 1;
|
|
}
|
|
|
|
i.context = context;
|
|
i.ssl_connection = use_ssl;
|
|
i.host = i.address;
|
|
i.origin = i.address;
|
|
i.ietf_version_or_minus_one = ietf_version;
|
|
|
|
if (!strcmp(prot, "http") || !strcmp(prot, "https")) {
|
|
lwsl_notice("using %s mode (non-ws)\n", prot);
|
|
if (test_post) {
|
|
i.method = "POST";
|
|
lwsl_notice("POST mode\n");
|
|
}
|
|
else
|
|
i.method = "GET";
|
|
do_ws = 0;
|
|
} else
|
|
if (!strcmp(prot, "raw")) {
|
|
i.method = "RAW";
|
|
i.protocol = "lws-test-raw-client";
|
|
lwsl_notice("using RAW mode connection\n");
|
|
do_ws = 0;
|
|
} else
|
|
lwsl_notice("using %s mode (ws)\n", prot);
|
|
|
|
/*
|
|
* sit there servicing the websocket context to handle incoming
|
|
* packets, and drawing random circles on the mirror protocol websocket
|
|
*
|
|
* nothing happens until the client websocket connection is
|
|
* asynchronously established... calling lws_client_connect() only
|
|
* instantiates the connection logically, lws_service() progresses it
|
|
* asynchronously.
|
|
*/
|
|
|
|
m = 0;
|
|
while (!force_exit) {
|
|
|
|
if (do_multi) {
|
|
for (n = 0; n < (int)LWS_ARRAY_SIZE(wsi_multi); n++) {
|
|
if (!wsi_multi[n] && ratelimit_connects(&rl_multi[n], 2u)) {
|
|
lwsl_notice("dumb %d: connecting\n", n);
|
|
i.protocol = protocols[PROTOCOL_DUMB_INCREMENT].name;
|
|
i.pwsi = &wsi_multi[n];
|
|
lws_client_connect_via_info(&i);
|
|
}
|
|
}
|
|
} else {
|
|
|
|
if (do_ws) {
|
|
if (!flag_echo && !justmirror && !wsi_dumb && ratelimit_connects(&rl_dumb, 2u)) {
|
|
lwsl_notice("dumb: connecting\n");
|
|
i.protocol = protocols[PROTOCOL_DUMB_INCREMENT].name;
|
|
i.pwsi = &wsi_dumb;
|
|
lws_client_connect_via_info(&i);
|
|
}
|
|
|
|
if (!wsi_mirror && ratelimit_connects(&rl_mirror, 2u)) {
|
|
lwsl_notice("mirror: connecting\n");
|
|
i.protocol = protocols[PROTOCOL_LWS_MIRROR].name;
|
|
i.pwsi = &wsi_mirror;
|
|
wsi_mirror = lws_client_connect_via_info(&i);
|
|
}
|
|
} else
|
|
if (!wsi_dumb && ratelimit_connects(&rl_dumb, 2u)) {
|
|
lwsl_notice("http: connecting\n");
|
|
i.pwsi = &wsi_dumb;
|
|
lws_client_connect_via_info(&i);
|
|
}
|
|
}
|
|
|
|
lws_service(context, 500);
|
|
|
|
if (do_multi) {
|
|
m++;
|
|
if (m == 10) {
|
|
m = 0;
|
|
lwsl_notice("doing lws_callback_on_writable_all_protocol\n");
|
|
lws_callback_on_writable_all_protocol(context,
|
|
&protocols[PROTOCOL_DUMB_INCREMENT]);
|
|
}
|
|
}
|
|
|
|
if (flag_echo && lws_now_secs() != last) {
|
|
lwsl_notice("rxb %d, rx_count %d\n", rxb, rx_count);
|
|
last = lws_now_secs();
|
|
}
|
|
}
|
|
|
|
lwsl_err("Exiting\n");
|
|
lws_context_destroy(context);
|
|
|
|
return ret;
|
|
|
|
usage:
|
|
fprintf(stderr, "Usage: libwebsockets-test-client "
|
|
"<server address> [--port=<p>] "
|
|
"[--ssl] [-k] [-v <ver>] "
|
|
"[-d <log bitfield>] [-l]\n");
|
|
return 1;
|
|
}
|