c43e99fd14
To replace the libevent embedded in ntp, for OpenSSL 1.1.1 compat. Approved by: re (gjb)
198 lines
4.9 KiB
C
198 lines
4.9 KiB
C
/*
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* Copyright 2008-2012 Niels Provos and Nick Mathewson
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include <sys/types.h>
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#include <sys/stat.h>
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#ifdef _WIN32
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#include <winsock2.h>
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#else
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#include <sys/socket.h>
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#include <sys/resource.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 <fcntl.h>
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#include <signal.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <errno.h>
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#include "event2/event.h"
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#include "event2/buffer.h"
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#include "event2/util.h"
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#include "event2/http.h"
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#include "event2/thread.h"
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static void http_basic_cb(struct evhttp_request *req, void *arg);
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static char *content;
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static size_t content_len = 0;
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static void
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http_basic_cb(struct evhttp_request *req, void *arg)
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{
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struct evbuffer *evb = evbuffer_new();
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evbuffer_add(evb, content, content_len);
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/* allow sending of an empty reply */
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evhttp_send_reply(req, HTTP_OK, "Everything is fine", evb);
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evbuffer_free(evb);
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}
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#if LIBEVENT_VERSION_NUMBER >= 0x02000200
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static void
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http_ref_cb(struct evhttp_request *req, void *arg)
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{
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struct evbuffer *evb = evbuffer_new();
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evbuffer_add_reference(evb, content, content_len, NULL, NULL);
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/* allow sending of an empty reply */
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evhttp_send_reply(req, HTTP_OK, "Everything is fine", evb);
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evbuffer_free(evb);
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}
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#endif
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int
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main(int argc, char **argv)
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{
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struct event_config *cfg = event_config_new();
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struct event_base *base;
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struct evhttp *http;
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int i;
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int c;
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int use_iocp = 0;
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ev_uint16_t port = 8080;
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char *endptr = NULL;
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#ifdef _WIN32
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WSADATA WSAData;
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WSAStartup(0x101, &WSAData);
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#else
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if (signal(SIGPIPE, SIG_IGN) == SIG_ERR)
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return (1);
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#endif
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for (i = 1; i < argc; ++i) {
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if (*argv[i] != '-')
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continue;
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c = argv[i][1];
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if ((c == 'p' || c == 'l') && i + 1 >= argc) {
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fprintf(stderr, "-%c requires argument.\n", c);
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exit(1);
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}
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switch (c) {
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case 'p':
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if (i+1 >= argc || !argv[i+1]) {
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fprintf(stderr, "Missing port\n");
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exit(1);
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}
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port = (int)strtol(argv[i+1], &endptr, 10);
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if (*endptr != '\0') {
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fprintf(stderr, "Bad port\n");
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exit(1);
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}
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break;
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case 'l':
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if (i+1 >= argc || !argv[i+1]) {
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fprintf(stderr, "Missing content length\n");
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exit(1);
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}
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content_len = (size_t)strtol(argv[i+1], &endptr, 10);
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if (*endptr != '\0' || content_len == 0) {
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fprintf(stderr, "Bad content length\n");
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exit(1);
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}
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break;
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#ifdef _WIN32
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case 'i':
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use_iocp = 1;
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#ifdef EVTHREAD_USE_WINDOWS_THREADS_IMPLEMENTED
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evthread_use_windows_threads();
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#endif
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event_config_set_flag(cfg,EVENT_BASE_FLAG_STARTUP_IOCP);
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break;
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#endif
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default:
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fprintf(stderr, "Illegal argument \"%c\"\n", c);
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exit(1);
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}
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}
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base = event_base_new_with_config(cfg);
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if (!base) {
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fprintf(stderr, "creating event_base failed. Exiting.\n");
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return 1;
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}
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http = evhttp_new(base);
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content = malloc(content_len);
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if (content == NULL) {
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fprintf(stderr, "Cannot allocate content\n");
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exit(1);
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} else {
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int i = 0;
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for (i = 0; i < (int)content_len; ++i)
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content[i] = (i & 255);
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}
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evhttp_set_cb(http, "/ind", http_basic_cb, NULL);
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fprintf(stderr, "/ind - basic content (memory copy)\n");
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evhttp_set_cb(http, "/ref", http_ref_cb, NULL);
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fprintf(stderr, "/ref - basic content (reference)\n");
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fprintf(stderr, "Serving %d bytes on port %d using %s\n",
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(int)content_len, port,
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use_iocp? "IOCP" : event_base_get_method(base));
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evhttp_bind_socket(http, "0.0.0.0", port);
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#ifdef _WIN32
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if (use_iocp) {
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struct timeval tv={99999999,0};
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event_base_loopexit(base, &tv);
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}
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#endif
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event_base_dispatch(base);
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#ifdef _WIN32
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WSACleanup();
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#endif
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/* NOTREACHED */
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return (0);
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}
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