main.c

   1 /*
   2  * uhttpd - Tiny single-threaded httpd
   3  *
   4  *   Copyright (C) 2010-2012 Jo-Philipp Wich <xm@subsignal.org>
   5  *   Copyright (C) 2012 Felix Fietkau <nbd@openwrt.org>
   6  *
   7  *  Licensed under the Apache License, Version 2.0 (the "License");
   8  *  you may not use this file except in compliance with the License.
   9  *  You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  *  Unless required by applicable law or agreed to in writing, software
  14  *  distributed under the License is distributed on an "AS IS" BASIS,
  15  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  *  See the License for the specific language governing permissions and
  17  *  limitations under the License.
  18  */
  19
  20 #include <sys/types.h>
  21 #include <sys/socket.h>
  22 #include <netinet/in.h>
  23
  24 #include <getopt.h>
  25 #include <errno.h>
  26 #include <netdb.h>
  27 #include <signal.h>
  28
  29 #include <libubox/usock.h>
  30
  31 #include "uhttpd.h"
  32
  33
  34 static int run_server(void)
  35 {
  36         uloop_init();
  37         uh_setup_listeners();
  38         uloop_run();
  39
  40         return 0;
  41 }
  42
  43 static void add_listener_arg(char *arg, bool tls)
  44 {
  45         char *host = NULL;
  46         char *port = arg;
  47         char *s;
  48
  49         s = strrchr(arg, ':');
  50         if (s) {
  51                 host = arg;
  52                 port = s + 1;
  53                 *s = 0;
  54         }
  55         uh_socket_bind(host, port, tls);
  56 }
  57
  58 static int usage(const char *name)
  59 {
  60         fprintf(stderr, "Usage: %s -p <port>\n", name);
  61         return 1;
  62 }
  63
  64 static void init_defaults(void)
  65 {
  66         conf.network_timeout = 30;
  67         conf.http_keepalive = 0; /* fixme */
  68
  69         uh_index_add("index.html");
  70         uh_index_add("index.htm");
  71         uh_index_add("default.html");
  72         uh_index_add("default.htm");
  73 }
  74
  75 int main(int argc, char **argv)
  76 {
  77         int ch;
  78
  79         init_defaults();
  80         signal(SIGPIPE, SIG_IGN);
  81
  82         while ((ch = getopt(argc, argv, "sp:h:")) != -1) {
  83                 bool tls = false;
  84                 switch(ch) {
  85                 case 's':
  86                         tls = true;
  87                 case 'p':
  88                         add_listener_arg(optarg, tls);
  89                         break;
  90
  91                 case 'h':
  92                         /* docroot */
  93                         if (!realpath(optarg, conf.docroot)) {
  94                                 fprintf(stderr, "Error: Invalid directory %s: %s\n",
  95                                                 optarg, strerror(errno));
  96                                 exit(1);
  97                         }
  98                         break;
  99                 default:
 100                         return usage(argv[0]);
 101                 }
 102         }
 103
 104         return run_server();
 105 }