2 * uhttpd - Tiny single-threaded httpd
4 * Copyright (C) 2010-2012 Jo-Philipp Wich <xm@subsignal.org>
5 * Copyright (C) 2012 Felix Fietkau <nbd@openwrt.org>
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
11 * http://www.apache.org/licenses/LICENSE-2.0
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.
20 #include <sys/types.h>
21 #include <sys/socket.h>
22 #include <netinet/in.h>
29 #include <libubox/usock.h>
34 static int run_server(void)
43 static void uh_config_parse(void)
45 const char *path = conf.file;
53 path = "/etc/httpd.conf";
59 memset(line, 0, sizeof(line));
61 while (fgets(line, sizeof(line) - 1, c)) {
62 if ((line[0] == '/') && (strchr(line, ':') != NULL)) {
63 if (!(col1 = strchr(line, ':')) || (*col1++ = 0) ||
64 !(col2 = strchr(col1, ':')) || (*col2++ = 0) ||
65 !(eol = strchr(col2, '\n')) || (*eol++ = 0))
68 uh_auth_add(line, col1, col2);
69 } else if (!strncmp(line, "I:", 2)) {
70 if (!(col1 = strchr(line, ':')) || (*col1++ = 0) ||
71 !(eol = strchr(col1, '\n')) || (*eol++ = 0))
74 uh_index_add(strdup(col1));
75 } else if (!strncmp(line, "E404:", 5)) {
76 if (!(col1 = strchr(line, ':')) || (*col1++ = 0) ||
77 !(eol = strchr(col1, '\n')) || (*eol++ = 0))
80 conf.error_handler = strdup(col1);
83 else if ((line[0] == '*') && (strchr(line, ':') != NULL)) {
84 if (!(col1 = strchr(line, '*')) || (*col1++ = 0) ||
85 !(col2 = strchr(col1, ':')) || (*col2++ = 0) ||
86 !(eol = strchr(col2, '\n')) || (*eol++ = 0))
89 if (!uh_interpreter_add(col1, col2))
91 "Unable to add interpreter %s for extension %s: "
92 "Out of memory\n", col2, col1
101 static void add_listener_arg(char *arg, bool tls)
107 s = strrchr(arg, ':');
113 uh_socket_bind(host, port, tls);
116 static int usage(const char *name)
118 fprintf(stderr, "Usage: %s -p <port>\n", name);
122 static void init_defaults(void)
124 conf.network_timeout = 30;
125 conf.http_keepalive = 0; /* fixme */
126 conf.max_requests = 3;
128 uh_index_add("index.html");
129 uh_index_add("index.htm");
130 uh_index_add("default.html");
131 uh_index_add("default.htm");
134 int main(int argc, char **argv)
142 signal(SIGPIPE, SIG_IGN);
144 while ((ch = getopt(argc, argv, "fSDRC:K:E:I:p:s:h:c:l:L:d:r:m:n:x:i:t:T:A:u:U:")) != -1) {
152 add_listener_arg(optarg, tls);
156 if (!realpath(optarg, conf.docroot)) {
157 fprintf(stderr, "Error: Invalid directory %s: %s\n",
158 optarg, strerror(errno));
164 if (optarg[0] != '/') {
165 fprintf(stderr, "Error: Invalid error handler: %s\n",
169 conf.error_handler = optarg;
173 if (optarg[0] == '/') {
174 fprintf(stderr, "Error: Invalid index page: %s\n",
178 uh_index_add(optarg);
182 conf.no_symlinks = 1;
186 conf.no_dirlists = 1;
190 conf.rfc1918_filter = 1;
194 conf.max_requests = atoi(optarg);
198 conf.script_timeout = atoi(optarg);
202 conf.network_timeout = atoi(optarg);
206 conf.tcp_keepalive = atoi(optarg);
214 port = alloca(strlen(optarg) + 1);
218 /* "decode" plus to space to retain compat */
219 for (opt = 0; optarg[opt]; opt++)
220 if (optarg[opt] == '+')
223 /* opt now contains strlen(optarg) -- no need to re-scan */
224 if (uh_urldecode(port, opt, optarg, opt) < 0) {
225 fprintf(stderr, "uhttpd: invalid encoding\n");
232 /* basic auth realm */
239 printf("%s\n", crypt(optarg, "$1$"));
249 return usage(argv[0]);
255 /* fork (if not disabled) */
267 cur_fd = open("/dev/null", O_WRONLY);