2 * This file is part of DisOrder.
3 * Copyright (C) 2004, 2005, 2007, 2008 Richard Kettlewell
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 /** @file cgi/cgimain.c
22 #include "disorder-cgi.h"
24 int main(int argc, char **argv) {
29 /* RFC 3875 s8.2 recommends rejecting PATH_INFO if we don't make use of
31 /* TODO we could make disorder/ACTION equivalent to disorder?action=ACTION */
32 if(getenv("PATH_INFO")) {
33 /* TODO it might be nice to link back to the right place... */
34 printf("Content-Type: text/html; charset=UTF-8\n");
35 printf("Status: 404\n");
37 printf("<p>Sorry, is PATH_INFO not supported."
38 "<a href=\"%s\">Try here instead.</a></p>\n",
39 cgi_sgmlquote(infer_url(0/*!include_path_info*/)));
42 /* Parse CGI arguments */
44 /* We allow various things to be overridden from the environment. This is
45 * intended for debugging and is not a documented feature. */
46 if((conf = getenv("DISORDER_CONFIG")))
47 configfile = xstrdup(conf);
48 if(getenv("DISORDER_DEBUG"))
50 /* Read configuration */
51 if(config_read(0/*!server*/))
53 /* Figure out our URL. This can still be overridden from the config file if
54 * necessary but it shouldn't be necessary in ordinary installations. */
56 config->url = infer_url(1/*include_path_info*/);
57 /* Pick up the cookie, if there is one */
59 /* Register expansions */
60 mx_register_builtin();
62 /* Update search path. We look in the config directory first and the data
63 * directory second, so that the latter overrides the former. */
64 mx_search_path(pkgconfdir);
65 mx_search_path(pkgdatadir);
66 /* Never cache anythging */
67 if(printf("Cache-Control: no-cache\n") < 0)
68 fatal(errno, "error writing to stdout");
69 /* Create the initial connection, trying the cookie if we found a suitable
72 /* Do whatever the user wanted */
74 /* In practice if a write fails that probably means the web server went away,
75 * but we log it anyway. */
76 if(fclose(stdout) < 0)
77 fatal(errno, "error closing stdout");