chiark / gitweb /
Merge branch 'master' of git.distorted.org.uk:~mdw/publish/public-git/disorder
[disorder] / cgi / cgimain.c
... / ...
CommitLineData
1/*
2 * This file is part of DisOrder.
3 * Copyright (C) 2004, 2005, 2007, 2008 Richard Kettlewell
4 *
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.
9 *
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.
14 *
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/>.
17 */
18/** @file cgi/cgimain.c
19 * @brief DisOrder CGI
20 */
21
22#include "disorder-cgi.h"
23
24int main(int argc, char **argv) {
25 const char *conf;
26
27 if(argc > 0)
28 progname = argv[0];
29 /* RFC 3875 s8.2 recommends rejecting PATH_INFO if we don't make use of
30 * it. */
31 if(!setlocale(LC_CTYPE, "")) disorder_error(errno, "error calling setlocale");
32 /* TODO we could make disorder/ACTION equivalent to disorder?action=ACTION */
33 if(getenv("PATH_INFO")) {
34 /* TODO it might be nice to link back to the right place... */
35 printf("Content-Type: text/html; charset=UTF-8\n");
36 printf("Status: 404\n");
37 printf("\n");
38 printf("<p>Sorry, is PATH_INFO not supported."
39 "<a href=\"%s\">Try here instead.</a></p>\n",
40 cgi_sgmlquote(infer_url(0/*!include_path_info*/)));
41 exit(0);
42 }
43 /* Parse CGI arguments */
44 cgi_init();
45 /* We allow various things to be overridden from the environment. This is
46 * intended for debugging and is not a documented feature. */
47 if((conf = getenv("DISORDER_CONFIG")))
48 configfile = xstrdup(conf);
49 if(getenv("DISORDER_DEBUG"))
50 debugging = 1;
51 /* Read configuration */
52 if(config_read(0/*!server*/, NULL))
53 exit(EXIT_FAILURE);
54 /* Figure out our URL. This can still be overridden from the config file if
55 * necessary but it shouldn't be necessary in ordinary installations. */
56 if(!config->url)
57 config->url = infer_url(1/*include_path_info*/);
58 /* Pick up the cookie, if there is one */
59 dcgi_get_cookie();
60 /* Register expansions */
61 mx_register_builtin();
62 dcgi_expansions();
63 /* Update search path. We look in the config directory first and the data
64 * directory second, so that the latter overrides the former. */
65 mx_search_path(pkgconfdir);
66 mx_search_path(pkgdatadir);
67 /* Never cache anythging */
68 if(printf("Cache-Control: no-cache\n") < 0)
69 disorder_fatal(errno, "error writing to stdout");
70 /* Create the initial connection, trying the cookie if we found a suitable
71 * one. */
72 dcgi_login();
73 /* Do whatever the user wanted */
74 dcgi_action(NULL);
75 /* In practice if a write fails that probably means the web server went away,
76 * but we log it anyway. */
77 if(fclose(stdout) < 0)
78 disorder_fatal(errno, "error closing stdout");
79 return 0;
80}
81
82/*
83Local Variables:
84c-basic-offset:2
85comment-column:40
86fill-column:79
87indent-tabs-mode:nil
88End:
89*/