| 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 2 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, but |
| 11 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | * 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, write to the Free Software |
| 17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
| 18 | * USA |
| 19 | */ |
| 20 | /** @file server/cgimain.c |
| 21 | * @brief DisOrder CGI |
| 22 | */ |
| 23 | |
| 24 | #include "disorder-cgi.h" |
| 25 | |
| 26 | int main(int argc, char **argv) { |
| 27 | const char *conf; |
| 28 | |
| 29 | if(argc > 0) |
| 30 | progname = argv[0]; |
| 31 | /* RFC 3875 s8.2 recommends rejecting PATH_INFO if we don't make use of |
| 32 | * it. */ |
| 33 | /* TODO we could make disorder/ACTION equivalent to disorder?action=ACTION */ |
| 34 | if(getenv("PATH_INFO")) { |
| 35 | /* TODO it might be nice to link back to the right place... */ |
| 36 | printf("Content-Type: text/html\n"); |
| 37 | printf("Status: 404\n"); |
| 38 | printf("\n"); |
| 39 | printf("<p>Sorry, PATH_INFO not supported.</p>\n"); |
| 40 | exit(0); |
| 41 | } |
| 42 | /* Parse CGI arguments */ |
| 43 | cgi_init(); |
| 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")) |
| 49 | debugging = 1; |
| 50 | /* Read configuration */ |
| 51 | if(config_read(0/*!server*/)) |
| 52 | exit(EXIT_FAILURE); |
| 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. */ |
| 55 | if(!config->url) |
| 56 | config->url = infer_url(); |
| 57 | /* Pick up the cookie, if there is one */ |
| 58 | dcgi_get_cookie(); |
| 59 | /* Register expansions */ |
| 60 | mx_register_builtin(); |
| 61 | dcgi_expansions(); |
| 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 |
| 70 | * one. */ |
| 71 | dcgi_login(); |
| 72 | /* Do whatever the user wanted */ |
| 73 | dcgi_action(NULL); |
| 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"); |
| 78 | return 0; |
| 79 | } |
| 80 | |
| 81 | /* |
| 82 | Local Variables: |
| 83 | c-basic-offset:2 |
| 84 | comment-column:40 |
| 85 | fill-column:79 |
| 86 | indent-tabs-mode:nil |
| 87 | End: |
| 88 | */ |