/*
* This file is part of DisOrder.
- * Copyright (C) 2004, 2005, 2007 Richard Kettlewell
+ * Copyright (C) 2004, 2005, 2007, 2008 Richard Kettlewell
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*/
-
-#include <config.h>
-#include "types.h"
-
-#include <stdio.h>
-#include <errno.h>
-#include <stdlib.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <locale.h>
-#include <string.h>
-#include <stdarg.h>
-
-#include "client.h"
-#include "sink.h"
-#include "cgi.h"
-#include "mem.h"
-#include "log.h"
-#include "configuration.h"
-#include "disorder.h"
-#include "api-client.h"
-#include "mime.h"
-#include "printf.h"
-#include "dcgi.h"
-
-/** @brief Infer the base URL for the web interface if it's not set
- *
- * See <a href="http://tools.ietf.org/html/rfc3875">RFC 3875</a>.
+/** @file server/cgimain.c
+ * @brief DisOrder CGI
*/
-static void infer_url(void) {
- if(!config->url) {
- const char *scheme = "http", *server, *script, *e;
- int port;
- /* Figure out the server. 'MUST' be set and we don't cope if it
- * is not. */
- if(!(server = getenv("SERVER_NAME")))
- fatal(0, "SERVER_NAME is not set");
- server = xstrdup(server);
-
- /* Figure out the port. 'MUST' be set but we cope if it is not. */
- if((e = getenv("SERVER_PORT")))
- port = atoi(e);
- else
- port = 80;
-
- /* Figure out path to ourselves */
- if(!(script = getenv("SCRIPT_NAME")))
- fatal(0, "SCRIPT_NAME is not set");
- if(script[0] != '/')
- fatal(0, "SCRIPT_NAME does not start with a '/'");
- script = xstrdup(script);
-
- if(port == 80)
- byte_xasprintf(&config->url, "%s://%s%s",
- scheme, server, script);
- else
- byte_xasprintf(&config->url, "%s://%s:%d%s",
- scheme, server, port, script);
- }
-}
+#include "disorder-cgi.h"
int main(int argc, char **argv) {
- const char *cookie_env, *conf;
- dcgi_global g;
- dcgi_state s;
- cgi_sink output;
- int n;
- struct cookiedata cd;
+ const char *conf;
- if(argc > 0) progname = argv[0];
- cgi_parse();
- if((conf = getenv("DISORDER_CONFIG"))) configfile = xstrdup(conf);
- if(getenv("DISORDER_DEBUG")) debugging = 1;
- if(config_read(0)) exit(EXIT_FAILURE);
- infer_url();
- memset(&g, 0, sizeof g);
- memset(&s, 0, sizeof s);
- s.g = &g;
- g.client = disorder_get_client();
- output.quote = 1;
- output.sink = sink_stdio("stdout", stdout);
- /* See if there's a cookie */
- cookie_env = getenv("HTTP_COOKIE");
- if(cookie_env) {
- /* This will be an HTTP header */
- if(!parse_cookie(cookie_env, &cd)) {
- for(n = 0; n < cd.ncookies
- && strcmp(cd.cookies[n].name, "disorder"); ++n)
- ;
- if(n < cd.ncookies)
- login_cookie = cd.cookies[n].value;
- }
+ if(argc > 0)
+ progname = argv[0];
+ /* RFC 3875 s8.2 recommends rejecting PATH_INFO if we don't make use of
+ * it. */
+ /* TODO we could make disorder/ACTION equivalent to disorder?action=ACTION */
+ if(getenv("PATH_INFO")) {
+ /* TODO it might be nice to link back to the right place... */
+ printf("Content-Type: text/html\n");
+ printf("Status: 404\n");
+ printf("\n");
+ printf("<p>Sorry, PATH_INFO not supported.</p>\n");
+ exit(0);
}
- disorder_cgi_login(&s, &output);
- /* TODO RFC 3875 s8.2 recommendations e.g. concerning PATH_INFO */
- disorder_cgi(&output, &s);
- if(fclose(stdout) < 0) fatal(errno, "error closing stdout");
+ /* Parse CGI arguments */
+ cgi_init();
+ /* We allow various things to be overridden from the environment. This is
+ * intended for debugging and is not a documented feature. */
+ if((conf = getenv("DISORDER_CONFIG")))
+ configfile = xstrdup(conf);
+ if(getenv("DISORDER_DEBUG"))
+ debugging = 1;
+ /* Read configuration */
+ if(config_read(0/*!server*/))
+ exit(EXIT_FAILURE);
+ /* Figure out our URL. This can still be overridden from the config file if
+ * necessary but it shouldn't be necessary in ordinary installations. */
+ if(!config->url)
+ config->url = infer_url();
+ /* Pick up the cookie, if there is one */
+ dcgi_get_cookie();
+ /* Register expansions */
+ mx_register_builtin();
+ dcgi_expansions();
+ /* Update search path. We look in the config directory first and the data
+ * directory second, so that the latter overrides the former. */
+ mx_search_path(pkgconfdir);
+ mx_search_path(pkgdatadir);
+ /* Never cache anythging */
+ if(printf("Cache-Control: no-cache\n") < 0)
+ fatal(errno, "error writing to stdout");
+ /* Create the initial connection, trying the cookie if we found a suitable
+ * one. */
+ dcgi_login();
+ /* Do whatever the user wanted */
+ dcgi_action(NULL);
+ /* In practice if a write fails that probably means the web server went away,
+ * but we log it anyway. */
+ if(fclose(stdout) < 0)
+ fatal(errno, "error closing stdout");
return 0;
}
Local Variables:
c-basic-offset:2
comment-column:40
+fill-column:79
+indent-tabs-mode:nil
End:
*/