2 * Copyright (c) 1996-2011 by the citadel.org team
4 * This program is open source software. You can redistribute it and/or
5 * modify it under the terms of the GNU General Public License as
6 * published by the Free Software Foundation; either version 3 of the
7 * License, or (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 #include "webserver.h"
22 #include "modules_init.h"
24 int vsnprintf(char *buf, size_t max, const char *fmt, va_list argp);
27 extern int msock; /* master listening socket */
28 extern char static_icon_dir[PATH_MAX]; /* where should we find our mime icons */
29 int is_https = 0; /* Nonzero if I am an HTTPS service */
30 int follow_xff = 0; /* Follow X-Forwarded-For: header? */
32 char *default_landing_page = NULL;
33 extern pthread_mutex_t SessionListMutex;
34 extern pthread_key_t MyConKey;
36 extern void *housekeeping_loop(void);
37 extern int webcit_tcp_server(char *ip_addr, int port_number, int queue_len);
38 extern int webcit_uds_server(char *sockpath, int queue_len);
39 extern void graceful_shutdown_watcher(int signum);
40 extern void graceful_shutdown(int signum);
41 extern void start_daemon(char *pid_file);
42 extern void webcit_calc_dirs_n_files(int relh, const char *basedir, int home, char *webcitdir, char *relhome);
43 extern void worker_entry(void);
44 extern void drop_root(uid_t UID);
46 char socket_dir[PATH_MAX]; /* where to talk to our citadel server */
47 char *server_cookie = NULL; /* our Cookie connection to the client */
48 int http_port = PORT_NUM; /* Port to listen on */
49 char *ctdlhost = DEFAULT_HOST; /* Host name or IP address of Citadel server */
50 char *ctdlport = DEFAULT_PORT; /* Port number of Citadel server */
51 int setup_wizard = 0; /* should we run the setup wizard? */
52 char wizard_filename[PATH_MAX]; /* location of file containing the last webcit version against which we ran setup wizard */
53 int running_as_daemon = 0; /* should we deamonize on startup? */
55 /* #define DBG_PRINNT_HOOKS_AT_START */
56 #ifdef DBG_PRINNT_HOOKS_AT_START
57 extern HashList *HandlerHash;
58 const char foobuf[32];
59 const char *nix(void *vptr) {snprintf(foobuf, 32, "%0x", (long) vptr); return foobuf;}
61 extern int dbg_analyze_msg;
62 extern int dbg_backtrace_template_errors;
63 extern int DumpTemplateI18NStrings;
64 extern StrBuf *I18nDump;
65 void InitTemplateCache(void);
66 extern int LoadTemplates;
70 * Here's where it all begins.
72 int main(int argc, char **argv)
75 size_t basesize = 2; /* how big should strbufs be on creation? */
76 pthread_t SessThread; /* Thread descriptor */
77 pthread_attr_t attr; /* Thread attributes */
78 int a; /* General-purpose variable */
79 char ip_addr[256]="*";
82 char relhome[PATH_MAX]="";
83 char webcitdir[PATH_MAX] = DATADIR;
86 const char *basedir = NULL;
87 char uds_listen_path[PATH_MAX]; /* listen on a unix domain socket? */
88 const char *I18nDumpFile = NULL;
91 WildFireInitBacktrace(argv[0], 2);
95 #ifdef DBG_PRINNT_HOOKS_AT_START
96 /* dbg_PrintHash(HandlerHash, nix, NULL);*/
99 /* Ensure that we are linked to the correct version of libcitadel */
100 if (libcitadel_version_number() < LIBCITADEL_VERSION_NUMBER) {
101 fprintf(stderr, " You are running libcitadel version %d.%02d\n",
102 (libcitadel_version_number() / 100), (libcitadel_version_number() % 100));
103 fprintf(stderr, "WebCit was compiled against version %d.%02d\n",
104 (LIBCITADEL_VERSION_NUMBER / 100), (LIBCITADEL_VERSION_NUMBER % 100));
108 strcpy(uds_listen_path, "");
110 /* Parse command line */
112 while ((a = getopt(argc, argv, "u:h:i:p:t:T:B:x:g:dD:G:cfsS:Z")) != EOF)
114 while ((a = getopt(argc, argv, "u:h:i:p:t:T:B:x:g:dD:G:cfZ")) != EOF)
121 hdir = strdup(optarg);
124 safestrncpy(webcitdir, hdir, sizeof webcitdir);
127 safestrncpy(relhome, relhome, sizeof relhome);
129 /* free(hdir); TODO: SHOULD WE DO THIS? */
133 running_as_daemon = 1;
136 pidfile = strdup(optarg);
137 running_as_daemon = 1;
140 default_landing_page = strdup(optarg);
142 case 'B': /* Basesize */
143 basesize = atoi(optarg);
145 StartLibCitadel(basesize);
148 safestrncpy(ip_addr, optarg, sizeof ip_addr);
151 http_port = atoi(optarg);
152 if (http_port == 0) {
153 safestrncpy(uds_listen_path, optarg, sizeof uds_listen_path);
157 /* no longer used, but ignored so old scripts don't break */
160 LoadTemplates = atoi(optarg);
161 dbg_analyze_msg = (LoadTemplates && (1<<1)) != 0;
162 dbg_backtrace_template_errors = (LoadTemplates && (1<<2)) != 0;
168 /* no longer used, but ignored so old scripts don't break */
174 server_cookie = malloc(256);
175 if (server_cookie != NULL) {
176 safestrncpy(server_cookie,
177 "Set-cookie: wcserver=",
180 (&server_cookie[strlen(server_cookie)],
182 syslog(2, "gethostname: %s", strerror(errno));
193 ssl_cipher_list = strdup(optarg);
197 DumpTemplateI18NStrings = 1;
198 I18nDump = NewStrBufPlain(HKEY("int templatestrings(void)\n{\n"));
199 I18nDumpFile = optarg;
202 fprintf(stderr, "usage: webcit "
203 "[-i ip_addr] [-p http_port] "
205 "[-T Templatedebuglevel] "
206 "[-d] [-Z] [-G i18ndumpfile] "
208 "[-s] [-S cipher_suites]"
210 "[remotehost [remoteport]]\n");
214 /* Start the logger */
216 ( running_as_daemon ? (LOG_PID) : (LOG_PID | LOG_PERROR) ),
221 ctdlhost = argv[optind];
223 ctdlport = argv[optind];
226 /* daemonize, if we were asked to */
227 if (!DumpTemplateI18NStrings && running_as_daemon) {
228 start_daemon(pidfile);
231 signal(SIGINT, graceful_shutdown);
232 signal(SIGHUP, graceful_shutdown);
235 webcit_calc_dirs_n_files(relh, basedir, home, webcitdir, relhome);
236 LoadIconDir(static_icon_dir);
238 /* Tell 'em who's in da house */
239 syslog(1, "%s", PACKAGE_STRING);
240 syslog(1, "Copyright (C) 1996-2011 by the citadel.org team");
242 syslog(1, "This program is open source software: you can redistribute it and/or");
243 syslog(1, "modify it under the terms of the GNU General Public License as published");
244 syslog(1, "by the Free Software Foundation, either version 3 of the License, or");
245 syslog(1, "(at your option) any later version.");
247 syslog(1, "This program is distributed in the hope that it will be useful,");
248 syslog(1, "but WITHOUT ANY WARRANTY; without even the implied warranty of");
249 syslog(1, "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the");
250 syslog(1, "GNU General Public License for more details.");
252 syslog(1, "You should have received a copy of the GNU General Public License");
253 syslog(1, "along with this program. If not, see <http://www.gnu.org/licenses/>.");
257 /* initialize various subsystems */
259 initialise_modules();
261 if (DumpTemplateI18NStrings) {
263 StrBufAppendBufPlain(I18nDump, HKEY("}\n"), 0);
264 if (StrLength(I18nDump) < 50) {
265 syslog(1, "*******************************************************************\n");
266 syslog(1, "* No strings found in templates! Are you sure they're there? *\n");
267 syslog(1, "*******************************************************************\n");
270 fd = fopen(I18nDumpFile, "w");
272 syslog(1, "***********************************************\n");
273 syslog(1, "* unable to open I18N dumpfile [%s] *\n", I18nDumpFile);
274 syslog(1, "***********************************************\n");
277 rv = fwrite(ChrPtr(I18nDump), 1, StrLength(I18nDump), fd);
282 /* Tell libical to return an error instead of aborting if it sees badly formed iCalendar data. */
283 icalerror_errors_are_fatal = 0;
285 /* Use our own prefix on tzid's generated from system tzdata */
286 icaltimezone_set_tzid_prefix("/citadel.org/");
289 * Set up a place to put thread-specific data.
290 * We only need a single pointer per thread - it points to the
291 * wcsession struct to which the thread is currently bound.
293 if (pthread_key_create(&MyConKey, NULL) != 0) {
294 syslog(1, "Can't create TSD key: %s", strerror(errno));
296 InitialiseSemaphores();
299 * Set up a place to put thread-specific SSL data.
300 * We don't stick this in the wcsession struct because SSL starts
301 * up before the session is bound, and it gets torn down between
305 if (pthread_key_create(&ThreadSSL, NULL) != 0) {
306 syslog(1, "Can't create TSD key: %s", strerror(errno));
311 * Bind the server to our favorite port.
312 * There is no need to check for errors, because webcit_tcp_server()
313 * exits if it doesn't succeed.
316 if (!IsEmptyStr(uds_listen_path)) {
317 syslog(2, "Attempting to create listener socket at %s...", uds_listen_path);
318 msock = webcit_uds_server(uds_listen_path, LISTEN_QUEUE_LENGTH);
321 syslog(2, "Attempting to bind to port %d...", http_port);
322 msock = webcit_tcp_server(ip_addr, http_port, LISTEN_QUEUE_LENGTH);
330 syslog(2, "Listening on socket %d", msock);
331 signal(SIGPIPE, SIG_IGN);
333 pthread_mutex_init(&SessionListMutex, NULL);
336 * Start up the housekeeping thread
338 pthread_attr_init(&attr);
339 pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
340 pthread_create(&SessThread, &attr, (void *(*)(void *)) housekeeping_loop, NULL);
343 * If this is an HTTPS server, fire up SSL
352 /* Become a worker thread. More worker threads will be spawned as they are needed. */
354 ShutDownLibCitadel();