1 // Copyright (c) 1996-2024 by the citadel.org team
3 // This program is open source software. Use, duplication, or disclosure
4 // is subject to the terms of the GNU General Public License version 3.
8 #include "modules_init.h"
10 extern int msock; /* master listening socket */
11 extern char static_icon_dir[PATH_MAX]; /* where should we find our mime icons */
12 int is_https = 0; /* Nonzero if I am an HTTPS service */
13 int follow_xff = 0; /* Follow X-Forwarded-For: header? */
15 char *default_landing_page = NULL;
16 extern pthread_mutex_t SessionListMutex;
18 extern void *housekeeping_loop(void);
19 extern int webcit_tcp_server(char *ip_addr, int port_number, int queue_len);
20 extern int webcit_uds_server(char *sockpath, int queue_len);
21 extern void graceful_shutdown_watcher(int signum);
22 extern void graceful_shutdown(int signum);
23 extern void start_daemon(char *pid_file);
24 extern void webcit_calc_dirs_n_files(int relh, const char *basedir, int home, char *webcitdir, char *relhome);
25 extern void worker_entry(void);
26 extern void drop_root(uid_t UID);
28 char socket_dir[PATH_MAX]; /* where to talk to our citadel server */
29 char *server_cookie = NULL; /* our Cookie connection to the client */
30 int http_port = PORT_NUM; /* Port to listen on */
31 int running_as_daemon = 0; /* should we deamonize on startup? */
32 char *ctdl_dir = DEFAULT_CTDLDIR; /* Directory where Citadel Server is running */
34 /* #define DBG_PRINNT_HOOKS_AT_START */
35 #ifdef DBG_PRINNT_HOOKS_AT_START
36 extern HashList *HandlerHash;
37 const char foobuf[32];
38 const char *nix(void *vptr) {snprintf(foobuf, 32, "%0x", (long) vptr); return foobuf;}
41 extern int dbg_analyze_msg;
42 extern int dbg_backtrace_template_errors;
43 extern int DumpTemplateI18NStrings;
44 extern StrBuf *I18nDump;
45 void InitTemplateCache(void);
46 extern int LoadTemplates;
48 void LoadMimeBlacklist(void);
51 * Here's where it all begins.
53 int main(int argc, char **argv) {
55 pthread_t SessThread; /* Thread descriptor */
56 pthread_attr_t attr; /* Thread attributes */
57 int a; /* General-purpose variable */
58 char ip_addr[256]="*";
61 char relhome[PATH_MAX]="";
62 char webcitdir[PATH_MAX] = DATADIR;
65 const char *basedir = NULL;
66 char uds_listen_path[PATH_MAX]; /* listen on a unix domain socket? */
67 const char *I18nDumpFile = NULL;
68 int max_log_level = LOG_INFO;
70 WildFireInitBacktrace(argv[0], 2);
74 #ifdef DBG_PRINNT_HOOKS_AT_START
75 /* dbg_PrintHash(HandlerHash, nix, NULL);*/
78 /* Ensure that we are linked to the correct version of libcitadel */
79 if (libcitadel_version_number() < LIBCITADEL_VERSION_NUMBER) {
80 fprintf(stderr, " You are running libcitadel version %d\n", libcitadel_version_number() );
81 fprintf(stderr, "WebCit was compiled against version %d\n", LIBCITADEL_VERSION_NUMBER );
85 strcpy(uds_listen_path, "");
87 /* Parse command line */
89 while ((a = getopt(argc, argv, "u:h:i:p:t:T:B:x:g:dD:G:cfsS:Z:v:")) != EOF)
91 while ((a = getopt(argc, argv, "u:h:i:p:t:T:B:x:g:dD:G:cfZ:v:")) != EOF)
98 hdir = strdup(optarg);
101 safestrncpy(webcitdir, hdir, sizeof webcitdir);
104 safestrncpy(relhome, relhome, sizeof relhome);
109 running_as_daemon = 1;
112 pidfile = strdup(optarg);
113 running_as_daemon = 1;
116 default_landing_page = strdup(optarg);
118 case 'B': /* deprecated */
121 safestrncpy(ip_addr, optarg, sizeof ip_addr);
124 http_port = atoi(optarg);
125 if (http_port == 0) {
126 safestrncpy(uds_listen_path, optarg, sizeof uds_listen_path);
130 /* no longer used, but ignored so old scripts don't break */
133 LoadTemplates = atoi(optarg);
134 dbg_analyze_msg = (LoadTemplates & (1<<1)) != 0;
135 dbg_backtrace_template_errors = (LoadTemplates & (1<<2)) != 0;
141 max_log_level = atoi(optarg);
147 server_cookie = malloc(256);
148 if (server_cookie != NULL) {
149 safestrncpy(server_cookie, "Set-cookie: wcserver=", 256);
150 if (gethostname (&server_cookie[strlen(server_cookie)], 200) != 0) {
151 syslog(LOG_INFO, "gethostname: %s", strerror(errno));
162 ssl_cipher_list = strdup(optarg);
166 DumpTemplateI18NStrings = 1;
167 I18nDump = NewStrBufPlain(HKEY("int templatestrings(void)\n{\n"));
168 I18nDumpFile = optarg;
174 fprintf(stderr, "usage:\nwebcit "
175 "[-i ip_addr] [-p http_port] "
177 "[-T Templatedebuglevel] "
178 "[-d] [-Z] [-G i18ndumpfile] "
179 "[-u uid] [-h homedirectory] "
180 "[-D daemonizepid] [-v] "
181 "[-g defaultlandingpage] "
183 "[-s] [-S cipher_suites]"
185 "[citadel_server_directory]\n");
189 /* Start the logger */
190 setlogmask(LOG_UPTO(max_log_level));
192 ( running_as_daemon ? (LOG_PID) : (LOG_PID | LOG_PERROR) ),
196 while (optind < argc) {
197 ctdl_dir = strdup(argv[optind]);
201 /* daemonize, if we were asked to */
202 if (!DumpTemplateI18NStrings && running_as_daemon) {
203 start_daemon(pidfile);
206 signal(SIGINT, graceful_shutdown);
207 signal(SIGHUP, graceful_shutdown);
210 webcit_calc_dirs_n_files(relh, basedir, home, webcitdir, relhome);
212 LoadIconDir(static_icon_dir);
214 /* Tell 'em who's in da house */
215 syslog(LOG_NOTICE, "%s", PACKAGE_STRING);
216 syslog(LOG_NOTICE, "Copyright (C) 1996-2024 by the citadel.org team");
217 syslog(LOG_NOTICE, " ");
218 syslog(LOG_NOTICE, "This program is open source software. Use, duplication, or disclosure");
219 syslog(LOG_NOTICE, "is subject to the terms of the GNU General Public License, version 3.");
220 syslog(LOG_NOTICE, " ");
222 /* run from the webcit home directory */
223 if (chdir(webcitdir) != 0) {
224 syslog(LOG_ERR, "webcit: %s: %m", webcitdir);
228 /* initialize various subsystems */
229 initialise_modules();
230 initialise2_modules();
232 if (DumpTemplateI18NStrings) {
234 StrBufAppendBufPlain(I18nDump, HKEY("}\n"), 0);
235 if (StrLength(I18nDump) < 50) {
236 syslog(LOG_INFO, "*******************************************************************\n");
237 syslog(LOG_INFO, "* No strings found in templates! Are you sure they're there? *\n");
238 syslog(LOG_INFO, "*******************************************************************\n");
241 fd = fopen(I18nDumpFile, "w");
243 syslog(LOG_INFO, "***********************************************\n");
244 syslog(LOG_INFO, "* unable to open I18N dumpfile [%s] *\n", I18nDumpFile);
245 syslog(LOG_INFO, "***********************************************\n");
248 fwrite(ChrPtr(I18nDump), 1, StrLength(I18nDump), fd);
253 /* Tell libical to return an error instead of aborting if it sees badly formed iCalendar data. */
255 #ifdef LIBICAL_ICAL_EXPORT // cheap and sleazy way to detect libical >=2.0
256 icalerror_set_errors_are_fatal(0);
258 icalerror_errors_are_fatal = 0;
261 /* Use our own prefix on tzid's generated from system tzdata */
262 icaltimezone_set_tzid_prefix("/citadel.org/");
265 * Set up a place to put thread-specific data.
266 * We only need a single pointer per thread - it points to the
267 * wcsession struct to which the thread is currently bound.
269 if (pthread_key_create(&MyConKey, NULL) != 0) {
270 syslog(LOG_ERR, "Can't create TSD key: %s", strerror(errno));
272 InitialiseSemaphores();
275 * Set up a place to put thread-specific SSL data.
276 * We don't stick this in the wcsession struct because SSL starts
277 * up before the session is bound, and it gets torn down between
281 if (pthread_key_create(&ThreadSSL, NULL) != 0) {
282 syslog(LOG_ERR, "Can't create TSD key: %s", strerror(errno));
287 * Bind the server to our favorite port.
288 * There is no need to check for errors, because webcit_tcp_server()
289 * exits if it doesn't succeed.
292 if (!IsEmptyStr(uds_listen_path)) {
293 syslog(LOG_DEBUG, "Attempting to create listener socket at %s...", uds_listen_path);
294 msock = webcit_uds_server(uds_listen_path, LISTEN_QUEUE_LENGTH);
297 syslog(LOG_DEBUG, "Attempting to bind to port %d...", http_port);
298 msock = webcit_tcp_server(ip_addr, http_port, LISTEN_QUEUE_LENGTH);
306 syslog(LOG_INFO, "Listening on socket %d", msock);
307 signal(SIGPIPE, SIG_IGN);
309 pthread_mutex_init(&SessionListMutex, NULL);
311 // Start up the housekeeping thread
312 pthread_attr_init(&attr);
313 pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
314 pthread_create(&SessThread, &attr, (void *(*)(void *)) housekeeping_loop, NULL);
316 // If this is an HTTPS server, fire up SSL
324 // Become a worker thread. More worker threads will be spawned as they are needed.
326 ShutDownLibCitadel();