2 * citserver's main() function lives here.
4 * Copyright (c) 1987-2013 by the citadel.org team
6 * This program is open source software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 3.
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.
15 #include <sys/types.h>
17 #include <libcitadel.h>
19 #include "citserver.h"
20 #include "svn_revision.h"
21 #include "modules_init.h"
24 #include "serv_extensions.h"
25 #include "citadel_dirs.h"
28 const char *CitadelServiceUDS="citadel-UDS";
29 const char *CitadelServiceTCP="citadel-TCP";
33 void go_threading(void);
36 * Here's where it all begins.
38 int main(int argc, char **argv)
42 int a; /* General-purpose variables */
43 struct passwd pw, *pwp = NULL;
45 int drop_root_perms = 1;
49 char relhome[PATH_MAX]="";
50 char ctdldir[PATH_MAX]=CTDLDIR;
51 int syslog_facility = LOG_DAEMON;
52 const char *eDebuglist[] = {NULL, NULL};
54 struct stat filestats;
57 eCrashParameters params;
58 // eCrashSymbolTable symbol_table;
61 /* initialize the master context */
63 InitializeMasterTSD();
65 /* parse command-line arguments */
66 while ((a=getopt(argc, argv, "l:dh:x:t:B:Dr")) != EOF) switch(a) {
69 safestrncpy(facility, optarg, sizeof(facility));
70 syslog_facility = SyslogFacility(facility);
73 /* run in the background if -d was specified */
75 running_as_daemon = 1;
79 relh = optarg[0] != '/';
81 safestrncpy(ctdl_home_directory, optarg, sizeof ctdl_home_directory);
84 safestrncpy(relhome, optarg, sizeof relhome);
90 eDebuglist [0] = optarg;
93 case 't': /* deprecated */
95 case 'B': /* Basesize */
96 basesize = atoi(optarg);
103 /* -r tells the server not to drop root permissions.
104 * Don't use this unless you know what you're doing.
111 /* any other parameter makes it crash and burn */
112 fprintf(stderr, "citserver: usage: "
120 StartLibCitadel(basesize);
122 ( running_as_daemon ? (LOG_PID) : (LOG_PID | LOG_PERROR) ),
126 calc_dirs_n_files(relh, home, relhome, ctdldir, dbg);
127 /* daemonize, if we were asked to */
128 if (running_as_daemon) {
133 #ifdef HAVE_BACKTRACE
134 bzero(¶ms, sizeof(params));
135 params.filename = file_pid_paniclog;
136 panic_fd=open(file_pid_paniclog, O_APPEND|O_CREAT|O_DIRECT);
137 params.filep = fopen(file_pid_paniclog, "a+");
138 params.debugLevel = ECRASH_DEBUG_VERBOSE;
139 params.dumpAllThreads = TRUE;
140 params.useBacktraceSymbols = 1;
141 params.signals[0]=SIGSEGV;
142 params.signals[1]=SIGILL;
143 params.signals[2]=SIGBUS;
144 params.signals[3]=SIGABRT;
145 eCrash_Init(¶ms);
146 eCrash_RegisterThread("MasterThread", 0);
149 /* Tell 'em who's in da house */
150 syslog(LOG_NOTICE, " ");
151 syslog(LOG_NOTICE, " ");
153 "*** Citadel server engine v%d.%02d (build %s) ***",
154 (REV_LEVEL/100), (REV_LEVEL%100), svn_revision());
155 syslog(LOG_NOTICE, "Copyright (C) 1987-2013 by the Citadel development team.");
156 syslog(LOG_NOTICE, "This program is distributed under the terms of the GNU "
157 "General Public License.");
158 syslog(LOG_NOTICE, " ");
159 syslog(LOG_DEBUG, "Called as: %s", argv[0]);
160 syslog(LOG_INFO, "%s", libcitadel_version_string());
162 /* Load site-specific configuration */
163 syslog(LOG_INFO, "Loading citadel.config");
166 /* get_control() MUST MUST MUST be called BEFORE the databases are opened!! */
167 syslog(LOG_INFO, "Acquiring control record");
173 /* on some dists rundir gets purged on startup. so we need to recreate it. */
175 if (stat(ctdl_run_dir, &filestats)==-1){
176 #ifdef HAVE_GETPWUID_R
177 #ifdef SOLARIS_GETPWUID
178 pwp = getpwuid_r(config.c_ctdluid, &pw, pwbuf, sizeof(pwbuf));
179 #else // SOLARIS_GETPWUID
180 getpwuid_r(config.c_ctdluid, &pw, pwbuf, sizeof(pwbuf), &pwp);
181 #endif // SOLARIS_GETPWUID
182 #else // HAVE_GETPWUID_R
184 #endif // HAVE_GETPWUID_R
186 if ((mkdir(ctdl_run_dir, 0755) != 0) && (errno != EEXIST))
188 "unable to create run directory [%s]: %s",
189 ctdl_run_dir, strerror(errno));
191 if (chown(ctdl_run_dir, config.c_ctdluid, (pwp==NULL)?-1:pw.pw_gid) != 0)
193 "unable to set the access rights for [%s]: %s",
194 ctdl_run_dir, strerror(errno));
204 * Do non system dependent startup functions.
209 * Check that the control record is correct and place sensible values if it isn't
214 * Run any upgrade entry points
216 syslog(LOG_INFO, "Upgrading modules.");
220 * Load the user for the masterCC or create them if they don't exist
222 if (CtdlGetUser(&masterCC.user, "SYS_Citadel"))
224 /* User doesn't exist. We can't use create user here as the user number needs to be 0 */
225 strcpy (masterCC.user.fullname, "SYS_Citadel") ;
226 CtdlPutUser(&masterCC.user);
227 CtdlGetUser(&masterCC.user, "SYS_Citadel"); /* Just to be safe */
231 * Bind the server to a Unix-domain socket (user client access)
233 CtdlRegisterServiceHook(0,
235 citproto_begin_session,
241 * Bind the server to a Unix-domain socket (admin client access)
243 CtdlRegisterServiceHook(0,
244 file_citadel_admin_socket,
245 citproto_begin_admin_session,
249 chmod(file_citadel_admin_socket, S_IRWXU); /* for your eyes only */
252 * Bind the server to our favorite TCP port (usually 504).
254 CtdlRegisterServiceHook(config.c_port_number,
256 citproto_begin_session,
265 * Load any server-side extensions available here.
267 syslog(LOG_INFO, "Initializing server extensions");
269 initialise_modules(0);
271 eDebuglist[1] = getenv("CITADEL_LOGDEBUG");
272 CtdlSetDebugLogFacilities(eDebuglist, 2);
275 * If we need host auth, start our chkpwd daemon.
277 if (config.c_auth_mode == AUTHMODE_HOST) {
278 start_chkpwd_daemon();
283 * check, whether we're fired up another time after a crash.
284 * if, post an aide message, so the admin has a chance to react.
290 * Now that we've bound the sockets, change to the Citadel user id and its
291 * corresponding group ids
293 if (drop_root_perms) {
294 cdb_chmod_data(); /* make sure we own our data files */
296 #ifdef HAVE_GETPWUID_R
297 #ifdef SOLARIS_GETPWUID
298 pwp = getpwuid_r(config.c_ctdluid, &pw, pwbuf, sizeof(pwbuf));
299 #else // SOLARIS_GETPWUID
300 getpwuid_r(config.c_ctdluid, &pw, pwbuf, sizeof(pwbuf), &pwp);
301 #endif // SOLARIS_GETPWUID
302 #else // HAVE_GETPWUID_R
304 #endif // HAVE_GETPWUID_R
307 syslog(LOG_CRIT, "WARNING: getpwuid(%ld): %s"
308 "Group IDs will be incorrect.\n", (long)CTDLUID,
311 initgroups(pw.pw_name, pw.pw_gid);
312 if (setgid(pw.pw_gid))
313 syslog(LOG_CRIT, "setgid(%ld): %s", (long)pw.pw_gid,
316 syslog(LOG_INFO, "Changing uid to %ld", (long)CTDLUID);
317 if (setuid(CTDLUID) != 0) {
318 syslog(LOG_CRIT, "setuid() failed: %s", strerror(errno));
320 #if defined (HAVE_SYS_PRCTL_H) && defined (PR_SET_DUMPABLE)
321 prctl(PR_SET_DUMPABLE, 1);
325 /* We want to check for idle sessions once per minute */
326 CtdlRegisterSessionHook(terminate_idle_sessions, EVT_TIMER, PRIO_CLEANUP + 1);
330 master_cleanup(exit_signal);