2 * citserver's main() function lives here.
4 * Copyright (c) 1987-2014 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"
29 const char *CitadelServiceUDS="citadel-UDS";
30 const char *CitadelServiceTCP="citadel-TCP";
34 void go_threading(void);
37 * Here's where it all begins.
39 int main(int argc, char **argv)
43 int a; /* General-purpose variables */
44 struct passwd pw, *pwp = NULL;
46 int drop_root_perms = 1;
50 char relhome[PATH_MAX]="";
51 char ctdldir[PATH_MAX]=CTDLDIR;
52 int syslog_facility = LOG_DAEMON;
53 const char *eDebuglist[] = {NULL, NULL};
55 struct stat filestats;
58 eCrashParameters params;
59 // eCrashSymbolTable symbol_table;
62 /* initialize the master context */
64 InitializeMasterTSD();
66 /* parse command-line arguments */
67 while ((a=getopt(argc, argv, "l:dh:x:t:B:Dr")) != EOF) switch(a) {
70 safestrncpy(facility, optarg, sizeof(facility));
71 syslog_facility = SyslogFacility(facility);
74 /* run in the background if -d was specified */
76 running_as_daemon = 1;
80 relh = optarg[0] != '/';
82 safestrncpy(ctdl_home_directory, optarg, sizeof ctdl_home_directory);
85 safestrncpy(relhome, optarg, sizeof relhome);
91 eDebuglist [0] = optarg;
94 case 't': /* deprecated */
96 case 'B': /* Basesize */
97 basesize = atoi(optarg);
104 /* -r tells the server not to drop root permissions.
105 * Don't use this unless you know what you're doing.
112 /* any other parameter makes it crash and burn */
113 fprintf(stderr, "citserver: usage: "
121 StartLibCitadel(basesize);
123 ( running_as_daemon ? (LOG_PID) : (LOG_PID | LOG_PERROR) ),
127 calc_dirs_n_files(relh, home, relhome, ctdldir, dbg);
128 /* daemonize, if we were asked to */
129 if (running_as_daemon) {
136 bzero(¶ms, sizeof(params));
137 params.filename = file_pid_paniclog;
138 panic_fd=open(file_pid_paniclog, O_APPEND|O_CREAT|O_DIRECT);
139 params.filep = fopen(file_pid_paniclog, "a+");
140 params.debugLevel = ECRASH_DEBUG_VERBOSE;
141 params.dumpAllThreads = TRUE;
142 params.useBacktraceSymbols = 1;
143 params.signals[0]=SIGSEGV;
144 params.signals[1]=SIGILL;
145 params.signals[2]=SIGBUS;
146 params.signals[3]=SIGABRT;
147 eCrash_Init(¶ms);
148 eCrash_RegisterThread("MasterThread", 0);
151 /* Tell 'em who's in da house */
152 syslog(LOG_NOTICE, " ");
153 syslog(LOG_NOTICE, " ");
155 "*** Citadel server engine v%d.%02d (build %s) ***",
156 (REV_LEVEL/100), (REV_LEVEL%100), svn_revision());
157 syslog(LOG_NOTICE, "Copyright (C) 1987-2014 by the Citadel development team.");
158 syslog(LOG_NOTICE, "This program is distributed under the terms of the GNU "
159 "General Public License.");
160 syslog(LOG_NOTICE, " ");
161 syslog(LOG_DEBUG, "Called as: %s", argv[0]);
162 syslog(LOG_INFO, "%s", libcitadel_version_string());
164 /* Load site-specific configuration */
165 syslog(LOG_INFO, "Loading citadel.config");
168 /* get_control() MUST MUST MUST be called BEFORE the databases are opened!! */
169 syslog(LOG_INFO, "Acquiring control record");
175 /* on some dists rundir gets purged on startup. so we need to recreate it. */
177 if (stat(ctdl_run_dir, &filestats)==-1){
178 #ifdef HAVE_GETPWUID_R
179 #ifdef SOLARIS_GETPWUID
180 pwp = getpwuid_r(config.c_ctdluid, &pw, pwbuf, sizeof(pwbuf));
181 #else // SOLARIS_GETPWUID
182 getpwuid_r(config.c_ctdluid, &pw, pwbuf, sizeof(pwbuf), &pwp);
183 #endif // SOLARIS_GETPWUID
184 #else // HAVE_GETPWUID_R
186 #endif // HAVE_GETPWUID_R
188 if ((mkdir(ctdl_run_dir, 0755) != 0) && (errno != EEXIST))
190 "unable to create run directory [%s]: %s",
191 ctdl_run_dir, strerror(errno));
193 if (chown(ctdl_run_dir, config.c_ctdluid, (pwp==NULL)?-1:pw.pw_gid) != 0)
195 "unable to set the access rights for [%s]: %s",
196 ctdl_run_dir, strerror(errno));
206 * Do non system dependent startup functions.
211 * Check that the control record is correct and place sensible values if it isn't
216 * Run any upgrade entry points
218 syslog(LOG_INFO, "Upgrading modules.");
222 * Load the user for the masterCC or create them if they don't exist
224 if (CtdlGetUser(&masterCC.user, "SYS_Citadel"))
226 /* User doesn't exist. We can't use create user here as the user number needs to be 0 */
227 strcpy (masterCC.user.fullname, "SYS_Citadel") ;
228 CtdlPutUser(&masterCC.user);
229 CtdlGetUser(&masterCC.user, "SYS_Citadel"); /* Just to be safe */
233 * Bind the server to a Unix-domain socket (user client access)
235 CtdlRegisterServiceHook(0,
237 citproto_begin_session,
243 * Bind the server to a Unix-domain socket (admin client access)
245 CtdlRegisterServiceHook(0,
246 file_citadel_admin_socket,
247 citproto_begin_admin_session,
251 chmod(file_citadel_admin_socket, S_IRWXU); /* for your eyes only */
254 * Bind the server to our favorite TCP port (usually 504).
256 CtdlRegisterServiceHook(config.c_port_number,
258 citproto_begin_session,
267 * Load any server-side extensions available here.
269 syslog(LOG_INFO, "Initializing server extensions");
271 initialise_modules(0);
273 eDebuglist[1] = getenv("CITADEL_LOGDEBUG");
274 CtdlSetDebugLogFacilities(eDebuglist, 2);
277 * If we need host auth, start our chkpwd daemon.
279 if (config.c_auth_mode == AUTHMODE_HOST) {
280 start_chkpwd_daemon();
285 * check, whether we're fired up another time after a crash.
286 * if, post an aide message, so the admin has a chance to react.
292 * Now that we've bound the sockets, change to the Citadel user id and its
293 * corresponding group ids
295 if (drop_root_perms) {
296 cdb_chmod_data(); /* make sure we own our data files */
298 #ifdef HAVE_GETPWUID_R
299 #ifdef SOLARIS_GETPWUID
300 pwp = getpwuid_r(config.c_ctdluid, &pw, pwbuf, sizeof(pwbuf));
301 #else // SOLARIS_GETPWUID
302 getpwuid_r(config.c_ctdluid, &pw, pwbuf, sizeof(pwbuf), &pwp);
303 #endif // SOLARIS_GETPWUID
304 #else // HAVE_GETPWUID_R
306 #endif // HAVE_GETPWUID_R
309 syslog(LOG_CRIT, "WARNING: getpwuid(%ld): %s"
310 "Group IDs will be incorrect.\n", (long)CTDLUID,
313 initgroups(pw.pw_name, pw.pw_gid);
314 if (setgid(pw.pw_gid))
315 syslog(LOG_CRIT, "setgid(%ld): %s", (long)pw.pw_gid,
318 syslog(LOG_INFO, "Changing uid to %ld", (long)CTDLUID);
319 if (setuid(CTDLUID) != 0) {
320 syslog(LOG_CRIT, "setuid() failed: %s", strerror(errno));
322 #if defined (HAVE_SYS_PRCTL_H) && defined (PR_SET_DUMPABLE)
323 prctl(PR_SET_DUMPABLE, 1);
327 /* We want to check for idle sessions once per minute */
328 CtdlRegisterSessionHook(terminate_idle_sessions, EVT_TIMER, PRIO_CLEANUP + 1);
332 master_cleanup(exit_signal);