/*
* citserver's main() function lives here.
+ *
+ * Copyright (c) 1987-2012 by the citadel.org team
*
- * $Id$
+ * This program is open source software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 3.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
*/
#include "sysdep.h"
#include <errno.h>
#include <stdarg.h>
#include <grp.h>
-#ifdef HAVE_PTHREAD_H
-#include <pthread.h>
+#include <pwd.h>
+#ifdef HAVE_SYS_PRCTL_H
+#include <sys/prctl.h>
#endif
+#include <libcitadel.h>
#include "citadel.h"
#include "server.h"
#include "serv_extensions.h"
#include "sysdep_decls.h"
+#include "threads.h"
#include "citserver.h"
#include "support.h"
#include "config.h"
+#include "control.h"
#include "database.h"
+#include "user_ops.h"
#include "housekeeping.h"
-#include "tools.h"
+#include "svn_revision.h"
+#include "citadel_dirs.h"
+
+#include "context.h"
+
+#include "modules_init.h"
+#include "ecrash.h"
#ifdef HAVE_SYS_SELECT_H
#include <sys/select.h>
#ifndef HAVE_SNPRINTF
#include "snprintf.h"
#endif
+const char *CitadelServiceUDS="citadel-UDS";
+const char *CitadelServiceTCP="citadel-TCP";
+
+
+
+void go_threading(void);
/*
* Here's where it all begins.
*/
int main(int argc, char **argv)
{
- char tracefile[128]; /* Name of file to log traces to */
- int a, i; /* General-purpose variables */
- struct passwd *pw;
+ char facility[32];
+ int a; /* General-purpose variables */
+ struct passwd pw, *pwp = NULL;
+ char pwbuf[SIZ];
int drop_root_perms = 1;
- struct worker_node *wnp;
- size_t size;
-
- /* specify default port name and trace file */
- strcpy(tracefile, "");
+ int relh=0;
+ int home=0;
+ int dbg=0;
+ char relhome[PATH_MAX]="";
+ char ctdldir[PATH_MAX]=CTDLDIR;
+ int syslog_facility = LOG_DAEMON;
+#ifdef HAVE_RUN_DIR
+ struct stat filestats;
+#endif
+#ifdef HAVE_BACKTRACE
+ eCrashParameters params;
+// eCrashSymbolTable symbol_table;
+#endif
/* initialize the master context */
InitializeMasterCC();
+ InitializeMasterTSD();
/* parse command-line arguments */
for (a=1; a<argc; ++a) {
- /* -t specifies where to log trace messages to */
- if (!strncmp(argv[a], "-t", 2)) {
- safestrncpy(tracefile, argv[a], sizeof tracefile);
- strcpy(tracefile, &tracefile[2]);
- freopen(tracefile, "r", stdin);
- freopen(tracefile, "w", stdout);
- freopen(tracefile, "w", stderr);
- chmod(tracefile, 0600);
- }
-
- else if (!strncmp(argv[a], "-l", 2)) {
- safestrncpy(tracefile, argv[a], sizeof tracefile);
- strcpy(tracefile, &tracefile[2]);
- syslog_facility = SyslogFacility(tracefile);
- if (syslog_facility >= 0) {
- openlog("citadel", LOG_PID, syslog_facility);
- }
+ if (!strncmp(argv[a], "-l", 2)) {
+ safestrncpy(facility, &argv[a][2], sizeof(facility));
+ syslog_facility = SyslogFacility(facility);
}
/* run in the background if -d was specified */
else if (!strcmp(argv[a], "-d")) {
- start_daemon( (strlen(tracefile) > 0) ? 0 : 1 ) ;
+ running_as_daemon = 1;
+ }
+
+ else if (!strncmp(argv[a], "-h", 2)) {
+ relh=argv[a][2]!='/';
+ if (!relh) {
+ safestrncpy(ctdl_home_directory, &argv[a][2], sizeof ctdl_home_directory);
+ }
+ else {
+ safestrncpy(relhome, &argv[a][2], sizeof relhome);
+ }
+ home=1;
}
- /* -x specifies the desired logging level */
else if (!strncmp(argv[a], "-x", 2)) {
- verbosity = atoi(&argv[a][2]);
+ /* deprecated */
}
- else if (!strncmp(argv[a], "-h", 2)) {
- safestrncpy(bbs_home_directory, &argv[a][2],
- sizeof bbs_home_directory);
- home_specified = 1;
+ else if (!strncmp(argv[a], "-t", 2)) {
+ /* deprecated */
}
- else if (!strncmp(argv[a], "-f", 2)) {
- do_defrag = 1;
+ else if (!strncmp(argv[a], "-D", 2)) {
+ dbg = 1;
}
/* -r tells the server not to drop root permissions. don't use
* this unless you know what you're doing. this should be
* removed in the next release if it proves unnecessary. */
- else if (!strcmp(argv[a], "-r"))
+ else if (!strcmp(argv[a], "-r")) {
drop_root_perms = 0;
+ }
/* any other parameter makes it crash and burn */
else {
- lprintf(CTDL_EMERG, "citserver: usage: "
- "citserver [-tTraceFile] "
+ fprintf(stderr, "citserver: usage: "
+ "citserver "
"[-lLogFacility] "
- "[-d] [-f]"
- " [-xLogLevel] [-hHomeDir]\n");
+ "[-d] [-D] [-s] "
+ "[-hHomeDir]\n"
+ );
exit(1);
}
}
+ openlog("citserver",
+ ( running_as_daemon ? (LOG_PID) : (LOG_PID | LOG_PERROR) ),
+ syslog_facility
+ );
+
+ calc_dirs_n_files(relh, home, relhome, ctdldir, dbg);
+ /* daemonize, if we were asked to */
+ if (running_as_daemon) {
+ start_daemon(0);
+ drop_root_perms = 1;
+ }
+
+#ifdef HAVE_BACKTRACE
+ bzero(¶ms, sizeof(params));
+ params.filename = file_pid_paniclog;
+ panic_fd=open(file_pid_paniclog, O_APPEND|O_CREAT|O_DIRECT);
+ params.filep = fopen(file_pid_paniclog, "a+");
+ params.debugLevel = ECRASH_DEBUG_VERBOSE;
+ params.dumpAllThreads = TRUE;
+ params.useBacktraceSymbols = 1;
+ params.signals[0]=SIGSEGV;
+ params.signals[1]=SIGILL;
+ params.signals[2]=SIGBUS;
+ params.signals[3]=SIGABRT;
+ eCrash_Init(¶ms);
+ eCrash_RegisterThread("MasterThread", 0);
+#endif
+
/* Tell 'em who's in da house */
- lprintf(CTDL_NOTICE, "\n");
- lprintf(CTDL_NOTICE, "\n");
- lprintf(CTDL_NOTICE,
- "*** Citadel/UX messaging server engine v%d.%02d ***\n",
- (REV_LEVEL/100), (REV_LEVEL%100));
- lprintf(CTDL_NOTICE,
- "Copyright (C) 1987-2003 by the Citadel/UX development team.\n");
- lprintf(CTDL_NOTICE,
- "This program is distributed under the terms of the GNU "
- "General Public License.\n");
- lprintf(CTDL_NOTICE, "\n");
+ syslog(LOG_NOTICE, " ");
+ syslog(LOG_NOTICE, " ");
+ syslog(LOG_NOTICE,
+ "*** Citadel server engine v%d.%02d (build %s) ***",
+ (REV_LEVEL/100), (REV_LEVEL%100), svn_revision());
+ syslog(LOG_NOTICE, "Copyright (C) 1987-2012 by the Citadel development team.");
+ syslog(LOG_NOTICE, "This program is distributed under the terms of the GNU "
+ "General Public License.");
+ syslog(LOG_NOTICE, " ");
+ syslog(LOG_DEBUG, "Called as: %s", argv[0]);
+ syslog(LOG_INFO, "%s", libcitadel_version_string());
/* Load site-specific parameters, and set the ipgm secret */
- lprintf(CTDL_INFO, "Loading citadel.config\n");
+ syslog(LOG_INFO, "Loading citadel.config");
get_config();
config.c_ipgm_secret = rand();
+
+ /* get_control() MUST MUST MUST be called BEFORE the databases are opened!! */
+ syslog(LOG_INFO, "Acquiring control record");
+ get_control();
+
put_config();
+#ifdef HAVE_RUN_DIR
+ /* on some dists rundir gets purged on startup. so we need to recreate it. */
+
+ if (stat(ctdl_run_dir, &filestats)==-1){
+#ifdef HAVE_GETPWUID_R
+#ifdef SOLARIS_GETPWUID
+ pwp = getpwuid_r(config.c_ctdluid, &pw, pwbuf, sizeof(pwbuf));
+#else // SOLARIS_GETPWUID
+ getpwuid_r(config.c_ctdluid, &pw, pwbuf, sizeof(pwbuf), &pwp);
+#endif // SOLARIS_GETPWUID
+#else // HAVE_GETPWUID_R
+ pwp = NULL;
+#endif // HAVE_GETPWUID_R
+
+ if ((mkdir(ctdl_run_dir, 0755) != 0) && (errno != EEXIST))
+ syslog(LOG_EMERG,
+ "unable to create run directory [%s]: %s",
+ ctdl_run_dir, strerror(errno));
+
+ if (chown(ctdl_run_dir, config.c_ctdluid, (pwp==NULL)?-1:pw.pw_gid) != 0)
+ syslog(LOG_EMERG,
+ "unable to set the access rights for [%s]: %s",
+ ctdl_run_dir, strerror(errno));
+ }
+
+
+#endif
+
/* Initialize... */
init_sysdep();
*/
master_startup();
+ /*
+ * Check that the control record is correct and place sensible values if it isn't
+ */
+ check_control();
+
+ /*
+ * Run any upgrade entry points
+ */
+ syslog(LOG_INFO, "Upgrading modules.");
+ upgrade_modules();
+
+/*
+ * Load the user for the masterCC or create them if they don't exist
+ */
+ if (CtdlGetUser(&masterCC.user, "SYS_Citadel"))
+ {
+ /* User doesn't exist. We can't use create user here as the user number needs to be 0 */
+ strcpy (masterCC.user.fullname, "SYS_Citadel") ;
+ CtdlPutUser(&masterCC.user);
+ CtdlGetUser(&masterCC.user, "SYS_Citadel"); /* Just to be safe */
+ }
+
/*
* Bind the server to a Unix-domain socket.
*/
CtdlRegisterServiceHook(0,
- "citadel.socket",
+ file_citadel_socket,
citproto_begin_session,
- do_command_loop);
+ do_command_loop,
+ do_async_loop,
+ CitadelServiceUDS);
/*
* Bind the server to our favorite TCP port (usually 504).
CtdlRegisterServiceHook(config.c_port_number,
NULL,
citproto_begin_session,
- do_command_loop);
+ do_command_loop,
+ do_async_loop,
+ CitadelServiceTCP);
+
+
+
/*
* Load any server-side extensions available here.
*/
- lprintf(CTDL_INFO, "Initializing server extensions\n");
- size = strlen(bbs_home_directory) + 9;
- initialize_server_extensions();
+ syslog(LOG_INFO, "Initializing server extensions");
+
+ initialise_modules(0);
/*
- * The rescan pipe exists so that worker threads can be woken up and
- * told to re-scan the context list for fd's to listen on. This is
- * necessary, for example, when a context is about to go idle and needs
- * to get back on that list.
+ * If we need host auth, start our chkpwd daemon.
*/
- if (pipe(rescan)) {
- lprintf(CTDL_EMERG, "Can't create rescan pipe!\n");
- exit(errno);
+ if (config.c_auth_mode == AUTHMODE_HOST) {
+ start_chkpwd_daemon();
}
- init_master_fdset();
/*
- * Now that we've bound the sockets, change to the BBS user id and its
+ * check, whether we're fired up another time after a crash.
+ * if, post an aide message, so the admin has a chance to react.
+ */
+ checkcrash ();
+
+
+ /*
+ * Now that we've bound the sockets, change to the Citadel user id and its
* corresponding group ids
*/
if (drop_root_perms) {
- if ((pw = getpwuid(BBSUID)) == NULL)
- lprintf(CTDL_CRIT, "WARNING: getpwuid(%ld): %s\n"
- "Group IDs will be incorrect.\n", (long)BBSUID,
+ cdb_chmod_data(); /* make sure we own our data files */
+
+#ifdef HAVE_GETPWUID_R
+#ifdef SOLARIS_GETPWUID
+ pwp = getpwuid_r(config.c_ctdluid, &pw, pwbuf, sizeof(pwbuf));
+#else // SOLARIS_GETPWUID
+ getpwuid_r(config.c_ctdluid, &pw, pwbuf, sizeof(pwbuf), &pwp);
+#endif // SOLARIS_GETPWUID
+#else // HAVE_GETPWUID_R
+ pwp = NULL;
+#endif // HAVE_GETPWUID_R
+
+ if (pwp == NULL)
+ syslog(LOG_CRIT, "WARNING: getpwuid(%ld): %s"
+ "Group IDs will be incorrect.\n", (long)CTDLUID,
strerror(errno));
else {
- initgroups(pw->pw_name, pw->pw_gid);
- if (setgid(pw->pw_gid))
- lprintf(CTDL_CRIT, "setgid(%ld): %s\n", (long)pw->pw_gid,
+ initgroups(pw.pw_name, pw.pw_gid);
+ if (setgid(pw.pw_gid))
+ syslog(LOG_CRIT, "setgid(%ld): %s", (long)pw.pw_gid,
strerror(errno));
}
- lprintf(CTDL_INFO, "Changing uid to %ld\n", (long)BBSUID);
- if (setuid(BBSUID) != 0) {
- lprintf(CTDL_CRIT, "setuid() failed: %s\n", strerror(errno));
+ syslog(LOG_INFO, "Changing uid to %ld", (long)CTDLUID);
+ if (setuid(CTDLUID) != 0) {
+ syslog(LOG_CRIT, "setuid() failed: %s", strerror(errno));
}
+#if defined (HAVE_SYS_PRCTL_H) && defined (PR_SET_DUMPABLE)
+ prctl(PR_SET_DUMPABLE, 1);
+#endif
}
/* We want to check for idle sessions once per minute */
CtdlRegisterSessionHook(terminate_idle_sessions, EVT_TIMER);
- /*
- * Now create a bunch of worker threads.
- */
- lprintf(CTDL_DEBUG, "Starting %d worker threads\n", config.c_min_workers-1);
- begin_critical_section(S_WORKER_LIST);
- for (i=0; i<(config.c_min_workers-1); ++i) {
- create_worker();
- }
- end_critical_section(S_WORKER_LIST);
-
- /* Now this thread can become a worker as well. */
- initial_thread = pthread_self();
- worker_thread(NULL);
-
- /* Server is exiting. Wait for workers to shutdown. */
- lprintf(CTDL_INFO, "Waiting for worker threads to shut down\n");
-
- begin_critical_section(S_WORKER_LIST);
- while (worker_list != NULL) {
- wnp = worker_list;
- worker_list = wnp->next;
-
- /* avoid deadlock with an exiting thread */
- end_critical_section(S_WORKER_LIST);
- if ((i = pthread_join(wnp->tid, NULL)))
- lprintf(CTDL_CRIT, "pthread_join: %s\n", strerror(i));
- free(wnp);
- begin_critical_section(S_WORKER_LIST);
- }
- end_critical_section(S_WORKER_LIST);
-
- master_cleanup();
+ go_threading();
+
+ master_cleanup(exit_signal);
return(0);
}
projects / citadel.git / blobdiff