+++ /dev/null
-/*
- * $Id$
- *
- * citserver's main() function lives here.
- *
- * Copyright (c) 1987-2010 by the citadel.org team
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3 of the License, or
- * (at your option) any later version.
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#include "sysdep.h"
-#include <stdlib.h>
-#include <unistd.h>
-#include <stdio.h>
-#include <fcntl.h>
-#include <ctype.h>
-#include <signal.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/wait.h>
-#include <sys/socket.h>
-#include <syslog.h>
-
-#if TIME_WITH_SYS_TIME
-# include <sys/time.h>
-# include <time.h>
-#else
-# if HAVE_SYS_TIME_H
-# include <sys/time.h>
-# else
-# include <time.h>
-# endif
-#endif
-
-#include <limits.h>
-#include <netinet/in.h>
-#include <netdb.h>
-#include <sys/un.h>
-#include <string.h>
-#include <pwd.h>
-#include <errno.h>
-#include <stdarg.h>
-#include <grp.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 "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>
-#endif
-
-#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 facility[32];
- int a; /* General-purpose variables */
- struct passwd pw, *pwp = NULL;
- char pwbuf[SIZ];
- int drop_root_perms = 1;
- size_t size;
- int relh=0;
- int home=0;
- int dbg=0;
- int have_log=0;
- int have_minus_x=0;
- char relhome[PATH_MAX]="";
- char ctdldir[PATH_MAX]=CTDLDIR;
-#ifdef HAVE_RUN_DIR
- struct stat filestats;
-#endif
-#ifdef HAVE_BACKTRACE
- eCrashParameters params;
-// eCrashSymbolTable symbol_table;
-#endif
-
-#ifdef HAVE_GC
- GC_INIT();
- GC_find_leak = 1;
-#endif
-
-
- /* initialise semaphores here. Patch by Matt and davew
- * its called here as they are needed by CtdlLogPrintf for thread safety
- */
- InitialiseSemaphores();
-
- /* initialize the master context */
- InitializeMasterCC();
-
- /* parse command-line arguments */
- for (a=1; a<argc; ++a) {
-
- if (!strncmp(argv[a], "-l", 2)) {
- safestrncpy(facility, &argv[a][2], sizeof(facility));
- syslog_facility = SyslogFacility(facility);
- enable_syslog = 1;
- }
-
- /* run in the background if -d was specified */
- else if (!strcmp(argv[a], "-d")) {
- running_as_daemon = 1;
- }
-
- /* run a few stats if -s was specified */
- else if (!strncmp(argv[a], "-s", 2)) {
- statcount = atoi(&argv[a][2]);
- }
-
- /* -x specifies the desired logging level */
- else if (!strncmp(argv[a], "-x", 2)) {
- verbosity = atoi(&argv[a][2]);
- have_minus_x = 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;
- }
-
- else if (!strncmp(argv[a], "-t", 2)) {
- if (freopen(&argv[a][2], "w", stderr) != stderr)
- {
- CtdlLogPrintf(CTDL_EMERG,
- "unable to open your trace log [%s]: %s",
- &argv[a][2],
- strerror(errno));
- exit(1);
- }
- have_log = 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"))
- drop_root_perms = 0;
-
- /* any other parameter makes it crash and burn */
- else {
- CtdlLogPrintf(CTDL_EMERG, "citserver: usage: "
- "citserver "
- "[-lLogFacility] "
- "[-d] [-D] [-s]"
- " [-tTraceFile]"
- " [-xLogLevel] [-hHomeDir]\n");
- exit(1);
- }
-
- }
-
- if (have_minus_x && running_as_daemon && have_log)
- print_to_logfile = 1;
-
- 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
-
- /* Initialize the syslogger. Yes, we are really using 0 as the
- * facility, because we are going to bitwise-OR the facility to
- * the severity of each message, allowing us to write to other
- * facilities when we need to...
- */
- if (enable_syslog) {
- openlog("citadel", LOG_NDELAY, 0);
- setlogmask(LOG_UPTO(verbosity));
- }
-
- /* Tell 'em who's in da house */
- CtdlLogPrintf(CTDL_NOTICE, "\n");
- CtdlLogPrintf(CTDL_NOTICE, "\n");
- CtdlLogPrintf(CTDL_NOTICE,
- "*** Citadel server engine v%d.%02d (build %s) ***\n",
- (REV_LEVEL/100), (REV_LEVEL%100), svn_revision());
- CtdlLogPrintf(CTDL_NOTICE, "Copyright (C) 1987-2010 by the Citadel development team.\n");
- CtdlLogPrintf(CTDL_NOTICE, "This program is distributed under the terms of the GNU "
- "General Public License.\n");
- CtdlLogPrintf(CTDL_NOTICE, "\n");
- CtdlLogPrintf(CTDL_DEBUG, "Called as: %s\n", argv[0]);
- CtdlLogPrintf(CTDL_INFO, "%s\n", libcitadel_version_string());
-
- /* Load site-specific parameters, and set the ipgm secret */
- CtdlLogPrintf(CTDL_INFO, "Loading citadel.config\n");
- get_config();
- config.c_ipgm_secret = rand();
-
- /* get_control() MUST MUST MUST be called BEFORE the databases are opened!! */
- CtdlLogPrintf(CTDL_INFO, "Acquiring control record\n");
- 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))
- CtdlLogPrintf(CTDL_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)
- CtdlLogPrintf(CTDL_EMERG,
- "unable to set the access rights for [%s]: %s",
- ctdl_run_dir, strerror(errno));
- }
-
-
-#endif
-
- /* Initialize... */
- init_sysdep();
-
- /*
- * Do non system dependent startup functions.
- */
- master_startup();
-
- /*
- * Check that the control record is correct and place sensible values if it isn't
- */
- check_control();
-
- /*
- * Run any upgrade entry points
- */
- CtdlLogPrintf(CTDL_INFO, "Upgrading modules.\n");
- 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,
- file_citadel_socket,
- citproto_begin_session,
- 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_async_loop,
- CitadelServiceTCP);
-
-
-
-
- /*
- * Load any server-side extensions available here.
- */
- CtdlLogPrintf(CTDL_INFO, "Initializing server extensions\n");
- size = strlen(ctdl_home_directory) + 9;
-
- initialise_modules(0);
-
-
-
- /*
- * If we need host auth, start our chkpwd daemon.
- */
- if (config.c_auth_mode == AUTHMODE_HOST) {
- start_chkpwd_daemon();
- }
-
-
- /*
- * 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) {
- 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)
- CtdlLogPrintf(CTDL_CRIT, "WARNING: getpwuid(%ld): %s\n"
- "Group IDs will be incorrect.\n", (long)CTDLUID,
- strerror(errno));
- else {
- initgroups(pw.pw_name, pw.pw_gid);
- if (setgid(pw.pw_gid))
- CtdlLogPrintf(CTDL_CRIT, "setgid(%ld): %s\n", (long)pw.pw_gid,
- strerror(errno));
- }
- CtdlLogPrintf(CTDL_INFO, "Changing uid to %ld\n", (long)CTDLUID);
- if (setuid(CTDLUID) != 0) {
- CtdlLogPrintf(CTDL_CRIT, "setuid() failed: %s\n", 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);
-
- go_threading();
-
-
- master_cleanup(exit_signal);
- return(0);
-}
projects / citadel.git / blobdiff