/*
* citserver's main() function lives here.
*
- * Copyright (c) 1987-2012 by the citadel.org team
+ * Copyright (c) 1987-2016 by the citadel.org team
*
* 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.
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
-
-#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 <sys/file.h>
#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 "svn_revision.h"
+#include "modules_init.h"
#include "config.h"
#include "control.h"
-#include "database.h"
-#include "user_ops.h"
-#include "housekeeping.h"
-#include "svn_revision.h"
+#include "serv_extensions.h"
#include "citadel_dirs.h"
-
-#include "context.h"
-
-#include "modules_init.h"
+#include "user_ops.h"
#include "ecrash.h"
-#ifdef HAVE_SYS_SELECT_H
-#include <sys/select.h>
-#endif
-
-#ifndef HAVE_SNPRINTF
-#include "snprintf.h"
-#endif
+uid_t ctdluid = 0;
const char *CitadelServiceUDS="citadel-UDS";
const char *CitadelServiceTCP="citadel-TCP";
void go_threading(void);
+
+
+/*
+ * Create or remove a lock file, so we only have one Citadel Server running at a time.
+ */
+void ctdl_lockfile(int yo) {
+ static char lockfilename[SIZ];
+ static FILE *fp;
+
+
+ if (yo) {
+ syslog(LOG_DEBUG, "Creating lockfile");
+ snprintf(lockfilename, sizeof lockfilename, "%s/citadel.lock", ctdl_run_dir);
+ fp = fopen(lockfilename, "w");
+ if (!fp) {
+ syslog(LOG_ERR, "Cannot open or create %s", lockfilename);
+ exit(CTDLEXIT_DB);
+ }
+ if (flock(fileno(fp), (LOCK_EX|LOCK_NB)) != 0) {
+ syslog(LOG_ERR, "Cannot lock %s , is another citserver running?", lockfilename);
+ exit(CTDLEXIT_DB);
+ }
+ return;
+ }
+
+ syslog(LOG_DEBUG, "Removing lockfile");
+ unlink(lockfilename);
+ flock(fileno(fp), LOCK_UN);
+ fclose(fp);
+}
+
+
+
+
+
+
/*
* Here's where it all begins.
*/
int main(int argc, char **argv)
{
+ size_t basesize = 64;
char facility[32];
int a; /* General-purpose variables */
struct passwd pw, *pwp = NULL;
char relhome[PATH_MAX]="";
char ctdldir[PATH_MAX]=CTDLDIR;
int syslog_facility = LOG_DAEMON;
+ const char *eDebuglist[] = {NULL, NULL};
+ uid_t u = 0;
+ struct passwd *p = NULL;
#ifdef HAVE_RUN_DIR
struct stat filestats;
#endif
InitializeMasterTSD();
/* parse command-line arguments */
- while ((a=getopt(argc, argv, "l:dh:x:t:Dr")) != EOF) switch(a) {
+ while ((a=getopt(argc, argv, "l:dh:x:t:B:Dru:")) != EOF) switch(a) {
case 'l':
safestrncpy(facility, optarg, sizeof(facility));
home=1;
break;
- case 'x': /* deprecated */
+ case 'x':
+ eDebuglist [0] = optarg;
break;
case 't': /* deprecated */
break;
+ case 'B': /* Basesize */
+ basesize = atoi(optarg);
+ break;
case 'D':
dbg = 1;
drop_root_perms = 0;
break;
+ /* -u tells the server what uid to run under... */
+ case 'u':
+ u = atoi(optarg);
+ if (u > 0) {
+ ctdluid = u;
+ }
+ else {
+ p = getpwnam(optarg);
+ if (p) {
+ u = p->pw_uid;
+ }
+ }
+ if (u > 0) {
+ ctdluid = u;
+ }
+ break;
+
default:
/* any other parameter makes it crash and burn */
fprintf(stderr, "citserver: usage: "
"citserver "
"[-l LogFacility] "
"[-d] [-D] [-r] "
+ "[-u user] "
"[-h HomeDir]\n"
);
exit(1);
}
+ /* Last ditch effort to determine the user name ... if there's a user called "citadel" then use that */
+ if (ctdluid == 0) {
+ p = getpwnam("citadel");
+ if (!p) {
+ p = getpwnam("bbs");
+ }
+ if (!p) {
+ p = getpwnam("guest");
+ }
+ if (p) {
+ u = p->pw_uid;
+ }
+ if (u > 0) {
+ ctdluid = u;
+ }
+ }
+
+ if ((ctdluid == 0) && (drop_root_perms == 0)) {
+ fprintf(stderr, "citserver: cannot determine user to run as; please specify -r or -u options\n");
+ exit(CTDLEXIT_UNUSER);
+ }
+
+ StartLibCitadel(basesize);
openlog("citserver",
( running_as_daemon ? (LOG_PID) : (LOG_PID | LOG_PERROR) ),
syslog_facility
drop_root_perms = 1;
}
-#ifdef HAVE_BACKTRACE
+#if 0
+ def HAVE_BACKTRACE
bzero(¶ms, sizeof(params));
params.filename = file_pid_paniclog;
panic_fd=open(file_pid_paniclog, O_APPEND|O_CREAT|O_DIRECT);
/* Tell 'em who's in da house */
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, "*** Citadel server engine ***\n");
+ syslog(LOG_NOTICE, "Version %d (build %s) ***", REV_LEVEL, svn_revision());
+ syslog(LOG_NOTICE, "Copyright (C) 1987-2016 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 configuration */
- syslog(LOG_INFO, "Loading citadel.config");
- get_config();
-
- /* 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));
+ pwp = getpwuid_r(ctdluid, &pw, pwbuf, sizeof(pwbuf));
#else // SOLARIS_GETPWUID
- getpwuid_r(config.c_ctdluid, &pw, pwbuf, sizeof(pwbuf), &pwp);
+ getpwuid_r(ctdluid, &pw, pwbuf, sizeof(pwbuf), &pwp);
#endif // SOLARIS_GETPWUID
#else // HAVE_GETPWUID_R
pwp = NULL;
"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)
+ if (chown(ctdl_run_dir, 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
+ ctdl_lockfile(1);
+
/* Initialize... */
init_sysdep();
/*
* Bind the server to our favorite TCP port (usually 504).
*/
- CtdlRegisterServiceHook(config.c_port_number,
+ CtdlRegisterServiceHook(CtdlGetConfigInt("c_port_number"),
NULL,
citproto_begin_session,
do_command_loop,
initialise_modules(0);
+ eDebuglist[1] = getenv("CITADEL_LOGDEBUG");
+ CtdlSetDebugLogFacilities(eDebuglist, 2);
+
/*
* If we need host auth, start our chkpwd daemon.
*/
- if (config.c_auth_mode == AUTHMODE_HOST) {
+ if (CtdlGetConfigInt("c_auth_mode") == AUTHMODE_HOST) {
start_chkpwd_daemon();
}
#ifdef HAVE_GETPWUID_R
#ifdef SOLARIS_GETPWUID
- pwp = getpwuid_r(config.c_ctdluid, &pw, pwbuf, sizeof(pwbuf));
+ pwp = getpwuid_r(ctdluid, &pw, pwbuf, sizeof(pwbuf));
#else // SOLARIS_GETPWUID
- getpwuid_r(config.c_ctdluid, &pw, pwbuf, sizeof(pwbuf), &pwp);
+ getpwuid_r(ctdluid, &pw, pwbuf, sizeof(pwbuf), &pwp);
#endif // SOLARIS_GETPWUID
#else // HAVE_GETPWUID_R
pwp = NULL;
}
/* We want to check for idle sessions once per minute */
- CtdlRegisterSessionHook(terminate_idle_sessions, EVT_TIMER);
+ CtdlRegisterSessionHook(terminate_idle_sessions, EVT_TIMER, PRIO_CLEANUP + 1);
go_threading();
- master_cleanup(exit_signal);
- return(0);
+ int exit_code = master_cleanup(exit_signal);
+ ctdl_lockfile(0);
+ return(exit_code);
}
projects / citadel.git / blobdiff