X-Git-Url: https://code.citadel.org/?a=blobdiff_plain;f=citadel%2Fserver_main.c;h=592ea7708bbc620f518e10eb21af59406b86642d;hb=a793d2fbf5e0aa9151490b76defd22f6db7ef7ed;hp=ef1c9c96efb3c1be1e45a4ae16d87f110c373df5;hpb=3c3e52f52e8ba5bde756cb9aebdb5f73f1fae011;p=citadel.git

diff --git a/citadel/server_main.c b/citadel/server_main.c
index ef1c9c96e..592ea7708 100644
--- a/citadel/server_main.c
+++ b/citadel/server_main.c
@@ -1,7 +1,15 @@
 /*
  * 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"
@@ -38,23 +46,29 @@
 #include <stdarg.h>
 #include <grp.h>
 #include <pwd.h>
-#ifdef HAVE_PTHREAD_H
-#include <pthread.h>
-#endif
 #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 "citadel_dirs.c"
+#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>
@@ -63,8 +77,12 @@
 #ifndef HAVE_SNPRINTF
 #include "snprintf.h"
 #endif
+const char *CitadelServiceUDS="citadel-UDS";
+const char *CitadelServiceTCP="citadel-TCP";
 
-int running_as_daemon = 0;
+
+
+void go_threading(void);
 
 /*
  * Here's where it all begins.
@@ -72,20 +90,27 @@ int running_as_daemon = 0;
 int main(int argc, char **argv)
 {
 	char facility[32];
-	int a, i;			/* General-purpose variables */
-	struct passwd *pw;
+	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;
 	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) {
@@ -93,7 +118,6 @@ int main(int argc, char **argv)
 		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 */
@@ -101,100 +125,124 @@ int main(int argc, char **argv)
 			running_as_daemon = 1;
 		}
 
-		/* -x specifies the desired logging level */
-		else if (!strncmp(argv[a], "-x", 2)) {
-			verbosity = atoi(&argv[a][2]);
-		}
-
 		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_specified = 1;
+			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], "-x", 2)) {
+			/* deprecated */
+		}
+
 		else if (!strncmp(argv[a], "-t", 2)) {
-			freopen(&argv[a][2], "w", stderr);
+			/* 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: "
+			fprintf(stderr,	"citserver: usage: "
 					"citserver "
 					"[-lLogFacility] "
-					"[-d] [-f]"
-					" [-tTraceFile]"
-					" [-xLogLevel] [-hHomeDir]\n");
+					"[-d] [-D] [-s] "
+					"[-hHomeDir]\n"
+			);
 			exit(1);
 		}
 
 	}
 
-	calc_dirs_n_files(relh, home, relhome, ctdldir);
+	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;
 	}
 
-	/* 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) {
-		if (running_as_daemon) {
-			openlog("citadel", LOG_NDELAY, 0);
-		}
-		else {
-			openlog("citadel", LOG_PERROR|LOG_NDELAY, 0);
-		}
-		setlogmask(LOG_UPTO(verbosity));
-	}
-	
+#ifdef HAVE_BACKTRACE
+	bzero(&params, 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(&params);
+	eCrash_RegisterThread("MasterThread", 0);
+#endif
+
 	/* Tell 'em who's in da house */
-	lprintf(CTDL_NOTICE, "\n");
-	lprintf(CTDL_NOTICE, "\n");
-	lprintf(CTDL_NOTICE,
-		"*** Citadel server engine v%d.%02d ***\n",
-		(REV_LEVEL/100), (REV_LEVEL%100));
-	lprintf(CTDL_NOTICE,
-		"Copyright (C) 1987-2006 by the Citadel development team.\n");
-	lprintf(CTDL_NOTICE,
-		"This program is distributed under the terms of the GNU "
-		"General Public License.\n");
-	lprintf(CTDL_NOTICE, "\n");
-	lprintf(CTDL_DEBUG, "Called as: %s\n", argv[0]);
+	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){
-		pw=getpwuid(config.c_ctdluid);
-		mkdir(ctdl_run_dir, 0755);
-		chown(ctdl_run_dir, config.c_ctdluid, (pw==NULL)?-1:pw->pw_gid);
-
+#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));
 	}
 			
 
@@ -208,14 +256,37 @@ int main(int argc, char **argv)
 	 */
 	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,
-							file_citadel_socket,
-							citproto_begin_session,
-							do_command_loop,
-							do_async_loop);
+				file_citadel_socket,
+				citproto_begin_session,
+				do_command_loop,
+				do_async_loop,
+				CitadelServiceUDS);
 
 	/*
 	 * Bind the server to our favorite TCP port (usually 504).
@@ -224,33 +295,64 @@ int main(int argc, char **argv)
 				NULL,
 				citproto_begin_session,
 				do_command_loop,
-				do_async_loop);
+				do_async_loop,
+				CitadelServiceTCP);
 
+				
+	
+	
 	/*
 	 * Load any server-side extensions available here.
 	 */
-	lprintf(CTDL_INFO, "Initializing server extensions\n");
-	size = strlen(ctdl_home_directory) + 9;
-	initialize_server_extensions();
+	syslog(LOG_INFO, "Initializing server extensions");
+	
+	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) {
-		if ((pw = getpwuid(CTDLUID)) == NULL)
-			lprintf(CTDL_CRIT, "WARNING: getpwuid(%ld): %s\n"
+		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)CTDLUID);
+		syslog(LOG_INFO, "Changing uid to %ld", (long)CTDLUID);
 		if (setuid(CTDLUID) != 0) {
-			lprintf(CTDL_CRIT, "setuid() failed: %s\n", strerror(errno));
+			syslog(LOG_CRIT, "setuid() failed: %s", strerror(errno));
 		}
 #if defined (HAVE_SYS_PRCTL_H) && defined (PR_SET_DUMPABLE)
 		prctl(PR_SET_DUMPABLE, 1);
@@ -260,26 +362,8 @@ int main(int argc, char **argv)
 	/* 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);
-
-	/* Create the indexer thread. */
-	create_maintenance_threads();
-
-	/* This thread is now useless.  It can't be turned into a worker
-	 * thread because its stack is too small, but it can't be killed
-	 * either because the whole server process would exit.  So we just
-	 * join to the first worker thread and exit when it exits.
-	 */
-	pthread_join(worker_list->tid, NULL);
-	master_cleanup(0);
+	go_threading();
+	
+	master_cleanup(exit_signal);
 	return(0);
 }