X-Git-Url: https://code.citadel.org/?a=blobdiff_plain;f=citadel%2Fserver_main.c;h=a015876e5beedd803790e92aa0dda78093a5825d;hb=0475c981817d12900332693297a77a9ae7168129;hp=d4558f86d5299c3061406adbe70a3d869d474ceb;hpb=56d69e5d8434e98835a2582c59b771ba69475431;p=citadel.git

diff --git a/citadel/server_main.c b/citadel/server_main.c
index d4558f86d..a015876e5 100644
--- a/citadel/server_main.c
+++ b/citadel/server_main.c
@@ -1,88 +1,32 @@
 /*
  * citserver's main() function lives here.
  * 
- * Copyright (c) 1987-2010 by the citadel.org team
+ * Copyright (c) 1987-2015 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 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.
- *
- * 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 "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";
 
@@ -95,19 +39,21 @@ void go_threading(void);
  */
 int main(int argc, char **argv)
 {
+	size_t basesize = 64;
 	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;
+	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
@@ -116,92 +62,111 @@ int main(int argc, char **argv)
 //	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();
+	InitializeMasterTSD();
 
 	/* parse command-line arguments */
-	for (a=1; a<argc; ++a) {
+	while ((a=getopt(argc, argv, "l:dh:x:t:B:Dru:")) != EOF) switch(a) {
 
-		if (!strncmp(argv[a], "-l", 2)) {
-			safestrncpy(facility, &argv[a][2], sizeof(facility));
+		case 'l':
+			safestrncpy(facility, optarg, sizeof(facility));
 			syslog_facility = SyslogFacility(facility);
-			enable_syslog = 1;
-		}
+			break;
 
 		/* run in the background if -d was specified */
-		else if (!strcmp(argv[a], "-d")) {
+		case 'd':
 			running_as_daemon = 1;
-		}
+			break;
 
-		/* 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);
+		case 'h':
+			relh = optarg[0] != '/';
+			if (!relh) {
+				safestrncpy(ctdl_home_directory, optarg, sizeof ctdl_home_directory);
+			}
+			else {
+				safestrncpy(relhome, optarg, sizeof relhome);
+			}
 			home=1;
-		}
+			break;
 
-		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;
-		}
+		case 'x':
+			eDebuglist [0] = optarg;
+			break;
+
+		case 't':	/* deprecated */
+			break;
+                case 'B': /* Basesize */
+                        basesize = atoi(optarg);
+                        break;
 
-		else if (!strncmp(argv[a], "-D", 2)) {
+		case 'D':
 			dbg = 1;
-		}
+			break;
 
-		/* -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"))
+		/* -r tells the server not to drop root permissions.
+		 * Don't use this unless you know what you're doing.
+		 */
+		case 'r':
 			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 */
-		else {
-			CtdlLogPrintf(CTDL_EMERG,	"citserver: usage: "
+			fprintf(stderr,	"citserver: usage: "
 					"citserver "
-					"[-lLogFacility] "
-					"[-d] [-D] [-s]"
-					" [-tTraceFile]"
-					" [-xLogLevel] [-hHomeDir]\n");
+					"[-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);
 	}
 
-	if (have_minus_x && running_as_daemon && have_log)
-		print_to_logfile = 1;
+	StartLibCitadel(basesize);
+	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 */
@@ -210,7 +175,8 @@ int main(int argc, char **argv)
 		drop_root_perms = 1;
 	}
 
-#ifdef HAVE_BACKTRACE
+#if 0
+ def HAVE_BACKTRACE
 	bzero(&params, sizeof(params));
 	params.filename = file_pid_paniclog;
 	panic_fd=open(file_pid_paniclog, O_APPEND|O_CREAT|O_DIRECT);
@@ -226,39 +192,18 @@ int main(int argc, char **argv)
 	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",
+	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());
-	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();
+	syslog(LOG_NOTICE, "Copyright (C) 1987-2015 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());
 
 #ifdef HAVE_RUN_DIR
 	/* on some dists rundir gets purged on startup. so we need to recreate it. */
@@ -266,21 +211,21 @@ int main(int argc, char **argv)
 	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;
 #endif // HAVE_GETPWUID_R
 
 		if ((mkdir(ctdl_run_dir, 0755) != 0) && (errno != EEXIST))
-			CtdlLogPrintf(CTDL_EMERG, 
+			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)
-			CtdlLogPrintf(CTDL_EMERG, 
+		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));
 	}
@@ -304,22 +249,22 @@ int main(int argc, char **argv)
 	/*
 	 * Run any upgrade entry points
 	 */
-	CtdlLogPrintf(CTDL_INFO, "Upgrading modules.\n");
+	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 */
+		/* 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 */
+		CtdlGetUser(&masterCC.user, "SYS_Citadel"); /* Just to be safe */
 	}
 	
 	/*
-	 * Bind the server to a Unix-domain socket.
+	 * Bind the server to a Unix-domain socket (user client access)
 	 */
 	CtdlRegisterServiceHook(0,
 				file_citadel_socket,
@@ -328,10 +273,21 @@ int main(int argc, char **argv)
 				do_async_loop,
 				CitadelServiceUDS);
 
+	/*
+	 * Bind the server to a Unix-domain socket (admin client access)
+	 */
+	CtdlRegisterServiceHook(0,
+				file_citadel_admin_socket,
+				citproto_begin_admin_session,
+				do_command_loop,
+				do_async_loop,
+				CitadelServiceUDS);
+	chmod(file_citadel_admin_socket, S_IRWXU);	/* for your eyes only */
+
 	/*
 	 * 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,
@@ -344,17 +300,17 @@ int main(int argc, char **argv)
 	/*
 	 * Load any server-side extensions available here.
 	 */
-	CtdlLogPrintf(CTDL_INFO, "Initializing server extensions\n");
-	size = strlen(ctdl_home_directory) + 9;
+	syslog(LOG_INFO, "Initializing server extensions");
 	
 	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();
 	}
 
@@ -375,27 +331,27 @@ int main(int argc, char **argv)
 
 #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;
 #endif // HAVE_GETPWUID_R
 
 		if (pwp == NULL)
-			CtdlLogPrintf(CTDL_CRIT, "WARNING: getpwuid(%ld): %s\n"
+			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))
-				CtdlLogPrintf(CTDL_CRIT, "setgid(%ld): %s\n", (long)pw.pw_gid,
+				syslog(LOG_CRIT, "setgid(%ld): %s", (long)pw.pw_gid,
 					strerror(errno));
 		}
-		CtdlLogPrintf(CTDL_INFO, "Changing uid to %ld\n", (long)CTDLUID);
+		syslog(LOG_INFO, "Changing uid to %ld", (long)CTDLUID);
 		if (setuid(CTDLUID) != 0) {
-			CtdlLogPrintf(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);
@@ -403,11 +359,10 @@ int main(int argc, char **argv)
 	}
 
 	/* 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);
 }