Adding upstream version 2.4.47+dfsg.upstream/2.4.47+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 1142 insertions, 0 deletions

diff --git a/servers/slapd/main.c b/servers/slapd/main.c
new file mode 100644
index 0000000..c212209
--- /dev/null
+++ b/servers/slapd/main.c
@@ -0,0 +1,1142 @@
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2018 The OpenLDAP Foundation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+/* Portions Copyright (c) 1995 Regents of the University of Michigan.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that this notice is preserved and that due credit is given
+ * to the University of Michigan at Ann Arbor. The name of the University
+ * may not be used to endorse or promote products derived from this
+ * software without specific prior written permission. This software
+ * is provided ``as is'' without express or implied warranty.
+ */
+
+#include "portable.h"
+
+#include <stdio.h>
+
+#include <ac/ctype.h>
+#include <ac/socket.h>
+#include <ac/string.h>
+#include <ac/time.h>
+#include <ac/unistd.h>
+#include <ac/wait.h>
+#include <ac/errno.h>
+
+#include "slap.h"
+#include "lutil.h"
+#include "ldif.h"
+
+#ifdef LDAP_SLAPI
+#include "slapi/slapi.h"
+#endif
+
+#ifdef LDAP_SIGCHLD
+static RETSIGTYPE wait4child( int sig );
+#endif
+
+#ifdef HAVE_NT_SERVICE_MANAGER
+#define MAIN_RETURN(x) return
+static struct sockaddr_in	bind_addr;
+
+#define SERVICE_EXIT( e, n )	do { \
+	if ( is_NT_Service ) { \
+		lutil_ServiceStatus.dwWin32ExitCode				= (e); \
+		lutil_ServiceStatus.dwServiceSpecificExitCode	= (n); \
+	} \
+} while ( 0 )
+
+#else
+#define SERVICE_EXIT( e, n )
+#define MAIN_RETURN(x) return(x)
+#endif
+
+typedef int (MainFunc) LDAP_P(( int argc, char *argv[] ));
+extern MainFunc slapadd, slapcat, slapdn, slapindex, slappasswd,
+	slaptest, slapauth, slapacl, slapschema;
+
+static struct {
+	char *name;
+	MainFunc *func;
+} tools[] = {
+	{"slapadd", slapadd},
+	{"slapcat", slapcat},
+	{"slapdn", slapdn},
+	{"slapindex", slapindex},
+	{"slappasswd", slappasswd},
+	{"slapschema", slapschema},
+	{"slaptest", slaptest},
+	{"slapauth", slapauth},
+	{"slapacl", slapacl},
+	/* NOTE: new tools must be added in chronological order,
+	 * not in alphabetical order, because for backwards
+	 * compatibility name[4] is used to identify the
+	 * tools; so name[4]=='a' must refer to "slapadd" and
+	 * not to "slapauth".  Alphabetical order can be used
+	 * for tools whose name[4] is not used yet */
+	{NULL, NULL}
+};
+
+/*
+ * when more than one slapd is running on one machine, each one might have
+ * it's own LOCAL for syslogging and must have its own pid/args files
+ */
+
+#ifndef HAVE_MKVERSION
+const char Versionstr[] =
+	OPENLDAP_PACKAGE " " OPENLDAP_VERSION " Standalone LDAP Server (slapd)";
+#endif
+
+extern OverlayInit slap_oinfo[];
+extern BackendInfo slap_binfo[];
+
+#define	CHECK_NONE	0x00
+#define	CHECK_CONFIG	0x01
+#define	CHECK_LOGLEVEL	0x02
+static int check = CHECK_NONE;
+static int version = 0;
+
+void *slap_tls_ctx;
+LDAP *slap_tls_ld;
+
+static int
+slapd_opt_slp( const char *val, void *arg )
+{
+#ifdef HAVE_SLP
+	/* NULL is default */
+	if ( val == NULL || *val == '(' || strcasecmp( val, "on" ) == 0 ) {
+		slapd_register_slp = 1;
+		slapd_slp_attrs = (val != NULL && *val == '(') ? val : NULL;
+
+	} else if ( strcasecmp( val, "off" ) == 0 ) {
+		slapd_register_slp = 0;
+
+	/* NOTE: add support for URL specification? */
+
+	} else {
+		fprintf(stderr, "unrecognized value \"%s\" for SLP option\n", val );
+		return -1;
+	}
+
+	return 0;
+		
+#else
+	fputs( "slapd: SLP support is not available\n", stderr );
+	return 0;
+#endif
+}
+
+/*
+ * Option helper structure:
+ * 
+ * oh_nam	is left-hand part of <option>[=<value>]
+ * oh_fnc	is handler function
+ * oh_arg	is an optional arg to oh_fnc
+ * oh_usage	is the one-line usage string related to the option,
+ *		which is assumed to start with <option>[=<value>]
+ *
+ * please leave valid options in the structure, and optionally #ifdef
+ * their processing inside the helper, so that reasonable and helpful
+ * error messages can be generated if a disabled option is requested.
+ */
+struct option_helper {
+	struct berval	oh_name;
+	int		(*oh_fnc)(const char *val, void *arg);
+	void		*oh_arg;
+	const char	*oh_usage;
+} option_helpers[] = {
+	{ BER_BVC("slp"),	slapd_opt_slp,	NULL, "slp[={on|off|(attrs)}] enable/disable SLP using (attrs)" },
+	{ BER_BVNULL, 0, NULL, NULL }
+};
+
+#if defined(LDAP_DEBUG) && defined(LDAP_SYSLOG)
+#ifdef LOG_LOCAL4
+int
+parse_syslog_user( const char *arg, int *syslogUser )
+{
+	static slap_verbmasks syslogUsers[] = {
+		{ BER_BVC( "LOCAL0" ), LOG_LOCAL0 },
+		{ BER_BVC( "LOCAL1" ), LOG_LOCAL1 },
+		{ BER_BVC( "LOCAL2" ), LOG_LOCAL2 },
+		{ BER_BVC( "LOCAL3" ), LOG_LOCAL3 },
+		{ BER_BVC( "LOCAL4" ), LOG_LOCAL4 },
+		{ BER_BVC( "LOCAL5" ), LOG_LOCAL5 },
+		{ BER_BVC( "LOCAL6" ), LOG_LOCAL6 },
+		{ BER_BVC( "LOCAL7" ), LOG_LOCAL7 },
+#ifdef LOG_USER
+		{ BER_BVC( "USER" ), LOG_USER },
+#endif /* LOG_USER */
+#ifdef LOG_DAEMON
+		{ BER_BVC( "DAEMON" ), LOG_DAEMON },
+#endif /* LOG_DAEMON */
+		{ BER_BVNULL, 0 }
+	};
+	int i = verb_to_mask( arg, syslogUsers );
+
+	if ( BER_BVISNULL( &syslogUsers[ i ].word ) ) {
+		Debug( LDAP_DEBUG_ANY,
+			"unrecognized syslog user \"%s\".\n",
+			arg, 0, 0 );
+		return 1;
+	}
+
+	*syslogUser = syslogUsers[ i ].mask;
+
+	return 0;
+}
+#endif /* LOG_LOCAL4 */
+
+int
+parse_syslog_level( const char *arg, int *levelp )
+{
+	static slap_verbmasks	str2syslog_level[] = {
+		{ BER_BVC( "EMERG" ),	LOG_EMERG },
+		{ BER_BVC( "ALERT" ),	LOG_ALERT },
+		{ BER_BVC( "CRIT" ),	LOG_CRIT },
+		{ BER_BVC( "ERR" ),	LOG_ERR },
+		{ BER_BVC( "WARNING" ),	LOG_WARNING },
+		{ BER_BVC( "NOTICE" ),	LOG_NOTICE },
+		{ BER_BVC( "INFO" ),	LOG_INFO },
+		{ BER_BVC( "DEBUG" ),	LOG_DEBUG },
+		{ BER_BVNULL, 0 }
+	};
+	int i = verb_to_mask( arg, str2syslog_level );
+	if ( BER_BVISNULL( &str2syslog_level[ i ].word ) ) {
+		Debug( LDAP_DEBUG_ANY,
+			"unknown syslog level \"%s\".\n",
+			arg, 0, 0 );
+		return 1;
+	}
+	
+	*levelp = str2syslog_level[ i ].mask;
+
+	return 0;
+}
+#endif /* LDAP_DEBUG && LDAP_SYSLOG */
+
+int
+parse_debug_unknowns( char **unknowns, int *levelp )
+{
+	int i, level, rc = 0;
+
+	for ( i = 0; unknowns[ i ] != NULL; i++ ) {
+		level = 0;
+		if ( str2loglevel( unknowns[ i ], &level )) {
+			fprintf( stderr,
+				"unrecognized log level \"%s\"\n", unknowns[ i ] );
+			rc = 1;
+		} else {
+			*levelp |= level;
+		}
+	}
+	return rc;
+}
+
+int
+parse_debug_level( const char *arg, int *levelp, char ***unknowns )
+{
+	int	level;
+
+	if ( arg && arg[ 0 ] != '-' && !isdigit( (unsigned char) arg[ 0 ] ) )
+	{
+		int	i;
+		char	**levels;
+
+		levels = ldap_str2charray( arg, "," );
+
+		for ( i = 0; levels[ i ] != NULL; i++ ) {
+			level = 0;
+
+			if ( str2loglevel( levels[ i ], &level ) ) {
+				/* remember this for later */
+				ldap_charray_add( unknowns, levels[ i ] );
+				fprintf( stderr,
+					"unrecognized log level \"%s\" (deferred)\n",
+					levels[ i ] );
+			} else {
+				*levelp |= level;
+			}
+		}
+
+		ldap_charray_free( levels );
+
+	} else {
+		int rc;
+
+		if ( arg[0] == '-' ) {
+			rc = lutil_atoix( &level, arg, 0 );
+		} else {
+			unsigned ulevel;
+
+			rc = lutil_atoux( &ulevel, arg, 0 );
+			level = (int)ulevel;
+		}
+
+		if ( rc ) {
+			fprintf( stderr,
+				"unrecognized log level "
+				"\"%s\"\n", arg );
+			return 1;
+		}
+
+		if ( level == 0 ) {
+			*levelp = 0;
+
+		} else {
+			*levelp |= level;
+		}
+	}
+
+	return 0;
+}
+
+static void
+usage( char *name )
+{
+	fprintf( stderr,
+		"usage: %s options\n", name );
+	fprintf( stderr,
+		"\t-4\t\tIPv4 only\n"
+		"\t-6\t\tIPv6 only\n"
+		"\t-T {acl|add|auth|cat|dn|index|passwd|test}\n"
+		"\t\t\tRun in Tool mode\n"
+		"\t-c cookie\tSync cookie of consumer\n"
+		"\t-d level\tDebug level" "\n"
+		"\t-f filename\tConfiguration file\n"
+		"\t-F dir\tConfiguration directory\n"
+#if defined(HAVE_SETUID) && defined(HAVE_SETGID)
+		"\t-g group\tGroup (id or name) to run as\n"
+#endif
+		"\t-h URLs\t\tList of URLs to serve\n"
+#ifdef SLAP_DEFAULT_SYSLOG_USER
+		"\t-l facility\tSyslog facility (default: LOCAL4)\n"
+#endif
+		"\t-n serverName\tService name\n"
+		"\t-o <opt>[=val] generic means to specify options" );
+	if ( !BER_BVISNULL( &option_helpers[0].oh_name ) ) {
+		int	i;
+
+		fprintf( stderr, "; supported options:\n" );
+		for ( i = 0; !BER_BVISNULL( &option_helpers[i].oh_name ); i++) {
+			fprintf( stderr, "\t\t%s\n", option_helpers[i].oh_usage );
+		}
+	} else {
+		fprintf( stderr, "\n" );
+	}
+	fprintf( stderr,	
+#ifdef HAVE_CHROOT
+		"\t-r directory\tSandbox directory to chroot to\n"
+#endif
+		"\t-s level\tSyslog level\n"
+#if defined(HAVE_SETUID) && defined(HAVE_SETGID)
+		"\t-u user\t\tUser (id or name) to run as\n"
+#endif
+		"\t-V\t\tprint version info (-VV exit afterwards, -VVV print\n"
+		"\t\t\tinfo about static overlays and backends)\n"
+    );
+}
+
+#ifdef HAVE_NT_SERVICE_MANAGER
+void WINAPI ServiceMain( DWORD argc, LPTSTR *argv )
+#else
+int main( int argc, char **argv )
+#endif
+{
+	int		i, no_detach = 0;
+	int		rc = 1;
+	char *urls = NULL;
+#if defined(HAVE_SETUID) && defined(HAVE_SETGID)
+	char *username = NULL;
+	char *groupname = NULL;
+#endif
+#if defined(HAVE_CHROOT)
+	char *sandbox = NULL;
+#endif
+#ifdef SLAP_DEFAULT_SYSLOG_USER
+	int syslogUser = SLAP_DEFAULT_SYSLOG_USER;
+#endif
+	
+#ifndef HAVE_WINSOCK
+	int pid, waitfds[2];
+#endif
+	int g_argc = argc;
+	char **g_argv = argv;
+
+	char *configfile = NULL;
+	char *configdir = NULL;
+	char *serverName;
+	int serverMode = SLAP_SERVER_MODE;
+
+	struct sync_cookie *scp = NULL;
+	struct sync_cookie *scp_entry = NULL;
+
+	char **debug_unknowns = NULL;
+	char **syslog_unknowns = NULL;
+
+	char *serverNamePrefix = "";
+	size_t	l;
+
+	int slapd_pid_file_unlink = 0, slapd_args_file_unlink = 0;
+	int firstopt = 1;
+
+#ifdef CSRIMALLOC
+	FILE *leakfile;
+	if( ( leakfile = fopen( "slapd.leak", "w" )) == NULL ) {
+		leakfile = stderr;
+	}
+#endif
+
+	slap_sl_mem_init();
+
+	(void) ldap_pvt_thread_initialize();
+
+	serverName = lutil_progname( "slapd", argc, argv );
+
+	if ( strcmp( serverName, "slapd" ) ) {
+		for (i=0; tools[i].name; i++) {
+			if ( !strcmp( serverName, tools[i].name ) ) {
+				rc = tools[i].func(argc, argv);
+				MAIN_RETURN(rc);
+			}
+		}
+	}
+
+#ifdef HAVE_NT_SERVICE_MANAGER
+	{
+		int *ip;
+		char *newConfigFile;
+		char *newConfigDir;
+		char *newUrls;
+		char *regService = NULL;
+
+		if ( is_NT_Service ) {
+			lutil_CommenceStartupProcessing( serverName, slap_sig_shutdown );
+			if ( strcmp(serverName, SERVICE_NAME) )
+			    regService = serverName;
+		}
+
+		ip = (int*)lutil_getRegParam( regService, "DebugLevel" );
+		if ( ip != NULL ) {
+			slap_debug = *ip;
+			Debug( LDAP_DEBUG_ANY,
+				"new debug level from registry is: %d\n", slap_debug, 0, 0 );
+		}
+
+		newUrls = (char *) lutil_getRegParam(regService, "Urls");
+		if (newUrls) {
+		    if (urls)
+			ch_free(urls);
+
+		    urls = ch_strdup(newUrls);
+		    Debug(LDAP_DEBUG_ANY, "new urls from registry: %s\n",
+				urls, 0, 0);
+		}
+
+		newConfigFile = (char*)lutil_getRegParam( regService, "ConfigFile" );
+		if ( newConfigFile != NULL ) {
+			configfile = ch_strdup(newConfigFile);
+			Debug ( LDAP_DEBUG_ANY, "new config file from registry is: %s\n", configfile, 0, 0 );
+		}
+
+		newConfigDir = (char*)lutil_getRegParam( regService, "ConfigDir" );
+		if ( newConfigDir != NULL ) {
+			configdir = ch_strdup(newConfigDir);
+			Debug ( LDAP_DEBUG_ANY, "new config dir from registry is: %s\n", configdir, 0, 0 );
+		}
+	}
+#endif
+
+	while ( (i = getopt( argc, argv,
+			     "c:d:f:F:h:n:o:s:tT:V"
+#ifdef LDAP_PF_INET6
+				"46"
+#endif
+#ifdef HAVE_CHROOT
+				"r:"
+#endif
+#if defined(LDAP_DEBUG) && defined(LDAP_SYSLOG)
+				"S:"
+#ifdef LOG_LOCAL4
+				"l:"
+#endif
+#endif
+#if defined(HAVE_SETUID) && defined(HAVE_SETGID)
+				"u:g:"
+#endif
+			     )) != EOF ) {
+		switch ( i ) {
+#ifdef LDAP_PF_INET6
+		case '4':
+			slap_inet4or6 = AF_INET;
+			break;
+		case '6':
+			slap_inet4or6 = AF_INET6;
+			break;
+#endif
+
+		case 'h':	/* listen URLs */
+			if ( urls != NULL ) free( urls );
+			urls = ch_strdup( optarg );
+			break;
+
+		case 'c':	/* provide sync cookie, override if exist in replica */
+			scp = (struct sync_cookie *) ch_calloc( 1,
+										sizeof( struct sync_cookie ));
+			ber_str2bv( optarg, 0, 1, &scp->octet_str );
+			
+			/* This only parses out the rid at this point */
+			slap_parse_sync_cookie( scp, NULL );
+
+			if ( scp->rid == -1 ) {
+				Debug( LDAP_DEBUG_ANY,
+						"main: invalid cookie \"%s\"\n",
+						optarg, 0, 0 );
+				slap_sync_cookie_free( scp, 1 );
+				goto destroy;
+			}
+
+			LDAP_STAILQ_FOREACH( scp_entry, &slap_sync_cookie, sc_next ) {
+				if ( scp->rid == scp_entry->rid ) {
+					Debug( LDAP_DEBUG_ANY,
+						    "main: duplicated replica id in cookies\n",
+							0, 0, 0 );
+					slap_sync_cookie_free( scp, 1 );
+					goto destroy;
+				}
+			}
+			LDAP_STAILQ_INSERT_TAIL( &slap_sync_cookie, scp, sc_next );
+			break;
+
+		case 'd': {	/* set debug level and 'do not detach' flag */
+			int	level = 0;
+
+			if ( strcmp( optarg, "?" ) == 0 ) {
+				check |= CHECK_LOGLEVEL;
+				break;
+			}
+
+			no_detach = 1;
+			if ( parse_debug_level( optarg, &level, &debug_unknowns ) ) {
+				goto destroy;
+			}
+#ifdef LDAP_DEBUG
+			slap_debug |= level;
+#else
+			if ( level != 0 )
+				fputs( "must compile with LDAP_DEBUG for debugging\n",
+				       stderr );
+#endif
+			} break;
+
+		case 'f':	/* read config file */
+			configfile = ch_strdup( optarg );
+			break;
+
+		case 'F':	/* use config dir */
+			configdir = ch_strdup( optarg );
+			break;
+
+		case 'o': {
+			char		*val = strchr( optarg, '=' );
+			struct berval	opt;
+
+			opt.bv_val = optarg;
+			
+			if ( val ) {
+				opt.bv_len = ( val - optarg );
+				val++;
+			
+			} else {
+				opt.bv_len = strlen( optarg );
+			}
+
+			for ( i = 0; !BER_BVISNULL( &option_helpers[i].oh_name ); i++ ) {
+				if ( ber_bvstrcasecmp( &option_helpers[i].oh_name, &opt ) == 0 ) {
+					assert( option_helpers[i].oh_fnc != NULL );
+					if ( (*option_helpers[i].oh_fnc)( val, option_helpers[i].oh_arg ) == -1 ) {
+						/* we assume the option parsing helper
+						 * issues appropriate and self-explanatory
+						 * error messages... */
+						goto stop;
+					}
+					break;
+				}
+			}
+
+			if ( BER_BVISNULL( &option_helpers[i].oh_name ) ) {
+				goto unhandled_option;
+			}
+			break;
+		}
+
+		case 's':	/* set syslog level */
+			if ( strcmp( optarg, "?" ) == 0 ) {
+				check |= CHECK_LOGLEVEL;
+				break;
+			}
+
+			if ( parse_debug_level( optarg, &ldap_syslog, &syslog_unknowns ) ) {
+				goto destroy;
+			}
+			break;
+
+#if defined(LDAP_DEBUG) && defined(LDAP_SYSLOG)
+		case 'S':
+			if ( parse_syslog_level( optarg, &ldap_syslog_level ) ) {
+				goto destroy;
+			}
+			break;
+
+#ifdef LOG_LOCAL4
+		case 'l':	/* set syslog local user */
+			if ( parse_syslog_user( optarg, &syslogUser ) ) {
+				goto destroy;
+			}
+			break;
+#endif
+#endif /* LDAP_DEBUG && LDAP_SYSLOG */
+
+#ifdef HAVE_CHROOT
+		case 'r':
+			if( sandbox ) free(sandbox);
+			sandbox = ch_strdup( optarg );
+			break;
+#endif
+
+#if defined(HAVE_SETUID) && defined(HAVE_SETGID)
+		case 'u':	/* user name */
+			if( username ) free(username);
+			username = ch_strdup( optarg );
+			break;
+
+		case 'g':	/* group name */
+			if( groupname ) free(groupname);
+			groupname = ch_strdup( optarg );
+			break;
+#endif /* SETUID && GETUID */
+
+		case 'n':  /* NT service name */
+			serverName = ch_strdup( optarg );
+			break;
+
+		case 't':
+			/* deprecated; use slaptest instead */
+			fprintf( stderr, "option -t deprecated; "
+				"use slaptest command instead\n" );
+			check |= CHECK_CONFIG;
+			break;
+
+		case 'V':
+			version++;
+			break;
+
+		case 'T':
+			if ( firstopt == 0 ) {
+				fprintf( stderr, "warning: \"-T %s\" "
+					"should be the first option.\n",
+					optarg );
+			}
+
+			/* try full option string first */
+			for ( i = 0; tools[i].name; i++ ) {
+				if ( strcmp( optarg, &tools[i].name[4] ) == 0 ) {
+					rc = tools[i].func( argc, argv );
+					MAIN_RETURN( rc );
+				}
+			}
+
+			/* try bits of option string (backward compatibility for single char) */
+			l = strlen( optarg );
+			for ( i = 0; tools[i].name; i++ ) {
+				if ( strncmp( optarg, &tools[i].name[4], l ) == 0 ) {
+					rc = tools[i].func( argc, argv );
+					MAIN_RETURN( rc );
+				}
+			}
+			
+			/* issue error */
+			serverName = optarg;
+			serverNamePrefix = "slap";
+			fprintf( stderr, "program name \"%s%s\" unrecognized; "
+					"aborting...\n", serverNamePrefix, serverName );
+			/* FALLTHRU */
+		default:
+unhandled_option:;
+			usage( argv[0] );
+			rc = 1;
+			SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 15 );
+			goto stop;
+		}
+
+		if ( firstopt ) {
+			firstopt = 0;
+		}
+	}
+
+	if ( optind != argc )
+		goto unhandled_option;
+
+	ber_set_option(NULL, LBER_OPT_DEBUG_LEVEL, &slap_debug);
+	ldap_set_option(NULL, LDAP_OPT_DEBUG_LEVEL, &slap_debug);
+	ldif_debug = slap_debug;
+
+	if ( version ) {
+		fprintf( stderr, "%s\n", Versionstr );
+		if ( version > 2 ) {
+			if ( slap_oinfo[0].ov_type ) {
+				fprintf( stderr, "Included static overlays:\n");
+				for ( i= 0 ; slap_oinfo[i].ov_type; i++ ) {
+					fprintf( stderr, "    %s\n", slap_oinfo[i].ov_type );
+				}
+			}
+			if ( slap_binfo[0].bi_type ) {
+				fprintf( stderr, "Included static backends:\n");
+				for ( i= 0 ; slap_binfo[i].bi_type; i++ ) {
+					fprintf( stderr, "    %s\n", slap_binfo[i].bi_type );
+				}
+			}
+		}
+
+		if ( version > 1 ) goto stop;
+	}
+
+#if defined(LDAP_DEBUG) && defined(LDAP_SYSLOG)
+	{
+		char *logName;
+#ifdef HAVE_EBCDIC
+		logName = ch_strdup( serverName );
+		__atoe( logName );
+#else
+		logName = serverName;
+#endif
+
+#ifdef LOG_LOCAL4
+		openlog( logName, OPENLOG_OPTIONS, syslogUser );
+#elif defined LOG_DEBUG
+		openlog( logName, OPENLOG_OPTIONS );
+#endif
+#ifdef HAVE_EBCDIC
+		free( logName );
+#endif
+	}
+#endif /* LDAP_DEBUG && LDAP_SYSLOG */
+
+	Debug( LDAP_DEBUG_ANY, "%s", Versionstr, 0, 0 );
+
+	global_host = ldap_pvt_get_fqdn( NULL );
+	ber_str2bv( global_host, 0, 0, &global_host_bv );
+
+	if( check == CHECK_NONE && slapd_daemon_init( urls ) != 0 ) {
+		rc = 1;
+		SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 16 );
+		goto stop;
+	}
+
+#if defined(HAVE_CHROOT)
+	if ( sandbox ) {
+		if ( chdir( sandbox ) ) {
+			perror("chdir");
+			rc = 1;
+			goto stop;
+		}
+		if ( chroot( sandbox ) ) {
+			perror("chroot");
+			rc = 1;
+			goto stop;
+		}
+		if ( chdir( "/" ) ) {
+			perror("chdir");
+			rc = 1;
+			goto stop;
+		}
+	}
+#endif
+
+#if defined(HAVE_SETUID) && defined(HAVE_SETGID)
+	if ( username != NULL || groupname != NULL ) {
+		slap_init_user( username, groupname );
+	}
+#endif
+
+	extops_init();
+	lutil_passwd_init();
+
+#ifdef HAVE_TLS
+	rc = ldap_create( &slap_tls_ld );
+	if ( rc ) {
+		SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 20 );
+		goto destroy;
+	}
+	/* Library defaults to full certificate checking. This is correct when
+	 * a client is verifying a server because all servers should have a
+	 * valid cert. But few clients have valid certs, so we want our default
+	 * to be no checking. The config file can override this as usual.
+	 */
+	rc = LDAP_OPT_X_TLS_NEVER;
+	(void) ldap_pvt_tls_set_option( slap_tls_ld, LDAP_OPT_X_TLS_REQUIRE_CERT, &rc );
+#endif
+
+	rc = slap_init( serverMode, serverName );
+	if ( rc ) {
+		SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 18 );
+		goto destroy;
+	}
+
+	if ( read_config( configfile, configdir ) != 0 ) {
+		rc = 1;
+		SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 19 );
+
+		if ( check & CHECK_CONFIG ) {
+			fprintf( stderr, "config check failed\n" );
+		}
+
+		goto destroy;
+	}
+
+	if ( debug_unknowns ) {
+		rc = parse_debug_unknowns( debug_unknowns, &slap_debug );
+		ldap_charray_free( debug_unknowns );
+		debug_unknowns = NULL;
+		if ( rc )
+			goto destroy;
+	}
+	if ( syslog_unknowns ) {
+		rc = parse_debug_unknowns( syslog_unknowns, &ldap_syslog );
+		ldap_charray_free( syslog_unknowns );
+		syslog_unknowns = NULL;
+		if ( rc )
+			goto destroy;
+	}	
+
+	if ( check & CHECK_LOGLEVEL ) {
+		rc = 0;
+		goto destroy;
+	}
+
+	if ( check & CHECK_CONFIG ) {
+		fprintf( stderr, "config check succeeded\n" );
+
+		check &= ~CHECK_CONFIG;
+		if ( check == CHECK_NONE ) {
+			rc = 0;
+			goto destroy;
+		}
+	}
+
+	if ( glue_sub_attach( 0 ) != 0 ) {
+		Debug( LDAP_DEBUG_ANY,
+		    "subordinate config error\n",
+		    0, 0, 0 );
+
+		goto destroy;
+	}
+
+	if ( slap_schema_check( ) != 0 ) {
+		Debug( LDAP_DEBUG_ANY,
+		    "schema prep error\n",
+		    0, 0, 0 );
+
+		goto destroy;
+	}
+
+#ifdef HAVE_TLS
+	rc = ldap_pvt_tls_init();
+	if( rc != 0) {
+		Debug( LDAP_DEBUG_ANY,
+		    "main: TLS init failed: %d\n",
+		    rc, 0, 0 );
+		rc = 1;
+		SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 20 );
+		goto destroy;
+	}
+
+	{
+		int opt = 1;
+
+		/* Force new ctx to be created */
+		rc = ldap_pvt_tls_set_option( slap_tls_ld, LDAP_OPT_X_TLS_NEWCTX, &opt );
+		if( rc == 0 ) {
+			/* The ctx's refcount is bumped up here */
+			ldap_pvt_tls_get_option( slap_tls_ld, LDAP_OPT_X_TLS_CTX, &slap_tls_ctx );
+			load_extop( &slap_EXOP_START_TLS, 0, starttls_extop );
+		} else if ( rc != LDAP_NOT_SUPPORTED ) {
+			Debug( LDAP_DEBUG_ANY,
+			    "main: TLS init def ctx failed: %d\n",
+			    rc, 0, 0 );
+			rc = 1;
+			SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 20 );
+			goto destroy;
+		}
+	}
+#endif
+
+#ifdef HAVE_CYRUS_SASL
+	if( sasl_host == NULL ) {
+		sasl_host = ch_strdup( global_host );
+	}
+#endif
+
+	(void) SIGNAL( LDAP_SIGUSR1, slap_sig_wake );
+	(void) SIGNAL( LDAP_SIGUSR2, slap_sig_shutdown );
+
+#ifdef SIGPIPE
+	(void) SIGNAL( SIGPIPE, SIG_IGN );
+#endif
+#ifdef SIGHUP
+	(void) SIGNAL( SIGHUP, slap_sig_shutdown );
+#endif
+	(void) SIGNAL( SIGINT, slap_sig_shutdown );
+	(void) SIGNAL( SIGTERM, slap_sig_shutdown );
+#ifdef SIGTRAP
+	(void) SIGNAL( SIGTRAP, slap_sig_shutdown );
+#endif
+#ifdef LDAP_SIGCHLD
+	(void) SIGNAL( LDAP_SIGCHLD, wait4child );
+#endif
+#ifdef SIGBREAK
+	/* SIGBREAK is generated when Ctrl-Break is pressed. */
+	(void) SIGNAL( SIGBREAK, slap_sig_shutdown );
+#endif
+
+#ifndef HAVE_WINSOCK
+	if ( !no_detach ) {
+		if ( lutil_pair( waitfds ) < 0 ) {
+			Debug( LDAP_DEBUG_ANY,
+				"main: lutil_pair failed: %d\n",
+				0, 0, 0 );
+			rc = 1;
+			goto destroy;
+		}
+		pid = lutil_detach( no_detach, 0 );
+		if ( pid ) {
+			char buf[4];
+			rc = EXIT_SUCCESS;
+			close( waitfds[1] );
+			if ( read( waitfds[0], buf, 1 ) != 1 )
+				rc = EXIT_FAILURE;
+			_exit( rc );
+		} else {
+			close( waitfds[0] );
+		}
+	}
+#endif /* HAVE_WINSOCK */
+
+#ifdef CSRIMALLOC
+	mal_leaktrace(1);
+#endif
+
+	if ( slapd_pid_file != NULL ) {
+		FILE *fp = fopen( slapd_pid_file, "w" );
+
+		if ( fp == NULL ) {
+			int save_errno = errno;
+
+			Debug( LDAP_DEBUG_ANY, "unable to open pid file "
+				"\"%s\": %d (%s)\n",
+				slapd_pid_file,
+				save_errno, strerror( save_errno ) );
+
+			free( slapd_pid_file );
+			slapd_pid_file = NULL;
+
+			rc = 1;
+			goto destroy;
+		}
+		fprintf( fp, "%d\n", (int) getpid() );
+		fclose( fp );
+		slapd_pid_file_unlink = 1;
+	}
+
+	if ( slapd_args_file != NULL ) {
+		FILE *fp = fopen( slapd_args_file, "w" );
+
+		if ( fp == NULL ) {
+			int save_errno = errno;
+
+			Debug( LDAP_DEBUG_ANY, "unable to open args file "
+				"\"%s\": %d (%s)\n",
+				slapd_args_file,
+				save_errno, strerror( save_errno ) );
+
+			free( slapd_args_file );
+			slapd_args_file = NULL;
+
+			rc = 1;
+			goto destroy;
+		}
+
+		for ( i = 0; i < g_argc; i++ ) {
+			fprintf( fp, "%s ", g_argv[i] );
+		}
+		fprintf( fp, "\n" );
+		fclose( fp );
+		slapd_args_file_unlink = 1;
+	}
+
+	/*
+	 * FIXME: moved here from slapd_daemon_task()
+	 * because back-monitor db_open() needs it
+	 */
+	time( &starttime );
+
+	connections_init();
+
+	if ( slap_startup( NULL ) != 0 ) {
+		rc = 1;
+		SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 21 );
+		goto shutdown;
+	}
+
+	Debug( LDAP_DEBUG_ANY, "slapd starting\n", 0, 0, 0 );
+
+#ifndef HAVE_WINSOCK
+	if ( !no_detach ) {
+		write( waitfds[1], "1", 1 );
+		close( waitfds[1] );
+	}
+#endif
+
+#ifdef HAVE_NT_EVENT_LOG
+	if (is_NT_Service)
+	lutil_LogStartedEvent( serverName, slap_debug, configfile ?
+		configfile : SLAPD_DEFAULT_CONFIGFILE , urls );
+#endif
+
+	rc = slapd_daemon();
+
+#ifdef HAVE_NT_SERVICE_MANAGER
+	/* Throw away the event that we used during the startup process. */
+	if ( is_NT_Service )
+		ldap_pvt_thread_cond_destroy( &started_event );
+#endif
+
+shutdown:
+	/* remember an error during shutdown */
+	rc |= slap_shutdown( NULL );
+
+destroy:
+	if ( check & CHECK_LOGLEVEL ) {
+		(void)loglevel_print( stdout );
+	}
+	/* remember an error during destroy */
+	rc |= slap_destroy();
+
+	while ( !LDAP_STAILQ_EMPTY( &slap_sync_cookie )) {
+		scp = LDAP_STAILQ_FIRST( &slap_sync_cookie );
+		LDAP_STAILQ_REMOVE_HEAD( &slap_sync_cookie, sc_next );
+		ch_free( scp );
+	}
+
+#ifdef SLAPD_MODULES
+	module_kill();
+#endif
+
+	extops_kill();
+
+	supported_feature_destroy();
+	entry_info_destroy();
+
+stop:
+#ifdef HAVE_NT_EVENT_LOG
+	if (is_NT_Service)
+	lutil_LogStoppedEvent( serverName );
+#endif
+
+	Debug( LDAP_DEBUG_ANY, "slapd stopped.\n", 0, 0, 0 );
+
+
+#ifdef HAVE_NT_SERVICE_MANAGER
+	lutil_ReportShutdownComplete();
+#endif
+
+#ifdef LOG_DEBUG
+    closelog();
+#endif
+	slapd_daemon_destroy();
+
+	controls_destroy();
+
+	filter_destroy();
+
+	schema_destroy();
+
+	lutil_passwd_destroy();
+
+#ifdef HAVE_TLS
+	if ( slap_tls_ld ) {
+		ldap_pvt_tls_ctx_free( slap_tls_ctx );
+		ldap_unbind_ext( slap_tls_ld, NULL, NULL );
+	}
+	ldap_pvt_tls_destroy();
+#endif
+
+	slap_sasl_regexp_destroy();
+
+	if ( slapd_pid_file_unlink ) {
+		unlink( slapd_pid_file );
+	}
+	if ( slapd_args_file_unlink ) {
+		unlink( slapd_args_file );
+	}
+
+	config_destroy();
+
+	if ( configfile )
+		ch_free( configfile );
+	if ( configdir )
+		ch_free( configdir );
+	if ( urls )
+		ch_free( urls );
+	if ( global_host )
+		ch_free( global_host );
+
+	/* kludge, get symbols referenced */
+	tavl_free( NULL, NULL );
+
+#ifdef CSRIMALLOC
+	mal_dumpleaktrace( leakfile );
+#endif
+
+	MAIN_RETURN(rc);
+}
+
+
+#ifdef LDAP_SIGCHLD
+
+/*
+ *  Catch and discard terminated child processes, to avoid zombies.
+ */
+
+static RETSIGTYPE
+wait4child( int sig )
+{
+    int save_errno = errno;
+
+#ifdef WNOHANG
+    do
+        errno = 0;
+#ifdef HAVE_WAITPID
+    while ( waitpid( (pid_t)-1, NULL, WNOHANG ) > 0 || errno == EINTR );
+#else
+    while ( wait3( NULL, WNOHANG, NULL ) > 0 || errno == EINTR );
+#endif
+#else
+    (void) wait( NULL );
+#endif
+    (void) SIGNAL_REINSTALL( sig, wait4child );
+    errno = save_errno;
+}
+
+#endif /* LDAP_SIGCHLD */