Adding upstream version 2.5.13+dfsg.upstream/2.5.13+dfsgupstream

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

1 files changed, 1228 insertions, 0 deletions

diff --git a/servers/slapd/slapcommon.c b/servers/slapd/slapcommon.c
new file mode 100644
index 0000000..e58c8be
--- /dev/null
+++ b/servers/slapd/slapcommon.c
@@ -0,0 +1,1228 @@
+/* slapcommon.c - common routine for the slap tools */
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2022 The OpenLDAP Foundation.
+ * Portions Copyright 1998-2003 Kurt D. Zeilenga.
+ * Portions Copyright 2003 IBM Corporation.
+ * 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 file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+/* ACKNOWLEDGEMENTS:
+ * This work was initially developed by Kurt Zeilenga for inclusion
+ * in OpenLDAP Software.  Additional significant contributors include
+ *    Jong Hyuk Choi
+ *    Hallvard B. Furuseth
+ *    Howard Chu
+ *    Pierangelo Masarati
+ */
+
+#include "portable.h"
+
+#include <stdio.h>
+
+#include <ac/stdlib.h>
+#include <ac/ctype.h>
+#include <ac/string.h>
+#include <ac/socket.h>
+#include <ac/unistd.h>
+
+#include "slapcommon.h"
+#include "lutil.h"
+#include "ldif.h"
+
+tool_vars tool_globals;
+enum slaptool slapTool;
+
+#ifdef CSRIMALLOC
+static char *leakfilename;
+static FILE *leakfile;
+#endif
+
+static LDIFFP dummy;
+
+#if defined(LDAP_SYSLOG) && defined(LDAP_DEBUG)
+int start_syslog;
+static char **syslog_unknowns;
+#ifdef LOG_LOCAL4
+static int syslogUser = SLAP_DEFAULT_SYSLOG_USER;
+#endif /* LOG_LOCAL4 */
+#endif /* LDAP_DEBUG && LDAP_SYSLOG */
+
+static void
+usage( int tool, const char *progname )
+{
+	char *options = NULL;
+	fprintf( stderr,
+		"usage: %s [-v] [-d debuglevel] [-f configfile] [-F configdir] [-o <name>[=<value>]]",
+		progname );
+
+	switch( tool ) {
+	case SLAPACL:
+		options = "\n\t[-U authcID | -D authcDN] [-X authzID | -o authzDN=<DN>]"
+			"\n\t-b DN [-u] [attr[/access][:value]] [...]\n";
+		break;
+
+	case SLAPADD:
+		options = " [-c]\n\t[-g] [-n databasenumber | -b suffix]\n"
+			"\t[-l ldiffile] [-j linenumber] [-q] [-u] [-s] [-w]\n";
+		break;
+
+	case SLAPAUTH:
+		options = "\n\t[-U authcID] [-X authzID] [-R realm] [-M mech] ID [...]\n";
+		break;
+
+	case SLAPCAT:
+		options = " [-c]\n\t[-g] [-n databasenumber | -b suffix]"
+			" [-l ldiffile] [-a filter] [-s subtree] [-H url]\n";
+		break;
+
+	case SLAPDN:
+		options = "\n\t[-N | -P] DN [...]\n";
+		break;
+
+	case SLAPINDEX:
+		options = " [-c]\n\t[-g] [-n databasenumber | -b suffix] [attr ...] [-q] [-t]\n";
+		break;
+
+	case SLAPMODIFY:
+		options = " [-c]\n\t[-g] [-n databasenumber | -b suffix]\n"
+			"\t[-l ldiffile] [-j linenumber] [-q] [-u] [-s] [-w]\n";
+		break;
+
+	case SLAPTEST:
+		options = " [-n databasenumber] [-u] [-Q]\n";
+		break;
+
+	case SLAPSCHEMA:
+		options = " [-c]\n\t[-g] [-n databasenumber | -b suffix]"
+			" [-l errorfile] [-a filter] [-s subtree] [-H url]\n";
+		break;
+	}
+
+	if ( options != NULL ) {
+		fputs( options, stderr );
+	}
+	exit( EXIT_FAILURE );
+}
+
+static int
+parse_slapopt( int tool, int *mode )
+{
+	size_t	len = 0;
+	char	*p;
+
+	p = strchr( optarg, '=' );
+	if ( p != NULL ) {
+		len = p - optarg;
+		p++;
+	}
+
+	if ( strncasecmp( optarg, "sockurl", len ) == 0 ) {
+		if ( !BER_BVISNULL( &listener_url ) ) {
+			ber_memfree( listener_url.bv_val );
+		}
+		ber_str2bv( p, 0, 1, &listener_url );
+
+	} else if ( strncasecmp( optarg, "domain", len ) == 0 ) {
+		if ( !BER_BVISNULL( &peer_domain ) ) {
+			ber_memfree( peer_domain.bv_val );
+		}
+		ber_str2bv( p, 0, 1, &peer_domain );
+
+	} else if ( strncasecmp( optarg, "peername", len ) == 0 ) {
+		if ( !BER_BVISNULL( &peer_name ) ) {
+			ber_memfree( peer_name.bv_val );
+		}
+		ber_str2bv( p, 0, 1, &peer_name );
+
+	} else if ( strncasecmp( optarg, "sockname", len ) == 0 ) {
+		if ( !BER_BVISNULL( &sock_name ) ) {
+			ber_memfree( sock_name.bv_val );
+		}
+		ber_str2bv( p, 0, 1, &sock_name );
+
+	} else if ( strncasecmp( optarg, "ssf", len ) == 0 ) {
+		if ( lutil_atou( &ssf, p ) ) {
+			Debug( LDAP_DEBUG_ANY, "unable to parse ssf=\"%s\".\n", p );
+			return -1;
+		}
+
+	} else if ( strncasecmp( optarg, "transport_ssf", len ) == 0 ) {
+		if ( lutil_atou( &transport_ssf, p ) ) {
+			Debug( LDAP_DEBUG_ANY, "unable to parse transport_ssf=\"%s\".\n", p );
+			return -1;
+		}
+
+	} else if ( strncasecmp( optarg, "tls_ssf", len ) == 0 ) {
+		if ( lutil_atou( &tls_ssf, p ) ) {
+			Debug( LDAP_DEBUG_ANY, "unable to parse tls_ssf=\"%s\".\n", p );
+			return -1;
+		}
+
+	} else if ( strncasecmp( optarg, "sasl_ssf", len ) == 0 ) {
+		if ( lutil_atou( &sasl_ssf, p ) ) {
+			Debug( LDAP_DEBUG_ANY, "unable to parse sasl_ssf=\"%s\".\n", p );
+			return -1;
+		}
+
+	} else if ( strncasecmp( optarg, "authzDN", len ) == 0 ) {
+		ber_str2bv( p, 0, 1, &authzDN );
+
+#if defined(LDAP_SYSLOG) && defined(LDAP_DEBUG)
+	} else if ( strncasecmp( optarg, "syslog", len ) == 0 ) {
+		if ( parse_debug_level( p, &ldap_syslog, &syslog_unknowns ) ) {
+			return -1;
+		}
+		start_syslog = 1;
+
+	} else if ( strncasecmp( optarg, "syslog-level", len ) == 0 ) {
+		if ( parse_syslog_level( p, &ldap_syslog_level ) ) {
+			return -1;
+		}
+		start_syslog = 1;
+
+#ifdef LOG_LOCAL4
+	} else if ( strncasecmp( optarg, "syslog-user", len ) == 0 ) {
+		if ( parse_syslog_user( p, &syslogUser ) ) {
+			return -1;
+		}
+		start_syslog = 1;
+#endif /* LOG_LOCAL4 */
+#endif /* LDAP_DEBUG && LDAP_SYSLOG */
+
+	} else if ( strncasecmp( optarg, "schema-check", len ) == 0 ) {
+		switch ( tool ) {
+		case SLAPADD:
+			if ( strcasecmp( p, "yes" ) == 0 ) {
+				*mode &= ~SLAP_TOOL_NO_SCHEMA_CHECK;
+			} else if ( strcasecmp( p, "no" ) == 0 ) {
+				*mode |= SLAP_TOOL_NO_SCHEMA_CHECK;
+			} else {
+				Debug( LDAP_DEBUG_ANY, "unable to parse schema-check=\"%s\".\n", p );
+				return -1;
+			}
+			break;
+
+		default:
+			Debug( LDAP_DEBUG_ANY, "schema-check meaningless for tool.\n" );
+			break;
+		}
+
+	} else if ( strncasecmp( optarg, "value-check", len ) == 0 ) {
+		switch ( tool ) {
+		case SLAPADD:
+			if ( strcasecmp( p, "yes" ) == 0 ) {
+				*mode |= SLAP_TOOL_VALUE_CHECK;
+			} else if ( strcasecmp( p, "no" ) == 0 ) {
+				*mode &= ~SLAP_TOOL_VALUE_CHECK;
+			} else {
+				Debug( LDAP_DEBUG_ANY, "unable to parse value-check=\"%s\".\n", p );
+				return -1;
+			}
+			break;
+
+		default:
+			Debug( LDAP_DEBUG_ANY, "value-check meaningless for tool.\n" );
+			break;
+		}
+
+	} else if ( ( strncasecmp( optarg, "ldif_wrap", len ) == 0 ) ||
+			( strncasecmp( optarg, "ldif-wrap", len ) == 0 ) ) {
+		switch ( tool ) {
+		case SLAPCAT:
+			if ( strcasecmp( p, "no" ) == 0 ) {
+				ldif_wrap = LDIF_LINE_WIDTH_MAX;
+
+			} else {
+				unsigned int u;
+				if ( lutil_atou( &u, p ) ) {
+					Debug( LDAP_DEBUG_ANY, "unable to parse ldif_wrap=\"%s\".\n", p );
+					return -1;
+				}
+				ldif_wrap = (ber_len_t)u;
+			}
+			break;
+
+		default:
+			Debug( LDAP_DEBUG_ANY, "ldif-wrap meaningless for tool.\n" );
+			break;
+		}
+
+	} else {
+		return -1;
+	}
+
+	return 0;
+}
+
+/*
+ * slap_tool_init - initialize slap utility, handle program options.
+ * arguments:
+ *	name		program name
+ *	tool		tool code
+ *	argc, argv	command line arguments
+ */
+
+static int need_shutdown;
+
+void
+slap_tool_init(
+	const char* progname,
+	int tool,
+	int argc, char **argv )
+{
+	char *options;
+	char *conffile = NULL;
+	char *confdir = NULL;
+	struct berval base = BER_BVNULL;
+	char *filterstr = NULL;
+	char *subtree = NULL;
+	char *ldiffile	= NULL;
+	char **debug_unknowns = NULL;
+	int rc, i;
+	int mode = SLAP_TOOL_MODE;
+	int truncatemode = 0;
+	int use_glue = 1;
+	int writer;
+
+#ifdef LDAP_DEBUG
+	/* tools default to "none", so that at least LDAP_DEBUG_ANY 
+	 * messages show up; use -d 0 to reset */
+	slap_debug = LDAP_DEBUG_NONE;
+	ldif_debug = slap_debug;
+#endif
+	ldap_syslog = 0;
+	/* make sure libldap gets init'd */
+	ldap_set_option( NULL, LDAP_OPT_DEBUG_LEVEL, &slap_debug );
+
+#ifdef CSRIMALLOC
+	leakfilename = malloc( strlen( progname ) + STRLENOF( ".leak" ) + 1 );
+	sprintf( leakfilename, "%s.leak", progname );
+	if( ( leakfile = fopen( leakfilename, "w" )) == NULL ) {
+		leakfile = stderr;
+	}
+	free( leakfilename );
+	leakfilename = NULL;
+#endif
+
+	ldif_wrap = LDIF_LINE_WIDTH;
+
+	scope = LDAP_SCOPE_DEFAULT;
+
+	switch( tool ) {
+	case SLAPADD:
+		options = "b:cd:f:F:gj:l:n:o:qsS:uvw";
+		break;
+
+	case SLAPCAT:
+		options = "a:b:cd:f:F:gH:l:n:o:s:v";
+		mode |= SLAP_TOOL_READMAIN | SLAP_TOOL_READONLY;
+		break;
+
+	case SLAPDN:
+		options = "d:f:F:No:Pv";
+		mode |= SLAP_TOOL_READMAIN | SLAP_TOOL_READONLY;
+		break;
+
+	case SLAPMODIFY:
+		options = "b:cd:f:F:gj:l:n:o:qsS:uvw";
+		break;
+
+	case SLAPSCHEMA:
+		options = "a:b:cd:f:F:gH:l:n:o:s:v";
+		mode |= SLAP_TOOL_READMAIN | SLAP_TOOL_READONLY;
+		break;
+
+	case SLAPTEST:
+		options = "d:f:F:n:o:Quv";
+		mode |= SLAP_TOOL_READMAIN | SLAP_TOOL_READONLY;
+		break;
+
+	case SLAPAUTH:
+		options = "d:f:F:M:o:R:U:vX:";
+		mode |= SLAP_TOOL_READMAIN | SLAP_TOOL_READONLY;
+		break;
+
+	case SLAPINDEX:
+		options = "b:cd:f:F:gn:o:qtv";
+		mode |= SLAP_TOOL_READMAIN;
+		break;
+
+	case SLAPACL:
+		options = "b:D:d:f:F:o:uU:vX:";
+		mode |= SLAP_TOOL_READMAIN | SLAP_TOOL_READONLY;
+		break;
+
+	default:
+		fprintf( stderr, "%s: unknown tool mode (%d)\n", progname, tool );
+		exit( EXIT_FAILURE );
+	}
+
+	dbnum = -1;
+	while ( (i = getopt( argc, argv, options )) != EOF ) {
+		switch ( i ) {
+		case 'a':
+			filterstr = optarg;
+			break;
+
+		case 'b':
+			ber_str2bv( optarg, 0, 1, &base );
+			break;
+
+		case 'c':	/* enable continue mode */
+			continuemode++;
+			break;
+
+		case 'd': {	/* turn on debugging */
+			int	level = 0;
+
+			if ( parse_debug_level( optarg, &level, &debug_unknowns ) ) {
+				usage( tool, progname );
+			}
+#ifdef LDAP_DEBUG
+			if ( level == 0 ) {
+				/* allow to reset log level */
+				slap_debug = 0;
+
+			} else {
+				slap_debug |= level;
+			}
+#else
+			if ( level != 0 )
+				fputs( "must compile with LDAP_DEBUG for debugging\n",
+				       stderr );
+#endif
+			} break;
+
+		case 'D':
+			ber_str2bv( optarg, 0, 1, &authcDN );
+			break;
+
+		case 'f':	/* specify a conf file */
+			conffile = optarg;
+			break;
+
+		case 'F':	/* specify a conf dir */
+			confdir = optarg;
+			break;
+
+		case 'g':	/* disable subordinate glue */
+			use_glue = 0;
+			break;
+
+		case 'H': {
+			LDAPURLDesc *ludp;
+			int rc;
+
+			rc = ldap_url_parse_ext( optarg, &ludp,
+				LDAP_PVT_URL_PARSE_NOEMPTY_HOST | LDAP_PVT_URL_PARSE_NOEMPTY_DN );
+			if ( rc != LDAP_URL_SUCCESS ) {
+				usage( tool, progname );
+			}
+
+			/* don't accept host, port, attrs, extensions */
+			if ( ldap_pvt_url_scheme2proto( ludp->lud_scheme ) != LDAP_PROTO_TCP ) {
+				usage( tool, progname );
+			}
+
+			if ( ludp->lud_host != NULL ) {
+				usage( tool, progname );
+			}
+
+			if ( ludp->lud_port != 0 ) {
+				usage( tool, progname );
+			}
+
+			if ( ludp->lud_attrs != NULL ) {
+				usage( tool, progname );
+			}
+
+			if ( ludp->lud_exts != NULL ) {
+				usage( tool, progname );
+			}
+
+			if ( ludp->lud_dn != NULL && ludp->lud_dn[0] != '\0' ) {
+				ch_free( subtree );
+				subtree = ludp->lud_dn;
+				ludp->lud_dn = NULL;
+			}
+
+			if ( ludp->lud_filter != NULL && ludp->lud_filter[0] != '\0' ) {
+				filterstr = ludp->lud_filter;
+				ludp->lud_filter = NULL;
+			}
+
+			scope = ludp->lud_scope;
+
+			ldap_free_urldesc( ludp );
+			} break;
+
+		case 'j':	/* jump to linenumber */
+			if ( lutil_atoul( &jumpline, optarg ) ) {
+				usage( tool, progname );
+			}
+			break;
+
+		case 'l':	/* LDIF file */
+			ldiffile = optarg;
+			break;
+
+		case 'M':
+			ber_str2bv( optarg, 0, 0, &mech );
+			break;
+
+		case 'N':
+			if ( dn_mode && dn_mode != SLAP_TOOL_LDAPDN_NORMAL ) {
+				usage( tool, progname );
+			}
+			dn_mode = SLAP_TOOL_LDAPDN_NORMAL;
+			break;
+
+		case 'n':	/* which config file db to index */
+			if ( lutil_atoi( &dbnum, optarg ) || dbnum < 0 ) {
+				usage( tool, progname );
+			}
+			break;
+
+		case 'o':
+			if ( parse_slapopt( tool, &mode ) ) {
+				usage( tool, progname );
+			}
+			break;
+
+		case 'P':
+			if ( dn_mode && dn_mode != SLAP_TOOL_LDAPDN_PRETTY ) {
+				usage( tool, progname );
+			}
+			dn_mode = SLAP_TOOL_LDAPDN_PRETTY;
+			break;
+
+		case 'Q':
+			quiet++;
+			slap_debug = 0;
+			break;
+
+		case 'q':	/* turn on quick */
+			mode |= SLAP_TOOL_QUICK;
+			break;
+
+		case 'R':
+			realm = optarg;
+			break;
+
+		case 'S':
+			if ( lutil_atou( &csnsid, optarg )
+				|| csnsid > SLAP_SYNC_SID_MAX )
+			{
+				usage( tool, progname );
+			}
+			break;
+
+		case 's':
+			switch ( tool ) {
+			case SLAPADD:
+			case SLAPMODIFY:
+				/* no schema check */
+				mode |= SLAP_TOOL_NO_SCHEMA_CHECK;
+				break;
+
+			case SLAPCAT:
+			case SLAPSCHEMA:
+				/* dump subtree */
+				ch_free( subtree );
+				subtree = optarg;
+				break;
+			}
+			break;
+
+		case 't':	/* turn on truncate */
+			truncatemode++;
+			mode |= SLAP_TRUNCATE_MODE;
+			break;
+
+		case 'U':
+			ber_str2bv( optarg, 0, 0, &authcID );
+			break;
+
+		case 'u':	/* dry run */
+			dryrun++;
+			break;
+
+		case 'v':	/* turn on verbose */
+			verbose++;
+			break;
+
+		case 'w':	/* write context csn at the end */
+			update_ctxcsn++;
+			break;
+
+		case 'X':
+			ber_str2bv( optarg, 0, 0, &authzID );
+			break;
+
+		default:
+			usage( tool, progname );
+			break;
+		}
+	}
+
+#if defined(LDAP_SYSLOG) && defined(LDAP_DEBUG)
+	if ( start_syslog ) {
+		char *logName;
+#ifdef HAVE_EBCDIC
+		logName = ch_strdup( progname );
+		__atoe( logName );
+#else
+		logName = (char *)progname;
+#endif
+
+#ifdef LOG_LOCAL4
+		openlog( logName, OPENLOG_OPTIONS, syslogUser );
+#elif defined LOG_DEBUG
+		openlog( logName, OPENLOG_OPTIONS );
+#endif
+#ifdef HAVE_EBCDIC
+		free( logName );
+		logName = NULL;
+#endif
+	}
+#endif /* LDAP_DEBUG && LDAP_SYSLOG */
+
+	switch ( tool ) {
+	case SLAPCAT:
+	case SLAPSCHEMA:
+		writer = 1;
+		break;
+
+	default:
+		writer = 0;
+		break;
+	}
+
+	switch ( tool ) {
+	case SLAPADD:
+	case SLAPCAT:
+	case SLAPMODIFY:
+	case SLAPSCHEMA:
+		if ( ( argc != optind ) || (dbnum >= 0 && base.bv_val != NULL ) ) {
+			usage( tool, progname );
+		}
+
+		break;
+
+	case SLAPINDEX:
+		if ( dbnum >= 0 && base.bv_val != NULL ) {
+			usage( tool, progname );
+		}
+
+		break;
+
+	case SLAPDN:
+		if ( argc == optind ) {
+			usage( tool, progname );
+		}
+		break;
+
+	case SLAPAUTH:
+		if ( argc == optind && BER_BVISNULL( &authcID ) ) {
+			usage( tool, progname );
+		}
+		break;
+
+	case SLAPTEST:
+		if ( argc != optind ) {
+			usage( tool, progname );
+		}
+		break;
+
+	case SLAPACL:
+		if ( !BER_BVISNULL( &authcDN ) && !BER_BVISNULL( &authcID ) ) {
+			usage( tool, progname );
+		}
+		if ( BER_BVISNULL( &base ) ) {
+			usage( tool, progname );
+		}
+		ber_dupbv( &baseDN, &base );
+		break;
+
+	default:
+		break;
+	}
+
+	if ( ldiffile == NULL ) {
+		dummy.fp = writer ? stdout : stdin;
+		ldiffp = &dummy;
+
+	} else if ((ldiffp = ldif_open( ldiffile, writer ? "w" : "r" ))
+		== NULL )
+	{
+		perror( ldiffile );
+		exit( EXIT_FAILURE );
+	}
+
+	/*
+	 * initialize stuff and figure out which backend we're dealing with
+	 */
+
+	slapTool = tool;
+	rc = slap_init( mode, progname );
+	if ( rc != 0 ) {
+		fprintf( stderr, "%s: slap_init failed!\n", progname );
+		exit( EXIT_FAILURE );
+	}
+
+	rc = read_config( conffile, confdir );
+
+	if ( rc != 0 ) {
+		fprintf( stderr, "%s: bad configuration %s!\n",
+			progname, confdir ? "directory" : "file" );
+		exit( EXIT_FAILURE );
+	}
+
+	if ( debug_unknowns ) {
+		rc = parse_debug_unknowns( debug_unknowns, &slap_debug );
+		ldap_charray_free( debug_unknowns );
+		debug_unknowns = NULL;
+		if ( rc )
+			exit( EXIT_FAILURE );
+	}
+
+#if defined(LDAP_SYSLOG) && defined(LDAP_DEBUG)
+	if ( syslog_unknowns ) {
+		rc = parse_debug_unknowns( syslog_unknowns, &ldap_syslog );
+		ldap_charray_free( syslog_unknowns );
+		syslog_unknowns = NULL;
+		if ( rc )
+			exit( EXIT_FAILURE );
+	}
+#endif
+
+	at_oc_cache = 1;
+
+	switch ( tool ) {
+	case SLAPADD:
+	case SLAPCAT:
+	case SLAPINDEX:
+	case SLAPMODIFY:
+	case SLAPSCHEMA:
+		if ( !nbackends ) {
+			fprintf( stderr, "No databases found "
+					"in config file\n" );
+			exit( EXIT_FAILURE );
+		}
+		break;
+
+	default:
+		break;
+	}
+
+	if ( use_glue ) {
+		rc = glue_sub_attach( 0 );
+
+		if ( rc != 0 ) {
+			fprintf( stderr,
+				"%s: subordinate configuration error\n", progname );
+			exit( EXIT_FAILURE );
+		}
+	}
+
+	rc = slap_schema_check();
+
+	if ( rc != 0 ) {
+		fprintf( stderr, "%s: slap_schema_prep failed!\n", progname );
+		exit( EXIT_FAILURE );
+	}
+
+	switch ( tool ) {
+	case SLAPTEST:
+		if ( dbnum >= 0 )
+			goto get_db;
+		/* FALLTHRU */
+	case SLAPDN:
+	case SLAPAUTH:
+		be = NULL;
+		goto startup;
+
+	default:
+		break;
+	}
+
+	if( filterstr ) {
+		filter = str2filter( filterstr );
+
+		if( filter == NULL ) {
+			fprintf( stderr, "Invalid filter '%s'\n", filterstr );
+			exit( EXIT_FAILURE );
+		}
+	}
+
+	if( subtree ) {
+		struct berval val;
+		ber_str2bv( subtree, 0, 0, &val );
+		rc = dnNormalize( 0, NULL, NULL, &val, &sub_ndn, NULL );
+		if( rc != LDAP_SUCCESS ) {
+			fprintf( stderr, "Invalid subtree DN '%s'\n", subtree );
+			exit( EXIT_FAILURE );
+		}
+
+		if ( BER_BVISNULL( &base ) && dbnum == -1 ) {
+			base = val;
+		} else {
+			free( subtree );
+			subtree = NULL;
+		}
+	}
+
+	if( base.bv_val != NULL ) {
+		struct berval nbase;
+
+		rc = dnNormalize( 0, NULL, NULL, &base, &nbase, NULL );
+		if( rc != LDAP_SUCCESS ) {
+			fprintf( stderr, "%s: slap_init invalid suffix (\"%s\")\n",
+				progname, base.bv_val );
+			exit( EXIT_FAILURE );
+		}
+
+		be = select_backend( &nbase, 0 );
+		ber_memfree( nbase.bv_val );
+		BER_BVZERO( &nbase );
+
+		if( be == NULL ) {
+			fprintf( stderr, "%s: slap_init no backend for \"%s\"\n",
+				progname, base.bv_val );
+			exit( EXIT_FAILURE );
+		}
+		switch ( tool ) {
+		case SLAPACL:
+			goto startup;
+
+		default:
+			break;
+		}
+
+		/* If the named base is a glue primary, operate on the
+		 * entire context
+		 */
+		if ( SLAP_GLUE_INSTANCE( be ) ) {
+			nosubordinates = 1;
+		}
+
+		ch_free( base.bv_val );
+		BER_BVZERO( &base );
+
+	} else if ( dbnum == -1 ) {
+		/* no suffix and no dbnum specified, just default to
+		 * the first available database
+		 */
+		if ( nbackends <= 0 ) {
+			fprintf( stderr, "No available databases\n" );
+			exit( EXIT_FAILURE );
+		}
+		LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) {
+			dbnum++;
+
+			/* db #0 is cn=config, don't select it as a default */
+			if ( dbnum < 1 ) continue;
+		
+		 	if ( SLAP_MONITOR(be))
+				continue;
+
+		/* If just doing the first by default and it is a
+		 * glue subordinate, find the primary.
+		 */
+			if ( SLAP_GLUE_SUBORDINATE(be) ) {
+				nosubordinates = 1;
+				continue;
+			}
+			break;
+		}
+
+		if ( !be ) {
+			fprintf( stderr, "Available database(s) "
+					"do not allow %s\n", progname );
+			exit( EXIT_FAILURE );
+		}
+		
+		if ( nosubordinates == 0 && dbnum > 1 ) {
+			Debug( LDAP_DEBUG_ANY,
+				"The first database does not allow %s;"
+				" using the first available one (%d)\n",
+				progname, dbnum );
+		}
+
+	} else if ( dbnum >= nbackends ) {
+		fprintf( stderr,
+			"Database number selected via -n is out of range\n"
+			"Must be in the range 0 to %d"
+			" (the number of configured databases)\n",
+			nbackends - 1 );
+		exit( EXIT_FAILURE );
+
+	} else {
+get_db:
+		LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) {
+			if ( dbnum == 0 ) break;
+			dbnum--;
+		}
+	}
+
+	if ( scope != LDAP_SCOPE_DEFAULT && BER_BVISNULL( &sub_ndn ) ) {
+		if ( be && be->be_nsuffix ) {
+			ber_dupbv( &sub_ndn, be->be_nsuffix );
+
+		} else {
+			fprintf( stderr,
+				"<scope> needs a DN or a valid database\n" );
+			exit( EXIT_FAILURE );
+		}
+	}
+
+startup:;
+	if ( be ) {
+		BackendDB *bdtmp;
+
+		dbnum = 0;
+		LDAP_STAILQ_FOREACH( bdtmp, &backendDB, be_next ) {
+			if ( bdtmp == be ) break;
+			dbnum++;
+		}
+	}
+
+#ifdef CSRIMALLOC
+	mal_leaktrace(1);
+#endif
+
+
+	/* slapdn doesn't specify a backend to startup */
+	if ( !dryrun && tool != SLAPDN ) {
+		need_shutdown = 1;
+
+		if ( slap_startup( be ) ) {
+			switch ( tool ) {
+			case SLAPTEST:
+				fprintf( stderr, "slap_startup failed "
+						"(test would succeed using "
+						"the -u switch)\n" );
+				break;
+
+			default:
+				fprintf( stderr, "slap_startup failed\n" );
+				break;
+			}
+
+			exit( EXIT_FAILURE );
+		}
+	}
+}
+
+int slap_tool_destroy( void )
+{
+	int rc = 0;
+	if ( !dryrun ) {
+		if ( need_shutdown ) {
+			if ( slap_shutdown( be ))
+				rc = EXIT_FAILURE;
+		}
+		if ( slap_destroy())
+			rc = EXIT_FAILURE;
+	}
+#ifdef SLAPD_MODULES
+	if ( slapMode == SLAP_SERVER_MODE ) {
+	/* always false. just pulls in necessary symbol references. */
+		lutil_uuidstr(NULL, 0);
+	}
+	module_kill();
+#endif
+	schema_destroy();
+#ifdef HAVE_TLS
+	ldap_pvt_tls_destroy();
+#endif
+	config_destroy();
+
+#ifdef CSRIMALLOC
+	mal_dumpleaktrace( leakfile );
+#endif
+
+	if ( !BER_BVISNULL( &authcDN ) ) {
+		ch_free( authcDN.bv_val );
+		BER_BVZERO( &authcDN );
+	}
+
+	if ( ldiffp && ldiffp != &dummy ) {
+		ldif_close( ldiffp );
+	}
+	return rc;
+}
+
+int
+slap_tool_update_ctxcsn(
+	const char *progname,
+	unsigned long sid,
+	struct berval *bvtext )
+{
+	struct berval ctxdn;
+	ID ctxcsn_id;
+	Entry *ctxcsn_e;
+	int rc = EXIT_SUCCESS;
+
+	if ( !(update_ctxcsn && !dryrun && sid != SLAP_SYNC_SID_MAX + 1) ) {
+		return rc;
+	}
+
+	if ( SLAP_SYNC_SUBENTRY( be )) {
+		build_new_dn( &ctxdn, &be->be_nsuffix[0],
+			(struct berval *)&slap_ldapsync_cn_bv, NULL );
+	} else {
+		ctxdn = be->be_nsuffix[0];
+	}
+	ctxcsn_id = be->be_dn2id_get( be, &ctxdn );
+	if ( ctxcsn_id == NOID ) {
+		if ( SLAP_SYNC_SUBENTRY( be )) {
+			ctxcsn_e = slap_create_context_csn_entry( be, NULL );
+			for ( sid = 0; sid <= SLAP_SYNC_SID_MAX; sid++ ) {
+				if ( maxcsn[ sid ].bv_len ) {
+					attr_merge_one( ctxcsn_e, slap_schema.si_ad_contextCSN,
+						&maxcsn[ sid ], NULL );
+				}
+			}
+			ctxcsn_id = be->be_entry_put( be, ctxcsn_e, bvtext );
+			if ( ctxcsn_id == NOID ) {
+				fprintf( stderr, "%s: couldn't create context entry\n", progname );
+				rc = EXIT_FAILURE;
+			}
+			entry_free( ctxcsn_e );
+		} else {
+			fprintf( stderr, "%s: context entry is missing\n", progname );
+			rc = EXIT_FAILURE;
+		}
+	} else {
+		ctxcsn_e = be->be_entry_get( be, ctxcsn_id );
+		if ( ctxcsn_e != NULL ) {
+			Operation op = { 0 };
+			Entry *e = entry_dup( ctxcsn_e );
+			Attribute *attr = attr_find( e->e_attrs, slap_schema.si_ad_contextCSN );
+
+			int change;
+			op.o_bd = be;
+			be_entry_release_r( &op, ctxcsn_e );
+
+			if ( attr ) {
+				int		i;
+
+				change = 0;
+
+				for ( i = 0; !BER_BVISNULL( &attr->a_nvals[ i ] ); i++ ) {
+					int rc_sid;
+					int match;
+					const char *text = NULL;
+
+					rc_sid = slap_parse_csn_sid( &attr->a_nvals[ i ] );
+					if ( rc_sid < 0 ) {
+						Debug( LDAP_DEBUG_ANY,
+							"%s: unable to extract SID "
+							"from #%d contextCSN=%s\n",
+							progname, i,
+							attr->a_nvals[ i ].bv_val );
+						continue;
+					}
+
+					assert( rc_sid <= SLAP_SYNC_SID_MAX );
+
+					sid = (unsigned)rc_sid;
+
+					if ( maxcsn[ sid ].bv_len == 0 ) {
+						match = -1;
+
+					} else {
+						value_match( &match, slap_schema.si_ad_entryCSN,
+							slap_schema.si_ad_entryCSN->ad_type->sat_ordering,
+							SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
+							&maxcsn[ sid ], &attr->a_nvals[i], &text );
+					}
+
+					if ( match > 0 ) {
+						change = 1;
+					} else {
+						AC_MEMCPY( maxcsn[ sid ].bv_val,
+							attr->a_nvals[ i ].bv_val,
+							attr->a_nvals[ i ].bv_len );
+						maxcsn[ sid ].bv_val[ attr->a_nvals[ i ].bv_len ] = '\0';
+						maxcsn[ sid ].bv_len = attr->a_nvals[ i ].bv_len;
+					}
+				}
+
+				if ( change ) {
+					if ( attr->a_nvals != attr->a_vals ) {
+						ber_bvarray_free( attr->a_nvals );
+					}
+					attr->a_nvals = NULL;
+					ber_bvarray_free( attr->a_vals );
+					attr->a_vals = NULL;
+					attr->a_numvals = 0;
+				}
+			} else {
+				change = 1;
+			}
+
+			if ( change ) {
+				for ( sid = 0; sid <= SLAP_SYNC_SID_MAX; sid++ ) {
+					if ( maxcsn[ sid ].bv_len ) {
+						attr_merge_one( e, slap_schema.si_ad_contextCSN,
+							&maxcsn[ sid], NULL );
+					}
+				}
+
+				ctxcsn_id = be->be_entry_modify( be, e, bvtext );
+				if( ctxcsn_id == NOID ) {
+					fprintf( stderr, "%s: could not modify ctxcsn (%s)\n",
+						progname, bvtext->bv_val ? bvtext->bv_val : "" );
+					rc = EXIT_FAILURE;
+				} else if ( verbose ) {
+					fprintf( stderr, "modified: \"%s\" (%08lx)\n",
+						e->e_dn, (long) ctxcsn_id );
+				}
+			}
+			entry_free( e );
+		}
+	} 
+
+	return rc;
+}
+
+/*
+ * return value:
+ *	-1:			update_ctxcsn == 0
+ *	SLAP_SYNC_SID_MAX + 1:	unable to extract SID
+ *	0 <= SLAP_SYNC_SID_MAX:	the SID
+ */
+unsigned long
+slap_tool_update_ctxcsn_check(
+	const char *progname,
+	Entry *e )
+{
+	if ( update_ctxcsn ) {
+		unsigned long sid = SLAP_SYNC_SID_MAX + 1;
+		int rc_sid;
+		Attribute *attr;
+
+		attr = attr_find( e->e_attrs, slap_schema.si_ad_entryCSN );
+		assert( attr != NULL );
+
+		rc_sid = slap_parse_csn_sid( &attr->a_nvals[ 0 ] );
+		if ( rc_sid < 0 ) {
+			Debug( LDAP_DEBUG_ANY, "%s: could not "
+				"extract SID from entryCSN=%s, entry dn=\"%s\"\n",
+				progname, attr->a_nvals[ 0 ].bv_val, e->e_name.bv_val );
+			return (unsigned long)(-1);
+
+		} else {
+			int match;
+			const char *text = NULL;
+
+			assert( rc_sid <= SLAP_SYNC_SID_MAX );
+
+			sid = (unsigned)rc_sid;
+			if ( maxcsn[ sid ].bv_len != 0 ) {
+				match = 0;
+				value_match( &match, slap_schema.si_ad_entryCSN,
+					slap_schema.si_ad_entryCSN->ad_type->sat_ordering,
+					SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
+					&maxcsn[ sid ], &attr->a_nvals[0], &text );
+			} else {
+				match = -1;
+			}
+			if ( match < 0 ) {
+				strcpy( maxcsn[ sid ].bv_val, attr->a_nvals[0].bv_val );
+				maxcsn[ sid ].bv_len = attr->a_nvals[0].bv_len;
+			}
+		}
+	}
+
+	return (unsigned long)(-1);
+}
+
+int
+slap_tool_update_ctxcsn_init(void)
+{
+	if ( update_ctxcsn ) {
+		unsigned long sid;
+		maxcsn[ 0 ].bv_val = maxcsnbuf;
+		for ( sid = 1; sid <= SLAP_SYNC_SID_MAX; sid++ ) {
+			maxcsn[ sid ].bv_val = maxcsn[ sid - 1 ].bv_val + LDAP_PVT_CSNSTR_BUFSIZE;
+			maxcsn[ sid ].bv_len = 0;
+		}
+	}
+
+	return 0;
+}
+
+int
+slap_tool_entry_check(
+	const char *progname,
+	Operation *op,
+	Entry *e,
+	int lineno,
+	const char **text,
+	char *textbuf,
+	size_t textlen )
+{
+	/* NOTE: we may want to conditionally enable manage */
+	int manage = 0;
+
+	Attribute *oc = attr_find( e->e_attrs,
+		slap_schema.si_ad_objectClass );
+
+	if( oc == NULL ) {
+		fprintf( stderr, "%s: dn=\"%s\" (line=%d): %s\n",
+			progname, e->e_dn, lineno,
+			"no objectClass attribute");
+		return LDAP_NO_SUCH_ATTRIBUTE;
+	}
+
+	/* check schema */
+	op->o_bd = be;
+
+	if ( (slapMode & SLAP_TOOL_NO_SCHEMA_CHECK) == 0) {
+		int rc = entry_schema_check( op, e, NULL, manage, 1, NULL,
+			text, textbuf, textlen );
+
+		if( rc != LDAP_SUCCESS ) {
+			fprintf( stderr, "%s: dn=\"%s\" (line=%d): (%d) %s\n",
+				progname, e->e_dn, lineno, rc, *text );
+			return rc;
+		}
+		textbuf[ 0 ] = '\0';
+	}
+
+	if ( (slapMode & SLAP_TOOL_VALUE_CHECK) != 0) {
+		Modifications *ml = NULL;
+
+		int rc = slap_entry2mods( e, &ml, text, textbuf, textlen );
+		if ( rc != LDAP_SUCCESS ) {
+			fprintf( stderr, "%s: dn=\"%s\" (line=%d): (%d) %s\n",
+				progname, e->e_dn, lineno, rc, *text );
+			return rc;
+		}
+		textbuf[ 0 ] = '\0';
+
+		rc = slap_mods_check( op, ml, text, textbuf, textlen, NULL );
+		slap_mods_free( ml, 1 );
+		if ( rc != LDAP_SUCCESS ) {
+			fprintf( stderr, "%s: dn=\"%s\" (line=%d): (%d) %s\n",
+				progname, e->e_dn, lineno, rc, *text );
+			return rc;
+		}
+		textbuf[ 0 ] = '\0';
+	}
+
+	return LDAP_SUCCESS;
+}
+