1 files changed, 443 insertions, 0 deletions
diff --git a/clients/tools/ldapdelete.c b/clients/tools/ldapdelete.c
new file mode 100644
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--- /dev/null
+++ b/clients/tools/ldapdelete.c
@@ -0,0 +1,443 @@
+/* ldapdelete.c - simple program to delete an entry using LDAP */
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2021 The OpenLDAP Foundation.
+ * Portions Copyright 1998-2003 Kurt D. Zeilenga.
+ * 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) 1992-1996 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.
+ */
+/* ACKNOWLEDGEMENTS:
+ * This work was originally developed by the University of Michigan
+ * (as part of U-MICH LDAP).  Additional significant contributors
+ * include:
+ *   Kurt D. Zeilenga
+ */
+
+#include "portable.h"
+
+#include <stdio.h>
+
+#include <ac/stdlib.h>
+#include <ac/ctype.h>
+#include <ac/string.h>
+#include <ac/unistd.h>
+#include <ac/socket.h>
+#include <ac/time.h>
+
+#include <ldap.h>
+#include "lutil.h"
+#include "lutil_ldap.h"
+#include "ldap_defaults.h"
+
+#include "common.h"
+
+
+static int	prune = 0;
+static int sizelimit = -1;
+
+
+static int dodelete LDAP_P((
+    LDAP *ld,
+    const char *dn));
+
+static int deletechildren LDAP_P((
+	LDAP *ld,
+	const char *dn,
+	int subentries ));
+
+void
+usage( void )
+{
+	fprintf( stderr, _("Delete entries from an LDAP server\n\n"));
+	fprintf( stderr, _("usage: %s [options] [dn]...\n"), prog);
+	fprintf( stderr, _("	dn: list of DNs to delete. If not given, it will be readed from stdin\n"));
+	fprintf( stderr, _("	    or from the file specified with \"-f file\".\n"));
+	fprintf( stderr, _("Delete Options:\n"));
+	fprintf( stderr, _("  -c         continuous operation mode (do not stop on errors)\n"));
+	fprintf( stderr, _("  -f file    read operations from `file'\n"));
+	fprintf( stderr, _("  -M         enable Manage DSA IT control (-MM to make critical)\n"));
+	fprintf( stderr, _("  -P version protocol version (default: 3)\n"));
+	fprintf( stderr, _("  -r         delete recursively\n"));
+	tool_common_usage();
+	exit( EXIT_FAILURE );
+}
+
+
+const char options[] = "r"
+	"cd:D:e:f:h:H:IMnNO:o:p:P:QR:U:vVw:WxX:y:Y:z:Z";
+
+int
+handle_private_option( int i )
+{
+	int ival;
+	char *next;
+	switch ( i ) {
+#if 0
+		int crit;
+		char *control, *cvalue;
+	case 'E': /* delete extensions */
+		if( protocol == LDAP_VERSION2 ) {
+			fprintf( stderr, _("%s: -E incompatible with LDAPv%d\n"),
+				prog, protocol );
+			exit( EXIT_FAILURE );
+		}
+
+		/* should be extended to support comma separated list of
+		 *	[!]key[=value] parameters, e.g.  -E !foo,bar=567
+		 */
+
+		crit = 0;
+		cvalue = NULL;
+		if( optarg[0] == '!' ) {
+			crit = 1;
+			optarg++;
+		}
+
+		control = strdup( optarg );
+		if ( (cvalue = strchr( control, '=' )) != NULL ) {
+			*cvalue++ = '\0';
+		}
+		fprintf( stderr, _("Invalid delete extension name: %s\n"), control );
+		usage();
+#endif
+
+	case 'r':
+		prune = 1;
+		break;
+
+	case 'z':	/* size limit */
+		if ( strcasecmp( optarg, "none" ) == 0 ) {
+			sizelimit = 0;
+
+		} else if ( strcasecmp( optarg, "max" ) == 0 ) {
+			sizelimit = LDAP_MAXINT;
+
+		} else {
+			ival = strtol( optarg, &next, 10 );
+			if ( next == NULL || next[0] != '\0' ) {
+				fprintf( stderr,
+					_("Unable to parse size limit \"%s\"\n"), optarg );
+				exit( EXIT_FAILURE );
+			}
+			sizelimit = ival;
+		}
+		if( sizelimit < 0 || sizelimit > LDAP_MAXINT ) {
+			fprintf( stderr, _("%s: invalid sizelimit (%d) specified\n"),
+				prog, sizelimit );
+			exit( EXIT_FAILURE );
+		}
+		break;
+
+	default:
+		return 0;
+	}
+	return 1;
+}
+
+
+static void
+private_conn_setup( LDAP *ld )
+{
+	/* this seems prudent for searches below */
+	int deref = LDAP_DEREF_NEVER;
+	ldap_set_option( ld, LDAP_OPT_DEREF, &deref );
+}
+
+
+int
+main( int argc, char **argv )
+{
+	char		buf[ 4096 ];
+	FILE		*fp = NULL;
+	LDAP		*ld;
+	int		rc, retval;
+
+	tool_init( TOOL_DELETE );
+    prog = lutil_progname( "ldapdelete", argc, argv );
+
+	tool_args( argc, argv );
+
+	if ( infile != NULL ) {
+		if (( fp = fopen( infile, "r" )) == NULL ) {
+			perror( optarg );
+			exit( EXIT_FAILURE );
+	    }
+	} else {
+		if ( optind >= argc ) {
+			fp = stdin;
+		}
+	}
+
+	ld = tool_conn_setup( 0, &private_conn_setup );
+
+	tool_bind( ld );
+
+	tool_server_controls( ld, NULL, 0 );
+
+	retval = rc = 0;
+
+	if ( fp == NULL ) {
+		for ( ; optind < argc; ++optind ) {
+			rc = dodelete( ld, argv[ optind ] );
+
+			/* Stop on error and no -c option */
+			if( rc != 0 ) {
+				retval = rc;
+				if( contoper == 0 ) break;
+			}
+		}
+	} else {
+		while ((rc == 0 || contoper) && fgets(buf, sizeof(buf), fp) != NULL) {
+			buf[ strlen( buf ) - 1 ] = '\0'; /* remove trailing newline */
+
+			if ( *buf != '\0' ) {
+				rc = dodelete( ld, buf );
+				if ( rc != 0 )
+					retval = rc;
+			}
+		}
+		if ( fp != stdin )
+			fclose( fp );
+	}
+
+	tool_exit( ld, retval );
+}
+
+
+static int dodelete(
+    LDAP	*ld,
+    const char	*dn)
+{
+	int id;
+	int	rc, code;
+	char *matcheddn = NULL, *text = NULL, **refs = NULL;
+	LDAPControl **ctrls = NULL;
+	LDAPMessage *res;
+	int subentries = 0;
+
+	if ( verbose ) {
+		printf( _("%sdeleting entry \"%s\"\n"),
+			(dont ? "!" : ""), dn );
+	}
+
+	if ( dont ) {
+		return LDAP_SUCCESS;
+	}
+
+	/* If prune is on, remove a whole subtree.  Delete the children of the
+	 * DN recursively, then the DN requested.
+	 */
+	if ( prune ) {
+retry:;
+		deletechildren( ld, dn, subentries );
+	}
+
+	rc = ldap_delete_ext( ld, dn, NULL, NULL, &id );
+	if ( rc != LDAP_SUCCESS ) {
+		fprintf( stderr, "%s: ldap_delete_ext: %s (%d)\n",
+			prog, ldap_err2string( rc ), rc );
+		return rc;
+	}
+
+	for ( ; ; ) {
+		struct timeval tv;
+
+		if ( tool_check_abandon( ld, id ) ) {
+			return LDAP_CANCELLED;
+		}
+
+		tv.tv_sec = 0;
+		tv.tv_usec = 100000;
+
+		rc = ldap_result( ld, LDAP_RES_ANY, LDAP_MSG_ALL, &tv, &res );
+		if ( rc < 0 ) {
+			tool_perror( "ldap_result", rc, NULL, NULL, NULL, NULL );
+			return rc;
+		}
+
+		if ( rc != 0 ) {
+			break;
+		}
+	}
+
+	rc = ldap_parse_result( ld, res, &code, &matcheddn, &text, &refs, &ctrls, 1 );
+
+	switch ( rc ) {
+	case LDAP_SUCCESS:
+		break;
+
+	case LDAP_NOT_ALLOWED_ON_NONLEAF:
+		if ( prune && !subentries ) {
+			subentries = 1;
+			goto retry;
+		}
+		/* fallthru */
+
+	default:
+		fprintf( stderr, "%s: ldap_parse_result: %s (%d)\n",
+			prog, ldap_err2string( rc ), rc );
+		return rc;
+	}
+
+	if( code != LDAP_SUCCESS ) {
+		tool_perror( "ldap_delete", code, NULL, matcheddn, text, refs );
+	} else if ( verbose && 
+		((matcheddn && *matcheddn) || (text && *text) || (refs && *refs) ))
+	{
+		printf( _("Delete Result: %s (%d)\n"),
+			ldap_err2string( code ), code );
+
+		if( text && *text ) {
+			printf( _("Additional info: %s\n"), text );
+		}
+
+		if( matcheddn && *matcheddn ) {
+			printf( _("Matched DN: %s\n"), matcheddn );
+		}
+
+		if( refs ) {
+			int i;
+			for( i=0; refs[i]; i++ ) {
+				printf(_("Referral: %s\n"), refs[i] );
+			}
+		}
+	}
+
+	if (ctrls) {
+		tool_print_ctrls( ld, ctrls );
+		ldap_controls_free( ctrls );
+	}
+
+	ber_memfree( text );
+	ber_memfree( matcheddn );
+	ber_memvfree( (void **) refs );
+
+	return code;
+}
+
+/*
+ * Delete all the children of an entry recursively until leaf nodes are reached.
+ */
+static int deletechildren(
+	LDAP *ld,
+	const char *base,
+	int subentries )
+{
+	LDAPMessage *res, *e;
+	int entries;
+	int rc = LDAP_SUCCESS, srch_rc;
+	static char *attrs[] = { LDAP_NO_ATTRS, NULL };
+	LDAPControl c, *ctrls[2], **ctrlsp = NULL;
+	BerElement *ber = NULL;
+
+	if ( verbose ) printf ( _("deleting children of: %s\n"), base );
+
+	if ( subentries ) {
+		/*
+		 * Do a one level search at base for subentry children.
+		 */
+
+		if ((ber = ber_alloc_t(LBER_USE_DER)) == NULL) {
+			return EXIT_FAILURE;
+		}
+		rc = ber_printf( ber, "b", 1 );
+		if ( rc == -1 ) {
+			ber_free( ber, 1 );
+			fprintf( stderr, _("Subentries control encoding error!\n"));
+			return EXIT_FAILURE;
+		}
+		if ( ber_flatten2( ber, &c.ldctl_value, 0 ) == -1 ) {
+			return EXIT_FAILURE;
+		}
+		c.ldctl_oid = LDAP_CONTROL_SUBENTRIES;
+		c.ldctl_iscritical = 1;
+		ctrls[0] = &c;
+		ctrls[1] = NULL;
+		ctrlsp = ctrls;
+	}
+
+	/*
+	 * Do a one level search at base for children.  For each, delete its children.
+	 */
+more:;
+	srch_rc = ldap_search_ext_s( ld, base, LDAP_SCOPE_ONELEVEL, NULL, attrs, 1,
+		ctrlsp, NULL, NULL, sizelimit, &res );
+	switch ( srch_rc ) {
+	case LDAP_SUCCESS:
+	case LDAP_SIZELIMIT_EXCEEDED:
+		break;
+	default:
+		tool_perror( "ldap_search", srch_rc, NULL, NULL, NULL, NULL );
+		return( srch_rc );
+	}
+
+	entries = ldap_count_entries( ld, res );
+
+	if ( entries > 0 ) {
+		int i;
+
+		for (e = ldap_first_entry( ld, res ), i = 0; e != NULL;
+			e = ldap_next_entry( ld, e ), i++ )
+		{
+			char *dn = ldap_get_dn( ld, e );
+
+			if( dn == NULL ) {
+				ldap_get_option( ld, LDAP_OPT_RESULT_CODE, &rc );
+				tool_perror( "ldap_prune", rc, NULL, NULL, NULL, NULL );
+				ber_memfree( dn );
+				return rc;
+			}
+
+			rc = deletechildren( ld, dn, 0 );
+			if ( rc != LDAP_SUCCESS ) {
+				tool_perror( "ldap_prune", rc, NULL, NULL, NULL, NULL );
+				ber_memfree( dn );
+				return rc;
+			}
+
+			if ( verbose ) {
+				printf( _("\tremoving %s\n"), dn );
+			}
+
+			rc = ldap_delete_ext_s( ld, dn, NULL, NULL );
+			if ( rc != LDAP_SUCCESS ) {
+				tool_perror( "ldap_delete", rc, NULL, NULL, NULL, NULL );
+				ber_memfree( dn );
+				return rc;
+
+			}
+			
+			if ( verbose ) {
+				printf( _("\t%s removed\n"), dn );
+			}
+
+			ber_memfree( dn );
+		}
+	}
+
+	ldap_msgfree( res );
+
+	if ( srch_rc == LDAP_SIZELIMIT_EXCEEDED ) {
+		goto more;
+	}
+
+	return rc;
+}