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-rw-r--r--clients/tools/ldapdelete.c443
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diff --git a/clients/tools/ldapdelete.c b/clients/tools/ldapdelete.c
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+/* ldapdelete.c - simple program to delete an entry using LDAP */
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2022 The OpenLDAP Foundation.
+ * Portions Copyright 1998-2003 Kurt D. Zeilenga.
+ * 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 read 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 = 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;
+}