openldap/clients/tools/ldapdelete.c

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/* ldapdelete.c - simple program to delete an entry using LDAP */
/* $OpenLDAP$ */
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/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
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* Copyright 1998-2010 The OpenLDAP Foundation.
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* 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.
*/
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/* ACKNOWLEDGEMENTS:
* This work was originally developed by the University of Michigan
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* (as part of U-MICH LDAP). Additional significant contributors
* include:
* Kurt D. Zeilenga
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*/
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#include "portable.h"
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#include <stdio.h>
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#include <ac/stdlib.h>
#include <ac/ctype.h>
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#include <ac/string.h>
#include <ac/unistd.h>
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#include <ac/socket.h>
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#include <ac/time.h>
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#include <ldap.h>
#include "lutil.h"
#include "lutil_ldap.h"
#include "ldap_defaults.h"
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#include "common.h"
static int prune = 0;
static int sizelimit = -1;
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static int dodelete LDAP_P((
LDAP *ld,
const char *dn));
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static int deletechildren LDAP_P((
LDAP *ld,
const char *dn,
int subentries ));
void
usage( void )
{
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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"));
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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"));
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fprintf( stderr, _(" -r delete recursively\n"));
tool_common_usage();
exit( EXIT_FAILURE );
}
const char options[] = "r"
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"cd:D:e:f:h:H:IMnNO:o:p:P:QR:U:vVw:WxX:y:Y:z:Z";
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int
handle_private_option( int i )
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{
int ival;
char *next;
switch ( i ) {
#if 0
int crit;
char *control, *cvalue;
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case 'E': /* delete extensions */
if( protocol == LDAP_VERSION2 ) {
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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';
}
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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 ];
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FILE *fp = NULL;
LDAP *ld;
int rc, retval;
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tool_init( TOOL_DELETE );
prog = lutil_progname( "ldapdelete", argc, argv );
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tool_args( argc, argv );
if ( infile != NULL ) {
if (( fp = fopen( infile, "r" )) == NULL ) {
perror( optarg );
exit( EXIT_FAILURE );
}
} else {
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if ( optind >= argc ) {
fp = stdin;
}
}
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ld = tool_conn_setup( 0, &private_conn_setup );
tool_bind( ld );
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tool_server_controls( ld, NULL, 0 );
retval = rc = 0;
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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;
}
}
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if ( fp != stdin )
fclose( fp );
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}
tool_unbind( ld );
tool_destroy();
return retval;
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}
static int dodelete(
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LDAP *ld,
const char *dn)
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{
int id;
int rc, code;
char *matcheddn = NULL, *text = NULL, **refs = NULL;
LDAPControl **ctrls = NULL;
LDAPMessage *res;
int subentries = 0;
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if ( verbose ) {
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printf( _("%sdeleting entry \"%s\"\n"),
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(dont ? "!" : ""), dn );
}
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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 ) {
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fprintf( stderr, "%s: ldap_delete_ext: %s (%d)\n",
prog, ldap_err2string( rc ), rc );
return rc;
}
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for ( ; ; ) {
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struct timeval tv;
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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 );
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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:
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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) ))
{
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printf( _("Delete Result: %s (%d)\n"),
ldap_err2string( code ), code );
if( text && *text ) {
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printf( _("Additional info: %s\n"), text );
}
if( matcheddn && *matcheddn ) {
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printf( _("Matched DN: %s\n"), matcheddn );
}
if( refs ) {
int i;
for( i=0; refs[i]; i++ ) {
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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;
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}
/*
* 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;
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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 ) {
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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 ) {
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printf( _("\t%s removed\n"), dn );
}
ber_memfree( dn );
}
}
ldap_msgfree( res );
if ( srch_rc == LDAP_SIZELIMIT_EXCEEDED ) {
goto more;
}
return rc;
}