openldap/clients/tools/ldapdelete.c

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/* ldapdelete.c - simple program to delete an entry using LDAP */
/* $OpenLDAP$ */
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/*
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* Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
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* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
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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 <ldap.h>
#include "lutil.h"
#include "lutil_ldap.h"
#include "ldap_defaults.h"
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#include "common.h"
static int prune = 0;
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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 ));
void
usage( void )
{
fprintf( stderr,
"Delete entries from an LDAP server\n\n"
"usage: %s [options] [dn]...\n"
" dn: list of DNs to delete. If not given, it will be readed from stdin\n"
" or from the file specified with \"-f file\".\n"
"Delete Options:\n"
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" -r delete recursively\n"
, prog );
tool_common_usage();
exit( EXIT_FAILURE );
}
const char options[] = "r"
"cCd:D:e:f:h:H:IkKMnO:p:P:QR:U:vVw:WxX:y:Y:Z";
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int
handle_private_option( int i )
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{
switch ( i ) {
#if 0
int crit;
char *control, *cvalue;
case 'E': /* delete controls */
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 control name: %s\n", control );
usage();
#endif
case 'r':
prune = 1;
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;
LDAP *ld;
int rc, retval;
fp = NULL;
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 {
if ( optind >= argc ) {
fp = stdin;
}
}
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ld = tool_conn_setup( 0, &private_conn_setup );
Patch: 'ldapmodify -y file' reads password from file (ITS#2031) ================ Written by Hallvard B. Furuseth and placed into the public domain. This software is not subject to any license of the University of Oslo. ================ Adapted by Kurt Zeilenga for inclusion in OpenLDAP. My comments are marked with enclosed with square brackets (e.g. [Kurt's comment] below. ================ If I run ldapmodify & co from a script, I don't want to use '-W password' because the password shows up in the output of 'ps' for everyone, and I can't pipe the password to 'ldapmodify -w' because -w uses getpassphrase() which reads from the tty instead of stdin. So I added '-y file' which reads the password from file. The programs exit if the file cannot be read. [Complete contents of file is used as password. Use: echo -n "secret" > password to create a file with "secret" as the password. The -n avoids adding a newline (which would invalidate the password). Note that echo is a builtin and hence its arguments are not visible to 'ps'.] I changed ldapmodify, ldapmodrdn, ldapdelete, ldapsearch, ldapcompare. I did not bother to change ldappasswd and ldapwhoami, because they prompt for many passwords. [I fixed up ldapwhoami.] Rerun autoconf after applying this patch. [Done.] Note: I do not know if Windows NT has fstat(), so I set HAVE_FSTAT to undef in portable.nt. (fstat() is used to warn if the file is publicly readable or writeable.) [I used fstat() to set the buffer size to read.] [Note: using the contents of a file extends the tools to support passwords which could not normally be provided using getpassphrase() or via the command line.] Hallvard B. Furuseth <h.b.furuseth@usit.uio.no>, Aug 2002. [Kurt D. Zeilenga <kurt@openldap.org>, Aug 2002.]
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if ( pw_file || want_bindpw ) {
if ( pw_file ) {
rc = lutil_get_filed_password( pw_file, &passwd );
if( rc ) return EXIT_FAILURE;
} else {
passwd.bv_val = getpassphrase( "Enter LDAP Password: " );
passwd.bv_len = passwd.bv_val ? strlen( passwd.bv_val ) : 0;
}
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}
tool_bind( ld );
if ( authzid || manageDSAit || noop )
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;
}
}
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}
ldap_unbind( ld );
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;
LDAPMessage *res;
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if ( verbose ) {
printf( "%sdeleting entry \"%s\"\n",
(not ? "!" : ""), dn );
}
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if ( not ) {
return LDAP_SUCCESS;
}
/* If prune is on, remove a whole subtree. Delete the children of the
* DN recursively, then the DN requested.
*/
if ( prune ) deletechildren( ld, dn );
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;
}
rc = ldap_result( ld, LDAP_RES_ANY, LDAP_MSG_ALL, NULL, &res );
if ( rc < 0 ) {
ldap_perror( ld, "ldapdelete: ldap_result" );
return rc;
}
rc = ldap_parse_result( ld, res, &code, &matcheddn, &text, &refs, NULL, 1 );
if( rc != LDAP_SUCCESS ) {
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fprintf( stderr, "%s: ldap_parse_result: %s (%d)\n",
prog, ldap_err2string( rc ), rc );
return rc;
}
if( verbose || code != LDAP_SUCCESS ||
(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] );
}
}
}
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 *dn )
{
LDAPMessage *res, *e;
int entries;
int rc;
static char *attrs[] = { "1.1", NULL };
if ( verbose ) printf ( "deleting children of: %s\n", dn );
/*
* Do a one level search at dn for children. For each, delete its children.
*/
rc = ldap_search_ext_s( ld, dn, LDAP_SCOPE_ONELEVEL, NULL, attrs, 1,
NULL, NULL, NULL, -1, &res );
if ( rc != LDAP_SUCCESS ) {
ldap_perror( ld, "ldap_search" );
return( 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_perror( ld, "ldap_prune" );
ldap_get_option( ld, LDAP_OPT_ERROR_NUMBER, &rc );
ber_memfree( dn );
return rc;
}
rc = deletechildren( ld, dn );
if ( rc == -1 ) {
ldap_perror( ld, "ldap_prune" );
ber_memfree( dn );
return rc;
}
if ( verbose ) {
printf( "\tremoving %s\n", dn );
}
rc = ldap_delete_s( ld, dn );
if ( rc == -1 ) {
ldap_perror( ld, "ldap_delete" );
ber_memfree( dn );
return rc;
}
if ( verbose ) {
printf( "\t%s removed\n", dn );
}
ber_memfree( dn );
}
}
ldap_msgfree( res );
return rc;
}