openldap/clients/tools/ldapcompare.c

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/* ldapcompare.c -- LDAP compare tool */
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/* $OpenLDAP$ */
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/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
*
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* Copyright 1998-2020 The OpenLDAP Foundation.
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* Portions Copyright 1998-2003 Kurt D. Zeilenga.
* Portions Copyright 1998-2001 Net Boolean Incorporated.
* 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.
*/
/* Portions Copyright 2002, F5 Networks, Inc, All rights reserved.
* This software is not subject to any license of F5 Networks.
* This is free software; you can redistribute and use it
* under the same terms as OpenLDAP itself.
*/
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/* ACKNOWLEDGEMENTS:
* This work was originally developed by Jeff Costlow (F5 Networks)
* based, in part, on existing LDAP tools and adapted for inclusion
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* into OpenLDAP Software by 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/errno.h>
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#include <ac/socket.h>
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#include <ac/time.h>
#include <sys/stat.h>
#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#endif
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_IO_H
#include <io.h>
#endif
#include <ldap.h>
#include "lutil.h"
#include "lutil_ldap.h"
#include "ldap_defaults.h"
#include "common.h"
static int quiet = 0;
void
usage( void )
{
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fprintf( stderr, _("usage: %s [options] DN <attr:value|attr::b64value>\n"), prog);
fprintf( stderr, _("where:\n"));
fprintf( stderr, _(" DN\tDistinguished Name\n"));
fprintf( stderr, _(" attr\tassertion attribute\n"));
fprintf( stderr, _(" value\tassertion value\n"));
fprintf( stderr, _(" b64value\tbase64 encoding of assertion value\n"));
fprintf( stderr, _("Compare options:\n"));
fprintf( stderr, _(" -E [!]<ext>[=<extparam>] compare extensions (! indicates criticality)\n"));
fprintf( stderr, _(" !dontUseCopy (Don't Use Copy)\n"));
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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, _(" -z Quiet mode,"
" don't print anything, use return values\n"));
tool_common_usage();
exit( EXIT_FAILURE );
}
static int docompare LDAP_P((
LDAP *ld,
char *dn,
char *attr,
struct berval *bvalue,
int quiet,
LDAPControl **sctrls,
LDAPControl **cctrls));
const char options[] = "z"
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"Cd:D:e:h:H:IMnNO:o:p:P:QR:U:vVw:WxX:y:Y:Z";
#ifdef LDAP_CONTROL_DONTUSECOPY
int dontUseCopy = 0;
#endif
int
handle_private_option( int i )
{
char *control, *cvalue;
int crit;
switch ( i ) {
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case 'E': /* compare 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 = ber_strdup( optarg );
if ( (cvalue = strchr( control, '=' )) != NULL ) {
*cvalue++ = '\0';
}
#ifdef LDAP_CONTROL_DONTUSECOPY
if ( strcasecmp( control, "dontUseCopy" ) == 0 ) {
if( dontUseCopy ) {
fprintf( stderr,
_("dontUseCopy control previously specified\n"));
exit( EXIT_FAILURE );
}
if( cvalue != NULL ) {
fprintf( stderr,
_("dontUseCopy: no control value expected\n") );
usage();
}
if( !crit ) {
fprintf( stderr,
_("dontUseCopy: critical flag required\n") );
usage();
}
dontUseCopy = 1 + crit;
} else
#endif
{
fprintf( stderr,
_("Invalid compare extension name: %s\n"), control );
usage();
}
break;
case 'z':
quiet = 1;
break;
default:
return 0;
}
return 1;
}
int
main( int argc, char **argv )
{
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char *compdn = NULL, *attrs = NULL;
char *sep;
int rc;
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LDAP *ld = NULL;
struct berval bvalue = { 0, NULL };
int i = 0;
LDAPControl c[1];
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tool_init( TOOL_COMPARE );
prog = lutil_progname( "ldapcompare", argc, argv );
tool_args( argc, argv );
if ( argc - optind != 2 ) {
usage();
}
compdn = argv[optind++];
attrs = argv[optind++];
/* user passed in only 2 args, the last one better be in
* the form attr:value or attr::b64value
*/
sep = strchr(attrs, ':');
if (!sep) {
usage();
}
*sep++='\0';
if ( *sep != ':' ) {
bvalue.bv_val = strdup( sep );
bvalue.bv_len = strlen( bvalue.bv_val );
} else {
/* it's base64 encoded. */
bvalue.bv_val = malloc( strlen( &sep[1] ));
bvalue.bv_len = lutil_b64_pton( &sep[1],
(unsigned char *) bvalue.bv_val, strlen( &sep[1] ));
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if (bvalue.bv_len == (ber_len_t)-1) {
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fprintf(stderr, _("base64 decode error\n"));
exit(-1);
}
}
ld = tool_conn_setup( 0, 0 );
tool_bind( ld );
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if ( 0
#ifdef LDAP_CONTROL_DONTUSECOPY
|| dontUseCopy
#endif
)
{
#ifdef LDAP_CONTROL_DONTUSECOPY
if ( dontUseCopy ) {
c[i].ldctl_oid = LDAP_CONTROL_DONTUSECOPY;
c[i].ldctl_value.bv_val = NULL;
c[i].ldctl_value.bv_len = 0;
c[i].ldctl_iscritical = dontUseCopy > 1;
i++;
}
#endif
}
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tool_server_controls( ld, c, i );
if ( verbose ) {
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fprintf( stderr, _("DN:%s, attr:%s, value:%s\n"),
compdn, attrs, sep );
}
rc = docompare( ld, compdn, attrs, &bvalue, quiet, NULL, NULL );
free( bvalue.bv_val );
tool_exit( ld, rc );
}
static int docompare(
LDAP *ld,
char *dn,
char *attr,
struct berval *bvalue,
int quiet,
LDAPControl **sctrls,
LDAPControl **cctrls )
{
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int rc, msgid, code;
LDAPMessage *res;
char *matcheddn;
char *text;
char **refs;
LDAPControl **ctrls = NULL;
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if ( dont ) {
return LDAP_SUCCESS;
}
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rc = ldap_compare_ext( ld, dn, attr, bvalue,
sctrls, cctrls, &msgid );
if ( rc == -1 ) {
return( rc );
}
for ( ; ; ) {
struct timeval tv;
tv.tv_sec = 0;
tv.tv_usec = 100000;
if ( tool_check_abandon( ld, msgid ) ) {
return LDAP_CANCELLED;
}
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 );
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if( rc != LDAP_SUCCESS ) {
fprintf( stderr, "%s: ldap_parse_result: %s (%d)\n",
prog, ldap_err2string( rc ), rc );
return rc;
}
if ( !quiet && ( verbose || ( code != LDAP_SUCCESS && code != LDAP_COMPARE_TRUE && code != LDAP_COMPARE_FALSE )||
(matcheddn && *matcheddn) || (text && *text) || (refs && *refs) ) )
{
printf( _("Compare 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 we were told to be quiet, use the return value. */
if ( !quiet ) {
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if ( code == LDAP_COMPARE_TRUE ) {
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printf(_("TRUE\n"));
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} else if ( code == LDAP_COMPARE_FALSE ) {
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printf(_("FALSE\n"));
} else {
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printf(_("UNDEFINED\n"));
}
}
if ( ctrls ) {
tool_print_ctrls( ld, ctrls );
ldap_controls_free( ctrls );
}
ber_memfree( text );
ber_memfree( matcheddn );
ber_memvfree( (void **) refs );
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return( code );
}