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openldap/libraries/libldap/extended.c
Kurt Zeilenga 49f4147385 Added -llber 'N' ber_printf format which inserts a NULL if 
an internal flag set.  Used for SEQUENCE testing.  Flag must
be set using debugger.  Modified ber_printf to use new format
were needed for extensibility testing.

Added first cut -lldap support for extended responses.
Modified ldapsearch(1) to handle v3 search references when not
chasing.  Also added extended/unsolicited notification handling
and extended partial response handling.  Changes include a
number of LDIF enhancements.

Fixed getpassphrase() returns NULL bugs
2000-06-24 01:40:39 +00:00

389 lines
7.7 KiB
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/* $OpenLDAP$ */
/*
* Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
/*
* LDAPv3 Extended Operation Request
* ExtendedRequest ::= [APPLICATION 23] SEQUENCE {
* requestName [0] LDAPOID,
* requestValue [1] OCTET STRING OPTIONAL
* }
*
* LDAPv3 Extended Operation Response
* ExtendedResponse ::= [APPLICATION 24] SEQUENCE {
* COMPONENTS OF LDAPResult,
* responseName [10] LDAPOID OPTIONAL,
* response [11] OCTET STRING OPTIONAL
* }
*
*/
#include "portable.h"
#include <stdio.h>
#include <ac/stdlib.h>
#include <ac/socket.h>
#include <ac/string.h>
#include <ac/time.h>
#include "ldap-int.h"
int
ldap_extended_operation(
LDAP *ld,
LDAP_CONST char *reqoid,
struct berval *reqdata,
LDAPControl **sctrls,
LDAPControl **cctrls,
int *msgidp )
{
BerElement *ber;
int rc;
Debug( LDAP_DEBUG_TRACE, "ldap_extended_operation\n", 0, 0, 0 );
assert( ld != NULL );
assert( LDAP_VALID( ld ) );
assert( reqoid != NULL || *reqoid == '\0' );
assert( msgidp != NULL );
/* must be version 3 (or greater) */
if ( ld->ld_version < LDAP_VERSION3 ) {
ld->ld_errno = LDAP_NOT_SUPPORTED;
return( ld->ld_errno );
}
if( reqoid == NULL || *reqoid == '\0' || msgidp == NULL ) {
ld->ld_errno = LDAP_PARAM_ERROR;
return( ld->ld_errno );
}
/* create a message to send */
if ( (ber = ldap_alloc_ber_with_options( ld )) == NULL ) {
ld->ld_errno = LDAP_NO_MEMORY;
return( ld->ld_errno );
}
if ( reqdata != NULL ) {
rc = ber_printf( ber, "{it{tstON}", /* '}' */
++ld->ld_msgid, LDAP_REQ_EXTENDED,
LDAP_TAG_EXOP_REQ_OID, reqoid,
LDAP_TAG_EXOP_REQ_VALUE, reqdata );
} else {
rc = ber_printf( ber, "{it{tsN}", /* '}' */
++ld->ld_msgid, LDAP_REQ_EXTENDED,
LDAP_TAG_EXOP_REQ_OID, reqoid );
}
if( rc == -1 ) {
ld->ld_errno = LDAP_ENCODING_ERROR;
ber_free( ber, 1 );
return( ld->ld_errno );
}
/* Put Server Controls */
if( ldap_int_put_controls( ld, sctrls, ber ) != LDAP_SUCCESS ) {
ber_free( ber, 1 );
return ld->ld_errno;
}
if ( ber_printf( ber, /*{*/ "N}" ) == -1 ) {
ld->ld_errno = LDAP_ENCODING_ERROR;
ber_free( ber, 1 );
return( ld->ld_errno );
}
/* send the message */
*msgidp = ldap_send_initial_request( ld, LDAP_REQ_EXTENDED, NULL, ber );
return( *msgidp < 0 ? ld->ld_errno : LDAP_SUCCESS );
}
int
ldap_extended_operation_s(
LDAP *ld,
LDAP_CONST char *reqoid,
struct berval *reqdata,
LDAPControl **sctrls,
LDAPControl **cctrls,
char **retoidp,
struct berval **retdatap )
{
int rc;
int msgid;
LDAPMessage *res;
Debug( LDAP_DEBUG_TRACE, "ldap_extended_operation_s\n", 0, 0, 0 );
assert( ld != NULL );
assert( LDAP_VALID( ld ) );
assert( reqoid != NULL || *reqoid == '\0' );
assert( retoidp != NULL || retdatap != NULL );
if( retoidp == NULL || retdatap == NULL ) {
ld->ld_errno = LDAP_PARAM_ERROR;
return( ld->ld_errno );
}
rc = ldap_extended_operation( ld, reqoid, reqdata,
sctrls, cctrls, &msgid );
if ( rc != LDAP_SUCCESS ) {
return( rc );
}
if ( ldap_result( ld, msgid, 1, (struct timeval *) NULL, &res ) == -1 ) {
return( ld->ld_errno );
}
*retoidp = NULL;
*retdatap = NULL;
rc = ldap_parse_extended_result( ld, res, retoidp, retdatap, 0 );
if( rc != LDAP_SUCCESS ) {
ldap_msgfree( res );
return rc;
}
return( ldap_result2error( ld, res, 1 ) );
}
/* Parse an extended result */
int
ldap_parse_extended_result (
LDAP *ld,
LDAPMessage *res,
char **retoidp,
struct berval **retdatap,
int freeit )
{
BerElement *ber;
ber_tag_t rc;
ber_tag_t tag;
ber_len_t len;
struct berval *resdata;
ber_int_t errcode;
char *resoid;
assert( ld != NULL );
assert( LDAP_VALID( ld ) );
assert( res != NULL );
Debug( LDAP_DEBUG_TRACE, "ldap_parse_extended_result\n", 0, 0, 0 );
if( ld->ld_version < LDAP_VERSION3 ) {
ld->ld_errno = LDAP_NOT_SUPPORTED;
return ld->ld_errno;
}
if( res->lm_msgtype != LDAP_RES_EXTENDED ) {
ld->ld_errno = LDAP_PARAM_ERROR;
return ld->ld_errno;
}
if( retoidp != NULL ) *retoidp = NULL;
if( retdatap != NULL ) *retdatap = NULL;
if ( ld->ld_error ) {
LDAP_FREE( ld->ld_error );
ld->ld_error = NULL;
}
if ( ld->ld_matched ) {
LDAP_FREE( ld->ld_matched );
ld->ld_matched = NULL;
}
ber = ber_dup( res->lm_ber );
if ( ber == NULL ) {
ld->ld_errno = LDAP_NO_MEMORY;
return ld->ld_errno;
}
rc = ber_scanf( ber, "{iaa" /*}*/, &errcode,
&ld->ld_matched, &ld->ld_error );
if( rc == LBER_ERROR ) {
ld->ld_errno = LDAP_DECODING_ERROR;
ber_free( ber, 0 );
return ld->ld_errno;
}
resoid = NULL;
resdata = NULL;
tag = ber_peek_tag( ber, &len );
if( tag == LDAP_TAG_REFERRAL ) {
/* skip over referral */
if( ber_scanf( ber, "x" ) == LBER_ERROR ) {
ld->ld_errno = LDAP_DECODING_ERROR;
ber_free( ber, 0 );
return ld->ld_errno;
}
tag = ber_peek_tag( ber, &len );
}
if( tag == LDAP_TAG_EXOP_RES_OID ) {
/* we have a resoid */
if( ber_scanf( ber, "a", &resoid ) == LBER_ERROR ) {
ld->ld_errno = LDAP_DECODING_ERROR;
ber_free( ber, 0 );
return ld->ld_errno;
}
tag = ber_peek_tag( ber, &len );
}
if( tag == LDAP_TAG_EXOP_RES_VALUE ) {
/* we have a resdata */
if( ber_scanf( ber, "O", &resdata ) == LBER_ERROR ) {
ld->ld_errno = LDAP_DECODING_ERROR;
ber_free( ber, 0 );
if( resoid != NULL ) LDAP_FREE( resoid );
return ld->ld_errno;
}
}
ber_free( ber, 0 );
if( retoidp != NULL ) {
*retoidp = resoid;
} else {
LDAP_FREE( resoid );
}
if( retdatap != NULL ) {
*retdatap = resdata;
} else {
ber_bvfree( resdata );
}
ld->ld_errno = errcode;
if( freeit ) {
ldap_msgfree( res );
}
return LDAP_SUCCESS;
}
/* Parse an extended partial */
int
ldap_parse_extended_partial (
LDAP *ld,
LDAPMessage *res,
char **retoidp,
struct berval **retdatap,
LDAPControl ***serverctrls,
int freeit )
{
BerElement *ber;
ber_tag_t rc;
ber_tag_t tag;
ber_len_t len;
struct berval *resdata;
char *resoid;
assert( ld != NULL );
assert( LDAP_VALID( ld ) );
assert( res != NULL );
Debug( LDAP_DEBUG_TRACE, "ldap_parse_extended_result\n", 0, 0, 0 );
if( ld->ld_version < LDAP_VERSION3 ) {
ld->ld_errno = LDAP_NOT_SUPPORTED;
return ld->ld_errno;
}
if( res->lm_msgtype != LDAP_RES_EXTENDED_PARTIAL ) {
ld->ld_errno = LDAP_PARAM_ERROR;
return ld->ld_errno;
}
if( retoidp != NULL ) *retoidp = NULL;
if( retdatap != NULL ) *retdatap = NULL;
ber = ber_dup( res->lm_ber );
if ( ber == NULL ) {
ld->ld_errno = LDAP_NO_MEMORY;
return ld->ld_errno;
}
rc = ber_scanf( ber, "{" /*}*/ );
if( rc == LBER_ERROR ) {
ld->ld_errno = LDAP_DECODING_ERROR;
ber_free( ber, 0 );
return ld->ld_errno;
}
resoid = NULL;
resdata = NULL;
tag = ber_peek_tag( ber, &len );
if( tag == LDAP_TAG_EXOP_RES_OID ) {
/* we have a resoid */
if( ber_scanf( ber, "a", &resoid ) == LBER_ERROR ) {
ld->ld_errno = LDAP_DECODING_ERROR;
ber_free( ber, 0 );
return ld->ld_errno;
}
tag = ber_peek_tag( ber, &len );
}
if( tag == LDAP_TAG_EXOP_RES_VALUE ) {
/* we have a resdata */
if( ber_scanf( ber, "O", &resdata ) == LBER_ERROR ) {
ld->ld_errno = LDAP_DECODING_ERROR;
ber_free( ber, 0 );
if( resoid != NULL ) LDAP_FREE( resoid );
return ld->ld_errno;
}
}
if ( serverctrls == NULL ) {
rc = LDAP_SUCCESS;
goto free_and_return;
}
if ( ber_scanf( ber, /*{*/ "}" ) == LBER_ERROR ) {
rc = LDAP_DECODING_ERROR;
goto free_and_return;
}
rc = ldap_int_get_controls( ber, serverctrls );
free_and_return:
ber_free( ber, 0 );
if( retoidp != NULL ) {
*retoidp = resoid;
} else {
LDAP_FREE( resoid );
}
if( retdatap != NULL ) {
*retdatap = resdata;
} else {
ber_bvfree( resdata );
}
if( freeit ) {
ldap_msgfree( res );
}
return LDAP_SUCCESS;
}
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