mirror of
https://github.com/samba-team/samba.git
synced 2025-11-21 12:23:50 +03:00
1e2c13b2d5
Currently only ldb_ildap is async, the plan is to first make all backend support the async calls, and then remove the sync functions from backends and keep the only in the API. Modules will need to be transformed along the way. Simo
986 lines
19 KiB
C
986 lines
19 KiB
C
/*
|
|
Unix SMB/CIFS mplementation.
|
|
LDAP protocol helper functions for SAMBA
|
|
|
|
Copyright (C) Simo Sorce 2005
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
|
|
*/
|
|
|
|
#include "includes.h"
|
|
#include "system/iconv.h"
|
|
#include "libcli/util/asn_1.h"
|
|
#include "libcli/ldap/ldap.h"
|
|
#include "lib/ldb/include/ldb.h"
|
|
|
|
struct control_handler {
|
|
const char *oid;
|
|
BOOL (*decode)(void *mem_ctx, DATA_BLOB in, void **out);
|
|
BOOL (*encode)(void *mem_ctx, void *in, DATA_BLOB *out);
|
|
};
|
|
|
|
static BOOL decode_server_sort_response(void *mem_ctx, DATA_BLOB in, void **out)
|
|
{
|
|
DATA_BLOB attr;
|
|
struct asn1_data data;
|
|
struct ldb_sort_resp_control *lsrc;
|
|
|
|
if (!asn1_load(&data, in)) {
|
|
return False;
|
|
}
|
|
|
|
lsrc = talloc(mem_ctx, struct ldb_sort_resp_control);
|
|
if (!lsrc) {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_start_tag(&data, ASN1_SEQUENCE(0))) {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_read_enumerated(&data, &(lsrc->result))) {
|
|
return False;
|
|
}
|
|
|
|
lsrc->attr_desc = NULL;
|
|
if (asn1_peek_tag(&data, ASN1_OCTET_STRING)) {
|
|
if (!asn1_read_OctetString(&data, &attr)) {
|
|
return False;
|
|
}
|
|
lsrc->attr_desc = talloc_strndup(lsrc, (const char *)attr.data, attr.length);
|
|
if (!lsrc->attr_desc) {
|
|
return False;
|
|
}
|
|
}
|
|
|
|
if (!asn1_end_tag(&data)) {
|
|
return False;
|
|
}
|
|
|
|
*out = lsrc;
|
|
|
|
return True;
|
|
}
|
|
|
|
static BOOL decode_server_sort_request(void *mem_ctx, DATA_BLOB in, void **out)
|
|
{
|
|
DATA_BLOB attr;
|
|
DATA_BLOB rule;
|
|
struct asn1_data data;
|
|
struct ldb_server_sort_control **lssc;
|
|
int num;
|
|
|
|
if (!asn1_load(&data, in)) {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_start_tag(&data, ASN1_SEQUENCE(0))) {
|
|
return False;
|
|
}
|
|
|
|
lssc = NULL;
|
|
|
|
for (num = 0; asn1_peek_tag(&data, ASN1_SEQUENCE(0)); num++) {
|
|
lssc = talloc_realloc(mem_ctx, lssc, struct ldb_server_sort_control *, num + 2);
|
|
if (!lssc) {
|
|
return False;
|
|
}
|
|
lssc[num] = talloc_zero(lssc, struct ldb_server_sort_control);
|
|
if (!lssc[num]) {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_start_tag(&data, ASN1_SEQUENCE(0))) {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_read_OctetString(&data, &attr)) {
|
|
return False;
|
|
}
|
|
|
|
lssc[num]->attributeName = talloc_strndup(lssc[num], (const char *)attr.data, attr.length);
|
|
if (!lssc [num]->attributeName) {
|
|
return False;
|
|
}
|
|
|
|
if (asn1_peek_tag(&data, ASN1_OCTET_STRING)) {
|
|
if (!asn1_read_OctetString(&data, &rule)) {
|
|
return False;
|
|
}
|
|
lssc[num]->orderingRule = talloc_strndup(lssc[num], (const char *)rule.data, rule.length);
|
|
if (!lssc[num]->orderingRule) {
|
|
return False;
|
|
}
|
|
}
|
|
|
|
if (asn1_peek_tag(&data, ASN1_BOOLEAN)) {
|
|
if (!asn1_read_BOOLEAN(&data, &(lssc[num]->reverse))) {
|
|
return False;
|
|
}
|
|
}
|
|
|
|
if (!asn1_end_tag(&data)) {
|
|
return False;
|
|
}
|
|
}
|
|
|
|
lssc[num] = NULL;
|
|
|
|
if (!asn1_end_tag(&data)) {
|
|
return False;
|
|
}
|
|
|
|
*out = lssc;
|
|
|
|
return True;
|
|
}
|
|
|
|
static BOOL decode_extended_dn_request(void *mem_ctx, DATA_BLOB in, void **out)
|
|
{
|
|
struct asn1_data data;
|
|
struct ldb_extended_dn_control *ledc;
|
|
|
|
if (!asn1_load(&data, in)) {
|
|
return False;
|
|
}
|
|
|
|
ledc = talloc(mem_ctx, struct ldb_extended_dn_control);
|
|
if (!ledc) {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_start_tag(&data, ASN1_SEQUENCE(0))) {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_read_Integer(&data, &(ledc->type))) {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_end_tag(&data)) {
|
|
return False;
|
|
}
|
|
|
|
*out = ledc;
|
|
|
|
return True;
|
|
}
|
|
|
|
static BOOL decode_paged_results_request(void *mem_ctx, DATA_BLOB in, void **out)
|
|
{
|
|
DATA_BLOB cookie;
|
|
struct asn1_data data;
|
|
struct ldb_paged_control *lprc;
|
|
|
|
if (!asn1_load(&data, in)) {
|
|
return False;
|
|
}
|
|
|
|
lprc = talloc(mem_ctx, struct ldb_paged_control);
|
|
if (!lprc) {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_start_tag(&data, ASN1_SEQUENCE(0))) {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_read_Integer(&data, &(lprc->size))) {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_read_OctetString(&data, &cookie)) {
|
|
return False;
|
|
}
|
|
lprc->cookie_len = cookie.length;
|
|
if (lprc->cookie_len) {
|
|
lprc->cookie = talloc_memdup(lprc, cookie.data, cookie.length);
|
|
|
|
if (!(lprc->cookie)) {
|
|
return False;
|
|
}
|
|
} else {
|
|
lprc->cookie = NULL;
|
|
}
|
|
|
|
if (!asn1_end_tag(&data)) {
|
|
return False;
|
|
}
|
|
|
|
*out = lprc;
|
|
|
|
return True;
|
|
}
|
|
|
|
static BOOL decode_dirsync_request(void *mem_ctx, DATA_BLOB in, void **out)
|
|
{
|
|
DATA_BLOB cookie;
|
|
struct asn1_data data;
|
|
struct ldb_dirsync_control *ldc;
|
|
|
|
if (!asn1_load(&data, in)) {
|
|
return False;
|
|
}
|
|
|
|
ldc = talloc(mem_ctx, struct ldb_dirsync_control);
|
|
if (!ldc) {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_start_tag(&data, ASN1_SEQUENCE(0))) {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_read_Integer(&data, &(ldc->flags))) {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_read_Integer(&data, &(ldc->max_attributes))) {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_read_OctetString(&data, &cookie)) {
|
|
return False;
|
|
}
|
|
ldc->cookie_len = cookie.length;
|
|
if (ldc->cookie_len) {
|
|
ldc->cookie = talloc_memdup(ldc, cookie.data, cookie.length);
|
|
|
|
if (!(ldc->cookie)) {
|
|
return False;
|
|
}
|
|
} else {
|
|
ldc->cookie = NULL;
|
|
}
|
|
|
|
if (!asn1_end_tag(&data)) {
|
|
return False;
|
|
}
|
|
|
|
*out = ldc;
|
|
|
|
return True;
|
|
}
|
|
|
|
/* seem that this controls has 2 forms one in case it is used with
|
|
* a Search Request and another when used ina Search Response
|
|
*/
|
|
static BOOL decode_asq_control(void *mem_ctx, DATA_BLOB in, void **out)
|
|
{
|
|
DATA_BLOB source_attribute;
|
|
struct asn1_data data;
|
|
struct ldb_asq_control *lac;
|
|
|
|
if (!asn1_load(&data, in)) {
|
|
return False;
|
|
}
|
|
|
|
lac = talloc(mem_ctx, struct ldb_asq_control);
|
|
if (!lac) {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_start_tag(&data, ASN1_SEQUENCE(0))) {
|
|
return False;
|
|
}
|
|
|
|
if (asn1_peek_tag(&data, ASN1_OCTET_STRING)) {
|
|
|
|
if (!asn1_read_OctetString(&data, &source_attribute)) {
|
|
return False;
|
|
}
|
|
lac->src_attr_len = source_attribute.length;
|
|
if (lac->src_attr_len) {
|
|
lac->source_attribute = talloc_strndup(lac, (const char *)source_attribute.data, source_attribute.length);
|
|
|
|
if (!(lac->source_attribute)) {
|
|
return False;
|
|
}
|
|
} else {
|
|
lac->source_attribute = NULL;
|
|
}
|
|
|
|
lac->request = 1;
|
|
|
|
} else if (asn1_peek_tag(&data, ASN1_ENUMERATED)) {
|
|
|
|
if (!asn1_read_enumerated(&data, &(lac->result))) {
|
|
return False;
|
|
}
|
|
|
|
lac->request = 0;
|
|
|
|
} else {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_end_tag(&data)) {
|
|
return False;
|
|
}
|
|
|
|
*out = lac;
|
|
|
|
return True;
|
|
}
|
|
|
|
static BOOL decode_notification_request(void *mem_ctx, DATA_BLOB in, void **out)
|
|
{
|
|
if (in.length != 0) {
|
|
return False;
|
|
}
|
|
|
|
return True;
|
|
}
|
|
|
|
static BOOL decode_manageDSAIT_request(void *mem_ctx, DATA_BLOB in, void **out)
|
|
{
|
|
if (in.length != 0) {
|
|
return False;
|
|
}
|
|
|
|
return True;
|
|
}
|
|
|
|
static BOOL decode_vlv_request(void *mem_ctx, DATA_BLOB in, void **out)
|
|
{
|
|
DATA_BLOB assertion_value, context_id;
|
|
struct asn1_data data;
|
|
struct ldb_vlv_req_control *lvrc;
|
|
|
|
if (!asn1_load(&data, in)) {
|
|
return False;
|
|
}
|
|
|
|
lvrc = talloc(mem_ctx, struct ldb_vlv_req_control);
|
|
if (!lvrc) {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_start_tag(&data, ASN1_SEQUENCE(0))) {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_read_Integer(&data, &(lvrc->beforeCount))) {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_read_Integer(&data, &(lvrc->afterCount))) {
|
|
return False;
|
|
}
|
|
|
|
if (asn1_peek_tag(&data, ASN1_CONTEXT(0))) {
|
|
|
|
lvrc->type = 0;
|
|
|
|
if (!asn1_start_tag(&data, ASN1_CONTEXT(0))) {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_start_tag(&data, ASN1_SEQUENCE(0))) {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_read_Integer(&data, &(lvrc->match.byOffset.offset))) {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_read_Integer(&data, &(lvrc->match.byOffset.contentCount))) {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_end_tag(&data)) { /*SEQUENCE*/
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_end_tag(&data)) { /*CONTEXT*/
|
|
return False;
|
|
}
|
|
|
|
} else {
|
|
|
|
lvrc->type = 1;
|
|
|
|
if (!asn1_start_tag(&data, ASN1_CONTEXT(1))) {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_read_OctetString(&data, &assertion_value)) {
|
|
return False;
|
|
}
|
|
lvrc->match.gtOrEq.value_len = assertion_value.length;
|
|
if (lvrc->match.gtOrEq.value_len) {
|
|
lvrc->match.gtOrEq.value = talloc_memdup(lvrc, assertion_value.data, assertion_value.length);
|
|
|
|
if (!(lvrc->match.gtOrEq.value)) {
|
|
return False;
|
|
}
|
|
} else {
|
|
lvrc->match.gtOrEq.value = NULL;
|
|
}
|
|
|
|
if (!asn1_end_tag(&data)) { /*CONTEXT*/
|
|
return False;
|
|
}
|
|
}
|
|
|
|
if (asn1_peek_tag(&data, ASN1_OCTET_STRING)) {
|
|
if (!asn1_read_OctetString(&data, &context_id)) {
|
|
return False;
|
|
}
|
|
lvrc->ctxid_len = context_id.length;
|
|
if (lvrc->ctxid_len) {
|
|
lvrc->contextId = talloc_memdup(lvrc, context_id.data, context_id.length);
|
|
|
|
if (!(lvrc->contextId)) {
|
|
return False;
|
|
}
|
|
} else {
|
|
lvrc->contextId = NULL;
|
|
}
|
|
} else {
|
|
lvrc->contextId = NULL;
|
|
lvrc->ctxid_len = 0;
|
|
}
|
|
|
|
if (!asn1_end_tag(&data)) {
|
|
return False;
|
|
}
|
|
|
|
*out = lvrc;
|
|
|
|
return True;
|
|
}
|
|
|
|
static BOOL decode_vlv_response(void *mem_ctx, DATA_BLOB in, void **out)
|
|
{
|
|
DATA_BLOB context_id;
|
|
struct asn1_data data;
|
|
struct ldb_vlv_resp_control *lvrc;
|
|
|
|
if (!asn1_load(&data, in)) {
|
|
return False;
|
|
}
|
|
|
|
lvrc = talloc(mem_ctx, struct ldb_vlv_resp_control);
|
|
if (!lvrc) {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_start_tag(&data, ASN1_SEQUENCE(0))) {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_read_Integer(&data, &(lvrc->targetPosition))) {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_read_Integer(&data, &(lvrc->contentCount))) {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_read_enumerated(&data, &(lvrc->vlv_result))) {
|
|
return False;
|
|
}
|
|
|
|
if (asn1_peek_tag(&data, ASN1_OCTET_STRING)) {
|
|
if (!asn1_read_OctetString(&data, &context_id)) {
|
|
return False;
|
|
}
|
|
lvrc->contextId = talloc_strndup(lvrc, (const char *)context_id.data, context_id.length);
|
|
if (!lvrc->contextId) {
|
|
return False;
|
|
}
|
|
lvrc->ctxid_len = context_id.length;
|
|
} else {
|
|
lvrc->contextId = NULL;
|
|
lvrc->ctxid_len = 0;
|
|
}
|
|
|
|
if (!asn1_end_tag(&data)) {
|
|
return False;
|
|
}
|
|
|
|
*out = lvrc;
|
|
|
|
return True;
|
|
}
|
|
|
|
static BOOL encode_server_sort_response(void *mem_ctx, void *in, DATA_BLOB *out)
|
|
{
|
|
struct ldb_sort_resp_control *lsrc = talloc_get_type(in, struct ldb_sort_resp_control);
|
|
struct asn1_data data;
|
|
|
|
ZERO_STRUCT(data);
|
|
|
|
if (!asn1_push_tag(&data, ASN1_SEQUENCE(0))) {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_write_enumerated(&data, lsrc->result)) {
|
|
return False;
|
|
}
|
|
|
|
if (lsrc->attr_desc) {
|
|
if (!asn1_write_OctetString(&data, lsrc->attr_desc, strlen(lsrc->attr_desc))) {
|
|
return False;
|
|
}
|
|
}
|
|
|
|
if (!asn1_pop_tag(&data)) {
|
|
return False;
|
|
}
|
|
|
|
*out = data_blob_talloc(mem_ctx, data.data, data.length);
|
|
if (out->data == NULL) {
|
|
return False;
|
|
}
|
|
|
|
return True;
|
|
}
|
|
|
|
static BOOL encode_server_sort_request(void *mem_ctx, void *in, DATA_BLOB *out)
|
|
{
|
|
struct ldb_server_sort_control **lssc = talloc_get_type(in, struct ldb_server_sort_control *);
|
|
struct asn1_data data;
|
|
int num;
|
|
|
|
ZERO_STRUCT(data);
|
|
|
|
if (!asn1_push_tag(&data, ASN1_SEQUENCE(0))) {
|
|
return False;
|
|
}
|
|
|
|
for (num = 0; lssc[num]; num++) {
|
|
if (!asn1_push_tag(&data, ASN1_SEQUENCE(0))) {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_write_OctetString(&data, lssc[num]->attributeName, strlen(lssc[num]->attributeName))) {
|
|
return False;
|
|
}
|
|
|
|
if (lssc[num]->orderingRule) {
|
|
if (!asn1_write_OctetString(&data, lssc[num]->orderingRule, strlen(lssc[num]->orderingRule))) {
|
|
return False;
|
|
}
|
|
}
|
|
|
|
if (lssc[num]->reverse) {
|
|
if (!asn1_write_BOOLEAN(&data, lssc[num]->reverse)) {
|
|
return False;
|
|
}
|
|
}
|
|
|
|
if (!asn1_pop_tag(&data)) {
|
|
return False;
|
|
}
|
|
}
|
|
|
|
if (!asn1_pop_tag(&data)) {
|
|
return False;
|
|
}
|
|
|
|
*out = data_blob_talloc(mem_ctx, data.data, data.length);
|
|
if (out->data == NULL) {
|
|
return False;
|
|
}
|
|
|
|
return True;
|
|
}
|
|
|
|
static BOOL encode_extended_dn_request(void *mem_ctx, void *in, DATA_BLOB *out)
|
|
{
|
|
struct ldb_extended_dn_control *ledc = talloc_get_type(in, struct ldb_extended_dn_control);
|
|
struct asn1_data data;
|
|
|
|
ZERO_STRUCT(data);
|
|
|
|
if (!asn1_push_tag(&data, ASN1_SEQUENCE(0))) {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_write_Integer(&data, ledc->type)) {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_pop_tag(&data)) {
|
|
return False;
|
|
}
|
|
|
|
*out = data_blob_talloc(mem_ctx, data.data, data.length);
|
|
if (out->data == NULL) {
|
|
return False;
|
|
}
|
|
|
|
return True;
|
|
}
|
|
|
|
static BOOL encode_paged_results_request(void *mem_ctx, void *in, DATA_BLOB *out)
|
|
{
|
|
struct ldb_paged_control *lprc = talloc_get_type(in, struct ldb_paged_control);
|
|
struct asn1_data data;
|
|
|
|
ZERO_STRUCT(data);
|
|
|
|
if (!asn1_push_tag(&data, ASN1_SEQUENCE(0))) {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_write_Integer(&data, lprc->size)) {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_write_OctetString(&data, lprc->cookie, lprc->cookie_len)) {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_pop_tag(&data)) {
|
|
return False;
|
|
}
|
|
|
|
*out = data_blob_talloc(mem_ctx, data.data, data.length);
|
|
if (out->data == NULL) {
|
|
return False;
|
|
}
|
|
|
|
return True;
|
|
}
|
|
|
|
/* seem that this controls has 2 forms one in case it is used with
|
|
* a Search Request and another when used ina Search Response
|
|
*/
|
|
static BOOL encode_asq_control(void *mem_ctx, void *in, DATA_BLOB *out)
|
|
{
|
|
struct ldb_asq_control *lac = talloc_get_type(in, struct ldb_asq_control);
|
|
struct asn1_data data;
|
|
|
|
ZERO_STRUCT(data);
|
|
|
|
if (!asn1_push_tag(&data, ASN1_SEQUENCE(0))) {
|
|
return False;
|
|
}
|
|
|
|
if (lac->request) {
|
|
|
|
if (!asn1_write_OctetString(&data, lac->source_attribute, lac->src_attr_len)) {
|
|
return False;
|
|
}
|
|
} else {
|
|
if (!asn1_write_enumerated(&data, lac->result)) {
|
|
return False;
|
|
}
|
|
}
|
|
|
|
if (!asn1_pop_tag(&data)) {
|
|
return False;
|
|
}
|
|
|
|
*out = data_blob_talloc(mem_ctx, data.data, data.length);
|
|
if (out->data == NULL) {
|
|
return False;
|
|
}
|
|
|
|
return True;
|
|
}
|
|
|
|
static BOOL encode_dirsync_request(void *mem_ctx, void *in, DATA_BLOB *out)
|
|
{
|
|
struct ldb_dirsync_control *ldc = talloc_get_type(in, struct ldb_dirsync_control);
|
|
struct asn1_data data;
|
|
|
|
ZERO_STRUCT(data);
|
|
|
|
if (!asn1_push_tag(&data, ASN1_SEQUENCE(0))) {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_write_Integer(&data, ldc->flags)) {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_write_Integer(&data, ldc->max_attributes)) {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_write_OctetString(&data, ldc->cookie, ldc->cookie_len)) {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_pop_tag(&data)) {
|
|
return False;
|
|
}
|
|
|
|
*out = data_blob_talloc(mem_ctx, data.data, data.length);
|
|
if (out->data == NULL) {
|
|
return False;
|
|
}
|
|
|
|
return True;
|
|
}
|
|
|
|
static BOOL encode_notification_request(void *mem_ctx, void *in, DATA_BLOB *out)
|
|
{
|
|
if (in) {
|
|
return False;
|
|
}
|
|
|
|
*out = data_blob(NULL, 0);
|
|
return True;
|
|
}
|
|
|
|
static BOOL encode_manageDSAIT_request(void *mem_ctx, void *in, DATA_BLOB *out)
|
|
{
|
|
if (in) {
|
|
return False;
|
|
}
|
|
|
|
*out = data_blob(NULL, 0);
|
|
return True;
|
|
}
|
|
|
|
static BOOL encode_vlv_request(void *mem_ctx, void *in, DATA_BLOB *out)
|
|
{
|
|
struct ldb_vlv_req_control *lvrc = talloc_get_type(in, struct ldb_vlv_req_control);
|
|
struct asn1_data data;
|
|
|
|
ZERO_STRUCT(data);
|
|
|
|
if (!asn1_push_tag(&data, ASN1_SEQUENCE(0))) {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_write_Integer(&data, lvrc->beforeCount)) {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_write_Integer(&data, lvrc->afterCount)) {
|
|
return False;
|
|
}
|
|
|
|
if (lvrc->type == 0) {
|
|
if (!asn1_push_tag(&data, ASN1_CONTEXT(0))) {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_push_tag(&data, ASN1_SEQUENCE(0))) {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_write_Integer(&data, lvrc->match.byOffset.offset)) {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_write_Integer(&data, lvrc->match.byOffset.contentCount)) {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_pop_tag(&data)) { /*SEQUENCE*/
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_pop_tag(&data)) { /*CONTEXT*/
|
|
return False;
|
|
}
|
|
} else {
|
|
if (!asn1_push_tag(&data, ASN1_CONTEXT(1))) {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_write_OctetString(&data, lvrc->match.gtOrEq.value, lvrc->match.gtOrEq.value_len)) {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_pop_tag(&data)) { /*CONTEXT*/
|
|
return False;
|
|
}
|
|
}
|
|
|
|
if (lvrc->ctxid_len) {
|
|
if (!asn1_write_OctetString(&data, lvrc->contextId, lvrc->ctxid_len)) {
|
|
return False;
|
|
}
|
|
}
|
|
|
|
if (!asn1_pop_tag(&data)) {
|
|
return False;
|
|
}
|
|
|
|
*out = data_blob_talloc(mem_ctx, data.data, data.length);
|
|
if (out->data == NULL) {
|
|
return False;
|
|
}
|
|
|
|
return True;
|
|
}
|
|
|
|
static BOOL encode_vlv_response(void *mem_ctx, void *in, DATA_BLOB *out)
|
|
{
|
|
struct ldb_vlv_resp_control *lvrc = talloc_get_type(in, struct ldb_vlv_resp_control);
|
|
struct asn1_data data;
|
|
|
|
ZERO_STRUCT(data);
|
|
|
|
if (!asn1_push_tag(&data, ASN1_SEQUENCE(0))) {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_write_Integer(&data, lvrc->targetPosition)) {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_write_Integer(&data, lvrc->contentCount)) {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_write_enumerated(&data, lvrc->vlv_result)) {
|
|
return False;
|
|
}
|
|
|
|
if (lvrc->ctxid_len) {
|
|
if (!asn1_write_OctetString(&data, lvrc->contextId, lvrc->ctxid_len)) {
|
|
return False;
|
|
}
|
|
}
|
|
|
|
if (!asn1_pop_tag(&data)) {
|
|
return False;
|
|
}
|
|
|
|
*out = data_blob_talloc(mem_ctx, data.data, data.length);
|
|
if (out->data == NULL) {
|
|
return False;
|
|
}
|
|
|
|
return True;
|
|
}
|
|
|
|
struct control_handler ldap_known_controls[] = {
|
|
{ "1.2.840.113556.1.4.319", decode_paged_results_request, encode_paged_results_request },
|
|
{ "1.2.840.113556.1.4.529", decode_extended_dn_request, encode_extended_dn_request },
|
|
{ "1.2.840.113556.1.4.473", decode_server_sort_request, encode_server_sort_request },
|
|
{ "1.2.840.113556.1.4.474", decode_server_sort_response, encode_server_sort_response },
|
|
{ "1.2.840.113556.1.4.1504", decode_asq_control, encode_asq_control },
|
|
{ "1.2.840.113556.1.4.841", decode_dirsync_request, encode_dirsync_request },
|
|
{ "1.2.840.113556.1.4.528", decode_notification_request, encode_notification_request },
|
|
{ "2.16.840.1.113730.3.4.2", decode_manageDSAIT_request, encode_manageDSAIT_request },
|
|
{ "2.16.840.1.113730.3.4.9", decode_vlv_request, encode_vlv_request },
|
|
{ "2.16.840.1.113730.3.4.10", decode_vlv_response, encode_vlv_response },
|
|
{ NULL, NULL, NULL }
|
|
};
|
|
|
|
BOOL ldap_decode_control(void *mem_ctx, struct asn1_data *data, struct ldb_control *ctrl)
|
|
{
|
|
int i;
|
|
DATA_BLOB oid;
|
|
DATA_BLOB value;
|
|
|
|
if (!asn1_start_tag(data, ASN1_SEQUENCE(0))) {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_read_OctetString(data, &oid)) {
|
|
return False;
|
|
}
|
|
ctrl->oid = talloc_strndup(mem_ctx, (char *)oid.data, oid.length);
|
|
if (!ctrl->oid) {
|
|
return False;
|
|
}
|
|
|
|
if (asn1_peek_tag(data, ASN1_BOOLEAN)) {
|
|
if (!asn1_read_BOOLEAN(data, &(ctrl->critical))) {
|
|
return False;
|
|
}
|
|
} else {
|
|
ctrl->critical = False;
|
|
}
|
|
|
|
ctrl->data = NULL;
|
|
|
|
if (!asn1_peek_tag(data, ASN1_OCTET_STRING)) {
|
|
goto end_tag;
|
|
}
|
|
|
|
if (!asn1_read_OctetString(data, &value)) {
|
|
return False;
|
|
}
|
|
|
|
for (i = 0; ldap_known_controls[i].oid != NULL; i++) {
|
|
if (strcmp(ldap_known_controls[i].oid, ctrl->oid) == 0) {
|
|
if (!ldap_known_controls[i].decode(mem_ctx, value, &ctrl->data)) {
|
|
return False;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
if (ldap_known_controls[i].oid == NULL) {
|
|
return False;
|
|
}
|
|
|
|
end_tag:
|
|
if (!asn1_end_tag(data)) {
|
|
return False;
|
|
}
|
|
|
|
return True;
|
|
}
|
|
|
|
BOOL ldap_encode_control(void *mem_ctx, struct asn1_data *data, struct ldb_control *ctrl)
|
|
{
|
|
DATA_BLOB value;
|
|
int i;
|
|
|
|
if (!asn1_push_tag(data, ASN1_SEQUENCE(0))) {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_write_OctetString(data, ctrl->oid, strlen(ctrl->oid))) {
|
|
return False;
|
|
}
|
|
|
|
if (ctrl->critical) {
|
|
if (!asn1_write_BOOLEAN(data, ctrl->critical)) {
|
|
return False;
|
|
}
|
|
}
|
|
|
|
if (!ctrl->data) {
|
|
goto pop_tag;
|
|
}
|
|
|
|
for (i = 0; ldap_known_controls[i].oid != NULL; i++) {
|
|
if (strcmp(ldap_known_controls[i].oid, ctrl->oid) == 0) {
|
|
if (!ldap_known_controls[i].encode(mem_ctx, ctrl->data, &value)) {
|
|
return False;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
if (ldap_known_controls[i].oid == NULL) {
|
|
return False;
|
|
}
|
|
|
|
if (!asn1_write_OctetString(data, value.data, value.length)) {
|
|
return False;
|
|
}
|
|
|
|
pop_tag:
|
|
if (!asn1_pop_tag(data)) {
|
|
return False;
|
|
}
|
|
|
|
return True;
|
|
}
|