mirror of
https://github.com/samba-team/samba.git
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172a83d724
Split of system/locale.h header from system/iconv.h
Previously, iconv wasn't being used on these systems
(This used to be commit aa6d66fda6
)
991 lines
20 KiB
C
991 lines
20 KiB
C
/*
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Unix SMB/CIFS mplementation.
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LDAP protocol helper functions for SAMBA
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Copyright (C) Simo Sorce 2005
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "includes.h"
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#include "libcli/util/asn_1.h"
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#include "libcli/ldap/ldap.h"
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#include "lib/ldb/include/ldb.h"
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struct control_handler {
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const char *oid;
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BOOL (*decode)(void *mem_ctx, DATA_BLOB in, void **out);
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BOOL (*encode)(void *mem_ctx, void *in, DATA_BLOB *out);
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};
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static BOOL decode_server_sort_response(void *mem_ctx, DATA_BLOB in, void **out)
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{
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DATA_BLOB attr;
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struct asn1_data data;
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struct ldb_sort_resp_control *lsrc;
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if (!asn1_load(&data, in)) {
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return False;
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}
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lsrc = talloc(mem_ctx, struct ldb_sort_resp_control);
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if (!lsrc) {
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return False;
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}
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if (!asn1_start_tag(&data, ASN1_SEQUENCE(0))) {
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return False;
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}
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if (!asn1_read_enumerated(&data, &(lsrc->result))) {
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return False;
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}
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lsrc->attr_desc = NULL;
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if (asn1_peek_tag(&data, ASN1_OCTET_STRING)) {
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if (!asn1_read_OctetString(&data, &attr)) {
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return False;
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}
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lsrc->attr_desc = talloc_strndup(lsrc, (const char *)attr.data, attr.length);
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if (!lsrc->attr_desc) {
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return False;
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}
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}
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if (!asn1_end_tag(&data)) {
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return False;
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}
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*out = lsrc;
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return True;
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}
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static BOOL decode_server_sort_request(void *mem_ctx, DATA_BLOB in, void **out)
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{
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DATA_BLOB attr;
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DATA_BLOB rule;
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struct asn1_data data;
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struct ldb_server_sort_control **lssc;
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int num;
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if (!asn1_load(&data, in)) {
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return False;
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}
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if (!asn1_start_tag(&data, ASN1_SEQUENCE(0))) {
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return False;
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}
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lssc = NULL;
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for (num = 0; asn1_peek_tag(&data, ASN1_SEQUENCE(0)); num++) {
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lssc = talloc_realloc(mem_ctx, lssc, struct ldb_server_sort_control *, num + 2);
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if (!lssc) {
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return False;
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}
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lssc[num] = talloc_zero(lssc, struct ldb_server_sort_control);
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if (!lssc[num]) {
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return False;
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}
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if (!asn1_start_tag(&data, ASN1_SEQUENCE(0))) {
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return False;
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}
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if (!asn1_read_OctetString(&data, &attr)) {
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return False;
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}
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lssc[num]->attributeName = talloc_strndup(lssc[num], (const char *)attr.data, attr.length);
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if (!lssc [num]->attributeName) {
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return False;
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}
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if (asn1_peek_tag(&data, ASN1_OCTET_STRING)) {
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if (!asn1_read_OctetString(&data, &rule)) {
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return False;
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}
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lssc[num]->orderingRule = talloc_strndup(lssc[num], (const char *)rule.data, rule.length);
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if (!lssc[num]->orderingRule) {
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return False;
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}
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}
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if (asn1_peek_tag(&data, ASN1_BOOLEAN)) {
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BOOL reverse;
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if (!asn1_read_BOOLEAN(&data, &reverse)) {
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return False;
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}
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lssc[num]->reverse = reverse;
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}
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if (!asn1_end_tag(&data)) {
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return False;
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}
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}
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if (lssc != NULL) {
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lssc[num] = NULL;
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}
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if (!asn1_end_tag(&data)) {
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return False;
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}
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*out = lssc;
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return True;
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}
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static BOOL decode_extended_dn_request(void *mem_ctx, DATA_BLOB in, void **out)
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{
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struct asn1_data data;
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struct ldb_extended_dn_control *ledc;
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if (!asn1_load(&data, in)) {
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return False;
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}
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ledc = talloc(mem_ctx, struct ldb_extended_dn_control);
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if (!ledc) {
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return False;
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}
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if (!asn1_start_tag(&data, ASN1_SEQUENCE(0))) {
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return False;
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}
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if (!asn1_read_Integer(&data, &(ledc->type))) {
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return False;
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}
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if (!asn1_end_tag(&data)) {
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return False;
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}
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*out = ledc;
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return True;
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}
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static BOOL decode_paged_results_request(void *mem_ctx, DATA_BLOB in, void **out)
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{
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DATA_BLOB cookie;
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struct asn1_data data;
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struct ldb_paged_control *lprc;
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if (!asn1_load(&data, in)) {
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return False;
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}
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lprc = talloc(mem_ctx, struct ldb_paged_control);
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if (!lprc) {
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return False;
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}
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if (!asn1_start_tag(&data, ASN1_SEQUENCE(0))) {
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return False;
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}
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if (!asn1_read_Integer(&data, &(lprc->size))) {
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return False;
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}
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if (!asn1_read_OctetString(&data, &cookie)) {
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return False;
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}
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lprc->cookie_len = cookie.length;
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if (lprc->cookie_len) {
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lprc->cookie = talloc_memdup(lprc, cookie.data, cookie.length);
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if (!(lprc->cookie)) {
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return False;
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}
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} else {
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lprc->cookie = NULL;
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}
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if (!asn1_end_tag(&data)) {
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return False;
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}
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*out = lprc;
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return True;
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}
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static BOOL decode_dirsync_request(void *mem_ctx, DATA_BLOB in, void **out)
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{
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DATA_BLOB cookie;
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struct asn1_data data;
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struct ldb_dirsync_control *ldc;
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if (!asn1_load(&data, in)) {
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return False;
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}
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ldc = talloc(mem_ctx, struct ldb_dirsync_control);
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if (!ldc) {
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return False;
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}
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if (!asn1_start_tag(&data, ASN1_SEQUENCE(0))) {
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return False;
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}
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if (!asn1_read_Integer(&data, &(ldc->flags))) {
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return False;
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}
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if (!asn1_read_Integer(&data, &(ldc->max_attributes))) {
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return False;
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}
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if (!asn1_read_OctetString(&data, &cookie)) {
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return False;
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}
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ldc->cookie_len = cookie.length;
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if (ldc->cookie_len) {
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ldc->cookie = talloc_memdup(ldc, cookie.data, cookie.length);
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if (!(ldc->cookie)) {
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return False;
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}
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} else {
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ldc->cookie = NULL;
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}
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if (!asn1_end_tag(&data)) {
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return False;
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}
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*out = ldc;
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return True;
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}
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/* seem that this controls has 2 forms one in case it is used with
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* a Search Request and another when used ina Search Response
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*/
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static BOOL decode_asq_control(void *mem_ctx, DATA_BLOB in, void **out)
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{
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DATA_BLOB source_attribute;
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struct asn1_data data;
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struct ldb_asq_control *lac;
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if (!asn1_load(&data, in)) {
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return False;
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}
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lac = talloc(mem_ctx, struct ldb_asq_control);
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if (!lac) {
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return False;
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}
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if (!asn1_start_tag(&data, ASN1_SEQUENCE(0))) {
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return False;
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}
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if (asn1_peek_tag(&data, ASN1_OCTET_STRING)) {
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if (!asn1_read_OctetString(&data, &source_attribute)) {
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return False;
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}
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lac->src_attr_len = source_attribute.length;
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if (lac->src_attr_len) {
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lac->source_attribute = talloc_strndup(lac, (const char *)source_attribute.data, source_attribute.length);
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if (!(lac->source_attribute)) {
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return False;
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}
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} else {
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lac->source_attribute = NULL;
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}
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lac->request = 1;
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} else if (asn1_peek_tag(&data, ASN1_ENUMERATED)) {
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if (!asn1_read_enumerated(&data, &(lac->result))) {
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return False;
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}
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lac->request = 0;
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} else {
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return False;
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}
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if (!asn1_end_tag(&data)) {
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return False;
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}
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*out = lac;
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return True;
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}
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static BOOL decode_notification_request(void *mem_ctx, DATA_BLOB in, void **out)
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{
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if (in.length != 0) {
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return False;
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}
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return True;
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}
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static BOOL decode_manageDSAIT_request(void *mem_ctx, DATA_BLOB in, void **out)
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{
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if (in.length != 0) {
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return False;
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}
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return True;
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}
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static BOOL decode_vlv_request(void *mem_ctx, DATA_BLOB in, void **out)
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{
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DATA_BLOB assertion_value, context_id;
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struct asn1_data data;
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struct ldb_vlv_req_control *lvrc;
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if (!asn1_load(&data, in)) {
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return False;
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}
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lvrc = talloc(mem_ctx, struct ldb_vlv_req_control);
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if (!lvrc) {
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return False;
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}
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if (!asn1_start_tag(&data, ASN1_SEQUENCE(0))) {
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return False;
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}
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if (!asn1_read_Integer(&data, &(lvrc->beforeCount))) {
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return False;
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}
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if (!asn1_read_Integer(&data, &(lvrc->afterCount))) {
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return False;
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}
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if (asn1_peek_tag(&data, ASN1_CONTEXT(0))) {
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lvrc->type = 0;
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if (!asn1_start_tag(&data, ASN1_CONTEXT(0))) {
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return False;
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}
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if (!asn1_start_tag(&data, ASN1_SEQUENCE(0))) {
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return False;
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}
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if (!asn1_read_Integer(&data, &(lvrc->match.byOffset.offset))) {
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return False;
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}
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if (!asn1_read_Integer(&data, &(lvrc->match.byOffset.contentCount))) {
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return False;
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}
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if (!asn1_end_tag(&data)) { /*SEQUENCE*/
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return False;
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}
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if (!asn1_end_tag(&data)) { /*CONTEXT*/
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return False;
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}
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} else {
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lvrc->type = 1;
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if (!asn1_start_tag(&data, ASN1_CONTEXT(1))) {
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return False;
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}
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if (!asn1_read_OctetString(&data, &assertion_value)) {
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return False;
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}
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lvrc->match.gtOrEq.value_len = assertion_value.length;
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if (lvrc->match.gtOrEq.value_len) {
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lvrc->match.gtOrEq.value = talloc_memdup(lvrc, assertion_value.data, assertion_value.length);
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if (!(lvrc->match.gtOrEq.value)) {
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return False;
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}
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} else {
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lvrc->match.gtOrEq.value = NULL;
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}
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if (!asn1_end_tag(&data)) { /*CONTEXT*/
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return False;
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}
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}
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if (asn1_peek_tag(&data, ASN1_OCTET_STRING)) {
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if (!asn1_read_OctetString(&data, &context_id)) {
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return False;
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}
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lvrc->ctxid_len = context_id.length;
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if (lvrc->ctxid_len) {
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lvrc->contextId = talloc_memdup(lvrc, context_id.data, context_id.length);
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if (!(lvrc->contextId)) {
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return False;
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}
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} else {
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lvrc->contextId = NULL;
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}
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} else {
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lvrc->contextId = NULL;
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lvrc->ctxid_len = 0;
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}
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if (!asn1_end_tag(&data)) {
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return False;
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}
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*out = lvrc;
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return True;
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}
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static BOOL decode_vlv_response(void *mem_ctx, DATA_BLOB in, void **out)
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{
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DATA_BLOB context_id;
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struct asn1_data data;
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struct ldb_vlv_resp_control *lvrc;
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if (!asn1_load(&data, in)) {
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return False;
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}
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lvrc = talloc(mem_ctx, struct ldb_vlv_resp_control);
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if (!lvrc) {
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return False;
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}
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if (!asn1_start_tag(&data, ASN1_SEQUENCE(0))) {
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return False;
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}
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if (!asn1_read_Integer(&data, &(lvrc->targetPosition))) {
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return False;
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}
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if (!asn1_read_Integer(&data, &(lvrc->contentCount))) {
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return False;
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}
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if (!asn1_read_enumerated(&data, &(lvrc->vlv_result))) {
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return False;
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}
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if (asn1_peek_tag(&data, ASN1_OCTET_STRING)) {
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if (!asn1_read_OctetString(&data, &context_id)) {
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return False;
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}
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lvrc->contextId = talloc_strndup(lvrc, (const char *)context_id.data, context_id.length);
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if (!lvrc->contextId) {
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return False;
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}
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lvrc->ctxid_len = context_id.length;
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} else {
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lvrc->contextId = NULL;
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lvrc->ctxid_len = 0;
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}
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if (!asn1_end_tag(&data)) {
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return False;
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}
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*out = lvrc;
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return True;
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}
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static BOOL encode_server_sort_response(void *mem_ctx, void *in, DATA_BLOB *out)
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{
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struct ldb_sort_resp_control *lsrc = talloc_get_type(in, struct ldb_sort_resp_control);
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struct asn1_data data;
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ZERO_STRUCT(data);
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if (!asn1_push_tag(&data, ASN1_SEQUENCE(0))) {
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return False;
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}
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if (!asn1_write_enumerated(&data, lsrc->result)) {
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return False;
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}
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if (lsrc->attr_desc) {
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if (!asn1_write_OctetString(&data, lsrc->attr_desc, strlen(lsrc->attr_desc))) {
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return False;
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}
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}
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if (!asn1_pop_tag(&data)) {
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return False;
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}
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*out = data_blob_talloc(mem_ctx, data.data, data.length);
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if (out->data == NULL) {
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return False;
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}
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return True;
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}
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static BOOL encode_server_sort_request(void *mem_ctx, void *in, DATA_BLOB *out)
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{
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struct ldb_server_sort_control **lssc = talloc_get_type(in, struct ldb_server_sort_control *);
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struct asn1_data data;
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int num;
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ZERO_STRUCT(data);
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if (!asn1_push_tag(&data, ASN1_SEQUENCE(0))) {
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return False;
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}
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for (num = 0; lssc[num]; num++) {
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if (!asn1_push_tag(&data, ASN1_SEQUENCE(0))) {
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return False;
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}
|
|
|
|
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)) {
|
|
BOOL critical;
|
|
if (!asn1_read_BOOLEAN(data, &critical)) {
|
|
return False;
|
|
}
|
|
ctrl->critical = critical;
|
|
} 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;
|
|
}
|