1/* 2 Unix SMB/CIFS mplementation. 3 4 wrap/unwrap NDR encoded elements for ldap calls 5 6 Copyright (C) Andrew Tridgell 2005 7 8 This program is free software; you can redistribute it and/or modify 9 it under the terms of the GNU General Public License as published by 10 the Free Software Foundation; either version 3 of the License, or 11 (at your option) any later version. 12 13 This program is distributed in the hope that it will be useful, 14 but WITHOUT ANY WARRANTY; without even the implied warranty of 15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 GNU General Public License for more details. 17 18 You should have received a copy of the GNU General Public License 19 along with this program. If not, see <http://www.gnu.org/licenses/>. 20 21*/ 22 23#include "includes.h" 24#include "lib/ldb/include/ldb.h" 25#include "librpc/gen_ndr/ndr_security.h" 26#include "librpc/gen_ndr/ndr_misc.h" 27#include "libcli/ldap/ldap_ndr.h" 28 29/* 30 encode a NDR uint32 as a ldap filter element 31*/ 32char *ldap_encode_ndr_uint32(TALLOC_CTX *mem_ctx, uint32_t value) 33{ 34 uint8_t buf[4]; 35 struct ldb_val val; 36 SIVAL(buf, 0, value); 37 val.data = buf; 38 val.length = 4; 39 return ldb_binary_encode(mem_ctx, val); 40} 41 42/* 43 encode a NDR dom_sid as a ldap filter element 44*/ 45char *ldap_encode_ndr_dom_sid(TALLOC_CTX *mem_ctx, const struct dom_sid *sid) 46{ 47 DATA_BLOB blob; 48 enum ndr_err_code ndr_err; 49 char *ret; 50 ndr_err = ndr_push_struct_blob(&blob, mem_ctx, NULL, sid, 51 (ndr_push_flags_fn_t)ndr_push_dom_sid); 52 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) { 53 return NULL; 54 } 55 ret = ldb_binary_encode(mem_ctx, blob); 56 data_blob_free(&blob); 57 return ret; 58} 59 60 61/* 62 encode a NDR GUID as a ldap filter element 63*/ 64char *ldap_encode_ndr_GUID(TALLOC_CTX *mem_ctx, struct GUID *guid) 65{ 66 DATA_BLOB blob; 67 enum ndr_err_code ndr_err; 68 char *ret; 69 ndr_err = ndr_push_struct_blob(&blob, mem_ctx, NULL, guid, 70 (ndr_push_flags_fn_t)ndr_push_GUID); 71 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) { 72 return NULL; 73 } 74 ret = ldb_binary_encode(mem_ctx, blob); 75 data_blob_free(&blob); 76 return ret; 77} 78 79/* 80 decode a NDR GUID from a ldap filter element 81*/ 82NTSTATUS ldap_decode_ndr_GUID(TALLOC_CTX *mem_ctx, struct ldb_val val, struct GUID *guid) 83{ 84 DATA_BLOB blob; 85 enum ndr_err_code ndr_err; 86 87 blob.data = val.data; 88 blob.length = val.length; 89 ndr_err = ndr_pull_struct_blob(&blob, mem_ctx, NULL, guid, 90 (ndr_pull_flags_fn_t)ndr_pull_GUID); 91 talloc_free(val.data); 92 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) { 93 return ndr_map_error2ntstatus(ndr_err); 94 } 95 return NT_STATUS_OK; 96} 97