1
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samba-mirror/source3/lib/netapi/localgroup.c
Jeremy Allison 0dc6181894 CVE-2013-4408:s3:Ensure LookupNames replies arrays are range checked.
Bug: https://bugzilla.samba.org/show_bug.cgi?id=10185

Signed-off-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Jeremy Allison <jra@samba.org>
2013-12-09 07:05:46 +01:00

1437 lines
36 KiB
C

/*
* Unix SMB/CIFS implementation.
* NetApi LocalGroup Support
* Copyright (C) Guenther Deschner 2008
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "librpc/gen_ndr/libnetapi.h"
#include "lib/netapi/netapi.h"
#include "lib/netapi/netapi_private.h"
#include "lib/netapi/libnetapi.h"
#include "rpc_client/rpc_client.h"
#include "../librpc/gen_ndr/ndr_samr_c.h"
#include "../librpc/gen_ndr/ndr_lsa_c.h"
#include "rpc_client/cli_lsarpc.h"
#include "rpc_client/init_lsa.h"
#include "../libcli/security/security.h"
static NTSTATUS libnetapi_samr_lookup_and_open_alias(TALLOC_CTX *mem_ctx,
struct rpc_pipe_client *pipe_cli,
struct policy_handle *domain_handle,
const char *group_name,
uint32_t access_rights,
struct policy_handle *alias_handle)
{
NTSTATUS status, result;
struct lsa_String lsa_account_name;
struct samr_Ids user_rids, name_types;
struct dcerpc_binding_handle *b = pipe_cli->binding_handle;
init_lsa_String(&lsa_account_name, group_name);
status = dcerpc_samr_LookupNames(b, mem_ctx,
domain_handle,
1,
&lsa_account_name,
&user_rids,
&name_types,
&result);
if (!NT_STATUS_IS_OK(status)) {
return status;
}
if (!NT_STATUS_IS_OK(result)) {
return result;
}
if (user_rids.count != 1) {
return NT_STATUS_INVALID_NETWORK_RESPONSE;
}
if (name_types.count != 1) {
return NT_STATUS_INVALID_NETWORK_RESPONSE;
}
switch (name_types.ids[0]) {
case SID_NAME_ALIAS:
case SID_NAME_WKN_GRP:
break;
default:
return NT_STATUS_INVALID_SID;
}
status = dcerpc_samr_OpenAlias(b, mem_ctx,
domain_handle,
access_rights,
user_rids.ids[0],
alias_handle,
&result);
if (!NT_STATUS_IS_OK(status)) {
return status;
}
return result;
}
/****************************************************************
****************************************************************/
static NTSTATUS libnetapi_samr_open_alias_queryinfo(TALLOC_CTX *mem_ctx,
struct rpc_pipe_client *pipe_cli,
struct policy_handle *handle,
uint32_t rid,
uint32_t access_rights,
enum samr_AliasInfoEnum level,
union samr_AliasInfo **alias_info)
{
NTSTATUS status, result;
struct policy_handle alias_handle;
union samr_AliasInfo *_alias_info = NULL;
struct dcerpc_binding_handle *b = pipe_cli->binding_handle;
ZERO_STRUCT(alias_handle);
status = dcerpc_samr_OpenAlias(b, mem_ctx,
handle,
access_rights,
rid,
&alias_handle,
&result);
if (!NT_STATUS_IS_OK(status)) {
goto done;
}
if (!NT_STATUS_IS_OK(result)) {
status = result;
goto done;
}
status = dcerpc_samr_QueryAliasInfo(b, mem_ctx,
&alias_handle,
level,
&_alias_info,
&result);
if (!NT_STATUS_IS_OK(status)) {
goto done;
}
if (!NT_STATUS_IS_OK(result)) {
status = result;
goto done;
}
*alias_info = _alias_info;
done:
if (is_valid_policy_hnd(&alias_handle)) {
dcerpc_samr_Close(b, mem_ctx, &alias_handle, &result);
}
return status;
}
/****************************************************************
****************************************************************/
WERROR NetLocalGroupAdd_r(struct libnetapi_ctx *ctx,
struct NetLocalGroupAdd *r)
{
struct rpc_pipe_client *pipe_cli = NULL;
NTSTATUS status, result;
WERROR werr;
struct lsa_String lsa_account_name;
struct policy_handle connect_handle, domain_handle, builtin_handle, alias_handle;
struct dom_sid2 *domain_sid = NULL;
uint32_t rid;
struct dcerpc_binding_handle *b = NULL;
struct LOCALGROUP_INFO_0 *info0 = NULL;
struct LOCALGROUP_INFO_1 *info1 = NULL;
const char *alias_name = NULL;
if (!r->in.buffer) {
return WERR_INVALID_PARAM;
}
ZERO_STRUCT(connect_handle);
ZERO_STRUCT(builtin_handle);
ZERO_STRUCT(domain_handle);
ZERO_STRUCT(alias_handle);
switch (r->in.level) {
case 0:
info0 = (struct LOCALGROUP_INFO_0 *)r->in.buffer;
alias_name = info0->lgrpi0_name;
break;
case 1:
info1 = (struct LOCALGROUP_INFO_1 *)r->in.buffer;
alias_name = info1->lgrpi1_name;
break;
default:
werr = WERR_UNKNOWN_LEVEL;
goto done;
}
werr = libnetapi_open_pipe(ctx, r->in.server_name,
&ndr_table_samr,
&pipe_cli);
if (!W_ERROR_IS_OK(werr)) {
goto done;
}
b = pipe_cli->binding_handle;
werr = libnetapi_samr_open_builtin_domain(ctx, pipe_cli,
SAMR_ACCESS_LOOKUP_DOMAIN |
SAMR_ACCESS_ENUM_DOMAINS,
SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT,
&connect_handle,
&builtin_handle);
if (!W_ERROR_IS_OK(werr)) {
goto done;
}
status = libnetapi_samr_lookup_and_open_alias(ctx, pipe_cli,
&builtin_handle,
alias_name,
SAMR_ALIAS_ACCESS_LOOKUP_INFO,
&alias_handle);
if (ctx->disable_policy_handle_cache) {
libnetapi_samr_close_builtin_handle(ctx, &builtin_handle);
}
if (NT_STATUS_IS_OK(status)) {
werr = WERR_ALIAS_EXISTS;
goto done;
}
werr = libnetapi_samr_open_domain(ctx, pipe_cli,
SAMR_ACCESS_ENUM_DOMAINS |
SAMR_ACCESS_LOOKUP_DOMAIN,
SAMR_DOMAIN_ACCESS_CREATE_ALIAS |
SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT,
&connect_handle,
&domain_handle,
&domain_sid);
if (!W_ERROR_IS_OK(werr)) {
goto done;
}
init_lsa_String(&lsa_account_name, alias_name);
status = dcerpc_samr_CreateDomAlias(b, talloc_tos(),
&domain_handle,
&lsa_account_name,
SEC_STD_DELETE |
SAMR_ALIAS_ACCESS_SET_INFO,
&alias_handle,
&rid,
&result);
if (!NT_STATUS_IS_OK(status)) {
werr = ntstatus_to_werror(status);
goto done;
}
if (!NT_STATUS_IS_OK(result)) {
werr = ntstatus_to_werror(result);
goto done;
}
if (r->in.level == 1 && info1->lgrpi1_comment) {
union samr_AliasInfo alias_info;
init_lsa_String(&alias_info.description, info1->lgrpi1_comment);
status = dcerpc_samr_SetAliasInfo(b, talloc_tos(),
&alias_handle,
ALIASINFODESCRIPTION,
&alias_info,
&result);
if (!NT_STATUS_IS_OK(status)) {
werr = ntstatus_to_werror(status);
goto done;
}
if (!NT_STATUS_IS_OK(result)) {
werr = ntstatus_to_werror(result);
goto done;
}
}
werr = WERR_OK;
done:
if (is_valid_policy_hnd(&alias_handle)) {
dcerpc_samr_Close(b, talloc_tos(), &alias_handle, &result);
}
if (ctx->disable_policy_handle_cache) {
libnetapi_samr_close_domain_handle(ctx, &domain_handle);
libnetapi_samr_close_builtin_handle(ctx, &builtin_handle);
libnetapi_samr_close_connect_handle(ctx, &connect_handle);
}
return werr;
}
/****************************************************************
****************************************************************/
WERROR NetLocalGroupAdd_l(struct libnetapi_ctx *ctx,
struct NetLocalGroupAdd *r)
{
LIBNETAPI_REDIRECT_TO_LOCALHOST(ctx, r, NetLocalGroupAdd);
}
/****************************************************************
****************************************************************/
WERROR NetLocalGroupDel_r(struct libnetapi_ctx *ctx,
struct NetLocalGroupDel *r)
{
struct rpc_pipe_client *pipe_cli = NULL;
NTSTATUS status, result;
WERROR werr;
struct policy_handle connect_handle, domain_handle, builtin_handle, alias_handle;
struct dom_sid2 *domain_sid = NULL;
struct dcerpc_binding_handle *b = NULL;
if (!r->in.group_name) {
return WERR_INVALID_PARAM;
}
ZERO_STRUCT(connect_handle);
ZERO_STRUCT(builtin_handle);
ZERO_STRUCT(domain_handle);
ZERO_STRUCT(alias_handle);
werr = libnetapi_open_pipe(ctx, r->in.server_name,
&ndr_table_samr,
&pipe_cli);
if (!W_ERROR_IS_OK(werr)) {
goto done;
}
b = pipe_cli->binding_handle;
werr = libnetapi_samr_open_builtin_domain(ctx, pipe_cli,
SAMR_ACCESS_LOOKUP_DOMAIN |
SAMR_ACCESS_ENUM_DOMAINS,
SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT,
&connect_handle,
&builtin_handle);
if (!W_ERROR_IS_OK(werr)) {
goto done;
}
status = libnetapi_samr_lookup_and_open_alias(ctx, pipe_cli,
&builtin_handle,
r->in.group_name,
SEC_STD_DELETE,
&alias_handle);
if (ctx->disable_policy_handle_cache) {
libnetapi_samr_close_builtin_handle(ctx, &builtin_handle);
}
if (NT_STATUS_IS_OK(status)) {
goto delete_alias;
}
werr = libnetapi_samr_open_domain(ctx, pipe_cli,
SAMR_ACCESS_ENUM_DOMAINS |
SAMR_ACCESS_LOOKUP_DOMAIN,
SAMR_DOMAIN_ACCESS_CREATE_ALIAS |
SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT,
&connect_handle,
&domain_handle,
&domain_sid);
if (!W_ERROR_IS_OK(werr)) {
goto done;
}
status = libnetapi_samr_lookup_and_open_alias(ctx, pipe_cli,
&domain_handle,
r->in.group_name,
SEC_STD_DELETE,
&alias_handle);
if (ctx->disable_policy_handle_cache) {
libnetapi_samr_close_domain_handle(ctx, &domain_handle);
}
if (!NT_STATUS_IS_OK(status)) {
werr = ntstatus_to_werror(status);
goto done;
}
delete_alias:
status = dcerpc_samr_DeleteDomAlias(b, talloc_tos(),
&alias_handle,
&result);
if (!NT_STATUS_IS_OK(status)) {
werr = ntstatus_to_werror(status);
goto done;
}
if (!NT_STATUS_IS_OK(result)) {
werr = ntstatus_to_werror(result);
goto done;
}
ZERO_STRUCT(alias_handle);
werr = WERR_OK;
done:
if (is_valid_policy_hnd(&alias_handle)) {
dcerpc_samr_Close(b, talloc_tos(), &alias_handle, &result);
}
if (ctx->disable_policy_handle_cache) {
libnetapi_samr_close_domain_handle(ctx, &domain_handle);
libnetapi_samr_close_builtin_handle(ctx, &builtin_handle);
libnetapi_samr_close_connect_handle(ctx, &connect_handle);
}
return werr;
}
/****************************************************************
****************************************************************/
WERROR NetLocalGroupDel_l(struct libnetapi_ctx *ctx,
struct NetLocalGroupDel *r)
{
LIBNETAPI_REDIRECT_TO_LOCALHOST(ctx, r, NetLocalGroupDel);
}
/****************************************************************
****************************************************************/
static WERROR map_alias_info_to_buffer(TALLOC_CTX *mem_ctx,
const char *alias_name,
struct samr_AliasInfoAll *info,
uint32_t level,
uint32_t *entries_read,
uint8_t **buffer)
{
struct LOCALGROUP_INFO_0 g0;
struct LOCALGROUP_INFO_1 g1;
struct LOCALGROUP_INFO_1002 g1002;
switch (level) {
case 0:
g0.lgrpi0_name = talloc_strdup(mem_ctx, alias_name);
W_ERROR_HAVE_NO_MEMORY(g0.lgrpi0_name);
ADD_TO_ARRAY(mem_ctx, struct LOCALGROUP_INFO_0, g0,
(struct LOCALGROUP_INFO_0 **)buffer, entries_read);
break;
case 1:
g1.lgrpi1_name = talloc_strdup(mem_ctx, alias_name);
g1.lgrpi1_comment = talloc_strdup(mem_ctx, info->description.string);
W_ERROR_HAVE_NO_MEMORY(g1.lgrpi1_name);
ADD_TO_ARRAY(mem_ctx, struct LOCALGROUP_INFO_1, g1,
(struct LOCALGROUP_INFO_1 **)buffer, entries_read);
break;
case 1002:
g1002.lgrpi1002_comment = talloc_strdup(mem_ctx, info->description.string);
ADD_TO_ARRAY(mem_ctx, struct LOCALGROUP_INFO_1002, g1002,
(struct LOCALGROUP_INFO_1002 **)buffer, entries_read);
break;
default:
return WERR_UNKNOWN_LEVEL;
}
return WERR_OK;
}
/****************************************************************
****************************************************************/
WERROR NetLocalGroupGetInfo_r(struct libnetapi_ctx *ctx,
struct NetLocalGroupGetInfo *r)
{
struct rpc_pipe_client *pipe_cli = NULL;
NTSTATUS status, result;
WERROR werr;
struct policy_handle connect_handle, domain_handle, builtin_handle, alias_handle;
struct dom_sid2 *domain_sid = NULL;
union samr_AliasInfo *alias_info = NULL;
uint32_t entries_read = 0;
struct dcerpc_binding_handle *b = NULL;
if (!r->in.group_name) {
return WERR_INVALID_PARAM;
}
switch (r->in.level) {
case 0:
case 1:
case 1002:
break;
default:
return WERR_UNKNOWN_LEVEL;
}
ZERO_STRUCT(connect_handle);
ZERO_STRUCT(builtin_handle);
ZERO_STRUCT(domain_handle);
ZERO_STRUCT(alias_handle);
werr = libnetapi_open_pipe(ctx, r->in.server_name,
&ndr_table_samr,
&pipe_cli);
if (!W_ERROR_IS_OK(werr)) {
goto done;
}
b = pipe_cli->binding_handle;
werr = libnetapi_samr_open_builtin_domain(ctx, pipe_cli,
SAMR_ACCESS_LOOKUP_DOMAIN |
SAMR_ACCESS_ENUM_DOMAINS,
SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT,
&connect_handle,
&builtin_handle);
if (!W_ERROR_IS_OK(werr)) {
goto done;
}
status = libnetapi_samr_lookup_and_open_alias(ctx, pipe_cli,
&builtin_handle,
r->in.group_name,
SAMR_ALIAS_ACCESS_LOOKUP_INFO,
&alias_handle);
if (ctx->disable_policy_handle_cache) {
libnetapi_samr_close_builtin_handle(ctx, &builtin_handle);
}
if (NT_STATUS_IS_OK(status)) {
goto query_alias;
}
werr = libnetapi_samr_open_domain(ctx, pipe_cli,
SAMR_ACCESS_ENUM_DOMAINS |
SAMR_ACCESS_LOOKUP_DOMAIN,
SAMR_DOMAIN_ACCESS_CREATE_ALIAS |
SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT,
&connect_handle,
&domain_handle,
&domain_sid);
if (!W_ERROR_IS_OK(werr)) {
goto done;
}
status = libnetapi_samr_lookup_and_open_alias(ctx, pipe_cli,
&domain_handle,
r->in.group_name,
SAMR_ALIAS_ACCESS_LOOKUP_INFO,
&alias_handle);
if (ctx->disable_policy_handle_cache) {
libnetapi_samr_close_domain_handle(ctx, &domain_handle);
}
if (!NT_STATUS_IS_OK(status)) {
werr = ntstatus_to_werror(status);
goto done;
}
query_alias:
status = dcerpc_samr_QueryAliasInfo(b, talloc_tos(),
&alias_handle,
ALIASINFOALL,
&alias_info,
&result);
if (!NT_STATUS_IS_OK(status)) {
werr = ntstatus_to_werror(status);
goto done;
}
if (!NT_STATUS_IS_OK(result)) {
werr = ntstatus_to_werror(result);
goto done;
}
werr = map_alias_info_to_buffer(ctx,
r->in.group_name,
&alias_info->all,
r->in.level, &entries_read,
r->out.buffer);
done:
if (is_valid_policy_hnd(&alias_handle)) {
dcerpc_samr_Close(b, talloc_tos(), &alias_handle, &result);
}
if (ctx->disable_policy_handle_cache) {
libnetapi_samr_close_domain_handle(ctx, &domain_handle);
libnetapi_samr_close_builtin_handle(ctx, &builtin_handle);
libnetapi_samr_close_connect_handle(ctx, &connect_handle);
}
return werr;
}
/****************************************************************
****************************************************************/
WERROR NetLocalGroupGetInfo_l(struct libnetapi_ctx *ctx,
struct NetLocalGroupGetInfo *r)
{
LIBNETAPI_REDIRECT_TO_LOCALHOST(ctx, r, NetLocalGroupGetInfo);
}
/****************************************************************
****************************************************************/
static WERROR map_buffer_to_alias_info(TALLOC_CTX *mem_ctx,
uint32_t level,
uint8_t *buffer,
enum samr_AliasInfoEnum *alias_level,
union samr_AliasInfo **alias_info)
{
struct LOCALGROUP_INFO_0 *info0;
struct LOCALGROUP_INFO_1 *info1;
struct LOCALGROUP_INFO_1002 *info1002;
union samr_AliasInfo *info = NULL;
info = talloc_zero(mem_ctx, union samr_AliasInfo);
W_ERROR_HAVE_NO_MEMORY(info);
switch (level) {
case 0:
info0 = (struct LOCALGROUP_INFO_0 *)buffer;
init_lsa_String(&info->name, info0->lgrpi0_name);
*alias_level = ALIASINFONAME;
break;
case 1:
info1 = (struct LOCALGROUP_INFO_1 *)buffer;
/* group name will be ignored */
init_lsa_String(&info->description, info1->lgrpi1_comment);
*alias_level = ALIASINFODESCRIPTION;
break;
case 1002:
info1002 = (struct LOCALGROUP_INFO_1002 *)buffer;
init_lsa_String(&info->description, info1002->lgrpi1002_comment);
*alias_level = ALIASINFODESCRIPTION;
break;
}
*alias_info = info;
return WERR_OK;
}
/****************************************************************
****************************************************************/
WERROR NetLocalGroupSetInfo_r(struct libnetapi_ctx *ctx,
struct NetLocalGroupSetInfo *r)
{
struct rpc_pipe_client *pipe_cli = NULL;
NTSTATUS status, result;
WERROR werr;
struct lsa_String lsa_account_name;
struct policy_handle connect_handle, domain_handle, builtin_handle, alias_handle;
struct dom_sid2 *domain_sid = NULL;
enum samr_AliasInfoEnum alias_level = 0;
union samr_AliasInfo *alias_info = NULL;
struct dcerpc_binding_handle *b = NULL;
if (!r->in.group_name) {
return WERR_INVALID_PARAM;
}
switch (r->in.level) {
case 0:
case 1:
case 1002:
break;
default:
return WERR_UNKNOWN_LEVEL;
}
ZERO_STRUCT(connect_handle);
ZERO_STRUCT(builtin_handle);
ZERO_STRUCT(domain_handle);
ZERO_STRUCT(alias_handle);
werr = libnetapi_open_pipe(ctx, r->in.server_name,
&ndr_table_samr,
&pipe_cli);
if (!W_ERROR_IS_OK(werr)) {
goto done;
}
b = pipe_cli->binding_handle;
werr = libnetapi_samr_open_builtin_domain(ctx, pipe_cli,
SAMR_ACCESS_LOOKUP_DOMAIN |
SAMR_ACCESS_ENUM_DOMAINS,
SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT,
&connect_handle,
&builtin_handle);
if (!W_ERROR_IS_OK(werr)) {
goto done;
}
init_lsa_String(&lsa_account_name, r->in.group_name);
status = libnetapi_samr_lookup_and_open_alias(ctx, pipe_cli,
&builtin_handle,
r->in.group_name,
SAMR_ALIAS_ACCESS_SET_INFO,
&alias_handle);
if (ctx->disable_policy_handle_cache) {
libnetapi_samr_close_builtin_handle(ctx, &builtin_handle);
}
if (NT_STATUS_IS_OK(status)) {
goto set_alias;
}
werr = libnetapi_samr_open_domain(ctx, pipe_cli,
SAMR_ACCESS_ENUM_DOMAINS |
SAMR_ACCESS_LOOKUP_DOMAIN,
SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT,
&connect_handle,
&domain_handle,
&domain_sid);
if (!W_ERROR_IS_OK(werr)) {
goto done;
}
status = libnetapi_samr_lookup_and_open_alias(ctx, pipe_cli,
&domain_handle,
r->in.group_name,
SAMR_ALIAS_ACCESS_SET_INFO,
&alias_handle);
if (!NT_STATUS_IS_OK(status)) {
werr = ntstatus_to_werror(status);
goto done;
}
if (ctx->disable_policy_handle_cache) {
libnetapi_samr_close_domain_handle(ctx, &domain_handle);
}
set_alias:
werr = map_buffer_to_alias_info(ctx, r->in.level, r->in.buffer,
&alias_level, &alias_info);
if (!W_ERROR_IS_OK(werr)) {
goto done;
}
status = dcerpc_samr_SetAliasInfo(b, talloc_tos(),
&alias_handle,
alias_level,
alias_info,
&result);
if (!NT_STATUS_IS_OK(status)) {
werr = ntstatus_to_werror(status);
goto done;
}
if (!NT_STATUS_IS_OK(result)) {
werr = ntstatus_to_werror(result);
goto done;
}
werr = WERR_OK;
done:
if (is_valid_policy_hnd(&alias_handle)) {
dcerpc_samr_Close(b, talloc_tos(), &alias_handle, &result);
}
if (ctx->disable_policy_handle_cache) {
libnetapi_samr_close_domain_handle(ctx, &domain_handle);
libnetapi_samr_close_builtin_handle(ctx, &builtin_handle);
libnetapi_samr_close_connect_handle(ctx, &connect_handle);
}
return werr;
}
/****************************************************************
****************************************************************/
WERROR NetLocalGroupSetInfo_l(struct libnetapi_ctx *ctx,
struct NetLocalGroupSetInfo *r)
{
LIBNETAPI_REDIRECT_TO_LOCALHOST(ctx, r, NetLocalGroupSetInfo);
}
/****************************************************************
****************************************************************/
WERROR NetLocalGroupEnum_r(struct libnetapi_ctx *ctx,
struct NetLocalGroupEnum *r)
{
struct rpc_pipe_client *pipe_cli = NULL;
NTSTATUS status, result;
WERROR werr;
struct policy_handle connect_handle, domain_handle, builtin_handle, alias_handle;
struct dom_sid2 *domain_sid = NULL;
uint32_t entries_read = 0;
union samr_DomainInfo *domain_info = NULL;
union samr_DomainInfo *builtin_info = NULL;
struct samr_SamArray *domain_sam_array = NULL;
struct samr_SamArray *builtin_sam_array = NULL;
int i;
struct dcerpc_binding_handle *b = NULL;
if (!r->out.buffer) {
return WERR_INVALID_PARAM;
}
switch (r->in.level) {
case 0:
case 1:
break;
default:
return WERR_UNKNOWN_LEVEL;
}
if (r->out.total_entries) {
*r->out.total_entries = 0;
}
if (r->out.entries_read) {
*r->out.entries_read = 0;
}
ZERO_STRUCT(connect_handle);
ZERO_STRUCT(builtin_handle);
ZERO_STRUCT(domain_handle);
ZERO_STRUCT(alias_handle);
werr = libnetapi_open_pipe(ctx, r->in.server_name,
&ndr_table_samr,
&pipe_cli);
if (!W_ERROR_IS_OK(werr)) {
goto done;
}
b = pipe_cli->binding_handle;
werr = libnetapi_samr_open_builtin_domain(ctx, pipe_cli,
SAMR_ACCESS_LOOKUP_DOMAIN |
SAMR_ACCESS_ENUM_DOMAINS,
SAMR_DOMAIN_ACCESS_LOOKUP_INFO_2 |
SAMR_DOMAIN_ACCESS_ENUM_ACCOUNTS |
SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT,
&connect_handle,
&builtin_handle);
if (!W_ERROR_IS_OK(werr)) {
goto done;
}
werr = libnetapi_samr_open_domain(ctx, pipe_cli,
SAMR_ACCESS_LOOKUP_DOMAIN |
SAMR_ACCESS_ENUM_DOMAINS,
SAMR_DOMAIN_ACCESS_LOOKUP_INFO_2 |
SAMR_DOMAIN_ACCESS_ENUM_ACCOUNTS |
SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT,
&connect_handle,
&domain_handle,
&domain_sid);
if (!W_ERROR_IS_OK(werr)) {
goto done;
}
status = dcerpc_samr_QueryDomainInfo(b, talloc_tos(),
&builtin_handle,
2,
&builtin_info,
&result);
if (!NT_STATUS_IS_OK(status)) {
werr = ntstatus_to_werror(status);
goto done;
}
if (!NT_STATUS_IS_OK(result)) {
werr = ntstatus_to_werror(result);
goto done;
}
if (r->out.total_entries) {
*r->out.total_entries += builtin_info->general.num_aliases;
}
status = dcerpc_samr_QueryDomainInfo(b, talloc_tos(),
&domain_handle,
2,
&domain_info,
&result);
if (!NT_STATUS_IS_OK(status)) {
werr = ntstatus_to_werror(status);
goto done;
}
if (!NT_STATUS_IS_OK(result)) {
werr = ntstatus_to_werror(result);
goto done;
}
if (r->out.total_entries) {
*r->out.total_entries += domain_info->general.num_aliases;
}
status = dcerpc_samr_EnumDomainAliases(b, talloc_tos(),
&builtin_handle,
r->in.resume_handle,
&builtin_sam_array,
r->in.prefmaxlen,
&entries_read,
&result);
if (!NT_STATUS_IS_OK(status)) {
werr = ntstatus_to_werror(status);
goto done;
}
if (!NT_STATUS_IS_OK(result)) {
werr = ntstatus_to_werror(result);
goto done;
}
for (i=0; i<builtin_sam_array->count; i++) {
union samr_AliasInfo *alias_info = NULL;
if (r->in.level == 1) {
status = libnetapi_samr_open_alias_queryinfo(ctx, pipe_cli,
&builtin_handle,
builtin_sam_array->entries[i].idx,
SAMR_ALIAS_ACCESS_LOOKUP_INFO,
ALIASINFOALL,
&alias_info);
if (!NT_STATUS_IS_OK(status)) {
werr = ntstatus_to_werror(status);
goto done;
}
}
werr = map_alias_info_to_buffer(ctx,
builtin_sam_array->entries[i].name.string,
alias_info ? &alias_info->all : NULL,
r->in.level,
r->out.entries_read,
r->out.buffer);
}
status = dcerpc_samr_EnumDomainAliases(b, talloc_tos(),
&domain_handle,
r->in.resume_handle,
&domain_sam_array,
r->in.prefmaxlen,
&entries_read,
&result);
if (!NT_STATUS_IS_OK(status)) {
werr = ntstatus_to_werror(status);
goto done;
}
if (!NT_STATUS_IS_OK(result)) {
werr = ntstatus_to_werror(result);
goto done;
}
for (i=0; i<domain_sam_array->count; i++) {
union samr_AliasInfo *alias_info = NULL;
if (r->in.level == 1) {
status = libnetapi_samr_open_alias_queryinfo(ctx, pipe_cli,
&domain_handle,
domain_sam_array->entries[i].idx,
SAMR_ALIAS_ACCESS_LOOKUP_INFO,
ALIASINFOALL,
&alias_info);
if (!NT_STATUS_IS_OK(status)) {
werr = ntstatus_to_werror(status);
goto done;
}
}
werr = map_alias_info_to_buffer(ctx,
domain_sam_array->entries[i].name.string,
alias_info ? &alias_info->all : NULL,
r->in.level,
r->out.entries_read,
r->out.buffer);
}
done:
if (ctx->disable_policy_handle_cache) {
libnetapi_samr_close_domain_handle(ctx, &domain_handle);
libnetapi_samr_close_builtin_handle(ctx, &builtin_handle);
libnetapi_samr_close_connect_handle(ctx, &connect_handle);
}
return werr;
}
/****************************************************************
****************************************************************/
WERROR NetLocalGroupEnum_l(struct libnetapi_ctx *ctx,
struct NetLocalGroupEnum *r)
{
LIBNETAPI_REDIRECT_TO_LOCALHOST(ctx, r, NetLocalGroupEnum);
}
/****************************************************************
****************************************************************/
static NTSTATUS libnetapi_lsa_lookup_names3(TALLOC_CTX *mem_ctx,
struct rpc_pipe_client *lsa_pipe,
const char *name,
struct dom_sid *sid)
{
NTSTATUS status, result;
struct policy_handle lsa_handle;
struct dcerpc_binding_handle *b = lsa_pipe->binding_handle;
struct lsa_RefDomainList *domains = NULL;
struct lsa_TransSidArray3 sids;
uint32_t count = 0;
struct lsa_String names;
uint32_t num_names = 1;
if (!sid || !name) {
return NT_STATUS_INVALID_PARAMETER;
}
ZERO_STRUCT(sids);
init_lsa_String(&names, name);
status = rpccli_lsa_open_policy2(lsa_pipe, mem_ctx,
false,
SEC_STD_READ_CONTROL |
LSA_POLICY_VIEW_LOCAL_INFORMATION |
LSA_POLICY_LOOKUP_NAMES,
&lsa_handle);
NT_STATUS_NOT_OK_RETURN(status);
status = dcerpc_lsa_LookupNames3(b, mem_ctx,
&lsa_handle,
num_names,
&names,
&domains,
&sids,
LSA_LOOKUP_NAMES_ALL, /* sure ? */
&count,
0, 0,
&result);
NT_STATUS_NOT_OK_RETURN(status);
NT_STATUS_NOT_OK_RETURN(result);
if (count != 1 || sids.count != 1) {
return NT_STATUS_INVALID_NETWORK_RESPONSE;
}
sid_copy(sid, sids.sids[0].sid);
return NT_STATUS_OK;
}
/****************************************************************
****************************************************************/
static WERROR NetLocalGroupModifyMembers_r(struct libnetapi_ctx *ctx,
struct NetLocalGroupAddMembers *add,
struct NetLocalGroupDelMembers *del,
struct NetLocalGroupSetMembers *set)
{
struct NetLocalGroupAddMembers *r = NULL;
struct rpc_pipe_client *pipe_cli = NULL;
struct rpc_pipe_client *lsa_pipe = NULL;
NTSTATUS status, result;
WERROR werr;
struct lsa_String lsa_account_name;
struct policy_handle connect_handle, domain_handle, builtin_handle, alias_handle;
struct dom_sid2 *domain_sid = NULL;
struct dom_sid *member_sids = NULL;
int i = 0, k = 0;
struct LOCALGROUP_MEMBERS_INFO_0 *info0 = NULL;
struct LOCALGROUP_MEMBERS_INFO_3 *info3 = NULL;
struct dom_sid *add_sids = NULL;
struct dom_sid *del_sids = NULL;
uint32_t num_add_sids = 0;
uint32_t num_del_sids = 0;
struct dcerpc_binding_handle *b = NULL;
if ((!add && !del && !set) || (add && del && set)) {
return WERR_INVALID_PARAM;
}
if (add) {
r = add;
}
if (del) {
r = (struct NetLocalGroupAddMembers *)del;
}
if (set) {
r = (struct NetLocalGroupAddMembers *)set;
}
if (!r->in.group_name) {
return WERR_INVALID_PARAM;
}
switch (r->in.level) {
case 0:
case 3:
break;
default:
return WERR_UNKNOWN_LEVEL;
}
if (r->in.total_entries == 0 || !r->in.buffer) {
return WERR_INVALID_PARAM;
}
ZERO_STRUCT(connect_handle);
ZERO_STRUCT(builtin_handle);
ZERO_STRUCT(domain_handle);
ZERO_STRUCT(alias_handle);
member_sids = talloc_zero_array(ctx, struct dom_sid,
r->in.total_entries);
W_ERROR_HAVE_NO_MEMORY(member_sids);
switch (r->in.level) {
case 0:
info0 = (struct LOCALGROUP_MEMBERS_INFO_0 *)r->in.buffer;
for (i=0; i < r->in.total_entries; i++) {
sid_copy(&member_sids[i], (struct dom_sid *)info0[i].lgrmi0_sid);
}
break;
case 3:
info3 = (struct LOCALGROUP_MEMBERS_INFO_3 *)r->in.buffer;
break;
default:
break;
}
if (r->in.level == 3) {
werr = libnetapi_open_pipe(ctx, r->in.server_name,
&ndr_table_lsarpc,
&lsa_pipe);
if (!W_ERROR_IS_OK(werr)) {
goto done;
}
for (i=0; i < r->in.total_entries; i++) {
status = libnetapi_lsa_lookup_names3(ctx, lsa_pipe,
info3[i].lgrmi3_domainandname,
&member_sids[i]);
if (!NT_STATUS_IS_OK(status)) {
werr = ntstatus_to_werror(status);
goto done;
}
}
TALLOC_FREE(lsa_pipe);
}
werr = libnetapi_open_pipe(ctx, r->in.server_name,
&ndr_table_samr,
&pipe_cli);
if (!W_ERROR_IS_OK(werr)) {
goto done;
}
b = pipe_cli->binding_handle;
werr = libnetapi_samr_open_builtin_domain(ctx, pipe_cli,
SAMR_ACCESS_LOOKUP_DOMAIN |
SAMR_ACCESS_ENUM_DOMAINS,
SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT,
&connect_handle,
&builtin_handle);
if (!W_ERROR_IS_OK(werr)) {
goto done;
}
init_lsa_String(&lsa_account_name, r->in.group_name);
status = libnetapi_samr_lookup_and_open_alias(ctx, pipe_cli,
&builtin_handle,
r->in.group_name,
SAMR_ALIAS_ACCESS_ADD_MEMBER |
SAMR_ALIAS_ACCESS_REMOVE_MEMBER |
SAMR_ALIAS_ACCESS_GET_MEMBERS |
SAMR_ALIAS_ACCESS_LOOKUP_INFO,
&alias_handle);
if (ctx->disable_policy_handle_cache) {
libnetapi_samr_close_builtin_handle(ctx, &builtin_handle);
}
if (NT_STATUS_IS_OK(status)) {
goto modify_membership;
}
werr = libnetapi_samr_open_domain(ctx, pipe_cli,
SAMR_ACCESS_ENUM_DOMAINS |
SAMR_ACCESS_LOOKUP_DOMAIN,
SAMR_DOMAIN_ACCESS_OPEN_ACCOUNT,
&connect_handle,
&domain_handle,
&domain_sid);
if (!W_ERROR_IS_OK(werr)) {
goto done;
}
status = libnetapi_samr_lookup_and_open_alias(ctx, pipe_cli,
&domain_handle,
r->in.group_name,
SAMR_ALIAS_ACCESS_ADD_MEMBER |
SAMR_ALIAS_ACCESS_REMOVE_MEMBER |
SAMR_ALIAS_ACCESS_GET_MEMBERS |
SAMR_ALIAS_ACCESS_LOOKUP_INFO,
&alias_handle);
if (!NT_STATUS_IS_OK(status)) {
werr = ntstatus_to_werror(status);
goto done;
}
if (ctx->disable_policy_handle_cache) {
libnetapi_samr_close_domain_handle(ctx, &domain_handle);
}
modify_membership:
if (add) {
for (i=0; i < r->in.total_entries; i++) {
status = add_sid_to_array_unique(ctx, &member_sids[i],
&add_sids,
&num_add_sids);
if (!NT_STATUS_IS_OK(status)) {
werr = ntstatus_to_werror(status);
goto done;
}
}
}
if (del) {
for (i=0; i < r->in.total_entries; i++) {
status = add_sid_to_array_unique(ctx, &member_sids[i],
&del_sids,
&num_del_sids);
if (!NT_STATUS_IS_OK(status)) {
werr = ntstatus_to_werror(status);
goto done;
}
}
}
if (set) {
struct lsa_SidArray current_sids;
status = dcerpc_samr_GetMembersInAlias(b, talloc_tos(),
&alias_handle,
&current_sids,
&result);
if (!NT_STATUS_IS_OK(status)) {
werr = ntstatus_to_werror(status);
goto done;
}
if (!NT_STATUS_IS_OK(result)) {
werr = ntstatus_to_werror(result);
goto done;
}
/* add list */
for (i=0; i < r->in.total_entries; i++) {
bool already_member = false;
for (k=0; k < current_sids.num_sids; k++) {
if (dom_sid_equal(&member_sids[i],
current_sids.sids[k].sid)) {
already_member = true;
break;
}
}
if (!already_member) {
status = add_sid_to_array_unique(ctx,
&member_sids[i],
&add_sids, &num_add_sids);
if (!NT_STATUS_IS_OK(status)) {
werr = ntstatus_to_werror(status);
goto done;
}
}
}
/* del list */
for (k=0; k < current_sids.num_sids; k++) {
bool keep_member = false;
for (i=0; i < r->in.total_entries; i++) {
if (dom_sid_equal(&member_sids[i],
current_sids.sids[k].sid)) {
keep_member = true;
break;
}
}
if (!keep_member) {
status = add_sid_to_array_unique(ctx,
current_sids.sids[k].sid,
&del_sids, &num_del_sids);
if (!NT_STATUS_IS_OK(status)) {
werr = ntstatus_to_werror(status);
goto done;
}
}
}
}
/* add list */
for (i=0; i < num_add_sids; i++) {
status = dcerpc_samr_AddAliasMember(b, talloc_tos(),
&alias_handle,
&add_sids[i],
&result);
if (!NT_STATUS_IS_OK(status)) {
werr = ntstatus_to_werror(status);
goto done;
}
if (!NT_STATUS_IS_OK(result)) {
werr = ntstatus_to_werror(result);
goto done;
}
}
/* del list */
for (i=0; i < num_del_sids; i++) {
status = dcerpc_samr_DeleteAliasMember(b, talloc_tos(),
&alias_handle,
&del_sids[i],
&result);
if (!NT_STATUS_IS_OK(status)) {
werr = ntstatus_to_werror(status);
goto done;
}
if (!NT_STATUS_IS_OK(result)) {
werr = ntstatus_to_werror(result);
goto done;
}
}
werr = WERR_OK;
done:
if (b && is_valid_policy_hnd(&alias_handle)) {
dcerpc_samr_Close(b, talloc_tos(), &alias_handle, &result);
}
if (ctx->disable_policy_handle_cache) {
libnetapi_samr_close_domain_handle(ctx, &domain_handle);
libnetapi_samr_close_builtin_handle(ctx, &builtin_handle);
libnetapi_samr_close_connect_handle(ctx, &connect_handle);
}
return werr;
}
/****************************************************************
****************************************************************/
WERROR NetLocalGroupAddMembers_r(struct libnetapi_ctx *ctx,
struct NetLocalGroupAddMembers *r)
{
return NetLocalGroupModifyMembers_r(ctx, r, NULL, NULL);
}
/****************************************************************
****************************************************************/
WERROR NetLocalGroupAddMembers_l(struct libnetapi_ctx *ctx,
struct NetLocalGroupAddMembers *r)
{
LIBNETAPI_REDIRECT_TO_LOCALHOST(ctx, r, NetLocalGroupAddMembers);
}
/****************************************************************
****************************************************************/
WERROR NetLocalGroupDelMembers_r(struct libnetapi_ctx *ctx,
struct NetLocalGroupDelMembers *r)
{
return NetLocalGroupModifyMembers_r(ctx, NULL, r, NULL);
}
/****************************************************************
****************************************************************/
WERROR NetLocalGroupDelMembers_l(struct libnetapi_ctx *ctx,
struct NetLocalGroupDelMembers *r)
{
LIBNETAPI_REDIRECT_TO_LOCALHOST(ctx, r, NetLocalGroupDelMembers);
}
/****************************************************************
****************************************************************/
WERROR NetLocalGroupGetMembers_r(struct libnetapi_ctx *ctx,
struct NetLocalGroupGetMembers *r)
{
return WERR_NOT_SUPPORTED;
}
/****************************************************************
****************************************************************/
WERROR NetLocalGroupGetMembers_l(struct libnetapi_ctx *ctx,
struct NetLocalGroupGetMembers *r)
{
LIBNETAPI_REDIRECT_TO_LOCALHOST(ctx, r, NetLocalGroupGetMembers);
}
/****************************************************************
****************************************************************/
WERROR NetLocalGroupSetMembers_r(struct libnetapi_ctx *ctx,
struct NetLocalGroupSetMembers *r)
{
return NetLocalGroupModifyMembers_r(ctx, NULL, NULL, r);
}
/****************************************************************
****************************************************************/
WERROR NetLocalGroupSetMembers_l(struct libnetapi_ctx *ctx,
struct NetLocalGroupSetMembers *r)
{
LIBNETAPI_REDIRECT_TO_LOCALHOST(ctx, r, NetLocalGroupSetMembers);
}