/*
Unix SMB/CIFS implementation.
RPC pipe client
Copyright (C) Tim Potter 2000-2001,
Copyright (C) Andrew Tridgell 1992-1997,2000,
Copyright (C) Rafal Szczesniak 2002
Copyright (C) Jeremy Allison 2005.
Copyright (C) Michael Adam 2007.
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 .
*/
#include "includes.h"
#include "../librpc/gen_ndr/cli_lsa.h"
#include "rpc_client/cli_lsarpc.h"
#include "rpc_client/init_lsa.h"
#include "../libcli/security/security.h"
/** @defgroup lsa LSA - Local Security Architecture
* @ingroup rpc_client
*
* @{
**/
/**
* @file cli_lsarpc.c
*
* RPC client routines for the LSA RPC pipe. LSA means "local
* security authority", which is half of a password database.
**/
NTSTATUS dcerpc_lsa_open_policy(struct dcerpc_binding_handle *h,
TALLOC_CTX *mem_ctx,
bool sec_qos,
uint32_t des_access,
struct policy_handle *pol,
NTSTATUS *result)
{
struct lsa_ObjectAttribute attr;
struct lsa_QosInfo qos;
uint16_t system_name = '\\';
ZERO_STRUCT(attr);
attr.len = 0x18;
if (sec_qos) {
qos.len = 0xc;
qos.impersonation_level = 2;
qos.context_mode = 1;
qos.effective_only = 0;
attr.sec_qos = &qos;
}
return dcerpc_lsa_OpenPolicy(h,
mem_ctx,
&system_name,
&attr,
des_access,
pol,
result);
}
/** Open a LSA policy handle
*
* @param cli Handle on an initialised SMB connection */
NTSTATUS rpccli_lsa_open_policy(struct rpc_pipe_client *cli,
TALLOC_CTX *mem_ctx,
bool sec_qos, uint32 des_access,
struct policy_handle *pol)
{
NTSTATUS status;
NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
status = dcerpc_lsa_open_policy(cli->binding_handle,
mem_ctx,
sec_qos,
des_access,
pol,
&result);
if (!NT_STATUS_IS_OK(status)) {
return status;
}
return result;
}
NTSTATUS dcerpc_lsa_open_policy2(struct dcerpc_binding_handle *h,
TALLOC_CTX *mem_ctx,
const char *srv_name_slash,
bool sec_qos,
uint32_t des_access,
struct policy_handle *pol,
NTSTATUS *result)
{
struct lsa_ObjectAttribute attr;
struct lsa_QosInfo qos;
ZERO_STRUCT(attr);
attr.len = 0x18;
if (sec_qos) {
qos.len = 0xc;
qos.impersonation_level = 2;
qos.context_mode = 1;
qos.effective_only = 0;
attr.sec_qos = &qos;
}
return dcerpc_lsa_OpenPolicy2(h,
mem_ctx,
srv_name_slash,
&attr,
des_access,
pol,
result);
}
/** Open a LSA policy handle
*
* @param cli Handle on an initialised SMB connection
*/
NTSTATUS rpccli_lsa_open_policy2(struct rpc_pipe_client *cli,
TALLOC_CTX *mem_ctx, bool sec_qos,
uint32 des_access, struct policy_handle *pol)
{
NTSTATUS status;
NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
status = dcerpc_lsa_open_policy(cli->binding_handle,
mem_ctx,
sec_qos,
des_access,
pol,
&result);
if (!NT_STATUS_IS_OK(status)) {
return status;
}
return result;
}
/* Lookup a list of sids
*
* internal version withOUT memory allocation of the target arrays.
* this assumes suffciently sized arrays to store domains, names and types. */
static NTSTATUS dcerpc_lsa_lookup_sids_noalloc(struct dcerpc_binding_handle *h,
TALLOC_CTX *mem_ctx,
struct policy_handle *pol,
int num_sids,
const struct dom_sid *sids,
char **domains,
char **names,
enum lsa_SidType *types,
bool use_lookupsids3,
NTSTATUS *presult)
{
NTSTATUS status = NT_STATUS_OK;
NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
struct lsa_SidArray sid_array;
struct lsa_RefDomainList *ref_domains = NULL;
struct lsa_TransNameArray lsa_names;
enum lsa_LookupNamesLevel level = LSA_LOOKUP_NAMES_ALL;
uint32_t count = 0;
int i;
ZERO_STRUCT(lsa_names);
sid_array.num_sids = num_sids;
sid_array.sids = TALLOC_ARRAY(mem_ctx, struct lsa_SidPtr, num_sids);
if (sid_array.sids == NULL) {
return NT_STATUS_NO_MEMORY;
}
for (i = 0; idomains[dom_idx].name.string;
name = lsa_names.names[i].name.string;
if (name) {
(names)[i] = talloc_strdup(names, name);
if ((names)[i] == NULL) {
DEBUG(0, ("cli_lsa_lookup_sids_noalloc(): out of memory\n"));
*presult = NT_STATUS_UNSUCCESSFUL;
return status;
}
} else {
(names)[i] = NULL;
}
domains[i] = talloc_strdup(domains,
dom_name ? dom_name : "");
(types)[i] = lsa_names.names[i].sid_type;
if (((domains)[i] == NULL)) {
DEBUG(0, ("cli_lsa_lookup_sids_noalloc(): out of memory\n"));
*presult = NT_STATUS_UNSUCCESSFUL;
return status;
}
} else {
(names)[i] = NULL;
(domains)[i] = NULL;
(types)[i] = SID_NAME_UNKNOWN;
}
}
*presult = NT_STATUS_OK;
return status;
}
/* Lookup a list of sids
*
* do it the right way: there is a limit (of 20480 for w2k3) entries
* returned by this call. when the sids list contains more entries,
* empty lists are returned. This version of lsa_lookup_sids passes
* the list of sids in hunks of LOOKUP_SIDS_HUNK_SIZE to the lsa call. */
/* This constant defines the limit of how many sids to look up
* in one call (maximum). the limit from the server side is
* at 20480 for win2k3, but we keep it at a save 1000 for now. */
#define LOOKUP_SIDS_HUNK_SIZE 1000
static NTSTATUS dcerpc_lsa_lookup_sids_generic(struct dcerpc_binding_handle *h,
TALLOC_CTX *mem_ctx,
struct policy_handle *pol,
int num_sids,
const struct dom_sid *sids,
char ***pdomains,
char ***pnames,
enum lsa_SidType **ptypes,
bool use_lookupsids3,
NTSTATUS *presult)
{
NTSTATUS status;
NTSTATUS result = NT_STATUS_OK;
int sids_left = 0;
int sids_processed = 0;
const struct dom_sid *hunk_sids = sids;
char **hunk_domains;
char **hunk_names;
enum lsa_SidType *hunk_types;
char **domains = NULL;
char **names = NULL;
enum lsa_SidType *types = NULL;
bool have_mapped = false;
bool have_unmapped = false;
if (num_sids) {
if (!(domains = TALLOC_ARRAY(mem_ctx, char *, num_sids))) {
DEBUG(0, ("rpccli_lsa_lookup_sids(): out of memory\n"));
result = NT_STATUS_NO_MEMORY;
goto fail;
}
if (!(names = TALLOC_ARRAY(mem_ctx, char *, num_sids))) {
DEBUG(0, ("rpccli_lsa_lookup_sids(): out of memory\n"));
result = NT_STATUS_NO_MEMORY;
goto fail;
}
if (!(types = TALLOC_ARRAY(mem_ctx, enum lsa_SidType, num_sids))) {
DEBUG(0, ("rpccli_lsa_lookup_sids(): out of memory\n"));
result = NT_STATUS_NO_MEMORY;
goto fail;
}
}
sids_left = num_sids;
hunk_domains = domains;
hunk_names = names;
hunk_types = types;
while (sids_left > 0) {
int hunk_num_sids;
NTSTATUS hunk_result;
hunk_num_sids = ((sids_left > LOOKUP_SIDS_HUNK_SIZE)
? LOOKUP_SIDS_HUNK_SIZE
: sids_left);
DEBUG(10, ("rpccli_lsa_lookup_sids: processing items "
"%d -- %d of %d.\n",
sids_processed,
sids_processed + hunk_num_sids - 1,
num_sids));
status = dcerpc_lsa_lookup_sids_noalloc(h,
mem_ctx,
pol,
hunk_num_sids,
hunk_sids,
hunk_domains,
hunk_names,
hunk_types,
use_lookupsids3,
&hunk_result);
if (!NT_STATUS_IS_OK(status)) {
goto fail;
}
if (!NT_STATUS_IS_OK(hunk_result) &&
!NT_STATUS_EQUAL(hunk_result, STATUS_SOME_UNMAPPED) &&
!NT_STATUS_EQUAL(hunk_result, NT_STATUS_NONE_MAPPED))
{
/* An actual error occured */
*presult = hunk_result;
goto fail;
}
if (NT_STATUS_IS_OK(hunk_result)) {
have_mapped = true;
}
if (NT_STATUS_EQUAL(hunk_result, NT_STATUS_NONE_MAPPED)) {
have_unmapped = true;
}
if (NT_STATUS_EQUAL(hunk_result, STATUS_SOME_UNMAPPED)) {
int i;
for (i=0; ibinding_handle,
mem_ctx,
pol,
num_sids,
sids,
pdomains,
pnames,
ptypes,
false,
&result);
if (!NT_STATUS_IS_OK(status)) {
return status;
}
return result;
}
NTSTATUS dcerpc_lsa_lookup_sids3(struct dcerpc_binding_handle *h,
TALLOC_CTX *mem_ctx,
struct policy_handle *pol,
int num_sids,
const struct dom_sid *sids,
char ***pdomains,
char ***pnames,
enum lsa_SidType **ptypes,
NTSTATUS *result)
{
return dcerpc_lsa_lookup_sids_generic(h,
mem_ctx,
pol,
num_sids,
sids,
pdomains,
pnames,
ptypes,
true,
result);
}
NTSTATUS rpccli_lsa_lookup_sids3(struct rpc_pipe_client *cli,
TALLOC_CTX *mem_ctx,
struct policy_handle *pol,
int num_sids,
const struct dom_sid *sids,
char ***pdomains,
char ***pnames,
enum lsa_SidType **ptypes)
{
NTSTATUS status;
NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
status = dcerpc_lsa_lookup_sids_generic(cli->binding_handle,
mem_ctx,
pol,
num_sids,
sids,
pdomains,
pnames,
ptypes,
true,
&result);
if (!NT_STATUS_IS_OK(status)) {
return status;
}
return result;
}
/** Lookup a list of names */
static NTSTATUS dcerpc_lsa_lookup_names_generic(struct dcerpc_binding_handle *h,
TALLOC_CTX *mem_ctx,
struct policy_handle *pol,
uint32_t num_names,
const char **names,
const char ***dom_names,
enum lsa_LookupNamesLevel level,
struct dom_sid **sids,
enum lsa_SidType **types,
bool use_lookupnames4,
NTSTATUS *presult)
{
NTSTATUS status;
struct lsa_String *lsa_names = NULL;
struct lsa_RefDomainList *domains = NULL;
struct lsa_TransSidArray sid_array;
struct lsa_TransSidArray3 sid_array3;
uint32_t count = 0;
uint32_t i;
ZERO_STRUCT(sid_array);
ZERO_STRUCT(sid_array3);
lsa_names = TALLOC_ARRAY(mem_ctx, struct lsa_String, num_names);
if (lsa_names == NULL) {
return NT_STATUS_NO_MEMORY;
}
for (i = 0; i < num_names; i++) {
init_lsa_String(&lsa_names[i], names[i]);
}
if (use_lookupnames4) {
status = dcerpc_lsa_LookupNames4(h,
mem_ctx,
num_names,
lsa_names,
&domains,
&sid_array3,
level,
&count,
LSA_LOOKUP_OPTION_SEARCH_ISOLATED_NAMES,
0,
presult);
} else {
status = dcerpc_lsa_LookupNames(h,
mem_ctx,
pol,
num_names,
lsa_names,
&domains,
&sid_array,
level,
&count,
presult);
}
if (!NT_STATUS_IS_OK(status)) {
goto done;
}
if (!NT_STATUS_IS_OK(*presult) &&
!NT_STATUS_EQUAL(*presult, STATUS_SOME_UNMAPPED)) {
/* An actual error occured */
goto done;
}
/* Return output parameters */
if (count == 0) {
*presult = NT_STATUS_NONE_MAPPED;
goto done;
}
if (num_names) {
if (!((*sids = TALLOC_ARRAY(mem_ctx, struct dom_sid, num_names)))) {
DEBUG(0, ("cli_lsa_lookup_sids(): out of memory\n"));
*presult = NT_STATUS_NO_MEMORY;
goto done;
}
if (!((*types = TALLOC_ARRAY(mem_ctx, enum lsa_SidType, num_names)))) {
DEBUG(0, ("cli_lsa_lookup_sids(): out of memory\n"));
*presult = NT_STATUS_NO_MEMORY;
goto done;
}
if (dom_names != NULL) {
*dom_names = TALLOC_ARRAY(mem_ctx, const char *, num_names);
if (*dom_names == NULL) {
DEBUG(0, ("cli_lsa_lookup_sids(): out of memory\n"));
*presult = NT_STATUS_NO_MEMORY;
goto done;
}
}
} else {
*sids = NULL;
*types = NULL;
if (dom_names != NULL) {
*dom_names = NULL;
}
}
for (i = 0; i < num_names; i++) {
uint32_t dom_idx;
struct dom_sid *sid = &(*sids)[i];
if (use_lookupnames4) {
dom_idx = sid_array3.sids[i].sid_index;
(*types)[i] = sid_array3.sids[i].sid_type;
} else {
dom_idx = sid_array.sids[i].sid_index;
(*types)[i] = sid_array.sids[i].sid_type;
}
/* Translate optimised sid through domain index array */
if (dom_idx == 0xffffffff) {
/* Nothing to do, this is unknown */
ZERO_STRUCTP(sid);
(*types)[i] = SID_NAME_UNKNOWN;
continue;
}
if (use_lookupnames4) {
sid_copy(sid, sid_array3.sids[i].sid);
} else {
sid_copy(sid, domains->domains[dom_idx].sid);
if (sid_array.sids[i].rid != 0xffffffff) {
sid_append_rid(sid, sid_array.sids[i].rid);
}
}
if (dom_names == NULL) {
continue;
}
(*dom_names)[i] = domains->domains[dom_idx].name.string;
}
done:
return status;
}
NTSTATUS dcerpc_lsa_lookup_names(struct dcerpc_binding_handle *h,
TALLOC_CTX *mem_ctx,
struct policy_handle *pol,
uint32_t num_names,
const char **names,
const char ***dom_names,
enum lsa_LookupNamesLevel level,
struct dom_sid **sids,
enum lsa_SidType **types,
NTSTATUS *result)
{
return dcerpc_lsa_lookup_names_generic(h,
mem_ctx,
pol,
num_names,
names,
dom_names,
level,
sids,
types,
false,
result);
}
NTSTATUS rpccli_lsa_lookup_names(struct rpc_pipe_client *cli,
TALLOC_CTX *mem_ctx,
struct policy_handle *pol,
int num_names,
const char **names,
const char ***dom_names,
int level,
struct dom_sid **sids,
enum lsa_SidType **types)
{
NTSTATUS status;
NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
status = dcerpc_lsa_lookup_names(cli->binding_handle,
mem_ctx,
pol,
num_names,
names,
dom_names,
level,
sids,
types,
&result);
if (!NT_STATUS_IS_OK(status)) {
return status;
}
return result;
}
NTSTATUS dcerpc_lsa_lookup_names4(struct dcerpc_binding_handle *h,
TALLOC_CTX *mem_ctx,
struct policy_handle *pol,
uint32_t num_names,
const char **names,
const char ***dom_names,
enum lsa_LookupNamesLevel level,
struct dom_sid **sids,
enum lsa_SidType **types,
NTSTATUS *result)
{
return dcerpc_lsa_lookup_names_generic(h,
mem_ctx,
pol,
num_names,
names,
dom_names,
level,
sids,
types,
true,
result);
}
NTSTATUS rpccli_lsa_lookup_names4(struct rpc_pipe_client *cli,
TALLOC_CTX *mem_ctx,
struct policy_handle *pol,
int num_names,
const char **names,
const char ***dom_names,
int level,
struct dom_sid **sids,
enum lsa_SidType **types)
{
NTSTATUS status;
NTSTATUS result = NT_STATUS_UNSUCCESSFUL;
status = dcerpc_lsa_lookup_names4(cli->binding_handle,
mem_ctx,
pol,
num_names,
names,
dom_names,
level,
sids,
types,
&result);
if (!NT_STATUS_IS_OK(status)) {
return status;
}
return result;
}