mirror of
https://github.com/samba-team/samba.git
synced 2024-12-24 21:34:56 +03:00
a07cc9a1c6
Signed-off-by: Stefan Metzmacher <metze@samba.org> Reviewed-by: Andrew Bartlett <abartlet@samba.org>
577 lines
15 KiB
C
577 lines
15 KiB
C
/*
|
|
Unix SMB/CIFS implementation.
|
|
NT Domain Authentication SMB / MSRPC client
|
|
Copyright (C) Andrew Tridgell 1992-2000
|
|
Copyright (C) Jeremy Allison 1998.
|
|
Largely re-written by Jeremy Allison (C) 2005.
|
|
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 "libsmb/libsmb.h"
|
|
#include "rpc_client/rpc_client.h"
|
|
#include "rpc_client/cli_pipe.h"
|
|
#include "../libcli/auth/libcli_auth.h"
|
|
#include "../libcli/auth/netlogon_creds_cli.h"
|
|
#include "../librpc/gen_ndr/ndr_netlogon_c.h"
|
|
#include "../librpc/gen_ndr/schannel.h"
|
|
#include "rpc_client/cli_netlogon.h"
|
|
#include "rpc_client/init_netlogon.h"
|
|
#include "rpc_client/util_netlogon.h"
|
|
#include "../libcli/security/security.h"
|
|
#include "lib/param/param.h"
|
|
#include "libcli/smb/smbXcli_base.h"
|
|
|
|
/****************************************************************************
|
|
Wrapper function that uses the auth and auth2 calls to set up a NETLOGON
|
|
credentials chain. Stores the credentials in the struct dcinfo in the
|
|
netlogon pipe struct.
|
|
****************************************************************************/
|
|
|
|
NTSTATUS rpccli_netlogon_setup_creds(struct rpc_pipe_client *cli,
|
|
const char *server_name,
|
|
const char *domain,
|
|
const char *clnt_name,
|
|
const char *machine_account,
|
|
const unsigned char machine_pwd[16],
|
|
enum netr_SchannelType sec_chan_type,
|
|
uint32_t *neg_flags_inout)
|
|
{
|
|
TALLOC_CTX *frame = talloc_stackframe();
|
|
struct loadparm_context *lp_ctx;
|
|
NTSTATUS status;
|
|
struct samr_Password password;
|
|
fstring mach_acct;
|
|
struct dcerpc_binding_handle *b = cli->binding_handle;
|
|
struct netlogon_creds_CredentialState *creds = NULL;
|
|
|
|
if (!ndr_syntax_id_equal(&cli->abstract_syntax,
|
|
&ndr_table_netlogon.syntax_id)) {
|
|
TALLOC_FREE(frame);
|
|
return NT_STATUS_INVALID_PARAMETER;
|
|
}
|
|
|
|
if (!strequal(lp_netbios_name(), clnt_name)) {
|
|
TALLOC_FREE(frame);
|
|
return NT_STATUS_INVALID_PARAMETER;
|
|
}
|
|
|
|
TALLOC_FREE(cli->netlogon_creds);
|
|
|
|
fstr_sprintf( mach_acct, "%s$", machine_account);
|
|
|
|
lp_ctx = loadparm_init_s3(frame, loadparm_s3_helpers());
|
|
if (lp_ctx == NULL) {
|
|
TALLOC_FREE(frame);
|
|
return NT_STATUS_NO_MEMORY;
|
|
}
|
|
status = netlogon_creds_cli_context_global(lp_ctx,
|
|
NULL, /* msg_ctx */
|
|
mach_acct,
|
|
sec_chan_type,
|
|
server_name,
|
|
domain,
|
|
cli, &cli->netlogon_creds);
|
|
talloc_unlink(frame, lp_ctx);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
TALLOC_FREE(frame);
|
|
return status;
|
|
}
|
|
|
|
status = netlogon_creds_cli_get(cli->netlogon_creds,
|
|
frame, &creds);
|
|
if (NT_STATUS_IS_OK(status)) {
|
|
DEBUG(5,("rpccli_netlogon_setup_creds: server %s using "
|
|
"cached credential\n",
|
|
cli->desthost));
|
|
*neg_flags_inout = creds->negotiate_flags;
|
|
TALLOC_FREE(frame);
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
/* Store the machine account password we're going to use. */
|
|
memcpy(password.hash, machine_pwd, 16);
|
|
|
|
DEBUG(5,("rpccli_netlogon_setup_creds: server %s credential "
|
|
"chain established.\n",
|
|
cli->desthost ));
|
|
|
|
status = netlogon_creds_cli_auth(cli->netlogon_creds, b,
|
|
password, NULL);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
TALLOC_FREE(frame);
|
|
return status;
|
|
}
|
|
|
|
status = netlogon_creds_cli_get(cli->netlogon_creds,
|
|
frame, &creds);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
TALLOC_FREE(frame);
|
|
return NT_STATUS_INTERNAL_ERROR;
|
|
}
|
|
|
|
*neg_flags_inout = creds->negotiate_flags;
|
|
TALLOC_FREE(frame);
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
NTSTATUS rpccli_pre_open_netlogon_creds(void)
|
|
{
|
|
TALLOC_CTX *frame = talloc_stackframe();
|
|
struct loadparm_context *lp_ctx;
|
|
NTSTATUS status;
|
|
|
|
lp_ctx = loadparm_init_s3(frame, loadparm_s3_helpers());
|
|
if (lp_ctx == NULL) {
|
|
TALLOC_FREE(frame);
|
|
return NT_STATUS_NO_MEMORY;
|
|
}
|
|
|
|
status = netlogon_creds_cli_open_global_db(lp_ctx);
|
|
TALLOC_FREE(frame);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
return status;
|
|
}
|
|
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
NTSTATUS rpccli_create_netlogon_creds(const char *server_computer,
|
|
const char *server_netbios_domain,
|
|
const char *client_account,
|
|
enum netr_SchannelType sec_chan_type,
|
|
struct messaging_context *msg_ctx,
|
|
TALLOC_CTX *mem_ctx,
|
|
struct netlogon_creds_cli_context **netlogon_creds)
|
|
{
|
|
TALLOC_CTX *frame = talloc_stackframe();
|
|
struct loadparm_context *lp_ctx;
|
|
NTSTATUS status;
|
|
|
|
lp_ctx = loadparm_init_s3(frame, loadparm_s3_helpers());
|
|
if (lp_ctx == NULL) {
|
|
TALLOC_FREE(frame);
|
|
return NT_STATUS_NO_MEMORY;
|
|
}
|
|
status = netlogon_creds_cli_context_global(lp_ctx,
|
|
msg_ctx,
|
|
client_account,
|
|
sec_chan_type,
|
|
server_computer,
|
|
server_netbios_domain,
|
|
mem_ctx, netlogon_creds);
|
|
TALLOC_FREE(frame);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
return status;
|
|
}
|
|
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
NTSTATUS rpccli_setup_netlogon_creds(struct cli_state *cli,
|
|
struct netlogon_creds_cli_context *netlogon_creds,
|
|
bool force_reauth,
|
|
struct samr_Password current_nt_hash,
|
|
const struct samr_Password *previous_nt_hash)
|
|
{
|
|
TALLOC_CTX *frame = talloc_stackframe();
|
|
struct rpc_pipe_client *netlogon_pipe = NULL;
|
|
struct netlogon_creds_CredentialState *creds = NULL;
|
|
NTSTATUS status;
|
|
|
|
status = netlogon_creds_cli_get(netlogon_creds,
|
|
frame, &creds);
|
|
if (NT_STATUS_IS_OK(status)) {
|
|
const char *action = "using";
|
|
|
|
if (force_reauth) {
|
|
action = "overwrite";
|
|
}
|
|
|
|
DEBUG(5,("%s: %s cached netlogon_creds cli[%s/%s] to %s\n",
|
|
__FUNCTION__, action,
|
|
creds->account_name, creds->computer_name,
|
|
smbXcli_conn_remote_name(cli->conn)));
|
|
if (!force_reauth) {
|
|
TALLOC_FREE(frame);
|
|
return NT_STATUS_OK;
|
|
}
|
|
TALLOC_FREE(creds);
|
|
}
|
|
|
|
status = cli_rpc_pipe_open_noauth(cli,
|
|
&ndr_table_netlogon,
|
|
&netlogon_pipe);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
DEBUG(5,("%s: failed to open noauth netlogon connection to %s - %s\n",
|
|
__FUNCTION__,
|
|
smbXcli_conn_remote_name(cli->conn),
|
|
nt_errstr(status)));
|
|
TALLOC_FREE(frame);
|
|
return status;
|
|
}
|
|
talloc_steal(frame, netlogon_pipe);
|
|
|
|
status = netlogon_creds_cli_auth(netlogon_creds,
|
|
netlogon_pipe->binding_handle,
|
|
current_nt_hash,
|
|
previous_nt_hash);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
TALLOC_FREE(frame);
|
|
return status;
|
|
}
|
|
|
|
status = netlogon_creds_cli_get(netlogon_creds,
|
|
frame, &creds);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
TALLOC_FREE(frame);
|
|
return NT_STATUS_INTERNAL_ERROR;
|
|
}
|
|
|
|
DEBUG(5,("%s: using new netlogon_creds cli[%s/%s] to %s\n",
|
|
__FUNCTION__,
|
|
creds->account_name, creds->computer_name,
|
|
smbXcli_conn_remote_name(cli->conn)));
|
|
|
|
TALLOC_FREE(frame);
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
/* Logon domain user */
|
|
|
|
NTSTATUS rpccli_netlogon_sam_logon(struct rpc_pipe_client *cli,
|
|
TALLOC_CTX *mem_ctx,
|
|
uint32 logon_parameters,
|
|
const char *domain,
|
|
const char *username,
|
|
const char *password,
|
|
const char *workstation,
|
|
uint16_t _ignored_validation_level,
|
|
int logon_type)
|
|
{
|
|
NTSTATUS status;
|
|
union netr_LogonLevel *logon;
|
|
uint16_t validation_level = 0;
|
|
union netr_Validation *validation = NULL;
|
|
uint8_t authoritative = 0;
|
|
uint32_t flags = 0;
|
|
fstring clnt_name_slash;
|
|
|
|
logon = talloc_zero(mem_ctx, union netr_LogonLevel);
|
|
if (!logon) {
|
|
return NT_STATUS_NO_MEMORY;
|
|
}
|
|
|
|
if (workstation) {
|
|
fstr_sprintf( clnt_name_slash, "\\\\%s", workstation );
|
|
} else {
|
|
fstr_sprintf( clnt_name_slash, "\\\\%s", lp_netbios_name() );
|
|
}
|
|
|
|
/* Initialise input parameters */
|
|
|
|
switch (logon_type) {
|
|
case NetlogonInteractiveInformation: {
|
|
|
|
struct netr_PasswordInfo *password_info;
|
|
|
|
struct samr_Password lmpassword;
|
|
struct samr_Password ntpassword;
|
|
|
|
password_info = talloc_zero(mem_ctx, struct netr_PasswordInfo);
|
|
if (!password_info) {
|
|
return NT_STATUS_NO_MEMORY;
|
|
}
|
|
|
|
nt_lm_owf_gen(password, ntpassword.hash, lmpassword.hash);
|
|
|
|
password_info->identity_info.domain_name.string = domain;
|
|
password_info->identity_info.parameter_control = logon_parameters;
|
|
password_info->identity_info.logon_id_low = 0xdead;
|
|
password_info->identity_info.logon_id_high = 0xbeef;
|
|
password_info->identity_info.account_name.string = username;
|
|
password_info->identity_info.workstation.string = clnt_name_slash;
|
|
|
|
password_info->lmpassword = lmpassword;
|
|
password_info->ntpassword = ntpassword;
|
|
|
|
logon->password = password_info;
|
|
|
|
break;
|
|
}
|
|
case NetlogonNetworkInformation: {
|
|
struct netr_NetworkInfo *network_info;
|
|
uint8 chal[8];
|
|
unsigned char local_lm_response[24];
|
|
unsigned char local_nt_response[24];
|
|
struct netr_ChallengeResponse lm;
|
|
struct netr_ChallengeResponse nt;
|
|
|
|
ZERO_STRUCT(lm);
|
|
ZERO_STRUCT(nt);
|
|
|
|
network_info = talloc_zero(mem_ctx, struct netr_NetworkInfo);
|
|
if (!network_info) {
|
|
return NT_STATUS_NO_MEMORY;
|
|
}
|
|
|
|
generate_random_buffer(chal, 8);
|
|
|
|
SMBencrypt(password, chal, local_lm_response);
|
|
SMBNTencrypt(password, chal, local_nt_response);
|
|
|
|
lm.length = 24;
|
|
lm.data = local_lm_response;
|
|
|
|
nt.length = 24;
|
|
nt.data = local_nt_response;
|
|
|
|
network_info->identity_info.domain_name.string = domain;
|
|
network_info->identity_info.parameter_control = logon_parameters;
|
|
network_info->identity_info.logon_id_low = 0xdead;
|
|
network_info->identity_info.logon_id_high = 0xbeef;
|
|
network_info->identity_info.account_name.string = username;
|
|
network_info->identity_info.workstation.string = clnt_name_slash;
|
|
|
|
memcpy(network_info->challenge, chal, 8);
|
|
network_info->nt = nt;
|
|
network_info->lm = lm;
|
|
|
|
logon->network = network_info;
|
|
|
|
break;
|
|
}
|
|
default:
|
|
DEBUG(0, ("switch value %d not supported\n",
|
|
logon_type));
|
|
return NT_STATUS_INVALID_INFO_CLASS;
|
|
}
|
|
|
|
status = netlogon_creds_cli_LogonSamLogon(cli->netlogon_creds,
|
|
cli->binding_handle,
|
|
logon_type,
|
|
logon,
|
|
mem_ctx,
|
|
&validation_level,
|
|
&validation,
|
|
&authoritative,
|
|
&flags);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
return status;
|
|
}
|
|
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
static NTSTATUS map_validation_to_info3(TALLOC_CTX *mem_ctx,
|
|
uint16_t validation_level,
|
|
union netr_Validation *validation,
|
|
struct netr_SamInfo3 **info3_p)
|
|
{
|
|
struct netr_SamInfo3 *info3;
|
|
NTSTATUS status;
|
|
|
|
if (validation == NULL) {
|
|
return NT_STATUS_INVALID_PARAMETER;
|
|
}
|
|
|
|
switch (validation_level) {
|
|
case 3:
|
|
if (validation->sam3 == NULL) {
|
|
return NT_STATUS_INVALID_PARAMETER;
|
|
}
|
|
|
|
info3 = talloc_move(mem_ctx, &validation->sam3);
|
|
break;
|
|
case 6:
|
|
if (validation->sam6 == NULL) {
|
|
return NT_STATUS_INVALID_PARAMETER;
|
|
}
|
|
|
|
info3 = talloc_zero(mem_ctx, struct netr_SamInfo3);
|
|
if (info3 == NULL) {
|
|
return NT_STATUS_NO_MEMORY;
|
|
}
|
|
status = copy_netr_SamBaseInfo(info3, &validation->sam6->base, &info3->base);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
TALLOC_FREE(info3);
|
|
return status;
|
|
}
|
|
|
|
info3->sidcount = validation->sam6->sidcount;
|
|
info3->sids = talloc_move(info3, &validation->sam6->sids);
|
|
break;
|
|
default:
|
|
return NT_STATUS_BAD_VALIDATION_CLASS;
|
|
}
|
|
|
|
*info3_p = info3;
|
|
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
/**
|
|
* Logon domain user with an 'network' SAM logon
|
|
*
|
|
* @param info3 Pointer to a NET_USER_INFO_3 already allocated by the caller.
|
|
**/
|
|
|
|
NTSTATUS rpccli_netlogon_sam_network_logon(struct rpc_pipe_client *cli,
|
|
TALLOC_CTX *mem_ctx,
|
|
uint32 logon_parameters,
|
|
const char *server,
|
|
const char *username,
|
|
const char *domain,
|
|
const char *workstation,
|
|
const uint8 chal[8],
|
|
uint16_t _ignored_validation_level,
|
|
DATA_BLOB lm_response,
|
|
DATA_BLOB nt_response,
|
|
struct netr_SamInfo3 **info3)
|
|
{
|
|
NTSTATUS status;
|
|
const char *workstation_name_slash;
|
|
union netr_LogonLevel *logon = NULL;
|
|
struct netr_NetworkInfo *network_info;
|
|
uint16_t validation_level = 0;
|
|
union netr_Validation *validation = NULL;
|
|
uint8_t authoritative = 0;
|
|
uint32_t flags = 0;
|
|
struct netr_ChallengeResponse lm;
|
|
struct netr_ChallengeResponse nt;
|
|
|
|
*info3 = NULL;
|
|
|
|
ZERO_STRUCT(lm);
|
|
ZERO_STRUCT(nt);
|
|
|
|
logon = talloc_zero(mem_ctx, union netr_LogonLevel);
|
|
if (!logon) {
|
|
return NT_STATUS_NO_MEMORY;
|
|
}
|
|
|
|
network_info = talloc_zero(mem_ctx, struct netr_NetworkInfo);
|
|
if (!network_info) {
|
|
return NT_STATUS_NO_MEMORY;
|
|
}
|
|
|
|
if (workstation[0] != '\\' && workstation[1] != '\\') {
|
|
workstation_name_slash = talloc_asprintf(mem_ctx, "\\\\%s", workstation);
|
|
} else {
|
|
workstation_name_slash = workstation;
|
|
}
|
|
|
|
if (!workstation_name_slash) {
|
|
DEBUG(0, ("talloc_asprintf failed!\n"));
|
|
return NT_STATUS_NO_MEMORY;
|
|
}
|
|
|
|
/* Initialise input parameters */
|
|
|
|
lm.data = lm_response.data;
|
|
lm.length = lm_response.length;
|
|
nt.data = nt_response.data;
|
|
nt.length = nt_response.length;
|
|
|
|
network_info->identity_info.domain_name.string = domain;
|
|
network_info->identity_info.parameter_control = logon_parameters;
|
|
network_info->identity_info.logon_id_low = 0xdead;
|
|
network_info->identity_info.logon_id_high = 0xbeef;
|
|
network_info->identity_info.account_name.string = username;
|
|
network_info->identity_info.workstation.string = workstation_name_slash;
|
|
|
|
memcpy(network_info->challenge, chal, 8);
|
|
network_info->nt = nt;
|
|
network_info->lm = lm;
|
|
|
|
logon->network = network_info;
|
|
|
|
/* Marshall data and send request */
|
|
|
|
status = netlogon_creds_cli_LogonSamLogon(cli->netlogon_creds,
|
|
cli->binding_handle,
|
|
NetlogonNetworkInformation,
|
|
logon,
|
|
mem_ctx,
|
|
&validation_level,
|
|
&validation,
|
|
&authoritative,
|
|
&flags);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
return status;
|
|
}
|
|
|
|
status = map_validation_to_info3(mem_ctx,
|
|
validation_level, validation,
|
|
info3);
|
|
if (!NT_STATUS_IS_OK(status)) {
|
|
return status;
|
|
}
|
|
|
|
return NT_STATUS_OK;
|
|
}
|
|
|
|
/*********************************************************
|
|
Change the domain password on the PDC.
|
|
|
|
Just changes the password betwen the two values specified.
|
|
|
|
Caller must have the cli connected to the netlogon pipe
|
|
already.
|
|
**********************************************************/
|
|
|
|
NTSTATUS rpccli_netlogon_set_trust_password(struct rpc_pipe_client *cli,
|
|
TALLOC_CTX *mem_ctx,
|
|
const char *account_name,
|
|
const unsigned char orig_trust_passwd_hash[16],
|
|
const char *new_trust_pwd_cleartext,
|
|
const unsigned char new_trust_passwd_hash[16],
|
|
enum netr_SchannelType sec_channel_type)
|
|
{
|
|
NTSTATUS result;
|
|
|
|
if (cli->netlogon_creds == NULL) {
|
|
uint32_t neg_flags = NETLOGON_NEG_AUTH2_ADS_FLAGS |
|
|
NETLOGON_NEG_SUPPORTS_AES;
|
|
result = rpccli_netlogon_setup_creds(cli,
|
|
cli->desthost, /* server name */
|
|
lp_workgroup(), /* domain */
|
|
lp_netbios_name(), /* client name */
|
|
account_name, /* machine account name */
|
|
orig_trust_passwd_hash,
|
|
sec_channel_type,
|
|
&neg_flags);
|
|
if (!NT_STATUS_IS_OK(result)) {
|
|
DEBUG(3,("rpccli_netlogon_set_trust_password: unable to setup creds (%s)!\n",
|
|
nt_errstr(result)));
|
|
return result;
|
|
}
|
|
}
|
|
|
|
result = netlogon_creds_cli_ServerPasswordSet(cli->netlogon_creds,
|
|
cli->binding_handle,
|
|
new_trust_pwd_cleartext,
|
|
NULL); /* new_version */
|
|
if (!NT_STATUS_IS_OK(result)) {
|
|
DEBUG(0,("netlogon_creds_cli_ServerPasswordSet failed: %s\n",
|
|
nt_errstr(result)));
|
|
return result;
|
|
}
|
|
|
|
return NT_STATUS_OK;
|
|
}
|
|
|