2 Unix SMB/CIFS implementation.
3 NT Domain Authentication SMB / MSRPC client
4 Copyright (C) Andrew Tridgell 1992-2000
5 Copyright (C) Jeremy Allison 1998.
6 Largely re-written by Jeremy Allison (C) 2005.
7 Copyright (C) Guenther Deschner 2008.
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
19 You should have received a copy of the GNU General Public License
20 along with this program. If not, see <http://www.gnu.org/licenses/>.
24 #include "system/filesys.h"
25 #include "libsmb/libsmb.h"
26 #include "rpc_client/rpc_client.h"
27 #include "rpc_client/cli_pipe.h"
28 #include "../libcli/auth/libcli_auth.h"
29 #include "../libcli/auth/netlogon_creds_cli.h"
30 #include "../librpc/gen_ndr/ndr_netlogon_c.h"
31 #include "../librpc/gen_ndr/schannel.h"
32 #include "rpc_client/cli_netlogon.h"
33 #include "rpc_client/init_netlogon.h"
34 #include "rpc_client/util_netlogon.h"
35 #include "../libcli/security/security.h"
36 #include "lib/param/param.h"
37 #include "libcli/smb/smbXcli_base.h"
38 #include "dbwrap/dbwrap.h"
39 #include "dbwrap/dbwrap_open.h"
43 NTSTATUS rpccli_pre_open_netlogon_creds(void)
45 static bool already_open = false;
47 struct loadparm_context *lp_ctx;
49 struct db_context *global_db;
56 frame = talloc_stackframe();
58 lp_ctx = loadparm_init_s3(frame, loadparm_s3_helpers());
61 return NT_STATUS_NO_MEMORY;
64 fname = lpcfg_private_db_path(frame, lp_ctx, "netlogon_creds_cli");
67 return NT_STATUS_NO_MEMORY;
70 global_db = db_open(talloc_autofree_context(), fname,
71 0, TDB_CLEAR_IF_FIRST|TDB_INCOMPATIBLE_HASH,
72 O_RDWR|O_CREAT, 0600, DBWRAP_LOCK_ORDER_2,
74 if (global_db == NULL) {
76 return NT_STATUS_NO_MEMORY;
79 status = netlogon_creds_cli_set_global_db(&global_db);
81 if (!NT_STATUS_IS_OK(status)) {
89 NTSTATUS rpccli_create_netlogon_creds(const char *server_computer,
90 const char *server_netbios_domain,
91 const char *client_account,
92 enum netr_SchannelType sec_chan_type,
93 struct messaging_context *msg_ctx,
95 struct netlogon_creds_cli_context **netlogon_creds)
97 TALLOC_CTX *frame = talloc_stackframe();
98 struct loadparm_context *lp_ctx;
101 status = rpccli_pre_open_netlogon_creds();
102 if (!NT_STATUS_IS_OK(status)) {
107 lp_ctx = loadparm_init_s3(frame, loadparm_s3_helpers());
108 if (lp_ctx == NULL) {
110 return NT_STATUS_NO_MEMORY;
112 status = netlogon_creds_cli_context_global(lp_ctx,
117 server_netbios_domain,
118 mem_ctx, netlogon_creds);
120 if (!NT_STATUS_IS_OK(status)) {
127 NTSTATUS rpccli_setup_netlogon_creds(struct cli_state *cli,
128 struct netlogon_creds_cli_context *netlogon_creds,
130 struct samr_Password current_nt_hash,
131 const struct samr_Password *previous_nt_hash)
133 TALLOC_CTX *frame = talloc_stackframe();
134 struct rpc_pipe_client *netlogon_pipe = NULL;
135 struct netlogon_creds_CredentialState *creds = NULL;
138 status = netlogon_creds_cli_get(netlogon_creds,
140 if (NT_STATUS_IS_OK(status)) {
141 const char *action = "using";
144 action = "overwrite";
147 DEBUG(5,("%s: %s cached netlogon_creds cli[%s/%s] to %s\n",
148 __FUNCTION__, action,
149 creds->account_name, creds->computer_name,
150 smbXcli_conn_remote_name(cli->conn)));
158 status = cli_rpc_pipe_open_noauth(cli,
161 if (!NT_STATUS_IS_OK(status)) {
162 DEBUG(5,("%s: failed to open noauth netlogon connection to %s - %s\n",
164 smbXcli_conn_remote_name(cli->conn),
169 talloc_steal(frame, netlogon_pipe);
171 status = netlogon_creds_cli_auth(netlogon_creds,
172 netlogon_pipe->binding_handle,
175 if (!NT_STATUS_IS_OK(status)) {
180 status = netlogon_creds_cli_get(netlogon_creds,
182 if (!NT_STATUS_IS_OK(status)) {
184 return NT_STATUS_INTERNAL_ERROR;
187 DEBUG(5,("%s: using new netlogon_creds cli[%s/%s] to %s\n",
189 creds->account_name, creds->computer_name,
190 smbXcli_conn_remote_name(cli->conn)));
196 /* Logon domain user */
198 NTSTATUS rpccli_netlogon_password_logon(struct netlogon_creds_cli_context *creds,
199 struct dcerpc_binding_handle *binding_handle,
200 uint32_t logon_parameters,
202 const char *username,
203 const char *password,
204 const char *workstation,
205 enum netr_LogonInfoClass logon_type)
207 TALLOC_CTX *frame = talloc_stackframe();
209 union netr_LogonLevel *logon;
210 uint16_t validation_level = 0;
211 union netr_Validation *validation = NULL;
212 uint8_t authoritative = 0;
214 char *workstation_slash = NULL;
216 logon = talloc_zero(frame, union netr_LogonLevel);
219 return NT_STATUS_NO_MEMORY;
222 if (workstation == NULL) {
223 workstation = lp_netbios_name();
226 workstation_slash = talloc_asprintf(frame, "\\\\%s", workstation);
227 if (workstation_slash == NULL) {
229 return NT_STATUS_NO_MEMORY;
232 /* Initialise input parameters */
234 switch (logon_type) {
235 case NetlogonInteractiveInformation: {
237 struct netr_PasswordInfo *password_info;
239 struct samr_Password lmpassword;
240 struct samr_Password ntpassword;
242 password_info = talloc_zero(frame, struct netr_PasswordInfo);
243 if (password_info == NULL) {
245 return NT_STATUS_NO_MEMORY;
248 nt_lm_owf_gen(password, ntpassword.hash, lmpassword.hash);
250 password_info->identity_info.domain_name.string = domain;
251 password_info->identity_info.parameter_control = logon_parameters;
252 password_info->identity_info.logon_id_low = 0xdead;
253 password_info->identity_info.logon_id_high = 0xbeef;
254 password_info->identity_info.account_name.string = username;
255 password_info->identity_info.workstation.string = workstation_slash;
257 password_info->lmpassword = lmpassword;
258 password_info->ntpassword = ntpassword;
260 logon->password = password_info;
264 case NetlogonNetworkInformation: {
265 struct netr_NetworkInfo *network_info;
267 unsigned char local_lm_response[24];
268 unsigned char local_nt_response[24];
269 struct netr_ChallengeResponse lm;
270 struct netr_ChallengeResponse nt;
275 network_info = talloc_zero(frame, struct netr_NetworkInfo);
276 if (network_info == NULL) {
278 return NT_STATUS_NO_MEMORY;
281 generate_random_buffer(chal, 8);
283 SMBencrypt(password, chal, local_lm_response);
284 SMBNTencrypt(password, chal, local_nt_response);
287 lm.data = local_lm_response;
290 nt.data = local_nt_response;
292 network_info->identity_info.domain_name.string = domain;
293 network_info->identity_info.parameter_control = logon_parameters;
294 network_info->identity_info.logon_id_low = 0xdead;
295 network_info->identity_info.logon_id_high = 0xbeef;
296 network_info->identity_info.account_name.string = username;
297 network_info->identity_info.workstation.string = workstation_slash;
299 memcpy(network_info->challenge, chal, 8);
300 network_info->nt = nt;
301 network_info->lm = lm;
303 logon->network = network_info;
308 DEBUG(0, ("switch value %d not supported\n",
311 return NT_STATUS_INVALID_INFO_CLASS;
314 status = netlogon_creds_cli_LogonSamLogon(creds,
324 if (!NT_STATUS_IS_OK(status)) {
331 static NTSTATUS map_validation_to_info3(TALLOC_CTX *mem_ctx,
332 uint16_t validation_level,
333 union netr_Validation *validation,
334 struct netr_SamInfo3 **info3_p)
336 struct netr_SamInfo3 *info3;
339 if (validation == NULL) {
340 return NT_STATUS_INVALID_PARAMETER;
343 switch (validation_level) {
345 if (validation->sam3 == NULL) {
346 return NT_STATUS_INVALID_PARAMETER;
349 info3 = talloc_move(mem_ctx, &validation->sam3);
352 if (validation->sam6 == NULL) {
353 return NT_STATUS_INVALID_PARAMETER;
356 info3 = talloc_zero(mem_ctx, struct netr_SamInfo3);
358 return NT_STATUS_NO_MEMORY;
360 status = copy_netr_SamBaseInfo(info3, &validation->sam6->base, &info3->base);
361 if (!NT_STATUS_IS_OK(status)) {
366 info3->sidcount = validation->sam6->sidcount;
367 info3->sids = talloc_move(info3, &validation->sam6->sids);
370 return NT_STATUS_BAD_VALIDATION_CLASS;
379 * Logon domain user with an 'network' SAM logon
381 * @param info3 Pointer to a NET_USER_INFO_3 already allocated by the caller.
385 NTSTATUS rpccli_netlogon_network_logon(struct netlogon_creds_cli_context *creds,
386 struct dcerpc_binding_handle *binding_handle,
388 uint32_t logon_parameters,
389 const char *username,
391 const char *workstation,
393 DATA_BLOB lm_response,
394 DATA_BLOB nt_response,
395 uint8_t *authoritative,
397 struct netr_SamInfo3 **info3)
400 const char *workstation_name_slash;
401 union netr_LogonLevel *logon = NULL;
402 struct netr_NetworkInfo *network_info;
403 uint16_t validation_level = 0;
404 union netr_Validation *validation = NULL;
405 uint8_t _authoritative = 0;
407 struct netr_ChallengeResponse lm;
408 struct netr_ChallengeResponse nt;
412 if (authoritative == NULL) {
413 authoritative = &_authoritative;
422 logon = talloc_zero(mem_ctx, union netr_LogonLevel);
424 return NT_STATUS_NO_MEMORY;
427 network_info = talloc_zero(mem_ctx, struct netr_NetworkInfo);
429 return NT_STATUS_NO_MEMORY;
432 if (workstation[0] != '\\' && workstation[1] != '\\') {
433 workstation_name_slash = talloc_asprintf(mem_ctx, "\\\\%s", workstation);
435 workstation_name_slash = workstation;
438 if (!workstation_name_slash) {
439 DEBUG(0, ("talloc_asprintf failed!\n"));
440 return NT_STATUS_NO_MEMORY;
443 /* Initialise input parameters */
445 lm.data = lm_response.data;
446 lm.length = lm_response.length;
447 nt.data = nt_response.data;
448 nt.length = nt_response.length;
450 network_info->identity_info.domain_name.string = domain;
451 network_info->identity_info.parameter_control = logon_parameters;
452 network_info->identity_info.logon_id_low = 0xdead;
453 network_info->identity_info.logon_id_high = 0xbeef;
454 network_info->identity_info.account_name.string = username;
455 network_info->identity_info.workstation.string = workstation_name_slash;
457 memcpy(network_info->challenge, chal, 8);
458 network_info->nt = nt;
459 network_info->lm = lm;
461 logon->network = network_info;
463 /* Marshall data and send request */
465 status = netlogon_creds_cli_LogonSamLogon(creds,
467 NetlogonNetworkInformation,
474 if (!NT_STATUS_IS_OK(status)) {
478 status = map_validation_to_info3(mem_ctx,
479 validation_level, validation,
481 if (!NT_STATUS_IS_OK(status)) {