2 * Unix SMB/CIFS implementation.
3 * Helper routines for net
4 * Copyright (C) Volker Lendecke 2006
5 * Copyright (C) Kai Blin 2008
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, see <http://www.gnu.org/licenses/>.
23 #include "utils/net.h"
24 #include "libsmb/namequery.h"
25 #include "rpc_client/cli_pipe.h"
26 #include "../librpc/gen_ndr/ndr_lsa_c.h"
27 #include "rpc_client/cli_lsarpc.h"
28 #include "../librpc/gen_ndr/ndr_dssetup_c.h"
30 #include "../libcli/security/security.h"
31 #include "libsmb/libsmb.h"
33 NTSTATUS
net_rpc_lookup_name(struct net_context
*c
,
34 TALLOC_CTX
*mem_ctx
, struct cli_state
*cli
,
35 const char *name
, const char **ret_domain
,
36 const char **ret_name
, struct dom_sid
*ret_sid
,
37 enum lsa_SidType
*ret_type
)
39 struct rpc_pipe_client
*lsa_pipe
= NULL
;
40 struct policy_handle pol
;
41 NTSTATUS status
, result
;
42 const char **dom_names
;
44 enum lsa_SidType
*types
;
45 struct dcerpc_binding_handle
*b
;
49 status
= cli_rpc_pipe_open_noauth(cli
, &ndr_table_lsarpc
,
51 if (!NT_STATUS_IS_OK(status
)) {
52 d_fprintf(stderr
, _("Could not initialise lsa pipe\n"));
56 b
= lsa_pipe
->binding_handle
;
58 status
= rpccli_lsa_open_policy(lsa_pipe
, mem_ctx
, false,
59 SEC_FLAG_MAXIMUM_ALLOWED
,
61 if (!NT_STATUS_IS_OK(status
)) {
62 d_fprintf(stderr
, "open_policy %s: %s\n", _("failed"),
67 status
= rpccli_lsa_lookup_names(lsa_pipe
, mem_ctx
, &pol
, 1,
68 &name
, &dom_names
, 1, &sids
, &types
);
70 if (!NT_STATUS_IS_OK(status
)) {
71 /* This can happen easily, don't log an error */
75 if (ret_domain
!= NULL
) {
76 *ret_domain
= dom_names
[0];
78 if (ret_name
!= NULL
) {
79 *ret_name
= talloc_strdup(mem_ctx
, name
);
81 if (ret_sid
!= NULL
) {
82 sid_copy(ret_sid
, &sids
[0]);
84 if (ret_type
!= NULL
) {
89 if (is_valid_policy_hnd(&pol
)) {
90 dcerpc_lsa_Close(b
, mem_ctx
, &pol
, &result
);
92 TALLOC_FREE(lsa_pipe
);
97 /****************************************************************************
98 Connect to \\server\service.
99 ****************************************************************************/
101 NTSTATUS
connect_to_service(struct net_context
*c
,
102 struct cli_state
**cli_ctx
,
103 const struct sockaddr_storage
*server_ss
,
104 const char *server_name
,
105 const char *service_name
,
106 const char *service_type
)
110 enum smb_signing_setting signing_setting
= SMB_SIGNING_DEFAULT
;
112 c
->opt_password
= net_prompt_pass(c
, c
->opt_user_name
);
114 if (c
->opt_kerberos
) {
115 flags
|= CLI_FULL_CONNECTION_USE_KERBEROS
;
118 if (c
->opt_kerberos
&& c
->opt_password
) {
119 flags
|= CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS
;
123 flags
|= CLI_FULL_CONNECTION_USE_CCACHE
;
126 if (strequal(service_type
, "IPC")) {
127 signing_setting
= SMB_SIGNING_IPC_DEFAULT
;
130 nt_status
= cli_full_connection(cli_ctx
, NULL
, server_name
,
131 server_ss
, c
->opt_port
,
132 service_name
, service_type
,
133 c
->opt_user_name
, c
->opt_workgroup
,
134 c
->opt_password
, flags
,
136 if (!NT_STATUS_IS_OK(nt_status
)) {
137 d_fprintf(stderr
, _("Could not connect to server %s\n"),
140 /* Display a nicer message depending on the result */
142 if (NT_STATUS_V(nt_status
) ==
143 NT_STATUS_V(NT_STATUS_LOGON_FAILURE
))
145 _("The username or password was not "
148 if (NT_STATUS_V(nt_status
) ==
149 NT_STATUS_V(NT_STATUS_ACCOUNT_LOCKED_OUT
))
150 d_fprintf(stderr
, _("The account was locked out.\n"));
152 if (NT_STATUS_V(nt_status
) ==
153 NT_STATUS_V(NT_STATUS_ACCOUNT_DISABLED
))
154 d_fprintf(stderr
, _("The account was disabled.\n"));
158 if (c
->smb_encrypt
) {
159 nt_status
= cli_cm_force_encryption(*cli_ctx
,
164 if (!NT_STATUS_IS_OK(nt_status
)) {
165 cli_shutdown(*cli_ctx
);
173 /****************************************************************************
174 Connect to \\server\ipc$.
175 ****************************************************************************/
177 NTSTATUS
connect_to_ipc(struct net_context
*c
,
178 struct cli_state
**cli_ctx
,
179 const struct sockaddr_storage
*server_ss
,
180 const char *server_name
)
182 return connect_to_service(c
, cli_ctx
, server_ss
, server_name
, "IPC$",
186 /****************************************************************************
187 Connect to \\server\ipc$ anonymously.
188 ****************************************************************************/
190 NTSTATUS
connect_to_ipc_anonymous(struct net_context
*c
,
191 struct cli_state
**cli_ctx
,
192 const struct sockaddr_storage
*server_ss
,
193 const char *server_name
)
197 nt_status
= cli_full_connection(cli_ctx
, c
->opt_requester_name
,
198 server_name
, server_ss
, c
->opt_port
,
201 "", 0, SMB_SIGNING_DEFAULT
);
203 if (NT_STATUS_IS_OK(nt_status
)) {
206 DEBUG(1,("Cannot connect to server (anonymously). Error was %s\n", nt_errstr(nt_status
)));
212 * Connect a server and open a given pipe
214 * @param cli_dst A cli_state
215 * @param pipe The pipe to open
216 * @param got_pipe boolean that stores if we got a pipe
218 * @return Normal NTSTATUS return.
220 NTSTATUS
connect_dst_pipe(struct net_context
*c
, struct cli_state
**cli_dst
,
221 struct rpc_pipe_client
**pp_pipe_hnd
,
222 const struct ndr_interface_table
*table
)
225 char *server_name
= SMB_STRDUP("127.0.0.1");
226 struct cli_state
*cli_tmp
= NULL
;
227 struct rpc_pipe_client
*pipe_hnd
= NULL
;
229 if (server_name
== NULL
) {
230 return NT_STATUS_NO_MEMORY
;
233 if (c
->opt_destination
) {
234 SAFE_FREE(server_name
);
235 if ((server_name
= SMB_STRDUP(c
->opt_destination
)) == NULL
) {
236 return NT_STATUS_NO_MEMORY
;
240 /* make a connection to a named pipe */
241 nt_status
= connect_to_ipc(c
, &cli_tmp
, NULL
, server_name
);
242 if (!NT_STATUS_IS_OK(nt_status
)) {
243 SAFE_FREE(server_name
);
247 nt_status
= cli_rpc_pipe_open_noauth(cli_tmp
, table
,
249 if (!NT_STATUS_IS_OK(nt_status
)) {
250 DEBUG(0, ("couldn't not initialize pipe\n"));
251 cli_shutdown(cli_tmp
);
252 SAFE_FREE(server_name
);
257 *pp_pipe_hnd
= pipe_hnd
;
258 SAFE_FREE(server_name
);
263 /****************************************************************************
264 Use the local machine account (krb) and password for this session.
265 ****************************************************************************/
267 int net_use_krb_machine_account(struct net_context
*c
)
269 char *user_name
= NULL
;
271 if (!secrets_init()) {
272 d_fprintf(stderr
,_("ERROR: Unable to open secrets database\n"));
276 c
->opt_password
= secrets_fetch_machine_password(
277 c
->opt_target_workgroup
, NULL
, NULL
);
278 if (asprintf(&user_name
, "%s$@%s", lp_netbios_name(), lp_realm()) == -1) {
281 c
->opt_user_name
= user_name
;
285 /****************************************************************************
286 Use the machine account name and password for this session.
287 ****************************************************************************/
289 int net_use_machine_account(struct net_context
*c
)
291 char *user_name
= NULL
;
293 if (!secrets_init()) {
294 d_fprintf(stderr
,_("ERROR: Unable to open secrets database\n"));
298 c
->opt_password
= secrets_fetch_machine_password(
299 c
->opt_target_workgroup
, NULL
, NULL
);
300 if (asprintf(&user_name
, "%s$", lp_netbios_name()) == -1) {
303 c
->opt_user_name
= user_name
;
307 bool net_find_server(struct net_context
*c
,
310 struct sockaddr_storage
*server_ss
,
313 const char *d
= domain
? domain
: c
->opt_target_workgroup
;
316 *server_name
= SMB_STRDUP(c
->opt_host
);
319 if (c
->opt_have_ip
) {
320 *server_ss
= c
->opt_dest_ip
;
322 char addr
[INET6_ADDRSTRLEN
];
323 print_sockaddr(addr
, sizeof(addr
), &c
->opt_dest_ip
);
324 *server_name
= SMB_STRDUP(addr
);
326 } else if (*server_name
) {
327 /* resolve the IP address */
328 if (!resolve_name(*server_name
, server_ss
, 0x20, false)) {
329 DEBUG(1,("Unable to resolve server name\n"));
332 } else if (flags
& NET_FLAGS_PDC
) {
334 struct sockaddr_storage pdc_ss
;
336 if (!get_pdc_ip(d
, &pdc_ss
)) {
337 DEBUG(1,("Unable to resolve PDC server address\n"));
341 if (is_zero_addr(&pdc_ss
)) {
345 if (!name_status_find(d
, 0x1b, 0x20, &pdc_ss
, dc_name
)) {
349 *server_name
= SMB_STRDUP(dc_name
);
351 } else if (flags
& NET_FLAGS_DMB
) {
352 struct sockaddr_storage msbrow_ss
;
353 char addr
[INET6_ADDRSTRLEN
];
355 /* if (!resolve_name(MSBROWSE, &msbrow_ip, 1, false)) */
356 if (!resolve_name(d
, &msbrow_ss
, 0x1B, false)) {
357 DEBUG(1,("Unable to resolve domain browser via name lookup\n"));
360 *server_ss
= msbrow_ss
;
361 print_sockaddr(addr
, sizeof(addr
), server_ss
);
362 *server_name
= SMB_STRDUP(addr
);
363 } else if (flags
& NET_FLAGS_MASTER
) {
364 struct sockaddr_storage brow_ss
;
365 char addr
[INET6_ADDRSTRLEN
];
366 if (!resolve_name(d
, &brow_ss
, 0x1D, false)) {
367 /* go looking for workgroups */
368 DEBUG(1,("Unable to resolve master browser via name lookup\n"));
371 *server_ss
= brow_ss
;
372 print_sockaddr(addr
, sizeof(addr
), server_ss
);
373 *server_name
= SMB_STRDUP(addr
);
374 } else if (!(flags
& NET_FLAGS_LOCALHOST_DEFAULT_INSANE
)) {
375 if (!interpret_string_addr(server_ss
,
376 "127.0.0.1", AI_NUMERICHOST
)) {
377 DEBUG(1,("Unable to resolve 127.0.0.1\n"));
380 *server_name
= SMB_STRDUP("127.0.0.1");
384 DEBUG(1,("no server to connect to\n"));
391 bool net_find_pdc(struct sockaddr_storage
*server_ss
,
393 const char *domain_name
)
395 if (!get_pdc_ip(domain_name
, server_ss
)) {
398 if (is_zero_addr(server_ss
)) {
402 if (!name_status_find(domain_name
, 0x1b, 0x20, server_ss
, server_name
)) {
409 NTSTATUS
net_make_ipc_connection(struct net_context
*c
, unsigned flags
,
410 struct cli_state
**pcli
)
412 return net_make_ipc_connection_ex(c
, c
->opt_workgroup
, NULL
, NULL
, flags
, pcli
);
415 NTSTATUS
net_make_ipc_connection_ex(struct net_context
*c
,const char *domain
,
417 const struct sockaddr_storage
*pss
,
418 unsigned flags
, struct cli_state
**pcli
)
420 char *server_name
= NULL
;
421 struct sockaddr_storage server_ss
;
422 struct cli_state
*cli
= NULL
;
425 if ( !server
|| !pss
) {
426 if (!net_find_server(c
, domain
, flags
, &server_ss
,
428 d_fprintf(stderr
, _("Unable to find a suitable server "
429 "for domain %s\n"), domain
);
430 nt_status
= NT_STATUS_UNSUCCESSFUL
;
434 server_name
= SMB_STRDUP( server
);
438 if (flags
& NET_FLAGS_ANONYMOUS
) {
439 nt_status
= connect_to_ipc_anonymous(c
, &cli
, &server_ss
,
442 nt_status
= connect_to_ipc(c
, &cli
, &server_ss
,
446 /* store the server in the affinity cache if it was a PDC */
448 if ( (flags
& NET_FLAGS_PDC
) && NT_STATUS_IS_OK(nt_status
) )
449 saf_store(cli
->server_domain
, server_name
);
451 SAFE_FREE(server_name
);
452 if (!NT_STATUS_IS_OK(nt_status
)) {
453 d_fprintf(stderr
, _("Connection failed: %s\n"),
454 nt_errstr(nt_status
));
456 } else if (c
->opt_request_timeout
) {
457 cli_set_timeout(cli
, c
->opt_request_timeout
* 1000);
467 /****************************************************************************
468 ****************************************************************************/
470 const char *net_prompt_pass(struct net_context
*c
, const char *user
)
476 if (c
->opt_password
) {
477 return c
->opt_password
;
480 if (c
->opt_machine_pass
) {
484 if (c
->opt_kerberos
&& !c
->opt_user_specified
) {
488 if (asprintf(&prompt
, _("Enter %s's password:"), user
) == -1) {
492 rc
= samba_getpass(prompt
, pwd
, sizeof(pwd
), false, false);
498 return SMB_STRDUP(pwd
);
501 int net_run_function(struct net_context
*c
, int argc
, const char **argv
,
502 const char *whoami
, struct functable
*table
)
507 for (i
=0; table
[i
].funcname
!= NULL
; i
++) {
508 if (strcasecmp_m(argv
[0], table
[i
].funcname
) == 0)
509 return table
[i
].fn(c
, argc
-1, argv
+1);
513 if (c
->display_usage
== false) {
514 d_fprintf(stderr
, _("Invalid command: %s %s\n"), whoami
,
515 (argc
> 0)?argv
[0]:"");
517 d_printf(_("Usage:\n"));
518 for (i
=0; table
[i
].funcname
!= NULL
; i
++) {
519 if(c
->display_usage
== false)
520 d_printf("%s %-15s %s\n", whoami
, table
[i
].funcname
,
521 _(table
[i
].description
));
523 d_printf("%s\n", _(table
[i
].usage
));
526 return c
->display_usage
?0:-1;
529 void net_display_usage_from_functable(struct functable
*table
)
532 for (i
=0; table
[i
].funcname
!= NULL
; i
++) {
533 d_printf("%s\n", _(table
[i
].usage
));
537 const char *net_share_type_str(int num_type
)
540 case 0: return _("Disk");
541 case 1: return _("Print");
542 case 2: return _("Dev");
543 case 3: return _("IPC");
544 default: return _("Unknown");
548 static NTSTATUS
net_scan_dc_noad(struct net_context
*c
,
549 struct cli_state
*cli
,
550 struct net_dc_info
*dc_info
)
552 TALLOC_CTX
*mem_ctx
= talloc_tos();
553 struct rpc_pipe_client
*pipe_hnd
= NULL
;
554 struct dcerpc_binding_handle
*b
;
555 NTSTATUS status
, result
;
556 struct policy_handle pol
;
557 union lsa_PolicyInformation
*info
;
559 ZERO_STRUCTP(dc_info
);
562 status
= cli_rpc_pipe_open_noauth(cli
, &ndr_table_lsarpc
,
564 if (!NT_STATUS_IS_OK(status
)) {
568 b
= pipe_hnd
->binding_handle
;
570 status
= dcerpc_lsa_open_policy(b
, mem_ctx
,
572 SEC_FLAG_MAXIMUM_ALLOWED
,
575 if (!NT_STATUS_IS_OK(status
)) {
578 if (!NT_STATUS_IS_OK(result
)) {
583 status
= dcerpc_lsa_QueryInfoPolicy(b
, mem_ctx
,
585 LSA_POLICY_INFO_ACCOUNT_DOMAIN
,
588 if (!NT_STATUS_IS_OK(status
)) {
591 if (!NT_STATUS_IS_OK(result
)) {
596 dc_info
->netbios_domain_name
= talloc_strdup(mem_ctx
, info
->account_domain
.name
.string
);
597 if (dc_info
->netbios_domain_name
== NULL
) {
598 status
= NT_STATUS_NO_MEMORY
;
603 if (is_valid_policy_hnd(&pol
)) {
604 dcerpc_lsa_Close(b
, mem_ctx
, &pol
, &result
);
607 TALLOC_FREE(pipe_hnd
);
612 NTSTATUS
net_scan_dc(struct net_context
*c
,
613 struct cli_state
*cli
,
614 struct net_dc_info
*dc_info
)
616 TALLOC_CTX
*mem_ctx
= talloc_tos();
617 struct rpc_pipe_client
*dssetup_pipe
= NULL
;
618 struct dcerpc_binding_handle
*dssetup_handle
= NULL
;
619 union dssetup_DsRoleInfo info
;
623 ZERO_STRUCTP(dc_info
);
625 status
= cli_rpc_pipe_open_noauth(cli
, &ndr_table_dssetup
,
627 if (!NT_STATUS_IS_OK(status
)) {
628 DEBUG(10,("net_scan_dc: failed to open dssetup pipe with %s, "
629 "retrying with lsa pipe\n", nt_errstr(status
)));
630 return net_scan_dc_noad(c
, cli
, dc_info
);
632 dssetup_handle
= dssetup_pipe
->binding_handle
;
634 status
= dcerpc_dssetup_DsRoleGetPrimaryDomainInformation(dssetup_handle
, mem_ctx
,
635 DS_ROLE_BASIC_INFORMATION
,
638 TALLOC_FREE(dssetup_pipe
);
640 if (NT_STATUS_IS_OK(status
)) {
641 status
= werror_to_ntstatus(werr
);
643 if (!NT_STATUS_IS_OK(status
)) {
647 dc_info
->is_dc
= (info
.basic
.role
& (DS_ROLE_PRIMARY_DC
|DS_ROLE_BACKUP_DC
));
648 dc_info
->is_pdc
= (info
.basic
.role
& DS_ROLE_PRIMARY_DC
);
649 dc_info
->is_ad
= (info
.basic
.flags
& DS_ROLE_PRIMARY_DS_RUNNING
);
650 dc_info
->is_mixed_mode
= (info
.basic
.flags
& DS_ROLE_PRIMARY_DS_MIXED_MODE
);
651 dc_info
->netbios_domain_name
= talloc_strdup(mem_ctx
, info
.basic
.domain
);
652 dc_info
->dns_domain_name
= talloc_strdup(mem_ctx
, info
.basic
.dns_domain
);
653 dc_info
->forest_name
= talloc_strdup(mem_ctx
, info
.basic
.forest
);