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 "rpc_client/cli_pipe.h"
25 #include "../librpc/gen_ndr/ndr_lsa_c.h"
26 #include "rpc_client/cli_lsarpc.h"
27 #include "../librpc/gen_ndr/ndr_dssetup_c.h"
29 #include "../libcli/security/security.h"
30 #include "libsmb/libsmb.h"
32 NTSTATUS
net_rpc_lookup_name(struct net_context
*c
,
33 TALLOC_CTX
*mem_ctx
, struct cli_state
*cli
,
34 const char *name
, const char **ret_domain
,
35 const char **ret_name
, struct dom_sid
*ret_sid
,
36 enum lsa_SidType
*ret_type
)
38 struct rpc_pipe_client
*lsa_pipe
= NULL
;
39 struct policy_handle pol
;
40 NTSTATUS status
, result
;
41 const char **dom_names
;
43 enum lsa_SidType
*types
;
44 struct dcerpc_binding_handle
*b
;
48 status
= cli_rpc_pipe_open_noauth(cli
, &ndr_table_lsarpc
.syntax_id
,
50 if (!NT_STATUS_IS_OK(status
)) {
51 d_fprintf(stderr
, _("Could not initialise lsa pipe\n"));
55 b
= lsa_pipe
->binding_handle
;
57 status
= rpccli_lsa_open_policy(lsa_pipe
, mem_ctx
, false,
58 SEC_FLAG_MAXIMUM_ALLOWED
,
60 if (!NT_STATUS_IS_OK(status
)) {
61 d_fprintf(stderr
, "open_policy %s: %s\n", _("failed"),
66 status
= rpccli_lsa_lookup_names(lsa_pipe
, mem_ctx
, &pol
, 1,
67 &name
, &dom_names
, 1, &sids
, &types
);
69 if (!NT_STATUS_IS_OK(status
)) {
70 /* This can happen easily, don't log an error */
74 if (ret_domain
!= NULL
) {
75 *ret_domain
= dom_names
[0];
77 if (ret_name
!= NULL
) {
78 *ret_name
= talloc_strdup(mem_ctx
, name
);
80 if (ret_sid
!= NULL
) {
81 sid_copy(ret_sid
, &sids
[0]);
83 if (ret_type
!= NULL
) {
88 if (is_valid_policy_hnd(&pol
)) {
89 dcerpc_lsa_Close(b
, mem_ctx
, &pol
, &result
);
91 TALLOC_FREE(lsa_pipe
);
96 /****************************************************************************
97 Connect to \\server\service.
98 ****************************************************************************/
100 NTSTATUS
connect_to_service(struct net_context
*c
,
101 struct cli_state
**cli_ctx
,
102 const struct sockaddr_storage
*server_ss
,
103 const char *server_name
,
104 const char *service_name
,
105 const char *service_type
)
110 c
->opt_password
= net_prompt_pass(c
, c
->opt_user_name
);
112 if (c
->opt_kerberos
) {
113 flags
|= CLI_FULL_CONNECTION_USE_KERBEROS
;
116 if (c
->opt_kerberos
&& c
->opt_password
) {
117 flags
|= CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS
;
121 flags
|= CLI_FULL_CONNECTION_USE_CCACHE
;
124 nt_status
= cli_full_connection(cli_ctx
, NULL
, server_name
,
125 server_ss
, c
->opt_port
,
126 service_name
, service_type
,
127 c
->opt_user_name
, c
->opt_workgroup
,
128 c
->opt_password
, flags
,
129 SMB_SIGNING_DEFAULT
);
130 if (!NT_STATUS_IS_OK(nt_status
)) {
131 d_fprintf(stderr
, _("Could not connect to server %s\n"),
134 /* Display a nicer message depending on the result */
136 if (NT_STATUS_V(nt_status
) ==
137 NT_STATUS_V(NT_STATUS_LOGON_FAILURE
))
139 _("The username or password was not "
142 if (NT_STATUS_V(nt_status
) ==
143 NT_STATUS_V(NT_STATUS_ACCOUNT_LOCKED_OUT
))
144 d_fprintf(stderr
, _("The account was locked out.\n"));
146 if (NT_STATUS_V(nt_status
) ==
147 NT_STATUS_V(NT_STATUS_ACCOUNT_DISABLED
))
148 d_fprintf(stderr
, _("The account was disabled.\n"));
152 if (c
->smb_encrypt
) {
153 nt_status
= cli_force_encryption(*cli_ctx
,
158 if (NT_STATUS_EQUAL(nt_status
,NT_STATUS_NOT_SUPPORTED
)) {
159 d_printf(_("Encryption required and "
160 "server that doesn't support "
161 "UNIX extensions - failing connect\n"));
162 } else if (NT_STATUS_EQUAL(nt_status
,NT_STATUS_UNKNOWN_REVISION
)) {
163 d_printf(_("Encryption required and "
164 "can't get UNIX CIFS extensions "
165 "version from server.\n"));
166 } else if (NT_STATUS_EQUAL(nt_status
,NT_STATUS_UNSUPPORTED_COMPRESSION
)) {
167 d_printf(_("Encryption required and "
168 "share %s doesn't support "
169 "encryption.\n"), service_name
);
170 } else if (!NT_STATUS_IS_OK(nt_status
)) {
171 d_printf(_("Encryption required and "
172 "setup failed with error %s.\n"),
173 nt_errstr(nt_status
));
176 if (!NT_STATUS_IS_OK(nt_status
)) {
177 cli_shutdown(*cli_ctx
);
185 /****************************************************************************
186 Connect to \\server\ipc$.
187 ****************************************************************************/
189 NTSTATUS
connect_to_ipc(struct net_context
*c
,
190 struct cli_state
**cli_ctx
,
191 const struct sockaddr_storage
*server_ss
,
192 const char *server_name
)
194 return connect_to_service(c
, cli_ctx
, server_ss
, server_name
, "IPC$",
198 /****************************************************************************
199 Connect to \\server\ipc$ anonymously.
200 ****************************************************************************/
202 NTSTATUS
connect_to_ipc_anonymous(struct net_context
*c
,
203 struct cli_state
**cli_ctx
,
204 const struct sockaddr_storage
*server_ss
,
205 const char *server_name
)
209 nt_status
= cli_full_connection(cli_ctx
, c
->opt_requester_name
,
210 server_name
, server_ss
, c
->opt_port
,
213 "", 0, SMB_SIGNING_DEFAULT
);
215 if (NT_STATUS_IS_OK(nt_status
)) {
218 DEBUG(1,("Cannot connect to server (anonymously). Error was %s\n", nt_errstr(nt_status
)));
223 /****************************************************************************
224 Return malloced user@realm for krb5 login.
225 ****************************************************************************/
227 static char *get_user_and_realm(const char *username
)
229 char *user_and_realm
= NULL
;
234 if (strchr_m(username
, '@')) {
235 user_and_realm
= SMB_STRDUP(username
);
237 if (asprintf(&user_and_realm
, "%s@%s", username
, lp_realm()) == -1) {
238 user_and_realm
= NULL
;
241 return user_and_realm
;
244 /****************************************************************************
245 Connect to \\server\ipc$ using KRB5.
246 ****************************************************************************/
248 NTSTATUS
connect_to_ipc_krb5(struct net_context
*c
,
249 struct cli_state
**cli_ctx
,
250 const struct sockaddr_storage
*server_ss
,
251 const char *server_name
)
254 char *user_and_realm
= NULL
;
256 /* FIXME: Should get existing kerberos ticket if possible. */
257 c
->opt_password
= net_prompt_pass(c
, c
->opt_user_name
);
258 if (!c
->opt_password
) {
259 return NT_STATUS_NO_MEMORY
;
262 user_and_realm
= get_user_and_realm(c
->opt_user_name
);
263 if (!user_and_realm
) {
264 return NT_STATUS_NO_MEMORY
;
267 nt_status
= cli_full_connection(cli_ctx
, NULL
, server_name
,
268 server_ss
, c
->opt_port
,
270 user_and_realm
, c
->opt_workgroup
,
272 CLI_FULL_CONNECTION_USE_KERBEROS
,
273 SMB_SIGNING_DEFAULT
);
275 SAFE_FREE(user_and_realm
);
277 if (!NT_STATUS_IS_OK(nt_status
)) {
278 DEBUG(1,("Cannot connect to server using kerberos. Error was %s\n", nt_errstr(nt_status
)));
282 if (c
->smb_encrypt
) {
283 nt_status
= cli_cm_force_encryption(*cli_ctx
,
288 if (!NT_STATUS_IS_OK(nt_status
)) {
289 cli_shutdown(*cli_ctx
);
298 * Connect a server and open a given pipe
300 * @param cli_dst A cli_state
301 * @param pipe The pipe to open
302 * @param got_pipe boolean that stores if we got a pipe
304 * @return Normal NTSTATUS return.
306 NTSTATUS
connect_dst_pipe(struct net_context
*c
, struct cli_state
**cli_dst
,
307 struct rpc_pipe_client
**pp_pipe_hnd
,
308 const struct ndr_syntax_id
*interface
)
311 char *server_name
= SMB_STRDUP("127.0.0.1");
312 struct cli_state
*cli_tmp
= NULL
;
313 struct rpc_pipe_client
*pipe_hnd
= NULL
;
315 if (server_name
== NULL
) {
316 return NT_STATUS_NO_MEMORY
;
319 if (c
->opt_destination
) {
320 SAFE_FREE(server_name
);
321 if ((server_name
= SMB_STRDUP(c
->opt_destination
)) == NULL
) {
322 return NT_STATUS_NO_MEMORY
;
326 /* make a connection to a named pipe */
327 nt_status
= connect_to_ipc(c
, &cli_tmp
, NULL
, server_name
);
328 if (!NT_STATUS_IS_OK(nt_status
)) {
329 SAFE_FREE(server_name
);
333 nt_status
= cli_rpc_pipe_open_noauth(cli_tmp
, interface
,
335 if (!NT_STATUS_IS_OK(nt_status
)) {
336 DEBUG(0, ("couldn't not initialize pipe\n"));
337 cli_shutdown(cli_tmp
);
338 SAFE_FREE(server_name
);
343 *pp_pipe_hnd
= pipe_hnd
;
344 SAFE_FREE(server_name
);
349 /****************************************************************************
350 Use the local machine account (krb) and password for this session.
351 ****************************************************************************/
353 int net_use_krb_machine_account(struct net_context
*c
)
355 char *user_name
= NULL
;
357 if (!secrets_init()) {
358 d_fprintf(stderr
,_("ERROR: Unable to open secrets database\n"));
362 c
->opt_password
= secrets_fetch_machine_password(
363 c
->opt_target_workgroup
, NULL
, NULL
);
364 if (asprintf(&user_name
, "%s$@%s", lp_netbios_name(), lp_realm()) == -1) {
367 c
->opt_user_name
= user_name
;
371 /****************************************************************************
372 Use the machine account name and password for this session.
373 ****************************************************************************/
375 int net_use_machine_account(struct net_context
*c
)
377 char *user_name
= NULL
;
379 if (!secrets_init()) {
380 d_fprintf(stderr
,_("ERROR: Unable to open secrets database\n"));
384 c
->opt_password
= secrets_fetch_machine_password(
385 c
->opt_target_workgroup
, NULL
, NULL
);
386 if (asprintf(&user_name
, "%s$", lp_netbios_name()) == -1) {
389 c
->opt_user_name
= user_name
;
393 bool net_find_server(struct net_context
*c
,
396 struct sockaddr_storage
*server_ss
,
399 const char *d
= domain
? domain
: c
->opt_target_workgroup
;
402 *server_name
= SMB_STRDUP(c
->opt_host
);
405 if (c
->opt_have_ip
) {
406 *server_ss
= c
->opt_dest_ip
;
408 char addr
[INET6_ADDRSTRLEN
];
409 print_sockaddr(addr
, sizeof(addr
), &c
->opt_dest_ip
);
410 *server_name
= SMB_STRDUP(addr
);
412 } else if (*server_name
) {
413 /* resolve the IP address */
414 if (!resolve_name(*server_name
, server_ss
, 0x20, false)) {
415 DEBUG(1,("Unable to resolve server name\n"));
418 } else if (flags
& NET_FLAGS_PDC
) {
420 struct sockaddr_storage pdc_ss
;
422 if (!get_pdc_ip(d
, &pdc_ss
)) {
423 DEBUG(1,("Unable to resolve PDC server address\n"));
427 if (is_zero_addr(&pdc_ss
)) {
431 if (!name_status_find(d
, 0x1b, 0x20, &pdc_ss
, dc_name
)) {
435 *server_name
= SMB_STRDUP(dc_name
);
437 } else if (flags
& NET_FLAGS_DMB
) {
438 struct sockaddr_storage msbrow_ss
;
439 char addr
[INET6_ADDRSTRLEN
];
441 /* if (!resolve_name(MSBROWSE, &msbrow_ip, 1, false)) */
442 if (!resolve_name(d
, &msbrow_ss
, 0x1B, false)) {
443 DEBUG(1,("Unable to resolve domain browser via name lookup\n"));
446 *server_ss
= msbrow_ss
;
447 print_sockaddr(addr
, sizeof(addr
), server_ss
);
448 *server_name
= SMB_STRDUP(addr
);
449 } else if (flags
& NET_FLAGS_MASTER
) {
450 struct sockaddr_storage brow_ss
;
451 char addr
[INET6_ADDRSTRLEN
];
452 if (!resolve_name(d
, &brow_ss
, 0x1D, false)) {
453 /* go looking for workgroups */
454 DEBUG(1,("Unable to resolve master browser via name lookup\n"));
457 *server_ss
= brow_ss
;
458 print_sockaddr(addr
, sizeof(addr
), server_ss
);
459 *server_name
= SMB_STRDUP(addr
);
460 } else if (!(flags
& NET_FLAGS_LOCALHOST_DEFAULT_INSANE
)) {
461 if (!interpret_string_addr(server_ss
,
462 "127.0.0.1", AI_NUMERICHOST
)) {
463 DEBUG(1,("Unable to resolve 127.0.0.1\n"));
466 *server_name
= SMB_STRDUP("127.0.0.1");
470 DEBUG(1,("no server to connect to\n"));
477 bool net_find_pdc(struct sockaddr_storage
*server_ss
,
479 const char *domain_name
)
481 if (!get_pdc_ip(domain_name
, server_ss
)) {
484 if (is_zero_addr(server_ss
)) {
488 if (!name_status_find(domain_name
, 0x1b, 0x20, server_ss
, server_name
)) {
495 NTSTATUS
net_make_ipc_connection(struct net_context
*c
, unsigned flags
,
496 struct cli_state
**pcli
)
498 return net_make_ipc_connection_ex(c
, c
->opt_workgroup
, NULL
, NULL
, flags
, pcli
);
501 NTSTATUS
net_make_ipc_connection_ex(struct net_context
*c
,const char *domain
,
503 const struct sockaddr_storage
*pss
,
504 unsigned flags
, struct cli_state
**pcli
)
506 char *server_name
= NULL
;
507 struct sockaddr_storage server_ss
;
508 struct cli_state
*cli
= NULL
;
511 if ( !server
|| !pss
) {
512 if (!net_find_server(c
, domain
, flags
, &server_ss
,
514 d_fprintf(stderr
, _("Unable to find a suitable server "
515 "for domain %s\n"), domain
);
516 nt_status
= NT_STATUS_UNSUCCESSFUL
;
520 server_name
= SMB_STRDUP( server
);
524 if (flags
& NET_FLAGS_ANONYMOUS
) {
525 nt_status
= connect_to_ipc_anonymous(c
, &cli
, &server_ss
,
528 nt_status
= connect_to_ipc(c
, &cli
, &server_ss
,
532 /* store the server in the affinity cache if it was a PDC */
534 if ( (flags
& NET_FLAGS_PDC
) && NT_STATUS_IS_OK(nt_status
) )
535 saf_store(cli
->server_domain
, server_name
);
537 SAFE_FREE(server_name
);
538 if (!NT_STATUS_IS_OK(nt_status
)) {
539 d_fprintf(stderr
, _("Connection failed: %s\n"),
540 nt_errstr(nt_status
));
542 } else if (c
->opt_request_timeout
) {
543 cli_set_timeout(cli
, c
->opt_request_timeout
* 1000);
553 /****************************************************************************
554 ****************************************************************************/
556 const char *net_prompt_pass(struct net_context
*c
, const char *user
)
559 const char *pass
= NULL
;
561 if (c
->opt_password
) {
562 return c
->opt_password
;
565 if (c
->opt_machine_pass
) {
569 if (c
->opt_kerberos
&& !c
->opt_user_specified
) {
573 if (asprintf(&prompt
, _("Enter %s's password:"), user
) == -1) {
577 pass
= getpass(prompt
);
583 int net_run_function(struct net_context
*c
, int argc
, const char **argv
,
584 const char *whoami
, struct functable
*table
)
589 for (i
=0; table
[i
].funcname
!= NULL
; i
++) {
590 if (strcasecmp_m(argv
[0], table
[i
].funcname
) == 0)
591 return table
[i
].fn(c
, argc
-1, argv
+1);
595 if (c
->display_usage
== false) {
596 d_fprintf(stderr
, _("Invalid command: %s %s\n"), whoami
,
597 (argc
> 0)?argv
[0]:"");
599 d_printf(_("Usage:\n"));
600 for (i
=0; table
[i
].funcname
!= NULL
; i
++) {
601 if(c
->display_usage
== false)
602 d_printf("%s %-15s %s\n", whoami
, table
[i
].funcname
,
603 _(table
[i
].description
));
605 d_printf("%s\n", _(table
[i
].usage
));
608 return c
->display_usage
?0:-1;
611 void net_display_usage_from_functable(struct functable
*table
)
614 for (i
=0; table
[i
].funcname
!= NULL
; i
++) {
615 d_printf("%s\n", _(table
[i
].usage
));
619 const char *net_share_type_str(int num_type
)
622 case 0: return _("Disk");
623 case 1: return _("Print");
624 case 2: return _("Dev");
625 case 3: return _("IPC");
626 default: return _("Unknown");
630 static NTSTATUS
net_scan_dc_noad(struct net_context
*c
,
631 struct cli_state
*cli
,
632 struct net_dc_info
*dc_info
)
634 TALLOC_CTX
*mem_ctx
= talloc_tos();
635 struct rpc_pipe_client
*pipe_hnd
= NULL
;
636 struct dcerpc_binding_handle
*b
;
637 NTSTATUS status
, result
;
638 struct policy_handle pol
;
639 union lsa_PolicyInformation
*info
;
641 ZERO_STRUCTP(dc_info
);
644 status
= cli_rpc_pipe_open_noauth(cli
, &ndr_table_lsarpc
.syntax_id
,
646 if (!NT_STATUS_IS_OK(status
)) {
650 b
= pipe_hnd
->binding_handle
;
652 status
= dcerpc_lsa_open_policy(b
, mem_ctx
,
654 SEC_FLAG_MAXIMUM_ALLOWED
,
657 if (!NT_STATUS_IS_OK(status
)) {
660 if (!NT_STATUS_IS_OK(result
)) {
665 status
= dcerpc_lsa_QueryInfoPolicy(b
, mem_ctx
,
667 LSA_POLICY_INFO_ACCOUNT_DOMAIN
,
670 if (!NT_STATUS_IS_OK(status
)) {
673 if (!NT_STATUS_IS_OK(result
)) {
678 dc_info
->netbios_domain_name
= talloc_strdup(mem_ctx
, info
->account_domain
.name
.string
);
679 if (dc_info
->netbios_domain_name
== NULL
) {
680 status
= NT_STATUS_NO_MEMORY
;
685 if (is_valid_policy_hnd(&pol
)) {
686 dcerpc_lsa_Close(b
, mem_ctx
, &pol
, &result
);
689 TALLOC_FREE(pipe_hnd
);
694 NTSTATUS
net_scan_dc(struct net_context
*c
,
695 struct cli_state
*cli
,
696 struct net_dc_info
*dc_info
)
698 TALLOC_CTX
*mem_ctx
= talloc_tos();
699 struct rpc_pipe_client
*dssetup_pipe
= NULL
;
700 struct dcerpc_binding_handle
*dssetup_handle
= NULL
;
701 union dssetup_DsRoleInfo info
;
705 ZERO_STRUCTP(dc_info
);
707 status
= cli_rpc_pipe_open_noauth(cli
, &ndr_table_dssetup
.syntax_id
,
709 if (!NT_STATUS_IS_OK(status
)) {
710 DEBUG(10,("net_scan_dc: failed to open dssetup pipe with %s, "
711 "retrying with lsa pipe\n", nt_errstr(status
)));
712 return net_scan_dc_noad(c
, cli
, dc_info
);
714 dssetup_handle
= dssetup_pipe
->binding_handle
;
716 status
= dcerpc_dssetup_DsRoleGetPrimaryDomainInformation(dssetup_handle
, mem_ctx
,
717 DS_ROLE_BASIC_INFORMATION
,
720 TALLOC_FREE(dssetup_pipe
);
722 if (NT_STATUS_IS_OK(status
)) {
723 status
= werror_to_ntstatus(werr
);
725 if (!NT_STATUS_IS_OK(status
)) {
729 dc_info
->is_dc
= (info
.basic
.role
& (DS_ROLE_PRIMARY_DC
|DS_ROLE_BACKUP_DC
));
730 dc_info
->is_pdc
= (info
.basic
.role
& DS_ROLE_PRIMARY_DC
);
731 dc_info
->is_ad
= (info
.basic
.flags
& DS_ROLE_PRIMARY_DS_RUNNING
);
732 dc_info
->is_mixed_mode
= (info
.basic
.flags
& DS_ROLE_PRIMARY_DS_MIXED_MODE
);
733 dc_info
->netbios_domain_name
= talloc_strdup(mem_ctx
, info
.basic
.domain
);
734 dc_info
->dns_domain_name
= talloc_strdup(mem_ctx
, info
.basic
.dns_domain
);
735 dc_info
->forest_name
= talloc_strdup(mem_ctx
, info
.basic
.forest
);