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
)));
224 * Connect a server and open a given pipe
226 * @param cli_dst A cli_state
227 * @param pipe The pipe to open
228 * @param got_pipe boolean that stores if we got a pipe
230 * @return Normal NTSTATUS return.
232 NTSTATUS
connect_dst_pipe(struct net_context
*c
, struct cli_state
**cli_dst
,
233 struct rpc_pipe_client
**pp_pipe_hnd
,
234 const struct ndr_syntax_id
*interface
)
237 char *server_name
= SMB_STRDUP("127.0.0.1");
238 struct cli_state
*cli_tmp
= NULL
;
239 struct rpc_pipe_client
*pipe_hnd
= NULL
;
241 if (server_name
== NULL
) {
242 return NT_STATUS_NO_MEMORY
;
245 if (c
->opt_destination
) {
246 SAFE_FREE(server_name
);
247 if ((server_name
= SMB_STRDUP(c
->opt_destination
)) == NULL
) {
248 return NT_STATUS_NO_MEMORY
;
252 /* make a connection to a named pipe */
253 nt_status
= connect_to_ipc(c
, &cli_tmp
, NULL
, server_name
);
254 if (!NT_STATUS_IS_OK(nt_status
)) {
255 SAFE_FREE(server_name
);
259 nt_status
= cli_rpc_pipe_open_noauth(cli_tmp
, interface
,
261 if (!NT_STATUS_IS_OK(nt_status
)) {
262 DEBUG(0, ("couldn't not initialize pipe\n"));
263 cli_shutdown(cli_tmp
);
264 SAFE_FREE(server_name
);
269 *pp_pipe_hnd
= pipe_hnd
;
270 SAFE_FREE(server_name
);
275 /****************************************************************************
276 Use the local machine account (krb) and password for this session.
277 ****************************************************************************/
279 int net_use_krb_machine_account(struct net_context
*c
)
281 char *user_name
= NULL
;
283 if (!secrets_init()) {
284 d_fprintf(stderr
,_("ERROR: Unable to open secrets database\n"));
288 c
->opt_password
= secrets_fetch_machine_password(
289 c
->opt_target_workgroup
, NULL
, NULL
);
290 if (asprintf(&user_name
, "%s$@%s", lp_netbios_name(), lp_realm()) == -1) {
293 c
->opt_user_name
= user_name
;
297 /****************************************************************************
298 Use the machine account name and password for this session.
299 ****************************************************************************/
301 int net_use_machine_account(struct net_context
*c
)
303 char *user_name
= NULL
;
305 if (!secrets_init()) {
306 d_fprintf(stderr
,_("ERROR: Unable to open secrets database\n"));
310 c
->opt_password
= secrets_fetch_machine_password(
311 c
->opt_target_workgroup
, NULL
, NULL
);
312 if (asprintf(&user_name
, "%s$", lp_netbios_name()) == -1) {
315 c
->opt_user_name
= user_name
;
319 bool net_find_server(struct net_context
*c
,
322 struct sockaddr_storage
*server_ss
,
325 const char *d
= domain
? domain
: c
->opt_target_workgroup
;
328 *server_name
= SMB_STRDUP(c
->opt_host
);
331 if (c
->opt_have_ip
) {
332 *server_ss
= c
->opt_dest_ip
;
334 char addr
[INET6_ADDRSTRLEN
];
335 print_sockaddr(addr
, sizeof(addr
), &c
->opt_dest_ip
);
336 *server_name
= SMB_STRDUP(addr
);
338 } else if (*server_name
) {
339 /* resolve the IP address */
340 if (!resolve_name(*server_name
, server_ss
, 0x20, false)) {
341 DEBUG(1,("Unable to resolve server name\n"));
344 } else if (flags
& NET_FLAGS_PDC
) {
346 struct sockaddr_storage pdc_ss
;
348 if (!get_pdc_ip(d
, &pdc_ss
)) {
349 DEBUG(1,("Unable to resolve PDC server address\n"));
353 if (is_zero_addr(&pdc_ss
)) {
357 if (!name_status_find(d
, 0x1b, 0x20, &pdc_ss
, dc_name
)) {
361 *server_name
= SMB_STRDUP(dc_name
);
363 } else if (flags
& NET_FLAGS_DMB
) {
364 struct sockaddr_storage msbrow_ss
;
365 char addr
[INET6_ADDRSTRLEN
];
367 /* if (!resolve_name(MSBROWSE, &msbrow_ip, 1, false)) */
368 if (!resolve_name(d
, &msbrow_ss
, 0x1B, false)) {
369 DEBUG(1,("Unable to resolve domain browser via name lookup\n"));
372 *server_ss
= msbrow_ss
;
373 print_sockaddr(addr
, sizeof(addr
), server_ss
);
374 *server_name
= SMB_STRDUP(addr
);
375 } else if (flags
& NET_FLAGS_MASTER
) {
376 struct sockaddr_storage brow_ss
;
377 char addr
[INET6_ADDRSTRLEN
];
378 if (!resolve_name(d
, &brow_ss
, 0x1D, false)) {
379 /* go looking for workgroups */
380 DEBUG(1,("Unable to resolve master browser via name lookup\n"));
383 *server_ss
= brow_ss
;
384 print_sockaddr(addr
, sizeof(addr
), server_ss
);
385 *server_name
= SMB_STRDUP(addr
);
386 } else if (!(flags
& NET_FLAGS_LOCALHOST_DEFAULT_INSANE
)) {
387 if (!interpret_string_addr(server_ss
,
388 "127.0.0.1", AI_NUMERICHOST
)) {
389 DEBUG(1,("Unable to resolve 127.0.0.1\n"));
392 *server_name
= SMB_STRDUP("127.0.0.1");
396 DEBUG(1,("no server to connect to\n"));
403 bool net_find_pdc(struct sockaddr_storage
*server_ss
,
405 const char *domain_name
)
407 if (!get_pdc_ip(domain_name
, server_ss
)) {
410 if (is_zero_addr(server_ss
)) {
414 if (!name_status_find(domain_name
, 0x1b, 0x20, server_ss
, server_name
)) {
421 NTSTATUS
net_make_ipc_connection(struct net_context
*c
, unsigned flags
,
422 struct cli_state
**pcli
)
424 return net_make_ipc_connection_ex(c
, c
->opt_workgroup
, NULL
, NULL
, flags
, pcli
);
427 NTSTATUS
net_make_ipc_connection_ex(struct net_context
*c
,const char *domain
,
429 const struct sockaddr_storage
*pss
,
430 unsigned flags
, struct cli_state
**pcli
)
432 char *server_name
= NULL
;
433 struct sockaddr_storage server_ss
;
434 struct cli_state
*cli
= NULL
;
437 if ( !server
|| !pss
) {
438 if (!net_find_server(c
, domain
, flags
, &server_ss
,
440 d_fprintf(stderr
, _("Unable to find a suitable server "
441 "for domain %s\n"), domain
);
442 nt_status
= NT_STATUS_UNSUCCESSFUL
;
446 server_name
= SMB_STRDUP( server
);
450 if (flags
& NET_FLAGS_ANONYMOUS
) {
451 nt_status
= connect_to_ipc_anonymous(c
, &cli
, &server_ss
,
454 nt_status
= connect_to_ipc(c
, &cli
, &server_ss
,
458 /* store the server in the affinity cache if it was a PDC */
460 if ( (flags
& NET_FLAGS_PDC
) && NT_STATUS_IS_OK(nt_status
) )
461 saf_store(cli
->server_domain
, server_name
);
463 SAFE_FREE(server_name
);
464 if (!NT_STATUS_IS_OK(nt_status
)) {
465 d_fprintf(stderr
, _("Connection failed: %s\n"),
466 nt_errstr(nt_status
));
468 } else if (c
->opt_request_timeout
) {
469 cli_set_timeout(cli
, c
->opt_request_timeout
* 1000);
479 /****************************************************************************
480 ****************************************************************************/
482 const char *net_prompt_pass(struct net_context
*c
, const char *user
)
488 if (c
->opt_password
) {
489 return c
->opt_password
;
492 if (c
->opt_machine_pass
) {
496 if (c
->opt_kerberos
&& !c
->opt_user_specified
) {
500 if (asprintf(&prompt
, _("Enter %s's password:"), user
) == -1) {
504 rc
= samba_getpass(prompt
, pwd
, sizeof(pwd
), false, false);
510 return SMB_STRDUP(pwd
);
513 int net_run_function(struct net_context
*c
, int argc
, const char **argv
,
514 const char *whoami
, struct functable
*table
)
519 for (i
=0; table
[i
].funcname
!= NULL
; i
++) {
520 if (strcasecmp_m(argv
[0], table
[i
].funcname
) == 0)
521 return table
[i
].fn(c
, argc
-1, argv
+1);
525 if (c
->display_usage
== false) {
526 d_fprintf(stderr
, _("Invalid command: %s %s\n"), whoami
,
527 (argc
> 0)?argv
[0]:"");
529 d_printf(_("Usage:\n"));
530 for (i
=0; table
[i
].funcname
!= NULL
; i
++) {
531 if(c
->display_usage
== false)
532 d_printf("%s %-15s %s\n", whoami
, table
[i
].funcname
,
533 _(table
[i
].description
));
535 d_printf("%s\n", _(table
[i
].usage
));
538 return c
->display_usage
?0:-1;
541 void net_display_usage_from_functable(struct functable
*table
)
544 for (i
=0; table
[i
].funcname
!= NULL
; i
++) {
545 d_printf("%s\n", _(table
[i
].usage
));
549 const char *net_share_type_str(int num_type
)
552 case 0: return _("Disk");
553 case 1: return _("Print");
554 case 2: return _("Dev");
555 case 3: return _("IPC");
556 default: return _("Unknown");
560 static NTSTATUS
net_scan_dc_noad(struct net_context
*c
,
561 struct cli_state
*cli
,
562 struct net_dc_info
*dc_info
)
564 TALLOC_CTX
*mem_ctx
= talloc_tos();
565 struct rpc_pipe_client
*pipe_hnd
= NULL
;
566 struct dcerpc_binding_handle
*b
;
567 NTSTATUS status
, result
;
568 struct policy_handle pol
;
569 union lsa_PolicyInformation
*info
;
571 ZERO_STRUCTP(dc_info
);
574 status
= cli_rpc_pipe_open_noauth(cli
, &ndr_table_lsarpc
.syntax_id
,
576 if (!NT_STATUS_IS_OK(status
)) {
580 b
= pipe_hnd
->binding_handle
;
582 status
= dcerpc_lsa_open_policy(b
, mem_ctx
,
584 SEC_FLAG_MAXIMUM_ALLOWED
,
587 if (!NT_STATUS_IS_OK(status
)) {
590 if (!NT_STATUS_IS_OK(result
)) {
595 status
= dcerpc_lsa_QueryInfoPolicy(b
, mem_ctx
,
597 LSA_POLICY_INFO_ACCOUNT_DOMAIN
,
600 if (!NT_STATUS_IS_OK(status
)) {
603 if (!NT_STATUS_IS_OK(result
)) {
608 dc_info
->netbios_domain_name
= talloc_strdup(mem_ctx
, info
->account_domain
.name
.string
);
609 if (dc_info
->netbios_domain_name
== NULL
) {
610 status
= NT_STATUS_NO_MEMORY
;
615 if (is_valid_policy_hnd(&pol
)) {
616 dcerpc_lsa_Close(b
, mem_ctx
, &pol
, &result
);
619 TALLOC_FREE(pipe_hnd
);
624 NTSTATUS
net_scan_dc(struct net_context
*c
,
625 struct cli_state
*cli
,
626 struct net_dc_info
*dc_info
)
628 TALLOC_CTX
*mem_ctx
= talloc_tos();
629 struct rpc_pipe_client
*dssetup_pipe
= NULL
;
630 struct dcerpc_binding_handle
*dssetup_handle
= NULL
;
631 union dssetup_DsRoleInfo info
;
635 ZERO_STRUCTP(dc_info
);
637 status
= cli_rpc_pipe_open_noauth(cli
, &ndr_table_dssetup
.syntax_id
,
639 if (!NT_STATUS_IS_OK(status
)) {
640 DEBUG(10,("net_scan_dc: failed to open dssetup pipe with %s, "
641 "retrying with lsa pipe\n", nt_errstr(status
)));
642 return net_scan_dc_noad(c
, cli
, dc_info
);
644 dssetup_handle
= dssetup_pipe
->binding_handle
;
646 status
= dcerpc_dssetup_DsRoleGetPrimaryDomainInformation(dssetup_handle
, mem_ctx
,
647 DS_ROLE_BASIC_INFORMATION
,
650 TALLOC_FREE(dssetup_pipe
);
652 if (NT_STATUS_IS_OK(status
)) {
653 status
= werror_to_ntstatus(werr
);
655 if (!NT_STATUS_IS_OK(status
)) {
659 dc_info
->is_dc
= (info
.basic
.role
& (DS_ROLE_PRIMARY_DC
|DS_ROLE_BACKUP_DC
));
660 dc_info
->is_pdc
= (info
.basic
.role
& DS_ROLE_PRIMARY_DC
);
661 dc_info
->is_ad
= (info
.basic
.flags
& DS_ROLE_PRIMARY_DS_RUNNING
);
662 dc_info
->is_mixed_mode
= (info
.basic
.flags
& DS_ROLE_PRIMARY_DS_MIXED_MODE
);
663 dc_info
->netbios_domain_name
= talloc_strdup(mem_ctx
, info
.basic
.domain
);
664 dc_info
->dns_domain_name
= talloc_strdup(mem_ctx
, info
.basic
.dns_domain
);
665 dc_info
->forest_name
= talloc_strdup(mem_ctx
, info
.basic
.forest
);