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 "../librpc/gen_ndr/cli_lsa.h"
25 #include "rpc_client/cli_lsarpc.h"
26 #include "../librpc/gen_ndr/cli_dssetup.h"
28 NTSTATUS
net_rpc_lookup_name(struct net_context
*c
,
29 TALLOC_CTX
*mem_ctx
, struct cli_state
*cli
,
30 const char *name
, const char **ret_domain
,
31 const char **ret_name
, struct dom_sid
*ret_sid
,
32 enum lsa_SidType
*ret_type
)
34 struct rpc_pipe_client
*lsa_pipe
= NULL
;
35 struct policy_handle pol
;
36 NTSTATUS result
= NT_STATUS_OK
;
37 const char **dom_names
;
39 enum lsa_SidType
*types
;
43 result
= cli_rpc_pipe_open_noauth(cli
, &ndr_table_lsarpc
.syntax_id
,
45 if (!NT_STATUS_IS_OK(result
)) {
46 d_fprintf(stderr
, _("Could not initialise lsa pipe\n"));
50 result
= rpccli_lsa_open_policy(lsa_pipe
, mem_ctx
, false,
51 SEC_FLAG_MAXIMUM_ALLOWED
,
53 if (!NT_STATUS_IS_OK(result
)) {
54 d_fprintf(stderr
, "open_policy %s: %s\n", _("failed"),
59 result
= rpccli_lsa_lookup_names(lsa_pipe
, mem_ctx
, &pol
, 1,
60 &name
, &dom_names
, 1, &sids
, &types
);
62 if (!NT_STATUS_IS_OK(result
)) {
63 /* This can happen easily, don't log an error */
67 if (ret_domain
!= NULL
) {
68 *ret_domain
= dom_names
[0];
70 if (ret_name
!= NULL
) {
71 *ret_name
= talloc_strdup(mem_ctx
, name
);
73 if (ret_sid
!= NULL
) {
74 sid_copy(ret_sid
, &sids
[0]);
76 if (ret_type
!= NULL
) {
81 if (is_valid_policy_hnd(&pol
)) {
82 rpccli_lsa_Close(lsa_pipe
, mem_ctx
, &pol
);
84 TALLOC_FREE(lsa_pipe
);
89 /****************************************************************************
90 Connect to \\server\service.
91 ****************************************************************************/
93 NTSTATUS
connect_to_service(struct net_context
*c
,
94 struct cli_state
**cli_ctx
,
95 struct sockaddr_storage
*server_ss
,
96 const char *server_name
,
97 const char *service_name
,
98 const char *service_type
)
103 c
->opt_password
= net_prompt_pass(c
, c
->opt_user_name
);
105 if (c
->opt_kerberos
) {
106 flags
|= CLI_FULL_CONNECTION_USE_KERBEROS
;
109 if (c
->opt_kerberos
&& c
->opt_password
) {
110 flags
|= CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS
;
114 flags
|= CLI_FULL_CONNECTION_USE_CCACHE
;
117 nt_status
= cli_full_connection(cli_ctx
, NULL
, server_name
,
118 server_ss
, c
->opt_port
,
119 service_name
, service_type
,
120 c
->opt_user_name
, c
->opt_workgroup
,
121 c
->opt_password
, flags
, Undefined
, NULL
);
122 if (!NT_STATUS_IS_OK(nt_status
)) {
123 d_fprintf(stderr
, _("Could not connect to server %s\n"),
126 /* Display a nicer message depending on the result */
128 if (NT_STATUS_V(nt_status
) ==
129 NT_STATUS_V(NT_STATUS_LOGON_FAILURE
))
131 _("The username or password was not "
134 if (NT_STATUS_V(nt_status
) ==
135 NT_STATUS_V(NT_STATUS_ACCOUNT_LOCKED_OUT
))
136 d_fprintf(stderr
, _("The account was locked out.\n"));
138 if (NT_STATUS_V(nt_status
) ==
139 NT_STATUS_V(NT_STATUS_ACCOUNT_DISABLED
))
140 d_fprintf(stderr
, _("The account was disabled.\n"));
144 if (c
->smb_encrypt
) {
145 nt_status
= cli_force_encryption(*cli_ctx
,
150 if (NT_STATUS_EQUAL(nt_status
,NT_STATUS_NOT_SUPPORTED
)) {
151 d_printf(_("Encryption required and "
152 "server that doesn't support "
153 "UNIX extensions - failing connect\n"));
154 } else if (NT_STATUS_EQUAL(nt_status
,NT_STATUS_UNKNOWN_REVISION
)) {
155 d_printf(_("Encryption required and "
156 "can't get UNIX CIFS extensions "
157 "version from server.\n"));
158 } else if (NT_STATUS_EQUAL(nt_status
,NT_STATUS_UNSUPPORTED_COMPRESSION
)) {
159 d_printf(_("Encryption required and "
160 "share %s doesn't support "
161 "encryption.\n"), service_name
);
162 } else if (!NT_STATUS_IS_OK(nt_status
)) {
163 d_printf(_("Encryption required and "
164 "setup failed with error %s.\n"),
165 nt_errstr(nt_status
));
168 if (!NT_STATUS_IS_OK(nt_status
)) {
169 cli_shutdown(*cli_ctx
);
177 /****************************************************************************
178 Connect to \\server\ipc$.
179 ****************************************************************************/
181 NTSTATUS
connect_to_ipc(struct net_context
*c
,
182 struct cli_state
**cli_ctx
,
183 struct sockaddr_storage
*server_ss
,
184 const char *server_name
)
186 return connect_to_service(c
, cli_ctx
, server_ss
, server_name
, "IPC$",
190 /****************************************************************************
191 Connect to \\server\ipc$ anonymously.
192 ****************************************************************************/
194 NTSTATUS
connect_to_ipc_anonymous(struct net_context
*c
,
195 struct cli_state
**cli_ctx
,
196 struct sockaddr_storage
*server_ss
,
197 const char *server_name
)
201 nt_status
= cli_full_connection(cli_ctx
, c
->opt_requester_name
,
202 server_name
, server_ss
, c
->opt_port
,
205 "", 0, Undefined
, NULL
);
207 if (NT_STATUS_IS_OK(nt_status
)) {
210 DEBUG(1,("Cannot connect to server (anonymously). Error was %s\n", nt_errstr(nt_status
)));
215 /****************************************************************************
216 Return malloced user@realm for krb5 login.
217 ****************************************************************************/
219 static char *get_user_and_realm(const char *username
)
221 char *user_and_realm
= NULL
;
226 if (strchr_m(username
, '@')) {
227 user_and_realm
= SMB_STRDUP(username
);
229 if (asprintf(&user_and_realm
, "%s@%s", username
, lp_realm()) == -1) {
230 user_and_realm
= NULL
;
233 return user_and_realm
;
236 /****************************************************************************
237 Connect to \\server\ipc$ using KRB5.
238 ****************************************************************************/
240 NTSTATUS
connect_to_ipc_krb5(struct net_context
*c
,
241 struct cli_state
**cli_ctx
,
242 struct sockaddr_storage
*server_ss
,
243 const char *server_name
)
246 char *user_and_realm
= NULL
;
248 /* FIXME: Should get existing kerberos ticket if possible. */
249 c
->opt_password
= net_prompt_pass(c
, c
->opt_user_name
);
250 if (!c
->opt_password
) {
251 return NT_STATUS_NO_MEMORY
;
254 user_and_realm
= get_user_and_realm(c
->opt_user_name
);
255 if (!user_and_realm
) {
256 return NT_STATUS_NO_MEMORY
;
259 nt_status
= cli_full_connection(cli_ctx
, NULL
, server_name
,
260 server_ss
, c
->opt_port
,
262 user_and_realm
, c
->opt_workgroup
,
264 CLI_FULL_CONNECTION_USE_KERBEROS
,
267 SAFE_FREE(user_and_realm
);
269 if (!NT_STATUS_IS_OK(nt_status
)) {
270 DEBUG(1,("Cannot connect to server using kerberos. Error was %s\n", nt_errstr(nt_status
)));
274 if (c
->smb_encrypt
) {
275 nt_status
= cli_cm_force_encryption(*cli_ctx
,
280 if (!NT_STATUS_IS_OK(nt_status
)) {
281 cli_shutdown(*cli_ctx
);
290 * Connect a server and open a given pipe
292 * @param cli_dst A cli_state
293 * @param pipe The pipe to open
294 * @param got_pipe boolean that stores if we got a pipe
296 * @return Normal NTSTATUS return.
298 NTSTATUS
connect_dst_pipe(struct net_context
*c
, struct cli_state
**cli_dst
,
299 struct rpc_pipe_client
**pp_pipe_hnd
,
300 const struct ndr_syntax_id
*interface
)
303 char *server_name
= SMB_STRDUP("127.0.0.1");
304 struct cli_state
*cli_tmp
= NULL
;
305 struct rpc_pipe_client
*pipe_hnd
= NULL
;
307 if (server_name
== NULL
) {
308 return NT_STATUS_NO_MEMORY
;
311 if (c
->opt_destination
) {
312 SAFE_FREE(server_name
);
313 if ((server_name
= SMB_STRDUP(c
->opt_destination
)) == NULL
) {
314 return NT_STATUS_NO_MEMORY
;
318 /* make a connection to a named pipe */
319 nt_status
= connect_to_ipc(c
, &cli_tmp
, NULL
, server_name
);
320 if (!NT_STATUS_IS_OK(nt_status
)) {
321 SAFE_FREE(server_name
);
325 nt_status
= cli_rpc_pipe_open_noauth(cli_tmp
, interface
,
327 if (!NT_STATUS_IS_OK(nt_status
)) {
328 DEBUG(0, ("couldn't not initialize pipe\n"));
329 cli_shutdown(cli_tmp
);
330 SAFE_FREE(server_name
);
335 *pp_pipe_hnd
= pipe_hnd
;
336 SAFE_FREE(server_name
);
341 /****************************************************************************
342 Use the local machine account (krb) and password for this session.
343 ****************************************************************************/
345 int net_use_krb_machine_account(struct net_context
*c
)
347 char *user_name
= NULL
;
349 if (!secrets_init()) {
350 d_fprintf(stderr
,_("ERROR: Unable to open secrets database\n"));
354 c
->opt_password
= secrets_fetch_machine_password(
355 c
->opt_target_workgroup
, NULL
, NULL
);
356 if (asprintf(&user_name
, "%s$@%s", global_myname(), lp_realm()) == -1) {
359 c
->opt_user_name
= user_name
;
363 /****************************************************************************
364 Use the machine account name and password for this session.
365 ****************************************************************************/
367 int net_use_machine_account(struct net_context
*c
)
369 char *user_name
= NULL
;
371 if (!secrets_init()) {
372 d_fprintf(stderr
,_("ERROR: Unable to open secrets database\n"));
376 c
->opt_password
= secrets_fetch_machine_password(
377 c
->opt_target_workgroup
, NULL
, NULL
);
378 if (asprintf(&user_name
, "%s$", global_myname()) == -1) {
381 c
->opt_user_name
= user_name
;
385 bool net_find_server(struct net_context
*c
,
388 struct sockaddr_storage
*server_ss
,
391 const char *d
= domain
? domain
: c
->opt_target_workgroup
;
394 *server_name
= SMB_STRDUP(c
->opt_host
);
397 if (c
->opt_have_ip
) {
398 *server_ss
= c
->opt_dest_ip
;
400 char addr
[INET6_ADDRSTRLEN
];
401 print_sockaddr(addr
, sizeof(addr
), &c
->opt_dest_ip
);
402 *server_name
= SMB_STRDUP(addr
);
404 } else if (*server_name
) {
405 /* resolve the IP address */
406 if (!resolve_name(*server_name
, server_ss
, 0x20, false)) {
407 DEBUG(1,("Unable to resolve server name\n"));
410 } else if (flags
& NET_FLAGS_PDC
) {
412 struct sockaddr_storage pdc_ss
;
414 if (!get_pdc_ip(d
, &pdc_ss
)) {
415 DEBUG(1,("Unable to resolve PDC server address\n"));
419 if (is_zero_addr((struct sockaddr
*)&pdc_ss
)) {
423 if (!name_status_find(d
, 0x1b, 0x20, &pdc_ss
, dc_name
)) {
427 *server_name
= SMB_STRDUP(dc_name
);
429 } else if (flags
& NET_FLAGS_DMB
) {
430 struct sockaddr_storage msbrow_ss
;
431 char addr
[INET6_ADDRSTRLEN
];
433 /* if (!resolve_name(MSBROWSE, &msbrow_ip, 1, false)) */
434 if (!resolve_name(d
, &msbrow_ss
, 0x1B, false)) {
435 DEBUG(1,("Unable to resolve domain browser via name lookup\n"));
438 *server_ss
= msbrow_ss
;
439 print_sockaddr(addr
, sizeof(addr
), server_ss
);
440 *server_name
= SMB_STRDUP(addr
);
441 } else if (flags
& NET_FLAGS_MASTER
) {
442 struct sockaddr_storage brow_ss
;
443 char addr
[INET6_ADDRSTRLEN
];
444 if (!resolve_name(d
, &brow_ss
, 0x1D, false)) {
445 /* go looking for workgroups */
446 DEBUG(1,("Unable to resolve master browser via name lookup\n"));
449 *server_ss
= brow_ss
;
450 print_sockaddr(addr
, sizeof(addr
), server_ss
);
451 *server_name
= SMB_STRDUP(addr
);
452 } else if (!(flags
& NET_FLAGS_LOCALHOST_DEFAULT_INSANE
)) {
453 if (!interpret_string_addr(server_ss
,
454 "127.0.0.1", AI_NUMERICHOST
)) {
455 DEBUG(1,("Unable to resolve 127.0.0.1\n"));
458 *server_name
= SMB_STRDUP("127.0.0.1");
462 DEBUG(1,("no server to connect to\n"));
469 bool net_find_pdc(struct sockaddr_storage
*server_ss
,
471 const char *domain_name
)
473 if (!get_pdc_ip(domain_name
, server_ss
)) {
476 if (is_zero_addr((struct sockaddr
*)server_ss
)) {
480 if (!name_status_find(domain_name
, 0x1b, 0x20, server_ss
, server_name
)) {
487 NTSTATUS
net_make_ipc_connection(struct net_context
*c
, unsigned flags
,
488 struct cli_state
**pcli
)
490 return net_make_ipc_connection_ex(c
, c
->opt_workgroup
, NULL
, NULL
, flags
, pcli
);
493 NTSTATUS
net_make_ipc_connection_ex(struct net_context
*c
,const char *domain
,
495 struct sockaddr_storage
*pss
,
496 unsigned flags
, struct cli_state
**pcli
)
498 char *server_name
= NULL
;
499 struct sockaddr_storage server_ss
;
500 struct cli_state
*cli
= NULL
;
503 if ( !server
|| !pss
) {
504 if (!net_find_server(c
, domain
, flags
, &server_ss
,
506 d_fprintf(stderr
, _("Unable to find a suitable server "
507 "for domain %s\n"), domain
);
508 nt_status
= NT_STATUS_UNSUCCESSFUL
;
512 server_name
= SMB_STRDUP( server
);
516 if (flags
& NET_FLAGS_ANONYMOUS
) {
517 nt_status
= connect_to_ipc_anonymous(c
, &cli
, &server_ss
,
520 nt_status
= connect_to_ipc(c
, &cli
, &server_ss
,
524 /* store the server in the affinity cache if it was a PDC */
526 if ( (flags
& NET_FLAGS_PDC
) && NT_STATUS_IS_OK(nt_status
) )
527 saf_store( cli
->server_domain
, cli
->desthost
);
529 SAFE_FREE(server_name
);
530 if (!NT_STATUS_IS_OK(nt_status
)) {
531 d_fprintf(stderr
, _("Connection failed: %s\n"),
532 nt_errstr(nt_status
));
534 } else if (c
->opt_request_timeout
) {
535 cli_set_timeout(cli
, c
->opt_request_timeout
* 1000);
545 /****************************************************************************
546 ****************************************************************************/
548 const char *net_prompt_pass(struct net_context
*c
, const char *user
)
551 const char *pass
= NULL
;
553 if (c
->opt_password
) {
554 return c
->opt_password
;
557 if (c
->opt_machine_pass
) {
561 if (c
->opt_kerberos
&& !c
->opt_user_specified
) {
565 if (asprintf(&prompt
, _("Enter %s's password:"), user
) == -1) {
569 pass
= getpass(prompt
);
575 int net_run_function(struct net_context
*c
, int argc
, const char **argv
,
576 const char *whoami
, struct functable
*table
)
581 for (i
=0; table
[i
].funcname
!= NULL
; i
++) {
582 if (StrCaseCmp(argv
[0], table
[i
].funcname
) == 0)
583 return table
[i
].fn(c
, argc
-1, argv
+1);
587 if (c
->display_usage
== false) {
588 d_fprintf(stderr
, _("Invalid command: %s %s\n"), whoami
,
589 (argc
> 0)?argv
[0]:"");
591 d_printf(_("Usage:\n"));
592 for (i
=0; table
[i
].funcname
!= NULL
; i
++) {
593 if(c
->display_usage
== false)
594 d_printf("%s %-15s %s\n", whoami
, table
[i
].funcname
,
595 _(table
[i
].description
));
597 d_printf("%s\n", _(table
[i
].usage
));
600 return c
->display_usage
?0:-1;
603 void net_display_usage_from_functable(struct functable
*table
)
606 for (i
=0; table
[i
].funcname
!= NULL
; i
++) {
607 d_printf("%s\n", _(table
[i
].usage
));
611 const char *net_share_type_str(int num_type
)
614 case 0: return _("Disk");
615 case 1: return _("Print");
616 case 2: return _("Dev");
617 case 3: return _("IPC");
618 default: return _("Unknown");
622 NTSTATUS
net_scan_dc(struct net_context
*c
,
623 struct cli_state
*cli
,
624 struct net_dc_info
*dc_info
)
626 TALLOC_CTX
*mem_ctx
= talloc_tos();
627 struct rpc_pipe_client
*dssetup_pipe
= NULL
;
628 union dssetup_DsRoleInfo info
;
631 ZERO_STRUCTP(dc_info
);
633 status
= cli_rpc_pipe_open_noauth(cli
, &ndr_table_dssetup
.syntax_id
,
635 if (!NT_STATUS_IS_OK(status
)) {
639 status
= rpccli_dssetup_DsRoleGetPrimaryDomainInformation(dssetup_pipe
, mem_ctx
,
640 DS_ROLE_BASIC_INFORMATION
,
643 TALLOC_FREE(dssetup_pipe
);
645 if (!NT_STATUS_IS_OK(status
)) {
649 dc_info
->is_dc
= (info
.basic
.role
& (DS_ROLE_PRIMARY_DC
|DS_ROLE_BACKUP_DC
));
650 dc_info
->is_pdc
= (info
.basic
.role
& DS_ROLE_PRIMARY_DC
);
651 dc_info
->is_ad
= (info
.basic
.flags
& DS_ROLE_PRIMARY_DS_RUNNING
);
652 dc_info
->is_mixed_mode
= (info
.basic
.flags
& DS_ROLE_PRIMARY_DS_MIXED_MODE
);
653 dc_info
->netbios_domain_name
= talloc_strdup(mem_ctx
, info
.basic
.domain
);
654 dc_info
->dns_domain_name
= talloc_strdup(mem_ctx
, info
.basic
.dns_domain
);
655 dc_info
->forest_name
= talloc_strdup(mem_ctx
, info
.basic
.forest
);