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"
29 NTSTATUS
net_rpc_lookup_name(struct net_context
*c
,
30 TALLOC_CTX
*mem_ctx
, struct cli_state
*cli
,
31 const char *name
, const char **ret_domain
,
32 const char **ret_name
, struct dom_sid
*ret_sid
,
33 enum lsa_SidType
*ret_type
)
35 struct rpc_pipe_client
*lsa_pipe
= NULL
;
36 struct policy_handle pol
;
37 NTSTATUS result
= NT_STATUS_OK
;
38 const char **dom_names
;
40 enum lsa_SidType
*types
;
44 result
= cli_rpc_pipe_open_noauth(cli
, &ndr_table_lsarpc
.syntax_id
,
46 if (!NT_STATUS_IS_OK(result
)) {
47 d_fprintf(stderr
, _("Could not initialise lsa pipe\n"));
51 result
= rpccli_lsa_open_policy(lsa_pipe
, mem_ctx
, false,
52 SEC_FLAG_MAXIMUM_ALLOWED
,
54 if (!NT_STATUS_IS_OK(result
)) {
55 d_fprintf(stderr
, "open_policy %s: %s\n", _("failed"),
60 result
= rpccli_lsa_lookup_names(lsa_pipe
, mem_ctx
, &pol
, 1,
61 &name
, &dom_names
, 1, &sids
, &types
);
63 if (!NT_STATUS_IS_OK(result
)) {
64 /* This can happen easily, don't log an error */
68 if (ret_domain
!= NULL
) {
69 *ret_domain
= dom_names
[0];
71 if (ret_name
!= NULL
) {
72 *ret_name
= talloc_strdup(mem_ctx
, name
);
74 if (ret_sid
!= NULL
) {
75 sid_copy(ret_sid
, &sids
[0]);
77 if (ret_type
!= NULL
) {
82 if (is_valid_policy_hnd(&pol
)) {
83 rpccli_lsa_Close(lsa_pipe
, mem_ctx
, &pol
);
85 TALLOC_FREE(lsa_pipe
);
90 /****************************************************************************
91 Connect to \\server\service.
92 ****************************************************************************/
94 NTSTATUS
connect_to_service(struct net_context
*c
,
95 struct cli_state
**cli_ctx
,
96 struct sockaddr_storage
*server_ss
,
97 const char *server_name
,
98 const char *service_name
,
99 const char *service_type
)
104 c
->opt_password
= net_prompt_pass(c
, c
->opt_user_name
);
106 if (c
->opt_kerberos
) {
107 flags
|= CLI_FULL_CONNECTION_USE_KERBEROS
;
110 if (c
->opt_kerberos
&& c
->opt_password
) {
111 flags
|= CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS
;
115 flags
|= CLI_FULL_CONNECTION_USE_CCACHE
;
118 nt_status
= cli_full_connection(cli_ctx
, NULL
, server_name
,
119 server_ss
, c
->opt_port
,
120 service_name
, service_type
,
121 c
->opt_user_name
, c
->opt_workgroup
,
122 c
->opt_password
, flags
, Undefined
, NULL
);
123 if (!NT_STATUS_IS_OK(nt_status
)) {
124 d_fprintf(stderr
, _("Could not connect to server %s\n"),
127 /* Display a nicer message depending on the result */
129 if (NT_STATUS_V(nt_status
) ==
130 NT_STATUS_V(NT_STATUS_LOGON_FAILURE
))
132 _("The username or password was not "
135 if (NT_STATUS_V(nt_status
) ==
136 NT_STATUS_V(NT_STATUS_ACCOUNT_LOCKED_OUT
))
137 d_fprintf(stderr
, _("The account was locked out.\n"));
139 if (NT_STATUS_V(nt_status
) ==
140 NT_STATUS_V(NT_STATUS_ACCOUNT_DISABLED
))
141 d_fprintf(stderr
, _("The account was disabled.\n"));
145 if (c
->smb_encrypt
) {
146 nt_status
= cli_force_encryption(*cli_ctx
,
151 if (NT_STATUS_EQUAL(nt_status
,NT_STATUS_NOT_SUPPORTED
)) {
152 d_printf(_("Encryption required and "
153 "server that doesn't support "
154 "UNIX extensions - failing connect\n"));
155 } else if (NT_STATUS_EQUAL(nt_status
,NT_STATUS_UNKNOWN_REVISION
)) {
156 d_printf(_("Encryption required and "
157 "can't get UNIX CIFS extensions "
158 "version from server.\n"));
159 } else if (NT_STATUS_EQUAL(nt_status
,NT_STATUS_UNSUPPORTED_COMPRESSION
)) {
160 d_printf(_("Encryption required and "
161 "share %s doesn't support "
162 "encryption.\n"), service_name
);
163 } else if (!NT_STATUS_IS_OK(nt_status
)) {
164 d_printf(_("Encryption required and "
165 "setup failed with error %s.\n"),
166 nt_errstr(nt_status
));
169 if (!NT_STATUS_IS_OK(nt_status
)) {
170 cli_shutdown(*cli_ctx
);
178 /****************************************************************************
179 Connect to \\server\ipc$.
180 ****************************************************************************/
182 NTSTATUS
connect_to_ipc(struct net_context
*c
,
183 struct cli_state
**cli_ctx
,
184 struct sockaddr_storage
*server_ss
,
185 const char *server_name
)
187 return connect_to_service(c
, cli_ctx
, server_ss
, server_name
, "IPC$",
191 /****************************************************************************
192 Connect to \\server\ipc$ anonymously.
193 ****************************************************************************/
195 NTSTATUS
connect_to_ipc_anonymous(struct net_context
*c
,
196 struct cli_state
**cli_ctx
,
197 struct sockaddr_storage
*server_ss
,
198 const char *server_name
)
202 nt_status
= cli_full_connection(cli_ctx
, c
->opt_requester_name
,
203 server_name
, server_ss
, c
->opt_port
,
206 "", 0, Undefined
, NULL
);
208 if (NT_STATUS_IS_OK(nt_status
)) {
211 DEBUG(1,("Cannot connect to server (anonymously). Error was %s\n", nt_errstr(nt_status
)));
216 /****************************************************************************
217 Return malloced user@realm for krb5 login.
218 ****************************************************************************/
220 static char *get_user_and_realm(const char *username
)
222 char *user_and_realm
= NULL
;
227 if (strchr_m(username
, '@')) {
228 user_and_realm
= SMB_STRDUP(username
);
230 if (asprintf(&user_and_realm
, "%s@%s", username
, lp_realm()) == -1) {
231 user_and_realm
= NULL
;
234 return user_and_realm
;
237 /****************************************************************************
238 Connect to \\server\ipc$ using KRB5.
239 ****************************************************************************/
241 NTSTATUS
connect_to_ipc_krb5(struct net_context
*c
,
242 struct cli_state
**cli_ctx
,
243 struct sockaddr_storage
*server_ss
,
244 const char *server_name
)
247 char *user_and_realm
= NULL
;
249 /* FIXME: Should get existing kerberos ticket if possible. */
250 c
->opt_password
= net_prompt_pass(c
, c
->opt_user_name
);
251 if (!c
->opt_password
) {
252 return NT_STATUS_NO_MEMORY
;
255 user_and_realm
= get_user_and_realm(c
->opt_user_name
);
256 if (!user_and_realm
) {
257 return NT_STATUS_NO_MEMORY
;
260 nt_status
= cli_full_connection(cli_ctx
, NULL
, server_name
,
261 server_ss
, c
->opt_port
,
263 user_and_realm
, c
->opt_workgroup
,
265 CLI_FULL_CONNECTION_USE_KERBEROS
,
268 SAFE_FREE(user_and_realm
);
270 if (!NT_STATUS_IS_OK(nt_status
)) {
271 DEBUG(1,("Cannot connect to server using kerberos. Error was %s\n", nt_errstr(nt_status
)));
275 if (c
->smb_encrypt
) {
276 nt_status
= cli_cm_force_encryption(*cli_ctx
,
281 if (!NT_STATUS_IS_OK(nt_status
)) {
282 cli_shutdown(*cli_ctx
);
291 * Connect a server and open a given pipe
293 * @param cli_dst A cli_state
294 * @param pipe The pipe to open
295 * @param got_pipe boolean that stores if we got a pipe
297 * @return Normal NTSTATUS return.
299 NTSTATUS
connect_dst_pipe(struct net_context
*c
, struct cli_state
**cli_dst
,
300 struct rpc_pipe_client
**pp_pipe_hnd
,
301 const struct ndr_syntax_id
*interface
)
304 char *server_name
= SMB_STRDUP("127.0.0.1");
305 struct cli_state
*cli_tmp
= NULL
;
306 struct rpc_pipe_client
*pipe_hnd
= NULL
;
308 if (server_name
== NULL
) {
309 return NT_STATUS_NO_MEMORY
;
312 if (c
->opt_destination
) {
313 SAFE_FREE(server_name
);
314 if ((server_name
= SMB_STRDUP(c
->opt_destination
)) == NULL
) {
315 return NT_STATUS_NO_MEMORY
;
319 /* make a connection to a named pipe */
320 nt_status
= connect_to_ipc(c
, &cli_tmp
, NULL
, server_name
);
321 if (!NT_STATUS_IS_OK(nt_status
)) {
322 SAFE_FREE(server_name
);
326 nt_status
= cli_rpc_pipe_open_noauth(cli_tmp
, interface
,
328 if (!NT_STATUS_IS_OK(nt_status
)) {
329 DEBUG(0, ("couldn't not initialize pipe\n"));
330 cli_shutdown(cli_tmp
);
331 SAFE_FREE(server_name
);
336 *pp_pipe_hnd
= pipe_hnd
;
337 SAFE_FREE(server_name
);
342 /****************************************************************************
343 Use the local machine account (krb) and password for this session.
344 ****************************************************************************/
346 int net_use_krb_machine_account(struct net_context
*c
)
348 char *user_name
= NULL
;
350 if (!secrets_init()) {
351 d_fprintf(stderr
,_("ERROR: Unable to open secrets database\n"));
355 c
->opt_password
= secrets_fetch_machine_password(
356 c
->opt_target_workgroup
, NULL
, NULL
);
357 if (asprintf(&user_name
, "%s$@%s", global_myname(), lp_realm()) == -1) {
360 c
->opt_user_name
= user_name
;
364 /****************************************************************************
365 Use the machine account name and password for this session.
366 ****************************************************************************/
368 int net_use_machine_account(struct net_context
*c
)
370 char *user_name
= NULL
;
372 if (!secrets_init()) {
373 d_fprintf(stderr
,_("ERROR: Unable to open secrets database\n"));
377 c
->opt_password
= secrets_fetch_machine_password(
378 c
->opt_target_workgroup
, NULL
, NULL
);
379 if (asprintf(&user_name
, "%s$", global_myname()) == -1) {
382 c
->opt_user_name
= user_name
;
386 bool net_find_server(struct net_context
*c
,
389 struct sockaddr_storage
*server_ss
,
392 const char *d
= domain
? domain
: c
->opt_target_workgroup
;
395 *server_name
= SMB_STRDUP(c
->opt_host
);
398 if (c
->opt_have_ip
) {
399 *server_ss
= c
->opt_dest_ip
;
401 char addr
[INET6_ADDRSTRLEN
];
402 print_sockaddr(addr
, sizeof(addr
), &c
->opt_dest_ip
);
403 *server_name
= SMB_STRDUP(addr
);
405 } else if (*server_name
) {
406 /* resolve the IP address */
407 if (!resolve_name(*server_name
, server_ss
, 0x20, false)) {
408 DEBUG(1,("Unable to resolve server name\n"));
411 } else if (flags
& NET_FLAGS_PDC
) {
413 struct sockaddr_storage pdc_ss
;
415 if (!get_pdc_ip(d
, &pdc_ss
)) {
416 DEBUG(1,("Unable to resolve PDC server address\n"));
420 if (is_zero_addr((struct sockaddr
*)&pdc_ss
)) {
424 if (!name_status_find(d
, 0x1b, 0x20, &pdc_ss
, dc_name
)) {
428 *server_name
= SMB_STRDUP(dc_name
);
430 } else if (flags
& NET_FLAGS_DMB
) {
431 struct sockaddr_storage msbrow_ss
;
432 char addr
[INET6_ADDRSTRLEN
];
434 /* if (!resolve_name(MSBROWSE, &msbrow_ip, 1, false)) */
435 if (!resolve_name(d
, &msbrow_ss
, 0x1B, false)) {
436 DEBUG(1,("Unable to resolve domain browser via name lookup\n"));
439 *server_ss
= msbrow_ss
;
440 print_sockaddr(addr
, sizeof(addr
), server_ss
);
441 *server_name
= SMB_STRDUP(addr
);
442 } else if (flags
& NET_FLAGS_MASTER
) {
443 struct sockaddr_storage brow_ss
;
444 char addr
[INET6_ADDRSTRLEN
];
445 if (!resolve_name(d
, &brow_ss
, 0x1D, false)) {
446 /* go looking for workgroups */
447 DEBUG(1,("Unable to resolve master browser via name lookup\n"));
450 *server_ss
= brow_ss
;
451 print_sockaddr(addr
, sizeof(addr
), server_ss
);
452 *server_name
= SMB_STRDUP(addr
);
453 } else if (!(flags
& NET_FLAGS_LOCALHOST_DEFAULT_INSANE
)) {
454 if (!interpret_string_addr(server_ss
,
455 "127.0.0.1", AI_NUMERICHOST
)) {
456 DEBUG(1,("Unable to resolve 127.0.0.1\n"));
459 *server_name
= SMB_STRDUP("127.0.0.1");
463 DEBUG(1,("no server to connect to\n"));
470 bool net_find_pdc(struct sockaddr_storage
*server_ss
,
472 const char *domain_name
)
474 if (!get_pdc_ip(domain_name
, server_ss
)) {
477 if (is_zero_addr((struct sockaddr
*)server_ss
)) {
481 if (!name_status_find(domain_name
, 0x1b, 0x20, server_ss
, server_name
)) {
488 NTSTATUS
net_make_ipc_connection(struct net_context
*c
, unsigned flags
,
489 struct cli_state
**pcli
)
491 return net_make_ipc_connection_ex(c
, c
->opt_workgroup
, NULL
, NULL
, flags
, pcli
);
494 NTSTATUS
net_make_ipc_connection_ex(struct net_context
*c
,const char *domain
,
496 struct sockaddr_storage
*pss
,
497 unsigned flags
, struct cli_state
**pcli
)
499 char *server_name
= NULL
;
500 struct sockaddr_storage server_ss
;
501 struct cli_state
*cli
= NULL
;
504 if ( !server
|| !pss
) {
505 if (!net_find_server(c
, domain
, flags
, &server_ss
,
507 d_fprintf(stderr
, _("Unable to find a suitable server "
508 "for domain %s\n"), domain
);
509 nt_status
= NT_STATUS_UNSUCCESSFUL
;
513 server_name
= SMB_STRDUP( server
);
517 if (flags
& NET_FLAGS_ANONYMOUS
) {
518 nt_status
= connect_to_ipc_anonymous(c
, &cli
, &server_ss
,
521 nt_status
= connect_to_ipc(c
, &cli
, &server_ss
,
525 /* store the server in the affinity cache if it was a PDC */
527 if ( (flags
& NET_FLAGS_PDC
) && NT_STATUS_IS_OK(nt_status
) )
528 saf_store( cli
->server_domain
, cli
->desthost
);
530 SAFE_FREE(server_name
);
531 if (!NT_STATUS_IS_OK(nt_status
)) {
532 d_fprintf(stderr
, _("Connection failed: %s\n"),
533 nt_errstr(nt_status
));
535 } else if (c
->opt_request_timeout
) {
536 cli_set_timeout(cli
, c
->opt_request_timeout
* 1000);
546 /****************************************************************************
547 ****************************************************************************/
549 const char *net_prompt_pass(struct net_context
*c
, const char *user
)
552 const char *pass
= NULL
;
554 if (c
->opt_password
) {
555 return c
->opt_password
;
558 if (c
->opt_machine_pass
) {
562 if (c
->opt_kerberos
&& !c
->opt_user_specified
) {
566 if (asprintf(&prompt
, _("Enter %s's password:"), user
) == -1) {
570 pass
= getpass(prompt
);
576 int net_run_function(struct net_context
*c
, int argc
, const char **argv
,
577 const char *whoami
, struct functable
*table
)
582 for (i
=0; table
[i
].funcname
!= NULL
; i
++) {
583 if (StrCaseCmp(argv
[0], table
[i
].funcname
) == 0)
584 return table
[i
].fn(c
, argc
-1, argv
+1);
588 if (c
->display_usage
== false) {
589 d_fprintf(stderr
, _("Invalid command: %s %s\n"), whoami
,
590 (argc
> 0)?argv
[0]:"");
592 d_printf(_("Usage:\n"));
593 for (i
=0; table
[i
].funcname
!= NULL
; i
++) {
594 if(c
->display_usage
== false)
595 d_printf("%s %-15s %s\n", whoami
, table
[i
].funcname
,
596 _(table
[i
].description
));
598 d_printf("%s\n", _(table
[i
].usage
));
601 return c
->display_usage
?0:-1;
604 void net_display_usage_from_functable(struct functable
*table
)
607 for (i
=0; table
[i
].funcname
!= NULL
; i
++) {
608 d_printf("%s\n", _(table
[i
].usage
));
612 const char *net_share_type_str(int num_type
)
615 case 0: return _("Disk");
616 case 1: return _("Print");
617 case 2: return _("Dev");
618 case 3: return _("IPC");
619 default: return _("Unknown");
623 NTSTATUS
net_scan_dc(struct net_context
*c
,
624 struct cli_state
*cli
,
625 struct net_dc_info
*dc_info
)
627 TALLOC_CTX
*mem_ctx
= talloc_tos();
628 struct rpc_pipe_client
*dssetup_pipe
= NULL
;
629 union dssetup_DsRoleInfo info
;
632 ZERO_STRUCTP(dc_info
);
634 status
= cli_rpc_pipe_open_noauth(cli
, &ndr_table_dssetup
.syntax_id
,
636 if (!NT_STATUS_IS_OK(status
)) {
640 status
= rpccli_dssetup_DsRoleGetPrimaryDomainInformation(dssetup_pipe
, mem_ctx
,
641 DS_ROLE_BASIC_INFORMATION
,
644 TALLOC_FREE(dssetup_pipe
);
646 if (!NT_STATUS_IS_OK(status
)) {
650 dc_info
->is_dc
= (info
.basic
.role
& (DS_ROLE_PRIMARY_DC
|DS_ROLE_BACKUP_DC
));
651 dc_info
->is_pdc
= (info
.basic
.role
& DS_ROLE_PRIMARY_DC
);
652 dc_info
->is_ad
= (info
.basic
.flags
& DS_ROLE_PRIMARY_DS_RUNNING
);
653 dc_info
->is_mixed_mode
= (info
.basic
.flags
& DS_ROLE_PRIMARY_DS_MIXED_MODE
);
654 dc_info
->netbios_domain_name
= talloc_strdup(mem_ctx
, info
.basic
.domain
);
655 dc_info
->dns_domain_name
= talloc_strdup(mem_ctx
, info
.basic
.dns_domain
);
656 dc_info
->forest_name
= talloc_strdup(mem_ctx
, info
.basic
.forest
);