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"
31 NTSTATUS
net_rpc_lookup_name(struct net_context
*c
,
32 TALLOC_CTX
*mem_ctx
, struct cli_state
*cli
,
33 const char *name
, const char **ret_domain
,
34 const char **ret_name
, struct dom_sid
*ret_sid
,
35 enum lsa_SidType
*ret_type
)
37 struct rpc_pipe_client
*lsa_pipe
= NULL
;
38 struct policy_handle pol
;
39 NTSTATUS status
, result
;
40 const char **dom_names
;
42 enum lsa_SidType
*types
;
43 struct dcerpc_binding_handle
*b
;
47 status
= cli_rpc_pipe_open_noauth(cli
, &ndr_table_lsarpc
.syntax_id
,
49 if (!NT_STATUS_IS_OK(status
)) {
50 d_fprintf(stderr
, _("Could not initialise lsa pipe\n"));
54 b
= lsa_pipe
->binding_handle
;
56 status
= rpccli_lsa_open_policy(lsa_pipe
, mem_ctx
, false,
57 SEC_FLAG_MAXIMUM_ALLOWED
,
59 if (!NT_STATUS_IS_OK(status
)) {
60 d_fprintf(stderr
, "open_policy %s: %s\n", _("failed"),
65 status
= rpccli_lsa_lookup_names(lsa_pipe
, mem_ctx
, &pol
, 1,
66 &name
, &dom_names
, 1, &sids
, &types
);
68 if (!NT_STATUS_IS_OK(status
)) {
69 /* This can happen easily, don't log an error */
73 if (ret_domain
!= NULL
) {
74 *ret_domain
= dom_names
[0];
76 if (ret_name
!= NULL
) {
77 *ret_name
= talloc_strdup(mem_ctx
, name
);
79 if (ret_sid
!= NULL
) {
80 sid_copy(ret_sid
, &sids
[0]);
82 if (ret_type
!= NULL
) {
87 if (is_valid_policy_hnd(&pol
)) {
88 dcerpc_lsa_Close(b
, mem_ctx
, &pol
, &result
);
90 TALLOC_FREE(lsa_pipe
);
95 /****************************************************************************
96 Connect to \\server\service.
97 ****************************************************************************/
99 NTSTATUS
connect_to_service(struct net_context
*c
,
100 struct cli_state
**cli_ctx
,
101 struct sockaddr_storage
*server_ss
,
102 const char *server_name
,
103 const char *service_name
,
104 const char *service_type
)
109 c
->opt_password
= net_prompt_pass(c
, c
->opt_user_name
);
111 if (c
->opt_kerberos
) {
112 flags
|= CLI_FULL_CONNECTION_USE_KERBEROS
;
115 if (c
->opt_kerberos
&& c
->opt_password
) {
116 flags
|= CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS
;
120 flags
|= CLI_FULL_CONNECTION_USE_CCACHE
;
123 nt_status
= cli_full_connection(cli_ctx
, NULL
, server_name
,
124 server_ss
, c
->opt_port
,
125 service_name
, service_type
,
126 c
->opt_user_name
, c
->opt_workgroup
,
127 c
->opt_password
, flags
, Undefined
);
128 if (!NT_STATUS_IS_OK(nt_status
)) {
129 d_fprintf(stderr
, _("Could not connect to server %s\n"),
132 /* Display a nicer message depending on the result */
134 if (NT_STATUS_V(nt_status
) ==
135 NT_STATUS_V(NT_STATUS_LOGON_FAILURE
))
137 _("The username or password was not "
140 if (NT_STATUS_V(nt_status
) ==
141 NT_STATUS_V(NT_STATUS_ACCOUNT_LOCKED_OUT
))
142 d_fprintf(stderr
, _("The account was locked out.\n"));
144 if (NT_STATUS_V(nt_status
) ==
145 NT_STATUS_V(NT_STATUS_ACCOUNT_DISABLED
))
146 d_fprintf(stderr
, _("The account was disabled.\n"));
150 if (c
->smb_encrypt
) {
151 nt_status
= cli_force_encryption(*cli_ctx
,
156 if (NT_STATUS_EQUAL(nt_status
,NT_STATUS_NOT_SUPPORTED
)) {
157 d_printf(_("Encryption required and "
158 "server that doesn't support "
159 "UNIX extensions - failing connect\n"));
160 } else if (NT_STATUS_EQUAL(nt_status
,NT_STATUS_UNKNOWN_REVISION
)) {
161 d_printf(_("Encryption required and "
162 "can't get UNIX CIFS extensions "
163 "version from server.\n"));
164 } else if (NT_STATUS_EQUAL(nt_status
,NT_STATUS_UNSUPPORTED_COMPRESSION
)) {
165 d_printf(_("Encryption required and "
166 "share %s doesn't support "
167 "encryption.\n"), service_name
);
168 } else if (!NT_STATUS_IS_OK(nt_status
)) {
169 d_printf(_("Encryption required and "
170 "setup failed with error %s.\n"),
171 nt_errstr(nt_status
));
174 if (!NT_STATUS_IS_OK(nt_status
)) {
175 cli_shutdown(*cli_ctx
);
183 /****************************************************************************
184 Connect to \\server\ipc$.
185 ****************************************************************************/
187 NTSTATUS
connect_to_ipc(struct net_context
*c
,
188 struct cli_state
**cli_ctx
,
189 struct sockaddr_storage
*server_ss
,
190 const char *server_name
)
192 return connect_to_service(c
, cli_ctx
, server_ss
, server_name
, "IPC$",
196 /****************************************************************************
197 Connect to \\server\ipc$ anonymously.
198 ****************************************************************************/
200 NTSTATUS
connect_to_ipc_anonymous(struct net_context
*c
,
201 struct cli_state
**cli_ctx
,
202 struct sockaddr_storage
*server_ss
,
203 const char *server_name
)
207 nt_status
= cli_full_connection(cli_ctx
, c
->opt_requester_name
,
208 server_name
, server_ss
, c
->opt_port
,
213 if (NT_STATUS_IS_OK(nt_status
)) {
216 DEBUG(1,("Cannot connect to server (anonymously). Error was %s\n", nt_errstr(nt_status
)));
221 /****************************************************************************
222 Return malloced user@realm for krb5 login.
223 ****************************************************************************/
225 static char *get_user_and_realm(const char *username
)
227 char *user_and_realm
= NULL
;
232 if (strchr_m(username
, '@')) {
233 user_and_realm
= SMB_STRDUP(username
);
235 if (asprintf(&user_and_realm
, "%s@%s", username
, lp_realm()) == -1) {
236 user_and_realm
= NULL
;
239 return user_and_realm
;
242 /****************************************************************************
243 Connect to \\server\ipc$ using KRB5.
244 ****************************************************************************/
246 NTSTATUS
connect_to_ipc_krb5(struct net_context
*c
,
247 struct cli_state
**cli_ctx
,
248 struct sockaddr_storage
*server_ss
,
249 const char *server_name
)
252 char *user_and_realm
= NULL
;
254 /* FIXME: Should get existing kerberos ticket if possible. */
255 c
->opt_password
= net_prompt_pass(c
, c
->opt_user_name
);
256 if (!c
->opt_password
) {
257 return NT_STATUS_NO_MEMORY
;
260 user_and_realm
= get_user_and_realm(c
->opt_user_name
);
261 if (!user_and_realm
) {
262 return NT_STATUS_NO_MEMORY
;
265 nt_status
= cli_full_connection(cli_ctx
, NULL
, server_name
,
266 server_ss
, c
->opt_port
,
268 user_and_realm
, c
->opt_workgroup
,
270 CLI_FULL_CONNECTION_USE_KERBEROS
,
273 SAFE_FREE(user_and_realm
);
275 if (!NT_STATUS_IS_OK(nt_status
)) {
276 DEBUG(1,("Cannot connect to server using kerberos. Error was %s\n", nt_errstr(nt_status
)));
280 if (c
->smb_encrypt
) {
281 nt_status
= cli_cm_force_encryption(*cli_ctx
,
286 if (!NT_STATUS_IS_OK(nt_status
)) {
287 cli_shutdown(*cli_ctx
);
296 * Connect a server and open a given pipe
298 * @param cli_dst A cli_state
299 * @param pipe The pipe to open
300 * @param got_pipe boolean that stores if we got a pipe
302 * @return Normal NTSTATUS return.
304 NTSTATUS
connect_dst_pipe(struct net_context
*c
, struct cli_state
**cli_dst
,
305 struct rpc_pipe_client
**pp_pipe_hnd
,
306 const struct ndr_syntax_id
*interface
)
309 char *server_name
= SMB_STRDUP("127.0.0.1");
310 struct cli_state
*cli_tmp
= NULL
;
311 struct rpc_pipe_client
*pipe_hnd
= NULL
;
313 if (server_name
== NULL
) {
314 return NT_STATUS_NO_MEMORY
;
317 if (c
->opt_destination
) {
318 SAFE_FREE(server_name
);
319 if ((server_name
= SMB_STRDUP(c
->opt_destination
)) == NULL
) {
320 return NT_STATUS_NO_MEMORY
;
324 /* make a connection to a named pipe */
325 nt_status
= connect_to_ipc(c
, &cli_tmp
, NULL
, server_name
);
326 if (!NT_STATUS_IS_OK(nt_status
)) {
327 SAFE_FREE(server_name
);
331 nt_status
= cli_rpc_pipe_open_noauth(cli_tmp
, interface
,
333 if (!NT_STATUS_IS_OK(nt_status
)) {
334 DEBUG(0, ("couldn't not initialize pipe\n"));
335 cli_shutdown(cli_tmp
);
336 SAFE_FREE(server_name
);
341 *pp_pipe_hnd
= pipe_hnd
;
342 SAFE_FREE(server_name
);
347 /****************************************************************************
348 Use the local machine account (krb) and password for this session.
349 ****************************************************************************/
351 int net_use_krb_machine_account(struct net_context
*c
)
353 char *user_name
= NULL
;
355 if (!secrets_init()) {
356 d_fprintf(stderr
,_("ERROR: Unable to open secrets database\n"));
360 c
->opt_password
= secrets_fetch_machine_password(
361 c
->opt_target_workgroup
, NULL
, NULL
);
362 if (asprintf(&user_name
, "%s$@%s", global_myname(), lp_realm()) == -1) {
365 c
->opt_user_name
= user_name
;
369 /****************************************************************************
370 Use the machine account name and password for this session.
371 ****************************************************************************/
373 int net_use_machine_account(struct net_context
*c
)
375 char *user_name
= NULL
;
377 if (!secrets_init()) {
378 d_fprintf(stderr
,_("ERROR: Unable to open secrets database\n"));
382 c
->opt_password
= secrets_fetch_machine_password(
383 c
->opt_target_workgroup
, NULL
, NULL
);
384 if (asprintf(&user_name
, "%s$", global_myname()) == -1) {
387 c
->opt_user_name
= user_name
;
391 bool net_find_server(struct net_context
*c
,
394 struct sockaddr_storage
*server_ss
,
397 const char *d
= domain
? domain
: c
->opt_target_workgroup
;
400 *server_name
= SMB_STRDUP(c
->opt_host
);
403 if (c
->opt_have_ip
) {
404 *server_ss
= c
->opt_dest_ip
;
406 char addr
[INET6_ADDRSTRLEN
];
407 print_sockaddr(addr
, sizeof(addr
), &c
->opt_dest_ip
);
408 *server_name
= SMB_STRDUP(addr
);
410 } else if (*server_name
) {
411 /* resolve the IP address */
412 if (!resolve_name(*server_name
, server_ss
, 0x20, false)) {
413 DEBUG(1,("Unable to resolve server name\n"));
416 } else if (flags
& NET_FLAGS_PDC
) {
418 struct sockaddr_storage pdc_ss
;
420 if (!get_pdc_ip(d
, &pdc_ss
)) {
421 DEBUG(1,("Unable to resolve PDC server address\n"));
425 if (is_zero_addr(&pdc_ss
)) {
429 if (!name_status_find(d
, 0x1b, 0x20, &pdc_ss
, dc_name
)) {
433 *server_name
= SMB_STRDUP(dc_name
);
435 } else if (flags
& NET_FLAGS_DMB
) {
436 struct sockaddr_storage msbrow_ss
;
437 char addr
[INET6_ADDRSTRLEN
];
439 /* if (!resolve_name(MSBROWSE, &msbrow_ip, 1, false)) */
440 if (!resolve_name(d
, &msbrow_ss
, 0x1B, false)) {
441 DEBUG(1,("Unable to resolve domain browser via name lookup\n"));
444 *server_ss
= msbrow_ss
;
445 print_sockaddr(addr
, sizeof(addr
), server_ss
);
446 *server_name
= SMB_STRDUP(addr
);
447 } else if (flags
& NET_FLAGS_MASTER
) {
448 struct sockaddr_storage brow_ss
;
449 char addr
[INET6_ADDRSTRLEN
];
450 if (!resolve_name(d
, &brow_ss
, 0x1D, false)) {
451 /* go looking for workgroups */
452 DEBUG(1,("Unable to resolve master browser via name lookup\n"));
455 *server_ss
= brow_ss
;
456 print_sockaddr(addr
, sizeof(addr
), server_ss
);
457 *server_name
= SMB_STRDUP(addr
);
458 } else if (!(flags
& NET_FLAGS_LOCALHOST_DEFAULT_INSANE
)) {
459 if (!interpret_string_addr(server_ss
,
460 "127.0.0.1", AI_NUMERICHOST
)) {
461 DEBUG(1,("Unable to resolve 127.0.0.1\n"));
464 *server_name
= SMB_STRDUP("127.0.0.1");
468 DEBUG(1,("no server to connect to\n"));
475 bool net_find_pdc(struct sockaddr_storage
*server_ss
,
477 const char *domain_name
)
479 if (!get_pdc_ip(domain_name
, server_ss
)) {
482 if (is_zero_addr(server_ss
)) {
486 if (!name_status_find(domain_name
, 0x1b, 0x20, server_ss
, server_name
)) {
493 NTSTATUS
net_make_ipc_connection(struct net_context
*c
, unsigned flags
,
494 struct cli_state
**pcli
)
496 return net_make_ipc_connection_ex(c
, c
->opt_workgroup
, NULL
, NULL
, flags
, pcli
);
499 NTSTATUS
net_make_ipc_connection_ex(struct net_context
*c
,const char *domain
,
501 struct sockaddr_storage
*pss
,
502 unsigned flags
, struct cli_state
**pcli
)
504 char *server_name
= NULL
;
505 struct sockaddr_storage server_ss
;
506 struct cli_state
*cli
= NULL
;
509 if ( !server
|| !pss
) {
510 if (!net_find_server(c
, domain
, flags
, &server_ss
,
512 d_fprintf(stderr
, _("Unable to find a suitable server "
513 "for domain %s\n"), domain
);
514 nt_status
= NT_STATUS_UNSUCCESSFUL
;
518 server_name
= SMB_STRDUP( server
);
522 if (flags
& NET_FLAGS_ANONYMOUS
) {
523 nt_status
= connect_to_ipc_anonymous(c
, &cli
, &server_ss
,
526 nt_status
= connect_to_ipc(c
, &cli
, &server_ss
,
530 /* store the server in the affinity cache if it was a PDC */
532 if ( (flags
& NET_FLAGS_PDC
) && NT_STATUS_IS_OK(nt_status
) )
533 saf_store( cli
->server_domain
, cli
->desthost
);
535 SAFE_FREE(server_name
);
536 if (!NT_STATUS_IS_OK(nt_status
)) {
537 d_fprintf(stderr
, _("Connection failed: %s\n"),
538 nt_errstr(nt_status
));
540 } else if (c
->opt_request_timeout
) {
541 cli_set_timeout(cli
, c
->opt_request_timeout
* 1000);
551 /****************************************************************************
552 ****************************************************************************/
554 const char *net_prompt_pass(struct net_context
*c
, const char *user
)
557 const char *pass
= NULL
;
559 if (c
->opt_password
) {
560 return c
->opt_password
;
563 if (c
->opt_machine_pass
) {
567 if (c
->opt_kerberos
&& !c
->opt_user_specified
) {
571 if (asprintf(&prompt
, _("Enter %s's password:"), user
) == -1) {
575 pass
= getpass(prompt
);
581 int net_run_function(struct net_context
*c
, int argc
, const char **argv
,
582 const char *whoami
, struct functable
*table
)
587 for (i
=0; table
[i
].funcname
!= NULL
; i
++) {
588 if (StrCaseCmp(argv
[0], table
[i
].funcname
) == 0)
589 return table
[i
].fn(c
, argc
-1, argv
+1);
593 if (c
->display_usage
== false) {
594 d_fprintf(stderr
, _("Invalid command: %s %s\n"), whoami
,
595 (argc
> 0)?argv
[0]:"");
597 d_printf(_("Usage:\n"));
598 for (i
=0; table
[i
].funcname
!= NULL
; i
++) {
599 if(c
->display_usage
== false)
600 d_printf("%s %-15s %s\n", whoami
, table
[i
].funcname
,
601 _(table
[i
].description
));
603 d_printf("%s\n", _(table
[i
].usage
));
606 return c
->display_usage
?0:-1;
609 void net_display_usage_from_functable(struct functable
*table
)
612 for (i
=0; table
[i
].funcname
!= NULL
; i
++) {
613 d_printf("%s\n", _(table
[i
].usage
));
617 const char *net_share_type_str(int num_type
)
620 case 0: return _("Disk");
621 case 1: return _("Print");
622 case 2: return _("Dev");
623 case 3: return _("IPC");
624 default: return _("Unknown");
628 static NTSTATUS
net_scan_dc_noad(struct net_context
*c
,
629 struct cli_state
*cli
,
630 struct net_dc_info
*dc_info
)
632 TALLOC_CTX
*mem_ctx
= talloc_tos();
633 struct rpc_pipe_client
*pipe_hnd
= NULL
;
634 struct dcerpc_binding_handle
*b
;
635 NTSTATUS status
, result
;
636 struct policy_handle pol
;
637 union lsa_PolicyInformation
*info
;
639 ZERO_STRUCTP(dc_info
);
642 status
= cli_rpc_pipe_open_noauth(cli
, &ndr_table_lsarpc
.syntax_id
,
644 if (!NT_STATUS_IS_OK(status
)) {
648 b
= pipe_hnd
->binding_handle
;
650 status
= dcerpc_lsa_open_policy(b
, mem_ctx
,
652 SEC_FLAG_MAXIMUM_ALLOWED
,
655 if (!NT_STATUS_IS_OK(status
)) {
658 if (!NT_STATUS_IS_OK(result
)) {
663 status
= dcerpc_lsa_QueryInfoPolicy(b
, mem_ctx
,
665 LSA_POLICY_INFO_ACCOUNT_DOMAIN
,
668 if (!NT_STATUS_IS_OK(status
)) {
671 if (!NT_STATUS_IS_OK(result
)) {
676 dc_info
->netbios_domain_name
= talloc_strdup(mem_ctx
, info
->account_domain
.name
.string
);
677 if (dc_info
->netbios_domain_name
== NULL
) {
678 status
= NT_STATUS_NO_MEMORY
;
683 if (is_valid_policy_hnd(&pol
)) {
684 dcerpc_lsa_Close(b
, mem_ctx
, &pol
, &result
);
687 TALLOC_FREE(pipe_hnd
);
692 NTSTATUS
net_scan_dc(struct net_context
*c
,
693 struct cli_state
*cli
,
694 struct net_dc_info
*dc_info
)
696 TALLOC_CTX
*mem_ctx
= talloc_tos();
697 struct rpc_pipe_client
*dssetup_pipe
= NULL
;
698 struct dcerpc_binding_handle
*dssetup_handle
= NULL
;
699 union dssetup_DsRoleInfo info
;
703 ZERO_STRUCTP(dc_info
);
705 status
= cli_rpc_pipe_open_noauth(cli
, &ndr_table_dssetup
.syntax_id
,
707 if (!NT_STATUS_IS_OK(status
)) {
708 DEBUG(10,("net_scan_dc: failed to open dssetup pipe with %s, "
709 "retrying with lsa pipe\n", nt_errstr(status
)));
710 return net_scan_dc_noad(c
, cli
, dc_info
);
712 dssetup_handle
= dssetup_pipe
->binding_handle
;
714 status
= dcerpc_dssetup_DsRoleGetPrimaryDomainInformation(dssetup_handle
, mem_ctx
,
715 DS_ROLE_BASIC_INFORMATION
,
718 TALLOC_FREE(dssetup_pipe
);
720 if (NT_STATUS_IS_OK(status
)) {
721 status
= werror_to_ntstatus(werr
);
723 if (!NT_STATUS_IS_OK(status
)) {
727 dc_info
->is_dc
= (info
.basic
.role
& (DS_ROLE_PRIMARY_DC
|DS_ROLE_BACKUP_DC
));
728 dc_info
->is_pdc
= (info
.basic
.role
& DS_ROLE_PRIMARY_DC
);
729 dc_info
->is_ad
= (info
.basic
.flags
& DS_ROLE_PRIMARY_DS_RUNNING
);
730 dc_info
->is_mixed_mode
= (info
.basic
.flags
& DS_ROLE_PRIMARY_DS_MIXED_MODE
);
731 dc_info
->netbios_domain_name
= talloc_strdup(mem_ctx
, info
.basic
.domain
);
732 dc_info
->dns_domain_name
= talloc_strdup(mem_ctx
, info
.basic
.dns_domain
);
733 dc_info
->forest_name
= talloc_strdup(mem_ctx
, info
.basic
.forest
);