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 #include "../libcli/security/security.h"
30 NTSTATUS
net_rpc_lookup_name(struct net_context
*c
,
31 TALLOC_CTX
*mem_ctx
, struct cli_state
*cli
,
32 const char *name
, const char **ret_domain
,
33 const char **ret_name
, struct dom_sid
*ret_sid
,
34 enum lsa_SidType
*ret_type
)
36 struct rpc_pipe_client
*lsa_pipe
= NULL
;
37 struct policy_handle pol
;
38 NTSTATUS result
= NT_STATUS_OK
;
39 const char **dom_names
;
41 enum lsa_SidType
*types
;
45 result
= cli_rpc_pipe_open_noauth(cli
, &ndr_table_lsarpc
.syntax_id
,
47 if (!NT_STATUS_IS_OK(result
)) {
48 d_fprintf(stderr
, _("Could not initialise lsa pipe\n"));
52 result
= rpccli_lsa_open_policy(lsa_pipe
, mem_ctx
, false,
53 SEC_FLAG_MAXIMUM_ALLOWED
,
55 if (!NT_STATUS_IS_OK(result
)) {
56 d_fprintf(stderr
, "open_policy %s: %s\n", _("failed"),
61 result
= rpccli_lsa_lookup_names(lsa_pipe
, mem_ctx
, &pol
, 1,
62 &name
, &dom_names
, 1, &sids
, &types
);
64 if (!NT_STATUS_IS_OK(result
)) {
65 /* This can happen easily, don't log an error */
69 if (ret_domain
!= NULL
) {
70 *ret_domain
= dom_names
[0];
72 if (ret_name
!= NULL
) {
73 *ret_name
= talloc_strdup(mem_ctx
, name
);
75 if (ret_sid
!= NULL
) {
76 sid_copy(ret_sid
, &sids
[0]);
78 if (ret_type
!= NULL
) {
83 if (is_valid_policy_hnd(&pol
)) {
84 rpccli_lsa_Close(lsa_pipe
, mem_ctx
, &pol
);
86 TALLOC_FREE(lsa_pipe
);
91 /****************************************************************************
92 Connect to \\server\service.
93 ****************************************************************************/
95 NTSTATUS
connect_to_service(struct net_context
*c
,
96 struct cli_state
**cli_ctx
,
97 struct sockaddr_storage
*server_ss
,
98 const char *server_name
,
99 const char *service_name
,
100 const char *service_type
)
105 c
->opt_password
= net_prompt_pass(c
, c
->opt_user_name
);
107 if (c
->opt_kerberos
) {
108 flags
|= CLI_FULL_CONNECTION_USE_KERBEROS
;
111 if (c
->opt_kerberos
&& c
->opt_password
) {
112 flags
|= CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS
;
116 flags
|= CLI_FULL_CONNECTION_USE_CCACHE
;
119 nt_status
= cli_full_connection(cli_ctx
, NULL
, server_name
,
120 server_ss
, c
->opt_port
,
121 service_name
, service_type
,
122 c
->opt_user_name
, c
->opt_workgroup
,
123 c
->opt_password
, flags
, Undefined
, NULL
);
124 if (!NT_STATUS_IS_OK(nt_status
)) {
125 d_fprintf(stderr
, _("Could not connect to server %s\n"),
128 /* Display a nicer message depending on the result */
130 if (NT_STATUS_V(nt_status
) ==
131 NT_STATUS_V(NT_STATUS_LOGON_FAILURE
))
133 _("The username or password was not "
136 if (NT_STATUS_V(nt_status
) ==
137 NT_STATUS_V(NT_STATUS_ACCOUNT_LOCKED_OUT
))
138 d_fprintf(stderr
, _("The account was locked out.\n"));
140 if (NT_STATUS_V(nt_status
) ==
141 NT_STATUS_V(NT_STATUS_ACCOUNT_DISABLED
))
142 d_fprintf(stderr
, _("The account was disabled.\n"));
146 if (c
->smb_encrypt
) {
147 nt_status
= cli_force_encryption(*cli_ctx
,
152 if (NT_STATUS_EQUAL(nt_status
,NT_STATUS_NOT_SUPPORTED
)) {
153 d_printf(_("Encryption required and "
154 "server that doesn't support "
155 "UNIX extensions - failing connect\n"));
156 } else if (NT_STATUS_EQUAL(nt_status
,NT_STATUS_UNKNOWN_REVISION
)) {
157 d_printf(_("Encryption required and "
158 "can't get UNIX CIFS extensions "
159 "version from server.\n"));
160 } else if (NT_STATUS_EQUAL(nt_status
,NT_STATUS_UNSUPPORTED_COMPRESSION
)) {
161 d_printf(_("Encryption required and "
162 "share %s doesn't support "
163 "encryption.\n"), service_name
);
164 } else if (!NT_STATUS_IS_OK(nt_status
)) {
165 d_printf(_("Encryption required and "
166 "setup failed with error %s.\n"),
167 nt_errstr(nt_status
));
170 if (!NT_STATUS_IS_OK(nt_status
)) {
171 cli_shutdown(*cli_ctx
);
179 /****************************************************************************
180 Connect to \\server\ipc$.
181 ****************************************************************************/
183 NTSTATUS
connect_to_ipc(struct net_context
*c
,
184 struct cli_state
**cli_ctx
,
185 struct sockaddr_storage
*server_ss
,
186 const char *server_name
)
188 return connect_to_service(c
, cli_ctx
, server_ss
, server_name
, "IPC$",
192 /****************************************************************************
193 Connect to \\server\ipc$ anonymously.
194 ****************************************************************************/
196 NTSTATUS
connect_to_ipc_anonymous(struct net_context
*c
,
197 struct cli_state
**cli_ctx
,
198 struct sockaddr_storage
*server_ss
,
199 const char *server_name
)
203 nt_status
= cli_full_connection(cli_ctx
, c
->opt_requester_name
,
204 server_name
, server_ss
, c
->opt_port
,
207 "", 0, Undefined
, NULL
);
209 if (NT_STATUS_IS_OK(nt_status
)) {
212 DEBUG(1,("Cannot connect to server (anonymously). Error was %s\n", nt_errstr(nt_status
)));
217 /****************************************************************************
218 Return malloced user@realm for krb5 login.
219 ****************************************************************************/
221 static char *get_user_and_realm(const char *username
)
223 char *user_and_realm
= NULL
;
228 if (strchr_m(username
, '@')) {
229 user_and_realm
= SMB_STRDUP(username
);
231 if (asprintf(&user_and_realm
, "%s@%s", username
, lp_realm()) == -1) {
232 user_and_realm
= NULL
;
235 return user_and_realm
;
238 /****************************************************************************
239 Connect to \\server\ipc$ using KRB5.
240 ****************************************************************************/
242 NTSTATUS
connect_to_ipc_krb5(struct net_context
*c
,
243 struct cli_state
**cli_ctx
,
244 struct sockaddr_storage
*server_ss
,
245 const char *server_name
)
248 char *user_and_realm
= NULL
;
250 /* FIXME: Should get existing kerberos ticket if possible. */
251 c
->opt_password
= net_prompt_pass(c
, c
->opt_user_name
);
252 if (!c
->opt_password
) {
253 return NT_STATUS_NO_MEMORY
;
256 user_and_realm
= get_user_and_realm(c
->opt_user_name
);
257 if (!user_and_realm
) {
258 return NT_STATUS_NO_MEMORY
;
261 nt_status
= cli_full_connection(cli_ctx
, NULL
, server_name
,
262 server_ss
, c
->opt_port
,
264 user_and_realm
, c
->opt_workgroup
,
266 CLI_FULL_CONNECTION_USE_KERBEROS
,
269 SAFE_FREE(user_and_realm
);
271 if (!NT_STATUS_IS_OK(nt_status
)) {
272 DEBUG(1,("Cannot connect to server using kerberos. Error was %s\n", nt_errstr(nt_status
)));
276 if (c
->smb_encrypt
) {
277 nt_status
= cli_cm_force_encryption(*cli_ctx
,
282 if (!NT_STATUS_IS_OK(nt_status
)) {
283 cli_shutdown(*cli_ctx
);
292 * Connect a server and open a given pipe
294 * @param cli_dst A cli_state
295 * @param pipe The pipe to open
296 * @param got_pipe boolean that stores if we got a pipe
298 * @return Normal NTSTATUS return.
300 NTSTATUS
connect_dst_pipe(struct net_context
*c
, struct cli_state
**cli_dst
,
301 struct rpc_pipe_client
**pp_pipe_hnd
,
302 const struct ndr_syntax_id
*interface
)
305 char *server_name
= SMB_STRDUP("127.0.0.1");
306 struct cli_state
*cli_tmp
= NULL
;
307 struct rpc_pipe_client
*pipe_hnd
= NULL
;
309 if (server_name
== NULL
) {
310 return NT_STATUS_NO_MEMORY
;
313 if (c
->opt_destination
) {
314 SAFE_FREE(server_name
);
315 if ((server_name
= SMB_STRDUP(c
->opt_destination
)) == NULL
) {
316 return NT_STATUS_NO_MEMORY
;
320 /* make a connection to a named pipe */
321 nt_status
= connect_to_ipc(c
, &cli_tmp
, NULL
, server_name
);
322 if (!NT_STATUS_IS_OK(nt_status
)) {
323 SAFE_FREE(server_name
);
327 nt_status
= cli_rpc_pipe_open_noauth(cli_tmp
, interface
,
329 if (!NT_STATUS_IS_OK(nt_status
)) {
330 DEBUG(0, ("couldn't not initialize pipe\n"));
331 cli_shutdown(cli_tmp
);
332 SAFE_FREE(server_name
);
337 *pp_pipe_hnd
= pipe_hnd
;
338 SAFE_FREE(server_name
);
343 /****************************************************************************
344 Use the local machine account (krb) and password for this session.
345 ****************************************************************************/
347 int net_use_krb_machine_account(struct net_context
*c
)
349 char *user_name
= NULL
;
351 if (!secrets_init()) {
352 d_fprintf(stderr
,_("ERROR: Unable to open secrets database\n"));
356 c
->opt_password
= secrets_fetch_machine_password(
357 c
->opt_target_workgroup
, NULL
, NULL
);
358 if (asprintf(&user_name
, "%s$@%s", global_myname(), lp_realm()) == -1) {
361 c
->opt_user_name
= user_name
;
365 /****************************************************************************
366 Use the machine account name and password for this session.
367 ****************************************************************************/
369 int net_use_machine_account(struct net_context
*c
)
371 char *user_name
= NULL
;
373 if (!secrets_init()) {
374 d_fprintf(stderr
,_("ERROR: Unable to open secrets database\n"));
378 c
->opt_password
= secrets_fetch_machine_password(
379 c
->opt_target_workgroup
, NULL
, NULL
);
380 if (asprintf(&user_name
, "%s$", global_myname()) == -1) {
383 c
->opt_user_name
= user_name
;
387 bool net_find_server(struct net_context
*c
,
390 struct sockaddr_storage
*server_ss
,
393 const char *d
= domain
? domain
: c
->opt_target_workgroup
;
396 *server_name
= SMB_STRDUP(c
->opt_host
);
399 if (c
->opt_have_ip
) {
400 *server_ss
= c
->opt_dest_ip
;
402 char addr
[INET6_ADDRSTRLEN
];
403 print_sockaddr(addr
, sizeof(addr
), &c
->opt_dest_ip
);
404 *server_name
= SMB_STRDUP(addr
);
406 } else if (*server_name
) {
407 /* resolve the IP address */
408 if (!resolve_name(*server_name
, server_ss
, 0x20, false)) {
409 DEBUG(1,("Unable to resolve server name\n"));
412 } else if (flags
& NET_FLAGS_PDC
) {
414 struct sockaddr_storage pdc_ss
;
416 if (!get_pdc_ip(d
, &pdc_ss
)) {
417 DEBUG(1,("Unable to resolve PDC server address\n"));
421 if (is_zero_addr((struct sockaddr
*)&pdc_ss
)) {
425 if (!name_status_find(d
, 0x1b, 0x20, &pdc_ss
, dc_name
)) {
429 *server_name
= SMB_STRDUP(dc_name
);
431 } else if (flags
& NET_FLAGS_DMB
) {
432 struct sockaddr_storage msbrow_ss
;
433 char addr
[INET6_ADDRSTRLEN
];
435 /* if (!resolve_name(MSBROWSE, &msbrow_ip, 1, false)) */
436 if (!resolve_name(d
, &msbrow_ss
, 0x1B, false)) {
437 DEBUG(1,("Unable to resolve domain browser via name lookup\n"));
440 *server_ss
= msbrow_ss
;
441 print_sockaddr(addr
, sizeof(addr
), server_ss
);
442 *server_name
= SMB_STRDUP(addr
);
443 } else if (flags
& NET_FLAGS_MASTER
) {
444 struct sockaddr_storage brow_ss
;
445 char addr
[INET6_ADDRSTRLEN
];
446 if (!resolve_name(d
, &brow_ss
, 0x1D, false)) {
447 /* go looking for workgroups */
448 DEBUG(1,("Unable to resolve master browser via name lookup\n"));
451 *server_ss
= brow_ss
;
452 print_sockaddr(addr
, sizeof(addr
), server_ss
);
453 *server_name
= SMB_STRDUP(addr
);
454 } else if (!(flags
& NET_FLAGS_LOCALHOST_DEFAULT_INSANE
)) {
455 if (!interpret_string_addr(server_ss
,
456 "127.0.0.1", AI_NUMERICHOST
)) {
457 DEBUG(1,("Unable to resolve 127.0.0.1\n"));
460 *server_name
= SMB_STRDUP("127.0.0.1");
464 DEBUG(1,("no server to connect to\n"));
471 bool net_find_pdc(struct sockaddr_storage
*server_ss
,
473 const char *domain_name
)
475 if (!get_pdc_ip(domain_name
, server_ss
)) {
478 if (is_zero_addr((struct sockaddr
*)server_ss
)) {
482 if (!name_status_find(domain_name
, 0x1b, 0x20, server_ss
, server_name
)) {
489 NTSTATUS
net_make_ipc_connection(struct net_context
*c
, unsigned flags
,
490 struct cli_state
**pcli
)
492 return net_make_ipc_connection_ex(c
, c
->opt_workgroup
, NULL
, NULL
, flags
, pcli
);
495 NTSTATUS
net_make_ipc_connection_ex(struct net_context
*c
,const char *domain
,
497 struct sockaddr_storage
*pss
,
498 unsigned flags
, struct cli_state
**pcli
)
500 char *server_name
= NULL
;
501 struct sockaddr_storage server_ss
;
502 struct cli_state
*cli
= NULL
;
505 if ( !server
|| !pss
) {
506 if (!net_find_server(c
, domain
, flags
, &server_ss
,
508 d_fprintf(stderr
, _("Unable to find a suitable server "
509 "for domain %s\n"), domain
);
510 nt_status
= NT_STATUS_UNSUCCESSFUL
;
514 server_name
= SMB_STRDUP( server
);
518 if (flags
& NET_FLAGS_ANONYMOUS
) {
519 nt_status
= connect_to_ipc_anonymous(c
, &cli
, &server_ss
,
522 nt_status
= connect_to_ipc(c
, &cli
, &server_ss
,
526 /* store the server in the affinity cache if it was a PDC */
528 if ( (flags
& NET_FLAGS_PDC
) && NT_STATUS_IS_OK(nt_status
) )
529 saf_store( cli
->server_domain
, cli
->desthost
);
531 SAFE_FREE(server_name
);
532 if (!NT_STATUS_IS_OK(nt_status
)) {
533 d_fprintf(stderr
, _("Connection failed: %s\n"),
534 nt_errstr(nt_status
));
536 } else if (c
->opt_request_timeout
) {
537 cli_set_timeout(cli
, c
->opt_request_timeout
* 1000);
547 /****************************************************************************
548 ****************************************************************************/
550 const char *net_prompt_pass(struct net_context
*c
, const char *user
)
553 const char *pass
= NULL
;
555 if (c
->opt_password
) {
556 return c
->opt_password
;
559 if (c
->opt_machine_pass
) {
563 if (c
->opt_kerberos
&& !c
->opt_user_specified
) {
567 if (asprintf(&prompt
, _("Enter %s's password:"), user
) == -1) {
571 pass
= getpass(prompt
);
577 int net_run_function(struct net_context
*c
, int argc
, const char **argv
,
578 const char *whoami
, struct functable
*table
)
583 for (i
=0; table
[i
].funcname
!= NULL
; i
++) {
584 if (StrCaseCmp(argv
[0], table
[i
].funcname
) == 0)
585 return table
[i
].fn(c
, argc
-1, argv
+1);
589 if (c
->display_usage
== false) {
590 d_fprintf(stderr
, _("Invalid command: %s %s\n"), whoami
,
591 (argc
> 0)?argv
[0]:"");
593 d_printf(_("Usage:\n"));
594 for (i
=0; table
[i
].funcname
!= NULL
; i
++) {
595 if(c
->display_usage
== false)
596 d_printf("%s %-15s %s\n", whoami
, table
[i
].funcname
,
597 _(table
[i
].description
));
599 d_printf("%s\n", _(table
[i
].usage
));
602 return c
->display_usage
?0:-1;
605 void net_display_usage_from_functable(struct functable
*table
)
608 for (i
=0; table
[i
].funcname
!= NULL
; i
++) {
609 d_printf("%s\n", _(table
[i
].usage
));
613 const char *net_share_type_str(int num_type
)
616 case 0: return _("Disk");
617 case 1: return _("Print");
618 case 2: return _("Dev");
619 case 3: return _("IPC");
620 default: return _("Unknown");
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 union dssetup_DsRoleInfo info
;
633 ZERO_STRUCTP(dc_info
);
635 status
= cli_rpc_pipe_open_noauth(cli
, &ndr_table_dssetup
.syntax_id
,
637 if (!NT_STATUS_IS_OK(status
)) {
641 status
= rpccli_dssetup_DsRoleGetPrimaryDomainInformation(dssetup_pipe
, mem_ctx
,
642 DS_ROLE_BASIC_INFORMATION
,
645 TALLOC_FREE(dssetup_pipe
);
647 if (!NT_STATUS_IS_OK(status
)) {
651 dc_info
->is_dc
= (info
.basic
.role
& (DS_ROLE_PRIMARY_DC
|DS_ROLE_BACKUP_DC
));
652 dc_info
->is_pdc
= (info
.basic
.role
& DS_ROLE_PRIMARY_DC
);
653 dc_info
->is_ad
= (info
.basic
.flags
& DS_ROLE_PRIMARY_DS_RUNNING
);
654 dc_info
->is_mixed_mode
= (info
.basic
.flags
& DS_ROLE_PRIMARY_DS_MIXED_MODE
);
655 dc_info
->netbios_domain_name
= talloc_strdup(mem_ctx
, info
.basic
.domain
);
656 dc_info
->dns_domain_name
= talloc_strdup(mem_ctx
, info
.basic
.dns_domain
);
657 dc_info
->forest_name
= talloc_strdup(mem_ctx
, info
.basic
.forest
);