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"
25 NTSTATUS
net_rpc_lookup_name(struct net_context
*c
,
26 TALLOC_CTX
*mem_ctx
, struct cli_state
*cli
,
27 const char *name
, const char **ret_domain
,
28 const char **ret_name
, DOM_SID
*ret_sid
,
29 enum lsa_SidType
*ret_type
)
31 struct rpc_pipe_client
*lsa_pipe
;
32 struct policy_handle pol
;
33 NTSTATUS result
= NT_STATUS_OK
;
34 const char **dom_names
;
36 enum lsa_SidType
*types
;
40 result
= cli_rpc_pipe_open_noauth(cli
, &ndr_table_lsarpc
.syntax_id
,
42 if (!NT_STATUS_IS_OK(result
)) {
43 d_fprintf(stderr
, _("Could not initialise lsa pipe\n"));
47 result
= rpccli_lsa_open_policy(lsa_pipe
, mem_ctx
, false,
48 SEC_FLAG_MAXIMUM_ALLOWED
,
50 if (!NT_STATUS_IS_OK(result
)) {
51 d_fprintf(stderr
, _("open_policy failed: %s\n"),
56 result
= rpccli_lsa_lookup_names(lsa_pipe
, mem_ctx
, &pol
, 1,
57 &name
, &dom_names
, 1, &sids
, &types
);
59 if (!NT_STATUS_IS_OK(result
)) {
60 /* This can happen easily, don't log an error */
64 if (ret_domain
!= NULL
) {
65 *ret_domain
= dom_names
[0];
67 if (ret_name
!= NULL
) {
68 *ret_name
= talloc_strdup(mem_ctx
, name
);
70 if (ret_sid
!= NULL
) {
71 sid_copy(ret_sid
, &sids
[0]);
73 if (ret_type
!= NULL
) {
78 if (is_valid_policy_hnd(&pol
)) {
79 rpccli_lsa_Close(lsa_pipe
, mem_ctx
, &pol
);
81 TALLOC_FREE(lsa_pipe
);
86 /****************************************************************************
87 Connect to \\server\service.
88 ****************************************************************************/
90 NTSTATUS
connect_to_service(struct net_context
*c
,
91 struct cli_state
**cli_ctx
,
92 struct sockaddr_storage
*server_ss
,
93 const char *server_name
,
94 const char *service_name
,
95 const char *service_type
)
100 c
->opt_password
= net_prompt_pass(c
, c
->opt_user_name
);
102 if (c
->opt_kerberos
) {
103 flags
|= CLI_FULL_CONNECTION_USE_KERBEROS
;
106 if (c
->opt_kerberos
&& c
->opt_password
) {
107 flags
|= CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS
;
110 nt_status
= cli_full_connection(cli_ctx
, NULL
, server_name
,
111 server_ss
, c
->opt_port
,
112 service_name
, service_type
,
113 c
->opt_user_name
, c
->opt_workgroup
,
114 c
->opt_password
, flags
, Undefined
, NULL
);
115 if (!NT_STATUS_IS_OK(nt_status
)) {
116 d_fprintf(stderr
, _("Could not connect to server %s\n"),
119 /* Display a nicer message depending on the result */
121 if (NT_STATUS_V(nt_status
) ==
122 NT_STATUS_V(NT_STATUS_LOGON_FAILURE
))
124 _("The username or password was not "
127 if (NT_STATUS_V(nt_status
) ==
128 NT_STATUS_V(NT_STATUS_ACCOUNT_LOCKED_OUT
))
129 d_fprintf(stderr
, _("The account was locked out.\n"));
131 if (NT_STATUS_V(nt_status
) ==
132 NT_STATUS_V(NT_STATUS_ACCOUNT_DISABLED
))
133 d_fprintf(stderr
, _("The account was disabled.\n"));
137 if (c
->smb_encrypt
) {
138 nt_status
= cli_force_encryption(*cli_ctx
,
143 if (NT_STATUS_EQUAL(nt_status
,NT_STATUS_NOT_SUPPORTED
)) {
144 d_printf(_("Encryption required and "
145 "server that doesn't support "
146 "UNIX extensions - failing connect\n"));
147 } else if (NT_STATUS_EQUAL(nt_status
,NT_STATUS_UNKNOWN_REVISION
)) {
148 d_printf(_("Encryption required and "
149 "can't get UNIX CIFS extensions "
150 "version from server.\n"));
151 } else if (NT_STATUS_EQUAL(nt_status
,NT_STATUS_UNSUPPORTED_COMPRESSION
)) {
152 d_printf(_("Encryption required and "
153 "share %s doesn't support "
154 "encryption.\n"), service_name
);
155 } else if (!NT_STATUS_IS_OK(nt_status
)) {
156 d_printf(_("Encryption required and "
157 "setup failed with error %s.\n"),
158 nt_errstr(nt_status
));
161 if (!NT_STATUS_IS_OK(nt_status
)) {
162 cli_shutdown(*cli_ctx
);
170 /****************************************************************************
171 Connect to \\server\ipc$.
172 ****************************************************************************/
174 NTSTATUS
connect_to_ipc(struct net_context
*c
,
175 struct cli_state
**cli_ctx
,
176 struct sockaddr_storage
*server_ss
,
177 const char *server_name
)
179 return connect_to_service(c
, cli_ctx
, server_ss
, server_name
, "IPC$",
183 /****************************************************************************
184 Connect to \\server\ipc$ anonymously.
185 ****************************************************************************/
187 NTSTATUS
connect_to_ipc_anonymous(struct net_context
*c
,
188 struct cli_state
**cli_ctx
,
189 struct sockaddr_storage
*server_ss
,
190 const char *server_name
)
194 nt_status
= cli_full_connection(cli_ctx
, c
->opt_requester_name
,
195 server_name
, server_ss
, c
->opt_port
,
198 "", 0, Undefined
, NULL
);
200 if (NT_STATUS_IS_OK(nt_status
)) {
203 DEBUG(1,("Cannot connect to server (anonymously). Error was %s\n", nt_errstr(nt_status
)));
208 /****************************************************************************
209 Return malloced user@realm for krb5 login.
210 ****************************************************************************/
212 static char *get_user_and_realm(const char *username
)
214 char *user_and_realm
= NULL
;
219 if (strchr_m(username
, '@')) {
220 user_and_realm
= SMB_STRDUP(username
);
222 if (asprintf(&user_and_realm
, "%s@%s", username
, lp_realm()) == -1) {
223 user_and_realm
= NULL
;
226 return user_and_realm
;
229 /****************************************************************************
230 Connect to \\server\ipc$ using KRB5.
231 ****************************************************************************/
233 NTSTATUS
connect_to_ipc_krb5(struct net_context
*c
,
234 struct cli_state
**cli_ctx
,
235 struct sockaddr_storage
*server_ss
,
236 const char *server_name
)
239 char *user_and_realm
= NULL
;
241 /* FIXME: Should get existing kerberos ticket if possible. */
242 c
->opt_password
= net_prompt_pass(c
, c
->opt_user_name
);
243 if (!c
->opt_password
) {
244 return NT_STATUS_NO_MEMORY
;
247 user_and_realm
= get_user_and_realm(c
->opt_user_name
);
248 if (!user_and_realm
) {
249 return NT_STATUS_NO_MEMORY
;
252 nt_status
= cli_full_connection(cli_ctx
, NULL
, server_name
,
253 server_ss
, c
->opt_port
,
255 user_and_realm
, c
->opt_workgroup
,
257 CLI_FULL_CONNECTION_USE_KERBEROS
,
260 SAFE_FREE(user_and_realm
);
262 if (!NT_STATUS_IS_OK(nt_status
)) {
263 DEBUG(1,("Cannot connect to server using kerberos. Error was %s\n", nt_errstr(nt_status
)));
267 if (c
->smb_encrypt
) {
268 nt_status
= cli_cm_force_encryption(*cli_ctx
,
273 if (!NT_STATUS_IS_OK(nt_status
)) {
274 cli_shutdown(*cli_ctx
);
283 * Connect a server and open a given pipe
285 * @param cli_dst A cli_state
286 * @param pipe The pipe to open
287 * @param got_pipe boolean that stores if we got a pipe
289 * @return Normal NTSTATUS return.
291 NTSTATUS
connect_dst_pipe(struct net_context
*c
, struct cli_state
**cli_dst
,
292 struct rpc_pipe_client
**pp_pipe_hnd
,
293 const struct ndr_syntax_id
*interface
)
296 char *server_name
= SMB_STRDUP("127.0.0.1");
297 struct cli_state
*cli_tmp
= NULL
;
298 struct rpc_pipe_client
*pipe_hnd
= NULL
;
300 if (server_name
== NULL
) {
301 return NT_STATUS_NO_MEMORY
;
304 if (c
->opt_destination
) {
305 SAFE_FREE(server_name
);
306 if ((server_name
= SMB_STRDUP(c
->opt_destination
)) == NULL
) {
307 return NT_STATUS_NO_MEMORY
;
311 /* make a connection to a named pipe */
312 nt_status
= connect_to_ipc(c
, &cli_tmp
, NULL
, server_name
);
313 if (!NT_STATUS_IS_OK(nt_status
)) {
314 SAFE_FREE(server_name
);
318 nt_status
= cli_rpc_pipe_open_noauth(cli_tmp
, interface
,
320 if (!NT_STATUS_IS_OK(nt_status
)) {
321 DEBUG(0, ("couldn't not initialize pipe\n"));
322 cli_shutdown(cli_tmp
);
323 SAFE_FREE(server_name
);
328 *pp_pipe_hnd
= pipe_hnd
;
329 SAFE_FREE(server_name
);
334 /****************************************************************************
335 Use the local machine account (krb) and password for this session.
336 ****************************************************************************/
338 int net_use_krb_machine_account(struct net_context
*c
)
340 char *user_name
= NULL
;
342 if (!secrets_init()) {
343 d_fprintf(stderr
,_("ERROR: Unable to open secrets database\n"));
347 c
->opt_password
= secrets_fetch_machine_password(
348 c
->opt_target_workgroup
, NULL
, NULL
);
349 if (asprintf(&user_name
, "%s$@%s", global_myname(), lp_realm()) == -1) {
352 c
->opt_user_name
= user_name
;
356 /****************************************************************************
357 Use the machine account name and password for this session.
358 ****************************************************************************/
360 int net_use_machine_account(struct net_context
*c
)
362 char *user_name
= NULL
;
364 if (!secrets_init()) {
365 d_fprintf(stderr
,_("ERROR: Unable to open secrets database\n"));
369 c
->opt_password
= secrets_fetch_machine_password(
370 c
->opt_target_workgroup
, NULL
, NULL
);
371 if (asprintf(&user_name
, "%s$", global_myname()) == -1) {
374 c
->opt_user_name
= user_name
;
378 bool net_find_server(struct net_context
*c
,
381 struct sockaddr_storage
*server_ss
,
384 const char *d
= domain
? domain
: c
->opt_target_workgroup
;
387 *server_name
= SMB_STRDUP(c
->opt_host
);
390 if (c
->opt_have_ip
) {
391 *server_ss
= c
->opt_dest_ip
;
393 char addr
[INET6_ADDRSTRLEN
];
394 print_sockaddr(addr
, sizeof(addr
), &c
->opt_dest_ip
);
395 *server_name
= SMB_STRDUP(addr
);
397 } else if (*server_name
) {
398 /* resolve the IP address */
399 if (!resolve_name(*server_name
, server_ss
, 0x20, false)) {
400 DEBUG(1,("Unable to resolve server name\n"));
403 } else if (flags
& NET_FLAGS_PDC
) {
405 struct sockaddr_storage pdc_ss
;
407 if (!get_pdc_ip(d
, &pdc_ss
)) {
408 DEBUG(1,("Unable to resolve PDC server address\n"));
412 if (is_zero_addr((struct sockaddr
*)&pdc_ss
)) {
416 if (!name_status_find(d
, 0x1b, 0x20, &pdc_ss
, dc_name
)) {
420 *server_name
= SMB_STRDUP(dc_name
);
422 } else if (flags
& NET_FLAGS_DMB
) {
423 struct sockaddr_storage msbrow_ss
;
424 char addr
[INET6_ADDRSTRLEN
];
426 /* if (!resolve_name(MSBROWSE, &msbrow_ip, 1, false)) */
427 if (!resolve_name(d
, &msbrow_ss
, 0x1B, false)) {
428 DEBUG(1,("Unable to resolve domain browser via name lookup\n"));
431 *server_ss
= msbrow_ss
;
432 print_sockaddr(addr
, sizeof(addr
), server_ss
);
433 *server_name
= SMB_STRDUP(addr
);
434 } else if (flags
& NET_FLAGS_MASTER
) {
435 struct sockaddr_storage brow_ss
;
436 char addr
[INET6_ADDRSTRLEN
];
437 if (!resolve_name(d
, &brow_ss
, 0x1D, false)) {
438 /* go looking for workgroups */
439 DEBUG(1,("Unable to resolve master browser via name lookup\n"));
442 *server_ss
= brow_ss
;
443 print_sockaddr(addr
, sizeof(addr
), server_ss
);
444 *server_name
= SMB_STRDUP(addr
);
445 } else if (!(flags
& NET_FLAGS_LOCALHOST_DEFAULT_INSANE
)) {
446 if (!interpret_string_addr(server_ss
,
447 "127.0.0.1", AI_NUMERICHOST
)) {
448 DEBUG(1,("Unable to resolve 127.0.0.1\n"));
451 *server_name
= SMB_STRDUP("127.0.0.1");
455 DEBUG(1,("no server to connect to\n"));
462 bool net_find_pdc(struct sockaddr_storage
*server_ss
,
464 const char *domain_name
)
466 if (!get_pdc_ip(domain_name
, server_ss
)) {
469 if (is_zero_addr((struct sockaddr
*)server_ss
)) {
473 if (!name_status_find(domain_name
, 0x1b, 0x20, server_ss
, server_name
)) {
480 NTSTATUS
net_make_ipc_connection(struct net_context
*c
, unsigned flags
,
481 struct cli_state
**pcli
)
483 return net_make_ipc_connection_ex(c
, c
->opt_workgroup
, NULL
, NULL
, flags
, pcli
);
486 NTSTATUS
net_make_ipc_connection_ex(struct net_context
*c
,const char *domain
,
488 struct sockaddr_storage
*pss
,
489 unsigned flags
, struct cli_state
**pcli
)
491 char *server_name
= NULL
;
492 struct sockaddr_storage server_ss
;
493 struct cli_state
*cli
= NULL
;
496 if ( !server
|| !pss
) {
497 if (!net_find_server(c
, domain
, flags
, &server_ss
,
499 d_fprintf(stderr
, _("Unable to find a suitable server "
500 "for domain %s\n"), domain
);
501 nt_status
= NT_STATUS_UNSUCCESSFUL
;
505 server_name
= SMB_STRDUP( server
);
509 if (flags
& NET_FLAGS_ANONYMOUS
) {
510 nt_status
= connect_to_ipc_anonymous(c
, &cli
, &server_ss
,
513 nt_status
= connect_to_ipc(c
, &cli
, &server_ss
,
517 /* store the server in the affinity cache if it was a PDC */
519 if ( (flags
& NET_FLAGS_PDC
) && NT_STATUS_IS_OK(nt_status
) )
520 saf_store( cli
->server_domain
, cli
->desthost
);
522 SAFE_FREE(server_name
);
523 if (!NT_STATUS_IS_OK(nt_status
)) {
524 d_fprintf(stderr
, _("Connection failed: %s\n"),
525 nt_errstr(nt_status
));
527 } else if (c
->opt_request_timeout
) {
528 cli_set_timeout(cli
, c
->opt_request_timeout
* 1000);
538 /****************************************************************************
539 ****************************************************************************/
541 const char *net_prompt_pass(struct net_context
*c
, const char *user
)
544 const char *pass
= NULL
;
546 if (c
->opt_password
) {
547 return c
->opt_password
;
550 if (c
->opt_machine_pass
) {
554 if (c
->opt_kerberos
&& !c
->opt_user_specified
) {
558 if (asprintf(&prompt
, _("Enter %s's password:"), user
) == -1) {
562 pass
= getpass(prompt
);
568 int net_run_function(struct net_context
*c
, int argc
, const char **argv
,
569 const char *whoami
, struct functable
*table
)
574 for (i
=0; table
[i
].funcname
!= NULL
; i
++) {
575 if (StrCaseCmp(argv
[0], table
[i
].funcname
) == 0)
576 return table
[i
].fn(c
, argc
-1, argv
+1);
580 if (c
->display_usage
== false) {
581 d_fprintf(stderr
, _("Invalid command: %s %s\n"), whoami
,
582 (argc
> 0)?argv
[0]:"");
584 d_printf("Usage:\n");
585 for (i
=0; table
[i
].funcname
!= NULL
; i
++) {
586 if(c
->display_usage
== false)
587 d_printf("%s %-15s %s\n", whoami
, table
[i
].funcname
,
588 table
[i
].description
);
590 d_printf("%s\n", table
[i
].usage
);
593 return c
->display_usage
?0:-1;
596 void net_display_usage_from_functable(struct functable
*table
)
599 for (i
=0; table
[i
].funcname
!= NULL
; i
++) {
600 d_printf("%s\n", table
[i
].usage
);
604 const char *net_share_type_str(int num_type
)
607 case 0: return _("Disk");
608 case 1: return _("Print");
609 case 2: return _("Dev");
610 case 3: return _("IPC");
611 default: return _("Unknown");
615 NTSTATUS
net_scan_dc(struct net_context
*c
,
616 struct cli_state
*cli
,
617 struct net_dc_info
*dc_info
)
619 TALLOC_CTX
*mem_ctx
= talloc_tos();
620 struct rpc_pipe_client
*dssetup_pipe
= NULL
;
621 union dssetup_DsRoleInfo info
;
624 ZERO_STRUCTP(dc_info
);
626 status
= cli_rpc_pipe_open_noauth(cli
, &ndr_table_dssetup
.syntax_id
,
628 if (!NT_STATUS_IS_OK(status
)) {
632 status
= rpccli_dssetup_DsRoleGetPrimaryDomainInformation(dssetup_pipe
, mem_ctx
,
633 DS_ROLE_BASIC_INFORMATION
,
636 TALLOC_FREE(dssetup_pipe
);
638 if (!NT_STATUS_IS_OK(status
)) {
642 dc_info
->is_dc
= (info
.basic
.role
& (DS_ROLE_PRIMARY_DC
|DS_ROLE_BACKUP_DC
));
643 dc_info
->is_pdc
= (info
.basic
.role
& DS_ROLE_PRIMARY_DC
);
644 dc_info
->is_ad
= (info
.basic
.flags
& DS_ROLE_PRIMARY_DS_RUNNING
);
645 dc_info
->is_mixed_mode
= (info
.basic
.flags
& DS_ROLE_PRIMARY_DS_MIXED_MODE
);
646 dc_info
->netbios_domain_name
= talloc_strdup(mem_ctx
, info
.basic
.domain
);
647 dc_info
->dns_domain_name
= talloc_strdup(mem_ctx
, info
.basic
.dns_domain
);
648 dc_info
->forest_name
= talloc_strdup(mem_ctx
, info
.basic
.forest
);