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/ndr_lsa_c.h"
25 #include "rpc_client/cli_lsarpc.h"
26 #include "../librpc/gen_ndr/ndr_dssetup_c.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 status, result;
39 const char **dom_names;
41 enum lsa_SidType *types;
42 struct dcerpc_binding_handle *b;
46 status = cli_rpc_pipe_open_noauth(cli, &ndr_table_lsarpc.syntax_id,
48 if (!NT_STATUS_IS_OK(status)) {
49 d_fprintf(stderr, _("Could not initialise lsa pipe\n"));
53 b = lsa_pipe->binding_handle;
55 status = rpccli_lsa_open_policy(lsa_pipe, mem_ctx, false,
56 SEC_FLAG_MAXIMUM_ALLOWED,
58 if (!NT_STATUS_IS_OK(status)) {
59 d_fprintf(stderr, "open_policy %s: %s\n", _("failed"),
64 status = rpccli_lsa_lookup_names(lsa_pipe, mem_ctx, &pol, 1,
65 &name, &dom_names, 1, &sids, &types);
67 if (!NT_STATUS_IS_OK(status)) {
68 /* This can happen easily, don't log an error */
72 if (ret_domain != NULL) {
73 *ret_domain = dom_names[0];
75 if (ret_name != NULL) {
76 *ret_name = talloc_strdup(mem_ctx, name);
78 if (ret_sid != NULL) {
79 sid_copy(ret_sid, &sids[0]);
81 if (ret_type != NULL) {
86 if (is_valid_policy_hnd(&pol)) {
87 dcerpc_lsa_Close(b, mem_ctx, &pol, &result);
89 TALLOC_FREE(lsa_pipe);
94 /****************************************************************************
95 Connect to \\server\service.
96 ****************************************************************************/
98 NTSTATUS connect_to_service(struct net_context *c,
99 struct cli_state **cli_ctx,
100 struct sockaddr_storage *server_ss,
101 const char *server_name,
102 const char *service_name,
103 const char *service_type)
108 c->opt_password = net_prompt_pass(c, c->opt_user_name);
110 if (c->opt_kerberos) {
111 flags |= CLI_FULL_CONNECTION_USE_KERBEROS;
114 if (c->opt_kerberos && c->opt_password) {
115 flags |= CLI_FULL_CONNECTION_FALLBACK_AFTER_KERBEROS;
119 flags |= CLI_FULL_CONNECTION_USE_CCACHE;
122 nt_status = cli_full_connection(cli_ctx, NULL, server_name,
123 server_ss, c->opt_port,
124 service_name, service_type,
125 c->opt_user_name, c->opt_workgroup,
126 c->opt_password, flags, Undefined);
127 if (!NT_STATUS_IS_OK(nt_status)) {
128 d_fprintf(stderr, _("Could not connect to server %s\n"),
131 /* Display a nicer message depending on the result */
133 if (NT_STATUS_V(nt_status) ==
134 NT_STATUS_V(NT_STATUS_LOGON_FAILURE))
136 _("The username or password was not "
139 if (NT_STATUS_V(nt_status) ==
140 NT_STATUS_V(NT_STATUS_ACCOUNT_LOCKED_OUT))
141 d_fprintf(stderr, _("The account was locked out.\n"));
143 if (NT_STATUS_V(nt_status) ==
144 NT_STATUS_V(NT_STATUS_ACCOUNT_DISABLED))
145 d_fprintf(stderr, _("The account was disabled.\n"));
149 if (c->smb_encrypt) {
150 nt_status = cli_force_encryption(*cli_ctx,
155 if (NT_STATUS_EQUAL(nt_status,NT_STATUS_NOT_SUPPORTED)) {
156 d_printf(_("Encryption required and "
157 "server that doesn't support "
158 "UNIX extensions - failing connect\n"));
159 } else if (NT_STATUS_EQUAL(nt_status,NT_STATUS_UNKNOWN_REVISION)) {
160 d_printf(_("Encryption required and "
161 "can't get UNIX CIFS extensions "
162 "version from server.\n"));
163 } else if (NT_STATUS_EQUAL(nt_status,NT_STATUS_UNSUPPORTED_COMPRESSION)) {
164 d_printf(_("Encryption required and "
165 "share %s doesn't support "
166 "encryption.\n"), service_name);
167 } else if (!NT_STATUS_IS_OK(nt_status)) {
168 d_printf(_("Encryption required and "
169 "setup failed with error %s.\n"),
170 nt_errstr(nt_status));
173 if (!NT_STATUS_IS_OK(nt_status)) {
174 cli_shutdown(*cli_ctx);
182 /****************************************************************************
183 Connect to \\server\ipc$.
184 ****************************************************************************/
186 NTSTATUS connect_to_ipc(struct net_context *c,
187 struct cli_state **cli_ctx,
188 struct sockaddr_storage *server_ss,
189 const char *server_name)
191 return connect_to_service(c, cli_ctx, server_ss, server_name, "IPC$",
195 /****************************************************************************
196 Connect to \\server\ipc$ anonymously.
197 ****************************************************************************/
199 NTSTATUS connect_to_ipc_anonymous(struct net_context *c,
200 struct cli_state **cli_ctx,
201 struct sockaddr_storage *server_ss,
202 const char *server_name)
206 nt_status = cli_full_connection(cli_ctx, c->opt_requester_name,
207 server_name, server_ss, c->opt_port,
212 if (NT_STATUS_IS_OK(nt_status)) {
215 DEBUG(1,("Cannot connect to server (anonymously). Error was %s\n", nt_errstr(nt_status)));
220 /****************************************************************************
221 Return malloced user@realm for krb5 login.
222 ****************************************************************************/
224 static char *get_user_and_realm(const char *username)
226 char *user_and_realm = NULL;
231 if (strchr_m(username, '@')) {
232 user_and_realm = SMB_STRDUP(username);
234 if (asprintf(&user_and_realm, "%s@%s", username, lp_realm()) == -1) {
235 user_and_realm = NULL;
238 return user_and_realm;
241 /****************************************************************************
242 Connect to \\server\ipc$ using KRB5.
243 ****************************************************************************/
245 NTSTATUS connect_to_ipc_krb5(struct net_context *c,
246 struct cli_state **cli_ctx,
247 struct sockaddr_storage *server_ss,
248 const char *server_name)
251 char *user_and_realm = NULL;
253 /* FIXME: Should get existing kerberos ticket if possible. */
254 c->opt_password = net_prompt_pass(c, c->opt_user_name);
255 if (!c->opt_password) {
256 return NT_STATUS_NO_MEMORY;
259 user_and_realm = get_user_and_realm(c->opt_user_name);
260 if (!user_and_realm) {
261 return NT_STATUS_NO_MEMORY;
264 nt_status = cli_full_connection(cli_ctx, NULL, server_name,
265 server_ss, c->opt_port,
267 user_and_realm, c->opt_workgroup,
269 CLI_FULL_CONNECTION_USE_KERBEROS,
272 SAFE_FREE(user_and_realm);
274 if (!NT_STATUS_IS_OK(nt_status)) {
275 DEBUG(1,("Cannot connect to server using kerberos. Error was %s\n", nt_errstr(nt_status)));
279 if (c->smb_encrypt) {
280 nt_status = cli_cm_force_encryption(*cli_ctx,
285 if (!NT_STATUS_IS_OK(nt_status)) {
286 cli_shutdown(*cli_ctx);
295 * Connect a server and open a given pipe
297 * @param cli_dst A cli_state
298 * @param pipe The pipe to open
299 * @param got_pipe boolean that stores if we got a pipe
301 * @return Normal NTSTATUS return.
303 NTSTATUS connect_dst_pipe(struct net_context *c, struct cli_state **cli_dst,
304 struct rpc_pipe_client **pp_pipe_hnd,
305 const struct ndr_syntax_id *interface)
308 char *server_name = SMB_STRDUP("127.0.0.1");
309 struct cli_state *cli_tmp = NULL;
310 struct rpc_pipe_client *pipe_hnd = NULL;
312 if (server_name == NULL) {
313 return NT_STATUS_NO_MEMORY;
316 if (c->opt_destination) {
317 SAFE_FREE(server_name);
318 if ((server_name = SMB_STRDUP(c->opt_destination)) == NULL) {
319 return NT_STATUS_NO_MEMORY;
323 /* make a connection to a named pipe */
324 nt_status = connect_to_ipc(c, &cli_tmp, NULL, server_name);
325 if (!NT_STATUS_IS_OK(nt_status)) {
326 SAFE_FREE(server_name);
330 nt_status = cli_rpc_pipe_open_noauth(cli_tmp, interface,
332 if (!NT_STATUS_IS_OK(nt_status)) {
333 DEBUG(0, ("couldn't not initialize pipe\n"));
334 cli_shutdown(cli_tmp);
335 SAFE_FREE(server_name);
340 *pp_pipe_hnd = pipe_hnd;
341 SAFE_FREE(server_name);
346 /****************************************************************************
347 Use the local machine account (krb) and password for this session.
348 ****************************************************************************/
350 int net_use_krb_machine_account(struct net_context *c)
352 char *user_name = NULL;
354 if (!secrets_init()) {
355 d_fprintf(stderr,_("ERROR: Unable to open secrets database\n"));
359 c->opt_password = secrets_fetch_machine_password(
360 c->opt_target_workgroup, NULL, NULL);
361 if (asprintf(&user_name, "%s$@%s", global_myname(), lp_realm()) == -1) {
364 c->opt_user_name = user_name;
368 /****************************************************************************
369 Use the machine account name and password for this session.
370 ****************************************************************************/
372 int net_use_machine_account(struct net_context *c)
374 char *user_name = NULL;
376 if (!secrets_init()) {
377 d_fprintf(stderr,_("ERROR: Unable to open secrets database\n"));
381 c->opt_password = secrets_fetch_machine_password(
382 c->opt_target_workgroup, NULL, NULL);
383 if (asprintf(&user_name, "%s$", global_myname()) == -1) {
386 c->opt_user_name = user_name;
390 bool net_find_server(struct net_context *c,
393 struct sockaddr_storage *server_ss,
396 const char *d = domain ? domain : c->opt_target_workgroup;
399 *server_name = SMB_STRDUP(c->opt_host);
402 if (c->opt_have_ip) {
403 *server_ss = c->opt_dest_ip;
405 char addr[INET6_ADDRSTRLEN];
406 print_sockaddr(addr, sizeof(addr), &c->opt_dest_ip);
407 *server_name = SMB_STRDUP(addr);
409 } else if (*server_name) {
410 /* resolve the IP address */
411 if (!resolve_name(*server_name, server_ss, 0x20, false)) {
412 DEBUG(1,("Unable to resolve server name\n"));
415 } else if (flags & NET_FLAGS_PDC) {
417 struct sockaddr_storage pdc_ss;
419 if (!get_pdc_ip(d, &pdc_ss)) {
420 DEBUG(1,("Unable to resolve PDC server address\n"));
424 if (is_zero_addr(&pdc_ss)) {
428 if (!name_status_find(d, 0x1b, 0x20, &pdc_ss, dc_name)) {
432 *server_name = SMB_STRDUP(dc_name);
434 } else if (flags & NET_FLAGS_DMB) {
435 struct sockaddr_storage msbrow_ss;
436 char addr[INET6_ADDRSTRLEN];
438 /* if (!resolve_name(MSBROWSE, &msbrow_ip, 1, false)) */
439 if (!resolve_name(d, &msbrow_ss, 0x1B, false)) {
440 DEBUG(1,("Unable to resolve domain browser via name lookup\n"));
443 *server_ss = msbrow_ss;
444 print_sockaddr(addr, sizeof(addr), server_ss);
445 *server_name = SMB_STRDUP(addr);
446 } else if (flags & NET_FLAGS_MASTER) {
447 struct sockaddr_storage brow_ss;
448 char addr[INET6_ADDRSTRLEN];
449 if (!resolve_name(d, &brow_ss, 0x1D, false)) {
450 /* go looking for workgroups */
451 DEBUG(1,("Unable to resolve master browser via name lookup\n"));
454 *server_ss = brow_ss;
455 print_sockaddr(addr, sizeof(addr), server_ss);
456 *server_name = SMB_STRDUP(addr);
457 } else if (!(flags & NET_FLAGS_LOCALHOST_DEFAULT_INSANE)) {
458 if (!interpret_string_addr(server_ss,
459 "127.0.0.1", AI_NUMERICHOST)) {
460 DEBUG(1,("Unable to resolve 127.0.0.1\n"));
463 *server_name = SMB_STRDUP("127.0.0.1");
467 DEBUG(1,("no server to connect to\n"));
474 bool net_find_pdc(struct sockaddr_storage *server_ss,
476 const char *domain_name)
478 if (!get_pdc_ip(domain_name, server_ss)) {
481 if (is_zero_addr(server_ss)) {
485 if (!name_status_find(domain_name, 0x1b, 0x20, server_ss, server_name)) {
492 NTSTATUS net_make_ipc_connection(struct net_context *c, unsigned flags,
493 struct cli_state **pcli)
495 return net_make_ipc_connection_ex(c, c->opt_workgroup, NULL, NULL, flags, pcli);
498 NTSTATUS net_make_ipc_connection_ex(struct net_context *c ,const char *domain,
500 struct sockaddr_storage *pss,
501 unsigned flags, struct cli_state **pcli)
503 char *server_name = NULL;
504 struct sockaddr_storage server_ss;
505 struct cli_state *cli = NULL;
508 if ( !server || !pss ) {
509 if (!net_find_server(c, domain, flags, &server_ss,
511 d_fprintf(stderr, _("Unable to find a suitable server "
512 "for domain %s\n"), domain);
513 nt_status = NT_STATUS_UNSUCCESSFUL;
517 server_name = SMB_STRDUP( server );
521 if (flags & NET_FLAGS_ANONYMOUS) {
522 nt_status = connect_to_ipc_anonymous(c, &cli, &server_ss,
525 nt_status = connect_to_ipc(c, &cli, &server_ss,
529 /* store the server in the affinity cache if it was a PDC */
531 if ( (flags & NET_FLAGS_PDC) && NT_STATUS_IS_OK(nt_status) )
532 saf_store( cli->server_domain, cli->desthost );
534 SAFE_FREE(server_name);
535 if (!NT_STATUS_IS_OK(nt_status)) {
536 d_fprintf(stderr, _("Connection failed: %s\n"),
537 nt_errstr(nt_status));
539 } else if (c->opt_request_timeout) {
540 cli_set_timeout(cli, c->opt_request_timeout * 1000);
550 /****************************************************************************
551 ****************************************************************************/
553 const char *net_prompt_pass(struct net_context *c, const char *user)
556 const char *pass = NULL;
558 if (c->opt_password) {
559 return c->opt_password;
562 if (c->opt_machine_pass) {
566 if (c->opt_kerberos && !c->opt_user_specified) {
570 if (asprintf(&prompt, _("Enter %s's password:"), user) == -1) {
574 pass = getpass(prompt);
580 int net_run_function(struct net_context *c, int argc, const char **argv,
581 const char *whoami, struct functable *table)
586 for (i=0; table[i].funcname != NULL; i++) {
587 if (StrCaseCmp(argv[0], table[i].funcname) == 0)
588 return table[i].fn(c, argc-1, argv+1);
592 if (c->display_usage == false) {
593 d_fprintf(stderr, _("Invalid command: %s %s\n"), whoami,
594 (argc > 0)?argv[0]:"");
596 d_printf(_("Usage:\n"));
597 for (i=0; table[i].funcname != NULL; i++) {
598 if(c->display_usage == false)
599 d_printf("%s %-15s %s\n", whoami, table[i].funcname,
600 _(table[i].description));
602 d_printf("%s\n", _(table[i].usage));
605 return c->display_usage?0:-1;
608 void net_display_usage_from_functable(struct functable *table)
611 for (i=0; table[i].funcname != NULL; i++) {
612 d_printf("%s\n", _(table[i].usage));
616 const char *net_share_type_str(int num_type)
619 case 0: return _("Disk");
620 case 1: return _("Print");
621 case 2: return _("Dev");
622 case 3: return _("IPC");
623 default: return _("Unknown");
627 static NTSTATUS net_scan_dc_noad(struct net_context *c,
628 struct cli_state *cli,
629 struct net_dc_info *dc_info)
631 TALLOC_CTX *mem_ctx = talloc_tos();
632 struct rpc_pipe_client *pipe_hnd = NULL;
633 struct dcerpc_binding_handle *b;
634 NTSTATUS status, result;
635 struct policy_handle pol;
636 union lsa_PolicyInformation *info;
638 ZERO_STRUCTP(dc_info);
641 status = cli_rpc_pipe_open_noauth(cli, &ndr_table_lsarpc.syntax_id,
643 if (!NT_STATUS_IS_OK(status)) {
647 b = pipe_hnd->binding_handle;
649 status = dcerpc_lsa_open_policy(b, mem_ctx,
651 SEC_FLAG_MAXIMUM_ALLOWED,
654 if (!NT_STATUS_IS_OK(status)) {
657 if (!NT_STATUS_IS_OK(result)) {
662 status = dcerpc_lsa_QueryInfoPolicy(b, mem_ctx,
664 LSA_POLICY_INFO_ACCOUNT_DOMAIN,
667 if (!NT_STATUS_IS_OK(status)) {
670 if (!NT_STATUS_IS_OK(result)) {
675 dc_info->netbios_domain_name = talloc_strdup(mem_ctx, info->account_domain.name.string);
676 if (dc_info->netbios_domain_name == NULL) {
677 status = NT_STATUS_NO_MEMORY;
682 if (is_valid_policy_hnd(&pol)) {
683 dcerpc_lsa_Close(b, mem_ctx, &pol, &result);
686 TALLOC_FREE(pipe_hnd);
691 NTSTATUS net_scan_dc(struct net_context *c,
692 struct cli_state *cli,
693 struct net_dc_info *dc_info)
695 TALLOC_CTX *mem_ctx = talloc_tos();
696 struct rpc_pipe_client *dssetup_pipe = NULL;
697 struct dcerpc_binding_handle *dssetup_handle = NULL;
698 union dssetup_DsRoleInfo info;
702 ZERO_STRUCTP(dc_info);
704 status = cli_rpc_pipe_open_noauth(cli, &ndr_table_dssetup.syntax_id,
706 if (!NT_STATUS_IS_OK(status)) {
707 DEBUG(10,("net_scan_dc: failed to open dssetup pipe with %s, "
708 "retrying with lsa pipe\n", nt_errstr(status)));
709 return net_scan_dc_noad(c, cli, dc_info);
711 dssetup_handle = dssetup_pipe->binding_handle;
713 status = dcerpc_dssetup_DsRoleGetPrimaryDomainInformation(dssetup_handle, mem_ctx,
714 DS_ROLE_BASIC_INFORMATION,
717 TALLOC_FREE(dssetup_pipe);
719 if (NT_STATUS_IS_OK(status)) {
720 status = werror_to_ntstatus(werr);
722 if (!NT_STATUS_IS_OK(status)) {
726 dc_info->is_dc = (info.basic.role & (DS_ROLE_PRIMARY_DC|DS_ROLE_BACKUP_DC));
727 dc_info->is_pdc = (info.basic.role & DS_ROLE_PRIMARY_DC);
728 dc_info->is_ad = (info.basic.flags & DS_ROLE_PRIMARY_DS_RUNNING);
729 dc_info->is_mixed_mode = (info.basic.flags & DS_ROLE_PRIMARY_DS_MIXED_MODE);
730 dc_info->netbios_domain_name = talloc_strdup(mem_ctx, info.basic.domain);
731 dc_info->dns_domain_name = talloc_strdup(mem_ctx, info.basic.dns_domain);
732 dc_info->forest_name = talloc_strdup(mem_ctx, info.basic.forest);