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);