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);