2 Samba Unix/Linux SMB client library
4 Copyright (C) 2001 Andrew Tridgell (tridge@samba.org)
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>. */
20 #include "utils/net.h"
21 #include "libsmb/namequery.h"
22 #include "libads/sitename_cache.h"
23 #include "lib/addns/dnsquery_srv.h"
24 #include "../librpc/gen_ndr/ndr_netlogon.h"
26 #include "../libcli/security/security.h"
27 #include "passdb/lookup_sid.h"
28 #include "libsmb/dsgetdcname.h"
30 int net_lookup_usage(struct net_context *c, int argc, const char **argv)
33 " net lookup [host] HOSTNAME[#<type>]\n\tgives IP for a hostname\n\n"
34 " net lookup ldap [domain] [sitename]\n\tgives IP of domain's ldap server\n\n"
35 " net lookup kdc [realm]\n\tgives IP of realm's kerberos KDC\n\n"
36 " net lookup pdc [domain|realm]\n\tgives IP of realm's kerberos KDC\n\n"
37 " net lookup dc [domain]\n\tgives IP of domains Domain Controllers\n\n"
38 " net lookup master [domain|wg]\n\tgive IP of master browser\n\n"
39 " net lookup name [name]\n\tLookup name's sid and type\n\n"
40 " net lookup sid [sid]\n\tGive sid's name and type\n\n"
41 " net lookup dsgetdcname [name] [flags] [sitename]\n\n"
46 /* lookup a hostname giving an IP */
47 static int net_lookup_host(struct net_context *c, int argc, const char **argv)
49 struct sockaddr_storage ss;
51 char addr[INET6_ADDRSTRLEN];
52 const char *name = argv[0];
56 return net_lookup_usage(c, argc, argv);
58 p = strchr_m(name,'#');
61 sscanf(++p,"%x",&name_type);
64 if (!resolve_name(name, &ss, name_type, false)) {
65 /* we deliberately use DEBUG() here to send it to stderr
66 so scripts aren't mucked up */
67 DEBUG(0,("Didn't find %s#%02x\n", name, name_type));
71 print_sockaddr(addr, sizeof(addr), &ss);
72 d_printf("%s\n", addr);
77 static void print_ldap_srvlist(struct dns_rr_srv *dclist, size_t numdcs)
81 for ( i=0; i<numdcs; i++ ) {
82 struct dns_rr_srv *dc = &dclist[i];
85 for (j=0; j<dc->num_ips; j++) {
86 struct sockaddr_storage *ss = &dc->ss_s[j];
87 char addr[INET6_ADDRSTRLEN];
89 print_sockaddr(addr, sizeof(addr), ss);
91 if (ss->ss_family == AF_INET6) {
92 d_printf("[%s]:%"PRIu16"\n", addr, dc->port);
95 if (ss->ss_family == AF_INET) {
96 d_printf("%s:%"PRIu16"\n", addr, dc->port);
103 static int net_lookup_ldap(struct net_context *c, int argc, const char **argv)
107 struct sockaddr_storage ss;
108 struct dns_rr_srv *dcs = NULL;
110 const char *sitename = NULL;
114 char h_name[MAX_DNS_NAME_LENGTH];
120 domain = c->opt_target_workgroup;
126 if ( (ctx = talloc_init("net_lookup_ldap")) == NULL ) {
127 d_fprintf(stderr,"net_lookup_ldap: talloc_init() %s!\n",
132 if (sitename == NULL) {
133 sitename = sitename_fetch(ctx, domain);
135 query = ads_dns_query_string_dcs(ctx, domain);
137 DEBUG(9, ("Lookup up ldap for domain %s\n", domain));
139 status = ads_dns_query_srv(
141 lp_get_async_dns_timeout(),
146 if ( NT_STATUS_IS_OK(status) && numdcs ) {
147 print_ldap_srvlist(dcs, numdcs);
152 DEBUG(9, ("Looking up PDC for domain %s\n", domain));
153 if (!get_pdc_ip(domain, &ss)) {
158 ret = sys_getnameinfo((struct sockaddr *)&ss,
159 sizeof(struct sockaddr_storage),
160 h_name, sizeof(h_name),
169 DEBUG(9, ("Found PDC with DNS name %s\n", h_name));
170 domain = strchr(h_name, '.');
177 DEBUG(9, ("Looking up ldap for domain %s\n", domain));
179 status = ads_dns_query_srv(
181 lp_get_async_dns_timeout(),
186 if ( NT_STATUS_IS_OK(status) && numdcs ) {
187 print_ldap_srvlist(dcs, numdcs);
196 DEBUG(1,("No ADS support\n"));
200 static int net_lookup_dc(struct net_context *c, int argc, const char **argv)
202 struct samba_sockaddr *sa_list = NULL;
203 struct sockaddr_storage ss;
204 char *pdc_str = NULL;
205 const char *domain = NULL;
206 char *sitename = NULL;
209 char addr[INET6_ADDRSTRLEN];
210 bool sec_ads = (lp_security() == SEC_ADS);
216 domain = c->opt_target_workgroup;
223 if (!get_pdc_ip(domain, &ss))
226 print_sockaddr(addr, sizeof(addr), &ss);
227 if (asprintf(&pdc_str, "%s", addr) == -1) {
230 d_printf("%s\n", pdc_str);
232 sitename = sitename_fetch(talloc_tos(), domain);
233 status = get_sorted_dc_list(talloc_tos(),
239 if (!NT_STATUS_IS_OK(status)) {
241 TALLOC_FREE(sitename);
244 TALLOC_FREE(sitename);
245 for (i=0;i<count;i++) {
246 print_sockaddr(addr, sizeof(addr), &sa_list[i].u.ss);
247 if (!strequal(pdc_str, addr))
248 d_printf("%s\n", addr);
250 TALLOC_FREE(sa_list);
255 static int net_lookup_pdc(struct net_context *c, int argc, const char **argv)
257 struct sockaddr_storage ss;
258 char *pdc_str = NULL;
260 char addr[INET6_ADDRSTRLEN];
262 if (lp_security() == SEC_ADS) {
265 domain = c->opt_target_workgroup;
272 if (!get_pdc_ip(domain, &ss))
275 print_sockaddr(addr, sizeof(addr), &ss);
276 if (asprintf(&pdc_str, "%s", addr) == -1) {
279 d_printf("%s\n", pdc_str);
285 static int net_lookup_master(struct net_context *c, int argc, const char **argv)
287 struct sockaddr_storage master_ss;
288 const char *domain = c->opt_target_workgroup;
289 char addr[INET6_ADDRSTRLEN];
294 if (!find_master_ip(domain, &master_ss))
296 print_sockaddr(addr, sizeof(addr), &master_ss);
297 d_printf("%s\n", addr);
301 static int net_lookup_kdc(struct net_context *c, int argc, const char **argv)
306 struct samba_sockaddr *kdcs = NULL;
308 char **get_host_realms = NULL;
313 rc = smb_krb5_init_context_common(&ctx);
315 DBG_ERR("kerberos init context failed (%s)\n",
322 } else if (lp_realm() && *lp_realm()) {
325 rc = krb5_get_host_realm(ctx, NULL, &get_host_realms);
327 DEBUG(1,("krb5_gethost_realm failed (%s)\n",
329 krb5_free_context(ctx);
332 realm = (const char *) *get_host_realms;
335 status = get_kdc_list(talloc_tos(),
340 if (!NT_STATUS_IS_OK(status)) {
341 DBG_WARNING("get_kdc_list failed (%s)\n",
343 krb5_free_host_realm(ctx, get_host_realms);
344 krb5_free_context(ctx);
348 for (i = 0; i < num_kdcs; i++) {
349 char addr[INET6_ADDRSTRLEN];
351 print_sockaddr(addr, sizeof(addr), &kdcs[i].u.ss);
353 d_printf("%s:88\n", addr);
356 krb5_free_host_realm(ctx, get_host_realms);
357 krb5_free_context(ctx);
361 DEBUG(1, ("No kerberos support\n"));
365 static int net_lookup_name(struct net_context *c, int argc, const char **argv)
367 const char *dom, *name;
369 struct dom_sid_buf buf;
370 enum lsa_SidType type;
375 _(" net lookup name <name>\n"));
379 if (!lookup_name(talloc_tos(), argv[0], LOOKUP_NAME_ALL,
380 &dom, &name, &sid, &type)) {
381 d_printf(_("Could not lookup name %s\n"), argv[0]);
385 d_printf("%s %d (%s) %s\\%s\n", dom_sid_str_buf(&sid, &buf),
386 type, sid_type_lookup(type), dom, name);
390 static int net_lookup_sid(struct net_context *c, int argc, const char **argv)
392 const char *dom, *name;
394 struct dom_sid_buf buf;
395 enum lsa_SidType type;
400 _(" net lookup sid <sid>\n"));
404 if (!string_to_sid(&sid, argv[0])) {
405 d_printf(_("Could not convert %s to SID\n"), argv[0]);
409 if (!lookup_sid(talloc_tos(), &sid,
410 &dom, &name, &type)) {
411 d_printf(_("Could not lookup name %s\n"), argv[0]);
415 d_printf("%s %d (%s) %s\\%s\n", dom_sid_str_buf(&sid, &buf),
416 type, sid_type_lookup(type), dom, name);
420 static int net_lookup_dsgetdcname(struct net_context *c, int argc, const char **argv)
423 const char *domain_name = NULL;
424 const char *site_name = NULL;
426 struct netr_DsRGetDCNameInfo *info = NULL;
430 if (argc < 1 || argc > 3) {
433 _(" net lookup dsgetdcname "
434 "<name> <flags> <sitename>\n"));
438 mem_ctx = talloc_init("net_lookup_dsgetdcname");
443 domain_name = argv[0];
446 sscanf(argv[1], "%x", &flags);
450 flags = DS_DIRECTORY_SERVICE_REQUIRED;
458 d_fprintf(stderr, _("Could not initialise message context. "
459 "Try running as root\n"));
463 status = dsgetdcname(mem_ctx, c->msg_ctx, domain_name, NULL, site_name,
465 if (!NT_STATUS_IS_OK(status)) {
466 d_printf(_("failed with: %s\n"), nt_errstr(status));
467 TALLOC_FREE(mem_ctx);
471 s = NDR_PRINT_STRUCT_STRING(mem_ctx, netr_DsRGetDCNameInfo, info);
475 TALLOC_FREE(mem_ctx);
480 /* lookup hosts or IP addresses using internal samba lookup fns */
481 int net_lookup(struct net_context *c, int argc, const char **argv)
485 struct functable table[] = {
488 .fn = net_lookup_host,
492 .fn = net_lookup_ldap,
500 .fn = net_lookup_pdc,
503 .funcname = "MASTER",
504 .fn = net_lookup_master,
508 .fn = net_lookup_kdc,
512 .fn = net_lookup_name,
516 .fn = net_lookup_sid,
519 .funcname = "DSGETDCNAME",
520 .fn = net_lookup_dsgetdcname,
528 d_printf(_("\nUsage: \n"));
529 return net_lookup_usage(c, argc, argv);
531 for (i=0; table[i].funcname; i++) {
532 if (strcasecmp_m(argv[0], table[i].funcname) == 0)
533 return table[i].fn(c, argc-1, argv+1);
536 /* Default to lookup a hostname so 'net lookup foo#1b' can be
537 used instead of 'net lookup host foo#1b'. The host syntax
538 is a bit confusing as non #00 names can't really be
539 considered hosts as such. */
541 return net_lookup_host(c, argc, argv);