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.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]\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, int numdcs )
79 struct sockaddr_storage ss;
82 for ( i=0; i<numdcs; i++ ) {
83 if (resolve_name(dclist[i].hostname, &ss, 0x20, true) ) {
84 char addr[INET6_ADDRSTRLEN];
85 print_sockaddr(addr, sizeof(addr), &ss);
87 if (ss.ss_family == AF_INET6) {
88 d_printf("[%s]:%d\n", addr, dclist[i].port);
91 if (ss.ss_family == AF_INET) {
92 d_printf("%s:%d\n", addr, dclist[i].port);
99 static int net_lookup_ldap(struct net_context *c, int argc, const char **argv)
103 struct sockaddr_storage ss;
104 struct dns_rr_srv *dcs = NULL;
110 char h_name[MAX_DNS_NAME_LENGTH];
115 domain = c->opt_target_workgroup;
117 if ( (ctx = talloc_init("net_lookup_ldap")) == NULL ) {
118 d_fprintf(stderr,"net_lookup_ldap: talloc_init() %s!\n",
123 sitename = sitename_fetch(ctx, domain);
125 DEBUG(9, ("Lookup up ldap for domain %s\n", domain));
127 status = ads_dns_query_dcs(ctx,
132 if ( NT_STATUS_IS_OK(status) && numdcs ) {
133 print_ldap_srvlist(dcs, numdcs);
138 DEBUG(9, ("Looking up PDC for domain %s\n", domain));
139 if (!get_pdc_ip(domain, &ss)) {
144 ret = sys_getnameinfo((struct sockaddr *)&ss,
145 sizeof(struct sockaddr_storage),
146 h_name, sizeof(h_name),
155 DEBUG(9, ("Found PDC with DNS name %s\n", h_name));
156 domain = strchr(h_name, '.');
163 DEBUG(9, ("Looking up ldap for domain %s\n", domain));
165 status = ads_dns_query_dcs(ctx,
170 if ( NT_STATUS_IS_OK(status) && numdcs ) {
171 print_ldap_srvlist(dcs, numdcs);
180 DEBUG(1,("No ADS support\n"));
184 static int net_lookup_dc(struct net_context *c, int argc, const char **argv)
186 struct ip_service *ip_list;
187 struct sockaddr_storage ss;
188 char *pdc_str = NULL;
189 const char *domain = NULL;
190 char *sitename = NULL;
192 char addr[INET6_ADDRSTRLEN];
193 bool sec_ads = (lp_security() == SEC_ADS);
198 domain = c->opt_target_workgroup;
205 if (!get_pdc_ip(domain, &ss))
208 print_sockaddr(addr, sizeof(addr), &ss);
209 if (asprintf(&pdc_str, "%s", addr) == -1) {
212 d_printf("%s\n", pdc_str);
214 sitename = sitename_fetch(talloc_tos(), domain);
215 if (!NT_STATUS_IS_OK(get_sorted_dc_list(domain, sitename,
216 &ip_list, &count, sec_ads))) {
218 TALLOC_FREE(sitename);
221 TALLOC_FREE(sitename);
222 for (i=0;i<count;i++) {
223 print_sockaddr(addr, sizeof(addr), &ip_list[i].ss);
224 if (!strequal(pdc_str, addr))
225 d_printf("%s\n", addr);
231 static int net_lookup_pdc(struct net_context *c, int argc, const char **argv)
233 struct sockaddr_storage ss;
234 char *pdc_str = NULL;
236 char addr[INET6_ADDRSTRLEN];
238 if (lp_security() == SEC_ADS) {
241 domain = c->opt_target_workgroup;
248 if (!get_pdc_ip(domain, &ss))
251 print_sockaddr(addr, sizeof(addr), &ss);
252 if (asprintf(&pdc_str, "%s", addr) == -1) {
255 d_printf("%s\n", pdc_str);
261 static int net_lookup_master(struct net_context *c, int argc, const char **argv)
263 struct sockaddr_storage master_ss;
264 const char *domain = c->opt_target_workgroup;
265 char addr[INET6_ADDRSTRLEN];
270 if (!find_master_ip(domain, &master_ss))
272 print_sockaddr(addr, sizeof(addr), &master_ss);
273 d_printf("%s\n", addr);
277 static int net_lookup_kdc(struct net_context *c, int argc, const char **argv)
282 struct ip_service *kdcs;
288 initialize_krb5_error_table();
289 rc = krb5_init_context(&ctx);
291 DEBUG(1,("krb5_init_context failed (%s)\n",
298 } else if (lp_realm() && *lp_realm()) {
303 rc = krb5_get_host_realm(ctx, NULL, &realms);
305 DEBUG(1,("krb5_gethost_realm failed (%s)\n",
309 realm = (const char *) *realms;
312 status = get_kdc_list(realm, NULL, &kdcs, &num_kdcs);
313 if (!NT_STATUS_IS_OK(status)) {
314 DEBUG(1,("get_kdc_list failed (%s)\n", nt_errstr(status)));
318 for (i = 0; i < num_kdcs; i++) {
319 char addr[INET6_ADDRSTRLEN];
321 print_sockaddr(addr, sizeof(addr), &kdcs[i].ss);
323 d_printf("%s:%u\n", addr, kdcs[i].port);
328 DEBUG(1, ("No kerberos support\n"));
332 static int net_lookup_name(struct net_context *c, int argc, const char **argv)
334 const char *dom, *name;
336 enum lsa_SidType type;
341 _(" net lookup name <name>\n"));
345 if (!lookup_name(talloc_tos(), argv[0], LOOKUP_NAME_ALL,
346 &dom, &name, &sid, &type)) {
347 d_printf(_("Could not lookup name %s\n"), argv[0]);
351 d_printf("%s %d (%s) %s\\%s\n", sid_string_tos(&sid),
352 type, sid_type_lookup(type), dom, name);
356 static int net_lookup_sid(struct net_context *c, int argc, const char **argv)
358 const char *dom, *name;
360 enum lsa_SidType type;
365 _(" net lookup sid <sid>\n"));
369 if (!string_to_sid(&sid, argv[0])) {
370 d_printf(_("Could not convert %s to SID\n"), argv[0]);
374 if (!lookup_sid(talloc_tos(), &sid,
375 &dom, &name, &type)) {
376 d_printf(_("Could not lookup name %s\n"), argv[0]);
380 d_printf("%s %d (%s) %s\\%s\n", sid_string_tos(&sid),
381 type, sid_type_lookup(type), dom, name);
385 static int net_lookup_dsgetdcname(struct net_context *c, int argc, const char **argv)
388 const char *domain_name = NULL;
389 const char *site_name = NULL;
391 struct netr_DsRGetDCNameInfo *info = NULL;
395 if (argc < 1 || argc > 3) {
398 _(" net lookup dsgetdcname "
399 "<name> <flags> <sitename>\n"));
403 mem_ctx = talloc_init("net_lookup_dsgetdcname");
408 domain_name = argv[0];
411 sscanf(argv[1], "%x", &flags);
415 flags = DS_DIRECTORY_SERVICE_REQUIRED;
423 d_fprintf(stderr, _("Could not initialise message context. "
424 "Try running as root\n"));
428 status = dsgetdcname(mem_ctx, c->msg_ctx, domain_name, NULL, site_name,
430 if (!NT_STATUS_IS_OK(status)) {
431 d_printf(_("failed with: %s\n"), nt_errstr(status));
432 TALLOC_FREE(mem_ctx);
436 s = NDR_PRINT_STRUCT_STRING(mem_ctx, netr_DsRGetDCNameInfo, info);
440 TALLOC_FREE(mem_ctx);
445 /* lookup hosts or IP addresses using internal samba lookup fns */
446 int net_lookup(struct net_context *c, int argc, const char **argv)
450 struct functable table[] = {
451 {"HOST", net_lookup_host},
452 {"LDAP", net_lookup_ldap},
453 {"DC", net_lookup_dc},
454 {"PDC", net_lookup_pdc},
455 {"MASTER", net_lookup_master},
456 {"KDC", net_lookup_kdc},
457 {"NAME", net_lookup_name},
458 {"SID", net_lookup_sid},
459 {"DSGETDCNAME", net_lookup_dsgetdcname},
464 d_printf(_("\nUsage: \n"));
465 return net_lookup_usage(c, argc, argv);
467 for (i=0; table[i].funcname; i++) {
468 if (strcasecmp_m(argv[0], table[i].funcname) == 0)
469 return table[i].fn(c, argc-1, argv+1);
472 /* Default to lookup a hostname so 'net lookup foo#1b' can be
473 used instead of 'net lookup host foo#1b'. The host syntax
474 is a bit confusing as non #00 names can't really be
475 considered hosts as such. */
477 return net_lookup_host(c, argc, argv);