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 "libads/sitename_cache.h"
22 #include "libads/dns.h"
23 #include "../librpc/gen_ndr/ndr_netlogon.h"
26 int net_lookup_usage(struct net_context *c, int argc, const char **argv)
29 " net lookup [host] HOSTNAME[#<type>]\n\tgives IP for a hostname\n\n"
30 " net lookup ldap [domain]\n\tgives IP of domain's ldap server\n\n"
31 " net lookup kdc [realm]\n\tgives IP of realm's kerberos KDC\n\n"
32 " net lookup pdc [domain|realm]\n\tgives IP of realm's kerberos KDC\n\n"
33 " net lookup dc [domain]\n\tgives IP of domains Domain Controllers\n\n"
34 " net lookup master [domain|wg]\n\tgive IP of master browser\n\n"
35 " net lookup name [name]\n\tLookup name's sid and type\n\n"
36 " net lookup sid [sid]\n\tGive sid's name and type\n\n"
37 " net lookup dsgetdcname [name] [flags] [sitename]\n\n"
42 /* lookup a hostname giving an IP */
43 static int net_lookup_host(struct net_context *c, int argc, const char **argv)
45 struct sockaddr_storage ss;
47 char addr[INET6_ADDRSTRLEN];
48 const char *name = argv[0];
52 return net_lookup_usage(c, argc, argv);
54 p = strchr_m(name,'#');
57 sscanf(++p,"%x",&name_type);
60 if (!resolve_name(name, &ss, name_type, false)) {
61 /* we deliberately use DEBUG() here to send it to stderr
62 so scripts aren't mucked up */
63 DEBUG(0,("Didn't find %s#%02x\n", name, name_type));
67 print_sockaddr(addr, sizeof(addr), &ss);
68 d_printf("%s\n", addr);
73 static void print_ldap_srvlist(struct dns_rr_srv *dclist, int numdcs )
75 struct sockaddr_storage ss;
78 for ( i=0; i<numdcs; i++ ) {
79 if (resolve_name(dclist[i].hostname, &ss, 0x20, true) ) {
80 char addr[INET6_ADDRSTRLEN];
81 print_sockaddr(addr, sizeof(addr), &ss);
83 if (ss.ss_family == AF_INET6) {
84 d_printf("[%s]:%d\n", addr, dclist[i].port);
87 if (ss.ss_family == AF_INET) {
88 d_printf("%s:%d\n", addr, dclist[i].port);
95 static int net_lookup_ldap(struct net_context *c, int argc, const char **argv)
99 struct sockaddr_storage ss;
100 struct dns_rr_srv *dcs = NULL;
106 char h_name[MAX_DNS_NAME_LENGTH];
111 domain = c->opt_target_workgroup;
113 sitename = sitename_fetch(domain);
115 if ( (ctx = talloc_init("net_lookup_ldap")) == NULL ) {
116 d_fprintf(stderr,"net_lookup_ldap: talloc_init() %s!\n",
122 DEBUG(9, ("Lookup up ldap for domain %s\n", domain));
124 status = ads_dns_query_dcs( ctx, domain, sitename, &dcs, &numdcs );
125 if ( NT_STATUS_IS_OK(status) && numdcs ) {
126 print_ldap_srvlist(dcs, numdcs);
132 DEBUG(9, ("Looking up PDC for domain %s\n", domain));
133 if (!get_pdc_ip(domain, &ss)) {
139 ret = sys_getnameinfo((struct sockaddr *)&ss,
140 sizeof(struct sockaddr_storage),
141 h_name, sizeof(h_name),
151 DEBUG(9, ("Found PDC with DNS name %s\n", h_name));
152 domain = strchr(h_name, '.');
160 DEBUG(9, ("Looking up ldap for domain %s\n", domain));
162 status = ads_dns_query_dcs( ctx, domain, sitename, &dcs, &numdcs );
163 if ( NT_STATUS_IS_OK(status) && numdcs ) {
164 print_ldap_srvlist(dcs, numdcs);
175 DEBUG(1,("No ADS support\n"));
179 static int net_lookup_dc(struct net_context *c, int argc, const char **argv)
181 struct ip_service *ip_list;
182 struct sockaddr_storage ss;
183 char *pdc_str = NULL;
184 const char *domain = NULL;
185 char *sitename = NULL;
187 char addr[INET6_ADDRSTRLEN];
188 bool sec_ads = (lp_security() == SEC_ADS);
193 domain = c->opt_target_workgroup;
200 if (!get_pdc_ip(domain, &ss))
203 print_sockaddr(addr, sizeof(addr), &ss);
204 if (asprintf(&pdc_str, "%s", addr) == -1) {
207 d_printf("%s\n", pdc_str);
209 sitename = sitename_fetch(domain);
210 if (!NT_STATUS_IS_OK(get_sorted_dc_list(domain, sitename,
211 &ip_list, &count, sec_ads))) {
217 for (i=0;i<count;i++) {
218 print_sockaddr(addr, sizeof(addr), &ip_list[i].ss);
219 if (!strequal(pdc_str, addr))
220 d_printf("%s\n", addr);
226 static int net_lookup_pdc(struct net_context *c, int argc, const char **argv)
228 struct sockaddr_storage ss;
229 char *pdc_str = NULL;
231 char addr[INET6_ADDRSTRLEN];
233 if (lp_security() == SEC_ADS) {
236 domain = c->opt_target_workgroup;
243 if (!get_pdc_ip(domain, &ss))
246 print_sockaddr(addr, sizeof(addr), &ss);
247 if (asprintf(&pdc_str, "%s", addr) == -1) {
250 d_printf("%s\n", pdc_str);
256 static int net_lookup_master(struct net_context *c, int argc, const char **argv)
258 struct sockaddr_storage master_ss;
259 const char *domain = c->opt_target_workgroup;
260 char addr[INET6_ADDRSTRLEN];
265 if (!find_master_ip(domain, &master_ss))
267 print_sockaddr(addr, sizeof(addr), &master_ss);
268 d_printf("%s\n", addr);
272 static int net_lookup_kdc(struct net_context *c, int argc, const char **argv)
277 struct sockaddr_in *addrs;
282 initialize_krb5_error_table();
283 rc = krb5_init_context(&ctx);
285 DEBUG(1,("krb5_init_context failed (%s)\n",
291 realm.data = CONST_DISCARD(char *, argv[0]);
292 realm.length = strlen(argv[0]);
293 } else if (lp_realm() && *lp_realm()) {
294 realm.data = lp_realm();
295 realm.length = strlen((const char *)realm.data);
297 rc = krb5_get_host_realm(ctx, NULL, &realms);
299 DEBUG(1,("krb5_gethost_realm failed (%s)\n",
303 realm.data = (char *) *realms;
304 realm.length = strlen((const char *)realm.data);
307 rc = smb_krb5_locate_kdc(ctx, &realm, (struct sockaddr **)(void *)&addrs, &num_kdcs, 0);
309 DEBUG(1, ("smb_krb5_locate_kdc failed (%s)\n", error_message(rc)));
312 for (i=0;i<num_kdcs;i++)
313 if (addrs[i].sin_family == AF_INET)
314 d_printf("%s:%hd\n", inet_ntoa(addrs[i].sin_addr),
315 ntohs(addrs[i].sin_port));
319 DEBUG(1, ("No kerberos support\n"));
323 static int net_lookup_name(struct net_context *c, int argc, const char **argv)
325 const char *dom, *name;
327 enum lsa_SidType type;
332 _(" net lookup name <name>\n"));
336 if (!lookup_name(talloc_tos(), argv[0], LOOKUP_NAME_ALL,
337 &dom, &name, &sid, &type)) {
338 d_printf(_("Could not lookup name %s\n"), argv[0]);
342 d_printf("%s %d (%s) %s\\%s\n", sid_string_tos(&sid),
343 type, sid_type_lookup(type), dom, name);
347 static int net_lookup_sid(struct net_context *c, int argc, const char **argv)
349 const char *dom, *name;
351 enum lsa_SidType type;
356 _(" net lookup sid <sid>\n"));
360 if (!string_to_sid(&sid, argv[0])) {
361 d_printf(_("Could not convert %s to SID\n"), argv[0]);
365 if (!lookup_sid(talloc_tos(), &sid,
366 &dom, &name, &type)) {
367 d_printf(_("Could not lookup name %s\n"), argv[0]);
371 d_printf("%s %d (%s) %s\\%s\n", sid_string_tos(&sid),
372 type, sid_type_lookup(type), dom, name);
376 static int net_lookup_dsgetdcname(struct net_context *c, int argc, const char **argv)
379 const char *domain_name = NULL;
380 const char *site_name = NULL;
382 struct netr_DsRGetDCNameInfo *info = NULL;
386 if (argc < 1 || argc > 3) {
389 _(" net lookup dsgetdcname "
390 "<name> <flags> <sitename>\n"));
394 mem_ctx = talloc_init("net_lookup_dsgetdcname");
399 domain_name = argv[0];
402 sscanf(argv[1], "%x", &flags);
405 flags |= DS_DIRECTORY_SERVICE_REQUIRED;
412 status = dsgetdcname(mem_ctx, c->msg_ctx, domain_name, NULL, site_name,
414 if (!NT_STATUS_IS_OK(status)) {
415 d_printf(_("failed with: %s\n"), nt_errstr(status));
416 TALLOC_FREE(mem_ctx);
420 s = NDR_PRINT_STRUCT_STRING(mem_ctx, netr_DsRGetDCNameInfo, info);
424 TALLOC_FREE(mem_ctx);
429 /* lookup hosts or IP addresses using internal samba lookup fns */
430 int net_lookup(struct net_context *c, int argc, const char **argv)
434 struct functable table[] = {
435 {"HOST", net_lookup_host},
436 {"LDAP", net_lookup_ldap},
437 {"DC", net_lookup_dc},
438 {"PDC", net_lookup_pdc},
439 {"MASTER", net_lookup_master},
440 {"KDC", net_lookup_kdc},
441 {"NAME", net_lookup_name},
442 {"SID", net_lookup_sid},
443 {"DSGETDCNAME", net_lookup_dsgetdcname},
448 d_printf(_("\nUsage: \n"));
449 return net_lookup_usage(c, argc, argv);
451 for (i=0; table[i].funcname; i++) {
452 if (StrCaseCmp(argv[0], table[i].funcname) == 0)
453 return table[i].fn(c, argc-1, argv+1);
456 /* Default to lookup a hostname so 'net lookup foo#1b' can be
457 used instead of 'net lookup host foo#1b'. The host syntax
458 is a bit confusing as non #00 names can't really be
459 considered hosts as such. */
461 return net_lookup_host(c, argc, argv);