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"
22 int net_lookup_usage(int argc, const char **argv)
25 " net lookup [host] HOSTNAME[#<type>]\n\tgives IP for a hostname\n\n"
26 " net lookup ldap [domain]\n\tgives IP of domain's ldap server\n\n"
27 " net lookup kdc [realm]\n\tgives IP of realm's kerberos KDC\n\n"
28 " net lookup pdc [domain|realm]\n\tgives IP of realm's kerberos KDC\n\n"
29 " net lookup dc [domain]\n\tgives IP of domains Domain Controllers\n\n"
30 " net lookup master [domain|wg]\n\tgive IP of master browser\n\n"
31 " net lookup name [name]\n\tLookup name's sid and type\n\n"
32 " net lookup sid [sid]\n\tGive sid's name and type\n\n"
33 " net lookup dsgetdcname [name] [flags] [sitename]\n\n"
38 /* lookup a hostname giving an IP */
39 static int net_lookup_host(int argc, const char **argv)
41 struct sockaddr_storage ss;
43 char addr[INET6_ADDRSTRLEN];
44 const char *name = argv[0];
48 return net_lookup_usage(argc, argv);
50 p = strchr_m(name,'#');
53 sscanf(++p,"%x",&name_type);
56 if (!resolve_name(name, &ss, name_type)) {
57 /* we deliberately use DEBUG() here to send it to stderr
58 so scripts aren't mucked up */
59 DEBUG(0,("Didn't find %s#%02x\n", name, name_type));
63 print_sockaddr(addr, sizeof(addr), &ss);
64 d_printf("%s\n", addr);
69 static void print_ldap_srvlist(struct dns_rr_srv *dclist, int numdcs )
71 struct sockaddr_storage ss;
74 for ( i=0; i<numdcs; i++ ) {
75 if (resolve_name(dclist[i].hostname, &ss, 0x20) ) {
76 char addr[INET6_ADDRSTRLEN];
77 print_sockaddr(addr, sizeof(addr), &ss);
79 if (ss.ss_family == AF_INET6) {
80 d_printf("[%s]:%d\n", addr, dclist[i].port);
83 if (ss.ss_family == AF_INET) {
84 d_printf("%s:%d\n", addr, dclist[i].port);
91 static int net_lookup_ldap(int argc, const char **argv)
95 struct sockaddr_storage ss;
96 struct dns_rr_srv *dcs = NULL;
102 char h_name[HOST_NAME_MAX];
107 domain = opt_target_workgroup;
109 sitename = sitename_fetch(domain);
111 if ( (ctx = talloc_init("net_lookup_ldap")) == NULL ) {
112 d_fprintf(stderr, "net_lookup_ldap: talloc_init() failed!\n");
117 DEBUG(9, ("Lookup up ldap for domain %s\n", domain));
119 status = ads_dns_query_dcs( ctx, domain, sitename, &dcs, &numdcs );
120 if ( NT_STATUS_IS_OK(status) && numdcs ) {
121 print_ldap_srvlist(dcs, numdcs);
127 DEBUG(9, ("Looking up PDC for domain %s\n", domain));
128 if (!get_pdc_ip(domain, &ss)) {
134 ret = sys_getnameinfo((struct sockaddr *)&ss,
135 sizeof(struct sockaddr_storage),
136 h_name, sizeof(h_name),
146 DEBUG(9, ("Found PDC with DNS name %s\n", h_name));
147 domain = strchr(h_name, '.');
155 DEBUG(9, ("Looking up ldap for domain %s\n", domain));
157 status = ads_dns_query_dcs( ctx, domain, sitename, &dcs, &numdcs );
158 if ( NT_STATUS_IS_OK(status) && numdcs ) {
159 print_ldap_srvlist(dcs, numdcs);
170 DEBUG(1,("No ADS support\n"));
174 static int net_lookup_dc(int argc, const char **argv)
176 struct ip_service *ip_list;
177 struct sockaddr_storage ss;
178 char *pdc_str = NULL;
179 const char *domain = NULL;
180 char *sitename = NULL;
182 char addr[INET6_ADDRSTRLEN];
183 bool sec_ads = (lp_security() == SEC_ADS);
188 domain = opt_target_workgroup;
195 if (!get_pdc_ip(domain, &ss))
198 print_sockaddr(addr, sizeof(addr), &ss);
199 asprintf(&pdc_str, "%s", addr);
200 d_printf("%s\n", pdc_str);
202 sitename = sitename_fetch(domain);
203 if (!NT_STATUS_IS_OK(get_sorted_dc_list(domain, sitename,
204 &ip_list, &count, sec_ads))) {
210 for (i=0;i<count;i++) {
211 print_sockaddr(addr, sizeof(addr), &ip_list[i].ss);
212 if (!strequal(pdc_str, addr))
213 d_printf("%s\n", addr);
219 static int net_lookup_pdc(int argc, const char **argv)
221 struct sockaddr_storage ss;
222 char *pdc_str = NULL;
224 char addr[INET6_ADDRSTRLEN];
226 if (lp_security() == SEC_ADS) {
229 domain = opt_target_workgroup;
236 if (!get_pdc_ip(domain, &ss))
239 print_sockaddr(addr, sizeof(addr), &ss);
240 asprintf(&pdc_str, "%s", addr);
241 d_printf("%s\n", pdc_str);
247 static int net_lookup_master(int argc, const char **argv)
249 struct sockaddr_storage master_ss;
250 const char *domain=opt_target_workgroup;
251 char addr[INET6_ADDRSTRLEN];
256 if (!find_master_ip(domain, &master_ss))
258 print_sockaddr(addr, sizeof(addr), &master_ss);
259 d_printf("%s\n", addr);
263 static int net_lookup_kdc(int argc, const char **argv)
268 struct sockaddr_in *addrs;
273 initialize_krb5_error_table();
274 rc = krb5_init_context(&ctx);
276 DEBUG(1,("krb5_init_context failed (%s)\n",
282 realm.data = CONST_DISCARD(char *, argv[0]);
283 realm.length = strlen(argv[0]);
284 } else if (lp_realm() && *lp_realm()) {
285 realm.data = lp_realm();
286 realm.length = strlen((const char *)realm.data);
288 rc = krb5_get_host_realm(ctx, NULL, &realms);
290 DEBUG(1,("krb5_gethost_realm failed (%s)\n",
294 realm.data = (char *) *realms;
295 realm.length = strlen((const char *)realm.data);
298 rc = smb_krb5_locate_kdc(ctx, &realm, (struct sockaddr **)(void *)&addrs, &num_kdcs, 0);
300 DEBUG(1, ("smb_krb5_locate_kdc failed (%s)\n", error_message(rc)));
303 for (i=0;i<num_kdcs;i++)
304 if (addrs[i].sin_family == AF_INET)
305 d_printf("%s:%hd\n", inet_ntoa(addrs[i].sin_addr),
306 ntohs(addrs[i].sin_port));
310 DEBUG(1, ("No kerberos support\n"));
314 static int net_lookup_name(int argc, const char **argv)
316 const char *dom, *name;
318 enum lsa_SidType type;
321 d_printf("usage: net lookup name <name>\n");
325 if (!lookup_name(talloc_tos(), argv[0], LOOKUP_NAME_ALL,
326 &dom, &name, &sid, &type)) {
327 d_printf("Could not lookup name %s\n", argv[0]);
331 d_printf("%s %d (%s) %s\\%s\n", sid_string_static(&sid),
332 type, sid_type_lookup(type), dom, name);
336 static int net_lookup_sid(int argc, const char **argv)
338 const char *dom, *name;
340 enum lsa_SidType type;
343 d_printf("usage: net lookup sid <sid>\n");
347 if (!string_to_sid(&sid, argv[0])) {
348 d_printf("Could not convert %s to SID\n", argv[0]);
352 if (!lookup_sid(talloc_tos(), &sid,
353 &dom, &name, &type)) {
354 d_printf("Could not lookup name %s\n", argv[0]);
358 d_printf("%s %d (%s) %s\\%s\n", sid_string_static(&sid),
359 type, sid_type_lookup(type), dom, name);
363 static int net_lookup_dsgetdcname(int argc, const char **argv)
366 const char *domain_name = NULL;
367 char *site_name = NULL;
369 struct DS_DOMAIN_CONTROLLER_INFO *info = NULL;
372 if (argc < 1 || argc > 3) {
373 d_printf("usage: net lookup dsgetdcname "
374 "<name> <flags> <sitename>\n");
378 mem_ctx = talloc_init("net_lookup_dsgetdcname");
383 domain_name = argv[0];
386 sscanf(argv[1], "%x", &flags);
389 flags |= DS_DIRECTORY_SERVICE_REQUIRED;
393 site_name = SMB_STRDUP(argv[2]);
395 TALLOC_FREE(mem_ctx);
401 site_name = sitename_fetch(domain_name);
404 status = DsGetDcName(mem_ctx, NULL, domain_name, NULL, site_name,
406 if (!NT_STATUS_IS_OK(status)) {
407 d_printf("failed with: %s\n", nt_errstr(status));
408 SAFE_FREE(site_name);
409 TALLOC_FREE(mem_ctx);
413 display_ds_domain_controller_info(mem_ctx, info);
415 SAFE_FREE(site_name);
416 TALLOC_FREE(mem_ctx);
421 /* lookup hosts or IP addresses using internal samba lookup fns */
422 int net_lookup(int argc, const char **argv)
426 struct functable table[] = {
427 {"HOST", net_lookup_host},
428 {"LDAP", net_lookup_ldap},
429 {"DC", net_lookup_dc},
430 {"PDC", net_lookup_pdc},
431 {"MASTER", net_lookup_master},
432 {"KDC", net_lookup_kdc},
433 {"NAME", net_lookup_name},
434 {"SID", net_lookup_sid},
435 {"DSGETDCNAME", net_lookup_dsgetdcname},
440 d_printf("\nUsage: \n");
441 return net_lookup_usage(argc, argv);
443 for (i=0; table[i].funcname; i++) {
444 if (StrCaseCmp(argv[0], table[i].funcname) == 0)
445 return table[i].fn(argc-1, argv+1);
448 /* Default to lookup a hostname so 'net lookup foo#1b' can be
449 used instead of 'net lookup host foo#1b'. The host syntax
450 is a bit confusing as non #00 names can't really be
451 considered hosts as such. */
453 return net_lookup_host(argc, argv);