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(struct net_context *c, 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(struct net_context *c, 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(c, argc, argv);
50 p = strchr_m(name,'#');
53 sscanf(++p,"%x",&name_type);
56 if (!resolve_name(name, &ss, name_type, false)) {
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, true) ) {
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(struct net_context *c, int argc, const char **argv)
95 struct sockaddr_storage ss;
96 struct dns_rr_srv *dcs = NULL;
102 char h_name[MAX_DNS_NAME_LENGTH];
107 domain = c->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() %s!\n",
118 DEBUG(9, ("Lookup up ldap for domain %s\n", domain));
120 status = ads_dns_query_dcs( ctx, domain, sitename, &dcs, &numdcs );
121 if ( NT_STATUS_IS_OK(status) && numdcs ) {
122 print_ldap_srvlist(dcs, numdcs);
128 DEBUG(9, ("Looking up PDC for domain %s\n", domain));
129 if (!get_pdc_ip(domain, &ss)) {
135 ret = sys_getnameinfo((struct sockaddr *)&ss,
136 sizeof(struct sockaddr_storage),
137 h_name, sizeof(h_name),
147 DEBUG(9, ("Found PDC with DNS name %s\n", h_name));
148 domain = strchr(h_name, '.');
156 DEBUG(9, ("Looking up ldap for domain %s\n", domain));
158 status = ads_dns_query_dcs( ctx, domain, sitename, &dcs, &numdcs );
159 if ( NT_STATUS_IS_OK(status) && numdcs ) {
160 print_ldap_srvlist(dcs, numdcs);
171 DEBUG(1,("No ADS support\n"));
175 static int net_lookup_dc(struct net_context *c, int argc, const char **argv)
177 struct ip_service *ip_list;
178 struct sockaddr_storage ss;
179 char *pdc_str = NULL;
180 const char *domain = NULL;
181 char *sitename = NULL;
183 char addr[INET6_ADDRSTRLEN];
184 bool sec_ads = (lp_security() == SEC_ADS);
189 domain = c->opt_target_workgroup;
196 if (!get_pdc_ip(domain, &ss))
199 print_sockaddr(addr, sizeof(addr), &ss);
200 if (asprintf(&pdc_str, "%s", addr) == -1) {
203 d_printf("%s\n", pdc_str);
205 sitename = sitename_fetch(domain);
206 if (!NT_STATUS_IS_OK(get_sorted_dc_list(domain, sitename,
207 &ip_list, &count, sec_ads))) {
213 for (i=0;i<count;i++) {
214 print_sockaddr(addr, sizeof(addr), &ip_list[i].ss);
215 if (!strequal(pdc_str, addr))
216 d_printf("%s\n", addr);
222 static int net_lookup_pdc(struct net_context *c, int argc, const char **argv)
224 struct sockaddr_storage ss;
225 char *pdc_str = NULL;
227 char addr[INET6_ADDRSTRLEN];
229 if (lp_security() == SEC_ADS) {
232 domain = c->opt_target_workgroup;
239 if (!get_pdc_ip(domain, &ss))
242 print_sockaddr(addr, sizeof(addr), &ss);
243 if (asprintf(&pdc_str, "%s", addr) == -1) {
246 d_printf("%s\n", pdc_str);
252 static int net_lookup_master(struct net_context *c, int argc, const char **argv)
254 struct sockaddr_storage master_ss;
255 const char *domain = c->opt_target_workgroup;
256 char addr[INET6_ADDRSTRLEN];
261 if (!find_master_ip(domain, &master_ss))
263 print_sockaddr(addr, sizeof(addr), &master_ss);
264 d_printf("%s\n", addr);
268 static int net_lookup_kdc(struct net_context *c, int argc, const char **argv)
273 struct sockaddr_in *addrs;
278 initialize_krb5_error_table();
279 rc = krb5_init_context(&ctx);
281 DEBUG(1,("krb5_init_context failed (%s)\n",
287 realm.data = CONST_DISCARD(char *, argv[0]);
288 realm.length = strlen(argv[0]);
289 } else if (lp_realm() && *lp_realm()) {
290 realm.data = lp_realm();
291 realm.length = strlen((const char *)realm.data);
293 rc = krb5_get_host_realm(ctx, NULL, &realms);
295 DEBUG(1,("krb5_gethost_realm failed (%s)\n",
299 realm.data = (char *) *realms;
300 realm.length = strlen((const char *)realm.data);
303 rc = smb_krb5_locate_kdc(ctx, &realm, (struct sockaddr **)(void *)&addrs, &num_kdcs, 0);
305 DEBUG(1, ("smb_krb5_locate_kdc failed (%s)\n", error_message(rc)));
308 for (i=0;i<num_kdcs;i++)
309 if (addrs[i].sin_family == AF_INET)
310 d_printf("%s:%hd\n", inet_ntoa(addrs[i].sin_addr),
311 ntohs(addrs[i].sin_port));
315 DEBUG(1, ("No kerberos support\n"));
319 static int net_lookup_name(struct net_context *c, int argc, const char **argv)
321 const char *dom, *name;
323 enum lsa_SidType type;
328 _(" net lookup name <name>\n"));
332 if (!lookup_name(talloc_tos(), argv[0], LOOKUP_NAME_ALL,
333 &dom, &name, &sid, &type)) {
334 d_printf(_("Could not lookup name %s\n"), argv[0]);
338 d_printf("%s %d (%s) %s\\%s\n", sid_string_tos(&sid),
339 type, sid_type_lookup(type), dom, name);
343 static int net_lookup_sid(struct net_context *c, int argc, const char **argv)
345 const char *dom, *name;
347 enum lsa_SidType type;
352 _(" net lookup sid <sid>\n"));
356 if (!string_to_sid(&sid, argv[0])) {
357 d_printf(_("Could not convert %s to SID\n"), argv[0]);
361 if (!lookup_sid(talloc_tos(), &sid,
362 &dom, &name, &type)) {
363 d_printf(_("Could not lookup name %s\n"), argv[0]);
367 d_printf("%s %d (%s) %s\\%s\n", sid_string_tos(&sid),
368 type, sid_type_lookup(type), dom, name);
372 static int net_lookup_dsgetdcname(struct net_context *c, int argc, const char **argv)
375 const char *domain_name = NULL;
376 const char *site_name = NULL;
378 struct netr_DsRGetDCNameInfo *info = NULL;
382 if (argc < 1 || argc > 3) {
385 _(" net lookup dsgetdcname "
386 "<name> <flags> <sitename>\n"));
390 mem_ctx = talloc_init("net_lookup_dsgetdcname");
395 domain_name = argv[0];
398 sscanf(argv[1], "%x", &flags);
401 flags |= DS_DIRECTORY_SERVICE_REQUIRED;
408 status = dsgetdcname(mem_ctx, NULL, domain_name, NULL, site_name,
410 if (!NT_STATUS_IS_OK(status)) {
411 d_printf(_("failed with: %s\n"), nt_errstr(status));
412 TALLOC_FREE(mem_ctx);
416 s = NDR_PRINT_STRUCT_STRING(mem_ctx, netr_DsRGetDCNameInfo, info);
420 TALLOC_FREE(mem_ctx);
425 /* lookup hosts or IP addresses using internal samba lookup fns */
426 int net_lookup(struct net_context *c, int argc, const char **argv)
430 struct functable table[] = {
431 {"HOST", net_lookup_host},
432 {"LDAP", net_lookup_ldap},
433 {"DC", net_lookup_dc},
434 {"PDC", net_lookup_pdc},
435 {"MASTER", net_lookup_master},
436 {"KDC", net_lookup_kdc},
437 {"NAME", net_lookup_name},
438 {"SID", net_lookup_sid},
439 {"DSGETDCNAME", net_lookup_dsgetdcname},
444 d_printf(_("\nUsage: \n"));
445 return net_lookup_usage(c, argc, argv);
447 for (i=0; table[i].funcname; i++) {
448 if (StrCaseCmp(argv[0], table[i].funcname) == 0)
449 return table[i].fn(c, argc-1, argv+1);
452 /* Default to lookup a hostname so 'net lookup foo#1b' can be
453 used instead of 'net lookup host foo#1b'. The host syntax
454 is a bit confusing as non #00 names can't really be
455 considered hosts as such. */
457 return net_lookup_host(c, argc, argv);