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"
25 #include "../libcli/security/security.h"
26 #include "passdb/lookup_sid.h"
28 int net_lookup_usage(struct net_context *c, int argc, const char **argv)
31 " net lookup [host] HOSTNAME[#<type>]\n\tgives IP for a hostname\n\n"
32 " net lookup ldap [domain]\n\tgives IP of domain's ldap server\n\n"
33 " net lookup kdc [realm]\n\tgives IP of realm's kerberos KDC\n\n"
34 " net lookup pdc [domain|realm]\n\tgives IP of realm's kerberos KDC\n\n"
35 " net lookup dc [domain]\n\tgives IP of domains Domain Controllers\n\n"
36 " net lookup master [domain|wg]\n\tgive IP of master browser\n\n"
37 " net lookup name [name]\n\tLookup name's sid and type\n\n"
38 " net lookup sid [sid]\n\tGive sid's name and type\n\n"
39 " net lookup dsgetdcname [name] [flags] [sitename]\n\n"
44 /* lookup a hostname giving an IP */
45 static int net_lookup_host(struct net_context *c, int argc, const char **argv)
47 struct sockaddr_storage ss;
49 char addr[INET6_ADDRSTRLEN];
50 const char *name = argv[0];
54 return net_lookup_usage(c, argc, argv);
56 p = strchr_m(name,'#');
59 sscanf(++p,"%x",&name_type);
62 if (!resolve_name(name, &ss, name_type, false)) {
63 /* we deliberately use DEBUG() here to send it to stderr
64 so scripts aren't mucked up */
65 DEBUG(0,("Didn't find %s#%02x\n", name, name_type));
69 print_sockaddr(addr, sizeof(addr), &ss);
70 d_printf("%s\n", addr);
75 static void print_ldap_srvlist(struct dns_rr_srv *dclist, int numdcs )
77 struct sockaddr_storage ss;
80 for ( i=0; i<numdcs; i++ ) {
81 if (resolve_name(dclist[i].hostname, &ss, 0x20, true) ) {
82 char addr[INET6_ADDRSTRLEN];
83 print_sockaddr(addr, sizeof(addr), &ss);
85 if (ss.ss_family == AF_INET6) {
86 d_printf("[%s]:%d\n", addr, dclist[i].port);
89 if (ss.ss_family == AF_INET) {
90 d_printf("%s:%d\n", addr, dclist[i].port);
97 static int net_lookup_ldap(struct net_context *c, int argc, const char **argv)
101 struct sockaddr_storage ss;
102 struct dns_rr_srv *dcs = NULL;
108 char h_name[MAX_DNS_NAME_LENGTH];
113 domain = c->opt_target_workgroup;
115 sitename = sitename_fetch(domain);
117 if ( (ctx = talloc_init("net_lookup_ldap")) == NULL ) {
118 d_fprintf(stderr,"net_lookup_ldap: talloc_init() %s!\n",
124 DEBUG(9, ("Lookup up ldap for domain %s\n", domain));
126 status = ads_dns_query_dcs( ctx, domain, sitename, &dcs, &numdcs );
127 if ( NT_STATUS_IS_OK(status) && numdcs ) {
128 print_ldap_srvlist(dcs, numdcs);
134 DEBUG(9, ("Looking up PDC for domain %s\n", domain));
135 if (!get_pdc_ip(domain, &ss)) {
141 ret = sys_getnameinfo((struct sockaddr *)&ss,
142 sizeof(struct sockaddr_storage),
143 h_name, sizeof(h_name),
153 DEBUG(9, ("Found PDC with DNS name %s\n", h_name));
154 domain = strchr(h_name, '.');
162 DEBUG(9, ("Looking up ldap for domain %s\n", domain));
164 status = ads_dns_query_dcs( ctx, domain, sitename, &dcs, &numdcs );
165 if ( NT_STATUS_IS_OK(status) && numdcs ) {
166 print_ldap_srvlist(dcs, numdcs);
177 DEBUG(1,("No ADS support\n"));
181 static int net_lookup_dc(struct net_context *c, int argc, const char **argv)
183 struct ip_service *ip_list;
184 struct sockaddr_storage ss;
185 char *pdc_str = NULL;
186 const char *domain = NULL;
187 char *sitename = NULL;
189 char addr[INET6_ADDRSTRLEN];
190 bool sec_ads = (lp_security() == SEC_ADS);
195 domain = c->opt_target_workgroup;
202 if (!get_pdc_ip(domain, &ss))
205 print_sockaddr(addr, sizeof(addr), &ss);
206 if (asprintf(&pdc_str, "%s", addr) == -1) {
209 d_printf("%s\n", pdc_str);
211 sitename = sitename_fetch(domain);
212 if (!NT_STATUS_IS_OK(get_sorted_dc_list(domain, sitename,
213 &ip_list, &count, sec_ads))) {
219 for (i=0;i<count;i++) {
220 print_sockaddr(addr, sizeof(addr), &ip_list[i].ss);
221 if (!strequal(pdc_str, addr))
222 d_printf("%s\n", addr);
228 static int net_lookup_pdc(struct net_context *c, int argc, const char **argv)
230 struct sockaddr_storage ss;
231 char *pdc_str = NULL;
233 char addr[INET6_ADDRSTRLEN];
235 if (lp_security() == SEC_ADS) {
238 domain = c->opt_target_workgroup;
245 if (!get_pdc_ip(domain, &ss))
248 print_sockaddr(addr, sizeof(addr), &ss);
249 if (asprintf(&pdc_str, "%s", addr) == -1) {
252 d_printf("%s\n", pdc_str);
258 static int net_lookup_master(struct net_context *c, int argc, const char **argv)
260 struct sockaddr_storage master_ss;
261 const char *domain = c->opt_target_workgroup;
262 char addr[INET6_ADDRSTRLEN];
267 if (!find_master_ip(domain, &master_ss))
269 print_sockaddr(addr, sizeof(addr), &master_ss);
270 d_printf("%s\n", addr);
274 static int net_lookup_kdc(struct net_context *c, int argc, const char **argv)
279 struct sockaddr_in *addrs;
284 initialize_krb5_error_table();
285 rc = krb5_init_context(&ctx);
287 DEBUG(1,("krb5_init_context failed (%s)\n",
293 realm.data = CONST_DISCARD(char *, argv[0]);
294 realm.length = strlen(argv[0]);
295 } else if (lp_realm() && *lp_realm()) {
296 realm.data = lp_realm();
297 realm.length = strlen((const char *)realm.data);
299 rc = krb5_get_host_realm(ctx, NULL, &realms);
301 DEBUG(1,("krb5_gethost_realm failed (%s)\n",
305 realm.data = (char *) *realms;
306 realm.length = strlen((const char *)realm.data);
309 rc = smb_krb5_locate_kdc(ctx, &realm, (struct sockaddr **)(void *)&addrs, &num_kdcs, 0);
311 DEBUG(1, ("smb_krb5_locate_kdc failed (%s)\n", error_message(rc)));
314 for (i=0;i<num_kdcs;i++)
315 if (addrs[i].sin_family == AF_INET)
316 d_printf("%s:%hd\n", inet_ntoa(addrs[i].sin_addr),
317 ntohs(addrs[i].sin_port));
321 DEBUG(1, ("No kerberos support\n"));
325 static int net_lookup_name(struct net_context *c, int argc, const char **argv)
327 const char *dom, *name;
329 enum lsa_SidType type;
334 _(" net lookup name <name>\n"));
338 if (!lookup_name(talloc_tos(), argv[0], LOOKUP_NAME_ALL,
339 &dom, &name, &sid, &type)) {
340 d_printf(_("Could not lookup name %s\n"), argv[0]);
344 d_printf("%s %d (%s) %s\\%s\n", sid_string_tos(&sid),
345 type, sid_type_lookup(type), dom, name);
349 static int net_lookup_sid(struct net_context *c, int argc, const char **argv)
351 const char *dom, *name;
353 enum lsa_SidType type;
358 _(" net lookup sid <sid>\n"));
362 if (!string_to_sid(&sid, argv[0])) {
363 d_printf(_("Could not convert %s to SID\n"), argv[0]);
367 if (!lookup_sid(talloc_tos(), &sid,
368 &dom, &name, &type)) {
369 d_printf(_("Could not lookup name %s\n"), argv[0]);
373 d_printf("%s %d (%s) %s\\%s\n", sid_string_tos(&sid),
374 type, sid_type_lookup(type), dom, name);
378 static int net_lookup_dsgetdcname(struct net_context *c, int argc, const char **argv)
381 const char *domain_name = NULL;
382 const char *site_name = NULL;
384 struct netr_DsRGetDCNameInfo *info = NULL;
388 if (argc < 1 || argc > 3) {
391 _(" net lookup dsgetdcname "
392 "<name> <flags> <sitename>\n"));
396 mem_ctx = talloc_init("net_lookup_dsgetdcname");
401 domain_name = argv[0];
404 sscanf(argv[1], "%x", &flags);
407 flags |= DS_DIRECTORY_SERVICE_REQUIRED;
415 d_fprintf(stderr, _("Could not initialise message context. "
416 "Try running as root\n"));
420 status = dsgetdcname(mem_ctx, c->msg_ctx, domain_name, NULL, site_name,
422 if (!NT_STATUS_IS_OK(status)) {
423 d_printf(_("failed with: %s\n"), nt_errstr(status));
424 TALLOC_FREE(mem_ctx);
428 s = NDR_PRINT_STRUCT_STRING(mem_ctx, netr_DsRGetDCNameInfo, info);
432 TALLOC_FREE(mem_ctx);
437 /* lookup hosts or IP addresses using internal samba lookup fns */
438 int net_lookup(struct net_context *c, int argc, const char **argv)
442 struct functable table[] = {
443 {"HOST", net_lookup_host},
444 {"LDAP", net_lookup_ldap},
445 {"DC", net_lookup_dc},
446 {"PDC", net_lookup_pdc},
447 {"MASTER", net_lookup_master},
448 {"KDC", net_lookup_kdc},
449 {"NAME", net_lookup_name},
450 {"SID", net_lookup_sid},
451 {"DSGETDCNAME", net_lookup_dsgetdcname},
456 d_printf(_("\nUsage: \n"));
457 return net_lookup_usage(c, argc, argv);
459 for (i=0; table[i].funcname; i++) {
460 if (StrCaseCmp(argv[0], table[i].funcname) == 0)
461 return table[i].fn(c, argc-1, argv+1);
464 /* Default to lookup a hostname so 'net lookup foo#1b' can be
465 used instead of 'net lookup host foo#1b'. The host syntax
466 is a bit confusing as non #00 names can't really be
467 considered hosts as such. */
469 return net_lookup_host(c, argc, argv);