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 "../lib/addns/dnsquery.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 if ( (ctx = talloc_init("net_lookup_ldap")) == NULL ) {
116 d_fprintf(stderr,"net_lookup_ldap: talloc_init() %s!\n",
121 sitename = sitename_fetch(ctx, domain);
123 DEBUG(9, ("Lookup up ldap for domain %s\n", domain));
125 status = ads_dns_query_dcs(ctx,
130 if ( NT_STATUS_IS_OK(status) && numdcs ) {
131 print_ldap_srvlist(dcs, numdcs);
136 DEBUG(9, ("Looking up PDC for domain %s\n", domain));
137 if (!get_pdc_ip(domain, &ss)) {
142 ret = sys_getnameinfo((struct sockaddr *)&ss,
143 sizeof(struct sockaddr_storage),
144 h_name, sizeof(h_name),
153 DEBUG(9, ("Found PDC with DNS name %s\n", h_name));
154 domain = strchr(h_name, '.');
161 DEBUG(9, ("Looking up ldap for domain %s\n", domain));
163 status = ads_dns_query_dcs(ctx,
168 if ( NT_STATUS_IS_OK(status) && numdcs ) {
169 print_ldap_srvlist(dcs, numdcs);
178 DEBUG(1,("No ADS support\n"));
182 static int net_lookup_dc(struct net_context *c, int argc, const char **argv)
184 struct ip_service *ip_list;
185 struct sockaddr_storage ss;
186 char *pdc_str = NULL;
187 const char *domain = NULL;
188 char *sitename = NULL;
190 char addr[INET6_ADDRSTRLEN];
191 bool sec_ads = (lp_security() == SEC_ADS);
196 domain = c->opt_target_workgroup;
203 if (!get_pdc_ip(domain, &ss))
206 print_sockaddr(addr, sizeof(addr), &ss);
207 if (asprintf(&pdc_str, "%s", addr) == -1) {
210 d_printf("%s\n", pdc_str);
212 sitename = sitename_fetch(talloc_tos(), domain);
213 if (!NT_STATUS_IS_OK(get_sorted_dc_list(domain, sitename,
214 &ip_list, &count, sec_ads))) {
216 TALLOC_FREE(sitename);
219 TALLOC_FREE(sitename);
220 for (i=0;i<count;i++) {
221 print_sockaddr(addr, sizeof(addr), &ip_list[i].ss);
222 if (!strequal(pdc_str, addr))
223 d_printf("%s\n", addr);
229 static int net_lookup_pdc(struct net_context *c, int argc, const char **argv)
231 struct sockaddr_storage ss;
232 char *pdc_str = NULL;
234 char addr[INET6_ADDRSTRLEN];
236 if (lp_security() == SEC_ADS) {
239 domain = c->opt_target_workgroup;
246 if (!get_pdc_ip(domain, &ss))
249 print_sockaddr(addr, sizeof(addr), &ss);
250 if (asprintf(&pdc_str, "%s", addr) == -1) {
253 d_printf("%s\n", pdc_str);
259 static int net_lookup_master(struct net_context *c, int argc, const char **argv)
261 struct sockaddr_storage master_ss;
262 const char *domain = c->opt_target_workgroup;
263 char addr[INET6_ADDRSTRLEN];
268 if (!find_master_ip(domain, &master_ss))
270 print_sockaddr(addr, sizeof(addr), &master_ss);
271 d_printf("%s\n", addr);
275 static int net_lookup_kdc(struct net_context *c, int argc, const char **argv)
280 struct ip_service *kdcs;
286 initialize_krb5_error_table();
287 rc = krb5_init_context(&ctx);
289 DEBUG(1,("krb5_init_context failed (%s)\n",
296 } else if (lp_realm() && *lp_realm()) {
301 rc = krb5_get_host_realm(ctx, NULL, &realms);
303 DEBUG(1,("krb5_gethost_realm failed (%s)\n",
307 realm = (const char *) *realms;
310 status = get_kdc_list(realm, NULL, &kdcs, &num_kdcs);
311 if (!NT_STATUS_IS_OK(status)) {
312 DEBUG(1,("get_kdc_list failed (%s)\n", nt_errstr(status)));
316 for (i = 0; i < num_kdcs; i++) {
317 char addr[INET6_ADDRSTRLEN];
319 print_sockaddr(addr, sizeof(addr), &kdcs[i].ss);
321 d_printf("%s:%u\n", addr, kdcs[i].port);
326 DEBUG(1, ("No kerberos support\n"));
330 static int net_lookup_name(struct net_context *c, int argc, const char **argv)
332 const char *dom, *name;
334 enum lsa_SidType type;
339 _(" net lookup name <name>\n"));
343 if (!lookup_name(talloc_tos(), argv[0], LOOKUP_NAME_ALL,
344 &dom, &name, &sid, &type)) {
345 d_printf(_("Could not lookup name %s\n"), argv[0]);
349 d_printf("%s %d (%s) %s\\%s\n", sid_string_tos(&sid),
350 type, sid_type_lookup(type), dom, name);
354 static int net_lookup_sid(struct net_context *c, int argc, const char **argv)
356 const char *dom, *name;
358 enum lsa_SidType type;
363 _(" net lookup sid <sid>\n"));
367 if (!string_to_sid(&sid, argv[0])) {
368 d_printf(_("Could not convert %s to SID\n"), argv[0]);
372 if (!lookup_sid(talloc_tos(), &sid,
373 &dom, &name, &type)) {
374 d_printf(_("Could not lookup name %s\n"), argv[0]);
378 d_printf("%s %d (%s) %s\\%s\n", sid_string_tos(&sid),
379 type, sid_type_lookup(type), dom, name);
383 static int net_lookup_dsgetdcname(struct net_context *c, int argc, const char **argv)
386 const char *domain_name = NULL;
387 const char *site_name = NULL;
389 struct netr_DsRGetDCNameInfo *info = NULL;
393 if (argc < 1 || argc > 3) {
396 _(" net lookup dsgetdcname "
397 "<name> <flags> <sitename>\n"));
401 mem_ctx = talloc_init("net_lookup_dsgetdcname");
406 domain_name = argv[0];
409 sscanf(argv[1], "%x", &flags);
412 flags |= DS_DIRECTORY_SERVICE_REQUIRED;
420 d_fprintf(stderr, _("Could not initialise message context. "
421 "Try running as root\n"));
425 status = dsgetdcname(mem_ctx, c->msg_ctx, domain_name, NULL, site_name,
427 if (!NT_STATUS_IS_OK(status)) {
428 d_printf(_("failed with: %s\n"), nt_errstr(status));
429 TALLOC_FREE(mem_ctx);
433 s = NDR_PRINT_STRUCT_STRING(mem_ctx, netr_DsRGetDCNameInfo, info);
437 TALLOC_FREE(mem_ctx);
442 /* lookup hosts or IP addresses using internal samba lookup fns */
443 int net_lookup(struct net_context *c, int argc, const char **argv)
447 struct functable table[] = {
448 {"HOST", net_lookup_host},
449 {"LDAP", net_lookup_ldap},
450 {"DC", net_lookup_dc},
451 {"PDC", net_lookup_pdc},
452 {"MASTER", net_lookup_master},
453 {"KDC", net_lookup_kdc},
454 {"NAME", net_lookup_name},
455 {"SID", net_lookup_sid},
456 {"DSGETDCNAME", net_lookup_dsgetdcname},
461 d_printf(_("\nUsage: \n"));
462 return net_lookup_usage(c, argc, argv);
464 for (i=0; table[i].funcname; i++) {
465 if (strcasecmp_m(argv[0], table[i].funcname) == 0)
466 return table[i].fn(c, argc-1, argv+1);
469 /* Default to lookup a hostname so 'net lookup foo#1b' can be
470 used instead of 'net lookup host foo#1b'. The host syntax
471 is a bit confusing as non #00 names can't really be
472 considered hosts as such. */
474 return net_lookup_host(c, argc, argv);