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 "libsmb/namequery.h"
22 #include "libads/sitename_cache.h"
23 #include "../lib/addns/dnsquery.h"
24 #include "../librpc/gen_ndr/ndr_netlogon.h"
26 #include "../libcli/security/security.h"
27 #include "passdb/lookup_sid.h"
29 int net_lookup_usage(struct net_context *c, int argc, const char **argv)
32 " net lookup [host] HOSTNAME[#<type>]\n\tgives IP for a hostname\n\n"
33 " net lookup ldap [domain]\n\tgives IP of domain's ldap server\n\n"
34 " net lookup kdc [realm]\n\tgives IP of realm's kerberos KDC\n\n"
35 " net lookup pdc [domain|realm]\n\tgives IP of realm's kerberos KDC\n\n"
36 " net lookup dc [domain]\n\tgives IP of domains Domain Controllers\n\n"
37 " net lookup master [domain|wg]\n\tgive IP of master browser\n\n"
38 " net lookup name [name]\n\tLookup name's sid and type\n\n"
39 " net lookup sid [sid]\n\tGive sid's name and type\n\n"
40 " net lookup dsgetdcname [name] [flags] [sitename]\n\n"
45 /* lookup a hostname giving an IP */
46 static int net_lookup_host(struct net_context *c, int argc, const char **argv)
48 struct sockaddr_storage ss;
50 char addr[INET6_ADDRSTRLEN];
51 const char *name = argv[0];
55 return net_lookup_usage(c, argc, argv);
57 p = strchr_m(name,'#');
60 sscanf(++p,"%x",&name_type);
63 if (!resolve_name(name, &ss, name_type, false)) {
64 /* we deliberately use DEBUG() here to send it to stderr
65 so scripts aren't mucked up */
66 DEBUG(0,("Didn't find %s#%02x\n", name, name_type));
70 print_sockaddr(addr, sizeof(addr), &ss);
71 d_printf("%s\n", addr);
76 static void print_ldap_srvlist(struct dns_rr_srv *dclist, int numdcs )
78 struct sockaddr_storage ss;
81 for ( i=0; i<numdcs; i++ ) {
82 if (resolve_name(dclist[i].hostname, &ss, 0x20, true) ) {
83 char addr[INET6_ADDRSTRLEN];
84 print_sockaddr(addr, sizeof(addr), &ss);
86 if (ss.ss_family == AF_INET6) {
87 d_printf("[%s]:%d\n", addr, dclist[i].port);
90 if (ss.ss_family == AF_INET) {
91 d_printf("%s:%d\n", addr, dclist[i].port);
98 static int net_lookup_ldap(struct net_context *c, int argc, const char **argv)
102 struct sockaddr_storage ss;
103 struct dns_rr_srv *dcs = NULL;
109 char h_name[MAX_DNS_NAME_LENGTH];
114 domain = c->opt_target_workgroup;
116 if ( (ctx = talloc_init("net_lookup_ldap")) == NULL ) {
117 d_fprintf(stderr,"net_lookup_ldap: talloc_init() %s!\n",
122 sitename = sitename_fetch(ctx, domain);
124 DEBUG(9, ("Lookup up ldap for domain %s\n", domain));
126 status = ads_dns_query_dcs(ctx,
131 if ( NT_STATUS_IS_OK(status) && numdcs ) {
132 print_ldap_srvlist(dcs, numdcs);
137 DEBUG(9, ("Looking up PDC for domain %s\n", domain));
138 if (!get_pdc_ip(domain, &ss)) {
143 ret = sys_getnameinfo((struct sockaddr *)&ss,
144 sizeof(struct sockaddr_storage),
145 h_name, sizeof(h_name),
154 DEBUG(9, ("Found PDC with DNS name %s\n", h_name));
155 domain = strchr(h_name, '.');
162 DEBUG(9, ("Looking up ldap for domain %s\n", domain));
164 status = ads_dns_query_dcs(ctx,
169 if ( NT_STATUS_IS_OK(status) && numdcs ) {
170 print_ldap_srvlist(dcs, numdcs);
179 DEBUG(1,("No ADS support\n"));
183 static int net_lookup_dc(struct net_context *c, int argc, const char **argv)
185 struct ip_service *ip_list;
186 struct sockaddr_storage ss;
187 char *pdc_str = NULL;
188 const char *domain = NULL;
189 char *sitename = NULL;
191 char addr[INET6_ADDRSTRLEN];
192 bool sec_ads = (lp_security() == SEC_ADS);
197 domain = c->opt_target_workgroup;
204 if (!get_pdc_ip(domain, &ss))
207 print_sockaddr(addr, sizeof(addr), &ss);
208 if (asprintf(&pdc_str, "%s", addr) == -1) {
211 d_printf("%s\n", pdc_str);
213 sitename = sitename_fetch(talloc_tos(), domain);
214 if (!NT_STATUS_IS_OK(get_sorted_dc_list(domain, sitename,
215 &ip_list, &count, sec_ads))) {
217 TALLOC_FREE(sitename);
220 TALLOC_FREE(sitename);
221 for (i=0;i<count;i++) {
222 print_sockaddr(addr, sizeof(addr), &ip_list[i].ss);
223 if (!strequal(pdc_str, addr))
224 d_printf("%s\n", addr);
230 static int net_lookup_pdc(struct net_context *c, int argc, const char **argv)
232 struct sockaddr_storage ss;
233 char *pdc_str = NULL;
235 char addr[INET6_ADDRSTRLEN];
237 if (lp_security() == SEC_ADS) {
240 domain = c->opt_target_workgroup;
247 if (!get_pdc_ip(domain, &ss))
250 print_sockaddr(addr, sizeof(addr), &ss);
251 if (asprintf(&pdc_str, "%s", addr) == -1) {
254 d_printf("%s\n", pdc_str);
260 static int net_lookup_master(struct net_context *c, int argc, const char **argv)
262 struct sockaddr_storage master_ss;
263 const char *domain = c->opt_target_workgroup;
264 char addr[INET6_ADDRSTRLEN];
269 if (!find_master_ip(domain, &master_ss))
271 print_sockaddr(addr, sizeof(addr), &master_ss);
272 d_printf("%s\n", addr);
276 static int net_lookup_kdc(struct net_context *c, int argc, const char **argv)
281 struct ip_service *kdcs;
287 initialize_krb5_error_table();
288 rc = krb5_init_context(&ctx);
290 DEBUG(1,("krb5_init_context failed (%s)\n",
297 } else if (lp_realm() && *lp_realm()) {
302 rc = krb5_get_host_realm(ctx, NULL, &realms);
304 DEBUG(1,("krb5_gethost_realm failed (%s)\n",
308 realm = (const char *) *realms;
311 status = get_kdc_list(realm, NULL, &kdcs, &num_kdcs);
312 if (!NT_STATUS_IS_OK(status)) {
313 DEBUG(1,("get_kdc_list failed (%s)\n", nt_errstr(status)));
317 for (i = 0; i < num_kdcs; i++) {
318 char addr[INET6_ADDRSTRLEN];
320 print_sockaddr(addr, sizeof(addr), &kdcs[i].ss);
322 d_printf("%s:%u\n", addr, kdcs[i].port);
327 DEBUG(1, ("No kerberos support\n"));
331 static int net_lookup_name(struct net_context *c, int argc, const char **argv)
333 const char *dom, *name;
335 enum lsa_SidType type;
340 _(" net lookup name <name>\n"));
344 if (!lookup_name(talloc_tos(), argv[0], LOOKUP_NAME_ALL,
345 &dom, &name, &sid, &type)) {
346 d_printf(_("Could not lookup name %s\n"), argv[0]);
350 d_printf("%s %d (%s) %s\\%s\n", sid_string_tos(&sid),
351 type, sid_type_lookup(type), dom, name);
355 static int net_lookup_sid(struct net_context *c, int argc, const char **argv)
357 const char *dom, *name;
359 enum lsa_SidType type;
364 _(" net lookup sid <sid>\n"));
368 if (!string_to_sid(&sid, argv[0])) {
369 d_printf(_("Could not convert %s to SID\n"), argv[0]);
373 if (!lookup_sid(talloc_tos(), &sid,
374 &dom, &name, &type)) {
375 d_printf(_("Could not lookup name %s\n"), argv[0]);
379 d_printf("%s %d (%s) %s\\%s\n", sid_string_tos(&sid),
380 type, sid_type_lookup(type), dom, name);
384 static int net_lookup_dsgetdcname(struct net_context *c, int argc, const char **argv)
387 const char *domain_name = NULL;
388 const char *site_name = NULL;
390 struct netr_DsRGetDCNameInfo *info = NULL;
394 if (argc < 1 || argc > 3) {
397 _(" net lookup dsgetdcname "
398 "<name> <flags> <sitename>\n"));
402 mem_ctx = talloc_init("net_lookup_dsgetdcname");
407 domain_name = argv[0];
410 sscanf(argv[1], "%x", &flags);
414 flags = DS_DIRECTORY_SERVICE_REQUIRED;
422 d_fprintf(stderr, _("Could not initialise message context. "
423 "Try running as root\n"));
427 status = dsgetdcname(mem_ctx, c->msg_ctx, domain_name, NULL, site_name,
429 if (!NT_STATUS_IS_OK(status)) {
430 d_printf(_("failed with: %s\n"), nt_errstr(status));
431 TALLOC_FREE(mem_ctx);
435 s = NDR_PRINT_STRUCT_STRING(mem_ctx, netr_DsRGetDCNameInfo, info);
439 TALLOC_FREE(mem_ctx);
444 /* lookup hosts or IP addresses using internal samba lookup fns */
445 int net_lookup(struct net_context *c, int argc, const char **argv)
449 struct functable table[] = {
450 {"HOST", net_lookup_host},
451 {"LDAP", net_lookup_ldap},
452 {"DC", net_lookup_dc},
453 {"PDC", net_lookup_pdc},
454 {"MASTER", net_lookup_master},
455 {"KDC", net_lookup_kdc},
456 {"NAME", net_lookup_name},
457 {"SID", net_lookup_sid},
458 {"DSGETDCNAME", net_lookup_dsgetdcname},
463 d_printf(_("\nUsage: \n"));
464 return net_lookup_usage(c, argc, argv);
466 for (i=0; table[i].funcname; i++) {
467 if (strcasecmp_m(argv[0], table[i].funcname) == 0)
468 return table[i].fn(c, argc-1, argv+1);
471 /* Default to lookup a hostname so 'net lookup foo#1b' can be
472 used instead of 'net lookup host foo#1b'. The host syntax
473 is a bit confusing as non #00 names can't really be
474 considered hosts as such. */
476 return net_lookup_host(c, argc, argv);