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)
43 const char *name = argv[0];
47 return net_lookup_usage(argc, argv);
49 p = strchr_m(name,'#');
52 sscanf(++p,"%x",&name_type);
55 if (!resolve_name(name, &ip, name_type)) {
56 /* we deliberately use DEBUG() here to send it to stderr
57 so scripts aren't mucked up */
58 DEBUG(0,("Didn't find %s#%02x\n", name, name_type));
62 d_printf("%s\n", inet_ntoa(ip));
67 static void print_ldap_srvlist(struct dns_rr_srv *dclist, int numdcs )
72 for ( i=0; i<numdcs; i++ ) {
73 if ( resolve_name(dclist[i].hostname, &ip, 0x20) ) {
74 d_printf("%s:%d\n", inet_ntoa(ip), dclist[i].port);
80 static int net_lookup_ldap(int argc, const char **argv)
85 struct hostent *hostent;
86 struct dns_rr_srv *dcs = NULL;
95 domain = opt_target_workgroup;
97 sitename = sitename_fetch(domain);
99 if ( (ctx = talloc_init("net_lookup_ldap")) == NULL ) {
100 d_fprintf(stderr, "net_lookup_ldap: talloc_init() failed!\n");
105 DEBUG(9, ("Lookup up ldap for domain %s\n", domain));
107 status = ads_dns_query_dcs( ctx, domain, sitename, &dcs, &numdcs );
108 if ( NT_STATUS_IS_OK(status) && numdcs ) {
109 print_ldap_srvlist(dcs, numdcs);
115 DEBUG(9, ("Looking up PDC for domain %s\n", domain));
116 if (!get_pdc_ip(domain, &addr)) {
122 hostent = gethostbyaddr((char *) &addr.s_addr, sizeof(addr.s_addr),
130 DEBUG(9, ("Found PDC with DNS name %s\n", hostent->h_name));
131 domain = strchr(hostent->h_name, '.');
139 DEBUG(9, ("Looking up ldap for domain %s\n", domain));
141 status = ads_dns_query_dcs( ctx, domain, sitename, &dcs, &numdcs );
142 if ( NT_STATUS_IS_OK(status) && numdcs ) {
143 print_ldap_srvlist(dcs, numdcs);
154 DEBUG(1,("No ADS support\n"));
158 static int net_lookup_dc(int argc, const char **argv)
160 struct ip_service *ip_list;
162 char *pdc_str = NULL;
163 const char *domain = NULL;
164 char *sitename = NULL;
166 BOOL sec_ads = (lp_security() == SEC_ADS);
171 domain = opt_target_workgroup;
178 if (!get_pdc_ip(domain, &addr))
181 asprintf(&pdc_str, "%s", inet_ntoa(addr));
182 d_printf("%s\n", pdc_str);
184 sitename = sitename_fetch(domain);
185 if (!NT_STATUS_IS_OK(get_sorted_dc_list(domain, sitename, &ip_list, &count, sec_ads))) {
191 for (i=0;i<count;i++) {
192 char *dc_str = inet_ntoa(ip_list[i].ip);
193 if (!strequal(pdc_str, dc_str))
194 d_printf("%s\n", dc_str);
200 static int net_lookup_pdc(int argc, const char **argv)
203 char *pdc_str = NULL;
206 if (lp_security() == SEC_ADS) {
209 domain = opt_target_workgroup;
216 if (!get_pdc_ip(domain, &addr))
219 asprintf(&pdc_str, "%s", inet_ntoa(addr));
220 d_printf("%s\n", pdc_str);
226 static int net_lookup_master(int argc, const char **argv)
228 struct in_addr master_ip;
229 const char *domain=opt_target_workgroup;
234 if (!find_master_ip(domain, &master_ip))
236 d_printf("%s\n", inet_ntoa(master_ip));
240 static int net_lookup_kdc(int argc, const char **argv)
245 struct sockaddr_in *addrs;
250 initialize_krb5_error_table();
251 rc = krb5_init_context(&ctx);
253 DEBUG(1,("krb5_init_context failed (%s)\n",
259 realm.data = CONST_DISCARD(char *, argv[0]);
260 realm.length = strlen(argv[0]);
261 } else if (lp_realm() && *lp_realm()) {
262 realm.data = lp_realm();
263 realm.length = strlen((const char *)realm.data);
265 rc = krb5_get_host_realm(ctx, NULL, &realms);
267 DEBUG(1,("krb5_gethost_realm failed (%s)\n",
271 realm.data = (char *) *realms;
272 realm.length = strlen((const char *)realm.data);
275 rc = smb_krb5_locate_kdc(ctx, &realm, (struct sockaddr **)(void *)&addrs, &num_kdcs, 0);
277 DEBUG(1, ("smb_krb5_locate_kdc failed (%s)\n", error_message(rc)));
280 for (i=0;i<num_kdcs;i++)
281 if (addrs[i].sin_family == AF_INET)
282 d_printf("%s:%hd\n", inet_ntoa(addrs[i].sin_addr),
283 ntohs(addrs[i].sin_port));
287 DEBUG(1, ("No kerberos support\n"));
291 static int net_lookup_name(int argc, const char **argv)
293 const char *dom, *name;
295 enum lsa_SidType type;
298 d_printf("usage: net lookup name <name>\n");
302 if (!lookup_name(talloc_tos(), argv[0], LOOKUP_NAME_ALL,
303 &dom, &name, &sid, &type)) {
304 d_printf("Could not lookup name %s\n", argv[0]);
308 d_printf("%s %d (%s) %s\\%s\n", sid_string_static(&sid),
309 type, sid_type_lookup(type), dom, name);
313 static int net_lookup_sid(int argc, const char **argv)
315 const char *dom, *name;
317 enum lsa_SidType type;
320 d_printf("usage: net lookup sid <sid>\n");
324 if (!string_to_sid(&sid, argv[0])) {
325 d_printf("Could not convert %s to SID\n", argv[0]);
329 if (!lookup_sid(talloc_tos(), &sid,
330 &dom, &name, &type)) {
331 d_printf("Could not lookup name %s\n", argv[0]);
335 d_printf("%s %d (%s) %s\\%s\n", sid_string_static(&sid),
336 type, sid_type_lookup(type), dom, name);
340 static int net_lookup_dsgetdcname(int argc, const char **argv)
343 const char *domain_name = NULL;
344 char *site_name = NULL;
346 struct DS_DOMAIN_CONTROLLER_INFO *info = NULL;
349 if (argc < 1 || argc > 3) {
350 d_printf("usage: net lookup dsgetdcname "
351 "<name> <flags> <sitename>\n");
355 mem_ctx = talloc_init("net_lookup_dsgetdcname");
360 domain_name = argv[0];
363 sscanf(argv[1], "%x", &flags);
366 flags |= DS_DIRECTORY_SERVICE_REQUIRED;
370 site_name = SMB_STRDUP(argv[2]);
372 TALLOC_FREE(mem_ctx);
378 site_name = sitename_fetch(domain_name);
381 status = DsGetDcName(mem_ctx, NULL, domain_name, NULL, site_name,
383 if (!NT_STATUS_IS_OK(status)) {
384 d_printf("failed with: %s\n", nt_errstr(status));
385 SAFE_FREE(site_name);
386 TALLOC_FREE(mem_ctx);
390 display_ds_domain_controller_info(mem_ctx, info);
392 SAFE_FREE(site_name);
393 TALLOC_FREE(mem_ctx);
398 /* lookup hosts or IP addresses using internal samba lookup fns */
399 int net_lookup(int argc, const char **argv)
403 struct functable table[] = {
404 {"HOST", net_lookup_host},
405 {"LDAP", net_lookup_ldap},
406 {"DC", net_lookup_dc},
407 {"PDC", net_lookup_pdc},
408 {"MASTER", net_lookup_master},
409 {"KDC", net_lookup_kdc},
410 {"NAME", net_lookup_name},
411 {"SID", net_lookup_sid},
412 {"DSGETDCNAME", net_lookup_dsgetdcname},
417 d_printf("\nUsage: \n");
418 return net_lookup_usage(argc, argv);
420 for (i=0; table[i].funcname; i++) {
421 if (StrCaseCmp(argv[0], table[i].funcname) == 0)
422 return table[i].fn(argc-1, argv+1);
425 /* Default to lookup a hostname so 'net lookup foo#1b' can be
426 used instead of 'net lookup host foo#1b'. The host syntax
427 is a bit confusing as non #00 names can't really be
428 considered hosts as such. */
430 return net_lookup_host(argc, argv);