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)) {
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) ) {
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() failed!\n");
117 DEBUG(9, ("Lookup up ldap for domain %s\n", domain));
119 status = ads_dns_query_dcs( ctx, domain, sitename, &dcs, &numdcs );
120 if ( NT_STATUS_IS_OK(status) && numdcs ) {
121 print_ldap_srvlist(dcs, numdcs);
127 DEBUG(9, ("Looking up PDC for domain %s\n", domain));
128 if (!get_pdc_ip(domain, &ss)) {
134 ret = sys_getnameinfo((struct sockaddr *)&ss,
135 sizeof(struct sockaddr_storage),
136 h_name, sizeof(h_name),
146 DEBUG(9, ("Found PDC with DNS name %s\n", h_name));
147 domain = strchr(h_name, '.');
155 DEBUG(9, ("Looking up ldap for domain %s\n", domain));
157 status = ads_dns_query_dcs( ctx, domain, sitename, &dcs, &numdcs );
158 if ( NT_STATUS_IS_OK(status) && numdcs ) {
159 print_ldap_srvlist(dcs, numdcs);
170 DEBUG(1,("No ADS support\n"));
174 static int net_lookup_dc(struct net_context *c, int argc, const char **argv)
176 struct ip_service *ip_list;
177 struct sockaddr_storage ss;
178 char *pdc_str = NULL;
179 const char *domain = NULL;
180 char *sitename = NULL;
182 char addr[INET6_ADDRSTRLEN];
183 bool sec_ads = (lp_security() == SEC_ADS);
188 domain = c->opt_target_workgroup;
195 if (!get_pdc_ip(domain, &ss))
198 print_sockaddr(addr, sizeof(addr), &ss);
199 if (asprintf(&pdc_str, "%s", addr) == -1) {
202 d_printf("%s\n", pdc_str);
204 sitename = sitename_fetch(domain);
205 if (!NT_STATUS_IS_OK(get_sorted_dc_list(domain, sitename,
206 &ip_list, &count, sec_ads))) {
212 for (i=0;i<count;i++) {
213 print_sockaddr(addr, sizeof(addr), &ip_list[i].ss);
214 if (!strequal(pdc_str, addr))
215 d_printf("%s\n", addr);
221 static int net_lookup_pdc(struct net_context *c, int argc, const char **argv)
223 struct sockaddr_storage ss;
224 char *pdc_str = NULL;
226 char addr[INET6_ADDRSTRLEN];
228 if (lp_security() == SEC_ADS) {
231 domain = c->opt_target_workgroup;
238 if (!get_pdc_ip(domain, &ss))
241 print_sockaddr(addr, sizeof(addr), &ss);
242 if (asprintf(&pdc_str, "%s", addr) == -1) {
245 d_printf("%s\n", pdc_str);
251 static int net_lookup_master(struct net_context *c, int argc, const char **argv)
253 struct sockaddr_storage master_ss;
254 const char *domain = c->opt_target_workgroup;
255 char addr[INET6_ADDRSTRLEN];
260 if (!find_master_ip(domain, &master_ss))
262 print_sockaddr(addr, sizeof(addr), &master_ss);
263 d_printf("%s\n", addr);
267 static int net_lookup_kdc(struct net_context *c, int argc, const char **argv)
272 struct sockaddr_in *addrs;
277 initialize_krb5_error_table();
278 rc = krb5_init_context(&ctx);
280 DEBUG(1,("krb5_init_context failed (%s)\n",
286 realm.data = CONST_DISCARD(char *, argv[0]);
287 realm.length = strlen(argv[0]);
288 } else if (lp_realm() && *lp_realm()) {
289 realm.data = lp_realm();
290 realm.length = strlen((const char *)realm.data);
292 rc = krb5_get_host_realm(ctx, NULL, &realms);
294 DEBUG(1,("krb5_gethost_realm failed (%s)\n",
298 realm.data = (char *) *realms;
299 realm.length = strlen((const char *)realm.data);
302 rc = smb_krb5_locate_kdc(ctx, &realm, (struct sockaddr **)(void *)&addrs, &num_kdcs, 0);
304 DEBUG(1, ("smb_krb5_locate_kdc failed (%s)\n", error_message(rc)));
307 for (i=0;i<num_kdcs;i++)
308 if (addrs[i].sin_family == AF_INET)
309 d_printf("%s:%hd\n", inet_ntoa(addrs[i].sin_addr),
310 ntohs(addrs[i].sin_port));
314 DEBUG(1, ("No kerberos support\n"));
318 static int net_lookup_name(struct net_context *c, int argc, const char **argv)
320 const char *dom, *name;
322 enum lsa_SidType type;
325 d_printf("usage: net lookup name <name>\n");
329 if (!lookup_name(talloc_tos(), argv[0], LOOKUP_NAME_ALL,
330 &dom, &name, &sid, &type)) {
331 d_printf("Could not lookup name %s\n", argv[0]);
335 d_printf("%s %d (%s) %s\\%s\n", sid_string_tos(&sid),
336 type, sid_type_lookup(type), dom, name);
340 static int net_lookup_sid(struct net_context *c, int argc, const char **argv)
342 const char *dom, *name;
344 enum lsa_SidType type;
347 d_printf("usage: net lookup sid <sid>\n");
351 if (!string_to_sid(&sid, argv[0])) {
352 d_printf("Could not convert %s to SID\n", argv[0]);
356 if (!lookup_sid(talloc_tos(), &sid,
357 &dom, &name, &type)) {
358 d_printf("Could not lookup name %s\n", argv[0]);
362 d_printf("%s %d (%s) %s\\%s\n", sid_string_tos(&sid),
363 type, sid_type_lookup(type), dom, name);
367 static int net_lookup_dsgetdcname(struct net_context *c, int argc, const char **argv)
370 const char *domain_name = NULL;
371 const char *site_name = NULL;
373 struct netr_DsRGetDCNameInfo *info = NULL;
377 if (argc < 1 || argc > 3) {
378 d_printf("usage: net lookup dsgetdcname "
379 "<name> <flags> <sitename>\n");
383 mem_ctx = talloc_init("net_lookup_dsgetdcname");
388 domain_name = argv[0];
391 sscanf(argv[1], "%x", &flags);
394 flags |= DS_DIRECTORY_SERVICE_REQUIRED;
401 status = dsgetdcname(mem_ctx, NULL, domain_name, NULL, site_name,
403 if (!NT_STATUS_IS_OK(status)) {
404 d_printf("failed with: %s\n", nt_errstr(status));
405 TALLOC_FREE(mem_ctx);
409 s = NDR_PRINT_STRUCT_STRING(mem_ctx, netr_DsRGetDCNameInfo, info);
413 TALLOC_FREE(mem_ctx);
418 /* lookup hosts or IP addresses using internal samba lookup fns */
419 int net_lookup(struct net_context *c, int argc, const char **argv)
423 struct functable table[] = {
424 {"HOST", net_lookup_host},
425 {"LDAP", net_lookup_ldap},
426 {"DC", net_lookup_dc},
427 {"PDC", net_lookup_pdc},
428 {"MASTER", net_lookup_master},
429 {"KDC", net_lookup_kdc},
430 {"NAME", net_lookup_name},
431 {"SID", net_lookup_sid},
432 {"DSGETDCNAME", net_lookup_dsgetdcname},
437 d_printf("\nUsage: \n");
438 return net_lookup_usage(c, argc, argv);
440 for (i=0; table[i].funcname; i++) {
441 if (StrCaseCmp(argv[0], table[i].funcname) == 0)
442 return table[i].fn(c, argc-1, argv+1);
445 /* Default to lookup a hostname so 'net lookup foo#1b' can be
446 used instead of 'net lookup host foo#1b'. The host syntax
447 is a bit confusing as non #00 names can't really be
448 considered hosts as such. */
450 return net_lookup_host(c, argc, argv);