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 dc [domain]\n\tgives IP of domains Domain Controllers\n\n"
29 " net lookup master [domain|wg]\n\tgive IP of master browser\n\n"
30 " net lookup name [name]\n\tLookup name's sid and type\n\n"
31 " net lookup sid [sid]\n\tGive sid's name and type\n\n"
36 /* lookup a hostname giving an IP */
37 static int net_lookup_host(int argc, const char **argv)
41 const char *name = argv[0];
45 return net_lookup_usage(argc, argv);
47 p = strchr_m(name,'#');
50 sscanf(++p,"%x",&name_type);
53 if (!resolve_name(name, &ip, name_type)) {
54 /* we deliberately use DEBUG() here to send it to stderr
55 so scripts aren't mucked up */
56 DEBUG(0,("Didn't find %s#%02x\n", name, name_type));
60 d_printf("%s\n", inet_ntoa(ip));
65 static void print_ldap_srvlist(struct dns_rr_srv *dclist, int numdcs )
70 for ( i=0; i<numdcs; i++ ) {
71 if ( resolve_name(dclist[i].hostname, &ip, 0x20) ) {
72 d_printf("%s:%d\n", inet_ntoa(ip), dclist[i].port);
78 static int net_lookup_ldap(int argc, const char **argv)
83 struct hostent *hostent;
84 struct dns_rr_srv *dcs = NULL;
93 domain = opt_target_workgroup;
95 sitename = sitename_fetch(domain);
97 if ( (ctx = talloc_init("net_lookup_ldap")) == NULL ) {
98 d_fprintf(stderr, "net_lookup_ldap: talloc_inti() failed!\n");
103 DEBUG(9, ("Lookup up ldap for domain %s\n", domain));
105 status = ads_dns_query_dcs( ctx, domain, sitename, &dcs, &numdcs );
106 if ( NT_STATUS_IS_OK(status) && numdcs ) {
107 print_ldap_srvlist(dcs, numdcs);
113 DEBUG(9, ("Looking up DC for domain %s\n", domain));
114 if (!get_pdc_ip(domain, &addr)) {
120 hostent = gethostbyaddr((char *) &addr.s_addr, sizeof(addr.s_addr),
128 DEBUG(9, ("Found DC with DNS name %s\n", hostent->h_name));
129 domain = strchr(hostent->h_name, '.');
137 DEBUG(9, ("Looking up ldap for domain %s\n", domain));
139 status = ads_dns_query_dcs( ctx, domain, sitename, &dcs, &numdcs );
140 if ( NT_STATUS_IS_OK(status) && numdcs ) {
141 print_ldap_srvlist(dcs, numdcs);
152 DEBUG(1,("No ADS support\n"));
156 static int net_lookup_dc(int argc, const char **argv)
158 struct ip_service *ip_list;
160 char *pdc_str = NULL;
161 const char *domain=opt_target_workgroup;
162 char *sitename = NULL;
169 if (!get_pdc_ip(domain, &addr))
172 asprintf(&pdc_str, "%s", inet_ntoa(addr));
173 d_printf("%s\n", pdc_str);
175 sitename = sitename_fetch(domain);
176 if (!NT_STATUS_IS_OK(get_sorted_dc_list(domain, sitename, &ip_list, &count, False))) {
182 for (i=0;i<count;i++) {
183 char *dc_str = inet_ntoa(ip_list[i].ip);
184 if (!strequal(pdc_str, dc_str))
185 d_printf("%s\n", dc_str);
191 static int net_lookup_master(int argc, const char **argv)
193 struct in_addr master_ip;
194 const char *domain=opt_target_workgroup;
199 if (!find_master_ip(domain, &master_ip))
201 d_printf("%s\n", inet_ntoa(master_ip));
205 static int net_lookup_kdc(int argc, const char **argv)
210 struct sockaddr_in *addrs;
215 initialize_krb5_error_table();
216 rc = krb5_init_context(&ctx);
218 DEBUG(1,("krb5_init_context failed (%s)\n",
224 realm.data = CONST_DISCARD(char *, argv[0]);
225 realm.length = strlen(argv[0]);
226 } else if (lp_realm() && *lp_realm()) {
227 realm.data = lp_realm();
228 realm.length = strlen((const char *)realm.data);
230 rc = krb5_get_host_realm(ctx, NULL, &realms);
232 DEBUG(1,("krb5_gethost_realm failed (%s)\n",
236 realm.data = (char *) *realms;
237 realm.length = strlen((const char *)realm.data);
240 rc = smb_krb5_locate_kdc(ctx, &realm, (struct sockaddr **)(void *)&addrs, &num_kdcs, 0);
242 DEBUG(1, ("smb_krb5_locate_kdc failed (%s)\n", error_message(rc)));
245 for (i=0;i<num_kdcs;i++)
246 if (addrs[i].sin_family == AF_INET)
247 d_printf("%s:%hd\n", inet_ntoa(addrs[i].sin_addr),
248 ntohs(addrs[i].sin_port));
252 DEBUG(1, ("No kerberos support\n"));
256 static int net_lookup_name(int argc, const char **argv)
258 const char *dom, *name;
260 enum lsa_SidType type;
263 d_printf("usage: net lookup name <name>\n");
267 if (!lookup_name(tmp_talloc_ctx(), argv[0], LOOKUP_NAME_ALL,
268 &dom, &name, &sid, &type)) {
269 d_printf("Could not lookup name %s\n", argv[0]);
273 d_printf("%s %d (%s) %s\\%s\n", sid_string_static(&sid),
274 type, sid_type_lookup(type), dom, name);
278 static int net_lookup_sid(int argc, const char **argv)
280 const char *dom, *name;
282 enum lsa_SidType type;
285 d_printf("usage: net lookup sid <sid>\n");
289 if (!string_to_sid(&sid, argv[0])) {
290 d_printf("Could not convert %s to SID\n", argv[0]);
294 if (!lookup_sid(tmp_talloc_ctx(), &sid,
295 &dom, &name, &type)) {
296 d_printf("Could not lookup name %s\n", argv[0]);
300 d_printf("%s %d (%s) %s\\%s\n", sid_string_static(&sid),
301 type, sid_type_lookup(type), dom, name);
305 /* lookup hosts or IP addresses using internal samba lookup fns */
306 int net_lookup(int argc, const char **argv)
310 struct functable table[] = {
311 {"HOST", net_lookup_host},
312 {"LDAP", net_lookup_ldap},
313 {"DC", net_lookup_dc},
314 {"MASTER", net_lookup_master},
315 {"KDC", net_lookup_kdc},
316 {"NAME", net_lookup_name},
317 {"SID", net_lookup_sid},
322 d_printf("\nUsage: \n");
323 return net_lookup_usage(argc, argv);
325 for (i=0; table[i].funcname; i++) {
326 if (StrCaseCmp(argv[0], table[i].funcname) == 0)
327 return table[i].fn(argc-1, argv+1);
330 /* Default to lookup a hostname so 'net lookup foo#1b' can be
331 used instead of 'net lookup host foo#1b'. The host syntax
332 is a bit confusing as non #00 names can't really be
333 considered hosts as such. */
335 return net_lookup_host(argc, argv);