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 2 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, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
21 #include "utils/net.h"
23 int net_lookup_usage(int argc
, const char **argv
)
26 " net lookup [host] HOSTNAME[#<type>]\n\tgives IP for a hostname\n\n"
27 " net lookup ldap [domain]\n\tgives IP of domain's ldap server\n\n"
28 " net lookup kdc [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"
37 /* lookup a hostname giving an IP */
38 static int net_lookup_host(int argc
, const char **argv
)
42 const char *name
= argv
[0];
46 return net_lookup_usage(argc
, argv
);
48 p
= strchr_m(name
,'#');
51 sscanf(++p
,"%x",&name_type
);
54 if (!resolve_name(name
, &ip
, name_type
)) {
55 /* we deliberately use DEBUG() here to send it to stderr
56 so scripts aren't mucked up */
57 DEBUG(0,("Didn't find %s#%02x\n", name
, name_type
));
61 d_printf("%s\n", inet_ntoa(ip
));
66 static void print_ldap_srvlist(char *srvlist
)
74 next
= strchr(cur
,':');
75 if (next
) *next
++='\0';
76 printit
= resolve_name(cur
, &ip
, 0x20);
78 next
=cur
? strchr(cur
,' ') :NULL
;
82 d_printf("%s:%s\n", inet_ntoa(ip
), cur
?cur
:"");
88 static int net_lookup_ldap(int argc
, const char **argv
)
95 struct hostent
*hostent
;
100 domain
= opt_target_workgroup
;
102 DEBUG(9, ("Lookup up ldap for domain %s\n", domain
));
103 rc
= ldap_domain2hostlist(domain
, &srvlist
);
104 if ((rc
== LDAP_SUCCESS
) && srvlist
) {
105 print_ldap_srvlist(srvlist
);
109 DEBUG(9, ("Looking up DC for domain %s\n", domain
));
110 if (!get_pdc_ip(domain
, &addr
))
113 hostent
= gethostbyaddr((char *) &addr
.s_addr
, sizeof(addr
.s_addr
),
118 DEBUG(9, ("Found DC with DNS name %s\n", hostent
->h_name
));
119 domain
= strchr(hostent
->h_name
, '.');
124 DEBUG(9, ("Looking up ldap for domain %s\n", domain
));
125 rc
= ldap_domain2hostlist(domain
, &srvlist
);
126 if ((rc
== LDAP_SUCCESS
) && srvlist
) {
127 print_ldap_srvlist(srvlist
);
132 DEBUG(1,("No ADS support\n"));
136 static int net_lookup_dc(int argc
, const char **argv
)
138 struct ip_service
*ip_list
;
140 char *pdc_str
= NULL
;
141 const char *domain
=opt_target_workgroup
;
148 if (!get_pdc_ip(domain
, &addr
))
151 asprintf(&pdc_str
, "%s", inet_ntoa(addr
));
152 d_printf("%s\n", pdc_str
);
154 if (!get_sorted_dc_list(domain
, &ip_list
, &count
, False
)) {
158 for (i
=0;i
<count
;i
++) {
159 char *dc_str
= inet_ntoa(ip_list
[i
].ip
);
160 if (!strequal(pdc_str
, dc_str
))
161 d_printf("%s\n", dc_str
);
167 static int net_lookup_master(int argc
, const char **argv
)
169 struct in_addr master_ip
;
170 const char *domain
=opt_target_workgroup
;
175 if (!find_master_ip(domain
, &master_ip
))
177 d_printf("%s\n", inet_ntoa(master_ip
));
181 static int net_lookup_kdc(int argc
, const char **argv
)
186 struct sockaddr_in
*addrs
;
191 initialize_krb5_error_table();
192 rc
= krb5_init_context(&ctx
);
194 DEBUG(1,("krb5_init_context failed (%s)\n",
200 realm
.data
= CONST_DISCARD(krb5_pointer
, argv
[0]);
201 realm
.length
= strlen(argv
[0]);
202 } else if (lp_realm() && *lp_realm()) {
203 realm
.data
= (krb5_pointer
) lp_realm();
204 realm
.length
= strlen(realm
.data
);
206 rc
= krb5_get_host_realm(ctx
, NULL
, &realms
);
208 DEBUG(1,("krb5_gethost_realm failed (%s)\n",
212 realm
.data
= (krb5_pointer
) *realms
;
213 realm
.length
= strlen(realm
.data
);
216 rc
= krb5_locate_kdc(ctx
, &realm
, (struct sockaddr
**)(void *)&addrs
, &num_kdcs
, 0);
218 DEBUG(1, ("krb5_locate_kdc failed (%s)\n", error_message(rc
)));
221 for (i
=0;i
<num_kdcs
;i
++)
222 if (addrs
[i
].sin_family
== AF_INET
)
223 d_printf("%s:%hd\n", inet_ntoa(addrs
[i
].sin_addr
),
224 ntohs(addrs
[i
].sin_port
));
228 DEBUG(1, ("No kerberos support\n"));
232 static int net_lookup_name(int argc
, const char **argv
)
234 const char *dom
, *name
;
236 enum SID_NAME_USE type
;
239 d_printf("usage: net lookup name <name>\n");
243 if (!lookup_name(tmp_talloc_ctx(), argv
[0], LOOKUP_NAME_ALL
,
244 &dom
, &name
, &sid
, &type
)) {
245 d_printf("Could not lookup name %s\n", argv
[0]);
249 d_printf("%s %d (%s) %s\\%s\n", sid_string_static(&sid
),
250 type
, sid_type_lookup(type
), dom
, name
);
254 static int net_lookup_sid(int argc
, const char **argv
)
256 const char *dom
, *name
;
258 enum SID_NAME_USE type
;
261 d_printf("usage: net lookup sid <sid>\n");
265 if (!string_to_sid(&sid
, argv
[0])) {
266 d_printf("Could not convert %s to SID\n", argv
[0]);
270 if (!lookup_sid(tmp_talloc_ctx(), &sid
,
271 &dom
, &name
, &type
)) {
272 d_printf("Could not lookup name %s\n", argv
[0]);
276 d_printf("%s %d (%s) %s\\%s\n", sid_string_static(&sid
),
277 type
, sid_type_lookup(type
), dom
, name
);
281 /* lookup hosts or IP addresses using internal samba lookup fns */
282 int net_lookup(int argc
, const char **argv
)
286 struct functable table
[] = {
287 {"HOST", net_lookup_host
},
288 {"LDAP", net_lookup_ldap
},
289 {"DC", net_lookup_dc
},
290 {"MASTER", net_lookup_master
},
291 {"KDC", net_lookup_kdc
},
292 {"NAME", net_lookup_name
},
293 {"SID", net_lookup_sid
},
298 d_printf("\nUsage: \n");
299 return net_lookup_usage(argc
, argv
);
301 for (i
=0; table
[i
].funcname
; i
++) {
302 if (StrCaseCmp(argv
[0], table
[i
].funcname
) == 0)
303 return table
[i
].fn(argc
-1, argv
+1);
306 /* Default to lookup a hostname so 'net lookup foo#1b' can be
307 used instead of 'net lookup host foo#1b'. The host syntax
308 is a bit confusing as non #00 names can't really be
309 considered hosts as such. */
311 return net_lookup_host(argc
, argv
);