2 Unix SMB/CIFS implementation.
3 NBT client - used to lookup netbios names
4 Copyright (C) Andrew Tridgell 1994-1998
5 Copyright (C) Jelmer Vernooij 2003 (Conversion to popt)
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>.
23 #include "popt_common.h"
24 #include "libsmb/nmblib.h"
26 static bool give_flags
= false;
27 static bool use_bcast
= true;
28 static bool got_bcast
= false;
29 static struct sockaddr_storage bcast_addr
;
30 static bool recursion_desired
= false;
31 static bool translate_addresses
= false;
32 static int ServerFD
= -1;
33 static bool RootPort
= false;
34 static bool find_status
= false;
36 /****************************************************************************
37 Open the socket communication.
38 **************************************************************************/
40 static bool open_sockets(void)
42 struct sockaddr_storage ss
;
43 const char *sock_addr
= lp_nbt_client_socket_address();
45 if (!interpret_string_addr(&ss
, sock_addr
,
46 AI_NUMERICHOST
|AI_PASSIVE
)) {
47 DEBUG(0,("open_sockets: unable to get socket address "
48 "from string %s", sock_addr
));
51 ServerFD
= open_socket_in( SOCK_DGRAM
,
60 set_socket_options( ServerFD
, "SO_BROADCAST" );
62 DEBUG(3, ("Socket opened.\n"));
66 /****************************************************************************
67 turn a node status flags field into a string
68 ****************************************************************************/
69 static char *node_status_flags(unsigned char flags
)
74 fstrcat(ret
, (flags
& 0x80) ? "<GROUP> " : " ");
75 if ((flags
& 0x60) == 0x00) fstrcat(ret
,"B ");
76 if ((flags
& 0x60) == 0x20) fstrcat(ret
,"P ");
77 if ((flags
& 0x60) == 0x40) fstrcat(ret
,"M ");
78 if ((flags
& 0x60) == 0x60) fstrcat(ret
,"H ");
79 if (flags
& 0x10) fstrcat(ret
,"<DEREGISTERING> ");
80 if (flags
& 0x08) fstrcat(ret
,"<CONFLICT> ");
81 if (flags
& 0x04) fstrcat(ret
,"<ACTIVE> ");
82 if (flags
& 0x02) fstrcat(ret
,"<PERMANENT> ");
87 /****************************************************************************
88 Turn the NMB Query flags into a string.
89 ****************************************************************************/
91 static char *query_flags(int flags
)
96 if (flags
& NM_FLAGS_RS
) fstrcat(ret1
, "Response ");
97 if (flags
& NM_FLAGS_AA
) fstrcat(ret1
, "Authoritative ");
98 if (flags
& NM_FLAGS_TC
) fstrcat(ret1
, "Truncated ");
99 if (flags
& NM_FLAGS_RD
) fstrcat(ret1
, "Recursion_Desired ");
100 if (flags
& NM_FLAGS_RA
) fstrcat(ret1
, "Recursion_Available ");
101 if (flags
& NM_FLAGS_B
) fstrcat(ret1
, "Broadcast ");
106 /****************************************************************************
107 Do a node status query.
108 ****************************************************************************/
110 static void do_node_status(const char *name
,
112 struct sockaddr_storage
*pss
)
114 struct nmb_name nname
;
116 struct node_status
*addrs
;
117 struct node_status_extra extra
;
119 char addr
[INET6_ADDRSTRLEN
];
122 print_sockaddr(addr
, sizeof(addr
), pss
);
123 d_printf("Looking up status of %s\n",addr
);
124 make_nmb_name(&nname
, name
, type
);
125 status
= node_status_query(talloc_tos(), &nname
, pss
,
126 &addrs
, &count
, &extra
);
127 if (NT_STATUS_IS_OK(status
)) {
128 for (i
=0;i
<count
;i
++) {
129 pull_ascii_fstring(cleanname
, addrs
[i
].name
);
130 for (j
=0;cleanname
[j
];j
++) {
131 if (!isprint((int)cleanname
[j
])) {
135 d_printf("\t%-15s <%02x> - %s\n",
136 cleanname
,addrs
[i
].type
,
137 node_status_flags(addrs
[i
].flags
));
139 d_printf("\n\tMAC Address = %02X-%02X-%02X-%02X-%02X-%02X\n",
140 extra
.mac_addr
[0], extra
.mac_addr
[1],
141 extra
.mac_addr
[2], extra
.mac_addr
[3],
142 extra
.mac_addr
[4], extra
.mac_addr
[5]);
146 d_printf("No reply from %s\n\n",addr
);
151 /****************************************************************************
153 ****************************************************************************/
155 static bool query_one(const char *lookup
, unsigned int lookup_type
)
159 struct sockaddr_storage
*ip_list
=NULL
;
160 NTSTATUS status
= NT_STATUS_NOT_FOUND
;
163 char addr
[INET6_ADDRSTRLEN
];
164 print_sockaddr(addr
, sizeof(addr
), &bcast_addr
);
165 d_printf("querying %s on %s\n", lookup
, addr
);
166 status
= name_query(lookup
,lookup_type
,use_bcast
,
167 use_bcast
?true:recursion_desired
,
168 &bcast_addr
, talloc_tos(),
169 &ip_list
, &count
, &flags
);
171 status
= name_resolve_bcast(
173 talloc_tos(), &ip_list
, &count
);
176 if (!NT_STATUS_IS_OK(status
)) {
181 d_printf("Flags: %s\n", query_flags(flags
));
184 for (j
=0;j
<count
;j
++) {
185 char addr
[INET6_ADDRSTRLEN
];
186 if (translate_addresses
) {
187 char h_name
[MAX_DNS_NAME_LENGTH
];
189 if (sys_getnameinfo((const struct sockaddr
*)&ip_list
[j
],
190 sizeof(struct sockaddr_storage
),
191 h_name
, sizeof(h_name
),
196 d_printf("%s, ", h_name
);
198 print_sockaddr(addr
, sizeof(addr
), &ip_list
[j
]);
199 d_printf("%s %s<%02x>\n", addr
,lookup
, lookup_type
);
200 /* We can only do find_status if the ip address returned
201 was valid - ie. name_query returned true.
204 do_node_status(lookup
, lookup_type
, &ip_list
[j
]);
208 TALLOC_FREE(ip_list
);
210 return NT_STATUS_IS_OK(status
);
214 /****************************************************************************
216 ****************************************************************************/
217 int main(int argc
,char *argv
[])
220 unsigned int lookup_type
= 0x0;
222 static bool find_master
=False
;
223 static bool lookup_by_ip
= False
;
225 TALLOC_CTX
*frame
= talloc_stackframe();
227 struct poptOption long_options
[] = {
229 { "broadcast", 'B', POPT_ARG_STRING
, NULL
, 'B', "Specify address to use for broadcasts", "BROADCAST-ADDRESS" },
230 { "flags", 'f', POPT_ARG_NONE
, NULL
, 'f', "List the NMB flags returned" },
231 { "unicast", 'U', POPT_ARG_STRING
, NULL
, 'U', "Specify address to use for unicast" },
232 { "master-browser", 'M', POPT_ARG_NONE
, NULL
, 'M', "Search for a master browser" },
233 { "recursion", 'R', POPT_ARG_NONE
, NULL
, 'R', "Set recursion desired in package" },
234 { "status", 'S', POPT_ARG_NONE
, NULL
, 'S', "Lookup node status as well" },
235 { "translate", 'T', POPT_ARG_NONE
, NULL
, 'T', "Translate IP addresses into names" },
236 { "root-port", 'r', POPT_ARG_NONE
, NULL
, 'r', "Use root port 137 (Win95 only replies to this)" },
237 { "lookup-by-ip", 'A', POPT_ARG_NONE
, NULL
, 'A', "Do a node status on <name> as an IP Address" },
239 POPT_COMMON_CONNECTION
247 setup_logging(argv
[0], DEBUG_STDOUT
);
249 pc
= poptGetContext("nmblookup", argc
, (const char **)argv
,
250 long_options
, POPT_CONTEXT_KEEP_FIRST
);
252 poptSetOtherOptionHelp(pc
, "<NODE> ...");
254 while ((opt
= poptGetNextOpt(pc
)) != -1) {
263 recursion_desired
= true;
275 if (interpret_string_addr(&bcast_addr
,
283 if (interpret_string_addr(&bcast_addr
,
291 translate_addresses
= !translate_addresses
;
296 poptGetArg(pc
); /* Remove argv[0] */
298 if(!poptPeekArg(pc
)) {
299 poptPrintUsage(pc
, stderr
, 0);
303 if (!lp_load_global(get_dyn_CONFIGFILE())) {
304 fprintf(stderr
, "Can't load %s - run testparm to debug it\n",
305 get_dyn_CONFIGFILE());
309 if (!open_sockets()) {
313 while(poptPeekArg(pc
)) {
317 fstrcpy(lookup
,poptGetArg(pc
));
320 struct sockaddr_storage ss
;
321 ip
= interpret_addr2(lookup
);
322 in_addr_to_sockaddr_storage(&ss
, ip
);
324 do_node_status(lookup
, lookup_type
, &ss
);
329 if (*lookup
== '-') {
330 fstrcpy(lookup
,"\01\02__MSBROWSE__\02");
337 p
= strchr_m(lookup
,'#');
340 sscanf(++p
,"%x",&lookup_type
);
343 if (!query_one(lookup
, lookup_type
)) {
344 d_printf( "name_query failed to find name %s", lookup
);
345 if( 0 != lookup_type
) {
346 d_printf( "#%02x", lookup_type
);