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"
25 extern bool AllowDebugChange
;
27 static bool give_flags
= false;
28 static bool use_bcast
= true;
29 static bool got_bcast
= false;
30 static struct sockaddr_storage bcast_addr
;
31 static bool recursion_desired
= false;
32 static bool translate_addresses
= false;
33 static int ServerFD
= -1;
34 static bool RootPort
= false;
35 static bool find_status
= false;
37 /****************************************************************************
38 Open the socket communication.
39 **************************************************************************/
41 static bool open_sockets(void)
43 struct sockaddr_storage ss
;
44 const char *sock_addr
= lp_socket_address();
46 if (!interpret_string_addr(&ss
, sock_addr
,
47 AI_NUMERICHOST
|AI_PASSIVE
)) {
48 DEBUG(0,("open_sockets: unable to get socket address "
49 "from string %s", sock_addr
));
52 ServerFD
= open_socket_in( SOCK_DGRAM
,
61 set_socket_options( ServerFD
, "SO_BROADCAST" );
63 DEBUG(3, ("Socket opened.\n"));
67 /****************************************************************************
68 turn a node status flags field into a string
69 ****************************************************************************/
70 static char *node_status_flags(unsigned char flags
)
75 fstrcat(ret
, (flags
& 0x80) ? "<GROUP> " : " ");
76 if ((flags
& 0x60) == 0x00) fstrcat(ret
,"B ");
77 if ((flags
& 0x60) == 0x20) fstrcat(ret
,"P ");
78 if ((flags
& 0x60) == 0x40) fstrcat(ret
,"M ");
79 if ((flags
& 0x60) == 0x60) fstrcat(ret
,"H ");
80 if (flags
& 0x10) fstrcat(ret
,"<DEREGISTERING> ");
81 if (flags
& 0x08) fstrcat(ret
,"<CONFLICT> ");
82 if (flags
& 0x04) fstrcat(ret
,"<ACTIVE> ");
83 if (flags
& 0x02) fstrcat(ret
,"<PERMANENT> ");
88 /****************************************************************************
89 Turn the NMB Query flags into a string.
90 ****************************************************************************/
92 static char *query_flags(int flags
)
97 if (flags
& NM_FLAGS_RS
) fstrcat(ret1
, "Response ");
98 if (flags
& NM_FLAGS_AA
) fstrcat(ret1
, "Authoritative ");
99 if (flags
& NM_FLAGS_TC
) fstrcat(ret1
, "Truncated ");
100 if (flags
& NM_FLAGS_RD
) fstrcat(ret1
, "Recursion_Desired ");
101 if (flags
& NM_FLAGS_RA
) fstrcat(ret1
, "Recursion_Available ");
102 if (flags
& NM_FLAGS_B
) fstrcat(ret1
, "Broadcast ");
107 /****************************************************************************
108 Do a node status query.
109 ****************************************************************************/
111 static void do_node_status(int fd
,
114 struct sockaddr_storage
*pss
)
116 struct nmb_name nname
;
118 NODE_STATUS_STRUCT
*status
;
119 struct node_status_extra extra
;
121 char addr
[INET6_ADDRSTRLEN
];
123 print_sockaddr(addr
, sizeof(addr
), pss
);
124 d_printf("Looking up status of %s\n",addr
);
125 make_nmb_name(&nname
, name
, type
);
126 status
= node_status_query(fd
, &nname
, pss
, &count
, &extra
);
128 for (i
=0;i
<count
;i
++) {
129 pull_ascii_fstring(cleanname
, status
[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
,status
[i
].type
,
137 node_status_flags(status
[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
)
157 int j
, count
, flags
= 0;
158 struct sockaddr_storage
*ip_list
=NULL
;
161 char addr
[INET6_ADDRSTRLEN
];
162 print_sockaddr(addr
, sizeof(addr
), &bcast_addr
);
163 d_printf("querying %s on %s\n", lookup
, addr
);
164 ip_list
= name_query(ServerFD
,lookup
,lookup_type
,use_bcast
,
165 use_bcast
?true:recursion_desired
,
166 &bcast_addr
, &count
, &flags
, NULL
);
168 const struct in_addr
*bcast
;
169 for (j
=iface_count() - 1;
172 char addr
[INET6_ADDRSTRLEN
];
173 struct sockaddr_storage bcast_ss
;
175 bcast
= iface_n_bcast_v4(j
);
179 in_addr_to_sockaddr_storage(&bcast_ss
, *bcast
);
180 print_sockaddr(addr
, sizeof(addr
), &bcast_ss
);
181 d_printf("querying %s on %s\n",
183 ip_list
= name_query(ServerFD
,lookup
,lookup_type
,
185 use_bcast
?True
:recursion_desired
,
186 &bcast_ss
,&count
, &flags
, NULL
);
195 d_printf("Flags: %s\n", query_flags(flags
));
198 for (j
=0;j
<count
;j
++) {
199 char addr
[INET6_ADDRSTRLEN
];
200 if (translate_addresses
) {
201 char h_name
[MAX_DNS_NAME_LENGTH
];
203 if (sys_getnameinfo((const struct sockaddr
*)&ip_list
[j
],
204 sizeof(struct sockaddr_storage
),
205 h_name
, sizeof(h_name
),
210 d_printf("%s, ", h_name
);
212 print_sockaddr(addr
, sizeof(addr
), &ip_list
[j
]);
213 d_printf("%s %s<%02x>\n", addr
,lookup
, lookup_type
);
214 /* We can only do find_status if the ip address returned
215 was valid - ie. name_query returned true.
218 do_node_status(ServerFD
, lookup
,
219 lookup_type
, &ip_list
[j
]);
225 return (ip_list
!= NULL
);
229 /****************************************************************************
231 ****************************************************************************/
232 int main(int argc
,char *argv
[])
235 unsigned int lookup_type
= 0x0;
237 static bool find_master
=False
;
238 static bool lookup_by_ip
= False
;
240 TALLOC_CTX
*frame
= talloc_stackframe();
242 struct poptOption long_options
[] = {
244 { "broadcast", 'B', POPT_ARG_STRING
, NULL
, 'B', "Specify address to use for broadcasts", "BROADCAST-ADDRESS" },
245 { "flags", 'f', POPT_ARG_NONE
, NULL
, 'f', "List the NMB flags returned" },
246 { "unicast", 'U', POPT_ARG_STRING
, NULL
, 'U', "Specify address to use for unicast" },
247 { "master-browser", 'M', POPT_ARG_NONE
, NULL
, 'M', "Search for a master browser" },
248 { "recursion", 'R', POPT_ARG_NONE
, NULL
, 'R', "Set recursion desired in package" },
249 { "status", 'S', POPT_ARG_NONE
, NULL
, 'S', "Lookup node status as well" },
250 { "translate", 'T', POPT_ARG_NONE
, NULL
, 'T', "Translate IP addresses into names" },
251 { "root-port", 'r', POPT_ARG_NONE
, NULL
, 'r', "Use root port 137 (Win95 only replies to this)" },
252 { "lookup-by-ip", 'A', POPT_ARG_NONE
, NULL
, 'A', "Do a node status on <name> as an IP Address" },
254 POPT_COMMON_CONNECTION
262 setup_logging(argv
[0], DEBUG_STDOUT
);
264 pc
= poptGetContext("nmblookup", argc
, (const char **)argv
,
265 long_options
, POPT_CONTEXT_KEEP_FIRST
);
267 poptSetOtherOptionHelp(pc
, "<NODE> ...");
269 while ((opt
= poptGetNextOpt(pc
)) != -1) {
278 recursion_desired
= true;
290 if (interpret_string_addr(&bcast_addr
,
298 if (interpret_string_addr(&bcast_addr
,
306 translate_addresses
= !translate_addresses
;
311 poptGetArg(pc
); /* Remove argv[0] */
313 if(!poptPeekArg(pc
)) {
314 poptPrintUsage(pc
, stderr
, 0);
318 if (!lp_load(get_dyn_CONFIGFILE(),True
,False
,False
,True
)) {
319 fprintf(stderr
, "Can't load %s - run testparm to debug it\n",
320 get_dyn_CONFIGFILE());
324 if (!open_sockets()) {
328 while(poptPeekArg(pc
)) {
332 fstrcpy(lookup
,poptGetArg(pc
));
335 struct sockaddr_storage ss
;
336 ip
= interpret_addr2(lookup
);
337 in_addr_to_sockaddr_storage(&ss
, ip
);
339 do_node_status(ServerFD
, lookup
, lookup_type
, &ss
);
344 if (*lookup
== '-') {
345 fstrcpy(lookup
,"\01\02__MSBROWSE__\02");
352 p
= strchr_m(lookup
,'#');
355 sscanf(++p
,"%x",&lookup_type
);
358 if (!query_one(lookup
, lookup_type
)) {
359 d_printf( "name_query failed to find name %s", lookup
);
360 if( 0 != lookup_type
) {
361 d_printf( "#%02x", lookup_type
);