1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
|
/*
Unix SMB/Netbios implementation.
Version 1.9.
NBT client - used to lookup netbios names
Copyright (C) Andrew Tridgell 1994-1998
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#define NO_SYSLOG
#include "includes.h"
extern int DEBUGLEVEL;
extern pstring scope;
extern pstring myhostname;
extern struct in_addr ipzero;
int ServerFD= -1;
int RootPort = 0;
/****************************************************************************
open the socket communication
**************************************************************************/
static BOOL open_sockets(void)
{
ServerFD = open_socket_in( SOCK_DGRAM,
(RootPort ? 137 :0),
3,
interpret_addr(lp_socket_address()) );
if (ServerFD == -1)
return(False);
set_socket_options(ServerFD,"SO_BROADCAST");
DEBUG(3, ("Socket opened.\n"));
return True;
}
/****************************************************************************
initialise connect, service and file structs
****************************************************************************/
static BOOL init_structs(void )
{
if (!get_myname(myhostname,NULL))
return(False);
return True;
}
/****************************************************************************
usage on the program
****************************************************************************/
static void usage(void)
{
printf("Usage: nmblookup [-M] [-B bcast address] [-d debuglevel] name\n");
printf("Version %s\n",VERSION);
printf("\t-d debuglevel set the debuglevel\n");
printf("\t-B broadcast address the address to use for broadcasts\n");
printf("\t-U unicast address the address to use for unicast\n");
printf("\t-M searches for a master browser\n");
printf("\t-R set recursion desired in packet\n");
printf("\t-S lookup node status as well\n");
printf("\t-r Use root port 137 (Win95 only replies to this)\n");
printf("\t-A Do a node status on <name> as an IP Address\n");
printf("\t-i NetBIOS scope Use the given NetBIOS scope for name queries\n");
printf("\t-s smb.conf file Use the given path to the smb.conf file\n");
printf("\t-h Print this help message.\n");
printf("\n");
}
/****************************************************************************
main program
****************************************************************************/
int main(int argc,char *argv[])
{
int opt;
unsigned int lookup_type = 0x0;
pstring lookup;
extern int optind;
extern char *optarg;
BOOL find_master=False;
BOOL find_status=False;
int i;
static pstring servicesf = CONFIGFILE;
struct in_addr bcast_addr;
BOOL use_bcast = True;
BOOL got_bcast = False;
BOOL lookup_by_ip = False;
BOOL recursion_desired = False;
DEBUGLEVEL = 1;
*lookup = 0;
TimeInit();
setup_logging(argv[0],True);
charset_initialise();
while ((opt = getopt(argc, argv, "d:B:U:i:s:SMrhAR")) != EOF)
switch (opt)
{
case 'B':
iface_set_default(NULL,optarg,NULL);
bcast_addr = *interpret_addr2(optarg);
got_bcast = True;
use_bcast = True;
break;
case 'U':
iface_set_default(NULL,optarg,NULL);
bcast_addr = *interpret_addr2(optarg);
got_bcast = True;
use_bcast = False;
break;
case 'i':
fstrcpy(scope,optarg);
strupper(scope);
break;
case 'M':
find_master = True;
break;
case 'S':
find_status = True;
break;
case 'R':
recursion_desired = True;
break;
case 'd':
DEBUGLEVEL = atoi(optarg);
break;
case 's':
pstrcpy(servicesf, optarg);
break;
case 'r':
RootPort = -1;
break;
case 'h':
usage();
exit(0);
break;
case 'A':
lookup_by_ip = True;
break;
default:
usage();
exit(1);
}
if (argc < 2) {
usage();
exit(1);
}
init_structs();
if (!lp_load(servicesf,True,False,False)) {
fprintf(stderr, "Can't load %s - run testparm to debug it\n", servicesf);
}
load_interfaces();
if (!open_sockets()) return(1);
if (!got_bcast)
bcast_addr = *iface_bcast(ipzero);
DEBUG(1,("Sending queries to %s\n",inet_ntoa(bcast_addr)));
for (i=optind;i<argc;i++)
{
int j, count;
char *p;
struct in_addr ip;
struct in_addr *ip_list;
fstrcpy(lookup,argv[i]);
if(lookup_by_ip)
{
fstrcpy(lookup,"*");
ip = *interpret_addr2(argv[i]);
printf("Looking up status of %s\n",inet_ntoa(ip));
name_status(ServerFD,lookup,lookup_type,True,ip,NULL,NULL,NULL);
printf("\n");
continue;
}
if (find_master) {
if (*lookup == '-') {
fstrcpy(lookup,"\01\02__MSBROWSE__\02");
lookup_type = 1;
} else {
lookup_type = 0x1d;
}
}
p = strchr(lookup,'#');
if (p) {
*p = 0;
sscanf(p+1,"%x",&lookup_type);
}
if ((ip_list = name_query(ServerFD,lookup,lookup_type,use_bcast,
use_bcast?True:recursion_desired,
bcast_addr,&count,NULL))) {
for (j=0;j<count;j++)
printf("%s %s<%02x>\n",inet_ntoa(ip_list[j]),lookup, lookup_type);
/* We can only do find_status if the ip address returned
was valid - ie. name_query returned true.
*/
if (find_status) {
printf("Looking up status of %s\n",inet_ntoa(ip_list[0]));
name_status(ServerFD,lookup,lookup_type,True,ip_list[0],NULL,NULL,NULL);
printf("\n");
}
} else {
printf("name_query failed to find name %s\n", lookup);
}
}
return(0);
}
|
