2 Unix SMB/Netbios implementation.
4 NBT client - used to lookup netbios names
5 Copyright (C) Andrew Tridgell 1994-1998
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 2 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, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
27 extern struct in_addr ipzero;
29 static BOOL use_bcast = True;
30 static BOOL got_bcast = False;
31 static struct in_addr bcast_addr;
32 static BOOL recursion_desired = False;
33 static BOOL translate_addresses = False;
34 static int ServerFD= -1;
35 static int RootPort = False;
36 static BOOL find_status=False;
38 /****************************************************************************
39 open the socket communication
40 **************************************************************************/
41 static BOOL open_sockets(void)
43 ServerFD = open_socket_in( SOCK_DGRAM,
46 interpret_addr(lp_socket_address()), True );
51 set_socket_options( ServerFD, "SO_BROADCAST" );
53 DEBUG(3, ("Socket opened.\n"));
58 /****************************************************************************
60 ****************************************************************************/
61 static void usage(void)
63 d_printf("Usage: nmblookup [-M] [-B bcast address] [-d debuglevel] name\n");
64 d_printf("Version %s\n",VERSION);
65 d_printf("\t-d debuglevel set the debuglevel\n");
66 d_printf("\t-B broadcast address the address to use for broadcasts\n");
67 d_printf("\t-U unicast address the address to use for unicast\n");
68 d_printf("\t-M searches for a master browser\n");
69 d_printf("\t-R set recursion desired in packet\n");
70 d_printf("\t-S lookup node status as well\n");
71 d_printf("\t-T translate IP addresses into names\n");
72 d_printf("\t-r Use root port 137 (Win95 only replies to this)\n");
73 d_printf("\t-A Do a node status on <name> as an IP Address\n");
74 d_printf("\t-i NetBIOS scope Use the given NetBIOS scope for name queries\n");
75 d_printf("\t-s smb.conf file Use the given path to the smb.conf file\n");
76 d_printf("\t-h Print this help message.\n");
77 d_printf("\n If you specify -M and name is \"-\", nmblookup looks up __MSBROWSE__<01>\n");
81 /****************************************************************************
82 turn a node status flags field into a string
83 ****************************************************************************/
84 static char *node_status_flags(unsigned char flags)
89 fstrcat(ret, (flags & 0x80) ? "<GROUP> " : " ");
90 if ((flags & 0x60) == 0x00) fstrcat(ret,"B ");
91 if ((flags & 0x60) == 0x20) fstrcat(ret,"P ");
92 if ((flags & 0x60) == 0x40) fstrcat(ret,"M ");
93 if ((flags & 0x60) == 0x60) fstrcat(ret,"H ");
94 if (flags & 0x10) fstrcat(ret,"<DEREGISTERING> ");
95 if (flags & 0x08) fstrcat(ret,"<CONFLICT> ");
96 if (flags & 0x04) fstrcat(ret,"<ACTIVE> ");
97 if (flags & 0x02) fstrcat(ret,"<PERMANENT> ");
102 /****************************************************************************
103 do a node status query
104 ****************************************************************************/
105 static void do_node_status(int fd, char *name, int type, struct in_addr ip)
107 struct nmb_name nname;
109 struct node_status *status;
112 d_printf("Looking up status of %s\n",inet_ntoa(ip));
113 make_nmb_name(&nname, name, type);
114 status = node_status_query(fd,&nname,ip, &count);
116 for (i=0;i<count;i++) {
117 fstrcpy(cleanname, status[i].name);
118 for (j=0;cleanname[j];j++) {
119 if (!isprint((int)cleanname[j])) cleanname[j] = '.';
121 d_printf("\t%-15s <%02x> - %s\n",
122 cleanname,status[i].type,
123 node_status_flags(status[i].flags));
131 /****************************************************************************
133 ****************************************************************************/
134 static BOOL query_one(char *lookup, unsigned int lookup_type)
137 struct in_addr *ip_list=NULL;
140 d_printf("querying %s on %s\n", lookup, inet_ntoa(bcast_addr));
141 ip_list = name_query(ServerFD,lookup,lookup_type,use_bcast,
142 use_bcast?True:recursion_desired,
145 struct in_addr *bcast;
146 for (j=iface_count() - 1;
149 bcast = iface_n_bcast(j);
150 d_printf("querying %s on %s\n",
151 lookup, inet_ntoa(*bcast));
152 ip_list = name_query(ServerFD,lookup,lookup_type,
154 use_bcast?True:recursion_desired,
159 if (!ip_list) return False;
161 for (j=0;j<count;j++) {
162 if (translate_addresses) {
163 struct hostent *host = gethostbyaddr((char *)&ip_list[j], sizeof(ip_list[j]), AF_INET);
165 d_printf("%s, ", host -> h_name);
168 d_printf("%s %s<%02x>\n",inet_ntoa(ip_list[j]),lookup, lookup_type);
171 /* We can only do find_status if the ip address returned
172 was valid - ie. name_query returned true.
175 do_node_status(ServerFD, lookup, lookup_type, ip_list[0]);
180 return (ip_list != NULL);
184 /****************************************************************************
186 ****************************************************************************/
187 int main(int argc,char *argv[])
190 unsigned int lookup_type = 0x0;
194 BOOL find_master=False;
196 static pstring servicesf = CONFIGFILE;
197 BOOL lookup_by_ip = False;
198 int commandline_debuglevel = -2;
205 setup_logging(argv[0],True);
207 while ((opt = getopt(argc, argv, "d:B:U:i:s:SMrhART")) != EOF)
211 bcast_addr = *interpret_addr2(optarg);
216 bcast_addr = *interpret_addr2(optarg);
221 translate_addresses = !translate_addresses;
225 extern pstring global_scope;
226 pstrcpy(global_scope,optarg);
227 strupper(global_scope);
237 recursion_desired = True;
240 commandline_debuglevel = DEBUGLEVEL = atoi(optarg);
243 pstrcpy(servicesf, optarg);
265 if (!lp_load(servicesf,True,False,False)) {
266 fprintf(stderr, "Can't load %s - run testparm to debug it\n", servicesf);
270 * Ensure we reset DEBUGLEVEL if someone specified it
271 * on the command line.
274 if(commandline_debuglevel != -2)
275 DEBUGLEVEL = commandline_debuglevel;
278 if (!open_sockets()) return(1);
280 for (i=optind;i<argc;i++)
285 fstrcpy(lookup,argv[i]);
290 ip = *interpret_addr2(argv[i]);
291 do_node_status(ServerFD, lookup, lookup_type, ip);
296 if (*lookup == '-') {
297 fstrcpy(lookup,"\01\02__MSBROWSE__\02");
304 p = strchr_m(lookup,'#');
307 sscanf(++p,"%x",&lookup_type);
310 if (!query_one(lookup, lookup_type)) {
311 d_printf( "name_query failed to find name %s", lookup );
312 if( 0 != lookup_type )
313 d_printf( "#%02x", lookup_type );