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 int DEBUGLEVEL;
29 extern struct in_addr ipzero;
31 static BOOL use_bcast = True;
32 static BOOL got_bcast = False;
33 static struct in_addr bcast_addr;
34 static BOOL recursion_desired = False;
35 static BOOL translate_addresses = False;
36 static int ServerFD= -1;
37 static int RootPort = False;
38 static BOOL find_status=False;
40 /****************************************************************************
41 open the socket communication
42 **************************************************************************/
43 static BOOL open_sockets(void)
45 ServerFD = open_socket_in( SOCK_DGRAM,
48 interpret_addr(lp_socket_address()), True );
53 set_socket_options( ServerFD, "SO_BROADCAST" );
55 DEBUG(3, ("Socket opened.\n"));
60 /****************************************************************************
62 ****************************************************************************/
63 static void usage(void)
65 printf("Usage: nmblookup [-M] [-B bcast address] [-d debuglevel] name\n");
66 printf("Version %s\n",VERSION);
67 printf("\t-d debuglevel set the debuglevel\n");
68 printf("\t-B broadcast address the address to use for broadcasts\n");
69 printf("\t-U unicast address the address to use for unicast\n");
70 printf("\t-M searches for a master browser\n");
71 printf("\t-R set recursion desired in packet\n");
72 printf("\t-S lookup node status as well\n");
73 printf("\t-T translate IP addresses into names\n");
74 printf("\t-r Use root port 137 (Win95 only replies to this)\n");
75 printf("\t-A Do a node status on <name> as an IP Address\n");
76 printf("\t-i NetBIOS scope Use the given NetBIOS scope for name queries\n");
77 printf("\t-s smb.conf file Use the given path to the smb.conf file\n");
78 printf("\t-h Print this help message.\n");
79 printf("\n If you specify -M and name is \"-\", nmblookup looks up __MSBROWSE__<01>\n");
83 /****************************************************************************
84 turn a node status flags field into a string
85 ****************************************************************************/
86 static char *node_status_flags(unsigned char flags)
91 fstrcat(ret, (flags & 0x80) ? "<GROUP> " : " ");
92 if ((flags & 0x60) == 0x00) fstrcat(ret,"B ");
93 if ((flags & 0x60) == 0x20) fstrcat(ret,"P ");
94 if ((flags & 0x60) == 0x40) fstrcat(ret,"M ");
95 if ((flags & 0x60) == 0x60) fstrcat(ret,"H ");
96 if (flags & 0x10) fstrcat(ret,"<DEREGISTERING> ");
97 if (flags & 0x08) fstrcat(ret,"<CONFLICT> ");
98 if (flags & 0x04) fstrcat(ret,"<ACTIVE> ");
99 if (flags & 0x02) fstrcat(ret,"<PERMANENT> ");
104 /****************************************************************************
105 do a node status query
106 ****************************************************************************/
107 static void do_node_status(int fd, char *name, int type, struct in_addr ip)
109 struct nmb_name nname;
111 struct node_status *status;
114 printf("Looking up status of %s\n",inet_ntoa(ip));
115 make_nmb_name(&nname, name, type);
116 status = node_status_query(fd,&nname,ip, &count);
118 for (i=0;i<count;i++) {
119 fstrcpy(cleanname, status[i].name);
120 for (j=0;cleanname[j];j++) {
121 if (!isprint((int)cleanname[j])) cleanname[j] = '.';
123 printf("\t%-15s <%02x> - %s\n",
124 cleanname,status[i].type,
125 node_status_flags(status[i].flags));
133 /****************************************************************************
135 ****************************************************************************/
136 static BOOL query_one(char *lookup, unsigned int lookup_type)
139 struct in_addr *ip_list=NULL;
142 printf("querying %s on %s\n", lookup, inet_ntoa(bcast_addr));
143 ip_list = name_query(ServerFD,lookup,lookup_type,use_bcast,
144 use_bcast?True:recursion_desired,
147 struct in_addr *bcast;
148 for (j=iface_count() - 1;
151 bcast = iface_n_bcast(j);
152 printf("querying %s on %s\n",
153 lookup, inet_ntoa(*bcast));
154 ip_list = name_query(ServerFD,lookup,lookup_type,
156 use_bcast?True:recursion_desired,
161 if (!ip_list) return False;
163 for (j=0;j<count;j++) {
164 if (translate_addresses) {
165 struct hostent *host = gethostbyaddr((char *)&ip_list[j], sizeof(ip_list[j]), AF_INET);
167 printf("%s, ", host -> h_name);
170 printf("%s %s<%02x>\n",inet_ntoa(ip_list[j]),lookup, lookup_type);
173 /* We can only do find_status if the ip address returned
174 was valid - ie. name_query returned true.
177 do_node_status(ServerFD, lookup, lookup_type, ip_list[0]);
182 return (ip_list != NULL);
186 /****************************************************************************
188 ****************************************************************************/
189 int main(int argc,char *argv[])
192 unsigned int lookup_type = 0x0;
196 BOOL find_master=False;
198 static pstring servicesf = CONFIGFILE;
199 BOOL lookup_by_ip = False;
200 int commandline_debuglevel = -2;
207 setup_logging(argv[0],True);
209 while ((opt = getopt(argc, argv, "d:B:U:i:s:SMrhART")) != EOF)
213 bcast_addr = *interpret_addr2(optarg);
218 bcast_addr = *interpret_addr2(optarg);
223 translate_addresses = !translate_addresses;
227 extern pstring global_scope;
228 pstrcpy(global_scope,optarg);
229 strupper(global_scope);
239 recursion_desired = True;
242 commandline_debuglevel = DEBUGLEVEL = atoi(optarg);
245 pstrcpy(servicesf, optarg);
267 if (!lp_load(servicesf,True,False,False)) {
268 fprintf(stderr, "Can't load %s - run testparm to debug it\n", servicesf);
272 * Ensure we reset DEBUGLEVEL if someone specified it
273 * on the command line.
276 if(commandline_debuglevel != -2)
277 DEBUGLEVEL = commandline_debuglevel;
280 if (!open_sockets()) return(1);
282 for (i=optind;i<argc;i++)
287 fstrcpy(lookup,argv[i]);
292 ip = *interpret_addr2(argv[i]);
293 do_node_status(ServerFD, lookup, lookup_type, ip);
298 if (*lookup == '-') {
299 fstrcpy(lookup,"\01\02__MSBROWSE__\02");
306 p = strchr_m(lookup,'#');
309 sscanf(++p,"%x",&lookup_type);
312 if (!query_one(lookup, lookup_type)) {
313 printf( "name_query failed to find name %s", lookup );
314 if( 0 != lookup_type )
315 printf( "#%02x", lookup_type );