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_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(get_dyn_CONFIGFILE(),True,False,False,True)) {
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 );