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00023 #include "includes.h"
00024
00025 extern BOOL AllowDebugChange;
00026
00027 static BOOL give_flags = False;
00028 static BOOL use_bcast = True;
00029 static BOOL got_bcast = False;
00030 static struct in_addr bcast_addr;
00031 static BOOL recursion_desired = False;
00032 static BOOL translate_addresses = False;
00033 static int ServerFD= -1;
00034 static int RootPort = False;
00035 static BOOL find_status=False;
00036
00037
00038
00039
00040 static BOOL open_sockets(void)
00041 {
00042 ServerFD = open_socket_in( SOCK_DGRAM,
00043 (RootPort ? 137 : 0),
00044 (RootPort ? 0 : 3),
00045 interpret_addr(lp_socket_address()), True );
00046
00047 if (ServerFD == -1)
00048 return(False);
00049
00050 set_socket_options( ServerFD, "SO_BROADCAST" );
00051
00052 DEBUG(3, ("Socket opened.\n"));
00053 return True;
00054 }
00055
00056
00057
00058
00059 static char *node_status_flags(unsigned char flags)
00060 {
00061 static fstring ret;
00062 fstrcpy(ret,"");
00063
00064 fstrcat(ret, (flags & 0x80) ? "<GROUP> " : " ");
00065 if ((flags & 0x60) == 0x00) fstrcat(ret,"B ");
00066 if ((flags & 0x60) == 0x20) fstrcat(ret,"P ");
00067 if ((flags & 0x60) == 0x40) fstrcat(ret,"M ");
00068 if ((flags & 0x60) == 0x60) fstrcat(ret,"H ");
00069 if (flags & 0x10) fstrcat(ret,"<DEREGISTERING> ");
00070 if (flags & 0x08) fstrcat(ret,"<CONFLICT> ");
00071 if (flags & 0x04) fstrcat(ret,"<ACTIVE> ");
00072 if (flags & 0x02) fstrcat(ret,"<PERMANENT> ");
00073
00074 return ret;
00075 }
00076
00077
00078
00079
00080 static char *query_flags(int flags)
00081 {
00082 static fstring ret1;
00083 fstrcpy(ret1, "");
00084
00085 if (flags & NM_FLAGS_RS) fstrcat(ret1, "Response ");
00086 if (flags & NM_FLAGS_AA) fstrcat(ret1, "Authoritative ");
00087 if (flags & NM_FLAGS_TC) fstrcat(ret1, "Truncated ");
00088 if (flags & NM_FLAGS_RD) fstrcat(ret1, "Recursion_Desired ");
00089 if (flags & NM_FLAGS_RA) fstrcat(ret1, "Recursion_Available ");
00090 if (flags & NM_FLAGS_B) fstrcat(ret1, "Broadcast ");
00091
00092 return ret1;
00093 }
00094
00095
00096
00097
00098 static void do_node_status(int fd, const char *name, int type, struct in_addr ip)
00099 {
00100 struct nmb_name nname;
00101 int count, i, j;
00102 NODE_STATUS_STRUCT *status;
00103 struct node_status_extra extra;
00104 fstring cleanname;
00105
00106 d_printf("Looking up status of %s\n",inet_ntoa(ip));
00107 make_nmb_name(&nname, name, type);
00108 status = node_status_query(fd,&nname,ip, &count, &extra);
00109 if (status) {
00110 for (i=0;i<count;i++) {
00111 pull_ascii_fstring(cleanname, status[i].name);
00112 for (j=0;cleanname[j];j++) {
00113 if (!isprint((int)cleanname[j])) cleanname[j] = '.';
00114 }
00115 d_printf("\t%-15s <%02x> - %s\n",
00116 cleanname,status[i].type,
00117 node_status_flags(status[i].flags));
00118 }
00119 d_printf("\n\tMAC Address = %02X-%02X-%02X-%02X-%02X-%02X\n",
00120 extra.mac_addr[0], extra.mac_addr[1],
00121 extra.mac_addr[2], extra.mac_addr[3],
00122 extra.mac_addr[4], extra.mac_addr[5]);
00123 d_printf("\n");
00124 SAFE_FREE(status);
00125 } else {
00126 d_printf("No reply from %s\n\n",inet_ntoa(ip));
00127 }
00128 }
00129
00130
00131
00132
00133
00134 static BOOL query_one(const char *lookup, unsigned int lookup_type)
00135 {
00136 int j, count, flags = 0;
00137 struct in_addr *ip_list=NULL;
00138
00139 if (got_bcast) {
00140 d_printf("querying %s on %s\n", lookup, inet_ntoa(bcast_addr));
00141 ip_list = name_query(ServerFD,lookup,lookup_type,use_bcast,
00142 use_bcast?True:recursion_desired,
00143 bcast_addr,&count, &flags, NULL);
00144 } else {
00145 struct in_addr *bcast;
00146 for (j=iface_count() - 1;
00147 !ip_list && j >= 0;
00148 j--) {
00149 bcast = iface_n_bcast(j);
00150 d_printf("querying %s on %s\n",
00151 lookup, inet_ntoa(*bcast));
00152 ip_list = name_query(ServerFD,lookup,lookup_type,
00153 use_bcast,
00154 use_bcast?True:recursion_desired,
00155 *bcast,&count, &flags, NULL);
00156 }
00157 }
00158
00159 if (!ip_list) return False;
00160
00161 if (give_flags)
00162 d_printf("Flags: %s\n", query_flags(flags));
00163
00164 for (j=0;j<count;j++) {
00165 if (translate_addresses) {
00166 struct hostent *host = gethostbyaddr((char *)&ip_list[j], sizeof(ip_list[j]), AF_INET);
00167 if (host) {
00168 d_printf("%s, ", host -> h_name);
00169 }
00170 }
00171 d_printf("%s %s<%02x>\n",inet_ntoa(ip_list[j]),lookup, lookup_type);
00172
00173
00174
00175 if (find_status) {
00176 do_node_status(ServerFD, lookup, lookup_type, ip_list[j]);
00177 }
00178 }
00179
00180 safe_free(ip_list);
00181
00182 return (ip_list != NULL);
00183 }
00184
00185
00186
00187
00188
00189 int main(int argc,char *argv[])
00190 {
00191 int opt;
00192 unsigned int lookup_type = 0x0;
00193 fstring lookup;
00194 static BOOL find_master=False;
00195 static BOOL lookup_by_ip = False;
00196 poptContext pc;
00197
00198 struct poptOption long_options[] = {
00199 POPT_AUTOHELP
00200 { "broadcast", 'B', POPT_ARG_STRING, NULL, 'B', "Specify address to use for broadcasts", "BROADCAST-ADDRESS" },
00201 { "flags", 'f', POPT_ARG_VAL, &give_flags, True, "List the NMB flags returned" },
00202 { "unicast", 'U', POPT_ARG_STRING, NULL, 'U', "Specify address to use for unicast" },
00203 { "master-browser", 'M', POPT_ARG_VAL, &find_master, True, "Search for a master browser" },
00204 { "recursion", 'R', POPT_ARG_VAL, &recursion_desired, True, "Set recursion desired in package" },
00205 { "status", 'S', POPT_ARG_VAL, &find_status, True, "Lookup node status as well" },
00206 { "translate", 'T', POPT_ARG_NONE, NULL, 'T', "Translate IP addresses into names" },
00207 { "root-port", 'r', POPT_ARG_VAL, &RootPort, True, "Use root port 137 (Win95 only replies to this)" },
00208 { "lookup-by-ip", 'A', POPT_ARG_VAL, &lookup_by_ip, True, "Do a node status on <name> as an IP Address" },
00209 POPT_COMMON_SAMBA
00210 POPT_COMMON_CONNECTION
00211 { 0, 0, 0, 0 }
00212 };
00213
00214 *lookup = 0;
00215
00216 load_case_tables();
00217
00218 setup_logging(argv[0],True);
00219
00220 pc = poptGetContext("nmblookup", argc, (const char **)argv, long_options,
00221 POPT_CONTEXT_KEEP_FIRST);
00222
00223 poptSetOtherOptionHelp(pc, "<NODE> ...");
00224
00225 while ((opt = poptGetNextOpt(pc)) != -1) {
00226 switch (opt) {
00227 case 'B':
00228 bcast_addr = *interpret_addr2(poptGetOptArg(pc));
00229 got_bcast = True;
00230 use_bcast = True;
00231 break;
00232 case 'U':
00233 bcast_addr = *interpret_addr2(poptGetOptArg(pc));
00234 got_bcast = True;
00235 use_bcast = False;
00236 break;
00237 case 'T':
00238 translate_addresses = !translate_addresses;
00239 break;
00240 }
00241 }
00242
00243 poptGetArg(pc);
00244
00245 if(!poptPeekArg(pc)) {
00246 poptPrintUsage(pc, stderr, 0);
00247 exit(1);
00248 }
00249
00250 if (!lp_load(dyn_CONFIGFILE,True,False,False,True)) {
00251 fprintf(stderr, "Can't load %s - run testparm to debug it\n", dyn_CONFIGFILE);
00252 }
00253
00254 load_interfaces();
00255 if (!open_sockets()) return(1);
00256
00257 while(poptPeekArg(pc))
00258 {
00259 char *p;
00260 struct in_addr ip;
00261
00262 fstrcpy(lookup,poptGetArg(pc));
00263
00264 if(lookup_by_ip)
00265 {
00266 ip = *interpret_addr2(lookup);
00267 fstrcpy(lookup,"*");
00268 do_node_status(ServerFD, lookup, lookup_type, ip);
00269 continue;
00270 }
00271
00272 if (find_master) {
00273 if (*lookup == '-') {
00274 fstrcpy(lookup,"\01\02__MSBROWSE__\02");
00275 lookup_type = 1;
00276 } else {
00277 lookup_type = 0x1d;
00278 }
00279 }
00280
00281 p = strchr_m(lookup,'#');
00282 if (p) {
00283 *p = '\0';
00284 sscanf(++p,"%x",&lookup_type);
00285 }
00286
00287 if (!query_one(lookup, lookup_type)) {
00288 d_printf( "name_query failed to find name %s", lookup );
00289 if( 0 != lookup_type )
00290 d_printf( "#%02x", lookup_type );
00291 d_printf( "\n" );
00292 }
00293 }
00294
00295 poptFreeContext(pc);
00296
00297 return(0);
00298 }