/* 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. */ #ifdef SYSLOG #undef SYSLOG #endif #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("\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, retries = 2; char *p; struct in_addr ip; struct in_addr *ip_list; fstrcpy(lookup,argv[i]); if(lookup_by_ip) { strcpy(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 == '-') { strcpy(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); retries = 1; } if ((ip_list = name_query(ServerFD,lookup,lookup_type,use_bcast,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); }