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Diffstat (limited to 'source/utils/nmblookup.c')
| -rw-r--r-- | source/utils/nmblookup.c | 217 |
1 files changed, 217 insertions, 0 deletions
diff --git a/source/utils/nmblookup.c b/source/utils/nmblookup.c new file mode 100644 index 00000000000..aa431733322 --- /dev/null +++ b/source/utils/nmblookup.c @@ -0,0 +1,217 @@ +/* + Unix SMB/Netbios implementation. + Version 1.9. + NBT client - used to lookup netbios names + Copyright (C) Andrew Tridgell 1994-1995 + + 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" +#include "nameserv.h" + +extern int DEBUGLEVEL; + +extern pstring scope; + +extern struct in_addr bcast_ip; +extern pstring myhostname; + +static BOOL got_bcast = False; + +int ServerFD= -1; + +/**************************************************************************** + open the socket communication + **************************************************************************/ +static BOOL open_sockets(void) +{ + struct hostent *hp; + + /* get host info */ + if ((hp = Get_Hostbyname(myhostname)) == 0) + { + DEBUG(0,( "Get_Hostbyname: Unknown host. %s\n",myhostname)); + return False; + } + + ServerFD = open_socket_in(SOCK_DGRAM, 0,3); + + 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 ) +{ + struct in_addr myip; + + if (!get_myname(myhostname,&myip)) + return(False); + + /* Read the broadcast address from the interface */ + { + struct in_addr ip0,ip2; + + ip0 = myip; + + if (!got_bcast) { + get_broadcast(&ip0,&bcast_ip,&ip2); + + DEBUG(2,("Using broadcast %s\n",inet_ntoa(bcast_ip))); + } + } + + 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-M searches for a master browser\n"); + printf("\t-S lookup node status as well\n"); + printf("\n"); +} + + +/**************************************************************************** + main program +****************************************************************************/ +int main(int argc,char *argv[]) +{ + int opt; + unsigned int lookup_type = 0x20; + pstring lookup; + extern int optind; + extern char *optarg; + BOOL find_master=False; + BOOL find_status=False; + int i; + + DEBUGLEVEL = 1; + *lookup = 0; + + TimeInit(); + + setup_logging(argv[0],True); + + charset_initialise(); + + while ((opt = getopt(argc, argv, "p:d:B:i:SMh")) != EOF) + switch (opt) + { + case 'B': + { + unsigned long a = interpret_addr(optarg); + putip((char *)&bcast_ip,(char *)&a); + got_bcast = True; + } + break; + case 'i': + strcpy(scope,optarg); + strupper(scope); + break; + case 'M': + find_master = True; + break; + case 'S': + find_status = True; + break; + case 'd': + DEBUGLEVEL = atoi(optarg); + break; + case 'h': + usage(); + exit(0); + break; + default: + usage(); + exit(1); + } + + if (argc < 2) { + usage(); + exit(1); + } + + init_structs(); + if (!open_sockets()) return(1); + + DEBUG(1,("Sending queries to %s\n",inet_ntoa(bcast_ip))); + + + for (i=optind;i<argc;i++) + { + BOOL bcast = True; + int retries = 2; + char *p; + struct in_addr ip; + + strcpy(lookup,argv[i]); + + 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); + bcast = False; + retries = 1; + } + + if (name_query(ServerFD,lookup,lookup_type,bcast,True, + bcast_ip,&ip,NULL)) + { + printf("%s %s\n",inet_ntoa(ip),lookup); + if (find_status) + { + printf("Looking up status of %s\n",inet_ntoa(ip)); + name_status(ServerFD,lookup,lookup_type,True,ip,NULL,NULL,NULL); + printf("\n"); + } + } else { + printf("couldn't find name %s\n",lookup); + } + } + + return(0); +} |