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-rw-r--r--source4/utils/nmblookup.c299
1 files changed, 299 insertions, 0 deletions
diff --git a/source4/utils/nmblookup.c b/source4/utils/nmblookup.c
new file mode 100644
index 0000000000..4ed4284786
--- /dev/null
+++ b/source4/utils/nmblookup.c
@@ -0,0 +1,299 @@
+/*
+ Unix SMB/CIFS implementation.
+ NBT client - used to lookup netbios names
+ Copyright (C) Andrew Tridgell 1994-1998
+ Copyright (C) Jelmer Vernooij 2003 (Conversion to popt)
+
+ 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.
+
+*/
+
+#define NO_SYSLOG
+
+#include "includes.h"
+
+extern BOOL AllowDebugChange;
+
+static BOOL give_flags = False;
+static BOOL use_bcast = True;
+static BOOL got_bcast = False;
+static struct in_addr bcast_addr;
+static BOOL recursion_desired = False;
+static BOOL translate_addresses = False;
+static int ServerFD= -1;
+static int RootPort = False;
+static BOOL find_status=False;
+
+/****************************************************************************
+ open the socket communication
+ **************************************************************************/
+static BOOL open_sockets(void)
+{
+ ServerFD = open_socket_in( SOCK_DGRAM,
+ (RootPort ? 137 : 0),
+ (RootPort ? 0 : 3),
+ interpret_addr(lp_socket_address()), True );
+
+ if (ServerFD == -1)
+ return(False);
+
+ set_socket_options( ServerFD, "SO_BROADCAST" );
+
+ DEBUG(3, ("Socket opened.\n"));
+ return True;
+}
+
+/****************************************************************************
+turn a node status flags field into a string
+****************************************************************************/
+static char *node_status_flags(unsigned char flags)
+{
+ static fstring ret;
+ fstrcpy(ret,"");
+
+ fstrcat(ret, (flags & 0x80) ? "<GROUP> " : " ");
+ if ((flags & 0x60) == 0x00) fstrcat(ret,"B ");
+ if ((flags & 0x60) == 0x20) fstrcat(ret,"P ");
+ if ((flags & 0x60) == 0x40) fstrcat(ret,"M ");
+ if ((flags & 0x60) == 0x60) fstrcat(ret,"H ");
+ if (flags & 0x10) fstrcat(ret,"<DEREGISTERING> ");
+ if (flags & 0x08) fstrcat(ret,"<CONFLICT> ");
+ if (flags & 0x04) fstrcat(ret,"<ACTIVE> ");
+ if (flags & 0x02) fstrcat(ret,"<PERMANENT> ");
+
+ return ret;
+}
+
+/****************************************************************************
+turn the NMB Query flags into a string
+****************************************************************************/
+static char *query_flags(int flags)
+{
+ static fstring ret1;
+ fstrcpy(ret1, "");
+
+ if (flags & NM_FLAGS_RS) fstrcat(ret1, "Response ");
+ if (flags & NM_FLAGS_AA) fstrcat(ret1, "Authoritative ");
+ if (flags & NM_FLAGS_TC) fstrcat(ret1, "Truncated ");
+ if (flags & NM_FLAGS_RD) fstrcat(ret1, "Recursion_Desired ");
+ if (flags & NM_FLAGS_RA) fstrcat(ret1, "Recursion_Available ");
+ if (flags & NM_FLAGS_B) fstrcat(ret1, "Broadcast ");
+
+ return ret1;
+}
+
+/****************************************************************************
+do a node status query
+****************************************************************************/
+static void do_node_status(int fd, const char *name, int type, struct in_addr ip)
+{
+ struct nmb_name nname;
+ int count, i, j;
+ struct node_status *status;
+ struct node_status_extra extra;
+ fstring cleanname;
+
+ d_printf("Looking up status of %s\n",inet_ntoa(ip));
+ make_nmb_name(&nname, name, type);
+ status = node_status_query(fd,&nname,ip, &count, &extra);
+ if (status) {
+ for (i=0;i<count;i++) {
+ pull_ascii_fstring(cleanname, status[i].name);
+ for (j=0;cleanname[j];j++) {
+ if (!isprint((int)cleanname[j])) cleanname[j] = '.';
+ }
+ d_printf("\t%-15s <%02x> - %s\n",
+ cleanname,status[i].type,
+ node_status_flags(status[i].flags));
+ }
+ d_printf("\n\tMAC Address = %02X-%02X-%02X-%02X-%02X-%02X\n",
+ extra.mac_addr[0], extra.mac_addr[1],
+ extra.mac_addr[2], extra.mac_addr[3],
+ extra.mac_addr[4], extra.mac_addr[5]);
+ d_printf("\n");
+ SAFE_FREE(status);
+ } else {
+ d_printf("No reply from %s\n\n",inet_ntoa(ip));
+ }
+}
+
+
+/****************************************************************************
+send out one query
+****************************************************************************/
+static BOOL query_one(const char *lookup, unsigned int lookup_type)
+{
+ int j, count, flags = 0;
+ struct in_addr *ip_list=NULL;
+
+ if (got_bcast) {
+ d_printf("querying %s on %s\n", lookup, inet_ntoa(bcast_addr));
+ ip_list = name_query(ServerFD,lookup,lookup_type,use_bcast,
+ use_bcast?True:recursion_desired,
+ bcast_addr,&count, &flags, NULL);
+ } else {
+ struct in_addr *bcast;
+ for (j=iface_count() - 1;
+ !ip_list && j >= 0;
+ j--) {
+ bcast = iface_n_bcast(j);
+ d_printf("querying %s on %s\n",
+ lookup, inet_ntoa(*bcast));
+ ip_list = name_query(ServerFD,lookup,lookup_type,
+ use_bcast,
+ use_bcast?True:recursion_desired,
+ *bcast,&count, &flags, NULL);
+ }
+ }
+
+ if (!ip_list) return False;
+
+ if (give_flags)
+ d_printf("Flags: %s\n", query_flags(flags));
+
+ for (j=0;j<count;j++) {
+ if (translate_addresses) {
+ struct hostent *host = gethostbyaddr((char *)&ip_list[j], sizeof(ip_list[j]), AF_INET);
+ if (host) {
+ d_printf("%s, ", host -> h_name);
+ }
+ }
+ d_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) {
+ do_node_status(ServerFD, lookup, lookup_type, ip_list[0]);
+ }
+
+ safe_free(ip_list);
+
+ return (ip_list != NULL);
+}
+
+
+/****************************************************************************
+ main program
+****************************************************************************/
+int main(int argc,char *argv[])
+{
+ int opt;
+ unsigned int lookup_type = 0x0;
+ fstring lookup;
+ static BOOL find_master=False;
+ static BOOL lookup_by_ip = False;
+ poptContext pc;
+
+ struct poptOption long_options[] = {
+ POPT_AUTOHELP
+ { "broadcast", 'B', POPT_ARG_STRING, NULL, 'B', "Specify address to use for broadcasts", "BROADCAST-ADDRESS" },
+ { "flags", 'f', POPT_ARG_VAL, &give_flags, True, "List the NMB flags returned" },
+ { "unicast", 'U', POPT_ARG_STRING, NULL, 'U', "Specify address to use for unicast" },
+ { "master-browser", 'M', POPT_ARG_VAL, &find_master, True, "Search for a master browser" },
+ { "recursion", 'R', POPT_ARG_VAL, &recursion_desired, True, "Set recursion desired in package" },
+ { "status", 'S', POPT_ARG_VAL, &find_status, True, "Lookup node status as well" },
+ { "translate", 'T', POPT_ARG_NONE, NULL, 'T', "Translate IP addresses into names" },
+ { "root-port", 'r', POPT_ARG_VAL, &RootPort, True, "Use root port 137 (Win95 only replies to this)" },
+ { "lookup-by-ip", 'A', POPT_ARG_VAL, &lookup_by_ip, True, "Do a node status on <name> as an IP Address" },
+ POPT_COMMON_SAMBA
+ POPT_COMMON_CONNECTION
+ { 0, 0, 0, 0 }
+ };
+
+ *lookup = 0;
+
+ setup_logging(argv[0],True);
+
+ pc = poptGetContext("nmblookup", argc, (const char **)argv, long_options,
+ POPT_CONTEXT_KEEP_FIRST);
+
+ poptSetOtherOptionHelp(pc, "<NODE> ...");
+
+ while ((opt = poptGetNextOpt(pc)) != -1) {
+ switch (opt) {
+ case 'B':
+ bcast_addr = *interpret_addr2(poptGetOptArg(pc));
+ got_bcast = True;
+ use_bcast = True;
+ break;
+ case 'U':
+ bcast_addr = *interpret_addr2(poptGetOptArg(pc));
+ got_bcast = True;
+ use_bcast = False;
+ break;
+ case 'T':
+ translate_addresses = !translate_addresses;
+ break;
+ }
+ }
+
+ poptGetArg(pc); /* Remove argv[0] */
+
+ if(!poptPeekArg(pc)) {
+ poptPrintUsage(pc, stderr, 0);
+ exit(1);
+ }
+
+ if (!lp_load(dyn_CONFIGFILE,True,False,False)) {
+ fprintf(stderr, "Can't load %s - run testparm to debug it\n", dyn_CONFIGFILE);
+ }
+
+ load_interfaces();
+ if (!open_sockets()) return(1);
+
+ while(poptPeekArg(pc))
+ {
+ char *p;
+ struct in_addr ip;
+
+ fstrcpy(lookup,poptGetArg(pc));
+
+ if(lookup_by_ip)
+ {
+ ip = *interpret_addr2(lookup);
+ fstrcpy(lookup,"*");
+ do_node_status(ServerFD, lookup, lookup_type, ip);
+ continue;
+ }
+
+ if (find_master) {
+ if (*lookup == '-') {
+ fstrcpy(lookup,"\01\02__MSBROWSE__\02");
+ lookup_type = 1;
+ } else {
+ lookup_type = 0x1d;
+ }
+ }
+
+ p = strchr_m(lookup,'#');
+ if (p) {
+ *p = '\0';
+ sscanf(++p,"%x",&lookup_type);
+ }
+
+ if (!query_one(lookup, lookup_type)) {
+ d_printf( "name_query failed to find name %s", lookup );
+ if( 0 != lookup_type )
+ d_printf( "#%02x", lookup_type );
+ d_printf( "\n" );
+ }
+ }
+
+ poptFreeContext(pc);
+
+ return(0);
+}
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