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Diffstat (limited to 'source3/utils/nmblookup.c')
-rw-r--r--source3/utils/nmblookup.c151
1 files changed, 88 insertions, 63 deletions
diff --git a/source3/utils/nmblookup.c b/source3/utils/nmblookup.c
index f920106f75..2f9bbc6c53 100644
--- a/source3/utils/nmblookup.c
+++ b/source3/utils/nmblookup.c
@@ -28,48 +28,37 @@ extern int DEBUGLEVEL;
extern pstring scope;
-extern pstring myhostname;
extern struct in_addr ipzero;
-int ServerFD= -1;
-
-BOOL RootPort = 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 = 0;
+static BOOL find_status=False;
/****************************************************************************
open the socket communication
**************************************************************************/
static BOOL open_sockets(void)
{
- if (RootPort)
- {
- ServerFD = open_socket_in( SOCK_DGRAM,
- 137,
- 3,
- interpret_addr(lp_socket_address()) );
-
- if (ServerFD == -1)
- {
- return(False);
- }
+ ServerFD = open_socket_in( SOCK_DGRAM,
+ (RootPort ? 137 :0),
+ 3,
+ interpret_addr(lp_socket_address()), True );
- 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))
+ if (ServerFD == -1)
return(False);
+ set_socket_options(ServerFD,"SO_BROADCAST");
+
+ DEBUG(3, ("Socket opened.\n"));
return True;
}
+
/****************************************************************************
usage on the program
****************************************************************************/
@@ -83,16 +72,71 @@ static void usage(void)
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-T translate IP addresses into names\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("\t-i NetBIOS scope Use the given NetBIOS scope for name queries\n");
printf("\t-s smb.conf file Use the given path to the smb.conf file\n");
printf("\t-h Print this help message.\n");
+ printf("\n If you specify -M and name is \"-\", nmblookup looks up __MSBROWSE__<01>\n");
printf("\n");
}
/****************************************************************************
+send out one query
+****************************************************************************/
+static BOOL query_one(char *lookup, unsigned int lookup_type)
+{
+ int j, count;
+ struct in_addr *ip_list=NULL;
+
+ if (got_bcast) {
+ 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,NULL);
+ } else {
+ struct in_addr *bcast;
+ for (j=iface_count() - 1;
+ !ip_list && j >= 0;
+ j--) {
+ bcast = iface_n_bcast(j);
+ 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,NULL);
+ }
+ }
+
+ if (!ip_list) return False;
+
+ 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) {
+ printf("%s, ", host -> h_name);
+ }
+ }
+ 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");
+ }
+
+ return (ip_list != NULL);
+}
+
+
+/****************************************************************************
main program
****************************************************************************/
int main(int argc,char *argv[])
@@ -103,14 +147,10 @@ int main(int argc,char *argv[])
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;
+ int commandline_debuglevel = -2;
DEBUGLEVEL = 1;
*lookup = 0;
@@ -121,21 +161,22 @@ int main(int argc,char *argv[])
charset_initialise();
- while ((opt = getopt(argc, argv, "d:B:U:i:s:SMrhAR")) != EOF)
+ while ((opt = getopt(argc, argv, "d:B:U:i:s:SMrhART")) != 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 'T':
+ translate_addresses = !translate_addresses;
+ break;
case 'i':
fstrcpy(scope,optarg);
strupper(scope);
@@ -150,13 +191,13 @@ int main(int argc,char *argv[])
recursion_desired = True;
break;
case 'd':
- DEBUGLEVEL = atoi(optarg);
+ commandline_debuglevel = DEBUGLEVEL = atoi(optarg);
break;
case 's':
pstrcpy(servicesf, optarg);
break;
case 'r':
- RootPort = True;
+ RootPort = -1;
break;
case 'h':
usage();
@@ -175,27 +216,25 @@ int main(int argc,char *argv[])
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);
+ /*
+ * Ensure we reset DEBUGLEVEL if someone specified it
+ * on the command line.
+ */
- DEBUG(1,("Sending queries to %s\n",inet_ntoa(bcast_addr)));
+ if(commandline_debuglevel != -2)
+ DEBUGLEVEL = commandline_debuglevel;
+ load_interfaces();
+ if (!open_sockets()) return(1);
for (i=optind;i<argc;i++)
{
- int j, count;
char *p;
struct in_addr ip;
- struct in_addr *ip_list;
fstrcpy(lookup,argv[i]);
@@ -225,21 +264,7 @@ int main(int argc,char *argv[])
sscanf(p+1,"%x",&lookup_type);
}
- if ((ip_list = name_query(ServerFD,lookup,lookup_type,use_bcast,
- use_bcast?True: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 {
+ if (!query_one(lookup, lookup_type)) {
printf("name_query failed to find name %s\n", lookup);
}
}
generated by cgit (git 2.34.1) at 2024-06-02 07:13:44 +0000