summaryrefslogtreecommitdiff
path: root/source3/utils/nmblookup.c
diff options
context:
space:
mode:
Diffstat (limited to 'source3/utils/nmblookup.c')
-rw-r--r--source3/utils/nmblookup.c299
1 files changed, 200 insertions, 99 deletions
diff --git a/source3/utils/nmblookup.c b/source3/utils/nmblookup.c
index aa43173332..9549d16d04 100644
--- a/source3/utils/nmblookup.c
+++ b/source3/utils/nmblookup.c
@@ -1,8 +1,7 @@
/*
- Unix SMB/Netbios implementation.
- Version 1.9.
+ Unix SMB/CIFS implementation.
NBT client - used to lookup netbios names
- Copyright (C) Andrew Tridgell 1994-1995
+ 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
@@ -20,44 +19,35 @@
*/
-#ifdef SYSLOG
-#undef SYSLOG
-#endif
+#define NO_SYSLOG
#include "includes.h"
-#include "nameserv.h"
-extern int DEBUGLEVEL;
-
-extern pstring scope;
-
-extern struct in_addr bcast_ip;
-extern pstring myhostname;
+extern BOOL AllowDebugChange;
+static BOOL use_bcast = True;
static BOOL got_bcast = False;
-
-int ServerFD= -1;
+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)
{
- 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);
+ 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");
+ set_socket_options( ServerFD, "SO_BROADCAST" );
DEBUG(3, ("Socket opened.\n"));
return True;
@@ -65,43 +55,128 @@ static BOOL open_sockets(void)
/****************************************************************************
- initialise connect, service and file structs
+usage on the program
****************************************************************************/
-static BOOL init_structs(void )
+static void usage(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);
+ d_printf("Usage: nmblookup [-M] [-B bcast address] [-d debuglevel] name\n");
+ d_printf("Version %s\n",VERSION);
+ d_printf("\t-d debuglevel set the debuglevel\n");
+ d_printf("\t-B broadcast address the address to use for broadcasts\n");
+ d_printf("\t-U unicast address the address to use for unicast\n");
+ d_printf("\t-M searches for a master browser\n");
+ d_printf("\t-R set recursion desired in packet\n");
+ d_printf("\t-S lookup node status as well\n");
+ d_printf("\t-T translate IP addresses into names\n");
+ d_printf("\t-r Use root port 137 (Win95 only replies to this)\n");
+ d_printf("\t-A Do a node status on <name> as an IP Address\n");
+ d_printf("\t-i NetBIOS scope Use the given NetBIOS scope for name queries\n");
+ d_printf("\t-s smb.conf file Use the given path to the smb.conf file\n");
+ d_printf("\t-h Print this help message.\n");
+ d_printf("\n If you specify -M and name is \"-\", nmblookup looks up __MSBROWSE__<01>\n");
+ d_printf("\n");
+}
- DEBUG(2,("Using broadcast %s\n",inet_ntoa(bcast_ip)));
- }
- }
+/****************************************************************************
+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;
+}
- return True;
+/****************************************************************************
+do a node status query
+****************************************************************************/
+static void do_node_status(int fd, char *name, int type, struct in_addr ip)
+{
+ struct nmb_name nname;
+ int count, i, j;
+ struct node_status *status;
+ 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);
+ if (status) {
+ for (i=0;i<count;i++) {
+ fstrcpy(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));
+ }
+ SAFE_FREE(status);
+ }
+ d_printf("\n");
}
+
/****************************************************************************
-usage on the program
+send out one query
****************************************************************************/
-static void usage(void)
+static BOOL query_one(char *lookup, unsigned int lookup_type)
{
- 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");
+ int j, count;
+ 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);
+ } 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);
+ }
+ }
+
+ 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) {
+ 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);
}
@@ -111,50 +186,71 @@ static void usage(void)
int main(int argc,char *argv[])
{
int opt;
- unsigned int lookup_type = 0x20;
+ unsigned int lookup_type = 0x0;
pstring lookup;
extern int optind;
extern char *optarg;
BOOL find_master=False;
- BOOL find_status=False;
int i;
-
+ BOOL lookup_by_ip = False;
+ int commandline_debuglevel = -2;
+
DEBUGLEVEL = 1;
- *lookup = 0;
+ /* Prevent smb.conf setting from overridding */
+ AllowDebugChange = False;
- TimeInit();
+ *lookup = 0;
setup_logging(argv[0],True);
- charset_initialise();
-
- while ((opt = getopt(argc, argv, "p:d:B:i:SMh")) != EOF)
+ while ((opt = getopt(argc, argv, "d:B:U:i:s:SMrhART")) != EOF)
switch (opt)
{
case 'B':
- {
- unsigned long a = interpret_addr(optarg);
- putip((char *)&bcast_ip,(char *)&a);
- got_bcast = True;
- }
+ bcast_addr = *interpret_addr2(optarg);
+ got_bcast = True;
+ use_bcast = True;
break;
- case 'i':
- strcpy(scope,optarg);
- strupper(scope);
+ case 'U':
+ bcast_addr = *interpret_addr2(optarg);
+ got_bcast = True;
+ use_bcast = False;
+ break;
+ case 'T':
+ translate_addresses = !translate_addresses;
break;
+ case 'i':
+ {
+ extern pstring global_scope;
+ pstrcpy(global_scope,optarg);
+ strupper(global_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);
+ commandline_debuglevel = DEBUGLEVEL = atoi(optarg);
+ break;
+ case 's':
+ pstrcpy(dyn_CONFIGFILE, optarg);
break;
+ case 'r':
+ RootPort = True;
+ break;
case 'h':
usage();
exit(0);
break;
+ case 'A':
+ lookup_by_ip = True;
+ break;
default:
usage();
exit(1);
@@ -165,53 +261,58 @@ int main(int argc,char *argv[])
exit(1);
}
- init_structs();
- if (!open_sockets()) return(1);
+ if (!lp_load(dyn_CONFIGFILE,True,False,False)) {
+ fprintf(stderr, "Can't load %s - run testparm to debug it\n", dyn_CONFIGFILE);
+ }
- DEBUG(1,("Sending queries to %s\n",inet_ntoa(bcast_ip)));
+ /*
+ * Ensure we reset DEBUGLEVEL if someone specified it
+ * on the command line.
+ */
+ if(commandline_debuglevel != -2)
+ DEBUGLEVEL = commandline_debuglevel;
+
+ load_interfaces();
+ if (!open_sockets()) return(1);
for (i=optind;i<argc;i++)
- {
- BOOL bcast = True;
- int retries = 2;
+ {
char *p;
struct in_addr ip;
- strcpy(lookup,argv[i]);
+ fstrcpy(lookup,argv[i]);
+
+ if(lookup_by_ip)
+ {
+ fstrcpy(lookup,"*");
+ ip = *interpret_addr2(argv[i]);
+ do_node_status(ServerFD, lookup, lookup_type, ip);
+ continue;
+ }
if (find_master) {
if (*lookup == '-') {
- strcpy(lookup,"\01\02__MSBROWSE__\02");
+ fstrcpy(lookup,"\01\02__MSBROWSE__\02");
lookup_type = 1;
} else {
lookup_type = 0x1d;
}
}
- p = strchr(lookup,'#');
-
+ p = strchr_m(lookup,'#');
if (p) {
- *p = 0;
- sscanf(p+1,"%x",&lookup_type);
- bcast = False;
- retries = 1;
+ *p = '\0';
+ sscanf(++p,"%x",&lookup_type);
}
- 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);
+ 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" );
}
- }
-
+ }
+
return(0);
}
generated by cgit (git 2.34.1) at 2024-12-22 11:31:29 +0000