From dd83af65d743f1e57c93b3788e7ab40553547622 Mon Sep 17 00:00:00 2001
From: Gerald Carter <jerry@samba.org>
Date: Thu, 9 May 2002 04:12:15 +0000
Subject: merge from SAMBA_2_2 (This used to be commit
 cc241cb240db6956baf3d5c6b6d01a0a165a6ef5)

---
 source3/script/findsmb | 145 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 145 insertions(+)
 create mode 100755 source3/script/findsmb

(limited to 'source3/script')

diff --git a/source3/script/findsmb b/source3/script/findsmb
new file mode 100755
index 0000000000..04bc608050
--- /dev/null
+++ b/source3/script/findsmb
@@ -0,0 +1,145 @@
+#!/usr/bin/perl
+#
+# Prints info on all smb responding machines on a subnet.
+# This script needs to be run on a machine without nmbd running and be
+# run as root to get correct info from WIN95 clients.
+#
+# syntax:
+#    findsmb [subnet broadcast address]
+#
+# with no agrument it will list machines on the current subnet
+#
+# There will be a "+" in front of the workgroup name for machines that are
+# local master browsers for that workgroup. There will be an "*" in front
+# of the workgroup name for machines that are the domain master browser for
+# that workgroup.
+#
+
+$SAMBABIN = "/usr/bin";
+
+for ($i = 0; $i < 2; $i++) {	# test for -d option and broadcast address
+  $_ = shift;
+  if (m/-d|-D/) {
+    $DEBUG = 1;
+  } else  {
+    if ($_) {
+      $BCAST = "-B $_";
+    }
+  }
+}
+
+sub ipsort			# do numeric sort on last field of IP address
+{
+  @t1 = split(/\./,$a);
+  @t2 = split(/\./,$b);
+  @t1[3] <=> @t2[3];
+}
+
+# look for all machines that respond to a name lookup
+
+open(NMBLOOKUP,"$SAMBABIN/nmblookup $BCAST '*'|") || 
+  die("Can't run nmblookup '*'.\n");
+
+# get rid of all lines that are not a response IP address,
+# strip everything but IP address and sort by last field in address
+
+@ipaddrs = sort ipsort grep(s/ \*<00>.*$//,<NMBLOOKUP>);
+
+# print header info
+
+print "\nIP ADDR         NETBIOS NAME   WORKGROUP/OS/VERSION $BCAST\n";
+print "---------------------------------------------------------------------\n";
+
+foreach $ip (@ipaddrs)		# loop through each IP address found
+{
+  $ip =~ s/\n//;		# strip newline from IP address
+
+# find the netbios names registered by each machine
+
+  open(NMBLOOKUP,"$SAMBABIN/nmblookup -r -A $ip|") || 
+	die("Can't get nmb name list.\n");
+  @nmblookup = <NMBLOOKUP>;
+  close NMBLOOKUP;
+
+# get the first <00> name
+
+  @name = grep(/<00>/,@nmblookup);
+  $_ = @name[0];
+  if ($_) {                     # we have a netbios name
+    if (/GROUP/) {		# is it a group name
+	($name, $aliases, $type, $length, @addresses) = 
+	gethostbyaddr(pack('C4',split('\.',$ip)),2);
+	if (! $name) {			# could not get name
+	    $name = "unknown nis name";
+	}
+    } else {
+# The Netbios name can contain lot of characters also '<' '>'
+# and spaces. The follwing cure inside name space but not
+# names starting or ending with spaces
+	/(.{1,15})\s+<00>\s+/;
+	$name = $1;
+    }
+
+# do an smbclient command on the netbios name.
+
+    open(SMB,"$SAMBABIN/smbclient -N -L $name -I $ip -U% |") ||
+	die("Can't do smbclient command.\n");
+    @smb = <SMB>;
+    close SMB;
+
+    if ($DEBUG) {		# if -d flag print results of nmblookup and smbclient
+      print "===============================================================\n";
+      print @nmblookup;
+      print @smb;
+    }
+
+# look for the OS= string
+
+    @info = grep(/OS=/,@smb);
+    $_ = @info[0];
+    if ($_) {				# we found response
+      s/Domain=|OS=|Server=|\n//g;	# strip out descriptions to make line shorter
+
+    } else {				# no OS= string in response (WIN95 client)
+
+# for WIN95 clients get workgroup name from nmblookup response
+      @name = grep(/<00> - <GROUP>/,@nmblookup);
+      $_ = @name[0];
+      if ($_) {
+# Same as before for space and characters
+        /(.{1,15})\s+<00>\s+/;
+        $_ = "[$1]";
+      } else {
+	$_ = "Unknown Workgroup";
+      }
+    }
+
+# see if machine registered a local master browser name
+    if (grep(/<1d>/,@nmblookup)) {
+      $master = '+';			# indicate local master browser
+      if (grep(/<1b>/,@nmblookup)) {	# how about domain master browser?
+        $master = '*';			# indicate domain master browser
+      }
+    } else {
+      $master = ' ';			# not a browse master
+    }
+
+# line up info in 3 columns
+
+    print "$ip".' 'x(16-length($ip))."$name".' 'x(14-length($name))."$master"."$_\n";
+
+  } else {				# no netbios name found
+# try getting the host name
+    ($name, $aliases, $type, $length, @addresses) = 
+      gethostbyaddr(pack('C4',split('\.',$ip)),2);
+    if (! $name) {			# could not get name
+      $name = "unknown nis name";
+    }
+    if ($DEBUG) {			# if -d flag print results of nmblookup
+      print "===============================================================\n";
+      print @nmblookup;
+    }
+    print "$ip".' 'x(16-length($ip))."$name\n";
+  }
+} 
+
-- 
cgit