From 718e3744195351130f4ce7dbe0613f4b3e23df93 Mon Sep 17 00:00:00 2001
From: paul <paul>
Date: Fri, 13 Dec 2002 20:15:29 +0000
Subject: Initial revision

---
 tools/rrlookup.pl | 123 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 123 insertions(+)
 create mode 100644 tools/rrlookup.pl

(limited to 'tools/rrlookup.pl')

diff --git a/tools/rrlookup.pl b/tools/rrlookup.pl
new file mode 100644
index 00000000..2c14e73e
--- /dev/null
+++ b/tools/rrlookup.pl
@@ -0,0 +1,123 @@
+#! /usr/local/bin/perl
+##
+## Read BGPd logfile and lookup RR's whois database.
+##
+##   Copyright (c) 1997 Kunihiro Ishiguro
+##
+use Socket;
+
+## Configuration variables
+$whois_host = "whois.jpix.ad.jp";
+
+#$mail_address = "toshio\@iri.co.jp";
+$mail_address = "kunihiro\@zebra.org";
+$mailer = "/usr/sbin/sendmail -oi";
+
+#$logfile = "/usr/local/sbin/logfile"
+$logfile = "logfile";
+$lookuplog = "lookuplog";
+
+## mail routine
+{
+    local ($prefix, $origin);
+
+    open (LOG, $logfile) || die "can't open $logfile";
+    open (LOOKUP, ">$lookuplog") || die "can't open $lookuplog";
+    
+    for (;;) {
+    while (<LOG>) {
+        if (/Update\S+ ([\d\.\/]+) .* (\d+) [ie\?]/) {
+            $prefix = $1;
+            $origin = $2;
+            $ret = &whois_check ($prefix, $origin);
+            if ($ret) {
+                print LOOKUP "$prefix AS$origin : Check OK\n";
+            } else {
+                print LOOKUP "$prefix AS$origin : Error\n";
+            }
+#        fflush (LOOKUP);
+        }
+    }
+    sleep (3);
+    }
+}
+
+sub whois_check
+{
+    local ($prefix, $origin) = @_;
+    local ($rr_prefix, $rr_origin) = ();
+    local (@result);
+
+    $origin = "AS" . $origin;
+
+#    print "$prefix $origin\n";
+
+    @result = &whois ($prefix);
+
+    foreach (@result) {
+        if (/^route:.*\s([\d\.\/]+)$/) {
+            $rr_prefix = $1;
+        }
+        if (/^origin:.*\s(AS[\d]+)$/) {
+            $rr_origin = $1;
+
+            if ($prefix eq $rr_prefix and $origin eq $rr_origin) {
+                return 1;
+            }
+        }
+    }
+    alarm_mail ($prefix, $origin, @result);
+    return 0;
+}
+
+## get port of whois
+sub get_whois_port 
+{
+    local ($name, $aliases, $port, $proto) = getservbyname ("whois", "tcp");
+    return ($port, $proto);
+}
+
+## whois lookup
+sub whois 
+{
+    local ($query) = @_;
+    local ($port, $proto) = &get_whois_port;
+    local (@result);
+
+    if ($whois_host=~ /^\s*\d+\.\d+\.\d+\.\d+\s*$/) {
+       $address = pack ("C4",split(/\./,$host));
+    } else {
+       $address = (gethostbyname ($whois_host))[4];
+    }
+
+    socket (SOCKET, PF_INET, SOCK_STREAM, $proto);
+
+    if (connect (SOCKET, sockaddr_in ($port, $address))) {
+        local ($oldhandle) = select (SOCKET);
+        $| = 1;
+        select($oldhandle);
+
+        print SOCKET "$query\r\n";
+
+        @result = <SOCKET>;
+        return @result;
+    }
+}
+
+##
+sub alarm_mail 
+{
+    local ($prefix, $origin, @result) = @_;
+
+    open (MAIL, "|$mailer -t $mail_address") || die "can't open $mailer";
+    
+    print MAIL "From: root\@rr1.jpix.ad.jp\n";
+    print MAIL "Subject: RR $origin $prefix\n";
+    print MAIL "MIME-Version: 1.0\n";
+    print MAIL "Content-Type: text/plain; charset=us-ascii \n\n";
+    print MAIL "RR Lookup Error Report\n";
+    print MAIL "======================\n";
+    print MAIL "Announced route : $prefix from $origin\n\n";
+    print MAIL "@result";
+    close MAIL;
+}
-- 
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