Initial revision

1 files changed, 135 insertions, 0 deletions

diff --git a/tools/rrcheck.pl b/tools/rrcheck.pl
new file mode 100644
index 00000000..5e5a983c
--- /dev/null
+++ b/tools/rrcheck.pl
@@ -0,0 +1,135 @@
+#! /bin/perl
+##
+## Read BGPd logfile and lookup RR's whois database.
+##
+##   Copyright (c) 1997 Kunihiro Ishiguro
+##
+use Socket;
+
+## Configuration variables
+$whois_host = "whois.jpix.ad.jp";
+
+#$logfile = "/usr/local/sbin/logfile"
+$logfile = shift || die "Please specify filename";
+
+## mail routine
+{
+    local ($prefix, $origin);
+
+    open (LOG, $logfile) || die "can't open $logfile";
+    
+    $index = '';
+    while ($index) {
+	$index = <LOG>;
+	if ($index =~ /[bgpd]/) {
+	    break;
+	}
+    }
+
+    while (<LOG>) {
+	if (/([\d\.\/]+)\s+([\d\.]+)\s+(\d+)\s+(\d+)\s+([\d ]+)\s+[ie\?]/) {
+	    $prefix = $1;
+	    $nexthop = $2;
+	    $med = $3;
+	    $dummy = $4;
+	    $aspath = $5;
+	    ($origin) = ($aspath =~ /([\d]+)$/);
+
+	    print "$nexthop [$origin] $prefix $aspath ";
+
+	    $ret = &whois_check ($prefix, $origin);
+	    if ($ret == 0) {
+		print "Check OK\n";
+	    } elsif ($ret == 1){
+		print "AS orgin mismatch\n";
+	    } else {
+		print "prefix doesn't exist \n";
+	    }
+	}
+    }
+}
+
+sub whois_check
+{
+    local ($prefix, $origin) = @_;
+    local ($rr_prefix, $rr_origin) = ();
+    local (@result);
+
+    $origin = "AS" . $origin;
+
+    @result = &whois ($prefix);
+
+    $prefix_match = 0;
+    foreach (@result) {
+        if (/^route:.*\s([\d\.\/]+)$/) {
+            $rr_prefix = $1;
+        }
+        if (/^origin:.*\s(AS[\d]+)$/) {
+            $rr_origin = $1;
+
+            if ($prefix eq $rr_prefix and $origin eq $rr_origin) {
+                return 0;
+            } elsif ($prefix eq $rr_prefix) {
+		$prefix_match = 1;
+	    }
+        }
+    }
+#    alarm_mail ($prefix, $origin, @result);
+    if ($prefix_match) {
+	return 1;
+    } else {
+	return 2;
+    }
+}
+
+## 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;
+}