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#!/usr/bin/perl
##########################################################################
# $Id: pam_pwdb,v 1.18 2003/12/15 18:09:23 kirk Exp $
##########################################################################
########################################################
# This was written and is maintained by:
# Kirk Bauer <kirk@kaybee.org>
#
# Please send all comments, suggestions, bug reports,
# etc, to kirk@kaybee.org.
########################################################
# NOTE: This script is for older (6.X era) Red Hat boxes
$Detail = $ENV{'LOGWATCH_DETAIL_LEVEL'} || 0;
while (defined($ThisLine = <STDIN>)) {
if ( ( $ThisLine =~ /(.*) session closed for user .*$/ ) or
( $ThisLine =~ /^Logout user .* host .*$/ ) or
( $ThisLine =~ /^log: Password authentication/ ) or # apparently SSHD messages
( $ThisLine =~ /^log: Closing connection/ ) or # apparently SSHD messages
( $ThisLine =~ /^check pass; user unknown/ ) or
( $ThisLine =~ /^User account has expired/ ) or # This one is caught below (2-line message)
( $ThisLine =~ /^get passwd; pwdb: structure is no longer valid$/) or
( $ThisLine =~ /^fatal: Read error from remote host: Connection reset by peer$/) or
( $ThisLine =~ /^new password not acceptable$/ ) or
( $ThisLine =~ /^FTP session closed$/) or
( $ThisLine =~ /^FTP LOGIN REFUSED/) or
( $ThisLine =~ /^FAILED LOGIN SESSION FROM \S+ FOR , Error in service module/) or
( $ThisLine =~ /^FTP LOGIN FROM/ ) # I will let ftpd handle FTP messages....
) {
# We don't care about these
}
elsif ( $ThisLine =~ /password for \(.*\) changed by \(.*\)$/ ) {
chomp($ThisLine);
push @PWChanges, $ThisLine;
}
elsif ( ($RemoteHost,$User) = ( $ThisLine =~ /^failed login from ([^ ]+) \[.*\], ([^ ]+)$/) or
($RemoteHost,$User) = ( $ThisLine =~ /^Login failure user=(\S+) host=([^ ]+)$/) ) {
chomp ($User);
push @{$FailedLogins{$RemoteHost}}, $User;
}
elsif ( $ThisLine =~ s/auth could not identify password for \[([^ ]+)\]$/$1/ ) {
chomp ($ThisLine);
$CouldNotIDPW{$ThisLine}++;
}
elsif ( $ThisLine =~ s/^expiry check failed for \'([^ ]+)\'/$1/ ) {
# user account expired?
chomp($ThisLine);
push @Expired, $ThisLine;
}
elsif ( $ThisLine =~ s/bad username \[(.*)\]$/$1/ ) {
chomp($ThisLine);
push @BadName, $ThisLine;
}
elsif ( ($StartName,$StartUID,$EndName,$ServiceName) =
( $ThisLine =~ m/authentication failure.*; ([^ ]*)\(uid=(\d+)\) -> ([^ ]+) for ([^ ]+) service$/ ) ) {
$StartName = " " if (!$StartName);
$ThisKey = $StartName . "(uid=" . $StartUID . ") -> " . $EndName;
$AuthFailures{$ThisKey}{$ServiceName}++;
}
elsif ( ($Num,$StartName,$StartUID,$EndName,$ServiceName) =
( $ThisLine =~ m/^(\d+) authentication failure.*; ([^ ]*)\(uid=(\d+)\) -> ([^ ]+) for ([^ ]+) service$/ ) ) {
$StartName = " " if (!$StartName);
$ThisKey = $StartName . "(uid=" . $StartUID . ") -> " . $EndName;
$AuthFailures{$ThisKey}{$ServiceName}+=$Num;
}
elsif ( ($ThisKey,$ServiceName) = ( $ThisLine =~ /([^ ]+) authentication failed for ([^ ]+)$/ ) ) {
chomp($ThisKey); chomp($ServiceName);
$AuthFailures{$ThisKey}{$ServiceName}++;
}
elsif ( ($RemoteHost, $User) = ( $ThisLine =~ m/^FAILED LOGIN .* FROM ([^ ]+) FOR (.+), .*$/ ) ) {
push @{$FailedLogins{$RemoteHost}}, $User;
}
elsif ( $ThisLine =~ s/^ROOT LOGIN ON ([^ ]+)/$1/ ) {
chomp ($ThisLine);
$RootLogins{$ThisLine}++;
}
elsif ( ($User,$From) = ( $ThisLine =~ /^LOGIN ON [^ ]+ BY ([^ ]+) FROM ([^ ]+)$/ ) or
($User,$From) = ( $ThisLine =~ /^Login user=([^ ]+) host=([^ ]+)$/ ) ) {
chomp ($From);
${$RemoteLogins{$User}}{$From}++;
}
elsif ( $ThisLine =~ s/^LOGIN ON [^ ]+ BY ([^ ]+$)/$1/ ) {
chomp ($ThisLine);
$LocalLogins{$ThisLine}++;
}
elsif ( ($ServiceName,$StartName,$StartUID,$EndName) =
( $ThisLine =~ m/([^ ]+)\[[0-9]+\]:\s+authentication\s+failure;\s*logname=([^ ]+)\s+uid=([^ ]+).*user=([^ ]+)/ ) ) {
$StartName = " " if (!$StartName);
$ThisKey = $StartName . "(uid=" . $StartUID . ") -> " . $EndName;
$AuthFailures{$ThisKey}{$ServiceName}++;
}
elsif ( ($Service, $User, $Orig) = ( $ThisLine =~ /^\((.*)\) session opened for user ([^ ]+) by (.*\(uid=.*\))/ ) ) {
if (( $Service eq "su" ) and ($Orig =~ /[^ ]+\(uid=.*\)$/)) {
$Temp = " " . $Orig . " -> " . $User;
$SUList{$Temp}++;
}
else {
${$OpenedSessions{$Service}}{$User}++;
}
}
else {
# Report any unmatched entries...
chomp($ThisLine);
$OtherList{$ThisLine}++;
}
}
if (keys %SUList) {
print "\nSU Sessions:\n";
foreach $SU (keys %SUList) {
print " " . $SU . " - " . $SUList{$SU} . " Time(s)\n";
}
}
if (($Detail >= 10) and (keys %CouldNotIDPW)) {
print "\nCould not identify password for:\n";
foreach $User (keys %CouldNotIDPW) {
print " " . $User . " - " . $CouldNotIDPW{$User} . " Time(s)\n";
}
}
if (@PWChanges) {
print "\nPassword Changes:\n";
foreach $Change (@PWChanges) {
print " " . $Change . "\n";
}
}
if (($Detail >= 5) and (@BadName)) {
print "\nBad Usernames Received:\n";
foreach $User (@BadName) {
print " " . $User . "\n";
}
}
if (@Expired) {
print "\nExpired User Accounts:\n";
foreach $User (@Expired) {
print " " . $User . "\n";
}
}
if (keys %OpenedSessions) {
print "\nOpened Sessions:\n";
foreach $Service (keys %OpenedSessions) {
print " Service: " . $Service . "\n";
foreach $User (keys %{$OpenedSessions{$Service}}) {
print " User " . $User . " - " . ${$OpenedSessions{$Service}}{$User} . " Time(s)\n";
}
}
}
if (keys %RemoteLogins) {
print "\nRemote Logins:\n";
foreach $User (keys %RemoteLogins) {
print " User " . $User . ":\n";
foreach $Remote (keys %{$RemoteLogins{$User}} ) {
print " Remote Host " . $Remote . " - " . ${$RemoteLogins{$User}}{$Remote} . " Time(s)\n";
}
}
}
if (keys %LocalLogins) {
print "\nLocal Logins:\n";
foreach $User (keys %LocalLogins) {
print " " . $User . " - " . $LocalLogins{$User} . " Time(s)\n";
}
}
if (keys %RootLogins) {
print "\nRoot Logins:\n";
foreach $tty (keys %RootLogins) {
print " " . $tty . ": " . $RootLogins{$tty} . " time(s)\n";
}
}
if (($Detail >= 5) and (keys %AuthFailures)) {
print "\nAuthentication Failures:\n";
foreach $Users (keys %AuthFailures) {
print " " . $Users . "\n";
foreach $Service (keys %{$AuthFailures{$Users}}) {
print " Service: " . $Service . ": " . ${$AuthFailures{$Users}}{$Service} . " time(s)\n";
}
}
}
if (($Detail >= 5) and (keys %FailedLogins)) {
print "\nLogin Failures:\n";
foreach $RemoteHost (keys %FailedLogins) {
print " " . $RemoteHost . ": ";
foreach $User ( @{$FailedLogins{$RemoteHost}} ) {
print $User . ", ";
}
print "\n";
}
}
if (keys %OtherList) {
print "\n**Unmatched Entries**\n";
foreach $line (sort {$a cmp $b} keys %OtherList) {
print "$line: $OtherList{$line} Time(s)\n";
}
}
exit(0);
# vi: shiftwidth=3 tabstop=3 et
|
