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Diffstat (limited to 'crypto/heimdal/tools/kdc-log-analyze.pl')
| -rwxr-xr-x | crypto/heimdal/tools/kdc-log-analyze.pl | 549 |
1 files changed, 549 insertions, 0 deletions
diff --git a/crypto/heimdal/tools/kdc-log-analyze.pl b/crypto/heimdal/tools/kdc-log-analyze.pl new file mode 100755 index 0000000..08d3e38 --- /dev/null +++ b/crypto/heimdal/tools/kdc-log-analyze.pl @@ -0,0 +1,549 @@ +#! /usr/pkg/bin/perl +# -*- mode: perl; perl-indent-level: 8 -*- +# +# Copyright (c) 2003 Kungliga Tekniska Högskolan +# (Royal Institute of Technology, Stockholm, Sweden). +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in the +# documentation and/or other materials provided with the distribution. +# +# 3. Neither the name of the Institute nor the names of its contributors +# may be used to endorse or promote products derived from this software +# without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND +# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +# ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE +# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +# SUCH DAMAGE. +# +# $Id: kdc-log-analyze.pl 17173 2006-04-23 13:19:21Z lha $ +# +# kdc-log-analyze - Analyze a KDC log file and give a report on the contents +# +# Note: The parts you want likely want to customize are the variable $notlocal, +# the array @local_network_re and the array @local_realms. +# +# Idea and implemetion for MIT Kerberos was done first by +# Ken Hornstein <kenh@cmf.nrl.navy.mil>, this program wouldn't exists +# without his help. +# + +use strict; +use Sys::Hostname; + +my $notlocal = 'not SU'; +my @local_realms = ( "SU.SE" ); +my @local_networks_re = + ( + "130\.237", + "193\.11\.3[0-9]\.", + "130.242.128", + "2001:6b0:5:" + ); + +my $as_req = 0; +my %as_req_addr; +my %as_req_addr_nonlocal; +my %as_req_client; +my %as_req_server; +my %addr_uses_des; +my %princ_uses_des; +my $five24_req = 0; +my %five24_req_addr; +my %five24_req_addr_nonlocal; +my %five24_req_server; +my %five24_req_client; +my $as_req_successful = 0; +my $as_req_error = 0; +my $no_such_princ = 0; +my %no_such_princ_princ; +my %no_such_princ_addr; +my %no_such_princ_addr_nonlocal; +my $as_req_etype_odd = 0; +my %bw_addr; +my $pa_alt_princ_request = 0; +my $pa_alt_princ_verify = 0; +my $tgs_req = 0; +my %tgs_req_addr; +my %tgs_req_addr_nonlocal; +my %tgs_req_client; +my %tgs_req_server; +my $tgs_xrealm_out = 0; +my %tgs_xrealm_out_realm; +my %tgs_xrealm_out_princ; +my $tgs_xrealm_in = 0; +my %tgs_xrealm_in_realm; +my %tgs_xrealm_in_princ; +my %enctype_session; +my %enctype_ticket; +my $restarts = 0; +my $forward_non_forward = 0; +my $v4_req = 0; +my %v4_req_addr; +my %v4_req_addr_nonlocal; +my $v4_cross = 0; +my %v4_cross_realm; +my $v5_cross = 0; +my %v5_cross_realm; +my $referrals = 0; +my %referral_princ; +my %referral_realm; +my %strange_tcp_data; +my $http_malformed = 0; +my %http_malformed_addr; +my $http_non_kdc = 0; +my %http_non_kdc_addr; +my $tcp_conn_timeout = 0; +my %tcp_conn_timeout_addr; +my $failed_processing = 0; +my %failed_processing_addr; +my $connection_closed = 0; +my %connection_closed_addr; +my $pa_failed = 0; +my %pa_failed_princ; +my %pa_failed_addr; +my %ip; + +$ip{'4'} = $ip{'6'} = 0; + +while (<>) { + process_line($_); +} + +print "Kerberos KDC Log Report for ", + hostname, " on ", scalar localtime, "\n\n"; + +print "General Statistics\n\n"; + +print "\tNumber of IPv4 requests: $ip{'4'}\n"; +print "\tNumber of IPv6 requests: $ip{'6'}\n\n"; + +print "\tNumber of restarts: $restarts\n"; +print "\tNumber of V4 requests: $v4_req\n"; +if ($v4_req > 0) { + print "\tTop ten IP addresses performing V4 requests:\n"; + topten(\%v4_req_addr); +} +if (int(keys %v4_req_addr_nonlocal) > 0) { + print "\tTop ten $notlocal IP addresses performing V4 requests:\n"; + topten(\%v4_req_addr_nonlocal); + +} +print "\n"; + +print "\tNumber of V4 cross realms (krb4 and 524) requests: $v4_cross\n"; +if ($v4_cross > 0) { + print "\tTop ten realms performing V4 cross requests:\n"; + topten(\%v4_cross_realm); +} +print "\n"; + +print "\tNumber of V45 cross realms requests: $v5_cross\n"; +if ($v5_cross > 0) { + print "\tTop ten realms performing V4 cross requests:\n"; + topten(\%v5_cross_realm); +} +print "\n"; + +print "\tNumber of failed lookups: $no_such_princ\n"; +if ($no_such_princ > 0) { + print "\tTop ten IP addresses failing to find principal:\n"; + topten(\%no_such_princ_addr); + print "\tTop ten $notlocal IP addresses failing find principal:\n"; + topten(\%no_such_princ_addr_nonlocal); + print "\tTop ten failed to find principals\n"; + topten(\%no_such_princ_princ); +} +print "\n"; + +print "\tBandwidth pigs:\n"; +topten(\%bw_addr); +print "\n"; + +print "\tStrange TCP data clients: ", int(keys %strange_tcp_data),"\n"; +topten(\%strange_tcp_data); +print "\n"; + +print "\tTimeout waiting on TCP requests: ", $tcp_conn_timeout,"\n"; +if ($tcp_conn_timeout > 0) { + print "\tTop ten TCP timeout request clients\n"; + topten(\%tcp_conn_timeout_addr); +} +print "\n"; + +print "\tFailed processing requests: ", $failed_processing,"\n"; +if ($failed_processing > 0) { + print "\tTop ten failed processing request clients\n"; + topten(\%failed_processing_addr); +} +print "\n"; + +print "\tConnection closed requests: ", $connection_closed,"\n"; +if ($connection_closed > 0) { + print "\tTop ten connection closed request clients\n"; + topten(\%connection_closed_addr); +} +print "\n"; + +print "\tMalformed HTTP requests: ", $http_malformed,"\n"; +if ($http_malformed > 0) { + print "\tTop ten malformed HTTP request clients\n"; + topten(\%http_malformed_addr); +} +print "\n"; + +print "\tHTTP non kdc requests: ", $http_non_kdc,"\n"; +if ($http_non_kdc > 0) { + print "\tTop ten HTTP non KDC request clients\n"; + topten(\%http_non_kdc_addr); +} +print "\n"; + +print "Report on AS_REQ requests\n\n"; +print "Overall AS_REQ statistics\n\n"; + +print "\tTotal number: $as_req\n"; + +print "\nAS_REQ client/server statistics\n\n"; + +print "\tDistinct IP Addresses performing requests: ", + int(keys %as_req_addr),"\n"; +print "\tOverall top ten IP addresses\n"; +topten(\%as_req_addr); + +print "\tDistinct non-local ($notlocal) IP Addresses performing requests: ", + int(keys %as_req_addr_nonlocal), "\n"; +print "\tTop ten non-local ($notlocal) IP address:\n"; +topten(\%as_req_addr_nonlocal); + +print "\n\tPreauth failed for for: ", $pa_failed, " requests\n"; +if ($pa_failed) { + print "\tPreauth failed top ten IP addresses:\n"; + topten(\%pa_failed_addr); + print "\tPreauth failed top ten principals:\n"; + topten(\%pa_failed_princ); +} + +print "\n\tDistinct clients performing requests: ", + int(keys %as_req_client), "\n"; +print "\tTop ten clients:\n"; +topten(\%as_req_client); + +print "\tDistinct services requested: ", int(keys %as_req_server), "\n"; +print "\tTop ten requested services:\n"; +topten(\%as_req_server); + +print "\n\n\nReport on TGS_REQ requests:\n\n"; +print "Overall TGS_REQ statistics\n\n"; +print "\tTotal number: $tgs_req\n"; + +print "\nTGS_REQ client/server statistics\n\n"; +print "\tDistinct IP addresses performing requests: ", + int(keys %tgs_req_addr), "\n"; +print "\tOverall top ten IP addresses\n"; +topten(\%tgs_req_addr); + +print "\tDistinct non-local ($notlocal) IP Addresses performing requests: ", + int(keys %tgs_req_addr_nonlocal), "\n"; +print "\tTop ten non-local ($notlocal) IP address:\n"; +topten(\%tgs_req_addr_nonlocal); + +print "\tDistinct clients performing requests: ", + int(keys %tgs_req_client), "\n"; +print "\tTop ten clients:\n"; +topten(\%tgs_req_client); + +print "\tDistinct services requested: ", int(keys %tgs_req_server), "\n"; +print "\tTop ten requested services:\n"; +topten(\%tgs_req_server); + +print "\n\n\nReport on 524_REQ requests:\n\n"; + +print "\t524_REQ client/server statistics\n\n"; + +print "\tDistinct IP Addresses performing requests: ", + int(keys %five24_req_addr),"\n"; +print "\tOverall top ten IP addresses\n"; +topten(\%five24_req_addr); + +print "\tDistinct non-local ($notlocal) IP Addresses performing requests: ", + int(keys %five24_req_addr_nonlocal), "\n"; +print "\tTop ten non-local ($notlocal) IP address:\n"; +topten(\%five24_req_addr_nonlocal); + +print "\tDistinct clients performing requests: ", int(keys %five24_req_client), "\n"; +print "\tTop ten clients:\n"; +topten(\%five24_req_client); + +print "\tDistinct services requested: ", int(keys %five24_req_server), "\n"; +print "\tTop ten requested services:\n"; +topten(\%five24_req_server); +print "\n"; + +print "Cross realm statistics\n\n"; + +print "\tNumber of cross-realm tgs out: $tgs_xrealm_out\n"; +if ($tgs_xrealm_out > 0) { + print "\tTop ten realms used for out cross-realm:\n"; + topten(\%tgs_xrealm_out_realm); + print "\tTop ten principals use out cross-realm:\n"; + topten(\%tgs_xrealm_out_princ); +} +print "\tNumber of cross-realm tgs in: $tgs_xrealm_in\n"; +if ($tgs_xrealm_in > 0) { + print "\tTop ten realms used for in cross-realm:\n"; + topten(\%tgs_xrealm_in_realm); + print "\tTop ten principals use in cross-realm:\n"; + topten(\%tgs_xrealm_in_princ); +} + +print "\n\nReport on referral:\n\n"; + +print "\tNumber of referrals: $referrals\n"; +if ($referrals > 0) { + print "\tTop ten referral-ed principals:\n"; + topten(\%referral_princ); + print "\tTop ten to realm referrals:\n"; + topten(\%referral_realm); +} + +print "\n\nEnctype Statistics:\n\n"; +print "\tTop ten session enctypes:\n"; +topten(\%enctype_session); +print "\tTop ten ticket enctypes:\n"; +topten(\%enctype_ticket); + +print "\tDistinct IP addresses using DES: ", int(keys %addr_uses_des), "\n"; +print "\tTop IP addresses using DES:\n"; +topten(\%addr_uses_des); +print "\tDistinct principals using DES: ", int(keys %princ_uses_des), "\n"; +print "\tTop ten principals using DES:\n"; +topten(\%princ_uses_des); + +print "\n"; + +printf("Requests to forward non-forwardable ticket: $forward_non_forward\n"); + + +exit 0; + +my $last_addr = ""; +my $last_principal = ""; + +sub process_line { + local($_) = @_; + # + # Eat these lines that are output as a result of startup (but + # log the number of restarts) + # + if (/AS-REQ \(krb4\) (.*) from IPv([46]):([0-9\.:a-fA-F]+) for krbtgt.*$/){ + $v4_req++; + $v4_req_addr{$3}++; + $v4_req_addr_nonlocal{$3}++ if (!islocaladdr($3)); + $last_addr = $3; + $last_principal = $1; + $ip{$2}++; + } elsif (/AS-REQ (.*) from IPv([46]):([0-9\.:a-fA-F]+) for (.*)$/) { + $as_req++; + $as_req_client{$1}++; + $as_req_server{$4}++; + $as_req_addr{$3}++; + $as_req_addr_nonlocal{$3}++ if (!islocaladdr($3)); + $last_addr = $3; + $last_principal = $1; + $ip{$2}++; + } elsif (/TGS-REQ \(krb4\)/) { + #Nothing + } elsif (/TGS-REQ (.+) from IPv([46]):([0-9\.:a-fA-F]+) for (.*?)( \[.*\]){0,1}$/) { + $tgs_req++; + $tgs_req_client{$1}++; + $tgs_req_server{$4}++; + $tgs_req_addr{$3}++; + $tgs_req_addr_nonlocal{$3}++ if (!islocaladdr($3)); + $last_addr = $3; + $last_principal = $1; + $ip{$2}++; + + my $source = $1; + my $dest = $4; + + if (!islocalrealm($source)) { + $tgs_xrealm_in++; + $tgs_xrealm_in_princ{$source}++; + if ($source =~ /[^@]+@([^@]+)/ ) { + $tgs_xrealm_in_realm{$1}++; + } + } + if ($dest =~ /krbtgt\/([^@]+)@[^@]+/) { + if (!islocalrealm($1)) { + $tgs_xrealm_out++; + $tgs_xrealm_out_realm{$1}++; + $tgs_xrealm_out_princ{$source}++; + } + } + } elsif (/524-REQ (.*) from IPv([46]):([0-9\.:a-fA-F]+) for (.*)$/) { + $five24_req++; + $five24_req_client{$1}++; + $five24_req_server{$4}++; + $five24_req_addr{$3}++; + $five24_req_addr_nonlocal{$3}++ if (!islocaladdr($3)); + $last_addr = $3; + $last_principal = $1; + $ip{$2}++; + } elsif (/TCP data of strange type from IPv[46]:([0-9\.:a-fA-F]+)/) { + $strange_tcp_data{$1}++; + } elsif (/Lookup (.*) failed: No such entry in the database/) { + $no_such_princ++; + $no_such_princ_addr{$last_addr}++; + $no_such_princ_addr_nonlocal{$last_addr}++ if (!islocaladdr($last_addr)); + $no_such_princ_princ{$1}++; + } elsif (/Lookup .* succeeded$/) { + # Nothing + } elsif (/Malformed HTTP request from IPv[46]:([0-9\.:a-fA-F]+)$/) { + $http_malformed++; + $http_malformed_addr{$1}++; + } elsif (/TCP-connection from IPv[46]:([0-9\.:a-fA-F]+) expired after [0-9]+ bytes/) { + $tcp_conn_timeout++; + $tcp_conn_timeout_addr{$1}++; + } elsif (/Failed processing [0-9]+ byte request from IPv[46]:([0-9\.:a-fA-F]+)/) { + $failed_processing++; + $failed_processing_addr{$1}++; + } elsif (/connection closed before end of data after [0-9]+ bytes from IPv[46]:([0-9\.:a-fA-F]+)/) { + $connection_closed++; + $connection_closed_addr{$1}++; + } elsif (/HTTP request from IPv[46]:([0-9\.:a-fA-F]+) is non KDC request/) { + $http_non_kdc++; + $http_non_kdc_addr{$1}++; + } elsif (/returning a referral to realm (.*) for server (.*) that was not found/) { + $referrals++; + $referral_princ{$2}++; + $referral_realm{$1}++; + } elsif (/krb4 Cross-realm (.*) -> (.*) disabled/) { + $v4_cross++; + $v4_cross_realm{$1."->".$2}++; + } elsif (/524 cross-realm (.*) -> (.*) disabled/) { + $v4_cross++; + $v4_cross_realm{$1."->".$2}++; + } elsif (/cross-realm (.*) -> (.*): no transit through realm (.*)/) { + } elsif (/cross-realm (.*) -> (.*) via \[([^\]]+)\]/) { + $v5_cross++; + $v5_cross_realm{$1."->".$2}++; + } elsif (/cross-realm (.*) -> (.*)/) { + $v5_cross++; + $v5_cross_realm{$1."->".$2}++; + } elsif (/sending ([0-9]+) bytes to IPv[46]:([0-9\.:a-fA-F]+)/) { + $bw_addr{$2} += $1; + } elsif (/Using ([-a-z0-9]+)\/([-a-z0-9]+)/) { + $enctype_ticket{$1}++; + $enctype_session{$2}++; + + my $ticket = $1; + my $session = $2; + + if ($ticket =~ /des-cbc-(crc|md4|md5)/) { + $addr_uses_des{$last_addr}++; + $princ_uses_des{$last_principal}++; + } + + } elsif (/Failed to decrypt PA-DATA -- (.+)$/) { + $pa_failed++; + $pa_failed_princ{$last_principal}++; + $pa_failed_addr{$last_addr}++; + + } elsif (/Request to forward non-forwardable ticket/) { + $forward_non_forward++; + } elsif (/HTTP request:/) { + } elsif (/krb_rd_req: Incorrect network address/) { + } elsif (/krb_rd_req: Ticket expired \(krb_rd_req\)/) { + } elsif (/Ticket expired \(.*\)/) { + } elsif (/krb_rd_req: Can't decode authenticator \(krb_rd_req\)/) { + } elsif (/Request from wrong address/) { + # XXX + } elsif (/UNKNOWN --/) { + # XXX + } elsif (/Too large time skew -- (.*)$/) { + # XXX + } elsif (/No PA-ENC-TIMESTAMP --/) { + # XXX + } elsif (/Looking for pa-data --/) { + # XXX + } elsif (/Pre-authentication succeded -- (.+)$/) { + # XXX + } elsif (/Bad request for ([,a-zA-Z0-9]+) ticket/) { + # XXX + } elsif (/Failed to verify AP-REQ: Ticket expired/) { + # XXX + } elsif (/Client not found in database:/) { + # XXX + } elsif (/Server not found in database \(krb4\)/) { + } elsif (/Server not found in database:/) { + # XXX + } elsif (/newsyslog.*logfile turned over/) { + # Nothing + } elsif (/Requested flags:/) { + # Nothing + } elsif (/shutting down/) { + # Nothing + } elsif (/listening on IP/) { + # Nothing + } elsif (/commencing operation/) { + $restarts++; + } + # + # Log it if we didn't parse the line + # + else { + print "Unknown log file line: $_"; + } +} + +sub topten { + my ($list) = @_; + my @keys; + + my $key; + + @keys = (sort {$$list{$b} <=> $$list{$a}} (keys %{$list})); + splice @keys, 10; + + foreach $key (@keys) { + print "\t\t$key - $$list{$key}\n"; + } +} + +sub islocaladdr (\$) { + my ($addr) = @_; + my $net; + + foreach $net (@local_networks_re) { + return 1 if ($addr =~ /$net/); + } + return 0; +} + +sub islocalrealm (\$) { + my ($princ) = @_; + my $realm; + + foreach $realm (@local_realms) { + return 1 if ($princ eq $realm); + return 1 if ($princ =~ /[^@]+\@${realm}/); + } + return 0; +} |
