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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-05 17:47:29 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-05 17:47:29 +0000
commit4f5791ebd03eaec1c7da0865a383175b05102712 (patch)
tree8ce7b00f7a76baa386372422adebbe64510812d4 /third_party/heimdal/tools/kdc-log-analyze.pl
parentInitial commit. (diff)
downloadsamba-upstream.tar.xz
samba-upstream.zip
Adding upstream version 2:4.17.12+dfsg.upstream/2%4.17.12+dfsgupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/heimdal/tools/kdc-log-analyze.pl')
-rw-r--r--third_party/heimdal/tools/kdc-log-analyze.pl549
1 files changed, 549 insertions, 0 deletions
diff --git a/third_party/heimdal/tools/kdc-log-analyze.pl b/third_party/heimdal/tools/kdc-log-analyze.pl
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+#! /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 - 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;
+}