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test-psad.pl
executable file
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test-psad.pl
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#!/usr/bin/perl -w
use File::Copy;
use File::Path;
use Getopt::Long 'GetOptions';
use strict;
#==================== config =====================
my $logfile = 'test.log';
my $output_dir = 'output';
my $conf_dir = 'conf';
my $run_dir = 'run';
my $scans_dir = 'scans';
my $syn_scan_file = 'syn_scan_1000_1500';
my $fin_scan_file = 'fin_scan_1000_1150';
my $xmas_scan_file = 'xmas_scan_1000_1150';
my $null_scan_file = 'null_scan_1000_1150';
my $ack_scan_file = 'ack_scan_1000_1150';
my $udp_scan_file = 'udp_scan_1000_1150';
my $ms_sql_server_sig_match_file = 'ms_sql_server_sig_match';
my $ipv6_ms_sql_server_sig_match_file = 'ipv6_ms_sql_server_sig_match';
my $no_ms_sql_server_sig_match_file = "$conf_dir/signatures_no_ms_sql_server_sig";
my $ipv6_connect_scan_file = 'ipv6_tcp_connect_nmap_default_scan';
my $ipv6_ping_scan_file = 'ipv6_ping_scan';
my $ipv6_invalid_icmp6_type_code_file = 'ipv6_invalid_icmp6_type_code';
my $ipv4_invalid_icmp6_type_code_file = 'invalid_icmp_type_code';
my $ipv4_valid_ping = 'ipv4_valid_ping';
my $ignore_ipv4_auto_dl_file = "$conf_dir/auto_dl_ignore_192.168.10.55";
my $ignore_ipv4_subnet_auto_dl_file = "$conf_dir/auto_dl_ignore_192.168.10.0_24";
my $ignore_ipv6_addr_auto_dl_file = "$conf_dir/auto_dl_ignore_ipv6_addr";
my $ignore_ipv6_addr_auto_dl_file_abbrev = "$conf_dir/auto_dl_ignore_ipv6_addr_abbrev";
my $dl5_ipv4_auto_dl_file = "$conf_dir/auto_dl_5_192.168.10.55";
my $dl5_ipv4_subnet_auto_dl_file = "$conf_dir/auto_dl_5_192.168.10.0_24";
my $dl5_ipv4_subnet_auto_dl_file_tcp = "$conf_dir/auto_dl_5_192.168.10.0_24_tcp";
my $dl5_ipv4_subnet_auto_dl_file_udp = "$conf_dir/auto_dl_5_192.168.10.0_24_udp";
my $psadCmd = 'psad-install/usr/sbin/psad';
my $cmd_out_tmp = 'cmd.out';
my $default_conf = "$conf_dir/default_psad.conf";
my $ignore_udp_conf = "$conf_dir/ignore_udp.conf";
my $ignore_tcp_conf = "$conf_dir/ignore_tcp.conf";
my $require_prefix_conf = "$conf_dir/require_DROP_syslog_prefix_str.conf";
my $require_missing_prefix_conf = "$conf_dir/require_missing_syslog_prefix_str.conf";
my $enable_ack_detection_conf = "$conf_dir/enable_ack_detection.conf";
my $disable_ipv6_conf = "$conf_dir/disable_ipv6_detection.conf";
#================== end config ===================
my $YES = 1;
my $NO = 0;
my $IGNORE = 2;
my $current_test_file = "$output_dir/init";
my $passed = 0;
my $failed = 0;
my $executed = 0;
my $test_include = '';
my @tests_to_include = ();
my $test_exclude = '';
my @tests_to_exclude = ();
my $list_mode = 0;
my $diff_mode = 0;
my $saved_last_results = 0;
my $PRINT_LEN = 68;
my $REQUIRED = 1;
my $OPTIONAL = 0;
my $MATCH_ALL_RE = 1;
my $MATCH_SINGLE_RE = 2;
my $help = 0;
my %test_keys = (
'category' => $REQUIRED,
'subcategory' => $OPTIONAL,
'detail' => $REQUIRED,
'function' => $REQUIRED,
'cmdline' => $OPTIONAL,
'fatal' => $OPTIONAL,
'exec_err' => $OPTIONAL,
'match_all' => $OPTIONAL,
'postive_output_matches' => $OPTIONAL,
'negative_output_matches' => $OPTIONAL,
);
### define all tests
my @tests = (
{
'category' => 'compilation',
'detail' => 'psad compiles',
'err_msg' => 'could not compile',
'function' => \&generic_exec,
'cmdline' => "perl -c $psadCmd",
'exec_err' => $NO,
'fatal' => $YES
},
{
'category' => 'operations',
'detail' => '--help',
'err_msg' => 'could not get --help output',
'function' => \&generic_exec,
'cmdline' => "$psadCmd -h -c $default_conf",
'exec_err' => $NO,
'fatal' => $NO
},
{
'category' => 'operations',
'detail' => 'config dump+validate',
'err_msg' => 'could not dump+validate config',
'function' => \&validate_config,
'cmdline' => "$psadCmd --test-mode -D -c $default_conf",
'exec_err' => $NO,
'fatal' => $NO
},
{
'category' => 'operations',
'detail' => '--fw-dump',
'err_msg' => 'could not dump fw policy',
'positive_output_matches' => [qr/^Chain/, qr/pkts\sbytes\starget/,
qr/\biptables\b/, qr/\bip6tables\b/],
'match_all' => $MATCH_ALL_RE,
'function' => \&generic_exec,
'cmdline' => "$psadCmd --test-mode --fw-dump -c $default_conf",
'exec_err' => $NO,
'fatal' => $NO
},
{
'category' => 'operations',
'detail' => '--fw-list-auto',
'err_msg' => 'could not list auto fw policy',
'positive_output_matches' => [qr/Listing\schains\sfrom\sIPT_AUTO_CHAIN/],
'match_all' => $MATCH_ALL_RE,
'function' => \&generic_exec,
'cmdline' => "$psadCmd --test-mode --fw-list-auto -c $default_conf",
'exec_err' => $NO,
'fatal' => $NO
},
{
'category' => 'operations',
'detail' => '--fw-analyze',
'err_msg' => 'could not analyze fw policy',
'positive_output_matches' => [qr/Parsing.*iptables/, qr/Parsing.*ip6tables/],
'match_all' => $MATCH_ALL_RE,
'function' => \&generic_exec,
'cmdline' => "$psadCmd --test-mode --fw-analyze -c $default_conf",
'exec_err' => $IGNORE,
'fatal' => $NO
},
{
'category' => 'operations',
'detail' => '--Status',
'err_msg' => 'could not get psad status',
'function' => \&generic_exec,
'cmdline' => "$psadCmd --test-mode -S -c $default_conf",
'exec_err' => $NO,
'fatal' => $NO
},
{
'category' => 'operations',
'detail' => '--Status --status-summary',
'err_msg' => 'could not get psad status summary',
'function' => \&generic_exec,
'cmdline' => "$psadCmd --test-mode -S --status-summary -c $default_conf",
'exec_err' => $NO,
'fatal' => $NO
},
{
'category' => 'operations',
'detail' => '--get-next-rule-id',
'err_msg' => 'could not get next rule id',
'positive_output_matches' => [qr/Next\savailable.*\s\d+/i],
'match_all' => $MATCH_ALL_RE,
'function' => \&generic_exec,
'cmdline' => "$psadCmd --test-mode --get-next-rule-id -c $default_conf",
'exec_err' => $NO,
'fatal' => $NO
},
{
'category' => 'operations',
'detail' => '--Benchmark --packets 1000',
'err_msg' => 'could not run psad in --Benchmark mode',
'positive_output_matches' => [qr/Entering\sbenchmark\smode/, qr/processing\stime\:\s\d+/],
'match_all' => $MATCH_ALL_RE,
'function' => \&generic_exec,
'cmdline' => "$psadCmd --test-mode --Benchmark --packets 1000 -c $default_conf",
'exec_err' => $IGNORE,
'fatal' => $NO
},
{
'category' => 'operations',
'detail' => 'IPv4 SYN scan detection',
'err_msg' => 'did not detect SYN scan',
'positive_output_matches' => [qr/Top\s\d+\sattackers/i,
qr/scanned\sports.*?1000\-1500\b/i,
qr/Source\sOS/i, qr/BACKDOOR/i,
qr/IP\sstatus/i,
qr/192\.168\.10\.55/],
'match_all' => $MATCH_ALL_RE,
'function' => \&generic_exec,
'cmdline' => "$psadCmd --test-mode -A -m $scans_dir/" .
&fw_type() . "/$syn_scan_file -c $default_conf",
'exec_err' => $NO,
'fatal' => $NO
},
{
'category' => 'operations',
'detail' => 'IPv4 MS SQL Server communication attempt detection',
'err_msg' => 'did not detect MS SQL Server attempt',
'positive_output_matches' => [qr/Top\s\d+\sattackers/i,
qr/scanned\sports/i,
qr/IP\sstatus/i,
qr/SQL\sServer\scommunication/i,
qr/192\.168\.10\.55/],
'match_all' => $MATCH_ALL_RE,
'function' => \&generic_exec,
'cmdline' => "$psadCmd --test-mode -A -m $scans_dir/" .
&fw_type() . "/$ms_sql_server_sig_match_file -c $default_conf",
'exec_err' => $NO,
'fatal' => $NO
},
{
'category' => 'operations',
'detail' => 'IPv6 MS SQL Server communication attempt detection',
'err_msg' => 'did not detect MS SQL Server attempt',
'positive_output_matches' => [qr/Top\s\d+\sattackers/i,
qr/scanned\sports/i,
qr/IP\sstatus/i,
qr/SQL\sServer\scommunication/i,
qr/SRC\:.*2001\:DB8\:0\:F101\:\:2/],
'match_all' => $MATCH_ALL_RE,
'function' => \&generic_exec,
'cmdline' => "$psadCmd --test-mode -A -m $scans_dir/" .
&fw_type() . "/$ipv6_ms_sql_server_sig_match_file -c $default_conf",
'exec_err' => $NO,
'fatal' => $NO
},
{
'category' => 'operations',
'detail' => 'IPv4 exclude MS SQL Server sig match',
'err_msg' => 'logged MS SQL Server attempt',
'negative_output_matches' => [
qr/SQL\sServer\scommunication/i],
'match_all' => $MATCH_ALL_RE,
'function' => \&generic_exec,
'cmdline' => "$psadCmd --test-mode -A -m $scans_dir/" .
&fw_type() . "/$ms_sql_server_sig_match_file " .
"--signatures $no_ms_sql_server_sig_match_file -c $default_conf",
'exec_err' => $NO,
'fatal' => $NO
},
{
'category' => 'operations',
'detail' => 'IPv6 exclude MS SQL Server sig match',
'err_msg' => 'logged MS SQL Server attempt',
'negative_output_matches' => [
qr/SQL\sServer\scommunication/i],
'match_all' => $MATCH_ALL_RE,
'function' => \&generic_exec,
'cmdline' => "$psadCmd --test-mode -A -m $scans_dir/" .
&fw_type() . "/$ipv6_ms_sql_server_sig_match_file " .
"--signatures $no_ms_sql_server_sig_match_file -c $default_conf",
'exec_err' => $NO,
'fatal' => $NO
},
{
'category' => 'operations',
'detail' => 'IPv4 FIN scan detection',
'err_msg' => 'did not detect FIN scan',
'positive_output_matches' => [qr/Top\s\d+\sattackers/i,
qr/scanned\sports.*?1000\-1150\b/i,
qr/IP\sstatus/i,
qr/SCAN\sFIN/i,
qr/192\.168\.10\.55/],
'match_all' => $MATCH_ALL_RE,
'function' => \&generic_exec,
'cmdline' => "$psadCmd --test-mode -A -m $scans_dir/" .
&fw_type() . "/$fin_scan_file -c $default_conf",
'exec_err' => $NO,
'fatal' => $NO
},
{
'category' => 'operations',
'detail' => 'IPv4 XMAS scan detection',
'err_msg' => 'did not detect XMAS scan',
'positive_output_matches' => [qr/Top\s\d+\sattackers/i,
qr/scanned\sports.*?1000\-1150\b/i,
qr/IP\sstatus/i,
qr/SCAN\snmap\sXMAS/i,
qr/192\.168\.10\.55/],
'match_all' => $MATCH_ALL_RE,
'function' => \&generic_exec,
'cmdline' => "$psadCmd --test-mode -A -m $scans_dir/" .
&fw_type() . "/$xmas_scan_file -c $default_conf",
'exec_err' => $NO,
'fatal' => $NO
},
{
'category' => 'operations',
'detail' => 'IPv4 NULL scan detection',
'err_msg' => 'did not detect NULL scan',
'positive_output_matches' => [qr/Top\s\d+\sattackers/i,
qr/scanned\sports.*?1000\-1150\b/i,
qr/IP\sstatus/i,
qr/192\.168\.10\.55/],
'match_all' => $MATCH_ALL_RE,
'function' => \&generic_exec,
'cmdline' => "$psadCmd --test-mode -A -m $scans_dir/" .
&fw_type() . "/$null_scan_file -c $default_conf",
'exec_err' => $NO,
'fatal' => $NO
},
{
'category' => 'operations',
'detail' => 'IPv4 ACK scan detection',
'err_msg' => 'did not detect ACK scan',
'positive_output_matches' => [qr/Top\s\d+\sattackers/i,
qr/scanned\sports.*?1000\-1150\b/i,
qr/IP\sstatus/i,
qr/192\.168\.10\.55/],
'match_all' => $MATCH_ALL_RE,
'function' => \&generic_exec,
'cmdline' => "$psadCmd --test-mode -A -m $scans_dir/" .
&fw_type() . "/$ack_scan_file -c $enable_ack_detection_conf",
'exec_err' => $NO,
'fatal' => $NO
},
{
'category' => 'operations',
'detail' => 'IPv4 UDP scan detection',
'err_msg' => 'did not detect UDP scan',
'positive_output_matches' => [qr/Top\s\d+\sattackers/i,
qr/scanned\sports.*?1000\-1150/i,
qr/IP\sstatus/i,
qr/192\.168\.10\.55/],
'match_all' => $MATCH_ALL_RE,
'function' => \&generic_exec,
'cmdline' => "$psadCmd --test-mode -A -m $scans_dir/" .
&fw_type() . "/$udp_scan_file -c $default_conf",
'exec_err' => $NO,
'fatal' => $NO
},
{
'category' => 'operations',
'detail' => 'DL5 IPv4 SYN scan source',
'err_msg' => 'did not set SYN scan source to DL5',
'positive_output_matches' => [qr/Top\s\d+\sattackers/i,
qr/scanned\sports.*?1000\-1500/i,
qr/IP\sstatus/i,
qr/192\.168\.10\.55,\sDL\:\s5/],
'match_all' => $MATCH_ALL_RE,
'function' => \&generic_exec,
'cmdline' => "$psadCmd --test-mode -A --auto-dl $dl5_ipv4_auto_dl_file " .
"-m $scans_dir/" . &fw_type() . "/$syn_scan_file -c $default_conf",
'exec_err' => $NO,
'fatal' => $NO
},
{
'category' => 'operations',
'detail' => 'DL5 IPv4 SYN scan source subnet',
'err_msg' => 'did not set SYN scan source to DL5',
'positive_output_matches' => [qr/Top\s\d+\sattackers/i,
qr/scanned\sports.*?1000\-1500/i,
qr/IP\sstatus/i,
qr/192\.168\.10\.55,\sDL\:\s5/],
'match_all' => $MATCH_ALL_RE,
'function' => \&generic_exec,
'cmdline' => "$psadCmd --test-mode -A --auto-dl $dl5_ipv4_subnet_auto_dl_file " .
"-m $scans_dir/" . &fw_type() . "/$syn_scan_file -c $default_conf",
'exec_err' => $NO,
'fatal' => $NO
},
{
'category' => 'operations',
'detail' => 'DL5 IPv4 SYN scan src subnet+tcp',
'err_msg' => 'did not set SYN scan source to DL5',
'positive_output_matches' => [qr/Top\s\d+\sattackers/i,
qr/scanned\sports.*?1000\-1500/i,
qr/IP\sstatus/i,
qr/192\.168\.10\.55,\sDL\:\s5/],
'match_all' => $MATCH_ALL_RE,
'function' => \&generic_exec,
'cmdline' => "$psadCmd --test-mode -A --auto-dl $dl5_ipv4_subnet_auto_dl_file_tcp " .
"-m $scans_dir/" . &fw_type() . "/$syn_scan_file -c $default_conf",
'exec_err' => $NO,
'fatal' => $NO
},
{
'category' => 'operations',
'detail' => 'non-DL5 IPv4 SYN scan src subnet+udp',
'err_msg' => 'set SYN scan source to DL5',
'negative_output_matches' => [qr/192\.168\.10\.55,\sDL\:\s5/],
'match_all' => $MATCH_ALL_RE,
'function' => \&generic_exec,
'cmdline' => "$psadCmd --test-mode -A --auto-dl $dl5_ipv4_subnet_auto_dl_file_udp " .
"-m $scans_dir/" . &fw_type() . "/$syn_scan_file -c $default_conf",
'exec_err' => $NO,
'fatal' => $NO
},
{
'category' => 'operations',
'detail' => 'DL5 IPv4 UDP scan source',
'err_msg' => 'did not set UDP scan source to DL5',
'positive_output_matches' => [qr/Top\s\d+\sattackers/i,
qr/scanned\sports.*?1000\-1150/i,
qr/IP\sstatus/i,
qr/192\.168\.10\.55,\sDL\:\s5/],
'match_all' => $MATCH_ALL_RE,
'function' => \&generic_exec,
'cmdline' => "$psadCmd --test-mode -A --auto-dl $dl5_ipv4_auto_dl_file " .
"-m $scans_dir/" . &fw_type() . "/$udp_scan_file -c $default_conf",
'exec_err' => $NO,
'fatal' => $NO
},
{
'category' => 'operations',
'detail' => 'DL5 IPv4 UDP scan source subnet',
'err_msg' => 'did not set UDP scan source to DL5',
'positive_output_matches' => [qr/Top\s\d+\sattackers/i,
qr/scanned\sports.*?1000\-1150/i,
qr/IP\sstatus/i,
qr/192\.168\.10\.55,\sDL\:\s5/],
'match_all' => $MATCH_ALL_RE,
'function' => \&generic_exec,
'cmdline' => "$psadCmd --test-mode -A --auto-dl $dl5_ipv4_subnet_auto_dl_file " .
"-m $scans_dir/" . &fw_type() . "/$udp_scan_file -c $default_conf",
'exec_err' => $NO,
'fatal' => $NO
},
{
'category' => 'operations',
'detail' => 'DL5 IPv4 UDP scan src subnet+udp',
'err_msg' => 'did not set UDP scan source to DL5',
'positive_output_matches' => [qr/Top\s\d+\sattackers/i,
qr/scanned\sports.*?1000\-1150/i,
qr/IP\sstatus/i,
qr/192\.168\.10\.55,\sDL\:\s5/],
'match_all' => $MATCH_ALL_RE,
'function' => \&generic_exec,
'cmdline' => "$psadCmd --test-mode -A --auto-dl $dl5_ipv4_subnet_auto_dl_file_udp " .
"-m $scans_dir/" . &fw_type() . "/$udp_scan_file -c $default_conf",
'exec_err' => $NO,
'fatal' => $NO
},
{
'category' => 'operations',
'detail' => 'non-DL5 IPv4 UDP scan src subnet+tcp',
'err_msg' => 'set UDP scan source to DL5',
'negative_output_matches' => [qr/192\.168\.10\.55,\sDL\:\s5/],
'match_all' => $MATCH_ALL_RE,
'function' => \&generic_exec,
'cmdline' => "$psadCmd --test-mode -A --auto-dl $dl5_ipv4_subnet_auto_dl_file_tcp " .
"-m $scans_dir/" . &fw_type() . "/$udp_scan_file -c $default_conf",
'exec_err' => $NO,
'fatal' => $NO
},
{
'category' => 'operations',
'detail' => 'ignore IPv4 SYN scan source',
'err_msg' => 'did not ignore SYN scan',
'negative_output_matches' => [qr/SRC\:\s+192\.168\.10\.55/],
'match_all' => $MATCH_ALL_RE,
'function' => \&generic_exec,
'cmdline' => "$psadCmd --test-mode -A --auto-dl $ignore_ipv4_auto_dl_file " .
"-m $scans_dir/" . &fw_type() . "/$syn_scan_file -c $default_conf",
'exec_err' => $NO,
'fatal' => $NO
},
{
'category' => 'operations',
'detail' => 'ignore IPv4 SYN scan source subnet',
'err_msg' => 'did not ignore SYN scan',
'negative_output_matches' => [qr/SRC\:\s+192\.168\.10\.55/],
'match_all' => $MATCH_ALL_RE,
'function' => \&generic_exec,
'cmdline' => "$psadCmd --test-mode -A --auto-dl $ignore_ipv4_subnet_auto_dl_file " .
"-m $scans_dir/" . &fw_type() . "/$syn_scan_file -c $default_conf",
'exec_err' => $NO,
'fatal' => $NO
},
{
'category' => 'operations',
'detail' => 'psad.conf ignore IPv4 TCP traffic',
'err_msg' => 'did not ignore TCP traffic',
'negative_output_matches' => [qr/SRC\:\s+192\.168\.10\.55/],
'match_all' => $MATCH_ALL_RE,
'function' => \&generic_exec,
'cmdline' => "$psadCmd --test-mode -A --auto-dl $dl5_ipv4_auto_dl_file " . ### psad.conf IGNORE_PROTOCOLS trumps auto_dl
"-m $scans_dir/" . &fw_type() . "/$syn_scan_file -c $ignore_tcp_conf",
'exec_err' => $NO,
'fatal' => $NO
},
{
'category' => 'operations',
'detail' => 'psad.conf require DROP prefix',
'err_msg' => 'did not find DROP prefix logs',
'positive_output_matches' => [qr/SRC\:\s+192\.168\.10\.55/],
'match_all' => $MATCH_ALL_RE,
'function' => \&generic_exec,
'cmdline' => "$psadCmd --test-mode -A --auto-dl $dl5_ipv4_auto_dl_file " . ### psad.conf FW_MSG_SEARCH trumps auto_dl
"-m $scans_dir/" . &fw_type() . "/$syn_scan_file -c $require_prefix_conf",
'exec_err' => $NO,
'fatal' => $NO
},
{
'category' => 'operations',
'detail' => 'psad.conf require missing DROP prefix',
'err_msg' => 'found DROP prefix logs',
'negative_output_matches' => [qr/SRC\:\s+192\.168\.10\.55/],
'match_all' => $MATCH_ALL_RE,
'function' => \&generic_exec,
'cmdline' => "$psadCmd --test-mode -A --auto-dl $dl5_ipv4_auto_dl_file " . ### psad.conf FW_MSG_SEARCH trumps auto_dl
"-m $scans_dir/" . &fw_type() . "/$syn_scan_file -c $require_missing_prefix_conf",
'exec_err' => $NO,
'fatal' => $NO
},
### UDP
{
'category' => 'operations',
'detail' => 'ignore IPv4 UDP scan source',
'err_msg' => 'did not ignore UDP scan',
'negative_output_matches' => [qr/SRC\:\s+192\.168\.10\.55/],
'match_all' => $MATCH_ALL_RE,
'function' => \&generic_exec,
'cmdline' => "$psadCmd --test-mode -A --auto-dl $ignore_ipv4_auto_dl_file " .
"-m $scans_dir/" . &fw_type() . "/$udp_scan_file -c $default_conf",
'exec_err' => $NO,
'fatal' => $NO
},
{
'category' => 'operations',
'detail' => 'ignore IPv4 UDP scan source subnet',
'err_msg' => 'did not ignore UDP scan',
'negative_output_matches' => [qr/SRC\:\s+192\.168\.10\.55/],
'match_all' => $MATCH_ALL_RE,
'function' => \&generic_exec,
'cmdline' => "$psadCmd --test-mode -A --auto-dl $ignore_ipv4_subnet_auto_dl_file " .
"-m $scans_dir/" . &fw_type() . "/$udp_scan_file -c $default_conf",
'exec_err' => $NO,
'fatal' => $NO
},
{
'category' => 'operations',
'detail' => 'psad.conf ignore IPv4 UDP traffic',
'err_msg' => 'did not ignore UDP traffic',
'negative_output_matches' => [qr/SRC\:\s+192\.168\.10\.55/],
'match_all' => $MATCH_ALL_RE,
'function' => \&generic_exec,
'cmdline' => "$psadCmd --test-mode -A --auto-dl $dl5_ipv4_auto_dl_file " . ### psad.conf IGNORE_PROTOCOLS trumps auto_dl
"-m $scans_dir/" . &fw_type() . "/$udp_scan_file -c $ignore_udp_conf",
'exec_err' => $NO,
'fatal' => $NO
},
{
'category' => 'operations',
'detail' => 'IPv6 TCP connect() scan detection',
'err_msg' => 'did not detect TCP connect() scan',
'positive_output_matches' => [qr/Top\s\d+\sattackers/i,
qr/scanned\sports.*?1\-65389\b/i,
qr/IP\sstatus/i,
qr/SRC\:.*2001\:DB8\:0\:F101\:\:2/],
'match_all' => $MATCH_ALL_RE,
'function' => \&generic_exec,
'cmdline' => "$psadCmd --test-mode -A -m $scans_dir/" .
&fw_type() . "/$ipv6_connect_scan_file -c $default_conf",
'exec_err' => $NO,
'fatal' => $NO
},
{
'category' => 'operations',
'detail' => 'IPv6 allow valid ping packets',
'err_msg' => 'generated detection event',
'negative_output_matches' => [
qr/SRC\:.*2001\:DB8\:0\:F101\:\:2/],
'match_all' => $MATCH_ALL_RE,
'function' => \&generic_exec,
'cmdline' => "$psadCmd --test-mode -A -m $scans_dir/" .
&fw_type() . "/$ipv6_ping_scan_file -c $default_conf",
'exec_err' => $NO,
'fatal' => $NO
},
{
'category' => 'operations',
'detail' => 'IPv6 invalid ICMP6 type/code detection',
'err_msg' => 'did not generate detection event',
'positive_output_matches' => [
qr/Invalid\sICMP6/,
qr/SRC\:.*2001\:DB8\:0\:F101\:\:2/],
'match_all' => $MATCH_ALL_RE,
'function' => \&generic_exec,
'cmdline' => "$psadCmd --test-mode -A -m $scans_dir/" .
&fw_type() . "/$ipv6_invalid_icmp6_type_code_file -c $default_conf",
'exec_err' => $NO,
'fatal' => $NO
},
{
'category' => 'operations',
'detail' => 'IPv4 allow valid ICMP echo request',
'err_msg' => 'generated detection event',
'negative_output_matches' => [
qr/Invalid\sICMP/,
qr/SRC\:\s+192.168.10.55/],
'match_all' => $MATCH_ALL_RE,
'function' => \&generic_exec,
'cmdline' => "$psadCmd --test-mode -A -m $scans_dir/" .
&fw_type() . "/$ipv4_valid_ping -c $default_conf",
'exec_err' => $NO,
'fatal' => $NO
},
{
'category' => 'operations',
'detail' => 'IPv4 invalid ICMP type/code detection',
'err_msg' => 'did not generate detection event',
'positive_output_matches' => [
qr/Invalid\sICMP/,
qr/SRC\:\s+192.168.10.55/],
'match_all' => $MATCH_ALL_RE,
'function' => \&generic_exec,
'cmdline' => "$psadCmd --test-mode -A -m $scans_dir/" .
&fw_type() . "/$ipv4_invalid_icmp6_type_code_file -c $default_conf",
'exec_err' => $NO,
'fatal' => $NO
},
{
'category' => 'operations',
'detail' => 'IPv6 disabled',
'err_msg' => 'logged IPv6 traffic',
'positive_output_matches' => [qr/\[NONE\]/],
'negative_output_matches' => [qr/SRC\:.*2001\:DB8\:0\:F101\:\:2/],
'match_all' => $MATCH_ALL_RE,
'function' => \&generic_exec,
'cmdline' => "$psadCmd --test-mode -A -m $scans_dir/" .
&fw_type() . "/$ipv6_connect_scan_file -c $disable_ipv6_conf",
'exec_err' => $NO,
'fatal' => $NO
},
{
'category' => 'operations',
'detail' => 'ignore IPv6 connect() scan source',
'err_msg' => 'logged IPv6 traffic',
'positive_output_matches' => [qr/\[NONE\]/],
'negative_output_matches' => [qr/SRC\:.*2001\:DB8\:0\:F101\:\:2/],
'match_all' => $MATCH_ALL_RE,
'function' => \&generic_exec,
'cmdline' => "$psadCmd --test-mode -A --auto-dl $ignore_ipv6_addr_auto_dl_file " .
"-m $scans_dir/" . &fw_type() . "/$ipv6_connect_scan_file -c $default_conf",
'exec_err' => $NO,
'fatal' => $NO
},
{
'category' => 'operations',
'detail' => 'ignore IPv6 connect() scan abbrev source',
'err_msg' => 'logged IPv6 traffic',
'positive_output_matches' => [qr/\[NONE\]/],
'negative_output_matches' => [qr/SRC\:.*2001\:DB8\:0\:F101\:\:2/],
'match_all' => $MATCH_ALL_RE,
'function' => \&generic_exec,
'cmdline' => "$psadCmd --test-mode -A --auto-dl $ignore_ipv6_addr_auto_dl_file_abbrev " .
"-m $scans_dir/" . &fw_type() . "/$ipv6_connect_scan_file -c $default_conf",
'exec_err' => $NO,
'fatal' => $NO
},
{
'category' => 'errors',
'detail' => 'look for perl warnings',
'err_msg' => 'found perl warnings',
'negative_output_matches' => [qr/Use\sof\suninitialized\svalue/i],
'match_all' => $MATCH_ALL_RE,
'function' => \&look_for_warnings,
'cmdline' => "grep -i uninit $output_dir/*.test",
'exec_err' => $IGNORE,
'fatal' => $NO
},
);
my @args_cp = @ARGV;
exit 1 unless GetOptions(
'psad-path=s' => \$psadCmd,
'test-include=s' => \$test_include,
'include=s' => \$test_include, ### synonym
'test-exclude=s' => \$test_exclude,
'exclude=s' => \$test_exclude, ### synonym
'List-mode' => \$list_mode,
'diff' => \$diff_mode,
'help' => \$help
);
&usage() if $help;
### make sure everything looks as expected before continuing
&init();
&logr("\n[+] Starting the psad test suite...\n\n" .
" args: @args_cp\n\n"
);
### save the results from any previous test suite run
### so that we can potentially compare them with --diff
if ($saved_last_results) {
&logr(" Saved results from previous run " .
"to: ${output_dir}.last/\n\n");
}
### main loop through all of the tests
for my $test_hr (@tests) {
&run_test($test_hr);
}
&logr("\n[+] passed/failed/executed: $passed/$failed/$executed tests\n\n");
copy $logfile, "$output_dir/$logfile" or die $!;
exit 0;
#===================== end main =======================
sub run_test() {
my $test_hr = shift;
my $msg = "[$test_hr->{'category'}]";
$msg .= " [$test_hr->{'subcategory'}]" if $test_hr->{'subcategory'};
$msg .= " $test_hr->{'detail'}";
return unless &process_include_exclude($msg);
if ($list_mode) {
print $msg, "\n";
return;
}
&dots_print($msg);
$executed++;
$current_test_file = "$output_dir/$executed.test";
&write_test_file("[+] TEST: $msg\n");
if (&{$test_hr->{'function'}}($test_hr)) {
&logr("pass ($executed)\n");
$passed++;
} else {
&logr("fail ($executed)\n");
$failed++;
if ($test_hr->{'fatal'} eq $YES) {
die "[*] required test failed, exiting.";
}
}
return;
}
sub validate_config() {
my $test_hr = shift;
open F, "< $default_conf" or die $!;
while (<F>) {
next unless /\S/;
next if /^#/;
if (/^(\S+?)(?:Cmd)?\s+.*;/) {
push @{$test_hr->{'positive_output_matches'}}, qr/\b$1\b/;
$test_hr->{'match_all'} = $MATCH_ALL_RE;
}
}
close F;
return &generic_exec($test_hr);
}
sub look_for_warnings() {
my $test_hr = shift;
my $orig_test_file = $current_test_file;
$current_test_file = "$output_dir/grep.output";
my $rv = &generic_exec($test_hr);
copy $current_test_file, $orig_test_file;
unlink $current_test_file;
return $rv;
}
sub generic_exec() {
my $test_hr = shift;
my $rv = 1;
my $exec_rv = &run_cmd($test_hr->{'cmdline'},
$cmd_out_tmp, $current_test_file);
if ($test_hr->{'exec_err'} eq $YES) {
$rv = 0 if $exec_rv;
} elsif ($test_hr->{'exec_err'} eq $NO) {
$rv = 0 unless $exec_rv;
} else {
$rv = 1;
}
if ($test_hr->{'positive_output_matches'}) {
$rv = 0 unless &file_find_regex(
$test_hr->{'positive_output_matches'},
$test_hr->{'match_all'},
$current_test_file);
}
if ($test_hr->{'negative_output_matches'}) {
$rv = 0 if &file_find_regex(
$test_hr->{'negative_output_matches'},
$test_hr->{'match_all'},
$current_test_file);
}
return $rv;
}
sub run_cmd() {
my ($cmd, $cmd_out, $file) = @_;
if (-e $file) {
open F, ">> $file"
or die "[*] Could not open $file: $!";
print F localtime() . " CMD: $cmd\n";
close F;
} else {
open F, "> $file"
or die "[*] Could not open $file: $!";
print F localtime() . " CMD: $cmd\n";
close F;
}
my $rv = ((system "$cmd > $cmd_out 2>&1") >> 8);
open C, "< $cmd_out" or die "[*] Could not open $cmd_out: $!";
my @cmd_lines = <C>;
close C;
open F, ">> $file" or die "[*] Could not open $file: $!";
print F $_ for @cmd_lines;
close F;
if ($rv == 0) {
return 1;
}
return 0;
}
sub file_find_regex() {
my ($re_ar, $match_all_flag, $file) = @_;
my @write_lines = ();
my @file_lines = ();
open F, "< $file" or die "[*] Could not open $file: $!";
while (<F>) {
push @file_lines, $_;
}
close F;
my $found = 0;
RE: for my $re (@$re_ar) {
$found = 0;
LINE: for my $line (@file_lines) {
next LINE if $line =~ /file_file_regex\(\)/;
if ($line =~ $re) {
push @write_lines, "[.] file_find_regex() " .
"Matched '$re' with line: $line (file: $file)\n";
$found = 1;
last LINE;
}
}
if ($found) {
if ($match_all_flag == $MATCH_SINGLE_RE) {
last RE;
}
} else {
push @write_lines, "[.] file_find_regex() " .
"did not match '$re' (file: $file)\n";
if ($match_all_flag == $MATCH_ALL_RE) {
last RE;
}
}
}
for my $line (@write_lines) {
&write_test_file($line, $file);
}
return $found;
}
sub dots_print() {
my $msg = shift;
&logr($msg);
my $dots = '';
for (my $i=length($msg); $i < $PRINT_LEN; $i++) {
$dots .= '.';
}
&logr($dots);
return;
}
sub init() {
$|++; ### turn off buffering
$< == 0 and $> == 0 or
die "[*] $0: You must be root (or equivalent ",
"UID 0 account) to effectively test psad";
### validate test hashes
my $hash_num = 0;
for my $test_hr (@tests) {
for my $key (keys %test_keys) {
if ($test_keys{$key} == $REQUIRED) {
die "[*] Missing '$key' element in hash: $hash_num"
unless defined $test_hr->{$key};
} else {
$test_hr->{$key} = '' unless defined $test_hr->{$key};
}
}
$hash_num++;
}
die "[*] $conf_dir directory does not exist." unless -d $conf_dir;
die "[*] default config $default_conf does not exist" unless -e $default_conf;
if (-d $output_dir) {
if (-d "${output_dir}.last") {
rmtree "${output_dir}.last"
or die "[*] rmtree ${output_dir}.last $!";
}
mkdir "${output_dir}.last"
or die "[*] ${output_dir}.last: $!";
for my $file (glob("$output_dir/*.test")) {
if ($file =~ m|.*/(.*)|) {
copy $file, "${output_dir}.last/$1" or die $!;
}
}
if (-e "$output_dir/init") {
copy "$output_dir/init", "${output_dir}.last/init";
}
if (-e $logfile) {
copy $logfile, "${output_dir}.last/$logfile" or die $!;
}
$saved_last_results = 1;
} else {
mkdir $output_dir or die "[*] Could not mkdir $output_dir: $!";
}
unless (-d $scans_dir) {
die "[*] $scans_dir dir does not exist.";
}
unless (-d $run_dir) {
mkdir $run_dir or die "[*] Could not mkdir $run_dir: $!";
}
for my $file (glob("$output_dir/*.test")) {
unlink $file or die "[*] Could not unlink($file)";
}
if (-e "$output_dir/init") {
unlink "$output_dir/init" or die $!;
}
if (-e $logfile) {
unlink $logfile or die $!;
}
if ($test_include) {
@tests_to_include = split /\s*,\s*/, $test_include;
}
if ($test_exclude) {
@tests_to_exclude = split /\s*,\s*/, $test_exclude;
}
return;
}
sub process_include_exclude() {
my $msg = shift;
### inclusions/exclusions
if (@tests_to_include) {
my $found = 0;
for my $test (@tests_to_include) {
if ($msg =~ /$test/) {
$found = 1;
last;
}
}
return 0 unless $found;
}
if (@tests_to_exclude) {
my $found = 0;