Mercurial > hg > maltfilter
annotate maltfilter @ 83:532169789f52 maltfilter-0.19.0
Add automatic temporary suspension of DroneBL submissions if enough HTTP
connection or other errors occur (thresholds and suspension time can be set
in configuration file.)
author | Matti Hamalainen <ccr@tnsp.org> |
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date | Sun, 30 Aug 2009 01:47:40 +0300 |
parents | 4e3f87470426 |
children | 4362bf9e52e4 |
rev | line source |
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0
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1 #!/usr/bin/perl -w |
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2 ############################################################################# |
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3 # |
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4 # Malicious Attack Livid Termination Filter daemon (maltfilter) |
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5 # Programmed by Matti 'ccr' Hämäläinen <ccr@tnsp.org> |
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6 # (C) Copyright 2009 Tecnic Software productions (TNSP) |
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7 # |
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8 ############################################################################# |
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9 use strict; |
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10 use Date::Parse; |
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11 use Net::IP; |
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12 use Net::DNS; |
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13 use LWP::UserAgent; |
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14 use IO::Seekable; |
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15 |
83
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16 my $progversion = "0.19.0"; |
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17 my $progbanner = |
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18 "Malicious Attack Livid Termination Filter daemon (maltfilter) v$progversion\n". |
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19 "Programmed by Matti 'ccr' Hamalainen <ccr\@tnsp.org>\n". |
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20 "(C) Copyright 2009 Tecnic Software productions (TNSP)\n"; |
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21 |
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22 |
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23 ############################################################################# |
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24 ### Default settings and configuration |
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25 ############################################################################# |
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26 my %settings = ( |
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27 "VERBOSITY" => 3, |
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28 "DRY_RUN" => 1, |
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29 "LOGFILE" => "", |
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30 "STATS_MAX_AGE" => 336, # in hours |
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31 |
65 | 32 "PASSWD" => "/etc/passwd", |
33 "SYSACCT_MIN_UID" => 1, | |
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34 "SYSACCT_MAX_UID" => 999, |
65 | 35 |
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36 "FILTER" => 0, |
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37 "FILTER_THRESHOLD" => 3, |
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38 "FILTER_MAX_AGE" => 168, # in hours |
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39 "FILTER_TARGET" => "DROP", |
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40 "IPTABLES" => "/sbin/iptables", |
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41 |
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42 "FULL_TIME" => 1, |
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43 "STATUS_FILE_PLAIN" => "", |
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44 "STATUS_FILE_HTML" => "", |
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45 "STATUS_FILE_CSS" => "", |
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46 "WHOIS_URL" => "http://whois.domaintools.com/", |
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47 |
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48 "CHK_SSHD" => 1, |
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49 "CHK_KNOWN_CGI" => 1, |
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50 "CHK_PHP_XSS" => 1, |
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51 "CHK_PROXY_SCAN" => 1, |
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52 "CHK_ROOT_SSH_PWD" => 0, |
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53 "CHK_SYSACCT_SSH_PWD" => 0, |
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54 "CHK_GOOD_HOSTS" => "", |
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55 |
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56 "EVIDENCE" => 0, |
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57 "EVIDENCE_DIR" => "", |
65 | 58 |
59 "DRONEBL" => 0, | |
60 "DRONEBL_THRESHOLD" => 5, | |
61 "DRONEBL_MAX_AGE" => 30, # in minutes | |
62 "DRONEBL_RPC_URI" => "http://dronebl.org/RPC2", | |
63 "DRONEBL_RPC_KEY" => "", | |
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64 "DRONEBL_MAX_ERRORS" => 5, |
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65 "DRONEBL_SUSPEND" => 10, |
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66 ); |
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67 |
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68 # List loopback and private netblocks by default here |
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69 my @noaction_ips_def = ( |
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70 "127.0.0.0/8", |
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71 "10.0.0.0/8", |
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72 "172.16.0.0/12", |
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73 "192.168.0.0/16" |
7 | 74 ); |
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75 |
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76 my %systemacct = (); |
65 | 77 sub check_add_hit($$$$$$); |
78 | |
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79 |
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80 ############################################################################# |
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81 ### Check given logfile line for matches |
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82 ############################################################################# |
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83 sub check_log_line($) |
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84 { |
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85 # (1) SSHD scans |
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86 if (/^(\S+\s+\d+\s+\d\d:\d\d:\d\d)\s+\S+\s+sshd\S*?: (.*)/) { |
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87 my $mdate = $1; |
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88 my $merr = $2; |
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89 |
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90 # (1.1) Generic login scan attempts |
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91 if ($merr =~ /^Failed password for invalid user (\S+) from (\d+\.\d+\.\d+\.\d+)/) { |
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92 check_add_hit($2, $mdate, "SSH login scan", "", 13, $settings{"CHK_SSHD"}); |
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93 } |
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94 # (1.2) Root account SSH login password bruteforcing attempts. |
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95 elsif ($merr =~ /^Failed password for root from (\d+\.\d+\.\d+\.\d+)/) { |
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96 check_add_hit($1, $mdate, "Root SSH password bruteforce", "", 13, $settings{"CHK_ROOT_SSH_PWD"}); |
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97 } |
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98 # (1.3) System account SSH login password bruteforcing attempts. |
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99 elsif ($merr =~ /^Failed password for (\S+) from (\d+\.\d+\.\d+\.\d+)/) { |
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100 my $mip = $2; my $macct = $1; |
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101 if (defined($systemacct{$macct})) { |
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102 check_add_hit($mip, $mdate, "SSH system account bruteforce", $macct, 13, $settings{"CHK_SYSACCT_SSH_PWD"}); |
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103 } |
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104 } |
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105 } |
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106 |
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107 # (2) Common/known vulnerable CGI/PHP software scans (like phpMyAdmin) |
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108 elsif (/^\[(.+?)\]\s+\[error\]\s+\[client\s+(\d+\.\d+\.\d+\.\d+)\]\s+(.+)$/) { |
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109 my $mdate = $1; |
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110 my $mip = $2; |
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111 my $merr = $3; |
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112 if ($merr =~ /^File does not exist: (.+)$/) { |
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113 my $tmp = $1; |
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114 if ($tmp =~ /\/mss2|\/pma|admin|sql|\/roundcube|\/webmail|\/bin|\/mail|xampp|zen|mailto:|appserv|cube|round|_vti_bin|wiki/i) { |
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115 check_add_hit($mip, $mdate, "CGI vuln scan", $tmp, 2, $settings{"CHK_KNOWN_CGI"}); |
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116 } |
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117 } |
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118 } |
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119 |
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120 # (3) Apache common logging format checks |
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121 elsif (/(\d+\.\d+\.\d+\.\d+)\s+-\s+-\s+\[(.+?)\]\s+\"GET (\S*?) HTTP\//) { |
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122 my $mdate = $2; |
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123 my $mip = $1; |
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124 my $merr = $3; |
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125 |
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126 # (3.1) Simple match for generic PHP XSS vulnerability scans |
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127 if ($merr =~ /\.php\?\S*?=http:\/\/([^\/]+)/) { |
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128 if (!check_hosts($settings{"CHK_GOOD_HOSTS"}, $1)) { |
60
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129 if ($merr =~ /\.php\?\S*?=(http:\/\/[^\&\?]+\??)/) { |
66
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130 evidence_queue($mip, $1, $merr); |
60
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131 } |
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132 check_add_hit($mip, $mdate, "PHP XSS", $merr, 2, $settings{"CHK_PHP_XSS"}); |
40
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133 } |
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134 } |
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135 # (3.2) Try to match proxy scanning attempts |
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136 elsif ($merr =~ /^http:\/\/([^\/]+)/) { |
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137 if (!check_hosts($settings{"CHK_GOOD_HOSTS"}, $1)) { |
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138 check_add_hit($mip, $mdate, "Proxy scan", $merr, 2, $settings{"CHK_PROXY_SCAN"}); |
40
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139 } |
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140 } |
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141 } |
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142 } |
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143 |
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144 |
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145 ############################################################################# |
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146 ### Global variables |
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147 ############################################################################# |
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148 my $reportmode = 0; # Full report mode |
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149 my @scanfiles = (); # Files to scan |
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150 my @scanfiles_once = (); # Files to scan only once during startup or HUP (e.g. not continuously followed) |
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151 my @noaction_ips = (); # IPs not to filter |
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152 my %filehandles = (); # Global hash holding opened scanned log filehandles |
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153 my $pid_file = ""; # Name of Maltfilter daemon pid file |
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154 my @configfiles = (); # Array of configuration file names |
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155 my $LOGFILE; # Maltfilter logfile handle |
65 | 156 my %dronebl = (); |
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157 |
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158 # IPs currently blocked in Netfilter $filterlist{$ip} = date |
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159 my %filterlist = (); |
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160 |
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161 # Gathered information about hosts |
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162 # $statlist{$ip}-> |
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163 # "date1" = timestamp of first hit |
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164 # "date2" = timestamp of latest hit |
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165 # "hits" = number of hits to this IP |
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166 # "dronebl" = 0 == n/a, 1 == queued for submission, 2 == submitted |
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167 # $statlist{$ip}{"reason"}{$class}-> |
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168 # "msg" = reason message (array if $reportmode) |
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169 # "hits" = hits to this class |
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170 # "date1" = timestamp of first hit |
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171 # "date2" = timestamp of latest hit |
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172 my %statlist = (); |
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173 |
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174 # Gathered information about ignored hits (e.g. hits for tests that are not enabled) |
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175 # Same fields as in %statlist |
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176 my %ignorelist = (); |
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177 |
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178 |
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179 ############################################################################# |
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180 ### Status output functionality |
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181 ############################################################################# |
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182 ## Return string expressing given UNIX timestamp or "?" if not valid |
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183 sub get_time_str($) |
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184 { |
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185 return ($_[0] >= 0) ? (scalar localtime($_[0])) : "?"; |
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186 } |
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187 |
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188 ## Return string expressing how long ago given UNIX timestamp is from current time |
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189 my @paskat = (30*24*60*60, 7*24*60*60, 24*60*60, 60*60, 60); |
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190 my @opaskat = ("months", "weeks", "days", "hours", "minutes"); |
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191 my @upaskat = ("month", "week", "day", "hour", "minute"); |
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192 |
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193 sub get_ago_str($) |
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194 { |
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195 return get_time_str($_[0]) if ($settings{"FULL_TIME"}); |
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196 if ($_[0] >= 0) { |
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197 my $str = ""; |
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198 my $cur = time() - $_[0]; |
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199 my ($r, $k, $p, $n); |
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200 $n = 0; |
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201 foreach my $div (@paskat) { |
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202 $r = int($cur / $div); |
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203 $k = ($cur % $div); |
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204 if ($r > 0) { |
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205 $p = ($r > 1) ? $opaskat[$n] : $upaskat[$n]; |
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206 $str .= ", " if ($str ne ""); |
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207 $str .= sprintf("%d %s", $r, $p); |
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208 } |
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209 $cur = $k; |
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210 $n++; |
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211 } |
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212 return $str." ago"; |
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213 } else { |
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214 return "?"; |
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215 } |
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216 } |
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217 |
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218 ## Convert non-alphanumeric characters in strong to hex-coded URI style |
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219 sub urlencode($) |
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220 { |
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221 my $value = $_[0]; |
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222 $value =~ s/([^a-zA-Z_0-9 ])/"%" . uc(sprintf "%lx" , unpack("C", $1))/eg; |
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223 $value =~ tr/ /+/; |
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224 return $value; |
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225 } |
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226 |
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227 my %entities = ( |
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228 "<" => "lt", |
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229 ">" => "gt", |
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230 "&" => "amp", |
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231 ); |
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232 |
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233 ## Convert special characters to HTML/XML entities |
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234 sub htmlentities($) |
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235 { |
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236 my $value = $_[0]; |
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237 $value =~ s/$_/\&$entities{$_}\;/g foreach (keys %entities); |
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238 return $value; |
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239 } |
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240 |
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241 |
11
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242 sub printH($$$$) |
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243 { |
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244 my $fh = $_[1]; |
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245 if ($_[0]) { |
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246 print $fh "<h".$_[2].">".$_[3]."</h".$_[2].">\n"; |
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247 } else { |
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248 my $c = ($_[2] <= 1) ? "=" : "-"; |
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249 print $fh $_[3]."\n". $c x length($_[3]) ."\n"; |
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250 } |
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251 } |
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252 |
32
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253 sub printTD |
11
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254 { |
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255 my $fh = $_[1]; |
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256 if ($_[0]) { |
52
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257 my $s = defined($_[3]) ? " ".$_[3]." " : ""; |
32
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258 print $fh "<td".$s.">".$_[2]."</td>"; |
11
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259 } else { |
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260 print $fh $_[2]; |
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261 } |
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262 } |
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263 |
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264 sub printP($$$) |
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265 { |
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266 my $fh = $_[1]; |
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267 if ($_[0]) { |
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268 print $fh "<p>\n".$_[2]."</p>\n"; |
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269 } else { |
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270 print $fh $_[2]."\n"; |
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271 } |
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272 } |
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273 |
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274 sub printElem |
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275 { |
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276 my $fh = $_[1]; |
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277 if ($_[0]) { |
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278 print $fh $_[2]; |
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279 } elsif (defined($_[3])) { |
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280 print $fh $_[3]; |
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281 } |
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282 } |
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283 |
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284 sub bb($) |
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285 { |
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286 return $_[0] ? "<b>" : ""; |
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287 } |
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288 |
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289 sub eb($) |
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290 { |
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291 return $_[0] ? "</b>" : ""; |
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292 } |
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293 |
13
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294 sub pe($$) |
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295 { |
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296 return $_[0] ? "<$_[1]>" : ""; |
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297 } |
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298 |
40
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299 sub get_link($$) |
13
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300 { |
17
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301 if ($settings{"WHOIS_URL"} ne "") { |
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302 return $_[0] ? "<a href=\"".$settings{"WHOIS_URL"}.$_[1]. |
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303 "\">".htmlentities($_[1])."</a>" : $_[1]; |
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304 } else { |
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305 return $_[0]; |
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306 } |
13
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307 } |
fc053b001027
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|
308 |
40
24babaa1e331
Many cleanups and fixes; Example configuration updated.
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309 sub print_table1($$$$$$) |
16
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Many changes and cleanups. Works again.
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310 { |
40
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311 my ($m, $f, $table, $keys, $func, $class) = @_; |
16
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312 my $ntotal = 0; |
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313 |
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314 printElem($m, $f, |
40
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315 "<table class=\"".$class."\">\n". |
17
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316 "<tr><th>Hits</th><th>IP-address</th><th>First hit</th><th>Latest hit</th><th>Reason(s)</th></tr>\n", |
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317 |
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318 "Hits | IP-address | First hit | Latest hit | Reason(s)\n" |
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|
319 ); |
16
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|
320 |
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Many changes and cleanups. Works again.
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|
321 foreach my $mip (sort { $func->($table, $a, $b) } keys %{$keys}) { |
68 | 322 my $blocked = defined($filterlist{$mip}) ? "filtered" : "unfiltered"; |
32
e7e484c89dbc
Added highlighting of blocked entries in summary tables.
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|
323 printElem($m, $f, " <tr class=\"$blocked\">"); |
17
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|
324 printTD($m, $f, sprintf(bb($m)."%-10d".eb($m), $table->{$mip}{"hits"})); |
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Cleanups, add configuration for WHOIS linking.
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|
325 printElem(!$m, $f, " | "); |
40
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326 printTD($m, $f, sprintf("%-15s", get_link($m, $mip))); |
17
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|
327 printElem(!$m, $f, " | "); |
40
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|
328 printTD($m, $f, get_ago_str($table->{$mip}{"date1"})); |
17
fe220b5a975a
Cleanups, add configuration for WHOIS linking.
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|
329 printElem(!$m, $f, " | "); |
40
24babaa1e331
Many cleanups and fixes; Example configuration updated.
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|
330 printTD($m, $f, get_ago_str($table->{$mip}{"date2"})); |
17
fe220b5a975a
Cleanups, add configuration for WHOIS linking.
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16
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|
331 printElem(!$m, $f, " | "); |
16
87c0cdc048f5
Many changes and cleanups. Works again.
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15
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|
332 my @reasons = (); |
87c0cdc048f5
Many changes and cleanups. Works again.
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15
diff
changeset
|
333 foreach my $class (sort keys %{$table->{$mip}{"reason"}}) { |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
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15
diff
changeset
|
334 my $msgs; |
18
b0017a324040
Cleanups; Disable weeding in report mode again; Don't display redundant IPTABLES reasons in blocklist report.
Matti Hamalainen <ccr@tnsp.org>
parents:
17
diff
changeset
|
335 if ($class ne "IPTABLES") { |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
336 if ($reportmode) { |
18
b0017a324040
Cleanups; Disable weeding in report mode again; Don't display redundant IPTABLES reasons in blocklist report.
Matti Hamalainen <ccr@tnsp.org>
parents:
17
diff
changeset
|
337 my @tmp = reverse(@{$table->{$mip}{"reason"}{$class}{"msg"}}); |
16
87c0cdc048f5
Many changes and cleanups. Works again.
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parents:
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diff
changeset
|
338 if ($#tmp > 5) { $#tmp = 5; } |
17
fe220b5a975a
Cleanups, add configuration for WHOIS linking.
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parents:
16
diff
changeset
|
339 foreach (@tmp) { $_ = htmlentities($_); } |
16
87c0cdc048f5
Many changes and cleanups. Works again.
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parents:
15
diff
changeset
|
340 $msgs = join(" ".bb($m)."|".eb($m)." ", @tmp); |
87c0cdc048f5
Many changes and cleanups. Works again.
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parents:
15
diff
changeset
|
341 } else { |
87c0cdc048f5
Many changes and cleanups. Works again.
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parents:
15
diff
changeset
|
342 $msgs = $table->{$mip}{"reason"}{$class}{"msg"}; |
87c0cdc048f5
Many changes and cleanups. Works again.
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|
343 } |
17
fe220b5a975a
Cleanups, add configuration for WHOIS linking.
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16
diff
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|
344 push(@reasons, bb($m).$class.eb($m)." #".$table->{$mip}{"reason"}{$class}{"hits"}. |
fe220b5a975a
Cleanups, add configuration for WHOIS linking.
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16
diff
changeset
|
345 " ( ".$msgs." )"); |
18
b0017a324040
Cleanups; Disable weeding in report mode again; Don't display redundant IPTABLES reasons in blocklist report.
Matti Hamalainen <ccr@tnsp.org>
parents:
17
diff
changeset
|
346 } |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
347 } |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
348 printTD($m, $f, join(", ", @reasons)); |
17
fe220b5a975a
Cleanups, add configuration for WHOIS linking.
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16
diff
changeset
|
349 printElem($m, $f, "</tr>\n", "\n"); |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
350 $ntotal++; |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
351 } |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
352 printElem($m, $f, "</table>\n"); |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
353 printP($m, $f, bb($m).$ntotal.eb($m)." entries total.\n"); |
87c0cdc048f5
Many changes and cleanups. Works again.
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parents:
15
diff
changeset
|
354 } |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
355 |
52
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
Matti Hamalainen <ccr@tnsp.org>
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49
diff
changeset
|
356 sub cmp_ips($$$) |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
Matti Hamalainen <ccr@tnsp.org>
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49
diff
changeset
|
357 { |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
Matti Hamalainen <ccr@tnsp.org>
parents:
49
diff
changeset
|
358 my @ipa = split(/\./, $_[1]); |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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49
diff
changeset
|
359 my @ipb = split(/\./, $_[2]); |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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parents:
49
diff
changeset
|
360 for (my $i = 0; $i < 4; $i++) { |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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parents:
49
diff
changeset
|
361 return -1 if ($ipa[$i] > $ipb[$i]); |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
Matti Hamalainen <ccr@tnsp.org>
parents:
49
diff
changeset
|
362 return 1 if ($ipa[$i] < $ipb[$i]); |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
Matti Hamalainen <ccr@tnsp.org>
parents:
49
diff
changeset
|
363 } |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
Matti Hamalainen <ccr@tnsp.org>
parents:
49
diff
changeset
|
364 return 0; |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
Matti Hamalainen <ccr@tnsp.org>
parents:
49
diff
changeset
|
365 } |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
Matti Hamalainen <ccr@tnsp.org>
parents:
49
diff
changeset
|
366 |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
Matti Hamalainen <ccr@tnsp.org>
parents:
49
diff
changeset
|
367 sub test_ips($$) |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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parents:
49
diff
changeset
|
368 { |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
Matti Hamalainen <ccr@tnsp.org>
parents:
49
diff
changeset
|
369 my @ipa = split(/\./, $_[0]); |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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parents:
49
diff
changeset
|
370 my @ipb = split(/\./, $_[1]); |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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parents:
49
diff
changeset
|
371 for (my $i = 0; $i < 3; $i++) { |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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parents:
49
diff
changeset
|
372 return $i if ($ipa[$i] != $ipb[$i]); |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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373 } |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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374 return 4; |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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|
375 } |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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|
376 |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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|
377 my @ipcolors = ( |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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|
378 "#666", |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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49
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|
379 "#777", |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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|
380 ); |
17
fe220b5a975a
Cleanups, add configuration for WHOIS linking.
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16
diff
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|
381 |
40
24babaa1e331
Many cleanups and fixes; Example configuration updated.
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|
382 sub print_table2($$$$$$) |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
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15
diff
changeset
|
383 { |
40
24babaa1e331
Many cleanups and fixes; Example configuration updated.
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parents:
39
diff
changeset
|
384 my ($m, $f, $table, $keys, $func, $class) = @_; |
16
87c0cdc048f5
Many changes and cleanups. Works again.
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parents:
15
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changeset
|
385 my $nhits = 0; |
70
adb4795f451e
Finished DroneBL support (hopefully).
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|
386 my $str = "<th>IP-address</th><th>Hits</th><th>DroneBL?</th><th>First hit</th><th>Latest hit</th><th>Class</th>"; |
adb4795f451e
Finished DroneBL support (hopefully).
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|
387 my $str2 = "IP-address | Hits | DroneBL | First hit | Latest hit | Class "; |
16
87c0cdc048f5
Many changes and cleanups. Works again.
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|
388 |
17
fe220b5a975a
Cleanups, add configuration for WHOIS linking.
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|
389 printElem($m, $f, |
40
24babaa1e331
Many cleanups and fixes; Example configuration updated.
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390 "<table class=\"".$class."\">\n<tr>". $str."<th> </th>".$str ."</tr>\n", |
17
fe220b5a975a
Cleanups, add configuration for WHOIS linking.
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|
391 $str2." || ".$str2."\n"); |
52
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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|
392 |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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changeset
|
393 my @previp = ("0.0.0.0", "0.0.0.0"); |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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394 my @ncolor = (0, 0); |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
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15
diff
changeset
|
395 |
87c0cdc048f5
Many changes and cleanups. Works again.
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diff
changeset
|
396 my $printEntry = sub { |
68 | 397 my $blocked = "class=\"".(defined($filterlist{$_[0]}) ? "filtered" : "unfiltered")."\""; |
52
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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398 if (test_ips($previp[$_[1]], $_[0]) < 3) { |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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|
399 $ncolor[$_[1]]++; |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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|
400 } |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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parents:
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changeset
|
401 $previp[$_[1]] = $_[0]; |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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|
402 my $str = "style=\"background: ".$ipcolors[$ncolor[$_[1]] % scalar @ipcolors].";\""; |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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diff
changeset
|
403 |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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changeset
|
404 printTD($m, $f, sprintf("%-15s", get_link($m, $_[0])), $str); |
17
fe220b5a975a
Cleanups, add configuration for WHOIS linking.
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parents:
16
diff
changeset
|
405 printElem(!$m, $f, " | "); |
32
e7e484c89dbc
Added highlighting of blocked entries in summary tables.
Matti Hamalainen <ccr@tnsp.org>
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30
diff
changeset
|
406 printTD($m, $f, sprintf("%-8d ", $table->{$_[0]}{"hits"}), $blocked); |
17
fe220b5a975a
Cleanups, add configuration for WHOIS linking.
Matti Hamalainen <ccr@tnsp.org>
parents:
16
diff
changeset
|
407 printElem(!$m, $f, " | "); |
70
adb4795f451e
Finished DroneBL support (hopefully).
Matti Hamalainen <ccr@tnsp.org>
parents:
69
diff
changeset
|
408 printTD($m, $f, sprintf("%-6s ", $table->{$_[0]}{"dronebl"}), $blocked); |
adb4795f451e
Finished DroneBL support (hopefully).
Matti Hamalainen <ccr@tnsp.org>
parents:
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changeset
|
409 printElem(!$m, $f, " | "); |
40
24babaa1e331
Many cleanups and fixes; Example configuration updated.
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diff
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|
410 printTD($m, $f, get_ago_str($table->{$_[0]}{"date1"}), $blocked); |
17
fe220b5a975a
Cleanups, add configuration for WHOIS linking.
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parents:
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diff
changeset
|
411 printElem(!$m, $f, " | "); |
40
24babaa1e331
Many cleanups and fixes; Example configuration updated.
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diff
changeset
|
412 printTD($m, $f, get_ago_str($table->{$_[0]}{"date2"}), $blocked); |
24babaa1e331
Many cleanups and fixes; Example configuration updated.
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parents:
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diff
changeset
|
413 printElem(!$m, $f, " | "); |
24babaa1e331
Many cleanups and fixes; Example configuration updated.
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parents:
39
diff
changeset
|
414 my $tmp = join(", ", sort keys %{$table->{$_[0]}{"reason"}}); |
32
e7e484c89dbc
Added highlighting of blocked entries in summary tables.
Matti Hamalainen <ccr@tnsp.org>
parents:
30
diff
changeset
|
415 printTD($m, $f, sprintf("%-30s", $tmp), $blocked); |
16
87c0cdc048f5
Many changes and cleanups. Works again.
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diff
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|
416 $nhits += $table->{$_[0]}{"hits"}; |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
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15
diff
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|
417 }; |
87c0cdc048f5
Many changes and cleanups. Works again.
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parents:
15
diff
changeset
|
418 |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
419 my @mkeys = sort { $func->($table, $a, $b) } keys %{$keys}; |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
420 my $nkeys = scalar @mkeys; |
87c0cdc048f5
Many changes and cleanups. Works again.
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parents:
15
diff
changeset
|
421 my $kmax = $nkeys / 2; |
52
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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49
diff
changeset
|
422 |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
423 for (my $i = 0; $i <= $kmax; $i++) { |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
424 printElem($m, $f, " <tr>"); |
18
b0017a324040
Cleanups; Disable weeding in report mode again; Don't display redundant IPTABLES reasons in blocklist report.
Matti Hamalainen <ccr@tnsp.org>
parents:
17
diff
changeset
|
425 if ($i < $kmax) { |
52
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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49
diff
changeset
|
426 $printEntry->($mkeys[$i], 0); |
18
b0017a324040
Cleanups; Disable weeding in report mode again; Don't display redundant IPTABLES reasons in blocklist report.
Matti Hamalainen <ccr@tnsp.org>
parents:
17
diff
changeset
|
427 printElem($m, $f, "<th> </th>", " || "); |
b0017a324040
Cleanups; Disable weeding in report mode again; Don't display redundant IPTABLES reasons in blocklist report.
Matti Hamalainen <ccr@tnsp.org>
parents:
17
diff
changeset
|
428 } |
52
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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parents:
49
diff
changeset
|
429 if ($i + $kmax + 1 < $nkeys) { $printEntry->($mkeys[$i + $kmax + 1], 1); } |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
430 printElem($m, $f, "</tr>\n", "\n"); |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
431 } |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
432 |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
433 printElem($m, $f, "</table>\n"); |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
434 printP($m, $f, bb($m).$nkeys.eb($m)." entries total, ".bb($m).$nhits.eb($m)." hits total.\n"); |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
435 } |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
436 |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
437 sub cmp_hits($$$) |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
438 { |
60
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
439 my $s1 = $_[0]->{$_[1]}; |
38885f5f34f6
Added evidence gathering functionality.
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59
diff
changeset
|
440 my $s2 = $_[0]->{$_[2]}; |
38885f5f34f6
Added evidence gathering functionality.
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59
diff
changeset
|
441 |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
442 return -1 if ($s2->{"date2"} < $s1->{"date2"}); |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
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59
diff
changeset
|
443 return 1 if ($s2->{"date2"} > $s1->{"date2"}); |
38885f5f34f6
Added evidence gathering functionality.
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59
diff
changeset
|
444 return $s2->{"hits"} <=> $s1->{"hits"}; |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
445 } |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
446 |
26
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
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25
diff
changeset
|
447 sub get_period($) |
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
parents:
25
diff
changeset
|
448 { |
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
parents:
25
diff
changeset
|
449 my ($str, $r, $k); |
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
parents:
25
diff
changeset
|
450 if ($_[0] > 30 * 24) { |
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
parents:
25
diff
changeset
|
451 $r = $_[0] / (30 * 24); |
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
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parents:
25
diff
changeset
|
452 $k = $_[0] % (30 * 24); |
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
parents:
25
diff
changeset
|
453 $str = sprintf("%d months", $r); |
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
parents:
25
diff
changeset
|
454 $str .= sprintf(", %d days", $k) if ($k > 0); |
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
parents:
25
diff
changeset
|
455 } elsif ($_[0] > 24 * 7) { |
29
6d3e33e9ee9b
Oops, fix printing of weeks.
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
456 $str = sprintf("%1.1f weeks", $_[0] / (24.0 * 7.0)); |
26
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
parents:
25
diff
changeset
|
457 } elsif ($_[0] > 24) { |
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
parents:
25
diff
changeset
|
458 $r = $_[0] / 24; |
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
parents:
25
diff
changeset
|
459 $k = $_[0] % 24; |
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
parents:
25
diff
changeset
|
460 $str = sprintf("%d days", $r); |
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
parents:
25
diff
changeset
|
461 $str .= sprintf(", %d hours", $k) if ($k > 0); |
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
parents:
25
diff
changeset
|
462 } else { |
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
parents:
25
diff
changeset
|
463 $str = sprintf("%d hours", $_[0]); |
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
parents:
25
diff
changeset
|
464 } |
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
parents:
25
diff
changeset
|
465 return $str; |
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
parents:
25
diff
changeset
|
466 } |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
467 |
11
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
468 sub generate_status($$) |
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
469 { |
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
470 my $filename = shift; |
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
471 my $m = shift; |
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
472 |
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
473 return unless ($filename ne ""); |
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
474 |
39
d96229159abc
v0.11.0: More fixes; Configuration files are now re-read when HUP signal is
Matti Hamalainen <ccr@tnsp.org>
parents:
37
diff
changeset
|
475 open(STATUS, ">", $filename) or mdie("Could not open '".$filename."'!\n"); |
11
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
476 my $f = \*STATUS; |
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
477 |
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
478 printElem($m, $f, " |
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
479 <html> |
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
480 <head> |
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
481 <title>Maltfilter status report</title> |
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
482 "); |
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
483 |
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
484 printElem($m, $f, "<link href=\"".$settings{"STATUS_FILE_CSS"}."\" rel=\"stylesheet\" type=\"text/css\" />") |
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
485 if ($settings{"STATUS_FILE_CSS"}); |
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
486 |
26c2cc5077aa
Added reporting functionality.
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|
487 printElem($m, $f, " |
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488 </head> |
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|
489 <body> |
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|
490 "); |
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|
491 |
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492 printH($m, $f, 1, "Maltfilter v$progversion status report"); |
66
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|
493 my $period = get_period($settings{"STATS_MAX_AGE"}); |
11
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|
494 |
13
fc053b001027
Improved reporting and documentation.
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|
495 printP($m, $f, |
40
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Many cleanups and fixes; Example configuration updated.
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|
496 "Generated ".bb($m).get_time_str(time()).eb($m).". Data computed from ". |
15
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Cleanups in progress, does not work.
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497 ($reportmode ? "complete logfile scan" : "a period of last $period").".\n"); |
26
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25
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|
498 |
18
b0017a324040
Cleanups; Disable weeding in report mode again; Don't display redundant IPTABLES reasons in blocklist report.
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|
499 printP($m, $f, "The hit classes marked as 'IPTABLES' are a pseudo-class meaning an\n". |
68 | 500 "filtered IP that was in Netfilter before Maltfilter was started.\n"); |
13
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|
501 |
68 | 502 if ($settings{"FILTER"} > 0) { |
503 printH($m, $f, 2, "Currently filtered entries"); | |
504 $period = get_period($settings{"FILTER_MAX_AGE"}); | |
505 printP($m, $f, "List of IPs that are currently filtered (or would be, if this is\n". | |
506 "a report-only mode). Data from period of $period.\n"); | |
507 print_table1($m, $f, \%statlist, \%filterlist, \&cmp_hits, "filtered"); | |
508 } | |
11
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|
509 |
68 | 510 printH($m, $f, 2, "Summary of entries"); |
18
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|
511 printP($m, $f, "List of 'hits' of suspicious activity noticed by Maltfilter, but not\n". |
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|
512 "necessarily acted upon. Sorted by descending IP address.\n"); |
40
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513 print_table2($m, $f, \%statlist, \%statlist, \&cmp_ips, "global"); |
11
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|
514 |
16
87c0cdc048f5
Many changes and cleanups. Works again.
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|
515 printH($m, $f, 2, "Ignored entries"); |
52
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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516 printP($m, $f, "List of hits that were ignored (not acted upon), because the test was disabled.\n". |
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517 "Notice that the entry may be blocked due to other checks, however.\n"); |
40
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|
518 print_table1($m, $f, \%ignorelist, \%ignorelist, \&cmp_hits, "ignored"); |
11
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|
519 |
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520 printElem($m, $f, "</body>\n</html>\n"); |
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521 close(STATUS); |
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522 } |
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|
523 |
15
b05d0f0ff106
Cleanups in progress, does not work.
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|
524 |
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|
525 ############################################################################# |
65 | 526 ### DroneBL submission support |
527 ############################################################################# | |
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|
528 my $dronebl_errors = 0; |
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|
529 my $dronebl_suspend = 0; |
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530 |
65 | 531 sub dronebl_process |
532 { | |
83
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533 return if ($dronebl_suspend-- > 0); |
65 | 534 return unless ($settings{"DRONEBL"} > 0); |
535 | |
536 # Create submission data | |
537 my $xml = "<?xml version=\"1.0\"?>\n<request key=\"".$settings{"DRONEBL_RPC_KEY"}."\">\n"; | |
538 my $entries = 0; | |
539 while (my ($ip, $entry) = each(%dronebl)) { | |
66
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Lots of cleanups, etc. Documentation updates.
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540 if ($entry->{"sent"} == 0 && $entry->{"tries"} < 3) { |
83
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541 $xml .= "<add ip=\"".$ip."\" type=\"".$entry->{"type"}."\" />\n"; |
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542 # $xml .= "<add ip=\"".$ip."\" type=\"1\" />\n"; |
65 | 543 $entries++; |
544 } | |
545 } | |
546 $xml .= "</request>\n"; | |
547 | |
66
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Lots of cleanups, etc. Documentation updates.
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548 # Bait out if no entries to submit |
65 | 549 return unless ($entries > 0); |
67
8df5d52436a1
More work towards DroneBL support.
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|
550 if ($settings{"DRY_RUN"}) { |
70
adb4795f451e
Finished DroneBL support (hopefully).
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551 mlog(2, "[DroneBL] Would submit $entries entries.\n"); |
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Finished DroneBL support (hopefully).
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552 return; |
67
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More work towards DroneBL support.
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|
553 } else { |
70
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Finished DroneBL support (hopefully).
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|
554 mlog(2, "[DroneBL] Trying to submit $entries entries.\n"); |
67
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More work towards DroneBL support.
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|
555 } |
66
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
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|
556 |
65 | 557 # Submit via HTTP XML-RPC |
558 my $tmp = LWP::UserAgent->new; | |
559 $tmp->agent("Maltfilter/".$progversion); | |
560 $tmp->timeout(10); | |
561 my $req = HTTP::Request->new(POST => $settings{"DRONEBL_RPC_URI"}); | |
562 $req->content_type("text/xml"); | |
563 $req->content($xml); | |
564 $req->user_agent("Maltfilter/".$progversion); | |
565 my $res = $tmp->request($req); | |
566 | |
567 if ($res->is_success) { | |
70
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|
568 mlog(3, "[DroneBL] HTTP response [".$res->code."] ".$res->message."\n"); |
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Finished DroneBL support (hopefully).
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|
569 my $str = $res->content; |
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Finished DroneBL support (hopefully).
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|
570 my ($type, $msg); |
adb4795f451e
Finished DroneBL support (hopefully).
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|
571 $str =~ tr/\n/ /; |
69
b090ddfccdab
Cleanups. Improve IP/host definitions.
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changeset
|
572 |
70
adb4795f451e
Finished DroneBL support (hopefully).
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|
573 if ($str =~ /<response\s*type=.(success|error).>(.*?)<\/response>/gm) { |
adb4795f451e
Finished DroneBL support (hopefully).
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|
574 $type = $1; $msg = $2; |
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Finished DroneBL support (hopefully).
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|
575 } elsif ($str =~ /<response\s*type=.(success|error). *\/>/gm) { |
adb4795f451e
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|
576 $type = $1; $msg = ""; |
adb4795f451e
Finished DroneBL support (hopefully).
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|
577 } |
adb4795f451e
Finished DroneBL support (hopefully).
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changeset
|
578 |
adb4795f451e
Finished DroneBL support (hopefully).
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|
579 if ($type eq "success") { |
adb4795f451e
Finished DroneBL support (hopefully).
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|
580 mlog(1, "[DroneBL] Succesfully submitted $entries entries.\n$msg\n"); |
83
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|
581 $dronebl_errors = 0; |
70
adb4795f451e
Finished DroneBL support (hopefully).
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|
582 while (my ($ip, $entry) = each(%dronebl)) { |
adb4795f451e
Finished DroneBL support (hopefully).
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|
583 $entry->{"sent"} = 1; |
adb4795f451e
Finished DroneBL support (hopefully).
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|
584 $statlist{$ip}{"dronebl"} = 2 if defined($statlist{$ip}); |
adb4795f451e
Finished DroneBL support (hopefully).
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|
585 } |
adb4795f451e
Finished DroneBL support (hopefully).
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|
586 } elsif ($type eq "error") { |
adb4795f451e
Finished DroneBL support (hopefully).
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|
587 # If we don't have a valid key, disable further submissions. |
adb4795f451e
Finished DroneBL support (hopefully).
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69
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|
588 if ($msg =~ /<code>403<\/code>/) { |
adb4795f451e
Finished DroneBL support (hopefully).
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parents:
69
diff
changeset
|
589 mlog(-1, "Disabling DroneBL submission due to invalid key.\n"); |
adb4795f451e
Finished DroneBL support (hopefully).
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parents:
69
diff
changeset
|
590 $settings{"DRONEBL"} = 0; |
83
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|
591 } else { |
532169789f52
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diff
changeset
|
592 $dronebl_errors++; |
70
adb4795f451e
Finished DroneBL support (hopefully).
Matti Hamalainen <ccr@tnsp.org>
parents:
69
diff
changeset
|
593 } |
adb4795f451e
Finished DroneBL support (hopefully).
Matti Hamalainen <ccr@tnsp.org>
parents:
69
diff
changeset
|
594 # Log error message mangled |
adb4795f451e
Finished DroneBL support (hopefully).
Matti Hamalainen <ccr@tnsp.org>
parents:
69
diff
changeset
|
595 $msg =~ s{\s*</?[^>]+>}{ }g; |
adb4795f451e
Finished DroneBL support (hopefully).
Matti Hamalainen <ccr@tnsp.org>
parents:
69
diff
changeset
|
596 mlog(-1, "[DroneBL] Error in submission: $msg\n"); |
adb4795f451e
Finished DroneBL support (hopefully).
Matti Hamalainen <ccr@tnsp.org>
parents:
69
diff
changeset
|
597 } else { |
adb4795f451e
Finished DroneBL support (hopefully).
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parents:
69
diff
changeset
|
598 mlog(-1, "[DroneBL] Unsupported response message ".$str."\n"); |
83
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diff
changeset
|
599 $dronebl_errors++; |
70
adb4795f451e
Finished DroneBL support (hopefully).
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diff
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|
600 } |
65 | 601 } else { |
70
adb4795f451e
Finished DroneBL support (hopefully).
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parents:
69
diff
changeset
|
602 mlog(-1, "[DroneBL] HTTP request failed: [".$res->code."] ".$res->message."\n"); |
83
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|
603 $dronebl_errors++; |
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diff
changeset
|
604 } |
532169789f52
Add automatic temporary suspension of DroneBL submissions if enough HTTP
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diff
changeset
|
605 |
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|
606 if ($dronebl_errors >= $settings{"DRONEBL_MAX_ERRORS"}) { |
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|
607 mlog(-1, "Temporarily disabling DroneBL submissions due to too many errors for next ".$settings{"DRONEBL_SUSPEND"}. " rounds.\n"); |
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|
608 $dronebl_suspend = $settings{"DRONEBL_SUSPEND"}; |
65 | 609 } |
610 | |
70
adb4795f451e
Finished DroneBL support (hopefully).
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diff
changeset
|
611 # Clean up expired entries, warn/note about unsubmitted ones. |
65 | 612 while (my ($ip, $entry) = each(%dronebl)) { |
66
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
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65
diff
changeset
|
613 if (!check_time3($entry->{"date"})) { |
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
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parents:
65
diff
changeset
|
614 mlog(1, "[DroneBL] $ip submission expired.\n") unless ($entry->{"sent"} > 0); |
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
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diff
changeset
|
615 delete($dronebl{$ip}); |
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
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parents:
65
diff
changeset
|
616 } |
65 | 617 } |
618 } | |
619 | |
66
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
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parents:
65
diff
changeset
|
620 sub dronebl_queue($$$) |
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
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65
diff
changeset
|
621 { |
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
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65
diff
changeset
|
622 my ($mip, $mdate, $mtype) = @_; |
69
b090ddfccdab
Cleanups. Improve IP/host definitions.
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|
623 |
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Cleanups. Improve IP/host definitions.
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|
624 return unless ($settings{"DRONEBL"} > 0); |
b090ddfccdab
Cleanups. Improve IP/host definitions.
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changeset
|
625 return if check_hosts_array(\@noaction_ips, $mip); |
b090ddfccdab
Cleanups. Improve IP/host definitions.
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68
diff
changeset
|
626 |
66
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
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parents:
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diff
changeset
|
627 if (!defined($dronebl{$mip})) { |
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
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65
diff
changeset
|
628 mlog(3, "[DroneBL] Queueing $mip \@ $mdate ($mtype)\n"); |
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
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65
diff
changeset
|
629 $dronebl{$mip}{"type"} = $mtype; |
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
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65
diff
changeset
|
630 $dronebl{$mip}{"date"} = $mdate; |
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
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65
diff
changeset
|
631 $dronebl{$mip}{"sent"} = 0; |
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
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parents:
65
diff
changeset
|
632 $dronebl{$mip}{"tries"} = 0; |
70
adb4795f451e
Finished DroneBL support (hopefully).
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69
diff
changeset
|
633 $statlist{$mip}{"dronebl"} = 1 if defined($statlist{$mip}); |
66
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
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parents:
65
diff
changeset
|
634 } |
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
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parents:
65
diff
changeset
|
635 } |
65 | 636 |
637 ############################################################################# | |
60
38885f5f34f6
Added evidence gathering functionality.
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|
638 ### Evidence gathering |
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|
639 ############################################################################# |
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|
640 my %evidence = (); |
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|
641 |
66
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Lots of cleanups, etc. Documentation updates.
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|
642 sub evidence_queue($$$) |
60
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diff
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643 { |
65 | 644 my ($mip, $mdata, $mfull) = @_; |
60
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|
645 |
66
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Lots of cleanups, etc. Documentation updates.
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|
646 return unless ($settings{"EVIDENCE"} > 0); |
60
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|
647 |
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Added evidence gathering functionality.
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diff
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|
648 my $tmp = $mdata; |
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Added evidence gathering functionality.
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diff
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|
649 $tmp =~ s/http:\/\///; |
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|
650 $tmp =~ s/^\.+/_/; |
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Added evidence gathering functionality.
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651 $tmp =~ s/[^A-Za-z0-9:\.]/_/g; |
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|
652 |
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diff
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|
653 $evidence{$mdata}{"coll"} = $tmp; |
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Added evidence gathering functionality.
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|
654 $evidence{$mdata}{"hosts"}{$mip} = 1; |
65 | 655 $evidence{$mdata}{"full"}{$mfull} = 1; |
60
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|
656 } |
38885f5f34f6
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diff
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|
657 |
66
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
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|
658 sub evidence_fetch($$) |
60
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|
659 { |
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Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
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|
660 my $tmp = LWP::UserAgent->new; |
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Added evidence gathering functionality.
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|
661 $tmp->agent("-"); |
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Added evidence gathering functionality.
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|
662 $tmp->timeout(10); |
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|
663 $tmp->default_headers->referer($_[1]); |
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664 my $req = HTTP::Request->new(GET => $_[0]); |
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|
665 return $tmp->request($req); |
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|
666 } |
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diff
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|
667 |
70
adb4795f451e
Finished DroneBL support (hopefully).
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|
668 my $evidence_dir = 0; |
66
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Lots of cleanups, etc. Documentation updates.
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diff
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|
669 sub evidence_gather |
60
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|
670 { |
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671 my $dns = Net::DNS::Resolver->new; |
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672 my $base = $settings{"EVIDENCE_DIR"}; |
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Added evidence gathering functionality.
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diff
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|
673 |
66
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
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diff
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|
674 return unless ($settings{"EVIDENCE"} > 0); |
60
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diff
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|
675 |
70
adb4795f451e
Finished DroneBL support (hopefully).
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|
676 if (! -e $base) { |
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Finished DroneBL support (hopefully).
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diff
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|
677 mlog(-1, "Evidence directory '$base' has disappeared.\n") unless ($evidence_dir > 0); |
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678 mdie("Evidence directory '$base' has been absent for $evidence_dir cycles, dying.\n") if ($evidence_dir++ > 10); |
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Finished DroneBL support (hopefully).
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diff
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|
679 return; |
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Finished DroneBL support (hopefully).
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diff
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|
680 } else { |
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Finished DroneBL support (hopefully).
Matti Hamalainen <ccr@tnsp.org>
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diff
changeset
|
681 $evidence_dir = 0; |
adb4795f451e
Finished DroneBL support (hopefully).
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parents:
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diff
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|
682 } |
60
38885f5f34f6
Added evidence gathering functionality.
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parents:
59
diff
changeset
|
683 |
70
adb4795f451e
Finished DroneBL support (hopefully).
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parents:
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diff
changeset
|
684 my $fetched = 0; |
60
38885f5f34f6
Added evidence gathering functionality.
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parents:
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diff
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|
685 foreach my $url (keys %evidence) { |
65 | 686 my $filename = $base."/".$evidence{$url}{"coll"}.".data"; |
687 my $filename2 = $base."/".$evidence{$url}{"coll"}.".hosts"; | |
688 my $filename3 = $base."/".$evidence{$url}{"coll"}.".info"; | |
60
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
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diff
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|
689 |
65 | 690 # Get data contents only once |
691 if (! -e $filename) { | |
70
adb4795f451e
Finished DroneBL support (hopefully).
Matti Hamalainen <ccr@tnsp.org>
parents:
69
diff
changeset
|
692 $fetched++; |
65 | 693 mlog(1, "Fetching evidence for $url\n"); |
66
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
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|
694 my $res = evidence_fetch($url, ""); |
65 | 695 open(FILE, ">:raw", $filename) or mdie("Could not open '$filename' for writing.\n"); |
696 binmode(FILE, ":raw"); | |
697 if ($res->is_success && $res->code >= 200 && $res->code <= 201) { | |
698 print FILE $res->content; | |
60
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
699 } |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
700 close(FILE); |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
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59
diff
changeset
|
701 |
65 | 702 open(FILE, ">:raw", $filename3) or mdie("Could not open '$filename3' for writing.\n"); |
703 binmode(FILE, ":raw"); | |
704 print FILE "XSS URI : $url\n"; | |
705 print FILE "Time of retrieval : ".get_time_str(time())."\n"; | |
706 print FILE "HTTP return code : [".$res->code."] ".$res->message."\n"; | |
707 print FILE "Content-Type : ".($res->content_type ? $res->content_type : "?")."\n"; | |
708 print FILE "Last modified : ".($res->last_modified ? $res->last_modified : "?")."\n"; | |
709 print FILE "------ HTTP Headers ------\n".$res->headers_as_string."\n"; | |
710 print FILE "------ Requests ------\n"; | |
711 print FILE $_."\n" foreach (keys %{$evidence{$url}{"full"}}); | |
712 close(FILE); | |
713 } | |
60
38885f5f34f6
Added evidence gathering functionality.
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|
714 |
65 | 715 # Check if we are appending hosts to existing data |
716 if (-e $filename2) { | |
717 open(FILE, "<", $filename2) or mdie("Could not open '$filename2' for reading.\n"); | |
718 while (<FILE>) { | |
719 if (/^(\d+\.\d+\.\d+\.\d+) *\|/) { | |
720 if (defined($evidence{$url}{"hosts"}{$1})) { | |
721 delete($evidence{$url}{"hosts"}{$1}); | |
722 } | |
723 } | |
724 } | |
725 close(FILE); | |
726 open(FILE, ">>", $filename2) or mdie("Could not open '$filename2' for appending.\n"); | |
727 } else { | |
728 open(FILE, ">", $filename2) or mdie("Could not open '$filename2' for writing.\n"); | |
60
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Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
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diff
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|
729 } |
65 | 730 foreach my $host (sort keys %{$evidence{$url}{"hosts"}}) { |
731 my $query = $dns->search($host); | |
732 my @names = (); | |
733 undef(@names); | |
734 if ($query) { | |
735 foreach my $rr ($query->answer) { | |
736 push(@names, $rr->{"ptrdname"}) if defined($rr->{"ptrdname"}); | |
737 } | |
738 } | |
739 printf FILE "%-15s | %s\n", $host, join(" | ", @names); | |
740 } | |
741 close(FILE); | |
742 | |
743 # This entry has been handled, delete it | |
744 delete($evidence{$url}); | |
745 | |
70
adb4795f451e
Finished DroneBL support (hopefully).
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69
diff
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|
746 # If not in report mode, handle only 5 fetched entries at time |
adb4795f451e
Finished DroneBL support (hopefully).
Matti Hamalainen <ccr@tnsp.org>
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69
diff
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|
747 return unless ($reportmode || $fetched < 5); |
60
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
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diff
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|
748 } |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
749 } |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
750 |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
751 |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
752 ############################################################################# |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
753 ### Entry management / handling functions |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
754 ############################################################################# |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
755 ### Check if given IP or host exists in array |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
756 sub check_hosts_array($$) |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
757 { |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
758 my $chk_host = $_[1]; |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
759 my $chk_ip = new Net::IP($chk_host); |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
760 foreach my $host (@{$_[0]}) { |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
761 my $ip = new Net::IP($host); |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
762 if (defined($chk_ip) && defined($ip)) { |
69
b090ddfccdab
Cleanups. Improve IP/host definitions.
Matti Hamalainen <ccr@tnsp.org>
parents:
68
diff
changeset
|
763 my $res = $chk_ip->overlaps($ip); |
b090ddfccdab
Cleanups. Improve IP/host definitions.
Matti Hamalainen <ccr@tnsp.org>
parents:
68
diff
changeset
|
764 if (defined($res)) { |
b090ddfccdab
Cleanups. Improve IP/host definitions.
Matti Hamalainen <ccr@tnsp.org>
parents:
68
diff
changeset
|
765 return 1 if ($res == $IP_IDENTICAL); |
b090ddfccdab
Cleanups. Improve IP/host definitions.
Matti Hamalainen <ccr@tnsp.org>
parents:
68
diff
changeset
|
766 return 2 if ($res == $IP_B_IN_A_OVERLAP); |
b090ddfccdab
Cleanups. Improve IP/host definitions.
Matti Hamalainen <ccr@tnsp.org>
parents:
68
diff
changeset
|
767 return 3 if ($res == $IP_A_IN_B_OVERLAP); |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
768 } |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
769 } |
69
b090ddfccdab
Cleanups. Improve IP/host definitions.
Matti Hamalainen <ccr@tnsp.org>
parents:
68
diff
changeset
|
770 return 4 if ($chk_host eq $host); |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
771 } |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
772 return 0; |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
773 } |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
774 |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
775 ### Check IP/host against | separated list of IPs/hosts |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
776 sub check_hosts($$) |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
777 { |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
778 my @tmp = split(/\s*\|\s*/, $_[0]); |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
779 return check_hosts_array(\@tmp, $_[1]); |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
780 } |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
781 |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
782 ### Execute iptables |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
783 sub exec_iptables(@) |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
784 { |
66
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
785 $ENV{"PATH"} = ""; |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
786 my @args = ($settings{"IPTABLES"}, @_); |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
787 if ($settings{"DRY_RUN"}) { |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
788 mlog(3, ":: ".join(" ", @args)."\n"); |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
789 } else { |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
790 system(@args) == 0 or print join(" ", @args)." failed: $?\n"; |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
791 } |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
792 } |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
793 |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
794 ### Get current Netfilter INPUT table entries that match |
66
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
795 ### entry types we manage, e.g. filterlist |
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
796 sub update_filterlist($) |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
797 { |
79
9095db0fad8f
v0.18.0: Bunch of bugfixes; logfile trailing/scanning speed improved; memory
Matti Hamalainen <ccr@tnsp.org>
parents:
76
diff
changeset
|
798 my $first = $_[0]; |
66
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
799 return unless ($settings{"FILTER"} > 0); |
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
800 |
17
fe220b5a975a
Cleanups, add configuration for WHOIS linking.
Matti Hamalainen <ccr@tnsp.org>
parents:
16
diff
changeset
|
801 $ENV{"PATH"} = ""; |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
802 open(STATUS, $settings{"IPTABLES"}." -v -n -L INPUT |") or |
39
d96229159abc
v0.11.0: More fixes; Configuration files are now re-read when HUP signal is
Matti Hamalainen <ccr@tnsp.org>
parents:
37
diff
changeset
|
803 mdie("Could not execute ".$settings{"IPTABLES"}."\n"); |
23
cb0a4b747cf0
Handle importing of current netfilter entries differently.
Matti Hamalainen <ccr@tnsp.org>
parents:
21
diff
changeset
|
804 my %newlist = (); |
cb0a4b747cf0
Handle importing of current netfilter entries differently.
Matti Hamalainen <ccr@tnsp.org>
parents:
21
diff
changeset
|
805 undef(%newlist); |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
806 while (<STATUS>) { |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
807 chomp; |
66
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
808 if (/^\s*(\d+)\s+\d+\s+$settings{"FILTER_TARGET"}\s+all\s+--\s+\*\s+\*\s+(\d+\.\d+\.\d+\.\d+)\s+0\.0\.0\.0\/0\s*$/) { |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
809 my $mip = $2; |
66
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
810 if (!defined($filterlist{$mip})) { |
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
811 mlog(2, "* $mip appeared in iptables.\n") unless ($first < 0); |
79
9095db0fad8f
v0.18.0: Bunch of bugfixes; logfile trailing/scanning speed improved; memory
Matti Hamalainen <ccr@tnsp.org>
parents:
76
diff
changeset
|
812 $filterlist{$2} = time(); |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
813 } |
79
9095db0fad8f
v0.18.0: Bunch of bugfixes; logfile trailing/scanning speed improved; memory
Matti Hamalainen <ccr@tnsp.org>
parents:
76
diff
changeset
|
814 $newlist{$2} = 1; |
53
dc072a56f343
Don't add hits when updating entries from netfilter.
Matti Hamalainen <ccr@tnsp.org>
parents:
52
diff
changeset
|
815 update_entry(\%statlist, $mip, -1, "IPTABLES", "", 0); |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
816 } |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
817 } |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
818 close(STATUS); |
23
cb0a4b747cf0
Handle importing of current netfilter entries differently.
Matti Hamalainen <ccr@tnsp.org>
parents:
21
diff
changeset
|
819 |
66
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
820 foreach my $mip (keys %filterlist) { |
23
cb0a4b747cf0
Handle importing of current netfilter entries differently.
Matti Hamalainen <ccr@tnsp.org>
parents:
21
diff
changeset
|
821 if (!defined($newlist{$mip})) { |
cb0a4b747cf0
Handle importing of current netfilter entries differently.
Matti Hamalainen <ccr@tnsp.org>
parents:
21
diff
changeset
|
822 mlog(2, "* $mip removed from iptables.\n"); |
66
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
823 delete($filterlist{$mip}); |
23
cb0a4b747cf0
Handle importing of current netfilter entries differently.
Matti Hamalainen <ccr@tnsp.org>
parents:
21
diff
changeset
|
824 } |
cb0a4b747cf0
Handle importing of current netfilter entries differently.
Matti Hamalainen <ccr@tnsp.org>
parents:
21
diff
changeset
|
825 } |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
826 } |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
827 |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
828 ### Check if given timestamp is _newer_ than weedperiod threshold. |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
829 ### Returns false if timestamp is over weed period, e.g. needs weeding. |
26
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
parents:
25
diff
changeset
|
830 sub check_time1($) |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
831 { |
66
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
832 return ($_[0] > time() - ($settings{"FILTER_MAX_AGE"} * 60 * 60)); |
26
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
parents:
25
diff
changeset
|
833 } |
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
parents:
25
diff
changeset
|
834 |
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
parents:
25
diff
changeset
|
835 sub check_time2($) |
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
parents:
25
diff
changeset
|
836 { |
66
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
837 return ($_[0] > time() - ($settings{"STATS_MAX_AGE"} * 60 * 60)); |
65 | 838 } |
839 | |
840 sub check_time3($) | |
841 { | |
842 return ($_[0] > time() - ($settings{"DRONEBL_MAX_AGE"} * 60)); | |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
843 } |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
844 |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
845 ### Weed out old entries |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
846 sub weed_do($) |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
847 { |
66
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
848 my $mtime = $filterlist{$_[0]}; |
59 | 849 mlog(2, "* Weeding $_[0] (".get_time_str($mtime).")\n"); |
66
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
850 exec_iptables("-D", "INPUT", "-s", $_[0], "-d", "0.0.0.0/0", "-j", $settings{"FILTER_TARGET"}); |
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
851 delete($filterlist{$_[0]}); |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
852 delete($statlist{$_[0]}); |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
853 delete($ignorelist{$_[0]}); |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
854 } |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
855 |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
856 sub weed_entries() |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
857 { |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
858 # Don't weed in report mode. |
66
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
859 return unless ($settings{"FILTER"} > 0 && $reportmode == 0); |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
860 |
25
34dcb7462043
Sanitize weeding of entries, separating blocklist weeding from global lists.
Matti Hamalainen <ccr@tnsp.org>
parents:
24
diff
changeset
|
861 # Weed blocked entries. |
66
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
862 my @mips = keys %filterlist; |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
863 foreach my $mip (@mips) { |
79
9095db0fad8f
v0.18.0: Bunch of bugfixes; logfile trailing/scanning speed improved; memory
Matti Hamalainen <ccr@tnsp.org>
parents:
76
diff
changeset
|
864 if (defined($statlist{$mip})) { |
9095db0fad8f
v0.18.0: Bunch of bugfixes; logfile trailing/scanning speed improved; memory
Matti Hamalainen <ccr@tnsp.org>
parents:
76
diff
changeset
|
865 if ($statlist{$mip}{"date2"} >= 0) { |
9095db0fad8f
v0.18.0: Bunch of bugfixes; logfile trailing/scanning speed improved; memory
Matti Hamalainen <ccr@tnsp.org>
parents:
76
diff
changeset
|
866 weed_do($mip) unless check_time1($statlist{$mip}{"date2"}); |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
867 } else { |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
868 weed_do($mip); |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
869 } |
79
9095db0fad8f
v0.18.0: Bunch of bugfixes; logfile trailing/scanning speed improved; memory
Matti Hamalainen <ccr@tnsp.org>
parents:
76
diff
changeset
|
870 } elsif (defined($filterlist{$mip})) { |
9095db0fad8f
v0.18.0: Bunch of bugfixes; logfile trailing/scanning speed improved; memory
Matti Hamalainen <ccr@tnsp.org>
parents:
76
diff
changeset
|
871 weed_do($mip); |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
872 } |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
873 } |
25
34dcb7462043
Sanitize weeding of entries, separating blocklist weeding from global lists.
Matti Hamalainen <ccr@tnsp.org>
parents:
24
diff
changeset
|
874 |
34dcb7462043
Sanitize weeding of entries, separating blocklist weeding from global lists.
Matti Hamalainen <ccr@tnsp.org>
parents:
24
diff
changeset
|
875 # Clean up old entries from other lists |
34dcb7462043
Sanitize weeding of entries, separating blocklist weeding from global lists.
Matti Hamalainen <ccr@tnsp.org>
parents:
24
diff
changeset
|
876 foreach my $mip (keys %statlist) { |
34dcb7462043
Sanitize weeding of entries, separating blocklist weeding from global lists.
Matti Hamalainen <ccr@tnsp.org>
parents:
24
diff
changeset
|
877 if (defined($statlist{$mip})) { |
34dcb7462043
Sanitize weeding of entries, separating blocklist weeding from global lists.
Matti Hamalainen <ccr@tnsp.org>
parents:
24
diff
changeset
|
878 my $mtime = $statlist{$mip}{"date2"}; |
66
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
879 if (!check_time2($mtime) && !defined($filterlist{$mip})) { |
40
24babaa1e331
Many cleanups and fixes; Example configuration updated.
Matti Hamalainen <ccr@tnsp.org>
parents:
39
diff
changeset
|
880 mlog(3, "* Deleting stale $mip (".get_time_str($mtime).")\n"); |
25
34dcb7462043
Sanitize weeding of entries, separating blocklist weeding from global lists.
Matti Hamalainen <ccr@tnsp.org>
parents:
24
diff
changeset
|
881 delete($statlist{$mip}); |
34dcb7462043
Sanitize weeding of entries, separating blocklist weeding from global lists.
Matti Hamalainen <ccr@tnsp.org>
parents:
24
diff
changeset
|
882 } |
34dcb7462043
Sanitize weeding of entries, separating blocklist weeding from global lists.
Matti Hamalainen <ccr@tnsp.org>
parents:
24
diff
changeset
|
883 } |
34dcb7462043
Sanitize weeding of entries, separating blocklist weeding from global lists.
Matti Hamalainen <ccr@tnsp.org>
parents:
24
diff
changeset
|
884 } |
34dcb7462043
Sanitize weeding of entries, separating blocklist weeding from global lists.
Matti Hamalainen <ccr@tnsp.org>
parents:
24
diff
changeset
|
885 |
34dcb7462043
Sanitize weeding of entries, separating blocklist weeding from global lists.
Matti Hamalainen <ccr@tnsp.org>
parents:
24
diff
changeset
|
886 foreach my $mip (keys %ignorelist) { |
34dcb7462043
Sanitize weeding of entries, separating blocklist weeding from global lists.
Matti Hamalainen <ccr@tnsp.org>
parents:
24
diff
changeset
|
887 if (defined($ignorelist{$mip})) { |
34dcb7462043
Sanitize weeding of entries, separating blocklist weeding from global lists.
Matti Hamalainen <ccr@tnsp.org>
parents:
24
diff
changeset
|
888 my $mtime = $ignorelist{$mip}{"date2"}; |
26
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
parents:
25
diff
changeset
|
889 if (!check_time2($mtime)) { |
40
24babaa1e331
Many cleanups and fixes; Example configuration updated.
Matti Hamalainen <ccr@tnsp.org>
parents:
39
diff
changeset
|
890 mlog(3, "* Deleting stale ignored $mip (".get_time_str($mtime).")\n"); |
25
34dcb7462043
Sanitize weeding of entries, separating blocklist weeding from global lists.
Matti Hamalainen <ccr@tnsp.org>
parents:
24
diff
changeset
|
891 delete($ignorelist{$mip}); |
34dcb7462043
Sanitize weeding of entries, separating blocklist weeding from global lists.
Matti Hamalainen <ccr@tnsp.org>
parents:
24
diff
changeset
|
892 } |
34dcb7462043
Sanitize weeding of entries, separating blocklist weeding from global lists.
Matti Hamalainen <ccr@tnsp.org>
parents:
24
diff
changeset
|
893 } |
34dcb7462043
Sanitize weeding of entries, separating blocklist weeding from global lists.
Matti Hamalainen <ccr@tnsp.org>
parents:
24
diff
changeset
|
894 } |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
895 } |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
896 |
54
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
897 ### Update one entry data |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
898 sub update_date($$) |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
899 { |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
900 if (!defined($_[0]->{"date1"}) || ($_[1] > 0 && $_[0]->{"date1"} < 0)) { |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
901 $_[0]->{"date1"} = $_[1]; |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
902 } |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
903 if (!defined($_[0]->{"date2"}) || $_[1] > $_[0]->{"date2"}) { |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
904 $_[0]->{"date2"} = $_[1]; |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
905 } |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
906 } |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
907 |
53
dc072a56f343
Don't add hits when updating entries from netfilter.
Matti Hamalainen <ccr@tnsp.org>
parents:
52
diff
changeset
|
908 sub update_entry($$$$$$) |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
909 { |
53
dc072a56f343
Don't add hits when updating entries from netfilter.
Matti Hamalainen <ccr@tnsp.org>
parents:
52
diff
changeset
|
910 my ($struct, $mip, $mdate, $mclass, $mreason, $addhits) = @_; |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
911 |
69
b090ddfccdab
Cleanups. Improve IP/host definitions.
Matti Hamalainen <ccr@tnsp.org>
parents:
68
diff
changeset
|
912 return if check_hosts_array(\@noaction_ips, $mip); |
b090ddfccdab
Cleanups. Improve IP/host definitions.
Matti Hamalainen <ccr@tnsp.org>
parents:
68
diff
changeset
|
913 |
54
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
914 $struct->{$mip} = {} unless defined($struct->{$mip}); |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
915 my $entry = $struct->{$mip}; |
62
924720517cf9
Fix initialization of hash structure part, this fixes resetting of class hits to 1.
Matti Hamalainen <ccr@tnsp.org>
parents:
60
diff
changeset
|
916 $entry->{"reason"}{$mclass} = {} unless defined($entry->{"reason"}{$mclass}); |
924720517cf9
Fix initialization of hash structure part, this fixes resetting of class hits to 1.
Matti Hamalainen <ccr@tnsp.org>
parents:
60
diff
changeset
|
917 my $reason = $entry->{"reason"}{$mclass}; |
54
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
918 |
70
adb4795f451e
Finished DroneBL support (hopefully).
Matti Hamalainen <ccr@tnsp.org>
parents:
69
diff
changeset
|
919 $entry->{"dronebl"} = 0 unless defined($entry->{"dronebl"}); |
adb4795f451e
Finished DroneBL support (hopefully).
Matti Hamalainen <ccr@tnsp.org>
parents:
69
diff
changeset
|
920 |
54
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
921 # Add hits only when requested |
53
dc072a56f343
Don't add hits when updating entries from netfilter.
Matti Hamalainen <ccr@tnsp.org>
parents:
52
diff
changeset
|
922 if ($addhits) { |
54
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
923 $entry->{"hits"}++; |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
924 $reason->{"hits"}++; |
53
dc072a56f343
Don't add hits when updating entries from netfilter.
Matti Hamalainen <ccr@tnsp.org>
parents:
52
diff
changeset
|
925 } else { |
54
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
926 $entry->{"hits"} = 1 unless defined($entry->{"hits"}); |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
927 $reason->{"hits"} = 1 unless defined($reason->{"hits"}); |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
928 } |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
929 |
54
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
930 # Messages is an array in reportmode |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
931 if ($reportmode) { |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
932 push(@{$reason->{"msg"}}, $mreason); |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
933 } else { |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
934 $reason->{"msg"} = $mreason; |
39
d96229159abc
v0.11.0: More fixes; Configuration files are now re-read when HUP signal is
Matti Hamalainen <ccr@tnsp.org>
parents:
37
diff
changeset
|
935 } |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
936 |
54
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
937 # Update timestamps (generic and reason) |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
938 update_date($entry, $mdate); |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
939 update_date($reason, $mdate); |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
940 |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
941 return $entry->{"hits"}; |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
942 } |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
943 |
65 | 944 ### Check if given "try count" exceeds threshold and if entry |
0
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
945 ### is NOT in Netfilter already, then add it if so. |
65 | 946 sub check_add_hit($$$$$$) |
0
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
947 { |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
948 my $mip = $_[0]; |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
949 my $mdate = str2time($_[1]); |
11
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
950 my $mclass = $_[2]; |
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
951 my $mreason = $_[3]; |
65 | 952 my $mtype = $_[4]; |
953 my $mcond = $_[5]; | |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
954 my $cnt; |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
955 |
66
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
956 if (check_hosts_array(\@noaction_ips, $mip)) { |
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
957 mlog(2, "Hit to NOACTION_IPS($mip): [$mclass] $mreason\n"); |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
958 return; |
13
fc053b001027
Improved reporting and documentation.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
959 } |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
960 |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
961 # If condition is true, we add to regular statlist |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
962 if ($mcond) { |
53
dc072a56f343
Don't add hits when updating entries from netfilter.
Matti Hamalainen <ccr@tnsp.org>
parents:
52
diff
changeset
|
963 $cnt = update_entry(\%statlist, $mip, $mdate, $mclass, $mreason, 1); |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
964 } else { |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
965 # This is an ignored hit (for disabled test), add to ignorelist |
53
dc072a56f343
Don't add hits when updating entries from netfilter.
Matti Hamalainen <ccr@tnsp.org>
parents:
52
diff
changeset
|
966 update_entry(\%ignorelist, $mip, $mdate, $mclass, $mreason, 1); |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
967 return; |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
968 } |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
969 |
65 | 970 # Check if we have exceeded threshold etc. |
66
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
971 if ($settings{"FILTER"} > 0 && $cnt >= $settings{"FILTER_THRESHOLD"} && check_time1($mdate)) { |
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
972 # Add to filterlist, unless already there. |
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
973 if (!defined($filterlist{$mip})) { |
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
974 mlog(1, "* Adding $mip \@ ".get_time_str($mdate).": [$mclass] $mreason\n"); |
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
975 exec_iptables("-I", "INPUT", "1", "-s", $mip, "-j", $settings{"FILTER_TARGET"}); |
0
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
976 } |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
977 # Update date of last hit |
66
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
978 $filterlist{$mip} = $mdate; |
0
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
979 } |
65 | 980 |
981 # Separate check for DroneBL | |
69
b090ddfccdab
Cleanups. Improve IP/host definitions.
Matti Hamalainen <ccr@tnsp.org>
parents:
68
diff
changeset
|
982 if ($mtype > 0 && $cnt >= $settings{"DRONEBL_THRESHOLD"} && check_time3($mdate)) { |
66
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
983 dronebl_queue($mip, $mdate, $mtype); |
65 | 984 } |
0
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
985 } |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
986 |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
987 |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
988 ############################################################################# |
11
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
989 ### Main helper functions |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
990 ############################################################################# |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
991 ### Print log entry |
39
d96229159abc
v0.11.0: More fixes; Configuration files are now re-read when HUP signal is
Matti Hamalainen <ccr@tnsp.org>
parents:
37
diff
changeset
|
992 sub mlog($$) |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
993 { |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
994 my $level = shift; |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
995 my $msg = shift; |
23
cb0a4b747cf0
Handle importing of current netfilter entries differently.
Matti Hamalainen <ccr@tnsp.org>
parents:
21
diff
changeset
|
996 if ($LOGFILE) { |
40
24babaa1e331
Many cleanups and fixes; Example configuration updated.
Matti Hamalainen <ccr@tnsp.org>
parents:
39
diff
changeset
|
997 print $LOGFILE "[".get_time_str(time())."] ".$msg if ($settings{"VERBOSITY"} > $level); |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
998 } elsif ($settings{"DRY_RUN"}) { |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
999 print STDERR $msg if ($settings{"VERBOSITY"} > $level); |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
1000 } |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
1001 } |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
1002 |
40
24babaa1e331
Many cleanups and fixes; Example configuration updated.
Matti Hamalainen <ccr@tnsp.org>
parents:
39
diff
changeset
|
1003 ### Like Perl's die(), but also print a logfile entry. |
39
d96229159abc
v0.11.0: More fixes; Configuration files are now re-read when HUP signal is
Matti Hamalainen <ccr@tnsp.org>
parents:
37
diff
changeset
|
1004 sub mdie($) |
d96229159abc
v0.11.0: More fixes; Configuration files are now re-read when HUP signal is
Matti Hamalainen <ccr@tnsp.org>
parents:
37
diff
changeset
|
1005 { |
54
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1006 mlog(-1, $_[0]) if ($LOGFILE); |
39
d96229159abc
v0.11.0: More fixes; Configuration files are now re-read when HUP signal is
Matti Hamalainen <ccr@tnsp.org>
parents:
37
diff
changeset
|
1007 die($_[0]); |
d96229159abc
v0.11.0: More fixes; Configuration files are now re-read when HUP signal is
Matti Hamalainen <ccr@tnsp.org>
parents:
37
diff
changeset
|
1008 } |
d96229159abc
v0.11.0: More fixes; Configuration files are now re-read when HUP signal is
Matti Hamalainen <ccr@tnsp.org>
parents:
37
diff
changeset
|
1009 |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
1010 ### Initialize |
23
cb0a4b747cf0
Handle importing of current netfilter entries differently.
Matti Hamalainen <ccr@tnsp.org>
parents:
21
diff
changeset
|
1011 sub malt_init |
cb0a4b747cf0
Handle importing of current netfilter entries differently.
Matti Hamalainen <ccr@tnsp.org>
parents:
21
diff
changeset
|
1012 { |
57
a70493b6c916
Clear %statlist and %ignorelist when re-initializing (due to HUP), so we don't count stats twice.
Matti Hamalainen <ccr@tnsp.org>
parents:
55
diff
changeset
|
1013 %statlist = (); |
a70493b6c916
Clear %statlist and %ignorelist when re-initializing (due to HUP), so we don't count stats twice.
Matti Hamalainen <ccr@tnsp.org>
parents:
55
diff
changeset
|
1014 undef(%statlist); |
a70493b6c916
Clear %statlist and %ignorelist when re-initializing (due to HUP), so we don't count stats twice.
Matti Hamalainen <ccr@tnsp.org>
parents:
55
diff
changeset
|
1015 %ignorelist = (); |
a70493b6c916
Clear %statlist and %ignorelist when re-initializing (due to HUP), so we don't count stats twice.
Matti Hamalainen <ccr@tnsp.org>
parents:
55
diff
changeset
|
1016 undef(%ignorelist); |
66
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
1017 update_filterlist(-1); |
57
a70493b6c916
Clear %statlist and %ignorelist when re-initializing (due to HUP), so we don't count stats twice.
Matti Hamalainen <ccr@tnsp.org>
parents:
55
diff
changeset
|
1018 |
54
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1019 foreach my $filename (@scanfiles_once) { |
58
a780a23e19a8
Change parsing status log messages.
Matti Hamalainen <ccr@tnsp.org>
parents:
57
diff
changeset
|
1020 mlog(0, "Parsing [ONCE] ".$filename." ...\n"); |
54
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1021 if (open(INFILE, "<", $filename)) { |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1022 while (<INFILE>) { |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1023 chomp; |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1024 check_log_line($_); |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1025 } |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1026 } else { |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1027 mlog(-1, "Could not open '".$filename."', skipping now.\n"); |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1028 } |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1029 close(INFILE); |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1030 } |
0
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1031 |
3 | 1032 foreach my $filename (@scanfiles) { |
0
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1033 local *INFILE; |
58
a780a23e19a8
Change parsing status log messages.
Matti Hamalainen <ccr@tnsp.org>
parents:
57
diff
changeset
|
1034 mlog(0, "Initial parsing ".$filename." ...\n"); |
54
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1035 if (open(INFILE, "<", $filename)) { |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1036 $filehandles{$filename} = *INFILE; |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1037 while (<INFILE>) { |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1038 chomp; |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1039 check_log_line($_); |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1040 } |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1041 } else { |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1042 mlog(-1, "Could not open '".$filename."', skipping now.\n"); |
0
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1043 } |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1044 } |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1045 } |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1046 |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
1047 ### Quick cleanup (not complete shutdown) |
23
cb0a4b747cf0
Handle importing of current netfilter entries differently.
Matti Hamalainen <ccr@tnsp.org>
parents:
21
diff
changeset
|
1048 sub malt_cleanup |
cb0a4b747cf0
Handle importing of current netfilter entries differently.
Matti Hamalainen <ccr@tnsp.org>
parents:
21
diff
changeset
|
1049 { |
3 | 1050 foreach my $filename (keys %filehandles) { |
1051 close($filehandles{$filename}); | |
0
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1052 } |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1053 } |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1054 |
23
cb0a4b747cf0
Handle importing of current netfilter entries differently.
Matti Hamalainen <ccr@tnsp.org>
parents:
21
diff
changeset
|
1055 sub malt_finish |
cb0a4b747cf0
Handle importing of current netfilter entries differently.
Matti Hamalainen <ccr@tnsp.org>
parents:
21
diff
changeset
|
1056 { |
0
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1057 # Unlink pid-file |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1058 if ($pid_file ne "" && -e $pid_file) { |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1059 unlink $pid_file; |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1060 } |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1061 # Close logfile |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1062 close($LOGFILE) if (defined($LOGFILE)); |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1063 undef($LOGFILE); |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1064 } |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1065 |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
1066 ### Signal handlers |
23
cb0a4b747cf0
Handle importing of current netfilter entries differently.
Matti Hamalainen <ccr@tnsp.org>
parents:
21
diff
changeset
|
1067 sub malt_int |
cb0a4b747cf0
Handle importing of current netfilter entries differently.
Matti Hamalainen <ccr@tnsp.org>
parents:
21
diff
changeset
|
1068 { |
0
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1069 mlog(-1, "\nCaught Interrupt (^C), aborting.\n"); |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1070 malt_cleanup(); |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1071 malt_finish(); |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1072 exit(1); |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1073 } |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1074 |
23
cb0a4b747cf0
Handle importing of current netfilter entries differently.
Matti Hamalainen <ccr@tnsp.org>
parents:
21
diff
changeset
|
1075 sub malt_term |
cb0a4b747cf0
Handle importing of current netfilter entries differently.
Matti Hamalainen <ccr@tnsp.org>
parents:
21
diff
changeset
|
1076 { |
11
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
1077 mlog(-1, "Received TERM, quitting.\n"); |
0
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1078 malt_cleanup(); |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1079 malt_finish(); |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1080 exit(1); |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1081 } |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1082 |
23
cb0a4b747cf0
Handle importing of current netfilter entries differently.
Matti Hamalainen <ccr@tnsp.org>
parents:
21
diff
changeset
|
1083 sub malt_hup |
cb0a4b747cf0
Handle importing of current netfilter entries differently.
Matti Hamalainen <ccr@tnsp.org>
parents:
21
diff
changeset
|
1084 { |
0
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1085 mlog(-1, "Received HUP, reinitializing.\n"); |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1086 malt_cleanup(); |
39
d96229159abc
v0.11.0: More fixes; Configuration files are now re-read when HUP signal is
Matti Hamalainen <ccr@tnsp.org>
parents:
37
diff
changeset
|
1087 malt_configure(); |
0
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1088 malt_init(); |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1089 mlog(-1, "Reinitialization finished, resuming scanning.\n"); |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1090 } |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1091 |
66
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
1092 sub malt_maintenance |
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
1093 { |
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
1094 update_filterlist(time()); |
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
1095 weed_entries(); |
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
1096 generate_status($settings{"STATUS_FILE_PLAIN"}, 0); |
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
1097 generate_status($settings{"STATUS_FILE_HTML"}, 1); |
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
1098 evidence_gather(); |
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
1099 dronebl_process(); |
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
1100 } |
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
1101 |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
1102 ### Main scanning function |
23
cb0a4b747cf0
Handle importing of current netfilter entries differently.
Matti Hamalainen <ccr@tnsp.org>
parents:
21
diff
changeset
|
1103 sub malt_scan |
cb0a4b747cf0
Handle importing of current netfilter entries differently.
Matti Hamalainen <ccr@tnsp.org>
parents:
21
diff
changeset
|
1104 { |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
1105 mlog(1, "Entering main scanning loop.\n"); |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
1106 my $counter = -1; |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
1107 while (1) { |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
1108 my %filepos = (); |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
1109 foreach my $filename (keys %filehandles) { |
39
d96229159abc
v0.11.0: More fixes; Configuration files are now re-read when HUP signal is
Matti Hamalainen <ccr@tnsp.org>
parents:
37
diff
changeset
|
1110 for ($filepos{$filename} = tell($filehandles{$filename}); |
79
9095db0fad8f
v0.18.0: Bunch of bugfixes; logfile trailing/scanning speed improved; memory
Matti Hamalainen <ccr@tnsp.org>
parents:
76
diff
changeset
|
1111 $_ = readline($filehandles{$filename}); |
39
d96229159abc
v0.11.0: More fixes; Configuration files are now re-read when HUP signal is
Matti Hamalainen <ccr@tnsp.org>
parents:
37
diff
changeset
|
1112 $filepos{$filename} = tell($filehandles{$filename})) { |
79
9095db0fad8f
v0.18.0: Bunch of bugfixes; logfile trailing/scanning speed improved; memory
Matti Hamalainen <ccr@tnsp.org>
parents:
76
diff
changeset
|
1113 chomp($_); |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
1114 check_log_line($_); |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
1115 } |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
1116 } |
79
9095db0fad8f
v0.18.0: Bunch of bugfixes; logfile trailing/scanning speed improved; memory
Matti Hamalainen <ccr@tnsp.org>
parents:
76
diff
changeset
|
1117 sleep(1); |
9095db0fad8f
v0.18.0: Bunch of bugfixes; logfile trailing/scanning speed improved; memory
Matti Hamalainen <ccr@tnsp.org>
parents:
76
diff
changeset
|
1118 foreach my $filename (keys %filehandles) { |
9095db0fad8f
v0.18.0: Bunch of bugfixes; logfile trailing/scanning speed improved; memory
Matti Hamalainen <ccr@tnsp.org>
parents:
76
diff
changeset
|
1119 seek($filehandles{$filename}, $filepos{$filename}, 0); |
9095db0fad8f
v0.18.0: Bunch of bugfixes; logfile trailing/scanning speed improved; memory
Matti Hamalainen <ccr@tnsp.org>
parents:
76
diff
changeset
|
1120 } |
83
532169789f52
Add automatic temporary suspension of DroneBL submissions if enough HTTP
Matti Hamalainen <ccr@tnsp.org>
parents:
80
diff
changeset
|
1121 if ($counter < 0 || $counter >= 60) { |
66
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
1122 # Every once in a while, execute maintenance functions |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
1123 $counter = 0; |
66
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
1124 malt_maintenance(); |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
1125 } |
80
4e3f87470426
Only execute maintenance procedures every 5 minutes or so.
Matti Hamalainen <ccr@tnsp.org>
parents:
79
diff
changeset
|
1126 $counter++; |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
1127 } |
0
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1128 } |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1129 |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
1130 ### Read one configuration file |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
1131 sub malt_read_config($) |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
1132 { |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
1133 my $filename = $_[0]; |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
1134 my $errors = 0; |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
1135 my $line = 0; |
0
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1136 |
39
d96229159abc
v0.11.0: More fixes; Configuration files are now re-read when HUP signal is
Matti Hamalainen <ccr@tnsp.org>
parents:
37
diff
changeset
|
1137 open(CONFFILE, "<", $filename) or mdie("Could not open configuration '".$filename."'!\n"); |
0
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1138 while (<CONFFILE>) { |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
1139 $line++; |
0
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1140 chomp; |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1141 if (/(^\s*#|^\s*$)/) { |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1142 # Ignore comments and empty lines |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1143 } elsif (/^\s*\"?([a-zA-Z0-9_]+)\"?\s*=>?\s*(\d+),?\s*$/) { |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1144 my $key = uc($1); |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1145 my $value = $2; |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1146 if (defined($settings{$key})) { |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1147 $settings{$key} = $value; |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1148 } else { |
39
d96229159abc
v0.11.0: More fixes; Configuration files are now re-read when HUP signal is
Matti Hamalainen <ccr@tnsp.org>
parents:
37
diff
changeset
|
1149 mlog(-1, "[$filename:$line] Unknown setting '$key' = $value\n"); |
0
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1150 $errors = 1; |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1151 } |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1152 } elsif (/^\s*\"?([a-zA-Z0-9_]+)\"?\s*=>?\s*\"(.*?)\",?\s*$/) { |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1153 my $key = uc($1); |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1154 my $value = $2; |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1155 if ($key eq "SCANFILE") { |
54
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1156 push(@scanfiles, $value); |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1157 } elsif ($key eq "SCANFILE_ONCE") { |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1158 push(@scanfiles_once, $value); |
66
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
1159 } elsif ($key eq "NOACTION_IPS") { |
69
b090ddfccdab
Cleanups. Improve IP/host definitions.
Matti Hamalainen <ccr@tnsp.org>
parents:
68
diff
changeset
|
1160 push(@noaction_ips, $value); |
0
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1161 } elsif (defined($settings{$key})) { |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1162 $settings{$key} = $value; |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1163 } else { |
39
d96229159abc
v0.11.0: More fixes; Configuration files are now re-read when HUP signal is
Matti Hamalainen <ccr@tnsp.org>
parents:
37
diff
changeset
|
1164 mlog(-1, "[$filename:$line] Unknown setting '$key' = '$value'\n"); |
0
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1165 $errors = 1; |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1166 } |
40
24babaa1e331
Many cleanups and fixes; Example configuration updated.
Matti Hamalainen <ccr@tnsp.org>
parents:
39
diff
changeset
|
1167 # Force dry run mode if we are reporting only |
24babaa1e331
Many cleanups and fixes; Example configuration updated.
Matti Hamalainen <ccr@tnsp.org>
parents:
39
diff
changeset
|
1168 if ($reportmode) { |
24babaa1e331
Many cleanups and fixes; Example configuration updated.
Matti Hamalainen <ccr@tnsp.org>
parents:
39
diff
changeset
|
1169 $settings{"DRY_RUN"} = 1; |
24babaa1e331
Many cleanups and fixes; Example configuration updated.
Matti Hamalainen <ccr@tnsp.org>
parents:
39
diff
changeset
|
1170 } |
0
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1171 } else { |
39
d96229159abc
v0.11.0: More fixes; Configuration files are now re-read when HUP signal is
Matti Hamalainen <ccr@tnsp.org>
parents:
37
diff
changeset
|
1172 mlog(-1, "[$filename:$line] Syntax error: $_\n"); |
0
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1173 $errors = 1; |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1174 } |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1175 } |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
1176 close(CONFFILE); |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
1177 return $errors; |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
1178 } |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
1179 |
39
d96229159abc
v0.11.0: More fixes; Configuration files are now re-read when HUP signal is
Matti Hamalainen <ccr@tnsp.org>
parents:
37
diff
changeset
|
1180 ### Read all configuration files |
d96229159abc
v0.11.0: More fixes; Configuration files are now re-read when HUP signal is
Matti Hamalainen <ccr@tnsp.org>
parents:
37
diff
changeset
|
1181 sub malt_configure |
d96229159abc
v0.11.0: More fixes; Configuration files are now re-read when HUP signal is
Matti Hamalainen <ccr@tnsp.org>
parents:
37
diff
changeset
|
1182 { |
d96229159abc
v0.11.0: More fixes; Configuration files are now re-read when HUP signal is
Matti Hamalainen <ccr@tnsp.org>
parents:
37
diff
changeset
|
1183 # Let user define his/her own logfiles to scan |
54
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1184 @scanfiles = (); |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1185 undef(@scanfiles); |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1186 |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1187 @scanfiles_once = (); |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1188 undef(@scanfiles_once); |
69
b090ddfccdab
Cleanups. Improve IP/host definitions.
Matti Hamalainen <ccr@tnsp.org>
parents:
68
diff
changeset
|
1189 |
b090ddfccdab
Cleanups. Improve IP/host definitions.
Matti Hamalainen <ccr@tnsp.org>
parents:
68
diff
changeset
|
1190 @noaction_ips = (); |
b090ddfccdab
Cleanups. Improve IP/host definitions.
Matti Hamalainen <ccr@tnsp.org>
parents:
68
diff
changeset
|
1191 undef(@noaction_ips); |
54
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1192 |
39
d96229159abc
v0.11.0: More fixes; Configuration files are now re-read when HUP signal is
Matti Hamalainen <ccr@tnsp.org>
parents:
37
diff
changeset
|
1193 foreach my $filename (@configfiles) { |
d96229159abc
v0.11.0: More fixes; Configuration files are now re-read when HUP signal is
Matti Hamalainen <ccr@tnsp.org>
parents:
37
diff
changeset
|
1194 mdie("Errors in configuration file '$filename', bailing out.\n") |
d96229159abc
v0.11.0: More fixes; Configuration files are now re-read when HUP signal is
Matti Hamalainen <ccr@tnsp.org>
parents:
37
diff
changeset
|
1195 unless (malt_read_config($filename) == 0); |
d96229159abc
v0.11.0: More fixes; Configuration files are now re-read when HUP signal is
Matti Hamalainen <ccr@tnsp.org>
parents:
37
diff
changeset
|
1196 } |
40
24babaa1e331
Many cleanups and fixes; Example configuration updated.
Matti Hamalainen <ccr@tnsp.org>
parents:
39
diff
changeset
|
1197 |
54
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1198 # Clean up certain arrays duplicate entries |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1199 my %saw = (); |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1200 @scanfiles = grep(!$saw{$_}++, @scanfiles); |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1201 |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1202 %saw = (); |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1203 @scanfiles_once = grep(!$saw{$_}++, @scanfiles_once); |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1204 |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1205 %saw = (); |
69
b090ddfccdab
Cleanups. Improve IP/host definitions.
Matti Hamalainen <ccr@tnsp.org>
parents:
68
diff
changeset
|
1206 push(@noaction_ips, @noaction_ips_def); |
b090ddfccdab
Cleanups. Improve IP/host definitions.
Matti Hamalainen <ccr@tnsp.org>
parents:
68
diff
changeset
|
1207 @noaction_ips = grep(!$saw{$_}++, @noaction_ips); |
54
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1208 undef(%saw); |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1209 |
66
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
1210 mlog(-1, "Not acting on IPs: ".join(", ", @noaction_ips)."\n"); |
54
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1211 |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1212 # Check if we have anything to do |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1213 if ($reportmode) { |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1214 mdie("Nothing to do, no SCANFILE(s) or SCANFILE_ONCE(s) defined in configuration.\n") unless ($#scanfiles > 0 || $#scanfiles_once > 0); |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1215 } else { |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1216 mdie("Nothing to do, no SCANFILE(s) defined in configuration.\n") unless ($#scanfiles > 0); |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1217 } |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1218 |
66
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
1219 # General settings |
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
1220 my $val = $settings{"STATS_MAX_AGE"}; |
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
1221 mdie("Invalid STATS_MAX_AGE value $val, must be > 0.\n") unless ($val > 0); |
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
1222 |
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
1223 # Filtering |
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
1224 if ($settings{"FILTER"} > 0) { |
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
1225 $val = $settings{"FILTER_MAX_AGE"}; |
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
1226 mdie("Invalid FILTER_MAX_AGE value $val, must be > 0.\n") unless ($val > 0); |
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
1227 |
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
1228 $val = $settings{"FILTER_THRESHOLD"}; |
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
1229 mdie("Invalid FILTER_THRESHOLD value $val, must be >= 0.\n") unless ($val >= 0); |
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
1230 |
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
1231 $val = $settings{"IPTABLES"}; |
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
1232 mdie("iptables binary does not exist or is not executable: $val\n") unless (-e $val && -x $val); |
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
1233 } else { |
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
1234 mlog(1, "Netfilter handling disabled.\n"); |
54
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1235 } |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1236 |
60
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
1237 # Check evidence settings |
66
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
1238 if ($settings{"EVIDENCE"} > 0) { |
60
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
1239 my $base = $settings{"EVIDENCE_DIR"}; |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
1240 mdie("Evidence directory (EVIDENCE_DIR) not set in configuration.\n") if ($base eq ""); |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
1241 mdie("Evidence directory '$base' does not exist.\n") unless (-e $base); |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
1242 mdie("Path '$base' is not a directory.\n") unless (-d $base); |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
1243 mdie("Evidence directory '$base' is not writable by euid.\n") unless (-w $base); |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
1244 } |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
1245 |
66
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
1246 # Sanitize DroneBL configuration |
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
1247 if ($settings{"DRONEBL"} > 0) { |
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
1248 mdie("DroneBL RPC key not set.\n") unless ($settings{"DRONEBL_RPC_KEY"} ne ""); |
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
1249 } |
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
1250 |
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
parents:
65
diff
changeset
|
1251 # Check system account / passwd settings |
40
24babaa1e331
Many cleanups and fixes; Example configuration updated.
Matti Hamalainen <ccr@tnsp.org>
parents:
39
diff
changeset
|
1252 mdie("SYSACCT_MIN_UID must be >= 1.\n") unless ($settings{"SYSACCT_MIN_UID"} >= 1); |
24babaa1e331
Many cleanups and fixes; Example configuration updated.
Matti Hamalainen <ccr@tnsp.org>
parents:
39
diff
changeset
|
1253 mdie("SYSACCT_MAX_UID must be >= SYSACCT_MIN_UID.\n") unless ($settings{"SYSACCT_MAX_UID"} >= $settings{"SYSACCT_MIN_UID"}); |
24babaa1e331
Many cleanups and fixes; Example configuration updated.
Matti Hamalainen <ccr@tnsp.org>
parents:
39
diff
changeset
|
1254 |
44
471731c79bb3
Add configuration setting for PASSWD file.
Matti Hamalainen <ccr@tnsp.org>
parents:
40
diff
changeset
|
1255 open(PASSWD, "<", $settings{"PASSWD"}) or mdie("Could not open '".$settings{"PASSWD"}."' for reading!\n"); |
40
24babaa1e331
Many cleanups and fixes; Example configuration updated.
Matti Hamalainen <ccr@tnsp.org>
parents:
39
diff
changeset
|
1256 while (<PASSWD>) { |
24babaa1e331
Many cleanups and fixes; Example configuration updated.
Matti Hamalainen <ccr@tnsp.org>
parents:
39
diff
changeset
|
1257 my @fields = split(/\s*:\s*/); |
24babaa1e331
Many cleanups and fixes; Example configuration updated.
Matti Hamalainen <ccr@tnsp.org>
parents:
39
diff
changeset
|
1258 if ($fields[2] >= $settings{"SYSACCT_MIN_UID"} && $fields[2] <= $settings{"SYSACCT_MAX_UID"}) { |
24babaa1e331
Many cleanups and fixes; Example configuration updated.
Matti Hamalainen <ccr@tnsp.org>
parents:
39
diff
changeset
|
1259 $systemacct{$fields[0]} = $fields[2]; |
24babaa1e331
Many cleanups and fixes; Example configuration updated.
Matti Hamalainen <ccr@tnsp.org>
parents:
39
diff
changeset
|
1260 } |
24babaa1e331
Many cleanups and fixes; Example configuration updated.
Matti Hamalainen <ccr@tnsp.org>
parents:
39
diff
changeset
|
1261 } |
24babaa1e331
Many cleanups and fixes; Example configuration updated.
Matti Hamalainen <ccr@tnsp.org>
parents:
39
diff
changeset
|
1262 close(PASSWD); |
39
d96229159abc
v0.11.0: More fixes; Configuration files are now re-read when HUP signal is
Matti Hamalainen <ccr@tnsp.org>
parents:
37
diff
changeset
|
1263 } |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
1264 |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
1265 ############################################################################# |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
1266 ### |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
1267 ### Main program |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
1268 ### |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
1269 ############################################################################# |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
1270 # Setup signal handlers |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
1271 $SIG{'INT'} = 'malt_int'; |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
1272 $SIG{'TERM'} = 'malt_term'; |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
1273 $SIG{'HUP'} = 'malt_hup'; |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
1274 |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
1275 # Print banner and help if no arguments |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
1276 my $argc = $#ARGV + 1; |
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Matti Hamalainen <ccr@tnsp.org>
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1277 if ($argc < 1) { |
66
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Matti Hamalainen <ccr@tnsp.org>
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|
1278 print STDERR $progbanner. |
15
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Matti Hamalainen <ccr@tnsp.org>
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1279 "\n". |
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Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
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1280 "Usage: maltfilter <pid filename> [config filename] [config filename...]\n". |
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Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
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diff
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|
1281 " maltfilter -f [config filename] [config filename...]\n". |
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Matti Hamalainen <ccr@tnsp.org>
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13
diff
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|
1282 "-f turns on the full report mode.\n"; |
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Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
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13
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1283 exit; |
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Matti Hamalainen <ccr@tnsp.org>
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13
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1284 } |
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Matti Hamalainen <ccr@tnsp.org>
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13
diff
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|
1285 |
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Matti Hamalainen <ccr@tnsp.org>
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diff
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|
1286 # Test pid file existence unless report mode |
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Matti Hamalainen <ccr@tnsp.org>
parents:
13
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1287 $pid_file = shift; |
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Matti Hamalainen <ccr@tnsp.org>
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1288 if ($pid_file eq "-f") { |
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Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
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13
diff
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|
1289 $reportmode = 1; |
66
42889eed0ce8
Lots of cleanups, etc. Documentation updates.
Matti Hamalainen <ccr@tnsp.org>
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|
1290 print STDERR $progbanner; |
15
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Matti Hamalainen <ccr@tnsp.org>
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diff
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|
1291 } else { |
39
d96229159abc
v0.11.0: More fixes; Configuration files are now re-read when HUP signal is
Matti Hamalainen <ccr@tnsp.org>
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37
diff
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|
1292 mdie("'$pid_file' already exists, not starting.\n". |
15
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Cleanups in progress, does not work.
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|
1293 "If the daemon is NOT running, remove the pid-file and re-start.\n") |
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Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
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13
diff
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|
1294 if (-e $pid_file); |
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parents:
13
diff
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|
1295 } |
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13
diff
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|
1296 |
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Matti Hamalainen <ccr@tnsp.org>
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13
diff
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|
1297 # Read configuration files |
39
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Matti Hamalainen <ccr@tnsp.org>
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37
diff
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|
1298 while (defined(my $filename = shift)) { |
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v0.11.0: More fixes; Configuration files are now re-read when HUP signal is
Matti Hamalainen <ccr@tnsp.org>
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37
diff
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|
1299 push(@configfiles, $filename); |
0
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Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
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|
1300 } |
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Initial import of maltfilter development version.
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|
1301 |
39
d96229159abc
v0.11.0: More fixes; Configuration files are now re-read when HUP signal is
Matti Hamalainen <ccr@tnsp.org>
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37
diff
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|
1302 malt_configure(); |
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Matti Hamalainen <ccr@tnsp.org>
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diff
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|
1303 |
0
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|
1304 # Open logfile |
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Matti Hamalainen <ccr@tnsp.org>
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|
1305 if ($settings{"DRY_RUN"}) { |
66
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|
1306 print STDERR |
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1307 "*********************************\n". |
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1308 "* NOTICE! DRY-RUN MODE ENABLED! *\n". |
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1309 "*********************************\n"; |
0
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1310 } elsif ($settings{"LOGFILE"} ne "") { |
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1311 open($LOGFILE, ">>", $settings{"LOGFILE"}) or die("Could not open logfile '".$settings{"LOGFILE"}."' for writing!\n"); |
63
6917de5b91be
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1312 select((select($LOGFILE), $| = 1)[0]); |
0
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|
1313 mlog(-1, "Log started\n"); |
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1314 } |
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|
1315 |
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|
1316 # Initialize |
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|
1317 malt_init(); |
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|
1318 |
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|
1319 # Fork to background, unless dry-running |
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|
1320 if ($settings{"DRY_RUN"}) { |
15
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1321 if ($reportmode) { |
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1322 malt_maintenance(); |
11
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diff
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1323 malt_cleanup(); |
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diff
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1324 } else { |
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1325 malt_scan(); |
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1326 malt_cleanup(); |
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1327 } |
0
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1328 } else { |
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1329 if (my $pid = fork) { |
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1330 open(PIDFILE, ">", $pid_file) or mdie("Could not open pid file '".$pid_file."' for writing!\n"); |
0
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|
1331 print PIDFILE "$pid\n"; |
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|
1332 close(PIDFILE); |
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1333 } else { |
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|
1334 malt_scan(); |
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|
1335 malt_cleanup(); |
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|
1336 } |
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|
1337 } |