Mercurial > hg > maltfilter
annotate maltfilter @ 62:924720517cf9
Fix initialization of hash structure part, this fixes resetting of class hits to 1.
author | Matti Hamalainen <ccr@tnsp.org> |
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date | Mon, 17 Aug 2009 08:41:10 +0300 |
parents | 38885f5f34f6 |
children | 6917de5b91be |
rev | line source |
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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 |
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15 my $progversion = "0.14.0"; |
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16 my $progbanner = |
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17 "Malicious Attack Livid Termination Filter daemon (maltfilter) v$progversion\n". |
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18 "Programmed by Matti 'ccr' Hamalainen <ccr\@tnsp.org>\n". |
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19 "(C) Copyright 2009 Tecnic Software productions (TNSP)\n"; |
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20 |
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21 ############################################################################# |
40
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22 ### Default settings and configuration |
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23 ############################################################################# |
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24 my %settings = ( |
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25 "VERBOSITY" => 3, |
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26 "DRY_RUN" => 1, |
26
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27 "WEED_BLOCK" => 168, |
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28 "WEED_GLOBAL" => 336, |
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29 "TRESHOLD" => 3, |
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30 "ACTION" => "DROP", |
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31 "LOGFILE" => "", |
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32 "IPTABLES" => "/sbin/iptables", |
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33 |
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34 "FULL_TIME" => 1, |
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35 "STATUS_FILE_PLAIN" => "", |
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36 "STATUS_FILE_HTML" => "", |
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37 "STATUS_FILE_CSS" => "", |
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38 "WHOIS_URL" => "http://whois.domaintools.com/", |
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39 |
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40 "CHK_SSHD" => 1, |
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41 "CHK_KNOWN_CGI" => 1, |
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42 "CHK_PHP_XSS" => 1, |
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43 "CHK_PROXY_SCAN" => 1, |
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44 "CHK_ROOT_SSH_PWD" => 0, |
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v0.11.0: More fixes; Configuration files are now re-read when HUP signal is
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45 "CHK_SYSACCT_SSH_PWD" => 0, |
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46 "CHK_GOOD_HOSTS" => "", |
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47 |
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48 "PASSWD" => "/etc/passwd", |
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49 "SYSACCT_MIN_UID" => 1, |
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50 "SYSACCT_MAX_UID" => 100, |
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51 |
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52 "EVIDENCE" => 0, |
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53 "EVIDENCE_DIR" => "", |
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54 ); |
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55 |
7 | 56 my @noblock_ips_def = ( |
57 "127.0.0.1", | |
58 ); | |
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59 |
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60 my %systemacct = (); |
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61 |
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62 ############################################################################# |
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63 ### Check given logfile line for matches |
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64 ############################################################################# |
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65 sub check_log_line($) |
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66 { |
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67 # (1) SSHD scans |
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68 if (/^(\S+\s+\d+\s+\d\d:\d\d:\d\d)\s+\S+\s+sshd\S*?: (.*)/) { |
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69 my $mdate = $1; |
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70 my $merr = $2; |
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71 |
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72 # (1.1) Generic login scan attempts |
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73 if ($merr =~ /^Failed password for invalid user (\S+) from (\d+\.\d+\.\d+\.\d+)/) { |
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74 check_add_hit($2, $mdate, "SSH login scan", "", $settings{"CHK_SSHD"}); |
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75 } |
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76 # (1.2) Root account SSH login password bruteforcing attempts. |
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77 elsif (/^Failed password for root from (\d+\.\d+\.\d+\.\d+)/) { |
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78 check_add_hit($1, $mdate, "Root SSH password bruteforce", "", $settings{"CHK_ROOT_SSH_PWD"}); |
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79 } |
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80 # (1.3) System account SSH login password bruteforcing attempts. |
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81 if ($merr =~ /^Failed password for (\S+) from (\d+\.\d+\.\d+\.\d+)/) { |
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82 my $mip = $2; my $macct = $1; |
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83 if (defined($systemacct{$macct})) { |
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84 check_add_hit($mip, $mdate, "SSH system account bruteforce", $macct, $settings{"CHK_SYSACCT_SSH_PWD"}); |
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85 } |
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86 } |
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87 } |
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88 # (2) Common/known vulnerable CGI/PHP software scans (like phpMyAdmin) |
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89 elsif (/^\[(.+?)\]\s+\[error\]\s+\[client\s+(\d+\.\d+\.\d+\.\d+)\]\s+(.+)$/) { |
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90 my $mdate = $1; |
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91 my $mip = $2; |
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92 my $merr = $3; |
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93 if ($merr =~ /^File does not exist: (.+)$/) { |
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94 my $tmp = $1; |
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95 if ($tmp =~ /\/mss2|\/pma|admin|sql|\/roundcube|\/webmail|\/bin|\/mail|xampp|zen|mailto:|appserv|cube|round|_vti_bin|wiki/i) { |
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96 check_add_hit($mip, $mdate, "CGI vuln scan", $tmp, $settings{"CHK_KNOWN_CGI"}); |
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97 } |
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98 } |
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99 } |
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100 # (3) Apache common logging format checks |
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101 elsif (/(\d+\.\d+\.\d+\.\d+)\s+-\s+-\s+\[(.+?)\]\s+\"GET (\S*?) HTTP\//) { |
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102 my $mdate = $2; |
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103 my $mip = $1; |
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104 my $merr = $3; |
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105 |
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106 # (3.1) Simple match for generic PHP XSS vulnerability scans |
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107 if ($merr =~ /\.php\?\S*?=http:\/\/([^\/]+)/) { |
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108 if (!check_hosts($settings{"CHK_GOOD_HOSTS"}, $1)) { |
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109 if ($merr =~ /\.php\?\S*?=(http:\/\/[^\&\?]+\??)/) { |
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110 check_add_evidence($mip, $1); |
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111 } |
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112 check_add_hit($mip, $mdate, "PHP XSS", $merr, $settings{"CHK_PHP_XSS"}); |
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113 } |
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114 } |
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115 # (3.2) Try to match proxy scanning attempts |
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116 elsif ($merr =~ /^http:\/\/([^\/]+)/) { |
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117 if (!check_hosts($settings{"CHK_GOOD_HOSTS"}, $1)) { |
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118 check_add_hit($mip, $mdate, "Proxy scan", $merr, $settings{"CHK_PROXY_SCAN"}); |
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119 } |
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120 } |
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121 } |
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122 } |
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123 |
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124 |
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125 ############################################################################# |
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126 ### Global variables |
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127 ############################################################################# |
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128 my $reportmode = 0; # Full report mode |
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129 my @scanfiles = (); # Files to scan |
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130 my @scanfiles_once = (); # Files to scan only once during startup or HUP (e.g. not continuously followed) |
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131 my @noblock_ips = (); # IPs not to block |
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132 my %filehandles = (); # Global hash holding opened scanned log filehandles |
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133 my $pid_file = ""; # Name of Maltfilter daemon pid file |
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134 my @configfiles = (); # Array of configuration file names |
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135 my $LOGFILE; # Maltfilter logfile handle |
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136 |
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137 # IPs currently blocked in Netfilter $blocklist{$ip} = date |
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138 my %blocklist = (); |
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139 |
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140 # Gathered information about hosts |
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141 # $statlist{$ip}-> |
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142 # "date1" = timestamp of first hit |
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143 # "date2" = timestamp of latest hit |
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144 # "hits" = number of hits to this IP |
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145 # $statlist{$ip}{"reason"}{$class}-> |
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146 # "msg" = reason message (array if $reportmode) |
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147 # "hits" = hits to this class |
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148 # "date1" = timestamp of first hit |
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149 # "date2" = timestamp of latest hit |
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150 my %statlist = (); |
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151 |
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152 # Gathered information about ignored hits (e.g. hits for tests that are not enabled) |
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153 # Same fields as in %statlist |
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154 my %ignorelist = (); |
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155 |
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156 |
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157 ############################################################################# |
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158 ### Status output functionality |
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159 ############################################################################# |
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160 sub urlencode($) |
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161 { |
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162 my $value = $_[0]; |
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163 $value =~ s/([^a-zA-Z_0-9 ])/"%" . uc(sprintf "%lx" , unpack("C", $1))/eg; |
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164 $value =~ tr/ /+/; |
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165 return $value; |
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166 } |
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167 |
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168 my %entities = ( |
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169 "<" => "lt", |
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170 ">" => "gt", |
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171 "&" => "amp", |
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172 ); |
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173 |
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174 sub htmlentities($) |
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175 { |
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176 my $value = $_[0]; |
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177 # $value =~ s/([keys %entities])/"&".$entities{$1}.";"/eg; |
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178 foreach my $val (keys %entities) { |
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179 $value =~ s/$val/\&$entities{$val}\;/g; |
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180 } |
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181 return $value; |
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182 } |
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183 |
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184 sub get_time_str($) |
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185 { |
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186 if ($_[0] >= 0) { |
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187 return scalar localtime($_[0]); |
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188 } else { |
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189 return "?"; |
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190 } |
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191 } |
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192 |
40
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193 my @paskat = (30*24*60*60, 7*24*60*60, 24*60*60, 60*60, 60); |
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194 my @opaskat = ("months", "weeks", "days", "hours", "minutes"); |
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195 my @upaskat = ("month", "week", "day", "hour", "minute"); |
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196 |
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197 sub get_ago_str($) |
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198 { |
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199 return get_time_str($_[0]) if ($settings{"FULL_TIME"}); |
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200 if ($_[0] >= 0) { |
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201 my $str = ""; |
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202 my $cur = time() - $_[0]; |
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203 my ($r, $k, $p, $n); |
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204 $n = 0; |
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205 foreach my $div (@paskat) { |
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206 $r = int($cur / $div); |
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207 $k = ($cur % $div); |
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208 if ($r > 0) { |
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209 $p = ($r > 1) ? $opaskat[$n] : $upaskat[$n]; |
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210 $str .= ", " if ($str ne ""); |
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211 $str .= sprintf("%d %s", $r, $p); |
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212 } |
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213 $cur = $k; |
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214 $n++; |
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215 } |
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216 return $str." ago"; |
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217 } else { |
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218 return "?"; |
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219 } |
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220 } |
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221 |
11
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222 sub printH($$$$) |
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223 { |
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224 my $fh = $_[1]; |
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225 if ($_[0]) { |
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226 print $fh "<h".$_[2].">".$_[3]."</h".$_[2].">\n"; |
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227 } else { |
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228 my $c = ($_[2] <= 1) ? "=" : "-"; |
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229 print $fh $_[3]."\n". $c x length($_[3]) ."\n"; |
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230 } |
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231 } |
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232 |
32
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233 sub printTD |
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234 { |
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235 my $fh = $_[1]; |
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236 if ($_[0]) { |
52
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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237 my $s = defined($_[3]) ? " ".$_[3]." " : ""; |
32
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238 print $fh "<td".$s.">".$_[2]."</td>"; |
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239 } else { |
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240 print $fh $_[2]; |
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241 } |
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242 } |
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|
243 |
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244 sub printP($$$) |
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245 { |
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246 my $fh = $_[1]; |
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247 if ($_[0]) { |
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248 print $fh "<p>\n".$_[2]."</p>\n"; |
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249 } else { |
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250 print $fh $_[2]."\n"; |
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251 } |
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252 } |
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253 |
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254 sub printElem |
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255 { |
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256 my $fh = $_[1]; |
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257 if ($_[0]) { |
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258 print $fh $_[2]; |
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259 } elsif (defined($_[3])) { |
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260 print $fh $_[3]; |
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261 } |
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262 } |
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263 |
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264 sub bb($) |
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265 { |
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266 return $_[0] ? "<b>" : ""; |
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267 } |
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268 |
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269 sub eb($) |
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270 { |
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271 return $_[0] ? "</b>" : ""; |
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272 } |
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273 |
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274 sub pe($$) |
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275 { |
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276 return $_[0] ? "<$_[1]>" : ""; |
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277 } |
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278 |
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279 sub get_link($$) |
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280 { |
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281 if ($settings{"WHOIS_URL"} ne "") { |
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282 return $_[0] ? "<a href=\"".$settings{"WHOIS_URL"}.$_[1]. |
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283 "\">".htmlentities($_[1])."</a>" : $_[1]; |
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284 } else { |
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285 return $_[0]; |
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286 } |
13
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287 } |
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288 |
40
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289 sub print_table1($$$$$$) |
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290 { |
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291 my ($m, $f, $table, $keys, $func, $class) = @_; |
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292 my $ntotal = 0; |
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293 |
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294 printElem($m, $f, |
40
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295 "<table class=\"".$class."\">\n". |
17
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296 "<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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297 |
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298 "Hits | IP-address | First hit | Latest hit | Reason(s)\n" |
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299 ); |
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300 |
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301 foreach my $mip (sort { $func->($table, $a, $b) } keys %{$keys}) { |
32
e7e484c89dbc
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302 my $blocked = defined($blocklist{$mip}) ? "blocked" : "unblocked"; |
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303 printElem($m, $f, " <tr class=\"$blocked\">"); |
17
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304 printTD($m, $f, sprintf(bb($m)."%-10d".eb($m), $table->{$mip}{"hits"})); |
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305 printElem(!$m, $f, " | "); |
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306 printTD($m, $f, sprintf("%-15s", get_link($m, $mip))); |
17
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307 printElem(!$m, $f, " | "); |
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308 printTD($m, $f, get_ago_str($table->{$mip}{"date1"})); |
17
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309 printElem(!$m, $f, " | "); |
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310 printTD($m, $f, get_ago_str($table->{$mip}{"date2"})); |
17
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311 printElem(!$m, $f, " | "); |
16
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312 my @reasons = (); |
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313 foreach my $class (sort keys %{$table->{$mip}{"reason"}}) { |
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Many changes and cleanups. Works again.
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314 my $msgs; |
18
b0017a324040
Cleanups; Disable weeding in report mode again; Don't display redundant IPTABLES reasons in blocklist report.
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|
315 if ($class ne "IPTABLES") { |
16
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|
316 if ($reportmode) { |
18
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|
317 my @tmp = reverse(@{$table->{$mip}{"reason"}{$class}{"msg"}}); |
16
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318 if ($#tmp > 5) { $#tmp = 5; } |
17
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|
319 foreach (@tmp) { $_ = htmlentities($_); } |
16
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|
320 $msgs = join(" ".bb($m)."|".eb($m)." ", @tmp); |
87c0cdc048f5
Many changes and cleanups. Works again.
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|
321 } else { |
87c0cdc048f5
Many changes and cleanups. Works again.
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|
322 $msgs = $table->{$mip}{"reason"}{$class}{"msg"}; |
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|
323 } |
17
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|
324 push(@reasons, bb($m).$class.eb($m)." #".$table->{$mip}{"reason"}{$class}{"hits"}. |
fe220b5a975a
Cleanups, add configuration for WHOIS linking.
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|
325 " ( ".$msgs." )"); |
18
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|
326 } |
16
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Many changes and cleanups. Works again.
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|
327 } |
87c0cdc048f5
Many changes and cleanups. Works again.
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|
328 printTD($m, $f, join(", ", @reasons)); |
17
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|
329 printElem($m, $f, "</tr>\n", "\n"); |
16
87c0cdc048f5
Many changes and cleanups. Works again.
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|
330 $ntotal++; |
87c0cdc048f5
Many changes and cleanups. Works again.
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parents:
15
diff
changeset
|
331 } |
87c0cdc048f5
Many changes and cleanups. Works again.
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parents:
15
diff
changeset
|
332 printElem($m, $f, "</table>\n"); |
87c0cdc048f5
Many changes and cleanups. Works again.
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|
333 printP($m, $f, bb($m).$ntotal.eb($m)." entries total.\n"); |
87c0cdc048f5
Many changes and cleanups. Works again.
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|
334 } |
87c0cdc048f5
Many changes and cleanups. Works again.
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diff
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|
335 |
52
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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49
diff
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|
336 sub cmp_ips($$$) |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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|
337 { |
8cfb71b296da
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changeset
|
338 my @ipa = split(/\./, $_[1]); |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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diff
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|
339 my @ipb = split(/\./, $_[2]); |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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diff
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|
340 for (my $i = 0; $i < 4; $i++) { |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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|
341 return -1 if ($ipa[$i] > $ipb[$i]); |
8cfb71b296da
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|
342 return 1 if ($ipa[$i] < $ipb[$i]); |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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|
343 } |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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|
344 return 0; |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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|
345 } |
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Added colour-coded grouping of IP addresses in summary table.
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diff
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|
346 |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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|
347 sub test_ips($$) |
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|
348 { |
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Added colour-coded grouping of IP addresses in summary table.
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|
349 my @ipa = split(/\./, $_[0]); |
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|
350 my @ipb = split(/\./, $_[1]); |
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|
351 for (my $i = 0; $i < 3; $i++) { |
8cfb71b296da
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|
352 return $i if ($ipa[$i] != $ipb[$i]); |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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|
353 } |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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|
354 return 4; |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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diff
changeset
|
355 } |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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diff
changeset
|
356 |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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diff
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|
357 my @ipcolors = ( |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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|
358 "#666", |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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changeset
|
359 "#777", |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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|
360 ); |
17
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|
361 |
40
24babaa1e331
Many cleanups and fixes; Example configuration updated.
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diff
changeset
|
362 sub print_table2($$$$$$) |
16
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Many changes and cleanups. Works again.
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diff
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|
363 { |
40
24babaa1e331
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39
diff
changeset
|
364 my ($m, $f, $table, $keys, $func, $class) = @_; |
16
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|
365 my $nhits = 0; |
40
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|
366 my $str = "<th>IP-address</th><th>Hits</th><th>First hit</th><th>Latest hit</th><th>Class</th>"; |
24babaa1e331
Many cleanups and fixes; Example configuration updated.
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39
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changeset
|
367 my $str2 = "IP-address | Hits | First hit | Latest hit | Class "; |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
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changeset
|
368 |
17
fe220b5a975a
Cleanups, add configuration for WHOIS linking.
Matti Hamalainen <ccr@tnsp.org>
parents:
16
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changeset
|
369 printElem($m, $f, |
40
24babaa1e331
Many cleanups and fixes; Example configuration updated.
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diff
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|
370 "<table class=\"".$class."\">\n<tr>". $str."<th> </th>".$str ."</tr>\n", |
17
fe220b5a975a
Cleanups, add configuration for WHOIS linking.
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parents:
16
diff
changeset
|
371 $str2." || ".$str2."\n"); |
52
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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diff
changeset
|
372 |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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diff
changeset
|
373 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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changeset
|
374 my @ncolor = (0, 0); |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
375 |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
376 my $printEntry = sub { |
52
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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|
377 my $blocked = "class=\"".(defined($blocklist{$_[0]}) ? "blocked" : "unblocked")."\""; |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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|
378 if (test_ips($previp[$_[1]], $_[0]) < 3) { |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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diff
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|
379 $ncolor[$_[1]]++; |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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|
380 } |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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parents:
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changeset
|
381 $previp[$_[1]] = $_[0]; |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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diff
changeset
|
382 my $str = "style=\"background: ".$ipcolors[$ncolor[$_[1]] % scalar @ipcolors].";\""; |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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parents:
49
diff
changeset
|
383 |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
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parents:
49
diff
changeset
|
384 printTD($m, $f, sprintf("%-15s", get_link($m, $_[0])), $str); |
17
fe220b5a975a
Cleanups, add configuration for WHOIS linking.
Matti Hamalainen <ccr@tnsp.org>
parents:
16
diff
changeset
|
385 printElem(!$m, $f, " | "); |
32
e7e484c89dbc
Added highlighting of blocked entries in summary tables.
Matti Hamalainen <ccr@tnsp.org>
parents:
30
diff
changeset
|
386 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
|
387 printElem(!$m, $f, " | "); |
40
24babaa1e331
Many cleanups and fixes; Example configuration updated.
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diff
changeset
|
388 printTD($m, $f, get_ago_str($table->{$_[0]}{"date1"}), $blocked); |
17
fe220b5a975a
Cleanups, add configuration for WHOIS linking.
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parents:
16
diff
changeset
|
389 printElem(!$m, $f, " | "); |
40
24babaa1e331
Many cleanups and fixes; Example configuration updated.
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parents:
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diff
changeset
|
390 printTD($m, $f, get_ago_str($table->{$_[0]}{"date2"}), $blocked); |
24babaa1e331
Many cleanups and fixes; Example configuration updated.
Matti Hamalainen <ccr@tnsp.org>
parents:
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diff
changeset
|
391 printElem(!$m, $f, " | "); |
24babaa1e331
Many cleanups and fixes; Example configuration updated.
Matti Hamalainen <ccr@tnsp.org>
parents:
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diff
changeset
|
392 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
|
393 printTD($m, $f, sprintf("%-30s", $tmp), $blocked); |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
394 $nhits += $table->{$_[0]}{"hits"}; |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
395 }; |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
396 |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
397 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
|
398 my $nkeys = scalar @mkeys; |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
399 my $kmax = $nkeys / 2; |
52
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
Matti Hamalainen <ccr@tnsp.org>
parents:
49
diff
changeset
|
400 |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
401 for (my $i = 0; $i <= $kmax; $i++) { |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
402 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
|
403 if ($i < $kmax) { |
52
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
Matti Hamalainen <ccr@tnsp.org>
parents:
49
diff
changeset
|
404 $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
|
405 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
|
406 } |
52
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
Matti Hamalainen <ccr@tnsp.org>
parents:
49
diff
changeset
|
407 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
|
408 printElem($m, $f, "</tr>\n", "\n"); |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
409 } |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
410 |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
411 printElem($m, $f, "</table>\n"); |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
412 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
|
413 } |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
414 |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
415 sub cmp_hits($$$) |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
416 { |
60
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
417 my $s1 = $_[0]->{$_[1]}; |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
418 my $s2 = $_[0]->{$_[2]}; |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
419 |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
420 return -1 if ($s2->{"date2"} < $s1->{"date2"}); |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
421 return 1 if ($s2->{"date2"} > $s1->{"date2"}); |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
422 return $s2->{"hits"} <=> $s1->{"hits"}; |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
423 } |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
424 |
26
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
parents:
25
diff
changeset
|
425 sub get_period($) |
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
parents:
25
diff
changeset
|
426 { |
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
parents:
25
diff
changeset
|
427 my ($str, $r, $k); |
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
parents:
25
diff
changeset
|
428 if ($_[0] > 30 * 24) { |
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
parents:
25
diff
changeset
|
429 $r = $_[0] / (30 * 24); |
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
parents:
25
diff
changeset
|
430 $k = $_[0] % (30 * 24); |
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
parents:
25
diff
changeset
|
431 $str = sprintf("%d months", $r); |
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
parents:
25
diff
changeset
|
432 $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
|
433 } elsif ($_[0] > 24 * 7) { |
29
6d3e33e9ee9b
Oops, fix printing of weeks.
Matti Hamalainen <ccr@tnsp.org>
parents:
27
diff
changeset
|
434 $str = sprintf("%1.1f weeks", $_[0] / (24.0 * 7.0)); |
26
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
parents:
25
diff
changeset
|
435 } elsif ($_[0] > 24) { |
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
parents:
25
diff
changeset
|
436 $r = $_[0] / 24; |
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
parents:
25
diff
changeset
|
437 $k = $_[0] % 24; |
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
parents:
25
diff
changeset
|
438 $str = sprintf("%d days", $r); |
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
parents:
25
diff
changeset
|
439 $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
|
440 } else { |
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
parents:
25
diff
changeset
|
441 $str = sprintf("%d hours", $_[0]); |
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
parents:
25
diff
changeset
|
442 } |
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
parents:
25
diff
changeset
|
443 return $str; |
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
parents:
25
diff
changeset
|
444 } |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
445 |
11
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
446 sub generate_status($$) |
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
447 { |
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
448 my $filename = shift; |
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
449 my $m = shift; |
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
450 |
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
451 return unless ($filename ne ""); |
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
452 |
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
|
453 open(STATUS, ">", $filename) or mdie("Could not open '".$filename."'!\n"); |
11
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
454 my $f = \*STATUS; |
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
455 |
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
456 printElem($m, $f, " |
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
457 <html> |
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
458 <head> |
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
459 <title>Maltfilter status report</title> |
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
460 "); |
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
461 |
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
462 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
|
463 if ($settings{"STATUS_FILE_CSS"}); |
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
464 |
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
465 printElem($m, $f, " |
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
466 </head> |
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
467 <body> |
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
468 "); |
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 printH($m, $f, 1, "Maltfilter v$progversion status report"); |
26
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
parents:
25
diff
changeset
|
471 my $period = get_period($settings{"WEED_GLOBAL"}); |
11
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
472 |
13
fc053b001027
Improved reporting and documentation.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
473 printP($m, $f, |
40
24babaa1e331
Many cleanups and fixes; Example configuration updated.
Matti Hamalainen <ccr@tnsp.org>
parents:
39
diff
changeset
|
474 "Generated ".bb($m).get_time_str(time()).eb($m).". Data computed from ". |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
475 ($reportmode ? "complete logfile scan" : "a period of last $period").".\n"); |
26
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
parents:
25
diff
changeset
|
476 |
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
|
477 printP($m, $f, "The hit classes marked as 'IPTABLES' are a pseudo-class meaning an\n". |
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
|
478 "blocked IP that was in Netfilter before Maltfilter was started.\n"); |
13
fc053b001027
Improved reporting and documentation.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
479 |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
480 printH($m, $f, 2, "Currently blocked entries"); |
26
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
parents:
25
diff
changeset
|
481 $period = get_period($settings{"WEED_BLOCK"}); |
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
|
482 printP($m, $f, "List of IPs that are currently blocked (or would be, if this is\n". |
26
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
parents:
25
diff
changeset
|
483 "a report-only mode). Data from period of $period.\n"); |
40
24babaa1e331
Many cleanups and fixes; Example configuration updated.
Matti Hamalainen <ccr@tnsp.org>
parents:
39
diff
changeset
|
484 print_table1($m, $f, \%statlist, \%blocklist, \&cmp_hits, "blocked"); |
11
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
485 |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
486 printH($m, $f, 2, "Summary of non-ignored entries"); |
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
|
487 printP($m, $f, "List of 'hits' of suspicious activity noticed by Maltfilter, but not\n". |
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
|
488 "necessarily acted upon. Sorted by descending IP address.\n"); |
40
24babaa1e331
Many cleanups and fixes; Example configuration updated.
Matti Hamalainen <ccr@tnsp.org>
parents:
39
diff
changeset
|
489 print_table2($m, $f, \%statlist, \%statlist, \&cmp_ips, "global"); |
11
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
490 |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
491 printH($m, $f, 2, "Ignored entries"); |
52
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
Matti Hamalainen <ccr@tnsp.org>
parents:
49
diff
changeset
|
492 printP($m, $f, "List of hits that were ignored (not acted upon), because the test was disabled.\n". |
8cfb71b296da
Added colour-coded grouping of IP addresses in summary table.
Matti Hamalainen <ccr@tnsp.org>
parents:
49
diff
changeset
|
493 "Notice that the entry may be blocked due to other checks, however.\n"); |
40
24babaa1e331
Many cleanups and fixes; Example configuration updated.
Matti Hamalainen <ccr@tnsp.org>
parents:
39
diff
changeset
|
494 print_table1($m, $f, \%ignorelist, \%ignorelist, \&cmp_hits, "ignored"); |
11
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
495 |
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
496 printElem($m, $f, "</body>\n</html>\n"); |
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
497 close(STATUS); |
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
498 } |
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
499 |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
500 |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
501 ############################################################################# |
60
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
502 ### Evidence gathering |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
503 ############################################################################# |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
504 my %evidence = (); |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
505 |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
506 sub check_add_evidence($$) |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
507 { |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
508 my ($mip, $mdata) = @_; |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
509 |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
510 return unless ($settings{"EVIDENCE"}); |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
511 |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
512 my $tmp = $mdata; |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
513 $tmp =~ s/http:\/\///; |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
514 $tmp =~ s/^\.+/_/; |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
515 $tmp =~ s/[^A-Za-z0-9:\.]/_/g; |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
516 |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
517 $evidence{$mdata}{"coll"} = $tmp; |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
518 $evidence{$mdata}{"hosts"}{$mip} = 1; |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
519 } |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
520 |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
521 sub http_fetch($$) |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
522 { |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
523 my $tmp = LWP::UserAgent->new; |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
524 $tmp->agent("-"); |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
525 $tmp->timeout(10); |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
526 $tmp->default_headers->referer($_[1]); |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
527 my $req = HTTP::Request->new(GET => $_[0]); |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
528 return $tmp->request($req); |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
529 } |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
530 |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
531 sub gather_evidence |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
532 { |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
533 my $dns = Net::DNS::Resolver->new; |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
534 my $base = $settings{"EVIDENCE_DIR"}; |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
535 |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
536 return unless ($settings{"EVIDENCE"}); |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
537 |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
538 mdie("Evidence directory '$base' has disappeared.\n") unless (-e $base); |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
539 |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
540 foreach my $url (keys %evidence) { |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
541 if (!$evidence{$url}{"done"}) { |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
542 my $filename = $base."/".$evidence{$url}{"coll"}.".data"; |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
543 my $filename2 = $base."/".$evidence{$url}{"coll"}.".hosts"; |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
544 my $code = 0; |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
545 my $message = ""; |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
546 |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
547 # Get data contents only once |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
548 if (! -e $filename) { |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
549 mlog(1, "Fetching evidence for $url\n"); |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
550 my $res = http_fetch($url, ""); |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
551 $code = $res->code; |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
552 $message = $res->message; |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
553 open(FILE, ">:raw", $filename) or mdie("Could not open '$filename' for writing.\n"); |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
554 binmode(FILE, ":raw"); |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
555 if ($res->code >= 200 && $res->code <= 201) { |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
556 print FILE $res->content; |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
557 } else { |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
558 print FILE "[$code] $message\n"; |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
559 } |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
560 close(FILE); |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
561 } |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
562 |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
563 # Check if we are appending hosts to existing data |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
564 if (-e $filename2) { |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
565 open(FILE, "<", $filename2) or mdie("Could not open '$filename2' for reading.\n"); |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
566 while (<FILE>) { |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
567 if (/^(\d+\.\d+\.\d+\.\d+) *\|/) { |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
568 if (defined($evidence{$url}{"hosts"}{$1})) { |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
569 delete($evidence{$url}{"hosts"}{$1}); |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
570 } |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
571 } |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
572 } |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
573 close(FILE); |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
574 open(FILE, ">>", $filename2) or mdie("Could not open '$filename2' for appending.\n"); |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
575 } else { |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
576 open(FILE, ">", $filename2) or mdie("Could not open '$filename2' for writing.\n"); |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
577 print FILE "# HTTP request result: [$code] $message\n"; |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
578 print FILE "# Hosts which requested $url\n\n"; |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
579 } |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
580 |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
581 foreach my $host (sort keys %{$evidence{$url}{"hosts"}}) { |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
582 print "lol: $host\n"; |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
583 my $query = $dns->search($host); |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
584 my @names = (); |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
585 undef(@names); |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
586 if ($query) { |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
587 foreach my $rr ($query->answer) { |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
588 push(@names, $rr->{"ptrdname"}) if defined($rr->{"ptrdname"}); |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
589 } |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
590 } |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
591 printf FILE "%-15s | %s\n", $host, join(" | ", @names); |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
592 } |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
593 close(FILE); |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
594 |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
595 delete($evidence{$url}); |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
596 |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
597 return unless $reportmode; |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
598 } |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
599 } |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
600 } |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
601 |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
602 |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
603 ############################################################################# |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
604 ### Entry management / handling functions |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
605 ############################################################################# |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
606 ### 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
|
607 sub check_hosts_array($$) |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
608 { |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
609 my $chk_host = $_[1]; |
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Cleanups in progress, does not work.
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parents:
13
diff
changeset
|
610 my $chk_ip = new Net::IP($chk_host); |
b05d0f0ff106
Cleanups in progress, does not work.
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parents:
13
diff
changeset
|
611 foreach my $host (@{$_[0]}) { |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
612 if ($chk_host eq $host) { |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
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|
613 return 1; |
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Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
614 } |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
615 my $ip = new Net::IP($host); |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
616 if (defined($chk_ip) && defined($ip)) { |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
617 if ($chk_ip->binip() eq $ip->binip()) { |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
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|
618 return 1; |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
619 } |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
620 } |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
621 } |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
622 return 0; |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
623 } |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
624 |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
625 ### 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
|
626 sub check_hosts($$) |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
627 { |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
628 my @tmp = split(/\s*\|\s*/, $_[0]); |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
629 return check_hosts_array(\@tmp, $_[1]); |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
630 } |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
631 |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
632 ### Execute iptables |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
633 sub exec_iptables(@) |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
634 { |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
635 my @args = ($settings{"IPTABLES"}, @_); |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
636 if ($settings{"DRY_RUN"}) { |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
637 mlog(3, ":: ".join(" ", @args)."\n"); |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
638 } else { |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
639 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
|
640 } |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
641 } |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
642 |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
643 ### Get current Netfilter INPUT table entries that match |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
644 ### entry types we manage, e.g. blocklist |
54
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
645 sub update_blocklist($) |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
646 { |
54
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
647 # NOTICE: argument not used now |
60
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
648 my $first = $_[0]; |
54
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
649 |
17
fe220b5a975a
Cleanups, add configuration for WHOIS linking.
Matti Hamalainen <ccr@tnsp.org>
parents:
16
diff
changeset
|
650 $ENV{"PATH"} = ""; |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
651 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
|
652 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
|
653 my %newlist = (); |
cb0a4b747cf0
Handle importing of current netfilter entries differently.
Matti Hamalainen <ccr@tnsp.org>
parents:
21
diff
changeset
|
654 undef(%newlist); |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
655 while (<STATUS>) { |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
656 chomp; |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
657 if (/^\s*(\d+)\s+\d+\s+$settings{"ACTION"}\s+all\s+--\s+\*\s+\*\s+(\d+\.\d+\.\d+\.\d+)\s+0\.0\.0\.0\/0\s*$/) { |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
658 my $mip = $2; |
20
429b42047d04
Fix blocklist entry updating.
Matti Hamalainen <ccr@tnsp.org>
parents:
18
diff
changeset
|
659 my $mdate = time(); |
429b42047d04
Fix blocklist entry updating.
Matti Hamalainen <ccr@tnsp.org>
parents:
18
diff
changeset
|
660 if (!defined($blocklist{$mip})) { |
60
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
661 mlog(2, "* $mip appeared in iptables.\n") if ($first > 0); |
20
429b42047d04
Fix blocklist entry updating.
Matti Hamalainen <ccr@tnsp.org>
parents:
18
diff
changeset
|
662 $blocklist{$2} = $mdate; |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
663 } |
23
cb0a4b747cf0
Handle importing of current netfilter entries differently.
Matti Hamalainen <ccr@tnsp.org>
parents:
21
diff
changeset
|
664 $newlist{$2} = $mdate; |
53
dc072a56f343
Don't add hits when updating entries from netfilter.
Matti Hamalainen <ccr@tnsp.org>
parents:
52
diff
changeset
|
665 update_entry(\%statlist, $mip, -1, "IPTABLES", "", 0); |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
666 } |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
667 } |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
668 close(STATUS); |
23
cb0a4b747cf0
Handle importing of current netfilter entries differently.
Matti Hamalainen <ccr@tnsp.org>
parents:
21
diff
changeset
|
669 |
cb0a4b747cf0
Handle importing of current netfilter entries differently.
Matti Hamalainen <ccr@tnsp.org>
parents:
21
diff
changeset
|
670 foreach my $mip (keys %blocklist) { |
cb0a4b747cf0
Handle importing of current netfilter entries differently.
Matti Hamalainen <ccr@tnsp.org>
parents:
21
diff
changeset
|
671 if (!defined($newlist{$mip})) { |
cb0a4b747cf0
Handle importing of current netfilter entries differently.
Matti Hamalainen <ccr@tnsp.org>
parents:
21
diff
changeset
|
672 mlog(2, "* $mip removed from iptables.\n"); |
cb0a4b747cf0
Handle importing of current netfilter entries differently.
Matti Hamalainen <ccr@tnsp.org>
parents:
21
diff
changeset
|
673 delete($blocklist{$mip}); |
cb0a4b747cf0
Handle importing of current netfilter entries differently.
Matti Hamalainen <ccr@tnsp.org>
parents:
21
diff
changeset
|
674 } |
cb0a4b747cf0
Handle importing of current netfilter entries differently.
Matti Hamalainen <ccr@tnsp.org>
parents:
21
diff
changeset
|
675 } |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
676 } |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
677 |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
678 ### 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
|
679 ### 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
|
680 sub check_time1($) |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
681 { |
26
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
parents:
25
diff
changeset
|
682 return ($_[0] >= time() - ($settings{"WEED_BLOCK"} * 60 * 60)); |
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
parents:
25
diff
changeset
|
683 } |
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
parents:
25
diff
changeset
|
684 |
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
parents:
25
diff
changeset
|
685 sub check_time2($) |
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
parents:
25
diff
changeset
|
686 { |
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
parents:
25
diff
changeset
|
687 return ($_[0] >= time() - ($settings{"WEED_GLOBAL"} * 60 * 60)); |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
688 } |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
689 |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
690 ### Weed out old entries |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
691 sub weed_do($) |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
692 { |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
693 my $mtime = $blocklist{$_[0]}; |
59 | 694 mlog(2, "* Weeding $_[0] (".get_time_str($mtime).")\n"); |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
695 exec_iptables("-D", "INPUT", "-s", $_[0], "-d", "0.0.0.0/0", "-j", $settings{"ACTION"}); |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
696 delete($blocklist{$_[0]}); |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
697 delete($statlist{$_[0]}); |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
698 delete($ignorelist{$_[0]}); |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
699 } |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
700 |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
701 sub weed_entries() |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
702 { |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
703 # Don't weed in report mode. |
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
|
704 return if ($reportmode); |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
705 |
25
34dcb7462043
Sanitize weeding of entries, separating blocklist weeding from global lists.
Matti Hamalainen <ccr@tnsp.org>
parents:
24
diff
changeset
|
706 # Weed blocked entries. |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
707 my @mips = keys %blocklist; |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
708 foreach my $mip (@mips) { |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
709 if (defined($blocklist{$mip})) { |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
710 if ($blocklist{$mip} >= 0) { |
26
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
parents:
25
diff
changeset
|
711 weed_do($mip) unless check_time1($blocklist{$mip}); |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
712 } else { |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
713 weed_do($mip); |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
714 } |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
715 } |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
716 } |
25
34dcb7462043
Sanitize weeding of entries, separating blocklist weeding from global lists.
Matti Hamalainen <ccr@tnsp.org>
parents:
24
diff
changeset
|
717 |
34dcb7462043
Sanitize weeding of entries, separating blocklist weeding from global lists.
Matti Hamalainen <ccr@tnsp.org>
parents:
24
diff
changeset
|
718 # 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
|
719 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
|
720 if (defined($statlist{$mip})) { |
34dcb7462043
Sanitize weeding of entries, separating blocklist weeding from global lists.
Matti Hamalainen <ccr@tnsp.org>
parents:
24
diff
changeset
|
721 my $mtime = $statlist{$mip}{"date2"}; |
26
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
parents:
25
diff
changeset
|
722 if (!check_time2($mtime) && !defined($blocklist{$mip})) { |
40
24babaa1e331
Many cleanups and fixes; Example configuration updated.
Matti Hamalainen <ccr@tnsp.org>
parents:
39
diff
changeset
|
723 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
|
724 delete($statlist{$mip}); |
34dcb7462043
Sanitize weeding of entries, separating blocklist weeding from global lists.
Matti Hamalainen <ccr@tnsp.org>
parents:
24
diff
changeset
|
725 } |
34dcb7462043
Sanitize weeding of entries, separating blocklist weeding from global lists.
Matti Hamalainen <ccr@tnsp.org>
parents:
24
diff
changeset
|
726 } |
34dcb7462043
Sanitize weeding of entries, separating blocklist weeding from global lists.
Matti Hamalainen <ccr@tnsp.org>
parents:
24
diff
changeset
|
727 } |
34dcb7462043
Sanitize weeding of entries, separating blocklist weeding from global lists.
Matti Hamalainen <ccr@tnsp.org>
parents:
24
diff
changeset
|
728 |
34dcb7462043
Sanitize weeding of entries, separating blocklist weeding from global lists.
Matti Hamalainen <ccr@tnsp.org>
parents:
24
diff
changeset
|
729 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
|
730 if (defined($ignorelist{$mip})) { |
34dcb7462043
Sanitize weeding of entries, separating blocklist weeding from global lists.
Matti Hamalainen <ccr@tnsp.org>
parents:
24
diff
changeset
|
731 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
|
732 if (!check_time2($mtime)) { |
40
24babaa1e331
Many cleanups and fixes; Example configuration updated.
Matti Hamalainen <ccr@tnsp.org>
parents:
39
diff
changeset
|
733 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
|
734 delete($ignorelist{$mip}); |
34dcb7462043
Sanitize weeding of entries, separating blocklist weeding from global lists.
Matti Hamalainen <ccr@tnsp.org>
parents:
24
diff
changeset
|
735 } |
34dcb7462043
Sanitize weeding of entries, separating blocklist weeding from global lists.
Matti Hamalainen <ccr@tnsp.org>
parents:
24
diff
changeset
|
736 } |
34dcb7462043
Sanitize weeding of entries, separating blocklist weeding from global lists.
Matti Hamalainen <ccr@tnsp.org>
parents:
24
diff
changeset
|
737 } |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
738 } |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
739 |
54
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
740 ### 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
|
741 sub update_date($$) |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
742 { |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
743 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
|
744 $_[0]->{"date1"} = $_[1]; |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
745 } |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
746 if (!defined($_[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
|
747 $_[0]->{"date2"} = $_[1]; |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
748 } |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
749 } |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
750 |
53
dc072a56f343
Don't add hits when updating entries from netfilter.
Matti Hamalainen <ccr@tnsp.org>
parents:
52
diff
changeset
|
751 sub update_entry($$$$$$) |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
752 { |
53
dc072a56f343
Don't add hits when updating entries from netfilter.
Matti Hamalainen <ccr@tnsp.org>
parents:
52
diff
changeset
|
753 my ($struct, $mip, $mdate, $mclass, $mreason, $addhits) = @_; |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
754 |
54
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
755 $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
|
756 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
|
757 $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
|
758 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
|
759 |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
760 # 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
|
761 if ($addhits) { |
54
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
762 $entry->{"hits"}++; |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
763 $reason->{"hits"}++; |
53
dc072a56f343
Don't add hits when updating entries from netfilter.
Matti Hamalainen <ccr@tnsp.org>
parents:
52
diff
changeset
|
764 } else { |
54
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
765 $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
|
766 $reason->{"hits"} = 1 unless defined($reason->{"hits"}); |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
767 } |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
768 |
54
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
769 # 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
|
770 if ($reportmode) { |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
771 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
|
772 } else { |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
773 $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
|
774 } |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
775 |
54
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
776 # 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
|
777 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
|
778 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
|
779 |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
780 return $entry->{"hits"}; |
15
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 |
0
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
783 ### Check if given "try count" exceeds treshold and if entry |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
784 ### is NOT in Netfilter already, then add it if so. |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
785 sub check_add_hit($$$$$) |
0
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
786 { |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
787 my $mip = $_[0]; |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
788 my $mdate = str2time($_[1]); |
11
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
789 my $mclass = $_[2]; |
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
790 my $mreason = $_[3]; |
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
791 my $mcond = $_[4]; |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
792 my $cnt; |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
793 |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
794 if (check_hosts_array(\@noblock_ips, $mip)) { |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
795 mlog(3, "Hit to NOBLOCK_IPS($mip): [$mclass] $mreason\n"); |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
796 return; |
13
fc053b001027
Improved reporting and documentation.
Matti Hamalainen <ccr@tnsp.org>
parents:
11
diff
changeset
|
797 } |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
798 |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
799 # 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
|
800 if ($mcond) { |
53
dc072a56f343
Don't add hits when updating entries from netfilter.
Matti Hamalainen <ccr@tnsp.org>
parents:
52
diff
changeset
|
801 $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
|
802 } else { |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
803 # 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
|
804 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
|
805 return; |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
806 } |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
807 |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
808 # Check if we have exceeded treshold etc. |
26
61b6d742c49c
Separate WEEDPERIOD into WEED_BLOCK and WEED_GLOBAL settings.
Matti Hamalainen <ccr@tnsp.org>
parents:
25
diff
changeset
|
809 if ($cnt >= $settings{"TRESHOLD"} && check_time1($mdate)) { |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
810 # Add to blocklist, unless already there. |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
811 if (!defined($blocklist{$mip})) { |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
812 mlog(1, "* Adding $mip ($mdate): [$mclass] $mreason\n"); |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
813 exec_iptables("-I", "INPUT", "1", "-s", $mip, "-j", $settings{"ACTION"}); |
0
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
814 } |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
815 # Update date of last hit |
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
816 $blocklist{$mip} = $mdate; |
0
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
817 } |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
818 } |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
819 |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
820 |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
821 ############################################################################# |
11
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
822 ### Main helper functions |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
823 ############################################################################# |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
824 ### 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
|
825 sub mlog($$) |
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 my $level = shift; |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
828 my $msg = shift; |
23
cb0a4b747cf0
Handle importing of current netfilter entries differently.
Matti Hamalainen <ccr@tnsp.org>
parents:
21
diff
changeset
|
829 if ($LOGFILE) { |
40
24babaa1e331
Many cleanups and fixes; Example configuration updated.
Matti Hamalainen <ccr@tnsp.org>
parents:
39
diff
changeset
|
830 print $LOGFILE "[".get_time_str(time())."] ".$msg if ($settings{"VERBOSITY"} > $level); |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
831 } elsif ($settings{"DRY_RUN"}) { |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
832 print STDERR $msg if ($settings{"VERBOSITY"} > $level); |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
833 } |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
834 } |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
835 |
40
24babaa1e331
Many cleanups and fixes; Example configuration updated.
Matti Hamalainen <ccr@tnsp.org>
parents:
39
diff
changeset
|
836 ### Like Perl's die(), but also print a logfile entry. |
39
d96229159abc
v0.11.0: More fixes; Configuration files are now re-read when HUP signal is
Matti Hamalainen <ccr@tnsp.org>
parents:
37
diff
changeset
|
837 sub mdie($) |
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
|
838 { |
54
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
839 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
|
840 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
|
841 } |
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
|
842 |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
843 ### Initialize |
23
cb0a4b747cf0
Handle importing of current netfilter entries differently.
Matti Hamalainen <ccr@tnsp.org>
parents:
21
diff
changeset
|
844 sub malt_init |
cb0a4b747cf0
Handle importing of current netfilter entries differently.
Matti Hamalainen <ccr@tnsp.org>
parents:
21
diff
changeset
|
845 { |
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
|
846 %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
|
847 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
|
848 %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
|
849 undef(%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
|
850 mlog(0, "Updating initial blocklist from netfilter.\n"); |
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
|
851 update_blocklist(-1); |
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
|
852 |
54
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
853 foreach my $filename (@scanfiles_once) { |
58
a780a23e19a8
Change parsing status log messages.
Matti Hamalainen <ccr@tnsp.org>
parents:
57
diff
changeset
|
854 mlog(0, "Parsing [ONCE] ".$filename." ...\n"); |
54
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
855 if (open(INFILE, "<", $filename)) { |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
856 while (<INFILE>) { |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
857 chomp; |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
858 check_log_line($_); |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
859 } |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
860 } else { |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
861 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
|
862 } |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
863 close(INFILE); |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
864 } |
0
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
865 |
3 | 866 foreach my $filename (@scanfiles) { |
0
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
867 local *INFILE; |
58
a780a23e19a8
Change parsing status log messages.
Matti Hamalainen <ccr@tnsp.org>
parents:
57
diff
changeset
|
868 mlog(0, "Initial parsing ".$filename." ...\n"); |
54
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
869 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
|
870 $filehandles{$filename} = *INFILE; |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
871 while (<INFILE>) { |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
872 chomp; |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
873 check_log_line($_); |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
874 } |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
875 } else { |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
876 mlog(-1, "Could not open '".$filename."', skipping now.\n"); |
0
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
877 } |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
878 } |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
879 } |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
880 |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
881 ### Quick cleanup (not complete shutdown) |
23
cb0a4b747cf0
Handle importing of current netfilter entries differently.
Matti Hamalainen <ccr@tnsp.org>
parents:
21
diff
changeset
|
882 sub malt_cleanup |
cb0a4b747cf0
Handle importing of current netfilter entries differently.
Matti Hamalainen <ccr@tnsp.org>
parents:
21
diff
changeset
|
883 { |
3 | 884 foreach my $filename (keys %filehandles) { |
885 close($filehandles{$filename}); | |
0
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
886 } |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
887 } |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
888 |
23
cb0a4b747cf0
Handle importing of current netfilter entries differently.
Matti Hamalainen <ccr@tnsp.org>
parents:
21
diff
changeset
|
889 sub malt_finish |
cb0a4b747cf0
Handle importing of current netfilter entries differently.
Matti Hamalainen <ccr@tnsp.org>
parents:
21
diff
changeset
|
890 { |
0
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
891 # Unlink pid-file |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
892 if ($pid_file ne "" && -e $pid_file) { |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
893 unlink $pid_file; |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
894 } |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
895 # Close logfile |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
896 close($LOGFILE) if (defined($LOGFILE)); |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
897 undef($LOGFILE); |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
898 } |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
899 |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
900 ### Signal handlers |
23
cb0a4b747cf0
Handle importing of current netfilter entries differently.
Matti Hamalainen <ccr@tnsp.org>
parents:
21
diff
changeset
|
901 sub malt_int |
cb0a4b747cf0
Handle importing of current netfilter entries differently.
Matti Hamalainen <ccr@tnsp.org>
parents:
21
diff
changeset
|
902 { |
0
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
903 mlog(-1, "\nCaught Interrupt (^C), aborting.\n"); |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
904 malt_cleanup(); |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
905 malt_finish(); |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
906 exit(1); |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
907 } |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
908 |
23
cb0a4b747cf0
Handle importing of current netfilter entries differently.
Matti Hamalainen <ccr@tnsp.org>
parents:
21
diff
changeset
|
909 sub malt_term |
cb0a4b747cf0
Handle importing of current netfilter entries differently.
Matti Hamalainen <ccr@tnsp.org>
parents:
21
diff
changeset
|
910 { |
11
26c2cc5077aa
Added reporting functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
8
diff
changeset
|
911 mlog(-1, "Received TERM, quitting.\n"); |
0
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
912 malt_cleanup(); |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
913 malt_finish(); |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
914 exit(1); |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
915 } |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
916 |
23
cb0a4b747cf0
Handle importing of current netfilter entries differently.
Matti Hamalainen <ccr@tnsp.org>
parents:
21
diff
changeset
|
917 sub malt_hup |
cb0a4b747cf0
Handle importing of current netfilter entries differently.
Matti Hamalainen <ccr@tnsp.org>
parents:
21
diff
changeset
|
918 { |
0
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
919 mlog(-1, "Received HUP, reinitializing.\n"); |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
920 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
|
921 malt_configure(); |
0
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
922 malt_init(); |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
923 mlog(-1, "Reinitialization finished, resuming scanning.\n"); |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
924 } |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
925 |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
926 ### Main scanning function |
23
cb0a4b747cf0
Handle importing of current netfilter entries differently.
Matti Hamalainen <ccr@tnsp.org>
parents:
21
diff
changeset
|
927 sub malt_scan |
cb0a4b747cf0
Handle importing of current netfilter entries differently.
Matti Hamalainen <ccr@tnsp.org>
parents:
21
diff
changeset
|
928 { |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
929 mlog(1, "Entering main scanning loop.\n"); |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
930 my $counter = -1; |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
931 while (1) { |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
932 my %filepos = (); |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
933 foreach my $filename (keys %filehandles) { |
39
d96229159abc
v0.11.0: More fixes; Configuration files are now re-read when HUP signal is
Matti Hamalainen <ccr@tnsp.org>
parents:
37
diff
changeset
|
934 for ($filepos{$filename} = tell($filehandles{$filename}); |
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 $_ = <$filehandles{$filename}>; |
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
|
936 $filepos{$filename} = tell($filehandles{$filename})) { |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
937 chomp; |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
938 check_log_line($_); |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
939 } |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
940 } |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
941 if ($counter < 0 || $counter++ >= 30) { |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
942 # Every once in a while, update known IP list from iptables |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
943 # (in case entries have appeared there from "outside") |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
944 # and perform weeding of old entries. |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
945 $counter = 0; |
54
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
946 update_blocklist(time()); |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
947 weed_entries(); |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
948 generate_status($settings{"STATUS_FILE_PLAIN"}, 0); |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
949 generate_status($settings{"STATUS_FILE_HTML"}, 1); |
60
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
950 gather_evidence(); |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
951 } |
60
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
952 sleep(2); |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
953 foreach my $filename (keys %filehandles) { |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
954 seek($filehandles{$filename}, $filepos{$filename}, 0); |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
955 } |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
956 } |
0
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
957 } |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
958 |
16
87c0cdc048f5
Many changes and cleanups. Works again.
Matti Hamalainen <ccr@tnsp.org>
parents:
15
diff
changeset
|
959 ### Read one configuration file |
15
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
960 sub malt_read_config($) |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
961 { |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
962 my $filename = $_[0]; |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
963 my $errors = 0; |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
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|
964 my $line = 0; |
0
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
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diff
changeset
|
965 |
39
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v0.11.0: More fixes; Configuration files are now re-read when HUP signal is
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37
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|
966 open(CONFFILE, "<", $filename) or mdie("Could not open configuration '".$filename."'!\n"); |
0
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Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
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|
967 while (<CONFFILE>) { |
15
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diff
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|
968 $line++; |
0
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
969 chomp; |
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Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
970 if (/(^\s*#|^\s*$)/) { |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
971 # Ignore comments and empty lines |
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Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
972 } 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
|
973 my $key = uc($1); |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
974 my $value = $2; |
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Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
975 if (defined($settings{$key})) { |
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Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
976 $settings{$key} = $value; |
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Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
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diff
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|
977 } else { |
39
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Matti Hamalainen <ccr@tnsp.org>
parents:
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|
978 mlog(-1, "[$filename:$line] Unknown setting '$key' = $value\n"); |
0
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Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
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|
979 $errors = 1; |
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Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
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changeset
|
980 } |
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Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
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diff
changeset
|
981 } elsif (/^\s*\"?([a-zA-Z0-9_]+)\"?\s*=>?\s*\"(.*?)\",?\s*$/) { |
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Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
982 my $key = uc($1); |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
diff
changeset
|
983 my $value = $2; |
fec14263801d
Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
parents:
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|
984 if ($key eq "SCANFILE") { |
54
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Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
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diff
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|
985 push(@scanfiles, $value); |
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diff
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|
986 } elsif ($key eq "SCANFILE_ONCE") { |
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Matti Hamalainen <ccr@tnsp.org>
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|
987 push(@scanfiles_once, $value); |
8 | 988 } elsif ($key eq "NOBLOCK_IPS") { |
7 | 989 push(@noblock_ips_def, $value); |
0
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Initial import of maltfilter development version.
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|
990 } elsif (defined($settings{$key})) { |
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Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
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|
991 $settings{$key} = $value; |
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Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
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|
992 } else { |
39
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37
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|
993 mlog(-1, "[$filename:$line] Unknown setting '$key' = '$value'\n"); |
0
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diff
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|
994 $errors = 1; |
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Matti Hamalainen <ccr@tnsp.org>
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diff
changeset
|
995 } |
40
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39
diff
changeset
|
996 # Force dry run mode if we are reporting only |
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Matti Hamalainen <ccr@tnsp.org>
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39
diff
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|
997 if ($reportmode) { |
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Matti Hamalainen <ccr@tnsp.org>
parents:
39
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|
998 $settings{"DRY_RUN"} = 1; |
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Matti Hamalainen <ccr@tnsp.org>
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39
diff
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|
999 } |
0
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Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
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|
1000 } else { |
39
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diff
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|
1001 mlog(-1, "[$filename:$line] Syntax error: $_\n"); |
0
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|
1002 $errors = 1; |
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Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
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changeset
|
1003 } |
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Initial import of maltfilter development version.
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|
1004 } |
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Initial import of maltfilter development version.
Matti Hamalainen <ccr@tnsp.org>
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|
1005 close(CONFFILE); |
15
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|
1006 return $errors; |
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parents:
13
diff
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|
1007 } |
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13
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|
1008 |
39
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|
1009 ### Read all configuration files |
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1010 sub malt_configure |
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1011 { |
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|
1012 # Let user define his/her own logfiles to scan |
54
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Matti Hamalainen <ccr@tnsp.org>
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53
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|
1013 @scanfiles = (); |
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Matti Hamalainen <ccr@tnsp.org>
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|
1014 undef(@scanfiles); |
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|
1015 |
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|
1016 @scanfiles_once = (); |
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|
1017 undef(@scanfiles_once); |
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Matti Hamalainen <ccr@tnsp.org>
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|
1018 |
39
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|
1019 foreach my $filename (@configfiles) { |
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|
1020 mdie("Errors in configuration file '$filename', bailing out.\n") |
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|
1021 unless (malt_read_config($filename) == 0); |
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diff
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|
1022 } |
40
24babaa1e331
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diff
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|
1023 |
54
19dace24ad46
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Matti Hamalainen <ccr@tnsp.org>
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53
diff
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|
1024 # Clean up certain arrays duplicate entries |
19dace24ad46
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Matti Hamalainen <ccr@tnsp.org>
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53
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|
1025 my %saw = (); |
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Matti Hamalainen <ccr@tnsp.org>
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diff
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|
1026 @scanfiles = grep(!$saw{$_}++, @scanfiles); |
19dace24ad46
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parents:
53
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|
1027 |
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Matti Hamalainen <ccr@tnsp.org>
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|
1028 %saw = (); |
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Matti Hamalainen <ccr@tnsp.org>
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53
diff
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|
1029 @scanfiles_once = grep(!$saw{$_}++, @scanfiles_once); |
19dace24ad46
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Matti Hamalainen <ccr@tnsp.org>
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53
diff
changeset
|
1030 |
19dace24ad46
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Matti Hamalainen <ccr@tnsp.org>
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53
diff
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|
1031 %saw = (); |
19dace24ad46
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Matti Hamalainen <ccr@tnsp.org>
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|
1032 @noblock_ips = grep(!$saw{$_}++, @noblock_ips_def); |
19dace24ad46
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Matti Hamalainen <ccr@tnsp.org>
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53
diff
changeset
|
1033 undef(%saw); |
19dace24ad46
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Matti Hamalainen <ccr@tnsp.org>
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|
1034 |
19dace24ad46
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Matti Hamalainen <ccr@tnsp.org>
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53
diff
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|
1035 mlog(-1, "Not blocking following IPs: ".join(", ", @noblock_ips)."\n"); |
19dace24ad46
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Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1036 |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1037 # Check if we have anything to do |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
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53
diff
changeset
|
1038 if ($reportmode) { |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1039 mdie("Nothing to do, no SCANFILE(s) or SCANFILE_ONCE(s) defined in configuration.\n") unless ($#scanfiles > 0 || $#scanfiles_once > 0); |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1040 } else { |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1041 mdie("Nothing to do, no SCANFILE(s) defined in configuration.\n") unless ($#scanfiles > 0); |
19dace24ad46
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Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1042 } |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1043 |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1044 # Test existence of iptables |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1045 if (! -e $settings{"IPTABLES"} || ! -x $settings{"IPTABLES"}) { |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1046 mdie("iptables binary does not exist or is not executable: ".$settings{"IPTABLES"}."\n"); |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1047 } |
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1048 |
60
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
1049 # Check evidence settings |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
1050 if ($settings{"EVIDENCE"}) { |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
1051 my $base = $settings{"EVIDENCE_DIR"}; |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
1052 mdie("Evidence directory (EVIDENCE_DIR) not set in configuration.\n") if ($base eq ""); |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
1053 mdie("Evidence directory '$base' does not exist.\n") unless (-e $base); |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
1054 mdie("Path '$base' is not a directory.\n") unless (-d $base); |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
1055 mdie("Evidence directory '$base' is not writable by euid.\n") unless (-w $base); |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
1056 } |
38885f5f34f6
Added evidence gathering functionality.
Matti Hamalainen <ccr@tnsp.org>
parents:
59
diff
changeset
|
1057 |
54
19dace24ad46
Remove default scanfiles; Clean up update_entry() code; Add "SCANFILE_ONCE"
Matti Hamalainen <ccr@tnsp.org>
parents:
53
diff
changeset
|
1058 # Check settings |
40
24babaa1e331
Many cleanups and fixes; Example configuration updated.
Matti Hamalainen <ccr@tnsp.org>
parents:
39
diff
changeset
|
1059 mdie("SYSACCT_MIN_UID must be >= 1.\n") unless ($settings{"SYSACCT_MIN_UID"} >= 1); |
24babaa1e331
Many cleanups and fixes; Example configuration updated.
Matti Hamalainen <ccr@tnsp.org>
parents:
39
diff
changeset
|
1060 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
|
1061 |
44
471731c79bb3
Add configuration setting for PASSWD file.
Matti Hamalainen <ccr@tnsp.org>
parents:
40
diff
changeset
|
1062 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>
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39
diff
changeset
|
1063 while (<PASSWD>) { |
24babaa1e331
Many cleanups and fixes; Example configuration updated.
Matti Hamalainen <ccr@tnsp.org>
parents:
39
diff
changeset
|
1064 my @fields = split(/\s*:\s*/); |
24babaa1e331
Many cleanups and fixes; Example configuration updated.
Matti Hamalainen <ccr@tnsp.org>
parents:
39
diff
changeset
|
1065 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
|
1066 $systemacct{$fields[0]} = $fields[2]; |
24babaa1e331
Many cleanups and fixes; Example configuration updated.
Matti Hamalainen <ccr@tnsp.org>
parents:
39
diff
changeset
|
1067 } |
24babaa1e331
Many cleanups and fixes; Example configuration updated.
Matti Hamalainen <ccr@tnsp.org>
parents:
39
diff
changeset
|
1068 } |
24babaa1e331
Many cleanups and fixes; Example configuration updated.
Matti Hamalainen <ccr@tnsp.org>
parents:
39
diff
changeset
|
1069 close(PASSWD); |
39
d96229159abc
v0.11.0: More fixes; Configuration files are now re-read when HUP signal is
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37
diff
changeset
|
1070 } |
15
b05d0f0ff106
Cleanups in progress, does not work.
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parents:
13
diff
changeset
|
1071 |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
1072 ############################################################################# |
b05d0f0ff106
Cleanups in progress, does not work.
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parents:
13
diff
changeset
|
1073 ### |
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Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
1074 ### Main program |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
1075 ### |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
1076 ############################################################################# |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
1077 # Setup signal handlers |
b05d0f0ff106
Cleanups in progress, does not work.
Matti Hamalainen <ccr@tnsp.org>
parents:
13
diff
changeset
|
1078 $SIG{'INT'} = 'malt_int'; |
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1079 $SIG{'TERM'} = 'malt_term'; |
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1080 $SIG{'HUP'} = 'malt_hup'; |
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1081 |
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1082 # Print banner and help if no arguments |
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1083 my $argc = $#ARGV + 1; |
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1084 if ($argc < 1) { |
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1085 print $progbanner. |
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1086 "\n". |
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1087 "Usage: maltfilter <pid filename> [config filename] [config filename...]\n". |
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1088 " maltfilter -f [config filename] [config filename...]\n". |
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1089 "-f turns on the full report mode.\n"; |
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1090 exit; |
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1091 } |
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1092 |
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1093 # Test pid file existence unless report mode |
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1094 $pid_file = shift; |
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1095 if ($pid_file eq "-f") { |
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1096 $reportmode = 1; |
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1097 } else { |
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1098 mdie("'$pid_file' already exists, not starting.\n". |
15
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1099 "If the daemon is NOT running, remove the pid-file and re-start.\n") |
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1100 if (-e $pid_file); |
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1101 } |
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1102 |
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1103 # Read configuration files |
39
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1104 while (defined(my $filename = shift)) { |
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1105 push(@configfiles, $filename); |
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1106 } |
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1107 |
39
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1108 malt_configure(); |
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1109 |
0
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1110 # Open logfile |
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1111 if ($settings{"DRY_RUN"}) { |
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1112 print $progbanner. |
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1113 "*********************************************\n". |
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1114 "* NOTICE! DRY-RUN MODE ENABLED! No changes *\n". |
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1115 "* will actually get committed to netfilter! *\n". |
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1116 "*********************************************\n"; |
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1117 } elsif ($settings{"LOGFILE"} ne "") { |
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1118 open($LOGFILE, ">>", $settings{"LOGFILE"}) or die("Could not open logfile '".$settings{"LOGFILE"}."' for writing!\n"); |
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1119 mlog(-1, "Log started\n"); |
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1120 } |
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1121 |
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1122 # Initialize |
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1123 malt_init(); |
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1124 |
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1125 # Fork to background, unless dry-running |
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1126 if ($settings{"DRY_RUN"}) { |
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1127 if ($reportmode) { |
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1128 mlog(-1, "Outputting report files.\n"); |
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1129 generate_status($settings{"STATUS_FILE_PLAIN"}, 0); |
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1130 generate_status($settings{"STATUS_FILE_HTML"}, 1); |
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1131 gather_evidence(); |
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1132 malt_cleanup(); |
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1133 } else { |
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1134 malt_scan(); |
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1135 malt_cleanup(); |
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1136 } |
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1137 } else { |
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1138 if (my $pid = fork) { |
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1139 open(PIDFILE, ">", $pid_file) or mdie("Could not open pid file '".$pid_file."' for writing!\n"); |
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1140 print PIDFILE "$pid\n"; |
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1141 close(PIDFILE); |
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1142 } else { |
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1143 malt_scan(); |
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1144 malt_cleanup(); |
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1145 } |
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1146 } |