....................................../////.===Shadow-Here===./////................................................ > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < > < ------------------------------------------------------------------------------------------------------------------- /////////////////////////////////////////////////////////////////////////////////////////////////////////////////// RIFF¤ WEBPVP8 ˜ ðÑ *ôô>‘HŸK¥¤"§£±¨àð enü¹%½_F‘åè¿2ºQú³íªú`N¿­3ÿƒügµJžaÿ¯ÿ°~¼ÎùnúîÞÖô•òíôÁÉß®Sm¥Ü/ ‡ó˜f£Ùà<˜„xëJ¢Ù€SO3x<ªÔ©4¿+ç¶A`q@Ì“Úñè™ÍÿJÌ´ª-˜ÆtÊÛL]Ïq*‘Ý”ì#ŸÌÏãY]@ê`¿ /ªfkØB4·®£ó z—Üw¥Pxù–ÞLШKÇN¾AkÙTf½è'‰g gÆv›Øuh~ a˜Z— ïj*á¥t d£“uÒ ¨`K˜¹ßþ]b>˜]_ÏÔ6W—è2r4x•íÖ…"ƒÖNîä!¦å Ú}ýxGøÌ —@ ;ÆÚŠ=ɾ1ý8lªË¥ô ^yf®Œ¢u&2©nÙÇ›ñÂñŒ³ aPo['½»øFùà­+4ê“$!lövlüÞ=;N®3ð‚õ›DÉKòÞ>ÄÍ ¥ˆuߤ#ˆ$6ù™¥îŠ‡y’ÍB¼ çxÛ;X"WL£R÷͝*ó-¶Zu}º.s¸sšXqù–DþÿvªhüïwyŸ ¯é³lÀ:KCûÄ£Ëá\…­ ~—ýóî ¼ûûÜTÓüÇy…ŽÆvc»¾×U ñ¸žþоP÷¦ó:Ò¨¨5;Ð#&#ÖúñläÿÁœ GxÉ­/ñ‡áQðìYÉtÒwŽ¼GÔ´zàÒò ð*ëzƒ•4~H]Ø‹f ñÓÈñ`NåWçs'ÆÏW^ø¹!XžµmQ5ÃËoLœÎ: ÞËÍ¥J ù…î èo£ßPÎñ¶ž8.Œ]ʵ~5›ÙË-ù*8ÙÖß±~ ©¹rÓê‚j¶d¸{^Q'˜±Crß ÚH—#¥¥QlÀ×ëã‡DÜ«èî þ&Çæžî;ŽÏºò6ÒLÃXy&ZŒ'j‚¢Ù€IßÚù+–MGi‰*jE€‘JcÜ ÓÌ EÏÚj]o˜ Þr <¾U ûŪæÍ/šÝH¥˜b”¼ ÁñßX GP›ï2›4WŠÏà×£…íÓk†¦H·ÅíMh–*nó÷à]ÁjCº€b7<ب‹¨5車bp2:Á[UªM„QŒçiNMa#<5›áËó¸HýÊ"…×Éw¹¦ì2º–x<›»a±¸3Weü®FÝ⑱ö–î–³|LPÈ~çð~Çå‡|º kD¢µÏàÆAI %1À% ¹Ò – ”ϝS¦‰4&¶£°à Öý”û_Ò Áw°A«Å€?mÇÛgHÉ/8)á¾ÛìáöŽP í¨PŸNÙµº¦‡§Ùš"ÿ«>+ªÕ`Ê÷‡‚ß Õû˜þãÇ-PÍ.¾XV‘€ dÜ"þ4¹ ±Oú‘©t¥¦FªÄÃÄ•b‚znýu½—#cDs˜ÃiÑOˆñ×QO=*IAÊ,¶ŽZƒ;‡wøXè%EÐk:F±Ú” .Ѽ+Áu&Ç`."pÈÉw o&¿dE6‘’EqTuK@Ì¥ã™À(Êk(h‰,H}RÀIXÛš3µ1©_OqÚÒJAñ$ÊÙÜ;D3çŒ[þùœh¬Ã³™ö6ç†NY".Ú‰ï[ªŸŒ '²Ð öø_¨ÂÉ9u鶳ÒŠõTàîMØ#û¯gN‡bÙ놚X„ö …ÉeüÌ^J ‹€.œ$Æ)βÄeæW#óüßĺŸ€ ÀzwV 9oä»f4V*uB «Ë†¹ì¯žR霓æHXa=&“I4K;¯ç‹h×·"UŠ~<•â•ªVêª&ÍSÃÆÅ?ÔqÎ*mTM ˜›µwêd#[C¡©§‘D<©àb†–ÁœøvH/,í:¯( ²£|4-„Æövv„Yͼ™^Á$ˆ„¢Û[6yB.åH*V¨æ?$=˜Ñ€•î¦ñ·­(VlŸ‘ nÀt8W÷´Bûba?q9ú¶Xƒl«ÿ\ù¶’þòUÐj/õ¢Ìµ³g$ƒÎR!¸»|Oߍë’BhîÚÑ¢ñåŒJ„®„£2Ð3•ô02Nt…!£Í]Ïc½Qÿ?ˆ<&ÃA¾Ú,JˆijÌ#5yz„‰Î|ÊŽ5QÏ:‹ÐaóVÔxW—CpeÏzÐïíçôÿÅ_[hãsÐ_/ŽTÝ?BîˆííV$<¿i>²F¬_Eß¿ †bÊŒº­ÿ®Z H“C}”¬,Mp ý/Bá£w>˜YV°aƒúh+cŠ- r/[%|üUMHäQ°X»|û/@|°¥Ð !BÔ Ç¢Ä©š+Õì D«7ìN¶ŽðÔ " ƶ’ÖçtA‰Û×}{tþz­¾GÍ›k¹OEJR$ Â׃ «ëÁ"oÉôž$oUK(Ä)Ãz³Ê-‹êN[Ò3Œñbï8P 4ƒ×q¢bo|?<ÛX¬òÄÍ°L–±›(™ûG?ýË©ÚÄ–ÂDØÐ_Ç¡ô ¾–ÄÏø ×e8Ë©$ÄF¹Å‹ì[©óìl:F¾f´‹‹Xì²ï®\¬ôùƒ ÿat¥óèÒùHß0äe‚;ü×h:ÆWðHž=Ã8骣"kœ'Y?³}Tûè€>?0l›e1Lòñ„aæKÆw…hÖŠùW…ÈÆÄ0ši·›[pcwËþñiêíY/~-Á5˜!¿†A›™Mÿþ(±“t@â“ö2­´TG5yé]çå僳 .·ÍïçÝ7UÚ±Ð/Nè»,_Ï ùdj7\ï Wì4›„»c¸àešg#ÒÊ⥭áØo5‘?ÌdÝô¯ ¹kzsƒ=´#ëÉK›Ø´±-¥eW?‡çßtòTã…$Ý+qÿ±ƒ÷_3Ô¥í÷:æ–ž<·Ö‡‰Å¢ š‡%Ô—utÌÈìðžgÖÀz²À—ï÷Óîäõ{K'´È÷³yaÏÁjƒô}ž§®æÊydÕÈë5¯èˆõvÕ©ã*çD„ “z„Ó‡^^xÂ3M§A´JG‚öï 3W'ˆ.OvXè¡ÊÕª?5º7†˜(˜Ç¶#çê’¶!ÌdZK§æ 0fãaN]òY³RV ™î$®K2R¨`W!1Ôó\;Ý ýB%qæK•&ÓÈe9È0êI±žeŸß -ú@žQr¦ ö4»M¼Áè¹µmw 9 EÆE_°2ó„ŸXKWÁ×Hóì^´²GѝF©óäR†¦‰ç"V»eØ<3ùd3ÿÚ¤Žú“Gi" —‘_ÙËÎ~Üö¯¥½Î»üŸEÚŽåmÞþí ;ÞólËΦMzA"Âf(´òá;Éï(/7½ûñÌ­cïÕçлþÝz¾-ÍvÑ“pH­–ðÓj$¸Äû¤‚‘ãUBË-n“2åPkS5&‹Â|+g^œ®Ì͆d!OïäîU«c;{Û!ÅŽ«ëZ9Ókóˆ]¯ƒ›né `ÇÒ+tÆš (ØKá¾—=3œ®•vuMñg²\ï Ec€ 05±d™‡×iÇ×›UúvÌ¢£Èþ¡ÕØô¶ßÎA"ß±#Ö²ˆÊŸ¦*Ä~ij|àø.-¼'»Ú¥£h ofº¦‡VsR=N½„Î v˜Z*SÌ{=jÑB‹tê…;’HžH¯8–îDù8ñ¢|Q•bÛçš–‹m³“ê¨ åÏ^m¬Žãþ©ïêO‡½6] µÆ„Ooòü ²x}N¦Ë3ïé¿»€›HA˜m%çÞ/¿í7Fø“‹léUk)É°Œµ8Q8›:ÀŠeT*šõ~ôڝG6 ¢}`ùH­–”¡k ‰P1>š†®9z11!X wKfmÁ¦xÑ,N1Q”–æB¶M…ÒÃv6SMˆhU¬ÊPŽï‘öj=·CŒ¯u¹ƒVIЃsx4’ömÛýc塶7ßŠß 57^\wÒÐÆ k§h,Œý î«q^R½3]J¸ÇðN ‚çU¬ôº^Áì} ³f©Õœ§ˆã:FÄÈ‚é(€™?àýÓüè1Gô£¼éj‚OÅñ  #>×—ßtà 0G¥Åa뀐kßhc™À_ÉñÞ#±)GD" YîäË-ÿÙ̪ ¹™a¯´¢E\ÝÒö‚;™„ë]_ p8‰o¡ñ+^÷ 3‘'dT4œŽ ðVë½° :¬víÑ«£tßÚS-3¶“þ2 †üüʨòrš¹M{É_¤`Û¨0ìjœøJ‡:÷ÃáZ˜†@GP&œÑDGÏs¡þ¦þDGú‘1Yá9Ôþ¼ ûø…§÷8&–ÜÑnÄ_m®^üÆ`;ÉVÁJ£?â€-ßê}suÍ2sõA NÌúA磸‘îÿÚ»ƒìö·á¿±tÑÐ"Tÿü˜[@/äj¬€uüªìù¥Ý˜á8Ý´sõj 8@rˆð äþZÇD®ÿUÏ2ùôõrBzÆÏÞž>Ì™xœ“ wiÎ×7_… ¸ \#€MɁV¶¥üÕÿPÔ9Z‡ø§É8#H:ƒ5ÀÝå9ÍIŒ5åKÙŠ÷qÄ>1AÈøžj"µÂд/ªnÀ qªã}"iŸBå˜ÓÛŽ¦…&ݧ;G@—³b¯“•"´4í¨ôM¨åñC‹ïùÉó¯ÓsSH2Ý@ßáM‡ˆKÀªÛUeø/4\gnm¥‹ŸŒ qÄ b9ÞwÒNÏ_4Ég³ú=܆‚´ •â¥õeíþkjz>éÚyU«Íӝ݃6"8/ø{=Ô¢»G¥ äUw°W«,ô—¿ãㆅү¢³xŠUû™yŒ (øSópÐ 9\åTâ»—*oG$/×ÍT†Y¿1¤Þ¢_‡ ¼ „±ÍçèSaÓ 3ÛMÁBkxs‰’R/¡¤ˆÙçª(*õ„üXÌ´ƒ E§´¬EF"Ù”R/ÐNyÆÂ^°?™6¡œïJ·±$§?º>ÖüœcNÌù¯G ‹ñ2ŠBB„^·úìaz¨k:#¨Æ¨8LÎõލ£^§S&cŒÐU€ü(‡F±Š¼&P>8ÙÁ ‰ p5?0ÊƃZl¸aô š¼¡}gÿ¶zÆC²¹¬ÎÖG*HB¡O<º2#ñŒAƒ–¡B˜´É$¥›É:FÀÔx¾u?XÜÏÓvN©RS{2ʈãk9rmP¼Qq̳ è¼ÐFׄ^¡Öì fE“F4A…!ì/…¦Lƒ… … $%´¾yã@CI¬ á—3PþBÏNÿ<ý°4Ü ËÃ#ØÍ~âW«rEñw‹eùMMHß²`¬Öó½íf³:‹k˜¯÷}Z!ã¿<¥,\#öµÀ¯aÒNÆIé,Ћ–lŽ#Àæ9ÀÒS·I’½-Ïp Äz¤Š Â* ­íÄ9­< h>׍3ZkËU¹§˜ŒŠ±f­’¤º³Q ÏB?‹#µíÃ¥®@(Gs«†vI¥Mµ‹Á©e~2ú³ÁP4ìÕi‚²Ê^ö@-DþÓàlÜOÍ]n"µã:žpsŽ¢:! Aõ.ç~ÓBûH÷JCÌ]õVƒd «ú´QÙEA–¯¯Œ!.ˆˆëQ±ù œ·Ì!Õâ )ùL„ÅÀlÚè5@B…o´Æ¸XÓ&Û…O«˜”_#‡ƒ„ûÈt!¤ÁÏ›ÎÝŠ?c9 â\>lÓÁVÄÑ™£eØY]:fÝ–—ù+p{™ðè û³”g±OƒÚSù£áÁÊ„ä,ï7š²G ÕÌBk)~ÑiCµ|h#u¤¶îK¨² #²vݯGãeÖ϶ú…¾múÀ¶þÔñ‚Š9'^($¤§ò “š½{éúp÷J›ušS¹áªCÂubÃH9™D™/ZöØÁ‡¦ÝÙŸ·kð*_”.C‹{áXó€‡c¡c€§/šò/&éš÷,àéJþ‰X›fµ“C¨œ®r¬"kL‰Â_q…Z–.ÉL~O µ›zn‚¹À¦Öª7\àHµšÖ %»ÇníV[¥*Õ;ƒ#½¾HK-ÖIÊdÏEÚ#=o÷Óò³´Š: Ç?{¾+9›–‘OEáU·S€˜j"ÄaÜ ŒÛWt› á–c#a»pÔZÞdŽtWê=9éöÊ¢µ~ ë ;Öe‡Œ®:bî3±ýê¢wà¼îpêñ¹¾4 zc¾ðÖÿzdêŒÑÒŝÀ‰s6¤í³ÎÙB¿OZ”+F¤á‡3@Ñëäg©·Ž ˆèª<ù@É{&S„œÕúÀA)‰h:YÀ5^ÂÓŒ°õäU\ ùËÍû#²?Xe¬tu‰^zÒÔãë¼ÛWtEtû …‚g¶Úüâî*moGè¨7%u!]PhÏd™Ý%Îx: VÒ¦ôÊD3ÀŽKÛËãvÆî…N¯ä>Eró–ð`5 Œ%u5XkñÌ*NU%¶áœÊ:Qÿú»“úzyÏ6å-၇¾ ´ ÒÊ]y žO‘w2Äøæ…H’²f±ÎÇ.ª|¥'gîV•Ü .̘¯€šòü¤U~Ù†*¢!?ò wý,}´°ÔÞnïoKq5µb!áÓ3"vAßH¡³¡·G(ÐÎ0Îò¼MG!/ài®@—¬04*`…«é8ªøøló“ˆÊ”èù¤…ßÊoÿé'ËuÌÖ5×È¡§ˆˆfŽë9}hìâ_!!¯  B&Ëö¶‰ÀAÙNVŸ Wh›¸®XÑJì¨ú“¿÷3uj²˜¨ÍÎìë±aúŠÝå¯ð*Ó¨ôJ“yºØ)m°WýOè68†ŸÏ2—‰Ïüꪫٚ¥‹l1 ø ÏÄFjêµvÌbü¦èÝx:X±¢H=MÐß—,ˆÉÇ´(9ú¾^ÅÚ4¿m‡$âX‘å%(AlZo@½¨UOÌÕ”1ø¸jÎÀÃÃ_ µ‘Ü.œº¦Ut: Æï’!=¯uwû#,“pþÇúŒø(é@?³ü¥‘Mo §—s@Œ#)§ŒùkL}NOÆêA›¸~r½¼ÙA—HJ«eˆÖ´*¡ÓpÌŸö.m<-"³ûÈ$¬_6­åf£ïÚâj1y§ÕJ½@dÞÁr&Í\Z%D£Íñ·AZ Û³øüd/ªAi†/Й~  ‡âĮҮÏh§°b—›Û«mJžòG'[ÈYýŒ¦9psl ýÁ ®±f¦x,‰½tN ‚Xª9 ÙÖH.«Lo0×?͹m¡å†Ѽ+›2ƒF ±Ê8 7Hցϓ²Æ–m9…òŸï]Â1äN†VLâCˆU .ÿ‰Ts +ÅÎx(%¦u]6AF Š ØF鈄‘ |¢¶c±soŒ/t[a¾–û:s·`i햍ê›ËchÈ…8ßÀUÜewŒðNOƒõD%q#éû\9¤x¹&UE×G¥ Í—™$ð E6-‡¼!ýpãÔM˜ Âsìe¯ñµK¢Ç¡ùôléœ4Ö£”À Š®Ðc ^¨À}ÙËŸ§›ºê{ÊuÉC ×Sr€¤’fÉ*j!úÓ’Gsùìoîßîn%ò· àc Wp÷$¨˜)û»H ×8ŽÒ€Zj¤3ÀÙºY'Ql¦py{-6íÔCeiØp‘‡XÊîÆUߢ܂ž£Xé¼Y8þ©ëgñß}é.ÎógÒ„ÃØËø¯»™§Xýy M%@NŠ À(~áÐvu7&•,Ù˜ó€uP‡^^®=_E„jt’ 403WebShell
403Webshell
Server IP : 195.3.193.30  /  Your IP : 216.73.216.125
Web Server : Apache
System : Linux server3 5.10.0-35-amd64 #1 SMP Debian 5.10.237-1 (2025-05-19) x86_64
User : web032 ( 1035)
PHP Version : 7.3.33
Disable Function : show_source, highlight_file, apache_child_terminate, apache_get_modules, apache_note, apache_setenv, virtual, dl, disk_total_space, posix_getpwnam, posix_getpwuid, posix_mkfifo, posix_mknod, posix_setpgid, posix_setsid, posix_setuid, posix_uname, proc_nice, openlog, syslog, pfsockopen
MySQL : OFF  |  cURL : ON  |  WGET : ON  |  Perl : ON  |  Python : OFF  |  Sudo : ON  |  Pkexec : OFF
Directory :  /usr/share/perl5/Mail/SpamAssassin/

Upload File :
current_dir [ Writeable ] document_root [ Writeable ]

 

Command :

[ Back ]     

Current File : /usr/share/perl5/Mail/SpamAssassin/NetSet.pm
# Mail::SpamAssassin::NetSet - object to manipulate CIDR net IP addrs
# <@LICENSE>
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to you under the Apache License, Version 2.0
# (the "License"); you may not use this file except in compliance with
# the License.  You may obtain a copy of the License at:
# 
#     http://www.apache.org/licenses/LICENSE-2.0
# 
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# </@LICENSE>

package Mail::SpamAssassin::NetSet;

use strict;
use warnings;
# use bytes;
use re 'taint';
use Time::HiRes qw(time);
use NetAddr::IP 4.000;

use Mail::SpamAssassin::Util;
use Mail::SpamAssassin::Logger;

our $have_patricia;
BEGIN {
  eval {
    require Net::Patricia;
    Net::Patricia->VERSION(1.16);  # need AF_INET6 support
    Net::Patricia->import;
    $have_patricia = 1;
  };
}

###########################################################################

sub new {
  my ($class,$netset_name) = @_;
  $class = ref($class) || $class;

  $netset_name = ''  if !defined $netset_name;  # object name for debugging
  my $self = {
    name => $netset_name, num_nets => 0,
    cache_hits => 0, cache_attempts => 0,
  };
  $self->{pt} = Net::Patricia->new(&AF_INET6)  if $have_patricia;

  bless $self, $class;
  $self;
}

###########################################################################

sub DESTROY {
  my($self) = shift;

  if (exists $self->{cache}) {
    local($@, $!, $_);  # protect outer layers from a potential surprise
    my($hits, $attempts) = ($self->{cache_hits}, $self->{cache_attempts});
    dbg("netset: cache %s hits/attempts: %d/%d, %.1f %%",
        $self->{name}, $hits, $attempts, 100*$hits/$attempts) if $attempts > 0;
  }
}

###########################################################################

sub add_cidr {
  my ($self, @nets) = @_;

  $self->{nets} ||= [ ];
  my $numadded = 0;
  delete $self->{cache};  # invalidate cache (in case of late additions)

  # Pre-parse x.x.x.x-x.x.x.x range notation into CIDR blocks
  # requires Net::CIDR::Lite
  my @nets2;
  foreach my $cidr_orig (@nets) {
    next if index($cidr_orig, '-') == -1; # Triage
    my $cidr = $cidr_orig;
    my $exclude = ($cidr =~ s/^!\s*//) ? 1 : 0;
    local($1);
    $cidr =~ s/\b0+(\d+)/$1/; # Strip leading zeroes
    eval { require Net::CIDR::Lite; }; # Only try to load now when it's necessary
    if ($@) {
      warn "netset: IP range notation '$cidr_orig' requires Net::CIDR::Lite module, ignoring\n";
      $cidr_orig = undef;
      next;
    }
    my $cidrs = Net::CIDR::Lite->new;
    eval { $cidrs->add_range($cidr); };
    if ($@) {
      my $err = $@; $err =~ s/ at .*//s;
      warn "netset: illegal IP range '$cidr_orig': $err\n";
      $cidr_orig = undef;
      next;
    }
    my @arr = $cidrs->list;
    if (!@arr) {
      my $err = $@; $err =~ s/ at .*//s;
      warn "netset: failed to parse IP range '$cidr_orig': $err\n";
      $cidr_orig = undef;
      next;
    }
    # Save exclude flag
    if ($exclude) { $_ = "!$_" foreach (@arr); }
    # Rewrite this @nets value directly, add any rest to @nets2
    $cidr_orig = shift @arr;
    push @nets2, @arr  if @arr;
  }

  foreach my $cidr_orig (@nets, @nets2) {
    next unless defined $cidr_orig;
    my $cidr = $cidr_orig;  # leave original unchanged, useful for logging

    # recognizes syntax:
    #   [IPaddr%scope]/len or IPaddr%scope/len or IPv4addr/mask
    # optionally prefixed by a '!' to indicate negation (exclusion);
    # the %scope (i.e. interface), /len or /mask are optional

    local($1,$2,$3,$4);
    $cidr =~ s/^\s+//;
    my $exclude = ($cidr =~ s/^!\s*//) ? 1 : 0;

    my $masklen;  # netmask or a prefix length
    $masklen = $1  if $cidr =~ s{ / (.*) \z }{}xs;

    # discard optional brackets
    $cidr = $1  if $cidr =~ /^ \[ ( [^\]]* ) \] \z/xs;

    my $scope;
    # IPv6 Scoped Address (RFC 4007, RFC 6874, RFC 3986 "unreserved" charset)
    if ($cidr =~ s/ % ( [A-Z0-9._~-]* ) \z //xsi) {  # scope <zone_id> ?
      $scope = $1;  # interface specification
      # discard interface specification, currently just ignored
      info("netset: ignoring interface scope '%%%s' in IP address %s",
           $scope, $cidr_orig);
    }

    my $is_ip4 = 0;
    if ($cidr =~ /^ \d+ (\. | \z) /x) {  # looks like an IPv4 address
      if ($cidr =~ /^ (\d+) \. (\d+) \. (\d+) \. (\d+) \z/x) {
        # also strips leading zeroes, not liked by inet_pton
        $cidr = sprintf('%d.%d.%d.%d', $1,$2,$3,$4);
        $masklen = 32  if !defined $masklen;
      } elsif ($cidr =~ /^ (\d+) \. (\d+) \. (\d+) \.? \z/x) {
        $cidr = sprintf('%d.%d.%d.0', $1,$2,$3);
        $masklen = 24  if !defined $masklen;
      } elsif ($cidr =~ /^ (\d+) \. (\d+) \.? \z/x) {
        $cidr = sprintf('%d.%d.0.0', $1,$2);
        $masklen = 16  if !defined $masklen;
      } elsif ($cidr =~ /^ (\d+) \.? \z/x) {
        $cidr = sprintf('%d.0.0.0', $1);
        $masklen = 8  if !defined $masklen;
      } else {
        warn "netset: illegal IPv4 address given: '$cidr_orig'\n";
        next;
      }
      $is_ip4 = 1;
    }

    if ($self->{pt}) {
      if (defined $masklen) {
        $masklen =~ /^\d{1,3}\z/
          or die "Network mask not supported, use a CIDR syntax: '$cidr_orig'";
      }
      my $key = $cidr;
      my $prefix_len = $masklen;
      if ($is_ip4) {
        $key = '::ffff:' . $key;  # turn it into an IPv4-mapped IPv6 addresses
        $prefix_len += 96  if defined $prefix_len;
      }
      $prefix_len = 128  if !defined $prefix_len;
      $key .= '/' . $prefix_len;
    # dbg("netset: add_cidr (patricia trie) %s => %s",
    #     $cidr_orig, $exclude ? '!'.$key : $key);
      defined eval {
        $self->{pt}->add_string($key, $exclude ? '!'.$key : $key)
      } or warn "netset: illegal IP address given (patricia trie): ".
                "'$key': $@\n";
    }

    $cidr .= '/' . $masklen  if defined $masklen;

    my $ip = NetAddr::IP->new($cidr);
    if (!defined $ip) {
      warn "netset: illegal IP address given: '$cidr_orig'\n";
      next;
    }
  # dbg("netset: add_cidr %s => %s => %s", $cidr_orig, $cidr, $ip);

    # if this is an IPv4 address, create an IPv6 representation, too
    my ($ip4, $ip6);
    if ($is_ip4) {
      $ip4 = $ip;
      $ip6 = $self->_convert_ipv4_cidr_to_ipv6($cidr);
    } else {
      $ip6 = $ip;
    }

    # bug 5931: this is O(n^2).  bad if there are lots of nets. There are  good
    # reasons to keep it for linting purposes, though, so don't start skipping
    # it until we have over 200 nets in our list
    if (scalar @{$self->{nets}} < 200) {
      next if ($self->is_net_declared($ip4, $ip6, $exclude, 0));
    }

    # note: it appears a NetAddr::IP object takes up about 279 bytes
    push @{$self->{nets}}, {
      exclude => $exclude,
      ip4     => $ip4,
      ip6     => $ip6,
      as_string => $cidr_orig,
    };
    $numadded++;
  }

  $self->{num_nets} += $numadded;
  $numadded;
}

sub get_num_nets {
  my ($self) = @_;
  return $self->{num_nets};
}

sub _convert_ipv4_cidr_to_ipv6 {
  my ($self, $cidr) = @_;

  # only do this for IPv4 addresses
  return unless $cidr =~ /^\d+[.\/]/;

  if ($cidr !~ /\//) {      # no mask
    return NetAddr::IP->new6("::ffff:".$cidr);
  }

  # else we have a CIDR mask specified. use new6() to do this
  #
  my $ip6 = NetAddr::IP->new6($cidr)->cidr;
  # 127.0.0.1 -> 0:0:0:0:0:0:7F00:0001/128
  # 127/8 -> 0:0:0:0:0:0:7F00:0/104

  # now, move that from 0:0:0:0:0:0: space to 0:0:0:0:0:ffff: space
  if (!defined $ip6 || $ip6 !~ /^0:0:0:0:0:0:(.*)$/) {
    warn "oops! unparseable IPv6 address for $cidr: $ip6";
    return;
  }

  return NetAddr::IP->new6("::ffff:$1");
}

sub _nets_contains_network {
  my ($self, $net4, $net6, $exclude, $quiet, $netname, $declared) = @_;

  return 0 unless (defined $self->{nets});

  foreach my $net (@{$self->{nets}}) {
    # check to see if the new network is contained by the old network
    my $in4 = defined $net4 && defined $net->{ip4} && $net->{ip4}->contains($net4);
    my $in6 = defined $net6 && defined $net->{ip6} && $net->{ip6}->contains($net6);
    if ($in4 || $in6) {
      warn sprintf("netset: cannot %s %s as it has already been %s\n",
                   $exclude ? "exclude" : "include",
                   $netname,
                   $net->{exclude} ? "excluded" : "included") unless $quiet;
      # a network that matches an excluded network isn't contained by "nets"
      # return 0 if we're not just looking to see if the network was declared
      return 0 if (!$declared && $net->{exclude});
      return 1;
    }
  }
  return 0;
}

sub is_net_declared {
  my ($self, $net4, $net6, $exclude, $quiet) = @_;
  return $self->_nets_contains_network($net4, $net6, $exclude,
                $quiet, $net4 || $net6, 1);
}

sub contains_ip {
  my ($self, $ip) = @_;
  my $result = 0;

  if (!$self->{num_nets}) { return 0 }

  $self->{cache_attempts}++;
  if ($self->{cache} && exists $self->{cache}{$ip}) {
    dbg("netset: %s cached lookup on %s, %d networks, result: %s",
        $self->{name}, $ip, $self->{num_nets}, $self->{cache}{$ip});
    $self->{cache_hits}++;
    return $self->{cache}{$ip};

  } elsif ($self->{pt}) {
    # do a quick lookup on a Patricia Trie
    my $t0 = time;
    local($1,$2,$3,$4); local $_ = $ip;
    $_ = $1  if /^ \[ ( [^\]]* ) \] \z/xs;  # discard optional brackets
    s/%[A-Z0-9:._-]+\z//si;  # discard interface specification
    if (m{^ (\d+) \. (\d+) \. (\d+) \. (\d+) \z}x) {
      $_ = sprintf('::ffff:%d.%d.%d.%d', $1,$2,$3,$4);
    } else {
      s/^IPv6://si;  # discard optional 'IPv6:' prefix
    }
    eval { $result = $self->{pt}->match_string($_); 1 }  or undef $result;
    $result = defined $result && $result !~ /^!/ ? 1 : 0;
    dbg("netset: %s patricia lookup on %s, %d networks, result: %s, %.3f ms",
         $self->{name}, $ip, $self->{num_nets}, $result, 1000*(time - $t0));
  } else {
    # do a sequential search on a list of NetAddr::IP objects
    my $t0 = time;
    my ($ip4, $ip6);
    if ($ip =~ /^\d+\./) {
      $ip4 = NetAddr::IP->new($ip);
      $ip6 = $self->_convert_ipv4_cidr_to_ipv6($ip);
    } else {
      $ip6 = NetAddr::IP->new($ip);
    }
    foreach my $net (@{$self->{nets}}) {
      if ((defined $ip4 && defined $net->{ip4} && $net->{ip4}->contains($ip4))
       || (defined $ip6 && defined $net->{ip6} && $net->{ip6}->contains($ip6))){
        $result = !$net->{exclude};
        last;
      }
    }
    dbg("netset: %s lookup on %s, %d networks, result: %s, %.3f ms",
         $self->{name}, $ip, $self->{num_nets}, $result, 1000*(time - $t0));
  }

  $self->{cache}{$ip} = $result;
  return $result;
}

sub contains_net {
  my ($self, $net) = @_;
  my $exclude = $net->{exclude};
  my $net4 = $net->{ip4};
  my $net6 = $net->{ip6};
  return $self->_nets_contains_network($net4, $net6, $exclude, 1, "", 0);
}

sub ditch_cache {
  my ($self) = @_;
  if (exists $self->{cache}) {
    dbg("netset: ditch cache on %s", $self->{name});
    delete $self->{cache};
  }
}

sub clone {
  my ($self) = @_;
  my $dup = Mail::SpamAssassin::NetSet->new($self->{name});
  if ($self->{nets}) {
    @{$dup->{nets}} = @{$self->{nets}};
  }
  if ($self->{pt}) {
    my $dup_pt = $dup->{pt};
    $self->{pt}->climb(sub {
      my $key = $_[0]; $key =~ s/^!//;
      defined eval { $dup_pt->add_string($key, $_[0]) }
        or die "Adding a network $_[0] to a patricia trie failed: $@";
      1;
    });
  }
  $dup->{num_nets} = $self->{num_nets};
  return $dup;
}

###########################################################################

1;

Youez - 2016 - github.com/yon3zu
LinuXploit