/
ripecheck.tcl
1235 lines (1107 loc) · 54.8 KB
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ripecheck.tcl
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#
# ripecheck.tcl Version: 3.3-dev Author: Stefan Wold <ratler@stderr.eu>
###
# Info:
# This script check unresolved ip addresses against a RIPE database
# and ban the user if the country match your configured top domains.
# Features:
# * Configuration through dcc console
# * Per channel settings
# * Can handle top domain banning for name based hosts
# * Custom bantime
# * Support extra resolving for domains like info, com, net, org
# to find hosts that actually have an ip from a country
# you wish to ban.
# * Customizable ban messages with simple keyword support, see .help ripeconfig
# * Builtin help pages, see .help ripecheck or .help
# * !ripeinfo <nick|host> to get verbose information from whois about the host
# * !ripeinfo and !ripecheck are available as public commands and through private
# /msg to the bot (if enabled)
# * Ban counter, number of times ripecheck have banned someone in the channel
# * !ripestatus [*|#channel] show settings and bancount stats for the channel
# * Whitelist mode. Only let hosts from a country specified by the TLD list
# enter the channel, everyone else get banned.
###
# Require / Depends:
# TCL >= 8.5
# tcllib >= 1.8 (http://www.tcl.tk/software/tcllib/)
###
# Usage:
# Load the script and change the topdomains you
# wish to ban.
#
# testripecheck <channel> <host>
# Test host or ip from dcc console with your current settings
#
# chanset <channel> <+/->ripecheck
# This will either enable (+) or disable (-) the script for the
# specified channel
#
# chanset <channel> ripecheck.bantime <number>
# For how long should the ban be active in minutes
#
# chanset <channel> <+/->ripecheck.topchk
# Enable (+) or disable (-) top domain resolve check
#
# chanset <channel> <+/->ripecheck.topban
# Enable (+) or disable (-) top domain banning based on
# the topdomain list
#
# chanset <channel> <+/->ripecheck.pubcmd
# Enable (+) or disable (-) public commands (!ripecheck)
#
# chanset <channel> <+/->ripecheck.whitelist
# Enable (+) or disable (-) whitelist mode
# The whitelist mode reverse the ripecheck behavior when matching
# a country against the topdomain list. Instead of banning a country that
# exist in the topdomain list it will let that host enter the channel and ban
# everyone else.
#
# +ripetopresolv <channel> <topdomain|*>
# Add a top domain or regexp pattern that you want to resolve for
# further ripe checking. It's possible that domains like com, info, org
# could be from a country that is banned in the top domain list.
# Example (match .com): .+ripetopresolv #channel com
# Example (match everything): .+ripetopresolv #channel *
#
# -ripetopresolv <channel> <topdomain|*>
# Remove a top resolve domain or regexp pattern from the channel that
# you no longer wish to resolve.
#
# +ripetopdom <channel> <topdomain>
# Add a top domain for the channel that you wish to ban
# Example: .+ripetopdom #channel ro
#
# -ripetopdom <channel> <topdomain>
# Remove a top domain from the channel that you no longer
# wish to ban
#
# ripesettings
# List current channel settings
#
# ripeconfig <option> [value]
# Options:
# banreason [string] : Set custom ban reason, support substitutional keywords, see below
# bantopreason [string] : Set custom TLD ban reason, support substitutional keywords, see below
# msgcmds [on|off] : Enable or Disable commands through private message
# fallback [on|off] : EXPERIMENTAL!!! Use with caution!
# This function will _try_ to detect country for an host where the whois server
# only return a few NET-XXX-XXX-XXX-XXX entries.
# The intention is to replace lastResortMask.
# Examples:
# TLD ban reason: .ripeconfig bantopreason Hello %nick%, TLD '%tld%' is not allowed here
# Ban reason: .ripeconfig banreason Sorry %country%(%tld%) is not allowed in here
# Enable msgcmds: .ripeconfig msgcmds on
# Disable msgcmds: .ripeconfig msgcmds off
# Substitutional keywords, current keywords are:
# %tld% = Top level domain, ie .us, .se, .no
# %country% = Country name
# %nick% = Nickname of the user being banned
# *NOTE*:
# To completely remove an option from the configuration leave \[value\] blank, ie .ripeconfig msgcmds
#
# help ripecheck
# View ripecheck command help page through dcc console
#
# Public channel commands:
# !ripecheck <nick|host>
# !ripeinfo <nick|host>
# !ripegeo <nick|host>
# !ripestatus [*|#channel]
#
# Private msg commands:
# !ripecheck <host>
# !ripeinfo <host>
# !ripegeo <host>
###
# Tested:
# eggdrop v1.6.19 GNU/Linux with tcl 8.5 and tcllib 1.10
###
# BUGS?!
# If you discover any problems please send an e-mail
# to ratler@stderr.eu with as detailed information as possible
# on how to reproduce the issue.
###
# LICENSE:
# Copyright (C) 2006 - 2010 Stefan Wold <ratler@stderr.eu>
#
# This code comes with ABSOLUTELY NO WARRANTY
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
# RIPE Country Checker
if {[namespace exists ::ripecheck]} {namespace delete ::ripecheck}
namespace eval ::ripecheck {
# --- Settings ---
# RIPE query timeout setting, default 5 seconds
variable rtimeout 5
# Set console output flag, for debug purpose (default d, ie .console +d)
variable conflag d
# Path to netmask file
variable iplistfile "scripts/iplist.txt"
# Path to channel settings file
variable chanfile "ripecheckchan.dat"
# Path to tld country list file
variable tldfile "scripts/tld_country_list.txt"
}
# ---- Only edit stuff below this line if you know what you are doing ----
# Channel flags
setudef flag ripecheck
setudef flag ripecheck.topchk
setudef flag ripecheck.topban
setudef flag ripecheck.pubcmd
setudef flag ripecheck.whitelist
setudef int ripecheck.bantime
# Packages
package require ip
package require http
# Bindings
bind join - *!*@* ::ripecheck::onJoin
bind dcc -|- testripecheck ::ripecheck::test
bind dcc m|ov +ripetopdom ::ripecheck::addTopDom
bind dcc m|ov -ripetopdom ::ripecheck::delTopDom
bind dcc m|ov +ripetopresolv ::ripecheck::addTopResolve
bind dcc m|ov -ripetopresolv ::ripecheck::delTopResolve
bind dcc m|ov ripeconfig ::ripecheck::config
bind dcc -|- ripesettings ::ripecheck::settings
bind dcc -|- help ::ripecheck::help
bind pub -|- !ripecheck ::ripecheck::pubRipeCheck
bind msg -|- !ripecheck ::ripecheck::msgRipeCheck
bind pub -|- !ripeinfo ::ripecheck::pubRipeInfo
bind msg -|- !ripeinfo ::ripecheck::msgRipeInfo
bind pub -|- !ripestatus ::ripecheck::pubRipeStatus
bind msg -|- !ripegeo ::ripecheck::msgRipeGeo
bind pub -|- !ripegeo ::ripecheck::pubRipeGeo
namespace eval ::ripecheck {
# Global variables
variable version "3.3-dev"
variable ipinfodb "http://ipinfodb.com/ip_query.php?ip="
variable maskarray
variable chanarr
variable topresolv
variable config
variable constate
variable tldtocountry
variable bancount
# Parse ip list file
if {[file exists $::ripecheck::iplistfile]} {
set fid [open $::ripecheck::iplistfile r]
while { ![eof $fid] } {
gets $fid line
if {[regexp {^[0-9]} $line]} {
regexp -nocase {^([0-9\.\/]+)[[:space:]]+([a-z0-9\.]+)} $line dummy mask whoisdb
lappend ::ripecheck::maskarray $mask
set ::ripecheck::maskhash($mask) $whoisdb
}
}
close $fid
# These two variables should _ALWAYS_ be of the same size, otherwise something is wrong
putloglev $::ripecheck::conflag * "ripecheck: DEBUG - IP file loaded with [llength $::ripecheck::maskarray] netmask(s)"
putloglev $::ripecheck::conflag * "ripecheck: DEBUG - IP file loaded with [array size ::ripecheck::maskhash] whois entries"
}
# Read settings - only at startup
if {[file exists $::ripecheck::chanfile]} {
set fchan [open $::ripecheck::chanfile r]
while { ![eof $fchan] } {
gets $fchan line
if {[regexp {^\#} $line]} {
set ::ripecheck::chanarr([string tolower [lindex [split $line :] 0]]) [split [lindex [split $line :] 1] ,]
} elseif {[regexp {^topresolv} $line]} {
set ::ripecheck::topresolv([string tolower [lindex [split $line :] 1]]) [split [lindex [split $line :] 2] ,]
} elseif {[regexp {^config} $line]} {
set ::ripecheck::config([lindex [split $line :] 1]) [lindex [split $line :] 2]
} elseif {[regexp {^stats:bancount} $line]} {
set ::ripecheck::bancount([lindex [split $line :] 2]) [lindex [split $line :] 3]
}
}
close $fchan
putloglev $::ripecheck::conflag * "ripecheck: DEBUG - Channel file loaded with settings for [array size ::ripecheck::chanarr] channel(s)"
putloglev $::ripecheck::conflag * "ripecheck: DEBUG - Top resolv domains loaded for [array size ::ripecheck::topresolv] channel(s)"
}
# Read tld_country_list
if {[file exists $::ripecheck::tldfile]} {
set ftld [open $::ripecheck::tldfile r]
while { ![eof $ftld] } {
gets $ftld line
if {[regexp {^[a-z]} $line]} {
regexp -nocase {^([a-z]{2,6})[[:space:]]+(.*)} $line -> tld country
set ::ripecheck::tldtocountry($tld) $country
}
}
close $ftld
putloglev $::ripecheck::conflag * "ripecheck: DEBUG - TLD country list loaded with [array size ::ripecheck::tldtocountry] entries"
}
# Functions
proc onJoin { nick host handle channel } {
# Lower case channel
set channel [string tolower $channel]
# Only run if channel is defined
if {![channel get $channel ripecheck]} { return 1 }
# Exclude ops, voice, friends
if {[matchattr $handle fov|fov $channel]} {
putloglev $::ripecheck::conflag * "ripecheck: $nick is on exempt list"
return 1
}
# Check if channel has a domain list or complain about it and then abort
if {![info exists ::ripecheck::chanarr($channel)]} {
putlog "ripecheck: Ripecheck is enabled but '$channel' has no domain list!"
return 1
}
# Get IP/Host part
regexp ".+@(.+)" $host matches iphost
set iphost [string tolower $iphost]
# Top domain ban if enabled
if {[channel get $channel ripecheck.topban] && ![regexp {[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}$} $iphost]} {
set htopdom [lindex [split $iphost "."] end]
if {(![channel get $channel ripecheck.whitelist] && [lsearch -exact $::ripecheck::chanarr($channel) $htopdom] != -1) || \
([channel get $channel ripecheck.whitelist] && [lsearch -exact $::ripecheck::chanarr($channel) $htopdom] == -1 && ![::ripecheck::isInTopResolve $channel $htopdom])} {
set country [::ripecheck::getCountry $htopdom]
set template [list %nick% $nick \
%domain% $htopdom \
%tld% $htopdom \
%country% $country]
set bantime [channel get $channel ripecheck.bantime]
if {[info exists ::ripecheck::config(bantopreason)]} {
set banreason [::ripecheck::templateReplace $::ripecheck::config(bantopreason) $template]
} else {
set banreason "RIPE Country Check: Top domain .$htopdom is banned."
}
putlog "ripecheck: Matched top domain '$htopdom' banning *!*@*.$htopdom on $channel for $bantime minute(s)"
::ripecheck::incrBanCount $channel
newchanban $channel "*!*@*.$htopdom" ripecheck $banreason $bantime
return 1
}
}
# Only run RIPE check on numeric IP unless ripecheck.topchk is enabled
if {[regexp {[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}$} $iphost]} {
putloglev $::ripecheck::conflag * "ripecheck: DEBUG - Found numeric IP $iphost ... scanning"
::ripecheck::whoisFindServer $iphost $iphost 1 $nick $channel $host ripecheck
} elseif {[channel get $channel ripecheck.topchk]} {
# Check if channel has a resolve domain list or complain about it and then abort
if {![info exists ::ripecheck::topresolv($channel)]} {
putlog "ripecheck: Ripecheck is enabled but '$channel' has no resolve domain list!"
return 0
}
putloglev $::ripecheck::conflag * "ripecheck: DEBUG - Checking if host match the top resolve list..."
set htopdom [lindex [split $iphost "."] end]
if {[::ripecheck::isInTopResolve $channel $htopdom]} {
putloglev $::ripecheck::conflag * "ripecheck: DEBUG - Matched top resolve domain '$htopdom' for host '$iphost'"
dnslookup $iphost ::ripecheck::whoisFindServer $nick $channel $host ripecheck
}
}
}
proc notifySender { nick channel rtype msg } {
putloglev $::ripecheck::conflag * "ripecheck: DEBUG: Entering notifySender()"
if {$rtype == "pubRipeCheck" || $rtype == "pubRipeInfo" || $rtype == "pubRipeGeo"} {
puthelp "PRIVMSG $channel :$nick: \[ripecheck\] $msg"
} elseif {$rtype == "msgRipeInfo" || $rtype == "msgRipeCheck" || $rtype == "msgRipeGeo"} {
puthelp "PRIVMSG $nick :ripecheck: $msg"
}
}
proc ripecheck { ip host nick channel orghost ripe } {
putloglev $::ripecheck::conflag * "ripecheck: DEBUG - Entering ripecheck()"
set bantime [channel get $channel ripecheck.bantime]
if {(![channel get $channel ripecheck.whitelist] && [lsearch -exact $::ripecheck::chanarr($channel) $ripe] != -1) || \
([channel get $channel ripecheck.whitelist] && [lsearch -exact $::ripecheck::chanarr($channel) $ripe] == -1)} {
putloglev $::ripecheck::conflag * "ripecheck: DEBUG - ripecheck() matched '$ripe'"
set country [::ripecheck::getCountry $ripe]
set template [list %nick% $nick \
%ripe% $ripe \
%tld% $ripe \
%country% $country]
if {[info exists ::ripecheck::config(banreason)]} {
set banreason [::ripecheck::templateReplace $::ripecheck::config(banreason) $template]
} else {
set banreason "RIPE Country Check: Matched $country \[$ripe\]"
}
putlog "ripecheck: Matched country $country \[$ripe\] banning $nick!$orghost on $channel for $bantime minute(s)"
::ripecheck::incrBanCount $channel
newchanban $channel "*!*@$host" ripecheck $banreason $bantime
}
}
proc incrBanCount { channel } {
if {![info exists ::ripecheck::bancount($channel)]} {
set ::ripecheck::bancount($channel) 1
} else {
set ::ripecheck::bancount($channel) [expr $::ripecheck::bancount($channel) + 1]
}
::ripecheck::writeSettings
}
proc getBanCount { channel } {
if {![info exists ::ripecheck::bancount($channel)]} {
return 0
}
return $::ripecheck::bancount($channel)
}
# Return length of the longest string
proc getLongLength { str1 str2 } {
set strlen1 [string length $str1]
set strlen2 [string length $str2]
if {$strlen2 <= $strlen1} {
return $strlen1
}
return $strlen2
}
# Return ipinfodb data
proc getGeoData { ip } {
# TODO: Proper error control for the http connection
set http [::http::geturl $::ripecheck::ipinfodb$ip]
set httpData [::http::data $http]
::http::cleanup $http
# TODO: Consider using tdom or other xml parser
regexp {(?i)<Status>([^<>]+)} $httpData -> geoData(Status)
dict set geoDict Status $geoData(Status)
# If status ok parse the rest
if {$geoData(Status) == "OK"} {
foreach tag [list "Ip" "CountryCode" "CountryName" "RegionCode" "RegionName" "City" "ZipPostalCode" "Latitude" "Longitude"] {
regexp "(?i)<$tag>(\[^<>\]+)" $httpData -> geoData($tag)
# Set blank if regexp fail to get value or if value is empty
if {![info exists geoData($tag)]} {
set geoData($tag) ""
}
dict set geoDict $tag $geoData($tag)
}
}
return $geoDict
}
proc test { nick idx arg } {
if {[llength [split $arg]] != 2} {
::ripecheck::help $nick $idx testripecheck; return 0
}
foreach {channel ip} $arg {break}
set ip [string tolower $ip]
set channel [string tolower $channel]
if {[validchan $channel]} {
# First we check if topban is enabled
if {[channel get $channel ripecheck.topban] && ![regexp {[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}$} $ip]} {
set htopdom [lindex [split $ip "."] end]
if {(![channel get $channel ripecheck.whitelist] && [lsearch -exact $::ripecheck::chanarr($channel) $htopdom] != -1) || \
([channel get $channel ripecheck.whitelist] && [lsearch -exact $::ripecheck::chanarr($channel) $htopdom] == -1 && ![::ripecheck::isInTopResolve $channel $htopdom])} {
putloglev $::ripecheck::conflag * "ripecheck: DEBUG - Topban matched '$htopdom' for host '$ip', host would get banned!"
return 1
}
}
if {[regexp {[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}$} $ip]} {
::ripecheck::whoisFindServer $ip "" "" $nick $channel "" testRipeCheck
} else {
putloglev $::ripecheck::conflag * "ripecheck: DEBUG - Resolving..."
set htopdom [lindex [split $ip "."] end]
if {[lsearch -exact $::ripecheck::topresolv($channel) "*"] != -1 || [lsearch -exact $::ripecheck::topresolv($channel) $htopdom] != -1} {
putloglev $::ripecheck::conflag * "ripecheck: DEBUG - Matched top resolve domain '$htopdom' for host '$ip' on '$channel'"
dnslookup $ip ::ripecheck::whoisFindServer $nick $channel "" testRipeCheck
} else {
putidx $idx "ripecheck: TEST - Host '$ip' did not match one of the top resolve domains, would not get banned."
}
}
} else {
putdcc $idx "\002RIPECHECK\002: Invalid channel $channel"
}
}
proc ripeInfo { target inetnum netname mntby country descr } {
putloglev $::ripecheck::conflag * "ripecheck: DEBUG - Entering ripeInfo()"
set countryname [::ripecheck::getCountry $country]
if {$countryname == ""} {
set countrystring $country
} else {
set countrystring "$countryname \[[string toupper $country]\]"
}
# Get proper string lengths for [format]
set inetnumlen [getLongLength $inetnum "INETNUM"]
set netnamelen [getLongLength $netname "NETNAME"]
set mntbylen [getLongLength $mntby "MNT-BY"]
set countrylen [getLongLength $countrystring "COUNTRY"]
set descrlen [getLongLength $descr "DESCRIPTION"]
set msgheader [format "%-*s | %-*s | %-*s | %-*s | %-*s" $inetnumlen "INETNUM" \
$netnamelen "NETNAME" \
$mntbylen "MNT-BY" \
$countrylen "COUNTRY" \
$descrlen "DESCRIPTION"]
set msg [format "%-*s | %-*s | %-*s | %-*s | %-*s" $inetnumlen $inetnum \
$netnamelen $netname \
$mntbylen $mntby \
$countrylen $countrystring \
$descrlen $descr]
putquick "PRIVMSG $target :$msgheader"
putquick "PRIVMSG $target :$msg"
}
proc geoInfo { ip host status nick channel rtype } {
putloglev $::ripecheck::conflag * "ripecheck: DEBUG - Entering geoInfo()"
if {$status == 0} {
::ripecheck::notifySender $nick $channel $rtype "Failed to resolve '$host'!"
putlog "ripecheck: Couldn't resolve '$host'. No further action taken."
return 0
}
set geoData [::ripecheck::getGeoData $ip]
if {[dict get $geoData Status] != "OK"} {
::ripecheck::notifySender $nick $channel $rtype "ERROR: [dict get $geoData Status]"
return 0
}
# Get lengths for format
dict for {geoKey geoVal} $geoData {
set len($geoKey) [getLongLength [encoding convertfrom utf-8 $geoVal] $geoKey]
}
set googleUrl "http://maps.google.com/maps?q=[dict get $geoData Latitude],[dict get $geoData Longitude]&z=7"
set msgheader [format "%-*s | %-*s | %-*s | %-*s | %-*s | %-*s | %-*s" \
$len(Ip) "IP" \
$len(CountryName) "CountryName" \
$len(RegionName) "RegionName" \
$len(City) "City" \
$len(Latitude) "Latitude" \
$len(Longitude) "Longitude" \
3 "Map"]
set msg [format "%-*s | %-*s | %-*s | %-*s | %-*s | %-*s | %-*s" \
$len(Ip) [dict get $geoData Ip] \
$len(CountryName) [dict get $geoData CountryName] \
$len(RegionName) [dict get $geoData RegionName] \
$len(City) [dict get $geoData City] \
$len(Latitude) [dict get $geoData Latitude] \
$len(Longitude) [dict get $geoData Longitude] \
3 $googleUrl]
if {$rtype == "pubRipeGeo"} {
set target $channel
} else {
set target $nick
}
putquick "PRIVMSG $target :$msgheader"
putquick "PRIVMSG $target :$msg"
}
proc testripecheck { nick ip host channel ripe } {
# Get idx from nick (handle)
set idx [hand2idx $nick]
if {$idx != -1} {
if {(![channel get $channel ripecheck.whitelist] && [lsearch -exact $::ripecheck::chanarr($channel) $ripe] != -1) || \
([channel get $channel ripecheck.whitelist] && [lsearch -exact $::ripecheck::chanarr($channel) $ripe] == -1)} {
putidx $idx "ripecheck: TEST - Testripecheck matched country '$ripe' for host '$host ($ip)' on channel '$channel', host would get banned!"
} else {
putidx $idx "ripecheck: TEST - Testripecheck host '$host ($ip)' would not get banned!"
}
}
}
proc status { outchannel channel} {
if {[info exists ::ripecheck::topresolv($channel)]} {
set topresolve [join $::ripecheck::topresolv($channel) ", "]
} else {
set topresolve "No TLD set"
}
if {[info exists ::ripecheck::chanarr($channel)]} {
set tlds [join $::ripecheck::chanarr($channel) ", "]
} else {
set tlds "No TLD set"
}
putquick "PRIVMSG $outchannel :Status $channel -- Bans set by ripecheck: [::ripecheck::getBanCount $channel]"
if {[channel get $channel ripecheck.whitelist]} {
putquick "PRIVMSG $outchannel : Allowed TLD(s): $tlds | Resolve TLD(s): $topresolve"
} else {
putquick "PRIVMSG $outchannel : Banned TLDs(s): $tlds | Resolve TLD(s): $topresolve"
}
}
proc pubParseIp { nick host handle channel ip rtype } {
if {[regexp {[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}.[0-9]{1,3}$} $ip]} {
if {$rtype == "pubRipeGeo" || $rtype == "msgRipeGeo"} {
::ripecheck::geoInfo $ip $ip "" $nick $channel $rtype
} else {
set iptype [::ip::type $ip]
if {$iptype != "normal"} {
::ripecheck::notifySender $nick $channel $rtype "Sorry but '$ip' is from a '$iptype' range"
} else {
::ripecheck::whoisFindServer $ip $ip "" $nick $channel "" $rtype
}
}
} else {
if {$rtype == "pubRipeGeo" || $rtype == "msgRipeGeo"} {
dnslookup $ip ::ripecheck::geoInfo $nick $channel $rtype
} else {
dnslookup $ip ::ripecheck::whoisFindServer $nick $channel "" $rtype
}
}
}
proc pubRipeCheck { nick host handle channel arg } {
set channel [string tolower $channel]
if {![channel get $channel ripecheck.pubcmd]} { return 0 }
set ip [::ripecheck::nickOrHost $channel $arg]
::ripecheck::pubParseIp $nick $host $handle $channel $ip pubRipeCheck
}
proc msgRipeCheck { nick host handle ip } {
# Check if msgcmds is enabled
if {[::ripecheck::isConfigEnabled msgcmds]} {
::ripecheck::pubParseIp $nick $host $handle "" $ip msgRipeCheck
}
}
proc pubRipeInfo { nick host handle channel arg } {
set channel [string tolower $channel]
if {![channel get $channel ripecheck.pubcmd]} { return 0 }
set ip [::ripecheck::nickOrHost $channel $arg]
::ripecheck::pubParseIp $nick $host $handle $channel $ip pubRipeInfo
}
proc msgRipeInfo { nick host handle ip } {
# Check if msgcmds is enabled
if {[::ripecheck::isConfigEnabled msgcmds]} {
::ripecheck::pubParseIp $nick $host $handle "" $ip msgRipeInfo
}
}
proc pubRipeGeo { nick host handle channel arg } {
set channel [string tolower $channel]
if {![channel get $channel ripecheck.pubcmd]} { return 0 }
set ip [::ripecheck::nickOrHost $channel $arg]
::ripecheck::pubParseIp $nick $host $handle $channel $ip pubRipeGeo
}
proc msgRipeGeo { nick host handle ip } {
if {[::ripecheck::isConfigEnabled msgcmds]} {
::ripecheck::pubParseIp $nick $host $handle "" $ip msgRipeGeo
}
}
proc pubRipeStatus { nick host handle channel arg } {
set channel [string tolower $channel]
if {![channel get $channel ripecheck.pubcmd]} { return 0 }
# Grab only first arg and ignore the rest
set arg [string tolower [lindex [split $arg] 0]]
if {$arg == "*"} {
foreach chan [channels] {
if {[channel get $chan ripecheck]} {
::ripecheck::status $channel $chan
}
}
} elseif {$arg != "" && [channel get $arg ripecheck]} {
::ripecheck::status $channel $arg
} else {
::ripecheck::status $channel $channel
}
}
proc nickOrHost { channel arg } {
set arg [lindex [split $arg] 0]
# Check if arg is a nick or return arg
if {[onchan $arg $channel]} {
# Extract host from nick
regexp ".+@(.+)" [getchanhost $arg $channel] -> host
set host [string tolower $host]
if {$host != ""} {
return $host
}
}
return $arg
}
# Lookup which whois server to query and call whois_connect
proc whoisFindServer { ip host status nick channel orghost rtype } {
if {$status == 0} {
::ripecheck::notifySender $nick $channel $rtype "Failed to resolve '$host'!"
putlog "ripecheck: Couldn't resolve '$host'. No further action taken."
return 0
}
# Abort if we stumble upon a private or reserved net range
set iptype [::ip::type $ip]
if {$iptype != "normal"} {
putlog "ripecheck: '$ip' is from a '$iptype' range. No further action taken."
return 0
}
set matchmask [::ip::longestPrefixMatch $ip $::ripecheck::maskarray]
set whoisdb [string tolower $::ripecheck::maskhash($matchmask)]
set whoisport 43
putloglev $::ripecheck::conflag * "ripecheck: DEBUG - Matching mask $matchmask using whois DB: $whoisdb"
if {$whoisdb == "unallocated"} {
::ripecheck::notifySender $nick $channel $rtype "Unallocated netmask!"
putlog "ripecheck: Unallocated netmask, bailing out!"
return 0
}
::ripecheck::whoisConnect $ip $host $nick $channel $orghost $whoisdb $whoisport $rtype
}
proc whoisConnect { ip host nick channel orghost whoisdb whoisport rtype } {
# Setup timeout
after [expr {int($::ripecheck::rtimeout * 1000)}] set ::ripecheck::constate "timeout"
if {[catch {socket -async $whoisdb $whoisport} sock]} {
::ripecheck::notifySender $nick $channel $rtype "ERROR: Failed to connect to '$whoisdb'!"
putlog "ripecheck: ERROR: Failed to connect to server $whoisdb!" ; return -1
}
fconfigure $sock -buffering line
fileevent $sock writable [list ::ripecheck::whoisCallback $ip $host $nick $channel $orghost $sock $whoisdb $rtype]
vwait ::ripecheck::constate
if { $::ripecheck::constate == "timeout" } {
::ripecheck::notifySender $nick $channel $rtype "ERROR: Connection timeout using '$whoisdb'!"
close $sock
putlog "ripecheck: ERROR: Connection timeout against $whoisdb"; return -1
}
}
proc whoisCallback { ip host nick channel orghost sock whoisdb rtype } {
putloglev $::ripecheck::conflag * "ripecheck: DEBUG - Entering whois_callback..."
set whoisdata(inetnum) "No info"
set whoisdata(netname) "No info"
set whoisdata(mntby) "No info"
set whoisdata(descr) "No info"
if {[string equal {} [fconfigure $sock -error]]} {
puts $sock $ip
flush $sock
putloglev $::ripecheck::conflag * "ripecheck: DEBUG - State 'connected' with '$whoisdb'"
set ::ripecheck::constate "connected"
while {![eof $sock]} {
set row [gets $sock]
if {[regexp -line -nocase {referralserver:\s*(.*)} $row -> referral]} {
set referral [string tolower $referral]
putloglev $::ripecheck::conflag * "ripecheck: DEBUG - Found whois referral server: $referral"
# Extract the whois server from $referral
if {[regexp -line -nocase {^whois://(.*[^/])/?} $referral -> referral]} {
foreach {referral whoisport} [split $referral :] { break }
# Set default port if empty
if {$whoisport == ""} {
set whoisport 43
}
# Close socket, don't want to many sockets open simultaneously
close $sock
# Time for some recursive looping ;)
putloglev $::ripecheck::conflag * "ripecheck: DEBUG - Following referral server, new server is '$referral', port '$whoisport'"
::ripecheck::whoisConnect $ip $host $nick $channel $orghost $referral $whoisport $rtype
return 1
} elseif {[regexp -line -nocase {^rwhois://.*} $referral]} {
# Ignore rwhois for now
putloglev $::ripecheck::conflag * "ripecheck: DEBUG - Ignoring rwhois referral"
continue
} else {
putlog "ripecheck: ERROR: Unknown referral type from '$whoisdb' for ip '$ip', please bug report this line."
close $sock; return 0
}
} elseif {[regexp -line -nocase {country:\s*([a-z]{2,6})} $row -> data]} {
set whoisdata(country) [string tolower $data]
putloglev $::ripecheck::conflag * "ripecheck: DEBUG - $whoisdb answer: $whoisdata(country)"
} elseif {[regexp -line -nocase {netname:\s*(.*)} $row -> data]} {
set whoisdata(netname) $data
} elseif {[regexp -line -nocase {descr:\s*(.*)} $row -> data] && ![info exists whoisdata(descr)]} {
set whoisdata(descr) $data
} elseif {[regexp -line -nocase {mnt-by:\s*(.*)} $row -> data]} {
set whoisdata(mntby) $data
} elseif {[regexp -line -nocase {inetnum:\s*(.*)} $row -> data]} {
set whoisdata(inetnum) $data
} elseif {[regexp -line {.*\((NET-[0-9]{1,3}-[0-9]{1,3}-[0-9]{1,3}.*)\)} $row -> data]} {
set whoisdata(fallback) $data
}
}
close $sock
putloglev $::ripecheck::conflag * "ripecheck: DEBUG - End of while-loop in whois_callback"
# Experimental feature that might replace lastResortMasks in the future
if {[::ripecheck::isConfigEnabled fallback] && ![info exists whoisdata(country)] && [info exists whoisdata(fallback)]} {
putloglev $::ripecheck::conflag * "ripecheck: DEBUG - Using fallback method (EXPERIMENTAL) for '$whoisdata(fallback)' original host was $host ($ip)"
::ripecheck::whoisConnect $whoisdata(fallback) $host $nick $channel $orghost $whoisdb 43 $rtype
return 1
}
# Last resort, check if we get a match from hardcoded netmasks
if {![info exists whoisdata(country)] && [::ripecheck::lastResortMasks $ip] != ""} {
set whoisdata(country) [::ripecheck::lastResortMasks $ip]
putloglev $::ripecheck::conflag * "ripecheck: DEBUG - Got '$whoisdata(country)' from lastResortMasks"
}
if {[info exists whoisdata(country)]} {
putloglev $::ripecheck::conflag * "ripecheck: DEBUG - Running mode: '$rtype' for country: $whoisdata(country)"
set country [::ripecheck::getCountry $whoisdata(country)]
switch -- $rtype {
ripecheck {
::ripecheck::ripecheck $ip $host $nick $channel $orghost $whoisdata(country)
}
testRipeCheck {
::ripecheck::testripecheck $nick $ip $host $channel $whoisdata(country)
}
pubRipeCheck {
::ripecheck::notifySender $nick $channel $rtype "$host is located in $country \[[string toupper $whoisdata(country)]\]"
}
msgRipeCheck {
::ripecheck::notifySender $nick $channel $rtype "$host is located in $country \[[string toupper $whoisdata(country)]\]"
}
pubRipeInfo {
::ripecheck::ripeInfo $channel $whoisdata(inetnum) $whoisdata(netname) $whoisdata(mntby) $whoisdata(country) $whoisdata(descr)
}
msgRipeInfo {
::ripecheck::ripeInfo $nick $whoisdata(inetnum) $whoisdata(netname) $whoisdata(mntby) $whoisdata(country) $whoisdata(descr)
}
default {
::ripecheck::ripecheck $ip $host $nick $channel $orghost $whoisdata(country)
}
}
} else {
# Respond that something went wrong
::ripecheck::notifySender $nick $channel $rtype "Whois query failed for '$host'!"
putlog "ripecheck: No country found for '$ip'. No further action taken. (Possible bug?)"
}
} else {
set ::ripecheck::constate "timeout"
}
}
# Add top resolv domain for channel and write settings to file
proc addTopResolve { nick idx arg } {
if {[llength [split $arg]] != 2} {
::ripecheck::help $nick $idx +ripetopresolv; return 0
}
foreach {channel topdom} $arg {break}
set channel [string tolower $channel]
set topdom [string tolower $topdom]
if {[validchan $channel]} {
# It's pointless to set a resolv domain if no domains have been added for banning on the
# current channel.
if {[info exists ::ripecheck::chanarr($channel)]} {
# If data exist extract into a list
if {[info exists ::ripecheck::topresolv($channel)]} {
putloglev $::ripecheck::conflag * "ripecheck: DEBUG - topresolv exists"
set dlist $::ripecheck::topresolv($channel)
# top domain doesn't exist so lets add it
if {[lsearch -exact $dlist $topdom] == -1 } {
lappend dlist $topdom
set ::ripecheck::topresolv($channel) $dlist
} else {
putdcc $idx "\002RIPECHECK\002: Resolve domain '$topdom' already exist on $channel"; return 0
}
} else {
putloglev $::ripecheck::conflag * "ripecheck: DEBUG - topresolv doesn't exist"
set dlist [list $topdom]
set ::ripecheck::topresolv($channel) $dlist
}
# Write to the ripecheck channel file
::ripecheck::writeSettings
putdcc $idx "\002RIPECHECK\002: Top resolve domain '$topdom' successfully added to $channel."
} else {
putdcc $idx "\002RIPECHECK\002: You need to add a top domain for $channel before adding a resolve domain."
}
} else {
putdcc $idx "\002RIPECHECK\002: Invalid channel: $channel"
}
}
# Remove resolve domain from channel and write settings to file
proc delTopResolve { nick idx arg } {
if {[llength [split $arg]] != 2} {
::ripecheck::help $nick $idx -ripetopresolv; return 0
}
foreach {channel topdom} $arg {break}
set channel [string tolower $channel]
set topdom [string tolower $topdom]
if {[validchan $channel]} {
if {[info exists ::ripecheck::topresolv($channel)]} {
putloglev $::ripecheck::conflag * "ripecheck: DEBUG - topresolv($channel) exists"
set dlist $::ripecheck::topresolv($channel)
# resolve domain exist so lets remove it
set dlist_index [lsearch -exact $dlist $topdom]
if {$dlist_index != -1 } {
set dlist [lreplace $dlist $dlist_index $dlist_index]
# More magic, lets clear array if the list is empty
if {[llength $dlist] > 0} {
set ::ripecheck::topresolv($channel) $dlist
} else {
unset ::ripecheck::topresolv($channel)
}
} else {
putdcc $idx "\002RIPECHECK\002: Resolve domain '$topdom' doesn't exist on $channel"; return 0
}
} else {
putdcc $idx "\002RIPECHECK\002: Nothing to do, no settings found for $channel."; return 0
}
# Write to the ripecheck channel file
::ripecheck::writeSettings
putdcc $idx "\002RIPECHECK\002: Resolve domain '$topdom' successfully removed from $channel."
} else {
putdcc $idx "\002RIPECHECK\002: Invalid channel: $channel"
}
}
# List channel and top resolv domains
proc settings { nick idx arg } {
putdcc $idx "### \002Settings\002 - Ripecheck v$::ripecheck::version by Ratler ###"
if {[array size ::ripecheck::chanarr] > 0} {
foreach channel [array names ::ripecheck::chanarr] {
if {[validchan $channel]} {
putdcc $idx "### \002Channel:\002 $channel"
if {[channel get $channel ripecheck.whitelist]} {
putdcc $idx " Whitelist mode: On"
putdcc $idx " \002Allowed domains:\002 [join $::ripecheck::chanarr($channel) ", "]"
} else {
putdcc $idx " Whitelist mode: Off"
putdcc $idx " \002Banned domains:\002 [join $::ripecheck::chanarr($channel) ", "]"
}
if {[info exists ::ripecheck::topresolv($channel)]} {
putdcc $idx " \002Resolve domains:\002 [join $::ripecheck::topresolv($channel) ", "]"
}
}
}
} else {
putdcc $idx "### No channel settings exist."
}
foreach option [array names ::ripecheck::config] {
putdcc $idx "### \002$option:\002 $::ripecheck::config($option)"
}
}
# Function to set general options
proc config { nick idx arg } {
if {!([llength [split $arg]] > 0)} {
::ripecheck::help $nick $idx ripeconfig; return 0
}
# Allowed string options
set allowed_str_opts [list banreason bantopreason]
# Allowed boolean options
set allowed_bool_opts [list msgcmds fallback]
set option [string tolower [lindex [split $arg] 0]]
set value [join [lrange [split $arg] 1 end]]
# Check option type
if {[lsearch -exact $allowed_str_opts $option] != -1} {
if {$value != ""} {
set ::ripecheck::config($option) $value
putdcc $idx "\002RIPECHECK\002: Option '$option' set with the value '$value'"
} else {
if {[info exists ::ripecheck::config($option)]} {
unset ::ripecheck::config($option)
}
# Always output unset msg for convenience
putdcc $idx "\002RIPECHECK\002: Option '$option' unset"
}
} elseif {[lsearch -exact $allowed_bool_opts $option] != -1} {
set value [string tolower $value]
if {[string is boolean $value] && $value != ""} {
set ::ripecheck::config($option) $value
putdcc $idx "\002RIPECHECK\002: Option '$option' set with the value '$value'"
} elseif { $value == "" } {
if {[info exists ::ripecheck::config($option)]} {
unset ::ripecheck::config($option)
}
# Always output unset msg for convenience
putdcc $idx "\002RIPECHECK\002: Option '$option' unset"
} else {
putdcc $idx "\002RIPECHECK\002: Value '$value' is not a boolean, should be true|false|on|off|1|0"
return 0
}
} else {
putdcc $idx "\002RIPECHECK\002: Invalid option '$option', valid options are: [join $allowed_str_opts ", "], [join $allowed_bool_opts ", "]"
return 0
}
::ripecheck::writeSettings
}
# Add top domain to channel and write settings to file
proc addTopDom { nick idx arg } {
if {[llength [split $arg]] != 2} {
::ripecheck::help $nick $idx +ripetopdom; return 0
}
foreach {channel topdom} $arg {break}
set channel [string tolower $channel]
set topdom [string tolower $topdom]
if {[validchan $channel]} {
# If data exist extract into a list
if {[info exists ::ripecheck::chanarr($channel)]} {
putloglev $::ripecheck::conflag * "ripecheck: DEBUG - chanarr exists"