/usr/share/irssi/scripts/autoopper.pl is in irssi-scripts 20120326.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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use POSIX;
use strict;
use Socket;
use vars qw($VERSION %IRSSI);
$VERSION = "3.7";
%IRSSI = (
authors => 'Toni Salomäki',
name => 'autoopper',
contact => 'Toni@IRCNet',
description => 'Auto-op script with dynamic address support and random delay',
license => 'GNU GPLv2 or later',
url => 'http://vinku.dyndns.org/irssi_scripts/'
);
# This is a script to auto-op people on a certain channel (all or, represented with *).
# Users are auto-opped on join with random delay.
# There is a possibility to use dns aliases (for example dyndns.org) for getting the correct address.
# The auto-op list is stored into ~/.irssi/autoop
#
# To get the dynamic addresses to be refreshed automatically, set value to autoop_dynamic_refresh (in hours)
# The value will be used next time the script is loaded (at startup or manual load)
#
# NOTICE: the datafile is in completely different format than in 1.0 and this version cannot read it. Sorry.
#
# COMMANDS:
#
# autoop_show - Displays list of auto-opped hostmasks & channels
# The current address of dynamic host is displayed in parenthesis
#
# autoop_add - Add new auto-op. Parameters hostmask, channel (or *) and dynamic flag
#
# Dynamic flag has 3 different values:
# 0: treat host as a static ip
# 1: treat host as an alias for dynamic ip
# 2: treat host as an alias for dynamic ip, but do not resolve the ip (not normally needed)
#
# autoop_del - Remove auto-op
#
# autoop_save - Save auto-ops to file (done normally automatically)
#
# autoop_load - Load auto-ops from file (use this if you have edited the autoop -file manually)
#
# autoop_check - Check all channels and op people needed
#
# autoop_dynamic - Refresh dynamic addresses (automatically if parameter set)
#
# Data is stored in ~/.irssi/autoop
# format: host channels flag
# channels separated with comma
# one host per line
my (%oplist);
my (@opitems);
srand();
#resolve dynamic host
sub resolve_host {
my ($host, $dyntype) = @_;
if (my $iaddr = inet_aton($host)) {
if ($dyntype ne "2") {
if (my $newhost = gethostbyaddr($iaddr, AF_INET)) {
return $newhost;
} else {
return inet_ntoa($iaddr);
}
} else {
return inet_ntoa($iaddr);
}
}
return "error";
}
# return list of dynamic hosts with real addresses
sub fetch_dynamic_hosts {
my %hostcache;
my $resultext;
foreach my $item (@opitems) {
next if ($item->{dynamic} ne "1" && $item->{dynamic} ne "2");
my (undef, $host) = split(/\@/, $item->{mask}, 2);
# fetch the host's real address (if not cached)
unless ($hostcache{$host}) {
$hostcache{$host} = resolve_host($host, $item->{dynamic});
$resultext .= $host . "\t" . $hostcache{$host} . "\n";
}
}
chomp $resultext;
return $resultext;
}
# fetch real addresses for dynamic hosts
sub cmd_change_dynamic_hosts {
pipe READ, WRITE;
my $pid = fork();
unless (defined($pid)) {
Irssi::print("Can't fork - aborting");
return;
}
if ($pid > 0) {
# the original process, just add a listener for pipe
close (WRITE);
Irssi::pidwait_add($pid);
my $target = {fh => \*READ, tag => undef};
$target->{tag} = Irssi::input_add(fileno(READ), INPUT_READ, \&read_dynamic_hosts, $target);
} else {
# the new process, fetch addresses and write to the pipe
print WRITE fetch_dynamic_hosts;
close (READ);
close (WRITE);
POSIX::_exit(1);
}
}
# get dynamic hosts from pipe and change them to users
sub read_dynamic_hosts {
my $target = shift;
my $rh = $target->{fh};
my %hostcache;
while (<$rh>) {
chomp;
my ($dynhost, $realhost, undef) = split (/\t/, $_, 3);
$hostcache{$dynhost} = $realhost;
}
close($target->{fh});
Irssi::input_remove($target->{tag});
my $mask;
my $count = 0;
undef %oplist if (%oplist);
foreach my $item (@opitems) {
if ($item->{dynamic} eq "1" || $item->{dynamic} eq "2") {
my ($user, $host) = split(/\@/, $item->{mask}, 2);
$count++ if ($item->{dynmask} ne $hostcache{$host});
$item->{dynmask} = $hostcache{$host};
$mask = $user . "\@" . $hostcache{$host};
} else {
$mask = $item->{mask};
}
foreach my $channel (split (/,/,$item->{chan})) {
$oplist{$channel} .= "$mask ";
}
}
chop %oplist;
Irssi::print("$count dynamic hosts changed") if ($count > 0);
}
# Save data to file
sub cmd_save_autoop {
my $file = Irssi::get_irssi_dir."/autoop";
open FILE, "> $file" or return;
foreach my $item (@opitems) {
printf FILE ("%s\t%s\t%s\n", $item->{mask}, $item->{chan}, $item->{dynamic});
}
close FILE;
Irssi::print("Auto-op list saved to $file");
}
# Load data from file
sub cmd_load_autoop {
my $file = Irssi::get_irssi_dir."/autoop";
open FILE, "< $file" or return;
undef @opitems if (@opitems);
while (<FILE>) {
chomp;
my ($mask, $chan, $dynamic, undef) = split (/\t/, $_, 4);
my $item = {mask=>$mask, chan=>$chan, dynamic=>$dynamic, dynmask=>undef};
push (@opitems, $item);
}
close FILE;
Irssi::print("Auto-op list reloaded from $file");
cmd_change_dynamic_hosts;
}
# Show who's being auto-opped
sub cmd_show_autoop {
my %list;
foreach my $item (@opitems) {
foreach my $channel (split (/,/,$item->{chan})) {
$list{$channel} .= "\n" . $item->{mask};
$list{$channel} .= " (" . $item->{dynmask} . ")" if ($item->{dynmask});
}
}
Irssi::print("All channels:" . $list{"*"}) if (exists $list{"*"});
delete $list{"*"}; #this is already printed, so remove it
foreach my $channel (sort (keys %list)) {
Irssi::print("$channel:" . $list{$channel});
}
}
# Add new auto-op
sub cmd_add_autoop {
my ($data) = @_;
my ($mask, $chan, $dynamic, undef) = split(" ", $data, 4);
my $found = 0;
if ($chan eq "" || $mask eq "" || !($mask =~ /.+!.+@.+/)) {
Irssi::print("Invalid hostmask. It must contain both ! and @.") if (!($mask =~ /.+!.+@.+/));
Irssi::print("Usage: /autoop_add <hostmask> <*|#channel> [dynflag]");
Irssi::print("Dynflag: 0 normal, 1 dynamic, 2 dynamic without resolving");
return;
}
foreach my $item (@opitems) {
next unless ($item->{mask} eq $mask);
$found = 1;
$item->{chan} .= ",$chan";
last;
}
if ($found == 0) {
$dynamic = "0" unless ($dynamic eq "1" || $dynamic eq "2");
my $item = {mask=>$mask, chan=>$chan, dynamic=>$dynamic, dynmask=>undef};
push (@opitems, $item);
}
$oplist{$chan} .= " $mask";
Irssi::print("Added auto-op: $chan: $mask");
}
# Remove autoop
sub cmd_del_autoop {
my ($data) = @_;
my ($mask, $channel, undef) = split(" ", $data, 3);
if ($channel eq "" || $mask eq "") {
Irssi::print("Usage: /autoop_del <hostmask> <*|#channel>");
return;
}
my $i=0;
foreach my $item (@opitems) {
if ($item->{mask} eq $mask) {
if ($channel eq "*" || $item->{chan} eq $channel) {
splice @opitems, $i, 1;
Irssi::print("Removed: $mask");
} else {
my $newchan;
foreach my $currchan (split (/,/,$item->{chan})) {
if ($channel eq $currchan) {
Irssi::print("Removed: $channel from $mask");
} else {
$newchan .= $currchan . ",";
}
}
chop $newchan;
Irssi::print("Couldn't remove $channel from $mask") if ($item->{chan} eq $newchan);
$item->{chan} = $newchan;
}
last;
}
$i++;
}
}
# Do the actual opping
sub do_autoop {
my $target = shift;
Irssi::timeout_remove($target->{tag});
# nick has to be fetched again, because $target->{nick}->{op} is not updated
my $nick = $target->{chan}->nick_find($target->{nick}->{nick});
# if nick is changed during delay, it will probably be lost here...
if ($nick->{nick} ne "") {
if ($nick->{host} eq $target->{nick}->{host}) {
$target->{chan}->command("op " . $nick->{nick}) unless ($nick->{op});
} else {
Irssi::print("Host changed for nick during delay: " . $nick->{nick});
}
}
undef $target;
}
# Someone joined, might be multiple person. Check if opping is needed
sub event_massjoin {
my ($channel, $nicklist) = @_;
my @nicks = @{$nicklist};
return if (!$channel->{chanop});
my $masks = $oplist{"*"} . " " . $oplist{$channel->{name}};
foreach my $nick (@nicks) {
my $host = $nick->{host};
$host=~ s/^~//g; # remove this if you don't want to strip ~ from username (no ident)
next unless ($channel->{server}->masks_match($masks, $nick->{nick}, $host));
my $min_delay = Irssi::settings_get_int("autoop_min_delay");
my $max_delay = Irssi::settings_get_int("autoop_max_delay") - $min_delay;
my $delay = int(rand($max_delay)) + $min_delay;
my $target = {nick => $nick, chan => $channel, tag => undef};
$target->{tag} = Irssi::timeout_add($delay, 'do_autoop', $target);
}
}
# Check channel op status
sub do_channel_check {
my $target = shift;
Irssi::timeout_remove($target->{tag});
my $channel = $target->{chan};
my $server = $channel->{server};
my $masks = $oplist{"*"} . " " . $oplist{$channel->{name}};
my $nicks = "";
foreach my $nick ($channel->nicks()) {
next if ($nick->{op});
my $host = $nick->{host};
$host=~ s/^~//g; # remove this if you don't want to strip ~ from username (no ident)
if ($server->masks_match($masks, $nick->{nick}, $host)) {
$nicks = $nicks . " " . $nick->{nick};
}
}
$channel->command("op" . $nicks) unless ($nicks eq "");
undef $target;
}
#check people needing opping after getting ops
sub event_nickmodechange {
my ($channel, $nick, $setby, $mode, $type) = @_;
return unless (($mode eq '@') && ($type eq '+'));
my $server = $channel->{server};
return unless ($server->{nick} eq $nick->{nick});
my $min_delay = Irssi::settings_get_int("autoop_min_delay");
my $max_delay = Irssi::settings_get_int("autoop_max_delay") - $min_delay;
my $delay = int(rand($max_delay)) + $min_delay;
my $target = {chan => $channel, tag => undef};
$target->{tag} = Irssi::timeout_add($delay, 'do_channel_check', $target);
}
#Check all channels / all users if someone needs to be opped
sub cmd_autoop_check {
my ($data, $server, $witem) = @_;
foreach my $channel ($server->channels()) {
Irssi::print("Checking: " . $channel->{name});
next if (!$channel->{chanop});
my $masks = $oplist{"*"} . " " . $oplist{$channel->{name}};
foreach my $nick ($channel->nicks()) {
next if ($nick->{op});
my $host = $nick->{host};
$host=~ s/^~//g; # remove this if you don't want to strip ~ from username (no ident)
if ($server->masks_match($masks, $nick->{nick}, $host)) {
$channel->command("op " . $nick->{nick}) if (!$nick->{op});
}
}
}
}
#Set dynamic refresh period.
sub set_dynamic_refresh {
my $refresh = Irssi::settings_get_int("autoop_dynamic_refresh");
return if ($refresh == 0);
Irssi::print("Dynamic host refresh set for $refresh hours");
Irssi::timeout_add($refresh*3600000, 'cmd_change_dynamic_hosts', undef);
}
Irssi::command_bind('autoop_show', 'cmd_show_autoop');
Irssi::command_bind('autoop_add', 'cmd_add_autoop');
Irssi::command_bind('autoop_del', 'cmd_del_autoop');
Irssi::command_bind('autoop_save', 'cmd_save_autoop');
Irssi::command_bind('autoop_load', 'cmd_load_autoop');
Irssi::command_bind('autoop_check', 'cmd_autoop_check');
Irssi::command_bind('autoop_dynamic', 'cmd_change_dynamic_hosts');
Irssi::signal_add_last('massjoin', 'event_massjoin');
Irssi::signal_add_last('setup saved', 'cmd_save_autoop');
Irssi::signal_add_last('setup reread', 'cmd_load_autoop');
Irssi::signal_add_last("nick mode changed", "event_nickmodechange");
Irssi::settings_add_int('autoop', 'autoop_max_delay', 15000);
Irssi::settings_add_int('autoop', 'autoop_min_delay', 1000);
Irssi::settings_add_int('autoop', 'autoop_dynamic_refresh', 0);
cmd_load_autoop;
set_dynamic_refresh;
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