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Reduce scope of $ancestor to nick-changes only

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Move message account debug log messages behind a debug toggle
This commit is contained in:
Pragmatic Software 2016-11-30 09:28:19 -08:00
parent 8ba4ffffe4
commit 3091516cc6
1 changed files with 13 additions and 17 deletions
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30
PBot/AntiFlood.pm
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@ -330,7 +330,6 @@ sub check_flood {
my ($newnick) = $text =~ m/NICKCHANGE (.*)/;
$mask = "$newnick!$user\@$host";
$account = $self->{pbot}->{messagehistory}->get_message_account($newnick, $user, $host);
$self->{pbot}->{messagehistory}->{database}->update_hostmask_data($mask, { last_seen => scalar gettimeofday });
$nick = $newnick;
} else {
$self->{pbot}->{logger}->log(sprintf("%-18s | %-65s | %s\n", lc $channel eq lc $mask ? "QUIT" : $channel, $mask, $text));
@ -342,16 +341,12 @@ sub check_flood {
return;
}
$self->{pbot}->{logger}->log("Processing anti-flood account $account for mask $mask\n");
my $ancestor = $self->{pbot}->{messagehistory}->{database}->get_ancestor_id($account);
if ($ancestor != $account) {
$self->{pbot}->{logger}->log("Using ancestor id $ancestor\n");
$account = $ancestor;
}
$self->{pbot}->{logger}->log("Processing anti-flood account $account " . ($ancestor != $account ? "[ancestor $ancestor] " : '') . "for mask $mask\n") if $self->{pbot}->{registry}->get_value('antiflood', 'debug_account');
if ($mode == $self->{pbot}->{messagehistory}->{MSG_NICKCHANGE}) {
$self->{nickflood}->{$account}->{changes}++;
$self->{pbot}->{logger}->log("account $account has $self->{nickflood}->{$account}->{changes} nickchanges\n");
$self->{nickflood}->{$ancestor}->{changes}++;
$self->{pbot}->{logger}->log("account $ancestor has $self->{nickflood}->{$ancestor}->{changes} nickchanges\n");
}
# handle QUIT events
@ -379,7 +374,7 @@ sub check_flood {
if($mode == $self->{pbot}->{messagehistory}->{MSG_NICKCHANGE}) {
$channels = $self->{pbot}->{nicklist}->get_channels($nick);
$self->{pbot}->{logger}->log("Nick changes for $account: $self->{nickflood}->{$account}->{changes}\n");
$self->{pbot}->{logger}->log("Nick changes for $ancestor: $self->{nickflood}->{$ancestor}->{changes}\n");
} else {
$self->update_join_watch($account, $channel, $text, $mode);
push @$channels, $channel;
@ -551,19 +546,19 @@ sub check_flood {
$self->{pbot}->{conn}->privmsg($nick, "You have used too many commands in too short a time period, you have been ignored for $length.");
}
next;
} elsif($mode == $self->{pbot}->{messagehistory}->{MSG_NICKCHANGE} and $self->{nickflood}->{$account}->{changes} >= $max_messages) {
} elsif($mode == $self->{pbot}->{messagehistory}->{MSG_NICKCHANGE} and $self->{nickflood}->{$ancestor}->{changes} >= $max_messages) {
next if $channel !~ /^#/;
($nick) = $text =~ m/NICKCHANGE (.*)/;
$self->{nickflood}->{$account}->{offenses}++;
$self->{nickflood}->{$account}->{changes} = $max_messages - 2; # allow 1 more change (to go back to original nick)
$self->{nickflood}->{$account}->{timestamp} = gettimeofday;
$self->{nickflood}->{$ancestor}->{offenses}++;
$self->{nickflood}->{$ancestor}->{changes} = $max_messages - 2; # allow 1 more change (to go back to original nick)
$self->{nickflood}->{$ancestor}->{timestamp} = gettimeofday;
if($self->{pbot}->{registry}->get_value('antiflood', 'enforce')) {
my $length = $self->{pbot}->{registry}->get_array_value('antiflood', 'nick_flood_punishment', $self->{nickflood}->{$account}->{offenses} - 1);
my $length = $self->{pbot}->{registry}->get_array_value('antiflood', 'nick_flood_punishment', $self->{nickflood}->{$ancestor}->{offenses} - 1);
$self->{pbot}->{chanops}->ban_user_timed("*!$user\@" . address_to_mask($host), $channel, $length);
$length = duration($length);
$self->{pbot}->{logger}->log("$nick nickchange flood offense " . $self->{nickflood}->{$account}->{offenses} . " earned $length ban\n");
$self->{pbot}->{logger}->log("$nick nickchange flood offense " . $self->{nickflood}->{$ancestor}->{offenses} . " earned $length ban\n");
$self->{pbot}->{conn}->privmsg($nick, "You have been temporarily banned due to nick-change flooding. You will be unbanned in $length.");
}
}
@ -937,8 +932,9 @@ sub check_bans {
return;
}
if (exists $self->{nickflood}->{$message_account} and $self->{nickflood}->{$message_account}->{offenses} > 0 and $baninfo->{type} ne 'blacklist') {
if (gettimeofday - $self->{nickflood}->{$message_account}->{timestamp} < 60 * 15) {
my $ancestor = $self->{pbot}->{messagehistory}->{database}->get_ancestor_id($message_account);
if (exists $self->{nickflood}->{$ancestor} and $self->{nickflood}->{$ancestor}->{offenses} > 0 and $baninfo->{type} ne 'blacklist') {
if (gettimeofday - $self->{nickflood}->{$ancestor}->{timestamp} < 60 * 15) {
$self->{pbot}->{logger}->log("anti-flood: [check-bans] $mask evading nick-flood ban, disregarding\n");
return;
}