1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
|
# /MLOCK <channel> <mode>
#
# Locks the channel mode to <mode>, if someone else tries to change the mode
# Irssi will automatically change it back. +k and +l are a bit special since
# they require the parameter. If you omit the parameter, like setting the
# mode to "+ntlk", Irssi will allow all +k and +l (or -lk) mode changes.
# You can remove the lock with /MODE #channel -
use Irssi;
use Irssi::Irc;
use strict;
use vars qw($VERSION %IRSSI);
$VERSION = "1.00";
%IRSSI = (
authors => 'Timo Sirainen',
name => 'mlock',
description => 'Channel mode locking',
license => 'Public Domain',
changed => 'Sun Mar 10 23:18 EET 2002'
);
my %keep_channels;
sub cmd_mlock {
my ($data, $server) = @_;
my ($channel, $mode) = split(/ /, $data, 2);
if ($mode eq "-") {
# remove checking
delete $keep_channels{$channel};
} else {
$keep_channels{$channel} = $mode;
mlock_check_mode($server, $channel);
}
}
sub mlock_check_mode {
my ($server, $channame) = @_;
my $channel = $server->channel_find($channame);
return if (!$channel || !$channel->{chanop});
my $keep_mode = $keep_channels{$channame};
return if (!$keep_mode);
# old channel mode
my ($oldmode, $oldkey, $oldlimit);
$oldmode = $channel->{mode};
$oldmode =~ s/^([^ ]*).*/\1/;
$oldkey = $channel->{key};
$oldlimit = $channel->{limit};
# get the new channel key/limit
my (@newmodes, $newkey, $limit);
@newmodes = split(/ /, $keep_mode); $keep_mode = $newmodes[0];
if ($keep_mode =~ /k/) {
if ($keep_mode =~ /k.*l/) {
$newkey = $newmodes[1];
$limit = $newmodes[2];
} elsif ($keep_mode =~ /l.*k/) {
$limit = $newmodes[1];
$newkey = $newmodes[2];
} else {
$newkey = $newmodes[1];
}
} elsif ($keep_mode =~ /l/) {
$limit = $newmodes[1];
}
# check the differences
my %allmodes;
$keep_mode =~ s/^\+//;
for (my $n = 0; $n < length($keep_mode); $n++) {
my $modechar = substr($keep_mode, $n, 1);
$allmodes{$modechar} = '+';
}
for (my $n = 0; $n < length($oldmode); $n++) {
my $modechar = substr($oldmode, $n, 1);
if ($allmodes{$modechar} eq '+') {
next if (($modechar eq "k" && $newkey ne $oldkey) ||
($modechar eq "l" && $limit != $oldlimit));
delete $allmodes{$modechar};
} else {
$allmodes{$modechar} = '-';
}
}
# create the mode change string
my ($modecmd, $extracmd);
foreach my $mode (keys %allmodes) {
Irssi::print("key = '$mode':".$allmodes{$mode});
if ($mode eq "k") {
if ($allmodes{$mode} eq '+') {
next if ($newkey eq "");
if ($oldkey ne "") {
# we need to get rid of old key too
$modecmd .= "-k";
$extracmd .= " $oldkey";
}
$extracmd .= " $newkey";
} else {
$extracmd .= " $oldkey";
}
}
if ($mode eq "l" && $allmodes{$mode} eq '+') {
next if ($limit <= 0);
$extracmd .= " $limit";
}
$modecmd .= $allmodes{$mode}.$mode;
}
if ($modecmd ne "") {
$channel->{server}->command("mode $channame $modecmd$extracmd");
}
}
sub mlock_mode_changed {
my ($server, $data) = @_;
my ($channel, $mode) = split(/ /, $data, 2);
mlock_check_mode($server, $channel);
}
sub mlock_synced {
my $channel = $_[0];
mlock_check_mode($channel->{server}, $channel->{name});
}
Irssi::command_bind('mlock', 'cmd_mlock');
Irssi::signal_add_last("event mode", "mlock_mode_changed");
Irssi::signal_add("channel synced", "mlock_synced");
|
