5 if {![info exists nick
]} { set nick Blight
}
6 if {![info exists ownfullname
]} { set ownfullname
"here to Help" }
7 set ownmailaddr blight
@chiark.greenend.org.uk
9 if {![info exists globalsecret
]} {
10 set gsfile
[open /dev
/urandom r
]
11 fconfigure $gsfile -translation binary
12 set globalsecret
[read $gsfile 32]
13 binary scan $globalsecret H
* globalsecret
18 proc try_except_finally
{try except finally
} {
19 global errorInfo errorCode
20 set er
[catch { uplevel 1 $try } emsg
]
24 if {[catch { uplevel 1 $except } emsg3
]} {
25 append ei
"\nALSO ERROR HANDLING ERROR:\n$emsg3"
28 set er2
[catch { uplevel 1 $finally } emsg2
]
31 append ei
"\nALSO ERROR CLEANING UP:\n$emsg2"
33 return -code $er -errorinfo $ei -errorcode $ec $emsg
35 return -code $er2 -errorinfo $errorInfo -errorcode $errorCode $emsg2
41 proc sendout
{command args
} {
43 if {[llength $args]} {
44 set la
[lindex $args end
]
45 set args
[lreplace $args end end
]
47 if {[regexp {[: ]} $i]} {
48 error "bad argument in output $i ($command $args)"
53 set args
[lreplace $args 0 -1 $command]
54 set string [join $args { }]
55 puts "[clock seconds] -> $string"
63 proc logerror
{data
} {
68 global saveei saveec errorInfo errorCode
73 puts ">$saveec|$saveei<"
85 if {[gets $sock line
] == -1} { set terminate
1; return }
86 regsub -all "\[^ -\176\240-\376\]" $line ? line
88 if {[regexp -nocase {^
:([^
]+) (.
*)} $line dummy prefix remain
]} {
90 if {[regexp {^
([^
!]+)!} $prefix dummy maybenick
] &&
91 "[irctolower $maybenick]" == "[irctolower $nick]"} return
95 if {![string length
$line]} { return }
96 if {![regexp -nocase {^
([0-9a-z
]+) *(.
*)} $line dummy command line
]} {
97 log
"bad command: $org"
100 set command
[string toupper
$command]
102 while {[regexp {^
([^
:]+) *(.
*)} $line dummy thisword line
]} {
103 lappend params
$thisword
105 if {[regexp {^
:(.
*)} $line dummy thisword
]} {
106 lappend params
$thisword
107 } elseif
{[string length
$line]} {
108 log
"junk at end: $org"
111 if {"$command" == "PRIVMSG" &&
112 [regexp {^
[&#+!]} [lindex $params 0]] &&
113 ![regexp {^
!} [lindex $params 1]]} {
114 # on-channel message, ignore
116 recordlastseen_p
$prefix "talking on [lindex $params 0]" 1
120 log
"[clock seconds] <- $org"
121 set procname msg_
$command
122 if {[catch { info body
$procname }]} { return }
124 eval [list $procname $prefix $command] $params
126 logerror
"error: $emsg ($prefix $command $params)"
131 proc sendprivmsg
{dest l
} {
132 sendout
[expr {[ischan
$dest] ?
"PRIVMSG" : "NOTICE"}] $dest $l
134 proc sendaction
{dest what
} { sendout PRIVMSG
$dest "\001ACTION $what\001" }
135 proc msendprivmsg
{dest ll
} { foreach l
$ll { sendprivmsg
$dest $l } }
136 proc msendprivmsg_delayed
{delay dest ll
} { after $delay [list msendprivmsg
$dest $ll] }
138 proc prefix_none
{} {
140 if {[string length
$p]} { error "prefix specified" }
143 proc msg_PING
{p c s1
} {
148 proc check_nick
{n
} {
149 if {[regexp -nocase {[^
][\\`_^
{|
}a-z0-9-
]} $n]} { error "bad char in nick" }
150 if {[regexp {^
[-0-9]} $n]} { error "bad nick start" }
154 return [regexp {^
[&#+!]} $dest]
157 proc irctolower
{v
} {
158 foreach {from to
} [list "\\\[" "{" \
162 regsub -all $from $v $to v
164 return [string tolower
$v]
167 proc prefix_nick
{} {
171 if {![regexp {^
([^
!]+)!} $p dummy n
]} { error "not from nick" }
173 if {"[irctolower $n]" == "[irctolower $nick]"} {
174 error "from myself" {} {}
178 proc showintervalsecs
{howlong
} {
179 if {$howlong < 1000} {
182 if {$howlong < 1000000} {
189 set value
[expr "$howlong.0 / $scale"]
190 foreach {min
format} {100 %.0f
10 %.1f
1 %.2f
} {
191 if {$value < $min} continue
192 return [format "$format${pfx}s" $value]
197 proc showinterval
{howlong
} {
201 return "[showintervalsecs $howlong] ago"
205 proc showtime
{when
} {
206 return [showinterval
[expr {[clock seconds
] - $when}]]
209 proc def_msgproc
{name argl body
} {
210 proc msg_
$name "varbase $argl" "\
211 upvar #0 msg/\$varbase/dest d\n\
212 upvar #0 msg/\$varbase/str s\n\
213 upvar #0 msg/\$varbase/accum a\n\
217 def_msgproc begin
{dest str
} {
223 def_msgproc
append {str
} {
225 if {[string length
$s] && [string length
$ns] > 65} {
226 msg__sendout
$varbase
227 set s
" [string trimleft $str]"
233 def_msgproc finish
{} {
234 msg__sendout
$varbase
240 def_msgproc _sendout
{} {
241 lappend a
[string trimright
$s]
245 proc looking_whenwhere
{when where
} {
246 set str
[showtime
[expr {$when-1}]]
247 if {[string length
$where]} { append str
" on $where" }
251 proc recordlastseen_n
{n how here
} {
252 global lastseen lookedfor
253 set lastseen
([irctolower
$n]) [list $n [clock seconds
] $how]
255 upvar #0 lookedfor([irctolower $n]) lf
256 if {[info exists lf
]} {
257 switch -exact [llength $lf] {
262 manyset
[lindex $lf 0] when who where
264 "FYI, $who was looking for you [looking_whenwhere $when $where]."]
267 msg_begin tosend
$n "FYI, people have been looking for you:"
273 msg_append tosend
" "
274 } elseif
{$i == [llength $lf]} {
275 msg_append tosend
" and "
278 msg_append tosend
", "
280 manyset
$e when who where
282 "$who ([looking_whenwhere $when $where])$fin"
284 set ml
[msg_finish tosend
]
288 msendprivmsg_delayed
1000 $n $ml
292 proc recordlastseen_p
{p how here
} {
294 recordlastseen_n
$n $how $here
297 proc chanmode_arg
{} {
299 set rv
[lindex $cm_args 0]
300 set cm_args
[lreplace cm_args
0 0]
304 proc chanmode_o1
{m g p chan
} {
307 set who
[chanmode_arg
]
308 recordlastseen_n
$n "being nice to $who" 1
309 if {"[irctolower $who]" == "[irctolower $nick]"} {
310 sendprivmsg
$n Thanks.
314 proc chanmode_o0
{m g p chan
} {
317 set who
[chanmode_arg
]
318 recordlastseen_p
$p "being mean to $who" 1
319 if {"[irctolower $who]" == "[irctolower $nick]"} {
320 set chandeop
($chan) [list [clock seconds
] $p]
324 proc msg_MODE
{p c dest modelist args
} {
325 if {![ischan
$dest]} return
326 if {[regexp {^
\-(.
+)$} $modelist dummy modelist
]} {
328 } elseif
{[regexp {^
\+(.
+)$} $modelist dummy modelist
]} {
331 error "invalid modelist"
333 foreach m
[split $modelist] {
334 set procname chanmode_
$m$give
335 if {[catch { info body
$procname }]} {
336 recordlastseen_p
$p "fiddling with $dest" 1
338 $procname $m $give $p $dest
343 proc process_kickpart
{chan user
} {
345 if {![ischan
$chan]} { error "not a channel" }
347 upvar #0 nick_onchans($user) oc
348 set lc
[irctolower
$chan]
349 set oc
[grep tc
{"$tc" != "$lc"} $oc]
352 proc msg_KICK
{p c chans users comment
} {
353 set chans
[split $chans ,]
354 set users
[split $users ,]
355 if {[llength $chans] > 1} {
356 foreach chan
$chans user
$users { process_kickpart
$chan $user }
358 foreach user
$users { process_kickpart
[lindex $chans 0] $user }
362 proc msg_KILL
{p c user why
} {
366 set nick_arys
{onchans username
}
368 proc nick_forget
{n
} {
370 foreach ary
$nick_arys {
371 upvar #0 nick_${ary}($n) av
376 proc msg_NICK
{p c newnick
} {
379 recordlastseen_n
$n "changing nicks to $newnick" 0
380 recordlastseen_n
$newnick "changing nicks from $n" 1
381 foreach ary
$nick_arys {
382 upvar #0 nick_${ary}($n) old
383 upvar #0 nick_${ary}($newnick) new
384 if {[info exists new
]} { error "nick collision ?! $ary $n $newnick" }
385 if {[info exists old
]} { set new
$old; unset old
}
389 proc msg_JOIN
{p c chan
} {
391 recordlastseen_n
$n "joining $chan" 1
392 upvar #0 nick_onchans($n) oc
393 lappend oc
[irctolower
$chan]
395 proc msg_PART
{p c chan
} {
397 recordlastseen_n
$n "leaving $chan" 1
398 process_kickpart
$chan $n
400 proc msg_QUIT
{p c why
} {
402 recordlastseen_n
$n "leaving ($why)" 0
406 proc msg_PRIVMSG
{p c dest
text} {
408 if {[ischan
$dest]} {
409 recordlastseen_n
$n "invoking me in $dest" 1
412 recordlastseen_n
$n "talking to me" 1
417 regsub {^
! *} $text {} text
419 set procname ucmd
/[string tolower
$ucmd]
420 if {[catch { info body
$procname }]} {
421 error "unknown command; try help for help"
425 sendprivmsg
$n "error: $rv"
427 manyset
$rv priv_msgs pub_msgs priv_acts pub_acts
428 foreach {td val
} [list $n $priv_acts $output $pub_acts] {
429 foreach l
[split $val "\n"] {
433 foreach {td val
} [list $n $priv_msgs $output $pub_msgs] {
434 foreach l
[split $val "\n"] {
441 proc msg_INVITE
{p c n chan
} {
442 after 1000 [list sendout JOIN
$chan]
445 proc grep
{var predicate
list} {
449 if {[uplevel 1 [list expr $predicate]]} { lappend o
$v }
454 proc msg_353
{p c dest type chan nicklist
} {
455 global names_chans nick_onchans
456 if {![info exists names_chans
]} { set names_chans
{} }
457 set chan
[irctolower
$chan]
458 lappend names_chans
$chan
459 foreach n
[array names nick_onchans
] {
460 upvar #0 nick_onchans($n) oc
461 set oc
[grep tc
{"$tc" != "$chan"} $oc]
463 foreach n
[split $nicklist { }] {
464 regsub {^
[@+]} $n {} n
466 if {![string length
$n]} continue
467 upvar #0 nick_onchans($n) oc
472 proc msg_366
{p c args
} {
473 global names_chans nick_onchans
474 if {[llength names_chans
] > 1} {
475 foreach n
[array names nick_onchans
] {
476 upvar #0 nick_onchans($n) oc
477 set oc
[grep tc
{[lsearch -exact $tc $names_chans] >= 0} $oc]
478 if {![llength $oc]} { nick_forget
$n }
486 if {[string length
$text]} { error "too many parameters" }
491 if {![regexp {^
([^
]+) *(.
*)} $text dummy firstword
text]} {
492 error "too few parameters"
504 proc def_ucmd
{cmdname body
} {
505 proc ucmd
/$cmdname {p dest
} " upvar 1 text text\n$body"
508 proc ucmdr
{priv pub args
} {
509 return -code return [concat [list $priv $pub] $args]
515 catch { unset help_topics
}
516 set f
[open helpinfos r
]
518 while {[gets $f l
] >= 0} {
520 if {[regexp {^
#.*} $l]} {
521 } elseif
{[regexp {^
*$} $l]} {
522 if {[info exists topic
]} {
523 set help_topics
($topic) [join $lines "\n"]
527 } elseif
{[regexp {^
!([-+._0-9a-z
]*)$} $l dummy newtopic
]} {
528 if {[info exists topic
]} { error "help $newtopic while in $topic" }
531 } elseif
{[regexp {^
[^
!#]} $l]} {
533 lappend lines
[string trimright
$l]
535 error "eh ? $lno: $l"
538 if {[info exists topic
]} { error "unfinished topic $topic" }
542 upvar #0 help_topics([irctolower [string trim $text]]) info
543 if {![info exists
info]} { ucmdr
"No help on $text, sorry." {} }
549 ucmdr
$help_topics() {}
552 proc manyset
{list args
} {
553 foreach val
$list var
$args {
559 proc check_username
{target
} {
561 [string length
$target] > 8 ||
562 [regexp {[^
-0-9a-z
]} $target] ||
563 ![regexp {^
[a-z
]} $target]
564 } { error "invalid username" }
567 proc nickdb__head
{} {
569 set nl
[irctolower
$n]
570 upvar #0 nickdb($nl) ndbe
571 binary scan $nl H
* nh
573 if {![info exists ndbe
] && [file exists
$nfn]} {
574 set f
[file open $nfn r
]
575 try_except_finally
{ set newval
[read $f] } {} { close $f }
576 if {[llength $newval] % 2} { error "invalid length" }
582 proc def_nickdb
{name arglist body
} {
583 proc nickdb_
$name $arglist "nickdb__head; $body"
586 def_nickdb exists
{n
} {
587 return [info exists ndbe
]
590 def_nickdb delete
{n
} {
595 set default_settings
{timeformat ks
}
597 def_nickdb
set {n args
} {
598 global default_settings
599 if {![info exists ndbe
]} { set ndbe
$default_settings }
600 foreach {key value
} [concat $ndbe $args] { set a
($key) $value }
602 foreach {key value
} [array get a
] { lappend newval
$key $value }
603 set f
[open $nfn.new w
]
607 file rename -force $nfn.new
$nfn
615 def_nickdb opt
{n key
} {
616 global default_settings
617 if {[info exists ndbe
]} {
620 set l
$default_settings
622 foreach {tkey value
} $l {
623 if {"$tkey" == "$key"} { return $value }
625 error "unset setting $key"
628 proc check_notonchan
{} {
630 if {[ischan
$dest]} { error "that command must be sent privately" }
633 proc nick_securitycheck
{strict
} {
635 if {![nickdb_exists
$n]} { error "you are unknown to me, use `register'." }
636 set wantu
[nickdb_opt
$n username
]
637 if {![string length
$wantu]} {
639 error "that feature is only available to secure users, sorry."
644 upvar #0 nick_username($n) nu
645 if {![info exists nu
]} {
646 error "nick $n is secure, you must identify yourself first."
648 if {"$wantu" != "$nu"} {
649 error "you are the wrong user - the nick $n belongs to $wantu, not $nu"
656 set old
[nickdb_exists
$n]
657 if {$old} { nick_securitycheck
0 }
658 switch -exact [string tolower
[string trim
$text]] {
660 upvar #0 nick_username($n) nu
661 if {![info exists nu
]} {
663 "You must identify yourself before using `register'. See `help identify'."
665 nickdb_set
$n username
$nu
666 ucmdr
{} {} "makes a note of your username." {}
670 ucmdr
{} {} "forgets your nickname." {}
673 nickdb_set
$n username
{}
675 ucmdr
{} "Security is now disabled for your nickname !"
677 ucmdr
{} "This is fine, but bear in mind that people will be able to mess with your settings. Channel management features need a secure registration." "makes an insecure registration for your nick."
684 set username
[ta_word
]
685 set passmd5
[md5sum
[ta_word
]]
689 upvar #0 nick_onchans($n) onchans
690 if {![info exists onchans
] ||
![llength $onchans]} {
691 ucmdr
"You must be on a channel with me to identify yourself." {}
693 check_username
$username
694 exec userv
--timeout 3 $username << "$passmd5\n" > /dev
/null
\
696 upvar #0 nick_username($n) rec_username
697 set rec_username
$username
698 ucmdr
"Pleased to see you, $username." {}
704 check_username
$target
707 upvar #0 lastsummon($target) ls
708 set now
[clock seconds
]
709 if {[info exists ls
]} {
710 set interval
[expr {$now - $ls}]
711 if {$interval < 30} {
713 "Please be patient; $target was summoned only [showinterval $interval]."
716 regsub {^
[^
!]*!} $p {} path
718 exec userv
--timeout 3 $target irc-summon
$n $path \
719 [expr {[ischan
$dest] ?
"$dest" : ""}] \
722 regsub -all "\n" $rv { / } rv
725 if {[regexp {^problem
(.
*)} $rv dummy problem
]} {
726 ucmdr
{} "The user `$target' $problem."
727 } elseif
{[regexp {^ok
([^
]+) ([0-9]+)$} $rv dummy tty idlesince
]} {
728 set idletime
[expr {$now - $idlesince}]
730 ucmdr
{} {} {} "invites $target ($tty[expr {
731 $idletime > 10 ? ", idle
for [showintervalsecs
$idletime]" : ""
733 [ischan $dest] ? "join us here
" : "talk to you
"
736 error "unexpected response from userv service: $rv"
740 proc md5sum
{value
} { exec md5sum
<< $value }
746 set nlower
[irctolower
$ncase]
748 set now
[clock seconds
]
749 if {"$nlower" == "[irctolower $nick]"} {
750 error "I am not self-aware."
751 } elseif
{![info exists lastseen
($nlower)]} {
752 set rstr
"I've never seen $ncase."
754 manyset
$lastseen($nlower) realnick
time what
755 set howlong
[expr {$now - $time}]
756 set string [showinterval
$howlong]
757 set rstr
"I last saw $realnick $string, $what."
759 if {[ischan
$dest]} {
764 upvar #0 lookedfor($nlower) lf
765 if {[info exists lf
]} { set oldvalue
$lf } else { set oldvalue
{} }
766 set lf
[list [list $now $n $where]]
767 foreach v
$oldvalue {
768 if {"[irctolower [lindex $v 1]]" == "[irctolower $n]"} continue
774 if {![info exists sock
]} {
775 set sock
[socket $host $port]
776 fconfigure $sock -buffering line
777 #fconfigure $sock -translation binary
778 fconfigure $sock -translation crlf
780 sendout USER blight
0 * $ownfullname
782 fileevent $sock readable onread
787 #if {![regexp {tclsh} $argv0]} {