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<"
83 global sock nick calling_nick
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
92 set calling_nick
$maybenick
95 catch { unset calling_nick
}
97 if {![string length
$line]} { return }
98 if {![regexp -nocase {^
([0-9a-z
]+) *(.
*)} $line dummy command line
]} {
99 log
"bad command: $org"
102 set command
[string toupper
$command]
104 while {[regexp {^
([^
:]+) *(.
*)} $line dummy thisword line
]} {
105 lappend params
$thisword
107 if {[regexp {^
:(.
*)} $line dummy thisword
]} {
108 lappend params
$thisword
109 } elseif
{[string length
$line]} {
110 log
"junk at end: $org"
113 if {"$command" == "PRIVMSG" &&
114 [regexp {^
[&#+!]} [lindex $params 0]] &&
115 ![regexp {^
!} [lindex $params 1]]} {
116 # on-channel message, ignore
118 recordlastseen_p
$prefix "talking on [lindex $params 0]" 1
122 log
"[clock seconds] <- $org"
123 set procname msg_
$command
124 if {[catch { info body
$procname }]} { return }
126 eval [list $procname $prefix $command] $params
128 logerror
"error: $emsg ($prefix $command $params)"
133 proc sendprivmsg
{dest l
} {
134 sendout
[expr {[ischan
$dest] ?
"PRIVMSG" : "NOTICE"}] $dest $l
136 proc sendaction
{dest what
} { sendout PRIVMSG
$dest "\001ACTION $what\001" }
137 proc msendprivmsg
{dest ll
} { foreach l
$ll { sendprivmsg
$dest $l } }
138 proc msendprivmsg_delayed
{delay dest ll
} { after $delay [list msendprivmsg
$dest $ll] }
140 proc prefix_none
{} {
142 if {[string length
$p]} { error "prefix specified" }
145 proc msg_PING
{p c s1
} {
150 proc check_nick
{n
} {
151 if {[regexp -nocase {[^
][\\`_^
{|
}a-z0-9-
]} $n]} { error "bad char in nick" }
152 if {[regexp {^
[-0-9]} $n]} { error "bad nick start" }
156 return [regexp {^
[&#+!]} $dest]
159 proc irctolower
{v
} {
160 foreach {from to
} [list "\\\[" "{" \
164 regsub -all $from $v $to v
166 return [string tolower
$v]
169 proc prefix_nick
{} {
173 if {![regexp {^
([^
!]+)!} $p dummy n
]} { error "not from nick" }
175 if {"[irctolower $n]" == "[irctolower $nick]"} {
176 error "from myself" {} {}
180 proc showintervalsecs
{howlong
} {
181 return [showintervalsecs
/[opt timeformat
] $howlong]
184 proc showintervalsecs
/ks
{howlong
} {
185 if {$howlong < 1000} {
188 if {$howlong < 1000000} {
195 set value
[expr "$howlong.0 / $scale"]
196 foreach {min
format} {100 %.0f
10 %.1f
1 %.2f
} {
197 if {$value < $min} continue
198 return [format "$format${pfx}s" $value]
203 proc format_qty
{qty unit
} {
207 if {$qty != 1} { append o s
}
211 proc showintervalsecs
/hms
{qty
} {
212 set ul
{second
60 minute
60 hour
24 day
7 week
}
214 while {[llength $ul] > 1 && $qty >= [set uv
[lindex $ul 1]]} {
215 set remainu
[lindex $ul 0]
216 set remainv
[expr {$qty % $uv}]
217 set qty
[expr {($qty-$remainv)/$uv}]
218 set ul
[lreplace $ul 0 1]
220 set o
[format_qty
$qty [lindex $ul 0]]
223 append o
[format_qty
$remainv $remainu]
228 proc showinterval
{howlong
} {
232 return "[showintervalsecs $howlong] ago"
236 proc showtime
{when
} {
237 return [showinterval
[expr {[clock seconds
] - $when}]]
240 proc def_msgproc
{name argl body
} {
241 proc msg_
$name "varbase $argl" "\
242 upvar #0 msg/\$varbase/dest d\n\
243 upvar #0 msg/\$varbase/str s\n\
244 upvar #0 msg/\$varbase/accum a\n\
248 def_msgproc begin
{dest str
} {
254 def_msgproc
append {str
} {
256 if {[string length
$s] && [string length
$ns] > 65} {
257 msg__sendout
$varbase
258 set s
" [string trimleft $str]"
264 def_msgproc finish
{} {
265 msg__sendout
$varbase
271 def_msgproc _sendout
{} {
272 lappend a
[string trimright
$s]
276 proc looking_whenwhere
{when where
} {
277 set str
[showtime
[expr {$when-1}]]
278 if {[string length
$where]} { append str
" on $where" }
282 proc recordlastseen_n
{n how here
} {
283 global lastseen lookedfor
284 set lastseen
([irctolower
$n]) [list $n [clock seconds
] $how]
286 upvar #0 lookedfor([irctolower $n]) lf
287 if {[info exists lf
]} {
288 switch -exact [llength $lf] {
293 manyset
[lindex $lf 0] when who where
295 "FYI, $who was looking for you [looking_whenwhere $when $where]."]
298 msg_begin tosend
$n "FYI, people have been looking for you:"
304 msg_append tosend
" "
305 } elseif
{$i == [llength $lf]} {
306 msg_append tosend
" and "
309 msg_append tosend
", "
311 manyset
$e when who where
313 "$who ([looking_whenwhere $when $where])$fin"
315 set ml
[msg_finish tosend
]
319 msendprivmsg_delayed
1000 $n $ml
323 proc recordlastseen_p
{p how here
} {
325 recordlastseen_n
$n $how $here
328 proc chanmode_arg
{} {
330 set rv
[lindex $cm_args 0]
331 set cm_args
[lreplace cm_args
0 0]
335 proc chanmode_o1
{m g p chan
} {
338 set who
[chanmode_arg
]
339 recordlastseen_n
$n "being nice to $who" 1
340 if {"[irctolower $who]" == "[irctolower $nick]"} {
341 sendprivmsg
$n Thanks.
345 proc chanmode_o0
{m g p chan
} {
348 set who
[chanmode_arg
]
349 recordlastseen_p
$p "being mean to $who" 1
350 if {"[irctolower $who]" == "[irctolower $nick]"} {
351 set chandeop
($chan) [list [clock seconds
] $p]
355 proc msg_MODE
{p c dest modelist args
} {
356 if {![ischan
$dest]} return
357 if {[regexp {^
\-(.
+)$} $modelist dummy modelist
]} {
359 } elseif
{[regexp {^
\+(.
+)$} $modelist dummy modelist
]} {
362 error "invalid modelist"
364 foreach m
[split $modelist] {
365 set procname chanmode_
$m$give
366 if {[catch { info body
$procname }]} {
367 recordlastseen_p
$p "fiddling with $dest" 1
369 $procname $m $give $p $dest
374 proc process_kickpart
{chan user
} {
376 if {![ischan
$chan]} { error "not a channel" }
378 upvar #0 nick_onchans($user) oc
379 set lc
[irctolower
$chan]
380 set oc
[grep tc
{"$tc" != "$lc"} $oc]
381 if {![llength $oc]} { nick_forget
$user }
384 proc msg_KICK
{p c chans users comment
} {
385 set chans
[split $chans ,]
386 set users
[split $users ,]
387 if {[llength $chans] > 1} {
388 foreach chan
$chans user
$users { process_kickpart
$chan $user }
390 foreach user
$users { process_kickpart
[lindex $chans 0] $user }
394 proc msg_KILL
{p c user why
} {
398 set nick_arys
{onchans username
}
400 proc nick_forget
{n
} {
402 foreach ary
$nick_arys {
403 upvar #0 nick_${ary}($n) av
408 proc msg_NICK
{p c newnick
} {
411 recordlastseen_n
$n "changing nicks to $newnick" 0
412 recordlastseen_n
$newnick "changing nicks from $n" 1
413 foreach ary
$nick_arys {
414 upvar #0 nick_${ary}($n) old
415 upvar #0 nick_${ary}($newnick) new
416 if {[info exists new
]} { error "nick collision ?! $ary $n $newnick" }
417 if {[info exists old
]} { set new
$old; unset old
}
421 proc msg_JOIN
{p c chan
} {
423 recordlastseen_n
$n "joining $chan" 1
424 upvar #0 nick_onchans($n) oc
425 lappend oc
[irctolower
$chan]
427 proc msg_PART
{p c chan
} {
429 recordlastseen_n
$n "leaving $chan" 1
430 process_kickpart
$chan $n
432 proc msg_QUIT
{p c why
} {
434 recordlastseen_n
$n "leaving ($why)" 0
438 proc msg_PRIVMSG
{p c dest
text} {
440 if {[ischan
$dest]} {
441 recordlastseen_n
$n "invoking me in $dest" 1
444 recordlastseen_n
$n "talking to me" 1
449 regsub {^
! *} $text {} text
451 set procname ucmd
/[string tolower
$ucmd]
452 if {[catch { info body
$procname }]} {
453 error "unknown command; try help for help"
457 sendprivmsg
$n "error: $rv"
459 manyset
$rv priv_msgs pub_msgs priv_acts pub_acts
460 foreach {td val
} [list $n $priv_acts $output $pub_acts] {
461 foreach l
[split $val "\n"] {
465 foreach {td val
} [list $n $priv_msgs $output $pub_msgs] {
466 foreach l
[split $val "\n"] {
473 proc msg_INVITE
{p c n chan
} {
474 after 1000 [list sendout JOIN
$chan]
477 proc grep
{var predicate
list} {
481 if {[uplevel 1 [list expr $predicate]]} { lappend o
$v }
486 proc msg_353
{p c dest type chan nicklist
} {
487 global names_chans nick_onchans
488 if {![info exists names_chans
]} { set names_chans
{} }
489 set chan
[irctolower
$chan]
490 lappend names_chans
$chan
491 foreach n
[array names nick_onchans
] {
492 upvar #0 nick_onchans($n) oc
493 set oc
[grep tc
{"$tc" != "$chan"} $oc]
495 foreach n
[split $nicklist { }] {
496 regsub {^
[@+]} $n {} n
498 if {![string length
$n]} continue
499 upvar #0 nick_onchans($n) oc
504 proc msg_366
{p c args
} {
505 global names_chans nick_onchans
506 if {[llength names_chans
] > 1} {
507 foreach n
[array names nick_onchans
] {
508 upvar #0 nick_onchans($n) oc
509 set oc
[grep tc
{[lsearch -exact $tc $names_chans] >= 0} $oc]
510 if {![llength $oc]} { nick_forget
$n }
518 return [expr {!![string length
$text]}]
523 if {[string length
$text]} { error "too many parameters" }
528 if {![regexp {^
([^
]+) *(.
*)} $text dummy firstword
text]} {
529 error "too few parameters"
541 proc def_ucmd
{cmdname body
} {
542 proc ucmd
/$cmdname {p dest
} " upvar 1 text text\n$body"
545 proc ucmdr
{priv pub args
} {
546 return -code return [concat [list $priv $pub] $args]
552 catch { unset help_topics
}
553 set f
[open helpinfos r
]
556 while {[gets $f l
] >= 0} {
558 if {[regexp {^
#.*} $l]} {
559 } elseif
{[regexp {^
*$} $l]} {
560 if {[info exists topic
]} {
561 set help_topics
($topic) [join $lines "\n"]
565 } elseif
{[regexp {^
!([-+._0-9a-z
]*)$} $l dummy newtopic
]} {
566 if {[info exists topic
]} {
567 error "help $newtopic while in $topic"
571 } elseif
{[regexp {^
[^
!#]} $l]} {
573 lappend lines
[string trimright
$l]
575 error "eh ? $lno: $l"
578 if {[info exists topic
]} { error "unfinished topic $topic" }
585 upvar #0 help_topics([irctolower [string trim $text]]) info
586 if {![info exists
info]} { ucmdr
"No help on $text, sorry." {} }
592 ucmdr
$help_topics() {}
595 proc manyset
{list args
} {
596 foreach val
$list var
$args {
602 proc check_username
{target
} {
604 [string length
$target] > 8 ||
605 [regexp {[^
-0-9a-z
]} $target] ||
606 ![regexp {^
[a-z
]} $target]
607 } { error "invalid username" }
610 proc nickdb__head
{} {
612 set nl
[irctolower
$n]
613 upvar #0 nickdb($nl) ndbe
614 binary scan $nl H
* nh
616 if {![info exists ndbe
] && [file exists
$nfn]} {
618 try_except_finally
{ set newval
[read $f] } {} { close $f }
619 if {[llength $newval] % 2} { error "invalid length" }
625 proc def_nickdb
{name arglist body
} {
626 proc nickdb_
$name $arglist "nickdb__head; $body"
629 def_nickdb exists
{n
} {
630 return [info exists ndbe
]
633 def_nickdb delete
{n
} {
638 set default_settings
{timeformat ks
}
640 def_nickdb
set {n args
} {
641 global default_settings
642 if {![info exists ndbe
]} { set ndbe
$default_settings }
643 foreach {key value
} [concat $ndbe $args] { set a
($key) $value }
645 foreach {key value
} [array get a
] { lappend newval
$key $value }
646 set f
[open $nfn.new w
]
650 file rename -force $nfn.new
$nfn
660 if {[info exists calling_nick
]} { set n
$calling_nick } { set n
{} }
661 return [nickdb_opt
$n $key]
664 def_nickdb opt
{n key
} {
665 global default_settings
666 if {[info exists ndbe
]} {
669 set l
$default_settings
671 foreach {tkey value
} $l {
672 if {"$tkey" == "$key"} { return $value }
674 error "unset setting $key"
677 proc check_notonchan
{} {
679 if {[ischan
$dest]} { error "that command must be sent privately" }
682 proc nick_securitycheck
{strict
} {
684 if {![nickdb_exists
$n]} { error "you are unknown to me, use `register'." }
685 set wantu
[nickdb_opt
$n username
]
686 if {![string length
$wantu]} {
688 error "that feature is only available to secure users, sorry."
693 upvar #0 nick_username($n) nu
694 if {![info exists nu
]} {
695 error "nick $n is secure, you must identify yourself first."
697 if {"$wantu" != "$nu"} {
698 error "you are the wrong user - the nick $n belongs to $wantu, not $nu"
705 set old
[nickdb_exists
$n]
706 if {$old} { nick_securitycheck
0 }
707 switch -exact [string tolower
[string trim
$text]] {
709 upvar #0 nick_username($n) nu
710 if {![info exists nu
]} {
712 "You must identify yourself before using `register'. See `help identify'."
714 nickdb_set
$n username
$nu
715 ucmdr
{} {} "makes a note of your username." {}
719 ucmdr
{} {} "forgets your nickname." {}
722 nickdb_set
$n username
{}
724 ucmdr
{} "Security is now disabled for your nickname !"
726 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."
732 proc timeformat_desc
{tf
} {
734 ks
{ return "Times will be displayed in kiloseconds or seconds." }
735 hms
{ return "Times will be displayed in hours, minutes, etc." }
736 default { error "invalid timeformat: $v" }
740 proc def_setting
{opt show_body set_body
} {
741 proc set_show
/$opt {} "
745 if {![string length
$set_body]} return
746 proc set_set
/$opt {} "
753 def_setting timeformat
{
754 set tf
[nickdb_opt
$n timeformat
]
755 return "$tf: [timeformat_desc $tf]"
757 set tf
[string tolower
[ta_word
]]
759 set desc
[timeformat_desc
$tf]
760 nickdb_set
$n timeformat
$tf
764 def_setting security
{
765 set s
[nickdb_opt
$n username
]
766 if {[string length
$s]} {
767 return "Your nick, $n, is controlled by the user $s."
769 return "Your nick, $n, is not secure."
776 if {![nickdb_exists
$n]} {
777 ucmdr
{} "You are unknown to me and so have no settings. (Use `register'.)"
781 foreach proc [lsort [info procs
]] {
782 if {![regexp {^set_show
/(.
*)$} $proc dummy opt
]} continue
783 lappend ol
[format "%-10s %s" $opt [set_show
/$opt]]
785 ucmdr
{} [join $ol "\n"]
788 if {[catch { info body set_show
/$opt }]} {
789 error "no setting $opt"
792 ucmdr
{} "$opt [set_show/$opt]"
794 if {[catch { info body set_set
/$opt }]} {
795 error "setting $opt cannot be set with `set'"
803 set username
[ta_word
]
804 set passmd5
[md5sum
"[ta_word]\n"]
808 upvar #0 nick_onchans($n) onchans
809 if {![info exists onchans
] ||
![llength $onchans]} {
810 ucmdr
"You must be on a channel with me to identify yourself." {}
812 check_username
$username
813 exec userv
--timeout 3 $username << "$passmd5\n" > /dev
/null
\
815 upvar #0 nick_username($n) rec_username
816 set rec_username
$username
817 ucmdr
"Pleased to see you, $username." {}
823 check_username
$target
826 upvar #0 lastsummon($target) ls
827 set now
[clock seconds
]
828 if {[info exists ls
]} {
829 set interval
[expr {$now - $ls}]
830 if {$interval < 30} {
832 "Please be patient; $target was summoned only [showinterval $interval]."
835 regsub {^
[^
!]*!} $p {} path
837 exec userv
--timeout 3 $target irc-summon
$n $path \
838 [expr {[ischan
$dest] ?
"$dest" : ""}] \
841 regsub -all "\n" $rv { / } rv
844 if {[regexp {^problem
(.
*)} $rv dummy problem
]} {
845 ucmdr
{} "The user `$target' $problem."
846 } elseif
{[regexp {^ok
([^
]+) ([0-9]+)$} $rv dummy tty idlesince
]} {
847 set idletime
[expr {$now - $idlesince}]
849 ucmdr
{} {} {} "invites $target ($tty[expr {
850 $idletime > 10 ? ", idle
for [showintervalsecs
$idletime]" : ""
852 [ischan $dest] ? "join us here
" : "talk to you
"
855 error "unexpected response from userv service: $rv"
859 proc md5sum
{value
} { exec md5sum
<< $value }
865 set nlower
[irctolower
$ncase]
867 set now
[clock seconds
]
868 if {"$nlower" == "[irctolower $nick]"} {
869 error "I am not self-aware."
870 } elseif
{![info exists lastseen
($nlower)]} {
871 set rstr
"I've never seen $ncase."
873 manyset
$lastseen($nlower) realnick
time what
874 set howlong
[expr {$now - $time}]
875 set string [showinterval
$howlong]
876 set rstr
"I last saw $realnick $string, $what."
878 if {[ischan
$dest]} {
883 upvar #0 lookedfor($nlower) lf
884 if {[info exists lf
]} { set oldvalue
$lf } else { set oldvalue
{} }
885 set lf
[list [list $now $n $where]]
886 foreach v
$oldvalue {
887 if {"[irctolower [lindex $v 1]]" == "[irctolower $n]"} continue
893 if {![info exists sock
]} {
894 set sock
[socket $host $port]
895 fconfigure $sock -buffering line
896 #fconfigure $sock -translation binary
897 fconfigure $sock -translation crlf
899 sendout USER blight
0 * $ownfullname
901 fileevent $sock readable onread
906 #if {![regexp {tclsh} $argv0]} {