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 errorInfo errorCode
85 if {[gets $sock line
] == -1} { set terminate
1; return }
86 regsub -all "\[^ -\176\240-\376\]" $line ? line
91 catch { unset calling_nick
}
95 if {[regexp -nocase {^
:([^
]+) (.
*)} $line dummy prefix remain
]} {
97 if {[regexp {^
([^
!]+)!} $prefix dummy maybenick
]} {
98 set calling_nick
$maybenick
99 if {"[irctolower $maybenick]" == "[irctolower $nick]"} return
104 if {![string length
$line]} { return }
105 if {![regexp -nocase {^
([0-9a-z
]+) *(.
*)} $line dummy command line
]} {
106 log
"bad command: $org"
109 set command
[string toupper
$command]
111 while {[regexp {^
([^
:]+) *(.
*)} $line dummy thisword line
]} {
112 lappend params
$thisword
114 if {[regexp {^
:(.
*)} $line dummy thisword
]} {
115 lappend params
$thisword
116 } elseif
{[string length
$line]} {
117 log
"junk at end: $org"
120 if {"$command" == "PRIVMSG" &&
121 [regexp {^
[&#+!]} [lindex $params 0]] &&
122 ![regexp {^
!} [lindex $params 1]]} {
123 # on-channel message, ignore
125 recordlastseen_p
$prefix "talking on [lindex $params 0]" 1
129 log
"[clock seconds] <- $org"
130 set procname msg_
$command
131 if {[catch { info body
$procname }]} { return }
133 eval [list $procname $prefix $command] $params
135 logerror
"error: $emsg ($prefix $command $params)"
140 proc sendprivmsg
{dest l
} {
141 sendout
[expr {[ischan
$dest] ?
"PRIVMSG" : "NOTICE"}] $dest $l
143 proc sendaction
{dest what
} { sendout PRIVMSG
$dest "\001ACTION $what\001" }
144 proc msendprivmsg
{dest ll
} { foreach l
$ll { sendprivmsg
$dest $l } }
145 proc msendprivmsg_delayed
{delay dest ll
} { after $delay [list msendprivmsg
$dest $ll] }
147 proc prefix_none
{} {
149 if {[string length
$p]} { error "prefix specified" }
152 proc msg_PING
{p c s1
} {
157 proc check_nick
{n
} {
158 if {[regexp -nocase {[^
][\\`_^
{|
}a-z0-9-
]} $n]} { error "bad char in nick" }
159 if {[regexp {^
[-0-9]} $n]} { error "bad nick start" }
163 return [regexp {^
[&#+!]} $dest]
166 proc irctolower
{v
} {
167 foreach {from to
} [list "\\\[" "{" \
171 regsub -all $from $v $to v
173 return [string tolower
$v]
176 proc prefix_nick
{} {
180 if {![regexp {^
([^
!]+)!} $p dummy n
]} { error "not from nick" }
182 if {"[irctolower $n]" == "[irctolower $nick]"} {
183 error "from myself" {} {}
187 proc showintervalsecs
{howlong
} {
188 return [showintervalsecs
/[opt timeformat
] $howlong]
191 proc showintervalsecs
/ks
{howlong
} {
192 if {$howlong < 1000} {
195 if {$howlong < 1000000} {
202 set value
[expr "$howlong.0 / $scale"]
203 foreach {min
format} {100 %.0f
10 %.1f
1 %.2f
} {
204 if {$value < $min} continue
205 return [format "$format${pfx}s" $value]
210 proc format_qty
{qty unit
} {
214 if {$qty != 1} { append o s
}
218 proc showintervalsecs
/hms
{qty
} {
219 set ul
{second
60 minute
60 hour
24 day
7 week
}
221 while {[llength $ul] > 1 && $qty >= [set uv
[lindex $ul 1]]} {
222 set remainu
[lindex $ul 0]
223 set remainv
[expr {$qty % $uv}]
224 set qty
[expr {($qty-$remainv)/$uv}]
225 set ul
[lreplace $ul 0 1]
227 set o
[format_qty
$qty [lindex $ul 0]]
230 append o
[format_qty
$remainv $remainu]
235 proc showinterval
{howlong
} {
239 return "[showintervalsecs $howlong] ago"
243 proc showtime
{when
} {
244 return [showinterval
[expr {[clock seconds
] - $when}]]
247 proc def_msgproc
{name argl body
} {
248 proc msg_
$name "varbase $argl" "\
249 upvar #0 msg/\$varbase/dest d\n\
250 upvar #0 msg/\$varbase/str s\n\
251 upvar #0 msg/\$varbase/accum a\n\
255 def_msgproc begin
{dest str
} {
261 def_msgproc
append {str
} {
263 if {[string length
$s] && [string length
$ns] > 65} {
264 msg__sendout
$varbase
265 set s
" [string trimleft $str]"
271 def_msgproc finish
{} {
272 msg__sendout
$varbase
278 def_msgproc _sendout
{} {
279 lappend a
[string trimright
$s]
283 proc looking_whenwhere
{when where
} {
284 set str
[showtime
[expr {$when-1}]]
285 if {[string length
$where]} { append str
" on $where" }
289 proc recordlastseen_n
{n how here
} {
290 global lastseen lookedfor
291 set lastseen
([irctolower
$n]) [list $n [clock seconds
] $how]
293 upvar #0 lookedfor([irctolower $n]) lf
294 if {[info exists lf
]} {
295 switch -exact [llength $lf] {
300 manyset
[lindex $lf 0] when who where
302 "FYI, $who was looking for you [looking_whenwhere $when $where]."]
305 msg_begin tosend
$n "FYI, people have been looking for you:"
311 msg_append tosend
" "
312 } elseif
{$i == [llength $lf]} {
313 msg_append tosend
" and "
316 msg_append tosend
", "
318 manyset
$e when who where
320 "$who ([looking_whenwhere $when $where])$fin"
322 set ml
[msg_finish tosend
]
326 msendprivmsg_delayed
1000 $n $ml
330 proc recordlastseen_p
{p how here
} {
332 recordlastseen_n
$n $how $here
335 proc chanmode_arg
{} {
337 set rv
[lindex $cm_args 0]
338 set cm_args
[lreplace cm_args
0 0]
342 proc chanmode_o1
{m g p chan
} {
345 set who
[chanmode_arg
]
346 recordlastseen_n
$n "being nice to $who" 1
347 if {"[irctolower $who]" == "[irctolower $nick]"} {
348 sendprivmsg
$n Thanks.
352 proc chanmode_o0
{m g p chan
} {
355 set who
[chanmode_arg
]
356 recordlastseen_p
$p "being mean to $who" 1
357 if {"[irctolower $who]" == "[irctolower $nick]"} {
358 set chandeop
($chan) [list [clock seconds
] $p]
362 proc msg_MODE
{p c dest modelist args
} {
363 if {![ischan
$dest]} return
364 if {[regexp {^
\-(.
+)$} $modelist dummy modelist
]} {
366 } elseif
{[regexp {^
\+(.
+)$} $modelist dummy modelist
]} {
369 error "invalid modelist"
371 foreach m
[split $modelist] {
372 set procname chanmode_
$m$give
373 if {[catch { info body
$procname }]} {
374 recordlastseen_p
$p "fiddling with $dest" 1
376 $procname $m $give $p $dest
381 proc channel_noone_seen
{chan
} {
383 foreach n
[array names nick_onchans
] {
384 upvar #0 nick_onchans($n) oc
385 set oc
[grep tc
{"$tc" != "$chan"} $oc]
389 proc process_kickpart
{chan user
} {
392 if {![ischan
$chan]} { error "not a channel" }
393 if {"[irctolower $user]" == "[irctolower $nick]"} {
394 channel_noone_seen
$chan
396 upvar #0 nick_onchans($user) oc
397 set lc
[irctolower
$chan]
398 set oc
[grep tc
{"$tc" != "$lc"} $oc]
399 if {![llength $oc]} { nick_forget
$user }
403 proc msg_KICK
{p c chans users comment
} {
404 set chans
[split $chans ,]
405 set users
[split $users ,]
406 if {[llength $chans] > 1} {
407 foreach chan
$chans user
$users { process_kickpart
$chan $user }
409 foreach user
$users { process_kickpart
[lindex $chans 0] $user }
413 proc msg_KILL
{p c user why
} {
417 set nick_arys
{onchans username
}
419 proc nick_forget
{n
} {
421 foreach ary
$nick_arys {
422 upvar #0 nick_${ary}($n) av
430 set nick_case
([irctolower
$n]) $n
433 proc msg_NICK
{p c newnick
} {
434 global nick_arys nick_case
436 recordlastseen_n
$n "changing nicks to $newnick" 0
437 recordlastseen_n
$newnick "changing nicks from $n" 1
438 foreach ary
$nick_arys {
439 upvar #0 nick_${ary}($n) old
440 upvar #0 nick_${ary}($newnick) new
441 if {[info exists new
]} { error "nick collision ?! $ary $n $newnick" }
442 if {[info exists old
]} { set new
$old; unset old
}
447 proc msg_JOIN
{p c chan
} {
449 recordlastseen_n
$n "joining $chan" 1
450 upvar #0 nick_onchans($n) oc
451 lappend oc
[irctolower
$chan]
454 proc msg_PART
{p c chan
} {
456 recordlastseen_n
$n "leaving $chan" 1
457 process_kickpart
$chan $n
459 proc msg_QUIT
{p c why
} {
461 recordlastseen_n
$n "leaving ($why)" 0
465 proc msg_PRIVMSG
{p c dest
text} {
467 if {[ischan
$dest]} {
468 recordlastseen_n
$n "invoking me in $dest" 1
471 recordlastseen_n
$n "talking to me" 1
477 regsub {^
! *} $text {} text
479 set procname ucmd
/[string tolower
$ucmd]
480 if {[catch { info body
$procname }]} {
481 error "unknown command; try help for help"
485 sendprivmsg
$n "error: $rv"
487 manyset
$rv priv_msgs pub_msgs priv_acts pub_acts
488 foreach {td val
} [list $n $priv_acts $output $pub_acts] {
489 foreach l
[split $val "\n"] {
493 foreach {td val
} [list $n $priv_msgs $output $pub_msgs] {
494 foreach l
[split $val "\n"] {
501 proc msg_INVITE
{p c n chan
} {
502 after 1000 [list sendout JOIN
$chan]
505 proc grep
{var predicate
list} {
509 if {[uplevel 1 [list expr $predicate]]} { lappend o
$v }
514 proc msg_353
{p c dest type chan nicklist
} {
515 global names_chans nick_onchans
516 if {![info exists names_chans
]} { set names_chans
{} }
517 set chan
[irctolower
$chan]
518 lappend names_chans
$chan
519 channel_noone_seen
$chan
520 foreach n
[split $nicklist { }] {
521 regsub {^
[@+]} $n {} n
522 if {![string length
$n]} continue
524 upvar #0 nick_onchans($n) oc
530 proc msg_366
{p c args
} {
531 global names_chans nick_onchans
532 if {[llength names_chans
] > 1} {
533 foreach n
[array names nick_onchans
] {
534 upvar #0 nick_onchans($n) oc
535 set oc
[grep tc
{[lsearch -exact $tc $names_chans] >= 0} $oc]
536 if {![llength $oc]} { nick_forget
$n }
544 return [expr {!![string length
$text]}]
549 if {[string length
$text]} { error "too many parameters" }
554 if {![regexp {^
([^
]+) *(.
*)} $text dummy firstword
text]} {
555 error "too few parameters"
567 proc def_ucmd
{cmdname body
} {
568 proc ucmd
/$cmdname {p dest
} " upvar 1 text text\n$body"
571 proc ucmdr
{priv pub args
} {
572 return -code return [concat [list $priv $pub] $args]
578 catch { unset help_topics
}
579 set f
[open helpinfos r
]
582 while {[gets $f l
] >= 0} {
584 if {[regexp {^
#.*} $l]} {
585 } elseif
{[regexp {^
*$} $l]} {
586 if {[info exists topic
]} {
587 set help_topics
($topic) [join $lines "\n"]
591 } elseif
{[regexp {^
!([-+._0-9a-z
]*)$} $l dummy newtopic
]} {
592 if {[info exists topic
]} {
593 error "help $newtopic while in $topic"
597 } elseif
{[regexp {^
[^
!#]} $l]} {
599 lappend lines
[string trimright
$l]
601 error "eh ? $lno: $l"
604 if {[info exists topic
]} { error "unfinished topic $topic" }
611 upvar #0 help_topics([irctolower [string trim $text]]) info
612 if {![info exists
info]} { ucmdr
"No help on $text, sorry." {} }
618 ucmdr
$help_topics() {}
621 proc manyset
{list args
} {
622 foreach val
$list var
$args {
628 proc check_username
{target
} {
630 [string length
$target] > 8 ||
631 [regexp {[^
-0-9a-z
]} $target] ||
632 ![regexp {^
[a-z
]} $target]
633 } { error "invalid username" }
636 proc nickdb__head
{} {
638 set nl
[irctolower
$n]
639 upvar #0 nickdb($nl) ndbe
640 binary scan $nl H
* nh
642 if {![info exists ndbe
] && [file exists
$nfn]} {
644 try_except_finally
{ set newval
[read $f] } {} { close $f }
645 if {[llength $newval] % 2} { error "invalid length" }
651 proc def_nickdb
{name arglist body
} {
652 proc nickdb_
$name $arglist "nickdb__head; $body"
655 def_nickdb exists
{n
} {
656 return [info exists ndbe
]
659 def_nickdb delete
{n
} {
664 set default_settings
{timeformat ks
}
666 def_nickdb
set {n args
} {
667 global default_settings
668 if {![info exists ndbe
]} { set ndbe
$default_settings }
669 foreach {key value
} [concat $ndbe $args] { set a
($key) $value }
671 foreach {key value
} [array get a
] { lappend newval
$key $value }
672 set f
[open $nfn.new w
]
676 file rename -force $nfn.new
$nfn
686 if {[info exists calling_nick
]} { set n
$calling_nick } { set n
{} }
687 return [nickdb_opt
$n $key]
690 def_nickdb opt
{n key
} {
691 global default_settings
692 if {[info exists ndbe
]} {
695 set l
$default_settings
697 foreach {tkey value
} $l {
698 if {"$tkey" == "$key"} { return $value }
700 error "unset setting $key"
703 proc check_notonchan
{} {
705 if {[ischan
$dest]} { error "that command must be sent privately" }
708 proc nick_securitycheck
{strict
} {
710 if {![nickdb_exists
$n]} { error "you are unknown to me, use `register'." }
711 set wantu
[nickdb_opt
$n username
]
712 if {![string length
$wantu]} {
714 error "that feature is only available to secure users, sorry."
719 upvar #0 nick_username($n) nu
720 if {![info exists nu
]} {
721 error "nick $n is secure, you must identify yourself first."
723 if {"$wantu" != "$nu"} {
724 error "you are the wrong user - the nick $n belongs to $wantu, not $nu"
730 set target
[ta_word
]; ta_nomore
735 set myself
[expr {"$target" != "$n"}]
737 upvar #0 nick_case([irctolower $target]) nc
739 if {[info exists nc
]} {
740 upvar #0 nick_onchans($nc) oc
741 upvar #0 nick_username($nc) nu
742 if {[info exists oc
]} { set nshow
$nc }
744 if {![nickdb_exists
$target]} {
745 set ol
"$nshow is not a registered nick."
746 } elseif
{[string length
[set username
[nickdb_opt
$target username
]]]} {
747 set ol
"The nick $nshow belongs to the user $username."
749 set ol
"The nick $nshow is registered (but not to a username)."
751 if {![info exists nc
] ||
![info exists oc
]} {
753 append ol
"\nI can't see $nshow on anywhere."
755 append ol
"\nYou aren't on any channels with me."
757 } elseif
{![info exists nu
]} {
758 append ol
"\n$nshow has not identified themselves."
759 } elseif
{![info exists username
]} {
760 append ol
"\n$nshow has identified themselves as the user $nu."
761 } elseif
{"$nu" != "$username"} {
762 append ol
"\nHowever, $nshow is being used by the user $nu."
764 append ol
"\n$nshow has identified themselves to me."
772 set old
[nickdb_exists
$n]
773 if {$old} { nick_securitycheck
0 }
774 switch -exact [string tolower
[string trim
$text]] {
776 upvar #0 nick_username($n) nu
777 if {![info exists nu
]} {
779 "You must identify yourself before using `register'. See `help identify', or use `register insecure'."
781 nickdb_set
$n username
$nu
782 ucmdr
{} {} "makes a note of your username." {}
786 ucmdr
{} {} "forgets your nickname." {}
789 nickdb_set
$n username
{}
791 ucmdr
{} "Security is now disabled for your nickname !"
793 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."
799 proc timeformat_desc
{tf
} {
801 ks
{ return "Times will be displayed in seconds or kiloseconds." }
802 hms
{ return "Times will be displayed in hours, minutes, etc." }
803 default { error "invalid timeformat: $v" }
807 proc def_setting
{opt show_body set_body
} {
808 proc set_show
/$opt {} "
812 if {![string length
$set_body]} return
813 proc set_set
/$opt {} "
820 def_setting timeformat
{
821 set tf
[nickdb_opt
$n timeformat
]
822 return "$tf: [timeformat_desc $tf]"
824 set tf
[string tolower
[ta_word
]]
826 set desc
[timeformat_desc
$tf]
827 nickdb_set
$n timeformat
$tf
831 def_setting security
{
832 set s
[nickdb_opt
$n username
]
833 if {[string length
$s]} {
834 return "Your nick, $n, is controlled by the user $s."
836 return "Your nick, $n, is not secure."
843 if {![nickdb_exists
$n]} {
844 ucmdr
{} "You are unknown to me and so have no settings. (Use `register'.)"
848 foreach proc [lsort [info procs
]] {
849 if {![regexp {^set_show
/(.
*)$} $proc dummy opt
]} continue
850 lappend ol
[format "%-10s %s" $opt [set_show
/$opt]]
852 ucmdr
{} [join $ol "\n"]
855 if {[catch { info body set_show
/$opt }]} {
856 error "no setting $opt"
859 ucmdr
{} "$opt [set_show/$opt]"
862 if {[catch { info body set_set
/$opt }]} {
863 error "setting $opt cannot be set with `set'"
871 set username
[ta_word
]
872 set passmd5
[md5sum
"[ta_word]\n"]
876 upvar #0 nick_onchans($n) onchans
877 if {![info exists onchans
] ||
![llength $onchans]} {
878 ucmdr
"You must be on a channel with me to identify yourself." {}
880 check_username
$username
881 exec userv
--timeout 3 $username << "$passmd5\n" > /dev
/null
\
883 upvar #0 nick_username($n) rec_username
884 set rec_username
$username
885 ucmdr
"Pleased to see you, $username." {}
891 check_username
$target
894 upvar #0 lastsummon($target) ls
895 set now
[clock seconds
]
896 if {[info exists ls
]} {
897 set interval
[expr {$now - $ls}]
898 if {$interval < 30} {
900 "Please be patient; $target was summoned only [showinterval $interval]."
903 regsub {^
[^
!]*!} $p {} path
905 exec userv
--timeout 3 $target irc-summon
$n $path \
906 [expr {[ischan
$dest] ?
"$dest" : ""}] \
909 regsub -all "\n" $rv { / } rv
912 if {[regexp {^problem
(.
*)} $rv dummy problem
]} {
913 ucmdr
{} "The user `$target' $problem."
914 } elseif
{[regexp {^ok
([^
]+) ([0-9]+)$} $rv dummy tty idlesince
]} {
915 set idletime
[expr {$now - $idlesince}]
917 ucmdr
{} {} {} "invites $target ($tty[expr {
918 $idletime > 10 ? ", idle
for [showintervalsecs
$idletime]" : ""
920 [ischan $dest] ? "join us here
" : "talk to you
"
923 error "unexpected response from userv service: $rv"
927 proc md5sum
{value
} { exec md5sum
<< $value }
933 set nlower
[irctolower
$ncase]
935 set now
[clock seconds
]
936 if {"$nlower" == "[irctolower $nick]"} {
937 error "I am not self-aware."
938 } elseif
{![info exists lastseen
($nlower)]} {
939 set rstr
"I've never seen $ncase."
941 manyset
$lastseen($nlower) realnick
time what
942 set howlong
[expr {$now - $time}]
943 set string [showinterval
$howlong]
944 set rstr
"I last saw $realnick $string, $what."
946 if {[ischan
$dest]} {
951 upvar #0 lookedfor($nlower) lf
952 if {[info exists lf
]} { set oldvalue
$lf } else { set oldvalue
{} }
953 set lf
[list [list $now $n $where]]
954 foreach v
$oldvalue {
955 if {"[irctolower [lindex $v 1]]" == "[irctolower $n]"} continue
961 if {![info exists sock
]} {
962 set sock
[socket $host $port]
963 fconfigure $sock -buffering line
964 #fconfigure $sock -translation binary
965 fconfigure $sock -translation crlf
967 sendout USER blight
0 * $ownfullname
969 fileevent $sock readable onread
974 #if {![regexp {tclsh} $argv0]} {