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 sendout {command args} {
20 if {[llength $args]} {
21 set la [lindex $args end]
22 set args [lreplace $args end end]
24 if {[regexp {[: ]} $i]} {
25 error "bad argument in output $i ($command $args)"
30 set args [lreplace $args 0 -1 $command]
31 set string [join $args { }]
32 puts "[clock seconds] -> $string"
40 proc logerror {data} {
45 global saveei saveec errorInfo errorCode
50 puts ">$saveec|$saveei<"
62 if {[gets $sock line] == -1} { set terminate 1; return }
63 regsub -all "\[^ -\176\240-\376\]" $line ? line
65 if {[regexp -nocase {^:([^ ]+) (.*)} $line dummy prefix remain]} {
67 if {[regexp {^([^!]+)!} $prefix dummy maybenick] &&
68 "[irctolower $maybenick]" == "[irctolower $nick]"} return
72 if {![string length $line]} { return }
73 if {![regexp -nocase {^([0-9a-z]+) *(.*)} $line dummy command line]} {
74 log "bad command: $org"
77 set command [string toupper $command]
79 while {[regexp {^([^ :]+) *(.*)} $line dummy thisword line]} {
80 lappend params $thisword
82 if {[regexp {^:(.*)} $line dummy thisword]} {
83 lappend params $thisword
84 } elseif {[string length $line]} {
85 log "junk at end: $org"
88 if {"$command" == "PRIVMSG" &&
89 [regexp {^[&#+!]} [lindex $params 0]] &&
90 ![regexp {^!} [lindex $params 1]]} {
91 # on-channel message, ignore
93 recordlastseen_p $prefix "talking on [lindex $params 0]" 1
97 log "[clock seconds] <- $org"
98 set procname msg_$command
99 if {[catch { info body $procname }]} { return }
101 eval [list $procname $prefix $command] $params
103 logerror "error: $emsg ($prefix $command $params)"
108 proc sendprivmsg {dest l} {
109 sendout [expr {[ischan $dest] ? "PRIVMSG" : "NOTICE"}] $dest $l
111 proc sendaction {dest what} { sendout PRIVMSG $dest "\001ACTION $what\001" }
112 proc msendprivmsg {dest ll} { foreach l $ll { sendprivmsg $dest $l } }
113 proc msendprivmsg_delayed {delay dest ll} { after $delay [list msendprivmsg $dest $ll] }
115 proc prefix_none {} {
117 if {[string length $p]} { error "prefix specified" }
120 proc msg_PING {p c s1} {
125 proc check_nick {n} {
126 if {[regexp -nocase {[^][\\`_^{|}a-z0-9-]} $n]} { error "bad char in nick" }
127 if {[regexp {^[-0-9]} $n]} { error "bad nick start" }
131 return [regexp {^[&#+!]} $dest]
134 proc irctolower {v} {
135 foreach {from to} [list "\\\[" "{" \
139 regsub -all $from $v $to v
141 return [string tolower $v]
144 proc prefix_nick {} {
148 if {![regexp {^([^!]+)!} $p dummy n]} { error "not from nick" }
150 if {"[irctolower $n]" == "[irctolower $nick]"} {
151 error "from myself" {} {}
155 proc showintervalsecs {howlong} {
156 if {$howlong < 1000} {
159 if {$howlong < 1000000} {
166 set value [expr "$howlong.0 / $scale"]
167 foreach {min format} {100 %.0f 10 %.1f 1 %.2f} {
168 if {$value < $min} continue
169 return [format "$format${pfx}s" $value]
174 proc showinterval {howlong} {
178 return "[showintervalsecs $howlong] ago"
182 proc showtime {when} {
183 return [showinterval [expr {[clock seconds] - $when}]]
186 proc def_msgproc {name argl body} {
187 proc msg_$name "varbase $argl" "\
188 upvar #0 msg/\$varbase/dest d\n\
189 upvar #0 msg/\$varbase/str s\n\
190 upvar #0 msg/\$varbase/accum a\n\
194 def_msgproc begin {dest str} {
200 def_msgproc append {str} {
202 if {[string length $s] && [string length $ns] > 65} {
203 msg__sendout $varbase
204 set s " [string trimleft $str]"
210 def_msgproc finish {} {
211 msg__sendout $varbase
217 def_msgproc _sendout {} {
218 lappend a [string trimright $s]
222 proc looking_whenwhere {when where} {
223 set str [showtime [expr {$when-1}]]
224 if {[string length $where]} { append str " on $where" }
228 proc recordlastseen_n {n how here} {
229 global lastseen lookedfor
230 set lastseen([irctolower $n]) [list $n [clock seconds] $how]
232 upvar #0 lookedfor([irctolower $n]) lf
233 if {[info exists lf]} {
234 switch -exact [llength $lf] {
239 manyset [lindex $lf 0] when who where
241 "FYI, $who was looking for you [looking_whenwhere $when $where]."]
244 msg_begin tosend $n "FYI, people have been looking for you:"
250 msg_append tosend " "
251 } elseif {$i == [llength $lf]} {
252 msg_append tosend " and "
255 msg_append tosend ", "
257 manyset $e when who where
259 "$who ([looking_whenwhere $when $where])$fin"
261 set ml [msg_finish tosend]
265 msendprivmsg_delayed 1000 $n $ml
269 proc recordlastseen_p {p how here} {
271 recordlastseen_n $n $how $here
274 proc chanmode_arg {} {
276 set rv [lindex $cm_args 0]
277 set cm_args [lreplace cm_args 0 0]
281 proc chanmode_o1 {m g p chan} {
284 set who [chanmode_arg]
285 recordlastseen_n $n "being nice to $who" 1
286 if {"[irctolower $who]" == "[irctolower $nick]"} {
287 sendprivmsg $n Thanks.
291 proc chanmode_o0 {m g p chan} {
294 set who [chanmode_arg]
295 recordlastseen_p $p "being mean to $who" 1
296 if {"[irctolower $who]" == "[irctolower $nick]"} {
297 set chandeop($chan) [list [clock seconds] $p]
301 proc msg_MODE {p c dest modelist args} {
302 if {![ischan $dest]} return
303 if {[regexp {^\-(.+)$} $modelist dummy modelist]} {
305 } elseif {[regexp {^\+(.+)$} $modelist dummy modelist]} {
308 error "invalid modelist"
310 foreach m [split $modelist] {
311 set procname chanmode_$m$give
312 if {[catch { info body $procname }]} {
313 recordlastseen_p $p "fiddling with $dest" 1
315 $procname $m $give $p $dest
320 proc process_kickpart {chan user} {
322 if {![ischan $chan]} { error "not a channel" }
324 upvar #0 nick_onchans($user) oc
325 set lc [irctolower $chan]
326 set oc [grep tc {"$tc" != "$lc"} $oc]
329 proc msg_KICK {p c chans users comment} {
330 set chans [split $chans ,]
331 set users [split $users ,]
332 if {[llength $chans] > 1} {
333 foreach chan $chans user $users { process_kickpart $chan $user }
335 foreach user $users { process_kickpart [lindex $chans 0] $user }
339 proc msg_KILL {p c user why} {
343 set nick_arys {onchans username}
345 proc nick_forget {n} {
347 foreach ary $nick_arys {
348 upvar #0 nick_${ary}($n) av
353 proc msg_NICK {p c newnick} {
356 recordlastseen_n $n "changing nicks to $newnick" 0
357 recordlastseen_n $newnick "changing nicks from $n" 1
358 foreach ary $nick_arys {
359 upvar #0 nick_${ary}($n) old
360 upvar #0 nick_${ary}($newnick) new
361 if {[info exists new]} { error "nick collision ?! $ary $n $newnick" }
362 if {[info exists old]} { set new $old; unset old }
366 proc msg_JOIN {p c chan} {
368 recordlastseen_n $n "joining $chan" 1
369 upvar #0 nick_onchans($n) oc
370 lappend oc [irctolower $chan]
372 proc msg_PART {p c chan} {
374 recordlastseen_n $n "leaving $chan" 1
375 process_kickpart $chan $n
377 proc msg_QUIT {p c why} {
379 recordlastseen_n $n "leaving ($why)" 0
383 proc msg_PRIVMSG {p c dest text} {
385 if {[ischan $dest]} {
386 recordlastseen_n $n "invoking me in $dest" 1
389 recordlastseen_n $n "talking to me" 1
394 regsub {^! *} $text {} text
396 set procname ucmd/[string tolower $ucmd]
397 if {[catch { info body $procname }]} {
398 error "unknown command; try help for help"
402 sendprivmsg $n "error: $rv"
404 manyset $rv priv_msgs pub_msgs priv_acts pub_acts
405 foreach {td val} [list $n $priv_msgs $output $pub_msgs] {
406 foreach l [split $val "\n"] {
410 foreach {td val} [list $n $priv_acts $output $pub_acts] {
411 foreach l [split $val "\n"] {
418 proc msg_INVITE {p c n chan} {
419 after 1000 [list sendout JOIN $chan]
422 proc grep {var predicate list} {
426 if {[uplevel 1 [list expr $predicate]]} { lappend o $v }
431 proc msg_353 {p c dest type chan nicklist} {
432 global names_chans nick_onchans
433 if {![info exists names_chans]} { set names_chans {} }
434 set chan [irctolower $chan]
435 lappend names_chans $chan
436 foreach n [array names nick_onchans] {
437 upvar #0 nick_onchans($n) oc
438 set oc [grep tc {"$tc" != "$chan"} $oc]
440 foreach n [split $nicklist { }] {
441 regsub {^[@+]} $n {} n
443 if {![string length $n]} continue
444 upvar #0 nick_onchans($n) oc
449 proc msg_366 {p c args} {
450 global names_chans nick_onchans
451 if {[llength names_chans] > 1} {
452 foreach n [array names nick_onchans] {
453 upvar #0 nick_onchans($n) oc
454 set oc [grep tc {[lsearch -exact $tc $names_chans] >= 0} $oc]
455 if {![llength $oc]} { nick_forget $n }
463 if {[string length $text]} { error "too many parameters" }
468 if {![regexp {^([^ ]+) *(.*)} $text dummy firstword text]} {
469 error "too few parameters"
481 proc def_ucmd {cmdname body} {
482 proc ucmd/$cmdname {p dest} " upvar 1 text text\n$body"
485 proc ucmdr {priv pub args} {
486 return -code return [concat [list $priv $pub] $args]
492 catch { unset help_topics }
493 set f [open helpinfos r]
495 while {[gets $f l] >= 0} {
497 if {[regexp {^#.*} $l]} {
498 } elseif {[regexp {^ *$} $l]} {
499 if {[info exists topic]} {
500 set help_topics($topic) [join $lines "\n"]
504 } elseif {[regexp {^!([-+._0-9a-z]*)$} $l dummy newtopic]} {
505 if {[info exists topic]} { error "help $newtopic while in $topic" }
508 } elseif {[regexp {^[^!#]} $l]} {
510 lappend lines [string trimright $l]
512 error "eh ? $lno: $l"
515 if {[info exists topic]} { error "unfinished topic $topic" }
519 upvar #0 help_topics([irctolower [string trim $text]]) info
520 if {![info exists info]} { ucmdr "No help on $text, sorry." {} }
526 ucmdr $help_topics() {}
529 proc manyset {list args} {
530 foreach val $list var $args {
536 proc check_username {target} {
538 [string length $target] > 8 ||
539 [regexp {[^-0-9a-z]} $target] ||
540 ![regexp {^[a-z]} $target]
541 } { error "invalid username" }
545 set username [ta_word]
546 set passmd5 [md5sum [ta_word]]
549 upvar #0 nick_onchans($n) onchans
550 if {![info exists onchans] || ![llength $onchans]} {
551 ucmdr {} "You must be on a channel with me to identify yourself."
553 check_username $username
554 exec userv --timeout 3 $username << "$passmd5\n" > /dev/null \
556 upvar #0 nick_username($n) rec_username
557 set rec_username $username
558 ucmdr {} "Pleased to see you, $username."
564 check_username $target
567 upvar #0 lastsummon($target) ls
568 set now [clock seconds]
569 if {[info exists ls]} {
570 set interval [expr {$now - $ls}]
571 if {$interval < 30} {
573 "Please be patient; $target was summoned only [showinterval $interval]."
576 regsub {^[^!]*!} $p {} path
578 exec userv --timeout 3 $target irc-summon $n $path \
579 [expr {[ischan $dest] ? "$dest" : ""}] \
582 regsub -all "\n" $rv { / } rv
585 if {[regexp {^problem (.*)} $rv dummy problem]} {
586 ucmdr {} "The user `$target' $problem."
587 } elseif {[regexp {^ok ([^ ]+) ([0-9]+)$} $rv dummy tty idlesince]} {
588 set idletime [expr {$now - $idlesince}]
590 ucmdr {} {} {} "invites $target ($tty[expr {
591 $idletime > 10 ? ", idle for [showintervalsecs $idletime]" : ""
593 [ischan $dest] ? "join us here" : "talk to you"
596 error "unexpected response from userv service: $rv"
600 proc md5sum {value} { exec md5sum << $value }
606 set nlower [irctolower $ncase]
608 set now [clock seconds]
609 if {"$nlower" == "[irctolower $nick]"} {
610 error "I am not self-aware."
611 } elseif {![info exists lastseen($nlower)]} {
612 set rstr "I've never seen $ncase."
614 manyset $lastseen($nlower) realnick time what
615 set howlong [expr {$now - $time}]
616 set string [showinterval $howlong]
617 set rstr "I last saw $realnick $string, $what."
619 if {[ischan $dest]} {
624 upvar #0 lookedfor($nlower) lf
625 if {[info exists lf]} { set oldvalue $lf } else { set oldvalue {} }
626 set lf [list [list $now $n $where]]
627 foreach v $oldvalue {
628 if {"[irctolower [lindex $v 1]]" == "[irctolower $n]"} continue
634 if {![info exists sock]} {
635 set sock [socket $host $port]
636 fconfigure $sock -buffering line
637 #fconfigure $sock -translation binary
638 fconfigure $sock -translation crlf
640 sendout USER blight 0 * $ownfullname
642 fileevent $sock readable onread
647 #if {![regexp {tclsh} $argv0]} {