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]} {
70 if {![string length $line]} { return }
71 if {![regexp -nocase {^([0-9a-z]+) *(.*)} $line dummy command line]} {
72 log "bad command: $org"
75 set command [string toupper $command]
77 while {[regexp {^([^ :]+) *(.*)} $line dummy thisword line]} {
78 lappend params $thisword
80 if {[regexp {^:(.*)} $line dummy thisword]} {
81 lappend params $thisword
82 } elseif {[string length $line]} {
83 log "junk at end: $org"
86 if {"$command" == "PRIVMSG" &&
87 [regexp {^[&#+!]} [lindex $params 0]] &&
88 ![regexp {^!} [lindex $params 1]]} {
89 # on-channel message, ignore
91 recordlastseen_p $prefix "talking on [lindex $params 0]" 1
95 log "[clock seconds] <- $org"
96 set procname msg_$command
97 if {[catch { info body $procname }]} { return }
99 eval [list $procname $prefix $command] $params
101 logerror "error: $emsg ($prefix $command $params)"
106 proc sendprivmsg {dest l} {
107 sendout [expr {[ischan $dest] ? "PRIVMSG" : "NOTICE"}] $dest $l
109 proc sendaction {dest what} { sendout PRIVMSG $dest "\001ACTION $what\001" }
110 proc msendprivmsg {dest ll} { foreach l $ll { sendprivmsg $dest $l } }
111 proc msendprivmsg_delayed {delay dest ll} { after $delay [list msendprivmsg $dest $ll] }
113 proc prefix_none {} {
115 if {[string length $p]} { error "prefix specified" }
118 proc msg_PING {p c s1} {
123 proc check_nick {n} {
124 if {[regexp -nocase {[^][\\`_^{|}a-z0-9-]} $n]} { error "bad char in nick" }
125 if {[regexp {^[-0-9]} $n]} { error "bad nick start" }
129 return [regexp {^[&#+!]} $dest]
132 proc irctolower {v} {
133 foreach {from to} [list "\\\[" "{" \
137 regsub -all $from $v $to v
139 return [string tolower $v]
142 proc prefix_nick {} {
146 if {![regexp {^([^!]+)!} $p dummy n]} { error "not from nick" }
148 if {"[irctolower $n]" == "[irctolower $nick]"} { error "from myself" }
151 proc showintervalsecs {howlong} {
152 if {$howlong < 1000} {
155 if {$howlong < 1000000} {
162 set value [expr "$howlong.0 / $scale"]
163 foreach {min format} {100 %.0f 10 %.1f 1 %.2f} {
164 if {$value < $min} continue
165 return [format "$format${pfx}s" $value]
170 proc showinterval {howlong} {
174 return "[showintervalsecs $howlong] ago"
178 proc showtime {when} {
179 return [showinterval [expr {[clock seconds] - $when}]]
182 proc def_msgproc {name argl body} {
183 proc msg_$name "varbase $argl" "\
184 upvar #0 msg/\$varbase/dest d\n\
185 upvar #0 msg/\$varbase/str s\n\
186 upvar #0 msg/\$varbase/accum a\n\
190 def_msgproc begin {dest str} {
196 def_msgproc append {str} {
198 if {[string length $s] && [string length $ns] > 65} {
199 msg__sendout $varbase
200 set s " [string trimleft $str]"
206 def_msgproc finish {} {
207 msg__sendout $varbase
213 def_msgproc _sendout {} {
214 lappend a [string trimright $s]
218 proc looking_whenwhere {when where} {
219 set str [showtime [expr {$when-1}]]
220 if {[string length $where]} { append str " on $where" }
224 proc recordlastseen_n {n how here} {
225 global lastseen lookedfor
226 set lastseen([irctolower $n]) [list $n [clock seconds] $how]
228 upvar #0 lookedfor([irctolower $n]) lf
229 if {[info exists lf]} {
230 switch -exact [llength $lf] {
235 manyset [lindex $lf 0] when who where
237 "FYI, $who was looking for you [looking_whenwhere $when $where]."]
240 msg_begin tosend $n "FYI, people have been looking for you:"
246 msg_append tosend " "
247 } elseif {$i == [llength $lf]} {
248 msg_append tosend " and "
251 msg_append tosend ", "
253 manyset $e when who where
255 "$who ([looking_whenwhere $when $where])$fin"
257 set ml [msg_finish tosend]
261 msendprivmsg_delayed 1000 $n $ml
265 proc recordlastseen_p {p how here} {
267 recordlastseen_n $n $how $here
270 proc chanmode_arg {} {
272 set rv [lindex $cm_args 0]
273 set cm_args [lreplace cm_args 0 0]
277 proc chanmode_o1 {m g p chan} {
280 set who [chanmode_arg]
281 recordlastseen_n $n "being nice to $who" 1
282 if {"[irctolower $who]" == "[irctolower $nick]"} {
283 sendprivmsg $n Thanks.
287 proc chanmode_o0 {m g p chan} {
290 set who [chanmode_arg]
291 recordlastseen_p $p "being mean to $who" 1
292 if {"[irctolower $who]" == "[irctolower $nick]"} {
293 set chandeop($chan) [list [clock seconds] $p]
297 proc msg_MODE {p c dest modelist args} {
298 if {![ischan $dest]} return
299 if {[regexp {^\-(.+)$} $modelist dummy modelist]} {
301 } elseif {[regexp {^\+(.+)$} $modelist dummy modelist]} {
304 error "invalid modelist"
306 foreach m [split $modelist] {
307 set procname chanmode_$m$give
308 if {[catch { info body $procname }]} {
309 recordlastseen_p $p "fiddling with $dest" 1
311 $procname $m $give $p $dest
316 proc msg_NICK {p c newnick} {
318 recordlastseen_n $n "changing nicks to $newnick" 0
319 recordlastseen_n $newnick "changing nicks from $n" 1
322 proc msg_JOIN {p c chan} { recordlastseen_p $p "joining $chan" 1 }
323 proc msg_PART {p c chan} { recordlastseen_p $p "leaving $chan" 1 }
324 proc msg_QUIT {p c why} { recordlastseen_p $p "leaving ($why)" 0 }
326 proc msg_PRIVMSG {p c dest text} {
328 if {[ischan $dest]} {
329 recordlastseen_n $n "invoking me in $dest" 1
332 recordlastseen_n $n "talking to me" 1
337 regsub {^! *} $text {} text
339 set procname ucmd/[string tolower $ucmd]
340 if {[catch { info body $procname }]} {
341 error "unknown command; try help for help"
345 sendprivmsg $n "error: $rv"
347 manyset $rv priv_msgs pub_msgs priv_acts pub_acts
348 foreach {td val} [list $n $priv_msgs $output $pub_msgs] {
349 foreach l [split $val "\n"] {
353 foreach {td val} [list $n $priv_acts $output $pub_acts] {
354 foreach l [split $val "\n"] {
363 if {[string length $text]} { error "too many parameters" }
368 if {![regexp {^([^ ]+) *(.*)} $text dummy firstword text]} {
369 error "too few parameters"
381 proc def_ucmd {cmdname body} {
382 proc ucmd/$cmdname {p dest} " upvar 1 text text\n$body"
385 proc ucmdr {priv pub args} {
386 return -code return [concat [list $priv $pub] $args]
389 proc ucmd_sendhelp {} {
391 {Commands currently understood:
392 help get this list of commands
393 seen <nick> ask after someone (I'll tell them you asked)
394 summon <username> invite a logged-on user onto IRC
395 Send commands to be by /msg, or say them in channel with ! in front.} {}
398 def_ucmd help { ta_nomore; ucmd_sendhelp }
400 def_ucmd ? { ta_nomore; ucmd_sendhelp }
402 proc manyset {list args} {
403 foreach val $list var $args {
413 [string length $target] > 8 ||
414 [regexp {[^-0-9a-z]} $target] ||
415 ![regexp {^[a-z]} $target]
416 } { error "invalid username" }
419 upvar #0 lastsummon($target) ls
420 set now [clock seconds]
421 if {[info exists ls]} {
422 set interval [expr {$now - $ls}]
423 if {$interval < 30} {
425 "Please be patient; $target was summoned only [showinterval $interval]."
428 regsub {^[^!]*!} $p {} path
430 exec userv --timeout 3 $target irc-summon $n $path \
431 [expr {[ischan $dest] ? "$dest" : ""}] \
434 regsub -all "\n" $rv { / } rv
437 if {[regexp {^problem (.*)} $rv dummy problem]} {
438 ucmdr {} "The user `$target' $problem."
439 } elseif {[regexp {^ok ([^ ]+) ([0-9]+)$} $rv dummy tty idlesince]} {
440 set idletime [expr {$now - $idlesince}]
442 ucmdr {} {} {} "invites $target ($tty[expr {
443 $idletime > 10 ? ", idle for [showintervalsecs $idletime]" : ""
445 [ischan $dest] ? "join us here" : "talk to you"
448 error "unexpected response from userv service: $rv"
452 proc userdb_exists {n} {
454 binary scan [irctolower $n] H* nhex
455 return [file exists users/$nhex]
458 proc md5sum {value} { exec md5sum << $value }
460 # proc userdb_store {n args} { }
463 global ownmailaddr ownfullname nick globalsecret
465 if {[ischan $dest]} {
466 error "You must register privately."
468 if {[userdb_exists $n]} {
469 error "You (or someone else) have already registered the nick $n."
471 set ownermail [ta_word]
473 set now [clock seconds]
476 set ksecs [expr {$now / $small}]
477 set kmod [expr {$ksecs % $mult}]
479 if {[string length $text]} {
480 if {![regexp -nocase {^([0-5])[0-9a-f]+\s+(.*)$} $text pass_sup kmod text]} {
483 set ksecs [expr {(($ksecs - $kmod) / $mult) * 6 + $kmod}]
485 set hash [md5sum "$ksecs\n$ownermail\n"]
486 set passwd "$kmod[string range $hash 0 15]"
488 if {[info exists pass_sup]} {
489 if {"$passwd" != "$pass_sup"} {
490 error "Incorrect registration password."
494 sendaction $n "ignores your ok"
497 "From: $ownmailaddr ($ownfullname)
498 Subject: $nick registration
501 Thanks for starting the registration process. You must now issue the
502 `newuser' command with both the same email address again, and your
503 registration password from this mail.
506 Email address: $ownermail
509 This password will be valid for approximately the next 600ks
510 (or until I am restarted).
513 /msg $nick newuser $ownermail $passwd"
514 exec /usr/sbin/sendmail -odi -oee -oi -t << $mailmsg
515 sendaction $n "has sent your registration mail to $ownermail."
523 set nlower [irctolower $ncase]
525 set now [clock seconds]
526 if {"$nlower" == "[irctolower $nick]"} {
527 error "I am not self-aware."
528 } elseif {![info exists lastseen($nlower)]} {
529 set rstr "I've never seen $ncase."
531 manyset $lastseen($nlower) realnick time what
532 set howlong [expr {$now - $time}]
533 set string [showinterval $howlong]
534 set rstr "I last saw $realnick $string, $what."
536 if {[ischan $dest]} {
541 upvar #0 lookedfor($nlower) lf
542 if {[info exists lf]} { set oldvalue $lf } else { set oldvalue {} }
543 set lf [list [list $now $n $where]]
544 foreach v $oldvalue {
545 if {"[irctolower [lindex $v 1]]" == "[irctolower $n]"} continue
551 if {![info exists sock]} {
552 set sock [socket $host $port]
553 fconfigure $sock -buffering line
554 #fconfigure $sock -translation binary
555 fconfigure $sock -translation crlf
557 sendout USER guest 0 * $ownfullname
559 fileevent $sock readable onread
562 #if {![regexp {tclsh} $argv0]} {