set host chiark
set port 6667
-set nick Blight
+if {![info exists nick]} { set nick Blight }
+if {![info exists ownfullname]} { set ownfullname "here to Help" }
+set ownmailaddr blight@chiark.greenend.org.uk
-set sock [socket $host $port]
-fconfigure $sock -buffering line
-#fconfigure $sock -translation binary
-fconfigure $sock -translation crlf
+if {![info exists globalsecret]} {
+ set gsfile [open /dev/urandom r]
+ fconfigure $gsfile -translation binary
+ set globalsecret [read $gsfile 32]
+ binary scan $globalsecret H* globalsecret
+ close $gsfile
+ unset gsfile
+}
-proc sendout {prefix command args} {
+proc sendout {command args} {
+ global sock
if {[llength $args]} {
set la [lindex $args end]
set args [lreplace $args end end]
foreach i $args {
if {[regexp {[: ]} $i]} {
- error "bad argument in output $i ($prefix $command $args)"
+ error "bad argument in output $i ($command $args)"
}
}
- lappend $args :$la
+ lappend args :$la
}
set args [lreplace $args 0 -1 $command]
- if {[string length $prefix]} {
- set args [lreplace $args
- set string "$command"
- puts $string
+ set string [join $args { }]
+ puts "[clock seconds] -> $string"
puts $sock $string
}
-puts $sock "USER guest 0 * :chiark testing bot"
-puts $sock "NICK $nick"
proc log {data} {
puts $data
proc logerror {data} {
log $data
-}
+}
+
+proc saveeic {} {
+ global saveei saveec errorInfo errorCode
+
+ set saveei $errorInfo
+ set saveec $errorCode
+
+ puts ">$saveec|$saveei<"
+}
+
+proc bgerror {msg} {
+ global save
+ logerror $msg
+ saveeic
+}
proc onread {args} {
- global sock saveei saveec errorInfo errorCode
+ global sock
- gets $sock line
- regsub -all "\\[^ -\176\240-\376\\]" $line ? line
+ if {[gets $sock line] == -1} { set terminate 1; return }
+ regsub -all "\[^ -\176\240-\376\]" $line ? line
set org $line
if {[regexp -nocase {^:([^ ]+) (.*)} $line dummy prefix remain]} {
set line $remain
} else {
set prefix {}
}
+ if {![string length $line]} { return }
if {![regexp -nocase {^([0-9a-z]+) *(.*)} $line dummy command line]} {
log "bad command: $org"
return
}
- set command [string toupper command]
+ set command [string toupper $command]
set params {}
- while {[regexp {([^ :]+) *(.*)} $line dummy thisword line]} {
+ while {[regexp {^([^ :]+) *(.*)} $line dummy thisword line]} {
lappend params $thisword
}
if {[regexp {^:(.*)} $line dummy thisword]} {
log "junk at end: $org"
return
}
+ if {"$command" == "PRIVMSG" &&
+ [regexp {^[&#+!]} [lindex $params 0]] &&
+ ![regexp {^!} [lindex $params 1]]} {
+ # on-channel message, ignore
+ catch {
+ recordlastseen_p $prefix "talking on [lindex $params 0]" 1
+ }
+ return
+ }
+ log "[clock seconds] <- $org"
set procname msg_$command
+ if {[catch { info body $procname }]} { return }
if {[catch {
eval [list $procname $prefix $command] $params
} emsg]} {
logerror "error: $emsg ($prefix $command $params)"
- if {![regexp {^invalid command name } $emsg]} {
- set saveei $errorInfo
- set saveec $errorCode
- }
+ saveeic
}
}
-proc noprefix {} {
- upvar 1 p
+proc sendprivmsg {dest l} {
+ sendout [expr {[ischan $dest] ? "PRIVMSG" : "NOTICE"}] $dest $l
+}
+proc sendaction {dest what} { sendout PRIVMSG $dest "\001ACTION $what\001" }
+proc msendprivmsg {dest ll} { foreach l $ll { sendprivmsg $dest $l } }
+proc msendprivmsg_delayed {delay dest ll} { after $delay [list msendprivmsg $dest $ll] }
+
+proc prefix_none {} {
+ upvar 1 p p
if {[string length $p]} { error "prefix specified" }
+}
+
+proc msg_PING {p c s1} {
+ prefix_none
+ sendout PONG $s1
+}
+
+proc check_nick {n} {
+ if {[regexp -nocase {[^][\\`_^{|}a-z0-9-]} $n]} { error "bad char in nick" }
+ if {[regexp {^[-0-9]} $n]} { error "bad nick start" }
+}
-proc msg_PING {p s1} {
- noprefix
- puts "PONG $s1"
+proc ischan {dest} {
+ return [regexp {^[&#+!]} $dest]
}
-fileevent $sock readable onread
+proc irctolower {v} {
+ foreach {from to} [list "\\\[" "{" \
+ "\\\]" "}" \
+ "\\\\" "|" \
+ "~" "^"] {
+ regsub -all $from $v $to v
+ }
+ return [string tolower $v]
+}
+
+proc prefix_nick {} {
+ global nick
+ upvar 1 p p
+ upvar 1 n n
+ if {![regexp {^([^!]+)!} $p dummy n]} { error "not from nick" }
+ check_nick $n
+ if {"[irctolower $n]" == "[irctolower $nick]"} { error "from myself" }
+}
+
+proc showintervalsecs {howlong} {
+ if {$howlong < 1000} {
+ return "${howlong}s"
+ } else {
+ if {$howlong < 1000000} {
+ set pfx k
+ set scale 1000
+ } else {
+ set pfx M
+ set scale 1000000
+ }
+ set value [expr "$howlong.0 / $scale"]
+ foreach {min format} {100 %.0f 10 %.1f 1 %.2f} {
+ if {$value < $min} continue
+ return [format "$format${pfx}s" $value]
+ }
+ }
+}
+
+proc showinterval {howlong} {
+ if {$howlong <= 0} {
+ return {just now}
+ } else {
+ return "[showintervalsecs $howlong] ago"
+ }
+}
+
+proc showtime {when} {
+ return [showinterval [expr {[clock seconds] - $when}]]
+}
+
+proc def_msgproc {name argl body} {
+ proc msg_$name "varbase $argl" "\
+ upvar #0 msg/\$varbase/dest d\n\
+ upvar #0 msg/\$varbase/str s\n\
+ upvar #0 msg/\$varbase/accum a\n\
+$body"
+}
+
+def_msgproc begin {dest str} {
+ set d $dest
+ set s $str
+ set a {}
+}
+
+def_msgproc append {str} {
+ set ns "$s$str"
+ if {[string length $s] && [string length $ns] > 65} {
+ msg__sendout $varbase
+ set s " [string trimleft $str]"
+ } else {
+ set s $ns
+ }
+}
+
+def_msgproc finish {} {
+ msg__sendout $varbase
+ unset s
+ unset d
+ return $a
+}
+
+def_msgproc _sendout {} {
+ lappend a [string trimright $s]
+ set s {}
+}
+
+proc looking_whenwhere {when where} {
+ set str [showtime [expr {$when-1}]]
+ if {[string length $where]} { append str " on $where" }
+ return $str
+}
+
+proc recordlastseen_n {n how here} {
+ global lastseen lookedfor
+ set lastseen([irctolower $n]) [list $n [clock seconds] $how]
+ if {!$here} return
+ upvar #0 lookedfor([irctolower $n]) lf
+ if {[info exists lf]} {
+ switch -exact [llength $lf] {
+ 0 {
+ set ml {}
+ }
+ 1 {
+ manyset [lindex $lf 0] when who where
+ set ml [list \
+ "FYI, $who was looking for you [looking_whenwhere $when $where]."]
+ }
+ default {
+ msg_begin tosend $n "FYI, people have been looking for you:"
+ set i 0
+ set fin ""
+ foreach e $lf {
+ incr i
+ if {$i == 1} {
+ msg_append tosend " "
+ } elseif {$i == [llength $lf]} {
+ msg_append tosend " and "
+ set fin .
+ } else {
+ msg_append tosend ", "
+ }
+ manyset $e when who where
+ msg_append tosend \
+ "$who ([looking_whenwhere $when $where])$fin"
+ }
+ set ml [msg_finish tosend]
+ }
+ }
+ unset lf
+ msendprivmsg_delayed 1000 $n $ml
+ }
+}
+
+proc recordlastseen_p {p how here} {
+ prefix_nick
+ recordlastseen_n $n $how $here
+}
+
+proc chanmode_arg {} {
+ upvar 2 args cm_args
+ set rv [lindex $cm_args 0]
+ set cm_args [lreplace cm_args 0 0]
+ return $rv
+}
+
+proc chanmode_o1 {m g p chan} {
+ global nick
+ prefix_nick
+ set who [chanmode_arg]
+ recordlastseen_n $n "being nice to $who" 1
+ if {"[irctolower $who]" == "[irctolower $nick]"} {
+ sendprivmsg $n Thanks.
+ }
+}
+
+proc chanmode_o0 {m g p chan} {
+ global nick chandeop
+ prefix_nick
+ set who [chanmode_arg]
+ recordlastseen_p $p "being mean to $who" 1
+ if {"[irctolower $who]" == "[irctolower $nick]"} {
+ set chandeop($chan) [list [clock seconds] $p]
+ }
+}
+
+proc msg_MODE {p c dest modelist args} {
+ if {![ischan $dest]} return
+ if {[regexp {^\-(.+)$} $modelist dummy modelist]} {
+ set give 0
+ } elseif {[regexp {^\+(.+)$} $modelist dummy modelist]} {
+ set give 1
+ } else {
+ error "invalid modelist"
+ }
+ foreach m [split $modelist] {
+ set procname chanmode_$m$give
+ if {[catch { info body $procname }]} {
+ recordlastseen_p $p "fiddling with $dest" 1
+ } else {
+ $procname $m $give $p $dest
+ }
+ }
+}
+
+proc msg_NICK {p c newnick} {
+ prefix_nick
+ recordlastseen_n $n "changing nicks to $newnick" 0
+ recordlastseen_n $newnick "changing nicks from $n" 1
+}
+
+proc msg_JOIN {p c chan} { recordlastseen_p $p "joining $chan" 1 }
+proc msg_PART {p c chan} { recordlastseen_p $p "leaving $chan" 1 }
+proc msg_QUIT {p c why} { recordlastseen_p $p "leaving ($why)" 0 }
+
+proc msg_PRIVMSG {p c dest text} {
+ prefix_nick
+ if {[ischan $dest]} {
+ recordlastseen_n $n "invoking me in $dest" 1
+ set output $dest
+ } else {
+ recordlastseen_n $n "talking to me" 1
+ set output $n
+ }
+
+ if {[catch {
+ regsub {^! *} $text {} text
+ set ucmd [ta_word]
+ set procname ucmd/[string tolower $ucmd]
+ if {[catch { info body $procname }]} {
+ error "unknown command; try help for help"
+ }
+ $procname $p $dest
+ } rv]} {
+ sendprivmsg $n "error: $rv"
+ } else {
+ manyset $rv priv_msgs pub_msgs priv_acts pub_acts
+ foreach {td val} [list $n $priv_msgs $output $pub_msgs] {
+ foreach l [split $val "\n"] {
+ sendprivmsg $td $l
+ }
+ }
+ foreach {td val} [list $n $priv_acts $output $pub_acts] {
+ foreach l [split $val "\n"] {
+ sendaction $td $l
+ }
+ }
+ }
+}
+
+proc ta_nomore {} {
+ upvar 1 text text
+ if {[string length $text]} { error "too many parameters" }
+}
+
+proc ta_word {} {
+ upvar 1 text text
+ if {![regexp {^([^ ]+) *(.*)} $text dummy firstword text]} {
+ error "too few parameters"
+ }
+ return $firstword
+}
+
+proc ta_nick {} {
+ upvar 1 text text
+ set v [ta_word]
+ check_nick $v
+ return $v
+}
+
+proc def_ucmd {cmdname body} {
+ proc ucmd/$cmdname {p dest} " upvar 1 text text\n$body"
+}
+
+proc ucmdr {priv pub args} {
+ return -code return [concat [list $priv $pub] $args]
+}
+
+proc ucmd_sendhelp {} {
+ ucmdr \
+{Commands currently understood:
+ help get this list of commands
+ seen <nick> ask after someone (I'll tell them you asked)
+ summon <username> invite a logged-on user onto IRC
+Send commands to be by /msg, or say them in channel with ! in front.} {}
+}
+
+def_ucmd help { ta_nomore; ucmd_sendhelp }
+
+def_ucmd ? { ta_nomore; ucmd_sendhelp }
+
+proc manyset {list args} {
+ foreach val $list var $args {
+ upvar 1 $var my
+ set my $val
+ }
+}
+
+def_ucmd summon {
+ set target [ta_word]
+ ta_nomore
+ if {
+ [string length $target] > 8 ||
+ [regexp {[^-0-9a-z]} $target] ||
+ ![regexp {^[a-z]} $target]
+ } { error "invalid username" }
+ prefix_nick
+
+ upvar #0 lastsummon($target) ls
+ set now [clock seconds]
+ if {[info exists ls]} {
+ set interval [expr {$now - $ls}]
+ if {$interval < 30} {
+ ucmdr {} \
+ "Please be patient; $target was summoned only [showinterval $interval]."
+ }
+ }
+ regsub {^[^!]*!} $p {} path
+ if {[catch {
+ exec userv --timeout 3 $target irc-summon $n $path \
+ [expr {[ischan $dest] ? "$dest" : ""}] \
+ < /dev/null
+ } rv]} {
+ regsub -all "\n" $rv { / } rv
+ error $rv
+ }
+ if {[regexp {^problem (.*)} $rv dummy problem]} {
+ ucmdr {} "The user `$target' $problem."
+ } elseif {[regexp {^ok ([^ ]+) ([0-9]+)$} $rv dummy tty idlesince]} {
+ set idletime [expr {$now - $idlesince}]
+ set ls $now
+ ucmdr {} {} {} "invites $target ($tty[expr {
+ $idletime > 10 ? ", idle for [showintervalsecs $idletime]" : ""
+ }]) to [expr {
+ [ischan $dest] ? "join us here" : "talk to you"
+ }]."
+ } else {
+ error "unexpected response from userv service: $rv"
+ }
+}
+
+proc userdb_exists {n} {
+
+ binary scan [irctolower $n] H* nhex
+ return [file exists users/$nhex]
+}
+
+proc md5sum {value} { exec md5sum << $value }
+
+# proc userdb_store {n args} { }
+
+def_ucmd newuser {
+ global ownmailaddr ownfullname nick globalsecret
+ prefix_nick
+ if {[ischan $dest]} {
+ error "You must register privately."
+ }
+ if {[userdb_exists $n]} {
+ error "You (or someone else) have already registered the nick $n."
+ }
+ set ownermail [ta_word]
+
+ set now [clock seconds]
+ set small 100000
+ set mult 6
+ set ksecs [expr {$now / $small}]
+ set kmod [expr {$ksecs % $mult}]
+
+ if {[string length $text]} {
+ if {![regexp -nocase {^([0-5])[0-9a-f]+\s+(.*)$} $text pass_sup kmod text]} {
+ error ...
+ }
+ set ksecs [expr {(($ksecs - $kmod) / $mult) * 6 + $kmod}]
+ }
+ set hash [md5sum "$ksecs\n$ownermail\n"]
+ set passwd "$kmod[string range $hash 0 15]"
+
+ if {[info exists pass_sup]} {
+ if {"$passwd" != "$pass_sup"} {
+ error "Incorrect registration password."
+ }
+ userdb_store $n \
+
+ sendaction $n "ignores your ok"
+ } else {
+ set mailmsg \
+"From: $ownmailaddr ($ownfullname)
+Subject: $nick registration
+To: $ownermail
+
+Thanks for starting the registration process. You must now issue the
+`newuser' command with both the same email address again, and your
+registration password from this mail.
+
+Nick: $n
+Email address: $ownermail
+Password: $passwd
+
+This password will be valid for approximately the next 600ks
+(or until I am restarted).
+
+For example,
+ /msg $nick newuser $ownermail $passwd"
+ exec /usr/sbin/sendmail -odi -oee -oi -t << $mailmsg
+ sendaction $n "has sent your registration mail to $ownermail."
+ }
+}
+
+def_ucmd seen {
+ global lastseen nick
+ prefix_nick
+ set ncase [ta_nick]
+ set nlower [irctolower $ncase]
+ ta_nomore
+ set now [clock seconds]
+ if {"$nlower" == "[irctolower $nick]"} {
+ error "I am not self-aware."
+ } elseif {![info exists lastseen($nlower)]} {
+ set rstr "I've never seen $ncase."
+ } else {
+ manyset $lastseen($nlower) realnick time what
+ set howlong [expr {$now - $time}]
+ set string [showinterval $howlong]
+ set rstr "I last saw $realnick $string, $what."
+ }
+ if {[ischan $dest]} {
+ set where $dest
+ } else {
+ set where {}
+ }
+ upvar #0 lookedfor($nlower) lf
+ if {[info exists lf]} { set oldvalue $lf } else { set oldvalue {} }
+ set lf [list [list $now $n $where]]
+ foreach v $oldvalue {
+ if {"[irctolower [lindex $v 1]]" == "[irctolower $n]"} continue
+ lappend lf $v
+ }
+ ucmdr {} $rstr
+}
+
+if {![info exists sock]} {
+ set sock [socket $host $port]
+ fconfigure $sock -buffering line
+ #fconfigure $sock -translation binary
+ fconfigure $sock -translation crlf
+
+ sendout USER guest 0 * $ownfullname
+ sendout NICK $nick
+ fileevent $sock readable onread
+}
-vwait terminate
+#if {![regexp {tclsh} $argv0]} {
+# vwait terminate
+#}
~mdw / ircbot / blobdiff