-#!/usr/bin/tclsh8.2
+# Core bot code
-set host chiark
-set port 6667
-if {![info exists nick]} { set nick Blight }
+proc defset {varname val} {
+ upvar #0 $varname var
+ if {![info exists var]} { set var $val }
+}
+
+# must set host
+defset port 6667
+
+defset nick testbot
+defset ownfullname "testing bot"
+defset ownmailaddr test-irc-bot@example.com
+
+defset musthaveping_ms 10000
+defset out_maxburst 6
+defset out_interval 2100
+defset out_lag_lag 5000
+defset out_lag_very 25000
+
+proc manyset {list args} {
+ foreach val $list var $args {
+ upvar 1 $var my
+ set my $val
+ }
+}
+
+proc try_except_finally {try except finally} {
+ global errorInfo errorCode
+ set er [catch { uplevel 1 $try } emsg]
+ if {$er} {
+ set ei $errorInfo
+ set ec $errorCode
+ if {[catch { uplevel 1 $except } emsg3]} {
+ append ei "\nALSO ERROR HANDLING ERROR:\n$emsg3"
+ }
+ }
+ set er2 [catch { uplevel 1 $finally } emsg2]
+ if {$er} {
+ if {$er2} {
+ append ei "\nALSO ERROR CLEANING UP:\n$emsg2"
+ }
+ return -code $er -errorinfo $ei -errorcode $ec $emsg
+ } elseif {$er2} {
+ return -code $er2 -errorinfo $errorInfo -errorcode $errorCode $emsg2
+ } else {
+ return $emsg
+ }
+}
-proc sendout {command args} {
+proc out__vars {} {
+ uplevel 1 {
+ global out_queue out_creditms out_creditat out_interval out_maxburst
+ global out_lag_lag out_lag_very
+#set pr [lindex [info level 0] 0]
+#puts $pr>[clock seconds]|$out_creditat|$out_creditms|[llength $out_queue]<
+ }
+}
+
+proc out_lagged {} {
+ out__vars
+ if {[llength $out_queue]*$out_interval > $out_lag_very} {
+ return 2
+ } elseif {[llength $out_queue]*$out_interval > $out_lag_lag} {
+ return 1
+ } else {
+ return 0
+ }
+}
+
+proc out_restart {} {
+ out__vars
+
+ set now [clock seconds]
+ incr out_creditms [expr {($now - $out_creditat) * 1000}]
+ set out_creditat $now
+ if {$out_creditms > $out_maxburst*$out_interval} {
+ set out_creditms [expr {$out_maxburst*$out_interval}]
+ }
+ out_runqueue $now
+}
+
+proc out_runqueue {now} {
global sock
+ out__vars
+
+ while {[llength $out_queue] && $out_creditms >= $out_interval} {
+#puts rq>$now|$out_creditat|$out_creditms|[llength $out_queue]<
+ manyset [lindex $out_queue 0] orgwhen msg
+ set out_queue [lrange $out_queue 1 end]
+ if {[llength $out_queue]} {
+ append orgwhen "+[expr {$now - $orgwhen}]"
+ append orgwhen "([llength $out_queue])"
+ }
+ puts "$orgwhen -> $msg"
+ puts $sock $msg
+ incr out_creditms -$out_interval
+ }
+ if {[llength $out_queue]} {
+ after $out_interval out_nextmessage
+ }
+}
+
+proc out_nextmessage {} {
+ out__vars
+ set now [clock seconds]
+ incr out_creditms $out_interval
+ set out_creditat $now
+ out_runqueue $now
+}
+
+proc sendout_priority {priority command args} {
+ global sock out_queue
if {[llength $args]} {
set la [lindex $args end]
set args [lreplace $args end end]
}
set args [lreplace $args 0 -1 $command]
set string [join $args { }]
- puts "[clock seconds] -> $string"
- puts $sock $string
+ set now [clock seconds]
+ set newe [list $now $string]
+ if {$priority} {
+ set out_queue [concat [list $newe] $out_queue]
+ } else {
+ lappend out_queue $newe
+ }
+ if {[llength $out_queue] == 1} {
+ out_restart
+ }
}
+proc sendout {command args} { eval sendout_priority [list 0 $command] $args }
+
proc log {data} {
puts $data
}
}
proc onread {args} {
- global sock
+ global sock nick calling_nick errorInfo errorCode
- if {[gets $sock line] == -1} { set terminate 1; return }
-binary scan $line H* inhex; puts >$inhex<
+ if {[gets $sock line] == -1} { fail "EOF/error on input" }
regsub -all "\[^ -\176\240-\376\]" $line ? line
set org $line
+
+ set ei $errorInfo
+ set ec $errorCode
+ catch { unset calling_nick }
+ set errorInfo $ei
+ set errorCode $ec
+
if {[regexp -nocase {^:([^ ]+) (.*)} $line dummy prefix remain]} {
set line $remain
+ if {[regexp {^([^!]+)!} $prefix dummy maybenick]} {
+ set calling_nick $maybenick
+ if {"[irctolower $maybenick]" == "[irctolower $nick]"} return
+ }
} else {
set prefix {}
}
}
if {"$command" == "PRIVMSG" &&
[regexp {^[&#+!]} [lindex $params 0]] &&
- ![regexp {^!} [lindex $params 1]]} {
+ ![regexp {^![a-z][-a-z]*[a-z]( .*)?$} [lindex $params 1]]} {
# on-channel message, ignore
catch {
recordlastseen_p $prefix "talking on [lindex $params 0]" 1
}
proc sendprivmsg {dest l} {
- sendout [expr {[ischan $dest] ? "PRIVMSG" : "NOTICE"}] $dest $l
+ foreach v [split $l "\n"] {
+ sendout [expr {[ischan $dest] ? "PRIVMSG" : "NOTICE"}] $dest $v
+ }
+}
+proc sendaction_priority {priority dest what} {
+ sendout_priority $priority PRIVMSG $dest "\001ACTION $what\001"
}
-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 msg_PING {p c s1} {
+ global musthaveping_after
prefix_none
sendout PONG $s1
+ if {[info exists musthaveping_after]} connected
}
proc check_nick {n} {
upvar 1 n n
if {![regexp {^([^!]+)!} $p dummy n]} { error "not from nick" }
check_nick $n
- if {"[irctolower $n]" == "[irctolower $nick]"} { error "from myself" }
+ if {"[irctolower $n]" == "[irctolower $nick]"} {
+ error "from myself" {} {}
+ }
}
proc showintervalsecs {howlong} {
+ return [showintervalsecs/[opt timeformat] $howlong]
+}
+
+proc showintervalsecs/ks {howlong} {
if {$howlong < 1000} {
return "${howlong}s"
} else {
}
}
+proc format_qty {qty unit} {
+ set o $qty
+ append o " "
+ append o $unit
+ if {$qty != 1} { append o s }
+ return $o
+}
+
+proc showintervalsecs/hms {qty} {
+ set ul {second 60 minute 60 hour 24 day 7 week}
+ set remainv 0
+ while {[llength $ul] > 1 && $qty >= [set uv [lindex $ul 1]]} {
+ set remainu [lindex $ul 0]
+ set remainv [expr {$qty % $uv}]
+ set qty [expr {($qty-$remainv)/$uv}]
+ set ul [lreplace $ul 0 1]
+ }
+ set o [format_qty $qty [lindex $ul 0]]
+ if {$remainv} {
+ append o " "
+ append o [format_qty $remainv $remainu]
+ }
+ return $o
+}
+
proc showinterval {howlong} {
if {$howlong <= 0} {
return {just now}
msendprivmsg_delayed 1000 $n $ml
}
}
-
+
+proc note_topic {showoff whoby topic} {
+ set msg "FYI, $whoby has changed the topic on $showoff"
+ if {[string length $topic] < 160} {
+ append msg " to $topic"
+ } else {
+ append msg " but it is too long to reproduce here !"
+ }
+ set showoff [irctolower $showoff]
+ set tell [chandb_get $showoff topictell]
+ if {[lsearch -exact $tell *] >= 0} {
+ set tryspies [chandb_list]
+ } else {
+ set tryspies $tell
+ }
+ foreach spy $tryspies {
+ set see [chandb_get $spy topicsee]
+ if {[lsearch -exact $see $showoff] >= 0 || \
+ ([lsearch -exact $see *] >= 0 && \
+ [lsearch -exact $tell $spy] >= 0)} {
+ sendprivmsg $spy $msg
+ }
+ }
+}
+
proc recordlastseen_p {p how here} {
prefix_nick
recordlastseen_n $n $how $here
}
proc chanmode_o1 {m g p chan} {
- global nick
+ global nick chan_initialop
prefix_nick
set who [chanmode_arg]
recordlastseen_n $n "being nice to $who" 1
if {"[irctolower $who]" == "[irctolower $nick]"} {
- sendprivmsg $n Thanks.
+ set nlower [irctolower $n]
+ upvar #0 nick_unique($nlower) u
+ if {[chandb_exists $chan]} {
+ sendprivmsg $n Thanks.
+ } elseif {![info exists u]} {
+ sendprivmsg $n {Op me while not on the channel, why don't you ?}
+ } else {
+ set chan_initialop([irctolower $chan]) $u
+ sendprivmsg $n \
+ "Thanks. You can use `channel manager ...' to register this channel."
+ if {![nickdb_exists $n] || ![string length [nickdb_get $n username]]} {
+ sendprivmsg $n \
+ "(But to do that you must register your nick securely first.)"
+ }
+ }
}
}
}
}
+proc leaving {lchan} {
+ foreach luser [array names nick_onchans] {
+ upvar #0 nick_onchans($luser) oc
+ set oc [grep tc {"$tc" != "$lchan"} $oc]
+ }
+ upvar #0 chan_nicks($lchan) nlist
+ unset nlist
+}
+
+proc doleave {lchan} {
+ sendout PART $lchan
+ leaving $lchan
+}
+
+proc dojoin {lchan} {
+ global chan_nicks
+ sendout JOIN $lchan
+ set chan_nicks($lchan) {}
+}
+
+proc check_justme {lchan} {
+ global nick
+ upvar #0 chan_nicks($lchan) nlist
+ if {[llength $nlist] != 1} return
+ if {"[lindex $nlist 0]" != "[irctolower $nick]"} return
+ if {[chandb_exists $lchan]} {
+ set mode [chandb_get $lchan mode]
+ if {"$mode" != "*"} {
+ sendout MODE $lchan $mode
+ }
+ set topic [chandb_get $lchan topicset]
+ if {[string length $topic]} {
+ sendout TOPIC $lchan $topic
+ }
+ } else {
+ doleave $lchan
+ }
+}
+
+proc process_kickpart {chan user} {
+ global nick
+ check_nick $user
+ set luser [irctolower $user]
+ set lchan [irctolower $chan]
+ if {![ischan $chan]} { error "not a channel" }
+ if {"$luser" == "[irctolower $nick]"} {
+ leaving $lchan
+ } else {
+ upvar #0 nick_onchans($luser) oc
+ upvar #0 chan_nicks($lchan) nlist
+ set oc [grep tc {"$tc" != "$lchan"} $oc]
+ set nlist [grep tn {"$tn" != "$luser"} $nlist]
+ nick_case $user
+ if {![llength $oc]} {
+ nick_forget $luser
+ } else {
+ check_justme $lchan
+ }
+ }
+}
+
+proc msg_TOPIC {p c dest topic} {
+ prefix_nick
+ if {![ischan $dest]} return
+ recordlastseen_n $n "changing the topic on $dest" 1
+ note_topic [irctolower $dest] $n $topic
+}
+
+proc msg_KICK {p c chans users comment} {
+ set chans [split $chans ,]
+ set users [split $users ,]
+ if {[llength $chans] > 1} {
+ foreach chan $chans user $users { process_kickpart $chan $user }
+ } else {
+ foreach user $users { process_kickpart [lindex $chans 0] $user }
+ }
+}
+
+proc msg_KILL {p c user why} {
+ nick_forget $user
+}
+
+set nick_counter 0
+set nick_arys {onchans username unique}
+# nick_onchans($luser) -> [list ... $lchan ...]
+# nick_username($luser) -> <securely known local username>
+# nick_unique($luser) -> <counter>
+# nick_case($luser) -> $user (valid even if no longer visible)
+
+# chan_nicks($lchan) -> [list ... $luser ...]
+
+proc lnick_forget {luser} {
+ global nick_arys chan_nicks
+ foreach ary $nick_arys {
+ upvar #0 nick_${ary}($luser) av
+ catch { unset av }
+ }
+ foreach lch [array names chan_nicks] {
+ upvar #0 chan_nicks($lch) nlist
+ set nlist [grep tn {"$tn" != "$luser"} $nlist]
+ check_justme $lch
+ }
+}
+
+proc nick_forget {user} {
+ global nick_arys chan_nicks
+ lnick_forget [irctolower $user]
+ nick_case $user
+}
+
+proc nick_case {user} {
+ global nick_case
+ set nick_case([irctolower $user]) $user
+}
+
proc msg_NICK {p c newnick} {
+ global nick_arys nick_case
prefix_nick
recordlastseen_n $n "changing nicks to $newnick" 0
recordlastseen_n $newnick "changing nicks from $n" 1
+ set luser [irctolower $n]
+ set lusernew [irctolower $newnick]
+ foreach ary $nick_arys {
+ upvar #0 nick_${ary}($luser) old
+ upvar #0 nick_${ary}($lusernew) new
+ if {[info exists new]} { error "nick collision ?! $ary $n $newnick" }
+ if {[info exists old]} { set new $old; unset old }
+ }
+ upvar #0 nick_onchans($lusernew) oc
+ foreach ch $oc {
+ upvar #0 chan_nicks($ch) nlist
+ set nlist [grep tn {"$tn" != "$luser"} $nlist]
+ lappend nlist $lusernew
+ }
+ nick_case $newnick
+}
+
+proc nick_ishere {n} {
+ global nick_counter
+ upvar #0 nick_unique([irctolower $n]) u
+ if {![info exists u]} { set u [incr nick_counter].$n.[clock seconds] }
+ nick_case $n
}
-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_JOIN {p c chan} {
+ prefix_nick
+ recordlastseen_n $n "joining $chan" 1
+ set nl [irctolower $n]
+ set lchan [irctolower $chan]
+ upvar #0 nick_onchans($nl) oc
+ upvar #0 chan_nicks($lchan) nlist
+ lappend oc $lchan
+ lappend nlist $nl
+ nick_ishere $n
+}
+proc msg_PART {p c chan} {
+ prefix_nick
+ recordlastseen_n $n "leaving $chan" 1
+ process_kickpart $chan $n
+}
+proc msg_QUIT {p c why} {
+ prefix_nick
+ recordlastseen_n $n "leaving ($why)" 0
+ nick_forget $n
+}
proc msg_PRIVMSG {p c dest text} {
prefix_nick
recordlastseen_n $n "talking to me" 1
set output $n
}
+ nick_case $n
if {[catch {
regsub {^! *} $text {} text
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 {td val} [list $n $priv_acts $output $pub_acts] {
foreach l [split $val "\n"] {
- sendprivmsg $td $l
+ sendaction_priority 0 $td $l
}
}
- foreach {td val} [list $n $priv_acts $output $pub_acts] {
+ foreach {td val} [list $n $priv_msgs $output $pub_msgs] {
foreach l [split $val "\n"] {
- sendaction $td $l
+ sendprivmsg $td $l
}
}
}
}
+proc msg_INVITE {p c n chan} {
+ after 1000 [list dojoin [irctolower $chan]]
+}
+
+proc grep {var predicate list} {
+ set o {}
+ upvar 1 $var v
+ foreach v $list {
+ if {[uplevel 1 [list expr $predicate]]} { lappend o $v }
+ }
+ return $o
+}
+
+proc msg_353 {p c dest type chan nicklist} {
+ global names_chans nick_onchans
+ set lchan [irctolower $chan]
+ upvar #0 chan_nicks($lchan) nlist
+ lappend names_chans $lchan
+ if {![info exists nlist]} {
+ # We don't think we're on this channel, so ignore it !
+ # Unfortunately, because we don't get a reply to PART,
+ # we have to remember ourselves whether we're on a channel,
+ # and ignore stuff if we're not, to avoid races. Feh.
+ return
+ }
+ set nlist_new {}
+ foreach user [split $nicklist { }] {
+ regsub {^[@+]} $user {} user
+ if {![string length $user]} continue
+ check_nick $user
+ set luser [irctolower $user]
+ upvar #0 nick_onchans($luser) oc
+ lappend oc $lchan
+ lappend nlist_new $luser
+ nick_ishere $user
+ }
+ set nlist $nlist_new
+}
+
+proc msg_366 {p c args} {
+ global names_chans nick_onchans
+ set lchan [irctolower $c]
+ foreach luser [array names nick_onchans] {
+ upvar #0 nick_onchans($luser) oc
+ if {[llength names_chans] > 1} {
+ set oc [grep tc {[lsearch -exact $tc $names_chans] >= 0} $oc]
+ }
+ if {![llength $oc]} { lnick_forget $n }
+ }
+ unset names_chans
+}
+
+proc ta_anymore {} {
+ upvar 1 text text
+ return [expr {!![string length $text]}]
+}
+
proc ta_nomore {} {
upvar 1 text text
if {[string length $text]} { error "too many parameters" }
proc ucmdr {priv pub args} {
return -code return [concat [list $priv $pub] $args]
}
-
-def_ucmd help {
- ta_nomore
- 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} {}
+
+proc loadhelp {} {
+ global help_topics errorInfo
+
+ catch { unset help_topics }
+ set f [open helpinfos r]
+ try_except_finally {
+ set lno 0
+ while {[gets $f l] >= 0} {
+ incr lno
+ if {[regexp {^#.*} $l]} {
+ } elseif {[regexp {^ *$} $l]} {
+ if {[info exists topic]} {
+ set help_topics($topic) [join $lines "\n"]
+ unset topic
+ unset lines
+ }
+ } elseif {[regexp {^\:\:} $l]} {
+ } elseif {[regexp {^\:([-+._0-9a-z]*)$} $l dummy newtopic]} {
+ if {[info exists topic]} {
+ error "help $newtopic while in $topic"
+ }
+ set topic $newtopic
+ set lines {}
+ } elseif {[regexp {^[^:#]} $l]} {
+ set topic
+ regsub -all {([^\\])\!\$?} _$l {\1} l
+ regsub -all {\\(.)} $l {\1} l
+ regsub {^_} $l {} l
+ lappend lines [string trimright $l]
+ } else {
+ error "eh ? $lno: $l"
+ }
+ }
+ if {[info exists topic]} { error "unfinished topic $topic" }
+ } {
+ set errorInfo "in helpinfos line $lno\n$errorInfo"
+ } {
+ close $f
+ }
}
-proc manyset {list args} {
- foreach val $list var $args {
- upvar 1 $var my
- set my $val
+def_ucmd help {
+ upvar 1 n n
+
+ set topic [irctolower [string trim $text]]
+ if {[string length $topic]} {
+ set ontopic " on `$topic'"
+ } else {
+ set ontopic ""
+ }
+ if {[set lag [out_lagged]]} {
+ if {[ischan $dest]} { set replyto $dest } else { set replyto $n }
+ if {$lag > 1} {
+ sendaction_priority 1 $replyto \
+ "is very lagged. Please ask for help$ontopic again later."
+ ucmdr {} {}
+ } else {
+ sendaction_priority 1 $replyto \
+ "is lagged. Your help$ontopic will arrive shortly ..."
+ }
}
+
+ upvar #0 help_topics($topic) info
+ if {![info exists info]} { ucmdr "No help on $topic, sorry." {} }
+ ucmdr $info {}
}
-def_ucmd summon {
- set target [ta_word]
- ta_nomore
+def_ucmd ? {
+ global help_topics
+ ucmdr $help_topics() {}
+}
+
+proc check_username {target} {
if {
[string length $target] > 8 ||
[regexp {[^-0-9a-z]} $target] ||
![regexp {^[a-z]} $target]
} { error "invalid username" }
+}
+
+proc somedb__head {} {
+ uplevel 1 {
+ set idl [irctolower $id]
+ upvar #0 ${nickchan}db($idl) ndbe
+ binary scan $idl H* idh
+ set idfn $fprefix$idh
+ if {![info exists iddbe] && [file exists $idfn]} {
+ set f [open $idfn r]
+ try_except_finally { set newval [read $f] } {} { close $f }
+ if {[llength $newval] % 2} { error "invalid length" }
+ set iddbe $newval
+ }
+ }
+}
+
+proc def_somedb {name arglist body} {
+ foreach {nickchan fprefix} {nick users/n chan chans/c} {
+ proc ${nickchan}db_$name $arglist \
+ "set nickchan $nickchan; set fprefix $fprefix; $body"
+ }
+}
+
+def_somedb list {} {
+ set list {}
+ foreach path [glob -nocomplain -path $fprefix *] {
+ binary scan $path "A[string length $fprefix]A*" afprefix thinghex
+ if {"$afprefix" != "$fprefix"} { error "wrong prefix $path $afprefix" }
+ lappend list [binary format H* $thinghex]
+ }
+ return $list
+}
+
+proc def_somedb_id {name arglist body} {
+ def_somedb $name [concat id $arglist] "somedb__head; $body"
+}
+
+def_somedb_id exists {} {
+ return [info exists iddbe]
+}
+
+def_somedb_id delete {} {
+ catch { unset iddbe }
+ file delete $idfn
+}
+
+set default_settings_nick {timeformat ks}
+set default_settings_chan {
+ autojoin 1
+ mode *
+ userinvite pub
+ topicset {}
+ topicsee {}
+ topictell {}
+}
+
+def_somedb_id set {args} {
+ upvar #0 default_settings_$nickchan def
+ if {![info exists iddbe]} { set iddbe $def }
+ foreach {key value} [concat $iddbe $args] { set a($key) $value }
+ set newval {}
+ foreach {key value} [array get a] { lappend newval $key $value }
+ set f [open $idfn.new w]
+ try_except_finally {
+ puts $f $newval
+ close $f
+ file rename -force $idfn.new $idfn
+ } {
+ } {
+ catch { close $f }
+ }
+ set iddbe $newval
+}
+
+def_somedb_id get {key} {
+ upvar #0 default_settings_$nickchan def
+ if {[info exists iddbe]} {
+ set l [concat $iddbe $def]
+ } else {
+ set l $def
+ }
+ foreach {tkey value} $l {
+ if {"$tkey" == "$key"} { return $value }
+ }
+ error "unset setting $key"
+}
+
+proc opt {key} {
+ global calling_nick
+ if {[info exists calling_nick]} { set n $calling_nick } { set n {} }
+ return [nickdb_get $n $key]
+}
+
+proc check_notonchan {} {
+ upvar 1 dest dest
+ if {[ischan $dest]} { error "that command must be sent privately" }
+}
+
+proc nick_securitycheck {strict} {
+ upvar 1 n n
+ if {![nickdb_exists $n]} { error "you are unknown to me, use `register'." }
+ set wantu [nickdb_get $n username]
+ if {![string length $wantu]} {
+ if {$strict} {
+ error "that feature is only available to secure users, sorry."
+ } else {
+ return
+ }
+ }
+ set luser [irctolower $n]
+ upvar #0 nick_username($luser) nu
+ if {![info exists nu]} {
+ error "nick $n is secure, you must identify yourself first."
+ }
+ if {"$wantu" != "$nu"} {
+ error "you are the wrong user - the nick $n belongs to $wantu, not $nu"
+ }
+}
+
+proc channel_securitycheck {channel n} {
+ # You must also call `nick_securitycheck 1'
+ set mgrs [chandb_get $channel managers]
+ if {[lsearch -exact [irctolower $mgrs] [irctolower $n]] < 0} {
+ error "you are not a manager of $channel"
+ }
+}
+
+proc def_chancmd {name body} {
+ proc channel/$name {} \
+ " upvar 1 target chan; upvar 1 n n; upvar 1 text text; $body"
+}
+
+proc ta_listop {findnow procvalue} {
+ # findnow and procvalue are code fragments which will be executed
+ # in the caller's level. findnow should set ta_listop_ev to
+ # the current list, and procvalue should treat ta_listop_ev as
+ # a proposed value in the list and check and possibly modify
+ # (canonicalise?) it. After ta_listop, ta_listop_ev will
+ # be the new value of the list.
+ upvar 1 ta_listop_ev exchg
+ upvar 1 text text
+ set opcode [ta_word]
+ switch -exact _$opcode {
+ _= { }
+ _+ - _- {
+ uplevel 1 $findnow
+ foreach item $exchg { set array($item) 1 }
+ }
+ default {
+ error "list change opcode must be one of + - ="
+ }
+ }
+ foreach exchg [split $text " "] {
+ if {![string length $exchg]} continue
+ uplevel 1 $procvalue
+ if {"$opcode" != "-"} {
+ set array($exchg) 1
+ } else {
+ catch { unset array($exchg) }
+ }
+ }
+ set exchg [lsort [array names array]]
+}
+
+def_chancmd manager {
+ ta_listop {
+ if {[chandb_exists $chan]} {
+ set ta_listop_ev [chandb_get $chan managers]
+ } else {
+ set ta_listop_ev [list [irctolower $n]]
+ }
+ } {
+ check_nick $ta_listop_ev
+ set ta_listop_ev [irctolower $ta_listop_ev]
+ }
+ if {[llength $ta_listop_ev]} {
+ chandb_set $chan managers $ta_listop_ev
+ ucmdr "Managers of $chan: $ta_listop_ev" {}
+ } else {
+ chandb_delete $chan
+ ucmdr {} {} "forgets about managing $chan." {}
+ }
+}
+
+def_chancmd autojoin {
+ set yesno [ta_word]
+ switch -exact [string tolower $yesno] {
+ no { set nv 0 }
+ yes { set nv 1 }
+ default { error "channel autojoin must be `yes' or `no' }
+ }
+ chandb_set $chan autojoin $nv
+ ucmdr [expr {$nv ? "I will join $chan when I'm restarted " : \
+ "I won't join $chan when I'm restarted "}] {}
+}
+
+def_chancmd userinvite {
+ set nv [string tolower [ta_word]]
+ switch -exact $nv {
+ pub { set txt "!invite will work for $chan, but it won't work by /msg" }
+ here { set txt "!invite and /msg invite will work, but only for users who are already on $chan." }
+ all { set txt "Any user will be able to invite themselves or anyone else to $chan." }
+ none { set txt "I will not invite anyone to $chan." }
+ default {
+ error "channel userinvite must be `pub', `here', `all' or `none'
+ }
+ }
+ chandb_set $chan userinvite $nv
+ ucmdr $txt {}
+}
+
+def_chancmd topic {
+ set what [ta_word]
+ switch -exact $what {
+ leave {
+ ta_nomore
+ chandb_set $chan topicset {}
+ ucmdr "I won't ever change the topic of $chan." {}
+ }
+ set {
+ set t [string trim $text]
+ if {![string length $t]} {
+ error "you must specific the topic to set"
+ }
+ chandb_set $chan topicset $t
+ ucmdr "Whenever I'm alone on $chan, I'll set the topic to $t." {}
+ }
+ see - tell {
+ ta_listop {
+ set ta_listop_ev [chandb_get $chan topic$what]
+ } {
+ if {"$ta_listop_ev" != "*"} {
+ if {![ischan $ta_listop_ev]} {
+ error "bad channel \`$ta_listop_ev' in topic $what"
+ }
+ set ta_listop_ev [irctolower $ta_listop_ev]
+ }
+ }
+ chandb_set $chan topic$what $ta_listop_ev
+ ucmdr "Topic $what list for $chan: $ta_listop_ev" {}
+ }
+ default {
+ error "unknown channel topic subcommand - see help channel"
+ }
+ }
+}
+
+def_chancmd mode {
+ set mode [ta_word]
+ if {"$mode" != "*" && ![regexp {^(([-+][imnpst]+)+)$} $mode mode]} {
+ error {channel mode must be * or match ([-+][imnpst]+)+}
+ }
+ chandb_set $chan mode $mode
+ if {"$mode" == "*"} {
+ ucmdr "I won't ever change the mode of $chan." {}
+ } else {
+ ucmdr "Whenever I'm alone on $chan, I'll set the mode to $mode." {}
+ }
+}
+
+def_chancmd show {
+ if {[chandb_exists $chan]} {
+ set l "Settings for $chan: autojoin "
+ append l [lindex {no yes} [chandb_get $chan autojoin]]
+ append l ", mode " [chandb_get $chan mode]
+ append l ", userinvite " [chandb_get $chan userinvite] "."
+ append l "\nManagers: "
+ append l [join [chandb_get $chan managers] " "]
+ foreach {ts sep} {see "\n" tell " "} {
+ set t [chandb_get $chan topic$ts]
+ append l $sep
+ if {[llength $t]} {
+ append l "Topic $ts list: $t."
+ } else {
+ append l "Topic $ts list is empty."
+ }
+ }
+ append l "\n"
+ set t [chandb_get $chan topicset]
+ if {[string length $t]} {
+ append l "Topic to set: $t"
+ } else {
+ append l "I will not change the topic."
+ }
+ ucmdr {} $l
+ } else {
+ ucmdr {} "The channel $chan is not managed."
+ }
+}
+
+proc channelmgr_monoop {} {
+ upvar 1 dest dest
+ upvar 1 text text
+ upvar 1 n n
+ upvar 1 p p
+ upvar 1 target target
+ global chan_nicks
+
+ if {[ischan $dest]} { set target $dest }
+ if {[ta_anymore]} { set target [ta_word] }
+ ta_nomore
+ if {![info exists target]} {
+ error "you must specify, or invoke me on, the relevant channel"
+ }
+ if {![info exists chan_nicks([irctolower $target])]} {
+ error "I am not on $target."
+ }
+ if {![ischan $target]} { error "not a valid channel" }
+ if {![chandb_exists $target]} { error "$target is not a managed channel." }
+ prefix_nick
+ nick_securitycheck 1
+ channel_securitycheck $target $n
+}
+
+def_ucmd op {
+ channelmgr_monoop
+ sendout MODE $target +o $n
+}
+
+def_ucmd leave {
+ channelmgr_monoop
+ doleave $target
+}
+
+def_ucmd invite {
+ global chan_nicks
+
+ if {[ischan $dest]} {
+ set target $dest
+ set onchan 1
+ } else {
+ set target [ta_word]
+ set onchan 0
+ }
+ set ltarget [irctolower $target]
+ if {![ischan $target]} { error "$target is not a channel." }
+ if {![info exists chan_nicks($ltarget)]} { error "I am not on $target." }
+ set ui [chandb_get $ltarget userinvite]
+ if {"$ui" == "pub" && !$onchan} {
+ error "Invitations to $target must be made with !invite."
+ }
+ if {"$ui" != "all"} {
+ prefix_nick
+ if {[lsearch -exact $chan_nicks($ltarget) [irctolower $n]] < 0} {
+ error "Invitations to $target may only be made by a user on the channel."
+ }
+ }
+ if {"$ui" == "none"} {
+ error "Sorry, I've not been authorised to invite people to $target."
+ }
+ if {![ta_anymore]} {
+ error "You have to say who to invite."
+ }
+ set invitees {}
+ while {[ta_anymore]} {
+ set invitee [ta_word]
+ check_nick $invitee
+ lappend invitees $invitee
+ }
+ foreach invitee $invitees {
+ sendout INVITE $invitee $ltarget
+ }
+ set who [lindex $invitees 0]
+ switch -exact llength $invitees {
+ 0 { error "zero invitees" }
+ 1 { }
+ 2 { append who " and [lindex $invitees 1]" }
+ * {
+ set who [join [lreplace $invitees end end] ", "]
+ append who " and [lindex $invitees [llength $invitees]]"
+ }
+ }
+ ucmdr {} "invites $who to $target."
+}
+
+def_ucmd channel {
+ if {[ischan $dest]} { set target $dest }
+ if {![ta_anymore]} {
+ set subcmd show
+ } else {
+ set subcmd [ta_word]
+ }
+ if {[ischan $subcmd]} {
+ set target $subcmd
+ if {![ta_anymore]} {
+ set subcmd show
+ } else {
+ set subcmd [ta_word]
+ }
+ }
+ if {![info exists target]} { error "privately, you must specify a channel" }
+ set procname channel/$subcmd
+ if {"$subcmd" != "show"} {
+ if {[catch { info body $procname }]} { error "unknown channel setting $subcmd" }
+ prefix_nick
+ nick_securitycheck 1
+ if {[chandb_exists $target]} {
+ channel_securitycheck $target $n
+ } else {
+ upvar #0 chan_initialop([irctolower $target]) io
+ upvar #0 nick_unique([irctolower $n]) u
+ if {![info exists io]} { error "$target is not a managed channel" }
+ if {"$io" != "$u"} { error "you are not the interim manager of $target" }
+ if {"$subcmd" != "manager"} { error "use `channel manager' first" }
+ }
+ }
+ channel/$subcmd
+}
+
+def_ucmd who {
+ if {[ta_anymore]} {
+ set target [ta_word]; ta_nomore
+ set myself 1
+ } else {
+ prefix_nick
+ set target $n
+ set myself [expr {"$target" != "$n"}]
+ }
+ set ltarget [irctolower $target]
+ upvar #0 nick_case($ltarget) ctarget
+ set nshow $target
+ if {[info exists ctarget]} {
+ upvar #0 nick_onchans($ltarget) oc
+ upvar #0 nick_username($ltarget) nu
+ if {[info exists oc]} { set nshow $ctarget }
+ }
+ if {![nickdb_exists $ltarget]} {
+ set ol "$nshow is not a registered nick."
+ } elseif {[string length [set username [nickdb_get $target username]]]} {
+ set ol "The nick $nshow belongs to the user $username."
+ } else {
+ set ol "The nick $nshow is registered (but not to a username)."
+ }
+ if {![info exists ctarget] || ![info exists oc]} {
+ if {$myself} {
+ append ol "\nI can't see $nshow on anywhere."
+ } else {
+ append ol "\nYou aren't on any channels with me."
+ }
+ } elseif {![info exists nu]} {
+ append ol "\n$nshow has not identified themselves."
+ } elseif {![info exists username]} {
+ append ol "\n$nshow has identified themselves as the user $nu."
+ } elseif {"$nu" != "$username"} {
+ append ol "\nHowever, $nshow is being used by the user $nu."
+ } else {
+ append ol "\n$nshow has identified themselves to me."
+ }
+ ucmdr {} $ol
+}
+
+def_ucmd register {
+ prefix_nick
+ check_notonchan
+ set old [nickdb_exists $n]
+ if {$old} { nick_securitycheck 0 }
+ set luser [irctolower $n]
+ switch -exact [string tolower [string trim $text]] {
+ {} {
+ upvar #0 nick_username($luser) nu
+ if {![info exists nu]} {
+ ucmdr {} \
+ "You must identify yourself before using `register'. See `help identify', or use `register insecure'."
+ }
+ nickdb_set $n username $nu
+ ucmdr {} {} "makes a note of your username." {}
+ }
+ delete {
+ nickdb_delete $n
+ ucmdr {} {} "forgets your nickname." {}
+ }
+ insecure {
+ nickdb_set $n username {}
+ if {$old} {
+ ucmdr {} "Security is now disabled for your nickname !"
+ } else {
+ 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."
+ }
+ }
+ }
+}
+
+proc timeformat_desc {tf} {
+ switch -exact $tf {
+ ks { return "Times will be displayed in seconds or kiloseconds." }
+ hms { return "Times will be displayed in hours, minutes, etc." }
+ default { error "invalid timeformat: $v" }
+ }
+}
+
+proc def_setting {opt show_body set_body} {
+ proc set_show/$opt {} "
+ upvar 1 n n
+ set opt $opt
+ $show_body"
+ if {![string length $set_body]} return
+ proc set_set/$opt {} "
+ upvar 1 n n
+ upvar 1 text text
+ set opt $opt
+ $set_body"
+}
+
+def_setting timeformat {
+ set tf [nickdb_get $n timeformat]
+ return "$tf: [timeformat_desc $tf]"
+} {
+ set tf [string tolower [ta_word]]
+ ta_nomore
+ set desc [timeformat_desc $tf]
+ nickdb_set $n timeformat $tf
+ ucmdr {} $desc
+}
+
+def_setting security {
+ set s [nickdb_get $n username]
+ if {[string length $s]} {
+ return "Your nick, $n, is controlled by the user $s."
+ } else {
+ return "Your nick, $n, is not secure."
+ }
+} {}
+
+def_ucmd set {
+ prefix_nick
+ check_notonchan
+ if {![nickdb_exists $n]} {
+ ucmdr {} "You are unknown to me and so have no settings. (Use `register'.)"
+ }
+ if {![ta_anymore]} {
+ set ol {}
+ foreach proc [lsort [info procs]] {
+ if {![regexp {^set_show/(.*)$} $proc dummy opt]} continue
+ lappend ol [format "%-10s %s" $opt [set_show/$opt]]
+ }
+ ucmdr {} [join $ol "\n"]
+ } else {
+ set opt [ta_word]
+ if {[catch { info body set_show/$opt }]} {
+ error "no setting $opt"
+ }
+ if {![ta_anymore]} {
+ ucmdr {} "$opt [set_show/$opt]"
+ } else {
+ nick_securitycheck 0
+ if {[catch { info body set_set/$opt }]} {
+ error "setting $opt cannot be set with `set'"
+ }
+ set_set/$opt
+ }
+ }
+}
+
+def_ucmd identpass {
+ set username [ta_word]
+ set passmd5 [md5sum "[ta_word]\n"]
+ ta_nomore
+ prefix_nick
+ check_notonchan
+ set luser [irctolower $n]
+ upvar #0 nick_onchans($luser) onchans
+ if {![info exists onchans] || ![llength $onchans]} {
+ ucmdr "You must be on a channel with me to identify yourself." {}
+ }
+ check_username $username
+ exec userv --timeout 3 $username << "$passmd5\n" > /dev/null \
+ irc-identpass $n
+ upvar #0 nick_username($luser) rec_username
+ set rec_username $username
+ ucmdr "Pleased to see you, $username." {}
+}
+
+def_ucmd summon {
+ set target [ta_word]
+ ta_nomore
+ check_username $target
prefix_nick
upvar #0 lastsummon($target) ls
}
}
+proc md5sum {value} { exec md5sum << $value }
+
def_ucmd seen {
global lastseen nick
prefix_nick
ucmdr {} $rstr
}
-if {![info exists sock]} {
- set sock [socket $host $port]
+proc ensure_globalsecret {} {
+ global globalsecret
+
+ if {[info exists globalsecret]} return
+ 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 ensure_outqueue {} {
+ out__vars
+ if {[info exists out_queue]} return
+ set out_creditms 0
+ set out_creditat [clock seconds]
+ set out_queue {}
+ set out_lag_reported 0
+ set out_lag_reportwhen $out_creditat
+}
+
+proc fail {msg} {
+ logerror "failing: $msg"
+ exit 1
+}
+
+proc ensure_connecting {} {
+ global sock ownfullname host port nick socketargs
+ global musthaveping_ms musthaveping_after
+
+ if {[info exists sock]} return
+ set sock [eval socket $socketargs [list $host $port]]
fconfigure $sock -buffering line
- #fconfigure $sock -translation binary
fconfigure $sock -translation crlf
- sendout USER guest 0 * "chiark testing bot"
+ sendout USER blight 0 * $ownfullname
sendout NICK $nick
fileevent $sock readable onread
+
+ set musthaveping_after [after $musthaveping_ms \
+ {fail "no ping within timeout"}]
+}
+
+proc connected {} {
+ global musthaveping_after
+
+ after cancel $musthaveping_after
+ unset musthaveping_after
+
+ foreach chan [chandb_list] {
+ if {[chandb_get $chan autojoin]} { dojoin $chan }
+ }
}
-#if {![regexp {tclsh} $argv0]} {
-# vwait terminate
-#}
+ensure_globalsecret
+ensure_outqueue
+loadhelp
+ensure_connecting
~mdw / ircbot / blobdiff