+ }
+ 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: $ta_listop_ev" {}
+ }
+ default {
+ usererror "Unknown channel topic subcommand - see help channel."
+ }
+ }
+}
+
+def_chancmd mode {
+ set mode [ta_word]
+ if {"$mode" != "*" && ![regexp {^(([-+][imnpst]+)+)$} $mode mode]} {
+ error {channel mode must be * or match ([-+][imnpst]+)+}
+ }
+ chandb_set $chan mode $mode
+ if {![string compare $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
+
+ prefix_nick
+
+ if {[ischan $dest]} { set target $dest }
+ if {[ta_anymore]} { set target [ta_word] }
+ ta_nomore
+ if {![info exists target]} {
+ usererror "You must specify, or invoke me on, the relevant channel."
+ }
+ if {![info exists chan_nicks([irctolower $target])]} {
+ usererror "I am not on $target."
+ }
+ if {![ischan $target]} { error "not a valid channel" }
+
+ if {![chandb_exists $target]} {
+ usererror "$target is not a managed channel."
+ }
+ channel_securitycheck $target
+}
+
+def_ucmd op {
+ channelmgr_monoop
+ sendout MODE $target +o $n
+ ucmdr {} {}
+}
+
+def_ucmd leave {
+ channelmgr_monoop
+ doleave $target
+ ucmdr {} {}
+}
+
+def_ucmd invite {
+ global chan_nicks errorCode errorInfo
+ prefix_nick
+
+ 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)]} {
+ usererror "I am not on $target."
+ }
+ set ui [chandb_get $ltarget userinvite]
+ if {[catch {
+ if {![string compare $ui "pub"] && !$onchan} {
+ usererror "Invitations to $target must be made there with !invite."
+ }
+ if {"$ui" != "all"} {
+ if {[lsearch -exact $chan_nicks($ltarget) [irctolower $n]] < 0} {
+ usererror "Invitations to $target may only be made\
+ by a user on the channel."
+ }
+ }
+ if {[!string compare $ui "none"]} {
+ usererror "Sorry, I've not been authorised\
+ to invite people to $target."
+ }
+ } emsg]} {
+ if {![string compare $errorCode "BLIGHT USER"] &&
+ [channel_ismanager $target $n]} {
+ if {[catch {
+ nick_securitycheck 1
+ } emsg2]} {
+ if {![string compare $errorCode "BLIGHT USER"]} {
+ usererror "$emsg2 Therefore you can't use your\
+ channel manager privilege. $emsg"
+ } else {
+ error $error $errorInfo $errorCode
+ }
+ }
+ } else {
+ error $emsg $errorInfo $errorCode
+ }
+ }
+ if {![ta_anymore]} {
+ usererror "You have to say who to invite."
+ }
+ set invitees {}
+ while {[ta_anymore]} {
+ set invitee [ta_nick]
+ 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 }]} {
+ usererror "unknown channel setting $subcmd."
+ }
+ prefix_nick
+ if {[chandb_exists $target]} {
+ channel_securitycheck $target
+ } else {
+ nick_securitycheck 1
+ upvar #0 chan_initialop([irctolower $target]) io
+ upvar #0 nick_unique([irctolower $n]) u
+ if {![info exists io]} {
+ usererror "$target is not a managed channel."
+ }
+ if {"$io" != "$u"} {
+ usererror "You are not the interim manager of $target."
+ }
+ if {"$subcmd" != "manager"} {
+ usererror "Please use `channel manager' first."
+ }
+ }
+ }
+ channel/$subcmd
+}
+
+proc nickdb_get_username {n} {
+ if {![nickdb_exists $n]} { return "" }
+ return [nickdb_get $n username]
+}
+
+proc nickdb_get_sec_effective {n} {
+ set l [nickdb_get $n tellsec]
+ set u [nickdb_get_username $n]
+ if {![string compare [lindex $l 0] "secure"] &&
+ ![string length $u]} { set l insecure }
+ return $l
+}
+
+proc tell_peernicks {text} {
+ global errorInfo errorCode
+ set text [irctolower [string trim $text]]
+ set senders [split $text " "]
+ foreach sender $senders {
+ if {[catch { check_nick $sender } emsg]} {
+ error "invalid nick `$sender': $emsg" $errorInfo $errorCode
+ }
+ }
+ return $senders
+}
+
+proc msgsdb_set_maydelete {n key l otherkey} {
+ msgsdb_set $n $key $l
+ if {[llength $l]} return
+ if {[llength [msgsdb_get $n $otherkey]]} return
+ msgsdb_delete $n
+}
+
+proc tell_delete_msgs {lsenders lrecip} {
+ set new_inbound {}
+ set ndel 0
+ foreach {s t m} [msgsdb_get $lrecip inbound] {
+ if {[llength $lsenders]} {
+ if {[lsearch -exact $lsenders [irctolower $s]] == -1} {
+ lappend new_inbound $s $t $m
+ continue
+ }
+ }
+ set rsenders($s) 1
+ incr ndel
+ }
+ msgsdb_set_maydelete $lrecip inbound $new_inbound outbound
+ if {![llength $new_inbound]} {
+ upvar #0 nick_telling($lrecip) telling
+ catch { unset telling }
+ }
+ foreach s [array names rsenders] {
+ set new_outbound {}
+ foreach {r t c} [msgsdb_get $s outbound] {
+ if {![ircnick_compare $r $lrecip]} continue
+ lappend new_outbound $r $t $c
+ }
+ msgsdb_set_maydelete $s outbound $new_outbound inbound
+ }
+ return $ndel
+}
+
+def_ucmd untell {
+ prefix_nick
+ check_notonchan
+ if {[nickdb_exists $n]} { nick_securitycheck 0 }
+ set recipients [tell_peernicks $text]
+ if {![llength $recipients]} {
+ usererror "You must say which recipients' messages from you to forget."
+ }
+ set ndel 0
+ foreach recip $recipients {
+ incr ndel [tell_delete_msgs [irctolower $n] $recip]
+ }
+ ucmdr "Removed $ndel as yet undelivered message(s)." {}
+}
+
+def_ucmd_alias delmsgs delmsg
+def_ucmd delmsg {
+ global errorInfo errorCode
+ prefix_nick
+ set nl [irctolower $n]
+ check_notonchan
+ manyset [nickdb_get_sec_effective $n] sec secwhen
+ switch -exact $sec {
+ insecure { }
+ reject - mailto {
+ usererror \
+ "There are no messages to delete\
+ because your message disposition prevents them from being left."
+ }
+ secure {
+ nick_securitycheck 1
+ }
+ default {
+ error "delmsg sec $sec"
+ }
+ }
+ if {![llength [msgsdb_get $n inbound]]} {
+ ucmdr "No incoming messages to delete." {}
+ }
+ tell_getcstate
+ if {![info exists u]} {
+ usererror \
+ "I can't delete your messages unless I can see you on a channel with me.\
+ Otherwise I might delete a message I hadn't told you about yet."
+ }
+ if {"$stt" != "passed"} {
+ set telling [list $u undelivered 0]
+ usererror \
+ "There are message(s) you may not yet have seen;\
+ I'll deliver them to you now.\
+ If you actually want to delete them, just tell me `delmsg' again."
+ }
+ set senders [tell_peernicks $text]
+ set ndel [tell_delete_msgs [irctolower $senders] [irctolower $n]]
+ if {!$ndel} {
+ if {[llength $senders]} {
+ ucmdr "No relevant incoming messages to delete." {}
+ }
+ }
+ switch -exact [llength $senders] {
+ 0 { ucmdr {} {} "deletes your $ndel message(s)." }
+ 1 { ucmdr {} {} "deletes your $ndel message(s) from $senders." }
+ default {
+ ucmdr {} {} "deletes your $ndel message(s) from\
+ [lreplace $senders end end] and/or [lindex $senders end]."
+ }
+ }
+}
+
+def_ucmd tellme {
+ prefix_nick
+ ta_nomore
+ check_notonchan
+ manyset [nickdb_get $n tellsec] sec
+ switch -exact $sec {
+ reject { ucmdr "But, you asked me to reject messages for you !" {} }
+ mailto { ucmdr "But, you asked me to mail your messages to you !" {} }
+ }
+ switch -exact [tell_event [irctolower $n] tellme] {
+ ERROR - INVALID { ucmdr {} {is ill. Help!} }
+ nomsgs { ucmdr {You have no messages.} {} }
+ default { }
+ }
+}
+
+def_ucmd tell {
+ global nick_case ownmailaddr ownfullname
+
+ prefix_nick
+ set target [ta_nick]
+ if {![string length $text]} { error "tell them what?" }
+ if {[string length $text] > 400} { error "message too long" }
+
+ set ltarget [irctolower $target]
+ set ctarget $target
+ if {[info exists nick_case($ltarget)]} { set ctarget $nick_case($ltarget) }
+
+ manyset [nickdb_get_sec_effective $target] sec mailtoint mailwhy
+ manyset [nickdb_get $target tellrel] rel relint relwithin
+ switch -exact $sec {
+ insecure - secure {
+ set now [clock seconds]
+ set inbound [msgsdb_get $ltarget inbound]
+ lappend inbound $n $now $text
+ msgsdb_set $ltarget inbound $inbound
+
+ set outbound [msgsdb_get $n outbound]
+ set noutbound {}
+ set found 0
+ foreach {recip time count} $outbound {
+ if {![ircnick_compare $recip $ltarget]} {
+ incr count
+ set recip $ctarget
+ set found 1
+ }
+ lappend noutbound $recip $time $count
+ }
+ if {!$found} {
+ lappend noutbound $ctarget $now 1
+ }
+ msgsdb_set $n outbound $noutbound
+ set msg "OK, I'll tell $ctarget"
+ if {$found} { append msg " that too" }
+ append msg ", "
+ if {"$sec" != "secure"} {
+ switch -exact $rel {
+ unreliable { append msg "neither reliably nor securely" }
+ remind { append msg "pretty reliably, but not securely" }
+ pester { append msg "reliably but not securely" }
+ }
+ } else {
+ switch -exact $rel {
+ unreliable { append msg "securely but not reliably" }
+ remind { append msg "securely and pretty reliably" }
+ pester { append msg "reliably and securely" }
+ }
+ }
+ append msg .
+ tell_event $ltarget msgsarrive
+ ucmdr $msg {}
+ }
+ mailto {
+ set fmtmsg [exec fmt << " $text"]
+ exec /usr/sbin/sendmail -odb -oi -t -oee -f $mailwhy \
+ > /dev/null << \
+ "From: $ownmailaddr ($ownfullname)
+To: $mailtoint
+Subject: IRC tell from $n
+
+$n asked me[expr {[ischan $dest] ? " on $dest" : ""}] to tell you:
+[exec fmt << " $text"]
+
+(This message was for your nick $ctarget; your account $mailwhy
+ arranged for it to be forwarded to $mailtoint.)
+"
+ ucmdr \
+ "I've mailed $ctarget, which is what they prefer." \
+ {}
+ }
+ reject {
+ usererror "Sorry, $ctarget does not want me to take messages."
+ }
+ default {
+ error "bad tellsec $sec"
+ }
+ }
+}
+
+def_ucmd who {
+ if {[ta_anymore]} {
+ set target [ta_nick]; 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 {}