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usys.tcl
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# usys.tcl (c)2006 Alex Sajzew
# Written for shroudBNC
set ::max:handLength 9
internalbind server sbnc:ban:join JOIN
internalbind modec sbnc:ban:op +o
internalbind modec sbnc:ban:op +h
internalbind modec sbnc:ban:unban -b
internaltimer 60 1 sbnc:checkBans
internalbind usrdelete sbnc:userfiledelete
proc adduser {handle {hostmask ""}} {
set handle [string range $handle 0 [expr ${::max:handLength} - 1]]
if {[validuser $handle]} { return 0 }
namespace eval [getns] {
set handle [uplevel 1 {set handle}]
if {![info exists userInfo(:[string tolower $handle])]} {
set userInfo(:[string tolower $handle]) $handle
}
if {![info exists userList]} {
set userList ""
}
}
set handle [string tolower $handle]
upvar [getns]::userInfo ui [getns]::userList ulist
set ui(glb:$handle) "-"
set ui(chf:$handle) ""
lappend ulist $ui(:$handle)
if {$hostmask != ""} {
set ui(hosts:$handle) "{$hostmask}"
}
return 1
}
proc chattr {handle {changes ""} {channel ""}} {
set handle [string tolower $handle]
namespace eval [getns] {
set handle [uplevel 1 {set handle}]
if {![info exists userInfo(:$handle)]} {
return "*"
}
}
upvar [getns]::userInfo ui
if {$changes == "" && $channel == ""} {
return $ui(glb:$handle)
}
if {$changes != "" && $channel == ""} {
if {[string index $changes 0] == "#"} {
if {[info exists ui(chf:$handle)]} {
foreach chan $ui(chf:$handle) {
if {[string equal -nocase $changes [lindex [split $chan] 0]]} {
return "$ui(glb:$handle)|[lindex [split $chan] 2]"
}
}
}
return "$ui(glb:$handle)|-"
} else {
set glb $ui(glb:$handle)
if {$glb == "-"} {
set glb ""
}
set action "add"
foreach char [split $changes ""] {
if {$char == " " || $char == ""} { continue }
if {$char == "|"} {
if {$glb == ""} {
set glb "-"
}
set ui(glb:$handle) [join [lsort [split $glb ""]] ""]
return [chattr $handle]
}
if {$char == "-"} {
set action "remove"
} elseif {$char == "+"} {
set action "add"
} else {
if {![string is ascii $char] || ![string is alpha $char]} { continue }
switch -- $action {
remove {
set glb [string map [list $char ""] $glb]
}
add {
if {[string first $char $glb] == -1} {
append glb $char
}
}
}
}
}
if {$glb == ""} {
set glb "-"
}
set ui(glb:$handle) [join [lsort [split $glb ""]] ""]
return [chattr $handle]
}
} else {
if {![validchan $channel]} { return -code error "no such channel" }
set glbc [lindex [split $changes |] 0]
set chfc [lindex [split $changes |] 1]
set glb $ui(glb:$handle)
set chf [lindex [split [chattr $handle $channel] |] 1]
if {$glb == "-"} {
set glb ""
}
if {$chf == "-"} {
set chf ""
}
if {$glbc != "" && $glbc != "-"} {
set glb [chattr $handle $glbc]
}
set action add
foreach char [split $chfc ""] {
if {$char == " " || $char == ""} { continue }
if {$char == "-"} {
set action "remove"
} elseif {$char == "+"} {
set action "add"
} else {
if {![string is ascii $char] || ![string is alpha $char]} { continue }
switch -- $action {
remove {
set chf [string map [list $char ""] $chf]
}
add {
if {[string first $char $chf] == -1} {
append chf $char
}
}
}
}
}
set chf [join [lsort [split $chf ""]] ""]
set i 0
if {[info exists ui(chf:$handle)]} {
foreach chan $ui(chf:$handle) {
if {[string equal -nocase $channel [lindex [split $chan] 0]]} {
set ui(chf:$handle) [lreplace $ui(chf:$handle) $i $i]
continue
}
incr i
}
}
if {$chf != "" && $chf != " "} {
lappend ui(chf:$handle) "$channel [laston $handle $channel] $chf"
}
return [chattr $handle $channel]
}
}
proc deluser {handle} {
set handle [string tolower $handle]
namespace eval [getns] {
set handle [uplevel 1 {set handle}]
if {![info exists userInfo(:$handle)]} {
return 0
}
if {![info exists userList]} {
set userList ""
}
}
upvar [getns]::userInfo ui [getns]::userList ulist
foreach var [array names ui "*$handle"] {
if {[string equal -nocase [lrange [split $var :] 1 end] [split $handle :]]} {
unset ui($var)
}
}
set p [lsearch -exact [string tolower $ulist] [string tolower $handle]]
set ulist [lreplace $ulist $p $p]
return 1
}
proc countusers { } {
namespace eval [getns] {
if {![info exists userList]} {
return 0
} else {
return [llength $userList]
}
}
}
proc laston {handle {chan ""}} {
return 0
}
proc validuser {handle} {
if {[chattr $handle] == "*"} {
return 0
} else {
return 1
}
}
proc matchattr {handle flags {channel ""}} {
set gr 0
set cr 0
set gfn [lindex [split $flags |&] 0]
set cfn [lindex [split $flags |&] 1]
if {$gfn == "-"} {
set gr 1
}
if {$cfn == "-"} {
set cr 1
}
foreach f [split $gfn ""] {
if {[string first $f [chattr $handle]] != -1} {
set gr 1
}
}
if {$cfn != "" && $channel != ""} {
foreach f [split $cfn] {
if {[string first $f [lindex [split [chattr $handle $channel] |] 1]] != -1} {
set cr 1
}
}
}
if {[string first "&" $flags] != -1} {
if {$gr && $cr} {
return 1
} else {
return 0
}
} elseif {[string first "|" $flags] != -1} {
if {$gfn == "-" || $cfn == "-"} {
if {$gr && $cr} {
return 1
} else {
return 0
}
} else {
if {$gr || $cr} {
return 1
} else {
return 0
}
}
} else {
return $gr
}
}
proc setuser {args} {
if {[llength $args] < 3} {
return -code error "wrong # args: should be \"setuser handle type ?setting....?\""
}
set hand [string tolower [lindex $args 0]]
set type [lindex $args 1]
set setting [string map {\{ \\\{ \} \\\}} [join [lrange $args 2 end]]]
namespace eval [getns] {
set hand [uplevel 1 {set hand}]
if {![info exists userInfo(:$hand)]} {
return -code error "No such user."
}
}
upvar [getns]::userInfo ui
switch -exact -- [string tolower $type] {
hosts {
if {$setting == ""} {
if {[info exists ui(hosts:$hand)]} {
unset ui(hosts:$hand)
}
} else {
set setting [lindex [split $setting] 0]
set i 0
set w 0
if {[info exists ui(hosts:$hand)]} {
foreach host $ui(hosts:$hand) {
if {[string match -nocase $setting $host]} {
set ui(hosts:$hand) [lreplace $ui(hosts:$hand) $i $i]
continue
}
if {[string match -nocase $host $setting]} {
set w 1
}
incr i
}
}
if {!$w} {
lappend ui(hosts:$hand) $setting
}
}
}
laston {
if {[llength $setting] == 1} {
set ui(laston:$hand) $setting
} else {
set v 0
set i 0
if {![string is integer [lindex [split $setting] 0]]} {
set t 0
} else {
set t [lindex [split $setting ] 0]
}
foreach chan $ui(chf:$hand) {
if {[string equal -nocase [lindex [split $chan] 0] [lindex [split $setting] 1]]} {
set ui(chf:$hand) [lreplace $ui(chf:$hand) $i $i "[lindex [split $chan] 0] $t [lindex [split $chan] 2]"]
set v 1
}
incr i
}
if {!$v} {
set ui(laston:$hand) "$t [lindex [split $setting] 1]"
}
}
}
info {
set ui(info:$hand) "{$setting}"
}
comment {
set ui(comment:$hand) "{$setting}"
}
pass {
set ui(pass:$hand) [md5 $setting]
return
}
xtra {
set name [lindex [split $setting] 0]
set arg [lrange [split $setting] 1 end]
if {[info exists ui(xtra:$hand)]} {
set i 0
foreach xtra $ui(xtra:$hand) {
if {[string equal -nocase $name [lindex [split $xtra] 0]]} {
set ui(xtra:$hand) [lreplace $ui(xtra:$hand) $i $i]
continue
}
incr i
}
if {$arg != ""} {
lappend ui(xtra:$hand) "$name $arg"
}
} else {
set ui(xtra:$hand) "{$name $arg}"
}
}
default {
return -code error "No such info type: $type"
}
}
}
proc getuser {args} {
if {[llength $args] < 2} {
return -code error "wrong # args: should be \"getuser handle type\""
}
set hand [string tolower [lindex $args 0]]
set type [lindex $args 1]
set opt [lindex $args 2]
namespace eval [getns] {
set hand [uplevel 1 {set hand}]
if {![info exists userInfo(:$hand)]} {
return "No such user."
}
}
upvar [getns]::userInfo ui
switch -exact -- [string tolower $type] {
hosts {
if {[info exists ui(hosts:$hand)]} {
return $ui(hosts:$hand)
} else {
return
}
}
laston {
if {![info exists $ui(laston:$hand)]} { return }
if {$opt == ""} {
return $ui(laston:$hand)
} else {
foreach chan ui(chf:$hand) {
if {[string equal -nocase [lindex [split $chan] 0] $opt]} {
return [lindex [split $chan] 1]
}
}
return 0
}
}
info {
if {[info exists ui(info:$hand)]} {
return [join $ui(info:$hand)]
} else {
return
}
}
comment {
if {[info exists ui(comment:$hand)]} {
return [join $ui(comment:$hand)]
} else {
return
}
}
pass {
if {[info exists ui(pass:$hand)]} {
return [join $ui(pass:$hand)]
} else {
return
}
}
xtra {
if {[info exists ui(xtra:$hand)]} {
foreach xtra $ui(xtra:$hand) {
if {[string equal -nocase [lindex [split $xtra] 0] $opt]} {
return [lrange [split $xtra] 1 end]
}
}
}
return
}
default {
return -code error "No such info type: $type"
}
}
}
proc addhost {hand host} {
setuser $hand hosts $host
return
}
proc delhost {handle hostmask} {
namespace eval [getns] {
set hand [string tolower [uplevel 1 {set handle}]]
set host [uplevel 1 {set hostmask}]
if {![info exists userInfo(hosts:$hand)]} {
return 0
}
set i 0
foreach mask $userInfo(hosts:$hand) {
if {[string equal -nocase $host $mask]} {
set userInfo(hosts:$hand) [lreplace $userInfo(hosts:$hand) $i $i]
return 1
}
incr i
}
return 0
}
}
proc save { } {
global userfile
namespace eval [getns] {
if {![info exists userList]} {
set userList ""
}
}
upvar [getns]::userList ulist
set file [open $userfile w+]
puts $file "#4v: sBNC [lindex [split $::version] 0] -- [getctx] -- written [clock format [clock seconds] -format {%a %b %d %T %Y}]"
foreach hand [lsort $ulist] {
namespace eval [getns] {
set hand [uplevel 1 {set hand}]
if {![info exists userInfo(:[string tolower $hand])]} {
continue
}
}
set user $hand
set hand [string tolower $hand]
upvar [getns]::userInfo ui
puts $file "$user[string repeat " " [expr ${::max:handLength}+2-[string length $hand]]]- $ui(glb:$hand)"
set type "chf hosts laston info comment xtra"
if {[info exists ui(chf:$hand)]} {
foreach chan $ui(chf:$hand) {
puts $file "! [lindex [split $chan] 0][string repeat " " [expr 21-[string length [lindex [split $chan] 0]]]][lindex [split $chan] 1] [lindex [split $chan] 2]"
}
}
foreach type "hosts laston info comment pass xtra" {
if {[info exists ui($type:$hand)]} {
foreach arg $ui($type:$hand) {
puts $file "--[string toupper $type] $arg"
}
}
}
}
foreach type "bans exempts invites" {
namespace eval [getns] {
set type [uplevel 1 {set type}]
set file [uplevel 1 {set file}]
if {[info exists glbInfo($type)]} {
switch $type {
bans {
puts $file "*ban - -"
foreach ban $glbInfo($type) {
puts $file "- $ban"
}
}
exempts {
puts $file "*exempt - -"
foreach exempt $glbInfo($type) {
puts $file "% $exempt"
}
}
invites {
puts $file "*Invite - -"
foreach invite $glbInfo($type) {
puts $file "@ $invite"
}
}
}
}
}
foreach c [channels] {
set chan [string tolower $c]
namespace eval [getns] {
set chan [uplevel 1 {set chan}]
set c [uplevel 1 {set c}]
if {![info exists chanInfo(:$chan)]} {
set chanInfo(:$chan) $c
}
}
upvar [getns]::chanInfo ci
switch $type {
bans {
puts $file "::$c $type"
if {[info exists ci($type:$chan)]} {
foreach ban $ci($type:$chan) {
puts $file "- $ban"
}
}
}
exempts {
puts $file "&&$c $type"
if {[info exists ci($type:$chan)]} {
foreach exempt $ci($type:$chan) {
puts $file "% $exempt"
}
}
}
invites {
puts $file "\$\$$c $type"
if {[info exists ci($type:$chan)]} {
foreach invite $ci($type:$chan) {
puts $file "@ $invite"
}
}
}
}
}
}
close $file
set file [open $userfile "RDONLY CREAT"]
set info [read $file]
close $file
set found 0
foreach line [split $info \n] {
if {$found == 0} {
set found -1
continue
}
set ftwo [string range $line 0 1]
if {$ftwo != "*b" && $ftwo != "*e" && $ftwo != "*i" && $ftwo != "::" && $ftwo != "&&" && $ftwo != "\$\$" && $ftwo != ""} {
set found 1
}
}
if {$found == "-1"} {
file delete $userfile
}
if {[lsearch -exact [info procs] "savechannels"] != -1} {
savechannels
}
}
proc reload { } {
global userfile
set file [open $userfile "RDONLY CREAT"]
set info [read $file]
close $file
set u -1
namespace eval [getns] {
set userList ""
array unset userInfo
array unset chanInfo
array unset glbInfo
}
upvar [getns]::userList ulist
set ginfo 0
foreach line [split $info \n] {
if {$line == ""} { continue }
if {[llength $line] == 3 && [lindex $line 1] == "-" && [string equal -nocase "[lindex $line 0][string repeat " " [expr ${::max:handLength}+2-[string length [lindex $line 0]]]]-" [string range $line 0 [expr ${::max:handLength}+2]]]} {
set user [lindex $line 0]
namespace eval [getns] {
set user [uplevel 1 {set user}]
lappend userList $user
set userInfo(:[string tolower $user]) $user
}
set hand [string tolower $user]
upvar [getns]::userInfo ui
set ui(glb:$hand) [lindex $line 2]
set u 1
continue
}
if {$u == 1} {
if {[string range $line 0 1] == "! "} {
lappend ui(chf:$hand) [lrange $line 2 end]
continue
}
if {[string range $line 0 1] == "--"} {
lappend ui([string tolower [string range [lindex $line 0] 2 end]]:$hand) [lrange $line 1 end]
continue
}
}
switch -exact -- [string range $line 0 1] {
"*b" {
namespace eval [getns] {
if {![info exists glbInfo(bans)]} {
set glbInfo(bans) ""
}
}
set act bans
upvar [getns]::glbInfo gi
set ginfo 1
}
"*e" {
namespace eval [getns] {
if {![info exists glbInfo(exempts)]} {
set glbInfo(exempts) ""
}
}
set act exempts
upvar [getns]::glbInfo gi
set ginfo 1
}
"*I" {
namespace eval [getns] {
if {![info exists glbInfo(invites)]} {
set glbInfo(invites) ""
}
}
set act invites
upvar [getns]::glbInfo gi
set ginfo 1
}
"::" {
set c [string range [lindex $line 0] 2 end]
set chan [string tolower $c]
namespace eval [getns] {
set chan [uplevel 1 {set chan}]
set c [uplevel 1 {set c}]
if {![info exists chanInfo(:$chan)]} {
set chanInfo(:$chan) $c
}
}
upvar [getns]::chanInfo ci
set act bans
set ginfo 0
set u 0
}
"&&" {
set c [string range [lindex $line 0] 2 end]
set chan [string tolower $c]
namespace eval [getns] {
set chan [uplevel 1 {set chan}]
set c [uplevel 1 {set c}]
if {![info exists chanInfo(:$chan)]} {
set chanInfo(:$chan) $c
}
}
upvar [getns]::chanInfo ci
set act exempts
set ginfo 0
set u 0
}
"\$\$" {
set c [string range [lindex $line 0] 2 end]
set chan [string tolower $c]
namespace eval [getns] {
set chan [uplevel 1 {set chan}]
set c [uplevel 1 {set c}]
if {![info exists chanInfo(:$chan)]} {
set chanInfo(:$chan) $c
}
}
upvar [getns]::chanInfo ci
set act invites
set ginfo 0
set u 0
}
"- " {
if {$ginfo} {
lappend gi($act) [string range $line 2 end]
} else {
lappend ci($act:$chan) [string range $line 2 end]
}
}
"% " {
if {$ginfo} {
lappend gi($act) [string range $line 2 end]
} else {
lappend ci($act:$chan) [string range $line 2 end]
}
}
"@ " {
if {$ginfo} {
lappend gi($act) [string range $line 2 end]
} else {
lappend ci($act:$chan) [string range $line 2 end]
}
}
}
}
}
proc newban {ban creator comment {lifetime ""} {options ""}} {
if {[string match -nocase $ban $::botname]} { return }
if {[string first "!" $ban] == -1 && [string first "@" $ban] == -1} {
set ban "$ban!*@*"
} elseif {[string first "!" $ban] == -1 && [string first "@" $ban] != -1} {
set ban "[lindex [split $ban @] 0]!*@[join [lrange [split $ban @] 1 end] @]"
} elseif {[string first "!" $ban] != -1 && [string first "@" $ban] == -1} {
set ban "$ban@*"
}
set last 0
if {$lifetime == ""} {
set lifetime +0
} else {
if {[string is integer $lifetime] && $lifetime != "0"} {
set lifetime +[expr [unixtime] + ($lifetime*60)]
} else {
set lifetime +0
}
}
if {[string equal -nocase $options "sticky"]} {
set lifetime "${lifetime}*"
} elseif {![string equal -nocase $options "none"] && $options != ""} {
return -code error "invalid option $options (must be one of: sticky, none)"
}
foreach chan [channels] {
foreach user [chanlist $chan] {
if {[string match -nocase $ban "$user![getchanhost $user]"]} {
set last [clock seconds]
pushmode $chan -o $user
pushmode $chan +b $ban
putkick $chan $user $comment
} else {
if {[string equal -nocase $options "sticky"]} {
pushmode $chan +b $ban
}
}
}
}
set banline "$ban#$lifetime#+[unixtime]#$last#$creator#$comment"
namespace eval [getns] {
set banline [uplevel 1 {set banline}]
if {[info exists glbInfo(bans)] && $glbInfo(bans) != ""} {
set i 0
set r 0
foreach ban $glbInfo(bans) {
if {[string equal -nocase [lindex [split $ban #] 0] [lindex [split $banline #] 0]]} {
set glbInfo(bans) [lreplace $glbInfo(bans) $i $i $banline]
set r 1
continue
}
incr i
}
if {!$r} {
set glbInfo(bans) [linsert $glbInfo(bans) 0 $banline]
}
} else {
set glbInfo(bans) "{$banline}"
}
}
return
}
proc killban {ban} {
namespace eval [getns] {
set ban [uplevel 1 {set ban}]
if {[string is integer $ban]} {
if {[llength $glbInfo(bans)] >= $ban} {
incr ban -1
set glbInfo(bans) [lreplace $glbInfo(bans) $ban $ban]
return 1
} else {
return 0
}
} else {
set i 0
foreach host $glbInfo(bans) {
if {[string equal -nocase $ban [lindex [split $host #] 0]]} {
set glbInfo(bans) [lreplace $glbInfo(bans) $i $i]
foreach chan [channels] {
pushmode $chan -b $ban
}
return 1
}
incr i
}
return 0
}
}
}
proc newchanban {channel ban creator comment {lifetime ""} {options ""}} {
if {![validchan $channel]} {
return -code error "invalid channel: $channel"
}
if {[string match -nocase $ban $::botname]} { return }
if {[string first "!" $ban] == -1 && [string first "@" $ban] == -1} {
set ban "$ban!*@*"
} elseif {[string first "!" $ban] == -1 && [string first "@" $ban] != -1} {
set ban "[lindex [split $ban @] 0]!*@[join [lrange [split $ban @] 1 end] @]"
} elseif {[string first "!" $ban] != -1 && [string first "@" $ban] == -1} {
set ban "$ban@*"