#!/bin/sh
# -*-Mode: TCL;-*-
# LIC: GPL
#--------------------------------------------------------------
# tkpppoe
#
# A graphical front-end for configuring and using rp-pppoe.
#
# Copyright (C) 2001 by Roaring Penguin Software Inc.
# This file may be distributed under the terms of the GNU General Public
# License, Version 2, or (at your option) any later version.
#
# The "Roaring Penguin" logo is a trademark of Roaring Penguin Software Inc.
#
# http://www.roaringpenguin.com
#
#--------------------------------------------------------------
# $Id: tkpppoe.in,v 1.48 2005/08/09 02:49:14 dfs Exp $
# the next line restarts using wish \
umask 022; \
exec wish "$0" "$@" || clear; echo "*****"; echo "Cannot find 'wish' -- you need Tcl/Tk installed to run this program"; exit 1
# Try requiring msgcat (Tcl 8.1 and later)
set problem [catch {package require msgcat} err]
if {!$problem} {
set problem [catch {::msgcat::mcload [file join "@datadir_evaluated@" tkpppoe]} err]
}
if {$problem} {
puts "$problem - $err"
# Oops... leave as English
proc m { str } { return $str }
} else {
proc m { str } { ::msgcat::mc $str }
}
# Set app name
tk appname TkPPPoE
# Set this to one if you want to allow multiple instances of TkPPPoE
set AllowMultipleInstances 0
# Check for other instances
if {"[tk appname]" != "TkPPPoE"} {
# Must be another instance running...
if {!$AllowMultipleInstances} {
send TkPPPoE AnotherInstance
exit 0
}
}
# Location of config directory
set ConfigDir /etc/ppp/rp-pppoe-gui
# Are we running as root?
set Admin 0
# Location of connection info file
set ConnectionInfoFile [file join $ConfigDir connection-info]
# Location of password file
set PasswordFile [file join $ConfigDir passwd]
# Location of "already run" file
set AlreadyRunFile [file join $ConfigDir gui-already-run]
# Connection information
set ConnectionInfo {}
# Connection options
set OPTS(nonroot) 0
set OPTS(sync) 1
# Location of wrapper
set Wrapper "@WRAPPER@"
# Timer token for UpdateConnectionState
set UpdateToken {}
# Update interval in milliseconds
set UpdateInterval 500
# Packet counters for signalling activity
set Packets(in) 0
set Packets(out) 0
set Bytes(in) 0
set Bytes(out) 0
set MeasureTime 0
# Set up some options to make it look better
option add *Button.borderWidth 1
option add *Button.Pad 1
option add *Menubutton.borderWidth 1
option add *Menubutton.Pad 1
option add *Entry.Background white
# Array holding help strings for windows
array set HelpData {}
bind HelpWin <Enter> "HelpWindowEntered %W"
bind HelpWin <Leave> "HelpWindowLeft %W"
proc AnotherInstance {} {
wm deiconify .
raise .
}
#***********************************************************************
# %PROCEDURE: HelpWindowEntered
# %ARGUMENTS:
# w -- window
# %RETURNS:
# Nothing
# %DESCRIPTION:
# Looks for procedure in HelpData; evals it if found.
#***********************************************************************
proc HelpWindowEntered { w } {
global HelpData
if {[info exists HelpData($w)]} {
set cmd "$HelpData($w) Enter"
uplevel #0 $cmd
}
}
#***********************************************************************
# %PROCEDURE: HelpWindowLeft
# %ARGUMENTS:
# w -- window
# %RETURNS:
# Nothing
# %DESCRIPTION:
# Looks for procedure in HelpData; evals it if found.
#***********************************************************************
proc HelpWindowLeft { w } {
global HelpData
if {[info exists HelpData($w)]} {
set cmd "$HelpData($w) Leave"
uplevel #0 $cmd
}
}
#***********************************************************************
# %PROCEDURE: RegisterHelpWindow
# %ARGUMENTS:
# w -- window we need help about
# helptext -- the help text
# win -- window in which to put help messages
# %RETURNS:
# Nothing
# %DESCRIPTION:
# Sets things up so help text appears in "$win" when mouse enters "$w"
#***********************************************************************
proc RegisterHelpWindow {w helptext win} {
global HelpData
set tags [bindtags $w]
if {[lsearch -exact $tags HelpWin] < 0} {
lappend tags HelpWin
bindtags $w $tags
}
set HelpData($w) [list HelpInTextWin $helptext $win]
}
#***********************************************************************
# %PROCEDURE: HelpInTextWin
# %ARGUMENTS:
# text -- help text
# tw -- window in which to write text
# what -- one of "Enter" or "Leave"
# %RETURNS:
# Nothing
# %DESCRIPTION:
# Clears out $tw; if $what is "Enter", puts $text in $tw.
#***********************************************************************
proc HelpInTextWin {text tw what} {
$tw configure -state normal
$tw delete 1.0 end
if {"$what" == "Enter"} {
$tw insert end $text
}
$tw configure -state disabled
}
#***********************************************************************
# %PROCEDURE: drawLogo
# %ARGUMENTS:
# c -- canvas to draw logo in
# bg -- background color of canvas
# pencolor -- color of the word "Penguin"
# %RETURNS:
# Nothing
# %DESCRIPTION:
# Draws Roaring Penguin logo in a Tcl canvas
#***********************************************************************
proc drawLogo { c bg {pengcolor #6699cc} } {
$c create polygon 372.249 5.182 361.23 5.519 \
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5.182 -fill #000000 -outline {} -width 1 -tags logo
$c create line 372.249 5.182 361.23 5.519 \
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5.182 -tags logo
$c create polygon 298.605 109.632 290.734 \
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286.687 157.192 298.605 109.632 -fill #ffffff \
-outline {} -width 1 -tags logo
$c create line 298.605 109.632 290.734 159.328 \
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157.192 298.605 109.632 -tags logo
$c create polygon 312.546 30.592 315.132 35.876 \
310.747 39.586 308.161 34.414 312.546 30.592 -fill \
#ffffff -outline {} -width 1 -tags logo
$c create line 312.546 30.592 315.132 35.876 \
310.747 39.586 308.161 34.414 312.546 30.592 -tags logo
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328.624 54.427 -fill #ffffff -outline {} -width 1 -tags logo
$c create line 328.624 54.427 322.665 58.7 \
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116.378 305.913 130.208 312.771 141.563 308.049 \
167.76 299.729 192.158 279.041 238.593 313.558 \
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328.624 54.427 -tags logo
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53.837 183.051 53.837 183.501 53.837 185.412 -fill \
$pengcolor -outline {} -width 1 -tags logo
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42.594 222.853 -fill $pengcolor -outline {} -width 1 -tags logo
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234.096 -fill $pengcolor -outline {} -width 1 -tags logo
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-fill $pengcolor -outline {} -width 1 -tags logo
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#***********************************************************************
# %PROCEDURE: LoadConnectionInfo
# %ARGUMENTS:
# None
# %RETURNS:
# Nothing
# %DESCRIPTION:
# Loads the connection information into the global ConnectionInfo variable
#***********************************************************************
proc LoadConnectionInfo {} {
global ConnectionInfoFile ConnectionInfo PasswordFile
set ConnectionInfo {}
if {![file exists $ConnectionInfoFile]} {
return
}
set problem [catch {
set fp [open $ConnectionInfoFile "r"]
while {1} {
if {[gets $fp line] < 0} {
break
}
set line [string trim $line]
if {[string match "#*" $line]} {
continue
}
if {"$line" == ""} {
continue
}
set ConnectionInfo $line
break
}
close $fp
} err]
if {$problem} {
tk_dialog .err Error "[m {Error loading configuration file:}] $err" error 0 OK
}
# Try loading and merging passwords if the password file is readable
set passwords {}
if {![file readable $PasswordFile]} {
return
}
set fp [open $PasswordFile "r"]
while {1} {
if {[gets $fp line] < 0} {
break
}
set line [string trim $line]
if {[string match "#*" $line]} {
continue
}
if {"$line" == ""} {
continue
}
set passwords $line
break
}
close $fp
# Merge passwords
foreach thing $passwords {
set name [value $thing ConnectionName]
set password [value $thing Password]
set conn [GetConnection $name]
if {"$conn" != ""} {
lappend conn Password $password
ReplaceConnection $conn
}
}
}
#***********************************************************************
# %PROCEDURE: GetConnection
# %ARGUMENTS:
# name -- name of connection
# %RETURNS:
# key/value pair listing connection configuration, or "" if not found.
#***********************************************************************
proc GetConnection { name } {
global ConnectionInfo
foreach thing $ConnectionInfo {
if {[value $thing ConnectionName] == "$name"} {
return $thing
}
}
return ""
}
#***********************************************************************
# %PROCEDURE: DeleteConnection
# %ARGUMENTS:
# name -- name of connection
# %RETURNS:
# Nothing, but deletes connection named "$name"
#***********************************************************************
proc DeleteConnection { name } {
global ConnectionInfo ConfigDir
set newInfo {}
set found 0
foreach thing $ConnectionInfo {
if {[value $thing ConnectionName] == "$name"} {
set found 1
} else {
lappend newInfo $thing
}
}
if {!$found} {
return
}
set ConnectionInfo $newInfo
SaveConnectionInfo
# Delete the config file
set fname [file join $ConfigDir conf.$name]
catch { file delete $fname }
BuildConnectionMenu
if {[GetCurrentConnection] == $name} {
if {[llength $ConnectionInfo] == 0} {
SwitchConnection ""
} else {
set name [value [lindex $ConnectionInfo 0] ConnectionName]
SwitchConnection $name
}
}
}
#***********************************************************************
# %PROCEDURE: ReplaceConnection
# %ARGUMENTS:
# conn -- new name/value pairs
# %RETURNS:
# Nothing, but replaces connection in ConnectionInfo. If no such
# connection exists, appends new connection.
#***********************************************************************
proc ReplaceConnection { conn } {
global ConnectionInfo
set name [value $conn ConnectionName]
set newInfo {}
set found 0
foreach thing $ConnectionInfo {
if {[value $thing ConnectionName] == "$name"} {
lappend newInfo $conn
set found 1
} else {
lappend newInfo $thing
}
}
if {!$found} {
lappend newInfo $conn
}
set ConnectionInfo $newInfo
}
proc DeletePPPoEConnection {} {
set conn [GetCurrentConnection]
if {"$conn" == ""} {
return
}
set ans [tk_dialog .confirm "[m {Confirm Deletion - RP-PPPoE}]" "[m {Are you sure you wish to delete the connection}] `$conn'?" warning 0 No Yes]
if {$ans} {
DeleteConnection $conn
}
}
#***********************************************************************
# %PROCEDURE: CreateMainDialog
# %ARGUMENTS:
# None
# %RETURNS:
# Nothing
# %DESCRIPTION:
# Creates the main window
#***********************************************************************
proc CreateMainDialog {} {
global ConnectionInfoFile
global ConnectionInfo
global Admin
wm title . "RP-PPPoE"
wm iconname . "PPPoE"
frame .f1
label .l1 -text "Connection: "
menubutton .m1 -text "" -indicatoron 1 -menu .m1.menu -relief raised
menu .m1.menu -tearoff 0
pack .l1 .m1 -in .f1 -side left -expand 0 -fill x
canvas .c -width 40 -height 20
pack .c -in .f1 -side left -expand 0 -fill none
# Draw the LED's
.c create rectangle 10 1 30 8 -outline "#808080" -fill "#A0A0A0" -tags xmitrect
.c create rectangle 10 10 30 18 -outline "#808080" -fill "#A0A0A0" -tags recvrect
frame .buttons
button .start -text "[m {Start}]" -command "StartPPPoEConnection"
button .stop -text "[m {Stop}]" -command "StopPPPoEConnection"
button .exit -text "[m {Exit}]" -command "exit"
canvas .graph -width 1 -height 1
if {[file writable $ConnectionInfoFile]} {
set Admin 1
pack .f1 -side top -expand 1 -fill both
pack .buttons -side top -expand 0 -fill x
button .delete -text "[m {Delete}]" -command "DeletePPPoEConnection"
button .new -text "[m {New Connection...}]" -command "NewPPPoEConnection"
button .props -text "[m {Properties...}]" -command "EditConnectionProps"
pack .graph -in .f1 -side left -expand 1 -fill both
pack .start .stop .delete .props .new .exit -in .buttons -side left -expand 0 -fill none
} else {
set Admin 0
pack .f1 -side top -expand 0 -fill x
pack .buttons -side top -expand 1 -fill both
pack .start .stop .exit -in .buttons -side left -expand 0 -fill none
pack .graph -in .buttons -side left -expand 1 -fill both
}
LoadConnectionInfo
BuildConnectionMenu
# If no connections exist, pop up new connection dialog
if {[llength $ConnectionInfo] == 0} {
SwitchConnection ""
if {$Admin} {
update idletasks
NewPPPoEConnection
} else {
tk_dialog .note [m {Note}] "[m {Note: There are no connections defined. You must run this program as root to define connections}]" warning 0 OK
}
} else {
set con [lindex $ConnectionInfo 0]
set name [value $con ConnectionName]
SwitchConnection $name
}
}
#***********************************************************************
# %PROCEDURE: GetCurrentConnection
# %ARGUMENTS:
# None
# %RETURNS:
# The name of the current connection in the GUI.
#***********************************************************************
proc GetCurrentConnection {} {
.m1 cget -text
}
#***********************************************************************
# %PROCEDURE: value
# %ARGUMENTS:
# lst -- a list of key/value pairs
# key -- key we're looking for
# %RETURNS:
# value corresponding to $key, or "" if not found.
#***********************************************************************
proc value { lst key } {
set idx [lsearch -exact $lst $key]
if {$idx >= 0} {
return [lindex $lst [expr $idx+1]]
}
return ""
}
#***********************************************************************
# %PROCEDURE: SwitchConnection
# %ARGUMENTS:
# name -- new connection name
# %DESCRIPTION:
# Makes $name the active connection
#***********************************************************************
proc SwitchConnection { name } {
.m1 configure -text $name
SetButtonStates
UpdateConnectionState 0
}
#***********************************************************************
# %PROCEDURE: EditConnectionProps
# %ARGUMENTS:
# None
# %DESCRIPTION:
# Pops up edit window for current connection
#***********************************************************************
proc EditConnectionProps {} {
global ConnectionInfo
set conn [GetCurrentConnection]
NewPPPoEConnection $conn
}
#***********************************************************************
# %PROCEDURE: FillConnectionGui
# %ARGUMENTS:
# w -- connection property GUI
# name -- name of connection
# %DESCRIPTION:
# Fills GUI with values corresponding to $name.
#***********************************************************************
proc FillConnectionGui { w name } {
global ConnectionInfo
set found [GetConnection $name]
if {"$found" != ""} {
ListToSetupGui $w $found
}
}
#***********************************************************************
# %PROCEDURE: BuildConnectionMenu
# %ARGUMENTS:
# None
# %RETURNS:
# Nothing
# %DESCRIPTION:
# Builds the connection menu
#***********************************************************************
proc BuildConnectionMenu {} {
global ConnectionInfo
.m1.menu delete 0 end
foreach connection $ConnectionInfo {
set name [value $connection ConnectionName]
.m1.menu add command -label $name -command [list SwitchConnection $name]
}
.m1.menu add separator
.m1.menu add command -label "User's Manual" -command Help
}
#***********************************************************************
# %PROCEDURE: SetButtonStates
# %ARGUMENTS:
# None
# %RETURNS:
# Nothing
# %DESCRIPTION:
# Enables or disables buttons, as appropriate
#***********************************************************************
proc SetButtonStates {} {
global Admin
set conn [GetCurrentConnection]
if {"$conn" == ""} {
.start configure -state disabled
.stop configure -state disabled
catch {
.delete configure -state disabled
.props configure -state disabled
.new configure -state normal
}
} else {
foreach {startstop updown interface} [GetConnectionStatus $conn] {break}
if {"$startstop" == "started"} {
.start configure -state disabled
.stop configure -state normal
} else {
.start configure -state normal
.stop configure -state disabled
}
catch {
.delete configure -state normal
.props configure -state normal
.new configure -state normal
}
if {!$Admin} {
set ok [value [GetConnection $conn] NonrootOK]
if {!$ok} {
.start configure -state disabled
.stop configure -state disabled
}
}
}
}
#***********************************************************************
# %PROCEDURE: GetEthernetInterfaces
# %ARGUMENTS:
# None
# %RETURNS:
# A list of Ethernet interfaces
#***********************************************************************
proc GetEthernetInterfaces {} {
set ifs {}
set fp [open "|/sbin/ifconfig" "r"]
while {[gets $fp line] >= 0} {
if {[regexp {^eth[0-9]+} $line eth]} {
lappend ifs $eth
}
}
return $ifs
}
#***********************************************************************
# %PROCEDURE: StartPPPoEConnection
# %ARGUMENTS:
# None
# %RETURNS:
# Nothing
# %DESCRIPTION:
# Starts currently-selected PPPoE connection.
#***********************************************************************
proc StartPPPoEConnection {} {
global Wrapper
global StartState
global UpdateToken
set conn [GetCurrentConnection]
if {"$conn" == ""} {
return
}
if {"$UpdateToken" != ""} {
after cancel $UpdateToken
set UpdateToken ""
}
catch { unset StartState }
set StartState(chars) ""
set StartState(status) ""
set StartState(msg) ""
set StartState(flip) 0
set fp [open "|$Wrapper start $conn" "r"]
# Set fileevent
fileevent $fp readable [list StartFPReadable $fp]
LockGui $fp
vwait StartState(status)
UnlockGui
if {$StartState(status) == "failed"} {
tk_dialog .err Error "[m {Error starting connection:}] $StartState(msg)" error 0 OK
}
SetButtonStates
UpdateConnectionState 0
}
proc LockGui { fp } {
.start configure -state disabled
.stop configure -state normal -command [list AbortConnection $fp]
.exit configure -state disabled
.m1 configure -state disabled
grab set .stop
}
proc UnlockGui {} {
.start configure -state normal
.stop configure -state disabled -command StopPPPoEConnection
.exit configure -state normal
.m1 configure -state normal
grab release .stop
}
proc AbortConnection { fp } {
global StartState
catch { StopPPPoEConnection }
catch { close $fp }
set StartState(msg) "[m {Connection aborted by user}]"
set StartState(status) "[m {failed}]"
}
#***********************************************************************
# %PROCEDURE: StartFPReadable
# %ARGUMENTS:
# fp -- file handle
# %RETURNS:
# Nothing
# %DESCRIPTION:
# Called when the "pppoe-start" file handle is readable.
#***********************************************************************
proc StartFPReadable { fp } {
global StartState
set char [read $fp 1]
if {$char == ""} {
set uhoh [catch {close $fp} err]
if {$uhoh} {
set StartState(status) "[m {failed}]"
set StartState(msg) $err
} else {
set StartState(status) "[m {succeeded}]"
}
return
}
append StartState(chars) $char
if {$StartState(flip)} {
ConnectionStateDown
} else {
ConnectionStateOff
}
set StartState(flip) [expr 1 - $StartState(flip)]
}
#***********************************************************************
# %PROCEDURE: StopPPPoEConnection
# %ARGUMENTS:
# None
# %RETURNS:
# Nothing
# %DESCRIPTION:
# Stops currently-selected PPPoE connection.
#***********************************************************************
proc StopPPPoEConnection {} {
global Wrapper
set conn [GetCurrentConnection]
if {"$conn" == ""} {
return
}
set fp [open "|$Wrapper stop $conn" "r"]
while {1} {
set char [read $fp 1]
if {"$char" == ""} {
break;
}
}
set uhoh [catch {close $fp} err]
if {$uhoh} {
# Ignore a common error
if {![string match "*appears to have died*" $err]} {
tk_dialog .err Error "[m {Error stopping connection:}] $err" error 0 OK
}
}
SetButtonStates
UpdateConnectionState 0
}
#***********************************************************************
# %PROCEDURE: NewPPPoEConnection
# %ARGUMENTS:
# name -- if supplied, we're editing the existing connection "name"
# %RETURNS:
# Nothing
# %DESCRIPTION:
# Creates a new PPPoE connection
#***********************************************************************
proc NewPPPoEConnection {{name ""}} {
set w .newcon
if {[winfo exists $w]} {
wm deiconify $w
raise $w
return
}
toplevel $w
if {"$name" == ""} {
wm title $w "[m {New Connection}] - RP-PPPoE"
wm iconname $w "[m {New Connection}]"
} else {
wm title $w "[m {Edit Connection}] - RP-PPPoE"
wm iconname $w "[m {Edit Connection}]"
}
wm withdraw $w
tabnotebook_create $w.tn
set basic [tabnotebook_page $w.tn "[m {Basic}]"]
set interface [tabnotebook_page $w.tn "[m {NIC and DNS}]"]
set opts [tabnotebook_page $w.tn "[m {Options}]"]
set advanced [tabnotebook_page $w.tn "[m {Advanced}]"]
# ----------- BASIC PAGE -------------
label $w.lconName -text "[m {Connection Name:}] " -anchor e
if {"$name" != ""} {
label $w.conName -text $name -anchor w
} else {
entry $w.conName -width 15
RegisterHelpWindow $w.lconName "[m {Enter a name for this connection. It can contain letters, numbers, undescores and the minus-sign.}]" $w.help
RegisterHelpWindow $w.conName "[m {Enter a name for this connection. It can contain letters, numbers, undescores and the minus-sign.}]" $w.help
}
label $w.luser -text "[m {User Name:}] " -anchor e
entry $w.user -width 15
RegisterHelpWindow $w.luser "[m {Enter your user name. Do not add a domain-name after the user name.}]" $w.help
RegisterHelpWindow $w.user "[m {Enter your user name. Do not add a domain-name after the user name.}]" $w.help
label $w.lnet -text "[m {Network:}] " -anchor e
entry $w.network -width 15
RegisterHelpWindow $w.lnet "[m {Some ISP's require you to enter their domain-name here (e.g. "sympatico.ca").}]" $w.help
RegisterHelpWindow $w.network "[m {Some ISP's require you to enter their domain-name here (e.g. "sympatico.ca").}]" $w.help
label $w.lpass -text "[m {Password:}] " -anchor e
entry $w.pass -width 15 -show "*"
RegisterHelpWindow $w.lpass "[m {Enter your password.}]" $w.help
RegisterHelpWindow $w.pass "[m {Enter your password.}]" $w.help
grid $w.lconName $w.conName -in $basic -sticky nsew
grid $w.luser $w.user -in $basic -sticky nsew
grid $w.lnet $w.network -in $basic -sticky nsew
grid $w.lpass $w.pass -in $basic -sticky nsew
grid columnconfigure $basic 1 -weight 1
# ----------- INTERFACES PAGE -------------
set ifs {}
catch {set ifs [GetEthernetInterfaces]}
label $w.lifname -text "[m {Ethernet Interface:}] " -anchor e
entry $w.ifname -width 8
RegisterHelpWindow $w.lifname "[m {Enter Ethernet interface to which DSL modem is attached.}]" $w.help
RegisterHelpWindow $w.ifname "[m {Enter Ethernet interface to which DSL modem is attached.}]" $w.help
if {[llength $ifs] > 0} {
menubutton $w.ifmb -relief raised -text "..." -menu $w.ifmb.menu
RegisterHelpWindow $w.ifmb "[m {Browse detected Ethernet interface names.}]" $w.help
menu $w.ifmb.menu -tearoff 0
foreach if $ifs {
$w.ifmb.menu add command -label $if -command "$w.ifname delete 0 end; $w.ifname insert end [list $if]"
}
grid $w.lifname $w.ifname $w.ifmb -in $interface -sticky nsew
} else {
grid $w.lifname $w.ifname - -in $interface -sticky nsew
}
label $w.ldns -text "[m {DNS Setup:}] " -anchor e
menubutton $w.dns -text "[m {From Server}]" -menu $w.dns.menu -relief raised -indicatoron 1
menu $w.dns.menu -tearoff 0
foreach thing [list "[m {From Server}]" "[m {Specify}]" "[m {Do not Adjust}]"] {
$w.dns.menu add command -label $thing -command [list SetDNSOption $w $thing]
}
RegisterHelpWindow $w.ldns [m "DNS server options:\n'From Server' - Let PPPoE server specify DNS servers\n'Specify' - Enter IP addresses of DNS servers yourself\n'Do not Adjust' - Leave your DNS setup alone."] $w.help
RegisterHelpWindow $w.dns [m "DNS server options:\n'From Server' - Let PPPoE server specify DNS servers\n'Specify' - Enter IP addresses of DNS servers yourself\n'Do not Adjust' - Leave your DNS setup alone."] $w.help
label $w.ldns1 -text "[m {Primary DNS:}] " -anchor e
entry $w.dns1 -width 16
RegisterHelpWindow $w.ldns1 "[m {Enter the IP address of the primary DNS server.}]" $w.help
RegisterHelpWindow $w.dns1 "[m {Enter the IP address of the primary DNS server.}]" $w.help
label $w.ldns2 -text "[m {Secondary DNS:}] " -anchor e
entry $w.dns2 -width 16
RegisterHelpWindow $w.ldns2 "[m {Enter the IP address of the secondary DNS server.}]" $w.help
RegisterHelpWindow $w.dns2 "[m {Enter the IP address of the secondary DNS server.}]" $w.help
SetDNSOption $w "[m {From Server}]"
grid $w.ldns $w.dns - -in $interface -sticky nsew
grid $w.ldns1 $w.dns1 - -in $interface -sticky nsew
grid $w.ldns2 $w.dns2 - -in $interface -sticky nsew
# If only one Ethernet interface, select it by default
if {[llength $ifs] == 1} {
$w.ifname insert end [lindex $ifs 0]
}
grid columnconfigure $interface 1 -weight 1
# ----------- OPTS PAGE -------------
checkbutton $w.nonroot -text "[m {Allow use by non-root users}]" -variable OPTS(nonroot) -anchor w
RegisterHelpWindow $w.nonroot "[m {If enabled, ordinary users can start and stop this connection.}]" $w.help
checkbutton $w.sync -text "[m {Use synchronous PPP}]" -variable OPTS(sync) -anchor w
RegisterHelpWindow $w.sync "[m {Use synchronous PPP (recommended -- easier on the CPU.)}]" $w.help
label $w.lfw -text "[m {Firewalling:}] " -anchor e
if {[llength $ifs] == 1} {
set defaultFW "[m {Stand-Alone}]"
} else {
set defaultFW "[m {Masquerading}]"
}
menubutton $w.fw -text $defaultFW -menu $w.fw.menu -indicatoron 1 -relief raised
menu $w.fw.menu -tearoff 0
foreach type [list [m "Stand-Alone"] [m "Masquerading"] [m "None"]] {
$w.fw.menu add command -label $type -command [list $w.fw configure -text $type]
}
RegisterHelpWindow $w.lfw [m "Firewalling options:\nStand-Alone - A stand-alone machine.\nMasquerading - A gateway machine used for Internet sharing.\nNone - Use if you already have your own firewall rules or want to run servers."] $w.help
RegisterHelpWindow $w.fw [m "Firewalling options:\nStand-Alone - A stand-alone machine.\nMasquerading - A gateway machine used for Internet sharing.\nNone - Use if you already have your own firewall rules or want to run servers."] $w.help
grid $w.nonroot - -in $opts -sticky nsew
grid $w.sync - -in $opts -sticky nsew
grid $w.lfw $w.fw -in $opts -sticky nsw
grid columnconfigure $opts 1 -weight 1
# ----------- ADVANCED PAGE -------------
label $w.lsn -text "[m {Service-Name:}] " -anchor e
entry $w.servicename -width 24
label $w.lac -text "[m {AC-Name:}] " -anchor e
entry $w.acname -width 24
RegisterHelpWindow $w.lac [m "Enter access concentrator name if required. Most ISPs do not require this; try leaving it blank."] $w.help
RegisterHelpWindow $w.acname [m "Enter access concentrator name if required. Most ISPs do not require this; try leaving it blank."] $w.help
grid $w.lsn $w.servicename -in $advanced -sticky nsew
grid $w.lac $w.acname -in $advanced -sticky nsew
RegisterHelpWindow $w.lsn [m "Enter service name if required. Most ISPs do not require this; try leaving it blank."] $w.help
RegisterHelpWindow $w.servicename [m "Enter service name if required. Most ISPs do not require this; try leaving it blank."] $w.help
grid columnconfigure $advanced 1 -weight 1
# ----------- BUTTONS -------------
frame $w.buttons
button $w.ok -text [m "OK"] -command [list NewPPPoEConnectionOK $name $w]
button $w.cancel -text [m "Cancel"] -command [list destroy $w]
pack $w.ok $w.cancel -in $w.buttons -expand 0 -fill none -side left
pack $w.tn -side top -expand 1 -fill both
text $w.help -width 60 -wrap word -state disabled -height 6
pack $w.help -side top -expand 0 -fill both
pack $w.buttons -side top -expand 0 -fill x
# If we're editing existing connection, fill GUI with current values
if {"$name" != ""} {
FillConnectionGui $w $name
}
wm deiconify $w
update idletasks
raise $w
}
#***********************************************************************
# %PROCEDURE: SetDNSOption
# %ARGUMENTS:
# w -- connection-editing window
# opt -- value of DNS option
# %RETURNS:
# Nothing
# %DESCRIPTION:
# Adjusts GUI for specified option
#***********************************************************************
proc SetDNSOption { w opt } {
$w.dns configure -text $opt
if {"$opt" == "[m Specify]"} {
$w.dns1 configure -state normal -background white
$w.dns2 configure -state normal -background white
} else {
$w.dns1 configure -state disabled -background "#d9d9d9"
$w.dns2 configure -state disabled -background "#d9d9d9"
}
}
# ----------------------------------------------------------------------
# Tabbed notebook code from "Effective Tcl/Tk Programming"
# ----------------------------------------------------------------------
# EXAMPLE: tabnotebook that can dial up pages
# ----------------------------------------------------------------------
# Effective Tcl/Tk Programming
# Mark Harrison, DSC Communications Corp.
# Michael McLennan, Bell Labs Innovations for Lucent Technologies
# Addison-Wesley Professional Computing Series
# ======================================================================
# Copyright (c) 1996-1997 Lucent Technologies Inc. and Mark Harrison
# ======================================================================
option add *Tabnotebook.tabs.background #666666 widgetDefault
option add *Tabnotebook.margin 6 widgetDefault
option add *Tabnotebook.tabColor #a6a6a6 widgetDefault
option add *Tabnotebook.activeTabColor #d9d9d9 widgetDefault
option add *Tabnotebook.tabFont \
-*-helvetica-bold-r-normal--*-120-* widgetDefault
proc tabnotebook_create {win} {
global tnInfo
frame $win -class Tabnotebook
canvas $win.tabs -highlightthickness 0
pack $win.tabs -fill x
notebook_create $win.notebook
pack $win.notebook -expand yes -fill both
set tnInfo($win-tabs) ""
set tnInfo($win-current) ""
set tnInfo($win-pending) ""
return $win
}
proc tabnotebook_page {win name} {
global tnInfo
set page [notebook_page $win.notebook $name]
lappend tnInfo($win-tabs) $name
if {$tnInfo($win-pending) == ""} {
set id [after idle [list tabnotebook_refresh $win]]
set tnInfo($win-pending) $id
}
return $page
}
proc tabnotebook_refresh {win} {
global tnInfo
$win.tabs delete all
set margin [option get $win margin Margin]
set color [option get $win tabColor Color]
set font [option get $win tabFont Font]
set x 2
set maxh 0
foreach name $tnInfo($win-tabs) {
set id [$win.tabs create text \
[expr $x+$margin+2] [expr -0.5*$margin] \
-anchor sw -text $name -font $font \
-tags [list $name]]
set bbox [$win.tabs bbox $id]
set wd [expr [lindex $bbox 2]-[lindex $bbox 0]]
set ht [expr [lindex $bbox 3]-[lindex $bbox 1]]
if {$ht > $maxh} {
set maxh $ht
}
$win.tabs create polygon 0 0 $x 0 \
[expr $x+$margin] [expr -$ht-$margin] \
[expr $x+$margin+$wd] [expr -$ht-$margin] \
[expr $x+$wd+2*$margin] 0 \
2000 0 2000 10 0 10 \
-outline black -fill $color \
-tags [list $name tab tab-$name]
$win.tabs raise $id
$win.tabs bind $name <ButtonPress-1> \
[list tabnotebook_display $win $name]
set x [expr $x+$wd+2*$margin]
}
set height [expr $maxh+2*$margin]
$win.tabs move all 0 $height
$win.tabs configure -width $x -height [expr $height+4]
if {$tnInfo($win-current) != ""} {
tabnotebook_display $win $tnInfo($win-current)
} else {
tabnotebook_display $win [lindex $tnInfo($win-tabs) 0]
}
set tnInfo($win-pending) ""
}
proc tabnotebook_display {win name} {
global tnInfo
notebook_display $win.notebook $name
set normal [option get $win tabColor Color]
$win.tabs itemconfigure tab -fill $normal
set active [option get $win activeTabColor Color]
$win.tabs itemconfigure tab-$name -fill $active
$win.tabs raise $name
set tnInfo($win-current) $name
}
# ----------------------------------------------------------------------
# EXAMPLE: simple notebook that can dial up pages
# ----------------------------------------------------------------------
# Effective Tcl/Tk Programming
# Mark Harrison, DSC Communications Corp.
# Michael McLennan, Bell Labs Innovations for Lucent Technologies
# Addison-Wesley Professional Computing Series
# ======================================================================
# Copyright (c) 1996-1997 Lucent Technologies Inc. and Mark Harrison
# ======================================================================
option add *Notebook.borderWidth 2 widgetDefault
option add *Notebook.relief sunken widgetDefault
proc notebook_create {win} {
global nbInfo
frame $win -class Notebook
pack propagate $win 0
set nbInfo($win-count) 0
set nbInfo($win-pages) ""
set nbInfo($win-current) ""
return $win
}
proc notebook_page {win name} {
global nbInfo
set page "$win.page[incr nbInfo($win-count)]"
lappend nbInfo($win-pages) $page
set nbInfo($win-page-$name) $page
frame $page
if {$nbInfo($win-count) == 1} {
after idle [list notebook_display $win $name]
}
return $page
}
proc notebook_display {win name} {
global nbInfo
set page ""
if {[info exists nbInfo($win-page-$name)]} {
set page $nbInfo($win-page-$name)
} elseif {[winfo exists $win.page$name]} {
set page $win.page$name
}
if {$page == ""} {
error "bad notebook page \"$name\""
}
notebook_fix_size $win
if {$nbInfo($win-current) != ""} {
pack forget $nbInfo($win-current)
}
pack $page -expand yes -fill both
set nbInfo($win-current) $page
}
proc notebook_fix_size {win} {
global nbInfo
update idletasks
set maxw 0
set maxh 0
foreach page $nbInfo($win-pages) {
set w [winfo reqwidth $page]
if {$w > $maxw} {
set maxw $w
}
set h [winfo reqheight $page]
if {$h > $maxh} {
set maxh $h
}
}
set bd [$win cget -borderwidth]
set maxw [expr $maxw+2*$bd]
set maxh [expr $maxh+2*$bd]
$win configure -width $maxw -height $maxh
}
#***********************************************************************
# %PROCEDURE: SetupGuiToList
# %ARGUMENTS:
# w -- the PPPoE connection setup window
# %RETURNS:
# A list of (name value) pairs for the connection.
# %DESCRIPTION:
# Reads values from the GUI; makes a list.
#***********************************************************************
proc SetupGuiToList { w } {
global OPTS
set ans {}
if {[catch {lappend ans ConnectionName [$w.conName get]}]} {
lappend ans ConnectionName [$w.conName cget -text]
}
lappend ans UserName [$w.user get]
lappend ans NetworkName [$w.network get]
lappend ans Password [$w.pass get]
lappend ans Interface [$w.ifname get]
lappend ans DNSType [$w.dns cget -text]
lappend ans DNS1 [$w.dns1 get]
lappend ans DNS2 [$w.dns2 get]
lappend ans NonrootOK $OPTS(nonroot)
lappend ans Sync $OPTS(sync)
lappend ans FirewallType [$w.fw cget -text]
lappend ans ServiceName [$w.servicename get]
lappend ans ACName [$w.acname get]
# Validate
set name [value $ans ConnectionName]
if {![regexp -nocase {^[-a-z0-9_]+$} $name]} {
error [m "Connection name must be non-blank and contain only letters, digits, `_' and `-'"]
}
# Check DNS
set type [value $ans DNSType]
if {"$type" == [m "Specify"]} {
set dns [value $ans DNS1]
if {![regexp {[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+} "$dns"]} {
error [m "Primary DNS entry must consist of four dot-separated decimal numbers"]
}
set dns [value $ans DNS2]
if {"$dns" != "" && ![regexp {[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+} "$dns"]} {
error [m "Secondary DNS entry must consist of four dot-separated decimal numbers"]
}
}
return $ans
}
#***********************************************************************
# %PROCEDURE: ListToSetupGui
# %ARGUMENTS:
# w -- the PPPoE connection setup window
# lst -- a list of name/value pairs
# %RETURNS:
# Nothing
# %DESCRIPTION:
# Updates GUI to reflect lst
#***********************************************************************
proc ListToSetupGui { w lst } {
global OPTS
foreach {key value} $lst {
switch -exact -- $key {
ConnectionName {
catch {
$w.conName delete 0 end
$w.conName insert end $value
}
catch {
$w.conName configure -text $value
}
}
UserName {
$w.user delete 0 end
$w.user insert end $value
}
NetworkName {
$w.network delete 0 end
$w.network insert end $value
}
Password {
$w.pass delete 0 end
$w.pass insert end $value
}
Interface {
$w.ifname delete 0 end
$w.ifname insert end $value
}
DNSType {
SetDNSOption $w $value
}
DNS1 {
set oldstate [$w.dns1 cget -state]
$w.dns1 configure -state normal
$w.dns1 delete 0 end
$w.dns1 insert end $value
$w.dns1 configure -state $oldstate
}
DNS2 {
set oldstate [$w.dns2 cget -state]
$w.dns2 configure -state normal
$w.dns2 delete 0 end
$w.dns2 insert end $value
$w.dns2 configure -state $oldstate
}
NonrootOK {
set OPTS(nonroot) $value
}
Sync {
set OPTS(sync) $value
}
FirewallType {
$w.fw configure -text $value
}
ServiceName {
$w.servicename delete 0 end
$w.servicename insert end $value
}
ACName {
$w.acname delete 0 end
$w.acname insert end $value
}
}
}
}
proc NewPPPoEConnectionOK { name w } {
if {[catch {set conn [SetupGuiToList $w]} err]} {
tk_dialog .err "Invalid Parameters" "$err" error 0 OK
return
}
if {"$name" == ""} {
set name [value $conn ConnectionName]
set tmp [GetConnection $name]
if {"$tmp" != ""} {
tk_dialog .err [m "Connection Exists"] [m "The connection already exists. Pick another name."] error 0 OK
return
}
}
ReplaceConnection $conn
SaveConnectionInfo
BuildConnectionMenu
SwitchConnection $name
destroy $w
}
proc SaveConnectionInfo {} {
global ConnectionInfo ConnectionInfoFile PasswordFile
set fp [open "$ConnectionInfoFile.new" "w"]
puts $fp "# RP-PPPoE GUI Configuration Information."
puts $fp "# This file may *look* human-editable, but it is NOT."
puts $fp "# So, you with the text editor: Keep away from this file."
puts $fp "#"
set expunged {}
set passwords {}
foreach thing $ConnectionInfo {
set name [value $thing ConnectionName]
set password [value $thing Password]
set pwindex [lsearch -exact $thing Password]
set safe [lreplace $thing $pwindex [expr $pwindex+1]]
set pwd [list ConnectionName $name Password $password]
lappend expunged $safe
lappend passwords $pwd
}
puts $fp $expunged
close $fp
set fp [open "$PasswordFile.new" "w"]
exec chmod 600 "$PasswordFile.new"
puts $fp "# RP-PPPoE GUI Configuration Information."
puts $fp "# This file may *look* human-editable, but it is NOT."
puts $fp "# So, you with the text editor: Keep away from this file."
puts $fp "#"
puts $fp $passwords
close $fp
file rename -force "$ConnectionInfoFile.new" "$ConnectionInfoFile"
file rename -force "$PasswordFile.new" "$PasswordFile"
# Generate config files for pppoe-start for each connection
foreach thing $ConnectionInfo {
GenerateConfigFile $thing
}
# Now update /etc/ppp/pap-secrets and /etc/ppp/chap-secrets
foreach thing $ConnectionInfo {
GenerateSecretsEntry $thing
}
}
#***********************************************************************
# %PROCEDURE: ReadShellEscapedWord
# %ARGUMENTS:
# str -- a string
# %RETURNS:
# A two-element list -- the first element is a shell-escaped word
# extracted from $str, just the way pppd parses /etc/ppp/pap-secrets.
# The second element is the remaining portion of $str
#***********************************************************************
proc ReadShellEscapedWord { str } {
set ans {}
set rest $str
# Chew up leading spaces
set rest [string trimleft $rest]
# If first char is a quote, read until a quote
if {"[string index $rest 0]" == "\""} {
set rest [string range $rest 1 end]
set nextquote [string first "\"" $rest]
# If no following quote, pretend we haven't seen a quote, I guess.
if {$nextquote >= 0} {
set ans [string range $rest 0 [expr $nextquote-1]]
set rest [string range $rest [expr $nextquote+1] end]
return [list $ans $rest]
}
}
# Not a quote; chew through the string until an unescaped space
while {[string length $rest] > 0} {
set char [string index $rest 0]
set rest [string range $rest 1 end]
# Sneaky test for whitespace in Tcl 8.0
if {"[string trim $char]" == ""} {
return [list $ans $rest]
}
if {"$char" == "\\"} {
set char [string index $rest 0]
set rest [string range $rest 1 end]
}
append ans $char
}
return [list $ans $rest]
}
#***********************************************************************
# %PROCEDURE: GenerateSecretsEntry
# %ARGUMENTS:
# conn -- a connection key/value list
# %RETURNS:
# Nothing
# %DESCRIPTION:
# Adds entries to /etc/ppp/pap-secrets and /etc/ppp/chap-secrets.
#***********************************************************************
proc GenerateSecretsEntry { conn } {
set user [value $conn UserName]
set net [value $conn NetworkName]
set password [value $conn Password]
if {"$net" != ""} {
set user "$user@$net"
}
GenerateSecretsEntryForFile $user $password "/etc/ppp/pap-secrets"
GenerateSecretsEntryForFile $user $password "/etc/ppp/chap-secrets"
}
#***********************************************************************
# %PROCEDURE: GenerateSecretsEntryForFile
# %ARGUMENTS:
# user -- user name
# password -- password
# fname -- file to add entry to.
# %RETURNS:
# Nothing
# %DESCRIPTION:
# Adds entries to /etc/ppp/pap-secrets or /etc/ppp/chap-secrets.
#***********************************************************************
proc GenerateSecretsEntryForFile { user password fname } {
# Copy $fname to $fname.new
set out [open "$fname.new" "w"]
exec chmod go-rwx "$fname.new"
if {[file exists $fname]} {
set in [open $fname "r"]
while {[gets $in line] >= 0} {
set trimmed [string trim $line]
if {"$trimmed" == ""} {
puts $out $line
continue
}
if {[string match "#*" $trimmed]} {
puts $out $line
continue
}
# Read the user name off the line; copy it unless it's our
# user name.
foreach {word dummy} [ReadShellEscapedWord $line] {break}
if {$word != $user} {
puts $out $line
}
}
close $in
}
# Now add our line
set user [ShellEscape $user]
set password [ShellEscape $password]
puts $out "$user\t*\t$password\t*"
close $out
file rename -force $fname.new $fname
}
#***********************************************************************
# %PROCEDURE: ShellEscape
# %ARGUMENTS:
# str
# %RETURNS:
# A version of $str with shell meta-characters escaped
#***********************************************************************
proc ShellEscape { str } {
set ans ""
foreach char [split $str ""] {
if {[string first $char "01234567890ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz_+=-@./"] >= 0} {
append ans $char
} else {
append ans "\\$char"
}
}
return $ans
}
#***********************************************************************
# %PROCEDURE: GenerateConfigFile
# %ARGUMENTS:
# conn -- a connection key/value list
# %RETURNS:
# Nothing
# %DESCRIPTION:
# Generates a configuration file for pppoe-start and friends under
# /etc/ppp/rp-pppoe-gui
#***********************************************************************
proc GenerateConfigFile { conn } {
global ConfigDir
set name [value $conn ConnectionName]
set fname [file join $ConfigDir conf.$name]
set fp [open "$fname.new" w]
puts $fp "# Configuration file for connection `$name'."
puts $fp "# Automatically generated. Do not edit by hand."
puts $fp ""
foreach {var val} $conn {
switch -exact $var {
UserName {
set net [value $conn NetworkName]
if {"$net" != ""} {
set user "$val@$net"
} else {
set user "$val"
}
puts $fp [ShellEscape "USER=$user"]
}
Interface {
puts $fp [ShellEscape "ETH=$val"]
}
DNSType {
if {"$val" == "[m {From Server}]"} {
puts $fp "DNSTYPE=SERVER"
puts $fp "PEERDNS=yes"
} elseif {"$val" == "[m {Specify}]"} {
puts $fp "DNSTYPE=SPECIFY"
puts $fp "PEERDNS=no"
} else {
puts $fp "DNSTYPE=NOCHANGE"
puts $fp "PEERDNS=no"
}
}
DNS1 {
puts $fp [ShellEscape "DNS1=$val"]
}
DNS2 {
puts $fp [ShellEscape "DNS2=$val"]
}
NonrootOK {
if {$val} {
puts $fp "NONROOT=OK"
}
}
ACName {
puts $fp [ShellEscape "ACNAME=$val"]
}
ServiceName {
puts $fp [ShellEscape "SERVICENAME=$val"]
}
FirewallType {
if {"$val" == "[m {None}]"} {
puts $fp "FIREWALL=NONE"
} elseif {"$val" == "[m {Masquerading}]"} {
puts $fp "FIREWALL=MASQUERADE"
} else {
puts $fp "FIREWALL=STANDALONE"
}
}
Sync {
if {$val} {
puts $fp "SYNCHRONOUS=yes"
} else {
puts $fp "SYNCHRONOUS=no"
}
}
}
}
puts $fp "CONNECT_TIMEOUT=30"
puts $fp "CONNECT_POLL=1"
puts $fp "FORCEPING=\".\""
puts $fp "PIDFILE=/var/run/pppoe-$name.pid"
puts $fp "CLAMPMSS=1412"
puts $fp "LCP_INTERVAL=20"
puts $fp "LCP_FAILURE=3"
puts $fp "PPPOE_TIMEOUT=80"
puts $fp "LINUX_PLUGIN="
puts $fp "DEMAND=no"
puts $fp "DEFAULTROUTE=yes"
close $fp
file rename -force "$fname.new" "$fname"
}
#***********************************************************************
# %PROCEDURE: GetConnectionStatus
# %ARGUMENTS:
# conn -- connection name
# %RETURNS:
# A three-element list:
# {started/stopped up/down if}
# If first element is "started", then connection has been started.
# If second element is "up", then connection is up.
# If connection is up, third element is PPP interface.
#***********************************************************************
proc GetConnectionStatus { conn } {
set pidfile "/var/run/pppoe-$conn.pid"
# Check for PID file
if {![file readable $pidfile]} {
return {stopped down ""}
}
set fp [open $pidfile "r"]
gets $fp pid
close $fp
# Check if process is dead
if {![file exists "/proc/$pid"]} {
# The pppd might still be running... doh...
if {![file readable "$pidfile.pppd"]} {
return {stopped down ""}
}
set fp [open "$pidfile.pppd" "r"]
gets $fp pid
close $fp
if {![file exists "/proc/$pid"]} {
return {stopped down ""}
}
}
# Now get PID of pppd
if {![file readable "$pidfile.pppd"]} {
return {started down ""}
}
set fp [open "$pidfile.pppd" "r"]
gets $fp pid
close $fp
# Find interface to which it corresponds
set pppdfiles [glob -nocomplain "/var/run/ppp*.pid"]
set found {}
foreach file $pppdfiles {
set fp [open $file "r"]
gets $fp ifpid
close $fp
if {$ifpid == $pid} {
set found [file rootname [file tail $file]]
break
}
}
if {"$found" == ""} {
return {started down ""}
}
return [list started up $found]
}
#***********************************************************************
# %PROCEDURE: UpdateConnectionState
# %ARGUMENTS:
# fromAfter -- if 1, was called from an "after" callback.
# %RETURNS:
# Nothing
# %DESCRIPTION:
# Updates the "LED" displays; periodically reschedules itself to keep
# updating display.
#***********************************************************************
proc UpdateConnectionState {{fromAfter 1}} {
global UpdateToken
global Packets
global Bytes
global UpdateInterval
global MeasureTime
if {$fromAfter} {
set UpdateToken ""
}
set conn [GetCurrentConnection]
if {"$conn" == ""} {
ConnectionStateOff
ResetGraph
if {"$UpdateToken" != ""} {
after cancel $UpdateToken
set UpdateToken {}
}
return
}
foreach {startstop updown interface} [GetConnectionStatus $conn] {break}
if {"$startstop" == "stopped"} {
ConnectionStateOff
ResetGraph
} elseif {"$updown" == "down"} {
ConnectionStateDown
ResetGraph
} else {
# Get the packet counts
set found 0
set fp [open "/proc/net/dev" "r"]
while {[gets $fp line] >= 0} {
if {![string match "*$interface:*" $line]} {
continue
}
set colon [string first ":" $line]
if {$colon < 0} {
continue
}
set line [string range $line [expr $colon+1] end]
set found 1
set MeasureTime [clock seconds]
break
}
close $fp
if {$found} {
foreach {rbytes rpacks rerrs rdrop rfifo rframe rcomp rmulti tbytes tpacks} $line {break}
if {!$fromAfter} {
set Packets(in) $rpacks
set Packets(out) $tpacks
set Bytes(in) $rbytes
set Bytes(out) $tbytes
ConnectionStateUp
ResetGraph
} else {
if {$rpacks != $Packets(in)} {
ConnectionReceiveActive
} else {
ConnectionReceiveUp
}
if {$tpacks != $Packets(out)} {
ConnectionTransmitActive
} else {
ConnectionTransmitUp
}
set Packets(in) $rpacks
set Packets(out) $tpacks
set Bytes(in) $rbytes
set Bytes(out) $tbytes
UpdateGraph
}
} else {
ConnectionStateUp
ResetGraph
}
}
if {"$UpdateToken" == ""} {
set UpdateToken [after $UpdateInterval UpdateConnectionState]
}
if {$fromAfter} {
SetButtonStates
}
}
proc ConnectionStateOff {} {
.c itemconfigure xmitrect -fill "#A0A0A0"
.c itemconfigure recvrect -fill "#A0A0A0"
}
proc ConnectionStateDown {} {
.c itemconfigure xmitrect -fill "#A00000"
.c itemconfigure recvrect -fill "#A00000"
}
proc ConnectionStateUp {} {
.c itemconfigure xmitrect -fill "#00D000"
.c itemconfigure recvrect -fill "#00D000"
}
proc ConnectionTransmitActive {} {
.c itemconfigure xmitrect -fill "#FFFF00"
}
proc ConnectionTransmitUp {} {
.c itemconfigure xmitrect -fill "#00D000"
}
proc ConnectionReceiveActive {} {
.c itemconfigure recvrect -fill "#FFFF00"
}
proc ConnectionReceiveUp {} {
.c itemconfigure recvrect -fill "#00D000"
}
proc ResetGraph {} {
global GraphPoints
set GraphPoints(in) {}
set GraphPoints(out) {}
set GraphPoints(times) {}
.graph delete all
UpdateGraph
}
proc UpdateGraph {} {
global GraphPoints Bytes UpdateInterval MeasureTime
lappend GraphPoints(times) $MeasureTime
lappend GraphPoints(in) $Bytes(in)
lappend GraphPoints(out) $Bytes(out)
set w [winfo width .graph]
set w2 [expr $w/2]
set h [winfo height .graph]
set toChop [expr [llength $GraphPoints(in)] - $w2 - 1]
if {$toChop > 0} {
set GraphPoints(in) [lrange $GraphPoints(in) $toChop end]
}
set toChop [expr [llength $GraphPoints(out)] - $w2 - 1]
if {$toChop > 0} {
set GraphPoints(out) [lrange $GraphPoints(out) $toChop end]
}
set toChop [expr [llength $GraphPoints(times)] - $w2 - 1]
if {$toChop > 0} {
set GraphPoints(times) [lrange $GraphPoints(times) $toChop end]
}
set prev [lindex $GraphPoints(in) 0]
set incoords {}
set outcoords {}
set inmax 0
set outmax 0
foreach thing [lrange $GraphPoints(in) 1 end] {
set diff [expr $thing - $prev]
set prev $thing
lappend incoords $diff
if {$diff > $inmax} {
set inmax $diff
}
}
set prev [lindex $GraphPoints(out) 0]
foreach thing [lrange $GraphPoints(out) 1 end] {
set diff [expr $thing - $prev]
set prev $thing
lappend outcoords $diff
if {$diff > $outmax} {
set outmax $diff
}
}
if {$inmax == 0} { set inmax 1 }
if {$outmax == 0} { set outmax 1 }
# Draw the transmit line
set x 0
set hh [expr $h-4]
set scaled {}
foreach thing $outcoords {
lappend scaled $x [expr double($h) - 2 - (double($hh) * double($thing) / double($outmax))]
incr x
}
.graph delete all
if {[llength $scaled] >= 4} {
eval ".graph create line $scaled -fill #A00000"
set bits [expr 8.0 * ([lindex $GraphPoints(out) end] - [lindex $GraphPoints(out) 0])]
set timediff [expr [lindex $GraphPoints(times) end] - [lindex $GraphPoints(times) 0]]
if {$timediff != 0} {
set bps [Pretty [expr double($bits) / $timediff]]
.graph create text 2 2 -anchor nw -font fixed -text "$bps"
}
}
# Draw the receive line
set x $w2
set scaled {}
foreach thing $incoords {
lappend scaled $x [expr double($h) - 2 - (double($hh) * double($thing) / double($inmax))]
incr x
}
if {[llength $scaled] >= 4} {
eval ".graph create line $scaled -fill #00A000"
set bits [expr 8.0 * ([lindex $GraphPoints(in) end] - [lindex $GraphPoints(in) 0])]
set timediff [expr [lindex $GraphPoints(times) end] - [lindex $GraphPoints(times) 0]]
if {$timediff != 0} {
set bps [Pretty [expr double($bits) / $timediff]]
.graph create text [expr $w2+2] 2 -anchor nw -font fixed -text "$bps"
}
}
}
proc Pretty { n } {
if {$n < 0} {
return "***"
}
if {$n < 1000} {
return [format "%.1f" $n]
}
set n [expr $n/1000.0]
if {$n < 1000} {
return [format "%.1fk" $n]
}
set n [expr $n/1000.0]
if {$n < 1000} {
return [format "%.1fM" $n]
}
set n [expr $n/1000.0]
return [format "%.1fG" $n]
}
#***********************************************************************
# %PROCEDURE: Help
# %ARGUMENTS:
# None
# %RETURNS:
# Nothing
# %DESCRIPTION:
# Opens help page
#***********************************************************************
proc Help {} {
set file [file join "@datadir_evaluated@" tkpppoe tkpppoe.html]
if {![file readable $file]} {
tk_dialog .err [m "Error"] [m "Help file is not installed"] error 0 OK
return
}
catch { exec /bin/sh -c "netscape -remote 'openURL($file)' || netscape $file" > /dev/null 2>/dev/null & }
}
#***********************************************************************
# %PROCEDURE: doLogo
# %ARGUMENTS:
# None
# %RETURNS:
# Nothing
# %DESCRIPTION:
# Does the logo thing
#***********************************************************************
proc doLogo {} {
global AlreadyRunFile ConfigDir
if {[file exists $AlreadyRunFile]} {
return
}
catch { file mkdir $ConfigDir }
catch { close [open $AlreadyRunFile "w"] }
canvas .c -width 374 -height 286 -bg #FFFFCC
pack .c
drawLogo .c #FFFFCC
# Funky effect
.c create text 4 4 -anchor nw -text [m "Welcome to RP-PPPoE"] \
-fill red -font {-family times -size -24 -weight bold} -tags pppoe
.c lower pppoe
.c move logo -300 0
update idletasks
for {set i 0} {$i < 15} {incr i} {
.c move logo 20 0
update idletasks
after 25
}
.c create text 4 28 -anchor nw -text "http://www.roaringpenguin.com" \
-fill red -font {-family courier -size -14 -weight bold}
update idletasks
after 2500
}
# If config dir is not readable, die
if {![file readable $ConfigDir]} {
wm withdraw .
tk_dialog .err Error "Error: Cannot read the directory $ConfigDir. You must have permission to read this directory to use tkpppoe" error 0 OK
exit 1
}
doLogo
catch { destroy .c }
# Try creating an empty config file if none exists
if {![file readable $ConnectionInfoFile]} {
catch { file mkdir $ConfigDir }
catch {
set fp [open $ConnectionInfoFile "w"]
close $fp
}
}
CreateMainDialog
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