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# Copyright (C) 2007 Tresys Technology, LLC
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
namespace eval Apol_Open_Policy_Dialog {
variable dialog {}
variable widgets
variable vars
}
# Create a dialog box to allow the user to select a policy path.
proc Apol_Open_Policy_Dialog::getPolicyPath {defaultPath} {
variable dialog
variable vars
array unset vars
_create_dialog .
set vars(path_type) "monolithic"
set vars(primary_file) {}
set vars(last_module) {}
set vars(mod_names) {}
set vars(mod_vers) {}
set vars(mod_paths) {}
if {$defaultPath != {}} {
foreach {path_type primary modules} [policy_path_to_list $defaultPath] {break}
set vars(path_type) $path_type
if {[set vars(primary_file) $primary] != {}} {
$dialog itemconfigure 0 -state normal
}
set vars(last_module) $vars(primary_file)
foreach m $modules {
if {[catch {getModuleInfo $m} info]} {
tk_messageBox -icon error -type ok -title "Open Module" -message $info -detail "Module file $m" -parent [$dialog getframe]
} else {
foreach {name vers type} $info {break}
lappend vars(mod_names) $name
lappend vars(mod_vers) $vers
lappend vars(mod_paths) $m
set vars(last_module) $m
}
}
}
# force a recomputation of button sizes (bug in ButtonBox)
$dialog.bbox _redraw
$dialog draw
destroy $dialog
}
########## private functions below ##########
proc Apol_Open_Policy_Dialog::_create_dialog {parent} {
variable dialog
variable widgets
variable vars
destroy $dialog
set dialog [Dialog .open_policy_dialog -modal local -parent $parent \
-cancel 1 \
-separator 1 -homogeneous 1 -title "Open Policy"]
set f [$dialog getframe]
set policy_type_f [frame $f.policy_type]
pack $policy_type_f -padx 4 -pady 4 -expand 0 -anchor w
set l [label $policy_type_f.l -text "Policy Type:"]
set mono_cb [radiobutton $policy_type_f.mono -text "Monolithic policy" \
-value monolithic \
-variable Apol_Open_Policy_Dialog::vars(path_type)]
set mod_cb [radiobutton $policy_type_f.mod -text "Modular policy" \
-value modular \
-variable Apol_Open_Policy_Dialog::vars(path_type)]
pack $l -anchor w
pack $mono_cb $mod_cb -anchor w -padx 8
set primary_f [frame $f.primary]
pack $primary_f -padx 4 -pady 8 -expand 0 -fill x
set widgets(main_label) [label $primary_f.l -text "Policy Filename:"]
pack $widgets(main_label) -anchor w
frame $primary_f.f
pack $primary_f.f -expand 1 -fill x
set e [entry $primary_f.f.e -width 32 -bg white \
-textvariable Apol_Open_Policy_Dialog::vars(primary_file) \
-validate key \
-vcmd [list Apol_Open_Policy_Dialog::_validateEntryKey %P]]
bind $e <Key-Return> Apol_Open_Policy_Dialog::tryOpenPolicy
set b [button $primary_f.f.b -text "Browse" \
-command Apol_Open_Policy_Dialog::browsePrimary]
pack $e -side left -expand 1 -fill x -padx 4
pack $b -side right -expand 0 -padx 4
set modules_f [frame $f.modules]
pack $modules_f -pady 4 -padx 4 -expand 1 -fill both
set mod_list_f [frame $modules_f.mods -relief sunken]
pack $mod_list_f -side left -expand 1 -fill both -padx 4
set mlabel [label $mod_list_f.ml -text "Module:"]
set vlabel [label $mod_list_f.vl -text "Version:"]
set plabel [label $mod_list_f.pl -text "Path:"]
grid $mlabel $vlabel $plabel x -sticky w
set dis_bg [$mlabel cget -bg]
set ml [listbox $mod_list_f.mods -height 6 -width 10 \
-listvariable Apol_Open_Policy_Dialog::vars(mod_names)]
set vl [listbox $mod_list_f.vers -height 6 -width 4 \
-listvariable Apol_Open_Policy_Dialog::vars(mod_vers)]
set pl [listbox $mod_list_f.paths -height 6 -width 24 \
-listvariable Apol_Open_Policy_Dialog::vars(mod_paths)]
set sb [scrollbar $mod_list_f.sb -orient vertical \
-command [list Apol_Open_Policy_Dialog::multiscroll yview]]
grid $ml $vl $pl $sb -sticky nsew
set widgets(bb) [ButtonBox $modules_f.bb -homogeneous 1 -orient vertical -pady 2]
$widgets(bb) add -text "Add" -command Apol_Open_Policy_Dialog::browseModule
$widgets(bb) add -text "Remove" -command Apol_Open_Policy_Dialog::removeModule -state disabled
$widgets(bb) add -text "Import" -command Apol_Open_Policy_Dialog::importList
$widgets(bb) add -text "Export" -command Apol_Open_Policy_Dialog::exportList -state disabled
pack $widgets(bb) -side right -expand 0 -anchor n -padx 4 -pady 10
set widgets(listboxes) [list $ml $vl $pl]
set widgets(scrollbar) $sb
foreach lb $widgets(listboxes) {
$lb configure -yscrollcommand Apol_Open_Policy_Dialog::multiyview \
-relief groove -bg white -exportselection 0
bind $lb <<ListboxSelect>> \
[list Apol_Open_Policy_Dialog::multiselect $lb]
}
trace add variable Apol_Open_Policy_Dialog::vars(path_type) write \
[list Apol_Open_Policy_Dialog::togglePathType \
[list $mlabel $vlabel $plabel] $dis_bg]
$dialog add -text "OK" -command Apol_Open_Policy_Dialog::tryOpenPolicy \
-state disabled
$dialog add -text "Cancel"
}
proc Apol_Open_Policy_Dialog::_validateEntryKey {newvalue} {
variable vars
variable dialog
variable widgets
if {$newvalue == {}} {
$dialog itemconfigure 0 -state disabled
$widgets(bb) itemconfigure 3 -state disabled
} else {
$dialog itemconfigure 0 -state normal
if {$vars(path_type) == "modular"} {
$widgets(bb) itemconfigure 3 -state normal
} else {
$widgets(bb) itemconfigure 3 -state disabled
}
}
return 1
}
proc Apol_Open_Policy_Dialog::togglePathType {labels disabled_bg name1 name2 op} {
variable vars
variable widgets
if {$vars(path_type) == "modular"} {
set state normal
set bg white
$widgets(main_label) configure -text "Base Filename:"
} else {
set state disabled
set bg $disabled_bg
$widgets(main_label) configure -text "Policy Filename:"
}
foreach w $labels {
$w configure -state $state
}
foreach w $widgets(listboxes) {
$w configure -state $state -bg $bg
}
$widgets(bb) configure -state $state
if {$state == "normal" && [[lindex $widgets(listboxes) 0] curselection] > 0} {
$widgets(bb) itemconfigure 1 -state normal
} else {
$widgets(bb) itemconfigure 1 -state disabled
}
if {$state == "normal" && $vars(primary_file) != {}} {
$widgets(bb) itemconfigure 3 -state normal
} else {
$widgets(bb) itemconfigure 3 -state disabled
}
}
proc Apol_Open_Policy_Dialog::browsePrimary {} {
variable vars
variable dialog
.open_policy_dialog.frame.primary.f.b configure -state disabled
if {$vars(path_type) == "monolithic"} {
set title "Open Monolithic Policy"
set initDirName {}
} else {
set title "Open Modular Policy"
if {$vars(primary_file) != {} } {
set initDirName [file dirname $vars(primary_file)]
} else {
set initDirName [file dirname $vars(last_module)]
}
}
set f [tk_getOpenFile -initialdir $initDirName \
-initialfile $vars(primary_file) -parent $dialog -title $title]
if {$f != {}} {
set vars(primary_file) $f
$dialog itemconfigure 0 -state normal
}
.open_policy_dialog.frame.primary.f.b configure -state normal
}
proc Apol_Open_Policy_Dialog::browseModule {} {
variable vars
variable dialog
if {$vars(last_module) != {} } {
set initDirName [file dirname $vars(last_module)]
} else {
set initDirName [file dirname $vars(primary_file)]
}
set paths [tk_getOpenFile -initialdir $initDirName \
-initialfile $vars(last_module) -parent $dialog \
-title "Open Module" -multiple 1]
if {$paths == {}} {
return
}
foreach f $paths {
# tk_getOpenFile returns "initialfile" as a selected file, so skip it.
if { $f != $vars(last_module) } {
addModule $f
}
}
}
proc Apol_Open_Policy_Dialog::addModule {f} {
variable vars
variable widgets
if {[lsearch $vars(mod_paths) $f] >= 0} {
tk_messageBox -icon error -type ok -title "Open Module" -message "Module $f was already added." -parent .open_policy_dialog
return
}
if {[catch {getModuleInfo $f} info]} {
tk_messageBox -icon error -type ok -title "Open Module" -message $info -detail "Module file $f" -parent .open_policy_dialog
} else {
foreach {name vers type} $info {break}
if {$type == 1} {
if {$vars(primary_file) != {}} {
if {$vars(primary_file) != $f} {
tk_messageBox -icon error -type ok -title "Open Module" -message "Base already set" -detail "Current $vars(primary_file)\n\nNew file $f\n\nIgnoring new file." -parent .open_policy_dialog
}
return
}
set vars(primary_file) $f
return
}
set vars(mod_names) [lsort [concat $vars(mod_names) $name]]
set i [lsearch $vars(mod_names) $name]
set vars(mod_vers) [linsert $vars(mod_vers) $i $vers]
set vars(mod_paths) [linsert $vars(mod_paths) $i $f]
foreach lb $widgets(listboxes) {
$lb selection clear 0 end
$lb selection set $i
}
[lindex $widgets(listboxes) 0] see $i
set vars(last_module) $f
$widgets(bb) itemconfigure 1 -state normal
}
}
proc Apol_Open_Policy_Dialog::removeModule {} {
variable widgets
set i [[lindex $widgets(listboxes) 0] curselection]
if {[llength $i] > 0} {
foreach lb $widgets(listboxes) {
$lb delete [lindex $i 0]
}
}
$widgets(bb) itemconfigure 1 -state disabled
}
proc Apol_Open_Policy_Dialog::importList {} {
variable vars
variable dialog
variable widgets
set f [tk_getOpenFile -initialdir [file dirname $vars(primary_file)] \
-parent $dialog -title "Import Policy List"]
if {$f == {}} {
return
}
if {[catch {new_apol_policy_path_t $f} ppath]} {
tk_messageBox -icon error -type ok -title "Import Policy List" \
-message "Error importing policy list $f: $ppath"
return
}
foreach lb $widgets(listboxes) {
$lb delete 0 end
}
foreach {path_type primary modules} [policy_path_to_list $ppath] {break}
set vars(path_type) $path_type
if {[set vars(primary_file) $primary] != {}} {
$dialog itemconfigure 0 -state normal
}
set vars(last_module) $f
foreach m $modules {
addModule $m
}
_validateEntryKey $vars(primary_file)
$ppath -acquire
$ppath -delete
}
proc Apol_Open_Policy_Dialog::exportList {} {
variable vars
variable dialog
set f [tk_getSaveFile -parent $dialog -title "Export Policy List"]
if {$f == {}} {
return
}
set ppath [list_to_policy_path $vars(path_type) $vars(primary_file) $vars(mod_paths)]
if {[catch {$ppath to_file $f} err]} {
tk_messageBox -icon error -type ok -title "Export Policy List" \
-message "Error exporting policy list $f: $err"
}
}
proc Apol_Open_Policy_Dialog::multiscroll {args} {
variable widgets
foreach lb $widgets(listboxes) {
eval $lb $args
}
}
proc Apol_Open_Policy_Dialog::multiselect {lb} {
variable widgets
set sellist [$lb curselection]
set enable_remove 0
foreach lb $widgets(listboxes) {
$lb selection clear 0 end
foreach item $sellist {
$lb selection set $item
set enable_remove 1
}
}
if {$enable_remove} {
$widgets(bb) itemconfigure 1 -state normal
}
}
proc Apol_Open_Policy_Dialog::multiyview {args} {
variable widgets
eval $widgets(scrollbar) set $args
multiscroll yview moveto [lindex $args 0]
}
# Generate a policy path and try to open the given policy. Upon
# success end the dialog and return that path. Otherwise do not close
# the dialog.
proc Apol_Open_Policy_Dialog::tryOpenPolicy {} {
variable dialog
variable vars
.open_policy_dialog.bbox.b0 configure -state disabled
if {[string trim $vars(primary_file)] != {}} {
set ppath [list_to_policy_path $vars(path_type) $vars(primary_file) $vars(mod_paths)]
if {[ApolTop::openPolicyPath $ppath] == 0} {
$dialog enddialog {}
}
}
.open_policy_dialog.bbox.b0 configure -state normal
}
# Retrieve information about a policy module file, either source or
# binary, from disk. This will be a 3-ple of module name, version and type.
# The policy module will be closed afterwards.
proc Apol_Open_Policy_Dialog::getModuleInfo {f} {
set mod [new_qpol_module_t $f]
set retval [list [$mod get_name] [$mod get_version] [$mod get_type]]
$mod -acquire
$mod -delete
return $retval
}
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