#!/usr/bin/perl
#
# Copyright (c) 02005 sense.lab <senselab@systemausfall.org>
#
# License: This script is distributed under the terms of version 2
# of the GNU GPL. See the LICENSE file included with the package.
#
# $Id$
#
# the web interface of the CryptoBox
#
###############################################
use strict;
use CGI;
use ClearSilver;
use ConfigFile;
use English;
use CGI::Carp;
use IO::File;
use POSIX;
use constant CRYPTOBOX_VERSION => 0.3;
# debug levels
use constant DEBUG_NONE => 0;
use constant DEBUG_ERROR => 1;
use constant DEBUG_WARN => 2;
use constant DEBUG_INFO => 3;
# drop privileges
$UID = $EUID;
$GID = $EGID;
# necessary for suid perl scripts (see 'man perlsec' for details)
$ENV{'PATH'} = '/bin:/usr/bin';
delete @ENV{qw(IFS CDPATH ENV BASH_ENV)}; # Make %ENV safer
my $CONFIG_FILE = '/etc/cryptobox/cryptobox.conf';
my $pagedata;
my ($LANGUAGE_DIR, $DEFAULT_LANGUAGE, $HTML_TEMPLATE_DIR, $DOC_DIR);
my ($CB_SCRIPT, $LOG_FILE, $IS_DEVEL, $STYLESHEET_URL, $DEBUG_LEVEL);
# get the directory of the cryptobox scripts/binaries and untaint it
$CB_SCRIPT = $0;
$CB_SCRIPT =~ m/^(.*)\/[^\/]*$/;
$CB_SCRIPT = ($1)? "$1/cbox-manage.sh" : './cbox-manage.sh';
&fatal_error ("could not find configuration file ($CONFIG_FILE)") unless (-e $CONFIG_FILE);
my $config = ConfigFile::read_config_file($CONFIG_FILE);
$LOG_FILE = $config->{LOG_FILE};
$LANGUAGE_DIR = $config->{LANGUAGE_DIR};
$DEFAULT_LANGUAGE = $config->{LANGUAGE};
$HTML_TEMPLATE_DIR = $config->{HTML_TEMPLATE_DIR};
$DOC_DIR = $config->{DOC_DIR};
$IS_DEVEL = ( -e $config->{DEV_FEATURES_SCRIPT});
$STYLESHEET_URL = $config->{STYLESHEET_URL};
if (defined($config->{DEBUG_LEVEL})) {
$DEBUG_LEVEL = $config->{DEBUG_LEVEL};
} else {
$DEBUG_LEVEL = DEBUG_ERROR; # default debug level
}
my $query = new CGI;
#################### subs ######################
# for fatal errors without the chance of clearsilver-rendering
sub fatal_error() {
my $message = shift;
print "Content-Type: text/html\n\n";
print "<html><head><title>CryptoBox</title></head>\n";
print "<body>\n";
print '<h1 align="center">' . $message . "</h1>\n";
print "</body></html>\n";
die "[CryptoBox]: $message";
}
sub debug_msg() {
my ($level, $message) = @_;
return 0 unless ($level >= $DEBUG_LEVEL);
warn "[cryptobox]: $message";
}
sub load_hdf {
my $hdf = ClearSilver::HDF->new();
my $fname = "$HTML_TEMPLATE_DIR/main.cs";
&fatal_error ("Template directory is invalid ($fname not found)!") unless (-e "$fname");
$hdf->setValue("Settings.TemplateDir","$HTML_TEMPLATE_DIR");
&fatal_error ("Documentation directory ($DOC_DIR) not found!") unless (-d "$DOC_DIR");
$hdf->setValue("Settings.DocDir","$DOC_DIR");
# if it was requested as directory index (link from index.html), we should
# set a real script name - otherwise links with a query string will break
# ignore POST part of the SCRIPT_NAME (after "&")
(my $script_url = $ENV{'SCRIPT_NAME'}) =~ m/^[^&]*/;
$hdf->setValue("ScriptName", ($ENV{'SCRIPT_NAME'} eq '/')? '/cryptobox' : $script_url );
# set stylesheet url
$hdf->setValue("Settings.Stylesheet",$STYLESHEET_URL);
&load_selected_language($hdf);
&get_available_languages($hdf);
return $hdf;
}
sub load_selected_language {
my $data = shift;
my $config_language;
# load $DEFAULT_LANGUAGE - this is necessary, if a translation is incomplete
$data->readFile("$LANGUAGE_DIR/$DEFAULT_LANGUAGE" . ".hdf");
# load configured language, if it is valid
$config_language = &get_cbox_config("language");
$config_language = $DEFAULT_LANGUAGE unless (&validate_language("$config_language"));
# check for preferred browser language, if the box was not initialized yet
if ( ! &check_config())
{
my $prefLang = &get_browser_language();
# take it, if a supported browser language was found
$config_language = $prefLang unless ($prefLang eq '');
}
######### temporary language setting? ############
# the default language can be overriden by the language links in the
# upper right of the page
if ($query->param('weblang')) {
my $weblang = $query->param('weblang');
if (&validate_language($weblang)) {
# load the data
$config_language = "$weblang";
# add the setting to every link
# how it should be done now ...
$data->setValue('Settings.LinkAttrs.weblang', "$weblang");
# old way of doing this ... (TODO: to be removed)
$data->setValue('Data.PostData.weblang', "$weblang");
} else {
# no valid language was selected - so you may ignore it
$data->setValue('Data.Warning', 'InvalidLanguage');
}
}
# import the configured resp. the temporarily selected language
$data->readFile("$LANGUAGE_DIR/$config_language" . ".hdf");
########## select documentation language ##########
if (&validate_doc_language($config_language)) {
# selected web interface language
$data->setValue('Settings.DocLang', "$config_language");
} elsif (&validate_doc_language($DEFAULT_LANGUAGE)) {
# configured CryptoBox language
$data->setValue('Settings.DocLang', "$DEFAULT_LANGUAGE");
} else {
# default hardcoded language (english)
$data->setValue('Settings.DocLang', "en");
}
}
# import the names of all available languages
sub get_available_languages {
my $data = shift;
my ($file, @files, $hdf, $lang_name);
opendir(DIR, $LANGUAGE_DIR) or &fatal_error ("Language directory ($LANGUAGE_DIR) not accessible!");
@files = sort grep { /.*\.hdf$/ } readdir(DIR);
close(DIR);
foreach $file (@files) {
$hdf = ClearSilver::HDF->new();
$hdf->readFile("$LANGUAGE_DIR/$file");
substr($file, -4) = "";
$lang_name = $hdf->getValue("Lang.Name", "$file");
$data->setValue("Data.Languages." . "$file", "$lang_name");
}
}
# look for preferred browser language setting
# this code was adapted from Per Cederberg - http://www.percederberg.net/home/perl/select.perl
# it returns an empty string, if no supported language was found
sub get_browser_language {
my ($str, @langs, @res);
# Use language preference settings
if ($ENV{'HTTP_ACCEPT_LANGUAGE'} ne '')
{
@langs = split(/,/, $ENV{'HTTP_ACCEPT_LANGUAGE'});
foreach (@langs)
{
# get the first part of the language setting
($str) = ($_ =~ m/([a-z]+)/);
# check, if it supported by the cryptobox
$res[$#res+1] = $str if validate_language($str);
}
}
# if everything fails - return empty string
$res[0] = "" if ($#res lt 0);
return $res[0];
}
sub log_msg {
my $text = shift;
open(LOGFILE,">> $LOG_FILE");
print LOGFILE "$text";
close(LOGFILE);
}
sub check_ssl {
# check, if we are behind a proxy with ssl (e.g. pound)
return (0==0) if ($ENV{'HTTP_FRONT_END_HTTPS'} =~ m/^on$/i);
# environment variable set (e.g. via apache directive "SetEnv HTTPS On")
return (0==0) if ($ENV{'HTTPS'} =~ m/^on$/i);
# port 80 -> not encrypted
return (0==1) if ($ENV{'SERVER_PORT'} == 80);
# other ports -> maybe ok - we accept it
return (0==0);
}
# check, if the given device is mounted/used somehow
# Paramter: device
sub check_mounted {
my ($dev) = @_;
return (system($CB_SCRIPT,"is_mounted",$dev) == 0);
}
sub check_config {
return (system($CB_SCRIPT,"check_config") == 0);
}
sub exec_cb_script {
my (@params) = @_;
my ($pid, @result);
&fatal_error("unable to fork process") unless defined($pid = open(PROG_OUT, "-|"));
if (!$pid) {
# child
exec($CB_SCRIPT, @params) or &fatal_error("failed to execute $CB_SCRIPT!");
exit 0;
} else {
# parent
# only read lines containing at least one non-whitespace character
@result = grep /\S/, <PROG_OUT>;
foreach (@result) { chomp; }
unless (close PROG_OUT) {
&debug_msg(DEBUG_WARN, "error while running $CB_SCRIPT (params:" . join(" ",@params) . "): $?");
return undef;
}
}
if (wantarray) {
return @result;
} elsif (@result > 0) {
return join('',@result);
} else {
return "";
}
}
sub check_init_running {
# TODO: improve this
return (0==1);
}
# Parameter: device
sub check_device_plaintext {
return (system("$CB_SCRIPT","is_plain",$1) == 0);
}
# Parameter: device
sub check_device_encryption {
return (system("$CB_SCRIPT","is_encrypted",$1) == 0);
}
sub is_harddisk_available {
my @all_disks = &exec_cb_script("get_available_disks");
return @all_disks > 0;
}
sub get_available_disks {
my @all_disks = &exec_cb_script("get_available_disks");
my ($disk, @return_disks);
foreach $disk (@all_disks) {
$disk =~ m#^([/\._\-\w]*)$#;
push @return_disks, $1 if ($1);
}
return @return_disks;
}
sub get_disk_name {
my ($dev) = @_;
my $disk_name = &exec_cb_script("get_device_name", $dev);
return $disk_name;
}
# return the value of a configuration setting (timeout, language, ip, ...)
# Parameter: setting_name
sub get_cbox_config {
my ($setting) = @_;
# tell the exec function, that we want a scalar instead of an array
my $scalar = &exec_cb_script("get_config",$setting);
return $scalar;
}
sub render {
my $pagefile = "$HTML_TEMPLATE_DIR/main.cs";
print "Content-Type: text/html\n\n";
my $cs = ClearSilver::CS->new($pagedata);
$cs->parseFile($pagefile);
print $cs->render();
}
# mount an encrypted volume
# Parameter: device password
sub mount_vol {
my ($device, $pw) = @_;
if (&check_mounted($device)) {
$pagedata->setValue('Data.Warning', 'IsMounted');
} else {
if ($pw eq '') {
&exec_cb_script("crypto-up", $device);
} else {
open(PW_INPUT, "| $CB_SCRIPT crypto-up $device");
print PW_INPUT $pw;
close(PW_INPUT);
}
}
}
# unmount a volume
# Parameter: device
sub umount_vol {
my ($device) = @_;
if (&check_mounted($device)) {
system($CB_SCRIPT, "crypto-down",$device);
} else {
$pagedata->setValue('Data.Warning', 'NotMounted');
}
}
# Parameter: device passphrase
# ignore passphrase (or leave it empty) to create a plaintext volume
sub volume_init {
my ($device, $crypto_pw) = @_;
my $result;
# only for encrypted volumes:
# write passphrase to a file - necessary as perl in secured mode does not allow
# the 'open(FH, "|/bin/prog ....")' call because of possible shell expansion - stupid 'open' :(
if ($crypto_pw) {
my ($fh, $temp_file);
# generate a temporary filename (as suggested by the Perl Cookbook)
do { $temp_file = POSIX::tmpnam() }
# TODO: reduce the file mask to the minimum - maybe 0600 would be a good choice
until $fh = IO::File->new($temp_file, O_RDWR|O_CREAT|O_EXCL);
close $fh;
unless (open(TMP, ">$temp_file")) {
&debug_msg(DEBUG_ERROR, "could not open a temporary file");
return (1==0);
}
print TMP $crypto_pw;
close TMP;
$result = &exec_cb_script("device_init", $device, $temp_file);
unlink ($temp_file) if (-e $temp_file);
} else {
$result = &exec_cb_script("device_init", $device);
}
# just to be sure, that the file does not get left behind
# usually the script should overwrite and remove it
return defined($result);
}
sub box_purge {
&exec_cb_script("box-purge");
}
sub system_poweroff {
&exec_cb_script("poweroff");
}
sub system_reboot {
&exec_cb_script("reboot");
}
sub validate_ip {
my $ip = shift;
my @octets = split /\./, $ip;
return 0 if ($#octets == 4);
# check for values and non-digits
return 0 if (($octets[0] <= 0) || ($octets[0] >= 255) || ($octets[0] =~ /\D/));
return 0 if (($octets[1] < 0) || ($octets[1] >= 255) || ($octets[1] =~ /\D/));
return 0 if (($octets[2] < 0) || ($octets[2] >= 255) || ($octets[2] =~ /\D/));
return 0 if (($octets[3] <= 0) || ($octets[3] >= 255) || ($octets[3] =~ /\D/));
return 1;
}
sub validate_timeout {
my $timeout = shift;
return 0 if ($timeout =~ /\D/);
return 1;
}
# check for a valid interface language
sub validate_language {
my $language = shift;
# check for non-alphanumeric character
return 0 if ($language =~ /\W/);
return 0 if ($language eq "");
return 0 if ( ! -e "$LANGUAGE_DIR/$language" . '.hdf');
return 1;
}
# check for a valid documentation language
sub validate_doc_language {
my $language = shift;
# check for non-alphanumeric character
return 0 if ($language =~ /\W/);
return 0 if ($language eq "");
return 0 if ( ! -e "$DOC_DIR/$language");
return 1;
}
################### main #########################
$pagedata = load_hdf();
my $current_admin_pw;
my $action = $query->param('action');
$action =~ m#^([\w\._\-]*)$#;
$action = ($1)? $1 : '';
my $device = $query->param('device');
$device =~ m#^([/_\-\w\.]*)$#;
$device = ($1)? $1 : '';
# BEWARE: there are two kinds of actions:
# * some require a harddisk
# * some do not require a harddisk
# take care, that you put a new action into the appropriate block below
# first: check for ssl!
if ( ! &check_ssl()) {
$pagedata->setValue('Data.Error', 'NoSSL');
# remove port number from HTTP_HOST
my $hostname = $ENV{'HTTP_HOST'};
$hostname =~ s/:[0-9]*//;
$pagedata->setValue('Data.Redirect.URL', "https://" . $hostname . $ENV{'SCRIPT_NAME'});
$pagedata->setValue('Data.Redirect.Delay', "3");
} elsif ($query->param('action')) {
#--------------------------------------------------------------#
# here you may define all cases that do not require a harddisk #
# put all other cases below the harddisk check #
#--------------------------------------------------------------#
#################### show_log #######################
if ($action eq 'show_log') {
$pagedata->setValue('Data.Action', 'show_log');
##################### doc ############################
} elsif ($action eq 'doc') {
if ($query->param('page')) {
$pagedata->setValue('Data.Doc.Page', $query->param('page'));
$pagedata->setValue('Data.Action', 'show_doc');
} else {
$pagedata->setValue('Data.Doc.Page', 'CryptoBoxUser');
$pagedata->setValue('Data.Action', 'show_doc');
}
##################### poweroff ######################
} elsif ($action eq 'system_ask') {
$pagedata->setValue('Data.Action', 'form_system');
##################### reboot ########################
} elsif ($action eq 'shutdown_do') {
if ($query->param('type') eq 'reboot') {
&system_reboot();
$pagedata->setValue('Data.Success', 'ReBoot');
$pagedata->setValue('Data.Redirect.Action', 'show_status');
$pagedata->setValue('Data.Redirect.Delay', "180");
} else {
&system_poweroff();
$pagedata->setValue('Data.Success', 'PowerOff');
}
$pagedata->setValue('Data.Action', 'empty');
##################### check for a harddisk ##########################
# catch this error, to prevent all following actions from execution #
#####################################################################
} elsif ( ! &is_harddisk_available()) {
$pagedata->setValue('Data.Error', 'NoHardDisk');
#-------------------------------------------------------#
# here you may define all cases that require a harddisk #
#-------------------------------------------------------#
################ umount_do #######################
} elsif ($action eq 'umount_do') {
if ($device eq '') {
&debug_msg(DEBUG_INFO, "invalid device: " . $query->param('device'));
$pagedata->setValue('Data.Warning', 'InvalidDevice');
$pagedata->setValue('Data.Action', 'emptu');
} elsif ( ! &check_config()) {
$pagedata->setValue('Data.Warning', 'NotInitialized');
$pagedata->setValue('Data.Action', 'form_init');
} elsif (&check_init_running()) {
$pagedata->setValue('Data.Warning', 'InitNotFinished');
$pagedata->setValue('Data.Action', 'empty');
$pagedata->setValue('Data.Redirect.Action', 'form_config');
$pagedata->setValue('Data.Redirect.Delay', "30");
} elsif ( ! &check_mounted($device)) {
$pagedata->setValue('Data.Warning', 'NotMounted');
$pagedata->setValue('Data.Action', 'show_volume');
} else {
# unmounten
&umount_vol($device);
if (&check_mounted($device)) {
$pagedata->setValue('Data.Warning', 'UmountFailed');
$pagedata->setValue('Data.Action', 'show_volume');
} else {
#$pagedata->setValue('Data.Success', 'UmountDone');
$pagedata->setValue('Data.Action', 'show_volume');
}
}
################ mount_do ########################
} elsif ($action eq 'mount_do') {
my $is_encrypted = &check_device_encryption($device) if ($device ne '');
if ($device eq '') {
&debug_msg(DEBUG_INFO, "invalid device: " . $query->param('device'));
$pagedata->setValue('Data.Warning', 'InvalidDevice');
$pagedata->setValue('Data.Action', 'empty');
} elsif ( ! &check_config()) {
$pagedata->setValue('Data.Warning', 'NotInitialized');
$pagedata->setValue('Data.Action', 'form_init');
} elsif (&check_init_running()) {
$pagedata->setValue('Data.Warning', 'InitNotFinished');
$pagedata->setValue('Data.Action', 'empty');
$pagedata->setValue('Data.Redirect.Action', 'form_config');
$pagedata->setValue('Data.Redirect.Delay', "30");
} elsif (&check_mounted($device)) {
$pagedata->setValue('Data.Warning', 'IsMounted');
$pagedata->setValue('Data.Action', 'show_volume');
} elsif ($is_encrypted && ($query->param('crypto_password') eq '')) {
# leeres Passwort
$pagedata->setValue('Data.Warning', 'EmptyCryptoPassword');
$pagedata->setValue('Data.Action', 'show_volume');
} else {
# mounten
if ($is_encrypted) {
&mount_vol($device, $query->param('crypto_password'));
} else {
&mount_vol($device);
}
if (!&check_mounted($device)) {
$pagedata->setValue('Data.Warning', 'MountFailed');
$pagedata->setValue('Data.Action', 'show_volume');
} else {
#$pagedata->setValue('Data.Success', 'MountDone');
$pagedata->setValue('Data.Action', 'show_volume');
}
}
################## mount_ask #######################
} elsif ($action eq 'mount_ask') {
if ( ! &check_config()) {
$pagedata->setValue('Data.Warning', 'NotInitialized');
$pagedata->setValue('Data.Action', 'form_init');
} elsif (&check_init_running()) {
$pagedata->setValue('Data.Warning', 'InitNotFinished');
$pagedata->setValue('Data.Action', 'empty');
$pagedata->setValue('Data.Redirect.Action', 'form_config');
$pagedata->setValue('Data.Redirect.Delay', "30");
} else {
$pagedata->setValue('Data.Action', 'form_mount');
}
################# umount_ask ########################
} elsif ($action eq 'umount_ask') {
if ( ! &check_config()) {
$pagedata->setValue('Data.Warning', 'NotInitialized');
$pagedata->setValue('Data.Action', 'form_init');
} else {
$pagedata->setValue('Data.Action', 'form_umount');
}
################## init_ask #########################
} elsif ($action eq 'init_ask') {
if (&check_init_running()) {
$pagedata->setValue('Data.Warning', 'InitNotFinished');
$pagedata->setValue('Data.Action', 'form_config');
} elsif (&check_config()) {
$pagedata->setValue('Data.Warning', 'AlreadyConfigured');
$pagedata->setValue('Data.Action', 'form_init');
} else {
$pagedata->setValue('Data.Action', 'form_init');
}
#################### init_do ########################
} elsif ($action eq 'init_do') {
$current_admin_pw = &get_cbox_config("admin_pw");
if ($current_admin_pw ne '' && $current_admin_pw ne $query->param('current_admin_password')) {
$pagedata->setValue('Data.Warning', 'WrongAdminPassword');
$pagedata->setValue('Data.Action', 'form_init');
} elsif ($query->param('admin_password') ne $query->param('admin_password2')) {
# different admin-passwords
$pagedata->setValue('Data.Warning', 'DifferentAdminPasswords');
$pagedata->setValue('Data.Action', 'form_init');
} elsif ($query->param('crypto_password') ne $query->param('crypto_password2')) {
# different crypto-passwords
$pagedata->setValue('Data.Warning', 'DifferentCryptoPasswords');
$pagedata->setValue('Data.Action', 'form_init');
} elsif ($query->param('crypto_password') eq '') {
# empty password
$pagedata->setValue('Data.Warning', 'EmptyCryptoPassword');
$pagedata->setValue('Data.Action', 'form_init');
} elsif ($query->param('confirm') ne $pagedata->getValue('Lang.Text.ConfirmInit','')) {
# wrong confirm string
$pagedata->setValue('Data.Warning', 'InitNotConfirmed');
$pagedata->setValue('Data.Action', 'form_init');
} else {
if (&volume_init($query->param('crypto_password'),$query->param('admin_password'))) {
#$pagedata->setValue('Data.Success', 'InitRunning');
$pagedata->setValue('Data.Action', 'form_config');
} else {
$pagedata->setValue('Data.Error', 'InitFailed');
}
}
#################### config_ask ######################
} elsif ($action eq 'config_ask') {
if ( ! &check_config()) {
$pagedata->setValue('Data.Warning', 'NotInitialized');
$pagedata->setValue('Data.Action', 'form_init');
} else {
$pagedata->setValue('Data.Action', 'form_config');
}
#################### config_do #######################
} elsif ($action eq 'config_do') {
my $query_language = $query->param('language');
$query_language =~ m/^(\w+)$/; $query_language = $1;
my $query_timeout = $query->param('timeout');
$query_timeout =~ m/^(\d+)$/; $query_timeout = $1;
if ( ! &check_config()) {
$pagedata->setValue('Data.Warning', 'NotInitialized');
$pagedata->setValue('Data.Action', 'form_init');
} else {
$current_admin_pw = &get_cbox_config("admin_pw");
if ($current_admin_pw ne '' && $current_admin_pw ne $query->param('current_admin_password')) {
$pagedata->setValue('Data.Warning', 'WrongAdminPassword');
$pagedata->setValue('Data.Action', 'form_config');
} elsif ( ! &validate_language($query_language)) {
$pagedata->setValue('Data.Warning', 'InvalidLanguage');
$pagedata->setValue('Data.Action', 'form_config');
} elsif ( ! &validate_timeout($query_timeout)) {
$pagedata->setValue('Data.Warning', 'InvalidTimeOut');
$pagedata->setValue('Data.Action', 'form_config');
} else {
system($CB_SCRIPT, "set_config", "language", $query_language);
&load_selected_language($pagedata);
system($CB_SCRIPT, "set_config", "timeout", $query_timeout);
# check, if the ip was reconfigured
# TODO: IP stuff should be moved to the live-cd stuff
if (defined($query->param('ip')) && ($query->param('ip') ne &get_cbox_config("ip"))) {
# set the new value
system($CB_SCRIPT, "set_config", "ip", $query->param('ip'));
# redirect to the new address
$pagedata->setValue('Data.Redirect.URL', "https://" . $query->param('ip') . $ENV{'SCRIPT_NAME'});
$pagedata->setValue('Data.Redirect.Delay', "5");
# display a warning for the redirection
$pagedata->setValue('Data.Warning', 'IPAddressChanged');
}
# check for success
if (defined($query->param('timeout'))
&& (&get_cbox_config("timeout") ne $query->param('timeout'))) {
$pagedata->setValue('Data.Warning', 'ConfigTimeOutFailed');
} elsif (defined($query->param('ip')) &&
(&get_cbox_config("ip") ne $query->param('ip'))) {
$pagedata->setValue('Data.Warning', 'ConfigIPFailed');
} elsif (defined($query->param('language'))
&& (&get_cbox_config("language") ne $query->param('language'))) {
$pagedata->setValue('Data.Warning', 'ConfigLanguageFailed');
} else {
#$pagedata->setValue('Data.Success', 'ConfigSaved');
}
$pagedata->setValue('Data.Action', 'show_status');
$pagedata->setValue('Data.Redirect.Action', 'show_status');
$pagedata->setValue('Data.Redirect.Delay', "30");
}
}
############## change volume name ###################
} elsif ($action eq 'volume_name_set') {
my $volume_name = $query->param('volume_name');
# remove all special characters which are not white-listed
$volume_name =~ s#[^\w \-_\#/\(\)\[\]]##g;
# untaint variable
$volume_name =~ m#^(.*)$#; $volume_name = $1;
if ($device eq '') {
&debug_msg(DEBUG_INFO, "invalid device: " . $query->param('device'));
$pagedata->setValue('Data.Warning', 'InvalidDevice');
$pagedata->setValue('Data.Action', 'show_status');
} elsif (&check_mounted($device)) {
$pagedata->setValue('Data.Warning','VolumeMayNotBeMounted');
$pagedata->setValue('Data.Action', 'show_volume');
} elsif ($volume_name eq '') {
$pagedata->setValue('Data.Warning','InvalidVolumeName');
$pagedata->setValue('Data.Action', 'show_volume');
} else {
&exec_cb_script('set_device_name',$device,$volume_name);
my $new_volume_name = &exec_cb_script('get_device_name',$device);
$pagedata->setValue('Data.Warning','SetVolumeNameFailed') unless ($new_volume_name eq $volume_name);
$pagedata->setValue('Data.Action', 'show_volume');
}
############ initialize volume (form) ###############
} elsif ($action eq 'volume_init_ask') {
if ($device eq '') {
&debug_msg(DEBUG_INFO, "invalid device: " . $query->param('device'));
$pagedata->setValue('Data.Warning', 'InvalidDevice');
$pagedata->setValue('Data.Action', 'show_status');
} elsif (&check_mounted($device)) {
$pagedata->setValue('Data.Warning','VolumeMayNotBeMounted');
$pagedata->setValue('Data.Action', 'show_volume');
} else {
$pagedata->setValue('Data.CurrentDisk.InitParams.encrypted',defined($query->param('encryption'))? 1 : 0);
$pagedata->setValue('Data.Action', 'form_init_partition');
}
############### initialize volume ###################
} elsif ($action eq 'volume_init_do') {
$current_admin_pw = &get_cbox_config("admin_pw");
# remember the current "encryption" setting - just in case, we want to emit a warning and
# return to the same screen
$pagedata->setValue('Data.CurrentDisk.InitParams.encrypted',defined($query->param('encryption'))? 1 : 0);
if ($device eq '') {
&debug_msg(DEBUG_INFO, "invalid device: " . $query->param('device'));
$pagedata->setValue('Data.Warning', 'InvalidDevice');
$pagedata->setValue('Data.Action', 'show_status');
} elsif (&check_mounted($device)) {
$pagedata->setValue('Data.Warning','VolumeMayNotBeMounted');
$pagedata->setValue('Data.Action', 'show_volume');
} elsif ($current_admin_pw ne ''
&& $current_admin_pw ne $query->param('current_admin_password')) {
$pagedata->setValue('Data.Warning', 'WrongAdminPassword');
$pagedata->setValue('Data.Action', 'form_init_partition');
} elsif (defined($query->param('encryption')) && ($query->param('crypto_password') ne $query->param('crypto_password2'))) {
# different crypto-passwords
$pagedata->setValue('Data.Warning', 'DifferentCryptoPasswords');
$pagedata->setValue('Data.Action', 'form_init_partition');
} elsif (defined($query->param('encryption')) && ($query->param('crypto_password') eq '')) {
# empty password
$pagedata->setValue('Data.Warning', 'EmptyCryptoPassword');
$pagedata->setValue('Data.Action', 'form_init_partition');
} elsif ($query->param('confirm') ne $pagedata->getValue('Lang.Text.ConfirmInit','')) {
# wrong confirm string
$pagedata->setValue('Data.Warning', 'InitNotConfirmed');
$pagedata->setValue('Data.Action', 'form_init_partition');
} else {
my $init_result;
if (defined($query->param('encryption'))) {
$init_result = &volume_init($device,$query->param('crypto_password'));
} else {
$init_result = &volume_init($device);
}
if ($init_result) {
#$pagedata->setValue('Data.Success', 'InitRunning');
$pagedata->setValue('Data.Action', 'show_volume');
} else {
$pagedata->setValue('Data.Error', 'InitFailed');
$pagedata->setValue('Data.Action', 'show_volume');
}
}
################## volume info ######################
} elsif ($action eq 'show_volume') {
if ($device eq '') {
&debug_msg(DEBUG_INFO, "invalid device: " . $query->param('device'));
$pagedata->setValue('Data.Warning', 'InvalidDevice');
$pagedata->setValue('Data.Action', 'show_status');
} else {
$pagedata->setValue('Data.Action', 'show_volume');
}
#################### status #########################
} elsif ($action eq 'show_status') {
if ( ! &check_config()) {
$pagedata->setValue('Data.Warning', 'NotInitialized');
$pagedata->setValue('Data.Action', 'form_init');
} elsif (&check_init_running()) {
$pagedata->setValue('Data.Warning', 'InitNotFinished');
$pagedata->setValue('Data.Action', 'empty');
$pagedata->setValue('Data.Redirect.Action', 'form_config');
$pagedata->setValue('Data.Redirect.Delay', "30");
} else {
$pagedata->setValue('Data.Action', 'show_status');
$pagedata->setValue('Data.Redirect.Action', 'show_status');
$pagedata->setValue('Data.Redirect.Delay', "60");
}
################### box_purge #######################
# if we find an existing config partition, then check the adminpw
} elsif ($action eq 'do_purge') {
if ( &check_config()) {
$current_admin_pw = &get_cbox_config("admin_pw");
if ($current_admin_pw ne '' && $current_admin_pw ne $query->param('current_admin_password')) {
$pagedata->setValue('Data.Warning', 'WrongAdminPassword');
$pagedata->setValue('Data.Action', 'form_config');
} else {
&box_purge;
$pagedata->setValue('Data.Action', 'form_init');
}
}
################### unknown #########################
} else {
$pagedata->setValue('Data.Error', 'UnknownAction');
}
#################### default action ##########################
# check for a harddisk again, as this check was skipped
# because there was no action defined
} elsif ( ! &is_harddisk_available()) {
$pagedata->setValue('Data.Error', 'NoHardDisk');
} else {
if (&check_init_running()) {
$pagedata->setValue('Data.Warning', 'InitNotFinished');
$pagedata->setValue('Data.Action', 'empty');
$pagedata->setValue('Data.Redirect.Action', 'form_config');
$pagedata->setValue('Data.Redirect.Delay', "60");
} elsif (&check_config()) {
$pagedata->setValue('Data.Action', 'show_status');
$pagedata->setValue('Data.Redirect.Action', 'show_status');
$pagedata->setValue('Data.Redirect.Delay', "60");
} else {
$pagedata->setValue('Data.Action', 'form_init');
}
}
# check state of the cryptobox
$pagedata->setValue('Data.Status.Config', &check_config() ? 1 : 0);
$pagedata->setValue('Data.Status.InitRunning', &check_init_running() ? 1 : 0);
my $output = &get_cbox_config("admin_pw");
$pagedata->setValue('Data.Config.AdminPasswordIsSet', 1) if ($output ne '');
$output = join ("<br/>", &exec_cb_script("diskinfo"));
$pagedata->setValue('Data.PartitionInfo',"$output");
# preset config settings for clearsilver
$pagedata->setValue('Data.Config.IP', &get_cbox_config("ip"));
$pagedata->setValue('Data.Config.TimeOut', &get_cbox_config("timeout"));
$pagedata->setValue('Data.Config.Language', &get_cbox_config("language"));
# read log and add html linebreaks
$output = '';
if (-e "$LOG_FILE") {
open(LOGFILE, "< $LOG_FILE");
while (<LOGFILE>) { $output .= "$_<br/>" }
close(LOGFILE);
}
$pagedata->setValue('Data.Log',"$output");
$pagedata->setValue('Data.Status.DevelopmentMode', 1) if ($IS_DEVEL);
# save QUERY_STRING (e.g. for weblang-links)
my $querystring = $ENV{'QUERY_STRING'};
# remove weblang setting
$querystring =~ s/weblang=\w\w&?//;
$pagedata->setValue('Data.QueryString', "$querystring") if ($querystring ne '');
$pagedata->setValue('Data.Version', CRYPTOBOX_VERSION);
my ($one_disk, $one_name, $isActive, $isEncrypted, $isPlaintext);
my $avail_counter = 0; my $active_counter = 0; my $passive_counter = 0;
for $one_disk (&get_available_disks()) {
$one_name = &get_disk_name($one_disk);
$isEncrypted = &check_device_encryption($one_disk);
$isPlaintext = &check_device_plaintext($one_disk);
$pagedata->setValue("Data.Disks.available.${avail_counter}.device",$one_disk);
$pagedata->setValue("Data.Disks.available.${avail_counter}.name",$one_name);
$pagedata->setValue("Data.Disks.available.${avail_counter}.encryption", $isEncrypted? 1 : 0);
$pagedata->setValue("Data.Disks.available.${avail_counter}.plaintext", $isPlaintext? 1 : 0);
$isActive = &check_mounted($one_disk);
if ($isActive) {
$pagedata->setValue("Data.Disks.available.${avail_counter}.isActive",1);
$pagedata->setValue("Data.Disks.active.${active_counter}.device",$one_disk);
$pagedata->setValue("Data.Disks.active.${active_counter}.name",$one_name);
$pagedata->setValue("Data.Disks.active.${active_counter}.encryption", $isEncrypted? 1 : 0);
$pagedata->setValue("Data.Disks.active.${active_counter}.plaintext", $isPlaintext? 1 : 0);
$active_counter++;
} else {
$pagedata->setValue("Data.Disks.available.${avail_counter}.isActive",0);
$pagedata->setValue("Data.Disks.passive.${passive_counter}.device",$one_disk);
$pagedata->setValue("Data.Disks.passive.${passive_counter}.name",$one_name);
$pagedata->setValue("Data.Disks.passive.${passive_counter}.encryption", $isEncrypted? 1 : 0);
$pagedata->setValue("Data.Disks.passive.${passive_counter}.plaintext", $isPlaintext? 1 : 0);
$passive_counter++;
}
if ($device eq $one_disk) {
$pagedata->setValue('Data.CurrentDisk.device', $one_disk);
$pagedata->setValue('Data.CurrentDisk.name', $one_name);
$pagedata->setValue('Data.CurrentDisk.active', $isActive? 1 : 0);
$pagedata->setValue("Data.CurrentDisk.encryption", $isEncrypted? 1 : 0);
$pagedata->setValue("Data.CurrentDisk.plaintext", $isPlaintext? 1 : 0);
# retrieve capacity information if the device is mounted
if (&check_mounted($device)) {
my $cap_info = &exec_cb_script("get_capacity_info",$device);
# filter the relevant values (a simple split is not working, as the device name may
# contain spaces
$cap_info =~ m#^.*\s+([0-9\.,]+\w)\s+([0-9\.,]+\w)\s+([0-9\.,]+\w)\s+([0-9\.,]+\%)\s+#;
my ($cap_size, $cap_used, $cap_free, $cap_percent) = ($1, $2, $3, $4);
$pagedata->setValue('Data.CurrentDisk.capacity.used', $cap_used);
$pagedata->setValue('Data.CurrentDisk.capacity.free', $cap_free);
$pagedata->setValue('Data.CurrentDisk.capacity.size', $cap_size);
$pagedata->setValue('Data.CurrentDisk.capacity.percent', $cap_percent);
}
}
$avail_counter++;
}
&render();
close STDOUT;
exit 0;