From a40539a6799cbf5fff83b79d477b9a4445267f16 Mon Sep 17 00:00:00 2001
From: Andrew Sichevoi <k@thekondor.net>
Date: Tue, 1 May 2012 14:48:49 +0400
Subject: [PATCH] Initial version

---
 etc.default.truecrypt   |  35 ++++++++++
 usr.bin.truecrypt-mount | 137 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 172 insertions(+)
 create mode 100644 etc.default.truecrypt
 create mode 100755 usr.bin.truecrypt-mount

diff --git a/etc.default.truecrypt b/etc.default.truecrypt
new file mode 100644
index 0000000..bb56fe8
--- /dev/null
+++ b/etc.default.truecrypt
@@ -0,0 +1,35 @@
+### TrueCrypt Extra root configuration
+### This file is a part of `truecrypt-extra`
+###
+### (c) Andrew Sichevoi, http://thekondor.net
+### Distributed in the terms of GNU GPL v3.0+ license
+###
+### The latest version is available on http://git.thekondor.net
+
+### application: [common]
+### description: specifies a path to TrueCrypt binary
+### default    : /usr/bin/truecrypt 
+TRUECRYPT_BINARY=/usr/bin/truecrypt
+
+### application: truecrypt-mount
+### description: specifies user's root directory where all TC's volumes to are mounted in
+###              %username% is substituted with a name of the user
+### default    : /home/%username%/.mount/encrypted
+USER_MOUNT_ROOT=/home/%username%/.mount/encrypted
+
+### application: truecrypt-mount
+### description: specifies should be a newly mounted TC's volume immediately shown
+###              in the File Browser or not.
+### default    : true
+EXPLORE_MOUNTED_VOLUME=true
+
+### application: truecrypt-mount
+### description: specifies the way errors are reported while mounting TC's volumes.
+###              %error% is substituted with the real error message
+### default    : to the console, throuh /bin/echo
+ERROR_REPORTING_CHANNEL='/usr/bin/zenity --error --no-markup --title=TrueCrypt --text="%error%"'
+
+### Alternative ways:
+### ERROR_REPORTING_CHANNEL='/bin/echo %error%'
+### ERROR_REPORTING_CHANNEL='/usr/bin/notify-send --app-name=TrueCrypt --icon=error "TrueCrypt mount error" "%error%"'
+
diff --git a/usr.bin.truecrypt-mount b/usr.bin.truecrypt-mount
new file mode 100755
index 0000000..85fd468
--- /dev/null
+++ b/usr.bin.truecrypt-mount
@@ -0,0 +1,137 @@
+#!/bin/sh 
+
+### TrueCrypt Mount wrapper
+### This file is a part of `truecrypt-extra`
+###
+### (c) Andrew Sichevoi, http://thekondor.net
+### Distributed in the terms of GNU GPL v3.0+ license
+###
+### The latest version is available on http://git.thekondor.net
+
+if [ -f /etc/default/truecrypt ]; then
+  . /etc/default/truecrypt
+fi
+
+run_textual_truecrypt()
+{
+  ${TRUECRYPT_BINARY} --text --non-interactive $@ 2>/dev/null
+}
+
+run_regular_truecrypt()
+{
+  ${TRUECRYPT_BINARY} $@
+}
+
+setup_defaults_if_not_available()
+{
+  DEFAULT_USER_MOUNT_ROOT=/home/%username%/.mount/encrypted
+
+  if [ -z "${USER_MOUNT_ROOT}" ]; then
+    USER_MOUNT_ROOT=${DEFAULT_USER_MOUNT_ROOT}
+  fi
+
+  DEFAULT_TRUECRYPT_BINARY=/usr/bin/truecrypt
+  if [ -z "${TRUECRYPT_BINARY}" ]; then
+    TRUECRYPT_BINARY=${DEFAULT_TRUECRYPT_BINARY}
+  fi
+
+  DEFAULT_EXPLORE_MOUNTED_VOLUME=true
+  if [ -z "${EXPLORE_MOUNTED_VOLUME}" ]; then
+    EXPLORE_MOUNTED_VOLUME=${DEFAULT_EXPLORE_MOUNTED_VOLUME}
+  fi
+
+  DEFAULT_ERROR_REPORTING_CHANNEL='/bin/echo %error%'
+  if [ -z "${ERROR_REPORTING_CHANNEL}" ]; then
+    ERROR_REPORTING_CHANNEL=${DEFAULT_ERROR_REPORTING_CHANNEL}
+  fi
+}
+
+check_if_mount_point_already_used()
+{
+  _MOUNT_POINT_DIR=$1
+  _IS_LISTED_IN_TRUECRYPT=$(run_textual_truecrypt --list | grep "${_MOUNT_POINT_DIR}" -c)
+  if [ 0 -eq $? -a ! 0 -eq ${_IS_LISTED_IN_TRUECRYPT} ]; then
+    raise_error "Error: mount point '${_MOUNT_POINT_DIR}' is already used by truecrypt. It cannot be used right now."
+  fi
+}
+
+check_if_truecrypt_available()
+{
+  if [ ! -x "${TRUECRYPT_BINARY}" ]; then
+    raise_error "Error: Truecrypt (${TRUECRYPT_BINARY}) is not available"
+  fi
+}
+
+raise_error()
+{
+  _ERROR_MESSAGE=$(/bin/echo -n "$@" | sed -e 's/\\/\\\\/g' | sed -e "s/\//::/g" | tr \" \')
+  _ERROR_CMD=$(/bin/echo ${ERROR_REPORTING_CHANNEL} | sed -e "s/%error%/${_ERROR_MESSAGE}/g")
+  eval "${_ERROR_CMD}"
+  exit 1
+}
+
+check_passed_arguments()
+{
+  if [ 1 != $# ]; then
+    raise_error "Usage: ${0} <truecrypt-volume>"
+  fi
+}
+
+escape_mount_dir_name()
+{
+  /bin/echo $@ | /usr/bin/tr "[:cntrl:][:space:][:punct:]" "_"
+}
+
+generate_mount_point_dir_name()
+{
+  escape_mount_dir_name $1
+}
+
+generate_mount_point()
+{
+  _MOUNT_POINT_DIR=$(/bin/echo ${USER_MOUNT_ROOT}/$(generate_mount_point_dir_name $1))
+  _USERNAME_VAR=$(whoami)
+  _MOUNT_POINT_DIR=$(/bin/echo ${_MOUNT_POINT_DIR} | /bin/sed -e s/%username%/${_USERNAME_VAR}/g)
+  
+  /bin/echo ${_MOUNT_POINT_DIR}
+}
+
+create_mount_point()
+{
+  _MOUNT_POINT_DIR=$1
+  if [ ! -d "${_MOUNT_POINT_DIR}" ]; then
+    /bin/mkdir -p ${_MOUNT_POINT_DIR}
+    if [ ! 0 -eq $? ]; then
+      raise_error "Error: failed to create ${_MOUNT_POINT_DIR}"
+    fi
+  fi
+}
+
+explore_mount_point()
+{
+  if [ ${EXPLORE_MOUNTED_VOLUME} ]; then
+    _MOUNT_POINT_DIR=${1}
+    /usr/bin/xdg-open ${_MOUNT_POINT_DIR}
+  fi
+}
+
+mount_tc_volume()
+{
+  _TC_VOLUME=${1}
+  _MOUNT_POINT_DIR=$(generate_mount_point ${_TC_VOLUME})
+
+  check_if_mount_point_already_used ${_MOUNT_POINT_DIR}
+  create_mount_point ${_MOUNT_POINT_DIR}
+
+  run_regular_truecrypt ${_TC_VOLUME} ${_MOUNT_POINT_DIR}
+  if [ ! 0 -eq $? ]; then
+    raise_error "Error: truecrypt execution error, code = ${?}"
+  fi
+
+  explore_mount_point ${_MOUNT_POINT_DIR}
+}
+
+
+check_passed_arguments $@
+setup_defaults_if_not_available
+mount_tc_volume $1
-- 
2.20.1