ttomb creation procedure tomb-open wrapper and further fixes for desktop automatisms - tomb - the crypto undertaker
HTML git clone git://parazyd.org/tomb.git
DIR Log
DIR Files
DIR Refs
DIR README
DIR LICENSE
---
DIR commit 505442c394ed3cdeaece2b9b37e2317433a1f70a
DIR parent c00a1721c881860626b51fd1b11357395f3fa7e4
HTML Author: Jaromil <jaromil@dyne.org>
Date: Thu, 13 Jan 2011 14:37:52 +0100
ttomb creation procedure
ttomb-open wrapper and further fixes for desktop automatisms
Diffstat:
M src/tomb | 154 ++++++++++++++++---------------
M src/tomb-notify.cpp | 4 ++--
M src/tomb-open | 142 +++++++++++++++++++++++++++++--
M src/tomb-status.cpp | 62 ++++++++++++++++++++++---------
4 files changed, 260 insertions(+), 102 deletions(-)
---
DIR diff --git a/src/tomb b/src/tomb
t@@ -1,18 +1,11 @@
#!/bin/zsh
#
-# Tomb
+# Tomb, the Crypto Undertaker
#
-# a simple commandline tool to create and operate encrypted storage
+# a tool to easily operate file encryption of private and secret data
#
# Copyleft (C) 2007-2011 Denis Roio <jaromil@dyne.org>
#
-# Tomb development is supported by: NOONE.
-# Would you like to support it and engrave your name on this software?
-# Contact me!
-#
-# thanks to Gabriele "Asbesto Molesto" Zaverio
-# for suggesting the perfect name for this tool.
-#
# This source code is free software; you can redistribute it and/or
# modify it under the terms of the GNU Public License as published by
# the Free Software Foundation; either version 3 of the License, or
t@@ -58,8 +51,7 @@ fi
# usb auto detect using dmesg
# tested on ubuntu 10.04 - please test and patch on other systems if you can
ask_usbkey() {
- notice "looking for key $1 on usb"
- exec_as_user tomb-notify "Tomb needs a key." "Plug your usb key in the computer to open $1"
+ notice "looking for usb key"
echo -n " . please insert your usb key "
plugged=false
t@@ -131,6 +123,7 @@ ask_password() {
exec_as_user() {
func "executing as user '$SUDO_USER': ${(f)@}"
sudo -u $SUDO_USER ${@} &
+ disown
}
t@@ -231,7 +224,7 @@ if ! [ -r ${tombtab} ]; then
echo "# format here is similar to the system wide fstab" >> ${tombtab}
echo "# <file system> <mount point> <type> <options> <key>" >> ${tombtab}
fi
-
+
create_tomb() {
notice "Creating a new tomb in ${FILE}"
t@@ -239,8 +232,9 @@ create_tomb() {
if [ $MOUNT ]; then
SIZE=$MOUNT
else
- error "size is not specified, please use -s option when creating a tomb"
- exit 0
+ create_tomb_guided
+# error "size is not specified, please use -s option when creating a tomb"
+# exit 0
fi
fi
t@@ -267,10 +261,12 @@ create_tomb() {
losetup -f ${FILE} # allocates the next loopback for our file
keytmp=`tempfile`
act "Generating secret key..."
- act "this operation takes time, computer use helps to gather more entropy."
- cat /dev/random | dd bs=1 count=256 of=${keytmp}
+ act "this operation takes time, keep using this computer on other tasks,"
+ act "once done you will be asked to choose a password for your tomb."
+ cat /dev/urandom | dd bs=1 count=256 of=${keytmp}
notice "Setup your secret key file ${FILE}.gpg"
+ exec_as_user tomb-notify "The Tomb key is being forged:" "please set your password."
# here user is prompted for key password
gpg -o "${FILE}.gpg" --no-options --openpgp -c -a ${keytmp}
while [ $? = 2 ]; do
t@@ -292,20 +288,27 @@ create_tomb() {
cryptsetup --key-file ${keytmp} --cipher aes luksOpen ${nstloop} tomb.tmp
- $WIPE ${keytmp}
-
- notice "Your tomb is read on ${FILE} and secured with key ${FILE}.gpg"
- act "now plug an external usb device to save the key separately:"
- ask_usbkey
- if ! [ -w ${usbkey_mount} ]; then
- error "cannot save the key in a separate place, move it yourself later."
- else
- mkdir -p ${usbkey_mount}/.tomb
- cp -v ${FILE}.gpg ${usbkey_mount}/.tomb/
- chmod -R go-rwx ${usbkey_mount}/.tomb
- rm -rf ${FILE}.gpg
+ ${WIPE} ${keytmp}
+
+ notice "Your tomb is ready on ${FILE} and secured with key ${FILE}.gpg"
+ act "Would you like to save the key on an external usb device?"
+ act "This is recommended for safety:"
+ act "always keep the key in a different place than the door!"
+ act "If you answer yes, you'll need a USB KEY now: (yes/no)"
+ exec_as_user tomb-notify "Tomb has forged a key." "Would you like to save it on USB?"
+ echo -n " > "
+ read -q
+ if [ $? = 0 ]; then
+ ask_usbkey
+ if ! [ -w ${usbkey_mount} ]; then
+ error "cannot save the key in a separate place, move it yourself later."
+ else
+ mkdir -p ${usbkey_mount}/.tomb
+ cp -v ${FILE}.gpg ${usbkey_mount}/.tomb/
+ chmod -R go-rwx ${usbkey_mount}/.tomb
+ rm -rf ${FILE}.gpg
+ fi
fi
-
# cryptsetup luksDump ${nstloop}
act "formatting your Tomb with Ext4 filesystem"
t@@ -324,6 +327,8 @@ create_tomb() {
losetup -d ${nstloop}
notice "done creating $FILE encrypted storage (using Luks dm-crypt AES/SHA256)"
+ exec_as_user tomb-notify "The Tomb is ready!" "We will now open your new Tomb for the first time."
+ tomb mount $FILE
}
t@@ -337,12 +342,12 @@ mount_tomb() {
notice "mounting $FILE on mountpoint $MOUNT"
if [ -z $MOUNT ]; then
- act "mountpoint not specified, using default: /media/$FILE"
- MOUNT=/media/${FILE}
+ MOUNT=/media/`basename ${FILE}`
+ act "mountpoint not specified, using default: $MOUNT"
mkdir -p $MOUNT
elif ! [ -x $MOUNT ]; then
error "mountpoint $MOUNT doesn't exist"
- exit 0
+ exit 1
fi
# check if key file is present
t@@ -369,7 +374,7 @@ mount_tomb() {
if [ $? != 0 ]; then
# is it a LUKS encrypted nest? see cryptsetup(1)
error "$FILE is not a valid Luks encrypted storage file"
- exit 0
+ exit 1
fi
t@@ -413,9 +418,7 @@ mount_tomb() {
mount -t ext4 -o rw,noatime,nodev /dev/mapper/${mapper} ${MOUNT}
notice "encrypted storage $FILE succesfully mounted on $MOUNT"
- if [ $DISPLAY ]; then
- exec_as_user tomb-status ${FILE} ${MOUNT}
- fi
+ exec_as_user tomb-status ${mapper} ${FILE} ${MOUNT}
}
umount_tomb() {
t@@ -425,55 +428,58 @@ umount_tomb() {
how_many_tombs="`ls /dev/mapper/tomb* 2>/dev/null | wc -w`"
if [ $how_many_tombs = 0 ]; then
error "there is no open tomb to be closed"
- return
+ exit 0
elif [ $how_many_tombs = 1 ]; then
mapper=`ls /dev/mapper/tomb* 2>/dev/null`
FILE=`mount | grep $mapper | awk '{print $3}'`
else
error "too many tombs mounted, please specify which to unmount:"
ls /dev/mapper/tomb*
- echo
- return
+ exit 1
fi
else
- if ! [ -r $FILE ]; then
+ if [ -r $FILE ]; then
+ mapper=$FILE
+ elif [ -r /dev/mapper/${FILE} ]; then
+ mapper=/dev/mapper/${FILE}
+ else
error "tomb not found: $FILE"
- error "please specify the full /dev/mapper/tomb* path"
- return
+ error "please specify an existing /dev/mapper/tomb*"
+ exit 1
fi
- mapper=$FILE
- FILE=`mount | grep $mapper | awk '{print $3}'`
+# FILE=`mount | grep $mapper | awk '{print $3}'`
fi
- if [ "$mapper" = "" ]; then
- error "$FILE is not mounted"
- return
- fi
+ # if [ "$mapper" = "" ]; then
+ # error "$FILE is not mounted"
+ # return
+ # fi
- mapper=`basename $mapper`
+ # mapper=`basename $mapper`
- if ! [ -r /dev/mapper/${mapper} ]; then
- error "tomb doesn't seems to be mounted:"
- error "${mapper} is not present in /dev/mapper"
- exit 1
- fi
+ # if ! [ -r /dev/mapper/${mapper} ]; then
+ # error "tomb doesn't seems to be mounted:"
+ # error "${mapper} is not present in /dev/mapper"
+ # exit 1
+ # fi
- umount ${FILE}
- if ! [ $? = 0 ]; then
- error "error occurred in umount ${FILE}"
- exit 0
- fi
+ umount ${mapper}
+ # if ! [ $? = 0 ]; then
+ # error "error occurred in umount ${mapper}"
+ # fi
+
+ basemap=`basename $mapper`
- cryptsetup luksClose ${mapper}
+ cryptsetup luksClose $basemap
if ! [ $? = 0 ]; then
- error "error occurred in cryptsetup luksClose ${mapper}"
+ error "error occurred in cryptsetup luksClose ${basemap}"
exit 0
fi
- losetup -d "/dev/`echo $mapper | cut -d. -f4`"
+ losetup -d "/dev/`echo $basemap | cut -d. -f4`"
# echo ${nstloop} | grep loop 1>/dev/null 2>/dev/null
# # if it's a loopback then we need to do losetup -d
t@@ -486,16 +492,13 @@ umount_tomb() {
# fi
notice "crypt storage ${mapper} unmounted"
- exec_as_user tomb-notify "Tomb closed:" "${FILE}
-Rest In Peace."
+ exec_as_user tomb-notify "Tomb closed: `echo ${basemap} | cut -d. -f2`" "Your bones will Rest In Peace."
}
# install mime-types, bells and whistles for the desktop
# see http://developers.sun.com/solaris/articles/integrating_gnome.html
# and freedesktop specs
install() {
- notice "Installing Tomb on your desktop"
-
act "updating mimetypes..."
cat <<EOF > /tmp/dyne-tomb.xml
<?xml version="1.0"?>
t@@ -513,9 +516,9 @@ EOF
xdg-mime install /tmp/dyne-tomb.xml
xdg-icon-resource install --context mimetypes --size 32 monmort.xpm monmort
xdg-icon-resource install --size 32 monmort.xpm dyne-monmort
-
+
rm /tmp/dyne-tomb.xml
-
+
act "updating desktop..."
cat <<EOF > /usr/share/applications/tomb.desktop
[Desktop Entry]
t@@ -527,11 +530,11 @@ Comment=Keep your bones safe
Exec=tomb-open %U
TryExec=tomb-open
Icon=monmort.xpm
-Terminal=true
+Terminal=false
Categories=Utility;Security;Archiving;Filesystem;
MimeType=application/x-tomb-volume;
EOF
- update-desktop-database
+ update-desktop-database
act "updating menus..."
cat <<EOF > /etc/menu/tomb
t@@ -559,7 +562,7 @@ application/x-tomb-key
ext: tomb.gpg
EOF
cat <<EOF > /usr/lib/mime/packages/tomb
-application/x-tomb-volume; tomb '%s'; needsterminal; priority=8
+application/x-tomb-volume; tomb-open '%s'; priority=8
EOF
update-mime
t@@ -571,13 +574,12 @@ tomb
name=Tomb - Crypto Undertaker
can_open_multiple_files=false
expects_uris=false
- requires_terminal=true
+ requires_terminal=false
mime-types=application/x-tomb-volume,application/x-tomb-key
EOF
-
+ act "Tomb is now installed."
}
-
case "$CMD" in
create) create_tomb ;;
t@@ -595,5 +597,8 @@ case "$CMD" in
*) error "command \"$CMD\" not recognized"
act "try -h for help"
+ break
;;
esac
+
+exit 1
+\ No newline at end of file
DIR diff --git a/src/tomb-notify.cpp b/src/tomb-notify.cpp
t@@ -25,7 +25,7 @@
#include <libnotify/notify.h>
-/* The Tomb icon is an artwork by Jordi aka MonMort
+/* The Tomb icon is an artwork by Jordi aka Món Mort
a nomadic graffiti artist from Barcelona */
#include <monmort.xpm>
t@@ -44,7 +44,7 @@ int main(int argc, char **argv) {
notify_init(PACKAGE);
if(argc<3)
- snprintf(body,511, "I'm the crypto undertaker.\nLet's start digging out bones.");
+ snprintf(body,511, "Hi, I'm the Undertaker.\nLet's start setting your Crypt?");
else
snprintf(body,511, "%s", argv[2]);
DIR diff --git a/src/tomb-open b/src/tomb-open
t@@ -1,12 +1,139 @@
-#!/bin/sh
+#!/bin/zsh
+#
+# Tomb, the Crypto Undertaker
+#
+# a tool to easily operate file encryption of private and secret data
+#
+# Copyleft (C) 2007-2011 Denis Roio <jaromil@dyne.org>
+#
+# This source code is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This source code 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.
+# Please refer to the GNU Public License for more details.
+#
+# You should have received a copy of the GNU Public License along with
+# this source code; if not, write to:
+# Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
# startup wrapper to open tombs
-# got a tomb as argument
-if [ $@ ]; then
- tomb -S open $@
- exit $?
+explore() {
+ which ${1} > /dev/null
+ if [ $? = 0 ]; then
+ ${1} ${2}
+ exit 0
+ fi
+}
+
+# if no arguments are given, run in terminal
+if [ -z $1 ]; then
+ explore gnome-terminal -e "tomb-open create"
+ explore lxterm -bg black -fg white -e "tomb-open create"
+ explore urxvt -bg black -fg white -e "tomb-open create"
+ explore uxterm -bg black -fg white -e "tomb-open create"
+ explore xterm -bg black -fg white -e "tomb-open create"
+fi
+
+
+# got a directory as argument
+if [ -d $1 ]; then
+
+# FIXME: somehow xdg-open loses mailcap mimes when executed by tomb-status
+# explore xdg-open ${1}
+
+ # try known file managers
+ explore gnome-open ${1}
+ explore thunar ${1}
+ explore rox ${1}
+ explore fsviewer ${1}
+ explore xnc ${1}
+ tomb-notify "File manager not found." "Tomb cannot guess which filemanager you are using"
+ exit 1
+fi
+
+# got a tomb as argument?
+if [ -f $1 ]; then
+ file $1 | grep LUKS
+ if [ $? = 0 ]; then
+ tomb -S mount $1
+ exit $?
+ else
+ tomb-notify "Not a real Tomb." "We found no real bones in there."
+ exit 1
+ fi
+fi
+
+# no argument but on graphical display: creation dialog
+if [ -z $DISPLAY ]; then
+ echo "[!] tomb-open is a wrapper for the command 'tomb'"
+ tomb -h
+ exit 1
+fi
+
+if [ "$1" != "create" ]; then
+ exit 0
fi
-tomb -h
+# start guided tomb creation
+tomb-notify
+cat <<EOF
+Create a new Tomb
+=================
+
+ A Tomb is a special folder that keeps files safe using a password:
+ it makes use of strong encryption and helps you keep the keys on a
+ separate USB storage for safer transports.
+
+ Inside a Tomb you can store private informations without fear that
+ other people possessing it will discover your secrets, unless they
+ have your USB key and your password.
+
+ If you choose to proceed now, we'll guide you through the creation
+ of a new Tomb, You will also need the super-user (sudo) password for
+ the computer you are using.
+
+ If you will, I'll be your Crypto Undertaker.
+ Do you want to proceed, Master? (yes/no)"
+EOF
+echo -n "> "
+read -q
+if [ $? != 0 ]; then
+ echo "Operation aborted."
+ exit 1
+fi
+ # let's proceed
+echo " Please type in the name for your new tomb file:"
+echo -n "> "
+read filename
+echo " How big you want the Tomb to be?"
+echo " Type a size number in Megabytes:"
+echo -n "> "
+read size
+echo " You have commanded the creation of this Tomb:"
+echo " $filename ( $size MBytes )";
+echo
+echo " Please confirm if you want to proceed now,"
+echo " digging will take quite some time! (yes/no)"
+echo -n "> "
+read -q
+if [ $? != 0 ]; then
+ echo "Operation aborted."
+ exit 1
+fi
+cat <<EOF
+ Operation confirmed! we will now call the undertaker to do its
+ job, but in order to do so you will need to provide your sudo
+ password:
+EOF
+sudo tomb -S create ${filename}.tomb $size
+if ! [ -r /usr/share/applications/tomb.desktop ]; then
+ echo " Well done!"
+ echo " Now the last thing to do is to install Tomb on your desktop:"
+ sudo tomb install
+fi
-sleep 10
-\ No newline at end of file
DIR diff --git a/src/tomb-status.cpp b/src/tomb-status.cpp
t@@ -35,6 +35,7 @@ GtkMenu *menu_left, *menu_right;
NotifyNotification *notice;
GError *error;
+char mapper[256];
char filename[256];
char mountpoint[256];
t@@ -48,7 +49,6 @@ gboolean cb_about(GtkWidget *w, GdkEvent *e);
int main(int argc, char **argv) {
- GObject *tray;
GtkWidget *item_close, *item_view, *item_about;
gint menu_x, menu_y;
gboolean push_in = true;
t@@ -59,11 +59,19 @@ int main(int argc, char **argv) {
gtk_init(&argc, &argv);
// get the information from commandline
- if(argc<3) sprintf(mountpoint,"unknown");
- else snprintf(mountpoint,255, "%s", argv[2]);
+ if(argc<2) {
+ fprintf(stderr, "error: need at least one argument, the path to a dm-crypt device mapper\n");
+ exit(1);
+ } else {
+ // TODO: check if mapper really exists
+ snprintf(mapper,255, "%s", argv[1]);
+ }
- if(argc<2) sprintf(filename, "unknown");
- else snprintf(filename,255, "%s", argv[1]);
+ if(argc<3) sprintf(filename, "unknown");
+ else snprintf(filename,255, "%s", argv[2]);
+
+ if(argc<4) sprintf(mountpoint,"unknown");
+ else snprintf(mountpoint,255, "%s", argv[3]);
// libnotify
notify_init(PACKAGE);
t@@ -78,7 +86,7 @@ int main(int argc, char **argv) {
// LEFT click menu
menu_left = (GtkMenu*) gtk_menu_new();
// view
- item_view = gtk_menu_item_new_with_label("View");
+ item_view = gtk_menu_item_new_with_label("Explore");
gtk_menu_attach(menu_left, item_view, 0, 1, 0, 1);
g_signal_connect_swapped(item_view, "activate", G_CALLBACK(cb_view), NULL);
gtk_widget_show(item_view);
t@@ -127,19 +135,37 @@ gboolean left_click(GtkWidget *w, GdkEvent *e) {
1, gtk_get_current_event_time());
}
gboolean cb_view(GtkWidget *w, GdkEvent *e) {
- GtkWidget *dialog =
- gtk_message_dialog_new (NULL,
- GTK_DIALOG_DESTROY_WITH_PARENT,
- GTK_MESSAGE_INFO,
- GTK_BUTTONS_CLOSE,
- "Tomb '%s' open on '%s'", filename, mountpoint);
- gtk_dialog_run (GTK_DIALOG (dialog));
- gtk_widget_destroy (dialog);
-
+ // GtkWidget *dialog =
+ // gtk_message_dialog_new (NULL,
+ // GTK_DIALOG_DESTROY_WITH_PARENT,
+ // GTK_MESSAGE_INFO,
+ // GTK_BUTTONS_CLOSE,
+ // "Tomb '%s' open on '%s'\n"
+ // "device mapper: %s", filename, mountpoint, mapper);
+ // gtk_dialog_run (GTK_DIALOG (dialog));
+ // gtk_widget_destroy (dialog);
+ pid_t cpid = fork();
+ if (cpid == -1) {
+ fprintf(stderr,"error: problem forking process\n");
+ return false;
+ }
+ if (cpid == 0) { // Child
+ execlp("tomb-open", "tomb-open", mountpoint ,(char*)NULL);
+ exit(1);
+ }
+ return true;
}
gboolean cb_close(GtkWidget *w, GdkEvent *e) {
- execlp("tomb","tomb","-S","umount",NULL);
+ pid_t cpid = fork();
+ if (cpid == -1) {
+ fprintf(stderr,"error: problem forking process\n");
+ return false;
+ }
+ if (cpid == 0) { // Child
+ execlp("tomb","tomb","-S","umount",mapper,(char*)NULL);
+ exit(1);
+ }
gtk_main_quit();
}
t@@ -151,8 +177,8 @@ gboolean right_click(GtkWidget *w, GdkEvent *e) {
}
gboolean cb_about(GtkWidget *w, GdkEvent *e) {
const gchar *authors[] = {"Denis Roio aka Jaromil - http://jaromil.dyne.org",NULL};
- const gchar *artists[] = {"Jordi aka MonMort - http://monmort.blogspot.org",
- "Gabriele Zaverio aka Asbesto - http://freaknet.org/asbesto",
+ const gchar *artists[] = {"Jordi aka Món Mort - http://monmort.blogspot.org",
+ "Asbesto Molesto - http://freaknet.org/asbesto",
NULL};
GtkWidget *dialog = gtk_about_dialog_new();
gtk_about_dialog_set_name(GTK_ABOUT_DIALOG(dialog), PACKAGE);