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undertaker: new auxiliary program to fetch keys from different protocols
undertaker will print out the key to stdout then tomb can use it with -k stdin so far the only implemented method is bluetooth
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src/undertaker
Executable file
96
src/undertaker
Executable file
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#!/bin/zsh
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#
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# Undertaker, auxiliary command for Tomb
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#
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# Tomb is a tool to operate file encryption of private and secret data
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#
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# Undertaker is a tool to retrieve tomb keys from various sources
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#
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# Copyleft (C) 2011 Denis Roio <jaromil@dyne.org>
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#
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# This source code is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This source code is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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# Please refer to the GNU Public License for more details.
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#
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# You should have received a copy of the GNU Public License along with
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# this source code; if not, write to:
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# Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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# first of all source the tomb core functions
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which tomb > /dev/null
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if [[ $? != 0 ]]; then
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print "$fg[red][!]$fg[white] Tomb command not found, operation aborted."; exit 1
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fi
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source tomb source
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if ! [ $1 ] ; then
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error "an argument is missing, the undertaker is confused"
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act "usage: undertaker url://host:path/to/tomb.key"
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exit 1;
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fi
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ARG1=${1}
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check_bin
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notice "Undertaker will look for ${ARG1}"
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baseurl=${ARG1%//*}
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case $baseurl in
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bluetooth:)
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act "access to bluetooth protocol requested"
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which obexftp &> /dev/null
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if [[ $? != 0 ]]; then
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error "obexftp not found, needed for bluetooth: operation aborted."
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exit 1
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fi
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keytmp=`safe_dir undertaker`
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cd $keytmp
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# fetch key from bluetooth, url format: bluetooth://55:33:44:55:66/file/path
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obexdevpath=${ARG1#*//}
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obexdev=${obexdevpath%%/*}
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obexpath=${obexdevpath#*/}
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act "obex device: $obexdev"
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act "obex path: $obexpath"
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obexftp -b $obexdev -g $obexpath
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if [[ $? != 0 ]]; then
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error "a problem occurred retreiving the key via bluetooth."
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rmdir ${keytmp}
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exit 1;
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fi
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# print out the key on stdout
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cat $obexpath >&1
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# wipe out the key
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${WIPE[@]} $obexpath
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cd -
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rmdir ${keytmp}
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# tombkey="basename $obexpath"
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;;
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file:)
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act "local file access requested"
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error "TODO"
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;;
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http:)
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act "access to web protocol requested"
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error "TODO"
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;;
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ssh:)
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act "access to secure shell requested"
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error "TODO"
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;;
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*)
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error "url protocol not recognized: $baseurl"
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exit 1
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;;
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esac
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