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502 lines
18 KiB
502 lines
18 KiB
#!/bin/bash
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# Smart Card Management Tool (c) 2009 Timothy Pearson
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General 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 program 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. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# The [secure] temporary directory for authentication
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SECURE_DIRECTORY=/tmp/smartauth
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# Create the secure directory and lock it down
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mkdir -p $SECURE_DIRECTORY
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chown root $SECURE_DIRECTORY
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chgrp root $SECURE_DIRECTORY
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chmod 600 $SECURE_DIRECTORY
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SECURE_DIRECTORY=$(mktemp /tmp/smartauth/setupcard.XXXXXXXXXX)
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rm -rf $SECURE_DIRECTORY
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mkdir -p $SECURE_DIRECTORY
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chown root $SECURE_DIRECTORY
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chgrp root $SECURE_DIRECTORY
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chmod 600 $SECURE_DIRECTORY
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# See if required programs are installed
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scriptor=$(whereis scriptor)
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if [[ $scriptor == "scriptor:" ]]; then
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echo "ERROR: scriptor is not installed! This program cannot continue!"
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zenity --error --text "ERROR: scriptor is not installed!\nThis program cannot continue!\n\nUsually, scriptor is part of the pcsc-tools package."
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exit
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fi
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opensc=$(whereis opensc-explorer)
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if [[ $opensc == "opensc-explorer:" ]]; then
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echo "ERROR: opensc-explorer is not installed! This program cannot continue!"
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zenity --error --text "ERROR: opensc-explorer is not installed!\nThis program cannot continue!\n\nUsually, opensc-explorer is part of the opensc package."
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exit
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fi
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# Get card ATR
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FOUND_SUPPORTED_CARD=0
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echo "RESET" > $SECURE_DIRECTORY/query
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scriptor $SECURE_DIRECTORY/query 1> $SECURE_DIRECTORY/response2
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authokresponse="OK: "
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response1=$(cat $SECURE_DIRECTORY/response2 | grep "$authokresponse")
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if [[ $response1 != "" ]]; then
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cat $SECURE_DIRECTORY/response2 | tr -d '\n' > $SECURE_DIRECTORY/response4
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stringtoreplace="Using T=0 protocolRESET> RESET< OK: "
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newstring=""
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sed -i "s#${stringtoreplace}#${newstring}#g" $SECURE_DIRECTORY/response4
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smartatr=$(cat $SECURE_DIRECTORY/response4)
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echo "Got ATR: $smartatr"
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if [[ $smartatr == "3B BE 18 00 00 41 05 10 00 00 00 00 00 00 00 00 00 90 00 " ]]; then
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echo "Detected ACOS5 card"
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COMMAND_MODE="acos"
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CARD_NICE_NAME="ACOS5"
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FOUND_SUPPORTED_CARD=1
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fi
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if [[ $smartatr == "3B 02 14 50 " ]]; then
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echo "Detected Schlumberger CryptoFlex card"
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COMMAND_MODE="cryptoflex"
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CARD_NICE_NAME="Schlumberger CryptoFlex"
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FOUND_SUPPORTED_CARD=1
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fi
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else
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echo "No card detected!"
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zenity --error --text "ERROR: No SmartCard detected!"
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exit 1
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fi
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if [[ $FOUND_SUPPORTED_CARD -eq 0 ]]; then
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echo "Unsupported SmartCard detected! ATR: $smartatr"
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zenity --error --text "ERROR: Unsupported SmartCard detected!\n\nATR: $smartatr"
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exit 1
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fi
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if [[ $COMMAND_MODE == "cryptoflex" ]]; then
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GET_CHALLENGE="C0 84 00 00 08"
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EXTERNAL_AUTH="C0 82 00 00 07 01"
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SELECT_FILE="C0 A4 00 00 02"
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DELETE_FILE="F0 E4 00 00 02"
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fi
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if [[ $COMMAND_MODE == "acos" ]]; then
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GET_CHALLENGE="00 84 00 00 08"
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EXTERNAL_AUTH="00 82 00 81 08"
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SELECT_FILE="00 A4 00 00 02"
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DELETE_FILE="00 E4 00 00 00"
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READ_BINARY="00 B0 00 00 FF"
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UPDATE_BINARY="00 D6 00 00 FF"
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ACTIVATE_FILE="00 44 00 00 02"
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fi
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CREATE_LIFE_CYCLE="01"
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createfile ()
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{
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if [[ $COMMAND_MODE == "cryptoflex" ]]; then
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# Create transparent file with permissions:
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# delete, terminate, activate, deactivate, update, read for Key 1 and Key 2 only
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echo "F0 E0 00 FF 10 FF FF 00 $1 $2 01 3F 44 FF 44 01 03 11 FF 11" > $SECURE_DIRECTORY/query
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scriptor $SECURE_DIRECTORY/query 1> $SECURE_DIRECTORY/response2 2>/dev/null
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fi
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if [[ $COMMAND_MODE == "acos" ]]; then
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# Select MF
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echo "00 A4 00 00 00" > $SECURE_DIRECTORY/query
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scriptor $SECURE_DIRECTORY/query 1> $SECURE_DIRECTORY/response2
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echo $(cat $SECURE_DIRECTORY/response2)
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# Select DF 1000 under MF
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echo "$SELECT_FILE 10 00" > $SECURE_DIRECTORY/query
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scriptor $SECURE_DIRECTORY/query 1> $SECURE_DIRECTORY/response2
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echo $(cat $SECURE_DIRECTORY/response2)
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# Create transparent file with permissions:
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# delete, terminate, activate, deactivate, update, read for Key 1, Key 2, and Key 3 only (SE 04)
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# created in DF 1000 under MF, SE file is 10FE
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# SIZE TRANSPARENT
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echo "00 E0 00 00 1A 62 18 80 02 00 $1 82 01 01 83 02 $2 8A 01 $CREATE_LIFE_CYCLE 8C 08 7F 04 04 04 04 04 04 04" > $SECURE_DIRECTORY/query
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scriptor $SECURE_DIRECTORY/query 1> $SECURE_DIRECTORY/response2 2>/dev/null
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echo $(cat $SECURE_DIRECTORY/response2)
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fi
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}
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updatekey ()
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{
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if [[ $COMMAND_MODE == "cryptoflex" ]]; then
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echo "$SELECT_FILE 00 11" > $SECURE_DIRECTORY/query
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scriptor $SECURE_DIRECTORY/query 1> $SECURE_DIRECTORY/response2 2>/dev/null
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echo "C0 D6 00 0D 0C 08 00 $1 05 05" > $SECURE_DIRECTORY/query
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scriptor $SECURE_DIRECTORY/query 1> $SECURE_DIRECTORY/response2 2>/dev/null
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fi
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}
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hexcvt ()
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{
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echo ""$1" "16" o p" | dc
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}
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authenticatecard () {
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if [[ $authenticated != "1" ]]; then
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if [[ -e /etc/smartauth/slave.key ]]; then
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autkey=$(cat /etc/smartauth/slave.key)
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else
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autkey=$(zenity --entry --hide-text --title="SmartCard Transport Key" --text="Please enter the 16-character Smart Card transport key [AUT1] in hexidecimal. Example: 0123456789abcdef")
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fi
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if [[ ${#autkey} -eq 16 ]]; then
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if [[ $COMMAND_MODE == "acos" ]]; then
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# Select MF
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echo "00 A4 00 00 00" > $SECURE_DIRECTORY/query
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scriptor $SECURE_DIRECTORY/query 1> $SECURE_DIRECTORY/response2
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echo $(cat $SECURE_DIRECTORY/response2)
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# Make sure DF 1000 is selected
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echo "$SELECT_FILE 10 00" > $SECURE_DIRECTORY/query
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scriptor $SECURE_DIRECTORY/query 1> $SECURE_DIRECTORY/response2
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echo $(cat $SECURE_DIRECTORY/response2)
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fi
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# Authenticate card
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echo $GET_CHALLENGE > $SECURE_DIRECTORY/authscript
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scriptor $SECURE_DIRECTORY/authscript | grep 'Normal processing' > $SECURE_DIRECTORY/challenge
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perl -pi -e 's/ //g' $SECURE_DIRECTORY/challenge
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perl -pi -e 's/:Normalprocessing.//g' $SECURE_DIRECTORY/challenge
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perl -pi -e 's/<//g' $SECURE_DIRECTORY/challenge
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xxd -r -p $SECURE_DIRECTORY/challenge $SECURE_DIRECTORY/challenge
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# Now DES encrypt the challenge
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# Later, change the initialization vector to random if possible
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openssl des-ecb -in $SECURE_DIRECTORY/challenge -out $SECURE_DIRECTORY/response -K $autkey -iv 1
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if [[ $COMMAND_MODE == "acos" ]]; then
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# Truncate to 8 bytes
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dd if=$SECURE_DIRECTORY/response of=$SECURE_DIRECTORY/response2 bs=1 count=8
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# Expand to standard hex listing format
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xxd -g 1 $SECURE_DIRECTORY/response2 $SECURE_DIRECTORY/response
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dd if=$SECURE_DIRECTORY/response of=$SECURE_DIRECTORY/response2 bs=1 count=23 skip=9
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fi
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if [[ $COMMAND_MODE == "cryptoflex" ]]; then
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# Truncate to 6 bytes
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dd if=$SECURE_DIRECTORY/response of=$SECURE_DIRECTORY/response2 bs=1 count=6
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# Expand to standard hex listing format
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xxd -g 1 $SECURE_DIRECTORY/response2 $SECURE_DIRECTORY/response
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dd if=$SECURE_DIRECTORY/response of=$SECURE_DIRECTORY/response2 bs=1 count=17 skip=9
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fi
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# Assemble the response file
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response2=$(cat $SECURE_DIRECTORY/response2)
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response1="$EXTERNAL_AUTH ${response2}"
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echo $response1 > $SECURE_DIRECTORY/response
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# Send the response!
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scriptor $SECURE_DIRECTORY/response > $SECURE_DIRECTORY/response2
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echo $(cat $SECURE_DIRECTORY/response2)
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# Get the result
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authokresponse="< 90 00 : Normal processing"
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response1=$(cat $SECURE_DIRECTORY/response2 | grep "$authokresponse")
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echo $response1
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if [[ $response1 != "" ]]; then
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echo "Smart card validation successfull!"
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echo "Smart card login successfull!"
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echo $autkey > /etc/smartauth/slave.key
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authenticated="1"
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else
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echo "Login failed"
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if [[ -e /etc/smartauth/slave.key ]]; then
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rm -f /etc/smartauth/slave.key
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authenticatecard
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else
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zenity --error --text "That transport key is incorrect!\n\nPlease remember that there are a limited number\nof failed login attempts for this key,\nafter which your SmartCard will become useless."
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fi
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fi
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else
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echo "AUT1 key not 16 characters!"
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zenity --error --text "That transport key is invalid!"
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fi
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fi
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}
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get_file () {
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if [[ $COMMAND_MODE == "acos" ]]; then
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# Select EF $1 under DF 1000
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echo "$SELECT_FILE $1" > $SECURE_DIRECTORY/query
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scriptor $SECURE_DIRECTORY/query 1> $SECURE_DIRECTORY/response2
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echo $(cat $SECURE_DIRECTORY/response2)
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# Read binary
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echo "$READ_BINARY" > $SECURE_DIRECTORY/query
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scriptor $SECURE_DIRECTORY/query 1> $SECURE_DIRECTORY/response2
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authokresponse="90 00 : Normal processing"
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response1=$(cat $SECURE_DIRECTORY/response2 | grep "$authokresponse")
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if [[ $response1 != "" ]]; then
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cat $SECURE_DIRECTORY/response2 | tr -d '\n' > $SECURE_DIRECTORY/response4
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stringtoreplace="Using T=0 protocol00 B0 00 00 FF> 00 B0 00 00 FF< "
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newstring=""
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sed -i "s#${stringtoreplace}#${newstring}#g" $SECURE_DIRECTORY/response4
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stringtoreplace=" 90 00 : Normal processing."
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newstring=""
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sed -i "s#${stringtoreplace}#${newstring}#g" $SECURE_DIRECTORY/response4
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if [[ $2 == "text" ]]; then
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stringtoreplace=" 00"
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newstring=""
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sed -i "s#${stringtoreplace}#${newstring}#g" $SECURE_DIRECTORY/response4
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fi
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echo $(cat $SECURE_DIRECTORY/response4)
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rm -f $SECURE_DIRECTORY/lukskey
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xxd -r -p $SECURE_DIRECTORY/response4 $SECURE_DIRECTORY/lukskey
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RESPONSE=$SECURE_DIRECTORY/lukskey
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fi
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fi
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if [[ $COMMAND_MODE == "cryptoflex" ]]; then
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FILE=${1/ /}
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echo "get $FILE" | opensc-explorer
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RESPONSE="3F00_$FILE"
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fi
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}
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update_file () {
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if [[ $COMMAND_MODE == "acos" ]]; then
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# Select EF $1 under DF 1000
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echo "$SELECT_FILE $1" > $SECURE_DIRECTORY/query
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scriptor $SECURE_DIRECTORY/query 1> $SECURE_DIRECTORY/response2
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echo $(cat $SECURE_DIRECTORY/response2)
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# Update existing file
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# Zero pad input file
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dd if=/dev/zero of=$SECURE_DIRECTORY/response2 bs=1 count=255
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dd if=$2 of=$SECURE_DIRECTORY/response2 bs=1 count=255 conv=notrunc
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# Truncate to 255 bytes and expand to standard hex listing format
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xxd -l 255 -ps -c 1 $SECURE_DIRECTORY/response2 > $SECURE_DIRECTORY/response
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cat $SECURE_DIRECTORY/response | tr '\n' ' ' > $SECURE_DIRECTORY/hexready
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echo "$UPDATE_BINARY $(cat $SECURE_DIRECTORY/hexready)" > $SECURE_DIRECTORY/query
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scriptor $SECURE_DIRECTORY/query 1> $SECURE_DIRECTORY/response2 2>/dev/null
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echo $(cat $SECURE_DIRECTORY/response2)
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fi
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if [[ $COMMAND_MODE == "cryptoflex" ]]; then
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# Delete old file
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echo "$DELETE_FILE $1" > $SECURE_DIRECTORY/query
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scriptor $SECURE_DIRECTORY/query 1> $SECURE_DIRECTORY/response2 2>/dev/null
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echo $(cat $SECURE_DIRECTORY/response2)
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# Create new file
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createfile "FF" $1
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FILE=${1/ /}
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echo "put $FILE $2" | opensc-explorer
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fi
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}
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insertnewtext () {
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FOUNDTEXT=$(cat $2 | grep $1)
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echo $FOUNDTEXT;
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if [[ $FOUNDTEXT != "" ]]; then
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echo "$1 already exists in $2"
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else
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echo $1 >> $2
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fi
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}
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getcolumn () {
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perl -ne '@cols = split; print "$cols['$1']\n"' ;
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}
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function loadusername {
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echo "Loading username..."
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authenticatecard
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if [[ $authenticated = "1" ]]; then
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zenity --entry --title="SmartCard Username" --text="Please enter the username of the account to be associated with this SmartCard" > $SECURE_DIRECTORY/username
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update_file "10 02" "$SECURE_DIRECTORY/username"
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rm -f $SECURE_DIRECTORY/username
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fi
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}
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function loadpassword {
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echo "Loading password..."
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authenticatecard
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if [[ $authenticated = "1" ]]; then
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zenity --entry --hide-text --title="SmartCard Password" --text="Please enter the password of the account that is associated with this SmartCard" > $SECURE_DIRECTORY/password
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update_file "10 03" "$SECURE_DIRECTORY/password"
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rm -f $SECURE_DIRECTORY/password
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fi
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}
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function loadminutes {
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echo "Loading minutes..."
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authenticatecard
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if [[ $authenticated = "1" ]]; then
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echo "$(zenity --entry --hide-text --title="SmartCard Computer Minutes" --text="Please enter the number of computer minutes for this SmartCard")" > $SECURE_DIRECTORY/password
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update_file "10 05" "$SECURE_DIRECTORY/password"
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rm -f $SECURE_DIRECTORY/password
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fi
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}
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function enablerestrictedmode {
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echo "Enabling restricted mode..."
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authenticatecard
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if [[ $authenticated = "1" ]]; then
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echo "SLAVE" > $SECURE_DIRECTORY/password
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update_file "10 04" "$SECURE_DIRECTORY/password"
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rm -f $SECURE_DIRECTORY/password
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fi
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}
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function disablerestrictedmode {
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echo "Disabling restricted mode..."
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authenticatecard
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if [[ $authenticated = "1" ]]; then
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echo "NORMAL" > $SECURE_DIRECTORY/password
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update_file "10 04" "$SECURE_DIRECTORY/password"
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rm -f $SECURE_DIRECTORY/password
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fi
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}
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GREETER="Welcome to the SmartCard slave authentication setup utility!\n\nCard ATR: $smartatr\nDetected: $CARD_NICE_NAME\n\nPlease select an action from the list below:"
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while [[ 1 -eq 1 ]]; do
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if [[ $# -eq 0 ]]; then
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selection=$(zenity --width=400 --height=400 --list --radiolist --title="SmartCard Authentication Setup" \
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--text="$GREETER" \
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--column="" --column="Action" \
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TRUE "Load Computer Minutes into Smart Card [File 1005]" \
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FALSE "Enable Restricted Mode [File 1004]" \
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FALSE "Disable Restricted Mode [File 1004]" \
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FALSE "Load username into Smart Card [File 1002]" \
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FALSE "Load password into Smart Card [File 1003]" \
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FALSE "Update Smart Card Transport Key [AUT1]");
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fi
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if [[ $selection = "Load username into Smart Card [File 1002]" ]]; then
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loadusername
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fi
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if [[ $selection = "Load password into Smart Card [File 1003]" ]]; then
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loadpassword
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fi
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if [[ $selection = "Load Computer Minutes into Smart Card [File 1005]" ]]; then
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loadminutes
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fi
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if [[ $selection = "Enable Restricted Mode [File 1004]" ]]; then
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enablerestrictedmode
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fi
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if [[ $selection = "Disable Restricted Mode [File 1004]" ]]; then
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disablerestrictedmode
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fi
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if [[ $selection = "Update Smart Card Transport Key [AUT1]" ]]; then
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echo "Updating AUT1..."
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authenticatecard
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if [[ $authenticated = "1" ]]; then
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if [[ $COMMAND_MODE == "acos" ]]; then
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# Select MF
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echo "00 A4 00 00 00" > $SECURE_DIRECTORY/query
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scriptor $SECURE_DIRECTORY/query 1> $SECURE_DIRECTORY/response2
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echo $(cat $SECURE_DIRECTORY/response2)
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# Select DF 1000 under MF
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echo "$SELECT_FILE 10 00" > $SECURE_DIRECTORY/query
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scriptor $SECURE_DIRECTORY/query 1> $SECURE_DIRECTORY/response2
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echo $(cat $SECURE_DIRECTORY/response2)
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# Select EF 10FD under DF 1000
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echo "$SELECT_FILE 10 FD" > $SECURE_DIRECTORY/query
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scriptor $SECURE_DIRECTORY/query 1> $SECURE_DIRECTORY/response2
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echo $(cat $SECURE_DIRECTORY/response2)
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# Initialize first key record in file 10FD
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# Key 1, 8-byte 1DES authentication only
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autkey=""
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while [[ ${#autkey} != 16 ]]; do
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autkey=$(zenity --entry --hide-text --title="SmartCard Transport Key" --text="Please enter the new 16-character Smart Card transport key [AUT1] in hexidecimal. Example: 0123456789abcdef")
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done
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autkey2=${autkey:0:2}
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autkey2="${autkey2} ${autkey:2:2}"
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autkey2="${autkey2} ${autkey:4:2}"
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autkey2="${autkey2} ${autkey:6:2}"
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autkey2="${autkey2} ${autkey:8:2}"
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autkey2="${autkey2} ${autkey:10:2}"
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autkey2="${autkey2} ${autkey:12:2}"
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autkey2="${autkey2} ${autkey:14:2}"
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echo "00 DC 00 00 0C 81 01 55 05 $autkey2" > $SECURE_DIRECTORY/query
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scriptor $SECURE_DIRECTORY/query 1> $SECURE_DIRECTORY/response2
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echo $(cat $SECURE_DIRECTORY/response2)
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fi
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if [[ $COMMAND_MODE == "cryptoflex" ]]; then
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autkey4=$(zenity --entry --hide-text --title="SmartCard Transport Key" --text="Please enter the new 16-character Smart Card transport key [AUT1] in hexidecimal. Example: 0123456789abcdef")
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if [[ ${#autkey4} -eq 16 ]]; then
|
|
autkey2=${autkey4:0:2}
|
|
autkey2="${autkey2} ${autkey4:2:2}"
|
|
autkey2="${autkey2} ${autkey4:4:2}"
|
|
autkey2="${autkey2} ${autkey4:6:2}"
|
|
autkey2="${autkey2} ${autkey4:8:2}"
|
|
autkey2="${autkey2} ${autkey4:10:2}"
|
|
autkey2="${autkey2} ${autkey4:12:2}"
|
|
autkey2="${autkey2} ${autkey4:14:2}"
|
|
echo "Attempting Smart Card key update..."
|
|
updatekey ${autkey2}
|
|
autkey=$autkey4
|
|
if [[ $authenticated = "1" ]]; then
|
|
cp -Rp /etc/smartauth/smartauth.sh.in /usr/bin/smartauth.sh
|
|
OLDKEY="<your key in hexidecimal>"
|
|
authenticatecard
|
|
if [[ $authenticated = "1" ]]; then
|
|
NEWKEY=$autkey
|
|
echo $NEWKEY > /etc/smartauth/smartauth.key
|
|
sed -i "s#${OLDKEY}#${NEWKEY}#g" /usr/bin/smartauth.sh
|
|
chmod 600 /usr/bin/smartauth.sh
|
|
chmod a+x /usr/bin/smartauth.sh
|
|
echo "Updating initramfs"
|
|
update-initramfs -u all
|
|
echo "Securing directories..."
|
|
chmod 600 "/boot/initrd.img-$(uname -r)"
|
|
chmod -R 600 /etc/smartauth
|
|
if [ -e "/etc/smartauth/smartauthmon.key" ]; then
|
|
selection="Enable automatic login for TDE"
|
|
else
|
|
echo "TDE login disabled; not altering"
|
|
fi
|
|
else
|
|
zenity --error --text "A SmartCard authentication error has occurred."
|
|
fi
|
|
else
|
|
zenity --error --text "A SmartCard authentication error has occurred."
|
|
fi
|
|
else
|
|
echo "AUT1 key not 16 characters!"
|
|
zenity --error --text "The new transport key is invalid!"
|
|
fi
|
|
fi
|
|
fi
|
|
fi
|
|
|
|
if [[ $selection = "" ]]; then
|
|
echo "Exiting!"
|
|
rm -rf $SECURE_DIRECTORY
|
|
chmod -R 600 /etc/smartauth
|
|
chown -R root /etc/smartauth
|
|
chmod a+x /usr/bin/smartauth.sh
|
|
chmod 600 "/boot/initrd.img-$(uname -r)"
|
|
chown root "/boot/initrd.img-$(uname -r)"
|
|
exit
|
|
fi
|
|
done
|