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https://github.com/polhenarejos/pico-fido.git
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95 lines
2.3 KiB
Bash
Executable File
95 lines
2.3 KiB
Bash
Executable File
#!/bin/bash
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#
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# This file is part of the Pico FIDO distribution (https://github.com/polhenarejos/pico-fido).
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# Copyright (c) 2022 Pol Henarejos.
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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, version 3.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# 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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#
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VERSION_MAJOR="4" #Version of Pico CCID Core
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VERSION_MINOR="0"
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echo "----------------------------"
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echo "VID/PID patcher for Pico FIDO"
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echo "----------------------------"
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echo ""
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if [ "$#" -le 0 ]; then
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echo "Usage: $0 VID:PID [input_uf2_file] [output_uf2_file]"
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exit 1
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fi
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IFS=':' read -r -a ARR <<< "$1"
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if [ ${#ARR[@]} -ne 2 ]; then
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echo "ERROR: Specify vendor and product ids as VID:PID (e.g., $0 CAFE:1234)"
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exit 1
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fi
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VID=${ARR[0]}
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PID=${ARR[1]}
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if [ ${#VID} -ne 4 ]; then
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echo "ERROR: VID length must be 4 hexadecimal characters"
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exit 1
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fi
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if [ ${#PID} -ne 4 ]; then
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echo "ERROR: PID length must be 4 hexadecimal characters"
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exit 1
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fi
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if ! [[ $VID =~ ^[0-9A-Fa-f]{1,}$ ]] ; then
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echo "ERROR: VID must contain hexadecimal characters"
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exit 1
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fi
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if ! [[ $PID =~ ^[0-9A-Fa-f]{1,}$ ]] ; then
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echo "ERROR: PID must contain hexadecimal characters"
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exit 1
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fi
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UF2_FILE_IF="pico_fido.uf2"
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UF2_FILE_OF="$UF2_FILE_IF"
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if [ "$#" -ge 2 ]; then
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UF2_FILE_IF="$2"
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UF2_FILE_OF="$UF2_FILE_IF"
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fi
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if [ "$#" -ge 3 ]; then
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UF2_FILE_OF="$3"
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fi
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echo -n "Patching ${UF2_FILE_IF}... "
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if [[ ! -f "$UF2_FILE_IF" ]]; then
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echo "ERROR: UF2 file ${UF2_FILE_IF} does not exist"
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exit 1
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fi
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if [ "$UF2_FILE_IF" != "$UF2_FILE_OF" ]; then
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cp -R $UF2_FILE_IF $UF2_FILE_OF
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fi
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LITTLE_VID="\x${VID:2:2}\x${VID:0:2}"
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LITTLE_PID="\x${PID:2:2}\x${PID:0:2}"
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perl -pi -e "s/[\x00-\xff]{4}\x$VERSION_MINOR\x$VERSION_MAJOR\x01\x02\x03\x01\x00\x00/$LITTLE_VID$LITTLE_PID\x$VERSION_MINOR\x$VERSION_MAJOR\x01\x02\x03\x01\x00\x00/" $UF2_FILE_OF
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echo "Done!"
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echo ""
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echo "Patched file was saved in ${UF2_FILE_OF}"
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