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49 lines
1.4 KiB
Bash
49 lines
1.4 KiB
Bash
#! /bin/sh
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#
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# gnuk-emulation-setup - Generate flash image for Gnuk
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#
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# Copyright (C) 2017 Free Software Initiative of Japan
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# Author: NIIBE Yutaka <gniibe@fsij.org>
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#
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# This file is a part of Gnuk, a GnuPG USB Token implementation.
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#
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# Gnuk is free software: you can redistribute it and/or modify it
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# 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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# Gnuk is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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# 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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if test "$1" = "--help"; then
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echo "Usage:"
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echo " $0 [output-file]"
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echo " Generate Gnuk flash image"
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echo " $0 --help"
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echo " Show this message"
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exit 0
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fi
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OUTPUT_FILE=${1:-$HOME/.gnuk-flash-image}
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# Generate 8192-byte flash data into OUTPUT_FILE
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exec > $OUTPUT_FILE
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for i in $(seq 512); do
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/bin/echo -n -e '\xff\xff\xff\xff\xff\xff\xff\xff'
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done
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/bin/echo -n -e '\x00\x00\xff\xff\xff\xff\xff\xff'
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for i in $(seq 511); do
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/bin/echo -n -e '\xff\xff\xff\xff\xff\xff\xff\xff'
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done
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chmod og-rw $OUTPUT_FILE
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