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52 lines
1.9 KiB
Bash
Executable File
52 lines
1.9 KiB
Bash
Executable File
#!/bin/sh
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# Copyright (C) 2018 Franco Fichtner <franco@opnsense.org>
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# 1. Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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# INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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# AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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# AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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# OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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FLOCK="/usr/local/bin/flock"
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LOCKFILE="/tmp/dh-parameters.lock"
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OPENSSL="/usr/local/bin/openssl"
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TMPFILE="/tmp/dh-parameters.${$}"
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WANTBITS="1024 2048 4096"
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if [ -n "${1}" ]; then
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WANTBITS=${1}
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fi
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touch ${LOCKFILE}
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(
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if ${FLOCK} -n 9; then
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for BITS in ${WANTBITS}; do
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${OPENSSL} dhparam -out ${TMPFILE} ${BITS}
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mv ${TMPFILE} /usr/local/etc/dh-parameters.${BITS}
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# provide a sample file for non-default bit sizes
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if [ ! -f /usr/local/etc/dh-parameters.${BITS}.sample ]; then
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cp /usr/local/etc/dh-parameters.${BITS} \
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/usr/local/etc/dh-parameters.${BITS}.sample
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fi
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done
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fi
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) 9< ${LOCKFILE}
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