43 lines
829 B
Plaintext
43 lines
829 B
Plaintext
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#!/bin/bash
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if [ $# -eq 0 ]; then
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echo $"Usage: `basename $0` filename" 1>&2
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exit 1
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fi
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PEM=$1
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REQ=`/bin/mktemp /tmp/openssl.XXXXXX`
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KEY=`/bin/mktemp /tmp/openssl.XXXXXX`
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CRT=`/bin/mktemp /tmp/openssl.XXXXXX`
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NEW=${PEM}_
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trap "rm -f $REQ $KEY $CRT $NEW" SIGINT
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if [ ! -f $PEM ]; then
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echo "$PEM: file not found" 1>&2
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exit 1
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fi
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let -a SERIAL=0x$(openssl x509 -in $PEM -noout -serial | cut -d= -f2)
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let SERIAL++
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umask 077
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OWNER=`ls -l $PEM | awk '{ printf "%s.%s", $3, $4; }'`
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openssl rsa -inform pem -in $PEM -out $KEY
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openssl x509 -x509toreq -in $PEM -signkey $KEY -out $REQ
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openssl x509 -req -in $REQ -signkey $KEY -set_serial $SERIAL -days 365 \
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-extfile /etc/pki/tls/openssl.cnf -extensions v3_ca -out $CRT
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(cat $KEY ; echo "" ; cat $CRT) > $NEW
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chown $OWNER $NEW
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mv -f $NEW $PEM
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rm -f $REQ $KEY $CRT
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exit 0
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