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#!/bin/sh
set -e
# avoid problems with sudo path
SYSREPOCFG=`which sysrepocfg`
OPENSSL=`which openssl`
# check that there is no SSH key with this name yet
KEYSTORE_KEY=`$SYSREPOCFG -X -x "/ietf-keystore:keystore/asymmetric-keys/asymmetric-key[name='genkey']/name"`
if [ -z "$KEYSTORE_KEY" ]; then
# generate a new key
PRIVPEM=`$OPENSSL genpkey -algorithm RSA -pkeyopt rsa_keygen_bits:2048 -outform PEM 2>/dev/null`
# remove header/footer
PRIVKEY=`grep -v -- "-----" - <<STDIN
$PRIVPEM
STDIN`
# get public key
PUBPEM=`$OPENSSL rsa -pubout 2>/dev/null <<STDIN
$PRIVPEM
STDIN`
# remove header/footer
PUBKEY=`grep -v -- "-----" - <<STDIN
$PUBPEM
STDIN`
# generate edit config
CONFIG="<keystore xmlns=\"urn:ietf:params:xml:ns:yang:ietf-keystore\">
<asymmetric-keys>
<asymmetric-key>
<name>genkey</name>
<algorithm>rsa2048</algorithm>
<public-key>$PUBKEY</public-key>
<private-key>$PRIVKEY</private-key>
</asymmetric-key>
</asymmetric-keys>
</keystore>"
TMPFILE=`mktemp -u`
printf -- "$CONFIG" > $TMPFILE
# apply it to startup and running
$SYSREPOCFG --edit=$TMPFILE -d startup -f xml -m ietf-keystore -v2
$SYSREPOCFG -C startup -m ietf-keystore -v2
# remove the tmp file
rm $TMPFILE
fi
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