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# $OpenBSD: keytype.sh,v 1.9 2019/11/26 23:43:10 djm Exp $
# Placed in the Public Domain.
tid="login with different key types"
cp $OBJ/sshd_proxy $OBJ/sshd_proxy_bak
cp $OBJ/ssh_proxy $OBJ/ssh_proxy_bak
# Construct list of key types based on what the built binaries support.
ktypes=""
for i in ${SSH_KEYTYPES}; do
case "$i" in
ssh-dss) ktypes="$ktypes dsa-1024" ;;
ssh-rsa) ktypes="$ktypes rsa-2048 rsa-3072" ;;
ssh-ed25519) ktypes="$ktypes ed25519-512" ;;
ecdsa-sha2-nistp256) ktypes="$ktypes ecdsa-256" ;;
ecdsa-sha2-nistp384) ktypes="$ktypes ecdsa-384" ;;
ecdsa-sha2-nistp521) ktypes="$ktypes ecdsa-521" ;;
sk-ssh-ed25519*) ktypes="$ktypes ed25519-sk" ;;
sk-ecdsa-sha2-nistp256*) ktypes="$ktypes ecdsa-sk" ;;
esac
done
for kt in $ktypes; do
rm -f $OBJ/key.$kt
xbits=`echo ${kt} | awk -F- '{print $2}'`
xtype=`echo ${kt} | awk -F- '{print $1}'`
case "$kt" in
*sk) type="$kt"; bits="n/a"; bits_arg="";;
*) type=$xtype; bits=$xbits; bits_arg="-b $bits";;
esac
verbose "keygen $type, $bits bits"
${SSHKEYGEN} $bits_arg -q -N '' -t $type -f $OBJ/key.$kt || \
fail "ssh-keygen for type $type, $bits bits failed"
done
kname_to_ktype() {
case $1 in
dsa-1024) echo ssh-dss;;
ecdsa-256) echo ecdsa-sha2-nistp256;;
ecdsa-384) echo ecdsa-sha2-nistp384;;
ecdsa-521) echo ecdsa-sha2-nistp521;;
ed25519-512) echo ssh-ed25519;;
rsa-*) echo rsa-sha2-512,rsa-sha2-256,ssh-rsa;;
ed25519-sk) echo sk-ssh-ed25519@openssh.com;;
ecdsa-sk) echo sk-ecdsa-sha2-nistp256@openssh.com;;
esac
}
tries="1 2 3"
for ut in $ktypes; do
user_type=`kname_to_ktype "$ut"`
# SK keys are not supported for hostkeys.
case "$ut" in
*sk) htypes=ed25519-512;;
*) htypes="$ut";;
esac
#htypes=$ktypes
for ht in $htypes; do
host_type=`kname_to_ktype "$ht"`
trace "ssh connect, userkey $ut, hostkey $ht"
(
grep -v HostKey $OBJ/sshd_proxy_bak
echo HostKey $OBJ/key.$ht
echo PubkeyAcceptedKeyTypes $user_type
echo HostKeyAlgorithms $host_type
) > $OBJ/sshd_proxy
(
grep -v IdentityFile $OBJ/ssh_proxy_bak
echo IdentityFile $OBJ/key.$ut
echo PubkeyAcceptedKeyTypes $user_type
echo HostKeyAlgorithms $host_type
) > $OBJ/ssh_proxy
(
printf 'localhost-with-alias,127.0.0.1,::1 '
cat $OBJ/key.$ht.pub
) > $OBJ/known_hosts
cat $OBJ/key.$ut.pub > $OBJ/authorized_keys_$USER
for i in $tries; do
verbose "userkey $ut, hostkey ${ht}"
${SSH} -F $OBJ/ssh_proxy 999.999.999.999 true
if [ $? -ne 0 ]; then
fail "ssh userkey $ut, hostkey $ht failed"
fi
done
done
done
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