SWAMPy

✎ CARVE FLESH

EDITING: write-ssh-key-fingerprints

#!/bin/sh
# This file is part of cloud-init. See LICENSE file for license information.

logger_opts="-p user.info -t ec2"

# rhels' version of logger_opts does not support long
# for of -s (--stderr), so use short form.
logger_opts="$logger_opts -s"

# Redirect stderr to stdout
exec 2>&1

fp_blist=",${1},"
key_blist=",${2},"
{
echo
echo "#############################################################"
echo "-----BEGIN SSH HOST KEY FINGERPRINTS-----"
for f in /etc/ssh/ssh_host_*key.pub; do
    [ -f "$f" ] || continue
    read ktype line < "$f"
    # skip the key if its type is in the blacklist
    [ "${fp_blist#*,$ktype,}" = "${fp_blist}" ] || continue
    ssh-keygen -l -f "$f"
done
echo "-----END SSH HOST KEY FINGERPRINTS-----"
echo "#############################################################"

} | logger $logger_opts

echo "-----BEGIN SSH HOST KEY KEYS-----"
for f in /etc/ssh/ssh_host_*key.pub; do
    [ -f "$f" ] || continue
    read ktype line < "$f"
    # skip the key if its type is in the blacklist
    [ "${key_blist#*,$ktype,}" = "${key_blist}" ] || continue
    cat $f
done
echo "-----END SSH HOST KEY KEYS-----"

CANCEL

Name	Type	Size	Modified	Actions
↩ ..	DIR	—	—
📄 ds-identify	?	50 KB	2025-07-28 18:21	EDIT
📄 uncloud-init	?	4 KB	2021-03-19 14:37	EDIT
📄 write-ssh-key-fingerprints	?	1.1 KB	2021-03-19 14:37	EDIT