Linux ip-172-26-7-228 5.4.0-1103-aws #111~18.04.1-Ubuntu SMP Tue May 23 20:04:10 UTC 2023 x86_64
Your IP : 3.145.85.233
#!/bin/sh
set -eu
# taken from the openssh-server.postinst
get_config_option() {
option="$1"
[ -f /etc/ssh/sshd_config ] || return
# TODO: actually only one '=' allowed after option
perl -lne '
s/[[:space:]]+/ /g; s/[[:space:]]+$//;
print if s/^[[:space:]]*'"$option"'[[:space:]=]+//i' \
/etc/ssh/sshd_config
}
host_keys_required() {
hostkeys="$(get_config_option HostKey)"
if [ "$hostkeys" ]; then
echo "$hostkeys"
else
# No HostKey directives at all, so the server picks some
# defaults.
echo /etc/ssh/ssh_host_rsa_key
echo /etc/ssh/ssh_host_dsa_key
echo /etc/ssh/ssh_host_ecdsa_key
echo /etc/ssh/ssh_host_ed25519_key
fi
}
create_key() {
msg="$1"
shift
hostkeys="$1"
shift
file="$1"
shift
if echo "$hostkeys" | grep -x "$file" >/dev/null && \
[ ! -f "$file" ] ; then
printf "%s" "$msg"
ssh-keygen -q -f "$file" -N '' "$@"
echo
if which restorecon >/dev/null 2>&1; then
restorecon "$file" "$file.pub"
fi
ssh-keygen -l -f "$file.pub"
sync
fi
}
create_keys() {
hostkeys="$(host_keys_required)"
create_key "Creating SSH2 RSA key; this may take some time ..." \
"$hostkeys" /etc/ssh/ssh_host_rsa_key -t rsa
create_key "Creating SSH2 DSA key; this may take some time ..." \
"$hostkeys" /etc/ssh/ssh_host_dsa_key -t dsa
create_key "Creating SSH2 ECDSA key; this may take some time ..." \
"$hostkeys" /etc/ssh/ssh_host_ecdsa_key -t ecdsa
create_key "Creating SSH2 ED25519 key; this may take some time ..." \
"$hostkeys" /etc/ssh/ssh_host_ed25519_key -t ed25519
}
create_keys
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