You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
154 lines
3.5 KiB
154 lines
3.5 KiB
#!/bin/bash |
|
|
|
# Create the host keys for the OpenSSH server. |
|
# |
|
# The creation is controlled by the $AUTOCREATE_SERVER_KEYS environment |
|
# variable. |
|
AUTOCREATE_SERVER_KEYS="RSA ECDSA ED25519" |
|
|
|
# source function library |
|
. /etc/rc.d/init.d/functions |
|
|
|
# Some functions to make the below more readable |
|
KEYGEN=/usr/bin/ssh-keygen |
|
RSA1_KEY=/etc/ssh/ssh_host_key |
|
RSA_KEY=/etc/ssh/ssh_host_rsa_key |
|
DSA_KEY=/etc/ssh/ssh_host_dsa_key |
|
ECDSA_KEY=/etc/ssh/ssh_host_ecdsa_key |
|
ED25519_KEY=/etc/ssh/ssh_host_ed25519_key |
|
|
|
# pull in sysconfig settings |
|
[ -f /etc/sysconfig/sshd ] && . /etc/sysconfig/sshd |
|
|
|
fips_enabled() { |
|
if [ -r /proc/sys/crypto/fips_enabled ]; then |
|
cat /proc/sys/crypto/fips_enabled |
|
else |
|
echo 0 |
|
fi |
|
} |
|
|
|
do_rsa1_keygen() { |
|
if [ ! -s $RSA1_KEY -a `fips_enabled` -eq 0 ]; then |
|
echo -n $"Generating SSH1 RSA host key: " |
|
rm -f $RSA1_KEY |
|
if test ! -f $RSA1_KEY && $KEYGEN -q -t rsa1 -f $RSA1_KEY -C '' -N '' >&/dev/null; then |
|
chgrp ssh_keys $RSA1_KEY |
|
chmod 640 $RSA1_KEY |
|
chmod 644 $RSA1_KEY.pub |
|
if [ -x /sbin/restorecon ]; then |
|
/sbin/restorecon $RSA1_KEY{,.pub} |
|
fi |
|
success $"RSA1 key generation" |
|
echo |
|
else |
|
failure $"RSA1 key generation" |
|
echo |
|
exit 1 |
|
fi |
|
fi |
|
} |
|
|
|
do_rsa_keygen() { |
|
if [ ! -s $RSA_KEY ]; then |
|
echo -n $"Generating SSH2 RSA host key: " |
|
rm -f $RSA_KEY |
|
if test ! -f $RSA_KEY && $KEYGEN -q -t rsa -f $RSA_KEY -C '' -N '' >&/dev/null; then |
|
chgrp ssh_keys $RSA_KEY |
|
chmod 640 $RSA_KEY |
|
chmod 644 $RSA_KEY.pub |
|
if [ -x /sbin/restorecon ]; then |
|
/sbin/restorecon $RSA_KEY{,.pub} |
|
fi |
|
success $"RSA key generation" |
|
echo |
|
else |
|
failure $"RSA key generation" |
|
echo |
|
exit 1 |
|
fi |
|
fi |
|
} |
|
|
|
do_dsa_keygen() { |
|
if [ ! -s $DSA_KEY -a `fips_enabled` -eq 0 ]; then |
|
echo -n $"Generating SSH2 DSA host key: " |
|
rm -f $DSA_KEY |
|
if test ! -f $DSA_KEY && $KEYGEN -q -t dsa -f $DSA_KEY -C '' -N '' >&/dev/null; then |
|
chgrp ssh_keys $DSA_KEY |
|
chmod 640 $DSA_KEY |
|
chmod 644 $DSA_KEY.pub |
|
if [ -x /sbin/restorecon ]; then |
|
/sbin/restorecon $DSA_KEY{,.pub} |
|
fi |
|
success $"DSA key generation" |
|
echo |
|
else |
|
failure $"DSA key generation" |
|
echo |
|
exit 1 |
|
fi |
|
fi |
|
} |
|
|
|
do_ecdsa_keygen() { |
|
if [ ! -s $ECDSA_KEY ]; then |
|
echo -n $"Generating SSH2 ECDSA host key: " |
|
rm -f $ECDSA_KEY |
|
if test ! -f $ECDSA_KEY && $KEYGEN -q -t ecdsa -f $ECDSA_KEY -C '' -N '' >&/dev/null; then |
|
chgrp ssh_keys $ECDSA_KEY |
|
chmod 640 $ECDSA_KEY |
|
chmod 644 $ECDSA_KEY.pub |
|
if [ -x /sbin/restorecon ]; then |
|
/sbin/restorecon $ECDSA_KEY{,.pub} |
|
fi |
|
success $"ECDSA key generation" |
|
echo |
|
else |
|
failure $"ECDSA key generation" |
|
echo |
|
exit 1 |
|
fi |
|
fi |
|
} |
|
|
|
do_ed25519_keygen() { |
|
if [ ! -s $ED25519_KEY -a `fips_enabled` -eq 0 ]; then |
|
echo -n $"Generating SSH2 ED25519 host key: " |
|
rm -f $ED25519_KEY |
|
if test ! -f $ED25519_KEY && $KEYGEN -q -t ed25519 -f $ED25519_KEY -C '' -N '' >&/dev/null; then |
|
chgrp ssh_keys $ED25519_KEY |
|
chmod 640 $ED25519_KEY |
|
chmod 644 $ED25519_KEY.pub |
|
if [ -x /sbin/restorecon ]; then |
|
/sbin/restorecon $ED25519_KEY{,.pub} |
|
fi |
|
success $"ED25519 key generation" |
|
echo |
|
else |
|
failure $"ED25519 key generation" |
|
echo |
|
exit 1 |
|
fi |
|
fi |
|
} |
|
|
|
if [ "x${AUTOCREATE_SERVER_KEYS}" == "xNO" ]; then |
|
exit 0 |
|
fi |
|
|
|
# legacy options |
|
case $AUTOCREATE_SERVER_KEYS in |
|
NODSA) AUTOCREATE_SERVER_KEYS="RSA ECDSA ED25519";; |
|
RSAONLY) AUTOCREATE_SERVER_KEYS="RSA";; |
|
YES) AUTOCREATE_SERVER_KEYS="DSA RSA ECDSA ED25519";; |
|
esac |
|
|
|
for KEY in $AUTOCREATE_SERVER_KEYS; do |
|
case $KEY in |
|
DSA) do_dsa_keygen;; |
|
RSA) do_rsa_keygen;; |
|
ECDSA) do_ecdsa_keygen;; |
|
ED25519) do_ed25519_keygen;; |
|
esac |
|
done
|
|
|