add support for ED25519 keys to sshd-keygen and sshd.sysconfig
This commit is contained in:
Petr Lautrbach
parent
523b551229
commit
17e5a39640
63
sshd-keygen
63
sshd-keygen
@ -4,7 +4,7 @@
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#
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# The creation is controlled by the $AUTOCREATE_SERVER_KEYS environment
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# variable.
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AUTOCREATE_SERVER_KEYS=NODSA
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AUTOCREATE_SERVER_KEYS="RSA ECDSA ED25519"
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# source function library
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. /etc/rc.d/init.d/functions
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@ -15,6 +15,7 @@ RSA1_KEY=/etc/ssh/ssh_host_key
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RSA_KEY=/etc/ssh/ssh_host_rsa_key
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DSA_KEY=/etc/ssh/ssh_host_dsa_key
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ECDSA_KEY=/etc/ssh/ssh_host_ecdsa_key
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ED25519_KEY=/etc/ssh/ssh_host_ed25519_key
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# pull in sysconfig settings
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[ -f /etc/sysconfig/sshd ] && . /etc/sysconfig/sshd
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@ -33,10 +34,10 @@ do_rsa1_keygen() {
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rm -f $RSA1_KEY
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if test ! -f $RSA1_KEY && $KEYGEN -q -t rsa1 -f $RSA1_KEY -C '' -N '' >&/dev/null; then
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chgrp ssh_keys $RSA1_KEY
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chmod 640 $RSA1_KEY
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chmod 600 $RSA1_KEY
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chmod 644 $RSA1_KEY.pub
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if [ -x /sbin/restorecon ]; then
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/sbin/restorecon $RSA1_KEY.pub
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/sbin/restorecon $RSA1_KEY{,.pub}
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fi
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success $"RSA1 key generation"
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echo
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@ -54,10 +55,10 @@ do_rsa_keygen() {
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rm -f $RSA_KEY
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if test ! -f $RSA_KEY && $KEYGEN -q -t rsa -f $RSA_KEY -C '' -N '' >&/dev/null; then
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chgrp ssh_keys $RSA_KEY
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chmod 640 $RSA_KEY
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chmod 600 $RSA_KEY
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chmod 644 $RSA_KEY.pub
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if [ -x /sbin/restorecon ]; then
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/sbin/restorecon $RSA_KEY.pub
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/sbin/restorecon $RSA_KEY{,.pub}
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fi
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success $"RSA key generation"
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echo
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@ -75,10 +76,10 @@ do_dsa_keygen() {
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rm -f $DSA_KEY
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if test ! -f $DSA_KEY && $KEYGEN -q -t dsa -f $DSA_KEY -C '' -N '' >&/dev/null; then
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chgrp ssh_keys $DSA_KEY
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chmod 640 $DSA_KEY
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chmod 600 $DSA_KEY
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chmod 644 $DSA_KEY.pub
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if [ -x /sbin/restorecon ]; then
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/sbin/restorecon $DSA_KEY.pub
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/sbin/restorecon $DSA_KEY{,.pub}
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fi
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success $"DSA key generation"
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echo
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@ -96,10 +97,10 @@ do_ecdsa_keygen() {
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rm -f $ECDSA_KEY
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if test ! -f $ECDSA_KEY && $KEYGEN -q -t ecdsa -f $ECDSA_KEY -C '' -N '' >&/dev/null; then
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chgrp ssh_keys $ECDSA_KEY
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chmod 640 $ECDSA_KEY
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chmod 600 $ECDSA_KEY
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chmod 644 $ECDSA_KEY.pub
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if [ -x /sbin/restorecon ]; then
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/sbin/restorecon $ECDSA_KEY.pub
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/sbin/restorecon $ECDSA_KEY{,.pub}
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fi
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success $"ECDSA key generation"
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echo
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@ -111,13 +112,43 @@ do_ecdsa_keygen() {
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fi
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}
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# Create keys if necessary
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if [ "x${AUTOCREATE_SERVER_KEYS}" != xNO ]; then
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do_rsa_keygen
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if [ "x${AUTOCREATE_SERVER_KEYS}" != xRSAONLY ]; then
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do_ecdsa_keygen
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if [ "x${AUTOCREATE_SERVER_KEYS}" != xNODSA ]; then
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do_dsa_keygen
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do_ed25519_keygen() {
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if [ ! -s $ED25519_KEY ]; then
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echo -n $"Generating SSH2 ED25519 host key: "
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rm -f $ED25519_KEY
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if test ! -f $ED25519_KEY && $KEYGEN -q -t ed25519 -f $ED25519_KEY -C '' -N '' >&/dev/null; then
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chgrp ssh_keys $ED25519_KEY
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chmod 600 $ED25519_KEY
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chmod 644 $ED25519_KEY.pub
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if [ -x /sbin/restorecon ]; then
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/sbin/restorecon $ED25519_KEY{,.pub}
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fi
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success $"ED25519 key generation"
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echo
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else
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failure $"ED25519 key generation"
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echo
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exit 1
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fi
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fi
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}
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if [ "x${AUTOCREATE_SERVER_KEYS}" == "xNO" ]; then
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exit 0
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fi
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# legacy options
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case $AUTOCREATE_SERVER_KEYS in
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NODSA) AUTOCREATE_SERVER_KEYS="RSA ECDSA ED25519";;
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RSAONLY) AUTOCREATE_SERVER_KEYS="RSA";;
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YES) AUTOCREATE_SERVER_KEYS="DSA RSA ECDSA ED25519";;
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esac
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for KEY in $AUTOCREATE_SERVER_KEYS; do
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case $KEY in
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DSA) do_dsa_keygen;;
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RSA) do_rsa_keygen;;
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ECDSA) do_ecdsa_keygen;;
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ED25519) do_ed25519_keygen;;
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esac
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done
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@ -1,14 +1,12 @@
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# Configuration file for the sshd service.
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# The server keys are automatically generated if they omitted
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# to change the automatic creation uncomment the appropriate
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# line. The default is NODSA which means rsa and ecdsa keys are
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# generated.
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# The server keys are automatically generated if they are missing.
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# To change the automatic creation uncomment and change the appropriate
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# line. Accepted key types are: DSA RSA ECDSA ED25519.
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# The default is "RSA ECDSA ED25519"
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# AUTOCREATE_SERVER_KEYS=NODSA
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# AUTOCREATE_SERVER_KEYS=RSAONLY
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# AUTOCREATE_SERVER_KEYS=NO
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# AUTOCREATE_SERVER_KEYS=YES
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# AUTOCREATE_SERVER_KEYS=""
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# AUTOCREATE_SERVER_KEYS="RSA ECDSA ED25519"
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# Do not change this option unless you have hardware random
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# generator and you REALLY know what you are doing
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