forked from rpms/openssh
100 lines
2.2 KiB
Bash
100 lines
2.2 KiB
Bash
#!/bin/bash
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# Create the host keys for the OpenSSH server.
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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=RSAONLY
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# source function library
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. /etc/rc.d/init.d/functions
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# Some functions to make the below more readable
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KEYGEN=/usr/bin/ssh-keygen
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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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# pull in sysconfig settings
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[ -f /etc/sysconfig/sshd ] && . /etc/sysconfig/sshd
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fips_enabled() {
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if [ -r /proc/sys/crypto/fips_enabled ]; then
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cat /proc/sys/crypto/fips_enabled
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else
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echo 0
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fi
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}
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do_rsa1_keygen() {
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if [ ! -s $RSA1_KEY -a `fips_enabled` -eq 0 ]; then
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echo -n $"Generating SSH1 RSA host key: "
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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 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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fi
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success $"RSA1 key generation"
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echo
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else
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failure $"RSA1 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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do_rsa_keygen() {
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if [ ! -s $RSA_KEY ]; then
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echo -n $"Generating SSH2 RSA host key: "
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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 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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fi
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success $"RSA key generation"
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echo
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else
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failure $"RSA 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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do_dsa_keygen() {
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if [ ! -s $DSA_KEY ]; then
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echo -n $"Generating SSH2 DSA host key: "
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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 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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fi
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success $"DSA key generation"
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echo
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else
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failure $"DSA key generation"
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echo
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exit 1
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fi
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fi
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}
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# Create keys if necessary
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if [ "x${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_rsa1_keygen
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do_dsa_keygen
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fi
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fi
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