80 lines
2.0 KiB
Bash
80 lines
2.0 KiB
Bash
#!/bin/sh
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# Generate host keys if they are not already present. Taken from sshd
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# initscript.
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KEYGEN=/usr/bin/ssh-keygen
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SSHD=/usr/sbin/sshd
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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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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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if $KEYGEN -q -t rsa -b 4096 -f $RSA_KEY -C '' -N '' >&/dev/null; then
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chmod 600 $RSA_KEY
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chmod 644 $RSA_KEY.pub
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echo "Success: RSA key generation"
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echo
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else
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echo "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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if $KEYGEN -q -t dsa -f $DSA_KEY -C '' -N '' >&/dev/null; then
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chmod 600 $DSA_KEY
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chmod 644 $DSA_KEY.pub
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echo "Success: DSA key generation"
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echo
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else
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echo "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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do_ecdsa_keygen() {
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if [ ! -s $ECDSA_KEY ]; then
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echo -n $"Generating SSH2 ECDSA host key: "
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if $KEYGEN -q -t ecdsa -b 521 -f $ECDSA_KEY -C '' -N '' >&/dev/null; then
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chmod 600 $ECDSA_KEY
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chmod 644 $ECDSA_KEY.pub
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echo "Success: ECDSA key generation"
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echo
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else
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echo "Failure: ECDSA 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_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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if $KEYGEN -q -t ed25519 -f $ED25519_KEY -C '' -N '' >&/dev/null; then
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chmod 600 $ED25519_KEY
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chmod 644 $ED25519_KEY.pub
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echo "Success: ED25519 key generation"
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echo
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else
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echo "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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do_rsa_keygen
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do_dsa_keygen
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do_ecdsa_keygen
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do_ed25519_keygen
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exit 0;
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