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66 lines
2.4 KiB
66 lines
2.4 KiB
#!/bin/bash |
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if [ ! -d /data/ssh ]; then |
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mkdir -p /data/ssh |
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fi |
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if [ ! -f /data/ssh/ssh_host_ed25519_key ]; then |
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echo "Generating /data/ssh/ssh_host_ed25519_key..." |
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ssh-keygen -t ed25519 -f /data/ssh/ssh_host_ed25519_key -N "" > /dev/null |
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fi |
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if [ ! -f /data/ssh/ssh_host_rsa_key ]; then |
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echo "Generating /data/ssh/ssh_host_rsa_key..." |
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ssh-keygen -t rsa -b 3072 -f /data/ssh/ssh_host_rsa_key -N "" > /dev/null |
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fi |
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if [ ! -f /data/ssh/ssh_host_ecdsa_key ]; then |
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echo "Generating /data/ssh/ssh_host_ecdsa_key..." |
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ssh-keygen -t ecdsa -b 256 -f /data/ssh/ssh_host_ecdsa_key -N "" > /dev/null |
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fi |
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if [ -e /data/ssh/ssh_host_ed25519_cert ]; then |
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SSH_ED25519_CERT=${SSH_ED25519_CERT:-"/data/ssh/ssh_host_ed25519_cert"} |
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fi |
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if [ -e /data/ssh/ssh_host_rsa_cert ]; then |
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SSH_RSA_CERT=${SSH_RSA_CERT:-"/data/ssh/ssh_host_rsa_cert"} |
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fi |
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if [ -e /data/ssh/ssh_host_ecdsa_cert ]; then |
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SSH_ECDSA_CERT=${SSH_ECDSA_CERT:-"/data/ssh/ssh_host_ecdsa_cert"} |
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fi |
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# In case someone wants to sign the `{keyname}.pub` key by `ssh-keygen -s ca -I identity ...` to |
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# make use of the ssh-key certificate authority feature (see ssh-keygen CERTIFICATES section), |
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# the generated key file name is `{keyname}-cert.pub` |
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if [ -e /data/ssh/ssh_host_ed25519_key-cert.pub ]; then |
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SSH_ED25519_CERT=${SSH_ED25519_CERT:-"/data/ssh/ssh_host_ed25519_key-cert.pub"} |
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fi |
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if [ -e /data/ssh/ssh_host_rsa_key-cert.pub ]; then |
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SSH_RSA_CERT=${SSH_RSA_CERT:-"/data/ssh/ssh_host_rsa_key-cert.pub"} |
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fi |
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if [ -e /data/ssh/ssh_host_ecdsa_key-cert.pub ]; then |
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SSH_ECDSA_CERT=${SSH_ECDSA_CERT:-"/data/ssh/ssh_host_ecdsa_key-cert.pub"} |
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fi |
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if [ -d /etc/ssh ]; then |
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SSH_PORT=${SSH_PORT:-"22"} \ |
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SSH_LISTEN_PORT=${SSH_LISTEN_PORT:-"${SSH_PORT}"} \ |
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SSH_ED25519_CERT="${SSH_ED25519_CERT:+"HostCertificate "}${SSH_ED25519_CERT}" \ |
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SSH_RSA_CERT="${SSH_RSA_CERT:+"HostCertificate "}${SSH_RSA_CERT}" \ |
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SSH_ECDSA_CERT="${SSH_ECDSA_CERT:+"HostCertificate "}${SSH_ECDSA_CERT}" \ |
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SSH_MAX_STARTUPS="${SSH_MAX_STARTUPS:+"MaxStartups "}${SSH_MAX_STARTUPS}" \ |
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SSH_MAX_SESSIONS="${SSH_MAX_SESSIONS:+"MaxSessions "}${SSH_MAX_SESSIONS}" \ |
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SSH_INCLUDE_FILE="${SSH_INCLUDE_FILE:+"Include "}${SSH_INCLUDE_FILE}" \ |
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SSH_LOG_LEVEL=${SSH_LOG_LEVEL:-"INFO"} \ |
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envsubst < /etc/templates/sshd_config > /etc/ssh/sshd_config |
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chmod 0644 /etc/ssh/sshd_config |
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fi |
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chown root:root /data/ssh/* |
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chmod 0700 /data/ssh |
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chmod 0600 /data/ssh/*
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