variables

scripts/ssh-server-check.sh

@@ -4,6 +4,12 @@ GREEN_CHECK="\e[32m✔\e[0m"
 RED_X="\e[31m✗\e[0m"
 YELLOW_BANG="\e[33m!\e[0m"
 
+SSH_CFG_DIR="/etc/ssh"
+SSH_USER_CA="$SSH_CFG_DIR/ssh_user_ca.pub"
+SSH_HOST_KEY="$SSH_CFG_DIR/ssh_host_ed25519_key"
+SSH_HOST_PUBLIC_KEY="$SSH_HOST_KEY.pub"
+SSH_HOST_CERT="$SSH_HOST_KEY-cert.pub"
+
 #
 # Function Definition
 #
@@ -23,6 +29,18 @@ ssh_config_val() {
 }
 
 
+sign_host_cert() {
+    local if="eth0"
+    local IP_ADDRESS=$(ip -4 addr show dev $if | awk '/inet /{print $2}' | cut -d/ -f1) && \
+    local hostname=$(hostname -s) && \
+    step ssh certificate --host --sign \
+    --principal "$hostname" \
+    --principal "$hostname.john-stream.com" \
+    --principal "$IP_ADDRESS" \
+    --provisioner admin \
+    "$hostname" "$SSH_HOST_PUBLIC_KEY"
+}
+
 
 check_ssh_files() {
     row_success() {
@@ -113,6 +131,18 @@ check_cert_config() {
     local base_dir="/etc/ssh/sshd_config.d"
     local cfg_path="$base_dir/${1:-certs.conf}"
 
+    install_cert_config() {
+        mkdir -p $(dirname $cfg_path)
+
+        cat <<EOF > $cfg_path
+TrustedUserCAKeys $SSH_USER_CA
+HostKey $SSH_HOST_KEY
+HostCertificate $SSH_HOST_CERT
+EOF
+
+        echo -e "$GREEN_CHECK  Configured sshd to use and accept SSH certs."
+    }
+
     if [[ ! -e $cfg_path ]]; then
         echo -e "$YELLOW_BANG  sshd not configured to use SSH certs"
         read -p "Do you want to configure sshd? (y/n) " -n 1 -r
@@ -124,22 +154,6 @@ check_cert_config() {
     fi
 }
 
-install_cert_config() {
-    local base_dir="/etc/ssh/sshd_config.d"
-    local cfg_path="${1:-$base_dir/certs.conf}"
-
-    mkdir -p $(dirname $cfg_path)
-
-    cat <<EOF > $cfg_path
-TrustedUserCAKeys /etc/ssh/ssh_user_ca.pub
-HostKey /etc/ssh/ssh_host_ed25519_key
-HostCertificate /etc/ssh/ssh_host_ed25519_key-cert.pub
-EOF
-
-    echo -e "$GREEN_CHECK  Configured sshd to use and accept SSH certs."
-}
-
-
 restart_sshd() {
     if systemctl is-active --quiet sshd; then
         local sshd_pid=$(systemctl show --property MainPID --value sshd)