43 lines
1 KiB
Bash
43 lines
1 KiB
Bash
#! /bin/bash
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# This script creates a new ssh key-pair and sets it up to be able to deploy to a specific directory only
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# Abort on any mistake
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set -e
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# configurable constants for this script
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KEY_DIR=/var/lib/pages-manager/keys/
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PAGES_USER=pages
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DEPLOY_SCRIPT=/home/${PAGES_USER}/deploy.sh
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mkdir -p "${KEY_DIR}"
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if [ "$#" -ne 1 ]; then
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echo "Usage: $0 DEPLOY_SUBDIR"
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fi
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KEYNAME=$1
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KEYFILE="${KEY_DIR}/id_${KEYNAME/\//.}"
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if [ -e "${KEYFILE}" ]; then
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echo "Found existing key in ${KEYFILE}, aborting."
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echo "Printing private key:"
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cat "${KEYFILE}"
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exit 1
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fi
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mkdir -p "${KEY_DIR}"
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chmod 700 "${KEY_DIR}"
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# generate key
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ssh-keygen -t ed25519 -f "${KEYFILE}" -N "" -C "deployment key for ${KEYNAME}" > /dev/null
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# add public key
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echo "command=\"${DEPLOY_SCRIPT} ${KEYNAME}\",no-port-forwarding,no-agent-forwarding,no-X11-forwarding,no-pty,no-user-rc,restrict $(cat ${KEYFILE}.pub)" >> "/home/${PAGES_USER}/.ssh/authorized_keys"
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echo "Generate and configured new key in ${KEYFILE}"
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echo "Printing private key:"
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cat "${KEYFILE}"
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exit 0
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