134 lines
4.5 KiB
Bash
Executable File
134 lines
4.5 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -e
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PROJECT_PATH=$(dirname $0)
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WHOAMI="$(id -un)"
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if [ "$(uname -s)" = "Linux" ]
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then
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MYGROUP="${WHOAMI}"
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else
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MYGROUP="staff"
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fi
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if [ $(id -u) -eq 0 ]
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then
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printf 'Do not run this script as root.\n'
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exit 1
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fi
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check() {
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while ! [[ "${ANSWER}" =~ ^[YyNn] ]]
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do
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read -r -p "$1" ANSWER
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done
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if [[ "${ANSWER}" =~ ^[Yy] ]]
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then
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return 0
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fi
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return 1
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}
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setup_base() {
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printf 'Change ownership of "%s" to "%s"? (setup may fail otherwise)\n' "${PROJECT_PATH}" "${WHOAMI}"
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printf 'running: "sudo chown -R %s %s"\n' "${WHOAMI}:${MYGROUP}" "${PROJECT_PATH}"
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if check 'Continue? [Y/n] '
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then
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sudo chown -R "${WHOAMI}:${MYGROUP}" "${PROJECT_PATH}"
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fi
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mkdir -p "${PROJECT_PATH}/config" "${PROJECT_PATH}/caddy_data" "${PROJECT_PATH}/etc/ssh/.ssh"
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touch "${PROJECT_PATH}/config/Caddyfile" "${PROJECT_PATH}/etc/ssh/.ssh/authorized_keys"
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if [ "$(uname -s)" = 'Darwin' ] && [ ! -w '/etc/hosts' ]
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then
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printf 'On MacOS docker is run by your local user (not root).\nYour user has no write permission for "/etc/hosts".\nRunning: "sudo chown %s /etc/hosts"\n' "${WHOAMI}"
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if check 'Continue? [Y/n] '
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then
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sudo chown "${WHOAMI}" '/etc/hosts'
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fi
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fi
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}
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setup_myssh() {
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# Always copy newest version to bin
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mkdir -p "${HOME}/bin"
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cp "${PROJECT_PATH}/script/myssh" "${HOME}/bin/myssh"
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# Detect Shell Init Path
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if [[ "${SHELL}" =~ bin/bash$ ]]
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then
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RC_FILE=".bashrc"
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elif [[ "${SHELL}" =~ bin/zsh$ ]]
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then
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RC_FILE=".zshrc"
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else
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printf 'Unable to detect Shell Configuration.\nPlease add %s to your PATH variable.\n' "${HOME}/bin"
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return 0
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fi
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touch "${HOME}/${RC_FILE}"
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if [ -f "${HOME}/${RC_FILE}" ] && [[ ! "${PATH}" =~ "${HOME}/bin" ]] && ! grep -qe '^PATH="${PATH}:${HOME}/bin"$' "${HOME}/${RC_FILE}" 2> /dev/null
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then
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printf 'PATH="${PATH}:${HOME}/bin"\n' >> "${HOME}/${RC_FILE}"
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fi
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}
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setup_sqlproxy() {
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if [ ! -f "${PROJECT_PATH}/etc/ssh/ssh_host_ed25519_key" ]
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then
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printf "Generating sqlproxy SSHD keys\n"
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ssh-keygen -f "${PROJECT_PATH}" -A
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fi
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if check 'Auto generate client keys+config? [Y/n] '
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then
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mkdir -p "${HOME}/.ssh"
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read -r -p 'Key Name (default: sqlproxy): ' KEY_NAME
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KEY_NAME="${KEY_NAME:-sqlproxy}"
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# Only add key if it does not already exist
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if [ ! -f "${HOME}/.ssh/${KEY_NAME}" ]
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then
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ssh-keygen -t ed25519 -f "${HOME}/.ssh/${KEY_NAME}" -C "$(date +'%Y.%m.%d')_${WHOAMI}@${HOSTNAME}"
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else
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printf 'Key "%s" already exists. Using existing key.\n' "${HOME}/.ssh/${KEY_NAME}"
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fi
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read -r -p 'Target Host (default: "localhost"): ' HOST_NAME
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HOST_NAME="${HOST_NAME:-localhost}"
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# Check if there is an entry for $HOST_NAME in the users ssh config
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if ! grep -qe "$(printf '^Host %s$' "sqlproxy.${HOST_NAME}")" "${HOME}/.ssh/config" 2>/dev/null
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then
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printf '\nHost sqlproxy.%s\n HostName %s\n Port 3022\n User sqlproxy\n IdentityFile ~/.ssh/%s' "${HOST_NAME}" "${HOST_NAME}" "${KEY_NAME}" >> "${HOME}/.ssh/config"
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else
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printf 'User ssh configuration located in "%s" already has a configuration for host "%s".\nMake sure your configuration matches the following:\n' "${HOME}/.ssh/config" "${HOST_NAME}"
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printf '"""\nHost sqlproxy.%s\n HostName %s\n Port 3022\n User sqlproxy\n IdentityFile ~/.ssh/%s\n"""\n' "${HOST_NAME}" "${HOST_NAME}" "${KEY_NAME}"
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fi
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# Check if public key is already in the containers authorized_keys file
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PUB_KEY="$(cat ${HOME}/.ssh/${KEY_NAME}.pub)"
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if ! grep -qe "$(printf '%s$' "${PUB_KEY}")" "${PROJECT_PATH}/etc/ssh/.ssh/authorized_keys"
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then
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printf 'command="/sqlproxy_cli.sh" %s\n' "${PUB_KEY}" >> "${PROJECT_PATH}/etc/ssh/.ssh/authorized_keys"
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fi
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else
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printf 'Not generating client ssh key.\nPlease put your desired public keys into %s\nAlso add %s in front of your key\n' "${PROJECT_PATH}/etc/ssh/.ssh/authorized_keys" "'command=\"/sqlproxy_cli.sh\" '"
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fi
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}
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setup_base
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if check 'Install myssh binary? [Y/n] '
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then
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setup_myssh
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fi
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if check 'Configure sql proxy? [Y/n] '
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then
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setup_sqlproxy
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fi
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printf 'Restarting sql proxy (if running) to fix permissions.\n'
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docker compose --project-directory "${PROJECT_PATH}" -f "${PROJECT_PATH}/docker-compose.yml" restart sshd
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