48 lines
1.6 KiB
Bash
Executable File
48 lines
1.6 KiB
Bash
Executable File
#!/usr/bin/env bash
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set -euo pipefail
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while read -t2 -r cmdline; do
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cmd=(${cmdline})
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for (( i=0; i<${#cmd[@]}; i++ )); do
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arg="${cmd[$i]}"
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arg="${arg}x"
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arg="$(sed 's/+s/ /g' <<< "${arg}")"
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arg="$(sed 's/+n/\n/g' <<< "${arg}")"
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arg="$(sed 's/+t/\t/g' <<< "${arg}")"
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arg="$(sed 's/+p/+/g' <<< "${arg}")"
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arg="${arg%x}"
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cmd[$i]="${arg}"
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done
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if (( "${#cmd[@]}" > 0 )); then
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case "${cmd[0]}" in
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ping) ;;
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exec|pty)
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if (( "${#cmd[@]}" < 3 )); then
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echo >&2 "usage: (exec|pty) UUID ARG..."
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else
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if [[ "${cmd[0]}" == pty ]]; then
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maybe_pty=/var/cache/riju/share/riju-pty
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fi
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uuid="${cmd[1]}"
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args=("${cmd[@]:2}")
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input="/var/cache/riju/share/cmd-${uuid}-input"
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output="/var/cache/riju/share/cmd-${uuid}-output"
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status="/var/cache/riju/share/cmd-${uuid}-status"
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mkfifo "${input}" "${output}" "${status}"
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(
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set +e
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${maybe_pty:-} runuser -u riju -- bash -c 'exec "$@"' sentinel "${args[@]}" < "${input}" &> "${output}"
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echo "$?" > "${status}"
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) &
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fi
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;;
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*)
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echo >&2 "unrecognized command: ${cmd[0]}"
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;;
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esac
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fi
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done < /var/cache/riju/share/control
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