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28 lines
620 B
Bash
Executable file
28 lines
620 B
Bash
Executable file
#! /usr/bin/env bash
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# vim: set filetype=sh ts=4 sw=4 sts=4 et:
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if [ "$USER" != "bastionsync" ]; then
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echo "Unexpected user, aborting" >&2
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exit 2
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fi
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if [ -z "$SSH_CONNECTION" ]; then
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echo "Bad environment, aborting" >&2
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exit 3
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fi
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if [ "$1" != "-c" ]; then
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echo "Interactive session denied, aborting" >&2
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exit 4
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fi
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shift
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# shellcheck disable=SC2068
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set -- $@
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if [ "$1 $2" != "rsync --server" ]; then
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echo "Only rsync is allowed, aborting" >&2
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exit 5
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fi
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shift
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shift
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if ! cd /; then
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echo "Failed to chdir /, aborting" >&2
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exit 6
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fi
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exec /usr/bin/sudo -- /usr/bin/rsync --server "$@"
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