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improve ssh filter btrbk.sh#511

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calestyo wants to merge 12 commits intodigint:masterdigint/btrbk:masterfrom calestyo:improve-ssh_filter_btrbk.shcalestyo/btrbk:improve-ssh_filter_btrbk.shCopy head branch name to clipboard

+99-38

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Commits on Nov 20, 2022

• ssh_filter_btrbk.sh: use single quotes where possible

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• ssh_filter_btrbk.sh: double quote variables expansions

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Commits on Nov 21, 2022

• ssh_filter_btrbk.sh: remove unnecessary bashishms

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• ssh_filter_btrbk.sh: convert to POSIX sh

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• ssh_filter_btrbk.sh: use printf instead of echo

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• ssh_filter_btrbk.sh: set only needed directories in PATH

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• ssh_filter_btrbk.sh: use more common exit statuses

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• ssh_filter_btrbk.sh: replace OpenSSH’s deprecated SSH_CLIENT

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• ssh_filter_btrbk.sh: minor improvements

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• ssh_filter_btrbk.sh: further harden the shell execution environment

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Commits on Dec 4, 2022

• ssh_filter_btrbk.sh: properly normalise pathnames

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• ssh_filter_btrbk.sh: forbid non-absolute pathnames to --restrict-path

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