28 lines
1.4 KiB
Bash
28 lines
1.4 KiB
Bash
#!/bin/bash
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set -euo pipefail
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# Restore only profiles already generated by the installed Certbot/core snaps.
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# This does not enable the global AppArmor service or change profile modes.
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[[ $(id -u) == 0 ]] || exit 1
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mode=${1:---load}
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[[ $# -le 1 && ( $mode == --load || $mode == --check ) ]] || exit 2
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[[ $(cat /sys/module/apparmor/parameters/enabled) == Y ]] || exit 3
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directory=/var/lib/snapd/apparmor/profiles
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[[ -d $directory && ! -L $directory && $(stat -c %u "$directory") == 0 ]] || exit 4
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[[ -z $(find "$directory" -maxdepth 0 -perm /022 -print) ]] || exit 4
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[[ -f $directory/snap.certbot.certbot && -f $directory/snap.certbot.renew ]] || exit 5
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shopt -s nullglob
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profiles=("$directory"/snap.certbot.* "$directory"/snap-update-ns.certbot "$directory"/snap-confine.core.*)
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(( ${#profiles[@]} >= 4 )) || exit 5
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# Validate every input before loading any profile. Never use complain/disable flags.
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for profile in "${profiles[@]}"; do
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[[ -f $profile && ! -L $profile && $(stat -c %u "$profile") == 0 ]] || exit 6
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[[ -z $(find "$profile" -maxdepth 0 -perm /022 -print) ]] || exit 6
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/usr/sbin/apparmor_parser --skip-kernel-load --skip-cache "$profile"
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done
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if [[ $mode == --load ]]; then
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for profile in "${profiles[@]}"; do
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/usr/sbin/apparmor_parser --replace --skip-cache "$profile"
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done
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fi
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printf 'Certbot/core profiles checked: %s; mode: %s\n' "${#profiles[@]}" "$mode"
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