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From 0654fd3f3fd1ebc080cb1140774120d8f392137b Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Renaud=20M=C3=A9trich?=
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<1163635+rmetrich@users.noreply.github.com>
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Date: Wed, 1 Dec 2021 09:37:35 -0300
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Subject: [PATCH] luks: enable debugging in clevis scripts when rd.debug is set
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(#340)
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On Fedora/RHEL, the rd.debug kernel command line parameter controls
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debugging.
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By implementing the functionality inside clevis, troubleshooting will be
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greatly eased.
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See RHBZ #1980742 (https://bugzilla.redhat.com/show_bug.cgi?id=1980742).
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---
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src/luks/clevis-luks-common-functions.in | 15 +++++++++++++++
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1 file changed, 15 insertions(+)
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diff --git a/src/luks/clevis-luks-common-functions.in b/src/luks/clevis-luks-common-functions.in
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index d059aae..87b370f 100644
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--- a/src/luks/clevis-luks-common-functions.in
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+++ b/src/luks/clevis-luks-common-functions.in
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@@ -20,6 +20,21 @@
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CLEVIS_UUID="cb6e8904-81ff-40da-a84a-07ab9ab5715e"
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+enable_debugging() {
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+ # Automatically enable debugging if in initramfs phase and rd.debug
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+ if [ -e /usr/lib/dracut-lib.sh ]; then
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+ local bashopts=$-
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+ # Because dracut is loosely written, disable hardening options temporarily
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+ [[ $bashopts != *u* ]] || set +u
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+ [[ $bashopts != *e* ]] || set +e
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+ . /usr/lib/dracut-lib.sh
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+ [[ $bashopts != *u* ]] || set -u
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+ [[ $bashopts != *e* ]] || set -e
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+ fi
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+}
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+
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+enable_debugging
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+
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# valid_slot() will check whether a given slot is possibly valid, i.e., if it
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# is a numeric value within the specified range.
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valid_slot() {
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--
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2.35.1
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