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From 2a16458622be983aba3762079d7a72383bd8be02 Mon Sep 17 00:00:00 2001
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From: Sergio Correia <scorreia@redhat.com>
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Date: Fri, 29 Oct 2021 10:58:26 -0300
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Subject: [PATCH 2/2] systemd: account for unlocking failures in
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clevis-luks-askpass
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As unlock may fail for some reason, e.g. the network is not up yet,
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one way cause problems would be to add extra `rd.luks.uuid' params
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to the cmdline, which would then cause such devices to be unlocked
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in early boot. If the unlocking fail, those devices might not be
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accounted for in the clevis_devices_to_unlock() check, as it is
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based on crypttab.
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Let's make sure there are no pending ask.* sockets waiting to be
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answered, before exiting.
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Related: https://bugzilla.redhat.com/show_bug.cgi?id=1878892
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---
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src/luks/systemd/clevis-luks-askpass.in | 5 ++++-
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1 file changed, 4 insertions(+), 1 deletion(-)
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diff --git a/src/luks/systemd/clevis-luks-askpass.in b/src/luks/systemd/clevis-luks-askpass.in
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index 8f54859..a6699c9 100755
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--- a/src/luks/systemd/clevis-luks-askpass.in
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+++ b/src/luks/systemd/clevis-luks-askpass.in
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@@ -67,8 +67,11 @@ while true; do
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done
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[ "${loop}" != true ] && break
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+
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# Checking for pending devices to be unlocked.
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- if remaining=$(clevis_devices_to_unlock) && [ -z "${remaining}" ]; then
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+ remaining_crypttab=$(clevis_devices_to_unlock) ||:
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+ remaining_askfiles=$(ls "${path}"/ask.* 2>/dev/null) ||:
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+ if [ -z "${remaining_crypttab}" ] && [ -z "${remaining_askfiles}" ]; then
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break;
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fi
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--
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2.33.1
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