33 lines
1.2 KiB
Diff
33 lines
1.2 KiB
Diff
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From 09d24c06b52ff9aee3257cbd6bfc23ee72497da8 Mon Sep 17 00:00:00 2001
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From: David Tardon <dtardon@redhat.com>
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Date: Wed, 31 Jul 2024 16:16:17 +0200
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Subject: [PATCH] kernel-install: check machine ID
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Let's do at least a minimal check that the read machine ID is valid.
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RHEL-only: feature
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Related: RHEL-50672
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---
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src/kernel-install/kernel-install.in | 7 ++++++-
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1 file changed, 6 insertions(+), 1 deletion(-)
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diff --git a/src/kernel-install/kernel-install.in b/src/kernel-install/kernel-install.in
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index 25884fc0e2..440df56f54 100755
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--- a/src/kernel-install/kernel-install.in
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+++ b/src/kernel-install/kernel-install.in
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@@ -160,7 +160,12 @@ if [ -z "$MACHINE_ID" ] && [ -f /etc/machine-info ]; then
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fi
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if [ -z "$MACHINE_ID" ] && [ -s /etc/machine-id ]; then
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read -r MACHINE_ID </etc/machine-id
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- [ "$MACHINE_ID" = "uninitialized" ] && unset MACHINE_ID
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+ if [ "$MACHINE_ID" = "uninitialized" ]; then
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+ unset MACHINE_ID
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+ elif [ {{ '${#MACHINE_ID}' }} -ne 32 ]; then
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+ echo "Error: invalid machine-id $MACHINE_ID read from /etc/machine-id" >&2
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+ exit 1
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+ fi
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[ -n "$MACHINE_ID" ] && \
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log_verbose "machine-id $MACHINE_ID acquired from /etc/machine-id"
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fi
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