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From 69a889ee675822102d04e99a25bdc92aa977263a Mon Sep 17 00:00:00 2001
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From: Lukas Nykryn <lnykryn@redhat.com>
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Date: Tue, 26 Dec 2017 12:18:47 +0100
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Subject: [PATCH] 01fips: Properly fix creating path to .hmac of kernel based
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on BOOT_IMAGE
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8f5c5 broke the case where BOOT_IMAGE is not set at all.
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This code should handle following:
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1) BOOT_IMAGE not set
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2) BOOT_IMAGE set to something unrelated (s390)
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3) BOOT_IMAGE=vmlinuz-4.14.7-300.fc27.x86_64
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4) BOOT_IMAGE=/vmlinuz-4.14.7-300.fc27.x86_64
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5) BOOT_IMAGE=/boot/vmlinuz-4.14.7-300.fc27.x86_64
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6) BOOT_IMAGE=subdir/vmlinuz-4.14.7-300.fc27.x86_64
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7) BOOT_IMAGE=/subdir/vmlinuz-4.14.7-300.fc27.x86_64
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8) BOOT_IMAGE=/boot/subdir/vmlinuz-4.14.7-300.fc27.x86_64
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https://bugzilla.redhat.com/show_bug.cgi?id=1415032
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Cherry-picked from: d818986db485fc57a76a247a8475c3144acd33dc
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Resolves: #1415032
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---
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modules.d/01fips/fips.sh | 20 +++++++++++++++-----
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1 file changed, 15 insertions(+), 5 deletions(-)
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diff --git a/modules.d/01fips/fips.sh b/modules.d/01fips/fips.sh
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index 6c5dd60f..c72c1273 100755
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--- a/modules.d/01fips/fips.sh
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+++ b/modules.d/01fips/fips.sh
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@@ -112,18 +112,28 @@ do_fips()
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do_rhevh_check /run/initramfs/live/isolinux/vmlinuz0 || return 1
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else
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BOOT_IMAGE="$(getarg BOOT_IMAGE)"
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- if ! [ -e "/boot/${BOOT_IMAGE}" ]; then
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+ BOOT_IMAGE_NAME="${BOOT_IMAGE##*/}"
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+ BOOT_IMAGE_PATH="${BOOT_IMAGE%${BOOT_IMAGE_NAME}}"
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+
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+ if [ -z "$BOOT_IMAGE_NAME" ]; then
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+ BOOT_IMAGE_NAME="vmlinuz-${KERNEL}"
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+ elif ! [ -e "/boot/${BOOT_IMAGE_PATH}/${BOOT_IMAGE}" ]; then
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#if /boot is not a separate partition BOOT_IMAGE might start with /boot
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- BOOT_IMAGE=${BOOT_IMAGE#"/boot"}
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- [ -e "/boot/${BOOT_IMAGE}" ] || BOOT_IMAGE="vmlinuz-${KERNEL}"
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+ BOOT_IMAGE_PATH=${BOOT_IMAGE_PATH#"/boot"}
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+ #on some achitectures BOOT_IMAGE does not contain path to kernel
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+ #so if we can't find anything, let's treat it in the same way as if it was empty
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+ if ! [ -e "/boot/${BOOT_IMAGE_PATH}/${BOOT_IMAGE_NAME}" ]; then
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+ BOOT_IMAGE_NAME="vmlinuz-${KERNEL}"
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+ BOOT_IMAGE_PATH=""
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+ fi
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fi
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-
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- BOOT_IMAGE_HMAC="/boot/${BOOT_IMAGE%/*}/.${BOOT_IMAGE##*/}.hmac"
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+ BOOT_IMAGE_HMAC="/boot/${BOOT_IMAGE_PATH}.${BOOT_IMAGE_NAME}.hmac"
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if ! [ -e "${BOOT_IMAGE_HMAC}" ]; then
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warn "${BOOT_IMAGE_HMAC} does not exist"
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return 1
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fi
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+
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sha512hmac -c "${BOOT_IMAGE_HMAC}" || return 1
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fi
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