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Talos-2 fixes to comply with hashing file standard. Bypass flash-gui.sh prompt when talos-2 ato validate hashes against hashes provided under tgz through flash.sh validation (still offer zip and tgz, which tgz might change to zip later but only tgz offered through builds)

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Attempt to address https://github.com/linuxboot/heads/pull/1526#issuecomment-1811185197

Signed-off-by: Thierry Laurion <insurgo@riseup.net>
This commit is contained in:
Thierry Laurion 2023-11-15 10:00:37 -05:00 committed by Jonathon Hall
parent 6ef5298d20
commit 56d38e112c
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GPG Key ID: 1E9C3CA91AE25114
3 changed files with 14 additions and 3 deletions
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2
boards/talos-2/talos-2.config
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@ -64,6 +64,6 @@ $(board_build)/$(OUTPUT_PREFIX).tgz: \
rm -rf $(board_build)/pkg # cleanup in case directory exists
mkdir $(board_build)/pkg
cp $^ $(board_build)/pkg
cd $(board_build)/pkg && sha256sum * > hashes.txt
cd $(board_build)/pkg && sha256sum * > sha256sum.txt
cd $(board_build)/pkg && tar zcf $@ *
rm -r $(board_build)/pkg

13
initrd/bin/flash-gui.sh
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@ -63,7 +63,11 @@ while true; do
--yesno "You will need to insert a USB drive containing your BIOS image (*.$UPDATE_PKG_EXT or\n*.$UPDATE_PLAIN_EXT).\n\nAfter you select this file, this program will reflash your BIOS.\n\nDo you want to proceed?" 0 80); then
mount_usb
if grep -q /media /proc/mounts; then
find /media ! -path '*/\.*' -type f \( -name "*.$UPDATE_PLAIN_EXT" -o -type f -name "*.$UPDATE_PKG_EXT" \) | sort >/tmp/filelist.txt
if [ "${CONFIG_BOARD%_*}" = talos-2 ]; then
find /media ! -path '*/\.*' -type f -name "*.$UPDATE_PLAIN_EXT" | sort >/tmp/filelist.txt
else
find /media ! -path '*/\.*' -type f \( -name "*.$UPDATE_PLAIN_EXT" -o -type f -name "*.$UPDATE_PKG_EXT" \) | sort >/tmp/filelist.txt
fi
file_selector "/tmp/filelist.txt" "Choose the ROM to flash"
if [ "$FILE" == "" ]; then
exit 1
@ -109,12 +113,19 @@ while true; do
# Continue on using the verified ROM
ROM="$PACKAGE_ROM"
else
# talos-2 uses a .tgz file for its "plain" update, contains other parts as well, validated against hashes under flash.sh
# Skip prompt for hash validation for talos-2. Only method is through tgz or through bmc with individual parts
if [ "${CONFIG_BOARD%_*}" != talos-2 ]; then
# a rom file was provided. exit if we shall not proceed
ROM="$PKG_FILE"
ROM_HASH=$(sha256sum "$ROM" | awk '{print $1}') || die "Failed to hash ROM file"
if ! (whiptail $CONFIG_ERROR_BG_COLOR --title 'Flash ROM without integrity check?' \
--yesno "You have provided a *.$UPDATE_PLAIN_EXT file. The integrity of the file can not be\nchecked automatically for this file type.\n\nROM: $ROM\nSHA256SUM: $ROM_HASH\n\nIf you do not know how to check the file integrity yourself,\nyou should use a *.$UPDATE_PKG_EXT file instead.\n\nIf the file is damaged, you will not be able to boot anymore.\nDo you want to proceed flashing without file integrity check?" 0 80); then
exit 1
fi
else
#We are on talos-2, so we have a tgz file. We will pass it directly to flash.sh which will take care of it
ROM="$PKG_FILE"
fi
fi

2
initrd/bin/flash.sh
View File

@ -180,7 +180,7 @@ if [ "$READ" -eq 0 ] && [ "${ROM##*.}" = tgz ]; then
mkdir /tmp/verified_rom
tar -C /tmp/verified_rom -xf $ROM || die "Rom archive $ROM could not be extracted"
if ! (cd /tmp/verified_rom/ && sha256sum -cs hashes.txt); then
if ! (cd /tmp/verified_rom/ && sha256sum -cs sha256sum.txt); then
die "Provided tgz image did not pass hash verification"
fi