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f984f20a3f
This script is short and should run on any Ubuntu system, outside the chroot. This will help testers and release-engineers see the checksums that .bin files contain. BUG=chromium-os:18940 TEST=manually ran outside chroot Change-Id: Ib742f946d0724c57d67e7bd1236f4a490d996313 Reviewed-on: http://gerrit.chromium.org/gerrit/5613 Reviewed-by: Andrew de los Reyes <adlr@chromium.org> Tested-by: Andrew de los Reyes <adlr@chromium.org>
51 lines
1.3 KiB
Bash
Executable File
51 lines
1.3 KiB
Bash
Executable File
#!/bin/sh
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# Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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# This should be able to run outside the chroot on a standard Ubuntu system.
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BINFILE="$1"
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if [ -z "$BINFILE" ]; then
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echo "usage: $0 .../path/to/file.bin"
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exit 1
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fi
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parted "$BINFILE" unit s print | awk -v BF="$BINFILE" '
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/KERN-|ROOT-/ {
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# Common things
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printf "Partition " $1 " (" $NF "): "
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start=substr($2, 0, length($2) - 1) # strip trailing "s"
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}
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/KERN-/ {
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cnt=substr($4, 0, length($4) - 1)
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system("dd if=\"" BF "\" bs=512 skip=" start " count=" cnt \
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" 2>/dev/null | openssl dgst -sha256 -binary | openssl base64")
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}
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/ROOT-/ {
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# we have rootfs. find the filesystem size
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"mktemp" | getline tmpfile
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close("mktemp")
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system("dd if=" BF " bs=512 skip=" start \
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" count=400 of=" tmpfile " 2>/dev/null") # copy superblock
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blkcnt = 0
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cmd = "dumpe2fs " tmpfile " 2>/dev/null | grep \"Block count\" | \
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sed \"s/[^0-9]*//\""
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cmd | getline blkcnt
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close(cmd)
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system("rm -f " tmpfile)
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if (blkcnt > 0) {
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blkcnt *= 8 # 4096 byte blocks -> 512 byte sectors
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system("dd if=\"" BF "\" bs=512 skip=" start " count=" blkcnt \
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" 2>/dev/null | openssl dgst -sha256 -binary | openssl base64")
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} else {
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print "invalid filesystem"
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}
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}
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'
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