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359d3e119d
Currently, the scripts in src/scripts have multiple implementations for handling when common.sh fails to load, some of which are buggy. To simplify the boilerplate, these scripts now just exit if common.sh fails to load. The shell itself will print the following message if common.sh is not found: /usr/lib/crosutils/common.sh: No such file or directory BUG=chromium-os:32442 TEST=Run these scripts with and without common.sh installed. Change-Id: Ie54420b6c649774f9cb039c14c80f4cf6c6ebc07 Reviewed-on: https://gerrit.chromium.org/gerrit/27058 Reviewed-by: David James <davidjames@chromium.org> Tested-by: David James <davidjames@chromium.org> Commit-Ready: David James <davidjames@chromium.org>
74 lines
2.9 KiB
Bash
Executable File
74 lines
2.9 KiB
Bash
Executable File
#!/bin/bash
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# Copyright (c) 2012 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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# Script to modify a keyfob-based chromeos test image to log all dbus
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# activity from boot-time forward in a machine-readable replay format.
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# This is not part of the main "mod-for-test" for several reasons:
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# * it is overly invasive to the boot sequence,
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# * it has major run-time performance downsides,
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# * it consumes potentially huge amounts of disk space over time.
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# Any one of these are too-great of a depature from "normal" Chrome OS
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# to be appropriate for a "faithful" test-system. Note that dbus-monitor(1)
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# is available for casual/interactive use in normal mod-for-test systems.
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# Dbusspy-instrumented systems are only intended for narrow use cases, like
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# corpus collection for fuzzing, where the above trade-offs are acceptable.
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. "$(dirname "$0")/common.sh" || exit 1
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assert_inside_chroot
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DEFINE_string image "$FLAGS_image" "Location of the test image file" i
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# Parse command line
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FLAGS "$@" || exit 1
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eval set -- "$FLAGS_ARGV"
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FLAGS_image=$(eval readlink -f "${FLAGS_image}")
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IMAGE_DIR=$(dirname "${FLAGS_image}")
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IMAGE_NAME=$(basename "${FLAGS_image}")
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ROOT_FS_DIR="${IMAGE_DIR}/rootfs"
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DBUS_CONF="$(dirname "$0")/mod_for_dbusspy/dbus.conf"
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SYSTEM_LOCAL_CONF="$(dirname "$0")/mod_for_dbusspy/system-local.conf"
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DEVKEYS_DIR="/usr/share/vboot/devkeys"
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VBOOT_DIR="${CHROOT_TRUNK_DIR}/src/platform/vboot_reference/scripts/"\
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"image_signing"
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cleanup() {
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"${SCRIPTS_DIR}/mount_gpt_image.sh" -u -r "$ROOT_FS_DIR"
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}
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if [ ! -d "$VBOOT_DIR" ]; then
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die_notrace \
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"The required path: $VBOOT_DIR does not exist. This directory needs"\
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"to be sync'd into your chroot.\n $ cros_workon start vboot_reference"
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fi
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trap cleanup EXIT
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# Mounts gpt image and sets up var, /usr/local and symlinks.
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"$SCRIPTS_DIR/mount_gpt_image.sh" --image="$IMAGE_NAME" --from="$IMAGE_DIR" \
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--rootfs_mountpt="$ROOT_FS_DIR"
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# A bunch of existing stuff is set to start up as soon as dbus is considered
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# to have started. Instead of modifying all of those things to instead
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# wait for dbus-spy to be started, drop dbus-spy in as "dbus" which,
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# in turn, waits on "realdbus." This way we don't race other services
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# and are guaranteed to capture all dbus events from boot onward.
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sudo cp -a "${ROOT_FS_DIR}/etc/init/dbus.conf" \
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"${ROOT_FS_DIR}/etc/init/realdbus.conf"
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sudo cp "${DBUS_CONF}" "${ROOT_FS_DIR}/etc/init/dbus.conf"
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sudo cp "${SYSTEM_LOCAL_CONF}" "${ROOT_FS_DIR}/etc/dbus-1/system-local.conf"
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# Unmount and re-sign. See crosbug.com/18709 for why this isn't using
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# cros_make_image_bootable.
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cleanup
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TMP_BIN_PATH="${FLAGS_image}.new"
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"${VBOOT_DIR}/sign_official_build.sh" usb "${FLAGS_image}" \
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"${DEVKEYS_DIR}" \
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"${TMP_BIN_PATH}"
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mv "${TMP_BIN_PATH}" "${FLAGS_image}"
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