diff options
Diffstat (limited to 'tools/ota/otatool')
| -rwxr-xr-x | tools/ota/otatool | 225 |
1 files changed, 225 insertions, 0 deletions
diff --git a/tools/ota/otatool b/tools/ota/otatool new file mode 100755 index 0000000..4b02629 --- /dev/null +++ b/tools/ota/otatool @@ -0,0 +1,225 @@ +#!/bin/bash +# +# Copyright (C) 2007 The Android Open Source Project +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. +# + +PROGNAME=`basename "$0"` + +INSTALL_SCRIPT_NAME=META-INF/com/android/update-script + +function cleantmp +{ + if [ ! -z "$TMPDIR" ] + then + rm -rf "$TMPDIR" + TMPDIR= + fi +} + +function println +{ + if [ $# -gt 0 ] + then + echo "$PROGNAME: $@" + fi +} + +function fail +{ + println "$@" + cleantmp + exit 1 +} + +function usage +{ + println "$@" + echo "Usage: $PROGNAME <command> [command-options] <ota-file>" + echo " Where <command> is one of:" + echo " --dump" + echo " Dump a description of the ota file" + echo " --dump-script" + echo " Dumps the install script to standard out" + echo " --append-script <file> -o|--output <outfile>" + echo " Append the contents of <file> to the install script" + echo " --replace-script <file> -o|--output <outfile>" + echo " Replace the install script with the contents of <file>" + fail +} + +if [ $# -lt 2 ] +then + usage +fi +CMD="$1" +shift +if [ "$CMD" = --dump ] +then + CMD_DUMP=1 + UNPACK_FILE=1 +elif [ "$CMD" = --dump-script ] +then + CMD_DUMP_SCRIPT=1 +elif [ "$CMD" = --append-script ] +then + CMD_APPEND_SCRIPT=1 + SCRIPT_FILE=$1 + shift + NEEDS_SCRIPT_FILE=1 + NEEDS_OUTPUT=1 +elif [ "$CMD" = --replace-script ] +then + CMD_REPLACE_SCRIPT=1 + SCRIPT_FILE=$1 + shift + NEEDS_SCRIPT_FILE=1 + NEEDS_OUTPUT=1 +else + usage "Unknown command $CMD" +fi + +if [ ! -z "$NEED_SCRIPT_FILE" ] +then + if [ -z "$SCRIPT_FILE" -o ! -f "$SCRIPT_FILE" ] + then + usage "$CMD requires a valid script file" + fi +fi + +if [ ! -z "$NEEDS_OUTPUT" ] +then + if [ "x$1" != "x-o" -a "x$1" != "x--output" ] + then + usage "$CMD requires \"-o <file>\" or \"--output <file>\"" + fi + shift + + OUTFILE="$1" + shift + if [ -z "$OUTFILE" ] + then + usage "$CMD requires \"-o <file>\" or \"--output <file>\"" + fi + if [ -d "$OUTFILE" ] + then + fail "Output file \"$OUTFILE\" is a directory" + fi +fi + +FILE="$1" +if [ ! -f "$FILE" ] +then + fail "$FILE doesn't exist or isn't a file" +fi +if [ ! -z "$OUTFILE" -a "$FILE" -ef "$OUTFILE" ] +then + fail "Refusing to use the input file as the output file" +fi + +if [ $CMD_DUMP_SCRIPT ] +then + unzip -p "$FILE" "$INSTALL_SCRIPT_NAME" + exit 0 +fi + +# Create a temporary directory for scratch files. +# +TMPDIR=`mktemp -d /tmp/$PROGNAME.XXXXXX` +if [ $? -ne 0 ] +then + TMPDIR= + fail "Can't create temporary directory" +fi + + +if [ $UNPACK_FILE ] +then + ROOTDIR="$TMPDIR/root" + mkdir -p "$ROOTDIR" + + println "Unpacking `basename $FILE`..." + + unzip -q -d "$ROOTDIR" "$FILE" + if [ $? -ne 0 ] + then + fail "Couldn't unpack $FILE" + fi +fi + + +if [ $CMD_DUMP ] +then + function dumpfile + { + echo "BEGIN `basename $1`" + cat "$1" | sed -e 's/^/ /' + echo "END `basename $1`" + } + + echo Contents of root: + ls -1 "$ROOTDIR" | sed -e 's/^/ /' + echo + echo Contents of META-INF: + (cd "$ROOTDIR" && find META-INF -type f) | sed -e 's/^/ /' + + echo + dumpfile "$ROOTDIR/META-INF/MANIFEST.MF" + echo + dumpfile "$ROOTDIR/$INSTALL_SCRIPT_NAME" + echo + dumpfile "$ROOTDIR/android-product.txt" + echo + dumpfile "$ROOTDIR/system/build.prop" +fi + +if [ $CMD_APPEND_SCRIPT ] +then + TMPSCRIPT="$TMPDIR/script" + NEWSCRIPT="$TMPDIR/$INSTALL_SCRIPT_NAME" + unzip -p "$FILE" "$INSTALL_SCRIPT_NAME" > "$TMPSCRIPT" + if [ $? -ne 0 ] + then + fail "Couldn't extract $INSTALL_SCRIPT_NAME from $FILE" + fi + mkdir -p `dirname "$NEWSCRIPT"` + cat "$TMPSCRIPT" "$SCRIPT_FILE" > "$NEWSCRIPT" + + OVERWRITE_SCRIPT=1 +fi + +if [ $CMD_REPLACE_SCRIPT ] +then + NEWSCRIPT="$TMPDIR/$INSTALL_SCRIPT_NAME" + mkdir -p `dirname "$NEWSCRIPT"` + cp "$SCRIPT_FILE" "$NEWSCRIPT" + + OVERWRITE_SCRIPT=1 +fi + +if [ $OVERWRITE_SCRIPT ] +then + cp "$FILE" "$TMPDIR/outfile.zip" + (cd "$TMPDIR" && zip -qu outfile.zip "$INSTALL_SCRIPT_NAME") + if [ $? -ne 0 ] + then + fail "Couldn't add new $INSTALL_SCRIPT_NAME to output file" + fi + + rm -f "$OUTFILE" + mkdir -p `dirname "$OUTFILE"` + mv "$TMPDIR/outfile.zip" "$OUTFILE" +fi + +cleantmp |