X-Git-Url: https://git.ao2.it/kinect-audio-setup.git/blobdiff_plain/818710a3e7595fbd09bfd43959c0d14515e1d4d6..15a7d9aceebe839c514bc88a9b713e46b87c5d0a:/kinect_fetch_fw

diff --git a/kinect_fetch_fw b/kinect_fetch_fw
index cde470c..6db228f 100755
--- a/kinect_fetch_fw
+++ b/kinect_fetch_fw
@@ -1,6 +1,6 @@
 #!/bin/sh
 #
-# Fetch and install the firmware to get the kinect Audio working on linux
+# kinect_fetch_fw -  Fetch and install the Microsoft Kinect UAC firmware
 #
 # Copyright (C) 2011  Antonio Ospite <ospite@studenti.unina.it>
 #
@@ -16,27 +16,36 @@
 set -e
 
 SDK_URL=${SDK_URL:-"http://download.microsoft.com/download/8/4/C/84C9EF40-EE49-42C2-AE26-C6E30921182F/KinectSDK32.msi"}
+SDK_MD5="a043c40f35bf14a5139dfbf6cb14f687"
 
-[ $# -lt 1 ] && { echo "usage: $(basename "$0") <firmware destdir> [<path of kinect_upload_fw binary>]"; exit 1; }
-FW_DESTDIR=$1
+[ $# -lt 1 ] && { echo "usage: $(basename "$0") <firmware destdir> [<path of kinect_upload_fw binary>]" 1>&2; exit 1; }
+FW_DESTDIR=$(readlink -f $1)
 LOADER_PATH=${2:-"/usr/local/sbin/kinect_upload_fw"}
 
-command -v wget >/dev/null 2>&1 || { echo "$(basename "$0"): command 'wget' is needed." ; exit 1; }
-command -v 7z >/dev/null 2>&1 || { echo "$(basename "$0"): command '7z' is needed." ; exit 1; }
+command -v wget >/dev/null 2>&1 || { echo "$(basename "$0"): command 'wget' is needed." 1>&2 ; exit 1; }
+command -v 7z >/dev/null 2>&1 || { echo "$(basename "$0"): command '7z' is needed." 1>&2; exit 1; }
 
-TEMPDIR="$(mktemp -d)"
+TEMPDIR=$(mktemp -d)
 trap 'rm -rf "$TEMPDIR" >/dev/null 2>&1' 0
 trap "exit 2" 1 2 3 15
 
 cd "$TEMPDIR"
 ARCHIVE_NAME=$(basename "$SDK_URL")
 rm -f "$ARCHIVE_NAME" && wget "$SDK_URL" -O "$ARCHIVE_NAME"
+
+ARCHIVE_MD5=$(md5sum "$ARCHIVE_NAME" | grep --only-matching -m 1 '^[0-9a-f]*')
+if [ "$ARCHIVE_MD5" != "$SDK_MD5" ];
+then
+  echo "$(basename "$0"): Invalid hash for file '$ARCHIVE_NAME'." 1>&2
+  exit 1
+fi
+
 7z e -y -r "$ARCHIVE_NAME" "UACFirmware.*"
 
 FW_FILE=$(ls UACFirmware.* | cut -d ' ' -f 1)
 
-install -d "$DESTDIR/$FW_DESTDIR"
-install -m 644 "$FW_FILE" "$DESTDIR/$FW_DESTDIR"
+install -d "${DESTDIR}${FW_DESTDIR}"
+install -m 644 "$FW_FILE" "${DESTDIR}${FW_DESTDIR}"
 
 FIRMWARE_PATH=$FW_DESTDIR/$(basename "$FW_FILE")