mirror of
https://github.com/patjak/facetimehd.git
synced 2026-04-09 11:02:31 +02:00
firmware: Moved the firmware tools to it's own repository
Signed-off-by: Patrik Jakobsson <patrik.r.jakobsson@gmail.com>
This commit is contained in:
Patrik Jakobsson
@@ -1,54 +0,0 @@
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SHELL = /bin/bash
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DEB_NAME:=facetimehd-firmware
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DEB_VER:=0.1-1
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DEB_BASE_DIR:=debian
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DMG:=osxupd10.11.2.dmg
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OSX_DRV:=AppleCameraInterface
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OSX_DRV_DIR:=System/Library/Extensions/AppleCameraInterface.kext/Contents/MacOS
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RANGE:=420107885-421933300
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URL:=https://support.apple.com/downloads/DL1849/en_US/$(DMG)
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FILE:=$(OSX_DRV_DIR)/$(OSX_DRV)
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ifneq ("$(wildcard /usr/lib/firmware)", "")
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FW_DIR_BASE:="/usr/lib/firmware"
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else
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FW_DIR_BASE:="/lib/firmware"
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endif
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FW_DIR:="$(FW_DIR_BASE)/facetimehd"
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all: $(OSX_DRV)
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@./extract-firmware.sh -x "$(OSX_DRV)"
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deb: all
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@install -D -m 644 "firmware.bin" "$(DEB_BASE_DIR)/$(DEB_NAME)_$(DEB_VER)/lib/firmware/facetimehd/firmware.bin"
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@mkdir -p "$(DEB_BASE_DIR)/$(DEB_NAME)_$(DEB_VER)/DEBIAN"
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@(sed -e "s|^Package:.*|Package: $(DEB_NAME)|g" -e "s|^Version:.*|Version: $(DEB_VER)|g" "$(DEB_BASE_DIR)/control.template" > "$(DEB_BASE_DIR)/$(DEB_NAME)_$(DEB_VER)/DEBIAN/control")
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@fakeroot dpkg-deb --build "$(DEB_BASE_DIR)/$(DEB_NAME)_$(DEB_VER)"
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$(OSX_DRV):
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@echo ""
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@echo "Checking dependencies for driver download..."
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@which curl xzcat cpio
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@echo ""
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@# Ty to wvengen, see: https://github.com/patjak/bcwc_pcie/issues/14#issuecomment-167446787
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@echo "Downloading the driver, please wait..."
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@(curl -s -L -r "$(RANGE)" "$(URL)" | xzcat -q | cpio --format odc -i -d "./$(FILE)") &> /dev/null || true
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@mv "$(FILE)" .
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@rmdir -p "$(OSX_DRV_DIR)"
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install:
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@echo "Copying firmware into '$(DESTDIR)$(FW_DIR)'"
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@install -dm755 "$(DESTDIR)$(FW_DIR)"
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@install -m644 "firmware.bin" "$(DESTDIR)$(FW_DIR)/firmware.bin"
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.PHONY: clean
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clean:
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rm -f AppleCamera{Interface,.sys}
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rm -f firmware.bin
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rm -rf "$(DEB_BASE_DIR)/$(DEB_NAME)_$(DEB_VER)"
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rm -f "$(DEB_BASE_DIR)"/*.deb
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2
firmware/README
Normal file
2
firmware/README
Normal file
@@ -0,0 +1,2 @@
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The firmware extraction tool has moved to a seperate repository at:
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https://github.com/patjak/facetimehd-firmware
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@@ -1,7 +0,0 @@
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Package:
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Version:
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Section: Miscellaneous - Text Based
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Priority: optional
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Maintainer: Patrik Jakobsson
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Architecture: all
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Description: Firmware for facetimehd
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@@ -1,322 +0,0 @@
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#!/bin/bash
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# firmware header bytestring [bytes 04-32]
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fw_bytes_header="feffffeafeffffeafeffffeafeffffeafeffffeafeffffeafeffffea"
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fw_bytes_footer="00000000ffffffff"
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# Known driver hashes
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#
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# NOTE: use sha256 checksums as they are more robust that md5 against collisions
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hash_drv_wnd_105='6ec37d48c0764ed059dd49f472456a4f70150297d6397b7cc7965034cf78627e'
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hash_drv_wnd_138='7044344593bfc08ab9b41ab691213bca568c8d924d0e05136b537f66b3c46f31'
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hash_drv_osx_140='387097b5133e980196ac51504a60ae1ad8bab736eb0070a55774925ca0194892'
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hash_drv_osx_143_1='4667e6828f6bfc690a39cf9d561369a525f44394f48d0a98d750931b2f3f278b'
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hash_drv_osx_143_2='d4650346c940dafdc50e5fcbeeeffe074ec359726773e79c0cfa601cec6b1f08'
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hash_fw_wnd_105='dabb8cf8e874451ebc85c51ef524bd83ddfa237c9ba2e191f8532b896594e50e'
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hash_fw_wnd_138='ed75dc37b1a0e19949e9e046a629cb55deb6eec0f13ba8fd8dd49b5ccd5a800e'
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hash_fw_osx_140='504fcf1565bf10d61b31a12511226ae51991fb55d480f82de202a2f7ee9c966e'
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hash_fw_osx_143='e3e6034a67dfdaa27672dd547698bbc5b33f47f1fc7f5572a2fb68ea09d32d3d'
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# Driver names
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declare -A known_hashes=(
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["$hash_drv_wnd_105"]='Windows Boot Camp 5.1.5722'
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["$hash_drv_wnd_138"]='Windows Boot Camp Update Jul 29, 2015'
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["$hash_drv_osx_140"]='OS X, El Capitan'
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["$hash_drv_osx_143_1"]='OS X, El Capitan'
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["$hash_drv_osx_143_2"]='OS X, El Capitan 10.11.2'
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)
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# Offset in bytes of the firmware inside the driver
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declare -A firmw_offsets=(
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["$hash_drv_wnd_105"]=78208
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["$hash_drv_wnd_138"]=85296
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["$hash_drv_osx_140"]=81920
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["$hash_drv_osx_143_1"]=81920
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["$hash_drv_osx_143_2"]=81920
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)
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# Size in bytes of the firmware inside the driver
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declare -A firmw_sizes=(
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["$hash_drv_wnd_105"]=1523716
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["$hash_drv_wnd_138"]=1421316
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["$hash_drv_osx_140"]=603715
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["$hash_drv_osx_143_1"]=603715
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["$hash_drv_osx_143_2"]=603715
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)
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# Compression method used to store the firmware inside the driver
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declare -A compression=(
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["$hash_drv_wnd_105"]='cat'
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["$hash_drv_wnd_138"]='cat'
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["$hash_drv_osx_140"]='gzip'
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["$hash_drv_osx_143_1"]='gzip'
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["$hash_drv_osx_143_2"]='gzip'
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)
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declare -A firmw_hashes=(
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["$hash_fw_wnd_105"]='1.05'
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["$hash_fw_wnd_138"]='1.38'
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["$hash_fw_osx_140"]='1.40.0'
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["$hash_fw_osx_143"]='1.43.0'
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)
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printHelp()
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{
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cat <<HELP_DOC
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Usage: extract-firmware [OPTIONS]
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OPTION:
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-h --help Print this help message and exit.
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--dmg DMG_FILE Decompress the dmg file DMG_FILE, and extract the
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OS X camrea driver.
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-i --ignore-hashes Ignore the firmware checksums and verify only the
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binary header and footer of the extracted firmeare.
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-x DRV_FILE Extract the firmware from the driver DRV_FILE
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NOTES:
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Only two drivers are currently available:
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- AppleCameraInterface: this is the OS X native driver, it can be found
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in a OS X installation under the following system directory
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/System/Library/Extensions/AppleCameraInterface.kext/Contents/MacOS/
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- AppleCamera.sys: this comes within the bootcamp windows driver package.
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You can download it from http://support.apple.com/downloads/DL1831/".
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However only the version 1.43.0 of the firmware from OS X actually works.
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HELP_DOC
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}
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msg()
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{
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echo "==> $*"
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}
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msg2()
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{
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echo " --> $*"
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}
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err()
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{
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echo "Error: $*"
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}
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hasProgram()
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{
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if ! which "$1" &> /dev/null; then
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err "'$1' needed but not found!"
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exit 1
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fi
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}
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checkDmgPrerequisites()
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{
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hasProgram "7z"
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hasProgram "cpio"
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hasProgram "head"
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hasProgram "mkdir"
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hasProgram "pbzx"
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hasProgram "sha256sum"
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hasProgram "tail"
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hasProgram "xar"
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}
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checkPrerequisites()
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{
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hasProgram "awk"
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hasProgram "dd"
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hasProgram "sha256sum"
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hasProgram "zcat"
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}
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getCheckSum()
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{
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sha256sum $1 | awk '{ print $1 }'
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}
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checkDriverHash()
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{
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# computing the hash for the input file
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driver_hash="$(getCheckSum $1)"
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# checking if it is among the known hashes
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for cur_hash in "${!known_hashes[@]}"; do
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if [[ "$driver_hash" == "$cur_hash" ]]; then
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echo "Found matching hash from ${known_hashes[$cur_hash]}"
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return
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fi
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done
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err "Mismatching driver hash for $1"
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err "The unknown hash is ${driver_hash}"
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err "No firmware extracted!"
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exit 1
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}
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checkFirmwareHash()
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{
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# computing the hash for the input file
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fw_hash="$(getCheckSum $1)"
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# checking if it is among the known hashes
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for cur_hash in "${!firmw_hashes[@]}"; do
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if [[ "$fw_hash" == "$cur_hash" ]]; then
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msg2 "Extracted firmware version ${firmw_hashes[$cur_hash]}"
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return 0
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fi
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done
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err "Mismatching firmware hash ${firm_hash}"
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return 1
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}
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checkFirmwareHexdump()
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{
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if ! which hexdump &> /dev/null; then
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err "You need to install 'hexdump' in order to check a firmware with unknown hash!"
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return 1
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fi
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header=$(hexdump -v -e '"" /1 "%02x"' "$1" -s 4 -n 28)
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footer=$(hexdump -v -e '"" /1 "%02x"' "$1" | tail -c 16)
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if [[ "${header}" != "${fw_bytes_header}" ]]; then
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err "The extracted firmware does not seem good (wrong header)"
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return 1
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elif [[ "${footer}" != "${fw_bytes_footer}" ]]; then
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err "The extracted firmware does not seem good (wrong footer)"
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return 1
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else
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msg2 "You're lucky, the firmware looks good, " \
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"but it could also not work... use it at your own risk!"
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fi
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}
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extractFirmware()
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{
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msg "Extracting firmware..."
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dd bs=1 skip=$3 count=$4 if=$1 of="$2.tmp" &> /dev/null
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msg2 "Decompressing the firmware using $5..."
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case "$5" in
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"gzip")
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zcat "$2.tmp" > "$2"
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;;
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"cat")
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cat "$2.tmp" > "$2"
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;;
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esac
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msg2 "Deleting temporary files..."
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rm "$2.tmp"
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}
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decompress_dmg()
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{
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msg "Extracting the driver from $1..."
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msg2 "Creating temporary directories..."
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mkdir -p "${_main_dir}/temp"
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cd "${_main_dir}/temp"
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msg2 "Decompressing the image..."
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7z e -y "${_main_dir}/$1" "5.hfs" > /dev/null
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msg2 "Extracting update package..."
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tail -c +189001729 "5.hfs" | head -c 1469917156 > OSXUpd.xar
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rm -f "5.hfs"
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msg2 "Uncompressing XAR archive..."
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xar -x -f "OSXUpd.xar"
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rm -f "OSXUpd.xar"
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msg2 "Decoding Payload..."
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pbzx "OSXUpd"*.pkg"/Payload" > /dev/null
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rm "OSXUpdCombo10.11.2.pkg/Payload"
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msg2 "Decompressing archives..."
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cd "OSXUpdCombo10.11.2.pkg"
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find . -name "Payload.part*.xz" -exec xz --decompress --verbose {} \;
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cat "Payload.part"* | cpio -id &> /dev/null
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cp "./System/Library/Extensions/AppleCameraInterface.kext/Contents/MacOS/AppleCameraInterface" \
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"${_main_dir}"
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msg2 "Cleaning up..."
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rm -rf "${_main_dir}/temp"
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}
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extract_from_osx()
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{
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echo ""
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checkDriverHash "$1"
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offset="${firmw_offsets[$driver_hash]}"
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size="${firmw_sizes[$driver_hash]}"
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comp_method="${compression[$driver_hash]}"
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extractFirmware "$1" "firmware.bin" "$offset" "$size" "$comp_method"
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if ! checkFirmwareHash "firmware.bin"; then
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if [[ -z "$skip_sums" ]]; then
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err "No firmware extracted!"
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exit 1
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else
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msg2 "Ignoring hashes and check the firmware header..."
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checkFirmwareHexdump "firmware.bin" then
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fi
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fi
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}
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main()
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{
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echo ""
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# Parsing arguments
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while [[ $# > 0 ]]; do
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case $1 in
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-h|--help)
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printHelp
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exit 1
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;;
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--dmg)
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dmg_file="$2"
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shift
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;;
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-x)
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drv_file="$2"
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shift
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;;
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-i|--ignore-hashes)
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skip_sums="1"
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esac
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shift
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done
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checkPrerequisites
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if [[ ! -z "$dmg_file" ]]; then
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checkDmgPrerequisites
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decompress_dmg "$dmg_file"
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fi
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cd "${_main_dir}"
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if [[ ! -z "$drv_file" ]]; then
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extract_from_osx "$drv_file"
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fi
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echo ""
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exit 0
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}
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_main_dir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
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main "$@"
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Reference in New Issue
Block a user