From 35a449dc828ba9d1d79b89793318b58476a36220 Mon Sep 17 00:00:00 2001
From: Tad <tad@spotco.us>
Date: Sat, 11 Nov 2017 07:27:00 -0500
Subject: [PATCH] Firmware Deblobber: Make device agnostic, remove more blobs

---
 .../android_vendor_cm/firmware_deblobber.mk   |   1 +
 .../firmware_deblobber/firmware_deblobber.sh  | 144 +++++++++++++++++-
 .../firmware_deblobber/mount_firmware.sh      |  13 ++
 .../firmware_deblobber/updater-script         |   7 +-
 4 files changed, 157 insertions(+), 8 deletions(-)
 create mode 100644 Patches/LineageOS-14.1/android_vendor_cm/firmware_deblobber/mount_firmware.sh

diff --git a/Patches/LineageOS-14.1/android_vendor_cm/firmware_deblobber.mk b/Patches/LineageOS-14.1/android_vendor_cm/firmware_deblobber.mk
index 72d56c95..95b858a3 100644
--- a/Patches/LineageOS-14.1/android_vendor_cm/firmware_deblobber.mk
+++ b/Patches/LineageOS-14.1/android_vendor_cm/firmware_deblobber.mk
@@ -7,6 +7,7 @@ $(FD_INSTALL_TARGET): $(ALL_MODULES.updater.BUILT)
 	$(hide) rm -rf $@ $(FD_INSTALL_OUT)
 	$(hide) mkdir -p $(FD_INSTALL_OUT)/META-INF/com/google/android/
 	$(hide) cp $(ALL_MODULES.updater.BUILT) $(FD_INSTALL_OUT)/META-INF/com/google/android/update-binary
+	$(hide) cp $(FD_PREBUILTS_PATH)/mount_firmware.sh $(FD_INSTALL_OUT)/
 	$(hide) cp $(FD_PREBUILTS_PATH)/firmware_deblobber.sh $(FD_INSTALL_OUT)/
 	$(hide) cp $(FD_PREBUILTS_PATH)/updater-script $(FD_INSTALL_OUT)/META-INF/com/google/android/updater-script
 	$(hide) (cd $(FD_INSTALL_OUT) && zip -qr $@ *)
diff --git a/Patches/LineageOS-14.1/android_vendor_cm/firmware_deblobber/firmware_deblobber.sh b/Patches/LineageOS-14.1/android_vendor_cm/firmware_deblobber/firmware_deblobber.sh
index 5a3104b0..e982819f 100644
--- a/Patches/LineageOS-14.1/android_vendor_cm/firmware_deblobber/firmware_deblobber.sh
+++ b/Patches/LineageOS-14.1/android_vendor_cm/firmware_deblobber/firmware_deblobber.sh
@@ -1,5 +1,114 @@
 #!/sbin/sh
+#Maintain "safe" parity with Deblob.sh
+#Why so many lines? Why not make a fancy function? Because we'd rather not brick devices!
 
+rm -f /firmware/alipay.b00
+rm -f /firmware/alipay.b01
+rm -f /firmware/alipay.b02
+rm -f /firmware/alipay.b03
+rm -f /firmware/alipay.b04
+rm -f /firmware/alipay.b05
+rm -f /firmware/alipay.b06
+rm -f /firmware/alipay.mdt
+rm -f /firmware/image/alipay.b00
+rm -f /firmware/image/alipay.b01
+rm -f /firmware/image/alipay.b02
+rm -f /firmware/image/alipay.b03
+rm -f /firmware/image/alipay.b04
+rm -f /firmware/image/alipay.b05
+rm -f /firmware/image/alipay.b06
+rm -f /firmware/image/alipay.mdt
+echo "Removed Alibaba AliPay firmware"
+
+rm -f /firmware/dxcprm.b00
+rm -f /firmware/dxcprm.b01
+rm -f /firmware/dxcprm.b02
+rm -f /firmware/dxcprm.b03
+rm -f /firmware/dxcprm.mdt
+rm -f /firmware/image/dxcprm.b00
+rm -f /firmware/image/dxcprm.b01
+rm -f /firmware/image/dxcprm.b02
+rm -f /firmware/image/dxcprm.b03
+rm -f /firmware/image/dxcprm.mdt
+echo "Removed Discretix DRM (old) firmware"
+
+rm -f /firmware/dxhdcp2.b00
+rm -f /firmware/dxhdcp2.b01
+rm -f /firmware/dxhdcp2.b02
+rm -f /firmware/dxhdcp2.b03
+rm -f /firmware/dxhdcp2.mdt
+rm -f /firmware/image/dxhdcp2.b00
+rm -f /firmware/image/dxhdcp2.b01
+rm -f /firmware/image/dxhdcp2.b02
+rm -f /firmware/image/dxhdcp2.b03
+rm -f /firmware/image/dxhdcp2.mdt
+echo "Removed Discretix DRM (new) firmware"
+
+rm -f /firmware/widevine.b00
+rm -f /firmware/widevine.b01
+rm -f /firmware/widevine.b02
+rm -f /firmware/widevine.b03
+rm -f /firmware/widevine.b04
+rm -f /firmware/widevine.b05
+rm -f /firmware/widevine.b06
+rm -f /firmware/widevine.mdt
+rm -f /firmware/image/widevine.b00
+rm -f /firmware/image/widevine.b01
+rm -f /firmware/image/widevine.b02
+rm -f /firmware/image/widevine.b03
+rm -f /firmware/image/widevine.b04
+rm -f /firmware/image/widevine.b05
+rm -f /firmware/image/widevine.b06
+rm -f /firmware/image/widevine.mdt
+echo "Removed Google Widevine DRM firmware"
+
+rm -f /firmware/tzwidevine.b00
+rm -f /firmware/tzwidevine.b01
+rm -f /firmware/tzwidevine.b02
+rm -f /firmware/tzwidevine.b03
+rm -f /firmware/tzwidevine.mdt
+rm -f /firmware/image/tzwidevine.b00
+rm -f /firmware/image/tzwidevine.b01
+rm -f /firmware/image/tzwidevine.b02
+rm -f /firmware/image/tzwidevine.b03
+rm -f /firmware/image/tzwidevine.mdt
+echo "Removed Google Widevine DRM (alternate 1) firmware"
+
+rm -f /firmware/tzwvcpybuf.b00
+rm -f /firmware/tzwvcpybuf.b01
+rm -f /firmware/tzwvcpybuf.b02
+rm -f /firmware/tzwvcpybuf.b03
+rm -f /firmware/tzwvcpybuf.mdt
+rm -f /firmware/image/tzwvcpybuf.b00
+rm -f /firmware/image/tzwvcpybuf.b01
+rm -f /firmware/image/tzwvcpybuf.b02
+rm -f /firmware/image/tzwvcpybuf.b03
+rm -f /firmware/image/tzwvcpybuf.mdt
+echo "Removed Google Widevine DRM (alternate 2) firmware"
+
+rm -f /firmware/htc_drmprov.b00
+rm -f /firmware/htc_drmprov.b01
+rm -f /firmware/htc_drmprov.b02
+rm -f /firmware/htc_drmprov.b03
+rm -f /firmware/htc_drmprov.b04
+rm -f /firmware/htc_drmprov.b05
+rm -f /firmware/htc_drmprov.b06
+rm -f /firmware/htc_drmprov.mdt
+rm -f /firmware/image/htc_drmprov.b00
+rm -f /firmware/image/htc_drmprov.b01
+rm -f /firmware/image/htc_drmprov.b02
+rm -f /firmware/image/htc_drmprov.b03
+rm -f /firmware/image/htc_drmprov.b04
+rm -f /firmware/image/htc_drmprov.b05
+rm -f /firmware/image/htc_drmprov.b06
+rm -f /firmware/image/htc_drmprov.mdt
+echo "Removed HTC DRM firmware"
+
+rm -f /firmware/playread.b00
+rm -f /firmware/playread.b01
+rm -f /firmware/playread.b02
+rm -f /firmware/playread.b03
+rm -f /firmware/playread.mdt
 rm -f /firmware/image/playread.b00
 rm -f /firmware/image/playread.b01
 rm -f /firmware/image/playread.b02
@@ -7,9 +116,32 @@ rm -f /firmware/image/playread.b03
 rm -f /firmware/image/playread.mdt
 echo "Removed Microsoft PlayReady DRM firmware"
 
-rm -f /firmware/image/widevine.b00
-rm -f /firmware/image/widevine.b01
-rm -f /firmware/image/widevine.b02
-rm -f /firmware/image/widevine.b03
-rm -f /firmware/image/widevine.mdt
-echo "Removed Google Widevine DRM firmware"
+rm -f /firmware/hdcp1.b00
+rm -f /firmware/hdcp1.b01
+rm -f /firmware/hdcp1.b02
+rm -f /firmware/hdcp1.b03
+rm -f /firmware/hdcp1.b04
+rm -f /firmware/hdcp1.b05
+rm -f /firmware/hdcp1.b06
+rm -f /firmware/hdcp1.mdt
+rm -f /firmware/image/hdcp1.b00
+rm -f /firmware/image/hdcp1.b01
+rm -f /firmware/image/hdcp1.b02
+rm -f /firmware/image/hdcp1.b03
+rm -f /firmware/image/hdcp1.b04
+rm -f /firmware/image/hdcp1.b05
+rm -f /firmware/image/hdcp1.b06
+rm -f /firmware/image/hdcp1.mdt
+echo "Removed [Unknown 1] DRM firmware"
+
+rm -f /firmware/tzhdcp.b00
+rm -f /firmware/tzhdcp.b01
+rm -f /firmware/tzhdcp.b02
+rm -f /firmware/tzhdcp.b03
+rm -f /firmware/tzhdcp.mdt
+rm -f /firmware/image/tzhdcp.b00
+rm -f /firmware/image/tzhdcp.b01
+rm -f /firmware/image/tzhdcp.b02
+rm -f /firmware/image/tzhdcp.b03
+rm -f /firmware/image/tzhdcp.mdt
+echo "Removed [Unknown 2] DRM firmware"
diff --git a/Patches/LineageOS-14.1/android_vendor_cm/firmware_deblobber/mount_firmware.sh b/Patches/LineageOS-14.1/android_vendor_cm/firmware_deblobber/mount_firmware.sh
new file mode 100644
index 00000000..a2c6cfb7
--- /dev/null
+++ b/Patches/LineageOS-14.1/android_vendor_cm/firmware_deblobber/mount_firmware.sh
@@ -0,0 +1,13 @@
+#!/sbin/sh
+
+if mount /firmware; then
+    exit 0
+fi
+
+# Try to get the block from /etc/recovery.fstab
+block=`cat /etc/recovery.fstab | cut -d '#' -f 1 | grep /firmware | grep -o '/dev/[^ ]*' | head -1`
+if [ -n "$block" ] && mount $block /firmware; then
+    exit 0
+fi
+
+exit 1
diff --git a/Patches/LineageOS-14.1/android_vendor_cm/firmware_deblobber/updater-script b/Patches/LineageOS-14.1/android_vendor_cm/firmware_deblobber/updater-script
index e288015e..769a3fdd 100644
--- a/Patches/LineageOS-14.1/android_vendor_cm/firmware_deblobber/updater-script
+++ b/Patches/LineageOS-14.1/android_vendor_cm/firmware_deblobber/updater-script
@@ -1,9 +1,12 @@
 ui_print("DivestOS Firmware Deblobber");
+ui_print("Based off of LineageOS's AddonSU");
 
+ifelse(is_mounted("/firmware"), unmount("/firmware"));
+
+set_metadata("/tmp/mount_system.sh", "uid", 0, "gid", 0, "mode", 0755);
 set_metadata("/tmp/firmware_deblobber.sh", "uid", 0, "gid", 0, "mode", 0755);
 
-unmount("/firmware");
-mount("ext4", "EMMC", "/dev/block/bootdevice/by-name/modem", "/firmware", "");
+run_program("/tmp/mount_firmware.sh") == 0 || abort("Could not mount /firmware");
 
 run_program("/sbin/sh", "/tmp/firmware_deblobber.sh");