From 176df1505a2ebbb2437669295d1422c8af6157fe Mon Sep 17 00:00:00 2001
From: Adam Shih <adamshih@google.com>
Date: Mon, 28 Sep 2020 11:04:39 +0800
Subject: [PATCH] Move init.insmod.sh back to devices

Its permission is related to the module it loads,
and they vary from device to device

Bug: 168440095
Test: boot with no SELinux error log
Change-Id: Idf058b54bfc8250cf2c574ade285ab479af59cb3
---
 device.mk      |  1 +
 init.insmod.sh | 53 ++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 54 insertions(+)
 create mode 100644 init.insmod.sh

diff --git a/device.mk b/device.mk
index 814be034..bfa9b576 100644
--- a/device.mk
+++ b/device.mk
@@ -132,6 +132,7 @@ PRODUCT_COPY_FILES += \
     $(LOCAL_PATH)/uinput-fpc.kl:$(TARGET_COPY_OUT_VENDOR)/usr/keylayout/uinput-fpc.kl \
     $(LOCAL_PATH)/uinput-fpc.idc:$(TARGET_COPY_OUT_VENDOR)/usr/idc/uinput-fpc.idc \
     $(LOCAL_PATH)/init.hardware.usb.rc:$(TARGET_COPY_OUT_VENDOR)/etc/init/hw/init.$(PRODUCT_PLATFORM).usb.rc \
+    $(LOCAL_PATH)/init.insmod.sh:$(TARGET_COPY_OUT_VENDOR)/bin/init.insmod.sh \
     $(LOCAL_PATH)/init.sensors.sh:$(TARGET_COPY_OUT_VENDOR)/bin/init.sensors.sh \
     $(LOCAL_PATH)/thermal-engine-$(PRODUCT_HARDWARE).conf:$(TARGET_COPY_OUT_VENDOR)/etc/thermal-engine-$(PRODUCT_HARDWARE).conf \
     $(LOCAL_PATH)/ueventd.rc:$(TARGET_COPY_OUT_VENDOR)/ueventd.rc \
diff --git a/init.insmod.sh b/init.insmod.sh
new file mode 100644
index 00000000..a222838c
--- /dev/null
+++ b/init.insmod.sh
@@ -0,0 +1,53 @@
+#!/vendor/bin/sh
+
+#############################################################
+### init.insmod.cfg format:                               ###
+### ----------------------------------------------------- ###
+### [insmod|setprop|enable/moprobe|wait] [path|prop name] ###
+### ...                                                   ###
+#############################################################
+
+# imitates wait_for_file() in init
+wait_for_file()
+{
+    filename="${1}"
+    timeout="${2:-5}"
+
+    expiry=$(($(date "+%s")+timeout))
+    while [[ ! -e "${filename}" ]] && [[ "$(date "+%s")" -le "${expiry}" ]]
+    do
+        sleep 0.01
+    done
+}
+
+if [ $# -eq 1 ]; then
+  cfg_file=$1
+else
+  exit 1
+fi
+
+
+if [ -f $cfg_file ]; then
+  while IFS="|" read -r action arg
+  do
+    case $action in
+      "insmod") insmod $arg ;;
+      "setprop") setprop $arg 1 ;;
+      "enable") echo 1 > $arg ;;
+      "modprobe")
+        case ${arg} in
+          "-b *" | "-b")
+            arg="-b $(cat /vendor/lib/modules/modules.load)" ;;
+          "*" | "")
+            arg="$(cat /vendor/lib/modules/modules.load)" ;;
+        esac
+        modprobe -a -d /vendor/lib/modules $arg ;;
+      "wait") wait_for_file $arg ;;
+    esac
+  done < $cfg_file
+fi
+
+# set property even if there is no insmod config
+# as property value "1" is expected in early-boot trigger
+setprop vendor.all.modules.ready 1
+setprop vendor.all.devices.ready 1