msm8996-common: Set the hardware wlan mac using wcg_mac_tool

* Bin extracted from ZUI
* Add init.wlan.sh to check if the mac address in wlan_mac.bin is already correct, if not correct it
* Run both the bins on boot completed as wcg can't run earlier
* Label both the bins and address their denials

Change-Id: I7a8001465ec9c3d69bd228efa57dddfdd8e3c6f3

11 files changed, 92 insertions, 0 deletions

diff --git a/msm8996.mk b/msm8996.mk
index ed8916c..e87a8ec 100755
--- a/msm8996.mk
+++ b/msm8996.mk
@@ -154,6 +154,7 @@ PRODUCT_PACKAGES += \
     init.qcom.sh \
     init.qcom.power.rc \
     init.qcom.usb.rc \
+    init.wlan.sh \
     ueventd.qcom.rc
 
 # Display
diff --git a/proprietary-files.txt b/proprietary-files.txt
index 0658496..4eeb08b 100644
--- a/proprietary-files.txt
+++ b/proprietary-files.txt
@@ -770,6 +770,9 @@ vendor/etc/init/vendor.qti.hardware.tui_comm@1.0-service-qti.rc|2cfc563d7e157937
 vendor/lib/vendor.qti.hardware.tui_comm@1.0_vendor.so|cdb0454905bcd5124ccb6e69df6f8256ce203250
 vendor/lib64/vendor.qti.hardware.tui_comm@1.0_vendor.so|359b87c1daad8c430005c86c451a7b095a934d91
 
+# wcg_mac_tool
+-sbin/wcg_mac_tool:vendor/bin/wcg_mac_tool|390a5a2425fab861c753743b1df3808acb1ee7d6
+
 # Widevine DRM - from LA.UM.7.6.r1-02800-89xx.0 - daisy 9/PKQ1.180917.001/V10.0.1.0PDLMIFJ
 vendor/bin/hw/android.hardware.drm@1.1-service.widevine|9743c4ecd0fb8773795bcbfbb406f25616c04129
 vendor/etc/init/android.hardware.drm@1.1-service.widevine.rc|5a01d337c1d375ee24a6c8992ba91f54afb7637e
diff --git a/rootdir/Android.mk b/rootdir/Android.mk
index 6f61c5b..c7b6f0a 100644
--- a/rootdir/Android.mk
+++ b/rootdir/Android.mk
@@ -10,6 +10,14 @@ LOCAL_SRC_FILES    := bin/init.qcom.sh
 LOCAL_MODULE_PATH  := $(TARGET_OUT_VENDOR_EXECUTABLES)
 include $(BUILD_PREBUILT)
 
+include $(CLEAR_VARS)
+LOCAL_MODULE       := init.wlan.sh
+LOCAL_MODULE_TAGS  := optional eng
+LOCAL_MODULE_CLASS := ETC
+LOCAL_SRC_FILES    := bin/init.wlan.sh
+LOCAL_MODULE_PATH  := $(TARGET_OUT_VENDOR_EXECUTABLES)
+include $(BUILD_PREBUILT)
+
 # Common init scripts
 
 include $(CLEAR_VARS)
diff --git a/rootdir/bin/init.wlan.sh b/rootdir/bin/init.wlan.sh
new file mode 100644
index 0000000..36c0430
--- /dev/null
+++ b/rootdir/bin/init.wlan.sh
@@ -0,0 +1,24 @@
+#! /vendor/bin/sh
+
+#
+# Copyright (C) 2019 The LineageOS 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.
+#
+
+# Set the proper hardware based wlan mac
+if [[ ! -f /persist/wlan_mac.bin ]] || [[ $(cat /persist/wlan_mac.bin | grep Intf0MacAddress | sed 's/Intf0MacAddress=//') != $(getprop sys.wifimac | sed 's/://g') ]]; then
+    wifi_mac=$(getprop sys.wifimac | sed 's/://g');
+echo "Intf0MacAddress=$wifi_mac
+END" > /persist/wlan_mac.bin
+fi;
diff --git a/rootdir/etc/init.qcom.rc b/rootdir/etc/init.qcom.rc
index dc95d51..5d1e1ae 100644
--- a/rootdir/etc/init.qcom.rc
+++ b/rootdir/etc/init.qcom.rc
@@ -574,6 +574,24 @@ service vendor.ppd /vendor/bin/mm-pp-dpps
     disabled
     writepid /dev/cpuset/system-background/tasks
 
+service wcg_mac_tool /vendor/bin/wcg_mac_tool
+    class late_start
+    group root
+    user root
+    disabled
+    oneshot
+
+service wlan-sh /vendor/bin/init.wlan.sh
+    class late_start
+    user root
+    group root
+    disabled
+    oneshot
+
+on property:sys.boot_completed=1
+    start wcg_mac_tool
+    start wlan-sh
+
 on property:init.svc.vendor.hwcomposer-2-1=stopped
     stop vendor.ppd
 
diff --git a/sepolicy/file_contexts b/sepolicy/file_contexts
index f4b765f..12e3edd 100644
--- a/sepolicy/file_contexts
+++ b/sepolicy/file_contexts
@@ -1,6 +1,10 @@
 # Partitions
 /dev/block/platform/soc/(624000\.ufshc|7464900\.sdhci)/by-name/persist       u:object_r:persist_block_device:s0
 
+# Binaries
+/vendor/bin/wcg_mac_tool    u:object_r:wcg_mac_exec:s0
+/vendor/bin/init.wlan.sh    u:object_r:qti_init_shell_exec:s0
+
 # Devices
 /dev/fpc1020                          u:object_r:fpc1020_device:s0
 /dev/tfa9890                          u:object_r:audio_device:s0
diff --git a/sepolicy/property.te b/sepolicy/property.te
new file mode 100644
index 0000000..550baf9
--- /dev/null
+++ b/sepolicy/property.te
@@ -0,0 +1 @@
+type wcg_prop, property_type;
diff --git a/sepolicy/property_contexts b/sepolicy/property_contexts
index ecce687..bc0c909 100644
--- a/sepolicy/property_contexts
+++ b/sepolicy/property_contexts
@@ -13,3 +13,19 @@ ro.min_freq_4                 u:object_r:freq_prop:s0
 
 # Qseecomd
 sys.listeners.registered                                      u:object_r:vendor_tee_listener_prop:s0
+
+# WCG
+sys.wifimac                                      u:object_r:wcg_prop:s0
+sys.bt.address                                   u:object_r:wcg_prop:s0
+persist.bt.max.hs.connections                    u:object_r:wcg_prop:s0
+gsm.sn1                                          u:object_r:wcg_prop:s0
+sys.customsn.showcode                            u:object_r:wcg_prop:s0
+cdma.meid                                        u:object_r:wcg_prop:s0
+gsm.imei1                                        u:object_r:wcg_prop:s0
+gsm.imei2                                        u:object_r:wcg_prop:s0
+persist.cdma.meid                                u:object_r:wcg_prop:s0
+persist.gsm.imei1                                u:object_r:wcg_prop:s0
+persist.gsm.imei2                                u:object_r:wcg_prop:s0
+gsm.hwid                                         u:object_r:wcg_prop:s0
+gsm.station                                      u:object_r:wcg_prop:s0
+persist.gsm.qlogd.on                             u:object_r:wcg_prop:s0
diff --git a/sepolicy/qti_init_shell.te b/sepolicy/qti_init_shell.te
index 1841019..64ab2bc 100644
--- a/sepolicy/qti_init_shell.te
+++ b/sepolicy/qti_init_shell.te
@@ -3,3 +3,9 @@ allow qti_init_shell vendor_radio_data_file:dir { getattr open read search setat
 allow qti_init_shell vfat:file { getattr open read setattr };
 allow qti_init_shell vfat:dir { open read search };
 allow qti_init_shell file_contexts_file:file { getattr open read };
+
+# Allow qti_init_shell to fully access wlan_mac.bin persist file
+allow qti_init_shell mnt_vendor_file:dir rw_dir_perms;
+allow qti_init_shell mnt_vendor_file:file create_file_perms;
+
+get_prop(qti_init_shell, wcg_prop)
diff --git a/sepolicy/shell.te b/sepolicy/shell.te
new file mode 100644
index 0000000..df6b670
--- /dev/null
+++ b/sepolicy/shell.te
@@ -0,0 +1 @@
+get_prop(shell, wcg_prop)
diff --git a/sepolicy/wcg_mac.te b/sepolicy/wcg_mac.te
new file mode 100644
index 0000000..2e8ec94
--- /dev/null
+++ b/sepolicy/wcg_mac.te
@@ -0,0 +1,10 @@
+type wcg_mac, domain;
+type wcg_mac_exec, exec_type, vendor_file_type, file_type;
+
+# Allow for transition from init domain to wcg_mac
+init_daemon_domain(wcg_mac)
+
+# Allow wcg_mac to set sys.wifimac
+set_prop(wcg_mac, wcg_prop)
+
+allow wcg_mac proc:file { open read };