Allow hidg0/hidg1 to be used by shell in enforcing selinux

This will probably not work on Nougat due to binary contexts :(

Signed-off-by: James Christopher Adduono <[email protected]>

nethunter-installer/boot-patcher/patch.d-env

@@ -16,13 +16,16 @@ cd "$tmp"
 default_prop=$ramdisk/default.prop
 build_prop=/system/build.prop
 ueventd=$ramdisk/ueventd.rc
+file_contexts=$ramdisk/file_contexts
 
 found_prop=false
 found_build_prop=false
 found_ueventd=false
+found_file_contexts=false
 [ -f "$default_prop" ] && found_prop=true
 [ -f "$build_prop" ] && found_build_prop=true
 [ -f "$ueventd" ] && found_ueventd=true
+[ -f "$file_contexts" ] && found_file_contexts=true
 
 print() {
 	if [ "$1" ]; then
@@ -146,6 +149,23 @@ ueventd_set() {
 	replace_file "$ueventd" "$ueventd-"
 }
 
+# context_set <file path regex> <context>
+# use this to set selinux contexts of file paths
+context_set() {
+	$found_file_contexts || return
+	awk -vfile="$1" -vcontext="$2" '
+		function pfcon() {
+			printf "%-48s %s\n", file, context
+			set = 1
+		}
+		$1 == file && !set { pfcon() }
+		$1 == file { next }
+		{ print }
+		END { if (!set) pfcon() }
+	' "$file_contexts" > "$file_contexts-"
+	replace_file "$file_contexts" "$file_contexts-"
+}
+
 # import_rc <rc file>
 # adds an init rc file as an import to init.rc, it will be imported last
 import_rc() {

nethunter-installer/boot-patcher/patch.d/01-ramdisk-patch

@@ -32,4 +32,5 @@ setprop ro.secure 0
 import_rc init.nethunter.rc
 
 # ensure /dev/hidg0 and /dev/hidg1 have the correct access rights
-ueventd_set "/dev/hidg*" 0666 root system
+ueventd_set "/dev/hidg*" 0666 root root
+context_set "/dev/hidg[0-9]*" "u:object_r:input_device:s0"