Mount TUN device for use by Android VPNs.

[waydroid.git] / tools / helpers / lxc.py

diff --git a/tools/helpers/lxc.py b/tools/helpers/lxc.py
index de217e3477642450c10d377796a6ab11d23e8d4b..d26b184cf466479c3870f04631ee32bbac9359cf 100644 (file)
--- a/tools/helpers/lxc.py
+++ b/tools/helpers/lxc.py
@@ -74,6 +74,9 @@ def generate_nodes_lxc_config(args):
     make_entry("none", "dev/pts", "devpts", "defaults,mode=644,ptmxmode=666,create=dir 0 0", False)
     make_entry("/dev/uhid")
 
+    # TUN/TAP device node for VPN
+    make_entry("/dev/net/tun", "dev/tun")
+
     # Low memory killer sys node
     make_entry("/sys/module/lowmemorykiller", options="bind,create=dir,optional 0 0")
 
@@ -166,6 +169,10 @@ def make_base_props(args):
         return ""
 
     props = []
+
+    if not os.path.exists("/dev/ashmem"):
+        props.append("sys.use_memfd=true")
+
     egl = tools.helpers.props.host_get(args, "ro.hardware.egl")
 
     gralloc = find_hal("gralloc")
@@ -223,6 +230,31 @@ def make_base_props(args):
     if args.vendor_type == "MAINLINE":
         props.append("ro.vndk.lite=true")
 
+    for product in ["brand", "device", "manufacturer", "model", "name"]:
+        prop_product = tools.helpers.props.host_get(
+            args, "ro.product.vendor." + product)
+        if prop_product != "":
+            props.append("ro.product.waydroid." + product + "=" + prop_product)
+        else:
+            if os.path.isfile("/proc/device-tree/" + product):
+                with open("/proc/device-tree/" + product) as f:
+                    f_value = f.read().strip().rstrip('\x00')
+                    if f_value != "":
+                        props.append("ro.product.waydroid." +
+                                     product + "=" + f_value)
+
+    prop_fp = tools.helpers.props.host_get(args, "ro.vendor.build.fingerprint")
+    if prop_fp != "":
+        props.append("ro.build.fingerprint=" + prop_fp)
+
+    # now append/override with values in [properties] section of waydroid.cfg
+    cfg = tools.config.load(args)
+    for k, v in cfg["properties"].items():
+        for idx, elem in enumerate(props):
+            if (k+"=") in elem:
+                props.pop(idx)
+        props.append(k+"="+v)
+
     base_props = open(args.work + "/waydroid_base.prop", "w")
     for prop in props:
         base_props.write(prop + "\n")