[VCN21] Do not add NOT_VCN_MANAGED capability if specifier is present

Test: atest NetworkRequestTest#testBypassingVcn
Fix: 176939355
Change-Id: I98dd3f4652dc067eb5c4666e952db6c854bcbb10
This commit is contained in:
junyulai
2021-05-13 22:29:34 +08:00
committed by Junyu Lai
parent a1c0e6e13b
commit 5fbdba6291

View File

@@ -200,8 +200,9 @@ public class NetworkRequest implements Parcelable {
private final NetworkCapabilities mNetworkCapabilities;
// A boolean that represents the user modified NOT_VCN_MANAGED capability.
private boolean mModifiedNotVcnManaged = false;
// A boolean that represents whether the NOT_VCN_MANAGED capability should be deduced when
// the NetworkRequest object is built.
private boolean mShouldDeduceNotVcnManaged = true;
/**
* Default constructor for Builder.
@@ -223,7 +224,7 @@ public class NetworkRequest implements Parcelable {
// If the caller constructed the builder from a request, it means the user
// might explicitly want the capabilities from the request. Thus, the NOT_VCN_MANAGED
// capabilities should not be touched later.
mModifiedNotVcnManaged = true;
mShouldDeduceNotVcnManaged = false;
}
/**
@@ -254,7 +255,7 @@ public class NetworkRequest implements Parcelable {
public Builder addCapability(@NetworkCapabilities.NetCapability int capability) {
mNetworkCapabilities.addCapability(capability);
if (capability == NetworkCapabilities.NET_CAPABILITY_NOT_VCN_MANAGED) {
mModifiedNotVcnManaged = true;
mShouldDeduceNotVcnManaged = false;
}
return this;
}
@@ -268,7 +269,7 @@ public class NetworkRequest implements Parcelable {
public Builder removeCapability(@NetworkCapabilities.NetCapability int capability) {
mNetworkCapabilities.removeCapability(capability);
if (capability == NetworkCapabilities.NET_CAPABILITY_NOT_VCN_MANAGED) {
mModifiedNotVcnManaged = true;
mShouldDeduceNotVcnManaged = false;
}
return this;
}
@@ -352,7 +353,7 @@ public class NetworkRequest implements Parcelable {
mNetworkCapabilities.clearAll();
// If the caller explicitly clear all capabilities, the NOT_VCN_MANAGED capabilities
// should not be add back later.
mModifiedNotVcnManaged = true;
mShouldDeduceNotVcnManaged = false;
return this;
}
@@ -453,6 +454,9 @@ public class NetworkRequest implements Parcelable {
throw new IllegalArgumentException("A MatchAllNetworkSpecifier is not permitted");
}
mNetworkCapabilities.setNetworkSpecifier(networkSpecifier);
// Do not touch NOT_VCN_MANAGED if the caller needs to access to a very specific
// Network.
mShouldDeduceNotVcnManaged = false;
return this;
}
@@ -486,12 +490,13 @@ public class NetworkRequest implements Parcelable {
* {@link #VCN_SUPPORTED_CAPABILITIES}, add the NET_CAPABILITY_NOT_VCN_MANAGED to
* allow the callers automatically utilize VCN networks if available.
* 2. For the requests that explicitly add or remove NET_CAPABILITY_NOT_VCN_MANAGED,
* or has clear intention of tracking specific network,
* do not alter them to allow user fire request that suits their need.
*
* @hide
*/
private void deduceNotVcnManagedCapability(final NetworkCapabilities nc) {
if (mModifiedNotVcnManaged) return;
if (!mShouldDeduceNotVcnManaged) return;
for (final int cap : nc.getCapabilities()) {
if (!VCN_SUPPORTED_CAPABILITIES.contains(cap)) return;
}