Commit Graph

218 Commits

Author SHA1 Message Date
Remi NGUYEN VAN
0839a191bc Only show "Connected" note after opening portal
The "Connected" notification would be shown every time a network
validates after being identified as a captive portal. This causes issues
on networks that have auto-login mechanisms, as a high priority
notification would be shown even though the user was not interacting
with the phone.

The "Connected" notification is intended to confirm to the user that
they successfuly logged in (manually), so only show it after the user
opens the portal on the network.

Bug: 134124044
Test: Flashed, connected to portal: notification shown
      Opened portal from command line + revalidate: no notification
      Tests passing with change, failing without

Change-Id: I89e7a7f49019bd7e4686712c56e00bd786eb3ef3
2019-06-25 19:18:16 +09:00
Chalard Jean
9c0ff1b005 Factorize custom asserts.
Also a few utilities that were in the way, and some opportunistic
cleanups.

Test: FrameworksNetTest NetworkStackTest
Change-Id: I385070e2044fd967cb18f1ffea9a86a4627b742e
2019-06-20 16:24:25 +09:00
Benedict Wong
9fbbdebc61 NetworkStatsFactory: Take VPNs into account for network/battery stats
This change fixes detailed UID stats to ensure network and battery stats
both take VPNs into account. NetworkStatsFactory is being made aware of
VPNs enabled, and the full set of underlying networks present.

Since traffic can only be migrated over a NetworkStats delta, NSF
maintains a NetworkStats snapshot across all UIDs/ifaces/tags.

This snapshot gets updated whenever NSF records a new snapshot
(based on various hooks such as VPN updating its underlying networks,
network getting lost, etc.), or NetworkStatsService's
getDetailedUidStats() method being called.

This change widens the scope of the existing mPersistentSnapshot lock,
renaming it to mPersistentDataLock, and ensures that TUN migrations are
not done in parallel. Additionally, mVpnInfos is updated via
pointer-swapping, to reduce the scope of the mPersistentDataLock.

The safety of this change is predicated on:
1. NetworkStatsFactory lock not held, so services cannot deadlock through
the cyclical lock.

2. The broadening of the scope of the lock in NetworkStatsFactory has no
threading implications, as it is always the last (leaf node) lock held,
and therefore is impossible to have lock inversion.

Additionally, to ensure VPNs work with 464xlat, the VPN info passed to
the NetworkStatsFactory includes all underlying interfaces, instead of
only passing the first one.

This (partially) re-applies changes from:
aosp/972848: Add one more test for VPN usage stats.
aosp/972847: Addressing comments for http://ag/7700679.
aosp/885338: NetworkStatsService: Fix getDetailedUidStats to take VPNs
             into account.
Co-developed with: Varun Anand <vaanand@google.com>

Bug: 113122541
Bug: 120145746
Bug: 129264869
Bug: 134244752
Test: FrameworksNetTest passing
Test: Manual tests show data usage fixes maintained.
Change-Id: I6466ec1411fc5ed6954125d27d353b6cd1be719e
2019-06-14 11:41:31 -07:00
Chalard Jean
ce75e0e335 Add a common test library.
This is the most common test library for Connectivity tests. It is
meant to be usable in framework tests, network stack tests, CTS,
GTS. To achieve that, it can only depend on framework classes.

Bug: none
Test: NetworkMonitorTest
Test: NsdManagerTest
Test: ConnectivityServiceTest
Test: OffloadControllerTest
Test: NetworkStatsObserversTest
Test: NetworkStatsServiceTest
(all the touched classes)

Change-Id: Ic47cbe7ba0e407145fa6bc49bb2adb3c5937dbc4
2019-05-28 22:20:51 +09:00
Chiachang Wang
f6d10b09bf Clean up for multiple validation result update
This is a follow-up commit for aosp/955431 to update commets
and minor updates in unit test.

Test: atest com.android.server.ConnectivityServiceTest#testCaptivePortalOnPartialConnectivity
Bug: 130683832
Change-Id: I581eae8daeddd2c4c186e7b40e27fef2aaa7ab43
2019-05-24 03:29:56 +00:00
Chiachang Wang
20ee375003 Merge "Update multiple validation result to ConnectivityService" 2019-05-24 02:50:54 +00:00
Etan Cohen
22e0fc1ca9 [CM] Fix NPE due to unvalidated callback value
Fix flaky test resulting from the above fix.

Bug: 132950880
Test: atest ConnectivityServiceTest
Change-Id: I1ddf3bb016239bf88cdd8843a71dcb5e582e83ac
2019-05-23 08:16:20 -07:00
Chiachang Wang
8ea15c9648 Update multiple validation result to ConnectivityService
Once a network is determined to have partial connectivity, it
cannot go back to full connectivity without a disconnect. This
is because NetworkMonitor can only communicate either
PARTIAL_CONNECTIVITY or VALID, but not both. Thus, multiple
validation results allow ConnectivityService to know the real
network status.

Bug: 129662877
Bug: 130683832
Test: atest FrameworksNetTests
Test: atest NetworkStackTests
Test: atest --generate-new-metrics 50
NetworkStackTests:com.android.server.connectivity.NetworkMonitorTest
Test: Simulate partial connectvitiy
Change-Id: I406c9368617c03a2dd3ab15fb1f6dbf539d7c714
2019-05-23 16:29:30 +08:00
Etan Cohen
4a62d1de1b [CM] Fix NPE due to unvalidated callback value
When unregistering callback due to ON_UNAVAILABLE did not check for
a non-null callback.

Bug: 132950880
Test: atest ConnectivityServiceTest
Change-Id: I8f3322963f322e6690f1403681bf66e8b38b35f8
2019-05-22 04:56:09 +00:00
Chalard Jean
a56eab41a6 Merge "Support strict mode private DNS on VPNs that provide Internet." 2019-05-10 09:39:17 +00:00
Lorenzo Colitti
80986d9a53 Support strict mode private DNS on VPNs that provide Internet.
Currently, strict mode private DNS does not work on VPNs because
NetworkMonitor does not validate VPNs. When a VPN connects, it
immediately transitions to ValidatedState, skipping private DNS
hostname resolution.

This change makes NetworkMonitor perform private DNS hostname
resolution and evaluation even on VPNs.

In order to ensure that the system always immediately switches to
the VPN as soon as it connects, remove the unvalidated penalty
for VPN networks. This ensures that the VPN score is always 101
and the VPN always outscores other networks as soon as it
connects. Previously, it would only outscore other networks
when no-op validation completed.

Bug: 122652057
Test: atest FrameworksNetTests NetworkStackTests
Test: manually ran a VPN with private DNS in strict mode
atest android.net.cts.ConnectivityManagerTest com.android.cts.net.HostsideVpnTests
Change-Id: Iaa78a7edcf23755c89d7b354edbc28d37d74d891
2019-05-10 14:30:54 +09:00
Treehugger Robot
ecc6fad658 Merge changes Ibff278a6,If6d537a3
* changes:
  Revert "Add NATT keepalive resources and methods into IpSecService"
  Revert "[KA11] Verify fd ownership and allocate resource for NattKeepalive"
2019-05-10 01:42:26 +00:00
Etan Cohen
9b09a16930 [CS] Unregister callback as part of onUnavailable dispatch
The onUnavailable semantics promise that it is equivalent to calling
the unregister callback method. But - it doesn't unregister the callback
allowing it to be reused. Fixed.

Additionally, modified the unregisterNetworkCallback method to not fail
on duplicate unregistration (since a callback could now self
unregister). Instead simply print a log.

Bug: 130651445
Test: atest ConnectivityServiceTest
Change-Id: I4c54b003a733eb0b1e4fd8674ed13081b1bef8e3
2019-05-09 02:41:40 +00:00
Junyu Lai
17a45f4d6e Revert "[KA11] Verify fd ownership and allocate resource for NattKeepalive"
This reverts commit cecd4a3d64.

Reason for revert: Adds dependency between IpSecService and
                   ConnectivityService may lead to future deadlock
                   problems. Uses a simpler approach instead,
                   hence the solution is not needed.
                   See aosp/954040.

Change-Id: If6d537a39595cf132d3ed81d4eaac6700f5f0ab3
2019-05-08 11:44:20 +08:00
Aaron Huang
9eeaa3aa9e Support adding NATT keepalive packet filter
Support adding NATT keepalive packet filter to APF
filter.
Generating APF program will be addressed in another CL.

Bug: 33530442
Test: - atest NetworkStackTests
      - atest FrameworksNetTests

Change-Id: I4961d5da343d8700600269632787c28112f0f9f1
2019-04-29 19:33:45 +08:00
Lorenzo Colitti
a6d5664819 Merge "Make DNS cache lifecycle management explicit" 2019-04-26 00:23:22 +00:00
Rubin Xu
9e64dc05d2 Reinstate new VPN uid filtering unit tests
Mock out PackageManager and returns correct information corresponding
to the test app package itself.

Test: atest --generate-new-metrics 10 com.android.server.ConnectivityServiceTest
Bug: 114231106
Bug: 130397860
Change-Id: Ib921700eda417f411d7a2c77c1140fba9ab50bbb
2019-04-23 18:04:14 +01:00
junyulai
cecd4a3d64 [KA11] Verify fd ownership and allocate resource for NattKeepalive
Since socket keepalive APIs for UDP encapsulation sockets are
public to generic app. In order to ensure the given fd is valid,
this change verifies the resource id inside the UDP
encapsulation socket by using methods provided by IpSecService.

Bug: 125517194
Fix: 123968920
Test: 1. atest FrameworksNetTests --generate-new-metrics 10
      2. atestcom.android.server.ConnectivityServiceTest \
         #testNattSocketKeepalives --generate-new-metrics 100
Change-Id: I408aacc19b364683854d15a095c34e72389a6e5b
2019-04-23 10:47:19 +08:00
Luke Huang
a24d5d8f8b Make DNS cache lifecycle management explicit
1. ConnectivityService calls netd binder to create/destroy network directly.
2. Call dnsresolver binder to create/destroy cache after create/destroy network.
3. Remove unused network create/destroy methods in NetworkManagementService.

Bug: 129453995
Test: atest FrameworksNetTests
Change-Id: I15660d27f735e33d621d4af8972cdf115bf76dfa
2019-04-22 17:43:37 +08:00
Wayne Ma
59d332387c Merge "Backwards-incompatible resolv module API change for making setResolverConfiguration take a parcelable." 2019-04-17 13:58:11 +00:00
waynema
135168455f Backwards-incompatible resolv module API change for making setResolverConfiguration take a parcelable.
Test: built, flashed, booted
      atest FrameworksNetTests

Change-Id: I3b4e8672f5273c3baa9378025bfaef2e6514df64
2019-04-17 13:55:53 +00:00
Junyu Lai
a1fedb8f5c Merge "Release keepalive slot after stopped" 2019-04-16 04:46:18 +00:00
junyulai
0535295bb9 Release keepalive slot after stopped
Currntly, keepalive slot is released when stop() is called. Next
starting keepalive can use the same slot number while previous
keepalive is still stopping. When the previous keepalive is
stopped, the incoming as will be processed by the new keepalive.

This change release keepalive slot after the result of stopping
has returned. Thus, newly created keepalive cannot allocate the
same slot number while lower layer is still processing stop event.

This change also disable flaky assertions that are caused by
test port has been occupied by other process.

Bug: 129512753
Test: 1. atest com.android.server.ConnectivityServiceTest \
         #testNattSocketKeepalives --generate-new-metrics 100
      2. atest FrameworksNetTests --generate-new-metrics 10
      3. simulate the fail case manually.

Change-Id: I1991627545519ee5cb408a3df3a006f710f4af7b
2019-04-15 17:44:48 +08:00
Lorenzo Colitti
8574c9bf35 Revert new tests and PackageManager mock
A mocked PackageManager caused test failures in existing tests.
Revert that for now to make tests pass again.

Bug: 114231106
Bug: 130397860
Test: atest FrameworksNetTests
Change-Id: I4f181789152438f18e6cd2d235d76fabe3872ea3
2019-04-12 19:52:45 +09:00
Lorenzo Colitti
4c9f954d2b Revert "Revert "Block incoming non-VPN packets to apps under fully-routed VPN""
This reverts commit 3897df2e36.

Reason for revert: Rolling forward, will fix tests in same CL stack.

Bug: 114231106
Bug: 130397860
Test: FrameworksNetTests
Change-Id: Ia8a0c99b4e1fd5dff26c881715cd876618ca4321
2019-04-12 19:52:32 +09:00
Remi NGUYEN VAN
3897df2e36 Revert "Block incoming non-VPN packets to apps under fully-routed VPN"
This reverts commit fd8f96d719.
This change does not have any topic: not reverting the other 2 commits in the original topic.

Reason for revert: broke FrameworksNetTests presubmit: b/130397860

Change-Id: Iff41d9fe97fafea44680c8d67d1ce19277548cc0
2019-04-12 09:05:40 +00:00
Rubin Xu
fd8f96d719 Block incoming non-VPN packets to apps under fully-routed VPN
When a fully-routed VPN is running, we want to prevent normal apps
under the VPN from receiving packets originating from any local non-VPN
interfaces. This is achieved by using eBPF to create a per-UID input
interface whitelist and populate the whitelist such that all
non-bypassable apps under a VPN can only receive packets from the VPN's
TUN interface (and loopback implicitly)

This is the framework part of the change that build the whitelist.
The whitelist needs to be updated in the following cases:
* When a VPN is connected and disconnected
    This will cover the change to allowBypass bit, since that can't be
    changed without reconnecting.
* When a VPN's NetworkCapabilites is changed (whitelist/blacklist app changes)
* When a new app is installed
* When an existing app is removed
* When a VPN becomes fully-routed or is no longer fully-routed

New user/profile creation will automatically result in a whitelist app change
transition so it doesn't need to be handled specially here.

Due to the limitation of the kernel IPSec interacting with eBPF (sk_buf->ifindex
does not point to the virtual tunnel interface for kernel IPSec), the whitelist
will only apply to app VPNs but not legacy VPN connections, to prevent breaking
connectivity with kernel IPSec entirely.

Test: atest PermissionMonitorTest
Test: atest android.net.RouteInfoTest
Test: atest com.android.server.ConnectivityServiceTest
Test: atest HostsideVpnTests
Bug: 114231106
Change-Id: I143b03d60e46cb1b04732b4a4034f5847b4d1b1a
2019-04-10 17:05:54 +01:00
Paul Hu
1e97aab6f4 Merge "Address leftover comments on 923337 and 930217." 2019-04-02 07:39:04 +00:00
paulhu
3d67f53b02 Address leftover comments on 923337 and 930217.
- Restrict unprivileged apps to use
  NetworkRequest.Builder#setSignalStrength.

- Remove the "throws NullPointerException" in
  CaptivePortalProbeSpec constructor.

- Remove the null check in LinkProperties.

- Add annotataion into all ConnectivityManager.NetworkCallback
  methods.

Change-Id: Id275cac1d6a30d7515cd7b113394f5e8a0179314
Fix: 129097486
Test: atest FrameworksNetTests
2019-04-01 16:24:10 +08:00
Remi NGUYEN VAN
78454f3c46 Merge "Fix race when starting NetworkMonitor" 2019-04-01 03:54:03 +00:00
Remi NGUYEN VAN
3962f678c3 Fix race when starting NetworkMonitor
NetworkMonitor obtained LinkProperties and NetworkCapabilities via
synchronous calls to ConnectivityManager after receiving an asynchronous
notification, which is prone to races: the network could be gone before
the LinkProperties/NetworkCapabilities can be fetched.

Fix the race by passing LinkProperties/NetworkCapabilities directly to
NetworkMonitor in the asynchronous notifications.

Test: atest FrameworksNetTests NetworkStackTests
Test: booted, WiFi works
Bug: 129375892
Change-Id: I200ac7ca6ff79590b11c9be705f650c92fd3cb63
2019-04-01 11:33:10 +09:00
Luke Huang
b9ef4dd299 Merge "Use IDnsResolver instead of INetd for resolver related binder commands" 2019-03-29 08:45:19 +00:00
Junyu Lai
e5ee6b9b31 Merge changes I0baf582f,I4bba01ba
* changes:
  Block unpriviledged apps which create keepalives with null fd
  Fix keepalive don't get removed when lower layer error
2019-03-28 00:53:20 +00:00
junyulai
15178155e0 Block unpriviledged apps which create keepalives with null fd
Currently, socketKeepalive implementation is accepting null fd
due to backward compatibility with legacy packet keepalive API.
However, due to lack of the fd, the service cannot guarantee the
port is not reused by another app if the caller release the port
for any reason.

Thus, grant the null fd access only for priviledged apps.

This commit also address some comments from aosp/918533.

Bug: 126699232
Test: atest FrameworksNetTests
Change-Id: I0baf582ff4ca8af6082c3754e8dfbcd867f39792
2019-03-27 19:51:08 +08:00
Luke Huang
6591477a5b Use IDnsResolver instead of INetd for resolver related binder commands
migrate resolver related commands from INetd to IDnsResolver

Bug: 126141549
Test: atest FrameworksNetTests ConnectivityServiceTest Nat464XlatTest
      atest DnsManagerTest
Change-Id: I559c0c1304d53dde408c062e1a52e742595e7cbe
2019-03-27 17:39:07 +08:00
Lucas Lin
9e3297a099 Merge "Fix flaky test for ConnectivityServiceTest#testPartialConnectivity" 2019-03-27 01:29:51 +00:00
lucaslin
f3b59b3ee0 Fix flaky test for ConnectivityServiceTest#testPartialConnectivity
There are 2 problems will make testPartialConnectivity flaky:
1. If we call setNetworkValid() before expectCapabilitiesWith(),
there may be a timing issue that network will become VALID before
NetworkMonitor send PARTIAL_CONNECTIVITY to ConnectivityService.
Solution:
We should set network to valid after ConnectivityService received
NETWORK_TEST_RESULT_PARTIAL_CONNECTIVITY to ensure NetworkMonitor
will send PARTIAL_CONNECTIVITY to ConnectivityService first then
send VALID.

2. When test case call explicitlySelected(true) first then call
connect(true), NetworkMonitor will report the network validation
test result twice because ConnectivityServiceTest() will trigger
notifyNetworkTested() when setAcceptPartialConnectivity() is
called, it may cause a timing that before the second test result
send to ConnectivityService, connect() already called
setNetworkInvalid. So, NET_CAPABILITY_VALIDATED will be removed
and ConnectivityService will trigger onCapabilitiesChanged()
unexpectedly.
Solution:
Don't trigger notifyNetworkTested() when
setAcceptPartialConnectivity() is called. If there is needed,
use mCm.reportNetworkConnectivity() to report the test result
instead.

Bug: 128426024
Test: 1. atest FrameworksNetTests: \
      ConnectivityServiceTest#testPartialConnectivity \
      --generate-new-metrics 1000

Change-Id: I7200528378201a3c7c09a78ff827b41f2741dfa1
2019-03-26 17:49:49 +08:00
junyulai
afe9b49f0b Reveal the call trace of failed test cases which run in executors
Currently, the fails in testTcpSocketKeepalives are triggered by
fail() inside the executor, which is hiding the actual call trace
but only message remains. And it made the fail case hard to
debug.

So this commit is to bubble up the Exception by using a custom
functional interface.

Bug: 123987272
Test: 1. atest FrameworksNetTests
      2. manually fail the test case and see the call trace

Change-Id: I125e673938a5e9d1de86f83c1a732227a4bd3207
2019-03-25 12:56:47 +00:00
junyulai
0c66697770 Fix SocketKeepalive APIs which do not meet API review requirement
Per API review, change the use of FileDescriptor to
ParcelFileDescriptor.
This change also fix nullability according to API review
feedbacks.

Fix: 126698610
Fix: 126699425
Fix: 126699232
Fix: 126700278

Test: 1. m -j
      2. atest FrameworksNetTests --generate-new-metrics 50
      3. m -j doc-comment-check-docs
Change-Id: I19476c50dd1ca290bf3f41973829da2bd229796a
2019-03-25 15:56:35 +08:00
lucaslin
5ecbb809de Temporarily disable flaky test.
Test: None
Bug: 128426024
Change-Id: I6fa12e50decbafe9d934030865c5a8f20d42b86f
2019-03-21 19:14:32 +08:00
Lucas Lin
f6cbc2d533 Merge "Improve partial connectivity" 2019-03-21 03:34:30 +00:00
lucaslin
4333899a41 Improve partial connectivity
Improve the design and fix some nits.

Bug: 113450764
Test: 1. Build pass
      2. atest FrameworksNetTests
      3. atest NetworkStackTests
      4. Change captive_portal_https_url to https://invalid.com
      to simulate partial connectivity.
Change-Id: Ia56645841d00d2ed8406cfeacb86a4a27fd58650
2019-03-20 18:21:59 +08:00
Remi NGUYEN VAN
205886d28f Merge "Remove NetworkParcelable" 2019-03-18 01:30:25 +00:00
Remi NGUYEN VAN
904a38be5e Remove NetworkParcelable
With the @JavaOnlyStableParcelable annotation, Network can now be used
as-is as a framework parcelable.

Test: atest FrameworksNetTests NetworkStackTests
Bug: 126477266
Change-Id: I5d9695a31b3ac48d10edcf08ccd0c34375353b79
2019-03-16 03:51:09 +09:00
junyulai
7c469179ce [KA02.5] Use binder thread and executor to invoke callback
Currently, client side of keepalive event handling rely on a
newly created thread, looper, messenger and handler per object.

However, by creating oneway AIDL interface with the executor,
the callbacks can be invoked on the binder thread with user
specified context, which not only greatly simplify the design
but also reduce the cost of current thread modeling.

Bug: 114151147
Bug: 123969871
Test: 1. atest FrameworksNetTests --generate-new-metric 10
      2. atest-deflake.sh

Change-Id: I27504074cd28d5b5eb94a7ec0e97ebaaaaa1ae3d
2019-03-14 19:24:12 +08:00
Chalard Jean
ae79013ec2 Merge "Tell the factory it is already serving a request." 2019-03-13 02:07:29 +00:00
Ian Kasprzak
3fb5ba9e61 Merge "Temporarily disable flaky test." 2019-03-13 01:52:21 +00:00
Xiao Ma
f1e012ae9b Merge "[KA13]: add unit test for exposed TCP socket keepalive API." 2019-03-13 01:13:08 +00:00
Lorenzo Colitti
5ae2caf8db Temporarily disable flaky test.
Test: None
Bug: 128426024
Change-Id: Id88bf452f41f512703d5831e357d9ba72dc5b911
2019-03-13 09:23:54 +09:00
Chalard Jean
05ab6811d0 Tell the factory it is already serving a request.
This is a cherry-pick of ag/607226 that has been rebased on
top of four years of changes and with comments addressed.

Gives each factory a serial number and propagates it to every
NetworkAgent so when a score comes back indicating a request is
being handled the factory can account for it properly.

Without this, a new request that's already handled by a network
offered by a factory will not cause an increment of the factorys
ref count. Concretely this results in issues like the RAT icon
not being displayed in spite of the network actually being up
and usable.

This will be ported to AOSP as soon as possible, but immediately
some master-only WiFi tests need to be adjusted with this change
which would not let me submit to AOSP.

Bug: 18637384
Bug: 29030667
Test: manual
Test: atest frameworks/opt/telephony/tests/telephonytests
Test: atest frameworks-net
Test: atest CtsNetTestCases CtsHostsideNetworkTests
Change-Id: I597ac588f76dd507512ff02868fd1310b7e63f7e
Merged-In: I597ac588f76dd507512ff02868fd1310b7e63f7e
2019-03-12 21:47:21 +09:00