Commit Graph

2226 Commits

Author SHA1 Message Date
Lorenzo Colitti
f61ca94e2c Allow ConnectivityServiceTest to change the calling UID.
Allow ConnectivityServiceTest to change the UID by replacing
static calls to Binder.getCallingUid() with a method that can
be mocked.

Add registerNetworkCallbackAsUid as an initial way to exercise
this, and add some test coverage to the always-on lockdown test
to confirm that things are working as expected.

Bug: 173331190
Test: new unit tests
Change-Id: Ie0b32460e20e5906a0f479191e11a062f21cc608
2020-12-15 21:10:36 +09:00
Remi NGUYEN VAN
f278ef3b02 Merge changes from topic "tcp_keepalive_fix"
* changes:
  Use API TcpKeepalivePacketData in ClientModeImpl
  Add TcpKeepalivePacketData to SystemApi
2020-12-15 09:02:55 +00:00
Chiachang Wang
75d25e51d5 Merge "Remove hidden deprecated getActiveNetworkQuotaInfo" 2020-12-15 07:02:54 +00:00
Chiachang Wang
2f81e75ae4 Remove hidden deprecated getActiveNetworkQuotaInfo
getActiveNetworkQuotaInfo has never been in API surface since it
was introduced. It became essentially functionless since android O,
so there should be no usage dependency upon the hidden method,
In order to support ConnectivityService mainline, remove the
useless function to prevent necessary dependency.

Bug: 172183305
Test: atest FrameworksNetTests
Change-Id: Ia685b3260256d465ef614b2f577d13344074c787
2020-12-15 06:45:50 +00:00
Remi NGUYEN VAN
5e6b51b895 Add TcpKeepalivePacketData to SystemApi
This is consistent with NattKeepalivePacketData, which is also a
subclass of KeepalivePacketData.

TcpKeepalivePacketData is already used by the wifi module, but
statically linked.

Bug: 172789687
Test: m
Change-Id: I6aee1ae205987521bea4a3838bbece279ffa0e37
2020-12-14 18:43:44 +09:00
Lorenzo Colitti
629666597e Merge "Generalize support for underlying networks." 2020-12-14 05:19:49 +00:00
Chiachang Wang
0079fa9b39 Merge "Resolve UidRange dependency between NMS and CS module" 2020-12-14 02:55:41 +00:00
Lorenzo Colitti
96dba63235 Generalize support for underlying networks.
Currently, ConnectivityService assumes that only VPNs can have
underlying networks. Make the code decide this based only on the
return value of NetworkAgentInfo#supportsUnderlyingNetworks.
This allows non-VPN network types to support underlying networks
in the future.

This requires storing the original agent's capabilities in
NetworkAgentInfo so that applyUnderlyingCapabilities can mix in
the underlying network capabilities without overwriting the
capabilities of the network itself. Currently, the only
information that applyUnderlyingCapabilities takes from the
original agent's capabilities are the metered bit (stored in
NetworkAgentInfo#declaredMetered) and the transports (assumed to
be exactly {TRANSPORT_VPN}. Store the full capabilities instead.
This is more state than needed but it ensures that we do not need
to make any changes if in the future we want to propagate new
types of information from the underlying networks.

This should have no impact on current use cases (i.e., VPNs).

There is a change in ordering: in disconnectAndDestroyNetwork,
the new code propagates underlying network capabilities before
removing the network from LegacyTypeTracker, instead of after.

This is done to simplify the new code. When the new code
propagates underlying network capabilities in response to a
change for a particular network (e.g., connect, disconnect,
capabilities change), it only considers networks that have the
changed network as underlying. Because determining the
underlying networks requires knowing the default network,
the new code runs before the default network is changed and
LegacyTypeTracker is updated.

This shouldn't have app implications because the connectivity
broadcasts sent by LegacyTypeTracker and the callbacks cannot be
ordered, since they run on separate threads with unpredictable
delays. The capability change callbacks resulting from
propagation of underlying network capabilities were already
sent before the rematch, so the callbacks themselves are not
reordered in any way.

Bug: 173331190
Test: atest FrameworksNetTests \
            CtsNetTestCases:NetworkAgentTest \
	    CtsNetTestCases:Ikev2VpnTest \
	    CtsNetTestCases:VpnServiceTest \
	    CtsNetTestCases:android.net.cts.ConnectivityDiagnosticsManagerTest \
	    HostsideVpnTests com.android.server.connectivity.VpnTest
Change-Id: Ic5353a928a3a3541dcf953c35f47277c5e295db8
2020-12-13 00:10:56 +09:00
Paul Hu
36f2678d7d Merge "Replace PackageManager @hide APIs" 2020-12-11 09:50:28 +00:00
Chalard Jean
8e0446ba0a Merge changes from topic "remove_legacy_NA"
* changes:
  Remove support for legacy network agents
  Remove deprecated constructors for NetworkAgent
  Migrate NetworkAgentWrapper to the new NA API
  Cleanup TestNetworkService
2020-12-11 02:32:57 +00:00
Lucas Lin
618b9e5609 Merge "Use getUserHandles() instead of getUsers() to get user id" 2020-12-11 02:02:37 +00:00
paulhu
310c9fbc20 Replace PackageManager @hide APIs
ConnectivityService is using
PackageManager#getApplicationInfoAsUser() to get application
info but this API is not able to call after CS becomes a
mainline module. Thus, replace it with formal API.

Bug: 170593746
Test: atest FrameworksNetTests
Test: atest CtsNetTestCasesLegacyApi22
Change-Id: Idd1269aa50e234801583097bb6f40b099bab8fba
2020-12-10 23:32:32 +08:00
Chiachang Wang
28afaff7c3 Resolve UidRange dependency between NMS and CS module
ConnectivityService is going to become a mainline module which
cannot access hidden APIs. Thus, replace the VPN uid range
controlling APIs from NMS to INetd directly.

Bug: 170598012
Test: atest FrameworksNetTests
Test: atest HostsideVpnTests
Test: manually test to connect to VPN and check the uid range
Change-Id: Ie6656ef36f54c2f14d5a2899e763a29b70a30f5d
2020-12-10 22:24:47 +08:00
Lucas Lin
081753f277 Merge "Reimplement DumpUtils#checkDumpPermission() in ConnectivityService" 2020-12-10 10:57:58 +00:00
Treehugger Robot
999c30297a Merge "[Mainline] Network netId to getNetId() migration" 2020-12-10 08:47:27 +00:00
Lorenzo Colitti
635e43ae1a Merge changes I6eb6d92b,I638e29fd,I2348b7a3
* changes:
  Add a convenience method to update a network's capabilities.
  Disallow NetworkAgents from changing the owner UID.
  Observe mOwnerUID in NetworkCapabilities#equals.
2020-12-10 08:11:52 +00:00
lucaslin
99473f6489 Reimplement DumpUtils#checkDumpPermission() in ConnectivityService
ConnectivityService is going to be a part of mainline module, to
prevent using @hide method in ConnectivityService, reimplement
DumpUtils#checkDumpPermission() in ConnectivityService.

Bug: 175177794
Test: atest FrameworksNetTests
Test: adb shell dumpsys connectivity
Change-Id: I1e4bc023b39b40a717a3a0fd8cd60aa2f25e9bdb
2020-12-10 07:12:05 +00:00
lucaslin
c0c8e0352e Use getUserHandles() instead of getUsers() to get user id
UserManager#getUsers() is a hidden API, use getUserHandles() to
get user id instead in PermissionMonitor.

Bug: 171529940
Test: atest FrameworksNetTests
Change-Id: Ic304627688de8e49505a95ebc99628b2e0eafab9
2020-12-10 13:58:39 +08:00
Serik Beketayev
3422864269 Merge "[Mainline Migration] Migrate NetworkUtils" 2020-12-09 23:47:05 +00:00
Lorenzo Colitti
e4d1e526e1 Add a convenience method to update a network's capabilities.
Almost all calls to ConnectivityService#updateCapabilities use
all the current data in the network, and thus call the method
like this:

    updateCapabilities(nai.getCurrentScore(), nai, nai.networkCapabilities);

Introduce a convenience method to simplify this frequent use case.

Bug: 173331190
Test: passes existing ConnectivityService tests
Change-Id: I6eb6d92bd159f2575d10a929bd59f6dd1b7a4b4e
2020-12-10 00:41:06 +09:00
Lorenzo Colitti
9340134026 Disallow NetworkAgents from changing the owner UID.
The current behaviour with regards to changing the owner UID is
bizarre and arguably incorrect. A NetworkAgent can change the
owner to whatever other app it wants, regardless of signatures,
at any time. This includes, for example, transferring ownership
to another UID and then recovering it.

Fortunately no existing NetworkAgent appears to do this:
- ClientModeImpl sets it to the UID of the app that created the
  configuration. It doesn't look like it can change while the
  network is connected.
- Vpn sets it to the UID of the VPN owner. That also can't change.
- Telephony does not appear to set it at all, it only sets the
  administrator UIDs (and updates them whenever it gets
  EVENT_CARRIER_PRIVILEGED_UIDS_CHANGED).

Disallow this now before code is written that depends on it.

Bug: 175188445
Test: modified tests in ConnectivityServiceTest
Change-Id: I638e29fda2481ec3bf4fff562ea66a73322881df
2020-12-09 19:47:17 +09:00
Serik Beketayev
ec8ad21a93 [Mainline] Network netId to getNetId() migration
Bug: 175085315
Test: atest
Change-Id: I3d7366ba1e60be3ff7c6dd6c589db760b182136b
2020-12-08 16:34:38 -08:00
Chalard Jean
28668319fa Cleanup TestNetworkService
Very small cleanup where arguments to TestNetworkAgent should
have the same order as the callee. Also remove an unused member.

Test: FrameworksNetTests NetworkStackTests
Change-Id: I9da16bc81be8524e227a7f7e83760882bc4d77e5
2020-12-08 16:03:59 +09:00
Lorenzo Colitti
522180e236 Merge "Add comments to the process*FromAgent methods." 2020-12-07 16:44:11 +00:00
Lorenzo Colitti
96883c93f3 Add comments to the process*FromAgent methods.
Test: comment-only change
Change-Id: I5ebf6e21d79ed669f85ddf9bf466236d4bd59243
2020-12-08 01:17:17 +09:00
Serik Beketayev
754c5be0f7 [Mainline Migration] Migrate NetworkUtils
Migrating makeStrings(), numericToInetAddress() APIs

Bug: 173089079
Test: atest FrameworksNetTests
Change-Id: Ie914fd41bc3ce16d07f5d2768b89ce805b9245a9
2020-12-06 22:33:04 -08:00
Cody Kesting
4068bd9259 Merge "Allow the System UID to unregister ConnDiags CBs." 2020-12-04 17:35:28 +00:00
Cody Kesting
70fa2b2c27 Allow the System UID to unregister ConnDiags CBs.
This CL updates ConnectivityService to allow the System's UID to
unregister ConnectivityDiagnostics callbacks. Preivously, only the
registrant was allowed to unregister them - this caused problems for
callbacks that were attempted to be unregistered via binderDied() when
the registrant app dies.

Bug: 159912975
Bug: 174713659
Test: manually verified
Change-Id: I20d0cad5f902708d366aa703c2893b0ea3e55052
2020-12-03 17:43:50 -08:00
Aaron Huang
cc3487c924 Merge "Migrate Slog to Log used in connectivity service module" 2020-12-03 10:17:45 +00:00
Lorenzo Colitti
c54b7eda99 Merge changes Ic5a3e169,I76daa3ab
* changes:
  Refactor applyUnderlyingCapabilities and its test.
  Move applyUnderlyingCapabilities to ConnectivityService.
2020-12-02 04:55:12 +00:00
Lucas Lin
8671a6fe9e Merge "Use public API of NetworkAgent in TestNetworkService" 2020-12-02 03:30:59 +00:00
Lorenzo Colitti
d7caf838c0 Refactor applyUnderlyingCapabilities and its test.
This reduces verbose assertions and makes the test more compact.
I'm not sure whether it's actually more valuable, since the
current code, while more verbose, is probably more
straightforward to understand.

Also add a test for passing in a null underlying network (i.e.,
follow default network). This requires a minor refactoring in
ConnectivityService because the applyUnderlyingCapabilities does
not currently treat null specially.

Bug: 173331190
Test: test-only change
Change-Id: Ic5a3e16969ea9e1a529706850f148cb0d5fd8e09
2020-12-02 00:45:57 +09:00
lucaslin
4ead42c078 Use public API of NetworkAgent in TestNetworkService
- Create NetworkAgent by using the public API of NetworkAgent.
- Remove the usage of NetworkInfo.

Bug: 172183305
Test: Build pass.
Test: atest FrameworksNetTests
Test: atest CtsNetTestCasesLatestSdk
Test: atest NetworkStackIntegrationTests
Test: atest TetheringIntegrationTests
Change-Id: Icba59295861201c221587caa9df02275c4087fb8
2020-12-01 23:03:02 +08:00
Lorenzo Colitti
cda101be7d Move applyUnderlyingCapabilities to ConnectivityService.
This is essentially a straighforward move of code from Vpn to
ConnectivityService, and from VpnTest to ConnectivityServiceTest.

Bug: 173331190
Test: passes existing tests, moved tests pass
Change-Id: I76daa3abcc777e9c3ba57efb750de0e2e2f3bb74
2020-12-01 23:23:47 +09:00
Felipe Leme
11cf60b2c5 Deprecated UserManager.getUsers(excludeDying) / added getAliveUsers()
The existing method is confusing (the argument used to be called
includeDying) and it puts the burden on the caller (which need to
understand what the parameter means).

Furthermore:

- The majority of calls are for getUsers(excludeDying=true).
- The calls for getUsers(excludeDying=false) are equivalent to
  calls to getUsers()

Test: m
Test: a VpnTest ConnectivityServiceTest PermissionMonitorTest

Bug: 157921703
Change-Id: Ife767a40b7b7790ba28b5377046de822ddbf275c
Merged-In: Ife767a40b7b7790ba28b5377046de822ddbf275c
(cherry picked from commit 6dc6d2b96498bcca132913dbfc6338f8f9f6c697)
2020-12-01 15:25:52 +08:00
Lorenzo Colitti
5dab5fb9c4 Merge changes If2201f39,Ia1c366c5
* changes:
  Stop calling Vpn#updateCapabilities in CS.
  Stop accessing VPNs in checkConnectivityDiagnosticsPermissions.
2020-11-30 14:14:38 +00:00
Chalard Jean
c99d746c06 Add a provider to VPN
Test: FrameworksNetTests NetworkStackTests
Change-Id: I982543cdee358bb62d3b56a7fd9d71dc18908b65
2020-11-30 16:15:19 +09:00
Aaron Huang
6616df39b9 Migrate Slog to Log used in connectivity service module
Connectivity service module uses Slog which is @hide so
migrate to Log, which is public, to remove hidden API usage.

Bug: 172050541
Test: FrameworksNetTests
      check log is moved from system buffer to main buffer.
Change-Id: I0dcc0e169b892cc872ed4510f699642cb81b633a
2020-11-30 14:35:01 +08:00
Lorenzo Colitti
18b00acd92 Stop calling Vpn#updateCapabilities in CS.
Instead, make Vpn#onUserAdded and Vpn#onUserRemoved notify CS
of UID range changes through the VPN's NetworkAgent.

After this change, ConnectivityService no longer touches the
VPN's NetworkCapabilities directly, which is a much cleaner
design.

Bug: 173331190
Test: passes existing tests in ConnectivityServiceTest
Change-Id: If2201f392cdb5f00c89a97683ad4ce6bda7b89e5
2020-11-27 15:35:39 +09:00
Lorenzo Colitti
fee5e4e34c Stop accessing VPNs in getAllVpnInfo.
This is only used for NetworkStatsService and only called on the
handler thread, so it can be replaced by a simple scan over
mNetworkAgentInfos without having to take any locks.

Bug: 173331190
Test: passes existing tests in ConnectivityServiceTest
Change-Id: I194e0cc55603a0f59f7138f38329f505b55da132
2020-11-27 15:35:38 +09:00
Lorenzo Colitti
083b00b5fb Stop accessing VPNs in checkConnectivityDiagnosticsPermissions.
Currently, checkConnectivityDiagnosticsPermissions takes the VPN
lock to examine the VPN's underlying networks. Use the underlying
network data that is available in ConnectivityService instead.

Bug: 173331190
Test: passes existing tests in ConnectivityServiceTest
Change-Id: Ia1c366c5e9974d4d2c4b38030e66c007d62020ff
2020-11-27 15:35:38 +09:00
Lorenzo Colitti
8000e03ec9 Clear calling identity in registerNetworkAgent.
Much of registerNetworkAgent calls internal ConnectivityService
methods which generally assume that they are not processing an
IPC and are running under the system's calling identity.

However, only the call to makeNetworkMonitor is run with caller
identity cleared. Expand the scope of clearing the caller
identity over the creation of the nai.

Bug: 173331190
Test: passes existing tests in ConnectivityServiceTest
Change-Id: Icad28601a612fb5e1ed0451ec9e2066f4e766d0e
2020-11-27 15:35:38 +09:00
Lorenzo Colitti
129c01eabf Move applying underlying caps from Vpn to ConnectivityService.
Add support to ConnectivityService to track underlying networks
directly instead of through the Vpn class.

1. Communicate all information necessary to propagate underlying
   network capabilities to ConnectivityService via NetworkAgent.
   This includes:
   a. Underlying networks:
      - Add SystemApi for NetworkAgent to declare its underlying
        networks to ConnectivityService, and use it in Vpn.
      - Add a new declaredUnderlyingNetworks member to
        NetworkAgentInfo and store the underlying networks in it.
	Move propagation of underlying network capabilities to
	mixInCapabilities, which is a natural place for it.
   b. "Always metered" bit:
      - Communicate this to ConnectivityService via the existing
        NOT_METERED capability. Store it in a new declaredMetered
	boolean in NetworkAgentInfo to separate it cleanly from
	the NOT_METERED bit in the capabilities, which depends on
	whether the underlying networks are metered or not. In
	order to ensure that this is only ever changed when a NC
	update is received from a NetworkAgent, define a new
	processCapabilitiesFromAgent similar to the existing
        processLinkPropertiesFromAgent.

2. Ensure that propagating underlying network capabilities does
   not read the VPN's NetworkCapabilities. In order to do this,
   ensure that all relevant information on underlying networks
   and metering is sent to ConnectivityService at NetworkAgent
   registration time. CS still calls Vpn#updateCapabilities when
   a user is added/removed, but that is deleted in a future CL.

3. Slightly generalize propagating underlying network
   capabilities because there may be other network types that
   also have underlying networks that aren't VPNs (e.g., VCN).
   - Introduce a new supportsUnderlyingNetworks() boolean method
     in NetworkAgentInfo.
   - Rename updateAllVpnsCapabilities to
     propagateUnderlyingNetworkCapabilities.

This commit does not move the actual logic of calculating the
underlying capabilities out of Vpn.java. That can be done in a
subsequent change once CS stops calling getUnderlyingNetworks().

This commit also does not modify any of the other code in CS that
directly accesses VPNs' underlying networks.

Bug: 173331190
Test: passes existing tests in ConnectivityServiceTest
Test: CTS test in r.android.com/1511114
Test: atest CtsNetTestCases:Ikev2VpnTest HostsideVpnTests
Change-Id: I5f76cb1aa4866efed3d5c4590e931fdb0e994f8d
2020-11-27 15:35:38 +09:00
James Mattis
5cbbbfb144 Merge changes Ibed6cdd4,I51e3c00d,Ibf37f94b
* changes:
  Update toString() to use the correct request
  Update requestsSortedById() to sort by collection
  Allow a way to track the active request in an NRI
2020-11-21 00:24:11 +00:00
Chiachang Wang
81d8d47876 Merge changes from topic "move_BSCH"
* changes:
  Remove BasicShellCommandHandler from frameworks/base
  Move BasicShellCommandHandler to frameworks/lib/modules-utils
2020-11-20 07:29:56 +00:00
James Mattis
e955141cc6 Update toString() to use the correct request
Update ConnectivityService.NetworkReassignment#toString to use either
the current satisfier's request otherwise highest priority request when
executing toString(). This is part of the mulilayered request changes.

Bug: 173336774
Bug: 171991028
Test: atest FrameworksNetTests
Change-Id: Ibed6cdd4522133164b2b919f62ecc9411943f026
2020-11-19 17:04:02 -08:00
James Mattis
258ea3c3c3 Update requestsSortedById() to sort by collection
Update requestsSortedById() to sort NetworkRequestInfo by their
nested collection of NetworkRequest objects vs a single request.
Before the NetworkRequestInfo with the request with the lowest
requestId would be sorted to the top. Now the NetworkRequestInfo
which contains the request with the lowest requestId will be
sorted to the top.

Bug: 173292541
Bug: 171991028
Test: atest FrameworksNetTests
Change-Id: I51e3c00d59443e37ddbf168c423d13df8d14fa64
2020-11-19 17:04:02 -08:00
James Mattis
4fce5d1bc7 Allow a way to track the active request in an NRI
As we are now allowing for multi-layered requests in NetworkRequestInfo
(NRI), we need a way to track which of those requests ended up being
satisfied. This also includes updates to NetworkRequestInfo itself to
support multilayared requests.

Bug: 173146509
Bug: 171991028
Test: atest FrameworksNetTests
atest FrameworksNetIntegrationTests
atest CtsNetTestCasesLatestSdk
Change-Id: I7bb5a564769c90928871fe28de05195c9cfae6b5

Change-Id: Ibf37f94b53eb2e833821553e00d76fe38bfea266
2020-11-19 17:03:51 -08:00
lucaslin
5d358df3c7 Remove a comment from ConnectivityService
This comment is not true anymore since NetworkMonitor is not only
verifying the default network but also verifying VPN when private
DNS is enabled.

Test: Build pass.
Change-Id: Ib975aa28c84b9974a73d1baca9d5185c01b71217
2020-11-19 16:19:10 +08:00
Chiachang Wang
62740141dc Move BasicShellCommandHandler to frameworks/lib/modules-utils
BasicShellCommandHandler is used by mainline modules and the
framwork. There is a new repo that was created for putting
this kind of utility class. Move BasicShellCommandHandler for
the incoming ConnectivityService mainline and updating the
related usage.

Bug: 170598012
Test: m ; verify with adb shell cmd
Change-Id: I8a2873df6e7d8342b7a8b466bda155f74c807ee3
Merged-In: Ida30c877116090616d4bf3f87fdad835446dac84
2020-11-19 03:16:03 +00:00