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Add BPF support for NetworkStatsService
Add the native implementation for NetworkStatsService to read the
uidStatsMap and tagStatsMap to get the network traffic information.
Currently the implementation only try to get the data from bpf for a
reference but the final value returned is still from old xt_qtaguid
module. So the result will not be effected. The bpf implementation is
depending on libbpf inside netd.

Bug: 30950746
Test: CtsNetTestCases -t android.net.cts.TrafficStatsTest

Change-Id: Ia85e4d4d602f6bd536739d89085e6dc37ad82e15

Chenbo Feng   commited 2018-01-22 23:25:11 -08:00
7d2d414fd8
Merge "Remove obsolete NetworkStats.Entry constructor."
Lorenzo Colitti   authored and   Gerrit Code Review   commited 2018-01-23 00:15:15 +00:00
ebb1d92eb8
Merge "Address comments and final cleanup from refcounting integration"
Benedict Wong   authored and   Gerrit Code Review   commited 2018-01-22 20:32:18 +00:00
faa9b02efc
Merge "Rename create/delete transform methods"
Benedict Wong   authored and   Gerrit Code Review   commited 2018-01-22 17:57:15 +00:00
da6956a702
Remove obsolete NetworkStats.Entry constructor.
The only caller is telephony code, and it's being fixed in this
topic.

Bug: 35142602
Test: builds, boots
Change-Id: Ia77a1c2c297037f311c2355610c206cd8e3192c4

Lorenzo Colitti   commited 2018-01-21 23:01:35 +09:00
9ab3929812
Merge "Add Tunnel Interface APIs to IpSecManager"
nharold   authored and   Gerrit Code Review   commited 2018-01-19 19:43:17 +00:00
a82dbcb3c7
Rename create/delete transform methods
CreateTransportModeTransform and DeleteTransportModeTransform are both
agnostic as far as which mode of transform it creates/deletes. As such,
to facilitate the implementation of tunnel mode, this patch renames them
to CreateTransform and DeleteTransform, along with all test names.

Bug: 63588681
Test: frameworks/base unit tests and CTS tests run, passed
Change-Id: I1f015eb7ad0e85fca966658a9402485ca2b44091

Benedict Wong   commited 2018-01-19 10:43:01 -08:00
0fff56eae5
Track and persist in stats whether traffic is on the default network.
This change adds the defaultNetwork to the ident based on current
system networking state, and persists that value to flash.

Bug: 35142602
Test: runtest frameworks-net
Test: downloaded files using default/non-default networks while watching dumpsys netstats
Change-Id: Id8776d149b2977548a9eb455ad4926af55e25aba

Lorenzo Colitti   commited 2018-01-19 19:49:16 +09:00
ab7807a5bb
Add the default network to NetworkStats and NetworkStatsCollection.
This allows us to maintain NetworkStats entries that track
whether the traffic was on the default network.

At the moment, the stats collection code always passes in
DEFAULT_NETWORK_NO. However, this value is a no-op, since it is
not persisted to disk. Only the ident, the uid/set/tag, and the
packet/byte/operation counters are persisted.

A future change will add defaultNetwork to the ident and start
persisting it.

Bug: 35142602
Test: runtest frameworks-net
Change-Id: Ifa291c62c0fa389b88e5561086a29dcd7cee2253

Lorenzo Colitti   commited 2018-01-19 19:49:16 +09:00
3e85855083
Pass all default networks to NetworkStatsService
This will allow NetworkStatsService to treat traffic on these
networks differently from traffic where the app selects a network
that is not the default.

Bug: 35142602
Test: runtest frameworks-net
Change-Id: I5ea9d200d9fb153490c6108bb9390bf152f297da

Lorenzo Colitti   commited 2018-01-19 16:40:10 +09:00
28d1a529d5
Add Tunnel Interface APIs to IpSecManager
Add a new interface and a new management object,
IpSecTunnelInterface to the IpSecManager surface.
This object will be used to control IPsec tunnels.

-Add IpSecTunnelInterface object
-Add methods to create and use an IpSecTunnelInterface
-Update the IpSecTransform builder to create Tunnel
 mode IpSecTransform objects (usable with an IpSecTunnel)

Bug: 36033193
Test: compilation
Change-Id: Ib6948b12c15c93674234dc36288058ae44435b90

Nathan Harold   commited 2018-01-17 16:14:17 -08:00
67e7673adf
Address comments and final cleanup from refcounting integration
Added some extra comments on reference counting and moved a few methods
around. No significant logical changes made in this CL

Bug: 63409385
Test: CTS, Unit tests (both frameworks-base and netd) and binder tests
all pass

Change-Id: I89f1f4a021db48ae406fefefa6aca7406045736c

Benedict Wong   commited 2018-01-17 12:10:49 -08:00
cbd329b14a
IpSec - API Tweak for removeTransportModeTransform
Because IpSecTransforms are now unidirectional,
and because the only mechanism for removing Transforms
removes it from both directions, the API can no longer
use the Transform parameter to meaningfully validate
that the caller had applied a transform. Since that
functionality was as-yet unimplemented and is now
infeasible, the transform parameter is removed.

Bug: 72079356
Test: cts - IpSecManagerTest; runtest frameworks-net
Change-Id: If19b0d34bdc6daf31a40d6d62bff326dcbca08c0

Nathan Harold   commited 2018-01-17 01:11:46 -08:00
0d483b76f3
Prevent Closure of Underlying Socket FDs
The version of applyTransportModeTransform() and
removeTransportModeTransform() that accepted
Socket and DatagramSocket were closing the underlying
FDs upon return. It's unclear whether this is due to
a behavior change elsewhere in ParcelFileDescriptor,
but either way, converting to using getFileDescriptor$
and then calling dup() explicitly rather than relying
on ParcelFileDescriptor seems like a better idea anyway.

Bug: 72047396
Test: CTS - IpSecManagerTest.testCreateTransform()
Change-Id: Ia2f02564e1289f25bf113dbb861fcfd2240537a7

Nathan Harold   commited 2018-01-16 21:30:20 -08:00
3167625a15
Make Transforms Unidirectional
Convert the IpSecTransform from being a bi-directional
pair of SAs to a unidirectional single SA. This CL
also removes the concept of "direction from SAs meaning
that a IpSecTransform may now be applied to a socket
in either direction.

-Make transforms unidirectional
-Add Convert allocateSpi() to use destination rather
 than direction and remote address
-Remove directionality from builders for IpSecTransform
-Change applyTransportModeTransform() to take a
 direction in which to apply the transform object.
-Additional minor naming updates
-Restrict IpSecConfig to only print keys on eng builds
-Move DIRECTION constants to IpSecManager
-Add sourceAddress parameter to IpSecTransform to provide
 additional guarantees about the source address of data;
 (explicit failure rather than implicit failure).
-Move SPI to the build() method of IpSecTransform

Bug: 71717213
Test: runtest frameworks-net, CTS - IpSecManagerTest
Change-Id: I0824b37f443f4b8c62536d9801238c63ed8f2a1c

Nathan Harold   commited 2018-01-16 11:08:31 -08:00
5a19b9500d
Merge "Add validation to IpSecConfig algorithm setters"
Benedict Wong   authored and   Gerrit Code Review   commited 2018-01-09 18:18:28 +00:00
53e5d21924
Add validation to IpSecConfig algorithm setters
Adds checks to ensure that users can only set the correct types of
algorithms for the Authentication, Encryption and Authenticated
Encryption algorithms.

Bug: 65223935
Test: Added tests in IpSecConfigTest, and passed on aosp_marlin-eng
Change-Id: I462c77d9eb5710b8d03a48866453649d3b6fc6bf

Benedict Wong   commited 2018-01-04 16:56:40 -08:00
70867e55f7
IpSecService - Convert mNextResourceId from AtomicInt to Int
The mNextResourceId variable is only accessed within synchronized
blocks, so there is no need to use an atomic integer to synchronize
it. This eliminates the misleading notion that the variable is
accessed outside of guarded blocks, which it is not.

Bug: 62279167
Test: cts
Change-Id: I815835622659f54d2d2d33b349b17c632ebced8d

Nathan Harold   commited 2018-01-04 15:28:29 -08:00
fdafce24cf
IpSec Invalidate the Resource IDs on close()
To facilitate error checking we should invalidate
the resource IDs of all objects when we close() them.
Today, the resource ID is invalidated on the Transform
object but not on the SPI or Encap Socket. This CL
unifies the behavior.

Bug: 70641274
Test: cts - IpSecManagerTest
Change-Id: I28caec3e913902c748c6a50b4ef742ccef8b1b09

Nathan Harold   commited 2018-01-04 15:28:29 -08:00
5e8544685d
Fix CTS Test Dual Stack Test Passing Issue
CTS test should fail if IPV6 Sockets is used on IPV4 address.
Unfortunately its been passing fine due to unhandled catch
exception. This is fixed in this CL.

Bug: 64435904
Test: Ran CTS test to verify ./run_cts.sh
Change-Id: I369c1b5baaa64b64feaa3f298e61f46d1200ea17

manojboopathi   commited 2018-01-02 13:39:13 -08:00
ac927fe532
Merge "Use NetworkStatsService to get stats for apps"
Treehugger Robot   authored and   Gerrit Code Review   commited 2017-12-20 20:30:54 +00:00
8469cd614d
Use NetworkStatsService to get stats for apps
Move the native implementation of TrafficStats to NetworkStatsService
and apps need to get the NetworkStatsService binder interface from
system_server in order to get the network usage stats since boot. This
implementation can hide the detail of retrieving network traffic
information from apps and the NetworkStatsService can choose which
methoed it use to get the data depending on the kernel version of the
device.

Bug: 30950746
Test: CtsNetTestCases -t android.net.cts.TrafficStatsTest
Change-Id: I53bbefd19aa0b783b9b4b42ea4d76db3e9ec07a3

Chenbo Feng   commited 2017-12-19 19:57:44 -08:00
aa7ba31c8e
[ipsec-doze] Add fchown to IpSecService to support doze
Encap sockets are currently created as the system server, and should be
fchown'd to the user for whom it was created on behalf of.

Bug: 62994731
Test: New tests added and run to IpSecService
Change-Id: Icc49e709ae588981e69765fdb77537d7ffbac5fe

Benedict Wong   commited 2017-12-18 16:01:58 -08:00
1768744a3d
Merge "[ipsec-qtaguid] Tag sockets upon creation of encap sockets"
Benedict Wong   authored and   Gerrit Code Review   commited 2017-12-18 23:50:52 +00:00
cd534c6990
Merge "[CHERRY-PICK] API for apps to tag sockets with their own UID."
Benedict Wong   authored and   Gerrit Code Review   commited 2017-12-18 21:32:10 +00:00
476398c50d
[ipsec-qtaguid] Tag sockets upon creation of encap sockets
Added calls to tag encap sockets to that of the UID for which the encap
socket is being created on behalf of. This ensures that all data
accounting generated for the UDP-encap-ESP socket is correctly billed to
the right UID.

Bug: 62994731
Test: New tests added to IpSecServiceTest.java, passing
Change-Id: I15365ea9c982fd7b4e3cdeff314ddfba2289c86e

Benedict Wong   commited 2017-12-18 19:46:06 +00:00
083faee14a
[CHERRY-PICK] API for apps to tag sockets with their own UID.
This enables app A to create a socket, pass it to app B, and have
app B accept blame for the traffic performed on that socket.

Also adds helpful public APIs for tagging raw FileDescriptor sockets
instead of making developers go through shady SocketImpl wrappers.

Test: cts-tradefed run commandAndExit cts-dev -m CtsAppSecurityHostTestCases -t android.appsecurity.cts.AppSecurityTests#testAppFailAccessPrivateData
Bug: 63932076
Change-Id: I08925c843974675fc82e4080cec2eaab9ab7cd41
Merged-In: I08925c843974675fc82e4080cec2eaab9ab7cd41
(cherry picked from commit 4e164f9e94)

Jeff Sharkey   authored and   Benedict Wong   commited 2017-12-18 19:44:40 +00:00
1fb74318cf
Merge "Use consistent naming for allocating SPI."
nharold   authored and   Gerrit Code Review   commited 2017-12-14 21:10:16 +00:00
816f0ebaab
Merge "Convert IpSecService resources to use refcounting"
Benedict Wong   authored and   Gerrit Code Review   commited 2017-12-14 01:45:15 +00:00
670db0329b
Convert IpSecService resources to use refcounting
This is part 2 of 2 of the refcounting refactor for IpSecService
resources.

Switched ManagedResources to use RefcountedResource structure for
managing reference counts and eventual cleanup. Further, resource arrays
and quota management have been aggregated into a UserRecord for better
isolation. UID access checking has been similarly moved into the
UserRecordTracker, and resourceId checking has been rolled into
RefcountedResourceArray's accessor methods.

Bug: 63409385
Test: CTS, all unit tests run on aosp_marlin-eng, new tests added
Change-Id: Iee52dd1c9d2583bb6bfaf65be87569e9d50a5b63

Benedict Wong   commited 2017-12-13 23:28:41 +00:00
6855aeeea2
Merge "Add reference counted resources to IpSecService"
Benedict Wong   authored and   Gerrit Code Review   commited 2017-12-13 21:33:38 +00:00
20f80d2083
Add reference counted resources to IpSecService
This patch adds (but does not enable the usage of) RefcountedResource
objects to IpSecService, with tests to ensure correct function. This is
patch 1 of a series of patches to refactor the resource management
systems in IpSecService.

RefcountedResource objects allow for management of acyclical dependency
trees, ensuring eventual cleanup when resources are no longer used. This
cleanup may be triggered by binder death or by explicit user action.

Bug: 63409385
Test: New tests written in IpSecServiceRefcountedResourceTest,
explicitly testing the RefcountedResource class

Change-Id: Ib5be7482b2ef5f1c8dec9be68f15e90d8b3aba6d

Benedict Wong   commited 2017-12-12 23:40:52 -08:00
023468286a
Use consistent naming for allocating SPI.
Throughout the IPsec code (API, system server, netd) we use "reserve"
SPI and "allocate" SPI interchangeably. This renames to use "allocate"
everywhere for self-consistency and consistency with the kernel
(ALLOCSPI).

In javadoc, I am leaving the word "reserve" in several places because it
is still an accurate description of how the method behaves.

Bug: 69128142
Test: TreeHugger should be enough
Change-Id: I8ea603b4612303b0393beef04032671fa53d2106

Jonathan Basseri   authored and   Nathan Harold   commited 2017-12-12 13:50:35 -08:00
20e96c55d5
Merge "DO NOT MERGE: Merge Oreo MR1 into master"
Xin Li   authored and   Gerrit Code Review   commited 2017-12-06 23:18:26 +00:00
b5b6726458
Merge "Validate IpSecAlgorithm Length"
am: 68b81299d2

Change-Id: I23f7612c119e67f9a1647568aeefde38a365f8da

nharold   authored and   android-build-merger   commited 2017-12-05 02:28:10 +00:00
f0dd03e114
Validate IpSecAlgorithm Length
Improve the Validation of IpSecAlgorithm by
explicitly checking the length in addition to
the truncation length (previously an oversight).
In addition, we now check the lengths during
un-parceling, which will catch someone maliciously
manually building a parcel and passing it, bypassing
the checks in the constructor.

Bug: 68780091
Test: runtest -x IpSecAlgorithmTest.java
Change-Id: I8172762617264d34f47d5144336464510f07a701

Nathan Harold   commited 2017-12-04 15:12:14 -08:00
eb1d489332
Merge "Javadoc cleanup of IpSecManager API."
am: d09d106ec0

Change-Id: Iaf206b0980d3bed14fe6b8318d2073577212b460

Jonathan Basseri   authored and   android-build-merger   commited 2017-11-22 01:51:46 +00:00
f96bfee165
Javadoc cleanup of IpSecManager API.
This changes only comments and annotations, which results
in minor API changes.

Bug: 63777932
Test: `make update-api` and visually inspect generated HTML.
Change-Id: I7a7a9244eade6cc55aca17a47e0a838cd6f84cc9

Jonathan Basseri   commited 2017-11-20 10:49:59 -08:00
2725a233c9
Merge commit '98e12851336b7db16e583f9afac63ecc97465980' from
oc-mr1-dev-plus-aosp-without-vendor into stage-aosp-master.

Change-Id: Ia7b8da4a00d215160e4a4fa40f6044208d1297b7
Merged-In: I19846d2a3ee27aecbae2367a74ee49082eea154d

Xin Li   commited 2017-11-14 12:31:11 -08:00
47beb1e8a3
Merge "Fix signature for finalize() to resolve API Lint error"
nharold   authored and   Gerrit Code Review   commited 2017-11-08 17:56:43 +00:00
28dc8a29a1
Merge "Update documentation for AES-GCM-ESP keymat length"
Benedict Wong   authored and   Gerrit Code Review   commited 2017-11-08 17:47:40 +00:00
f27dc03921
Fix signature for finalize() to resolve API Lint error
The API linter on goog/master noticed that this method is
listed in the public API even though it's protected. The
change is probably related to a signature change from the
internal finalize method which throws a Throwable. Fix the
method in IpSecManager to throw Throwable, which should
fix the current.txt and resolve the lint error.

Bug: 69006767
Test: compilation, make update-api
Change-Id: I173d014baaa505c365b7916fcb52f2a8b4af9373

Nathan Harold   commited 2017-11-07 17:46:12 -08:00
2a30daf3f7
Update documentation for AES-GCM-ESP keymat length
Added notes that keymat length must include 32 bits of salt.

Bug: 68672051
Test: Frameworks-net unit tests & IpSecManager CTS tests run
Change-Id: I0ae0c5be8a45b2374783b3bd1fa8bf930f15e687

Benedict Wong   commited 2017-11-07 17:39:35 -08:00
01b1ab4034
Define NOT_ROAMING network capability.
The "roaming" state of a network really belongs on NetworkCapabilities
instead of being published through NetworkInfo.isRoaming().  One major
reason is to support developers creating NetworkRequests for a
non-roaming network.

Watch for any capability changes that network statistics are
interested in (either metered or roaming) and notify it to perform
an update pass; fixes bug where we previously only triggered on
roaming changes.

Fix bug in VPNs where metered/roaming capabilities of underlying
networks weren't being propagated; this was probably preventing
some jobs from running over unmetered networks, and causing other
jobs to run over roaming networks!  Also passes along link bandwidth
information from underlying networks, and propegates any changes
to underlying networks.

Fix race condition by reading prevNc inside lock.  Utility methods
correctly calculate min/max link bandwidth values.

Test: bit FrameworksNetTests:android.net.,com.android.server.net.,com.android.server.connectivity.,com.android.server.ConnectivityServiceTest
Bug: 68397798, 16207332
Change-Id: I3e1a6544c902bf3a79356b72d3616af1fd2b0f49

Jeff Sharkey   commited 2017-11-01 19:05:42 -06:00
7c19a1abd6
Fixed NullPointerException in IpSecService-Netd binder layer
Replaced null with empty byte array in createTransportModeTransform
for null auth.getKey, crypt.getKey() and authCrypt.getKey()

Test: Ran CTS test
Bug: 68052730
Change-Id: I5110b1297b4bfbb5766e8ecfd3d64f8110b52945

Manoj Boopathi Raj   authored and   manojboopathi   commited 2017-10-26 13:10:22 -07:00
8c302f08a9
Merge "Return a port from bindToPort() in IpSecService"
am: 1ce430a022

Change-Id: I51705d5db6af560f2423ef7861bfde6734632ec9

Benedict Wong   authored and   android-build-merger   commited 2017-10-24 16:44:59 +00:00
da8815017b
Merge "Return a port from bindToPort() in IpSecService"
Benedict Wong   authored and   Gerrit Code Review   commited 2017-10-24 16:31:21 +00:00
1ce430a022
Merge "Add support for AES-GCM-ESP as an IPSec algorithm"
am: b6df7f0d35

Change-Id: Ic099206a28c4f21fa796969c953a8d4e81e8495b

Benedict Wong   authored and   android-build-merger   commited 2017-10-19 17:14:53 +00:00
cb2c14fc55
Return a port from bindToPort() in IpSecService
When binding to a random port, the port number was not being
returned, so the user is incorrectly receiving a port of zero.
Return the port number that was ultimately bound.

Bug: 67662580
Test: Ran CTS test on aosp_angler-eng
Change-Id: I22f4e5cdc83d43dc453788889990feb34e451bd3

Benedict Wong   commited 2017-10-18 11:43:43 -07:00
c423cc8311
Add support for AES-GCM-ESP as an IPSec algorithm
Allows native AES-GCM-ESP to be used as an IPSec transport/tunnel mode
algorithm with kernel support

Bug: 63589918
Test: IPsecService tests added, existing ones pass
Change-Id: Ie1a9a902be205f269aa37bf956198f2e5b177c21

Benedict Wong   commited 2017-10-18 11:22:24 -07:00
53d60a2d24