Commit Graph

600 Commits

Author SHA1 Message Date
Wiktor Garbacz
4289b64aa7 Disallow clone3, unsafe clone and unshare flags
Ability to create new namespaces and getting capabilities in there exposes a big kernel attack surface.

PiperOrigin-RevId: 564703131
Change-Id: I3dcf4c78dca9f51a4b068df16e1b1a69916d727c
2023-09-12 06:30:45 -07:00
Wiktor Garbacz
77f62ccb1f Remove unused NetworkProxyClient::ConnectHandler
PiperOrigin-RevId: 563750900
Change-Id: Ib848aab0520032dbdcc879cb11861b133e26c4c6
2023-09-08 07:51:13 -07:00
Wiktor Garbacz
f614862e07 Remove deprecated VecStringToCharPtrArr
PiperOrigin-RevId: 563374332
Change-Id: I6873ca0d45fd5de6ad8eab1cbc395032130e9697
2023-09-07 03:09:30 -07:00
Wiktor Garbacz
b350a41a10 Gather more coverage data
Switch to ForkWithFlags for InitProcess (it will not reset coverage).
Explicitly dump coverage after initial namespace setup.
Return instead of exiting from libunwind sandbox.

PiperOrigin-RevId: 563368599
Change-Id: I3b764db015a71bd091ee7b4b5b614281cbb84832
2023-09-07 02:43:04 -07:00
Wiktor Garbacz
f6ec787902 PtraceMonitor: Add a hard deadline for waiting for kill to take effect
PiperOrigin-RevId: 563064233
Change-Id: Id340ba3793b82737f1976638a57df513c3d4136c
2023-09-06 04:38:51 -07:00
Wiktor Garbacz
98d7f91b4d Run more tests with sanitizers and coverage
PiperOrigin-RevId: 562768789
Change-Id: I2ee9e05a75a1f4e46887ef4c6587628f36ba16eb
2023-09-05 07:14:49 -07:00
Wiktor Garbacz
92aeadddee PolicyBuilder: test error conditions for AddPolicyOnSyscalls
PiperOrigin-RevId: 562768777
Change-Id: If756f83ea657cc6cd4c1283339a2909071a47493
2023-09-05 07:13:56 -07:00
Wiktor Garbacz
02d770adcc NetworkProxyTest: test more error conditions
PiperOrigin-RevId: 562708702
Change-Id: Ifedcb0eb2bc84396627a0b53828e1e10e4c562ad
2023-09-05 02:17:25 -07:00
Wiktor Garbacz
b088c01ab2 Add missing Aarch64 syscall entries
PiperOrigin-RevId: 562705740
Change-Id: Ie75c13b4b1669cc7bcd45baa51119c633e120993
2023-09-05 02:03:36 -07:00
Wiktor Garbacz
5f9698612e Better network proxy tests
Fix sending error on `connect` failure.

PiperOrigin-RevId: 562693682
Change-Id: I70c710a9001f22e172cbe4df328983bfa7188d3d
2023-09-05 00:57:27 -07:00
Wiktor Garbacz
3ea315858d Remove mutexes from Comms
It was never fully thread-safe.
e.g. calling SendProtoBuf concurrently from 2 threads
could result in a data race.
Also not all users need the thread-safety thus it's better left off to be done externally by the ones that require it.

PiperOrigin-RevId: 562548941
Change-Id: Ie32dfca366be9e0c32841e55b688907f4f5f7704
2023-09-04 07:00:57 -07:00
Wiktor Garbacz
197f03aa5b Adjust code so that variable name is correct
PiperOrigin-RevId: 562509424
Change-Id: I33bf50c2cdce0fbd38d669d76da95b448f1841e4
2023-09-04 03:13:42 -07:00
Jaeden Quintana
e23acfd7e7 Made slight optimizations in Sandbox2's comms.
The optimizations are:
* Reduced the number of calls to `write` (originating from `SendTLV()`) from 3 to 1-2 (depending on size of the payload).
* Reduced the number of calls to `read()` (originating from `RecvTLV()`) from 3 to 2.

PiperOrigin-RevId: 561750509
Change-Id: I81bc092edf602e12c85ee97bd2e77b587b750d65
2023-08-31 13:50:26 -07:00
Wiktor Garbacz
2c9ac02b68 Rework network_proxy related tests/examples
PiperOrigin-RevId: 561632543
Change-Id: I85843cc1cac8348273a5593339b38ae08e07592c
2023-08-31 06:06:09 -07:00
Sandboxed API Team
a0eb8d4445 Increase limits in ElfParser
PiperOrigin-RevId: 561621211
Change-Id: I3bbe8aecd3e3044251b67145927ee3a04bc56532
2023-08-31 05:01:51 -07:00
Wiktor Garbacz
dc25251af9 Enable sandboxed stack traces for coverage
PiperOrigin-RevId: 561611676
Change-Id: I852eec8fc3728da1ae0b4bca8ccc9a628b8b5adc
2023-08-31 04:05:49 -07:00
Wiktor Garbacz
f715bd8ba9 Run more tests with coverage enabled
PiperOrigin-RevId: 561575508
Change-Id: Ifc9a678b6a6cbcd892a1f8710b941514eb1d9764
2023-08-31 00:44:23 -07:00
Wiktor Garbacz
47c868e6b1 Merge block bpf/ptrace tests
PiperOrigin-RevId: 561338563
Change-Id: If2704835c75ca0ae367375212c2104289e7b5cb0
2023-08-30 07:47:15 -07:00
Wiktor Garbacz
5802d5b681 Refactor Forkserver::LaunchChild
PiperOrigin-RevId: 561331391
Change-Id: Ia96187ac1aff25a729c92dfc937f48cc0ae64342
2023-08-30 07:12:30 -07:00
Wiktor Garbacz
09a48bac06 Reduce CHECK-failures in unotify monitor
This also fixes a CHECK-failure in Join() when waiting for sandboxee
times out.

PiperOrigin-RevId: 561282248
Change-Id: I5568c3b9e6b8dce531167c267f7896996326d2e2
2023-08-30 02:56:16 -07:00
Wiktor Garbacz
4a6b0d4633 Always override forkservers comms_fd in sandboxee
PiperOrigin-RevId: 561276110
Change-Id: I8bd1ce7e2f363b5e371a431b1e6db6534023e401
2023-08-30 02:20:56 -07:00
Wiktor Garbacz
0150026d38 Make PolicyBuilder helpers more self-contained
PiperOrigin-RevId: 561032912
Change-Id: I74db0c33609eb74df144db8d1d844b7267bf8ce4
2023-08-29 08:12:19 -07:00
Wiktor Garbacz
37f00991b9 Final round of IWYU fixes for Sandbox2
PiperOrigin-RevId: 560077736
Change-Id: Id810db20b0042b8cd4f8f7a352b2cc571de51b71
2023-08-25 06:50:29 -07:00
Wiktor Garbacz
c175ac2c20 Fix missing dep for users of SANDBOX2_TRACE
PiperOrigin-RevId: 560004680
Change-Id: I7e9b86939ab1df2e2a400887ee53c8b9110e341c
2023-08-25 00:34:20 -07:00
Wiktor Garbacz
edde724ab9 Internal change
PiperOrigin-RevId: 559996678
Change-Id: I25a18212dc2ab15dd106cffea6132bea4a3b842d
2023-08-24 23:55:35 -07:00
Wiktor Garbacz
8254d13faf Reenable the stack_trace_test
It was fixed internally and https://github.com/libunwind/libunwind/pull/602 should make it better for OSS.

PiperOrigin-RevId: 559772982
Change-Id: Ifcbf824d37cb4988dc56db20a8bbaaaf52a2cb81
2023-08-24 09:11:56 -07:00
Wiktor Garbacz
127176d72f Bulk IWYU and build_cleaner fixes
PiperOrigin-RevId: 559733768
Change-Id: Ia38f4c176e9f0abbfdb3a8f1109f482d8870eb0f
2023-08-24 06:23:36 -07:00
Wiktor Garbacz
38e5be910e Temporarily disable a non-sandboxed crash stack_trace_test
This might fail under some versions of libunwind.

PiperOrigin-RevId: 559728630
Change-Id: I12bad6ec68a52164f79c8bf9a7b349fcd1a462e9
2023-08-24 05:59:50 -07:00
Wiktor Garbacz
6986af58bb IWYU fixes
PiperOrigin-RevId: 559444773
Change-Id: If92cdc4f978a22bfdbd61b0c9e0b43ea272bca8d
2023-08-23 09:04:00 -07:00
Wiktor Garbacz
696d0eed11 Add IWYU pragma
PiperOrigin-RevId: 559415055
Change-Id: I8bbcc6b1e0b422ce46a63d2a9a429edd3402c51e
2023-08-23 07:14:21 -07:00
Wiktor Garbacz
9dcc9db919 Replace StrError with PLOG
PiperOrigin-RevId: 559380593
Change-Id: Ia7d2bcb3908b5e739ac5c4aaec1559fb6f86f383
2023-08-23 04:09:02 -07:00
Sandboxed API Team
41003aae83 Automated rollback of commit 1e26cd50dc.
PiperOrigin-RevId: 559102360
Change-Id: I5dd175d5f0b9ece602f5c26454ad1f1e2e3a60fc
2023-08-22 07:12:09 -07:00
Wiktor Garbacz
c4660f8a6e Provide sealing flags if not defined in the headers
Also adjust naming of MFD_ constants

PiperOrigin-RevId: 559091482
Change-Id: I74271aee443a6d174950fd258bd238587cb4c75e
2023-08-22 06:21:25 -07:00
Wiktor Garbacz
e75be07bb0 Automated rollback of commit 9c21744460.
PiperOrigin-RevId: 559063479
Change-Id: I4ccf8d5717b8669921c5b580eb415975cd625eaf
2023-08-22 03:59:49 -07:00
Wiktor Garbacz
8a6b689c29 Cleanup includes
PiperOrigin-RevId: 559053598
Change-Id: Ie28d6db5505ed6ed14181fca9224390d883c20de
2023-08-22 03:04:38 -07:00
Wiktor Garbacz
1e26cd50dc Always override forkservers comms_fd in sandboxee
PiperOrigin-RevId: 558721787
Change-Id: I331efd38b0571877b53cdc14190bae0ed639ce3f
2023-08-21 02:15:52 -07:00
Wiktor Garbacz
56d11ae733 Client::PrepareEnvironment simplify by supporting just a single preserved fd
PiperOrigin-RevId: 558133382
Change-Id: I043985fcf331761b424ce720791711e5ea1f4fb9
2023-08-18 06:52:45 -07:00
Wiktor Garbacz
1e9b686c4f Make Comms movable
PiperOrigin-RevId: 558110484
Change-Id: I87fec43c0157e16ba683c498d8b50b3655efac17
2023-08-18 04:41:30 -07:00
Wiktor Garbacz
08b81b52e0 Internal change
PiperOrigin-RevId: 558105430
Change-Id: I6b0c1c3a389b8b22c50fe3b2e753aba9a3e804ab
2023-08-18 04:10:42 -07:00
Wiktor Garbacz
bf9fe79dbe Introduce a SAPI_RAW_VLOG_IS_ON just for raw_logging
PiperOrigin-RevId: 558094899
Change-Id: I9da55eb55af22eafc74a81999dc920dbab98a1a3
2023-08-18 03:12:36 -07:00
Wiktor Garbacz
ff23e878d3 Prefer regular logging to raw_logging
PiperOrigin-RevId: 558089528
Change-Id: Id3fb3ec16d25c5df859c305e1b0db00b54212958
2023-08-18 02:43:27 -07:00
Wiktor Garbacz
b258535161 Treat libunwind sandbox as a ~regular sandboxee
This removes dependency on unwind from forkserver,
which should reduce binary size for all the custom forkservers (also the SAPI generated ones).
Unwind was only ever used by the global forkserver anyhow

PiperOrigin-RevId: 557921074
Change-Id: Iea4904da0506fee5a00f970538f512cba7b02326
2023-08-17 13:32:44 -07:00
Wiktor Garbacz
77fbfa7f5f forkserver: use eventfd instead pipe for initial namespace creation
PiperOrigin-RevId: 557764601
Change-Id: I146c67bc6d4ba68f17c2117b1ca4d6bc71d30ffa
2023-08-17 03:02:19 -07:00
Wiktor Garbacz
5d13550877 Allow set_robust_list for TSAN
It might spawn a thread which will likely invoke that syscall.

PiperOrigin-RevId: 557762639
Change-Id: I26a7a79253338bbe83d22d1680256e5cdb914762
2023-08-17 02:52:53 -07:00
Wiktor Garbacz
0a0bf05dc3 Readd VLOGs removed by mistake
PiperOrigin-RevId: 557739843
Change-Id: I21497028fc26388fec8a45ee1bfa2f11cf9022d2
2023-08-17 01:13:21 -07:00
Sandboxed API Team
7d78b89777 Fix typo.
PiperOrigin-RevId: 557598808
Change-Id: I02ac71ca025be9a5e45011b1bbeb07a144b2e632
2023-08-16 14:13:42 -07:00
Sandboxed API Team
034f24001e In Sandbox2 IPC class, add a MapDupedFd() function to allow application to retain ownership of the local_fd.
PiperOrigin-RevId: 557539211
Change-Id: Ib74a305333bc51a261c766052284e9fa68115e9d
2023-08-16 10:58:55 -07:00
Wiktor Garbacz
abd3faf51b monitor_unotify: Use eventfd instead of pipe for notifications
PiperOrigin-RevId: 557479262
Change-Id: Ie03e4e8915950999ff0b47e8b08c50241e53a600
2023-08-16 07:29:11 -07:00
Wiktor Garbacz
7a57d32711 forkserver: Remove waitpid flag
It was superseded by sandboxee rusage when using unotify monitor

PiperOrigin-RevId: 557396642
Change-Id: I41f84149227f62d4b7727030f9359834a9b61dbc
2023-08-16 01:33:12 -07:00
Wiktor Garbacz
1c2596785b Clearer logs on execveat failures
Drive-by: remove redundant log prefix (PLOG prepends filename and line)
PiperOrigin-RevId: 557367980
Change-Id: Id7cc945969e0ae06a451ca3dd0f3e288402b9136
2023-08-15 23:30:44 -07:00