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572 Commits

Author SHA1 Message Date
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
Wiktor Garbacz
8b70461db4 Automated rollback of commit a946cedc95. 
PiperOrigin-RevId: 555902433
Change-Id: I93efb401e64b90ba114911b87ed680456037d248
 2023-08-11 04:54:59 -07:00
Wiktor Garbacz
a946cedc95 PtraceMonitor: Add a hard deadline for waiting for kill to take effect 
PiperOrigin-RevId: 555854230
Change-Id: If323725e5112344105627844910356dd14c9ad31
 2023-08-11 02:01:10 -07:00
Wiktor Garbacz
01e14e0bb7 Fix bypass for enabling ptrace/bpf 
PiperOrigin-RevId: 555847265
Change-Id: I671c0650caeefaac590d3d0030ff90e18fda6bbd
 2023-08-11 01:34:27 -07:00
Wiktor Garbacz
3079d2b4e0 Make Policy a simple copyable type 
PiperOrigin-RevId: 555146979
Change-Id: I83d7260d65d4291c418e6c8e80385cbdc8fbc758
 2023-08-09 06:44:22 -07:00
Wiktor Garbacz
c14312c3a2 Kill on each iteration of graceful exit loop 
I believe it's possible for the `main_pid` to disappear between `kill` and `sigtimedwait` by means of an `exec` from a multithreaded process (`PTRACE_EVENT_EXIT` happens after the `exec`ing thread changes its tid to main_pid)

PiperOrigin-RevId: 555137959
Change-Id: Id22908fb31497c0906e4f4fda66400fbf9ac9efb
 2023-08-09 06:00:19 -07:00
Wiktor Garbacz
48bbb06fe7 Move log warning about non-namespaced stacktraces 
PiperOrigin-RevId: 554493643
Change-Id: I27755322edcd7c0191cd125ec8ffdace18a6460c
 2023-08-07 09:07:06 -07:00
Wiktor Garbacz
4890c86cec Mark GetNamespaceDescription const 
PiperOrigin-RevId: 554460753
Change-Id: I3304fb7d19f93750b1d74aeb1b8213af2f0fea85
 2023-08-07 06:48:11 -07:00
Wiktor Garbacz
dd664400d7 More verbose logging on graceful exit timeout 
PiperOrigin-RevId: 554382651
Change-Id: I7205fed9285b2aaff93860782d65d3dc829bb5f9
 2023-08-07 00:28:10 -07:00
Sandboxed API Team
0a0ac6a66b Automated rollback of commit 4d625e521b. 
PiperOrigin-RevId: 553536999
Change-Id: If6ae319e54a3ea5eb88e00888044ba1088bd62d2
 2023-08-03 11:23:05 -07:00
Wiktor Garbacz
7722c07d0c Mark Mounts::RecursivelyListMounts() const 
PiperOrigin-RevId: 553472906
Change-Id: Ia222751fd4b978dece6ef12c6677db8f3092ac1b
 2023-08-03 07:40:16 -07:00
Wiktor Garbacz
4d625e521b Move log warning about non-namespaced stacktraces 
PiperOrigin-RevId: 553472372
Change-Id: Iba43cba78edd1826afb29f49a7e08e919554ed80
 2023-08-03 07:37:54 -07:00
Wiktor Garbacz
3f9e9a2b25 Make Namespace copyable, movable and copy/move assignable 
There is no strong reason why this shouln't be the case.
Some future refactorings will depend on this.

PiperOrigin-RevId: 553456024
Change-Id: I452a2804c59ed006326ab37cbe0dec80f53cd714
 2023-08-03 06:21:13 -07:00
Wiktor Garbacz
29b7b49325 Use return value directly instead of SAPI_ASSIGN_OR_RETURN dance 
PiperOrigin-RevId: 553449209
Change-Id: Id344bc84a42edfaf92b95dc8cf92582001183494
 2023-08-03 05:45:58 -07:00
Wiktor Garbacz
fc8a2340c7 Rename GetCloneFlags 
PiperOrigin-RevId: 553448623
Change-Id: Ia49b16dd4b8795ba95bab8a8ea0c7ffc50bba628
 2023-08-03 05:42:29 -07:00
Wiktor Garbacz
8fbe21ce0e Really give priority to main_pid 
Do process all events as soon one for priority_pid arrives.

PiperOrigin-RevId: 553156575
Change-Id: I57a9b4ca54a0e0fe5f01245b130f53ef3f8678fc
 2023-08-02 08:42:51 -07:00
Wiktor Garbacz
3bbb98c494 Better error when calling RunAsync on a Sandbox2 instance twice 
PiperOrigin-RevId: 553129224
Change-Id: I92ff15d111ccd5e7d4310a2e1559811dd1cc7027
 2023-08-02 06:44:21 -07:00
Oliver Kunz
eaa175c8d2 Sandbox2: Remove file sealing for in-memory files. 
The `CreateMemFd` function sets the `MFD_ALLOW_SEALING` flag which enables seals to be set and creating an empty file seal.

PiperOrigin-RevId: 550850108
Change-Id: I1a84b7b14cc9396144048bbeb8995f2f7eca9fb7
 2023-07-25 05:04:52 -07:00
Oliver Kunz
04ed89906b Adding AllowOpen to AllowLlvmSanitizers to avoid having to add AllowOpen in addition when it's only needed for running under the sanitizers. 
In cases where SAPI users overwrite the default policy instead of extending it, the sandbox will fail with an `openat` violation. This is automatically inherited in the default policy.

The advantage with this implementation is that we don't expose the open* syscalls when not running under the sanitizers.

PiperOrigin-RevId: 550845188
Change-Id: I151d467848983b00b71ec8447d662394fa7176db
 2023-07-25 04:38:43 -07:00
Wiktor Garbacz
9d1d4b7fd3 Disallow AddPolicyForSyscalls with an empty list 
PiperOrigin-RevId: 549887306
Change-Id: I05a97b39a2c92ad5ab2002c7af7e83a8184392cf
 2023-07-21 02:24:44 -07:00
Wiktor Garbacz
e86462db77 Remove redundant buffer test 
It tested Comms rather than different Buffer functionality.

PiperOrigin-RevId: 549880115
Change-Id: I095464540fa21cc4b3bee1d87e1e046807b6f18c
 2023-07-21 01:53:54 -07:00
Wiktor Garbacz
25f27ef935 Allow replacing a read-only node with writable for same target 
PiperOrigin-RevId: 548942347
Change-Id: I4b22740ca27772831afcddb69d515c84aca04c51
 2023-07-18 02:45:13 -07:00
Chris Kennelly
4ba75ea0a2 Allow TCMalloc users access to the possible cpus list. 
This is to facilitate online/offline core counting for an accurate count of the
maximum CPU ID that may be seen.

PiperOrigin-RevId: 548715133
Change-Id: I159c0d51b9800fa633172986ba4f8eca352ae336
 2023-07-17 09:31:22 -07:00
Wiktor Garbacz
f0e85cea13 Introduce AddFile(At)IfNamespaced/AddDirectory(At)IfNamespaced 
Use the new interface in AllowRestartableSequences.

PiperOrigin-RevId: 548619728
Change-Id: I1f8aeb9a1cb412c50391d65a3cd148f77b46bd6f
 2023-07-17 01:58:46 -07:00
Sandboxed API Team
39026f7678 Internal Code Change 
PiperOrigin-RevId: 548043988
Change-Id: Iba4a828eeb53205f28dae85fc179cee21b104632
 2023-07-14 00:30:56 -07:00
Christian Blichmann
64ac98bf4d Sandbox2: Remove commented out include 
PiperOrigin-RevId: 542784635
Change-Id: Ie763ff5606e2241b2a5e3f89d57ed8d3e1c1ee63
 2023-06-23 00:46:59 -07:00
Oliver Kunz
0463298780 Sandbox2: Improve logging of syscall information. 
- If --sandbox2_danger_danger_permit_all_and_log is set, we write to a logfile (passed via the flag).

- If --sandbox2_danger_danger_permit_all is set, we do not write any log information.

This change introduces a means to also see the syscall information on stderr by passing --v=1 and --alsologtostderr.

PiperOrigin-RevId: 542232271
Change-Id: Ie4d30f0d8e25bb1de7c60bb37736b27b89406336
 2023-06-21 06:11:57 -07:00
Sandboxed API Team
cf43c0f02c Allow prctl(PR_SET_VMA, PR_SET_VMA_ANON_NAME, ...) with tcmalloc 
PiperOrigin-RevId: 540905937
Change-Id: I9275b193ff42b4741925c3cf825841ca9a4071db
 2023-06-16 09:34:07 -07:00
Kevin Hamacher
93c1423b15 sandbox2: Provide sandboxee rusage when using unotify monitor 
PiperOrigin-RevId: 540841898
Change-Id: Icc635e107c138ac67e2b948eadbbcb4234f6c7f8
 2023-06-16 04:37:18 -07:00