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144 Commits

Author SHA1 Message Date
bielec
5a4e3f3d29 Now network proxy server supports IP filtering. API to policybuilder is added to make a list of allowed pairs of allowed IP, mask and port where mask and port are optional. 
PiperOrigin-RevId: 296206385
Change-Id: I53b23122abece1fe318ed4c6a7e37bf3228c8f5f
 2020-02-20 07:45:44 -08:00
Christian Blichmann
5d81c822d8 Automated rollback of commit e56f562fe2. 
PiperOrigin-RevId: 296178631
Change-Id: I0f871aeecd70e9d2f99c7d52d94c6043a1668325
 2020-02-20 04:26:37 -08:00
Maciej Szawłowski
fc514451e0 Internal BUILD changes 
PiperOrigin-RevId: 296174640
Change-Id: I94c8e36d76d6cbb2b9d65f35d8700018b62d3db1
 2020-02-20 04:26:23 -08:00
Sandboxed API Team
e56f562fe2 Automated rollback of commit 4eede550e7. 
PiperOrigin-RevId: 295946052
Change-Id: Ie8c23fe8eec99ab52245ae7f482f1e6b99ec010e
 2020-02-19 05:19:15 -08:00
Christian Blichmann
4eede550e7 Prepare for upcoming changes in Abseil 
- Move canonical errors into status.

PiperOrigin-RevId: 295941935
Change-Id: I9408d21b6d34239b0ef3f3cd24975f39f1405505
 2020-02-19 04:43:29 -08:00
Wiktor Garbacz
5b1119aa6d Internal change 
PiperOrigin-RevId: 295579669
Change-Id: I2488a87a78cf76f0d4ddf73d115e443bd801e420
 2020-02-17 06:54:52 -08:00
Sandboxed API Team
05280287e0 Automated rollback of commit 800339d672. 
PiperOrigin-RevId: 294644781
Change-Id: I88ad35abd96468476294039a41b6f2a8234db6ca
 2020-02-17 10:39:08 +01:00
bielec
800339d672 Now network proxy server supports IP filtering. API to policybuilder is added to make a list of allowed pairs of allowed IP, mask and port where mask and port are optional. 
PiperOrigin-RevId: 294640297
Change-Id: I4c6520685a658f8b7762af238588830f71b3f54a
 2020-02-17 10:38:44 +01:00
Wiktor Garbacz
f1ce6fcb87 Internal change 
PiperOrigin-RevId: 292529030
Change-Id: Ie6b315d9edd5f253386474be4afff1a59e24a91e
 2020-01-31 05:39:25 -08:00
Sandboxed API Team
daa1c7a64e Allow sandboxee to read from /proc when sanitizers are allowed. 
Sanitizers read from /proc. For example:
69445f095c/lib/sanitizer_common/sanitizer_linux.cpp (L1101)

PiperOrigin-RevId: 292363903
Change-Id: Icc383ededcad363b4e96f5551f140f012b07b495
 2020-01-30 09:30:42 -08:00
Sandboxed API Team
b9c866410d Replace deprecated thread annotations macros. 
PiperOrigin-RevId: 292326427
Change-Id: Iebd745bf0c6b0b14e090462a9df44ebd7d374c7d
 2020-01-30 05:07:40 -08:00
Wiktor Garbacz
539d1cac34 Replace if (!cond) { LOG(FATAL, msg) } with CHECK(cond, msg) 
PiperOrigin-RevId: 291916344
Change-Id: Ib522a3f202b20bf8f1ab4ca5774952d4b8f43e91
 2020-01-28 05:59:33 -08:00
Wiktor Garbacz
d88c9f7598 Log mount flags in human readable format 
PiperOrigin-RevId: 291690800
Change-Id: I6c4acdad93aeed29616d1ea44f797dad6fc7f277
 2020-01-27 03:19:56 -08:00
Wiktor Garbacz
d74215d30d Properly test read-only mounts 
PiperOrigin-RevId: 291337704
Change-Id: I806d0d09051ab205813d6626ea70e9e57a28a7a5
 2020-01-24 02:38:11 -08:00
Wiktor Garbacz
e3d638466d Internal change 
PiperOrigin-RevId: 290621061
Change-Id: I4b575ac65a9c225453552db74416eed45f1f4ebd
 2020-01-20 08:35:24 -08:00
Wiktor Garbacz
bd22a18f87 Internal change 
PiperOrigin-RevId: 290586117
Change-Id: I637ca27121ef541d48a717903496cab256214a0a
 2020-01-20 02:55:04 -08:00
Christian Blichmann
441201884a Update license header with recommended best practices 
PiperOrigin-RevId: 290250533
Change-Id: Ic34b253446463cf971a055b70a242df93a598ee3
 2020-01-17 05:05:29 -08:00
Wiktor Garbacz
96d9ce90e5 Properly set mount flags 
PiperOrigin-RevId: 290052082
Change-Id: I35222d25a24c3d641a998b2734b90bd178759df6
 2020-01-16 06:05:11 -08:00
Wiktor Garbacz
c2bd47e978 Change mount propagation to private 
PiperOrigin-RevId: 289639932
Change-Id: Iac976134d5f43dcdfe895446d7caab463cc70d1a
 2020-01-14 06:32:23 -08:00
Christian Blichmann
18776b6f16 Refactor syscall definitions to rely less on macros 
PiperOrigin-RevId: 288478535
Change-Id: I56bf8b8817f31d60db4726b2847f8400215b7b8c
 2020-01-07 05:27:21 -08:00
Sandboxed API Team
3e442b252c Allow stack trace collection when namespaces are disabled, if sandbox_libunwind_crash_handler==false. 
PiperOrigin-RevId: 288267119
Change-Id: I5fce1b28521d3d685186717f153f20fb498c94e2
 2020-01-06 02:34:03 -08:00
Sandboxed API Team
aea1ecd58d Improve diagnostics when dynamically linked binary is sandboxed, but can't be exec'd. 
PiperOrigin-RevId: 286391400
Change-Id: I016deb34eb895480131da24bc95a6244d92f3710
 2019-12-19 07:48:32 -08:00
Wiktor Garbacz
e969deea33 Global deadline for ptrace attach instead of per process 
PiperOrigin-RevId: 286196033
Change-Id: Ic456b881c18518c4b52ca051fa5c58590794da17
 2019-12-18 08:23:55 -08:00
Wiktor Garbacz
7125458c5d forkserver: Remove order dependent tests 
Sending -1 as fd will fail and take forkserver down.
This should not happen normally so turned it into a check.

PiperOrigin-RevId: 285391908
Change-Id: Idbb05004c36cb0be57be1bd26df1c57cecfb0019
 2019-12-13 06:59:01 -08:00
Sandboxed API Team
4608a7baea Explicitly export files needed by other packages 
PiperOrigin-RevId: 283942197
Change-Id: If1287d2544b2161e3087fb7f5f5395f69a2eb741
 2019-12-05 03:33:32 -08:00
Wiktor Garbacz
ece90e0bda Fix resource leak 
Resulted in a lot of zombie processes.

PiperOrigin-RevId: 283545337
Change-Id: Ia6b2fd24fc6fc0eed4a7aa415e264618739e8234
 2019-12-03 07:59:18 -08:00
Wiktor Garbacz
035965060a Create initial namespaces on demand 
PiperOrigin-RevId: 283321826
Change-Id: I746ce726b834273fd8a8e0de36b311c46e42d57a
 2019-12-02 05:31:42 -08:00
Sandboxed API Team
44443779bc Internal change 
PiperOrigin-RevId: 282945153
Change-Id: I26d4a9d21574fad2751708fe4bb9b38ecdd8131f
 2019-11-28 08:07:00 -08:00
Christian Blichmann
5c38f62ba7 Fix unused warning for IsFdOpen() 
PiperOrigin-RevId: 282346983
Change-Id: I7010caf0e6f3ddb420ef992f6aa2554d540667a3
 2019-11-25 06:44:14 -08:00
Wiktor Garbacz
8a7d0d1cb3 Use a nested userns&mntns to pre-pivot_root 
This addresses a latency issue - chroot_fs_refs called inside pivot_root
in the kernel can take several milliseconds on machines with many threads
running.
This might not always reduce latency for custom forkservers, as additional
fork can be more costly than pivot_root.

PiperOrigin-RevId: 281306284
Change-Id: If503ac76a70e5438e94caf708d79cb0219c66def
 2019-11-19 09:02:28 -08:00
Wiktor Garbacz
1673ade4e4 Remount chroot as read-only 
PiperOrigin-RevId: 280394655
Change-Id: I1490b7dfbbca3d91f5efb4dd5800397c9da57da8
 2019-11-14 03:51:26 -08:00
Wiktor Garbacz
a1b291d44a Fix mount entries listing for tmpfs 
PiperOrigin-RevId: 276447076
Change-Id: Ia5873e34327c281e5c9fb66f5f58a0dd49ba10b0
 2019-10-24 02:37:54 -07:00
Sandboxed API Team
282f2d65e7 Fix a file descriptor leak in sandbox2::Executor. 
PiperOrigin-RevId: 276294193
Change-Id: I9def39a41704db9948735c259e435ccfc71bacc5
 2019-10-23 09:52:07 -07:00
Kevin Hamacher
4da8f68aa8 Rework stacktrace mounttree logic 
The previous one was not quite correct in cases where the outside binary path
did not match the inside path. This should be fixed with this.

PiperOrigin-RevId: 276075886
Change-Id: I1c7c4fa0191960437a2d2360b805c7098b1407c9
 2019-10-22 09:05:33 -07:00
Wiktor Garbacz
a7cfbb92a6 Remove uneeded read-only remount 
Caused failures if root is mounted as nodev, nosuid etc.
Root is pivoted and unmounted right after this anyhow.

PiperOrigin-RevId: 273707731
Change-Id: I75f1edaf2877c096e4f5bb7dc1b2bb8eb5c437a3
 2019-10-09 02:47:38 -07:00
Kristj?n J?nsson
78824353d1 Make PolicyBuilder a value class. 
This makes the class more ergonomic because
* You don't have to heap allocate the builder.
* You can create a policy builder "template" and re-use it across sandboxes to avoid repetitive work.

PiperOrigin-RevId: 273555679
Change-Id: I4084ee9c74f95ebfde873eb0dc021b3b3cdc5ea2
 2019-10-08 10:45:45 -07:00
Sandboxed API Team
9931593fdc Corrects typo in link 
PiperOrigin-RevId: 273248066
Change-Id: I37682d1b82fbe0b0e06d43dfe511da0d6aaa8c5a
 2019-10-07 02:36:35 -07:00
Christian Blichmann
c6b8e301e4 This fixes broken _proto_cc_cc_proto build target suffixes. 
These where inadvertently introduced in an internal cleanup change.

This change also removes a C++17-ism in var_proto.h. To make things easier for
downstream projects, we should stick to C++11 for the time being.

PiperOrigin-RevId: 271117700
Change-Id: I4eaacec88be16e1a561d3f77a61acce0a1af0b9d
 2019-09-25 07:13:58 -07:00
Sandboxed API Team
ce46cb3fef internal BUILD file cleanup. 
PiperOrigin-RevId: 270906748
Change-Id: I6a79c2f84a1d8a9fcb91061caa5f9e538fa83cba
 2019-09-24 08:12:21 -07:00
Kevin Hamacher
1cf9bf8ab6 Internal change 
PiperOrigin-RevId: 270878802
Change-Id: I4c946fdb5f566909eaead35a3050a99ab9047553
 2019-09-24 04:50:18 -07:00
Kevin Hamacher
c337ea117e Return descriptive string if stack-traces are disabled 
PiperOrigin-RevId: 270876245
Change-Id: I899a4628541712a212aa24d3a01d48d9b070c734
 2019-09-24 04:27:09 -07:00
Kevin Hamacher
51d1a0e8ba Rollback of an internal change 
PiperOrigin-RevId: 270874732
Change-Id: I69538a0a37ba008a41220fe9d77b3e59f8d06610
 2019-09-24 04:11:52 -07:00
Sandboxed API Team
cee4ac35ae Internal BUILD file cleanup 
PiperOrigin-RevId: 270672739
Change-Id: I752113fc1fa5fa3f1585b918c89ca68c058db098
 2019-09-23 07:33:08 -07:00
Sandboxed API Team
a6285716f1 Internal cleanup 
PiperOrigin-RevId: 270653397
Change-Id: I495a30cffdfa932da045ebed626bf97f1cb68bb2
 2019-09-23 05:14:00 -07:00
Wiktor Garbacz
d43d09c746 fail soft if sandboxee exits before init is ptraced 
PiperOrigin-RevId: 270254470
Change-Id: Ifa13f4fe0e7ae91b79fc689e1d7dcb2a49b09cde
 2019-09-20 06:13:44 -07:00
Sandboxed API Team
0aec7a511b Don't try to parse "[vsyscall]" as an ELF image. 
PiperOrigin-RevId: 269811752
Change-Id: I2118badab9b5392eae7bfd36583384a33ab8a7d5
 2019-09-18 08:32:11 -07:00
Wiktor Garbacz
846717def1 Fix coverage for network and network_proxy tests 
PiperOrigin-RevId: 269314101
Change-Id: I65f15261a22f8f5b6250396e41d76ef40a90ef94
 2019-09-16 05:43:06 -07:00
Wiktor Garbacz
d6ca9d9564 Use proper return code for static_sandbox example 
Also bump FSIZE limit to make it less likely to fail.

PiperOrigin-RevId: 268857718
Change-Id: I955ed4a10d8a49585ae330ab668a0bd891bb6ed6
 2019-09-13 01:22:36 -07:00
Wiktor Garbacz
2e22b13b39 Enable namespaces by default 
PiperOrigin-RevId: 268417712
Change-Id: I496d76e8a90665627b9be2bb5f9872a5df1c84e4
 2019-09-11 02:39:49 -07:00
Christian Blichmann
ea1a934d51 Migrate Sandboxed API docs to developer.google.com/sandboxed-api 
This change removes the in-tree documentation in favor of the one hosted on
the Google's Developer site. This makes it easier to maintain for the
sandbox team, as there is now only a single source of truth for both internal
and external documentation.

If you find errors/bugs in the documentation, please file regular GitHub
issues.

PiperOrigin-RevId: 267132623
Change-Id: I4c950fcef77da0b361cb35b99aa2f187efe6f320
 2019-09-04 05:22:03 -07:00