Commit graph

20 commits

Author SHA1 Message Date
Sudheer Shanka
cabc52646a Allow callers to pass a flag to not link obb dirs of multiple users.
Bug: 110960295
Test: atest cts/hostsidetests/appsecurity/src/android/appsecurity/cts/ExternalStorageHostTest.java
Change-Id: I738e7e6365fb4917f1172c578281e1835a5012c2
2019-03-05 14:41:54 -08:00
Sudheer Shanka
81c687dff8 Reland "Create new mount directory /mnt/runtime/full."
This will be used for system internals to access
secondary volumes without having to bypass sdcardfs.

This reverts commit 54b8844b13

Bug: 121277410
Test: manual
Change-Id: Id5b995dc5899b5999f1dea662ba1c3ee475a0e46
2019-01-19 00:21:10 +00:00
Daniel Rosenberg
c336f86284 Add support for esdfs mounting
If sdcardfs is turned off, try mounting esdfs.

Test: Override ro.sys.sdcardfs to be false, or run
      sm set-sdcardfs off. If the kernel contains
      esdfs, it will use it.
Bug: 63876697
Change-Id: I4db8bf336743edf62edfae41d753b1e3af163950
2018-01-19 12:58:42 -08:00
Jeff Sharkey
68e1093028 Remove FUSE logic; it's only a sdcardfs wrapper.
Leaving the FUSE logic intact was confusing to OEMs, who expected
that it would still work and pass CTS.  Remove all the FUSE logic
and leave a comment block about why the wrapper exists.

Also use new Android.bp makefile format.

Test: builds, boots
Bug: 63524725
Change-Id: I8b2a4fa0227109d65689c43302dc6fa40394ff58
2018-01-12 15:41:55 -07:00
Jeff Sharkey
e2e3610e6e Add "default_normal" support for sdcardfs.
Also cleans up fallback-retry logic for older kernels by
progressively removing each newer flag with each retry.

Test: internal CTS
Bug: 64672411
Change-Id: I3de3b64b68838fb2ef4505fe73c4e9865b2f9026
2018-01-12 13:11:31 -07:00
Rom Lemarchand
9813914a3b Revert "Revert "Add derive_gid flag for mounting sdcardfs""
This reverts commit 28dbcaa23b.

Reason for revert: All kernel prebuilts merged

(cherry picked from commit ac8dc7e76f)

Bug: 65600849
Bug: 65573871
Test: m
Change-Id: Ib3cae2908c9e8f2b69d8effe618a6f1ac94f44e2
2017-09-22 14:30:30 -07:00
Richard Uhler
f09f965f9f Revert "Add derive_gid flag for mounting sdcardfs"
This reverts commit 8ca02bbeb5.

Causes boot loop on bullhead.

(cherry picked from commit 28dbcaa23b)

Bug: 63245673
Bug: 65660058
Test: m
Merged-In: Ife5f83ebf56fb956e5015d2797b5b47a515ec171
Change-Id: Ife5f83ebf56fb956e5015d2797b5b47a515ec171
2017-09-22 09:03:18 -07:00
Daniel Rosenberg
b7c118522f Add derive_gid flag for mounting sdcardfs
Turns on the derive_gid feature for sdcardfs. This was moved
under a mount flag in the kernel.

Test: If the derive_gid flag is supported, the first mount
      should succeed. If the flag is not, the second should
      succeed.
Bug: 63245673
Change-Id: If1c1bce13d14120732e420252cb5605d33ce7c40
2017-09-20 16:04:50 -07:00
Treehugger Robot
cb4e164562 Merge "sdcard: mute false compiler alarm" 2017-08-30 02:31:54 +00:00
Ting-Yuan Huang
1991ae9459 sdcard: mute false compiler alarm
Clang static analyzer worries that strcpy to a field may overwrites
other fields.  Use snprintf() instead.

Test: built without seeing the warning.

Change-Id: I75d8edf1353b5d052fd14a954362bd0632c258fa
2017-08-29 17:21:13 -07:00
Daniel Rosenberg
cd59181387 Make sdcardfs the default
This will cause devices to default to sdcardfs if the kernel
supports it.

Test: Booted a wiped device, ensured sdcardfs was enabled
Change-Id: Ibce012b841b78d37ade668a38e91dca74a637867
2017-03-20 13:11:10 -07:00
Daniel Rosenberg
fc592327a9 Switch sdcardfs over to bind mounts.
Sdcardfs has been modified to use bind mounts
in place of three separate mounts. This lowers
resource usage, and removes a number of race
conditions around updates via differnt views.

Test: Run storage cts tests with sdcardfs enabled
Change-Id: Icdc196ba3d6f46d54d27ef91c01ffebcf81dd47e
2016-11-28 20:07:54 -08:00
Christopher Ferris
d6b0d37549 Small clean up of fuse code.
- Add TEMP_FAILURE_RETRY around all relevant system calls.
- Cleanup some of the read calls.
- Add error log messages when read/write calls do not actually read/write the
  expected number of bytes.
- Add error messages for write failures in fuse_status/fuse_replay.

Test: Attached to the sdcard process and stepped through most of the modified
Test: code. Also, create/read/write/delete files in /storage/emulated/0
Test: directory.

Change-Id: I73e4c0db861960f4c0af1bf96b06cd61fa74be69
2016-10-07 12:16:00 -07:00
Daniel Rosenberg
9526819c70 sdcard: Fix bad merge
A few changes got dropped along merge resolution. This adds them back

Affected CLs:
Ie188cb044be2ad87166f2d43c32a1f6b97660de0
Ibdb72ad16a1e6c3a01edcb03d003c42de7a03cd6

Change-Id: I1924f5a4bd7564ceaf9bb3a45b7fb7804b3619d7
2016-08-31 00:04:22 +00:00
Jorge Lucangeli Obes
e157b253d4 Fix sdcard logging.
Use C++ logging for everything.

Bug: 30222003
Change-Id: I5c5d85102b01df6965a515b59aa275ac85f50f00
2016-07-26 16:52:48 -04:00
Jorge Lucangeli Obes
d6d8faa690 sdcard: Use std::map.
Having CaseInsensitiveCompare use strcasecomp is not ideal, but other
solutions are not prettier.

Also, add a TODO to fix FUSE_TRACE, broken by the switch to C++.

Bug: 27147273

Change-Id: I0017c3a7d0254eb81abd128b97cd06c5ad0d1dff
2016-07-19 17:01:15 -04:00
Jorge Lucangeli Obes
bae15b4f46 Use arraysize() for supplementary groups.
Also make adbd use ScopedMinijail.

Bug: 30191189
Change-Id: I5e259aa466817b51037912aba043ba75bd35f9e1
2016-07-18 13:46:42 -04:00
Jorge Lucangeli Obes
c96f53e2fe Use Minijail for privilege dropping.
Having so many copies of privilege-dropping code leads to errors.
De-duplicate this code and use Minijail for it.

Bug: 30156807

Change-Id: I36c85962b913a12efe5648a23cbacc5bcbb3853c
2016-07-15 10:16:59 -04:00
Jorge Lucangeli Obes
c9e1710acc Use C++ logging in sdcard.cpp.
This gets rid of a bunch of "strerror(errno)" bits.
Will convert fuse.cpp after
https://android-review.googlesource.com/#/c/247780 lands.

Bug: 30110940

Change-Id: Iacefe5b6519b217ed687c709763fe5827b3b0b59
2016-07-14 10:06:34 -04:00
Jorge Lucangeli Obes
c255f25ccb Extract the FUSE implementation from the main sdcard.c file.
sdcard.c is a *really* big file. This makes it hard to do things like
improving priv dropping or adding more sandboxing. Extract all
FUSE-related code to a separate unit, fuse.{h|c}, which exports only
two functions. Convert the rest of sdcard.c to C++ as sdcard.cpp.
fuse.c is kept as C (at least for now) since interacting with the FUSE
API is realistically easier from C.

Bug: 30110940

Change-Id: I188bfdc21c184742117e07539adb09090d4d747c
2016-07-13 10:57:29 -04:00