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11 commits

Author SHA1 Message Date
George Burgess IV
d6f2e69624 Add permission bits to open() with O_CREAT. 
It's an error to pass open O_CREAT without giving it mode bits:
https://linux.die.net/man/3/open

Bug: 32073964
Test: Compiles with clang FORTIFY.
Change-Id: I6b2a3694f85565afdeb782585c6af36e8c4d1557
 2017-02-08 23:44:29 -08:00
Daichi Hirono
cb9153bf43 Support SOCK_STREAM for bridge between system and app 
Previously AppFuse use SOCK_SEQPACKET for sockets communicating system
and app. However SOCK_SEQPACKET requires the buffer of message size in
the kernel and sometimes failed to write with ENOBUF.

The CL updates libappfuse so that it can use SOCK_STREAM instead of
SOCK_SEQPACKET.

Bug: 33279206
Test: libappfuse_test
Change-Id: I622ada9ac1d71d0c57b6cfff0904c7829cea7995
 2016-12-12 14:53:03 +09:00
Daichi Hirono
a6373ec1d4 Fix checks for reading and writing FuseMessage. 
Previously FuseMessage were checking result of read/write operation
after checking header.len value is valid. This was wrong because
header.len does not contain correct value when read function does not
read any bytes and returns zero.

Bug: 33278098
Test: libappfuse_test
Change-Id: Icf998ca6c3eeee20cbc4aa2f65195a87e59ffc27
 2016-12-12 14:34:29 +09:00
Daichi Hirono
691739b334 Remove FuseBridgeLoop class. 
Bug: 32779923
Test: libappfuse_test
Change-Id: I29a76701d141ae061ec1fe32993d27460a0c694a
 2016-11-17 09:49:51 +09:00
Daichi Hirono
30e6808895 Stops the loop when all files are closed. 
The CL changes FuseBridgeLoop so that it exits when all files opened on
the AppFuse mount point are closed. Note that the client code will
unmount the FUSE mount point after the loop exits.

Bug: 32260320
Test: libappfuse_test
Change-Id: I4965fbb48de8a280c6306e70757a07376b1956a7
 2016-11-17 09:10:53 +09:00
Treehugger Robot
c884f80755 Merge "Use FUSE_COMPAT_22_INIT_OUT_SIZE always if available." 2016-11-16 03:57:46 +00:00
Daichi Hirono
471ad6a59d Use FUSE_COMPAT_22_INIT_OUT_SIZE always if available. 
We return the minor version number 15 to FUSE_INIT since we don't handle
BATCH_FORGET. Thus the kernel does not accept the latest size of
fuse_init_out. Instead we need to use FUSE_COMPAT_22_INIT_OUT_SIZE.

Bug: 32779923
Test: libappfuse_test

Change-Id: I5c979d0e45344ca8adfe3ad3f4a9561442abcb3a
 2016-11-16 01:56:00 +00:00
Daichi Hirono
0d97be4d7d Add static assert to check if FuseBuffer is standard layout union. 
Bug: 32260320
Test: libappfuse_test
Change-Id: I6430c11fdeb2405996410c97044b4260c25209b8
 2016-11-15 10:18:37 +09:00
Daichi Hirono
a0aecda12b Add FuseAppLoop to libappfuse. 
The class is used at the app side (StorageManager) to parse FUSE
commands.

Bug: 32260320
Test: libappfuse_test
Change-Id: I1ae2904d3290a041f1efbf8fc10ba032eda5449c
 2016-11-15 09:47:31 +09:00
Daichi Hirono
c613476297 Add FuseBridgeLoop to libappfuse. 
The CL adds FuseBridgeLoop class to libappfuse, which is used in the
system service to proxy fuse commands to applications.

Bug: 29970149
Test: libappfuse_test
Change-Id: I0708f608b3868721ab16ba4028fd2c17a6735af7
 2016-10-27 15:04:15 +09:00
Daichi Hirono
7f8e819ded Add utility functions for FUSE. 
The CL adds utility functions to framework to parse FUSE messages
from the kernel. The library will be used from framework JNI and service
JNI.

Bug: 32260320
Test: libappfuse_test
Change-Id: Ib89b26d34789e6c26a3288beceb3ea145c1ae780
 2016-10-27 12:40:24 +09:00