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This commit changes how we handle InvalidInput and System errors.
Instead of having formatting functions, the now just wrap a string and
should be created with fmt.Sprintf or similar. We also move all of the
error related code into a single place.
Finally, the utils package gets additional functionality with MinInt64
and GetUsername, and the UnderlyingError function gets better logging.
Note that this will break packages that depend on it. For instance,
metadata and crypto currently do not build. This is fixed in a later
commit.
Change-Id: I819e4d1970604456a5b4b6a7c86426f180a6d092
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This commit adds in the ability to get and set policy data from go using
the GetPolicy and SetPolicy functions. This is done via a patch of the
x/sys/unix package that exposes the filesystem encryption structures.
Note that not all the fields of the PolicyData protocol buffer are
needed to get and set policies. The wrapped_policy_keys are not used and
will be written and read by other components of fscrypt.
To run the policy tests, the environment variable BASE_TEST_DIR must be
set to a directory for testing on a filesystem that supports encryption.
Change-Id: I13b1d983356845f3ffc1945cedf53234218f32e5
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This commit adds in the util package. This package provides
two functions for creating errors. These functions are:
- InvalidInputErrorF - bad input from user or caller
- SystemErrorF - low level failure
It also adds in a small function for converting Go byte slices into C
void pointers. This will be very useful for interoperating with C.
Change-Id: I87ad7946dd5fa26e28927590aff4bcc9fd5ce4f7
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