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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 metadata package. The primary purpose of this
package is to provide the on-disk metadata structures in the form of
protocol buffers. This includes:
- Policy metadata structure
- Protector metadata structure
- Config file structure
- All necessary sub-structures (wrapped keys, parameters, etc)
This commit also adds in an example usage of the Config structure, which
represents the structure of the global config file. All the package
does at this point is convert between the Config structure and a JSON
representation.
Here we introduce govendor, which is described more in the README. This
means we will have all of our Go dependencies in the vendor
subdirectory. This means we will have no Go source dependencies, only
dependencies on the build tools (Go and govendor). The README describes
this in detail.
Note that we commit the generated files.
see: https://blog.golang.org/generate
Change-Id: Iaacd46666b5d3e4e865a0f4045dd63ed7e3d6f96
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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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This commit adds in a stub fscrypt program. The binary just tells the
time and the tests do nothing, but the Makefile will build them! This
commit also adds documentation to the README that explains how to get,
build, run, test, format, lint, and install the code.
Also note that the executable is now in the cmd/fscrypt directory. The
library implementing the core functionality will be at the root. This
is essentially point 2 of https://medium.com/@benbjohnson/structuring-applications-in-go-3b04be4ff091
Change-Id: Ib7bd782e458bdf3db456beb978be4c75b4734561
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This commit includes the Apache 2.0 License and a README with
documentation on how to checkout the code, some context about Linux
filesystem encryption, and documentation stubs for fscrypt and
fscryptctl. Also adds in a simple .gitignore so we don't commit build
files.
Change-Id: I99d5f936c9d65516119dd58c81cfa95c1e6243c1
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Change-Id: I32cc74f278b4a19d91106a5cb20d8a9e96fb1351
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