mojo/nacl/README.md - Issue 1398213003: Refactored Non-SFI and SFI NaCl into separate directories.

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Issue 1398213003: Refactored Non-SFI and SFI NaCl into separate directories. (Closed) Base URL: https://github.com/domokit/mojo.git@master

Patch Set: Created 5 years, 2 months ago

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1 About

2 =====

3

4 This is a prototype for plumbing Mojo into the NaCl sandbox. It is

5 currently insecure (see below), does not provide a stable ABI (IRT

6 support must be added), and does not support Mojo functions that

7 return pointers (for example, `MojoMapBuffer`).

8

9

10 Using

11 =====

12

13 To use this prototype run `mojo/tools/mojob.py gn --nacl` and then build

14 and test as usual.

15

16 Run `mojo/tools/mojob.py nacltest` for additional nacl-specific tests.

17

18

19 Notes

20 =====

21

22 `generator/interface.py` contains a programmatic description of the

23 stable Mojo interface. This will need to be updated as the interface

24 changes. Run `generator/generate_nacl_bindings.py` to generate the

25 bindings that plumb this interface into the NaCl sandbox.

26

27

28 Security TODO

29 =============

30

31 * Separate trusted and untrusted Mojo handles.

32 * Validate and copy option structures.

33 * Protect untrusted buffers passed into Mojo:

34 * `NaClVmIoWillStart/HasEnded`.

35 * volatile accesses to untrusted memory (untrusted code could race).

36 * Overflow checking in array bounds validation.

37

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