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This change adds additional APIs that are present in the libminijail
header file but not in the rust thunk. In particular it adds the API
that allows pre-compiled bpf files to be used as a policy file. The
native API lacks an API to specify a filename (it only provides an API
to provide the contents of the file).
BUG=None
TEST=Local run of build_test to confirm that both .bpf and .policy files
work in a subsequent change.
Change-Id: I15510ffa857b501512f3f9905882545f407bcd78
Signed-off-by: Matt Delco <delco@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/crosvm/+/1914415
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Dylan Reid <dgreid@chromium.org>
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Separated out of CL:1513058 to make it possible to land parts
individually while the affected crate has no other significant CLs
pending. This avoids repeatedly introducing non-textual conflicts with
new code that adds `use` statements.
TEST=cargo check
TEST=cargo check --all-features
TEST=cargo check --target aarch64-unknown-linux-gnu
Change-Id: Id5f2c4f9005498e2357bec5878761c33d2bc3d8b
Reviewed-on: https://chromium-review.googlesource.com/1519697
Commit-Ready: David Tolnay <dtolnay@chromium.org>
Tested-by: David Tolnay <dtolnay@chromium.org>
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: David Tolnay <dtolnay@chromium.org>
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The io_jail is used to jail io processes run from crosvm. Under the hood
it mostly configures a minijail jail to run in. The minijail
restrictions are applied when iojail::enter is called. This closes
extra FDs and calls minijail_enter.
The minijail_run* functions are left out as we don't have a need to exec
foreign programs. libminijail will be used to jail separate processes
spawned from the main crosvm process.
The ability to close all open file descriptors is added. Minijail only
closes FDs after forking and before exec.
Change-Id: Ida7f52022c934e9e6edeb7b604cd6e6399860cb9
Signed-off-by: Dylan Reid <dgreid@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/505100
Reviewed-by: Zach Reizner <zachr@chromium.org>
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