A recently added subcontext test was failing beause it was running as
non-root, but GTEST_SKIP() didn't work as I expected it to.
In retrospect, all of these tests except for the property one, can
easily run as root, so this changes allows all of these tests to run
as root, while fixing the original issue.
Bug: 144707143
Test: root and nonroot subcontext unit tests
Change-Id: Ia835597701698f6be2101f92d6f4c9450bd3c7dd
This code is more generic than it needs to be and one of the side
effects is that an extra init process is forked for odm_init, despite
it having the same context as vendor_init. I don't think anything is
going to change regarding that soon, so this change stops forking that
extra process to save its memory and simplifies the code overall.
Bug: 141164879
Test: init still uses vendor_init for vendor_scripts
Test: init unit tests
Test: init only has one subcontext process
Change-Id: I0d224455604a681711e32f89fb20132378f69060
I've heard that keyword_map is too complex, in particular the tuple
and the pair in BuiltinFunctionMap, so this change removes a lot of
that complexity and, more importantly, better documents how all of
this works.
Test: boot, init unit tests
Change-Id: I74e5f9de7f2ec524cb6127bb9da2956b5f307f56
Now that Result<T> is actually expected<T, ...>, and the expected
proposal states expected<void, ...> as the way to indicate an expected
object that returns either successfully with no object or an error,
let's move init's Result<Success> to the preferred Result<void>.
Bug: 132145659
Test: boot, init unit tests
Change-Id: Ib2f98396d8e6e274f95a496fcdfd8341f77585ee
This change adds an explicit cleanup for the subcontext processes and
avoids them from respawning, which causes a bunch of LOG(FATAL)s when
the system is going down.
Bug: 80425914
Test: kill -TERM $INIT_PID, no crashes for subcontext inits
Change-Id: I135191d959c1dd921b102af316b24d2bc161d6c9
We should only allow vendor-init-settable properties to be set from
.prop files on /vendor and /odm.
Bug: 73905119
Test: test on walleye that disallowed properties are rejected
Change-Id: I2a5d244fdc71060ddda3e3d87442e831e6b97831
I'd be not doing this for a while since some of this code doesn't
compile on host and libinit previously did. But after realizing
the property_service.cpp (libinit) references symbols in init.cpp
(init) and seeing a new linker error crop up due to that, it's time to
make the fix.
My only hold out previously was that libinit compiled on host bionic
and some of init (builtins.cpp, etc) do not, however given that we
don't actually have host bionic support or host bionic init tests,
that isn't a good reason. We can and should mock out the libraries
that aren't available with host bionic when ready.
Test: build, unit tests, boot
Change-Id: Ie49362ddb637924efc272540a4f32b693643fcdc
Currently init expands properties in arguments only when those
commands are run in a subcontext. This creates a hole where
properties that should not be accessible from a given subcontext of
init can be accessed when running a command in the main init
executable (for example `start`).
This change creates a callback in subcontext init that simply expands
and returns arguments back to the main init process, to ensure that
only those properties that a subcontext can access get expanded.
Bug: 62875318
Test: boot bullhead, new unit tests
Change-Id: I2850009e70da877c08e4cc83350c727b0ea98796
subcontext_test had been failing due to setexeccon() failing to
transition to vendor_init context. This is a good thing as nothing
other than init should be able to transition into this context.
I don't want to add code to skip the setexeccon() call only for the
tests, so I instead call setexeccon() with the return value of
getcon(). This works however only for root, so these tests are
skipped for non-root.
Test: init unit tests
Change-Id: I8a415599e0ec5506511202f7f5018c0e5265837d
One of the major aspects of treble is the compartmentalization of system
and vendor components, however init leaves a huge gap here, as vendor
init scripts run in the same context as system init scripts and thus can
access and modify the same properties, files, etc as the system can.
This change is meant to close that gap. It forks a separate 'subcontext'
init that runs in a different SELinux context with permissions that match
what vendors should have access to. Commands get sent over a socket to
this 'subcontext' init that then runs them in this SELinux context and
returns the result.
Note that not all commands run in the subcontext; some commands such as
those dealing with services only make sense in the context of the main
init process.
Bug: 62875318
Test: init unit tests, boot bullhead, boot sailfish
Change-Id: Idf4a4ebf98842d27b8627f901f961ab9eb412aee
