Oh sri said the ext4 is not created at build. My guess its similar to efs.
On Jan 3, 2014 12:56 PM, [email protected] wrote:

> Ha I forgot to tell him to remove n... Doh
> On Jan 3, 2014 11:57 AM, "Stephen Smalley" <[email protected]>
> wrote:
>
>> The -n option to restorecon means "Do Not change", i.e. do not set the
>> context.  When combined with the -v option (verbose), it shows what it
>> would set but does not apply the change.  So it isn't surprising that
>> restorecon -nv did not change anything.  Remove the -n option if you
>> want to set manually.
>> What kind of filesystem is on the partition (e.g. ext4), and how is it
>> initially created?
>> You have to pass in the right options to make_ext4fs if you want to
>> label the files based on file_contexts; the build Makefiles have been
>> modified to do this automatically for the system image when it is
>> built.  Or if the partition starts empty, you can just restorecon it
>> from init.*.rc as is done for /data and /cache in the init.rc file.
>>
>>
>> On Fri, Jan 3, 2014 at 2:32 PM, sri linux <[email protected]> wrote:
>> > Adding mailing list back to the thread - In one of my reply, got
>> removed as
>> > I hit just "Reply" instead of  "Reply to all"!
>> >
>> >
>> > On Fri, Jan 3, 2014 at 11:04 AM, sri linux <[email protected]> wrote:
>> >>
>> >> In one of the TE file, I have defined file_type as
>> >> type <partition_name>_data_file, file_type;
>> >>
>> >> And in file_contexts, I have defined below to switch context of the
>> file
>> >> /<partition_name>/<dir_name>(/.*)?
>> >> u:object_r:<partition_name>_data_file:s0
>> >>
>> >> When I tried restorecon from the shell, I see below log, which seem to
>> be
>> >> trying to change the context of the file, but, when I cross check
>> using "ls
>> >> -lZ" I still see default context.
>> >> restorecon -nv /<partition_name>/<dir_name>/<file_name>
>> >> Relabeling /<partition_name>/<dir_name>/<file_name> from
>> >> u:object_r:unlabeled:s0 to u:object_r:<partition_name>_data_file:s0.
>> >>
>> >> Just wondering what Am I missing here!
>> >>
>> >>
>> >> On Fri, Jan 3, 2014 at 9:25 AM, William Roberts <
>> [email protected]>
>> >> wrote:
>> >>>
>> >>> ok then a restorecon should do the trick. Depending on your version
>> >>> you may need to restorecon each file and you need to make sure the
>> >>> file_context is located either in the ramdisk or data. Data will only
>> >>> work if this filesystem is mounted AFTER data, so the safest option is
>> >>> ensuring it is in /file_contexts which is located in the ramdisk.
>> >>>
>> >>> in the init.rc after the filesystem in question is mounted you will
>> >>> need restorecon entries. Based on the version you are running you may
>> >>> need to restorecon each file. I would recommend just verifying the
>> >>> file_contexts, and manually shelling into the device and transitioning
>> >>> to su. You can do this by: adb shell followed by su 0. Once in as
>> >>> super user, you can issue the restorecon command. if an ls -Z file
>> >>> still shows the invalid label. I would try restorecon -nv to get some
>> >>> debugging info as to why its failing. Perhaps your expression in the
>> >>> file_contexts entry is not proper and is not matching anything.
>> >>>
>> >>> If you need to restorecon the whole filesystem, after the mount in the
>> >>> init.rc you can do restorecon_recursive if your init supports it. AOSP
>> >>> now has this feature. It was added here:
>> >>> https://android-review.googlesource.com/#/c/67580/
>> >>>
>> >>> At this point, I think to get more specific help, you will need to
>> >>> provide more specifics to your problem. Can you give us the snippet of
>> >>> your file_contexts, and other commands, etc. Diffs are really helpful
>> >>> here. You can change the data to keep it anonymous if needed.
>> >>>
>> >>> Keep in mind that adb root; adb shell; will result in a root terminal
>> >>> running in the shell domain which may not have any permissions to do
>> >>> what you need. It is very important that you invoke su to transition
>> >>> into the su domain, which is unconfined.
>> >>>
>> >>> Bill
>> >>>
>> >>> On Fri, Jan 3, 2014 at 8:01 AM, sri linux <[email protected]>
>> wrote:
>> >>> > Yes, filesystem is mounted as read & write.
>> >>> >
>> >>> >
>> >>> > On Thu, Jan 2, 2014 at 6:52 PM, William Roberts
>> >>> > <[email protected]>
>> >>> > wrote:
>> >>> >>
>> >>> >> Ok is the filesystem mounted writable? If not, then a restorecon
>> would
>> >>> >> fail.
>> >>> >>
>> >>> >> On Thu, Jan 2, 2014 at 4:18 PM, sri linux <[email protected]>
>> wrote:
>> >>> >> > As mentioned already, I tried restorecon, which doesn't have any
>> >>> >> > affect.
>> >>> >> > File is created at build time in one of the partition
>> >>> >> > (separate/different
>> >>> >> > partition and not boot/system/data) and filesystem is ext4 type.
>> >>> >> > Filesystem
>> >>> >> > is mounted as read & write.
>> >>> >> >
>> >>> >> >
>> >>> >> > On Mon, Dec 30, 2013 at 12:14 PM, William Roberts
>> >>> >> > <[email protected]>
>> >>>
>> >>> >> > wrote:
>> >>> >> >>
>> >>> >> >> And what type of filesystem is it?
>> >>> >> >>
>> >>> >> >> On Mon, Dec 30, 2013 at 11:28 AM, Stephen Smalley
>> >>> >> >> <[email protected]> wrote:
>> >>> >> >> > Which partition?  And how is the file created?
>> >>> >> >> >
>> >>> >> >> > On Fri, Dec 27, 2013 at 7:05 PM, sri linux <
>> [email protected]>
>> >>> >> >> > wrote:
>> >>> >> >> >> Dear Experts,
>> >>> >> >> >>
>> >>> >> >> >> I have a file in one of the partition, for which, I see
>> below as
>> >>> >> >> >> a
>> >>> >> >> >> default
>> >>> >> >> >> context:
>> >>> >> >> >> -rw-rw-r-- system   root              u:object_r:unlabeled:s0
>> >>> >> >> >> file_xyz
>> >>> >> >> >>
>> >>> >> >> >> I tried to change the context using type_transition, which
>> >>> >> >> >> doesn't
>> >>> >> >> >> seem
>> >>> >> >> >> to
>> >>> >> >> >> be working - I still see unlabeled in the context.
>> >>> >> >> >>
>> >>> >> >> >> Can someone suggest the best way to change the context of the
>> >>> >> >> >> file
>> >>> >> >> >> which is
>> >>> >> >> >> unlabeled?
>> >>> >> >> >>
>> >>> >> >> >>
>> >>> >> >> >>
>> >>> >> >> >> _______________________________________________
>> >>> >> >> >> Seandroid-list mailing list
>> >>> >> >> >> [email protected]
>> >>> >> >> >> To unsubscribe, send email to
>> >>> >> >> >> [email protected].
>> >>> >> >> >> To get help, send an email containing "help" to
>> >>> >> >> >> [email protected].
>> >>> >> >> >>
>> >>> >> >> > _______________________________________________
>> >>> >> >> > Seandroid-list mailing list
>> >>> >> >> > [email protected]
>> >>> >> >> > To unsubscribe, send email to
>> [email protected].
>> >>> >> >> > To get help, send an email containing "help" to
>> >>> >> >> > [email protected].
>> >>> >> >>
>> >>> >> >>
>> >>> >> >>
>> >>> >> >> --
>> >>> >> >> Respectfully,
>> >>> >> >>
>> >>> >> >> William C Roberts
>> >>> >> >
>> >>> >> >
>> >>> >>
>> >>> >>
>> >>> >>
>> >>> >> --
>> >>> >> Respectfully,
>> >>> >>
>> >>> >> William C Roberts
>> >>> >
>> >>> >
>> >>>
>> >>>
>> >>>
>> >>> --
>> >>> Respectfully,
>> >>>
>> >>> William C Roberts
>> >>
>> >>
>> >
>> >
>> > _______________________________________________
>> > Seandroid-list mailing list
>> > [email protected]
>> > To unsubscribe, send email to [email protected].
>> > To get help, send an email containing "help" to
>> > [email protected].
>> >
>>
>
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