Thanks,
With that, I've been able to see my /system/etc/passwd file contains the
generated AID now. That's great.
$ cat /system/etc/passwd
...
*vendor_foobar*::2222:2222::/:/system/bin/sh
Now, I'm trying to use this user. Is there a mapping from this
vendor_foobar unix user-name to an android:sharedUserId attribute in an
app/services AndroidManifest.xml? I was hoping to use something like:
<manifest
android:sharedUserId="android.uid.*vendor_foobar*"
...>
or
<manifest
android:sharedUserId="android.uid.*foobar*"
...>
to connect an application to this user. Those examples above didn't work,
the application ran as one of the generated users (e.g. u0_a167) which
seems to be the default behavior if you set android:sharedUserId to some
unrecognized value.
Is there an additional configuration needed to establish a binding to
android:sharedUserId?
On Monday, May 13, 2019 at 12:44:53 PM UTC-7, Tom Cherry wrote:
>
> It should be installed to /vendor/etc/passwd and /vendor/etc/group.
>
> I'd also be careful that TARGET_FS_CONFIG_GEN isn't overwritten anywhere.
> The BoardConfig.mk's for most of the google products specify this with a
> string similar to "TARGET_FS_CONFIG_GEN := device/google/wahoo/config.fs"
> so the := may overwrite what you've used.
>
> On Monday, May 13, 2019 at 12:25:58 PM UTC-7, Eric Crahen wrote:
>>
>> I've been attempting to add some custom user for an application in my
>> AOSP build,
>>
>> Following the notes here, I tried to add a custom vendor AID to my AOSP
>> build
>> * https://source.android.com/devices/tech/config/filesystem
>>
>> I thought I'd find an /etc/passwd entry somewhere with a mapping of the
>> uid 2222 -> vendor_foobar (or maybe to just a user named foobar). Maybe I'm
>> missing something from the notes linked above, but that's not happening. It
>> seems like the new user isn't getting added to either the system.img or
>> vendor.img
>>
>>
>> config.fs:
>> [AID_VENDOR_FOOBAR]
>> value: 2222
>>
>> additions to BoardConfig.mk:
>> TARGET_FS_CONFIG_GEN += device/google/muskie/walleye/config.fs
>> TARGET_ANDROID_FILESYSTEM_CONFIG_H :=
>>
>>
>> Does anyone know how to correctly add a custom vendor AID? Thanks!
>>
>>
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