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Grant apps with pass_through mount mode media_rw gid

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This is necessary to allow the FUSE daemon access to the lower
filesystem on devices without sdcardfs

Test: FUSE daemon has media_rw gid
Bug: 144914977
Change-Id: I2ed3ab00fa1a4293703e1d066283334cadd1cd49
This commit is contained in:
Zim
2020-01-24 16:44:10 +00:00
parent 3982e546c1
commit da8df98634
1 changed files with 7 additions and 0 deletions
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7
services/core/java/com/android/server/am/ProcessList.java
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@@ -1574,8 +1574,15 @@ public final class ProcessList {
gidList.add(userGid);
}
if (mountExternal == Zygote.MOUNT_EXTERNAL_ANDROID_WRITABLE) {
// For DownloadProviders and MTP: To grant access to /sdcard/Android/
gidList.add(Process.SDCARD_RW_GID);
}
if (mountExternal == Zygote.MOUNT_EXTERNAL_PASS_THROUGH) {
// For the FUSE daemon: To grant access to the lower filesystem.
// EmulatedVolumes: /data/media and /mnt/expand/<volume>/data/media
// PublicVolumes: /mnt/media_rw/<volume>
gidList.add(Process.MEDIA_RW_GID);
}
if (packageName.equals("com.android.externalstorage")) {
// Allows access to 'unreliable' (USB OTG) volumes via SAF
gidList.add(Process.MEDIA_RW_GID);