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Commit c7f7743f authored by Eric Biggers's avatar Eric Biggers Committed by Automerger Merge Worker
Browse files

Merge "Remove write permission from file mode of top-level user dirs" am: 46477f1d 

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2620458



Change-Id: Idc00da3c1d5ce7f5ffc8a3f7942b947fe1b59833
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents 614857c7 46477f1d

rootdir/init.rc

+16 −9
Original line number Diff line number Diff line
@@ -919,15 +919,22 @@ on post-fs-data 
    # encryption policies apply recursively.  These directories should never

    # contain any subdirectories other than the per-user ones.  /data/media/obb

    # is an exception that exists for legacy reasons.

    mkdir /data/media 0770 media_rw media_rw encryption=None

    mkdir /data/misc_ce 01771 system misc encryption=None

    mkdir /data/misc_de 01771 system misc encryption=None

    mkdir /data/system_ce 0770 system system encryption=None

    mkdir /data/system_de 0770 system system encryption=None

    mkdir /data/user 0711 system system encryption=None

    mkdir /data/user_de 0711 system system encryption=None

    mkdir /data/vendor_ce 0771 root root encryption=None

    mkdir /data/vendor_de 0771 root root encryption=None

    #

    # Don't use any write mode bits (0222) for any of these directories, since

    # the only process that should write to them directly is vold (since it

    # needs to set up file-based encryption on the subdirectories), which runs

    # as root with CAP_DAC_OVERRIDE.  This is also fully enforced via the

    # SELinux policy.  But we also set the DAC file modes accordingly, to try to

    # minimize differences in behavior if SELinux is set to permissive mode.

    mkdir /data/media 0550 media_rw media_rw encryption=None

    mkdir /data/misc_ce 0551 system misc encryption=None

    mkdir /data/misc_de 0551 system misc encryption=None

    mkdir /data/system_ce 0550 system system encryption=None

    mkdir /data/system_de 0550 system system encryption=None

    mkdir /data/user 0511 system system encryption=None

    mkdir /data/user_de 0511 system system encryption=None

    mkdir /data/vendor_ce 0551 root root encryption=None

    mkdir /data/vendor_de 0551 root root encryption=None



    # Set the casefold flag on /data/media.  For upgrades, a restorecon can be

    # needed first to relabel the directory from media_rw_data_file.