android_system_sepolicy/vdc.te
Nick Kralevich c0d14767e6 dumpstate: transition into vdc domain
dumpstate uses vdc to collect asec lists and do a vold dump.
Force a transition into the vdc domain when this occurs.

Addresses the following denial:

  <4>[ 1099.623572] type=1400 audit(1403716545.565:7): avc: denied { execute } for pid=6987 comm="dumpstate" name="vdc" dev="mmcblk0p8" ino=222 scontext=u:r:dumpstate:s0 tcontext=u:object_r:vdc_exec:s0 tclass=file permissive=0

Change-Id: I4bd9f3ad83480f8c9f9843ffe136295c582f96fe
2014-06-25 14:18:51 -07:00

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# vdc spawned from init for the following services:
# defaultcrypto
# encrypt
#
# We also transition into this domain from dumpstate, when
# collecting bug reports.
type vdc, domain;
type vdc_exec, exec_type, file_type;
init_daemon_domain(vdc)
unix_socket_connect(vdc, vold, vold)
# vdc sends information back to dumpstate when "adb bugreport" is used
allow vdc dumpstate:fd use;
allow vdc dumpstate:unix_stream_socket { read write getattr };
# vdc information is written to shell owned bugreport files
allow vdc shell_data_file:file { write getattr };
# Why?
allow vdc dumpstate:unix_dgram_socket { read write };