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Merge "Trim down mediaextractor rules"

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Marco Nelissen 2016-02-05 23:08:39 +00:00 committed by Android (Google) Code Review
commit 8fe9260066
1 changed files with 3 additions and 29 deletions
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32
mediaextractor.te
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@ -11,27 +11,7 @@ binder_call(mediaextractor, binderservicedomain)
binder_call(mediaextractor, appdomain)
binder_service(mediaextractor)
allow mediaextractor kernel:system module_request;
# Needed on some devices for playing DRM protected content,
# but seems expected and appropriate for all devices.
unix_socket_connect(mediaextractor, drmserver, drmserver)
allow mediaextractor drmserver_service:service_manager find;
allow mediaextractor mediaextractor_service:service_manager { add find };
allow mediaextractor processinfo_service:service_manager find;
use_drmservice(mediaextractor)
allow mediaextractor drmserver:drmservice {
consumeRights
setPlaybackStatus
openDecryptSession
closeDecryptSession
initializeDecryptUnit
decrypt
finalizeDecryptUnit
pread
};
allow mediaextractor mediaextractor_service:service_manager add;
###
### neverallow rules
@ -42,11 +22,5 @@ allow mediaextractor drmserver:drmservice {
neverallow mediaextractor { file_type fs_type }:file execute_no_trans;
# mediaextractor should never need network access. Disallow all sockets
# other than unix sockets i.e. unix_stream_socket and unix_dgram_socket
neverallow mediaextractor domain:{
socket tcp_socket udp_socket rawip_socket netlink_socket packet_socket
key_socket appletalk_socket netlink_route_socket netlink_firewall_socket
netlink_tcpdiag_socket netlink_nflog_socket netlink_xfrm_socket
netlink_selinux_socket netlink_audit_socket netlink_ip6fw_socket
netlink_dnrt_socket netlink_kobject_uevent_socket tun_socket
} *;
# other than those needed for normal system functions
neverallow mediaextractor { domain -debuggerd -dumpstate -adbd -mediaextractor -logd userdebug_or_eng(`-su')}:socket_class_set *;