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Merge "allow wcnss_filter CAP_SYS_NICE, Bluetooth HAL binder to system_server"

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TreeHugger Robot
2017-05-02 23:53:53 +00:00
committed by Android (Google) Code Review
parent cfeb1696f0 d158c13cce
commit 74eac717d5
3 changed files with 8 additions and 0 deletions
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1
android_filesystem_config.h
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@@ -36,6 +36,7 @@ static const struct fs_path_config android_device_files[] = {
{ 00755, AID_SYSTEM, AID_SYSTEM, (1ULL << CAP_NET_BIND_SERVICE), "vendor/bin/cnss-daemon"},
{ 00755, AID_SYSTEM, AID_SYSTEM, (1ULL << CAP_NET_BIND_SERVICE), "vendor/bin/imsdatadaemon" },
{ 00755, AID_SYSTEM, AID_RADIO, (1ULL << CAP_NET_BIND_SERVICE), "vendor/bin/ims_rtp_daemon" },
{ 00755, AID_SYSTEM, AID_SYSTEM, (1ULL << CAP_SYS_NICE), "vendor/bin/wcnss_filter" },
#ifdef NO_ANDROID_FILESYSTEM_CONFIG_DEVICE_DIRS
{ 00000, AID_ROOT, AID_ROOT, 0, "system/etc/fs_config_dirs" },
#endif

4
sepolicy/hal_bluetooth_default.te
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@@ -2,4 +2,8 @@ allow hal_bluetooth_default bt_device:chr_file rw_file_perms;
allow hal_bluetooth_default wcnss_filter:unix_stream_socket connectto;
# talk to system_server to set priority
allow hal_bluetooth fwk_scheduler_hwservice:hwservice_manager find;
allow hal_bluetooth system_server:binder call;
set_prop(hal_bluetooth_default, wc_prop)

3
sepolicy/wcnss_filter.te
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@@ -12,6 +12,9 @@ userdebug_or_eng(`
permissive wcnss_filter;
')
# allow wcnss to set threads to RT priority
allow wcnss_filter self:capability sys_nice;
# TODO(b/34274385): Remove this once Bluetooh HAL is guaranteed to not be run in passthrough mode
# What's going on here is that Bluetooth HAL is talking over sockets to wcnss_filter, which is
# permitted. However, those rules target hal_bluetooth rather than hal_bluetooth_server and thus