tequilaOS/platform_system_sepolicy
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Merge "Rules for new installd Binder interface."

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Jeff Sharkey 2016-12-06 00:14:53 +00:00 committed by Gerrit Code Review
commit fed665edca
6 changed files with 32 additions and 10 deletions
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1
private/service_contexts
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@ -56,6 +56,7 @@ hdmi_control u:object_r:hdmi_control_service:s0
inputflinger u:object_r:inputflinger_service:s0
input_method u:object_r:input_method_service:s0
input u:object_r:input_service:s0
installd u:object_r:installd_service:s0
iphonesubinfo_msim u:object_r:radio_service:s0
iphonesubinfo2 u:object_r:radio_service:s0
iphonesubinfo u:object_r:radio_service:s0

18
public/installd.te
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@ -118,3 +118,21 @@ allow installd devpts:chr_file rw_file_perms;
# execute toybox for app relocation
allow installd toolbox_exec:file rx_file_perms;
# Allow installd to publish a binder service and make binder calls.
binder_use(installd)
allow installd installd_service:service_manager add;
allow installd dumpstate:fifo_file { getattr write };
# Allow installd to call into the system server so it can check permissions.
binder_call(installd, system_server)
allow installd permission_service:service_manager find;
###
### Neverallow rules
###
# only system_server and dumpstate may interact with installd over binder
neverallow { domain -system_server -dumpstate } installd_service:service_manager find;
neverallow { domain -system_server -dumpstate } installd:binder call;
neverallow installd { domain -system_server -servicemanager userdebug_or_eng(`-su') }:binder call;

5
public/service.te
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@ -1,14 +1,15 @@
type audioserver_service, service_manager_type;
type batteryproperties_service, app_api_service, service_manager_type;
type bluetooth_service, service_manager_type;
type cameraserver_service, service_manager_type;
type default_android_service, service_manager_type;
type drmserver_service, service_manager_type;
type dumpstate_service, service_manager_type;
type gatekeeper_service, app_api_service, service_manager_type;
type fingerprintd_service, service_manager_type;
type batteryproperties_service, app_api_service, service_manager_type;
type gatekeeper_service, app_api_service, service_manager_type;
type gpu_service, service_manager_type;
type inputflinger_service, service_manager_type;
type installd_service, service_manager_type;
type keystore_service, service_manager_type;
type mediaserver_service, service_manager_type;
type mediaanalytics_service, service_manager_type;

2
public/shell.te
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@ -90,7 +90,7 @@ allow shell servicemanager:service_manager list;
# don't allow shell to access GateKeeper service
# TODO: why is this so broad? Tightening candidate? It needs at list:
# - dumpstate_service (so it can receive dumpstate progress updates)
allow shell { service_manager_type -gatekeeper_service -netd_service}:service_manager find;
allow shell { service_manager_type -gatekeeper_service -netd_service -installd_service}:service_manager find;
allow shell dumpstate:binder call;
# allow shell to look through /proc/ for ps, top, netstat

2
public/system_app.te
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@ -50,7 +50,7 @@ allow system_app asec_apk_file:file r_file_perms;
allow system_app servicemanager:service_manager list;
# TODO: scope this down? Too broad?
allow system_app { service_manager_type -netd_service -dumpstate_service }:service_manager find;
allow system_app { service_manager_type -netd_service -dumpstate_service -installd_service }:service_manager find;
allow system_app keystore:keystore_key {
get_state

14
public/system_server.te
View file

@ -155,11 +155,12 @@ binder_call(system_server, hal_power)
binder_call(system_server, hal_thermal)
binder_call(system_server, hal_vibrator)
binder_call(system_server, hal_vr)
binder_call(system_server, binderservicedomain)
binder_call(system_server, gatekeeperd)
binder_call(system_server, fingerprintd)
binder_call(system_server, { appdomain ephemeral_app })
binder_call(system_server, binderservicedomain)
binder_call(system_server, dumpstate)
binder_call(system_server, fingerprintd)
binder_call(system_server, gatekeeperd)
binder_call(system_server, installd)
binder_call(system_server, netd)
binder_call(system_server, wificond)
binder_service(system_server)
@ -455,13 +456,14 @@ allow system_server sysfs_zram:dir search;
allow system_server sysfs_zram:file r_file_perms;
allow system_server audioserver_service:service_manager find;
allow system_server batteryproperties_service:service_manager find;
allow system_server cameraserver_service:service_manager find;
allow system_server drmserver_service:service_manager find;
allow system_server dumpstate_service:service_manager find;
allow system_server batteryproperties_service:service_manager find;
allow system_server keystore_service:service_manager find;
allow system_server gatekeeper_service:service_manager find;
allow system_server fingerprintd_service:service_manager find;
allow system_server gatekeeper_service:service_manager find;
allow system_server installd_service:service_manager find;
allow system_server keystore_service:service_manager find;
allow system_server mediaserver_service:service_manager find;
allow system_server mediaanalytics_service:service_manager find;
allow system_server mediaextractor_service:service_manager find;