PWN-Hunter/android_system_sepolicy
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Revert "Revert "netd: restrict netd binder access to system_server""

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This reverts commit b5594c2781.

Bug: 27239233
Change-Id: I407a2f3a313f3de801080f9bae46f6bac1a803c2
This commit is contained in:
Lorenzo Colitti 2016-03-02 22:57:34 +09:00
parent f723f5f986
commit 9119f12ee3
5 changed files with 10 additions and 5 deletions
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3
domain.te
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@ -38,7 +38,8 @@ userdebug_or_eng(`
allow domain su:fd use; allow domain su:fd use;
allow domain su:unix_stream_socket { getattr getopt read write shutdown }; allow domain su:unix_stream_socket { getattr getopt read write shutdown };
binder_call({ domain -init }, su) allow { domain -init } su:binder { call transfer };
allow { domain -init } su:fd use;
# Running something like "pm dump com.android.bluetooth" requires # Running something like "pm dump com.android.bluetooth" requires
# fifo writes # fifo writes

2
dumpstate.te
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@ -113,7 +113,7 @@ allow dumpstate tombstone_data_file:file r_file_perms;
allow dumpstate cache_recovery_file:dir r_dir_perms; allow dumpstate cache_recovery_file:dir r_dir_perms;
allow dumpstate cache_recovery_file:file r_file_perms; allow dumpstate cache_recovery_file:file r_file_perms;
allow dumpstate { service_manager_type -gatekeeper_service }:service_manager find; allow dumpstate { service_manager_type -gatekeeper_service -netd_service }:service_manager find;
allow dumpstate servicemanager:service_manager list; allow dumpstate servicemanager:service_manager list;
allow dumpstate devpts:chr_file rw_file_perms; allow dumpstate devpts:chr_file rw_file_perms;

6
netd.te
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@ -57,7 +57,6 @@ set_prop(netd, ctl_mdnsd_prop)
# Allow netd to publish a binder service and make binder calls. # Allow netd to publish a binder service and make binder calls.
binder_use(netd) binder_use(netd)
binder_service(netd)
allow netd netd_service:service_manager add; allow netd netd_service:service_manager add;
# Allow netd to call into the system server so it can check permissions. # Allow netd to call into the system server so it can check permissions.
@ -84,3 +83,8 @@ neverallow netd system_file:dir_file_class_set write;
# Write to files in /data/data or system files on /data # Write to files in /data/data or system files on /data
neverallow netd { app_data_file system_data_file }:dir_file_class_set write; neverallow netd { app_data_file system_data_file }:dir_file_class_set write;
# only system_server may interact with netd over binder
neverallow { domain -system_server } netd_service:service_manager find;
neverallow { domain -system_server } netd:binder call;
neverallow netd { domain -system_server -servicemanager userdebug_or_eng(`-su') }:binder call;

2
shell.te
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@ -83,7 +83,7 @@ allow shell kernel:system syslog_read;
# allow shell access to services # allow shell access to services
allow shell servicemanager:service_manager list; allow shell servicemanager:service_manager list;
# don't allow shell to access GateKeeper service # don't allow shell to access GateKeeper service
allow shell { service_manager_type -gatekeeper_service }:service_manager find; allow shell { service_manager_type -gatekeeper_service -netd_service }:service_manager find;
# allow shell to look through /proc/ for ps, top, netstat # allow shell to look through /proc/ for ps, top, netstat
r_dir_file(shell, proc) r_dir_file(shell, proc)

2
system_app.te
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@ -43,7 +43,7 @@ allow system_app anr_data_file:file create_file_perms;
allow system_app asec_apk_file:file r_file_perms; allow system_app asec_apk_file:file r_file_perms;
allow system_app servicemanager:service_manager list; allow system_app servicemanager:service_manager list;
allow system_app service_manager_type:service_manager find; allow system_app { service_manager_type -netd_service }:service_manager find;
allow system_app keystore:keystore_key { allow system_app keystore:keystore_key {
get_state get_state