android_system_sepolicy/debuggerd.te
Nick Kralevich 8aa754c9be Don't allow ptrace on keystore
keystore may hold sensitive information in it's memory. Don't
allow anyone to ptrace keystore.

Change-Id: I4e3717e482b9fd128d38ce687c03122d41678b6f
2014-05-19 21:49:50 -07:00

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# debugger interface
type debuggerd, domain;
type debuggerd_exec, exec_type, file_type;
init_daemon_domain(debuggerd)
typeattribute debuggerd mlstrustedsubject;
allow debuggerd self:capability { dac_override sys_ptrace chown kill fowner };
allow debuggerd self:capability2 { syslog };
allow debuggerd domain:dir r_dir_perms;
allow debuggerd domain:file r_file_perms;
allow debuggerd domain:lnk_file read;
allow debuggerd { domain -init -ueventd -watchdogd -healthd -adbd -keystore }:process ptrace;
security_access_policy(debuggerd)
allow debuggerd system_data_file:dir create_dir_perms;
allow debuggerd system_data_file:dir relabelfrom;
allow debuggerd tombstone_data_file:dir relabelto;
allow debuggerd tombstone_data_file:dir create_dir_perms;
allow debuggerd tombstone_data_file:file create_file_perms;
allow debuggerd domain:process { sigstop signal };
allow debuggerd exec_type:file r_file_perms;
# Access app library
allow debuggerd system_data_file:file open;
# Connect to system_server via /data/system/ndebugsocket.
unix_socket_connect(debuggerd, system_ndebug, system_server)
userdebug_or_eng(`
allow debuggerd input_device:dir r_dir_perms;
allow debuggerd input_device:chr_file rw_file_perms;
')
# logd access
read_logd(debuggerd)