platform_system_sepolicy/debuggerd.te
Andreas Gampe cbfa8ddfb6 Sepolicy: Allow debuggerd to dump backtraces of Bluetooth
Allow to dump traces of the Bluetooth process during ANR
and system-server watchdog dumps.

Bug: 28658141
Change-Id: Ie78bcb25e94e1ed96ccd75f7a35ecb04e7cb2b82
2016-05-12 17:28:34 -07:00

61 lines
1.7 KiB
Text

# debugger interface
type debuggerd, domain, domain_deprecated;
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 setuid setgid };
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
-adbd
-debuggerd
-healthd
-init
-keystore
-ueventd
-watchdogd
}:process { ptrace getattr };
security_access_policy(debuggerd)
allow debuggerd tombstone_data_file:dir rw_dir_perms;
allow debuggerd tombstone_data_file:file create_file_perms;
allow debuggerd shared_relro_file:dir r_dir_perms;
allow debuggerd shared_relro_file:file r_file_perms;
allow debuggerd domain:process { sigstop sigkill signal };
allow debuggerd exec_type:file r_file_perms;
# Access app library
allow debuggerd system_data_file:file open;
# Allow debuggerd to redirect a dump_backtrace request to itself.
# This only happens on 64 bit systems, where all requests go to the 64 bit
# debuggerd and get redirected to the 32 bit debuggerd if the process is 32 bit.
allow debuggerd {
audioserver
bluetooth
cameraserver
drmserver
inputflinger
mediacodec
mediadrmserver
mediaextractor
mediaserver
sdcardd
surfaceflinger
}:debuggerd dump_backtrace;
# 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)
# Check SELinux permissions.
selinux_check_access(debuggerd)