diff --git a/private/logd.te b/private/logd.te index 35117d043d09ce6d2ca739a556dc88a1d88eb4bb..aea6654c87998c49776c3b5b65b6a481005d6cdd 100644 --- a/private/logd.te +++ b/private/logd.te @@ -9,7 +9,7 @@ neverallow logd { file_type -logd_tmpfs -runtime_event_log_tags_file - userdebug_or_eng(`-coredump_file') + userdebug_or_eng(`-coredump_file -misc_logd_file') }:file { create write append }; # protect the event-log-tags file @@ -18,6 +18,7 @@ neverallow { -appdomain # covered below -bootstat -dumpstate + -init -logd userdebug_or_eng(`-logpersist') -servicemanager diff --git a/private/logpersist.te b/private/logpersist.te index 5f4da0e4221c41ce587a3e3cf42b688e0c6327b7..dbace693ce41e7d026e789f259279a0677be25b4 100644 --- a/private/logpersist.te +++ b/private/logpersist.te @@ -18,5 +18,5 @@ userdebug_or_eng(` # logpersist is allowed to write to /data/misc/log for userdebug and eng builds neverallow logpersist { file_type userdebug_or_eng(`-misc_logd_file -coredump_file') }:file { create write append }; -neverallow { domain userdebug_or_eng(`-logpersist -dumpstate') } misc_logd_file:file no_rw_file_perms; -neverallow { domain userdebug_or_eng(`-logpersist') } misc_logd_file:dir { add_name link relabelfrom remove_name rename reparent rmdir write }; +neverallow { domain -init userdebug_or_eng(`-logpersist -logd -dumpstate') } misc_logd_file:file no_rw_file_perms; +neverallow { domain -init userdebug_or_eng(`-logpersist -logd') } misc_logd_file:dir { add_name link relabelfrom remove_name rename reparent rmdir write }; diff --git a/public/init.te b/public/init.te index 4b29891a763d0d1dbcde0f23fcfd0240a3b52603..debdc398a1b669e3acc25e032f9e0440eb5e1714 100644 --- a/public/init.te +++ b/public/init.te @@ -17,6 +17,9 @@ allow init kmsg_device:chr_file { write relabelto }; allow init properties_device:dir relabelto; allow init properties_serial:file { write relabelto }; allow init property_type:file { create_file_perms relabelto }; +# /dev/event-log-tags +allow init device:file relabelfrom; +allow init runtime_event_log_tags_file:file { open write setattr relabelto }; # /dev/socket allow init { device socket_device }:dir relabelto; # /dev/random, /dev/urandom @@ -233,8 +236,8 @@ allow init sysfs_type:file rw_file_perms; # Init will create /data/misc/logd when the property persist.logd.logpersistd is "logcatd". # Init will also walk through the directory as part of a recursive restorecon. -allow init misc_logd_file:dir { open create read getattr setattr search }; -allow init misc_logd_file:file { getattr }; +allow init misc_logd_file:dir { add_name open create read getattr setattr search write }; +allow init misc_logd_file:file { open create getattr setattr write }; # Support "adb shell stop" allow init self:capability kill; diff --git a/public/logd.te b/public/logd.te index 5defed5ab39a1ecf3d8b272dafca6ef84fc23eb9..62bff9739669d93285384bf45aec7bf382edb37c 100644 --- a/public/logd.te +++ b/public/logd.te @@ -14,6 +14,14 @@ allow logd self:netlink_audit_socket { create_socket_perms_no_ioctl nlmsg_write allow logd kernel:system syslog_read; allow logd kmsg_device:chr_file w_file_perms; allow logd system_data_file:{ file lnk_file } r_file_perms; +allow logd pstorefs:dir search; +allow logd pstorefs:file r_file_perms; +userdebug_or_eng(` + # Access to /data/misc/logd/event-log-tags + allow logd misc_logd_file:dir r_dir_perms; + allow logd misc_logd_file:file rw_file_perms; +') +allow logd runtime_event_log_tags_file:file rw_file_perms; # Access device logging gating property get_prop(logd, device_logging_prop) @@ -58,4 +66,8 @@ neverallow { domain -init } logd:process transition; neverallow * logd:process dyntransition; # protect the event-log-tags file -neverallow * runtime_event_log_tags_file:file no_w_file_perms; +neverallow { + domain + -init + -logd +} runtime_event_log_tags_file:file no_w_file_perms;