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Commit 596dd09f authored by Nick Kralevich's avatar Nick Kralevich
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domain_deprecated.te: remove auditallow statements on user builds

Make the policy smaller and less noisy on user builds by suppressing
auditallow rules.

Bug: 28760354
Test: policy compiles and device boots. No obvious problems.
Change-Id: Iddf6f12f8ce8838e84b09b2f9f3f0c8b700543f5
parent b59c2016
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...@@ -2,6 +2,7 @@ ...@@ -2,6 +2,7 @@
# Search /storage/emulated tmpfs mount. # Search /storage/emulated tmpfs mount.
allow domain_deprecated tmpfs:dir r_dir_perms; allow domain_deprecated tmpfs:dir r_dir_perms;
userdebug_or_eng(`
auditallow { auditallow {
domain_deprecated domain_deprecated
-appdomain -appdomain
...@@ -11,20 +12,26 @@ auditallow { ...@@ -11,20 +12,26 @@ auditallow {
-vold -vold
-zygote -zygote
} tmpfs:dir r_dir_perms; } tmpfs:dir r_dir_perms;
')
# Inherit or receive open files from others. # Inherit or receive open files from others.
allow domain_deprecated system_server:fd use; allow domain_deprecated system_server:fd use;
userdebug_or_eng(`
auditallow { domain_deprecated -appdomain -netd -surfaceflinger } system_server:fd use; auditallow { domain_deprecated -appdomain -netd -surfaceflinger } system_server:fd use;
')
# Connect to adbd and use a socket transferred from it. # Connect to adbd and use a socket transferred from it.
# This is used for e.g. adb backup/restore. # This is used for e.g. adb backup/restore.
allow domain_deprecated adbd:fd use; allow domain_deprecated adbd:fd use;
userdebug_or_eng(`
auditallow { domain_deprecated -appdomain -system_server } adbd:fd use; auditallow { domain_deprecated -appdomain -system_server } adbd:fd use;
')
# Root fs. # Root fs.
allow domain_deprecated rootfs:dir r_dir_perms; allow domain_deprecated rootfs:dir r_dir_perms;
allow domain_deprecated rootfs:file r_file_perms; allow domain_deprecated rootfs:file r_file_perms;
allow domain_deprecated rootfs:lnk_file r_file_perms; allow domain_deprecated rootfs:lnk_file r_file_perms;
userdebug_or_eng(`
auditallow { auditallow {
domain_deprecated domain_deprecated
-fsck -fsck
...@@ -60,10 +67,12 @@ auditallow { ...@@ -60,10 +67,12 @@ auditallow {
-vold -vold
-zygote -zygote
} rootfs:lnk_file { getattr open ioctl lock }; # read granted in domain } rootfs:lnk_file { getattr open ioctl lock }; # read granted in domain
')
# System file accesses. # System file accesses.
allow domain_deprecated system_file:dir r_dir_perms; allow domain_deprecated system_file:dir r_dir_perms;
allow domain_deprecated system_file:file r_file_perms; allow domain_deprecated system_file:file r_file_perms;
userdebug_or_eng(`
auditallow { auditallow {
domain_deprecated domain_deprecated
-appdomain -appdomain
...@@ -85,10 +94,12 @@ auditallow { ...@@ -85,10 +94,12 @@ auditallow {
-system_server -system_server
-zygote -zygote
} system_file:file { ioctl lock }; # read open getattr in domain } system_file:file { ioctl lock }; # read open getattr in domain
')
# Read files already opened under /data. # Read files already opened under /data.
allow domain_deprecated system_data_file:file { getattr read }; allow domain_deprecated system_data_file:file { getattr read };
allow domain_deprecated system_data_file:lnk_file r_file_perms; allow domain_deprecated system_data_file:lnk_file r_file_perms;
userdebug_or_eng(`
auditallow { auditallow {
domain_deprecated domain_deprecated
-appdomain -appdomain
...@@ -102,11 +113,13 @@ auditallow { ...@@ -102,11 +113,13 @@ auditallow {
-system_server -system_server
-tee -tee
} system_data_file:lnk_file r_file_perms; } system_data_file:lnk_file r_file_perms;
')
# Read apk files under /data/app. # Read apk files under /data/app.
allow domain_deprecated apk_data_file:dir { getattr search }; allow domain_deprecated apk_data_file:dir { getattr search };
allow domain_deprecated apk_data_file:file r_file_perms; allow domain_deprecated apk_data_file:file r_file_perms;
allow domain_deprecated apk_data_file:lnk_file r_file_perms; allow domain_deprecated apk_data_file:lnk_file r_file_perms;
userdebug_or_eng(`
auditallow { auditallow {
domain_deprecated domain_deprecated
-appdomain -appdomain
...@@ -128,11 +141,13 @@ auditallow { ...@@ -128,11 +141,13 @@ auditallow {
-installd -installd
-system_server -system_server
} apk_data_file:lnk_file r_file_perms; } apk_data_file:lnk_file r_file_perms;
')
# Read already opened /cache files. # Read already opened /cache files.
allow domain_deprecated cache_file:dir r_dir_perms; allow domain_deprecated cache_file:dir r_dir_perms;
allow domain_deprecated cache_file:file { getattr read }; allow domain_deprecated cache_file:file { getattr read };
allow domain_deprecated cache_file:lnk_file r_file_perms; allow domain_deprecated cache_file:lnk_file r_file_perms;
userdebug_or_eng(`
auditallow { auditallow {
domain_deprecated domain_deprecated
-system_server -system_server
...@@ -154,20 +169,34 @@ auditallow { ...@@ -154,20 +169,34 @@ auditallow {
-system_server -system_server
-vold -vold
} cache_file:lnk_file r_file_perms; } cache_file:lnk_file r_file_perms;
')
#Allow access to ion memory allocation device # Allow access to ion memory allocation device
allow domain_deprecated ion_device:chr_file rw_file_perms; allow domain_deprecated ion_device:chr_file rw_file_perms;
# split this auditallow into read and write perms since most domains seem to # split this auditallow into read and write perms since most domains seem to
# only require read # only require read
auditallow { domain_deprecated -appdomain -fingerprintd -keystore -surfaceflinger -system_server -tee -vold -zygote } ion_device:chr_file r_file_perms; userdebug_or_eng(`
auditallow {
domain_deprecated
-appdomain
-fingerprintd
-keystore
-surfaceflinger
-system_server
-tee
-vold
-zygote
} ion_device:chr_file r_file_perms;
auditallow domain_deprecated ion_device:chr_file { write append }; auditallow domain_deprecated ion_device:chr_file { write append };
')
# Read access to pseudo filesystems. # Read access to pseudo filesystems.
r_dir_file(domain_deprecated, proc) r_dir_file(domain_deprecated, proc)
r_dir_file(domain_deprecated, sysfs) r_dir_file(domain_deprecated, sysfs)
r_dir_file(domain_deprecated, cgroup) r_dir_file(domain_deprecated, cgroup)
allow domain_deprecated proc_meminfo:file r_file_perms; allow domain_deprecated proc_meminfo:file r_file_perms;
#auditallow domain_deprecated proc:dir r_dir_perms; # r_dir_perms granted in domain
userdebug_or_eng(`
auditallow { auditallow {
domain_deprecated domain_deprecated
-fsck -fsck
...@@ -268,10 +297,12 @@ auditallow { ...@@ -268,10 +297,12 @@ auditallow {
-system_server -system_server
-vold -vold
} proc_meminfo:file r_file_perms; } proc_meminfo:file r_file_perms;
')
# Get SELinux enforcing status. # Get SELinux enforcing status.
allow domain_deprecated selinuxfs:dir r_dir_perms; allow domain_deprecated selinuxfs:dir r_dir_perms;
allow domain_deprecated selinuxfs:file r_file_perms; allow domain_deprecated selinuxfs:file r_file_perms;
userdebug_or_eng(`
auditallow { auditallow {
domain_deprecated domain_deprecated
-appdomain -appdomain
...@@ -296,3 +327,4 @@ auditallow { ...@@ -296,3 +327,4 @@ auditallow {
-ueventd -ueventd
-zygote -zygote
} selinuxfs:file { open read ioctl lock }; # getattr granted in domain } selinuxfs:file { open read ioctl lock }; # getattr granted in domain
')
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