platform_system_sepolicy/private/mediaprovider.te
Krzysztof Kosiński a04ecbfd3e Allow mediaprovider to find the camera server.
Fixed SELinux denials when trying to render the camera preview
to a texture in an internal test app. See the bug for additional
information.

Bug: 183749637
Test: Ran the internal test app, doesn't crash anymore.
Change-Id: I8fb62be424cd91c46cada55bb23db1624707997d
2021-04-14 18:41:28 -07:00

48 lines
1.8 KiB
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###
### A domain for android.process.media, which contains both
### MediaProvider and DownloadProvider and associated services.
###
typeattribute mediaprovider coredomain;
app_domain(mediaprovider)
# DownloadProvider accesses the network.
net_domain(mediaprovider)
# DownloadProvider uses /cache.
allow mediaprovider cache_file:dir create_dir_perms;
allow mediaprovider cache_file:file create_file_perms;
# /cache is a symlink to /data/cache on some devices. Allow reading the link.
allow mediaprovider cache_file:lnk_file r_file_perms;
# mediaprovider searches through /cache looking for orphans
# Ignore denials to /cache/recovery and /cache/backup.
dontaudit mediaprovider cache_private_backup_file:dir getattr;
dontaudit mediaprovider cache_recovery_file:dir getattr;
# Access external sdcards through /mnt/media_rw
allow mediaprovider { mnt_media_rw_file }:dir search;
allow mediaprovider app_api_service:service_manager find;
allow mediaprovider audioserver_service:service_manager find;
allow mediaprovider cameraserver_service:service_manager find;
allow mediaprovider drmserver_service:service_manager find;
allow mediaprovider mediaextractor_service:service_manager find;
allow mediaprovider mediaserver_service:service_manager find;
# Allow MediaProvider to read/write cached ringtones (opened by system).
allow mediaprovider ringtone_file:file { getattr read write };
# MtpServer uses /dev/mtp_usb
allow mediaprovider mtp_device:chr_file rw_file_perms;
# MtpServer uses /dev/usb-ffs/mtp
allow mediaprovider functionfs:dir search;
allow mediaprovider functionfs:file rw_file_perms;
allowxperm mediaprovider functionfs:file ioctl FUNCTIONFS_ENDPOINT_DESC;
# MtpServer sets sys.usb.ffs.mtp.ready
get_prop(mediaprovider, ffs_config_prop)
set_prop(mediaprovider, ffs_control_prop)
# DownloadManager may retrieve DRM status
get_prop(mediaprovider, drm_service_config_prop)