341476d455
To configure readahead for APEX dm-verity devices. Bug: 117823094 Test: apexd can change readahead Change-Id: Ie0396d59ef758ad55f499f65957697d26a48aae9
58 lines
2 KiB
Text
58 lines
2 KiB
Text
typeattribute apexd coredomain;
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init_daemon_domain(apexd)
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# Read /system/etc/security/apex_debug_key
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allow apexd apex_key_file:dir { search getattr };
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allow apexd apex_key_file:file r_file_perms;
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# Allow reading and writing of APEX files in the APEX data dir
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allow apexd apex_data_file:dir rw_dir_perms;
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allow apexd apex_data_file:file rw_file_perms;
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# allow apexd to create loop devices with /dev/loop-control
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allow apexd loop_control_device:chr_file rw_file_perms;
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# allow apexd to access loop devices
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allow apexd loop_device:blk_file rw_file_perms;
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allowxperm apexd loop_device:blk_file ioctl {
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LOOP_GET_STATUS64
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LOOP_SET_STATUS64
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LOOP_SET_FD
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LOOP_SET_BLOCK_SIZE
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LOOP_SET_DIRECT_IO
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LOOP_CLR_FD
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};
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# allow apexd to access /dev/block
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allow apexd block_device:dir r_dir_perms;
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# allow apexd to access /dev/block/dm-* (device-mapper entries)
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allow apexd dm_device:chr_file rw_file_perms;
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allow apexd dm_device:blk_file rw_file_perms;
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# sys_admin is required to access the device-mapper and mount
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allow apexd self:global_capability_class_set sys_admin;
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# allow apexd to create a mount point in /apex
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allow apexd apex_mnt_dir:dir create_dir_perms;
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# allow apexd to mount in /apex
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allow apexd apex_mnt_dir:filesystem { mount unmount };
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allow apexd apex_mnt_dir:dir mounton;
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# allow apexd to create symlinks in /apex
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allow apexd apex_mnt_dir:lnk_file create_file_perms;
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# Unmount and mount filesystems
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allow apexd labeledfs:filesystem { mount unmount };
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# Configure read-ahead of dm-verity devices
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allow apexd sysfs_dm:dir r_dir_perms;
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allow apexd sysfs_dm:file rw_file_perms;
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# Spawning a libbinder thread results in a dac_override deny,
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# /dev/cpuset/tasks is owned by system.
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#
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# See b/35323867#comment3
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dontaudit apexd self:global_capability_class_set { dac_override dac_read_search };
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neverallow { domain -apexd -init } apex_data_file:dir no_w_dir_perms;
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neverallow { domain -apexd -init -kernel } apex_data_file:file no_rw_file_perms;
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neverallow { domain -apexd } apex_mnt_dir:lnk_file no_w_file_perms;
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