5ee61a7628
microdroid's domains have been able to read/write any properties. That's just for convenience while bringing up microdroid. This cleans up such global permission and grants minimal access. Bug: 194447534 Test: atest MicrodroidHostTestCases ComposHostTestCases Test: run microdroid demo app Change-Id: I09ce1174d4af9c228b788a522a6ab845cafd4505
57 lines
2.2 KiB
Text
57 lines
2.2 KiB
Text
typeattribute ueventd coredomain;
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tmpfs_domain(ueventd)
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# Write to /dev/kmsg.
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allow ueventd kmsg_device:chr_file rw_file_perms;
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allow ueventd self:global_capability_class_set { chown mknod net_admin setgid fsetid sys_rawio dac_override dac_read_search fowner setuid };
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allow ueventd device:file create_file_perms;
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r_dir_file(ueventd, rootfs)
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# ueventd needs write access to files in /sys to regenerate uevents
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allow ueventd sysfs_type:file w_file_perms;
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r_dir_file(ueventd, sysfs_type)
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allow ueventd sysfs_type:{ file lnk_file } { relabelfrom relabelto setattr };
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allow ueventd sysfs_type:dir { relabelfrom relabelto setattr };
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allow ueventd tmpfs:chr_file rw_file_perms;
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allow ueventd dev_type:dir create_dir_perms;
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allow ueventd dev_type:lnk_file { create unlink };
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allow ueventd dev_type:chr_file { getattr create setattr unlink };
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allow ueventd dev_type:blk_file { getattr relabelfrom relabelto create setattr unlink };
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allow ueventd self:netlink_kobject_uevent_socket create_socket_perms_no_ioctl;
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# Get SELinux enforcing status.
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r_dir_file(ueventd, selinuxfs)
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# Access for /vendor/ueventd.rc and /vendor/firmware
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r_dir_file(ueventd, vendor_file_type)
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# Access for /apex/*/firmware
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allow ueventd apex_mnt_dir:dir r_dir_perms;
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# Get file contexts for new device nodes
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allow ueventd file_contexts_file:file r_file_perms;
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# Use setfscreatecon() to label /dev directories and files.
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allow ueventd self:process setfscreate;
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# Allow ueventd to read androidboot.android_dt_dir from kernel cmdline or bootconfig.
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allow ueventd proc_cmdline:file r_file_perms;
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allow ueventd proc_bootconfig:file r_file_perms;
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# ueventd loads modules in response to modalias events.
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allow ueventd self:global_capability_class_set sys_module;
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allow ueventd vendor_file:system module_load;
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allow ueventd kernel:key search;
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# ueventd is using bootstrap bionic
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allow ueventd system_bootstrap_lib_file:dir r_dir_perms;
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allow ueventd system_bootstrap_lib_file:file { execute read open getattr map };
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# TODO(b/193118220): find out why this happens.
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dontaudit ueventd tmpfs:chr_file { relabelfrom setattr };
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# ueventd sets ro.cold_boot_done to signal to init that cold boot has completed.
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set_prop(ueventd, cold_boot_done_prop)
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