e6ad1f2e4c
Give lpdump read (but not write) access to /metadata/ota so it can call SnapshotManager::Dump for diagnostics. Bug: 291083311 Test: lpdump Change-Id: I732bcebcd809449c86254ea23785dc2c692bedd5
47 lines
1.3 KiB
Text
47 lines
1.3 KiB
Text
type lpdumpd, domain, coredomain;
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type lpdumpd_exec, system_file_type, exec_type, file_type;
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init_daemon_domain(lpdumpd)
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# Allow lpdumpd to register itself as a service.
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binder_use(lpdumpd)
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add_service(lpdumpd, lpdump_service)
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# Allow lpdumpd to find the super partition block device.
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allow lpdumpd block_device:dir r_dir_perms;
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# Allow lpdumpd to read super partition metadata.
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allow lpdumpd super_block_device_type:blk_file r_file_perms;
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# Allow lpdumpd to read fstab.
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allow lpdumpd sysfs_dt_firmware_android:dir r_dir_perms;
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allow lpdumpd sysfs_dt_firmware_android:file r_file_perms;
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read_fstab(lpdumpd)
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# Allow to get A/B slot suffix from device tree or kernel cmdline.
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r_dir_file(lpdumpd, sysfs_dt_firmware_android);
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allow lpdumpd proc_cmdline:file r_file_perms;
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# Allow reading Virtual A/B status information.
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get_prop(lpdumpd, virtual_ab_prop)
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allow lpdumpd metadata_file:dir search;
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allow lpdumpd ota_metadata_file:dir { r_dir_perms lock };
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allow lpdumpd ota_metadata_file:file r_file_perms;
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### Neverallow rules
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# Disallow other domains to get lpdump_service and call lpdumpd.
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neverallow {
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domain
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-dumpstate
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-lpdumpd
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-shell
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} lpdump_service:service_manager find;
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neverallow {
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domain
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-dumpstate
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-lpdumpd
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-shell
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-servicemanager
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} lpdumpd:binder call;
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