53 lines
1.9 KiB
Text
53 lines
1.9 KiB
Text
type keystore, domain, keystore2_key_type;
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type keystore_exec, system_file_type, exec_type, file_type;
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# keystore daemon
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typeattribute keystore mlstrustedsubject;
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binder_use(keystore)
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binder_service(keystore)
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binder_call(keystore, remote_provisioning_service_server)
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binder_call(keystore, system_server)
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binder_call(keystore, wificond)
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allow keystore keystore_data_file:dir create_dir_perms;
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allow keystore keystore_data_file:notdevfile_class_set create_file_perms;
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allow keystore keystore_exec:file { getattr };
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add_service(keystore, keystore_service)
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allow keystore sec_key_att_app_id_provider_service:service_manager find;
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allow keystore dropbox_service:service_manager find;
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allow keystore remote_provisioning_service:service_manager find;
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add_service(keystore, apc_service)
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add_service(keystore, keystore_compat_hal_service)
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add_service(keystore, authorization_service)
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add_service(keystore, keystore_maintenance_service)
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add_service(keystore, keystore_metrics_service)
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add_service(keystore, legacykeystore_service)
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# Check SELinux permissions.
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selinux_check_access(keystore)
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r_dir_file(keystore, cgroup)
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r_dir_file(keystore, cgroup_v2)
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###
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### Neverallow rules
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###
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### Protect ourself from others
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###
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neverallow { domain -keystore } keystore_data_file:dir ~{ open create read getattr setattr search relabelto ioctl };
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neverallow { domain -keystore } keystore_data_file:notdevfile_class_set ~{ relabelto getattr };
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neverallow { domain -keystore -init } keystore_data_file:dir *;
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neverallow { domain -keystore -init } keystore_data_file:notdevfile_class_set *;
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# TODO(b/186868271): Remove the crash dump exception soon-ish (maybe by May 14, 2021?)
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neverallow { domain userdebug_or_eng(`-crash_dump') } keystore:process ptrace;
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# The software KeyMint implementation used in km_compat needs
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# to read the vendor security patch level.
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get_prop(keystore, vendor_security_patch_level_prop);
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# Allow keystore to read its vendor configuration
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get_prop(keystore, keystore_config_prop)
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