This is the policy for the Reliability, Availability, and Servicability daemon. It's designed to extract and log information on hardware events on server hardware. Signed-off-by: Russell Coker <russell@xxxxxxxxxxxx> Index: refpolicy-2.20220217/policy/modules/kernel/filesystem.if =================================================================== --- refpolicy-2.20220217.orig/policy/modules/kernel/filesystem.if +++ refpolicy-2.20220217/policy/modules/kernel/filesystem.if @@ -5485,6 +5485,43 @@ interface(`fs_getattr_tracefs_files',` ######################################## ## <summary> +## Read/write trace filesystem files +## </summary> +## <param name="domain"> +## <summary> +## Domain allowed access. +## </summary> +## </param> +# +interface(`fs_write_tracefs_files',` + gen_require(` + type tracefs_t; + ') + + allow $1 tracefs_t:dir list_dir_perms; + allow $1 tracefs_t:file rw_file_perms; +') + +######################################## +## <summary> +## create trace filesystem directories +## </summary> +## <param name="domain"> +## <summary> +## Domain allowed access. +## </summary> +## </param> +# +interface(`fs_create_tracefs_dirs',` + gen_require(` + type tracefs_t; + ') + + allow $1 tracefs_t:dir { create rw_dir_perms }; +') + +######################################## +## <summary> ## Mount a XENFS filesystem. ## </summary> ## <param name="domain"> Index: refpolicy-2.20220217/policy/modules/services/rasdaemon.fc =================================================================== --- /dev/null +++ refpolicy-2.20220217/policy/modules/services/rasdaemon.fc @@ -0,0 +1,3 @@ +/usr/sbin/rasdaemon -- gen_context(system_u:object_r:rasdaemon_exec_t,s0) +/var/lib/rasdaemon(/.*)? gen_context(system_u:object_r:rasdaemon_var_t,s0) + Index: refpolicy-2.20220217/policy/modules/services/rasdaemon.if =================================================================== --- /dev/null +++ refpolicy-2.20220217/policy/modules/services/rasdaemon.if @@ -0,0 +1 @@ +## <summary></summary> Index: refpolicy-2.20220217/policy/modules/services/rasdaemon.te =================================================================== --- /dev/null +++ refpolicy-2.20220217/policy/modules/services/rasdaemon.te @@ -0,0 +1,50 @@ +policy_module(rasdaemon, 1.0.0) + +# rasdaemon is a RAS (Reliability, Availability and Serviceability) logging +# tool. It currently records memory errors, using the EDAC tracing events. +# EDAC are drivers in the Linux kernel that handle detection of ECC errors +# from memory controllers for most chipsets on x86 and ARM architectures. +# +# https://git.infradead.org/users/mchehab/rasdaemon.git + +######################################## +# +# Declarations +# + +type rasdaemon_t; +type rasdaemon_exec_t; +init_daemon_domain(rasdaemon_t, rasdaemon_exec_t) + +type rasdaemon_var_t; +files_type(rasdaemon_var_t) + +######################################## +# +# Local policy +# + +allow rasdaemon_t self:unix_dgram_socket create_socket_perms; + +# confidentiality for tracefs and integrity for debugfs +allow rasdaemon_t self:lockdown { confidentiality integrity }; + +allow rasdaemon_t rasdaemon_var_t:dir manage_dir_perms; +allow rasdaemon_t rasdaemon_var_t:file manage_file_perms; + +kernel_read_debugfs(rasdaemon_t) +kernel_read_system_state(rasdaemon_t) +kernel_read_vm_overcommit_sysctl(rasdaemon_t) +kernel_search_fs_sysctls(rasdaemon_t) + +dev_list_sysfs(rasdaemon_t) +dev_read_urand(rasdaemon_t) + +files_read_etc_symlinks(rasdaemon_t) +files_search_var_lib(rasdaemon_t) +fs_write_tracefs_files(rasdaemon_t) +fs_create_tracefs_dirs(rasdaemon_t) + +logging_send_syslog_msg(rasdaemon_t) +miscfiles_read_localization(rasdaemon_t) +