policy_module(mcelog, 1.1.2)

########################################
#
# Declarations
#

## <desc>
## <p>
## Allow mcelog to run in client mode.
## Required to run mcelog in client
## mode.
## </p>
## </desc>
gen_tunable(mcelog_client, false)

## <desc>
## <p>
## Allow mcelog to execute scripts.
## Required to execute optional triggers
## and/or local scripts.
## </p>
## </desc>
gen_tunable(mcelog_exec_scripts, true)

## <desc>
## <p>
## Allow mcelog to use all the user ttys.
## Required in foreground mode and to
## print out usage and version information.
## </p>
## </desc>
gen_tunable(mcelog_foreground, false)

## <desc>
## <p>
## Allow mcelog to run a server.
## Required to enable the optional configurable
## Unix stream socket server functionality.
## </p>
## </desc>
gen_tunable(mcelog_server, false)

## <desc>
## <p>
## Allow mcelog to use syslog.
## Required to use the configurable
## syslog option.
## </p>
## </desc>
gen_tunable(mcelog_syslog, false)

type mcelog_t;
type mcelog_exec_t;
init_daemon_domain(mcelog_t, mcelog_exec_t)

type mcelog_initrc_exec_t;
init_script_file(mcelog_initrc_exec_t)

type mcelog_etc_t;
files_config_file(mcelog_etc_t)

type mcelog_log_t;
logging_log_file(mcelog_log_t)

type mcelog_var_run_t;
files_pid_file(mcelog_var_run_t)

########################################
#
# mcelog local policy
#

allow mcelog_t self:capability sys_admin;
allow mcelog_t self:unix_stream_socket connected_socket_perms;
allow mcelog_t mcelog_etc_t:dir list_dir_perms;

read_files_pattern(mcelog_t, mcelog_etc_t, mcelog_etc_t)

# manage a logfile in a generic or private log directory
manage_dirs_pattern(mcelog_t, mcelog_log_t, mcelog_log_t)
manage_files_pattern(mcelog_t, mcelog_log_t, mcelog_log_t)
logging_log_filetrans(mcelog_t, mcelog_log_t, file)

manage_files_pattern(mcelog_t, mcelog_var_run_t, mcelog_var_run_t)
manage_sock_files_pattern(mcelog_t, mcelog_var_run_t, mcelog_var_run_t)
files_pid_filetrans(mcelog_t, mcelog_var_run_t, { file sock_file })

kernel_read_system_state(mcelog_t)

dev_read_raw_memory(mcelog_t)
dev_read_kmsg(mcelog_t)
dev_rw_sysfs(mcelog_t)

files_read_etc_files(mcelog_t)

# for /dev/mem access
mls_file_read_all_levels(mcelog_t)

locallogin_use_fds(mcelog_t)

miscfiles_read_localization(mcelog_t)

# needed in client-mode
tunable_policy(`mcelog_client',`
	allow mcelog_t self:unix_stream_socket connectto;
')

# required for executing optional triggers and scripts
tunable_policy(`mcelog_exec_scripts',`
	allow mcelog_t self:fifo_file { read getattr write };
	corecmd_exec_bin(mcelog_t)
	corecmd_exec_shell(mcelog_t)
')

# required for optional foreground mode and
# console output
tunable_policy(`mcelog_foreground',`
	userdom_use_user_terminals(mcelog_t)
')

# required for the optional server functionality
tunable_policy(`mcelog_server',`
	allow mcelog_t self:unix_stream_socket { listen accept };
')

# use syslog functionality (optional, configurable)
tunable_policy(`mcelog_syslog',`
	logging_send_syslog_msg(mcelog_t)
')

# optional support for running it as a cron job
optional_policy(`
	cron_system_entry(mcelog_t, mcelog_exec_t)
')