## <summary>Desktop messaging bus</summary>
########################################
## <summary>
## DBUS stub interface. No access allowed.
## </summary>
## <param name="domain" unused="true">
## <summary>
## Domain allowed access
## </summary>
## </param>
#
interface(`dbus_stub',`
gen_require(`
type system_dbusd_t;
class dbus all_dbus_perms;
')
')
########################################
## <summary>
## Role access for dbus
## </summary>
## <param name="role_prefix">
## <summary>
## The prefix of the user role (e.g., user
## is the prefix for user_r).
## </summary>
## </param>
## <param name="role">
## <summary>
## Role allowed access
## </summary>
## </param>
## <param name="domain">
## <summary>
## User domain for the role
## </summary>
## </param>
#
template(`dbus_role_template',`
gen_require(`
class dbus { send_msg acquire_svc };
attribute dbusd_unconfined, session_bus_type;
type system_dbusd_t, session_dbusd_tmp_t, dbusd_exec_t, dbusd_etc_t;
type $1_t;
')
##############################
#
# Delcarations
#
type $1_dbusd_t, session_bus_type;
application_domain($1_dbusd_t, dbusd_exec_t)
ubac_constrained($1_dbusd_t)
role $2 types $1_dbusd_t;
kernel_read_system_state($1_dbusd_t)
selinux_get_fs_mount($1_dbusd_t)
userdom_home_manager($1_dbusd_t)
##############################
#
# Local policy
#
# For connecting to the bus
allow $3 $1_dbusd_t:unix_stream_socket connectto;
# SE-DBus specific permissions
allow { dbusd_unconfined $3 } $1_dbusd_t:dbus { send_msg acquire_svc };
allow $3 system_dbusd_t:dbus { send_msg acquire_svc };
domtrans_pattern($3, dbusd_exec_t, $1_dbusd_t)
ps_process_pattern($3, $1_dbusd_t)
allow $3 $1_dbusd_t:process signal_perms;
tunable_policy(`deny_ptrace',`',`
allow $3 $1_dbusd_t:process ptrace;
')
# cjp: this seems very broken
corecmd_bin_domtrans($1_dbusd_t, $1_t)
corecmd_shell_domtrans($1_dbusd_t, $1_t)
allow $1_dbusd_t $3:process sigkill;
allow $3 $1_dbusd_t:fd use;
allow $3 $1_dbusd_t:fifo_file rw_fifo_file_perms;
auth_use_nsswitch($1_dbusd_t)
logging_send_syslog_msg($1_dbusd_t)
')
#######################################
## <summary>
## Template for creating connections to
## the system DBUS.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`dbus_system_bus_client',`
gen_require(`
type system_dbusd_t, system_dbusd_t;
type system_dbusd_var_run_t, system_dbusd_var_lib_t;
class dbus send_msg;
attribute dbusd_unconfined;
')
# SE-DBus specific permissions
allow $1 { system_dbusd_t self }:dbus send_msg;
allow { system_dbusd_t dbusd_unconfined } $1:dbus send_msg;
read_files_pattern($1, system_dbusd_var_lib_t, system_dbusd_var_lib_t)
files_search_var_lib($1)
# For connecting to the bus
files_search_pids($1)
stream_connect_pattern($1, system_dbusd_var_run_t, system_dbusd_var_run_t, system_dbusd_t)
dbus_read_config($1)
')
#######################################
## <summary>
## Creating connections to specified
## DBUS sessions.
## </summary>
## <param name="role_prefix">
## <summary>
## The prefix of the user role (e.g., user
## is the prefix for user_r).
## </summary>
## </param>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`dbus_session_client',`
gen_require(`
class dbus send_msg;
type $1_dbusd_t;
')
allow $2 $1_dbusd_t:fd use;
allow $2 { $1_dbusd_t self }:dbus send_msg;
allow $2 $1_dbusd_t:unix_stream_socket connectto;
')
#######################################
## <summary>
## Template for creating connections to
## a user DBUS.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`dbus_session_bus_client',`
gen_require(`
attribute session_bus_type;
class dbus send_msg;
')
# SE-DBus specific permissions
allow $1 { session_bus_type self }:dbus send_msg;
# For connecting to the bus
allow $1 session_bus_type:unix_stream_socket connectto;
allow session_bus_type $1:process sigkill;
')
########################################
## <summary>
## Send a message the session DBUS.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`dbus_send_session_bus',`
gen_require(`
attribute session_bus_type;
class dbus send_msg;
')
allow $1 session_bus_type:dbus send_msg;
')
########################################
## <summary>
## Read dbus configuration.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`dbus_read_config',`
gen_require(`
type dbusd_etc_t;
')
allow $1 dbusd_etc_t:dir list_dir_perms;
allow $1 dbusd_etc_t:file read_file_perms;
')
########################################
## <summary>
## Read system dbus lib files.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`dbus_read_lib_files',`
gen_require(`
type system_dbusd_var_lib_t;
')
files_search_var_lib($1)
read_files_pattern($1, system_dbusd_var_lib_t, system_dbusd_var_lib_t)
')
########################################
## <summary>
## Create, read, write, and delete
## system dbus lib files.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`dbus_manage_lib_files',`
gen_require(`
type system_dbusd_var_lib_t;
')
files_search_var_lib($1)
manage_files_pattern($1, system_dbusd_var_lib_t, system_dbusd_var_lib_t)
')
########################################
## <summary>
## Connect to the system DBUS
## for service (acquire_svc).
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`dbus_connect_session_bus',`
gen_require(`
attribute session_bus_type;
class dbus acquire_svc;
')
allow $1 session_bus_type:dbus acquire_svc;
')
########################################
## <summary>
## Allow a application domain to be started
## by the session dbus.
## </summary>
## <param name="domain_prefix">
## <summary>
## User domain prefix to be used.
## </summary>
## </param>
## <param name="domain">
## <summary>
## Type to be used as a domain.
## </summary>
## </param>
## <param name="entry_point">
## <summary>
## Type of the program to be used as an
## entry point to this domain.
## </summary>
## </param>
#
interface(`dbus_session_domain',`
gen_require(`
type $1_dbusd_t;
')
domtrans_pattern($1_dbusd_t, $2, $3)
dbus_session_bus_client($3)
dbus_connect_session_bus($3)
')
########################################
## <summary>
## Connect to the system DBUS
## for service (acquire_svc).
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`dbus_connect_system_bus',`
gen_require(`
type system_dbusd_t;
class dbus acquire_svc;
')
allow $1 system_dbusd_t:dbus acquire_svc;
')
########################################
## <summary>
## Send a message on the system DBUS.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`dbus_send_system_bus',`
gen_require(`
type system_dbusd_t;
class dbus send_msg;
')
allow $1 system_dbusd_t:dbus send_msg;
')
########################################
## <summary>
## Allow unconfined access to the system DBUS.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`dbus_system_bus_unconfined',`
gen_require(`
type system_dbusd_t;
class dbus all_dbus_perms;
')
allow $1 system_dbusd_t:dbus *;
')
########################################
## <summary>
## Create a domain for processes
## which can be started by the system dbus
## </summary>
## <param name="domain">
## <summary>
## Type to be used as a domain.
## </summary>
## </param>
## <param name="entry_point">
## <summary>
## Type of the program to be used as an entry point to this domain.
## </summary>
## </param>
#
interface(`dbus_system_domain',`
gen_require(`
attribute system_bus_type;
type system_dbusd_t;
role system_r;
')
typeattribute $1 system_bus_type;
domain_type($1)
domain_entry_file($1, $2)
domtrans_pattern(system_dbusd_t, $2, $1)
')
########################################
## <summary>
## Use and inherit system DBUS file descriptors.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`dbus_use_system_bus_fds',`
gen_require(`
type system_dbusd_t;
')
allow $1 system_dbusd_t:fd use;
')
########################################
## <summary>
## Allow unconfined access to the system DBUS.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`dbus_unconfined',`
gen_require(`
attribute dbusd_unconfined;
')
typeattribute $1 dbusd_unconfined;
')
########################################
## <summary>
## Delete all dbus pid files
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`dbus_delete_pid_files',`
gen_require(`
type system_dbusd_var_run_t;
')
files_search_pids($1)
delete_files_pattern($1, system_dbusd_var_run_t, system_dbusd_var_run_t)
')
########################################
## <summary>
## Do not audit attempts to connect to
## session bus types with a unix
## stream socket.
## </summary>
## <param name="domain">
## <summary>
## Domain to not audit.
## </summary>
## </param>
#
interface(`dbus_dontaudit_stream_connect_session_bus',`
gen_require(`
attribute session_bus_type;
')
dontaudit $1 session_bus_type:unix_stream_socket connectto;
')
########################################
## <summary>
## Do not audit attempts to send dbus
## messages to session bus types.
## </summary>
## <param name="domain">
## <summary>
## Domain to not audit.
## </summary>
## </param>
#
interface(`dbus_dontaudit_chat_session_bus',`
gen_require(`
attribute session_bus_type;
class dbus send_msg;
')
dontaudit $1 session_bus_type:dbus send_msg;
')