selinux-policy/policy/modules/services/dbus.if

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## <summary>Desktop messaging bus</summary>
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########################################
## <summary>
## DBUS stub interface. No access allowed.
## </summary>
## <param name="domain" optional="true">
## <summary>
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## N/A
## </summary>
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## </param>
#
interface(`dbus_stub',`
gen_require(`
type system_dbusd_t;
class dbus all_dbus_perms;
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')
')
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#######################################
## <summary>
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## The per role template for the dbus module.
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## </summary>
## <desc>
## <p>
## This template creates a derived domain which is
## used for the user dbus.
## </p>
## <p>
## This template is invoked automatically for each user, and
## generally does not need to be invoked directly
## by policy writers.
## </p>
## </desc>
## <param name="userdomain_prefix">
## <summary>
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## The prefix of the user domain (e.g., user
## is the prefix for user_t).
## </summary>
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## </param>
## <param name="user_domain">
## <summary>
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## The type of the user domain.
## </summary>
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## </param>
## <param name="user_role">
## <summary>
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## The role associated with the user domain.
## </summary>
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## </param>
#
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template(`dbus_per_role_template',`
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gen_require(`
type system_dbusd_exec_t, system_dbusd_t, dbusd_etc_t;
class dbus { send_msg acquire_svc };
')
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##############################
#
# Delcarations
#
type $1_dbusd_t;
domain_type($1_dbusd_t)
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domain_entry_file($1_dbusd_t,system_dbusd_exec_t)
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role $3 types $1_dbusd_t;
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type $1_dbusd_$1_t;
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type $1_dbusd_tmp_t;
files_tmp_file($1_dbusd_tmp_t)
##############################
#
# Local policy
#
allow $1_dbusd_t self:process { getattr sigkill signal };
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dontaudit $1_dbusd_t self:process ptrace;
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allow $1_dbusd_t self:file { getattr read write };
allow $1_dbusd_t self:fifo_file rw_fifo_file_perms;
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allow $1_dbusd_t self:dbus { send_msg acquire_svc };
allow $1_dbusd_t self:unix_stream_socket create_stream_socket_perms;
allow $1_dbusd_t self:unix_dgram_socket create_socket_perms;
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allow $1_dbusd_t self:tcp_socket create_stream_socket_perms;
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allow $1_dbusd_t self:netlink_selinux_socket create_socket_perms;
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# For connecting to the bus
allow $2 $1_dbusd_t:unix_stream_socket connectto;
type_change $2 $1_dbusd_t:dbus $1_dbusd_$1_t;
# SE-DBus specific permissions
allow $1_dbusd_$1_t { $1_dbusd_t self }:dbus send_msg;
allow $2 $1_dbusd_t:dbus { send_msg acquire_svc };
allow $1_t system_dbusd_t:dbus { send_msg acquire_svc };
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allow $1_dbusd_t dbusd_etc_t:dir list_dir_perms;
read_files_pattern($1_dbusd_t,dbusd_etc_t,dbusd_etc_t)
read_lnk_files_pattern($1_dbusd_t,dbusd_etc_t,dbusd_etc_t)
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manage_dirs_pattern($1_dbusd_t,$1_dbusd_tmp_t,$1_dbusd_tmp_t)
manage_files_pattern($1_dbusd_t,$1_dbusd_tmp_t,$1_dbusd_tmp_t)
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files_tmp_filetrans($1_dbusd_t, $1_dbusd_tmp_t, { file dir })
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domtrans_pattern($2, system_dbusd_exec_t, $1_dbusd_t)
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allow $2 $1_dbusd_t:process { sigkill signal };
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# cjp: this seems very broken
corecmd_bin_domtrans($1_dbusd_t, $2)
allow $1_dbusd_t $2:process sigkill;
allow $2 $1_dbusd_t:fd use;
allow $2 $1_dbusd_t:fifo_file rw_fifo_file_perms;
allow $2 $1_dbusd_t:process sigchld;
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kernel_read_system_state($1_dbusd_t)
kernel_read_kernel_sysctls($1_dbusd_t)
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corecmd_list_bin($1_dbusd_t)
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corecmd_read_bin_symlinks($1_dbusd_t)
corecmd_read_bin_files($1_dbusd_t)
corecmd_read_bin_pipes($1_dbusd_t)
corecmd_read_bin_sockets($1_dbusd_t)
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corenet_all_recvfrom_unlabeled($1_dbusd_t)
corenet_all_recvfrom_netlabel($1_dbusd_t)
corenet_tcp_sendrecv_all_if($1_dbusd_t)
corenet_tcp_sendrecv_all_nodes($1_dbusd_t)
corenet_tcp_sendrecv_all_ports($1_dbusd_t)
corenet_tcp_bind_all_nodes($1_dbusd_t)
corenet_tcp_bind_reserved_port($1_dbusd_t)
dev_read_urand($1_dbusd_t)
domain_use_interactive_fds($1_dbusd_t)
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files_read_etc_files($1_dbusd_t)
files_list_home($1_dbusd_t)
files_read_usr_files($1_dbusd_t)
files_dontaudit_search_var($1_dbusd_t)
fs_getattr_romfs($1_dbusd_t)
fs_getattr_xattr_fs($1_dbusd_t)
selinux_get_fs_mount($1_dbusd_t)
selinux_validate_context($1_dbusd_t)
selinux_compute_access_vector($1_dbusd_t)
selinux_compute_create_context($1_dbusd_t)
selinux_compute_relabel_context($1_dbusd_t)
selinux_compute_user_contexts($1_dbusd_t)
auth_read_pam_console_data($1_dbusd_t)
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libs_use_ld_so($1_dbusd_t)
libs_use_shared_libs($1_dbusd_t)
logging_send_audit_msgs($1_dbusd_t)
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logging_send_syslog_msg($1_dbusd_t)
miscfiles_read_localization($1_dbusd_t)
seutil_read_config($1_dbusd_t)
seutil_read_default_contexts($1_dbusd_t)
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sysnet_read_config($1_dbusd_t)
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userdom_read_user_home_content_files($1, $1_dbusd_t)
ifdef(`hide_broken_symptoms', `
dontaudit $2 $1_dbusd_t:netlink_selinux_socket { read write };
')
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tunable_policy(`read_default_t',`
files_list_default($1_dbusd_t)
files_read_default_files($1_dbusd_t)
files_read_default_symlinks($1_dbusd_t)
files_read_default_sockets($1_dbusd_t)
files_read_default_pipes($1_dbusd_t)
')
optional_policy(`
hal_dbus_chat($1_dbusd_t)
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')
optional_policy(`
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nscd_socket_use($1_dbusd_t)
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')
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optional_policy(`
xserver_use_xdm_fds($1_dbusd_t)
xserver_rw_xdm_pipes($1_dbusd_t)
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')
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')
#######################################
## <summary>
## Template for creating connections to
## the system DBUS.
## </summary>
## <param name="domain_prefix">
## <summary>
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## The prefix of the domain (e.g., user
## is the prefix for user_t).
## </summary>
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## </param>
## <param name="domain">
## <summary>
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## The type of the domain.
## </summary>
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## </param>
#
template(`dbus_system_bus_client_template',`
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gen_require(`
type system_dbusd_t, system_dbusd_t;
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type system_dbusd_var_run_t, system_dbusd_var_lib_t;
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class dbus send_msg;
')
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type $1_dbusd_system_t;
type_change $2 system_dbusd_t:dbus $1_dbusd_system_t;
# SE-DBus specific permissions
allow $1_dbusd_system_t { system_dbusd_t self }:dbus send_msg;
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read_files_pattern($2, system_dbusd_var_lib_t, system_dbusd_var_lib_t)
files_search_var_lib($2)
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# For connecting to the bus
files_search_pids($2)
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stream_connect_pattern($2,system_dbusd_var_run_t,system_dbusd_var_run_t,system_dbusd_t)
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dbus_read_config($2)
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')
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#######################################
## <summary>
## Template for creating connections to
## a user DBUS.
## </summary>
## <param name="user_prefix">
## <summary>
## The prefix of the domain (e.g., user
## is the prefix for user_t).
## </summary>
## </param>
## <param name="domain_prefix">
## <summary>
## The prefix of the domain (e.g., user
## is the prefix for user_t).
## </summary>
## </param>
## <param name="domain">
## <summary>
## The type of the domain.
## </summary>
## </param>
#
template(`dbus_user_bus_client_template',`
gen_require(`
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type $1_dbusd_t;
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class dbus send_msg;
')
type $2_dbusd_$1_t;
type_change $3 $1_dbusd_t:dbus $2_dbusd_$1_t;
# SE-DBus specific permissions
allow $2_dbusd_$1_t { $1_dbusd_t self }:dbus send_msg;
# For connecting to the bus
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allow $3 $1_dbusd_t:unix_stream_socket connectto;
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')
########################################
## <summary>
## Send a message on user/application specific DBUS.
## </summary>
## <param name="domain_prefix">
## <summary>
## The prefix of the domain (e.g., user
## is the prefix for user_t).
## </summary>
## </param>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
template(`dbus_send_user_bus',`
gen_require(`
type $1_dbusd_t;
class dbus send_msg;
')
allow $2 $1_dbusd_t:dbus send_msg;
')
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########################################
## <summary>
## Read dbus configuration.
## </summary>
## <param name="domain">
## <summary>
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## Domain allowed access.
## </summary>
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## </param>
#
interface(`dbus_read_config',`
gen_require(`
type dbusd_etc_t;
')
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allow $1 dbusd_etc_t:dir list_dir_perms;
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allow $1 dbusd_etc_t:file read_file_perms;
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')
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########################################
## <summary>
## Connect to the the system DBUS
## for service (acquire_svc).
## </summary>
## <param name="domain">
## <summary>
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## Domain allowed access.
## </summary>
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## </param>
#
interface(`dbus_connect_system_bus',`
gen_require(`
type system_dbusd_t;
class dbus acquire_svc;
')
allow $1 system_dbusd_t:dbus acquire_svc;
')
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########################################
## <summary>
## Send a message on the system DBUS.
## </summary>
## <param name="domain">
## <summary>
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## Domain allowed access.
## </summary>
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## </param>
#
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interface(`dbus_send_system_bus',`
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gen_require(`
type system_dbusd_t;
class dbus send_msg;
')
allow $1 system_dbusd_t:dbus send_msg;
')
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########################################
## <summary>
## Allow unconfined access to the system DBUS.
## </summary>
## <param name="domain">
## <summary>
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## Domain allowed access.
## </summary>
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## </param>
#
interface(`dbus_system_bus_unconfined',`
gen_require(`
type system_dbusd_t;
class dbus all_dbus_perms;
')
allow $1 system_dbusd_t:dbus *;
')