diff options
Diffstat (limited to 'policy/modules/contrib/dbus.if')
| -rw-r--r-- | policy/modules/contrib/dbus.if | 507 |
1 files changed, 507 insertions, 0 deletions
diff --git a/policy/modules/contrib/dbus.if b/policy/modules/contrib/dbus.if new file mode 100644 index 000000000..57dd64bfc --- /dev/null +++ b/policy/modules/contrib/dbus.if @@ -0,0 +1,507 @@ +## <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 session_bus_type; + type system_dbusd_t, session_dbusd_tmp_t, dbusd_exec_t, dbusd_etc_t; + ') + + ############################## + # + # Delcarations + # + + type $1_dbusd_t, session_bus_type; + domain_type($1_dbusd_t) + domain_entry_file($1_dbusd_t, dbusd_exec_t) + ubac_constrained($1_dbusd_t) + role $2 types $1_dbusd_t; + + ############################## + # + # Local policy + # + + allow $1_dbusd_t self:process { getattr sigkill signal }; + dontaudit $1_dbusd_t self:process ptrace; + allow $1_dbusd_t self:file { getattr read write }; + allow $1_dbusd_t self:fifo_file rw_fifo_file_perms; + 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; + allow $1_dbusd_t self:tcp_socket create_stream_socket_perms; + allow $1_dbusd_t self:netlink_selinux_socket create_socket_perms; + + # For connecting to the bus + allow $3 $1_dbusd_t:unix_stream_socket connectto; + + # SE-DBus specific permissions + allow $3 $1_dbusd_t:dbus { send_msg acquire_svc }; + allow $3 system_dbusd_t:dbus { send_msg acquire_svc }; + + 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) + + manage_dirs_pattern($1_dbusd_t, session_dbusd_tmp_t, session_dbusd_tmp_t) + manage_files_pattern($1_dbusd_t, session_dbusd_tmp_t, session_dbusd_tmp_t) + files_tmp_filetrans($1_dbusd_t, session_dbusd_tmp_t, { file dir }) + + domtrans_pattern($3, dbusd_exec_t, $1_dbusd_t) + allow $3 $1_dbusd_t:process { signull sigkill signal }; + + # cjp: this seems very broken + corecmd_bin_domtrans($1_dbusd_t, $3) + 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; + allow $3 $1_dbusd_t:process sigchld; + + kernel_read_system_state($1_dbusd_t) + kernel_read_kernel_sysctls($1_dbusd_t) + + corecmd_list_bin($1_dbusd_t) + 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) + + corenet_all_recvfrom_unlabeled($1_dbusd_t) + corenet_all_recvfrom_netlabel($1_dbusd_t) + corenet_tcp_sendrecv_generic_if($1_dbusd_t) + corenet_tcp_sendrecv_generic_node($1_dbusd_t) + corenet_tcp_sendrecv_all_ports($1_dbusd_t) + corenet_tcp_bind_generic_node($1_dbusd_t) + corenet_tcp_bind_reserved_port($1_dbusd_t) + + dev_read_urand($1_dbusd_t) + + domain_use_interactive_fds($1_dbusd_t) + domain_read_all_domains_state($1_dbusd_t) + + 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) + fs_list_inotifyfs($1_dbusd_t) + fs_dontaudit_list_nfs($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) + auth_use_nsswitch($1_dbusd_t) + + logging_send_audit_msgs($1_dbusd_t) + 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) + + term_use_all_terms($1_dbusd_t) + + userdom_read_user_home_content_files($1_dbusd_t) + + + ifdef(`hide_broken_symptoms', ` + dontaudit $3 $1_dbusd_t:netlink_selinux_socket { read write }; + ') + + optional_policy(` + hal_dbus_chat($1_dbusd_t) + ') + + optional_policy(` + xdg_read_generic_data_home_files($1_dbusd_t) + ') + + optional_policy(` + xserver_use_xdm_fds($1_dbusd_t) + xserver_rw_xdm_pipes($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; + ') + + # SE-DBus specific permissions + allow $1 { system_dbusd_t self }:dbus send_msg; + allow system_dbusd_t $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> +## 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; + + dontaudit $1 session_bus_type:fd use; +') + +######################################## +## <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"> +## <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(` + attribute session_bus_type; + ') + + domtrans_pattern(session_bus_type, $2, $1) + + dbus_session_bus_client($1) + dbus_connect_session_bus($1) +') + +######################################## +## <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(` + type system_dbusd_t; + role system_r; + ') + + domain_type($1) + domain_entry_file($1, $2) + + role system_r types $1; + + domtrans_pattern(system_dbusd_t, $2, $1) + + dbus_system_bus_client($1) + dbus_connect_system_bus($1) + + ps_process_pattern(system_dbusd_t, $1) + + userdom_read_all_users_state($1) + + ifdef(`hide_broken_symptoms', ` + dontaudit $1 system_dbusd_t:netlink_selinux_socket { read write }; + ') +') + +######################################## +## <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> +## Dontaudit Read, and write system dbus TCP sockets. +## </summary> +## <param name="domain"> +## <summary> +## Domain to not audit. +## </summary> +## </param> +# +interface(`dbus_dontaudit_system_bus_rw_tcp_sockets',` + gen_require(` + type system_dbusd_t; + ') + + allow $1 system_dbusd_t:tcp_socket { read write }; + 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; +') |