diff options
Diffstat (limited to 'policy/modules/contrib/clamav.te')
| -rw-r--r-- | policy/modules/contrib/clamav.te | 275 |
1 files changed, 275 insertions, 0 deletions
diff --git a/policy/modules/contrib/clamav.te b/policy/modules/contrib/clamav.te new file mode 100644 index 00000000..f7583237 --- /dev/null +++ b/policy/modules/contrib/clamav.te @@ -0,0 +1,275 @@ +policy_module(clamav, 1.9.0) + +## <desc> +## <p> +## Allow clamd to use JIT compiler +## </p> +## </desc> +gen_tunable(clamd_use_jit, false) + +######################################## +# +# Declarations +# + +# Main clamd domain +type clamd_t; +type clamd_exec_t; +init_daemon_domain(clamd_t, clamd_exec_t) + +# configuration files +type clamd_etc_t; +files_config_file(clamd_etc_t) + +type clamd_initrc_exec_t; +init_script_file(clamd_initrc_exec_t) + +# tmp files +type clamd_tmp_t; +files_tmp_file(clamd_tmp_t) + +# log files +type clamd_var_log_t; +logging_log_file(clamd_var_log_t) + +# var/lib files +type clamd_var_lib_t; +files_type(clamd_var_lib_t) + +# pid files +type clamd_var_run_t; +files_pid_file(clamd_var_run_t) +typealias clamd_var_run_t alias clamd_sock_t; + +type clamscan_t; +type clamscan_exec_t; +init_daemon_domain(clamscan_t, clamscan_exec_t) + +# tmp files +type clamscan_tmp_t; +files_tmp_file(clamscan_tmp_t) + +type freshclam_t; +type freshclam_exec_t; +init_daemon_domain(freshclam_t, freshclam_exec_t) + +# log files +type freshclam_var_log_t; +logging_log_file(freshclam_var_log_t) + +######################################## +# +# clamd local policy +# + +allow clamd_t self:capability { kill setgid setuid dac_override }; +dontaudit clamd_t self:capability sys_tty_config; +allow clamd_t self:fifo_file rw_fifo_file_perms; +allow clamd_t self:unix_stream_socket { create_stream_socket_perms connectto }; +allow clamd_t self:unix_dgram_socket create_socket_perms; +allow clamd_t self:tcp_socket { listen accept }; + +# configuration files +allow clamd_t clamd_etc_t:dir list_dir_perms; +read_files_pattern(clamd_t, clamd_etc_t, clamd_etc_t) +read_lnk_files_pattern(clamd_t, clamd_etc_t, clamd_etc_t) + +# tmp files +manage_dirs_pattern(clamd_t, clamd_tmp_t, clamd_tmp_t) +manage_files_pattern(clamd_t, clamd_tmp_t, clamd_tmp_t) +files_tmp_filetrans(clamd_t, clamd_tmp_t, { file dir }) + +# var/lib files for clamd +manage_dirs_pattern(clamd_t, clamd_var_lib_t, clamd_var_lib_t) +manage_files_pattern(clamd_t, clamd_var_lib_t, clamd_var_lib_t) + +# log files +manage_dirs_pattern(clamd_t, clamd_var_log_t, clamd_var_log_t) +manage_files_pattern(clamd_t, clamd_var_log_t, clamd_var_log_t) +logging_log_filetrans(clamd_t, clamd_var_log_t, { dir file }) + +# pid file +manage_files_pattern(clamd_t, clamd_var_run_t, clamd_var_run_t) +manage_sock_files_pattern(clamd_t, clamd_var_run_t, clamd_var_run_t) +files_pid_filetrans(clamd_t, clamd_var_run_t, { file dir }) + +kernel_dontaudit_list_proc(clamd_t) +kernel_read_sysctl(clamd_t) +kernel_read_kernel_sysctls(clamd_t) +kernel_read_system_state(clamd_t) + +corecmd_exec_shell(clamd_t) + +corenet_all_recvfrom_unlabeled(clamd_t) +corenet_all_recvfrom_netlabel(clamd_t) +corenet_tcp_sendrecv_generic_if(clamd_t) +corenet_tcp_sendrecv_generic_node(clamd_t) +corenet_tcp_sendrecv_all_ports(clamd_t) +corenet_tcp_sendrecv_clamd_port(clamd_t) +corenet_tcp_bind_generic_node(clamd_t) +corenet_tcp_bind_clamd_port(clamd_t) +corenet_tcp_bind_generic_port(clamd_t) +corenet_tcp_connect_generic_port(clamd_t) +corenet_sendrecv_clamd_server_packets(clamd_t) + +dev_read_rand(clamd_t) +dev_read_urand(clamd_t) + +domain_use_interactive_fds(clamd_t) + +files_read_etc_files(clamd_t) +files_read_etc_runtime_files(clamd_t) +files_search_spool(clamd_t) + +auth_use_nsswitch(clamd_t) + +logging_send_syslog_msg(clamd_t) + +miscfiles_read_localization(clamd_t) + +cron_use_fds(clamd_t) +cron_use_system_job_fds(clamd_t) +cron_rw_pipes(clamd_t) + +mta_read_config(clamd_t) +mta_send_mail(clamd_t) + +optional_policy(` + amavis_read_lib_files(clamd_t) + amavis_read_spool_files(clamd_t) + amavis_spool_filetrans(clamd_t, clamd_var_run_t, sock_file) + amavis_create_pid_files(clamd_t) +') + +optional_policy(` + exim_read_spool_files(clamd_t) +') + +tunable_policy(`clamd_use_jit',` + allow clamd_t self:process execmem; +', ` + dontaudit clamd_t self:process execmem; +') + +######################################## +# +# Freshclam local policy +# + +allow freshclam_t self:capability { setgid setuid dac_override }; +allow freshclam_t self:fifo_file rw_fifo_file_perms; +allow freshclam_t self:unix_stream_socket create_stream_socket_perms; +allow freshclam_t self:unix_dgram_socket create_socket_perms; +allow freshclam_t self:tcp_socket { listen accept }; + +# configuration files +allow freshclam_t clamd_etc_t:dir list_dir_perms; +read_files_pattern(freshclam_t, clamd_etc_t, clamd_etc_t) +read_lnk_files_pattern(freshclam_t, clamd_etc_t, clamd_etc_t) + +# var/lib files together with clamd +manage_dirs_pattern(freshclam_t, clamd_var_lib_t, clamd_var_lib_t) +manage_files_pattern(freshclam_t, clamd_var_lib_t, clamd_var_lib_t) + +# pidfiles- var/run together with clamd +manage_files_pattern(freshclam_t, clamd_var_run_t, clamd_var_run_t) +manage_sock_files_pattern(freshclam_t, clamd_var_run_t, clamd_var_run_t) +files_pid_filetrans(freshclam_t, clamd_var_run_t, file) + +# log files (own logfiles only) +manage_files_pattern(freshclam_t, freshclam_var_log_t, freshclam_var_log_t) +allow freshclam_t freshclam_var_log_t:dir setattr; +allow freshclam_t clamd_var_log_t:dir search_dir_perms; +logging_log_filetrans(freshclam_t, freshclam_var_log_t, file) + +corenet_all_recvfrom_unlabeled(freshclam_t) +corenet_all_recvfrom_netlabel(freshclam_t) +corenet_tcp_sendrecv_generic_if(freshclam_t) +corenet_tcp_sendrecv_generic_node(freshclam_t) +corenet_tcp_sendrecv_all_ports(freshclam_t) +corenet_tcp_sendrecv_clamd_port(freshclam_t) +corenet_tcp_connect_http_port(freshclam_t) +corenet_sendrecv_http_client_packets(freshclam_t) + +dev_read_rand(freshclam_t) +dev_read_urand(freshclam_t) + +domain_use_interactive_fds(freshclam_t) + +files_read_etc_files(freshclam_t) +files_read_etc_runtime_files(freshclam_t) + +auth_use_nsswitch(freshclam_t) + +logging_send_syslog_msg(freshclam_t) + +miscfiles_read_localization(freshclam_t) + +clamav_stream_connect(freshclam_t) + +optional_policy(` + cron_system_entry(freshclam_t, freshclam_exec_t) +') + +tunable_policy(`clamd_use_jit',` + allow freshclam_t self:process execmem; +', ` + dontaudit freshclam_t self:process execmem; +') + +######################################## +# +# clamscam local policy +# + +allow clamscan_t self:capability { setgid setuid dac_override }; +allow clamscan_t self:fifo_file rw_file_perms; +allow clamscan_t self:unix_stream_socket create_stream_socket_perms; +allow clamscan_t self:unix_dgram_socket create_socket_perms; +allow clamscan_t self:tcp_socket create_stream_socket_perms; + +# configuration files +allow clamscan_t clamd_etc_t:dir list_dir_perms; +read_files_pattern(clamscan_t, clamd_etc_t, clamd_etc_t) +read_lnk_files_pattern(clamscan_t, clamd_etc_t, clamd_etc_t) + +# tmp files +manage_dirs_pattern(clamscan_t, clamscan_tmp_t, clamscan_tmp_t) +manage_files_pattern(clamscan_t, clamscan_tmp_t, clamscan_tmp_t) +files_tmp_filetrans(clamscan_t, clamscan_tmp_t, { file dir }) + +# var/lib files together with clamd +manage_files_pattern(clamscan_t, clamd_var_lib_t, clamd_var_lib_t) +allow clamscan_t clamd_var_lib_t:dir list_dir_perms; + +corenet_all_recvfrom_unlabeled(clamscan_t) +corenet_all_recvfrom_netlabel(clamscan_t) +corenet_tcp_sendrecv_generic_if(clamscan_t) +corenet_tcp_sendrecv_generic_node(clamscan_t) +corenet_tcp_sendrecv_all_ports(clamscan_t) +corenet_tcp_sendrecv_clamd_port(clamscan_t) +corenet_tcp_connect_clamd_port(clamscan_t) + +kernel_read_kernel_sysctls(clamscan_t) + +files_read_etc_files(clamscan_t) +files_read_etc_runtime_files(clamscan_t) +files_search_var_lib(clamscan_t) + +init_read_utmp(clamscan_t) +init_dontaudit_write_utmp(clamscan_t) + +miscfiles_read_localization(clamscan_t) +miscfiles_read_public_files(clamscan_t) + +clamav_stream_connect(clamscan_t) + +mta_send_mail(clamscan_t) + +optional_policy(` + amavis_read_spool_files(clamscan_t) +') + +optional_policy(` + apache_read_sys_content(clamscan_t) +') |