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policy_module(clamav, 1.8.1)
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## <desc>
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## 

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## Allow clamd to use JIT compiler
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## 

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## </desc>
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gen_tunable(clamd_use_jit, false)
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########################################
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#
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# Declarations
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#
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# Main clamd domain
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type clamd_t;
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type clamd_exec_t;
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init_daemon_domain(clamd_t, clamd_exec_t)
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# configuration files
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type clamd_etc_t;
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files_config_file(clamd_etc_t)
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type clamd_initrc_exec_t;
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init_script_file(clamd_initrc_exec_t)
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# tmp files
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type clamd_tmp_t;
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files_tmp_file(clamd_tmp_t)
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# log files
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type clamd_var_log_t;
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logging_log_file(clamd_var_log_t)
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# var/lib files
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type clamd_var_lib_t;
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files_type(clamd_var_lib_t)
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# pid files
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type clamd_var_run_t;
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files_pid_file(clamd_var_run_t)
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typealias clamd_var_run_t alias clamd_sock_t;
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type clamscan_t;
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type clamscan_exec_t;
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init_daemon_domain(clamscan_t, clamscan_exec_t)
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# tmp files
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type clamscan_tmp_t;
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files_tmp_file(clamscan_tmp_t)
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type freshclam_t;
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type freshclam_exec_t;
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init_daemon_domain(freshclam_t, freshclam_exec_t)
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# log files
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type freshclam_var_log_t;
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logging_log_file(freshclam_var_log_t)
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########################################
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#
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# clamd local policy
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#
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allow clamd_t self:capability { kill setgid setuid dac_override };
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dontaudit clamd_t self:capability sys_tty_config;
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allow clamd_t self:fifo_file rw_fifo_file_perms;
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allow clamd_t self:unix_stream_socket { create_stream_socket_perms connectto };
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allow clamd_t self:unix_dgram_socket create_socket_perms;
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allow clamd_t self:tcp_socket { listen accept };
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# configuration files
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allow clamd_t clamd_etc_t:dir list_dir_perms;
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read_files_pattern(clamd_t, clamd_etc_t, clamd_etc_t)
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read_lnk_files_pattern(clamd_t, clamd_etc_t, clamd_etc_t)
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# tmp files
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manage_dirs_pattern(clamd_t, clamd_tmp_t, clamd_tmp_t)
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manage_files_pattern(clamd_t, clamd_tmp_t, clamd_tmp_t)
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files_tmp_filetrans(clamd_t, clamd_tmp_t, { file dir })
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# var/lib files for clamd
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manage_sock_files_pattern(clamd_t, clamd_var_lib_t, clamd_var_lib_t)
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manage_dirs_pattern(clamd_t, clamd_var_lib_t, clamd_var_lib_t)
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manage_files_pattern(clamd_t, clamd_var_lib_t, clamd_var_lib_t)
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# log files
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manage_dirs_pattern(clamd_t, clamd_var_log_t, clamd_var_log_t)
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manage_files_pattern(clamd_t, clamd_var_log_t, clamd_var_log_t)
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logging_log_filetrans(clamd_t, clamd_var_log_t, { dir file })
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# pid file
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manage_dirs_pattern(clamd_t, clamd_var_run_t, clamd_var_run_t)
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manage_files_pattern(clamd_t, clamd_var_run_t, clamd_var_run_t)
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manage_sock_files_pattern(clamd_t, clamd_var_run_t, clamd_var_run_t)
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files_pid_filetrans(clamd_t, clamd_var_run_t, { sock_file file dir })
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kernel_dontaudit_list_proc(clamd_t)
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kernel_read_sysctl(clamd_t)
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kernel_read_kernel_sysctls(clamd_t)
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kernel_read_system_state(clamd_t)
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corecmd_exec_shell(clamd_t)
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corenet_all_recvfrom_unlabeled(clamd_t)
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corenet_all_recvfrom_netlabel(clamd_t)
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corenet_tcp_sendrecv_generic_if(clamd_t)
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corenet_tcp_sendrecv_generic_node(clamd_t)
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corenet_tcp_sendrecv_all_ports(clamd_t)
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corenet_tcp_sendrecv_clamd_port(clamd_t)
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corenet_tcp_bind_generic_node(clamd_t)
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corenet_tcp_bind_clamd_port(clamd_t)
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corenet_tcp_bind_generic_port(clamd_t)
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corenet_tcp_connect_generic_port(clamd_t)
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corenet_sendrecv_clamd_server_packets(clamd_t)
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dev_read_rand(clamd_t)
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dev_read_urand(clamd_t)
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domain_use_interactive_fds(clamd_t)
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files_read_etc_files(clamd_t)
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files_read_etc_runtime_files(clamd_t)
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files_search_spool(clamd_t)
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auth_use_nsswitch(clamd_t)
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logging_send_syslog_msg(clamd_t)
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miscfiles_read_localization(clamd_t)
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cron_use_fds(clamd_t)
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cron_use_system_job_fds(clamd_t)
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cron_rw_pipes(clamd_t)
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mta_read_config(clamd_t)
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mta_send_mail(clamd_t)
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optional_policy(`
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	amavis_read_lib_files(clamd_t)
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	amavis_read_spool_files(clamd_t)
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	amavis_spool_filetrans(clamd_t, clamd_var_run_t, sock_file)
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	amavis_create_pid_files(clamd_t)
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')
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optional_policy(`
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	exim_read_spool_files(clamd_t)
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')
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tunable_policy(`clamd_use_jit',`
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	allow clamd_t self:process execmem;
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	allow clamscan_t self:process execmem;
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', `
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	dontaudit clamd_t self:process execmem;
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	dontaudit clamscan_t self:process execmem;
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')
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########################################
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#
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# Freshclam local policy
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#
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allow freshclam_t self:capability { setgid setuid dac_override };
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allow freshclam_t self:fifo_file rw_fifo_file_perms;
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allow freshclam_t self:unix_stream_socket create_stream_socket_perms;
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allow freshclam_t self:unix_dgram_socket create_socket_perms;
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allow freshclam_t self:tcp_socket { listen accept };
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# configuration files
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allow freshclam_t clamd_etc_t:dir list_dir_perms;
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read_files_pattern(freshclam_t, clamd_etc_t, clamd_etc_t)
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read_lnk_files_pattern(freshclam_t, clamd_etc_t, clamd_etc_t)
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# var/lib files together with clamd
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manage_dirs_pattern(freshclam_t, clamd_var_lib_t, clamd_var_lib_t)
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manage_files_pattern(freshclam_t, clamd_var_lib_t, clamd_var_lib_t)
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# pidfiles- var/run together with clamd
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manage_files_pattern(freshclam_t, clamd_var_run_t, clamd_var_run_t)
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manage_sock_files_pattern(freshclam_t, clamd_var_run_t, clamd_var_run_t)
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files_pid_filetrans(freshclam_t, clamd_var_run_t, file)
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# log files (own logfiles only)
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manage_files_pattern(freshclam_t, freshclam_var_log_t, freshclam_var_log_t)
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allow freshclam_t freshclam_var_log_t:dir setattr;
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read_files_pattern(freshclam_t, clamd_var_log_t, clamd_var_log_t)
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logging_log_filetrans(freshclam_t, freshclam_var_log_t, file)
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kernel_read_kernel_sysctls(freshclam_t)
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kernel_read_system_state(freshclam_t)
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corecmd_exec_shell(freshclam_t)
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corecmd_exec_bin(freshclam_t)
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corenet_all_recvfrom_unlabeled(freshclam_t)
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corenet_all_recvfrom_netlabel(freshclam_t)
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corenet_tcp_sendrecv_generic_if(freshclam_t)
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corenet_tcp_sendrecv_generic_node(freshclam_t)
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corenet_tcp_sendrecv_all_ports(freshclam_t)
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corenet_tcp_sendrecv_clamd_port(freshclam_t)
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corenet_tcp_connect_http_port(freshclam_t)
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corenet_tcp_connect_clamd_port(freshclam_t)
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corenet_sendrecv_http_client_packets(freshclam_t)
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dev_read_rand(freshclam_t)
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dev_read_urand(freshclam_t)
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domain_use_interactive_fds(freshclam_t)
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files_read_etc_files(freshclam_t)
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files_read_etc_runtime_files(freshclam_t)
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auth_use_nsswitch(freshclam_t)
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logging_send_syslog_msg(freshclam_t)
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miscfiles_read_localization(freshclam_t)
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clamav_stream_connect(freshclam_t)
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userdom_stream_connect(freshclam_t)
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optional_policy(`
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	cron_system_entry(freshclam_t, freshclam_exec_t)
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')
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tunable_policy(`clamd_use_jit',`
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	allow freshclam_t self:process execmem;
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', `
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	dontaudit freshclam_t self:process execmem;
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')
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########################################
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#
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# clamscam local policy
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#
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allow clamscan_t self:capability { setgid setuid dac_override };
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allow clamscan_t self:fifo_file rw_file_perms;
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allow clamscan_t self:unix_stream_socket create_stream_socket_perms;
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allow clamscan_t self:unix_dgram_socket create_socket_perms;
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allow clamscan_t self:tcp_socket create_stream_socket_perms;
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# configuration files
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allow clamscan_t clamd_etc_t:dir list_dir_perms;
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read_files_pattern(clamscan_t, clamd_etc_t, clamd_etc_t)
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read_lnk_files_pattern(clamscan_t, clamd_etc_t, clamd_etc_t)
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# tmp files
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manage_dirs_pattern(clamscan_t, clamscan_tmp_t, clamscan_tmp_t)
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manage_files_pattern(clamscan_t, clamscan_tmp_t, clamscan_tmp_t)
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files_tmp_filetrans(clamscan_t, clamscan_tmp_t, { file dir })
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# var/lib files together with clamd
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manage_files_pattern(clamscan_t, clamd_var_lib_t, clamd_var_lib_t)
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allow clamscan_t clamd_var_lib_t:dir list_dir_perms;
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corenet_all_recvfrom_unlabeled(clamscan_t)
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corenet_all_recvfrom_netlabel(clamscan_t)
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corenet_tcp_sendrecv_generic_if(clamscan_t)
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corenet_tcp_sendrecv_generic_node(clamscan_t)
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corenet_tcp_sendrecv_all_ports(clamscan_t)
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corenet_tcp_sendrecv_clamd_port(clamscan_t)
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corenet_tcp_connect_clamd_port(clamscan_t)
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kernel_read_kernel_sysctls(clamscan_t)
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kernel_read_system_state(clamscan_t)
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files_read_etc_files(clamscan_t)
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files_read_etc_runtime_files(clamscan_t)
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files_search_var_lib(clamscan_t)
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init_read_utmp(clamscan_t)
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init_dontaudit_write_utmp(clamscan_t)
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miscfiles_read_localization(clamscan_t)
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miscfiles_read_public_files(clamscan_t)
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clamav_stream_connect(clamscan_t)
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mta_send_mail(clamscan_t)
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optional_policy(`
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	amavis_read_spool_files(clamscan_t)
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')
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optional_policy(`
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	apache_read_sys_content(clamscan_t)
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')