579 lines
18 KiB
Plaintext
579 lines
18 KiB
Plaintext
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policy_module(postfix,1.0.4)
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########################################
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#
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# Declarations
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#
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attribute postfix_user_domains;
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# domains that transition to the
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# postfix user domains
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attribute postfix_user_domtrans;
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postfix_public_domain_template(bounce)
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type postfix_spool_bounce_t;
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files_type(postfix_spool_bounce_t)
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postfix_public_domain_template(cleanup)
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type postfix_etc_t;
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files_type(postfix_etc_t)
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type postfix_exec_t;
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files_type(postfix_exec_t)
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# temp:
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typeattribute postfix_exec_t entry_type;
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postfix_server_domain_template(local)
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mta_mailserver_delivery(postfix_local_t)
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type postfix_local_tmp_t;
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files_tmp_file(postfix_local_tmp_t)
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# Program for creating database files
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type postfix_map_t;
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type postfix_map_exec_t;
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domain_type(postfix_map_t)
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domain_entry_file(postfix_map_t,postfix_map_exec_t)
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type postfix_map_tmp_t;
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files_tmp_file(postfix_map_tmp_t)
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postfix_domain_template(master)
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typealias postfix_master_t alias postfix_t;
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# alias is a hack to make the disable trans bool
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# generation macro work
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mta_mailserver(postfix_t,postfix_master_exec_t)
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postfix_public_domain_template(pickup)
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postfix_public_domain_template(pipe)
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postfix_user_domain_template(postdrop)
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mta_mailserver_user_agent(postfix_postdrop_t)
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postfix_user_domain_template(postqueue)
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type postfix_private_t;
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files_type(postfix_private_t)
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type postfix_prng_t;
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files_type(postfix_prng_t)
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postfix_public_domain_template(qmgr)
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postfix_user_domain_template(showq)
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postfix_server_domain_template(smtp)
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mta_mailserver_sender(postfix_smtp_t)
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postfix_server_domain_template(smtpd)
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type postfix_spool_t;
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files_type(postfix_spool_t)
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type postfix_spool_maildrop_t;
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files_type(postfix_spool_maildrop_t)
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type postfix_spool_flush_t;
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files_type(postfix_spool_flush_t)
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type postfix_public_t;
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files_type(postfix_public_t)
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type postfix_var_run_t;
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files_pid_file(postfix_var_run_t)
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########################################
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#
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# Postfix master process local policy
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#
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# chown is to set the correct ownership of queue dirs
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allow postfix_master_t self:capability { chown dac_override kill setgid setuid net_bind_service sys_tty_config };
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allow postfix_master_t self:fifo_file rw_file_perms;
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allow postfix_master_t self:tcp_socket create_stream_socket_perms;
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allow postfix_master_t self:udp_socket create_socket_perms;
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allow postfix_master_t postfix_etc_t:file rw_file_perms;
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can_exec(postfix_master_t,postfix_exec_t)
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allow postfix_master_t postfix_map_exec_t:file rx_file_perms;
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allow postfix_master_t postfix_postdrop_exec_t:file getattr;
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allow postfix_master_t postfix_postqueue_exec_t:file getattr;
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allow postfix_master_t postfix_private_t:dir rw_dir_perms;
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allow postfix_master_t postfix_private_t:sock_file create_file_perms;
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allow postfix_master_t postfix_private_t:fifo_file create_file_perms;
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allow postfix_master_t postfix_prng_t:file rw_file_perms;
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allow postfix_master_t postfix_public_t:fifo_file create_file_perms;
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allow postfix_master_t postfix_public_t:sock_file create_file_perms;
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allow postfix_master_t postfix_public_t:dir rw_dir_perms;
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# allow access to deferred queue and allow removing bogus incoming entries
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allow postfix_master_t postfix_spool_t:dir create_dir_perms;
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allow postfix_master_t postfix_spool_t:file create_file_perms;
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allow postfix_master_t postfix_spool_bounce_t:dir manage_dir_perms;
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allow postfix_master_t postfix_spool_bounce_t:file getattr;
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allow postfix_master_t postfix_spool_flush_t:dir create_dir_perms;
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allow postfix_master_t postfix_spool_flush_t:file create_file_perms;
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allow postfix_master_t postfix_spool_flush_t:lnk_file create_lnk_perms;
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allow postfix_master_t postfix_spool_maildrop_t:dir rw_dir_perms;
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allow postfix_master_t postfix_spool_maildrop_t:file { unlink rename getattr };
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kernel_read_all_sysctl(postfix_master_t)
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corenet_tcp_sendrecv_all_if(postfix_master_t)
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corenet_udp_sendrecv_all_if(postfix_master_t)
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corenet_raw_sendrecv_all_if(postfix_master_t)
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corenet_tcp_sendrecv_all_nodes(postfix_master_t)
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corenet_udp_sendrecv_all_nodes(postfix_master_t)
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corenet_raw_sendrecv_all_nodes(postfix_master_t)
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corenet_tcp_sendrecv_all_ports(postfix_master_t)
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corenet_udp_sendrecv_all_ports(postfix_master_t)
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corenet_non_ipsec_sendrecv(postfix_master_t)
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corenet_tcp_bind_all_nodes(postfix_master_t)
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corenet_udp_bind_all_nodes(postfix_master_t)
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corenet_tcp_bind_amavisd_send_port(postfix_master_t)
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corenet_tcp_bind_smtp_port(postfix_master_t)
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corenet_tcp_connect_all_ports(postfix_master_t)
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# for a find command
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selinux_dontaudit_search_fs(postfix_master_t)
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corecmd_exec_ls(postfix_master_t)
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corecmd_exec_sbin(postfix_master_t)
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corecmd_exec_shell(postfix_master_t)
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corecmd_exec_bin(postfix_master_t)
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domain_use_wide_inherit_fd(postfix_master_t)
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files_read_usr_files(postfix_master_t)
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init_use_script_pty(postfix_master_t)
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miscfiles_dontaudit_search_man_pages(postfix_master_t)
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seutil_sigchld_newrole(postfix_master_t)
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# postfix does a "find" on startup for some reason - keep it quiet
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seutil_dontaudit_search_config(postfix_master_t)
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sysnet_read_config(postfix_master_t)
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mta_rw_aliases(postfix_master_t)
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mta_read_sendmail_bin(postfix_master_t)
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optional_policy(`mount',`
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mount_send_nfs_client_request(postfix_master_t)
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')
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optional_policy(`nis',`
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nis_use_ypbind(postfix_master_t)
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')
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###########################################################
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#
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# Partially converted rules. THESE ARE ONLY TEMPORARY
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#
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ifdef(`distro_redhat',`
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# for newer main.cf that uses /etc/aliases
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allow postfix_master_t etc_t:dir rw_dir_perms;
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allow postfix_master_t etc_aliases_t:dir create_dir_perms;
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allow postfix_master_t etc_aliases_t:file create_file_perms;
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allow postfix_master_t etc_aliases_t:lnk_file create_lnk_perms;
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allow postfix_master_t etc_aliases_t:sock_file create_file_perms;
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allow postfix_master_t etc_aliases_t:fifo_file create_file_perms;
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type_transition postfix_master_t etc_t:{ file lnk_file sock_file fifo_file } etc_aliases_t;
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allow postfix_master_t postfix_etc_t:dir rw_dir_perms;
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allow postfix_master_t etc_aliases_t:dir create_dir_perms;
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allow postfix_master_t etc_aliases_t:file create_file_perms;
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allow postfix_master_t etc_aliases_t:lnk_file create_lnk_perms;
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allow postfix_master_t etc_aliases_t:sock_file create_file_perms;
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allow postfix_master_t etc_aliases_t:fifo_file create_file_perms;
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type_transition postfix_master_t postfix_etc_t:{ dir file lnk_file sock_file fifo_file } etc_aliases_t;
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')
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# end partially converted rules
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########################################
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#
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# Postfix bounce local policy
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#
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allow postfix_bounce_t self:capability dac_read_search;
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allow postfix_bounce_t self:tcp_socket create_socket_perms;
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allow postfix_bounce_t postfix_public_t:sock_file write;
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allow postfix_bounce_t postfix_spool_t:dir create_dir_perms;
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allow postfix_bounce_t postfix_spool_t:file create_file_perms;
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allow postfix_bounce_t postfix_spool_t:lnk_file create_lnk_perms;
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allow postfix_bounce_t postfix_spool_bounce_t:dir create_dir_perms;
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allow postfix_bounce_t postfix_spool_bounce_t:file create_file_perms;
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allow postfix_bounce_t postfix_spool_bounce_t:lnk_file create_lnk_perms;
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########################################
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#
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# Postfix cleanup local policy
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#
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allow postfix_cleanup_t self:process setrlimit;
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# connect to master process
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allow postfix_cleanup_t postfix_master_t:unix_stream_socket connectto;
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allow postfix_cleanup_t postfix_private_t:dir search;
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allow postfix_cleanup_t postfix_private_t:sock_file rw_file_perms;
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allow postfix_cleanup_t postfix_public_t:fifo_file rw_file_perms;
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allow postfix_cleanup_t postfix_public_t:sock_file { getattr write };
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allow postfix_cleanup_t postfix_spool_t:dir create_dir_perms;
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allow postfix_cleanup_t postfix_spool_t:file create_file_perms;
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allow postfix_cleanup_t postfix_spool_t:lnk_file create_lnk_perms;
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allow postfix_cleanup_t postfix_spool_bounce_t:dir r_dir_perms;
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########################################
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#
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# Postfix local local policy
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#
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allow postfix_local_t self:fifo_file rw_file_perms;
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allow postfix_local_t self:process { setsched setrlimit };
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allow postfix_local_t postfix_local_tmp_t:dir create_dir_perms;
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allow postfix_local_t postfix_local_tmp_t:file create_file_perms;
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files_create_tmp_files(postfix_local_t, postfix_local_tmp_t, { file dir })
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# connect to master process
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allow postfix_local_t postfix_master_t:unix_stream_socket connectto;
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allow postfix_local_t postfix_public_t:dir search;
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allow postfix_local_t postfix_public_t:sock_file write;
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# for .forward - maybe we need a new type for it?
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allow postfix_local_t postfix_private_t:dir search;
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allow postfix_local_t postfix_private_t:sock_file rw_file_perms;
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allow postfix_local_t postfix_spool_t:file rw_file_perms;
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corecmd_exec_shell(postfix_local_t)
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corecmd_exec_bin(postfix_local_t)
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mta_read_aliases(postfix_local_t)
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mta_delete_spool(postfix_local_t)
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# For reading spamassasin
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mta_read_config(postfix_local_t)
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optional_policy(`procmail',`
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procmail_domtrans(postfix_local_t)
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')
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########################################
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#
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# Postfix map local policy
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#
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allow postfix_map_t self:capability setgid;
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allow postfix_map_t self:unix_stream_socket create_stream_socket_perms;
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allow postfix_map_t self:unix_dgram_socket create_socket_perms;
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allow postfix_map_t self:tcp_socket create_stream_socket_perms;
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allow postfix_map_t self:udp_socket create_socket_perms;
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allow postfix_map_t postfix_etc_t:dir create_dir_perms;
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allow postfix_map_t postfix_etc_t:file create_file_perms;
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allow postfix_map_t postfix_etc_t:lnk_file create_lnk_perms;
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allow postfix_map_t postfix_map_tmp_t:dir create_dir_perms;
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allow postfix_map_t postfix_map_tmp_t:file create_file_perms;
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files_create_tmp_files(postfix_map_t, postfix_map_tmp_t, { file dir })
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kernel_read_kernel_sysctl(postfix_map_t)
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kernel_dontaudit_list_proc(postfix_map_t)
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corenet_tcp_sendrecv_all_if(postfix_map_t)
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corenet_udp_sendrecv_all_if(postfix_map_t)
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corenet_raw_sendrecv_all_if(postfix_map_t)
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corenet_tcp_sendrecv_all_nodes(postfix_map_t)
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corenet_udp_sendrecv_all_nodes(postfix_map_t)
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corenet_raw_sendrecv_all_nodes(postfix_map_t)
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corenet_tcp_sendrecv_all_ports(postfix_map_t)
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corenet_udp_sendrecv_all_ports(postfix_map_t)
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corenet_non_ipsec_sendrecv(postfix_map_t)
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corenet_tcp_bind_all_nodes(postfix_map_t)
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corenet_udp_bind_all_nodes(postfix_map_t)
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corenet_tcp_connect_all_ports(postfix_map_t)
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corecmd_list_bin(postfix_map_t)
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corecmd_read_bin_symlink(postfix_map_t)
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corecmd_read_bin_file(postfix_map_t)
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corecmd_read_bin_pipe(postfix_map_t)
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corecmd_read_bin_socket(postfix_map_t)
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corecmd_list_sbin(postfix_map_t)
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corecmd_read_sbin_symlink(postfix_map_t)
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corecmd_read_sbin_file(postfix_map_t)
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corecmd_read_sbin_pipe(postfix_map_t)
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corecmd_read_sbin_socket(postfix_map_t)
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files_list_home(postfix_map_t)
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files_read_usr_files(postfix_map_t)
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files_read_etc_files(postfix_map_t)
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files_read_etc_runtime_files(postfix_map_t)
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files_dontaudit_search_var(postfix_map_t)
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libs_use_ld_so(postfix_map_t)
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libs_use_shared_libs(postfix_map_t)
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logging_send_syslog_msg(postfix_map_t)
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miscfiles_read_localization(postfix_map_t)
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seutil_read_config(postfix_map_t)
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sysnet_read_config(postfix_map_t)
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ifdef(`targeted_policy',`
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# FIXME: would be better to use a run interface
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role system_r types postfix_map_t;
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')
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tunable_policy(`read_default_t',`
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files_list_default(postfix_map_t)
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files_read_default_files(postfix_map_t)
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files_read_default_symlinks(postfix_map_t)
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files_read_default_sockets(postfix_map_t)
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files_read_default_pipes(postfix_map_t)
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')
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optional_policy(`locallogin',`
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locallogin_dontaudit_use_fd(postfix_map_t)
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')
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# a "run" interface needs to be
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# added, and have sysadm_t use it
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# in a optional_policy block.
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########################################
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#
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# Postfix pickup local policy
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#
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allow postfix_pickup_t self:tcp_socket create_socket_perms;
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allow postfix_pickup_t postfix_master_t:unix_stream_socket connectto;
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allow postfix_pickup_t postfix_private_t:dir search;
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allow postfix_pickup_t postfix_private_t:sock_file write;
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allow postfix_pickup_t postfix_public_t:fifo_file rw_file_perms;
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allow postfix_pickup_t postfix_public_t:sock_file rw_file_perms;
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allow postfix_pickup_t postfix_spool_maildrop_t:dir rw_dir_perms;
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allow postfix_pickup_t postfix_spool_maildrop_t:file r_file_perms;
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allow postfix_pickup_t postfix_spool_maildrop_t:file unlink;
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########################################
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#
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# Postfix pipe local policy
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#
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allow postfix_pipe_t self:fifo_file { read write };
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allow postfix_pipe_t postfix_private_t:dir search;
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allow postfix_pipe_t postfix_private_t:sock_file write;
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allow postfix_pipe_t postfix_spool_t:dir search;
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allow postfix_pipe_t postfix_spool_t:file rw_file_perms;
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optional_policy(`procmail',`
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procmail_domtrans(postfix_pipe_t)
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')
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########################################
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#
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# Postfix postdrop local policy
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#
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# usually it does not need a UDP socket
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allow postfix_postdrop_t self:capability sys_resource;
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allow postfix_postdrop_t self:tcp_socket create;
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allow postfix_postdrop_t self:udp_socket create_socket_perms;
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allow postfix_postdrop_t postfix_public_t:dir search;
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allow postfix_postdrop_t postfix_public_t:fifo_file rw_file_perms;
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allow postfix_postdrop_t postfix_spool_maildrop_t:dir rw_dir_perms;
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allow postfix_postdrop_t postfix_spool_maildrop_t:file create_file_perms;
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term_dontaudit_use_all_user_ptys(postfix_postdrop_t)
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term_dontaudit_use_all_user_ttys(postfix_postdrop_t)
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sysnet_dontaudit_read_config(postfix_postdrop_t)
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mta_rw_user_mail_stream_socket(postfix_postdrop_t)
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ifdef(`targeted_policy', `
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term_use_unallocated_tty(postfix_postdrop_t)
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term_use_generic_pty(postfix_postdrop_t)
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')
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optional_policy(`crond',`
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cron_use_fd(postfix_postdrop_t)
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cron_rw_pipe(postfix_postdrop_t)
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cron_use_system_job_fd(postfix_postdrop_t)
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cron_rw_system_job_pipe(postfix_postdrop_t)
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')
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optional_policy(`ppp',`
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ppp_use_fd(postfix_postqueue_t)
|
|
ppp_sigchld(postfix_postqueue_t)
|
|
')
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|
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|
#######################################
|
|
#
|
|
# Postfix postqueue local policy
|
|
#
|
|
|
|
allow postfix_postqueue_t self:tcp_socket create;
|
|
allow postfix_postqueue_t self:udp_socket { create ioctl };
|
|
|
|
# wants to write to /var/spool/postfix/public/showq
|
|
allow postfix_postqueue_t postfix_public_t:sock_file rw_file_perms;
|
|
allow postfix_postqueue_t postfix_master_t:unix_stream_socket connectto;
|
|
|
|
allow postfix_postqueue_t postfix_public_t:dir search;
|
|
# write to /var/spool/postfix/public/qmgr
|
|
allow postfix_postqueue_t postfix_public_t:fifo_file { getattr write };
|
|
|
|
domain_auto_trans(postfix_master_t, postfix_postqueue_exec_t, postfix_postqueue_t)
|
|
allow postfix_master_t postfix_postqueue_t:fd use;
|
|
allow postfix_postqueue_t postfix_master_t:fd use;
|
|
allow postfix_postqueue_t postfix_master_t:fifo_file rw_file_perms;
|
|
allow postfix_postqueue_t postfix_master_t:process sigchld;
|
|
|
|
domain_auto_trans(postfix_postqueue_t, postfix_showq_exec_t, postfix_showq_t)
|
|
allow postfix_postqueue_t postfix_showq_t:fd use;
|
|
allow postfix_showq_t postfix_postqueue_t:fd use;
|
|
allow postfix_showq_t postfix_postqueue_t:fifo_file rw_file_perms;
|
|
allow postfix_showq_t postfix_postqueue_t:process sigchld;
|
|
|
|
# to write the mailq output, it really should not need read access!
|
|
term_use_all_user_ptys(postfix_postqueue_t)
|
|
term_use_all_user_ttys(postfix_postqueue_t)
|
|
|
|
init_sigchld_script(postfix_postqueue_t)
|
|
init_use_script_fd(postfix_postqueue_t)
|
|
|
|
sysnet_dontaudit_read_config(postfix_postqueue_t)
|
|
|
|
ifdef(`TODO',`
|
|
optional_policy(`gnome-pty-helper', `allow postfix_postqueue_t user_gph_t:fd use;')
|
|
')
|
|
|
|
########################################
|
|
#
|
|
# Postfix qmgr local policy
|
|
#
|
|
|
|
allow postfix_qmgr_t postfix_master_t:unix_stream_socket connectto;
|
|
|
|
allow postfix_qmgr_t postfix_private_t:dir search;
|
|
allow postfix_qmgr_t postfix_private_t:sock_file rw_file_perms;
|
|
|
|
allow postfix_qmgr_t postfix_public_t:fifo_file rw_file_perms;
|
|
allow postfix_qmgr_t postfix_public_t:sock_file write;
|
|
|
|
# for /var/spool/postfix/active
|
|
allow postfix_qmgr_t postfix_spool_t:dir create_dir_perms;
|
|
allow postfix_qmgr_t postfix_spool_t:file create_file_perms;
|
|
allow postfix_qmgr_t postfix_spool_t:lnk_file create_lnk_perms;
|
|
|
|
allow postfix_qmgr_t postfix_spool_bounce_t:dir { getattr read search };
|
|
allow postfix_qmgr_t postfix_spool_bounce_t:file { read getattr };
|
|
allow postfix_qmgr_t postfix_spool_bounce_t:lnk_file { getattr read };
|
|
|
|
########################################
|
|
#
|
|
# Postfix showq local policy
|
|
#
|
|
|
|
allow postfix_showq_t self:capability { setuid setgid };
|
|
allow postfix_showq_t self:tcp_socket create_socket_perms;
|
|
|
|
# the following auto_trans is usually in postfix server domain
|
|
domain_auto_trans(postfix_master_t, postfix_showq_exec_t, postfix_showq_t)
|
|
allow postfix_master_t postfix_showq_t:fd use;
|
|
allow postfix_showq_t postfix_master_t:fd use;
|
|
allow postfix_showq_t postfix_master_t:fifo_file rw_file_perms;
|
|
allow postfix_showq_t postfix_master_t:process sigchld;
|
|
|
|
allow postfix_showq_t postfix_master_t:unix_stream_socket { accept rw_socket_perms };
|
|
|
|
allow postfix_showq_t postfix_spool_t:file r_file_perms;
|
|
|
|
allow postfix_showq_t postfix_spool_maildrop_t:dir { getattr read search };
|
|
allow postfix_showq_t postfix_spool_maildrop_t:file { read getattr };
|
|
allow postfix_showq_t postfix_spool_maildrop_t:lnk_file { getattr read };
|
|
|
|
# to write the mailq output, it really should not need read access!
|
|
term_use_all_user_ptys(postfix_showq_t)
|
|
term_use_all_user_ttys(postfix_showq_t)
|
|
|
|
sysnet_dns_name_resolve(postfix_showq_t)
|
|
|
|
########################################
|
|
#
|
|
# Postfix smtp delivery local policy
|
|
#
|
|
|
|
# connect to master process
|
|
allow postfix_smtp_t postfix_master_t:unix_stream_socket connectto;
|
|
allow postfix_smtp_t { postfix_private_t postfix_public_t }:dir search;
|
|
allow postfix_smtp_t { postfix_private_t postfix_public_t }:sock_file write;
|
|
|
|
allow postfix_smtp_t postfix_spool_t:file rw_file_perms;
|
|
|
|
kernel_tcp_recvfrom(postfix_smtp_t)
|
|
|
|
# if you have two different mail servers on the same host let them talk via
|
|
# SMTP, also if one mail server wants to talk to itself then allow it and let
|
|
# the SMTP protocol sort it out (SE Linux is not to prevent mail server
|
|
# misconfiguration)
|
|
mta_tcp_connect_all_mailservers(postfix_smtp_t)
|
|
|
|
########################################
|
|
#
|
|
# Postfix smtpd local policy
|
|
#
|
|
allow postfix_smtpd_t postfix_master_t:tcp_socket rw_stream_socket_perms;
|
|
|
|
# connect to master process
|
|
allow postfix_smtpd_t postfix_master_t:unix_stream_socket connectto;
|
|
allow postfix_smtpd_t { postfix_private_t postfix_public_t }:dir search;
|
|
allow postfix_smtpd_t { postfix_private_t postfix_public_t }:sock_file rw_file_perms;
|
|
|
|
# for prng_exch
|
|
allow postfix_smtpd_t postfix_spool_t:file rw_file_perms;
|
|
allow { postfix_smtp_t postfix_smtpd_t } postfix_prng_t:file rw_file_perms;
|
|
|
|
# for OpenSSL certificates
|
|
files_read_usr_files(postfix_smtpd_t)
|
|
mta_read_aliases(postfix_smtpd_t)
|
|
|
|
optional_policy(`sasl',`
|
|
sasl_connect(postfix_smtpd_t)
|
|
')
|