170 lines
4.5 KiB
Plaintext
170 lines
4.5 KiB
Plaintext
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policy_module(sendmail,1.0)
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########################################
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#
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# Declarations
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#
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type sendmail_t;
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mta_sendmail_mailserver(sendmail_t)
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mta_mailserver_delivery(sendmail_t)
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mta_mailserver_sender(sendmail_t)
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type sendmail_log_t;
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logging_log_file(sendmail_log_t)
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type sendmail_tmp_t;
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files_tmp_file(sendmail_tmp_t)
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type sendmail_var_run_t;
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files_pid_file(sendmail_var_run_t)
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########################################
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#
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# Sendmail local policy
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#
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allow sendmail_t self:capability { setuid setgid net_bind_service sys_nice chown sys_tty_config };
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allow sendmail_t self:fifo_file rw_file_perms;
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allow sendmail_t self:unix_stream_socket create_stream_socket_perms;
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allow sendmail_t self:unix_dgram_socket create_socket_perms;
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allow sendmail_t sendmail_log_t:file create_file_perms;
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allow sendmail_t sendmail_log_t:dir { rw_dir_perms setattr };
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logging_create_log(sendmail_t,sendmail_log_t,{ file dir })
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allow sendmail_t sendmail_tmp_t:dir create_dir_perms;
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allow sendmail_t sendmail_tmp_t:file create_file_perms;
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files_create_tmp_files(sendmail_t, sendmail_tmp_t, { file dir })
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allow sendmail_t sendmail_var_run_t:file { getattr create read write append setattr unlink };
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files_create_pid(sendmail_t,sendmail_var_run_t)
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kernel_read_kernel_sysctl(sendmail_t)
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# for piping mail to a command
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kernel_read_system_state(sendmail_t)
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corenet_tcp_sendrecv_all_if(sendmail_t)
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corenet_raw_sendrecv_all_if(sendmail_t)
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corenet_udp_sendrecv_all_if(sendmail_t)
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corenet_tcp_sendrecv_all_nodes(sendmail_t)
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corenet_raw_sendrecv_all_nodes(sendmail_t)
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corenet_udp_sendrecv_all_nodes(sendmail_t)
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corenet_tcp_sendrecv_all_ports(sendmail_t)
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corenet_udp_sendrecv_all_ports(sendmail_t)
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corenet_tcp_bind_all_nodes(sendmail_t)
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corenet_udp_bind_all_nodes(sendmail_t)
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corenet_tcp_bind_smtp_port(sendmail_t)
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corenet_tcp_connect_all_ports(sendmail_t)
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dev_read_urand(sendmail_t)
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dev_read_sysfs(sendmail_t)
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fs_getattr_all_fs(sendmail_t)
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fs_search_auto_mountpoints(sendmail_t)
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term_dontaudit_use_console(sendmail_t)
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# for piping mail to a command
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corecmd_exec_shell(sendmail_t)
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domain_use_wide_inherit_fd(sendmail_t)
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files_read_etc_files(sendmail_t)
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files_search_spool(sendmail_t)
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# for piping mail to a command
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files_read_etc_runtime_files(sendmail_t)
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init_use_fd(sendmail_t)
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init_use_script_pty(sendmail_t)
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# sendmail wants to read /var/run/utmp if the controlling tty is /dev/console
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init_read_script_pid(sendmail_t)
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init_dontaudit_write_script_pid(sendmail_t)
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libs_use_ld_so(sendmail_t)
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libs_use_shared_libs(sendmail_t)
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# Read /usr/lib/sasl2/.*
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libs_read_lib(sendmail_t)
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logging_send_syslog_msg(sendmail_t)
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miscfiles_read_localization(sendmail_t)
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sysnet_read_config(sendmail_t)
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userdom_dontaudit_use_unpriv_user_fd(sendmail_t)
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userdom_dontaudit_search_sysadm_home_dir(sendmail_t)
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# Write to /etc/aliases and /etc/mail.
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mta_rw_aliases(sendmail_t)
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# Write to /var/spool/mail and /var/spool/mqueue.
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mta_manage_queue(sendmail_t)
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mta_manage_spool(sendmail_t)
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ifdef(`targeted_policy', `
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term_dontaudit_use_unallocated_tty(sendmail_t)
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term_dontaudit_use_generic_pty(sendmail_t)
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files_dontaudit_read_root_file(sendmail_t)
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')
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optional_policy(`nis.te',`
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nis_use_ypbind(sendmail_t)
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')
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optional_policy(`nscd.te',`
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nscd_use_socket(sendmail_t)
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')
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optional_policy(`selinuxutil.te',`
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seutil_sigchld_newrole(sendmail_t)
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')
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optional_policy(`udev.te', `
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udev_read_db(sendmail_t)
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')
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ifdef(`TODO',`
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optional_policy(`rhgb.te', `
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rhgb_domain(sendmail_t)
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')
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optional_policy(`arpwatch.te',`
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# why is mail delivered to a directory of type arpwatch_data_t?
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allow mta_delivery_agent arpwatch_data_t:dir search;
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')
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#
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# Need this transition to create /etc/aliases.db
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#
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ifdef(`distro_redhat', `
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ifdef(`rpm.te', `
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domain_auto_trans(rpm_script_t, sendmail_exec_t, system_mail_t)
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')
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')
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allow sendmail_t etc_mail_t:dir rw_dir_perms;
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allow sendmail_t etc_mail_t:file create_file_perms;
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# for the start script to run make -C /etc/mail
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allow initrc_t etc_mail_t:dir rw_dir_perms;
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allow initrc_t etc_mail_t:file create_file_perms;
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allow system_mail_t initrc_t:fd use;
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allow system_mail_t initrc_t:fifo_file write;
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# When sendmail runs as user_mail_domain, it needs some extra permissions
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# to update /etc/mail/statistics.
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allow user_mail_domain etc_mail_t:file rw_file_perms;
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# Silently deny attempts to access /root.
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dontaudit system_mail_t { staff_home_dir_t sysadm_home_dir_t}:dir { getattr search };
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# Run procmail in its own domain, if defined.
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ifdef(`procmail.te',`
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corecmd_search_bin(sendmail_t)
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procmail_domtrans(sendmail_t)
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domain_auto_trans(system_mail_t, procmail_exec_t, procmail_t)
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')
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dontaudit sendmail_t admin_tty_type:chr_file { getattr ioctl };
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') dnl end TODO
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