153 lines
5.1 KiB
Plaintext
153 lines
5.1 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; # , nscd_client_domain, mta_delivery_agent, mail_server_sender', nosysadm)
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mta_make_sendmail_mailserver_domain(sendmail_t)
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type sendmail_log_t;
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logging_make_log_file(sendmail_log_t)
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type sendmail_tmp_t;
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files_make_temporary_file(sendmail_tmp_t)
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type sendmail_var_run_t;
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files_make_daemon_runtime_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 { getattr read write append ioctl lock };
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allow sendmail_t self:unix_stream_socket { create ioctl read getattr write setattr append bind connect getopt setopt shutdown listen accept };
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allow sendmail_t self:unix_dgram_socket { create ioctl read getattr write setattr append bind connect getopt setopt shutdown };
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allow sendmail_t sendmail_log_t:file { create ioctl read getattr lock write setattr append link unlink rename };
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allow sendmail_t sendmail_log_t:dir { getattr search read lock ioctl add_name remove_name write setattr };
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logging_create_private_log(sendmail_t,sendmail_log_t,{ file dir })
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allow sendmail_t sendmail_tmp_t:dir { create read getattr lock setattr ioctl link unlink rename search add_name remove_name reparent write rmdir };
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allow sendmail_t sendmail_tmp_t:file { create ioctl read getattr lock write setattr append link unlink rename };
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files_create_private_tmp_data(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_daemon_runtime_data(sendmail_t,sendmail_var_run_t)
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kernel_read_kernel_sysctl(sendmail_t)
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kernel_read_hardware_state(sendmail_t)
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corenetwork_sendrecv_tcp_on_all_interfaces(sendmail_t)
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corenetwork_sendrecv_raw_on_all_interfaces(sendmail_t)
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corenetwork_sendrecv_udp_on_all_interfaces(sendmail_t)
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corenetwork_sendrecv_tcp_on_all_nodes(sendmail_t)
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corenetwork_sendrecv_raw_on_all_nodes(sendmail_t)
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corenetwork_sendrecv_udp_on_all_nodes(sendmail_t)
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corenetwork_sendrecv_tcp_on_all_ports(sendmail_t)
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corenetwork_sendrecv_udp_on_all_ports(sendmail_t)
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corenetwork_bind_tcp_on_all_nodes(sendmail_t)
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corenetwork_bind_udp_on_all_nodes(sendmail_t)
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corenetwork_bind_tcp_on_smtp_port(sendmail_t)
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devices_get_pseudorandom_data(sendmail_t)
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fs_get_all_fs_attributes(sendmail_t)
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terminal_ignore_use_console(sendmail_t)
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init_use_file_descriptors(sendmail_t)
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init_script_use_pseudoterminal(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_script_read_runtime_data(sendmail_t)
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init_script_ignore_write_runtime_data(sendmail_t)
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domain_use_widely_inheritable_file_descriptors(sendmail_t)
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files_read_general_system_config(sendmail_t)
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files_search_system_spool_directory(sendmail_t)
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logging_send_system_log_message(sendmail_t)
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libraries_use_dynamic_loader(sendmail_t)
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libraries_use_shared_libraries(sendmail_t)
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# Read /usr/lib/sasl2/.*
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libraries_read_library_resources(sendmail_t)
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miscfiles_read_localization(sendmail_t)
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# Write to /etc/aliases and /etc/mail.
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mta_modify_mail_aliases(sendmail_t)
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# Write to /var/spool/mail and /var/spool/mqueue.
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mta_manage_mail_queue(sendmail_t)
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mta_manage_mail_spool(sendmail_t)
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sysnetwork_read_network_config(sendmail_t)
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ifdef(`targeted_policy', `
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terminal_ignore_use_general_physical_terminal(sendmail_t)
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terminal_ignore_use_general_pseudoterminal(sendmail_t)
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files_ignore_read_rootfs_file(sendmail_t)
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')
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optional_policy(`selinux.te',`
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selinux_newrole_sigchld(sendmail_t)
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')
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optional_policy(`udev.te', `
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udev_read_database(sendmail_t)
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')
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ifdef(`TODO',`
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optional_policy(`rhgb.te', `
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allow sendmail_t rhgb_t:process sigchld;
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allow sendmail_t rhgb_t:fd use;
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allow sendmail_t rhgb_t:fifo_file { read write };
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')
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allow sendmail_t proc_t:dir r_dir_perms;
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allow sendmail_t proc_t:lnk_file read;
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dontaudit sendmail_t unpriv_userdomain:fd use;
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allow sendmail_t autofs_t:dir { search getattr };
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dontaudit sendmail_t sysadm_home_dir_t:dir search;
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can_ypbind(sendmail_t)
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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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corecommands_search_general_programs_directory(sendmail_t)
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procmail_transition(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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