268 lines
7.9 KiB
Plaintext
268 lines
7.9 KiB
Plaintext
# Copyright (C) 2005 Tresys Technology, LLC
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#######################################
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#
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# Per user domain template for this module
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#
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# mta_per_userdomain_template(userdomain_prefix)
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#
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define(`mta_per_userdomain_template',`
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requires_block_template(`$0'_depend)
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type $1_mail_t; # , user_mail_domain, nscd_client_domain;
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domain_make_domain($1_mail_t)
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role $1_r types $1_mail_t;
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type $1_mail_tmp_t;
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files_make_temporary_file($1_mail_tmp_t)
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##############################
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#
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# $1_mail_t local policy
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#
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allow $1_mail_t self:capability { setuid setgid chown };
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allow $1_mail_t self:process { sigkill sigstop signull signal setrlimit };
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# tcp networking
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allow $1_mail_t self:tcp_socket { create connect ioctl read getattr write setattr append bind getopt setopt shutdown };
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# re-exec itself
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allow $1_mail_t sendmail_exec_t:file { getattr read execute execute_no_trans };
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allow $1_mail_t sendmail_exec_t:lnk_file { getattr read };
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# Transition from the user domain to the derived domain.
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allow $1_t sendmail_exec_t:file { getattr read execute execute_no_trans };
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allow $1_t sendmail_exec_t:lnk_file { getattr read };
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allow $1_t $1_mail_t:process transition;
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type_transition $1_t sendmail_exec_t:file $1_mail_t;
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kernel_read_kernel_sysctl($1_mail_t)
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corenetwork_network_tcp_on_all_interfaces($1_mail_t)
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corenetwork_network_raw_on_all_interfaces($1_mail_t)
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corenetwork_network_tcp_on_all_nodes($1_mail_t)
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corenetwork_network_raw_on_all_nodes($1_mail_t)
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corenetwork_network_tcp_on_all_ports($1_mail_t)
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corenetwork_bind_tcp_on_all_nodes($1_mail_t)
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domain_use_widely_inheritable_file_descriptors($1_mail_t)
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libraries_use_dynamic_loader($1_mail_t)
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libraries_read_shared_libraries($1_mail_t)
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corecommands_execute_general_programs($1_mail_t)
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files_read_general_system_config($1_mail_t)
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logging_send_system_log_message($1_mail_t)
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miscfiles_read_localization($1_mail_t)
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sysnetwork_read_network_config($1_mail_t)
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tunable_policy(`use_dns',`
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allow $1_mail_t self:udp_socket { create ioctl read getattr write setattr append bind getopt setopt shutdown connect };
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corenetwork_network_udp_on_all_interfaces($1_mail_t)
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corenetwork_network_udp_on_all_nodes($1_mail_t)
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corenetwork_bind_udp_on_all_nodes($1_mail_t)
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corenetwork_network_udp_on_dns_port($1_mail_t)
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')
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optional_policy(`procmail.te',`
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procmail_execute($1_mail_t)
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')
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ifdef(`TODO',`
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can_ypbind($1_mail_t)
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allow $1_mail_t device_t:dir search;
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allow $1_mail_t { var_t var_spool_t }:dir search;
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allow $1_mail_t sbin_t:dir search;
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# It wants to check for nscd
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dontaudit $1_mail_t var_run_t:dir search;
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# For when the user wants to send mail via port 25 localhost
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can_tcp_connect($1_t, mail_server_domain)
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# Read user temporary files.
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allow $1_mail_t $1_tmp_t:file r_file_perms;
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dontaudit $1_mail_t $1_tmp_t:file append;
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ifdef(`postfix.te', `
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# postfix seems to need write access if the file handle is opened read/write
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allow $1_mail_t $1_tmp_t:file write;
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')dnl end if postfix
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allow mta_user_agent $1_tmp_t:file { read getattr };
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# Write to the user domain tty.
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allow mta_user_agent $1_tty_device_t:chr_file { read write getattr ioctl };
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allow mta_user_agent devpts_t:dir { read search getattr };
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allow mta_user_agent $1_devpts_t:chr_file { read write getattr ioctl };
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allow $1_mail_t $1_tty_device_t:chr_file { read write getattr ioctl };
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allow $1_mail_t devpts_t:dir { read search getattr };
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allow $1_mail_t $1_devpts_t:chr_file { read write getattr ioctl };
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# Inherit and use descriptors from gnome-pty-helper.
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ifdef(`gnome-pty-helper.te', `allow $1_mail_t $1_gph_t:fd use;')
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# Create dead.letter in user home directories.
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file_type_auto_trans($1_mail_t, $1_home_dir_t, $1_home_t, file)
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if (use_samba_home_dirs) {
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rw_dir_create_file($1_mail_t, cifs_t)
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}
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# if you do not want to allow dead.letter then use the following instead
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#allow $1_mail_t { $1_home_dir_t $1_home_t }:dir r_dir_perms;
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#allow $1_mail_t $1_home_t:file r_file_perms;
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# for reading .forward - maybe we need a new type for it?
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# also for delivering mail to maildir
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file_type_auto_trans(mta_delivery_agent, $1_home_dir_t, $1_home_t)
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ifdef(`qmail.te', `
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allow $1_mail_t qmail_etc_t:dir search;
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allow $1_mail_t qmail_etc_t:{ file lnk_file } read;
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')dnl end if qmail
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') dnl end TODO
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')
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define(`mta_per_userdomain_template_depend',`
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')
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#######################################
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#
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# mta_make_mailserver_domain(domain,entrypointtype)
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#
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define(`mta_make_mailserver_domain',`
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requires_block_template(`$0'_depend)
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init_make_daemon_domain($1,$2)
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typeattribute $1 mailserver_domain;
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')
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define(`mta_make_mailserver_domain_depend',`
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attribute mailserver_domain;
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')
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#######################################
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#
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# mta_make_sendmail_mailserver_domain(domain,entrypointtype)
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#
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define(`mta_make_sendmail_mailserver_domain',`
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requires_block_template(`$0'_depend)
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mta_make_mailserver_domain($1,sendmail_exec_t)
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')
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define(`mta_make_sendmail_mailserver_domain_depend',`
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type sendmail_exec_t;
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')
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#######################################
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#
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# mta_send_mail(domain)
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#
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define(`mta_send_mail',`
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requires_block_template(`$0'_depend)
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allow $1 sendmail_exec_t:lnk_file { getattr read };
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allow $1 sendmail_exec_t:file { getattr read execute };
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allow $1 system_mail_t:process transition;
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type_transition $1 sendmail_exec_t:file system_mail_t;
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dontaudit $1 system_mail_t:process { noatsecure siginh rlimitinh };
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allow $1 system_mail_t:fd use;
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allow system_mail_t $1:process sigchld;
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allow system_mail_t $1:fd use;
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allow system_mail_t $1:fifo_file { ioctl read getattr lock write append };
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')
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define(`mta_send_mail_depend',`
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type system_mail_t, sendmail_exec_t;
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class file { getattr read execute };
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class lnk_file { getattr read };
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class process { transition noatsecure siginh rlimitinh sigchld };
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class fd use;
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class fifo_file { ioctl read getattr lock write append };
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')
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#######################################
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#
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# mta_execute(domain)
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#
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define(`mta_execute',`
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requires_block_template(`$0'_depend)
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allow $1 sendmail_exec_t:file { getattr read execute execute_no_trans };
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')
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define(`mta_execute_depend',`
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type sendmail_exec_t;
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class file { getattr read execute execute_no_trans };
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')
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#######################################
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#
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# mta_modify_mail_aliases(domain)
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#
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define(`mta_modify_mail_aliases',`
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requires_block_template(`$0'_depend)
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allow sendmail_t etc_aliases_t:file { getattr read write append setattr };
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')
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define(`mta_modify_mail_aliases_depend',`
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type etc_aliases_t;
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class file { getattr read write append setattr };
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')
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#######################################
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#
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# mta_modify_mail_spool(domain)
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#
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define(`mta_modify_mail_spool',`
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requires_block_template(`$0'_depend)
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allow $1 mail_spool_t:dir { read getattr lock search ioctl add_name remove_name write };
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allow $1 mail_spool_t:file { getattr read write append setattr };
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')
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define(`mta_modify_mail_spool_depend',`
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type mail_spool_t;
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class dir { read getattr lock search ioctl add_name remove_name write };
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class file { create ioctl read getattr lock write setattr append link unlink rename };
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')
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#######################################
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#
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# mta_manage_mail_spool(domain)
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#
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define(`mta_manage_mail_spool',`
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requires_block_template(`$0'_depend)
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allow $1 mail_spool_t:dir { read getattr lock search ioctl add_name remove_name write };
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allow $1 mail_spool_t:file { create ioctl read getattr lock write setattr append link unlink rename };
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')
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define(`mta_manage_mail_spool_depend',`
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type mail_spool_t;
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class dir { read getattr lock search ioctl add_name remove_name write };
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class file { create ioctl read getattr lock write setattr append link unlink rename };
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')
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#######################################
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#
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# mta_manage_mail_queue(domain)
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#
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define(`mta_manage_mail_queue',`
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requires_block_template(`$0'_depend)
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allow $1 mqueue_spool_t:dir { read getattr lock search ioctl add_name remove_name write };
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allow $1 mqueue_spool_t:file { create ioctl read getattr lock write setattr append link unlink rename };
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')
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define(`mta_manage_mail_queue_depend',`
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type mqueue_spool_t;
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class dir { read getattr lock search ioctl add_name remove_name write };
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class file { create ioctl read getattr lock write setattr append link unlink rename }
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')
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