policy/modules/services/mta.te

   1
   2 policy_module(mta,1.9.1)
   3
   4 ########################################
   5 #
   6 # Declarations
   7 #
   8
   9 attribute mta_user_agent;
  10 attribute mailserver_delivery;
  11 attribute mailserver_domain;
  12 attribute mailserver_sender;
  13
  14 attribute user_mail_domain;
  15
  16 type etc_aliases_t;
  17 files_type(etc_aliases_t)
  18
  19 type etc_mail_t;
  20 files_config_file(etc_mail_t)
  21
  22 type mqueue_spool_t;
  23 files_type(mqueue_spool_t)
  24
  25 type mail_spool_t;
  26 files_type(mail_spool_t)
  27
  28 type sendmail_exec_t;
  29 application_executable_file(sendmail_exec_t)
  30
  31 mta_base_mail_template(system)
  32 role system_r types system_mail_t;
  33
  34 ########################################
  35 #
  36 # System mail local policy
  37 #
  38
  39 # newalias required this, not sure if it is needed in 'if' file
  40 allow system_mail_t self:capability { dac_override };
  41
  42 read_files_pattern(system_mail_t,etc_mail_t,etc_mail_t)
  43
  44 kernel_read_system_state(system_mail_t)
  45 kernel_read_network_state(system_mail_t)
  46
  47 dev_read_rand(system_mail_t)
  48 dev_read_urand(system_mail_t)
  49
  50 init_use_script_ptys(system_mail_t)
  51
  52 sysadm_use_terms(system_mail_t)
  53 sysadm_dontaudit_search_home_dirs(system_mail_t)
  54
  55 optional_policy(`
  56         apache_read_squirrelmail_data(system_mail_t)
  57         apache_append_squirrelmail_data(system_mail_t)
  58
  59         # apache should set close-on-exec
  60         apache_dontaudit_append_log(system_mail_t)
  61         apache_dontaudit_rw_stream_sockets(system_mail_t)
  62         apache_dontaudit_rw_tcp_sockets(system_mail_t)
  63         apache_dontaudit_rw_sys_script_stream_sockets(system_mail_t)
  64 ')
  65
  66 optional_policy(`
  67         arpwatch_manage_tmp_files(system_mail_t)
  68
  69         ifdef(`hide_broken_symptoms', `
  70                 arpwatch_dontaudit_rw_packet_sockets(system_mail_t)
  71         ')
  72 ')
  73
  74 optional_policy(`
  75         cron_read_system_job_tmp_files(system_mail_t)
  76         cron_dontaudit_write_pipes(system_mail_t)
  77 ')
  78
  79 optional_policy(`
  80         cvs_read_data(system_mail_t)
  81 ')
  82
  83 optional_policy(`
  84         logrotate_read_tmp_files(system_mail_t)
  85 ')
  86
  87 optional_policy(`
  88         logwatch_read_tmp_files(system_mail_t)
  89 ')
  90
  91 optional_policy(`
  92         nagios_read_tmp_files(system_mail_t)
  93 ')
  94
  95 optional_policy(`
  96         manage_dirs_pattern(system_mail_t,etc_aliases_t,etc_aliases_t)
  97         manage_files_pattern(system_mail_t,etc_aliases_t,etc_aliases_t)
  98         manage_lnk_files_pattern(system_mail_t,etc_aliases_t,etc_aliases_t)
  99         manage_fifo_files_pattern(system_mail_t,etc_aliases_t,etc_aliases_t)
 100         manage_sock_files_pattern(system_mail_t,etc_aliases_t,etc_aliases_t)
 101         files_etc_filetrans(system_mail_t,etc_aliases_t,{ file lnk_file sock_file fifo_file })
 102
 103         domain_use_interactive_fds(system_mail_t)
 104
 105         # postfix needs this for newaliases
 106         files_getattr_tmp_dirs(system_mail_t)
 107
 108         postfix_exec_master(system_mail_t)
 109         postfix_read_config(system_mail_t)
 110         postfix_search_spool(system_mail_t)
 111
 112         ifdef(`distro_redhat',`
 113                 # compatability for old default main.cf
 114                 postfix_config_filetrans(system_mail_t,etc_aliases_t,{ dir file lnk_file sock_file fifo_file })
 115         ')
 116
 117         optional_policy(`
 118                 cron_rw_tcp_sockets(system_mail_t)
 119         ')
 120 ')
 121
 122 optional_policy(`
 123         qmail_domtrans_inject(system_mail_t)
 124 ')
 125
 126 optional_policy(`
 127         sxid_read_log(system_mail_t)
 128 ')
 129
 130 optional_policy(`
 131         userdom_dontaudit_use_unpriv_users_ptys(system_mail_t)
 132
 133         optional_policy(`
 134                 cron_dontaudit_append_system_job_tmp_files(system_mail_t)
 135         ')
 136 ')
 137
 138 optional_policy(`
 139         smartmon_read_tmp_files(system_mail_t)
 140 ')
 141
 142 # should break this up among sections:
 143
 144 optional_policy(`
 145         # why is mail delivered to a directory of type arpwatch_data_t?
 146         arpwatch_search_data(mailserver_delivery)
 147         arpwatch_manage_tmp_files(mta_user_agent)
 148
 149         ifdef(`hide_broken_symptoms', `
 150                 arpwatch_dontaudit_rw_packet_sockets(mta_user_agent)
 151         ')
 152
 153         optional_policy(`
 154                 cron_read_system_job_tmp_files(mta_user_agent)
 155         ')
 156 ')