## Policy for sendmail. ######################################## ## ## Sendmail stub interface. No access allowed. ## ## ## ## Domain allowed access. ## ## # interface(`sendmail_stub',` gen_require(` type sendmail_t; ') ') ######################################## ## ## Allow attempts to read and write to ## sendmail unnamed pipes. ## ## ## ## Domain allowed access. ## ## # interface(`sendmail_rw_pipes',` gen_require(` type sendmail_t; ') allow $1 sendmail_t:fifo_file rw_fifo_file_perms; ') ######################################## ## ## Domain transition to sendmail. ## ## ## ## Domain allowed to transition. ## ## # interface(`sendmail_domtrans',` gen_require(` type sendmail_t; ') mta_sendmail_domtrans($1, sendmail_t) ') ####################################### ## ## Execute sendmail in the sendmail domain. ## ## ## ## Domain allowed access. ## ## # interface(`sendmail_initrc_domtrans',` gen_require(` type sendmail_initrc_exec_t; ') init_labeled_script_domtrans($1, sendmail_initrc_exec_t) ') ######################################## ## ## Execute the sendmail program in the sendmail domain. ## ## ## ## Domain allowed to transition. ## ## ## ## ## The role to allow the sendmail domain. ## ## ## # interface(`sendmail_run',` gen_require(` type sendmail_t; ') sendmail_domtrans($1) role $2 types sendmail_t; ') ######################################## ## ## Send generic signals to sendmail. ## ## ## ## Domain allowed access. ## ## # interface(`sendmail_signal',` gen_require(` type sendmail_t; ') allow $1 sendmail_t:process signal; ') ######################################## ## ## Read and write sendmail TCP sockets. ## ## ## ## Domain allowed access. ## ## # interface(`sendmail_rw_tcp_sockets',` gen_require(` type sendmail_t; ') allow $1 sendmail_t:tcp_socket { read write }; ') ######################################## ## ## Do not audit attempts to read and write ## sendmail TCP sockets. ## ## ## ## Domain to not audit. ## ## # interface(`sendmail_dontaudit_rw_tcp_sockets',` gen_require(` type sendmail_t; ') dontaudit $1 sendmail_t:tcp_socket { read write }; ') ######################################## ## ## Read and write sendmail unix_stream_sockets. ## ## ## ## Domain allowed access. ## ## # interface(`sendmail_rw_unix_stream_sockets',` gen_require(` type sendmail_t; ') allow $1 sendmail_t:unix_stream_socket rw_socket_perms; ') ######################################## ## ## Do not audit attempts to read and write ## sendmail unix_stream_sockets. ## ## ## ## Domain to not audit. ## ## # interface(`sendmail_dontaudit_rw_unix_stream_sockets',` gen_require(` type sendmail_t; ') dontaudit $1 sendmail_t:unix_stream_socket rw_socket_perms; ') ######################################## ## ## Read sendmail logs. ## ## ## ## Domain allowed access. ## ## ## # interface(`sendmail_read_log',` gen_require(` type sendmail_log_t; ') logging_search_logs($1) read_files_pattern($1, sendmail_log_t, sendmail_log_t) ') ######################################## ## ## Create, read, write, and delete sendmail logs. ## ## ## ## Domain allowed access. ## ## ## # interface(`sendmail_manage_log',` gen_require(` type sendmail_log_t; ') logging_search_logs($1) manage_files_pattern($1, sendmail_log_t, sendmail_log_t) ') ######################################## ## ## Create sendmail logs with the correct type. ## ## ## ## Domain allowed access. ## ## # interface(`sendmail_create_log',` gen_require(` type sendmail_log_t; ') logging_log_filetrans($1, sendmail_log_t, file) ') ######################################## ## ## Manage sendmail tmp files. ## ## ## ## Domain allowed access. ## ## # interface(`sendmail_manage_tmp_files',` gen_require(` type sendmail_tmp_t; ') files_search_tmp($1) manage_files_pattern($1, sendmail_tmp_t, sendmail_tmp_t) ') ######################################## ## ## Execute sendmail in the unconfined sendmail domain. ## ## ## ## Domain allowed to transition. ## ## # interface(`sendmail_domtrans_unconfined',` gen_require(` type unconfined_sendmail_t; ') mta_sendmail_domtrans($1, unconfined_sendmail_t) ') ######################################## ## ## Execute sendmail in the unconfined sendmail domain, and ## allow the specified role the unconfined sendmail domain, ## and use the caller's terminal. ## ## ## ## Domain allowed to transition. ## ## ## ## ## Role allowed access. ## ## ## # interface(`sendmail_run_unconfined',` gen_require(` type unconfined_sendmail_t; ') sendmail_domtrans_unconfined($1) role $2 types unconfined_sendmail_t; ') ######################################## ## ## Set the attributes of sendmail pid files. ## ## ## ## Domain allowed access. ## ## # interface(`sendmail_setattr_pid_files',` gen_require(` type sendmail_var_run_t; ') allow $1 sendmail_var_run_t:file setattr_file_perms; files_search_pids($1) ') ######################################## ## ## All of the rules required to administrate ## an sendmail environment ## ## ## ## Domain allowed access. ## ## ## ## ## Role allowed access. ## ## ## # interface(`sendmail_admin',` gen_require(` type sendmail_t, sendmail_initrc_exec_t, sendmail_log_t; type sendmail_tmp_t, sendmail_var_run_t, unconfined_sendmail_t; type mail_spool_t; ') allow $1 sendmail_t:process signal_perms; ps_process_pattern($1, sendmail_t) tunable_policy(`deny_ptrace',`',` allow $1 sendmail_t:process ptrace; allow $1 unconfined_sendmail_t:process ptrace; ') allow $1 unconfined_sendmail_t:process signal_perms; ps_process_pattern($1, unconfined_sendmail_t) sendmail_initrc_domtrans($1) domain_system_change_exemption($1) role_transition $2 sendmail_initrc_exec_t system_r; logging_list_logs($1) admin_pattern($1, sendmail_log_t) files_list_tmp($1) admin_pattern($1, sendmail_tmp_t) files_list_pids($1) admin_pattern($1, sendmail_var_run_t) files_list_spool($1) admin_pattern($1, mail_spool_t) ')