## Filter used for removing unsolicited email. ####################################### ## ## The per user domain template for the spamassassin module. ## ## ##

## The per user domain template for the spamassassin module. ##

##

## This template is invoked automatically for each user, and ## generally does not need to be invoked directly ## by policy writers. ##

##
## ## ## The prefix of the user domain (e.g., user ## is the prefix for user_t). ## ## ## ## ## The type of the user domain. ## ## ## ## ## The role associated with the user domain. ## ## # # cjp: when tunables are available, spamc stuff should be # toggled on activation of spamc, and similarly for spamd. template(`spamassassin_per_userdomain_template',` ############################## # # Declarations # type $1_spamc_t; domain_type($1_spamc_t) domain_entry_file($1_spamc_t,spamc_exec_t) role $3 types $1_spamc_t; type $1_spamc_tmp_t; files_tmp_file($1_spamc_tmp_t) type $1_spamassassin_t; domain_type($1_spamassassin_t) domain_entry_file($1_spamassassin_t,spamassassin_exec_t) role $3 types $1_spamassassin_t; type $1_spamassassin_home_t alias $1_spamassassin_rw_t; userdom_user_home_content($1,$1_spamassassin_home_t) files_poly_member($1_spamassassin_home_t) type $1_spamassassin_tmp_t; files_tmp_file($1_spamassassin_tmp_t) ############################## # # $1_spamc_t local policy # allow $1_spamc_t self:process ~{ ptrace setcurrent setexec setfscreate setrlimit execmem execstack execheap }; allow $1_spamc_t self:fd use; allow $1_spamc_t self:fifo_file rw_file_perms; allow $1_spamc_t self:sock_file r_file_perms; allow $1_spamc_t self:shm create_shm_perms; allow $1_spamc_t self:sem create_sem_perms; allow $1_spamc_t self:msgq create_msgq_perms; allow $1_spamc_t self:msg { send receive }; allow $1_spamc_t self:unix_dgram_socket create_socket_perms; allow $1_spamc_t self:unix_stream_socket create_stream_socket_perms; allow $1_spamc_t self:unix_dgram_socket sendto; allow $1_spamc_t self:unix_stream_socket connectto; allow $1_spamc_t self:tcp_socket create_stream_socket_perms; allow $1_spamc_t self:udp_socket create_socket_perms; allow $1_spamc_t $1_spamc_tmp_t:dir create_dir_perms; allow $1_spamc_t $1_spamc_tmp_t:file create_file_perms; files_tmp_filetrans($1_spamc_t, $1_spamc_tmp_t, { file dir }) # Allow connecting to a local spamd allow $1_spamc_t spamd_t:tcp_socket { connectto recvfrom }; allow spamd_t $1_spamc_t:tcp_socket { acceptfrom recvfrom }; allow $1_spamc_t spamd_t:unix_stream_socket connectto; allow $1_spamc_t spamd_tmp_t:sock_file rw_file_perms; domain_auto_trans($2, spamc_exec_t, $1_spamc_t) allow $2 $1_spamc_t:fd use; allow $1_spamc_t $2:fd use; allow $1_spamc_t $2:fifo_file rw_file_perms; allow $1_spamc_t $2:process sigchld; kernel_read_kernel_sysctls($1_spamc_t) kernel_tcp_recvfrom($1_spamc_t) corenet_non_ipsec_sendrecv($1_spamc_t) corenet_tcp_sendrecv_generic_if($1_spamc_t) corenet_udp_sendrecv_generic_if($1_spamc_t) corenet_tcp_sendrecv_all_nodes($1_spamc_t) corenet_udp_sendrecv_all_nodes($1_spamc_t) corenet_tcp_sendrecv_all_ports($1_spamc_t) corenet_udp_sendrecv_all_ports($1_spamc_t) corenet_tcp_connect_all_ports($1_spamc_t) corenet_sendrecv_all_client_packets($1_spamc_t) fs_search_auto_mountpoints($1_spamc_t) # cjp: these should probably be removed: corecmd_list_bin($1_spamc_t) corecmd_read_bin_symlinks($1_spamc_t) corecmd_read_bin_files($1_spamc_t) corecmd_read_bin_pipes($1_spamc_t) corecmd_read_bin_sockets($1_spamc_t) corecmd_list_sbin($1_spamc_t) corecmd_read_sbin_symlinks($1_spamc_t) corecmd_read_sbin_files($1_spamc_t) corecmd_read_sbin_pipes($1_spamc_t) corecmd_read_sbin_sockets($1_spamc_t) domain_use_interactive_fds($1_spamc_t) files_read_etc_files($1_spamc_t) files_read_etc_runtime_files($1_spamc_t) files_read_usr_files($1_spamc_t) files_dontaudit_search_var($1_spamc_t) # cjp: this may be removable: files_list_home($1_spamc_t) libs_use_ld_so($1_spamc_t) libs_use_shared_libs($1_spamc_t) logging_send_syslog_msg($1_spamc_t) miscfiles_read_localization($1_spamc_t) # cjp: this should probably be removed: seutil_read_config($1_spamc_t) sysnet_read_config($1_spamc_t) userdom_use_unpriv_users_fds($1_spamc_t) # cjp: this really should just be the # terminal specific to the role userdom_use_unpriv_users_ptys($1_spamc_t) # cjp: this should probably be removed: tunable_policy(`read_default_t',` files_list_default($1_spamc_t) files_read_default_files($1_spamc_t) files_read_default_symlinks($1_spamc_t) files_read_default_sockets($1_spamc_t) files_read_default_pipes($1_spamc_t) ') optional_policy(` # Allow connection to spamd socket above evolution_stream_connect($1,$1_spamc_t) ') optional_policy(` nis_use_ypbind($1_spamc_t) ') optional_policy(` nscd_socket_use($1_spamc_t) ') optional_policy(` mta_read_config($1_spamc_t) sendmail_stub($1_spamc_t) ') ############################## # # $1_spamassassin_t local policy # allow $1_spamassassin_t self:process ~{ ptrace setcurrent setexec setfscreate setrlimit execmem execstack execheap }; allow $1_spamassassin_t self:fd use; allow $1_spamassassin_t self:fifo_file rw_file_perms; allow $1_spamassassin_t self:sock_file r_file_perms; allow $1_spamassassin_t self:unix_dgram_socket create_socket_perms; allow $1_spamassassin_t self:unix_stream_socket create_stream_socket_perms; allow $1_spamassassin_t self:unix_dgram_socket sendto; allow $1_spamassassin_t self:unix_stream_socket connectto; allow $1_spamassassin_t self:shm create_shm_perms; allow $1_spamassassin_t self:sem create_sem_perms; allow $1_spamassassin_t self:msgq create_msgq_perms; allow $1_spamassassin_t self:msg { send receive }; allow $1_spamassassin_t $1_spamassassin_home_t:dir create_dir_perms; allow $1_spamassassin_t $1_spamassassin_home_t:file create_file_perms; allow $1_spamassassin_t $1_spamassassin_home_t:lnk_file create_lnk_perms; allow $1_spamassassin_t $1_spamassassin_home_t:sock_file create_file_perms; allow $1_spamassassin_t $1_spamassassin_home_t:fifo_file create_file_perms; userdom_user_home_dir_filetrans($1,$1_spamassassin_t,$1_spamassassin_home_t,{ dir file lnk_file sock_file fifo_file }) allow $1_spamassassin_t $1_spamassassin_tmp_t:dir create_dir_perms; allow $1_spamassassin_t $1_spamassassin_tmp_t:file create_file_perms; files_tmp_filetrans($1_spamassassin_t, $1_spamassassin_tmp_t, { file dir }) allow $2 $1_spamassassin_home_t:dir { create_dir_perms relabelfrom relabelto }; allow $2 $1_spamassassin_home_t:file { create_file_perms relabelfrom relabelto }; allow $2 $1_spamassassin_home_t:lnk_file { create_lnk_perms relabelfrom relabelto }; domain_auto_trans($2, spamassassin_exec_t, $1_spamassassin_t) allow $2 $1_spamassassin_t:fd use; allow $1_spamassassin_t $2:fd use; allow $1_spamassassin_t $2:fifo_file rw_file_perms; allow $1_spamassassin_t $2:process sigchld; allow spamd_t $1_spamassassin_home_t:dir create_dir_perms; allow spamd_t $1_spamassassin_home_t:file create_file_perms; allow spamd_t $1_spamassassin_home_t:lnk_file create_lnk_perms; allow spamd_t $1_spamassassin_home_t:sock_file create_file_perms; allow spamd_t $1_spamassassin_home_t:fifo_file create_file_perms; userdom_user_home_dir_filetrans($1,spamd_t,$1_spamassassin_home_t,{ dir file lnk_file sock_file fifo_file }) kernel_read_kernel_sysctls($1_spamassassin_t) dev_read_urand($1_spamassassin_t) fs_search_auto_mountpoints($1_spamassassin_t) # this should probably be removed corecmd_list_bin($1_spamassassin_t) corecmd_read_bin_symlinks($1_spamassassin_t) corecmd_read_bin_files($1_spamassassin_t) corecmd_read_bin_pipes($1_spamassassin_t) corecmd_read_bin_sockets($1_spamassassin_t) corecmd_list_sbin($1_spamassassin_t) corecmd_read_sbin_symlinks($1_spamassassin_t) corecmd_read_sbin_files($1_spamassassin_t) corecmd_read_sbin_pipes($1_spamassassin_t) corecmd_read_sbin_sockets($1_spamassassin_t) domain_use_interactive_fds($1_spamassassin_t) files_read_etc_files($1_spamassassin_t) files_read_etc_runtime_files($1_spamassassin_t) files_list_home($1_spamassassin_t) files_read_usr_files($1_spamassassin_t) files_dontaudit_search_var($1_spamassassin_t) libs_use_ld_so($1_spamassassin_t) libs_use_shared_libs($1_spamassassin_t) logging_send_syslog_msg($1_spamassassin_t) miscfiles_read_localization($1_spamassassin_t) # cjp: this could probably be removed seutil_read_config($1_spamassassin_t) sysnet_dns_name_resolve($1_spamassassin_t) userdom_use_unpriv_users_fds($1_spamassassin_t) userdom_search_user_home_dirs($1,$1_spamassassin_t) # cjp: this really should just be the # terminal specific to the role userdom_use_unpriv_users_ptys($1_spamassassin_t) # this should probably be removed: tunable_policy(`read_default_t',` files_list_default($1_spamassassin_t) files_read_default_files($1_spamassassin_t) files_read_default_symlinks($1_spamassassin_t) files_read_default_sockets($1_spamassassin_t) files_read_default_pipes($1_spamassassin_t) ') # set tunable if you have spamassassin do DNS lookups tunable_policy(`spamassassin_can_network',` allow $1_spamassassin_t self:tcp_socket create_stream_socket_perms; allow $1_spamassassin_t self:udp_socket create_socket_perms; corenet_non_ipsec_sendrecv($1_spamassassin_t) corenet_tcp_sendrecv_generic_if($1_spamassassin_t) corenet_udp_sendrecv_generic_if($1_spamassassin_t) corenet_tcp_sendrecv_all_nodes($1_spamassassin_t) corenet_udp_sendrecv_all_nodes($1_spamassassin_t) corenet_tcp_sendrecv_all_ports($1_spamassassin_t) corenet_udp_sendrecv_all_ports($1_spamassassin_t) corenet_tcp_connect_all_ports($1_spamassassin_t) corenet_sendrecv_all_client_packets($1_spamassassin_t) sysnet_read_config($1_spamassassin_t) ') tunable_policy(`use_nfs_home_dirs',` fs_manage_nfs_dirs($1_spamassassin_t) fs_manage_nfs_files($1_spamassassin_t) fs_manage_nfs_symlinks($1_spamassassin_t) ') tunable_policy(`use_samba_home_dirs',` fs_manage_cifs_dirs($1_spamassassin_t) fs_manage_cifs_files($1_spamassassin_t) fs_manage_cifs_symlinks($1_spamassassin_t) ') optional_policy(` # Write pid file and socket in ~/.evolution/cache/tmp evolution_home_filetrans($1,spamd_t,spamd_tmp_t,{ file sock_file }) ') optional_policy(` # cjp: clearly some redundancy here nis_use_ypbind($1_spamassassin_t) tunable_policy(`spamassassin_can_network && allow_ypbind',` nis_use_ypbind_uncond($1_spamassassin_t) ') ') optional_policy(` mta_read_config($1_spamassassin_t) sendmail_stub($1_spamassassin_t) ') # For perl libraries. allow $1_spamassassin_t lib_t:file rx_file_perms; ') ######################################## ## ## Execute the standalone spamassassin ## program in the caller directory. ## ## ## ## Domain allowed access. ## ## # interface(`spamassassin_exec',` gen_require(` type spamassassin_exec_t; ') can_exec($1,spamassassin_exec_t) ') ######################################## ## ## Singnal the spam assassin daemon ## ## ## ## The type of the process performing this action. ## ## # interface(`spamassassin_signal_spamd',` gen_require(` type spamd_t; ') allow $1 spamd_t:process signal; ') ######################################## ## ## Execute the spamassassin daemon ## program in the caller directory. ## ## ## ## Domain allowed access. ## ## # interface(`spamassassin_exec_spamd',` gen_require(` type spamd_exec_t; ') can_exec($1,spamd_exec_t) ') ######################################## ## ## Execute spamassassin client in the user spamassassin client domain. ## ## ##

## This is a template and should only be called ## from per user domain tempaltes. ##

##
## ## ## The prefix of the user domain. eg user would be the prefix of user_t. ## ## ## ## ## The type of the process performing this action. ## ## # template(`spamassassin_domtrans_user_client',` gen_require(` type $1_spamc_t, spamc_exec_t; ') domain_auto_trans($2,spamc_exec_t,$1_spamc_t) allow $2 $1_spamc_t:fd use; allow $1_spamc_t $2:fd use; allow $1_spamc_t $2:fifo_file rw_file_perms; allow $1_spamc_t $2:process sigchld; ') ######################################## ## ## Execute the spamassassin client ## program in the caller directory. ## ## ## ## Domain allowed access. ## ## # interface(`spamassassin_exec_client',` gen_require(` type spamc_exec_t; ') can_exec($1,spamc_exec_t) ') ######################################## ## ## Execute spamassassin in the user spamassassin domain. ## ## ##

## This is a template and should only be called ## from per user domain tempaltes. ##

##
## ## ## The prefix of the user domain. eg user would be the prefix of user_t. ## ## ## ## ## The type of the process performing this action. ## ## # template(`spamassassin_domtrans_user_local_client',` gen_require(` type $1_spamassassin_t, spamassassin_exec_t; ') domain_auto_trans($2,spamassassin_exec_t,$1_spamassassin_t) allow $2 $1_spamassassin_t:fd use; allow $1_spamassassin_t $2:fd use; allow $1_spamassassin_t $2:fifo_file rw_file_perms; allow $1_spamassassin_t $2:process sigchld; ') ######################################## ## ## Read temporary spamd file. ## ## ## ## The type of the process performing this action. ## ## # interface(`spamassassin_read_spamd_tmp_files',` gen_require(` type spamd_tmp_t; ') allow $1 spamd_tmp_t:file r_file_perms; ') ######################################## ## ## Do not audit attempts to get attributes of temporary ## spamd sockets/ ## ## ## ## Domain to not audit. ## ## # interface(`spamassassin_dontaudit_getattr_spamd_tmp_sockets',` gen_require(` type spamd_tmp_t; ') dontaudit $1 spamd_tmp_t:sock_file getattr; ')