#
# Pyzor - Pyzor is a collaborative, networked system to detect and
#         block spam using identifying digests of messages.
#
# Author:  David Hampton <hampton@employees.org>
#

##########
# common definitions for pyzord and all flavors of pyzor
##########
define(`pyzor_base_domain',`

# Networking
can_network_client_tcp($1_t, http_port_t);
can_network_udp($1_t, pyzor_port_t);
can_resolve($1_t);

general_proc_read_access($1_t)

tmp_domain($1)

allow $1_t bin_t:dir { getattr search };
allow $1_t bin_t:file getattr;
allow $1_t lib_t:file { getattr read };
allow $1_t { var_t var_lib_t var_run_t }:dir search;
uses_shlib($1_t)

# Python does a getattr on this file
allow $1_t pyzor_exec_t:file getattr;

# mktemp and other randoms
allow $1_t { random_device_t urandom_device_t }:chr_file r_file_perms;

# Allow access to various files in the /etc/directory including mtab
# and nsswitch
allow $1_t { etc_t etc_runtime_t }:file { getattr read };
read_locale($1_t)
')


#
# Define a user domain for a pyzor
#
# Note: expects to be called with an argument of user, sysadm

define(`pyzor_domain',`
type $1_pyzor_t, domain, privlog, nscd_client_domain;
role $1_r types $1_pyzor_t;
domain_auto_trans($1_t, pyzor_exec_t, $1_pyzor_t)

pyzor_base_domain($1_pyzor)

# Per-user config/data files
home_domain($1, pyzor)
file_type_auto_trans($1_pyzor_t, $1_home_dir_t, $1_pyzor_home_t, dir)

# System config files
r_dir_file($1_pyzor_t, pyzor_etc_t)

# System data files
r_dir_file($1_pyzor_t, pyzor_var_lib_t);

allow $1_pyzor_t self:unix_stream_socket create_stream_socket_perms;

# Allow pyzor to be run by hand.  Needed by any action other than
# invocation from a spam filter.
allow $1_pyzor_t $1_devpts_t:chr_file rw_file_perms;
allow $1_pyzor_t sshd_t:fd use;
')