policy_module(sagator,1.0.12);

require {
  attribute serial_device;
  attribute port_type;
  attribute packet_type;
  #attribute reserved_port_type;
  type port_t;
  type smtp_port_t;
  type lmtp_port_t;
  type clamd_var_lib_t; 
  type spamd_port_t; 
  type spamd_t; 
  type rpm_script_t;
  type named_conf_t;
  type lo_node_t;
  type devpts_t;
}

type sagator_t;
type sagator_exec_t;
domain_type(sagator_t)
init_daemon_domain(sagator_t, sagator_exec_t)

type sagator_root_t;
files_type(sagator_root_t)

type sagator_bin_t;
files_type(sagator_bin_t)
can_exec(sagator_t, sagator_bin_t)

type sagator_lib_t;
files_type(sagator_lib_t)

type sagator_etc_t;
files_type(sagator_etc_t)

type sagator_device_t, serial_device;
type sagator_var_t;
files_type(sagator_var_t)

type sagator_tmp_t;
files_tmp_file(sagator_tmp_t)

type sagator_var_run_t;
files_pid_file(sagator_var_run_t)
files_pid_filetrans(sagator_t,sagator_var_run_t,file)

# Roles
role system_r types {
  sagator_exec_t sagator_t sagator_tmp_t
  sagator_root_t sagator_bin_t sagator_lib_t
  sagator_etc_t sagator_var_t sagator_device_t
};

# Network ports
type sagator_port_t, port_type;

#typeattribute sagator_port_t reserved_port_type;
#portcon tcp 27 gen_context(system_u:object_r:sagator_port_t,s0)
#typeattribute sagator_port_t reserved_port_type;
#portcon tcp 28 gen_context(system_u:object_r:sagator_port_t,s0)
#allow sagator_t lo_node_t:tcp_socket node_bind;
#allow sagator_t reserved_port_t:tcp_socket name_bind;

# starting...
kernel_read_system_state(sagator_t)
dev_read_sysfs(sagator_t)
dev_read_urand(sagator_t)
corecmd_exec_bin(sagator_t)
files_read_etc_files(sagator_t)
files_read_etc_runtime_files(sagator_t)
# read python modules
files_read_usr_files(sagator_t)
files_search_var_lib(sagator_t)
files_search_spool(sagator_t)
files_list_world_readable(sagator_t)
files_read_world_readable_files(sagator_t)
files_read_world_readable_symlinks(sagator_t)
# Satisfy readahead
files_read_var_files(sagator_t)
files_read_var_symlinks(sagator_t)
libs_use_ld_so(sagator_t)
libs_use_shared_libs(sagator_t)
# Read /usr/lib/gconv/gconv-modules.* and /usr/lib/python2.2/.*
libs_read_lib_files(sagator_t)
miscfiles_read_localization(sagator_t)

# network
corenet_tcp_sendrecv_all_if(sagator_t)
corenet_tcp_sendrecv_all_nodes(sagator_t)
corenet_tcp_connect_all_ports(sagator_t)
corenet_tcp_bind_reserved_port(sagator_t)
corenet_tcp_bind_all_nodes(sagator_t)

corenet_all_recvfrom_unlabeled(sagator_t)
corenet_all_recvfrom_netlabel(sagator_t)
corenet_tcp_sendrecv_all_ports(sagator_t)

# other
rw_chr_files_pattern(sagator_t, devpts_t, devpts_t);
manage_files_pattern(sagator_t, tmp_t, tmp_t);
manage_files_pattern(sagator_t, sagator_var_run_t, sagator_var_run_t);
allow sagator_t named_conf_t:dir search;

# chroot access
allow sagator_t sagator_root_t:dir search;
allow sagator_t sagator_exec_t:file { entrypoint getattr ioctl read };
allow sagator_t sagator_device_t:chr_file read;
allow sagator_t sagator_device_t:dir search;
allow sagator_t sagator_etc_t:dir search;
allow sagator_t sagator_etc_t:file { getattr read };
allow sagator_t sagator_lib_t:dir search;
allow sagator_t sagator_tmp_t:dir { manage_dir_perms };
allow sagator_t sagator_tmp_t:file { manage_file_perms };
allow sagator_t sagator_var_t:dir { manage_dir_perms };
allow sagator_t sagator_var_t:file { manage_file_perms };

# self IPC
allow sagator_t self:capability { dac_override kill net_bind_service setgid setuid sys_chroot };
allow sagator_t self:process { signal_perms };
allow sagator_t self:tcp_socket { create_stream_socket_perms };
allow sagator_t self:fifo_file { read write };

# libclam clamav access
allow sagator_t clamd_var_lib_t:dir { rw_dir_perms };
allow sagator_t clamd_var_lib_t:file { manage_file_perms };

# spamassassin
allow sagator_t spamd_port_t:tcp_socket { name_connect recv_msg send_msg };
allow spamd_t sagator_root_t:dir { getattr search };

# postfix
allow sagator_t port_t:tcp_socket { recv_msg send_msg };
allow sagator_t smtp_port_t:tcp_socket { name_connect recv_msg send_msg };
allow sagator_t lmtp_port_t:tcp_socket { name_connect recv_msg send_msg };

# allow sagator chroot update from package (rpm) update
allow rpm_script_t sagator_device_t:chr_file { rw_file_perms };
allow rpm_script_t sagator_device_t:dir { relabelfrom rw_dir_perms };

# allow sagator chroot update from init script
allow sagator_t sagator_device_t:chr_file { rw_file_perms };
allow sagator_t sagator_device_t:dir { relabelfrom rw_dir_perms };