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policy_module(cyphesis,1.0.0)

########################################
#
# Declarations
#

gen_require(`
    type port_t;
    type system_dbusd_var_run_t;
    type urandom_device_t;
    type initrc_su_t;
    type krb5_conf_t;
    attribute port_type;
    class process setfscreate;
')

type cyphesis_port_t, port_type;

type cyphesis_t;
type cyphesis_exec_t;
domain_type(cyphesis_t)
# To disable the transition to the protected domain (which
# effectively disables the policy), use:
# setsebool cyphesis_disable_trans 1
init_daemon_domain(cyphesis_t, cyphesis_exec_t)

# pid files
type cyphesis_var_run_t;
files_pid_file(cyphesis_var_run_t)

########################################
#
# cyphesis local policy
#
# Check in /etc/selinux/refpolicy/include for macros to use instead of allow rules.
# Note: /usr/share/selinux/devel/include/support/obj_perm_sets.spt contains
# the definitions of many permissions, such as 'rw_dir_perms'

# Some common macros (you might be able to remove some)
corecmd_dontaudit_search_bin(cyphesis_t)
corecmd_search_bin(cyphesis_t)
corecmd_getattr_bin_files(cyphesis_t)
files_read_usr_files(cyphesis_t)
files_read_etc_files(cyphesis_t)
libs_use_ld_so(cyphesis_t)
libs_use_shared_libs(cyphesis_t)
miscfiles_read_localization(cyphesis_t)
## internal communication is often done using fifo and unix sockets.
allow cyphesis_t self:fifo_file { read write };
allow cyphesis_t self:unix_stream_socket create_stream_socket_perms;

# pid file
allow cyphesis_t cyphesis_var_run_t:file manage_file_perms;
allow cyphesis_t cyphesis_var_run_t:sock_file manage_file_perms;
allow cyphesis_t cyphesis_var_run_t:dir rw_dir_perms;
files_pid_filetrans(cyphesis_t,cyphesis_var_run_t, { file sock_file })

# log files
allow cyphesis_t var_log_t:file create;
logging_send_syslog_msg(cyphesis_t)
logging_manage_generic_logs(cyphesis_t)

## Networking basics (adjust to your needs!)
sysnet_dns_name_resolve(cyphesis_t)
corenet_tcp_sendrecv_all_if(cyphesis_t)
corenet_tcp_sendrecv_all_nodes(cyphesis_t)
corenet_all_recvfrom_unlabeled(cyphesis_t)
corenet_tcp_bind_all_nodes(cyphesis_t)
allow cyphesis_t self:tcp_socket { listen accept };
# The application expects cyphesis_port_t to be port 13327.
# The port is defined using semanage:
# semanage port -a -t cyphesis_port_t -p tcp 6767
# semanage port -a -t cyphesis_port_t -p tcp 6769
# semanage port -a -t cyphesis_port_t -p udp 32771
allow cyphesis_t cyphesis_port_t:tcp_socket { name_bind };
corenet_tcp_sendrecv_all_ports(cyphesis_t)
# For communication with the metaserver
allow cyphesis_t port_t:udp_socket { recv_msg send_msg };


# ??
allow cyphesis_t self:netlink_route_socket { bind create getattr nlmsg_read read write };
allow cyphesis_t self:unix_dgram_socket { connect create write };

# Init script handling
init_use_fds(cyphesis_t)
init_use_script_ptys(cyphesis_t)
domain_use_interactive_fds(cyphesis_t)


# Misc rules that are needed.  I don't understand the meaning of some
# of these, and for others I don't yet understand why the game needs
# them

kernel_read_kernel_sysctls(cyphesis_t)
term_dontaudit_use_generic_ptys(cyphesis_t)
allow cyphesis_t self:process setfscreate;

# cyphesis wants to talk to avahi via dbus
avahi_dbus_chat(avahi_t)
avahi_dbus_chat(cyphesis_t)
dbus_send_system_bus(cyphesis_t)
postgresql_stream_connect(cyphesis_t)
allow cyphesis_t system_dbusd_t:unix_stream_socket connectto;
allow cyphesis_t system_dbusd_var_run_t:dir search;
allow cyphesis_t system_dbusd_var_run_t:sock_file write;

allow cyphesis_t self:process { setsched signal };

files_manage_generic_tmp_files(cyphesis_t)
allow cyphesis_t tmp_t:sock_file create;
allow cyphesis_t tmp_t:sock_file unlink;

allow cyphesis_t urandom_device_t:chr_file { getattr ioctl read };
allow cyphesis_t krb5_conf_t:file { getattr read };
allow cyphesis_t proc_t:file { getattr read };
allow cyphesis_t initrc_su_t:process sigchld;