policy_module(samhain, 1.6.0)

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

attribute samhain_domain;

attribute_role samhain_roles;
roleattribute system_r samhain_roles;

type samhain_etc_t;
files_config_file(samhain_etc_t)

type samhain_exec_t;
corecmd_executable_file(samhain_exec_t)

type samhain_log_t;
logging_log_file(samhain_log_t)

type samhain_db_t;
files_type(samhain_db_t)

type samhain_initrc_exec_t;
init_script_file(samhain_initrc_exec_t)

type samhain_runtime_t alias samhain_var_run_t;
files_pid_file(samhain_runtime_t)

samhain_service_template(samhain)
application_domain(samhain_t, samhain_exec_t)
role samhain_roles types samhain_t;

samhain_service_template(samhaind)
init_system_domain(samhaind_t, samhain_exec_t)

ifdef(`enable_mcs',`
	init_ranged_system_domain(samhaind_t, samhain_exec_t, mcs_systemhigh)
')

ifdef(`enable_mls',`
	init_ranged_system_domain(samhaind_t, samhain_exec_t, mls_systemhigh)
')

########################################
#
# Common samhain domain local policy
#

allow samhain_domain self:capability { dac_override dac_read_search fowner ipc_lock };
dontaudit samhain_domain self:capability { sys_ptrace sys_resource };
allow samhain_domain self:process { setsched setrlimit signull };
allow samhain_domain self:fd use;
allow samhain_domain self:fifo_file rw_fifo_file_perms;

allow samhain_domain samhain_etc_t:file read_file_perms;

manage_files_pattern(samhain_domain, samhain_log_t, samhain_log_t)
logging_log_filetrans(samhain_domain, samhain_log_t, file)

manage_files_pattern(samhain_domain, samhain_runtime_t, samhain_runtime_t)
files_pid_filetrans(samhain_domain, samhain_runtime_t, file)

kernel_getattr_core_if(samhain_domain)

corecmd_list_bin(samhain_domain)

dev_read_urand(samhain_domain)
dev_dontaudit_read_rand(samhain_domain)
dev_getattr_all_blk_files(samhain_domain)
dev_getattr_all_chr_files(samhain_domain)
dev_getattr_generic_blk_files(samhain_domain)
dev_getattr_generic_chr_files(samhain_domain)

files_getattr_all_dirs(samhain_domain)
files_getattr_all_files(samhain_domain)
files_getattr_all_symlinks(samhain_domain)
files_getattr_all_pipes(samhain_domain)
files_getattr_all_sockets(samhain_domain)
files_getattr_all_mountpoints(samhain_domain)
files_read_all_symlinks(samhain_domain)
files_search_etc(samhain_domain)

fs_getattr_all_dirs(samhain_domain)

auth_read_login_records(samhain_domain)

init_read_utmp(samhain_domain)

logging_send_syslog_msg(samhain_domain)

########################################
#
# Client local policy
#

manage_files_pattern(samhain_t, samhain_db_t, samhain_db_t)
manage_dirs_pattern(samhain_t, samhain_db_t, samhain_db_t)
files_var_lib_filetrans(samhain_t, samhain_db_t, { file dir })

domain_use_interactive_fds(samhain_t)

seutil_sigchld_newrole(samhain_t)

userdom_use_user_terminals(samhain_t)

########################################
#
# Server local policy
#

allow samhaind_t { samhain_t self }:process signal_perms;

can_exec(samhaind_t, samhain_exec_t)

read_files_pattern(samhaind_t, samhain_db_t, samhain_db_t)

corenet_tcp_connect_smtp_port(samhaind_t)

dev_read_rand(samhaind_t)

init_use_script_ptys(samhaind_t)

sysnet_dns_name_resolve(samhaind_t)