policy_module(fail2ban, 1.5.0)

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

attribute_role fail2ban_client_roles;

type fail2ban_t;
type fail2ban_exec_t;
init_daemon_domain(fail2ban_t, fail2ban_exec_t)

type fail2ban_initrc_exec_t;
init_script_file(fail2ban_initrc_exec_t)

type fail2ban_log_t;
logging_log_file(fail2ban_log_t)

type fail2ban_var_lib_t;
files_type(fail2ban_var_lib_t)

type fail2ban_var_run_t;
files_pid_file(fail2ban_var_run_t)

type fail2ban_tmp_t;
files_tmp_file(fail2ban_tmp_t)

type fail2ban_client_t;
type fail2ban_client_exec_t;
init_system_domain(fail2ban_client_t, fail2ban_client_exec_t)
role fail2ban_client_roles types fail2ban_client_t;

########################################
#
# Server Local policy
#

allow fail2ban_t self:capability { dac_read_search sys_tty_config };
allow fail2ban_t self:process { getpgid setsched signal };
allow fail2ban_t self:fifo_file rw_fifo_file_perms;
allow fail2ban_t self:unix_stream_socket { accept connectto listen };
allow fail2ban_t self:tcp_socket { accept listen };
allow fail2ban_t self:netlink_netfilter_socket create_socket_perms;

read_files_pattern(fail2ban_t, fail2ban_t, fail2ban_t)

append_files_pattern(fail2ban_t, fail2ban_log_t, fail2ban_log_t)
create_files_pattern(fail2ban_t, fail2ban_log_t, fail2ban_log_t)
setattr_files_pattern(fail2ban_t, fail2ban_log_t, fail2ban_log_t)
logging_log_filetrans(fail2ban_t, fail2ban_log_t, file)

manage_dirs_pattern(fail2ban_t, fail2ban_tmp_t, fail2ban_tmp_t)
manage_files_pattern(fail2ban_t, fail2ban_tmp_t, fail2ban_tmp_t)
exec_files_pattern(fail2ban_t, fail2ban_tmp_t, fail2ban_tmp_t)
files_tmp_filetrans(fail2ban_t, fail2ban_tmp_t, { dir file })

manage_dirs_pattern(fail2ban_t, fail2ban_var_lib_t, fail2ban_var_lib_t)
manage_files_pattern(fail2ban_t, fail2ban_var_lib_t, fail2ban_var_lib_t)

manage_dirs_pattern(fail2ban_t, fail2ban_var_run_t, fail2ban_var_run_t)
manage_sock_files_pattern(fail2ban_t, fail2ban_var_run_t, fail2ban_var_run_t)
manage_files_pattern(fail2ban_t, fail2ban_var_run_t, fail2ban_var_run_t)
files_pid_filetrans(fail2ban_t, fail2ban_var_run_t, file)

kernel_read_system_state(fail2ban_t)
kernel_read_network_state(fail2ban_t)
kernel_read_net_sysctls(fail2ban_t)

corecmd_exec_bin(fail2ban_t)
corecmd_exec_shell(fail2ban_t)

corenet_all_recvfrom_netlabel(fail2ban_t)
corenet_tcp_sendrecv_generic_if(fail2ban_t)
corenet_tcp_sendrecv_generic_node(fail2ban_t)

corenet_sendrecv_whois_client_packets(fail2ban_t)
corenet_tcp_connect_whois_port(fail2ban_t)
corenet_tcp_sendrecv_whois_port(fail2ban_t)

dev_read_urand(fail2ban_t)
dev_read_sysfs(fail2ban_t)

domain_use_interactive_fds(fail2ban_t)
domain_dontaudit_read_all_domains_state(fail2ban_t)

files_read_etc_runtime_files(fail2ban_t)
files_list_var(fail2ban_t)
files_dontaudit_list_tmp(fail2ban_t)

fs_getattr_all_fs(fail2ban_t)

auth_use_nsswitch(fail2ban_t)

logging_read_all_logs(fail2ban_t)
logging_read_audit_log(fail2ban_t)
logging_send_syslog_msg(fail2ban_t)
logging_read_syslog_pid(fail2ban_t)
logging_dontaudit_search_audit_logs(fail2ban_t)
logging_mmap_generic_logs(fail2ban_t)
logging_mmap_journal(fail2ban_t)
allow fail2ban_t fail2ban_log_t:file watch;
gen_require(`
        attribute logfile;
')
allow fail2ban_t logfile:dir { watch_dir_perms };
allow fail2ban_t logfile:file { watch_file_perms };
# Not in EL9 yet
#logging_watch_audit_log_files(fail2ban_t)
gen_require(`
	type var_log_t, auditd_log_t;
')
watch_files_pattern(fail2ban_t, auditd_log_t, auditd_log_t)
#logging_watch_audit_log_dirs(fail2ban_t)
allow fail2ban_t var_log_t:dir search_dir_perms;
watch_dirs_pattern(fail2ban_t, auditd_log_t, auditd_log_t)
logging_watch_generic_log_dirs(fail2ban_t)
logging_watch_journal_dir(fail2ban_t)

mta_send_mail(fail2ban_t)

sysnet_manage_config(fail2ban_t)

optional_policy(`
	apache_read_log(fail2ban_t)
')

optional_policy(`
	dbus_system_bus_client(fail2ban_t)
	dbus_connect_system_bus(fail2ban_t)

	optional_policy(`
		firewalld_dbus_chat(fail2ban_t)
	')
')

optional_policy(`
	ftp_read_log(fail2ban_t)
')

optional_policy(`
	gnome_dontaudit_search_config(fail2ban_t)
')

optional_policy(`
	iptables_domtrans(fail2ban_t)
')

optional_policy(`
	allow fail2ban_t self:capability sys_resource;
	allow fail2ban_t self:process setrlimit;
	journalctl_exec(fail2ban_t)
')

optional_policy(`
	libs_exec_ldconfig(fail2ban_t)
')

optional_policy(`
	rpm_exec(fail2ban_t)
')

optional_policy(`
	shorewall_domtrans(fail2ban_t)
')

########################################
#
# Client Local policy
#

allow fail2ban_client_t self:capability { dac_read_search  };
allow fail2ban_client_t self:unix_stream_socket { create connect write read };

domtrans_pattern(fail2ban_client_t, fail2ban_exec_t, fail2ban_t)

allow fail2ban_client_t fail2ban_t:process { rlimitinh };

dontaudit fail2ban_client_t fail2ban_var_run_t:dir_file_class_set audit_access;
allow fail2ban_client_t fail2ban_var_run_t:dir write;
stream_connect_pattern(fail2ban_client_t, fail2ban_var_run_t, fail2ban_var_run_t, fail2ban_t)

kernel_read_system_state(fail2ban_client_t)

corecmd_exec_bin(fail2ban_client_t)

dev_read_urand(fail2ban_client_t)
dev_read_rand(fail2ban_client_t)

domain_use_interactive_fds(fail2ban_client_t)

files_search_pids(fail2ban_client_t)

auth_use_nsswitch(fail2ban_client_t)

libs_exec_ldconfig(fail2ban_client_t)

logging_getattr_all_logs(fail2ban_client_t)
logging_search_all_logs(fail2ban_client_t)
logging_read_audit_log(fail2ban_client_t)

userdom_dontaudit_search_user_home_dirs(fail2ban_client_t)
userdom_use_user_terminals(fail2ban_client_t)

optional_policy(`
    apache_read_log(fail2ban_client_t)
')