1 files changed, 235 insertions, 0 deletions
diff --git a/src/include/realms.h b/src/include/realms.h
new file mode 100644
index 0000000..23806f4
--- /dev/null
+++ b/src/include/realms.h
@@ -0,0 +1,235 @@
+#ifndef REALMS_H
+#define REALMS_H
+
+/*
+ * realms.h	Structures, prototypes and global variables
+ *		for realms
+ *
+ * Version:	$Id$
+ *
+ */
+
+RCSIDH(realms_h, "$Id$")
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern bool home_servers_udp;	//!< Whether there are any UDP home servers
+
+typedef enum {
+	HOME_TYPE_INVALID = 0,
+	HOME_TYPE_AUTH,		//!< Authentication server
+	HOME_TYPE_ACCT,		//!< Accounting server
+	HOME_TYPE_AUTH_ACCT,	//!< Authentication and accounting server
+
+#ifdef WITH_COA
+	HOME_TYPE_COA,		//!< CoA destination (NAS or Proxy)
+
+#ifdef WITH_COA_TUNNEL
+	HOME_TYPE_AUTH_COA,	//!< auth + coa
+	HOME_TYPE_AUTH_ACCT_COA, //!< auth + acct + coa
+#endif
+#endif
+} home_type_t;
+
+typedef enum {
+	HOME_PING_CHECK_INVALID = 0,
+	HOME_PING_CHECK_NONE,
+	HOME_PING_CHECK_STATUS_SERVER,
+	HOME_PING_CHECK_REQUEST
+} home_ping_check_t;
+
+typedef enum {
+	HOME_STATE_ALIVE = 0,
+	HOME_STATE_ZOMBIE,
+	HOME_STATE_IS_DEAD,
+	HOME_STATE_UNKNOWN,
+	HOME_STATE_ADMIN_DOWN,
+	HOME_STATE_CONNECTION_FAIL,
+} home_state_t;
+
+#define HOME_SERVER_IS_DEAD(_x) (((_x)->state == HOME_STATE_IS_DEAD) || ((_x)->state == HOME_STATE_ADMIN_DOWN) || ((_x)->state == HOME_STATE_CONNECTION_FAIL))
+
+typedef struct fr_socket_limit_t {
+	uint32_t	max_connections;
+	uint32_t	num_connections;
+	uint32_t	max_requests;
+	uint32_t	num_requests;
+	uint32_t	lifetime;
+	uint32_t	idle_timeout;
+} fr_socket_limit_t;
+
+typedef struct home_server {
+	char const		*log_name;		//!< The name used for log messages.
+
+	char const		*name;			//!< Name the server may be referenced by for querying
+							//!< stats or when specifying home servers for a pool.
+
+	bool			dual;			//!< One of a pair of homeservers on consecutive ports.
+	bool			dynamic;		//!< is this a dynamically added home server?
+	bool			nonblock;		//!< Enable a socket non-blocking to the home server.
+#ifdef WITH_COA_TUNNEL
+	bool			recv_coa;		//!< receive CoA packets, too
+#endif
+	char const		*virtual_server;		//!< For internal proxying
+	char const		*parent_server;
+
+	fr_ipaddr_t		ipaddr;			//!< IP address of home server.
+	uint16_t		port;
+
+	char const		*type_str;		//!< String representation of type.
+	home_type_t		type;			//!< Auth, Acct, CoA etc.
+
+	char const		*src_ipaddr_str;	//!< Need to parse the string specially as it may
+							//!< require a DNS lookup and the address family for that
+							//!< is the same as ipaddr.
+	fr_ipaddr_t		src_ipaddr;		//!< Resolved version of src_ipaddr_str.  Preferred source
+							//!< IP address (useful for multihomed systems).
+
+	char const		*proto_str;		//!< String representation of protocol.
+	int			proto;			//!< TCP or UDP.
+
+	fr_socket_limit_t 	limit;
+
+	char const		*secret;
+
+	fr_event_t		*ev;
+	struct timeval		when;
+
+	struct timeval		response_window;
+	uint32_t		response_timeouts;
+	uint32_t		max_response_timeouts;
+	uint32_t		max_outstanding;	//!< Maximum outstanding requests.
+	uint32_t		currently_outstanding;
+
+	time_t			last_packet_sent;
+	time_t			last_packet_recv;
+	time_t			last_failed_open;
+	struct timeval		revive_time;
+	struct timeval		zombie_period_start;
+	uint32_t		zombie_period;		//!< Unresponsive for T, mark it dead.
+
+	int			state;
+
+	char const		*ping_check_str;
+	home_ping_check_t	ping_check;		//!< What method we use to perform the 'ping'
+							//!< none, status-server or fake request.
+
+	char const		*ping_user_name;
+	char const		*ping_user_password;
+
+	uint32_t		ping_interval;
+	uint32_t		num_pings_to_alive;
+	uint32_t		num_sent_pings;
+	uint32_t		num_received_pings;
+	uint32_t		ping_timeout;
+
+	uint32_t		revive_interval;	//!< How often we revive it (if it doesn't support pings).
+	CONF_SECTION		*cs;
+#ifdef WITH_COA
+	uint32_t		coa_irt;
+	uint32_t		coa_mrc;
+	uint32_t		coa_mrt;
+	uint32_t		coa_mrd;
+#ifdef WITH_COA_TUNNEL
+	char const		*recv_coa_server;      	//!< for accepting incoming CoA requests
+#endif
+#endif
+#ifdef WITH_TLS
+	fr_tls_server_conf_t	*tls;
+	uint32_t		connect_timeout;
+	rbtree_t		*listeners;
+#endif
+
+#ifdef WITH_STATS
+	int			number;
+
+	fr_stats_t		stats;
+
+	fr_stats_ema_t  	ema;
+#endif
+#ifdef HAVE_TRUST_ROUTER_TR_DH_H
+	time_t			expiration;
+#endif
+
+} home_server_t;
+
+
+typedef enum home_pool_type_t {
+	HOME_POOL_INVALID = 0,
+	HOME_POOL_LOAD_BALANCE,
+	HOME_POOL_FAIL_OVER,
+	HOME_POOL_CLIENT_BALANCE,
+	HOME_POOL_CLIENT_PORT_BALANCE,
+	HOME_POOL_KEYED_BALANCE
+} home_pool_type_t;
+
+
+typedef struct home_pool_t {
+	char const		*name;
+	home_pool_type_t	type;
+
+	home_type_t    		server_type;
+	CONF_SECTION		*cs;
+
+	char const		*virtual_server; /* for pre/post-proxy */
+
+	home_server_t		*fallback;
+	int			in_fallback;
+	time_t			time_all_dead;
+	time_t			last_serviced;
+
+	int			num_home_servers;
+	home_server_t		*servers[1];
+} home_pool_t;
+
+
+typedef struct _realm {
+	char const		*name;
+
+	bool			strip_realm;
+
+	home_pool_t		*auth_pool;
+	home_pool_t		*acct_pool;
+#ifdef WITH_COA
+	home_pool_t		*coa_pool;
+#endif
+} REALM;
+
+typedef struct realm_config realm_config_t;
+
+int		realms_init(CONF_SECTION *config);
+void		realms_free(void);
+REALM		*realm_find(char const *name); /* name is from a packet */
+REALM		*realm_find2(char const *name); /* ... with name taken from realm_find */
+
+void		realm_home_server_sanitize(home_server_t *home, CONF_SECTION *cs);
+int		realm_pool_add(home_pool_t *pool, CONF_SECTION *cs);
+void		realm_pool_free(home_pool_t *pool);
+bool		realm_home_server_add(home_server_t *home);
+int		realm_realm_add( REALM *r, CONF_SECTION *cs);
+
+void		home_server_update_request(home_server_t *home, REQUEST *request);
+home_server_t	*home_server_ldb(char const *realmname, home_pool_t *pool, REQUEST *request);
+home_server_t	*home_server_find(fr_ipaddr_t *ipaddr, uint16_t port, int proto);
+home_server_t	*home_server_find_bysrc(fr_ipaddr_t *ipaddr, uint16_t port, int proto, fr_ipaddr_t *src_ipaddr);
+home_server_t	*home_server_afrom_cs(TALLOC_CTX *ctx, realm_config_t *rc, CONF_SECTION *cs);
+CONF_SECTION	*home_server_cs_afrom_client(CONF_SECTION *client);
+#ifdef WITH_COA
+home_server_t	*home_server_byname(char const *name, int type);
+#endif
+#ifdef WITH_STATS
+extern int home_server_max_number;
+home_server_t	*home_server_bynumber(int number);
+#endif
+home_pool_t	*home_pool_byname(char const *name, int type);
+
+int		home_server_afrom_file(char const *filename);
+int		home_server_delete(char const *name, char const *type);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* REALMS_H */