#ifndef TRP_INTERNAL_H
#define TRP_INTERNAL_H
+#include <pthread.h>
#include <talloc.h>
#include <gsscon.h>
-#include <trust_router/tr_dh.h>
-
-#define TRP_PORT 12310
-#define TRP_METRIC_INFINITY 0xFFFF
-#define TRP_METRIC_INVALID 0xFFFFFFFF
-#define TRP_INTERVAL_INVALID 0
-
-typedef enum trp_rc {
- TRP_SUCCESS=0,
- TRP_ERROR, /* generic error */
- TRP_NOPARSE, /* parse error */
- TRP_NOMEM, /* allocation error */
- TRP_BADTYPE, /* typing error */
- TRP_UNSUPPORTED, /* unsupported feature */
-} TRP_RC;
-
-/*** Messages ***/
-typedef enum trp_msg_type {
- TRP_MSG_TYPE_UNKNOWN=0, /* conveniently, JSON parser returns 0 if a non-integer number is specified */
- TRP_MSG_TYPE_UPDATE,
- TRP_MSG_TYPE_ROUTE_REQ
-} TRP_MSG_TYPE;
+#include <tr_mq.h>
+#include <tr_msg.h>
+#include <trp_ptable.h>
+#include <trp_rtable.h>
+#include <trust_router/trp.h>
/* info records */
-typedef enum trp_msg_info_type {
- TRP_MSG_INFO_TYPE_UNKNOWN=0, /* conveniently, JSON parser returns 0 if a non-integer number is specified */
- TRP_MSG_INFO_TYPE_ROUTE,
- TRP_MSG_INFO_TYPE_COMMUNITY, /* not yet implemented (2016-06-14) */
-} TRP_MSG_INFO_TYPE;
-
-typedef struct trp_msg {
- TRP_MSG_TYPE type;
- void *body;
-} TRP_MSG;
-
-/* update msg record types */
-typedef struct trp_msg_info_rec TRP_MSG_INFO_REC;
-struct trp_msg_info_rec {
- TRP_MSG_INFO_REC *next;
- TRP_MSG_INFO_TYPE type;
- void *data; /* pointer to one of the record types */
-};
-
-typedef struct trp_msg_info_route {
+/* TRP update record types */
+typedef struct trp_inforec_route {
TR_NAME *comm;
TR_NAME *realm;
TR_NAME *trust_router;
+ TR_NAME *next_hop;
unsigned int metric;
unsigned int interval;
-} TRP_MSG_INFO_ROUTE;
+} TRP_INFOREC_ROUTE;
/* TODO: define struct trp_msg_info_community */
-typedef struct trp_route_update {
- void *records;
-} TRP_ROUTE_UPDATE;
+typedef union trp_inforec_data {
+ TRP_INFOREC_ROUTE *route;
+ /* TRP_INFOREC_COMM *comm; */
+} TRP_INFOREC_DATA;
-typedef struct trp_route_req {
- TR_NAME *comm;
- TR_NAME *realm;
-} TRP_ROUTE_REQ;
+struct trp_inforec {
+ TRP_INFOREC *next;
+ TRP_INFOREC_TYPE type;
+ TRP_INFOREC_DATA data; /* contains pointer to one of the record types */
+};
-TRP_MSG_TYPE trp_msg_type_from_string(const char *s);
-const char *trp_msg_type_to_string(TRP_MSG_TYPE msgtype);
-TRP_MSG_INFO_TYPE trp_msg_info_type_from_string(const char *s);
-const char *trp_msg_info_type_to_string(TRP_MSG_INFO_TYPE msgtype);
+struct trp_update {
+ TRP_INFOREC *records;
+ TR_NAME *peer; /* who did this update come from? */
+};
-TRP_MSG *trp_msg_new(TALLOC_CTX *mem_ctx);
-void trp_msg_destroy(TRP_MSG *msg);
-void trp_msg_pprint(TRP_MSG *msg);
-char *trp_encode_msg(TRP_MSG *msg);
+struct trp_req {
+ TR_NAME *comm;
+ TR_NAME *realm;
+ TR_NAME *peer; /* who did this req come from? */
+};
-TR_NAME *trp_msg_info_route_get_comm(TRP_MSG_INFO_REC *rec);
-TR_NAME *trp_msg_info_route_get_realm(TRP_MSG_INFO_REC *rec);
-TR_NAME *trp_msg_info_route_get_trust_router(TRP_MSG_INFO_REC *rec);
-unsigned int trp_msg_info_route_get_metric(TRP_MSG_INFO_REC *rec);
-unsigned int trp_msg_info_route_get_interval(TRP_MSG_INFO_REC *rec);
typedef struct trps_instance TRPS_INSTANCE;
-/* REMOVE THIS!! --jennifer, 2016-06-13 */
-typedef TRP_MSG TRP_REQ;
-typedef TRP_MSG TRP_RESP;
-
-
-typedef int (TRPS_REQ_FUNC)(TRPS_INSTANCE *, TRP_REQ *, TRP_RESP *, void *);
-typedef void (TRPS_RESP_FUNC)(TRPS_INSTANCE *, TRP_REQ *, TRP_RESP *, void *);
-typedef int (trps_auth_func)(gss_name_t client_name, TR_NAME *display_name, void *cookie);
+typedef enum trp_connection_status {
+ TRP_CONNECTION_CLOSED=0,
+ TRP_CONNECTION_DOWN,
+ TRP_CONNECTION_AUTHORIZING,
+ TRP_CONNECTION_UP,
+ TRP_CONNECTION_UNKNOWN,
+} TRP_CONNECTION_STATUS;
+
+typedef struct trp_connection TRP_CONNECTION;
+struct trp_connection {
+ pthread_mutex_t mutex; /* protects status attribute */
+ TRP_CONNECTION *next;
+ pthread_t *thread; /* thread servicing this connection */
+ int fd;
+ TR_NAME *gssname;
+ TR_NAME *peer; /* TODO: why is there a peer and a gssname? jlr */
+ gss_ctx_id_t *gssctx;
+ TRP_CONNECTION_STATUS status;
+ void (*status_change_cb)(TRP_CONNECTION *conn, void *cookie);
+ void *status_change_cookie;
+};
+typedef TRP_RC (*TRPS_MSG_FUNC)(TRPS_INSTANCE *, TRP_CONNECTION *, TR_MSG *);
+typedef void (*TRP_RESP_FUNC)();
+/*typedef int (*TRP_AUTH_FUNC)(gss_name_t client_name, TR_NAME *display_name, void *cookie);*/
+typedef client_cb_fn TRP_AUTH_FUNC;
-/* encapsulate a gss context and its connection file handle */
-typedef struct trps_connection {
- int conn;
- gss_ctx_id_t *gssctx;
-} TRPS_CONNECTION;
+/* function to look up comm/realm entries */
+typedef TRP_ROUTE *(TRP_LOOKUP_FUNC)(TR_NAME *, TR_NAME *, void *);
-/* a collection of the above */
-#define TRPS_CONNECTIONS_MAX 10
-typedef struct trps_connection_set {
- TRPS_CONNECTION *conn[TRPS_CONNECTIONS_MAX];
- unsigned int nconn;
-} TRPS_CONNECTION_SET;
/* TRP Client Instance Data */
-typedef struct trpc_instance {
- DH *client_dh; /* Client's DH struct with priv and pub keys */
-} TRPC_INSTANCE;
+typedef struct trpc_instance TRPC_INSTANCE;
+struct trpc_instance {
+ TRPC_INSTANCE *next;
+ TR_NAME *gssname;
+ char *server;
+ unsigned int port;
+ TRP_CONNECTION *conn;
+ TR_MQ *mq; /* msgs from master to trpc */
+};
/* TRP Server Instance Data */
struct trps_instance {
char *hostname;
unsigned int port;
- TRPS_REQ_FUNC *req_handler;
- trps_auth_func *auth_handler;
+ TRP_AUTH_FUNC auth_handler;
+ TRPS_MSG_FUNC msg_handler;
void *cookie;
- struct tr_rp_client *rp_gss; /* Client matching GSS name, TBD -- FIX ME (??) */
- TRPS_CONNECTION_SET *connections; /* active GSS connections */
+ TRP_CONNECTION *conn; /* connections from peers */
+ TRPC_INSTANCE *trpc; /* connections to peers */
+ TR_MQ *mq; /* incoming message queue */
+ TRP_PTABLE *ptable; /* peer table */
+ TRP_RTABLE *rtable; /* route table */
+ struct timeval connect_interval; /* interval between connection refreshes */
+ struct timeval update_interval; /* interval between scheduled updates */
+ struct timeval sweep_interval; /* interval between route table sweeps */
};
-typedef enum {
- TRPS_ERR_OK=0, /* success */
- TRPS_ERR_NOMEM, /* allocation problem */
- TRPS_ERR_MAX_CONN, /* out of connections */
- TRPS_ERR_UNKNOWN /* catch-all */
-} TRPS_ERR;
-
-/* prototypes */
-
-/* these should probably be static? */
-TRPS_CONNECTION *trps_connection_new(TALLOC_CTX *mem_ctx);
-TRPS_CONNECTION_SET *trps_connection_set_new(TALLOC_CTX *mem_ctx);
-TRPS_ERR trps_connection_set_add(TRPS_CONNECTION_SET *tcs, TRPS_CONNECTION *new_conn);
-TRPS_ERR trps_connection_set_del(TRPS_CONNECTION_SET *tcs, TRPS_CONNECTION *conn);
-unsigned int trps_connection_set_len(TRPS_CONNECTION_SET *tcs);
-
-TRPC_INSTANCE *trpc_create (TALLOC_CTX *mem_ctx);
-void trpc_destroy (TRPC_INSTANCE *trpc);
-int trpc_open_connection (TRPC_INSTANCE *trpc, char *server, unsigned int port, gss_ctx_id_t *gssctx);
-int trpc_send_msg (TRPC_INSTANCE *trpc, int conn, gss_ctx_id_t gssctx, const char *msg_content,
- int *resp_handler(), void *cookie);
-
-TRPS_INSTANCE *trps_create (TALLOC_CTX *mem_ctx);
-void trps_destroy (TRPS_INSTANCE *trps);
-int trps_send_msg (TRPS_INSTANCE *trps, int conn, gss_ctx_id_t gssctx, const char *msg_content);
-int trps_accept(TRPS_INSTANCE *trps, int listen);
-
+typedef enum trp_update_type {
+ TRP_UPDATE_SCHEDULED=0,
+ TRP_UPDATE_TRIGGERED,
+ TRP_UPDATE_REQUESTED
+} TRP_UPDATE_TYPE;
+
+TRP_CONNECTION *trp_connection_new(TALLOC_CTX *mem_ctx);
+void trp_connection_free(TRP_CONNECTION *conn);
+void trp_connection_close(TRP_CONNECTION *conn);
+int trp_connection_lock(TRP_CONNECTION *conn);
+int trp_connection_unlock(TRP_CONNECTION *conn);
+int trp_connection_get_fd(TRP_CONNECTION *conn);
+void trp_connection_set_fd(TRP_CONNECTION *conn, int fd);
+TR_NAME *trp_connection_get_peer(TRP_CONNECTION *conn);
+TR_NAME *trp_connection_get_gssname(TRP_CONNECTION *conn);
+void trp_connection_set_gssname(TRP_CONNECTION *conn, TR_NAME *gssname);
+gss_ctx_id_t *trp_connection_get_gssctx(TRP_CONNECTION *conn);
+void trp_connection_set_gssctx(TRP_CONNECTION *conn, gss_ctx_id_t *gssctx);
+TRP_CONNECTION_STATUS trp_connection_get_status(TRP_CONNECTION *conn);
+pthread_t *trp_connection_get_thread(TRP_CONNECTION *conn);
+void trp_connection_set_thread(TRP_CONNECTION *conn, pthread_t *thread);
+TRP_CONNECTION *trp_connection_get_next(TRP_CONNECTION *conn);
+TRP_CONNECTION *trp_connection_remove(TRP_CONNECTION *conn, TRP_CONNECTION *remove);
+void trp_connection_append(TRP_CONNECTION *conn, TRP_CONNECTION *new);
+int trp_connection_auth(TRP_CONNECTION *conn, TRP_AUTH_FUNC auth_callback, void *callback_data);
+TRP_CONNECTION *trp_connection_accept(TALLOC_CTX *mem_ctx, int listen, TR_NAME *gssname);
+TRP_RC trp_connection_initiate(TRP_CONNECTION *conn, char *server, unsigned int port);
+
+TRPC_INSTANCE *trpc_new (TALLOC_CTX *mem_ctx);
+void trpc_free (TRPC_INSTANCE *trpc);
+TRP_CONNECTION *trpc_get_conn(TRPC_INSTANCE *trpc);
+void trpc_set_conn(TRPC_INSTANCE *trpc, TRP_CONNECTION *conn);
+TRPC_INSTANCE *trpc_get_next(TRPC_INSTANCE *trpc);
+void trpc_set_next(TRPC_INSTANCE *trpc, TRPC_INSTANCE *next);
+TRPC_INSTANCE *trpc_remove(TRPC_INSTANCE *trpc, TRPC_INSTANCE *remove);
+void trpc_append(TRPC_INSTANCE *trpc, TRPC_INSTANCE *new);
+char *trpc_get_server(TRPC_INSTANCE *trpc);
+void trpc_set_server(TRPC_INSTANCE *trpc, char *server);
+TR_NAME *trpc_get_gssname(TRPC_INSTANCE *trpc);
+void trpc_set_gssname(TRPC_INSTANCE *trpc, TR_NAME *gssname);
+unsigned int trpc_get_port(TRPC_INSTANCE *trpc);
+void trpc_set_port(TRPC_INSTANCE *trpc, unsigned int port);
+TRP_CONNECTION_STATUS trpc_get_status(TRPC_INSTANCE *trpc);
+TR_MQ *trpc_get_mq(TRPC_INSTANCE *trpc);
+void trpc_set_mq(TRPC_INSTANCE *trpc, TR_MQ *mq);
+void trpc_mq_add(TRPC_INSTANCE *trpc, TR_MQ_MSG *msg);
+TR_MQ_MSG *trpc_mq_pop(TRPC_INSTANCE *trpc);
+void trpc_mq_clear(TRPC_INSTANCE *trpc);
+void trpc_master_mq_add(TRPC_INSTANCE *trpc, TR_MQ_MSG *msg);
+TR_MQ_MSG *trpc_master_mq_pop(TRPC_INSTANCE *trpc);
+TRP_RC trpc_connect(TRPC_INSTANCE *trpc);
+TRP_RC trpc_send_msg(TRPC_INSTANCE *trpc, const char *msg_content);
+
+TRPS_INSTANCE *trps_new (TALLOC_CTX *mem_ctx);
+void trps_free (TRPS_INSTANCE *trps);
+void trps_set_ptable(TRPS_INSTANCE *trps, TRP_PTABLE *ptable);
+TRP_RC trps_init_rtable(TRPS_INSTANCE *trps);
+void trps_clear_rtable(TRPS_INSTANCE *trps);
+void trps_set_connect_interval(TRPS_INSTANCE *trps, unsigned int interval);
+unsigned int trps_get_connect_interval(TRPS_INSTANCE *trps);
+void trps_set_update_interval(TRPS_INSTANCE *trps, unsigned int interval);
+unsigned int trps_get_update_interval(TRPS_INSTANCE *trps);
+void trps_set_sweep_interval(TRPS_INSTANCE *trps, unsigned int interval);
+unsigned int trps_get_sweep_interval(TRPS_INSTANCE *trps);
+TRPC_INSTANCE *trps_find_trpc(TRPS_INSTANCE *trps, TRP_PEER *peer);
+TRP_RC trps_send_msg (TRPS_INSTANCE *trps, TRP_PEER *peer, const char *msg);
+void trps_add_connection(TRPS_INSTANCE *trps, TRP_CONNECTION *new);
+void trps_remove_connection(TRPS_INSTANCE *trps, TRP_CONNECTION *remove);
+void trps_add_trpc(TRPS_INSTANCE *trps, TRPC_INSTANCE *trpc);
+void trps_remove_trpc(TRPS_INSTANCE *trps, TRPC_INSTANCE *remove);
+int trps_get_listener(TRPS_INSTANCE *trps,
+ TRPS_MSG_FUNC msg_handler,
+ TRP_AUTH_FUNC auth_handler,
+ const char *hostname,
+ unsigned int port,
+ void *cookie);
+TR_MQ_MSG *trps_mq_pop(TRPS_INSTANCE *trps);
+void trps_mq_add(TRPS_INSTANCE *trps, TR_MQ_MSG *msg);
+TRP_RC trps_authorize_connection(TRPS_INSTANCE *trps, TRP_CONNECTION *conn);
+void trps_handle_connection(TRPS_INSTANCE *trps, TRP_CONNECTION *conn);
+TRP_RC trps_update_active_routes(TRPS_INSTANCE *trps);
+TRP_RC trps_handle_tr_msg(TRPS_INSTANCE *trps, TR_MSG *tr_msg);
+TRP_ROUTE *trps_get_route(TRPS_INSTANCE *trps, TR_NAME *comm, TR_NAME *realm, TR_NAME *peer);
+TRP_ROUTE *trps_get_selected_route(TRPS_INSTANCE *trps, TR_NAME *comm, TR_NAME *realm);
+TR_NAME *trps_get_next_hop(TRPS_INSTANCE *trps, TR_NAME *comm, TR_NAME *realm);
+TRP_RC trps_sweep_routes(TRPS_INSTANCE *trps);
+TRP_RC trps_add_route(TRPS_INSTANCE *trps, TRP_ROUTE *route);
+TRP_RC trps_add_peer(TRPS_INSTANCE *trps, TRP_PEER *peer);
+TRP_PEER *trps_get_peer_by_gssname(TRPS_INSTANCE *trps, TR_NAME *gssname);
+TRP_PEER *trps_get_peer_by_servicename(TRPS_INSTANCE *trps, TR_NAME *servicename);
+TRP_RC trps_update(TRPS_INSTANCE *trps, TRP_UPDATE_TYPE type);
+int trps_peer_connected(TRPS_INSTANCE *trps, TRP_PEER *peer);
+TRP_RC trps_wildcard_route_req(TRPS_INSTANCE *trps, TR_NAME *peer_gssname);
#endif /* TRP_INTERNAL_H */
projects / trust_router.git / blobdiff