+/*
+ * Copyright (c) 2016, JANET(UK)
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of JANET(UK) nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
#ifndef TRP_INTERNAL_H
#define TRP_INTERNAL_H
+#include <jansson.h>
+#include <pthread.h>
#include <talloc.h>
+#include <time.h>
#include <gsscon.h>
-#include <trust_router/tr_dh.h>
-
-#define TRP_PORT 12310
-#define TRP_METRIC_INFINITY 0xFFFF
-
-typedef enum trp_rc {
- TRP_SUCCESS=0,
- TRP_ERROR, /* generic error */
- TRP_NOPARSE, /* parse error */
- TRP_NOMEM, /* allocation error */
-} 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;
-
-typedef struct trp_msg {
- TRP_MSG_TYPE type;
- void *body;
-} TRP_MSG;
-
-typedef struct trp_msg_body_update TRP_MSG_BODY_UPDATE;
-struct trp_msg_body_update {
- TRP_MSG_BODY_UPDATE *next;
- TR_NAME *community;
- TR_NAME *realm;
+#include <tr_mq.h>
+#include <tr_msg.h>
+#include <trp_peer.h>
+#include <trp_ptable.h>
+#include <trp_route.h>
+#include <trp_rtable.h>
+#include <tr_apc.h>
+#include <tr_comm.h>
+#include <trust_router/trp.h>
+
+/* what clock do we use with clock_gettime() ? */
+#define TRP_CLOCK CLOCK_MONOTONIC
+
+/* info records */
+/* TRP update record types */
+typedef struct trp_inforec_route {
TR_NAME *trust_router;
+ TR_NAME *next_hop;
+ unsigned int next_hop_port;
unsigned int metric;
unsigned int interval;
+} TRP_INFOREC_ROUTE;
+
+typedef struct trp_inforec_comm {
+ TR_COMM_TYPE comm_type;
+ TR_REALM_ROLE role;
+ TR_APC *apcs;
+ TR_NAME *owner_realm;
+ TR_NAME *owner_contact;
+ time_t expiration_interval; /* Minutes to key expiration; only valid for an APC */
+ json_t *provenance;
+ unsigned int interval;
+} TRP_INFOREC_COMM;
+
+typedef union trp_inforec_data {
+ TRP_INFOREC_ROUTE *route;
+ TRP_INFOREC_COMM *comm;
+} TRP_INFOREC_DATA;
+
+struct trp_inforec {
+ TRP_INFOREC *next;
+ TRP_INFOREC_TYPE type;
+ TRP_INFOREC_DATA *data; /* contains pointer to one of the record types */
};
-typedef struct trp_msg_body_route_req {
- TR_NAME *community;
+struct trp_update {
TR_NAME *realm;
-} TRP_MSG_BODY_ROUTE_REQ;
-
-TRP_MSG_TYPE trp_msg_type_from_string(const char *s);
-const char *trp_msg_type_to_string(TRP_MSG_TYPE msgtype);
+ TR_NAME *comm;
+ 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);
+struct trp_req {
+ TR_NAME *comm;
+ TR_NAME *realm;
+ TR_NAME *peer; /* who did this req come from? */
+};
typedef struct trps_instance TRPS_INSTANCE;
-/* REMOVE THIS!! --jennifer, 2016-06-13 */
-typedef TRP_MSG TRP_REQ;
-typedef TRP_MSG TRP_RESP;
-
+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 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 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; /* the gss service name we presented for passive auth */
+ TR_NAME *peer; /* gssname of incoming peer */
+ 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 */
+ int shutting_down; /* 0 unless the TRPC is in the shutdown process */
+};
/* 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 */
+ TR_COMM_TABLE *ctable; /* community 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 *gss_servicename);
+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, struct timespec *ts_abort);
+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_ctable(TRPS_INSTANCE *trps, TR_COMM_TABLE *comm);
+void trps_set_ptable(TRPS_INSTANCE *trps, TRP_PTABLE *ptable);
+void trps_set_peer_status_callback(TRPS_INSTANCE *trps, void (*cb)(TRP_PEER *, void *), void *cookie);
+TR_NAME *trps_dup_label(TRPS_INSTANCE *trps);
+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,
+ int *fd_out,
+ size_t max_fd);
+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_sweep_ctable(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);
+
+TRP_INFOREC *trp_inforec_new(TALLOC_CTX *mem_ctx, TRP_INFOREC_TYPE type);
+void trp_inforec_free(TRP_INFOREC *rec);
+TRP_INFOREC *trp_inforec_get_next(TRP_INFOREC *rec);
+void trp_inforec_set_next(TRP_INFOREC *rec, TRP_INFOREC *next_rec);
+TRP_INFOREC_TYPE trp_inforec_get_type(TRP_INFOREC *rec);
+void trp_inforec_set_type(TRP_INFOREC *rec, TRP_INFOREC_TYPE type);
+TR_NAME *trp_inforec_get_comm(TRP_INFOREC *rec);
+TR_NAME *trp_inforec_dup_comm(TRP_INFOREC *rec);
+TRP_RC trp_inforec_set_comm(TRP_INFOREC *rec, TR_NAME *comm);
+TR_NAME *trp_inforec_get_realm(TRP_INFOREC *rec);
+TR_NAME *trp_inforec_dup_realm(TRP_INFOREC *rec);
+TRP_RC trp_inforec_set_realm(TRP_INFOREC *rec, TR_NAME *realm);
+TR_NAME *trp_inforec_get_trust_router(TRP_INFOREC *rec);
+TR_NAME *trp_inforec_dup_trust_router(TRP_INFOREC *rec);
+TRP_RC trp_inforec_set_trust_router(TRP_INFOREC *rec, TR_NAME *trust_router);
+TR_NAME *trp_inforec_get_next_hop(TRP_INFOREC *rec);
+TR_NAME *trp_inforec_dup_next_hop(TRP_INFOREC *rec);
+TRP_RC trp_inforec_set_next_hop(TRP_INFOREC *rec, TR_NAME *next_hop);
+unsigned int trp_inforec_get_metric(TRP_INFOREC *rec);
+TRP_RC trp_inforec_set_metric(TRP_INFOREC *rec, unsigned int metric);
+unsigned int trp_inforec_get_interval(TRP_INFOREC *rec);
+TRP_RC trp_inforec_set_interval(TRP_INFOREC *rec, unsigned int interval);
+TR_NAME *trp_inforec_get_owner_realm(TRP_INFOREC *rec);
+TRP_RC trp_inforec_set_owner_realm(TRP_INFOREC *rec, TR_NAME *name);
+TR_NAME *trp_inforec_get_owner_contact(TRP_INFOREC *rec);
+TRP_RC trp_inforec_set_owner_contact(TRP_INFOREC *rec, TR_NAME *name);
+json_t *trp_inforec_get_provenance(TRP_INFOREC *rec);
+TRP_RC trp_inforec_set_provenance(TRP_INFOREC *rec, json_t *prov);
+TRP_INFOREC_TYPE trp_inforec_type_from_string(const char *s);
+const char *trp_inforec_type_to_string(TRP_INFOREC_TYPE msgtype);
+time_t trp_inforec_get_exp_interval(TRP_INFOREC *rec);
+TRP_RC trp_inforec_set_exp_interval(TRP_INFOREC *rec, time_t expint);
+TR_COMM_TYPE trp_inforec_get_comm_type(TRP_INFOREC *rec);
+TRP_RC trp_inforec_set_comm_type(TRP_INFOREC *rec, TR_COMM_TYPE type);
+TR_REALM_ROLE trp_inforec_get_role(TRP_INFOREC *rec);
+TRP_RC trp_inforec_set_role(TRP_INFOREC *rec, TR_REALM_ROLE role);
+TR_APC *trp_inforec_get_apcs(TRP_INFOREC *rec);
+TRP_RC trp_inforec_set_apcs(TRP_INFOREC *rec, TR_APC *apcs);
+TR_NAME *trp_inforec_dup_origin(TRP_INFOREC *rec);
#endif /* TRP_INTERNAL_H */
projects / trust_router.git / blobdiff