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/** @file libradsec-impl.h
@brief Libraray internal header file for libradsec. */
/* See the file COPYING for licensing information. */
#include <freeradius/libradius.h>
#include <event2/util.h>
/* Constants. */
#define RS_HEADER_LEN 4
/* Data types. */
enum rs_cred_type {
RS_CRED_NONE = 0,
RS_CRED_TLS_PSK_RSA, /* RFC 4279. */
};
typedef unsigned int rs_cred_type_t;
struct rs_packet;
struct rs_credentials {
enum rs_cred_type type;
char *identity;
char *secret;
};
struct rs_error {
int code;
char *msg;
char buf[1024];
};
typedef void * (*rs_calloc_fp)(size_t nmemb, size_t size);
typedef void * (*rs_malloc_fp)(size_t size);
typedef void (*rs_free_fp)(void *ptr);
typedef void * (*rs_realloc_fp)(void *ptr, size_t size);
struct rs_alloc_scheme {
rs_calloc_fp calloc;
rs_malloc_fp malloc;
rs_free_fp free;
rs_realloc_fp realloc;
};
typedef void (*rs_conn_connected_cb)(void *user_data /* FIXME: peer? */);
typedef void (*rs_conn_disconnected_cb)(void *user_data /* FIXME: reason? */);
typedef void (*rs_conn_packet_received_cb)(const struct rs_packet *packet,
void *user_data);
typedef void (*rs_conn_packet_sent_cb)(void *user_data);
/** Connection callbacks. */
struct rs_conn_callbacks {
/** Callback invoked when the connection has been established. */
rs_conn_connected_cb connected_cb;
/** Callback invoked when the connection has been torn down. */
rs_conn_disconnected_cb disconnected_cb;
/** Callback invoked when a packet was received. */
rs_conn_packet_received_cb received_cb;
/** Callback invoked when a packet was successfully sent. */
rs_conn_packet_sent_cb sent_cb;
};
struct rs_handle {
struct rs_alloc_scheme alloc_scheme;
struct rs_error *err;
fr_randctx fr_randctx;
/* TODO: dictionary? */
};
struct rs_peer {
struct rs_connection *conn;
struct evutil_addrinfo *addr;
int s; /* Socket. */
char is_connecting;
char is_connected;
char *secret;
int timeout; /* client only */
int tries; /* client only */
struct rs_peer *next;
};
struct rs_connection {
struct rs_handle *ctx;
struct event_base *evb;
struct bufferevent *bev;
enum rs_conn_type type;
struct rs_credentials transport_credentials;
struct rs_conn_callbacks callbacks;
struct rs_peer *peers;
struct rs_peer *active_peer;
struct rs_error *err;
};
struct rs_packet {
struct rs_connection *conn;
RADIUS_PACKET *rpkt;
};
struct rs_attr {
struct rs_packet *pkt;
VALUE_PAIR *vp;
};
/* Convenience macros. */
#define rs_calloc(h, nmemb, size) \
(h->alloc_scheme.calloc ? h->alloc_scheme.calloc : calloc)(nmemb, size)
#define rs_malloc(h, size) \
(h->alloc_scheme.malloc ? h->alloc_scheme.malloc : malloc)(size)
#define rs_free(h, ptr) \
(h->alloc_scheme.free ? h->alloc_scheme.free : free)(ptr)
#define rs_realloc(h, realloc, ptr, size) \
(h->alloc_scheme.realloc ? h->alloc_scheme.realloc : realloc)(ptr, size)
/* Local Variables: */
/* c-file-style: "stroustrup" */
/* End: */
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