1 /** @file libradsec-impl.h
2 @brief Libraray internal header file for libradsec. */
4 /* See the file COPYING for licensing information. */
6 #include <freeradius/libradius.h>
7 #include <event2/util.h>
9 #if defined(RS_ENABLE_TLS)
10 #include <openssl/ssl.h>
14 #define RS_HEADER_LEN 4
19 RS_CRED_TLS_PSK_RSA, /* RFC 4279. */
21 typedef unsigned int rs_cred_type_t;
23 #if defined (__cplusplus)
27 struct rs_credentials {
28 enum rs_cred_type type;
38 struct rs_peer { /* Config object for a connection. */
39 struct rs_connection *conn;
40 struct rs_realm *realm;
41 struct evutil_addrinfo *addr;
46 struct rs_realm { /* Config object for a RADIUS realm. */
48 enum rs_conn_type type;
55 struct rs_peer *peers;
56 struct rs_realm *next;
60 struct rs_realm *realms;
61 struct rs_alloc_scheme alloc_scheme;
63 fr_randctx fr_randctx;
67 struct rs_connection {
68 struct rs_context *ctx;
69 struct rs_realm *realm; /* Owned by ctx. */
70 struct event_base *evb; /* Event base. */
71 struct event *tev; /* Timeout event. */
72 struct rs_credentials transport_credentials;
73 struct rs_conn_callbacks callbacks;
75 struct rs_peer *peers;
76 struct rs_peer *active_peer;
78 struct timeval timeout;
79 char is_connecting; /* FIXME: replace with a single state member */
80 char is_connected; /* FIXME: replace with a single state member */
82 int tryagain; /* For server failover. */
83 int nextid; /* Next RADIUS packet identifier. */
84 /* TCP transport specifics. */
85 struct bufferevent *bev; /* Buffer event. */
86 /* UDP transport specifics. */
87 struct event *wev; /* Write event (for UDP). */
88 struct event *rev; /* Read event (for UDP). */
89 struct rs_packet *out_queue; /* Queue for outgoing UDP packets. */
90 #if defined(RS_ENABLE_TLS)
97 enum rs_packet_flags {
98 rs_packet_hdr_read_flag,
99 rs_packet_received_flag,
104 struct rs_connection *conn;
106 uint8_t hdr[RS_HEADER_LEN];
108 struct rs_packet *next; /* Used for UDP output queue. */
112 struct rs_packet *pkt;
116 /* Nonpublic functions (in radsec.c -- FIXME: move?). */
117 struct rs_error *rs_resolv (struct evutil_addrinfo **addr,
119 const char *hostname,
120 const char *service);
121 #if defined (__cplusplus)
125 /* Convenience macros. */
126 #define rs_calloc(h, nmemb, size) \
127 (h->alloc_scheme.calloc ? h->alloc_scheme.calloc : calloc)(nmemb, size)
128 #define rs_malloc(h, size) \
129 (h->alloc_scheme.malloc ? h->alloc_scheme.malloc : malloc)(size)
130 #define rs_free(h, ptr) \
131 (h->alloc_scheme.free ? h->alloc_scheme.free : free)(ptr)
132 #define rs_realloc(h, realloc, ptr, size) \
133 (h->alloc_scheme.realloc ? h->alloc_scheme.realloc : realloc)(ptr, size)
134 #define min(a, b) ((a) < (b) ? (a) : (b))
135 #define max(a, b) ((a) > (b) ? (a) : (b))
137 /* Local Variables: */
138 /* c-file-style: "stroustrup" */