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 /** Configuration object for a connection. */
40 struct rs_connection *conn;
41 struct rs_realm *realm;
42 struct evutil_addrinfo *addr;
47 /** Configuration object for a RADIUS realm. */
50 enum rs_conn_type type;
57 struct rs_peer *peers;
58 struct rs_realm *next;
61 /** Top configuration object. */
64 struct rs_realm *realms;
69 struct rs_config *config;
70 struct rs_alloc_scheme alloc_scheme;
72 fr_randctx fr_randctx;
75 struct rs_connection {
76 struct rs_context *ctx;
77 struct rs_realm *realm; /* Owned by ctx. */
78 struct event_base *evb; /* Event base. */
79 struct event *tev; /* Timeout event. */
80 struct rs_credentials transport_credentials;
81 struct rs_conn_callbacks callbacks;
83 struct rs_peer *peers;
84 struct rs_peer *active_peer;
86 struct timeval timeout;
87 char is_connecting; /* FIXME: replace with a single state member */
88 char is_connected; /* FIXME: replace with a single state member */
90 int tryagain; /* For server failover. */
91 int nextid; /* Next RADIUS packet identifier. */
92 /* TCP transport specifics. */
93 struct bufferevent *bev; /* Buffer event. */
94 /* UDP transport specifics. */
95 struct event *wev; /* Write event (for UDP). */
96 struct event *rev; /* Read event (for UDP). */
97 struct rs_packet *out_queue; /* Queue for outgoing UDP packets. */
98 #if defined(RS_ENABLE_TLS)
105 enum rs_packet_flags {
106 rs_packet_hdr_read_flag,
107 rs_packet_received_flag,
112 struct rs_connection *conn;
114 uint8_t hdr[RS_HEADER_LEN];
115 RADIUS_PACKET *rpkt; /* FreeRADIUS object. */
116 struct rs_packet *next; /* Used for UDP output queue. */
119 /* Nonpublic functions (in radsec.c -- FIXME: move?). */
120 struct rs_error *rs_resolv (struct evutil_addrinfo **addr,
122 const char *hostname,
123 const char *service);
124 #if defined (__cplusplus)
128 /* Convenience macros. */
129 #define rs_calloc(h, nmemb, size) \
130 (h->alloc_scheme.calloc ? h->alloc_scheme.calloc : calloc)(nmemb, size)
131 #define rs_malloc(h, size) \
132 (h->alloc_scheme.malloc ? h->alloc_scheme.malloc : malloc)(size)
133 #define rs_free(h, ptr) \
134 (h->alloc_scheme.free ? h->alloc_scheme.free : free)(ptr)
135 #define rs_realloc(h, realloc, ptr, size) \
136 (h->alloc_scheme.realloc ? h->alloc_scheme.realloc : realloc)(ptr, size)
137 #define min(a, b) ((a) < (b) ? (a) : (b))
138 #define max(a, b) ((a) > (b) ? (a) : (b))
140 /* Local Variables: */
141 /* c-file-style: "stroustrup" */