1 /** @file libradsec-impl.h
2 @brief Libraray internal header file for libradsec. */
4 /* See the file COPYING for licensing information. */
6 #ifndef _RADSEC_RADSEC_IMPL_H_
7 #define _RADSEC_RADSEC_IMPL_H_ 1
9 #include <event2/util.h>
11 #if defined(RS_ENABLE_TLS)
12 #include <openssl/ssl.h>
16 #define RS_HEADER_LEN 4
21 /* TLS pre-shared keys, RFC 4279. */
23 /* RS_CRED_TLS_DH_PSK, */
24 /* RS_CRED_TLS_RSA_PSK, */
26 typedef unsigned int rs_cred_type_t;
28 enum rs_key_encoding {
29 RS_KEY_ENCODING_UTF8 = 1,
30 RS_KEY_ENCODING_ASCII_HEX = 2,
32 typedef unsigned int rs_key_encoding_t;
34 #if defined (__cplusplus)
38 struct rs_credentials {
39 enum rs_cred_type type;
42 enum rs_key_encoding secret_encoding;
43 unsigned int secret_len;
51 /** Configuration object for a connection. */
53 struct rs_connection *conn;
54 struct rs_realm *realm;
57 char *secret; /* RADIUS secret. */
58 struct evutil_addrinfo *addr_cache;
62 /** Configuration object for a RADIUS realm. */
65 enum rs_conn_type type;
72 struct rs_credentials *transport_cred;
73 struct rs_peer *peers;
74 struct rs_realm *next;
77 /** Top configuration object. */
79 struct rs_realm *realms;
84 struct rs_config *config;
85 struct rs_alloc_scheme alloc_scheme;
89 struct rs_connection {
90 struct rs_context *ctx;
91 struct rs_realm *realm; /* Owned by ctx. */
92 struct event_base *evb; /* Event base. */
93 struct event *tev; /* Timeout event. */
94 struct rs_conn_callbacks callbacks;
96 struct rs_peer *peers;
97 struct rs_peer *active_peer;
99 struct timeval timeout;
100 char is_connecting; /* FIXME: replace with a single state member */
101 char is_connected; /* FIXME: replace with a single state member */
102 int fd; /* Socket. */
103 int tryagain; /* For server failover. */
104 int nextid; /* Next RADIUS packet identifier. */
105 /* TCP transport specifics. */
106 struct bufferevent *bev; /* Buffer event. */
107 /* UDP transport specifics. */
108 struct event *wev; /* Write event (for UDP). */
109 struct event *rev; /* Read event (for UDP). */
110 struct rs_packet *out_queue; /* Queue for outgoing UDP packets. */
111 #if defined(RS_ENABLE_TLS)
118 enum rs_packet_flags {
119 rs_packet_hdr_read_flag,
120 rs_packet_received_flag,
124 struct radius_packet;
127 struct rs_connection *conn;
129 uint8_t hdr[RS_HEADER_LEN];
130 struct radius_packet *rpkt; /* FreeRADIUS object. */
131 struct rs_packet *next; /* Used for UDP output queue. */
134 #if defined (__cplusplus)
138 /* Convenience macros. */
139 #define rs_calloc(h, nmemb, size) \
140 (h->alloc_scheme.calloc ? h->alloc_scheme.calloc : calloc)(nmemb, size)
141 #define rs_malloc(h, size) \
142 (h->alloc_scheme.malloc ? h->alloc_scheme.malloc : malloc)(size)
143 #define rs_free(h, ptr) \
144 (h->alloc_scheme.free ? h->alloc_scheme.free : free)(ptr)
145 #define rs_realloc(h, realloc, ptr, size) \
146 (h->alloc_scheme.realloc ? h->alloc_scheme.realloc : realloc)(ptr, size)
147 #define min(a, b) ((a) < (b) ? (a) : (b))
148 #define max(a, b) ((a) > (b) ? (a) : (b))
150 #endif /* _RADSEC_RADSEC_IMPL_H_ */
152 /* Local Variables: */
153 /* c-file-style: "stroustrup" */