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 /* TLS pre-shared keys, RFC 4279. */
21 /* RS_CRED_TLS_DH_PSK, */
22 /* RS_CRED_TLS_RSA_PSK, */
24 typedef unsigned int rs_cred_type_t;
26 #if defined (__cplusplus)
30 struct rs_credentials {
31 enum rs_cred_type type;
41 /** Configuration object for a connection. */
43 struct rs_connection *conn;
44 struct rs_realm *realm;
45 struct evutil_addrinfo *addr;
46 char *secret; /* RADIUS secret. */
50 /** Configuration object for a RADIUS realm. */
53 enum rs_conn_type type;
60 struct rs_credentials *transport_cred;
61 struct rs_peer *peers;
62 struct rs_realm *next;
65 /** Top configuration object. */
68 struct rs_realm *realms;
73 struct rs_config *config;
74 struct rs_alloc_scheme alloc_scheme;
76 fr_randctx fr_randctx;
79 struct rs_connection {
80 struct rs_context *ctx;
81 struct rs_realm *realm; /* Owned by ctx. */
82 struct event_base *evb; /* Event base. */
83 struct event *tev; /* Timeout event. */
84 struct rs_conn_callbacks callbacks;
86 struct rs_peer *peers;
87 struct rs_peer *active_peer;
89 struct timeval timeout;
90 char is_connecting; /* FIXME: replace with a single state member */
91 char is_connected; /* FIXME: replace with a single state member */
93 int tryagain; /* For server failover. */
94 int nextid; /* Next RADIUS packet identifier. */
95 /* TCP transport specifics. */
96 struct bufferevent *bev; /* Buffer event. */
97 /* UDP transport specifics. */
98 struct event *wev; /* Write event (for UDP). */
99 struct event *rev; /* Read event (for UDP). */
100 struct rs_packet *out_queue; /* Queue for outgoing UDP packets. */
101 #if defined(RS_ENABLE_TLS)
108 enum rs_packet_flags {
109 rs_packet_hdr_read_flag,
110 rs_packet_received_flag,
115 struct rs_connection *conn;
117 uint8_t hdr[RS_HEADER_LEN];
118 RADIUS_PACKET *rpkt; /* FreeRADIUS object. */
119 struct rs_packet *next; /* Used for UDP output queue. */
122 /* Nonpublic functions (in radsec.c -- FIXME: move?). */
123 struct rs_error *rs_resolv (struct evutil_addrinfo **addr,
125 const char *hostname,
126 const char *service);
127 #if defined (__cplusplus)
131 /* Convenience macros. */
132 #define rs_calloc(h, nmemb, size) \
133 (h->alloc_scheme.calloc ? h->alloc_scheme.calloc : calloc)(nmemb, size)
134 #define rs_malloc(h, size) \
135 (h->alloc_scheme.malloc ? h->alloc_scheme.malloc : malloc)(size)
136 #define rs_free(h, ptr) \
137 (h->alloc_scheme.free ? h->alloc_scheme.free : free)(ptr)
138 #define rs_realloc(h, realloc, ptr, size) \
139 (h->alloc_scheme.realloc ? h->alloc_scheme.realloc : realloc)(ptr, size)
140 #define min(a, b) ((a) < (b) ? (a) : (b))
141 #define max(a, b) ((a) > (b) ? (a) : (b))
143 /* Local Variables: */
144 /* c-file-style: "stroustrup" */