1 files changed, 97 insertions, 0 deletions
diff --git a/lib/libradsec-impl.h b/lib/libradsec-impl.h
new file mode 100644
index 0000000..913de4a
--- /dev/null
+++ b/lib/libradsec-impl.h
@@ -0,0 +1,97 @@
+/** @file libradsec-impl.h
+    @brief Libraray internal header file for libradsec.  */
+
+/* See the file COPYING for licensing information.  */
+
+/* Constants.  */
+#define RS_HEADER_LEN 4
+
+/* Data types.  */
+enum rs_conn_type {
+    RS_CONN_TYPE_NONE = 0,
+    RS_CONN_TYPE_UDP,
+    RS_CONN_TYPE_TCP,
+    RS_CONN_TYPE_TLS,
+    RS_CONN_TYPE_DTLS,
+};
+typedef unsigned int rs_conn_type_t;
+
+enum rs_cred_type {
+    RS_CRED_NONE = 0,
+    RS_CRED_TLS_PSK_RSA,	/* RFC 4279.  */
+};
+typedef unsigned int rs_cred_type_t;
+
+struct rs_credentials {
+    enum rs_cred_type type;
+    char *identity;
+    char *secret;
+};
+
+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;
+    /* TODO: dictionary? */
+};
+
+struct rs_connection {
+    struct rs_handle *ctx;
+    enum rs_conn_type conn_type;
+    struct rs_credentials transport_credentials;
+    struct rs_conn_callbacks callbacks;
+};
+
+struct rs_attribute {
+    uint8_t type;
+    uint8_t length;
+    uint8_t *value;
+};
+
+struct rs_packet {
+    uint8_t code;
+    uint8_t id;
+    uint8_t auth[16];
+    struct list *attrs;
+};
+
+/* Convenience macros.  */
+#define rs_calloc(ctx, nmemb, size) \
+    (ctx->alloc_scheme.calloc ? ctx->alloc_scheme.calloc : calloc)(nmemb, size)
+#define rs_malloc(ctx, size) \
+    (ctx->alloc_scheme.malloc ? ctx->alloc_scheme.malloc : malloc)(size)
+#define rs_free(ctx, ptr) \
+    (ctx->alloc_scheme.free ? ctx->alloc_scheme.free : free)(ptr)
+#define rs_(ctx, realloc, ptr, size) \
+    (ctx->alloc_scheme.realloc ? ctx->alloc_scheme.realloc : realloc)(ptr, size)
+
+/* Local Variables: */
+/* c-file-style: "stroustrup" */
+/* End: */