Move s->s3->wpend_* to s->rlayer

[openssl.git] / ssl / record / rec_layer.h

diff --git a/ssl/record/rec_layer.h b/ssl/record/rec_layer.h
index e8dd3ff1f186f1391854f4bfc8a41202f5f5b45d..c81c6ce5e0e0ee6165c39e854ecff91d275d6e1c 100644 (file)
--- a/ssl/record/rec_layer.h
+++ b/ssl/record/rec_layer.h
@@ -111,6 +111,14 @@
 
 #include "../ssl_locl.h"
 
+/*****************************************************************************
+ *                                                                           *
+ * These structures should be considered "opaque" to anything outside of the *
+ * record layer. No non-record layer code should be accessing the members of *
+ * these structures.                                                         *
+ *                                                                           *
+ *****************************************************************************/
+
 typedef struct dtls1_bitmap_st {
     unsigned long map;          /* track 32 packets on 32-bit systems and 64
                                  * - on 64-bit systems */
@@ -132,6 +140,8 @@ typedef struct record_layer_st {
      * non-blocking reads)
      */
     int read_ahead;
+    /* where we are when reading */
+    int rstate;
     /* read IO goes into here */
     SSL3_BUFFER rbuf;
     /* write IO goes into here */
@@ -140,29 +150,87 @@ typedef struct record_layer_st {
     SSL3_RECORD rrec;
     /* goes out from here */
     SSL3_RECORD wrec;
+
+    /* used internally to point at a raw packet */
+    unsigned char *packet;
+    unsigned int packet_length;
+
+    /* number of bytes sent so far */
+    unsigned int wnum;
+
+    /*
+     * storage for Alert/Handshake protocol data received but not yet
+     * processed by ssl3_read_bytes:
+     */
+    unsigned char alert_fragment[2];
+    unsigned int alert_fragment_len;
+    unsigned char handshake_fragment[4];
+    unsigned int handshake_fragment_len;
+
+    /* partial write - check the numbers match */
+    /* number bytes written */
+    int wpend_tot;
+    int wpend_type;
+    /* number of bytes submitted */
+    int wpend_ret;
+    const unsigned char *wpend_buf;
 } RECORD_LAYER;
 
-#define RECORD_LAYER_set_ssl(rl, s)             ((rl)->s = (s))
+
+/*****************************************************************************
+ *                                                                           *
+ * The following macros/functions represent the libssl internal API to the   *
+ * record layer.                                                             *
+ *                                                                           *
+ *****************************************************************************/
+
 #define RECORD_LAYER_set_read_ahead(rl, ra)     ((rl)->read_ahead = (ra))
 #define RECORD_LAYER_get_read_ahead(rl)         ((rl)->read_ahead)
-#define RECORD_LAYER_get_rbuf(rl)               (&(rl)->rbuf)
-#define RECORD_LAYER_get_wbuf(rl)               (&(rl)->wbuf)
-#define RECORD_LAYER_get_rrec(rl)               (&(rl)->rrec)
-#define RECORD_LAYER_get_wrec(rl)               (&(rl)->wrec)
+#define RECORD_LAYER_setup_comp_buffer(rl)      (SSL3_RECORD_setup(&(rl)->rrec))
+#define RECORD_LAYER_get_packet(rl)             ((rl)->packet)
+#define RECORD_LAYER_get_packet_length(rl)      ((rl)->packet_length)
+#define RECORD_LAYER_add_packet_length(rl, inc) ((rl)->packet_length += (inc))
 
+void RECORD_LAYER_init(RECORD_LAYER *rl, SSL *s);
+void RECORD_LAYER_clear(RECORD_LAYER *rl);
+void RECORD_LAYER_release(RECORD_LAYER *rl);
+int RECORD_LAYER_read_pending(RECORD_LAYER *rl);
+int RECORD_LAYER_write_pending(RECORD_LAYER *rl);
+int RECORD_LAYER_set_data(RECORD_LAYER *rl, const unsigned char *buf, int len);
+void RECORD_LAYER_dup(RECORD_LAYER *dst, RECORD_LAYER *src);
+__owur int ssl3_pending(const SSL *s);
 __owur int ssl23_read_bytes(SSL *s, int n);
 __owur int ssl23_write_bytes(SSL *s);
-__owur int ssl3_read_n(SSL *s, int n, int max, int extend);
 __owur int ssl3_write_bytes(SSL *s, int type, const void *buf, int len);
 __owur int do_ssl3_write(SSL *s, int type, const unsigned char *buf,
                          unsigned int len, int create_empty_fragment);
-__owur int ssl3_write_pending(SSL *s, int type, const unsigned char *buf,
-                       unsigned int len);
 __owur int ssl3_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek);
 __owur int dtls1_read_bytes(SSL *s, int type, unsigned char *buf, int len, int peek);
 int dtls1_write_bytes(SSL *s, int type, const void *buf, int len);
 __owur int do_dtls1_write(SSL *s, int type, const unsigned char *buf,
                    unsigned int len, int create_empty_fragement);
+void dtls1_reset_seq_numbers(SSL *s, int rw);
+
+
+/*****************************************************************************
+ *                                                                           *
+ * The following macros/functions are private to the record layer. They      *
+ * should not be used outside of the record layer.                           *
+ *                                                                           *
+ *****************************************************************************/
+
+#define RECORD_LAYER_get_rbuf(rl)               (&(rl)->rbuf)
+#define RECORD_LAYER_get_wbuf(rl)               (&(rl)->wbuf)
+#define RECORD_LAYER_get_rrec(rl)               (&(rl)->rrec)
+#define RECORD_LAYER_get_wrec(rl)               (&(rl)->wrec)
+#define RECORD_LAYER_set_packet(rl, p)          ((rl)->packet = (p))
+#define RECORD_LAYER_reset_packet_length(rl)    ((rl)->packet_length = 0)
+#define RECORD_LAYER_get_rstate(rl)             ((rl)->rstate)
+#define RECORD_LAYER_set_rstate(rl, st)         ((rl)->rstate = (st))
+
+__owur int ssl3_read_n(SSL *s, int n, int max, int extend);
+__owur int ssl3_write_pending(SSL *s, int type, const unsigned char *buf,
+                       unsigned int len);
 int dtls1_record_replay_check(SSL *s, DTLS1_BITMAP *bitmap);
 void dtls1_record_bitmap_update(SSL *s, DTLS1_BITMAP *bitmap);
 DTLS1_BITMAP *dtls1_get_bitmap(SSL *s, SSL3_RECORD *rr,
@@ -171,5 +239,4 @@ int dtls1_process_buffered_records(SSL *s);
 int dtls1_retrieve_buffered_record(SSL *s, record_pqueue *queue);
 int dtls1_buffer_record(SSL *s, record_pqueue *q,
                                unsigned char *priority);
-void dtls1_reset_seq_numbers(SSL *s, int rw);