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Tidy up rec_layer.h. Add some comments regarding which functions should be

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being used for what purpose.

Reviewed-by: Richard Levitte <levitte@openssl.org>
This commit is contained in:
Matt Caswell 2015-02-02 11:41:29 +00:00
parent 999005e493
commit a0682a5e26
1 changed files with 29 additions and 4 deletions
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33
ssl/record/rec_layer.h
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@ -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 */
@ -142,6 +150,14 @@ typedef struct record_layer_st {
SSL3_RECORD wrec;
} RECORD_LAYER;
/*****************************************************************************
* *
* The following macros/functions represent the libssl internal API to the *
* record layer. *
* *
*****************************************************************************/
#define RECORD_LAYER_set_ssl(rl, s) ((rl)->s = (s))
#define RECORD_LAYER_set_read_ahead(rl, ra) ((rl)->read_ahead = (ra))
#define RECORD_LAYER_get_read_ahead(rl) ((rl)->read_ahead)
@ -152,17 +168,27 @@ typedef struct record_layer_st {
__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 functions are private to the record layer. They should not *
* be used outside of the record layer. *
* *
*****************************************************************************/
__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 +197,4 @@ 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);