tls_bio.c File Reference

openssl BIOs for reading/writing via a fixed memory buffer. More...

#include "tls_bio.h"
#include "../../compiler_opt.h"
#include "../../dprint.h"
#include "../../ut.h"
#include "tls_cfg.h"

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Functions

• BIO_METHOD * tls_BIO_mbuf (void)

  returns a custom tls_mbuf BIO.
  

• static int tls_bio_mbuf_free (BIO *b)

  destroy a tls mbuf BIO.
  

• static int tls_bio_mbuf_new (BIO *b)

  create a new BIO.
  

• static int tls_bio_mbuf_read (BIO *b, char *dst, int dst_len)

  read from a mbuf.
  

• int tls_BIO_mbuf_set (BIO *b, struct tls_mbuf *rd, struct tls_mbuf *wr)

  sets the read and write mbuf for an mbuf BIO.
  

• static int tls_bio_mbuf_write (BIO *b, const char *src, int src_len)

  write to a mbuf.
  

• BIO * tls_BIO_new_mbuf (struct tls_mbuf *rd, struct tls_mbuf *wr)

  create an initialize a new tls_BIO_mbuf.
  

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Detailed Description

Definition in file tls_bio.c.

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Function Documentation

BIO_METHOD* tls_BIO_mbuf

(

void

)

Definition at line 87 of file tls_bio.c.

Referenced by tls_BIO_new_mbuf().

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static int tls_bio_mbuf_free

(

BIO *

b

)

[static]

(internal openssl use via the tls_mbuf method)

Returns:

1 on success, 0 on error.

Definition at line 163 of file tls_bio.c.

static int tls_bio_mbuf_new

(

BIO *

b

)

[static]

(internal openssl use via the tls_mbuf method)

Returns:

1 on success, 0 on error.

Definition at line 139 of file tls_bio.c.

static int tls_bio_mbuf_read	(	BIO *	b,
		char *	dst,
		int	dst_len
	)			[static]

(internal openssl use via the tls_mbuf method)

Returns:

bytes read on success (0< ret <=dst_len), -1 on empty buffer & sets should_retry_read, -1 on some other errors (w/o should_retry_read set).

Definition at line 183 of file tls_bio.c.

int tls_BIO_mbuf_set	(	BIO *	b,
		struct tls_mbuf *	rd,
		struct tls_mbuf *	wr
	)

Returns:

1 on success, 0 on error (openssl BIO convention).

Definition at line 117 of file tls_bio.c.

Referenced by tls_BIO_new_mbuf(), and tls_set_mbufs().

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static int tls_bio_mbuf_write	(	BIO *	b,
		const char *	src,
		int	src_len
	)			[static]

(internal openssl use via the tls_mbuf method)

Returns:

bytes written on success (0<= ret <=src_len), -1 on error or buffer full (in this case sets should_retry_write).

Definition at line 236 of file tls_bio.c.

BIO* tls_BIO_new_mbuf	(	struct tls_mbuf *	rd,
		struct tls_mbuf *	wr
	)

Returns:

new BIO on success (!=0), 0 on error.

Definition at line 97 of file tls_bio.c.

References tls_BIO_mbuf(), and tls_BIO_mbuf_set().

Referenced by tls_complete_init().

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