/src/gnutls/lib/mbuffers.h

Source (jump to first uncovered line)
/*
 * Copyright (C) 2009-2012 Free Software Foundation, Inc.
 *
 * Author: Jonathan Bastien-Filiatrault
 *
 * This file is part of GNUTLS.
 *
 * The GNUTLS library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>
 *
 */

#ifndef GNUTLS_LIB_MBUFFERS_H
# define GNUTLS_LIB_MBUFFERS_H

# include "gnutls_int.h"
# include "errors.h"
# include <assert.h>

void _mbuffer_head_init(mbuffer_head_st * buf);
void _mbuffer_head_clear(mbuffer_head_st * buf);
void _mbuffer_enqueue(mbuffer_head_st * buf, mbuffer_st * bufel);
mbuffer_st *_mbuffer_dequeue(mbuffer_head_st * buf, mbuffer_st * bufel);
int _mbuffer_head_remove_bytes(mbuffer_head_st * buf, size_t bytes);
mbuffer_st *_mbuffer_alloc(size_t maximum_size);
int _mbuffer_linearize(mbuffer_head_st * buf);

mbuffer_st *_mbuffer_head_get_first(mbuffer_head_st * buf,
            gnutls_datum_t * msg);
mbuffer_st *_mbuffer_head_get_next(mbuffer_st * cur, gnutls_datum_t * msg);

void _mbuffer_head_push_first(mbuffer_head_st * buf, mbuffer_st * bufel);

mbuffer_st *_mbuffer_head_pop_first(mbuffer_head_st * buf);

/* This is dangerous since it will replace bufel with a new
 * one.
 */
int _mbuffer_append_data(mbuffer_st * bufel, void *newdata,
       size_t newdata_size);

/* For "user" use. One can have buffer data and header.
 */

inline static void *_mbuffer_get_uhead_ptr(mbuffer_st * bufel)
{
  return bufel->msg.data + bufel->mark;
}

inline static void *_mbuffer_get_udata_ptr(mbuffer_st * bufel)
{
  return bufel->msg.data + bufel->uhead_mark + bufel->mark;
}

inline static void _mbuffer_set_udata_size(mbuffer_st * bufel, size_t size)
{
  bufel->msg.size = size + bufel->uhead_mark + bufel->mark;
}

inline static void
_mbuffer_set_udata(mbuffer_st * bufel, void *data, size_t data_size)
{
  memcpy(_mbuffer_get_udata_ptr(bufel), data, data_size);
  _mbuffer_set_udata_size(bufel, data_size);
}

inline static size_t _mbuffer_get_udata_size(mbuffer_st * bufel)
{
  return bufel->msg.size - bufel->uhead_mark - bufel->mark;
}

/* discards size bytes from the begging of the buffer */
inline static void
_mbuffer_consume(mbuffer_head_st * buf, mbuffer_st * bufel, size_t size)
{
  bufel->uhead_mark = 0;
  if (bufel->mark + size < bufel->msg.size)
    bufel->mark += size;
  else
    bufel->mark = bufel->msg.size;

  buf->byte_length -= size;
}

inline static size_t _mbuffer_get_uhead_size(mbuffer_st * bufel)
{
  return bufel->uhead_mark;
}

inline static void _mbuffer_set_uhead_size(mbuffer_st * bufel, size_t size)
{
  bufel->uhead_mark = size;
}

inline static void _mbuffer_init(mbuffer_st * bufel, size_t max)
{
  memset(bufel, 0, sizeof(*bufel));
  bufel->maximum_size = max;

  /* payload points after the mbuffer_st structure */
  bufel->msg.data = (uint8_t *) bufel + sizeof(mbuffer_st);
}

/* Helper functions to utilize a gnutls_buffer_st in order
 * to generate a gnutls_mbuffer_st, without multiple allocations.
 */
inline static int _gnutls_buffer_init_mbuffer(gnutls_buffer_st * buf,
                size_t header_size)
{
  int ret;
  mbuffer_st *bufel;

  _gnutls_buffer_init(buf);

  ret = _gnutls_buffer_resize(buf, sizeof(mbuffer_st) + header_size);
  if (ret < 0)
    return gnutls_assert_val(ret);

  /* we store the uhead size on the uninitialized bufel, only to read
   * it back on _gnutls_buffer_to_mbuffer(). */
  bufel = (void *)buf->data;
  _mbuffer_set_uhead_size(bufel, header_size);

  buf->length = sizeof(mbuffer_st) + header_size;

  return 0;
}

# define _gnutls_buffer_init_handshake_mbuffer(b) _gnutls_buffer_init_mbuffer(b, HANDSHAKE_HEADER_SIZE(session))

/* Cannot fail */
inline static mbuffer_st *_gnutls_buffer_to_mbuffer(gnutls_buffer_st * buf)
{
  mbuffer_st *bufel;
  unsigned header_size;

  bufel = (void *)buf->data;

  header_size = _mbuffer_get_uhead_size(bufel);
  assert(buf->length >= sizeof(mbuffer_st) + header_size);

  _mbuffer_init(bufel, buf->length - sizeof(mbuffer_st));

  _mbuffer_set_udata_size(bufel, buf->length - sizeof(mbuffer_st));
  _mbuffer_set_uhead_size(bufel, header_size);

  _gnutls_buffer_init(buf); /* avoid double frees */

  return bufel;
}

inline static mbuffer_st *_gnutls_handshake_alloc(gnutls_session_t session,
              size_t maximum)
{
  mbuffer_st *bufel =
      _mbuffer_alloc(HANDSHAKE_HEADER_SIZE(session) + maximum);

  if (!bufel)
    return NULL;

  _mbuffer_set_uhead_size(bufel, HANDSHAKE_HEADER_SIZE(session));
  _mbuffer_set_udata_size(bufel, maximum);

  return bufel;
}

/* Free a segment, if the pointer is not NULL
 *
 * We take a ** to detect and fix double free bugs (the dangling
 * pointer case). It also makes sure the pointer has a known value
 * after freeing.
 */
inline static void _mbuffer_xfree(mbuffer_st ** bufel)
{
  if (*bufel)
    gnutls_free(*bufel);

  *bufel = NULL;
}

# ifdef ENABLE_ALIGN16
mbuffer_st *_mbuffer_alloc_align16(size_t maximum_size, unsigned align_pos);
int _mbuffer_linearize_align16(mbuffer_head_st * buf, unsigned align_pos);
# else
#  define _mbuffer_alloc_align16(x,y) _mbuffer_alloc(x)
#  define _mbuffer_linearize_align16(x,y) _mbuffer_linearize(x)
# endif

#endif        /* GNUTLS_LIB_MBUFFERS_H */

Line	Count	Source (jump to first uncovered line)
1		/*
2		* Copyright (C) 2009-2012 Free Software Foundation, Inc.
3		*
4		* Author: Jonathan Bastien-Filiatrault
5		*
6		* This file is part of GNUTLS.
7		*
8		* The GNUTLS library is free software; you can redistribute it and/or
9		* modify it under the terms of the GNU Lesser General Public License
10		* as published by the Free Software Foundation; either version 2.1 of
11		* the License, or (at your option) any later version.
12		*
13		* This library is distributed in the hope that it will be useful, but
14		* WITHOUT ANY WARRANTY; without even the implied warranty of
15		* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16		* Lesser General Public License for more details.
17		*
18		* You should have received a copy of the GNU Lesser General Public License
19		* along with this program. If not, see <https://www.gnu.org/licenses/>
20		*
21		*/
22
23		#ifndef GNUTLS_LIB_MBUFFERS_H
24		# define GNUTLS_LIB_MBUFFERS_H
25
26		# include "gnutls_int.h"
27		# include "errors.h"
28		# include <assert.h>
29
30		void _mbuffer_head_init(mbuffer_head_st * buf);
31		void _mbuffer_head_clear(mbuffer_head_st * buf);
32		void _mbuffer_enqueue(mbuffer_head_st * buf, mbuffer_st * bufel);
33		mbuffer_st _mbuffer_dequeue(mbuffer_head_st buf, mbuffer_st * bufel);
34		int _mbuffer_head_remove_bytes(mbuffer_head_st * buf, size_t bytes);
35		mbuffer_st *_mbuffer_alloc(size_t maximum_size);
36		int _mbuffer_linearize(mbuffer_head_st * buf);
37
38		mbuffer_st _mbuffer_head_get_first(mbuffer_head_st buf,
39		gnutls_datum_t * msg);
40		mbuffer_st _mbuffer_head_get_next(mbuffer_st cur, gnutls_datum_t * msg);
41
42		void _mbuffer_head_push_first(mbuffer_head_st * buf, mbuffer_st * bufel);
43
44		mbuffer_st _mbuffer_head_pop_first(mbuffer_head_st buf);
45
46		/* This is dangerous since it will replace bufel with a new
47		* one.
48		*/
49		int _mbuffer_append_data(mbuffer_st * bufel, void *newdata,
50		size_t newdata_size);
51
52		/* For "user" use. One can have buffer data and header.
53		*/
54
55		inline static void _mbuffer_get_uhead_ptr(mbuffer_st bufel)
56	0	{
57	0	return bufel->msg.data + bufel->mark;
58	0	} Unexecuted instantiation: record.c:_mbuffer_get_uhead_ptr Unexecuted instantiation: cipher.c:_mbuffer_get_uhead_ptr Unexecuted instantiation: handshake-tls13.c:_mbuffer_get_uhead_ptr Unexecuted instantiation: mbuffers.c:_mbuffer_get_uhead_ptr Unexecuted instantiation: buffers.c:_mbuffer_get_uhead_ptr Unexecuted instantiation: handshake.c:_mbuffer_get_uhead_ptr Unexecuted instantiation: kx.c:_mbuffer_get_uhead_ptr Unexecuted instantiation: session.c:_mbuffer_get_uhead_ptr Unexecuted instantiation: sslv2_compat.c:_mbuffer_get_uhead_ptr Unexecuted instantiation: constate.c:_mbuffer_get_uhead_ptr Unexecuted instantiation: alert.c:_mbuffer_get_uhead_ptr Unexecuted instantiation: state.c:_mbuffer_get_uhead_ptr Unexecuted instantiation: cert-cred-x509.c:_mbuffer_get_uhead_ptr Unexecuted instantiation: dtls.c:_mbuffer_get_uhead_ptr Unexecuted instantiation: system_override.c:_mbuffer_get_uhead_ptr Unexecuted instantiation: prf.c:_mbuffer_get_uhead_ptr Unexecuted instantiation: handshake-checks.c:_mbuffer_get_uhead_ptr Unexecuted instantiation: dtls-sw.c:_mbuffer_get_uhead_ptr Unexecuted instantiation: ocsp-api.c:_mbuffer_get_uhead_ptr Unexecuted instantiation: encrypted_extensions.c:_mbuffer_get_uhead_ptr Unexecuted instantiation: certificate_request.c:_mbuffer_get_uhead_ptr Unexecuted instantiation: certificate_verify.c:_mbuffer_get_uhead_ptr Unexecuted instantiation: finished.c:_mbuffer_get_uhead_ptr Unexecuted instantiation: key_update.c:_mbuffer_get_uhead_ptr Unexecuted instantiation: hello_retry.c:_mbuffer_get_uhead_ptr Unexecuted instantiation: session_ticket.c:_mbuffer_get_uhead_ptr Unexecuted instantiation: certificate.c:_mbuffer_get_uhead_ptr Unexecuted instantiation: early_data.c:_mbuffer_get_uhead_ptr Unexecuted instantiation: post_handshake.c:_mbuffer_get_uhead_ptr Unexecuted instantiation: tls-sig.c:_mbuffer_get_uhead_ptr
59
60		inline static void _mbuffer_get_udata_ptr(mbuffer_st bufel)
61	0	{
62	0	return bufel->msg.data + bufel->uhead_mark + bufel->mark;
63	0	} Unexecuted instantiation: record.c:_mbuffer_get_udata_ptr Unexecuted instantiation: cipher.c:_mbuffer_get_udata_ptr Unexecuted instantiation: handshake-tls13.c:_mbuffer_get_udata_ptr Unexecuted instantiation: mbuffers.c:_mbuffer_get_udata_ptr Unexecuted instantiation: buffers.c:_mbuffer_get_udata_ptr Unexecuted instantiation: handshake.c:_mbuffer_get_udata_ptr Unexecuted instantiation: kx.c:_mbuffer_get_udata_ptr Unexecuted instantiation: session.c:_mbuffer_get_udata_ptr Unexecuted instantiation: sslv2_compat.c:_mbuffer_get_udata_ptr Unexecuted instantiation: constate.c:_mbuffer_get_udata_ptr Unexecuted instantiation: alert.c:_mbuffer_get_udata_ptr Unexecuted instantiation: state.c:_mbuffer_get_udata_ptr Unexecuted instantiation: cert-cred-x509.c:_mbuffer_get_udata_ptr Unexecuted instantiation: dtls.c:_mbuffer_get_udata_ptr Unexecuted instantiation: system_override.c:_mbuffer_get_udata_ptr Unexecuted instantiation: prf.c:_mbuffer_get_udata_ptr Unexecuted instantiation: handshake-checks.c:_mbuffer_get_udata_ptr Unexecuted instantiation: dtls-sw.c:_mbuffer_get_udata_ptr Unexecuted instantiation: ocsp-api.c:_mbuffer_get_udata_ptr Unexecuted instantiation: encrypted_extensions.c:_mbuffer_get_udata_ptr Unexecuted instantiation: certificate_request.c:_mbuffer_get_udata_ptr Unexecuted instantiation: certificate_verify.c:_mbuffer_get_udata_ptr Unexecuted instantiation: finished.c:_mbuffer_get_udata_ptr Unexecuted instantiation: key_update.c:_mbuffer_get_udata_ptr Unexecuted instantiation: hello_retry.c:_mbuffer_get_udata_ptr Unexecuted instantiation: certificate.c:_mbuffer_get_udata_ptr Unexecuted instantiation: early_data.c:_mbuffer_get_udata_ptr Unexecuted instantiation: post_handshake.c:_mbuffer_get_udata_ptr Unexecuted instantiation: tls-sig.c:_mbuffer_get_udata_ptr
64
65		inline static void _mbuffer_set_udata_size(mbuffer_st * bufel, size_t size)
66	0	{
67	0	bufel->msg.size = size + bufel->uhead_mark + bufel->mark;
68	0	} Unexecuted instantiation: record.c:_mbuffer_set_udata_size Unexecuted instantiation: cipher.c:_mbuffer_set_udata_size Unexecuted instantiation: handshake-tls13.c:_mbuffer_set_udata_size Unexecuted instantiation: mbuffers.c:_mbuffer_set_udata_size Unexecuted instantiation: buffers.c:_mbuffer_set_udata_size Unexecuted instantiation: handshake.c:_mbuffer_set_udata_size Unexecuted instantiation: kx.c:_mbuffer_set_udata_size Unexecuted instantiation: session.c:_mbuffer_set_udata_size Unexecuted instantiation: sslv2_compat.c:_mbuffer_set_udata_size Unexecuted instantiation: constate.c:_mbuffer_set_udata_size Unexecuted instantiation: alert.c:_mbuffer_set_udata_size Unexecuted instantiation: state.c:_mbuffer_set_udata_size Unexecuted instantiation: cert-cred-x509.c:_mbuffer_set_udata_size Unexecuted instantiation: dtls.c:_mbuffer_set_udata_size Unexecuted instantiation: system_override.c:_mbuffer_set_udata_size Unexecuted instantiation: prf.c:_mbuffer_set_udata_size Unexecuted instantiation: handshake-checks.c:_mbuffer_set_udata_size Unexecuted instantiation: dtls-sw.c:_mbuffer_set_udata_size Unexecuted instantiation: ocsp-api.c:_mbuffer_set_udata_size Unexecuted instantiation: encrypted_extensions.c:_mbuffer_set_udata_size Unexecuted instantiation: certificate_request.c:_mbuffer_set_udata_size Unexecuted instantiation: certificate_verify.c:_mbuffer_set_udata_size Unexecuted instantiation: finished.c:_mbuffer_set_udata_size Unexecuted instantiation: key_update.c:_mbuffer_set_udata_size Unexecuted instantiation: hello_retry.c:_mbuffer_set_udata_size Unexecuted instantiation: session_ticket.c:_mbuffer_set_udata_size Unexecuted instantiation: certificate.c:_mbuffer_set_udata_size Unexecuted instantiation: early_data.c:_mbuffer_set_udata_size Unexecuted instantiation: post_handshake.c:_mbuffer_set_udata_size Unexecuted instantiation: tls-sig.c:_mbuffer_set_udata_size
69
70		inline static void
71		_mbuffer_set_udata(mbuffer_st * bufel, void *data, size_t data_size)
72	0	{
73	0	memcpy(_mbuffer_get_udata_ptr(bufel), data, data_size);
74	0	_mbuffer_set_udata_size(bufel, data_size);
75	0	} Unexecuted instantiation: record.c:_mbuffer_set_udata Unexecuted instantiation: cipher.c:_mbuffer_set_udata Unexecuted instantiation: handshake-tls13.c:_mbuffer_set_udata Unexecuted instantiation: mbuffers.c:_mbuffer_set_udata Unexecuted instantiation: buffers.c:_mbuffer_set_udata Unexecuted instantiation: handshake.c:_mbuffer_set_udata Unexecuted instantiation: kx.c:_mbuffer_set_udata Unexecuted instantiation: session.c:_mbuffer_set_udata Unexecuted instantiation: sslv2_compat.c:_mbuffer_set_udata Unexecuted instantiation: constate.c:_mbuffer_set_udata Unexecuted instantiation: alert.c:_mbuffer_set_udata Unexecuted instantiation: state.c:_mbuffer_set_udata Unexecuted instantiation: cert-cred-x509.c:_mbuffer_set_udata Unexecuted instantiation: dtls.c:_mbuffer_set_udata Unexecuted instantiation: system_override.c:_mbuffer_set_udata Unexecuted instantiation: prf.c:_mbuffer_set_udata Unexecuted instantiation: handshake-checks.c:_mbuffer_set_udata Unexecuted instantiation: dtls-sw.c:_mbuffer_set_udata Unexecuted instantiation: ocsp-api.c:_mbuffer_set_udata Unexecuted instantiation: encrypted_extensions.c:_mbuffer_set_udata Unexecuted instantiation: certificate_request.c:_mbuffer_set_udata Unexecuted instantiation: certificate_verify.c:_mbuffer_set_udata Unexecuted instantiation: finished.c:_mbuffer_set_udata Unexecuted instantiation: key_update.c:_mbuffer_set_udata Unexecuted instantiation: hello_retry.c:_mbuffer_set_udata Unexecuted instantiation: session_ticket.c:_mbuffer_set_udata Unexecuted instantiation: certificate.c:_mbuffer_set_udata Unexecuted instantiation: early_data.c:_mbuffer_set_udata Unexecuted instantiation: post_handshake.c:_mbuffer_set_udata Unexecuted instantiation: tls-sig.c:_mbuffer_set_udata
76
77		inline static size_t _mbuffer_get_udata_size(mbuffer_st * bufel)
78	0	{
79	0	return bufel->msg.size - bufel->uhead_mark - bufel->mark;
80	0	} Unexecuted instantiation: record.c:_mbuffer_get_udata_size Unexecuted instantiation: cipher.c:_mbuffer_get_udata_size Unexecuted instantiation: handshake-tls13.c:_mbuffer_get_udata_size Unexecuted instantiation: mbuffers.c:_mbuffer_get_udata_size Unexecuted instantiation: buffers.c:_mbuffer_get_udata_size Unexecuted instantiation: handshake.c:_mbuffer_get_udata_size Unexecuted instantiation: kx.c:_mbuffer_get_udata_size Unexecuted instantiation: session.c:_mbuffer_get_udata_size Unexecuted instantiation: sslv2_compat.c:_mbuffer_get_udata_size Unexecuted instantiation: constate.c:_mbuffer_get_udata_size Unexecuted instantiation: alert.c:_mbuffer_get_udata_size Unexecuted instantiation: state.c:_mbuffer_get_udata_size Unexecuted instantiation: cert-cred-x509.c:_mbuffer_get_udata_size Unexecuted instantiation: dtls.c:_mbuffer_get_udata_size Unexecuted instantiation: system_override.c:_mbuffer_get_udata_size Unexecuted instantiation: prf.c:_mbuffer_get_udata_size Unexecuted instantiation: handshake-checks.c:_mbuffer_get_udata_size Unexecuted instantiation: dtls-sw.c:_mbuffer_get_udata_size Unexecuted instantiation: ocsp-api.c:_mbuffer_get_udata_size Unexecuted instantiation: encrypted_extensions.c:_mbuffer_get_udata_size Unexecuted instantiation: certificate_request.c:_mbuffer_get_udata_size Unexecuted instantiation: certificate_verify.c:_mbuffer_get_udata_size Unexecuted instantiation: finished.c:_mbuffer_get_udata_size Unexecuted instantiation: key_update.c:_mbuffer_get_udata_size Unexecuted instantiation: hello_retry.c:_mbuffer_get_udata_size Unexecuted instantiation: session_ticket.c:_mbuffer_get_udata_size Unexecuted instantiation: certificate.c:_mbuffer_get_udata_size Unexecuted instantiation: early_data.c:_mbuffer_get_udata_size Unexecuted instantiation: post_handshake.c:_mbuffer_get_udata_size Unexecuted instantiation: tls-sig.c:_mbuffer_get_udata_size
81
82		/* discards size bytes from the begging of the buffer */
83		inline static void
84		_mbuffer_consume(mbuffer_head_st * buf, mbuffer_st * bufel, size_t size)
85	0	{
86	0	bufel->uhead_mark = 0;
87	0	if (bufel->mark + size < bufel->msg.size)
88	0	bufel->mark += size;
89	0	else
90	0	bufel->mark = bufel->msg.size;
91
92	0	buf->byte_length -= size;
93	0	} Unexecuted instantiation: record.c:_mbuffer_consume Unexecuted instantiation: cipher.c:_mbuffer_consume Unexecuted instantiation: handshake-tls13.c:_mbuffer_consume Unexecuted instantiation: mbuffers.c:_mbuffer_consume Unexecuted instantiation: buffers.c:_mbuffer_consume Unexecuted instantiation: handshake.c:_mbuffer_consume Unexecuted instantiation: kx.c:_mbuffer_consume Unexecuted instantiation: session.c:_mbuffer_consume Unexecuted instantiation: sslv2_compat.c:_mbuffer_consume Unexecuted instantiation: constate.c:_mbuffer_consume Unexecuted instantiation: alert.c:_mbuffer_consume Unexecuted instantiation: state.c:_mbuffer_consume Unexecuted instantiation: cert-cred-x509.c:_mbuffer_consume Unexecuted instantiation: dtls.c:_mbuffer_consume Unexecuted instantiation: system_override.c:_mbuffer_consume Unexecuted instantiation: prf.c:_mbuffer_consume Unexecuted instantiation: handshake-checks.c:_mbuffer_consume Unexecuted instantiation: dtls-sw.c:_mbuffer_consume Unexecuted instantiation: ocsp-api.c:_mbuffer_consume Unexecuted instantiation: encrypted_extensions.c:_mbuffer_consume Unexecuted instantiation: certificate_request.c:_mbuffer_consume Unexecuted instantiation: certificate_verify.c:_mbuffer_consume Unexecuted instantiation: finished.c:_mbuffer_consume Unexecuted instantiation: key_update.c:_mbuffer_consume Unexecuted instantiation: hello_retry.c:_mbuffer_consume Unexecuted instantiation: session_ticket.c:_mbuffer_consume Unexecuted instantiation: certificate.c:_mbuffer_consume Unexecuted instantiation: early_data.c:_mbuffer_consume Unexecuted instantiation: post_handshake.c:_mbuffer_consume Unexecuted instantiation: tls-sig.c:_mbuffer_consume
94
95		inline static size_t _mbuffer_get_uhead_size(mbuffer_st * bufel)
96	0	{
97	0	return bufel->uhead_mark;
98	0	} Unexecuted instantiation: record.c:_mbuffer_get_uhead_size Unexecuted instantiation: cipher.c:_mbuffer_get_uhead_size Unexecuted instantiation: handshake-tls13.c:_mbuffer_get_uhead_size Unexecuted instantiation: mbuffers.c:_mbuffer_get_uhead_size Unexecuted instantiation: buffers.c:_mbuffer_get_uhead_size Unexecuted instantiation: handshake.c:_mbuffer_get_uhead_size Unexecuted instantiation: kx.c:_mbuffer_get_uhead_size Unexecuted instantiation: session.c:_mbuffer_get_uhead_size Unexecuted instantiation: sslv2_compat.c:_mbuffer_get_uhead_size Unexecuted instantiation: constate.c:_mbuffer_get_uhead_size Unexecuted instantiation: alert.c:_mbuffer_get_uhead_size Unexecuted instantiation: state.c:_mbuffer_get_uhead_size Unexecuted instantiation: cert-cred-x509.c:_mbuffer_get_uhead_size Unexecuted instantiation: dtls.c:_mbuffer_get_uhead_size Unexecuted instantiation: system_override.c:_mbuffer_get_uhead_size Unexecuted instantiation: prf.c:_mbuffer_get_uhead_size Unexecuted instantiation: handshake-checks.c:_mbuffer_get_uhead_size Unexecuted instantiation: dtls-sw.c:_mbuffer_get_uhead_size Unexecuted instantiation: ocsp-api.c:_mbuffer_get_uhead_size Unexecuted instantiation: encrypted_extensions.c:_mbuffer_get_uhead_size Unexecuted instantiation: certificate_request.c:_mbuffer_get_uhead_size Unexecuted instantiation: certificate_verify.c:_mbuffer_get_uhead_size Unexecuted instantiation: finished.c:_mbuffer_get_uhead_size Unexecuted instantiation: key_update.c:_mbuffer_get_uhead_size Unexecuted instantiation: hello_retry.c:_mbuffer_get_uhead_size Unexecuted instantiation: session_ticket.c:_mbuffer_get_uhead_size Unexecuted instantiation: certificate.c:_mbuffer_get_uhead_size Unexecuted instantiation: early_data.c:_mbuffer_get_uhead_size Unexecuted instantiation: post_handshake.c:_mbuffer_get_uhead_size Unexecuted instantiation: tls-sig.c:_mbuffer_get_uhead_size
99
100		inline static void _mbuffer_set_uhead_size(mbuffer_st * bufel, size_t size)
101	0	{
102	0	bufel->uhead_mark = size;
103	0	} Unexecuted instantiation: record.c:_mbuffer_set_uhead_size Unexecuted instantiation: cipher.c:_mbuffer_set_uhead_size Unexecuted instantiation: handshake-tls13.c:_mbuffer_set_uhead_size Unexecuted instantiation: mbuffers.c:_mbuffer_set_uhead_size Unexecuted instantiation: buffers.c:_mbuffer_set_uhead_size Unexecuted instantiation: handshake.c:_mbuffer_set_uhead_size Unexecuted instantiation: kx.c:_mbuffer_set_uhead_size Unexecuted instantiation: session.c:_mbuffer_set_uhead_size Unexecuted instantiation: sslv2_compat.c:_mbuffer_set_uhead_size Unexecuted instantiation: constate.c:_mbuffer_set_uhead_size Unexecuted instantiation: alert.c:_mbuffer_set_uhead_size Unexecuted instantiation: state.c:_mbuffer_set_uhead_size Unexecuted instantiation: cert-cred-x509.c:_mbuffer_set_uhead_size Unexecuted instantiation: dtls.c:_mbuffer_set_uhead_size Unexecuted instantiation: system_override.c:_mbuffer_set_uhead_size Unexecuted instantiation: prf.c:_mbuffer_set_uhead_size Unexecuted instantiation: handshake-checks.c:_mbuffer_set_uhead_size Unexecuted instantiation: dtls-sw.c:_mbuffer_set_uhead_size Unexecuted instantiation: ocsp-api.c:_mbuffer_set_uhead_size Unexecuted instantiation: encrypted_extensions.c:_mbuffer_set_uhead_size Unexecuted instantiation: certificate_request.c:_mbuffer_set_uhead_size Unexecuted instantiation: certificate_verify.c:_mbuffer_set_uhead_size Unexecuted instantiation: finished.c:_mbuffer_set_uhead_size Unexecuted instantiation: key_update.c:_mbuffer_set_uhead_size Unexecuted instantiation: hello_retry.c:_mbuffer_set_uhead_size Unexecuted instantiation: session_ticket.c:_mbuffer_set_uhead_size Unexecuted instantiation: certificate.c:_mbuffer_set_uhead_size Unexecuted instantiation: early_data.c:_mbuffer_set_uhead_size Unexecuted instantiation: post_handshake.c:_mbuffer_set_uhead_size Unexecuted instantiation: tls-sig.c:_mbuffer_set_uhead_size
104
105		inline static void _mbuffer_init(mbuffer_st * bufel, size_t max)
106	0	{
107	0	memset(bufel, 0, sizeof(*bufel));
108	0	bufel->maximum_size = max;
109
110		/* payload points after the mbuffer_st structure */
111	0	bufel->msg.data = (uint8_t *) bufel + sizeof(mbuffer_st);
112	0	} Unexecuted instantiation: record.c:_mbuffer_init Unexecuted instantiation: cipher.c:_mbuffer_init Unexecuted instantiation: handshake-tls13.c:_mbuffer_init Unexecuted instantiation: mbuffers.c:_mbuffer_init Unexecuted instantiation: buffers.c:_mbuffer_init Unexecuted instantiation: handshake.c:_mbuffer_init Unexecuted instantiation: kx.c:_mbuffer_init Unexecuted instantiation: session.c:_mbuffer_init Unexecuted instantiation: sslv2_compat.c:_mbuffer_init Unexecuted instantiation: constate.c:_mbuffer_init Unexecuted instantiation: alert.c:_mbuffer_init Unexecuted instantiation: state.c:_mbuffer_init Unexecuted instantiation: cert-cred-x509.c:_mbuffer_init Unexecuted instantiation: dtls.c:_mbuffer_init Unexecuted instantiation: system_override.c:_mbuffer_init Unexecuted instantiation: prf.c:_mbuffer_init Unexecuted instantiation: handshake-checks.c:_mbuffer_init Unexecuted instantiation: dtls-sw.c:_mbuffer_init Unexecuted instantiation: ocsp-api.c:_mbuffer_init Unexecuted instantiation: encrypted_extensions.c:_mbuffer_init Unexecuted instantiation: certificate_request.c:_mbuffer_init Unexecuted instantiation: certificate_verify.c:_mbuffer_init Unexecuted instantiation: finished.c:_mbuffer_init Unexecuted instantiation: key_update.c:_mbuffer_init Unexecuted instantiation: hello_retry.c:_mbuffer_init Unexecuted instantiation: session_ticket.c:_mbuffer_init Unexecuted instantiation: certificate.c:_mbuffer_init Unexecuted instantiation: early_data.c:_mbuffer_init Unexecuted instantiation: post_handshake.c:_mbuffer_init Unexecuted instantiation: tls-sig.c:_mbuffer_init
113
114		/* Helper functions to utilize a gnutls_buffer_st in order
115		* to generate a gnutls_mbuffer_st, without multiple allocations.
116		*/
117		inline static int _gnutls_buffer_init_mbuffer(gnutls_buffer_st * buf,
118		size_t header_size)
119	0	{
120	0	int ret;
121	0	mbuffer_st *bufel;
122
123	0	_gnutls_buffer_init(buf);
124
125	0	ret = _gnutls_buffer_resize(buf, sizeof(mbuffer_st) + header_size);
126	0	if (ret < 0)
127	0	return gnutls_assert_val(ret);
128
129		/* we store the uhead size on the uninitialized bufel, only to read
130		* it back on _gnutls_buffer_to_mbuffer(). */
131	0	bufel = (void *)buf->data;
132	0	_mbuffer_set_uhead_size(bufel, header_size);
133
134	0	buf->length = sizeof(mbuffer_st) + header_size;
135
136	0	return 0;
137	0	} Unexecuted instantiation: record.c:_gnutls_buffer_init_mbuffer Unexecuted instantiation: cipher.c:_gnutls_buffer_init_mbuffer Unexecuted instantiation: handshake-tls13.c:_gnutls_buffer_init_mbuffer Unexecuted instantiation: mbuffers.c:_gnutls_buffer_init_mbuffer Unexecuted instantiation: buffers.c:_gnutls_buffer_init_mbuffer Unexecuted instantiation: handshake.c:_gnutls_buffer_init_mbuffer Unexecuted instantiation: kx.c:_gnutls_buffer_init_mbuffer Unexecuted instantiation: session.c:_gnutls_buffer_init_mbuffer Unexecuted instantiation: sslv2_compat.c:_gnutls_buffer_init_mbuffer Unexecuted instantiation: constate.c:_gnutls_buffer_init_mbuffer Unexecuted instantiation: alert.c:_gnutls_buffer_init_mbuffer Unexecuted instantiation: state.c:_gnutls_buffer_init_mbuffer Unexecuted instantiation: cert-cred-x509.c:_gnutls_buffer_init_mbuffer Unexecuted instantiation: dtls.c:_gnutls_buffer_init_mbuffer Unexecuted instantiation: system_override.c:_gnutls_buffer_init_mbuffer Unexecuted instantiation: prf.c:_gnutls_buffer_init_mbuffer Unexecuted instantiation: handshake-checks.c:_gnutls_buffer_init_mbuffer Unexecuted instantiation: dtls-sw.c:_gnutls_buffer_init_mbuffer Unexecuted instantiation: ocsp-api.c:_gnutls_buffer_init_mbuffer Unexecuted instantiation: encrypted_extensions.c:_gnutls_buffer_init_mbuffer Unexecuted instantiation: certificate_request.c:_gnutls_buffer_init_mbuffer Unexecuted instantiation: certificate_verify.c:_gnutls_buffer_init_mbuffer Unexecuted instantiation: finished.c:_gnutls_buffer_init_mbuffer Unexecuted instantiation: key_update.c:_gnutls_buffer_init_mbuffer Unexecuted instantiation: hello_retry.c:_gnutls_buffer_init_mbuffer Unexecuted instantiation: session_ticket.c:_gnutls_buffer_init_mbuffer Unexecuted instantiation: certificate.c:_gnutls_buffer_init_mbuffer Unexecuted instantiation: early_data.c:_gnutls_buffer_init_mbuffer Unexecuted instantiation: post_handshake.c:_gnutls_buffer_init_mbuffer Unexecuted instantiation: tls-sig.c:_gnutls_buffer_init_mbuffer
138
139	0	# define _gnutls_buffer_init_handshake_mbuffer(b) _gnutls_buffer_init_mbuffer(b, HANDSHAKE_HEADER_SIZE(session))
140
141		/* Cannot fail */
142		inline static mbuffer_st _gnutls_buffer_to_mbuffer(gnutls_buffer_st buf)
143	0	{
144	0	mbuffer_st *bufel;
145	0	unsigned header_size;
146
147	0	bufel = (void *)buf->data;
148
149	0	header_size = _mbuffer_get_uhead_size(bufel);
150	0	assert(buf->length >= sizeof(mbuffer_st) + header_size);
151
152	0	_mbuffer_init(bufel, buf->length - sizeof(mbuffer_st));
153
154	0	_mbuffer_set_udata_size(bufel, buf->length - sizeof(mbuffer_st));
155	0	_mbuffer_set_uhead_size(bufel, header_size);
156
157	0	_gnutls_buffer_init(buf); /* avoid double frees */
158
159	0	return bufel;
160	0	} Unexecuted instantiation: record.c:_gnutls_buffer_to_mbuffer Unexecuted instantiation: cipher.c:_gnutls_buffer_to_mbuffer Unexecuted instantiation: handshake-tls13.c:_gnutls_buffer_to_mbuffer Unexecuted instantiation: mbuffers.c:_gnutls_buffer_to_mbuffer Unexecuted instantiation: buffers.c:_gnutls_buffer_to_mbuffer Unexecuted instantiation: handshake.c:_gnutls_buffer_to_mbuffer Unexecuted instantiation: kx.c:_gnutls_buffer_to_mbuffer Unexecuted instantiation: session.c:_gnutls_buffer_to_mbuffer Unexecuted instantiation: sslv2_compat.c:_gnutls_buffer_to_mbuffer Unexecuted instantiation: constate.c:_gnutls_buffer_to_mbuffer Unexecuted instantiation: alert.c:_gnutls_buffer_to_mbuffer Unexecuted instantiation: state.c:_gnutls_buffer_to_mbuffer Unexecuted instantiation: cert-cred-x509.c:_gnutls_buffer_to_mbuffer Unexecuted instantiation: dtls.c:_gnutls_buffer_to_mbuffer Unexecuted instantiation: system_override.c:_gnutls_buffer_to_mbuffer Unexecuted instantiation: prf.c:_gnutls_buffer_to_mbuffer Unexecuted instantiation: handshake-checks.c:_gnutls_buffer_to_mbuffer Unexecuted instantiation: dtls-sw.c:_gnutls_buffer_to_mbuffer Unexecuted instantiation: ocsp-api.c:_gnutls_buffer_to_mbuffer Unexecuted instantiation: encrypted_extensions.c:_gnutls_buffer_to_mbuffer Unexecuted instantiation: certificate_request.c:_gnutls_buffer_to_mbuffer Unexecuted instantiation: certificate_verify.c:_gnutls_buffer_to_mbuffer Unexecuted instantiation: finished.c:_gnutls_buffer_to_mbuffer Unexecuted instantiation: key_update.c:_gnutls_buffer_to_mbuffer Unexecuted instantiation: hello_retry.c:_gnutls_buffer_to_mbuffer Unexecuted instantiation: session_ticket.c:_gnutls_buffer_to_mbuffer Unexecuted instantiation: certificate.c:_gnutls_buffer_to_mbuffer Unexecuted instantiation: early_data.c:_gnutls_buffer_to_mbuffer Unexecuted instantiation: post_handshake.c:_gnutls_buffer_to_mbuffer Unexecuted instantiation: tls-sig.c:_gnutls_buffer_to_mbuffer
161
162		inline static mbuffer_st *_gnutls_handshake_alloc(gnutls_session_t session,
163		size_t maximum)
164	0	{
165	0	mbuffer_st *bufel =
166	0	_mbuffer_alloc(HANDSHAKE_HEADER_SIZE(session) + maximum);
167
168	0	if (!bufel)
169	0	return NULL;
170
171	0	_mbuffer_set_uhead_size(bufel, HANDSHAKE_HEADER_SIZE(session));
172	0	_mbuffer_set_udata_size(bufel, maximum);
173
174	0	return bufel;
175	0	} Unexecuted instantiation: record.c:_gnutls_handshake_alloc Unexecuted instantiation: cipher.c:_gnutls_handshake_alloc Unexecuted instantiation: handshake-tls13.c:_gnutls_handshake_alloc Unexecuted instantiation: mbuffers.c:_gnutls_handshake_alloc Unexecuted instantiation: buffers.c:_gnutls_handshake_alloc Unexecuted instantiation: handshake.c:_gnutls_handshake_alloc Unexecuted instantiation: kx.c:_gnutls_handshake_alloc Unexecuted instantiation: session.c:_gnutls_handshake_alloc Unexecuted instantiation: sslv2_compat.c:_gnutls_handshake_alloc Unexecuted instantiation: constate.c:_gnutls_handshake_alloc Unexecuted instantiation: alert.c:_gnutls_handshake_alloc Unexecuted instantiation: state.c:_gnutls_handshake_alloc Unexecuted instantiation: cert-cred-x509.c:_gnutls_handshake_alloc Unexecuted instantiation: dtls.c:_gnutls_handshake_alloc Unexecuted instantiation: system_override.c:_gnutls_handshake_alloc Unexecuted instantiation: prf.c:_gnutls_handshake_alloc Unexecuted instantiation: handshake-checks.c:_gnutls_handshake_alloc Unexecuted instantiation: dtls-sw.c:_gnutls_handshake_alloc Unexecuted instantiation: ocsp-api.c:_gnutls_handshake_alloc Unexecuted instantiation: encrypted_extensions.c:_gnutls_handshake_alloc Unexecuted instantiation: certificate_request.c:_gnutls_handshake_alloc Unexecuted instantiation: certificate_verify.c:_gnutls_handshake_alloc Unexecuted instantiation: finished.c:_gnutls_handshake_alloc Unexecuted instantiation: key_update.c:_gnutls_handshake_alloc Unexecuted instantiation: hello_retry.c:_gnutls_handshake_alloc Unexecuted instantiation: certificate.c:_gnutls_handshake_alloc Unexecuted instantiation: early_data.c:_gnutls_handshake_alloc Unexecuted instantiation: post_handshake.c:_gnutls_handshake_alloc Unexecuted instantiation: tls-sig.c:_gnutls_handshake_alloc
176
177		/* Free a segment, if the pointer is not NULL
178		*
179		* We take a ** to detect and fix double free bugs (the dangling
180		* pointer case). It also makes sure the pointer has a known value
181		* after freeing.
182		*/
183		inline static void _mbuffer_xfree(mbuffer_st ** bufel)
184	0	{
185	0	if (*bufel)
186	0	gnutls_free(*bufel);
187
188	0	*bufel = NULL;
189	0	} Unexecuted instantiation: record.c:_mbuffer_xfree Unexecuted instantiation: cipher.c:_mbuffer_xfree Unexecuted instantiation: handshake-tls13.c:_mbuffer_xfree Unexecuted instantiation: mbuffers.c:_mbuffer_xfree Unexecuted instantiation: buffers.c:_mbuffer_xfree Unexecuted instantiation: handshake.c:_mbuffer_xfree Unexecuted instantiation: kx.c:_mbuffer_xfree Unexecuted instantiation: session.c:_mbuffer_xfree Unexecuted instantiation: sslv2_compat.c:_mbuffer_xfree Unexecuted instantiation: constate.c:_mbuffer_xfree Unexecuted instantiation: alert.c:_mbuffer_xfree Unexecuted instantiation: state.c:_mbuffer_xfree Unexecuted instantiation: cert-cred-x509.c:_mbuffer_xfree Unexecuted instantiation: dtls.c:_mbuffer_xfree Unexecuted instantiation: system_override.c:_mbuffer_xfree Unexecuted instantiation: prf.c:_mbuffer_xfree Unexecuted instantiation: handshake-checks.c:_mbuffer_xfree Unexecuted instantiation: dtls-sw.c:_mbuffer_xfree Unexecuted instantiation: ocsp-api.c:_mbuffer_xfree Unexecuted instantiation: encrypted_extensions.c:_mbuffer_xfree Unexecuted instantiation: certificate_request.c:_mbuffer_xfree Unexecuted instantiation: certificate_verify.c:_mbuffer_xfree Unexecuted instantiation: finished.c:_mbuffer_xfree Unexecuted instantiation: key_update.c:_mbuffer_xfree Unexecuted instantiation: hello_retry.c:_mbuffer_xfree Unexecuted instantiation: session_ticket.c:_mbuffer_xfree Unexecuted instantiation: certificate.c:_mbuffer_xfree Unexecuted instantiation: early_data.c:_mbuffer_xfree Unexecuted instantiation: post_handshake.c:_mbuffer_xfree Unexecuted instantiation: tls-sig.c:_mbuffer_xfree
190
191		# ifdef ENABLE_ALIGN16
192		mbuffer_st *_mbuffer_alloc_align16(size_t maximum_size, unsigned align_pos);
193		int _mbuffer_linearize_align16(mbuffer_head_st * buf, unsigned align_pos);
194		# else
195		# define _mbuffer_alloc_align16(x,y) _mbuffer_alloc(x)
196		# define _mbuffer_linearize_align16(x,y) _mbuffer_linearize(x)
197		# endif
198
199		#endif /* GNUTLS_LIB_MBUFFERS_H */

Coverage Report

Created: 2023-03-26 07:33