2 * Copyright (C) 2000-2012 Free Software Foundation, Inc.
4 * Author: Nikos Mavrogiannopoulos
6 * This file is part of GnuTLS.
8 * The GnuTLS 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 3 of
11 * the License, or (at your option) any later version.
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.
18 * You should have received a copy of the GNU Lesser General Public License
19 * along with this program. If not, see <http://www.gnu.org/licenses/>
26 #include <gnutls_int.h>
27 #include <gnutls_datum.h>
29 void _gnutls_str_cpy (char *dest
, size_t dest_tot_size
, const char *src
);
30 void _gnutls_mem_cpy (char *dest
, size_t dest_tot_size
, const char *src
,
32 void _gnutls_str_cat (char *dest
, size_t dest_tot_size
, const char *src
);
36 uint8_t *allocd
; /* pointer to allocated data */
37 uint8_t *data
; /* API: pointer to data to copy from */
39 size_t length
; /* API: current length */
42 void _gnutls_buffer_init (gnutls_buffer_st
*);
43 void _gnutls_buffer_clear (gnutls_buffer_st
*);
44 inline static void _gnutls_buffer_reset (gnutls_buffer_st
* buf
)
46 buf
->data
= buf
->allocd
;
50 int _gnutls_buffer_resize (gnutls_buffer_st
*, size_t new_size
);
52 int _gnutls_buffer_append_str (gnutls_buffer_st
*, const char *str
);
53 int _gnutls_buffer_append_data (gnutls_buffer_st
*, const void *data
,
56 #include <gnutls_num.h>
58 void _gnutls_buffer_replace_data( gnutls_buffer_st
* buf
, gnutls_datum_t
* data
);
60 int _gnutls_buffer_append_prefix (gnutls_buffer_st
* buf
, int pfx_size
, size_t data_size
);
62 int _gnutls_buffer_append_mpi (gnutls_buffer_st
* buf
, int pfx_size
, bigint_t
, int lz
);
64 int _gnutls_buffer_append_data_prefix (gnutls_buffer_st
* buf
, int pfx_size
,
65 const void *data
, size_t data_size
);
66 void _gnutls_buffer_pop_data (gnutls_buffer_st
*, void *, size_t * size
);
67 void _gnutls_buffer_pop_datum (gnutls_buffer_st
*, gnutls_datum_t
*,
70 int _gnutls_buffer_pop_prefix (gnutls_buffer_st
* buf
, size_t * data_size
,
73 int _gnutls_buffer_pop_data_prefix (gnutls_buffer_st
* buf
, void *data
,
76 int _gnutls_buffer_pop_datum_prefix (gnutls_buffer_st
* buf
,
77 gnutls_datum_t
* data
);
78 int _gnutls_buffer_to_datum (gnutls_buffer_st
* str
, gnutls_datum_t
* data
);
80 int _gnutls_buffer_escape (gnutls_buffer_st
* dest
, int all
,
81 const char *const invalid_chars
);
82 int _gnutls_buffer_unescape (gnutls_buffer_st
* dest
);
85 /* This feature is available in gcc versions 2.5 and later. */
86 #if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5)
87 #define __attribute__(Spec) /* empty */
91 int _gnutls_buffer_append_printf (gnutls_buffer_st
* dest
, const char *fmt
,
93 __attribute__ ((format (printf
, 2, 3)));
95 void _gnutls_buffer_hexprint (gnutls_buffer_st
* str
,
96 const void *data
, size_t len
);
97 void _gnutls_buffer_hexdump (gnutls_buffer_st
* str
, const void *data
,
98 size_t len
, const char *spc
);
99 void _gnutls_buffer_asciiprint (gnutls_buffer_st
* str
,
100 const char *data
, size_t len
);
102 char *_gnutls_bin2hex (const void *old
, size_t oldlen
, char *buffer
,
103 size_t buffer_size
, const char *separator
);
104 int _gnutls_hex2bin (const char * hex_data
, size_t hex_size
, uint8_t * bin_data
,
107 int _gnutls_hostname_compare (const char *certname
, size_t certnamesize
,
108 const char *hostname
, int level
);
113 #define BUFFER_APPEND(b, x, s) { \
114 ret = _gnutls_buffer_append_data(b, x, s); \
121 #define BUFFER_APPEND_PFX(b, x, s) { \
122 ret = _gnutls_buffer_append_data_prefix(b, 32, x, s); \
129 #define BUFFER_APPEND_NUM(b, s) { \
130 ret = _gnutls_buffer_append_prefix(b, 32, s); \
138 #define BUFFER_POP(b, x, s) { \
140 _gnutls_buffer_pop_data(b, x, &is); \
142 ret = GNUTLS_E_PARSING_ERROR; \
148 #define BUFFER_POP_DATUM(b, o) { \
150 ret = _gnutls_buffer_pop_datum_prefix(b, &d); \
152 ret = _gnutls_set_datum (o, d.data, d.size); \
159 #define BUFFER_POP_NUM(b, o) { \
161 ret = _gnutls_buffer_pop_prefix(b, &s, 0); \