diff options
Diffstat (limited to 'lib/str.h')
| -rw-r--r-- | lib/str.h | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/lib/str.h b/lib/str.h new file mode 100644 index 0000000000..c723e1457a --- /dev/null +++ b/lib/str.h @@ -0,0 +1,221 @@ +/* + * Copyright (C) 2000-2012 Free Software Foundation, Inc. + * + * Author: Nikos Mavrogiannopoulos + * + * This file is part of GnuTLS. + * + * The GnuTLS 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 <http://www.gnu.org/licenses/> + * + */ + +#ifndef GNUTLS_STR_H +#define GNUTLS_STR_H + +#include <config.h> +#include "gnutls_int.h" +#include <datum.h> + +#ifdef HAVE_DCGETTEXT +# include "gettext.h" +# define _(String) dgettext (PACKAGE, String) +# define N_(String) gettext_noop (String) +#else +# define _(String) String +# define N_(String) String +#endif + +void _gnutls_str_cpy(char *dest, size_t dest_tot_size, const char *src); +void _gnutls_mem_cpy(char *dest, size_t dest_tot_size, const char *src, + size_t src_size); +void _gnutls_str_cat(char *dest, size_t dest_tot_size, const char *src); + +typedef struct gnutls_buffer_st { + uint8_t *allocd; /* pointer to allocated data */ + uint8_t *data; /* API: pointer to data to copy from */ + size_t max_length; + size_t length; /* API: current length */ +} gnutls_buffer_st; + +/* Initialize a buffer */ +void _gnutls_buffer_init(gnutls_buffer_st *); + +/* Free the data in a buffer */ +void _gnutls_buffer_clear(gnutls_buffer_st *); + +/* Set the buffer data to be of zero length */ +inline static void _gnutls_buffer_reset(gnutls_buffer_st * buf) +{ + buf->data = buf->allocd; + buf->length = 0; +} + +int _gnutls_buffer_resize(gnutls_buffer_st *, size_t new_size); + +int _gnutls_buffer_append_str(gnutls_buffer_st *, const char *str); + +#define _gnutls_buffer_append_data gnutls_buffer_append_data + +#include <num.h> + +void _gnutls_buffer_replace_data(gnutls_buffer_st * buf, + gnutls_datum_t * data); + +int _gnutls_buffer_append_prefix(gnutls_buffer_st * buf, int pfx_size, + size_t data_size); + +int _gnutls_buffer_append_mpi(gnutls_buffer_st * buf, int pfx_size, + bigint_t, int lz); + +int _gnutls_buffer_append_data_prefix(gnutls_buffer_st * buf, int pfx_size, + const void *data, size_t data_size); +void _gnutls_buffer_pop_data(gnutls_buffer_st *, void *, size_t * size); +void _gnutls_buffer_pop_datum(gnutls_buffer_st *, gnutls_datum_t *, + size_t max_size); + +int _gnutls_buffer_pop_prefix(gnutls_buffer_st * buf, size_t * data_size, + int check); + +int _gnutls_buffer_pop_data_prefix(gnutls_buffer_st * buf, void *data, + size_t * data_size); + +int _gnutls_buffer_pop_datum_prefix(gnutls_buffer_st * buf, + gnutls_datum_t * data); +int _gnutls_buffer_to_datum(gnutls_buffer_st * str, gnutls_datum_t * data, unsigned is_str); + +int +_gnutls_buffer_append_escape(gnutls_buffer_st * dest, const void *data, + size_t data_size, const char *invalid_chars); +int _gnutls_buffer_unescape(gnutls_buffer_st * dest); + +#ifndef __attribute__ +/* This feature is available in gcc versions 2.5 and later. */ +#if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) +#define __attribute__(Spec) /* empty */ +#endif +#endif + +int _gnutls_buffer_append_printf(gnutls_buffer_st * dest, const char *fmt, + ...) + __attribute__ ((format(printf, 2, 3))); + +void _gnutls_buffer_hexprint(gnutls_buffer_st * str, + const void *data, size_t len); +void _gnutls_buffer_hexdump(gnutls_buffer_st * str, const void *data, + size_t len, const char *spc); +void _gnutls_buffer_asciiprint(gnutls_buffer_st * str, + const char *data, size_t len); + +char *_gnutls_bin2hex(const void *old, size_t oldlen, char *buffer, + size_t buffer_size, const char *separator); +int _gnutls_hex2bin(const char *hex_data, size_t hex_size, + uint8_t * bin_data, size_t * bin_size); + +int _gnutls_hostname_compare(const char *certname, size_t certnamesize, + const char *hostname, unsigned vflags); + +#define MAX_CN 256 +#define MAX_DN 1024 + +#define BUFFER_APPEND(b, x, s) { \ + ret = _gnutls_buffer_append_data(b, x, s); \ + if (ret < 0) { \ + gnutls_assert(); \ + return ret; \ + } \ + } + +/* append data prefixed with 4-bytes length field*/ +#define BUFFER_APPEND_PFX4(b, x, s) { \ + ret = _gnutls_buffer_append_data_prefix(b, 32, x, s); \ + if (ret < 0) { \ + gnutls_assert(); \ + return ret; \ + } \ + } + +#define BUFFER_APPEND_PFX3(b, x, s) { \ + ret = _gnutls_buffer_append_data_prefix(b, 24, x, s); \ + if (ret < 0) { \ + gnutls_assert(); \ + return ret; \ + } \ + } + +#define BUFFER_APPEND_PFX2(b, x, s) { \ + ret = _gnutls_buffer_append_data_prefix(b, 16, x, s); \ + if (ret < 0) { \ + gnutls_assert(); \ + return ret; \ + } \ + } + +#define BUFFER_APPEND_PFX1(b, x, s) { \ + ret = _gnutls_buffer_append_data_prefix(b, 8, x, s); \ + if (ret < 0) { \ + gnutls_assert(); \ + return ret; \ + } \ + } + +#define BUFFER_APPEND_NUM(b, s) { \ + ret = _gnutls_buffer_append_prefix(b, 32, s); \ + if (ret < 0) { \ + gnutls_assert(); \ + return ret; \ + } \ + } + +#define BUFFER_POP(b, x, s) { \ + size_t is = s; \ + _gnutls_buffer_pop_data(b, x, &is); \ + if (is != s) { \ + ret = GNUTLS_E_PARSING_ERROR; \ + gnutls_assert(); \ + goto error; \ + } \ + } + +#define BUFFER_POP_DATUM(b, o) { \ + gnutls_datum_t d; \ + ret = _gnutls_buffer_pop_datum_prefix(b, &d); \ + if (ret >= 0) \ + ret = _gnutls_set_datum (o, d.data, d.size); \ + if (ret < 0) { \ + gnutls_assert(); \ + goto error; \ + } \ + } + +#define BUFFER_POP_NUM(b, o) { \ + size_t s; \ + ret = _gnutls_buffer_pop_prefix(b, &s, 0); \ + if (ret < 0) { \ + gnutls_assert(); \ + goto error; \ + } \ + o = s; \ + } + +#define BUFFER_POP_CAST_NUM(b, o) { \ + size_t s; \ + ret = _gnutls_buffer_pop_prefix(b, &s, 0); \ + if (ret < 0) { \ + gnutls_assert(); \ + goto error; \ + } \ + o = (void *) (intptr_t)(s); \ + } + +#endif |