/usr/include/libknot/yparser/yptrafo.h is in libknot-dev 2.6.5-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 | /* Copyright (C) 2017 CZ.NIC, z.s.p.o. <knot-dns@labs.nic.cz>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/*!
* \file
*
* \brief Value transformations for Yparser.
*
* \addtogroup yparser
* @{
*/
#pragma once
#include "libknot/yparser/ypschema.h"
struct knot_lookup;
/*!
* Transforms textual item value to binary form.
*
* \param[in] item Schema item to transform.
* \param[in] txt Value to transform.
* \param[in] txt_len Value length.
* \param[out] bin Output buffer.
* \param[in, out] bin_len Output buffer length, output length.
*
* \return Error code, KNOT_EOK if success.
*/
int yp_item_to_bin(
const yp_item_t *item,
const char *txt,
size_t txt_len,
uint8_t *bin,
size_t *bin_len
);
/*!
* Transforms binary item value to textual form.
*
* \param[in] item Schema item to transform.
* \param[in] bin Value to transform.
* \param[in] bin_len Value length.
* \param[out] txt Output buffer.
* \param[in, out] txt_len Output buffer length, output length.
* \param[in] style Value style.
*
* \return Error code, KNOT_EOK if success.
*/
int yp_item_to_txt(
const yp_item_t *item,
const uint8_t *bin,
size_t bin_len,
char *txt,
size_t *txt_len,
yp_style_t style
);
/*!
* Converts binary value to string pointer.
*
* \param[in] data Binary value to transform.
*
* \return String pointer.
*/
inline static const char* yp_str(
const uint8_t *data)
{
return (const char *)data;
}
/*!
* Converts binary value to boolean value.
*
* \param[in] data Binary value to transform.
*
* \return Boolean value.
*/
inline static bool yp_bool(
const uint8_t *data)
{
return (data[0] == 0) ? false : true;
}
/*!
* Converts binary value to integer value.
*
* \param[in] data Binary value to transform.
*
* \return Integer value.
*/
int64_t yp_int(
const uint8_t *data
);
/*!
* Converts binary value to address value.
*
* \param[in] data Binary value to transform.
*
* \return Address value.
*/
struct sockaddr_storage yp_addr_noport(
const uint8_t *data
);
/*!
* Converts binary value to address value with an optional port.
*
* \param[in] data Binary value to transform.
* \param[out] no_port No port indicator.
*
* \return Address value.
*/
struct sockaddr_storage yp_addr(
const uint8_t *data,
bool *no_port
);
/*!
* Converts binary value to option value.
*
* \param[in] data Binary value to transform.
*
* \return Unsigned value.
*/
inline static unsigned yp_opt(
const uint8_t *data)
{
return (unsigned)data[0];
}
/*!
* Converts binary value to dname pointer.
*
* \param[in] data Binary value to transform.
*
* \return Dname pointer.
*/
inline static const uint8_t* yp_dname(
const uint8_t *data)
{
return data;
}
/*!
* Converts binary value to data pointer.
*
* Applies to all data types with 2-byte length prefix (YP_THEX, YP_TB64).
*
* \param[in] data Binary value to transform.
*
* \return Data pointer.
*/
inline static const uint8_t* yp_bin(
const uint8_t *data)
{
return data + 2;
}
/*!
* Gets binary value length.
*
* Applies to all data types with 2-byte length prefix (YP_THEX, YP_TB64).
*
* \param[in] data Binary value to transform.
*
* \return Data length.
*/
const size_t yp_bin_len(
const uint8_t *data
);
/*!
* \brief Helper macros for conversion functions.
*/
#define YP_CHECK_CTX \
if (in->error != KNOT_EOK) { \
return in->error; \
} else if (out->error != KNOT_EOK) { \
return out->error; \
} \
#define YP_CHECK_STOP \
if (stop != NULL) { \
assert(stop <= in->position + wire_ctx_available(in)); \
} else { \
stop = in->position + wire_ctx_available(in); \
}
#define YP_LEN (stop - in->position)
#define YP_CHECK_PARAMS_BIN \
YP_CHECK_CTX YP_CHECK_STOP
#define YP_CHECK_PARAMS_TXT \
YP_CHECK_CTX
#define YP_CHECK_RET \
YP_CHECK_CTX return KNOT_EOK;
/*!
* \brief Conversion functions for basic types.
*/
int yp_str_to_bin(
YP_TXT_BIN_PARAMS
);
int yp_str_to_txt(
YP_BIN_TXT_PARAMS
);
int yp_bool_to_bin(
YP_TXT_BIN_PARAMS
);
int yp_bool_to_txt(
YP_BIN_TXT_PARAMS
);
int yp_int_to_bin(
YP_TXT_BIN_PARAMS,
int64_t min,
int64_t max,
yp_style_t style
);
int yp_int_to_txt(
YP_BIN_TXT_PARAMS,
yp_style_t style
);
int yp_addr_noport_to_bin(
YP_TXT_BIN_PARAMS,
bool allow_unix
);
int yp_addr_noport_to_txt(
YP_BIN_TXT_PARAMS
);
int yp_addr_to_bin(
YP_TXT_BIN_PARAMS
);
int yp_addr_to_txt(
YP_BIN_TXT_PARAMS
);
int yp_addr_range_to_bin(
YP_TXT_BIN_PARAMS
);
int yp_addr_range_to_txt(
YP_BIN_TXT_PARAMS
);
int yp_option_to_bin(
YP_TXT_BIN_PARAMS,
const struct knot_lookup *opts
);
int yp_option_to_txt(
YP_BIN_TXT_PARAMS,
const struct knot_lookup *opts
);
int yp_dname_to_bin(
YP_TXT_BIN_PARAMS
);
int yp_dname_to_txt(
YP_BIN_TXT_PARAMS
);
int yp_hex_to_bin(
YP_TXT_BIN_PARAMS
);
int yp_hex_to_txt(
YP_BIN_TXT_PARAMS
);
int yp_base64_to_bin(
YP_TXT_BIN_PARAMS
);
int yp_base64_to_txt(
YP_BIN_TXT_PARAMS
);
/*! @} */
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