17#include "plugins_internal.h"
24# include <arpa/inet.h>
25# if defined (__FreeBSD__) || defined (__NetBSD__) || defined (__OpenBSD__)
26# include <netinet/in.h>
27# include <sys/socket.h>
50#define LYB_VALUE_LEN 17
52static void lyplg_type_free_ipv6_prefix(
const struct ly_ctx *ctx,
struct lyd_value *value);
65ipv6prefix_str2ip(
const char *value,
size_t value_len,
struct in6_addr *addr, uint8_t *prefix,
struct ly_err_item **err)
69 char *mask_str = NULL;
72 pref_str = ly_strnchr(value,
'/', value_len);
73 ly_strntou8(pref_str + 1, value_len - (pref_str + 1 - value), prefix);
76 mask_str = strndup(value, pref_str - value);
77 LY_CHECK_ERR_GOTO(!mask_str, ret =
LY_EMEM, cleanup);
80 if (inet_pton(AF_INET6, mask_str, addr) != 1) {
97ipv6prefix_zero_host(
struct in6_addr *addr, uint8_t prefix)
102 for (i = 0; i < 4; ++i) {
104 for (j = 0; j < 32; ++j) {
106 if (prefix > (i * 32) + j) {
111 ((uint32_t *)addr->s6_addr)[i] &= mask;
119lyplg_type_store_ipv6_prefix(
const struct ly_ctx *ctx,
const struct lysc_type *type,
const void *value,
size_t value_len,
120 uint32_t options,
LY_VALUE_FORMAT format,
void *UNUSED(prefix_data), uint32_t hints,
121 const struct lysc_node *UNUSED(ctx_node),
struct lyd_value *storage,
struct lys_glob_unres *UNUSED(unres),
129 memset(storage, 0,
sizeof *storage);
139 if (((uint8_t *)value)[16] > 128) {
141 ((uint8_t *)value)[16]);
147 storage->dyn_mem = (
void *)value;
148 options &= ~LYPLG_TYPE_STORE_DYNAMIC;
153 LY_CHECK_ERR_GOTO(!val, ret =
LY_EMEM, cleanup);
155 memcpy(val, value, value_len);
159 ipv6prefix_zero_host(&val->
addr, val->
prefix);
167 LY_CHECK_ERR_GOTO(!val, ret =
LY_EMEM, cleanup);
171 LY_CHECK_GOTO(ret, cleanup);
178 LY_CHECK_GOTO(ret, cleanup);
183 LY_CHECK_GOTO(ret, cleanup);
187 ret = ipv6prefix_str2ip(value, value_len, &val->
addr, &val->
prefix, err);
188 LY_CHECK_GOTO(ret, cleanup);
191 ipv6prefix_zero_host(&val->
addr, val->
prefix);
197 options &= ~LYPLG_TYPE_STORE_DYNAMIC;
198 LY_CHECK_GOTO(ret, cleanup);
200 ret =
lydict_insert(ctx, value_len ? value :
"", value_len, &storage->_canonical);
201 LY_CHECK_GOTO(ret, cleanup);
211 lyplg_type_free_ipv6_prefix(ctx, storage);
220lyplg_type_compare_ipv6_prefix(
const struct ly_ctx *UNUSED(ctx),
const struct lyd_value *val1,
228 if (memcmp(v1, v2,
sizeof *v1)) {
238lyplg_type_sort_ipv6_prefix(
const struct ly_ctx *UNUSED(ctx),
const struct lyd_value *val1,
246 return memcmp(v1, v2,
sizeof *v1);
254 void *UNUSED(prefix_data),
ly_bool *dynamic,
size_t *value_len)
272 ret = malloc(INET6_ADDRSTRLEN + 4);
273 LY_CHECK_RET(!ret, NULL);
276 if (!inet_ntop(AF_INET6, &val->
addr, ret, INET6_ADDRSTRLEN)) {
282 sprintf(ret + strlen(ret),
"/%" PRIu8, val->
prefix);
310 memset(dup, 0,
sizeof *dup);
313 LY_CHECK_GOTO(ret, error);
316 LY_CHECK_ERR_GOTO(!dup_val, ret =
LY_EMEM, error);
319 memcpy(dup_val, orig_val,
sizeof *orig_val);
325 lyplg_type_free_ipv6_prefix(ctx, dup);
333lyplg_type_free_ipv6_prefix(
const struct ly_ctx *ctx,
struct lyd_value *value)
352 .module =
"ietf-inet-types",
354 .name =
"ipv6-prefix",
356 .plugin.id =
"libyang 2 - ipv6-prefix, version 1",
357 .plugin.store = lyplg_type_store_ipv6_prefix,
358 .plugin.validate = NULL,
359 .plugin.compare = lyplg_type_compare_ipv6_prefix,
360 .plugin.sort = lyplg_type_sort_ipv6_prefix,
361 .plugin.print = lyplg_type_print_ipv6_prefix,
362 .plugin.duplicate = lyplg_type_dup_ipv6_prefix,
363 .plugin.free = lyplg_type_free_ipv6_prefix,
LIBYANG_API_DECL LY_ERR lydict_insert(const struct ly_ctx *ctx, const char *value, size_t len, const char **str_p)
Insert string into dictionary. If the string is already present, only a reference counter is incremen...
LIBYANG_API_DECL LY_ERR lydict_remove(const struct ly_ctx *ctx, const char *value)
Remove specified string from the dictionary. It decrement reference counter for the string and if it ...
LIBYANG_API_DECL LY_ERR lydict_insert_zc(const struct ly_ctx *ctx, char *value, const char **str_p)
Insert string into dictionary - zerocopy version. If the string is already present,...
LY_ERR
libyang's error codes returned by the libyang functions.
Libyang full error structure.
const char *const char * revision
#define LYPLG_TYPE_VAL_INLINE_PREPARE(storage, type_val)
Prepare value memory for storing a specific type value, may be allocated dynamically.
LIBYANG_API_DECL LY_ERR lyplg_type_validate_patterns(struct lysc_pattern **patterns, const char *str, size_t str_len, struct ly_err_item **err)
Data type validator for pattern-restricted string values.
#define LYPLG_TYPE_VAL_INLINE_DESTROY(type_val)
Destroy a prepared value.
LIBYANG_API_DECL LY_ERR lyplg_type_validate_range(LY_DATA_TYPE basetype, struct lysc_range *range, int64_t value, const char *strval, size_t strval_len, struct ly_err_item **err)
Data type validator for a range/length-restricted values.
#define LYPLG_TYPE_VAL_IS_DYN(type_val)
Check whether specific type value needs to be allocated dynamically.
LIBYANG_API_DECL LY_ERR lyplg_type_check_hints(uint32_t hints, const char *value, size_t value_len, LY_DATA_TYPE type, int *base, struct ly_err_item **err)
Check that the type is suitable for the parser's hints (if any) in the specified format.
LIBYANG_API_DECL LY_ERR ly_err_new(struct ly_err_item **err, LY_ERR ecode, LY_VECODE vecode, char *data_path, char *apptag, const char *err_format,...) _FORMAT_PRINTF(6
Create and fill error structure.
#define LYPLG_TYPE_STORE_DYNAMIC
#define LYPLG_TYPE_STORE_ONLY
struct lysc_pattern ** patterns
struct lysc_range * length
LY_VALUE_FORMAT
All kinds of supported value formats and prefix mappings to modules.
const struct lyplg_type_record plugins_ipv6_prefix[]
Plugin information for ipv6-prefix type implementation.
The main libyang public header.
uint8_t ly_bool
Type to indicate boolean value.
API for (user) types plugins.
const struct lysc_type * realtype
#define LYD_VALUE_GET(value, type_val)
Get the value in format specific to the type.
YANG data representation.
Special lyd_value structure for ietf-inet-types ipv6-prefix values.