GNUnet 0.21.0
plugin_gnsrecord_reclaim.c
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1/*
2 This file is part of GNUnet
3 Copyright (C) 2013, 2014 GNUnet e.V.
4
5 GNUnet is free software: you can redistribute it and/or modify it
6 under the terms of the GNU Affero General Public License as published
7 by the Free Software Foundation, either version 3 of the License,
8 or (at your option) any later version.
9
10 GNUnet is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Affero General Public License for more details.
14
15 You should have received a copy of the GNU Affero General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>.
17
18 SPDX-License-Identifier: AGPL3.0-or-later
19 */
20
26#include "platform.h"
27
28#include "gnunet_util_lib.h"
29
32
42static char *
43value_to_string (void *cls, uint32_t type, const void *data, size_t data_size)
44{
45 switch (type)
46 {
56
57 default:
58 return NULL;
59 }
60}
61
62
74static int
75string_to_value (void *cls, uint32_t type, const char *s, void **data,
76 size_t *data_size)
77{
78 if (NULL == s)
79 return GNUNET_SYSERR;
80 switch (type)
81 {
84 *data = GNUNET_strdup (s);
85 *data_size = strlen (s);
86 return GNUNET_OK;
92 return GNUNET_STRINGS_string_to_data (s, strlen (s), *data, *data_size);
93
94 default:
95 return GNUNET_SYSERR;
96 }
97}
98
99
104static struct
105{
106 const char *name;
107 uint32_t number;
108} name_map[] = {
109 { "RECLAIM_ATTRIBUTE", GNUNET_GNSRECORD_TYPE_RECLAIM_ATTRIBUTE },
110 { "RECLAIM_ATTRIBUTE_REF", GNUNET_GNSRECORD_TYPE_RECLAIM_ATTRIBUTE_REF },
111 { "RECLAIM_CREDENTIAL", GNUNET_GNSRECORD_TYPE_RECLAIM_CREDENTIAL },
112 { "RECLAIM_PRESENTATION", GNUNET_GNSRECORD_TYPE_RECLAIM_PRESENTATION },
113 { "RECLAIM_OIDC_CLIENT", GNUNET_GNSRECORD_TYPE_RECLAIM_OIDC_CLIENT },
114 { "RECLAIM_OIDC_REDIRECT", GNUNET_GNSRECORD_TYPE_RECLAIM_OIDC_REDIRECT },
115 { "RECLAIM_TICKET", GNUNET_GNSRECORD_TYPE_RECLAIM_TICKET },
116 { NULL, UINT32_MAX }
118
119
127static uint32_t
128typename_to_number (void *cls, const char *dns_typename)
129{
130 unsigned int i;
131
132 i = 0;
133 while ((NULL != name_map[i].name) &&
134 (0 != strcasecmp (dns_typename, name_map[i].name)))
135 i++;
136 return name_map[i].number;
137}
138
139
147static const char *
148number_to_typename (void *cls, uint32_t type)
149{
150 unsigned int i;
151
152 i = 0;
153 while ((NULL != name_map[i].name) && (type != name_map[i].number))
154 i++;
155 return name_map[i].name;
156}
157
158
165void *
167{
169
175 return api;
176}
177
178
185void *
187{
189
190 GNUNET_free (api);
191 return NULL;
192}
193
194
195/* end of plugin_gnsrecord_dns.c */
static char * data
The data to insert into the dht.
static uint32_t type
Type string converted to DNS type value.
static size_t data_size
Number of bytes in data.
API that can be used to manipulate GNS record data.
Plugin API for GNS record types.
@ GNUNET_OK
@ GNUNET_SYSERR
#define GNUNET_strdup(a)
Wrapper around GNUNET_xstrdup_.
#define GNUNET_strndup(a, length)
Wrapper around GNUNET_xstrndup_.
#define GNUNET_new(type)
Allocate a struct or union of the given type.
#define GNUNET_free(ptr)
Wrapper around free.
char * GNUNET_STRINGS_data_to_string_alloc(const void *buf, size_t size)
Return the base32crockford encoding of the given buffer.
Definition: strings.c:764
enum GNUNET_GenericReturnValue GNUNET_STRINGS_string_to_data(const char *enc, size_t enclen, void *out, size_t out_size)
Convert CrockfordBase32 encoding back to data.
Definition: strings.c:789
static uint32_t typename_to_number(void *cls, const char *dns_typename)
Convert a type name (e.g.
static const char * number_to_typename(void *cls, uint32_t type)
Convert a type number to the corresponding type string (e.g.
static struct @40 name_map[]
Mapping of record type numbers to human-readable record type names.
void * libgnunet_plugin_gnsrecord_reclaim_done(void *cls)
Exit point from the plugin.
static char * value_to_string(void *cls, uint32_t type, const void *data, size_t data_size)
Convert the 'value' of a record to a string.
void * libgnunet_plugin_gnsrecord_reclaim_init(void *cls)
Entry point for the plugin.
const char * name
static int string_to_value(void *cls, uint32_t type, const char *s, void **data, size_t *data_size)
Convert human-readable version of a 'value' of a record to the binary representation.
uint32_t number
#define GNUNET_GNSRECORD_TYPE_RECLAIM_ATTRIBUTE
identity attribute
#define GNUNET_GNSRECORD_TYPE_RECLAIM_PRESENTATION
Record type for a presentation of a credential.
#define GNUNET_GNSRECORD_TYPE_RECLAIM_ATTRIBUTE_REF
for reclaim records
#define GNUNET_GNSRECORD_TYPE_RECLAIM_OIDC_CLIENT
For reclaim OIDC client names.
#define GNUNET_GNSRECORD_TYPE_RECLAIM_CREDENTIAL
Record type for an attribute attestation (e.g.
#define GNUNET_GNSRECORD_TYPE_RECLAIM_OIDC_REDIRECT
Used reclaimID OIDC client redirect URIs.
#define GNUNET_GNSRECORD_TYPE_RECLAIM_TICKET
local ticket reference
Each plugin is required to return a pointer to a struct of this type as the return value from its ent...
GNUNET_GNSRECORD_TypenameToNumberFunction typename_to_number
Typename to number.
GNUNET_GNSRECORD_NumberToTypenameFunction number_to_typename
Number to typename.
GNUNET_GNSRECORD_ValueToStringFunction value_to_string
Conversion to string.
void * cls
Closure for all of the callbacks.
GNUNET_GNSRECORD_StringToValueFunction string_to_value
Conversion to binary.