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13 Affero General Public License for more details.
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16 along with this program. If not, see <http://www.gnu.org/licenses/>.
20 * @file reclaim/plugin_gnsrecord_reclaim.c
21 * @brief gnsrecord plugin to provide the API for identity records
22 * @author Martin Schanzenbach
25 #include "gnunet_util_lib.h"
26 #include "gnunet_gnsrecord_lib.h"
27 #include "gnunet_gnsrecord_plugin.h"
31 * Convert the 'value' of a record to a string.
33 * @param cls closure, unused
34 * @param type type of the record
35 * @param data value in binary encoding
36 * @param data_size number of bytes in @a data
37 * @return NULL on error, otherwise human-readable representation of the value
40 value_to_string (void *cls,
45 const struct GNUNET_CRYPTO_EcdhePrivateKey *ecdhe_privkey;
46 const struct GNUNET_CRYPTO_EcdsaPublicKey *audience_pubkey;
54 case GNUNET_GNSRECORD_TYPE_ID_ATTR:
55 return GNUNET_STRINGS_data_to_string_alloc (data, data_size);
56 case GNUNET_GNSRECORD_TYPE_ID_TOKEN: //DEPRECATED
57 case GNUNET_GNSRECORD_TYPE_RECLAIM_OIDC_REDIRECT:
58 case GNUNET_GNSRECORD_TYPE_RECLAIM_OIDC_CLIENT:
59 return GNUNET_strndup (data, data_size);
60 case GNUNET_GNSRECORD_TYPE_ABE_KEY:
61 case GNUNET_GNSRECORD_TYPE_ABE_MASTER:
62 return GNUNET_STRINGS_data_to_string_alloc (data, data_size);
63 case GNUNET_GNSRECORD_TYPE_ID_TOKEN_METADATA: //DEPRECATED
65 audience_pubkey = data+sizeof (struct GNUNET_CRYPTO_EcdhePrivateKey);
66 scopes = (char*) audience_pubkey+(sizeof (struct GNUNET_CRYPTO_EcdsaPublicKey));
67 ecdhe_str = GNUNET_STRINGS_data_to_string_alloc (ecdhe_privkey,
68 sizeof (struct GNUNET_CRYPTO_EcdhePrivateKey));
69 aud_str = GNUNET_STRINGS_data_to_string_alloc (audience_pubkey,
70 sizeof (struct GNUNET_CRYPTO_EcdsaPublicKey));
71 GNUNET_asprintf (&result,
73 ecdhe_str, aud_str, scopes);
74 GNUNET_free (aud_str);
75 GNUNET_free (ecdhe_str);
85 * Convert human-readable version of a 'value' of a record to the binary
88 * @param cls closure, unused
89 * @param type type of the record
90 * @param s human-readable string
91 * @param data set to value in binary encoding (will be allocated)
92 * @param data_size set to number of bytes in @a data
93 * @return #GNUNET_OK on success
96 string_to_value (void *cls,
109 return GNUNET_SYSERR;
112 case GNUNET_GNSRECORD_TYPE_ID_ATTR:
113 return GNUNET_STRINGS_string_to_data (s,
117 case GNUNET_GNSRECORD_TYPE_ID_TOKEN:
118 case GNUNET_GNSRECORD_TYPE_RECLAIM_OIDC_REDIRECT:
119 case GNUNET_GNSRECORD_TYPE_RECLAIM_OIDC_CLIENT:
120 *data = GNUNET_strdup (s);
121 *data_size = strlen (s);
123 case GNUNET_GNSRECORD_TYPE_ABE_KEY:
124 case GNUNET_GNSRECORD_TYPE_ABE_MASTER:
125 return GNUNET_STRINGS_string_to_data (s,
129 case GNUNET_GNSRECORD_TYPE_ID_TOKEN_METADATA:
130 tmp_tok = GNUNET_strdup (s);
131 ecdhe_str = strtok (tmp_tok, ";");
132 if (NULL == ecdhe_str)
134 GNUNET_free (tmp_tok);
135 return GNUNET_SYSERR;
137 aud_keystr = strtok (NULL, ";");
138 if (NULL == aud_keystr)
140 GNUNET_free (tmp_tok);
141 return GNUNET_SYSERR;
143 str = strtok (NULL, ";");
146 GNUNET_free (tmp_tok);
147 return GNUNET_SYSERR;
149 *data_size = strlen (str) + 1
150 +sizeof (struct GNUNET_CRYPTO_EcdhePrivateKey)
151 +sizeof (struct GNUNET_CRYPTO_EcdsaPublicKey);
152 *data = GNUNET_malloc (*data_size);
155 GNUNET_STRINGS_string_to_data (ecdhe_str,
158 sizeof (struct GNUNET_CRYPTO_EcdhePrivateKey));
159 write_ptr += sizeof (struct GNUNET_CRYPTO_EcdhePrivateKey);
160 GNUNET_STRINGS_string_to_data (aud_keystr,
163 sizeof (struct GNUNET_CRYPTO_EcdsaPublicKey));
164 write_ptr += sizeof (struct GNUNET_CRYPTO_EcdsaPublicKey);
165 GNUNET_memcpy (write_ptr, str, strlen (str) + 1); //with 0-Terminator
166 GNUNET_free (tmp_tok);
170 return GNUNET_SYSERR;
176 * Mapping of record type numbers to human-readable
183 { "ID_ATTR", GNUNET_GNSRECORD_TYPE_ID_ATTR },
184 { "ID_TOKEN", GNUNET_GNSRECORD_TYPE_ID_TOKEN },
185 { "ABE_KEY", GNUNET_GNSRECORD_TYPE_ABE_KEY },
186 { "ABE_MASTER", GNUNET_GNSRECORD_TYPE_ABE_MASTER },
187 { "ID_TOKEN_METADATA", GNUNET_GNSRECORD_TYPE_ID_TOKEN_METADATA },
188 { "RECLAIM_OIDC_CLIENT", GNUNET_GNSRECORD_TYPE_RECLAIM_OIDC_CLIENT },
189 { "RECLAIM_OIDC_REDIRECT", GNUNET_GNSRECORD_TYPE_RECLAIM_OIDC_REDIRECT },
195 * Convert a type name (i.e. "AAAA") to the corresponding number.
197 * @param cls closure, unused
198 * @param dns_typename name to convert
199 * @return corresponding number, UINT32_MAX on error
202 typename_to_number (void *cls,
203 const char *dns_typename)
208 while ( (NULL != name_map[i].name) &&
209 (0 != strcasecmp (dns_typename, name_map[i].name)) )
211 return name_map[i].number;
216 * Convert a type number (i.e. 1) to the corresponding type string (i.e. "A")
218 * @param cls closure, unused
219 * @param type number of a type to convert
220 * @return corresponding typestring, NULL on error
223 number_to_typename (void *cls,
229 while ( (NULL != name_map[i].name) &&
230 (type != name_map[i].number) )
232 return name_map[i].name;
237 * Entry point for the plugin.
240 * @return the exported block API
243 libgnunet_plugin_gnsrecord_reclaim_init (void *cls)
245 struct GNUNET_GNSRECORD_PluginFunctions *api;
247 api = GNUNET_new (struct GNUNET_GNSRECORD_PluginFunctions);
248 api->value_to_string = &value_to_string;
249 api->string_to_value = &string_to_value;
250 api->typename_to_number = &typename_to_number;
251 api->number_to_typename = &number_to_typename;
257 * Exit point from the plugin.
259 * @param cls the return value from #libgnunet_plugin_block_test_init
263 libgnunet_plugin_gnsrecord_reclaim_done (void *cls)
265 struct GNUNET_GNSRECORD_PluginFunctions *api = cls;
271 /* end of plugin_gnsrecord_dns.c */