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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 return GNUNET_strndup (data, data_size);
58 case GNUNET_GNSRECORD_TYPE_ABE_KEY:
59 case GNUNET_GNSRECORD_TYPE_ABE_MASTER:
60 return GNUNET_STRINGS_data_to_string_alloc (data, data_size);
61 case GNUNET_GNSRECORD_TYPE_ID_TOKEN_METADATA: //DEPRECATED
63 audience_pubkey = data+sizeof (struct GNUNET_CRYPTO_EcdhePrivateKey);
64 scopes = (char*) audience_pubkey+(sizeof (struct GNUNET_CRYPTO_EcdsaPublicKey));
65 ecdhe_str = GNUNET_STRINGS_data_to_string_alloc (ecdhe_privkey,
66 sizeof (struct GNUNET_CRYPTO_EcdhePrivateKey));
67 aud_str = GNUNET_STRINGS_data_to_string_alloc (audience_pubkey,
68 sizeof (struct GNUNET_CRYPTO_EcdsaPublicKey));
69 GNUNET_asprintf (&result,
71 ecdhe_str, aud_str, scopes);
72 GNUNET_free (aud_str);
73 GNUNET_free (ecdhe_str);
83 * Convert human-readable version of a 'value' of a record to the binary
86 * @param cls closure, unused
87 * @param type type of the record
88 * @param s human-readable string
89 * @param data set to value in binary encoding (will be allocated)
90 * @param data_size set to number of bytes in @a data
91 * @return #GNUNET_OK on success
94 string_to_value (void *cls,
107 return GNUNET_SYSERR;
110 case GNUNET_GNSRECORD_TYPE_ID_ATTR:
111 return GNUNET_STRINGS_string_to_data (s,
115 case GNUNET_GNSRECORD_TYPE_ID_TOKEN:
116 *data = GNUNET_strdup (s);
117 *data_size = strlen (s);
119 case GNUNET_GNSRECORD_TYPE_ABE_KEY:
120 case GNUNET_GNSRECORD_TYPE_ABE_MASTER:
121 return GNUNET_STRINGS_string_to_data (s,
125 case GNUNET_GNSRECORD_TYPE_ID_TOKEN_METADATA:
126 tmp_tok = GNUNET_strdup (s);
127 ecdhe_str = strtok (tmp_tok, ";");
128 if (NULL == ecdhe_str)
130 GNUNET_free (tmp_tok);
131 return GNUNET_SYSERR;
133 aud_keystr = strtok (NULL, ";");
134 if (NULL == aud_keystr)
136 GNUNET_free (tmp_tok);
137 return GNUNET_SYSERR;
139 str = strtok (NULL, ";");
142 GNUNET_free (tmp_tok);
143 return GNUNET_SYSERR;
145 *data_size = strlen (str) + 1
146 +sizeof (struct GNUNET_CRYPTO_EcdhePrivateKey)
147 +sizeof (struct GNUNET_CRYPTO_EcdsaPublicKey);
148 *data = GNUNET_malloc (*data_size);
151 GNUNET_STRINGS_string_to_data (ecdhe_str,
154 sizeof (struct GNUNET_CRYPTO_EcdhePrivateKey));
155 write_ptr += sizeof (struct GNUNET_CRYPTO_EcdhePrivateKey);
156 GNUNET_STRINGS_string_to_data (aud_keystr,
159 sizeof (struct GNUNET_CRYPTO_EcdsaPublicKey));
160 write_ptr += sizeof (struct GNUNET_CRYPTO_EcdsaPublicKey);
161 GNUNET_memcpy (write_ptr, str, strlen (str) + 1); //with 0-Terminator
162 GNUNET_free (tmp_tok);
166 return GNUNET_SYSERR;
172 * Mapping of record type numbers to human-readable
179 { "ID_ATTR", GNUNET_GNSRECORD_TYPE_ID_ATTR },
180 { "ID_TOKEN", GNUNET_GNSRECORD_TYPE_ID_TOKEN },
181 { "ABE_KEY", GNUNET_GNSRECORD_TYPE_ABE_KEY },
182 { "ABE_MASTER", GNUNET_GNSRECORD_TYPE_ABE_MASTER },
183 { "ID_TOKEN_METADATA", GNUNET_GNSRECORD_TYPE_ID_TOKEN_METADATA },
189 * Convert a type name (i.e. "AAAA") to the corresponding number.
191 * @param cls closure, unused
192 * @param dns_typename name to convert
193 * @return corresponding number, UINT32_MAX on error
196 typename_to_number (void *cls,
197 const char *dns_typename)
202 while ( (NULL != name_map[i].name) &&
203 (0 != strcasecmp (dns_typename, name_map[i].name)) )
205 return name_map[i].number;
210 * Convert a type number (i.e. 1) to the corresponding type string (i.e. "A")
212 * @param cls closure, unused
213 * @param type number of a type to convert
214 * @return corresponding typestring, NULL on error
217 number_to_typename (void *cls,
223 while ( (NULL != name_map[i].name) &&
224 (type != name_map[i].number) )
226 return name_map[i].name;
231 * Entry point for the plugin.
234 * @return the exported block API
237 libgnunet_plugin_gnsrecord_reclaim_init (void *cls)
239 struct GNUNET_GNSRECORD_PluginFunctions *api;
241 api = GNUNET_new (struct GNUNET_GNSRECORD_PluginFunctions);
242 api->value_to_string = &value_to_string;
243 api->string_to_value = &string_to_value;
244 api->typename_to_number = &typename_to_number;
245 api->number_to_typename = &number_to_typename;
251 * Exit point from the plugin.
253 * @param cls the return value from #libgnunet_plugin_block_test_init
257 libgnunet_plugin_gnsrecord_reclaim_done (void *cls)
259 struct GNUNET_GNSRECORD_PluginFunctions *api = cls;
265 /* end of plugin_gnsrecord_dns.c */