summaryrefslogtreecommitdiff
path: root/src/identity/identity.h
blob: 2303bf214149098c7198fa100135be316a4f98ab (plain)
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
/*
     This file is part of GNUnet.
     Copyright (C) 2013 GNUnet e.V.

     GNUnet is free software: you can redistribute it and/or modify it
     under the terms of the GNU Affero General Public License as published
     by the Free Software Foundation, either version 3 of the License,
     or (at your option) any later version.

     GNUnet 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
     Affero General Public License for more details.

     You should have received a copy of the GNU Affero General Public License
     along with this program.  If not, see <http://www.gnu.org/licenses/>.

     SPDX-License-Identifier: AGPL3.0-or-later
 */

/**
 * @author Christian Grothoff
 * @file identity/identity.h
 *
 * @brief Common type definitions for the identity
 *        service and API.
 */
#ifndef IDENTITY_H
#define IDENTITY_H

#include "gnunet_common.h"


GNUNET_NETWORK_STRUCT_BEGIN


/**
 * Answer from service to client about last operation;
 * GET_DEFAULT maybe answered with this message on failure;
 * CREATE and RENAME will always be answered with this message.
 */
struct ResultCodeMessage
{
  /**
   * Type: #GNUNET_MESSAGE_TYPE_IDENTITY_RESULT_CODE
   */
  struct GNUNET_MessageHeader header;

  /**
   * Status code for the last operation, in NBO.
   * (currently not used).
   */
  uint32_t result_code GNUNET_PACKED;

  /* followed by 0-terminated error message (on error) */
};


/**
 * Client informs service about desire to lookup a (single) pseudonym.
 */
struct LookupMessage
{
  /**
   * Type: #GNUNET_MESSAGE_TYPE_IDENTITY_LOOKUP or
   * #GNUNET_MESSAGE_TYPE_IDENTITY_LOOKUP_BY_SUFFIX
   */
  struct GNUNET_MessageHeader header;

  /* followed by 0-terminated ego name */
};


/**
 * Service informs client about status of a pseudonym.
 */
struct UpdateMessage
{
  /**
   * Type: #GNUNET_MESSAGE_TYPE_IDENTITY_UPDATE
   */
  struct GNUNET_MessageHeader header;

  /**
   * Number of bytes in ego name string including 0-termination, in NBO;
   * 0 if the ego was deleted.
   */
  uint16_t name_len GNUNET_PACKED;

  /**
   * Usually #GNUNET_NO, #GNUNET_YES to signal end of list.
   */
  uint16_t end_of_list GNUNET_PACKED;

  /**
   * The private key
   */
  struct GNUNET_CRYPTO_EcdsaPrivateKey private_key;

  /* followed by 0-terminated ego name */
};


/**
 * Client requests knowledge about default identity for
 * a subsystem from identity service.
 */
struct GetDefaultMessage
{
  /**
   * Type: #GNUNET_MESSAGE_TYPE_IDENTITY_GET_DEFAULT
   */
  struct GNUNET_MessageHeader header;

  /**
   * Number of bytes in service name string including 0-termination, in NBO.
   */
  uint16_t name_len GNUNET_PACKED;

  /**
   * Always zero.
   */
  uint16_t reserved GNUNET_PACKED;


  /* followed by 0-terminated service name */
};


/**
 * Used from service to client as a result to the GET_DEFAULT
 * message, used from client to service to SET_DEFAULT.
 */
struct SetDefaultMessage
{
  /**
   * Type: #GNUNET_MESSAGE_TYPE_IDENTITY_SET_DEFAULT
   */
  struct GNUNET_MessageHeader header;

  /**
   * Number of bytes in service name string including 0-termination, in NBO.
   */
  uint16_t name_len GNUNET_PACKED;

  /**
   * Always zero.
   */
  uint16_t reserved GNUNET_PACKED;

  /**
   * The private key
   */
  struct GNUNET_CRYPTO_EcdsaPrivateKey private_key;

  /* followed by 0-terminated service name */
};


/**
 * Client requests creation of an identity.  Service
 * will respond with a result code.
 */
struct CreateRequestMessage
{
  /**
   * Type: #GNUNET_MESSAGE_TYPE_IDENTITY_CREATE
   */
  struct GNUNET_MessageHeader header;

  /**
   * Number of bytes in identity name string including 0-termination, in NBO.
   */
  uint16_t name_len GNUNET_PACKED;

  /**
   * Always zero.
   */
  uint16_t reserved GNUNET_PACKED;

  /**
   * The private key
   */
  struct GNUNET_CRYPTO_EcdsaPrivateKey private_key;

  /* followed by 0-terminated identity name */
};


/**
 * Client requests renaming of an identity.  Service
 * will respond with a result code.
 */
struct RenameMessage
{
  /**
   * Type: #GNUNET_MESSAGE_TYPE_IDENTITY_RENAME
   */
  struct GNUNET_MessageHeader header;

  /**
   * Number of characters in the old name including 0-termination, in NBO.
   */
  uint16_t old_name_len GNUNET_PACKED;

  /**
   * Number of characters in the new name including 0-termination, in NBO.
   */
  uint16_t new_name_len GNUNET_PACKED;

  /* followed by 0-terminated old name */
  /* followed by 0-terminated new name */
};


/**
 * Client requests deletion of an identity.  Service
 * will respond with a result code.
 */
struct DeleteMessage
{
  /**
   * Type: #GNUNET_MESSAGE_TYPE_IDENTITY_DELETE
   */
  struct GNUNET_MessageHeader header;

  /**
   * Number of characters in the name including 0-termination, in NBO.
   */
  uint16_t name_len GNUNET_PACKED;

  /**
   * Always zero.
   */
  uint16_t reserved GNUNET_PACKED;

  /* followed by 0-terminated name */
};

GNUNET_NETWORK_STRUCT_END

/**
 * Handle for an ego.
 */
struct GNUNET_IDENTITY_Ego
{
  /**
   * Private key associated with this ego.
   */
  struct GNUNET_CRYPTO_EcdsaPrivateKey pk;

  /**
   * Current name associated with this ego.
   */
  char *name;

  /**
   * Client context associated with this ego.
   */
  void *ctx;

  /**
   * Hash of the public key of this ego.
   */
  struct GNUNET_HashCode id;
};


#endif