GNUnet  0.17.6
json_generator.c
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1 /*
2  This file is part of GNUnet
3  Copyright (C) 2014, 2015, 2016 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  */
25 #include "platform.h"
26 #include "gnunet_util_lib.h"
27 #include "gnunet_json_lib.h"
28 
29 
30 json_t *
32  size_t size)
33 {
34  char *buf;
35  json_t *json;
36 
37  if ((size * 8 + 4) / 5 + 1 >=
39  {
40  GNUNET_break (0);
41  return NULL;
42  }
44  size);
45  json = json_string (buf);
46  GNUNET_free (buf);
47  GNUNET_break (NULL != json);
48  return json;
49 }
50 
51 
52 json_t *
54  size_t size)
55 {
56  char *buf = NULL;
57  json_t *json;
58  size_t len;
59 
60  if ((size * 8 + 5) / 6 + 1 >=
62  {
63  GNUNET_break (0);
64  return NULL;
65  }
67  size,
68  &buf);
69  if (NULL == buf)
70  {
71  GNUNET_break (0);
72  return NULL;
73  }
74  json = json_stringn (buf,
75  len);
76  GNUNET_free (buf);
77  GNUNET_break (NULL != json);
78  return json;
79 }
80 
81 
82 json_t *
84 {
85  json_t *j;
86 
87  j = json_object ();
88  if (NULL == j)
89  {
90  GNUNET_break (0);
91  return NULL;
92  }
94  {
95  if (0 !=
96  json_object_set_new (j,
97  "t_s",
98  json_string ("never")))
99  {
100  GNUNET_break (0);
101  json_decref (j);
102  return NULL;
103  }
104  return j;
105  }
106  GNUNET_assert (
107  0 ==
108  (stamp.abs_time.abs_value_us
109  % GNUNET_TIME_UNIT_SECONDS.rel_value_us));
110  if (0 !=
111  json_object_set_new (
112  j,
113  "t_s",
114  json_integer (
115  (json_int_t) (stamp.abs_time.abs_value_us
116  / GNUNET_TIME_UNIT_SECONDS.rel_value_us))))
117  {
118  GNUNET_break (0);
119  json_decref (j);
120  return NULL;
121  }
122  return j;
123 }
124 
125 
126 json_t *
128 {
130 }
131 
132 
133 json_t *
135 {
136  json_t *j;
137 
138  j = json_object ();
139  if (NULL == j)
140  {
141  GNUNET_break (0);
142  return NULL;
143  }
145  {
146  if (0 !=
147  json_object_set_new (j,
148  "d_us",
149  json_string ("forever")))
150  {
151  GNUNET_break (0);
152  json_decref (j);
153  return NULL;
154  }
155  return j;
156  }
157  if (stamp.rel_value_us >= (1LLU << 53))
158  {
159  /* value is larger than allowed */
160  GNUNET_break (0);
161  return NULL;
162  }
163  if (0 !=
164  json_object_set_new (
165  j,
166  "d_us",
167  json_integer ((json_int_t) stamp.rel_value_us)))
168  {
169  GNUNET_break (0);
170  json_decref (j);
171  return NULL;
172  }
173  return j;
174 }
175 
176 
177 json_t *
179 {
180  void *buf;
181  size_t buf_len;
182  json_t *ret;
183 
185  &buf);
187  buf_len);
188  GNUNET_free (buf);
189  return ret;
190 }
191 
192 
193 json_t *
195 {
196  void *buf;
197  size_t buf_len;
198  json_t *ret;
199 
200  buf_len = GNUNET_CRYPTO_rsa_signature_encode (sig,
201  &buf);
203  buf_len);
204  GNUNET_free (buf);
205  return ret;
206 }
207 
208 
209 /* End of json/json_generator.c */
static int ret
Return value of the commandline.
Definition: gnunet-abd.c:81
uint32_t data
The data value.
uint16_t len
length of data (which is always a uint32_t, but presumably this can be used to specify that fewer byt...
struct GNUNET_IDENTITY_PrivateKey pk
Private key from command line option, or NULL.
static char buf[2048]
functions to parse JSON objects into GNUnet objects
size_t GNUNET_CRYPTO_rsa_public_key_encode(const struct GNUNET_CRYPTO_RsaPublicKey *key, void **buffer)
Encode the public key in a format suitable for storing it into a file.
Definition: crypto_rsa.c:324
size_t GNUNET_CRYPTO_rsa_signature_encode(const struct GNUNET_CRYPTO_RsaSignature *sig, void **buffer)
Encode the given signature in a format suitable for storing it into a file.
Definition: crypto_rsa.c:998
#define GNUNET_assert(cond)
Use this for fatal errors that cannot be handled.
#define GNUNET_break(cond)
Use this for internal assertion violations that are not fatal (can be handled) but should not occur.
#define GNUNET_MAX_MALLOC_CHECKED
Maximum allocation with GNUNET_malloc macro.
#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
size_t GNUNET_STRINGS_base64_encode(const void *in, size_t len, char **output)
Encode into Base64.
Definition: strings.c:1608
#define GNUNET_TIME_UNIT_SECONDS
One second.
bool GNUNET_TIME_absolute_is_never(struct GNUNET_TIME_Absolute abs)
Test if abs is never.
Definition: time.c:647
bool GNUNET_TIME_relative_is_forever(struct GNUNET_TIME_Relative rel)
Test if rel is forever.
Definition: time.c:654
struct GNUNET_TIME_Timestamp GNUNET_TIME_timestamp_ntoh(struct GNUNET_TIME_TimestampNBO tn)
Convert timestamp from network byte order.
Definition: time.c:100
json_t * GNUNET_JSON_from_timestamp(struct GNUNET_TIME_Timestamp stamp)
Convert timestamp to a json string.
json_t * GNUNET_JSON_from_time_rel(struct GNUNET_TIME_Relative stamp)
Convert relative timestamp to a json string.
json_t * GNUNET_JSON_from_rsa_signature(const struct GNUNET_CRYPTO_RsaSignature *sig)
Convert RSA signature to JSON.
json_t * GNUNET_JSON_from_rsa_public_key(const struct GNUNET_CRYPTO_RsaPublicKey *pk)
Convert RSA public key to JSON.
json_t * GNUNET_JSON_from_data(const void *data, size_t size)
Convert binary data to a JSON string with the base32crockford encoding.
json_t * GNUNET_JSON_from_data64(const void *data, size_t size)
Convert binary data to a JSON string with base64 encoding.
json_t * GNUNET_JSON_from_timestamp_nbo(struct GNUNET_TIME_TimestampNBO stamp)
Convert timestamp to a json string.
static unsigned int size
Size of the "table".
Definition: peer.c:67
The public information of an RSA key pair.
Definition: crypto_rsa.c:52
an RSA signature
Definition: crypto_rsa.c:64
uint64_t abs_value_us
The actual value.
Time for relative time used by GNUnet, in microseconds.
uint64_t rel_value_us
The actual value.
Time for timestamps used by GNUnet, in seconds and in network byte order.
Rounded time for timestamps used by GNUnet, in seconds.
struct GNUNET_TIME_Absolute abs_time
The actual value.