GNUnet  0.19.5
my_result_helper.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  */
26 #include "platform.h"
27 #include "gnunet_util_lib.h"
28 #include "gnunet_mysql_compat.h"
29 #include "gnunet_my_lib.h"
30 
31 
44 static int
45 pre_extract_varsize_blob (void *cls,
46  struct GNUNET_MY_ResultSpec *rs,
47  MYSQL_STMT *stmt,
48  unsigned int column,
49  MYSQL_BIND *results)
50 {
51  results[0].buffer = NULL;
52  results[0].buffer_length = 0;
53  results[0].length = &rs->mysql_bind_output_length;
54  results[0].is_null = &rs->is_null;
55  rs->is_null = 0;
56 
57  return GNUNET_OK;
58 }
59 
60 
73 static int
74 post_extract_varsize_blob (void *cls,
75  struct GNUNET_MY_ResultSpec *rs,
76  MYSQL_STMT *stmt,
77  unsigned int column,
78  MYSQL_BIND *results)
79 {
80  void *buf;
81  size_t size;
82 
83  if (*results->is_null)
84  return GNUNET_SYSERR;
85  size = (size_t) rs->mysql_bind_output_length;
86 
87  if (rs->mysql_bind_output_length != size)
88  return GNUNET_SYSERR; /* 'unsigned long' does not fit in size_t!? */
89 
90  buf = GNUNET_malloc (size);
91 
92  results[0].buffer = buf;
93  results[0].buffer_length = size;
94  results[0].buffer_type = MYSQL_TYPE_BLOB;
95 
96  if (0 !=
97  mysql_stmt_fetch_column (stmt,
98  results,
99  column,
100  0))
101  {
102  GNUNET_free (buf);
103  return GNUNET_SYSERR;
104  }
105 
106  *(void **) rs->dst = buf;
107  *rs->result_size = size;
108 
109  return GNUNET_OK;
110 }
111 
112 
119 static void
120 cleanup_varsize_blob (void *cls,
121  struct GNUNET_MY_ResultSpec *rs)
122 {
123  void **ptr = (void **) rs->dst;
124 
125  if (NULL != *ptr)
126  {
127  GNUNET_free (*ptr);
128  *ptr = NULL;
129  }
130 }
131 
132 
133 struct GNUNET_MY_ResultSpec
134 GNUNET_MY_result_spec_variable_size (void **dst,
135  size_t *ptr_size)
136 {
137  struct GNUNET_MY_ResultSpec res = {
138  .pre_conv = &pre_extract_varsize_blob,
139  .post_conv = &post_extract_varsize_blob,
140  .cleaner = &cleanup_varsize_blob,
141  .dst = (void *) (dst),
142  .result_size = ptr_size,
143  .num_fields = 1
144  };
145 
146  return res;
147 }
148 
149 
162 static int
163 pre_extract_fixed_blob (void *cls,
164  struct GNUNET_MY_ResultSpec *rs,
165  MYSQL_STMT *stmt,
166  unsigned int column,
167  MYSQL_BIND *results)
168 {
169  results[0].buffer = rs->dst;
170  results[0].buffer_length = rs->dst_size;
171  results[0].length = &rs->mysql_bind_output_length;
172  results[0].buffer_type = MYSQL_TYPE_BLOB;
173  results[0].is_null = &rs->is_null;
174  rs->is_null = 0;
175 
176  return GNUNET_OK;
177 }
178 
179 
193 static int
194 post_extract_fixed_blob (void *cls,
195  struct GNUNET_MY_ResultSpec *rs,
196  MYSQL_STMT *stmt,
197  unsigned int column,
198  MYSQL_BIND *results)
199 {
200  if (*results->is_null)
201  return GNUNET_SYSERR;
202  if (rs->dst_size != rs->mysql_bind_output_length)
203  return GNUNET_SYSERR;
204  return GNUNET_OK;
205 }
206 
207 
216 struct GNUNET_MY_ResultSpec
217 GNUNET_MY_result_spec_fixed_size (void *ptr,
218  size_t ptr_size)
219 {
220  struct GNUNET_MY_ResultSpec res = {
221  .pre_conv = &pre_extract_fixed_blob,
222  .post_conv = &post_extract_fixed_blob,
223  .cleaner = NULL,
224  .dst = (void *) (ptr),
225  .dst_size = ptr_size,
226  .num_fields = 1
227  };
228 
229  return res;
230 }
231 
232 
245 static int
246 pre_extract_rsa_public_key (void *cls,
247  struct GNUNET_MY_ResultSpec *rs,
248  MYSQL_STMT *stmt,
249  unsigned int column,
250  MYSQL_BIND *results)
251 {
252  results[0].buffer = NULL;
253  results[0].buffer_length = 0;
254  results[0].length = &rs->mysql_bind_output_length;
255  results[0].buffer_type = MYSQL_TYPE_BLOB;
256  results[0].is_null = &rs->is_null;
257  rs->is_null = 0;
258 
259  return GNUNET_OK;
260 }
261 
262 
276 static int
277 post_extract_rsa_public_key (void *cls,
278  struct GNUNET_MY_ResultSpec *rs,
279  MYSQL_STMT *stmt,
280  unsigned int column,
281  MYSQL_BIND *results)
282 
283 {
284  struct GNUNET_CRYPTO_RsaPublicKey **pk = rs->dst;
285  void *buf;
286  size_t size;
287 
288  if (*results->is_null)
289  return GNUNET_SYSERR;
290  size = (size_t) rs->mysql_bind_output_length;
291 
292  if (rs->mysql_bind_output_length != size)
293  return GNUNET_SYSERR; /* 'unsigned long' does not fit in size_t!? */
294  buf = GNUNET_malloc (size);
295 
296  results[0].buffer = buf;
297  results[0].buffer_length = size;
298  results[0].buffer_type = MYSQL_TYPE_BLOB;
299  if (0 !=
300  mysql_stmt_fetch_column (stmt,
301  results,
302  column,
303  0))
304  {
305  GNUNET_free (buf);
306  return GNUNET_SYSERR;
307  }
308 
309  *pk = GNUNET_CRYPTO_rsa_public_key_decode (buf,
310  size);
311  GNUNET_free (buf);
312  if (NULL == *pk)
313  {
314  GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
315  "Results contains bogus public key value (fail to decode)\n");
316  return GNUNET_SYSERR;
317  }
318 
319  return GNUNET_OK;
320 }
321 
322 
330 static void
331 clean_rsa_public_key (void *cls,
332  struct GNUNET_MY_ResultSpec *rs)
333 {
334  struct GNUNET_CRYPTO_RsaPublicKey **pk = rs->dst;
335 
336  if (NULL != *pk)
337  {
338  GNUNET_CRYPTO_rsa_public_key_free (*pk);
339  *pk = NULL;
340  }
341 }
342 
343 
351 struct GNUNET_MY_ResultSpec
352 GNUNET_MY_result_spec_rsa_public_key (struct GNUNET_CRYPTO_RsaPublicKey **rsa)
353 {
354  struct GNUNET_MY_ResultSpec res = {
355  .pre_conv = &pre_extract_rsa_public_key,
356  .post_conv = &post_extract_rsa_public_key,
357  .cleaner = &clean_rsa_public_key,
358  .dst = (void *) rsa,
359  .dst_size = 0,
360  .num_fields = 1
361  };
362 
363  return res;
364 }
365 
366 
379 static int
380 pre_extract_rsa_signature (void *cls,
381  struct GNUNET_MY_ResultSpec *rs,
382  MYSQL_STMT *stmt,
383  unsigned int column,
384  MYSQL_BIND *results)
385 {
386  results[0].buffer = 0;
387  results[0].buffer_length = 0;
388  results[0].length = &rs->mysql_bind_output_length;
389  results[0].buffer_type = MYSQL_TYPE_BLOB;
390  results[0].is_null = &rs->is_null;
391  rs->is_null = 0;
392 
393  return GNUNET_OK;
394 }
395 
396 
409 static int
410 post_extract_rsa_signature (void *cls,
411  struct GNUNET_MY_ResultSpec *rs,
412  MYSQL_STMT *stmt,
413  unsigned int column,
414  MYSQL_BIND *results)
415 {
416  struct GNUNET_CRYPTO_RsaSignature **sig = rs->dst;
417  void *buf;
418  size_t size;
419 
420  if (*results->is_null)
421  return GNUNET_SYSERR;
422  size = (size_t) rs->mysql_bind_output_length;
423 
424  if (rs->mysql_bind_output_length != size)
425  return GNUNET_SYSERR; /* 'unsigned long' does not fit in size_t!? */
426  buf = GNUNET_malloc (size);
427 
428  results[0].buffer = buf;
429  results[0].buffer_length = size;
430  results[0].buffer_type = MYSQL_TYPE_BLOB;
431  if (0 !=
432  mysql_stmt_fetch_column (stmt,
433  results,
434  column,
435  0))
436  {
437  GNUNET_free (buf);
438  return GNUNET_SYSERR;
439  }
440 
441  *sig = GNUNET_CRYPTO_rsa_signature_decode (buf,
442  size);
443  GNUNET_free (buf);
444  if (NULL == *sig)
445  {
446  GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
447  "Resuls contains bogus signature value (fails to decode)\n");
448  return GNUNET_SYSERR;
449  }
450  return GNUNET_OK;
451 }
452 
453 
461 static void
462 clean_rsa_signature (void *cls,
463  struct GNUNET_MY_ResultSpec *rs)
464 {
465  struct GNUNET_CRYPTO_RsaSignature **sig = rs->dst;
466 
467  if (NULL != *sig)
468  {
469  GNUNET_CRYPTO_rsa_signature_free (*sig);
470  *sig = NULL;
471  }
472 }
473 
474 
481 struct GNUNET_MY_ResultSpec
482 GNUNET_MY_result_spec_rsa_signature (struct GNUNET_CRYPTO_RsaSignature **sig)
483 {
484  struct GNUNET_MY_ResultSpec res = {
485  .pre_conv = &pre_extract_rsa_signature,
486  .post_conv = &post_extract_rsa_signature,
487  .cleaner = &clean_rsa_signature,
488  .dst = (void *) sig,
489  .dst_size = 0,
490  .num_fields = 1
491  };
492 
493  return res;
494 }
495 
496 
509 static int
510 pre_extract_string (void *cls,
511  struct GNUNET_MY_ResultSpec *rs,
512  MYSQL_STMT *stmt,
513  unsigned int column,
514  MYSQL_BIND *results)
515 {
516  results[0].buffer = NULL;
517  results[0].buffer_length = 0;
518  results[0].length = &rs->mysql_bind_output_length;
519  results[0].buffer_type = MYSQL_TYPE_BLOB;
520  results[0].is_null = &rs->is_null;
521  rs->is_null = 0;
522 
523  return GNUNET_OK;
524 }
525 
526 
539 static int
540 post_extract_string (void *cls,
541  struct GNUNET_MY_ResultSpec *rs,
542  MYSQL_STMT *stmt,
543  unsigned int column,
544  MYSQL_BIND *results)
545 {
546  size_t size = (size_t) rs->mysql_bind_output_length;
547  char *buf;
548 
549  if (rs->mysql_bind_output_length != size)
550  return GNUNET_SYSERR;
551  if (*results->is_null)
552  {
553  *(void **) rs->dst = NULL;
554  return GNUNET_OK;
555  }
556 
557  buf = GNUNET_malloc (size);
558  results[0].buffer = buf;
559  results[0].buffer_length = size;
560  results[0].buffer_type = MYSQL_TYPE_BLOB;
561 
562  if (0 !=
563  mysql_stmt_fetch_column (stmt,
564  results,
565  column,
566  0))
567  {
568  GNUNET_free (buf);
569  return GNUNET_SYSERR;
570  }
571  buf[size] = '\0';
572  *(void **) rs->dst = buf;
573  return GNUNET_OK;
574 }
575 
576 
583 struct GNUNET_MY_ResultSpec
584 GNUNET_MY_result_spec_string (char **dst)
585 {
586  struct GNUNET_MY_ResultSpec res = {
587  .pre_conv = &pre_extract_string,
588  .post_conv = &post_extract_string,
589  .cleaner = NULL,
590  .dst = (void *) dst,
591  .dst_size = 0,
592  .num_fields = 1
593  };
594 
595  return res;
596 }
597 
598 
606 struct GNUNET_MY_ResultSpec
607 GNUNET_MY_result_spec_absolute_time (struct GNUNET_TIME_Absolute *at)
608 {
609  return GNUNET_MY_result_spec_uint64 (&at->abs_value_us);
610 }
611 
612 
619 struct GNUNET_MY_ResultSpec
620 GNUNET_MY_result_spec_absolute_time_nbo (struct GNUNET_TIME_AbsoluteNBO *at)
621 {
622  struct GNUNET_MY_ResultSpec res =
623  GNUNET_MY_result_spec_auto_from_type (&at->abs_value_us__);
624 
625  return res;
626 }
627 
628 
641 static int
642 pre_extract_uint16 (void *cls,
643  struct GNUNET_MY_ResultSpec *rs,
644  MYSQL_STMT *stmt,
645  unsigned int column,
646  MYSQL_BIND *results)
647 {
648  results[0].buffer = rs->dst;
649  results[0].buffer_length = rs->dst_size;
650  results[0].length = &rs->mysql_bind_output_length;
651  results[0].buffer_type = MYSQL_TYPE_SHORT;
652  results[0].is_null = &rs->is_null;
653  rs->is_null = 0;
654 
655  return GNUNET_OK;
656 }
657 
658 
671 static int
672 post_extract_uint16 (void *cls,
673  struct GNUNET_MY_ResultSpec *rs,
674  MYSQL_STMT *stmt,
675  unsigned int column,
676  MYSQL_BIND *results)
677 {
678  if (rs->dst_size != rs->mysql_bind_output_length)
679  return GNUNET_SYSERR;
680  if (*results->is_null)
681  return GNUNET_SYSERR;
682  return GNUNET_OK;
683 }
684 
685 
692 struct GNUNET_MY_ResultSpec
693 GNUNET_MY_result_spec_uint16 (uint16_t *u16)
694 {
695  struct GNUNET_MY_ResultSpec res = {
696  .pre_conv = &pre_extract_uint16,
697  .post_conv = &post_extract_uint16,
698  .cleaner = NULL,
699  .dst = (void *) u16,
700  .dst_size = sizeof(*u16),
701  .num_fields = 1
702  };
703 
704  return res;
705 }
706 
707 
720 static int
721 pre_extract_uint32 (void *cls,
722  struct GNUNET_MY_ResultSpec *rs,
723  MYSQL_STMT *stmt,
724  unsigned int column,
725  MYSQL_BIND *results)
726 {
727  results[0].buffer = rs->dst;
728  results[0].buffer_length = rs->dst_size;
729  results[0].length = &rs->mysql_bind_output_length;
730  results[0].buffer_type = MYSQL_TYPE_LONG;
731  results[0].is_null = &rs->is_null;
732  rs->is_null = 0;
733 
734  return GNUNET_OK;
735 }
736 
737 
750 static int
751 post_extract_uint32 (void *cls,
752  struct GNUNET_MY_ResultSpec *rs,
753  MYSQL_STMT *stmt,
754  unsigned int column,
755  MYSQL_BIND *results)
756 {
757  if (rs->dst_size != rs->mysql_bind_output_length)
758  return GNUNET_SYSERR;
759  if (*results->is_null)
760  return GNUNET_SYSERR;
761  return GNUNET_OK;
762 }
763 
764 
771 struct GNUNET_MY_ResultSpec
772 GNUNET_MY_result_spec_uint32 (uint32_t *u32)
773 {
774  struct GNUNET_MY_ResultSpec res = {
775  .pre_conv = &pre_extract_uint32,
776  .post_conv = &post_extract_uint32,
777  .cleaner = NULL,
778  .dst = (void *) u32,
779  .dst_size = sizeof(*u32),
780  .num_fields = 1
781  };
782 
783  return res;
784 }
785 
786 
799 static int
800 pre_extract_uint64 (void *cls,
801  struct GNUNET_MY_ResultSpec *rs,
802  MYSQL_STMT *stmt,
803  unsigned int column,
804  MYSQL_BIND *results)
805 {
806  if (sizeof(uint64_t) != rs->dst_size)
807  return GNUNET_SYSERR;
808  results[0].buffer = rs->dst;
809  results[0].buffer_length = rs->dst_size;
810  results[0].length = &rs->mysql_bind_output_length;
811  results[0].buffer_type = MYSQL_TYPE_LONGLONG;
812  results[0].is_null = &rs->is_null;
813  rs->is_null = 0;
814 
815  return GNUNET_OK;
816 }
817 
818 
831 static int
832 post_extract_uint64 (void *cls,
833  struct GNUNET_MY_ResultSpec *rs,
834  MYSQL_STMT *stmt,
835  unsigned int column,
836  MYSQL_BIND *results)
837 {
838  if (sizeof(uint64_t) != rs->dst_size)
839  return GNUNET_SYSERR;
840  if (*results->is_null)
841  return GNUNET_SYSERR;
842  return GNUNET_OK;
843 }
844 
845 
852 struct GNUNET_MY_ResultSpec
853 GNUNET_MY_result_spec_uint64 (uint64_t *u64)
854 {
855  struct GNUNET_MY_ResultSpec res = {
856  .pre_conv = &pre_extract_uint64,
857  .post_conv = &post_extract_uint64,
858  .cleaner = NULL,
859  .dst = (void *) u64,
860  .dst_size = sizeof(*u64),
861  .num_fields = 1
862  };
863 
864  return res;
865 }
866 
867 
868 /* end of my_result_helper.c */
res
static int res
Definition: gnunet-ats-solver-eval.c:85
pk
struct GNUNET_IDENTITY_PrivateKey pk
Private key from command line option, or NULL.
Definition: gnunet-identity.c:126
results
static unsigned int results
Definition: gnunet-search.c:108
buf
static char buf[2048]
Definition: gnunet-service-testbed_meminfo.c:64
gnunet_my_lib.h
Helper library to access a MySQL database.
gnunet_mysql_compat.h
gnunet_util_lib.h
GNUNET_CRYPTO_rsa_signature_decode
struct GNUNET_CRYPTO_RsaSignature * GNUNET_CRYPTO_rsa_signature_decode(const void *buf, size_t buf_size)
Decode the signature from the data-format back to the "normal", internal format.
Definition: crypto_rsa.c:1039
GNUNET_log
#define GNUNET_log(kind,...)
Definition: gnunet_common.h:568
GNUNET_CRYPTO_rsa_signature_free
void GNUNET_CRYPTO_rsa_signature_free(struct GNUNET_CRYPTO_RsaSignature *sig)
Free memory occupied by signature.
Definition: crypto_rsa.c:991
GNUNET_CRYPTO_rsa_public_key_free
void GNUNET_CRYPTO_rsa_public_key_free(struct GNUNET_CRYPTO_RsaPublicKey *key)
Free memory occupied by the public key.
Definition: crypto_rsa.c:268
GNUNET_CRYPTO_rsa_public_key_decode
struct GNUNET_CRYPTO_RsaPublicKey * GNUNET_CRYPTO_rsa_public_key_decode(const char *buf, size_t len)
Decode the public key from the data-format back to the "normal", internal format.
Definition: crypto_rsa.c:423
GNUNET_OK
@ GNUNET_OK
Definition: gnunet_common.h:109
GNUNET_SYSERR
@ GNUNET_SYSERR
Definition: gnunet_common.h:107
GNUNET_ERROR_TYPE_ERROR
@ GNUNET_ERROR_TYPE_ERROR
Definition: gnunet_common.h:437
GNUNET_malloc
#define GNUNET_malloc(size)
Wrapper around malloc.
Definition: gnunet_common.h:1352
GNUNET_free
#define GNUNET_free(ptr)
Wrapper around free.
Definition: gnunet_common.h:1412
GNUNET_MY_result_spec_absolute_time_nbo
struct GNUNET_MY_ResultSpec GNUNET_MY_result_spec_absolute_time_nbo(struct GNUNET_TIME_AbsoluteNBO *at)
Absolute time in network byte order expected.
Definition: my_result_helper.c:620
GNUNET_MY_result_spec_uint16
struct GNUNET_MY_ResultSpec GNUNET_MY_result_spec_uint16(uint16_t *u16)
uint16_t expected
Definition: my_result_helper.c:693
GNUNET_MY_result_spec_absolute_time
struct GNUNET_MY_ResultSpec GNUNET_MY_result_spec_absolute_time(struct GNUNET_TIME_Absolute *at)
Absolute time expected.
Definition: my_result_helper.c:607
GNUNET_MY_result_spec_variable_size
struct GNUNET_MY_ResultSpec GNUNET_MY_result_spec_variable_size(void **dst, size_t *ptr_size)
Variable-size result expected.
Definition: my_result_helper.c:134
GNUNET_MY_result_spec_string
struct GNUNET_MY_ResultSpec GNUNET_MY_result_spec_string(char **dst)
0- terminated string exprected.
Definition: my_result_helper.c:584
GNUNET_MY_result_spec_rsa_signature
struct GNUNET_MY_ResultSpec GNUNET_MY_result_spec_rsa_signature(struct GNUNET_CRYPTO_RsaSignature **sig)
RSA signature expected.
Definition: my_result_helper.c:482
GNUNET_MY_result_spec_rsa_public_key
struct GNUNET_MY_ResultSpec GNUNET_MY_result_spec_rsa_public_key(struct GNUNET_CRYPTO_RsaPublicKey **rsa)
RSA public key expected.
Definition: my_result_helper.c:352
GNUNET_MY_result_spec_fixed_size
struct GNUNET_MY_ResultSpec GNUNET_MY_result_spec_fixed_size(void *ptr, size_t ptr_size)
Fixed-size result expected.
Definition: my_result_helper.c:217
GNUNET_MY_result_spec_auto_from_type
#define GNUNET_MY_result_spec_auto_from_type(dst)
We expect a fixed-size result, with size determined by the type of * dst
Definition: gnunet_my_lib.h:371
GNUNET_MY_result_spec_uint32
struct GNUNET_MY_ResultSpec GNUNET_MY_result_spec_uint32(uint32_t *u32)
uint32_t expected
Definition: my_result_helper.c:772
GNUNET_MY_result_spec_uint64
struct GNUNET_MY_ResultSpec GNUNET_MY_result_spec_uint64(uint64_t *u64)
uint64_t expected.
Definition: my_result_helper.c:853
pre_extract_rsa_public_key
static int pre_extract_rsa_public_key(void *cls, struct GNUNET_MY_ResultSpec *rs, MYSQL_STMT *stmt, unsigned int column, MYSQL_BIND *results)
Extract data from a Mysql database result at row row.
Definition: my_result_helper.c:246
post_extract_rsa_signature
static int post_extract_rsa_signature(void *cls, struct GNUNET_MY_ResultSpec *rs, MYSQL_STMT *stmt, unsigned int column, MYSQL_BIND *results)
Extract data from a Mysql database result at row row.
Definition: my_result_helper.c:410
pre_extract_varsize_blob
static int pre_extract_varsize_blob(void *cls, struct GNUNET_MY_ResultSpec *rs, MYSQL_STMT *stmt, unsigned int column, MYSQL_BIND *results)
extract data from a Mysql database result at row row
Definition: my_result_helper.c:45
post_extract_fixed_blob
static int post_extract_fixed_blob(void *cls, struct GNUNET_MY_ResultSpec *rs, MYSQL_STMT *stmt, unsigned int column, MYSQL_BIND *results)
Check size of extracted fixed size data from a Mysql database result at row row.
Definition: my_result_helper.c:194
post_extract_uint64
static int post_extract_uint64(void *cls, struct GNUNET_MY_ResultSpec *rs, MYSQL_STMT *stmt, unsigned int column, MYSQL_BIND *results)
Check size of extracted fixed-size data from a Mysql database.
Definition: my_result_helper.c:832
post_extract_string
static int post_extract_string(void *cls, struct GNUNET_MY_ResultSpec *rs, MYSQL_STMT *stmt, unsigned int column, MYSQL_BIND *results)
Check size of extracted fixed size data from a Mysql database.
Definition: my_result_helper.c:540
pre_extract_uint16
static int pre_extract_uint16(void *cls, struct GNUNET_MY_ResultSpec *rs, MYSQL_STMT *stmt, unsigned int column, MYSQL_BIND *results)
Extract data from a Postgres database result at row row.
Definition: my_result_helper.c:642
clean_rsa_public_key
static void clean_rsa_public_key(void *cls, struct GNUNET_MY_ResultSpec *rs)
Function called to clean up memory allocated by a GNUNET_MY_ResultConverter.
Definition: my_result_helper.c:331
post_extract_rsa_public_key
static int post_extract_rsa_public_key(void *cls, struct GNUNET_MY_ResultSpec *rs, MYSQL_STMT *stmt, unsigned int column, MYSQL_BIND *results)
Check size of extracted fixed size data from a Mysql database result at row row.
Definition: my_result_helper.c:277
post_extract_uint16
static int post_extract_uint16(void *cls, struct GNUNET_MY_ResultSpec *rs, MYSQL_STMT *stmt, unsigned int column, MYSQL_BIND *results)
Check size of extracted fixed size data from a Mysql database.
Definition: my_result_helper.c:672
pre_extract_string
static int pre_extract_string(void *cls, struct GNUNET_MY_ResultSpec *rs, MYSQL_STMT *stmt, unsigned int column, MYSQL_BIND *results)
Extract data from a Mysql database result at row row.
Definition: my_result_helper.c:510
pre_extract_fixed_blob
static int pre_extract_fixed_blob(void *cls, struct GNUNET_MY_ResultSpec *rs, MYSQL_STMT *stmt, unsigned int column, MYSQL_BIND *results)
Extract data from a Mysql database result at row row.
Definition: my_result_helper.c:163
post_extract_varsize_blob
static int post_extract_varsize_blob(void *cls, struct GNUNET_MY_ResultSpec *rs, MYSQL_STMT *stmt, unsigned int column, MYSQL_BIND *results)
extract data from a Mysql database result at row row
Definition: my_result_helper.c:74
pre_extract_uint32
static int pre_extract_uint32(void *cls, struct GNUNET_MY_ResultSpec *rs, MYSQL_STMT *stmt, unsigned int column, MYSQL_BIND *results)
Extract data from a MYSQL database result at row row.
Definition: my_result_helper.c:721
clean_rsa_signature
static void clean_rsa_signature(void *cls, struct GNUNET_MY_ResultSpec *rs)
Function called to clean up memory allocated by a GNUNET_MY_ResultConverter.
Definition: my_result_helper.c:462
cleanup_varsize_blob
static void cleanup_varsize_blob(void *cls, struct GNUNET_MY_ResultSpec *rs)
extract data from a Mysql database result at row row
Definition: my_result_helper.c:120
pre_extract_rsa_signature
static int pre_extract_rsa_signature(void *cls, struct GNUNET_MY_ResultSpec *rs, MYSQL_STMT *stmt, unsigned int column, MYSQL_BIND *results)
Extract data from a Mysql database result at row row.
Definition: my_result_helper.c:380
post_extract_uint32
static int post_extract_uint32(void *cls, struct GNUNET_MY_ResultSpec *rs, MYSQL_STMT *stmt, unsigned int column, MYSQL_BIND *results)
Extract data from a MYSQL database result at row row.
Definition: my_result_helper.c:751
pre_extract_uint64
static int pre_extract_uint64(void *cls, struct GNUNET_MY_ResultSpec *rs, MYSQL_STMT *stmt, unsigned int column, MYSQL_BIND *results)
Extract data from a MYSQL database result at row row.
Definition: my_result_helper.c:800
size
static unsigned int size
Size of the "table".
Definition: peer.c:68
GNUNET_CRYPTO_RsaPublicKey
The public information of an RSA key pair.
Definition: crypto_rsa.c:53
GNUNET_CRYPTO_RsaSignature
an RSA signature
Definition: crypto_rsa.c:65
GNUNET_MY_ResultSpec
Information we pass to GNUNET_MY_extract_result() to initialize the arguments of the prepared stateme...
Definition: gnunet_my_lib.h:204
GNUNET_MY_ResultSpec::dst_size
size_t dst_size
Allowed size for the data, 0 for variable-size (in this case, the type of dst is a void ** and we nee...
Definition: gnunet_my_lib.h:235
GNUNET_MY_ResultSpec::is_null
MYSQL_BOOL is_null
Memory for MySQL to notify us about NULL values.
Definition: gnunet_my_lib.h:257
GNUNET_MY_ResultSpec::num_fields
unsigned int num_fields
How many fields does this result specification occupy in the result returned by MySQL.
Definition: gnunet_my_lib.h:246
GNUNET_MY_ResultSpec::dst
void * dst
Destination for the data.
Definition: gnunet_my_lib.h:228
GNUNET_MY_ResultSpec::result_size
size_t * result_size
Where to store actual size of the result.
Definition: gnunet_my_lib.h:240
GNUNET_MY_ResultSpec::mysql_bind_output_length
unsigned long mysql_bind_output_length
Location where we temporarily store the output buffer length from MySQL.
Definition: gnunet_my_lib.h:252
GNUNET_TIME_AbsoluteNBO
Time for absolute time used by GNUnet, in microseconds and in network byte order.
Definition: gnunet_time_lib.h:102
GNUNET_TIME_Absolute
Time for absolute times used by GNUnet, in microseconds.
Definition: gnunet_time_lib.h:54