123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458 |
- /*
- This file is part of GNUnet
- Copyright (C) 2014, 2015, 2016 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
- */
- /**
- * @file pq/pq_query_helper.c
- * @brief functions to initialize parameter arrays
- * @author Christian Grothoff
- */
- #include "platform.h"
- #include "gnunet_util_lib.h"
- #include "gnunet_pq_lib.h"
- /**
- * Function called to convert input argument into SQL parameters.
- *
- * @param cls closure
- * @param data pointer to input argument
- * @param data_len number of bytes in @a data (if applicable)
- * @param[out] param_values SQL data to set
- * @param[out] param_lengths SQL length data to set
- * @param[out] param_formats SQL format data to set
- * @param param_length number of entries available in the @a param_values, @a param_lengths and @a param_formats arrays
- * @param[out] scratch buffer for dynamic allocations (to be done via #GNUNET_malloc()
- * @param scratch_length number of entries left in @a scratch
- * @return -1 on error, number of offsets used in @a scratch otherwise
- */
- static int
- qconv_fixed (void *cls,
- const void *data,
- size_t data_len,
- void *param_values[],
- int param_lengths[],
- int param_formats[],
- unsigned int param_length,
- void *scratch[],
- unsigned int scratch_length)
- {
- (void) scratch;
- (void) scratch_length;
- GNUNET_break (NULL == cls);
- if (1 != param_length)
- return -1;
- param_values[0] = (void *) data;
- param_lengths[0] = data_len;
- param_formats[0] = 1;
- return 0;
- }
- /**
- * Generate query parameter for a buffer @a ptr of
- * @a ptr_size bytes.
- *
- * @param ptr pointer to the query parameter to pass
- * @oaran ptr_size number of bytes in @a ptr
- */
- struct GNUNET_PQ_QueryParam
- GNUNET_PQ_query_param_fixed_size (const void *ptr,
- size_t ptr_size)
- {
- struct GNUNET_PQ_QueryParam res =
- { &qconv_fixed, NULL, ptr, ptr_size, 1 };
- return res;
- }
- /**
- * Generate query parameter for a string.
- *
- * @param ptr pointer to the string query parameter to pass
- */
- struct GNUNET_PQ_QueryParam
- GNUNET_PQ_query_param_string (const char *ptr)
- {
- return GNUNET_PQ_query_param_fixed_size (ptr, strlen (ptr));
- }
- /**
- * Function called to convert input argument into SQL parameters.
- *
- * @param cls closure
- * @param data pointer to input argument
- * @param data_len number of bytes in @a data (if applicable)
- * @param[out] param_values SQL data to set
- * @param[out] param_lengths SQL length data to set
- * @param[out] param_formats SQL format data to set
- * @param param_length number of entries available in the @a param_values, @a param_lengths and @a param_formats arrays
- * @param[out] scratch buffer for dynamic allocations (to be done via #GNUNET_malloc()
- * @param scratch_length number of entries left in @a scratch
- * @return -1 on error, number of offsets used in @a scratch otherwise
- */
- static int
- qconv_uint16 (void *cls,
- const void *data,
- size_t data_len,
- void *param_values[],
- int param_lengths[],
- int param_formats[],
- unsigned int param_length,
- void *scratch[],
- unsigned int scratch_length)
- {
- const uint16_t *u_hbo = data;
- uint16_t *u_nbo;
- (void) scratch;
- (void) scratch_length;
- GNUNET_break (NULL == cls);
- if (1 != param_length)
- return -1;
- u_nbo = GNUNET_new (uint16_t);
- scratch[0] = u_nbo;
- *u_nbo = htons (*u_hbo);
- param_values[0] = (void *) u_nbo;
- param_lengths[0] = sizeof (uint16_t);
- param_formats[0] = 1;
- return 1;
- }
- /**
- * Generate query parameter for an uint16_t in host byte order.
- *
- * @param x pointer to the query parameter to pass
- */
- struct GNUNET_PQ_QueryParam
- GNUNET_PQ_query_param_uint16 (const uint16_t *x)
- {
- struct GNUNET_PQ_QueryParam res =
- { &qconv_uint16, NULL, x, sizeof (*x), 1 };
- return res;
- }
- /**
- * Function called to convert input argument into SQL parameters.
- *
- * @param cls closure
- * @param data pointer to input argument
- * @param data_len number of bytes in @a data (if applicable)
- * @param[out] param_values SQL data to set
- * @param[out] param_lengths SQL length data to set
- * @param[out] param_formats SQL format data to set
- * @param param_length number of entries available in the @a param_values, @a param_lengths and @a param_formats arrays
- * @param[out] scratch buffer for dynamic allocations (to be done via #GNUNET_malloc()
- * @param scratch_length number of entries left in @a scratch
- * @return -1 on error, number of offsets used in @a scratch otherwise
- */
- static int
- qconv_uint32 (void *cls,
- const void *data,
- size_t data_len,
- void *param_values[],
- int param_lengths[],
- int param_formats[],
- unsigned int param_length,
- void *scratch[],
- unsigned int scratch_length)
- {
- const uint32_t *u_hbo = data;
- uint32_t *u_nbo;
- (void) scratch;
- (void) scratch_length;
- GNUNET_break (NULL == cls);
- if (1 != param_length)
- return -1;
- u_nbo = GNUNET_new (uint32_t);
- scratch[0] = u_nbo;
- *u_nbo = htonl (*u_hbo);
- param_values[0] = (void *) u_nbo;
- param_lengths[0] = sizeof (uint32_t);
- param_formats[0] = 1;
- return 1;
- }
- /**
- * Generate query parameter for an uint32_t in host byte order.
- *
- * @param x pointer to the query parameter to pass
- */
- struct GNUNET_PQ_QueryParam
- GNUNET_PQ_query_param_uint32 (const uint32_t *x)
- {
- struct GNUNET_PQ_QueryParam res =
- { &qconv_uint32, NULL, x, sizeof (*x), 1 };
- return res;
- }
- /**
- * Function called to convert input argument into SQL parameters.
- *
- * @param cls closure
- * @param data pointer to input argument
- * @param data_len number of bytes in @a data (if applicable)
- * @param[out] param_values SQL data to set
- * @param[out] param_lengths SQL length data to set
- * @param[out] param_formats SQL format data to set
- * @param param_length number of entries available in the @a param_values, @a param_lengths and @a param_formats arrays
- * @param[out] scratch buffer for dynamic allocations (to be done via #GNUNET_malloc()
- * @param scratch_length number of entries left in @a scratch
- * @return -1 on error, number of offsets used in @a scratch otherwise
- */
- static int
- qconv_uint64 (void *cls,
- const void *data,
- size_t data_len,
- void *param_values[],
- int param_lengths[],
- int param_formats[],
- unsigned int param_length,
- void *scratch[],
- unsigned int scratch_length)
- {
- const uint64_t *u_hbo = data;
- uint64_t *u_nbo;
- (void) scratch;
- (void) scratch_length;
- GNUNET_break (NULL == cls);
- if (1 != param_length)
- return -1;
- u_nbo = GNUNET_new (uint64_t);
- scratch[0] = u_nbo;
- *u_nbo = GNUNET_htonll (*u_hbo);
- param_values[0] = (void *) u_nbo;
- param_lengths[0] = sizeof (uint64_t);
- param_formats[0] = 1;
- return 1;
- }
- /**
- * Generate query parameter for an uint64_t in host byte order.
- *
- * @param x pointer to the query parameter to pass
- */
- struct GNUNET_PQ_QueryParam
- GNUNET_PQ_query_param_uint64 (const uint64_t *x)
- {
- struct GNUNET_PQ_QueryParam res =
- { &qconv_uint64, NULL, x, sizeof (*x), 1 };
- return res;
- }
- /**
- * Function called to convert input argument into SQL parameters.
- *
- * @param cls closure
- * @param data pointer to input argument
- * @param data_len number of bytes in @a data (if applicable)
- * @param[out] param_values SQL data to set
- * @param[out] param_lengths SQL length data to set
- * @param[out] param_formats SQL format data to set
- * @param param_length number of entries available in the @a param_values, @a param_lengths and @a param_formats arrays
- * @param[out] scratch buffer for dynamic allocations (to be done via #GNUNET_malloc()
- * @param scratch_length number of entries left in @a scratch
- * @return -1 on error, number of offsets used in @a scratch otherwise
- */
- static int
- qconv_rsa_public_key (void *cls,
- const void *data,
- size_t data_len,
- void *param_values[],
- int param_lengths[],
- int param_formats[],
- unsigned int param_length,
- void *scratch[],
- unsigned int scratch_length)
- {
- const struct GNUNET_CRYPTO_RsaPublicKey *rsa = data;
- char *buf;
- size_t buf_size;
- GNUNET_break (NULL == cls);
- if (1 != param_length)
- return -1;
- buf_size = GNUNET_CRYPTO_rsa_public_key_encode (rsa,
- &buf);
- scratch[0] = buf;
- param_values[0] = (void *) buf;
- param_lengths[0] = buf_size - 1; /* DB doesn't like the trailing \0 */
- param_formats[0] = 1;
- return 1;
- }
- /**
- * Generate query parameter for an RSA public key. The
- * database must contain a BLOB type in the respective position.
- *
- * @param x the query parameter to pass
- * @return array entry for the query parameters to use
- */
- struct GNUNET_PQ_QueryParam
- GNUNET_PQ_query_param_rsa_public_key (const struct GNUNET_CRYPTO_RsaPublicKey *x)
- {
- struct GNUNET_PQ_QueryParam res =
- { &qconv_rsa_public_key, NULL, (x), 0, 1 };
- return res;
- }
- /**
- * Function called to convert input argument into SQL parameters.
- *
- * @param cls closure
- * @param data pointer to input argument
- * @param data_len number of bytes in @a data (if applicable)
- * @param[out] param_values SQL data to set
- * @param[out] param_lengths SQL length data to set
- * @param[out] param_formats SQL format data to set
- * @param param_length number of entries available in the @a param_values, @a param_lengths and @a param_formats arrays
- * @param[out] scratch buffer for dynamic allocations (to be done via #GNUNET_malloc()
- * @param scratch_length number of entries left in @a scratch
- * @return -1 on error, number of offsets used in @a scratch otherwise
- */
- static int
- qconv_rsa_signature (void *cls,
- const void *data,
- size_t data_len,
- void *param_values[],
- int param_lengths[],
- int param_formats[],
- unsigned int param_length,
- void *scratch[],
- unsigned int scratch_length)
- {
- const struct GNUNET_CRYPTO_RsaSignature *sig = data;
- char *buf;
- size_t buf_size;
- GNUNET_break (NULL == cls);
- if (1 != param_length)
- return -1;
- buf_size = GNUNET_CRYPTO_rsa_signature_encode (sig,
- &buf);
- scratch[0] = buf;
- param_values[0] = (void *) buf;
- param_lengths[0] = buf_size - 1; /* DB doesn't like the trailing \0 */
- param_formats[0] = 1;
- return 1;
- }
- /**
- * Generate query parameter for an RSA signature. The
- * database must contain a BLOB type in the respective position.
- *
- * @param x the query parameter to pass
- * @return array entry for the query parameters to use
- */
- struct GNUNET_PQ_QueryParam
- GNUNET_PQ_query_param_rsa_signature (const struct GNUNET_CRYPTO_RsaSignature *x)
- {
- struct GNUNET_PQ_QueryParam res =
- { &qconv_rsa_signature, NULL, (x), 0, 1 };
- return res;
- }
- /**
- * Function called to convert input argument into SQL parameters.
- *
- * @param cls closure
- * @param data pointer to input argument
- * @param data_len number of bytes in @a data (if applicable)
- * @param[out] param_values SQL data to set
- * @param[out] param_lengths SQL length data to set
- * @param[out] param_formats SQL format data to set
- * @param param_length number of entries available in the @a param_values, @a param_lengths and @a param_formats arrays
- * @param[out] scratch buffer for dynamic allocations (to be done via #GNUNET_malloc()
- * @param scratch_length number of entries left in @a scratch
- * @return -1 on error, number of offsets used in @a scratch otherwise
- */
- static int
- qconv_abs_time (void *cls,
- const void *data,
- size_t data_len,
- void *param_values[],
- int param_lengths[],
- int param_formats[],
- unsigned int param_length,
- void *scratch[],
- unsigned int scratch_length)
- {
- const struct GNUNET_TIME_Absolute *u = data;
- struct GNUNET_TIME_Absolute abs;
- uint64_t *u_nbo;
- GNUNET_break (NULL == cls);
- if (1 != param_length)
- return -1;
- abs = *u;
- if (abs.abs_value_us > INT64_MAX)
- abs.abs_value_us = INT64_MAX;
- u_nbo = GNUNET_new (uint64_t);
- scratch[0] = u_nbo;
- *u_nbo = GNUNET_htonll (abs.abs_value_us);
- param_values[0] = (void *) u_nbo;
- param_lengths[0] = sizeof (uint64_t);
- param_formats[0] = 1;
- return 1;
- }
- /**
- * Generate query parameter for an absolute time value.
- * The database must store a 64-bit integer.
- *
- * @param x pointer to the query parameter to pass
- * @return array entry for the query parameters to use
- */
- struct GNUNET_PQ_QueryParam
- GNUNET_PQ_query_param_absolute_time (const struct GNUNET_TIME_Absolute *x)
- {
- struct GNUNET_PQ_QueryParam res =
- { &qconv_abs_time, NULL, x, sizeof (*x), 1 };
- return res;
- }
- /**
- * Generate query parameter for an absolute time value.
- * The database must store a 64-bit integer.
- *
- * @param x pointer to the query parameter to pass
- */
- struct GNUNET_PQ_QueryParam
- GNUNET_PQ_query_param_absolute_time_nbo(const struct GNUNET_TIME_AbsoluteNBO *x)
- {
- return GNUNET_PQ_query_param_auto_from_type (&x->abs_value_us__);
- }
- /* end of pq_query_helper.c */
|