From 62e7d307503db759fab9e13e01d23bea9fc0337c Mon Sep 17 00:00:00 2001 From: Christian Grothoff Date: Wed, 13 May 2015 20:16:36 +0200 Subject: sync --- src/pq/pq_helper.c | 214 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 214 insertions(+) create mode 100644 src/pq/pq_helper.c (limited to 'src/pq') diff --git a/src/pq/pq_helper.c b/src/pq/pq_helper.c new file mode 100644 index 000000000..b172a94bf --- /dev/null +++ b/src/pq/pq_helper.c @@ -0,0 +1,214 @@ +/* + This file is part of TALER + Copyright (C) 2014, 2015 Christian Grothoff (and other contributing authors) + + TALER is free software; you can redistribute it and/or modify it under the + terms of the GNU General Public License as published by the Free Software + Foundation; either version 3, or (at your option) any later version. + + TALER 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 General Public License for more details. + + You should have received a copy of the GNU General Public License along with + TALER; see the file COPYING. If not, If not, see +*/ +/** + * @file pq/pq_helper.c + * @brief functions to initialize parameter arrays + * @author Christian Grothoff + */ +#include "platform.h" +#include +#include "taler_pq_lib.h" + + +/** + * Generate query parameter for a currency, consisting of the three + * components "value", "fraction" and "currency" in this order. The + * types must be a 64-bit integer, 32-bit integer and a + * #TALER_CURRENCY_LEN-sized BLOB/VARCHAR respectively. + * + * @param x pointer to the query parameter to pass + * @return array entry for the query parameters to use + */ +struct TALER_PQ_QueryParam +TALER_PQ_QUERY_PARAM_AMOUNT_NBO (const struct TALER_AmountNBO *x) +{ + struct TALER_PQ_QueryParam res = + { TALER_PQ_QF_AMOUNT_NBO, x, sizeof (*x) }; + return res; +} + + +/** + * Generate query parameter for a currency, consisting of the three + * components "value", "fraction" and "currency" in this order. The + * types must be a 64-bit integer, 32-bit integer and a + * #TALER_CURRENCY_LEN-sized BLOB/VARCHAR respectively. + * + * @param x pointer to the query parameter to pass + * @return array entry for the query parameters to use + */ +struct TALER_PQ_QueryParam +TALER_PQ_QUERY_PARAM_AMOUNT (const struct TALER_Amount *x) +{ + struct TALER_PQ_QueryParam res = + { TALER_PQ_QF_AMOUNT, x, sizeof (*x) }; + return res; +} + + +/** + * 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 TALER_PQ_QueryParam +TALER_PQ_QUERY_PARAM_RSA_PUBLIC_KEY (const struct GNUNET_CRYPTO_rsa_PublicKey *x) +{ + struct TALER_PQ_QueryParam res = + { TALER_PQ_QF_RSA_PUBLIC_KEY, (x), 0 }; + return res; +} + + +/** + * 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 TALER_PQ_QueryParam +TALER_PQ_QUERY_PARAM_RSA_SIGNATURE (const struct GNUNET_CRYPTO_rsa_Signature *x) +{ + struct TALER_PQ_QueryParam res = + { TALER_PQ_QF_RSA_SIGNATURE, (x), 0 }; + 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 + * @return array entry for the query parameters to use + */ +struct TALER_PQ_QueryParam +TALER_PQ_QUERY_PARAM_ABSOLUTE_TIME (struct GNUNET_TIME_Absolute x) +{ + struct TALER_PQ_QueryParam res = + { TALER_PQ_QF_TIME_ABSOLUTE, &(x), sizeof (x) }; + return res; +} + + +/** + * Variable-size result expected. + * + * @param name name of the field in the table + * @param[out] dst where to store the result, allocated + * @param[out] sptr where to store the size of @a dst + * @return array entry for the result specification to use + */ +struct TALER_PQ_ResultSpec +TALER_PQ_RESULT_SPEC_VAR (const char *name, + void **dst, + size_t *sptr) +{ + struct TALER_PQ_ResultSpec res = + { TALER_PQ_RF_VARSIZE_BLOB, (void *) (dst), 0, (name), sptr }; + return res; +} + + +/** + * Currency amount expected. + * + * @param name name of the field in the table + * @param[out] amount where to store the result + * @return array entry for the result specification to use + */ +struct TALER_PQ_ResultSpec +TALER_PQ_RESULT_SPEC_AMOUNT_NBO (const char *name, + struct TALER_AmountNBO *amount) +{ + struct TALER_PQ_ResultSpec res = + {TALER_PQ_RF_AMOUNT_NBO, (void *) (&amount), sizeof (amount), (name), NULL }; + return res; +} + + +/** + * Currency amount expected. + * + * @param name name of the field in the table + * @param[out] amount where to store the result + * @return array entry for the result specification to use + */ +struct TALER_PQ_ResultSpec +TALER_PQ_RESULT_SPEC_AMOUNT (const char *name, + struct TALER_Amount *amount) +{ + struct TALER_PQ_ResultSpec res = + {TALER_PQ_RF_AMOUNT, (void *) (&amount), sizeof (amount), (name), NULL }; + return res; +} + + +/** + * RSA public key expected. + * + * @param name name of the field in the table + * @param[out] rsa where to store the result + * @return array entry for the result specification to use + */ +struct TALER_PQ_ResultSpec +TALER_PQ_RESULT_SPEC_RSA_PUBLIC_KEY (const char *name, + struct GNUNET_CRYPTO_rsa_PublicKey **rsa) +{ + struct TALER_PQ_ResultSpec res = + {TALER_PQ_RF_RSA_PUBLIC_KEY, (void *) &(rsa), 0, (name), NULL }; + return res; +} + + +/** + * RSA signature expected. + * + * @param name name of the field in the table + * @param[out] sig where to store the result; + * @return array entry for the result specification to use + */ +struct TALER_PQ_ResultSpec +TALER_PQ_RESULT_SPEC_RSA_SIGNATURE (const char *name, + struct GNUNET_CRYPTO_rsa_Signature **sig) +{ + struct TALER_PQ_ResultSpec res = + {TALER_PQ_RF_RSA_SIGNATURE, (void *) &(sig), 0, (name), NULL }; + return res; +} + + +/** + * Absolute time expected. + * + * @param name name of the field in the table + * @param[out] at where to store the result + * @return array entry for the result specification to use + */ +struct TALER_PQ_ResultSpec +TALER_PQ_RESULT_SPEC_ABSOLUTE_TIME (const char *name, + struct GNUNET_TIME_Absolute *at) +{ + struct TALER_PQ_ResultSpec res = + {TALER_PQ_RF_TIME_ABSOLUTE, (void *) (&at), sizeof (at), (name), NULL }; + return res; +} + + +/* end of pq_helper.c */ -- cgit v1.2.3