diff options
Diffstat (limited to 'src/pq/pq_query_helper.c')
-rw-r--r-- | src/pq/pq_query_helper.c | 93 |
1 files changed, 92 insertions, 1 deletions
diff --git a/src/pq/pq_query_helper.c b/src/pq/pq_query_helper.c index ca1e94efb..8d6df60ce 100644 --- a/src/pq/pq_query_helper.c +++ b/src/pq/pq_query_helper.c @@ -1,6 +1,6 @@ /* This file is part of TALER - Copyright (C) 2014, 2015, 2016, 2021 Taler Systems SA + Copyright (C) 2014, 2015, 2016, 2021, 2022 Taler Systems SA 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 @@ -440,6 +440,97 @@ TALER_PQ_query_param_blinded_denom_sig ( * 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_blinded_planchet (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 TALER_BlindedPlanchet *bp = data; + size_t tlen; + size_t len; + uint32_t be[2]; + char *buf; + + (void) cls; + (void) data_len; + GNUNET_assert (1 == param_length); + GNUNET_assert (scratch_length > 0); + GNUNET_break (NULL == cls); + be[0] = htonl ((uint32_t) bp->cipher); + be[1] = htonl (0x0100); /* magic marker: blinded */ + switch (bp->cipher) + { + case TALER_DENOMINATION_RSA: + tlen = bp->details.rsa_blinded_planchet.blinded_msg_size; + break; + case TALER_DENOMINATION_CS: + tlen = sizeof (bp->details.cs_blinded_planchet); + break; + default: + GNUNET_assert (0); + } + len = tlen + sizeof (be); + buf = GNUNET_malloc (len); + memcpy (buf, + &be, + sizeof (be)); + switch (bp->cipher) + { + case TALER_DENOMINATION_RSA: + memcpy (&buf[sizeof (be)], + bp->details.rsa_blinded_planchet.blinded_msg, + tlen); + break; + case TALER_DENOMINATION_CS: + memcpy (&buf[sizeof (be)], + &bp->details.cs_blinded_planchet, + tlen); + break; + default: + GNUNET_assert (0); + } + scratch[0] = buf; + param_values[0] = (void *) buf; + param_lengths[0] = len; + param_formats[0] = 1; + return 1; +} + + +struct GNUNET_PQ_QueryParam +TALER_PQ_query_param_blinded_planchet ( + const struct TALER_BlindedPlanchet *bp) +{ + struct GNUNET_PQ_QueryParam res = { + .conv = &qconv_blinded_planchet, + .data = bp, + .num_params = 1 + }; + + return res; +} + + +/** + * Function called to convert input argument into SQL parameters. + * + * @param cls closure * @param data pointer to input argument, here a `json_t *` * @param data_len number of bytes in @a data (if applicable) * @param[out] param_values SQL data to set |