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Diffstat (limited to 'src/util/wireformats.c')
| -rw-r--r-- | src/util/wireformats.c | 441 |
1 files changed, 0 insertions, 441 deletions
diff --git a/src/util/wireformats.c b/src/util/wireformats.c deleted file mode 100644 index a69e8a093..000000000 --- a/src/util/wireformats.c +++ /dev/null @@ -1,441 +0,0 @@ -/* - This file is part of TALER - Copyright (C) 2014, 2015 GNUnet e.V. - - 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 <http://www.gnu.org/licenses/> -*/ -/** - * @file util/wireformats.c - * @brief helper functions for JSON processing using libjansson - * @author Sree Harsha Totakura <sreeharsha@totakura.in> - * @author Christian Grothoff - */ -#include "platform.h" -#include <gnunet/gnunet_util_lib.h> -#include "taler_util.h" - -/** - * Shorthand for exit jumps. - */ -#define EXITIF(cond) \ - do { \ - if (cond) { GNUNET_break (0); goto EXITIF_exit; } \ - } while (0) - -/** - * Shorthand for JSON parsing related exit jumps. - */ -#define UNPACK_EXITIF(cond) \ - do { \ - if (cond) { TALER_json_warn (error); goto EXITIF_exit; } \ - } while (0) - - -/* Taken from GNU gettext */ - -/** - * Entry in the country table. - */ -struct table_entry -{ - /** - * 2-Character international country code. - */ - const char *code; - - /** - * Long English name of the country. - */ - const char *english; -}; - -/* Keep the following table in sync with gettext. - WARNING: the entries should stay sorted according to the code */ -/** - * List of country codes. - */ -static const struct table_entry country_table[] = - { - { "AE", "U.A.E." }, - { "AF", "Afghanistan" }, - { "AL", "Albania" }, - { "AM", "Armenia" }, - { "AN", "Netherlands Antilles" }, - { "AR", "Argentina" }, - { "AT", "Austria" }, - { "AU", "Australia" }, - { "AZ", "Azerbaijan" }, - { "BA", "Bosnia and Herzegovina" }, - { "BD", "Bangladesh" }, - { "BE", "Belgium" }, - { "BG", "Bulgaria" }, - { "BH", "Bahrain" }, - { "BN", "Brunei Darussalam" }, - { "BO", "Bolivia" }, - { "BR", "Brazil" }, - { "BT", "Bhutan" }, - { "BY", "Belarus" }, - { "BZ", "Belize" }, - { "CA", "Canada" }, - { "CG", "Congo" }, - { "CH", "Switzerland" }, - { "CI", "Cote d'Ivoire" }, - { "CL", "Chile" }, - { "CM", "Cameroon" }, - { "CN", "People's Republic of China" }, - { "CO", "Colombia" }, - { "CR", "Costa Rica" }, - { "CS", "Serbia and Montenegro" }, - { "CZ", "Czech Republic" }, - { "DE", "Germany" }, - { "DK", "Denmark" }, - { "DO", "Dominican Republic" }, - { "DZ", "Algeria" }, - { "EC", "Ecuador" }, - { "EE", "Estonia" }, - { "EG", "Egypt" }, - { "ER", "Eritrea" }, - { "ES", "Spain" }, - { "ET", "Ethiopia" }, - { "FI", "Finland" }, - { "FO", "Faroe Islands" }, - { "FR", "France" }, - { "GB", "United Kingdom" }, - { "GD", "Caribbean" }, - { "GE", "Georgia" }, - { "GL", "Greenland" }, - { "GR", "Greece" }, - { "GT", "Guatemala" }, - { "HK", "Hong Kong" }, - { "HK", "Hong Kong S.A.R." }, - { "HN", "Honduras" }, - { "HR", "Croatia" }, - { "HT", "Haiti" }, - { "HU", "Hungary" }, - { "ID", "Indonesia" }, - { "IE", "Ireland" }, - { "IL", "Israel" }, - { "IN", "India" }, - { "IQ", "Iraq" }, - { "IR", "Iran" }, - { "IS", "Iceland" }, - { "IT", "Italy" }, - { "JM", "Jamaica" }, - { "JO", "Jordan" }, - { "JP", "Japan" }, - { "KE", "Kenya" }, - { "KG", "Kyrgyzstan" }, - { "KH", "Cambodia" }, - { "KR", "South Korea" }, - { "KW", "Kuwait" }, - { "KZ", "Kazakhstan" }, - { "LA", "Laos" }, - { "LB", "Lebanon" }, - { "LI", "Liechtenstein" }, - { "LK", "Sri Lanka" }, - { "LT", "Lithuania" }, - { "LU", "Luxembourg" }, - { "LV", "Latvia" }, - { "LY", "Libya" }, - { "MA", "Morocco" }, - { "MC", "Principality of Monaco" }, - { "MD", "Moldava" }, - { "MD", "Moldova" }, - { "ME", "Montenegro" }, - { "MK", "Former Yugoslav Republic of Macedonia" }, - { "ML", "Mali" }, - { "MM", "Myanmar" }, - { "MN", "Mongolia" }, - { "MO", "Macau S.A.R." }, - { "MT", "Malta" }, - { "MV", "Maldives" }, - { "MX", "Mexico" }, - { "MY", "Malaysia" }, - { "NG", "Nigeria" }, - { "NI", "Nicaragua" }, - { "NL", "Netherlands" }, - { "NO", "Norway" }, - { "NP", "Nepal" }, - { "NZ", "New Zealand" }, - { "OM", "Oman" }, - { "PA", "Panama" }, - { "PE", "Peru" }, - { "PH", "Philippines" }, - { "PK", "Islamic Republic of Pakistan" }, - { "PL", "Poland" }, - { "PR", "Puerto Rico" }, - { "PT", "Portugal" }, - { "PY", "Paraguay" }, - { "QA", "Qatar" }, - { "RE", "Reunion" }, - { "RO", "Romania" }, - { "RS", "Serbia" }, - { "RU", "Russia" }, - { "RW", "Rwanda" }, - { "SA", "Saudi Arabia" }, - { "SE", "Sweden" }, - { "SG", "Singapore" }, - { "SI", "Slovenia" }, - { "SK", "Slovak" }, - { "SN", "Senegal" }, - { "SO", "Somalia" }, - { "SR", "Suriname" }, - { "SV", "El Salvador" }, - { "SY", "Syria" }, - { "TH", "Thailand" }, - { "TJ", "Tajikistan" }, - { "TM", "Turkmenistan" }, - { "TN", "Tunisia" }, - { "TR", "Turkey" }, - { "TT", "Trinidad and Tobago" }, - { "TW", "Taiwan" }, - { "TZ", "Tanzania" }, - { "UA", "Ukraine" }, - { "US", "United States" }, - { "UY", "Uruguay" }, - { "VA", "Vatican" }, - { "VE", "Venezuela" }, - { "VN", "Viet Nam" }, - { "YE", "Yemen" }, - { "ZA", "South Africa" }, - { "ZW", "Zimbabwe" } - }; - - -/** - * Country code comparator function, for binary search with bsearch(). - * - * @param ptr1 pointer to a `struct table_entry` - * @param ptr2 pointer to a `struct table_entry` - * @return result of strncmp()'ing the 2-digit country codes of the entries - */ -static int -cmp_country_code (const void *ptr1, - const void *ptr2) -{ - const struct table_entry *cc1 = ptr1; - const struct table_entry *cc2 = ptr2; - - return strncmp (cc1->code, cc2->code, 2); -} - - -/** - * Validates given IBAN according to the European Banking Standards. See: - * http://www.europeanpaymentscouncil.eu/documents/ECBS%20IBAN%20standard%20EBS204_V3.2.pdf - * - * @param iban the IBAN number to validate - * @return #GNUNET_YES if correctly formatted; #GNUNET_NO if not - */ -static int -validate_iban (const char *iban) -{ - char cc[2]; - char ibancpy[35]; - struct table_entry cc_entry; - unsigned int len; - char *nbuf; - unsigned int i; - unsigned int j; - unsigned long long dividend; - unsigned long long remainder; - int nread; - int ret; - - len = strlen (iban); - if (len > 34) - return GNUNET_NO; - strncpy (cc, iban, 2); - strncpy (ibancpy, iban + 4, len - 4); - strncpy (ibancpy + len - 4, iban, 4); - ibancpy[len] = '\0'; - cc_entry.code = cc; - cc_entry.english = NULL; - if (NULL == - bsearch (&cc_entry, - country_table, - sizeof (country_table) / sizeof (struct table_entry), - sizeof (struct table_entry), - &cmp_country_code)) - return GNUNET_NO; - nbuf = GNUNET_malloc ((len * 2) + 1); - for (i=0, j=0; i < len; i++) - { - if (isalpha ((int) ibancpy[i])) - { - EXITIF(2 != snprintf(&nbuf[j], - 3, - "%2u", - (ibancpy[i] - 'A' + 10))); - j += 2; - continue; - } - nbuf[j] = ibancpy[i]; - j++; - } - for (j=0;'\0' != nbuf[j];j++) - GNUNET_assert (isdigit(nbuf[j])); - GNUNET_assert (sizeof(dividend) >= 8); - remainder = 0; - for (i=0; i<j; i+=16) - { - EXITIF (1 != - (ret = sscanf (&nbuf[i], - "%16llu %n", - ÷nd, - &nread))); - if (0 != remainder) - dividend += remainder * (pow (10, nread)); - remainder = dividend % 97; - } - if (1 == remainder) - { - GNUNET_free (nbuf); - return GNUNET_YES; - } - EXITIF_exit: - GNUNET_free (nbuf); - return GNUNET_NO; -} - - -/** - * Validate SEPA account details. - * - * @param wire JSON with the SEPA details - * @return #GNUNET_YES if correctly formatted; #GNUNET_NO if not - */ -static int -validate_sepa (const json_t *wire) -{ - json_error_t error; - const char *type; - const char *iban; - const char *name; - const char *bic; - uint64_t r; - const char *address; - - UNPACK_EXITIF (0 != json_unpack_ex - ((json_t *) wire, - &error, JSON_STRICT, - "{" - "s:s," /* TYPE: sepa */ - "s:s," /* IBAN: iban */ - "s:s," /* name: beneficiary name */ - "s:s," /* BIC: beneficiary bank's BIC */ - "s:i," /* r: random 64-bit integer nounce */ - "s:s" /* address: address of the beneficiary */ - "}", - "type", &type, - "IBAN", &iban, - "name", &name, - "bic", &bic, - "r", &r, - "address", &address)); - if (1 != validate_iban (iban)) - { - GNUNET_log (GNUNET_ERROR_TYPE_INFO, - "IBAN `%s' invalid\n", - iban); - return GNUNET_NO; - } - return GNUNET_YES; - EXITIF_exit: - return GNUNET_NO; -} - - -/** - * Validate TEST account details. The "test" format is used - * for testing, so this validator does nothing. - * - * @param wire JSON with the TEST details - * @return #GNUNET_YES if correctly formatted; #GNUNET_NO if not - */ -static int -validate_test (const json_t *wire) -{ - return GNUNET_YES; -} - - -/** - * Handler for a wire format. - */ -struct FormatHandler -{ - /** - * Type handled by this format handler. - */ - const char *type; - - /** - * Function to call to evaluate the format. - * - * @param wire the JSON to evaluate - * @return #GNUNET_YES if correctly formatted; #GNUNET_NO if not - */ - int (*handler)(const json_t *wire); -}; - - -/** - * Check if the given wire format JSON object is correctly formatted - * - * @param allowed NULL-terminated array of allowed wire format types - * @param wire the JSON wire format object - * @return #GNUNET_YES if correctly formatted; #GNUNET_NO if not - */ -int -TALER_json_validate_wireformat (const char **allowed, - const json_t *wire) -{ - static const struct FormatHandler format_handlers[] = { - { "SEPA", &validate_sepa }, - { "TEST", &validate_test }, - { NULL, NULL} - }; - unsigned int i; - const char *stype; - json_error_t error; - - UNPACK_EXITIF (0 != json_unpack_ex - ((json_t *) wire, - &error, 0, - "{s:s}", - "type", &stype)); - for (i=0;NULL != allowed[i];i++) - if (0 == strcasecmp (allowed[i], - stype)) - break; - if (NULL == allowed[i]) - { - GNUNET_log (GNUNET_ERROR_TYPE_INFO, - "Wireformat `%s' does not match exchange's allowed formats\n", - stype); - return GNUNET_NO; - } - - for (i=0;NULL != format_handlers[i].type;i++) - if (0 == strcasecmp (format_handlers[i].type, - stype)) - return format_handlers[i].handler (wire); - GNUNET_log (GNUNET_ERROR_TYPE_INFO, - "Wireformat `%s' not supported\n", - stype); - return GNUNET_NO; - EXITIF_exit: - return GNUNET_NO; -} - -/* end of wireformats.c */ |