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https://github.com/RfidResearchGroup/proxmark3.git
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iceman1001
70 lines
2.3 KiB
C
70 lines
2.3 KiB
C
//-----------------------------------------------------------------------------
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// Copyright (C) Proxmark3 contributors. See AUTHORS.md for details.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// See LICENSE.txt for the text of the license.
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//-----------------------------------------------------------------------------
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// ATR information lookup
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//-----------------------------------------------------------------------------
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#include "atrs.h"
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#include <string.h>
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#include <stdlib.h>
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#include "commonutil.h" // ARRAYLEN
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#include "ui.h" // PrintAndLogEx
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// get a ATR description based on the atr bytes
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// returns description of the best match
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const char *getAtrInfo(const char *atr_str) {
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size_t slen = strlen(atr_str);
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int match = -1;
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// skip last element of AtrTable
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for (size_t i = 0; i < ARRAYLEN(AtrTable) - 1; ++i) {
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if (strlen(AtrTable[i].bytes) != slen) {
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continue;
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}
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if (strstr(AtrTable[i].bytes, ".") != NULL) {
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char *tmp_atr = calloc(slen, sizeof(uint8_t));
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if (tmp_atr == NULL) {
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PrintAndLogEx(WARNING, "Failed to allocate memory");
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return NULL;
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}
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for (size_t j = 0; j < slen; j++) {
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tmp_atr[j] = (AtrTable[i].bytes[j] == '.') ? '.' : atr_str[j];
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}
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if (strncmp(tmp_atr, AtrTable[i].bytes, slen) == 0) {
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// record partial match but continue looking for full match
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match = i;
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}
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free(tmp_atr);
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} else {
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if (strncmp(atr_str, AtrTable[i].bytes, slen) == 0) {
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return AtrTable[i].desc;
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}
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}
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}
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if (match >= 0) {
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return AtrTable[match].desc;
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} else {
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//No match, return default = last element of AtrTable
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return AtrTable[ARRAYLEN(AtrTable) - 1].desc;
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}
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}
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