mirror of
https://github.com/RfidResearchGroup/proxmark3.git
synced 2026-06-03 19:41:41 +00:00
Basic NDEF functionality
Fixed ndef. Now it reads much like the 14443A counterpart. Untested except for one run on TCOS cards. Signed-off-by: team-orangeBlue <63470411+team-orangeBlue@users.noreply.github.com>
This commit is contained in:
team-orangeBlue
+139
-40
@@ -2568,79 +2568,178 @@ int CmdHF14BNdefRead(const char *Cmd) {
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// --------------- Select NDEF Tag application ----------------
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uint8_t aSELECT_AID[80];
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int aSELECT_AID_n = 0;
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param_gethex_to_eol("00a4040007d276000085010100", 0, aSELECT_AID, sizeof(aSELECT_AID), &aSELECT_AID_n);
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// It's likely safe to ignore the backwards compatibility select that's present in the 14443A part of this code.
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// Full-fledged 14443B is rare, after all. And if not.. your eMRTD passport doesn't have NDEF for a fact.
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param_gethex_to_eol("00a4040007d276000085010100", 0, aSELECT_AID, sizeof(aSELECT_AID), &aSELECT_AID_n); // Select NDEF application D2760000850101
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int res = exchange_14b_apdu(aSELECT_AID, aSELECT_AID_n, activate_field, keep_field_on, response, sizeof(response), &resplen, -1);
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if (res) {
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goto out;
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switch_off_field_14b();
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return res;
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}
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if (resplen < 2) {
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res = PM3_ESOFT;
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goto out;
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switch_off_field_14b();
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return res;
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}
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uint16_t sw = get_sw(response, resplen);
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if (sw != ISO7816_OK) {
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PrintAndLogEx(ERR, "Selecting NDEF aid failed (%04x - %s).", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff));
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PrintAndLogEx(ERR, "Selecting NDEF AID failed (%04x - %s).", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff));
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res = PM3_ESOFT;
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goto out;
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switch_off_field_14b();
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return res;
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}
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activate_field = false;
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keep_field_on = true;
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// --------------- Send CC select ----------------
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// --------------- Read binary ----------------
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// --------------- NDEF file reading ----------------
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uint8_t aSELECT_FILE_NDEF[30];
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int aSELECT_FILE_NDEF_n = 0;
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param_gethex_to_eol("00a4000c020001", 0, aSELECT_FILE_NDEF, sizeof(aSELECT_FILE_NDEF), &aSELECT_FILE_NDEF_n);
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res = exchange_14b_apdu(aSELECT_FILE_NDEF, aSELECT_FILE_NDEF_n, activate_field, keep_field_on, response, sizeof(response), &resplen, -1);
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if (res)
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goto out;
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sw = get_sw(response, resplen);
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if (sw != ISO7816_OK) {
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PrintAndLogEx(ERR, "Selecting NDEF file failed (%04x - %s).", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff));
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res = PM3_ESOFT;
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goto out;
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}
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// --------------- Read binary ----------------
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uint8_t aREAD_NDEF[30];
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int aREAD_NDEF_n = 0;
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param_gethex_to_eol("00b0000002", 0, aREAD_NDEF, sizeof(aREAD_NDEF), &aREAD_NDEF_n);
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res = exchange_14b_apdu(aREAD_NDEF, aREAD_NDEF_n, activate_field, keep_field_on, response, sizeof(response), &resplen, -1);
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// --------------- CC file reading ----------------
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uint8_t aSELECT_FILE_CC[30];
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int aSELECT_FILE_CC_n = 0;
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param_gethex_to_eol("00a4000c02e103", 0, aSELECT_FILE_CC, sizeof(aSELECT_FILE_CC), &aSELECT_FILE_CC_n); // Select E103 file with payload information
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res = exchange_14b_apdu(aSELECT_FILE_CC, aSELECT_FILE_CC_n, activate_field, keep_field_on, response, sizeof(response), &resplen, -1);
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if (res) {
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goto out;
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switch_off_field_14b();
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return res;
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}
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sw = get_sw(response, resplen);
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if (sw != ISO7816_OK) {
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PrintAndLogEx(ERR, "reading NDEF file failed (%04x - %s).", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff));
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PrintAndLogEx(ERR, "Selecting CC file failed (%04x - %s).", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff));
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res = PM3_ESOFT;
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goto out;
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switch_off_field_14b();
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return res;
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}
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// --------------- Read binary ----------------
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uint8_t aREAD_CC[30];
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int aREAD_CC_n = 0;
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param_gethex_to_eol("00b000000f", 0, aREAD_CC, sizeof(aREAD_CC), &aREAD_CC_n);
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res = exchange_14b_apdu(aREAD_CC, aREAD_CC_n, activate_field, keep_field_on, response, sizeof(response), &resplen, -1);
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if (res) {
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switch_off_field_14b();
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return res;
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}
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sw = get_sw(response, resplen);
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if (sw != ISO7816_OK) {
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PrintAndLogEx(ERR, "reading CC file failed (%04x - %s).", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff));
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res = PM3_ESOFT;
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switch_off_field_14b();
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return res;
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}
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// take offset from response
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uint8_t offset = response[1];
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// Parse CC data
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uint8_t cc_data[resplen - 2];
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memcpy(cc_data, response, sizeof(cc_data));
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uint8_t file_id[2] = {cc_data[9], cc_data[10]};
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// --------------- Read binary w offset ----------------
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keep_field_on = false;
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uint16_t max_rapdu_size = (cc_data[3] << 8 | cc_data[4]) - 2;
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max_rapdu_size = max_rapdu_size < sizeof(response) - 2 ? max_rapdu_size : sizeof(response) - 2;
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// --------------- NDEF file reading ----------------
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uint8_t aSELECT_FILE_NDEF[30];
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int aSELECT_FILE_NDEF_n = 0;
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param_gethex_to_eol("00a4000c02", 0, aSELECT_FILE_NDEF, sizeof(aSELECT_FILE_NDEF), &aSELECT_FILE_NDEF_n);
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memcpy(aSELECT_FILE_NDEF + aSELECT_FILE_NDEF_n, file_id, sizeof(file_id));
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res = exchange_14b_apdu(aSELECT_FILE_NDEF, aSELECT_FILE_NDEF_n + sizeof(file_id), activate_field, keep_field_on, response, sizeof(response), &resplen, -1);
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if (res != PM3_SUCCESS) {
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switch_off_field_14b();
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return res;
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}
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sw = get_sw(response, resplen);
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if (sw != ISO7816_OK) {
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PrintAndLogEx(ERR, "Selecting NDEF file failed (%04x - %s).", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff));
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switch_off_field_14b();
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return PM3_ESOFT;
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}
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// --------------- Read binary size ----------------
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uint8_t aREAD_NDEF[30];
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int aREAD_NDEF_n = 0;
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aREAD_NDEF_n = 0;
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param_gethex_to_eol("00b00002", 0, aREAD_NDEF, sizeof(aREAD_NDEF), &aREAD_NDEF_n);
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aREAD_NDEF[4] = offset;
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param_gethex_to_eol("00b0000002", 0, aREAD_NDEF, sizeof(aREAD_NDEF), &aREAD_NDEF_n);
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res = exchange_14b_apdu(aREAD_NDEF, aREAD_NDEF_n, activate_field, keep_field_on, response, sizeof(response), &resplen, -1);
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if (res) {
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goto out;
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switch_off_field_14b();
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return res;
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}
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sw = get_sw(response, resplen);
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if (sw != ISO7816_OK) {
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PrintAndLogEx(ERR, "reading NDEF file failed (%04x - %s).", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff));
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res = PM3_ESOFT;
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goto out;
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switch_off_field_14b();
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return res;
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}
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uint16_t ndef_size = (response[0] << 8) + response[1];
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offset = 2;
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uint8_t *ndef_file = calloc(ndef_size, sizeof(uint8_t));
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if (ndef_file == NULL) {
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PrintAndLogEx(WARNING, "Failed to allocate memory");
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switch_off_field_14b();
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return PM3_EMALLOC;
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}
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if (ndef_size + offset > 0xFFFF) {
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PrintAndLogEx(ERR, "NDEF size abnormally large in CmdHF14BNdefRead(). Aborting...\n");
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free(ndef_file);
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switch_off_field_14b();
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return PM3_EOVFLOW;
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}
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for (size_t i = offset; i < ndef_size + offset; i += max_rapdu_size) {
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size_t segment_size = max_rapdu_size < ndef_size + offset - i ? max_rapdu_size : ndef_size + offset - i;
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keep_field_on = i < ndef_size + offset - max_rapdu_size;
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aREAD_NDEF_n = 0;
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param_gethex_to_eol("00b00000", 0, aREAD_NDEF, sizeof(aREAD_NDEF), &aREAD_NDEF_n);
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aREAD_NDEF[2] = i >> 8;
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aREAD_NDEF[3] = i & 0xFF;
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// Segment_size is stuffed into a single-byte field below ... so error out if overflows
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if (segment_size > 0xFFu) {
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PrintAndLogEx(ERR, "Segment size too large (0x%zx > 0xFF)", segment_size);
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switch_off_field_14b();
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free(ndef_file);
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return PM3_EOVFLOW;
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}
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aREAD_NDEF[4] = segment_size;
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res = exchange_14b_apdu(aREAD_NDEF, aREAD_NDEF_n + 1, activate_field, keep_field_on, response, sizeof(response), &resplen, -1);
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if (res != PM3_SUCCESS) {
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switch_off_field_14b();
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free(ndef_file);
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return res;
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}
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sw = get_sw(response, resplen);
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if (sw != ISO7816_OK) {
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PrintAndLogEx(ERR, "reading NDEF file failed (%04x - %s).", sw, GetAPDUCodeDescription(sw >> 8, sw & 0xff));
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switch_off_field_14b();
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free(ndef_file);
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return PM3_ESOFT;
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}
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if (resplen != segment_size + 2) {
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PrintAndLogEx(ERR, "reading NDEF file failed, expected %zu bytes, got %i bytes.", segment_size, resplen - 2);
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switch_off_field_14b();
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free(ndef_file);
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return PM3_ESOFT;
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}
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memcpy(ndef_file + (i - offset), response, segment_size);
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}
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if (verbose == false) {
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PrintAndLogEx(HINT, "Hint: Try " _YELLOW_("`hf 14b ndefread -v`") " for more details"); // So far this prints absolutely nothing
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}
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// get total NDEF length before save. If fails, we save it all
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size_t n = 0;
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if (NDEFGetTotalLength(response + 2, resplen - 4, &n) != PM3_SUCCESS)
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@@ -2648,11 +2747,11 @@ int CmdHF14BNdefRead(const char *Cmd) {
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pm3_save_dump(filename, response + 2, n, jsfNDEF);
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res = NDEFRecordsDecodeAndPrint(response + 2, resplen - 4, verbose);
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out:
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NDEFRecordsDecodeAndPrint(ndef_file, ndef_size, verbose);
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free(ndef_file);
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PrintAndLogEx(NORMAL, "");
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switch_off_field_14b();
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return res;
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return PM3_SUCCESS;
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}
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static int CmdHF14BView(const char *Cmd) {
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