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small refactoring

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This commit is contained in:
merlokk 2018-10-02 19:57:40 +03:00
commit 9fae7350e5
3 changed files with 42 additions and 31 deletions
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39
client/cmdhf14a.c
View file

@ -136,6 +136,45 @@ int CmdHF14AList(const char *Cmd)
return 0; return 0;
} }
int Hf14443_4aGetCardData(iso14a_card_select_t * card) {
UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT, 0, 0}};
SendCommand(&c);
UsbCommand resp;
WaitForResponse(CMD_ACK,&resp);
memcpy(card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t));
uint64_t select_status = resp.arg[0]; // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS, 3: proprietary Anticollision
if(select_status == 0) {
PrintAndLog("E->iso14443a card select failed");
return 1;
}
if(select_status == 2) {
PrintAndLog("E->Card doesn't support iso14443-4 mode");
return 1;
}
if(select_status == 3) {
PrintAndLog("E->Card doesn't support standard iso14443-3 anticollision");
PrintAndLog("\tATQA : %02x %02x", card->atqa[1], card->atqa[0]);
return 1;
}
PrintAndLog(" UID: %s", sprint_hex(card->uid, card->uidlen));
PrintAndLog("ATQA: %02x %02x", card->atqa[1], card->atqa[0]);
PrintAndLog(" SAK: %02x [%" PRIu64 "]", card->sak, resp.arg[0]);
if(card->ats_len < 3) { // a valid ATS consists of at least the length byte (TL) and 2 CRC bytes
PrintAndLog("E-> Error ATS length(%d) : %s", card->ats_len, sprint_hex(card->ats, card->ats_len));
return 1;
}
PrintAndLog(" ATS: %s", sprint_hex(card->ats, card->ats_len));
return 0;
}
int CmdHF14AReader(const char *Cmd) { int CmdHF14AReader(const char *Cmd) {
uint32_t cm = ISO14A_CONNECT; uint32_t cm = ISO14A_CONNECT;
bool leaveSignalON = false; bool leaveSignalON = false;

2
client/cmdhf14a.h
View file

@ -14,6 +14,7 @@
#include <stdint.h> #include <stdint.h>
#include <stdbool.h> #include <stdbool.h>
#include "mifare.h"
int CmdHF14A(const char *Cmd); int CmdHF14A(const char *Cmd);
int CmdHF14AList(const char *Cmd); int CmdHF14AList(const char *Cmd);
@ -25,6 +26,7 @@ int CmdHF14ASnoop(const char *Cmd);
char* getTagInfo(uint8_t uid); char* getTagInfo(uint8_t uid);
extern void DropField(); extern void DropField();
extern int Hf14443_4aGetCardData(iso14a_card_select_t * card);
extern int ExchangeAPDU14a(uint8_t *datain, int datainlen, bool activateField, bool leaveSignalON, uint8_t *dataout, int maxdataoutlen, int *dataoutlen); extern int ExchangeAPDU14a(uint8_t *datain, int datainlen, bool activateField, bool leaveSignalON, uint8_t *dataout, int maxdataoutlen, int *dataoutlen);
#endif #endif

32
client/emv/cmdemv.c
View file

@ -1171,41 +1171,11 @@ int CmdHFEMVScan(const char *cmd) {
PrintAndLog("--> GET UID, ATS."); PrintAndLog("--> GET UID, ATS.");
UsbCommand c = {CMD_READER_ISO_14443a, {ISO14A_CONNECT, 0, 0}};
SendCommand(&c);
UsbCommand resp;
WaitForResponse(CMD_ACK,&resp);
iso14a_card_select_t card; iso14a_card_select_t card;
memcpy(&card, (iso14a_card_select_t *)resp.d.asBytes, sizeof(iso14a_card_select_t)); if (Hf14443_4aGetCardData(&card)) {
uint64_t select_status = resp.arg[0]; // 0: couldn't read, 1: OK, with ATS, 2: OK, no ATS, 3: proprietary Anticollision
if(select_status == 0) {
PrintAndLog("E->iso14443a card select failed");
return 1; return 1;
} }
if(select_status == 2) {
PrintAndLog("E->Card doesn't support iso14443-4 mode");
return 1;
}
if(select_status == 3) {
PrintAndLog("E->Card doesn't support standard iso14443-3 anticollision");
PrintAndLog("\tATQA : %02x %02x", card.atqa[1], card.atqa[0]);
return 1;
}
PrintAndLog(" UID: %s", sprint_hex(card.uid, card.uidlen));
PrintAndLog("ATQA: %02x %02x", card.atqa[1], card.atqa[0]);
PrintAndLog(" SAK: %02x [%" PRIu64 "]", card.sak, resp.arg[0]);
if(card.ats_len < 3) { // a valid ATS consists of at least the length byte (TL) and 2 CRC bytes
PrintAndLog("E-> Error ATS length(%d) : %s", card.ats_len, sprint_hex(card.ats, card.ats_len));
}
PrintAndLog(" ATS: %s", sprint_hex(card.ats, card.ats_len));
// init applets list tree // init applets list tree
const char *al = "Applets list"; const char *al = "Applets list";
struct tlvdb *tlvSelect = tlvdb_fixed(1, strlen(al), (const unsigned char *)al); struct tlvdb *tlvSelect = tlvdb_fixed(1, strlen(al), (const unsigned char *)al);