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APDU finder: Prevent reactivating the field (speedup).

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This commit is contained in:
ikarus 2020-12-14 23:27:47 +01:00
parent 006e5d2be0
commit b9b92c6bc3
1 changed files with 7 additions and 4 deletions
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11
client/src/cmdhf14a.c
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@ -2198,7 +2198,7 @@ static int CmdHf14AFindapdu(const char *Cmd) {
bool inc_p1 = true;
uint64_t t_start = msclock();
uint64_t t_last_select = msclock();
uint64_t t_last_reset = msclock();
// Enumerate APDUs.
do {
@ -2259,6 +2259,7 @@ static int CmdHf14AFindapdu(const char *Cmd) {
sprint_ascii(response, response_n - 2));
}
}
activate_field = false; // Do not reativate the filed until the next reset.
} while (++ins != ins_arg[0]);
// Increment P1/P2 in an alternating fashion.
if (inc_p1) {
@ -2268,10 +2269,12 @@ static int CmdHf14AFindapdu(const char *Cmd) {
}
inc_p1 = !inc_p1;
// Check if re-selecting the card is needed.
if (((msclock() - t_last_select) / 1000) > reset_time) {
uint64_t t_since_last_reset = ((msclock() - t_last_reset) / 1000);
if (t_since_last_reset > reset_time) {
DropField();
t_last_select = msclock();
PrintAndLogEx(INFO, "Reseting the tag to prevent timeout issues");
activate_field = true;
t_last_reset = msclock();
PrintAndLogEx(INFO, "Last reset was %" PRIu64 " seconds ago. Reseting the tag to prevent timeout issues", t_since_last_reset);
}
PrintAndLogEx(INFO, "Status: [ CLA " _GREEN_("%02X") " INS " _GREEN_("%02X") " P1 " _GREEN_("%02X") " P2 " _GREEN_("%02X") " ]", cla, ins, p1, p2);
} while (p1 != p1_arg[0] || p2 != p2_arg[0]);