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fix 'hf iclass snoop'

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* code deduplication: use ISO15693 snoop function
* speed up SnoopIso15693(), reduce DMA buffer size
* add jamming option '-j' to 'hf iclass snoop'
* fix issue #882
* whitespace fixes
This commit is contained in:
pwpiwi 2019-11-08 14:27:09 +01:00
commit be09ea8603
11 changed files with 166 additions and 817 deletions
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24
client/cmdhficlass.c
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@ -18,6 +18,7 @@
#include "iso14443crc.h" // Can also be used for iClass, using 0xE012 as CRC-type
#include "comms.h"
#include "ui.h"
#include "cliparser/cliparser.h"
#include "cmdparser.h"
#include "cmdhficlass.h"
#include "common.h"
@ -175,8 +176,29 @@ static int CmdHFiClassList(const char *Cmd) {
static int CmdHFiClassSnoop(const char *Cmd) {
UsbCommand c = {CMD_SNOOP_ICLASS};
CLIParserInit("hf iclass snoop", "\nSnoop a communication between an iClass Reader and an iClass Tag.", NULL);
void* argtable[] = {
arg_param_begin,
arg_lit0("j", "--jam", "Jam (prevent) e-purse Updates"),
arg_param_end
};
if (CLIParserParseString(Cmd, argtable, arg_getsize(argtable), true)){
CLIParserFree();
return 0;
}
bool jam_epurse_update = arg_get_lit(1);
const uint8_t update_epurse_sequence[2] = {0x87, 0x02};
UsbCommand c = {CMD_SNOOP_ICLASS, {0}};
if (jam_epurse_update) {
c.arg[0] = sizeof(update_epurse_sequence);
memcpy(c.d.asBytes, update_epurse_sequence, sizeof(update_epurse_sequence));
}
SendCommand(&c);
return 0;
}