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added a new command to lookup ATR arrays

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This commit is contained in:
iceman1001 2023-08-02 19:50:47 +02:00
commit 1e26d79ddd
1 changed files with 49 additions and 2 deletions
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51
client/src/cmddata.c
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@ -38,6 +38,7 @@
#include "mbedtls/bignum.h" // big num
#include "mbedtls/entropy.h" //
#include "mbedtls/ctr_drbg.h" // random generator
#include "atrs.h" // ATR lookup
uint8_t g_DemodBuffer[MAX_DEMOD_BUF_LEN];
size_t g_DemodBufferLen = 0;
@ -3411,6 +3412,51 @@ static int CmdEnvelope(const char *Cmd) {
return PM3_SUCCESS;
}
static int CmdAtrLookup(const char *Cmd) {
CLIParserContext *ctx;
CLIParserInit(&ctx, "data atr",
"look up ATR record from bytearray\n"
"",
"data atr -d 3B6B00000031C064BE1B0100079000\n"
);
void *argtable[] = {
arg_param_begin,
arg_str0("d", NULL, "<hex>", "ASN1 encoded byte array"),
arg_lit0("t", "test", "perform selftest"),
arg_param_end
};
CLIExecWithReturn(ctx, Cmd, argtable, false);
int dlen = 64;
uint8_t data[64];
CLIGetHexWithReturn(ctx, 1, data, &dlen);
// bool selftest = arg_get_lit(ctx, 2);
CLIParserFree(ctx);
// if (selftest) {
// return atr_selftest();
// }
// convert bytes to str.
char *hexstr = calloc((dlen << 1) + 1, sizeof(uint8_t));
if (hexstr == NULL) {
PrintAndLogEx(WARNING, "failed to allocate memory");
return PM3_EMALLOC;
}
hex_to_buffer((uint8_t *)hexstr, data, dlen, (dlen << 1), 0, 0, true);
PrintAndLogEx(INFO, "ISO7816-3 ATR... " _YELLOW_("%s"), sprint_hex(data, dlen));
PrintAndLogEx(INFO, "Fingerprint...");
char *copy = str_dup(getAtrInfo(hexstr));
char * token = strtok(copy, "\n");
while ( token != NULL ) {
PrintAndLogEx(INFO, " %s", token);
token = strtok(NULL, "\n");
}
free(copy);
return PM3_SUCCESS;
}
static command_t CommandTable[] = {
{"help", CmdHelp, AlwaysAvailable, "This help"},
@ -3449,11 +3495,12 @@ static command_t CommandTable[] = {
{"getbitstream", CmdGetBitStream, AlwaysAvailable, "Convert GraphBuffer's >=1 values to 1 and <1 to 0"},
{"-----------", CmdHelp, AlwaysAvailable, "------------------------- " _CYAN_("General") "-------------------------"},
{"asn1", CmdAsn1Decoder, AlwaysAvailable, "asn1 decoder"},
{"asn1", CmdAsn1Decoder, AlwaysAvailable, "ASN1 decoder"},
{"atr", CmdAtrLookup, AlwaysAvailable, "ATR lookup"},
{"bin2hex", Cmdbin2hex, AlwaysAvailable, "Converts binary to hexadecimal"},
{"bitsamples", CmdBitsamples, IfPm3Present, "Get raw samples as bitstring"},
{"clear", CmdBuffClear, AlwaysAvailable, "Clears bigbuf on deviceside and graph window"},
{"diff", CmdDiff, AlwaysAvailable, "diff of input files"},
{"diff", CmdDiff, AlwaysAvailable, "Diff of input files"},
{"hexsamples", CmdHexsamples, IfPm3Present, "Dump big buffer as hex bytes"},
{"hex2bin", Cmdhex2bin, AlwaysAvailable, "Converts hexadecimal to binary"},
{"load", CmdLoad, AlwaysAvailable, "Load contents of file into graph window"},