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added new command 'data ndef' - for easy decoding of NDEF messages inside pm3 client

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iceman1001 2020-03-31 15:33:07 +02:00
commit 6eb36c5438
1 changed files with 32 additions and 0 deletions
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32
client/cmddata.c
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@ -26,6 +26,8 @@
#include "loclass/cipherutils.h" // for decimating samples in getsamples
#include "cmdlfem4x.h" // askem410xdecode
#include "fileutils.h" // searchFile
#include "mifare/ndef.h"
#include "cliparser/cliparser.h"
uint8_t DemodBuffer[MAX_DEMOD_BUF_LEN];
size_t DemodBufferLen = 0;
@ -2289,6 +2291,35 @@ static int CmdDataIIR(const char *Cmd) {
return PM3_SUCCESS;
}
static int CmdDataNDEF(const char *Cmd) {
#ifndef MAX_NDEF_LEN
#define MAX_NDEF_LEN 2048
#endif
CLIParserInit("data ndef",
"Prints NFC Data Exchange Format (NDEF)",
"Usage:\n\tdata ndef -d 9101085402656e48656c6c6f5101085402656e576f726c64\n");
void *argtable[] = {
arg_param_begin,
arg_strx0("dD", "data", "<hex>", "NDEF data to decode"),
arg_param_end
};
CLIExecWithReturn(Cmd, argtable, true);
int datalen = 0;
uint8_t data[MAX_NDEF_LEN] = {0};
CLIGetHexWithReturn(1, data, &datalen);
CLIParserFree();
PrintAndLogEx(NORMAL, "ice: %s", sprint_hex(data, datalen));
NDEFDecodeAndPrint(data, datalen, true);
return PM3_SUCCESS;
}
static command_t CommandTable[] = {
{"help", CmdHelp, AlwaysAvailable, "This help"},
{"askedgedetect", CmdAskEdgeDetect, AlwaysAvailable, "[threshold] Adjust Graph for manual ASK demod using the length of sample differences to detect the edge of a wave (use 20-45, def:25)"},
@ -2327,6 +2358,7 @@ static command_t CommandTable[] = {
{"undec", CmdUndec, AlwaysAvailable, "Un-decimate samples by 2"},
{"zerocrossings", CmdZerocrossings, AlwaysAvailable, "Count time between zero-crossings"},
{"iir", CmdDataIIR, AlwaysAvailable, "apply IIR buttersworth filter on plotdata"},
{"ndef", CmdDataNDEF, AlwaysAvailable, "Decode NDEF records"},
{NULL, NULL, NULL, NULL}
};