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mifare-classic-write-ndef could use file as NDEF content

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(BTW, stdin as input is not yet implemented, any contributions are welcome.)
This commit is contained in:
Romuald Conty 2011-10-11 22:24:26 +00:00
parent 060078012f
commit 8dd46350de
1 changed files with 67 additions and 4 deletions
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71
examples/mifare-classic-write-ndef.c
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@ -17,11 +17,14 @@
* $Id$
*/
#include "config.h"
#include <err.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <unistd.h>
#include <nfc/nfc.h>
@ -49,13 +52,15 @@ const MifareClassicKey default_keyb = {
0xd3, 0xf7, 0xd3, 0xf7, 0xd3, 0xf7
};
const uint8_t ndef_msg[33] = {
const uint8_t ndef_default_msg[33] = {
0xd1, 0x02, 0x1c, 0x53, 0x70, 0x91, 0x01, 0x09,
0x54, 0x02, 0x65, 0x6e, 0x4c, 0x69, 0x62, 0x6e,
0x66, 0x63, 0x51, 0x01, 0x0b, 0x55, 0x03, 0x6c,
0x69, 0x62, 0x6e, 0x66, 0x63, 0x2e, 0x6f, 0x72,
0x67
};
uint8_t *ndef_msg;
size_t ndef_msg_len;
int
search_sector_key (MifareTag tag, MifareClassicSectorNumber sector, MifareClassicKey *key, MifareClassicKeyType *key_type)
@ -111,6 +116,14 @@ fix_mad_trailer_block (nfc_device_t *device, MifareTag tag, MifareClassicSectorN
return 0;
}
void
usage(char *progname)
{
fprintf (stderr, "usage: %s -i FILE\n", progname);
fprintf (stderr, "\nOptions:\n");
fprintf (stderr, " -i Use FILE as NDEF message to write on card\n");
}
int
main(int argc, char *argv[])
{
@ -120,8 +133,58 @@ main(int argc, char *argv[])
Mad mad;
MifareClassicKey transport_key = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
(void)argc;
(void)argv;
int ch;
char *ndef_input = NULL;
while ((ch = getopt (argc, argv, "hi:")) != -1) {
switch (ch) {
case 'h':
usage(argv[0]);
exit (EXIT_SUCCESS);
break;
case 'i':
ndef_input = optarg;
break;
case '?':
if (optopt == 'i')
fprintf (stderr, "Option -%c requires an argument.\n", optopt);
default:
usage (argv[0]);
exit (EXIT_FAILURE);
}
}
if (ndef_input == NULL) {
ndef_msg = (uint8_t*)ndef_default_msg;
ndef_msg_len = sizeof(ndef_default_msg);
} else {
FILE* ndef_stream = NULL;
if ((strlen (ndef_input) == 1) && (ndef_input[0] == '-')) {
// FIXME stdin as input have to be readed and buffered in ndef_msg
ndef_stream = stdin;
fprintf (stderr, "stdin as NDEF is not implemented");
exit (EXIT_FAILURE);
} else {
ndef_stream = fopen(ndef_input, "rb");
if (!ndef_stream) {
fprintf (stderr, "Could not open file %s.\n", ndef_input);
exit (EXIT_FAILURE);
}
fseek(ndef_stream, 0L, SEEK_END);
ndef_msg_len = ftell(ndef_stream);
fseek(ndef_stream, 0L, SEEK_SET);
if (!(ndef_msg = malloc (ndef_msg_len))) {
err (EXIT_FAILURE, "malloc");
}
if (fread (ndef_msg, 1, ndef_msg_len, ndef_stream) != ndef_msg_len) {
fprintf (stderr, "Could not read NDEF from file: %s\n", ndef_input);
fclose (ndef_stream);
exit (EXIT_FAILURE);
}
fclose (ndef_stream);
}
}
printf ("NDEF file is %zu bytes long.\n", ndef_msg_len);
struct mifare_classic_key_and_type *card_write_keys;
if (!(card_write_keys = malloc (40 * sizeof (*card_write_keys)))) {
@ -219,7 +282,7 @@ main(int argc, char *argv[])
}
size_t encoded_size;
uint8_t *tlv_data = tlv_encode (3, ndef_msg, sizeof (ndef_msg), &encoded_size);
uint8_t *tlv_data = tlv_encode (3, ndef_msg, ndef_msg_len, &encoded_size);
/*
* At his point, we should have collected all information needed to