94bf7059b4
The COPYRIGHT file is already here and is more complete, while the VCS hold accurate information about contributors and conibution date.
149 lines
3.3 KiB
C
149 lines
3.3 KiB
C
#if defined(HAVE_CONFIG_H)
|
|
# include "config.h"
|
|
#endif
|
|
|
|
#include <ctype.h>
|
|
#include <err.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
|
|
#if defined(HAVE_SYS_ENDIAN_H)
|
|
# include <sys/endian.h>
|
|
#endif
|
|
|
|
#if defined(HAVE_ENDIAN_H)
|
|
# include <endian.h>
|
|
#endif
|
|
|
|
#if defined(HAVE_COREFOUNDATION_COREFOUNDATION_H)
|
|
# include <CoreFoundation/CoreFoundation.h>
|
|
#endif
|
|
|
|
#include <nfc/nfc.h>
|
|
|
|
#include <freefare.h>
|
|
#include "../libfreefare/freefare_internal.h"
|
|
|
|
#define NDEF_BUFFER_SIZE 512
|
|
|
|
void
|
|
usage(char *progname)
|
|
{
|
|
fprintf(stderr, "usage: %s [options]\n", progname);
|
|
fprintf(stderr, "\nAvailable options:\n");
|
|
fprintf(stderr, " -o FILE Write NDEF message to FILE\n");
|
|
}
|
|
|
|
int
|
|
main(int argc, char *argv[])
|
|
{
|
|
int error = EXIT_SUCCESS;
|
|
nfc_device *device = NULL;
|
|
FreefareTag *tags = NULL;
|
|
|
|
int ch;
|
|
char *ndef_file = NULL;
|
|
while ((ch = getopt(argc, argv, "o:")) != -1) {
|
|
switch (ch) {
|
|
case 'o':
|
|
ndef_file = optarg;
|
|
break;
|
|
case '?':
|
|
usage(argv[0]);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
}
|
|
|
|
nfc_connstring devices[8];
|
|
|
|
size_t device_count;
|
|
|
|
nfc_context *context;
|
|
nfc_init(&context);
|
|
if (context == NULL)
|
|
errx(EXIT_FAILURE, "Unable to init libnfc (malloc)");
|
|
|
|
device_count = nfc_list_devices(context, devices, 8);
|
|
if (device_count <= 0)
|
|
errx(EXIT_FAILURE, "No NFC device found.");
|
|
|
|
for (size_t d = 0; d < device_count; d++) {
|
|
device = nfc_open(context, devices[d]);
|
|
if (!device) {
|
|
warnx("nfc_open() failed.");
|
|
error = EXIT_FAILURE;
|
|
continue;
|
|
}
|
|
|
|
tags = freefare_get_tags(device);
|
|
if (!tags) {
|
|
nfc_close(device);
|
|
errx(EXIT_FAILURE, "Error listing FeliCa tag.");
|
|
}
|
|
|
|
for (int i = 0; (!error) && tags[i]; i++) {
|
|
int block = 1;
|
|
uint8_t ndef_message[NDEF_BUFFER_SIZE];
|
|
int ndef_space_left = NDEF_BUFFER_SIZE;
|
|
uint8_t *p = ndef_message;
|
|
ssize_t s;
|
|
|
|
// FIXME Instead of reading as much as we can, we should read until end of NDEF record (if any is found).
|
|
while ((ndef_space_left >= 16) && (s = felica_read(tags[i], FELICA_SC_RO, block++, p, 16)) > 0) {
|
|
p += s;
|
|
ndef_space_left -= s;
|
|
}
|
|
|
|
size_t ndef_message_length = 0;
|
|
|
|
if ((ndef_message[0] & 0x80) == 0x80) {
|
|
uint8_t *ndef_record;
|
|
do {
|
|
ndef_record = ndef_message + ndef_message_length;
|
|
|
|
size_t ndef_record_length = 1 + 1 + ndef_record[1];
|
|
size_t payload_length;
|
|
size_t payload_length_length;
|
|
|
|
if (ndef_record[0] & 0x10) {
|
|
/* Short record */
|
|
payload_length = ndef_record[2];
|
|
payload_length_length = 1;
|
|
} else {
|
|
payload_length = be32toh(*(uint32_t *)(ndef_record + 2));
|
|
payload_length_length = 4;
|
|
}
|
|
ndef_record_length += payload_length_length;
|
|
ndef_record_length += payload_length;
|
|
|
|
if (ndef_record[0] & 0x08) {
|
|
ndef_record_length += 2;
|
|
}
|
|
|
|
ndef_message_length += ndef_record_length;
|
|
if (ndef_message_length > NDEF_BUFFER_SIZE)
|
|
errx(EXIT_FAILURE, "NDEF message truncated");
|
|
|
|
} while ((ndef_record[0] & 0x40) != 0x40);
|
|
}
|
|
|
|
if (ndef_message_length == 0)
|
|
errx(EXIT_FAILURE, "No NDEF message found");
|
|
|
|
FILE *f;
|
|
if (ndef_file)
|
|
f = fopen(ndef_file, "w");
|
|
else
|
|
f = stdout;
|
|
|
|
if (fwrite(ndef_message, ndef_message_length, 1, f) != 1)
|
|
err(EXIT_FAILURE, "Can't write NDEF message");
|
|
|
|
fclose(f);
|
|
}
|
|
|
|
freefare_free_tags(tags);
|
|
nfc_close(device);
|
|
}
|
|
exit(EXIT_SUCCESS);
|
|
}
|