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Add write support to nfc-emulate-forum-tag4.

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This commit is contained in:
Romain Tartiere 2011-03-12 15:01:04 +00:00
parent 7b95a8a487
commit 03913708db
1 changed files with 28 additions and 34 deletions
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62
examples/nfc-emulate-forum-tag4.c
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@ -85,34 +85,17 @@ struct nfcforum_tag4 {
uint8_t nfcforum_capability_container[] = {
0x00, 0x0F, /* CCLEN 15 bytes */
0x10, /* Mapping version 1.0 */
0x00, 0xFF, /* MLe Maximum R-ADPU data size */
0x00, 0xFF, /* MLc Maximum C-ADPU data size */
0x00, 0x2F, /* MLe Maximum R-ADPU data size */
0x00, 0x2F, /* MLc Maximum C-ADPU data size */
0x04, /* T field of the NDEF File-Control TLV */
0x06, /* L field of the NDEF File-Control TLV */
/* V field of the NDEF File-Control TLV */
0xE1, 0x04, /* File identifier */
0x00, 0xFE, /* Maximum NDEF Size */
0xFF, 0xFE, /* Maximum NDEF Size */
0x00, /* NDEF file read access condition */
/* TODO Add write support */
0xFF, /* NDEF file write access condition */
0x00, /* NDEF file write access condition */
};
uint8_t nfcforum_capability_container_2_0[] = {
0x00, 0x0F, /* CCLEN 15 bytes */
0x20, /* Mapping version 2.0 */
0x00, 0xFF, /* MLe Maximum R-ADPU data size */
0x00, 0xFF, /* MLc Maximum C-ADPU data size */
0x04, /* T field of the NDEF File-Control TLV */
0x06, /* L field of the NDEF File-Control TLV */
/* V field of the NDEF File-Control TLV */
0xE1, 0x04, /* File identifier */
0x00, 0xFE, /* Maximum NDEF Size */
0x00, /* NDEF file read access condition */
/* TODO Add write support */
0xFF, /* NDEF file write access condition */
};
/* C-ADPU offsets */
#define CLA 0
#define INS 1
@ -213,7 +196,11 @@ nfcforum_tag4_io (struct nfc_emulator *emulator, const byte_t *data_in, const si
break;
case ISO7816_UPDATE_BINARY:
return -ENOTSUP;
memcpy (data->ndef_file + (data_in[P1] << 8) + data_in[P2], data_in + DATA, data_in[LC]);
if ((data_in[P1] << 8) + data_in[P2] == 0) {
data->ndef_file_len = (data->ndef_file[0] << 8) + data->ndef_file[1] + 2;
}
memcpy (data_out, "\x90\x00", res = 2);
break;
default: // Unknown
if (!quiet_output) {
@ -321,9 +308,6 @@ ndef_message_load (char *filename, struct nfcforum_tag4 *tag_data)
errx (EXIT_FAILURE, "file size too large '%s'", filename);
}
if (!(tag_data->ndef_file = malloc (sb.st_size + 2)))
err (EXIT_FAILURE, "malloc");
tag_data->ndef_file_len = sb.st_size + 2;
tag_data->ndef_file[0] = (uint8_t)(sb.st_size >> 8);
@ -345,11 +329,10 @@ ndef_message_save (char *filename, struct nfcforum_tag4 *tag_data)
{
FILE *F;
if (!(F= fopen (filename, "w")))
return 0;
err (EXIT_FAILURE, "fopen (%s, w)", filename);
if (1 != fwrite (tag_data->ndef_file + 2, tag_data->ndef_file_len - 2, 1, F)) {
fclose (F);
return 0;
err (EXIT_FAILURE, "fwrite (%lu)", tag_data->ndef_file_len -2);
}
fclose (F);
@ -357,6 +340,12 @@ ndef_message_save (char *filename, struct nfcforum_tag4 *tag_data)
return tag_data->ndef_file_len - 2;
}
void
usage (char *progname)
{
fprintf (stderr, "usage: %s [infile [outfile]]\n", progname);
}
int
main (int argc, char *argv[])
{
@ -377,7 +366,7 @@ main (int argc, char *argv[])
},
};
uint8_t ndef_file[] = {
uint8_t ndef_file[0xfffe] = {
0x00, 33,
0xd1, 0x02, 0x1c, 0x53, 0x70, 0x91, 0x01, 0x09, 0x54, 0x02,
0x65, 0x6e, 0x4c, 0x69, 0x62, 0x6e, 0x66, 0x63, 0x51, 0x01,
@ -387,7 +376,7 @@ main (int argc, char *argv[])
struct nfcforum_tag4 nfcforum_tag4_data = {
.ndef_file = ndef_file,
.ndef_file_len = sizeof (ndef_file),
.ndef_file_len = ndef_file[1] + 2,
.current_file = NONE,
};
@ -397,8 +386,13 @@ main (int argc, char *argv[])
.data = &nfcforum_tag4_data,
};
if (argc > 3) {
usage (argv[0]);
exit (EXIT_FAILURE);
}
// If some file is provided load it
if (argc == 2) {
if (argc >= 2) {
if (!ndef_message_load (argv[1], &nfcforum_tag4_data)) {
err (EXIT_FAILURE, "Can't load NDEF file '%s'", argv[1]);
}
@ -421,9 +415,9 @@ main (int argc, char *argv[])
nfc_disconnect(pnd);
if (argc == 2) {
if (!(ndef_message_save (argv[1], &nfcforum_tag4_data))) {
err (EXIT_FAILURE, "Can't load NDEF file '%s'", argv[1]);
if (argc == 3) {
if (!(ndef_message_save (argv[2], &nfcforum_tag4_data))) {
err (EXIT_FAILURE, "Can't save NDEF file '%s'", argv[2]);
}
}