blob: c67de2f3c1a0ac133a64d5e79ec5624f85011eda (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
|
#include <stdlib.h>
#include <string.h>
#include <glib.h>
#include "vcardt.h"
#include "vcardt_internal.h"
/* create an ATR with appropriate historical bytes */
#define ATR_TS_DIRECT_CONVENTION 0x3b
#define ATR_TA_PRESENT 0x10
#define ATR_TB_PRESENT 0x20
#define ATR_TC_PRESENT 0x40
#define ATR_TD_PRESENT 0x80
unsigned char *vcard_alloc_atr(const char *postfix, int *atr_len)
{
int postfix_len;
const char prefix[] = "VCARD_";
const char default_postfix[] = "DEFAULT";
const int prefix_len = sizeof(prefix) - 1;
int total_len;
unsigned char *atr;
if (postfix == NULL) {
postfix = default_postfix;
}
postfix_len = strlen(postfix);
total_len = 3 + prefix_len + postfix_len;
atr = g_malloc(total_len);
atr[0] = ATR_TS_DIRECT_CONVENTION;
atr[1] = ATR_TD_PRESENT + prefix_len + postfix_len;
atr[2] = 0x00;
memcpy(&atr[3], prefix, prefix_len);
memcpy(&atr[3 + prefix_len], postfix, postfix_len);
if (atr_len) {
*atr_len = total_len;
}
return atr;
}
|
