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comparison simtool/hlread.c @ 96:a5dfab380a90

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fc-simtool: iccid high-level read command implemented
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 24 Jan 2021 22:11:34 +0000
parents
children 597c4e87a1f4
comparison
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95:5f826e428641 96:a5dfab380a90
1 /*
2 * This module implements some high-level or user-friendly read commands.
3 */
4
5 #include <sys/types.h>
6 #include <stdio.h>
7 #include <stdlib.h>
8 #include <pcsclite.h>
9 #include <winscard.h>
10 #include "globals.h"
11 #include "file_id.h"
12
13 encode_hex_digit(d)
14 unsigned d;
15 {
16 if (d <= 9)
17 return(d + '0');
18 else
19 return(d - 10 + 'A');
20 }
21
22 decode_reversed_nibbles(bytes, nbytes, dest)
23 u_char *bytes;
24 unsigned nbytes;
25 char *dest;
26 {
27 u_char *sp;
28 char *dp;
29 unsigned n, c;
30
31 sp = bytes;
32 dp = dest;
33 for (n = 0; n < nbytes; n++) {
34 c = *sp & 0xF;
35 *dp++ = encode_hex_digit(c);
36 c = *sp >> 4;
37 *dp++ = encode_hex_digit(c);
38 sp++;
39 }
40 }
41
42 cmd_iccid()
43 {
44 int rc;
45 char buf[21];
46
47 rc = select_op(FILEID_MF);
48 if (rc < 0)
49 return(rc);
50 rc = select_op(EF_ICCID);
51 if (rc < 0)
52 return(rc);
53 rc = parse_ef_select_response();
54 if (rc < 0)
55 return(rc);
56 if (curfile_structure != 0x00 || curfile_total_size != 10) {
57 fprintf(stderr, "error: expected transparent EF of 10 bytes\n");
58 return(-1);
59 }
60 rc = readbin_op(0, 10);
61 if (rc < 0)
62 return(rc);
63 decode_reversed_nibbles(sim_resp_data, 10, buf);
64 buf[20] = '\0';
65 printf("%s\n", buf);
66 return(0);
67 }