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comparison simtool/grcard2ki.c @ 96:a5cfe5135701

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simtool: grcard2.c split into grcard2ki.c and grcard2pins.c
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 05 May 2021 03:55:23 +0000
parents simtool/grcard2.c@4ebd67176b73
children 9f1cc3174e45
comparison
equal deleted inserted replaced
95:c06c0e2da24c 96:a5cfe5135701
1 /*
2 * This module implements special commands for the grcard.cn card model
3 * which is known in the Osmocom community as GrcardSIM2:
4 *
5 * https://osmocom.org/projects/cellular-infrastructure/wiki/GrcardSIM2
6 *
7 * FreeCalypso Community SIM model FCSIM1 is GrcardSIM2, and so are
8 * historical sysmoSIM-GR2 and 30C3 cards.
9 */
10
11 #include <sys/types.h>
12 #include <stdio.h>
13 #include "simresp.h"
14 #include "curfile.h"
15 #include "file_id.h"
16
17 static
18 select_ef_weki()
19 {
20 int rc;
21
22 rc = select_op(DF_GSM);
23 if (rc < 0)
24 return(rc);
25 rc = select_op(0x0001); /* proprietary EF */
26 if (rc < 0)
27 return(rc);
28 rc = parse_ef_select_response();
29 if (rc < 0)
30 return(rc);
31 if (curfile_structure != 0x00 || curfile_total_size != 35) {
32 fprintf(stderr,
33 "error: EF_WEKI is not a transparent EF of 35 bytes\n");
34 return(-1);
35 }
36 return(0);
37 }
38
39 cmd_grcard2_set_comp128(argc, argv)
40 char **argv;
41 {
42 int rc;
43 unsigned code;
44 u_char magic_byte;
45
46 if (argv[1][0] < '1' || argv[1][0] > '3' || argv[1][1]) {
47 fprintf(stderr, "error: invalid argument\n");
48 return(-1);
49 }
50 code = argv[1][0] - '1';
51 rc = select_ef_weki();
52 if (rc < 0)
53 return(rc);
54 rc = readbin_op(2, 1);
55 if (rc < 0)
56 return(rc);
57 magic_byte = sim_resp_data[0];
58 magic_byte &= 0xFC;
59 magic_byte |= code;
60 return update_bin_op(2, &magic_byte, 1);
61 }
62
63 cmd_grcard2_set_ki(argc, argv)
64 char **argv;
65 {
66 u_char ki[16];
67 int rc;
68
69 rc = decode_hex_data_from_string(argv[1], ki, 16, 16);
70 if (rc < 0)
71 return(rc);
72 rc = select_ef_weki();
73 if (rc < 0)
74 return(rc);
75 return update_bin_op(3, ki, 16);
76 }