FreeCalypso > hg > fc-sim-tools
comparison simtool/grcard2ki.c @ 96:a5cfe5135701
simtool: grcard2.c split into grcard2ki.c and grcard2pins.c
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Wed, 05 May 2021 03:55:23 +0000 |
parents | simtool/grcard2.c@4ebd67176b73 |
children | 9f1cc3174e45 |
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95:c06c0e2da24c | 96:a5cfe5135701 |
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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 } |