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annotate simtool/miscadm.c @ 181:63b640562e21

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simtool/miscadm.c: code refactoring in preparation for adding shorthand ICCID and IMSI write commands
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 06 Mar 2021 04:51:56 +0000
parents 105aa3d1a494
children f4edccd4b583
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1 /*
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2 * This module implements write-iccid and write-imsi commands,
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3 * available only in the admin programming phase after authenticating
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4 * with some card-vendor-dependent ADM key.
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5 */
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6
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7 #include <sys/types.h>
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8 #include <stdio.h>
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9 #include "curfile.h"
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10 #include "file_id.h"
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11
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12 static
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13 write_iccid_bin(binrec)
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14 u_char *binrec;
68
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15 {
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16 int rc;
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17
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18 rc = select_op(FILEID_MF);
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19 if (rc < 0)
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20 return(rc);
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21 rc = select_op(EF_ICCID);
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22 if (rc < 0)
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23 return(rc);
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24 rc = parse_ef_select_response();
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25 if (rc < 0)
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26 return(rc);
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27 if (curfile_structure != 0x00 || curfile_total_size != 10) {
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28 fprintf(stderr,
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29 "error: EF_ICCID is not a transparent EF of 10 bytes\n");
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30 return(-1);
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31 }
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32 return update_bin_op(0, binrec, 10);
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33 }
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34
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35 cmd_write_iccid(argc, argv)
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36 char **argv;
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37 {
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38 int rc;
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39 u_char nibbles[20], binrec[10];
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40
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41 rc = parse_decimal_string_arg(argv[1], nibbles, 20);
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42 if (rc < 0)
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43 return(rc);
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44 pack_reversed_nibbles(nibbles, binrec, 10);
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45 return write_iccid_bin(binrec);
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46 }
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47
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48 static
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49 write_imsi_bin(binrec)
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50 u_char *binrec;
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51 {
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52 int rc;
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53
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54 rc = select_op(DF_GSM);
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55 if (rc < 0)
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56 return(rc);
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57 rc = select_op(EF_IMSI);
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58 if (rc < 0)
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59 return(rc);
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60 rc = parse_ef_select_response();
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61 if (rc < 0)
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62 return(rc);
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63 if (curfile_structure != 0x00 || curfile_total_size != 9) {
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64 fprintf(stderr,
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65 "error: EF_IMSI is not a transparent EF of 9 bytes\n");
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66 return(-1);
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67 }
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68 return update_bin_op(0, binrec, 9);
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69 }
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70
66
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71 cmd_write_imsi(argc, argv)
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72 char **argv;
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73 {
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74 int rc;
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75 u_char nibbles[16], binrec[9];
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76 unsigned ndig;
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77
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78 rc = parse_decimal_string_arg(argv[1], nibbles + 1, 15);
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79 if (rc < 0)
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80 return(rc);
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81 ndig = rc;
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82 if (ndig & 1)
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83 nibbles[0] = 9;
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84 else
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85 nibbles[0] = 1;
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86 binrec[0] = (ndig + 2) >> 1;
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87 pack_reversed_nibbles(nibbles, binrec + 1, 8);
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88 return write_imsi_bin(binrec);
66
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89 }