annotate simtool/smserase.c @ 195:810ea92d9f47

doc/GrcardSIM2-security-model: grammar fix
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 07 Mar 2021 01:55:29 +0000
parents 10030acba82f
children
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1 /*
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2 * This module implements the sms-erase family of commands.
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3 */
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4
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5 #include <sys/types.h>
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6 #include <string.h>
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7 #include <strings.h>
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8 #include <stdio.h>
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9 #include <stdlib.h>
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10 #include "curfile.h"
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11 #include "file_id.h"
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12
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13 #define SMS_RECORD_LEN 176
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14
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15 static
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16 select_ef_sms()
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17 {
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18 int rc;
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19
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20 rc = select_op(DF_TELECOM);
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21 if (rc < 0)
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22 return(rc);
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23 rc = select_op(EF_SMS);
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24 if (rc < 0)
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25 return(rc);
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26 rc = parse_ef_select_response();
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27 if (rc < 0)
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28 return(rc);
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29 if (curfile_structure != 0x01) {
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30 fprintf(stderr, "error: EF_SMS is not linear fixed\n");
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31 return(-1);
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32 }
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33 if (curfile_record_len != SMS_RECORD_LEN) {
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34 fprintf(stderr,
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35 "error: EF_SMS has record length of %u bytes, expected 176\n",
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36 curfile_record_len);
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37 return(-1);
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38 }
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39 return(0);
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40 }
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41
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42 cmd_sms_erase_all(argc, argv)
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43 char **argv;
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44 {
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45 int rc;
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46 unsigned recno;
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47 u_char record[SMS_RECORD_LEN];
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48
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49 rc = select_ef_sms();
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50 if (rc < 0)
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51 return(rc);
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52 memset(record, 0xFF, SMS_RECORD_LEN);
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53 record[0] = 0;
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54 for (recno = 1; recno <= curfile_record_count; recno++) {
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55 rc = update_rec_op(recno, 0x04, record, SMS_RECORD_LEN);
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56 if (rc < 0)
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57 return(rc);
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58 }
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59 return(0);
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60 }
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61
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62 cmd_sms_erase_one(argc, argv)
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63 char **argv;
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64 {
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65 int rc;
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66 unsigned recno;
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67 u_char record[SMS_RECORD_LEN];
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68
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69 rc = select_ef_sms();
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70 if (rc < 0)
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71 return(rc);
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72 recno = strtoul(argv[1], 0, 0);
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73 if (recno < 1 || recno > curfile_record_count) {
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74 fprintf(stderr, "error: specified record number is invalid\n");
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75 return(-1);
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76 }
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77 memset(record, 0xFF, SMS_RECORD_LEN);
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78 record[0] = 0;
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79 return update_rec_op(recno, 0x04, record, SMS_RECORD_LEN);
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80 }
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81
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82 cmd_sms_erase_range(argc, argv)
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83 char **argv;
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84 {
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85 int rc;
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86 unsigned recno, startrec, endrec;
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87 u_char record[SMS_RECORD_LEN];
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88
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89 rc = select_ef_sms();
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90 if (rc < 0)
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91 return(rc);
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92 startrec = strtoul(argv[1], 0, 0);
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93 if (startrec < 1 || startrec > curfile_record_count) {
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94 fprintf(stderr,
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95 "error: specified starting record number is invalid\n");
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96 return(-1);
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97 }
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98 if (!strcmp(argv[2], "end"))
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99 endrec = curfile_record_count;
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100 else {
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101 endrec = strtoul(argv[2], 0, 0);
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102 if (endrec < 1 || endrec > curfile_record_count) {
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103 fprintf(stderr,
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104 "error: specified final record number is invalid\n");
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105 return(-1);
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106 }
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107 if (startrec > endrec) {
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108 fprintf(stderr,
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109 "error: reverse record range specified\n");
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110 return(-1);
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111 }
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112 }
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113 memset(record, 0xFF, SMS_RECORD_LEN);
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114 record[0] = 0;
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115 for (recno = startrec; recno <= endrec; recno++) {
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116 rc = update_rec_op(recno, 0x04, record, SMS_RECORD_LEN);
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117 if (rc < 0)
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118 return(rc);
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119 }
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120 return(0);
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121 }