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annotate simtool/dumpdir.c @ 1:2071b28cd0c7

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simtool: first refactored version
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 11 Feb 2021 23:04:28 +0000
parents
children ce189c97b7b1
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1
2071b28cd0c7 simtool: first refactored version
Mychaela Falconia <falcon@freecalypso.org>
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1 /*
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2 * This module implements the dump of EF_DIR.
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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 <stdio.h>
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7 #include <stdlib.h>
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8 #include "simresp.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 check_all_blank()
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14 {
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15 u_char *dp, *endp;
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16
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17 dp = sim_resp_data;
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18 endp = sim_resp_data + sim_resp_data_len;
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19 while (dp < endp)
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20 if (*dp++ != 0xFF)
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21 return(0);
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22 return(1);
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23 }
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24
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25 static void
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26 dump_aid(tlv)
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27 u_char *tlv;
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28 {
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29 unsigned reclen, n;
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30
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31 reclen = tlv[1];
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32 printf(" AID:");
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33 for (n = 0; n < reclen; n++)
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34 printf(" %02X", tlv[n+2]);
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35 putchar('\n');
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36 }
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37
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38 static void
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39 dump_label(tlv)
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40 u_char *tlv;
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41 {
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42 int rc;
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43 unsigned textlen;
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44
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45 printf(" Label: ");
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46 rc = validate_alpha_field(tlv + 2, tlv[1], &textlen);
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47 if (rc < 0) {
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48 printf("malformed\n");
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49 return;
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50 }
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51 print_alpha_field(tlv + 2, textlen, stdout);
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52 putchar('\n');
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53 }
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54
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55 static void
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56 dump_unknown_tlv(tlv)
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57 u_char *tlv;
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58 {
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59 unsigned reclen, n;
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60
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61 reclen = tlv[1] + 2;
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62 printf(" TLV:");
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63 for (n = 0; n < reclen; n++)
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64 printf(" %02X", tlv[n]);
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65 putchar('\n');
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66 }
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67
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68 static void
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69 dump_record(recno)
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70 unsigned recno;
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71 {
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72 unsigned totlen, reclen;
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73 u_char *dp, *endp;
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74
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75 printf("Record #%u:\n", recno);
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76 if (sim_resp_data[0] != 0x61) {
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77 printf(" bad: first byte != 0x61\n");
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78 return;
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79 }
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80 totlen = sim_resp_data[1];
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81 if (totlen < 3 || totlen > 0x7F) {
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82 printf(" bad: global length byte 0x%02X is invalid\n", totlen);
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83 return;
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84 }
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85 if (totlen + 2 > sim_resp_data_len) {
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86 printf(" bad: TLV global length exceeds EF record length\n");
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87 return;
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88 }
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89 dp = sim_resp_data + 2;
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90 endp = sim_resp_data + 2 + totlen;
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91 while (dp < endp) {
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92 if (endp - dp < 2) {
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93 trunc_error: printf(" bad: truncated TLV record\n");
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94 return;
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95 }
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96 if ((dp[0] & 0x1F) == 0x1F) {
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97 printf(" bad: extended tag not supported\n");
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98 return;
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99 }
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100 if (dp[1] & 0x80) {
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101 printf(" bad: extended length not supported\n");
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102 return;
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103 }
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104 reclen = dp[1] + 2;
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105 if (endp - dp < reclen)
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106 goto trunc_error;
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107 switch (dp[0]) {
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108 case 0x4F:
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109 dump_aid(dp);
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110 break;
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111 case 0x50:
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112 dump_label(dp);
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113 break;
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114 default:
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115 dump_unknown_tlv(dp);
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116 }
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117 dp += reclen;
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118 }
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119 }
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120
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121 cmd_uicc_dir()
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122 {
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123 int rc;
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124 unsigned recno;
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125
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126 rc = select_op(FILEID_MF);
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127 if (rc < 0)
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128 return(rc);
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129 rc = select_op(EF_DIR);
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130 if (rc < 0)
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131 return(rc);
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132 rc = parse_ef_select_response();
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133 if (rc < 0)
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134 return(rc);
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135 if (curfile_structure != 0x01) {
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136 fprintf(stderr, "error: EF_DIR is not linear fixed\n");
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137 return(-1);
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138 }
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139 if (curfile_record_len < 5) {
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140 fprintf(stderr, "error: EF_DIR record length is too short\n");
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141 return(-1);
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142 }
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143 for (recno = 1; recno <= curfile_record_count; recno++) {
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144 rc = readrec_op(recno, 0x04, curfile_record_len);
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145 if (rc < 0)
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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146 return(rc);
2071b28cd0c7 simtool: first refactored version
Mychaela Falconia <falcon@freecalypso.org>
parents:
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147 if (check_all_blank())
2071b28cd0c7 simtool: first refactored version
Mychaela Falconia <falcon@freecalypso.org>
parents:
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148 continue;
2071b28cd0c7 simtool: first refactored version
Mychaela Falconia <falcon@freecalypso.org>
parents:
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149 dump_record(recno);
2071b28cd0c7 simtool: first refactored version
Mychaela Falconia <falcon@freecalypso.org>
parents:
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150 }
2071b28cd0c7 simtool: first refactored version
Mychaela Falconia <falcon@freecalypso.org>
parents:
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151 return(0);
2071b28cd0c7 simtool: first refactored version
Mychaela Falconia <falcon@freecalypso.org>
parents:
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152 }