FreeCalypso > hg > fc-pcsc-tools

annotate simtool/dumpdir.c @ 5:ce189c97b7b1

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check_simresp_all_blank() factored out into libcommon
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 11 Feb 2021 23:31:51 +0000
parents 2071b28cd0c7
children 2c72709e0891
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1
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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 void
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13 dump_aid(tlv)
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14 u_char *tlv;
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15 {
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16 unsigned reclen, n;
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17
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18 reclen = tlv[1];
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19 printf(" AID:");
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20 for (n = 0; n < reclen; n++)
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21 printf(" %02X", tlv[n+2]);
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22 putchar('\n');
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23 }
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24
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25 static void
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26 dump_label(tlv)
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27 u_char *tlv;
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28 {
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29 int rc;
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30 unsigned textlen;
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31
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32 printf(" Label: ");
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33 rc = validate_alpha_field(tlv + 2, tlv[1], &textlen);
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34 if (rc < 0) {
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35 printf("malformed\n");
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36 return;
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37 }
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38 print_alpha_field(tlv + 2, textlen, stdout);
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39 putchar('\n');
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40 }
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41
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42 static void
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43 dump_unknown_tlv(tlv)
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44 u_char *tlv;
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45 {
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46 unsigned reclen, n;
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47
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48 reclen = tlv[1] + 2;
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49 printf(" TLV:");
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50 for (n = 0; n < reclen; n++)
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51 printf(" %02X", tlv[n]);
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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_record(recno)
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57 unsigned recno;
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58 {
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59 unsigned totlen, reclen;
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60 u_char *dp, *endp;
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61
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62 printf("Record #%u:\n", recno);
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63 if (sim_resp_data[0] != 0x61) {
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64 printf(" bad: first byte != 0x61\n");
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65 return;
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66 }
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67 totlen = sim_resp_data[1];
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68 if (totlen < 3 || totlen > 0x7F) {
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69 printf(" bad: global length byte 0x%02X is invalid\n", totlen);
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70 return;
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71 }
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72 if (totlen + 2 > sim_resp_data_len) {
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73 printf(" bad: TLV global length exceeds EF record length\n");
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74 return;
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75 }
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76 dp = sim_resp_data + 2;
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77 endp = sim_resp_data + 2 + totlen;
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78 while (dp < endp) {
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79 if (endp - dp < 2) {
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80 trunc_error: printf(" bad: truncated TLV record\n");
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81 return;
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82 }
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83 if ((dp[0] & 0x1F) == 0x1F) {
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84 printf(" bad: extended tag not supported\n");
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85 return;
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86 }
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87 if (dp[1] & 0x80) {
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88 printf(" bad: extended length not supported\n");
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89 return;
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90 }
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91 reclen = dp[1] + 2;
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92 if (endp - dp < reclen)
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93 goto trunc_error;
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94 switch (dp[0]) {
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95 case 0x4F:
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96 dump_aid(dp);
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97 break;
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98 case 0x50:
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99 dump_label(dp);
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100 break;
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101 default:
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102 dump_unknown_tlv(dp);
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103 }
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104 dp += reclen;
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105 }
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106 }
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107
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108 cmd_uicc_dir()
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109 {
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110 int rc;
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111 unsigned recno;
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112
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113 rc = select_op(FILEID_MF);
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114 if (rc < 0)
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115 return(rc);
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116 rc = select_op(EF_DIR);
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117 if (rc < 0)
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118 return(rc);
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119 rc = parse_ef_select_response();
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120 if (rc < 0)
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121 return(rc);
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122 if (curfile_structure != 0x01) {
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123 fprintf(stderr, "error: EF_DIR is not linear fixed\n");
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124 return(-1);
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125 }
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126 if (curfile_record_len < 5) {
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127 fprintf(stderr, "error: EF_DIR record length is too short\n");
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128 return(-1);
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129 }
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130 for (recno = 1; recno <= curfile_record_count; recno++) {
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131 rc = readrec_op(recno, 0x04, curfile_record_len);
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132 if (rc < 0)
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133 return(rc);
5
ce189c97b7b1 check_simresp_all_blank() factored out into libcommon
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134 if (check_simresp_all_blank())
1
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135 continue;
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136 dump_record(recno);
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137 }
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138 return(0);
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139 }