annotate simtool/pbdump.c @ 105:b1bf0ec6fff5

fc-simtool: pb-dump: first round of bugfixes
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 25 Jan 2021 05:59:33 +0000
parents a60645b75a57
children 66f04193a906
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104
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1 /*
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2 * This module implements the pb-dump command.
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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 <pcsclite.h>
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11 #include <winscard.h>
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12 #include "globals.h"
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13
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14 static char gsm_address_digits[16] =
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15 {'0','1','2','3','4','5','6','7','8','9','*','#','a','b','c','?'};
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16
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17 static
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18 check_all_blank()
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19 {
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20 u_char *dp, *endp;
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21
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22 dp = sim_resp_data;
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23 endp = sim_resp_data + sim_resp_data_len;
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24 while (dp < endp)
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25 if (*dp++ != 0xFF)
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26 return(0);
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27 return(1);
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28 }
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29
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30 static
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31 decode_number(data, nbytes, out)
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32 u_char *data;
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33 unsigned nbytes;
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34 char *out;
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35 {
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36 u_char *dp, *endp;
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37 int c;
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38
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39 dp = data;
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40 endp = data + nbytes;
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41 while (dp < endp) {
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42 c = *dp & 0xF;
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43 if (c == 0xF)
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44 return(-1);
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45 *out++ = gsm_address_digits[c];
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46 c = *dp >> 4;
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47 if (c == 0xF) {
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48 if (dp + 1 == endp)
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49 break;
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50 else
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51 return(-1);
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52 }
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53 *out++ = gsm_address_digits[c];
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54 dp++;
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55 }
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56 *out = '\0';
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57 return(0);
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58 }
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59
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60 static
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61 check_blank_area(dp, endp)
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62 u_char *dp, *endp;
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63 {
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64 while (dp < endp)
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65 if (*dp++ != 0xFF)
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66 return(-1);
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67 return(0);
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68 }
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69
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70 static void
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71 dump_record(recno, outf)
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72 unsigned recno;
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73 FILE *outf;
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74 {
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75 int rc;
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76 unsigned textlen;
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77 u_char *fixp;
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78 char digits[21];
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79
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80 fprintf(outf, "#%u: ", recno);
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81 if (curfile_record_len > 14) {
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82 rc = validate_alpha_field(sim_resp_data,
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83 curfile_record_len - 14,
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84 &textlen);
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85 if (rc < 0) {
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86 malformed: fprintf(outf, "malformed record\n");
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87 return;
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88 }
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89 } else
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90 textlen = 0;
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91 fixp = sim_resp_data + sim_resp_data_len - 14;
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92 if (fixp[0] < 2 || fixp[0] > 11)
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93 goto malformed;
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94 rc = decode_number(fixp + 2, fixp[0] - 1, digits);
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95 if (rc < 0)
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96 goto malformed;
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97 rc = check_blank_area(fixp + 1 + fixp[0], fixp + 12);
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98 if (rc < 0)
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99 goto malformed;
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100 /* all checks passed */
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101 fprintf(outf, "%s,0x%02X ", digits, fixp[1]);
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102 if (fixp[12] != 0xFF)
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103 fprintf(outf, "CCP=%u ", fixp[12]);
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104 if (fixp[13] != 0xFF)
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105 fprintf(outf, "EXT=%u ", fixp[12]);
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106 print_alpha_field(sim_resp_data, textlen, outf);
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107 }
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108
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109 cmd_pb_dump(argc, argv)
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110 char **argv;
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111 {
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112 int rc;
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113 FILE *outf;
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114 unsigned recno;
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115
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116 rc = phonebook_op_common(argv[1]);
105
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117 if (rc < 0)
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118 return(rc);
104
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119 if (argv[2]) {
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120 outf = fopen(argv[2], "w");
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121 if (!outf) {
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122 perror(argv[2]);
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123 return(-1);
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124 }
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125 } else
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126 outf = stdout;
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127 for (recno = 1; recno <= curfile_record_count; recno++) {
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128 rc = readrec_op(recno, 0x04, curfile_record_len);
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129 if (rc < 0) {
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130 if (argv[2])
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131 fclose(outf);
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132 return(rc);
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133 }
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134 if (check_all_blank())
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135 continue;
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136 dump_record(recno, outf);
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137 }
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138 if (argv[2])
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139 fclose(outf);
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140 return(0);
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141 }