FreeCalypso > hg > fc-sim-tools

annotate libutil/alpha_fromfile.c @ 93:6041c601304d

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fcsim1-mkprov: revert OTA key addition It appears that GrcardSIM2 cards (which is what we got for FCSIM1) do not support OTA after all, contrary to what we were previously led to believe by some tech support emails from Grcard - apparently those support emails and OTA descriptions referred to some other card model(s).
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 21 Apr 2021 05:38:39 +0000
parents 4c475732660b
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
8
34bbb0585cab libutil: import from previous fc-pcsc-tools version
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1 /*
34bbb0585cab libutil: import from previous fc-pcsc-tools version
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2 * This module implements functions for parsing alpha tag strings
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3 * from input data files, to be used by commands like pb-update
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4 * and smsp-restore.
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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 <ctype.h>
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9 #include <stdio.h>
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10
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11 extern u_char gsm7_encode_table[256];
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12
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13 char *
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14 alpha_from_file_qstring(cp, record, maxlen, filename_for_errs, lineno_for_errs)
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15 char *cp, *filename_for_errs;
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16 u_char *record;
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17 unsigned maxlen;
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18 {
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19 unsigned acclen, nadd;
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20 int c;
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21
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22 for (acclen = 0; ; ) {
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23 if (*cp == '\0') {
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24 unterm_qstring: fprintf(stderr,
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25 "%s line %d: unterminated quoted string\n",
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26 filename_for_errs, lineno_for_errs);
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27 return(0);
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28 }
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29 if (*cp == '"')
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30 break;
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31 c = *cp++;
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32 if (c == '\\') {
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33 if (*cp == '\0')
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34 goto unterm_qstring;
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35 c = *cp++;
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36 if (c >= '0' && c <= '7' && isxdigit(*cp)) {
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37 c = ((c - '0') << 4) | decode_hex_digit(*cp++);
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38 goto bypass_encoding;
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39 }
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40 switch (c) {
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41 case 'n':
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42 c = '\n';
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43 goto bypass_encoding;
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44 case 'r':
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45 c = '\r';
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46 goto bypass_encoding;
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47 case 'e':
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48 c = 0x1B;
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49 goto bypass_encoding;
69
4c475732660b accept \E for Euro when reading from files too
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50 case 'E': /* Euro currency symbol */
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51 c = 0xE5;
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52 goto bypass_encoding;
8
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53 case '"':
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54 case '\\':
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55 break;
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56 default:
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57 fprintf(stderr,
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58 "%s line %d: non-understood backslash escape\n",
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59 filename_for_errs, lineno_for_errs);
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60 return(0);
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61 }
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62 }
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63 c = gsm7_encode_table[c];
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64 if (c == 0xFF) {
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65 fprintf(stderr,
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66 "%s line %d: character in quoted string cannot be encoded in GSM7\n",
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67 filename_for_errs, lineno_for_errs);
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68 return(0);
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69 }
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70 bypass_encoding:
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71 if (c & 0x80)
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72 nadd = 2;
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73 else
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74 nadd = 1;
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75 if (acclen + nadd > maxlen) {
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76 fprintf(stderr,
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77 "%s line %d: alpha tag string is longer than SIM limit\n",
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78 filename_for_errs, lineno_for_errs);
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79 return(0);
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80 }
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81 if (c & 0x80)
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82 record[acclen++] = 0x1B;
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83 record[acclen++] = c & 0x7F;
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84 }
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85 return(cp + 1);
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86 }
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87
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88 char *
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89 alpha_from_file_hex(cp, record, maxlen, filename_for_errs, lineno_for_errs)
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90 char *cp, *filename_for_errs;
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91 u_char *record;
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92 unsigned maxlen;
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93 {
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94 unsigned acclen;
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95
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96 for (acclen = 0; ; ) {
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97 if (!isxdigit(cp[0]) || !isxdigit(cp[1]))
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98 break;
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99 if (acclen >= maxlen) {
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100 fprintf(stderr,
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101 "%s line %d: alpha tag string is longer than SIM limit\n",
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102 filename_for_errs, lineno_for_errs);
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103 return(0);
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104 }
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105 record[acclen++] = (decode_hex_digit(cp[0]) << 4) |
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106 decode_hex_digit(cp[1]);
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107 cp += 2;
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108 }
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109 return(cp);
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110 }