FreeCalypso > hg > fc-sim-tools
annotate libutil/number_encode.c @ 99:97ba63d9361a
scripts/fcsim1-sst: turn off STK & OTA services
In the initial unprogrammed state of the cards from Grcard, SST has
services 25 through 29 set to allocated and activated. However,
these cards appear to not actually support OTA, ENVELOPE commands
do nothing (just return SW 9000), and they were never observed
issuing any proactive SIM commands, even after a feature-generous
TERMINAL PROFILE. Therefore, let's list these STK & OTA services
as allocated, but not activated in our FCSIM1 SST.
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Wed, 05 May 2021 04:26:07 +0000 |
parents | 34bbb0585cab |
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rev | line source |
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1 /* |
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2 * This module implements functions for encoding phone numbers. |
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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 <ctype.h> |
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7 #include <stdio.h> |
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8 #include <stdlib.h> |
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9 |
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10 digit_char_to_gsm(ch) |
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11 { |
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12 switch (ch) { |
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13 case '0': |
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14 case '1': |
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15 case '2': |
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16 case '3': |
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17 case '4': |
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18 case '5': |
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19 case '6': |
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20 case '7': |
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21 case '8': |
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22 case '9': |
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23 return (ch - '0'); |
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24 case '*': |
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25 return 0xA; |
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26 case '#': |
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27 return 0xB; |
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28 case 'a': |
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29 case 'b': |
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30 case 'c': |
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31 return (ch - 'a' + 0xC); |
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32 case 'A': |
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33 case 'B': |
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34 case 'C': |
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35 return (ch - 'A' + 0xC); |
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36 } |
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37 return (-1); |
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38 } |
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39 |
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40 void |
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41 pack_digit_bytes(digits, dest, num_digit_bytes) |
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42 u_char *digits, *dest; |
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43 unsigned num_digit_bytes; |
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44 { |
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45 u_char *sp, *dp; |
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46 unsigned n; |
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47 |
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48 sp = digits; |
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49 dp = dest; |
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50 for (n = 0; n < num_digit_bytes; n++) { |
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51 *dp++ = sp[0] | (sp[1] << 4); |
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52 sp += 2; |
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53 } |
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54 } |
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55 |
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56 encode_phone_number_arg(arg, fixp, mode) |
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57 char *arg; |
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58 u_char *fixp; |
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59 { |
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60 u_char digits[20]; |
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61 unsigned ndigits, num_digit_bytes; |
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62 char *cp, *endp; |
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63 int c; |
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64 |
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65 cp = arg; |
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66 if (*cp == '+') { |
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67 fixp[1] = 0x91; |
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68 cp++; |
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69 } else |
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70 fixp[1] = 0x81; |
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71 if (digit_char_to_gsm(*cp) < 0) { |
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72 inv_arg: fprintf(stderr, "error: invalid phone number argument\n"); |
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73 return(-1); |
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74 } |
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75 for (ndigits = 0; ; ndigits++) { |
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76 c = digit_char_to_gsm(*cp); |
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77 if (c < 0) |
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78 break; |
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79 cp++; |
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80 if (ndigits >= 20) { |
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81 fprintf(stderr, "error: too many number digits\n"); |
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82 return(-1); |
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83 } |
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84 digits[ndigits] = c; |
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85 } |
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86 if (mode) |
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87 fixp[0] = ndigits; |
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88 if (ndigits & 1) |
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89 digits[ndigits++] = 0xF; |
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90 num_digit_bytes = ndigits >> 1; |
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91 if (!mode) |
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92 fixp[0] = num_digit_bytes + 1; |
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93 pack_digit_bytes(digits, fixp + 2, num_digit_bytes); |
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94 if (*cp == ',') { |
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95 cp++; |
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96 if (!isdigit(*cp)) |
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97 goto inv_arg; |
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98 fixp[1] = strtoul(cp, &endp, 0); |
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99 if (*endp) |
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100 goto inv_arg; |
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101 } else if (*cp) |
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102 goto inv_arg; |
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103 return(0); |
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104 } |