FreeCalypso > hg > fc-sim-tools
annotate utils/sws-card-lookup.c @ 27:ca8a6f95826a
implemented sws-card-lookup and underlying libutil functions
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Tue, 16 Mar 2021 23:22:37 +0000 |
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children | fa81221ac9b6 |
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27
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1 /* |
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2 * This program is a simple command line utility for looking up a card |
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3 * in sws-card-db (database generated with sws-email2db) by either |
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4 * ICCID or IMSI and retrieving other associated database fields. |
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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 <stdio.h> |
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9 #include <stdlib.h> |
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10 #include <string.h> |
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11 #include <strings.h> |
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12 #include "../libutil/dbread.h" |
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13 |
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14 static char sws_card_db_file[] = "/opt/freecalypso/sim-data/sws-card-db"; |
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15 |
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16 static char *match_key, match_value[20]; |
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17 static struct dbread_state dbs; |
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18 |
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19 static void |
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20 preen_iccid(arg) |
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21 char *arg; |
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22 { |
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23 u_char nibbles[19]; |
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24 |
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25 if (parse_decimal_shorthand(arg, nibbles, 19) < 0) |
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26 exit(1); /* error msg already printed */ |
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27 if (nibbles[18] != compute_iccid_luhn(nibbles)) { |
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28 fprintf(stderr, "error: Luhn check digit mismatch\n"); |
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29 exit(1); |
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30 } |
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31 nibbles_to_ascii(nibbles, 19, match_value); |
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32 } |
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33 |
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34 static void |
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35 preen_imsi(arg) |
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36 char *arg; |
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37 { |
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38 u_char nibbles[15]; |
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39 |
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40 if (parse_decimal_shorthand(arg, nibbles, 15) < 0) |
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41 exit(1); /* error msg already printed */ |
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42 nibbles_to_ascii(nibbles, 15, match_value); |
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43 } |
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44 |
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45 static void |
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46 lookup_one_key(key) |
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47 char *key; |
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48 { |
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49 char *val; |
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50 |
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51 val = dbread_find_key(&dbs, key); |
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52 if (!val) { |
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53 fprintf(stderr, "error: card record has no %s field\n", key); |
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54 exit(1); |
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55 } |
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56 puts(val); |
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57 } |
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58 |
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59 static void |
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60 lookup_mult_keys(keys) |
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61 char **keys; |
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62 { |
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63 char *key, *val; |
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64 |
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65 for (; *keys; keys++) { |
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66 key = *keys; |
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67 val = dbread_find_key(&dbs, key); |
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68 if (val) |
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69 printf("%s=%s\n", key, val); |
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70 } |
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71 } |
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72 |
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73 main(argc, argv) |
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74 char **argv; |
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75 { |
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76 int rc; |
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77 |
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78 if (argc < 4) { |
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79 fprintf(stderr, |
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80 "usage: %s {iccid|imsi} card-number retrieve-key\n", |
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81 argv[0]); |
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82 exit(1); |
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83 } |
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84 match_key = argv[1]; |
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85 if (!strcmp(match_key, "iccid")) |
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86 preen_iccid(argv[2]); |
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87 else if (!strcmp(match_key, "imsi")) |
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88 preen_imsi(argv[2]); |
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89 else { |
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90 fprintf(stderr, "error: look-up key must be iccid or imsi\n"); |
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91 exit(1); |
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92 } |
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93 rc = dbread_find_record(sws_card_db_file, &dbs, match_key, match_value); |
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94 if (rc < 0) |
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95 exit(1); /* error msg already printed */ |
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96 if (argc == 4) |
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97 lookup_one_key(argv[3]); |
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98 else |
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99 lookup_mult_keys(argv + 3); |
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100 exit(0); |
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101 } |