FreeCalypso > hg > themwi-nanp

annotate libnumdb/readbin.c @ 3:5bf2648e5413

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themwi-update-numdb compiles in the new model
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 13 Dec 2023 02:01:24 +0000
parents 6534965175dd
children
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1 /*
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2 * This library module contains the code that reads /var/gsm/number-db2.bin,
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3 * as well as definitions of global variables into which the booty is read.
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4 */
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5
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6 #include <sys/types.h>
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7 #include <sys/stat.h>
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8 #include <stdio.h>
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9 #include <stdint.h>
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10 #include <stdlib.h>
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11 #include <syslog.h>
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12
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13 #include <themwi/nanp/number_db_v2.h>
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14 #include <themwi/nanp/number_lookup.h>
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15
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16 const char numdb_pathname[] = "/var/gsm/number-db2.bin";
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17 struct stat numdb_file_stat;
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18 struct numdb_file_hdr numdb_hdr;
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19 struct owned_number_rec *numdb_owned_numbers;
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20 struct short_number_rec *numdb_short_numbers;
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21
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22 int read_number_db(void)
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23 {
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24 FILE *inf;
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25
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26 inf = fopen(numdb_pathname, "r");
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27 if (!inf) {
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28 syslog(LOG_CRIT, "open %s: %m", numdb_pathname);
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29 return(-1);
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30 }
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31 fstat(fileno(inf), &numdb_file_stat);
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32 if (!S_ISREG(numdb_file_stat.st_mode)) {
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33 syslog(LOG_CRIT, "invalid %s: not a regular file",
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34 numdb_pathname);
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35 fclose(inf);
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36 return(-1);
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37 }
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38 if (fread(&numdb_hdr, sizeof numdb_hdr, 1, inf) != 1) {
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39 read_err: syslog(LOG_CRIT, "error reading from %s: %m", numdb_pathname);
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40 fclose(inf);
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41 return(-1);
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42 }
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43 if (numdb_hdr.owned_number_count) {
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44 numdb_owned_numbers = malloc(numdb_hdr.owned_number_count *
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45 sizeof(struct owned_number_rec));
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46 if (!numdb_owned_numbers) {
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47 syslog(LOG_CRIT, "malloc for owned number db: %m");
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48 fclose(inf);
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49 return(-1);
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50 }
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51 if (fread(numdb_owned_numbers, sizeof(struct owned_number_rec),
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52 numdb_hdr.owned_number_count, inf) !=
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53 numdb_hdr.owned_number_count)
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54 goto read_err;
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55 }
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56 if (numdb_hdr.short_number_count) {
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57 numdb_short_numbers = malloc(numdb_hdr.short_number_count *
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58 sizeof(struct short_number_rec));
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59 if (!numdb_short_numbers) {
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60 syslog(LOG_CRIT, "malloc for short number db: %m");
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61 fclose(inf);
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62 return(-1);
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63 }
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64 if (fread(numdb_short_numbers, sizeof(struct short_number_rec),
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65 numdb_hdr.short_number_count, inf) !=
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66 numdb_hdr.short_number_count)
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67 goto read_err;
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68 }
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69 fclose(inf);
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70 return(0);
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71 }