FreeCalypso > hg > themwi-system-sw

annotate liboutrt/readbin.c @ 146:54c2f271380d

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sip-in: implement play-along responses to re-INVITEs
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 08 Oct 2022 19:53:23 -0800
parents 765991f42d86
children
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Mychaela Falconia <falcon@freecalypso.org>
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1 /*
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2 * This library module contains the code that reads /var/gsm/out-routes.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 <sys/socket.h>
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9 #include <netinet/in.h>
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10 #include <stdio.h>
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11 #include <stdint.h>
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12 #include <stdlib.h>
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13 #include <syslog.h>
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14 #include "../include/out_routes.h"
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15
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16 char outrt_pathname[] = "/var/gsm/out-routes.bin";
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17 struct stat outrt_file_stat;
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18 struct out_routes_header outrt_hdr;
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19 struct sip_out_dest *outrt_dest_array;
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20 struct inn_route *outrt_inn_array;
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21 struct special_num_route *outrt_spec_array;
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22
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23 read_out_routes_db()
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24 {
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25 FILE *inf;
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26
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27 inf = fopen(outrt_pathname, "r");
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28 if (!inf) {
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29 syslog(LOG_CRIT, "open %s: %m", outrt_pathname);
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30 return(-1);
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31 }
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32 fstat(fileno(inf), &outrt_file_stat);
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33 if (!S_ISREG(outrt_file_stat.st_mode)) {
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34 syslog(LOG_CRIT, "invalid %s: not a regular file",
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35 outrt_pathname);
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36 fclose(inf);
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37 return(-1);
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38 }
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39 if (fread(&outrt_hdr, sizeof outrt_hdr, 1, inf) != 1) {
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40 read_err: syslog(LOG_CRIT, "error reading from %s: %m", outrt_pathname);
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41 fclose(inf);
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42 return(-1);
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43 }
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44 if (!outrt_hdr.num_dest) {
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45 syslog(LOG_CRIT, "%s contains invalid data", outrt_pathname);
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46 fclose(inf);
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47 return(-1);
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48 }
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49 outrt_dest_array =
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50 malloc(outrt_hdr.num_dest * sizeof(struct sip_out_dest));
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51 if (!outrt_dest_array) {
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52 syslog(LOG_CRIT, "malloc for SIP dest array: %m");
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53 fclose(inf);
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54 return(-1);
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55 }
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56 if (fread(outrt_dest_array, sizeof(struct sip_out_dest),
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57 outrt_hdr.num_dest, inf) != outrt_hdr.num_dest)
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58 goto read_err;
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59 if (outrt_hdr.num_inn) {
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60 outrt_inn_array =
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61 malloc(outrt_hdr.num_inn * sizeof(struct inn_route));
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62 if (!outrt_inn_array) {
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63 syslog(LOG_CRIT, "malloc for E.164 route array: %m");
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64 fclose(inf);
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65 return(-1);
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66 }
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67 if (fread(outrt_inn_array, sizeof(struct inn_route),
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68 outrt_hdr.num_inn, inf) != outrt_hdr.num_inn)
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69 goto read_err;
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70 }
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71 if (outrt_hdr.num_special) {
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72 outrt_spec_array = malloc(outrt_hdr.num_special *
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73 sizeof(struct special_num_route));
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74 if (!outrt_spec_array) {
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75 syslog(LOG_CRIT, "malloc for special route array: %m");
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76 fclose(inf);
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77 return(-1);
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78 }
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79 if (fread(outrt_spec_array, sizeof(struct special_num_route),
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80 outrt_hdr.num_special, inf) != outrt_hdr.num_special)
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81 goto read_err;
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82 }
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83 fclose(inf);
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84 return(0);
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85 }