FreeCalypso > hg > themwi-system-sw
annotate liboutrt/readbin.c @ 133:765991f42d86
liboutrt started with binary file reading
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Thu, 06 Oct 2022 23:15:26 -0800 |
parents | libnumdb/readbin.c@ffd48df829a7 |
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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 } |