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comparison liboutrt/readbin.c @ 133:765991f42d86

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liboutrt started with binary file reading
author Mychaela Falconia <falcon@freecalypso.org>
date Thu, 06 Oct 2022 23:15:26 -0800
parents libnumdb/readbin.c@ffd48df829a7
children
comparison
equal deleted inserted replaced
132:aa278d75d757 133:765991f42d86
1 /*
2 * This library module contains the code that reads /var/gsm/out-routes.bin,
3 * as well as definitions of global variables into which the booty is read.
4 */
5
6 #include <sys/types.h>
7 #include <sys/stat.h>
8 #include <sys/socket.h>
9 #include <netinet/in.h>
10 #include <stdio.h>
11 #include <stdint.h>
12 #include <stdlib.h>
13 #include <syslog.h>
14 #include "../include/out_routes.h"
15
16 char outrt_pathname[] = "/var/gsm/out-routes.bin";
17 struct stat outrt_file_stat;
18 struct out_routes_header outrt_hdr;
19 struct sip_out_dest *outrt_dest_array;
20 struct inn_route *outrt_inn_array;
21 struct special_num_route *outrt_spec_array;
22
23 read_out_routes_db()
24 {
25 FILE *inf;
26
27 inf = fopen(outrt_pathname, "r");
28 if (!inf) {
29 syslog(LOG_CRIT, "open %s: %m", outrt_pathname);
30 return(-1);
31 }
32 fstat(fileno(inf), &outrt_file_stat);
33 if (!S_ISREG(outrt_file_stat.st_mode)) {
34 syslog(LOG_CRIT, "invalid %s: not a regular file",
35 outrt_pathname);
36 fclose(inf);
37 return(-1);
38 }
39 if (fread(&outrt_hdr, sizeof outrt_hdr, 1, inf) != 1) {
40 read_err: syslog(LOG_CRIT, "error reading from %s: %m", outrt_pathname);
41 fclose(inf);
42 return(-1);
43 }
44 if (!outrt_hdr.num_dest) {
45 syslog(LOG_CRIT, "%s contains invalid data", outrt_pathname);
46 fclose(inf);
47 return(-1);
48 }
49 outrt_dest_array =
50 malloc(outrt_hdr.num_dest * sizeof(struct sip_out_dest));
51 if (!outrt_dest_array) {
52 syslog(LOG_CRIT, "malloc for SIP dest array: %m");
53 fclose(inf);
54 return(-1);
55 }
56 if (fread(outrt_dest_array, sizeof(struct sip_out_dest),
57 outrt_hdr.num_dest, inf) != outrt_hdr.num_dest)
58 goto read_err;
59 if (outrt_hdr.num_inn) {
60 outrt_inn_array =
61 malloc(outrt_hdr.num_inn * sizeof(struct inn_route));
62 if (!outrt_inn_array) {
63 syslog(LOG_CRIT, "malloc for E.164 route array: %m");
64 fclose(inf);
65 return(-1);
66 }
67 if (fread(outrt_inn_array, sizeof(struct inn_route),
68 outrt_hdr.num_inn, inf) != outrt_hdr.num_inn)
69 goto read_err;
70 }
71 if (outrt_hdr.num_special) {
72 outrt_spec_array = malloc(outrt_hdr.num_special *
73 sizeof(struct special_num_route));
74 if (!outrt_spec_array) {
75 syslog(LOG_CRIT, "malloc for special route array: %m");
76 fclose(inf);
77 return(-1);
78 }
79 if (fread(outrt_spec_array, sizeof(struct special_num_route),
80 outrt_hdr.num_special, inf) != outrt_hdr.num_special)
81 goto read_err;
82 }
83 fclose(inf);
84 return(0);
85 }