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e8fd8389 MT |
1 | /* |
2 | libloc - A library to determine the location of someone on the Internet | |
3 | ||
4 | Copyright (C) 2019 IPFire Development Team <info@ipfire.org> | |
5 | ||
6 | This program is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 2 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | This program is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | */ | |
16 | ||
17 | #include <stdio.h> | |
18 | #include <stddef.h> | |
19 | #include <stdlib.h> | |
20 | #include <string.h> | |
21 | #include <fcntl.h> | |
22 | #include <ctype.h> | |
23 | #include <errno.h> | |
24 | #include <unistd.h> | |
37317e4f | 25 | #include <syslog.h> |
e8fd8389 | 26 | |
c12a1385 MT |
27 | #include <libloc/libloc.h> |
28 | #include <libloc/database.h> | |
29 | #include <libloc/writer.h> | |
e8fd8389 MT |
30 | |
31 | int main(int argc, char** argv) { | |
32 | int err; | |
33 | ||
34 | // Open public key | |
35 | FILE* public_key = fopen(ABS_SRCDIR "/examples/public-key.pem", "r"); | |
36 | if (!public_key) { | |
6cd02f1d | 37 | fprintf(stderr, "Could not open public key file: %m\n"); |
e8fd8389 MT |
38 | exit(EXIT_FAILURE); |
39 | } | |
40 | ||
41 | // Open private key | |
67c99e7e MT |
42 | FILE* private_key1 = fopen(ABS_SRCDIR "/examples/private-key.pem", "r"); |
43 | if (!private_key1) { | |
6cd02f1d | 44 | fprintf(stderr, "Could not open private key file: %m\n"); |
67c99e7e MT |
45 | exit(EXIT_FAILURE); |
46 | } | |
47 | ||
48 | FILE* private_key2 = fopen(ABS_SRCDIR "/examples/private-key.pem", "r"); | |
49 | if (!private_key2) { | |
6cd02f1d | 50 | fprintf(stderr, "Could not open private key file: %m\n"); |
e8fd8389 MT |
51 | exit(EXIT_FAILURE); |
52 | } | |
53 | ||
54 | struct loc_ctx* ctx; | |
55 | err = loc_new(&ctx); | |
56 | if (err < 0) | |
57 | exit(EXIT_FAILURE); | |
58 | ||
37317e4f MT |
59 | // Enable debug logging |
60 | loc_set_log_priority(ctx, LOG_DEBUG); | |
61 | ||
e8fd8389 MT |
62 | // Create an empty database |
63 | struct loc_writer* writer; | |
67c99e7e | 64 | err = loc_writer_new(ctx, &writer, private_key1, private_key2); |
e8fd8389 MT |
65 | if (err < 0) |
66 | exit(EXIT_FAILURE); | |
67 | ||
6254dca6 | 68 | FILE* f = tmpfile(); |
e8fd8389 | 69 | if (!f) { |
6cd02f1d | 70 | fprintf(stderr, "Could not open file for writing: %m\n"); |
e8fd8389 MT |
71 | exit(EXIT_FAILURE); |
72 | } | |
73 | ||
22c7b98b | 74 | err = loc_writer_write(writer, f, LOC_DATABASE_VERSION_UNSET); |
e8fd8389 | 75 | if (err) { |
198e382c | 76 | fprintf(stderr, "Could not write database: %m\n"); |
e8fd8389 MT |
77 | exit(EXIT_FAILURE); |
78 | } | |
79 | loc_writer_unref(writer); | |
80 | ||
e8fd8389 | 81 | // And open it again from disk |
e8fd8389 MT |
82 | struct loc_database* db; |
83 | err = loc_database_new(ctx, &db, f); | |
84 | if (err) { | |
198e382c | 85 | fprintf(stderr, "Could not open database: %m\n"); |
e8fd8389 MT |
86 | exit(EXIT_FAILURE); |
87 | } | |
88 | ||
89 | // Verify the database signature | |
90 | err = loc_database_verify(db, public_key); | |
91 | if (err) { | |
92 | fprintf(stderr, "Could not verify the database: %d\n", err); | |
93 | exit(EXIT_FAILURE); | |
94 | } | |
95 | ||
96 | // Open another public key | |
9b3db7b1 | 97 | public_key = freopen(ABS_SRCDIR "/data/signing-key.pem", "r", public_key); |
e8fd8389 | 98 | if (!public_key) { |
6cd02f1d | 99 | fprintf(stderr, "Could not open public key file: %m\n"); |
e8fd8389 MT |
100 | exit(EXIT_FAILURE); |
101 | } | |
102 | ||
103 | // Verify with an incorrect key | |
104 | err = loc_database_verify(db, public_key); | |
105 | if (err == 0) { | |
106 | fprintf(stderr, "Database was verified with an incorrect key: %d\n", err); | |
107 | exit(EXIT_FAILURE); | |
108 | } | |
109 | ||
110 | // Close the database | |
111 | loc_database_unref(db); | |
e8fd8389 | 112 | loc_unref(ctx); |
6254dca6 | 113 | fclose(f); |
e8fd8389 | 114 | |
67c99e7e MT |
115 | fclose(private_key1); |
116 | fclose(private_key2); | |
e8fd8389 MT |
117 | fclose(public_key); |
118 | ||
119 | return EXIT_SUCCESS; | |
120 | } |