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d786cbda RG |
1 | /* |
2 | * Copyright (C) 2011-2012 Reto Guadagnini | |
3 | * Hochschule fuer Technik Rapperswil | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify it | |
6 | * under the terms of the GNU General Public License as published by the | |
7 | * Free Software Foundation; either version 2 of the License, or (at your | |
8 | * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, but | |
11 | * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
12 | * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
13 | * for more details. | |
14 | */ | |
15 | ||
16 | #include <stdio.h> | |
17 | ||
18 | #include <library.h> | |
1a185ae1 AS |
19 | #include <utils/debug.h> |
20 | ||
21 | /** | |
22 | * Define debug level | |
23 | */ | |
24 | static level_t dbg_level = 1; | |
25 | ||
26 | static void dbg_dnssec(debug_t group, level_t level, char *fmt, ...) | |
27 | { | |
28 | if ((level <= dbg_level) || level <= 1) | |
29 | { | |
30 | va_list args; | |
31 | ||
32 | va_start(args, fmt); | |
33 | vfprintf(stderr, fmt, args); | |
34 | fprintf(stderr, "\n"); | |
35 | va_end(args); | |
36 | } | |
37 | } | |
d786cbda RG |
38 | |
39 | int main(int argc, char *argv[]) | |
40 | { | |
41 | resolver_t *resolver; | |
42 | resolver_response_t *response; | |
43 | enumerator_t *enumerator; | |
1a185ae1 | 44 | chunk_t rdata; |
d786cbda RG |
45 | rr_set_t *rrset; |
46 | rr_t *rr; | |
d786cbda | 47 | |
34d3bfcf | 48 | library_init(NULL, "dnssec"); |
d786cbda | 49 | atexit(library_deinit); |
1a185ae1 AS |
50 | |
51 | dbg = dbg_dnssec; | |
52 | ||
b18a5317 | 53 | if (!lib->plugins->load(lib->plugins, PLUGINS)) |
d786cbda RG |
54 | { |
55 | return 1; | |
56 | } | |
57 | if (argc != 2) | |
58 | { | |
1a185ae1 | 59 | fprintf(stderr, "usage: dnssec <name>\n"); |
d786cbda RG |
60 | return 1; |
61 | } | |
62 | ||
63 | resolver = lib->resolver->create(lib->resolver); | |
64 | if (!resolver) | |
65 | { | |
66 | printf("failed to create a resolver!\n"); | |
67 | return 1; | |
68 | } | |
69 | ||
70 | response = resolver->query(resolver, argv[1], RR_CLASS_IN, RR_TYPE_A); | |
71 | if (!response) | |
72 | { | |
73 | printf("no response received!\n"); | |
74 | resolver->destroy(resolver); | |
75 | return 1; | |
76 | } | |
77 | ||
78 | printf("DNS response:\n"); | |
79 | if (!response->has_data(response) || !response->query_name_exist(response)) | |
80 | { | |
81 | if (!response->has_data(response)) | |
82 | { | |
83 | printf(" no data in the response\n"); | |
84 | } | |
85 | if (!response->query_name_exist(response)) | |
86 | { | |
87 | printf(" query name does not exist\n"); | |
88 | } | |
89 | response->destroy(response); | |
90 | resolver->destroy(resolver); | |
91 | return 1; | |
92 | } | |
93 | ||
94 | printf(" RRs in the response:\n"); | |
95 | rrset = response->get_rr_set(response); | |
96 | if (!rrset) | |
97 | { | |
98 | printf(" response contains no RRset!\n"); | |
99 | response->destroy(response); | |
100 | resolver->destroy(resolver); | |
101 | return 1; | |
102 | } | |
103 | ||
104 | enumerator = rrset->create_rr_enumerator(rrset); | |
105 | while (enumerator->enumerate(enumerator, &rr)) | |
106 | { | |
676e8624 | 107 | printf(" name: %s\n", rr->get_name(rr)); |
d786cbda RG |
108 | } |
109 | ||
110 | enumerator = rrset->create_rrsig_enumerator(rrset); | |
111 | if (enumerator) | |
112 | { | |
113 | printf(" RRSIGs for the RRset:\n"); | |
114 | while (enumerator->enumerate(enumerator, &rr)) | |
115 | { | |
1a185ae1 AS |
116 | rdata = rr->get_rdata(rr); |
117 | ||
118 | printf(" name: %s\n", rr->get_name(rr)); | |
119 | printf(" RDATA: %#B\n", &rdata); | |
d786cbda RG |
120 | } |
121 | } | |
122 | ||
123 | printf(" security status of the response: "); | |
124 | switch (response->get_security_state(response)) | |
125 | { | |
126 | case SECURE: | |
127 | printf("SECURE\n\n"); | |
128 | break; | |
129 | case INSECURE: | |
130 | printf("INSECURE\n\n"); | |
131 | break; | |
132 | case BOGUS: | |
133 | printf("BOGUS\n\n"); | |
134 | break; | |
135 | case INDETERMINATE: | |
136 | printf("INDETERMINATE\n\n"); | |
137 | break; | |
138 | } | |
139 | response->destroy(response); | |
140 | resolver->destroy(resolver); | |
141 | return 0; | |
142 | } |