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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
6d99904f ZJS |
2 | /*** |
3 | This file is part of systemd | |
4 | ||
5 | Copyright 2016 Zbigniew Jędrzejewski-Szmek | |
6d99904f ZJS |
6 | ***/ |
7 | ||
8 | #include <net/if.h> | |
fff85dbe | 9 | #include <glob.h> |
6d99904f | 10 | |
dccca82b LP |
11 | #include "sd-id128.h" |
12 | ||
6d99904f ZJS |
13 | #include "alloc-util.h" |
14 | #include "fileio.h" | |
fff85dbe | 15 | #include "glob-util.h" |
6d99904f | 16 | #include "log.h" |
fff85dbe | 17 | #include "macro.h" |
6d99904f ZJS |
18 | #include "resolved-dns-packet.h" |
19 | #include "resolved-dns-rr.h" | |
20 | #include "string-util.h" | |
fff85dbe | 21 | #include "strv.h" |
cc100a5a | 22 | #include "tests.h" |
aa912320 | 23 | #include "unaligned.h" |
6d99904f ZJS |
24 | |
25 | #define HASH_KEY SD_ID128_MAKE(d3,1e,48,90,4b,fa,4c,fe,af,9d,d5,a1,d7,2e,8a,b1) | |
26 | ||
17c8de63 LP |
27 | static void verify_rr_copy(DnsResourceRecord *rr) { |
28 | _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *copy = NULL; | |
29 | const char *a, *b; | |
30 | ||
31 | assert_se(copy = dns_resource_record_copy(rr)); | |
32 | assert_se(dns_resource_record_equal(copy, rr) > 0); | |
33 | ||
34 | assert_se(a = dns_resource_record_to_string(rr)); | |
35 | assert_se(b = dns_resource_record_to_string(copy)); | |
36 | ||
37 | assert_se(streq(a, b)); | |
38 | } | |
39 | ||
6d99904f ZJS |
40 | static uint64_t hash(DnsResourceRecord *rr) { |
41 | struct siphash state; | |
42 | ||
43 | siphash24_init(&state, HASH_KEY.bytes); | |
44 | dns_resource_record_hash_func(rr, &state); | |
45 | return siphash24_finalize(&state); | |
46 | } | |
47 | ||
48 | static void test_packet_from_file(const char* filename, bool canonical) { | |
49 | _cleanup_free_ char *data = NULL; | |
50 | size_t data_size, packet_size, offset; | |
51 | ||
52 | assert_se(read_full_file(filename, &data, &data_size) >= 0); | |
53 | assert_se(data); | |
54 | assert_se(data_size > 8); | |
55 | ||
56 | log_info("============== %s %s==============", filename, canonical ? "canonical " : ""); | |
57 | ||
58 | for (offset = 0; offset < data_size; offset += 8 + packet_size) { | |
59 | _cleanup_(dns_packet_unrefp) DnsPacket *p = NULL, *p2 = NULL; | |
60 | _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *rr = NULL, *rr2 = NULL; | |
61 | const char *s, *s2; | |
62 | uint64_t hash1, hash2; | |
63 | ||
aa912320 | 64 | packet_size = unaligned_read_le64(data + offset); |
6d99904f ZJS |
65 | assert_se(packet_size > 0); |
66 | assert_se(offset + 8 + packet_size <= data_size); | |
67 | ||
51027656 | 68 | assert_se(dns_packet_new(&p, DNS_PROTOCOL_DNS, 0, DNS_PACKET_SIZE_MAX) >= 0); |
6d99904f ZJS |
69 | |
70 | assert_se(dns_packet_append_blob(p, data + offset + 8, packet_size, NULL) >= 0); | |
71 | assert_se(dns_packet_read_rr(p, &rr, NULL, NULL) >= 0); | |
72 | ||
17c8de63 LP |
73 | verify_rr_copy(rr); |
74 | ||
6d99904f ZJS |
75 | s = dns_resource_record_to_string(rr); |
76 | assert_se(s); | |
77 | puts(s); | |
78 | ||
79 | hash1 = hash(rr); | |
80 | ||
81 | assert_se(dns_resource_record_to_wire_format(rr, canonical) >= 0); | |
82 | ||
51027656 | 83 | assert_se(dns_packet_new(&p2, DNS_PROTOCOL_DNS, 0, DNS_PACKET_SIZE_MAX) >= 0); |
6d99904f ZJS |
84 | assert_se(dns_packet_append_blob(p2, rr->wire_format, rr->wire_format_size, NULL) >= 0); |
85 | assert_se(dns_packet_read_rr(p2, &rr2, NULL, NULL) >= 0); | |
86 | ||
17c8de63 LP |
87 | verify_rr_copy(rr); |
88 | ||
6d99904f ZJS |
89 | s2 = dns_resource_record_to_string(rr); |
90 | assert_se(s2); | |
91 | assert_se(streq(s, s2)); | |
92 | ||
93 | hash2 = hash(rr); | |
94 | assert_se(hash1 == hash2); | |
95 | } | |
96 | } | |
97 | ||
98 | int main(int argc, char **argv) { | |
fff85dbe ZJS |
99 | int i, N; |
100 | _cleanup_globfree_ glob_t g = {}; | |
fff85dbe | 101 | char **fnames; |
6d99904f ZJS |
102 | |
103 | log_parse_environment(); | |
104 | ||
fff85dbe ZJS |
105 | if (argc >= 2) { |
106 | N = argc - 1; | |
107 | fnames = argv + 1; | |
108 | } else { | |
cc100a5a | 109 | assert_se(glob(get_testdata_dir("/test-resolve/*.pkts"), GLOB_NOSORT, NULL, &g) == 0); |
fff85dbe ZJS |
110 | N = g.gl_pathc; |
111 | fnames = g.gl_pathv; | |
112 | } | |
113 | ||
114 | for (i = 0; i < N; i++) { | |
115 | test_packet_from_file(fnames[i], false); | |
6d99904f | 116 | puts(""); |
fff85dbe ZJS |
117 | test_packet_from_file(fnames[i], true); |
118 | if (i + 1 < N) | |
6d99904f ZJS |
119 | puts(""); |
120 | } | |
121 | ||
122 | return EXIT_SUCCESS; | |
123 | } |