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db9ecf05 | 1 | /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
6d99904f ZJS |
2 | |
3 | #include <net/if.h> | |
4 | ||
dccca82b LP |
5 | #include "sd-id128.h" |
6 | ||
6d99904f ZJS |
7 | #include "alloc-util.h" |
8 | #include "fileio.h" | |
fff85dbe | 9 | #include "glob-util.h" |
6d99904f | 10 | #include "log.h" |
fff85dbe | 11 | #include "macro.h" |
6d99904f ZJS |
12 | #include "resolved-dns-packet.h" |
13 | #include "resolved-dns-rr.h" | |
55890a40 | 14 | #include "path-util.h" |
6d99904f | 15 | #include "string-util.h" |
fff85dbe | 16 | #include "strv.h" |
cc100a5a | 17 | #include "tests.h" |
aa912320 | 18 | #include "unaligned.h" |
6d99904f ZJS |
19 | |
20 | #define HASH_KEY SD_ID128_MAKE(d3,1e,48,90,4b,fa,4c,fe,af,9d,d5,a1,d7,2e,8a,b1) | |
21 | ||
17c8de63 LP |
22 | static void verify_rr_copy(DnsResourceRecord *rr) { |
23 | _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *copy = NULL; | |
24 | const char *a, *b; | |
25 | ||
26 | assert_se(copy = dns_resource_record_copy(rr)); | |
27 | assert_se(dns_resource_record_equal(copy, rr) > 0); | |
28 | ||
29 | assert_se(a = dns_resource_record_to_string(rr)); | |
30 | assert_se(b = dns_resource_record_to_string(copy)); | |
31 | ||
32 | assert_se(streq(a, b)); | |
33 | } | |
34 | ||
6d99904f ZJS |
35 | static uint64_t hash(DnsResourceRecord *rr) { |
36 | struct siphash state; | |
37 | ||
38 | siphash24_init(&state, HASH_KEY.bytes); | |
39 | dns_resource_record_hash_func(rr, &state); | |
40 | return siphash24_finalize(&state); | |
41 | } | |
42 | ||
43 | static void test_packet_from_file(const char* filename, bool canonical) { | |
44 | _cleanup_free_ char *data = NULL; | |
45 | size_t data_size, packet_size, offset; | |
46 | ||
47 | assert_se(read_full_file(filename, &data, &data_size) >= 0); | |
48 | assert_se(data); | |
49 | assert_se(data_size > 8); | |
50 | ||
51 | log_info("============== %s %s==============", filename, canonical ? "canonical " : ""); | |
52 | ||
53 | for (offset = 0; offset < data_size; offset += 8 + packet_size) { | |
54 | _cleanup_(dns_packet_unrefp) DnsPacket *p = NULL, *p2 = NULL; | |
55 | _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *rr = NULL, *rr2 = NULL; | |
56 | const char *s, *s2; | |
57 | uint64_t hash1, hash2; | |
58 | ||
aa912320 | 59 | packet_size = unaligned_read_le64(data + offset); |
6d99904f ZJS |
60 | assert_se(packet_size > 0); |
61 | assert_se(offset + 8 + packet_size <= data_size); | |
62 | ||
51027656 | 63 | assert_se(dns_packet_new(&p, DNS_PROTOCOL_DNS, 0, DNS_PACKET_SIZE_MAX) >= 0); |
6d99904f ZJS |
64 | |
65 | assert_se(dns_packet_append_blob(p, data + offset + 8, packet_size, NULL) >= 0); | |
66 | assert_se(dns_packet_read_rr(p, &rr, NULL, NULL) >= 0); | |
67 | ||
17c8de63 LP |
68 | verify_rr_copy(rr); |
69 | ||
6d99904f ZJS |
70 | s = dns_resource_record_to_string(rr); |
71 | assert_se(s); | |
72 | puts(s); | |
73 | ||
74 | hash1 = hash(rr); | |
75 | ||
76 | assert_se(dns_resource_record_to_wire_format(rr, canonical) >= 0); | |
77 | ||
51027656 | 78 | assert_se(dns_packet_new(&p2, DNS_PROTOCOL_DNS, 0, DNS_PACKET_SIZE_MAX) >= 0); |
6d99904f ZJS |
79 | assert_se(dns_packet_append_blob(p2, rr->wire_format, rr->wire_format_size, NULL) >= 0); |
80 | assert_se(dns_packet_read_rr(p2, &rr2, NULL, NULL) >= 0); | |
81 | ||
17c8de63 LP |
82 | verify_rr_copy(rr); |
83 | ||
6d99904f ZJS |
84 | s2 = dns_resource_record_to_string(rr); |
85 | assert_se(s2); | |
86 | assert_se(streq(s, s2)); | |
87 | ||
88 | hash2 = hash(rr); | |
89 | assert_se(hash1 == hash2); | |
90 | } | |
91 | } | |
92 | ||
d1f8fbea | 93 | static void test_dns_resource_record_get_cname_target(void) { |
d6191ed5 | 94 | _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *cname = NULL, *dname = NULL; |
d1f8fbea LP |
95 | _cleanup_free_ char *target = NULL; |
96 | ||
97 | assert_se(cname = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_CNAME, "quux.foobar")); | |
98 | assert_se(cname->cname.name = strdup("wuff.wuff")); | |
99 | ||
100 | assert_se(dns_resource_record_get_cname_target(&DNS_RESOURCE_KEY_CONST(DNS_CLASS_IN, DNS_TYPE_A, "waldo"), cname, &target) == -EUNATCH); | |
101 | assert_se(dns_resource_record_get_cname_target(&DNS_RESOURCE_KEY_CONST(DNS_CLASS_IN, DNS_TYPE_A, "foobar"), cname, &target) == -EUNATCH); | |
102 | assert_se(dns_resource_record_get_cname_target(&DNS_RESOURCE_KEY_CONST(DNS_CLASS_IN, DNS_TYPE_A, "quux"), cname, &target) == -EUNATCH); | |
103 | assert_se(dns_resource_record_get_cname_target(&DNS_RESOURCE_KEY_CONST(DNS_CLASS_IN, DNS_TYPE_A, ""), cname, &target) == -EUNATCH); | |
104 | assert_se(dns_resource_record_get_cname_target(&DNS_RESOURCE_KEY_CONST(DNS_CLASS_IN, DNS_TYPE_A, "."), cname, &target) == -EUNATCH); | |
105 | assert_se(dns_resource_record_get_cname_target(&DNS_RESOURCE_KEY_CONST(DNS_CLASS_IN, DNS_TYPE_A, "nope.quux.foobar"), cname, &target) == -EUNATCH); | |
106 | assert_se(dns_resource_record_get_cname_target(&DNS_RESOURCE_KEY_CONST(DNS_CLASS_IN, DNS_TYPE_A, "quux.foobar"), cname, &target) == 0); | |
107 | assert_se(streq(target, "wuff.wuff")); | |
108 | target = mfree(target); | |
109 | ||
d6191ed5 ZJS |
110 | assert_se(dname = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_DNAME, "quux.foobar")); |
111 | assert_se(dname->dname.name = strdup("wuff.wuff")); | |
d1f8fbea | 112 | |
d6191ed5 ZJS |
113 | assert_se(dns_resource_record_get_cname_target(&DNS_RESOURCE_KEY_CONST(DNS_CLASS_IN, DNS_TYPE_A, "waldo"), dname, &target) == -EUNATCH); |
114 | assert_se(dns_resource_record_get_cname_target(&DNS_RESOURCE_KEY_CONST(DNS_CLASS_IN, DNS_TYPE_A, "foobar"), dname, &target) == -EUNATCH); | |
115 | assert_se(dns_resource_record_get_cname_target(&DNS_RESOURCE_KEY_CONST(DNS_CLASS_IN, DNS_TYPE_A, "quux"), dname, &target) == -EUNATCH); | |
116 | assert_se(dns_resource_record_get_cname_target(&DNS_RESOURCE_KEY_CONST(DNS_CLASS_IN, DNS_TYPE_A, ""), dname, &target) == -EUNATCH); | |
117 | assert_se(dns_resource_record_get_cname_target(&DNS_RESOURCE_KEY_CONST(DNS_CLASS_IN, DNS_TYPE_A, "."), dname, &target) == -EUNATCH); | |
118 | assert_se(dns_resource_record_get_cname_target(&DNS_RESOURCE_KEY_CONST(DNS_CLASS_IN, DNS_TYPE_A, "yupp.quux.foobar"), dname, &target) == 0); | |
d1f8fbea LP |
119 | assert_se(streq(target, "yupp.wuff.wuff")); |
120 | target = mfree(target); | |
121 | ||
122 | assert_se(dns_resource_record_get_cname_target(&DNS_RESOURCE_KEY_CONST(DNS_CLASS_IN, DNS_TYPE_A, "quux.foobar"), cname, &target) == 0); | |
123 | assert_se(streq(target, "wuff.wuff")); | |
124 | } | |
125 | ||
6d99904f | 126 | int main(int argc, char **argv) { |
d6191ed5 | 127 | int N; |
fff85dbe | 128 | _cleanup_globfree_ glob_t g = {}; |
fff85dbe | 129 | char **fnames; |
6d99904f | 130 | |
965040d8 | 131 | test_setup_logging(LOG_DEBUG); |
6d99904f | 132 | |
fff85dbe ZJS |
133 | if (argc >= 2) { |
134 | N = argc - 1; | |
135 | fnames = argv + 1; | |
136 | } else { | |
7b432953 ZJS |
137 | _cleanup_free_ char *pkts_glob = NULL; |
138 | assert_se(get_testdata_dir("test-resolve/*.pkts", &pkts_glob) >= 0); | |
55890a40 | 139 | assert_se(glob(pkts_glob, GLOB_NOSORT, NULL, &g) == 0); |
fff85dbe ZJS |
140 | N = g.gl_pathc; |
141 | fnames = g.gl_pathv; | |
142 | } | |
143 | ||
d6191ed5 | 144 | for (int i = 0; i < N; i++) { |
fff85dbe | 145 | test_packet_from_file(fnames[i], false); |
6d99904f | 146 | puts(""); |
fff85dbe ZJS |
147 | test_packet_from_file(fnames[i], true); |
148 | if (i + 1 < N) | |
6d99904f ZJS |
149 | puts(""); |
150 | } | |
151 | ||
d1f8fbea LP |
152 | test_dns_resource_record_get_cname_target(); |
153 | ||
6d99904f ZJS |
154 | return EXIT_SUCCESS; |
155 | } |