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resolved: tests for dns_resource_record_to_wire_format()

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Note this function does not produce compressed domain names in the RDATA
when serializing the RR.
This commit is contained in:
James Coglan
2024-06-12 10:50:05 +01:00
committed by Luca Boccassi
parent f6d2ad95ed
commit 77018b2f47
1 changed files with 37 additions and 0 deletions
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37
src/resolve/test-dns-rr.c
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@@ -2307,6 +2307,43 @@ TEST(dns_resource_record_to_string_svcb) {
ASSERT_STREQ(str, "_443._wss.example.com IN SVCB 9 sock.example.com mandatory=\"\\000\\001\\000\\003\" alpn=\"websocket\" no-default-alpn port=443 ipv4hint=114.132.253.58,72.188.199.192 ipv6hint=f234:322e:b825:3835:2fd7:db7b:287e:60bb key99");
}
/* ================================================================
* dns_resource_record_to_wire_format()
* ================================================================ */
TEST(dns_resource_record_to_wire_format) {
_cleanup_(dns_resource_record_unrefp) DnsResourceRecord *rr = NULL;
int r;
rr = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_CNAME, "www.example.com");
ASSERT_NOT_NULL(rr);
rr->ttl = 3600;
rr->cname.name = strdup("example.com");
ASSERT_OK(dns_resource_record_to_wire_format(rr, true));
const uint8_t data[] = {
/* name */ 0x03, 'w', 'w', 'w',
0x07, 'e', 'x', 'a', 'm', 'p', 'l', 'e',
0x03, 'c', 'o', 'm',
0x00,
/* CNAME */ 0x00, 0x05,
/* IN */ 0x00, 0x01,
/* ttl */ 0x00, 0x00, 0x0e, 0x10,
/* rdata */ 0x00, 0x0d,
/* name */ 0x07, 'e', 'x', 'a', 'm', 'p', 'l', 'e',
0x03, 'c', 'o', 'm',
0x00
};
ASSERT_EQ(rr->wire_format_size, sizeof(data));
ASSERT_EQ(rr->wire_format_rdata_offset, 27u);
ASSERT_EQ(rr->wire_format_canonical, true);
r = memcmp(rr->wire_format, data, sizeof(data));
ASSERT_EQ(r, 0);
}
/* ================================================================
* dns_resource_record_clamp_ttl()
* ================================================================ */