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resolved: tests for dns_packet_append_answer(); RRSIG records

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This commit is contained in:
James Coglan
2024-07-22 10:36:56 +01:00
parent 1f66bd238f
commit 945a75c88c
1 changed files with 82 additions and 0 deletions
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src/resolve/test-dns-packet-append.c
+82
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@@ -769,4 +769,86 @@ TEST(packet_append_answer_single_srv) {
ASSERT_EQ(memcmp(DNS_PACKET_DATA(packet), data, sizeof(data)), 0);
}
TEST(packet_append_answer_rrsig_with_a) {
_cleanup_(dns_packet_unrefp) DnsPacket *packet = NULL;
_cleanup_(dns_answer_unrefp) DnsAnswer *answer = NULL;
DnsResourceRecord *rr = NULL;
answer = dns_answer_new(2);
ASSERT_NOT_NULL(answer);
rr = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_A, "www.example.com");
ASSERT_NOT_NULL(rr);
rr->ttl = 3601;
rr->a.in_addr.s_addr = htobe32(0xc0a8017f);
dns_answer_add(answer, rr, 1, 0, NULL);
dns_resource_record_unref(rr);
rr = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_RRSIG, "www.example.com");
ASSERT_NOT_NULL(rr);
rr->ttl = 3601;
rr->rrsig.type_covered = DNS_TYPE_A;
rr->rrsig.algorithm = DNSSEC_ALGORITHM_ECC;
rr->rrsig.labels = 3;
rr->rrsig.original_ttl = 3600;
rr->rrsig.expiration = 1720361303;
rr->rrsig.inception = 1717769303;
rr->rrsig.key_tag = 0x1234;
rr->rrsig.signer = strdup("example.com");
const uint8_t signature[] = {
0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10
};
rr->rrsig.signature_size = sizeof(signature);
rr->rrsig.signature = memdup(signature, rr->rrsig.signature_size);
dns_answer_add(answer, rr, 1, 0, NULL);
dns_resource_record_unref(rr);
ASSERT_OK(dns_packet_new(&packet, DNS_PROTOCOL_DNS, 0, DNS_PACKET_SIZE_MAX));
ASSERT_NOT_NULL(packet);
DNS_PACKET_ID(packet) = htobe16(42);
DNS_PACKET_HEADER(packet)->flags = htobe16(DNS_PACKET_MAKE_FLAGS(1, 0, 1, 0, 1, 1, 0, 0, DNS_RCODE_SUCCESS));
DNS_PACKET_HEADER(packet)->ancount = htobe16(dns_answer_size(answer));
ASSERT_OK(dns_packet_append_answer(packet, answer, NULL));
const uint8_t data[] = {
0x00, 0x2a, BIT_QR | BIT_AA | BIT_RD, BIT_RA | DNS_RCODE_SUCCESS,
0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00,
/* name */ 0x03, 'w', 'w', 'w',
0x07, 'e', 'x', 'a', 'm', 'p', 'l', 'e',
0x03, 'c', 'o', 'm',
0x00,
/* A */ 0x00, 0x01,
/* IN */ 0x00, 0x01,
/* ttl */ 0x00, 0x00, 0x0e, 0x11,
/* rdata */ 0x00, 0x04,
/* ip */ 0xc0, 0xa8, 0x01, 0x7f,
/* name */ 0xc0, 0x0c,
/* RRSIG */ 0x00, 0x2e,
/* IN */ 0x00, 0x01,
/* ttl */ 0x00, 0x00, 0x0e, 0x11,
/* rdata */ 0x00, 0x27,
/* type */ 0x00, 0x01,
/* algo */ 0x04,
/* labels */ 0x03,
/* orig ttl */ 0x00, 0x00, 0x0e, 0x10,
/* expiry */ 0x66, 0x8a, 0xa1, 0x57,
/* inception */ 0x66, 0x63, 0x14, 0x57,
/* key tag */ 0x12, 0x34,
/* signer */ 0x07, 'e', 'x', 'a', 'm', 'p', 'l', 'e',
0x03, 'c', 'o', 'm',
0x00,
/* signature */ 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10
};
ASSERT_EQ(packet->size, sizeof(data));
ASSERT_EQ(memcmp(DNS_PACKET_DATA(packet), data, sizeof(data)), 0);
}
DEFINE_TEST_MAIN(LOG_DEBUG)