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resolved: tests for dns_packet_append_answer(); TXT records

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This commit is contained in:
James Coglan
2024-07-22 10:46:40 +01:00
parent 053ec2c5a2
commit 346b0d3b18
1 changed files with 55 additions and 0 deletions
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src/resolve/test-dns-packet-append.c
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@@ -761,6 +761,61 @@ TEST(packet_append_answer_single_mx) {
ASSERT_EQ(memcmp(DNS_PACKET_DATA(packet), data, sizeof(data)), 0);
}
TEST(packet_append_answer_single_txt) {
_cleanup_(dns_packet_unrefp) DnsPacket *packet = NULL;
_cleanup_(dns_answer_unrefp) DnsAnswer *answer = NULL;
DnsResourceRecord *rr = NULL;
DnsTxtItem *item = NULL;
rr = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_TXT, "example.com");
ASSERT_NOT_NULL(rr);
rr->ttl = 3601;
item = calloc(1, offsetof(DnsTxtItem, data) + 3);
ASSERT_NOT_NULL(item);
item->length = 2;
memcpy(item->data, "hi", 3);
LIST_APPEND(items, rr->txt.items, item);
item = calloc(1, offsetof(DnsTxtItem, data) + 6);
ASSERT_NOT_NULL(item);
item->length = 5;
memcpy(item->data, "world", 6);
LIST_APPEND(items, rr->txt.items, item);
answer = dns_answer_new(1);
ASSERT_NOT_NULL(answer);
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, 0x01, 0x00, 0x00, 0x00, 0x00,
/* name */ 0x07, 'e', 'x', 'a', 'm', 'p', 'l', 'e',
0x03, 'c', 'o', 'm',
0x00,
/* TXT */ 0x00, 0x10,
/* IN */ 0x00, 0x01,
/* ttl */ 0x00, 0x00, 0x0e, 0x11,
/* rdata */ 0x00, 0x09,
0x02, 'h', 'i',
0x05, 'w', 'o', 'r', 'l', 'd'
};
ASSERT_EQ(packet->size, sizeof(data));
ASSERT_EQ(memcmp(DNS_PACKET_DATA(packet), data, sizeof(data)), 0);
}
TEST(packet_append_answer_single_srv) {
_cleanup_(dns_packet_unrefp) DnsPacket *packet = NULL;
_cleanup_(dns_answer_unrefp) DnsAnswer *answer = NULL;