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resolved: tests for dns_packet_append_answer(); NS, CNAME, PTR and MX records

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This commit is contained in:
James Coglan
2024-07-22 10:34:11 +01:00
parent 1516ebfc02
commit bcd218151f
1 changed files with 182 additions and 3 deletions
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src/resolve/test-dns-packet-append.c
+182 -3
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@@ -500,13 +500,13 @@ TEST(packet_append_answer_single_a) {
_cleanup_(dns_answer_unrefp) DnsAnswer *answer = NULL;
DnsResourceRecord *rr = NULL;
answer = dns_answer_new(1);
ASSERT_NOT_NULL(answer);
rr = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_A, "example.com");
ASSERT_NOT_NULL(rr);
rr->ttl = 3601;
rr->a.in_addr.s_addr = htobe32(0xc0a8017f);
answer = dns_answer_new(1);
ASSERT_NOT_NULL(answer);
dns_answer_add(answer, rr, 1, 0, NULL);
dns_resource_record_unref(rr);
@@ -537,4 +537,183 @@ TEST(packet_append_answer_single_a) {
ASSERT_EQ(memcmp(DNS_PACKET_DATA(packet), data, sizeof(data)), 0);
}
TEST(packet_append_answer_single_ns) {
_cleanup_(dns_packet_unrefp) DnsPacket *packet = NULL;
_cleanup_(dns_answer_unrefp) DnsAnswer *answer = NULL;
DnsResourceRecord *rr = NULL;
rr = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_NS, "example.com");
ASSERT_NOT_NULL(rr);
rr->ttl = 3601;
rr->ns.name = strdup("ns1.example.com");
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,
/* NS */ 0x00, 0x02,
/* IN */ 0x00, 0x01,
/* ttl */ 0x00, 0x00, 0x0e, 0x11,
/* rdata */ 0x00, 0x06,
/* name */ 0x03, 'n', 's', '1',
0xc0, 0x0c
};
ASSERT_EQ(packet->size, sizeof(data));
ASSERT_EQ(memcmp(DNS_PACKET_DATA(packet), data, sizeof(data)), 0);
}
TEST(packet_append_answer_single_cname) {
_cleanup_(dns_packet_unrefp) DnsPacket *packet = NULL;
_cleanup_(dns_answer_unrefp) DnsAnswer *answer = NULL;
DnsResourceRecord *rr = NULL;
rr = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_CNAME, "www.example.com");
ASSERT_NOT_NULL(rr);
rr->ttl = 3601;
rr->cname.name = strdup("example.com");
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 */ 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, 0x11,
/* rdata */ 0x00, 0x02,
/* name */ 0xc0, 0x10
};
ASSERT_EQ(packet->size, sizeof(data));
ASSERT_EQ(memcmp(DNS_PACKET_DATA(packet), data, sizeof(data)), 0);
}
TEST(packet_append_answer_single_ptr) {
_cleanup_(dns_packet_unrefp) DnsPacket *packet = NULL;
_cleanup_(dns_answer_unrefp) DnsAnswer *answer = NULL;
DnsResourceRecord *rr = NULL;
rr = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_PTR, "127.1.168.192.in-addr.arpa");
ASSERT_NOT_NULL(rr);
rr->ttl = 3601;
rr->ptr.name = strdup("example.com");
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 */ 0x03, '1', '2', '7',
0x01, '1',
0x03, '1', '6', '8',
0x03, '1', '9', '2',
0x07, 'i', 'n', '-', 'a', 'd', 'd', 'r',
0x04, 'a', 'r', 'p', 'a',
0x00,
/* PTR */ 0x00, 0x0c,
/* IN */ 0x00, 0x01,
/* ttl */ 0x00, 0x00, 0x0e, 0x11,
/* rdata */ 0x00, 0x0d,
/* name */ 0x07, 'e', 'x', 'a', 'm', 'p', 'l', 'e',
0x03, 'c', 'o', 'm',
0x00
};
ASSERT_EQ(packet->size, sizeof(data));
ASSERT_EQ(memcmp(DNS_PACKET_DATA(packet), data, sizeof(data)), 0);
}
TEST(packet_append_answer_single_mx) {
_cleanup_(dns_packet_unrefp) DnsPacket *packet = NULL;
_cleanup_(dns_answer_unrefp) DnsAnswer *answer = NULL;
DnsResourceRecord *rr = NULL;
rr = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_MX, "example.com");
ASSERT_NOT_NULL(rr);
rr->ttl = 3601;
rr->mx.priority = 9;
rr->mx.exchange = strdup("mail.example.com");
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,
/* MX */ 0x00, 0x0f,
/* IN */ 0x00, 0x01,
/* ttl */ 0x00, 0x00, 0x0e, 0x11,
/* rdata */ 0x00, 0x09,
/* priority */ 0x00, 0x09,
/* name */ 0x04, 'm', 'a', 'i', 'l',
0xc0, 0x0c
};
ASSERT_EQ(packet->size, sizeof(data));
ASSERT_EQ(memcmp(DNS_PACKET_DATA(packet), data, sizeof(data)), 0);
}
DEFINE_TEST_MAIN(LOG_DEBUG)