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resolved: tests for dns_packet_dup()

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James Coglan
2024-06-11 16:32:28 +01:00
parent d6f1f962fe
commit ce9b6819d6
1 changed files with 49 additions and 0 deletions
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49
src/resolve/test-dns-packet-append.c
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@@ -546,6 +546,55 @@ TEST(packet_patch_max_udp_size_no_opt) {
ASSERT_EQ(memcmp(DNS_PACKET_DATA(packet), data, sizeof(data)), 0);
}
/* ================================================================
* dns_packet_dup()
* ================================================================ */
TEST(packet_dup) {
_cleanup_(dns_packet_unrefp) DnsPacket *p1 = NULL, *p2 = NULL;
_cleanup_(dns_answer_unrefp) DnsAnswer *answer = NULL;
DnsResourceRecord *rr = NULL;
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);
ASSERT_OK(dns_packet_new(&p1, DNS_PROTOCOL_DNS, 0, DNS_PACKET_SIZE_MAX));
ASSERT_NOT_NULL(p1);
DNS_PACKET_ID(p1) = htobe16(42);
DNS_PACKET_HEADER(p1)->flags = htobe16(DNS_PACKET_MAKE_FLAGS(1, 0, 1, 0, 1, 1, 0, 0, DNS_RCODE_SUCCESS));
DNS_PACKET_HEADER(p1)->ancount = htobe16(dns_answer_size(answer));
ASSERT_OK(dns_packet_append_answer(p1, 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,
/* A */ 0x00, 0x01,
/* IN */ 0x00, 0x01,
/* ttl */ 0x00, 0x00, 0x0e, 0x11,
/* rdata */ 0x00, 0x04,
/* ip */ 0xc0, 0xa8, 0x01, 0x7f
};
ASSERT_OK(dns_packet_dup(&p2, p1));
ASSERT_NOT_NULL(p2);
ASSERT_EQ(p2->size, sizeof(data));
ASSERT_EQ(memcmp(DNS_PACKET_DATA(p2), data, sizeof(data)), 0);
}
/* ================================================================
* dns_packet_append_answer()
* ================================================================ */