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resolved: tests for dns_packet_append_key() domain name compression
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@ -207,4 +207,66 @@ TEST(packet_append_key_single_soa_any_class) {
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ASSERT_EQ(memcmp(DNS_PACKET_DATA(packet), data, sizeof(data)), 0);
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}
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/* ================================================================
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* dns_packet_append_question()
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* ================================================================ */
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TEST(packet_append_question_compression) {
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_cleanup_(dns_packet_unrefp) DnsPacket *packet = NULL;
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_cleanup_(dns_question_unrefp) DnsQuestion *question = NULL;
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DnsResourceKey *key = NULL;
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question = dns_question_new(3);
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ASSERT_NOT_NULL(question);
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key = dns_resource_key_new(DNS_CLASS_IN, DNS_TYPE_A, "www.example.com");
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ASSERT_NOT_NULL(key);
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ASSERT_OK(dns_question_add(question, key, 0));
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dns_resource_key_unref(key);
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key = dns_resource_key_new(DNS_CLASS_IN, DNS_TYPE_MX, "mail.example.com");
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ASSERT_NOT_NULL(key);
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ASSERT_OK(dns_question_add(question, key, 0));
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dns_resource_key_unref(key);
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key = dns_resource_key_new(DNS_CLASS_IN, DNS_TYPE_SOA, "host.mail.example.com");
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ASSERT_NOT_NULL(key);
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ASSERT_OK(dns_question_add(question, key, 0));
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dns_resource_key_unref(key);
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ASSERT_OK(dns_packet_new(&packet, DNS_PROTOCOL_DNS, 0, DNS_PACKET_SIZE_MAX));
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ASSERT_NOT_NULL(packet);
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DNS_PACKET_ID(packet) = htobe16(42);
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DNS_PACKET_HEADER(packet)->flags = htobe16(DNS_PACKET_MAKE_FLAGS(0, 0, 0, 0, 1, 0, 0, 0, DNS_RCODE_SUCCESS));
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DNS_PACKET_HEADER(packet)->qdcount = htobe16(dns_question_size(question));
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ASSERT_OK(dns_packet_append_question(packet, question));
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const uint8_t data[] = {
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0x00, 0x2a, BIT_RD, DNS_RCODE_SUCCESS,
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0x00, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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/* name */ 0x03, 'w', 'w', 'w',
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0x07, 'e', 'x', 'a', 'm', 'p', 'l', 'e',
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0x03, 'c', 'o', 'm',
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0x00,
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/* A */ 0x00, 0x01,
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/* IN */ 0x00, 0x01,
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/* name */ 0x04, 'm', 'a', 'i', 'l',
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0xc0, 0x10,
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/* MX */ 0x00, 0x0f,
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/* IN */ 0x00, 0x01,
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/* name */ 0x04, 'h', 'o', 's', 't',
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0xc0, 0x21,
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/* SOA */ 0x00, 0x06,
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/* IN */ 0x00, 0x01
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};
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ASSERT_EQ(packet->size, sizeof(data));
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ASSERT_EQ(memcmp(DNS_PACKET_DATA(packet), data, sizeof(data)), 0);
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}
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DEFINE_TEST_MAIN(LOG_DEBUG)
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