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resolved: add test case from

This commit is contained in:
Lennart Poettering 2024-09-12 17:09:37 +02:00
parent e637856117
commit 953ab98744

@ -1267,4 +1267,34 @@ TEST(packet_append_answer_single_svcb) {
ASSERT_EQ(memcmp(DNS_PACKET_DATA(packet), data, sizeof(data)), 0);
}
static void dump_packet_data(DnsPacket *packet) {
assert(packet);
fprintf(stderr, "packet bytes:");
for (size_t i = 0; i < packet->size; i++)
fprintf(stderr, " %x", DNS_PACKET_DATA(packet)[i]);
fprintf(stderr, "\n");
}
TEST(packet_append_key_name_too_long) {
_cleanup_(dns_packet_unrefp) DnsPacket *packet = NULL;
_cleanup_(dns_resource_key_unrefp) DnsResourceKey *key = NULL;
int r;
ASSERT_OK(dns_packet_new(&packet, DNS_PROTOCOL_DNS, 0, DNS_PACKET_SIZE_MAX));
DNS_PACKET_ID(packet) = htobe16(42);
DNS_PACKET_HEADER(packet)->flags = htobe16(DNS_PACKET_MAKE_FLAGS(0, 0, 0, 0, 1, 0, 0, 0, 0));
DNS_PACKET_HEADER(packet)->qdcount = htobe16(1);
key = ASSERT_PTR(dns_resource_key_new(DNS_CLASS_IN, DNS_TYPE_A, "www.aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa.com"));
r = dns_packet_append_key(packet, key, 0, NULL);
log_debug("r = %d, size = %zu", r, packet->size);
log_debug("key name = <%s>", dns_resource_key_name(key));
dump_packet_data(packet);
ASSERT_EQ(r, -EINVAL);
ASSERT_EQ(packet->size, 12U);
}
DEFINE_TEST_MAIN(LOG_DEBUG)