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https://github.com/RIOT-OS/RIOT.git
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unittests: add test for dns_msg
Co-Authored-By: Martine Lenders <martine.lenders@tu-dresden.de>
This commit is contained in:
Benjamin Valentin
Martine Lenders
parent
344d4b80bf
commit
0463b2705f
1
tests/unittests/tests-dns_msg/Makefile
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1
tests/unittests/tests-dns_msg/Makefile
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include $(RIOTBASE)/Makefile.base
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5
tests/unittests/tests-dns_msg/Makefile.include
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5
tests/unittests/tests-dns_msg/Makefile.include
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USEMODULE += dns_msg
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USEMODULE += gnrc_ipv6
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USEMODULE += sock_udp
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USEMODULE += posix_inet
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159
tests/unittests/tests-dns_msg/tests-dns_msg.c
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159
tests/unittests/tests-dns_msg/tests-dns_msg.c
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/*
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* Copyright (C) 2024 ML!PA Consulting GmbH
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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#include <stdint.h>
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#include <string.h>
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#include "net/af.h"
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#include "net/ipv6.h"
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#include "ztimer.h"
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#include "net/dns/msg.h"
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#include "tests-dns_msg.h"
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static void test_dns_msg_valid_AAAA(void)
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{
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const uint8_t dns_msg[] = {
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/* in scapy notation:
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* <DNS id=0 qr=1 opcode=QUERY aa=0 tc=0 rd=1 ra=1 z=0 ad=0 cd=0 rcode=ok
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* qdcount=1 ancount=1 nscount=0 arcount=0
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* qd=<DNSQR qname='example.org.' qtype=AAAA qclass=IN |>
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* an=<DNSRR rrname='\\xc0\x0c' type=AAAA rclass=IN ttl=300
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* rdata=2001:db8:4005:80b::200e |>
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* ns=None ar=None |> */
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0x00, 0x00, 0x81, 0x80, 0x00, 0x01, 0x00, 0x01,
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0x00, 0x00, 0x00, 0x00, 0x07, 0x65, 0x78, 0x61,
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0x6d, 0x70, 0x6c, 0x65, 0x03, 0x6f, 0x72, 0x67,
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0x00, 0x00, 0x1c, 0x00, 0x01, 0xc0, 0x0c, 0x00,
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0x1c, 0x00, 0x01, 0x00, 0x00, 0x01, 0x2c, 0x00,
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0x10, 0x20, 0x01, 0x0d, 0xb8, 0x40, 0x05, 0x08,
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0x0b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20,
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0x0e
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};
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const uint8_t addr[] = {
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/* 2001:db8:4005:80b::200e */
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0x20, 0x01, 0x0d, 0xb8, 0x40, 0x05, 0x08, 0x0b,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x0e,
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};
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const uint32_t ttl = 300;
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uint8_t addr_out[16];
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uint32_t ttl_out;
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int res = dns_msg_parse_reply(dns_msg, sizeof(dns_msg), AF_INET6, &addr_out, &ttl_out);
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TEST_ASSERT_EQUAL_INT(16, res);
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TEST_ASSERT_EQUAL_INT(ttl, ttl_out);
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TEST_ASSERT_EQUAL_INT(0, memcmp(addr, addr_out, sizeof(addr)));
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}
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static void test_dns_msg_valid_dns64(void)
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{
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const uint8_t dns_msg[] = {
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/* in scapy notation:
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* <DNS id=0 qr=1 opcode=QUERY aa=0 tc=0 rd=1 ra=1 z=0 ad=0 cd=0 rcode=ok
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qdcount=1 ancount=1 nscount=0 arcount=0
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qd=<DNSQR qname='example.org.' qtype=AAAA qclass=IN |>
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an=<DNSRR rrname='\\xc0\x0c' type=AAAA rclass=IN ttl=60
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rdata=2001:db8:2b0:db32:0:1:8c52:7903 |>
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ns=None ar=None |> */
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0x00, 0x00, 0x81, 0x80, 0x00, 0x01, 0x00, 0x01,
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0x00, 0x00, 0x00, 0x00, 0x07, 0x65, 0x78, 0x61,
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0x6d, 0x70, 0x6c, 0x65, 0x03, 0x6f, 0x72, 0x67,
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0x00, 0x00, 0x1c, 0x00, 0x01, 0xc0, 0x0c, 0x00,
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0x1c, 0x00, 0x01, 0x00, 0x00, 0x00, 0x3c, 0x00,
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0x10, 0x20, 0x01, 0x0d, 0xb8, 0x02, 0xb0, 0xdb,
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0x32, 0x00, 0x00, 0x00, 0x01, 0x8c, 0x52, 0x79,
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0x03
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};
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const uint8_t addr[] = {
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/* 2001:db8:2b0:db32:0:1:8c52:7903 */
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0x20, 0x01, 0x0d, 0xb8, 0x02, 0xb0, 0xdb, 0x32,
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0x00, 0x00, 0x00, 0x01, 0x8c, 0x52, 0x79, 0x03,
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};
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const uint32_t ttl = 60;
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uint8_t addr_out[16];
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uint32_t ttl_out;
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int res = dns_msg_parse_reply(dns_msg, sizeof(dns_msg), AF_INET6, &addr_out, &ttl_out);
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TEST_ASSERT_EQUAL_INT(16, res);
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TEST_ASSERT_EQUAL_INT(ttl, ttl_out);
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TEST_ASSERT_EQUAL_INT(0, memcmp(addr, addr_out, sizeof(addr)));
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}
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static void test_dns_msg_valid_dns64_w_long_cnames(void)
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{
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const uint8_t dns_msg[] = {
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/* in scapy notation:
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* <DNS id=0 qr=1 opcode=QUERY aa=0 tc=0 rd=1 ra=1 z=0 ad=0 cd=0 rcode=ok
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* qdcount=1 ancount=3 nscount=0 arcount=0
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* qd=<DNSQR qname='the.too.long.name.for.the.example.net.' qtype=AAAA qclass=IN |>
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* an=<DNSRR rrname='\\xc0\x0c' type=CNAME rclass=IN ttl=600
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* rdata='the.too.long.name.for.the.example.net.' |
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* <DNSRR rrname='\\xc0C' type=CNAME rclass=IN ttl=90
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* rdata='this-is-becoming-ridic.ulous.naming.cloud.example.com.' |
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* <DNSRR rrname='\\xc0p' type=AAAA rclass=IN ttl=10
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* rdata=2001:db8:2b0:db32:0:1:1432:418d |>>>
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* ns=None ar=None |>
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*/
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0x00, 0x00, 0x81, 0x80, 0x00, 0x01, 0x00, 0x03,
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0x00, 0x00, 0x00, 0x00, 0x03, 0x74, 0x68, 0x65,
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0x03, 0x74, 0x6f, 0x6f, 0x04, 0x6c, 0x6f, 0x6e,
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0x67, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x03, 0x66,
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0x6f, 0x72, 0x03, 0x74, 0x68, 0x65, 0x07, 0x65,
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0x78, 0x61, 0x6d, 0x70, 0x6c, 0x65, 0x03, 0x6e,
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0x65, 0x74, 0x00, 0x00, 0x1c, 0x00, 0x01, 0xc0,
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0x0c, 0x00, 0x05, 0x00, 0x01, 0x00, 0x00, 0x02,
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0x58, 0x00, 0x21, 0x03, 0x74, 0x68, 0x65, 0x04,
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0x65, 0x76, 0x65, 0x6e, 0x10, 0x6c, 0x6f, 0x6f,
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0x6f, 0x6f, 0x6f, 0x6f, 0x6f, 0x6f, 0x6f, 0x6f,
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0x6f, 0x6e, 0x67, 0x65, 0x72, 0x04, 0x6e, 0x61,
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0x6d, 0x65, 0xc0, 0x26, 0xc0, 0x43, 0x00, 0x05,
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0x00, 0x01, 0x00, 0x00, 0x00, 0x5a, 0x00, 0x37,
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0x16, 0x74, 0x68, 0x69, 0x73, 0x2d, 0x69, 0x73,
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0x2d, 0x62, 0x65, 0x63, 0x6f, 0x6d, 0x69, 0x6e,
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0x67, 0x2d, 0x72, 0x69, 0x64, 0x69, 0x63, 0x05,
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0x75, 0x6c, 0x6f, 0x75, 0x73, 0x06, 0x6e, 0x61,
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0x6d, 0x69, 0x6e, 0x67, 0x05, 0x63, 0x6c, 0x6f,
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0x75, 0x64, 0x07, 0x65, 0x78, 0x61, 0x6d, 0x70,
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0x6c, 0x65, 0x03, 0x63, 0x6f, 0x6d, 0x00, 0xc0,
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0x70, 0x00, 0x1c, 0x00, 0x01, 0x00, 0x00, 0x00,
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0x0a, 0x00, 0x10, 0x20, 0x01, 0x0d, 0xb8, 0x02,
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0xb0, 0xdb, 0x32, 0x00, 0x00, 0x00, 0x01, 0x14,
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0x32, 0x41, 0x8d
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};
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const uint8_t addr[] = {
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/* 2001:db8:2b0:db32:0:1:1432:418d */
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0x20, 0x01, 0x0d, 0xb8, 0x02, 0xb0, 0xdb, 0x32,
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0x00, 0x00, 0x00, 0x01, 0x14, 0x32, 0x41, 0x8d,
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};
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const uint32_t ttl = 10;
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uint8_t addr_out[16];
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uint32_t ttl_out;
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int res = dns_msg_parse_reply(dns_msg, sizeof(dns_msg), AF_INET6, &addr_out, &ttl_out);
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TEST_ASSERT_EQUAL_INT(16, res);
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TEST_ASSERT_EQUAL_INT(ttl, ttl_out);
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TEST_ASSERT_EQUAL_INT(0, memcmp(addr, addr_out, sizeof(addr)));
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}
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Test *tests_dns_msg_tests(void)
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{
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EMB_UNIT_TESTFIXTURES(fixtures) {
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new_TestFixture(test_dns_msg_valid_AAAA),
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new_TestFixture(test_dns_msg_valid_dns64),
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new_TestFixture(test_dns_msg_valid_dns64_w_long_cnames),
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};
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EMB_UNIT_TESTCALLER(dns_msg_tests, NULL, NULL, fixtures);
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return (Test *)&dns_msg_tests;
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}
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void tests_dns_msg(void)
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{
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TESTS_RUN(tests_dns_msg_tests());
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}
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44
tests/unittests/tests-dns_msg/tests-dns_msg.h
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44
tests/unittests/tests-dns_msg/tests-dns_msg.h
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@ -0,0 +1,44 @@
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/*
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* Copyright (C) 2024 ML!PA Consulting GmbH
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @addtogroup unittests
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* @{
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*
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* @file
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* @brief Unittests for the `dns_msg` module
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*
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* @author Benjamin Valentin <benjamin.valentin@ml-pa.com>
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*/
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#ifndef TESTS_DNS_MSG_H
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#define TESTS_DNS_MSG_H
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#include "embUnit.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief The entry point of this test suite.
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*/
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void tests_dns_msg(void);
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/**
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* @brief Generates tests for dns_msg
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*
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* @return embUnit tests if successful, NULL if not.
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*/
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Test *tests_dns_msg_tests(void);
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#ifdef __cplusplus
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}
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#endif
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#endif /* TESTS_DNS_MSG_H */
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/** @} */
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