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Rework query testcase, some dns cleanup

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This commit is contained in:
Erik Ekman
2007-01-28 11:52:36 +00:00
parent 89c99f1ddf
commit 1a46808b8a
5 changed files with 61 additions and 13 deletions
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53
tests/dns.c
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@@ -26,13 +26,16 @@
#include "structs.h"
#include "dns.h"
#include "encoding.h"
#include "test.h"
static char queryPacket[] =
"\x05\x39\x01\x00\x00\x01\x00\x00\x00\x00\x00\x01\x05\x73\x69\x6C\x6C"
"\x79\x04\x68\x6F\x73\x74\x02\x6F\x66\x06\x69\x6F\x64\x69\x6E\x65\x04"
"\x63\x6F\x64\x65\x04\x6B\x72\x79\x6F\x02\x73\x65\x00\x00\x0A\x00\x01"
"\x00\x00\x29\x10\x00\x00\x00\x80\x00\x00\x00";
"\x05\x39\x01\x00\x00\x01\x00\x00\x00\x00\x00\x01\x32\x41\x4A\x42\x43"
"\x55\x59\x54\x43\x50\x45\x42\x39\x47\x51\x39\x4C\x54\x45\x42\x55\x58"
"\x47\x49\x44\x55\x4E\x42\x53\x53\x41\x36\x44\x46\x4F\x4E\x39\x43\x41"
"\x5A\x44\x42\x32\x41\x41\x41\x41\x41\x36\x44\x42\x04\x6B\x72\x79\x6F"
"\x02\x73\x65\x00\x00\x0A\x00\x01\x00\x00\x29\x10\x00\x00\x00\x80\x00"
"\x00\x00";
static char answerPacket[] =
"\x05\x39\x84\x00\x00\x01\x00\x01\x00\x00\x00\x00\x05\x73\x69\x6C\x6C"
@@ -43,6 +46,9 @@ static char answerPacket[] =
"\x20\x62\x65\x20\x64\x65\x6C\x69\x76\x65\x72\x65\x64";
static char *msgData = "this is the message to be delivered";
static char *queryData = "HELLO this is the test data";
static char *recData = "AHELLO this is the test data"; // The A flag is added
START_TEST(test_encode_hostname)
{
@@ -102,17 +108,29 @@ END_TEST
START_TEST(test_encode_query)
{
char buf[512];
char *host = "silly.host.of.iodine.code.kryo.se";
char resolv[512];
char *host = "kryo.se";
struct query q;
char *d;
int len;
int pos;
int ret;
len = sizeof(buf);
memset(&buf, 0, sizeof(buf));
memset(&q, 0, sizeof(struct query));
q.type = T_NULL;
q.id = 1337;
d = resolv;
ret = dns_encode(buf, len, &q, QR_QUERY, host, strlen(host));
encode_data(queryData, strlen(queryData), 100, d, 'A');
pos = strlen(resolv);
d += pos;
if (*d != '.') {
*d++ = '.';
}
strncpy(d, host, strlen(host)+1);
ret = dns_encode(buf, len, &q, QR_QUERY, resolv, strlen(resolv));
len = sizeof(queryPacket) - 1; // Skip extra null character
fail_unless(strncmp(queryPacket, buf, sizeof(queryPacket)) == 0, "Did not compile expected packet");
@@ -120,6 +138,26 @@ START_TEST(test_encode_query)
}
END_TEST
START_TEST(test_decode_query)
{
char buf[512];
struct query q;
int len;
int ret;
memset(&q, 0, sizeof(struct query));
memset(&buf, 0, sizeof(buf));
q.id = 0;
len = sizeof(queryPacket) - 1;
dns_set_topdomain("kryo.se");
ret = dns_decode(buf, sizeof(buf), &q, QR_QUERY, queryPacket, len);
fail_unless(strncmp(buf, recData, ret) == 0, "Did not extract expected host: '%s'", buf);
fail_unless(strlen(buf) == strlen(recData), va_str("Bad host length: %d, expected %d", strlen(q.name), strlen(recData)));
}
END_TEST
START_TEST(test_encode_response)
{
char buf[512];
@@ -129,6 +167,7 @@ START_TEST(test_encode_response)
int ret;
len = sizeof(buf);
memset(&buf, 0, sizeof(buf));
memset(&q, 0, sizeof(struct query));
strncpy(q.name, host, strlen(host));
q.type = T_NULL;
@@ -149,6 +188,7 @@ START_TEST(test_decode_response)
int ret;
len = sizeof(buf);
memset(&buf, 0, sizeof(buf));
ret = dns_decode(buf, len, NULL, QR_ANSWER, answerPacket, sizeof(answerPacket)-1);
fail_unless(strncmp(msgData, buf, sizeof(msgData)) == 0, "Did not extract expected data");
@@ -166,6 +206,7 @@ test_dns_create_tests()
tcase_add_test(tc, test_encode_hostname_nodot);
tcase_add_test(tc, test_encode_hostname_toolong);
tcase_add_test(tc, test_encode_query);
tcase_add_test(tc, test_decode_query);
tcase_add_test(tc, test_encode_response);
tcase_add_test(tc, test_decode_response);