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test: extend ntp_core unit test

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This commit is contained in:
Miroslav Lichvar 2018-08-27 17:18:20 +02:00
parent af4fe92095
commit dbf2c22467
2 changed files with 48 additions and 11 deletions
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53
test/unit/ntp_core.c
View file

@ -63,6 +63,18 @@ advance_time(double x)
UTI_AddDoubleToTimespec(&current_time, x, &current_time);
}
static uint32_t
get_random_key_id(void)
{
uint32_t id;
do {
id = random() % 6 + 2;
} while (!KEY_KeyKnown(id));
return id;
}
static void
send_request(NCR_Instance inst)
{
@ -122,6 +134,7 @@ static void
send_response(int interleaved, int authenticated, int allow_update, int valid_ts, int valid_auth)
{
NTP_Packet *req, *res;
int auth_len = 0;
req = &req_buffer.ntp_pkt;
res = &res_buffer.ntp_pkt;
@ -168,24 +181,41 @@ send_response(int interleaved, int authenticated, int allow_update, int valid_ts
}
if (authenticated) {
res->auth_keyid = req->auth_keyid;
KEY_GenerateAuth(ntohl(res->auth_keyid), (unsigned char *)res, NTP_NORMAL_PACKET_LENGTH,
res->auth_data, 16);
res_length = NTP_NORMAL_PACKET_LENGTH + 4 + 16;
res->auth_keyid = req->auth_keyid ? req->auth_keyid : htonl(get_random_key_id());
auth_len = KEY_GetAuthLength(ntohl(res->auth_keyid));
assert(auth_len);
if (NTP_LVM_TO_VERSION(res->lvm) == 4 && random() % 2)
auth_len = MIN(auth_len, NTP_MAX_V4_MAC_LENGTH - 4);
if (KEY_GenerateAuth(ntohl(res->auth_keyid), (unsigned char *)res,
NTP_NORMAL_PACKET_LENGTH, res->auth_data, auth_len) != auth_len)
assert(0);
res_length = NTP_NORMAL_PACKET_LENGTH + 4 + auth_len;
} else {
res_length = NTP_NORMAL_PACKET_LENGTH;
}
if (!valid_auth) {
switch (random() % 3) {
if (!valid_auth && authenticated) {
assert(auth_len);
switch (random() % 4) {
case 0:
res->auth_keyid++;
res->auth_keyid = htonl(ntohl(res->auth_keyid) + 1);
break;
case 1:
res->auth_data[random() % 16]++;
res->auth_keyid = htonl(ntohl(res->auth_keyid) ^ 1);
if (KEY_GenerateAuth(ntohl(res->auth_keyid), (unsigned char *)res,
NTP_NORMAL_PACKET_LENGTH, res->auth_data, auth_len) != auth_len)
assert(0);
break;
case 2:
res_length = NTP_NORMAL_PACKET_LENGTH;
res->auth_data[random() % auth_len]++;
break;
case 3:
res_length = NTP_NORMAL_PACKET_LENGTH + 4 * (random() % ((4 + auth_len) / 4));
if (NTP_LVM_TO_VERSION(res->lvm) == 4 &&
res_length == NTP_NORMAL_PACKET_LENGTH + NTP_MAX_V4_MAC_LENGTH)
res_length -= 4;
break;
default:
assert(0);
@ -292,7 +322,10 @@ test_unit(void)
NIO_Initialise(IPADDR_UNSPEC);
NCR_Initialise();
REF_Initialise();
TST_SuspendLogging();
KEY_Initialise();
TST_ResumeLogging();
CNF_SetupAccessRestrictions();
@ -302,7 +335,7 @@ test_unit(void)
if (random() % 2)
source.params.interleaved = 1;
if (random() % 2)
source.params.authkey = 1;
source.params.authkey = get_random_key_id();
source.params.version = random() % 4 + 1;
UTI_ZeroTimespec(&current_time);

6
test/unit/ntp_core.keys
View file

@ -1,2 +1,6 @@
1 MD5 HEX:38979C567358C0896F4D9D459A3C8B8478654579
2 MD5 HEX:38979C567358C0896F4D9D459A3C8B8478654579
3 MD5 HEX:38979C567358C0896F4D9D459A3C8B8478654579
4 SHA1 HEX:B71744EA01FBF01CA30D173ECDDF901952AE356A
5 SHA1 HEX:B71744EA01FBF01CA30D173ECDDF901952AE356A
6 SHA512 HEX:DE027482F22B201FC20863F58C74095E7906089F
7 SHA512 HEX:DE027482F22B201FC20863F58C74095E7906089F