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#include "config.h"
#include "unity.h"
#ifdef OPENSSL
# include "openssl/err.h"
# include "openssl/rand.h"
# include "openssl/evp.h"
#endif
#include "ntp.h"
#include "ntp_stdlib.h"
u_long current_time = 4;
/*
* Example packet with MD5 hash calculated manually.
*/
const int keytype = KEY_TYPE_MD5;
const u_char *key = (const u_char*)"abcdefgh";
const u_short keyLength = 8;
const u_char *packet = (const u_char*)"ijklmnopqrstuvwx";
#define packetLength 16
#define keyIdLength 4
#define digestLength 16
#define totalLength (packetLength + keyIdLength + digestLength)
union {
u_char u8 [totalLength];
uint32_t u32[1];
} expectedPacket = {
"ijklmnopqrstuvwx\0\0\0\0\x0c\x0e\x84\xcf\x0b\xb7\xa8\x68\x8e\x52\x38\xdb\xbc\x1c\x39\x53"
};
union {
u_char u8 [totalLength];
uint32_t u32[1];
} invalidPacket = {
"ijklmnopqrstuvwx\0\0\0\0\x0c\x0e\x84\xcf\x0b\xb7\xa8\x68\x8e\x52\x38\xdb\xbc\x1c\x39\x54"
};
void test_Encrypt(void);
void test_DecryptValid(void);
void test_DecryptInvalid(void);
void test_IPv4AddressToRefId(void);
void test_IPv6AddressToRefId(void);
void
test_Encrypt(void) {
u_int32 *packetPtr;
int length;
packetPtr = emalloc(totalLength * sizeof(*packetPtr));
memset(packetPtr + packetLength, 0, keyIdLength);
memcpy(packetPtr, packet, packetLength);
cache_secretsize = keyLength;
length = MD5authencrypt(keytype, key, packetPtr, packetLength);
TEST_ASSERT_TRUE(MD5authdecrypt(keytype, key, packetPtr, packetLength, length));
TEST_ASSERT_EQUAL(20, length);
TEST_ASSERT_EQUAL_MEMORY(expectedPacket.u8, packetPtr, totalLength);
free(packetPtr);
}
void
test_DecryptValid(void) {
cache_secretsize = keyLength;
TEST_ASSERT_TRUE(MD5authdecrypt(keytype, key, expectedPacket.u32, packetLength, 20));
}
void
test_DecryptInvalid(void) {
cache_secretsize = keyLength;
TEST_ASSERT_FALSE(MD5authdecrypt(keytype, key, invalidPacket.u32, packetLength, 20));
}
void
test_IPv4AddressToRefId(void) {
sockaddr_u addr;
addr.sa4.sin_family = AF_INET;
u_int32 address;
addr.sa4.sin_port = htons(80);
address = inet_addr("192.0.2.1");
addr.sa4.sin_addr.s_addr = address;
TEST_ASSERT_EQUAL(address, addr2refid(&addr));
}
void
test_IPv6AddressToRefId(void) {
const int expected = 0x75cffd52;
const struct in6_addr address = { { {
0x20, 0x01, 0x0d, 0xb8,
0x85, 0xa3, 0x08, 0xd3,
0x13, 0x19, 0x8a, 0x2e,
0x03, 0x70, 0x73, 0x34
} } };
sockaddr_u addr;
addr.sa6.sin6_family = AF_INET6;
addr.sa6.sin6_addr = address;
#if 0
TEST_ASSERT_EQUAL(expected, addr2refid(&addr));
#else
(void)expected;
TEST_IGNORE_MESSAGE("Skipping because of big endian problem?");
#endif
}
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