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#include "libntptest.h"
extern "C" {
#ifdef OPENSSL
# include "openssl/err.h"
# include "openssl/rand.h"
# include "openssl/evp.h"
#endif
#include "ntp.h"
#include "ntp_stdlib.h"
};
class a_md5encryptTest : public libntptest {
protected:
};
/*
* Example packet with MD5 hash calculated manually.
*/
const int keytype = KEY_TYPE_MD5;
const char *key = "abcdefgh";
const u_short keyLength = 8;
const char *packet = "ijklmnopqrstuvwx";
const int packetLength = 16;
const int keyIdLength = 4;
const int digestLength = 16;
const int totalLength = packetLength + keyIdLength + digestLength;
const char *expectedPacket = "ijklmnopqrstuvwx\0\0\0\0\x0c\x0e\x84\xcf\x0b\xb7\xa8\x68\x8e\x52\x38\xdb\xbc\x1c\x39\x53";
TEST_F(a_md5encryptTest, Encrypt) {
char *packetPtr = new char[totalLength];
memset(packetPtr+packetLength, 0, keyIdLength);
memcpy(packetPtr, packet, packetLength);
cache_secretsize = keyLength;
int length = MD5authencrypt(keytype, (u_char*)key, (u_int32*)packetPtr, packetLength);
EXPECT_TRUE(MD5authdecrypt(keytype, (u_char*)key, (u_int32*)packetPtr, packetLength, length));
EXPECT_EQ(20, length);
EXPECT_TRUE(memcmp(expectedPacket, packetPtr, totalLength) == 0);
delete[] packetPtr;
}
TEST_F(a_md5encryptTest, DecryptValid) {
cache_secretsize = keyLength;
EXPECT_TRUE(MD5authdecrypt(keytype, (u_char*)key, (u_int32*)expectedPacket, packetLength, 20));
}
TEST_F(a_md5encryptTest, DecryptInvalid) {
cache_secretsize = keyLength;
const char *invalidPacket = "ijklmnopqrstuvwx\0\0\0\0\x0c\x0e\x84\xcf\x0b\xb7\xa8\x68\x8e\x52\x38\xdb\xbc\x1c\x39\x54";
EXPECT_FALSE(MD5authdecrypt(keytype, (u_char*)key, (u_int32*)invalidPacket, packetLength, 20));
}
TEST_F(a_md5encryptTest, IPv4AddressToRefId) {
sockaddr_u addr;
addr.sa4.sin_family = AF_INET;
addr.sa4.sin_port = htons(80);
u_int32 address = inet_addr("192.0.2.1");
addr.sa4.sin_addr.s_addr = address;
EXPECT_EQ(address, addr2refid(&addr));
}
TEST_F(a_md5encryptTest, IPv6AddressToRefId) {
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;
const int expected = 0x75cffd52;
EXPECT_EQ(expected, addr2refid(&addr));
}
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