
#include <winpr/crt.h>
#include <winpr/assert.h>
#include <winpr/sspi.h>
#include <winpr/print.h>
#include <winpr/wlog.h>
#include <winpr/ntlm.h>

struct test_input_t
{
	const char* user;
	const char* domain;
	const char* pwd;
	const BYTE* ntlm;
	const BYTE* ntlmv2;
	BOOL dynamic;
	BOOL expected;
};

typedef struct
{
	CtxtHandle context;
	ULONG cbMaxToken;
	ULONG fContextReq;
	ULONG pfContextAttr;
	TimeStamp expiration;
	PSecBuffer pBuffer;
	SecBuffer inputBuffer[2];
	SecBuffer outputBuffer[2];
	BOOL haveContext;
	BOOL haveInputBuffer;
	BOOL UseNtlmV2Hash;
	BOOL UseCallback;
	LPTSTR ServicePrincipalName;
	SecBufferDesc inputBufferDesc;
	SecBufferDesc outputBufferDesc;
	CredHandle credentials;
	BOOL confidentiality;
	SecPkgInfo* pPackageInfo;
	SecurityFunctionTable* table;
	SEC_WINNT_AUTH_IDENTITY_WINPR authData;
	SEC_WINPR_NTLM_SETTINGS settings;
} TEST_NTLM_SERVER;

static BYTE TEST_NTLM_TIMESTAMP[8] = { 0x33, 0x57, 0xbd, 0xb1, 0x07, 0x8b, 0xcf, 0x01 };

static BYTE TEST_NTLM_CLIENT_CHALLENGE[8] = { 0x20, 0xc0, 0x2b, 0x3d, 0xc0, 0x61, 0xa7, 0x73 };

static BYTE TEST_NTLM_SERVER_CHALLENGE[8] = { 0xa4, 0xf1, 0xba, 0xa6, 0x7c, 0xdc, 0x1a, 0x12 };

static BYTE TEST_NTLM_NEGOTIATE[] =
    "\x4e\x54\x4c\x4d\x53\x53\x50\x00\x01\x00\x00\x00\x07\x82\x08\xa2"
    "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
    "\x06\x03\x80\x25\x00\x00\x00\x0f";

static BYTE TEST_NTLM_CHALLENGE[] =
    "\x4e\x54\x4c\x4d\x53\x53\x50\x00\x02\x00\x00\x00\x00\x00\x00\x00"
    "\x38\x00\x00\x00\x07\x82\x88\xa2\xa4\xf1\xba\xa6\x7c\xdc\x1a\x12"
    "\x00\x00\x00\x00\x00\x00\x00\x00\x66\x00\x66\x00\x38\x00\x00\x00"
    "\x06\x03\x80\x25\x00\x00\x00\x0f\x02\x00\x0e\x00\x4e\x00\x45\x00"
    "\x57\x00\x59\x00\x45\x00\x41\x00\x52\x00\x01\x00\x0e\x00\x4e\x00"
    "\x45\x00\x57\x00\x59\x00\x45\x00\x41\x00\x52\x00\x04\x00\x1c\x00"
    "\x6c\x00\x61\x00\x62\x00\x2e\x00\x77\x00\x61\x00\x79\x00\x6b\x00"
    "\x2e\x00\x6c\x00\x6f\x00\x63\x00\x61\x00\x6c\x00\x03\x00\x0e\x00"
    "\x6e\x00\x65\x00\x77\x00\x79\x00\x65\x00\x61\x00\x72\x00\x07\x00"
    "\x08\x00\x33\x57\xbd\xb1\x07\x8b\xcf\x01\x00\x00\x00\x00";

static BYTE TEST_NTLM_AUTHENTICATE[] =
    "\x4e\x54\x4c\x4d\x53\x53\x50\x00\x03\x00\x00\x00\x18\x00\x18\x00"
    "\x82\x00\x00\x00\x08\x01\x08\x01\x9a\x00\x00\x00\x0c\x00\x0c\x00"
    "\x58\x00\x00\x00\x10\x00\x10\x00\x64\x00\x00\x00\x0e\x00\x0e\x00"
    "\x74\x00\x00\x00\x00\x00\x00\x00\xa2\x01\x00\x00\x05\x82\x88\xa2"
    "\x06\x03\x80\x25\x00\x00\x00\x0f\x12\xe5\x5a\xf5\x80\xee\x3f\x29"
    "\xe1\xde\x90\x4d\x73\x77\x06\x25\x44\x00\x6f\x00\x6d\x00\x61\x00"
    "\x69\x00\x6e\x00\x55\x00\x73\x00\x65\x00\x72\x00\x6e\x00\x61\x00"
    "\x6d\x00\x65\x00\x4e\x00\x45\x00\x57\x00\x59\x00\x45\x00\x41\x00"
    "\x52\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
    "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x62\x14\x68\xc8\x98\x12"
    "\xe7\x39\xd8\x76\x1b\xe9\xf7\x54\xb5\xe3\x01\x01\x00\x00\x00\x00"
    "\x00\x00\x33\x57\xbd\xb1\x07\x8b\xcf\x01\x20\xc0\x2b\x3d\xc0\x61"
    "\xa7\x73\x00\x00\x00\x00\x02\x00\x0e\x00\x4e\x00\x45\x00\x57\x00"
    "\x59\x00\x45\x00\x41\x00\x52\x00\x01\x00\x0e\x00\x4e\x00\x45\x00"
    "\x57\x00\x59\x00\x45\x00\x41\x00\x52\x00\x04\x00\x1c\x00\x6c\x00"
    "\x61\x00\x62\x00\x2e\x00\x77\x00\x61\x00\x79\x00\x6b\x00\x2e\x00"
    "\x6c\x00\x6f\x00\x63\x00\x61\x00\x6c\x00\x03\x00\x0e\x00\x6e\x00"
    "\x65\x00\x77\x00\x79\x00\x65\x00\x61\x00\x72\x00\x07\x00\x08\x00"
    "\x33\x57\xbd\xb1\x07\x8b\xcf\x01\x06\x00\x04\x00\x02\x00\x00\x00"
    "\x08\x00\x30\x00\x30\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00"
    "\x00\x20\x00\x00\x1e\x10\xf5\x2c\x54\x2f\x2e\x77\x1c\x13\xbf\xc3"
    "\x3f\xe1\x7b\x28\x7e\x0b\x93\x5a\x39\xd2\xce\x12\xd7\xbd\x8c\x4e"
    "\x2b\xb5\x0b\xf5\x0a\x00\x10\x00\x00\x00\x00\x00\x00\x00\x00\x00"
    "\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x1a\x00\x48\x00\x54\x00"
    "\x54\x00\x50\x00\x2f\x00\x72\x00\x77\x00\x2e\x00\x6c\x00\x6f\x00"
    "\x63\x00\x61\x00\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"
    "\x00\x00";

#define TEST_SSPI_INTERFACE SSPI_INTERFACE_WINPR

static const char* TEST_NTLM_USER = "Username";
static const char* TEST_NTLM_DOMAIN = "Domain";
static const char* TEST_NTLM_PASSWORD = "P4ss123!";

// static const char* TEST_NTLM_HASH_STRING = "d5922a65c4d5c082ca444af1be0001db";

static const BYTE TEST_NTLM_HASH[16] = { 0xd5, 0x92, 0x2a, 0x65, 0xc4, 0xd5, 0xc0, 0x82,
	                                     0xca, 0x44, 0x4a, 0xf1, 0xbe, 0x00, 0x01, 0xdb };

// static const char* TEST_NTLM_HASH_V2_STRING = "4c7f706f7dde05a9d1a0f4e7ffe3bfb8";

static const BYTE TEST_NTLM_V2_HASH[16] = { 0x4c, 0x7f, 0x70, 0x6f, 0x7d, 0xde, 0x05, 0xa9,
	                                        0xd1, 0xa0, 0xf4, 0xe7, 0xff, 0xe3, 0xbf, 0xb8 };

static const BYTE TEST_EMPTY_PWD_NTLM_HASH[] = { 0x31, 0xd6, 0xcf, 0xe0, 0xd1, 0x6a, 0xe9, 0x31,
	                                             0xb7, 0x3c, 0x59, 0xd7, 0xe0, 0xc0, 0x89, 0xc0 };

static const BYTE TEST_EMPTY_PWD_NTLM_V2_HASH[] = {
	0x0b, 0xce, 0x54, 0x87, 0x4e, 0x94, 0x20, 0x9e, 0x34, 0x48, 0x97, 0xc1, 0x60, 0x03, 0x6e, 0x3b
};

#define NTLM_PACKAGE_NAME NTLM_SSP_NAME

typedef struct
{
	CtxtHandle context;
	ULONG cbMaxToken;
	ULONG fContextReq;
	ULONG pfContextAttr;
	TimeStamp expiration;
	PSecBuffer pBuffer;
	SecBuffer inputBuffer[2];
	SecBuffer outputBuffer[2];
	BOOL haveContext;
	BOOL haveInputBuffer;
	LPTSTR ServicePrincipalName;
	SecBufferDesc inputBufferDesc;
	SecBufferDesc outputBufferDesc;
	CredHandle credentials;
	BOOL confidentiality;
	SecPkgInfo* pPackageInfo;
	SecurityFunctionTable* table;
	SEC_WINNT_AUTH_IDENTITY identity;
} TEST_NTLM_CLIENT;

WINPR_ATTR_NODISCARD
static void* getServerAuthData(TEST_NTLM_SERVER* ntlm, const struct test_input_t* arg,
                               psSspiNtlmHashCallback fkt)
{

	if (fkt)
	{
		ntlm->authData.identity.Version = SEC_WINNT_AUTH_IDENTITY_VERSION;
		ntlm->authData.identity.Length = sizeof(SEC_WINNT_AUTH_IDENTITY_EX);
		ntlm->authData.identity.Flags |=
		    SEC_WINNT_AUTH_IDENTITY_EXTENDED | SEC_WINNT_AUTH_IDENTITY_UNICODE;
		ntlm->settings.hashCallback = fkt;
		ntlm->settings.hashCallbackArg = arg;
		ntlm->authData.ntlmSettings = &ntlm->settings;
		ntlm->UseCallback = TRUE;
		return &ntlm->authData;
	}
	ntlm->UseCallback = FALSE;
	return nullptr;
}

static int test_ntlm_client_init(TEST_NTLM_CLIENT* ntlm, const char* user, const char* domain,
                                 const char* password)
{
	SECURITY_STATUS status = SEC_E_INTERNAL_ERROR;

	WINPR_ASSERT(ntlm);

	SecInvalidateHandle(&(ntlm->context));
	ntlm->table = InitSecurityInterfaceEx(TEST_SSPI_INTERFACE);
	if (!ntlm->table)
		return -1;
	const int rc = sspi_SetAuthIdentity(&(ntlm->identity), user, domain, password);
	if (rc < 0)
		return rc;

	status = ntlm->table->QuerySecurityPackageInfo(NTLM_PACKAGE_NAME, &ntlm->pPackageInfo);

	if (status != SEC_E_OK)
	{
		(void)fprintf(stderr, "QuerySecurityPackageInfo status: %s (0x%08" PRIX32 ")\n",
		              GetSecurityStatusString(status), status);
		return -1;
	}

	ntlm->cbMaxToken = ntlm->pPackageInfo->cbMaxToken;
	status = ntlm->table->AcquireCredentialsHandle(nullptr, NTLM_PACKAGE_NAME, SECPKG_CRED_OUTBOUND,
	                                               nullptr, &ntlm->identity, nullptr, nullptr,
	                                               &ntlm->credentials, &ntlm->expiration);

	if (status != SEC_E_OK)
	{
		(void)fprintf(stderr, "AcquireCredentialsHandle status: %s (0x%08" PRIX32 ")\n",
		              GetSecurityStatusString(status), status);
		return -1;
	}

	ntlm->haveContext = FALSE;
	ntlm->haveInputBuffer = FALSE;
	ZeroMemory(&ntlm->inputBuffer, sizeof(SecBuffer));
	ZeroMemory(&ntlm->outputBuffer, sizeof(SecBuffer));
	ntlm->fContextReq = 0;

	/* NLA authentication flags */
	ntlm->fContextReq |= ISC_REQ_MUTUAL_AUTH;
	ntlm->fContextReq |= ISC_REQ_CONFIDENTIALITY;
	ntlm->fContextReq |= ISC_REQ_USE_SESSION_KEY;
	return 1;
}

static void test_ntlm_client_uninit(TEST_NTLM_CLIENT* ntlm)
{
	if (!ntlm)
		return;

	if (ntlm->outputBuffer[0].pvBuffer)
	{
		free(ntlm->outputBuffer[0].pvBuffer);
		ntlm->outputBuffer[0].pvBuffer = nullptr;
	}

	free(ntlm->identity.User);
	free(ntlm->identity.Domain);
	free(ntlm->identity.Password);
	free(ntlm->ServicePrincipalName);

	if (ntlm->table)
	{
		SECURITY_STATUS status = ntlm->table->FreeCredentialsHandle(&ntlm->credentials);
		WINPR_ASSERT((status == SEC_E_OK) || (status == SEC_E_SECPKG_NOT_FOUND) ||
		             (status == SEC_E_UNSUPPORTED_FUNCTION));

		status = ntlm->table->FreeContextBuffer(ntlm->pPackageInfo);
		WINPR_ASSERT((status == SEC_E_OK) || (status = SEC_E_INVALID_HANDLE));

		status = ntlm->table->DeleteSecurityContext(&ntlm->context);
		WINPR_ASSERT((status == SEC_E_OK) || (status == SEC_E_SECPKG_NOT_FOUND) ||
		             (status == SEC_E_UNSUPPORTED_FUNCTION));
	}
}

/**
 *                                        SSPI Client Ceremony
 *
 *                                           --------------
 *                                          ( Client Begin )
 *                                           --------------
 *                                                 |
 *                                                 |
 *                                                \|/
 *                                      -----------+--------------
 *                                     | AcquireCredentialsHandle |
 *                                      --------------------------
 *                                                 |
 *                                                 |
 *                                                \|/
 *                                    -------------+--------------
 *                 +---------------> / InitializeSecurityContext /
 *                 |                 ----------------------------
 *                 |                               |
 *                 |                               |
 *                 |                              \|/
 *     ---------------------------        ---------+-------------            ----------------------
 *    / Receive blob from server /      < Received security blob? > --Yes-> / Send blob to server /
 *    -------------+-------------         -----------------------           ----------------------
 *                /|\                              |                                |
 *                 |                               No                               |
 *                Yes                             \|/                               |
 *                 |                   ------------+-----------                     |
 *                 +---------------- < Received Continue Needed > <-----------------+
 *                                     ------------------------
 *                                                 |
 *                                                 No
 *                                                \|/
 *                                           ------+-------
 *                                          (  Client End  )
 *                                           --------------
 */
static BOOL IsSecurityStatusError(SECURITY_STATUS status)
{
	BOOL error = TRUE;

	switch (status)
	{
		case SEC_E_OK:
		case SEC_I_CONTINUE_NEEDED:
		case SEC_I_COMPLETE_NEEDED:
		case SEC_I_COMPLETE_AND_CONTINUE:
		case SEC_I_LOCAL_LOGON:
		case SEC_I_CONTEXT_EXPIRED:
		case SEC_I_INCOMPLETE_CREDENTIALS:
		case SEC_I_RENEGOTIATE:
		case SEC_I_NO_LSA_CONTEXT:
		case SEC_I_SIGNATURE_NEEDED:
		case SEC_I_NO_RENEGOTIATION:
			error = FALSE;
			break;
		default:
			break;
	}

	return error;
}

static int test_ntlm_client_authenticate(TEST_NTLM_CLIENT* ntlm)
{
	SECURITY_STATUS status = SEC_E_INTERNAL_ERROR;

	WINPR_ASSERT(ntlm);
	if (ntlm->outputBuffer[0].pvBuffer)
	{
		free(ntlm->outputBuffer[0].pvBuffer);
		ntlm->outputBuffer[0].pvBuffer = nullptr;
	}

	ntlm->outputBufferDesc.ulVersion = SECBUFFER_VERSION;
	ntlm->outputBufferDesc.cBuffers = 1;
	ntlm->outputBufferDesc.pBuffers = ntlm->outputBuffer;
	ntlm->outputBuffer[0].BufferType = SECBUFFER_TOKEN;
	ntlm->outputBuffer[0].cbBuffer = ntlm->cbMaxToken;
	ntlm->outputBuffer[0].pvBuffer = malloc(ntlm->outputBuffer[0].cbBuffer);

	if (!ntlm->outputBuffer[0].pvBuffer)
		return -1;

	if (ntlm->haveInputBuffer)
	{
		ntlm->inputBufferDesc.ulVersion = SECBUFFER_VERSION;
		ntlm->inputBufferDesc.cBuffers = 1;
		ntlm->inputBufferDesc.pBuffers = ntlm->inputBuffer;
		ntlm->inputBuffer[0].BufferType = SECBUFFER_TOKEN;
	}

	if ((!ntlm) || (!ntlm->table))
	{
		(void)fprintf(stderr, "ntlm_authenticate: invalid ntlm context\n");
		return -1;
	}

	status = ntlm->table->InitializeSecurityContext(
	    &ntlm->credentials, (ntlm->haveContext) ? &ntlm->context : nullptr,
	    (ntlm->ServicePrincipalName) ? ntlm->ServicePrincipalName : nullptr, ntlm->fContextReq, 0,
	    SECURITY_NATIVE_DREP, (ntlm->haveInputBuffer) ? &ntlm->inputBufferDesc : nullptr, 0,
	    &ntlm->context, &ntlm->outputBufferDesc, &ntlm->pfContextAttr, &ntlm->expiration);

	if (IsSecurityStatusError(status))
		return -1;

	if ((status == SEC_I_COMPLETE_AND_CONTINUE) || (status == SEC_I_COMPLETE_NEEDED))
	{
		if (ntlm->table->CompleteAuthToken)
		{
			SECURITY_STATUS rc =
			    ntlm->table->CompleteAuthToken(&ntlm->context, &ntlm->outputBufferDesc);
			if (rc != SEC_E_OK)
				return -1;
		}

		if (status == SEC_I_COMPLETE_NEEDED)
			status = SEC_E_OK;
		else if (status == SEC_I_COMPLETE_AND_CONTINUE)
			status = SEC_I_CONTINUE_NEEDED;
	}

	if (ntlm->haveInputBuffer)
	{
		free(ntlm->inputBuffer[0].pvBuffer);
	}

	ntlm->haveInputBuffer = TRUE;
	ntlm->haveContext = TRUE;
	return (status == SEC_I_CONTINUE_NEEDED) ? 1 : 0;
}

static void test_ntlm_client_free(TEST_NTLM_CLIENT* ntlm)
{
	if (!ntlm)
		return;

	test_ntlm_client_uninit(ntlm);
	free(ntlm);
}

WINPR_ATTR_MALLOC(test_ntlm_client_free, 1)
static TEST_NTLM_CLIENT* test_ntlm_client_new(void)
{
	TEST_NTLM_CLIENT* ntlm = (TEST_NTLM_CLIENT*)calloc(1, sizeof(TEST_NTLM_CLIENT));

	if (!ntlm)
		return nullptr;

	return ntlm;
}

static int test_ntlm_server_init(TEST_NTLM_SERVER* ntlm, const struct test_input_t* arg,
                                 psSspiNtlmHashCallback fkt)
{
	SECURITY_STATUS status = SEC_E_INTERNAL_ERROR;

	WINPR_ASSERT(ntlm);

	ntlm->UseNtlmV2Hash = TRUE;
	SecInvalidateHandle(&(ntlm->context));
	ntlm->table = InitSecurityInterfaceEx(TEST_SSPI_INTERFACE);
	if (!ntlm->table)
		return SEC_E_INTERNAL_ERROR;

	status = ntlm->table->QuerySecurityPackageInfo(NTLM_PACKAGE_NAME, &ntlm->pPackageInfo);

	if (status != SEC_E_OK)
	{
		(void)fprintf(stderr, "QuerySecurityPackageInfo status: %s (0x%08" PRIX32 ")\n",
		              GetSecurityStatusString(status), status);
		return -1;
	}

	void* authData = getServerAuthData(ntlm, arg, fkt);
	ntlm->cbMaxToken = ntlm->pPackageInfo->cbMaxToken;
	status = ntlm->table->AcquireCredentialsHandle(nullptr, NTLM_PACKAGE_NAME, SECPKG_CRED_INBOUND,
	                                               nullptr, authData, nullptr, nullptr,
	                                               &ntlm->credentials, &ntlm->expiration);

	if (status != SEC_E_OK)
	{
		(void)fprintf(stderr, "AcquireCredentialsHandle status: %s (0x%08" PRIX32 ")\n",
		              GetSecurityStatusString(status), status);
		return -1;
	}

	ntlm->haveContext = FALSE;
	ntlm->haveInputBuffer = FALSE;
	ZeroMemory(&ntlm->inputBuffer, sizeof(SecBuffer));
	ZeroMemory(&ntlm->outputBuffer, sizeof(SecBuffer));
	ntlm->fContextReq = 0;
	/* NLA authentication flags */
	ntlm->fContextReq |= ASC_REQ_MUTUAL_AUTH;
	ntlm->fContextReq |= ASC_REQ_CONFIDENTIALITY;
	ntlm->fContextReq |= ASC_REQ_CONNECTION;
	ntlm->fContextReq |= ASC_REQ_USE_SESSION_KEY;
	ntlm->fContextReq |= ASC_REQ_REPLAY_DETECT;
	ntlm->fContextReq |= ASC_REQ_SEQUENCE_DETECT;
	ntlm->fContextReq |= ASC_REQ_EXTENDED_ERROR;
	return 1;
}

static void test_ntlm_server_uninit(TEST_NTLM_SERVER* ntlm)
{
	if (!ntlm)
		return;

	if (ntlm->outputBuffer[0].pvBuffer)
	{
		free(ntlm->outputBuffer[0].pvBuffer);
		ntlm->outputBuffer[0].pvBuffer = nullptr;
	}

	free(ntlm->ServicePrincipalName);

	if (ntlm->table)
	{
		SECURITY_STATUS status = ntlm->table->FreeCredentialsHandle(&ntlm->credentials);
		WINPR_ASSERT(status == SEC_E_OK);
		status = ntlm->table->FreeContextBuffer(ntlm->pPackageInfo);
		WINPR_ASSERT(status == SEC_E_OK);
		status = ntlm->table->DeleteSecurityContext(&ntlm->context);
		WINPR_ASSERT(status == SEC_E_OK);
	}
}

static int test_ntlm_server_authenticate(const struct test_input_t* targ, TEST_NTLM_SERVER* ntlm)
{
	SECURITY_STATUS status = SEC_E_INTERNAL_ERROR;

	WINPR_ASSERT(ntlm);
	WINPR_ASSERT(targ);

	ntlm->inputBufferDesc.ulVersion = SECBUFFER_VERSION;
	ntlm->inputBufferDesc.cBuffers = 1;
	ntlm->inputBufferDesc.pBuffers = ntlm->inputBuffer;
	ntlm->inputBuffer[0].BufferType = SECBUFFER_TOKEN;
	ntlm->outputBufferDesc.ulVersion = SECBUFFER_VERSION;
	ntlm->outputBufferDesc.cBuffers = 1;
	ntlm->outputBufferDesc.pBuffers = &ntlm->outputBuffer[0];
	ntlm->outputBuffer[0].BufferType = SECBUFFER_TOKEN;
	ntlm->outputBuffer[0].cbBuffer = ntlm->cbMaxToken;
	ntlm->outputBuffer[0].pvBuffer = malloc(ntlm->outputBuffer[0].cbBuffer);

	if (!ntlm->outputBuffer[0].pvBuffer)
		return -1;

	status = ntlm->table->AcceptSecurityContext(
	    &ntlm->credentials, ntlm->haveContext ? &ntlm->context : nullptr, &ntlm->inputBufferDesc,
	    ntlm->fContextReq, SECURITY_NATIVE_DREP, &ntlm->context, &ntlm->outputBufferDesc,
	    &ntlm->pfContextAttr, &ntlm->expiration);

	if (status == SEC_I_CONTINUE_NEEDED)
	{
		SecPkgContext_AuthNtlmHash AuthNtlmHash = WINPR_C_ARRAY_INIT;

		if (!ntlm->UseCallback)
		{
			if (ntlm->UseNtlmV2Hash)
			{
				AuthNtlmHash.Version = 2;
				CopyMemory(AuthNtlmHash.NtlmHash, targ->ntlmv2, 16);
			}
			else
			{
				AuthNtlmHash.Version = 1;
				CopyMemory(AuthNtlmHash.NtlmHash, targ->ntlm, 16);
			}

			status = ntlm->table->SetContextAttributes(&ntlm->context, SECPKG_ATTR_AUTH_NTLM_HASH,
			                                           &AuthNtlmHash,
			                                           sizeof(SecPkgContext_AuthNtlmHash));
		}
	}

	if ((status != SEC_E_OK) && (status != SEC_I_CONTINUE_NEEDED))
	{
		(void)fprintf(stderr, "AcceptSecurityContext status: %s (0x%08" PRIX32 ")\n",
		              GetSecurityStatusString(status), status);
		return -1; /* Access Denied */
	}

	ntlm->haveContext = TRUE;
	return (status == SEC_I_CONTINUE_NEEDED) ? 1 : 0;
}

static void test_ntlm_server_free(TEST_NTLM_SERVER* ntlm)
{
	if (!ntlm)
		return;

	test_ntlm_server_uninit(ntlm);
	free(ntlm);
}

WINPR_ATTR_MALLOC(test_ntlm_server_free, 1)
static TEST_NTLM_SERVER* test_ntlm_server_new(void)
{
	TEST_NTLM_SERVER* ntlm = (TEST_NTLM_SERVER*)calloc(1, sizeof(TEST_NTLM_SERVER));

	if (!ntlm)
		return nullptr;

	return ntlm;
}

static BOOL test_default(const struct test_input_t* arg, psSspiNtlmHashCallback fkt)
{
	BOOL rc = FALSE;
	PSecBuffer pSecBuffer = nullptr;

	WINPR_ASSERT(arg);

	printf("testcase {user=%s, domain=%s, password=%s, dynamic=%s}\n", arg->user, arg->domain,
	       arg->pwd, arg->dynamic ? "TRUE" : "FALSE");

	/**
	 * Client Initialization
	 */
	TEST_NTLM_CLIENT* client = test_ntlm_client_new();
	TEST_NTLM_SERVER* server = test_ntlm_server_new();

	if (!client || !server)
	{
		printf("Memory allocation failed\n");
		goto fail;
	}

	int status = test_ntlm_client_init(client, arg->user, arg->domain, arg->pwd);

	if (status < 0)
	{
		printf("test_ntlm_client_init failure\n");
		goto fail;
	}

	/**
	 * Server Initialization
	 */

	status = test_ntlm_server_init(server, arg, fkt);

	if (status < 0)
	{
		printf("test_ntlm_server_init failure\n");
		goto fail;
	}

	/**
	 * Client -> Negotiate Message
	 */
	status = test_ntlm_client_authenticate(client);

	if (status < 0)
	{
		printf("test_ntlm_client_authenticate failure\n");
		goto fail;
	}

	if (!arg->dynamic)
	{
		SecPkgContext_AuthNtlmTimestamp AuthNtlmTimestamp = WINPR_C_ARRAY_INIT;
		SecPkgContext_AuthNtlmClientChallenge AuthNtlmClientChallenge = WINPR_C_ARRAY_INIT;
		SecPkgContext_AuthNtlmServerChallenge AuthNtlmServerChallenge = WINPR_C_ARRAY_INIT;
		CopyMemory(AuthNtlmTimestamp.Timestamp, TEST_NTLM_TIMESTAMP, 8);
		AuthNtlmTimestamp.ChallengeOrResponse = TRUE;
		SECURITY_STATUS rc = client->table->SetContextAttributes(
		    &client->context, SECPKG_ATTR_AUTH_NTLM_TIMESTAMP, &AuthNtlmTimestamp,
		    sizeof(SecPkgContext_AuthNtlmTimestamp));
		WINPR_ASSERT((rc == SEC_E_OK) || (rc == SEC_E_SECPKG_NOT_FOUND));

		AuthNtlmTimestamp.ChallengeOrResponse = FALSE;
		rc = client->table->SetContextAttributes(&client->context, SECPKG_ATTR_AUTH_NTLM_TIMESTAMP,
		                                         &AuthNtlmTimestamp,
		                                         sizeof(SecPkgContext_AuthNtlmTimestamp));
		WINPR_ASSERT((rc == SEC_E_OK) || (rc == SEC_E_SECPKG_NOT_FOUND));

		CopyMemory(AuthNtlmClientChallenge.ClientChallenge, TEST_NTLM_CLIENT_CHALLENGE, 8);
		CopyMemory(AuthNtlmServerChallenge.ServerChallenge, TEST_NTLM_SERVER_CHALLENGE, 8);
		rc = client->table->SetContextAttributes(
		    &client->context, SECPKG_ATTR_AUTH_NTLM_CLIENT_CHALLENGE, &AuthNtlmClientChallenge,
		    sizeof(SecPkgContext_AuthNtlmClientChallenge));
		WINPR_ASSERT((rc == SEC_E_OK) || (rc == SEC_E_SECPKG_NOT_FOUND));

		rc = client->table->SetContextAttributes(
		    &client->context, SECPKG_ATTR_AUTH_NTLM_SERVER_CHALLENGE, &AuthNtlmServerChallenge,
		    sizeof(SecPkgContext_AuthNtlmServerChallenge));
		WINPR_ASSERT((rc == SEC_E_OK) || (rc == SEC_E_SECPKG_NOT_FOUND));
	}

	pSecBuffer = &(client->outputBuffer[0]);

	if (!arg->dynamic)
	{
		pSecBuffer->cbBuffer = sizeof(TEST_NTLM_NEGOTIATE) - 1;
		free(pSecBuffer->pvBuffer);
		pSecBuffer->pvBuffer = malloc(pSecBuffer->cbBuffer);

		if (!pSecBuffer->pvBuffer)
		{
			printf("Memory allocation failed\n");
			goto fail;
		}

		CopyMemory(pSecBuffer->pvBuffer, TEST_NTLM_NEGOTIATE, pSecBuffer->cbBuffer);
	}

	(void)fprintf(stderr, "NTLM_NEGOTIATE (length = %" PRIu32 "):\n", pSecBuffer->cbBuffer);
	winpr_HexDump("sspi.test", WLOG_DEBUG, (BYTE*)pSecBuffer->pvBuffer, pSecBuffer->cbBuffer);
	/**
	 * Server <- Negotiate Message
	 * Server -> Challenge Message
	 */
	server->haveInputBuffer = TRUE;
	server->inputBuffer[0].BufferType = SECBUFFER_TOKEN;
	server->inputBuffer[0].pvBuffer = pSecBuffer->pvBuffer;
	server->inputBuffer[0].cbBuffer = pSecBuffer->cbBuffer;
	status = test_ntlm_server_authenticate(arg, server);

	if (status < 0)
	{
		printf("test_ntlm_server_authenticate failure\n");
		goto fail;
	}

	if (!arg->dynamic)
	{
		SecPkgContext_AuthNtlmTimestamp AuthNtlmTimestamp = WINPR_C_ARRAY_INIT;
		SecPkgContext_AuthNtlmClientChallenge AuthNtlmClientChallenge = WINPR_C_ARRAY_INIT;
		SecPkgContext_AuthNtlmServerChallenge AuthNtlmServerChallenge = WINPR_C_ARRAY_INIT;
		CopyMemory(AuthNtlmTimestamp.Timestamp, TEST_NTLM_TIMESTAMP, 8);
		AuthNtlmTimestamp.ChallengeOrResponse = TRUE;
		SECURITY_STATUS rc = client->table->SetContextAttributes(
		    &server->context, SECPKG_ATTR_AUTH_NTLM_TIMESTAMP, &AuthNtlmTimestamp,
		    sizeof(SecPkgContext_AuthNtlmTimestamp));
		WINPR_ASSERT(rc == SEC_E_OK);

		AuthNtlmTimestamp.ChallengeOrResponse = FALSE;
		rc = client->table->SetContextAttributes(&server->context, SECPKG_ATTR_AUTH_NTLM_TIMESTAMP,
		                                         &AuthNtlmTimestamp,
		                                         sizeof(SecPkgContext_AuthNtlmTimestamp));
		WINPR_ASSERT(rc == SEC_E_OK);

		CopyMemory(AuthNtlmClientChallenge.ClientChallenge, TEST_NTLM_CLIENT_CHALLENGE, 8);
		CopyMemory(AuthNtlmServerChallenge.ServerChallenge, TEST_NTLM_SERVER_CHALLENGE, 8);
		rc = server->table->SetContextAttributes(
		    &server->context, SECPKG_ATTR_AUTH_NTLM_CLIENT_CHALLENGE, &AuthNtlmClientChallenge,
		    sizeof(SecPkgContext_AuthNtlmClientChallenge));
		WINPR_ASSERT(rc == SEC_E_OK);

		rc = server->table->SetContextAttributes(
		    &server->context, SECPKG_ATTR_AUTH_NTLM_SERVER_CHALLENGE, &AuthNtlmServerChallenge,
		    sizeof(SecPkgContext_AuthNtlmServerChallenge));
		WINPR_ASSERT(rc == SEC_E_OK);
	}

	pSecBuffer = &(server->outputBuffer[0]);

	if (!arg->dynamic)
	{
		SecPkgContext_AuthNtlmMessage AuthNtlmMessage = WINPR_C_ARRAY_INIT;
		pSecBuffer->cbBuffer = sizeof(TEST_NTLM_CHALLENGE) - 1;
		free(pSecBuffer->pvBuffer);
		pSecBuffer->pvBuffer = malloc(pSecBuffer->cbBuffer);

		if (!pSecBuffer->pvBuffer)
		{
			printf("Memory allocation failed\n");
			goto fail;
		}

		CopyMemory(pSecBuffer->pvBuffer, TEST_NTLM_CHALLENGE, pSecBuffer->cbBuffer);
		AuthNtlmMessage.type = 2;
		AuthNtlmMessage.length = pSecBuffer->cbBuffer;
		AuthNtlmMessage.buffer = (BYTE*)pSecBuffer->pvBuffer;
		SECURITY_STATUS rc = server->table->SetContextAttributes(
		    &server->context, SECPKG_ATTR_AUTH_NTLM_MESSAGE, &AuthNtlmMessage,
		    sizeof(SecPkgContext_AuthNtlmMessage));
		if (rc != SEC_E_OK)
			goto fail;
	}

	(void)fprintf(stderr, "NTLM_CHALLENGE (length = %" PRIu32 "):\n", pSecBuffer->cbBuffer);
	winpr_HexDump("sspi.test", WLOG_DEBUG, (BYTE*)pSecBuffer->pvBuffer, pSecBuffer->cbBuffer);
	/**
	 * Client <- Challenge Message
	 * Client -> Authenticate Message
	 */
	client->haveInputBuffer = TRUE;
	client->inputBuffer[0].BufferType = SECBUFFER_TOKEN;
	client->inputBuffer[0].pvBuffer = pSecBuffer->pvBuffer;
	client->inputBuffer[0].cbBuffer = pSecBuffer->cbBuffer;
	status = test_ntlm_client_authenticate(client);

	if (status < 0)
	{
		printf("test_ntlm_client_authenticate failure\n");
		goto fail;
	}

	pSecBuffer = &(client->outputBuffer[0]);

	if (!arg->dynamic)
	{
		pSecBuffer->cbBuffer = sizeof(TEST_NTLM_AUTHENTICATE) - 1;
		free(pSecBuffer->pvBuffer);
		pSecBuffer->pvBuffer = malloc(pSecBuffer->cbBuffer);

		if (!pSecBuffer->pvBuffer)
		{
			printf("Memory allocation failed\n");
			goto fail;
		}

		CopyMemory(pSecBuffer->pvBuffer, TEST_NTLM_AUTHENTICATE, pSecBuffer->cbBuffer);
	}

	(void)fprintf(stderr, "NTLM_AUTHENTICATE (length = %" PRIu32 "):\n", pSecBuffer->cbBuffer);
	winpr_HexDump("sspi.test", WLOG_DEBUG, (BYTE*)pSecBuffer->pvBuffer, pSecBuffer->cbBuffer);
	/**
	 * Server <- Authenticate Message
	 */
	server->haveInputBuffer = TRUE;
	server->inputBuffer[0].BufferType = SECBUFFER_TOKEN;
	server->inputBuffer[0].pvBuffer = pSecBuffer->pvBuffer;
	server->inputBuffer[0].cbBuffer = pSecBuffer->cbBuffer;
	status = test_ntlm_server_authenticate(arg, server);

	if (status < 0)
	{
		printf("test_ntlm_server_authenticate failure\n");
		goto fail;
	}

	rc = TRUE;

fail:
	/**
	 * Cleanup & Termination
	 */
	test_ntlm_client_free(client);
	test_ntlm_server_free(server);

	printf("testcase {user=%s, domain=%s, password=%s, dynamic=%s} returns %d\n", arg->user,
	       arg->domain, arg->pwd, arg->dynamic ? "TRUE" : "FALSE", rc);
	return rc;
}

static SECURITY_STATUS testCallback(void* client, const SEC_WINNT_AUTH_IDENTITY* authIdentity,
                                    const SecBuffer* ntproofvalue, const BYTE* randkey,
                                    const BYTE* mic, const SecBuffer* micvalue, BYTE* ntlmhash)
{
	const struct test_input_t* arg = client;
	WINPR_ASSERT(arg);
	WINPR_ASSERT(authIdentity);
	WINPR_ASSERT(ntproofvalue);
	WINPR_ASSERT(randkey);
	WINPR_ASSERT(mic);
	WINPR_ASSERT(micvalue);
	WINPR_ASSERT(ntlmhash);

	if ((authIdentity->Flags & SEC_WINNT_AUTH_IDENTITY_UNICODE) != 0)
	{
		if (!NTOWFv2FromHashW(arg->ntlm, authIdentity->User, authIdentity->UserLength * 2,
		                      authIdentity->Domain, authIdentity->DomainLength * 2, ntlmhash))
			return SEC_E_ENCRYPT_FAILURE;
	}
	else
	{
		if (!NTOWFv2FromHashA(arg->ntlm, (char*)authIdentity->User, authIdentity->UserLength,
		                      (char*)authIdentity->Domain, authIdentity->DomainLength, ntlmhash))
			return SEC_E_ENCRYPT_FAILURE;
	}

	if (memcmp(ntlmhash, arg->ntlmv2, 16) != 0)
		return SEC_E_DECRYPT_FAILURE;

	return SEC_E_OK;
}

static SECURITY_STATUS testFailCallback(void* client, const SEC_WINNT_AUTH_IDENTITY* authIdentity,
                                        const SecBuffer* ntproofvalue, const BYTE* randkey,
                                        const BYTE* mic, const SecBuffer* micvalue, BYTE* ntlmhash)
{
	const struct test_input_t* arg = client;
	WINPR_ASSERT(arg);
	WINPR_ASSERT(authIdentity);
	WINPR_ASSERT(ntproofvalue);
	WINPR_ASSERT(randkey);
	WINPR_ASSERT(mic);
	WINPR_ASSERT(micvalue);
	WINPR_ASSERT(ntlmhash);

	if ((authIdentity->Flags & SEC_WINNT_AUTH_IDENTITY_UNICODE) != 0)
	{
		if (!NTOWFv2FromHashW(arg->ntlm, authIdentity->User, authIdentity->UserLength * 2,
		                      authIdentity->Domain, authIdentity->DomainLength * 2, ntlmhash))
			return SEC_E_ENCRYPT_FAILURE;
	}
	else
	{
		if (!NTOWFv2FromHashA(arg->ntlm, (char*)authIdentity->User, authIdentity->UserLength,
		                      (char*)authIdentity->Domain, authIdentity->DomainLength, ntlmhash))
			return SEC_E_ENCRYPT_FAILURE;
	}

	if (memcmp(ntlmhash, arg->ntlmv2, 16) != 0)
		return SEC_E_DECRYPT_FAILURE;

	return SEC_E_DECRYPT_FAILURE;
}

int TestSspiNTLM(int argc, char* argv[])
{
	WINPR_UNUSED(argc);
	WINPR_UNUSED(argv);

	const struct test_input_t inputs[] = {
		{ TEST_NTLM_USER, TEST_NTLM_DOMAIN, TEST_NTLM_PASSWORD, TEST_NTLM_HASH, TEST_NTLM_V2_HASH,
		  TRUE, TRUE },
		{ TEST_NTLM_USER, TEST_NTLM_DOMAIN, TEST_NTLM_PASSWORD, TEST_NTLM_HASH, TEST_NTLM_V2_HASH,
		  FALSE, TRUE },
		{ TEST_NTLM_USER, TEST_NTLM_DOMAIN, "", TEST_EMPTY_PWD_NTLM_HASH,
		  TEST_EMPTY_PWD_NTLM_V2_HASH, TRUE, TRUE },
		{ TEST_NTLM_USER, TEST_NTLM_DOMAIN, nullptr, TEST_EMPTY_PWD_NTLM_HASH,
		  TEST_EMPTY_PWD_NTLM_V2_HASH, TRUE, FALSE }
	};

	for (size_t x = 0; x < ARRAYSIZE(inputs); x++)
	{
		const struct test_input_t* cur = &inputs[x];
		const BOOL res = test_default(cur, nullptr);
		if (res != cur->expected)
		{
			printf("%s [%" PRIuz "] fail 1!\n", __func__, x);
			return -1;
		}
		const BOOL res2 = test_default(cur, testCallback);
		if (res2 != cur->expected)
		{
			printf("%s [%" PRIuz "] fail 2!\n", __func__, x);
			return -2;
		}
		const BOOL res3 = test_default(cur, testFailCallback);
		if (res3 != FALSE)
		{
			printf("%s [%" PRIuz "] fail 2!\n", __func__, x);
			return -2;
		}
	}
	printf("%s success!\n", __func__);
	return 0;
}
