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From 41968e7b742ad59046523a7eeb63514237fb63af Mon Sep 17 00:00:00 2001
From: Neil Horman <nhorman@openssl.org>
Date: Fri, 27 Oct 2023 14:57:37 -0400
Subject: [PATCH] Prevent accessing of global c++ objects once they are deleted

Fixes (Maybe) #729.
Reset objects_deleted after reset is called.
---
 src/lib/SoftHSM.cpp |   5 ++
 src/lib/main.cpp    | 138 ++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 143 insertions(+)

diff --git a/src/lib/SoftHSM.cpp b/src/lib/SoftHSM.cpp
index 02c0f95ec..95bf208da 100644
--- a/src/lib/SoftHSM.cpp
+++ b/src/lib/SoftHSM.cpp
@@ -89,6 +89,8 @@
 
 // Initialise the one-and-only instance
 
+int objects_deleted = 0;
+
 #ifdef HAVE_CXX11
 
 std::unique_ptr<MutexFactory> MutexFactory::instance(nullptr);
@@ -406,6 +408,8 @@ void SoftHSM::reset()
 {
 	if (instance.get())
 		instance.reset();
+
+	objects_deleted = 0;
 }
 
 // Constructor
@@ -445,6 +449,7 @@ SoftHSM::~SoftHSM()
 
 	isInitialised = false;
 
+	objects_deleted = 1;
 	resetMutexFactoryCallbacks();
 }
 
diff --git a/src/lib/main.cpp b/src/lib/main.cpp
index 2dfd0eb87..e89f18c10 100644
--- a/src/lib/main.cpp
+++ b/src/lib/main.cpp
@@ -49,6 +49,8 @@
 #define PKCS_API
 #endif
 
+extern int objects_deleted;
+
 // PKCS #11 function list
 static CK_FUNCTION_LIST functionList =
 {
@@ -130,6 +132,8 @@ PKCS_API CK_RV C_Initialize(CK_VOID_PTR pInitArgs)
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_Initialize(pInitArgs);
 	}
 	catch (...)
@@ -145,6 +149,8 @@ PKCS_API CK_RV C_Finalize(CK_VOID_PTR pReserved)
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_Finalize(pReserved);
 	}
 	catch (...)
@@ -160,6 +166,8 @@ PKCS_API CK_RV C_GetInfo(CK_INFO_PTR pInfo)
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_GetInfo(pInfo);
 	}
 	catch (...)
@@ -175,6 +183,8 @@ PKCS_API CK_RV C_GetFunctionList(CK_FUNCTION_LIST_PTR_PTR ppFunctionList)
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		if (ppFunctionList == NULL_PTR) return CKR_ARGUMENTS_BAD;
 
 		*ppFunctionList = &functionList;
@@ -194,6 +204,8 @@ PKCS_API CK_RV C_GetSlotList(CK_BBOOL tokenPresent, CK_SLOT_ID_PTR pSlotList, CK
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_GetSlotList(tokenPresent, pSlotList, pulCount);
 	}
 	catch (...)
@@ -209,6 +221,8 @@ PKCS_API CK_RV C_GetSlotInfo(CK_SLOT_ID slotID, CK_SLOT_INFO_PTR pInfo)
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_GetSlotInfo(slotID, pInfo);
 	}
 	catch (...)
@@ -224,6 +238,8 @@ PKCS_API CK_RV C_GetTokenInfo(CK_SLOT_ID slotID, CK_TOKEN_INFO_PTR pInfo)
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_GetTokenInfo(slotID, pInfo);
 	}
 	catch (...)
@@ -239,6 +255,8 @@ PKCS_API CK_RV C_GetMechanismList(CK_SLOT_ID slotID, CK_MECHANISM_TYPE_PTR pMech
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_GetMechanismList(slotID, pMechanismList, pulCount);
 	}
 	catch (...)
@@ -254,6 +272,8 @@ PKCS_API CK_RV C_GetMechanismInfo(CK_SLOT_ID slotID, CK_MECHANISM_TYPE type, CK_
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_GetMechanismInfo(slotID, type, pInfo);
 	}
 	catch (...)
@@ -269,6 +289,8 @@ PKCS_API CK_RV C_InitToken(CK_SLOT_ID slotID, CK_UTF8CHAR_PTR pPin, CK_ULONG ulP
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_InitToken(slotID, pPin, ulPinLen, pLabel);
 	}
 	catch (...)
@@ -284,6 +306,8 @@ PKCS_API CK_RV C_InitPIN(CK_SESSION_HANDLE hSession, CK_UTF8CHAR_PTR pPin, CK_UL
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_InitPIN(hSession, pPin, ulPinLen);
 	}
 	catch (...)
@@ -299,6 +323,8 @@ PKCS_API CK_RV C_SetPIN(CK_SESSION_HANDLE hSession, CK_UTF8CHAR_PTR pOldPin, CK_
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_SetPIN(hSession, pOldPin, ulOldLen, pNewPin, ulNewLen);
 	}
 	catch (...)
@@ -314,6 +340,8 @@ PKCS_API CK_RV C_OpenSession(CK_SLOT_ID slotID, CK_FLAGS flags, CK_VOID_PTR pApp
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_OpenSession(slotID, flags, pApplication, notify, phSession);
 	}
 	catch (...)
@@ -329,6 +357,8 @@ PKCS_API CK_RV C_CloseSession(CK_SESSION_HANDLE hSession)
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_CloseSession(hSession);
 	}
 	catch (...)
@@ -344,6 +374,8 @@ PKCS_API CK_RV C_CloseAllSessions(CK_SLOT_ID slotID)
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_CloseAllSessions(slotID);
 	}
 	catch (...)
@@ -359,6 +391,8 @@ PKCS_API CK_RV C_GetSessionInfo(CK_SESSION_HANDLE hSession, CK_SESSION_INFO_PTR
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_GetSessionInfo(hSession, pInfo);
 	}
 	catch (...)
@@ -374,6 +408,8 @@ PKCS_API CK_RV C_GetOperationState(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pOper
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_GetOperationState(hSession, pOperationState, pulOperationStateLen);
 	}
 	catch (...)
@@ -389,6 +425,8 @@ PKCS_API CK_RV C_SetOperationState(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pOper
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_SetOperationState(hSession, pOperationState, ulOperationStateLen, hEncryptionKey, hAuthenticationKey);
 	}
 	catch (...)
@@ -404,6 +442,8 @@ PKCS_API CK_RV C_Login(CK_SESSION_HANDLE hSession, CK_USER_TYPE userType, CK_UTF
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_Login(hSession, userType, pPin, ulPinLen);
 	}
 	catch (...)
@@ -419,6 +459,8 @@ PKCS_API CK_RV C_Logout(CK_SESSION_HANDLE hSession)
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_Logout(hSession);
 	}
 	catch (...)
@@ -434,6 +476,8 @@ PKCS_API CK_RV C_CreateObject(CK_SESSION_HANDLE hSession, CK_ATTRIBUTE_PTR pTemp
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_CreateObject(hSession, pTemplate, ulCount, phObject);
 	}
 	catch (...)
@@ -449,6 +493,8 @@ PKCS_API CK_RV C_CopyObject(CK_SESSION_HANDLE hSession, CK_OBJECT_HANDLE hObject
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_CopyObject(hSession, hObject, pTemplate, ulCount, phNewObject);
 	}
 	catch (...)
@@ -464,6 +510,8 @@ PKCS_API CK_RV C_DestroyObject(CK_SESSION_HANDLE hSession, CK_OBJECT_HANDLE hObj
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_DestroyObject(hSession, hObject);
 	}
 	catch (...)
@@ -479,6 +527,8 @@ PKCS_API CK_RV C_GetObjectSize(CK_SESSION_HANDLE hSession, CK_OBJECT_HANDLE hObj
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_GetObjectSize(hSession, hObject, pulSize);
 	}
 	catch (...)
@@ -494,6 +544,8 @@ PKCS_API CK_RV C_GetAttributeValue(CK_SESSION_HANDLE hSession, CK_OBJECT_HANDLE
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_GetAttributeValue(hSession, hObject, pTemplate, ulCount);
 	}
 	catch (...)
@@ -509,6 +561,8 @@ PKCS_API CK_RV C_SetAttributeValue(CK_SESSION_HANDLE hSession, CK_OBJECT_HANDLE
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_SetAttributeValue(hSession, hObject, pTemplate, ulCount);
 	}
 	catch (...)
@@ -524,6 +578,8 @@ PKCS_API CK_RV C_FindObjectsInit(CK_SESSION_HANDLE hSession, CK_ATTRIBUTE_PTR pT
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_FindObjectsInit(hSession, pTemplate, ulCount);
 	}
 	catch (...)
@@ -539,6 +595,8 @@ PKCS_API CK_RV C_FindObjects(CK_SESSION_HANDLE hSession, CK_OBJECT_HANDLE_PTR ph
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_FindObjects(hSession, phObject, ulMaxObjectCount, pulObjectCount);
 	}
 	catch (...)
@@ -554,6 +612,8 @@ PKCS_API CK_RV C_FindObjectsFinal(CK_SESSION_HANDLE hSession)
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_FindObjectsFinal(hSession);
 	}
 	catch (...)
@@ -569,6 +629,8 @@ PKCS_API CK_RV C_EncryptInit(CK_SESSION_HANDLE hSession, CK_MECHANISM_PTR pMecha
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_EncryptInit(hSession, pMechanism, hObject);
 	}
 	catch (...)
@@ -584,6 +646,8 @@ PKCS_API CK_RV C_Encrypt(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pData, CK_ULONG
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_Encrypt(hSession, pData, ulDataLen, pEncryptedData, pulEncryptedDataLen);
 	}
 	catch (...)
@@ -599,6 +663,8 @@ PKCS_API CK_RV C_EncryptUpdate(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pData, CK
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_EncryptUpdate(hSession, pData, ulDataLen, pEncryptedData, pulEncryptedDataLen);
 	}
 	catch (...)
@@ -614,6 +680,8 @@ PKCS_API CK_RV C_EncryptFinal(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pEncrypted
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_EncryptFinal(hSession, pEncryptedData, pulEncryptedDataLen);
 	}
 	catch (...)
@@ -629,6 +697,8 @@ PKCS_API CK_RV C_DecryptInit(CK_SESSION_HANDLE hSession, CK_MECHANISM_PTR pMecha
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_DecryptInit(hSession, pMechanism, hObject);
 	}
 	catch (...)
@@ -644,6 +714,8 @@ PKCS_API CK_RV C_Decrypt(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pEncryptedData,
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_Decrypt(hSession, pEncryptedData, ulEncryptedDataLen, pData, pulDataLen);
 	}
 	catch (...)
@@ -659,6 +731,8 @@ PKCS_API CK_RV C_DecryptUpdate(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pEncrypte
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_DecryptUpdate(hSession, pEncryptedData, ulEncryptedDataLen, pData, pDataLen);
 	}
 	catch (...)
@@ -674,6 +748,8 @@ PKCS_API CK_RV C_DecryptFinal(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pData, CK_
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_DecryptFinal(hSession, pData, pDataLen);
 	}
 	catch (...)
@@ -689,6 +765,8 @@ PKCS_API CK_RV C_DigestInit(CK_SESSION_HANDLE hSession, CK_MECHANISM_PTR pMechan
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_DigestInit(hSession, pMechanism);
 	}
 	catch (...)
@@ -704,6 +782,8 @@ PKCS_API CK_RV C_Digest(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pData, CK_ULONG
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_Digest(hSession, pData, ulDataLen, pDigest, pulDigestLen);
 	}
 	catch (...)
@@ -719,6 +799,8 @@ PKCS_API CK_RV C_DigestUpdate(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pPart, CK_
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_DigestUpdate(hSession, pPart, ulPartLen);
 	}
 	catch (...)
@@ -734,6 +816,8 @@ PKCS_API CK_RV C_DigestKey(CK_SESSION_HANDLE hSession, CK_OBJECT_HANDLE hObject)
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_DigestKey(hSession, hObject);
 	}
 	catch (...)
@@ -749,6 +833,8 @@ PKCS_API CK_RV C_DigestFinal(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pDigest, CK
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_DigestFinal(hSession, pDigest, pulDigestLen);
 	}
 	catch (...)
@@ -764,6 +850,8 @@ PKCS_API CK_RV C_SignInit(CK_SESSION_HANDLE hSession, CK_MECHANISM_PTR pMechanis
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_SignInit(hSession, pMechanism, hKey);
 	}
 	catch (...)
@@ -779,6 +867,8 @@ PKCS_API CK_RV C_Sign(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pData, CK_ULONG ul
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_Sign(hSession, pData, ulDataLen, pSignature, pulSignatureLen);
 	}
 	catch (...)
@@ -794,6 +884,8 @@ PKCS_API CK_RV C_SignUpdate(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pPart, CK_UL
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_SignUpdate(hSession, pPart, ulPartLen);
 	}
 	catch (...)
@@ -809,6 +901,8 @@ PKCS_API CK_RV C_SignFinal(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pSignature, C
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_SignFinal(hSession, pSignature, pulSignatureLen);
 	}
 	catch (...)
@@ -824,6 +918,8 @@ PKCS_API CK_RV C_SignRecoverInit(CK_SESSION_HANDLE hSession, CK_MECHANISM_PTR pM
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_SignRecoverInit(hSession, pMechanism, hKey);
 	}
 	catch (...)
@@ -839,6 +935,8 @@ PKCS_API CK_RV C_SignRecover(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pData, CK_U
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_SignRecover(hSession, pData, ulDataLen, pSignature, pulSignatureLen);
 	}
 	catch (...)
@@ -854,6 +952,8 @@ PKCS_API CK_RV C_VerifyInit(CK_SESSION_HANDLE hSession, CK_MECHANISM_PTR pMechan
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_VerifyInit(hSession, pMechanism, hKey);
 	}
 	catch (...)
@@ -869,6 +969,8 @@ PKCS_API CK_RV C_Verify(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pData, CK_ULONG
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_Verify(hSession, pData, ulDataLen, pSignature, ulSignatureLen);
 	}
 	catch (...)
@@ -884,6 +986,8 @@ PKCS_API CK_RV C_VerifyUpdate(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pPart, CK_
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_VerifyUpdate(hSession, pPart, ulPartLen);
 	}
 	catch (...)
@@ -899,6 +1003,8 @@ PKCS_API CK_RV C_VerifyFinal(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pSignature,
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_VerifyFinal(hSession, pSignature, ulSignatureLen);
 	}
 	catch (...)
@@ -914,6 +1020,8 @@ PKCS_API CK_RV C_VerifyRecoverInit(CK_SESSION_HANDLE hSession, CK_MECHANISM_PTR
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_VerifyRecoverInit(hSession, pMechanism, hKey);
 	}
 	catch (...)
@@ -929,6 +1037,8 @@ PKCS_API CK_RV C_VerifyRecover(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pSignatur
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_VerifyRecover(hSession, pSignature, ulSignatureLen, pData, pulDataLen);
 	}
 	catch (...)
@@ -944,6 +1054,8 @@ PKCS_API CK_RV C_DigestEncryptUpdate(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pPa
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_DigestEncryptUpdate(hSession, pPart, ulPartLen, pEncryptedPart, pulEncryptedPartLen);
 	}
 	catch (...)
@@ -959,6 +1071,8 @@ PKCS_API CK_RV C_DecryptDigestUpdate(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pPa
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_DecryptDigestUpdate(hSession, pPart, ulPartLen, pDecryptedPart, pulDecryptedPartLen);
 	}
 	catch (...)
@@ -974,6 +1088,8 @@ PKCS_API CK_RV C_SignEncryptUpdate(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pPart
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_SignEncryptUpdate(hSession, pPart, ulPartLen, pEncryptedPart, pulEncryptedPartLen);
 	}
 	catch (...)
@@ -989,6 +1105,8 @@ PKCS_API CK_RV C_DecryptVerifyUpdate(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pEn
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_DecryptVerifyUpdate(hSession, pEncryptedPart, ulEncryptedPartLen, pPart, pulPartLen);
 	}
 	catch (...)
@@ -1004,6 +1122,8 @@ PKCS_API CK_RV C_GenerateKey(CK_SESSION_HANDLE hSession, CK_MECHANISM_PTR pMecha
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_GenerateKey(hSession, pMechanism, pTemplate, ulCount, phKey);
 	}
 	catch (...)
@@ -1029,6 +1149,8 @@ PKCS_API CK_RV C_GenerateKeyPair
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_GenerateKeyPair(hSession, pMechanism, pPublicKeyTemplate, ulPublicKeyAttributeCount, pPrivateKeyTemplate, ulPrivateKeyAttributeCount, phPublicKey, phPrivateKey);
 	}
 	catch (...)
@@ -1052,6 +1174,8 @@ PKCS_API CK_RV C_WrapKey
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_WrapKey(hSession, pMechanism, hWrappingKey, hKey, pWrappedKey, pulWrappedKeyLen);
 	}
 	catch (...)
@@ -1077,6 +1201,8 @@ PKCS_API CK_RV C_UnwrapKey
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_UnwrapKey(hSession, pMechanism, hUnwrappingKey, pWrappedKey, ulWrappedKeyLen, pTemplate, ulCount, phKey);
 	}
 	catch (...)
@@ -1100,6 +1226,8 @@ PKCS_API CK_RV C_DeriveKey
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_DeriveKey(hSession, pMechanism, hBaseKey, pTemplate, ulCount, phKey);
 	}
 	catch (...)
@@ -1115,6 +1243,8 @@ PKCS_API CK_RV C_SeedRandom(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pSeed, CK_UL
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_SeedRandom(hSession, pSeed, ulSeedLen);
 	}
 	catch (...)
@@ -1130,6 +1260,8 @@ PKCS_API CK_RV C_GenerateRandom(CK_SESSION_HANDLE hSession, CK_BYTE_PTR pRandomD
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_GenerateRandom(hSession, pRandomData, ulRandomLen);
 	}
 	catch (...)
@@ -1145,6 +1277,8 @@ PKCS_API CK_RV C_GetFunctionStatus(CK_SESSION_HANDLE hSession)
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_GetFunctionStatus(hSession);
 	}
 	catch (...)
@@ -1160,6 +1294,8 @@ PKCS_API CK_RV C_CancelFunction(CK_SESSION_HANDLE hSession)
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_CancelFunction(hSession);
 	}
 	catch (...)
@@ -1175,6 +1311,8 @@ PKCS_API CK_RV C_WaitForSlotEvent(CK_FLAGS flags, CK_SLOT_ID_PTR pSlot, CK_VOID_
 {
 	try
 	{
+		if (objects_deleted == 1)
+			return CKR_FUNCTION_FAILED;
 		return SoftHSM::i()->C_WaitForSlotEvent(flags, pSlot, pReserved);
 	}
 	catch (...)
rpms / softhsm

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