/*============================================================================
* OpcUa_MemoryStream_CreateReadable
*===========================================================================*/
OpcUa_StatusCode OpcUa_MemoryStream_CreateReadable(
OpcUa_Byte* buffer,
OpcUa_UInt32 bufferSize,
OpcUa_InputStream** istrm)
{
OpcUa_StatusCode uStatus = OpcUa_Good;
OpcUa_MemoryStream* handle = OpcUa_Null;
OpcUa_DeclareErrorTraceModule(OpcUa_Module_MemoryStream);
OpcUa_ReturnErrorIfNull(istrm, OpcUa_BadInvalidArgument);
*istrm = OpcUa_Null;
handle = (OpcUa_MemoryStream*)OpcUa_Alloc(sizeof(OpcUa_MemoryStream));
OpcUa_GotoErrorIfAllocFailed(handle);
OpcUa_MemSet(handle, 0, sizeof(OpcUa_MemoryStream));
handle->SanityCheck = OpcUa_MemoryStream_SanityCheck;
handle->pBuffer = OpcUa_Null;
handle->Closed = OpcUa_False;
uStatus = OpcUa_Buffer_Create(buffer, bufferSize, bufferSize, bufferSize, OpcUa_False, (OpcUa_Buffer**)&handle->pBuffer);
OpcUa_GotoErrorIfBad(uStatus);
*istrm = (OpcUa_InputStream*)OpcUa_Alloc(sizeof(OpcUa_InputStream));
OpcUa_GotoErrorIfAllocFailed(*istrm);
(*istrm)->Type = OpcUa_StreamType_Input;
(*istrm)->Handle = handle;
(*istrm)->GetPosition = OpcUa_MemoryStream_GetPosition;
(*istrm)->SetPosition = OpcUa_MemoryStream_SetPosition;
(*istrm)->Close = OpcUa_MemoryStream_Close;
(*istrm)->Delete = OpcUa_MemoryStream_Delete;
(*istrm)->Read = OpcUa_MemoryStream_Read;
(*istrm)->AttachBuffer = OpcUa_MemoryStream_AttachBuffer;
(*istrm)->DetachBuffer = OpcUa_MemoryStream_DetachBuffer;
(*istrm)->GetChunkLength = OpcUa_MemoryStream_GetChunkLength;
(*istrm)->NonBlocking = OpcUa_False;
(*istrm)->CanSeek = OpcUa_True;
return OpcUa_Good;
Error:
if (handle != OpcUa_Null && handle->pBuffer != OpcUa_Null)
{
OpcUa_Buffer_Delete((OpcUa_Buffer**)&handle->pBuffer);
}
OpcUa_Free(handle);
OpcUa_Free(*istrm);
*istrm = OpcUa_Null;
return uStatus;
}
/*============================================================================
* Create a UDP sender socket
*===========================================================================*/
OpcUa_StatusCode OPCUA_DLLCALL OpcUa_P_SocketUdp_CreateSender( OpcUa_StringA a_LocalIpAddress,
OpcUa_StringA a_RemoteIpAddress,
OpcUa_Int16 a_RemotePort,
OpcUa_Byte a_TimeToLive,
OpcUa_Socket* a_pSocket)
{
OpcUa_InternalUdpSocket* pInternalSocket = OpcUa_Null;
OpcUa_InitializeStatus(OpcUa_Module_Socket, "CreateUdpSender");
OpcUa_ReturnErrorIfArgumentNull(a_pSocket);
*a_pSocket = OpcUa_Null;
OpcUa_GotoErrorIfArgumentNull(a_RemoteIpAddress);
if(a_RemotePort == 0)
{
OpcUa_GotoErrorWithStatus(OpcUa_BadInvalidArgument);
}
pInternalSocket = (OpcUa_InternalUdpSocket*)OpcUa_P_Memory_Alloc(sizeof(OpcUa_InternalUdpSocket));
OpcUa_GotoErrorIfAllocFailed(pInternalSocket);
pInternalSocket->pSocketServiceTable = &OpcUa_UdpSocketServiceTable;
if(strchr(a_RemoteIpAddress, ':'))
{
uStatus = OpcUa_P_RawSocket_CreateUdpV6(&pInternalSocket->rawSocket,
OpcUa_True,
a_LocalIpAddress,
a_RemoteIpAddress,
a_RemotePort,
a_TimeToLive);
OpcUa_GotoErrorIfBad(uStatus);
}
else
{
uStatus = OpcUa_P_RawSocket_CreateUdp(&pInternalSocket->rawSocket,
OpcUa_True,
a_LocalIpAddress,
a_RemoteIpAddress,
a_RemotePort,
a_TimeToLive);
OpcUa_GotoErrorIfBad(uStatus);
}
*a_pSocket = pInternalSocket;
OpcUa_ReturnStatusCode;
OpcUa_BeginErrorHandling;
if(pInternalSocket != OpcUa_Null)
{
OpcUa_P_Memory_Free(pInternalSocket);
}
OpcUa_FinishErrorHandling;
}
/*============================================================================
* OpcUa_TcpSecureChannel_RenewSecurityToken
*===========================================================================*/
OpcUa_StatusCode OpcUa_TcpSecureChannel_RenewSecurityToken( OpcUa_SecureChannel* a_pSecureChannel,
OpcUa_ChannelSecurityToken* a_pSecurityToken,
OpcUa_UInt32 a_tokenLifeTime,
OpcUa_ChannelSecurityToken** a_ppSecurityToken)
{
OpcUa_ChannelSecurityToken* pSecurityToken = OpcUa_Null;
OpcUa_InitializeStatus(OpcUa_Module_SecureChannel, "RenewSecurityToken");
/* check parameters */
OpcUa_ReturnErrorIfArgumentNull(a_pSecureChannel);
OpcUa_ReturnErrorIfArgumentNull(a_pSecurityToken);
OpcUa_ReturnErrorIfArgumentNull(a_ppSecurityToken);
OPCUA_SECURECHANNEL_LOCK(a_pSecureChannel);
/* initialize outparameters */
*a_ppSecurityToken = OpcUa_Null;
/*** create token ***/
pSecurityToken = (OpcUa_ChannelSecurityToken*)OpcUa_Alloc(sizeof(OpcUa_ChannelSecurityToken));
OpcUa_GotoErrorIfAllocFailed(pSecurityToken);
OpcUa_ChannelSecurityToken_Initialize(pSecurityToken);
pSecurityToken->TokenId = a_pSecureChannel->NextTokenId;
pSecurityToken->ChannelId = a_pSecurityToken->ChannelId;
pSecurityToken->CreatedAt = OPCUA_P_DATETIME_UTCNOW();
OpcUa_Trace(OPCUA_TRACE_LEVEL_INFO, "OpcUa_TcpSecureChannel_RenewSecurityToken: TOKEN ID is %u-%u\n", pSecurityToken->ChannelId, pSecurityToken->TokenId);
OpcUa_TcpSecureChannel_ReviseLifetime(a_tokenLifeTime, &pSecurityToken->RevisedLifetime);
/* increment renew counter */
a_pSecureChannel->NextTokenId++;
OPCUA_SECURECHANNEL_UNLOCK(a_pSecureChannel);
/* assign outparameter */
*a_ppSecurityToken = pSecurityToken;
OpcUa_ReturnStatusCode;
OpcUa_BeginErrorHandling;
OPCUA_SECURECHANNEL_UNLOCK(a_pSecureChannel);
if(pSecurityToken != OpcUa_Null)
{
OpcUa_Free(pSecurityToken);
}
OpcUa_FinishErrorHandling;
}
/*============================================================================
* OpcUa_MemoryStream_CreateWriteable
*===========================================================================*/
OpcUa_StatusCode OpcUa_MemoryStream_CreateWriteable(
OpcUa_UInt32 a_uBlockSize,
OpcUa_UInt32 a_uMaxSize,
OpcUa_OutputStream** a_ppOstrm)
{
OpcUa_MemoryStream* pMemoryStream = OpcUa_Null;
#if OPCUA_PREALLOC_MEMORYBLOCK
OpcUa_Byte* pbyData = OpcUa_Null;
#endif /* OPCUA_PREALLOC_MEMORYBLOCK */
OpcUa_InitializeStatus(OpcUa_Module_MemoryStream, "CreateWriteable");
OpcUa_ReturnErrorIfNull(a_ppOstrm, OpcUa_BadInvalidArgument);
*a_ppOstrm = OpcUa_Null;
pMemoryStream = (OpcUa_MemoryStream*)OpcUa_Alloc(sizeof(OpcUa_MemoryStream));
OpcUa_GotoErrorIfAllocFailed(pMemoryStream);
pMemoryStream->SanityCheck = OpcUa_MemoryStream_SanityCheck;
pMemoryStream->pBuffer = OpcUa_Null;
pMemoryStream->Closed = OpcUa_False;
#if OPCUA_PREALLOC_MEMORYBLOCK
pbyData = (OpcUa_Byte*)OpcUa_Alloc(a_uBlockSize);
OpcUa_GotoErrorIfAllocFailed(pbyData);
uStatus = OpcUa_Buffer_Create( pbyData, /* buffer space */
a_uBlockSize, /* buffer space size */
a_uBlockSize, /* allocation increment */
a_uMaxSize, /* max memory block size */
OpcUa_True, /* release buffer space */
(OpcUa_Buffer**)&pMemoryStream->pBuffer);
OpcUa_GotoErrorIfBad(uStatus);
#else /* OPCUA_PREALLOC_MEMORYBLOCK */
uStatus = OpcUa_Buffer_Create( OpcUa_Null, /* buffer space */
0,/* used data in buffer space */
a_uBlockSize, /* allocation increment */
a_uMaxSize, /* max memory block size */
OpcUa_True, /* release buffer space */
(OpcUa_Buffer**)&pMemoryStream->pBuffer);
OpcUa_GotoErrorIfBad(uStatus);
#endif /* OPCUA_PREALLOC_MEMORYBLOCK */
*a_ppOstrm = (OpcUa_OutputStream*)OpcUa_Alloc(sizeof(OpcUa_OutputStream));
OpcUa_GotoErrorIfAllocFailed(*a_ppOstrm);
OpcUa_MemSet(*a_ppOstrm, 0, sizeof(OpcUa_OutputStream));
(*a_ppOstrm)->Type = OpcUa_StreamType_Output;
(*a_ppOstrm)->Handle = pMemoryStream;
(*a_ppOstrm)->GetPosition = OpcUa_MemoryStream_GetPosition;
(*a_ppOstrm)->SetPosition = OpcUa_MemoryStream_SetPosition;
(*a_ppOstrm)->Close = OpcUa_MemoryStream_Close;
(*a_ppOstrm)->Delete = OpcUa_MemoryStream_Delete;
(*a_ppOstrm)->Flush = OpcUa_MemoryStream_Flush;
(*a_ppOstrm)->Write = OpcUa_MemoryStream_Write;
(*a_ppOstrm)->AttachBuffer = OpcUa_MemoryStream_AttachBuffer;
(*a_ppOstrm)->DetachBuffer = OpcUa_MemoryStream_DetachBuffer;
(*a_ppOstrm)->GetChunkLength = OpcUa_MemoryStream_GetChunkLength;
OpcUa_ReturnStatusCode;
OpcUa_BeginErrorHandling;
if(pMemoryStream != OpcUa_Null && pMemoryStream->pBuffer != OpcUa_Null)
{
OpcUa_Buffer_Delete((OpcUa_Buffer**)&pMemoryStream->pBuffer);
}
OpcUa_Free(pMemoryStream);
OpcUa_Free(*a_ppOstrm);
*a_ppOstrm = OpcUa_Null;
OpcUa_FinishErrorHandling;
}
/**
@brief Extracts data from a certificate store object.
@param pCertificate [in] The certificate to examine.
@param pIssuer [out, optional] The issuer name of the certificate.
@param pSubject [out, optional] The subject name of the certificate.
@param pSubjectUri [out, optional] The subject's URI of the certificate.
@param pSubjectIP [out, optional] The subject's IP of the certificate.
@param pSubjectDNS [out, optional] The subject's DNS name of the certificate.
@param pCertThumbprint [out, optional] The thumbprint of the certificate.
@param pSubjectHash [out, optional] The hash code of the certificate.
@param pCertRawLength [out, optional] The length of the DER encoded data.
can be smaller than the total length of pCertificate in case of chain certificate or garbage follow.
*/
OpcUa_StatusCode OpcUa_P_OpenSSL_PKI_ExtractCertificateData(
OpcUa_ByteString* a_pCertificate,
OpcUa_ByteString* a_pIssuer,
OpcUa_ByteString* a_pSubject,
OpcUa_ByteString* a_pSubjectUri,
OpcUa_ByteString* a_pSubjectIP,
OpcUa_ByteString* a_pSubjectDNS,
OpcUa_ByteString* a_pCertThumbprint,
OpcUa_UInt32* a_pSubjectHash,
OpcUa_UInt32* a_pCertRawLength)
{
X509* pX509Cert = OpcUa_Null;
char* pName = OpcUa_Null;
GENERAL_NAMES* pNames = OpcUa_Null;
const unsigned char* p;
OpcUa_InitializeStatus(OpcUa_Module_P_OpenSSL, "PKI_ExtractCertificateData");
OpcUa_ReturnErrorIfArgumentNull(a_pCertificate);
if(a_pIssuer != OpcUa_Null)
{
a_pIssuer->Data = OpcUa_Null;
a_pIssuer->Length = 0;
}
if(a_pSubject != OpcUa_Null)
{
a_pSubject->Data = OpcUa_Null;
a_pSubject->Length = 0;
}
if(a_pSubjectUri != OpcUa_Null)
{
a_pSubjectUri->Data = OpcUa_Null;
a_pSubjectUri->Length = 0;
}
if(a_pSubjectIP != OpcUa_Null)
{
a_pSubjectIP->Data = OpcUa_Null;
a_pSubjectIP->Length = 0;
}
if(a_pSubjectDNS != OpcUa_Null)
{
a_pSubjectDNS->Data = OpcUa_Null;
a_pSubjectDNS->Length = 0;
}
if(a_pCertThumbprint != OpcUa_Null)
{
a_pCertThumbprint->Data = OpcUa_Null;
a_pCertThumbprint->Length = 0;
}
if(a_pSubjectHash != OpcUa_Null)
{
*a_pSubjectHash = 0;
}
if(a_pCertRawLength != OpcUa_Null)
{
*a_pCertRawLength = 0;
}
/* convert openssl X509 certificate to DER encoded bytestring certificate */
p = a_pCertificate->Data;
if(!(pX509Cert = d2i_X509((X509**)OpcUa_Null, &p, a_pCertificate->Length)))
{
uStatus = OpcUa_Bad;
OpcUa_GotoErrorIfBad(uStatus);
}
if(a_pIssuer != OpcUa_Null)
{
pName = X509_NAME_oneline(X509_get_issuer_name(pX509Cert), NULL, 0);
OpcUa_GotoErrorIfAllocFailed(pName);
a_pIssuer->Length = strlen(pName)+1;
a_pIssuer->Data = (OpcUa_Byte*)OpcUa_P_Memory_Alloc(a_pIssuer->Length*sizeof(OpcUa_Byte));
OpcUa_GotoErrorIfAllocFailed(a_pIssuer->Data);
uStatus = OpcUa_P_Memory_MemCpy(a_pIssuer->Data, a_pIssuer->Length, pName, a_pIssuer->Length);
OpcUa_GotoErrorIfBad(uStatus);
OPENSSL_free(pName);
pName = OpcUa_Null;
}
if(a_pSubject != OpcUa_Null)
{
pName = X509_NAME_oneline(X509_get_subject_name(pX509Cert), NULL, 0);
OpcUa_GotoErrorIfAllocFailed(pName);
a_pSubject->Length = strlen(pName)+1;
a_pSubject->Data = (OpcUa_Byte*)OpcUa_P_Memory_Alloc(a_pSubject->Length*sizeof(OpcUa_Byte));
OpcUa_GotoErrorIfAllocFailed(a_pSubject->Data);
uStatus = OpcUa_P_Memory_MemCpy(a_pSubject->Data, a_pSubject->Length, pName, a_pSubject->Length);
OpcUa_GotoErrorIfBad(uStatus);
OPENSSL_free(pName);
pName = OpcUa_Null;
}
if(a_pSubjectUri != OpcUa_Null || a_pSubjectIP != OpcUa_Null || a_pSubjectDNS != OpcUa_Null)
{
pNames = X509_get_ext_d2i(pX509Cert, NID_subject_alt_name, OpcUa_Null, OpcUa_Null);
if (pNames != OpcUa_Null)
{
int num;
for (num = 0; num < sk_GENERAL_NAME_num(pNames); num++)
{
GENERAL_NAME *value = sk_GENERAL_NAME_value(pNames, num);
switch (value->type)
{
case GEN_URI:
if (a_pSubjectUri != OpcUa_Null && a_pSubjectUri->Data == OpcUa_Null)
{
a_pSubjectUri->Length = value->d.ia5->length+1;
a_pSubjectUri->Data = (OpcUa_Byte*)OpcUa_P_Memory_Alloc(a_pSubjectUri->Length*sizeof(OpcUa_Byte));
OpcUa_GotoErrorIfAllocFailed(a_pSubjectUri->Data);
uStatus = OpcUa_P_Memory_MemCpy(a_pSubjectUri->Data, a_pSubjectUri->Length, value->d.ia5->data, a_pSubjectUri->Length);
OpcUa_GotoErrorIfBad(uStatus);
}
break;
case GEN_IPADD:
if (a_pSubjectIP != OpcUa_Null && a_pSubjectIP->Data == OpcUa_Null)
{
a_pSubjectIP->Length = value->d.ip->length;
a_pSubjectIP->Data = (OpcUa_Byte*)OpcUa_P_Memory_Alloc(a_pSubjectIP->Length*sizeof(OpcUa_Byte));
OpcUa_GotoErrorIfAllocFailed(a_pSubjectIP->Data);
uStatus = OpcUa_P_Memory_MemCpy(a_pSubjectIP->Data, a_pSubjectIP->Length, value->d.ip->data, a_pSubjectIP->Length);
OpcUa_GotoErrorIfBad(uStatus);
}
break;
case GEN_DNS:
if (a_pSubjectDNS != OpcUa_Null && a_pSubjectDNS->Data == OpcUa_Null)
{
a_pSubjectDNS->Length = value->d.ia5->length+1;
a_pSubjectDNS->Data = (OpcUa_Byte*)OpcUa_P_Memory_Alloc(a_pSubjectDNS->Length*sizeof(OpcUa_Byte));
OpcUa_GotoErrorIfAllocFailed(a_pSubjectDNS->Data);
uStatus = OpcUa_P_Memory_MemCpy(a_pSubjectDNS->Data, a_pSubjectDNS->Length, value->d.ia5->data, a_pSubjectDNS->Length);
OpcUa_GotoErrorIfBad(uStatus);
}
break;
}
}
sk_GENERAL_NAME_pop_free(pNames, GENERAL_NAME_free);
pNames = OpcUa_Null;
}
}
if(a_pCertThumbprint != OpcUa_Null)
{
/* update pX509Cert->sha1_hash */
X509_check_purpose(pX509Cert, -1, 0);
a_pCertThumbprint->Length = sizeof(pX509Cert->sha1_hash);
a_pCertThumbprint->Data = (OpcUa_Byte*)OpcUa_P_Memory_Alloc(a_pCertThumbprint->Length*sizeof(OpcUa_Byte));
OpcUa_GotoErrorIfAllocFailed(a_pCertThumbprint->Data);
uStatus = OpcUa_P_Memory_MemCpy(a_pCertThumbprint->Data, a_pCertThumbprint->Length, pX509Cert->sha1_hash, a_pCertThumbprint->Length);
OpcUa_GotoErrorIfBad(uStatus);
}
if(a_pSubjectHash != OpcUa_Null)
{
*a_pSubjectHash = X509_NAME_hash(X509_get_subject_name(pX509Cert));
}
if(a_pCertRawLength != OpcUa_Null)
{
*a_pCertRawLength = (OpcUa_UInt32)(p - a_pCertificate->Data);
}
X509_free(pX509Cert);
OpcUa_ReturnStatusCode;
OpcUa_BeginErrorHandling;
if(a_pIssuer != OpcUa_Null && a_pIssuer->Data != OpcUa_Null)
{
OpcUa_P_Memory_Free(a_pIssuer->Data);
a_pIssuer->Data = OpcUa_Null;
a_pIssuer->Length = 0;
}
if(a_pSubject != OpcUa_Null && a_pSubject->Data != OpcUa_Null)
{
OpcUa_P_Memory_Free(a_pSubject->Data);
a_pSubject->Data = OpcUa_Null;
a_pSubject->Length = 0;
}
if(a_pSubjectUri != OpcUa_Null && a_pSubjectUri->Data != OpcUa_Null)
{
OpcUa_P_Memory_Free(a_pSubjectUri->Data);
a_pSubjectUri->Data = OpcUa_Null;
a_pSubjectUri->Length = 0;
}
if(a_pSubjectIP != OpcUa_Null && a_pSubjectIP->Data != OpcUa_Null)
{
OpcUa_P_Memory_Free(a_pSubjectIP->Data);
a_pSubjectIP->Data = OpcUa_Null;
a_pSubjectIP->Length = 0;
}
if(a_pSubjectDNS != OpcUa_Null && a_pSubjectDNS->Data != OpcUa_Null)
{
OpcUa_P_Memory_Free(a_pSubjectDNS->Data);
a_pSubjectDNS->Data = OpcUa_Null;
a_pSubjectDNS->Length = 0;
}
if(a_pCertThumbprint != OpcUa_Null && a_pCertThumbprint->Data != OpcUa_Null)
{
OpcUa_P_Memory_Free(a_pCertThumbprint->Data);
a_pCertThumbprint->Data = OpcUa_Null;
a_pCertThumbprint->Length = 0;
}
if (pName != OpcUa_Null)
{
OPENSSL_free(pName);
}
if (pNames != OpcUa_Null)
{
sk_GENERAL_NAME_pop_free(pNames, GENERAL_NAME_free);
}
if(pX509Cert != OpcUa_Null)
{
X509_free(pX509Cert);
}
OpcUa_FinishErrorHandling;
}
/*
ToDo: Create Access to OpenSSL certificate store
=> Only API to In-Memory-Store is available for version 0.9.8x
=> Wait until Directory- and/or File-Store is available
*/
OpcUa_StatusCode OpcUa_P_OpenSSL_PKI_LoadCertificate(
OpcUa_PKIProvider* a_pProvider,
OpcUa_Void* a_pLoadHandle,
OpcUa_Void* a_pCertificateStore,
OpcUa_ByteString* a_pCertificate)
{
OpcUa_Byte* buf = OpcUa_Null;
OpcUa_Byte* p = OpcUa_Null;
FILE* pCertificateFile = OpcUa_Null;
X509* pTmpCert = OpcUa_Null;
OpcUa_InitializeStatus(OpcUa_Module_P_OpenSSL, "PKI_LoadCertificate");
OpcUa_ReturnErrorIfArgumentNull(a_pProvider);
OpcUa_ReturnErrorIfArgumentNull(a_pProvider->Handle);
OpcUa_ReturnErrorIfArgumentNull(a_pLoadHandle);
OpcUa_ReturnErrorIfArgumentNull(a_pCertificateStore);
OpcUa_ReturnErrorIfArgumentNull(a_pCertificate);
/* read DER certificates */
pCertificateFile = fopen((const char*)a_pLoadHandle, "r");
/* check for valid file handle */
OpcUa_GotoErrorIfTrue((pCertificateFile == OpcUa_Null), OpcUa_BadInvalidArgument);
if(!(pTmpCert = d2i_X509_fp(pCertificateFile, (X509**)OpcUa_Null)))
{
uStatus = OpcUa_Bad;
OpcUa_GotoErrorIfBad(uStatus);
}
a_pCertificate->Length = i2d_X509(pTmpCert, NULL);
buf = (OpcUa_Byte*)OpcUa_P_Memory_Alloc(a_pCertificate->Length);
OpcUa_GotoErrorIfAllocFailed(buf);
p = buf;
for (;;)
{
i2d_X509(pTmpCert, &p);
X509_free(pTmpCert);
if(!(pTmpCert = d2i_X509_fp(pCertificateFile, (X509**)OpcUa_Null)))
{
break;
}
p = OpcUa_P_Memory_ReAlloc(buf, a_pCertificate->Length + i2d_X509(pTmpCert, NULL));
OpcUa_GotoErrorIfAllocFailed(p);
buf = p;
p = buf + a_pCertificate->Length;
a_pCertificate->Length += i2d_X509(pTmpCert, NULL);
}
if(fclose(pCertificateFile) != 0)
{
pCertificateFile = OpcUa_Null;
uStatus = OpcUa_Bad;
OpcUa_GotoErrorIfBad(uStatus);
}
a_pCertificate->Data = buf;
OpcUa_ReturnStatusCode;
OpcUa_BeginErrorHandling;
if(pCertificateFile != OpcUa_Null)
{
fclose(pCertificateFile);
}
if(pTmpCert != OpcUa_Null)
{
X509_free(pTmpCert);
}
if(buf != OpcUa_Null)
{
OpcUa_P_Memory_Free(buf);
}
OpcUa_FinishErrorHandling;
}
/*============================================================================
* OpcUa_P_OpenSSL_PKI_ValidateCertificate
*===========================================================================*/
OpcUa_StatusCode OpcUa_P_OpenSSL_PKI_ValidateCertificate(
OpcUa_PKIProvider* a_pProvider,
OpcUa_ByteString* a_pCertificate,
OpcUa_Void* a_pCertificateStore,
OpcUa_Int* a_pValidationCode /* Validation return codes from OpenSSL */
)
{
OpcUa_P_OpenSSL_CertificateStore_Config* pCertificateStoreCfg;
const unsigned char* p;
X509* pX509Certificate = OpcUa_Null;
STACK_OF(X509)* pX509Chain = OpcUa_Null;
X509_STORE_CTX* verify_ctx = OpcUa_Null; /* holds data used during verification process */
char CertFile[MAX_PATH];
struct dirent **dirlist = NULL;
int numCertificates = 0, i;
OpcUa_InitializeStatus(OpcUa_Module_P_OpenSSL, "PKI_ValidateCertificate");
OpcUa_ReturnErrorIfArgumentNull(a_pProvider);
OpcUa_ReturnErrorIfArgumentNull(a_pProvider->Handle);
OpcUa_ReturnErrorIfArgumentNull(a_pCertificate);
OpcUa_ReturnErrorIfArgumentNull(a_pCertificateStore);
OpcUa_ReturnErrorIfArgumentNull(a_pValidationCode);
pCertificateStoreCfg = (OpcUa_P_OpenSSL_CertificateStore_Config*)a_pProvider->Handle;
/* convert DER encoded bytestring certificate to openssl X509 certificate */
p = a_pCertificate->Data;
if(!(pX509Certificate = d2i_X509((X509**)OpcUa_Null, &p, a_pCertificate->Length)))
{
OpcUa_GotoErrorWithStatus(OpcUa_Bad);
}
while(p < a_pCertificate->Data + a_pCertificate->Length)
{
X509* pX509AddCertificate;
if(!(pX509AddCertificate = d2i_X509((X509**)OpcUa_Null, &p, a_pCertificate->Data + a_pCertificate->Length - p)))
{
OpcUa_GotoErrorWithStatus(OpcUa_Bad);
}
if(pX509Chain == NULL)
{
pX509Chain = sk_X509_new_null();
OpcUa_GotoErrorIfAllocFailed(pX509Chain);
}
if(!sk_X509_push(pX509Chain, pX509AddCertificate))
{
X509_free(pX509AddCertificate);
OpcUa_GotoErrorWithStatus(OpcUa_Bad);
}
}
/* create verification context and initialize it */
if(!(verify_ctx = X509_STORE_CTX_new()))
{
OpcUa_GotoErrorWithStatus(OpcUa_Bad);
}
#if (OPENSSL_VERSION_NUMBER > 0x00907000L)
if(X509_STORE_CTX_init(verify_ctx, (X509_STORE*)a_pCertificateStore, pX509Certificate, pX509Chain) != 1)
{
OpcUa_GotoErrorWithStatus(OpcUa_Bad);
}
#else
X509_STORE_CTX_init(verify_ctx, (X509_STORE*)a_pCertificateStore, pX509Certificate, pX509Chain);
#endif
if(X509_STORE_CTX_set_app_data(verify_ctx, pCertificateStoreCfg) != 1)
{
OpcUa_GotoErrorWithStatus(OpcUa_Bad);
}
if((pCertificateStoreCfg->Flags & OPCUA_P_PKI_OPENSSL_CHECK_REVOCATION_ALL) == OPCUA_P_PKI_OPENSSL_CHECK_REVOCATION_ALL_EXCEPT_SELF_SIGNED
&& !verify_ctx->check_issued(verify_ctx, pX509Certificate, pX509Certificate))
{
/* set the flags of the store so that CRLs are consulted */
X509_STORE_CTX_set_flags(verify_ctx, X509_V_FLAG_CRL_CHECK | X509_V_FLAG_CRL_CHECK_ALL);
}
/* verify the certificate */
*a_pValidationCode = X509_V_OK;
if(X509_verify_cert(verify_ctx) <= 0)
{
*a_pValidationCode = verify_ctx->error;
switch(verify_ctx->error)
{
case X509_V_ERR_CERT_HAS_EXPIRED:
case X509_V_ERR_CERT_NOT_YET_VALID:
case X509_V_ERR_CRL_NOT_YET_VALID:
case X509_V_ERR_CRL_HAS_EXPIRED:
case X509_V_ERR_ERROR_IN_CERT_NOT_BEFORE_FIELD:
case X509_V_ERR_ERROR_IN_CERT_NOT_AFTER_FIELD:
case X509_V_ERR_ERROR_IN_CRL_LAST_UPDATE_FIELD:
case X509_V_ERR_ERROR_IN_CRL_NEXT_UPDATE_FIELD:
{
uStatus = OpcUa_BadCertificateTimeInvalid;
break;
}
case X509_V_ERR_CERT_REVOKED:
{
uStatus = OpcUa_BadCertificateRevoked;
break;
}
case X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT:
case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY:
case X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT:
{
uStatus = OpcUa_BadCertificateUntrusted;
break;
}
case X509_V_ERR_CERT_SIGNATURE_FAILURE:
{
uStatus = OpcUa_BadSecurityChecksFailed;
break;
}
default:
{
uStatus = OpcUa_BadCertificateInvalid;
}
}
OpcUa_GotoErrorIfBad(uStatus);
}
if(pCertificateStoreCfg->Flags & OPCUA_P_PKI_OPENSSL_REQUIRE_CHAIN_CERTIFICATE_IN_TRUST_LIST)
{
FILE* pCertificateFile;
X509* pTrustCert;
STACK_OF(X509)* chain;
int trusted, n;
chain = X509_STORE_CTX_get_chain(verify_ctx);
trusted = 0;
if(pCertificateStoreCfg->CertificateTrustListLocation == NULL || pCertificateStoreCfg->CertificateTrustListLocation[0] == '\0')
{
uStatus = OpcUa_Bad;
OpcUa_GotoErrorIfBad(uStatus);
}
numCertificates = scandir(pCertificateStoreCfg->CertificateTrustListLocation, &dirlist, certificate_filter_der, alphasort);
for (i=0; i<numCertificates; i++)
{
uStatus = OpcUa_P_OpenSSL_BuildFullPath(pCertificateStoreCfg->CertificateTrustListLocation, dirlist[i]->d_name, MAX_PATH, CertFile);
OpcUa_GotoErrorIfBad(uStatus);
/* read DER certificates */
pCertificateFile = fopen(CertFile, "r");
if(pCertificateFile == OpcUa_Null)
{
continue; /* ignore access errors */
}
pTrustCert = d2i_X509_fp(pCertificateFile, (X509**)OpcUa_Null);
fclose(pCertificateFile);
if(pTrustCert == OpcUa_Null)
{
continue; /* ignore parse errors */
}
for(n = 0; n < sk_X509_num(chain); n++)
{
if (X509_cmp(sk_X509_value(chain, n), pTrustCert) == 0)
break;
}
X509_free(pTrustCert);
if(n < sk_X509_num(chain))
{
trusted = 1;
break;
}
}
for (i=0; i<numCertificates; i++)
{
free(dirlist[i]);
}
free(dirlist);
dirlist = NULL;
if(!trusted)
{
uStatus = OpcUa_BadCertificateUntrusted;
OpcUa_GotoErrorIfBad(uStatus);
}
}
X509_STORE_CTX_free(verify_ctx);
X509_free(pX509Certificate);
if(pX509Chain != OpcUa_Null)
{
sk_X509_pop_free(pX509Chain, X509_free);
}
OpcUa_ReturnStatusCode;
OpcUa_BeginErrorHandling;
if(dirlist != NULL)
{
for (i=0; i<numCertificates; i++)
{
free(dirlist[i]);
}
free(dirlist);
}
if(verify_ctx != OpcUa_Null)
{
X509_STORE_CTX_free(verify_ctx);
}
if(pX509Certificate != OpcUa_Null)
{
X509_free(pX509Certificate);
}
if(pX509Chain != OpcUa_Null)
{
sk_X509_pop_free(pX509Chain, X509_free);
}
OpcUa_FinishErrorHandling;
}
/*============================================================================
* Create a new socket manager or initialize the global one (OpcUa_Null first).
*===========================================================================*/
OpcUa_StatusCode OPCUA_DLLCALL OpcUa_P_SocketManager_Create(OpcUa_SocketManager* a_pSocketManager,
OpcUa_UInt32 a_nSockets,
OpcUa_UInt32 a_nFlags)
{
OpcUa_InternalSocketManager* pInternalSocketManager = OpcUa_Null;
OpcUa_InitializeStatus(OpcUa_Module_Socket, "SocketManager_Create");
if(a_nFlags & 0xFFFFFFF8)
{
return OpcUa_BadInvalidArgument;
}
if(a_nSockets > OPCUA_P_SOCKETMANAGER_NUMBEROFSOCKETS)
{
return OpcUa_BadInvalidArgument;
}
/* set number of socket to maximum */
if(a_nSockets == 0)
{
a_nSockets = OPCUA_P_SOCKETMANAGER_NUMBEROFSOCKETS;
}
a_nSockets += 1; /* add signal socket to requested sockets */
#if !OPCUA_MULTITHREADED
if(a_pSocketManager == OpcUa_Null && OpcUa_Socket_g_SocketManager == OpcUa_Null)
{
a_pSocketManager = &OpcUa_Socket_g_SocketManager;
}
#endif
if(a_pSocketManager == OpcUa_Null)
{
return OpcUa_BadInvalidArgument;
}
*a_pSocketManager = OpcUa_SocketManager_Alloc();
OpcUa_GotoErrorIfAllocFailed(*a_pSocketManager);
pInternalSocketManager = (OpcUa_InternalSocketManager*)*a_pSocketManager;
OpcUa_SocketManager_Initialize(pInternalSocketManager);
#if OPCUA_USE_SYNCHRONISATION
uStatus = OpcUa_P_Mutex_Create(&pInternalSocketManager->pMutex);
OpcUa_GotoErrorIfBad(uStatus);
#endif /* OPCUA_USE_SYNCHRONISATION */
/* preallocate socket structures for all possible sockets (maxsockets) */
uStatus = OpcUa_SocketManager_CreateSockets((OpcUa_SocketManager)pInternalSocketManager, a_nSockets);
OpcUa_GotoErrorIfBad(uStatus);
pInternalSocketManager->uintLastExternalEvent = OPCUA_SOCKET_NO_EVENT;
/* set the behaviour flags */
if((a_nFlags & OPCUA_SOCKET_SPAWN_THREAD_ON_ACCEPT) != OPCUA_SOCKET_NO_FLAG)
{
pInternalSocketManager->Flags.bSpawnThreadOnAccept = OpcUa_True;
}
if((a_nFlags & OPCUA_SOCKET_REJECT_ON_NO_THREAD) != OPCUA_SOCKET_NO_FLAG)
{
pInternalSocketManager->Flags.bRejectOnThreadFail = OpcUa_True;
}
if((a_nFlags & OPCUA_SOCKET_DONT_CLOSE_ON_EXCEPT) != OPCUA_SOCKET_NO_FLAG)
{
pInternalSocketManager->Flags.bDontCloseOnExcept = OpcUa_True;
}
uStatus = OpcUa_P_SocketManager_NewSignalSocket(pInternalSocketManager);
OpcUa_GotoErrorIfBad(uStatus);
#if OPCUA_MULTITHREADED
if (pInternalSocketManager->Flags.bSpawnThreadOnAccept)
{
/* create a semaphore with no free resources for which a host can wait to be signalled. */
uStatus = OpcUa_P_Semaphore_Create(&pInternalSocketManager->pStartupSemaphore, 0, 1);
OpcUa_GotoErrorIfBad(uStatus);
pInternalSocketManager->pSocketManagers = OpcUa_P_Memory_Alloc(sizeof(OpcUa_InternalSocketManager*) * OPCUA_SOCKET_MAXMANAGERS);
OpcUa_GotoErrorIfAllocFailed(pInternalSocketManager->pSocketManagers);
OpcUa_MemSet(pInternalSocketManager->pSocketManagers, 0, sizeof(OpcUa_InternalSocketManager*) * OPCUA_SOCKET_MAXMANAGERS);
}
/* if multithreaded, create and start the server thread if the list is not the global list. */
uStatus = OpcUa_P_Thread_Create(&pInternalSocketManager->pThread); /* make raw thread */
OpcUa_GotoErrorIfBad(uStatus);
uStatus = OpcUa_P_Thread_Start( pInternalSocketManager->pThread,
OpcUa_P_SocketManager_ServerLoopThread,
(OpcUa_Void*)pInternalSocketManager);
OpcUa_GotoErrorIfBad(uStatus);
#endif /* OPCUA_MULTITHREADED */
OpcUa_ReturnStatusCode;
OpcUa_BeginErrorHandling;
if(pInternalSocketManager != OpcUa_Null)
{
#if OPCUA_MULTITHREADED
if(pInternalSocketManager->pThread != OpcUa_Null)
{
OpcUa_P_Thread_Delete(&pInternalSocketManager->pThread);
}
if(pInternalSocketManager->pSocketManagers != OpcUa_Null)
{
OpcUa_P_Memory_Free(pInternalSocketManager->pSocketManagers);
}
if(pInternalSocketManager->pStartupSemaphore != OpcUa_Null)
{
OpcUa_P_Semaphore_Delete(&pInternalSocketManager->pStartupSemaphore);
}
#endif /* OPCUA_MULTITHREADED */
if(pInternalSocketManager->pCookie != (OpcUa_RawSocket)OPCUA_P_SOCKET_INVALID)
{
OpcUa_P_RawSocket_Close(pInternalSocketManager->pCookie);
}
if(pInternalSocketManager->pSockets != OpcUa_Null)
{
if(pInternalSocketManager->pSockets[0].rawSocket != (OpcUa_RawSocket)OPCUA_P_SOCKET_INVALID)
{
OpcUa_P_RawSocket_Close(pInternalSocketManager->pSockets[0].rawSocket);
}
OpcUa_P_Memory_Free(pInternalSocketManager->pSockets);
}
#if OPCUA_USE_SYNCHRONISATION
if(pInternalSocketManager->pMutex != OpcUa_Null)
{
OpcUa_P_Mutex_Delete(&pInternalSocketManager->pMutex);
}
#endif /* OPCUA_USE_SYNCHRONISATION */
OpcUa_P_Memory_Free(pInternalSocketManager);
}
*a_pSocketManager = OpcUa_Null;
OpcUa_FinishErrorHandling;
}
/*============================================================================
* OpcUa_P_ParseUrl
*===========================================================================*/
OpcUa_StatusCode OpcUa_P_ParseUrl( OpcUa_StringA a_psUrl,
OpcUa_StringA* a_psIpAddress,
OpcUa_UInt16* a_puPort)
{
OpcUa_StringA sHostName = OpcUa_Null;
OpcUa_UInt32 uHostNameLength = 0;
OpcUa_CharA* sPort = OpcUa_Null;
OpcUa_CharA* pcCursor;
OpcUa_Int nIndex1 = 0;
OpcUa_Int nIpStart;
struct addrinfo* pAddrInfo = OpcUa_Null;
OpcUa_InitializeStatus(OpcUa_Module_Utilities, "P_ParseUrl");
OpcUa_ReturnErrorIfArgumentNull(a_psUrl);
OpcUa_ReturnErrorIfArgumentNull(a_psIpAddress);
OpcUa_ReturnErrorIfArgumentNull(a_puPort);
*a_psIpAddress = OpcUa_Null;
/* check for // (end of protocol header) */
pcCursor = strstr(a_psUrl, "//");
if(pcCursor != OpcUa_Null)
{
/* begin of host address */
pcCursor += 2;
nIndex1 = (OpcUa_Int)(pcCursor - a_psUrl);
}
/* skip protocol prefix and store beginning of ip adress */
nIpStart = nIndex1;
/* skip host address (IPv6 address can contain colons!) */
while(a_psUrl[nIndex1] != '/' && a_psUrl[nIndex1] != 0)
{
if(a_psUrl[nIndex1] == ':')
{
sPort = &a_psUrl[nIndex1 + 1];
uHostNameLength = nIndex1 - nIpStart;
}
/* handle "opc.tcp://[::1]:4880/" */
if(a_psUrl[nIndex1] == ']' && sPort != OpcUa_Null && a_psUrl[nIpStart] == '[')
{
nIpStart++;
uHostNameLength = nIndex1 - nIpStart;
sPort = OpcUa_Null;
if(a_psUrl[nIndex1 + 1] == ':')
{
sPort = &a_psUrl[nIndex1 + 2];
}
break;
}
nIndex1++;
}
if(uHostNameLength == 0)
{
uHostNameLength = nIndex1 - nIpStart;
}
/* scan port */
if(sPort != OpcUa_Null)
{
/* convert port */
*a_puPort = (OpcUa_UInt16)OpcUa_P_CharAToInt(sPort);
}
else
{
/* return default port */
*a_puPort = OPCUA_TCP_DEFAULT_PORT;
}
sHostName = (OpcUa_StringA)OpcUa_P_Memory_Alloc(uHostNameLength + 1);
if(sHostName == NULL)
{
OpcUa_GotoErrorWithStatus(OpcUa_BadOutOfMemory);
}
memcpy(sHostName, &a_psUrl[nIpStart], uHostNameLength);
sHostName[uHostNameLength] = '\0';
if(getaddrinfo(sHostName, NULL, NULL, &pAddrInfo))
{
/* hostname could not be resolved */
pAddrInfo = NULL;
OpcUa_GotoErrorWithStatus(OpcUa_BadHostUnknown);
}
if(pAddrInfo->ai_family == AF_INET)
{
struct sockaddr_in* pAddr = (struct sockaddr_in*)pAddrInfo->ai_addr;
OpcUa_P_Memory_Free(sHostName);
sHostName = OpcUa_P_Memory_Alloc(INET_ADDRSTRLEN);
OpcUa_GotoErrorIfAllocFailed(sHostName);
if(inet_ntop(AF_INET, (void*)&pAddr->sin_addr,
sHostName, INET_ADDRSTRLEN) == NULL)
{
OpcUa_GotoErrorWithStatus(OpcUa_BadInternalError);
}
}
else if(pAddrInfo->ai_family == AF_INET6)
{
struct sockaddr_in6* pAddr = (struct sockaddr_in6*)pAddrInfo->ai_addr;
OpcUa_P_Memory_Free(sHostName);
sHostName = OpcUa_P_Memory_Alloc(INET6_ADDRSTRLEN);
OpcUa_GotoErrorIfAllocFailed(sHostName);
if(inet_ntop(AF_INET6, (void*)&pAddr->sin6_addr,
sHostName, INET6_ADDRSTRLEN) == NULL)
{
OpcUa_GotoErrorWithStatus(OpcUa_BadInternalError);
}
if(pAddr->sin6_scope_id)
{
char *pScopeAddress = OpcUa_P_Memory_Alloc(strlen(sHostName) + 12);
OpcUa_GotoErrorIfAllocFailed(pScopeAddress);
sprintf(pScopeAddress, "%s%%%u", sHostName, pAddr->sin6_scope_id);
OpcUa_P_Memory_Free(sHostName);
sHostName = pScopeAddress;
}
}
else
{
OpcUa_GotoErrorWithStatus(OpcUa_BadInternalError);
}
*a_psIpAddress = sHostName;
freeaddrinfo(pAddrInfo);
OpcUa_ReturnStatusCode;
OpcUa_BeginErrorHandling;
if(sHostName != OpcUa_Null)
{
OpcUa_P_Memory_Free(sHostName);
}
if(pAddrInfo != NULL)
{
freeaddrinfo(pAddrInfo);
}
OpcUa_FinishErrorHandling;
}
/*============================================================================
* OpcUa_P_OpenSSL_X509_LoadFromFile
*===========================================================================*/
OpcUa_StatusCode OpcUa_P_OpenSSL_X509_LoadFromFile(
OpcUa_StringA a_fileName,
OpcUa_P_FileFormat a_fileFormat,
OpcUa_StringA a_sPassword, /* optional: just for OpcUa_PKCS12 */
OpcUa_ByteString* a_pCertificate)
{
BIO* pCertFile = OpcUa_Null;
X509* pCertX509 = OpcUa_Null;
PKCS12* pPKCS12Cert = OpcUa_Null;
OpcUa_InitializeStatus(OpcUa_Module_P_OpenSSL, "X509_LoadFromFile");
/* check filename */
if(OpcUa_P_String_strlen(a_fileName) < 1)
{
uStatus = OpcUa_BadInvalidArgument;
OpcUa_GotoErrorIfBad(uStatus);
}
/* import certificate from file by the given encoding type */
pCertFile = BIO_new_file((const char*)a_fileName, "r");
OpcUa_ReturnErrorIfArgumentNull(pCertFile);
switch(a_fileFormat)
{
case OpcUa_Crypto_Encoding_DER:
{
pCertX509 = d2i_X509_bio(pCertFile, /* sourcefile */
(X509**)NULL); /* target (if preallocated) */
break;
}
case OpcUa_Crypto_Encoding_PEM:
{
pCertX509 = PEM_read_bio_X509( pCertFile, /* sourcefile */
(X509**)OpcUa_Null, /* target (if preallocated) */
OpcUa_Null, /* password callback function */
OpcUa_Null); /* passphrase or callback data */
break;
}
case OpcUa_Crypto_Encoding_PKCS12:
{
d2i_PKCS12_bio(pCertFile, &pPKCS12Cert);
PKCS12_parse(pPKCS12Cert, a_sPassword, OpcUa_Null, &pCertX509, OpcUa_Null);
if(pPKCS12Cert != OpcUa_Null)
{
PKCS12_free(pPKCS12Cert);
/*OPENSSL_free(pPKCS12Cert);*/
}
break;
}
default:
{
BIO_free(pCertFile);
return OpcUa_BadNotSupported;
}
}
BIO_free(pCertFile);
pCertFile = OpcUa_Null;
if(pCertX509 == OpcUa_Null)
{
/* error in OpenSSL - maybe certificate file was corrupt */
return OpcUa_Bad;
}
/* prepare container */
memset(a_pCertificate, 0, sizeof(OpcUa_ByteString));
/* get required length for conversion target buffer */
a_pCertificate->Length = i2d_X509( pCertX509,
NULL);
if(a_pCertificate->Length <= 0)
{
/* conversion to DER not possible */
uStatus = OpcUa_Bad;
}
/* allocate conversion target buffer */
a_pCertificate->Data = (OpcUa_Byte*)OpcUa_P_Memory_Alloc(a_pCertificate->Length);
OpcUa_GotoErrorIfAllocFailed(a_pCertificate->Data);
/* convert into DER */
a_pCertificate->Length = i2d_X509( pCertX509,
&(a_pCertificate->Data));
if(a_pCertificate->Length <= 0)
{
/* conversion to DER not possible */
uStatus = OpcUa_Bad;
}
else
{
/* correct pointer incrementation by i2d_X509() */
a_pCertificate->Data -= a_pCertificate->Length;
}
X509_free(pCertX509);
OpcUa_ReturnStatusCode;
OpcUa_BeginErrorHandling;
if(pCertX509 != OpcUa_Null)
{
X509_free(pCertX509);
}
if(pPKCS12Cert != OpcUa_Null)
{
OPENSSL_free(pPKCS12Cert);
}
if(a_pCertificate->Data != OpcUa_Null)
{
OpcUa_P_Memory_Free(a_pCertificate->Data);
a_pCertificate->Data = OpcUa_Null;
}
if(pCertFile != OpcUa_Null)
{
BIO_free(pCertFile);
}
OpcUa_FinishErrorHandling;
}
/*============================================================================
* OpcUa_P_OpenSSL_X509_SelfSigned_Custom_Create
*===========================================================================*/
OpcUa_StatusCode OpcUa_P_OpenSSL_X509_SelfSigned_Custom_Create(
OpcUa_CryptoProvider* a_pProvider,
OpcUa_Int32 a_serialNumber,
OpcUa_UInt32 a_validToInSec,
OpcUa_Crypto_NameEntry* a_pNameEntries, /* will be used for issuer and subject thus it's selfigned cert */
OpcUa_UInt a_nameEntriesCount, /* will be used for issuer and subject thus it's selfigned cert */
OpcUa_Key a_pSubjectPublicKey, /* EVP_PKEY* - type defines also public key algorithm */
OpcUa_Crypto_Extension* a_pExtensions,
OpcUa_UInt a_extensionsCount,
OpcUa_UInt a_signatureHashAlgorithm, /* EVP_sha1(),... */
OpcUa_Key a_pIssuerPrivateKey, /* EVP_PKEY* - type defines also signature algorithm */
OpcUa_ByteString* a_pCertificate)
{
OpcUa_UInt i;
X509_NAME* pSubj = OpcUa_Null;
X509V3_CTX ctx;
const EVP_MD* pDigest = OpcUa_Null;
X509* pCert = OpcUa_Null;
EVP_PKEY* pSubjectPublicKey = OpcUa_Null;
EVP_PKEY* pIssuerPrivateKey = OpcUa_Null;
OpcUa_InitializeStatus(OpcUa_Module_P_OpenSSL, "X509_SelfSigned_Custom_Create");
OpcUa_ReferenceParameter(a_pProvider);
OpcUa_ReturnErrorIfArgumentNull(a_pNameEntries);
OpcUa_ReturnErrorIfArgumentNull(a_pExtensions);
OpcUa_ReturnErrorIfArgumentNull(a_pIssuerPrivateKey.Key.Data);
OpcUa_ReturnErrorIfArgumentNull(a_pCertificate);
if(a_pSubjectPublicKey.Type != OpcUa_Crypto_KeyType_Rsa_Public)
{
uStatus = OpcUa_BadInvalidArgument;
OpcUa_GotoErrorIfBad(uStatus);
}
if(a_pIssuerPrivateKey.Type != OpcUa_Crypto_KeyType_Rsa_Private)
{
uStatus = OpcUa_BadInvalidArgument;
OpcUa_GotoErrorIfBad(uStatus);
}
pSubjectPublicKey = d2i_PublicKey(EVP_PKEY_RSA,OpcUa_Null,((const unsigned char**)&(a_pSubjectPublicKey.Key.Data)),a_pSubjectPublicKey.Key.Length);
if(pSubjectPublicKey == OpcUa_Null)
{
uStatus = OpcUa_Bad;
OpcUa_GotoErrorIfBad(uStatus);
}
pIssuerPrivateKey = d2i_PrivateKey(EVP_PKEY_RSA,OpcUa_Null,((const unsigned char**)&(a_pIssuerPrivateKey.Key.Data)),a_pIssuerPrivateKey.Key.Length);
if(pIssuerPrivateKey == OpcUa_Null)
{
uStatus = OpcUa_Bad;
OpcUa_GotoErrorIfBad(uStatus);
}
/* create new certificate object */
pCert = X509_new();
if(pCert == OpcUa_Null)
{
uStatus = OpcUa_Bad;
OpcUa_GotoErrorIfBad(uStatus);
}
/* set version of certificate (V3 since internal representation starts versioning from 0) */
if(X509_set_version(pCert, 2L) != 1)
{
uStatus = OpcUa_Bad;
OpcUa_GotoErrorIfBad(uStatus);
}
/* generate a unique number for a serial number if none provided. */
if(a_serialNumber == 0)
{
ASN1_INTEGER* pSerialNumber = X509_get_serialNumber(pCert);
pSerialNumber->type = V_ASN1_INTEGER;
pSerialNumber->data = OPENSSL_realloc(pSerialNumber->data, 16);
pSerialNumber->length = 16;
if(pSerialNumber->data == NULL || OpcUa_P_Guid_Create((OpcUa_Guid*)pSerialNumber->data) == NULL)
{
uStatus = OpcUa_Bad;
OpcUa_GotoErrorIfBad(uStatus);
}
}
/* use the integer passed in - note the API should not be using a 32-bit integer - must fix sometime */
else if(ASN1_INTEGER_set(X509_get_serialNumber(pCert), a_serialNumber) == 0)
{
uStatus = OpcUa_Bad;
OpcUa_GotoErrorIfBad(uStatus);
}
/* add key to the request */
if(X509_set_pubkey(pCert, pSubjectPublicKey) != 1)
{
uStatus = OpcUa_Bad;
OpcUa_GotoErrorIfBad(uStatus);
}
if(pSubjectPublicKey != OpcUa_Null)
{
EVP_PKEY_free(pSubjectPublicKey);
pSubjectPublicKey = OpcUa_Null;
}
/* assign the subject name */
pSubj = X509_NAME_new();
if(!pSubj)
{
uStatus = OpcUa_Bad;
OpcUa_GotoErrorIfBad(uStatus);
}
/* create and add entries to subject name */
for(i=0; i<a_nameEntriesCount; i++)
{
uStatus = OpcUa_P_OpenSSL_X509_Name_AddEntry(&pSubj, a_pNameEntries + i);
OpcUa_GotoErrorIfBad(uStatus);
}
/* set subject name in request */
if(X509_set_subject_name(pCert, pSubj) != 1)
{
uStatus = OpcUa_Bad;
OpcUa_GotoErrorIfBad(uStatus);
}
/* set name of issuer (CA) */
if(X509_set_issuer_name(pCert, pSubj) != 1)
{
uStatus = OpcUa_Bad;
OpcUa_GotoErrorIfBad(uStatus);
}
if(!(X509_gmtime_adj(X509_get_notBefore(pCert), 0)))
{
uStatus = OpcUa_Bad;
OpcUa_GotoErrorIfBad(uStatus);
}
/* set ending time of the certificate */
if(!(X509_gmtime_adj(X509_get_notAfter(pCert), a_validToInSec)))
{
uStatus = OpcUa_Bad;
OpcUa_GotoErrorIfBad(uStatus);
}
/* add x509v3 extensions */
X509V3_set_ctx(&ctx, pCert, pCert, OpcUa_Null, OpcUa_Null, 0);
for(i=0; i<a_extensionsCount; i++)
{
uStatus = OpcUa_P_OpenSSL_X509_AddCustomExtension(&pCert, a_pExtensions+i, &ctx);
OpcUa_GotoErrorIfBad(uStatus);
}
/* sign certificate with the CA private key */
switch(a_signatureHashAlgorithm)
{
case OPCUA_P_SHA_160:
pDigest = EVP_sha1();
break;
case OPCUA_P_SHA_224:
pDigest = EVP_sha224();
break;
case OPCUA_P_SHA_256:
pDigest = EVP_sha256();
break;
case OPCUA_P_SHA_384:
pDigest = EVP_sha384();
break;
case OPCUA_P_SHA_512:
pDigest = EVP_sha512();
break;
default:
uStatus = OpcUa_BadNotSupported;
OpcUa_GotoErrorIfBad(uStatus);
}
if(!(X509_sign(pCert, pIssuerPrivateKey, pDigest)))
{
uStatus = OpcUa_Bad;
OpcUa_GotoErrorIfBad(uStatus);
}
if(X509_verify(pCert, pIssuerPrivateKey) <= 0)
{
uStatus = OpcUa_Bad;
OpcUa_GotoErrorIfBad(uStatus);
}
if(pIssuerPrivateKey != OpcUa_Null)
{
EVP_PKEY_free(pIssuerPrivateKey);
pIssuerPrivateKey = OpcUa_Null;
}
if(pSubj != OpcUa_Null)
{
X509_NAME_free(pSubj);
pSubj = OpcUa_Null;
}
/* prepare container */
memset(a_pCertificate, 0, sizeof(OpcUa_ByteString));
/* get required length for conversion target buffer */
a_pCertificate->Length = i2d_X509(pCert, NULL);
if(a_pCertificate->Length <= 0)
{
/* conversion to DER not possible */
uStatus = OpcUa_Bad;
}
/* allocate conversion target buffer */
a_pCertificate->Data = (OpcUa_Byte*)OpcUa_P_Memory_Alloc(a_pCertificate->Length);
OpcUa_GotoErrorIfAllocFailed(a_pCertificate->Data);
/* convert into DER */
a_pCertificate->Length = i2d_X509(pCert, &(a_pCertificate->Data));
if(a_pCertificate->Length <= 0)
{
/* conversion to DER not possible */
uStatus = OpcUa_Bad;
}
else
{
/* correct pointer incrementation by i2d_X509() */
a_pCertificate->Data -= a_pCertificate->Length;
}
X509_free(pCert);
OpcUa_ReturnStatusCode;
OpcUa_BeginErrorHandling;
X509_free(pCert);
if(pSubjectPublicKey != OpcUa_Null)
{
EVP_PKEY_free(pSubjectPublicKey);
}
if(pIssuerPrivateKey != OpcUa_Null)
{
EVP_PKEY_free(pIssuerPrivateKey);
}
if(pSubj != OpcUa_Null)
{
X509_NAME_free(pSubj);
}
OpcUa_FinishErrorHandling;
}
/*============================================================================
* OpcUa_TcpSecureChannel_Create
*===========================================================================*/
OpcUa_StatusCode OpcUa_TcpSecureChannel_Create(OpcUa_SecureChannel** a_ppSecureChannel)
{
OpcUa_TcpSecureChannel* pTcpSecureChannel = OpcUa_Null;
OpcUa_InitializeStatus(OpcUa_Module_SecureChannel, "Create");
*a_ppSecureChannel = OpcUa_Null;
pTcpSecureChannel = (OpcUa_TcpSecureChannel*)OpcUa_Alloc(sizeof(OpcUa_TcpSecureChannel));
OpcUa_ReturnErrorIfAllocFailed(pTcpSecureChannel);
OpcUa_MemSet(pTcpSecureChannel, 0, sizeof(OpcUa_TcpSecureChannel));
*a_ppSecureChannel = (OpcUa_SecureChannel*)OpcUa_Alloc(sizeof(OpcUa_SecureChannel));
OpcUa_GotoErrorIfAllocFailed(*a_ppSecureChannel);
OpcUa_MemSet(*a_ppSecureChannel, 0, sizeof(OpcUa_SecureChannel));
(*a_ppSecureChannel)->SecureChannelId = OPCUA_SECURECHANNEL_ID_INVALID;
(*a_ppSecureChannel)->NextTokenId = 1;
(*a_ppSecureChannel)->uLastSequenceNumberRcvd = 0xFFFFFFFFU;
(*a_ppSecureChannel)->uLastSequenceNumberSent = OPCUA_SECURECHANNEL_STARTING_SEQUENCE_NUMBER;
(*a_ppSecureChannel)->Handle = pTcpSecureChannel;
(*a_ppSecureChannel)->Open = OpcUa_TcpSecureChannel_Open;
(*a_ppSecureChannel)->Renew = OpcUa_TcpSecureChannel_Renew;
(*a_ppSecureChannel)->Close = OpcUa_TcpSecureChannel_Close;
(*a_ppSecureChannel)->GenerateSecurityToken = OpcUa_TcpSecureChannel_GenerateSecurityToken;
(*a_ppSecureChannel)->RenewSecurityToken = OpcUa_TcpSecureChannel_RenewSecurityToken;
(*a_ppSecureChannel)->GetSecuritySet = OpcUa_TcpSecureChannel_GetSecuritySet;
(*a_ppSecureChannel)->GetCurrentSecuritySet = OpcUa_TcpSecureChannel_GetCurrentSecuritySet;
(*a_ppSecureChannel)->ReleaseSecuritySet = OpcUa_TcpSecureChannel_ReleaseSecuritySet;
(*a_ppSecureChannel)->GetSequenceNumber = OpcUa_TcpSecureChannel_GetSequenceNumber;
(*a_ppSecureChannel)->CheckSequenceNumber = OpcUa_TcpSecureChannel_CheckSequenceNumber;
(*a_ppSecureChannel)->LockWriteMutex = OpcUa_TcpSecureChannel_LockWriteMutex;
(*a_ppSecureChannel)->UnlockWriteMutex = OpcUa_TcpSecureChannel_UnlockWriteMutex;
(*a_ppSecureChannel)->IsOpen = OpcUa_SecureChannel_IsOpen;
(*a_ppSecureChannel)->DiscoveryOnly = OpcUa_False;
(*a_ppSecureChannel)->MessageSecurityMode = OpcUa_MessageSecurityMode_None;
uStatus = OPCUA_P_MUTEX_CREATE(&((*a_ppSecureChannel)->hSyncAccess));
OpcUa_GotoErrorIfBad(uStatus);
uStatus = OPCUA_P_MUTEX_CREATE(&((*a_ppSecureChannel)->hWriteMutex));
OpcUa_GotoErrorIfBad(uStatus);
OpcUa_String_Initialize(&((*a_ppSecureChannel)->SecurityPolicyUri));
OpcUa_String_Initialize(&((*a_ppSecureChannel)->sPeerInfo));
OpcUa_ReturnStatusCode;
OpcUa_BeginErrorHandling;
if (*a_ppSecureChannel != OpcUa_Null)
{
if((*a_ppSecureChannel)->hSyncAccess != OpcUa_Null)
{
OPCUA_P_MUTEX_DELETE(&((*a_ppSecureChannel)->hSyncAccess));
}
if((*a_ppSecureChannel)->hWriteMutex != OpcUa_Null)
{
OPCUA_P_MUTEX_DELETE(&((*a_ppSecureChannel)->hWriteMutex));
}
OpcUa_Free(*a_ppSecureChannel);
*a_ppSecureChannel = OpcUa_Null;
}
OpcUa_Free(pTcpSecureChannel);
OpcUa_FinishErrorHandling;
}
/*============================================================================
* OpcUa_SecureChannel_Renew
*===========================================================================*/
OpcUa_StatusCode OpcUa_TcpSecureChannel_Renew( OpcUa_SecureChannel* a_pSecureChannel,
OpcUa_Handle a_hTransportConnection,
OpcUa_ChannelSecurityToken a_ChannelSecurityToken,
OpcUa_MessageSecurityMode a_eMessageSecurityMode,
OpcUa_ByteString* a_pbsClientCertificate,
OpcUa_ByteString* a_pbsServerCertificate,
OpcUa_SecurityKeyset* a_pNewReceivingKeyset,
OpcUa_SecurityKeyset* a_pNewSendingKeyset,
OpcUa_CryptoProvider* a_pNewCryptoProvider)
{
OpcUa_InitializeStatus(OpcUa_Module_SecureChannel, "Renew");
OpcUa_ReturnErrorIfArgumentNull(a_pSecureChannel);
OpcUa_ReturnErrorIfArgumentNull(a_hTransportConnection);
OpcUa_ReturnErrorIfArgumentNull(a_pNewCryptoProvider);
OPCUA_SECURECHANNEL_LOCK(a_pSecureChannel);
OpcUa_Trace(OPCUA_TRACE_LEVEL_INFO, "OpcUa_TcpSecureChannel_Renew: New token id for channel %u is %u\n", a_pSecureChannel->SecureChannelId, a_ChannelSecurityToken.TokenId);
if(a_pSecureChannel->TransportConnection != a_hTransportConnection)
{
OpcUa_GotoErrorWithStatus(OpcUa_BadSecureChannelIdInvalid);
}
if(a_pSecureChannel->SecureChannelId != a_ChannelSecurityToken.ChannelId)
{
OpcUa_GotoErrorWithStatus(OpcUa_BadSecureChannelIdInvalid);
}
/*** TCP SECURECHANNEL ***/
/* Previous objects will be overwritten by current objects */
a_pSecureChannel->bCurrentTokenActive = OpcUa_False;
/* set channelSecurityToken members */
a_pSecureChannel->PreviousChannelSecurityToken.ChannelId = a_pSecureChannel->CurrentChannelSecurityToken.ChannelId;
a_pSecureChannel->PreviousChannelSecurityToken.TokenId = a_pSecureChannel->CurrentChannelSecurityToken.TokenId;
a_pSecureChannel->PreviousChannelSecurityToken.CreatedAt = a_pSecureChannel->CurrentChannelSecurityToken.CreatedAt;
a_pSecureChannel->PreviousChannelSecurityToken.RevisedLifetime = a_pSecureChannel->CurrentChannelSecurityToken.RevisedLifetime;
/* set current channelSecurityToken */
a_pSecureChannel->CurrentChannelSecurityToken.ChannelId = a_ChannelSecurityToken.ChannelId;
a_pSecureChannel->CurrentChannelSecurityToken.TokenId = a_ChannelSecurityToken.TokenId;
a_pSecureChannel->CurrentChannelSecurityToken.CreatedAt = a_ChannelSecurityToken.CreatedAt;
a_pSecureChannel->CurrentChannelSecurityToken.RevisedLifetime = a_ChannelSecurityToken.RevisedLifetime;
/*** SECURECHANNEL ***/
a_pSecureChannel->State = OpcUa_SecureChannelState_Opened;
a_pSecureChannel->MessageSecurityMode = a_eMessageSecurityMode;
a_pSecureChannel->uExpirationCounter = (OpcUa_UInt32)(a_pSecureChannel->CurrentChannelSecurityToken.RevisedLifetime/OPCUA_SECURELISTENER_WATCHDOG_INTERVAL);
a_pSecureChannel->uOverlapCounter = (OpcUa_UInt32)((a_pSecureChannel->CurrentChannelSecurityToken.RevisedLifetime>>2)/OPCUA_SECURELISTENER_WATCHDOG_INTERVAL);
/* free old certificate and add new one */
OpcUa_ByteString_Clear(&a_pSecureChannel->ClientCertificate);
/* copy client certificate!!! */
if(a_pbsClientCertificate != OpcUa_Null && a_pbsClientCertificate->Length > 0)
{
a_pSecureChannel->ClientCertificate.Data = (OpcUa_Byte*)OpcUa_Alloc(a_pbsClientCertificate->Length);
OpcUa_GotoErrorIfAllocFailed(a_pSecureChannel->ClientCertificate.Data);
a_pSecureChannel->ClientCertificate.Length = a_pbsClientCertificate->Length;
OpcUa_MemCpy( a_pSecureChannel->ClientCertificate.Data,
a_pSecureChannel->ClientCertificate.Length,
a_pbsClientCertificate->Data,
a_pbsClientCertificate->Length);
}
/* free old certificate and add new one */
OpcUa_ByteString_Clear(&a_pSecureChannel->ServerCertificate);
if(a_pbsServerCertificate != OpcUa_Null && a_pbsServerCertificate->Length > 0)
{
a_pSecureChannel->ServerCertificate.Data = (OpcUa_Byte*)OpcUa_Alloc(a_pbsServerCertificate->Length);
OpcUa_GotoErrorIfAllocFailed(a_pSecureChannel->ServerCertificate.Data);
a_pSecureChannel->ServerCertificate.Length = a_pbsServerCertificate->Length;
OpcUa_MemCpy( a_pSecureChannel->ServerCertificate.Data,
a_pSecureChannel->ServerCertificate.Length,
a_pbsServerCertificate->Data,
a_pbsServerCertificate->Length);
}
/* delete previous keysets */
OpcUa_SecurityKeyset_Clear(a_pSecureChannel->pPreviousReceivingKeyset);
OpcUa_SecurityKeyset_Clear(a_pSecureChannel->pPreviousSendingKeyset);
OpcUa_Free(a_pSecureChannel->pPreviousReceivingKeyset);
OpcUa_Free(a_pSecureChannel->pPreviousSendingKeyset);
a_pSecureChannel->pPreviousReceivingKeyset = OpcUa_Null;
a_pSecureChannel->pPreviousSendingKeyset = OpcUa_Null;
/* assign current to previous */
a_pSecureChannel->pPreviousReceivingKeyset = a_pSecureChannel->pCurrentReceivingKeyset;
a_pSecureChannel->pPreviousSendingKeyset = a_pSecureChannel->pCurrentSendingKeyset;
/* delete previous cryptoprovider */
if( a_pSecureChannel->pPreviousCryptoProvider != OpcUa_Null
&& a_pSecureChannel->pPreviousCryptoProvider != a_pSecureChannel->pCurrentCryptoProvider)
{
OPCUA_P_CRYPTOFACTORY_DELETECRYPTOPROVIDER(a_pSecureChannel->pPreviousCryptoProvider);
OpcUa_Free(a_pSecureChannel->pPreviousCryptoProvider);
a_pSecureChannel->pPreviousCryptoProvider = OpcUa_Null;
}
else
{
a_pSecureChannel->pPreviousCryptoProvider = OpcUa_Null;
}
/* make current cryptoprovider previous */
a_pSecureChannel->pPreviousCryptoProvider = a_pSecureChannel->pCurrentCryptoProvider;
a_pSecureChannel->pCurrentCryptoProvider = a_pNewCryptoProvider;
a_pSecureChannel->pCurrentReceivingKeyset = a_pNewReceivingKeyset;
a_pSecureChannel->pCurrentSendingKeyset = a_pNewSendingKeyset;
OPCUA_SECURECHANNEL_UNLOCK(a_pSecureChannel);
OpcUa_ReturnStatusCode;
OpcUa_BeginErrorHandling;
OpcUa_SecurityKeyset_Clear(a_pNewReceivingKeyset);
OpcUa_SecurityKeyset_Clear(a_pNewSendingKeyset);
OpcUa_Free(a_pNewReceivingKeyset);
OpcUa_Free(a_pNewSendingKeyset);
OPCUA_SECURECHANNEL_UNLOCK(a_pSecureChannel);
OpcUa_FinishErrorHandling;
}
/*============================================================================
* OpcUa_SecureChannel_Open
*===========================================================================*/
OpcUa_StatusCode OpcUa_TcpSecureChannel_Open( OpcUa_SecureChannel* a_pSecureChannel,
OpcUa_Handle a_hTransportConnection,
OpcUa_ChannelSecurityToken a_channelSecurityToken,
OpcUa_MessageSecurityMode a_messageSecurityMode,
OpcUa_ByteString* a_pbsClientCertificate,
OpcUa_ByteString* a_pbsServerCertificate,
OpcUa_SecurityKeyset* a_pReceivingKeyset,
OpcUa_SecurityKeyset* a_pSendingKeyset,
OpcUa_CryptoProvider* a_pCryptoProvider)
{
OpcUa_InitializeStatus(OpcUa_Module_SecureChannel, "Open");
OpcUa_ReturnErrorIfArgumentNull(a_pSecureChannel);
OpcUa_ReturnErrorIfArgumentNull(a_hTransportConnection);
OpcUa_ReturnErrorIfArgumentNull(a_pCryptoProvider);
OPCUA_SECURECHANNEL_LOCK(a_pSecureChannel);
if(a_pSecureChannel->SecureChannelId != a_channelSecurityToken.ChannelId)
{
OpcUa_GotoErrorWithStatus(OpcUa_BadSecureChannelIdInvalid);
}
a_pSecureChannel->bCurrentTokenActive = OpcUa_True;
/*** TCP SECURECHANNEL ***/
a_pSecureChannel->CurrentChannelSecurityToken.ChannelId = a_channelSecurityToken.ChannelId;
a_pSecureChannel->CurrentChannelSecurityToken.TokenId = a_channelSecurityToken.TokenId;
a_pSecureChannel->CurrentChannelSecurityToken.CreatedAt = a_channelSecurityToken.CreatedAt;
a_pSecureChannel->CurrentChannelSecurityToken.RevisedLifetime = a_channelSecurityToken.RevisedLifetime;
/*** SECURECHANNEL ***/
a_pSecureChannel->State = OpcUa_SecureChannelState_Opened;
a_pSecureChannel->TransportConnection = a_hTransportConnection;
a_pSecureChannel->MessageSecurityMode = a_messageSecurityMode;
a_pSecureChannel->uExpirationCounter = (OpcUa_UInt32)(a_pSecureChannel->CurrentChannelSecurityToken.RevisedLifetime/OPCUA_SECURELISTENER_WATCHDOG_INTERVAL);
a_pSecureChannel->uOverlapCounter = (OpcUa_UInt32)((a_pSecureChannel->CurrentChannelSecurityToken.RevisedLifetime>>2)/OPCUA_SECURELISTENER_WATCHDOG_INTERVAL);
/* copy client certificate */
if(a_pbsClientCertificate != OpcUa_Null && a_pbsClientCertificate->Length > 0)
{
a_pSecureChannel->ClientCertificate.Data = (OpcUa_Byte *)OpcUa_Alloc(a_pbsClientCertificate->Length);
OpcUa_GotoErrorIfAllocFailed(a_pSecureChannel->ClientCertificate.Data);
a_pSecureChannel->ClientCertificate.Length = a_pbsClientCertificate->Length;
OpcUa_MemCpy( a_pSecureChannel->ClientCertificate.Data,
a_pSecureChannel->ClientCertificate.Length,
a_pbsClientCertificate->Data,
a_pbsClientCertificate->Length);
}
else
{
OpcUa_ByteString_Initialize(&a_pSecureChannel->ClientCertificate);
}
if(a_pbsServerCertificate != OpcUa_Null && a_pbsServerCertificate->Length > 0)
{
a_pSecureChannel->ServerCertificate.Data = (OpcUa_Byte*)OpcUa_Alloc(a_pbsServerCertificate->Length);
OpcUa_GotoErrorIfAllocFailed(a_pSecureChannel->ServerCertificate.Data);
a_pSecureChannel->ServerCertificate.Length = a_pbsServerCertificate->Length;
OpcUa_MemCpy( a_pSecureChannel->ServerCertificate.Data,
a_pSecureChannel->ServerCertificate.Length,
a_pbsServerCertificate->Data,
a_pbsServerCertificate->Length);
}
else
{
OpcUa_ByteString_Initialize(&a_pSecureChannel->ServerCertificate);
}
a_pSecureChannel->pCurrentReceivingKeyset = a_pReceivingKeyset;
a_pSecureChannel->pCurrentSendingKeyset = a_pSendingKeyset;
a_pSecureChannel->pCurrentCryptoProvider = a_pCryptoProvider;
OPCUA_SECURECHANNEL_UNLOCK(a_pSecureChannel);
OpcUa_ReturnStatusCode;
OpcUa_BeginErrorHandling;
OpcUa_SecurityKeyset_Clear(a_pReceivingKeyset);
OpcUa_SecurityKeyset_Clear(a_pSendingKeyset);
OpcUa_Free(a_pReceivingKeyset);
OpcUa_Free(a_pSendingKeyset);
OPCUA_SECURECHANNEL_UNLOCK(a_pSecureChannel);
OpcUa_FinishErrorHandling;
}
/*============================================================================
* OpcUa_ProxyStub_UpdateConfigString
*===========================================================================*/
static OpcUa_StatusCode OpcUa_ProxyStub_UpdateConfigString()
{
OpcUa_Int iRes = 0;
OpcUa_Int iPos = 0;
OpcUa_InitializeStatus(OpcUa_Module_ProxyStub, "UpdateConfigString");
#if OPCUA_USE_SYNCHRONISATION
OPCUA_P_MUTEX_LOCK(OpcUa_ProxyStub_g_hGlobalsMutex);
#endif /* OPCUA_USE_SYNCHRONISATION */
if(OpcUa_ProxyStub_g_pConfigString == OpcUa_Null)
{
OpcUa_ProxyStub_g_pConfigString = (OpcUa_StringA) OpcUa_Alloc(OPCUA_CONFIG_STRING_SIZE + 1);
OpcUa_GotoErrorIfAllocFailed(OpcUa_ProxyStub_g_pConfigString);
OpcUa_MemSet(OpcUa_ProxyStub_g_pConfigString, 0, OPCUA_CONFIG_STRING_SIZE + 1);
}
#if OPCUA_USE_SAFE_FUNCTIONS
iRes = OpcUa_SnPrintfA(&OpcUa_ProxyStub_g_pConfigString[iPos], OPCUA_CONFIG_STRING_SIZE - iPos, OPCUA_CONFIG_STRING_SIZE - iPos, "%s:%u\\", "TraceEnabled", (OpcUa_ProxyStub_g_Configuration.bProxyStub_Trace_Enabled != 0)?1:0);
if(iRes > 0){iPos += iRes;}else{OpcUa_GotoErrorWithStatus(OpcUa_BadInternalError);}
iRes = OpcUa_SnPrintfA(&OpcUa_ProxyStub_g_pConfigString[iPos], OPCUA_CONFIG_STRING_SIZE - iPos, OPCUA_CONFIG_STRING_SIZE - iPos, "%s:%u\\", "TraceLevel", OpcUa_ProxyStub_g_Configuration.uProxyStub_Trace_Level);
if(iRes > 0){iPos += iRes;}else{OpcUa_GotoErrorWithStatus(OpcUa_BadOutOfMemory);}
iRes = OpcUa_SnPrintfA(&OpcUa_ProxyStub_g_pConfigString[iPos], OPCUA_CONFIG_STRING_SIZE - iPos, OPCUA_CONFIG_STRING_SIZE - iPos, "%s:%i\\", "iSerializer_MaxAlloc", OpcUa_ProxyStub_g_Configuration.iSerializer_MaxAlloc);
if(iRes > 0){iPos += iRes;}else{OpcUa_GotoErrorWithStatus(OpcUa_BadOutOfMemory);}
iRes = OpcUa_SnPrintfA(&OpcUa_ProxyStub_g_pConfigString[iPos], OPCUA_CONFIG_STRING_SIZE - iPos, OPCUA_CONFIG_STRING_SIZE - iPos, "%s:%i\\", "iSerializer_MaxStringLength", OpcUa_ProxyStub_g_Configuration.iSerializer_MaxStringLength);
if(iRes > 0){iPos += iRes;}else{OpcUa_GotoErrorWithStatus(OpcUa_BadOutOfMemory);}
iRes = OpcUa_SnPrintfA(&OpcUa_ProxyStub_g_pConfigString[iPos], OPCUA_CONFIG_STRING_SIZE - iPos, OPCUA_CONFIG_STRING_SIZE - iPos, "%s:%i\\", "iSerializer_MaxByteStringLength", OpcUa_ProxyStub_g_Configuration.iSerializer_MaxByteStringLength);
if(iRes > 0){iPos += iRes;}else{OpcUa_GotoErrorWithStatus(OpcUa_BadOutOfMemory);}
iRes = OpcUa_SnPrintfA(&OpcUa_ProxyStub_g_pConfigString[iPos], OPCUA_CONFIG_STRING_SIZE - iPos, OPCUA_CONFIG_STRING_SIZE - iPos, "%s:%i\\", "iSerializer_MaxArrayLength", OpcUa_ProxyStub_g_Configuration.iSerializer_MaxArrayLength);
if(iRes > 0){iPos += iRes;}else{OpcUa_GotoErrorWithStatus(OpcUa_BadOutOfMemory);}
iRes = OpcUa_SnPrintfA(&OpcUa_ProxyStub_g_pConfigString[iPos], OPCUA_CONFIG_STRING_SIZE - iPos, OPCUA_CONFIG_STRING_SIZE - iPos, "%s:%i\\", "iSerializer_MaxMessageSize", OpcUa_ProxyStub_g_Configuration.iSerializer_MaxMessageSize);
if(iRes > 0){iPos += iRes;}else{OpcUa_GotoErrorWithStatus(OpcUa_BadOutOfMemory);}
iRes = OpcUa_SnPrintfA(&OpcUa_ProxyStub_g_pConfigString[iPos], OPCUA_CONFIG_STRING_SIZE - iPos, OPCUA_CONFIG_STRING_SIZE - iPos, "%s:%u\\", "bSecureListener_ThreadPool_Enabled", (OpcUa_ProxyStub_g_Configuration.bSecureListener_ThreadPool_Enabled != 0)?1:0);
if(iRes > 0){iPos += iRes;}else{OpcUa_GotoErrorWithStatus(OpcUa_BadOutOfMemory);}
iRes = OpcUa_SnPrintfA(&OpcUa_ProxyStub_g_pConfigString[iPos], OPCUA_CONFIG_STRING_SIZE - iPos, OPCUA_CONFIG_STRING_SIZE - iPos, "%s:%i\\", "iSecureListener_ThreadPool_MinThreads", OpcUa_ProxyStub_g_Configuration.iSecureListener_ThreadPool_MinThreads);
if(iRes > 0){iPos += iRes;}else{OpcUa_GotoErrorWithStatus(OpcUa_BadOutOfMemory);}
iRes = OpcUa_SnPrintfA(&OpcUa_ProxyStub_g_pConfigString[iPos], OPCUA_CONFIG_STRING_SIZE - iPos, OPCUA_CONFIG_STRING_SIZE - iPos, "%s:%i\\", "iSecureListener_ThreadPool_MaxThreads", OpcUa_ProxyStub_g_Configuration.iSecureListener_ThreadPool_MaxThreads);
if(iRes > 0){iPos += iRes;}else{OpcUa_GotoErrorWithStatus(OpcUa_BadOutOfMemory);}
iRes = OpcUa_SnPrintfA(&OpcUa_ProxyStub_g_pConfigString[iPos], OPCUA_CONFIG_STRING_SIZE - iPos, OPCUA_CONFIG_STRING_SIZE - iPos, "%s:%i\\", "iSecureListener_ThreadPool_MaxJobs", OpcUa_ProxyStub_g_Configuration.iSecureListener_ThreadPool_MaxJobs);
if(iRes > 0){iPos += iRes;}else{OpcUa_GotoErrorWithStatus(OpcUa_BadOutOfMemory);}
iRes = OpcUa_SnPrintfA(&OpcUa_ProxyStub_g_pConfigString[iPos], OPCUA_CONFIG_STRING_SIZE - iPos, OPCUA_CONFIG_STRING_SIZE - iPos, "%s:%u\\", "bSecureListener_ThreadPool_BlockOnAdd", (OpcUa_ProxyStub_g_Configuration.bSecureListener_ThreadPool_BlockOnAdd != 0)?1:0);
if(iRes > 0){iPos += iRes;}else{OpcUa_GotoErrorWithStatus(OpcUa_BadOutOfMemory);}
iRes = OpcUa_SnPrintfA(&OpcUa_ProxyStub_g_pConfigString[iPos], OPCUA_CONFIG_STRING_SIZE - iPos, OPCUA_CONFIG_STRING_SIZE - iPos, "%s:%u\\", "uSecureListener_ThreadPool_Timeout", OpcUa_ProxyStub_g_Configuration.uSecureListener_ThreadPool_Timeout);
if(iRes > 0){iPos += iRes;}else{OpcUa_GotoErrorWithStatus(OpcUa_BadOutOfMemory);}
iRes = OpcUa_SnPrintfA(&OpcUa_ProxyStub_g_pConfigString[iPos], OPCUA_CONFIG_STRING_SIZE - iPos, OPCUA_CONFIG_STRING_SIZE - iPos, "%s:%u\\", "bTcpListener_ClientThreadsEnabled", (OpcUa_ProxyStub_g_Configuration.bTcpListener_ClientThreadsEnabled != 0)?1:0);
if(iRes > 0){iPos += iRes;}else{OpcUa_GotoErrorWithStatus(OpcUa_BadOutOfMemory);}
iRes = OpcUa_SnPrintfA(&OpcUa_ProxyStub_g_pConfigString[iPos], OPCUA_CONFIG_STRING_SIZE - iPos, OPCUA_CONFIG_STRING_SIZE - iPos, "%s:%i\\", "iTcpListener_DefaultChunkSize", OpcUa_ProxyStub_g_Configuration.iTcpListener_DefaultChunkSize);
if(iRes > 0){iPos += iRes;}else{OpcUa_GotoErrorWithStatus(OpcUa_BadOutOfMemory);}
iRes = OpcUa_SnPrintfA(&OpcUa_ProxyStub_g_pConfigString[iPos], OPCUA_CONFIG_STRING_SIZE - iPos, OPCUA_CONFIG_STRING_SIZE - iPos, "%s:%i\\", "iTcpConnection_DefaultChunkSize", OpcUa_ProxyStub_g_Configuration.iTcpConnection_DefaultChunkSize);
if(iRes > 0){iPos += iRes;}else{OpcUa_GotoErrorWithStatus(OpcUa_BadOutOfMemory);}
iRes = OpcUa_SnPrintfA(&OpcUa_ProxyStub_g_pConfigString[iPos], OPCUA_CONFIG_STRING_SIZE - iPos, OPCUA_CONFIG_STRING_SIZE - iPos, "%s:%i\\", "iTcpTransport_MaxMessageLength", OpcUa_ProxyStub_g_Configuration.iTcpTransport_MaxMessageLength);
if(iRes > 0){iPos += iRes;}else{OpcUa_GotoErrorWithStatus(OpcUa_BadOutOfMemory);}
iRes = OpcUa_SnPrintfA(&OpcUa_ProxyStub_g_pConfigString[iPos], OPCUA_CONFIG_STRING_SIZE - iPos, OPCUA_CONFIG_STRING_SIZE - iPos, "%s:%i\\", "iTcpTransport_MaxChunkCount", OpcUa_ProxyStub_g_Configuration.iTcpTransport_MaxChunkCount);
if(iRes > 0){iPos += iRes;}else{OpcUa_GotoErrorWithStatus(OpcUa_BadOutOfMemory);}
iRes = OpcUa_SnPrintfA(&OpcUa_ProxyStub_g_pConfigString[iPos], OPCUA_CONFIG_STRING_SIZE - iPos, OPCUA_CONFIG_STRING_SIZE - iPos, "%s:%u\\", "bTcpStream_ExpectWriteToBlock", (OpcUa_ProxyStub_g_Configuration.bTcpStream_ExpectWriteToBlock != 0)?1:0);
if(iRes > 0){iPos += iRes;}else{OpcUa_GotoErrorWithStatus(OpcUa_BadOutOfMemory);}
#else /* OPCUA_USE_SAFE_FUNCTIONS */
iRes = OpcUa_SnPrintfA(&OpcUa_ProxyStub_g_pConfigString[iPos], OPCUA_CONFIG_STRING_SIZE - iPos, "%s:%u\\", "TraceEnabled", (OpcUa_ProxyStub_g_Configuration.bProxyStub_Trace_Enabled != 0)?1:0);
if(iRes > 0){iPos += iRes;}else{OpcUa_GotoErrorWithStatus(OpcUa_BadInternalError);}
iRes = OpcUa_SnPrintfA(&OpcUa_ProxyStub_g_pConfigString[iPos], OPCUA_CONFIG_STRING_SIZE - iPos, "%s:%u\\", "TraceLevel", OpcUa_ProxyStub_g_Configuration.uProxyStub_Trace_Level);
if(iRes > 0){iPos += iRes;}else{OpcUa_GotoErrorWithStatus(OpcUa_BadOutOfMemory);}
iRes = OpcUa_SnPrintfA(&OpcUa_ProxyStub_g_pConfigString[iPos], OPCUA_CONFIG_STRING_SIZE - iPos, "%s:%i\\", "iSerializer_MaxAlloc", OpcUa_ProxyStub_g_Configuration.iSerializer_MaxAlloc);
if(iRes > 0){iPos += iRes;}else{OpcUa_GotoErrorWithStatus(OpcUa_BadOutOfMemory);}
iRes = OpcUa_SnPrintfA(&OpcUa_ProxyStub_g_pConfigString[iPos], OPCUA_CONFIG_STRING_SIZE - iPos, "%s:%i\\", "iSerializer_MaxStringLength", OpcUa_ProxyStub_g_Configuration.iSerializer_MaxStringLength);
if(iRes > 0){iPos += iRes;}else{OpcUa_GotoErrorWithStatus(OpcUa_BadOutOfMemory);}
iRes = OpcUa_SnPrintfA(&OpcUa_ProxyStub_g_pConfigString[iPos], OPCUA_CONFIG_STRING_SIZE - iPos, "%s:%i\\", "iSerializer_MaxByteStringLength", OpcUa_ProxyStub_g_Configuration.iSerializer_MaxByteStringLength);
if(iRes > 0){iPos += iRes;}else{OpcUa_GotoErrorWithStatus(OpcUa_BadOutOfMemory);}
iRes = OpcUa_SnPrintfA(&OpcUa_ProxyStub_g_pConfigString[iPos], OPCUA_CONFIG_STRING_SIZE - iPos, "%s:%i\\", "iSerializer_MaxArrayLength", OpcUa_ProxyStub_g_Configuration.iSerializer_MaxArrayLength);
if(iRes > 0){iPos += iRes;}else{OpcUa_GotoErrorWithStatus(OpcUa_BadOutOfMemory);}
iRes = OpcUa_SnPrintfA(&OpcUa_ProxyStub_g_pConfigString[iPos], OPCUA_CONFIG_STRING_SIZE - iPos, "%s:%i\\", "iSerializer_MaxMessageSize", OpcUa_ProxyStub_g_Configuration.iSerializer_MaxMessageSize);
if(iRes > 0){iPos += iRes;}else{OpcUa_GotoErrorWithStatus(OpcUa_BadOutOfMemory);}
iRes = OpcUa_SnPrintfA(&OpcUa_ProxyStub_g_pConfigString[iPos], OPCUA_CONFIG_STRING_SIZE - iPos, "%s:%u\\", "bSecureListener_ThreadPool_Enabled", (OpcUa_ProxyStub_g_Configuration.bSecureListener_ThreadPool_Enabled != 0)?1:0);
if(iRes > 0){iPos += iRes;}else{OpcUa_GotoErrorWithStatus(OpcUa_BadOutOfMemory);}
iRes = OpcUa_SnPrintfA(&OpcUa_ProxyStub_g_pConfigString[iPos], OPCUA_CONFIG_STRING_SIZE - iPos, "%s:%i\\", "iSecureListener_ThreadPool_MinThreads", OpcUa_ProxyStub_g_Configuration.iSecureListener_ThreadPool_MinThreads);
if(iRes > 0){iPos += iRes;}else{OpcUa_GotoErrorWithStatus(OpcUa_BadOutOfMemory);}
iRes = OpcUa_SnPrintfA(&OpcUa_ProxyStub_g_pConfigString[iPos], OPCUA_CONFIG_STRING_SIZE - iPos, "%s:%i\\", "iSecureListener_ThreadPool_MaxThreads", OpcUa_ProxyStub_g_Configuration.iSecureListener_ThreadPool_MaxThreads);
if(iRes > 0){iPos += iRes;}else{OpcUa_GotoErrorWithStatus(OpcUa_BadOutOfMemory);}
iRes = OpcUa_SnPrintfA(&OpcUa_ProxyStub_g_pConfigString[iPos], OPCUA_CONFIG_STRING_SIZE - iPos, "%s:%i\\", "iSecureListener_ThreadPool_MaxJobs", OpcUa_ProxyStub_g_Configuration.iSecureListener_ThreadPool_MaxJobs);
if(iRes > 0){iPos += iRes;}else{OpcUa_GotoErrorWithStatus(OpcUa_BadOutOfMemory);}
iRes = OpcUa_SnPrintfA(&OpcUa_ProxyStub_g_pConfigString[iPos], OPCUA_CONFIG_STRING_SIZE - iPos, "%s:%u\\", "bSecureListener_ThreadPool_BlockOnAdd", (OpcUa_ProxyStub_g_Configuration.bSecureListener_ThreadPool_BlockOnAdd != 0)?1:0);
if(iRes > 0){iPos += iRes;}else{OpcUa_GotoErrorWithStatus(OpcUa_BadOutOfMemory);}
iRes = OpcUa_SnPrintfA(&OpcUa_ProxyStub_g_pConfigString[iPos], OPCUA_CONFIG_STRING_SIZE - iPos, "%s:%u\\", "uSecureListener_ThreadPool_Timeout", OpcUa_ProxyStub_g_Configuration.uSecureListener_ThreadPool_Timeout);
if(iRes > 0){iPos += iRes;}else{OpcUa_GotoErrorWithStatus(OpcUa_BadOutOfMemory);}
iRes = OpcUa_SnPrintfA(&OpcUa_ProxyStub_g_pConfigString[iPos], OPCUA_CONFIG_STRING_SIZE - iPos, "%s:%u\\", "bTcpListener_ClientThreadsEnabled", (OpcUa_ProxyStub_g_Configuration.bTcpListener_ClientThreadsEnabled != 0)?1:0);
if(iRes > 0){iPos += iRes;}else{OpcUa_GotoErrorWithStatus(OpcUa_BadOutOfMemory);}
iRes = OpcUa_SnPrintfA(&OpcUa_ProxyStub_g_pConfigString[iPos], OPCUA_CONFIG_STRING_SIZE - iPos, "%s:%i\\", "iTcpListener_DefaultChunkSize", OpcUa_ProxyStub_g_Configuration.iTcpListener_DefaultChunkSize);
if(iRes > 0){iPos += iRes;}else{OpcUa_GotoErrorWithStatus(OpcUa_BadOutOfMemory);}
iRes = OpcUa_SnPrintfA(&OpcUa_ProxyStub_g_pConfigString[iPos], OPCUA_CONFIG_STRING_SIZE - iPos, "%s:%i\\", "iTcpConnection_DefaultChunkSize", OpcUa_ProxyStub_g_Configuration.iTcpConnection_DefaultChunkSize);
if(iRes > 0){iPos += iRes;}else{OpcUa_GotoErrorWithStatus(OpcUa_BadOutOfMemory);}
iRes = OpcUa_SnPrintfA(&OpcUa_ProxyStub_g_pConfigString[iPos], OPCUA_CONFIG_STRING_SIZE - iPos, "%s:%i\\", "iTcpTransport_MaxMessageLength", OpcUa_ProxyStub_g_Configuration.iTcpTransport_MaxMessageLength);
if(iRes > 0){iPos += iRes;}else{OpcUa_GotoErrorWithStatus(OpcUa_BadOutOfMemory);}
iRes = OpcUa_SnPrintfA(&OpcUa_ProxyStub_g_pConfigString[iPos], OPCUA_CONFIG_STRING_SIZE - iPos, "%s:%i\\", "iTcpTransport_MaxChunkCount", OpcUa_ProxyStub_g_Configuration.iTcpTransport_MaxChunkCount);
if(iRes > 0){iPos += iRes;}else{OpcUa_GotoErrorWithStatus(OpcUa_BadOutOfMemory);}
iRes = OpcUa_SnPrintfA(&OpcUa_ProxyStub_g_pConfigString[iPos], OPCUA_CONFIG_STRING_SIZE - iPos, "%s:%u\\", "bTcpStream_ExpectWriteToBlock", (OpcUa_ProxyStub_g_Configuration.bTcpStream_ExpectWriteToBlock != 0)?1:0);
if(iRes > 0){iPos += iRes;}else{OpcUa_GotoErrorWithStatus(OpcUa_BadOutOfMemory);}
#endif /* OPCUA_USE_SAFE_FUNCTIONS */
#if OPCUA_USE_SYNCHRONISATION
OPCUA_P_MUTEX_UNLOCK(OpcUa_ProxyStub_g_hGlobalsMutex);
#endif /* OPCUA_USE_SYNCHRONISATION */
OpcUa_ReturnStatusCode;
OpcUa_BeginErrorHandling;
OpcUa_FinishErrorHandling;
}
/*============================================================================
* OpcUa_P_OpenSSL_RSA_LoadPrivateKeyFromFile
*===========================================================================*/
OpcUa_StatusCode OpcUa_P_OpenSSL_RSA_LoadPrivateKeyFromFile(
OpcUa_StringA a_privateKeyFile,
OpcUa_P_FileFormat a_fileFormat,
OpcUa_StringA a_password, /* optional: just needed encrypted PEM */
OpcUa_ByteString* a_pPrivateKey)
{
BIO* pPrivateKeyFile = OpcUa_Null;
RSA* pRsaPrivateKey = OpcUa_Null;
EVP_PKEY* pEvpKey = OpcUa_Null;
unsigned char* pData;
OpcUa_InitializeStatus(OpcUa_Module_P_OpenSSL, "RSA_LoadPrivateKeyFromFile");
/* check parameters */
OpcUa_ReturnErrorIfArgumentNull(a_privateKeyFile);
OpcUa_ReturnErrorIfArgumentNull(a_pPrivateKey);
if(a_fileFormat == OpcUa_Crypto_Encoding_Invalid)
{
return OpcUa_BadInvalidArgument;
}
OpcUa_ReferenceParameter(a_password);
/* open file */
pPrivateKeyFile = BIO_new_file((const char*)a_privateKeyFile, "rb");
OpcUa_ReturnErrorIfArgumentNull(pPrivateKeyFile);
/* read and convert file */
switch(a_fileFormat)
{
case OpcUa_Crypto_Encoding_PEM:
{
/* read from file */
pEvpKey = PEM_read_bio_PrivateKey( pPrivateKeyFile, /* file */
NULL, /* key struct */
0, /* password callback */
a_password); /* default passphrase or arbitrary handle */
OpcUa_GotoErrorIfNull(pEvpKey, OpcUa_Bad);
break;
}
case OpcUa_Crypto_Encoding_PKCS12:
{
int iResult = 0;
/* read from file. */
PKCS12* pPkcs12 = d2i_PKCS12_bio(pPrivateKeyFile, NULL);
if (pPkcs12 == 0)
{
OpcUa_GotoErrorWithStatus(OpcUa_BadEncodingError);
}
/* parse the certificate. */
iResult = PKCS12_parse(pPkcs12, a_password, &pEvpKey, NULL, NULL);
if (iResult == 0)
{
OpcUa_GotoErrorWithStatus(OpcUa_BadEncodingError);
}
/* free certificate. */
PKCS12_free(pPkcs12);
pPkcs12 = NULL;
break;
}
case OpcUa_Crypto_Encoding_DER:
default:
{
uStatus = OpcUa_BadNotSupported;
OpcUa_GotoError;
}
}
/* convert to intermediary openssl struct */
pRsaPrivateKey = EVP_PKEY_get1_RSA(pEvpKey);
EVP_PKEY_free(pEvpKey);
OpcUa_GotoErrorIfNull(pRsaPrivateKey, OpcUa_Bad);
/* get required length */
a_pPrivateKey->Length = i2d_RSAPrivateKey(pRsaPrivateKey, OpcUa_Null);
OpcUa_GotoErrorIfTrue((a_pPrivateKey->Length <= 0), OpcUa_Bad);
/* allocate target buffer */
a_pPrivateKey->Data = (OpcUa_Byte*)OpcUa_P_Memory_Alloc(a_pPrivateKey->Length);
OpcUa_GotoErrorIfAllocFailed(a_pPrivateKey->Data);
/* do real conversion */
pData = a_pPrivateKey->Data;
a_pPrivateKey->Length = i2d_RSAPrivateKey(pRsaPrivateKey, &pData);
OpcUa_GotoErrorIfTrue((a_pPrivateKey->Length <= 0), OpcUa_Bad);
RSA_free(pRsaPrivateKey);
BIO_free(pPrivateKeyFile);
OpcUa_ReturnStatusCode;
OpcUa_BeginErrorHandling;
if(pEvpKey)
{
EVP_PKEY_free(pEvpKey);
}
if(a_pPrivateKey != OpcUa_Null)
{
if(a_pPrivateKey->Data != OpcUa_Null)
{
OpcUa_P_Memory_Free(a_pPrivateKey->Data);
a_pPrivateKey->Data = OpcUa_Null;
a_pPrivateKey->Length = -1;
}
}
if(pPrivateKeyFile != NULL)
{
BIO_free(pPrivateKeyFile);
}
if(pRsaPrivateKey != NULL)
{
RSA_free(pRsaPrivateKey);
}
OpcUa_FinishErrorHandling;
}
OpcUa_StatusCode fill_Variant_for_value_attribute(_VariableKnoten_* p_Node, OpcUa_String* p_Index, OpcUa_DataValue* p_Results)
{
OpcUa_Int i;
OpcUa_StatusCode uStatus = OpcUa_Good;
extern my_Variant all_ValueAttribute_of_VariableTypeNodes_VariableNodes[];
OpcUa_ReturnErrorIfArgumentNull(p_Node);
/*OpcUa_ReturnErrorIfArgumentNull(p_Index);*/
OpcUa_ReturnErrorIfArgumentNull(p_Results);
if(p_Node->ValueIndex == (-1))
{
OpcUa_GotoErrorWithStatus(OpcUa_BadNotReadable)
}
if(all_ValueAttribute_of_VariableTypeNodes_VariableNodes[p_Node->ValueIndex].ArrayType==OpcUa_VariantArrayType_Scalar)
{
switch(all_ValueAttribute_of_VariableTypeNodes_VariableNodes[p_Node->ValueIndex].Datatype)
{
case OpcUaId_Double:
{
p_Results->Value.Value.Double=all_ValueAttribute_of_VariableTypeNodes_VariableNodes[p_Node->ValueIndex].Value.Double;
fill_datatype_arraytype_in_my_Variant(p_Results,OpcUaId_Double, OpcUa_VariantArrayType_Scalar,0);
break;
}
case OpcUaId_DateTime:
{
p_Results->Value.Value.DateTime=all_ValueAttribute_of_VariableTypeNodes_VariableNodes[p_Node->ValueIndex].Value.DateTime;
fill_datatype_arraytype_in_my_Variant(p_Results,OpcUaId_DateTime, OpcUa_VariantArrayType_Scalar,0);
break;
}
case OpcUaId_String:
{
uStatus= OpcUa_String_AttachCopy(&(p_Results->Value.Value.String),all_ValueAttribute_of_VariableTypeNodes_VariableNodes[p_Node->ValueIndex].Value.String);
OpcUa_GotoErrorIfBad(uStatus)
fill_datatype_arraytype_in_my_Variant(p_Results,OpcUaId_String, OpcUa_VariantArrayType_Scalar,0);
break;
}
case OpcUaId_UInt32:
{
p_Results->Value.Value.UInt32=all_ValueAttribute_of_VariableTypeNodes_VariableNodes[p_Node->ValueIndex].Value.UInt32;
fill_datatype_arraytype_in_my_Variant(p_Results,OpcUaId_UInt32, OpcUa_VariantArrayType_Scalar,0);
break;
}
case OpcUaId_Boolean:
{
p_Results->Value.Value.Boolean=all_ValueAttribute_of_VariableTypeNodes_VariableNodes[p_Node->ValueIndex].Value.Boolean;
fill_datatype_arraytype_in_my_Variant(p_Results,OpcUaId_Boolean, OpcUa_VariantArrayType_Scalar,0);
break;
}
}
}
if(all_ValueAttribute_of_VariableTypeNodes_VariableNodes[p_Node->ValueIndex].ArrayType==OpcUa_VariantArrayType_Array)
{
switch(all_ValueAttribute_of_VariableTypeNodes_VariableNodes[p_Node->ValueIndex].Datatype)
{
case OpcUaId_Double:
{
p_Results->Value.Value.Array.Value.DoubleArray=OpcUa_Memory_Alloc((all_ValueAttribute_of_VariableTypeNodes_VariableNodes[p_Node->ValueIndex].Value.Array.Length)*sizeof(OpcUa_Double));
OpcUa_GotoErrorIfAllocFailed((p_Results->Value.Value.Array.Value.DoubleArray))
OpcUa_MemCpy((p_Results->Value.Value.Array.Value.DoubleArray),(all_ValueAttribute_of_VariableTypeNodes_VariableNodes[p_Node->ValueIndex].Value.Array.Length)*sizeof(OpcUa_Double),(all_ValueAttribute_of_VariableTypeNodes_VariableNodes[p_Node->ValueIndex].Value.Array.Value.DoubleArray),(all_ValueAttribute_of_VariableTypeNodes_VariableNodes[p_Node->ValueIndex].Value.Array.Length)*sizeof(OpcUa_Double));
fill_datatype_arraytype_in_my_Variant(p_Results,OpcUaId_Double, OpcUa_VariantArrayType_Array,all_ValueAttribute_of_VariableTypeNodes_VariableNodes[p_Node->ValueIndex].Value.Array.Length);
break;
}
case OpcUaId_String:
{
p_Results->Value.Value.Array.Value.StringArray=OpcUa_Memory_Alloc((all_ValueAttribute_of_VariableTypeNodes_VariableNodes[p_Node->ValueIndex].Value.Array.Length)*sizeof(OpcUa_String));
OpcUa_GotoErrorIfAllocFailed((p_Results->Value.Value.Array.Value.DoubleArray))
for(i=0;i<(all_ValueAttribute_of_VariableTypeNodes_VariableNodes[p_Node->ValueIndex].Value.Array.Length);i++)
{
uStatus= OpcUa_String_AttachCopy((p_Results->Value.Value.Array.Value.StringArray)+i,*(all_ValueAttribute_of_VariableTypeNodes_VariableNodes[p_Node->ValueIndex].Value.Array.Value.StringArray+i));
if(OpcUa_IsBad(uStatus))
OpcUa_GotoError
}
fill_datatype_arraytype_in_my_Variant(p_Results,OpcUaId_String, OpcUa_VariantArrayType_Array,all_ValueAttribute_of_VariableTypeNodes_VariableNodes[p_Node->ValueIndex].Value.Array.Length);
break;
}
case OpcUaId_UInt32:
{
p_Results->Value.Value.Array.Value.UInt32Array=OpcUa_Memory_Alloc((all_ValueAttribute_of_VariableTypeNodes_VariableNodes[p_Node->ValueIndex].Value.Array.Length)*sizeof(OpcUa_UInt32));
OpcUa_GotoErrorIfAllocFailed((p_Results->Value.Value.Array.Value.UInt32Array))
OpcUa_MemCpy((p_Results->Value.Value.Array.Value.UInt32Array),(all_ValueAttribute_of_VariableTypeNodes_VariableNodes[p_Node->ValueIndex].Value.Array.Length)*sizeof(OpcUa_UInt32),(all_ValueAttribute_of_VariableTypeNodes_VariableNodes[p_Node->ValueIndex].Value.Array.Value.UInt32Array),(all_ValueAttribute_of_VariableTypeNodes_VariableNodes[p_Node->ValueIndex].Value.Array.Length)*sizeof(OpcUa_UInt32));
fill_datatype_arraytype_in_my_Variant(p_Results,OpcUaId_UInt32, OpcUa_VariantArrayType_Array,all_ValueAttribute_of_VariableTypeNodes_VariableNodes[p_Node->ValueIndex].Value.Array.Length);
break;
}
case OpcUaId_Boolean:
{
p_Results->Value.Value.Array.Value.BooleanArray=OpcUa_Memory_Alloc((all_ValueAttribute_of_VariableTypeNodes_VariableNodes[p_Node->ValueIndex].Value.Array.Length)*sizeof(OpcUa_Boolean));
OpcUa_GotoErrorIfAllocFailed((p_Results->Value.Value.Array.Value.BooleanArray))
OpcUa_MemCpy((p_Results->Value.Value.Array.Value.BooleanArray),(all_ValueAttribute_of_VariableTypeNodes_VariableNodes[p_Node->ValueIndex].Value.Array.Length)*sizeof(OpcUa_Boolean),(all_ValueAttribute_of_VariableTypeNodes_VariableNodes[p_Node->ValueIndex].Value.Array.Value.BooleanArray),(all_ValueAttribute_of_VariableTypeNodes_VariableNodes[p_Node->ValueIndex].Value.Array.Length)*sizeof(OpcUa_Boolean));
fill_datatype_arraytype_in_my_Variant(p_Results,OpcUaId_UInt32, OpcUa_VariantArrayType_Array,all_ValueAttribute_of_VariableTypeNodes_VariableNodes[p_Node->ValueIndex].Value.Array.Length);
break;
}
}
}
OpcUa_ReturnStatusCode;
OpcUa_BeginErrorHandling;
p_Results->StatusCode=uStatus;
OpcUa_FinishErrorHandling;
}