int encodeUserData(byte[] buffer, int bufPos, byte[] payload, int payloadLength, bool encode, byte contextId)
{
int encodedDataSetLength = 3; /* presentation-selector */
/* presentation-data */
encodedDataSetLength += payloadLength + 1;
encodedDataSetLength += IsoUtil.BerEncoder_determineLengthSize((uint)payloadLength);
int fullyEncodedDataLength = encodedDataSetLength;
fullyEncodedDataLength += IsoUtil.BerEncoder_determineLengthSize((uint)encodedDataSetLength) + 1;
if (encode)
{
/* fully-encoded-data */
bufPos = IsoUtil.BerEncoder_encodeTL(0x61, (uint)fullyEncodedDataLength, buffer, bufPos);
bufPos = IsoUtil.BerEncoder_encodeTL(0x30, (uint)encodedDataSetLength, buffer, bufPos);
/* presentation-selector acse */
bufPos = IsoUtil.BerEncoder_encodeTL(0x02, 1, buffer, bufPos);
buffer[bufPos++] = contextId;
/* presentation-data (= acse payload) */
bufPos = IsoUtil.BerEncoder_encodeTL(0xa0, (uint)payloadLength, buffer, bufPos);
return(bufPos);
}
else
{
int encodedUserDataLength = fullyEncodedDataLength + 1;
encodedUserDataLength += IsoUtil.BerEncoder_determineLengthSize((uint)fullyEncodedDataLength);
return(encodedUserDataLength);
}
}
public int createUserDataACSE(byte[] buffer, byte[] payload, int payloadLength)
{
int bufPos = 0;
int userDataLengthFieldSize = IsoUtil.BerEncoder_determineLengthSize((uint)payloadLength);
int pdvListLength = payloadLength + (userDataLengthFieldSize + 4);
int pdvListLengthFieldSize = IsoUtil.BerEncoder_determineLengthSize((uint)pdvListLength);
int presentationLength = pdvListLength + (pdvListLengthFieldSize + 1);
bufPos = IsoUtil.BerEncoder_encodeTL(0x61, (uint)presentationLength, buffer, bufPos);
bufPos = IsoUtil.BerEncoder_encodeTL(0x30, (uint)pdvListLength, buffer, bufPos);
buffer[bufPos++] = (byte)0x02;
buffer[bufPos++] = (byte)0x01;
buffer[bufPos++] = (byte)acseContextId; /* ACSE context id */
bufPos = IsoUtil.BerEncoder_encodeTL(0xa0, (uint)payloadLength, buffer, bufPos);
/*writeBuffer->partLength = bufPos;
* writeBuffer->length = bufPos + payloadLength;
* writeBuffer->nextPart = payload;*/
Array.Copy(payload, 0, buffer, bufPos, payloadLength);
return(bufPos + payloadLength);
}
int encodeAcceptBer(byte[] buffer, int bufPos)
{
bufPos = IsoUtil.BerEncoder_encodeTL(0x30, 7, buffer, bufPos);
bufPos = IsoUtil.BerEncoder_encodeTL(0x80, 1, buffer, bufPos);
buffer[bufPos++] = 0;
bufPos = IsoUtil.BerEncoder_encodeTL(0x81, 2, buffer, bufPos);
buffer[bufPos++] = 0x51;
buffer[bufPos++] = 0x01;
return(bufPos);
}
public int createCpaMessage(byte[] buffer, byte[] payload, int payloadLength)
{
int contentLength = 0;
/* mode-selector */
contentLength += 5;
int normalModeLength = 0;
normalModeLength += 6; /* responding-presentation-selector */
normalModeLength += 20; /* context-definition-result-list */
normalModeLength += encodeUserData(null, 0, payload, payloadLength, false, acseContextId);
contentLength += normalModeLength;
contentLength += IsoUtil.BerEncoder_determineLengthSize((uint)normalModeLength) + 1;
int bufPos = 0;
bufPos = IsoUtil.BerEncoder_encodeTL(0x31, (uint)contentLength, buffer, bufPos);
/* mode-selector */
bufPos = IsoUtil.BerEncoder_encodeTL(0xa0, 3, buffer, bufPos);
bufPos = IsoUtil.BerEncoder_encodeTL(0x80, 1, buffer, bufPos);
buffer[bufPos++] = 1; /* 1 = normal-mode */
/* normal-mode-parameters */
bufPos = IsoUtil.BerEncoder_encodeTL(0xa2, (uint)normalModeLength, buffer, bufPos);
/* responding-presentation-selector */
bufPos = IsoUtil.BerEncoder_encodeTL(0x83, 4, buffer, bufPos);
//memcpy(buffer + bufPos, calledPresentationSelector, 4);
def_calledPresentationSelector.CopyTo(buffer, bufPos);
bufPos += 4;
/* context-definition-result-list */
bufPos = IsoUtil.BerEncoder_encodeTL(0xa5, 18, buffer, bufPos);
bufPos = encodeAcceptBer(buffer, bufPos); /* accept for acse */
bufPos = encodeAcceptBer(buffer, bufPos); /* accept for mms */
/* encode user data */
bufPos = encodeUserData(buffer, bufPos, payload, payloadLength, true, acseContextId);
/*writeBuffer->partLength = bufPos;
* writeBuffer->length = bufPos + payload->length;
* writeBuffer->nextPart = payload;*/
Array.Copy(payload, 0, buffer, bufPos, payloadLength);
return(bufPos + payloadLength);
}
public int createAbortUserMessage(byte[] buffer, byte[] payload, int payloadLength)
{
int contentLength = 0;
contentLength = +encodeUserData(null, 0, payload, payloadLength, false, acseContextId);
contentLength += IsoUtil.BerEncoder_determineLengthSize((uint)contentLength) + 1;
int bufPos = 0;
bufPos = IsoUtil.BerEncoder_encodeTL(0xa0, (uint)contentLength, buffer, bufPos);
/* encode user data */
bufPos = encodeUserData(buffer, bufPos, payload, payloadLength, true, acseContextId);
/*writeBuffer->partLength = bufPos;
* writeBuffer->length = bufPos + payload->length;
* writeBuffer->nextPart = payload;*/
Array.Copy(payload, 0, buffer, bufPos, payloadLength);
return(bufPos + payloadLength);
}
public int createAssociateRequestMessage(IsoConnectionParameters isoParameters, byte[] buffer, int bufIndex, byte[] payload, int payloadLength)
{
int authValueLength;
int authValueStringLength = 0;
int passwordLength = 0;
int contentLength = 0;
/* application context name */
contentLength += 9;
int calledAEQualifierLength = 0;
if (isoParameters.remoteApTitleLen > 0)
{
/* called AP title */
contentLength += (4 + isoParameters.remoteApTitleLen);
calledAEQualifierLength = IsoUtil.BerEncoder_UInt32determineEncodedSize((uint)isoParameters.remoteAEQualifier);
/* called AP qualifier */
contentLength += (4 + calledAEQualifierLength);
// Добавки Несговорова
contentLength += 5;
contentLength += 5;
}
int callingAEQualifierLength = 0;
if (isoParameters.localApTitleLen > 0)
{
/* calling AP title */
contentLength += (4 + isoParameters.localApTitleLen);
callingAEQualifierLength = IsoUtil.BerEncoder_UInt32determineEncodedSize((uint)isoParameters.localAEQualifier);
/* calling AP qualifier */
contentLength += (4 + callingAEQualifierLength);
// Добавки Несговорова
contentLength += 5;
contentLength += 5;
}
if (isoParameters.acseAuthParameter != null)
{
/* sender ACSE requirements */
contentLength += 4;
/* mechanism name */
contentLength += 5;
/* authentication value */
if (isoParameters.acseAuthParameter.mechanism == AcseAuthenticationMechanism.ACSE_AUTH_PASSWORD)
{
contentLength += 2;
//if (authParameter.value.password.passwordLength == 0)
passwordLength = isoParameters.acseAuthParameter.passwordLength;
authValueStringLength = IsoUtil.BerEncoder_determineLengthSize((uint)passwordLength);
contentLength += passwordLength + authValueStringLength;
authValueLength = IsoUtil.BerEncoder_determineLengthSize((uint)(passwordLength + authValueStringLength + 1));
contentLength += authValueLength;
}
else
{
contentLength += 2;
}
}
/* user information */
int userInfoLength = 0;
/* single ASN1 type tag */
userInfoLength += payloadLength;
userInfoLength += 1;
userInfoLength += IsoUtil.BerEncoder_determineLengthSize((uint)payloadLength);
// Добавки Несговорова
userInfoLength += 2;
userInfoLength += 2;
/* indirect reference */
userInfoLength += 1;
userInfoLength += 2;
/* association data */
int assocDataLength = userInfoLength;
userInfoLength += IsoUtil.BerEncoder_determineLengthSize((uint)assocDataLength);
userInfoLength += 1;
/* user information */
int userInfoLen = userInfoLength;
userInfoLength += IsoUtil.BerEncoder_determineLengthSize((uint)userInfoLength);
userInfoLength += 1;
contentLength += userInfoLength;
int bufPos = 0;
bufPos = IsoUtil.BerEncoder_encodeTL(0x60, (uint)contentLength, buffer, bufPos);
/* application context name */
bufPos = IsoUtil.BerEncoder_encodeTL(0xa1, 7, buffer, bufPos);
bufPos = IsoUtil.BerEncoder_encodeTL(0x06, 5, buffer, bufPos);
//memcpy(buffer + bufPos, appContextNameMms, 5);
appContextNameMms.CopyTo(buffer, bufPos);
bufPos += 5;
if (isoParameters.remoteApTitleLen > 0)
{
/* called AP title */
bufPos = IsoUtil.BerEncoder_encodeTL(0xa2, (uint)isoParameters.remoteApTitleLen + 2, buffer, bufPos);
bufPos = IsoUtil.BerEncoder_encodeTL(0x06, (uint)isoParameters.remoteApTitleLen, buffer, bufPos);
//memcpy(buffer + bufPos, isoParameters.remoteApTitle, isoParameters.remoteApTitleLen);
isoParameters.remoteApTitle.CopyTo(buffer, bufPos);
bufPos += isoParameters.remoteApTitleLen;
/* called AE qualifier */
bufPos = IsoUtil.BerEncoder_encodeTL(0xa3, (uint)calledAEQualifierLength + 2, buffer, bufPos);
bufPos = IsoUtil.BerEncoder_encodeTL(0x02, (uint)calledAEQualifierLength, buffer, bufPos);
bufPos = IsoUtil.BerEncoder_encodeUInt32((uint)isoParameters.remoteAEQualifier, buffer, bufPos);
}
if (isoParameters.localApTitleLen > 0)
{
/* calling AP title */
bufPos = IsoUtil.BerEncoder_encodeTL(0xa6, (uint)isoParameters.localApTitleLen + 2, buffer, bufPos);
bufPos = IsoUtil.BerEncoder_encodeTL(0x06, (uint)isoParameters.localApTitleLen, buffer, bufPos);
//memcpy(buffer + bufPos, isoParameters.localApTitle, isoParameters.localApTitleLen);
isoParameters.localApTitle.CopyTo(buffer, bufPos);
bufPos += isoParameters.localApTitleLen;
/* calling AE qualifier */
bufPos = IsoUtil.BerEncoder_encodeTL(0xa7, (uint)callingAEQualifierLength + 2, buffer, bufPos);
bufPos = IsoUtil.BerEncoder_encodeTL(0x02, (uint)callingAEQualifierLength, buffer, bufPos);
bufPos = IsoUtil.BerEncoder_encodeUInt32((uint)isoParameters.localAEQualifier, buffer, bufPos);
// Добавки Несговорова
bufPos = IsoUtil.BerEncoder_encodeTL(0xa4, (uint)calledAEQualifierLength + 2, buffer, bufPos);
bufPos = IsoUtil.BerEncoder_encodeTL(0x02, (uint)calledAEQualifierLength, buffer, bufPos);
bufPos = IsoUtil.BerEncoder_encodeUInt32(0, buffer, bufPos);
bufPos = IsoUtil.BerEncoder_encodeTL(0xa5, (uint)calledAEQualifierLength + 2, buffer, bufPos);
bufPos = IsoUtil.BerEncoder_encodeTL(0x02, (uint)calledAEQualifierLength, buffer, bufPos);
bufPos = IsoUtil.BerEncoder_encodeUInt32(0, buffer, bufPos);
}
if (isoParameters.acseAuthParameter != null)
{
/* sender requirements */
bufPos = IsoUtil.BerEncoder_encodeTL(0x8a, 2, buffer, bufPos);
buffer[bufPos++] = 0x04;
if (isoParameters.acseAuthParameter.mechanism == AcseAuthenticationMechanism.ACSE_AUTH_PASSWORD)
{
buffer[bufPos++] = requirements_authentication[0];
bufPos = IsoUtil.BerEncoder_encodeTL(0x8b, 3, buffer, bufPos);
//memcpy(buffer + bufPos, auth_mech_password_oid, 3);
auth_mech_password_oid.CopyTo(buffer, bufPos);
bufPos += 3;
/* authentication value */
bufPos = IsoUtil.BerEncoder_encodeTL(0xac, (uint)(authValueStringLength + passwordLength + 1), buffer, bufPos);
bufPos = IsoUtil.BerEncoder_encodeTL(0x80, (uint)passwordLength, buffer, bufPos);
//memcpy(buffer + bufPos, authParameter.paswordOctetString, passwordLength);
isoParameters.acseAuthParameter.paswordOctetString.CopyTo(buffer, bufPos);
bufPos += passwordLength;
}
else
{ /* AUTH_NONE */
buffer[bufPos++] = 0;
}
}
/* user information */
bufPos = IsoUtil.BerEncoder_encodeTL(0xbe, (uint)userInfoLen, buffer, bufPos);
/* association data */
bufPos = IsoUtil.BerEncoder_encodeTL(0x28, (uint)assocDataLength, buffer, bufPos);
// Добавка Несговорова
bufPos = IsoUtil.BerEncoder_encodeTL(0x06, 2, buffer, bufPos);
buffer[bufPos++] = 0x51;
buffer[bufPos++] = 0x01;
/* indirect-reference */
bufPos = IsoUtil.BerEncoder_encodeTL(0x02, 1, buffer, bufPos);
buffer[bufPos++] = 3;
/* single ASN1 type */
bufPos = IsoUtil.BerEncoder_encodeTL(0xa0, (uint)payloadLength, buffer, bufPos);
/*writeBuffer.partLength = bufPos;
* writeBuffer.length = bufPos + payload.length;
* writeBuffer.nextPart = payload;*/
Array.Copy(payload, 0, buffer, bufPos, payloadLength);
return(bufPos + payloadLength);
}
public int createAssociateResponseMessage(byte acseResult, byte[] buffer, int bufIndex, byte[] payload, int payloadLength)
{
int appContextLength = 9;
int resultLength = 5;
int resultDiagnosticLength = 5;
int fixedContentLength = appContextLength + resultLength + resultDiagnosticLength;
int variableContentLength = 0;
int assocDataLength;
int userInfoLength;
int nextRefLength;
/* single ASN1 type tag */
variableContentLength += payloadLength;
variableContentLength += 1;
variableContentLength += IsoUtil.BerEncoder_determineLengthSize((uint)payloadLength);
/* indirect reference */
nextRefLength = IsoUtil.BerEncoder_UInt32determineEncodedSize((uint)nextReference);
variableContentLength += nextRefLength;
variableContentLength += 2;
/* association data */
assocDataLength = variableContentLength;
variableContentLength += IsoUtil.BerEncoder_determineLengthSize((uint)assocDataLength);
variableContentLength += 1;
/* user information */
userInfoLength = variableContentLength;
variableContentLength += IsoUtil.BerEncoder_determineLengthSize((uint)userInfoLength);
variableContentLength += 1;
variableContentLength += 2;
int contentLength = fixedContentLength + variableContentLength;
int bufPos = 0;
bufPos = IsoUtil.BerEncoder_encodeTL(0x61, (uint)contentLength, buffer, bufPos);
/* application context name */
bufPos = IsoUtil.BerEncoder_encodeTL(0xa1, 7, buffer, bufPos);
bufPos = IsoUtil.BerEncoder_encodeTL(0x06, 5, buffer, bufPos);
//memcpy(buffer + bufPos, appContextNameMms, 5);
appContextNameMms.CopyTo(buffer, bufPos);
bufPos += 5;
/* result */
bufPos = IsoUtil.BerEncoder_encodeTL(0xa2, 3, buffer, bufPos);
bufPos = IsoUtil.BerEncoder_encodeTL(0x02, 1, buffer, bufPos);
buffer[bufPos++] = acseResult;
/* result source diagnostics */
bufPos = IsoUtil.BerEncoder_encodeTL(0xa3, 5, buffer, bufPos);
bufPos = IsoUtil.BerEncoder_encodeTL(0xa1, 3, buffer, bufPos);
bufPos = IsoUtil.BerEncoder_encodeTL(0x02, 1, buffer, bufPos);
buffer[bufPos++] = 0;
/* user information */
bufPos = IsoUtil.BerEncoder_encodeTL(0xbe, (uint)userInfoLength, buffer, bufPos);
/* association data */
bufPos = IsoUtil.BerEncoder_encodeTL(0x28, (uint)assocDataLength, buffer, bufPos);
/* indirect-reference */
bufPos = IsoUtil.BerEncoder_encodeTL(0x02, (uint)nextRefLength, buffer, bufPos);
bufPos = IsoUtil.BerEncoder_encodeUInt32((uint)nextReference, buffer, bufPos);
/* single ASN1 type */
bufPos = IsoUtil.BerEncoder_encodeTL(0xa0, (uint)payloadLength, buffer, bufPos);
/*writeBuffer.partLength = bufPos;
* writeBuffer.length = bufPos + payloadLength;
* writeBuffer.nextPart = payload;*/
Array.Copy(payload, 0, buffer, bufPos, payloadLength);
return(bufPos + payloadLength);
}
int createConnectPdu(byte[] buffer, byte[] payload, int payloadLength)
{
int contentLength = 0;
/* mode-selector */
contentLength += 5;
int normalModeLength = 0;
/* called- and calling-presentation-selector */
normalModeLength += 12;
int pclLength = 35;
normalModeLength += pclLength;
normalModeLength += encodeUserData(null, 0, payload, payloadLength, false, acseContextId);
normalModeLength += 2;
contentLength += normalModeLength; // + 2;
contentLength += 1 + IsoUtil.BerEncoder_determineLengthSize((uint)normalModeLength);
int bufPos = 0;
bufPos = IsoUtil.BerEncoder_encodeTL(0x31, (uint)contentLength, buffer, bufPos);
/* mode-selector */
bufPos = IsoUtil.BerEncoder_encodeTL(0xa0, 3, buffer, bufPos);
bufPos = IsoUtil.BerEncoder_encodeTL(0x80, 1, buffer, bufPos);
buffer[bufPos++] = 1; /* 1 = normal-mode */
/* normal-mode-parameters */
bufPos = IsoUtil.BerEncoder_encodeTL(0xa2, (uint)normalModeLength, buffer, bufPos);
/* calling-presentation-selector */
bufPos = IsoUtil.BerEncoder_encodeTL(0x81, 4, buffer, bufPos);
buffer[bufPos++] = (byte)((callingPresentationSelector >> 24) & 0xff);
buffer[bufPos++] = (byte)((callingPresentationSelector >> 16) & 0xff);
buffer[bufPos++] = (byte)((callingPresentationSelector >> 8) & 0xff);
buffer[bufPos++] = (byte)(callingPresentationSelector & 0xff);
/* called-presentation-selector */
bufPos = IsoUtil.BerEncoder_encodeTL(0x82, 4, buffer, bufPos);
buffer[bufPos++] = (byte)((calledPresentationSelector >> 24) & 0xff);
buffer[bufPos++] = (byte)((calledPresentationSelector >> 16) & 0xff);
buffer[bufPos++] = (byte)((calledPresentationSelector >> 8) & 0xff);
buffer[bufPos++] = (byte)(calledPresentationSelector & 0xff);
/* presentation-context-id list */
bufPos = IsoUtil.BerEncoder_encodeTL(0xa4, 35, buffer, bufPos);
/* acse context list item */
bufPos = IsoUtil.BerEncoder_encodeTL(0x30, 15, buffer, bufPos);
bufPos = IsoUtil.BerEncoder_encodeTL(0x02, 1, buffer, bufPos);
buffer[bufPos++] = 1;
bufPos = IsoUtil.BerEncoder_encodeTL(0x06, 4, buffer, bufPos);
//memcpy(buffer + bufPos, asn_id_as_acse, 4);
asn_id_as_acse.CopyTo(buffer, bufPos);
bufPos += 4;
bufPos = IsoUtil.BerEncoder_encodeTL(0x30, 4, buffer, bufPos);
bufPos = IsoUtil.BerEncoder_encodeTL(0x06, 2, buffer, bufPos);
//memcpy(buffer + bufPos, ber_id, 2);
ber_id.CopyTo(buffer, bufPos);
bufPos += 2;
/* mms context list item */
bufPos = IsoUtil.BerEncoder_encodeTL(0x30, 16, buffer, bufPos);
bufPos = IsoUtil.BerEncoder_encodeTL(0x02, 1, buffer, bufPos);
buffer[bufPos++] = 3;
bufPos = IsoUtil.BerEncoder_encodeTL(0x06, 5, buffer, bufPos);
//memcpy(buffer + bufPos, asn_id_mms, 5);
asn_id_mms.CopyTo(buffer, bufPos);
bufPos += 5;
bufPos = IsoUtil.BerEncoder_encodeTL(0x30, 4, buffer, bufPos);
bufPos = IsoUtil.BerEncoder_encodeTL(0x06, 2, buffer, bufPos);
//memcpy(buffer + bufPos, ber_id, 2);
ber_id.CopyTo(buffer, bufPos);
bufPos += 2;
/* encode user data */
bufPos = encodeUserData(buffer, bufPos, payload, payloadLength, true, acseContextId);
Array.Copy(payload, 0, buffer, bufPos, payloadLength);
/*
* writeBuffer->partLength = bufPos;
* writeBuffer->length = bufPos + payload->length;
* writeBuffer->nextPart = payload;*/
return(bufPos + payloadLength);
}