private int ensureSpace(int aiType, int aiReqSize)
{
int num = 0;
if (this.m_eDefaultMode == 0)
{
num = (aiReqSize + 4) + 4;
}
else if (this.m_eDefaultMode == 1)
{
int apuValue = 0;
byte[] apcBuffer = new byte[6];
int num3 = TLVUtil.DecodeVByte32(ref apuValue, apcBuffer, 0);
aiType = apuValue;
int num4 = TLVUtil.DecodeVByte32(ref apuValue, apcBuffer, 0);
num = (num3 + num4) + aiReqSize;
}
else
{
return(-8);
}
if ((this.m_pcBuf == null) || (this.m_iUsedSize <= 0))
{
num += this.m_ptHeader.getSize();
}
if ((num < 0) || ((num + this.m_iUsedSize) < 0))
{
return(-3);
}
if (num > (this.m_iAllocSize - this.m_iUsedSize))
{
int num5 = this.m_iAllocSize + 0x400;
while (num5 < (num + this.m_iUsedSize))
{
num5 *= 2;
}
if (num5 < 0)
{
num5 = num + this.m_iUsedSize;
}
byte[] dst = new byte[num5];
bool flag = false;
if ((this.m_pcBuf != null) || (this.m_iUsedSize > 0))
{
Buffer.BlockCopy(this.m_pcBuf, 0, dst, 0, this.m_iUsedSize);
}
else
{
flag = true;
}
this.m_iAllocSize = num5;
this.m_pcBuf = dst;
this.m_ptHeader.h_pcBuf = this.m_pcBuf;
if (flag)
{
this.clear();
}
}
return(0);
}
public bool isValidTLVPack(byte[] apcBuf, int aiUsedSize, int offset)
{
if (apcBuf != null)
{
if (aiUsedSize < this.m_ptHeader.getSize())
{
return(false);
}
TLVPackHeader header = new TLVPackHeader {
h_pcBuf = apcBuf,
offset = offset
};
if (header.getMagic() != 0x81)
{
return(false);
}
int aiSize = aiUsedSize - header.getSize();
if (header.getUsedSize() != aiSize)
{
return(false);
}
byte[] buffer = TLVUtil.getCheckSum(apcBuf, offset + header.getSize(), aiSize);
byte[] buffer2 = header.getCheckSum();
if ((buffer[0] != buffer2[0]) || (buffer[1] != buffer2[1]))
{
return(false);
}
if (aiSize == 0)
{
return(true);
}
FixedSizeTLVBody body = new FixedSizeTLVBody();
tVariableSizeTLVItem item = new tVariableSizeTLVItem();
TLVBody body2 = null;
if (header.getMode() == 0)
{
body2 = body;
}
else if (header.getMode() == 1)
{
body2 = item;
}
else
{
return(false);
}
if (body2.MapTo(apcBuf, offset + aiUsedSize, offset + header.getSize()))
{
while (body2.iNextOffset != 0)
{
if (!body2.MapTo(apcBuf, offset + aiUsedSize, body2.iNextOffset))
{
return(false);
}
}
return(true);
}
}
return(false);
}
public int addByteArray(int aiType, byte[] aoVal, int size)
{
if (0 > this.ensureSpace(aiType, size))
{
return(-2);
}
if (this.m_eDefaultMode == 0)
{
Buffer.BlockCopy(TLVUtil.int2byte(aiType, 4, true), 0, this.m_pcBuf, this.m_iUsedSize, 4);
this.m_iUsedSize += 4;
Buffer.BlockCopy(TLVUtil.int2byte(size, 4, true), 0, this.m_pcBuf, this.m_iUsedSize, 4);
this.m_iUsedSize += 4;
}
else if (this.m_eDefaultMode == 1)
{
int num = TLVUtil.EncodeVByte32(aiType, this.m_pcBuf, this.m_iUsedSize);
this.m_iUsedSize += num;
int num2 = TLVUtil.EncodeVByte32(size, this.m_pcBuf, this.m_iUsedSize);
this.m_iUsedSize += num2;
}
else
{
return(-8);
}
Buffer.BlockCopy(aoVal, 0, this.m_pcBuf, this.m_iUsedSize, size);
this.m_iUsedSize += size;
return(0);
}
public int Detach(ref byte[] appcBufFather, ref int apiUsedSizeFather, ref int apiAllocSizeFather)
{
if (((appcBufFather == null) && (apiUsedSizeFather == 0)) && (apiAllocSizeFather == 0))
{
this.m_pcBuf = null;
this.clear();
return(0);
}
if (appcBufFather == null)
{
return(-4);
}
appcBufFather = null;
apiUsedSizeFather = 0;
apiAllocSizeFather = 0;
appcBufFather = this.m_pcBuf;
apiUsedSizeFather = this.m_iUsedSize;
apiAllocSizeFather = this.m_iAllocSize;
byte[] x = TLVUtil.getCheckSum(this.m_pcBuf, this.m_ptHeader.getSize(), this.m_iUsedSize - this.m_ptHeader.getSize());
this.m_ptHeader.setCheckSum(x);
int num = this.m_iUsedSize - this.m_ptHeader.getSize();
this.m_ptHeader.setUsedSize(num);
this.m_pcBuf = null;
this.clear();
return(0);
}
public static void appendIntTobuf(byte[] dstBuf, ref int dstOffset, int srcInt)
{
byte[] apcBuffer = new byte[4];
int count = TLVUtil.EncodeVByte32(srcInt, apcBuffer, 0);
Buffer.BlockCopy(apcBuffer, 0, dstBuf, dstOffset, count);
dstOffset += count;
}
public static void getIntFrombuf(byte[] srcBuf, ref int srcOffset, ref int dstInt)
{
if (srcOffset < srcBuf.Length)
{
int num = TLVUtil.DecodeVByte32(ref dstInt, srcBuf, srcOffset);
srcOffset += num;
}
}
public int GetWord(int aiType, ref int apwVal)
{
byte[] apoVal = null;
int num = this.getByteArray(aiType, ref apoVal);
if (num < 0)
{
return(num);
}
apwVal = TLVUtil.byte2int(apoVal, 0, 4, this.m_eDefaultMode == 0);
return(0);
}
public int SizeNumber(int aiType, int aiSizeOfType, int eTLVMode)
{
if (eTLVMode == 0)
{
return(8 + aiSizeOfType);
}
if (eTLVMode == 1)
{
byte[] apcBuffer = new byte[6];
int num = TLVUtil.EncodeVByte32(aiType, apcBuffer, 0);
int num2 = TLVUtil.EncodeVByte32(aiSizeOfType, apcBuffer, 0);
return((num + num2) + aiSizeOfType);
}
return(0x7fffffff);
}
public int SizeType(int aiType, int eTLVMode)
{
if (eTLVMode == 0)
{
return(4);
}
if (eTLVMode != 1)
{
return(0x7fffffff);
}
if (aiType == 0)
{
return(0x7fffffff);
}
byte[] apcBuffer = new byte[6];
return(TLVUtil.EncodeVByte32(aiType, apcBuffer, 0));
}
public int SizeLength(int aiLen, int eTLVMode)
{
if (eTLVMode == 0)
{
return(4);
}
if (eTLVMode != 1)
{
return(0x7fffffff);
}
if (aiLen == -1)
{
return(0x7fffffff);
}
byte[] apcBuffer = new byte[6];
return(TLVUtil.EncodeVByte32(aiLen, apcBuffer, 0));
}
public int GetBool(int aiType, ref bool apbVal)
{
byte[] apoVal = null;
int num = this.getByteArray(aiType, ref apoVal);
if (num < 0)
{
return(num);
}
if (TLVUtil.byte2int(apoVal, 0, 4, this.m_eDefaultMode == 0) == 0)
{
apbVal = false;
}
else
{
apbVal = true;
}
return(0);
}
public static int mmpkg_mini_head_ntoh(byte[] packBuf, out MMPKG_mini_header header)
{
header = null;
if ((packBuf == null) || (packBuf.Length <= 2))
{
return(-1);
}
int offSet = 0;
header = new MMPKG_mini_header();
header.setHHeaderBits(packBuf);
if ((header.len == 0) || (packBuf.Length < header.len))
{
return(-4);
}
offSet += 2;
header.ret = TLVUtil.byte2int(packBuf, offSet, 4, true);
offSet += 4;
header.uin = (uint)TLVUtil.byte2int(packBuf, offSet, 4, true);
offSet += 4;
if (header.server_id_len > 0)
{
header.server_id = new byte[header.server_id_len];
Buffer.BlockCopy(packBuf, offSet, header.server_id, 0, header.server_id_len);
offSet += header.server_id_len;
}
int dstInt = 0;
getIntFrombuf(packBuf, ref offSet, ref dstInt);
header.cmd_id = (ushort)dstInt;
getIntFrombuf(packBuf, ref offSet, ref dstInt);
header.compress_len = (uint)dstInt;
getIntFrombuf(packBuf, ref offSet, ref dstInt);
header.compressed_len = (uint)dstInt;
getIntFrombuf(packBuf, ref offSet, ref dstInt);
header.cert_version = (ushort)dstInt;
dstInt = 0;
getIntFrombuf(packBuf, ref offSet, ref dstInt);
header.device_type = (ushort)dstInt;
return(0);
}
public static int mmpkg_mini_head_hton(MMPKG_mini_header header, out byte[] outbuff)
{
outbuff = null;
if (header == null)
{
return(-1);
}
int num = _mmpkg_validate(header);
if (num != 0)
{
return(num);
}
byte[] dst = new byte[header.getMaxSize()];
int dstOffset = 0;
byte[] src = header.getHeaderBits();
Buffer.BlockCopy(src, 0, dst, dstOffset, src.Length);
dstOffset += src.Length;
byte[] buffer3 = TLVUtil.int2byte(header.ret, 4, true);
Buffer.BlockCopy(buffer3, 0, dst, dstOffset, buffer3.Length);
dstOffset += buffer3.Length;
buffer3 = TLVUtil.int2byte((int)header.uin, 4, true);
Buffer.BlockCopy(buffer3, 0, dst, dstOffset, buffer3.Length);
dstOffset += buffer3.Length;
Buffer.BlockCopy(header.server_id, 0, dst, dstOffset, header.server_id.Length);
dstOffset += header.server_id.Length;
appendIntTobuf(dst, ref dstOffset, header.cmd_id);
appendIntTobuf(dst, ref dstOffset, (int)header.compress_len);
appendIntTobuf(dst, ref dstOffset, (int)header.compressed_len);
appendIntTobuf(dst, ref dstOffset, header.cert_version);
appendIntTobuf(dst, ref dstOffset, header.device_type);
int count = dstOffset;
outbuff = new byte[count];
Buffer.BlockCopy(dst, 0, outbuff, 0, count);
header.len = (byte)count;
Buffer.BlockCopy(header.getHeaderBits(), 0, outbuff, 0, 1);
return(0);
}
public int addNestedTLV(int aiType, TLVPack apoVal)
{
if (0 > this.ensureSpace(aiType, apoVal.m_iUsedSize))
{
return(-2);
}
int iUsedSize = this.m_iUsedSize;
if (this.m_eDefaultMode == 0)
{
Buffer.BlockCopy(TLVUtil.int2byte(aiType, 4, true), 0, this.m_pcBuf, this.m_iUsedSize, 4);
this.m_iUsedSize += 4;
Buffer.BlockCopy(TLVUtil.int2byte(apoVal.m_iUsedSize, 4, true), 0, this.m_pcBuf, this.m_iUsedSize, 4);
this.m_iUsedSize += 4;
}
else if (this.m_eDefaultMode == 1)
{
int num2 = TLVUtil.EncodeVByte32(aiType, this.m_pcBuf, this.m_iUsedSize);
this.m_iUsedSize += num2;
int num3 = TLVUtil.EncodeVByte32(apoVal.m_iUsedSize, this.m_pcBuf, this.m_iUsedSize);
this.m_iUsedSize += num3;
}
else
{
return(-8);
}
if (apoVal.m_iUsedSize > 0)
{
int apiSize = 0;
apiSize = this.m_iAllocSize - this.m_iUsedSize;
int num5 = apoVal.CopyTo(this.m_pcBuf, this.m_iUsedSize, ref apiSize);
if (num5 != 0)
{
this.m_iUsedSize = iUsedSize;
return(num5);
}
}
this.m_iUsedSize += apoVal.m_iUsedSize;
return(0);
}
public override bool MapTo(byte[] apcSrc, int aiSrcSize, int aiOffset)
{
if (((apcSrc == null) || (aiSrcSize <= 0)) || ((aiOffset < 0) || (aiOffset >= aiSrcSize)))
{
return(false);
}
int apuValue = 0;
int num2 = TLVUtil.DecodeVByte32(ref apuValue, apcSrc, aiOffset);
int num3 = apuValue;
int num4 = TLVUtil.DecodeVByte32(ref apuValue, apcSrc, aiOffset + num2);
int num5 = apuValue;
base.pcValPtrOffset = (aiOffset + num2) + num4;
int num6 = ((aiOffset + num2) + num4) + num5;
if (num5 < 0)
{
return(false);
}
if (base.pcValPtrOffset > aiSrcSize)
{
return(false);
}
if (num6 > aiSrcSize)
{
return(false);
}
if (num6 == aiSrcSize)
{
base.iNextOffset = 0;
}
else
{
base.iNextOffset = num6;
}
base.iType = num3;
base.iLength = num5;
base.pcValPtr = apcSrc;
return(true);
}
private void clear()
{
if (this.m_pcBuf == null)
{
this.m_iAllocSize = 0;
this.m_iUsedSize = 0;
this.m_ptHeader = null;
}
else if (this.m_iAllocSize < this.m_ptHeader.getSize())
{
this.m_ptHeader = null;
this.m_iUsedSize = 0;
}
else
{
TLVUtil.fillByteArray(this.m_pcBuf, 0);
this.m_iUsedSize = this.m_ptHeader.getSize();
this.m_ptHeader.h_pcBuf = this.m_pcBuf;
this.m_ptHeader.offset = 0;
this.m_ptHeader.setMagic(0x81).setCheckSum(new byte[2]).setUsedSize(0).setMode((byte)this.m_eDefaultMode);
}
}
public override bool MapTo(byte[] apcSrc, int aiSrcSize, int aiOffset)
{
if (((apcSrc == null) || (aiSrcSize <= 0)) || ((aiOffset < 0) || (aiOffset >= aiSrcSize)))
{
return(false);
}
int num = TLVUtil.byte2int(apcSrc, aiOffset, 4, true);
int num2 = TLVUtil.byte2int(apcSrc, aiOffset + 4, 4, true);
base.pcValPtr = apcSrc;
base.pcValPtrOffset = (aiOffset + 4) + 4;
int num3 = ((aiOffset + 4) + 4) + num2;
if (num2 < 0)
{
return(false);
}
if (base.pcValPtrOffset > aiSrcSize)
{
return(false);
}
if (num3 > aiSrcSize)
{
return(false);
}
if (num3 == aiSrcSize)
{
base.iNextOffset = 0;
}
else
{
base.iNextOffset = num3;
}
base.iType = num;
base.iLength = num2;
base.pcValPtr = apcSrc;
return(true);
}
public int CopyTo(byte[] apcBuf, int offset, ref int apiSize)
{
if ((apcBuf == null) || (apiSize == 0))
{
return(-4);
}
if (apiSize < this.m_iUsedSize)
{
apiSize = this.m_iUsedSize;
return(-7);
}
byte[] x = TLVUtil.getCheckSum(this.m_pcBuf, this.m_ptHeader.getSize(), this.m_iUsedSize - this.m_ptHeader.getSize());
this.m_ptHeader.setCheckSum(x);
int num2 = this.m_iUsedSize - this.m_ptHeader.getSize();
this.m_ptHeader.setUsedSize(num2);
if (this.m_iUsedSize > 0)
{
Buffer.BlockCopy(this.m_pcBuf, 0, apcBuf, offset, this.m_iUsedSize);
}
apiSize = this.m_iUsedSize;
return(0);
}
public int AddInt(int aiType, int aiVal)
{
return(this.addByteArray(aiType, TLVUtil.int2byte(aiVal, 4, this.m_eDefaultMode == 0), 4));
}