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This commit is contained in:
MallocNull 2017-04-29 16:07:17 -05:00
parent bb8c0647ff
commit bfb2714863
1 changed files with 17 additions and 3 deletions
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20
server/Kneesocks/Frame.cs
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@ -25,7 +25,7 @@ namespace Kneesocks {
public byte[] MaskedContent {
get {
byte[] returnValue = new byte[Content.Length];
for(var i = 0; i < Content.Length; ++i)
for(long i = 0; i < Content.LongLength; ++i)
returnValue[i] = (byte)(Content[i] ^ Mask[i % 4]);
return returnValue;
}
@ -46,12 +46,26 @@ namespace Kneesocks {
Reserved = (byte)((raw[0] & 0x70) >> 4)
};
UInt64 frameLength = raw[1] & 0x7Ful;
ulong frameLength = raw[1] & 0x7Ful;
int lengthOffset =
frameLength < 126
? 1
: (frameLength == 126 ? 3 : 9);
if()
for(var i = lengthOffset - 1; i > 0; --i) {
var bytePos = lengthOffset - 1 - i;
frameLength &= 0xFFul << bytePos;
frameLength |= (ulong)raw[2 + i] << bytePos;
}
if(returnFrame.IsMasked) {
for(var i = 0; i < 4; ++i)
returnFrame.Mask[i] = raw[i + 1 + lengthOffset];
lengthOffset += 4;
}
if(raw.LongLength + lengthOffset + 1 < frameLength)
throw new FormatException("Raw frame length passed in is undersized ")
return returnFrame;
}