reemo/sockscape
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

a

Browse source 
a
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
Show stats Download patch file Download diff file Expand all files Collapse all files

20
server/Kneesocks/Frame.cs
View file

@ -25,7 +25,7 @@ namespace Kneesocks {
public byte[] MaskedContent { public byte[] MaskedContent {
get { get {
byte[] returnValue = new byte[Content.Length]; 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]); returnValue[i] = (byte)(Content[i] ^ Mask[i % 4]);
return returnValue; return returnValue;
} }
@ -46,12 +46,26 @@ namespace Kneesocks {
Reserved = (byte)((raw[0] & 0x70) >> 4) Reserved = (byte)((raw[0] & 0x70) >> 4)
}; };
UInt64 frameLength = raw[1] & 0x7Ful; ulong frameLength = raw[1] & 0x7Ful;
int lengthOffset = int lengthOffset =
frameLength < 126 frameLength < 126
? 1 ? 1
: (frameLength == 126 ? 3 : 9); : (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; return returnFrame;
} }