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* DiscImageChef.DiscImages/GDI.cs:

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* DiscImageChef.DiscImages/CDRDAO.cs:
	* DiscImageChef.DiscImages/CDRWin.cs:
	  Prevent reading binary files.

	* DiscImageChef.Filters/MacBinary.cs:
	  Adds more sanity checks.
This commit is contained in:
Natalia Portillo
2016-09-17 21:23:01 +01:00
parent a7e64c86ae
commit dc31b282b6
6 changed files with 124 additions and 8 deletions
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13
DiscImageChef.DiscImages/GDI.cs
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@@ -133,8 +133,17 @@ namespace DiscImageChef.ImagePlugins
{
try
{
imageFilter.GetDataForkStream().Seek(0, SeekOrigin.Begin);
gdiStream = new StreamReader(imageFilter.GetDataForkStream());
imageFilter.GetDataForkStream().Seek(0, SeekOrigin.Begin);
byte[] testArray = new byte[512];
imageFilter.GetDataForkStream().Read(testArray, 0, 512);
imageFilter.GetDataForkStream().Seek(0, SeekOrigin.Begin);
// Check for unexpected control characters that shouldn't be present in a text file and can crash this plugin
foreach(byte b in testArray)
{
if(b < 0x20 && b != 0x0A && b != 0x0D)
return false;
}
gdiStream = new StreamReader(imageFilter.GetDataForkStream());
int line = 0;
int tracksFound = 0;
int tracks = 0;