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BufferOverflow fix + HTTP Header size max #10

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BufferOverflow fix + HTTP Header size max #10

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2 changes: 2 additions & 0 deletions Source/Core/NptHttp.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -180,6 +180,8 @@ NPT_HttpHeaders::Parse(NPT_BufferedInputStream& stream)
break;
}
if (header_pending && (line[0] == ' ' || line[0] == '\t')) {
// limit size of multiline header
if (header_value.GetLength() >= NPT_HTTP_PROTOCOL_MAX_LINE_LENGTH) continue;
// continuation (folded header)
header_value.Append(line.GetChars()+1, line.GetLength()-1);
} else {
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3 changes: 3 additions & 0 deletions Source/Core/NptStrings.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -377,6 +377,9 @@ NPT_String::Append(const char* str, NPT_Size length)
NPT_Size old_length = GetLength();
NPT_Size new_length = old_length + length;

// avoid Buffer Overflow
if(new_length < old_length) return;

// allocate enough space
Reserve(new_length);

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