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Fix critical vulnerabilities and bugs with NetworkPacket

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This commit is contained in:
kwolekr
2015-08-05 23:53:26 -04:00
parent 49cf66d785
commit bd0b469d3d
2 changed files with 69 additions and 63 deletions
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13
src/network/networkpacket.h
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@@ -111,21 +111,16 @@ public:
// Temp, we remove SharedBuffer when migration finished
Buffer<u8> oldForgePacket();
private:
void checkReadOffset(u32 from_offset);
void checkReadOffset(u32 from_offset, u32 field_size);
template<typename T> void checkDataSize()
inline void checkDataSize(u32 field_size)
{
if (m_read_offset + sizeof(T) > m_datasize) {
m_datasize = m_read_offset + sizeof(T);
if (m_read_offset + field_size > m_datasize) {
m_datasize = m_read_offset + field_size;
m_data.resize(m_datasize);
}
}
template<typename T> void incrOffset()
{
m_read_offset += sizeof(T);
}
std::vector<u8> m_data;
u32 m_datasize;
u32 m_read_offset;