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Improve security posture by eliminating non-const data() accessor from Buffer.

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This commit is contained in:
Adam Ierymenko 2014-10-02 10:06:29 -07:00
parent e8c5495b61
commit e53d208ea4
5 changed files with 85 additions and 60 deletions
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4
node/Packet.hpp
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@ -383,13 +383,13 @@ public:
setSize(fragLen + ZT_PROTO_MIN_FRAGMENT_LENGTH);
// NOTE: this copies both the IV/packet ID and the destination address.
memcpy(field(ZT_PACKET_FRAGMENT_IDX_PACKET_ID,13),p.data() + ZT_PACKET_IDX_IV,13);
memcpy(field(ZT_PACKET_FRAGMENT_IDX_PACKET_ID,13),field(ZT_PACKET_IDX_IV,13),13);
(*this)[ZT_PACKET_FRAGMENT_IDX_FRAGMENT_INDICATOR] = ZT_PACKET_FRAGMENT_INDICATOR;
(*this)[ZT_PACKET_FRAGMENT_IDX_FRAGMENT_NO] = (char)(((fragTotal & 0xf) << 4) | (fragNo & 0xf));
(*this)[ZT_PACKET_FRAGMENT_IDX_HOPS] = 0;
memcpy(field(ZT_PACKET_FRAGMENT_IDX_PAYLOAD,fragLen),p.data() + fragStart,fragLen);
memcpy(field(ZT_PACKET_FRAGMENT_IDX_PAYLOAD,fragLen),field(fragStart,fragLen),fragLen);
}
/**