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Replace 520 constant with MAX_SCRIPT_ELEMENT_SIZE

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This commit is contained in:
Matt Corallo 2013-01-18 13:55:18 -05:00
parent 28b80e6065
commit 192cc910ec
3 changed files with 5 additions and 3 deletions
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2
src/main.cpp
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@ -3588,7 +3588,7 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv)
// Nodes must NEVER send a data item > 520 bytes (the max size for a script data object, // Nodes must NEVER send a data item > 520 bytes (the max size for a script data object,
// and thus, the maximum size any matched object can have) in a filteradd message // and thus, the maximum size any matched object can have) in a filteradd message
if (vData.size() > 520) if (vData.size() > MAX_SCRIPT_ELEMENT_SIZE)
{ {
pfrom->Misbehaving(100); pfrom->Misbehaving(100);
} else { } else {

4
src/script.cpp
View File

@ -340,7 +340,7 @@ bool EvalScript(vector<vector<unsigned char> >& stack, const CScript& script, co
// //
if (!script.GetOp(pc, opcode, vchPushValue)) if (!script.GetOp(pc, opcode, vchPushValue))
return false; return false;
if (vchPushValue.size() > 520) if (vchPushValue.size() > MAX_SCRIPT_ELEMENT_SIZE)
return false; return false;
if (opcode > OP_16 && ++nOpCount > 201) if (opcode > OP_16 && ++nOpCount > 201)
return false; return false;
@ -670,7 +670,7 @@ bool EvalScript(vector<vector<unsigned char> >& stack, const CScript& script, co
valtype& vch2 = stacktop(-1); valtype& vch2 = stacktop(-1);
vch1.insert(vch1.end(), vch2.begin(), vch2.end()); vch1.insert(vch1.end(), vch2.begin(), vch2.end());
popstack(stack); popstack(stack);
if (stacktop(-1).size() > 520) if (stacktop(-1).size() > MAX_SCRIPT_ELEMENT_SIZE)
return false; return false;
} }
break; break;

2
src/script.h
View File

@ -17,6 +17,8 @@
class CCoins; class CCoins;
class CTransaction; class CTransaction;
static const unsigned int MAX_SCRIPT_ELEMENT_SIZE = 520; // bytes
/** Signature hash types/flags */ /** Signature hash types/flags */
enum enum
{ {