Fix dir describer when an offer is added to a directory.

Check all amounts for orders, fees, and payments to make sure they're network legal.

src/cpp/ripple/OfferCreateTransactor.cpp

@@ -367,6 +367,9 @@ TER OfferCreateTransactor::doApply()
 	STAmount				saTakerPays			= mTxn.getFieldAmount(sfTakerPays);
 	STAmount				saTakerGets			= mTxn.getFieldAmount(sfTakerGets);
 
+	if (!saTakerPays.isLegalNet() || !saTakerGets.isLegalNet())
+		return temBAD_AMOUNT;
+
 	WriteLog (lsTRACE, OfferCreateTransactor) << boost::str(boost::format("OfferCreate: saTakerPays=%s saTakerGets=%s")
 		% saTakerPays.getFullText()
 		% saTakerGets.getFullText());
@@ -587,8 +590,7 @@ TER OfferCreateTransactor::doApply()
 
 		// Add offer to owner's directory.
 		terResult	= lesActive.dirAdd(uOwnerNode, Ledger::getOwnerDirIndex(mTxnAccountID), uLedgerIndex,
-			BIND_TYPE(&Ledger::qualityDirDescriber, P_1, saTakerPays.getCurrency(), uPaysIssuerID,
-				saTakerGets.getCurrency(), uGetsIssuerID, uRate));
+			BIND_TYPE(&Ledger::ownerDirDescriber, P_1, mTxnAccountID));
 
 
 		if (tesSUCCESS == terResult)

src/cpp/ripple/PaymentTransactor.cpp

@@ -27,6 +27,9 @@ TER PaymentTransactor::doApply()
 		% saMaxAmount.getFullText()
 		% saDstAmount.getFullText());
 
+	if (!saDstAmount.isLegalNet() || !saMaxAmount.isLegalNet())
+		return temBAD_AMOUNT;
+
 	if (uTxFlags & tfPaymentMask)
 	{
 		WriteLog (lsINFO, PaymentTransactor) << "Payment: Malformed transaction: Invalid flags set.";

src/cpp/ripple/Transactor.cpp

@@ -48,6 +48,8 @@ uint64 Transactor::calculateBaseFee()
 TER Transactor::payFee()
 {
 	STAmount saPaid = mTxn.getTransactionFee();
+	if (!saPaid.isLegalNet())
+		return temBAD_AMOUNT;
 
 	// Only check fee is sufficient when the ledger is open.
 	if (isSetBit(mParams, tapOPEN_LEDGER) && saPaid < mFeeDue)

src/cpp/ripple/TrustSetTransactor.cpp

@@ -16,6 +16,9 @@ TER TrustSetTransactor::doApply()
 	uint32				uQualityIn		= bQualityIn ? mTxn.getFieldU32(sfQualityIn) : 0;
 	uint32				uQualityOut		= bQualityOut ? mTxn.getFieldU32(sfQualityOut) : 0;
 
+	if (!saLimitAmount.isLegalNet())
+		return temBAD_AMOUNT;
+
 	if (bQualityIn && QUALITY_ONE == uQualityIn)
 		uQualityIn	= 0;