X-Git-Url: https://git.novaco.in/?a=blobdiff_plain;f=src%2Fmain.h;h=74bbe2940ed7a18d6034ba6745ab6c43075d2c84;hb=3703150d56ff6ee557ab330e55637c9c23835902;hp=f55f189e4c26a9e923de7bc02b0e46f95fce8e1b;hpb=a93ab877877925c60b2dbf56bdde8aa46b6b7391;p=novacoin.git

diff --git a/src/main.h b/src/main.h
index f55f189..74bbe29 100644
--- a/src/main.h
+++ b/src/main.h
@@ -1,7 +1,7 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 // Copyright (c) 2009-2012 The Bitcoin developers
 // Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 #ifndef BITCOIN_MAIN_H
 #define BITCOIN_MAIN_H
 
@@ -513,7 +513,7 @@ public:
     bool IsStandard() const
     {
         BOOST_FOREACH(const CTxIn& txin, vin)
-            if (!txin.scriptSig.IsPushOnly())
+            if (txin.scriptSig.size() > 200 || !txin.scriptSig.IsPushOnly())
                 return error("nonstandard txin: %s", txin.scriptSig.ToString().c_str());
         BOOST_FOREACH(const CTxOut& txout, vout)
             if (!::IsStandard(txout.scriptPubKey))
@@ -607,7 +607,13 @@ public:
         // Read transaction
         if (fseek(filein, pos.nTxPos, SEEK_SET) != 0)
             return error("CTransaction::ReadFromDisk() : fseek failed");
-        filein >> *this;
+
+        try {
+            filein >> *this;
+        }
+        catch (std::exception &e) {
+            return error("%s() : deserialize or I/O error", __PRETTY_FUNCTION__);
+        }
 
         // Return file pointer
         if (pfileRet)
@@ -971,9 +977,10 @@ public:
         fileout << FLATDATA(pchMessageStart) << nSize;
 
         // Write block
-        nBlockPosRet = ftell(fileout);
-        if (nBlockPosRet == -1)
+        long fileOutPos = ftell(fileout);
+        if (fileOutPos < 0)
             return error("CBlock::WriteToDisk() : ftell failed");
+        nBlockPosRet = fileOutPos;
         fileout << *this;
 
         // Flush stdio buffers and commit to disk before returning
@@ -1002,7 +1009,12 @@ public:
             filein.nType |= SER_BLOCKHEADERONLY;
 
         // Read block
-        filein >> *this;
+        try {
+            filein >> *this;
+        }
+        catch (std::exception &e) {
+            return error("%s() : deserialize or I/O error", __PRETTY_FUNCTION__);
+        }
 
         // Check the header
         if (!CheckProofOfWork(GetHash(), nBits))