Bump version numbers for 0.8.3 release

Fixes a memory exhaustion attack on low-memory peers.

bitcoin-qt.pro

@@ -1,7 +1,7 @@
 TEMPLATE = app
 TARGET = bitcoin-qt
 macx:TARGET = "Bitcoin-Qt"
-VERSION = 0.8.2
+VERSION = 0.8.3
 INCLUDEPATH += src src/json src/qt
 QT += network
 DEFINES += QT_GUI BOOST_THREAD_USE_LIB BOOST_SPIRIT_THREADSAFE

contrib/verifysfbinaries/verify.sh

@@ -18,7 +18,7 @@ WORKINGDIR="/tmp/bitcoin"
 TMPFILE="hashes.tmp"
 
 #this URL is used if a version number is not specified as an argument to the script
-SIGNATUREFILE="http://downloads.sourceforge.net/project/bitcoin/Bitcoin/bitcoin-0.8.2/SHA256SUMS.asc"
+SIGNATUREFILE="http://downloads.sourceforge.net/project/bitcoin/Bitcoin/bitcoin-0.8.3/SHA256SUMS.asc"
 
 SIGNATUREFILENAME="SHA256SUMS.asc"
 RCSUBDIR="test/"

doc/README.md

@@ -1,4 +1,4 @@
-Bitcoin 0.8.2 BETA
+Bitcoin 0.8.3 BETA
 ====================
 
 Copyright (c) 2009-2013 Bitcoin Developers
@@ -43,4 +43,4 @@ Other Pages
 - [Release Notes](release-notes.md)
 - [Multiwallet Qt Development](multiwallet-qt.md)
 - [Unit Tests](unit-tests.md)
-- [Translation Process](translation_process.md)
+- [Translation Process](translation_process.md)

doc/README_windows.txt

@@ -1,4 +1,4 @@
-Bitcoin 0.8.2 BETA
+Bitcoin 0.8.3 BETA
 
 Copyright (c) 2009-2013 Bitcoin Developers
 Distributed under the MIT/X11 software license, see the accompanying

doc/release-notes.md

@@ -1,6 +1,17 @@
 (note: this is a temporary file, to be added-to by anybody, and deleted at
 release time)
 
+0.8.3 changes
+=============
+
+Fix a memory exhaustion attack that could crash low-memory nodes.
+
+Fix a regression that caused excessive writing of the peers.dat file.
+
+
+0.8.2 changes
+=============
+
 Fee Policy changes
 ------------------
 

share/setup.nsi

@@ -5,7 +5,7 @@ SetCompressor /SOLID lzma
 
 # General Symbol Definitions
 !define REGKEY "SOFTWARE\$(^Name)"
-!define VERSION 0.8.2
+!define VERSION 0.8.3
 !define COMPANY "Bitcoin project"
 !define URL http://www.bitcoin.org/
 
@@ -45,13 +45,13 @@ Var StartMenuGroup
 !insertmacro MUI_LANGUAGE English
 
 # Installer attributes
-OutFile bitcoin-0.8.2-win32-setup.exe
+OutFile bitcoin-0.8.3-win32-setup.exe
 InstallDir $PROGRAMFILES\Bitcoin
 CRCCheck on
 XPStyle on
 BrandingText " "
 ShowInstDetails show
-VIProductVersion 0.8.2.2
+VIProductVersion 0.8.3.0
 VIAddVersionKey ProductName Bitcoin
 VIAddVersionKey ProductVersion "${VERSION}"
 VIAddVersionKey CompanyName "${COMPANY}"

src/clientversion.h

@@ -8,8 +8,8 @@
 // These need to be macros, as version.cpp's and bitcoin-qt.rc's voodoo requires it
 #define CLIENT_VERSION_MAJOR       0
 #define CLIENT_VERSION_MINOR       8
-#define CLIENT_VERSION_REVISION    2
-#define CLIENT_VERSION_BUILD       2
+#define CLIENT_VERSION_REVISION    3
+#define CLIENT_VERSION_BUILD       0
 
 // Set to true for release, false for prerelease or test build
 #define CLIENT_VERSION_IS_RELEASE  true

src/main.cpp

@@ -3508,6 +3508,16 @@ bool static ProcessMessage(CNode* pfrom, string strCommand, CDataStream& vRecv)
         CInv inv(MSG_TX, tx.GetHash());
         pfrom->AddInventoryKnown(inv);
 
+        // Truncate messages to the size of the tx in them
+        unsigned int nSize = ::GetSerializeSize(tx, SER_NETWORK, PROTOCOL_VERSION);
+        unsigned int oldSize = vMsg.size();
+        if (nSize < oldSize) {
+            vMsg.resize(nSize);
+            printf("truncating oversized TX %s (%u -> %u)\n",
+                   tx.GetHash().ToString().c_str(),
+                   oldSize, nSize);
+        }
+
         bool fMissingInputs = false;
         CValidationState state;
         if (tx.AcceptToMemoryPool(state, true, true, &fMissingInputs))

src/net.cpp

@@ -21,6 +21,9 @@
 #include <miniupnpc/upnperrors.h>
 #endif
 
+// Dump addresses to peers.dat every 15 minutes (900s)
+#define DUMP_ADDRESSES_INTERVAL 900
+
 using namespace std;
 using namespace boost;
 
@@ -1855,7 +1858,7 @@ void StartNode(boost::thread_group& threadGroup)
     threadGroup.create_thread(boost::bind(&TraceThread<void (*)()>, "msghand", &ThreadMessageHandler));
 
     // Dump network addresses
-    threadGroup.create_thread(boost::bind(&LoopForever<void (*)()>, "dumpaddr", &DumpAddresses, 10000));
+    threadGroup.create_thread(boost::bind(&LoopForever<void (*)()>, "dumpaddr", &DumpAddresses, DUMP_ADDRESSES_INTERVAL * 1000));
 }
 
 bool StopNode()

src/util.h

@@ -531,7 +531,7 @@ inline uint32_t ByteReverse(uint32_t value)
 // Standard wrapper for do-something-forever thread functions.
 // "Forever" really means until the thread is interrupted.
 // Use it like:
-//   new boost::thread(boost::bind(&LoopForever<void (*)()>, "dumpaddr", &DumpAddresses, 10000));
+//   new boost::thread(boost::bind(&LoopForever<void (*)()>, "dumpaddr", &DumpAddresses, 900000));
 // or maybe:
 //    boost::function<void()> f = boost::bind(&FunctionWithArg, argument);
 //    threadGroup.create_thread(boost::bind(&LoopForever<boost::function<void()> >, "nothing", f, milliseconds));
@@ -544,8 +544,8 @@ template <typename Callable> void LoopForever(const char* name,  Callable func,
     {
         while (1)
         {
-            func();
             MilliSleep(msecs);
+            func();
         }
     }
     catch (boost::thread_interrupted)