Update copyrights to 2012 for files modified this year

[novacoin.git] / src / rpc.cpp

diff --git a/src/rpc.cpp b/src/rpc.cpp
index 4f43427..a67f7fc 100644 (file)
--- a/src/rpc.cpp
+++ b/src/rpc.cpp
@@ -1,5 +1,5 @@
 // Copyright (c) 2010 Satoshi Nakamoto
-// Copyright (c) 2011 The Bitcoin developers
+// 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.
 
@@ -1431,6 +1431,11 @@ Value encryptwallet(const Array& params, bool fHelp)
     if (pwalletMain->IsCrypted())
         throw JSONRPCError(-15, "Error: running with an encrypted wallet, but encryptwallet was called.");
 
+#ifdef GUI
+    // shutting down via RPC while the GUI is running does not work (yet):
+    throw runtime_error("Not Yet Implemented: use GUI to encrypt wallet, not RPC command");
+#endif
+
     string strWalletPass;
     strWalletPass.reserve(100);
     mlock(&strWalletPass[0], strWalletPass.capacity());
@@ -1450,7 +1455,11 @@ Value encryptwallet(const Array& params, bool fHelp)
     fill(strWalletPass.begin(), strWalletPass.end(), '\0');
     munlock(&strWalletPass[0], strWalletPass.capacity());
 
-    return Value::null;
+    // BDB seems to have a bad habit of writing old data into
+    // slack space in .dat files; that is bad if the old data is
+    // unencrypted private keys.  So:
+    CreateThread(Shutdown, NULL);
+    return "wallet encrypted; bitcoin server stopping, restart to run with encrypted wallet";
 }
 
 
@@ -1498,7 +1507,8 @@ Value getwork(const Array& params, bool fHelp)
     if (IsInitialBlockDownload())
         throw JSONRPCError(-10, "Bitcoin is downloading blocks...");
 
-    static map<uint256, pair<CBlock*, unsigned int> > mapNewBlock;
+    typedef map<uint256, pair<CBlock*, CScript> > mapNewBlock_t;
+    static mapNewBlock_t mapNewBlock;
     static vector<CBlock*> vNewBlock;
     static CReserveKey reservekey(pwalletMain);
 
@@ -1537,11 +1547,10 @@ Value getwork(const Array& params, bool fHelp)
 
         // Update nExtraNonce
         static unsigned int nExtraNonce = 0;
-        static int64 nPrevTime = 0;
-        IncrementExtraNonce(pblock, pindexPrev, nExtraNonce, nPrevTime);
+        IncrementExtraNonce(pblock, pindexPrev, nExtraNonce);
 
         // Save
-        mapNewBlock[pblock->hashMerkleRoot] = make_pair(pblock, nExtraNonce);
+        mapNewBlock[pblock->hashMerkleRoot] = make_pair(pblock, pblock->vtx[0].vin[0].scriptSig);
 
         // Prebuild hash buffers
         char pmidstate[32];
@@ -1574,11 +1583,10 @@ Value getwork(const Array& params, bool fHelp)
         if (!mapNewBlock.count(pdata->hashMerkleRoot))
             return false;
         CBlock* pblock = mapNewBlock[pdata->hashMerkleRoot].first;
-        unsigned int nExtraNonce = mapNewBlock[pdata->hashMerkleRoot].second;
 
         pblock->nTime = pdata->nTime;
         pblock->nNonce = pdata->nNonce;
-        pblock->vtx[0].vin[0].scriptSig = CScript() << pblock->nBits << CBigNum(nExtraNonce);
+        pblock->vtx[0].vin[0].scriptSig = mapNewBlock[pdata->hashMerkleRoot].second;
         pblock->hashMerkleRoot = pblock->BuildMerkleTree();
 
         return CheckWork(pblock, *pwalletMain, reservekey);
@@ -2000,16 +2008,23 @@ void ThreadRPCServer2(void* parg)
 
     if (mapArgs["-rpcuser"] == "" && mapArgs["-rpcpassword"] == "")
     {
+        unsigned char rand_pwd[32];
+        RAND_bytes(rand_pwd, 32);
         string strWhatAmI = "To use bitcoind";
         if (mapArgs.count("-server"))
             strWhatAmI = strprintf(_("To use the %s option"), "\"-server\"");
         else if (mapArgs.count("-daemon"))
             strWhatAmI = strprintf(_("To use the %s option"), "\"-daemon\"");
         PrintConsole(
-            _("Warning: %s, you must set rpcpassword=<password>\nin the configuration file: %s\n"
+            _("Warning: %s, you must set a rpcpassword in the configuration file:\n %s\n"
+              "It is recommended you use the following random password:\n"
+              "rpcuser=bitcoinrpc\n"
+              "rpcpassword=%s\n"
+              "(you do not need to remember this password)\n"
               "If the file does not exist, create it with owner-readable-only file permissions.\n"),
                 strWhatAmI.c_str(),
-                GetConfigFile().c_str());
+                GetConfigFile().c_str(),
+                EncodeBase58(&rand_pwd[0],&rand_pwd[0]+32).c_str());
         CreateThread(Shutdown, NULL);
         return;
     }
@@ -2096,12 +2111,14 @@ void ThreadRPCServer2(void* parg)
         }
         if (!HTTPAuthorized(mapHeaders))
         {
-            // Deter brute-forcing short passwords
-            if (mapArgs["-rpcpassword"].size() < 15)
-                Sleep(50);
+            printf("ThreadRPCServer incorrect password attempt from %s\n",peer.address().to_string().c_str());
+            /* Deter brute-forcing short passwords.
+               If this results in a DOS the user really
+               shouldn't have their RPC port exposed.*/
+            if (mapArgs["-rpcpassword"].size() < 20)
+                Sleep(250);
 
             stream << HTTPReply(401, "") << std::flush;
-            printf("ThreadRPCServer incorrect password attempt\n");
             continue;
         }