diff options
Diffstat (limited to 'src/init.cpp')
| -rw-r--r-- | src/init.cpp | 133 |
1 files changed, 67 insertions, 66 deletions
diff --git a/src/init.cpp b/src/init.cpp index 14c0a36f5..93131b4f9 100644 --- a/src/init.cpp +++ b/src/init.cpp @@ -65,8 +65,6 @@ #include "zmq/zmqnotificationinterface.h" #endif -using namespace std; - bool fFeeEstimatesInitialized = false; static const bool DEFAULT_PROXYRANDOMIZE = true; static const bool DEFAULT_REST_ENABLE = false; @@ -120,10 +118,6 @@ static const char* FEE_ESTIMATES_FILENAME="fee_estimates.dat"; // threads that should only be stopped after the main network-processing // threads have exited. // -// Note that if running -daemon the parent process returns from AppInit2 -// before adding any threads to the threadGroup, so .join_all() returns -// immediately and the parent exits from main(). -// // Shutdown for Qt is very similar, only it uses a QTimer to detect // fRequestShutdown getting set, and then does the normal Qt // shutdown thing. @@ -190,7 +184,7 @@ void Shutdown() if (!lockShutdown) return; - /// Note: Shutdown() must be able to handle cases in which AppInit2() failed part of the way, + /// Note: Shutdown() must be able to handle cases in which initialization failed part of the way, /// for example if the data directory was found to be locked. /// Be sure that anything that writes files or flushes caches only does this if the respective /// module was initialized. @@ -310,10 +304,10 @@ void OnRPCStopped() void OnRPCPreCommand(const CRPCCommand& cmd) { // Observe safe mode - string strWarning = GetWarnings("rpc"); + std::string strWarning = GetWarnings("rpc"); if (strWarning != "" && !GetBoolArg("-disablesafemode", DEFAULT_DISABLE_SAFEMODE) && !cmd.okSafeMode) - throw JSONRPCError(RPC_FORBIDDEN_BY_SAFE_MODE, string("Safe mode: ") + strWarning); + throw JSONRPCError(RPC_FORBIDDEN_BY_SAFE_MODE, std::string("Safe mode: ") + strWarning); } std::string HelpMessage(HelpMessageMode mode) @@ -322,7 +316,7 @@ std::string HelpMessage(HelpMessageMode mode) // When adding new options to the categories, please keep and ensure alphabetical ordering. // Do not translate _(...) -help-debug options, Many technical terms, and only a very small audience, so is unnecessary stress to translators. - string strUsage = HelpMessageGroup(_("Options:")); + std::string strUsage = HelpMessageGroup(_("Options:")); strUsage += HelpMessageOpt("-?", _("Print this help message and exit")); strUsage += HelpMessageOpt("-version", _("Print version and exit")); strUsage += HelpMessageOpt("-alertnotify=<cmd>", _("Execute command when a relevant alert is received or we see a really long fork (%s in cmd is replaced by message)")); @@ -345,6 +339,7 @@ std::string HelpMessage(HelpMessageMode mode) strUsage += HelpMessageOpt("-maxorphantx=<n>", strprintf(_("Keep at most <n> unconnectable transactions in memory (default: %u)"), DEFAULT_MAX_ORPHAN_TRANSACTIONS)); strUsage += HelpMessageOpt("-maxmempool=<n>", strprintf(_("Keep the transaction memory pool below <n> megabytes (default: %u)"), DEFAULT_MAX_MEMPOOL_SIZE)); strUsage += HelpMessageOpt("-mempoolexpiry=<n>", strprintf(_("Do not keep transactions in the mempool longer than <n> hours (default: %u)"), DEFAULT_MEMPOOL_EXPIRY)); + strUsage += HelpMessageOpt("-blockreconstructionextratxn=<n>", strprintf(_("Extra transactions to keep in memory for compact block reconstructions (default: %u)"), DEFAULT_BLOCK_RECONSTRUCTION_EXTRA_TXN)); strUsage += HelpMessageOpt("-par=<n>", strprintf(_("Set the number of script verification threads (%u to %d, 0 = auto, <0 = leave that many cores free, default: %d)"), -GetNumCores(), MAX_SCRIPTCHECK_THREADS, DEFAULT_SCRIPTCHECK_THREADS)); #ifndef WIN32 @@ -435,7 +430,7 @@ std::string HelpMessage(HelpMessageMode mode) strUsage += HelpMessageOpt("-limitdescendantsize=<n>", strprintf("Do not accept transactions if any ancestor would have more than <n> kilobytes of in-mempool descendants (default: %u).", DEFAULT_DESCENDANT_SIZE_LIMIT)); strUsage += HelpMessageOpt("-bip9params=deployment:start:end", "Use given start/end times for specified BIP9 deployment (regtest-only)"); } - string debugCategories = "addrman, alert, bench, cmpctblock, coindb, db, http, libevent, lock, mempool, mempoolrej, net, proxy, prune, rand, reindex, rpc, selectcoins, tor, zmq"; // Don't translate these and qt below + std::string debugCategories = "addrman, alert, bench, cmpctblock, coindb, db, http, libevent, lock, mempool, mempoolrej, net, proxy, prune, rand, reindex, rpc, selectcoins, tor, zmq"; // Don't translate these and qt below if (mode == HMM_BITCOIN_QT) debugCategories += ", qt"; strUsage += HelpMessageOpt("-debug=<category>", strprintf(_("Output debugging information (default: %u, supplying <category> is optional)"), 0) + ". " + @@ -449,8 +444,6 @@ std::string HelpMessage(HelpMessageMode mode) { strUsage += HelpMessageOpt("-logtimemicros", strprintf("Add microsecond precision to debug timestamps (default: %u)", DEFAULT_LOGTIMEMICROS)); strUsage += HelpMessageOpt("-mocktime=<n>", "Replace actual time with <n> seconds since epoch (default: 0)"); - strUsage += HelpMessageOpt("-limitfreerelay=<n>", strprintf("Continuously rate-limit free transactions to <n>*1000 bytes per minute (default: %u)", DEFAULT_LIMITFREERELAY)); - strUsage += HelpMessageOpt("-relaypriority", strprintf("Require high priority for relaying free or low-fee transactions (default: %u)", DEFAULT_RELAYPRIORITY)); strUsage += HelpMessageOpt("-maxsigcachesize=<n>", strprintf("Limit size of signature cache to <n> MiB (default: %u)", DEFAULT_MAX_SIG_CACHE_SIZE)); strUsage += HelpMessageOpt("-maxtipage=<n>", strprintf("Maximum tip age in seconds to consider node in initial block download (default: %u)", DEFAULT_MAX_TIP_AGE)); } @@ -461,7 +454,7 @@ std::string HelpMessage(HelpMessageMode mode) strUsage += HelpMessageOpt("-printtoconsole", _("Send trace/debug info to console instead of debug.log file")); if (showDebug) { - strUsage += HelpMessageOpt("-printpriority", strprintf("Log transaction priority and fee per kB when mining blocks (default: %u)", DEFAULT_PRINTPRIORITY)); + strUsage += HelpMessageOpt("-printpriority", strprintf("Log transaction fee per kB when mining blocks (default: %u)", DEFAULT_PRINTPRIORITY)); } strUsage += HelpMessageOpt("-shrinkdebugfile", _("Shrink debug.log file on client startup (default: 1 when no -debug)")); @@ -481,7 +474,6 @@ std::string HelpMessage(HelpMessageMode mode) strUsage += HelpMessageGroup(_("Block creation options:")); strUsage += HelpMessageOpt("-blockmaxweight=<n>", strprintf(_("Set maximum BIP141 block weight (default: %d)"), DEFAULT_BLOCK_MAX_WEIGHT)); strUsage += HelpMessageOpt("-blockmaxsize=<n>", strprintf(_("Set maximum block size in bytes (default: %d)"), DEFAULT_BLOCK_MAX_SIZE)); - strUsage += HelpMessageOpt("-blockprioritysize=<n>", strprintf(_("Set maximum size of high-priority/low-fee transactions in bytes (default: %d)"), DEFAULT_BLOCK_PRIORITY_SIZE)); strUsage += HelpMessageOpt("-blockmintxfee=<amt>", strprintf(_("Set lowest fee rate (in %s/kB) for transactions to be included in block creation. (default: %s)"), CURRENCY_UNIT, FormatMoney(DEFAULT_BLOCK_MIN_TX_FEE))); if (showDebug) strUsage += HelpMessageOpt("-blockversion=<n>", "Override block version to test forking scenarios"); @@ -489,7 +481,7 @@ std::string HelpMessage(HelpMessageMode mode) strUsage += HelpMessageGroup(_("RPC server options:")); strUsage += HelpMessageOpt("-server", _("Accept command line and JSON-RPC commands")); strUsage += HelpMessageOpt("-rest", strprintf(_("Accept public REST requests (default: %u)"), DEFAULT_REST_ENABLE)); - strUsage += HelpMessageOpt("-rpcbind=<addr>", _("Bind to given address to listen for JSON-RPC connections. Use [host]:port notation for IPv6. This option can be specified multiple times (default: bind to all interfaces)")); + strUsage += HelpMessageOpt("-rpcbind=<addr>[:port]", _("Bind to given address to listen for JSON-RPC connections. This option is ignored unless -rpcallowip is also passed. Port is optional and overrides -rpcport. Use [host]:port notation for IPv6. This option can be specified multiple times (default: 127.0.0.1 and ::1 i.e., localhost, or if -rpcallowip has been specified, 0.0.0.0 and :: i.e., all addresses)")); strUsage += HelpMessageOpt("-rpccookiefile=<loc>", _("Location of the auth cookie (default: data dir)")); strUsage += HelpMessageOpt("-rpcuser=<user>", _("Username for JSON-RPC connections")); strUsage += HelpMessageOpt("-rpcpassword=<pw>", _("Password for JSON-RPC connections")); @@ -575,15 +567,14 @@ struct CImportingNow // works correctly. void CleanupBlockRevFiles() { - using namespace boost::filesystem; - map<string, path> mapBlockFiles; + std::map<std::string, boost::filesystem::path> mapBlockFiles; // Glob all blk?????.dat and rev?????.dat files from the blocks directory. // Remove the rev files immediately and insert the blk file paths into an // ordered map keyed by block file index. LogPrintf("Removing unusable blk?????.dat and rev?????.dat files for -reindex with -prune\n"); - path blocksdir = GetDataDir() / "blocks"; - for (directory_iterator it(blocksdir); it != directory_iterator(); it++) { + boost::filesystem::path blocksdir = GetDataDir() / "blocks"; + for (boost::filesystem::directory_iterator it(blocksdir); it != boost::filesystem::directory_iterator(); it++) { if (is_regular_file(*it) && it->path().filename().string().length() == 12 && it->path().filename().string().substr(8,4) == ".dat") @@ -600,7 +591,7 @@ void CleanupBlockRevFiles() // keeping a separate counter. Once we hit a gap (or if 0 doesn't exist) // start removing block files. int nContigCounter = 0; - BOOST_FOREACH(const PAIRTYPE(string, path)& item, mapBlockFiles) { + BOOST_FOREACH(const PAIRTYPE(std::string, boost::filesystem::path)& item, mapBlockFiles) { if (atoi(item.first) == nContigCounter) { nContigCounter++; continue; @@ -689,9 +680,15 @@ bool InitSanityCheck(void) InitError("Elliptic curve cryptography sanity check failure. Aborting."); return false; } + if (!glibc_sanity_test() || !glibcxx_sanity_test()) return false; + if (!Random_SanityCheck()) { + InitError("OS cryptographic RNG sanity check failure. Aborting."); + return false; + } + return true; } @@ -803,6 +800,19 @@ ServiceFlags nLocalServices = NODE_NETWORK; } +[[noreturn]] static void new_handler_terminate() +{ + // Rather than throwing std::bad-alloc if allocation fails, terminate + // immediately to (try to) avoid chain corruption. + // Since LogPrintf may itself allocate memory, set the handler directly + // to terminate first. + std::set_new_handler(std::terminate); + LogPrintf("Error: Out of memory. Terminating.\n"); + + // The log was successful, terminate now. + std::terminate(); +}; + bool AppInitBasicSetup() { // ********************************************************* Step 1: setup @@ -855,6 +865,9 @@ bool AppInitBasicSetup() // Ignore SIGPIPE, otherwise it will bring the daemon down if the client closes unexpectedly signal(SIGPIPE, SIG_IGN); #endif + + std::set_new_handler(new_handler_terminate); + return true; } @@ -893,8 +906,8 @@ bool AppInitParameterInteraction() fDebug = mapMultiArgs.count("-debug"); // Special-case: if -debug=0/-nodebug is set, turn off debugging messages if (fDebug) { - const vector<string>& categories = mapMultiArgs.at("-debug"); - if (GetBoolArg("-nodebug", false) || find(categories.begin(), categories.end(), string("0")) != categories.end()) + const std::vector<std::string>& categories = mapMultiArgs.at("-debug"); + if (GetBoolArg("-nodebug", false) || find(categories.begin(), categories.end(), std::string("0")) != categories.end()) fDebug = false; } @@ -936,7 +949,7 @@ bool AppInitParameterInteraction() int64_t nMempoolSizeMin = GetArg("-limitdescendantsize", DEFAULT_DESCENDANT_SIZE_LIMIT) * 1000 * 40; if (nMempoolSizeMax < 0 || nMempoolSizeMax < nMempoolSizeMin) return InitError(strprintf(_("-maxmempool must be at least %d MB"), std::ceil(nMempoolSizeMin / 1000000.0))); - // incremental relay fee sets the minimimum feerate increase necessary for BIP 125 replacement in the mempool + // incremental relay fee sets the minimum feerate increase necessary for BIP 125 replacement in the mempool // and the amount the mempool min fee increases above the feerate of txs evicted due to mempool limiting. if (IsArgSet("-incrementalrelayfee")) { @@ -982,17 +995,18 @@ bool AppInitParameterInteraction() if (nConnectTimeout <= 0) nConnectTimeout = DEFAULT_CONNECT_TIMEOUT; - // Fee-per-kilobyte amount considered the same as "free" + // Fee-per-kilobyte amount required for mempool acceptance and relay // If you are mining, be careful setting this: // if you set it to zero then // a transaction spammer can cheaply fill blocks using - // 1-satoshi-fee transactions. It should be set above the real + // 0-fee transactions. It should be set above the real // cost to you of processing a transaction. if (IsArgSet("-minrelaytxfee")) { CAmount n = 0; - if (!ParseMoney(GetArg("-minrelaytxfee", ""), n) || 0 == n) + if (!ParseMoney(GetArg("-minrelaytxfee", ""), n)) { return InitError(AmountErrMsg("minrelaytxfee", GetArg("-minrelaytxfee", ""))); + } // High fee check is done afterward in CWallet::ParameterInteraction() ::minRelayTxFee = CFeeRate(n); } else if (incrementalRelayFee > ::minRelayTxFee) { @@ -1062,7 +1076,7 @@ bool AppInitParameterInteraction() if (!chainparams.MineBlocksOnDemand()) { return InitError("BIP9 parameters may only be overridden on regtest."); } - const vector<string>& deployments = mapMultiArgs.at("-bip9params"); + const std::vector<std::string>& deployments = mapMultiArgs.at("-bip9params"); for (auto i : deployments) { std::vector<std::string> vDeploymentParams; boost::split(vDeploymentParams, i, boost::is_any_of(":")); @@ -1148,8 +1162,11 @@ bool AppInitMain(boost::thread_group& threadGroup, CScheduler& scheduler) #ifndef WIN32 CreatePidFile(GetPidFile(), getpid()); #endif - if (GetBoolArg("-shrinkdebugfile", !fDebug)) + if (GetBoolArg("-shrinkdebugfile", !fDebug)) { + // Do this first since it both loads a bunch of debug.log into memory, + // and because this needs to happen before any other debug.log printing ShrinkDebugFile(); + } if (fPrintToDebugLog) OpenDebugLog(); @@ -1207,9 +1224,9 @@ bool AppInitMain(boost::thread_group& threadGroup, CScheduler& scheduler) RegisterNodeSignals(GetNodeSignals()); // sanitize comments per BIP-0014, format user agent and check total size - std::vector<string> uacomments; + std::vector<std::string> uacomments; if (mapMultiArgs.count("-uacomment")) { - BOOST_FOREACH(string cmt, mapMultiArgs.at("-uacomment")) + BOOST_FOREACH(std::string cmt, mapMultiArgs.at("-uacomment")) { if (cmt != SanitizeString(cmt, SAFE_CHARS_UA_COMMENT)) return InitError(strprintf(_("User Agent comment (%s) contains unsafe characters."), cmt)); @@ -1247,16 +1264,23 @@ bool AppInitMain(boost::thread_group& threadGroup, CScheduler& scheduler) } } + // Check for host lookup allowed before parsing any network related parameters + fNameLookup = GetBoolArg("-dns", DEFAULT_NAME_LOOKUP); + bool proxyRandomize = GetBoolArg("-proxyrandomize", DEFAULT_PROXYRANDOMIZE); // -proxy sets a proxy for all outgoing network traffic // -noproxy (or -proxy=0) as well as the empty string can be used to not set a proxy, this is the default std::string proxyArg = GetArg("-proxy", ""); SetLimited(NET_TOR); if (proxyArg != "" && proxyArg != "0") { - CService resolved(LookupNumeric(proxyArg.c_str(), 9050)); - proxyType addrProxy = proxyType(resolved, proxyRandomize); + CService proxyAddr; + if (!Lookup(proxyArg.c_str(), proxyAddr, 9050, fNameLookup)) { + return InitError(strprintf(_("Invalid -proxy address or hostname: '%s'"), proxyArg)); + } + + proxyType addrProxy = proxyType(proxyAddr, proxyRandomize); if (!addrProxy.IsValid()) - return InitError(strprintf(_("Invalid -proxy address: '%s'"), proxyArg)); + return InitError(strprintf(_("Invalid -proxy address or hostname: '%s'"), proxyArg)); SetProxy(NET_IPV4, addrProxy); SetProxy(NET_IPV6, addrProxy); @@ -1273,10 +1297,13 @@ bool AppInitMain(boost::thread_group& threadGroup, CScheduler& scheduler) if (onionArg == "0") { // Handle -noonion/-onion=0 SetLimited(NET_TOR); // set onions as unreachable } else { - CService resolved(LookupNumeric(onionArg.c_str(), 9050)); - proxyType addrOnion = proxyType(resolved, proxyRandomize); + CService onionProxy; + if (!Lookup(onionArg.c_str(), onionProxy, 9050, fNameLookup)) { + return InitError(strprintf(_("Invalid -onion address or hostname: '%s'"), onionArg)); + } + proxyType addrOnion = proxyType(onionProxy, proxyRandomize); if (!addrOnion.IsValid()) - return InitError(strprintf(_("Invalid -onion address: '%s'"), onionArg)); + return InitError(strprintf(_("Invalid -onion address or hostname: '%s'"), onionArg)); SetProxy(NET_TOR, addrOnion); SetLimited(NET_TOR, false); } @@ -1285,7 +1312,6 @@ bool AppInitMain(boost::thread_group& threadGroup, CScheduler& scheduler) // see Step 2: parameter interactions for more information about these fListen = GetBoolArg("-listen", DEFAULT_LISTEN); fDiscover = GetBoolArg("-discover", true); - fNameLookup = GetBoolArg("-dns", DEFAULT_NAME_LOOKUP); fRelayTxes = !GetBoolArg("-blocksonly", DEFAULT_BLOCKSONLY); if (fListen) { @@ -1352,32 +1378,7 @@ bool AppInitMain(boost::thread_group& threadGroup, CScheduler& scheduler) fReindex = GetBoolArg("-reindex", false); bool fReindexChainState = GetBoolArg("-reindex-chainstate", false); - // Upgrading to 0.8; hard-link the old blknnnn.dat files into /blocks/ - boost::filesystem::path blocksDir = GetDataDir() / "blocks"; - if (!boost::filesystem::exists(blocksDir)) - { - boost::filesystem::create_directories(blocksDir); - bool linked = false; - for (unsigned int i = 1; i < 10000; i++) { - boost::filesystem::path source = GetDataDir() / strprintf("blk%04u.dat", i); - if (!boost::filesystem::exists(source)) break; - boost::filesystem::path dest = blocksDir / strprintf("blk%05u.dat", i-1); - try { - boost::filesystem::create_hard_link(source, dest); - LogPrintf("Hardlinked %s -> %s\n", source.string(), dest.string()); - linked = true; - } catch (const boost::filesystem::filesystem_error& e) { - // Note: hardlink creation failing is not a disaster, it just means - // blocks will get re-downloaded from peers. - LogPrintf("Error hardlinking blk%04u.dat: %s\n", i, e.what()); - break; - } - } - if (linked) - { - fReindex = true; - } - } + boost::filesystem::create_directories(GetDataDir() / "blocks"); // cache size calculations int64_t nTotalCache = (GetArg("-dbcache", nDefaultDbCache) << 20); @@ -1552,7 +1553,7 @@ bool AppInitMain(boost::thread_group& threadGroup, CScheduler& scheduler) } if (chainparams.GetConsensus().vDeployments[Consensus::DEPLOYMENT_SEGWIT].nTimeout != 0) { - // Only advertize witness capabilities if they have a reasonable start time. + // Only advertise witness capabilities if they have a reasonable start time. // This allows us to have the code merged without a defined softfork, by setting its // end time to 0. // Note that setting NODE_WITNESS is never required: the only downside from not @@ -1636,7 +1637,7 @@ bool AppInitMain(boost::thread_group& threadGroup, CScheduler& scheduler) #ifdef ENABLE_WALLET if (pwalletMain) - pwalletMain->postInitProcess(threadGroup); + pwalletMain->postInitProcess(scheduler); #endif return !fRequestShutdown; 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