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-rw-r--r--src/alert.cpp266
1 files changed, 0 insertions, 266 deletions
diff --git a/src/alert.cpp b/src/alert.cpp
deleted file mode 100644
index eb1cd5e7f6..0000000000
--- a/src/alert.cpp
+++ /dev/null
@@ -1,266 +0,0 @@
-// Copyright (c) 2010 Satoshi Nakamoto
-// Copyright (c) 2009-2015 The Bitcoin Core developers
-// Distributed under the MIT software license, see the accompanying
-// file COPYING or http://www.opensource.org/licenses/mit-license.php.
-
-#include "alert.h"
-
-#include "clientversion.h"
-#include "net.h"
-#include "pubkey.h"
-#include "timedata.h"
-#include "ui_interface.h"
-#include "util.h"
-#include "utilstrencodings.h"
-
-#include <stdint.h>
-#include <algorithm>
-#include <map>
-
-#include <boost/algorithm/string/classification.hpp>
-#include <boost/algorithm/string/replace.hpp>
-#include <boost/foreach.hpp>
-#include <boost/thread.hpp>
-
-using namespace std;
-
-map<uint256, CAlert> mapAlerts;
-CCriticalSection cs_mapAlerts;
-
-void CUnsignedAlert::SetNull()
-{
- nVersion = 1;
- nRelayUntil = 0;
- nExpiration = 0;
- nID = 0;
- nCancel = 0;
- setCancel.clear();
- nMinVer = 0;
- nMaxVer = 0;
- setSubVer.clear();
- nPriority = 0;
-
- strComment.clear();
- strStatusBar.clear();
- strReserved.clear();
-}
-
-std::string CUnsignedAlert::ToString() const
-{
- std::string strSetCancel;
- BOOST_FOREACH(int n, setCancel)
- strSetCancel += strprintf("%d ", n);
- std::string strSetSubVer;
- BOOST_FOREACH(const std::string& str, setSubVer)
- strSetSubVer += "\"" + str + "\" ";
- return strprintf(
- "CAlert(\n"
- " nVersion = %d\n"
- " nRelayUntil = %d\n"
- " nExpiration = %d\n"
- " nID = %d\n"
- " nCancel = %d\n"
- " setCancel = %s\n"
- " nMinVer = %d\n"
- " nMaxVer = %d\n"
- " setSubVer = %s\n"
- " nPriority = %d\n"
- " strComment = \"%s\"\n"
- " strStatusBar = \"%s\"\n"
- ")\n",
- nVersion,
- nRelayUntil,
- nExpiration,
- nID,
- nCancel,
- strSetCancel,
- nMinVer,
- nMaxVer,
- strSetSubVer,
- nPriority,
- strComment,
- strStatusBar);
-}
-
-void CAlert::SetNull()
-{
- CUnsignedAlert::SetNull();
- vchMsg.clear();
- vchSig.clear();
-}
-
-bool CAlert::IsNull() const
-{
- return (nExpiration == 0);
-}
-
-uint256 CAlert::GetHash() const
-{
- return Hash(this->vchMsg.begin(), this->vchMsg.end());
-}
-
-bool CAlert::IsInEffect() const
-{
- return (GetAdjustedTime() < nExpiration);
-}
-
-bool CAlert::Cancels(const CAlert& alert) const
-{
- if (!IsInEffect())
- return false; // this was a no-op before 31403
- return (alert.nID <= nCancel || setCancel.count(alert.nID));
-}
-
-bool CAlert::AppliesTo(int nVersion, const std::string& strSubVerIn) const
-{
- // TODO: rework for client-version-embedded-in-strSubVer ?
- return (IsInEffect() &&
- nMinVer <= nVersion && nVersion <= nMaxVer &&
- (setSubVer.empty() || setSubVer.count(strSubVerIn)));
-}
-
-bool CAlert::AppliesToMe() const
-{
- return AppliesTo(PROTOCOL_VERSION, FormatSubVersion(CLIENT_NAME, CLIENT_VERSION, std::vector<std::string>()));
-}
-
-bool CAlert::RelayTo(CNode* pnode) const
-{
- if (!IsInEffect())
- return false;
- // don't relay to nodes which haven't sent their version message
- if (pnode->nVersion == 0)
- return false;
- // returns true if wasn't already contained in the set
- if (pnode->setKnown.insert(GetHash()).second)
- {
- if (AppliesTo(pnode->nVersion, pnode->strSubVer) ||
- AppliesToMe() ||
- GetAdjustedTime() < nRelayUntil)
- {
- pnode->PushMessage(NetMsgType::ALERT, *this);
- return true;
- }
- }
- return false;
-}
-
-bool CAlert::CheckSignature(const std::vector<unsigned char>& alertKey) const
-{
- CPubKey key(alertKey);
- if (!key.Verify(Hash(vchMsg.begin(), vchMsg.end()), vchSig))
- return error("CAlert::CheckSignature(): verify signature failed");
-
- // Now unserialize the data
- CDataStream sMsg(vchMsg, SER_NETWORK, PROTOCOL_VERSION);
- sMsg >> *(CUnsignedAlert*)this;
- return true;
-}
-
-CAlert CAlert::getAlertByHash(const uint256 &hash)
-{
- CAlert retval;
- {
- LOCK(cs_mapAlerts);
- map<uint256, CAlert>::iterator mi = mapAlerts.find(hash);
- if(mi != mapAlerts.end())
- retval = mi->second;
- }
- return retval;
-}
-
-bool CAlert::ProcessAlert(const std::vector<unsigned char>& alertKey, bool fThread)
-{
- if (!CheckSignature(alertKey))
- return false;
- if (!IsInEffect())
- return false;
-
- // alert.nID=max is reserved for if the alert key is
- // compromised. It must have a pre-defined message,
- // must never expire, must apply to all versions,
- // and must cancel all previous
- // alerts or it will be ignored (so an attacker can't
- // send an "everything is OK, don't panic" version that
- // cannot be overridden):
- int maxInt = std::numeric_limits<int>::max();
- if (nID == maxInt)
- {
- if (!(
- nExpiration == maxInt &&
- nCancel == (maxInt-1) &&
- nMinVer == 0 &&
- nMaxVer == maxInt &&
- setSubVer.empty() &&
- nPriority == maxInt &&
- strStatusBar == "URGENT: Alert key compromised, upgrade required"
- ))
- return false;
- }
-
- {
- LOCK(cs_mapAlerts);
- // Cancel previous alerts
- for (map<uint256, CAlert>::iterator mi = mapAlerts.begin(); mi != mapAlerts.end();)
- {
- const CAlert& alert = (*mi).second;
- if (Cancels(alert))
- {
- LogPrint("alert", "cancelling alert %d\n", alert.nID);
- uiInterface.NotifyAlertChanged((*mi).first, CT_DELETED);
- mapAlerts.erase(mi++);
- }
- else if (!alert.IsInEffect())
- {
- LogPrint("alert", "expiring alert %d\n", alert.nID);
- uiInterface.NotifyAlertChanged((*mi).first, CT_DELETED);
- mapAlerts.erase(mi++);
- }
- else
- mi++;
- }
-
- // Check if this alert has been cancelled
- BOOST_FOREACH(PAIRTYPE(const uint256, CAlert)& item, mapAlerts)
- {
- const CAlert& alert = item.second;
- if (alert.Cancels(*this))
- {
- LogPrint("alert", "alert already cancelled by %d\n", alert.nID);
- return false;
- }
- }
-
- // Add to mapAlerts
- mapAlerts.insert(make_pair(GetHash(), *this));
- // Notify UI and -alertnotify if it applies to me
- if(AppliesToMe())
- {
- uiInterface.NotifyAlertChanged(GetHash(), CT_NEW);
- Notify(strStatusBar, fThread);
- }
- }
-
- LogPrint("alert", "accepted alert %d, AppliesToMe()=%d\n", nID, AppliesToMe());
- return true;
-}
-
-void
-CAlert::Notify(const std::string& strMessage, bool fThread)
-{
- std::string strCmd = GetArg("-alertnotify", "");
- if (strCmd.empty()) return;
-
- // Alert text should be plain ascii coming from a trusted source, but to
- // be safe we first strip anything not in safeChars, then add single quotes around
- // the whole string before passing it to the shell:
- std::string singleQuote("'");
- std::string safeStatus = SanitizeString(strMessage);
- safeStatus = singleQuote+safeStatus+singleQuote;
- boost::replace_all(strCmd, "%s", safeStatus);
-
- if (fThread)
- boost::thread t(runCommand, strCmd); // thread runs free
- else
- runCommand(strCmd);
-}
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