diff options
author | Cory Fields <cory-nospam-@coryfields.com> | 2017-10-05 16:40:43 -0400 |
---|---|---|
committer | Carl Dong <accounts@carldong.me> | 2019-01-16 13:54:18 -0500 |
commit | af3503d903b1a608cd212e2d74b274103199078c (patch) | |
tree | 14c60eea45f0f1ed6ccde5241be58922102524ec /src/net.cpp | |
parent | d0469b2e9386a7a4b268cb9725347e7517acace6 (diff) |
net: move BanMan to its own files
Diffstat (limited to 'src/net.cpp')
-rw-r--r-- | src/net.cpp | 190 |
1 files changed, 1 insertions, 189 deletions
diff --git a/src/net.cpp b/src/net.cpp index f6491bc8db..0490ccd6db 100644 --- a/src/net.cpp +++ b/src/net.cpp @@ -9,6 +9,7 @@ #include <net.h> +#include <banman.h> #include <chainparams.h> #include <clientversion.h> #include <consensus/consensus.h> @@ -457,25 +458,6 @@ CNode* CConnman::ConnectNode(CAddress addrConnect, const char *pszDest, bool fCo return pnode; } -void BanMan::DumpBanlist() -{ - SweepBanned(); // clean unused entries (if bantime has expired) - - if (!BannedSetIsDirty()) - return; - - int64_t nStart = GetTimeMillis(); - - banmap_t banmap; - GetBanned(banmap); - if (m_ban_db.Write(banmap)) { - SetBannedSetDirty(false); - } - - LogPrint(BCLog::NET, "Flushed %d banned node ips/subnets to banlist.dat %dms\n", - banmap.size(), GetTimeMillis() - nStart); -} - void CNode::CloseSocketDisconnect() { fDisconnect = true; @@ -487,150 +469,6 @@ void CNode::CloseSocketDisconnect() } } -void BanMan::ClearBanned() -{ - { - LOCK(cs_setBanned); - setBanned.clear(); - setBannedIsDirty = true; - } - DumpBanlist(); //store banlist to disk - if(clientInterface) - clientInterface->BannedListChanged(); -} - -bool BanMan::IsBanned(CNetAddr ip) -{ - LOCK(cs_setBanned); - for (const auto& it : setBanned) { - CSubNet subNet = it.first; - CBanEntry banEntry = it.second; - - if (subNet.Match(ip) && GetTime() < banEntry.nBanUntil) { - return true; - } - } - return false; -} - -bool BanMan::IsBanned(CSubNet subnet) -{ - LOCK(cs_setBanned); - banmap_t::iterator i = setBanned.find(subnet); - if (i != setBanned.end()) - { - CBanEntry banEntry = (*i).second; - if (GetTime() < banEntry.nBanUntil) { - return true; - } - } - return false; -} - -void BanMan::Ban(const CNetAddr& addr, const BanReason &banReason, int64_t bantimeoffset, bool sinceUnixEpoch) { - CSubNet subNet(addr); - Ban(subNet, banReason, bantimeoffset, sinceUnixEpoch); -} - -void BanMan::Ban(const CSubNet& subNet, const BanReason &banReason, int64_t bantimeoffset, bool sinceUnixEpoch) { - CBanEntry banEntry(GetTime()); - banEntry.banReason = banReason; - if (bantimeoffset <= 0) - { - bantimeoffset = m_default_ban_time; - sinceUnixEpoch = false; - } - banEntry.nBanUntil = (sinceUnixEpoch ? 0 : GetTime() )+bantimeoffset; - - { - LOCK(cs_setBanned); - if (setBanned[subNet].nBanUntil < banEntry.nBanUntil) { - setBanned[subNet] = banEntry; - setBannedIsDirty = true; - } - else - return; - } - if(clientInterface) - clientInterface->BannedListChanged(); - if(banReason == BanReasonManuallyAdded) - DumpBanlist(); //store banlist to disk immediately if user requested ban -} - -bool BanMan::Unban(const CNetAddr &addr) { - CSubNet subNet(addr); - return Unban(subNet); -} - -bool BanMan::Unban(const CSubNet &subNet) { - { - LOCK(cs_setBanned); - if (!setBanned.erase(subNet)) - return false; - setBannedIsDirty = true; - } - if(clientInterface) - clientInterface->BannedListChanged(); - DumpBanlist(); //store banlist to disk immediately - return true; -} - -void BanMan::GetBanned(banmap_t &banMap) -{ - LOCK(cs_setBanned); - // Sweep the banlist so expired bans are not returned - SweepBanned(); - banMap = setBanned; //create a thread safe copy -} - -void BanMan::SetBanned(const banmap_t &banMap) -{ - LOCK(cs_setBanned); - setBanned = banMap; - setBannedIsDirty = true; -} - -void BanMan::SweepBanned() -{ - int64_t now = GetTime(); - bool notifyUI = false; - { - LOCK(cs_setBanned); - banmap_t::iterator it = setBanned.begin(); - while(it != setBanned.end()) - { - CSubNet subNet = (*it).first; - CBanEntry banEntry = (*it).second; - if(now > banEntry.nBanUntil) - { - setBanned.erase(it++); - setBannedIsDirty = true; - notifyUI = true; - LogPrint(BCLog::NET, "%s: Removed banned node ip/subnet from banlist.dat: %s\n", __func__, subNet.ToString()); - } - else - ++it; - } - } - // update UI - if(notifyUI && clientInterface) { - clientInterface->BannedListChanged(); - } -} - -bool BanMan::BannedSetIsDirty() -{ - LOCK(cs_setBanned); - return setBannedIsDirty; -} - -void BanMan::SetBannedSetDirty(bool dirty) -{ - LOCK(cs_setBanned); //reuse setBanned lock for the isDirty flag - setBannedIsDirty = dirty; -} - - bool CConnman::IsWhitelistedRange(const CNetAddr &addr) { for (const CSubNet& subnet : vWhitelistedRange) { if (subnet.Match(addr)) @@ -2430,32 +2268,6 @@ bool CConnman::Start(CScheduler& scheduler, const Options& connOptions) return true; } -BanMan::BanMan(fs::path ban_file, CClientUIInterface* client_interface, int64_t default_ban_time) : clientInterface(client_interface), m_ban_db(std::move(ban_file)), m_default_ban_time(default_ban_time) -{ - if (clientInterface) clientInterface->InitMessage(_("Loading banlist...")); - - int64_t nStart = GetTimeMillis(); - setBannedIsDirty = false; - banmap_t banmap; - if (m_ban_db.Read(banmap)) { - SetBanned(banmap); // thread save setter - SetBannedSetDirty(false); // no need to write down, just read data - SweepBanned(); // sweep out unused entries - - LogPrint(BCLog::NET, "Loaded %d banned node ips/subnets from banlist.dat %dms\n", - banmap.size(), GetTimeMillis() - nStart); - } else { - LogPrintf("Invalid or missing banlist.dat; recreating\n"); - SetBannedSetDirty(true); // force write - DumpBanlist(); - } -} - -BanMan::~BanMan() -{ - DumpBanlist(); -} - class CNetCleanup { public: |