1 files changed, 93 insertions, 0 deletions
diff --git a/src/coremods/core_xline/core_xline.cpp b/src/coremods/core_xline/core_xline.cpp
new file mode 100644
index 000000000..ab80ab4ed
--- /dev/null
+++ b/src/coremods/core_xline/core_xline.cpp
@@ -0,0 +1,93 @@
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
+ *
+ *   Copyright (C) 2014 Attila Molnar <attilamolnar@hush.com>
+ *
+ * This file is part of InspIRCd.  InspIRCd is free software: you can
+ * redistribute it and/or modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation, version 2.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include "inspircd.h"
+#include "xline.h"
+#include "core_xline.h"
+
+bool InsaneBan::MatchesEveryone(const std::string& mask, MatcherBase& test, User* user, const char* bantype, const char* confkey)
+{
+	ConfigTag* insane = ServerInstance->Config->ConfValue("insane");
+
+	if (insane->getBool(confkey))
+		return false;
+
+	float itrigger = insane->getFloat("trigger", 95.5, 0.0, 100.0);
+
+	long matches = test.Run(mask);
+
+	if (!matches)
+		return false;
+
+	float percent = ((float)matches / (float)ServerInstance->Users->GetUsers().size()) * 100;
+	if (percent > itrigger)
+	{
+		ServerInstance->SNO->WriteToSnoMask('a', "\2WARNING\2: %s tried to set a %s-line mask of %s, which covers %.2f%% of the network!", user->nick.c_str(), bantype, mask.c_str(), percent);
+		return true;
+	}
+	return false;
+}
+
+bool InsaneBan::IPHostMatcher::Check(User* user, const std::string& mask) const
+{
+	return ((InspIRCd::MatchCIDR(user->MakeHost(), mask, ascii_case_insensitive_map)) ||
+			(InspIRCd::MatchCIDR(user->MakeHostIP(), mask, ascii_case_insensitive_map)));
+}
+
+class CoreModXLine : public Module
+{
+	CommandEline cmdeline;
+	CommandGline cmdgline;
+	CommandKline cmdkline;
+	CommandQline cmdqline;
+	CommandZline cmdzline;
+
+ public:
+	CoreModXLine()
+		: cmdeline(this), cmdgline(this), cmdkline(this), cmdqline(this), cmdzline(this)
+	{
+	}
+
+	ModResult OnUserPreNick(LocalUser* user, const std::string& newnick) CXX11_OVERRIDE
+	{
+		// Check Q-Lines (for local nick changes only, remote servers have our Q-Lines to enforce themselves)
+
+		XLine* xline = ServerInstance->XLines->MatchesLine("Q", newnick);
+		if (!xline)
+			return MOD_RES_PASSTHRU; // No match
+
+		// A Q-Line matched the new nick, tell opers if the user is registered
+		if (user->registered == REG_ALL)
+		{
+			ServerInstance->SNO->WriteGlobalSno('a', "Q-Lined nickname %s from %s: %s",
+				newnick.c_str(), user->GetFullRealHost().c_str(), xline->reason.c_str());
+		}
+
+		// Send a numeric because if we deny then the core doesn't reply anything
+		user->WriteNumeric(ERR_ERRONEUSNICKNAME, newnick, InspIRCd::Format("Invalid nickname: %s", xline->reason.c_str()));
+		return MOD_RES_DENY;
+	}
+
+	Version GetVersion() CXX11_OVERRIDE
+	{
+		return Version("Provides the ELINE, GLINE, KLINE, QLINE, and ZLINE commands", VF_VENDOR|VF_CORE);
+	}
+};
+
+MODULE_INIT(CoreModXLine)