1 files changed, 122 insertions, 0 deletions
diff --git a/modules/commands/ns_ghost.cpp b/modules/commands/ns_ghost.cpp
new file mode 100644
index 000000000..37dcef9c7
--- /dev/null
+++ b/modules/commands/ns_ghost.cpp
@@ -0,0 +1,122 @@
+/* NickServ core functions
+ *
+ * (C) 2003-2011 Anope Team
+ * Contact us at team@anope.org
+ *
+ * Please read COPYING and README for further details.
+ *
+ * Based on the original code of Epona by Lara.
+ * Based on the original code of Services by Andy Church.
+ */
+
+/*************************************************************************/
+
+#include "module.h"
+
+class CommandNSGhost : public Command
+{
+ public:
+	CommandNSGhost(Module *creator) : Command(creator, "nickserv/ghost", 1, 2)
+	{
+		this->SetFlag(CFLAG_ALLOW_UNREGISTERED);
+		this->SetDesc(_("Disconnects a \"ghost\" IRC session using your nick"));
+		this->SetSyntax("\037nickname\037 [\037password\037]");
+	}
+
+	void Execute(CommandSource &source, const std::vector<Anope::string> &params)
+	{
+		const Anope::string &nick = params[0];
+		const Anope::string &pass = params.size() > 1 ? params[1] : "";
+
+		User *u = source.u;
+		User *user = finduser(nick);
+		NickAlias *na = findnick(nick);
+
+		if (!user)
+			source.Reply(NICK_X_NOT_IN_USE, nick.c_str());
+		else if (!na)
+			source.Reply(NICK_X_NOT_REGISTERED, nick.c_str());
+		else if (na->nc->HasFlag(NI_SUSPENDED))
+			source.Reply(NICK_X_SUSPENDED, na->nick.c_str());
+		else if (nick.equals_ci(u->nick))
+			source.Reply(_("You can't ghost yourself!"));
+		else
+		{
+			bool ok = false;
+			if (u->Account() == na->nc)
+				ok = true;
+			else if (!na->nc->HasFlag(NI_SECURE) && is_on_access(u, na->nc))
+				ok = true;
+			else if (!u->fingerprint.empty() && na->nc->FindCert(u->fingerprint))
+				ok = true;
+			else if (!pass.empty())
+			{
+				EventReturn MOD_RESULT;
+				FOREACH_RESULT(I_OnCheckAuthentication, OnCheckAuthentication(this, &source, params, na->nc->display, pass));
+				if (MOD_RESULT == EVENT_STOP)
+					return;
+				else if (MOD_RESULT == EVENT_ALLOW)
+					ok = true;
+			}
+
+			if (ok)
+			{
+				if (!user->IsIdentified())
+					source.Reply(_("You may not ghost an unidentified user, use RECOVER instead."));
+				else
+				{
+					Log(LOG_COMMAND, u, this) << "for " << nick;
+					Anope::string buf = "GHOST command used by " + u->nick;
+					user->Kill(Config->NickServ, buf);
+					source.Reply(_("Ghost with your nick has been killed."), nick.c_str());
+				}
+			}
+			else
+			{
+				source.Reply(ACCESS_DENIED);
+				if (!pass.empty())
+				{
+					Log(LOG_COMMAND, u, this) << "with an invalid password for " << nick;
+					bad_password(u);
+				}
+			}
+		}
+
+		return;
+	}
+
+	bool OnHelp(CommandSource &source, const Anope::string &subcommand)
+	{
+		this->SendSyntax(source);
+		source.Reply(" ");
+		source.Reply(_("itermminates a \"ghost\" IRC session using your nick.  A\n"
+				"ghost\" session is one which is not actually connected,\n"
+				"but which the IRC server believes is still online for one\n"
+				"reason or another. Typically, this happens if your\n"
+				"computer crashes or your Internet or modem connection\n"
+				"goes down while you're on IRC.\n"
+				" \n"
+				"In order to use the \002GHOST\002 command for a nick, your\n"
+				"current address as shown in /WHOIS must be on that nick's\n"
+				"access list, you must be identified and in the group of\n"
+				"that nick, or you must supply the correct password for\n"
+				"the nickname."));
+		return true;
+	}
+};
+
+class NSGhost : public Module
+{
+	CommandNSGhost commandnsghost;
+
+ public:
+	NSGhost(const Anope::string &modname, const Anope::string &creator) : Module(modname, creator, CORE),
+		commandnsghost(this)
+	{
+		this->SetAuthor("Anope");
+
+		ModuleManager::RegisterService(&commandnsghost);
+	}
+};
+
+MODULE_INIT(NSGhost)