1 files changed, 109 insertions, 0 deletions
diff --git a/src/modules/cmd_rehash.cpp b/src/modules/cmd_rehash.cpp
new file mode 100644
index 000000000..a689801aa
--- /dev/null
+++ b/src/modules/cmd_rehash.cpp
@@ -0,0 +1,109 @@
+/*       +------------------------------------+
+ *       | Inspire Internet Relay Chat Daemon |
+ *       +------------------------------------+
+ *
+ *  InspIRCd: (C) 2002-2009 InspIRCd Development Team
+ * See: http://wiki.inspircd.org/Credits
+ *
+ * This program is free but copyrighted software; see
+ *            the file COPYING for details.
+ *
+ * ---------------------------------------------------
+ */
+
+#include "inspircd.h"
+#include "xline.h"
+/** Handle /REHASH. These command handlers can be reloaded by the core,
+ * and handle basic RFC1459 commands. Commands within modules work
+ * the same way, however, they can be fully unloaded, where these
+ * may not.
+ */
+class CommandRehash : public Command
+{
+ public:
+	/** Constructor for rehash.
+	 */
+	CommandRehash ( Module* parent) : Command(parent,"REHASH",0) { flags_needed = 'o'; Penalty = 2; syntax = "[<servermask>]"; }
+	/** Handle command.
+	 * @param parameters The parameters to the comamnd
+	 * @param pcnt The number of parameters passed to teh command
+	 * @param user The user issuing the command
+	 * @return A value from CmdResult to indicate command success or failure.
+	 */
+	CmdResult Handle(const std::vector<std::string>& parameters, User *user);
+};
+
+CmdResult CommandRehash::Handle (const std::vector<std::string>& parameters, User *user)
+{
+	std::string param = parameters.size() ? parameters[0] : "";
+
+	FOREACH_MOD(I_OnPreRehash,OnPreRehash(user, param));
+
+	if (param.empty())
+	{
+		// standard rehash of local server
+	}
+	else if (param.find_first_of("*.") != std::string::npos)
+	{
+		// rehash of servers by server name (with wildcard)
+		if (!InspIRCd::Match(ServerInstance->Config->ServerName, parameters[0]))
+		{
+			// Doesn't match us. PreRehash is already done, nothing left to do
+			return CMD_SUCCESS;
+		}
+	}
+	else
+	{
+		// parameterized rehash
+
+		// the leading "-" is optional; remove it if present.
+		if (param[0] == '-')
+			param = param.substr(1);
+
+		FOREACH_MOD(I_OnModuleRehash,OnModuleRehash(user, param));
+		return CMD_SUCCESS;
+	}
+
+	// Rehash for me. Try to start the rehash thread
+	if (!ServerInstance->ConfigThread)
+	{
+		std::string m = user->nick + " is rehashing config file " + ServerConfig::CleanFilename(ServerInstance->ConfigFileName) + " on " + ServerInstance->Config->ServerName;
+		ServerInstance->SNO->WriteGlobalSno('a', m);
+
+		if (IS_LOCAL(user))
+			user->WriteNumeric(RPL_REHASHING, "%s %s :Rehashing",
+				user->nick.c_str(),ServerConfig::CleanFilename(ServerInstance->ConfigFileName));
+		else
+			ServerInstance->PI->SendUserNotice(user, std::string("*** Rehashing server ") +
+				ServerConfig::CleanFilename(ServerInstance->ConfigFileName));
+
+		/* Don't do anything with the logs here -- logs are restarted
+		 * after the config thread has completed.
+		 */
+
+		ServerInstance->RehashUsersAndChans();
+		FOREACH_MOD(I_OnGarbageCollect, OnGarbageCollect());
+
+
+		ServerInstance->ConfigThread = new ConfigReaderThread(ServerInstance, user->uuid);
+		ServerInstance->Threads->Start(ServerInstance->ConfigThread);
+
+		return CMD_SUCCESS;
+	}
+	else
+	{
+		/*
+		 * A rehash is already in progress! ahh shit.
+		 * XXX, todo: we should find some way to kill runaway rehashes that are blocking, this is a major problem for unrealircd users
+		 */
+		if (IS_LOCAL(user))
+			user->WriteServ("NOTICE %s :*** Could not rehash: A rehash is already in progress.", user->nick.c_str());
+		else
+			ServerInstance->PI->SendUserNotice(user, "*** Could not rehash: A rehash is already in progress.");
+
+		return CMD_FAILURE;
+	}
+}
+
+
+COMMAND_INIT(CommandRehash)