-/* +------------------------------------+
- * | Inspire Internet Relay Chat Daemon |
- * +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
*
- * Inspire is copyright (C) 2002-2004 ChatSpike-Dev.
- * E-mail:
- * <brain@chatspike.net>
- * <Craig@chatspike.net>
- *
- * Written by Craig Edwards, Craig McLure, and others.
- * This program is free but copyrighted software; see
- * the file COPYING for details.
+ * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
+ * Copyright (C) 2008 Robin Burchell <robin+git@viroteck.net>
+ * Copyright (C) 2008 Thomas Stagner <aquanight@inspircd.org>
+ * Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
+ * Copyright (C) 2003, 2007 Craig Edwards <craigedwards@brainbox.cc>
*
- * ---------------------------------------------------
+ * 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/>.
+ */
+
+
+#ifndef CTABLES_H
+#define CTABLES_H
+
+/** Used to indicate command success codes
+ */
+enum CmdResult
+{
+ CMD_FAILURE = 0, /* Command exists, but failed */
+ CMD_SUCCESS = 1, /* Command exists, and succeeded */
+ CMD_INVALID = 2, /* Command doesnt exist at all! */
+ CMD_EPERM = 3 /* Command failed because of a permission check */
+};
+
+/** Flag for commands that are only allowed from servers */
+const char FLAG_SERVERONLY = 7; // technically anything nonzero below 'A' works
+
+/** Translation types for translation of parameters to UIDs.
+ * This allows the core commands to not have to be aware of how UIDs
+ * work (making it still possible to write other linking modules which
+ * do not use UID (but why would you want to?)
+ */
+enum TranslateType
+{
+ TR_END, /* End of known parameters, everything after this is TR_TEXT */
+ TR_TEXT, /* Raw text, leave as-is */
+ TR_NICK, /* Nickname, translate to UUID for server->server */
+ TR_CUSTOM /* Custom translation handled by EncodeParameter/DecodeParameter */
+};
+
+/** Routing types for a command. Any command which is created defaults
+ * to having its command broadcasted on success. This behaviour may be
+ * overridden to one of the route types shown below (see the #defines
+ * below for more information on each one's behaviour)
*/
-
-#ifndef __CTABLES_H__
-#define __CTABLES_H__
+enum RouteType
+{
+ ROUTE_TYPE_LOCALONLY,
+ ROUTE_TYPE_BROADCAST,
+ ROUTE_TYPE_UNICAST,
+ ROUTE_TYPE_MESSAGE,
+ ROUTE_TYPE_OPT_BCAST,
+ ROUTE_TYPE_OPT_UCAST
+};
-#include "inspircd_config.h"
-#include <deque>
+/** Defines routing information for a command, containing a destination
+ * server id (if applicable) and a routing type from the enum above.
+ */
+struct RouteDescriptor
+{
+ /** Routing type from the enum above
+ */
+ RouteType type;
+ /** For unicast, the destination server's name
+ */
+ std::string serverdest;
-class userrec;
+ /** Create a RouteDescriptor
+ */
+ RouteDescriptor(RouteType t, const std::string &d)
+ : type(t), serverdest(d) { }
+};
-typedef void (handlerfunc) (char**, int, userrec*);
+/** Do not route this command */
+#define ROUTE_LOCALONLY (RouteDescriptor(ROUTE_TYPE_LOCALONLY, ""))
+/** Route this command to all servers, fail if not understood */
+#define ROUTE_BROADCAST (RouteDescriptor(ROUTE_TYPE_BROADCAST, ""))
+/** Route this command to a single server (do nothing if own server name specified) */
+#define ROUTE_UNICAST(x) (RouteDescriptor(ROUTE_TYPE_UNICAST, x))
+/** Route this command as a message with the given target (any of user, #channel, @#channel, $servermask) */
+#define ROUTE_MESSAGE(x) (RouteDescriptor(ROUTE_TYPE_MESSAGE, x))
+/** Route this command to all servers wrapped via ENCAP, so ignored if not understood */
+#define ROUTE_OPT_BCAST (RouteDescriptor(ROUTE_TYPE_OPT_BCAST, ""))
+/** Route this command to a single server wrapped via ENCAP, so ignored if not understood */
+#define ROUTE_OPT_UCAST(x) (RouteDescriptor(ROUTE_TYPE_OPT_UCAST, x))
-/** A structure that defines a command
+/** A structure that defines a command. Every command available
+ * in InspIRCd must be defined as derived from Command.
*/
-class command_t
+class CoreExport Command : public ServiceProvider
{
public:
- /** Command name
- */
- char command[MAXBUF];
- /** Handler function as in typedef
- */
- handlerfunc *handler_function;
/** User flags needed to execute the command or 0
*/
char flags_needed;
+
/** Minimum number of parameters command takes
*/
- int min_params;
+ const unsigned int min_params;
+
+ /** Maximum number of parameters command takes.
+ * This is used by the command parser to join extra parameters into one last param.
+ * If not set, no munging is done to this command.
+ */
+ const unsigned int max_params;
+
/** used by /stats m
*/
- long use_count;
+ unsigned long use_count;
+
/** used by /stats m
- */
- long total_bytes;
- /** used for resource tracking between modules
*/
- char source[MAXBUF];
+ unsigned long total_bytes;
+
+ /** True if the command is disabled to non-opers
+ */
+ bool disabled;
+
+ /** True if the command can be issued before registering
+ */
+ bool works_before_reg;
+
+ /** True if the command allows an empty last parameter.
+ * When false and the last parameter is empty, it's popped BEFORE
+ * checking there are enough params, etc. (i.e. the handler won't
+ * be called if there aren't enough params after popping the empty
+ * param).
+ * True by default
+ */
+ bool allow_empty_last_param;
+
+ /** Syntax string for the command, displayed if non-empty string.
+ * This takes place of the text in the 'not enough parameters' numeric.
+ */
+ std::string syntax;
+
+ /** Translation type list for possible parameters, used to tokenize
+ * parameters into UIDs and SIDs etc.
+ */
+ std::vector<TranslateType> translation;
+
+ /** How many seconds worth of penalty does this command have?
+ */
+ int Penalty;
+
+ /** Create a new command.
+ * @param me The module which created this command.
+ * @param cmd Command name. This must be UPPER CASE.
+ * @param minpara Minimum parameters required for the command.
+ * @param maxpara Maximum number of parameters this command may have - extra parameters
+ * will be tossed into one last space-seperated param.
+ */
+ Command(Module* me, const std::string &cmd, int minpara = 0, int maxpara = 0) :
+ ServiceProvider(me, cmd, SERVICE_COMMAND), flags_needed(0), min_params(minpara), max_params(maxpara),
+ use_count(0), total_bytes(0), disabled(false), works_before_reg(false), allow_empty_last_param(true),
+ Penalty(1)
+ {
+ }
+
+ /** Handle the command from a user.
+ * @param parameters The parameters for the command.
+ * @param user The user who issued the command.
+ * @return Return CMD_SUCCESS on success, or CMD_FAILURE on failure.
+ */
+ virtual CmdResult Handle(const std::vector<std::string>& parameters, User* user) = 0;
+
+ virtual RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters)
+ {
+ return ROUTE_LOCALONLY;
+ }
+
+ /** Encode a parameter for server->server transmission.
+ * Used for parameters for which the translation type is TR_CUSTOM.
+ * @param parameter The parameter to encode. Can be modified in place.
+ * @param index The parameter index (0 == first parameter).
+ */
+ virtual void EncodeParameter(std::string& parameter, int index)
+ {
+ }
+
+ /** Decode a parameter from server->server transmission.
+ * Not currently used in this version of InspIRCd.
+ * Used for parameters for which the translation type is TR_CUSTOM.
+ * @param parameter The parameter to decode. Can be modified in place.
+ * @param index The parameter index (0 == first parameter).
+ */
+ virtual void DecodeParameter(std::string& parameter, int index)
+ {
+ }
+
+ /** Disable or enable this command.
+ * @param setting True to disable the command.
+ */
+ void Disable(bool setting)
+ {
+ disabled = setting;
+ }
+
+ /** Obtain this command's disable state.
+ * @return true if the command is currently disabled
+ * (disabled commands can be used only by operators)
+ */
+ bool IsDisabled()
+ {
+ return disabled;
+ }
+
+ /** @return true if the command works before registration.
+ */
+ bool WorksBeforeReg()
+ {
+ return works_before_reg;
+ }
+
+ virtual ~Command();
+};
+
+class CoreExport SplitCommand : public Command
+{
+ public:
+ SplitCommand(Module* me, const std::string &cmd, int minpara = 0, int maxpara = 0)
+ : Command(me, cmd, minpara, maxpara) {}
+ virtual CmdResult Handle(const std::vector<std::string>& parameters, User* user);
+ virtual CmdResult HandleLocal(const std::vector<std::string>& parameters, LocalUser* user);
+ virtual CmdResult HandleRemote(const std::vector<std::string>& parameters, RemoteUser* user);
+ virtual CmdResult HandleServer(const std::vector<std::string>& parameters, FakeUser* user);
};
-typedef std::deque<command_t> command_table;
+/** Shortcut macros for defining translation lists
+ */
+#define TRANSLATE1(x1) translation.push_back(x1);
+#define TRANSLATE2(x1,x2) translation.push_back(x1);translation.push_back(x2);
+#define TRANSLATE3(x1,x2,x3) translation.push_back(x1);translation.push_back(x2);translation.push_back(x3);
+#define TRANSLATE4(x1,x2,x3,x4) translation.push_back(x1);translation.push_back(x2);translation.push_back(x3);translation.push_back(x4);
+#define TRANSLATE5(x1,x2,x3,x4,x5) translation.push_back(x1);translation.push_back(x2);translation.push_back(x3);translation.push_back(x4);\
+ translation.push_back(x5);
+#define TRANSLATE6(x1,x2,x3,x4,x5,x6) translation.push_back(x1);translation.push_back(x2);translation.push_back(x3);translation.push_back(x4);\
+ translation.push_back(x5);translation.push_back(x6);
+#define TRANSLATE7(x1,x2,x3,x4,x5,x6,x7) translation.push_back(x1);translation.push_back(x2);translation.push_back(x3);translation.push_back(x4);\
+ translation.push_back(x5);translation.push_back(x6);translation.push_back(x7);
+#define TRANSLATE8(x1,x2,x3,x4,x5,x6,x7,x8) translation.push_back(x1);translation.push_back(x2);translation.push_back(x3);translation.push_back(x4);\
+ translation.push_back(x5);translation.push_back(x6);translation.push_back(x7);translation.push_back(x8);
#endif
-