1 /* +------------------------------------+
2 * | Inspire Internet Relay Chat Daemon |
3 * +------------------------------------+
5 * InspIRCd: (C) 2002-2010 InspIRCd Development Team
6 * See: http://wiki.inspircd.org/Credits
8 * This program is free but copyrighted software; see
9 * the file COPYING for details.
11 * ---------------------------------------------------
17 /** Used to indicate command success codes
21 CMD_FAILURE = 0, /* Command exists, but failed */
22 CMD_SUCCESS = 1, /* Command exists, and succeeded */
23 CMD_INVALID = 2, /* Command doesnt exist at all! */
24 CMD_EPERM = 3 /* Command failed because of a permission check */
27 /** Flag for commands that are only allowed from servers */
28 const char FLAG_SERVERONLY = 7; // technically anything nonzero below 'A' works
30 /** Translation types for translation of parameters to UIDs.
31 * This allows the core commands to not have to be aware of how UIDs
32 * work (making it still possible to write other linking modules which
33 * do not use UID (but why would you want to?)
37 TR_END, /* End of known parameters, everything after this is TR_TEXT */
38 TR_TEXT, /* Raw text, leave as-is */
39 TR_NICK, /* Nickname, translate to UUID for server->server */
40 TR_CUSTOM /* Custom translation handled by EncodeParameter/DecodeParameter */
43 /** Routing types for a command. Any command which is created defaults
44 * to having its command broadcasted on success. This behaviour may be
45 * overridden to one of the route types shown below (see the #defines
46 * below for more information on each one's behaviour)
58 /** Defines routing information for a command, containing a destination
59 * server id (if applicable) and a routing type from the enum above.
61 struct RouteDescriptor
63 /** Routing type from the enum above
66 /** For unicast, the destination server's name
68 std::string serverdest;
70 /** Create a RouteDescriptor
72 RouteDescriptor(RouteType t, const std::string &d)
73 : type(t), serverdest(d) { }
76 /** Do not route this command */
77 #define ROUTE_LOCALONLY (RouteDescriptor(ROUTE_TYPE_LOCALONLY, ""))
78 /** Route this command to all servers, fail if not understood */
79 #define ROUTE_BROADCAST (RouteDescriptor(ROUTE_TYPE_BROADCAST, ""))
80 /** Route this command to a single server (do nothing if own server name specified) */
81 #define ROUTE_UNICAST(x) (RouteDescriptor(ROUTE_TYPE_UNICAST, x))
82 /** Route this command as a message with the given target (any of user, #channel, @#channel, $servermask) */
83 #define ROUTE_MESSAGE(x) (RouteDescriptor(ROUTE_TYPE_MESSAGE, x))
84 /** Route this command to all servers wrapped via ENCAP, so ignored if not understood */
85 #define ROUTE_OPT_BCAST (RouteDescriptor(ROUTE_TYPE_OPT_BCAST, ""))
86 /** Route this command to a single server wrapped via ENCAP, so ignored if not understood */
87 #define ROUTE_OPT_UCAST(x) (RouteDescriptor(ROUTE_TYPE_OPT_UCAST, x))
89 /** A structure that defines a command. Every command available
90 * in InspIRCd must be defined as derived from Command.
92 class CoreExport Command : public ServiceProvider
95 /** User flags needed to execute the command or 0
99 /** Minimum number of parameters command takes
101 const unsigned int min_params;
103 /** Maximum number of parameters command takes.
104 * This is used by the command parser to join extra parameters into one last param.
105 * If not set, no munging is done to this command.
107 const unsigned int max_params;
117 /** True if the command is disabled to non-opers
121 /** True if the command can be issued before registering
123 bool works_before_reg;
125 /** Syntax string for the command, displayed if non-empty string.
126 * This takes place of the text in the 'not enough parameters' numeric.
130 /** Translation type list for possible parameters, used to tokenize
131 * parameters into UIDs and SIDs etc.
133 std::vector<TranslateType> translation;
135 /** How many seconds worth of penalty does this command have?
139 /** Create a new command.
140 * @param Instance Pointer to creator class
141 * @param cmd Command name. This must be UPPER CASE.
142 * @param flags User mode required to execute the command. May ONLY be one mode - it's a string to give warnings if people mix params up.
143 * For oper only commands, set this to 'o', otherwise use 0.
144 * @param minpara Minimum parameters required for the command.
145 * @param maxpara Maximum number of parameters this command may have - extra parameters will be tossed into one last space-seperated param.
146 * @param before_reg If this is set to true, the command will
147 * be allowed before the user is 'registered' (has sent USER,
148 * NICK, optionally PASS, and been resolved).
150 Command(Module* me, const std::string &cmd, int minpara = 0, int maxpara = 0) :
151 ServiceProvider(me, cmd, SERVICE_COMMAND), flags_needed(0), min_params(minpara), max_params(maxpara),
152 use_count(0), total_bytes(0), disabled(false), works_before_reg(false), Penalty(1)
156 /** Handle the command from a user.
157 * @param parameters The parameters for the command.
158 * @param user The user who issued the command.
159 * @return Return CMD_SUCCESS on success, or CMD_FAILURE on failure.
161 virtual CmdResult Handle(const std::vector<std::string>& parameters, User* user) = 0;
163 virtual RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters)
165 return ROUTE_LOCALONLY;
168 /** Encode a parameter for server->server transmission.
169 * Used for parameters for which the translation type is TR_CUSTOM.
170 * @param parameter The parameter to encode. Can be modified in place.
171 * @param index The parameter index (0 == first parameter).
173 virtual void EncodeParameter(std::string& parameter, int index)
177 /** Decode a parameter from server->server transmission.
178 * Not currently used in this version of InspIRCd.
179 * Used for parameters for which the translation type is TR_CUSTOM.
180 * @param parameter The parameter to decode. Can be modified in place.
181 * @param index The parameter index (0 == first parameter).
183 virtual void DecodeParameter(std::string& parameter, int index)
187 /** Disable or enable this command.
188 * @param setting True to disable the command.
190 void Disable(bool setting)
195 /** Obtain this command's disable state.
196 * @return true if the command is currently disabled
197 * (disabled commands can be used only by operators)
204 /** @return true if the command works before registration.
206 bool WorksBeforeReg()
208 return works_before_reg;
214 class CoreExport SplitCommand : public Command
217 SplitCommand(Module* me, const std::string &cmd, int minpara = 0, int maxpara = 0)
218 : Command(me, cmd, minpara, maxpara) {}
219 virtual CmdResult Handle(const std::vector<std::string>& parameters, User* user);
220 virtual CmdResult HandleLocal(const std::vector<std::string>& parameters, LocalUser* user);
221 virtual CmdResult HandleRemote(const std::vector<std::string>& parameters, RemoteUser* user);
222 virtual CmdResult HandleServer(const std::vector<std::string>& parameters, FakeUser* user);
225 /** Shortcut macros for defining translation lists
227 #define TRANSLATE1(x1) translation.push_back(x1);
228 #define TRANSLATE2(x1,x2) translation.push_back(x1);translation.push_back(x2);
229 #define TRANSLATE3(x1,x2,x3) translation.push_back(x1);translation.push_back(x2);translation.push_back(x3);
230 #define TRANSLATE4(x1,x2,x3,x4) translation.push_back(x1);translation.push_back(x2);translation.push_back(x3);translation.push_back(x4);
231 #define TRANSLATE5(x1,x2,x3,x4,x5) translation.push_back(x1);translation.push_back(x2);translation.push_back(x3);translation.push_back(x4);\
232 translation.push_back(x5);
233 #define TRANSLATE6(x1,x2,x3,x4,x5,x6) translation.push_back(x1);translation.push_back(x2);translation.push_back(x3);translation.push_back(x4);\
234 translation.push_back(x5);translation.push_back(x6);
235 #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);\
236 translation.push_back(x5);translation.push_back(x6);translation.push_back(x7);
237 #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);\
238 translation.push_back(x5);translation.push_back(x6);translation.push_back(x7);translation.push_back(x8);