]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/command_parse.cpp
Add support for blocking tag messages with the deaf mode.
[user/henk/code/inspircd.git] / src / command_parse.cpp
index 7998d9cc3a982f0f71732a2f7dfe4af2b831e9f3..f4d8f377c57827729814e8739d8636900db427d2 100644 (file)
@@ -1,11 +1,13 @@
 /*
  * InspIRCd -- Internet Relay Chat Daemon
  *
+ *   Copyright (C) 2014, 2018-2020 Sadie Powell <sadie@witchery.services>
+ *   Copyright (C) 2012-2016, 2018 Attila Molnar <attilamolnar@hush.com>
+ *   Copyright (C) 2012 Robby <robby@chatbelgie.be>
  *   Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
- *   Copyright (C) 2006-2008 Robin Burchell <robin+git@viroteck.net>
- *   Copyright (C) 2008 Thomas Stagner <aquanight@inspircd.org>
- *   Copyright (C) 2005-2008 Craig Edwards <craigedwards@brainbox.cc>
- *   Copyright (C) 2006-2007 Dennis Friis <peavey@inspircd.org>
+ *   Copyright (C) 2007-2009 Robin Burchell <robin+git@viroteck.net>
+ *   Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
+ *   Copyright (C) 2005-2008, 2010 Craig Edwards <brain@inspircd.org>
  *
  * 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
@@ -37,13 +39,13 @@ bool InspIRCd::PassCompare(Extensible* ex, const std::string& data, const std::s
                return false;
 
        /* We dont handle any hash types except for plaintext - Thanks tra26 */
-       if (!hashtype.empty() && hashtype != "plaintext")
+       if (!hashtype.empty() && !stdalgo::string::equalsci(hashtype, "plaintext"))
                return false;
 
        return TimingSafeCompare(data, input);
 }
 
-bool CommandParser::LoopCall(User* user, Command* handler, const std::vector<std::string>& parameters, unsigned int splithere, int extra, bool usemax)
+bool CommandParser::LoopCall(User* user, Command* handler, const CommandBase::Params& parameters, unsigned int splithere, int extra, bool usemax)
 {
        if (splithere >= parameters.size())
                return false;
@@ -60,7 +62,7 @@ bool CommandParser::LoopCall(User* user, Command* handler, const std::vector<std
         *
         * Only check for duplicates if there is one list (allow them in JOIN).
         */
-       insp::flat_set<irc::string> dupes;
+       insp::flat_set<std::string, irc::insensitive_swo> dupes;
        bool check_dupes = (extra < 0);
 
        /* Create two sepstreams, if we have only one list, then initialize the second sepstream with
@@ -78,28 +80,28 @@ bool CommandParser::LoopCall(User* user, Command* handler, const std::vector<std
         * for every parameter or parameter pair until there are no more
         * left to parse.
         */
+       CommandBase::Params splitparams(parameters);
        while (items1.GetToken(item) && (!usemax || max++ < ServerInstance->Config->MaxTargets))
        {
-               if ((!check_dupes) || (dupes.insert(item.c_str()).second))
+               if ((!check_dupes) || (dupes.insert(item).second))
                {
-                       std::vector<std::string> new_parameters(parameters);
-                       new_parameters[splithere] = item;
+                       splitparams[splithere] = item;
 
                        if (extra >= 0)
                        {
                                // If we have two lists then get the next item from the second list.
                                // In case it runs out of elements then 'item' will be an empty string.
                                items2.GetToken(item);
-                               new_parameters[extra] = item;
+                               splitparams[extra] = item;
                        }
 
-                       CmdResult result = handler->Handle(new_parameters, user);
+                       CmdResult result = handler->Handle(user, splitparams);
                        if (localuser)
                        {
-                               // Run the OnPostCommand hook with the last parameter (original line) being empty
-                               // to indicate that the command had more targets in its original form.
+                               // Run the OnPostCommand hook with the last parameter being true to indicate
+                               // that the event is being called in a loop.
                                item.clear();
-                               FOREACH_MOD(OnPostCommand, (handler, new_parameters, localuser, result, item));
+                               FOREACH_MOD(OnPostCommand, (handler, splitparams, localuser, result, true));
                        }
                }
        }
@@ -118,7 +120,7 @@ Command* CommandParser::GetHandler(const std::string &commandname)
 
 // calls a handler function for a command
 
-CmdResult CommandParser::CallHandler(const std::string& commandname, const std::vector<std::string>& parameters, User* user, Command** cmd)
+CmdResult CommandParser::CallHandler(const std::string& commandname, const CommandBase::Params& parameters, User* user, Command** cmd)
 {
        CommandMap::iterator n = cmdlist.find(commandname);
 
@@ -138,7 +140,7 @@ CmdResult CommandParser::CallHandler(const std::string& commandname, const std::
                                if (user->IsModeSet(n->second->flags_needed))
                                {
                                        /* if user has the flags, and now has the permissions, go ahead */
-                                       if (user->HasPermission(commandname))
+                                       if (user->HasCommandPermission(commandname))
                                                bOkay = true;
                                }
                        }
@@ -152,33 +154,17 @@ CmdResult CommandParser::CallHandler(const std::string& commandname, const std::
                        {
                                if (cmd)
                                        *cmd = n->second;
-                               return n->second->Handle(parameters,user);
+
+                               ClientProtocol::TagMap tags;
+                               return n->second->Handle(user, CommandBase::Params(parameters, tags));
                        }
                }
        }
        return CMD_INVALID;
 }
 
-void CommandParser::ProcessCommand(LocalUser *user, std::string &cmd)
+void CommandParser::ProcessCommand(LocalUser* user, std::string& command, CommandBase::Params& command_p)
 {
-       std::vector<std::string> command_p;
-       irc::tokenstream tokens(cmd);
-       std::string command, token;
-       tokens.GetToken(command);
-
-       /* A client sent a nick prefix on their command (ick)
-        * rhapsody and some braindead bouncers do this --
-        * the rfc says they shouldnt but also says the ircd should
-        * discard it if they do.
-        */
-       if (command[0] == ':')
-               tokens.GetToken(command);
-
-       while (tokens.GetToken(token))
-               command_p.push_back(token);
-
-       std::transform(command.begin(), command.end(), command.begin(), ::toupper);
-
        /* find the command, check it exists */
        Command* handler = GetHandler(command);
 
@@ -202,9 +188,12 @@ void CommandParser::ProcessCommand(LocalUser *user, std::string &cmd)
        if (!handler)
        {
                ModResult MOD_RESULT;
-               FIRST_MOD_RESULT(OnPreCommand, MOD_RESULT, (command, command_p, user, false, cmd));
+               FIRST_MOD_RESULT(OnPreCommand, MOD_RESULT, (command, command_p, user, false));
                if (MOD_RESULT == MOD_RES_DENY)
+               {
+                       FOREACH_MOD(OnCommandBlocked, (command, command_p, user));
                        return;
+               }
 
                /*
                 * This double lookup is in case a module (abbreviation) wishes to change a command.
@@ -217,8 +206,10 @@ void CommandParser::ProcessCommand(LocalUser *user, std::string &cmd)
                if (!handler)
                {
                        if (user->registered == REG_ALL)
-                               user->WriteNumeric(ERR_UNKNOWNCOMMAND, "%s :Unknown command",command.c_str());
+                               user->WriteNumeric(ERR_UNKNOWNCOMMAND, command, "Unknown command");
+
                        ServerInstance->stats.Unknown++;
+                       FOREACH_MOD(OnCommandBlocked, (command, command_p, user));
                        return;
                }
        }
@@ -236,12 +227,12 @@ void CommandParser::ProcessCommand(LocalUser *user, std::string &cmd)
                 */
 
                // Iterator to the last parameter that will be kept
-               const std::vector<std::string>::iterator lastkeep = command_p.begin() + (handler->max_params - 1);
+               const CommandBase::Params::iterator lastkeep = command_p.begin() + (handler->max_params - 1);
                // Iterator to the first excess parameter
-               const std::vector<std::string>::iterator firstexcess = lastkeep + 1;
+               const CommandBase::Params::iterator firstexcess = lastkeep + 1;
 
-               // Append all excess parameter(s) to the last parameter, seperated by spaces
-               for (std::vector<std::string>::const_iterator i = firstexcess; i != command_p.end(); ++i)
+               // Append all excess parameter(s) to the last parameter, separated by spaces
+               for (CommandBase::Params::const_iterator i = firstexcess; i != command_p.end(); ++i)
                {
                        lastkeep->push_back(' ');
                        lastkeep->append(*i);
@@ -252,69 +243,56 @@ void CommandParser::ProcessCommand(LocalUser *user, std::string &cmd)
        }
 
        /*
-        * We call OnPreCommand here seperately if the command exists, so the magic above can
+        * We call OnPreCommand here separately if the command exists, so the magic above can
         * truncate to max_params if necessary. -- w00t
         */
        ModResult MOD_RESULT;
-       FIRST_MOD_RESULT(OnPreCommand, MOD_RESULT, (command, command_p, user, false, cmd));
+       FIRST_MOD_RESULT(OnPreCommand, MOD_RESULT, (command, command_p, user, false));
        if (MOD_RESULT == MOD_RES_DENY)
+       {
+               FOREACH_MOD(OnCommandBlocked, (command, command_p, user));
                return;
+       }
 
        /* activity resets the ping pending timer */
-       user->nping = ServerInstance->Time() + user->MyClass->GetPingTime();
+       user->nextping = ServerInstance->Time() + user->MyClass->GetPingTime();
 
        if (handler->flags_needed)
        {
                if (!user->IsModeSet(handler->flags_needed))
                {
                        user->CommandFloodPenalty += failpenalty;
-                       user->WriteNumeric(ERR_NOPRIVILEGES, ":Permission Denied - You do not have the required operator privileges");
+                       user->WriteNumeric(ERR_NOPRIVILEGES, "Permission Denied - You do not have the required operator privileges");
+                       FOREACH_MOD(OnCommandBlocked, (command, command_p, user));
                        return;
                }
 
-               if (!user->HasPermission(command))
+               if (!user->HasCommandPermission(command))
                {
                        user->CommandFloodPenalty += failpenalty;
-                       user->WriteNumeric(ERR_NOPRIVILEGES, ":Permission Denied - Oper type %s does not have access to command %s",
-                               user->oper->name.c_str(), command.c_str());
+                       user->WriteNumeric(ERR_NOPRIVILEGES, InspIRCd::Format("Permission Denied - Oper type %s does not have access to command %s",
+                               user->oper->name.c_str(), command.c_str()));
+                       FOREACH_MOD(OnCommandBlocked, (command, command_p, user));
                        return;
                }
        }
 
-       if ((user->registered == REG_ALL) && (!user->IsOper()) && (handler->IsDisabled()))
-       {
-               /* command is disabled! */
-               user->CommandFloodPenalty += failpenalty;
-               if (ServerInstance->Config->DisabledDontExist)
-               {
-                       user->WriteNumeric(ERR_UNKNOWNCOMMAND, "%s :Unknown command", command.c_str());
-               }
-               else
-               {
-                       user->WriteNumeric(ERR_UNKNOWNCOMMAND, "%s :This command has been disabled.", command.c_str());
-               }
-
-               ServerInstance->SNO->WriteToSnoMask('a', "%s denied for %s (%s@%s)",
-                               command.c_str(), user->nick.c_str(), user->ident.c_str(), user->host.c_str());
-               return;
-       }
-
        if ((!command_p.empty()) && (command_p.back().empty()) && (!handler->allow_empty_last_param))
                command_p.pop_back();
 
        if (command_p.size() < handler->min_params)
        {
                user->CommandFloodPenalty += failpenalty;
-               user->WriteNumeric(ERR_NEEDMOREPARAMS, "%s :Not enough parameters.", command.c_str());
-               if ((ServerInstance->Config->SyntaxHints) && (user->registered == REG_ALL) && (handler->syntax.length()))
-                       user->WriteNumeric(RPL_SYNTAX, ":SYNTAX %s %s", handler->name.c_str(), handler->syntax.c_str());
+               handler->TellNotEnoughParameters(user, command_p);
+               FOREACH_MOD(OnCommandBlocked, (command, command_p, user));
                return;
        }
 
-       if ((user->registered != REG_ALL) && (!handler->WorksBeforeReg()))
+       if ((user->registered != REG_ALL) && (!handler->works_before_reg))
        {
                user->CommandFloodPenalty += failpenalty;
-               user->WriteNumeric(ERR_NOTREGISTERED, "%s :You have not registered",command.c_str());
+               handler->TellNotRegistered(user, command_p);
+               FOREACH_MOD(OnCommandBlocked, (command, command_p, user));
        }
        else
        {
@@ -322,16 +300,19 @@ void CommandParser::ProcessCommand(LocalUser *user, std::string &cmd)
                handler->use_count++;
 
                /* module calls too */
-               FIRST_MOD_RESULT(OnPreCommand, MOD_RESULT, (command, command_p, user, true, cmd));
+               FIRST_MOD_RESULT(OnPreCommand, MOD_RESULT, (command, command_p, user, true));
                if (MOD_RESULT == MOD_RES_DENY)
+               {
+                       FOREACH_MOD(OnCommandBlocked, (command, command_p, user));
                        return;
+               }
 
                /*
                 * WARNING: be careful, the user may be deleted soon
                 */
-               CmdResult result = handler->Handle(command_p, user);
+               CmdResult result = handler->Handle(user, command_p);
 
-               FOREACH_MOD(OnPostCommand, (handler, command_p, user, result, cmd));
+               FOREACH_MOD(OnPostCommand, (handler, command_p, user, result, false));
        }
 }
 
@@ -342,51 +323,17 @@ void CommandParser::RemoveCommand(Command* x)
                cmdlist.erase(n);
 }
 
-CommandBase::CommandBase(Module* mod, const std::string& cmd, unsigned int minpara, unsigned int maxpara)
-       : ServiceProvider(mod, cmd, SERVICE_COMMAND)
-       , flags_needed(0)
-       , min_params(minpara)
-       , max_params(maxpara)
-       , use_count(0)
-       , disabled(false)
-       , works_before_reg(false)
-       , allow_empty_last_param(true)
-       , Penalty(1)
-{
-}
-
-CommandBase::~CommandBase()
+void CommandParser::ProcessBuffer(LocalUser* user, const std::string& buffer)
 {
-}
-
-void CommandBase::EncodeParameter(std::string& parameter, int index)
-{
-}
-
-RouteDescriptor CommandBase::GetRouting(User* user, const std::vector<std::string>& parameters)
-{
-       return ROUTE_LOCALONLY;
-}
-
-Command::Command(Module* mod, const std::string& cmd, unsigned int minpara, unsigned int maxpara)
-       : CommandBase(mod, cmd, minpara, maxpara)
-       , force_manual_route(false)
-{
-}
-
-Command::~Command()
-{
-       ServerInstance->Parser.RemoveCommand(this);
-}
-
-void CommandParser::ProcessBuffer(std::string &buffer,LocalUser *user)
-{
-       if (buffer.empty())
+       ClientProtocol::ParseOutput parseoutput;
+       if (!user->serializer->Parse(user, buffer, parseoutput))
                return;
 
-       ServerInstance->Logs->Log("USERINPUT", LOG_RAWIO, "C[%s] I :%s %s",
-               user->uuid.c_str(), user->nick.c_str(), buffer.c_str());
-       ProcessCommand(user,buffer);
+       std::string& command = parseoutput.cmd;
+       std::transform(command.begin(), command.end(), command.begin(), ::toupper);
+
+       CommandBase::Params parameters(parseoutput.params, parseoutput.tags);
+       ProcessCommand(user, command, parameters);
 }
 
 bool CommandParser::AddCommand(Command *f)
@@ -404,7 +351,7 @@ CommandParser::CommandParser()
 {
 }
 
-std::string CommandParser::TranslateUIDs(const std::vector<TranslateType>& to, const std::vector<std::string>& source, bool prefix_final, CommandBase* custom_translator)
+std::string CommandParser::TranslateUIDs(const std::vector<TranslateType>& to, const CommandBase::Params& source, bool prefix_final, CommandBase* custom_translator)
 {
        std::vector<TranslateType>::const_iterator types = to.begin();
        std::string dest;
@@ -458,7 +405,7 @@ void CommandParser::TranslateSingleParam(TranslateType to, const std::string& it
                        }
                        // If no custom translator was given, fall through
                }
-               case TR_TEXT:
+               /*@fallthrough@*/
                default:
                        /* Do nothing */
                        dest.append(item);