X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fcommand_parse.cpp;h=76dfc06ce05eabf887794b76981ef8410c36f992;hb=68211809ee3111bdc9609fbd46dc3c875fbb5ea6;hp=6f927e89af20c51e9bb7faf7e1dfe0dbe5859abb;hpb=ca0889d458ab768f32f399c0afe5f4e36dcd07d9;p=user%2Fhenk%2Fcode%2Finspircd.git diff --git a/src/command_parse.cpp b/src/command_parse.cpp index 6f927e89a..76dfc06ce 100644 --- a/src/command_parse.cpp +++ b/src/command_parse.cpp @@ -1,755 +1,493 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ +/* + * InspIRCd -- Internet Relay Chat Daemon * - * Inspire is copyright (C) 2002-2005 ChatSpike-Dev. - * E-mail: - * - * + * Copyright (C) 2009-2010 Daniel De Graaf + * Copyright (C) 2006-2008 Robin Burchell + * Copyright (C) 2008 Thomas Stagner + * Copyright (C) 2005-2008 Craig Edwards + * Copyright (C) 2006-2007 Dennis Friis * - * Written by Craig Edwards, Craig McLure, and others. - * This program is free but copyrighted software; see - * the file COPYING for details. + * 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 . */ -using namespace std; -#include "inspircd_config.h" #include "inspircd.h" -#include "inspircd_io.h" -#include -#include -#include -#include -#include -#include -#include -#ifdef GCC3 -#include -#else -#include -#endif -#include -#include -#include -#include -#include -#ifdef THREADED_DNS -#include -#endif -#include "users.h" -#include "globals.h" -#include "modules.h" -#include "dynamic.h" -#include "wildcard.h" -#include "message.h" -#include "mode.h" -#include "commands.h" -#include "xline.h" -#include "inspstring.h" -#include "dnsqueue.h" -#include "helperfuncs.h" -#include "hashcomp.h" -#include "socketengine.h" -#include "userprocess.h" -#include "socket.h" -#include "dns.h" -#include "typedefs.h" -#include "command_parse.h" -#include "ctables.h" - -extern InspIRCd* ServerInstance; - -extern std::vector modules; -extern std::vector factory; -extern std::vector module_sockets; -extern std::vector local_users; - -extern int MODCOUNT; -extern InspSocket* socket_ref[65535]; -extern time_t TIME; - -extern SocketEngine* SE; - -// This table references users by file descriptor. -// its an array to make it VERY fast, as all lookups are referenced -// by an integer, meaning there is no need for a scan/search operation. -extern userrec* fd_ref_table[65536]; - -extern Server* MyServer; -extern ServerConfig *Config; - -extern user_hash clientlist; -extern chan_hash chanlist; - -/* This function pokes and hacks at a parameter list like the following: - * - * PART #winbot,#darkgalaxy :m00! - * - * to turn it into a series of individual calls like this: - * - * PART #winbot :m00! - * PART #darkgalaxy :m00! - * - * The seperate calls are sent to a callback function provided by the caller - * (the caller will usually call itself recursively). The callback function - * must be a command handler. Calling this function on a line with no list causes - * no action to be taken. You must provide a starting and ending parameter number - * where the range of the list can be found, useful if you have a terminating - * parameter as above which is actually not part of the list, or parameters - * before the actual list as well. This code is used by many functions which - * can function as "one to list" (see the RFC) */ - -int CommandParser::LoopCall(command_t* fn, char **parameters, int pcnt, userrec *u, int start, int end, int joins) + +int InspIRCd::PassCompare(Extensible* ex, const std::string &data, const std::string &input, const std::string &hashtype) { - char plist[MAXBUF]; - char *param; - char *pars[32]; - char blog[32][MAXBUF]; - char blog2[32][MAXBUF]; - int j = 0, q = 0, total = 0, t = 0, t2 = 0, total2 = 0; - char keystr[MAXBUF]; - char moo[MAXBUF]; - - for (int i = 0; i <32; i++) - strcpy(blog[i],""); - - for (int i = 0; i <32; i++) - strcpy(blog2[i],""); - - strcpy(moo,""); - for (int i = 0; i <10; i++) - { - if (!parameters[i]) - { - parameters[i] = moo; - } - } - if (joins) - { - if (pcnt > 1) /* we have a key to copy */ - { - strlcpy(keystr,parameters[1],MAXBUF); - } - } - - if (!parameters[start]) - { - return 0; - } - if (!strchr(parameters[start],',')) - { - return 0; - } - strcpy(plist,""); - for (int i = start; i <= end; i++) - { - if (parameters[i]) - { - strlcat(plist,parameters[i],MAXBUF); - } - } - - j = 0; - param = plist; - - t = strlen(plist); - for (int i = 0; i < t; i++) - { - if (plist[i] == ',') - { - plist[i] = '\0'; - strlcpy(blog[j++],param,MAXBUF); - param = plist+i+1; - if (j>20) - { - WriteServ(u->fd,"407 %s %s :Too many targets in list, message not delivered.",u->nick,blog[j-1]); - return 1; - } - } - } - strlcpy(blog[j++],param,MAXBUF); - total = j; - - if ((joins) && (keystr) && (total>0)) // more than one channel and is joining - { - strcat(keystr,","); - } - - if ((joins) && (keystr)) - { - if (strchr(keystr,',')) - { - j = 0; - param = keystr; - t2 = strlen(keystr); - for (int i = 0; i < t2; i++) - { - if (keystr[i] == ',') - { - keystr[i] = '\0'; - strlcpy(blog2[j++],param,MAXBUF); - param = keystr+i+1; - } - } - strlcpy(blog2[j++],param,MAXBUF); - total2 = j; - } - } - - for (j = 0; j < total; j++) - { - if (blog[j]) - { - pars[0] = blog[j]; - } - for (q = end; q < pcnt-1; q++) - { - if (parameters[q+1]) - { - pars[q-end+1] = parameters[q+1]; - } - } - if ((joins) && (parameters[1])) - { - if (pcnt > 1) - { - pars[1] = blog2[j]; - } - else - { - pars[1] = NULL; - } - } - /* repeatedly call the function with the hacked parameter list */ - if ((joins) && (pcnt > 1)) - { - if (pars[1]) - { - // pars[1] already set up and containing key from blog2[j] - fn->Handle(pars,2,u); - } - else - { - pars[1] = parameters[1]; - fn->Handle(pars,2,u); - } - } - else - { - fn->Handle(pars,pcnt-(end-start),u); - } - } - - return 1; + ModResult res; + FIRST_MOD_RESULT(OnPassCompare, res, (ex, data, input, hashtype)); + + /* Module matched */ + if (res == MOD_RES_ALLOW) + return 0; + + /* Module explicitly didnt match */ + if (res == MOD_RES_DENY) + return 1; + + /* We dont handle any hash types except for plaintext - Thanks tra26 */ + if (!hashtype.empty() && hashtype != "plaintext") + /* See below. 1 because they dont match */ + return 1; + + return (data != input); // this seems back to front, but returns 0 if they *match*, 1 else } -bool CommandParser::IsValidCommand(std::string &commandname, int pcnt, userrec * user) +/* LoopCall is used to call a command classes handler repeatedly based on the contents of a comma seperated list. + * There are two overriden versions of this method, one of which takes two potential lists and the other takes one. + * We need a version which takes two potential lists for JOIN, because a JOIN may contain two lists of items at once, + * the channel names and their keys as follows: + * JOIN #chan1,#chan2,#chan3 key1,,key3 + * Therefore, we need to deal with both lists concurrently. The first instance of this method does that by creating + * two instances of irc::commasepstream and reading them both together until the first runs out of tokens. + * The second version is much simpler and just has the one stream to read, and is used in NAMES, WHOIS, PRIVMSG etc. + * Both will only parse until they reach ServerInstance->Config->MaxTargets number of targets, to stop abuse via spam. + */ +int CommandParser::LoopCall(User* user, Command* CommandObj, const std::vector& parameters, unsigned int splithere, int extra, bool usemax) { - for (unsigned int i = 0; i < cmdlist.size(); i++) - { - if (cmdlist[i]->command == commandname) - { - if ((pcnt>=cmdlist[i]->min_params) && (cmdlist[i]->source != "")) - { - if ((strchr(user->modes,cmdlist[i]->flags_needed)) || (!cmdlist[i]->flags_needed)) - { - if (cmdlist[i]->flags_needed) - { - if ((user->HasPermission(commandname)) || (is_uline(user->server))) - { - return true; - } - else - { - return false; - } - } - return true; - } - } - } - } - return false; + if (splithere >= parameters.size()) + return 0; + + if (extra >= (signed)parameters.size()) + extra = -1; + + /* First check if we have more than one item in the list, if we don't we return zero here and the handler + * which called us just carries on as it was. + */ + if (parameters[splithere].find(',') == std::string::npos) + return 0; + + /** Some lame ircds will weed out dupes using some shitty O(n^2) algorithm. + * By using std::set (thanks for the idea w00t) we can cut this down a ton. + * ...VOOODOOOO! + */ + std::set dupes; + + /* Create two lists, one for channel names, one for keys + */ + irc::commasepstream items1(parameters[splithere]); + irc::commasepstream items2(extra >= 0 ? parameters[extra] : ""); + std::string extrastuff; + std::string item; + unsigned int max = 0; + + /* Attempt to iterate these lists and call the command objech + * which called us, for every parameter pair until there are + * no more left to parse. + */ + while (items1.GetToken(item) && (!usemax || max++ < ServerInstance->Config->MaxTargets)) + { + if (dupes.find(item.c_str()) == dupes.end()) + { + std::vector new_parameters(parameters); + + if (!items2.GetToken(extrastuff)) + extrastuff.clear(); + + new_parameters[splithere] = item; + if (extra >= 0) + new_parameters[extra] = extrastuff; + + CommandObj->Handle(new_parameters, user); + + dupes.insert(item.c_str()); + } + } + return 1; +} + +bool CommandParser::IsValidCommand(const std::string &commandname, unsigned int pcnt, User * user) +{ + Commandtable::iterator n = cmdlist.find(commandname); + + if (n != cmdlist.end()) + { + if ((pcnt >= n->second->min_params)) + { + if (IS_LOCAL(user) && n->second->flags_needed) + { + if (user->IsModeSet(n->second->flags_needed)) + { + return (user->HasPermission(commandname)); + } + } + else + { + return true; + } + } + } + return false; +} + +Command* CommandParser::GetHandler(const std::string &commandname) +{ + Commandtable::iterator n = cmdlist.find(commandname); + if (n != cmdlist.end()) + return n->second; + + return NULL; } // calls a handler function for a command -void CommandParser::CallHandler(std::string &commandname,char **parameters, int pcnt, userrec *user) +CmdResult CommandParser::CallHandler(const std::string &commandname, const std::vector& parameters, User *user) { - for (unsigned int i = 0; i < cmdlist.size(); i++) - { - if (cmdlist[i]->command == commandname) - { - if (pcnt>=cmdlist[i]->min_params) - { - if ((strchr(user->modes,cmdlist[i]->flags_needed)) || (!cmdlist[i]->flags_needed)) - { - if (cmdlist[i]->flags_needed) - { - if ((user->HasPermission(commandname)) || (is_uline(user->server))) - { - cmdlist[i]->Handle(parameters,pcnt,user); - } - } - else - { - cmdlist[i]->Handle(parameters,pcnt,user); - } - } - } - } - } + Commandtable::iterator n = cmdlist.find(commandname); + + if (n != cmdlist.end()) + { + if ((!parameters.empty()) && (parameters.back().empty()) && (!n->second->allow_empty_last_param)) + return CMD_INVALID; + + if (parameters.size() >= n->second->min_params) + { + bool bOkay = false; + + if (IS_LOCAL(user) && n->second->flags_needed) + { + /* if user is local, and flags are needed .. */ + + if (user->IsModeSet(n->second->flags_needed)) + { + /* if user has the flags, and now has the permissions, go ahead */ + if (user->HasPermission(commandname)) + bOkay = true; + } + } + else + { + /* remote or no flags required anyway */ + bOkay = true; + } + + if (bOkay) + { + return n->second->Handle(parameters,user); + } + } + } + return CMD_INVALID; } -int CommandParser::ProcessParameters(char **command_p,char *parameters) +bool CommandParser::ProcessCommand(LocalUser *user, std::string &cmd) { - int j = 0; - int q = strlen(parameters); - if (!q) - { - /* no parameters, command_p invalid! */ - return 0; - } - if (parameters[0] == ':') - { - command_p[0] = parameters+1; - return 1; - } - if (q) - { - if ((strchr(parameters,' ')==NULL) || (parameters[0] == ':')) - { - /* only one parameter */ - command_p[0] = parameters; - if (parameters[0] == ':') - { - if (strchr(parameters,' ') != NULL) - { - command_p[0]++; - } - } - return 1; - } - } - command_p[j++] = parameters; - for (int i = 0; i <= q; i++) - { - if (parameters[i] == ' ') - { - command_p[j++] = parameters+i+1; - parameters[i] = '\0'; - if (command_p[j-1][0] == ':') - { - *command_p[j-1]++; /* remove dodgy ":" */ - break; - /* parameter like this marks end of the sequence */ - } - } - } - return j; /* returns total number of items in the list */ + std::vector 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.size() <= MAXPARAMETERS)) + command_p.push_back(token); + + std::transform(command.begin(), command.end(), command.begin(), ::toupper); + + /* find the command, check it exists */ + Commandtable::iterator cm = cmdlist.find(command); + + // Penalty to give if the command fails before the handler is executed + unsigned int failpenalty = 0; + + /* Modify the user's penalty regardless of whether or not the command exists */ + bool do_more = true; + if (!user->HasPrivPermission("users/flood/no-throttle")) + { + // If it *doesn't* exist, give it a slightly heftier penalty than normal to deter flooding us crap + unsigned int penalty = (cm != cmdlist.end() ? cm->second->Penalty * 1000 : 2000); + user->CommandFloodPenalty += penalty; + + // Increase their penalty later if we fail and the command has 0 penalty by default (i.e. in Command::Penalty) to + // throttle sending ERR_* from the command parser. If the command does have a non-zero penalty then this is not + // needed because we've increased their penalty above. + if (penalty == 0) + failpenalty = 1000; + } + + + if (cm == cmdlist.end()) + { + ModResult MOD_RESULT; + FIRST_MOD_RESULT(OnPreCommand, MOD_RESULT, (command, command_p, user, false, cmd)); + if (MOD_RESULT == MOD_RES_DENY) + return true; + + /* + * This double lookup is in case a module (abbreviation) wishes to change a command. + * Sure, the double lookup is a bit painful, but bear in mind this only happens for unknowns anyway. + * + * Thanks dz for making me actually understand why this is necessary! + * -- w00t + */ + cm = cmdlist.find(command); + if (cm == cmdlist.end()) + { + if (user->registered == REG_ALL) + user->WriteNumeric(ERR_UNKNOWNCOMMAND, "%s %s :Unknown command",user->nick.c_str(),command.c_str()); + ServerInstance->stats->statsUnknown++; + return true; + } + } + + if (cm->second->max_params && command_p.size() > cm->second->max_params) + { + /* + * command_p input (assuming max_params 1): + * this + * is + * a + * test + */ + std::string lparam; + + /* + * The '-1' here is a clever trick, we'll go backwards throwing everything into a temporary param + * and then just toss that into the array. + * -- w00t + */ + while (command_p.size() > (cm->second->max_params - 1)) + { + // BE CAREFUL: .end() returns past the end of the vector, hence decrement. + std::vector::iterator it = command_p.end() - 1; + + lparam.insert(0, " " + *(it)); + command_p.erase(it); // remove last element + } + + /* we now have (each iteration): + * ' test' + * ' a test' + * ' is a test' <-- final string + * ...now remove the ' ' at the start... + */ + lparam.erase(lparam.begin()); + + /* param is now 'is a test', which is exactly what we wanted! */ + command_p.push_back(lparam); + } + + /* + * We call OnPreCommand here seperately 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)); + if (MOD_RESULT == MOD_RES_DENY) + return true; + + /* activity resets the ping pending timer */ + user->nping = ServerInstance->Time() + user->MyClass->GetPingTime(); + + if (cm->second->flags_needed) + { + if (!user->IsModeSet(cm->second->flags_needed)) + { + user->CommandFloodPenalty += failpenalty; + user->WriteNumeric(ERR_NOPRIVILEGES, "%s :Permission Denied - You do not have the required operator privileges",user->nick.c_str()); + return do_more; + } + if (!user->HasPermission(command)) + { + user->CommandFloodPenalty += failpenalty; + user->WriteNumeric(ERR_NOPRIVILEGES, "%s :Permission Denied - Oper type %s does not have access to command %s", + user->nick.c_str(), user->oper->NameStr(), command.c_str()); + return do_more; + } + } + if ((user->registered == REG_ALL) && (!IS_OPER(user)) && (cm->second->IsDisabled())) + { + /* command is disabled! */ + user->CommandFloodPenalty += failpenalty; + if (ServerInstance->Config->DisabledDontExist) + { + user->WriteNumeric(ERR_UNKNOWNCOMMAND, "%s %s :Unknown command",user->nick.c_str(),command.c_str()); + } + else + { + user->WriteNumeric(ERR_UNKNOWNCOMMAND, "%s %s :This command has been disabled.", + user->nick.c_str(), 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 do_more; + } + + if ((!command_p.empty()) && (command_p.back().empty()) && (!cm->second->allow_empty_last_param)) + command_p.pop_back(); + + if (command_p.size() < cm->second->min_params) + { + user->CommandFloodPenalty += failpenalty; + user->WriteNumeric(ERR_NEEDMOREPARAMS, "%s %s :Not enough parameters.", user->nick.c_str(), command.c_str()); + if ((ServerInstance->Config->SyntaxHints) && (user->registered == REG_ALL) && (cm->second->syntax.length())) + user->WriteNumeric(RPL_SYNTAX, "%s :SYNTAX %s %s", user->nick.c_str(), cm->second->name.c_str(), cm->second->syntax.c_str()); + return do_more; + } + if ((user->registered != REG_ALL) && (!cm->second->WorksBeforeReg())) + { + user->CommandFloodPenalty += failpenalty; + user->WriteNumeric(ERR_NOTREGISTERED, "%s %s :You have not registered", user->nick.c_str(), command.c_str()); + return do_more; + } + else + { + /* passed all checks.. first, do the (ugly) stats counters. */ + cm->second->use_count++; + cm->second->total_bytes += cmd.length(); + + /* module calls too */ + FIRST_MOD_RESULT(OnPreCommand, MOD_RESULT, (command, command_p, user, true, cmd)); + if (MOD_RESULT == MOD_RES_DENY) + return do_more; + + /* + * WARNING: be careful, the user may be deleted soon + */ + CmdResult result = cm->second->Handle(command_p, user); + + FOREACH_MOD(I_OnPostCommand,OnPostCommand(command, command_p, user, result,cmd)); + return do_more; + } } -void CommandParser::ProcessCommand(userrec *user, char* cmd) +void CommandParser::RemoveCommand(Command* x) { - char *parameters; - char *command; - char *command_p[127]; - char p[MAXBUF], temp[MAXBUF]; - int j, items, cmd_found; - - for (int i = 0; i < 127; i++) - command_p[i] = NULL; - - if (!user) - { - return; - } - if (!cmd) - { - return; - } - if (!cmd[0]) - { - return; - } - - int total_params = 0; - if (strlen(cmd)>2) - { - for (unsigned int q = 0; q < strlen(cmd)-1; q++) - { - if ((cmd[q] == ' ') && (cmd[q+1] == ':')) - { - total_params++; - // found a 'trailing', we dont count them after this. - break; - } - if (cmd[q] == ' ') - total_params++; - } - } - - // another phidjit bug... - if (total_params > 126) - { - *(strchr(cmd,' ')) = '\0'; - WriteServ(user->fd,"421 %s %s :Too many parameters given",user->nick,cmd); - return; - } - - strlcpy(temp,cmd,MAXBUF); - - std::string tmp = cmd; - for (int i = 0; i <= MODCOUNT; i++) - { - std::string oldtmp = tmp; - modules[i]->OnServerRaw(tmp,true,user); - if (oldtmp != tmp) - { - log(DEBUG,"A Module changed the input string!"); - log(DEBUG,"New string: %s",tmp.c_str()); - log(DEBUG,"Old string: %s",oldtmp.c_str()); - break; - } - } - strlcpy(cmd,tmp.c_str(),MAXBUF); - strlcpy(temp,cmd,MAXBUF); - - if (!strchr(cmd,' ')) - { - /* no parameters, lets skip the formalities and not chop up - * the string */ - log(DEBUG,"About to preprocess command with no params"); - items = 0; - command_p[0] = NULL; - parameters = NULL; - for (unsigned int i = 0; i <= strlen(cmd); i++) - { - cmd[i] = toupper(cmd[i]); - } - command = cmd; - } - else - { - strcpy(cmd,""); - j = 0; - /* strip out extraneous linefeeds through mirc's crappy pasting (thanks Craig) */ - for (unsigned int i = 0; i < strlen(temp); i++) - { - if ((temp[i] != 10) && (temp[i] != 13) && (temp[i] != 0) && (temp[i] != 7)) - { - cmd[j++] = temp[i]; - cmd[j] = 0; - } - } - /* split the full string into a command plus parameters */ - parameters = p; - strcpy(p," "); - command = cmd; - if (strchr(cmd,' ')) - { - for (unsigned int i = 0; i <= strlen(cmd); i++) - { - /* capitalise the command ONLY, leave params intact */ - cmd[i] = toupper(cmd[i]); - /* are we nearly there yet?! :P */ - if (cmd[i] == ' ') - { - command = cmd; - parameters = cmd+i+1; - cmd[i] = '\0'; - break; - } - } - } - else - { - for (unsigned int i = 0; i <= strlen(cmd); i++) - { - cmd[i] = toupper(cmd[i]); - } - } - - } - cmd_found = 0; - - if (strlen(command)>MAXCOMMAND) - { - WriteServ(user->fd,"421 %s %s :Command too long",user->nick,command); - return; - } - - for (unsigned int x = 0; x < strlen(command); x++) - { - if (((command[x] < 'A') || (command[x] > 'Z')) && (command[x] != '.')) - { - if (((command[x] < '0') || (command[x]> '9')) && (command[x] != '-')) - { - if (strchr("@!\"$%^&*(){}[]_=+;:'#~,<>/?\\|`",command[x])) - { - ServerInstance->stats->statsUnknown++; - WriteServ(user->fd,"421 %s %s :Unknown command",user->nick,command); - return; - } - } - } - } - - std::string xcommand = command; - for (unsigned int i = 0; i != cmdlist.size(); i++) - { - if ((xcommand.length() >= cmdlist[i]->command.length()) && (xcommand == cmdlist[i]->command)) - { - if (parameters) - { - if (parameters[0]) - { - items = this->ProcessParameters(command_p,parameters); - } - else - { - items = 0; - command_p[0] = NULL; - } - } - else - { - items = 0; - command_p[0] = NULL; - } - - if (user) - { - /* activity resets the ping pending timer */ - user->nping = TIME + user->pingmax; - if ((items) < cmdlist[i]->min_params) - { - log(DEBUG,"not enough parameters: %s %s",user->nick,command); - WriteServ(user->fd,"461 %s %s :Not enough parameters",user->nick,command); - return; - } - if ((!strchr(user->modes,cmdlist[i]->flags_needed)) && (cmdlist[i]->flags_needed)) - { - log(DEBUG,"permission denied: %s %s",user->nick,command); - WriteServ(user->fd,"481 %s :Permission Denied- You do not have the required operator privilages",user->nick); - cmd_found = 1; - return; - } - if ((cmdlist[i]->flags_needed) && (!user->HasPermission(xcommand))) - { - log(DEBUG,"permission denied: %s %s",user->nick,command); - WriteServ(user->fd,"481 %s :Permission Denied- Oper type %s does not have access to command %s",user->nick,user->oper,command); - cmd_found = 1; - return; - } - /* if the command isnt USER, PASS, or NICK, and nick is empty, - * deny command! */ - if ((strncmp(command,"USER",4)) && (strncmp(command,"NICK",4)) && (strncmp(command,"PASS",4))) - { - if ((!isnick(user->nick)) || (user->registered != 7)) - { - log(DEBUG,"not registered: %s %s",user->nick,command); - WriteServ(user->fd,"451 %s :You have not registered",command); - return; - } - } - if ((user->registered == 7) && (!strchr(user->modes,'o'))) - { - std::stringstream dcmds(Config->DisabledCommands); - while (!dcmds.eof()) - { - std::string thiscmd; - dcmds >> thiscmd; - if (!strcasecmp(thiscmd.c_str(),command)) - { - // command is disabled! - WriteServ(user->fd,"421 %s %s :This command has been disabled.",user->nick,command); - return; - } - } - } - if ((user->registered == 7) || (!strncmp(command,"USER",4)) || (!strncmp(command,"NICK",4)) || (!strncmp(command,"PASS",4))) - { - /* ikky /stats counters */ - if (temp) - { - cmdlist[i]->use_count++; - cmdlist[i]->total_bytes+=strlen(temp); - } - - int MOD_RESULT = 0; - FOREACH_RESULT(OnPreCommand(command,command_p,items,user)); - if (MOD_RESULT == 1) { - return; - } - - /* WARNING: nothing may come after the - * command handler call, as the handler - * may free the user structure! */ - - cmdlist[i]->Handle(command_p,items,user); - return; - } - else - { - WriteServ(user->fd,"451 %s :You have not registered",command); - return; - } - } - cmd_found = 1; - } - } - if ((!cmd_found) && (user)) - { - ServerInstance->stats->statsUnknown++; - WriteServ(user->fd,"421 %s %s :Unknown command",user->nick,command); - } + Commandtable::iterator n = cmdlist.find(x->name); + if (n != cmdlist.end() && n->second == x) + cmdlist.erase(n); } -bool CommandParser::RemoveCommands(const char* source) +Command::~Command() { - bool go_again = true; - while (go_again) - { - go_again = false; - for (std::deque::iterator i = cmdlist.begin(); i != cmdlist.end(); i++) - { - command_t* x = (command_t*)*i; - if (x->source == std::string(source)) - { - log(DEBUG,"removecommands(%s) Removing dependent command: %s",x->source.c_str(),x->command.c_str()); - cmdlist.erase(i); - go_again = true; - break; - } - } - } - return true; + ServerInstance->Parser->RemoveCommand(this); } -void CommandParser::ProcessBuffer(const char* cmdbuf,userrec *user) +bool CommandParser::ProcessBuffer(std::string &buffer,LocalUser *user) { - if (!user) - { - log(DEFAULT,"*** BUG *** process_buffer was given an invalid parameter"); - return; - } - char cmd[MAXBUF]; - if (!cmdbuf) - { - log(DEFAULT,"*** BUG *** process_buffer was given an invalid parameter"); - return; - } - if (!cmdbuf[0]) - { - return; - } - while (*cmdbuf == ' ') cmdbuf++; // strip leading spaces - - strlcpy(cmd,cmdbuf,MAXBUF); - if (!cmd[0]) - { - return; - } - int sl = strlen(cmd)-1; - if ((cmd[sl] == 13) || (cmd[sl] == 10)) - { - cmd[sl] = '\0'; - } - sl = strlen(cmd)-1; - if ((cmd[sl] == 13) || (cmd[sl] == 10)) - { - cmd[sl] = '\0'; - } - sl = strlen(cmd)-1; - while (cmd[sl] == ' ') // strip trailing spaces - { - cmd[sl] = '\0'; - sl = strlen(cmd)-1; - } - - if (!cmd[0]) - { - return; - } - log(DEBUG,"CMDIN: %s %s",user->nick,cmd); - tidystring(cmd); - if ((user) && (cmd)) - { - this->ProcessCommand(user,cmd); - } + if (!user || buffer.empty()) + return true; + + ServerInstance->Logs->Log("USERINPUT", RAWIO, "C[%s] I :%s %s", + user->uuid.c_str(), user->nick.c_str(), buffer.c_str()); + return ProcessCommand(user,buffer); } -bool CommandParser::CreateCommand(command_t *f) +bool CommandParser::AddCommand(Command *f) { - /* create the command and push it onto the table */ - cmdlist.push_back(f); - log(DEBUG,"Added command %s (%lu parameters)",f->command.c_str(),(unsigned long)f->min_params); - return true; + /* create the command and push it onto the table */ + if (cmdlist.find(f->name) == cmdlist.end()) + { + cmdlist[f->name] = f; + return true; + } + return false; } CommandParser::CommandParser() { - this->SetupCommandTable(); } -void CommandParser::SetupCommandTable() +int CommandParser::TranslateUIDs(const std::vector to, const std::vector &source, std::string &dest, bool prefix_final, Command* custom_translator) { - this->CreateCommand(new cmd_user); - this->CreateCommand(new cmd_nick); - this->CreateCommand(new cmd_quit); - this->CreateCommand(new cmd_version); - this->CreateCommand(new cmd_ping); - this->CreateCommand(new cmd_pong); - this->CreateCommand(new cmd_admin); - this->CreateCommand(new cmd_privmsg); - this->CreateCommand(new cmd_info); - this->CreateCommand(new cmd_time); - this->CreateCommand(new cmd_whois); - this->CreateCommand(new cmd_wallops); - this->CreateCommand(new cmd_notice); - this->CreateCommand(new cmd_join); - this->CreateCommand(new cmd_names); - this->CreateCommand(new cmd_part); - this->CreateCommand(new cmd_kick); - this->CreateCommand(new cmd_mode); - this->CreateCommand(new cmd_topic); - this->CreateCommand(new cmd_who); - this->CreateCommand(new cmd_motd); - this->CreateCommand(new cmd_rules); - this->CreateCommand(new cmd_oper); - this->CreateCommand(new cmd_list); - this->CreateCommand(new cmd_die); - this->CreateCommand(new cmd_restart); - this->CreateCommand(new cmd_kill); - this->CreateCommand(new cmd_rehash); - this->CreateCommand(new cmd_lusers); - this->CreateCommand(new cmd_stats); - this->CreateCommand(new cmd_userhost); - this->CreateCommand(new cmd_away); - this->CreateCommand(new cmd_ison); - this->CreateCommand(new cmd_summon); - this->CreateCommand(new cmd_users); - this->CreateCommand(new cmd_invite); - this->CreateCommand(new cmd_pass); - this->CreateCommand(new cmd_trace); - this->CreateCommand(new cmd_whowas); - this->CreateCommand(new cmd_connect); - this->CreateCommand(new cmd_squit); - this->CreateCommand(new cmd_modules); - this->CreateCommand(new cmd_links); - this->CreateCommand(new cmd_map); - this->CreateCommand(new cmd_kline); - this->CreateCommand(new cmd_gline); - this->CreateCommand(new cmd_zline); - this->CreateCommand(new cmd_qline); - this->CreateCommand(new cmd_eline); - this->CreateCommand(new cmd_loadmodule); - this->CreateCommand(new cmd_unloadmodule); - this->CreateCommand(new cmd_server); - this->CreateCommand(new cmd_commands); + std::vector::const_iterator types = to.begin(); + User* user = NULL; + unsigned int i; + int translations = 0; + dest.clear(); + + for(i=0; i < source.size(); i++) + { + TranslateType t; + std::string item = source[i]; + + if (types == to.end()) + t = TR_TEXT; + else + { + t = *types; + types++; + } + + if (prefix_final && i == source.size() - 1) + dest.append(":"); + + switch (t) + { + case TR_NICK: + /* Translate single nickname */ + user = ServerInstance->FindNick(item); + if (user) + { + dest.append(user->uuid); + translations++; + } + else + dest.append(item); + break; + case TR_CUSTOM: + if (custom_translator) + custom_translator->EncodeParameter(item, i); + dest.append(item); + break; + case TR_END: + case TR_TEXT: + default: + /* Do nothing */ + dest.append(item); + break; + } + if (i != source.size() - 1) + dest.append(" "); + } + + return translations; } +int CommandParser::TranslateUIDs(TranslateType to, const std::string &source, std::string &dest) +{ + User* user = NULL; + int translations = 0; + dest.clear(); + + switch (to) + { + case TR_NICK: + /* Translate single nickname */ + user = ServerInstance->FindNick(source); + if (user) + { + dest = user->uuid; + translations++; + } + else + dest = source; + break; + case TR_END: + case TR_TEXT: + default: + /* Do nothing */ + dest = source; + break; + } + + return translations; +}