-/* +------------------------------------+
\r * | Inspire Internet Relay Chat Daemon |
\r * +------------------------------------+
\r *
\r * InspIRCd: (C) 2002-2007 InspIRCd Development Team
\r * See: http://www.inspircd.org/wiki/index.php/Credits
\r *
\r * This program is free but copyrighted software; see
\r * the file COPYING for details.
\r *
\r * ---------------------------------------------------
\r */
\r\r#include "inspircd.h"
\r#include "configreader.h"
\r#include <algorithm>
\r#include "users.h"
\r#include "modules.h"
\r#include "wildcard.h"
\r#include "xline.h"
\r#include "socketengine.h"
\r#include "socket.h"
\r#include "command_parse.h"
\r\r/* Directory Searching for Unix-Only */
\r#ifndef WIN32
\r#include <dirent.h>
\r#include <dlfcn.h>
\r#endif
\r\rbool InspIRCd::ULine(const char* server)
\r{
\r if (!server)
\r return false;
\r if (!*server)
\r return true;
\r\r return (Config->ulines.find(server) != Config->ulines.end());
\r}
\r\rbool InspIRCd::SilentULine(const char* server)
\r{
\r std::map<irc::string,bool>::iterator n = Config->ulines.find(server);
\r if (n != Config->ulines.end())
\r return n->second;
\r else return false;
\r}
\r\rint InspIRCd::OperPassCompare(const char* data,const char* input, int tagnumber)
\r{
\r int MOD_RESULT = 0;
\r FOREACH_RESULT_I(this,I_OnOperCompare,OnOperCompare(data, input, tagnumber))
\r if (MOD_RESULT == 1)
\r return 0;
\r if (MOD_RESULT == -1)
\r return 1;
\r return strcmp(data,input);
\r}
\r\rstd::string InspIRCd::TimeString(time_t curtime)
\r{
\r return std::string(ctime(&curtime),24);
\r}
\r\r/** Refactored by Brain, Jun 2007. Much faster with some clever O(1) array
\r * lookups and pointer maths.
\r */
\rlong InspIRCd::Duration(const std::string &str)
\r{
\r unsigned char multiplier = 0;
\r long total = 0;
\r long times = 1;
\r long subtotal = 0;
\r\r /* Iterate each item in the string, looking for number or multiplier */
\r for (std::string::const_reverse_iterator i = str.rbegin(); i != str.rend(); ++i)
\r {
\r /* Found a number, queue it onto the current number */
\r if ((*i >= '0') && (*i <= '9'))
\r {
\r subtotal = subtotal + ((*i - '0') * times);
\r times = times * 10;
\r }
\r else
\r {
\r /* Found something thats not a number, find out how much
\r * it multiplies the built up number by, multiply the total
\r * and reset the built up number.
\r */
\r if (subtotal)
\r total += subtotal * duration_multi[multiplier];
\r\r /* Next subtotal please */
\r subtotal = 0;
\r multiplier = *i;
\r times = 1;
\r }
\r }
\r if (multiplier)
\r {
\r total += subtotal * duration_multi[multiplier];
\r subtotal = 0;
\r }
\r /* Any trailing values built up are treated as raw seconds */
\r return total + subtotal;
\r}
\r\r/* LoopCall is used to call a command classes handler repeatedly based on the contents of a comma seperated list.
\r * There are two overriden versions of this method, one of which takes two potential lists and the other takes one.
\r * We need a version which takes two potential lists for JOIN, because a JOIN may contain two lists of items at once,
\r * the channel names and their keys as follows:
\r * JOIN #chan1,#chan2,#chan3 key1,,key3
\r * Therefore, we need to deal with both lists concurrently. The first instance of this method does that by creating
\r * two instances of irc::commasepstream and reading them both together until the first runs out of tokens.
\r * The second version is much simpler and just has the one stream to read, and is used in NAMES, WHOIS, PRIVMSG etc.
\r * Both will only parse until they reach ServerInstance->Config->MaxTargets number of targets, to stop abuse via spam.
\r */
\rint CommandParser::LoopCall(userrec* user, command_t* CommandObj, const char** parameters, int pcnt, unsigned int splithere, unsigned int extra)
\r{
\r /* First check if we have more than one item in the list, if we don't we return zero here and the handler
\r * which called us just carries on as it was.
\r */
\r if (!strchr(parameters[splithere],','))
\r return 0;
\r\r /** Some lame ircds will weed out dupes using some shitty O(n^2) algorithm.
\r * By using std::map (thanks for the idea w00t) we can cut this down a ton.
\r * ...VOOODOOOO!
\r */
\r std::map<irc::string, bool> dupes;
\r\r /* Create two lists, one for channel names, one for keys
\r */
\r irc::commasepstream items1(parameters[splithere]);
\r irc::commasepstream items2(parameters[extra]);
\r std::string item("*");
\r unsigned int max = 0;
\r\r /* Attempt to iterate these lists and call the command objech
\r * which called us, for every parameter pair until there are
\r * no more left to parse.
\r */
\r while (((item = items1.GetToken()) != "") && (max++ < ServerInstance->Config->MaxTargets))
\r {
\r if (dupes.find(item.c_str()) == dupes.end())
\r {
\r const char* new_parameters[127];
\r\r for (int t = 0; (t < pcnt) && (t < 127); t++)
\r new_parameters[t] = parameters[t];
\r\r std::string extrastuff = items2.GetToken();
\r\r new_parameters[splithere] = item.c_str();
\r new_parameters[extra] = extrastuff.c_str();
\r\r CommandObj->Handle(new_parameters,pcnt,user);
\r\r dupes[item.c_str()] = true;
\r }
\r }
\r return 1;
\r}
\r\rint CommandParser::LoopCall(userrec* user, command_t* CommandObj, const char** parameters, int pcnt, unsigned int splithere)
\r{
\r /* First check if we have more than one item in the list, if we don't we return zero here and the handler
\r * which called us just carries on as it was.
\r */
\r if (!strchr(parameters[splithere],','))
\r return 0;
\r\r std::map<irc::string, bool> dupes;
\r\r /* Only one commasepstream here */
\r irc::commasepstream items1(parameters[splithere]);
\r std::string item("*");
\r unsigned int max = 0;
\r\r /* Parse the commasepstream until there are no tokens remaining.
\r * Each token we parse out, call the command handler that called us
\r * with it
\r */
\r while (((item = items1.GetToken()) != "") && (max++ < ServerInstance->Config->MaxTargets))
\r {
\r if (dupes.find(item.c_str()) == dupes.end())
\r {
\r const char* new_parameters[127];
\r\r for (int t = 0; (t < pcnt) && (t < 127); t++)
\r new_parameters[t] = parameters[t];
\r\r new_parameters[splithere] = item.c_str();
\r\r parameters[splithere] = item.c_str();
\r\r /* Execute the command handler over and over. If someone pulls our user
\r * record out from under us (e.g. if we /kill a comma sep list, and we're
\r * in that list ourselves) abort if we're gone.
\r */
\r CommandObj->Handle(new_parameters,pcnt,user);
\r\r dupes[item.c_str()] = true;
\r }
\r }
\r /* By returning 1 we tell our caller that nothing is to be done,
\r * as all the previous calls handled the data. This makes the parent
\r * return without doing any processing.
\r */
\r return 1;
\r}
\r\rbool CommandParser::IsValidCommand(const std::string &commandname, int pcnt, userrec * user)
\r{
\r command_table::iterator n = cmdlist.find(commandname);
\r\r if (n != cmdlist.end())
\r {
\r if ((pcnt>=n->second->min_params) && (n->second->source != "<core>"))
\r {
\r if ((!n->second->flags_needed) || (user->modes[n->second->flags_needed-65]))
\r {
\r if (n->second->flags_needed)
\r {
\r return ((user->HasPermission(commandname)) || (ServerInstance->ULine(user->server)));
\r }
\r return true;
\r }
\r }
\r }
\r return false;
\r}
\r\rcommand_t* CommandParser::GetHandler(const std::string &commandname)
\r{
\r command_table::iterator n = cmdlist.find(commandname);
\r if (n != cmdlist.end())
\r return n->second;
\r\r return NULL;
\r}
\r\r// calls a handler function for a command
\r\rCmdResult CommandParser::CallHandler(const std::string &commandname,const char** parameters, int pcnt, userrec *user)
\r{
\r command_table::iterator n = cmdlist.find(commandname);
\r\r if (n != cmdlist.end())
\r {
\r if (pcnt >= n->second->min_params)
\r {
\r if ((!n->second->flags_needed) || (user->modes[n->second->flags_needed-65]))
\r {
\r if (n->second->flags_needed)
\r {
\r if ((user->HasPermission(commandname)) || (!IS_LOCAL(user)))
\r {
\r return n->second->Handle(parameters,pcnt,user);
\r }
\r }
\r else
\r {
\r return n->second->Handle(parameters,pcnt,user);
\r }
\r }
\r }
\r }
\r return CMD_INVALID;
\r}
\r\rvoid CommandParser::ProcessCommand(userrec *user, std::string &cmd)
\r{
\r const char *command_p[127];
\r int items = 0;
\r irc::tokenstream tokens(cmd);
\r std::string command;
\r tokens.GetToken(command);
\r\r /* A client sent a nick prefix on their command (ick)
\r * rhapsody and some braindead bouncers do this --
\r * the rfc says they shouldnt but also says the ircd should
\r * discard it if they do.
\r */
\r if (*command.c_str() == ':')
\r tokens.GetToken(command);
\r\r while (tokens.GetToken(para[items]) && (items < 127))
\r {
\r command_p[items] = para[items].c_str();
\r items++;
\r }
\r\r std::transform(command.begin(), command.end(), command.begin(), ::toupper);
\r \r int MOD_RESULT = 0;
\r FOREACH_RESULT(I_OnPreCommand,OnPreCommand(command,command_p,items,user,false,cmd));
\r if (MOD_RESULT == 1) {
\r return;
\r }
\r\r command_table::iterator cm = cmdlist.find(command);
\r \r if (cm != cmdlist.end())
\r {
\r if (user)
\r {
\r /* activity resets the ping pending timer */
\r user->nping = ServerInstance->Time() + user->pingmax;
\r if (cm->second->flags_needed)
\r {
\r if (!user->IsModeSet(cm->second->flags_needed))
\r {
\r user->WriteServ("481 %s :Permission Denied - You do not have the required operator privileges",user->nick);
\r return;
\r }
\r if (!user->HasPermission(command))
\r {
\r user->WriteServ("481 %s :Permission Denied - Oper type %s does not have access to command %s",user->nick,user->oper,command.c_str());
\r return;
\r }
\r }
\r if ((user->registered == REG_ALL) && (!IS_OPER(user)) && (cm->second->IsDisabled()))
\r {
\r /* command is disabled! */
\r user->WriteServ("421 %s %s :This command has been disabled.",user->nick,command.c_str());
\r return;
\r }
\r if (items < cm->second->min_params)
\r {
\r user->WriteServ("461 %s %s :Not enough parameters.", user->nick, command.c_str());
\r /* If syntax is given, display this as the 461 reply */
\r if ((ServerInstance->Config->SyntaxHints) && (user->registered == REG_ALL) && (cm->second->syntax.length()))
\r user->WriteServ("304 %s :SYNTAX %s %s", user->nick, cm->second->command.c_str(), cm->second->syntax.c_str());
\r return;
\r }
\r if ((user->registered == REG_ALL) || (cm->second->WorksBeforeReg()))
\r {
\r /* ikky /stats counters */
\r cm->second->use_count++;
\r cm->second->total_bytes += cmd.length();
\r\r int MOD_RESULT = 0;
\r FOREACH_RESULT(I_OnPreCommand,OnPreCommand(command,command_p,items,user,true,cmd));
\r if (MOD_RESULT == 1)
\r return;
\r\r /*
\r * WARNING: nothing may come after the
\r * command handler call, as the handler
\r * may free the user structure!
\r */
\r CmdResult result = cm->second->Handle(command_p,items,user);
\r\r FOREACH_MOD(I_OnPostCommand,OnPostCommand(command, command_p, items, user, result,cmd));
\r return;
\r }
\r else
\r {
\r user->WriteServ("451 %s :You have not registered",command.c_str());
\r return;
\r }
\r }
\r }
\r else if (user)
\r {
\r ServerInstance->stats->statsUnknown++;
\r user->WriteServ("421 %s %s :Unknown command",user->nick,command.c_str());
\r }
\r}
\r\rbool CommandParser::RemoveCommands(const char* source)
\r{
\r command_table::iterator i,safei;
\r for (i = cmdlist.begin(); i != cmdlist.end(); i++)
\r {
\r safei = i;
\r safei++;
\r if (safei != cmdlist.end())
\r {
\r RemoveCommand(safei, source);
\r }
\r }
\r safei = cmdlist.begin();
\r if (safei != cmdlist.end())
\r {
\r RemoveCommand(safei, source);
\r }
\r return true;
\r}
\r\rvoid CommandParser::RemoveCommand(command_table::iterator safei, const char* source)
\r{
\r command_t* x = safei->second;
\r if (x->source == std::string(source))
\r {
\r cmdlist.erase(safei);
\r delete x;
\r }
\r}
\r\rvoid CommandParser::ProcessBuffer(std::string &buffer,userrec *user)
\r{
\r std::string::size_type a;
\r\r if (!user)
\r return;
\r\r while ((a = buffer.rfind("\n")) != std::string::npos)
\r buffer.erase(a);
\r while ((a = buffer.rfind("\r")) != std::string::npos)
\r buffer.erase(a);
\r\r if (buffer.length())
\r {
\r if (!user->muted)
\r {
\r ServerInstance->Log(DEBUG,"C[%d] -> :%s %s",user->GetFd(), user->nick, buffer.c_str());
\r this->ProcessCommand(user,buffer);
\r }
\r }
\r}
\r\rbool CommandParser::CreateCommand(command_t *f, void* so_handle)
\r{
\r if (so_handle)
\r {
\r if (RFCCommands.find(f->command) == RFCCommands.end())
\r RFCCommands[f->command] = so_handle;
\r else
\r {
\r ServerInstance->Log(DEFAULT,"ERK! Somehow, we loaded a cmd_*.so file twice! Only the first instance is being recorded.");
\r return false;
\r }
\r }
\r\r /* create the command and push it onto the table */
\r if (cmdlist.find(f->command) == cmdlist.end())
\r {
\r cmdlist[f->command] = f;
\r return true;
\r }
\r else return false;
\r}
\r\rCommandParser::CommandParser(InspIRCd* Instance) : ServerInstance(Instance)
\r{
\r para.resize(128);
\r this->SetupCommandTable();
\r}
\r\rbool CommandParser::FindSym(void** v, void* h)
\r{
\r *v = dlsym(h, "init_command");
\r const char* err = dlerror();
\r if (err && !(*v))
\r {
\r ServerInstance->Log(SPARSE, "Error loading core command: %s\n", err);
\r return false;
\r }
\r return true;
\r}
\r\rbool CommandParser::ReloadCommand(const char* cmd)
\r{
\r char filename[MAXBUF];
\r char commandname[MAXBUF];
\r int y = 0;
\r\r for (const char* x = cmd; *x; x++, y++)
\r commandname[y] = toupper(*x);
\r\r commandname[y] = 0;
\r\r SharedObjectList::iterator command = RFCCommands.find(commandname);
\r\r if (command != RFCCommands.end())
\r {
\r command_t* cmdptr = cmdlist.find(commandname)->second;
\r cmdlist.erase(cmdlist.find(commandname));
\r\r for (char* x = commandname; *x; x++)
\r *x = tolower(*x);
\r\r\r delete cmdptr;
\r dlclose(command->second);
\r RFCCommands.erase(command);
\r\r snprintf(filename, MAXBUF, "cmd_%s.so", commandname);
\r this->LoadCommand(filename);
\r\r return true;
\r }
\r\r return false;
\r}
\r\rCmdResult cmd_reload::Handle(const char** parameters, int pcnt, userrec *user)
\r{
\r user->WriteServ("NOTICE %s :*** Reloading command '%s'",user->nick, parameters[0]);
\r if (ServerInstance->Parser->ReloadCommand(parameters[0]))
\r {
\r user->WriteServ("NOTICE %s :*** Successfully reloaded command '%s'", user->nick, parameters[0]);
\r ServerInstance->WriteOpers("*** RELOAD: %s reloaded the '%s' command.", user->nick, parameters[0]);
\r return CMD_SUCCESS;
\r }
\r else
\r {
\r user->WriteServ("NOTICE %s :*** Could not reload command '%s'", user->nick, parameters[0]);
\r return CMD_FAILURE;
\r }
\r}
\r\rvoid CommandParser::LoadCommand(const char* name)
\r{
\r char filename[MAXBUF];
\r void* h;
\r command_t* (*cmd_factory_func)(InspIRCd*);
\r\r snprintf(filename, MAXBUF, "%s/%s", LIBRARYDIR, name);
\r h = dlopen(filename, RTLD_NOW | RTLD_GLOBAL);
\r\r if (!h)
\r {
\r ServerInstance->Log(SPARSE, "Error loading core command: %s", dlerror());
\r return;
\r }
\r\r if (this->FindSym((void **)&cmd_factory_func, h))
\r {
\r command_t* newcommand = cmd_factory_func(ServerInstance);
\r this->CreateCommand(newcommand, h);
\r }
\r}
\r\rvoid CommandParser::SetupCommandTable()
\r{
\r RFCCommands.clear();
\r\r printf("\nLoading core commands");
\r fflush(stdout);
\r\r DIR* library = opendir(LIBRARYDIR);
\r if (library)
\r {
\r dirent* entry = NULL;
\r while ((entry = readdir(library)))
\r {
\r if (match(entry->d_name, "cmd_*.so"))
\r {
\r printf(".");
\r fflush(stdout);
\r this->LoadCommand(entry->d_name);
\r }
\r }
\r closedir(library);
\r printf("\n");
\r }
\r\r this->CreateCommand(new cmd_reload(ServerInstance));
\r}
\r\r\ No newline at end of file
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
+ *
+ * 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>
+ *
+ * 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/>.
+ */
+
+
+#include "inspircd.h"
+
+bool InspIRCd::PassCompare(Extensible* ex, const std::string& data, const std::string& input, const std::string& hashtype)
+{
+ ModResult res;
+ FIRST_MOD_RESULT(OnPassCompare, res, (ex, data, input, hashtype));
+
+ /* Module matched */
+ if (res == MOD_RES_ALLOW)
+ return true;
+
+ /* Module explicitly didnt match */
+ if (res == MOD_RES_DENY)
+ return false;
+
+ /* We dont handle any hash types except for plaintext - Thanks tra26 */
+ if (!hashtype.empty() && 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)
+{
+ if (splithere >= parameters.size())
+ return false;
+
+ /* First check if we have more than one item in the list, if we don't we return false here and the handler
+ * which called us just carries on as it was.
+ */
+ if (parameters[splithere].find(',') == std::string::npos)
+ return false;
+
+ /** 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!
+ *
+ * Only check for duplicates if there is one list (allow them in JOIN).
+ */
+ insp::flat_set<irc::string> dupes;
+ bool check_dupes = (extra < 0);
+
+ /* Create two sepstreams, if we have only one list, then initialize the second sepstream with
+ * an empty string. The second parameter of the constructor of the sepstream tells whether
+ * or not to allow empty tokens.
+ * We allow empty keys, so "JOIN #a,#b ,bkey" will be interpreted as "JOIN #a", "JOIN #b bkey"
+ */
+ irc::commasepstream items1(parameters[splithere]);
+ irc::commasepstream items2(extra >= 0 ? parameters[extra] : "", true);
+ std::string item;
+ unsigned int max = 0;
+ LocalUser* localuser = IS_LOCAL(user);
+
+ /* Attempt to iterate these lists and call the command handler
+ * for every parameter or parameter pair until there are no more
+ * left to parse.
+ */
+ while (items1.GetToken(item) && (!usemax || max++ < ServerInstance->Config->MaxTargets))
+ {
+ if ((!check_dupes) || (dupes.insert(item.c_str()).second))
+ {
+ std::vector<std::string> new_parameters(parameters);
+ new_parameters[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;
+ }
+
+ CmdResult result = handler->Handle(new_parameters, user);
+ 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.
+ item.clear();
+ FOREACH_MOD(OnPostCommand, (handler, new_parameters, localuser, result, item));
+ }
+ }
+ }
+
+ return true;
+}
+
+Command* CommandParser::GetHandler(const std::string &commandname)
+{
+ CommandMap::iterator n = cmdlist.find(commandname);
+ if (n != cmdlist.end())
+ return n->second;
+
+ return NULL;
+}
+
+// calls a handler function for a command
+
+CmdResult CommandParser::CallHandler(const std::string& commandname, const std::vector<std::string>& parameters, User* user, Command** cmd)
+{
+ CommandMap::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)
+ {
+ if (cmd)
+ *cmd = n->second;
+ return n->second->Handle(parameters,user);
+ }
+ }
+ }
+ return CMD_INVALID;
+}
+
+void CommandParser::ProcessCommand(LocalUser *user, std::string &cmd)
+{
+ 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);
+
+ // 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 */
+ 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 = (handler ? handler->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 (!handler)
+ {
+ ModResult MOD_RESULT;
+ FIRST_MOD_RESULT(OnPreCommand, MOD_RESULT, (command, command_p, user, false, cmd));
+ if (MOD_RESULT == MOD_RES_DENY)
+ return;
+
+ /*
+ * 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
+ */
+ handler = GetHandler(command);
+ if (!handler)
+ {
+ if (user->registered == REG_ALL)
+ user->WriteNumeric(ERR_UNKNOWNCOMMAND, command, "Unknown command");
+ ServerInstance->stats.Unknown++;
+ return;
+ }
+ }
+
+ // If we were given more parameters than max_params then append the excess parameter(s)
+ // to command_p[maxparams-1], i.e. to the last param that is still allowed
+ if (handler->max_params && command_p.size() > handler->max_params)
+ {
+ /*
+ * command_p input (assuming max_params 1):
+ * this
+ * is
+ * a
+ * test
+ */
+
+ // Iterator to the last parameter that will be kept
+ const std::vector<std::string>::iterator lastkeep = command_p.begin() + (handler->max_params - 1);
+ // Iterator to the first excess parameter
+ const std::vector<std::string>::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)
+ {
+ lastkeep->push_back(' ');
+ lastkeep->append(*i);
+ }
+
+ // Erase the excess parameter(s)
+ command_p.erase(firstexcess, command_p.end());
+ }
+
+ /*
+ * 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;
+
+ /* activity resets the ping pending timer */
+ user->nping = 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");
+ return;
+ }
+
+ if (!user->HasPermission(command))
+ {
+ user->CommandFloodPenalty += failpenalty;
+ 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()));
+ return;
+ }
+ }
+
+ if ((user->registered == REG_ALL) && (!user->IsOper()) && (handler->IsDisabled()))
+ {
+ /* command is disabled! */
+ user->CommandFloodPenalty += failpenalty;
+ if (ServerInstance->Config->DisabledDontExist)
+ {
+ user->WriteNumeric(ERR_UNKNOWNCOMMAND, command, "Unknown command");
+ }
+ else
+ {
+ user->WriteNumeric(ERR_UNKNOWNCOMMAND, command, "This command has been disabled.");
+ }
+
+ 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, command, "Not enough parameters.");
+ if ((ServerInstance->Config->SyntaxHints) && (user->registered == REG_ALL) && (handler->syntax.length()))
+ user->WriteNumeric(RPL_SYNTAX, InspIRCd::Format("SYNTAX %s %s", handler->name.c_str(), handler->syntax.c_str()));
+ return;
+ }
+
+ if ((user->registered != REG_ALL) && (!handler->WorksBeforeReg()))
+ {
+ user->CommandFloodPenalty += failpenalty;
+ user->WriteNumeric(ERR_NOTREGISTERED, command, "You have not registered");
+ }
+ else
+ {
+ /* passed all checks.. first, do the (ugly) stats counters. */
+ handler->use_count++;
+
+ /* module calls too */
+ FIRST_MOD_RESULT(OnPreCommand, MOD_RESULT, (command, command_p, user, true, cmd));
+ if (MOD_RESULT == MOD_RES_DENY)
+ return;
+
+ /*
+ * WARNING: be careful, the user may be deleted soon
+ */
+ CmdResult result = handler->Handle(command_p, user);
+
+ FOREACH_MOD(OnPostCommand, (handler, command_p, user, result, cmd));
+ }
+}
+
+void CommandParser::RemoveCommand(Command* x)
+{
+ CommandMap::iterator n = cmdlist.find(x->name);
+ if (n != cmdlist.end() && n->second == 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 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 Command::RegisterService()
+{
+ if (!ServerInstance->Parser.AddCommand(this))
+ throw ModuleException("Command already exists: " + name);
+}
+
+void CommandParser::ProcessBuffer(std::string &buffer,LocalUser *user)
+{
+ if (buffer.empty())
+ 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);
+}
+
+bool CommandParser::AddCommand(Command *f)
+{
+ /* 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()
+{
+}
+
+std::string CommandParser::TranslateUIDs(const std::vector<TranslateType>& to, const std::vector<std::string>& source, bool prefix_final, CommandBase* custom_translator)
+{
+ std::vector<TranslateType>::const_iterator types = to.begin();
+ std::string dest;
+
+ for (unsigned int i = 0; i < source.size(); i++)
+ {
+ TranslateType t = TR_TEXT;
+ // They might supply less translation types than parameters,
+ // in that case pretend that all remaining types are TR_TEXT
+ if (types != to.end())
+ {
+ t = *types;
+ types++;
+ }
+
+ bool last = (i == (source.size() - 1));
+ if (prefix_final && last)
+ dest.push_back(':');
+
+ TranslateSingleParam(t, source[i], dest, custom_translator, i);
+
+ if (!last)
+ dest.push_back(' ');
+ }
+
+ return dest;
+}
+
+void CommandParser::TranslateSingleParam(TranslateType to, const std::string& item, std::string& dest, CommandBase* custom_translator, unsigned int paramnumber)
+{
+ switch (to)
+ {
+ case TR_NICK:
+ {
+ /* Translate single nickname */
+ User* user = ServerInstance->FindNick(item);
+ if (user)
+ dest.append(user->uuid);
+ else
+ dest.append(item);
+ break;
+ }
+ case TR_CUSTOM:
+ {
+ if (custom_translator)
+ {
+ std::string translated = item;
+ custom_translator->EncodeParameter(translated, paramnumber);
+ dest.append(translated);
+ break;
+ }
+ // If no custom translator was given, fall through
+ }
+ case TR_TEXT:
+ default:
+ /* Do nothing */
+ dest.append(item);
+ break;
+ }
+}
projects / user / henk / code / inspircd.git / blobdiff