-/* +------------------------------------+
- * | Inspire Internet Relay Chat Daemon |
- * +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
*
- * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
- * E-mail:
- * <brain@chatspike.net>
- * <Craig@chatspike.net>
+ * 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) 2007-2009 Robin Burchell <robin+git@viroteck.net>
+ * Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
+ * Copyright (C) 2006-2008, 2010 Craig Edwards <brain@inspircd.org>
*
- * 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 <http://www.gnu.org/licenses/>.
*/
-using namespace std;
-#include "inspircd_config.h"
#include "inspircd.h"
-#include "inspircd_io.h"
-#include <unistd.h>
-#include <fcntl.h>
-#include <sys/errno.h>
-#include <sys/ioctl.h>
-#include <sys/utsname.h>
-#include <time.h>
-#include <string>
-#ifdef GCC3
-#include <ext/hash_map>
-#else
-#include <hash_map>
-#endif
-#include <map>
-#include <sstream>
-#include <vector>
-#include <deque>
-#include <sched.h>
-#ifdef THREADED_DNS
-#include <pthread.h>
-#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"
-
-#ifdef GCC3
-#define nspace __gnu_cxx
-#else
-#define nspace std
-#endif
-
-
-extern InspIRCd* ServerInstance;
-
-extern std::vector<Module*> modules;
-extern std::vector<ircd_module*> factory;
-extern std::vector<InspSocket*> module_sockets;
-extern std::vector<userrec*> local_users;
-
-extern int MODCOUNT;
-extern InspSocket* socket_ref[MAX_DESCRIPTORS];
-extern time_t TIME;
-
-// 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[MAX_DESCRIPTORS];
-
-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)
+
+bool InspIRCd::PassCompare(Extensible* ex, const std::string& data, const std::string& input, const std::string& hashtype)
{
- /* Copy of the parameter list, because like strltok, we make a bit of
- * a mess of the parameter string we're given, and we want to keep this
- * private.
- */
- char paramlist[MAXBUF];
- /* Temporary variable used to hold one split parameter
- */
- char *param;
- /* Parameter list, we can have up to 32 of these
- */
- char *pars[32];
- /* Seperated items, e.g. holds the #one and #two from "#one,#two"
- */
- char *sep_items[32];
- /* Seperated keys, holds the 'two' and 'three' of "two,three"
- */
- char *sep_keys[32];
- /* Misc. counters, the total values hold the total number of
- * seperated items in sep_items (total) and the total number of
- * seperated items in sep_keys (total2)
- */
- int j = 0, q = 0, total = 0, total2 = 0;
- /* A temporary copy of the comma seperated key list (see the description
- * of the paramlist variable)
- */
- char keylist[MAXBUF];
- /* Exactly what it says. Its nothing. We point invalid parameters at this.
- */
- char nothing = 0;
+ ModResult res;
+ FIRST_MOD_RESULT(OnPassCompare, res, (ex, data, input, hashtype));
- /* First, initialize our arrays */
- for (int i = 0; i < 32; i++)
- sep_items[i] = sep_keys[i] = NULL;
+ /* Module matched */
+ if (res == MOD_RES_ALLOW)
+ return true;
- /* Now find all parameters that are NULL, maybe above pcnt,
- * and for safety, point them at 'nothing'
- */
- for (int i = 0; i < 10; i++)
- {
- if (!parameters[i])
- {
- parameters[i] = ¬hing;
- }
- }
- /* Check if we're doing JOIN handling. JOIN has two lists in
- * it, potentially, if we have keys, so this is a special-case
- * to handle the keys if they are provided.
- */
- if (joins)
- {
- if (pcnt > 1) /* we have a key to copy */
- {
- strlcpy(keylist,parameters[1],MAXBUF);
- }
- }
+ /* Module explicitly didnt match */
+ if (res == MOD_RES_DENY)
+ return false;
- /* There's nothing to split! We don't do anything
- */
- if (!parameters[start] || (!strchr(parameters[start],',')))
- {
- return 0;
- }
+ /* We dont handle any hash types except for plaintext - Thanks tra26 */
+ if (!hashtype.empty() && !stdalgo::string::equalsci(hashtype, "plaintext"))
+ return false;
- /* This function can handle multiple comma seperated
- * lists as one, which is a feature no actual commands
- * have yet -- this is futureproofing in case we encounter
- * a command that does.
- */
- *paramlist = 0;
+ return TimingSafeCompare(data, input);
+}
- for (int i = start; i <= end; i++)
- {
- if (parameters[i])
- {
- strlcat(paramlist,parameters[i],MAXBUF);
- }
- }
+bool CommandParser::LoopCall(User* user, Command* handler, const CommandBase::Params& parameters, unsigned int splithere, int extra, bool usemax)
+{
+ if (splithere >= parameters.size())
+ return false;
- /* Now we split off paramlist into seperate parameters using
- * pointer voodoo, this parameter list goes into sep_items
+ /* 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.
*/
- j = 0;
- param = paramlist;
-
- for (char* i = paramlist; *i; i++)
- {
- /* Found an item */
- if (*i == ',')
- {
- *i = '\0';
- sep_items[j++] = param;
- /* Iterate along to next item, if there is one */
- param = i+1;
- if ((unsigned int)j > Config->MaxTargets)
- {
- /* BZZT! Too many items */
- WriteServ(u->fd,"407 %s %s :Too many targets in list, message not delivered.",u->nick,sep_items[j-1]);
- return 1;
- }
- }
- }
- sep_items[j++] = param;
- total = j;
-
- /* We add this extra comma here just to ensure we get all the keys
- * in the event the user gave a malformed key string (yes, you guessed
- * it, this is a mirc-ism)
+ 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).
*/
- if ((joins) && (*keylist) && (total>0)) // more than one channel and is joining
- {
- charlcat(keylist,',',MAXBUF);
- }
+ insp::flat_set<std::string, irc::insensitive_swo> dupes;
+ bool check_dupes = (extra < 0);
- /* If we're doing JOIN handling (e.g. we've had to kludge for two
- * lists being handled at once, real smart by the way JRO </sarcasm>)
- * and we also have keys, we must seperate out this key list into
- * our char** list sep_keys for later use.
+ /* 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"
*/
- if ((joins) && (*keylist))
- {
- /* There is more than one key */
- if (strchr(keylist,','))
- {
- j = 0;
- param = keylist;
- for (char* i = keylist; *i; i++)
- {
- if (*i == ',')
- {
- *i = '\0';
- sep_keys[j++] = param;
- param = i+1;
- }
- }
-
- sep_keys[j++] = param;
- total2 = j;
- }
- }
-
- /* Now the easier bit. We call the command class's Handle function
- * X times, where x is the number of parameters we've 'collated'.
+ 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.
*/
- for (j = 0; j < total; j++)
+ CommandBase::Params splitparams(parameters);
+ while (items1.GetToken(item) && (!usemax || max++ < ServerInstance->Config->MaxTargets))
{
- if (sep_items[j])
+ if ((!check_dupes) || (dupes.insert(item).second))
{
- pars[0] = sep_items[j];
- }
+ splitparams[splithere] = item;
- 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)
+ if (extra >= 0)
{
- pars[1] = sep_keys[j];
+ // 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);
+ splitparams[extra] = item;
}
- 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 sep_keys[j] */
- fn->Handle(pars,2,u);
- }
- else
+ CmdResult result = handler->Handle(user, splitparams);
+ if (localuser)
{
- pars[1] = parameters[1];
- fn->Handle(pars,2,u);
+ // 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, splitparams, localuser, result, true));
}
}
- else
- {
- fn->Handle(pars,pcnt-(end-start),u);
- }
}
- return 1;
+ return true;
}
-bool CommandParser::IsValidCommand(std::string &commandname, int pcnt, userrec * user)
+Command* CommandParser::GetHandler(const std::string &commandname)
{
- nspace::hash_map<std::string,command_t*>::iterator n = cmdlist.find(commandname);
-
+ CommandMap::iterator n = cmdlist.find(commandname);
if (n != cmdlist.end())
- {
- if ((pcnt>=n->second->min_params) && (n->second->source != "<core>"))
- {
- if ((strchr(user->modes,n->second->flags_needed)) || (!n->second->flags_needed))
- {
- if (n->second->flags_needed)
- {
- if ((user->HasPermission(commandname)) || (is_uline(user->server)))
- {
- return true;
- }
- else
- {
- return false;
- }
- }
-
- return true;
- }
- }
- }
+ return n->second;
- return false;
+ return NULL;
}
// calls a handler function for a command
-bool CommandParser::CallHandler(std::string &commandname,char **parameters, int pcnt, userrec *user)
+CmdResult CommandParser::CallHandler(const std::string& commandname, const CommandBase::Params& parameters, User* user, Command** cmd)
{
- nspace::hash_map<std::string,command_t*>::iterator n = cmdlist.find(commandname);
+ CommandMap::iterator n = cmdlist.find(commandname);
if (n != cmdlist.end())
{
- if (pcnt >= n->second->min_params)
+ if ((!parameters.empty()) && (parameters.back().empty()) && (!n->second->allow_empty_last_param))
+ return CMD_INVALID;
+
+ if (parameters.size() >= n->second->min_params)
{
- if ((strchr(user->modes,n->second->flags_needed)) || (!n->second->flags_needed))
+ bool bOkay = false;
+
+ if (IS_LOCAL(user) && n->second->flags_needed)
{
- if (n->second->flags_needed)
- {
- if ((user->HasPermission(commandname)) || (!IS_LOCAL(user)))
- {
- n->second->Handle(parameters,pcnt,user);
- return true;
- }
- }
- else
+ /* if user is local, and flags are needed .. */
+
+ if (user->IsModeSet(n->second->flags_needed))
{
- n->second->Handle(parameters,pcnt,user);
- return true;
+ /* if user has the flags, and now has the permissions, go ahead */
+ if (user->HasCommandPermission(commandname))
+ bOkay = true;
}
}
- }
- }
- return false;
-}
-
-int CommandParser::ProcessParameters(char **command_p,char *parameters)
-{
- int j = 0;
- //int q = strlen(parameters);
-
- if (!*parameters)
- {
- /* no parameters, command_p invalid! */
- return 0;
- }
-
- if (*parameters == ':')
- {
- command_p[0] = parameters+1;
- return 1;
- }
-
- if (*parameters)
- {
- char* n = strchr(parameters,' ');
- if ((!n) || (*parameters == ':'))
- {
- /* only one parameter */
- command_p[0] = parameters;
- if (*parameters == ':')
+ else
{
- if (n)
- {
- command_p[0]++;
- }
+ /* remote or no flags required anyway */
+ bOkay = true;
}
- return 1;
- }
- }
-
- command_p[j++] = parameters;
-
- for (char* i = parameters; *i; i++)
- {
- if (*i == ' ')
- {
- command_p[j++] = i+1;
- *i = '\0';
-
- if (*command_p[j-1] == ':')
+ if (bOkay)
{
- *command_p[j-1]++; /* remove dodgy ":" */
- break;
- /* parameter like this marks end of the sequence */
+ if (cmd)
+ *cmd = n->second;
+
+ ClientProtocol::TagMap tags;
+ return n->second->Handle(user, CommandBase::Params(parameters, tags));
}
}
}
- return j; /* returns total number of items in the list */
+ return CMD_INVALID;
}
-void CommandParser::ProcessCommand(userrec *user, char* cmd)
+void CommandParser::ProcessCommand(LocalUser* user, std::string& command, CommandBase::Params& command_p)
{
- char *parameters;
- char *command;
- char *command_p[127];
- char p[MAXBUF], temp[MAXBUF];
- int j, items, cmd_found;
- int total_params = 0;
+ /* find the command, check it exists */
+ Command* handler = GetHandler(command);
- for (int i = 0; i < 127; i++)
- command_p[i] = NULL;
+ // Penalty to give if the command fails before the handler is executed
+ unsigned int failpenalty = 0;
- if (!user || !cmd || !*cmd)
+ /* Modify the user's penalty regardless of whether or not the command exists */
+ if (!user->HasPrivPermission("users/flood/no-throttle"))
{
- return;
- }
+ // 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;
- char* first_space = NULL;
+ // 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 the command is > 2 characters (quick and dirty way to find out) */
- if (*cmd && *(cmd+1) && *(cmd+2))
+ if (!handler)
{
- for (char* q = cmd; *q; q++)
+ ModResult MOD_RESULT;
+ FIRST_MOD_RESULT(OnPreCommand, MOD_RESULT, (command, command_p, user, false));
+ if (MOD_RESULT == MOD_RES_DENY)
{
- if (*q == ' ')
- {
- first_space = q;
- if (*(q+1) == ':')
- {
- total_params++;
- // found a 'trailing', we dont count them after this.
- break;
- }
- else
- total_params++;
- }
+ FOREACH_MOD(OnCommandBlocked, (command, command_p, user));
+ return;
}
- }
- // another phidjit bug...
- if (total_params > 126)
- {
- *first_space = 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)
+ /*
+ * 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)
{
- 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;
+ if (user->registered == REG_ALL)
+ user->WriteNumeric(ERR_UNKNOWNCOMMAND, command, "Unknown command");
+
+ ServerInstance->stats.Unknown++;
+ FOREACH_MOD(OnCommandBlocked, (command, command_p, user));
+ return;
}
}
- strlcpy(cmd,tmp.c_str(),MAXBUF);
- strlcpy(temp,cmd,MAXBUF);
-
- char* has_space = strchr(cmd,' ');
- int cm_length = 0;
- if (!has_space)
+ // 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)
{
/*
- * no parameters, lets skip the formalities and not chop up
- * the string
+ * command_p input (assuming max_params 1):
+ * this
+ * is
+ * a
+ * test
*/
- log(DEBUG,"About to preprocess command with no params");
- items = 0;
- command_p[0] = NULL;
- parameters = NULL;
- for (char* i = cmd; *i; i++,cm_length++)
- *i = toupper(*i);
- command = cmd;
- }
- else
- {
- *cmd = 0;
- j = 0;
- /* strip out extraneous linefeeds through mirc's crappy pasting (thanks Craig) */
- for (char* i = temp; *i; i++)
- {
- if ((*i != 10) && (*i != 13) && (*i != 0) && (*i != 7))
- {
- cmd[j++] = *i;
- }
- }
- cmd[j] = 0;
-
- /* split the full string into a command plus parameters */
- parameters = p;
- p[0] = ' ';
- p[1] = 0;
+ // Iterator to the last parameter that will be kept
+ const CommandBase::Params::iterator lastkeep = command_p.begin() + (handler->max_params - 1);
+ // Iterator to the first excess parameter
+ const CommandBase::Params::iterator firstexcess = lastkeep + 1;
- command = cmd;
-
- if (has_space)
+ // Append all excess parameter(s) to the last parameter, separated by spaces
+ for (CommandBase::Params::const_iterator i = firstexcess; i != command_p.end(); ++i)
{
- for (char* i = cmd; *i; i++)
- {
- /* capitalise the command ONLY, leave params intact */
- *i = toupper(*i);
- /* are we nearly there yet?! :P */
- if (*i == ' ')
- {
- command = cmd;
- parameters = i+1;
- *i = 0;
- break;
- }
- }
- }
- else
- {
- for (char* i = cmd; *i; i++,cm_length++)
- {
- *i = toupper(*i);
- }
+ lastkeep->push_back(' ');
+ lastkeep->append(*i);
}
+
+ // Erase the excess parameter(s)
+ command_p.erase(firstexcess, command_p.end());
}
- if (cm_length > MAXCOMMAND)
+ /*
+ * 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));
+ if (MOD_RESULT == MOD_RES_DENY)
{
- WriteServ(user->fd,"421 %s %s :Command too long",user->nick,command);
+ FOREACH_MOD(OnCommandBlocked, (command, command_p, user));
return;
}
- for (char* x = command; *x; x++)
+ /* activity resets the ping pending timer */
+ user->nextping = ServerInstance->Time() + user->MyClass->GetPingTime();
+
+ if (handler->flags_needed)
{
- if (((*x < 'A') || (*x > 'Z')) && (*x != '.'))
+ if (!user->IsModeSet(handler->flags_needed))
{
- if (((*x < '0') || (*x> '9')) && (*x != '-'))
- {
- if (strchr("@!\"$%^&*(){}[]_=+;:'#~,<>/?\\|`",*x))
- {
- ServerInstance->stats->statsUnknown++;
- WriteServ(user->fd,"421 %s %s :Unknown command",user->nick,command);
- return;
- }
- }
+ user->CommandFloodPenalty += failpenalty;
+ user->WriteNumeric(ERR_NOPRIVILEGES, "Permission Denied - You do not have the required operator privileges");
+ FOREACH_MOD(OnCommandBlocked, (command, command_p, user));
+ return;
+ }
+
+ if (!user->HasCommandPermission(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()));
+ FOREACH_MOD(OnCommandBlocked, (command, command_p, user));
+ return;
}
}
- std::string xcommand = command;
- if ((user->registered != 7) && (xcommand == "SERVER"))
+ if ((!command_p.empty()) && (command_p.back().empty()) && (!handler->allow_empty_last_param))
+ command_p.pop_back();
+
+ if (command_p.size() < handler->min_params)
{
- kill_link(user,"Server connection to non-server port");
+ user->CommandFloodPenalty += failpenalty;
+ handler->TellNotEnoughParameters(user, command_p);
+ FOREACH_MOD(OnCommandBlocked, (command, command_p, user));
return;
}
-
- /* Tweak by brain - why was this INSIDE the mainloop? */
- if (parameters)
+
+ if ((user->registered != REG_ALL) && (!handler->works_before_reg))
{
- if (parameters[0])
- {
- items = this->ProcessParameters(command_p,parameters);
- }
- else
- {
- items = 0;
- command_p[0] = NULL;
- }
+ user->CommandFloodPenalty += failpenalty;
+ handler->TellNotRegistered(user, command_p);
+ FOREACH_MOD(OnCommandBlocked, (command, command_p, user));
}
else
{
- items = 0;
- command_p[0] = NULL;
- }
+ /* passed all checks.. first, do the (ugly) stats counters. */
+ handler->use_count++;
- int MOD_RESULT = 0;
- FOREACH_RESULT(I_OnPreCommand,OnPreCommand(command,command_p,items,user,false));
- if (MOD_RESULT == 1) {
- return;
- }
-
- nspace::hash_map<std::string,command_t*>::iterator cm = cmdlist.find(xcommand);
-
- if (cm != cmdlist.end())
- {
- if (user)
+ /* module calls too */
+ FIRST_MOD_RESULT(OnPreCommand, MOD_RESULT, (command, command_p, user, true));
+ if (MOD_RESULT == MOD_RES_DENY)
{
- /* activity resets the ping pending timer */
- user->nping = TIME + user->pingmax;
- if ((items) < cm->second->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,cm->second->flags_needed)) && (cm->second->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 ((cm->second->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);
- if (!IS_LOCAL(user))
- WriteOpers("*** \2WARNING\2: Command '%s' not allowed for oper '%s', dropped.",command,user->nick);
- 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) && (!*user->oper) && (*Config->DisabledCommands))
- {
- std::stringstream dcmds(Config->DisabledCommands);
- std::string thiscmd;
- while (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)
- {
- cm->second->use_count++;
- cm->second->total_bytes+=strlen(temp);
- }
-
- int MOD_RESULT = 0;
- FOREACH_RESULT(I_OnPreCommand,OnPreCommand(command,command_p,items,user,true));
- if (MOD_RESULT == 1)
- {
- return;
- }
+ FOREACH_MOD(OnCommandBlocked, (command, command_p, user));
+ return;
+ }
- /*
- * WARNING: nothing may come after the
- * command handler call, as the handler
- * may free the user structure!
- */
+ /*
+ * WARNING: be careful, the user may be deleted soon
+ */
+ CmdResult result = handler->Handle(user, command_p);
- cm->second->Handle(command_p,items,user);
- return;
- }
- else
- {
- WriteServ(user->fd,"451 %s :You have not registered",command);
- return;
- }
- }
- }
- else if (user)
- {
- ServerInstance->stats->statsUnknown++;
- WriteServ(user->fd,"421 %s %s :Unknown command",user->nick,command);
+ FOREACH_MOD(OnPostCommand, (handler, command_p, user, result, false));
}
}
-bool CommandParser::RemoveCommands(const char* source)
+void CommandParser::RemoveCommand(Command* x)
{
- bool go_again = true;
-
- while (go_again)
- {
- go_again = false;
-
- for (nspace::hash_map<std::string,command_t*>::iterator i = cmdlist.begin(); i != cmdlist.end(); i++)
- {
- command_t* x = i->second;
- 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;
+ CommandMap::iterator n = cmdlist.find(x->name);
+ if (n != cmdlist.end() && n->second == x)
+ cmdlist.erase(n);
}
-void CommandParser::ProcessBuffer(const char* cmdbuf,userrec *user)
+void CommandParser::ProcessBuffer(LocalUser* user, const std::string& buffer)
{
- char cmd[MAXBUF];
-
- if (!user || !cmdbuf || !*cmdbuf)
- {
- log(DEFAULT,"*** BUG *** process_buffer was given an invalid parameter");
- return;
- }
-
- while (*cmdbuf == ' ') cmdbuf++; // strip leading spaces
-
- if (!*cmdbuf)
- return;
-
- strlcpy(cmd,cmdbuf,MAXBUF);
-
- while (charremove(cmd,10));
- while (charremove(cmd,13));
-
- int sl = strlen(cmd)-1;
- while (sl && (cmd[sl] == ' ')) // strip trailing spaces
- {
- cmd[sl--] = 0;
- }
-
- if (!sl)
+ ClientProtocol::ParseOutput parseoutput;
+ if (!user->serializer->Parse(user, buffer, parseoutput))
return;
- log(DEBUG,"CMDIN: %s %s",user->nick,cmd);
-
- tidystring(cmd);
+ std::string& command = parseoutput.cmd;
+ std::transform(command.begin(), command.end(), command.begin(), ::toupper);
- if (user && cmd)
- {
- this->ProcessCommand(user,cmd);
- }
+ CommandBase::Params parameters(parseoutput.params, parseoutput.tags);
+ ProcessCommand(user, command, parameters);
}
-bool CommandParser::CreateCommand(command_t *f)
+bool CommandParser::AddCommand(Command *f)
{
/* create the command and push it onto the table */
- if (cmdlist.find(f->command) == cmdlist.end())
+ if (cmdlist.find(f->name) == cmdlist.end())
{
- cmdlist[f->command] = f;
- log(DEBUG,"Added command %s (%lu parameters)",f->command.c_str(),(unsigned long)f->min_params);
+ cmdlist[f->name] = f;
return true;
}
- else return false;
+ return false;
}
CommandParser::CommandParser()
{
- this->SetupCommandTable();
}
-void CommandParser::SetupCommandTable()
+std::string CommandParser::TranslateUIDs(const std::vector<TranslateType>& to, const CommandBase::Params& source, bool prefix_final, CommandBase* 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<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
+ }
+ /*@fallthrough@*/
+ default:
+ /* Do nothing */
+ dest.append(item);
+ break;
+ }
+}