'svn propset -R svn:eol-style CR *' Set to UNIX-style always. Binaries are auto skipped by svn.

git-svn-id: http://svn.inspircd.org/repository/trunk/inspircd@7454 e03df62e-2008-0410-955e-edbf42e46eb7

1 files changed, 1 insertions, 563 deletions

diff --git a/src/command_parse.cpp b/src/command_parse.cpp
index 52c58ef99..bf2e61ce9 100644
--- a/src/command_parse.cpp
+++ b/src/command_parse.cpp
@@ -1,563 +1 @@
-/*       +------------------------------------+
- *       | Inspire Internet Relay Chat Daemon |
- *       +------------------------------------+
- *
- *  InspIRCd: (C) 2002-2007 InspIRCd Development Team
- * See: http://www.inspircd.org/wiki/index.php/Credits
- *
- * This program is free but copyrighted software; see
- *            the file COPYING for details.
- *
- * ---------------------------------------------------
- */
-
-#include "inspircd.h"
-#include "configreader.h"
-#include <algorithm>
-#include "users.h"
-#include "modules.h"
-#include "wildcard.h"
-#include "xline.h"
-#include "socketengine.h"
-#include "socket.h"
-#include "command_parse.h"
-
-/* Directory Searching for Unix-Only */
-#ifndef WIN32
-#include <dirent.h>
-#include <dlfcn.h>
-#endif
-
-bool InspIRCd::ULine(const char* server)
-{
-	if (!server)
-		return false;
-	if (!*server)
-		return true;
-
-	return (Config->ulines.find(server) != Config->ulines.end());
-}
-
-bool InspIRCd::SilentULine(const char* server)
-{
-	std::map<irc::string,bool>::iterator n = Config->ulines.find(server);
-	if (n != Config->ulines.end())
-		return n->second;
-	else return false;
-}
-
-int InspIRCd::OperPassCompare(const char* data,const char* input, int tagnumber)
-{
-	int MOD_RESULT = 0;
-	FOREACH_RESULT_I(this,I_OnOperCompare,OnOperCompare(data, input, tagnumber))
-	if (MOD_RESULT == 1)
-		return 0;
-	if (MOD_RESULT == -1)
-		return 1;
-	return strcmp(data,input);
-}
-
-std::string InspIRCd::TimeString(time_t curtime)
-{
-	return std::string(ctime(&curtime),24);
-}
-
-/** Refactored by Brain, Jun 2007. Much faster with some clever O(1) array
- * lookups and pointer maths.
- */
-long InspIRCd::Duration(const std::string &str)
-{
-	unsigned char multiplier = 0;
-	long total = 0;
-	long times = 1;
-	long subtotal = 0;
-
-	/* Iterate each item in the string, looking for number or multiplier */
-	for (std::string::const_reverse_iterator i = str.rbegin(); i != str.rend(); ++i)
-	{
-		/* Found a number, queue it onto the current number */
-		if ((*i >= '0') && (*i <= '9'))
-		{
-			subtotal = subtotal + ((*i - '0') * times);
-			times = times * 10;
-		}
-		else
-		{
-			/* Found something thats not a number, find out how much
-			 * it multiplies the built up number by, multiply the total
-			 * and reset the built up number.
-			 */
-			if (subtotal)
-				total += subtotal * duration_multi[multiplier];
-
-			/* Next subtotal please */
-			subtotal = 0;
-			multiplier = *i;
-			times = 1;
-		}
-	}
-	if (multiplier)
-	{
-		total += subtotal * duration_multi[multiplier];
-		subtotal = 0;
-	}
-	/* Any trailing values built up are treated as raw seconds */
-	return total + subtotal;
-}
-
-/* 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(userrec* user, command_t* CommandObj, const char** parameters, int pcnt, unsigned int splithere, unsigned int extra)
-{
-	/* 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 (!strchr(parameters[splithere],','))
-		return 0;
-
-	/** Some lame ircds will weed out dupes using some shitty O(n^2) algorithm.
-	 * By using std::map (thanks for the idea w00t) we can cut this down a ton.
-	 * ...VOOODOOOO!
-	 */
-	std::map<irc::string, bool> dupes;
-
-	/* Create two lists, one for channel names, one for keys
-	 */
-	irc::commasepstream items1(parameters[splithere]);
-	irc::commasepstream items2(parameters[extra]);
-	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 (((item = items1.GetToken()) != "") && (max++ < ServerInstance->Config->MaxTargets))
-	{
-		if (dupes.find(item.c_str()) == dupes.end())
-		{
-			const char* new_parameters[127];
-
-			for (int t = 0; (t < pcnt) && (t < 127); t++)
-				new_parameters[t] = parameters[t];
-
-			std::string extrastuff = items2.GetToken();
-
-			new_parameters[splithere] = item.c_str();
-			new_parameters[extra] = extrastuff.c_str();
-
-			CommandObj->Handle(new_parameters,pcnt,user);
-
-			dupes[item.c_str()] = true;
-		}
-	}
-	return 1;
-}
-
-int CommandParser::LoopCall(userrec* user, command_t* CommandObj, const char** parameters, int pcnt, unsigned int splithere)
-{
-	/* 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 (!strchr(parameters[splithere],','))
-		return 0;
-
-	std::map<irc::string, bool> dupes;
-
-	/* Only one commasepstream here */
-	irc::commasepstream items1(parameters[splithere]);
-	std::string item("*");
-	unsigned int max = 0;
-
-	/* Parse the commasepstream until there are no tokens remaining.
-	 * Each token we parse out, call the command handler that called us
-	 * with it
-	 */
-	while (((item = items1.GetToken()) != "") && (max++ < ServerInstance->Config->MaxTargets))
-	{
-		if (dupes.find(item.c_str()) == dupes.end())
-		{
-			const char* new_parameters[127];
-
-			for (int t = 0; (t < pcnt) && (t < 127); t++)
-				new_parameters[t] = parameters[t];
-
-			new_parameters[splithere] = item.c_str();
-
-			parameters[splithere] = item.c_str();
-
-			/* Execute the command handler over and over. If someone pulls our user
-			 * record out from under us (e.g. if we /kill a comma sep list, and we're
-			 * in that list ourselves) abort if we're gone.
-			 */
-			CommandObj->Handle(new_parameters,pcnt,user);
-
-			dupes[item.c_str()] = true;
-		}
-	}
-	/* By returning 1 we tell our caller that nothing is to be done,
-	 * as all the previous calls handled the data. This makes the parent
-	 * return without doing any processing.
-	 */
-	return 1;
-}
-
-bool CommandParser::IsValidCommand(const std::string &commandname, int pcnt, userrec * user)
-{
-	command_table::iterator n = cmdlist.find(commandname);
-
-	if (n != cmdlist.end())
-	{
-		if ((pcnt>=n->second->min_params) && (n->second->source != "<core>"))
-		{
-			if ((!n->second->flags_needed) || (user->modes[n->second->flags_needed-65]))
-			{
-				if (n->second->flags_needed)
-				{
-					return ((user->HasPermission(commandname)) || (ServerInstance->ULine(user->server)));
-				}
-				return true;
-			}
-		}
-	}
-	return false;
-}
-
-command_t* CommandParser::GetHandler(const std::string &commandname)
-{
-	command_table::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 char** parameters, int pcnt, userrec *user)
-{
-	command_table::iterator n = cmdlist.find(commandname);
-
-	if (n != cmdlist.end())
-	{
-		if (pcnt >= n->second->min_params)
-		{
-			if ((!n->second->flags_needed) || (user->modes[n->second->flags_needed-65]))
-			{
-				if (n->second->flags_needed)
-				{
-					if ((user->HasPermission(commandname)) || (!IS_LOCAL(user)))
-					{
-						return n->second->Handle(parameters,pcnt,user);
-					}
-				}
-				else
-				{
-					return n->second->Handle(parameters,pcnt,user);
-				}
-			}
-		}
-	}
-	return CMD_INVALID;
-}
-
-void CommandParser::ProcessCommand(userrec *user, std::string &cmd)
-{
-	const char *command_p[127];
-	int items = 0;
-	irc::tokenstream tokens(cmd);
-	std::string command;
-	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.c_str() == ':')
-		tokens.GetToken(command);
-
-	while (tokens.GetToken(para[items]) && (items < 127))
-	{
-		command_p[items] = para[items].c_str();
-		items++;
-	}
-
-	std::transform(command.begin(), command.end(), command.begin(), ::toupper);
-		
-	int MOD_RESULT = 0;
-	FOREACH_RESULT(I_OnPreCommand,OnPreCommand(command,command_p,items,user,false,cmd));
-	if (MOD_RESULT == 1) {
-		return;
-	}
-
-	command_table::iterator cm = cmdlist.find(command);
-	
-	if (cm != cmdlist.end())
-	{
-		if (user)
-		{
-			/* activity resets the ping pending timer */
-			user->nping = ServerInstance->Time() + user->pingmax;
-			if (cm->second->flags_needed)
-			{
-				if (!user->IsModeSet(cm->second->flags_needed))
-				{
-					user->WriteServ("481 %s :Permission Denied - You do not have the required operator privileges",user->nick);
-					return;
-				}
-				if (!user->HasPermission(command))
-				{
-					user->WriteServ("481 %s :Permission Denied - Oper type %s does not have access to command %s",user->nick,user->oper,command.c_str());
-					return;
-				}
-			}
-			if ((user->registered == REG_ALL) && (!IS_OPER(user)) && (cm->second->IsDisabled()))
-			{
-				/* command is disabled! */
-				user->WriteServ("421 %s %s :This command has been disabled.",user->nick,command.c_str());
-				return;
-			}
-			if (items < cm->second->min_params)
-			{
-				user->WriteServ("461 %s %s :Not enough parameters.", user->nick, command.c_str());
-				/* If syntax is given, display this as the 461 reply */
-				if ((ServerInstance->Config->SyntaxHints) && (user->registered == REG_ALL) && (cm->second->syntax.length()))
-					user->WriteServ("304 %s :SYNTAX %s %s", user->nick, cm->second->command.c_str(), cm->second->syntax.c_str());
-				return;
-			}
-			if ((user->registered == REG_ALL) || (cm->second->WorksBeforeReg()))
-			{
-				/* ikky /stats counters */
-				cm->second->use_count++;
-				cm->second->total_bytes += cmd.length();
-
-				int MOD_RESULT = 0;
-				FOREACH_RESULT(I_OnPreCommand,OnPreCommand(command,command_p,items,user,true,cmd));
-				if (MOD_RESULT == 1)
-					return;
-
-				/*
-				 * WARNING: nothing may come after the
-				 * command handler call, as the handler
-				 * may free the user structure!
-				 */
-				CmdResult result = cm->second->Handle(command_p,items,user);
-
-				FOREACH_MOD(I_OnPostCommand,OnPostCommand(command, command_p, items, user, result,cmd));
-				return;
-			}
-			else
-			{
-				user->WriteServ("451 %s :You have not registered",command.c_str());
-				return;
-			}
-		}
-	}
-	else if (user)
-	{
-		ServerInstance->stats->statsUnknown++;
-		user->WriteServ("421 %s %s :Unknown command",user->nick,command.c_str());
-	}
-}
-
-bool CommandParser::RemoveCommands(const char* source)
-{
-	command_table::iterator i,safei;
-	for (i = cmdlist.begin(); i != cmdlist.end(); i++)
-	{
-		safei = i;
-		safei++;
-		if (safei != cmdlist.end())
-		{
-			RemoveCommand(safei, source);
-		}
-	}
-	safei = cmdlist.begin();
-	if (safei != cmdlist.end())
-	{
-		RemoveCommand(safei, source);
-	}
-	return true;
-}
-
-void CommandParser::RemoveCommand(command_table::iterator safei, const char* source)
-{
-	command_t* x = safei->second;
-	if (x->source == std::string(source))
-	{
-		cmdlist.erase(safei);
-		delete x;
-	}
-}
-
-void CommandParser::ProcessBuffer(std::string &buffer,userrec *user)
-{
-	std::string::size_type a;
-
-	if (!user)
-		return;
-
-	while ((a = buffer.rfind("\n")) != std::string::npos)
-		buffer.erase(a);
-	while ((a = buffer.rfind("\r")) != std::string::npos)
-		buffer.erase(a);
-
-	if (buffer.length())
-	{
-		if (!user->muted)
-		{
-			ServerInstance->Log(DEBUG,"C[%d] -> :%s %s",user->GetFd(), user->nick, buffer.c_str());
-			this->ProcessCommand(user,buffer);
-		}
-	}
-}
-
-bool CommandParser::CreateCommand(command_t *f, void* so_handle)
-{
-	if (so_handle)
-	{
-		if (RFCCommands.find(f->command) == RFCCommands.end())
-			RFCCommands[f->command] = so_handle;
-		else
-		{
-			ServerInstance->Log(DEFAULT,"ERK! Somehow, we loaded a cmd_*.so file twice! Only the first instance is being recorded.");
-			return false;
-		}
-	}
-
-	/* create the command and push it onto the table */
-	if (cmdlist.find(f->command) == cmdlist.end())
-	{
-		cmdlist[f->command] = f;
-		return true;
-	}
-	else return false;
-}
-
-CommandParser::CommandParser(InspIRCd* Instance) : ServerInstance(Instance)
-{
-	para.resize(128);
-	this->SetupCommandTable();
-}
-
-bool CommandParser::FindSym(void** v, void* h)
-{
-	*v = dlsym(h, "init_command");
-	const char* err = dlerror();
-	if (err && !(*v))
-	{
-		ServerInstance->Log(SPARSE, "Error loading core command: %s\n", err);
-		return false;
-	}
-	return true;
-}
-
-bool CommandParser::ReloadCommand(const char* cmd)
-{
-	char filename[MAXBUF];
-	char commandname[MAXBUF];
-	int y = 0;
-
-	for (const char* x = cmd; *x; x++, y++)
-		commandname[y] = toupper(*x);
-
-	commandname[y] = 0;
-
-	SharedObjectList::iterator command = RFCCommands.find(commandname);
-
-	if (command != RFCCommands.end())
-	{
-		command_t* cmdptr = cmdlist.find(commandname)->second;
-		cmdlist.erase(cmdlist.find(commandname));
-
-		for (char* x = commandname; *x; x++)
-			*x = tolower(*x);
-
-
-		delete cmdptr;
-		dlclose(command->second);
-		RFCCommands.erase(command);
-
-		snprintf(filename, MAXBUF, "cmd_%s.so", commandname);
-		this->LoadCommand(filename);
-
-		return true;
-	}
-
-	return false;
-}
-
-CmdResult cmd_reload::Handle(const char** parameters, int pcnt, userrec *user)
-{
-	user->WriteServ("NOTICE %s :*** Reloading command '%s'",user->nick, parameters[0]);
-	if (ServerInstance->Parser->ReloadCommand(parameters[0]))
-	{
-		user->WriteServ("NOTICE %s :*** Successfully reloaded command '%s'", user->nick, parameters[0]);
-		ServerInstance->WriteOpers("*** RELOAD: %s reloaded the '%s' command.", user->nick, parameters[0]);
-		return CMD_SUCCESS;
-	}
-	else
-	{
-		user->WriteServ("NOTICE %s :*** Could not reload command '%s'", user->nick, parameters[0]);
-		return CMD_FAILURE;
-	}
-}
-
-void CommandParser::LoadCommand(const char* name)
-{
-	char filename[MAXBUF];
-	void* h;
-	command_t* (*cmd_factory_func)(InspIRCd*);
-
-	snprintf(filename, MAXBUF, "%s/%s", LIBRARYDIR, name);
-	h = dlopen(filename, RTLD_NOW | RTLD_GLOBAL);
-
-	if (!h)
-	{
-		ServerInstance->Log(SPARSE, "Error loading core command: %s", dlerror());
-		return;
-	}
-
-	if (this->FindSym((void **)&cmd_factory_func, h))
-	{
-		command_t* newcommand = cmd_factory_func(ServerInstance);
-		this->CreateCommand(newcommand, h);
-	}
-}
-
-void CommandParser::SetupCommandTable()
-{
-	RFCCommands.clear();
-
-	printf("\nLoading core commands");
-	fflush(stdout);
-
-	DIR* library = opendir(LIBRARYDIR);
-	if (library)
-	{
-		dirent* entry = NULL;
-		while ((entry = readdir(library)))
-		{
-			if (match(entry->d_name, "cmd_*.so"))
-			{
-				printf(".");
-				fflush(stdout);
-				this->LoadCommand(entry->d_name);
-			}
-		}
-		closedir(library);
-		printf("\n");
-	}
-
-	this->CreateCommand(new cmd_reload(ServerInstance));
-}
-
+/*       +------------------------------------+
 *       | Inspire Internet Relay Chat Daemon |
 *       +------------------------------------+
 *
 *  InspIRCd: (C) 2002-2007 InspIRCd Development Team
 * See: http://www.inspircd.org/wiki/index.php/Credits
 *
 * This program is free but copyrighted software; see
 *            the file COPYING for details.
 *
 * ---------------------------------------------------
 */

#include "inspircd.h"
#include "configreader.h"
#include <algorithm>
#include "users.h"
#include "modules.h"
#include "wildcard.h"
#include "xline.h"
#include "socketengine.h"
#include "socket.h"
#include "command_parse.h"

/* Directory Searching for Unix-Only */
#ifndef WIN32
#include <dirent.h>
#include <dlfcn.h>
#endif

bool InspIRCd::ULine(const char* server)
{
	if (!server)
		return false;
	if (!*server)
		return true;

	return (Config->ulines.find(server) != Config->ulines.end());
}

bool InspIRCd::SilentULine(const char* server)
{
	std::map<irc::string,bool>::iterator n = Config->ulines.find(server);
	if (n != Config->ulines.end())
		return n->second;
	else return false;
}

int InspIRCd::OperPassCompare(const char* data,const char* input, int tagnumber)
{
	int MOD_RESULT = 0;
	FOREACH_RESULT_I(this,I_OnOperCompare,OnOperCompare(data, input, tagnumber))
	if (MOD_RESULT == 1)
		return 0;
	if (MOD_RESULT == -1)
		return 1;
	return strcmp(data,input);
}

std::string InspIRCd::TimeString(time_t curtime)
{
	return std::string(ctime(&curtime),24);
}

/** Refactored by Brain, Jun 2007. Much faster with some clever O(1) array
 * lookups and pointer maths.
 */
long InspIRCd::Duration(const std::string &str)
{
	unsigned char multiplier = 0;
	long total = 0;
	long times = 1;
	long subtotal = 0;

	/* Iterate each item in the string, looking for number or multiplier */
	for (std::string::const_reverse_iterator i = str.rbegin(); i != str.rend(); ++i)
	{
		/* Found a number, queue it onto the current number */
		if ((*i >= '0') && (*i <= '9'))
		{
			subtotal = subtotal + ((*i - '0') * times);
			times = times * 10;
		}
		else
		{
			/* Found something thats not a number, find out how much
			 * it multiplies the built up number by, multiply the total
			 * and reset the built up number.
			 */
			if (subtotal)
				total += subtotal * duration_multi[multiplier];

			/* Next subtotal please */
			subtotal = 0;
			multiplier = *i;
			times = 1;
		}
	}
	if (multiplier)
	{
		total += subtotal * duration_multi[multiplier];
		subtotal = 0;
	}
	/* Any trailing values built up are treated as raw seconds */
	return total + subtotal;
}

/* 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(userrec* user, command_t* CommandObj, const char** parameters, int pcnt, unsigned int splithere, unsigned int extra)
{
	/* 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 (!strchr(parameters[splithere],','))
		return 0;

	/** Some lame ircds will weed out dupes using some shitty O(n^2) algorithm.
	 * By using std::map (thanks for the idea w00t) we can cut this down a ton.
	 * ...VOOODOOOO!
	 */
	std::map<irc::string, bool> dupes;

	/* Create two lists, one for channel names, one for keys
	 */
	irc::commasepstream items1(parameters[splithere]);
	irc::commasepstream items2(parameters[extra]);
	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 (((item = items1.GetToken()) != "") && (max++ < ServerInstance->Config->MaxTargets))
	{
		if (dupes.find(item.c_str()) == dupes.end())
		{
			const char* new_parameters[127];

			for (int t = 0; (t < pcnt) && (t < 127); t++)
				new_parameters[t] = parameters[t];

			std::string extrastuff = items2.GetToken();

			new_parameters[splithere] = item.c_str();
			new_parameters[extra] = extrastuff.c_str();

			CommandObj->Handle(new_parameters,pcnt,user);

			dupes[item.c_str()] = true;
		}
	}
	return 1;
}

int CommandParser::LoopCall(userrec* user, command_t* CommandObj, const char** parameters, int pcnt, unsigned int splithere)
{
	/* 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 (!strchr(parameters[splithere],','))
		return 0;

	std::map<irc::string, bool> dupes;

	/* Only one commasepstream here */
	irc::commasepstream items1(parameters[splithere]);
	std::string item("*");
	unsigned int max = 0;

	/* Parse the commasepstream until there are no tokens remaining.
	 * Each token we parse out, call the command handler that called us
	 * with it
	 */
	while (((item = items1.GetToken()) != "") && (max++ < ServerInstance->Config->MaxTargets))
	{
		if (dupes.find(item.c_str()) == dupes.end())
		{
			const char* new_parameters[127];

			for (int t = 0; (t < pcnt) && (t < 127); t++)
				new_parameters[t] = parameters[t];

			new_parameters[splithere] = item.c_str();

			parameters[splithere] = item.c_str();

			/* Execute the command handler over and over. If someone pulls our user
			 * record out from under us (e.g. if we /kill a comma sep list, and we're
			 * in that list ourselves) abort if we're gone.
			 */
			CommandObj->Handle(new_parameters,pcnt,user);

			dupes[item.c_str()] = true;
		}
	}
	/* By returning 1 we tell our caller that nothing is to be done,
	 * as all the previous calls handled the data. This makes the parent
	 * return without doing any processing.
	 */
	return 1;
}

bool CommandParser::IsValidCommand(const std::string &commandname, int pcnt, userrec * user)
{
	command_table::iterator n = cmdlist.find(commandname);

	if (n != cmdlist.end())
	{
		if ((pcnt>=n->second->min_params) && (n->second->source != "<core>"))
		{
			if ((!n->second->flags_needed) || (user->modes[n->second->flags_needed-65]))
			{
				if (n->second->flags_needed)
				{
					return ((user->HasPermission(commandname)) || (ServerInstance->ULine(user->server)));
				}
				return true;
			}
		}
	}
	return false;
}

command_t* CommandParser::GetHandler(const std::string &commandname)
{
	command_table::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 char** parameters, int pcnt, userrec *user)
{
	command_table::iterator n = cmdlist.find(commandname);

	if (n != cmdlist.end())
	{
		if (pcnt >= n->second->min_params)
		{
			if ((!n->second->flags_needed) || (user->modes[n->second->flags_needed-65]))
			{
				if (n->second->flags_needed)
				{
					if ((user->HasPermission(commandname)) || (!IS_LOCAL(user)))
					{
						return n->second->Handle(parameters,pcnt,user);
					}
				}
				else
				{
					return n->second->Handle(parameters,pcnt,user);
				}
			}
		}
	}
	return CMD_INVALID;
}

void CommandParser::ProcessCommand(userrec *user, std::string &cmd)
{
	const char *command_p[127];
	int items = 0;
	irc::tokenstream tokens(cmd);
	std::string command;
	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.c_str() == ':')
		tokens.GetToken(command);

	while (tokens.GetToken(para[items]) && (items < 127))
	{
		command_p[items] = para[items].c_str();
		items++;
	}

	std::transform(command.begin(), command.end(), command.begin(), ::toupper);
		
	int MOD_RESULT = 0;
	FOREACH_RESULT(I_OnPreCommand,OnPreCommand(command,command_p,items,user,false,cmd));
	if (MOD_RESULT == 1) {
		return;
	}

	command_table::iterator cm = cmdlist.find(command);
	
	if (cm != cmdlist.end())
	{
		if (user)
		{
			/* activity resets the ping pending timer */
			user->nping = ServerInstance->Time() + user->pingmax;
			if (cm->second->flags_needed)
			{
				if (!user->IsModeSet(cm->second->flags_needed))
				{
					user->WriteServ("481 %s :Permission Denied - You do not have the required operator privileges",user->nick);
					return;
				}
				if (!user->HasPermission(command))
				{
					user->WriteServ("481 %s :Permission Denied - Oper type %s does not have access to command %s",user->nick,user->oper,command.c_str());
					return;
				}
			}
			if ((user->registered == REG_ALL) && (!IS_OPER(user)) && (cm->second->IsDisabled()))
			{
				/* command is disabled! */
				user->WriteServ("421 %s %s :This command has been disabled.",user->nick,command.c_str());
				return;
			}
			if (items < cm->second->min_params)
			{
				user->WriteServ("461 %s %s :Not enough parameters.", user->nick, command.c_str());
				/* If syntax is given, display this as the 461 reply */
				if ((ServerInstance->Config->SyntaxHints) && (user->registered == REG_ALL) && (cm->second->syntax.length()))
					user->WriteServ("304 %s :SYNTAX %s %s", user->nick, cm->second->command.c_str(), cm->second->syntax.c_str());
				return;
			}
			if ((user->registered == REG_ALL) || (cm->second->WorksBeforeReg()))
			{
				/* ikky /stats counters */
				cm->second->use_count++;
				cm->second->total_bytes += cmd.length();

				int MOD_RESULT = 0;
				FOREACH_RESULT(I_OnPreCommand,OnPreCommand(command,command_p,items,user,true,cmd));
				if (MOD_RESULT == 1)
					return;

				/*
				 * WARNING: nothing may come after the
				 * command handler call, as the handler
				 * may free the user structure!
				 */
				CmdResult result = cm->second->Handle(command_p,items,user);

				FOREACH_MOD(I_OnPostCommand,OnPostCommand(command, command_p, items, user, result,cmd));
				return;
			}
			else
			{
				user->WriteServ("451 %s :You have not registered",command.c_str());
				return;
			}
		}
	}
	else if (user)
	{
		ServerInstance->stats->statsUnknown++;
		user->WriteServ("421 %s %s :Unknown command",user->nick,command.c_str());
	}
}

bool CommandParser::RemoveCommands(const char* source)
{
	command_table::iterator i,safei;
	for (i = cmdlist.begin(); i != cmdlist.end(); i++)
	{
		safei = i;
		safei++;
		if (safei != cmdlist.end())
		{
			RemoveCommand(safei, source);
		}
	}
	safei = cmdlist.begin();
	if (safei != cmdlist.end())
	{
		RemoveCommand(safei, source);
	}
	return true;
}

void CommandParser::RemoveCommand(command_table::iterator safei, const char* source)
{
	command_t* x = safei->second;
	if (x->source == std::string(source))
	{
		cmdlist.erase(safei);
		delete x;
	}
}

void CommandParser::ProcessBuffer(std::string &buffer,userrec *user)
{
	std::string::size_type a;

	if (!user)
		return;

	while ((a = buffer.rfind("\n")) != std::string::npos)
		buffer.erase(a);
	while ((a = buffer.rfind("\r")) != std::string::npos)
		buffer.erase(a);

	if (buffer.length())
	{
		if (!user->muted)
		{
			ServerInstance->Log(DEBUG,"C[%d] -> :%s %s",user->GetFd(), user->nick, buffer.c_str());
			this->ProcessCommand(user,buffer);
		}
	}
}

bool CommandParser::CreateCommand(command_t *f, void* so_handle)
{
	if (so_handle)
	{
		if (RFCCommands.find(f->command) == RFCCommands.end())
			RFCCommands[f->command] = so_handle;
		else
		{
			ServerInstance->Log(DEFAULT,"ERK! Somehow, we loaded a cmd_*.so file twice! Only the first instance is being recorded.");
			return false;
		}
	}

	/* create the command and push it onto the table */
	if (cmdlist.find(f->command) == cmdlist.end())
	{
		cmdlist[f->command] = f;
		return true;
	}
	else return false;
}

CommandParser::CommandParser(InspIRCd* Instance) : ServerInstance(Instance)
{
	para.resize(128);
	this->SetupCommandTable();
}

bool CommandParser::FindSym(void** v, void* h)
{
	*v = dlsym(h, "init_command");
	const char* err = dlerror();
	if (err && !(*v))
	{
		ServerInstance->Log(SPARSE, "Error loading core command: %s\n", err);
		return false;
	}
	return true;
}

bool CommandParser::ReloadCommand(const char* cmd)
{
	char filename[MAXBUF];
	char commandname[MAXBUF];
	int y = 0;

	for (const char* x = cmd; *x; x++, y++)
		commandname[y] = toupper(*x);

	commandname[y] = 0;

	SharedObjectList::iterator command = RFCCommands.find(commandname);

	if (command != RFCCommands.end())
	{
		command_t* cmdptr = cmdlist.find(commandname)->second;
		cmdlist.erase(cmdlist.find(commandname));

		for (char* x = commandname; *x; x++)
			*x = tolower(*x);


		delete cmdptr;
		dlclose(command->second);
		RFCCommands.erase(command);

		snprintf(filename, MAXBUF, "cmd_%s.so", commandname);
		this->LoadCommand(filename);

		return true;
	}

	return false;
}

CmdResult cmd_reload::Handle(const char** parameters, int pcnt, userrec *user)
{
	user->WriteServ("NOTICE %s :*** Reloading command '%s'",user->nick, parameters[0]);
	if (ServerInstance->Parser->ReloadCommand(parameters[0]))
	{
		user->WriteServ("NOTICE %s :*** Successfully reloaded command '%s'", user->nick, parameters[0]);
		ServerInstance->WriteOpers("*** RELOAD: %s reloaded the '%s' command.", user->nick, parameters[0]);
		return CMD_SUCCESS;
	}
	else
	{
		user->WriteServ("NOTICE %s :*** Could not reload command '%s'", user->nick, parameters[0]);
		return CMD_FAILURE;
	}
}

void CommandParser::LoadCommand(const char* name)
{
	char filename[MAXBUF];
	void* h;
	command_t* (*cmd_factory_func)(InspIRCd*);

	snprintf(filename, MAXBUF, "%s/%s", LIBRARYDIR, name);
	h = dlopen(filename, RTLD_NOW | RTLD_GLOBAL);

	if (!h)
	{
		ServerInstance->Log(SPARSE, "Error loading core command: %s", dlerror());
		return;
	}

	if (this->FindSym((void **)&cmd_factory_func, h))
	{
		command_t* newcommand = cmd_factory_func(ServerInstance);
		this->CreateCommand(newcommand, h);
	}
}

void CommandParser::SetupCommandTable()
{
	RFCCommands.clear();

	printf("\nLoading core commands");
	fflush(stdout);

	DIR* library = opendir(LIBRARYDIR);
	if (library)
	{
		dirent* entry = NULL;
		while ((entry = readdir(library)))
		{
			if (match(entry->d_name, "cmd_*.so"))
			{
				printf(".");
				fflush(stdout);
				this->LoadCommand(entry->d_name);
			}
		}
		closedir(library);
		printf("\n");
	}

	this->CreateCommand(new cmd_reload(ServerInstance));
}

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