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/*       +------------------------------------+
 *       | 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 "users.h"
#include "modules.h"
#include "wildcard.h"
#include "xline.h"
#include "command_parse.h"

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

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

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

long InspIRCd::Duration(const char* str)
{
	char n_field[MAXBUF];
	long total = 0;
	n_field[0] = 0;

	if ((!strchr(str,'s')) && (!strchr(str,'m')) && (!strchr(str,'h')) && (!strchr(str,'d')) && (!strchr(str,'w')) && (!strchr(str,'y')))
	{
		std::string n = str;
		n += 's';
		return Duration(n.c_str());
	}
	
	for (char* i = (char*)str; *i; i++)
	{
		// if we have digits, build up a string for the value in n_field,
		// up to 10 digits in size.
		if ((*i >= '0') && (*i <= '9'))
		{
			strlcat(n_field,i,10);
		}
		else
		{
			// we dont have a digit, check for numeric tokens
			switch (tolower(*i))
			{
				case 's':
					total += atoi(n_field);
				break;

				case 'm':
					total += (atoi(n_field)*duration_m);
				break;

				case 'h':
					total += (atoi(n_field)*duration_h);
				break;

				case 'd':
					total += (atoi(n_field)*duration_d);
				break;

				case 'w':
					total += (atoi(n_field)*duration_w);
				break;

				case 'y':
					total += (atoi(n_field)*duration_y);
				break;
			}
			n_field[0] = 0;
		}
	}
	// add trailing seconds
	total += atoi(n_field);
	
	return total;
}

/* All other ircds when doing this check usually just look for a string of *@* or *. We're smarter than that, though. */

bool InspIRCd::HostMatchesEveryone(const std::string &mask, userrec* user)
{
	char itrigger[MAXBUF];
	long matches = 0;
	
	if (!Config->ConfValue(Config->config_data, "insane","trigger", 0, itrigger, MAXBUF))
		strlcpy(itrigger,"95.5",MAXBUF);
	
	if (Config->ConfValueBool(Config->config_data, "insane","hostmasks", 0))
		return false;
	
	for (user_hash::iterator u = clientlist->begin(); u != clientlist->end(); u++)
	{
		if ((match(u->second->MakeHost(),mask.c_str(),true)) || (match(u->second->MakeHostIP(),mask.c_str(),true)))
		{
			matches++;
		}
	}

	if (!matches)
		return false;

	float percent = ((float)matches / (float)clientlist->size()) * 100;
	if (percent > (float)atof(itrigger))
	{
		WriteOpers("*** \2WARNING\2: %s tried to set a G/K/E line mask of %s, which covers %.2f%% of the network!",user->nick,mask.c_str(),percent);
		return true;
	}
	return false;
}

bool InspIRCd::IPMatchesEveryone(const std::string &ip, userrec* user)
{
	char itrigger[MAXBUF];
	long matches = 0;
	
	if (!Config->ConfValue(Config->config_data, "insane","trigger",0,itrigger,MAXBUF))
		strlcpy(itrigger,"95.5",MAXBUF);
	
	if (Config->ConfValueBool(Config->config_data, "insane","ipmasks",0))
		return false;
	
	for (user_hash::iterator u = clientlist->begin(); u != clientlist->end(); u++)
	{
		if (match(u->second->GetIPString(),ip.c_str(),true))
			matches++;
	}

	if (!matches)
		return false;

	float percent = ((float)matches / (float)clientlist->size()) * 100;
	if (percent > (float)atof(itrigger))
	{
		WriteOpers("*** \2WARNING\2: %s tried to set a Z line mask of %s, which covers %.2f%% of the network!",user->nick,ip.c_str(),percent);
		return true;
	}
	return false;
}

bool InspIRCd::NickMatchesEveryone(const std::string &nick, userrec* user)
{
	char itrigger[MAXBUF];
	long matches = 0;
	
	if (!Config->ConfValue(Config->config_data, "insane","trigger",0,itrigger,MAXBUF))
		strlcpy(itrigger,"95.5",MAXBUF);
	
	if (Config->ConfValueBool(Config->config_data, "insane","nickmasks",0))
		return false;

	for (user_hash::iterator u = clientlist->begin(); u != clientlist->end(); u++)
	{
		if (match(u->second->nick,nick.c_str()))
			matches++;
	}

	if (!matches)
		return false;

	float percent = ((float)matches / (float)clientlist->size()) * 100;
	if (percent > (float)atof(itrigger))
	{
		WriteOpers("*** \2WARNING\2: %s tried to set a Q line mask of %s, which covers %.2f%% of the network!",user->nick,nick.c_str(),percent);
		return true;
	}
	return false;
}