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modules.cpp

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/*


*/



#include <typeinfo>
#include <iostream>
#include "globals.h"
#include "modules.h"
#include "ctables.h"
#include "inspircd_io.h"
#include "wildcard.h"
#include "mode.h"
#include "message.h"
#include "commands.h"

// class type for holding an extended mode character - internal to core

class ExtMode : public classbase
{
public:
        char modechar;
        int type;
        int params_when_on;
        int params_when_off;
        bool needsoper;
        ExtMode(char mc, int ty, bool oper, int p_on, int p_off) : modechar(mc), type(ty), needsoper(oper), params_when_on(p_on), params_when_off(p_off) { };
};                                     

typedef std::vector<ExtMode> ExtModeList;
typedef ExtModeList::iterator ExtModeListIter;

ExtModeList EMode;

// returns true if an extended mode character is in use
bool ModeDefined(char modechar, int type)
{
        log(DEBUG,"Size of extmodes vector is %d",EMode.size());
        for (ExtModeListIter i = EMode.begin(); i < EMode.end(); i++)
        {
                log(DEBUG,"i->modechar==%c, modechar=%c, i->type=%d, type=%d",i->modechar,modechar,i->type,type);
                if ((i->modechar == modechar) && (i->type == type))
                {
                        return true;
                }
        }
        return false;
}

bool ModeDefinedOper(char modechar, int type)
{
        log(DEBUG,"Size of extmodes vector is %d",EMode.size());
        for (ExtModeListIter i = EMode.begin(); i < EMode.end(); i++)
        {
                log(DEBUG,"i->modechar==%c, modechar=%c, i->type=%d, type=%d",i->modechar,modechar,i->type,type);
                if ((i->modechar == modechar) && (i->type == type) && (i->needsoper == true))
                {
                        return true;
                }
        }
        return false;
}

// returns number of parameters for a custom mode when it is switched on
int ModeDefinedOn(char modechar, int type)
{
        for (ExtModeListIter i = EMode.begin(); i < EMode.end(); i++)
        {
                if ((i->modechar == modechar) && (i->type == type))
                {
                        return i->params_when_on;
                }
        }
        return 0;
}

// returns number of parameters for a custom mode when it is switched on
int ModeDefinedOff(char modechar, int type)
{
        for (ExtModeListIter i = EMode.begin(); i < EMode.end(); i++)
        {
                if ((i->modechar == modechar) && (i->type == type))
                {
                        return i->params_when_off;
                }
        }
        return 0;
}

// returns true if an extended mode character is in use
bool DoAddExtendedMode(char modechar, int type, bool requires_oper, int params_on, int params_off)
{
        if (ModeDefined(modechar,type)) {
                return false;
        }
        EMode.push_back(ExtMode(modechar,type,requires_oper,params_on,params_off));
        return true;
}


// version is a simple class for holding a modules version number

Version::Version(int major, int minor, int revision, int build) : Major(major), Minor(minor), Revision(revision), Build(build) { };

// admin is a simple class for holding a server's administrative info

Admin::Admin(std::string name, std::string email, std::string nick) : Name(name), Email(email), Nick(nick) { };

Module::Module() { }
Module::~Module() { }
void Module::OnUserConnect(userrec* user) { }
void Module::OnUserQuit(userrec* user) { }
void Module::OnUserJoin(userrec* user, chanrec* channel) { }
void Module::OnUserPart(userrec* user, chanrec* channel) { }
void Module::OnPacketTransmit(char *p) { }
void Module::OnPacketReceive(char *p) { }
void Module::OnRehash() { }
void Module::OnServerRaw(std::string &raw, bool inbound, userrec* user) { }
int Module::OnUserPreJoin(userrec* user, chanrec* chan, const char* cname) { return 0; }
bool Module::OnExtendedMode(userrec* user, void* target, char modechar, int type, bool mode_on, string_list &params) { return false; }
Version Module::GetVersion() { return Version(1,0,0,0); }
void Module::OnOper(userrec* user) { };
void Module::OnInfo(userrec* user) { };
void Module::OnWhois(userrec* source, userrec* dest) { };
int Module::OnUserPreMessage(userrec* user,void* dest,int target_type, std::string text) { return 0; };
int Module::OnUserPreNotice(userrec* user,void* dest,int target_type, std::string text) { return 0; };
int Module::OnUserPreNick(userrec* user, std::string newnick) { return 0; };

// server is a wrapper class that provides methods to all of the C-style
// exports in the core
//

Server::Server()
{
}

Server::~Server()
{
}

void Server::SendOpers(std::string s)
{
        WriteOpers("%s",s.c_str());
}

bool Server::MatchText(std::string sliteral, std::string spattern)
{
        char literal[MAXBUF],pattern[MAXBUF];
        strncpy(literal,sliteral.c_str(),MAXBUF);
        strncpy(pattern,spattern.c_str(),MAXBUF);
        return match(literal,pattern);
}

void Server::SendToModeMask(std::string modes, int flags, std::string text)
{
        WriteMode(modes.c_str(),flags,"%s",text.c_str());
}

chanrec* Server::JoinUserToChannel(userrec* user, std::string cname, std::string key)
{
        return add_channel(user,cname.c_str(),key.c_str(),true);
}

chanrec* Server::PartUserFromChannel(userrec* user, std::string cname, std::string reason)
{
        return del_channel(user,cname.c_str(),reason.c_str(),false);
}

void Server::ChangeUserNick(userrec* user, std::string nickname)
{
        force_nickchange(user,nickname.c_str());
}

void Server::QuitUser(userrec* user, std::string reason)
{
        send_network_quit(user->nick,reason.c_str());
        kill_link(user,reason.c_str());
}

bool Server::IsUlined(std::string server)
{
        return is_uline(server.c_str());
}

void Server::CallCommandHandler(std::string commandname, char** parameters, int pcnt, userrec* user)
{
        call_handler(commandname.c_str(),parameters,pcnt,user);
}

void Server::Log(int level, std::string s)
{
        log(level,"%s",s.c_str());
}

void Server::AddCommand(char* cmd, handlerfunc f, char flags, int minparams)
{
        createcommand(cmd,f,flags,minparams);
}

void Server::SendMode(char **parameters, int pcnt, userrec *user)
{
        server_mode(parameters,pcnt,user);
}

void Server::Send(int Socket, std::string s)
{
        Write(Socket,"%s",s.c_str());
}

void Server::SendServ(int Socket, std::string s)
{
        WriteServ(Socket,"%s",s.c_str());
}

void Server::SendFrom(int Socket, userrec* User, std::string s)
{
        WriteFrom(Socket,User,"%s",s.c_str());
}

void Server::SendTo(userrec* Source, userrec* Dest, std::string s)
{
        if (!Source)
        {
                // if source is NULL, then the message originates from the local server
                Write(Dest->fd,":%s %s",this->GetServerName().c_str(),s.c_str());
        }
        else
        {
                // otherwise it comes from the user specified
                WriteTo(Source,Dest,"%s",s.c_str());
        }
}

void Server::SendChannel(userrec* User, chanrec* Channel, std::string s,bool IncludeSender)
{
        if (IncludeSender)
        {
                WriteChannel(Channel,User,"%s",s.c_str());
        }
        else
        {
                ChanExceptSender(Channel,User,"%s",s.c_str());
        }
}

bool Server::CommonChannels(userrec* u1, userrec* u2)
{
        return (common_channels(u1,u2) != 0);
}

void Server::SendCommon(userrec* User, std::string text,bool IncludeSender)
{
        if (IncludeSender)
        {
                WriteCommon(User,"%s",text.c_str());
        }
        else
        {
                WriteCommonExcept(User,"%s",text.c_str());
        }
}

void Server::SendWallops(userrec* User, std::string text)
{
        WriteWallOps(User,false,"%s",text.c_str());
}

void Server::ChangeHost(userrec* user, std::string host)
{
        ChangeDisplayedHost(user,host.c_str());
}

void Server::ChangeGECOS(userrec* user, std::string gecos)
{
        ChangeName(user,gecos.c_str());
}

bool Server::IsNick(std::string nick)
{
        return (isnick(nick.c_str()) != 0);
}

userrec* Server::FindNick(std::string nick)
{
        return Find(nick);
}

chanrec* Server::FindChannel(std::string channel)
{
        return FindChan(channel.c_str());
}

std::string Server::ChanMode(userrec* User, chanrec* Chan)
{
        return cmode(User,Chan);
}

std::string Server::GetServerName()
{
        return getservername();
}

std::string Server::GetNetworkName()
{
        return getnetworkname();
}

Admin Server::GetAdmin()
{
        return Admin(getadminname(),getadminemail(),getadminnick());
}



bool Server::AddExtendedMode(char modechar, int type, bool requires_oper, int params_when_on, int params_when_off)
{
        if (type == MT_SERVER)
        {
                log(DEBUG,"*** API ERROR *** Modes of type MT_SERVER are reserved for future expansion");
                return false;
        }
        if (((params_when_on>0) || (params_when_off>0)) && (type == MT_CLIENT))
        {
                log(DEBUG,"*** API ERROR *** Parameters on MT_CLIENT modes are not supported");
                return false;
        }
        if ((params_when_on>1) || (params_when_off>1))
        {
                log(DEBUG,"*** API ERROR *** More than one parameter for an MT_CHANNEL mode is not yet supported");
                return false;
        }
        return DoAddExtendedMode(modechar,type,requires_oper,params_when_on,params_when_off);
}

int Server::CountUsers(chanrec* c)
{
        return usercount(c);
}


ConfigReader::ConfigReader()
{
        this->cache = new std::stringstream(std::stringstream::in | std::stringstream::out);
        this->error = LoadConf(CONFIG_FILE,this->cache);
}


ConfigReader::~ConfigReader()
{
        if (this->cache)
                delete this->cache;
}


ConfigReader::ConfigReader(std::string filename)
{
        this->cache = new std::stringstream(std::stringstream::in | std::stringstream::out);
        this->error = LoadConf(filename.c_str(),this->cache);
};

std::string ConfigReader::ReadValue(std::string tag, std::string name, int index)
{
        char val[MAXBUF];
        char t[MAXBUF];
        char n[MAXBUF];
        strncpy(t,tag.c_str(),MAXBUF);
        strncpy(n,name.c_str(),MAXBUF);
        ReadConf(cache,t,n,index,val);
        return std::string(val);
}


int ConfigReader::Enumerate(std::string tag)
{
        return EnumConf(cache,tag.c_str());
}

int ConfigReader::EnumerateValues(std::string tag, int index)
{
        return EnumValues(cache, tag.c_str(), index);
}

bool ConfigReader::Verify()
{
        return this->error;
}


FileReader::FileReader(std::string filename)
{
        file_cache c;
        readfile(c,filename.c_str());
        this->fc = c;
}

FileReader::FileReader()
{
}

void FileReader::LoadFile(std::string filename)
{
        file_cache c;
        readfile(c,filename.c_str());
        this->fc = c;
}


FileReader::~FileReader()
{
}

bool FileReader::Exists()
{
        if (fc.size() == 0)
        {
                return(false);
        }
        else
        {
                return(true);
        }
}

std::string FileReader::GetLine(int x)
{
        if ((x<0) || (x>fc.size()))
                return "";
        return fc[x];
}

int FileReader::FileSize()
{
        return fc.size();
}


std::vector<Module*> modules(255);
std::vector<ircd_module*> factory(255);

int MODCOUNT  = -1;

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