aroureos.cpp

DVB-S的softcam源代码

/*
 * Softcam plugin to VDR (C++)
 *
 * This code 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; either version 2
 * of the License, or (at your option) any later version.
 *
 * This code 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
 */

#include "stdafx.h"

#include "common.h"
#include "cc.h"
#include "network.h"
#include "parse.h"

// -- cCardClientAroureos ------------------------------------------------------

class cCardClientAroureos : public cCardClient, protected cIdSet {
private:
	cNetSocket so;
	//
	bool ParseCardConfig(const char *config, int *num);
protected:
	virtual bool Login(void);
public:
	cCardClientAroureos(const char *Name);
	virtual bool Init(const char *config);
	virtual bool ProcessECM(const cEcmInfo *ecm, const unsigned char *source, unsigned char *cw);
};

static cCardClientLinkReg<cCardClientAroureos> __aroureos("Aroureos");

cCardClientAroureos::cCardClientAroureos(const char *Name)
:cCardClient(Name)
,so(DEFAULT_CONNECT_TIMEOUT,5,DEFAULT_IDLE_TIMEOUT)
{}

bool cCardClientAroureos::ParseCardConfig(const char *config, int *num)
{
	int hb, hs;
	int startNum=*num;
	if(sscanf(&config[*num],":%x:%x%n",&hb,&hs,num)==2) {
		*num+=startNum;
		unsigned char h[3];
		h[0]=(hs>>16)&0xFF;
		h[1]=(hs>> 8)&0xFF;
		h[2]=(hs>> 0)&0xFF;
		dc(printf("cc-aroureos: hexser %02X%02X%02X hexbase %02X\n",h[0],h[1],h[2],hb))
		ResetIdSet();
		SetCard(new cCardIrdeto(hb,&h[0]));
	}
	return true;
}

bool cCardClientAroureos::Init(const char *config)
{
	cMutexLock lock(this);
	so.Disconnect();
	int num=0;
	return	ParseStdConfig(config,&num) &&
			ParseCardConfig(config,&num);
}

bool cCardClientAroureos::Login(void)
{
	so.Disconnect();
	if(!so.Connect(hostname,port)) return false;
	dc(printf("cc-aroureos: connected to %s:%d\n",hostname,port))
	if(!emmAllowed) dc(printf("cc-aroureos: EMM disabled from config\n"))
	return true;  
}

bool cCardClientAroureos::ProcessECM(const cEcmInfo *ecm, const unsigned char *source, unsigned char *cw)
{
	cMutexLock lock(this);
	so.Flush();
	const int len=SCT_LEN(source);
	if(len<=93) {
		unsigned char buff[128];
		memcpy(buff,"ECM",3);
		memcpy(&buff[3],source,len);

		if(!SendMsg(&so,buff,96)) return false;
		int n=RecvMsg(&so,buff,sizeof(buff));
		if(n>0) {
			memcpy(cw,buff,16);
			for(n=0; n<16; n++) if(cw[n]) break;
			if(n<16) return true;
		}
	}
	return false;
}