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device.c
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/*
* 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 <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <sys/ioctl.h>
#include <sys/time.h>
#include <dlfcn.h>
#include <linux/dvb/ca.h>
#include <vdr/channels.h>
#include <vdr/ci.h>
#include <vdr/dvbdevice.h>
#include <vdr/thread.h>
#ifndef SASC
#include <vdr/dvbci.h>
#include "FFdecsa/FFdecsa.h"
#endif //SASC
#include "device.h"
#include "cam.h"
#include "scsetup.h"
#include "system.h"
#include "data.h"
#include "override.h"
#include "misc.h"
#include "log-core.h"
#define MAX_CI_SLOTS 8
#ifdef VDR_MAXCAID
#define MAX_CI_SLOT_CAIDS VDR_MAXCAID
#else
#define MAX_CI_SLOT_CAIDS 16
#endif
// -- cCaDescr -----------------------------------------------------------------
cCaDescr::cCaDescr(void)
{
descr=0; len=0;
}
cCaDescr::cCaDescr(const cCaDescr &cd)
{
descr=0; len=0;
Set(cd.descr,cd.len);
}
cCaDescr::~cCaDescr()
{
Clear();
}
const unsigned char *cCaDescr::Get(int &l) const
{
l=len;
return descr;
}
void cCaDescr::Set(const cCaDescr *d)
{
Set(d->descr,d->len);
}
void cCaDescr::Set(const unsigned char *de, int l)
{
Clear();
if(l) {
descr=MALLOC(unsigned char,l);
if(descr) {
memcpy(descr,de,l);
len=l;
}
}
}
void cCaDescr::Clear(void)
{
free(descr); descr=0; len=0;
}
void cCaDescr::Join(const cCaDescr *cd, bool rev)
{
if(cd->descr) {
int l=len+cd->len;
unsigned char *m=MALLOC(unsigned char,l);
if(m) {
if(!rev) {
if(descr) memcpy(m,descr,len);
memcpy(m+len,cd->descr,cd->len);
}
else {
memcpy(m,cd->descr,cd->len);
if(descr) memcpy(m+cd->len,descr,len);
}
Clear();
descr=m; len=l;
}
}
}
bool cCaDescr::operator== (const cCaDescr &cd) const
{
return len==cd.len && (len==0 || memcmp(descr,cd.descr,len)==0);
}
cString cCaDescr::ToString(void)
{
if(!descr) return "<empty>";
char *str=AUTOARRAY(char,len*3+8);
int q=sprintf(str,"%02X",descr[0]);
for(int i=1; i<len; i++) q+=sprintf(str+q," %02X",descr[i]);
return str;
}
// -- cPrg ---------------------------------------------------------------------
cPrg::cPrg(void)
{
Setup();
}
cPrg::cPrg(int Sid, bool IsUpdate)
{
Setup();
sid=Sid; isUpdate=IsUpdate;
}
void cPrg::Setup(void)
{
sid=-1; source=-1; transponder=-1;
isUpdate=pidCaDescr=false;
}
void cPrg::DumpCaDescr(int c)
{
PRINTF(c,"prgca: %s",*caDescr.ToString());
for(cPrgPid *pid=pids.First(); pid; pid=pids.Next(pid))
PRINTF(c,"pidca %04x: %s",pid->pid,*pid->caDescr.ToString());
}
bool cPrg::SimplifyCaDescr(void)
{
//XXX
PRINTF(L_CORE_PIDS,"SimplyCa entry pidCa=%d",HasPidCaDescr());
DumpCaDescr(L_CORE_PIDS);
//XXX
if(HasPidCaDescr()) {
bool equal=true;
if(pids.Count()>1) {
cPrgPid *pid0=pids.First();
for(cPrgPid *pid1=pids.Next(pid0); pid1; pid1=pids.Next(pid1))
if(!(pid0->caDescr==pid1->caDescr)) { equal=false; break; }
}
if(equal) {
cPrgPid *pid=pids.First();
caDescr.Join(&pid->caDescr);
for(; pid; pid=pids.Next(pid)) pid->caDescr.Clear();
SetPidCaDescr(false);
}
}
if(HasPidCaDescr()) {
for(cPrgPid *pid=pids.First(); pid; pid=pids.Next(pid))
pid->caDescr.Join(&caDescr,true);
caDescr.Clear();
}
//XXX
PRINTF(L_CORE_PIDS,"SimplyCa exit pidCa=%d",HasPidCaDescr());
DumpCaDescr(L_CORE_PIDS);
//XXX
return HasPidCaDescr();
}
// --- cChannelCaids -----------------------------------------------------------
#ifndef SASC
class cChannelCaids : public cSimpleItem {
private:
int prg, source, transponder;
int numcaids;
caid_t caids[MAX_CI_SLOT_CAIDS+1];
public:
cChannelCaids(cChannel *channel);
bool IsChannel(cChannel *channel);
void Sort(void);
void Del(caid_t caid);
bool HasCaid(caid_t caid);
bool Same(cChannelCaids *ch, bool full);
void HistAdd(unsigned short *hist);
void Dump(int n);
const caid_t *Caids(void) { caids[numcaids]=0; return caids; }
int NumCaids(void) { return numcaids; }
int Source(void) const { return source; }
int Transponder(void) const { return transponder; }
};
cChannelCaids::cChannelCaids(cChannel *channel)
{
prg=channel->Sid(); source=channel->Source(); transponder=channel->Transponder();
numcaids=0;
for(const caid_t *ids=channel->Caids(); *ids; ids++)
if(numcaids<MAX_CI_SLOT_CAIDS) caids[numcaids++]=*ids;
Sort();
}
bool cChannelCaids::IsChannel(cChannel *channel)
{
return prg==channel->Sid() && source==channel->Source() && transponder==channel->Transponder();
}
void cChannelCaids::Sort(void)
{
caid_t tmp[MAX_CI_SLOT_CAIDS];
int c=0xFFFF;
for(int i=0; i<numcaids; i++) {
int d=0;
for(int j=0; j<numcaids; j++) if(caids[j]>d && caids[j]<c) d=caids[j];
tmp[i]=d; c=d;
}
memcpy(caids,tmp,sizeof(caids));
}
void cChannelCaids::Del(caid_t caid)
{
for(int i=0; i<numcaids; i++)
if(caids[i]==caid) {
numcaids--; caids[i]=caids[numcaids];
if(numcaids>0) Sort();
caids[numcaids]=0;
break;
}
}
bool cChannelCaids::HasCaid(caid_t caid)
{
for(int i=0; i<numcaids; i++) if(caids[i]==caid) return true;
return false;
}
bool cChannelCaids::Same(cChannelCaids *ch, bool full)
{
if(full && (source!=ch->source || transponder!=ch->transponder)) return false;
if(numcaids!=ch->numcaids) return false;
return memcmp(caids,ch->caids,numcaids*sizeof(caid_t))==0;
}
void cChannelCaids::HistAdd(unsigned short *hist)
{
for(int i=numcaids-1; i>=0; i--) hist[caids[i]]++;
}
void cChannelCaids::Dump(int n)
{
LBSTART(L_CORE_CAIDS);
LBPUT("%d: channel %d/%x/%x",n,prg,source,transponder);
for(const caid_t *ids=Caids(); *ids; ids++) LBPUT(" %04x",*ids);
LBEND();
}
// --- cChannelList ------------------------------------------------------------
class cChannelList : public cSimpleList<cChannelCaids> {
private:
int n;
public:
cChannelList(int N);
void Unique(bool full);
void CheckIgnore(void);
int Histo(void);
void Purge(int caid, bool fullch);
};
cChannelList::cChannelList(int N)
{
n=N;
}
void cChannelList::CheckIgnore(void)
{
char *cache=MALLOC(char,0x10000);
if(!cache) return;
memset(cache,0,sizeof(char)*0x10000);
int cTotal=0, cHits=0;
for(cChannelCaids *ch=First(); ch; ch=Next(ch)) {
const caid_t *ids=ch->Caids();
while(*ids) {
int pri=0;
if(overrides.Ignore(ch->Source(),ch->Transponder(),*ids))
ch->Del(*ids);
else {
char c=cache[*ids];
if(c==0) cache[*ids]=c=(cSystems::FindIdentBySysId(*ids,false,pri) ? 1 : -1);
else cHits++;
cTotal++;
if(c<0) {
for(cChannelCaids *ch2=Next(ch); ch2; ch2=Next(ch2)) ch2->Del(*ids);
ch->Del(*ids);
}
else ids++;
}
}
}
free(cache);
PRINTF(L_CORE_CAIDS,"%d: after check",n);
for(cChannelCaids *ch=First(); ch; ch=Next(ch)) ch->Dump(n);
PRINTF(L_CORE_CAIDS,"%d: check cache usage: %d requests, %d hits, %d%% hits",n,cTotal,cHits,(cTotal>0)?(cHits*100/cTotal):0);
}
void cChannelList::Unique(bool full)
{
for(cChannelCaids *ch1=First(); ch1; ch1=Next(ch1)) {
for(cChannelCaids *ch2=Next(ch1); ch2;) {
if(ch1->Same(ch2,full) || ch2->NumCaids()<1) {
cChannelCaids *t=Next(ch2);
Del(ch2);
ch2=t;
}
else ch2=Next(ch2);
}
}
if(Count()==1 && First() && First()->NumCaids()<1) Del(First());
PRINTF(L_CORE_CAIDS,"%d: after unique (%d)",n,full);
for(cChannelCaids *ch=First(); ch; ch=Next(ch)) ch->Dump(n);
}
int cChannelList::Histo(void)
{
int h=-1;
unsigned short *hist=MALLOC(unsigned short,0x10000);
if(hist) {
memset(hist,0,sizeof(unsigned short)*0x10000);
for(cChannelCaids *ch=First(); ch; ch=Next(ch)) ch->HistAdd(hist);
int c=0;
for(int i=0; i<0x10000; i++)
if(hist[i]>c) { h=i; c=hist[i]; }
free(hist);
}
else PRINTF(L_GEN_ERROR,"malloc failed in cChannelList::Histo");
return h;
}
void cChannelList::Purge(int caid, bool fullch)
{
for(cChannelCaids *ch=First(); ch;) {
if(!fullch) ch->Del(caid);
if(ch->NumCaids()<=0 || (fullch && ch->HasCaid(caid))) {
cChannelCaids *t=Next(ch);
Del(ch);
ch=t;
}
else ch=Next(ch);
}
if(Count()>0) {
PRINTF(L_CORE_CAIDS,"%d: still left",n);
for(cChannelCaids *ch=First(); ch; ch=Next(ch)) ch->Dump(n);
}
}
// -- cCiFrame -----------------------------------------------------------------
#define LEN_OFF 2
class cCiFrame {
private:
cRingBufferLinear *rb;
unsigned char *mem;
int len, alen, glen;
public:
cCiFrame(void);
~cCiFrame();
void SetRb(cRingBufferLinear *Rb) { rb=Rb; }
unsigned char *GetBuff(int l);
void Put(void);
unsigned char *Get(int &l);
void Del(void);
int Avail(void);
};
cCiFrame::cCiFrame(void)
{
rb=0; mem=0; len=alen=glen=0;
}
cCiFrame::~cCiFrame()
{
free(mem);
}
unsigned char *cCiFrame::GetBuff(int l)
{
if(!mem || l>alen) {
free(mem); mem=0; alen=0;
mem=MALLOC(unsigned char,l+LEN_OFF);
if(mem) alen=l;
}
len=l;
if(!mem) {
PRINTF(L_GEN_DEBUG,"internal: ci-frame alloc failed");
return 0;
}
return mem+LEN_OFF;
}
void cCiFrame::Put(void)
{
if(rb && mem) {
*((short *)mem)=len;
rb->Put(mem,len+LEN_OFF);
}
}
unsigned char *cCiFrame::Get(int &l)
{
if(rb) {
int c;
unsigned char *data=rb->Get(c);
if(data) {
if(c>LEN_OFF) {
int s=*((short *)data);
if(c>=s+LEN_OFF) {
l=glen=s;
return data+LEN_OFF;
}
}
LDUMP(L_GEN_DEBUG,data,c,"internal: ci rb frame sync got=%d avail=%d -",c,rb->Available());
rb->Clear();
}
}
return 0;
}
int cCiFrame::Avail(void)
{
return rb ? rb->Available() : 0;
}
void cCiFrame::Del(void)
{
if(rb && glen) {
rb->Del(glen+LEN_OFF);
glen=0;
}
}
// -- cScCiAdapter -------------------------------------------------------------
#define CAID_TIME 300000 // time between caid scans
#define TRIGGER_TIME 10000 // min. time between caid scan trigger
#define TDPU_SIZE_INDICATOR 0x80
struct TPDU {
unsigned char slot;
unsigned char tcid;
unsigned char tag;
unsigned char len;
unsigned char data[1];
};
class cScCamSlot;
class cScCiAdapter : public cCiAdapter {
private:
cDevice *device;
cCam *cam;
cMutex ciMutex;
int cardIndex;
cRingBufferLinear *rb;
cScCamSlot *slots[MAX_CI_SLOTS];
cCiFrame frame;
//
cTimeMs caidTimer, triggerTimer;
int version[MAX_CI_SLOTS];
caid_t caids[MAX_CI_SLOTS][MAX_CI_SLOT_CAIDS+1];
int tcid;
bool rebuildcaids;
//
cTimeMs readTimer, writeTimer;
//
void BuildCaids(bool force);
protected:
virtual int Read(unsigned char *Buffer, int MaxLength);
virtual void Write(const unsigned char *Buffer, int Length);
virtual bool Reset(int Slot);
virtual eModuleStatus ModuleStatus(int Slot);
virtual bool Assign(cDevice *Device, bool Query=false);
public:
cScCiAdapter(cDevice *Device, int CardIndex, cCam *Cam);
~cScCiAdapter();
void CamStop(void);
void CamAddPrg(cPrg *prg);
bool CamSoftCSA(void);
int GetCaids(int slot, unsigned short *Caids, int max);
void CaidsChanged(void);
};
// -- cScCamSlot ---------------------------------------------------------------
#define SLOT_CAID_CHECK 10000
#define SLOT_RESET_TIME 600
class cScCamSlot : public cCamSlot {
private:
cScCiAdapter *ciadapter;
unsigned short caids[MAX_CI_SLOT_CAIDS+1];
int slot, cardIndex, version;
cTimeMs checkTimer;
bool reset, doReply;
cTimeMs resetTimer;
eModuleStatus lastStatus;
cRingBufferLinear rb;
cCiFrame frame;
//
int GetLength(const unsigned char * &data);
int LengthSize(int n);
void SetSize(int n, unsigned char * &p);
void CaInfo(int tcid, int cid);
bool Check(void);
public:
cScCamSlot(cScCiAdapter *ca, int CardIndex, int Slot);
void Process(const unsigned char *data, int len);
eModuleStatus Status(void);
bool Reset(bool log=true);
cCiFrame *Frame(void) { return &frame; }
};
cScCamSlot::cScCamSlot(cScCiAdapter *ca, int CardIndex, int Slot)
:cCamSlot(ca)
,checkTimer(-SLOT_CAID_CHECK-1000)
,rb(KILOBYTE(4),5+LEN_OFF,false,"SC-CI slot answer")
{
ciadapter=ca; cardIndex=CardIndex; slot=Slot;
version=0; caids[0]=0; doReply=false; lastStatus=msReset;
frame.SetRb(&rb);
Reset(false);
}
eModuleStatus cScCamSlot::Status(void)
{
eModuleStatus status;
if(reset) {
status=msReset;
if(resetTimer.TimedOut()) reset=false;
}
else if(caids[0]) status=msReady;
else {
status=msPresent; //msNone;
Check();
}
if(status!=lastStatus) {
static const char *stext[] = { "none","reset","present","ready" };
PRINTF(L_CORE_CI,"%d.%d: status '%s'",cardIndex,slot,stext[status]);
lastStatus=status;
}
return status;
}
bool cScCamSlot::Reset(bool log)
{
reset=true; resetTimer.Set(SLOT_RESET_TIME);
rb.Clear();
if(log) PRINTF(L_CORE_CI,"%d.%d: reset",cardIndex,slot);
return true;
}
bool cScCamSlot::Check(void)
{
bool res=false;
bool dr=ciadapter->CamSoftCSA() || ScSetup.ConcurrentFF>0;
if(dr!=doReply && !IsDecrypting()) {
PRINTF(L_CORE_CI,"%d.%d: doReply changed, reset triggered",cardIndex,slot);
Reset(false);
doReply=dr;
}
if(checkTimer.TimedOut()) {
if(version!=ciadapter->GetCaids(slot,0,0)) {
version=ciadapter->GetCaids(slot,caids,MAX_CI_SLOT_CAIDS);
PRINTF(L_CORE_CI,"%d.%d: now using CAIDs version %d",cardIndex,slot,version);
res=true;
}
checkTimer.Set(SLOT_CAID_CHECK);
}
return res;
}
int cScCamSlot::GetLength(const unsigned char * &data)
{
int len=*data++;
if(len&TDPU_SIZE_INDICATOR) {
int i;
for(i=len&~TDPU_SIZE_INDICATOR, len=0; i>0; i--) len=(len<<8) + *data++;
}
return len;
}
int cScCamSlot::LengthSize(int n)
{
return n<TDPU_SIZE_INDICATOR?1:3;
}
void cScCamSlot::SetSize(int n, unsigned char * &p)
{
if(n<TDPU_SIZE_INDICATOR) *p++=n;
else { *p++=2|TDPU_SIZE_INDICATOR; *p++=n>>8; *p++=n&0xFF; }
}
void cScCamSlot::CaInfo(int tcid, int cid)
{
int cn=0;
for(int i=0; caids[i]; i++) cn+=2;
int n=cn+8+LengthSize(cn);
unsigned char *p;
if(!(p=frame.GetBuff(n+1+LengthSize(n)))) return;
*p++=0xa0;
SetSize(n,p);
*p++=tcid;
*p++=0x90;
*p++=0x02; *p++=cid>>8; *p++=cid&0xff;
*p++=0x9f; *p++=0x80; *p++=0x31; // AOT_CA_INFO
SetSize(cn,p);
for(int i=0; caids[i]; i++) { *p++=caids[i]>>8; *p++=caids[i]&0xff; }
frame.Put();
PRINTF(L_CORE_CI,"%d.%d sending CA info",cardIndex,slot);
}
void cScCamSlot::Process(const unsigned char *data, int len)
{
const unsigned char *save=data;
data+=3;
int dlen=GetLength(data);
if(dlen>len-(data-save)) {
PRINTF(L_CORE_CI,"%d.%d TDPU length exceeds data length",cardIndex,slot);
dlen=len-(data-save);
}
int tcid=data[0];
if(Check()) CaInfo(tcid,0x01);
if(dlen<8 || data[1]!=0x90) return;
int cid=(data[3]<<8)+data[4];
int tag=(data[5]<<16)+(data[6]<<8)+data[7];
data+=8;
dlen=GetLength(data);
if(dlen>len-(data-save)) {
PRINTF(L_CORE_CI,"%d.%d tag length exceeds data length",cardIndex,slot);
dlen=len-(data-save);
}
switch(tag) {
case 0x9f8030: // AOT_CA_INFO_ENQ
CaInfo(tcid,cid);
break;
case 0x9f8032: // AOT_CA_PMT
if(dlen>=6) {
int ca_lm=data[0];
int ci_cmd=-1;
cPrg *prg=new cPrg((data[1]<<8)+data[2],ca_lm==5);
int ilen=(data[4]<<8)+data[5];
LBSTARTF(L_CORE_CI);
LBPUT("%d.%d CA_PMT decoding len=%x lm=%x prg=%d len=%x",cardIndex,slot,dlen,ca_lm,(data[1]<<8)+data[2],ilen);
data+=6; dlen-=6;
LBPUT("/%x",dlen);
if(ilen>0 && dlen>=ilen) {
ci_cmd=data[0];
if(ilen>1)
prg->caDescr.Set(&data[1],ilen-1);
LBPUT(" ci_cmd(G)=%02x",ci_cmd);
}
data+=ilen; dlen-=ilen;
while(dlen>=5) {
cPrgPid *pid=new cPrgPid(data[0],(data[1]<<8)+data[2]);
prg->pids.Add(pid);
ilen=(data[3]<<8)+data[4];
LBPUT(" pid=%d,%x len=%x",data[0],(data[1]<<8)+data[2],ilen);
data+=5; dlen-=5;
LBPUT("/%x",dlen);
if(ilen>0 && dlen>=ilen) {
ci_cmd=data[0];
if(ilen>1) {
pid->caDescr.Set(&data[1],ilen-1);
prg->SetPidCaDescr(true);
}
LBPUT(" ci_cmd(S)=%x",ci_cmd);
}
data+=ilen; dlen-=ilen;
}
LBEND();
PRINTF(L_CORE_CI,"%d.%d got CA pmt ciCmd=%d caLm=%d",cardIndex,slot,ci_cmd,ca_lm);
if(doReply && (ci_cmd==0x03 || (ci_cmd==0x01 && ca_lm==0x03))) {
unsigned char *b;
if((b=frame.GetBuff(4+11))) {
b[0]=0xa0; b[2]=tcid;
b[3]=0x90;
b[4]=0x02; b[5]=cid<<8; b[6]=cid&0xff;
b[7]=0x9f; b[8]=0x80; b[9]=0x33; // AOT_CA_PMT_REPLY
b[11]=prg->sid<<8;
b[12]=prg->sid&0xff;
b[13]=0x00;
b[14]=0x81; // CA_ENABLE
b[10]=4; b[1]=4+9;
frame.Put();
PRINTF(L_CORE_CI,"%d.%d answer to query",cardIndex,slot);
}
}
if(prg->sid!=0) {
if(ci_cmd==0x04) {
PRINTF(L_CORE_CI,"%d.%d stop decrypt",cardIndex,slot);
ciadapter->CamStop();
}
if(ci_cmd==0x01 || (ci_cmd==-1 && (ca_lm==0x04 || ca_lm==0x05))) {
PRINTF(L_CORE_CI,"%d.%d set CAM decrypt (prg %d)",cardIndex,slot,prg->sid);
ciadapter->CamAddPrg(prg);
}
}
delete prg;
}
break;
}
}
// -- cScCiAdapter -------------------------------------------------------------
cScCiAdapter::cScCiAdapter(cDevice *Device, int CardIndex, cCam *Cam)
{
device=Device; cardIndex=CardIndex; cam=Cam;
tcid=0; rebuildcaids=false;
memset(version,0,sizeof(version));
memset(slots,0,sizeof(slots));
SetDescription("SC-CI adapter on device %d",cardIndex);
rb=new cRingBufferLinear(KILOBYTE(8),6+LEN_OFF,false,"SC-CI adapter read");
if(rb) {
rb->SetTimeouts(0,CAM_READ_TIMEOUT);
frame.SetRb(rb);
/*
bool spare=true;
for(int i=0; i<MAX_CI_SLOTS; i++) {
if(GetCaids(i,0,0)<=0) {
if(!spare) break;
spare=false;
}
slots[i]=new cScCamSlot(this,cardIndex,i);
}
*/
BuildCaids(true);
slots[0]=new cScCamSlot(this,cardIndex,0);
Start();
}
else PRINTF(L_GEN_ERROR,"failed to create ringbuffer for SC-CI adapter %d.",cardIndex);
}
cScCiAdapter::~cScCiAdapter()
{
Cancel(3);
ciMutex.Lock();
delete rb; rb=0;
ciMutex.Unlock();
}
void cScCiAdapter::CamStop(void)
{
if(cam) cam->Stop();
}
void cScCiAdapter::CamAddPrg(cPrg *prg)
{
if(cam) cam->AddPrg(prg);
}
bool cScCiAdapter::CamSoftCSA(void)
{
return cam && cam->IsSoftCSA(false);
}
int cScCiAdapter::GetCaids(int slot, unsigned short *Caids, int max)
{
BuildCaids(false);
cMutexLock lock(&ciMutex);
if(Caids) {
int i;
for(i=0; i<MAX_CI_SLOT_CAIDS && i<max && caids[i]; i++) Caids[i]=caids[slot][i];
Caids[i]=0;
}
return version[slot];
}
void cScCiAdapter::CaidsChanged(void)
{
rebuildcaids=true;
}
void cScCiAdapter::BuildCaids(bool force)
{
if(caidTimer.TimedOut() || force || (rebuildcaids && triggerTimer.TimedOut())) {
PRINTF(L_CORE_CAIDS,"%d: building caid lists",cardIndex);
cChannelList list(cardIndex);
Channels.Lock(false);
for(cChannel *channel=Channels.First(); channel; channel=Channels.Next(channel)) {
if(!channel->GroupSep() && channel->Ca()>=CA_ENCRYPTED_MIN && device->ProvidesTransponder(channel)) {
cChannelCaids *ch=new cChannelCaids(channel);
if(ch) list.Add(ch);
}
}
Channels.Unlock();
list.Unique(true);
list.CheckIgnore();
list.Unique(false);
int n=0, h;
caid_t c[MAX_CI_SLOT_CAIDS+1];
memset(c,0,sizeof(c));
do {
if((h=list.Histo())<0) break;
c[n++]=h;
LBSTART(L_CORE_CAIDS);
LBPUT("%d: added %04x caids now",cardIndex,h); for(int i=0; i<n; i++) LBPUT(" %04x",c[i]);
LBEND();
list.Purge(h,false);
} while(n<MAX_CI_SLOT_CAIDS && list.Count()>0);
c[n]=0;
if(n==0) PRINTF(L_CORE_CI,"no active CAIDs");
else if(list.Count()>0) PRINTF(L_GEN_ERROR,"too many CAIDs. You should ignore some CAIDs.");
ciMutex.Lock();
if((version[0]==0 && c[0]!=0) || memcmp(caids[0],c,sizeof(caids[0]))) {
memcpy(caids[0],c,sizeof(caids[0]));
version[0]++;
if(version[0]>0) {
LBSTART(L_CORE_CI);
LBPUT("card %d, slot %d (v=%2d) caids:",cardIndex,0,version[0]);
for(int i=0; caids[0][i]; i++) LBPUT(" %04x",caids[0][i]);
LBEND();
}
}
ciMutex.Unlock();
caidTimer.Set(CAID_TIME);
triggerTimer.Set(TRIGGER_TIME);
rebuildcaids=false;
}
}
int cScCiAdapter::Read(unsigned char *Buffer, int MaxLength)
{
cMutexLock lock(&ciMutex);
if(cam && rb && Buffer && MaxLength>0) {
int s;
unsigned char *data=frame.Get(s);
if(data) {
if(s<=MaxLength) memcpy(Buffer,data,s);
else PRINTF(L_GEN_DEBUG,"internal: sc-ci %d rb frame size exceeded %d",cardIndex,s);
frame.Del();
if(Buffer[2]!=0x80 || LOG(L_CORE_CIFULL)) {
LDUMP(L_CORE_CI,Buffer,s,"%d.%d <-",cardIndex,Buffer[0]);
readTimer.Set();
}
return s;
}
}
else cCondWait::SleepMs(CAM_READ_TIMEOUT);
if(LOG(L_CORE_CIFULL) && readTimer.Elapsed()>2000) {
PRINTF(L_CORE_CIFULL,"%d: read heartbeat",cardIndex);
readTimer.Set();
}
return 0;
}
#define TPDU(data,slot) do { unsigned char *_d=(data); _d[0]=(slot); _d[1]=tcid; } while(0)
#define TAG(data,tag,len) do { unsigned char *_d=(data); _d[0]=(tag); _d[1]=(len); } while(0)
#define SB_TAG(data,sb) do { unsigned char *_d=(data); _d[0]=0x80; _d[1]=0x02; _d[2]=tcid; _d[3]=(sb); } while(0)
void cScCiAdapter::Write(const unsigned char *buff, int len)
{
cMutexLock lock(&ciMutex);
if(cam && buff && len>=5) {
struct TPDU *tpdu=(struct TPDU *)buff;
int slot=tpdu->slot;
cCiFrame *slotframe=slots[slot]->Frame();
if(buff[2]!=0xA0 || buff[3]>0x01 || LOG(L_CORE_CIFULL))
LDUMP(L_CORE_CI,buff,len,"%d.%d ->",cardIndex,slot);
if(slots[slot]) {
switch(tpdu->tag) {
case 0x81: // T_RCV
{
int s;
unsigned char *d=slotframe->Get(s);
if(d) {
unsigned char *b;
if((b=frame.GetBuff(s+6))) {
TPDU(b,slot);
memcpy(b+2,d,s);
slotframe->Del(); // delete from rb before Avail()
SB_TAG(b+2+s,slotframe->Avail()>0 ? 0x80:0x00);
frame.Put();
}
else slotframe->Del();
}
break;
}
case 0x82: // T_CREATE_TC
{
tcid=tpdu->data[0];
unsigned char *b;
static const unsigned char reqCAS[] = { 0xA0,0x07,0x01,0x91,0x04,0x00,0x03,0x00,0x41 };
if((b=slotframe->GetBuff(sizeof(reqCAS)))) {
memcpy(b,reqCAS,sizeof(reqCAS));
b[2]=tcid;
slotframe->Put();
}
if((b=frame.GetBuff(9))) {
TPDU(b,slot);
TAG(&b[2],0x83,0x01); b[4]=tcid;
SB_TAG(&b[5],slotframe->Avail()>0 ? 0x80:0x00);
frame.Put();
}
break;
}
case 0xA0: // T_DATA_LAST
{
slots[slot]->Process(buff,len);
unsigned char *b;
if((b=frame.GetBuff(6))) {
TPDU(b,slot);
SB_TAG(&b[2],slotframe->Avail()>0 ? 0x80:0x00);
frame.Put();
}
break;
}
}
}
}
else PRINTF(L_CORE_CIFULL,"%d: short write (cam=%d buff=%d len=%d)",cardIndex,cam!=0,buff!=0,len);
}
bool cScCiAdapter::Reset(int Slot)
{
cMutexLock lock(&ciMutex);
PRINTF(L_CORE_CI,"%d: reset of slot %d requested",cardIndex,Slot);
return slots[Slot] ? slots[Slot]->Reset():false;
}
eModuleStatus cScCiAdapter::ModuleStatus(int Slot)
{
cMutexLock lock(&ciMutex);
bool enable=ScSetup.CapCheck(cardIndex);
if(!enable) CamStop();
return (enable && cam && slots[Slot]) ? slots[Slot]->Status():msNone;
}
bool cScCiAdapter::Assign(cDevice *Device, bool Query)
{
return Device ? (Device==device) : true;
}
// -- cDeCSA -------------------------------------------------------------------
#define MAX_CSA_PIDS 8192
#define MAX_CSA_IDX 16
#define MAX_STALL_MS 70
#define MAX_REL_WAIT 100 // time to wait if key in used on set
#define MAX_KEY_WAIT 500 // time to wait if key not ready on change
#define FL_EVEN_GOOD 1
#define FL_ODD_GOOD 2
#define FL_ACTIVITY 4
class cDeCSA {
private:
int cs;
unsigned char **range, *lastData;
unsigned char pidmap[MAX_CSA_PIDS];
void *keys[MAX_CSA_IDX];
unsigned int even_odd[MAX_CSA_IDX], flags[MAX_CSA_IDX];
cMutex mutex;
cCondVar wait;
cTimeMs stall;
bool active;