oscam-2.26.01-11942-802-wit.../module-dvbapi-azbox.c
2026-02-17 10:06:53 +00:00

355 lines
9.8 KiB
C
Executable File

#define MODULE_LOG_PREFIX "dvbazbox"
#include "globals.h"
#if defined(HAVE_DVBAPI) && defined(WITH_AZBOX)
#include "extapi/openxcas/openxcas_api.h"
#include "extapi/openxcas/openxcas_message.h"
#include "module-dvbapi.h"
#include "module-dvbapi-azbox.h"
#include "oscam-client.h"
#include "oscam-ecm.h"
#include "oscam-reader.h"
#include "oscam-string.h"
#include "oscam-time.h"
// These variables are declared in module-dvbapi.c
extern void *dvbapi_client;
extern DEMUXTYPE demux[MAX_DEMUX];
// These are used in module-dvbapi.c
int32_t openxcas_provid;
uint16_t openxcas_sid, openxcas_caid, openxcas_ecm_pid;
static uint8_t openxcas_cw[16];
static int32_t openxcas_seq, openxcas_filter_idx, openxcas_stream_id, openxcas_cipher_idx, openxcas_busy = 0;
static uint16_t openxcas_video_pid, openxcas_audio_pid, openxcas_data_pid;
static void azbox_openxcas_ecm_callback(int32_t stream_id, uint32_t UNUSED(seq), int32_t cipher_index, uint32_t UNUSED(caid), uint8_t *ecm_data, int32_t l, uint16_t pid)
{
cs_log_dbg(D_DVBAPI, "ecm callback received");
openxcas_stream_id = stream_id;
//openxcas_seq = seq;
//openxcas_caid = caid;
openxcas_ecm_pid = pid;
openxcas_busy = 1;
if(l < 0 || l > MAX_ECM_SIZE)
{ return; }
ECM_REQUEST *er;
if(!(er = get_ecmtask()))
{ return; }
er->srvid = openxcas_sid;
er->caid = openxcas_caid;
er->pid = openxcas_ecm_pid;
er->prid = openxcas_provid;
er->ecmlen = l;
memcpy(er->ecm, ecm_data, er->ecmlen);
request_cw(dvbapi_client, er, 0, 0);
//openxcas_stop_filter(openxcas_stream_id, OPENXCAS_FILTER_ECM);
//openxcas_remove_filter(openxcas_stream_id, OPENXCAS_FILTER_ECM);
openxcas_cipher_idx = cipher_index;
struct timeb tp;
cs_ftime(&tp);
tp.time += 500;
}
static void azbox_openxcas_ex_callback(int32_t stream_id, uint32_t seq, int32_t idx, uint32_t pid, uint8_t *ecm_data, int32_t l)
{
cs_log_dbg(D_DVBAPI, "ex callback received");
openxcas_stream_id = stream_id;
openxcas_ecm_pid = pid;
openxcas_cipher_idx = idx; // is this really cipher_idx?
if(l < 0 || l > MAX_ECM_SIZE)
{ return; }
ECM_REQUEST *er;
if(!(er = get_ecmtask()))
{ return; }
er->srvid = openxcas_sid;
er->caid = openxcas_caid;
er->pid = openxcas_ecm_pid;
er->prid = openxcas_provid;
er->ecmlen = l;
memcpy(er->ecm, ecm_data, er->ecmlen);
request_cw(dvbapi_client, er, 0, 0);
if(openxcas_stop_filter_ex(stream_id, seq, openxcas_filter_idx) < 0)
{ cs_log("unable to stop ex filter"); }
else
{ cs_log_dbg(D_DVBAPI, "ex filter stopped"); }
uint8_t mask[12];
uint8_t comp[12];
memset(&mask, 0x00, sizeof(mask));
memset(&comp, 0x00, sizeof(comp));
mask[0] = 0xff;
comp[0] = ecm_data[0] ^ 1;
if((openxcas_filter_idx = openxcas_start_filter_ex(stream_id, seq, openxcas_ecm_pid, mask, comp, (void *)azbox_openxcas_ex_callback)) < 0)
{ cs_log("unable to start ex filter"); }
else
{ cs_log_dbg(D_DVBAPI, "ex filter started, pid = %x", openxcas_ecm_pid); }
}
static void *azbox_main_thread(void *cli)
{
struct s_client *client = (struct s_client *) cli;
client->thread = pthread_self();
SAFE_SETSPECIFIC(getclient, cli);
dvbapi_client = cli;
struct s_auth *account;
int32_t ok = 0;
for(account = cfg.account; account; account = account->next)
{
if((ok = is_dvbapi_usr(account->usr)))
{ break; }
}
cs_auth_client(client, ok ? account : (struct s_auth *)(-1), "dvbapi");
dvbapi_read_priority();
openxcas_msg_t msg;
int32_t ret;
while((ret = openxcas_get_message(&msg, 0)) >= 0)
{
cs_sleepms(10);
if(ret)
{
openxcas_stream_id = msg.stream_id;
openxcas_seq = msg.sequence;
struct stOpenXCAS_Data data;
switch(msg.cmd)
{
case OPENXCAS_SELECT_CHANNEL:
cs_log_dbg(D_DVBAPI, "OPENXCAS_SELECT_CHANNEL");
// parse channel info
struct stOpenXCASChannel chan;
memcpy(&chan, msg.buf, msg.buf_len);
cs_log("channel change: sid = %x, vpid = %x. apid = %x", chan.service_id, chan.v_pid, chan.a_pid);
openxcas_video_pid = chan.v_pid;
openxcas_audio_pid = chan.a_pid;
openxcas_data_pid = chan.d_pid;
break;
case OPENXCAS_START_PMT_ECM:
cs_log_dbg(D_DVBAPI, "OPENXCAS_START_PMT_ECM");
// parse pmt
uint8_t *dest;
if(!cs_malloc(&dest, msg.buf_len + 7 - 12 - 4))
{ break; }
memcpy(dest, "\x03\xFF\xFF\x00\x00\x13\x00", 7);
dest[1] = msg.buf[3];
dest[2] = msg.buf[4];
dest[5] = msg.buf[11] + 1;
memcpy(dest + 7, msg.buf + 12, msg.buf_len - 12 - 4);
dvbapi_parse_capmt(dest, 7 + msg.buf_len - 12 - 4, -1, NULL, 0, 0);
NULLFREE(dest);
uint8_t mask[12];
uint8_t comp[12];
memset(&mask, 0x00, sizeof(mask));
memset(&comp, 0x00, sizeof(comp));
mask[0] = 0xfe;
comp[0] = 0x80;
if((ret = openxcas_add_filter(msg.stream_id, OPENXCAS_FILTER_ECM, 0, 0xffff, openxcas_ecm_pid, mask, comp, (void *)azbox_openxcas_ecm_callback)) < 0)
{ cs_log("unable to add ecm filter"); }
else
{ cs_log_dbg(D_DVBAPI, "ecm filter added, pid = %x, caid = %x", openxcas_ecm_pid, 0); }
if(openxcas_start_filter(msg.stream_id, msg.sequence, OPENXCAS_FILTER_ECM) < 0)
{ cs_log("unable to start ecm filter"); }
else
{ cs_log_dbg(D_DVBAPI, "ecm filter started"); }
if(!openxcas_create_cipher_ex(msg.stream_id, openxcas_seq, 0, openxcas_ecm_pid, openxcas_video_pid, 0xffff, openxcas_audio_pid, 0xffff, 0xffff, 0xffff))
{ cs_log("failed to create cipher ex"); }
else
{ cs_log_dbg(D_DVBAPI, "cipher created"); }
break;
case OPENXCAS_STOP_PMT_ECM:
cs_log_dbg(D_DVBAPI, "OPENXCAS_STOP_PMT_ECM");
openxcas_stop_filter(msg.stream_id, OPENXCAS_FILTER_ECM);
openxcas_remove_filter(msg.stream_id, OPENXCAS_FILTER_ECM);
openxcas_stop_filter_ex(msg.stream_id, msg.sequence, openxcas_filter_idx);
openxcas_destory_cipher_ex(msg.stream_id, msg.sequence);
memset(&demux, 0, sizeof(demux));
break;
case OPENXCAS_ECM_CALLBACK:
cs_log_dbg(D_DVBAPI, "OPENXCAS_ECM_CALLBACK");
memcpy(&data, msg.buf, msg.buf_len);
if(!openxcas_busy)
{ openxcas_filter_callback(msg.stream_id, msg.sequence, OPENXCAS_FILTER_ECM, &data); }
break;
case OPENXCAS_PID_FILTER_CALLBACK:
cs_log_dbg(D_DVBAPI, "OPENXCAS_PID_FILTER_CALLBACK");
memcpy(&data, msg.buf, msg.buf_len);
openxcas_filter_callback_ex(msg.stream_id, msg.sequence, &data);
break;
case OPENXCAS_QUIT:
cs_log_dbg(D_DVBAPI, "OPENXCAS_QUIT");
openxcas_close();
cs_log("exited");
return NULL;
break;
case OPENXCAS_UKNOWN_MSG:
default:
cs_log_dbg(D_DVBAPI, "OPENXCAS_UKNOWN_MSG (%d)", msg.cmd);
//cs_log_dump_dbg(D_DVBAPI, &msg, sizeof(msg), "msg dump:");
break;
}
}
}
cs_log("invalid message");
return NULL;
}
void azbox_send_dcw(struct s_client *client, ECM_REQUEST *er)
{
struct s_dvbapi_priority *delayentry = dvbapi_check_prio_match(0, demux[0].pidindex, 'd');
uint32_t delay = 0;
cs_log_dbg(D_DVBAPI, "send_dcw");
if(delayentry)
{
if(delayentry->delay < 1000)
{
delay = delayentry->delay;
cs_log_dbg(D_DVBAPI, "specific delay: write cw %d ms after ecmrequest", delay);
}
}
else if (cfg.dvbapi_delayer > 0)
{
delay = cfg.dvbapi_delayer;
cs_log_dbg(D_DVBAPI, "generic delay: write cw %d ms after ecmrequest", delay);
}
delayer(er, delay);
if(cfg.dvbapi_ecminfo_file != 0)
{
dvbapi_write_ecminfo_file(client, er, demux[0].last_cw[0][0], demux[0].last_cw[0][1], 8);
}
openxcas_busy = 0;
int32_t i;
for(i = 0; i < MAX_DEMUX; i++)
{
if(er->rc >= E_NOTFOUND)
{
cs_log_dbg(D_DVBAPI, "cw not found");
if(demux[i].pidindex == -1)
{ dvbapi_try_next_caid(i, 0, 0); }
openxcas_stop_filter(openxcas_stream_id, OPENXCAS_FILTER_ECM);
openxcas_remove_filter(openxcas_stream_id, OPENXCAS_FILTER_ECM);
uint8_t mask[12];
uint8_t comp[12];
memset(&mask, 0x00, sizeof(mask));
memset(&comp, 0x00, sizeof(comp));
mask[0] = 0xfe;
comp[0] = 0x80;
if(openxcas_add_filter(openxcas_stream_id, OPENXCAS_FILTER_ECM, 0, 0xffff, openxcas_ecm_pid, mask, comp, (void *)azbox_openxcas_ecm_callback) < 0)
{
cs_log("unable to add ecm filter (0)");
if(openxcas_add_filter(openxcas_stream_id, OPENXCAS_FILTER_ECM, openxcas_caid, 0xffff, openxcas_ecm_pid, mask, comp, (void *)azbox_openxcas_ecm_callback) < 0)
{ cs_log("unable to add ecm filter (%04x)", openxcas_caid); }
else
{ cs_log_dbg(D_DVBAPI, "ecm filter added, pid = %x, caid = %x", openxcas_ecm_pid, openxcas_caid); }
}
else
{ cs_log_dbg(D_DVBAPI, "ecm filter added, pid = %x, caid = %x", openxcas_ecm_pid, 0); }
if(openxcas_start_filter(openxcas_stream_id, openxcas_seq, OPENXCAS_FILTER_ECM) < 0)
{ cs_log("unable to start ecm filter"); }
else
{ cs_log_dbg(D_DVBAPI, "ecm filter started"); }
return;
}
}
uint8_t nullcw[8];
memset(nullcw, 0, 8);
int32_t n;
for(n = 0; n < 2; n++)
{
// Skip check for BISS1 - cw could be indeed zero
// Skip check for BISS2 - we use the extended cw, so the "simple" cw is always zero
if(memcmp(er->cw + (n * 8), demux[0].last_cw[0][n], 8) && (memcmp(er->cw + (n * 8), nullcw, 8) != 0 || caid_is_biss(er->caid)))
{
memcpy(demux[0].last_cw[0][n], er->cw + (n * 8), 8);
memcpy(openxcas_cw + (n * 8), er->cw + (n * 8), 8);
}
}
if(openxcas_set_key(openxcas_stream_id, openxcas_seq, 0, openxcas_cipher_idx, openxcas_cw, openxcas_cw + 8) != 1)
{ cs_log("set cw failed"); }
else
{ cs_log_dump_dbg(D_DVBAPI, openxcas_cw, 16, "write cws to descrambler"); }
}
#ifdef WITH_CARDREADER
#define __openxcas_open openxcas_open_with_smartcard
#else
#define __openxcas_open openxcas_open
#endif
void azbox_init(void)
{
openxcas_debug_message_onoff(1); // debug
if(__openxcas_open("oscamCAS") < 0)
{ cs_log("could not init"); }
}
void azbox_close(void)
{
if(openxcas_close() < 0)
{ cs_log("could not close"); }
}
void *azbox_handler(struct s_client *cl, uint8_t *mbuf, int32_t module_idx)
{
return dvbapi_start_handler(cl, mbuf, module_idx, azbox_main_thread);
}
#endif