void cacheex_push_out(struct s_client *cl, ECM_REQUEST *er)
{
int32_t res = 0, stats = -1;
struct s_reader *reader = cl->reader;
struct s_module *module = get_module(cl);
// cc-nodeid-list-check
if(reader)
{
if(reader->ph.c_cache_push_chk && !reader->ph.c_cache_push_chk(cl, er))
return;
res = reader->ph.c_cache_push(cl, er);
stats = cacheex_add_stats(cl, er->caid, er->srvid, er->prid, 0);
}
else
{
if(module->c_cache_push_chk && !module->c_cache_push_chk(cl, er))
return;
res = module->c_cache_push(cl, er);
}
debug_ecm(D_CACHEEX, "pushed ECM %s to %s res %d stats %d", buf, username(cl), res, stats);
cl->cwcacheexpush++;
if(cl->account)
{ cl->account->cwcacheexpush++; }
first_client->cwcacheexpush++;
}
static int32_t cacheex_add_to_cache_int(struct s_client *cl, ECM_REQUEST *er, int8_t csp)
{
if(er->rc >= E_NOTFOUND) {
return 0;
}
if(!cl)
{
return 0;
}
if(!csp && cl->reader && cl->reader->cacheex.mode != 2) //from reader
{
cs_debug_mask(D_CACHEEX, "CACHEX received, but disabled for %s", username(cl));
return 0;
}
if(!csp && !cl->reader && cl->account && cl->account->cacheex.mode != 3) //from user
{
cs_debug_mask(D_CACHEEX, "CACHEX received, but disabled for %s", username(cl));
return 0;
}
if(!csp && !cl->reader && !cl->account) //not active!
{
cs_debug_mask(D_CACHEEX, "CACHEX received, but invalid client state %s", username(cl));
return 0;
}
uint8_t i, c;
uint8_t null = 0;
for(i = 0; i < 16; i += 4)
{
c = ((er->cw[i] + er->cw[i + 1] + er->cw[i + 2]) & 0xff);
null |= (er->cw[i] | er->cw[i + 1] | er->cw[i + 2]);
if(er->cw[i + 3] != c)
{
cs_ddump_mask(D_CACHEEX, er->cw, 16, "push received cw with chksum error from %s", csp ? "csp" : username(cl));
cl->cwcacheexerr++;
if(cl->account)
{
cl->account->cwcacheexerr++;
}
return 0;
}
}
if(null == 0 || chk_is_null_CW(er->cw))
{
cs_ddump_mask(D_CACHEEX, er->cw, 16, "push received null cw from %s", csp ? "csp" : username(cl));
cl->cwcacheexerr++;
if(cl->account)
{
cl->account->cwcacheexerr++;
}
return 0;
}
er->grp |= cl->grp; //ok for mode2 reader too: cl->reader->grp
er->rc = E_CACHEEX;
er->cacheex_src = cl;
er->selected_reader = cl->reader;
er->client = NULL; //No Owner! So no fallback!
if(check_client(cl))
{
cl->cwcacheexgot++;
if(cl->account)
{
cl->account->cwcacheexgot++;
}
first_client->cwcacheexgot++;
}
add_hitcache(cl, er); //we have to call it before add_cache, because in chk_process we could remove it!
add_cache(er);
cacheex_add_stats(cl, er->caid, er->srvid, er->prid, 1);
cs_writelock(&ecm_pushed_deleted_lock);
er->next = ecm_pushed_deleted;
ecm_pushed_deleted = er;
cs_writeunlock(&ecm_pushed_deleted_lock);
return 1; //NO free, we have to wait cache push out stuff ends.
}
void *work_thread(void *ptr)
{
struct job_data *data = (struct job_data *)ptr;
struct s_client *cl = data->cl;
struct s_reader *reader = cl->reader;
struct timeb start, end; // start time poll, end time poll
struct job_data tmp_data;
struct pollfd pfd[1];
pthread_setspecific(getclient, cl);
cl->thread = pthread_self();
cl->thread_active = 1;
set_work_thread_name(data);
struct s_module *module = get_module(cl);
uint16_t bufsize = module->bufsize; //CCCam needs more than 1024bytes!
if(!bufsize)
{ bufsize = 1024; }
uint8_t *mbuf;
if(!cs_malloc(&mbuf, bufsize))
{ return NULL; }
cl->work_mbuf = mbuf; // Track locally allocated data, because some callback may call cs_exit/cs_disconect_client/pthread_exit and then mbuf would be leaked
int32_t n = 0, rc = 0, i, idx, s;
uint8_t dcw[16];
int8_t restart_reader = 0;
while(cl->thread_active)
{
cs_ftime(&start); // register start time
while(cl->thread_active)
{
if(!cl || cl->kill || !is_valid_client(cl))
{
pthread_mutex_lock(&cl->thread_lock);
cl->thread_active = 0;
pthread_mutex_unlock(&cl->thread_lock);
cs_debug_mask(D_TRACE, "ending thread (kill)");
__free_job_data(cl, data);
cl->work_mbuf = NULL; // Prevent free_client from freeing mbuf (->work_mbuf)
free_client(cl);
if(restart_reader)
{ restart_cardreader(reader, 0); }
NULLFREE(mbuf);
pthread_exit(NULL);
return NULL;
}
if(data && data->action != ACTION_READER_CHECK_HEALTH)
{ cs_debug_mask(D_TRACE, "data from add_job action=%d client %c %s", data->action, cl->typ, username(cl)); }
if(!data)
{
if(!cl->kill && cl->typ != 'r')
{ client_check_status(cl); } // do not call for physical readers as this might cause an endless job loop
pthread_mutex_lock(&cl->thread_lock);
if(cl->joblist && ll_count(cl->joblist) > 0)
{
LL_ITER itr = ll_iter_create(cl->joblist);
data = ll_iter_next_remove(&itr);
if(data)
{ set_work_thread_name(data); }
//cs_debug_mask(D_TRACE, "start next job from list action=%d", data->action);
}
pthread_mutex_unlock(&cl->thread_lock);
}
if(!data)
{
/* for serial client cl->pfd is file descriptor for serial port not socket
for example: pfd=open("/dev/ttyUSB0"); */
if(!cl->pfd || module->listenertype == LIS_SERIAL)
{ break; }
pfd[0].fd = cl->pfd;
pfd[0].events = POLLIN | POLLPRI;
pthread_mutex_lock(&cl->thread_lock);
cl->thread_active = 2;
pthread_mutex_unlock(&cl->thread_lock);
rc = poll(pfd, 1, 3000);
pthread_mutex_lock(&cl->thread_lock);
cl->thread_active = 1;
pthread_mutex_unlock(&cl->thread_lock);
if(rc > 0)
{
cs_ftime(&end); // register end time
cs_debug_mask(D_TRACE, "[OSCAM-WORK] new event %d occurred on fd %d after %"PRId64" ms inactivity", pfd[0].revents,
pfd[0].fd, comp_timeb(&end, &start));
data = &tmp_data;
data->ptr = NULL;
cs_ftime(&start); // register start time for new poll next run
if(reader)
{ data->action = ACTION_READER_REMOTE; }
else
{
if(cl->is_udp)
{
data->action = ACTION_CLIENT_UDP;
data->ptr = mbuf;
data->len = bufsize;
}
else
{ data->action = ACTION_CLIENT_TCP; }
if(pfd[0].revents & (POLLHUP | POLLNVAL | POLLERR))
{ cl->kill = 1; }
}
}
}
if(!data)
{ continue; }
if(!reader && data->action < ACTION_CLIENT_FIRST)
{
__free_job_data(cl, data);
break;
}
if(!data->action)
{ break; }
struct timeb actualtime;
cs_ftime(&actualtime);
int32_t gone = comp_timeb(&actualtime, &data->time);
if(data != &tmp_data && gone > (int) cfg.ctimeout+1000)
{
cs_debug_mask(D_TRACE, "dropping client data for %s time %dms", username(cl), gone);
__free_job_data(cl, data);
continue;
}
if(data != &tmp_data)
{ cl->work_job_data = data; } // Track the current job_data
switch(data->action)
{
case ACTION_READER_IDLE:
reader_do_idle(reader);
break;
case ACTION_READER_REMOTE:
s = check_fd_for_data(cl->pfd);
if(s == 0) // no data, another thread already read from fd?
{ break; }
if(s < 0)
{
if(reader->ph.type == MOD_CONN_TCP)
{ network_tcp_connection_close(reader, "disconnect"); }
break;
}
rc = reader->ph.recv(cl, mbuf, bufsize);
if(rc < 0)
{
if(reader->ph.type == MOD_CONN_TCP)
{ network_tcp_connection_close(reader, "disconnect on receive"); }
break;
}
cl->last = time(NULL); // *********************************** TO BE REPLACE BY CS_FTIME() LATER ****************
idx = reader->ph.c_recv_chk(cl, dcw, &rc, mbuf, rc);
if(idx < 0) { break; } // no dcw received
if(!idx) { idx = cl->last_idx; }
reader->last_g = time(NULL); // *********************************** TO BE REPLACE BY CS_FTIME() LATER **************** // for reconnect timeout
for(i = 0, n = 0; i < cfg.max_pending && n == 0; i++)
{
if(cl->ecmtask[i].idx == idx)
{
cl->pending--;
casc_check_dcw(reader, i, rc, dcw);
n++;
}
}
break;
case ACTION_READER_RESET:
cardreader_do_reset(reader);
break;
case ACTION_READER_ECM_REQUEST:
reader_get_ecm(reader, data->ptr);
break;
case ACTION_READER_EMM:
reader_do_emm(reader, data->ptr);
break;
case ACTION_READER_CARDINFO:
reader_do_card_info(reader);
break;
case ACTION_READER_INIT:
if(!cl->init_done)
{ reader_init(reader); }
break;
case ACTION_READER_RESTART:
cl->kill = 1;
restart_reader = 1;
break;
case ACTION_READER_RESET_FAST:
reader->card_status = CARD_NEED_INIT;
cardreader_do_reset(reader);
break;
case ACTION_READER_CHECK_HEALTH:
cardreader_do_checkhealth(reader);
break;
case ACTION_READER_CAPMT_NOTIFY:
if(reader->ph.c_capmt) { reader->ph.c_capmt(cl, data->ptr); }
break;
case ACTION_CLIENT_UDP:
n = module->recv(cl, data->ptr, data->len);
if(n < 0) { break; }
module->s_handler(cl, data->ptr, n);
break;
case ACTION_CLIENT_TCP:
s = check_fd_for_data(cl->pfd);
if(s == 0) // no data, another thread already read from fd?
{ break; }
if(s < 0) // system error or fd wants to be closed
{
cl->kill = 1; // kill client on next run
continue;
}
n = module->recv(cl, mbuf, bufsize);
if(n < 0)
{
cl->kill = 1; // kill client on next run
continue;
}
module->s_handler(cl, mbuf, n);
break;
case ACTION_CACHEEX_TIMEOUT:
#ifdef CS_CACHEEX
cacheex_timeout(data->ptr);
#endif
break;
case ACTION_FALLBACK_TIMEOUT:
fallback_timeout(data->ptr);
break;
case ACTION_CLIENT_TIMEOUT:
ecm_timeout(data->ptr);
break;
case ACTION_ECM_ANSWER_READER:
chk_dcw(data->ptr);
break;
case ACTION_ECM_ANSWER_CACHE:
write_ecm_answer_fromcache(data->ptr);
break;
case ACTION_CLIENT_INIT:
if(module->s_init)
{ module->s_init(cl); }
cl->is_udp = module->type == MOD_CONN_UDP;
cl->init_done = 1;
break;
case ACTION_CLIENT_IDLE:
if(module->s_idle)
{ module->s_idle(cl); }
else
{
cs_log("user %s reached %d sec idle limit.", username(cl), cfg.cmaxidle);
cl->kill = 1;
}
break;
case ACTION_CACHE_PUSH_OUT:
{
#ifdef CS_CACHEEX
ECM_REQUEST *er = data->ptr;
int32_t res = 0, stats = -1;
// cc-nodeid-list-check
if(reader)
{
if(reader->ph.c_cache_push_chk && !reader->ph.c_cache_push_chk(cl, er))
{ break; }
res = reader->ph.c_cache_push(cl, er);
stats = cacheex_add_stats(cl, er->caid, er->srvid, er->prid, 0);
}
else
{
if(module->c_cache_push_chk && !module->c_cache_push_chk(cl, er))
{ break; }
res = module->c_cache_push(cl, er);
}
debug_ecm(D_CACHEEX, "pushed ECM %s to %s res %d stats %d", buf, username(cl), res, stats);
cl->cwcacheexpush++;
if(cl->account)
{ cl->account->cwcacheexpush++; }
first_client->cwcacheexpush++;
#endif
break;
}
case ACTION_CLIENT_KILL:
cl->kill = 1;
break;
case ACTION_CLIENT_SEND_MSG:
{
#ifdef MODULE_CCCAM
struct s_clientmsg *clientmsg = (struct s_clientmsg *)data->ptr;
cc_cmd_send(cl, clientmsg->msg, clientmsg->len, clientmsg->cmd);
#endif
break;
}
} // switch
__free_job_data(cl, data);
}
if(thread_pipe[1] && (mbuf[0] != 0x00))
{
cs_ddump_mask(D_TRACE, mbuf, 1, "[OSCAM-WORK] Write to pipe:");
if(write(thread_pipe[1], mbuf, 1) == -1) // wakeup client check
{
cs_debug_mask(D_TRACE, "[OSCAM-WORK] Writing to pipe failed (errno=%d %s)", errno, strerror(errno));
}
}
// Check for some race condition where while we ended, another thread added a job
pthread_mutex_lock(&cl->thread_lock);
if(cl->joblist && ll_count(cl->joblist) > 0)
{
pthread_mutex_unlock(&cl->thread_lock);
continue;
}
else
{
cl->thread_active = 0;
pthread_mutex_unlock(&cl->thread_lock);
break;
}
}
cl->thread_active = 0;
cl->work_mbuf = NULL; // Prevent free_client from freeing mbuf (->work_mbuf)
NULLFREE(mbuf);
pthread_exit(NULL);
return NULL;
}
static int32_t cacheex_add_to_cache_int(struct s_client *cl, ECM_REQUEST *er, int8_t csp)
{
if(er->rc >= E_NOTFOUND) { return 0; }
if(!cl)
{ return 0; }
if(!csp && cl->reader && cl->reader->cacheex.mode != 2) //from reader
{
cs_log_dbg(D_CACHEEX, "CACHEX received, but disabled for %s", username(cl));
return 0;
}
if(!csp && !cl->reader && cl->account && cl->account->cacheex.mode != 3) //from user
{
cs_log_dbg(D_CACHEEX, "CACHEX received, but disabled for %s", username(cl));
return 0;
}
if(!csp && !cl->reader && !cl->account) //not active!
{
cs_log_dbg(D_CACHEEX, "CACHEX received, but invalid client state %s", username(cl));
return 0;
}
if(!cfg.disablecrccws && ((cl->typ == 'c' && !cl->account->disablecrccacheex) || ( cl->typ == 'p' && !cl->reader->disablecrccws)))
{
uint8_t selectedForIgnChecksum = chk_if_ignore_checksum(er, &cfg.disablecrccws_only_for);
if(cl->typ == 'c')
{
selectedForIgnChecksum += chk_if_ignore_checksum(er, &cl->account->disablecrccacheex_only_for);
}
if(cl->typ == 'p')
{
selectedForIgnChecksum += chk_if_ignore_checksum(er, &cl->reader->disablecrccws_only_for);
}
if(!selectedForIgnChecksum)
{
uint8_t i, c;
for(i = 0; i < 16; i += 4)
{
c = ((er->cw[i] + er->cw[i + 1] + er->cw[i + 2]) & 0xff);
if(er->cw[i + 3] != c)
{
cs_log_dump_dbg(D_CACHEEX, er->cw, 16, "push received cw with chksum error from %s", csp ? "csp" : username(cl));
cl->cwcacheexerr++;
if(cl->account)
{ cl->account->cwcacheexerr++; }
return 0;
}
}
}
}
// 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(chk_is_null_CW(er->cw) && !caid_is_biss(er->caid))
{
cs_log_dump_dbg(D_CACHEEX, er->cw, 16, "push received null cw from %s", csp ? "csp" : username(cl));
cl->cwcacheexerr++;
if(cl->account)
{ cl->account->cwcacheexerr++; }
return 0;
}
// Don't check for BISS1 and BISS2 mode 1/E or fake caid (ECM is fake for them)
// Don't check for BISS2 mode CA (ECM table is always 0x80)
if(!caid_is_biss(er->caid) && !caid_is_fake(er->caid) && get_odd_even(er) == 0)
{
cs_log_dbg(D_CACHEEX, "push received ecm with null odd/even byte from %s", csp ? "csp" : username(cl));
cl->cwcacheexerr++;
if(cl->account)
{ cl->account->cwcacheexerr++; }
return 0;
}
if(!chk_halfCW(er, er->cw))
{
log_cacheex_cw(er, "bad half cw");
cl->cwcacheexerr++;
if(cl->account)
{ cl->account->cwcacheexerr++; }
return 0;
}
if((csp && cfg.csp.block_fakecws) || (cl->reader && cl->reader->cacheex.block_fakecws)
|| (!cl->reader && cl->account && cl->account->cacheex.block_fakecws))
{
if(chk_is_fakecw(er->cw))
{
cs_log_dbg(D_CACHEEX, "push received fake cw from %s", csp ? "csp" : username(cl));
cl->cwcacheexerr++;
if(cl->account)
{ cl->account->cwcacheexerr++; }
return 0;
}
}
er->grp |= cl->grp; // ok for mode2 reader too: cl->reader->grp
er->rc = E_CACHEEX;
er->cacheex_src = cl;
er->selected_reader = cl->reader;
er->client = NULL; // No Owner! So no fallback!
if(check_client(cl))
{
cl->cwcacheexgot++;
if(cl->account)
{ cl->account->cwcacheexgot++; }
first_client->cwcacheexgot++;
}
cacheex_add_hitcache(cl, er); // we have to call it before add_cache, because in chk_process we could remove it!
add_cache(er);
cacheex_add_stats(cl, er->caid, er->srvid, er->prid, 1);
cs_writelock(__func__, &ecm_pushed_deleted_lock);
er->next = ecm_pushed_deleted;
ecm_pushed_deleted = er;
cs_writeunlock(__func__, &ecm_pushed_deleted_lock);
return 1; // NO free, we have to wait cache push out stuff ends.
}