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;
}
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_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;
}
}
if(null == 0 || chk_is_null_CW(er->cw))
{
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;
}
if(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.
}
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.
}