static int32_t conax_get_emm_type(EMM_PACKET *ep, struct s_reader * rdr)
{
int32_t i, ok = 0;
char tmp_dbg[17];
rdr_debug_mask(rdr, D_EMM, "Entered conax_get_emm_type ep->emm[2]=%02x", ep->emm[2]);
for (i = 0; i < rdr->nprov; i++) {
ok = (!memcmp(&ep->emm[6], rdr->sa[i], 4));
if (ok) break;
}
if (ok) {
ep->type = SHARED;
memset(ep->hexserial, 0, 8);
memcpy(ep->hexserial, &ep->emm[6], 4);
rdr_debug_mask_sensitive(rdr, D_EMM, "SHARED, ep->hexserial = {%s}", cs_hexdump(1, ep->hexserial, 8, tmp_dbg, sizeof(tmp_dbg)));
return 1;
}
else {
if (!memcmp(&ep->emm[6], rdr->hexserial + 2, 4)) {
ep->type = UNIQUE;
memset(ep->hexserial, 0, 8);
memcpy(ep->hexserial+2, &ep->emm[6], 4);
rdr_debug_mask_sensitive(rdr, D_EMM, "UNIQUE, ep->hexserial = {%s}", cs_hexdump(1, ep->hexserial, 8, tmp_dbg, sizeof(tmp_dbg)));
return 1;
}
else {
ep->type = GLOBAL;
rdr_debug_mask(rdr, D_EMM, "GLOBAL");
memset(ep->hexserial, 0, 8);
return 1;
}
}
}
void do_emm(struct s_client * client, EMM_PACKET *ep)
{
char *typtext[]={"unknown", "unique", "shared", "global"};
char tmp[17];
int32_t emmnok=0;
struct s_reader *aureader = NULL;
cs_ddump_mask(D_EMM, ep->emm, ep->emmlen, "emm:");
int8_t cl_dvbapi = 0, assemble = 0;
#ifdef HAVE_DVBAPI
cl_dvbapi = streq(cfg.dvbapi_usr, client->account->usr);
#endif
if (client->account->emm_reassembly > 1 || (client->account->emm_reassembly && cl_dvbapi))
assemble = 1;
LL_ITER itr = ll_iter_create(client->aureader_list);
while ((aureader = ll_iter_next(&itr))) {
if (!aureader->enable)
continue;
uint16_t caid = b2i(2, ep->caid);
uint32_t provid = b2i(4, ep->provid);
if (aureader->audisabled) {
rdr_debug_mask(aureader, D_EMM, "AU is disabled");
/* we have to write the log for blocked EMM here because
this EMM never reach the reader module where the rest
of EMM log is done. */
if (aureader->logemm & 0x10) {
rdr_log(aureader, "%s emmtype=%s, len=%d, idx=0, cnt=1: audisabled (0 ms)",
client->account->usr,
typtext[ep->type],
ep->emm[2]);
}
continue;
}
if (!(aureader->grp & client->grp)) {
rdr_debug_mask(aureader, D_EMM, "skip emm, group mismatch");
continue;
}
//TODO: provider possibly not set yet, this is done in get_emm_type()
if (!emm_reader_match(aureader, caid, provid))
continue;
struct s_cardsystem *cs = NULL;
if (is_cascading_reader(aureader)) { // network reader (R_CAMD35 R_NEWCAMD R_CS378X R_CCCAM)
if (!aureader->ph.c_send_emm) // no emm support
continue;
cs = get_cardsystem_by_caid(caid);
if (!cs) {
rdr_debug_mask(aureader, D_EMM, "unable to find cardsystem for caid %04X", caid);
continue;
}
} else { // local reader
if (aureader->csystem.active)
cs=&aureader->csystem;
}
if (cs && cs->get_emm_type) {
if (!cs->get_emm_type(ep, aureader)) {
rdr_debug_mask(aureader, D_EMM, "emm skipped, get_emm_type() returns error");
emmnok++;
continue;
}
}
if (cs && cs->get_emm_filter) {
if (!do_simple_emm_filter(aureader, cs, ep)) {
rdr_debug_mask(aureader, D_EMM, "emm skipped, emm_filter() returns invalid");
emmnok++;
continue;
}
}
if (cs && cs->do_emm_reassembly) {
if (assemble) {
if (!cs->do_emm_reassembly(client, ep))
return;
} else {
rdr_debug_mask(aureader, D_EMM, "processing raw emm");
}
}
rdr_debug_mask_sensitive(aureader, D_EMM, "emmtype %s. Reader serial {%s}.", typtext[ep->type],
cs_hexdump(0, aureader->hexserial, 8, tmp, sizeof(tmp)));
rdr_debug_mask_sensitive(aureader, D_EMM, "emm UA/SA: {%s}.",
cs_hexdump(0, ep->hexserial, 8, tmp, sizeof(tmp)));
client->last = time(NULL);
saveemm(aureader, ep);
int32_t is_blocked = 0;
switch (ep->type) {
case UNKNOWN: is_blocked = (aureader->blockemm & EMM_UNKNOWN) == EMM_UNKNOWN; break;
case UNIQUE : is_blocked = (aureader->blockemm & EMM_UNIQUE ) == EMM_UNIQUE; break;
case SHARED : is_blocked = (aureader->blockemm & EMM_SHARED ) == EMM_SHARED; break;
case GLOBAL : is_blocked = (aureader->blockemm & EMM_GLOBAL ) == EMM_GLOBAL; break;
}
// if not already blocked we check for block by len
if (!is_blocked) is_blocked = cs_emmlen_is_blocked( aureader, ep->emm[2] ) ;
if (is_blocked != 0) {
#ifdef WEBIF
aureader->emmblocked[ep->type]++;
is_blocked = aureader->emmblocked[ep->type];
#endif
/* we have to write the log for blocked EMM here because
this EMM never reach the reader module where the rest
of EMM log is done. */
if (aureader->logemm & 0x08) {
rdr_log(aureader, "%s emmtype=%s, len=%d, idx=0, cnt=%d: blocked (0 ms)",
client->account->usr,
typtext[ep->type],
ep->emm[2],
is_blocked);
}
continue;
}
client->lastemm = time((time_t*)0);
client->emmok++;
if (client->account)
client->account->emmok++;
first_client->emmok++;
//Check emmcache early:
int32_t i;
unsigned char md5tmp[CS_EMMSTORESIZE];
struct s_client *au_cl = aureader->client;
MD5(ep->emm, ep->emm[2], md5tmp);
ep->client = client;
for (i=0; i<CS_EMMCACHESIZE; i++) {
if (!memcmp(au_cl->emmcache[i].emmd5, md5tmp, CS_EMMSTORESIZE)) {
rdr_debug_mask(aureader, D_EMM, "emm found in cache: count %d rewrite %d",
au_cl->emmcache[i].count, aureader->rewritemm);
if (aureader->cachemm && (au_cl->emmcache[i].count > aureader->rewritemm)) {
reader_log_emm(aureader, ep, i, 2, NULL);
return;
}
break;
}
}
EMM_PACKET *emm_pack;
if (cs_malloc(&emm_pack, sizeof(EMM_PACKET))) {
rdr_debug_mask(aureader, D_EMM, "emm is being sent to reader");
memcpy(emm_pack, ep, sizeof(EMM_PACKET));
add_job(aureader->client, ACTION_READER_EMM, emm_pack, sizeof(EMM_PACKET));
}
}
if (emmnok > 0 && emmnok == ll_count(client->aureader_list)) {
client->emmnok++;
if (client->account)
client->account->emmnok++;
first_client->emmnok++;
}
}
