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Slightly better error reporting when no scrambler is available

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This commit is contained in:
Andreas Öman 2008-05-02 14:55:49 +00:00
parent be2d83bab1
commit f7b2bf672b
2 changed files with 36 additions and 9 deletions
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21
cwc.c
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@ -499,7 +499,6 @@ cwc_dispatch_running_reply(cwc_t *cwc, uint8_t msgtype, uint8_t *msg, int len)
if(len < 19) {
if(ct->ct_keystate != CT_FORBIDDEN) {
transport_signal_error(t, TRANSPORT_ERROR_NO_ACCESS);
syslog(LOG_ERR,
"Can not descramble \"%s\" for service \"%s\", access denied",
t->tht_identifier, t->tht_servicename);
@ -698,14 +697,17 @@ cwc_descramble(th_descrambler_t *td, th_transport_t *t, struct th_stream *st,
unsigned char *vec[3];
uint8_t *t0;
if(ct->ct_keystate == CT_FORBIDDEN)
return TRANSPORT_ERROR_NO_ACCESS;
if(ct->ct_keystate != CT_RESOLVED)
return 0;
return -1;
memcpy(ct->ct_tsbcluster + ct->ct_fill * 188, tsb, 188);
ct->ct_fill++;
if(ct->ct_fill != CT_CLUSTER_SIZE)
return 1;
return 0;
ct->ct_fill = 0;
@ -723,7 +725,7 @@ cwc_descramble(th_descrambler_t *td, th_transport_t *t, struct th_stream *st,
t0 += 188;
}
}
return 1;
return 0;
}
@ -755,8 +757,19 @@ cwc_transport_start(th_transport_t *t)
cwc_t *cwc;
cwc_transport_t *ct;
th_descrambler_t *td;
th_stream_t *st;
LIST_FOREACH(cwc, &cwcs, cwc_link) {
LIST_FOREACH(st, &t->tht_streams, st_link)
if(st->st_caid == cwc->cwc_caid)
break;
if(st == NULL)
continue;
printf("Ok CWC found\n");
ct = calloc(1, sizeof(cwc_transport_t));
ct->ct_keys = get_key_struct();
ct->ct_cwc = cwc;

24
tsdemux.c
View file

@ -195,7 +195,7 @@ void
ts_recv_packet1(th_transport_t *t, uint8_t *tsb)
{
th_stream_t *st;
int pid;
int pid, n, m, r;
th_descrambler_t *td;
pid = (tsb[1] & 0x1f) << 8 | tsb[2];
@ -216,10 +216,24 @@ ts_recv_packet1(th_transport_t *t, uint8_t *tsb)
if(tsb[3] & 0xc0) {
/* scrambled stream */
LIST_FOREACH(td, &t->tht_descramblers, td_transport_link)
if(td->td_descramble(td, t, st, tsb))
break;
n = m = 0;
LIST_FOREACH(td, &t->tht_descramblers, td_transport_link) {
n++;
r = td->td_descramble(td, t, st, tsb);
if(r == 0)
return;
if(r == TRANSPORT_ERROR_NO_ACCESS)
m++;
}
if(n == 0) {
transport_signal_error(t, TRANSPORT_ERROR_NO_DESCRAMBLER);
} else if(m == n) {
transport_signal_error(t, TRANSPORT_ERROR_NO_ACCESS);
}
return;
}