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Check that server will accept EMMs

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This commit is contained in:
Sarge 2009-11-18 19:37:26 +00:00
parent 16e4f4b6c1
commit 9ec995ced3
1 changed files with 25 additions and 6 deletions
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31
src/cwc.c
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@ -187,6 +187,9 @@ typedef struct cwc {
cwc_provider_t cwc_providers[256];
int cwc_num_providers;
/* Emm forwarding */
int cwc_forward_emm;
/* From configuration */
uint8_t cwc_confedkey[14];
@ -534,9 +537,25 @@ cwc_decode_card_data_reply(cwc_t *cwc, uint8_t *msg, int len)
msg += 11;
}
tvhlog(LOG_INFO, "cwc", "%s: Will %sforward EMMs",
cwc->cwc_hostname,
cwc->cwc_emm ? "" : "not ");
cwc->cwc_forward_emm = 0;
if (cwc->cwc_emm) {
int emm_allowed = (cwc->cwc_ua[0] || cwc->cwc_ua[1] ||
cwc->cwc_ua[2] || cwc->cwc_ua[3] ||
cwc->cwc_ua[4] || cwc->cwc_ua[5] ||
cwc->cwc_ua[6] || cwc->cwc_ua[7]);
if (!emm_allowed)
tvhlog(LOG_INFO, "cwc", "%s: Will not forward EMMs (not allowed by server)",
cwc->cwc_hostname);
else if (cwc->cwc_caid != 0x0b00)
tvhlog(LOG_INFO, "cwc", "%s: Will not forward EMMs (unsupported ca system)",
cwc->cwc_hostname);
else {
tvhlog(LOG_INFO, "cwc", "%s: Will forward EMMs",
cwc->cwc_hostname);
cwc->cwc_forward_emm = 1;
}
}
return 0;
}
@ -966,8 +985,8 @@ cwc_emm(uint8_t *data, int len)
lock_assert(&global_lock);
TAILQ_FOREACH(cwc, &cwcs, cwc_link)
if(cwc->cwc_emm && cwc->cwc_writer_running &&
cwc->cwc_caid == 0x0b00 && data[0] == 0x82 /* Conax */ ) {
if(cwc->cwc_forward_emm && cwc->cwc_writer_running &&
data[0] == 0x82 /* Conax */ ) {
int i;
for (i=0; i < cwc->cwc_num_providers; i++)
if (memcmp(&data[3], &cwc->cwc_providers[i].sa[1], 7) == 0) {
@ -1026,7 +1045,7 @@ cwc_table_input(struct th_descrambler *td, struct th_transport *t,
default:
/* EMM */
if (cwc->cwc_emm)
if (cwc->cwc_forward_emm)
cwc_send_msg(cwc, data, len, sid, 1);
break;
}