Filter EMMs

This commit is contained in:
Andreas Öman 2009-11-16 22:27:44 +00:00
parent 60a0d2e36f
commit 64a134fba2

View file

@ -143,6 +143,13 @@ typedef struct cwc_message {
} cwc_message_t;
/**
*
*/
typedef struct cwc_provider {
uint32_t id;
uint8_t sa[8];
} cwc_provider_t;
/**
*
@ -173,9 +180,11 @@ typedef struct cwc {
uint8_t cwc_buf[256];
int cwc_bufptr;
/* Provder IDs */
/* Card Unique Address */
uint8_t cwc_ua[8];
uint32_t cwc_provider_ids[256];
/* Provider IDs */
cwc_provider_t cwc_providers[256];
int cwc_num_providers;
/* From configuration */
@ -455,7 +464,6 @@ cwc_decode_card_data_reply(cwc_t *cwc, uint8_t *msg, int len)
{
int plen, i;
unsigned int nprov;
uint32_t id;
const char *n;
msg += 12;
@ -485,12 +493,14 @@ cwc_decode_card_data_reply(cwc_t *cwc, uint8_t *msg, int len)
cwc->cwc_caid = (msg[4] << 8) | msg[5];
n = psi_caid2name(cwc->cwc_caid) ?: "Unknown";
memcpy(cwc->cwc_ua, &msg[6], 8);
tvhlog(LOG_INFO, "cwc", "%s: Connected as user 0x%02x "
"to a %s-card [0x%04x : %02x.%02x.%02x.%02x.%02x.%02x.%02x.%02x] "
"with %d providers",
cwc->cwc_hostname,
msg[3], n, cwc->cwc_caid,
msg[6], msg[7], msg[8], msg[9], msg[10], msg[11], msg[12], msg[13],
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],
nprov);
msg += 15;
@ -499,10 +509,28 @@ cwc_decode_card_data_reply(cwc_t *cwc, uint8_t *msg, int len)
cwc->cwc_num_providers = nprov;
for(i = 0; i < nprov; i++) {
id = (msg[0] << 16) | (msg[1] << 8) | msg[2];
tvhlog(LOG_INFO, "cwc", "%s: Provider ID #%d: 0x%06x",
cwc->cwc_hostname, i + 1 , id);
cwc->cwc_provider_ids[i] = id;
cwc->cwc_providers[i].id = (msg[0] << 16) | (msg[1] << 8) | msg[2];
cwc->cwc_providers[i].sa[0] = msg[3];
cwc->cwc_providers[i].sa[1] = msg[4];
cwc->cwc_providers[i].sa[2] = msg[5];
cwc->cwc_providers[i].sa[3] = msg[6];
cwc->cwc_providers[i].sa[4] = msg[7];
cwc->cwc_providers[i].sa[5] = msg[8];
cwc->cwc_providers[i].sa[6] = msg[9];
cwc->cwc_providers[i].sa[7] = msg[10];
tvhlog(LOG_INFO, "cwc", "%s: Provider ID #%d: 0x%06x %02x.%02x.%02x.%02x.%02x.%02x.%02x.%02x",
cwc->cwc_hostname, i + 1,
cwc->cwc_providers[i].id,
cwc->cwc_providers[i].sa[0],
cwc->cwc_providers[i].sa[1],
cwc->cwc_providers[i].sa[2],
cwc->cwc_providers[i].sa[3],
cwc->cwc_providers[i].sa[4],
cwc->cwc_providers[i].sa[5],
cwc->cwc_providers[i].sa[6],
cwc->cwc_providers[i].sa[7]);
msg += 11;
}
@ -921,7 +949,7 @@ verify_provider(cwc_t *cwc, uint32_t providerid)
return 1;
for(i = 0; i < cwc->cwc_num_providers; i++)
if(providerid == cwc->cwc_provider_ids[i])
if(providerid == cwc->cwc_providers[i].id)
return 1;
return 0;
}
@ -938,8 +966,13 @@ 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_send_msg(cwc, data, len, 0, 1);
if(cwc->cwc_emm && cwc->cwc_writer_running &&
cwc->cwc_caid == 0x0b00 && 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)
cwc_send_msg(cwc, data, len, 0, 1);
}
}