Filter EMMs
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parent
60a0d2e36f
commit
64a134fba2
1 changed files with 44 additions and 11 deletions
55
src/cwc.c
55
src/cwc.c
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@ -143,6 +143,13 @@ typedef struct cwc_message {
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} cwc_message_t;
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/**
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*
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*/
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typedef struct cwc_provider {
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uint32_t id;
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uint8_t sa[8];
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} cwc_provider_t;
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/**
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*
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@ -173,9 +180,11 @@ typedef struct cwc {
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uint8_t cwc_buf[256];
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int cwc_bufptr;
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/* Provder IDs */
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/* Card Unique Address */
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uint8_t cwc_ua[8];
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uint32_t cwc_provider_ids[256];
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/* Provider IDs */
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cwc_provider_t cwc_providers[256];
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int cwc_num_providers;
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/* From configuration */
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@ -455,7 +464,6 @@ cwc_decode_card_data_reply(cwc_t *cwc, uint8_t *msg, int len)
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{
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int plen, i;
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unsigned int nprov;
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uint32_t id;
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const char *n;
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msg += 12;
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@ -485,12 +493,14 @@ cwc_decode_card_data_reply(cwc_t *cwc, uint8_t *msg, int len)
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cwc->cwc_caid = (msg[4] << 8) | msg[5];
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n = psi_caid2name(cwc->cwc_caid) ?: "Unknown";
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memcpy(cwc->cwc_ua, &msg[6], 8);
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tvhlog(LOG_INFO, "cwc", "%s: Connected as user 0x%02x "
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"to a %s-card [0x%04x : %02x.%02x.%02x.%02x.%02x.%02x.%02x.%02x] "
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"with %d providers",
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cwc->cwc_hostname,
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msg[3], n, cwc->cwc_caid,
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msg[6], msg[7], msg[8], msg[9], msg[10], msg[11], msg[12], msg[13],
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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],
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nprov);
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msg += 15;
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@ -499,10 +509,28 @@ cwc_decode_card_data_reply(cwc_t *cwc, uint8_t *msg, int len)
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cwc->cwc_num_providers = nprov;
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for(i = 0; i < nprov; i++) {
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id = (msg[0] << 16) | (msg[1] << 8) | msg[2];
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tvhlog(LOG_INFO, "cwc", "%s: Provider ID #%d: 0x%06x",
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cwc->cwc_hostname, i + 1 , id);
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cwc->cwc_provider_ids[i] = id;
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cwc->cwc_providers[i].id = (msg[0] << 16) | (msg[1] << 8) | msg[2];
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cwc->cwc_providers[i].sa[0] = msg[3];
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cwc->cwc_providers[i].sa[1] = msg[4];
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cwc->cwc_providers[i].sa[2] = msg[5];
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cwc->cwc_providers[i].sa[3] = msg[6];
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cwc->cwc_providers[i].sa[4] = msg[7];
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cwc->cwc_providers[i].sa[5] = msg[8];
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cwc->cwc_providers[i].sa[6] = msg[9];
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cwc->cwc_providers[i].sa[7] = msg[10];
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tvhlog(LOG_INFO, "cwc", "%s: Provider ID #%d: 0x%06x %02x.%02x.%02x.%02x.%02x.%02x.%02x.%02x",
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cwc->cwc_hostname, i + 1,
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cwc->cwc_providers[i].id,
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cwc->cwc_providers[i].sa[0],
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cwc->cwc_providers[i].sa[1],
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cwc->cwc_providers[i].sa[2],
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cwc->cwc_providers[i].sa[3],
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cwc->cwc_providers[i].sa[4],
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cwc->cwc_providers[i].sa[5],
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cwc->cwc_providers[i].sa[6],
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cwc->cwc_providers[i].sa[7]);
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msg += 11;
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}
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@ -921,7 +949,7 @@ verify_provider(cwc_t *cwc, uint32_t providerid)
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return 1;
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for(i = 0; i < cwc->cwc_num_providers; i++)
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if(providerid == cwc->cwc_provider_ids[i])
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if(providerid == cwc->cwc_providers[i].id)
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return 1;
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return 0;
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}
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@ -938,8 +966,13 @@ cwc_emm(uint8_t *data, int len)
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lock_assert(&global_lock);
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TAILQ_FOREACH(cwc, &cwcs, cwc_link)
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if(cwc->cwc_emm && cwc->cwc_writer_running)
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cwc_send_msg(cwc, data, len, 0, 1);
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if(cwc->cwc_emm && cwc->cwc_writer_running &&
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cwc->cwc_caid == 0x0b00 && data[0] == 0x82 /* Conax */ ) {
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int i;
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for (i=0; i < cwc->cwc_num_providers; i++)
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if (memcmp(&data[3], &cwc->cwc_providers[i].sa[1], 7) == 0)
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cwc_send_msg(cwc, data, len, 0, 1);
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}
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}
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