From 64a134fba2f319f754a5602e503d1345dd6fd7a2 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Andreas=20=C3=96man?= Date: Mon, 16 Nov 2009 22:27:44 +0000 Subject: [PATCH] Filter EMMs --- src/cwc.c | 55 ++++++++++++++++++++++++++++++++++++++++++++----------- 1 file changed, 44 insertions(+), 11 deletions(-) diff --git a/src/cwc.c b/src/cwc.c index d1fc046f..96ece020 100644 --- a/src/cwc.c +++ b/src/cwc.c @@ -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); + } }