From efd38b81b3d5339e31171db2ca6f5d3664d952fd Mon Sep 17 00:00:00 2001
From: Georgi Chorbadzhiyski <gf@unixsol.org>
Date: Tue, 22 Jan 2013 16:50:44 +0200
Subject: [PATCH] cwc: Fix Bulcrypt filters.

They are still not 100% optimal but now at least they don't send
lots of unneeded EMMs.
---
 src/cwc.c | 14 +++++---------
 1 file changed, 5 insertions(+), 9 deletions(-)

diff --git a/src/cwc.c b/src/cwc.c
index 79c10008..e5c2046c 100644
--- a/src/cwc.c
+++ b/src/cwc.c
@@ -1880,19 +1880,15 @@ cwc_emm_bulcrypt(cwc_t *cwc, uint8_t *data, int len)
   int match = 0;
 
   switch (data[0]) {
-  case 0x82: /* unique */
-  case 0x85: /* unique */
+  case 0x82: /* unique - bulcrypt (1 card) */
+  case 0x8a: /* unique - polaris  (1 card) */
+  case 0x85: /* unique - bulcrypt (4 cards) */
+  case 0x8b: /* unique - polaris  (4 cards) */
     match = len >= 10 && memcmp(data + 3, cwc->cwc_ua + 2, 3) == 0;
     break;
-  case 0x84: /* shared */
+  case 0x84: /* shared - (1024 cards) */
     match = len >= 10 && memcmp(data + 3, cwc->cwc_ua + 2, 2) == 0;
     break;
-  case 0x8b: /* shared-unknown */
-    match = len >= 10 && memcmp(data + 4, cwc->cwc_ua + 2, 2) == 0;
-    break;
-  case 0x8a: /* global */
-    match = len >= 10 && memcmp(data + 4, cwc->cwc_ua + 2, 1) == 0;
-    break;
   }
 
   if (match)