shithub: libdvdcss

Download patch

ref: e24d72f5d84d7e1384544048f9befc987e68dc53
parent: 00e3bb6ea62a6a5dace32cc43856ccd7a790a3c6
author: Jon Lech Johansen <jlj@videolan.org>
date: Fri Nov 15 13:39:08 EST 2002

* ./src/ioctl.[ch]: ReportRPC win32 changes. Needs testing.


--- a/src/ioctl.c
+++ b/src/ioctl.c
@@ -2,7 +2,7 @@
  * ioctl.c: DVD ioctl replacement function
  *****************************************************************************
  * Copyright (C) 1999-2001 VideoLAN
- * $Id: ioctl.c,v 1.19 2002/11/14 12:38:57 gbazin Exp $
+ * $Id: ioctl.c,v 1.20 2002/11/15 18:39:08 jlj Exp $
  *
  * Authors: Markus Kuespert <ltlBeBoy@beosmail.com>
  *          Samuel Hocevar <sam@zoy.org>
@@ -1622,28 +1622,26 @@
     if( WIN2K ) /* NT/2k/XP */
     {
         DWORD tmp;
-        u8 buffer[ DVD_REGION_LENGTH ];
-        PDVD_REGION region = (PDVD_REGION) &buffer;
+        u8 buffer[DVD_RPC_KEY_LENGTH];
+        PDVD_COPY_PROTECT_KEY key = (PDVD_COPY_PROTECT_KEY) &buffer;
 
         memset( &buffer, 0, sizeof( buffer ) );
 
-        i_ret = DeviceIoControl( (HANDLE) i_fd, IOCTL_DVD_GET_REGION, NULL, 0,
-                region, DVD_REGION_LENGTH, &tmp, NULL ) ? 0 : -1;
+        key->KeyLength  = DVD_RPC_KEY_LENGTH;
+        key->KeyType    = DvdGetRpcKey;
+        key->KeyFlags   = 0;
 
-        /* Someone who has the headers should correct all this. */
-        /* Use the IOCTL_SCSI_PASS_THROUGH_DIRECT so we get the real
-         * values of theses entities?  */
-        if(region->SystemRegion != 0) {
-            *p_type = region->ResetCount > 1 ? 1 : 3 - region->ResetCount;
-            *p_mask =  0xff ^ (1 << (region->SystemRegion - 1));
-            *p_scheme = 1;
-        }
-        else
+        i_ret = DeviceIoControl( (HANDLE) i_fd, IOCTL_DVD_READ_KEY, key, 
+                key->KeyLength, key, key->KeyLength, &tmp, NULL ) ? 0 : -1;
+
+        if( i_ret < 0 )
         {
-            *p_type = 0;  /* ?? */
-            *p_mask = 0xff;
-            *p_scheme = 1; /* ?? */
+            return i_ret;
         }
+
+        *p_type = ((PDVD_RPC_KEY)key->KeyData)->TypeCode;
+        *p_mask = ((PDVD_RPC_KEY)key->KeyData)->RegionMask;
+        *p_scheme = ((PDVD_RPC_KEY)key->KeyData)->RpcScheme;
     }
     else
     {
--- a/src/ioctl.h
+++ b/src/ioctl.h
@@ -2,7 +2,7 @@
  * ioctl.h: DVD ioctl replacement function
  *****************************************************************************
  * Copyright (C) 1999-2001 VideoLAN
- * $Id: ioctl.h,v 1.10 2002/10/19 09:53:33 gbazin Exp $
+ * $Id: ioctl.h,v 1.11 2002/11/15 18:39:08 jlj Exp $
  *
  * Authors: Samuel Hocevar <sam@zoy.org>
  *
@@ -195,8 +195,8 @@
 #define DVD_BUS_KEY_LENGTH              (8 + sizeof(DVD_COPY_PROTECT_KEY))
 #define DVD_TITLE_KEY_LENGTH            (8 + sizeof(DVD_COPY_PROTECT_KEY))
 #define DVD_DISK_KEY_LENGTH             (2048 + sizeof(DVD_COPY_PROTECT_KEY))
+#define DVD_RPC_KEY_LENGTH              (sizeof(DVD_RPC_KEY) + sizeof(DVD_COPY_PROTECT_KEY))
 #define DVD_ASF_LENGTH                  (sizeof(DVD_ASF) + sizeof(DVD_COPY_PROTECT_KEY))
-#define DVD_REGION_LENGTH               (sizeof(DVD_REGION))
 
 #define DVD_COPYRIGHT_MASK              0x00000040
 #define DVD_NOT_COPYRIGHTED             0x00000000
@@ -271,12 +271,15 @@
     UCHAR Reserved1:7;
 } DVD_ASF, * PDVD_ASF;
 
-typedef struct _DVD_REGION {
-  UCHAR  CopySystem;
-  UCHAR  RegionData;
-  UCHAR  SystemRegion;
-  UCHAR  ResetCount;
-} DVD_REGION, *PDVD_REGION;
+typedef struct _DVD_RPC_KEY
+{
+    UCHAR UserResetsAvailable:3;
+    UCHAR ManufacturerResetsAvailable:3;
+    UCHAR TypeCode:2;
+    UCHAR RegionMask;
+    UCHAR RpcScheme;
+    UCHAR Reserved2[1];
+} DVD_RPC_KEY, * PDVD_RPC_KEY;
 
 typedef struct _SCSI_PASS_THROUGH_DIRECT
 {