1 files changed, 147 insertions, 0 deletions

diff --git a/utils/ipodpatcher/ipodio-win32-scsi.c b/utils/ipodpatcher/ipodio-win32-scsi.c
new file mode 100644
index 0000000000..16460cfba3
--- /dev/null
+++ b/utils/ipodpatcher/ipodio-win32-scsi.c
@@ -0,0 +1,147 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2009 Dave Chapman
+ * 
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ *
+ * Based on the getCapsUsingSCSIPassThrough() function from "cddrv.cpp":
+ *    - http://www.farmanager.com/svn/trunk/unicode_far/cddrv.cpp
+ *
+ * Copyright (c) 1996 Eugene Roshal
+ * Copyright (c) 2000 Far Group
+ * All rights reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. The name of the authors may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+#if defined(_WIN32)
+#include <windows.h>
+#include <stddef.h>
+#include <stdio.h>
+
+#include "ipodio.h"
+
+/* from ddk/ntddscsi.h */
+#define SCSI_IOCTL_DATA_OUT               0
+#define SCSI_IOCTL_DATA_IN                1
+#define SCSI_IOCTL_DATA_UNSPECIFIED       2
+
+#define IOCTL_SCSI_PASS_THROUGH \
+    CTL_CODE(FILE_DEVICE_CONTROLLER, 0x0401, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)
+
+typedef struct _SCSI_PASS_THROUGH {
+    USHORT  Length;
+    UCHAR  ScsiStatus;
+    UCHAR  PathId;
+    UCHAR  TargetId;
+    UCHAR  Lun;
+    UCHAR  CdbLength;
+    UCHAR  SenseInfoLength;
+    UCHAR  DataIn;
+    ULONG  DataTransferLength;
+    ULONG  TimeOutValue;
+    ULONG_PTR DataBufferOffset;
+    ULONG  SenseInfoOffset;
+    UCHAR  Cdb[16];
+} SCSI_PASS_THROUGH, *PSCSI_PASS_THROUGH;
+
+typedef struct _SCSI_PASS_THROUGH_WITH_BUFFERS {
+    SCSI_PASS_THROUGH Spt;
+    ULONG Filler;   /* realign buffers to double word boundary */
+    UCHAR SenseBuf[32];
+    UCHAR DataBuf[512];
+} SCSI_PASS_THROUGH_WITH_BUFFERS, *PSCSI_PASS_THROUGH_WITH_BUFFERS;
+
+int ipod_scsi_inquiry(struct ipod_t* ipod, int page_code,
+                      unsigned char* buf, int bufsize)
+{
+    SCSI_PASS_THROUGH_WITH_BUFFERS sptwb;
+    ULONG length;
+    DWORD returned;
+    BOOL  status;
+
+    if (bufsize > 255) {
+        fprintf(stderr,"[ERR]  Invalid bufsize in ipod_scsi_inquiry\n");
+        return -1;
+    }
+
+    memset(&sptwb, 0, sizeof(sptwb));
+
+    sptwb.Spt.Length = sizeof(SCSI_PASS_THROUGH);
+    sptwb.Spt.PathId = 0;
+    sptwb.Spt.TargetId = 1;
+    sptwb.Spt.Lun = 0;
+    sptwb.Spt.CdbLength = 6;
+    sptwb.Spt.SenseInfoLength = 32; /* sbuf size */;
+    sptwb.Spt.DataIn = SCSI_IOCTL_DATA_IN;
+    sptwb.Spt.DataTransferLength = bufsize;
+    sptwb.Spt.TimeOutValue = 2;  /* 2 seconds */
+    sptwb.Spt.DataBufferOffset = offsetof(SCSI_PASS_THROUGH_WITH_BUFFERS, DataBuf);
+    sptwb.Spt.SenseInfoOffset = offsetof(SCSI_PASS_THROUGH_WITH_BUFFERS, SenseBuf);
+    length = offsetof(SCSI_PASS_THROUGH_WITH_BUFFERS, DataBuf) + 
+             sptwb.Spt.DataTransferLength;
+
+    /* Set cdb info */
+    sptwb.Spt.Cdb[0] = 0x12;  /* SCSI Inquiry */
+    sptwb.Spt.Cdb[1] = 1;
+    sptwb.Spt.Cdb[2] = page_code;
+    sptwb.Spt.Cdb[3] = 0;
+    sptwb.Spt.Cdb[4] = bufsize;
+    sptwb.Spt.Cdb[5] = 0;
+
+    status = DeviceIoControl(ipod->dh,
+                             IOCTL_SCSI_PASS_THROUGH,
+                             &sptwb,
+                             sizeof(SCSI_PASS_THROUGH),
+                             &sptwb,
+                             length,
+                             &returned,
+                             FALSE);
+
+    if (status) {
+        /* W32 sometimes returns more bytes with additional garbage.
+         * Make sure to not copy that garbage. */
+        memcpy(buf, sptwb.DataBuf,
+               (DWORD)bufsize >= returned ? returned : (DWORD)bufsize);
+        return 0;
+    } else {
+        return -1;
+    }
+}
+#endif
+