[PATCH v2 2/5] winebth.sys: Add a basic implementation for IOCTL_BTH_GET_DEVICE_INFO.

[Vibhav Pant]

From: Vibhav Pant

---
 dlls/winebth.sys/winebth.c | 62 ++++++++++++++++++++++++++++++++++++++
 include/bthioctl.h         |  7 +++++
 2 files changed, 69 insertions(+)

diff --git a/dlls/winebth.sys/winebth.c b/dlls/winebth.sys/winebth.c
index 43631e02967..5d1f128c491 100644
--- a/dlls/winebth.sys/winebth.c
+++ b/dlls/winebth.sys/winebth.c
@@ -148,6 +148,68 @@ static NTSTATUS WINAPI dispatch_bluetooth( DEVICE_OBJECT *device, IRP *irp )
         status = STATUS_SUCCESS;
         break;
     }
+    case IOCTL_BTH_GET_DEVICE_INFO:
+    {
+        BTH_DEVICE_INFO_LIST *list = irp->AssociatedIrp.SystemBuffer;
+        struct bluetooth_remote_device *device;
+        SIZE_T rem_devices;
+
+        FIXME("IOCTL_BTH_GET_DEVICE_INFO: semi-stub!\n");
+
+        if (!list)
+        {
+            status = STATUS_INVALID_PARAMETER;
+            break;
+        }
+        if (outsize < sizeof( *list ))
+        {
+            status = STATUS_INVALID_BUFFER_SIZE;
+            break;
+        }
+
+        rem_devices = (outsize - sizeof( *list ))/sizeof(BTH_DEVICE_INFO) + 1;
+        status = STATUS_SUCCESS;
+        irp->IoStatus.Information = 0;
+
+        EnterCriticalSection( &ext->remote_devices_cs );
+        LIST_FOR_EACH_ENTRY( device, &ext->remote_devices, struct bluetooth_remote_device, entry )
+        {
+            list->numOfDevices++;
+            if (rem_devices > 0)
+            {
+                BTH_DEVICE_INFO *info;
+
+                info = &list->deviceList[list->numOfDevices - 1];
+                memset( info, 0, sizeof( *info ) );
+
+                EnterCriticalSection( &device->props_cs );
+                if (device->props_mask & WINEBLUETOOTH_DEVICE_PROPERTY_NAME)
+                {
+                    info->flags |= BDIF_NAME;
+                    memcpy( info->name, device->props.name, sizeof( info->name ) );
+                }
+                if (device->props_mask & WINEBLUETOOTH_DEVICE_PROPERTY_ADDRESS)
+                {
+                    info->flags |= BDIF_ADDRESS;
+                    info->address = RtlUlonglongByteSwap( device->props.address.ullLong );
+                }
+                LeaveCriticalSection( &device->props_cs );
+
+                irp->IoStatus.Information += sizeof( *info );
+                rem_devices--;
+            }
+        }
+        LeaveCriticalSection( &ext->remote_devices_cs );
+
+        irp->IoStatus.Information += sizeof( *list );
+        if (list->numOfDevices)
+            irp->IoStatus.Information -= sizeof( BTH_DEVICE_INFO );
+
+        /* The output buffer needs to be exactly sized. */
+        if (rem_devices)
+            status = STATUS_INVALID_BUFFER_SIZE;
+        break;
+    }
     case IOCTL_WINEBTH_RADIO_SET_FLAG:
     {
         const struct winebth_radio_set_flag_params *params = irp->AssociatedIrp.SystemBuffer;
diff --git a/include/bthioctl.h b/include/bthioctl.h
index a822c054f6c..56a665e9f41 100644
--- a/include/bthioctl.h
+++ b/include/bthioctl.h
@@ -23,6 +23,7 @@
 #define __BTHIOCTL_H__

#define IOCTL_BTH_GET_LOCAL_INFO CTL_CODE(FILE_DEVICE_BLUETOOTH, 0x00, METHOD_BUFFERED, FILE_ANY_ACCESS)
+#define IOCTL_BTH_GET_DEVICE_INFO CTL_CODE(FILE_DEVICE_BLUETOOTH, 0x02, METHOD_BUFFERED, FILE_ANY_ACCESS)

#include <pshpack1.h>

@@ -43,6 +44,12 @@ typedef struct _BTH_LOCAL_RADIO_INFO
     BTH_RADIO_INFO radioInfo;
 } BTH_LOCAL_RADIO_INFO, *PBTH_LOCAL_RADIO_INFO;

+typedef struct _BTH_DEVICE_INFO_LIST
+{
+    ULONG numOfDevices;
+    BTH_DEVICE_INFO deviceList[1];
+} BTH_DEVICE_INFO_LIST, *PBTH_DEVICE_INFO_LIST;
+
 #include <poppack.h>

#endif /* __BTHIOCTL_H__ */