Adding upstream version 7.0.6-dfsg.upstream/7.0.6-dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 374 insertions, 0 deletions

diff --git a/src/VBox/Additions/x11/vboxmouse/vboxmouse.c b/src/VBox/Additions/x11/vboxmouse/vboxmouse.c
new file mode 100644
index 00000000..ecbc22c5
--- /dev/null
+++ b/src/VBox/Additions/x11/vboxmouse/vboxmouse.c
@@ -0,0 +1,374 @@
+/* $Id: vboxmouse.c $ */
+/** @file
+ * VirtualBox X11 Guest Additions, mouse driver for X.Org server 1.5
+ */
+
+/*
+ * Copyright (C) 2006-2022 Oracle and/or its affiliates.
+ *
+ * This file is part of VirtualBox base platform packages, as
+ * available from https://www.virtualbox.org.
+ *
+ * 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, in version 3 of the
+ * License.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <https://www.gnu.org/licenses>.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only
+ * --------------------------------------------------------------------
+ *
+ * This code is based on evdev.c from X.Org with the following copyright
+ * and permission notice:
+ *
+ * Copyright © 2004-2008 Red Hat, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software
+ * and its documentation for any purpose is hereby granted without
+ * fee, provided that the above copyright notice appear in all copies
+ * and that both that copyright notice and this permission notice
+ * appear in supporting documentation, and that the name of Red Hat
+ * not be used in advertising or publicity pertaining to distribution
+ * of the software without specific, written prior permission.  Red
+ * Hat makes no representations about the suitability of this software
+ * for any purpose.  It is provided "as is" without express or implied
+ * warranty.
+ *
+ * THE AUTHORS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
+ * NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
+ * OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
+ * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Authors:
+ *      Kristian Høgsberg (krh@redhat.com)
+ *      Adam Jackson (ajax@redhat.com)
+ */
+
+#include <VBox/VMMDev.h> /* for VMMDEV_MOUSE_XXX */
+#include <VBox/VBoxGuestLib.h>
+#include <iprt/errcore.h>
+#include <xf86.h>
+#include <xf86Xinput.h>
+#include <mipointer.h>
+
+#include <xf86Module.h>
+
+#ifdef VBOX_GUESTR3XF86MOD
+# define _X_EXPORT
+#else
+# include <errno.h>
+# include <fcntl.h>
+# include <unistd.h>
+#endif
+
+#include "product-generated.h"
+
+static void
+VBoxReadInput(InputInfoPtr pInfo)
+{
+    uint32_t cx, cy, fFeatures;
+
+    /* Read a byte from the device to acknowledge the event */
+    char c;
+    int res = read(pInfo->fd, &c, 1);
+    NOREF(res);
+    /* The first test here is a workaround for an apparent bug in Xorg Server 1.5 */
+    if (
+#if GET_ABI_MAJOR(ABI_XINPUT_VERSION) < 2
+           miPointerCurrentScreen() != NULL
+#else
+           miPointerGetScreen(pInfo->dev) != NULL
+#endif
+        &&  RT_SUCCESS(VbglR3GetMouseStatus(&fFeatures, &cx, &cy))
+        && (fFeatures & VMMDEV_MOUSE_HOST_WANTS_ABSOLUTE))
+    {
+#if ABI_XINPUT_VERSION == SET_ABI_VERSION(2, 0)
+        /* Bug in the 1.4 X server series - conversion_proc was no longer
+         * called, but the server didn't yet do the conversion itself. */
+        cx = (cx * screenInfo.screens[0]->width) / 65535;
+        cy = (cy * screenInfo.screens[0]->height) / 65535;
+#endif
+        /* send absolute movement */
+        xf86PostMotionEvent(pInfo->dev, 1, 0, 2, cx, cy);
+    }
+}
+
+static void
+VBoxPtrCtrlProc(DeviceIntPtr device, PtrCtrl *ctrl)
+{
+    /* Nothing to do, dix handles all settings */
+    RT_NOREF(device, ctrl);
+}
+
+static int
+VBoxInit(DeviceIntPtr device)
+{
+    CARD8 map[2] = { 0, 1 };
+#if GET_ABI_MAJOR(ABI_XINPUT_VERSION) >= 7
+    Atom axis_labels[2] = { 0, 0 };
+    Atom button_labels[2] = { 0, 0 };
+#endif
+    if (!InitPointerDeviceStruct((DevicePtr)device, map, 2,
+#if GET_ABI_MAJOR(ABI_XINPUT_VERSION) >= 7
+                                 button_labels,
+#endif
+#if GET_ABI_MAJOR(ABI_XINPUT_VERSION) < 2
+                                 miPointerGetMotionEvents, VBoxPtrCtrlProc,
+                                 miPointerGetMotionBufferSize()
+#elif GET_ABI_MAJOR(ABI_XINPUT_VERSION) < 3
+                                 GetMotionHistory, VBoxPtrCtrlProc,
+                                 GetMotionHistorySize(), 2 /* Number of axes */
+
+#elif GET_ABI_MAJOR(ABI_XINPUT_VERSION) >= 3
+                                 VBoxPtrCtrlProc, GetMotionHistorySize(),
+                                 2 /* Number of axes */
+#else
+# error Unsupported version of X.Org
+#endif
+#if GET_ABI_MAJOR(ABI_XINPUT_VERSION) >= 7
+                                 , axis_labels
+#endif
+                                 ))
+        return !Success;
+
+    /* Tell the server about the range of axis values we report */
+#if ABI_XINPUT_VERSION <= SET_ABI_VERSION(2, 0)
+    xf86InitValuatorAxisStruct(device, 0, 0, -1, 1, 0, 1);
+    xf86InitValuatorAxisStruct(device, 1, 0, -1, 1, 0, 1);
+#else
+    xf86InitValuatorAxisStruct(device, 0,
+# if GET_ABI_MAJOR(ABI_XINPUT_VERSION) >= 7
+                               axis_labels[0],
+# endif
+                               VMMDEV_MOUSE_RANGE_MIN /* min X */, VMMDEV_MOUSE_RANGE_MAX /* max X */,
+                               10000, 0, 10000
+# if GET_ABI_MAJOR(ABI_XINPUT_VERSION) >= 12
+                               , Absolute
+# endif
+                               );
+
+    xf86InitValuatorAxisStruct(device, 1,
+# if GET_ABI_MAJOR(ABI_XINPUT_VERSION) >= 7
+                               axis_labels[1],
+# endif
+                               VMMDEV_MOUSE_RANGE_MIN /* min Y */, VMMDEV_MOUSE_RANGE_MAX /* max Y */,
+                               10000, 0, 10000
+# if GET_ABI_MAJOR(ABI_XINPUT_VERSION) >= 12
+                               , Absolute
+# endif
+                               );
+#endif
+    xf86InitValuatorDefaults(device, 0);
+    xf86InitValuatorDefaults(device, 1);
+    xf86MotionHistoryAllocate(device->public.devicePrivate);
+
+    return Success;
+}
+
+static int
+VBoxProc(DeviceIntPtr device, int what)
+{
+    InputInfoPtr pInfo;
+    int rc, xrc;
+    uint32_t fFeatures = 0;
+
+    pInfo = device->public.devicePrivate;
+
+    switch (what)
+    {
+    case DEVICE_INIT:
+        xrc = VBoxInit(device);
+        if (xrc != Success) {
+            VbglR3Term();
+            return xrc;
+        }
+        break;
+
+    case DEVICE_ON:
+        xf86Msg(X_INFO, "%s: On.\n", pInfo->name);
+        if (device->public.on)
+            break;
+        /* Tell the host that we want absolute co-ordinates */
+        rc = VbglR3GetMouseStatus(&fFeatures, NULL, NULL);
+        fFeatures &= VMMDEV_MOUSE_GUEST_NEEDS_HOST_CURSOR;
+        if (RT_SUCCESS(rc))
+            rc = VbglR3SetMouseStatus(  fFeatures
+                                      | VMMDEV_MOUSE_GUEST_CAN_ABSOLUTE
+                                      | VMMDEV_MOUSE_NEW_PROTOCOL);
+        if (!RT_SUCCESS(rc)) {
+            xf86Msg(X_ERROR, "%s: Failed to switch guest mouse into absolute mode\n",
+                    pInfo->name);
+            return !Success;
+        }
+
+        xf86AddEnabledDevice(pInfo);
+        device->public.on = TRUE;
+        break;
+
+    case DEVICE_OFF:
+        xf86Msg(X_INFO, "%s: Off.\n", pInfo->name);
+        rc = VbglR3GetMouseStatus(&fFeatures, NULL, NULL);
+        fFeatures &= VMMDEV_MOUSE_GUEST_NEEDS_HOST_CURSOR;
+        if (RT_SUCCESS(rc))
+            rc = VbglR3SetMouseStatus(  fFeatures
+                                      & ~VMMDEV_MOUSE_GUEST_CAN_ABSOLUTE
+                                      & ~VMMDEV_MOUSE_NEW_PROTOCOL);
+        xf86RemoveEnabledDevice(pInfo);
+        device->public.on = FALSE;
+        break;
+
+    case DEVICE_CLOSE:
+        VbglR3Term();
+        xf86Msg(X_INFO, "%s: Close\n", pInfo->name);
+        break;
+
+    default:
+        return BadValue;
+    }
+
+    return Success;
+}
+
+static int
+VBoxProbe(InputInfoPtr pInfo)
+{
+    int rc = VbglR3Init();
+    if (!RT_SUCCESS(rc)) {
+        xf86Msg(X_ERROR, "%s: Failed to open the VirtualBox device (error %d)\n",
+                pInfo->name, rc);
+        return BadMatch;
+    }
+
+    return Success;
+}
+
+static Bool
+VBoxConvert(InputInfoPtr pInfo, int first, int num, int v0, int v1, int v2,
+            int v3, int v4, int v5, int *x, int *y)
+{
+    RT_NOREF(pInfo, num, v2, v3, v4, v5);
+
+    if (first == 0) {
+        *x = xf86ScaleAxis(v0, 0, screenInfo.screens[0]->width, 0, 65536);
+        *y = xf86ScaleAxis(v1, 0, screenInfo.screens[0]->height, 0, 65536);
+        return TRUE;
+    }
+    return FALSE;
+}
+
+static int
+VBoxPreInitInfo(InputDriverPtr drv, InputInfoPtr pInfo, int flags)
+{
+    const char *device;
+    int rc;
+    RT_NOREF(drv, flags);
+
+    /* Initialise the InputInfoRec. */
+    pInfo->device_control = VBoxProc;
+    pInfo->read_input = VBoxReadInput;
+    /* Unlike evdev, we set this unconditionally, as we don't handle keyboards. */
+    pInfo->type_name = XI_MOUSE;
+    pInfo->flags |= XI86_ALWAYS_CORE;
+
+    device = xf86SetStrOption(pInfo->options, "Device",
+                                "/dev/vboxguest");
+
+    xf86Msg(X_CONFIG, "%s: Device: \"%s\"\n", pInfo->name, device);
+    do {
+        pInfo->fd = open(device, O_RDWR, 0);
+    }
+    while (pInfo->fd < 0 && errno == EINTR);
+
+    if (pInfo->fd < 0) {
+        xf86Msg(X_ERROR, "Unable to open VirtualBox device \"%s\".\n", device);
+        return BadMatch;
+    }
+
+    rc = VBoxProbe(pInfo);
+    if (rc != Success)
+        return rc;
+
+    return Success;
+}
+
+#if GET_ABI_MAJOR(ABI_XINPUT_VERSION) < 12
+static InputInfoPtr
+VBoxPreInit(InputDriverPtr drv, IDevPtr dev, int flags)
+{
+    InputInfoPtr pInfo = xf86AllocateInput(drv, 0);
+    if (!pInfo)
+        return NULL;
+
+    /* Initialise the InputInfoRec. */
+    pInfo->name = dev->identifier;
+    pInfo->conf_idev = dev;
+    pInfo->conversion_proc = VBoxConvert;
+    pInfo->flags = XI86_POINTER_CAPABLE | XI86_SEND_DRAG_EVENTS;
+
+    xf86CollectInputOptions(pInfo, NULL, NULL);
+    xf86ProcessCommonOptions(pInfo, pInfo->options);
+
+    if (VBoxPreInitInfo(drv, pInfo, flags) != Success) {
+        xf86DeleteInput(pInfo, 0);
+        return NULL;
+    }
+
+    pInfo->flags |= XI86_CONFIGURED;
+    return pInfo;
+}
+#endif
+
+_X_EXPORT InputDriverRec VBOXMOUSE = {
+    1,
+    "vboxmouse",
+    NULL,
+#if GET_ABI_MAJOR(ABI_XINPUT_VERSION) < 12
+    VBoxPreInit,
+#else
+    VBoxPreInitInfo,
+#endif
+    NULL,
+    NULL,
+    0
+};
+
+static pointer
+VBoxPlug(pointer module, pointer options, int *errmaj, int *errmin)
+{
+    RT_NOREF(options, errmaj, errmin);
+    xf86AddInputDriver(&VBOXMOUSE, module, 0);
+    xf86Msg(X_CONFIG, "Load address of symbol \"VBOXMOUSE\" is %p\n",
+            (void *)&VBOXMOUSE);
+    return module;
+}
+
+static XF86ModuleVersionInfo VBoxVersionRec =
+{
+    "vboxmouse",
+    VBOX_VENDOR,
+    MODINFOSTRING1,
+    MODINFOSTRING2,
+    0, /* Missing from SDK: XORG_VERSION_CURRENT, */
+    1, 0, 0,
+    ABI_CLASS_XINPUT,
+    ABI_XINPUT_VERSION,
+    MOD_CLASS_XINPUT,
+    {0, 0, 0, 0}
+};
+
+_X_EXPORT XF86ModuleData vboxmouseModuleData =
+{
+    &VBoxVersionRec,
+    VBoxPlug,
+    NULL
+};