Adding upstream version 7.0.14-dfsg.upstream/7.0.14-dfsg

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

1 files changed, 235 insertions, 0 deletions

diff --git a/src/VBox/Additions/common/VBoxGuest/lib/VBoxGuestR3LibHostChannel.cpp b/src/VBox/Additions/common/VBoxGuest/lib/VBoxGuestR3LibHostChannel.cpp
new file mode 100644
index 00000000..9c9e377e
--- /dev/null
+++ b/src/VBox/Additions/common/VBoxGuest/lib/VBoxGuestR3LibHostChannel.cpp
@@ -0,0 +1,235 @@
+/* $Id: VBoxGuestR3LibHostChannel.cpp $ */
+/** @file
+ * VBoxGuestR3Lib - Ring-3 Support Library for VirtualBox guest additions, Host Channel.
+ */
+
+/*
+ * Copyright (C) 2012-2023 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>.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
+ * in the VirtualBox distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
+ */
+
+
+#include <iprt/mem.h>
+
+#include <VBox/HostServices/VBoxHostChannel.h>
+
+#include "VBoxGuestR3LibInternal.h"
+
+
+VBGLR3DECL(int) VbglR3HostChannelInit(uint32_t *pidClient)
+{
+    return VbglR3HGCMConnect("VBoxHostChannel", pidClient);
+}
+
+VBGLR3DECL(void) VbglR3HostChannelTerm(uint32_t idClient)
+{
+    VbglR3HGCMDisconnect(idClient);
+}
+
+VBGLR3DECL(int) VbglR3HostChannelAttach(uint32_t *pu32ChannelHandle,
+                                        uint32_t u32HGCMClientId,
+                                        const char *pszName,
+                                        uint32_t u32Flags)
+{
+    /* Make a heap copy of the name, because HGCM can not use some of other memory types. */
+    size_t cbName = strlen(pszName) + 1;
+    char *pszCopy = (char *)RTMemAlloc(cbName);
+    if (pszCopy == NULL)
+    {
+        return VERR_NO_MEMORY;
+    }
+
+    memcpy(pszCopy, pszName, cbName);
+
+    VBoxHostChannelAttach parms;
+    VBGL_HGCM_HDR_INIT(&parms.hdr, u32HGCMClientId, VBOX_HOST_CHANNEL_FN_ATTACH, 3);
+    VbglHGCMParmPtrSet(&parms.name, pszCopy, (uint32_t)cbName);
+    VbglHGCMParmUInt32Set(&parms.flags, u32Flags);
+    VbglHGCMParmUInt32Set(&parms.handle, 0);
+
+    int rc = VbglR3HGCMCall(&parms.hdr, sizeof(parms));
+
+    if (RT_SUCCESS(rc))
+        *pu32ChannelHandle = parms.handle.u.value32;
+
+    RTMemFree(pszCopy);
+
+    return rc;
+}
+
+VBGLR3DECL(void) VbglR3HostChannelDetach(uint32_t u32ChannelHandle,
+                                         uint32_t u32HGCMClientId)
+{
+    VBoxHostChannelDetach parms;
+    VBGL_HGCM_HDR_INIT(&parms.hdr, u32HGCMClientId, VBOX_HOST_CHANNEL_FN_DETACH, 1);
+    VbglHGCMParmUInt32Set(&parms.handle, u32ChannelHandle);
+
+    VbglR3HGCMCall(&parms.hdr, sizeof(parms));
+}
+
+VBGLR3DECL(int) VbglR3HostChannelSend(uint32_t u32ChannelHandle,
+                                      uint32_t u32HGCMClientId,
+                                      void *pvData,
+                                      uint32_t cbData)
+{
+    VBoxHostChannelSend parms;
+    VBGL_HGCM_HDR_INIT(&parms.hdr, u32HGCMClientId, VBOX_HOST_CHANNEL_FN_SEND, 2);
+    VbglHGCMParmUInt32Set(&parms.handle, u32ChannelHandle);
+    VbglHGCMParmPtrSet(&parms.data, pvData, cbData);
+
+    return VbglR3HGCMCall(&parms.hdr, sizeof(parms));
+}
+
+VBGLR3DECL(int) VbglR3HostChannelRecv(uint32_t u32ChannelHandle,
+                                      uint32_t u32HGCMClientId,
+                                      void *pvData,
+                                      uint32_t cbData,
+                                      uint32_t *pu32SizeReceived,
+                                      uint32_t *pu32SizeRemaining)
+{
+    VBoxHostChannelRecv parms;
+    VBGL_HGCM_HDR_INIT(&parms.hdr, u32HGCMClientId, VBOX_HOST_CHANNEL_FN_RECV, 4);
+    VbglHGCMParmUInt32Set(&parms.handle, u32ChannelHandle);
+    VbglHGCMParmPtrSet(&parms.data, pvData, cbData);
+    VbglHGCMParmUInt32Set(&parms.sizeReceived, 0);
+    VbglHGCMParmUInt32Set(&parms.sizeRemaining, 0);
+
+    int rc = VbglR3HGCMCall(&parms.hdr, sizeof(parms));
+
+    if (RT_SUCCESS(rc))
+    {
+        *pu32SizeReceived = parms.sizeReceived.u.value32;
+        *pu32SizeRemaining = parms.sizeRemaining.u.value32;
+    }
+
+    return rc;
+}
+
+VBGLR3DECL(int) VbglR3HostChannelControl(uint32_t u32ChannelHandle,
+                                         uint32_t u32HGCMClientId,
+                                         uint32_t u32Code,
+                                         void *pvParm,
+                                         uint32_t cbParm,
+                                         void *pvData,
+                                         uint32_t cbData,
+                                         uint32_t *pu32SizeDataReturned)
+{
+    VBoxHostChannelControl parms;
+    VBGL_HGCM_HDR_INIT(&parms.hdr, u32HGCMClientId, VBOX_HOST_CHANNEL_FN_CONTROL, 5);
+    VbglHGCMParmUInt32Set(&parms.handle, u32ChannelHandle);
+    VbglHGCMParmUInt32Set(&parms.code, u32Code);
+    VbglHGCMParmPtrSet(&parms.parm, pvParm, cbParm);
+    VbglHGCMParmPtrSet(&parms.data, pvData, cbData);
+    VbglHGCMParmUInt32Set(&parms.sizeDataReturned, 0);
+
+    int rc = VbglR3HGCMCall(&parms.hdr, sizeof(parms));
+
+    if (RT_SUCCESS(rc))
+    {
+        *pu32SizeDataReturned = parms.sizeDataReturned.u.value32;
+    }
+
+    return rc;
+}
+
+VBGLR3DECL(int) VbglR3HostChannelEventWait(uint32_t *pu32ChannelHandle,
+                                           uint32_t u32HGCMClientId,
+                                           uint32_t *pu32EventId,
+                                           void *pvParm,
+                                           uint32_t cbParm,
+                                           uint32_t *pu32SizeReturned)
+{
+    VBoxHostChannelEventWait parms;
+    VBGL_HGCM_HDR_INIT(&parms.hdr, u32HGCMClientId, VBOX_HOST_CHANNEL_FN_EVENT_WAIT, 4);
+    VbglHGCMParmUInt32Set(&parms.handle, 0);
+    VbglHGCMParmUInt32Set(&parms.id, 0);
+    VbglHGCMParmPtrSet(&parms.parm, pvParm, cbParm);
+    VbglHGCMParmUInt32Set(&parms.sizeReturned, 0);
+
+    int rc = VbglR3HGCMCall(&parms.hdr, sizeof(parms));
+
+    if (RT_SUCCESS(rc))
+    {
+        *pu32ChannelHandle = parms.handle.u.value32;
+        *pu32EventId = parms.id.u.value32;
+        *pu32SizeReturned = parms.sizeReturned.u.value32;
+    }
+
+    return rc;
+}
+
+VBGLR3DECL(int) VbglR3HostChannelEventCancel(uint32_t u32ChannelHandle,
+                                             uint32_t u32HGCMClientId)
+{
+    RT_NOREF1(u32ChannelHandle);
+
+    VBoxHostChannelEventCancel parms;
+    VBGL_HGCM_HDR_INIT(&parms.hdr, u32HGCMClientId, VBOX_HOST_CHANNEL_FN_EVENT_CANCEL, 0);
+
+    return VbglR3HGCMCall(&parms.hdr, sizeof(parms));
+}
+
+VBGLR3DECL(int) VbglR3HostChannelQuery(const char *pszName,
+                                       uint32_t u32HGCMClientId,
+                                       uint32_t u32Code,
+                                       void *pvParm,
+                                       uint32_t cbParm,
+                                       void *pvData,
+                                       uint32_t cbData,
+                                       uint32_t *pu32SizeDataReturned)
+{
+    /* Make a heap copy of the name, because HGCM can not use some of other memory types. */
+    size_t cbName = strlen(pszName) + 1;
+    char *pszCopy = (char *)RTMemAlloc(cbName);
+    if (pszCopy == NULL)
+    {
+        return VERR_NO_MEMORY;
+    }
+
+    memcpy(pszCopy, pszName, cbName);
+
+    VBoxHostChannelQuery parms;
+    VBGL_HGCM_HDR_INIT(&parms.hdr, u32HGCMClientId, VBOX_HOST_CHANNEL_FN_QUERY, 5);
+    VbglHGCMParmPtrSet(&parms.name, pszCopy, (uint32_t)cbName);
+    VbglHGCMParmUInt32Set(&parms.code, u32Code);
+    VbglHGCMParmPtrSet(&parms.parm, pvParm, cbParm);
+    VbglHGCMParmPtrSet(&parms.data, pvData, cbData);
+    VbglHGCMParmUInt32Set(&parms.sizeDataReturned, 0);
+
+    int rc = VbglR3HGCMCall(&parms.hdr, sizeof(parms));
+
+    if (RT_SUCCESS(rc))
+    {
+        *pu32SizeDataReturned = parms.sizeDataReturned.u.value32;
+    }
+
+    RTMemFree(pszCopy);
+
+    return rc;
+}