1 files changed, 245 insertions, 0 deletions
diff --git a/src/VBox/HostDrivers/Support/solaris/SUPLib-solaris.cpp b/src/VBox/HostDrivers/Support/solaris/SUPLib-solaris.cpp
new file mode 100644
index 00000000..8e12b929
--- /dev/null
+++ b/src/VBox/HostDrivers/Support/solaris/SUPLib-solaris.cpp
@@ -0,0 +1,245 @@
+/* $Id: SUPLib-solaris.cpp $ */
+/** @file
+ * VirtualBox Support Library - Solaris specific parts.
+ */
+
+/*
+ * Copyright (C) 2006-2023 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
+ */
+
+
+/*********************************************************************************************************************************
+*   Header Files                                                                                                                 *
+*********************************************************************************************************************************/
+#define LOG_GROUP LOG_GROUP_SUP
+#ifdef IN_SUP_HARDENED_R3
+# undef DEBUG /* Warning: disables RT_STRICT */
+# ifndef LOG_DISABLED
+#  define LOG_DISABLED
+# endif
+# define RTLOG_REL_DISABLED
+# include <iprt/log.h>
+#endif
+
+#include <VBox/types.h>
+#include <VBox/sup.h>
+#include <VBox/param.h>
+#include <VBox/err.h>
+#include <VBox/log.h>
+#include <iprt/path.h>
+#include <iprt/assert.h>
+#include <iprt/mem.h>
+#include <iprt/err.h>
+#include <iprt/string.h>
+#include "../SUPLibInternal.h"
+#include "../SUPDrvIOC.h"
+
+#include <sys/fcntl.h>
+#include <sys/ioctl.h>
+#include <sys/zone.h>
+
+#include <fcntl.h>
+#include <errno.h>
+#include <unistd.h>
+#include <sys/mman.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <zone.h>
+
+
+/*********************************************************************************************************************************
+*   Defined Constants And Macros                                                                                                 *
+*********************************************************************************************************************************/
+/** Solaris device link - system. */
+#define DEVICE_NAME_SYS       "/devices/pseudo/vboxdrv@0:vboxdrv"
+/** Solaris device link - user. */
+#define DEVICE_NAME_USR       "/devices/pseudo/vboxdrv@0:vboxdrvu"
+/** Solaris device link - system (non-global zone). */
+#define DEVICE_NAME_SYS_ZONE  "/dev/vboxdrv"
+/** Solaris device link - user (non-global zone). */
+#define DEVICE_NAME_USR_ZONE  "/dev/vboxdrvu"
+
+
+
+DECLHIDDEN(int) suplibOsInit(PSUPLIBDATA pThis, bool fPreInited, uint32_t fFlags, SUPINITOP *penmWhat, PRTERRINFO pErrInfo)
+{
+    /*
+     * Nothing to do if pre-inited.
+     */
+    if (fPreInited)
+        return VINF_SUCCESS;
+
+    /*
+     * Open dummy files to preallocate file descriptors, see @bugref{4650}.
+     */
+    for (int i = 0; i < SUPLIB_FLT_DUMMYFILES; i++)
+    {
+        pThis->ahDummy[i] = -1;
+        int hDummy = open("/dev/null", O_RDWR, 0);
+        if (hDummy >= 0)
+        {
+            if (fcntl(hDummy, F_SETFD, FD_CLOEXEC) == 0)
+                pThis->ahDummy[i] = hDummy;
+            else
+            {
+                close(hDummy);
+                LogRel(("Failed to set close on exec [%d] /dev/null! errno=%d\n", i, errno));
+            }
+        }
+        else
+            LogRel(("Failed to open[%d] /dev/null! errno=%d\n", i, errno));
+    }
+
+    /*
+     * Try to open the device.
+     */
+    const char *pszDeviceNm;
+    if (getzoneid() == GLOBAL_ZONEID)
+        pszDeviceNm = fFlags & SUPR3INIT_F_UNRESTRICTED ? DEVICE_NAME_SYS : DEVICE_NAME_USR;
+    else
+        pszDeviceNm = fFlags & SUPR3INIT_F_UNRESTRICTED ? DEVICE_NAME_SYS_ZONE : DEVICE_NAME_USR_ZONE;
+    int hDevice = open(pszDeviceNm, O_RDWR, 0);
+    if (hDevice < 0)
+    {
+        int rc;
+        switch (errno)
+        {
+            case ENODEV:    rc = VERR_VM_DRIVER_LOAD_ERROR; break;
+            case EPERM:
+            case EACCES:    rc = VERR_VM_DRIVER_NOT_ACCESSIBLE; break;
+            case ENOENT:    rc = VERR_VM_DRIVER_NOT_INSTALLED; break;
+            default:        rc = VERR_VM_DRIVER_OPEN_ERROR; break;
+        }
+        LogRel(("Failed to open \"%s\", errno=%d, rc=%Rrc\n", pszDeviceNm, errno, rc));
+        return rc;
+    }
+
+    /*
+     * Mark the file handle close on exec.
+     */
+    if (fcntl(hDevice, F_SETFD, FD_CLOEXEC) != 0)
+    {
+#ifdef IN_SUP_HARDENED_R3
+        int rc = VERR_INTERNAL_ERROR;
+#else
+        int err = errno;
+        int rc = RTErrConvertFromErrno(err);
+        LogRel(("suplibOSInit: setting FD_CLOEXEC failed, errno=%d (%Rrc)\n", err, rc));
+#endif
+        close(hDevice);
+        return rc;
+    }
+
+    pThis->hDevice       = hDevice;
+    pThis->fUnrestricted = RT_BOOL(fFlags & SUPR3INIT_F_UNRESTRICTED);
+    return VINF_SUCCESS;
+}
+
+
+DECLHIDDEN(int) suplibOsTerm(PSUPLIBDATA pThis)
+{
+    /*
+     * Close the dummy files first.
+     */
+    for (int i = 0; i < SUPLIB_FLT_DUMMYFILES; i++)
+    {
+        if (pThis->ahDummy[i] != -1)
+        {
+            close(pThis->ahDummy[i]);
+            pThis->ahDummy[i] = -1;
+        }
+    }
+
+    /*
+     * Check if we're initialized
+     */
+    if (pThis->hDevice != (intptr_t)NIL_RTFILE)
+    {
+        if (close(pThis->hDevice))
+            AssertFailed();
+        pThis->hDevice = (intptr_t)NIL_RTFILE;
+    }
+
+    return VINF_SUCCESS;
+}
+
+
+#ifndef IN_SUP_HARDENED_R3
+
+DECLHIDDEN(int) suplibOsInstall(void)
+{
+    return VERR_NOT_IMPLEMENTED;
+}
+
+DECLHIDDEN(int) suplibOsUninstall(void)
+{
+    return VERR_NOT_IMPLEMENTED;
+}
+
+
+DECLHIDDEN(int) suplibOsIOCtl(PSUPLIBDATA pThis, uintptr_t uFunction, void *pvReq, size_t cbReq)
+{
+    if (RT_LIKELY(ioctl(pThis->hDevice, uFunction, pvReq) >= 0))
+        return VINF_SUCCESS;
+    return RTErrConvertFromErrno(errno);
+}
+
+
+DECLHIDDEN(int) suplibOsIOCtlFast(PSUPLIBDATA pThis, uintptr_t uFunction, uintptr_t idCpu)
+{
+    int rc = ioctl(pThis->hDevice, uFunction, idCpu);
+    if (rc == -1)
+        rc = errno;
+    return rc;
+}
+
+
+DECLHIDDEN(int) suplibOsPageAlloc(PSUPLIBDATA pThis, size_t cPages, uint32_t fFlags, void **ppvPages)
+{
+    RT_NOREF(pThis, fFlags);
+    *ppvPages = mmap(NULL, cPages * PAGE_SIZE, PROT_EXEC | PROT_READ | PROT_WRITE,
+                     MAP_PRIVATE | MAP_ANON, -1, 0);
+    if (*ppvPages != (void *)-1)
+        return VINF_SUCCESS;
+    if (errno == EAGAIN)
+        return VERR_NO_MEMORY;
+    return RTErrConvertFromErrno(errno);
+}
+
+
+DECLHIDDEN(int) suplibOsPageFree(PSUPLIBDATA pThis, void *pvPages, size_t cPages)
+{
+    NOREF(pThis);
+    munmap(pvPages, cPages * PAGE_SIZE);
+    return VINF_SUCCESS;
+}
+
+#endif /* !IN_SUP_HARDENED_R3 */
+