1 files changed, 85 insertions, 0 deletions
diff --git a/src/VBox/Main/src-server/solaris/DynLoadLibSolaris.cpp b/src/VBox/Main/src-server/solaris/DynLoadLibSolaris.cpp
new file mode 100644
index 00000000..1b7634dc
--- /dev/null
+++ b/src/VBox/Main/src-server/solaris/DynLoadLibSolaris.cpp
@@ -0,0 +1,85 @@
+/* $Id: DynLoadLibSolaris.cpp $ */
+/** @file
+ * Dynamically load libraries for Solaris hosts.
+ */
+
+/*
+ * Copyright (C) 2008-2022 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
+ */
+
+#include "DynLoadLibSolaris.h"
+
+#include <iprt/errcore.h>
+#include <iprt/ldr.h>
+
+
+/** -=-=-=-=-= LIB DLPI -=-=-=-=-=-=- **/
+
+/**
+ * Global pointer to the libdlpi module. This should only be set once all needed libraries
+ * and symbols have been successfully loaded.
+ */
+static RTLDRMOD g_hLibDlpi = NIL_RTLDRMOD;
+
+/**
+ * Whether we have tried to load libdlpi yet.  This flag should only be set
+ * to "true" after we have either loaded both libraries and all symbols which we need,
+ * or failed to load something and unloaded.
+ */
+static bool g_fCheckedForLibDlpi = false;
+
+/** All the symbols we need from libdlpi.
+ * @{
+ */
+int (*g_pfnLibDlpiWalk)(dlpi_walkfunc_t *, void *, uint_t);
+int (*g_pfnLibDlpiOpen)(const char *, dlpi_handle_t *, uint_t);
+void (*g_pfnLibDlpiClose)(dlpi_handle_t);
+/** @} */
+
+bool VBoxSolarisLibDlpiFound(void)
+{
+    RTLDRMOD hLibDlpi;
+
+    if (g_fCheckedForLibDlpi)
+        return g_hLibDlpi != NIL_RTLDRMOD;
+    g_fCheckedForLibDlpi = true;
+    int rc = RTLdrLoad(LIB_DLPI, &hLibDlpi);
+    if (RT_SUCCESS(rc))
+    {
+        /*
+         * Unfortunately; we cannot make use of dlpi_get_physaddr because it requires us to
+         * open the VNIC/link which requires root permissions :/
+         */
+        rc  = RTLdrGetSymbol(hLibDlpi, "dlpi_walk", (void **)&g_pfnLibDlpiWalk);
+        rc |= RTLdrGetSymbol(hLibDlpi, "dlpi_close", (void **)&g_pfnLibDlpiClose);
+        rc |= RTLdrGetSymbol(hLibDlpi, "dlpi_open", (void **)&g_pfnLibDlpiOpen);
+        if (RT_SUCCESS(rc))
+        {
+            g_hLibDlpi = hLibDlpi;
+            return true;
+        }
+
+        RTLdrClose(hLibDlpi);
+    }
+    hLibDlpi = NIL_RTLDRMOD;
+    return false;
+}
+