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/* $Id: DynLoadLibSolaris.cpp $ */
/** @file
* Dynamically load libraries for Solaris hosts.
*/
/*
* Copyright (C) 2008 Oracle Corporation
*
* This file is part of VirtualBox Open Source Edition (OSE), as
* available from http://www.virtualbox.org. This file is free software;
* you can redistribute it and/or modify it under the terms of the GNU
* General Public License (GPL) as published by the Free Software
* Foundation, in version 2 as it comes in the "COPYING" file of the
* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
*/
#include "DynLoadLibSolaris.h"
#include <iprt/err.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 = NULL;
/**
* 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);
/** @} */
bool VBoxSolarisLibDlpiFound(void)
{
RTLDRMOD hLibDlpi;
if (g_hLibDlpi && g_fCheckedForLibDlpi)
return true;
if (g_fCheckedForLibDlpi)
return false;
if (!RT_SUCCESS(RTLdrLoad(LIB_DLPI, &hLibDlpi)))
return false;
/*
* Unfortunately; we cannot make use of dlpi_get_physaddr because it requires us to
* open the VNIC/link which requires root permissions :/
*/
if (RT_SUCCESS(RTLdrGetSymbol(hLibDlpi, "dlpi_walk", (void **)&g_pfnLibDlpiWalk)))
{
g_hLibDlpi = hLibDlpi;
g_fCheckedForLibDlpi = true;
return true;
}
else
{
RTLdrClose(hLibDlpi);
g_fCheckedForLibDlpi = true;
return false;
}
}
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