SUPLibLdr.cpp revision 13493ab7596e827b8d0caab2c89e635dd65f78f9
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * VirtualBox Support Library - Loader related bits.
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * Copyright (C) 2006-2013 Oracle Corporation
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * This file is part of VirtualBox Open Source Edition (OSE), as
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * available from http://www.virtualbox.org. This file is free software;
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * you can redistribute it and/or modify it under the terms of the GNU
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * General Public License (GPL) as published by the Free Software
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * Foundation, in version 2 as it comes in the "COPYING" file of the
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * The contents of this file may alternatively be used under the terms
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * of the Common Development and Distribution License Version 1.0
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * VirtualBox OSE distribution, in which case the provisions of the
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * CDDL are applicable instead of those of the GPL.
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * You may elect to license modified versions of this file under the
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * terms and conditions of either the GPL or the CDDL or both.
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync/** @page pg_sup SUP - The Support Library
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * The support library is responsible for providing facilities to load
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * VMM Host Ring-0 code, to call Host VMM Ring-0 code from Ring-3 Host
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * code, to pin down physical memory, and more.
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * The VMM Host Ring-0 code can be combined in the support driver if
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * permitted by kernel module license policies. If it is not combined
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * it will be externalized in a .r0 module that will be loaded using
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * the IPRT loader.
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * The Ring-0 calling is done thru a generic SUP interface which will
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * transfer an argument set and call a predefined entry point in the Host
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * VMM Ring-0 code.
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * See @ref grp_sup "SUP - Support APIs" for API details.
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync/*******************************************************************************
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync* Header Files *
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync*******************************************************************************/
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync/*******************************************************************************
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync* Defined Constants And Macros *
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync*******************************************************************************/
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync/** R0 VMM module name. */
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync/*******************************************************************************
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync* Structures and Typedefs *
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync*******************************************************************************/
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsynctypedef DECLCALLBACK(int) FNCALLVMMR0(PVMR0 pVMR0, unsigned uOperation, void *pvArg);
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync/*******************************************************************************
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync* Global Variables *
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync*******************************************************************************/
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync/** VMMR0 Load Address. */
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync/*******************************************************************************
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync* Internal Functions *
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync*******************************************************************************/
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsyncstatic int supLoadModule(const char *pszFilename, const char *pszModule, const char *pszSrvReqHandler, void **ppvImageBase);
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsyncstatic DECLCALLBACK(int) supLoadModuleResolveImport(RTLDRMOD hLdrMod, const char *pszModule, const char *pszSymbol, unsigned uSymbol, RTUINTPTR *pValue, void *pvUser);
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsyncSUPR3DECL(int) SUPR3LoadModule(const char *pszFilename, const char *pszModule, void **ppvImageBase, PRTERRINFO pErrInfo)
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * Check that the module can be trusted.
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync int rc = SUPR3HardenedVerifyPlugIn(pszFilename, pErrInfo);
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync rc = supLoadModule(pszFilename, pszModule, NULL, ppvImageBase);
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync RTErrInfoSetF(pErrInfo, rc, "SUPR3LoadModule: supLoadModule returned %Rrc", rc);
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsyncSUPR3DECL(int) SUPR3LoadServiceModule(const char *pszFilename, const char *pszModule,
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync AssertPtrReturn(pszSrvReqHandler, VERR_INVALID_PARAMETER);
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * Check that the module can be trusted.
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync int rc = SUPR3HardenedVerifyPlugIn(pszFilename, NULL /*pErrInfo*/);
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync rc = supLoadModule(pszFilename, pszModule, pszSrvReqHandler, ppvImageBase);
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync LogRel(("SUPR3LoadServiceModule: Verification of \"%s\" failed, rc=%Rrc\n", rc));
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * Resolve an external symbol during RTLdrGetBits().
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * @returns VBox status code.
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * @param hLdrMod The loader module handle.
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * @param pszModule Module name.
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * @param pszSymbol Symbol name, NULL if uSymbol should be used.
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * @param uSymbol Symbol ordinal, ~0 if pszSymbol should be used.
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * @param pValue Where to store the symbol value (address).
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * @param pvUser User argument.
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsyncstatic DECLCALLBACK(int) supLoadModuleResolveImport(RTLDRMOD hLdrMod, const char *pszModule,
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync const char *pszSymbol, unsigned uSymbol, RTUINTPTR *pValue, void *pvUser)
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * Only SUPR0 and VMMR0.r0
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync AssertMsgFailed(("%s is importing from %s! (expected 'SUPR0.dll' or 'VMMR0.r0', case-sensitive)\n", pvUser, pszModule));
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * No ordinals.
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync AssertMsgFailed(("%s is importing by ordinal (ord=%d)\n", pvUser, (int)(uintptr_t)pszSymbol));
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * Lookup symbol.
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync /** @todo is this actually used??? */
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync /* skip the 64-bit ELF import prefix first. */
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * Check the VMMR0.r0 module if loaded.
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync /** @todo call the SUPR3LoadModule caller.... */
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync /** @todo proper reference counting and such. */
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync if (!SUPR3GetSymbolR0((void *)g_pvVMMR0, pszSymbol, &pvValue))
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync /* iterate the function table. */
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync PSUPFUNC pFunc = &g_pSupFunctions->u.Out.aFunctions[0];
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync while (c-- > 0)
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * Symbols that are undefined by convention.
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync static const char * const s_apszConvSyms[] =
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync for (unsigned i = 0; i < RT_ELEMENTS(s_apszConvSyms); i += 2)
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync while (c-- > 0)
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync RTAssertMsg2Weak("%d: %s\n", g_pSupFunctions->u.Out.cFunctions - c, pFunc->szName);
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync AssertLogRelMsgFailed(("%s is importing %s which we couldn't find\n", pvUser, pszSymbol));
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync/** Argument package for supLoadModuleCalcSizeCB. */
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * Callback used to calculate the image size.
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * @return VINF_SUCCESS
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsyncstatic DECLCALLBACK(int) supLoadModuleCalcSizeCB(RTLDRMOD hLdrMod, const char *pszSymbol, unsigned uSymbol, RTUINTPTR Value, void *pvUser)
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync PSUPLDRCALCSIZEARGS pArgs = (PSUPLDRCALCSIZEARGS)pvUser;
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync/** Argument package for supLoadModuleCreateTabsCB. */
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * Callback used to calculate the image size.
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * @return VINF_SUCCESS
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsyncstatic DECLCALLBACK(int) supLoadModuleCreateTabsCB(RTLDRMOD hLdrMod, const char *pszSymbol, unsigned uSymbol, RTUINTPTR Value, void *pvUser)
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync PSUPLDRCREATETABSARGS pArgs = (PSUPLDRCREATETABSARGS)pvUser;
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync pArgs->pSym->offName = pArgs->psz - pArgs->pszBase;
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * Worker for SUPR3LoadModule().
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * @returns VBox status code.
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * @param pszFilename Name of the VMMR0 image file
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsyncstatic int supLoadModule(const char *pszFilename, const char *pszModule, const char *pszSrvReqHandler, void **ppvImageBase)
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * Validate input.
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync AssertPtrReturn(pszFilename, VERR_INVALID_PARAMETER);
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync AssertPtrReturn(pszModule, VERR_INVALID_PARAMETER);
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync AssertPtrReturn(ppvImageBase, VERR_INVALID_PARAMETER);
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync AssertReturn(strlen(pszModule) < RT_SIZEOFMEMB(SUPLDROPEN, u.In.szName), VERR_FILENAME_TOO_LONG);
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync char szAbsFilename[RT_SIZEOFMEMB(SUPLDROPEN, u.In.szFilename)];
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync rc = RTPathAbs(pszFilename, szAbsFilename, sizeof(szAbsFilename));
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync const bool fIsVMMR0 = !strcmp(pszModule, "VMMR0.r0");
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync AssertReturn(!pszSrvReqHandler || !fIsVMMR0, VERR_INTERNAL_ERROR);
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * Open image file and figure its size.
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync rc = RTLdrOpen(pszFilename, 0, RTLDRARCH_HOST, &hLdrMod);
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync LogRel(("SUP: RTLdrOpen failed for %s (%s)\n", pszModule, pszFilename, rc));
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync rc = RTLdrEnumSymbols(hLdrMod, 0, NULL, 0, supLoadModuleCalcSizeCB, &CalcArgs);
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync const uint32_t offSymTab = RT_ALIGN_32(CalcArgs.cbImage, 8);
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync const uint32_t offStrTab = offSymTab + CalcArgs.cSymbols * sizeof(SUPLDRSYM);
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync const uint32_t cbImageWithTabs = RT_ALIGN_32(offStrTab + CalcArgs.cbStrings, 8);
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * Open the R0 image.
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync OpenReq.u.In.cbImageBits = (uint32_t)CalcArgs.cbImage;
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync rc = suplibOsIOCtl(&g_supLibData, SUP_IOCTL_LDR_OPEN, &OpenReq, SUP_IOCTL_LDR_OPEN_SIZE);
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * We need to load it.
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * Allocate memory for the image bits.
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync PSUPLDRLOAD pLoadReq = (PSUPLDRLOAD)RTMemTmpAlloc(SUP_IOCTL_LDR_LOAD_SIZE(cbImageWithTabs));
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * Get the image bits.
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync rc = RTLdrGetBits(hLdrMod, &pLoadReq->u.In.abImage[0], (uintptr_t)OpenReq.u.Out.pvImageBase,
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * Get the entry points.
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync rc = RTLdrGetSymbolEx(hLdrMod, &pLoadReq->u.In.abImage[0], (uintptr_t)OpenReq.u.Out.pvImageBase, "VMMR0EntryInt", &VMMR0EntryInt);
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync rc = RTLdrGetSymbolEx(hLdrMod, &pLoadReq->u.In.abImage[0], (uintptr_t)OpenReq.u.Out.pvImageBase, "VMMR0EntryFast", &VMMR0EntryFast);
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync rc = RTLdrGetSymbolEx(hLdrMod, &pLoadReq->u.In.abImage[0], (uintptr_t)OpenReq.u.Out.pvImageBase, "VMMR0EntryEx", &VMMR0EntryEx);
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync rc = RTLdrGetSymbolEx(hLdrMod, &pLoadReq->u.In.abImage[0], (uintptr_t)OpenReq.u.Out.pvImageBase, pszSrvReqHandler, &SrvReqHandler);
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync int rc2 = RTLdrGetSymbolEx(hLdrMod, &pLoadReq->u.In.abImage[0], (uintptr_t)OpenReq.u.Out.pvImageBase, "ModuleInit", &ModuleInit);
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync rc2 = RTLdrGetSymbolEx(hLdrMod, &pLoadReq->u.In.abImage[0], (uintptr_t)OpenReq.u.Out.pvImageBase, "ModuleTerm", &ModuleTerm);
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * Create the symbol and string tables.
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync CreateArgs.pSym = (PSUPLDRSYM)&pLoadReq->u.In.abImage[offSymTab];
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync CreateArgs.pszBase = (char *)&pLoadReq->u.In.abImage[offStrTab];
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync rc = RTLdrEnumSymbols(hLdrMod, 0, NULL, 0, supLoadModuleCreateTabsCB, &CreateArgs);
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync AssertRelease((size_t)(CreateArgs.psz - CreateArgs.pszBase) <= CalcArgs.cbStrings);
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync AssertRelease((size_t)(CreateArgs.pSym - (PSUPLDRSYM)&pLoadReq->u.In.abImage[offSymTab]) <= CalcArgs.cSymbols);
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * Upload the image.
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync pLoadReq->Hdr.u32SessionCookie = g_u32SessionCookie;
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync pLoadReq->Hdr.cbIn = SUP_IOCTL_LDR_LOAD_SIZE_IN(cbImageWithTabs);
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync pLoadReq->Hdr.fFlags = SUPREQHDR_FLAGS_MAGIC | SUPREQHDR_FLAGS_EXTRA_IN;
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync pLoadReq->u.In.pfnModuleInit = (RTR0PTR)ModuleInit;
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync pLoadReq->u.In.pfnModuleTerm = (RTR0PTR)ModuleTerm;
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync pLoadReq->u.In.EP.VMMR0.pvVMMR0 = OpenReq.u.Out.pvImageBase;
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync pLoadReq->u.In.EP.VMMR0.pvVMMR0EntryInt = (RTR0PTR)VMMR0EntryInt;
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync pLoadReq->u.In.EP.VMMR0.pvVMMR0EntryFast= (RTR0PTR)VMMR0EntryFast;
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync pLoadReq->u.In.EP.VMMR0.pvVMMR0EntryEx = (RTR0PTR)VMMR0EntryEx;
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync pLoadReq->u.In.EP.Service.pfnServiceReq = (RTR0PTR)SrvReqHandler;
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync pLoadReq->u.In.EP.Service.apvReserved[0] = NIL_RTR0PTR;
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync pLoadReq->u.In.EP.Service.apvReserved[1] = NIL_RTR0PTR;
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync pLoadReq->u.In.EP.Service.apvReserved[2] = NIL_RTR0PTR;
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync pLoadReq->u.In.cbStrTab = (uint32_t)CalcArgs.cbStrings;
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync AssertRelease(pLoadReq->u.In.cbStrTab == CalcArgs.cbStrings);
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync pLoadReq->u.In.cbImageBits = (uint32_t)CalcArgs.cbImage;
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync pLoadReq->u.In.pvImageBase = OpenReq.u.Out.pvImageBase;
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync rc = suplibOsIOCtl(&g_supLibData, SUP_IOCTL_LDR_LOAD, pLoadReq, SUP_IOCTL_LDR_LOAD_SIZE(cbImageWithTabs));
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync LogRel(("SUP: SUP_IOCTL_LDR_LOAD ioctl for %s (%s) failed rc=%Rrc\n", pszModule, pszFilename, rc));
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync || rc == VERR_ALREADY_LOADED /* A competing process. */
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync LogRel(("SUP: Loaded %s (%s) at %#p - ModuleInit at %RTptr and ModuleTerm at %RTptr%s\n",
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync pszModule, pszFilename, OpenReq.u.Out.pvImageBase, ModuleInit, ModuleTerm,
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync OpenReq.u.Out.fNativeLoader ? " using the native ring-0 loader" : ""));
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync LogRel(("SUP: VMMR0EntryEx located at %RTptr, VMMR0EntryFast at %RTptr and VMMR0EntryInt at %RTptr\n",
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync LogRel(("SUP: windbg> .reload /f %s=%#p\n", pszFilename, OpenReq.u.Out.pvImageBase));
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync LogRel(("SUP: Loading failed for %s (%s) rc=%Rrc\n", pszModule, pszFilename, rc));
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync LogRel(("SUP: RTLdrEnumSymbols failed for %s (%s) rc=%Rrc\n", pszModule, pszFilename, rc));
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync LogRel(("SUP: Failed to get entry points for %s (%s) rc=%Rrc\n", pszModule, pszFilename, rc));
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync LogRel(("SUP: RTLdrGetBits failed for %s (%s). rc=%Rrc\n", pszModule, pszFilename, rc));
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync AssertMsgFailed(("failed to allocated %u bytes for SUPLDRLOAD_IN structure!\n", SUP_IOCTL_LDR_LOAD_SIZE(cbImageWithTabs)));
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync LogRel(("SUP: Opened %s (%s) at %#p.\n", pszModule, pszFilename, OpenReq.u.Out.pvImageBase,
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync OpenReq.u.Out.fNativeLoader ? " loaded by the native ring-0 loader" : ""));
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync LogRel(("SUP: windbg> .reload /f %s=%#p\n", pszFilename, OpenReq.u.Out.pvImageBase));
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * Free the requested module.
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync int rc = suplibOsIOCtl(&g_supLibData, SUP_IOCTL_LDR_FREE, &Req, SUP_IOCTL_LDR_FREE_SIZE);
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsyncSUPR3DECL(int) SUPR3GetSymbolR0(void *pvImageBase, const char *pszSymbol, void **ppvValue)
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * Do ioctl.
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync memcpy(Req.u.In.szSymbol, pszSymbol, cchSymbol + 1);
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync int rc = suplibOsIOCtl(&g_supLibData, SUP_IOCTL_LDR_GET_SYMBOL, &Req, SUP_IOCTL_LDR_GET_SYMBOL_SIZE);
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsyncSUPR3DECL(int) SUPR3LoadVMM(const char *pszFilename)
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync return SUPR3LoadModule(pszFilename, "VMMR0.r0", &pvImageBase, NULL /*pErrInfo*/);
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * Worker for SUPR3HardenedLdrLoad and SUPR3HardenedLdrLoadAppPriv.
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * @returns iprt status code.
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * @param pszFilename The full file name.
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * @param phLdrMod Where to store the handle to the loaded module.
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * @param fFlags See RTLDFLAGS_.
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * @param pErrInfo Where to return extended error information.
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * Optional.
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsyncstatic int supR3HardenedLdrLoadIt(const char *pszFilename, PRTLDRMOD phLdrMod, uint32_t fFlags, PRTERRINFO pErrInfo)
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * Verify the image file.
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync int rc = supR3HardenedVerifyFixedFile(pszFilename, false /* fFatal */);
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync LogRel(("supR3HardenedLdrLoadIt: Verification of \"%s\" failed, rc=%Rrc\n", pszFilename, rc));
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync return RTErrInfoSet(pErrInfo, rc, "supR3HardenedVerifyFixedFile failed");
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * Try load it.
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync return RTLdrLoadEx(pszFilename, phLdrMod, fFlags, pErrInfo);
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsyncSUPR3DECL(int) SUPR3HardenedLdrLoad(const char *pszFilename, PRTLDRMOD phLdrMod, uint32_t fFlags, PRTERRINFO pErrInfo)
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * Validate input.
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync AssertPtrReturn(pszFilename, VERR_INVALID_POINTER);
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync AssertReturn(RTPathHavePath(pszFilename), VERR_INVALID_PARAMETER);
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * Add the default extension if it's missing.
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync char *psz = (char *)alloca(cchFilename + cchSuff + 1);
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * Pass it on to the common library loader.
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync return supR3HardenedLdrLoadIt(pszFilename, phLdrMod, fFlags, pErrInfo);
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsyncSUPR3DECL(int) SUPR3HardenedLdrLoadAppPriv(const char *pszFilename, PRTLDRMOD phLdrMod, uint32_t fFlags, PRTERRINFO pErrInfo)
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync LogFlow(("SUPR3HardenedLdrLoadAppPriv: pszFilename=%p:{%s} phLdrMod=%p fFlags=%08x pErrInfo=%p\n", pszFilename, pszFilename, phLdrMod, fFlags, pErrInfo));
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * Validate input.
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync AssertPtrReturn(pszFilename, VERR_INVALID_PARAMETER);
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync AssertMsgReturn(!RTPathHavePath(pszFilename), ("%s\n", pszFilename), VERR_INVALID_PARAMETER);
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * Check the filename.
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync AssertMsgReturn(cchFilename < (RTPATH_MAX / 4) * 3, ("%zu\n", cchFilename), VERR_INVALID_PARAMETER);
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * Construct the private arch path and check if the file exists.
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync int rc = RTPathAppPrivateArch(szPath, sizeof(szPath) - 1 - cchExt - cchFilename);
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync LogRel(("SUPR3HardenedLdrLoadAppPriv: \"%s\" not found\n", szPath));
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * Pass it on to SUPR3HardenedLdrLoad.
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync rc = SUPR3HardenedLdrLoad(szPath, phLdrMod, fFlags, pErrInfo);
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync LogFlow(("SUPR3HardenedLdrLoadAppPriv: returns %Rrc\n", rc));
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsyncSUPR3DECL(int) SUPR3HardenedLdrLoadPlugIn(const char *pszFilename, PRTLDRMOD phLdrMod, PRTERRINFO pErrInfo)
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * Validate input.
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync AssertPtrReturn(pszFilename, VERR_INVALID_PARAMETER);
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync AssertReturn(RTPathStartsWithRoot(pszFilename), VERR_INVALID_PARAMETER);
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * Verify the image file.
13493ab7596e827b8d0caab2c89e635dd65f78f9vboxsync int rc = supR3HardenedVerifyFile(pszFilename, RTHCUINTPTR_MAX, true /*fMaybe3rdParty*/, pErrInfo);
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync LogRel(("supR3HardenedVerifyFile: Verification of \"%s\" failed, rc=%Rrc\n", pszFilename, rc));
98b3fe217f35498ace90d9b63a8298c0b6353c2cvboxsync * Try load it.