| 1 | /* $Id: SUPLibInternal.h 26402 2010-02-10 08:06:45Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * VirtualBox Support Library - Internal header.
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2006-2007 Sun Microsystems, Inc.
|
|---|
| 8 | *
|
|---|
| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 10 | * available from http://www.virtualbox.org. This file is free software;
|
|---|
| 11 | * you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 12 | * General Public License (GPL) as published by the Free Software
|
|---|
| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
|
|---|
| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
|
|---|
| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 16 | *
|
|---|
| 17 | * The contents of this file may alternatively be used under the terms
|
|---|
| 18 | * of the Common Development and Distribution License Version 1.0
|
|---|
| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
|
|---|
| 20 | * VirtualBox OSE distribution, in which case the provisions of the
|
|---|
| 21 | * CDDL are applicable instead of those of the GPL.
|
|---|
| 22 | *
|
|---|
| 23 | * You may elect to license modified versions of this file under the
|
|---|
| 24 | * terms and conditions of either the GPL or the CDDL or both.
|
|---|
| 25 | *
|
|---|
| 26 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
|
|---|
| 27 | * Clara, CA 95054 USA or visit http://www.sun.com if you need
|
|---|
| 28 | * additional information or have any questions.
|
|---|
| 29 | */
|
|---|
| 30 |
|
|---|
| 31 | #ifndef ___SUPLibInternal_h___
|
|---|
| 32 | #define ___SUPLibInternal_h___
|
|---|
| 33 |
|
|---|
| 34 | #include <VBox/cdefs.h>
|
|---|
| 35 | #include <VBox/types.h>
|
|---|
| 36 | #include <iprt/stdarg.h>
|
|---|
| 37 |
|
|---|
| 38 |
|
|---|
| 39 | /*******************************************************************************
|
|---|
| 40 | * Defined Constants And Macros *
|
|---|
| 41 | *******************************************************************************/
|
|---|
| 42 | /** @def SUPLIB_DLL_SUFF
|
|---|
| 43 | * The (typical) DLL/DYLIB/SO suffix. */
|
|---|
| 44 | #if defined(RT_OS_DARWIN)
|
|---|
| 45 | # define SUPLIB_DLL_SUFF ".dylib"
|
|---|
| 46 | #elif defined(RT_OS_L4)
|
|---|
| 47 | # define SUPLIB_DLL_SUFF ".s.so"
|
|---|
| 48 | #elif defined(RT_OS_OS2) || defined(RT_OS_WINDOWS)
|
|---|
| 49 | # define SUPLIB_DLL_SUFF ".dll"
|
|---|
| 50 | #else
|
|---|
| 51 | # define SUPLIB_DLL_SUFF ".so"
|
|---|
| 52 | #endif
|
|---|
| 53 |
|
|---|
| 54 | #ifdef RT_OS_SOLARIS
|
|---|
| 55 | /** Number of dummy files to open (2:ip4, 1:ip6, 1:extra) see
|
|---|
| 56 | * @bugref{4650}. */
|
|---|
| 57 | # define SUPLIB_FLT_DUMMYFILES 4
|
|---|
| 58 | #endif
|
|---|
| 59 |
|
|---|
| 60 | /** @def SUPLIB_EXE_SUFF
|
|---|
| 61 | * The (typical) executable suffix. */
|
|---|
| 62 | #if defined(RT_OS_OS2) || defined(RT_OS_WINDOWS)
|
|---|
| 63 | # define SUPLIB_EXE_SUFF ".exe"
|
|---|
| 64 | #else
|
|---|
| 65 | # define SUPLIB_EXE_SUFF ""
|
|---|
| 66 | #endif
|
|---|
| 67 |
|
|---|
| 68 | /** @def SUP_HARDENED_SUID
|
|---|
| 69 | * Whether we're employing set-user-ID-on-execute in the hardening.
|
|---|
| 70 | */
|
|---|
| 71 | #if !defined(RT_OS_OS2) && !defined(RT_OS_WINDOWS) && !defined(RT_OS_L4)
|
|---|
| 72 | # define SUP_HARDENED_SUID
|
|---|
| 73 | #else
|
|---|
| 74 | # undef SUP_HARDENED_SUID
|
|---|
| 75 | #endif
|
|---|
| 76 |
|
|---|
| 77 | #ifdef IN_SUP_HARDENED_R3
|
|---|
| 78 | /** @name Make the symbols in SUPR3HardenedStatic different from the VBoxRT ones.
|
|---|
| 79 | * We cannot rely on DECLHIDDEN to make this separation for us since it doesn't
|
|---|
| 80 | * work with all GCC versions. So, we resort to old fashion precompiler hacking.
|
|---|
| 81 | * @{
|
|---|
| 82 | */
|
|---|
| 83 | # define supR3HardenedPathAppPrivateNoArch supR3HardenedStaticPathAppPrivateNoArch
|
|---|
| 84 | # define supR3HardenedPathAppPrivateArch supR3HardenedStaticPathAppPrivateArch
|
|---|
| 85 | # define supR3HardenedPathSharedLibs supR3HardenedStaticPathSharedLibs
|
|---|
| 86 | # define supR3HardenedPathAppDocs supR3HardenedStaticPathAppDocs
|
|---|
| 87 | # define supR3HardenedPathExecDir supR3HardenedStaticPathExecDir
|
|---|
| 88 | # define supR3HardenedPathFilename supR3HardenedStaticPathFilename
|
|---|
| 89 | # define supR3HardenedFatalV supR3HardenedStaticFatalV
|
|---|
| 90 | # define supR3HardenedFatal supR3HardenedStaticFatal
|
|---|
| 91 | # define supR3HardenedFatalMsgV supR3HardenedStaticFatalMsgV
|
|---|
| 92 | # define supR3HardenedFatalMsg supR3HardenedStaticFatalMsg
|
|---|
| 93 | # define supR3HardenedErrorV supR3HardenedStaticErrorV
|
|---|
| 94 | # define supR3HardenedError supR3HardenedStaticError
|
|---|
| 95 | # define supR3HardenedVerifyAll supR3HardenedStaticVerifyAll
|
|---|
| 96 | # define supR3HardenedVerifyDir supR3HardenedStaticVerifyDir
|
|---|
| 97 | # define supR3HardenedVerifyFile supR3HardenedStaticVerifyFile
|
|---|
| 98 | # define supR3HardenedGetPreInitData supR3HardenedStaticGetPreInitData
|
|---|
| 99 | # define supR3HardenedRecvPreInitData supR3HardenedStaticRecvPreInitData
|
|---|
| 100 | /** @} */
|
|---|
| 101 | #endif /* IN_SUP_HARDENED_R3 */
|
|---|
| 102 |
|
|---|
| 103 |
|
|---|
| 104 | /*******************************************************************************
|
|---|
| 105 | * Structures and Typedefs *
|
|---|
| 106 | *******************************************************************************/
|
|---|
| 107 | /**
|
|---|
| 108 | * The type of an installed file.
|
|---|
| 109 | */
|
|---|
| 110 | typedef enum SUPINSTFILETYPE
|
|---|
| 111 | {
|
|---|
| 112 | kSupIFT_Invalid = 0,
|
|---|
| 113 | kSupIFT_Exe,
|
|---|
| 114 | kSupIFT_Dll,
|
|---|
| 115 | kSupIFT_Sys,
|
|---|
| 116 | kSupIFT_Script,
|
|---|
| 117 | kSupIFT_Data,
|
|---|
| 118 | kSupIFT_End
|
|---|
| 119 | } SUPINSTFILETYPE;
|
|---|
| 120 |
|
|---|
| 121 | /**
|
|---|
| 122 | * Installation directory specifier.
|
|---|
| 123 | */
|
|---|
| 124 | typedef enum SUPINSTDIR
|
|---|
| 125 | {
|
|---|
| 126 | kSupID_Invalid = 0,
|
|---|
| 127 | kSupID_Bin,
|
|---|
| 128 | kSupID_AppBin,
|
|---|
| 129 | kSupID_SharedLib,
|
|---|
| 130 | kSupID_AppPrivArch,
|
|---|
| 131 | kSupID_AppPrivArchComp,
|
|---|
| 132 | kSupID_AppPrivNoArch,
|
|---|
| 133 | kSupID_End
|
|---|
| 134 | } SUPINSTDIR;
|
|---|
| 135 |
|
|---|
| 136 | /**
|
|---|
| 137 | * Installed file.
|
|---|
| 138 | */
|
|---|
| 139 | typedef struct SUPINSTFILE
|
|---|
| 140 | {
|
|---|
| 141 | /** File type. */
|
|---|
| 142 | SUPINSTFILETYPE enmType;
|
|---|
| 143 | /** Install directory. */
|
|---|
| 144 | SUPINSTDIR enmDir;
|
|---|
| 145 | /** Optional (true) or mandatory (false. */
|
|---|
| 146 | bool fOptional;
|
|---|
| 147 | /** File name. */
|
|---|
| 148 | const char *pszFile;
|
|---|
| 149 | } SUPINSTFILE;
|
|---|
| 150 | typedef SUPINSTFILE *PSUPINSTFILE;
|
|---|
| 151 | typedef SUPINSTFILE const *PCSUPINSTFILE;
|
|---|
| 152 |
|
|---|
| 153 | /**
|
|---|
| 154 | * Status data for a verified file.
|
|---|
| 155 | */
|
|---|
| 156 | typedef struct SUPVERIFIEDFILE
|
|---|
| 157 | {
|
|---|
| 158 | /** The file handle or descriptor. -1 if not open. */
|
|---|
| 159 | intptr_t hFile;
|
|---|
| 160 | /** Whether the file has been validated. */
|
|---|
| 161 | bool fValidated;
|
|---|
| 162 | } SUPVERIFIEDFILE;
|
|---|
| 163 | typedef SUPVERIFIEDFILE *PSUPVERIFIEDFILE;
|
|---|
| 164 | typedef SUPVERIFIEDFILE const *PCSUPVERIFIEDFILE;
|
|---|
| 165 |
|
|---|
| 166 | /**
|
|---|
| 167 | * Status data for a verified directory.
|
|---|
| 168 | */
|
|---|
| 169 | typedef struct SUPVERIFIEDDIR
|
|---|
| 170 | {
|
|---|
| 171 | /** The directory handle or descriptor. -1 if not open. */
|
|---|
| 172 | intptr_t hDir;
|
|---|
| 173 | /** Whether the directory has been validated. */
|
|---|
| 174 | bool fValidated;
|
|---|
| 175 | } SUPVERIFIEDDIR;
|
|---|
| 176 | typedef SUPVERIFIEDDIR *PSUPVERIFIEDDIR;
|
|---|
| 177 | typedef SUPVERIFIEDDIR const *PCSUPVERIFIEDDIR;
|
|---|
| 178 |
|
|---|
| 179 |
|
|---|
| 180 | /**
|
|---|
| 181 | * SUPLib instance data.
|
|---|
| 182 | *
|
|---|
| 183 | * This is data that is passed from the static to the dynamic SUPLib
|
|---|
| 184 | * in a hardened setup.
|
|---|
| 185 | */
|
|---|
| 186 | typedef struct SUPLIBDATA
|
|---|
| 187 | {
|
|---|
| 188 | /** The device handle. */
|
|---|
| 189 | RTFILE hDevice;
|
|---|
| 190 | #if defined(RT_OS_DARWIN)
|
|---|
| 191 | /** The connection to the VBoxSupDrv service. */
|
|---|
| 192 | uintptr_t uConnection;
|
|---|
| 193 | #elif defined(RT_OS_LINUX)
|
|---|
| 194 | /** Indicates whether madvise(,,MADV_DONTFORK) works. */
|
|---|
| 195 | bool fSysMadviseWorks;
|
|---|
| 196 | #elif defined(RT_OS_SOLARIS)
|
|---|
| 197 | /** Extra dummy file descriptors to prevent growing file-descriptor table on
|
|---|
| 198 | * clean up (see @bugref{4650}). */
|
|---|
| 199 | int ahDummy[SUPLIB_FLT_DUMMYFILES];
|
|---|
| 200 | #elif defined(RT_OS_WINDOWS)
|
|---|
| 201 | #endif
|
|---|
| 202 | } SUPLIBDATA;
|
|---|
| 203 | /** Pointer to the pre-init data. */
|
|---|
| 204 | typedef SUPLIBDATA *PSUPLIBDATA;
|
|---|
| 205 | /** Pointer to const pre-init data. */
|
|---|
| 206 | typedef SUPLIBDATA const *PCSUPLIBDATA;
|
|---|
| 207 |
|
|---|
| 208 |
|
|---|
| 209 | /**
|
|---|
| 210 | * Pre-init data that is handed over from the hardened executable stub.
|
|---|
| 211 | */
|
|---|
| 212 | typedef struct SUPPREINITDATA
|
|---|
| 213 | {
|
|---|
| 214 | /** Magic value (SUPPREINITDATA_MAGIC). */
|
|---|
| 215 | uint32_t u32Magic;
|
|---|
| 216 | /** The SUPLib instance data. */
|
|---|
| 217 | SUPLIBDATA Data;
|
|---|
| 218 | /** The number of entries in paInstallFiles and paVerifiedFiles. */
|
|---|
| 219 | size_t cInstallFiles;
|
|---|
| 220 | /** g_aSupInstallFiles. */
|
|---|
| 221 | PCSUPINSTFILE paInstallFiles;
|
|---|
| 222 | /** g_aSupVerifiedFiles. */
|
|---|
| 223 | PCSUPVERIFIEDFILE paVerifiedFiles;
|
|---|
| 224 | /** The number of entries in paVerifiedDirs. */
|
|---|
| 225 | size_t cVerifiedDirs;
|
|---|
| 226 | /** g_aSupVerifiedDirs. */
|
|---|
| 227 | PCSUPVERIFIEDDIR paVerifiedDirs;
|
|---|
| 228 | /** Magic value (SUPPREINITDATA_MAGIC). */
|
|---|
| 229 | uint32_t u32EndMagic;
|
|---|
| 230 | } SUPPREINITDATA;
|
|---|
| 231 | typedef SUPPREINITDATA *PSUPPREINITDATA;
|
|---|
| 232 | typedef SUPPREINITDATA const *PCSUPPREINITDATA;
|
|---|
| 233 |
|
|---|
| 234 | /** Magic value for SUPPREINITDATA::u32Magic and SUPPREINITDATA::u32EndMagic. */
|
|---|
| 235 | #define SUPPREINITDATA_MAGIC UINT32_C(0xbeef0001)
|
|---|
| 236 |
|
|---|
| 237 | /** @copydoc supR3PreInit */
|
|---|
| 238 | typedef DECLCALLBACK(int) FNSUPR3PREINIT(PSUPPREINITDATA pPreInitData, uint32_t fFlags);
|
|---|
| 239 | /** Pointer to supR3PreInit. */
|
|---|
| 240 | typedef FNSUPR3PREINIT *PFNSUPR3PREINIT;
|
|---|
| 241 |
|
|---|
| 242 |
|
|---|
| 243 | /*******************************************************************************
|
|---|
| 244 | * Global Variables *
|
|---|
| 245 | *******************************************************************************/
|
|---|
| 246 | extern DECLHIDDEN(uint32_t) g_u32Cookie;
|
|---|
| 247 | extern DECLHIDDEN(uint32_t) g_u32SessionCookie;
|
|---|
| 248 | extern DECLHIDDEN(SUPLIBDATA) g_supLibData;
|
|---|
| 249 |
|
|---|
| 250 |
|
|---|
| 251 | /*******************************************************************************
|
|---|
| 252 | * OS Specific Function *
|
|---|
| 253 | *******************************************************************************/
|
|---|
| 254 | RT_C_DECLS_BEGIN
|
|---|
| 255 | int suplibOsInstall(void);
|
|---|
| 256 | int suplibOsUninstall(void);
|
|---|
| 257 | int suplibOsInit(PSUPLIBDATA pThis, bool fPreInited);
|
|---|
| 258 | int suplibOsTerm(PSUPLIBDATA pThis);
|
|---|
| 259 | int suplibOsIOCtl(PSUPLIBDATA pThis, uintptr_t uFunction, void *pvReq, size_t cbReq);
|
|---|
| 260 | int suplibOsIOCtlFast(PSUPLIBDATA pThis, uintptr_t uFunction, uintptr_t idCpu);
|
|---|
| 261 | int suplibOsPageAlloc(PSUPLIBDATA pThis, size_t cPages, void **ppvPages);
|
|---|
| 262 | int suplibOsPageFree(PSUPLIBDATA pThis, void *pvPages, size_t cPages);
|
|---|
| 263 | int suplibOsQueryVTxSupported(void);
|
|---|
| 264 |
|
|---|
| 265 |
|
|---|
| 266 | /**
|
|---|
| 267 | * Performs the pre-initialization of the support library.
|
|---|
| 268 | *
|
|---|
| 269 | * This is dynamically resolved and invoked by the static library before it
|
|---|
| 270 | * calls RTR3Init and thereby SUPR3Init.
|
|---|
| 271 | *
|
|---|
| 272 | * @returns IPRT status code.
|
|---|
| 273 | * @param pPreInitData The pre init data.
|
|---|
| 274 | * @param fFlags The SUPR3HardenedMain flags.
|
|---|
| 275 | */
|
|---|
| 276 | DECLEXPORT(int) supR3PreInit(PSUPPREINITDATA pPreInitData, uint32_t fFlags);
|
|---|
| 277 |
|
|---|
| 278 |
|
|---|
| 279 | /** @copydoc RTPathAppPrivateNoArch */
|
|---|
| 280 | DECLHIDDEN(int) supR3HardenedPathAppPrivateNoArch(char *pszPath, size_t cchPath);
|
|---|
| 281 | /** @copydoc RTPathAppPrivateArch */
|
|---|
| 282 | DECLHIDDEN(int) supR3HardenedPathAppPrivateArch(char *pszPath, size_t cchPath);
|
|---|
| 283 | /** @copydoc RTPathSharedLibs */
|
|---|
| 284 | DECLHIDDEN(int) supR3HardenedPathSharedLibs(char *pszPath, size_t cchPath);
|
|---|
| 285 | /** @copydoc RTPathAppDocs */
|
|---|
| 286 | DECLHIDDEN(int) supR3HardenedPathAppDocs(char *pszPath, size_t cchPath);
|
|---|
| 287 | /** @copydoc RTPathExecDir */
|
|---|
| 288 | DECLHIDDEN(int) supR3HardenedPathExecDir(char *pszPath, size_t cchPath);
|
|---|
| 289 | /** @copydoc RTPathFilename */
|
|---|
| 290 | DECLHIDDEN(char *) supR3HardenedPathFilename(const char *pszPath);
|
|---|
| 291 |
|
|---|
| 292 | /**
|
|---|
| 293 | * Display a fatal error and try call TrustedError or quit.
|
|---|
| 294 | */
|
|---|
| 295 | DECLHIDDEN(void) supR3HardenedFatalMsgV(const char *pszWhere, SUPINITOP enmWhat, int rc, const char *pszMsgFmt, va_list va);
|
|---|
| 296 |
|
|---|
| 297 | /**
|
|---|
| 298 | * Display a fatal error and try call TrustedError or quit.
|
|---|
| 299 | */
|
|---|
| 300 | DECLHIDDEN(void) supR3HardenedFatalMsg(const char *pszWhere, SUPINITOP enmWhat, int rc, const char *pszMsgFmt, ...);
|
|---|
| 301 |
|
|---|
| 302 | /**
|
|---|
| 303 | * Display a fatal error and quit.
|
|---|
| 304 | */
|
|---|
| 305 | DECLHIDDEN(void) supR3HardenedFatalV(const char *pszFormat, va_list va);
|
|---|
| 306 |
|
|---|
| 307 | /**
|
|---|
| 308 | * Display a fatal error and quit.
|
|---|
| 309 | */
|
|---|
| 310 | DECLHIDDEN(void) supR3HardenedFatal(const char *pszFormat, ...);
|
|---|
| 311 |
|
|---|
| 312 | /**
|
|---|
| 313 | * Display an error which may or may not be fatal.
|
|---|
| 314 | */
|
|---|
| 315 | DECLHIDDEN(int) supR3HardenedErrorV(int rc, bool fFatal, const char *pszFormat, va_list va);
|
|---|
| 316 |
|
|---|
| 317 | /**
|
|---|
| 318 | * Display an error which may or may not be fatal.
|
|---|
| 319 | */
|
|---|
| 320 | DECLHIDDEN(int) supR3HardenedError(int rc, bool fFatal, const char *pszFormat, ...);
|
|---|
| 321 | DECLHIDDEN(int) supR3HardenedVerifyAll(bool fFatal, bool fLeaveFilesOpen, const char *pszProgName);
|
|---|
| 322 | DECLHIDDEN(int) supR3HardenedVerifyDir(SUPINSTDIR enmDir, bool fFatal);
|
|---|
| 323 | DECLHIDDEN(int) supR3HardenedVerifyFile(const char *pszFilename, bool fFatal);
|
|---|
| 324 | DECLHIDDEN(void) supR3HardenedGetPreInitData(PSUPPREINITDATA pPreInitData);
|
|---|
| 325 | DECLHIDDEN(int) supR3HardenedRecvPreInitData(PCSUPPREINITDATA pPreInitData);
|
|---|
| 326 |
|
|---|
| 327 |
|
|---|
| 328 | SUPR3DECL(int) supR3PageLock(void *pvStart, size_t cPages, PSUPPAGE paPages);
|
|---|
| 329 | SUPR3DECL(int) supR3PageUnlock(void *pvStart);
|
|---|
| 330 |
|
|---|
| 331 | RT_C_DECLS_END
|
|---|
| 332 |
|
|---|
| 333 |
|
|---|
| 334 | #endif
|
|---|
| 335 |
|
|---|
