X-Git-Url: https://code.delx.au/refind/blobdiff_plain/de33b3554d3dde875eea6e1f1b3da54e22e2c326..e07b72471fa62945801b4a4e3bcac662a1b4888d:/refind/main.c diff --git a/refind/main.c b/refind/main.c index 8679fd6..ca7bb13 100644 --- a/refind/main.c +++ b/refind/main.c @@ -34,7 +34,7 @@ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /* - * Modifications copyright (c) 2012 Roderick W. Smith + * Modifications copyright (c) 2012-2013 Roderick W. Smith * * Modifications distributed under the terms of the GNU General Public * License (GPL) version 3 (GPLv3), a copy of which must be distributed @@ -75,12 +75,14 @@ #define DRIVER_DIRS L"drivers,drivers_x64" #define FALLBACK_FULLNAME L"EFI\\BOOT\\bootx64.efi" #define FALLBACK_BASENAME L"bootx64.efi" +#define EFI_STUB_ARCH 0x8664 #elif defined (EFI32) #define SHELL_NAMES L"\\EFI\\tools\\shell.efi,\\EFI\\tools\\shellia32.efi,\\shell.efi,\\shellia32.efi" #define GPTSYNC_NAMES L"\\EFI\\tools\\gptsync.efi,\\EFI\\tools\\gptsync_ia32.efi" #define DRIVER_DIRS L"drivers,drivers_ia32" #define FALLBACK_FULLNAME L"EFI\\BOOT\\bootia32.efi" #define FALLBACK_BASENAME L"bootia32.efi" +#define EFI_STUB_ARCH 0x014c #else #define SHELL_NAMES L"\\EFI\\tools\\shell.efi,\\shell.efi" #define GPTSYNC_NAMES L"\\EFI\\tools\\gptsync.efi" @@ -88,6 +90,7 @@ #define FALLBACK_FULLNAME L"EFI\\BOOT\\boot.efi" /* Not really correct */ #define FALLBACK_BASENAME L"boot.efi" /* Not really correct */ #endif +#define FAT_ARCH 0x0ef1fab9 /* ID for Apple "fat" binary */ // Filename patterns that identify EFI boot loaders. Note that a single case (either L"*.efi" or // L"*.EFI") is fine for most systems; but Gigabyte's buggy Hybrid EFI does a case-sensitive @@ -111,7 +114,7 @@ static REFIT_MENU_ENTRY MenuEntryReset = { L"Reboot Computer", TAG_REBOOT, 1, static REFIT_MENU_ENTRY MenuEntryShutdown = { L"Shut Down Computer", TAG_SHUTDOWN, 1, 0, 'U', NULL, NULL, NULL }; static REFIT_MENU_ENTRY MenuEntryReturn = { L"Return to Main Menu", TAG_RETURN, 1, 0, 0, NULL, NULL, NULL }; static REFIT_MENU_ENTRY MenuEntryExit = { L"Exit rEFInd", TAG_EXIT, 1, 0, 0, NULL, NULL, NULL }; -static REFIT_MENU_ENTRY MenuEntryFirmware = { L"Reboot to Firmware User Interface", TAG_FIRMWARE, 1, 0, 0, NULL, NULL, NULL }; +static REFIT_MENU_ENTRY MenuEntryFirmware = { L"Reboot to Computer Setup Utility", TAG_FIRMWARE, 1, 0, 0, NULL, NULL, NULL }; static REFIT_MENU_SCREEN MainMenu = { L"Main Menu", NULL, 0, NULL, 0, NULL, 0, L"Automatic boot", L"Use arrow keys to move cursor; Enter to boot;", @@ -124,7 +127,7 @@ REFIT_CONFIG GlobalConfig = { FALSE, FALSE, 0, 0, 0, DONT_CHANGE_TEXT_MODE, 20, 0, 0, 0, 0, 0, 0 } }; -const EFI_GUID GlobalGuid = EFI_GLOBAL_VARIABLE; +EFI_GUID GlobalGuid = EFI_GLOBAL_VARIABLE; // Structure used to hold boot loader filenames and time stamps in // a linked list; used to sort entries within a directory. @@ -144,7 +147,7 @@ static VOID AboutrEFInd(VOID) if (AboutMenu.EntryCount == 0) { AboutMenu.TitleImage = BuiltinIcon(BUILTIN_ICON_FUNC_ABOUT); - AddMenuInfoLine(&AboutMenu, L"rEFInd Version 0.6.9.2"); + AddMenuInfoLine(&AboutMenu, L"rEFInd Version 0.7.0"); AddMenuInfoLine(&AboutMenu, L""); AddMenuInfoLine(&AboutMenu, L"Copyright (c) 2006-2010 Christoph Pfisterer"); AddMenuInfoLine(&AboutMenu, L"Copyright (c) 2012-2013 Roderick W. Smith"); @@ -322,7 +325,7 @@ static EFI_STATUS StartEFIImage(IN EFI_DEVICE_PATH *DevicePath, // From gummiboot: Retrieve a raw EFI variable. // Returns EFI status -static EFI_STATUS EfivarGetRaw(const EFI_GUID *vendor, CHAR16 *name, CHAR8 **buffer, UINTN *size) { +static EFI_STATUS EfivarGetRaw(EFI_GUID *vendor, CHAR16 *name, CHAR8 **buffer, UINTN *size) { CHAR8 *buf; UINTN l; EFI_STATUS err; @@ -332,7 +335,7 @@ static EFI_STATUS EfivarGetRaw(const EFI_GUID *vendor, CHAR16 *name, CHAR8 **buf if (!buf) return EFI_OUT_OF_RESOURCES; - err = uefi_call_wrapper(RT->GetVariable, 5, name, vendor, NULL, &l, buf); + err = refit_call5_wrapper(RT->GetVariable, name, vendor, NULL, &l, buf); if (EFI_ERROR(err) == EFI_SUCCESS) { *buffer = buf; if (size) @@ -343,14 +346,14 @@ static EFI_STATUS EfivarGetRaw(const EFI_GUID *vendor, CHAR16 *name, CHAR8 **buf } // EFI_STATUS EfivarGetRaw() // From gummiboot: Set an EFI variable -static EFI_STATUS EfivarSetRaw(const EFI_GUID *vendor, CHAR16 *name, CHAR8 *buf, UINTN size, BOOLEAN persistent) { +static EFI_STATUS EfivarSetRaw(EFI_GUID *vendor, CHAR16 *name, CHAR8 *buf, UINTN size, BOOLEAN persistent) { UINT32 flags; flags = EFI_VARIABLE_BOOTSERVICE_ACCESS|EFI_VARIABLE_RUNTIME_ACCESS; if (persistent) flags |= EFI_VARIABLE_NON_VOLATILE; - return uefi_call_wrapper(RT->SetVariable, 5, name, vendor, flags, size, buf); + return refit_call5_wrapper(RT->SetVariable, name, vendor, flags, size, buf); } // EFI_STATUS EfivarSetRaw() // From gummiboot: Reboot the computer into its built-in user interface @@ -371,7 +374,7 @@ static EFI_STATUS RebootIntoFirmware(VOID) { if (err != EFI_SUCCESS) return err; - uefi_call_wrapper(RT->ResetSystem, 4, EfiResetCold, EFI_SUCCESS, 0, NULL); + refit_call4_wrapper(RT->ResetSystem, EfiResetCold, EFI_SUCCESS, 0, NULL); Print(L"Error calling ResetSystem: %r", err); PauseForKey(); // uefi_call_wrapper(BS->Stall, 1, 3 * 1000 * 1000); @@ -383,7 +386,7 @@ static EFI_STATUS RebootIntoFirmware(VOID) { // EFI OS loader functions // -static VOID StartLoader(IN LOADER_ENTRY *Entry) +static VOID StartLoader(LOADER_ENTRY *Entry) { UINTN ErrorInStep = 0; @@ -718,7 +721,7 @@ VOID GenerateSubScreen(LOADER_ENTRY *Entry, IN REFIT_VOLUME *Volume) { } // while MyFreePool(InitrdName); MyFreePool(File); - } // if Linux options file exists + } // if } else if (Entry->OSType == 'E') { // entries for ELILO SubEntry = InitializeLoaderEntry(Entry); @@ -807,6 +810,34 @@ static CHAR16 * GetMainLinuxOptions(IN CHAR16 * LoaderPath, IN REFIT_VOLUME *Vol return (FullOptions); } // static CHAR16 * GetMainLinuxOptions() +// Try to guess the name of the Linux distribution & add that name to +// OSIconName list. +static VOID GuessLinuxDistribution(CHAR16 **OSIconName, REFIT_VOLUME *Volume, CHAR16 *LoaderPath) { + UINTN FileSize = 0; + REFIT_FILE File; + CHAR16** TokenList; + UINTN TokenCount = 0; + + // If on Linux root fs, /etc/os-release file probably has clues.... + if (FileExists(Volume->RootDir, L"etc\\os-release") && + (ReadFile(Volume->RootDir, L"etc\\os-release", &File, &FileSize) == EFI_SUCCESS)) { + do { + TokenCount = ReadTokenLine(&File, &TokenList); + if ((TokenCount > 1) && ((StriCmp(TokenList[0], L"ID") == 0) || (StriCmp(TokenList[0], L"NAME") == 0))) { + MergeStrings(OSIconName, TokenList[1], L','); + } // if + FreeTokenLine(&TokenList, &TokenCount); + } while (TokenCount > 0); + MyFreePool(File.Buffer); + } // if + + // Search for clues in the kernel's filename.... + if (StriSubCmp(L".fc", LoaderPath)) + MergeStrings(OSIconName, L"fedora", L','); + if (StriSubCmp(L".el", LoaderPath)) + MergeStrings(OSIconName, L"redhat", L','); +} // VOID GuessLinuxDistribution() + // Sets a few defaults for a loader entry -- mainly the icon, but also the OS type // code and shortcut letter. For Linux EFI stub loaders, also sets kernel options // that will (with luck) work fairly automatically. @@ -858,6 +889,7 @@ VOID SetLoaderDefaults(LOADER_ENTRY *Entry, CHAR16 *LoaderPath, REFIT_VOLUME *Vo // detect specific loaders if (StriSubCmp(L"bzImage", LoaderPath) || StriSubCmp(L"vmlinuz", LoaderPath)) { + GuessLinuxDistribution(&OSIconName, Volume, LoaderPath); MergeStrings(&OSIconName, L"linux", L','); Entry->OSType = 'L'; if (ShortcutLetter == 0) @@ -868,6 +900,10 @@ VOID SetLoaderDefaults(LOADER_ENTRY *Entry, CHAR16 *LoaderPath, REFIT_VOLUME *Vo MergeStrings(&OSIconName, L"refit", L','); Entry->OSType = 'R'; ShortcutLetter = 'R'; + } else if (StriSubCmp(L"refind", LoaderPath)) { + MergeStrings(&OSIconName, L"refind", L','); + Entry->OSType = 'R'; + ShortcutLetter = 'R'; } else if (StriCmp(LoaderPath, MACOSX_LOADER_PATH) == 0) { if (Volume->VolIconImage != NULL) { // custom icon file found Entry->me.Image = Volume->VolIconImage; @@ -1096,6 +1132,66 @@ static BOOLEAN DuplicatesFallback(IN REFIT_VOLUME *Volume, IN CHAR16 *FileName) return AreIdentical; } // BOOLEAN DuplicatesFallback() +// Returns FALSE if two measures of file size are identical for a single file, +// TRUE if not or if the file can't be opened and the other measure is non-0. +// Despite the function's name, this isn't really a direct test of symbolic +// link status, since EFI doesn't officially support symlinks. It does seem +// to be a reliable indicator, though. (OTOH, some disk errors might cause a +// file to fail to open, which would return a false positive -- but as I use +// this function to exclude symbolic links from the list of boot loaders, +// that would be fine, since such boot loaders wouldn't work.) +static BOOLEAN IsSymbolicLink(REFIT_VOLUME *Volume, CHAR16 *Path, EFI_FILE_INFO *DirEntry) { + EFI_FILE_HANDLE FileHandle; + EFI_FILE_INFO *FileInfo = NULL; + EFI_STATUS Status; + UINTN FileSize2 = 0; + CHAR16 *FileName; + + FileName = StrDuplicate(Path); + MergeStrings(&FileName, DirEntry->FileName, L'\\'); + CleanUpPathNameSlashes(FileName); + + Status = refit_call5_wrapper(Volume->RootDir->Open, Volume->RootDir, &FileHandle, FileName, EFI_FILE_MODE_READ, 0); + if (Status == EFI_SUCCESS) { + FileInfo = LibFileInfo(FileHandle); + if (FileInfo != NULL) + FileSize2 = FileInfo->FileSize; + } + + MyFreePool(FileName); + MyFreePool(FileInfo); + + return (DirEntry->FileSize != FileSize2); +} // BOOLEAN IsSymbolicLink() + +// Returns TRUE if this file is a valid EFI loader file, and is proper ARCH +static BOOLEAN IsValidLoader(REFIT_VOLUME *Volume, CHAR16 *FileName) { + BOOLEAN IsValid = TRUE; +#if defined (EFIX64) | defined (EFI32) + EFI_STATUS Status; + EFI_FILE_HANDLE FileHandle; + CHAR8 Header[512]; + UINTN Size = sizeof(Header); + + Status = refit_call5_wrapper(Volume->RootDir->Open, Volume->RootDir, &FileHandle, FileName, EFI_FILE_MODE_READ, 0); + if (EFI_ERROR(Status)) + return 0; + + Status = refit_call3_wrapper(FileHandle->Read, FileHandle, &Size, Header); + refit_call1_wrapper(FileHandle->Close, FileHandle); + + IsValid = !EFI_ERROR(Status) && + Size == sizeof(Header) && + ((Header[0] == 'M' && Header[1] == 'Z' && + (Size = *(UINT32 *)&Header[0x3c]) < 0x180 && + Header[Size] == 'P' && Header[Size+1] == 'E' && + Header[Size+2] == 0 && Header[Size+3] == 0 && + *(UINT16 *)&Header[Size+4] == EFI_STUB_ARCH) || + (*(UINT32 *)&Header == FAT_ARCH)); +#endif + return IsValid; +} // BOOLEAN IsValidLoader() + // Scan an individual directory for EFI boot loader files and, if found, // add them to the list. Exception: Ignores FALLBACK_FULLNAME, which is picked // up in ScanEfiFiles(). Sorts the entries within the loader directory so that @@ -1122,6 +1218,7 @@ static BOOLEAN ScanLoaderDir(IN REFIT_VOLUME *Volume, IN CHAR16 *Path, IN CHAR16 StriCmp(Extension, L".png") == 0 || (StriCmp(DirEntry->FileName, FALLBACK_BASENAME) == 0 && (StriCmp(Path, L"EFI\\BOOT") == 0)) || StriSubCmp(L"shell", DirEntry->FileName) || + IsSymbolicLink(Volume, Path, DirEntry) || /* is symbolic link */ IsIn(DirEntry->FileName, GlobalConfig.DontScanFiles)) continue; // skip this @@ -1130,6 +1227,12 @@ static BOOLEAN ScanLoaderDir(IN REFIT_VOLUME *Volume, IN CHAR16 *Path, IN CHAR16 else SPrint(FileName, 255, L"\\%s", DirEntry->FileName); CleanUpPathNameSlashes(FileName); + + if( /* (!StriSubCmp(L"vmlinuz", DirEntry->FileName) || + !StriSubCmp(L"bzImage", DirEntry->FileName)) && */ + !IsValidLoader(Volume, FileName)) + continue; + NewLoader = AllocateZeroPool(sizeof(struct LOADER_LIST)); if (NewLoader != NULL) { NewLoader->FileName = StrDuplicate(FileName); @@ -1197,7 +1300,7 @@ static VOID ScanEfiFiles(REFIT_VOLUME *Volume) { } // if should scan Mac directory // check for Microsoft boot loader/menu - StrCpy(FileName, L"EFI\\Microsoft\\Boot\\Bootmgfw.efi"); + StrCpy(FileName, L"EFI\\Microsoft\\Boot\\bootmgfw.efi"); if (FileExists(Volume->RootDir, FileName) && ShouldScan(Volume, L"EFI\\Microsoft\\Boot") && !IsIn(L"bootmgfw.efi", GlobalConfig.DontScanFiles)) { AddLoaderEntry(FileName, L"Microsoft EFI boot", Volume);