1 /** @file 2 Main file for vol shell level 2 function. 3 4 (C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR> 5 Copyright (c) 2011 - 2015, Intel Corporation. All rights reserved.<BR> 6 This program and the accompanying materials 7 are licensed and made available under the terms and conditions of the BSD License 8 which accompanies this distribution. The full text of the license may be found at 9 http://opensource.org/licenses/bsd-license.php 10 11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 13 14 **/ 15 16 #include "UefiShellLevel2CommandsLib.h" 17 #include <Guid/FileSystemInfo.h> 18 #include <Guid/FileSystemVolumeLabelInfo.h> 19 20 /** 21 Print the info or change the volume info. 22 23 @param[in] Path String with starting path. 24 @param[in] Delete TRUE to delete the volume label. FALSE otherwise. 25 @param[in] Name New name to set to the volume label. 26 27 @retval SHELL_SUCCESS The operation was sucessful. 28 **/ 29 SHELL_STATUS 30 HandleVol( 31 IN CONST CHAR16 *Path, 32 IN CONST BOOLEAN Delete, 33 IN CONST CHAR16 *Name OPTIONAL 34 ) 35 { 36 EFI_STATUS Status; 37 SHELL_STATUS ShellStatus; 38 EFI_FILE_SYSTEM_INFO *SysInfo; 39 UINTN SysInfoSize; 40 SHELL_FILE_HANDLE ShellFileHandle; 41 EFI_FILE_PROTOCOL *EfiFpHandle; 42 UINTN Size1; 43 UINTN Size2; 44 45 ShellStatus = SHELL_SUCCESS; 46 47 if ( 48 Name != NULL && ( 49 StrStr(Name, L"%") != NULL || 50 StrStr(Name, L"^") != NULL || 51 StrStr(Name, L"*") != NULL || 52 StrStr(Name, L"+") != NULL || 53 StrStr(Name, L"=") != NULL || 54 StrStr(Name, L"[") != NULL || 55 StrStr(Name, L"]") != NULL || 56 StrStr(Name, L"|") != NULL || 57 StrStr(Name, L":") != NULL || 58 StrStr(Name, L";") != NULL || 59 StrStr(Name, L"\"") != NULL || 60 StrStr(Name, L"<") != NULL || 61 StrStr(Name, L">") != NULL || 62 StrStr(Name, L"?") != NULL || 63 StrStr(Name, L"/") != NULL || 64 StrStr(Name, L" ") != NULL ) 65 ){ 66 ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellLevel2HiiHandle, L"vol", Name); 67 return (SHELL_INVALID_PARAMETER); 68 } 69 70 Status = gEfiShellProtocol->OpenFileByName( 71 Path, 72 &ShellFileHandle, 73 Name != NULL?EFI_FILE_MODE_READ|EFI_FILE_MODE_WRITE:EFI_FILE_MODE_READ); 74 75 if (EFI_ERROR(Status) || ShellFileHandle == NULL) { 76 ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_OPEN_FAIL), gShellLevel2HiiHandle, L"vol", Path); 77 return (SHELL_ACCESS_DENIED); 78 } 79 80 // 81 // Get the Volume Info from ShellFileHandle 82 // 83 SysInfo = NULL; 84 SysInfoSize = 0; 85 EfiFpHandle = ConvertShellHandleToEfiFileProtocol(ShellFileHandle); 86 Status = EfiFpHandle->GetInfo( 87 EfiFpHandle, 88 &gEfiFileSystemInfoGuid, 89 &SysInfoSize, 90 SysInfo); 91 92 if (Status == EFI_BUFFER_TOO_SMALL) { 93 SysInfo = AllocateZeroPool(SysInfoSize); 94 Status = EfiFpHandle->GetInfo( 95 EfiFpHandle, 96 &gEfiFileSystemInfoGuid, 97 &SysInfoSize, 98 SysInfo); 99 } 100 101 ASSERT(SysInfo != NULL); 102 103 if (Delete) { 104 *((CHAR16 *) SysInfo->VolumeLabel) = CHAR_NULL; 105 SysInfo->Size = SIZE_OF_EFI_FILE_SYSTEM_INFO + StrSize(SysInfo->VolumeLabel); 106 Status = EfiFpHandle->SetInfo( 107 EfiFpHandle, 108 &gEfiFileSystemInfoGuid, 109 (UINTN)SysInfo->Size, 110 SysInfo); 111 } else if (Name != NULL) { 112 Size1 = StrSize(Name); 113 Size2 = StrSize(SysInfo->VolumeLabel); 114 if (Size1 > Size2) { 115 SysInfo = ReallocatePool((UINTN)SysInfo->Size, (UINTN)SysInfo->Size + Size1 - Size2, SysInfo); 116 if (SysInfo == NULL) { 117 ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_OUT_MEM), gShellLevel2HiiHandle, L"vol"); 118 ShellStatus = SHELL_OUT_OF_RESOURCES; 119 } 120 } 121 if (SysInfo != NULL) { 122 StrCpyS ( (CHAR16 *) SysInfo->VolumeLabel, 123 (Size1>Size2? Size1/sizeof(CHAR16) : Size2/sizeof(CHAR16)), 124 Name 125 ); 126 SysInfo->Size = SIZE_OF_EFI_FILE_SYSTEM_INFO + Size1; 127 Status = EfiFpHandle->SetInfo( 128 EfiFpHandle, 129 &gEfiFileSystemInfoGuid, 130 (UINTN)SysInfo->Size, 131 SysInfo); 132 } 133 } 134 135 FreePool(SysInfo); 136 137 if (Delete || Name != NULL) { 138 if (EFI_ERROR(Status)) { 139 ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_AD), gShellLevel2HiiHandle, L"vol", Path); 140 ShellStatus = SHELL_ACCESS_DENIED; 141 } 142 } 143 144 SysInfoSize = 0; 145 SysInfo = NULL; 146 147 Status = EfiFpHandle->GetInfo( 148 EfiFpHandle, 149 &gEfiFileSystemInfoGuid, 150 &SysInfoSize, 151 SysInfo); 152 153 if (Status == EFI_BUFFER_TOO_SMALL) { 154 SysInfo = AllocateZeroPool(SysInfoSize); 155 Status = EfiFpHandle->GetInfo( 156 EfiFpHandle, 157 &gEfiFileSystemInfoGuid, 158 &SysInfoSize, 159 SysInfo); 160 } 161 162 gEfiShellProtocol->CloseFile(ShellFileHandle); 163 164 ASSERT(SysInfo != NULL); 165 166 if (SysInfo != NULL) { 167 // 168 // print VolumeInfo table 169 // 170 ShellPrintHiiEx ( 171 0, 172 gST->ConOut->Mode->CursorRow, 173 NULL, 174 STRING_TOKEN (STR_VOL_VOLINFO), 175 gShellLevel2HiiHandle, 176 SysInfo->VolumeLabel, 177 SysInfo->ReadOnly?L"r":L"rw", 178 SysInfo->VolumeSize, 179 SysInfo->FreeSpace, 180 SysInfo->BlockSize 181 ); 182 SHELL_FREE_NON_NULL(SysInfo); 183 } 184 185 return (ShellStatus); 186 } 187 188 STATIC CONST SHELL_PARAM_ITEM ParamList[] = { 189 {L"-d", TypeFlag}, 190 {L"-n", TypeValue}, 191 {NULL, TypeMax} 192 }; 193 194 /** 195 Function for 'Vol' command. 196 197 @param[in] ImageHandle Handle to the Image (NULL if Internal). 198 @param[in] SystemTable Pointer to the System Table (NULL if Internal). 199 **/ 200 SHELL_STATUS 201 EFIAPI 202 ShellCommandRunVol ( 203 IN EFI_HANDLE ImageHandle, 204 IN EFI_SYSTEM_TABLE *SystemTable 205 ) 206 { 207 EFI_STATUS Status; 208 LIST_ENTRY *Package; 209 CHAR16 *ProblemParam; 210 SHELL_STATUS ShellStatus; 211 CONST CHAR16 *PathName; 212 CONST CHAR16 *CurDir; 213 BOOLEAN DeleteMode; 214 CHAR16 *FullPath; 215 CHAR16 *TempSpot; 216 UINTN Length; 217 CONST CHAR16 *NewName; 218 219 Length = 0; 220 ProblemParam = NULL; 221 ShellStatus = SHELL_SUCCESS; 222 PathName = NULL; 223 CurDir = NULL; 224 FullPath = NULL; 225 226 // 227 // initialize the shell lib (we must be in non-auto-init...) 228 // 229 Status = ShellInitialize(); 230 ASSERT_EFI_ERROR(Status); 231 232 // 233 // Fix local copies of the protocol pointers 234 // 235 Status = CommandInit(); 236 ASSERT_EFI_ERROR(Status); 237 238 // 239 // parse the command line 240 // 241 Status = ShellCommandLineParse (ParamList, &Package, &ProblemParam, TRUE); 242 if (EFI_ERROR(Status)) { 243 if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) { 244 ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel2HiiHandle, L"vol", ProblemParam); 245 FreePool(ProblemParam); 246 ShellStatus = SHELL_INVALID_PARAMETER; 247 } else { 248 ASSERT(FALSE); 249 } 250 } else { 251 // 252 // check for "-?" 253 // 254 if (ShellCommandLineGetFlag(Package, L"-?")) { 255 ASSERT(FALSE); 256 } 257 258 if (ShellCommandLineGetCount(Package) > 2) { 259 ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel2HiiHandle, L"vol"); 260 ShellStatus = SHELL_INVALID_PARAMETER; 261 } else { 262 PathName = ShellCommandLineGetRawValue(Package, 1); 263 if (PathName == NULL) { 264 CurDir = gEfiShellProtocol->GetCurDir(NULL); 265 if (CurDir == NULL) { 266 ShellStatus = SHELL_NOT_FOUND; 267 ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_NO_CWD), gShellLevel2HiiHandle, L"vol"); 268 } else { 269 PathName = CurDir; 270 } 271 } 272 if (PathName != NULL) { 273 TempSpot = StrStr(PathName, L":"); 274 if (TempSpot != NULL) { 275 *TempSpot = CHAR_NULL; 276 } 277 TempSpot = StrStr(PathName, L"\\"); 278 if (TempSpot != NULL) { 279 *TempSpot = CHAR_NULL; 280 } 281 StrnCatGrow(&FullPath, &Length, PathName, 0); 282 StrnCatGrow(&FullPath, &Length, L":\\", 0); 283 DeleteMode = ShellCommandLineGetFlag(Package, L"-d"); 284 NewName = ShellCommandLineGetValue(Package, L"-n"); 285 if (DeleteMode && ShellCommandLineGetFlag(Package, L"-n")) { 286 ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_CONFLICT), gShellLevel2HiiHandle, L"vol", L"-d", L"-n"); 287 ShellStatus = SHELL_INVALID_PARAMETER; 288 } else if (ShellCommandLineGetFlag(Package, L"-n") && NewName == NULL) { 289 ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_NO_VALUE), gShellLevel2HiiHandle, L"vol", L"-n"); 290 ShellStatus = SHELL_INVALID_PARAMETER; 291 } else if (NewName != NULL && StrLen(NewName) > 11) { 292 ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM_VAL), gShellLevel2HiiHandle, L"vol", NewName, L"-n"); 293 ShellStatus = SHELL_INVALID_PARAMETER; 294 } else if (ShellStatus == SHELL_SUCCESS) { 295 ShellStatus = HandleVol( 296 FullPath, 297 DeleteMode, 298 NewName 299 ); 300 } 301 } 302 } 303 } 304 305 SHELL_FREE_NON_NULL(FullPath); 306 307 // 308 // free the command line package 309 // 310 ShellCommandLineFreeVarList (Package); 311 312 return (ShellStatus); 313 } 314
