]> git.proxmox.com Git - mirror_edk2.git/blobdiff - ShellPkg/Library/UefiShellLevel2CommandsLib/Cp.c
Add code to check whether the pointer 'CorrectedPath' and 'FullPath' are NULL before...
[mirror_edk2.git] / ShellPkg / Library / UefiShellLevel2CommandsLib / Cp.c
index d71a23cb736e6b9260baba52a0498dd439c0a73e..8fc263f6ba377ca79f24764a02612ea16a111759 100644 (file)
@@ -1,7 +1,7 @@
 /** @file\r
   Main file for cp shell level 2 function.\r
 \r
-  Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR>\r
+  Copyright (c) 2009 - 2013, Intel Corporation. All rights reserved.<BR>\r
   This program and the accompanying materials\r
   are licensed and made available under the terms and conditions of the BSD License\r
   which accompanies this distribution.  The full text of the license may be found at\r
@@ -13,6 +13,8 @@
 **/\r
 \r
 #include "UefiShellLevel2CommandsLib.h"\r
+#include <Guid/FileSystemInfo.h>\r
+#include <Guid/FileSystemVolumeLabelInfo.h>\r
 \r
 /**\r
   Function to take a list of files to copy and a destination location and do\r
@@ -62,48 +64,41 @@ CopySingleFile(
   IN BOOLEAN      SilentMode\r
   )\r
 {\r
-  VOID                *Response;\r
-  UINTN               ReadSize;\r
-  SHELL_FILE_HANDLE   SourceHandle;\r
-  SHELL_FILE_HANDLE   DestHandle;\r
-  EFI_STATUS          Status;\r
-  VOID                *Buffer;\r
-  CHAR16              *TempName;\r
-  UINTN               Size;\r
-  EFI_SHELL_FILE_INFO *List;\r
-  SHELL_STATUS        ShellStatus;\r
-\r
+  VOID                  *Response;\r
+  UINTN                 ReadSize;\r
+  SHELL_FILE_HANDLE     SourceHandle;\r
+  SHELL_FILE_HANDLE     DestHandle;\r
+  EFI_STATUS            Status;\r
+  VOID                  *Buffer;\r
+  CHAR16                *TempName;\r
+  UINTN                 Size;\r
+  EFI_SHELL_FILE_INFO   *List;\r
+  SHELL_STATUS          ShellStatus;\r
+  UINT64                SourceFileSize;\r
+  UINT64                DestFileSize;\r
+  EFI_FILE_PROTOCOL     *DestVolumeFP;\r
+  EFI_FILE_SYSTEM_INFO  *DestVolumeInfo;\r
+  UINTN                 DestVolumeInfoSize;\r
 \r
   ASSERT(Resp != NULL);\r
 \r
-  SourceHandle  = NULL;\r
-  DestHandle    = NULL;\r
-  Response      = *Resp;\r
-  List          = NULL;\r
+  SourceHandle    = NULL;\r
+  DestHandle      = NULL;\r
+  Response        = *Resp;\r
+  List            = NULL;\r
+  DestVolumeInfo  = NULL;\r
+  ShellStatus     = SHELL_SUCCESS;\r
 \r
-  ReadSize = PcdGet16(PcdShellFileOperationSize);\r
+  ReadSize = PcdGet32(PcdShellFileOperationSize);\r
   // Why bother copying a file to itself\r
   if (StrCmp(Source, Dest) == 0) {\r
     return (SHELL_SUCCESS);\r
   }\r
 \r
-  //\r
-  // Open destination file without create\r
-  //\r
-  Status = ShellOpenFileByName(Dest, &DestHandle, EFI_FILE_MODE_READ|EFI_FILE_MODE_WRITE, 0);\r
-\r
-  //\r
-  // close file\r
-  //\r
-  if (DestHandle != NULL) {\r
-    ShellCloseFile(&DestHandle);\r
-    DestHandle   = NULL;\r
-  }\r
-\r
   //\r
   // if the destination file existed check response and possibly prompt user\r
   //\r
-  if (!EFI_ERROR(Status)) {\r
+  if (ShellFileExists(Dest) == EFI_SUCCESS) {\r
     if (Response == NULL && !SilentMode) {\r
       Status = ShellPromptForResponseHii(ShellPromptResponseTypeYesNoAllCancel, STRING_TOKEN (STR_GEN_DEST_EXIST_OVR), gShellLevel2HiiHandle, &Response);\r
     }\r
@@ -143,18 +138,22 @@ CopySingleFile(
     // Now copy all the files under the directory...\r
     //\r
     TempName    = NULL;\r
-    Size          = 0;\r
+    Size        = 0;\r
     StrnCatGrow(&TempName, &Size, Source, 0);\r
     StrnCatGrow(&TempName, &Size, L"\\*", 0);\r
-    ShellOpenFileMetaArg((CHAR16*)TempName, EFI_FILE_MODE_READ, &List);\r
-    TempName = NULL;\r
-    StrnCatGrow(&TempName, &Size, Dest, 0);\r
-    StrnCatGrow(&TempName, &Size, L"\\", 0);\r
-    ShellStatus = ValidateAndCopyFiles(List, TempName, SilentMode, TRUE, Resp);\r
-    ShellCloseFileMetaArg(&List);\r
-    FreePool(TempName);\r
-    Size = 0;\r
+    if (TempName != NULL) {\r
+      ShellOpenFileMetaArg((CHAR16*)TempName, EFI_FILE_MODE_READ, &List);\r
+      *TempName = CHAR_NULL;\r
+      StrnCatGrow(&TempName, &Size, Dest, 0);\r
+      StrnCatGrow(&TempName, &Size, L"\\", 0);\r
+      ShellStatus = ValidateAndCopyFiles(List, TempName, SilentMode, TRUE, Resp);\r
+      ShellCloseFileMetaArg(&List);\r
+      SHELL_FREE_NON_NULL(TempName);\r
+      Size = 0;\r
+    }\r
   } else {\r
+    Status = ShellDeleteFileByName(Dest);\r
+\r
     //\r
     // open file with create enabled\r
     //\r
@@ -170,17 +169,78 @@ CopySingleFile(
     ASSERT_EFI_ERROR(Status);\r
 \r
     //\r
-    // copy data between files\r
+    //get file size of source file and freespace available on destination volume\r
+    //\r
+    ShellGetFileSize(SourceHandle, &SourceFileSize);\r
+    ShellGetFileSize(DestHandle, &DestFileSize);\r
+\r
+    //\r
+    //if the destination file already exists then it will be replaced, meaning the sourcefile effectively needs less storage space\r
     //\r
-    Buffer = AllocateZeroPool(ReadSize);\r
-    ASSERT(Buffer != NULL);\r
-    while (ReadSize == PcdGet16(PcdShellFileOperationSize) && !EFI_ERROR(Status)) {\r
-      Status = ShellReadFile(SourceHandle, &ReadSize, Buffer);\r
-      ASSERT_EFI_ERROR(Status);\r
-      Status = ShellWriteFile(DestHandle, &ReadSize, Buffer);\r
+    if(DestFileSize < SourceFileSize){\r
+      SourceFileSize -= DestFileSize;\r
+    } else {\r
+      SourceFileSize = 0;\r
+    }\r
+\r
+    //\r
+    //get the system volume info to check the free space\r
+    //\r
+    DestVolumeFP = ConvertShellHandleToEfiFileProtocol(DestHandle);\r
+    DestVolumeInfo = NULL;\r
+    DestVolumeInfoSize = 0;\r
+    Status = DestVolumeFP->GetInfo(\r
+      DestVolumeFP,\r
+      &gEfiFileSystemInfoGuid,\r
+      &DestVolumeInfoSize,\r
+      DestVolumeInfo\r
+      );\r
+\r
+    if (Status == EFI_BUFFER_TOO_SMALL) {\r
+      DestVolumeInfo = AllocateZeroPool(DestVolumeInfoSize);\r
+      Status = DestVolumeFP->GetInfo(\r
+        DestVolumeFP,\r
+        &gEfiFileSystemInfoGuid,\r
+        &DestVolumeInfoSize,\r
+        DestVolumeInfo\r
+        );\r
     }\r
-  }\r
 \r
+    //\r
+    //check if enough space available on destination drive to complete copy\r
+    //\r
+    if (DestVolumeInfo!= NULL && (DestVolumeInfo->FreeSpace < SourceFileSize)) {\r
+      //\r
+      //not enough space on destination directory to copy file\r
+      //\r
+      SHELL_FREE_NON_NULL(DestVolumeInfo);\r
+      ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_CPY_FAIL), gShellLevel2HiiHandle);\r
+      return(SHELL_VOLUME_FULL);\r
+    } else {\r
+      //\r
+      // copy data between files\r
+      //\r
+      Buffer = AllocateZeroPool(ReadSize);\r
+      ASSERT(Buffer != NULL);\r
+      while (ReadSize == PcdGet32(PcdShellFileOperationSize) && !EFI_ERROR(Status)) {\r
+        Status = ShellReadFile(SourceHandle, &ReadSize, Buffer);\r
+        if (!EFI_ERROR(Status)) {\r
+          Status = ShellWriteFile(DestHandle, &ReadSize, Buffer);\r
+          if (EFI_ERROR(Status)) {\r
+            ShellStatus = (SHELL_STATUS) (Status & (~MAX_BIT));\r
+            ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_CPY_WRITE_ERROR), gShellLevel2HiiHandle, Dest);\r
+            break;\r
+          }\r
+        } else {\r
+          ShellStatus = (SHELL_STATUS) (Status & (~MAX_BIT));\r
+          ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_CPY_READ_ERROR), gShellLevel2HiiHandle, Source);\r
+          break;\r
+        }\r
+      }\r
+    }\r
+    SHELL_FREE_NON_NULL(DestVolumeInfo);\r
+  }\r
+  \r
   //\r
   // close files\r
   //\r
@@ -196,7 +256,7 @@ CopySingleFile(
   //\r
   // return\r
   //\r
-  return (SHELL_SUCCESS);\r
+  return ShellStatus;\r
 }\r
 \r
 /**\r
@@ -237,7 +297,6 @@ ValidateAndCopyFiles(
   VOID                      *Response;\r
   UINTN                     PathLen;\r
   CONST CHAR16              *Cwd;\r
-  CONST CHAR16              *TempLocation;\r
   UINTN                     NewSize;\r
 \r
   if (Resp == NULL) {\r
@@ -267,7 +326,7 @@ ValidateAndCopyFiles(
   for (Node = (EFI_SHELL_FILE_INFO *)GetFirstNode(&FileList->Link)\r
     ;  !IsNull(&FileList->Link, &Node->Link)\r
     ;  Node = (EFI_SHELL_FILE_INFO *)GetNextNode(&FileList->Link, &Node->Link)\r
-   ){\r
+    ){\r
     //\r
     // skip the directory traversing stuff...\r
     //\r
@@ -277,7 +336,7 @@ ValidateAndCopyFiles(
 \r
     NewSize =  StrSize(DestDir);\r
     NewSize += StrSize(Node->FullName);\r
-    NewSize += StrSize(Cwd);\r
+    NewSize += (Cwd == NULL)? 0 : StrSize(Cwd);\r
     if (NewSize > PathLen) {\r
       PathLen = NewSize;\r
     }\r
@@ -319,7 +378,7 @@ ValidateAndCopyFiles(
   for (Node = (EFI_SHELL_FILE_INFO *)GetFirstNode(&FileList->Link)\r
     ;  !IsNull(&FileList->Link, &Node->Link)\r
     ;  Node = (EFI_SHELL_FILE_INFO *)GetNextNode(&FileList->Link, &Node->Link)\r
-   ){\r
+    ){\r
     if (ShellGetExecutionBreakFlag()) {\r
       break;\r
     }\r
@@ -335,12 +394,17 @@ ValidateAndCopyFiles(
 \r
     if (FileList->Link.ForwardLink == FileList->Link.BackLink // 1 item\r
       && EFI_ERROR(ShellIsDirectory(DestDir))                 // not an existing directory\r
-     ) {\r
+      ) {\r
       if (StrStr(DestDir, L":") == NULL) {\r
         //\r
         // simple copy of a single file\r
         //\r
-        StrCpy(DestPath, Cwd);\r
+        if (Cwd != NULL) {\r
+          StrCpy(DestPath, Cwd);\r
+        } else {\r
+          ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_DIR_NF), gShellLevel2HiiHandle, DestDir);\r
+          return (SHELL_INVALID_PARAMETER);\r
+        }\r
         if (DestPath[StrLen(DestPath)-1] != L'\\' && DestDir[0] != L'\\') {\r
           StrCat(DestPath, L"\\");\r
         } else if (DestPath[StrLen(DestPath)-1] == L'\\' && DestDir[0] == L'\\') {\r
@@ -354,8 +418,30 @@ ValidateAndCopyFiles(
       //\r
       // we have multiple files or a directory in the DestDir\r
       //\r
-      if (StrStr(DestDir, L":") == NULL) {\r
-        StrCpy(DestPath, Cwd);\r
+      \r
+      //\r
+      // Check for leading slash\r
+      //\r
+      if (DestDir[0] == L'\\') {\r
+         //\r
+         // Copy to the root of CWD\r
+         //\r
+        if (Cwd != NULL) {\r
+          StrCpy(DestPath, Cwd);\r
+        } else {\r
+          ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_DIR_NF), gShellLevel2HiiHandle, DestDir);\r
+          return (SHELL_INVALID_PARAMETER);\r
+        }\r
+        while (PathRemoveLastItem(DestPath));\r
+        StrCat(DestPath, DestDir+1);\r
+        StrCat(DestPath, Node->FileName);\r
+      } else if (StrStr(DestDir, L":") == NULL) {\r
+        if (Cwd != NULL) {\r
+          StrCpy(DestPath, Cwd);\r
+        } else {\r
+          ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_DIR_NF), gShellLevel2HiiHandle, DestDir);\r
+          return (SHELL_INVALID_PARAMETER);\r
+        }\r
         if (DestPath[StrLen(DestPath)-1] != L'\\' && DestDir[0] != L'\\') {\r
           StrCat(DestPath, L"\\");\r
         } else if (DestPath[StrLen(DestPath)-1] == L'\\' && DestDir[0] == L'\\') {\r
@@ -392,7 +478,7 @@ ValidateAndCopyFiles(
     if ( !EFI_ERROR(ShellIsDirectory(Node->FullName))\r
       && !EFI_ERROR(ShellIsDirectory(DestPath))\r
       && StrniCmp(Node->FullName, DestPath, StrLen(DestPath)) == NULL\r
-     ){\r
+      ){\r
       ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_CP_SD_PARENT), gShellLevel2HiiHandle);\r
       ShellStatus = SHELL_INVALID_PARAMETER;\r
       break;\r
@@ -403,15 +489,15 @@ ValidateAndCopyFiles(
       break;\r
     }\r
 \r
-    if ((TempLocation = StrniCmp(Node->FullName, DestPath, StrLen(Node->FullName))) == 0\r
+    if ((StrniCmp(Node->FullName, DestPath, StrLen(Node->FullName)) == 0)\r
       && (DestPath[StrLen(Node->FullName)] == CHAR_NULL || DestPath[StrLen(Node->FullName)] == L'\\')\r
-     ) {\r
+      ) {\r
       ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_CP_SD_SAME), gShellLevel2HiiHandle);\r
       ShellStatus = SHELL_INVALID_PARAMETER;\r
       break;\r
     }\r
 \r
-    CleanPath(DestPath);\r
+    PathCleanUpDirectories(DestPath);\r
 \r
     ShellPrintEx(-1, -1, HiiOutput, Node->FullName, DestPath);\r
 \r
@@ -435,6 +521,7 @@ ValidateAndCopyFiles(
   }\r
 \r
   return (ShellStatus);\r
+\r
 }\r
 \r
 /**\r
@@ -460,12 +547,14 @@ ProcessValidateAndCopyFiles(
 {\r
   SHELL_STATUS        ShellStatus;\r
   EFI_SHELL_FILE_INFO *List;\r
-  EFI_STATUS          Status;\r
   EFI_FILE_INFO       *FileInfo;\r
+  CHAR16              *FullName;\r
 \r
-  List = NULL;\r
+  List      = NULL;\r
+  FullName  = NULL;\r
+  FileInfo  = NULL;\r
 \r
-  Status = ShellOpenFileMetaArg((CHAR16*)DestDir, EFI_FILE_MODE_READ, &List);\r
+  ShellOpenFileMetaArg((CHAR16*)DestDir, EFI_FILE_MODE_READ, &List);\r
   if (List != NULL && List->Link.ForwardLink != List->Link.BackLink) {\r
     ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_MARG_ERROR), gShellLevel2HiiHandle, DestDir);\r
     ShellStatus = SHELL_INVALID_PARAMETER;\r
@@ -473,21 +562,23 @@ ProcessValidateAndCopyFiles(
   } else if (List != NULL) {\r
     ASSERT(((EFI_SHELL_FILE_INFO *)List->Link.ForwardLink) != NULL);\r
     ASSERT(((EFI_SHELL_FILE_INFO *)List->Link.ForwardLink)->FullName != NULL);\r
-    FileInfo    = NULL;\r
     FileInfo = gEfiShellProtocol->GetFileInfo(((EFI_SHELL_FILE_INFO *)List->Link.ForwardLink)->Handle);\r
     ASSERT(FileInfo != NULL);\r
+    StrnCatGrow(&FullName, NULL, ((EFI_SHELL_FILE_INFO *)List->Link.ForwardLink)->FullName, 0);\r
+    ShellCloseFileMetaArg(&List);\r
     if ((FileInfo->Attribute & EFI_FILE_READ_ONLY) == 0) {\r
-      ShellStatus = ValidateAndCopyFiles(FileList, ((EFI_SHELL_FILE_INFO *)List->Link.ForwardLink)->FullName, SilentMode, RecursiveMode, NULL);\r
+      ShellStatus = ValidateAndCopyFiles(FileList, FullName, SilentMode, RecursiveMode, NULL);\r
     } else {\r
       ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_CP_DEST_ERROR), gShellLevel2HiiHandle);\r
       ShellStatus = SHELL_ACCESS_DENIED;\r
     }\r
-    SHELL_FREE_NON_NULL(FileInfo);\r
-    ShellCloseFileMetaArg(&List);\r
   } else {\r
-      ShellStatus = ValidateAndCopyFiles(FileList, DestDir, SilentMode, RecursiveMode, NULL);\r
+    ShellCloseFileMetaArg(&List);\r
+    ShellStatus = ValidateAndCopyFiles(FileList, DestDir, SilentMode, RecursiveMode, NULL);\r
   }\r
 \r
+  SHELL_FREE_NON_NULL(FileInfo);\r
+  SHELL_FREE_NON_NULL(FullName);\r
   return (ShellStatus);\r
 }\r
 \r
@@ -603,22 +694,25 @@ ShellCommandRunCp (
           }\r
           Status = ShellOpenFileMetaArg((CHAR16*)ShellCommandLineGetRawValue(Package, LoopCounter), EFI_FILE_MODE_WRITE|EFI_FILE_MODE_READ, &FileList);\r
           if (EFI_ERROR(Status) || FileList == NULL || IsListEmpty(&FileList->Link)) {\r
-            ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_NF), gShellLevel2HiiHandle, ShellCommandLineGetRawValue(Package, 1));\r
+            ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_NF), gShellLevel2HiiHandle, ShellCommandLineGetRawValue(Package, LoopCounter));\r
             ShellStatus = SHELL_NOT_FOUND;\r
           }\r
         }\r
-        //\r
-        // now copy them all...\r
-        //\r
-        if (FileList != NULL && !IsListEmpty(&FileList->Link)) {\r
-          ShellStatus = ProcessValidateAndCopyFiles(FileList, ShellCommandCleanPath((CHAR16*)ShellCommandLineGetRawValue(Package, ParamCount)), SilentMode, RecursiveMode);\r
+        if (ShellStatus != SHELL_SUCCESS) {\r
           Status = ShellCloseFileMetaArg(&FileList);\r
-          if (EFI_ERROR(Status) && ShellStatus == SHELL_SUCCESS) {\r
-            ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_ERR_FILE), gShellLevel2HiiHandle, ShellCommandLineGetRawValue(Package, 1), ShellStatus|MAX_BIT);\r
-            ShellStatus = SHELL_ACCESS_DENIED;\r
+        } else {\r
+          //\r
+          // now copy them all...\r
+          //\r
+          if (FileList != NULL && !IsListEmpty(&FileList->Link)) {\r
+            ShellStatus = ProcessValidateAndCopyFiles(FileList, PathCleanUpDirectories((CHAR16*)ShellCommandLineGetRawValue(Package, ParamCount)), SilentMode, RecursiveMode);\r
+            Status = ShellCloseFileMetaArg(&FileList);\r
+            if (EFI_ERROR(Status) && ShellStatus == SHELL_SUCCESS) {\r
+              ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_ERR_FILE), gShellLevel2HiiHandle, ShellCommandLineGetRawValue(Package, ParamCount), ShellStatus|MAX_BIT);\r
+              ShellStatus = SHELL_ACCESS_DENIED;\r
+            }\r
           }\r
         }\r
-\r
         break;\r
     } // switch on parameter count\r
 \r