441 lines
10 KiB
C
441 lines
10 KiB
C
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/*++
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Copyright (c) 1998 Intel Corporation
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Module Name:
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cp.c
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Abstract:
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Shell app "cp"
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Revision History
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--*/
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#include "shell.h"
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#define COPY_SIZE (64*1024)
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VOID *CpBuffer;
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/*
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*
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*/
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EFI_STATUS
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InitializeCP (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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);
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VOID
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CopyCP (
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IN SHELL_FILE_ARG *Src,
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IN SHELL_FILE_ARG *Dst,
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IN BOOLEAN CreateSubDir
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);
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/*
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*
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*/
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EFI_DRIVER_ENTRY_POINT(InitializeCP)
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EFI_STATUS
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InitializeCP (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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)
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{
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CHAR16 **Argv;
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UINTN Argc;
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UINTN Index;
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CHAR16 *Dest;
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LIST_ENTRY SrcList;
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LIST_ENTRY DstList;
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LIST_ENTRY *Link;
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SHELL_FILE_ARG *SrcArg, *DstArg;
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UINTN Len1, Len2;
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BOOLEAN CreateSubDir;
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/*
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* Check to see if the app is to install as a "internal command"
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* to the shell
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*/
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InstallInternalShellCommand (
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ImageHandle, SystemTable, InitializeCP,
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L"cp", /* command */
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L"cp file [file] ... [dest]", /* command syntax */
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L"Copy files/dirs", /* 1 line descriptor */
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NULL /* command help page */
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);
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/*
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* We are no being installed as an internal command driver, initialize
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* as an nshell app and run
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*/
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InitializeShellApplication (ImageHandle, SystemTable);
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InitializeListHead (&SrcList);
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InitializeListHead (&DstList);
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CpBuffer = NULL;
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CreateSubDir = FALSE;
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Argv = SI->Argv;
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Argc = SI->Argc;
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if (Argc < 2) {
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Print (L"cp: no files specified\n");
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goto Done;
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}
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/*
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* If there's only 1 argument, then assume the destionation is
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* the current directory
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*/
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if (Argc == 2) {
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Dest = L".";
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} else {
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Argc -= 1;
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Dest = Argv[Argc];
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}
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/*
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* Expand the source file list
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*/
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for (Index = 1; Index < Argc; Index += 1) {
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ShellFileMetaArg (Argv[Index], &SrcList);
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}
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/*
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* Expand the desctionation (had better be only one entry)
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*/
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ShellFileMetaArg (Dest, &DstList);
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if (IsListEmpty(&DstList)) {
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Print (L"cp: no destionation\n");
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goto Done;
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}
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DstArg = CR(DstList.Flink, SHELL_FILE_ARG, Link, SHELL_FILE_ARG_SIGNATURE);
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if (DstArg->Link.Flink != &DstList) {
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Print (L"cp: destionation must be 1 location\n");
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goto Done;
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}
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/*
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* Verify no unexpected error on the destionation file
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*/
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if (EFI_ERROR(DstArg->Status) && DstArg->Status != EFI_NOT_FOUND) {
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Print (L"cp: could not open/create destionation %hs - %r\n", DstArg->FullName, DstArg->Status);
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goto Done;
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}
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/*
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* Is there's more then one source file?
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*/
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if (SrcList.Flink->Flink != &SrcList) {
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CreateSubDir = TRUE;
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if (DstArg->Info && !(DstArg->Info->Attribute & EFI_FILE_DIRECTORY)) {
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Print(L"cp: can not copy > 1 source file into single destionation file\n");
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goto Done;
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}
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}
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CpBuffer = AllocatePool (COPY_SIZE);
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if (!CpBuffer) {
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Print(L"cp: out of memory\n");
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goto Done;
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}
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/*
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* Copy each file in the SrcList
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*/
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for (Link=SrcList.Flink; Link!=&SrcList; Link=Link->Flink) {
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SrcArg = CR(Link, SHELL_FILE_ARG, Link, SHELL_FILE_ARG_SIGNATURE);
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if (StriCmp(SrcArg->FileName, DstArg->FileName) == 0) {
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Len1 = DevicePathSize(SrcArg->ParentDevicePath);
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Len2 = DevicePathSize(DstArg->ParentDevicePath);
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if (Len1 == Len2 &&
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CompareMem(SrcArg->ParentDevicePath, DstArg->ParentDevicePath, Len1) == 0) {
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Print(L"cp: can not copy. src = dest (%hs)\n", SrcArg->FullName);
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continue;
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}
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}
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if (EFI_ERROR(SrcArg->Status)) {
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Print(L"cp: can not open %hs - %r\n", SrcArg->FullName, SrcArg->Status);
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continue;
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}
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CopyCP (SrcArg, DstArg, CreateSubDir);
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}
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Done:
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if (CpBuffer) {
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FreePool (CpBuffer);
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CpBuffer = NULL;
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}
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ShellFreeFileList (&SrcList);
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ShellFreeFileList (&DstList);
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return EFI_SUCCESS;
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}
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SHELL_FILE_ARG *
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CpCreateChild (
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IN SHELL_FILE_ARG *Parent,
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IN CHAR16 *FileName,
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IN OUT LIST_ENTRY *ListHead
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)
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{
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SHELL_FILE_ARG *Arg;
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UINTN Len;
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Arg = AllocateZeroPool (sizeof(SHELL_FILE_ARG));
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if (!Arg) {
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return NULL;
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}
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Arg->Signature = SHELL_FILE_ARG_SIGNATURE;
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Parent->Parent->Open (Parent->Handle, &Arg->Parent, L".", EFI_FILE_MODE_READ | EFI_FILE_MODE_WRITE, 0);
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Arg->ParentName = StrDuplicate(Parent->FullName);
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Arg->FileName = StrDuplicate(FileName);
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/* append filename to parent's name to get the file's full name */
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Len = StrLen(Arg->ParentName);
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if (Len && Arg->ParentName[Len-1] == '\\') {
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Len -= 1;
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}
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Arg->FullName = PoolPrint(L"%.*s\\%s", Len, Arg->ParentName, FileName);
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InsertTailList (ListHead, &Arg->Link);
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return Arg;
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}
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VOID
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CopyCP (
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IN SHELL_FILE_ARG *Src,
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IN SHELL_FILE_ARG *Dst,
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IN BOOLEAN CreateSubDir
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)
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{
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EFI_FILE_INFO *Info;
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EFI_STATUS Status;
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UINTN Size, WriteSize;
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LIST_ENTRY Cleanup;
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UINT64 SrcAttr, DstAttr;
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SHELL_FILE_ARG *NewSrc;
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SHELL_FILE_ARG *NewDst;
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if (!Src || !Dst) {
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Print(L"cp: out of memory\n");
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return ;
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}
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/*
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* N.B. we alloc our own shell_file_arg's to recurs, but we only
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* fill in some of the fields
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*/
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Info = (EFI_FILE_INFO *) CpBuffer;
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InitializeListHead (&Cleanup);
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/*
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* If the src file is not open, open it
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*/
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if (!Src->Handle) {
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Status = Src->Parent->Open (
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Src->Parent,
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&Src->Handle,
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Src->FileName,
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EFI_FILE_MODE_READ | EFI_FILE_MODE_WRITE,
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0
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);
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if (EFI_ERROR(Status)) {
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Print(L"cp: could not open/create %hs\n", Src->FullName);
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goto Done;
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}
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}
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Size = COPY_SIZE;
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Status = Src->Handle->GetInfo(Src->Handle, &GenericFileInfo, &Size, Info);
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if (EFI_ERROR(Status)) {
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Print(L"cp: can not get info of %hs\n", Src->FullName);
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goto Done;
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}
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SrcAttr = Info->Attribute;
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/*
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* If the dest file is not open, open/create it
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*/
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if (!Dst->Handle) {
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if (SrcAttr & EFI_FILE_DIRECTORY) {
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CreateSubDir = TRUE;
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}
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Status = Dst->Parent->Open (
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Dst->Parent,
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&Dst->Handle,
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Dst->FileName,
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EFI_FILE_MODE_READ | EFI_FILE_MODE_WRITE | EFI_FILE_MODE_CREATE,
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CreateSubDir ? EFI_FILE_DIRECTORY : 0
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);
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if (EFI_ERROR(Status)) {
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Print(L"cp: could not open/create %hs: %r\n", Dst->FullName, Status);
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goto Done;
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}
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if (CreateSubDir) {
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Print(L"mkdir %s\n", Dst->FullName);
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}
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}
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Size = COPY_SIZE;
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Status = Dst->Handle->GetInfo(Dst->Handle, &GenericFileInfo, &Size, Info);
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if (EFI_ERROR(Status)) {
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Print(L"cp: can not get info of %hs\n", Dst->FullName);
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goto Done;
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}
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DstAttr = Info->Attribute;
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/*
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* If the source is a file, but the dest is a directory we need to create a sub-file
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*/
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if (!(SrcAttr & EFI_FILE_DIRECTORY) && (DstAttr & EFI_FILE_DIRECTORY)) {
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Dst = CpCreateChild (Dst, Src->FileName, &Cleanup);
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CopyCP (Src, Dst, FALSE);
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goto Done;
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}
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/*
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* Copy the source
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*/
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if (!(SrcAttr & EFI_FILE_DIRECTORY)) {
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/*
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* Copy the file's contents
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*/
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Print(L"%s -> %s ", Src->FullName, Dst->FullName);
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Src->Handle->SetPosition (Src->Handle, 0);
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Dst->Handle->SetPosition (Dst->Handle, 0);
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/*
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* Set the size of the destination file to 0.
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*/
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Status = Dst->Handle->GetInfo(Dst->Handle, &GenericFileInfo, &Size, Info);
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if (!EFI_ERROR(Status)) {
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Info->FileSize = 0;
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Status = Dst->Handle->SetInfo(
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Dst->Handle,
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&GenericFileInfo,
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(UINTN) Info->Size,
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Info
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);
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}
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for (; ;) {
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Size = COPY_SIZE;
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Status = Src->Handle->Read (Src->Handle, &Size, CpBuffer);
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if (!Size) {
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break;
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}
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if (EFI_ERROR(Status)) {
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Print(L"- read error: %r\n", Status);
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break;
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}
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WriteSize = Size;
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Status = Dst->Handle->Write (Dst->Handle, &WriteSize, CpBuffer);
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if (EFI_ERROR(Status)) {
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Print(L"- write error: %r\n", Status);
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break;
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}
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if (WriteSize != Size) {
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Print(L"- short write\n");
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break;
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}
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}
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if (Size) {
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Dst->Handle->Delete (Dst->Handle);
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Dst->Handle = NULL;
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goto Done;
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}
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Print(L"[ok]\n");
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} else {
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/*
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* Copy all the sub-entries
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*/
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Src->Handle->SetPosition (Src->Handle, 0);
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for (; ;) {
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Size = COPY_SIZE;
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Status = Src->Handle->Read (Src->Handle, &Size, CpBuffer);
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if (EFI_ERROR(Status) || Size == 0) {
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break;
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}
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/*
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* Skip "." and ".."
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*/
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if (StriCmp(Info->FileName, L".") == 0 ||
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StriCmp(Info->FileName, L"..") == 0) {
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continue;
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||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Copy the sub file
|
||
|
|
*/
|
||
|
|
|
||
|
|
NewSrc = CpCreateChild (Src, Info->FileName, &Cleanup);
|
||
|
|
NewDst = CpCreateChild (Dst, Info->FileName, &Cleanup);
|
||
|
|
CopyCP (NewSrc, NewDst, FALSE);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Close the handles
|
||
|
|
*/
|
||
|
|
|
||
|
|
ShellFreeFileList (&Cleanup);
|
||
|
|
|
||
|
|
/* next... */
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
Done:
|
||
|
|
ShellFreeFileList (&Cleanup);
|
||
|
|
}
|