windows-nt/Source/XPSP1/NT/base/efiutil/sdk/shell/cp/cp.c

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2020-09-26 03:20:57 -05:00
/*++
Copyright (c) 1998 Intel Corporation
Module Name:
cp.c
Abstract:
Shell app "cp"
Revision History
--*/
#include "shell.h"
#define COPY_SIZE (64*1024)
VOID *CpBuffer;
/*
*
*/
EFI_STATUS
InitializeCP (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
);
VOID
CopyCP (
IN SHELL_FILE_ARG *Src,
IN SHELL_FILE_ARG *Dst,
IN BOOLEAN CreateSubDir
);
/*
*
*/
EFI_DRIVER_ENTRY_POINT(InitializeCP)
EFI_STATUS
InitializeCP (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
{
CHAR16 **Argv;
UINTN Argc;
UINTN Index;
CHAR16 *Dest;
LIST_ENTRY SrcList;
LIST_ENTRY DstList;
LIST_ENTRY *Link;
SHELL_FILE_ARG *SrcArg, *DstArg;
UINTN Len1, Len2;
BOOLEAN CreateSubDir;
/*
* Check to see if the app is to install as a "internal command"
* to the shell
*/
InstallInternalShellCommand (
ImageHandle, SystemTable, InitializeCP,
L"cp", /* command */
L"cp file [file] ... [dest]", /* command syntax */
L"Copy files/dirs", /* 1 line descriptor */
NULL /* command help page */
);
/*
* We are no being installed as an internal command driver, initialize
* as an nshell app and run
*/
InitializeShellApplication (ImageHandle, SystemTable);
InitializeListHead (&SrcList);
InitializeListHead (&DstList);
CpBuffer = NULL;
CreateSubDir = FALSE;
Argv = SI->Argv;
Argc = SI->Argc;
if (Argc < 2) {
Print (L"cp: no files specified\n");
goto Done;
}
/*
* If there's only 1 argument, then assume the destionation is
* the current directory
*/
if (Argc == 2) {
Dest = L".";
} else {
Argc -= 1;
Dest = Argv[Argc];
}
/*
* Expand the source file list
*/
for (Index = 1; Index < Argc; Index += 1) {
ShellFileMetaArg (Argv[Index], &SrcList);
}
/*
* Expand the desctionation (had better be only one entry)
*/
ShellFileMetaArg (Dest, &DstList);
if (IsListEmpty(&DstList)) {
Print (L"cp: no destionation\n");
goto Done;
}
DstArg = CR(DstList.Flink, SHELL_FILE_ARG, Link, SHELL_FILE_ARG_SIGNATURE);
if (DstArg->Link.Flink != &DstList) {
Print (L"cp: destionation must be 1 location\n");
goto Done;
}
/*
* Verify no unexpected error on the destionation file
*/
if (EFI_ERROR(DstArg->Status) && DstArg->Status != EFI_NOT_FOUND) {
Print (L"cp: could not open/create destionation %hs - %r\n", DstArg->FullName, DstArg->Status);
goto Done;
}
/*
* Is there's more then one source file?
*/
if (SrcList.Flink->Flink != &SrcList) {
CreateSubDir = TRUE;
if (DstArg->Info && !(DstArg->Info->Attribute & EFI_FILE_DIRECTORY)) {
Print(L"cp: can not copy > 1 source file into single destionation file\n");
goto Done;
}
}
CpBuffer = AllocatePool (COPY_SIZE);
if (!CpBuffer) {
Print(L"cp: out of memory\n");
goto Done;
}
/*
* Copy each file in the SrcList
*/
for (Link=SrcList.Flink; Link!=&SrcList; Link=Link->Flink) {
SrcArg = CR(Link, SHELL_FILE_ARG, Link, SHELL_FILE_ARG_SIGNATURE);
if (StriCmp(SrcArg->FileName, DstArg->FileName) == 0) {
Len1 = DevicePathSize(SrcArg->ParentDevicePath);
Len2 = DevicePathSize(DstArg->ParentDevicePath);
if (Len1 == Len2 &&
CompareMem(SrcArg->ParentDevicePath, DstArg->ParentDevicePath, Len1) == 0) {
Print(L"cp: can not copy. src = dest (%hs)\n", SrcArg->FullName);
continue;
}
}
if (EFI_ERROR(SrcArg->Status)) {
Print(L"cp: can not open %hs - %r\n", SrcArg->FullName, SrcArg->Status);
continue;
}
CopyCP (SrcArg, DstArg, CreateSubDir);
}
Done:
if (CpBuffer) {
FreePool (CpBuffer);
CpBuffer = NULL;
}
ShellFreeFileList (&SrcList);
ShellFreeFileList (&DstList);
return EFI_SUCCESS;
}
SHELL_FILE_ARG *
CpCreateChild (
IN SHELL_FILE_ARG *Parent,
IN CHAR16 *FileName,
IN OUT LIST_ENTRY *ListHead
)
{
SHELL_FILE_ARG *Arg;
UINTN Len;
Arg = AllocateZeroPool (sizeof(SHELL_FILE_ARG));
if (!Arg) {
return NULL;
}
Arg->Signature = SHELL_FILE_ARG_SIGNATURE;
Parent->Parent->Open (Parent->Handle, &Arg->Parent, L".", EFI_FILE_MODE_READ | EFI_FILE_MODE_WRITE, 0);
Arg->ParentName = StrDuplicate(Parent->FullName);
Arg->FileName = StrDuplicate(FileName);
/* append filename to parent's name to get the file's full name */
Len = StrLen(Arg->ParentName);
if (Len && Arg->ParentName[Len-1] == '\\') {
Len -= 1;
}
Arg->FullName = PoolPrint(L"%.*s\\%s", Len, Arg->ParentName, FileName);
InsertTailList (ListHead, &Arg->Link);
return Arg;
}
VOID
CopyCP (
IN SHELL_FILE_ARG *Src,
IN SHELL_FILE_ARG *Dst,
IN BOOLEAN CreateSubDir
)
{
EFI_FILE_INFO *Info;
EFI_STATUS Status;
UINTN Size, WriteSize;
LIST_ENTRY Cleanup;
UINT64 SrcAttr, DstAttr;
SHELL_FILE_ARG *NewSrc;
SHELL_FILE_ARG *NewDst;
if (!Src || !Dst) {
Print(L"cp: out of memory\n");
return ;
}
/*
* N.B. we alloc our own shell_file_arg's to recurs, but we only
* fill in some of the fields
*/
Info = (EFI_FILE_INFO *) CpBuffer;
InitializeListHead (&Cleanup);
/*
* If the src file is not open, open it
*/
if (!Src->Handle) {
Status = Src->Parent->Open (
Src->Parent,
&Src->Handle,
Src->FileName,
EFI_FILE_MODE_READ | EFI_FILE_MODE_WRITE,
0
);
if (EFI_ERROR(Status)) {
Print(L"cp: could not open/create %hs\n", Src->FullName);
goto Done;
}
}
Size = COPY_SIZE;
Status = Src->Handle->GetInfo(Src->Handle, &GenericFileInfo, &Size, Info);
if (EFI_ERROR(Status)) {
Print(L"cp: can not get info of %hs\n", Src->FullName);
goto Done;
}
SrcAttr = Info->Attribute;
/*
* If the dest file is not open, open/create it
*/
if (!Dst->Handle) {
if (SrcAttr & EFI_FILE_DIRECTORY) {
CreateSubDir = TRUE;
}
Status = Dst->Parent->Open (
Dst->Parent,
&Dst->Handle,
Dst->FileName,
EFI_FILE_MODE_READ | EFI_FILE_MODE_WRITE | EFI_FILE_MODE_CREATE,
CreateSubDir ? EFI_FILE_DIRECTORY : 0
);
if (EFI_ERROR(Status)) {
Print(L"cp: could not open/create %hs: %r\n", Dst->FullName, Status);
goto Done;
}
if (CreateSubDir) {
Print(L"mkdir %s\n", Dst->FullName);
}
}
Size = COPY_SIZE;
Status = Dst->Handle->GetInfo(Dst->Handle, &GenericFileInfo, &Size, Info);
if (EFI_ERROR(Status)) {
Print(L"cp: can not get info of %hs\n", Dst->FullName);
goto Done;
}
DstAttr = Info->Attribute;
/*
* If the source is a file, but the dest is a directory we need to create a sub-file
*/
if (!(SrcAttr & EFI_FILE_DIRECTORY) && (DstAttr & EFI_FILE_DIRECTORY)) {
Dst = CpCreateChild (Dst, Src->FileName, &Cleanup);
CopyCP (Src, Dst, FALSE);
goto Done;
}
/*
* Copy the source
*/
if (!(SrcAttr & EFI_FILE_DIRECTORY)) {
/*
* Copy the file's contents
*/
Print(L"%s -> %s ", Src->FullName, Dst->FullName);
Src->Handle->SetPosition (Src->Handle, 0);
Dst->Handle->SetPosition (Dst->Handle, 0);
/*
* Set the size of the destination file to 0.
*/
Status = Dst->Handle->GetInfo(Dst->Handle, &GenericFileInfo, &Size, Info);
if (!EFI_ERROR(Status)) {
Info->FileSize = 0;
Status = Dst->Handle->SetInfo(
Dst->Handle,
&GenericFileInfo,
(UINTN) Info->Size,
Info
);
}
for (; ;) {
Size = COPY_SIZE;
Status = Src->Handle->Read (Src->Handle, &Size, CpBuffer);
if (!Size) {
break;
}
if (EFI_ERROR(Status)) {
Print(L"- read error: %r\n", Status);
break;
}
WriteSize = Size;
Status = Dst->Handle->Write (Dst->Handle, &WriteSize, CpBuffer);
if (EFI_ERROR(Status)) {
Print(L"- write error: %r\n", Status);
break;
}
if (WriteSize != Size) {
Print(L"- short write\n");
break;
}
}
if (Size) {
Dst->Handle->Delete (Dst->Handle);
Dst->Handle = NULL;
goto Done;
}
Print(L"[ok]\n");
} else {
/*
* Copy all the sub-entries
*/
Src->Handle->SetPosition (Src->Handle, 0);
for (; ;) {
Size = COPY_SIZE;
Status = Src->Handle->Read (Src->Handle, &Size, CpBuffer);
if (EFI_ERROR(Status) || Size == 0) {
break;
}
/*
* Skip "." and ".."
*/
if (StriCmp(Info->FileName, L".") == 0 ||
StriCmp(Info->FileName, L"..") == 0) {
continue;
}
/*
* 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);
}