149 lines
3 KiB
C
149 lines
3 KiB
C
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/*++
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Copyright (c) 1997 Microsoft Corporation
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Module Name:
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spbasefile.c
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Abstract:
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see also
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.\spcab.c
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.\spbasefile.c
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.\spbasefile.h
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windows\winstate\...\cablib.c
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windows\winstate\cobra\utils\main\basefile.c
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windows\winstate\cobra\utils\inc\basefile.h
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Author:
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Jay Krell (a-JayK) November 2000
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Revision History:
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--*/
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#include "spprecmp.h"
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#include "spstrings.h"
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#include "spbasefile.h"
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#include "spbasefilep.h"
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#include "spwin.h"
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#include "spcab.h"
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#include "spcabp.h"
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HANDLE
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SpCreateFile1A(
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IN PCSTR FileName
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)
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{
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HANDLE Handle;
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Handle = SpWin32CreateFileA(
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FileName,
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GENERIC_READ|GENERIC_WRITE,
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0,
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NULL,
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CREATE_ALWAYS,
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FILE_ATTRIBUTE_NORMAL,
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NULL
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);
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if (Handle == INVALID_HANDLE_VALUE) {
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Handle = NULL;
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}
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return Handle;
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}
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PSTR
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SpJoinPathsA(
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PCSTR a,
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PCSTR b
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)
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{
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// UNDONE find code elsewhere in setup that does this already
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PSTR Result = NULL;
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SIZE_T alen = 0;
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SIZE_T blen = 0;
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if (a == NULL)
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goto Exit;
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if (b == NULL)
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goto Exit;
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alen = strlen(a);
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blen = strlen(b);
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Result = SpMemAlloc((alen + blen + 2) * sizeof(*Result));
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if (Result == NULL) {
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SpSetLastWin32ErrorAndNtStatusFromNtStatus(STATUS_NO_MEMORY);
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goto Exit;
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}
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if (alen != 0) {
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strcpy(Result, a);
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if (a[alen - 1] != '\\')
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strcat(Result, "\\");
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}
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strcat(Result, b);
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Exit:
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KdPrintEx((DPFLTR_SETUP_ID, SpPointerToDbgPrintLevel(Result), "SETUP:"__FUNCTION__" exiting\n"));
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return Result;
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}
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HANDLE
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SpOpenFile1A(
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IN PCSTR Ansi
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)
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{
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NTSTATUS Status = STATUS_SUCCESS;
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BOOL Success = FALSE;
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ANSI_STRING AnsiString = { 0 };
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UNICODE_STRING UnicodeString = { 0 };
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HANDLE Handle = NULL;
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RtlInitAnsiString(&AnsiString, Ansi);
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AnsiString.Length = AnsiString.MaximumLength; // include terminal nul
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if (!NT_SUCCESS(Status = SpAnsiStringToUnicodeString(&UnicodeString, &AnsiString, TRUE)))
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goto NtExit;
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Handle = SpOpenFile1W(UnicodeString.Buffer);
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if (Handle == NULL || Handle == INVALID_HANDLE_VALUE)
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goto Exit;
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Exit:
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SpFreeStringW(&UnicodeString);
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KdPrintEx((
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DPFLTR_SETUP_ID,
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SpHandleToDbgPrintLevel(Handle),
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"SETUP:"__FUNCTION__"(%s) exiting %p\n", Ansi, Handle
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));
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return Handle;
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NtExit:
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SpSetLastWin32ErrorAndNtStatusFromNtStatus(Status);
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goto Exit;
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}
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HANDLE
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SpOpenFile1W(
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IN PCWSTR FileName
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)
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{
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HANDLE Handle;
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Handle = SpWin32CreateFileW(
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FileName,
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GENERIC_READ|GENERIC_WRITE,
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0, // no share
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NULL,
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OPEN_EXISTING,
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FILE_ATTRIBUTE_NORMAL,
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NULL
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);
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if (Handle == INVALID_HANDLE_VALUE) {
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Handle = NULL;
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}
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return Handle;
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}
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