cabinet.c File Reference

#include "usetup.h"
#include <zlib.h>
#include <debug.h>

Include dependency graph for cabinet.c:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Classes
struct	_DOSTIME
struct	_DOSDATE
struct	_CFHEADER
struct	_CFFOLDER
struct	_CFFILE
struct	_CFDATA
struct	_CAB_CODEC

Macros
#define	Z_SOLO
#define	NDEBUG
#define	SEEK_BEGIN   0
#define	SEEK_CURRENT   1
#define	SEEK_END   2
#define	CAB_SIGNATURE   0x4643534D
#define	CAB_VERSION   0x0103
#define	CAB_BLOCKSIZE   32768
#define	CAB_COMP_MASK   0x00FF
#define	CAB_COMP_NONE   0x0000
#define	CAB_COMP_MSZIP   0x0001
#define	CAB_COMP_QUANTUM   0x0002
#define	CAB_COMP_LZX   0x0003
#define	CAB_FLAG_HASPREV   0x0001
#define	CAB_FLAG_HASNEXT   0x0002
#define	CAB_FLAG_RESERVE   0x0004
#define	CAB_ATTRIB_READONLY   0x0001
#define	CAB_ATTRIB_HIDDEN   0x0002
#define	CAB_ATTRIB_SYSTEM   0x0004
#define	CAB_ATTRIB_VOLUME   0x0008
#define	CAB_ATTRIB_DIRECTORY   0x0010
#define	CAB_ATTRIB_ARCHIVE   0x0020
#define	CAB_ATTRIB_EXECUTE   0x0040
#define	CAB_ATTRIB_UTF_NAME   0x0080
#define	CAB_FILE_MAX_FOLDER   0xFFFC
#define	CAB_FILE_CONTINUED   0xFFFD
#define	CAB_FILE_SPLIT   0xFFFE
#define	CAB_FILE_PREV_NEXT   0xFFFF
#define	MSZIP_MAGIC   0x4B43

Typedefs
typedef struct _DOSTIME	DOSTIME
typedef struct _DOSTIME *	PDOSTIME
typedef struct _DOSDATE	DOSDATE
typedef struct _DOSDATE *	PDOSDATE
typedef struct _CFHEADER	CFHEADER
typedef struct _CFHEADER *	PCFHEADER
typedef struct _CFFOLDER	CFFOLDER
typedef struct _CFFOLDER *	PCFFOLDER
typedef struct _CFFILE	CFFILE
typedef struct _CFFILE *	PCFFILE
typedef struct _CFDATA	CFDATA
typedef struct _CFDATA *	PCFDATA
typedef ULONG(*	PCABINET_CODEC_UNCOMPRESS) (IN struct _CAB_CODEC *Codec, OUT PVOID OutputBuffer, IN PVOID InputBuffer, IN OUT PLONG InputLength, IN OUT PLONG OutputLength)
typedef struct _CAB_CODEC	CAB_CODEC
typedef struct _CAB_CODEC *	PCAB_CODEC

Functions
void *__cdecl	malloc (size_t size)
void __cdecl	free (void *ptr)
void *__cdecl	calloc (size_t nmemb, size_t size)
ULONG	RawCodecUncompress (IN OUT PCAB_CODEC Codec, OUT PVOID OutputBuffer, IN PVOID InputBuffer, IN OUT PLONG InputLength, IN OUT PLONG OutputLength)
ULONG	MSZipCodecUncompress (IN OUT PCAB_CODEC Codec, OUT PVOID OutputBuffer, IN PVOID InputBuffer, IN OUT PLONG InputLength, IN OUT PLONG OutputLength)
voidpf	MSZipAlloc (voidpf opaque, uInt items, uInt size)
void	MSZipFree (voidpf opaque, voidpf address)
static BOOL	ConvertSystemTimeToFileTime (CONST SYSTEMTIME *lpSystemTime, LPFILETIME lpFileTime)
static BOOL	ConvertDosDateTimeToFileTime (WORD wFatDate, WORD wFatTime, LPFILETIME lpFileTime)
static PWCHAR	GetFileName (PWCHAR Path)
static VOID	RemoveFileName (PWCHAR Path)
static BOOL	SetAttributesOnFile (PCFFILE File, HANDLE hFile)
static ULONG	CloseCabinet (IN PCABINET_CONTEXT CabinetContext)
VOID	CabinetInitialize (IN OUT PCABINET_CONTEXT CabinetContext)
VOID	CabinetCleanup (IN OUT PCABINET_CONTEXT CabinetContext)
static BOOL	CabinetNormalizePath (PWCHAR Path, ULONG Length)
PCWSTR	CabinetGetCabinetName (IN PCABINET_CONTEXT CabinetContext)
VOID	CabinetSetCabinetName (IN PCABINET_CONTEXT CabinetContext, IN PCWSTR FileName)
VOID	CabinetSetDestinationPath (IN PCABINET_CONTEXT CabinetContext, IN PCWSTR DestinationPath)
PCWSTR	CabinetGetDestinationPath (IN PCABINET_CONTEXT CabinetContext)
ULONG	CabinetOpen (IN OUT PCABINET_CONTEXT CabinetContext)
VOID	CabinetClose (IN OUT PCABINET_CONTEXT CabinetContext)
ULONG	CabinetFindFirst (IN PCABINET_CONTEXT CabinetContext, IN PCWSTR FileName, IN OUT PCAB_SEARCH Search)
ULONG	CabinetFindNext (IN PCABINET_CONTEXT CabinetContext, IN OUT PCAB_SEARCH Search)
ULONG	CabinetFindNextFileSequential (IN PCABINET_CONTEXT CabinetContext, IN PCWSTR FileName, IN OUT PCAB_SEARCH Search)
ULONG	CabinetExtractFile (IN PCABINET_CONTEXT CabinetContext, IN PCAB_SEARCH Search)
VOID	CabinetSelectCodec (IN PCABINET_CONTEXT CabinetContext, IN ULONG Id)
VOID	CabinetSetEventHandlers (IN PCABINET_CONTEXT CabinetContext, IN PCABINET_OVERWRITE Overwrite, IN PCABINET_EXTRACT Extract, IN PCABINET_DISK_CHANGE DiskChange, IN PCABINET_CREATE_FILE CreateFile)
PVOID	CabinetGetCabinetReservedArea (IN PCABINET_CONTEXT CabinetContext, OUT PULONG Size)

Variables
static CAB_CODEC	RawCodec
static CAB_CODEC	MSZipCodec

Macro Definition Documentation

CAB_ATTRIB_ARCHIVE

#define CAB_ATTRIB_ARCHIVE   0x0020

Definition at line 68 of file cabinet.c.

CAB_ATTRIB_DIRECTORY

#define CAB_ATTRIB_DIRECTORY   0x0010

Definition at line 67 of file cabinet.c.

CAB_ATTRIB_EXECUTE

#define CAB_ATTRIB_EXECUTE   0x0040

Definition at line 69 of file cabinet.c.

CAB_ATTRIB_HIDDEN

#define CAB_ATTRIB_HIDDEN   0x0002

Definition at line 64 of file cabinet.c.

CAB_ATTRIB_READONLY

#define CAB_ATTRIB_READONLY   0x0001

Definition at line 63 of file cabinet.c.

CAB_ATTRIB_SYSTEM

#define CAB_ATTRIB_SYSTEM   0x0004

Definition at line 65 of file cabinet.c.

CAB_ATTRIB_UTF_NAME

#define CAB_ATTRIB_UTF_NAME   0x0080

Definition at line 70 of file cabinet.c.

CAB_ATTRIB_VOLUME

#define CAB_ATTRIB_VOLUME   0x0008

Definition at line 66 of file cabinet.c.

CAB_BLOCKSIZE

#define CAB_BLOCKSIZE   32768

Definition at line 51 of file cabinet.c.

CAB_COMP_LZX

#define CAB_COMP_LZX   0x0003

Definition at line 57 of file cabinet.c.

CAB_COMP_MASK

#define CAB_COMP_MASK   0x00FF

Definition at line 53 of file cabinet.c.

CAB_COMP_MSZIP

#define CAB_COMP_MSZIP   0x0001

Definition at line 55 of file cabinet.c.

CAB_COMP_NONE

#define CAB_COMP_NONE   0x0000

Definition at line 54 of file cabinet.c.

CAB_COMP_QUANTUM

#define CAB_COMP_QUANTUM   0x0002

Definition at line 56 of file cabinet.c.

CAB_FILE_CONTINUED

#define CAB_FILE_CONTINUED   0xFFFD

Definition at line 73 of file cabinet.c.

CAB_FILE_MAX_FOLDER

#define CAB_FILE_MAX_FOLDER   0xFFFC

Definition at line 72 of file cabinet.c.

CAB_FILE_PREV_NEXT

#define CAB_FILE_PREV_NEXT   0xFFFF

Definition at line 75 of file cabinet.c.

CAB_FILE_SPLIT

#define CAB_FILE_SPLIT   0xFFFE

Definition at line 74 of file cabinet.c.

CAB_FLAG_HASNEXT

#define CAB_FLAG_HASNEXT   0x0002

Definition at line 60 of file cabinet.c.

CAB_FLAG_HASPREV

#define CAB_FLAG_HASPREV   0x0001

Definition at line 59 of file cabinet.c.

CAB_FLAG_RESERVE

#define CAB_FLAG_RESERVE   0x0004

Definition at line 61 of file cabinet.c.

CAB_SIGNATURE

#define CAB_SIGNATURE   0x4643534D

Definition at line 49 of file cabinet.c.

CAB_VERSION

#define CAB_VERSION   0x0103

Definition at line 50 of file cabinet.c.

MSZIP_MAGIC

#define MSZIP_MAGIC   0x4B43

Definition at line 218 of file cabinet.c.

NDEBUG

#define NDEBUG

Definition at line 18 of file cabinet.c.

SEEK_BEGIN

#define SEEK_BEGIN   0

Definition at line 26 of file cabinet.c.

SEEK_CURRENT

#define SEEK_CURRENT   1

Definition at line 27 of file cabinet.c.

SEEK_END

#define SEEK_END   2

Definition at line 29 of file cabinet.c.

Z_SOLO

#define Z_SOLO

Definition at line 15 of file cabinet.c.

Typedef Documentation

CAB_CODEC

typedef struct _CAB_CODEC CAB_CODEC

CFDATA

typedef struct _CFDATA CFDATA

CFFILE

typedef struct _CFFILE CFFILE

CFFOLDER

typedef struct _CFFOLDER CFFOLDER

CFHEADER

typedef struct _CFHEADER CFHEADER

DOSDATE

typedef struct _DOSDATE DOSDATE

DOSTIME

typedef struct _DOSTIME DOSTIME

PCAB_CODEC

typedef struct _CAB_CODEC * PCAB_CODEC

PCABINET_CODEC_UNCOMPRESS

typedef ULONG(* PCABINET_CODEC_UNCOMPRESS) (IN struct _CAB_CODEC *Codec, OUT PVOID OutputBuffer, IN PVOID InputBuffer, IN OUT PLONG InputLength, IN OUT PLONG OutputLength)

Definition at line 168 of file cabinet.c.

PCFDATA

typedef struct _CFDATA * PCFDATA

PCFFILE

typedef struct _CFFILE * PCFFILE

PCFFOLDER

typedef struct _CFFOLDER * PCFFOLDER

PCFHEADER

typedef struct _CFHEADER * PCFHEADER

PDOSDATE

typedef struct _DOSDATE * PDOSDATE

PDOSTIME

typedef struct _DOSTIME * PDOSTIME

Function Documentation

CabinetCleanup()

VOID CabinetCleanup

(

IN OUT PCABINET_CONTEXT

CabinetContext

)

Definition at line 535 of file cabinet.c.

{
    CabinetClose(CabinetContext);
}

Referenced by PrepareFileCopy(), and SetupExtractFile().

CabinetClose()

VOID CabinetClose

(

IN OUT PCABINET_CONTEXT

CabinetContext

)

Definition at line 807 of file cabinet.c.

{
    if (!CabinetContext->FileOpen)
        return;
 
    CloseCabinet(CabinetContext);
    CabinetContext->FileOpen = FALSE;
}

Referenced by CabinetCleanup(), and SetConsoleOutputCP().

CabinetExtractFile()

ULONG CabinetExtractFile	(	IN PCABINET_CONTEXT	CabinetContext,
		IN PCAB_SEARCH	Search
	)

Definition at line 965 of file cabinet.c.

{
    ULONG Size;                 // remaining file bytes to decompress
    ULONG CurrentOffset;        // current uncompressed offset within the folder
    PUCHAR CurrentBuffer;       // current pointer to compressed data in the block
    LONG RemainingBlock;        // remaining comp data in the block
    HANDLE DestFile;
    HANDLE DestFileSection;
    PVOID DestFileBuffer;       // mapped view of dest file
    PVOID CurrentDestBuffer;    // pointer to the current position in the dest view
    PCFDATA CFData;             // current data block
    ULONG Status;
    FILETIME FileTime;
    WCHAR DestName[MAX_PATH];
    NTSTATUS NtStatus;
    UNICODE_STRING UnicodeString;
    ANSI_STRING AnsiString;
    IO_STATUS_BLOCK IoStatusBlock;
    OBJECT_ATTRIBUTES ObjectAttributes;
    FILE_BASIC_INFORMATION FileBasic;
    PCFFOLDER CurrentFolder;
    LARGE_INTEGER MaxDestFileSize;
    LONG InputLength, OutputLength;
    SIZE_T StringLength;
    char Chunk[512];
 
    if (wcscmp(Search->Cabinet, CabinetContext->CabinetName) != 0)
    {
        /* the file is not in the current cabinet */
        DPRINT("File is not in this cabinet (%S != %S)\n",
               Search->Cabinet, CabinetContext->CabinetName);
        return CAB_STATUS_NOFILE;
    }
 
    /* look up the folder that the file specifies */
    if (Search->File->FolderIndex == 0xFFFD ||
        Search->File->FolderIndex == 0xFFFF)
    {
        /* folder is continued from previous cabinet,
           that shouldn't happen here */
        return CAB_STATUS_NOFILE;
    }
    else if (Search->File->FolderIndex == 0xFFFE)
    {
        /* folder is the last in this cabinet and continues into next */
        CurrentFolder = &CabinetContext->CabinetFolders[CabinetContext->PCABHeader->FolderCount - 1];
    }
    else
    {
        /* folder is completely contained within this cabinet */
        CurrentFolder = &CabinetContext->CabinetFolders[Search->File->FolderIndex];
    }
 
    switch (CurrentFolder->CompressionType & CAB_COMP_MASK)
    {
        case CAB_COMP_NONE:
            CabinetSelectCodec(CabinetContext, CAB_CODEC_RAW);
            break;
        case CAB_COMP_MSZIP:
            CabinetSelectCodec(CabinetContext, CAB_CODEC_MSZIP);
            break;
        default:
            return CAB_STATUS_UNSUPPCOMP;
    }
 
    DPRINT("Extracting file at uncompressed offset (0x%X) Size (%d bytes)\n",
           (UINT)Search->File->FileOffset, (UINT)Search->File->FileSize);
 
    if (CabinetContext->CreateFileHandler)
    {
        /* Call create context */
        CurrentDestBuffer = CabinetContext->CreateFileHandler(CabinetContext, Search->File->FileSize);
        if (!CurrentDestBuffer)
        {
            DPRINT1("CreateFileHandler() failed\n");
            return CAB_STATUS_CANNOT_CREATE;
        }
    }
    else
    {
        RtlInitAnsiString(&AnsiString, Search->File->FileName);
        wcscpy(DestName, CabinetContext->DestPath);
        StringLength = wcslen(DestName);
        UnicodeString.MaximumLength = sizeof(DestName) - (USHORT)StringLength * sizeof(WCHAR);
        UnicodeString.Buffer = DestName + StringLength;
        UnicodeString.Length = 0;
        RtlAnsiStringToUnicodeString(&UnicodeString, &AnsiString, FALSE);
 
        /* Create destination file, fail if it already exists */
        RtlInitUnicodeString(&UnicodeString, DestName);
 
        InitializeObjectAttributes(&ObjectAttributes,
                                   &UnicodeString,
                                   OBJ_CASE_INSENSITIVE,
                                   NULL, NULL);
 
        NtStatus = NtCreateFile(&DestFile,
                                GENERIC_READ | GENERIC_WRITE | SYNCHRONIZE,
                                &ObjectAttributes,
                                &IoStatusBlock,
                                NULL,
                                FILE_ATTRIBUTE_NORMAL,
                                0,
                                FILE_CREATE,
                                FILE_SYNCHRONOUS_IO_NONALERT,
                                NULL, 0);
 
        if (!NT_SUCCESS(NtStatus))
        {
            DPRINT("NtCreateFile() failed (%S) (%x)\n", DestName, NtStatus);
 
            /* If file exists, ask to overwrite file */
            if (CabinetContext->OverwriteHandler == NULL ||
                CabinetContext->OverwriteHandler(CabinetContext, Search->File, DestName))
            {
                /* Create destination file, overwrite if it already exists */
                NtStatus = NtCreateFile(&DestFile,
                                        GENERIC_READ | GENERIC_WRITE | SYNCHRONIZE,
                                        &ObjectAttributes,
                                        &IoStatusBlock,
                                        NULL,
                                        FILE_ATTRIBUTE_NORMAL,
                                        0,
                                        FILE_OVERWRITE,
                                        FILE_SYNCHRONOUS_IO_ALERT,
                                        NULL, 0);
 
                if (!NT_SUCCESS(NtStatus))
                {
                    DPRINT1("NtCreateFile() failed (%S) (%x)\n", DestName, NtStatus);
                    return CAB_STATUS_CANNOT_CREATE;
                }
            }
            else
            {
                DPRINT1("File (%S) exists\n", DestName);
                return CAB_STATUS_FILE_EXISTS;
            }
        }
 
        if (!ConvertDosDateTimeToFileTime(Search->File->FileDate,
                                          Search->File->FileTime,
                                          &FileTime))
        {
            DPRINT1("DosDateTimeToFileTime() failed\n");
            Status = CAB_STATUS_CANNOT_WRITE;
            goto CloseDestFile;
        }
 
        NtStatus = NtQueryInformationFile(DestFile,
                                          &IoStatusBlock,
                                          &FileBasic,
                                          sizeof(FILE_BASIC_INFORMATION),
                                          FileBasicInformation);
        if (!NT_SUCCESS(NtStatus))
        {
            DPRINT("NtQueryInformationFile() failed (%x)\n", NtStatus);
        }
        else
        {
            memcpy(&FileBasic.LastAccessTime, &FileTime, sizeof(FILETIME));
 
            NtStatus = NtSetInformationFile(DestFile,
                                            &IoStatusBlock,
                                            &FileBasic,
                                            sizeof(FILE_BASIC_INFORMATION),
                                            FileBasicInformation);
            if (!NT_SUCCESS(NtStatus))
            {
                DPRINT("NtSetInformationFile() failed (%x)\n", NtStatus);
            }
        }
 
        SetAttributesOnFile(Search->File, DestFile);
 
        /* Nothing more to do for 0 sized files */
        if (Search->File->FileSize == 0)
        {
            Status = CAB_STATUS_SUCCESS;
            goto CloseDestFile;
        }
 
        MaxDestFileSize.QuadPart = Search->File->FileSize;
        NtStatus = NtCreateSection(&DestFileSection,
                                   SECTION_ALL_ACCESS,
                                   0,
                                   &MaxDestFileSize,
                                   PAGE_READWRITE,
                                   SEC_COMMIT,
                                   DestFile);
 
        if (!NT_SUCCESS(NtStatus))
        {
            DPRINT1("NtCreateSection failed for %ls: %x\n", DestName, NtStatus);
            Status = CAB_STATUS_NOMEMORY;
            goto CloseDestFile;
        }
 
        DestFileBuffer = 0;
        CabinetContext->DestFileSize = 0;
        NtStatus = NtMapViewOfSection(DestFileSection,
                                      NtCurrentProcess(),
                                      &DestFileBuffer,
                                      0, 0, 0,
                                      &CabinetContext->DestFileSize,
                                      ViewUnmap,
                                      0,
                                      PAGE_READWRITE);
 
        if (!NT_SUCCESS(NtStatus))
        {
            DPRINT1("NtMapViewOfSection failed: %x\n", NtStatus);
            Status = CAB_STATUS_NOMEMORY;
            goto CloseDestFileSection;
        }
 
        CurrentDestBuffer = DestFileBuffer;
    }
 
    /* Call extract event handler */
    if (CabinetContext->ExtractHandler != NULL)
        CabinetContext->ExtractHandler(CabinetContext, Search->File, DestName);
 
    if (Search->CFData)
        CFData = Search->CFData;
    else
        CFData = (PCFDATA)(CabinetContext->CabinetFolders[Search->File->FolderIndex].DataOffset + CabinetContext->FileBuffer);
 
    CurrentOffset = Search->Offset;
    while (CurrentOffset + CFData->UncompSize <= Search->File->FileOffset)
    {
        /* walk the data blocks until we reach
           the one containing the start of the file */
        CurrentOffset += CFData->UncompSize;
        CFData = (PCFDATA)((char *)(CFData + 1) + CabinetContext->DataReserved + CFData->CompSize);
    }
 
    Search->CFData = CFData;
    Search->Offset = CurrentOffset;
 
    /* now decompress and discard any data in
       the block before the start of the file */
 
    /* start of comp data */
    CurrentBuffer = ((unsigned char *)(CFData + 1)) + CabinetContext->DataReserved;
    RemainingBlock = CFData->CompSize;
    InputLength = RemainingBlock;
 
    while (CurrentOffset < Search->File->FileOffset)
    {
        /* compute remaining uncomp bytes to start
           of file, bounded by size of chunk */
        OutputLength = Search->File->FileOffset - CurrentOffset;
        if (OutputLength > (LONG)sizeof(Chunk))
            OutputLength = sizeof(Chunk);
 
        /* negate to signal NOT end of block */
        OutputLength = -OutputLength;
 
        CabinetContext->Codec->Uncompress(CabinetContext->Codec,
                                          Chunk,
                                          CurrentBuffer,
                                          &InputLength,
                                          &OutputLength);
 
        /* add the uncomp bytes extracted to current folder offset */
        CurrentOffset += OutputLength;
        /* add comp bytes consumed to CurrentBuffer */
        CurrentBuffer += InputLength;
        /* subtract bytes consumed from bytes remaining in block */
        RemainingBlock -= InputLength;
        /* neg for resume decompression of the same block */
        InputLength = -RemainingBlock;
    }
 
    /* now CurrentBuffer points to the first comp byte
       of the file, so we can begin decompressing */
 
    /* Size = remaining uncomp bytes of the file to decompress */
    Size = Search->File->FileSize;
    while (Size > 0)
    {
        OutputLength = Size;
        DPRINT("Decompressing block at %x with RemainingBlock = %d, Size = %d\n",
               CurrentBuffer, RemainingBlock, Size);
 
        Status = CabinetContext->Codec->Uncompress(CabinetContext->Codec,
                                                   CurrentDestBuffer,
                                                   CurrentBuffer,
                                                   &InputLength,
                                                   &OutputLength);
        if (Status != CS_SUCCESS)
        {
            DPRINT("Cannot uncompress block\n");
            if (Status == CS_NOMEMORY)
                Status = CAB_STATUS_NOMEMORY;
            else
                Status = CAB_STATUS_INVALID_CAB;
            goto UnmapDestFile;
        }
 
        /* advance dest buffer by bytes produced */
        CurrentDestBuffer = (PVOID)((ULONG_PTR)CurrentDestBuffer + OutputLength);
        /* advance src buffer by bytes consumed */
        CurrentBuffer += InputLength;
        /* reduce remaining file bytes by bytes produced */
        Size -= OutputLength;
        /* reduce remaining block size by bytes consumed */
        RemainingBlock -= InputLength;
        if (Size > 0 && RemainingBlock == 0)
        {
            /* used up this block, move on to the next */
            DPRINT("Out of block data\n");
            CFData = (PCFDATA)CurrentBuffer;
            RemainingBlock = CFData->CompSize;
            CurrentBuffer = (unsigned char *)(CFData + 1) + CabinetContext->DataReserved;
            InputLength = RemainingBlock;
        }
    }
 
    Status = CAB_STATUS_SUCCESS;
 
UnmapDestFile:
    if (!CabinetContext->CreateFileHandler)
        NtUnmapViewOfSection(NtCurrentProcess(), DestFileBuffer);
 
CloseDestFileSection:
    if (!CabinetContext->CreateFileHandler)
        NtClose(DestFileSection);
 
CloseDestFile:
    if (!CabinetContext->CreateFileHandler)
        NtClose(DestFile);
 
    return Status;
}

Referenced by SetConsoleOutputCP(), and SetupExtractFile().

CabinetFindFirst()

ULONG CabinetFindFirst	(	IN PCABINET_CONTEXT	CabinetContext,
		IN PCWSTR	FileName,
		IN OUT PCAB_SEARCH	Search
	)

Definition at line 826 of file cabinet.c.

{
    DPRINT("CabinetFindFirst(FileName = %S)\n", FileName);
    wcsncpy(Search->Search, FileName, MAX_PATH);
    wcsncpy(Search->Cabinet, CabinetContext->CabinetName, MAX_PATH);
    Search->File = 0;
    return CabinetFindNext(CabinetContext, Search);
}

Referenced by SetConsoleOutputCP(), and SetupExtractFile().

CabinetFindNext()

ULONG CabinetFindNext	(	IN PCABINET_CONTEXT	CabinetContext,
		IN OUT PCAB_SEARCH	Search
	)

Definition at line 846 of file cabinet.c.

{
    PCFFILE Prev;
    ANSI_STRING AnsiString;
    UNICODE_STRING UnicodeString;
    WCHAR FileName[MAX_PATH];
 
    if (wcscmp(Search->Cabinet, CabinetContext->CabinetName) != 0)
    {
        /* restart search of cabinet has changed since last find */
        Search->File = 0;
    }
 
    if (!Search->File)
    {
        /* starting new search or cabinet */
        Search->File = (PCFFILE)(CabinetContext->FileBuffer + CabinetContext->PCABHeader->FileTableOffset);
        Search->Index = 0;
        Prev = 0;
    }
    else
        Prev = Search->File;
 
    while (TRUE)
    {
        /* look at each file in the archive and see if we found a match */
        if (Search->File->FolderIndex == 0xFFFD ||
            Search->File->FolderIndex == 0xFFFF)
        {
            /* skip files continued from previous cab */
            DPRINT("Skipping file (%s): FileOffset (0x%X), "
                   "LastFileOffset (0x%X)\n", (char *)(Search->File + 1),
                   Search->File->FileOffset, CabinetContext->LastFileOffset);
        }
        else
        {
            // FIXME: check for match against search criteria
            if (Search->File != Prev)
            {
                if (Prev == NULL || Search->File->FolderIndex != Prev->FolderIndex)
                {
                    Search->CFData = NULL;
                    Search->Offset = 0;
                }
 
                /* don't match the file we started with */
                if (wcscmp(Search->Search, L"*") == 0)
                {
                    /* take any file */
                    break;
                }
                else
                {
                    /* otherwise, try to match the exact file name */
                    RtlInitAnsiString(&AnsiString, Search->File->FileName);
                    UnicodeString.Buffer = FileName;
                    UnicodeString.Buffer[0] = 0;
                    UnicodeString.Length = 0;
                    UnicodeString.MaximumLength = sizeof(FileName);
                    RtlAnsiStringToUnicodeString(&UnicodeString, &AnsiString, FALSE);
                    if (wcscmp(Search->Search, UnicodeString.Buffer) == 0)
                        break;
                }
            }
        }
 
        /* if we make it here we found no match, so move to the next file */
        Search->Index++;
        if (Search->Index >= CabinetContext->PCABHeader->FileCount)
        {
            /* we have reached the end of this cabinet */
            DPRINT("End of cabinet reached\n");
            return CAB_STATUS_NOFILE;
        }
        else
            Search->File = (PCFFILE)(strchr((char *)(Search->File + 1), 0) + 1);
    }
 
    DPRINT("Found file %s\n", Search->File->FileName);
    return CAB_STATUS_SUCCESS;
}

Referenced by CabinetFindFirst(), and CabinetFindNextFileSequential().

CabinetFindNextFileSequential()

ULONG CabinetFindNextFileSequential	(	IN PCABINET_CONTEXT	CabinetContext,
		IN PCWSTR	FileName,
		IN OUT PCAB_SEARCH	Search
	)

Definition at line 939 of file cabinet.c.

{
    DPRINT("CabinetFindNextFileSequential(FileName = %S)\n", FileName);
    wcsncpy(Search->Search, FileName, MAX_PATH);
    return CabinetFindNext(CabinetContext, Search);
}

Referenced by SetupExtractFile().

CabinetGetCabinetName()

PCWSTR CabinetGetCabinetName

(

IN PCABINET_CONTEXT

CabinetContext

)

Definition at line 574 of file cabinet.c.

{
    return CabinetContext->CabinetName;
}

Referenced by SetupExtractFile().

CabinetGetCabinetReservedArea()

PVOID CabinetGetCabinetReservedArea	(	IN PCABINET_CONTEXT	CabinetContext,
		OUT PULONG	Size
	)

Definition at line 1372 of file cabinet.c.

{
    if (CabinetContext->CabinetReservedArea != NULL)
    {
        if (Size != NULL)
        {
            *Size = CabinetContext->CabinetReserved;
        }
 
        return CabinetContext->CabinetReservedArea;
    }
    else
    {
        if (Size != NULL)
        {
            *Size = 0;
        }
 
        return NULL;
    }
}

Referenced by PrepareFileCopy().

CabinetGetDestinationPath()

PCWSTR CabinetGetDestinationPath

(

IN PCABINET_CONTEXT

CabinetContext

)

Definition at line 615 of file cabinet.c.

{
    return CabinetContext->DestPath;
}

CabinetInitialize()

VOID CabinetInitialize

(

IN OUT PCABINET_CONTEXT

CabinetContext

)

Definition at line 507 of file cabinet.c.

{
    RtlZeroMemory(CabinetContext, sizeof(*CabinetContext));
 
    CabinetContext->FileOpen = FALSE;
    wcscpy(CabinetContext->DestPath, L"");
 
    CabinetContext->CodecSelected = FALSE;
    CabinetSelectCodec(CabinetContext, CAB_CODEC_RAW);
 
    CabinetContext->OverwriteHandler = NULL;
    CabinetContext->ExtractHandler = NULL;
    CabinetContext->DiskChangeHandler = NULL;
 
    CabinetContext->FolderUncompSize = 0;
    CabinetContext->BytesLeftInBlock = 0;
    CabinetContext->CabinetReserved = 0;
    CabinetContext->FolderReserved = 0;
    CabinetContext->DataReserved = 0;
    CabinetContext->CabinetReservedArea = NULL;
    CabinetContext->LastFileOffset = 0;
}

Referenced by PrepareFileCopy(), SetConsoleOutputCP(), and SetupExtractFile().

CabinetNormalizePath()

static BOOL CabinetNormalizePath ( PWCHAR  Path, ULONG  Length  )

static

Definition at line 550 of file cabinet.c.

{
    ULONG n;
    BOOL Ok;
 
    n = wcslen(Path);
    Ok = (n + 1) < Length;
 
    if (n != 0 && Path[n - 1] != L'\\' && Ok)
    {
        Path[n] = L'\\';
        Path[n + 1] = 0;
    }
 
    return Ok;
}

Referenced by CabinetOpen(), and CabinetSetDestinationPath().

CabinetOpen()

ULONG CabinetOpen

(

IN OUT PCABINET_CONTEXT

CabinetContext

)

Definition at line 627 of file cabinet.c.

{
    PUCHAR Buffer;
    UNICODE_STRING ustring;
    ANSI_STRING astring;
 
    OBJECT_ATTRIBUTES ObjectAttributes;
    IO_STATUS_BLOCK IoStatusBlock;
    UNICODE_STRING FileName;
    USHORT StringLength;
    NTSTATUS NtStatus;
 
    if (CabinetContext->FileOpen)
    {
        /* Cabinet file already opened */
        DPRINT("CabinetOpen returning SUCCESS\n");
        return CAB_STATUS_SUCCESS;
    }
 
    RtlInitUnicodeString(&FileName, CabinetContext->CabinetName);
 
    InitializeObjectAttributes(&ObjectAttributes,
                               &FileName,
                               OBJ_CASE_INSENSITIVE,
                               NULL, NULL);
 
    NtStatus = NtOpenFile(&CabinetContext->FileHandle,
                          GENERIC_READ | SYNCHRONIZE,
                          &ObjectAttributes,
                          &IoStatusBlock,
                          FILE_SHARE_READ,
                          FILE_SYNCHRONOUS_IO_NONALERT);
 
    if (!NT_SUCCESS(NtStatus))
    {
        DPRINT1("Cannot open file (%S) (%x)\n", CabinetContext->CabinetName, NtStatus);
        return CAB_STATUS_CANNOT_OPEN;
    }
 
    CabinetContext->FileOpen = TRUE;
 
    NtStatus = NtCreateSection(&CabinetContext->FileSectionHandle,
                               SECTION_ALL_ACCESS,
                               0, 0,
                               PAGE_READONLY,
                               SEC_COMMIT,
                               CabinetContext->FileHandle);
 
    if (!NT_SUCCESS(NtStatus))
    {
        DPRINT1("NtCreateSection failed for %ls: %x\n", CabinetContext->CabinetName, NtStatus);
        return CAB_STATUS_NOMEMORY;
    }
 
    CabinetContext->FileBuffer = 0;
    CabinetContext->FileSize = 0;
 
    NtStatus = NtMapViewOfSection(CabinetContext->FileSectionHandle,
                                  NtCurrentProcess(),
                                  (PVOID*)&CabinetContext->FileBuffer,
                                  0, 0, 0,
                                  &CabinetContext->FileSize,
                                  ViewUnmap,
                                  0,
                                  PAGE_READONLY);
 
    if (!NT_SUCCESS(NtStatus))
    {
        DPRINT1("NtMapViewOfSection failed: %x\n", NtStatus);
        return CAB_STATUS_NOMEMORY;
    }
 
    DPRINT("Cabinet file %S opened and mapped to %x\n",
           CabinetContext->CabinetName, CabinetContext->FileBuffer);
    CabinetContext->PCABHeader = (PCFHEADER)CabinetContext->FileBuffer;
 
    /* Check header */
    if (CabinetContext->FileSize <= sizeof(CFHEADER) ||
        CabinetContext->PCABHeader->Signature != CAB_SIGNATURE ||
        CabinetContext->PCABHeader->Version != CAB_VERSION ||
        CabinetContext->PCABHeader->FolderCount == 0 ||
        CabinetContext->PCABHeader->FileCount == 0 ||
        CabinetContext->PCABHeader->FileTableOffset < sizeof(CFHEADER))
    {
        CloseCabinet(CabinetContext);
        DPRINT1("File has invalid header\n");
        return CAB_STATUS_INVALID_CAB;
    }
 
    Buffer = (PUCHAR)(CabinetContext->PCABHeader + 1);
 
    /* Read/skip any reserved bytes */
    if (CabinetContext->PCABHeader->Flags & CAB_FLAG_RESERVE)
    {
        CabinetContext->CabinetReserved = *(PUSHORT)Buffer;
        Buffer += 2;
        CabinetContext->FolderReserved = *Buffer;
        Buffer++;
        CabinetContext->DataReserved = *Buffer;
        Buffer++;
 
        if (CabinetContext->CabinetReserved > 0)
        {
            CabinetContext->CabinetReservedArea = Buffer;
            Buffer += CabinetContext->CabinetReserved;
        }
    }
 
    if (CabinetContext->PCABHeader->Flags & CAB_FLAG_HASPREV)
    {
        /* The previous cabinet file is in
           the same directory as the current */
        wcscpy(CabinetContext->CabinetPrev, CabinetContext->CabinetName);
        RemoveFileName(CabinetContext->CabinetPrev);
        CabinetNormalizePath(CabinetContext->CabinetPrev, sizeof(CabinetContext->CabinetPrev));
        RtlInitAnsiString(&astring, (LPSTR)Buffer);
 
        /* Initialize ustring with the remaining buffer */
        StringLength = (USHORT)wcslen(CabinetContext->CabinetPrev) * sizeof(WCHAR);
        ustring.Buffer = CabinetContext->CabinetPrev + StringLength;
        ustring.MaximumLength = sizeof(CabinetContext->CabinetPrev) - StringLength;
        ustring.Length = 0;
        RtlAnsiStringToUnicodeString(&ustring, &astring, FALSE);
        Buffer += astring.Length + 1;
 
        /* Read label of prev disk */
        RtlInitAnsiString(&astring, (LPSTR)Buffer);
        ustring.Length = 0;
        ustring.Buffer = CabinetContext->DiskPrev;
        ustring.MaximumLength = sizeof(CabinetContext->DiskPrev);
        RtlAnsiStringToUnicodeString(&ustring, &astring, FALSE);
        Buffer += astring.Length + 1;
    }
    else
    {
        wcscpy(CabinetContext->CabinetPrev, L"");
        wcscpy(CabinetContext->DiskPrev, L"");
    }
 
    if (CabinetContext->PCABHeader->Flags & CAB_FLAG_HASNEXT)
    {
        /* The next cabinet file is in
           the same directory as the previous */
        wcscpy(CabinetContext->CabinetNext, CabinetContext->CabinetName);
        RemoveFileName(CabinetContext->CabinetNext);
        CabinetNormalizePath(CabinetContext->CabinetNext, 256);
        RtlInitAnsiString(&astring, (LPSTR)Buffer);
 
        /* Initialize ustring with the remaining buffer */
        StringLength = (USHORT)wcslen(CabinetContext->CabinetNext) * sizeof(WCHAR);
        ustring.Buffer = CabinetContext->CabinetNext + StringLength;
        ustring.MaximumLength = sizeof(CabinetContext->CabinetNext) - StringLength;
        ustring.Length = 0;
        RtlAnsiStringToUnicodeString(&ustring, &astring, FALSE);
        Buffer += astring.Length + 1;
 
        /* Read label of next disk */
        RtlInitAnsiString(&astring, (LPSTR)Buffer);
        ustring.Length = 0;
        ustring.Buffer = CabinetContext->DiskNext;
        ustring.MaximumLength = sizeof(CabinetContext->DiskNext);
        RtlAnsiStringToUnicodeString(&ustring, &astring, FALSE);
        Buffer += astring.Length + 1;
    }
    else
    {
        wcscpy(CabinetContext->CabinetNext, L"");
        wcscpy(CabinetContext->DiskNext, L"");
    }
    CabinetContext->CabinetFolders = (PCFFOLDER)Buffer;
 
    DPRINT("CabinetOpen returning SUCCESS\n");
    return CAB_STATUS_SUCCESS;
}

Referenced by PrepareFileCopy(), SetConsoleOutputCP(), and SetupExtractFile().

CabinetSelectCodec()

VOID CabinetSelectCodec	(	IN PCABINET_CONTEXT	CabinetContext,
		IN ULONG	Id
	)

Definition at line 1310 of file cabinet.c.

{
    if (CabinetContext->CodecSelected)
    {
        if (Id == CabinetContext->CodecId)
            return;
 
        CabinetContext->CodecSelected = FALSE;
    }
 
    switch (Id)
    {
        case CAB_CODEC_RAW:
        {
            CabinetContext->Codec = &RawCodec;
            break;
        }
 
        case CAB_CODEC_MSZIP:
        {
            CabinetContext->Codec = &MSZipCodec;
            CabinetContext->Codec->ZStream.zalloc = MSZipAlloc;
            CabinetContext->Codec->ZStream.zfree = MSZipFree;
            CabinetContext->Codec->ZStream.opaque = (voidpf)0;
            break;
        }
 
        default:
            return;
    }
 
    CabinetContext->CodecId = Id;
    CabinetContext->CodecSelected = TRUE;
}

Referenced by CabinetExtractFile(), and CabinetInitialize().

CabinetSetCabinetName()

VOID CabinetSetCabinetName	(	IN PCABINET_CONTEXT	CabinetContext,
		IN PCWSTR	FileName
	)

Definition at line 586 of file cabinet.c.

{
    wcscpy(CabinetContext->CabinetName, FileName);
}

Referenced by PrepareFileCopy(), SetConsoleOutputCP(), and SetupExtractFile().

CabinetSetDestinationPath()

VOID CabinetSetDestinationPath	(	IN PCABINET_CONTEXT	CabinetContext,
		IN PCWSTR	DestinationPath
	)

Definition at line 599 of file cabinet.c.

{
    wcscpy(CabinetContext->DestPath, DestinationPath);
 
    if (wcslen(CabinetContext->DestPath) > 0)
        CabinetNormalizePath(CabinetContext->DestPath, MAX_PATH);
}

Referenced by SetupExtractFile().

CabinetSetEventHandlers()

VOID CabinetSetEventHandlers	(	IN PCABINET_CONTEXT	CabinetContext,
		IN PCABINET_OVERWRITE	Overwrite,
		IN PCABINET_EXTRACT	Extract,
		IN PCABINET_DISK_CHANGE	DiskChange,
		IN PCABINET_CREATE_FILE	CreateFile
	)

Definition at line 1355 of file cabinet.c.

{
    CabinetContext->OverwriteHandler = Overwrite;
    CabinetContext->ExtractHandler = Extract;
    CabinetContext->DiskChangeHandler = DiskChange;
    CabinetContext->CreateFileHandler = CreateFile;
}

Referenced by PrepareFileCopy(), SetConsoleOutputCP(), and SetupExtractFile().

calloc()

void *__cdecl calloc	(	size_t	nmemb,
		size_t	size
	)

Definition at line 157 of file cabinet.c.

{
    return (void *)RtlAllocateHeap(ProcessHeap, HEAP_ZERO_MEMORY, nmemb * size);
}

CloseCabinet()

static ULONG CloseCabinet ( IN PCABINET_CONTEXT  CabinetContext )

static

Definition at line 489 of file cabinet.c.

{
    if (CabinetContext->FileBuffer)
    {
        NtUnmapViewOfSection(NtCurrentProcess(), CabinetContext->FileBuffer);
        NtClose(CabinetContext->FileSectionHandle);
        NtClose(CabinetContext->FileHandle);
        CabinetContext->FileBuffer = NULL;
    }
 
    return 0;
}

Referenced by CabinetClose(), and CabinetOpen().

ConvertDosDateTimeToFileTime()

static BOOL ConvertDosDateTimeToFileTime ( WORD  wFatDate, WORD  wFatTime, LPFILETIME  lpFileTime  )

static

Definition at line 354 of file cabinet.c.

{
    PDOSTIME pdtime = (PDOSTIME)&wFatTime;
    PDOSDATE pddate = (PDOSDATE)&wFatDate;
    SYSTEMTIME SystemTime;
 
    if (lpFileTime == NULL)
        return FALSE;
 
    SystemTime.wMilliseconds = 0;
    SystemTime.wSecond = pdtime->Second;
    SystemTime.wMinute = pdtime->Minute;
    SystemTime.wHour = pdtime->Hour;
 
    SystemTime.wDay = pddate->Day;
    SystemTime.wMonth = pddate->Month;
    SystemTime.wYear = 1980 + pddate->Year;
 
    ConvertSystemTimeToFileTime(&SystemTime, lpFileTime);
 
    return TRUE;
}

Referenced by CabinetExtractFile().

ConvertSystemTimeToFileTime()

static BOOL ConvertSystemTimeToFileTime ( CONST SYSTEMTIME *  lpSystemTime, LPFILETIME  lpFileTime  )

static

Definition at line 329 of file cabinet.c.

{
    TIME_FIELDS TimeFields;
    LARGE_INTEGER liTime;
 
    TimeFields.Year = lpSystemTime->wYear;
    TimeFields.Month = lpSystemTime->wMonth;
    TimeFields.Day = lpSystemTime->wDay;
    TimeFields.Hour = lpSystemTime->wHour;
    TimeFields.Minute = lpSystemTime->wMinute;
    TimeFields.Second = lpSystemTime->wSecond;
    TimeFields.Milliseconds = lpSystemTime->wMilliseconds;
 
    if (RtlTimeFieldsToTime(&TimeFields, &liTime))
    {
        lpFileTime->dwLowDateTime = liTime.u.LowPart;
        lpFileTime->dwHighDateTime = liTime.u.HighPart;
        return TRUE;
    }
 
    return FALSE;
}

Referenced by ConvertDosDateTimeToFileTime().

free()

void __cdecl free

(

void *

ptr

)

Definition at line 151 of file cabinet.c.

{
    RtlFreeHeap(ProcessHeap, 0, ptr);
}

GetFileName()

static PWCHAR GetFileName ( PWCHAR  Path )

static

Definition at line 387 of file cabinet.c.

{
    ULONG i, j;
 
    j = i = 0;
 
    while (Path[i++])
    {
        if (Path[i - 1] == L'\\')
            j = i;
    }
 
    return Path + j;
}

Referenced by DECLARE_INTERFACE_(), and RemoveFileName().

malloc()

void *__cdecl malloc

(

size_t

size

)

Definition at line 145 of file cabinet.c.

{
    return RtlAllocateHeap(ProcessHeap, HEAP_ZERO_MEMORY, size);
}

MSZipAlloc()

voidpf MSZipAlloc	(	voidpf	opaque,
		uInt	items,
		uInt	size
	)

Definition at line 317 of file cabinet.c.

{
    return (voidpf)RtlAllocateHeap(ProcessHeap, 0, items * size);
}

Referenced by CabinetSelectCodec(), and CMSZipCodec::CMSZipCodec().

MSZipCodecUncompress()

ULONG MSZipCodecUncompress	(	IN OUT PCAB_CODEC	Codec,
		OUT PVOID	OutputBuffer,
		IN PVOID	InputBuffer,
		IN OUT PLONG	InputLength,
		IN OUT PLONG	OutputLength
	)

Definition at line 231 of file cabinet.c.

{
    USHORT Magic;
    INT Status;
 
    DPRINT("MSZipCodecUncompress(OutputBuffer = %x, InputBuffer = %x, "
           "InputLength = %d, OutputLength = %d)\n", OutputBuffer,
           InputBuffer, *InputLength, *OutputLength);
 
    if (*InputLength > 0)
    {
        Magic = *(PUSHORT)InputBuffer;
 
        if (Magic != MSZIP_MAGIC)
        {
            DPRINT("Bad MSZIP block header magic (0x%X)\n", Magic);
            return CS_BADSTREAM;
        }
 
        Codec->ZStream.next_in = (PUCHAR)InputBuffer + 2;
        Codec->ZStream.avail_in = *InputLength - 2;
        Codec->ZStream.next_out = (PUCHAR)OutputBuffer;
        Codec->ZStream.avail_out = abs(*OutputLength);
 
        /* WindowBits is passed < 0 to tell that there is no zlib header.
         * Note that in this case inflate *requires* an extra "dummy" byte
         * after the compressed stream in order to complete decompression and
         * return Z_STREAM_END.
         */
        Status = inflateInit2(&Codec->ZStream, -MAX_WBITS);
        if (Status != Z_OK)
        {
            DPRINT("inflateInit2() returned (%d)\n", Status);
            return CS_BADSTREAM;
        }
        Codec->ZStream.total_in = 2;
    }
    else
    {
        Codec->ZStream.avail_in = -*InputLength;
        Codec->ZStream.next_in = (PUCHAR)InputBuffer;
        Codec->ZStream.next_out = (PUCHAR)OutputBuffer;
        Codec->ZStream.avail_out = abs(*OutputLength);
        Codec->ZStream.total_in = 0;
    }
 
    Codec->ZStream.total_out = 0;
    Status = inflate(&Codec->ZStream, Z_SYNC_FLUSH);
    if (Status != Z_OK && Status != Z_STREAM_END)
    {
        DPRINT("inflate() returned (%d) (%s)\n", Status, Codec->ZStream.msg);
        if (Status == Z_MEM_ERROR)
            return CS_NOMEMORY;
        return CS_BADSTREAM;
    }
 
    if (*OutputLength > 0)
    {
        Status = inflateEnd(&Codec->ZStream);
        if (Status != Z_OK)
        {
            DPRINT("inflateEnd() returned (%d)\n", Status);
            return CS_BADSTREAM;
        }
    }
 
    *InputLength = Codec->ZStream.total_in;
    *OutputLength = Codec->ZStream.total_out;
 
    return CS_SUCCESS;
}

MSZipFree()

void MSZipFree	(	voidpf	opaque,
		voidpf	address
	)

Definition at line 323 of file cabinet.c.

{
    RtlFreeHeap(ProcessHeap, 0, address);
}

Referenced by CabinetSelectCodec(), and CMSZipCodec::CMSZipCodec().

RawCodecUncompress()

ULONG RawCodecUncompress	(	IN OUT PCAB_CODEC	Codec,
		OUT PVOID	OutputBuffer,
		IN PVOID	InputBuffer,
		IN OUT PLONG	InputLength,
		IN OUT PLONG	OutputLength
	)

Definition at line 196 of file cabinet.c.

{
    LONG Len = min(abs(*InputLength), abs(*OutputLength));
 
    memcpy(OutputBuffer, InputBuffer, Len);
    *InputLength = *OutputLength = Len;
 
    return CS_SUCCESS;
}

RemoveFileName()

static VOID RemoveFileName ( PWCHAR  Path )

static

Definition at line 408 of file cabinet.c.

{
    PWCHAR FileName;
    DWORD i;
 
    i = 0;
    FileName = GetFileName(Path + i);
 
    if (FileName != Path + i && FileName[-1] == L'\\')
        FileName--;
 
    if (FileName == Path + i && FileName[0] == L'\\')
        FileName++;
 
    FileName[0] = 0;
}

Referenced by CabinetOpen().

SetAttributesOnFile()

static BOOL SetAttributesOnFile ( PCFFILE  File, HANDLE  hFile  )

static

Definition at line 433 of file cabinet.c.

{
    FILE_BASIC_INFORMATION FileBasic;
    IO_STATUS_BLOCK IoStatusBlock;
    NTSTATUS NtStatus;
    ULONG Attributes = 0;
 
    if (File->Attributes & CAB_ATTRIB_READONLY)
        Attributes |= FILE_ATTRIBUTE_READONLY;
 
    if (File->Attributes & CAB_ATTRIB_HIDDEN)
        Attributes |= FILE_ATTRIBUTE_HIDDEN;
 
    if (File->Attributes & CAB_ATTRIB_SYSTEM)
        Attributes |= FILE_ATTRIBUTE_SYSTEM;
 
    if (File->Attributes & CAB_ATTRIB_DIRECTORY)
        Attributes |= FILE_ATTRIBUTE_DIRECTORY;
 
    if (File->Attributes & CAB_ATTRIB_ARCHIVE)
        Attributes |= FILE_ATTRIBUTE_ARCHIVE;
 
    NtStatus = NtQueryInformationFile(hFile,
                                      &IoStatusBlock,
                                      &FileBasic,
                                      sizeof(FILE_BASIC_INFORMATION),
                                      FileBasicInformation);
    if (!NT_SUCCESS(NtStatus))
    {
        DPRINT("NtQueryInformationFile() failed (%x)\n", NtStatus);
    }
    else
    {
        FileBasic.FileAttributes = Attributes;
 
        NtStatus = NtSetInformationFile(hFile,
                                        &IoStatusBlock,
                                        &FileBasic,
                                        sizeof(FILE_BASIC_INFORMATION),
                                        FileBasicInformation);
        if (!NT_SUCCESS(NtStatus))
        {
            DPRINT("NtSetInformationFile() failed (%x)\n", NtStatus);
        }
    }
 
    return NT_SUCCESS(NtStatus);
}

Referenced by CabinetExtractFile().

Variable Documentation

MSZipCodec

CAB_CODEC MSZipCodec

static

Initial value:

=
{
    MSZipCodecUncompress, {0}
}

Definition at line 308 of file cabinet.c.

Referenced by CabinetSelectCodec().

RawCodec

CAB_CODEC RawCodec

static

Initial value:

=
{
    RawCodecUncompress, {0}
}

Definition at line 211 of file cabinet.c.

Referenced by CabinetSelectCodec().