- implement FDI{Create,Destroy,IsCabinet}
- fix a typo - duplicate a bug - some blathering about code duplication - change fdi.c indentation to be consistent with cabextract.c
This commit is contained in:
Gregory M. Turner
Alexandre Julliard
parent
eee3a24dc9
commit
6f27b3bc06
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@ -21,6 +21,8 @@
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#define __WINE_CABINET_H
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#include "winnt.h"
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#include "fdi.h"
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#include "fci.h"
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#define CAB_SPLITMAX (10)
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@ -285,6 +287,50 @@ typedef struct cds_forward {
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} methods;
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} cab_decomp_state;
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/* _Int as in "Internal" fyi */
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typedef struct {
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unsigned int FCI_Intmagic;
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} FCI_Int, *PFCI_Int;
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typedef struct {
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unsigned int FDI_Intmagic;
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PFNALLOC pfnalloc;
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PFNFREE pfnfree;
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PFNOPEN pfnopen;
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PFNREAD pfnread;
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PFNWRITE pfnwrite;
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PFNCLOSE pfnclose;
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PFNSEEK pfnseek;
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PERF perf;
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} FDI_Int, *PFDI_Int;
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/* cast an HFCI into a PFCI_Int */
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#define PFCI_INT(hfci) ((PFDI_Int)(hfci))
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/* cast an HFDI into a PFDI_Int */
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#define PFDI_INT(hfdi) ((PFDI_Int)(hfdi))
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/* quickie pfdi method invokers */
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#define PFDI_ALLOC(hfdi, size) ((*PFDI_INT(hfdi)->pfnalloc) (size))
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#define PFDI_FREE(hfdi, ptr) ((*PFDI_INT(hfdi)->pfnfree) (ptr))
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#define PFDI_OPEN(hfdi, file, flag, mode) ((*PFDI_INT(hfdi)->pfnopen) (file, flag, mode))
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#define PFDI_READ(hfdi, hf, pv, cb) ((*PFDI_INT(hfdi)->pfnread) (hf, pv, cb))
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#define PFDI_WRITE(hfdi, hf, pv, cb) ((*PFDI_INT(hfdi)->pfnwrite) (hf, pv, cb))
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#define PFDI_CLOSE(hfdi, hf) ((*PFDI_INT(hfdi)->pfnclose) (hf))
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#define PFDI_SEEK(hfdi, hf, dist, type) ((*PFDI_INT(hfdi)->pfnseek) (hf, dist, type))
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#define FCI_INT_MAGIC 0xfcfcfc05
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#define FDI_INT_MAGIC 0xfdfdfd05
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#define REALLY_IS_FCI(hfci) ( \
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(((void *) hfci) != NULL) && \
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(PFCI_INT(hfci)->FCI_Intmagic == FCI_INT_MAGIC) )
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#define REALLY_IS_FDI(hfdi) ( \
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(((void *) hfdi) != NULL) && \
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(PFDI_INT(hfdi)->FDI_Intmagic == FDI_INT_MAGIC) )
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/* from cabextract.c */
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BOOL process_cabinet(LPCSTR cabname, LPCSTR dir, BOOL fix, BOOL lower);
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@ -1,7 +1,9 @@
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/*
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* File Decompression Interface
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*
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* Copyright 2000-2002 Stuart Caie
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* Copyright 2002 Patrik Stridvall
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* Copyright 2003 Greg Turner
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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@ -16,14 +18,25 @@
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*
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* This is (or will be) a largely redundant reimplementation of the stuff in
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* cabextract.c... it would theoretically be preferable to have only one, shared
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* implementation, however there are semantic differences which may discourage efforts
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* to unify the two. It should be possible, if awkward, to go back and reimplement
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* cabextract.c using FDI (once the FDI implementation is complete, of course).
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* -gmt
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*/
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#include "config.h"
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#include <stdio.h>
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#include "windef.h"
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#include "winbase.h"
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#include "winerror.h"
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#include "fdi.h"
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#include "cabinet.h"
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#include "wine/debug.h"
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@ -43,19 +56,291 @@ HFDI __cdecl FDICreate(
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int cpuType,
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PERF perf)
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{
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FIXME("(pfnalloc == ^%p, pfnfree == ^%p, pfnopen == ^%p, pfnread == ^%p, pfnwrite == ^%p, \
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pfnclose == ^%p, pfnseek == ^%p, cpuType == %d, perf == ^%p): stub\n",
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HFDI rv;
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TRACE("(pfnalloc == ^%p, pfnfree == ^%p, pfnopen == ^%p, pfnread == ^%p, pfnwrite == ^%p, \
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pfnclose == ^%p, pfnseek == ^%p, cpuType == %d, perf == ^%p)\n",
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pfnalloc, pfnfree, pfnopen, pfnread, pfnwrite, pfnclose, pfnseek,
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cpuType, perf);
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/* PONDERME: Certainly, we cannot tolerate a missing pfnalloc, as we call it just below.
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pfnfree is tested as well, for symmetry. As for the rest, should we test these
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too? In a vacuum, I would say yes... but does Windows care? If not, then, I guess,
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neither can we.... */
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if ((!pfnalloc) || (!pfnfree)) {
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perf->erfOper = FDIERROR_NONE;
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perf->erfType = 0;
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perf->erfType = ERROR_BAD_ARGUMENTS;
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perf->fError = TRUE;
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SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
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SetLastError(ERROR_BAD_ARGUMENTS);
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return NULL;
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}
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if (!((rv = ((HFDI) (*pfnalloc)(sizeof(FDI_Int)))))) {
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perf->erfOper = FDIERROR_ALLOC_FAIL;
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perf->erfType = ERROR_NOT_ENOUGH_MEMORY;
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perf->fError = TRUE;
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SetLastError(ERROR_NOT_ENOUGH_MEMORY);
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return NULL;
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}
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PFDI_INT(rv)->FDI_Intmagic = FDI_INT_MAGIC;
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PFDI_INT(rv)->pfnalloc = pfnalloc;
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PFDI_INT(rv)->pfnfree = pfnfree;
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PFDI_INT(rv)->pfnopen = pfnopen;
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PFDI_INT(rv)->pfnread = pfnread;
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PFDI_INT(rv)->pfnwrite = pfnwrite;
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PFDI_INT(rv)->pfnclose = pfnclose;
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PFDI_INT(rv)->pfnseek = pfnseek;
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/* no-brainer: we ignore the cpu type; this is only used
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for the 16-bit versions in Windows anyhow... */
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PFDI_INT(rv)->perf = perf;
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return rv;
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}
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/*******************************************************************
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* FDI_getoffset (internal)
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*
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* returns the file pointer position of a cab
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*/
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long FDI_getoffset(HFDI hfdi, INT_PTR hf)
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{
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return PFDI_SEEK(hfdi, hf, 0L, SEEK_CUR);
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}
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/**********************************************************************
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* FDI_realloc (internal)
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*
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* we can't use _msize; the user might not be using malloc, so we require
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* an explicit specification of the previous size. utterly inefficient.
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*/
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void *FDI_realloc(HFDI hfdi, void *mem, size_t prevsize, size_t newsize)
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{
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void *rslt = NULL;
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char *irslt, *imem;
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size_t copysize = (prevsize < newsize) ? prevsize : newsize;
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if (prevsize == newsize) return mem;
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rslt = PFDI_ALLOC(hfdi, newsize);
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if (rslt)
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for (irslt = (char *)rslt, imem = (char *)mem; (copysize); copysize--)
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*irslt++ = *imem++;
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PFDI_FREE(hfdi, mem);
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return rslt;
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}
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/**********************************************************************
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* FDI_read_string (internal)
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*
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* allocate and read an aribitrarily long string from the cabinet
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*/
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char *FDI_read_string(HFDI hfdi, INT_PTR hf, long cabsize)
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{
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size_t len=256,
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oldlen = 0,
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base = FDI_getoffset(hfdi, hf),
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maxlen = cabsize - base;
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BOOL ok = FALSE;
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int i;
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cab_UBYTE *buf = NULL;
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TRACE("(hfdi == ^%p, hf == %d)\n", hfdi, hf);
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do {
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if (len > maxlen) len = maxlen;
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if (!(buf = FDI_realloc(hfdi, buf, oldlen, len))) break;
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oldlen = len;
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if (!PFDI_READ(hfdi, hf, buf, len)) break;
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/* search for a null terminator in what we've just read */
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for (i=0; i < len; i++) {
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if (!buf[i]) {ok=TRUE; break;}
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}
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if (!ok) {
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if (len == maxlen) {
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ERR("WARNING: cabinet is truncated\n");
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break;
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}
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len += 256;
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PFDI_SEEK(hfdi, hf, base, SEEK_SET);
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}
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} while (!ok);
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if (!ok) {
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if (buf)
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PFDI_FREE(hfdi, buf);
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else
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ERR("out of memory!\n");
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return NULL;
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}
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/* otherwise, set the stream to just after the string and return */
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PFDI_SEEK(hfdi, hf, base + ((cab_off_t) strlen((char *) buf)) + 1, SEEK_SET);
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return (char *) buf;
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}
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/******************************************************************
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* FDI_read_entries (internal)
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*
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* process the cabinet header in the style of FDIIsCabinet, but
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* without the sanity checks (and bug)
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*/
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BOOL FDI_read_entries(
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HFDI hfdi,
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INT_PTR hf,
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PFDICABINETINFO pfdici)
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{
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int num_folders, num_files, header_resv, folder_resv = 0;
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LONG base_offset, cabsize;
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USHORT setid, cabidx, flags;
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cab_UBYTE buf[64], block_resv;
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char *prevname, *previnfo, *nextname, *nextinfo;
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TRACE("(hfdi == ^%p, hf == %d, pfdici == ^%p)\n", hfdi, hf, pfdici);
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/* get basic offset & size info */
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base_offset = FDI_getoffset(hfdi, hf);
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if (PFDI_SEEK(hfdi, hf, 0, SEEK_END) == -1) {
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PFDI_INT(hfdi)->perf->erfOper = FDIERROR_NOT_A_CABINET;
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PFDI_INT(hfdi)->perf->erfType = 0;
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PFDI_INT(hfdi)->perf->fError = TRUE;
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return FALSE;
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}
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cabsize = FDI_getoffset(hfdi, hf);
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if ((cabsize == -1) || (base_offset == -1) ||
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( PFDI_SEEK(hfdi, hf, base_offset, SEEK_SET) == -1 )) {
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PFDI_INT(hfdi)->perf->erfOper = FDIERROR_NOT_A_CABINET;
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PFDI_INT(hfdi)->perf->erfType = 0;
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PFDI_INT(hfdi)->perf->fError = TRUE;
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return FALSE;
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}
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/* read in the CFHEADER */
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if (!PFDI_READ(hfdi, hf, buf, cfhead_SIZEOF)) {
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PFDI_INT(hfdi)->perf->erfOper = FDIERROR_NOT_A_CABINET;
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PFDI_INT(hfdi)->perf->erfType = 0;
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PFDI_INT(hfdi)->perf->fError = TRUE;
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return FALSE;
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}
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/* check basic MSCF signature */
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if (EndGetI32(buf+cfhead_Signature) != 0x4643534d) {
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PFDI_INT(hfdi)->perf->erfOper = FDIERROR_NOT_A_CABINET;
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PFDI_INT(hfdi)->perf->erfType = 0;
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PFDI_INT(hfdi)->perf->fError = TRUE;
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return FALSE;
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}
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/* get the number of folders */
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num_folders = EndGetI16(buf+cfhead_NumFolders);
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if (num_folders == 0) {
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/* PONDERME: is this really invalid? */
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WARN("wierd cabinet detect failure: no folders in cabinet\n");
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PFDI_INT(hfdi)->perf->erfOper = FDIERROR_NOT_A_CABINET;
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PFDI_INT(hfdi)->perf->erfType = 0;
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PFDI_INT(hfdi)->perf->fError = TRUE;
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return FALSE;
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}
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/* get the number of files */
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num_files = EndGetI16(buf+cfhead_NumFiles);
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if (num_files == 0) {
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/* PONDERME: is this really invalid? */
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WARN("wierd cabinet detect failure: no files in cabinet\n");
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PFDI_INT(hfdi)->perf->erfOper = FDIERROR_NOT_A_CABINET;
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PFDI_INT(hfdi)->perf->erfType = 0;
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PFDI_INT(hfdi)->perf->fError = TRUE;
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return FALSE;
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}
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/* setid */
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setid = EndGetI16(buf+cfhead_SetID);
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/* cabinet (set) index */
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cabidx = EndGetI16(buf+cfhead_CabinetIndex);
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/* check the header revision */
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if ((buf[cfhead_MajorVersion] > 1) ||
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(buf[cfhead_MajorVersion] == 1 && buf[cfhead_MinorVersion] > 3))
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{
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WARN("cabinet format version > 1.3\n");
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PFDI_INT(hfdi)->perf->erfOper = FDIERROR_UNKNOWN_CABINET_VERSION;
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PFDI_INT(hfdi)->perf->erfType = 0; /* ? */
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PFDI_INT(hfdi)->perf->fError = TRUE;
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return FALSE;
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}
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/* pull the flags out */
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flags = EndGetI16(buf+cfhead_Flags);
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/* read the reserved-sizes part of header, if present */
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if (flags & cfheadRESERVE_PRESENT) {
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if (!PFDI_READ(hfdi, hf, buf, cfheadext_SIZEOF)) {
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WARN("bunk reserve-sizes?\n");
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PFDI_INT(hfdi)->perf->erfOper = FDIERROR_CORRUPT_CABINET;
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PFDI_INT(hfdi)->perf->erfType = 0; /* ? */
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PFDI_INT(hfdi)->perf->fError = TRUE;
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return FALSE;
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}
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header_resv = EndGetI16(buf+cfheadext_HeaderReserved);
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folder_resv = buf[cfheadext_FolderReserved];
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block_resv = buf[cfheadext_DataReserved];
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if (header_resv > 60000) {
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WARN("WARNING; header reserved space > 60000\n");
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}
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/* skip the reserved header */
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if ((header_resv) && (PFDI_SEEK(hfdi, hf, header_resv, SEEK_CUR) == -1L)) {
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ERR("seek failure: header_resv\n");
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PFDI_INT(hfdi)->perf->erfOper = FDIERROR_CORRUPT_CABINET;
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PFDI_INT(hfdi)->perf->erfType = 0; /* ? */
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PFDI_INT(hfdi)->perf->fError = TRUE;
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return FALSE;
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}
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}
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if (flags & cfheadPREV_CABINET) {
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prevname = FDI_read_string(hfdi, hf, cabsize);
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if (!prevname) {
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PFDI_INT(hfdi)->perf->erfOper = FDIERROR_CORRUPT_CABINET;
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PFDI_INT(hfdi)->perf->erfType = 0; /* ? */
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PFDI_INT(hfdi)->perf->fError = TRUE;
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return FALSE;
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}
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previnfo = FDI_read_string(hfdi, hf, cabsize);
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}
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if (flags & cfheadNEXT_CABINET) {
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nextname = FDI_read_string(hfdi, hf, cabsize);
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if (!nextname) {
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PFDI_INT(hfdi)->perf->erfOper = FDIERROR_CORRUPT_CABINET;
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PFDI_INT(hfdi)->perf->erfType = 0; /* ? */
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PFDI_INT(hfdi)->perf->fError = TRUE;
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return FALSE;
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}
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nextinfo = FDI_read_string(hfdi, hf, cabsize);
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}
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/* we could process the whole cabinet searching for problems;
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instead lets stop here. Now let's fill out the paperwork */
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pfdici->cbCabinet = cabsize;
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pfdici->cFolders = num_folders;
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pfdici->cFiles = num_files;
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pfdici->setID = setid;
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pfdici->iCabinet = cabidx;
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pfdici->fReserve = (flags & cfheadRESERVE_PRESENT) ? TRUE : FALSE;
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pfdici->hasprev = (flags & cfheadPREV_CABINET) ? TRUE : FALSE;
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pfdici->hasnext = (flags & cfheadNEXT_CABINET) ? TRUE : FALSE;
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return TRUE;
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}
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/***********************************************************************
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* FDIIsCabinet (CABINET.21)
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@ -65,12 +350,41 @@ BOOL __cdecl FDIIsCabinet(
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INT_PTR hf,
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PFDICABINETINFO pfdici)
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{
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FIXME("(hfdi == ^%p, hf == ^%d, pfdici == ^%p): stub\n", hfdi, hf, pfdici);
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BOOL rv;
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SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
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TRACE("(hfdi == ^%p, hf == ^%d, pfdici == ^%p)\n", hfdi, hf, pfdici);
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if (!REALLY_IS_FDI(hfdi)) {
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ERR("REALLY_IS_FDI failed on ^%p\n", hfdi);
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SetLastError(ERROR_INVALID_HANDLE);
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return FALSE;
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}
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if (!hf) {
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ERR("(!hf)!\n");
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PFDI_INT(hfdi)->perf->erfOper = FDIERROR_CABINET_NOT_FOUND;
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PFDI_INT(hfdi)->perf->erfType = ERROR_INVALID_HANDLE;
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PFDI_INT(hfdi)->perf->fError = TRUE;
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SetLastError(ERROR_INVALID_HANDLE);
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return FALSE;
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}
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if (!pfdici) {
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||||
ERR("(!pfdici)!\n");
|
||||
PFDI_INT(hfdi)->perf->erfOper = FDIERROR_NONE;
|
||||
PFDI_INT(hfdi)->perf->erfType = ERROR_BAD_ARGUMENTS;
|
||||
PFDI_INT(hfdi)->perf->fError = TRUE;
|
||||
SetLastError(ERROR_BAD_ARGUMENTS);
|
||||
return FALSE;
|
||||
}
|
||||
rv = FDI_read_entries(hfdi, hf, pfdici);
|
||||
|
||||
if (rv)
|
||||
pfdici->hasnext = FALSE; /* yuck. duplicate apparent cabinet.dll bug */
|
||||
|
||||
return rv;
|
||||
}
|
||||
|
||||
/***********************************************************************
|
||||
* FDICopy (CABINET.22)
|
||||
*/
|
||||
|
|
@ -87,6 +401,11 @@ BOOL __cdecl FDICopy(
|
|||
pfnfdin == ^%p, pfnfdid == ^%p, pvUser == ^%p): stub\n",
|
||||
hfdi, pszCabinet, pszCabPath, flags, pfnfdin, pfnfdid, pvUser);
|
||||
|
||||
if (!REALLY_IS_FDI(hfdi)) {
|
||||
SetLastError(ERROR_INVALID_HANDLE);
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
|
||||
return FALSE;
|
||||
}
|
||||
|
|
@ -96,14 +415,19 @@ BOOL __cdecl FDICopy(
|
|||
*/
|
||||
BOOL __cdecl FDIDestroy(HFDI hfdi)
|
||||
{
|
||||
FIXME("(hfdi == ^%p): stub\n", hfdi);
|
||||
|
||||
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
|
||||
TRACE("(hfdi == ^%p)\n", hfdi);
|
||||
if (REALLY_IS_FDI(hfdi)) {
|
||||
PFDI_INT(hfdi)->FDI_Intmagic = 0; /* paranoia */
|
||||
PFDI_FREE(hfdi, hfdi); /* confusing, but correct */
|
||||
return TRUE;
|
||||
} else {
|
||||
SetLastError(ERROR_INVALID_HANDLE);
|
||||
return FALSE;
|
||||
}
|
||||
}
|
||||
|
||||
/***********************************************************************
|
||||
* FDICreate (CABINET.20)
|
||||
* FDITruncateCabinet (CABINET.24)
|
||||
*/
|
||||
BOOL __cdecl FDITruncateCabinet(
|
||||
HFDI hfdi,
|
||||
|
|
@ -113,7 +437,11 @@ BOOL __cdecl FDITruncateCabinet(
|
|||
FIXME("(hfdi == ^%p, pszCabinetName == %s, iFolderToDelete == %hu): stub\n",
|
||||
hfdi, debugstr_a(pszCabinetName), iFolderToDelete);
|
||||
|
||||
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
|
||||
|
||||
if (!REALLY_IS_FDI(hfdi)) {
|
||||
SetLastError(ERROR_INVALID_HANDLE);
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
|
||||
return FALSE;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue