791 lines
23 KiB
C
791 lines
23 KiB
C
/*
|
|
OLEdecode - Decode Microsoft OLE files into its components.
|
|
Copyright (C) 1998, 1999 Andrew Scriven
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
/*
|
|
Released under GPL, written by
|
|
Andrew Scriven <andy.scriven@research.natpower.co.uk>
|
|
|
|
Copyright (C) 1998, 1999
|
|
Andrew Scriven
|
|
*/
|
|
/*
|
|
-----------------------------------------------------------------------
|
|
Andrew Scriven
|
|
Research and Engineering
|
|
Electron Building, Windmill Hill, Whitehill Way, Swindon, SN5 6PB, UK
|
|
Phone (44) 1793 896206, Fax (44) 1793 896251
|
|
-----------------------------------------------------------------------
|
|
*/
|
|
/*
|
|
*Extremely* modified by Arturo Tena <arturo@directmail.org>
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdarg.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <ctype.h>
|
|
#include <sys/types.h>
|
|
#include <assert.h>
|
|
|
|
#if !(defined( __BORLANDC__ ) || defined( __WIN32__ ))
|
|
#include "cole.h"
|
|
#include "config.h"
|
|
#include <unistd.h> /* for unlink() */
|
|
#else
|
|
#include "cole.h.in"
|
|
#endif
|
|
/* FIXME: replace all VERBOSE with COLE_VERBOSE */
|
|
#ifdef COLE_VERBOSE
|
|
#define VERBOSE
|
|
#else
|
|
#undef VERBOSE
|
|
#endif
|
|
#include "support.h"
|
|
#include "internal.h"
|
|
|
|
|
|
#define ENTRYCHUNK 20 /* number of entries in root_list and sbd_list
|
|
will be added each time. must be at least 1 */
|
|
|
|
#define MIN(a,b) ((a)<(b) ? (a) : (b))
|
|
|
|
|
|
/* reorder pps tree, from tree structure to a linear one,
|
|
and write the level numbers, returns zero if OLE format fails,
|
|
returns no zero if success */
|
|
static int reorder_pps_tree (pps_entry * root_pps, U16 level);
|
|
/* free memory used (except the pps tree) */
|
|
static void ends (void);
|
|
/* close and remove files in the tree */
|
|
/* closeOLEtreefiles --- outdated because not to generate the
|
|
real files by now --- cole 2.0.0 */
|
|
/*
|
|
static void closeOLEtreefiles (pps_entry * tree, U32 root);
|
|
*/
|
|
/*
|
|
Verbose pps tree.
|
|
Input: pps_list: stream list.
|
|
root_pps: root pps.
|
|
level: how much levels will be extracted.
|
|
Output: none.
|
|
*/
|
|
static void verbosePPSTree (pps_entry * pps_list, U32 root_pps, int level);
|
|
|
|
|
|
static FILE *input;
|
|
static U8 *Block;
|
|
static U8 *Blockx;
|
|
static U8 *BDepot, *SDepot, *Root;
|
|
static pps_entry *pps_list;
|
|
static U32 num_of_pps;
|
|
static FILE *sbfile;
|
|
/* sbfilename is stored in *_sbfilename instead -- cole 2.0.0 */
|
|
/* static char sbfilename[L_tmpnam]; */
|
|
static U32 *sbd_list;
|
|
static U32 *root_list;
|
|
|
|
|
|
int __OLEdecode (char *OLEfilename, pps_entry ** stream_list, U32 * root,
|
|
U8 **_BDepot, U8 **_SDepot, FILE **_sbfile, char **_sbfilename,
|
|
FILE **_input,
|
|
U16 max_level)
|
|
{
|
|
int c;
|
|
U32 num_bbd_blocks;
|
|
U32 num_xbbd_blocks;
|
|
U32 bl;
|
|
U32 i, j, len;
|
|
U8 *s, *p, *t;
|
|
long FilePos;
|
|
/* FilePos is long, not U32, because second argument of fseek is long */
|
|
|
|
/* initialize static variables */
|
|
input = sbfile = NULL;
|
|
Block = Blockx = BDepot = SDepot = Root = NULL;
|
|
pps_list = NULL;
|
|
num_of_pps = 0;
|
|
/* sbfilename is stored in *_sbfilename instead -- cole 2.0.0 */
|
|
/* sbfilename[0] = 0; */
|
|
root_list = sbd_list = NULL;
|
|
/* initalize return parameters */
|
|
*stream_list = NULL;
|
|
|
|
/* open input file */
|
|
verbose ("open input file");
|
|
input = fopen (OLEfilename, "rb");
|
|
test_exitf (input != NULL, 4, ends ());
|
|
*_input = input;
|
|
|
|
/* fast check type of file */
|
|
verbose ("fast testing type of file");
|
|
test_exitf ((c = getc (input)) != EOF, 5, ends ());
|
|
test_exitf (ungetc (c, input) != EOF, 5, ends ());
|
|
/* test_exitf (!isprint (c), 8, ends ()); OpenBSD suggestion to comment this out */
|
|
test_exitf (c == 0xd0, 9, ends ());
|
|
|
|
/* read header block */
|
|
verbose ("read header block");
|
|
Block = (U8 *) malloc (0x0200);
|
|
test_exitf (Block != NULL, 10, ends ());
|
|
fread (Block, 0x0200, 1, input);
|
|
test_exitf (!ferror (input), 5, ends ());
|
|
|
|
/* really check type of file */
|
|
rewind (input);
|
|
verbose ("testing type of file");
|
|
test_exitf (fil_sreadU32 (Block) != 0xd0cf11e0UL, 9, ends ());
|
|
test_exitf (fil_sreadU32 (Block + 0x04) != 0xa1b11ae1UL, 9, ends ());
|
|
|
|
|
|
/* read big block depot */
|
|
verbose ("read big block depot (bbd)");
|
|
num_bbd_blocks = fil_sreadU32 (Block + 0x2c);
|
|
num_xbbd_blocks = fil_sreadU32 (Block + 0x48);
|
|
verboseU32 (num_bbd_blocks);
|
|
verboseU32 (num_xbbd_blocks);
|
|
BDepot = (U8 *) malloc (0x0200 * (num_bbd_blocks + num_xbbd_blocks));
|
|
test_exitf (BDepot != NULL, 10, ends ());
|
|
*_BDepot = BDepot;
|
|
s = BDepot;
|
|
assert (num_bbd_blocks <= (0x0200 / 4 - 1) * num_xbbd_blocks +
|
|
(0x0200 / 4) - 19);
|
|
/* the first 19 U32 in header does not belong to bbd_list */
|
|
for (i = 0; i < MIN (num_bbd_blocks, 0x0200 / 4 - 19); i++)
|
|
{
|
|
/* note: next line may be needed to be cast to long in right side */
|
|
FilePos = 0x0200 * (1 + fil_sreadU32 (Block + 0x4c + (i * 4)));
|
|
assert (FilePos >= 0);
|
|
test_exitf (!fseek (input, FilePos, SEEK_SET), 5, ends ());
|
|
fread (s, 0x0200, 1, input);
|
|
test_exitf (!ferror (input), 5, ends ());
|
|
s += 0x0200;
|
|
}
|
|
|
|
Blockx = (U8 *) malloc (0x0200);
|
|
test_exitf (Blockx != NULL, 10, ends ());
|
|
bl = fil_sreadU32 (Block + 0x44);
|
|
for (i = 0; i < num_xbbd_blocks; i++)
|
|
{
|
|
FilePos = 0x0200 * (1 + bl);
|
|
assert (FilePos >= 0);
|
|
test_exitf (!fseek (input, FilePos, SEEK_SET), 5, ends ());
|
|
fread (Blockx, 0x0200, 1, input);
|
|
test_exitf (!ferror (input), 5, ends ());
|
|
|
|
for (j=0; j < 0x0200 / 4 - 1;j++)
|
|
/* last U32 is for the next bl */
|
|
{
|
|
if (fil_sreadU32 (Blockx + (j * 4)) == 0xfffffffeUL ||
|
|
fil_sreadU32 (Blockx + (j * 4)) == 0xfffffffdUL ||
|
|
fil_sreadU32 (Blockx + (j * 4)) == 0xffffffffUL)
|
|
break;
|
|
/* note: next line may be needed to be cast to long in right side */
|
|
FilePos = 0x0200 * (1 + fil_sreadU32 (Blockx + (j * 4)));
|
|
assert (FilePos >= 0);
|
|
test_exitf (!fseek (input, FilePos, SEEK_SET), 5, ends ());
|
|
fread (s, 0x0200, 1, input);
|
|
test_exitf (!ferror (input), 5, ends ());
|
|
s += 0x0200;
|
|
}
|
|
|
|
bl = fil_sreadU32 (Blockx + 0x0200 - 4);
|
|
}
|
|
verboseU8Array (BDepot, (num_bbd_blocks+num_xbbd_blocks), 0x0200);
|
|
|
|
|
|
/* extract the sbd block list */
|
|
verbose ("extract small block depot (sbd) block list");
|
|
sbd_list = (U32 *) malloc (ENTRYCHUNK * 4);
|
|
test_exitf (sbd_list != NULL, 10, ends ());
|
|
sbd_list[0] = fil_sreadU32 (Block + 0x3c);
|
|
/* -2 signed long int == 0xfffffffe unsinged long int */
|
|
for (len = 1; sbd_list[len - 1] != 0xfffffffeUL; len++)
|
|
{
|
|
test_exitf (len != 0, 5, ends ()); /* means file is too big */
|
|
/* if memory allocated in sbd_list is all used, allocate more memory */
|
|
if (!(len % ENTRYCHUNK))
|
|
{
|
|
U32 *newspace;
|
|
newspace = realloc (sbd_list,
|
|
(1 + len / ENTRYCHUNK) * ENTRYCHUNK * 4);
|
|
test_exitf (newspace != NULL, 10, ends ());
|
|
sbd_list = newspace;
|
|
}
|
|
sbd_list[len] = fil_sreadU32 (BDepot + (sbd_list[len - 1] * 4));
|
|
/*verboseU32 (len);*/
|
|
/*verboseU32 (sbd_list[0]);*/
|
|
/*verboseU32 (sbd_list[1]);*/
|
|
if (sbd_list[len] != 0xfffffffeUL)
|
|
test_exitf (sbd_list[len] <= num_bbd_blocks * 0x0200 - 4, 5, ends ());
|
|
test_exitf (sbd_list[len] != 0xfffffffdUL &&
|
|
sbd_list[len] != 0xffffffffUL,
|
|
5, ends ());
|
|
}
|
|
len--;
|
|
verboseU32Array (sbd_list, len+1);
|
|
/* read in small block depot, if there's any small block */
|
|
if (len == 0)
|
|
{
|
|
SDepot = NULL;
|
|
verbose ("not read small block depot (sbd): there's no small blocks");
|
|
}
|
|
else
|
|
{
|
|
verbose ("read small block depot (sbd)");
|
|
SDepot = (U8 *) malloc (0x0200 * len);
|
|
test_exitf (SDepot != NULL, 10, ends ());
|
|
s = SDepot;
|
|
for (i = 0; i < len; i++)
|
|
{
|
|
FilePos = 0x0200 * (1 + sbd_list[i]);
|
|
assert (FilePos >= 0);
|
|
test_exitf (!fseek (input, FilePos, SEEK_SET), 5, ends ());
|
|
fread (s, 0x0200, 1, input);
|
|
test_exitf (!ferror (input), 5, ends ());
|
|
s += 0x200;
|
|
}
|
|
verboseU8Array (SDepot, len, 0x0200);
|
|
}
|
|
*_SDepot = SDepot;
|
|
|
|
/* extract the root block list */
|
|
verbose ("extract root block depot (root) block list");
|
|
root_list = (U32 *) malloc (ENTRYCHUNK * 4);
|
|
test_exitf (root_list != NULL, 10, ends ());
|
|
root_list[0] = fil_sreadU32 (Block + 0x30);
|
|
for (len = 1; root_list[len - 1] != 0xfffffffeUL; len++)
|
|
{
|
|
test_exitf (len != 0, 5, ends ()); /* means file is too long */
|
|
/* if memory allocated in root_list is all used, allocate more memory */
|
|
if (!(len % ENTRYCHUNK))
|
|
{
|
|
U32 *newspace;
|
|
newspace = realloc (root_list,
|
|
(1 + len / ENTRYCHUNK) * ENTRYCHUNK * 4);
|
|
test_exitf (newspace != NULL, 10, ends ());
|
|
root_list = newspace;
|
|
}
|
|
root_list[len] = fil_sreadU32 (BDepot + (root_list[len - 1] * 4));
|
|
test_exitf (root_list[len] != 0xfffffffdUL && root_list[len] !=
|
|
0xffffffffUL, 5, ends ());
|
|
}
|
|
len--;
|
|
verboseU32Array (root_list, len+1);
|
|
/* read in root block depot */
|
|
verbose ("read in root block depot (Root)");
|
|
Root = (U8 *) malloc (0x0200 * len);
|
|
test_exitf (Root != NULL, 10, ends ());
|
|
s = Root;
|
|
for (i = 0; i < len; i++)
|
|
{
|
|
FilePos = 0x0200 * (root_list[i] + 1);
|
|
assert (FilePos >= 0);
|
|
test_exitf (!fseek (input, FilePos, SEEK_SET), 5, ends ());
|
|
fread (s, 0x0200, 1, input);
|
|
test_exitf (!ferror (input), 5, ends ());
|
|
s += 0x200;
|
|
}
|
|
verboseU8Array (Root, len, 0x0200);
|
|
|
|
|
|
/* assign space for pps list */
|
|
verbose ("read pps list");
|
|
num_of_pps = len * 4; /* each sbd block have 4 pps */
|
|
*stream_list = pps_list = (pps_entry *)malloc(num_of_pps*sizeof(pps_entry));
|
|
test_exitf (pps_list != NULL, 10, ends ());
|
|
/* read pss entry details and look out for "Root Entry" */
|
|
verbose ("read pps entry details");
|
|
for (i = 0; i < num_of_pps; i++)
|
|
{
|
|
U16 size_of_name;
|
|
|
|
s = Root + (i * 0x80);
|
|
|
|
/* read the number */
|
|
pps_list[i].ppsnumber = i;
|
|
|
|
/* read the name */
|
|
size_of_name = (U16)MIN (0x40, fil_sreadU16 (s + 0x40));
|
|
pps_list[i].name[0] = 0;
|
|
if (size_of_name == 0)
|
|
continue;
|
|
for (p = (U8 *) pps_list[i].name, t = s;
|
|
t < s + size_of_name; t++)
|
|
*p++ = *t++;
|
|
/* makes visible the non printable first character */
|
|
/* if (!isprint (pps_list[i].name[0]) && pps_list[i].name[0])
|
|
pps_list[i].name[0] += 'a'; */
|
|
|
|
/* read the pps type */
|
|
pps_list[i].type = *(s + 0x42);
|
|
if (pps_list[i].type == 5)
|
|
{
|
|
assert (i == 0);
|
|
*root = i; /* this pps is the root */
|
|
}
|
|
|
|
/* read the others fields */
|
|
pps_list[i].previous = fil_sreadU32 (s + 0x44);
|
|
pps_list[i].next = fil_sreadU32 (s + 0x48);
|
|
pps_list[i].dir = fil_sreadU32 (s + 0x4c);
|
|
pps_list[i].start = fil_sreadU32 (s + 0x74);
|
|
pps_list[i].size = fil_sreadU32 (s + 0x78);
|
|
pps_list[i].seconds1 = fil_sreadU32 (s + 0x64);
|
|
pps_list[i].seconds2 = fil_sreadU32 (s + 0x6c);
|
|
pps_list[i].days1 = fil_sreadU32 (s + 0x68);
|
|
pps_list[i].days2 = fil_sreadU32 (s + 0x70);
|
|
}
|
|
|
|
/* NEXT IS VERBOSE verbose */
|
|
#ifdef VERBOSE
|
|
{
|
|
U32 i;
|
|
printf ("before reorder pps tree\n");
|
|
printf ("pps type prev next dir start level size name\n");
|
|
for (i = 0; i < num_of_pps; i++)
|
|
{
|
|
if (!pps_list[i].name[0])
|
|
{
|
|
printf (" -\n");
|
|
continue;
|
|
}
|
|
printf ("%08lx ", pps_list[i].ppsnumber);
|
|
printf ("%d ", pps_list[i].type);
|
|
printf ("%08lx ", pps_list[i].previous);
|
|
printf ("%08lx ", pps_list[i].next);
|
|
printf ("%08lx ", pps_list[i].dir);
|
|
printf ("%08lx ", pps_list[i].start);
|
|
printf ("%04x ", pps_list[i].level);
|
|
printf ("%08lx ", pps_list[i].size);
|
|
printf ("'%c", !isprint (pps_list[i].name[0]) ? ' ' : pps_list[i].name[0]);
|
|
printf ("%s'\n", pps_list[i].name+1);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/* go through the tree made with pps entries, and reorder it so only the
|
|
next link is used (move the previous-link-children to the last visited
|
|
next-link-children) */
|
|
test_exitf (reorder_pps_tree (&pps_list[*root], 0), 9, ends ());
|
|
|
|
/* NEXT IS VERBOSE verbose */
|
|
#ifdef VERBOSE
|
|
{
|
|
U32 i;
|
|
printf ("after reorder pps tree\n");
|
|
printf ("pps type prev next dir start level size name\n");
|
|
for (i = 0; i < num_of_pps; i++)
|
|
{
|
|
if (!pps_list[i].name[0])
|
|
{
|
|
printf (" -\n");
|
|
continue;
|
|
}
|
|
printf ("%08lx ", pps_list[i].ppsnumber);
|
|
printf ("%d ", pps_list[i].type);
|
|
printf ("%08lx ", pps_list[i].previous);
|
|
printf ("%08lx ", pps_list[i].next);
|
|
printf ("%08lx ", pps_list[i].dir);
|
|
printf ("%08lx ", pps_list[i].start);
|
|
printf ("%04x ", pps_list[i].level);
|
|
printf ("%08lx ", pps_list[i].size);
|
|
printf ("'%c", !isprint (pps_list[i].name[0]) ? ' ' : pps_list[i].name[0]);
|
|
printf ("%s\n", pps_list[i].name+1);
|
|
}
|
|
}
|
|
|
|
/* NEXT IS VERBOSE verbose */
|
|
verbosePPSTree (pps_list, *root, 0);
|
|
#endif
|
|
|
|
|
|
/* generates pps real files */
|
|
/* NOTE: by this moment, the pps tree,
|
|
wich is made with pps_list entries, is reordered */
|
|
verbose ("create pps files");
|
|
{
|
|
U8 *Depot;
|
|
FILE *OLEfile, *infile;
|
|
U16 BlockSize, Offset;
|
|
size_t bytes_to_read;
|
|
U32 pps_size, pps_start;
|
|
|
|
assert (num_of_pps >= 1);
|
|
/* i < 1 --- before i < num_of_pps --- changed so not to generate the
|
|
real files by now --- cole 2.0.0 */
|
|
/* may be later we can rewrite this code in order to only extract the
|
|
sbfile, may be using __cole_extract_file call to avoid duplicated
|
|
code --- cole 2.0.0 */
|
|
for (i = 0; i < 1; i++)
|
|
{
|
|
pps_list[i].filename[0] = 0;
|
|
|
|
/* storage pps and non-valid-pps (except root) does not need files */
|
|
/* because FlashPix file format have a root of type 5 but with no name,
|
|
we must to check if the non-valid-pps is root */
|
|
if (pps_list[i].type == 1
|
|
|| (!pps_list[i].name[0] && pps_list[i].type != 5))
|
|
continue;
|
|
/* pps that have level > max_level will not be extracted */
|
|
if (max_level != 0 && pps_list[i].level > max_level)
|
|
continue;
|
|
|
|
pps_size = pps_list[i].size;
|
|
pps_start = pps_list[i].start;
|
|
/* FIXME MARK 2 */
|
|
/* How we get sure pps_start doesn't point to a block bigger than the
|
|
real file (input of sbfile) have? */
|
|
|
|
/* create the new file */
|
|
if (pps_list[i].type == 5)
|
|
/* root entry, sbfile must be generated */
|
|
{
|
|
if (SDepot == NULL) {
|
|
/* if there are not small blocks, not generate sbfile */
|
|
*_sbfilename = NULL;
|
|
*_sbfile = NULL;
|
|
break;
|
|
}
|
|
assert (i == *root);
|
|
assert (i == 0);
|
|
/* tmpnam (sbfile) and next calls --- commented out so not to
|
|
generate the real files by now --- sbfilename is stored in
|
|
*_sbfilename instead --- cole 2.0.0
|
|
*/
|
|
/*
|
|
tmpnam (sbfilename);
|
|
test_exitf (sbfilename[0], 7, ends ());
|
|
sbfile = OLEfile = fopen (sbfilename, "wb+");
|
|
test_exitf (OLEfile != NULL, 7, ends ());
|
|
verboseS (sbfilename);
|
|
*/
|
|
#if defined( __WIN32__ ) || defined( __BORLANDC__ )
|
|
*_sbfilename = (U8 *)malloc (TMPNAM_LEN);
|
|
test_exitf (*_sbfilename != NULL, 10, ends ());
|
|
tmpnam (*_sbfilename);
|
|
test_exitf (*_sbfilename[0], 7, ends ());
|
|
sbfile = OLEfile = fopen (*_sbfilename, "w+b");
|
|
#else
|
|
{
|
|
int ret;
|
|
|
|
*_sbfilename = (U8 *)malloc (TMPNAM_LEN);
|
|
test_exitf (*_sbfilename != NULL, 10, ends ());
|
|
|
|
strcpy(*_sbfilename, "/tmp/xlHtmlXXXXXX");
|
|
ret = mkstemp(*_sbfilename);
|
|
if (ret == -1) {
|
|
free(*_sbfilename);
|
|
test_exitf (ret == -1, 7, ends ());
|
|
}
|
|
|
|
sbfile = OLEfile = fdopen(ret, "w+b");
|
|
/* unlink() is called so this file deletes when we are done with it */
|
|
unlink(*_sbfilename);
|
|
}
|
|
#endif
|
|
*_sbfile = sbfile;
|
|
test_exitf (OLEfile != NULL, 7, ends ());
|
|
verboseS (*_sbfilename);
|
|
}
|
|
else
|
|
/* other entry, save in a file */
|
|
{
|
|
/* this branch is never executed now */
|
|
#if defined( __WIN32__ ) || defined( __BORLANDC__ )
|
|
tmpnam (pps_list[i].filename);
|
|
test_exitf (pps_list[i].filename[0], 7, ends ());
|
|
verbose(pps_list[i].name + (!isprint(pps_list[i].name[0]) ? 1 : 0));
|
|
OLEfile = fopen (pps_list[i].filename, "wb");
|
|
#else
|
|
int ret;
|
|
|
|
strcpy(pps_list[i].filename, "/tmp/xlHtmlXXXXXX");
|
|
ret = mkstemp(pps_list[i].filename);
|
|
test_exitf (ret == -1, 7, ends ());
|
|
OLEfile = fdopen(ret, "wb");
|
|
#endif
|
|
test_exitf (OLEfile != NULL, 7, ends ());
|
|
verbose (pps_list[i].filename);
|
|
}
|
|
|
|
if (pps_size >= 0x1000 /*is in bbd */ ||
|
|
OLEfile == sbfile /*is root */ )
|
|
{
|
|
/* read from big block depot */
|
|
Offset = 1;
|
|
BlockSize = 0x0200;
|
|
assert (input != NULL);
|
|
assert (BDepot != NULL);
|
|
infile = input;
|
|
Depot = BDepot;
|
|
}
|
|
else
|
|
{
|
|
/* read from small block file */
|
|
Offset = 0;
|
|
BlockSize = 0x40;
|
|
assert (sbfile != NULL);
|
|
assert (SDepot != NULL);
|
|
infile = sbfile;
|
|
Depot = SDepot;
|
|
}
|
|
|
|
/* -2 signed long int == 0xfffffffe unsinged long int */
|
|
while (pps_start != 0xfffffffeUL)
|
|
{
|
|
#ifdef VERBOSE
|
|
printf ("reading pps %08lx block %08lx from %s\n",
|
|
pps_list[i].ppsnumber, pps_start,
|
|
Depot == BDepot ? "big block depot" : "small block depot");
|
|
#endif
|
|
FilePos = (pps_start + Offset) * BlockSize;
|
|
assert (FilePos >= 0);
|
|
bytes_to_read = MIN ((U32)BlockSize, pps_size);
|
|
fseek (infile, FilePos, SEEK_SET);
|
|
fread (Block, bytes_to_read, 1, infile);
|
|
test_exitf (!ferror (infile), 5, ends ());
|
|
fwrite (Block, bytes_to_read, 1, OLEfile);
|
|
test_exitf (!ferror (infile), 5, ends ());
|
|
pps_start = fil_sreadU32 (Depot + (pps_start * 4));
|
|
pps_size -= MIN ((U32)BlockSize, pps_size);
|
|
if (pps_size == 0)
|
|
pps_start = 0xfffffffeUL;
|
|
}
|
|
if (OLEfile == sbfile)
|
|
/* if small block file generated */
|
|
rewind (OLEfile); /* rewind because we will read it later */
|
|
/*else if (!fclose (OLEfile))*/ /* close the pps file */
|
|
/* don't know what to do here */
|
|
/*;*/
|
|
}
|
|
/* if (sbfile != NULL) --- commented out so conservate sbfile
|
|
open --- cole 2.0.0 */
|
|
/*
|
|
if (sbfile != NULL)
|
|
{
|
|
fclose (sbfile);
|
|
if (!remove (sbfilename)) ;
|
|
sbfile = NULL;
|
|
}
|
|
*/
|
|
}
|
|
ends ();
|
|
return 0;
|
|
}
|
|
|
|
|
|
/* reorder pps tree and write levels */
|
|
/* not sure if it is safe declare last_next_link_visited
|
|
inside reorder_pps_tree function */
|
|
static U32 *last_next_link_visited;
|
|
static int reorder_pps_tree (pps_entry * node, U16 level)
|
|
{
|
|
/* NOTE: in next, previous and dir link,
|
|
0xffffffff means point to nowhere (NULL) */
|
|
|
|
node->level = level;
|
|
|
|
/* reorder subtrees, if there's any */
|
|
if (node->dir != 0xffffffffUL)
|
|
{
|
|
if (node->dir > num_of_pps || !pps_list[node->dir].name[0])
|
|
return 0;
|
|
else if (!reorder_pps_tree (&pps_list[node->dir], (U16)(level + 1)))
|
|
return 0;
|
|
}
|
|
|
|
/* reorder next-link subtree, saving the most next link visited */
|
|
if (node->next != 0xffffffffUL)
|
|
{
|
|
if (node->next > num_of_pps || !pps_list[node->next].name[0])
|
|
return 0;
|
|
else if (!reorder_pps_tree (&pps_list[node->next], level))
|
|
return 0;
|
|
}
|
|
else
|
|
last_next_link_visited = &node->next;
|
|
|
|
/* move the prev child to the next link and reorder it, if there's any */
|
|
if (node->previous != 0xffffffffUL)
|
|
{
|
|
if (node->previous > num_of_pps || !pps_list[node->previous].name[0])
|
|
return 0;
|
|
else
|
|
{
|
|
*last_next_link_visited = node->previous;
|
|
node->previous = 0xffffffffUL;
|
|
if (!reorder_pps_tree (&pps_list[*last_next_link_visited], level))
|
|
return 0;
|
|
}
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
|
|
/* verbose pps tree */
|
|
static void verbosePPSTree (pps_entry * pps_list, U32 start_entry, int level)
|
|
{
|
|
U32 entry;
|
|
int i;
|
|
#if __GNUC__ == 2
|
|
static char cff[] = "cole235711";
|
|
#define nextff(var) static void * nextff_var = (&nextff_var); \
|
|
nextff_var=&var;
|
|
nextff (cff);
|
|
#endif
|
|
|
|
|
|
for (entry = start_entry; entry != 0xffffffffUL; entry = pps_list[entry].next)
|
|
{
|
|
if (pps_list[entry].type == 2)
|
|
{
|
|
for (i = 0; i < level * 3; i++)
|
|
printf (" ");
|
|
printf ("FILE %02lx %8ld '%c%s'\n", pps_list[entry].ppsnumber,
|
|
pps_list[entry].size, !isprint((int)pps_list[entry].name[0]) ? ' ' : pps_list[entry].name[0], pps_list[entry].name+1);
|
|
}
|
|
else
|
|
{
|
|
for (i = 0; i < level * 3; i++)
|
|
printf (" ");
|
|
printf ("DIR %02lx '%c%s'\n", pps_list[entry].ppsnumber,
|
|
!isprint((int)pps_list[entry].name[0]) ? ' ' : pps_list[entry].name[0], pps_list[entry].name+1);
|
|
verbosePPSTree (pps_list, pps_list[entry].dir, level + 1);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/* closeOLEtreefiles --- outdated because not to generate the
|
|
real files by now --- cole 2.0.0 */
|
|
/*
|
|
#define freeNoNULL(x) { if ((x) != NULL) free (x); }
|
|
static int errorClosingTreeFiles;
|
|
void
|
|
closeOLEtreefiles (pps_entry * tree, U32 root)
|
|
{
|
|
#ifdef VERBOSE
|
|
printf ("Visiting entry 0x%08lx to erase file\n",
|
|
tree[root].ppsnumber);
|
|
#endif
|
|
if (tree[root].previous != 0xffffffffUL)
|
|
closeOLEtreefiles (tree, tree[root].previous);
|
|
if (tree[root].next != 0xffffffffUL)
|
|
closeOLEtreefiles (tree, tree[root].next);
|
|
if (tree[root].type != 2 && tree[root].dir != 0xffffffffUL)
|
|
{
|
|
#ifdef VERBOSE
|
|
printf ("Going down to directory 0x%08lx to erase files\n",
|
|
tree[root].dir);
|
|
#endif
|
|
closeOLEtreefiles (tree, tree[root].dir);
|
|
}
|
|
else if (tree[root].type == 2)
|
|
if (!remove (tree[root].filename))
|
|
{
|
|
#ifdef VERBOSE
|
|
printf ("Success removing %s\n", tree[root].filename);
|
|
#endif
|
|
}
|
|
else
|
|
{
|
|
#ifdef VERBOSE
|
|
printf ("Failed to remove %s\n", tree[root].filename);
|
|
#endif
|
|
errorClosingTreeFiles = 1;
|
|
}
|
|
}
|
|
*/
|
|
|
|
/* freeOLEtree is now useless: it only free tree -- cole 2.0.0 */
|
|
/*
|
|
Free all the memory allocated in the tree.
|
|
Output: 0 = Sucess.
|
|
. 6 = Error removing some temporal stream files.
|
|
*/
|
|
/*
|
|
int freeOLEtree (pps_entry * tree);
|
|
*/
|
|
/*
|
|
int
|
|
freeOLEtree (pps_entry * tree)
|
|
{
|
|
*/
|
|
/* errorCloseingTreeFiles --- doesn't exists because closeOLEtreefiles
|
|
was outdated because not to generate the real files by
|
|
now --- cole 2.0.0 */
|
|
/*
|
|
errorClosingTreeFiles = 0;
|
|
*/
|
|
/*
|
|
if (tree != NULL)
|
|
{
|
|
*/
|
|
/* closeOLEtreefiles --- outdated because not to generate the
|
|
real files by now --- cole 2.0.0 */
|
|
/*
|
|
closeOLEtreefiles (tree, 0);
|
|
*/
|
|
/*
|
|
free (tree);
|
|
}
|
|
*/
|
|
/* errorCloseingTreeFiles --- doesn't exists because closeOLEtreefiles
|
|
was outdated because not to generate the real files by
|
|
now --- cole 2.0.0 */
|
|
/*return*/ /* errorClosingTreeFiles ? 6 : */ /*0;*/
|
|
/*}*/
|
|
|
|
|
|
/* free memory used (except the pps tree) */
|
|
#define freeNoNULL(x) { if ((x) != NULL) free (x); }
|
|
static void ends (void)
|
|
{
|
|
/* if (input != NULL) and next lines --- commented out so conservate input
|
|
file open --- cole 2.0.0 */
|
|
/*
|
|
if (input != NULL)
|
|
fclose (input);
|
|
*/
|
|
freeNoNULL (Block);
|
|
freeNoNULL (Blockx);
|
|
/* freeNoNULL (BDepot) and next line --- commented out so conservate
|
|
depots --- cole 2.0.0 */
|
|
/*
|
|
freeNoNULL (BDepot);
|
|
freeNoNULL (SDepot);
|
|
*/
|
|
freeNoNULL (Root);
|
|
freeNoNULL (sbd_list);
|
|
freeNoNULL (root_list);
|
|
/* if (sbfile != NULL) and next lines --- commented out so conservate sbfile
|
|
open --- cole 2.0.0 */
|
|
/*
|
|
if (sbfile != NULL)
|
|
{
|
|
fclose (sbfile);
|
|
if (!remove (sbfilename)) ;
|
|
}
|
|
*/
|
|
}
|
|
|
|
#undef VERBOSE
|
|
|