22ea884fcd
* libtiff/tif_ojpeg.c: fix crash when reading a TIFF with a zero
or missing byte-count tag
* tools/tiffsplit.c: abort when reading a TIFF without a byte-count
per http://bugzilla.maptools.org/show_bug.cgi?id=1996
304 lines
8.2 KiB
C
304 lines
8.2 KiB
C
/* $Id: tiffsplit.c,v 1.21 2010-12-11 19:16:48 faxguy Exp $ */
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/*
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* Copyright (c) 1992-1997 Sam Leffler
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* Copyright (c) 1992-1997 Silicon Graphics, Inc.
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*
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* Permission to use, copy, modify, distribute, and sell this software and
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* its documentation for any purpose is hereby granted without fee, provided
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* that (i) the above copyright notices and this permission notice appear in
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* all copies of the software and related documentation, and (ii) the names of
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* Sam Leffler and Silicon Graphics may not be used in any advertising or
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* publicity relating to the software without the specific, prior written
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* permission of Sam Leffler and Silicon Graphics.
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*
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* THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
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* WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
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*
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* IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
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* ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
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* OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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* WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
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* LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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* OF THIS SOFTWARE.
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*/
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#include "tif_config.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "tiffio.h"
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#ifndef HAVE_GETOPT
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extern int getopt(int, char**, char*);
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#endif
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#define CopyField(tag, v) \
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if (TIFFGetField(in, tag, &v)) TIFFSetField(out, tag, v)
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#define CopyField2(tag, v1, v2) \
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if (TIFFGetField(in, tag, &v1, &v2)) TIFFSetField(out, tag, v1, v2)
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#define CopyField3(tag, v1, v2, v3) \
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if (TIFFGetField(in, tag, &v1, &v2, &v3)) TIFFSetField(out, tag, v1, v2, v3)
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#define PATH_LENGTH 8192
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static const char TIFF_SUFFIX[] = ".tif";
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static char fname[PATH_LENGTH];
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static int tiffcp(TIFF*, TIFF*);
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static void newfilename(void);
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static int cpStrips(TIFF*, TIFF*);
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static int cpTiles(TIFF*, TIFF*);
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int
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main(int argc, char* argv[])
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{
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TIFF *in, *out;
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if (argc < 2) {
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fprintf(stderr, "%s\n\n", TIFFGetVersion());
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fprintf(stderr, "usage: tiffsplit input.tif [prefix]\n");
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return (-3);
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}
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if (argc > 2) {
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strncpy(fname, argv[2], sizeof(fname));
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fname[sizeof(fname) - 1] = '\0';
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}
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in = TIFFOpen(argv[1], "r");
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if (in != NULL) {
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do {
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size_t path_len;
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char *path;
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newfilename();
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path_len = strlen(fname) + sizeof(TIFF_SUFFIX);
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path = (char *) _TIFFmalloc(path_len);
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strncpy(path, fname, path_len);
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path[path_len - 1] = '\0';
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strncat(path, TIFF_SUFFIX, path_len - strlen(path) - 1);
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out = TIFFOpen(path, TIFFIsBigEndian(in)?"wb":"wl");
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_TIFFfree(path);
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if (out == NULL)
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return (-2);
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if (!tiffcp(in, out))
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return (-1);
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TIFFClose(out);
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} while (TIFFReadDirectory(in));
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(void) TIFFClose(in);
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}
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return (0);
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}
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static void
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newfilename(void)
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{
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static int first = 1;
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static long lastTurn;
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static long fnum;
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static short defname;
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static char *fpnt;
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if (first) {
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if (fname[0]) {
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fpnt = fname + strlen(fname);
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defname = 0;
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} else {
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fname[0] = 'x';
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fpnt = fname + 1;
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defname = 1;
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}
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first = 0;
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}
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#define MAXFILES 17576
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if (fnum == MAXFILES) {
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if (!defname || fname[0] == 'z') {
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fprintf(stderr, "tiffsplit: too many files.\n");
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exit(1);
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}
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fname[0]++;
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fnum = 0;
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}
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if (fnum % 676 == 0) {
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if (fnum != 0) {
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/*
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* advance to next letter every 676 pages
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* condition for 'z'++ will be covered above
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*/
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fpnt[0]++;
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} else {
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/*
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* set to 'a' if we are on the very first file
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*/
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fpnt[0] = 'a';
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}
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/*
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* set the value of the last turning point
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*/
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lastTurn = fnum;
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}
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/*
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* start from 0 every 676 times (provided by lastTurn)
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* this keeps us within a-z boundaries
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*/
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fpnt[1] = (char)((fnum - lastTurn) / 26) + 'a';
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/*
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* cycle last letter every file, from a-z, then repeat
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*/
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fpnt[2] = (char)(fnum % 26) + 'a';
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fnum++;
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}
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static int
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tiffcp(TIFF* in, TIFF* out)
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{
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uint16 bitspersample, samplesperpixel, compression, shortv, *shortav;
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uint32 w, l;
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float floatv;
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char *stringv;
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uint32 longv;
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CopyField(TIFFTAG_SUBFILETYPE, longv);
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CopyField(TIFFTAG_TILEWIDTH, w);
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CopyField(TIFFTAG_TILELENGTH, l);
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CopyField(TIFFTAG_IMAGEWIDTH, w);
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CopyField(TIFFTAG_IMAGELENGTH, l);
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CopyField(TIFFTAG_BITSPERSAMPLE, bitspersample);
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CopyField(TIFFTAG_SAMPLESPERPIXEL, samplesperpixel);
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CopyField(TIFFTAG_COMPRESSION, compression);
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if (compression == COMPRESSION_JPEG) {
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uint16 count = 0;
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void *table = NULL;
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if (TIFFGetField(in, TIFFTAG_JPEGTABLES, &count, &table)
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&& count > 0 && table) {
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TIFFSetField(out, TIFFTAG_JPEGTABLES, count, table);
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}
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}
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CopyField(TIFFTAG_PHOTOMETRIC, shortv);
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CopyField(TIFFTAG_PREDICTOR, shortv);
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CopyField(TIFFTAG_THRESHHOLDING, shortv);
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CopyField(TIFFTAG_FILLORDER, shortv);
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CopyField(TIFFTAG_ORIENTATION, shortv);
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CopyField(TIFFTAG_MINSAMPLEVALUE, shortv);
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CopyField(TIFFTAG_MAXSAMPLEVALUE, shortv);
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CopyField(TIFFTAG_XRESOLUTION, floatv);
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CopyField(TIFFTAG_YRESOLUTION, floatv);
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CopyField(TIFFTAG_GROUP3OPTIONS, longv);
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CopyField(TIFFTAG_GROUP4OPTIONS, longv);
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CopyField(TIFFTAG_RESOLUTIONUNIT, shortv);
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CopyField(TIFFTAG_PLANARCONFIG, shortv);
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CopyField(TIFFTAG_ROWSPERSTRIP, longv);
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CopyField(TIFFTAG_XPOSITION, floatv);
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CopyField(TIFFTAG_YPOSITION, floatv);
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CopyField(TIFFTAG_IMAGEDEPTH, longv);
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CopyField(TIFFTAG_TILEDEPTH, longv);
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CopyField(TIFFTAG_SAMPLEFORMAT, shortv);
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CopyField2(TIFFTAG_EXTRASAMPLES, shortv, shortav);
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{ uint16 *red, *green, *blue;
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CopyField3(TIFFTAG_COLORMAP, red, green, blue);
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}
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{ uint16 shortv2;
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CopyField2(TIFFTAG_PAGENUMBER, shortv, shortv2);
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}
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CopyField(TIFFTAG_ARTIST, stringv);
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CopyField(TIFFTAG_IMAGEDESCRIPTION, stringv);
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CopyField(TIFFTAG_MAKE, stringv);
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CopyField(TIFFTAG_MODEL, stringv);
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CopyField(TIFFTAG_SOFTWARE, stringv);
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CopyField(TIFFTAG_DATETIME, stringv);
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CopyField(TIFFTAG_HOSTCOMPUTER, stringv);
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CopyField(TIFFTAG_PAGENAME, stringv);
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CopyField(TIFFTAG_DOCUMENTNAME, stringv);
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CopyField(TIFFTAG_BADFAXLINES, longv);
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CopyField(TIFFTAG_CLEANFAXDATA, longv);
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CopyField(TIFFTAG_CONSECUTIVEBADFAXLINES, longv);
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CopyField(TIFFTAG_FAXRECVPARAMS, longv);
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CopyField(TIFFTAG_FAXRECVTIME, longv);
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CopyField(TIFFTAG_FAXSUBADDRESS, stringv);
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CopyField(TIFFTAG_FAXDCS, stringv);
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if (TIFFIsTiled(in))
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return (cpTiles(in, out));
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else
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return (cpStrips(in, out));
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}
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static int
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cpStrips(TIFF* in, TIFF* out)
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{
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tmsize_t bufsize = TIFFStripSize(in);
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unsigned char *buf = (unsigned char *)_TIFFmalloc(bufsize);
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if (buf) {
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tstrip_t s, ns = TIFFNumberOfStrips(in);
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uint64 *bytecounts;
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if (!TIFFGetField(in, TIFFTAG_STRIPBYTECOUNTS, &bytecounts)) {
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fprintf(stderr, "tiffsplit: strip byte counts are missing\n");
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return (0);
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}
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for (s = 0; s < ns; s++) {
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if (bytecounts[s] > (uint64)bufsize) {
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buf = (unsigned char *)_TIFFrealloc(buf, (tmsize_t)bytecounts[s]);
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if (!buf)
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return (0);
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bufsize = (tmsize_t)bytecounts[s];
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}
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if (TIFFReadRawStrip(in, s, buf, (tmsize_t)bytecounts[s]) < 0 ||
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TIFFWriteRawStrip(out, s, buf, (tmsize_t)bytecounts[s]) < 0) {
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_TIFFfree(buf);
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return (0);
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}
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}
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_TIFFfree(buf);
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return (1);
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}
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return (0);
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}
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static int
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cpTiles(TIFF* in, TIFF* out)
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{
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tmsize_t bufsize = TIFFTileSize(in);
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unsigned char *buf = (unsigned char *)_TIFFmalloc(bufsize);
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if (buf) {
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ttile_t t, nt = TIFFNumberOfTiles(in);
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uint64 *bytecounts;
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if (!TIFFGetField(in, TIFFTAG_TILEBYTECOUNTS, &bytecounts)) {
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fprintf(stderr, "tiffsplit: tile byte counts are missing\n");
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return (0);
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}
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for (t = 0; t < nt; t++) {
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if (bytecounts[t] > (uint64) bufsize) {
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buf = (unsigned char *)_TIFFrealloc(buf, (tmsize_t)bytecounts[t]);
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if (!buf)
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return (0);
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bufsize = (tmsize_t)bytecounts[t];
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}
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if (TIFFReadRawTile(in, t, buf, (tmsize_t)bytecounts[t]) < 0 ||
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TIFFWriteRawTile(out, t, buf, (tmsize_t)bytecounts[t]) < 0) {
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_TIFFfree(buf);
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return (0);
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}
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}
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_TIFFfree(buf);
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return (1);
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}
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return (0);
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}
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/* vim: set ts=8 sts=8 sw=8 noet: */
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/*
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* Local Variables:
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* mode: c
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* c-basic-offset: 8
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* fill-column: 78
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* End:
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*/
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