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https://github.com/NixOS/nixpkgs.git
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243 lines
8.4 KiB
Diff
243 lines
8.4 KiB
Diff
From cadff5fb6e73398de26a92e96d3d7cac893af255 Mon Sep 17 00:00:00 2001
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From: szukw000 <szukw000@arcor.de>
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Date: Fri, 9 Dec 2016 08:29:55 +0100
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Subject: [PATCH] These changes repair bugs of #871 and #872
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---
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src/bin/jp2/converttif.c | 107 +++++++++++++++++++++++++++++++----------------
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1 file changed, 70 insertions(+), 37 deletions(-)
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diff --git a/src/bin/jp2/converttif.c b/src/bin/jp2/converttif.c
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index 143d3be..c690f8b 100644
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--- a/src/bin/jp2/converttif.c
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+++ b/src/bin/jp2/converttif.c
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@@ -553,20 +553,18 @@ static void tif_32sto16u(const OPJ_INT32* pSrc, OPJ_UINT16* pDst, OPJ_SIZE_T len
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int imagetotif(opj_image_t * image, const char *outfile)
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{
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- int width, height;
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- int bps,adjust, sgnd;
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- int tiPhoto;
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+ uint32 width, height, bps, tiPhoto;
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+ int adjust, sgnd;
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TIFF *tif;
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tdata_t buf;
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- tsize_t strip_size;
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+ tmsize_t strip_size, rowStride;
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OPJ_UINT32 i, numcomps;
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- OPJ_SIZE_T rowStride;
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OPJ_INT32* buffer32s = NULL;
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OPJ_INT32 const* planes[4];
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convert_32s_PXCX cvtPxToCx = NULL;
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convert_32sXXx_C1R cvt32sToTif = NULL;
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- bps = (int)image->comps[0].prec;
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+ bps = (uint32)image->comps[0].prec;
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planes[0] = image->comps[0].data;
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numcomps = image->numcomps;
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@@ -674,13 +672,13 @@ int imagetotif(opj_image_t * image, const char *outfile)
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break;
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}
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sgnd = (int)image->comps[0].sgnd;
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- adjust = sgnd ? 1 << (image->comps[0].prec - 1) : 0;
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- width = (int)image->comps[0].w;
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- height = (int)image->comps[0].h;
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+ adjust = sgnd ? (int)(1 << (image->comps[0].prec - 1)) : 0;
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+ width = (uint32)image->comps[0].w;
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+ height = (uint32)image->comps[0].h;
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TIFFSetField(tif, TIFFTAG_IMAGEWIDTH, width);
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TIFFSetField(tif, TIFFTAG_IMAGELENGTH, height);
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- TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, numcomps);
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+ TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, (uint32)numcomps);
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TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, bps);
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TIFFSetField(tif, TIFFTAG_ORIENTATION, ORIENTATION_TOPLEFT);
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TIFFSetField(tif, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);
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@@ -688,8 +686,8 @@ int imagetotif(opj_image_t * image, const char *outfile)
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TIFFSetField(tif, TIFFTAG_ROWSPERSTRIP, 1);
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strip_size = TIFFStripSize(tif);
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- rowStride = ((OPJ_SIZE_T)width * numcomps * (OPJ_SIZE_T)bps + 7U) / 8U;
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- if (rowStride != (OPJ_SIZE_T)strip_size) {
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+ rowStride = (width * numcomps * bps + 7U) / 8U;
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+ if (rowStride != strip_size) {
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fprintf(stderr, "Invalid TIFF strip size\n");
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TIFFClose(tif);
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return 1;
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@@ -699,7 +697,7 @@ int imagetotif(opj_image_t * image, const char *outfile)
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TIFFClose(tif);
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return 1;
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}
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- buffer32s = (OPJ_INT32 *)malloc((OPJ_SIZE_T)width * numcomps * sizeof(OPJ_INT32));
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+ buffer32s = (OPJ_INT32 *)malloc((OPJ_SIZE_T)(width * numcomps * sizeof(OPJ_INT32)));
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if (buffer32s == NULL) {
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_TIFFfree(buf);
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TIFFClose(tif);
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@@ -1211,20 +1209,19 @@ opj_image_t* tiftoimage(const char *filename, opj_cparameters_t *parameters)
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TIFF *tif;
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tdata_t buf;
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tstrip_t strip;
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- tsize_t strip_size;
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+ tmsize_t strip_size;
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int j, currentPlane, numcomps = 0, w, h;
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OPJ_COLOR_SPACE color_space = OPJ_CLRSPC_UNKNOWN;
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opj_image_cmptparm_t cmptparm[4]; /* RGBA */
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opj_image_t *image = NULL;
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int has_alpha = 0;
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- unsigned short tiBps, tiPhoto, tiSf, tiSpp, tiPC;
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- unsigned int tiWidth, tiHeight;
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+ uint32 tiBps, tiPhoto, tiSf, tiSpp, tiPC, tiWidth, tiHeight;
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OPJ_BOOL is_cinema = OPJ_IS_CINEMA(parameters->rsiz);
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convert_XXx32s_C1R cvtTifTo32s = NULL;
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convert_32s_CXPX cvtCxToPx = NULL;
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OPJ_INT32* buffer32s = NULL;
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OPJ_INT32* planes[4];
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- OPJ_SIZE_T rowStride;
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+ tmsize_t rowStride;
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tif = TIFFOpen(filename, "r");
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@@ -1243,22 +1240,35 @@ opj_image_t* tiftoimage(const char *filename, opj_cparameters_t *parameters)
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TIFFGetField(tif, TIFFTAG_SAMPLESPERPIXEL, &tiSpp);
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TIFFGetField(tif, TIFFTAG_PHOTOMETRIC, &tiPhoto);
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TIFFGetField(tif, TIFFTAG_PLANARCONFIG, &tiPC);
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- w= (int)tiWidth;
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- h= (int)tiHeight;
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-
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- if(tiBps > 16U) {
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- fprintf(stderr,"tiftoimage: Bits=%d, Only 1 to 16 bits implemented\n",tiBps);
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- fprintf(stderr,"\tAborting\n");
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+
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+ if(tiSpp == 0 || tiSpp > 4) { /* should be 1 ... 4 */
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+ fprintf(stderr,"tiftoimage: Bad value for samples per pixel == %hu.\n"
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+ "\tAborting.\n", tiSpp);
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+ TIFFClose(tif);
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+ return NULL;
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+ }
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+ if(tiBps > 16U || tiBps == 0) {
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+ fprintf(stderr,"tiftoimage: Bad values for Bits == %d.\n"
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+ "\tMax. 16 Bits are allowed here.\n\tAborting.\n",tiBps);
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TIFFClose(tif);
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return NULL;
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}
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if(tiPhoto != PHOTOMETRIC_MINISBLACK && tiPhoto != PHOTOMETRIC_RGB) {
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- fprintf(stderr,"tiftoimage: Bad color format %d.\n\tOnly RGB(A) and GRAY(A) has been implemented\n",(int) tiPhoto);
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+ fprintf(stderr,"tiftoimage: Bad color format %d.\n"
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+ "\tOnly RGB(A) and GRAY(A) has been implemented\n",(int) tiPhoto);
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fprintf(stderr,"\tAborting\n");
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TIFFClose(tif);
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return NULL;
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}
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-
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+ if(tiWidth == 0 || tiHeight == 0) {
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+ fprintf(stderr,"tiftoimage: Bad values for width(%u) "
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+ "and/or height(%u)\n\tAborting.\n",tiWidth,tiHeight);
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+ TIFFClose(tif);
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+ return NULL;
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+ }
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+ w= (int)tiWidth;
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+ h= (int)tiHeight;
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+
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switch (tiBps) {
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case 1:
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case 2:
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@@ -1312,7 +1322,7 @@ opj_image_t* tiftoimage(const char *filename, opj_cparameters_t *parameters)
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TIFFGetFieldDefaulted(tif, TIFFTAG_EXTRASAMPLES,
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&extrasamples, &sampleinfo);
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-
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+
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if(extrasamples >= 1)
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{
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switch(sampleinfo[0])
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@@ -1333,7 +1343,7 @@ opj_image_t* tiftoimage(const char *filename, opj_cparameters_t *parameters)
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else /* extrasamples == 0 */
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if(tiSpp == 4 || tiSpp == 2) has_alpha = 1;
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}
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-
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+
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/* initialize image components */
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memset(&cmptparm[0], 0, 4 * sizeof(opj_image_cmptparm_t));
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@@ -1346,7 +1356,7 @@ opj_image_t* tiftoimage(const char *filename, opj_cparameters_t *parameters)
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} else {
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is_cinema = 0U;
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}
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-
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+
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if(tiPhoto == PHOTOMETRIC_RGB) /* RGB(A) */
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{
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numcomps = 3 + has_alpha;
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@@ -1384,10 +1394,24 @@ opj_image_t* tiftoimage(const char *filename, opj_cparameters_t *parameters)
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image->x0 = (OPJ_UINT32)parameters->image_offset_x0;
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image->y0 = (OPJ_UINT32)parameters->image_offset_y0;
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image->x1 = !image->x0 ? (OPJ_UINT32)(w - 1) * (OPJ_UINT32)subsampling_dx + 1 :
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- image->x0 + (OPJ_UINT32)(w - 1) * (OPJ_UINT32)subsampling_dx + 1;
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+ image->x0 + (OPJ_UINT32)(w - 1) * (OPJ_UINT32)subsampling_dx + 1;
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+ if(image->x1 <= image->x0) {
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+ fprintf(stderr,"tiftoimage: Bad value for image->x1(%d) vs. "
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+ "image->x0(%d)\n\tAborting.\n",image->x1,image->x0);
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+ TIFFClose(tif);
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+ opj_image_destroy(image);
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+ return NULL;
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+ }
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image->y1 = !image->y0 ? (OPJ_UINT32)(h - 1) * (OPJ_UINT32)subsampling_dy + 1 :
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- image->y0 + (OPJ_UINT32)(h - 1) * (OPJ_UINT32)subsampling_dy + 1;
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-
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+ image->y0 + (OPJ_UINT32)(h - 1) * (OPJ_UINT32)subsampling_dy + 1;
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+ if(image->y1 <= image->y0) {
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+ fprintf(stderr,"tiftoimage: Bad value for image->y1(%d) vs. "
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+ "image->y0(%d)\n\tAborting.\n",image->y1,image->y0);
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+ TIFFClose(tif);
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+ opj_image_destroy(image);
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+ return NULL;
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+ }
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+
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for(j = 0; j < numcomps; j++)
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{
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planes[j] = image->comps[j].data;
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@@ -1395,15 +1419,15 @@ opj_image_t* tiftoimage(const char *filename, opj_cparameters_t *parameters)
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image->comps[numcomps - 1].alpha = (OPJ_UINT16)(1 - (numcomps & 1));
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strip_size = TIFFStripSize(tif);
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-
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+
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buf = _TIFFmalloc(strip_size);
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if (buf == NULL) {
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TIFFClose(tif);
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opj_image_destroy(image);
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return NULL;
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}
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- rowStride = ((OPJ_SIZE_T)w * tiSpp * tiBps + 7U) / 8U;
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- buffer32s = (OPJ_INT32 *)malloc((OPJ_SIZE_T)w * tiSpp * sizeof(OPJ_INT32));
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+ rowStride = (w * tiSpp * tiBps + 7U) / 8U;
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+ buffer32s = (OPJ_INT32 *)malloc((OPJ_SIZE_T)(w * tiSpp * sizeof(OPJ_INT32)));
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if (buffer32s == NULL) {
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_TIFFfree(buf);
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TIFFClose(tif);
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@@ -1421,11 +1445,20 @@ opj_image_t* tiftoimage(const char *filename, opj_cparameters_t *parameters)
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for(; (h > 0) && (strip < TIFFNumberOfStrips(tif)); strip++)
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{
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const OPJ_UINT8 *dat8;
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- OPJ_SIZE_T ssize;
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+ tmsize_t ssize;
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- ssize = (OPJ_SIZE_T)TIFFReadEncodedStrip(tif, strip, buf, strip_size);
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+ ssize = TIFFReadEncodedStrip(tif, strip, buf, strip_size);
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+ if(ssize < 1 || ssize > strip_size) {
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+ fprintf(stderr,"tiftoimage: Bad value for ssize(%ld) "
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+ "vs. strip_size(%ld).\n\tAborting.\n",ssize,strip_size);
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+ _TIFFfree(buf);
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+ _TIFFfree(buffer32s);
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+ TIFFClose(tif);
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+ opj_image_destroy(image);
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+ return NULL;
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+ }
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dat8 = (const OPJ_UINT8*)buf;
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-
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+
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while (ssize >= rowStride) {
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cvtTifTo32s(dat8, buffer32s, (OPJ_SIZE_T)w * tiSpp);
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cvtCxToPx(buffer32s, planes, (OPJ_SIZE_T)w);
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