Signed-off-by: Stefan Schantl stefan.schantl@ipfire.org --- netpbm/netpbm.nm | 42 +- netpbm/patches/netpbm-CAN-2005-2471.patch | 16 + netpbm/patches/netpbm-python3.patch | 21 + netpbm/patches/netpbm-security-code.patch | 1432 ++++++++++++++++++ netpbm/patches/netpbm-security-scripts.patch | 369 +++++ 5 files changed, 1871 insertions(+), 9 deletions(-) create mode 100644 netpbm/patches/netpbm-CAN-2005-2471.patch create mode 100644 netpbm/patches/netpbm-python3.patch create mode 100644 netpbm/patches/netpbm-security-code.patch create mode 100644 netpbm/patches/netpbm-security-scripts.patch
diff --git a/netpbm/netpbm.nm b/netpbm/netpbm.nm index 32cb27c87..07c49295c 100644 --- a/netpbm/netpbm.nm +++ b/netpbm/netpbm.nm @@ -4,7 +4,7 @@ ###############################################################################
name = netpbm -version = 10.71.02 +version = 10.73.41 release = 1
groups = System/Libraries @@ -19,28 +19,52 @@ description .ppm (portable pixmaps) and others. end
-sources = %{thisapp}.tar.xz +source_dl = https://netcologne.dl.sourceforge.net/project/netpbm/super_stable/%%7Bversio... +sources = %{thisapp}.tgz
build requires + /usr/bin/perl + perl(English) + perl(Time::gmtime) flex - ghostscript libjpeg-devel libpng-devel libtiff-devel - libX11-devel libxml2-devel - perl + zlib-devel end
- build - yes "" | ./configure + prepare_cmds + # Create config file. + cp -avf config.mk.in config.mk + + # Enable fPIC. + echo 'CFLAGS_SHLIB = -fPIC' >> config.mk + + # Disable static libs. + echo 'STATICLIB_TOO = N' >> config.mk + + # Link to libtiff, libjpeg, libpng and libz. + echo 'TIFFLIB = libtiff.so' >> config.mk + echo 'JPEGLIB = libjpeg.so' >> config.mk + echo 'PNGLIB = libpng.so' >> config.mk + echo 'ZLIB = libz.so' >> config.mk
- make \ + # Define include directorys for the linked libraries. + echo 'TIFFHDR_DIR = %{includedir}' >> config.mk + echo 'JPEGHDR_DIR = %{includedir}' >> config.mk + echo 'PNGHDR_DIR = %{includedir}' >> config.mk + echo 'ZHDR_DIR = %{includedir}' >> config.mk + end + + build + make %{PARALLELISMFLAGS} \ LDFLAGS="%{LDFLAGS} -L$(pwd)/pbm -L$(pwd)/pgm -L$(pwd)/pnm -L$(pwd)/ppm" \ CFLAGS="%{CFLAGS} -flax-vector-conversions -fno-strict-aliasing" \ LADD="-lm" \ - LINUXSVGALIB="NONE" + LINUXSVGALIB="NONE" \ + X11LIB="NONE" end
install diff --git a/netpbm/patches/netpbm-CAN-2005-2471.patch b/netpbm/patches/netpbm-CAN-2005-2471.patch new file mode 100644 index 000000000..e4e93735b --- /dev/null +++ b/netpbm/patches/netpbm-CAN-2005-2471.patch @@ -0,0 +1,16 @@ +--- netpbm-10.29/converter/other/pstopnm.c.CAN-2005-2471 2005-08-15 02:39:46.000000000 +0200 ++++ netpbm-10.29/converter/other/pstopnm.c 2005-08-16 15:38:15.000000000 +0200 +@@ -818,11 +818,11 @@ + ghostscriptProg, arg0, + deviceopt, outfileopt, gopt, ropt, textalphabitsopt, + "-q", "-dNOPAUSE", +- "-dSAFER", "-"); ++ "-dPARANOIDSAFER", "-"); + } + + execl(ghostscriptProg, arg0, deviceopt, outfileopt, gopt, ropt, +- textalphabitsopt, "-q", "-dNOPAUSE", "-dSAFER", "-", NULL); ++ textalphabitsopt, "-q", "-dNOPAUSE", "-dPARANOIDSAFER", "-", NULL); + + pm_error("execl() of Ghostscript ('%s') failed, errno=%d (%s)", + ghostscriptProg, errno, strerror(errno)); diff --git a/netpbm/patches/netpbm-python3.patch b/netpbm/patches/netpbm-python3.patch new file mode 100644 index 000000000..d383b17cb --- /dev/null +++ b/netpbm/patches/netpbm-python3.patch @@ -0,0 +1,21 @@ +diff -Nur a/buildtools/makeman b/buildtools/makeman +--- a/buildtools/makeman 2019-06-29 01:07:55.000000000 +0200 ++++ b/buildtools/makeman 2023-02-21 09:06:40.587559363 +0100 +@@ -1,4 +1,4 @@ +-#!/usr/bin/python ++#!/usr/bin/python3 + # + # makeman -- compile netpbm's stereotyped HTML to troff markup + # +diff -Nur a/buildtools/manpage.mk b/buildtools/manpage.mk +--- a/buildtools/manpage.mk 2019-06-29 01:07:55.000000000 +0200 ++++ b/buildtools/manpage.mk 2023-02-21 09:07:20.566188386 +0100 +@@ -377,7 +377,7 @@ + + # Make man pages -- reports bad lines to standard error. + manpages: +- @python $(MAKEMAN) -d $(USERGUIDE) index.html $(HTMLMANUALS) ++ @python3 $(MAKEMAN) -d $(USERGUIDE) index.html $(HTMLMANUALS) + @mv index.1 netpbm.1 + + # Make XML pages, and validate them. diff --git a/netpbm/patches/netpbm-security-code.patch b/netpbm/patches/netpbm-security-code.patch new file mode 100644 index 000000000..9e2e259f5 --- /dev/null +++ b/netpbm/patches/netpbm-security-code.patch @@ -0,0 +1,1432 @@ +diff --git a/analyzer/pgmtexture.c b/analyzer/pgmtexture.c +index 0731733..635c58b 100644 +--- a/analyzer/pgmtexture.c ++++ b/analyzer/pgmtexture.c +@@ -98,6 +98,8 @@ vector(unsigned int const nl, + + assert(nh >= nl); + ++ overflow_add(nh - nl, 1); ++ + MALLOCARRAY(v, (unsigned) (nh - nl + 1)); + + if (v == NULL) +@@ -129,6 +131,7 @@ matrix (unsigned int const nrl, + assert(nrh >= nrl); + + /* allocate pointers to rows */ ++ overflow_add(nrh - nrl, 1); + MALLOCARRAY(m, (unsigned) (nrh - nrl + 1)); + if (m == NULL) + pm_error("Unable to allocate memory for a matrix."); +@@ -137,6 +140,7 @@ matrix (unsigned int const nrl, + + assert (nch >= ncl); + ++ overflow_add(nch - ncl, 1); + /* allocate rows and set pointers to them */ + for (i = nrl; i <= nrh; ++i) { + MALLOCARRAY(m[i], (unsigned) (nch - ncl + 1)); +diff --git a/converter/other/gemtopnm.c b/converter/other/gemtopnm.c +index aac7479..5f1a51a 100644 +--- a/converter/other/gemtopnm.c ++++ b/converter/other/gemtopnm.c +@@ -106,6 +106,7 @@ main(argc, argv) + + pnm_writepnminit( stdout, cols, rows, MAXVAL, type, 0 ); + ++ overflow_add(cols, padright); + { + /* allocate input row data structure */ + int plane; +diff --git a/converter/other/jpegtopnm.c b/converter/other/jpegtopnm.c +index ab3b18e..c324b86 100644 +--- a/converter/other/jpegtopnm.c ++++ b/converter/other/jpegtopnm.c +@@ -861,6 +861,8 @@ convertImage(FILE * const ofP, + /* Calculate output image dimensions so we can allocate space */ + jpeg_calc_output_dimensions(cinfoP); + ++ overflow2(cinfoP->output_width, cinfoP->output_components); ++ + /* Start decompressor */ + jpeg_start_decompress(cinfoP); + +diff --git a/converter/other/pbmtopgm.c b/converter/other/pbmtopgm.c +index 69b20fb..382a487 100644 +--- a/converter/other/pbmtopgm.c ++++ b/converter/other/pbmtopgm.c +@@ -47,6 +47,7 @@ main(int argc, char *argv[]) { + "than the image height (%u rows)", height, rows); + + outrow = pgm_allocrow(cols) ; ++ overflow2(width, height); + maxval = MIN(PGM_OVERALLMAXVAL, width*height); + pgm_writepgminit(stdout, cols, rows, maxval, 0) ; + +diff --git a/converter/other/pnmtoddif.c b/converter/other/pnmtoddif.c +index ae8c852..9ee037b 100644 +--- a/converter/other/pnmtoddif.c ++++ b/converter/other/pnmtoddif.c +@@ -632,6 +632,7 @@ main(int argc, char *argv[]) { + switch (PNM_FORMAT_TYPE(format)) { + case PBM_TYPE: + ip.bits_per_pixel = 1; ++ overflow_add(cols, 7); + ip.bytes_per_line = (cols + 7) / 8; + ip.spectral = 2; + ip.components = 1; +@@ -647,6 +648,7 @@ main(int argc, char *argv[]) { + ip.polarity = 2; + break; + case PPM_TYPE: ++ overflow2(cols, 3); + ip.bytes_per_line = 3 * cols; + ip.bits_per_pixel = 24; + ip.spectral = 5; +diff --git a/converter/other/pnmtojpeg.c b/converter/other/pnmtojpeg.c +index ce231c9..1279040 100644 +--- a/converter/other/pnmtojpeg.c ++++ b/converter/other/pnmtojpeg.c +@@ -605,7 +605,11 @@ read_scan_script(j_compress_ptr const cinfo, + want JPOOL_PERMANENT. + */ + const unsigned int scan_info_size = nscans * sizeof(jpeg_scan_info); +- jpeg_scan_info * const scan_info = ++ const jpeg_scan_info * scan_info; ++ ++ overflow2(nscans, sizeof(jpeg_scan_info)); ++ ++ scan_info = + (jpeg_scan_info *) + (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, + scan_info_size); +@@ -937,6 +941,8 @@ compute_rescaling_array(JSAMPLE ** const rescale_p, const pixval maxval, + const long half_maxval = maxval / 2; + long val; + ++ overflow_add(maxval, 1); ++ overflow2(maxval+1, sizeof(JSAMPLE)); + *rescale_p = (JSAMPLE *) + (cinfo.mem->alloc_small) ((j_common_ptr) &cinfo, JPOOL_IMAGE, + (size_t) (((long) maxval + 1L) * +@@ -1015,6 +1021,7 @@ convert_scanlines(struct jpeg_compress_struct * const cinfo_p, + */ + + /* Allocate the libpnm output and compressor input buffers */ ++ overflow2(cinfo_p->image_width, cinfo_p->input_components); + buffer = (*cinfo_p->mem->alloc_sarray) + ((j_common_ptr) cinfo_p, JPOOL_IMAGE, + (unsigned int) cinfo_p->image_width * cinfo_p->input_components, +diff --git a/converter/other/pnmtops.c b/converter/other/pnmtops.c +index 6cd6be9..8a7d25a 100644 +--- a/converter/other/pnmtops.c ++++ b/converter/other/pnmtops.c +@@ -292,17 +292,21 @@ parseCommandLine(int argc, const char ** argv, + validateCompDimension(width, 72, "-width value"); + validateCompDimension(height, 72, "-height value"); + ++ overflow2(width, 72); + cmdlineP->width = width * 72; ++ overflow2(height, 72); + cmdlineP->height = height * 72; + + if (imagewidthSpec) { + validateCompDimension(imagewidth, 72, "-imagewidth value"); ++ overflow2(imagewidth, 72); + cmdlineP->imagewidth = imagewidth * 72; + } + else + cmdlineP->imagewidth = 0; + if (imageheightSpec) { +- validateCompDimension(imagewidth, 72, "-imageheight value"); ++ validateCompDimension(imageheight, 72, "-imageheight value"); ++ overflow2(imageheight, 72); + cmdlineP->imageheight = imageheight * 72; + } + else +diff --git a/converter/other/rletopnm.c b/converter/other/rletopnm.c +index 9995914..058278c 100644 +--- a/converter/other/rletopnm.c ++++ b/converter/other/rletopnm.c +@@ -19,6 +19,8 @@ + * If you modify this software, you should include a notice giving the + * name of the person performing the modification, the date of modification, + * and the reason for such modification. ++ * ++ * 2002-12-19: Fix maths wrapping bugs. Alan Cox alan@redhat.com + */ + /* + * rletopnm - A conversion program to convert from Utah's "rle" image format +diff --git a/converter/other/sirtopnm.c b/converter/other/sirtopnm.c +index fafcc91..9fe49d0 100644 +--- a/converter/other/sirtopnm.c ++++ b/converter/other/sirtopnm.c +@@ -69,6 +69,7 @@ char* argv[]; + } + break; + case PPM_TYPE: ++ overflow3(cols, rows, 3); + picsize = cols * rows * 3; + planesize = cols * rows; + if ( !( sirarray = (unsigned char*) malloc( picsize ) ) ) +diff --git a/converter/other/tifftopnm.c b/converter/other/tifftopnm.c +index 0d6494f..19e9e38 100644 +--- a/converter/other/tifftopnm.c ++++ b/converter/other/tifftopnm.c +@@ -1309,7 +1309,9 @@ convertRasterByRows(pnmOut * const pnmOutP, + if (scanbuf == NULL) + pm_error("can't allocate memory for scanline buffer"); + +- MALLOCARRAY(samplebuf, cols * spp); ++ /* samplebuf is unsigned int * !!! */ ++ samplebuf = (unsigned int *) malloc3(cols , sizeof(unsigned int) , spp); ++ + if (samplebuf == NULL) + pm_error("can't allocate memory for row buffer"); + +diff --git a/converter/other/xwdtopnm.c b/converter/other/xwdtopnm.c +index 45d66b4..c914481 100644 +--- a/converter/other/xwdtopnm.c ++++ b/converter/other/xwdtopnm.c +@@ -209,6 +209,10 @@ processX10Header(X10WDFileHeader * const h10P, + *colorsP = pnm_allocrow(2); + PNM_ASSIGN1((*colorsP)[0], 0); + PNM_ASSIGN1((*colorsP)[1], *maxvalP); ++ overflow_add(h10P->pixmap_width, 15); ++ if(h10P->pixmap_width < 0) ++ pm_error("assert: negative width"); ++ overflow2((((h10P->pixmap_width + 15) / 16) * 16 - h10P->pixmap_width), 8); + *padrightP = + (((h10P->pixmap_width + 15) / 16) * 16 - h10P->pixmap_width) * 8; + *bits_per_itemP = 16; +@@ -634,6 +638,7 @@ processX11Header(X11WDFileHeader * const h11P, + + *colsP = h11FixedP->pixmap_width; + *rowsP = h11FixedP->pixmap_height; ++ overflow2(h11FixedP->bytes_per_line, 8); + *padrightP = + h11FixedP->bytes_per_line * 8 - + h11FixedP->pixmap_width * h11FixedP->bits_per_pixel; +diff --git a/converter/pbm/mdatopbm.c b/converter/pbm/mdatopbm.c +index d8e0657..12c7468 100644 +--- a/converter/pbm/mdatopbm.c ++++ b/converter/pbm/mdatopbm.c +@@ -245,10 +245,13 @@ main(int argc, char **argv) { + pm_readlittleshort(infile, &yy); nInCols = yy; + } + ++ overflow2(nOutCols, 8); + nOutCols = 8 * nInCols; + nOutRows = nInRows; +- if (bScale) ++ if (bScale) { ++ overflow2(nOutRows, 2); + nOutRows *= 2; ++ } + + data = pbm_allocarray(nOutCols, nOutRows); + +diff --git a/converter/pbm/mgrtopbm.c b/converter/pbm/mgrtopbm.c +index 9f7004a..60e8477 100644 +--- a/converter/pbm/mgrtopbm.c ++++ b/converter/pbm/mgrtopbm.c +@@ -65,6 +65,8 @@ readMgrHeader(FILE * const ifP, + pad = 0; /* should never reach here */ + } + ++ overflow_add(*colsP, pad); ++ + interpHdrWidth (head, colsP); + interpHdrHeight(head, rowsP); + +diff --git a/converter/pbm/pbmto4425.c b/converter/pbm/pbmto4425.c +index 1d97ac6..c4c8cbb 100644 +--- a/converter/pbm/pbmto4425.c ++++ b/converter/pbm/pbmto4425.c +@@ -2,6 +2,7 @@ + + #include "nstring.h" + #include "pbm.h" ++#include <string.h> + + static char bit_table[2][3] = { + {1, 4, 0x10}, +@@ -160,7 +161,7 @@ main(int argc, char * argv[]) { + xres = vmap_width * 2; + yres = vmap_height * 3; + +- vmap = malloc(vmap_width * vmap_height * sizeof(char)); ++ vmap = malloc3(vmap_width, vmap_height, sizeof(char)); + if(vmap == NULL) + { + pm_error( "Cannot allocate memory" ); +diff --git a/converter/pbm/pbmtogem.c b/converter/pbm/pbmtogem.c +index 9eab041..13b0257 100644 +--- a/converter/pbm/pbmtogem.c ++++ b/converter/pbm/pbmtogem.c +@@ -79,6 +79,7 @@ putinit (int const rows, int const cols) + bitsperitem = 0; + bitshift = 7; + outcol = 0; ++ overflow_add(cols, 7); + outmax = (cols + 7) / 8; + outrow = (unsigned char *) pm_allocrow (outmax, sizeof (unsigned char)); + lastrow = (unsigned char *) pm_allocrow (outmax, sizeof (unsigned char)); +diff --git a/converter/pbm/pbmtogo.c b/converter/pbm/pbmtogo.c +index 23b2ee9..d2ee91f 100644 +--- a/converter/pbm/pbmtogo.c ++++ b/converter/pbm/pbmtogo.c +@@ -158,6 +158,7 @@ main(int argc, + bitrow = pbm_allocrow(cols); + + /* Round cols up to the nearest multiple of 8. */ ++ overflow_add(cols, 7); + rucols = ( cols + 7 ) / 8; + bytesperrow = rucols; /* GraphOn uses bytes */ + rucols = rucols * 8; +diff --git a/converter/pbm/pbmtolj.c b/converter/pbm/pbmtolj.c +index 0cceb4f..fdab6df 100644 +--- a/converter/pbm/pbmtolj.c ++++ b/converter/pbm/pbmtolj.c +@@ -120,7 +120,11 @@ parseCommandLine(int argc, char ** argv, + static void + allocateBuffers(unsigned int const cols) { + ++ overflow_add(cols, 8); + rowBufferSize = (cols + 7) / 8; ++ overflow_add(rowBufferSize, 128); ++ overflow_add(rowBufferSize, rowBufferSize+128); ++ overflow_add(rowBufferSize+10, rowBufferSize/8); + packBufferSize = rowBufferSize + (rowBufferSize + 127) / 128 + 1; + deltaBufferSize = rowBufferSize + rowBufferSize / 8 + 10; + +diff --git a/converter/pbm/pbmtomda.c b/converter/pbm/pbmtomda.c +index 3ad5149..9efe5cf 100644 +--- a/converter/pbm/pbmtomda.c ++++ b/converter/pbm/pbmtomda.c +@@ -179,6 +179,7 @@ int main(int argc, char **argv) + + nOutRowsUnrounded = bScale ? nInRows/2 : nInRows; + ++ overflow_add(nOutRowsUnrounded, 3); + nOutRows = ((nOutRowsUnrounded + 3) / 4) * 4; + /* MDA wants rows a multiple of 4 */ + nOutCols = nInCols / 8; +diff --git a/converter/pbm/pbmtoppa/pbm.c b/converter/pbm/pbmtoppa/pbm.c +index 2f8a42b..1c8d236 100644 +--- a/converter/pbm/pbmtoppa/pbm.c ++++ b/converter/pbm/pbmtoppa/pbm.c +@@ -106,6 +106,7 @@ int pbm_readline(pbm_stat* pbm,unsigned char* data) + return 0; + + case P4: ++ overflow_add(pbm->width, 7); + tmp=(pbm->width+7)/8; + tmp2=fread(data,1,tmp,pbm->fptr); + if(tmp2 == tmp) +@@ -130,6 +131,7 @@ void pbm_unreadline (pbm_stat *pbm, void *data) + return; + + pbm->unread = 1; ++ overflow_add(pbm->width, 7); + pbm->revdata = malloc ((pbm->width+7)/8); + memcpy (pbm->revdata, data, (pbm->width+7)/8); + pbm->current_line--; +diff --git a/converter/pbm/pbmtoppa/pbmtoppa.c b/converter/pbm/pbmtoppa/pbmtoppa.c +index f43c08a..98e0284 100644 +--- a/converter/pbm/pbmtoppa/pbmtoppa.c ++++ b/converter/pbm/pbmtoppa/pbmtoppa.c +@@ -452,6 +452,7 @@ main(int argc, char *argv[]) { + pm_error("main(): unrecognized parameter '%s'", argv[argn]); + } + ++ overflow_add(Width, 7); + Pwidth=(Width+7)/8; + printer.fptr=out; + +diff --git a/converter/pbm/pbmtoxbm.c b/converter/pbm/pbmtoxbm.c +index 14c6b85..362b70e 100644 +--- a/converter/pbm/pbmtoxbm.c ++++ b/converter/pbm/pbmtoxbm.c +@@ -351,6 +351,8 @@ convertRaster(FILE * const ifP, + + unsigned char * bitrow; + unsigned int row; ++ ++ overflow_add(cols, padright); + + putinit(xbmVersion); + +diff --git a/converter/pbm/pktopbm.c b/converter/pbm/pktopbm.c +index 712f339..b6fcb02 100644 +--- a/converter/pbm/pktopbm.c ++++ b/converter/pbm/pktopbm.c +@@ -280,6 +280,7 @@ main(int argc, char *argv[]) { + if (flagbyte == 7) { /* long form preamble */ + integer packetlength = get32() ; /* character packet length */ + car = get32() ; /* character number */ ++ overflow_add(packetlength, pktopbm_pkloc); + endofpacket = packetlength + pktopbm_pkloc; + /* calculate end of packet */ + if ((car >= MAXPKCHAR) || !filename[car]) { +diff --git a/converter/pbm/thinkjettopbm.l b/converter/pbm/thinkjettopbm.l +index 5de4f2b..7f31de5 100644 +--- a/converter/pbm/thinkjettopbm.l ++++ b/converter/pbm/thinkjettopbm.l +@@ -114,7 +114,9 @@ DIG [0-9] + <RASTERMODE>\033*b{DIG}+W { + int l; + if (rowCount >= rowCapacity) { +- rowCapacity += 100; ++ overflow_add(rowCapacity, 100); ++ rowCapacity += 100; ++ overflow2(rowCapacity, sizeof *rows); + rows = realloc (rows, rowCapacity * sizeof *rows); + if (rows == NULL) + pm_error ("Out of memory."); +@@ -226,6 +228,8 @@ yywrap (void) + /* + * Quite simple since ThinkJet bit arrangement matches PBM + */ ++ ++ overflow2(maxRowLength, 8); + pbm_writepbminit(stdout, maxRowLength*8, rowCount, 0); + + packed_bitrow = malloc(maxRowLength); +diff --git a/converter/pbm/ybmtopbm.c b/converter/pbm/ybmtopbm.c +index 2a42908..cf1ff03 100644 +--- a/converter/pbm/ybmtopbm.c ++++ b/converter/pbm/ybmtopbm.c +@@ -43,6 +43,7 @@ getinit(FILE * const ifP, + pm_error("EOF / read error"); + + *depthP = 1; ++ overflow_add(*colsP, 15); + } + + +diff --git a/converter/pgm/lispmtopgm.c b/converter/pgm/lispmtopgm.c +index 40dd3fb..b5469f7 100644 +--- a/converter/pgm/lispmtopgm.c ++++ b/converter/pgm/lispmtopgm.c +@@ -58,6 +58,7 @@ main( argc, argv ) + pm_error( "depth (%d bits) is too large", depth); + + pgm_writepgminit( stdout, cols, rows, (gray) maxval, 0 ); ++ overflow_add(cols, 7); + grayrow = pgm_allocrow( ( cols + 7 ) / 8 * 8 ); + + for ( row = 0; row < rows; ++row ) +@@ -102,6 +103,8 @@ getinit( file, colsP, rowsP, depthP, padrightP ) + + if ( *depthP == 0 ) + *depthP = 1; /* very old file */ ++ ++ overflow_add((int)colsP, 31); + + *padrightP = ( ( *colsP + 31 ) / 32 ) * 32 - *colsP; + +diff --git a/converter/pgm/psidtopgm.c b/converter/pgm/psidtopgm.c +index 07417d1..25bb311 100644 +--- a/converter/pgm/psidtopgm.c ++++ b/converter/pgm/psidtopgm.c +@@ -78,6 +78,7 @@ main(int argc, + pm_error("bits/sample (%d) is too large.", bitspersample); + + pgm_writepgminit(stdout, cols, rows, maxval, 0); ++ overflow_add(cols, 7); + grayrow = pgm_allocrow((cols + 7) / 8 * 8); + for (row = 0; row < rows; ++row) { + unsigned int col; +diff --git a/converter/ppm/Makefile b/converter/ppm/Makefile +index 09f05cd..f68170f 100644 +--- a/converter/ppm/Makefile ++++ b/converter/ppm/Makefile +@@ -11,7 +11,7 @@ SUBDIRS = hpcdtoppm + + PORTBINARIES = 411toppm eyuvtoppm gouldtoppm ilbmtoppm imgtoppm \ + leaftoppm mtvtoppm neotoppm \ +- pcxtoppm pc1toppm pi1toppm picttoppm pjtoppm \ ++ pcxtoppm pc1toppm pi1toppm pjtoppm \ + ppmtoacad ppmtoapplevol ppmtoarbtxt ppmtoascii \ + ppmtobmp ppmtoeyuv ppmtogif ppmtoicr ppmtoilbm \ + ppmtoleaf ppmtolj ppmtomitsu ppmtoneo \ +diff --git a/converter/ppm/ilbmtoppm.c b/converter/ppm/ilbmtoppm.c +index 662be0b..2a86efc 100644 +--- a/converter/ppm/ilbmtoppm.c ++++ b/converter/ppm/ilbmtoppm.c +@@ -606,6 +606,7 @@ decode_row(FILE * const ifP, + rawtype *chp; + + cols = bmhdP->w; ++ overflow_add(cols, 15); + bytes = RowBytes(cols); + for( plane = 0; plane < nPlanes; plane++ ) { + int mask; +@@ -693,6 +694,23 @@ decode_mask(FILE * const ifP, + Multipalette handling + ****************************************************************************/ + ++static void * ++xmalloc2(x, y) ++ int x; ++ int y; ++{ ++ void *mem; ++ ++ overflow2(x,y); ++ if( x * y == 0 ) ++ return NULL; ++ ++ mem = malloc2(x,y); ++ if( mem == NULL ) ++ pm_error("out of memory allocating %d bytes", x * y); ++ return mem; ++} ++ + + static void + multi_adjust(cmap, row, palchange) +@@ -1355,6 +1373,9 @@ dcol_to_ppm(FILE * const ifP, + if( redmaxval != maxval || greenmaxval != maxval || bluemaxval != maxval ) + pm_message("scaling colors to %d bits", pm_maxvaltobits(maxval)); + ++ overflow_add(redmaxval, 1); ++ overflow_add(greenmaxval, 1); ++ overflow_add(bluemaxval, 1); + MALLOCARRAY_NOFAIL(redtable, redmaxval +1); + MALLOCARRAY_NOFAIL(greentable, greenmaxval +1); + MALLOCARRAY_NOFAIL(bluetable, bluemaxval +1); +@@ -1784,7 +1805,9 @@ PCHG_ConvertSmall(PCHG, cmap, mask, datasize) + ChangeCount32 = *data++; + datasize -= 2; + ++ overflow_add(ChangeCount16, ChangeCount32); + changes = ChangeCount16 + ChangeCount32; ++ overflow_add(changes, 1); + for( i = 0; i < changes; i++ ) { + if( totalchanges >= PCHG->TotalChanges ) goto fail; + if( datasize < 2 ) goto fail; +@@ -2049,6 +2072,9 @@ read_pchg(FILE * const ifP, + cmap->mp_change[i] = NULL; + if( PCHG.StartLine < 0 ) { + int nch; ++ if(PCHG.MaxReg < PCHG.MinReg) ++ pm_error("assert: MinReg > MaxReg"); ++ overflow_add(PCHG.MaxReg-PCHG.MinReg, 2); + nch = PCHG.MaxReg - PCHG.MinReg +1; + MALLOCARRAY_NOFAIL(cmap->mp_init, nch + 1); + for( i = 0; i < nch; i++ ) +@@ -2125,6 +2151,7 @@ process_body( FILE * const ifP, + if (typeid == ID_ILBM) { + int isdeep; + ++ overflow_add(bmhdP->w, 15); + MALLOCARRAY_NOFAIL(ilbmrow, RowBytes(bmhdP->w)); + *viewportmodesP |= fakeviewport; /* -isham/-isehb */ + +diff --git a/converter/ppm/imgtoppm.c b/converter/ppm/imgtoppm.c +index 7078b88..eb8509e 100644 +--- a/converter/ppm/imgtoppm.c ++++ b/converter/ppm/imgtoppm.c +@@ -84,6 +84,7 @@ main(int argc, char ** argv) { + len = atoi((char*) buf ); + if ( fread( buf, len, 1, ifp ) != 1 ) + pm_error( "bad colormap buf" ); ++ overflow2(cmaplen, 3); + if ( cmaplen * 3 != len ) + { + pm_message( +@@ -105,6 +106,7 @@ main(int argc, char ** argv) { + pm_error( "bad pixel data header" ); + buf[8] = '\0'; + len = atoi((char*) buf ); ++ overflow2(cols, rows); + if ( len != cols * rows ) + pm_message( + "pixel data length (%d) does not match image size (%d)", +diff --git a/converter/ppm/pcxtoppm.c b/converter/ppm/pcxtoppm.c +index e252ba2..270ae3b 100644 +--- a/converter/ppm/pcxtoppm.c ++++ b/converter/ppm/pcxtoppm.c +@@ -409,6 +409,7 @@ pcx_planes_to_pixels(pixels, bitplanes, bytesperline, planes, bitsperpixel) + /* + * clear the pixel buffer + */ ++ overflow2(bytesperline, 8); + npixels = (bytesperline * 8) / bitsperpixel; + p = pixels; + while (--npixels >= 0) +@@ -470,6 +471,7 @@ pcx_16col_to_ppm(FILE * const ifP, + } + + /* BytesPerLine should be >= BitsPerPixel * cols / 8 */ ++ overflow2(BytesPerLine, 8); + rawcols = BytesPerLine * 8 / BitsPerPixel; + if (headerCols > rawcols) { + pm_message("warning - BytesPerLine = %d, " +diff --git a/converter/ppm/picttoppm.c b/converter/ppm/picttoppm.c +index 828d527..8cdb7b3 100644 +--- a/converter/ppm/picttoppm.c ++++ b/converter/ppm/picttoppm.c +@@ -1,3 +1,4 @@ ++#error "Unfixable. Don't ship me" + /* + * picttoppm.c -- convert a MacIntosh PICT file to PPM format. + * +diff --git a/converter/ppm/pjtoppm.c b/converter/ppm/pjtoppm.c +index 7b694fb..62ce77e 100644 +--- a/converter/ppm/pjtoppm.c ++++ b/converter/ppm/pjtoppm.c +@@ -127,20 +127,22 @@ main(argc, argv) + case 'V': /* send plane */ + case 'W': /* send last plane */ + if (rows == -1 || r >= rows || image == NULL) { +- if (rows == -1 || r >= rows) ++ if (rows == -1 || r >= rows) { ++ overflow_add(rows, 100); + rows += 100; ++ } ++ + if (image == NULL) { +- MALLOCARRAY(image, rows * planes); +- MALLOCARRAY(imlen, rows * planes); ++ image = (unsigned char **) ++ malloc3(rows , planes , sizeof(unsigned char *)); ++ imlen = (int *) malloc3(rows , planes, sizeof(int)); + } + else { +- image = (unsigned char **) +- realloc(image, +- rows * planes * +- sizeof(unsigned char *)); +- imlen = (int *) +- realloc(imlen, rows * planes * sizeof(int)); +- } ++ overflow2(rows,planes); ++ image = (unsigned char **) ++ realloc2(image, rows * planes, ++ sizeof(unsigned char *)); ++ imlen = (int *) realloc2(imlen, rows * planes, sizeof(int)); } + } + if (image == NULL || imlen == NULL) + pm_error("out of memory"); +@@ -212,8 +214,10 @@ main(argc, argv) + for (i = 0, c = 0; c < imlen[p + r * planes]; c += 2) + for (cmd = image[p + r * planes][c], + val = image[p + r * planes][c+1]; +- cmd >= 0 && i < newcols; cmd--, i++) ++ cmd >= 0 && i < newcols; cmd--, i++) { + buf[i] = val; ++ overflow_add(i, 1); ++ } + cols = cols > i ? cols : i; + free(image[p + r * planes]); + /* +@@ -224,6 +228,7 @@ main(argc, argv) + image[p + r * planes] = (unsigned char *) realloc(buf, i); + } + } ++ overflow2(cols, 8); + cols *= 8; + } + +diff --git a/converter/ppm/ppmtoeyuv.c b/converter/ppm/ppmtoeyuv.c +index f5ce115..6f072be 100644 +--- a/converter/ppm/ppmtoeyuv.c ++++ b/converter/ppm/ppmtoeyuv.c +@@ -114,6 +114,7 @@ create_multiplication_tables(const pixval maxval) { + + int index; + ++ overflow_add(maxval, 1); + MALLOCARRAY_NOFAIL(mult299 , maxval+1); + MALLOCARRAY_NOFAIL(mult587 , maxval+1); + MALLOCARRAY_NOFAIL(mult114 , maxval+1); +diff --git a/converter/ppm/ppmtolj.c b/converter/ppm/ppmtolj.c +index 7ed814e..b4e7db1 100644 +--- a/converter/ppm/ppmtolj.c ++++ b/converter/ppm/ppmtolj.c +@@ -182,6 +182,7 @@ int main(int argc, char *argv[]) { + ppm_readppminit( ifp, &cols, &rows, &maxval, &format ); + pixelrow = ppm_allocrow( cols ); + ++ overflow2(cols, 6); + obuf = (unsigned char *) pm_allocrow(cols * 3, sizeof(unsigned char)); + cbuf = (unsigned char *) pm_allocrow(cols * 6, sizeof(unsigned char)); + if (mode == C_TRANS_MODE_DELTA) +diff --git a/converter/ppm/ppmtomitsu.c b/converter/ppm/ppmtomitsu.c +index e59f09b..1d2be20 100644 +--- a/converter/ppm/ppmtomitsu.c ++++ b/converter/ppm/ppmtomitsu.c +@@ -685,6 +685,8 @@ main(int argc, char * argv[]) { + medias = MSize_User; + + if (dpi300) { ++ overflow2(medias.maxcols, 2); ++ overflow2(medias.maxrows, 2); + medias.maxcols *= 2; + medias.maxrows *= 2; + } +diff --git a/converter/ppm/ppmtopcx.c b/converter/ppm/ppmtopcx.c +index fa68edc..97dfb2b 100644 +--- a/converter/ppm/ppmtopcx.c ++++ b/converter/ppm/ppmtopcx.c +@@ -425,6 +425,8 @@ ppmTo16ColorPcx(pixel ** const pixels, + else Planes = 1; + } + } ++ overflow2(BitsPerPixel, cols); ++ overflow_add(BitsPerPixel * cols, 7); + BytesPerLine = ((cols * BitsPerPixel) + 7) / 8; + MALLOCARRAY_NOFAIL(indexRow, cols); + MALLOCARRAY_NOFAIL(planesrow, BytesPerLine); +diff --git a/converter/ppm/ppmtopict.c b/converter/ppm/ppmtopict.c +index 034e705..4541387 100644 +--- a/converter/ppm/ppmtopict.c ++++ b/converter/ppm/ppmtopict.c +@@ -450,6 +450,8 @@ main(int argc, const char ** argv) { + putShort(stdout, 0); /* mode */ + + /* Finally, write out the data. */ ++ overflow_add(cols/MAX_COUNT, 1); ++ overflow_add(cols, cols/MAX_COUNT+1); + outBuf = malloc((unsigned)(cols+cols/MAX_COUNT+1)); + for (row = 0, oc = 0; row < rows; ++row) { + unsigned int rowSize; +diff --git a/converter/ppm/ppmtopj.c b/converter/ppm/ppmtopj.c +index d116773..fc84cac 100644 +--- a/converter/ppm/ppmtopj.c ++++ b/converter/ppm/ppmtopj.c +@@ -179,6 +179,7 @@ char *argv[]; + pixels = ppm_readppm( ifp, &cols, &rows, &maxval ); + + pm_close( ifp ); ++ overflow2(cols,2); + obuf = (unsigned char *) pm_allocrow(cols, sizeof(unsigned char)); + cbuf = (unsigned char *) pm_allocrow(cols * 2, sizeof(unsigned char)); + +diff --git a/converter/ppm/ppmtopjxl.c b/converter/ppm/ppmtopjxl.c +index ddf4963..b2c7e8e 100644 +--- a/converter/ppm/ppmtopjxl.c ++++ b/converter/ppm/ppmtopjxl.c +@@ -306,6 +306,9 @@ main(int argc, const char * argv[]) { + if (maxval > PCL_MAXVAL) + pm_error("color range too large; reduce with ppmcscale"); + ++ if (cols < 0 || rows < 0) ++ pm_error("negative size is not possible"); ++ + /* Figure out the colormap. */ + pm_message("Computing colormap..."); + chv = ppm_computecolorhist(pixels, cols, rows, MAXCOLORS, &colors); +@@ -325,6 +328,8 @@ main(int argc, const char * argv[]) { + case 0: /* direct mode (no palette) */ + bpp = bitsperpixel(maxval); /* bits per pixel */ + bpg = bpp; bpb = bpp; ++ overflow2(bpp, 3); ++ overflow_add(bpp*3, 7); + bpp = (bpp*3+7)>>3; /* bytes per pixel now */ + bpr = (bpp<<3)-bpg-bpb; + bpp *= cols; /* bytes per row now */ +@@ -334,9 +339,13 @@ main(int argc, const char * argv[]) { + case 3: case 7: pclindex++; + default: + bpp = 8/pclindex; ++ overflow_add(cols, bpp); ++ if(bpp == 0) ++ pm_error("assert: no bpp"); + bpp = (cols+bpp-1)/bpp; /* bytes per row */ + } + } ++ overflow2(bpp,2); + inrow = (char *)malloc((unsigned)bpp); + outrow = (char *)malloc((unsigned)bpp*2); + runcnt = (signed char *)malloc((unsigned)bpp); +diff --git a/converter/ppm/ppmtowinicon.c b/converter/ppm/ppmtowinicon.c +index c673798..af2b445 100644 +--- a/converter/ppm/ppmtowinicon.c ++++ b/converter/ppm/ppmtowinicon.c +@@ -12,6 +12,7 @@ + + #include <math.h> + #include <string.h> ++#include <stdlib.h> + + #include "pm_c_util.h" + #include "winico.h" +@@ -214,6 +215,7 @@ createAndBitmap (gray ** const ba, int const cols, int const rows, + MALLOCARRAY_NOFAIL(rowData, rows); + icBitmap->xBytes = xBytes; + icBitmap->data = rowData; ++ overflow2(xBytes, rows); + icBitmap->size = xBytes * rows; + for (y=0;y<rows;y++) { + u1 * row; +@@ -342,6 +344,7 @@ create4Bitmap (pixel ** const pa, int const cols, int const rows, + MALLOCARRAY_NOFAIL(rowData, rows); + icBitmap->xBytes = xBytes; + icBitmap->data = rowData; ++ overflow2(xBytes, rows); + icBitmap->size = xBytes * rows; + + for (y=0;y<rows;y++) { +@@ -402,6 +405,7 @@ create8Bitmap (pixel ** const pa, int const cols, int const rows, + MALLOCARRAY_NOFAIL(rowData, rows); + icBitmap->xBytes = xBytes; + icBitmap->data = rowData; ++ overflow2(xBytes, rows); + icBitmap->size = xBytes * rows; + + for (y=0;y<rows;y++) { +@@ -709,7 +713,11 @@ addEntryToIcon(MS_Ico const MSIconData, + entry->bitcount = bpp; + entry->ih = createInfoHeader(entry, xorBitmap, andBitmap); + entry->colors = palette->colors; +- entry->size_in_bytes = ++ overflow2(4, entry->color_count); ++ overflow_add(xorBitmap->size, andBitmap->size); ++ overflow_add(xorBitmap->size + andBitmap->size, 40); ++ overflow_add(xorBitmap->size + andBitmap->size + 40, 4 * entry->color_count); ++ entry->size_in_bytes = + xorBitmap->size + andBitmap->size + 40 + (4 * entry->color_count); + if (verbose) + pm_message("entry->size_in_bytes = %d + %d + %d = %d", +diff --git a/converter/ppm/ppmtoxpm.c b/converter/ppm/ppmtoxpm.c +index 38d9997..904c98d 100644 +--- a/converter/ppm/ppmtoxpm.c ++++ b/converter/ppm/ppmtoxpm.c +@@ -197,6 +197,7 @@ genNumstr(unsigned int const input, int const digits) { + unsigned int i; + + /* Allocate memory for printed number. Abort if error. */ ++ overflow_add(digits, 1); + if (!(str = (char *) malloc(digits + 1))) + pm_error("out of memory"); + +@@ -314,6 +315,7 @@ genCmap(colorhist_vector const chv, + unsigned int charsPerPixel; + unsigned int xpmMaxval; + ++ if (includeTransparent) overflow_add(ncolors, 1); + MALLOCARRAY(cmap, cmapSize); + if (cmapP == NULL) + pm_error("Out of memory allocating %u bytes for a color map.", +diff --git a/converter/ppm/qrttoppm.c b/converter/ppm/qrttoppm.c +index 935463e..653084c 100644 +--- a/converter/ppm/qrttoppm.c ++++ b/converter/ppm/qrttoppm.c +@@ -46,7 +46,7 @@ main( argc, argv ) + + ppm_writeppminit( stdout, cols, rows, maxval, 0 ); + pixelrow = ppm_allocrow( cols ); +- buf = (unsigned char *) malloc( 3 * cols ); ++ buf = (unsigned char *) malloc2( 3 , cols ); + if ( buf == (unsigned char *) 0 ) + pm_error( "out of memory" ); + +diff --git a/converter/ppm/sldtoppm.c b/converter/ppm/sldtoppm.c +index 6ba4cb4..fc6a498 100644 +--- a/converter/ppm/sldtoppm.c ++++ b/converter/ppm/sldtoppm.c +@@ -464,6 +464,8 @@ slider(slvecfn slvec, + + /* Allocate image buffer and clear it to black. */ + ++ overflow_add(ixdots, 1); ++ overflow_add(iydots, 1); + pixels = ppm_allocarray(pixcols = ixdots + 1, pixrows = iydots + 1); + PPM_ASSIGN(rgbcolor, 0, 0, 0); + ppmd_filledrectangle(pixels, pixcols, pixrows, pixmaxval, 0, 0, +diff --git a/converter/ppm/ximtoppm.c b/converter/ppm/ximtoppm.c +index ce5e639..a39b689 100644 +--- a/converter/ppm/ximtoppm.c ++++ b/converter/ppm/ximtoppm.c +@@ -160,6 +163,7 @@ ReadXimHeader(FILE * const in_fp, + if (header->nchannels == 3 && header->bits_channel == 8) + header->ncolors = 0; + else if (header->nchannels == 1 && header->bits_channel == 8) { ++ overflow2(header->ncolors, sizeof(Color)); + header->colors = (Color *)calloc((unsigned int)header->ncolors, + sizeof(Color)); + if (header->colors == NULL) { +diff --git a/editor/pamcut.c b/editor/pamcut.c +index 7c41af3..72df687 100644 +--- a/editor/pamcut.c ++++ b/editor/pamcut.c +@@ -655,6 +655,8 @@ cutOneImage(FILE * const ifP, + + outpam = inpam; /* Initial value -- most fields should be same */ + outpam.file = ofP; ++ overflow_add(rightcol, 1); ++ overflow_add(bottomrow, 1); + outpam.width = rightcol - leftcol + 1; + outpam.height = bottomrow - toprow + 1; + +diff --git a/editor/pbmreduce.c b/editor/pbmreduce.c +index f49c8d9..580e5e0 100644 +--- a/editor/pbmreduce.c ++++ b/editor/pbmreduce.c +@@ -94,6 +94,7 @@ main( argc, argv ) + if (halftone == QT_FS) { + unsigned int col; + /* Initialize Floyd-Steinberg. */ ++ overflow_add(newcols, 2); + MALLOCARRAY(thiserr, newcols + 2); + MALLOCARRAY(nexterr, newcols + 2); + if (thiserr == NULL || nexterr == NULL) +diff --git a/editor/pnmgamma.c b/editor/pnmgamma.c +index b357b0d..ec612d3 100644 +--- a/editor/pnmgamma.c ++++ b/editor/pnmgamma.c +@@ -596,6 +596,7 @@ createGammaTables(enum transferFunction const transferFunction, + xelval ** const btableP) { + + /* Allocate space for the tables. */ ++ overflow_add(maxval, 1); + MALLOCARRAY(*rtableP, maxval+1); + MALLOCARRAY(*gtableP, maxval+1); + MALLOCARRAY(*btableP, maxval+1); +diff --git a/editor/pnmhisteq.c b/editor/pnmhisteq.c +index 8af4201..0c8d6e5 100644 +--- a/editor/pnmhisteq.c ++++ b/editor/pnmhisteq.c +@@ -107,6 +107,7 @@ computeLuminosityHistogram(xel * const * const xels, + unsigned int pixelCount; + unsigned int * lumahist; + ++ overflow_add(maxval, 1); + MALLOCARRAY(lumahist, maxval + 1); + if (lumahist == NULL) + pm_error("Out of storage allocating array for %u histogram elements", +diff --git a/editor/pnmindex.csh b/editor/pnmindex.csh +index c6f1e84..c513a84 100755 +--- a/editor/pnmindex.csh ++++ b/editor/pnmindex.csh +@@ -1,5 +1,7 @@ + #!/bin/csh -f + # ++echo "Unsafe code, needs debugging, do not ship" ++exit 1 + # pnmindex - build a visual index of a bunch of anymaps + # + # Copyright (C) 1991 by Jef Poskanzer. +diff --git a/editor/pnmpad.c b/editor/pnmpad.c +index 1904b68..0797cf1 100644 +--- a/editor/pnmpad.c ++++ b/editor/pnmpad.c +@@ -527,6 +527,8 @@ main(int argc, const char ** argv) { + + computePadSizes(cmdline, cols, rows, &lpad, &rpad, &tpad, &bpad); + ++ overflow_add(cols, lpad); ++ overflow_add(cols + lpad, rpad); + newcols = cols + lpad + rpad; + + if (PNM_FORMAT_TYPE(format) == PBM_TYPE) +diff --git a/editor/pnmremap.c b/editor/pnmremap.c +index b2448cb..b924120 100644 +--- a/editor/pnmremap.c ++++ b/editor/pnmremap.c +@@ -428,6 +428,7 @@ initFserr(struct pam * const pamP, + + unsigned int const fserrSize = pamP->width + 2; + ++ overflow_add(pamP->width, 2); + fserrP->width = pamP->width; + + MALLOCARRAY(fserrP->thiserr, pamP->depth); +@@ -465,6 +466,7 @@ floydInitRow(struct pam * const pamP, struct fserr * const fserrP) { + + int col; + ++ overflow_add(pamP->width, 2); + for (col = 0; col < pamP->width + 2; ++col) { + unsigned int plane; + for (plane = 0; plane < pamP->depth; ++plane) +diff --git a/editor/pnmscalefixed.c b/editor/pnmscalefixed.c +index 884ca31..747cd8f 100644 +--- a/editor/pnmscalefixed.c ++++ b/editor/pnmscalefixed.c +@@ -214,6 +214,7 @@ compute_output_dimensions(const struct cmdline_info cmdline, + const int rows, const int cols, + int * newrowsP, int * newcolsP) { + ++ overflow2(rows, cols); + if (cmdline.pixels) { + if (rows * cols <= cmdline.pixels) { + *newrowsP = rows; +@@ -265,6 +266,8 @@ compute_output_dimensions(const struct cmdline_info cmdline, + + if (*newcolsP < 1) *newcolsP = 1; + if (*newrowsP < 1) *newrowsP = 1; ++ ++ overflow2(*newcolsP, *newrowsP); + } + + +@@ -446,6 +449,9 @@ main(int argc, char **argv ) { + unfilled. We can address that by stretching, whereas the other + case would require throwing away some of the input. + */ ++ ++ overflow2(newcols, SCALE); ++ overflow2(newrows, SCALE); + sxscale = SCALE * newcols / cols; + syscale = SCALE * newrows / rows; + +diff --git a/editor/ppmdither.c b/editor/ppmdither.c +index ec1b977..e701e09 100644 +--- a/editor/ppmdither.c ++++ b/editor/ppmdither.c +@@ -356,6 +356,11 @@ dithMatrix(unsigned int const dithPower) { + (dithDim * sizeof(*dithMat)) + /* pointers */ + (dithDim * dithDim * sizeof(**dithMat)); /* data */ + ++ ++ overflow2(dithDim, sizeof(*dithMat)); ++ overflow3(dithDim, dithDim, sizeof(**dithMat)); ++ overflow_add(dithDim * sizeof(*dithMat), dithDim * dithDim * sizeof(**dithMat)); ++ + dithMat = malloc(dithMatSize); + + if (dithMat == NULL) +diff --git a/editor/specialty/pamoil.c b/editor/specialty/pamoil.c +index 6cb8d3a..6f4bde9 100644 +--- a/editor/specialty/pamoil.c ++++ b/editor/specialty/pamoil.c +@@ -112,6 +112,7 @@ main(int argc, char *argv[] ) { + tuples = pnm_readpam(ifp, &inpam, PAM_STRUCT_SIZE(tuple_type)); + pm_close(ifp); + ++ overflow_add(inpam.maxval, 1); + MALLOCARRAY(hist, inpam.maxval + 1); + if (hist == NULL) + pm_error("Unable to allocate memory for histogram."); +diff --git a/generator/pbmtext.c b/generator/pbmtext.c +index 9f4366d..445d718 100644 +--- a/generator/pbmtext.c ++++ b/generator/pbmtext.c +@@ -96,12 +96,14 @@ parseCommandLine(int argc, const char ** argv, + + for (i = 1; i < argc; ++i) { + if (i > 1) { ++ overflow_add(totaltextsize, 1); + totaltextsize += 1; + text = realloc(text, totaltextsize); + if (text == NULL) + pm_error("out of memory allocating space for input text"); + strcat(text, " "); +- } ++ } ++ overflow_add(totaltextsize, strlen(argv[i])); + totaltextsize += strlen(argv[i]); + text = realloc(text, totaltextsize); + if (text == NULL) +@@ -712,6 +714,7 @@ getText(const char cmdline_text[], + pm_error("A line of input text is longer than %u characters." + "Cannot process.", (unsigned)sizeof(buf)-1); + if (lineCount >= maxlines) { ++ overflow2(maxlines, 2); + maxlines *= 2; + REALLOCARRAY(text_array, maxlines); + if (text_array == NULL) +@@ -832,6 +835,7 @@ main(int argc, const char *argv[]) { + hmargin = fontP->maxwidth; + } else { + vmargin = fontP->maxheight; ++ overflow2(2, fontP->maxwidth); + hmargin = 2 * fontP->maxwidth; + } + } +diff --git a/lib/libpam.c b/lib/libpam.c +index cc6368e..4e10572 100644 +--- a/lib/libpam.c ++++ b/lib/libpam.c +@@ -224,8 +224,9 @@ allocPamRow(const struct pam * const pamP) { + unsigned int const bytesPerTuple = allocationDepth(pamP) * sizeof(sample); + tuple * tuplerow; + +- tuplerow = malloc(pamP->width * (sizeof(tuple *) + bytesPerTuple)); +- ++ overflow_add(sizeof(tuple *), bytesPerTuple); ++ tuplerow = malloc2(pamP->width, (sizeof(tuple *) + bytesPerTuple)); ++ + if (tuplerow != NULL) { + /* Now we initialize the pointers to the individual tuples + to make this a regulation C two dimensional array. +diff --git a/lib/libpammap.c b/lib/libpammap.c +index 55e1d3f..04b1ba3 100644 +--- a/lib/libpammap.c ++++ b/lib/libpammap.c +@@ -108,7 +108,9 @@ allocTupleIntListItem(struct pam * const pamP) { + */ + struct tupleint_list_item * retval; + +- unsigned int const size = ++ overflow2(pamP->depth, sizeof(sample)); ++ overflow_add(sizeof(*retval)-sizeof(retval->tupleint.tuple), pamP->depth*sizeof(sample)); ++ unsigned int const size = + sizeof(*retval) - sizeof(retval->tupleint.tuple) + + pamP->depth * sizeof(sample); + +diff --git a/lib/libpm.c b/lib/libpm.c +index 4374bbe..5ab7f83 100644 +--- a/lib/libpm.c ++++ b/lib/libpm.c +@@ -841,5 +841,53 @@ pm_parse_height(const char * const arg) { + return height; + } + ++/* ++ * Maths wrapping ++ */ + ++void __overflow2(int a, int b) ++{ ++ if(a < 0 || b < 0) ++ pm_error("object too large"); ++ if(b == 0) ++ return; ++ if(a > INT_MAX / b) ++ pm_error("object too large"); ++} ++ ++void overflow3(int a, int b, int c) ++{ ++ overflow2(a,b); ++ overflow2(a*b, c); ++} ++ ++void overflow_add(int a, int b) ++{ ++ if( a > INT_MAX - b) ++ pm_error("object too large"); ++} ++ ++void *malloc2(int a, int b) ++{ ++ overflow2(a, b); ++ if(a*b == 0) ++ pm_error("Zero byte allocation"); ++ return malloc(a*b); ++} ++ ++void *malloc3(int a, int b, int c) ++{ ++ overflow3(a, b, c); ++ if(a*b*c == 0) ++ pm_error("Zero byte allocation"); ++ return malloc(a*b*c); ++} ++ ++void *realloc2(void * a, int b, int c) ++{ ++ overflow2(b, c); ++ if(b*c == 0) ++ pm_error("Zero byte allocation"); ++ return realloc(a, b*c); ++} + +diff --git a/lib/pm.h b/lib/pm.h +index e9f1405..da54391 100644 +--- a/lib/pm.h ++++ b/lib/pm.h +@@ -435,5 +435,12 @@ pm_parse_height(const char * const arg); + } + #endif + ++void *malloc2(int, int); ++void *malloc3(int, int, int); ++#define overflow2(a,b) __overflow2(a,b) ++void __overflow2(int, int); ++void overflow3(int, int, int); ++void overflow_add(int, int); ++ + + #endif +diff --git a/other/pnmcolormap.c b/other/pnmcolormap.c +index 57db432..7195295 100644 +--- a/other/pnmcolormap.c ++++ b/other/pnmcolormap.c +@@ -840,6 +840,7 @@ colormapToSquare(struct pam * const pamP, + pamP->width = intsqrt; + else + pamP->width = intsqrt + 1; ++ overflow_add(intsqrt, 1); + } + { + unsigned int const intQuotient = colormap.size / pamP->width; +diff --git a/urt/Runput.c b/urt/Runput.c +index 3bc562a..645a376 100644 +--- a/urt/Runput.c ++++ b/urt/Runput.c +@@ -202,10 +202,11 @@ RunSetup(rle_hdr * the_hdr) + if ( the_hdr->background != 0 ) + { + register int i; +- register rle_pixel *background = +- (rle_pixel *)malloc( (unsigned)(the_hdr->ncolors + 1) ); +- register int *bg_color; +- /* ++ register rle_pixel *background; ++ register int *bg_color; ++ ++ overflow_add(the_hdr->ncolors,1); ++ background = (rle_pixel *)malloc( (unsigned)(the_hdr->ncolors + 1) ); /* + * If even number of bg color bytes, put out one more to get to + * 16 bit boundary. + */ +@@ -224,7 +225,7 @@ RunSetup(rle_hdr * the_hdr) + /* Big-endian machines are harder */ + register int i, nmap = (1 << the_hdr->cmaplen) * + the_hdr->ncmap; +- register char *h_cmap = (char *)malloc( nmap * 2 ); ++ register char *h_cmap = (char *)malloc2( nmap, 2 ); + if ( h_cmap == NULL ) + { + fprintf( stderr, +diff --git a/urt/rle.h b/urt/rle.h +index 8d72cb9..ac65b94 100644 +--- a/urt/rle.h ++++ b/urt/rle.h +@@ -161,6 +161,17 @@ rle_hdr /* End of typedef. */ + */ + extern rle_hdr rle_dflt_hdr; + ++/* ++ * Provided by pm library ++ */ ++ ++extern void overflow_add(int, int); ++#define overflow2(a,b) __overflow2(a,b) ++extern void __overflow2(int, int); ++extern void overflow3(int, int, int); ++extern void *malloc2(int, int); ++extern void *malloc3(int, int, int); ++extern void *realloc2(void *, int, int); + + /* Declare RLE library routines. */ + +diff --git a/urt/rle_addhist.c b/urt/rle_addhist.c +index b165175..e09ed94 100644 +--- a/urt/rle_addhist.c ++++ b/urt/rle_addhist.c +@@ -70,13 +70,18 @@ rle_addhist(char * argv[], + return; + + length = 0; +- for (i = 0; argv[i]; ++i) ++ for (i = 0; argv[i]; ++i) { ++ overflow_add(length, strlen(argv[i])); ++ overflow_add(length+1, strlen(argv[i])); + length += strlen(argv[i]) +1; /* length of each arg plus space. */ ++ } + + time(&temp); + timedate = ctime(&temp); + length += strlen(timedate); /* length of date and time in ASCII. */ +- ++ overflow_add(strlen(padding), 4); ++ overflow_add(strlen(histoire), strlen(padding) + 4); ++ overflow_add(length, strlen(histoire) + strlen(padding) + 4); + length += strlen(padding) + 3 + strlen(histoire) + 1; + /* length of padding, "on " and length of history name plus "="*/ + if (in_hdr) /* if we are interested in the old comments... */ +@@ -84,8 +89,10 @@ rle_addhist(char * argv[], + else + old = NULL; + +- if (old && *old) ++ if (old && *old) { ++ overflow_add(length, strlen(old)); + length += strlen(old); /* add length if there. */ ++ } + + ++length; /*Cater for the null. */ + +diff --git a/urt/rle_getrow.c b/urt/rle_getrow.c +index bd7d1c8..bd05698 100644 +--- a/urt/rle_getrow.c ++++ b/urt/rle_getrow.c +@@ -168,6 +168,7 @@ rle_get_setup(rle_hdr * const the_hdr) { + char * cp; + + VAXSHORT(comlen, infile); /* get comment length */ ++ overflow_add(comlen, 1); + evenlen = (comlen + 1) & ~1; /* make it even */ + if (evenlen) { + MALLOCARRAY(comment_buf, evenlen); +diff --git a/urt/rle_hdr.c b/urt/rle_hdr.c +index 1611324..7c9c010 100644 +--- a/urt/rle_hdr.c ++++ b/urt/rle_hdr.c +@@ -80,7 +80,10 @@ int img_num; + /* Fill in with copies of the strings. */ + if ( the_hdr->cmd != pgmname ) + { +- char *tmp = (char *)malloc( strlen( pgmname ) + 1 ); ++ char *tmp; ++ ++ overflow_add(strlen(pgmname), 1); ++ tmp = malloc( strlen(pgmname) + 1 ); + RLE_CHECK_ALLOC( pgmname, tmp, 0 ); + strcpy( tmp, pgmname ); + the_hdr->cmd = tmp; +@@ -88,8 +91,10 @@ int img_num; + + if ( the_hdr->file_name != fname ) + { +- char *tmp = (char *)malloc( strlen( fname ) + 1 ); +- RLE_CHECK_ALLOC( pgmname, tmp, 0 ); ++ char *tmp; ++ overflow_add(strlen(fname), 1); ++ tmp = malloc( strlen( fname ) + 1 ); ++ RLE_CHECK_ALLOC( pgmname, tmp, 0 ); + strcpy( tmp, fname ); + the_hdr->file_name = tmp; + } +@@ -153,6 +158,7 @@ rle_hdr *from_hdr, *to_hdr; + if ( to_hdr->bg_color ) + { + int size = to_hdr->ncolors * sizeof(int); ++ overflow2(to_hdr->ncolors, sizeof(int)); + to_hdr->bg_color = (int *)malloc( size ); + RLE_CHECK_ALLOC( to_hdr->cmd, to_hdr->bg_color, "background color" ); + memcpy( to_hdr->bg_color, from_hdr->bg_color, size ); +@@ -161,7 +167,7 @@ rle_hdr *from_hdr, *to_hdr; + if ( to_hdr->cmap ) + { + int size = to_hdr->ncmap * (1 << to_hdr->cmaplen) * sizeof(rle_map); +- to_hdr->cmap = (rle_map *)malloc( size ); ++ to_hdr->cmap = (rle_map *)malloc3( to_hdr->ncmap, 1<<to_hdr->cmaplen, sizeof(rle_map)); + RLE_CHECK_ALLOC( to_hdr->cmd, to_hdr->cmap, "color map" ); + memcpy( to_hdr->cmap, from_hdr->cmap, size ); + } +@@ -173,12 +179,17 @@ rle_hdr *from_hdr, *to_hdr; + { + int size = 0; + CONST_DECL char **cp; +- for ( cp=to_hdr->comments; *cp; cp++ ) ++ for ( cp=to_hdr->comments; *cp; cp++ ) ++ { ++ overflow_add(size, 1); + size++; /* Count the comments. */ ++ } + /* Check if there are really any comments. */ + if ( size ) + { ++ overflow_add(size, 1); + size++; /* Copy the NULL pointer, too. */ ++ overflow2(size, sizeof(char *)); + size *= sizeof(char *); + to_hdr->comments = (CONST_DECL char **)malloc( size ); + RLE_CHECK_ALLOC( to_hdr->cmd, to_hdr->comments, "comments" ); +diff --git a/urt/rle_open_f.c b/urt/rle_open_f.c +index ae8548b..c2ef37d 100644 +--- a/urt/rle_open_f.c ++++ b/urt/rle_open_f.c +@@ -163,65 +163,7 @@ dealWithSubprocess(const char * const file_name, + FILE ** const fpP, + bool * const noSubprocessP, + const char ** const errorP) { +- +-#ifdef NO_OPEN_PIPES + *noSubprocessP = TRUE; +-#else +- const char *cp; +- +- reapChildren(catchingChildrenP, pids); +- +- /* Real file, not stdin or stdout. If name ends in ".Z", +- * pipe from/to un/compress (depending on r/w mode). +- * +- * If it starts with "|", popen that command. +- */ +- +- cp = file_name + strlen(file_name) - 2; +- /* Pipe case. */ +- if (file_name[0] == '|') { +- pid_t thepid; /* PID from my_popen */ +- +- *noSubprocessP = FALSE; +- +- *fpP = my_popen(file_name + 1, mode, &thepid); +- if (*fpP == NULL) +- *errorP = "%s: can't invoke <<%s>> for %s: "; +- else { +- /* One more child to catch, eventually. */ +- if (*catchingChildrenP < MAX_CHILDREN) +- pids[(*catchingChildrenP)++] = thepid; +- } +- } else if (cp > file_name && *cp == '.' && *(cp + 1) == 'Z' ) { +- /* Compress case. */ +- pid_t thepid; /* PID from my_popen. */ +- const char * command; +- +- *noSubprocessP = FALSE; +- +- if (*mode == 'w') +- pm_asprintf(&command, "compress > %s", file_name); +- else if (*mode == 'a') +- pm_asprintf(&command, "compress >> %s", file_name); +- else +- pm_asprintf(&command, "compress -d < %s", file_name); +- +- *fpP = my_popen(command, mode, &thepid); +- +- if (*fpP == NULL) +- *errorP = "%s: can't invoke 'compress' program, " +- "trying to open %s for %s"; +- else { +- /* One more child to catch, eventually. */ +- if (*catchingChildrenP < MAX_CHILDREN) +- pids[(*catchingChildrenP)++] = thepid; +- } +- pm_strfree(command); +- } else { +- *noSubprocessP = TRUE; +- *errorP = NULL; +- } +-#endif + } + + +diff --git a/urt/rle_putcom.c b/urt/rle_putcom.c +index ab2eb20..f6a6ff7 100644 +--- a/urt/rle_putcom.c ++++ b/urt/rle_putcom.c +@@ -98,12 +98,14 @@ rle_putcom(const char * const value, + const char * v; + const char ** old_comments; + int i; +- for (i = 2, cp = the_hdr->comments; *cp != NULL; ++i, ++cp) ++ for (i = 2, cp = the_hdr->comments; *cp != NULL; ++i, ++cp) { ++ overflow_add(i, 1); + if (match(value, *cp) != NULL) { + v = *cp; + *cp = value; + return v; + } ++ } + /* Not found */ + /* Can't realloc because somebody else might be pointing to this + * comments block. Of course, if this were true, then the +diff --git a/urt/scanargs.c b/urt/scanargs.c +index f3af334..5e114bb 100644 +--- a/urt/scanargs.c ++++ b/urt/scanargs.c +@@ -62,9 +62,8 @@ typedef int *ptr; + /* + * Storage allocation macros + */ +-#define NEW( type, cnt ) (type *) malloc( (cnt) * sizeof( type ) ) +-#define RENEW( type, ptr, cnt ) (type *) realloc( ptr, (cnt) * sizeof( type ) ) +- ++#define NEW( type, cnt ) (type *) malloc2( (cnt) , sizeof( type ) ) ++#define RENEW( type, ptr, cnt ) (type *) realloc2( ptr, (cnt), sizeof( type ) ) + static CONST_DECL char * prformat( CONST_DECL char *, int ); + static int isnum( CONST_DECL char *, int, int ); + static int _do_scanargs( int argc, char **argv, CONST_DECL char *format, + diff --git a/netpbm/patches/netpbm-security-scripts.patch b/netpbm/patches/netpbm-security-scripts.patch new file mode 100644 index 000000000..0dfe84f43 --- /dev/null +++ b/netpbm/patches/netpbm-security-scripts.patch @@ -0,0 +1,369 @@ +diff --git a/converter/other/anytopnm b/converter/other/anytopnm +index acf8813..335312a 100755 +--- a/converter/other/anytopnm ++++ b/converter/other/anytopnm +@@ -511,10 +511,7 @@ else + inputFile="-" + fi + +-tempdir="${TMPDIR-/tmp}/anytopnm.$$" +-mkdir -m 0700 $tempdir || \ +- { echo "Could not create temporary file. Exiting."; exit 1;} +-trap 'rm -rf $tempdir' 0 ++tempdir=$(mktemp -d -t anytopnm.XXXXXXXXXX) || exit 1 + + # Take out all spaces + # Find the filename extension for last-ditch efforts later +@@ -537,12 +534,17 @@ typeDescription=`file "$file" | cut -d: -f2- | cut -c2-` + determineType "$file" "$mimeType" "$typeDescription" "$fileExtension" + + if [ "$filetype" = "unknown" ]; then +- echo "$progname: unknown file type. " \ +- "'file' says mime type is '$mimeType', " 1>&2 +- echo "type description is '$typeDescription'" 1>&2 ++ if [ -d "$tempdir" ] ; then ++ rm -rf "$tempdir" ++ fi ++ + exit 1 + fi + + convertIt $file $filetype + ++if [ -d "$tempdir" ] ; then ++ rm -rf "$tempdir" ++fi ++ + exit 0 +diff --git a/editor/pamstretch-gen b/editor/pamstretch-gen +index ba0e818..250fca0 100755 +--- a/editor/pamstretch-gen ++++ b/editor/pamstretch-gen +@@ -31,9 +31,7 @@ if [ "$1" = "" ]; then + exit 1 + fi + +-tempdir="${TMPDIR-/tmp}/pamstretch-gen.$$" +-mkdir -m 0700 $tempdir || \ +- { echo "Could not create temporary file. Exiting."; exit 1;} ++tempfile=$(mktemp /tmp/pnmig.XXXXXXXXXX) || exit 1 + trap 'rm -rf $tempdir' 0 1 3 15 + + tempfile=$tempdir/pnmig +diff --git a/editor/pnmmargin b/editor/pnmmargin +index 0f57d1d..e0d3625 100755 +--- a/editor/pnmmargin ++++ b/editor/pnmmargin +@@ -11,11 +11,7 @@ + # documentation. This software is provided "as is" without express or + # implied warranty. + +-tempdir="${TMPDIR-/tmp}/pnmmargin.$$" +-mkdir -m 0700 $tempdir || \ +- { echo "Could not create temporary file. Exiting." 1>&2; exit 1;} +-trap 'rm -rf $tempdir' 0 1 3 15 +- ++tempdir=$(mktemp -d -t ppmmargin.XXXXXXX) || exit 1 + tmp1=$tempdir/pnmm1 + tmp2=$tempdir/pnmm2 + tmp3=$tempdir/pnmm3 +@@ -90,6 +86,7 @@ else + -white | -black ) + pnmpad $plainopt $color \ + -left=$size -right=$size -top=$size -bottom=$size $tmp1 ++ rm -rf "$tempdir" + exit + ;; + * ) +@@ -103,4 +100,4 @@ else + pnmcat -tb $plainopt $tmp3 $tmp4 $tmp3 + fi + +- ++rm -rf "$tempdir" +diff --git a/editor/ppmfade b/editor/ppmfade +index 027fc79..8eb094f 100755 +--- a/editor/ppmfade ++++ b/editor/ppmfade +@@ -40,6 +40,7 @@ exec perl -w -x -S -- "$0" "$@" + # + ############################################################################## + use strict; ++use File::Temp "tempdir"; + + my $SPREAD = 1; + my $SHIFT = 2; +@@ -137,20 +138,26 @@ if ($first_file ne "undefined") { + + print("Frames are " . $width . "W x " . $height . "H\n"); + ++# ++# We create a tmp-directory right here ++# ++my $tmpdir = tempdir("ppmfade.XXXXXX", CLEANUP => 1); ++ ++ + if ($first_file eq "undefined") { + print "Fading from black to "; +- system("ppmmake \#000 $width $height >junk1$$.ppm"); ++ system("ppmmake \#000 $width $height >$tmpdir/junk1$$.ppm"); + } else { + print "Fading from $first_file to "; +- system("cp", $first_file, "junk1$$.ppm"); ++ system("cp", $first_file, "$tmpdir/junk1$$.ppm"); + } + + if ($last_file eq "undefined") { + print "black.\n"; +- system("ppmmake \#000 $width $height >junk2$$.ppm"); ++ system("ppmmake \#000 $width $height >$tmpdir/junk2$$.ppm"); + } else { + print "$last_file\n"; +- system("cp", $last_file, "junk2$$.ppm"); ++ system("cp", $last_file, "$tmpdir/junk2$$.ppm"); + } + + # +@@ -158,14 +165,14 @@ if ($last_file eq "undefined") { + # + + # Here's what our temporary files are: +-# junk1$$.ppm: The original (fade-from) image +-# junk2$$.ppm: The target (fade-from) image +-# junk3$$.ppm: The frame of the fade for the current iteration of the +-# the for loop. +-# junk1a$$.ppm: If the fade involves a ppmmix sequence from one intermediate +-# image to another, this is the first frame of that +-# sequence. +-# junk2a$$.ppm: This is the last frame of the above-mentioned ppmmix sequence ++# $tmpdir/junk1$$.ppm: The original (fade-from) image ++# $tmpdir/junk2$$.ppm: The target (fade-from) image ++# $tmpdir/junk3$$.ppm: The frame of the fade for the current iteration of the ++# the for loop. ++# $tmpdir/junk1a$$.ppm: If the fade involves a ppmmix sequence from one intermediate ++# image to another, this is the first frame of that ++# sequence. ++# $tmpdir/junk2a$$.ppm: This is the last frame of the above-mentioned ppmmix sequence + + my $i; # Frame number + for ($i = 1; $i <= $nframes; $i++) { +@@ -173,147 +180,147 @@ for ($i = 1; $i <= $nframes; $i++) { + if ($mode eq $SPREAD) { + if ($i <= 10) { + my $n = $spline20[$i] * 100; +- system("ppmspread $n junk1$$.ppm >junk3$$.ppm"); ++ system("ppmspread $n $tmpdir/junk1$$.ppm >$tmpdir/junk3$$.ppm"); + } elsif ($i <= 20) { + my $n; + $n = $spline20[$i] * 100; +- system("ppmspread $n junk1$$.ppm >junk1a$$.ppm"); ++ system("ppmspread $n $tmpdir/junk1$$.ppm >$tmpdir/junk1a$$.ppm"); + $n = (1-$spline20[$i-10]) * 100; +- system("ppmspread $n junk2$$.ppm >junk2a$$.ppm"); ++ system("ppmspread $n $tmpdir/junk2$$.ppm >$tmpdir/junk2a$$.ppm"); + $n = $spline10[$i-10]; +- system("ppmmix $n junk1a$$.ppm junk2a$$.ppm >junk3$$.ppm"); ++ system("ppmmix $n $tmpdir/junk1a$$.ppm $tmpdir/junk2a$$.ppm >$tmpdir/junk3$$.ppm"); + } else { + my $n = (1-$spline20[$i-10])*100; +- system("ppmspread $n junk2$$.ppm >junk3$$.ppm"); ++ system("ppmspread $n $tmpdir/junk2$$.ppm >$tmpdir/junk3$$.ppm"); + } + } elsif ($mode eq $SHIFT) { + if ($i <= 10) { + my $n = $spline20[$i] * 100; +- system("ppmshift $n junk1$$.ppm >junk3$$.ppm"); ++ system("ppmshift $n $tmpdir/junk1$$.ppm >$tmpdir/junk3$$.ppm"); + } elsif ($i <= 20) { + my $n; + $n = $spline20[$i] * 100; +- system("ppmshift $n junk1$$.ppm >junk1a$$.ppm"); ++ system("ppmshift $n $tmpdir/junk1$$.ppm >$tmpdir/junk1a$$.ppm"); + $n = (1-$spline20[$i-10])*100; +- system("ppmshift $n junk2$$.ppm >junk2a$$.ppm"); ++ system("ppmshift $n $tmpdir/junk2$$.ppm >$tmpdir/junk2a$$.ppm"); + $n = $spline10[$i-10]; +- system("ppmmix $n junk1a$$.ppm junk2a$$.ppm >junk3$$.ppm"); ++ system("ppmmix $n $tmpdir/junk1a$$.ppm $tmpdir/junk2a$$.ppm >$tmpdir/junk3$$.ppm"); + } else { + my $n = (1-$spline20[$i-10]) * 100; +- system("ppmshift $n junk2$$.ppm >junk3$$.ppm"); ++ system("ppmshift $n $tmpdir/junk2$$.ppm >$tmpdir/junk3$$.ppm"); + } + } elsif ($mode eq $RELIEF) { + if ($i == 1) { +- system("ppmrelief junk1$$.ppm >junk1r$$.ppm"); ++ system("ppmrelief $tmpdir/junk1$$.ppm >$tmpdir/junk1r$$.ppm"); + } + if ($i <= 10) { + my $n = $spline10[$i]; +- system("ppmmix $n junk1$$.ppm junk1r$$.ppm >junk3$$.ppm"); ++ system("ppmmix $n $tmpdir/junk1$$.ppm $tmpdir/junk1r$$.ppm >$tmpdir/junk3$$.ppm"); + } elsif ($i <= 20) { + my $n = $spline10[$i-10]; +- system("ppmmix $n junk1r$$.ppm junk2r$$.ppm >junk3$$.ppm"); ++ system("ppmmix $n $tmpdir/junk1r$$.ppm $tmpdir/junk2r$$.ppm >$tmpdir/junk3$$.ppm"); + } else { + my $n = $spline10[$i-20]; +- system("ppmmix $n junk2r$$.ppm junk2$$.ppm >junk3$$.ppm"); ++ system("ppmmix $n $tmpdir/junk2r$$.ppm $tmpdir/junk2$$.ppm >$tmpdir/junk3$$.ppm"); + } + if ($i == 10) { +- system("ppmrelief junk2$$.ppm >junk2r$$.ppm"); ++ system("ppmrelief $tmpdir/junk2$$.ppm >$tmpdir/junk2r$$.ppm"); + } + } elsif ($mode eq $OIL) { + if ($i == 1) { +- system("ppmtopgm junk1$$.ppm | pgmoil >junko$$.ppm"); +- system("rgb3toppm junko$$.ppm junko$$.ppm junko$$.ppm " . +- ">junk1o$$.ppm"); ++ system("ppmtopgm $tmpdir/junk1$$.ppm | pgmoil >$tmpdir/junko$$.ppm"); ++ system("rgb3toppm $tmpdir/junko$$.ppm $tmpdir/junko$$.ppm $tmpdir/junko$$.ppm " . ++ ">$tmpdir/junk1o$$.ppm"); + } + if ($i <= 10) { + my $n = $spline10[$i]; +- system("ppmmix $n junk1$$.ppm junk1o$$.ppm >junk3$$.ppm"); ++ system("ppmmix $n $tmpdir/junk1$$.ppm $tmpdir/junk1o$$.ppm >$tmpdir/junk3$$.ppm"); + } elsif ($i <= 20) { + my $n = $spline10[$i-10]; +- system("ppmmix $n junk1o$$.ppm junk2o$$.ppm >junk3$$.ppm"); ++ system("ppmmix $n $tmpdir/junk1o$$.ppm $tmpdir/junk2o$$.ppm >$tmpdir/junk3$$.ppm"); + } else { + my $n = $spline10[$i-20]; +- system("ppmmix $n junk2o$$.ppm junk2$$.ppm >junk3$$.ppm"); ++ system("ppmmix $n $tmpdir/junk2o$$.ppm $tmpdir/junk2$$.ppm >$tmpdir/junk3$$.ppm"); + } + if ($i == 10) { +- system("ppmtopgm junk2$$.ppm | pgmoil >junko$$.ppm"); +- system("rgb3toppm junko$$.ppm junko$$.ppm junko$$.ppm " . +- ">junk2o$$.ppm"); ++ system("ppmtopgm $tmpdir/junk2$$.ppm | pgmoil >$tmpdir/junko$$.ppm"); ++ system("rgb3toppm $tmpdir/junko$$.ppm $tmpdir/junko$$.ppm $tmpdir/junko$$.ppm " . ++ ">$tmpdir/junk2o$$.ppm"); + } + } elsif ($mode eq $EDGE) { + if ($i == 1) { +- system("ppmtopgm junk1$$.ppm | pgmedge >junko$$.ppm"); +- system("rgb3toppm junko$$.ppm junko$$.ppm junko$$.ppm " . +- ">junk1o$$.ppm"); ++ system("ppmtopgm $tmpdir/junk1$$.ppm | pgmedge >$tmpdir/junko$$.ppm"); ++ system("rgb3toppm $tmpdir/junko$$.ppm $tmpdir/junko$$.ppm $tmpdir/junko$$.ppm " . ++ ">$tmpdir/junk1o$$.ppm"); + } + if ($i <= 10) { + my $n = $spline10[$i]; +- system("ppmmix $n junk1$$.ppm junk1o$$.ppm >junk3$$.ppm"); ++ system("ppmmix $n $tmpdir/junk1$$.ppm $tmpdir/junk1o$$.ppm >$tmpdir/junk3$$.ppm"); + } elsif ($i <= 20) { + my $n = $spline10[$i-10]; +- system("ppmmix $n junk1o$$.ppm junk2o$$.ppm >junk3$$.ppm"); ++ system("ppmmix $n $tmpdir/junk1o$$.ppm $tmpdir/junk2o$$.ppm >$tmpdir/junk3$$.ppm"); + } else { + my $n = $spline10[$i-20]; +- system("ppmmix $n junk2o$$.ppm junk2$$.ppm >junk3$$.ppm"); ++ system("ppmmix $n $tmpdir/junk2o$$.ppm $tmpdir/junk2$$.ppm >$tmpdir/junk3$$.ppm"); + } + if ($i == 10) { +- system("ppmtopgm junk2$$.ppm | pgmedge >junko$$.ppm"); +- system("rgb3toppm junko$$.ppm junko$$.ppm junko$$.ppm " . +- ">junk2o$$.ppm"); ++ system("ppmtopgm $tmpdir/junk2$$.ppm | pgmedge >$tmpdir/junko$$.ppm"); ++ system("rgb3toppm $tmpdir/junko$$.ppm $tmpdir/junko$$.ppm $tmpdir/junko$$.ppm " . ++ ">$tmpdir/junk2o$$.ppm"); + } + } elsif ($mode eq $BENTLEY) { + if ($i == 1) { +- system("ppmtopgm junk1$$.ppm | pgmbentley >junko$$.ppm"); +- system("rgb3toppm junko$$.ppm junko$$.ppm junko$$.ppm " . +- ">junk1o$$.ppm"); ++ system("ppmtopgm $tmpdir/junk1$$.ppm | pgmbentley >$tmpdir/junko$$.ppm"); ++ system("rgb3toppm $tmpdir/junko$$.ppm $tmpdir/junko$$.ppm $tmpdir/junko$$.ppm " . ++ ">$tmpdir/junk1o$$.ppm"); + } + if ($i <= 10) { + my $n = $spline10[$i]; +- system("ppmmix $n junk1$$.ppm junk1o$$.ppm >junk3$$.ppm"); ++ system("ppmmix $n $tmpdir/junk1$$.ppm $tmpdir/junk1o$$.ppm >$tmpdir/junk3$$.ppm"); + } elsif ($i <= 20) { + my $n = $spline10[$i-10]; +- system("ppmmix $n junk1o$$.ppm junk2o$$.ppm >junk3$$.ppm"); ++ system("ppmmix $n $tmpdir/junk1o$$.ppm $tmpdir/junk2o$$.ppm >$tmpdir/junk3$$.ppm"); + } else { + my $n = $spline10[$i-20]; +- system("ppmmix $n junk2o$$.ppm junk2$$.ppm >junk3$$.ppm"); ++ system("ppmmix $n $tmpdir/junk2o$$.ppm $tmpdir/junk2$$.ppm >$tmpdir/junk3$$.ppm"); + } + if ($i == 10) { +- system("ppmtopgm junk2$$.ppm | pgmbentley >junko$$.ppm"); +- system("rgb3toppm junko$$.ppm junko$$.ppm junko$$.ppm " . +- ">junk2o$$.ppm"); ++ system("ppmtopgm $tmpdir/junk2$$.ppm | pgmbentley >$tmpdir/junko$$.ppm"); ++ system("rgb3toppm $tmpdir/junko$$.ppm $tmpdir/junko$$.ppm $tmpdir/junko$$.ppm " . ++ ">$tmpdir/junk2o$$.ppm"); + } + } elsif ($mode eq $BLOCK) { + if ($i <= 10) { + my $n = 1 - 1.9*$spline20[$i]; +- system("pamscale $n junk1$$.ppm | " . +- "pamscale -width $width -height $height >junk3$$.ppm"); ++ system("pamscale $n $tmpdir/junk1$$.ppm | " . ++ "pamscale -width $width -height $height >$tmpdir/junk3$$.ppm"); + } elsif ($i <= 20) { + my $n = $spline10[$i-10]; +- system("ppmmix $n junk1a$$.ppm junk2a$$.ppm >junk3$$.ppm"); ++ system("ppmmix $n $tmpdir/junk1a$$.ppm $tmpdir/junk2a$$.ppm >$tmpdir/junk3$$.ppm"); + } else { + my $n = 1 - 1.9*$spline20[31-$i]; +- system("pamscale $n junk2$$.ppm | " . +- "pamscale -width $width -height $height >junk3$$.ppm"); ++ system("pamscale $n $tmpdir/junk2$$.ppm | " . ++ "pamscale -width $width -height $height >$tmpdir/junk3$$.ppm"); + } + if ($i == 10) { +- system("cp", "junk3$$.ppm", "junk1a$$.ppm"); +- system("pamscale $n junk2$$.ppm | " . +- "pamscale -width $width -height $height >junk2a$$.ppm"); ++ system("cp", "$tmpdir/junk3$$.ppm", "$tmpdir/junk1a$$.ppm"); ++ system("pamscale $n $tmpdir/junk2$$.ppm | " . ++ "pamscale -width $width -height $height >$tmpdir/junk2a$$.ppm"); + } + } elsif ($mode eq $MIX) { + my $fade_factor = sqrt(1/($nframes-$i+1)); +- system("ppmmix $fade_factor junk1$$.ppm junk2$$.ppm >junk3$$.ppm"); ++ system("ppmmix $fade_factor $tmpdir/junk1$$.ppm $tmpdir/junk2$$.ppm >$tmpdir/junk3$$.ppm"); + } else { + print("Internal error: impossible mode value '$mode'\n"); + } + + my $outfile = sprintf("%s.%04d.ppm", $base_name, $i); +- system("cp", "junk3$$.ppm", $outfile); ++ system("cp", "$tmpdir/junk3$$.ppm", $outfile); + } + + # + # Clean up shop. + # +-system("rm junk*$$.ppm"); ++system("rm $tmpdir/junk*$$.ppm"); + + exit(0); +diff --git a/editor/ppmshadow b/editor/ppmshadow +index 62cdf8b..72e1b22 100755 +--- a/editor/ppmshadow ++++ b/editor/ppmshadow +@@ -97,9 +97,10 @@ sub makeConvolutionKernel($$) { + + + my $tmpdir = $ENV{TMPDIR} || "/tmp"; +-my $ourtmp = "$tmpdir/ppmshadow$$"; +-mkdir($ourtmp, 0777) or +- die("Unable to create directory for temporary files '$ourtmp"); ++my $ourtmp; chomp($ourtmp = `mktemp -d -t PPMshadow.XXXXXX`); ++if ($? >> 8) { ++ die "Can't create directory for temporary files"; ++} + + # Process command line options + +
-
Stefan Schantl