forked from openkylin/imagemagick
2350 lines
80 KiB
C
2350 lines
80 KiB
C
/*
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||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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||
% %
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||
% DDDD EEEEE L EEEEE GGGG AAA TTTTT EEEEE %
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% D D E L E G A A T E %
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% D D EEE L EEE G GG AAAAA T EEE %
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% D D E L E G G A A T E %
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% DDDD EEEEE LLLLL EEEEE GGG A A T EEEEE %
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% %
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% %
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% MagickCore Methods to Read/Write/Invoke Delegates %
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% %
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% Software Design %
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% Cristy %
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% October 1998 %
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% %
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% %
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% Copyright 1999-2021 ImageMagick Studio LLC, a non-profit organization %
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% dedicated to making software imaging solutions freely available. %
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% %
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% You may not use this file except in compliance with the License. You may %
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% obtain a copy of the License at %
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% %
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||
% https://imagemagick.org/script/license.php %
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% %
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% Unless required by applicable law or agreed to in writing, software %
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% distributed under the License is distributed on an "AS IS" BASIS, %
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% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. %
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% See the License for the specific language governing permissions and %
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% limitations under the License. %
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% %
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%
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% The Delegates methods associate a set of commands with a particular
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% image format. ImageMagick uses delegates for formats it does not handle
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% directly.
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%
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% Thanks to Bob Friesenhahn for the initial inspiration and design of the
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% delegates methods.
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%
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%
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*/
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/*
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Include declarations.
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*/
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#include "magick/studio.h"
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#include "magick/artifact.h"
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#include "magick/attribute.h"
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#include "magick/blob.h"
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#include "magick/client.h"
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#include "magick/configure.h"
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#include "magick/constitute.h"
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#include "magick/delegate.h"
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#include "magick/exception.h"
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#include "magick/exception-private.h"
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#include "magick/hashmap.h"
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#include "magick/image-private.h"
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#include "magick/list.h"
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#include "magick/memory_.h"
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#include "magick/nt-base-private.h"
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#include "magick/option.h"
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#include "magick/policy.h"
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#include "magick/property.h"
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#include "magick/resource_.h"
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#include "magick/semaphore.h"
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#include "magick/signature.h"
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#include "magick/string_.h"
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#include "magick/token.h"
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#include "magick/token-private.h"
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#include "magick/utility.h"
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#include "magick/utility-private.h"
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#include "magick/xml-tree.h"
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#include "magick/xml-tree-private.h"
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/*
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Define declarations.
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*/
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#define DelegateFilename "delegates.xml"
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/*
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Declare delegate map.
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*/
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static const char
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*DelegateMap = (const char *)
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"<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
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"<delegatemap>"
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" <delegate decode=\"autotrace\" stealth=\"True\" command=\""autotrace" -output-format svg -output-file "%o" "%i"\"/>"
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" <delegate decode=\"avi:decode\" stealth=\"True\" command=\""mplayer" "%i" -really-quiet -ao null -vo png:z=3\"/>"
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" <delegate decode=\"browse\" stealth=\"True\" spawn=\"True\" command=\""xdg-open" http://imagemagick.org/; rm "%i"\"/>"
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" <delegate decode=\"cgm\" thread-support=\"False\" command=\""ralcgm" -d ps -oC < "%i" > "%o" 2> "%u"\"/>"
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" <delegate decode=\"dng:decode\" command=\""ufraw-batch" --silent --create-id=also --out-type=png --out-depth=16 "--output=%u.png" "%i"\"/>"
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" <delegate decode=\"edit\" stealth=\"True\" command=\""xterm" -title "Edit Image Comment" -e vi "%o"\"/>"
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" <delegate decode=\"eps\" encode=\"pdf\" mode=\"bi\" command=\""gs" -q -dQUIET -dSAFER -dBATCH -dNOPAUSE -dNOPROMPT -dMaxBitmap=500000000 -dAlignToPixels=0 -dGridFitTT=2 "-sDEVICE=pdfwrite" "-sOutputFile=%o" "-f%i"\"/>"
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" <delegate decode=\"eps\" encode=\"ps\" mode=\"bi\" command=\""gs" -q -dQUIET -dSAFER -dBATCH -dNOPAUSE -dNOPROMPT -dMaxBitmap=500000000 -dAlignToPixels=0 -dGridFitTT=2 "-sDEVICE=ps2write" "-sOutputFile=%o" "-f%i"\"/>"
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" <delegate decode=\"fig\" command=\""fig2dev" -L ps "%i" "%o"\"/>"
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" <delegate decode=\"hpg\" command=\""hp2xx" -q -m eps -f `basename "%o"` "%i" mv -f `basename "%o"` "%o"\"/>"
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" <delegate decode=\"hpgl\" command=\""hp2xx" -q -m eps -f `basename "%o"` "%i" mv -f `basename "%o"` "%o"\"/>"
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" <delegate decode=\"htm\" command=\""html2ps" -U -o "%o" "%i"\"/>"
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" <delegate decode=\"html\" command=\""html2ps" -U -o "%o" "%i"\"/>"
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" <delegate decode=\"https\" command=\""curl" -s -k -L -o "%o" "https:%M"\"/>"
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" <delegate decode=\"ilbm\" command=\""ilbmtoppm" "%i" > "%o"\"/>"
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" <delegate decode=\"man\" command=\""groff" -man -Tps "%i" > "%o"\"/>"
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" <delegate decode=\"mpeg:decode\" stealth=\"True\" command=\""ffmpeg" -nostdin -v -1 -vframes %S -i "%i" -vcodec pam -an -f rawvideo -y "%u.pam" 2> "%Z"\"/>"
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" <delegate decode=\"null\" encode=\"mpeg:encode\" stealth=\"True\" command=\""ffmpeg" -nostdin -v -1 -mbd rd -trellis 2 -cmp 2 -subcmp 2 -g 300 -i "%M%%d.jpg" "%u.%m" 2> "%Z"\"/>"
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" <delegate decode=\"pcl:color\" stealth=\"True\" command=\""pcl6" -dQUIET -dSAFER -dBATCH -dNOPAUSE -dNOPROMPT -dMaxBitmap=500000000 -dAlignToPixels=0 -dGridFitTT=2 "-sDEVICE=ppmraw" -dTextAlphaBits=%u -dGraphicsAlphaBits=%u "-r%s" %s "-sOutputFile=%s" "%s"\"/>"
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" <delegate decode=\"pcl:cmyk\" stealth=\"True\" command=\""pcl6" -dQUIET -dSAFER -dBATCH -dNOPAUSE -dNOPROMPT -dMaxBitmap=500000000 -dAlignToPixels=0 -dGridFitTT=2 "-sDEVICE=bmpsep8" -dTextAlphaBits=%u -dGraphicsAlphaBits=%u "-r%s" %s "-sOutputFile=%s" "%s"\"/>"
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" <delegate decode=\"pcl:mono\" stealth=\"True\" command=\""pcl6" -dQUIET -dSAFER -dBATCH -dNOPAUSE -dNOPROMPT -dMaxBitmap=500000000 -dAlignToPixels=0 -dGridFitTT=2 "-sDEVICE=pbmraw" -dTextAlphaBits=%u -dGraphicsAlphaBits=%u "-r%s" %s "-sOutputFile=%s" "%s"\"/>"
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" <delegate decode=\"pdf\" encode=\"eps\" mode=\"bi\" command=\""gs" -q -dQUIET -dSAFER -dBATCH -dNOPAUSE -dNOPROMPT -dMaxBitmap=500000000 -dAlignToPixels=0 -dGridFitTT=2 "-sDEVICE=eps2write" "-sOutputFile=%o" "-f%i"\"/>"
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" <delegate decode=\"pdf\" encode=\"ps\" mode=\"bi\" command=\""gs" -q -dQUIET -dSAFER -dBATCH -dNOPAUSE -dNOPROMPT -dMaxBitmap=500000000 -dAlignToPixels=0 -dGridFitTT=2 "-sDEVICE=ps2write" "-sOutputFile=%o" "-f%i"\"/>"
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" <delegate decode=\"pnm\" encode=\"ilbm\" mode=\"encode\" command=\""ppmtoilbm" -24if "%i" > "%o"\"/>"
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" <delegate decode=\"pnm\" encode=\"launch\" mode=\"encode\" command=\""gimp" "%i"\"/>"
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" <delegate decode=\"pov\" command=\""povray" "+i"%i"" -D0 +o"%o" +fn%q +w%w +h%h +a -q9 -kfi"%s" -kff"%n" "convert" -concatenate "%o*.png" "%o"\"/>"
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" <delegate decode=\"ps\" encode=\"eps\" mode=\"bi\" command=\""gs" -q -dQUIET -dSAFER -dBATCH -dNOPAUSE -dNOPROMPT -dMaxBitmap=500000000 -dAlignToPixels=0 -dGridFitTT=2 "-sDEVICE=eps2write" "-sOutputFile=%o" "-f%i"\"/>"
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" <delegate decode=\"ps\" encode=\"pdf\" mode=\"bi\" command=\""gs" -q -dQUIET -dSAFER -dBATCH -dNOPAUSE -dNOPROMPT -dMaxBitmap=500000000 -dAlignToPixels=0 -dGridFitTT=2 "-sDEVICE=pdfwrite" "-sOutputFile=%o" "-f%i"\"/>"
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" <delegate decode=\"ps\" encode=\"print\" mode=\"encode\" command=\"lpr "%i"\"/>"
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" <delegate decode=\"ps:alpha\" stealth=\"True\" command=\""gs" -q -dQUIET -dSAFER -dBATCH -dNOPAUSE -dNOPROMPT -dMaxBitmap=500000000 -dAlignToPixels=0 -dGridFitTT=2 "-sDEVICE=pngalpha" -dTextAlphaBits=%u -dGraphicsAlphaBits=%u "-r%s" %s "-sOutputFile=%s" "-f%s" "-f%s"\"/>"
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" <delegate decode=\"ps:bbox\" stealth=\"True\" command=\""gs" -q -dQUIET -dSAFER -dBATCH -dNOPAUSE -dNOPROMPT -dMaxBitmap=500000000 -dAlignToPixels=0 -dGridFitTT=2 "-sDEVICE=bbox" -dTextAlphaBits=%u -dGraphicsAlphaBits=%u "-r%s" %s "-sOutputFile=%s" "-f%s" "-f%s"\"/>"
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" <delegate decode=\"ps:cmyk\" stealth=\"True\" command=\""gs" -q -dQUIET -dSAFER -dBATCH -dNOPAUSE -dNOPROMPT -dMaxBitmap=500000000 -dAlignToPixels=0 -dGridFitTT=2 "-sDEVICE=bmpsep8" -dTextAlphaBits=%u -dGraphicsAlphaBits=%u "-r%s" %s "-sOutputFile=%s" "-f%s" "-f%s"\"/>"
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" <delegate decode=\"ps:color\" stealth=\"True\" command=\""gs" -q -dQUIET -dSAFER -dBATCH -dNOPAUSE -dNOPROMPT -dMaxBitmap=500000000 -dAlignToPixels=0 -dGridFitTT=2 "-sDEVICE=pnmraw" -dTextAlphaBits=%u -dGraphicsAlphaBits=%u "-r%s" %s "-sOutputFile=%s" "-f%s" "-f%s"\"/>"
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" <delegate decode=\"ps:mono\" stealth=\"True\" command=\""gs" -q -dQUIET -dSAFER -dBATCH -dNOPAUSE -dNOPROMPT -dMaxBitmap=500000000 -dAlignToPixels=0 -dGridFitTT=2 "-sDEVICE=pnmraw" -dTextAlphaBits=%u -dGraphicsAlphaBits=%u "-r%s" %s "-sOutputFile=%s" "-f%s" "-f%s"\"/>"
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" <delegate decode=\"rgba\" encode=\"rle\" mode=\"encode\" command=\""rawtorle" -o "%o" -v "%i"\"/>"
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" <delegate decode=\"scan\" command=\""scanimage" -d "%i" > "%o"\"/>"
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" <delegate encode=\"show\" spawn=\"True\" command=\""display" -immutable -delay 0 -title "%M"\" "%i"\"/>"
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" <delegate decode=\"shtml\" command=\""html2ps" -U -o "%o" "%i"\"/>"
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" <delegate decode=\"svg\" command=\""rsvg" "%i" "%o"\"/>"
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" <delegate decode=\"txt\" encode=\"ps\" mode=\"bi\" command=\""enscript" -o "%o" "%i"\"/>"
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" <delegate encode=\"win\" spawn=\"True\" command=\""display" -immutable -delay 0 -title "%M"\" "%i"\"/>"
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" <delegate decode=\"wmf\" command=\""wmf2eps" -o "%o" "%i"\"/>"
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"</delegatemap>";
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/*
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Global declaractions.
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*/
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static LinkedListInfo
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*delegate_cache = (LinkedListInfo *) NULL;
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static SemaphoreInfo
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*delegate_semaphore = (SemaphoreInfo *) NULL;
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||
|
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/*
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Forward declaractions.
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||
*/
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static MagickBooleanType
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IsDelegateCacheInstantiated(ExceptionInfo *),
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LoadDelegateCache(LinkedListInfo *,const char *,const char *,const size_t,
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ExceptionInfo *);
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/*
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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||
% %
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||
% A c q u i r e D e l e g a t e C a c h e %
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||
% %
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||
% %
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||
% %
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||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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||
%
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% AcquireDelegateCache() caches one or more delegate configurations which
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% provides a mapping between delegate attributes and a delegate name.
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||
%
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||
% The format of the AcquireDelegateCache method is:
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||
%
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||
% LinkedListInfo *AcquireDelegateCache(const char *filename,
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||
% ExceptionInfo *exception)
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||
%
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||
% A description of each parameter follows:
|
||
%
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||
% o filename: the font file name.
|
||
%
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% o exception: return any errors or warnings in this structure.
|
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%
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||
*/
|
||
static LinkedListInfo *AcquireDelegateCache(const char *filename,
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ExceptionInfo *exception)
|
||
{
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LinkedListInfo
|
||
*cache;
|
||
|
||
MagickStatusType
|
||
status;
|
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|
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cache=NewLinkedList(0);
|
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if (cache == (LinkedListInfo *) NULL)
|
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ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
|
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status=MagickTrue;
|
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#if !MAGICKCORE_ZERO_CONFIGURATION_SUPPORT
|
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{
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const StringInfo
|
||
*option;
|
||
|
||
LinkedListInfo
|
||
*options;
|
||
|
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options=GetConfigureOptions(filename,exception);
|
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option=(const StringInfo *) GetNextValueInLinkedList(options);
|
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while (option != (const StringInfo *) NULL)
|
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{
|
||
status&=LoadDelegateCache(cache,(const char *)
|
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GetStringInfoDatum(option),GetStringInfoPath(option),0,exception);
|
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option=(const StringInfo *) GetNextValueInLinkedList(options);
|
||
}
|
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options=DestroyConfigureOptions(options);
|
||
}
|
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#endif
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if (IsLinkedListEmpty(cache) != MagickFalse)
|
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status&=LoadDelegateCache(cache,DelegateMap,"built-in",0,
|
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exception);
|
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return(cache);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% %
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% %
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% %
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+ D e l e g a t e C o m p o n e n t G e n e s i s %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% DelegateComponentGenesis() instantiates the delegate component.
|
||
%
|
||
% The format of the DelegateComponentGenesis method is:
|
||
%
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||
% MagickBooleanType DelegateComponentGenesis(void)
|
||
%
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||
*/
|
||
MagickExport MagickBooleanType DelegateComponentGenesis(void)
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||
{
|
||
if (delegate_semaphore == (SemaphoreInfo *) NULL)
|
||
delegate_semaphore=AllocateSemaphoreInfo();
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||
return(MagickTrue);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
% D e l e g a t e C o m p o n e n t T e r m i n u s %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% DelegateComponentTerminus() destroys the delegate component.
|
||
%
|
||
% The format of the DelegateComponentTerminus method is:
|
||
%
|
||
% DelegateComponentTerminus(void)
|
||
%
|
||
*/
|
||
|
||
static void *DestroyDelegate(void *delegate_info)
|
||
{
|
||
DelegateInfo
|
||
*p;
|
||
|
||
p=(DelegateInfo *) delegate_info;
|
||
if (p->path != (char *) NULL)
|
||
p->path=DestroyString(p->path);
|
||
if (p->decode != (char *) NULL)
|
||
p->decode=DestroyString(p->decode);
|
||
if (p->encode != (char *) NULL)
|
||
p->encode=DestroyString(p->encode);
|
||
if (p->commands != (char *) NULL)
|
||
p->commands=DestroyString(p->commands);
|
||
if (p->semaphore != (SemaphoreInfo *) NULL)
|
||
DestroySemaphoreInfo(&p->semaphore);
|
||
p=(DelegateInfo *) RelinquishMagickMemory(p);
|
||
return((void *) NULL);
|
||
}
|
||
|
||
MagickExport void DelegateComponentTerminus(void)
|
||
{
|
||
if (delegate_semaphore == (SemaphoreInfo *) NULL)
|
||
ActivateSemaphoreInfo(&delegate_semaphore);
|
||
LockSemaphoreInfo(delegate_semaphore);
|
||
if (delegate_cache != (LinkedListInfo *) NULL)
|
||
delegate_cache=DestroyLinkedList(delegate_cache,DestroyDelegate);
|
||
UnlockSemaphoreInfo(delegate_semaphore);
|
||
DestroySemaphoreInfo(&delegate_semaphore);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
+ E x t e r n a l D e l e g a t e C o m m a n d %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% ExternalDelegateCommand() executes the specified command and waits until it
|
||
% terminates. The returned value is the exit status of the command.
|
||
%
|
||
% The format of the ExternalDelegateCommand method is:
|
||
%
|
||
% int ExternalDelegateCommand(const MagickBooleanType asynchronous,
|
||
% const MagickBooleanType verbose,const char *command,
|
||
% char *message,ExceptionInfo *exception)
|
||
%
|
||
% A description of each parameter follows:
|
||
%
|
||
% o asynchronous: a value other than 0 executes the parent program
|
||
% concurrently with the new child process.
|
||
%
|
||
% o verbose: a value other than 0 prints the executed command before it is
|
||
% invoked.
|
||
%
|
||
% o command: this string is the command to execute.
|
||
%
|
||
% o message: an option buffer to receive any message posted to stdout or
|
||
% stderr.
|
||
%
|
||
% o exception: return any errors here.
|
||
%
|
||
*/
|
||
MagickExport int ExternalDelegateCommand(const MagickBooleanType asynchronous,
|
||
const MagickBooleanType verbose,const char *command,char *message,
|
||
ExceptionInfo *exception)
|
||
{
|
||
char
|
||
**arguments,
|
||
*sanitize_command;
|
||
|
||
int
|
||
number_arguments,
|
||
status;
|
||
|
||
PolicyDomain
|
||
domain;
|
||
|
||
PolicyRights
|
||
rights;
|
||
|
||
ssize_t
|
||
i;
|
||
|
||
status=(-1);
|
||
arguments=StringToArgv(command,&number_arguments);
|
||
if (arguments == (char **) NULL)
|
||
return(status);
|
||
if (*arguments[1] == '\0')
|
||
{
|
||
for (i=0; i < (ssize_t) number_arguments; i++)
|
||
arguments[i]=DestroyString(arguments[i]);
|
||
arguments=(char **) RelinquishMagickMemory(arguments);
|
||
return(-1);
|
||
}
|
||
rights=ExecutePolicyRights;
|
||
domain=DelegatePolicyDomain;
|
||
if (IsRightsAuthorized(domain,rights,arguments[1]) == MagickFalse)
|
||
{
|
||
errno=EPERM;
|
||
(void) ThrowMagickException(exception,GetMagickModule(),PolicyError,
|
||
"NotAuthorized","`%s'",arguments[1]);
|
||
for (i=0; i < (ssize_t) number_arguments; i++)
|
||
arguments[i]=DestroyString(arguments[i]);
|
||
arguments=(char **) RelinquishMagickMemory(arguments);
|
||
return(-1);
|
||
}
|
||
if (verbose != MagickFalse)
|
||
{
|
||
(void) FormatLocaleFile(stderr,"%s\n",command);
|
||
(void) fflush(stderr);
|
||
}
|
||
sanitize_command=SanitizeString(command);
|
||
if (asynchronous != MagickFalse)
|
||
(void) ConcatenateMagickString(sanitize_command,"&",MaxTextExtent);
|
||
if (message != (char *) NULL)
|
||
*message='\0';
|
||
#if defined(MAGICKCORE_POSIX_SUPPORT)
|
||
#if defined(MAGICKCORE_HAVE_POPEN)
|
||
if ((asynchronous == MagickFalse) && (message != (char *) NULL))
|
||
{
|
||
char
|
||
buffer[MagickPathExtent];
|
||
|
||
FILE
|
||
*file;
|
||
|
||
size_t
|
||
offset;
|
||
|
||
offset=0;
|
||
file=popen_utf8(sanitize_command,"r");
|
||
if (file == (FILE *) NULL)
|
||
status=system(sanitize_command);
|
||
else
|
||
{
|
||
while (fgets(buffer,(int) sizeof(buffer),file) != NULL)
|
||
{
|
||
size_t
|
||
length;
|
||
|
||
length=MagickMin(MagickPathExtent-offset,strlen(buffer)+1);
|
||
if (length > 0)
|
||
{
|
||
(void) CopyMagickString(message+offset,buffer,length);
|
||
offset+=length-1;
|
||
}
|
||
}
|
||
status=pclose(file);
|
||
}
|
||
}
|
||
else
|
||
#endif
|
||
{
|
||
#if !defined(MAGICKCORE_HAVE_EXECVP)
|
||
status=system(sanitize_command);
|
||
#else
|
||
if ((asynchronous != MagickFalse) ||
|
||
(strpbrk(sanitize_command,"&;<>|") != (char *) NULL))
|
||
status=system(sanitize_command);
|
||
else
|
||
{
|
||
pid_t
|
||
child_pid;
|
||
|
||
/*
|
||
Call application directly rather than from a shell.
|
||
*/
|
||
child_pid=(pid_t) fork();
|
||
if (child_pid == (pid_t) -1)
|
||
status=system(sanitize_command);
|
||
else
|
||
if (child_pid == 0)
|
||
{
|
||
status=execvp(arguments[1],arguments+1);
|
||
_exit(1);
|
||
}
|
||
else
|
||
{
|
||
int
|
||
child_status;
|
||
|
||
pid_t
|
||
pid;
|
||
|
||
child_status=0;
|
||
pid=(pid_t) waitpid(child_pid,&child_status,0);
|
||
if (pid == -1)
|
||
status=(-1);
|
||
else
|
||
{
|
||
if (WIFEXITED(child_status) != 0)
|
||
status=WEXITSTATUS(child_status);
|
||
else
|
||
if (WIFSIGNALED(child_status))
|
||
status=(-1);
|
||
}
|
||
}
|
||
}
|
||
#endif
|
||
}
|
||
#elif defined(MAGICKCORE_WINDOWS_SUPPORT)
|
||
{
|
||
char
|
||
*p;
|
||
|
||
/*
|
||
If a command shell is executed we need to change the forward slashes in
|
||
files to a backslash. We need to do this to keep Windows happy when we
|
||
want to 'move' a file.
|
||
|
||
TODO: This won't work if one of the delegate parameters has a forward
|
||
slash as aparameter.
|
||
*/
|
||
p=strstr(sanitize_command,"cmd.exe /c");
|
||
if (p != (char*) NULL)
|
||
{
|
||
p+=10;
|
||
for ( ; *p != '\0'; p++)
|
||
if (*p == '/')
|
||
*p=(*DirectorySeparator);
|
||
}
|
||
}
|
||
status=NTSystemCommand(sanitize_command,message);
|
||
#elif defined(vms)
|
||
status=system(sanitize_command);
|
||
#else
|
||
# error No suitable system() method.
|
||
#endif
|
||
if (status < 0)
|
||
{
|
||
if ((message != (char *) NULL) && (*message != '\0'))
|
||
(void) ThrowMagickException(exception,GetMagickModule(),DelegateError,
|
||
"FailedToExecuteCommand","`%s' (%s)",sanitize_command,message);
|
||
else
|
||
(void) ThrowMagickException(exception,GetMagickModule(),DelegateError,
|
||
"FailedToExecuteCommand","`%s' (%d)",sanitize_command,status);
|
||
}
|
||
sanitize_command=DestroyString(sanitize_command);
|
||
for (i=0; i < (ssize_t) number_arguments; i++)
|
||
arguments[i]=DestroyString(arguments[i]);
|
||
arguments=(char **) RelinquishMagickMemory(arguments);
|
||
return(status);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
% G e t D e l e g a t e C o m m a n d %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% GetDelegateCommand() replaces any embedded formatting characters with the
|
||
% appropriate image attribute and returns the resulting command.
|
||
%
|
||
% The format of the GetDelegateCommand method is:
|
||
%
|
||
% char *GetDelegateCommand(const ImageInfo *image_info,Image *image,
|
||
% const char *decode,const char *encode,ExceptionInfo *exception)
|
||
%
|
||
% A description of each parameter follows:
|
||
%
|
||
% o command: Method GetDelegateCommand returns the command associated
|
||
% with specified delegate tag.
|
||
%
|
||
% o image_info: the image info.
|
||
%
|
||
% o image: the image.
|
||
%
|
||
% o decode: Specifies the decode delegate we are searching for as a
|
||
% character string.
|
||
%
|
||
% o encode: Specifies the encode delegate we are searching for as a
|
||
% character string.
|
||
%
|
||
% o exception: return any errors or warnings in this structure.
|
||
%
|
||
*/
|
||
|
||
static char *GetMagickPropertyLetter(const ImageInfo *image_info,Image *image,
|
||
const char letter)
|
||
{
|
||
char
|
||
value[MaxTextExtent];
|
||
|
||
const char
|
||
*string;
|
||
|
||
assert(image != (Image *) NULL);
|
||
assert(image->signature == MagickCoreSignature);
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
|
||
*value='\0';
|
||
string=(const char *) value;
|
||
switch (letter)
|
||
{
|
||
case 'a':
|
||
{
|
||
/*
|
||
Authentication passphrase.
|
||
*/
|
||
if (image_info->authenticate != (char *) NULL)
|
||
string=image_info->authenticate;
|
||
break;
|
||
}
|
||
case 'b':
|
||
{
|
||
/*
|
||
Image size read in - in bytes.
|
||
*/
|
||
(void) FormatMagickSize(image->extent,MagickFalse,value);
|
||
if (image->extent == 0)
|
||
(void) FormatMagickSize(GetBlobSize(image),MagickFalse,value);
|
||
break;
|
||
}
|
||
case 'd':
|
||
{
|
||
/*
|
||
Directory component of filename.
|
||
*/
|
||
GetPathComponent(image->magick_filename,HeadPath,value);
|
||
break;
|
||
}
|
||
case 'e':
|
||
{
|
||
/*
|
||
Filename extension (suffix) of image file.
|
||
*/
|
||
GetPathComponent(image->magick_filename,ExtensionPath,value);
|
||
break;
|
||
}
|
||
case 'f':
|
||
{
|
||
/*
|
||
Filename without directory component.
|
||
*/
|
||
GetPathComponent(image->magick_filename,TailPath,value);
|
||
break;
|
||
}
|
||
case 'g':
|
||
{
|
||
/*
|
||
Image geometry, canvas and offset %Wx%H+%X+%Y.
|
||
*/
|
||
(void) FormatLocaleString(value,MaxTextExtent,"%.20gx%.20g%+.20g%+.20g",
|
||
(double) image->page.width,(double) image->page.height,
|
||
(double) image->page.x,(double) image->page.y);
|
||
break;
|
||
}
|
||
case 'h':
|
||
{
|
||
/*
|
||
Image height (current).
|
||
*/
|
||
(void) FormatLocaleString(value,MaxTextExtent,"%.20g",(double)
|
||
(image->rows != 0 ? image->rows : image->magick_rows));
|
||
break;
|
||
}
|
||
case 'i':
|
||
{
|
||
/*
|
||
Filename last used for image (read or write).
|
||
*/
|
||
string=image->filename;
|
||
break;
|
||
}
|
||
case 'm':
|
||
{
|
||
/*
|
||
Image format (file magick).
|
||
*/
|
||
string=image->magick;
|
||
break;
|
||
}
|
||
case 'n':
|
||
{
|
||
/*
|
||
Number of images in the list.
|
||
*/
|
||
(void) FormatLocaleString(value,MaxTextExtent,"%.20g",(double)
|
||
GetImageListLength(image));
|
||
break;
|
||
}
|
||
case 'o':
|
||
{
|
||
/*
|
||
Output Filename - for delegate use only
|
||
*/
|
||
string=image_info->filename;
|
||
break;
|
||
}
|
||
case 'p':
|
||
{
|
||
/*
|
||
Image index in current image list -- As 'n' OBSOLETE.
|
||
*/
|
||
(void) FormatLocaleString(value,MaxTextExtent,"%.20g",(double)
|
||
GetImageIndexInList(image));
|
||
break;
|
||
}
|
||
case 'q':
|
||
{
|
||
/*
|
||
Quantum depth of image in memory.
|
||
*/
|
||
(void) FormatLocaleString(value,MaxTextExtent,"%.20g",(double)
|
||
MAGICKCORE_QUANTUM_DEPTH);
|
||
break;
|
||
}
|
||
case 'r':
|
||
{
|
||
ColorspaceType
|
||
colorspace;
|
||
|
||
/*
|
||
Image storage class and colorspace.
|
||
*/
|
||
colorspace=image->colorspace;
|
||
if (SetImageGray(image,&image->exception) != MagickFalse)
|
||
colorspace=GRAYColorspace;
|
||
(void) FormatLocaleString(value,MaxTextExtent,"%s %s %s",
|
||
CommandOptionToMnemonic(MagickClassOptions,(ssize_t)
|
||
image->storage_class),CommandOptionToMnemonic(MagickColorspaceOptions,
|
||
(ssize_t) colorspace),image->matte != MagickFalse ? "Matte" : "" );
|
||
break;
|
||
}
|
||
case 's':
|
||
{
|
||
/*
|
||
Image scene number.
|
||
*/
|
||
if (image_info->number_scenes != 0)
|
||
(void) FormatLocaleString(value,MaxTextExtent,"%.20g",(double)
|
||
image_info->scene);
|
||
else
|
||
(void) FormatLocaleString(value,MaxTextExtent,"%.20g",(double)
|
||
image->scene);
|
||
break;
|
||
}
|
||
case 't':
|
||
{
|
||
/*
|
||
Base filename without directory or extension.
|
||
*/
|
||
GetPathComponent(image->magick_filename,BasePath,value);
|
||
break;
|
||
}
|
||
case 'u':
|
||
{
|
||
/*
|
||
Unique filename.
|
||
*/
|
||
string=image_info->unique;
|
||
break;
|
||
}
|
||
case 'w':
|
||
{
|
||
/*
|
||
Image width (current).
|
||
*/
|
||
(void) FormatLocaleString(value,MaxTextExtent,"%.20g",(double)
|
||
(image->columns != 0 ? image->columns : image->magick_columns));
|
||
break;
|
||
}
|
||
case 'x':
|
||
{
|
||
/*
|
||
Image horizontal resolution.
|
||
*/
|
||
(void) FormatLocaleString(value,MaxTextExtent,"%.20g",
|
||
fabs(image->x_resolution) > MagickEpsilon ? image->x_resolution : 72.0);
|
||
break;
|
||
}
|
||
case 'y':
|
||
{
|
||
/*
|
||
Image vertical resolution.
|
||
*/
|
||
(void) FormatLocaleString(value,MaxTextExtent,"%.20g",
|
||
fabs(image->y_resolution) > MagickEpsilon ? image->y_resolution : 72.0);
|
||
break;
|
||
}
|
||
case 'z':
|
||
{
|
||
/*
|
||
Image depth.
|
||
*/
|
||
(void) FormatLocaleString(value,MaxTextExtent,"%.20g",(double)
|
||
image->depth);
|
||
break;
|
||
}
|
||
case 'A':
|
||
{
|
||
/*
|
||
Image alpha channel.
|
||
*/
|
||
(void) FormatLocaleString(value,MaxTextExtent,"%s",
|
||
CommandOptionToMnemonic(MagickBooleanOptions,(ssize_t) image->matte));
|
||
break;
|
||
}
|
||
case 'C':
|
||
{
|
||
/*
|
||
Image compression method.
|
||
*/
|
||
(void) FormatLocaleString(value,MaxTextExtent,"%s",
|
||
CommandOptionToMnemonic(MagickCompressOptions,(ssize_t)
|
||
image->compression));
|
||
break;
|
||
}
|
||
case 'D':
|
||
{
|
||
/*
|
||
Image dispose method.
|
||
*/
|
||
(void) FormatLocaleString(value,MaxTextExtent,"%s",
|
||
CommandOptionToMnemonic(MagickDisposeOptions,(ssize_t) image->dispose));
|
||
break;
|
||
}
|
||
case 'F':
|
||
{
|
||
|
||
/*
|
||
Magick filename - filename given incl. coder & read mods.
|
||
*/
|
||
(void) CopyMagickString(value,image->magick_filename,MaxTextExtent);
|
||
break;
|
||
}
|
||
case 'G':
|
||
{
|
||
/*
|
||
Image size as geometry = "%wx%h".
|
||
*/
|
||
(void) FormatLocaleString(value,MaxTextExtent,"%.20gx%.20g",(double)
|
||
image->magick_columns,(double) image->magick_rows);
|
||
break;
|
||
}
|
||
case 'H':
|
||
{
|
||
/*
|
||
Layer canvas height.
|
||
*/
|
||
(void) FormatLocaleString(value,MaxTextExtent,"%.20g",(double)
|
||
image->page.height);
|
||
break;
|
||
}
|
||
case 'I':
|
||
{
|
||
/*
|
||
Image iterations for animations.
|
||
*/
|
||
(void) FormatLocaleString(value,MaxTextExtent,"%.20g",(double)
|
||
image->iterations);
|
||
break;
|
||
}
|
||
case 'M':
|
||
{
|
||
/*
|
||
Magick filename - filename given incl. coder & read mods.
|
||
*/
|
||
string=image->magick_filename;
|
||
break;
|
||
}
|
||
case 'O':
|
||
{
|
||
/*
|
||
Layer canvas offset with sign = "+%X+%Y".
|
||
*/
|
||
(void) FormatLocaleString(value,MaxTextExtent,"%+ld%+ld",(long)
|
||
image->page.x,(long) image->page.y);
|
||
break;
|
||
}
|
||
case 'P':
|
||
{
|
||
/*
|
||
Layer canvas page size = "%Wx%H".
|
||
*/
|
||
(void) FormatLocaleString(value,MaxTextExtent,"%.20gx%.20g",(double)
|
||
image->page.width,(double) image->page.height);
|
||
break;
|
||
}
|
||
case '~':
|
||
{
|
||
/*
|
||
BPG Image compression quality.
|
||
*/
|
||
(void) FormatLocaleString(value,MaxTextExtent,"%.20g",(double)
|
||
(100-(image->quality == 0 ? 42 : image->quality))/2);
|
||
break;
|
||
}
|
||
case 'Q':
|
||
{
|
||
/*
|
||
Image compression quality.
|
||
*/
|
||
(void) FormatLocaleString(value,MaxTextExtent,"%.20g",(double)
|
||
(image->quality == 0 ? 92 : image->quality));
|
||
break;
|
||
}
|
||
case 'S':
|
||
{
|
||
/*
|
||
Image scenes.
|
||
*/
|
||
if (image_info->number_scenes == 0)
|
||
string="2147483647";
|
||
else
|
||
{
|
||
(void) FormatLocaleString(value,MaxTextExtent,"%.20g",(double)
|
||
image_info->scene+image_info->number_scenes);
|
||
}
|
||
break;
|
||
}
|
||
case 'T':
|
||
{
|
||
/*
|
||
Image time delay for animations.
|
||
*/
|
||
(void) FormatLocaleString(value,MaxTextExtent,"%.20g",(double)
|
||
image->delay);
|
||
break;
|
||
}
|
||
case 'U':
|
||
{
|
||
/*
|
||
Image resolution units.
|
||
*/
|
||
(void) FormatLocaleString(value,MaxTextExtent,"%s",
|
||
CommandOptionToMnemonic(MagickResolutionOptions,(ssize_t)
|
||
image->units));
|
||
break;
|
||
}
|
||
case 'W':
|
||
{
|
||
/*
|
||
Layer canvas width.
|
||
*/
|
||
(void) FormatLocaleString(value,MaxTextExtent,"%.20g",(double)
|
||
image->page.width);
|
||
break;
|
||
}
|
||
case 'X':
|
||
{
|
||
/*
|
||
Layer canvas X offset.
|
||
*/
|
||
(void) FormatLocaleString(value,MaxTextExtent,"%+.20g",(double)
|
||
image->page.x);
|
||
break;
|
||
}
|
||
case 'Y':
|
||
{
|
||
/*
|
||
Layer canvas Y offset.
|
||
*/
|
||
(void) FormatLocaleString(value,MaxTextExtent,"%+.20g",(double)
|
||
image->page.y);
|
||
break;
|
||
}
|
||
case 'Z':
|
||
{
|
||
/*
|
||
Zero filename.
|
||
*/
|
||
string=image_info->zero;
|
||
break;
|
||
}
|
||
case '@':
|
||
{
|
||
RectangleInfo
|
||
page;
|
||
|
||
/*
|
||
Image bounding box.
|
||
*/
|
||
page=GetImageBoundingBox(image,&image->exception);
|
||
(void) FormatLocaleString(value,MaxTextExtent,"%.20gx%.20g%+.20g%+.20g",
|
||
(double) page.width,(double) page.height,(double) page.x,(double)
|
||
page.y);
|
||
break;
|
||
}
|
||
case '#':
|
||
{
|
||
/*
|
||
Image signature.
|
||
*/
|
||
(void) SignatureImage(image);
|
||
string=GetImageProperty(image,"signature");
|
||
break;
|
||
}
|
||
case '%':
|
||
{
|
||
/*
|
||
Percent escaped.
|
||
*/
|
||
string="%";
|
||
break;
|
||
}
|
||
}
|
||
return(SanitizeDelegateString(string));
|
||
}
|
||
|
||
static char *InterpretDelegateProperties(const ImageInfo *image_info,
|
||
Image *image,const char *embed_text)
|
||
{
|
||
#define ExtendInterpretText(string_length) \
|
||
{ \
|
||
size_t length=(string_length); \
|
||
if ((size_t) (q-interpret_text+length+1) >= extent) \
|
||
{ \
|
||
extent+=length; \
|
||
interpret_text=(char *) ResizeQuantumMemory(interpret_text,extent+ \
|
||
MaxTextExtent,sizeof(*interpret_text)); \
|
||
if (interpret_text == (char *) NULL) \
|
||
return((char *) NULL); \
|
||
q=interpret_text+strlen(interpret_text); \
|
||
} \
|
||
}
|
||
|
||
#define AppendKeyValue2Text(key,value)\
|
||
{ \
|
||
size_t length=strlen(key)+strlen(value)+2; \
|
||
if ((size_t) (q-interpret_text+length+1) >= extent) \
|
||
{ \
|
||
extent+=length; \
|
||
interpret_text=(char *) ResizeQuantumMemory(interpret_text,extent+ \
|
||
MaxTextExtent,sizeof(*interpret_text)); \
|
||
if (interpret_text == (char *) NULL) \
|
||
return((char *) NULL); \
|
||
q=interpret_text+strlen(interpret_text); \
|
||
} \
|
||
q+=FormatLocaleString(q,extent,"%s=%s\n",(key),(value)); \
|
||
}
|
||
|
||
#define AppendString2Text(string) \
|
||
{ \
|
||
size_t length=strlen((string)); \
|
||
if ((size_t) (q-interpret_text+length+1) >= extent) \
|
||
{ \
|
||
extent+=length; \
|
||
interpret_text=(char *) ResizeQuantumMemory(interpret_text,extent+ \
|
||
MaxTextExtent,sizeof(*interpret_text)); \
|
||
if (interpret_text == (char *) NULL) \
|
||
return((char *) NULL); \
|
||
q=interpret_text+strlen(interpret_text); \
|
||
} \
|
||
(void) CopyMagickString(q,(string),extent); \
|
||
q+=length; \
|
||
}
|
||
|
||
char
|
||
*interpret_text,
|
||
*property;
|
||
|
||
char
|
||
*q; /* current position in interpret_text */
|
||
|
||
const char
|
||
*p; /* position in embed_text string being expanded */
|
||
|
||
size_t
|
||
extent; /* allocated length of interpret_text */
|
||
|
||
MagickBooleanType
|
||
number;
|
||
|
||
assert(image != (Image *) NULL);
|
||
assert(image->signature == MagickCoreSignature);
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
|
||
if (embed_text == (const char *) NULL)
|
||
return(ConstantString(""));
|
||
p=embed_text;
|
||
while ((isspace((int) ((unsigned char) *p)) != 0) && (*p != '\0'))
|
||
p++;
|
||
if (*p == '\0')
|
||
return(ConstantString(""));
|
||
/*
|
||
Translate any embedded format characters.
|
||
*/
|
||
interpret_text=AcquireString(embed_text); /* new string with extra space */
|
||
extent=MaxTextExtent; /* how many extra space */
|
||
number=MagickFalse; /* is last char a number? */
|
||
for (q=interpret_text; *p!='\0';
|
||
number=(isdigit((int) ((unsigned char) *p))) ? MagickTrue : MagickFalse,p++)
|
||
{
|
||
/*
|
||
Interpret escape characters (e.g. Filename: %M).
|
||
*/
|
||
*q='\0';
|
||
ExtendInterpretText(MaxTextExtent);
|
||
switch (*p)
|
||
{
|
||
case '\\':
|
||
{
|
||
switch (*(p+1))
|
||
{
|
||
case '\0':
|
||
continue;
|
||
case 'r': /* convert to RETURN */
|
||
{
|
||
*q++='\r';
|
||
p++;
|
||
continue;
|
||
}
|
||
case 'n': /* convert to NEWLINE */
|
||
{
|
||
*q++='\n';
|
||
p++;
|
||
continue;
|
||
}
|
||
case '\n': /* EOL removal UNIX,MacOSX */
|
||
{
|
||
p++;
|
||
continue;
|
||
}
|
||
case '\r': /* EOL removal DOS,Windows */
|
||
{
|
||
p++;
|
||
if (*p == '\n') /* return-newline EOL */
|
||
p++;
|
||
continue;
|
||
}
|
||
default:
|
||
{
|
||
p++;
|
||
*q++=(*p);
|
||
}
|
||
}
|
||
continue;
|
||
}
|
||
case '&':
|
||
{
|
||
if (LocaleNCompare("<",p,4) == 0)
|
||
{
|
||
*q++='<';
|
||
p+=3;
|
||
}
|
||
else
|
||
if (LocaleNCompare(">",p,4) == 0)
|
||
{
|
||
*q++='>';
|
||
p+=3;
|
||
}
|
||
else
|
||
if (LocaleNCompare("&",p,5) == 0)
|
||
{
|
||
*q++='&';
|
||
p+=4;
|
||
}
|
||
else
|
||
*q++=(*p);
|
||
continue;
|
||
}
|
||
case '%':
|
||
break; /* continue to next set of handlers */
|
||
default:
|
||
{
|
||
*q++=(*p); /* any thing else is 'as normal' */
|
||
continue;
|
||
}
|
||
}
|
||
p++; /* advance beyond the percent */
|
||
/*
|
||
Doubled percent - or percent at end of string.
|
||
*/
|
||
if ((*p == '\0') || (*p == '\'') || (*p == '"'))
|
||
p--;
|
||
if (*p == '%')
|
||
{
|
||
*q++='%';
|
||
continue;
|
||
}
|
||
/*
|
||
Single letter escapes %c.
|
||
*/
|
||
if (number != MagickFalse)
|
||
{
|
||
*q++='%'; /* do NOT substitute the percent */
|
||
p--; /* back up one */
|
||
continue;
|
||
}
|
||
property=GetMagickPropertyLetter(image_info,image,*p);
|
||
if (property != (char *) NULL)
|
||
{
|
||
AppendString2Text(property);
|
||
property=DestroyString(property);
|
||
continue;
|
||
}
|
||
(void) ThrowMagickException(&image->exception,GetMagickModule(),
|
||
OptionWarning,"UnknownImageProperty","\"%%%c\"",*p);
|
||
}
|
||
*q='\0';
|
||
return(interpret_text);
|
||
}
|
||
|
||
MagickExport char *GetDelegateCommand(const ImageInfo *image_info,Image *image,
|
||
const char *decode,const char *encode,ExceptionInfo *exception)
|
||
{
|
||
char
|
||
*command,
|
||
**commands;
|
||
|
||
const DelegateInfo
|
||
*delegate_info;
|
||
|
||
ssize_t
|
||
i;
|
||
|
||
assert(image_info != (ImageInfo *) NULL);
|
||
assert(image_info->signature == MagickCoreSignature);
|
||
assert(image != (Image *) NULL);
|
||
assert(image->signature == MagickCoreSignature);
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
|
||
delegate_info=GetDelegateInfo(decode,encode,exception);
|
||
if (delegate_info == (const DelegateInfo *) NULL)
|
||
{
|
||
(void) ThrowMagickException(exception,GetMagickModule(),DelegateError,
|
||
"NoTagFound","`%s'",decode ? decode : encode);
|
||
return((char *) NULL);
|
||
}
|
||
commands=StringToList(delegate_info->commands);
|
||
if (commands == (char **) NULL)
|
||
{
|
||
(void) ThrowMagickException(exception,GetMagickModule(),
|
||
ResourceLimitError,"MemoryAllocationFailed","`%s'",
|
||
decode ? decode : encode);
|
||
return((char *) NULL);
|
||
}
|
||
command=InterpretDelegateProperties(image_info,image,commands[0]);
|
||
if (command == (char *) NULL)
|
||
(void) ThrowMagickException(exception,GetMagickModule(),ResourceLimitError,
|
||
"MemoryAllocationFailed","`%s'",commands[0]);
|
||
/*
|
||
Relinquish resources.
|
||
*/
|
||
for (i=0; commands[i] != (char *) NULL; i++)
|
||
commands[i]=DestroyString(commands[i]);
|
||
commands=(char **) RelinquishMagickMemory(commands);
|
||
return(command);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
% G e t D e l e g a t e C o m m a n d s %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% GetDelegateCommands() returns the commands associated with a delegate.
|
||
%
|
||
% The format of the GetDelegateCommands method is:
|
||
%
|
||
% const char *GetDelegateCommands(const DelegateInfo *delegate_info)
|
||
%
|
||
% A description of each parameter follows:
|
||
%
|
||
% o delegate_info: The delegate info.
|
||
%
|
||
*/
|
||
MagickExport const char *GetDelegateCommands(const DelegateInfo *delegate_info)
|
||
{
|
||
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
|
||
assert(delegate_info != (DelegateInfo *) NULL);
|
||
assert(delegate_info->signature == MagickCoreSignature);
|
||
return(delegate_info->commands);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
% G e t D e l e g a t e I n f o %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% GetDelegateInfo() returns any delegates associated with the specified tag.
|
||
%
|
||
% The format of the GetDelegateInfo method is:
|
||
%
|
||
% const DelegateInfo *GetDelegateInfo(const char *decode,
|
||
% const char *encode,ExceptionInfo *exception)
|
||
%
|
||
% A description of each parameter follows:
|
||
%
|
||
% o decode: Specifies the decode delegate we are searching for as a
|
||
% character string.
|
||
%
|
||
% o encode: Specifies the encode delegate we are searching for as a
|
||
% character string.
|
||
%
|
||
% o exception: return any errors or warnings in this structure.
|
||
%
|
||
*/
|
||
MagickExport const DelegateInfo *GetDelegateInfo(const char *decode,
|
||
const char *encode,ExceptionInfo *exception)
|
||
{
|
||
const DelegateInfo
|
||
*p;
|
||
|
||
assert(exception != (ExceptionInfo *) NULL);
|
||
if (IsDelegateCacheInstantiated(exception) == MagickFalse)
|
||
return((const DelegateInfo *) NULL);
|
||
/*
|
||
Search for named delegate.
|
||
*/
|
||
LockSemaphoreInfo(delegate_semaphore);
|
||
ResetLinkedListIterator(delegate_cache);
|
||
p=(const DelegateInfo *) GetNextValueInLinkedList(delegate_cache);
|
||
if ((LocaleCompare(decode,"*") == 0) && (LocaleCompare(encode,"*") == 0))
|
||
{
|
||
UnlockSemaphoreInfo(delegate_semaphore);
|
||
return(p);
|
||
}
|
||
while (p != (const DelegateInfo *) NULL)
|
||
{
|
||
if (p->mode > 0)
|
||
{
|
||
if (LocaleCompare(p->decode,decode) == 0)
|
||
break;
|
||
p=(const DelegateInfo *) GetNextValueInLinkedList(delegate_cache);
|
||
continue;
|
||
}
|
||
if (p->mode < 0)
|
||
{
|
||
if (LocaleCompare(p->encode,encode) == 0)
|
||
break;
|
||
p=(const DelegateInfo *) GetNextValueInLinkedList(delegate_cache);
|
||
continue;
|
||
}
|
||
if (LocaleCompare(decode,p->decode) == 0)
|
||
if (LocaleCompare(encode,p->encode) == 0)
|
||
break;
|
||
if (LocaleCompare(decode,"*") == 0)
|
||
if (LocaleCompare(encode,p->encode) == 0)
|
||
break;
|
||
if (LocaleCompare(decode,p->decode) == 0)
|
||
if (LocaleCompare(encode,"*") == 0)
|
||
break;
|
||
p=(const DelegateInfo *) GetNextValueInLinkedList(delegate_cache);
|
||
}
|
||
if (p != (const DelegateInfo *) NULL)
|
||
(void) InsertValueInLinkedList(delegate_cache,0,
|
||
RemoveElementByValueFromLinkedList(delegate_cache,p));
|
||
UnlockSemaphoreInfo(delegate_semaphore);
|
||
return(p);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
% G e t D e l e g a t e I n f o L i s t %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% GetDelegateInfoList() returns any delegates that match the specified pattern.
|
||
%
|
||
% The delegate of the GetDelegateInfoList function is:
|
||
%
|
||
% const DelegateInfo **GetDelegateInfoList(const char *pattern,
|
||
% size_t *number_delegates,ExceptionInfo *exception)
|
||
%
|
||
% A description of each parameter follows:
|
||
%
|
||
% o pattern: Specifies a pointer to a text string containing a pattern.
|
||
%
|
||
% o number_delegates: This integer returns the number of delegates in the
|
||
% list.
|
||
%
|
||
% o exception: return any errors or warnings in this structure.
|
||
%
|
||
*/
|
||
|
||
#if defined(__cplusplus) || defined(c_plusplus)
|
||
extern "C" {
|
||
#endif
|
||
|
||
static int DelegateInfoCompare(const void *x,const void *y)
|
||
{
|
||
const DelegateInfo
|
||
**p,
|
||
**q;
|
||
|
||
int
|
||
cmp;
|
||
|
||
p=(const DelegateInfo **) x,
|
||
q=(const DelegateInfo **) y;
|
||
cmp=LocaleCompare((*p)->path,(*q)->path);
|
||
if (cmp == 0)
|
||
{
|
||
if ((*p)->decode == (char *) NULL)
|
||
if (((*p)->encode != (char *) NULL) &&
|
||
((*q)->encode != (char *) NULL))
|
||
return(strcmp((*p)->encode,(*q)->encode));
|
||
if (((*p)->decode != (char *) NULL) &&
|
||
((*q)->decode != (char *) NULL))
|
||
return(strcmp((*p)->decode,(*q)->decode));
|
||
}
|
||
return(cmp);
|
||
}
|
||
|
||
#if defined(__cplusplus) || defined(c_plusplus)
|
||
}
|
||
#endif
|
||
|
||
MagickExport const DelegateInfo **GetDelegateInfoList(const char *pattern,
|
||
size_t *number_delegates,ExceptionInfo *exception)
|
||
{
|
||
const DelegateInfo
|
||
**delegates;
|
||
|
||
const DelegateInfo
|
||
*p;
|
||
|
||
ssize_t
|
||
i;
|
||
|
||
/*
|
||
Allocate delegate list.
|
||
*/
|
||
assert(pattern != (char *) NULL);
|
||
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",pattern);
|
||
assert(number_delegates != (size_t *) NULL);
|
||
*number_delegates=0;
|
||
p=GetDelegateInfo("*","*",exception);
|
||
if (p == (const DelegateInfo *) NULL)
|
||
return((const DelegateInfo **) NULL);
|
||
delegates=(const DelegateInfo **) AcquireQuantumMemory((size_t)
|
||
GetNumberOfElementsInLinkedList(delegate_cache)+1UL,sizeof(*delegates));
|
||
if (delegates == (const DelegateInfo **) NULL)
|
||
return((const DelegateInfo **) NULL);
|
||
/*
|
||
Generate delegate list.
|
||
*/
|
||
LockSemaphoreInfo(delegate_semaphore);
|
||
ResetLinkedListIterator(delegate_cache);
|
||
p=(const DelegateInfo *) GetNextValueInLinkedList(delegate_cache);
|
||
for (i=0; p != (const DelegateInfo *) NULL; )
|
||
{
|
||
if ((p->stealth == MagickFalse) &&
|
||
((GlobExpression(p->decode,pattern,MagickFalse) != MagickFalse) ||
|
||
(GlobExpression(p->encode,pattern,MagickFalse) != MagickFalse)))
|
||
delegates[i++]=p;
|
||
p=(const DelegateInfo *) GetNextValueInLinkedList(delegate_cache);
|
||
}
|
||
UnlockSemaphoreInfo(delegate_semaphore);
|
||
qsort((void *) delegates,(size_t) i,sizeof(*delegates),DelegateInfoCompare);
|
||
delegates[i]=(DelegateInfo *) NULL;
|
||
*number_delegates=(size_t) i;
|
||
return(delegates);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
% G e t D e l e g a t e L i s t %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% GetDelegateList() returns any image format delegates that match the
|
||
% specified pattern.
|
||
%
|
||
% The format of the GetDelegateList function is:
|
||
%
|
||
% char **GetDelegateList(const char *pattern,
|
||
% size_t *number_delegates,ExceptionInfo *exception)
|
||
%
|
||
% A description of each parameter follows:
|
||
%
|
||
% o pattern: Specifies a pointer to a text string containing a pattern.
|
||
%
|
||
% o number_delegates: This integer returns the number of delegates
|
||
% in the list.
|
||
%
|
||
% o exception: return any errors or warnings in this structure.
|
||
%
|
||
*/
|
||
|
||
#if defined(__cplusplus) || defined(c_plusplus)
|
||
extern "C" {
|
||
#endif
|
||
|
||
static int DelegateCompare(const void *x,const void *y)
|
||
{
|
||
const char
|
||
**p,
|
||
**q;
|
||
|
||
p=(const char **) x;
|
||
q=(const char **) y;
|
||
return(LocaleCompare(*p,*q));
|
||
}
|
||
|
||
#if defined(__cplusplus) || defined(c_plusplus)
|
||
}
|
||
#endif
|
||
|
||
MagickExport char **GetDelegateList(const char *pattern,
|
||
size_t *number_delegates,ExceptionInfo *exception)
|
||
{
|
||
char
|
||
**delegates;
|
||
|
||
const DelegateInfo
|
||
*p;
|
||
|
||
ssize_t
|
||
i;
|
||
|
||
/*
|
||
Allocate delegate list.
|
||
*/
|
||
assert(pattern != (char *) NULL);
|
||
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",pattern);
|
||
assert(number_delegates != (size_t *) NULL);
|
||
*number_delegates=0;
|
||
p=GetDelegateInfo("*","*",exception);
|
||
if (p == (const DelegateInfo *) NULL)
|
||
return((char **) NULL);
|
||
delegates=(char **) AcquireQuantumMemory((size_t)
|
||
GetNumberOfElementsInLinkedList(delegate_cache)+1UL,sizeof(*delegates));
|
||
if (delegates == (char **) NULL)
|
||
return((char **) NULL);
|
||
LockSemaphoreInfo(delegate_semaphore);
|
||
ResetLinkedListIterator(delegate_cache);
|
||
p=(const DelegateInfo *) GetNextValueInLinkedList(delegate_cache);
|
||
for (i=0; p != (const DelegateInfo *) NULL; )
|
||
{
|
||
if ((p->stealth == MagickFalse) &&
|
||
(GlobExpression(p->decode,pattern,MagickFalse) != MagickFalse))
|
||
delegates[i++]=ConstantString(p->decode);
|
||
if ((p->stealth == MagickFalse) &&
|
||
(GlobExpression(p->encode,pattern,MagickFalse) != MagickFalse))
|
||
delegates[i++]=ConstantString(p->encode);
|
||
p=(const DelegateInfo *) GetNextValueInLinkedList(delegate_cache);
|
||
}
|
||
UnlockSemaphoreInfo(delegate_semaphore);
|
||
qsort((void *) delegates,(size_t) i,sizeof(*delegates),DelegateCompare);
|
||
delegates[i]=(char *) NULL;
|
||
*number_delegates=(size_t) i;
|
||
return(delegates);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
% G e t D e l e g a t e M o d e %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% GetDelegateMode() returns the mode of the delegate.
|
||
%
|
||
% The format of the GetDelegateMode method is:
|
||
%
|
||
% ssize_t GetDelegateMode(const DelegateInfo *delegate_info)
|
||
%
|
||
% A description of each parameter follows:
|
||
%
|
||
% o delegate_info: The delegate info.
|
||
%
|
||
*/
|
||
MagickExport ssize_t GetDelegateMode(const DelegateInfo *delegate_info)
|
||
{
|
||
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
|
||
assert(delegate_info != (DelegateInfo *) NULL);
|
||
assert(delegate_info->signature == MagickCoreSignature);
|
||
return(delegate_info->mode);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
+ G e t D e l e g a t e T h r e a d S u p p o r t %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% GetDelegateThreadSupport() returns MagickTrue if the delegate supports
|
||
% threads.
|
||
%
|
||
% The format of the GetDelegateThreadSupport method is:
|
||
%
|
||
% MagickBooleanType GetDelegateThreadSupport(
|
||
% const DelegateInfo *delegate_info)
|
||
%
|
||
% A description of each parameter follows:
|
||
%
|
||
% o delegate_info: The delegate info.
|
||
%
|
||
*/
|
||
MagickExport MagickBooleanType GetDelegateThreadSupport(
|
||
const DelegateInfo *delegate_info)
|
||
{
|
||
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
|
||
assert(delegate_info != (DelegateInfo *) NULL);
|
||
assert(delegate_info->signature == MagickCoreSignature);
|
||
return(delegate_info->thread_support);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
+ I s D e l e g a t e C a c h e I n s t a n t i a t e d %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% IsDelegateCacheInstantiated() determines if the delegate cache is
|
||
% instantiated. If not, it instantiates the cache and returns it.
|
||
%
|
||
% The format of the IsDelegateInstantiated method is:
|
||
%
|
||
% MagickBooleanType IsDelegateCacheInstantiated(ExceptionInfo *exception)
|
||
%
|
||
% A description of each parameter follows.
|
||
%
|
||
% o exception: return any errors or warnings in this structure.
|
||
%
|
||
*/
|
||
static MagickBooleanType IsDelegateCacheInstantiated(ExceptionInfo *exception)
|
||
{
|
||
if (delegate_cache == (LinkedListInfo *) NULL)
|
||
{
|
||
if (delegate_semaphore == (SemaphoreInfo *) NULL)
|
||
ActivateSemaphoreInfo(&delegate_semaphore);
|
||
LockSemaphoreInfo(delegate_semaphore);
|
||
if (delegate_cache == (LinkedListInfo *) NULL)
|
||
delegate_cache=AcquireDelegateCache(DelegateFilename,exception);
|
||
UnlockSemaphoreInfo(delegate_semaphore);
|
||
}
|
||
return(delegate_cache != (LinkedListInfo *) NULL ? MagickTrue : MagickFalse);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
% I n v o k e D e l e g a t e %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% InvokeDelegate replaces any embedded formatting characters with the
|
||
% appropriate image attribute and executes the resulting command. MagickFalse
|
||
% is returned if the commands execute with success otherwise MagickTrue.
|
||
%
|
||
% The format of the InvokeDelegate method is:
|
||
%
|
||
% MagickBooleanType InvokeDelegate(ImageInfo *image_info,Image *image,
|
||
% const char *decode,const char *encode,ExceptionInfo *exception)
|
||
%
|
||
% A description of each parameter follows:
|
||
%
|
||
% o image_info: the imageInfo.
|
||
%
|
||
% o image: the image.
|
||
%
|
||
% o exception: return any errors or warnings in this structure.
|
||
%
|
||
*/
|
||
|
||
static MagickBooleanType CopyDelegateFile(const char *source,
|
||
const char *destination,const MagickBooleanType overwrite)
|
||
{
|
||
int
|
||
destination_file,
|
||
source_file;
|
||
|
||
MagickBooleanType
|
||
status;
|
||
|
||
size_t
|
||
i;
|
||
|
||
size_t
|
||
length,
|
||
quantum;
|
||
|
||
ssize_t
|
||
count;
|
||
|
||
struct stat
|
||
attributes;
|
||
|
||
unsigned char
|
||
*buffer;
|
||
|
||
/*
|
||
Copy source file to destination.
|
||
*/
|
||
assert(source != (const char *) NULL);
|
||
assert(destination != (char *) NULL);
|
||
if (overwrite == MagickFalse)
|
||
{
|
||
status=GetPathAttributes(destination,&attributes);
|
||
if (status != MagickFalse)
|
||
return(MagickTrue);
|
||
}
|
||
destination_file=open_utf8(destination,O_WRONLY | O_BINARY | O_CREAT,S_MODE);
|
||
if (destination_file == -1)
|
||
return(MagickFalse);
|
||
source_file=open_utf8(source,O_RDONLY | O_BINARY,0);
|
||
if (source_file == -1)
|
||
{
|
||
(void) close(destination_file);
|
||
return(MagickFalse);
|
||
}
|
||
quantum=(size_t) MagickMaxBufferExtent;
|
||
if ((fstat(source_file,&attributes) == 0) && (attributes.st_size > 0))
|
||
quantum=MagickMin((size_t) attributes.st_size,MagickMaxBufferExtent);
|
||
buffer=(unsigned char *) AcquireQuantumMemory(quantum,sizeof(*buffer));
|
||
if (buffer == (unsigned char *) NULL)
|
||
{
|
||
(void) close(source_file);
|
||
(void) close(destination_file);
|
||
return(MagickFalse);
|
||
}
|
||
length=0;
|
||
for (i=0; ; i+=count)
|
||
{
|
||
count=(ssize_t) read(source_file,buffer,quantum);
|
||
if (count <= 0)
|
||
break;
|
||
length=(size_t) count;
|
||
count=(ssize_t) write(destination_file,buffer,length);
|
||
if ((size_t) count != length)
|
||
break;
|
||
}
|
||
(void) close(destination_file);
|
||
(void) close(source_file);
|
||
buffer=(unsigned char *) RelinquishMagickMemory(buffer);
|
||
return(i != 0 ? MagickTrue : MagickFalse);
|
||
}
|
||
|
||
MagickExport MagickBooleanType InvokeDelegate(ImageInfo *image_info,
|
||
Image *image,const char *decode,const char *encode,ExceptionInfo *exception)
|
||
{
|
||
char
|
||
*command,
|
||
**commands,
|
||
input_filename[MaxTextExtent],
|
||
output_filename[MaxTextExtent];
|
||
|
||
const DelegateInfo
|
||
*delegate_info;
|
||
|
||
MagickBooleanType
|
||
status,
|
||
temporary;
|
||
|
||
PolicyRights
|
||
rights;
|
||
|
||
ssize_t
|
||
i;
|
||
|
||
/*
|
||
Get delegate.
|
||
*/
|
||
assert(image_info != (ImageInfo *) NULL);
|
||
assert(image_info->signature == MagickCoreSignature);
|
||
assert(image != (Image *) NULL);
|
||
assert(image->signature == MagickCoreSignature);
|
||
if (image->debug != MagickFalse)
|
||
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
|
||
rights=ExecutePolicyRights;
|
||
if (IsRightsAuthorized(DelegatePolicyDomain,rights,decode) == MagickFalse)
|
||
{
|
||
errno=EPERM;
|
||
(void) ThrowMagickException(exception,GetMagickModule(),PolicyError,
|
||
"NotAuthorized","`%s'",decode);
|
||
return(MagickFalse);
|
||
}
|
||
if (IsRightsAuthorized(DelegatePolicyDomain,rights,encode) == MagickFalse)
|
||
{
|
||
errno=EPERM;
|
||
(void) ThrowMagickException(exception,GetMagickModule(),PolicyError,
|
||
"NotAuthorized","`%s'",encode);
|
||
return(MagickFalse);
|
||
}
|
||
temporary=(*image->filename == '\0') ? MagickTrue : MagickFalse;
|
||
if (temporary != MagickFalse)
|
||
if (AcquireUniqueFilename(image->filename) == MagickFalse)
|
||
{
|
||
ThrowFileException(exception,FileOpenError,
|
||
"UnableToCreateTemporaryFile",image->filename);
|
||
return(MagickFalse);
|
||
}
|
||
delegate_info=GetDelegateInfo(decode,encode,exception);
|
||
if (delegate_info == (DelegateInfo *) NULL)
|
||
{
|
||
if (temporary != MagickFalse)
|
||
(void) RelinquishUniqueFileResource(image->filename);
|
||
(void) ThrowMagickException(exception,GetMagickModule(),DelegateError,
|
||
"NoTagFound","`%s'",decode ? decode : encode);
|
||
return(MagickFalse);
|
||
}
|
||
if (*image_info->filename == '\0')
|
||
{
|
||
if (AcquireUniqueFilename(image_info->filename) == MagickFalse)
|
||
{
|
||
if (temporary != MagickFalse)
|
||
(void) RelinquishUniqueFileResource(image->filename);
|
||
ThrowFileException(exception,FileOpenError,
|
||
"UnableToCreateTemporaryFile",image_info->filename);
|
||
return(MagickFalse);
|
||
}
|
||
image_info->temporary=MagickTrue;
|
||
}
|
||
if ((delegate_info->mode != 0) && (((decode != (const char *) NULL) &&
|
||
(delegate_info->encode != (char *) NULL)) ||
|
||
((encode != (const char *) NULL) &&
|
||
(delegate_info->decode != (char *) NULL))))
|
||
{
|
||
char
|
||
*magick;
|
||
|
||
ImageInfo
|
||
*clone_info;
|
||
|
||
Image
|
||
*p;
|
||
|
||
/*
|
||
Delegate requires a particular image format.
|
||
*/
|
||
if (AcquireUniqueFilename(image_info->unique) == MagickFalse)
|
||
{
|
||
ThrowFileException(exception,FileOpenError,
|
||
"UnableToCreateTemporaryFile",image_info->unique);
|
||
return(MagickFalse);
|
||
}
|
||
if (AcquireUniqueFilename(image_info->zero) == MagickFalse)
|
||
{
|
||
(void) RelinquishUniqueFileResource(image_info->unique);
|
||
ThrowFileException(exception,FileOpenError,
|
||
"UnableToCreateTemporaryFile",image_info->zero);
|
||
return(MagickFalse);
|
||
}
|
||
magick=InterpretDelegateProperties(image_info,image,
|
||
decode != (char *) NULL ? delegate_info->encode :
|
||
delegate_info->decode);
|
||
if (magick == (char *) NULL)
|
||
{
|
||
(void) RelinquishUniqueFileResource(image_info->unique);
|
||
(void) RelinquishUniqueFileResource(image_info->zero);
|
||
if (temporary != MagickFalse)
|
||
(void) RelinquishUniqueFileResource(image->filename);
|
||
(void) ThrowMagickException(exception,GetMagickModule(),
|
||
DelegateError,"DelegateFailed","`%s'",decode ? decode : encode);
|
||
return(MagickFalse);
|
||
}
|
||
LocaleUpper(magick);
|
||
clone_info=CloneImageInfo(image_info);
|
||
(void) CopyMagickString((char *) clone_info->magick,magick,MaxTextExtent);
|
||
if (LocaleCompare(magick,"NULL") != 0)
|
||
(void) CopyMagickString(image->magick,magick,MaxTextExtent);
|
||
magick=DestroyString(magick);
|
||
(void) FormatLocaleString(clone_info->filename,MaxTextExtent,"%s:",
|
||
delegate_info->decode);
|
||
(void) SetImageInfo(clone_info,(unsigned int) GetImageListLength(image),
|
||
exception);
|
||
(void) CopyMagickString(clone_info->filename,image_info->filename,
|
||
MaxTextExtent);
|
||
(void) CopyMagickString(image_info->filename,image->filename,
|
||
MaxTextExtent);
|
||
for (p=image; p != (Image *) NULL; p=GetNextImageInList(p))
|
||
{
|
||
(void) FormatLocaleString(p->filename,MaxTextExtent,"%s:%s",
|
||
delegate_info->decode,clone_info->filename);
|
||
status=WriteImage(clone_info,p);
|
||
if (status == MagickFalse)
|
||
{
|
||
(void) RelinquishUniqueFileResource(image_info->unique);
|
||
(void) RelinquishUniqueFileResource(image_info->zero);
|
||
if (temporary != MagickFalse)
|
||
(void) RelinquishUniqueFileResource(image->filename);
|
||
clone_info=DestroyImageInfo(clone_info);
|
||
(void) ThrowMagickException(exception,GetMagickModule(),
|
||
DelegateError,"DelegateFailed","`%s'",decode ? decode : encode);
|
||
return(MagickFalse);
|
||
}
|
||
if (clone_info->adjoin != MagickFalse)
|
||
break;
|
||
}
|
||
(void) RelinquishUniqueFileResource(image_info->unique);
|
||
(void) RelinquishUniqueFileResource(image_info->zero);
|
||
clone_info=DestroyImageInfo(clone_info);
|
||
}
|
||
/*
|
||
Invoke delegate.
|
||
*/
|
||
commands=StringToList(delegate_info->commands);
|
||
if (commands == (char **) NULL)
|
||
{
|
||
if (temporary != MagickFalse)
|
||
(void) RelinquishUniqueFileResource(image->filename);
|
||
(void) ThrowMagickException(exception,GetMagickModule(),
|
||
ResourceLimitError,"MemoryAllocationFailed","`%s'",
|
||
decode ? decode : encode);
|
||
return(MagickFalse);
|
||
}
|
||
command=(char *) NULL;
|
||
status=MagickFalse;
|
||
(void) CopyMagickString(output_filename,image_info->filename,MaxTextExtent);
|
||
(void) CopyMagickString(input_filename,image->filename,MaxTextExtent);
|
||
for (i=0; commands[i] != (char *) NULL; i++)
|
||
{
|
||
status=AcquireUniqueSymbolicLink(output_filename,image_info->filename);
|
||
if (AcquireUniqueFilename(image_info->unique) == MagickFalse)
|
||
{
|
||
ThrowFileException(exception,FileOpenError,
|
||
"UnableToCreateTemporaryFile",image_info->unique);
|
||
break;
|
||
}
|
||
if (AcquireUniqueFilename(image_info->zero) == MagickFalse)
|
||
{
|
||
(void) RelinquishUniqueFileResource(image_info->unique);
|
||
ThrowFileException(exception,FileOpenError,
|
||
"UnableToCreateTemporaryFile",image_info->zero);
|
||
break;
|
||
}
|
||
if (LocaleCompare(decode,"SCAN") != 0)
|
||
{
|
||
status=AcquireUniqueSymbolicLink(input_filename,image->filename);
|
||
if (status == MagickFalse)
|
||
{
|
||
ThrowFileException(exception,FileOpenError,
|
||
"UnableToCreateTemporaryFile",input_filename);
|
||
break;
|
||
}
|
||
}
|
||
status=MagickFalse;
|
||
command=InterpretDelegateProperties(image_info,image,commands[i]);
|
||
if (command != (char *) NULL)
|
||
{
|
||
/*
|
||
Execute delegate.
|
||
*/
|
||
status=ExternalDelegateCommand(delegate_info->spawn,image_info->verbose,
|
||
command,(char *) NULL,exception) != 0 ? MagickTrue : MagickFalse;
|
||
if (delegate_info->spawn != MagickFalse)
|
||
{
|
||
ssize_t
|
||
count;
|
||
|
||
/*
|
||
Wait for input file to 'disappear', or maximum 2 seconds.
|
||
*/
|
||
count=20;
|
||
while ((count-- > 0) && (access_utf8(image->filename,F_OK) == 0))
|
||
(void) MagickDelay(100); /* sleep 0.1 seconds */
|
||
}
|
||
command=DestroyString(command);
|
||
}
|
||
if (LocaleCompare(decode,"SCAN") != 0)
|
||
{
|
||
if (CopyDelegateFile(image->filename,input_filename,MagickFalse) == MagickFalse)
|
||
(void) RelinquishUniqueFileResource(input_filename);
|
||
}
|
||
if ((strcmp(input_filename,output_filename) != 0) &&
|
||
(CopyDelegateFile(image_info->filename,output_filename,MagickTrue) == MagickFalse))
|
||
(void) RelinquishUniqueFileResource(output_filename);
|
||
if (image_info->temporary != MagickFalse)
|
||
(void) RelinquishUniqueFileResource(image_info->filename);
|
||
(void) RelinquishUniqueFileResource(image_info->unique);
|
||
(void) RelinquishUniqueFileResource(image_info->zero);
|
||
(void) RelinquishUniqueFileResource(image_info->filename);
|
||
(void) RelinquishUniqueFileResource(image->filename);
|
||
if (status != MagickFalse)
|
||
{
|
||
(void) ThrowMagickException(exception,GetMagickModule(),DelegateError,
|
||
"DelegateFailed","`%s'",commands[i]);
|
||
break;
|
||
}
|
||
commands[i]=DestroyString(commands[i]);
|
||
}
|
||
(void) CopyMagickString(image_info->filename,output_filename,MaxTextExtent);
|
||
(void) CopyMagickString(image->filename,input_filename,MaxTextExtent);
|
||
/*
|
||
Relinquish resources.
|
||
*/
|
||
for ( ; commands[i] != (char *) NULL; i++)
|
||
commands[i]=DestroyString(commands[i]);
|
||
commands=(char **) RelinquishMagickMemory(commands);
|
||
if (temporary != MagickFalse)
|
||
(void) RelinquishUniqueFileResource(image->filename);
|
||
return(status == MagickFalse ? MagickTrue : MagickFalse);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
% L i s t D e l e g a t e I n f o %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% ListDelegateInfo() lists the image formats to a file.
|
||
%
|
||
% The format of the ListDelegateInfo method is:
|
||
%
|
||
% MagickBooleanType ListDelegateInfo(FILE *file,ExceptionInfo *exception)
|
||
%
|
||
% A description of each parameter follows.
|
||
%
|
||
% o file: An pointer to a FILE.
|
||
%
|
||
% o exception: return any errors or warnings in this structure.
|
||
%
|
||
*/
|
||
MagickExport MagickBooleanType ListDelegateInfo(FILE *file,
|
||
ExceptionInfo *exception)
|
||
{
|
||
const DelegateInfo
|
||
**delegate_info;
|
||
|
||
char
|
||
**commands,
|
||
delegate[MaxTextExtent];
|
||
|
||
const char
|
||
*path;
|
||
|
||
ssize_t
|
||
i;
|
||
|
||
size_t
|
||
number_delegates;
|
||
|
||
ssize_t
|
||
j;
|
||
|
||
if (file == (const FILE *) NULL)
|
||
file=stdout;
|
||
delegate_info=GetDelegateInfoList("*",&number_delegates,exception);
|
||
if (delegate_info == (const DelegateInfo **) NULL)
|
||
return(MagickFalse);
|
||
path=(const char *) NULL;
|
||
for (i=0; i < (ssize_t) number_delegates; i++)
|
||
{
|
||
if (delegate_info[i]->stealth != MagickFalse)
|
||
continue;
|
||
if ((path == (const char *) NULL) ||
|
||
(LocaleCompare(path,delegate_info[i]->path) != 0))
|
||
{
|
||
if (delegate_info[i]->path != (char *) NULL)
|
||
(void) FormatLocaleFile(file,"\nPath: %s\n\n",delegate_info[i]->path);
|
||
(void) FormatLocaleFile(file,"Delegate Command\n");
|
||
(void) FormatLocaleFile(file,
|
||
"-------------------------------------------------"
|
||
"------------------------------\n");
|
||
}
|
||
path=delegate_info[i]->path;
|
||
*delegate='\0';
|
||
if (delegate_info[i]->encode != (char *) NULL)
|
||
(void) CopyMagickString(delegate,delegate_info[i]->encode,MaxTextExtent);
|
||
(void) ConcatenateMagickString(delegate," ",MaxTextExtent);
|
||
delegate[8]='\0';
|
||
commands=StringToList(delegate_info[i]->commands);
|
||
if (commands == (char **) NULL)
|
||
continue;
|
||
(void) FormatLocaleFile(file,"%11s%c=%c%s ",delegate_info[i]->decode ?
|
||
delegate_info[i]->decode : "",delegate_info[i]->mode <= 0 ? '<' : ' ',
|
||
delegate_info[i]->mode >= 0 ? '>' : ' ',delegate);
|
||
StripString(commands[0]);
|
||
(void) FormatLocaleFile(file,"\"%s\"\n",commands[0]);
|
||
for (j=1; commands[j] != (char *) NULL; j++)
|
||
{
|
||
StripString(commands[j]);
|
||
(void) FormatLocaleFile(file," \"%s\"\n",commands[j]);
|
||
}
|
||
for (j=0; commands[j] != (char *) NULL; j++)
|
||
commands[j]=DestroyString(commands[j]);
|
||
commands=(char **) RelinquishMagickMemory(commands);
|
||
}
|
||
(void) fflush(file);
|
||
delegate_info=(const DelegateInfo **)
|
||
RelinquishMagickMemory((void *) delegate_info);
|
||
return(MagickTrue);
|
||
}
|
||
|
||
/*
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
% %
|
||
% %
|
||
% %
|
||
+ L o a d D e l e g a t e L i s t %
|
||
% %
|
||
% %
|
||
% %
|
||
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
||
%
|
||
% LoadDelegateCache() loads the delegate configurations which provides a
|
||
% mapping between delegate attributes and a delegate name.
|
||
%
|
||
% The format of the LoadDelegateCache method is:
|
||
%
|
||
% MagickBooleanType LoadDelegateCache(LinkedListInfo *cache,
|
||
% const char *xml,const char *filename,const size_t depth,
|
||
% ExceptionInfo *exception)
|
||
%
|
||
% A description of each parameter follows:
|
||
%
|
||
% o xml: The delegate list in XML format.
|
||
%
|
||
% o filename: The delegate list filename.
|
||
%
|
||
% o depth: depth of <include /> statements.
|
||
%
|
||
% o exception: return any errors or warnings in this structure.
|
||
%
|
||
*/
|
||
static MagickBooleanType LoadDelegateCache(LinkedListInfo *cache,
|
||
const char *xml,const char *filename,const size_t depth,
|
||
ExceptionInfo *exception)
|
||
{
|
||
char
|
||
keyword[MaxTextExtent],
|
||
*token;
|
||
|
||
const char
|
||
*q;
|
||
|
||
DelegateInfo
|
||
*delegate_info;
|
||
|
||
MagickStatusType
|
||
status;
|
||
|
||
size_t
|
||
extent;
|
||
|
||
/*
|
||
Load the delegate map file.
|
||
*/
|
||
(void) LogMagickEvent(ConfigureEvent,GetMagickModule(),
|
||
"Loading delegate configuration file \"%s\" ...",filename);
|
||
if (xml == (const char *) NULL)
|
||
return(MagickFalse);
|
||
status=MagickTrue;
|
||
delegate_info=(DelegateInfo *) NULL;
|
||
token=AcquireString(xml);
|
||
extent=strlen(token)+MaxTextExtent;
|
||
for (q=(const char *) xml; *q != '\0'; )
|
||
{
|
||
/*
|
||
Interpret XML.
|
||
*/
|
||
(void) GetNextToken(q,&q,extent,token);
|
||
if (*token == '\0')
|
||
break;
|
||
(void) CopyMagickString(keyword,token,MaxTextExtent);
|
||
if (LocaleNCompare(keyword,"<!DOCTYPE",9) == 0)
|
||
{
|
||
/*
|
||
Doctype element.
|
||
*/
|
||
while ((LocaleNCompare(q,"]>",2) != 0) && (*q != '\0'))
|
||
(void) GetNextToken(q,&q,extent,token);
|
||
continue;
|
||
}
|
||
if (LocaleNCompare(keyword,"<!--",4) == 0)
|
||
{
|
||
/*
|
||
Comment element.
|
||
*/
|
||
while ((LocaleNCompare(q,"->",2) != 0) && (*q != '\0'))
|
||
(void) GetNextToken(q,&q,extent,token);
|
||
continue;
|
||
}
|
||
if (LocaleCompare(keyword,"<include") == 0)
|
||
{
|
||
/*
|
||
Include element.
|
||
*/
|
||
while (((*token != '/') && (*(token+1) != '>')) && (*q != '\0'))
|
||
{
|
||
(void) CopyMagickString(keyword,token,MaxTextExtent);
|
||
(void) GetNextToken(q,&q,extent,token);
|
||
if (*token != '=')
|
||
continue;
|
||
(void) GetNextToken(q,&q,extent,token);
|
||
if (LocaleCompare(keyword,"file") == 0)
|
||
{
|
||
if (depth > MagickMaxRecursionDepth)
|
||
(void) ThrowMagickException(exception,GetMagickModule(),
|
||
ConfigureError,"IncludeElementNestedTooDeeply","`%s'",token);
|
||
else
|
||
{
|
||
char
|
||
path[MaxTextExtent],
|
||
*xml;
|
||
|
||
GetPathComponent(filename,HeadPath,path);
|
||
if (*path != '\0')
|
||
(void) ConcatenateMagickString(path,DirectorySeparator,
|
||
MaxTextExtent);
|
||
if (*token == *DirectorySeparator)
|
||
(void) CopyMagickString(path,token,MaxTextExtent);
|
||
else
|
||
(void) ConcatenateMagickString(path,token,MaxTextExtent);
|
||
xml=FileToXML(path,~0UL);
|
||
if (xml != (char *) NULL)
|
||
{
|
||
status&=LoadDelegateCache(cache,xml,path,depth+1,
|
||
exception);
|
||
xml=(char *) RelinquishMagickMemory(xml);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
continue;
|
||
}
|
||
if (LocaleCompare(keyword,"<delegate") == 0)
|
||
{
|
||
/*
|
||
Delegate element.
|
||
*/
|
||
delegate_info=(DelegateInfo *) AcquireQuantumMemory(1,
|
||
sizeof(*delegate_info));
|
||
if (delegate_info == (DelegateInfo *) NULL)
|
||
ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
|
||
(void) memset(delegate_info,0,sizeof(*delegate_info));
|
||
delegate_info->path=ConstantString(filename);
|
||
delegate_info->thread_support=MagickTrue;
|
||
delegate_info->signature=MagickCoreSignature;
|
||
continue;
|
||
}
|
||
if (delegate_info == (DelegateInfo *) NULL)
|
||
continue;
|
||
if ((LocaleCompare(keyword,"/>") == 0) ||
|
||
(LocaleCompare(keyword,"</policy>") == 0))
|
||
{
|
||
status=AppendValueToLinkedList(cache,delegate_info);
|
||
if (status == MagickFalse)
|
||
(void) ThrowMagickException(exception,GetMagickModule(),
|
||
ResourceLimitError,"MemoryAllocationFailed","`%s'",
|
||
delegate_info->commands);
|
||
delegate_info=(DelegateInfo *) NULL;
|
||
continue;
|
||
}
|
||
(void) GetNextToken(q,(const char **) NULL,extent,token);
|
||
if (*token != '=')
|
||
continue;
|
||
(void) GetNextToken(q,&q,extent,token);
|
||
(void) GetNextToken(q,&q,extent,token);
|
||
switch (*keyword)
|
||
{
|
||
case 'C':
|
||
case 'c':
|
||
{
|
||
if (LocaleCompare((char *) keyword,"command") == 0)
|
||
{
|
||
char
|
||
*commands;
|
||
|
||
commands=AcquireString(token);
|
||
#if defined(MAGICKCORE_WINDOWS_SUPPORT)
|
||
if (strchr(commands,'@') != (char *) NULL)
|
||
{
|
||
char
|
||
path[MaxTextExtent];
|
||
|
||
NTGhostscriptEXE(path,MaxTextExtent);
|
||
(void) SubstituteString((char **) &commands,"@PSDelegate@",
|
||
path);
|
||
(void) SubstituteString((char **) &commands,"\\","/");
|
||
}
|
||
(void) SubstituteString((char **) &commands,""","\"");
|
||
#else
|
||
(void) SubstituteString((char **) &commands,""","'");
|
||
#endif
|
||
(void) SubstituteString((char **) &commands,"&","&");
|
||
(void) SubstituteString((char **) &commands,">",">");
|
||
(void) SubstituteString((char **) &commands,"<","<");
|
||
delegate_info->commands=commands;
|
||
break;
|
||
}
|
||
break;
|
||
}
|
||
case 'D':
|
||
case 'd':
|
||
{
|
||
if (LocaleCompare((char *) keyword,"decode") == 0)
|
||
{
|
||
delegate_info->decode=ConstantString(token);
|
||
delegate_info->mode=1;
|
||
break;
|
||
}
|
||
break;
|
||
}
|
||
case 'E':
|
||
case 'e':
|
||
{
|
||
if (LocaleCompare((char *) keyword,"encode") == 0)
|
||
{
|
||
delegate_info->encode=ConstantString(token);
|
||
delegate_info->mode=(-1);
|
||
break;
|
||
}
|
||
break;
|
||
}
|
||
case 'M':
|
||
case 'm':
|
||
{
|
||
if (LocaleCompare((char *) keyword,"mode") == 0)
|
||
{
|
||
delegate_info->mode=1;
|
||
if (LocaleCompare(token,"bi") == 0)
|
||
delegate_info->mode=0;
|
||
else
|
||
if (LocaleCompare(token,"encode") == 0)
|
||
delegate_info->mode=(-1);
|
||
break;
|
||
}
|
||
break;
|
||
}
|
||
case 'S':
|
||
case 's':
|
||
{
|
||
if (LocaleCompare((char *) keyword,"spawn") == 0)
|
||
{
|
||
delegate_info->spawn=IsMagickTrue(token);
|
||
break;
|
||
}
|
||
if (LocaleCompare((char *) keyword,"stealth") == 0)
|
||
{
|
||
delegate_info->stealth=IsMagickTrue(token);
|
||
break;
|
||
}
|
||
break;
|
||
}
|
||
case 'T':
|
||
case 't':
|
||
{
|
||
if (LocaleCompare((char *) keyword,"thread-support") == 0)
|
||
{
|
||
delegate_info->thread_support=IsMagickTrue(token);
|
||
if (delegate_info->thread_support == MagickFalse)
|
||
delegate_info->semaphore=AllocateSemaphoreInfo();
|
||
break;
|
||
}
|
||
break;
|
||
}
|
||
default:
|
||
break;
|
||
}
|
||
}
|
||
token=(char *) RelinquishMagickMemory(token);
|
||
return(status != 0 ? MagickTrue : MagickFalse);
|
||
}
|