| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % DDDD EEEEE L EEEEE GGGG AAA TTTTT EEEEE % |
| % D D E L E G A A T E % |
| % D D EEE L EEE G GG AAAAA T EEE % |
| % D D E L E G G A A T E % |
| % DDDD EEEEE LLLLL EEEEE GGG A A T EEEEE % |
| % % |
| % % |
| % MagickCore Methods to Read/Write/Invoke Delegates % |
| % % |
| % Software Design % |
| % Cristy % |
| % October 1998 % |
| % % |
| % % |
| % Copyright 1999-2015 ImageMagick Studio LLC, a non-profit organization % |
| % dedicated to making software imaging solutions freely available. % |
| % % |
| % You may not use this file except in compliance with the License. You may % |
| % obtain a copy of the License at % |
| % % |
| % http://www.imagemagick.org/script/license.php % |
| % % |
| % Unless required by applicable law or agreed to in writing, software % |
| % distributed under the License is distributed on an "AS IS" BASIS, % |
| % WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. % |
| % See the License for the specific language governing permissions and % |
| % limitations under the License. % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % The Delegates methods associate a set of commands with a particular |
| % image format. ImageMagick uses delegates for formats it does not handle |
| % directly. |
| % |
| % Thanks to Bob Friesenhahn for the initial inspiration and design of the |
| % delegates methods. |
| % |
| % |
| */ |
| |
| /* |
| Include declarations. |
| */ |
| #include "MagickCore/studio.h" |
| #include "MagickCore/property.h" |
| #include "MagickCore/blob.h" |
| #include "MagickCore/client.h" |
| #include "MagickCore/configure.h" |
| #include "MagickCore/constitute.h" |
| #include "MagickCore/delegate.h" |
| #include "MagickCore/delegate-private.h" |
| #include "MagickCore/exception.h" |
| #include "MagickCore/exception-private.h" |
| #include "MagickCore/hashmap.h" |
| #include "MagickCore/image-private.h" |
| #include "MagickCore/list.h" |
| #include "MagickCore/memory_.h" |
| #include "MagickCore/nt-base-private.h" |
| #include "MagickCore/policy.h" |
| #include "MagickCore/resource_.h" |
| #include "MagickCore/semaphore.h" |
| #include "MagickCore/string_.h" |
| #include "MagickCore/token.h" |
| #include "MagickCore/utility.h" |
| #include "MagickCore/utility-private.h" |
| #include "MagickCore/xml-tree.h" |
| #include "MagickCore/xml-tree-private.h" |
| |
| /* |
| Define declarations. |
| */ |
| #define DelegateFilename "delegates.xml" |
| |
| /* |
| Declare delegate map. |
| */ |
| static const char |
| *DelegateMap = (const char *) |
| "<?xml version=\"1.0\" encoding=\"UTF-8\"?>" |
| "<delegatemap>" |
| " <delegate decode=\"autotrace\" stealth=\"True\" command=\""autotrace" -output-format svg -output-file "%o" "%i"\"/>" |
| " <delegate decode=\"avi:decode\" stealth=\"True\" command=\""mplayer" "%i" -really-quiet -ao null -vo png:z=3\"/>" |
| " <delegate decode=\"browse\" stealth=\"True\" spawn=\"True\" command=\""xdg-open" http://www.imagemagick.org/; rm "%i"\"/>" |
| " <delegate decode=\"cgm\" thread-support=\"False\" command=\""ralcgm" -d ps -oC < "%i" > "%o" 2> "%u"\"/>" |
| " <delegate decode=\"dng:decode\" command=\""ufraw-batch" --silent --create-id=also --out-type=png --out-depth=16 "--output=%u.png" "%i"\"/>" |
| " <delegate decode=\"edit\" stealth=\"True\" command=\""xterm" -title "Edit Image Comment" -e vi "%o"\"/>" |
| " <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"\"/>" |
| " <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"\"/>" |
| " <delegate decode=\"fig\" command=\""fig2dev" -L ps "%i" "%o"\"/>" |
| " <delegate decode=\"gplt\" command=\""echo" "set size 1.25,0.62 set terminal postscript portrait color solid; set output "%o"; load "%i"" > "%u";"gnuplot" "%u"\"/>" |
| " <delegate decode=\"hpg\" command=\""hp2xx" -q -m eps -f `basename "%o"` "%i" mv -f `basename "%o"` "%o"\"/>" |
| " <delegate decode=\"hpgl\" command=\""hp2xx" -q -m eps -f `basename "%o"` "%i" mv -f `basename "%o"` "%o"\"/>" |
| " <delegate decode=\"htm\" command=\""html2ps" -U -o "%o" "%i"\"/>" |
| " <delegate decode=\"html\" command=\""html2ps" -U -o "%o" "%i"\"/>" |
| " <delegate decode=\"https\" command=\""wget" -q -O "%o" "https:%M"\"/>" |
| " <delegate decode=\"ilbm\" command=\""ilbmtoppm" "%i" > "%o"\"/>" |
| " <delegate decode=\"man\" command=\""groff" -man -Tps "%i" > "%o"\"/>" |
| " <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"\"/>" |
| " <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"\"/>" |
| " <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"\"/>" |
| " <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"\"/>" |
| " <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"\"/>" |
| " <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"\"/>" |
| " <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"\"/>" |
| " <delegate decode=\"pnm\" encode=\"ilbm\" mode=\"encode\" command=\""ppmtoilbm" -24if "%i" > "%o"\"/>" |
| " <delegate decode=\"pnm\" encode=\"launch\" mode=\"encode\" command=\""gimp" "%i"\"/>" |
| " <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"\"/>" |
| " <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"\"/>" |
| " <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"\"/>" |
| " <delegate decode=\"ps\" encode=\"print\" mode=\"encode\" command=\"lpr "%i"\"/>" |
| " <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"\"/>" |
| " <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"\"/>" |
| " <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"\"/>" |
| " <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"\"/>" |
| " <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"\"/>" |
| " <delegate decode=\"rgba\" encode=\"rle\" mode=\"encode\" command=\""rawtorle" -o "%o" -v "%i"\"/>" |
| " <delegate decode=\"scan\" command=\""scanimage" -d "%i" > "%o"\"/>" |
| " <delegate encode=\"show\" spawn=\"True\" command=\""display" -immutable -delay 0 -window-group %g -title "%l of %f" "temporary:%i"\"/>" |
| " <delegate decode=\"shtml\" command=\""html2ps" -U -o "%o" "%i"\"/>" |
| " <delegate decode=\"svg\" command=\""rsvg" "%i" "%o"\"/>" |
| " <delegate decode=\"txt\" encode=\"ps\" mode=\"bi\" command=\""enscript" -o "%o" "%i"\"/>" |
| " <delegate encode=\"win\" stealth=\"True\" spawn=\"True\" command=\""display" -immutable -delay 0 -window-group %g -title "%l of %f" "temporary:%i"\"/>" |
| " <delegate decode=\"wmf\" command=\""wmf2eps" -o "%o" "%i"\"/>" |
| "</delegatemap>"; |
| |
| /* |
| Global declaractions. |
| */ |
| static LinkedListInfo |
| *delegate_cache = (LinkedListInfo *) NULL; |
| |
| static SemaphoreInfo |
| *delegate_semaphore = (SemaphoreInfo *) NULL; |
| |
| /* |
| Forward declaractions. |
| */ |
| static MagickBooleanType |
| IsDelegateCacheInstantiated(ExceptionInfo *), |
| LoadDelegateCache(LinkedListInfo *,const char *,const char *,const size_t, |
| ExceptionInfo *); |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % A c q u i r e D e l e g a t e C a c h e % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % AcquireDelegateCache() caches one or more delegate configurations which |
| % provides a mapping between delegate attributes and a delegate name. |
| % |
| % The format of the AcquireDelegateCache method is: |
| % |
| % LinkedListInfo *AcquireDelegateCache(const char *filename, |
| % ExceptionInfo *exception) |
| % |
| % A description of each parameter follows: |
| % |
| % o filename: the font file name. |
| % |
| % o exception: return any errors or warnings in this structure. |
| % |
| */ |
| static LinkedListInfo *AcquireDelegateCache(const char *filename, |
| ExceptionInfo *exception) |
| { |
| LinkedListInfo |
| *delegate_cache; |
| |
| MagickStatusType |
| status; |
| |
| delegate_cache=NewLinkedList(0); |
| if (delegate_cache == (LinkedListInfo *) NULL) |
| ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed"); |
| status=MagickTrue; |
| #if !defined(MAGICKCORE_ZERO_CONFIGURATION_SUPPORT) |
| { |
| const StringInfo |
| *option; |
| |
| LinkedListInfo |
| *options; |
| |
| options=GetConfigureOptions(filename,exception); |
| option=(const StringInfo *) GetNextValueInLinkedList(options); |
| while (option != (const StringInfo *) NULL) |
| { |
| status&=LoadDelegateCache(delegate_cache,(const char *) |
| GetStringInfoDatum(option),GetStringInfoPath(option),0,exception); |
| option=(const StringInfo *) GetNextValueInLinkedList(options); |
| } |
| options=DestroyConfigureOptions(options); |
| } |
| #endif |
| if (IfMagickTrue(IsLinkedListEmpty(delegate_cache))) |
| status&=LoadDelegateCache(delegate_cache,DelegateMap,"built-in",0, |
| exception); |
| return(delegate_cache); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| + 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: |
| % |
| % MagickBooleanType DelegateComponentGenesis(void) |
| % |
| */ |
| MagickPrivate MagickBooleanType DelegateComponentGenesis(void) |
| { |
| if (delegate_semaphore == (SemaphoreInfo *) NULL) |
| delegate_semaphore=AcquireSemaphoreInfo(); |
| 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) |
| { |
| register 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) |
| RelinquishSemaphoreInfo(&p->semaphore); |
| p=(DelegateInfo *) RelinquishMagickMemory(p); |
| return((void *) NULL); |
| } |
| |
| MagickPrivate 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); |
| RelinquishSemaphoreInfo(&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. |
| % |
| */ |
| |
| static char *SanitizeDelegateCommand(const char *command) |
| { |
| char |
| *sanitize_command; |
| |
| const char |
| *q; |
| |
| register char |
| *p; |
| |
| static char |
| whitelist[] = |
| "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789_- " |
| ".@&;<>()|/\\\'\":%=~`"; |
| |
| sanitize_command=AcquireString(command); |
| p=sanitize_command; |
| q=sanitize_command+strlen(sanitize_command); |
| for (p+=strspn(p,whitelist); p != q; p+=strspn(p,whitelist)) |
| *p='_'; |
| return(sanitize_command); |
| } |
| |
| 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; |
| |
| register 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=SanitizeDelegateCommand(command); |
| if (asynchronous != MagickFalse) |
| (void) ConcatenateMagickString(sanitize_command,"&",MagickPathExtent); |
| if (message != (char *) NULL) |
| *message='\0'; |
| #if defined(MAGICKCORE_POSIX_SUPPORT) |
| #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) |
| { |
| register 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(macintosh) |
| status=MACSystemCommand(sanitize_command); |
| #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. |
| % |
| */ |
| MagickExport char *GetDelegateCommand(const ImageInfo *image_info,Image *image, |
| const char *decode,const char *encode,ExceptionInfo *exception) |
| { |
| char |
| *command, |
| **commands; |
| |
| const DelegateInfo |
| *delegate_info; |
| |
| register 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=InterpretImageProperties((ImageInfo *) image_info,image,commands[0], |
| exception); |
| 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) |
| { |
| register const DelegateInfo |
| *p; |
| |
| assert(exception != (ExceptionInfo *) NULL); |
| if (IfMagickFalse(IsDelegateCacheInstantiated(exception))) |
| 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; |
| |
| register const DelegateInfo |
| *p; |
| |
| register ssize_t |
| i; |
| |
| /* |
| Allocate delegate list. |
| */ |
| assert(number_delegates != (size_t *) NULL); |
| assert(pattern != (char *) NULL); |
| (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",pattern); |
| |
| *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( IfMagickFalse(p->stealth) && |
| ( IfMagickTrue(GlobExpression(p->decode,pattern,MagickFalse)) || |
| IfMagickTrue(GlobExpression(p->encode,pattern,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) |
| { |
| register 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; |
| |
| register const DelegateInfo |
| *p; |
| |
| register 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( IfMagickFalse(p->stealth) && |
| IfMagickTrue(GlobExpression(p->decode,pattern,MagickFalse)) ) |
| delegates[i++]=ConstantString(p->decode); |
| if( IfMagickFalse(p->stealth) && |
| IfMagickTrue(GlobExpression(p->encode,pattern,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; |
| |
| register 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[MagickPathExtent], |
| output_filename[MagickPathExtent]; |
| |
| const DelegateInfo |
| *delegate_info; |
| |
| MagickBooleanType |
| status, |
| temporary; |
| |
| register ssize_t |
| i; |
| |
| PolicyRights |
| rights; |
| |
| /* |
| 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) && (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; |
| |
| register 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=InterpretImageProperties(image_info,image,decode != (char *) NULL ? |
| delegate_info->encode : delegate_info->decode,exception); |
| 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, |
| MagickPathExtent); |
| if (LocaleCompare(magick,"NULL") != 0) |
| (void) CopyMagickString(image->magick,magick,MagickPathExtent); |
| magick=DestroyString(magick); |
| (void) FormatLocaleString(clone_info->filename,MagickPathExtent,"%s:", |
| delegate_info->decode); |
| (void) SetImageInfo(clone_info,(unsigned int) GetImageListLength(image), |
| exception); |
| (void) CopyMagickString(clone_info->filename,image_info->filename, |
| MagickPathExtent); |
| (void) CopyMagickString(image_info->filename,image->filename, |
| MagickPathExtent); |
| for (p=image; p != (Image *) NULL; p=GetNextImageInList(p)) |
| { |
| (void) FormatLocaleString(p->filename,MagickPathExtent,"%s:%s", |
| delegate_info->decode,clone_info->filename); |
| status=WriteImage(clone_info,p,exception); |
| 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( IfMagickTrue(temporary) ) |
| (void) RelinquishUniqueFileResource(image->filename); |
| (void) ThrowMagickException(exception,GetMagickModule(), |
| ResourceLimitError,"MemoryAllocationFailed","`%s'", |
| decode ? decode : encode); |
| return(MagickFalse); |
| } |
| command=(char *) NULL; |
| status=MagickTrue; |
| (void) CopyMagickString(output_filename,image_info->filename, |
| MagickPathExtent); |
| (void) CopyMagickString(input_filename,image->filename,MagickPathExtent); |
| for (i=0; commands[i] != (char *) NULL; i++) |
| { |
| (void) 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=MagickTrue; |
| command=InterpretImageProperties(image_info,image,commands[i],exception); |
| if (command != (char *) NULL) |
| { |
| /* |
| Execute delegate. |
| */ |
| if (ExternalDelegateCommand(delegate_info->spawn,image_info->verbose, |
| command,(char *) NULL,exception) != 0) |
| status=MagickFalse; |
| if (delegate_info->spawn != MagickFalse) |
| { |
| ssize_t |
| count; |
| |
| /* |
| Wait for input file to 'disappear', or maximum 10 seconds. |
| */ |
| count=100; |
| 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 (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,MagickPathExtent); |
| (void) CopyMagickString(image->filename,input_filename,MagickPathExtent); |
| /* |
| 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); |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % 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[MagickPathExtent]; |
| |
| const char |
| *path; |
| |
| register 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( IfMagickTrue(delegate_info[i]->stealth) ) |
| 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,MagickPathExtent); |
| (void) ConcatenateMagickString(delegate," ",MagickPathExtent); |
| 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 *delegate_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 *delegate_cache, |
| const char *xml,const char *filename,const size_t depth, |
| ExceptionInfo *exception) |
| { |
| char |
| keyword[MagickPathExtent], |
| *token; |
| |
| const char |
| *q; |
| |
| DelegateInfo |
| *delegate_info; |
| |
| MagickStatusType |
| status; |
| |
| /* |
| 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); |
| for (q=(const char *) xml; *q != '\0'; ) |
| { |
| /* |
| Interpret XML. |
| */ |
| GetMagickToken(q,&q,token); |
| if (*token == '\0') |
| break; |
| (void) CopyMagickString(keyword,token,MagickPathExtent); |
| if (LocaleNCompare(keyword,"<!DOCTYPE",9) == 0) |
| { |
| /* |
| Doctype element. |
| */ |
| while ((LocaleNCompare(q,"]>",2) != 0) && (*q != '\0')) |
| GetMagickToken(q,&q,token); |
| continue; |
| } |
| if (LocaleNCompare(keyword,"<!--",4) == 0) |
| { |
| /* |
| Comment element. |
| */ |
| while ((LocaleNCompare(q,"->",2) != 0) && (*q != '\0')) |
| GetMagickToken(q,&q,token); |
| continue; |
| } |
| if (LocaleCompare(keyword,"<include") == 0) |
| { |
| /* |
| Include element. |
| */ |
| while (((*token != '/') && (*(token+1) != '>')) && (*q != '\0')) |
| { |
| (void) CopyMagickString(keyword,token,MagickPathExtent); |
| GetMagickToken(q,&q,token); |
| if (*token != '=') |
| continue; |
| GetMagickToken(q,&q,token); |
| if (LocaleCompare(keyword,"file") == 0) |
| { |
| if (depth > 200) |
| (void) ThrowMagickException(exception,GetMagickModule(), |
| ConfigureError,"IncludeElementNestedTooDeeply","`%s'",token); |
| else |
| { |
| char |
| path[MagickPathExtent], |
| *xml; |
| |
| GetPathComponent(filename,HeadPath,path); |
| if (*path != '\0') |
| (void) ConcatenateMagickString(path,DirectorySeparator, |
| MagickPathExtent); |
| if (*token == *DirectorySeparator) |
| (void) CopyMagickString(path,token,MagickPathExtent); |
| else |
| (void) ConcatenateMagickString(path,token,MagickPathExtent); |
| xml=FileToXML(path,~0UL); |
| if (xml != (char *) NULL) |
| { |
| status&=LoadDelegateCache(delegate_cache,xml,path, |
| depth+1,exception); |
| xml=(char *) RelinquishMagickMemory(xml); |
| } |
| } |
| } |
| } |
| continue; |
| } |
| if (LocaleCompare(keyword,"<delegate") == 0) |
| { |
| /* |
| Delegate element. |
| */ |
| delegate_info=(DelegateInfo *) AcquireMagickMemory( |
| sizeof(*delegate_info)); |
| if (delegate_info == (DelegateInfo *) NULL) |
| ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed"); |
| (void) ResetMagickMemory(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) |
| { |
| status=AppendValueToLinkedList(delegate_cache,delegate_info); |
| if( IfMagickFalse(status) ) |
| (void) ThrowMagickException(exception,GetMagickModule(), |
| ResourceLimitError,"MemoryAllocationFailed","`%s'", |
| delegate_info->commands); |
| delegate_info=(DelegateInfo *) NULL; |
| continue; |
| } |
| GetMagickToken(q,(const char **) NULL,token); |
| if (*token != '=') |
| continue; |
| GetMagickToken(q,&q,token); |
| GetMagickToken(q,&q,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[MagickPathExtent]; |
| |
| NTGhostscriptEXE(path,MagickPathExtent); |
| (void) SubstituteString((char **) &commands,"@PSDelegate@", |
| path); |
| (void) SubstituteString((char **) &commands,"\\","/"); |
| } |
| #endif |
| (void) SubstituteString((char **) &commands,"&","&"); |
| (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=IsStringTrue(token); |
| break; |
| } |
| if (LocaleCompare((char *) keyword,"stealth") == 0) |
| { |
| delegate_info->stealth=IsStringTrue(token); |
| break; |
| } |
| break; |
| } |
| case 'T': |
| case 't': |
| { |
| if (LocaleCompare((char *) keyword,"thread-support") == 0) |
| { |
| delegate_info->thread_support=IsStringTrue(token); |
| if (delegate_info->thread_support == MagickFalse) |
| delegate_info->semaphore=AcquireSemaphoreInfo(); |
| break; |
| } |
| break; |
| } |
| default: |
| break; |
| } |
| } |
| token=(char *) RelinquishMagickMemory(token); |
| return(status != 0 ? MagickTrue : MagickFalse); |
| } |