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imagemagick/magick/configure.c

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Import Upstream version 6.9.11.60
2023-02-03 21:16:55 +08:00
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% CCCC OOO N N FFFFF IIIII GGGG U U RRRR EEEEE %
% C O O NN N F I G U U R R E %
% C O O N N N FFF I G GG U U RRRR EEE %
% C O O N NN F I G G U U R R E %
% CCCC OOO N N F IIIII GGG UUU R R EEEEE %
% %
% %
% MagickCore Image Configure Methods %
% %
% Software Design %
% Cristy %
% July 2003 %
% %
% %
% Copyright 1999-2021 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 %
% %
% https://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. %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
%
*/
/*
Include declarations.
*/
#include "magick/studio.h"
#include "magick/blob.h"
#include "magick/client.h"
#include "magick/configure.h"
#include "magick/exception.h"
#include "magick/exception-private.h"
#include "magick/hashmap.h"
#include "magick/log.h"
#include "magick/memory_.h"
#include "magick/nt-base-private.h"
#include "magick/semaphore.h"
#include "magick/string_.h"
#include "magick/token.h"
#include "magick/utility.h"
#include "magick/version.h"
#include "magick/xml-tree.h"
#include "magick/xml-tree-private.h"
/*
Define declarations.
*/
#define ConfigureFilename "configure.xml"
/*
Typedef declarations.
*/
typedef struct _ConfigureMapInfo
{
const char
*name,
*value;
} ConfigureMapInfo;
/*
Static declarations.
*/
static LinkedListInfo
*configure_cache = (LinkedListInfo *) NULL;
static SemaphoreInfo
*configure_semaphore = (SemaphoreInfo *) NULL;
/*
Forward declarations.
*/
static MagickBooleanType
IsConfigureCacheInstantiated(ExceptionInfo *);
#if !MAGICKCORE_ZERO_CONFIGURATION_SUPPORT
static MagickBooleanType
LoadConfigureCache(LinkedListInfo *,const char *,const char *,const size_t,
ExceptionInfo *);
#endif
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% A c q u i r e C o n f i g u r e C a c h e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% AcquireConfigureCache() caches one or more configure configurations which
% provides a mapping between configure attributes and a configure name.
%
% The format of the AcquireConfigureCache method is:
%
% LinkedListInfo *AcquireConfigureCache(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 inline void AddConfigureKey(LinkedListInfo *cache,const char *path,
const char *name,const char *value)
{
ConfigureInfo
*configure_info;
configure_info=(ConfigureInfo *) AcquireMagickMemory(sizeof(*configure_info));
if (configure_info == (ConfigureInfo *) NULL)
return;
(void) memset(configure_info,0,sizeof(*configure_info));
configure_info->path=(char *) path;
configure_info->name=(char *) name;
configure_info->value=(char *) value;
configure_info->exempt=MagickTrue;
configure_info->signature=MagickCoreSignature;
(void) AppendValueToLinkedList(cache,configure_info);
}
static LinkedListInfo *AcquireConfigureCache(const char *filename,
ExceptionInfo *exception)
{
LinkedListInfo
*cache;
/*
Load external configure map.
*/
cache=NewLinkedList(0);
if (cache == (LinkedListInfo *) NULL)
ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
#if !MAGICKCORE_ZERO_CONFIGURATION_SUPPORT
{
const StringInfo
*option;
LinkedListInfo
*options;
MagickBooleanType
status;
options=GetConfigureOptions(filename,exception);
option=(const StringInfo *) GetNextValueInLinkedList(options);
while (option != (const StringInfo *) NULL)
{
status=LoadConfigureCache(cache,(const char *)
GetStringInfoDatum(option),GetStringInfoPath(option),0,exception);
if (status == MagickTrue)
break;
option=(const StringInfo *) GetNextValueInLinkedList(options);
}
options=DestroyConfigureOptions(options);
}
#endif
/*
Load built-in configure.
*/
AddConfigureKey(cache,"[built-in]","NAME","ImageMagick");
/*
Load runtime configuration.
*/
AddConfigureKey(cache,"[built-in]","QuantumDepth",GetMagickQuantumDepth(
(size_t *)NULL));
AddConfigureKey(cache,"[built-in]","FEATURES",GetMagickFeatures());
AddConfigureKey(cache,"[built-in]","DELEGATES",GetMagickDelegates());
return(cache);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
+ C o n f i g u r e C o m p o n e n t G e n e s i s %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% ConfigureComponentGenesis() instantiates the configure component.
%
% The format of the ConfigureComponentGenesis method is:
%
% MagickBooleanType ConfigureComponentGenesis(void)
%
*/
MagickExport MagickBooleanType ConfigureComponentGenesis(void)
{
if (configure_semaphore == (SemaphoreInfo *) NULL)
configure_semaphore=AllocateSemaphoreInfo();
return(MagickTrue);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
+ C o n f i g u r e C o m p o n e n t T e r m i n u s %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% ConfigureComponentTerminus() destroys the configure component.
%
% The format of the ConfigureComponentTerminus method is:
%
% ConfigureComponentTerminus(void)
%
*/
static void *DestroyConfigureElement(void *configure_info)
{
ConfigureInfo
*p;
p=(ConfigureInfo *) configure_info;
if (p->exempt == MagickFalse)
{
if (p->value != (char *) NULL)
p->value=DestroyString(p->value);
if (p->name != (char *) NULL)
p->name=DestroyString(p->name);
if (p->path != (char *) NULL)
p->path=DestroyString(p->path);
}
p=(ConfigureInfo *) RelinquishMagickMemory(p);
return((void *) NULL);
}
MagickExport void ConfigureComponentTerminus(void)
{
if (configure_semaphore == (SemaphoreInfo *) NULL)
ActivateSemaphoreInfo(&configure_semaphore);
LockSemaphoreInfo(configure_semaphore);
if (configure_cache != (LinkedListInfo *) NULL)
configure_cache=DestroyLinkedList(configure_cache,DestroyConfigureElement);
configure_cache=(LinkedListInfo *) NULL;
UnlockSemaphoreInfo(configure_semaphore);
DestroySemaphoreInfo(&configure_semaphore);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% D e s t r o y C o n f i g u r e O p t i o n s %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% DestroyConfigureOptions() releases memory associated with an configure
% options.
%
% The format of the DestroyProfiles method is:
%
% LinkedListInfo *DestroyConfigureOptions(Image *image)
%
% A description of each parameter follows:
%
% o image: the image.
%
*/
static void *DestroyOptions(void *option)
{
return(DestroyStringInfo((StringInfo *) option));
}
MagickExport LinkedListInfo *DestroyConfigureOptions(LinkedListInfo *options)
{
assert(options != (LinkedListInfo *) NULL);
return(DestroyLinkedList(options,DestroyOptions));
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
+ G e t C o n f i g u r e I n f o %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% GetConfigureInfo() searches the configure list for the specified name and if
% found returns attributes for that element.
%
% The format of the GetConfigureInfo method is:
%
% const ConfigureInfo *GetConfigureInfo(const char *name,
% ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o configure_info: GetConfigureInfo() searches the configure list for the
% specified name and if found returns attributes for that element.
%
% o name: the configure name.
%
% o exception: return any errors or warnings in this structure.
%
*/
MagickExport const ConfigureInfo *GetConfigureInfo(const char *name,
ExceptionInfo *exception)
{
const ConfigureInfo
*p;
assert(exception != (ExceptionInfo *) NULL);
if (IsConfigureCacheInstantiated(exception) == MagickFalse)
return((const ConfigureInfo *) NULL);
/*
Search for configure tag.
*/
LockSemaphoreInfo(configure_semaphore);
ResetLinkedListIterator(configure_cache);
p=(const ConfigureInfo *) GetNextValueInLinkedList(configure_cache);
if ((name == (const char *) NULL) || (LocaleCompare(name,"*") == 0))
{
UnlockSemaphoreInfo(configure_semaphore);
return(p);
}
while (p != (const ConfigureInfo *) NULL)
{
if (LocaleCompare(name,p->name) == 0)
break;
p=(const ConfigureInfo *) GetNextValueInLinkedList(configure_cache);
}
if (p != (ConfigureInfo *) NULL)
(void) InsertValueInLinkedList(configure_cache,0,
RemoveElementByValueFromLinkedList(configure_cache,p));
UnlockSemaphoreInfo(configure_semaphore);
return(p);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% G e t C o n f i g u r e I n f o L i s t %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% GetConfigureInfoList() returns any configure options that match the
% specified pattern.
%
% The format of the GetConfigureInfoList function is:
%
% const ConfigureInfo **GetConfigureInfoList(const char *pattern,
% size_t *number_options,ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o pattern: Specifies a pointer to a text string containing a pattern.
%
% o number_options: This integer returns the number of configure options in
% the list.
%
% o exception: return any errors or warnings in this structure.
%
*/
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
static int ConfigureInfoCompare(const void *x,const void *y)
{
const ConfigureInfo
**p,
**q;
p=(const ConfigureInfo **) x,
q=(const ConfigureInfo **) y;
if (LocaleCompare((*p)->path,(*q)->path) == 0)
return(LocaleCompare((*p)->name,(*q)->name));
return(LocaleCompare((*p)->path,(*q)->path));
}
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif
MagickExport const ConfigureInfo **GetConfigureInfoList(const char *pattern,
size_t *number_options,ExceptionInfo *exception)
{
const ConfigureInfo
**options;
const ConfigureInfo
*p;
ssize_t
i;
/*
Allocate configure list.
*/
assert(pattern != (char *) NULL);
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",pattern);
assert(number_options != (size_t *) NULL);
*number_options=0;
p=GetConfigureInfo("*",exception);
if (p == (const ConfigureInfo *) NULL)
return((const ConfigureInfo **) NULL);
options=(const ConfigureInfo **) AcquireQuantumMemory((size_t)
GetNumberOfElementsInLinkedList(configure_cache)+1UL,sizeof(*options));
if (options == (const ConfigureInfo **) NULL)
return((const ConfigureInfo **) NULL);
/*
Generate configure list.
*/
LockSemaphoreInfo(configure_semaphore);
ResetLinkedListIterator(configure_cache);
p=(const ConfigureInfo *) GetNextValueInLinkedList(configure_cache);
for (i=0; p != (const ConfigureInfo *) NULL; )
{
if ((p->stealth == MagickFalse) &&
(GlobExpression(p->name,pattern,MagickFalse) != MagickFalse))
options[i++]=p;
p=(const ConfigureInfo *) GetNextValueInLinkedList(configure_cache);
}
UnlockSemaphoreInfo(configure_semaphore);
qsort((void *) options,(size_t) i,sizeof(*options),ConfigureInfoCompare);
options[i]=(ConfigureInfo *) NULL;
*number_options=(size_t) i;
return(options);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% G e t C o n f i g u r e L i s t %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% GetConfigureList() returns any configure options that match the specified
% pattern.
%
% The format of the GetConfigureList function is:
%
% char **GetConfigureList(const char *pattern,
% size_t *number_options,ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o pattern: Specifies a pointer to a text string containing a pattern.
%
% o number_options: This integer returns the number of options in the list.
%
% o exception: return any errors or warnings in this structure.
%
*/
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
static int ConfigureCompare(const void *x,const void *y)
{
char
**p,
**q;
p=(char **) x;
q=(char **) y;
return(LocaleCompare(*p,*q));
}
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif
MagickExport char **GetConfigureList(const char *pattern,
size_t *number_options,ExceptionInfo *exception)
{
char
**options;
const ConfigureInfo
*p;
ssize_t
i;
/*
Allocate configure list.
*/
assert(pattern != (char *) NULL);
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",pattern);
assert(number_options != (size_t *) NULL);
*number_options=0;
p=GetConfigureInfo("*",exception);
if (p == (const ConfigureInfo *) NULL)
return((char **) NULL);
options=(char **) AcquireQuantumMemory((size_t)
GetNumberOfElementsInLinkedList(configure_cache)+1UL,sizeof(*options));
if (options == (char **) NULL)
return((char **) NULL);
LockSemaphoreInfo(configure_semaphore);
ResetLinkedListIterator(configure_cache);
p=(const ConfigureInfo *) GetNextValueInLinkedList(configure_cache);
for (i=0; p != (const ConfigureInfo *) NULL; )
{
if ((p->stealth == MagickFalse) &&
(GlobExpression(p->name,pattern,MagickFalse) != MagickFalse))
options[i++]=ConstantString(p->name);
p=(const ConfigureInfo *) GetNextValueInLinkedList(configure_cache);
}
UnlockSemaphoreInfo(configure_semaphore);
qsort((void *) options,(size_t) i,sizeof(*options),ConfigureCompare);
options[i]=(char *) NULL;
*number_options=(size_t) i;
return(options);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% G e t C o n f i g u r e O p t i o n %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% GetConfigureOption() returns the value associated with the configure option.
%
% The format of the GetConfigureOption method is:
%
% char *GetConfigureOption(const char *option)
%
% A description of each parameter follows:
%
% o configure_info: The configure info.
%
*/
MagickExport char *GetConfigureOption(const char *option)
{
const char
*value;
const ConfigureInfo
*configure_info;
ExceptionInfo
*exception;
assert(option != (const char *) NULL);
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",option);
exception=AcquireExceptionInfo();
configure_info=GetConfigureInfo(option,exception);
exception=DestroyExceptionInfo(exception);
if (configure_info == (ConfigureInfo *) NULL)
return((char *) NULL);
value=GetConfigureValue(configure_info);
if ((value == (const char *) NULL) || (*value == '\0'))
return((char *) NULL);
return(ConstantString(value));
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% G e t C o n f i g u r e O p t i o n s %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% GetConfigureOptions() returns any Magick configuration options associated
% with the specified filename.
%
% The format of the GetConfigureOptions method is:
%
% LinkedListInfo *GetConfigureOptions(const char *filename,
% ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o filename: the configure file name.
%
% o exception: return any errors or warnings in this structure.
%
*/
MagickExport LinkedListInfo *GetConfigureOptions(const char *filename,
ExceptionInfo *exception)
{
char
path[MaxTextExtent];
const char
*element;
LinkedListInfo
*options,
*paths;
StringInfo
*xml;
assert(filename != (const char *) NULL);
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",filename);
assert(exception != (ExceptionInfo *) NULL);
(void) CopyMagickString(path,filename,MaxTextExtent);
/*
Load XML from configuration files to linked-list.
*/
options=NewLinkedList(0);
paths=GetConfigurePaths(filename,exception);
if (paths != (LinkedListInfo *) NULL)
{
ResetLinkedListIterator(paths);
element=(const char *) GetNextValueInLinkedList(paths);
while (element != (const char *) NULL)
{
(void) FormatLocaleString(path,MaxTextExtent,"%s%s",element,filename);
(void) LogMagickEvent(ConfigureEvent,GetMagickModule(),
"Searching for configure file: \"%s\"",path);
xml=ConfigureFileToStringInfo(path);
if (xml != (StringInfo *) NULL)
(void) AppendValueToLinkedList(options,xml);
element=(const char *) GetNextValueInLinkedList(paths);
}
paths=DestroyLinkedList(paths,RelinquishMagickMemory);
}
#if defined(MAGICKCORE_WINDOWS_SUPPORT)
if (GetNumberOfElementsInLinkedList(options) == 0)
{
char
*blob;
blob=(char *) NTResourceToBlob(filename);
if (blob != (char *) NULL)
{
xml=AcquireStringInfo(0);
SetStringInfoLength(xml,strlen(blob)+1);
SetStringInfoDatum(xml,(unsigned char *) blob);
SetStringInfoPath(xml,filename);
(void) AppendValueToLinkedList(options,xml);
}
}
#endif
if (GetNumberOfElementsInLinkedList(options) == 0)
(void) ThrowMagickException(exception,GetMagickModule(),ConfigureWarning,
"UnableToOpenConfigureFile","`%s'",filename);
ResetLinkedListIterator(options);
return(options);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% G e t C o n f i g u r e P a t h s %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% GetConfigurePaths() returns any Magick configuration paths associated
% with the specified filename.
%
% The format of the GetConfigurePaths method is:
%
% LinkedListInfo *GetConfigurePaths(const char *filename,
% ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o filename: the configure file name.
%
% o exception: return any errors or warnings in this structure.
%
*/
MagickExport LinkedListInfo *GetConfigurePaths(const char *filename,
ExceptionInfo *exception)
{
#define RegistryKey "ConfigurePath"
#define MagickCoreDLL "CORE_RL_magick_.dll"
#define MagickCoreDebugDLL "CORE_DB_magick_.dll"
char
path[MaxTextExtent];
LinkedListInfo
*paths;
assert(filename != (const char *) NULL);
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",filename);
assert(exception != (ExceptionInfo *) NULL);
(void) exception;
(void) CopyMagickString(path,filename,MaxTextExtent);
paths=NewLinkedList(0);
{
char
*configure_path;
/*
Search $MAGICK_CONFIGURE_PATH.
*/
configure_path=GetEnvironmentValue("MAGICK_CONFIGURE_PATH");
if (configure_path != (char *) NULL)
{
char
*p,
*q;
for (p=configure_path-1; p != (char *) NULL; )
{
(void) CopyMagickString(path,p+1,MaxTextExtent);
q=strchr(path,DirectoryListSeparator);
if (q != (char *) NULL)
*q='\0';
q=path+strlen(path)-1;
if ((q >= path) && (*q != *DirectorySeparator))
(void) ConcatenateMagickString(path,DirectorySeparator,
MaxTextExtent);
(void) AppendValueToLinkedList(paths,ConstantString(path));
p=strchr(p+1,DirectoryListSeparator);
}
configure_path=DestroyString(configure_path);
}
}
#if defined(MAGICKCORE_INSTALLED_SUPPORT)
#if defined(MAGICKCORE_SHARE_PATH)
(void) AppendValueToLinkedList(paths,ConstantString(MAGICKCORE_SHARE_PATH));
#endif
#if defined(MAGICKCORE_SHAREARCH_PATH)
(void) AppendValueToLinkedList(paths,ConstantString(
MAGICKCORE_SHAREARCH_PATH));
#endif
#if defined(MAGICKCORE_CONFIGURE_PATH)
(void) AppendValueToLinkedList(paths,ConstantString(
MAGICKCORE_CONFIGURE_PATH));
#endif
#if defined(MAGICKCORE_DOCUMENTATION_PATH)
(void) AppendValueToLinkedList(paths,ConstantString(
MAGICKCORE_DOCUMENTATION_PATH));
#endif
#if defined(MAGICKCORE_WINDOWS_SUPPORT) && !(defined(MAGICKCORE_CONFIGURE_PATH) || defined(MAGICKCORE_SHARE_PATH))
{
unsigned char
*key_value;
/*
Locate file via registry key.
*/
key_value=NTRegistryKeyLookup(RegistryKey);
if (key_value != (unsigned char *) NULL)
{
(void) FormatLocaleString(path,MaxTextExtent,"%s%s",(char *) key_value,
DirectorySeparator);
(void) AppendValueToLinkedList(paths,ConstantString(path));
key_value=(unsigned char *) RelinquishMagickMemory(key_value);
}
}
#endif
#else
{
char
*home;
/*
Search under MAGICK_HOME.
*/
home=GetEnvironmentValue("MAGICK_HOME");
if (home != (char *) NULL)
{
#if !defined(MAGICKCORE_POSIX_SUPPORT) || defined( __VMS )
(void) FormatLocaleString(path,MaxTextExtent,"%s%s",home,
DirectorySeparator);
(void) AppendValueToLinkedList(paths,ConstantString(path));
#else
(void) FormatLocaleString(path,MaxTextExtent,"%s/etc/%s/",home,
MAGICKCORE_CONFIGURE_RELATIVE_PATH);
(void) AppendValueToLinkedList(paths,ConstantString(path));
(void) FormatLocaleString(path,MaxTextExtent,"%s/share/%s/",home,
MAGICKCORE_SHARE_RELATIVE_PATH);
(void) AppendValueToLinkedList(paths,ConstantString(path));
(void) FormatLocaleString(path,MaxTextExtent,"%s",
MAGICKCORE_SHAREARCH_PATH);
(void) AppendValueToLinkedList(paths,ConstantString(path));
#endif
home=DestroyString(home);
}
}
if (*GetClientPath() != '\0')
{
#if !defined(MAGICKCORE_POSIX_SUPPORT) || defined( __VMS )
(void) FormatLocaleString(path,MaxTextExtent,"%s%s",GetClientPath(),
DirectorySeparator);
(void) AppendValueToLinkedList(paths,ConstantString(path));
#else
char
prefix[MaxTextExtent];
/*
Search based on executable directory if directory is known.
*/
(void) CopyMagickString(prefix,GetClientPath(),MaxTextExtent);
ChopPathComponents(prefix,1);
(void) FormatLocaleString(path,MaxTextExtent,"%s/etc/%s/",prefix,
MAGICKCORE_CONFIGURE_RELATIVE_PATH);
(void) AppendValueToLinkedList(paths,ConstantString(path));
(void) FormatLocaleString(path,MaxTextExtent,"%s/share/%s/",prefix,
MAGICKCORE_SHARE_RELATIVE_PATH);
(void) AppendValueToLinkedList(paths,ConstantString(path));
(void) FormatLocaleString(path,MaxTextExtent,"%s",
MAGICKCORE_SHAREARCH_PATH);
(void) AppendValueToLinkedList(paths,ConstantString(path));
#endif
}
/*
Search current directory.
*/
(void) AppendValueToLinkedList(paths,ConstantString(""));
#endif
{
char
*home;
home=GetEnvironmentValue("XDG_CONFIG_HOME");
#if defined(MAGICKCORE_WINDOWS_SUPPORT) || defined(__MINGW32__)
if (home == (char *) NULL)
home=GetEnvironmentValue("LOCALAPPDATA");
if (home == (char *) NULL)
home=GetEnvironmentValue("APPDATA");
if (home == (char *) NULL)
home=GetEnvironmentValue("USERPROFILE");
#endif
if (home != (char *) NULL)
{
/*
Search $XDG_CONFIG_HOME/ImageMagick.
*/
(void) FormatLocaleString(path,MaxTextExtent,"%s%sImageMagick%s",
home,DirectorySeparator,DirectorySeparator);
(void) AppendValueToLinkedList(paths,ConstantString(path));
home=DestroyString(home);
}
home=GetEnvironmentValue("HOME");
if (home != (char *) NULL)
{
/*
Search $HOME/.config/ImageMagick.
*/
(void) FormatLocaleString(path,MaxTextExtent,
"%s%s.config%sImageMagick%s",home,DirectorySeparator,
DirectorySeparator,DirectorySeparator);
(void) AppendValueToLinkedList(paths,ConstantString(path));
/*
Search $HOME/.magick.
*/
(void) FormatLocaleString(path,MaxTextExtent,"%s%s.magick%s",home,
DirectorySeparator,DirectorySeparator);
(void) AppendValueToLinkedList(paths,ConstantString(path));
home=DestroyString(home);
}
}
#if defined(MAGICKCORE_WINDOWS_SUPPORT)
{
char
module_path[MaxTextExtent];
if ((NTGetModulePath(MagickCoreDLL,module_path) != MagickFalse) ||
(NTGetModulePath(MagickCoreDebugDLL,module_path) != MagickFalse))
{
unsigned char
*key_value;
/*
Search module path.
*/
(void) FormatLocaleString(path,MaxTextExtent,"%s%s",module_path,
DirectorySeparator);
key_value=NTRegistryKeyLookup(RegistryKey);
if (key_value == (unsigned char *) NULL)
(void) AppendValueToLinkedList(paths,ConstantString(path));
else
key_value=(unsigned char *) RelinquishMagickMemory(key_value);
}
if (NTGetModulePath("Magick.dll",module_path) != MagickFalse)
{
/*
Search PerlMagick module path.
*/
(void) FormatLocaleString(path,MaxTextExtent,"%s%s",module_path,
DirectorySeparator);
(void) AppendValueToLinkedList(paths,ConstantString(path));
(void) FormatLocaleString(path,MaxTextExtent,"%s%s",module_path,
"\\inc\\lib\\auto\\Image\\Magick\\");
(void) AppendValueToLinkedList(paths,ConstantString(path));
}
}
#endif
if (GetNumberOfElementsInLinkedList(paths) == 0)
(void) ThrowMagickException(exception,GetMagickModule(),ConfigureWarning,
"no configuration paths found","`%s'",filename);
return(paths);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% G e t C o n f i g u r e V a l u e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% GetConfigureValue() returns the value associated with the configure info.
%
% The format of the GetConfigureValue method is:
%
% const char *GetConfigureValue(const ConfigureInfo *configure_info)
%
% A description of each parameter follows:
%
% o configure_info: The configure info.
%
*/
MagickExport const char *GetConfigureValue(const ConfigureInfo *configure_info)
{
(void) LogMagickEvent(TraceEvent,GetMagickModule(),"...");
assert(configure_info != (ConfigureInfo *) NULL);
assert(configure_info->signature == MagickCoreSignature);
return(configure_info->value);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
+ I s C o n f i g u r e C a c h e I n s t a n t i a t e d %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% IsConfigureCacheInstantiated() determines if the configure list is
% instantiated. If not, it instantiates the list and returns it.
%
% The format of the IsConfigureInstantiated method is:
%
% MagickBooleanType IsConfigureCacheInstantiated(ExceptionInfo *exception)
%
% A description of each parameter follows.
%
% o exception: return any errors or warnings in this structure.
%
*/
static MagickBooleanType IsConfigureCacheInstantiated(ExceptionInfo *exception)
{
if (configure_cache == (LinkedListInfo *) NULL)
{
if (configure_semaphore == (SemaphoreInfo *) NULL)
ActivateSemaphoreInfo(&configure_semaphore);
LockSemaphoreInfo(configure_semaphore);
if (configure_cache == (LinkedListInfo *) NULL)
configure_cache=AcquireConfigureCache(ConfigureFilename,exception);
UnlockSemaphoreInfo(configure_semaphore);
}
return(configure_cache != (LinkedListInfo *) NULL ? MagickTrue : MagickFalse);
}
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
% L i s t C o n f i g u r e I n f o %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% ListConfigureInfo() lists the configure info to a file.
%
% The format of the ListConfigureInfo method is:
%
% MagickBooleanType ListConfigureInfo(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 ListConfigureInfo(FILE *file,
ExceptionInfo *exception)
{
const char
*name,
*path,
*value;
const ConfigureInfo
**configure_info;
ssize_t
i;
size_t
number_options;
ssize_t
j;
if (file == (const FILE *) NULL)
file=stdout;
configure_info=GetConfigureInfoList("*",&number_options,exception);
if (configure_info == (const ConfigureInfo **) NULL)
return(MagickFalse);
path=(const char *) NULL;
for (i=0; i < (ssize_t) number_options; i++)
{
if (configure_info[i]->stealth != MagickFalse)
continue;
if ((path == (const char *) NULL) ||
(LocaleCompare(path,configure_info[i]->path) != 0))
{
if (configure_info[i]->path != (char *) NULL)
(void) FormatLocaleFile(file,"\nPath: %s\n\n",
configure_info[i]->path);
(void) FormatLocaleFile(file,"Name Value\n");
(void) FormatLocaleFile(file,
"-------------------------------------------------"
"------------------------------\n");
}
path=configure_info[i]->path;
name="unknown";
if (configure_info[i]->name != (char *) NULL)
name=configure_info[i]->name;
(void) FormatLocaleFile(file,"%s",name);
for (j=(ssize_t) strlen(name); j <= 13; j++)
(void) FormatLocaleFile(file," ");
(void) FormatLocaleFile(file," ");
value="unknown";
if (configure_info[i]->value != (char *) NULL)
value=configure_info[i]->value;
(void) FormatLocaleFile(file,"%s",value);
(void) FormatLocaleFile(file,"\n");
}
(void) fflush(file);
configure_info=(const ConfigureInfo **) RelinquishMagickMemory((void *)
configure_info);
return(MagickTrue);
}
#if !MAGICKCORE_ZERO_CONFIGURATION_SUPPORT
/*
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% %
% %
+ L o a d C o n f i g u r e C a c h e %
% %
% %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% LoadConfigureCache() loads the configure configurations which provides a
% mapping between configure attributes and a configure name.
%
% The format of the LoadConfigureCache method is:
%
% MagickBooleanType LoadConfigureCache(LinkedListInfo *cache,
% const char *xml,const char *filename,const size_t depth,
% ExceptionInfo *exception)
%
% A description of each parameter follows:
%
% o xml: The configure list in XML format.
%
% o filename: The configure list filename.
%
% o depth: depth of <include /> statements.
%
% o exception: return any errors or warnings in this structure.
%
*/
static MagickBooleanType LoadConfigureCache(LinkedListInfo *cache,
const char *xml,const char *filename,const size_t depth,
ExceptionInfo *exception)
{
char
keyword[MaxTextExtent],
*token;
ConfigureInfo
*configure_info;
const char
*q;
MagickStatusType
status;
size_t
extent;
/*
Load the configure map file.
*/
(void) LogMagickEvent(ConfigureEvent,GetMagickModule(),
"Loading configure file \"%s\" ...",filename);
status=MagickTrue;
configure_info=(ConfigureInfo *) NULL;
token=AcquireString(xml);
extent=strlen(token)+MaxTextExtent;
for (q=(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&=LoadConfigureCache(cache,xml,path,
depth+1,exception);
xml=(char *) RelinquishMagickMemory(xml);
}
}
}
}
continue;
}
if (LocaleCompare(keyword,"<configure") == 0)
{
/*
Configure element.
*/
configure_info=(ConfigureInfo *) AcquireQuantumMemory(1,
sizeof(*configure_info));
if (configure_info == (ConfigureInfo *) NULL)
ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
(void) memset(configure_info,0,sizeof(*configure_info));
configure_info->path=ConstantString(filename);
configure_info->exempt=MagickFalse;
configure_info->signature=MagickCoreSignature;
continue;
}
if (configure_info == (ConfigureInfo *) NULL)
continue;
if ((LocaleCompare(keyword,"/>") == 0) ||
(LocaleCompare(keyword,"</policy>") == 0))
{
status=AppendValueToLinkedList(cache,configure_info);
if (status == MagickFalse)
(void) ThrowMagickException(exception,GetMagickModule(),
ResourceLimitError,"MemoryAllocationFailed","`%s'",
configure_info->name);
configure_info=(ConfigureInfo *) NULL;
continue;
}
/*
Parse configure element.
*/
(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 'N':
case 'n':
{
if (LocaleCompare((char *) keyword,"name") == 0)
{
configure_info->name=ConstantString(token);
break;
}
break;
}
case 'S':
case 's':
{
if (LocaleCompare((char *) keyword,"stealth") == 0)
{
configure_info->stealth=IsMagickTrue(token);
break;
}
break;
}
case 'V':
case 'v':
{
if (LocaleCompare((char *) keyword,"value") == 0)
{
configure_info->value=ConstantString(token);
break;
}
break;
}
default:
break;
}
}
token=(char *) RelinquishMagickMemory(token);
return(status != 0 ? MagickTrue : MagickFalse);
}
#endif