policy.c File Reference

#include "magick/studio.h"
#include "magick/client.h"
#include "magick/configure.h"
#include "magick/exception.h"
#include "magick/exception-private.h"
#include "magick/locale_.h"
#include "magick/memory_.h"
#include "magick/monitor.h"
#include "magick/monitor-private.h"
#include "magick/option.h"
#include "magick/policy.h"
#include "magick/policy-private.h"
#include "magick/resource_.h"
#include "magick/semaphore.h"
#include "magick/string_.h"
#include "magick/token.h"
#include "magick/utility.h"
#include "magick/xml-tree.h"
#include "magick/xml-tree-private.h"

Include dependency graph for policy.c:

Data Structures
struct	_PolicyInfo
struct	_PolicyMapInfo
Defines
#define	PolicyFilename   "policy.xml"
Typedefs
typedef struct _PolicyMapInfo	PolicyMapInfo
Functions
static MagickBooleanType	IsPolicyCacheInstantiated (ExceptionInfo *)
static MagickBooleanType	LoadPolicyCache (LinkedListInfo *, const char *, const char *, const size_t, ExceptionInfo *)
static LinkedListInfo *	AcquirePolicyCache (const char *filename, ExceptionInfo *exception)
static PolicyInfo *	GetPolicyInfo (const char *name, ExceptionInfo *exception)
MagickExport const PolicyInfo **	GetPolicyInfoList (const char *pattern, size_t *number_policies, ExceptionInfo *exception)
MagickExport char **	GetPolicyList (const char *pattern, size_t *number_policies, ExceptionInfo *exception)
MagickExport char *	GetPolicyValue (const char *name)
MagickExport MagickBooleanType	IsRightsAuthorized (const PolicyDomain domain, const PolicyRights rights, const char *pattern)
MagickExport MagickBooleanType	ListPolicyInfo (FILE *file, ExceptionInfo *exception)
MagickExport MagickBooleanType	PolicyComponentGenesis (void)
static void *	DestroyPolicyElement (void *policy_info)
MagickExport void	PolicyComponentTerminus (void)
MagickExport MagickBooleanType	SetMagickSecurityPolicy (const char *policy, ExceptionInfo *exception)
Variables
static const PolicyMapInfo	PolicyMap []
static LinkedListInfo *	policy_cache = (LinkedListInfo *) NULL
static SemaphoreInfo *	policy_semaphore = (SemaphoreInfo *) NULL

---

Define Documentation

#define PolicyFilename   "policy.xml"

Referenced by IsPolicyCacheInstantiated().

---

Typedef Documentation

typedef struct _PolicyMapInfo PolicyMapInfo

---

Function Documentation

static LinkedListInfo* AcquirePolicyCache	(	const char *	filename,
		ExceptionInfo *	exception
	)			[static]

References AcquireQuantumMemory(), AppendValueToLinkedList(), DestroyConfigureOptions(), _PolicyMapInfo::domain, _PolicyInfo::domain, _PolicyInfo::exempt, GetConfigureOptions(), GetMagickModule, GetNextValueInLinkedList(), GetStringInfoDatum(), GetStringInfoPath(), LoadPolicyCache(), MagickCoreSignature, MagickFalse, MagickTrue, _PolicyInfo::name, _PolicyMapInfo::name, NewLinkedList(), _PolicyInfo::path, _PolicyMapInfo::pattern, _PolicyInfo::pattern, PolicyMap, ResourceLimitError, ResourceLimitFatalError, _PolicyMapInfo::rights, _PolicyInfo::rights, _PolicyInfo::signature, ThrowFatalException, ThrowMagickException(), _PolicyMapInfo::value, and _PolicyInfo::value.

Referenced by IsPolicyCacheInstantiated().

static void* DestroyPolicyElement

(

void *

policy_info

)

[static]

References DestroyString(), _PolicyInfo::exempt, MagickFalse, _PolicyInfo::name, _PolicyInfo::path, _PolicyInfo::pattern, RelinquishMagickMemory(), and _PolicyInfo::value.

Referenced by PolicyComponentTerminus().

static PolicyInfo* GetPolicyInfo	(	const char *	name,
		ExceptionInfo *	exception
	)			[static]

References CopyMagickString(), _PolicyInfo::domain, GetNextValueInLinkedList(), InsertValueInLinkedList(), IsPolicyCacheInstantiated(), LocaleCompare(), LockSemaphoreInfo(), MagickFalse, MagickPathExtent, MagickPolicyDomainOptions, MagickTrue, _PolicyInfo::name, ParseCommandOption(), policy_cache, policy_semaphore, RemoveElementByValueFromLinkedList(), ResetLinkedListIterator(), UndefinedPolicyDomain, and UnlockSemaphoreInfo().

Referenced by GetPolicyInfoList(), GetPolicyList(), GetPolicyValue(), and IsRightsAuthorized().

MagickExport const PolicyInfo** GetPolicyInfoList	(	const char *	pattern,
		size_t *	number_policies,
		ExceptionInfo *	exception
	)

References AcquireQuantumMemory(), GetMagickModule, GetNextValueInLinkedList(), GetNumberOfElementsInLinkedList(), GetPolicyInfo(), GlobExpression(), LockSemaphoreInfo(), LogMagickEvent(), MagickFalse, _PolicyInfo::name, policy_cache, policy_semaphore, ResetLinkedListIterator(), _PolicyInfo::stealth, TraceEvent, and UnlockSemaphoreInfo().

Referenced by ListPolicyInfo().

MagickExport char** GetPolicyList	(	const char *	pattern,
		size_t *	number_policies,
		ExceptionInfo *	exception
	)

References AcquireQuantumMemory(), ConstantString(), GetMagickModule, GetNextValueInLinkedList(), GetNumberOfElementsInLinkedList(), GetPolicyInfo(), GlobExpression(), LockSemaphoreInfo(), LogMagickEvent(), MagickFalse, _PolicyInfo::name, policy_cache, policy_semaphore, ResetLinkedListIterator(), _PolicyInfo::stealth, TraceEvent, and UnlockSemaphoreInfo().

MagickExport char* GetPolicyValue

(

const char *

name

)

References AcquireExceptionInfo(), ConstantString(), DestroyExceptionInfo(), GetMagickModule, GetPolicyInfo(), LogMagickEvent(), TraceEvent, and _PolicyInfo::value.

Referenced by AcquirePixelCache(), AcquireStreamPixels(), AcquireUniqueSymbolicLink(), AcquireVirtualMemory(), ConnectPixelCacheServer(), DistributePixelCacheClient(), GetMaxMemoryRequest(), GetPathTemplate(), OpenPixelCache(), SetMagickPrecision(), SetMagickResourceLimit(), and ShredFile().

static MagickBooleanType IsPolicyCacheInstantiated

(

ExceptionInfo *

exception

)

[static]

References AcquirePolicyCache(), ActivateSemaphoreInfo(), LockSemaphoreInfo(), MagickFalse, MagickTrue, policy_cache, policy_semaphore, PolicyFilename, and UnlockSemaphoreInfo().

Referenced by GetPolicyInfo(), and SetMagickSecurityPolicy().

MagickExport MagickBooleanType IsRightsAuthorized	(	const PolicyDomain	domain,
		const PolicyRights	rights,
		const char *	pattern
	)

References AcquireExceptionInfo(), CommandOptionToMnemonic(), DestroyExceptionInfo(), _PolicyInfo::domain, ExecutePolicyRights, GetMagickModule, GetNextValueInLinkedList(), GetPolicyInfo(), GlobExpression(), LockSemaphoreInfo(), LogMagickEvent(), MagickFalse, MagickPolicyDomainOptions, MagickPolicyRightsOptions, MagickTrue, _PolicyInfo::pattern, policy_cache, policy_semaphore, PolicyEvent, ReadPolicyRights, ResetLinkedListIterator(), _PolicyInfo::rights, UnlockSemaphoreInfo(), and WritePolicyRights.

Referenced by ExternalDelegateCommand(), FileToBlob(), FileToImage(), InterpretImageProperties(), InvokeDelegate(), InvokeDynamicImageFilter(), IsCoderAuthorized(), OpenBlob(), and RegisterStaticModule().

MagickExport MagickBooleanType ListPolicyInfo	(	FILE *	file,
		ExceptionInfo *	exception
	)

References CachePolicyDomain, CommandOptionToMnemonic(), _PolicyInfo::domain, ExecutePolicyRights, FormatLocaleFile(), GetPolicyInfoList(), LocaleCompare(), MagickFalse, MagickPolicyDomainOptions, MagickTrue, NoPolicyRights, _PolicyInfo::path, ReadPolicyRights, RelinquishMagickMemory(), ResourcePolicyDomain, SystemPolicyDomain, and WritePolicyRights.

static MagickBooleanType LoadPolicyCache	(	LinkedListInfo *	cache,
		const char *	xml,
		const char *	filename,
		const size_t	depth,
		ExceptionInfo *	exception
	)

References AcquireQuantumMemory(), AcquireString(), AppendValueToLinkedList(), ConcatenateMagickString(), ConfigureError, ConfigureEvent, ConstantString(), CopyMagickString(), DirectorySeparator, _PolicyInfo::domain, _PolicyInfo::exempt, FileToXML(), GetMagickModule, GetNextToken(), GetPathComponent(), HeadPath, IsMagickTrue(), LocaleCompare(), LocaleNCompare(), LogMagickEvent(), MagickCoreSignature, MagickFalse, MagickMaxRecursionDepth, MagickPolicyDomainOptions, MagickPolicyRightsOptions, MagickTrue, MaxTextExtent, _PolicyInfo::name, ParseCommandOption(), _PolicyInfo::path, _PolicyInfo::pattern, RelinquishMagickMemory(), ResourceLimitError, ResourceLimitFatalError, _PolicyInfo::rights, _PolicyInfo::signature, _PolicyInfo::stealth, ThrowFatalException, ThrowMagickException(), and _PolicyInfo::value.

Referenced by AcquirePolicyCache(), and SetMagickSecurityPolicy().

MagickExport MagickBooleanType PolicyComponentGenesis

(

void

)

References AllocateSemaphoreInfo(), MagickTrue, and policy_semaphore.

Referenced by MagickCoreGenesis().

MagickExport void PolicyComponentTerminus

(

void

)

References ActivateSemaphoreInfo(), DestroyLinkedList(), DestroyPolicyElement(), DestroySemaphoreInfo(), LockSemaphoreInfo(), policy_cache, policy_semaphore, and UnlockSemaphoreInfo().

Referenced by MagickCoreTerminus().

MagickExport MagickBooleanType SetMagickSecurityPolicy	(	const char *	policy,
		ExceptionInfo *	exception
	)

References _PolicyInfo::domain, GetNextValueInLinkedList(), IsPolicyCacheInstantiated(), LoadPolicyCache(), LockSemaphoreInfo(), MagickFalse, policy_cache, policy_semaphore, ResetLinkedListIterator(), ResourceComponentGenesis(), UndefinedPolicyDomain, and UnlockSemaphoreInfo().

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Variable Documentation

LinkedListInfo* policy_cache = (LinkedListInfo *) NULL [static]

Referenced by GetPolicyInfo(), GetPolicyInfoList(), GetPolicyList(), IsPolicyCacheInstantiated(), IsRightsAuthorized(), PolicyComponentTerminus(), and SetMagickSecurityPolicy().

SemaphoreInfo* policy_semaphore = (SemaphoreInfo *) NULL [static]

Referenced by GetPolicyInfo(), GetPolicyInfoList(), GetPolicyList(), IsPolicyCacheInstantiated(), IsRightsAuthorized(), PolicyComponentGenesis(), PolicyComponentTerminus(), and SetMagickSecurityPolicy().

const PolicyMapInfo PolicyMap[] [static]

Initial value:

  {
    { UndefinedPolicyDomain, UndefinedPolicyRights, (const char *) NULL,
      (const char *) NULL, (const char *) NULL }
  }

Referenced by AcquirePolicyCache().