policy.c File Reference

#include "MagickCore/studio.h"
#include "MagickCore/client.h"
#include "MagickCore/configure.h"
#include "MagickCore/configure-private.h"
#include "MagickCore/exception.h"
#include "MagickCore/exception-private.h"
#include "MagickCore/memory_.h"
#include "MagickCore/monitor.h"
#include "MagickCore/monitor-private.h"
#include "MagickCore/option.h"
#include "MagickCore/policy.h"
#include "MagickCore/policy-private.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 dependency graph for policy.c:

Go to the source code of this file.

Data Structures
struct	_PolicyInfo
struct	_PolicyMapInfo
Defines
#define	PolicyFilename   "policy.xml"
Typedefs
typedef struct _PolicyMapInfo	PolicyMapInfo
Functions
static MagickBooleanType	InitializePolicyList (ExceptionInfo *)
static MagickBooleanType	LoadPolicyLists (const char *, ExceptionInfo *)
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)
static MagickBooleanType	LoadPolicyList (const char *xml, const char *filename, const size_t depth, ExceptionInfo *exception)
MagickPrivate MagickBooleanType	PolicyComponentGenesis (void)
static void *	DestroyPolicyElement (void *policy_info)
MagickPrivate void	PolicyComponentTerminus (void)
Variables
static const PolicyMapInfo	PolicyMap []
static LinkedListInfo *	policy_list = (LinkedListInfo *) NULL
static SemaphoreInfo *	policy_semaphore = (SemaphoreInfo *) NULL
static volatile MagickBooleanType	instantiate_policy = MagickFalse

---

Define Documentation

#define PolicyFilename   "policy.xml"

Definition at line 65 of file policy.c.

Referenced by InitializePolicyList().

---

Typedef Documentation

typedef struct _PolicyMapInfo PolicyMapInfo

---

Function Documentation

static void* DestroyPolicyElement

(

void *

policy_info

)

[static]

Definition at line 994 of file policy.c.

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

Referenced by PolicyComponentTerminus().

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

Definition at line 163 of file policy.c.

References MaxTextExtent, policy_list, instantiate_policy, MagickFalse, InitializePolicyList(), IsLinkedListEmpty(), LocaleCompare(), GetValueFromLinkedList(), CopyMagickString(), LockSemaphoreInfo(), policy_semaphore, ResetLinkedListIterator(), GetNextValueInLinkedList(), _PolicyInfo::name, InsertValueInLinkedList(), RemoveElementByValueFromLinkedList(), and UnlockSemaphoreInfo().

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

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

Definition at line 241 of file policy.c.

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

Referenced by ListPolicyInfo().

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

Definition at line 313 of file policy.c.

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

MagickExport char* GetPolicyValue

(

const char *

name

)

Definition at line 380 of file policy.c.

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

Referenced by GetImagePixelCache(), SetMagickPrecision(), GetPathTemplate(), ResourceComponentGenesis(), and SetMagickResourceLimit().

static MagickBooleanType InitializePolicyList

(

ExceptionInfo *

exception

)

[static]

Definition at line 426 of file policy.c.

References policy_list, instantiate_policy, MagickFalse, policy_semaphore, AcquireSemaphoreInfo(), LockSemaphoreInfo(), LoadPolicyLists(), PolicyFilename, MagickTrue, and UnlockSemaphoreInfo().

Referenced by GetPolicyInfo().

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

Definition at line 473 of file policy.c.

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

Referenced by OpenBlob(), ReadImage(), WriteImage(), InvokeDelegate(), InvokeDynamicImageFilter(), and SystemCommand().

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

Definition at line 546 of file policy.c.

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

static MagickBooleanType LoadPolicyList	(	const char *	xml,
		const char *	filename,
		const size_t	depth,
		ExceptionInfo *	exception
	)		[static]

Definition at line 644 of file policy.c.

References MaxTextExtent, LogMagickEvent(), ConfigureEvent, GetMagickModule, MagickFalse, policy_list, NewLinkedList(), ThrowFileException, ResourceLimitError, MagickTrue, AcquireString(), GetMagickToken(), CopyMagickString(), LocaleNCompare(), LocaleCompare(), ThrowMagickException(), ConfigureError, GetPathComponent(), HeadPath, ConcatenateMagickString(), DirectorySeparator, FileToString(), RelinquishMagickMemory(), AcquireMagickMemory(), ThrowFatalException, ResourceLimitFatalError, ResetMagickMemory(), _PolicyInfo::path, ConstantString(), _PolicyInfo::exempt, _PolicyInfo::signature, MagickSignature, AppendValueToLinkedList(), _PolicyInfo::name, _PolicyInfo::domain, ParseCommandOption(), MagickPolicyDomainOptions, _PolicyInfo::pattern, _PolicyInfo::rights, MagickPolicyRightsOptions, _PolicyInfo::stealth, IsMagickTrue(), and _PolicyInfo::value.

Referenced by LoadPolicyLists().

static MagickBooleanType LoadPolicyLists	(	const char *	filename,
		ExceptionInfo *	exception
	)

Definition at line 877 of file policy.c.

References MagickFalse, policy_list, NewLinkedList(), ThrowFileException, ResourceLimitError, PolicyMap, AcquireMagickMemory(), ThrowMagickException(), GetMagickModule, _PolicyInfo::name, ResetMagickMemory(), _PolicyInfo::path, _PolicyInfo::domain, _PolicyMapInfo::domain, _PolicyInfo::rights, _PolicyMapInfo::rights, _PolicyMapInfo::name, _PolicyInfo::pattern, _PolicyMapInfo::pattern, _PolicyInfo::value, _PolicyMapInfo::value, _PolicyInfo::exempt, MagickTrue, _PolicyInfo::signature, MagickSignature, AppendValueToLinkedList(), GetConfigureOptions(), GetNextValueInLinkedList(), LoadPolicyList(), GetStringInfoDatum(), GetStringInfoPath(), and DestroyConfigureOptions().

Referenced by InitializePolicyList().

MagickPrivate MagickBooleanType PolicyComponentGenesis

(

void

)

Definition at line 969 of file policy.c.

References AcquireSemaphoreInfo(), policy_semaphore, and MagickTrue.

Referenced by MagickCoreGenesis().

MagickPrivate void PolicyComponentTerminus

(

void

)

Definition at line 1015 of file policy.c.

References policy_semaphore, AcquireSemaphoreInfo(), LockSemaphoreInfo(), policy_list, DestroyLinkedList(), DestroyPolicyElement(), instantiate_policy, MagickFalse, UnlockSemaphoreInfo(), and DestroySemaphoreInfo().

Referenced by MagickCoreTerminus().

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Variable Documentation

volatile MagickBooleanType instantiate_policy = MagickFalse [static]

Definition at line 129 of file policy.c.

Referenced by GetPolicyInfo(), InitializePolicyList(), and PolicyComponentTerminus().

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

Definition at line 123 of file policy.c.

Referenced by GetPolicyInfo(), GetPolicyInfoList(), GetPolicyList(), InitializePolicyList(), IsRightsAuthorized(), LoadPolicyList(), LoadPolicyLists(), and PolicyComponentTerminus().

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

Definition at line 126 of file policy.c.

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

const PolicyMapInfo PolicyMap[] [static]

Initial value:

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

Definition at line 116 of file policy.c.

Referenced by LoadPolicyLists().