include/qore/Restrictions.h File Reference

(4311)

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Defines
#define	PO_DEFAULT   0
	no restrictions (except parse option inheritance restrictions)
#define	PO_NO_GLOBAL_VARS   (1 << 0)
	cannot define new global variables
#define	PO_NO_SUBROUTINE_DEFS   (1 << 1)
	cannot define new user subroutines
#define	PO_NO_THREAD_CONTROL   (1 << 2)
	cannot launch new threads) use thread_exit) or access thread data
#define	PO_NO_THREAD_CLASSES   (1 << 3)
	no access to thread classes
#define	PO_NO_TOP_LEVEL_STATEMENTS   (1 << 4)
	cannot define new top-level statements (outside of sub or class defs)
#define	PO_NO_CLASS_DEFS   (1 << 5)
	cannot define new object classes
#define	PO_NO_NAMESPACE_DEFS   (1 << 6)
	cannot define new namespaces
#define	PO_NO_CONSTANT_DEFS   (1 << 7)
	cannot define new constants
#define	PO_NO_NEW   (1 << 8)
	cannot use the new operator (DEPRECATED: this option is not useful anymore because objects can be declared and created without "new")
#define	PO_NO_SYSTEM_CLASSES   (1 << 9)
	do not inherit system classes into this program space
#define	PO_NO_USER_CLASSES   (1 << 10)
	do not inherit user classes into this program space
#define	PO_NO_CHILD_PO_RESTRICTIONS   (1 << 11)
	turn off parse option inheritance restrictions
#define	PO_NO_EXTERNAL_PROCESS   (1 << 12)
	do not allow access to functionality that calls external processes: backquote op, system(), exec(), etc
#define	PO_REQUIRE_OUR   (1 << 13)
	require "our" for global var declaration
#define	PO_NO_PROCESS_CONTROL   (1 << 14)
	do not allow access to functionality that can affect the current process: fork(), exec(), abort(), etc
#define	PO_NO_NETWORK   (1 << 15)
	do not allow any network access (objs & subroutines)
#define	PO_NO_FILESYSTEM   (1 << 16)
	do not allow any filesystem access (objects & subroutines)
#define	PO_LOCK_WARNINGS   (1 << 17)
	do not allow programs to change the warning mask
#define	PO_NO_DATABASE   (1 << 18)
	do not allow database access
#define	PO_NO_GUI   (1 << 19)
	do not allow any GUI-relevant actions to be performed
#define	PO_NO_TERMINAL_IO   (1 << 20)
	do not allow any terminal I/O to be performed
#define	PO_REQUIRE_TYPES   (1 << 21)
	require type information for all declarations
#define	PO_NO_EXTERNAL_INFO   (1 << 22)
	do not allow any access to host, process, etc information
#define	PO_NO_THREAD_INFO   (1 << 23)
	do not allow any access to thread information
#define	PO_NO_LOCALE_CONTROL   (1 << 24)
	do not allow changes to program locale
#define	PO_REQUIRE_PROTOTYPES   (1 << 25)
	require types in method and function declarations
#define	PO_STRICT_ARGS   (1 << 26)
	do not allow access to RT_NOOP code or excess args
#define	PO_ALLOW_BARE_REFS   (1 << 27)
	do not allow '$' for vars and '$.' for class member refs
#define	PO_ASSUME_LOCAL   (1 << 28)
	assume local variable scope if not declared (implicit "my")
#define	PO_NO_THREADS   (PO_NO_THREAD_CONTROL|PO_NO_THREAD_CLASSES|PO_NO_THREAD_INFO)
	cannot access any thread functionality
#define	PO_NO_EXTERNAL_ACCESS   (PO_NO_PROCESS_CONTROL|PO_NO_NETWORK|PO_NO_FILESYSTEM|PO_NO_DATABASE|PO_NO_EXTERNAL_INFO|PO_NO_EXTERNAL_PROCESS)
	prohibits any external access
#define	PO_NO_IO   (PO_NO_GUI|PO_NO_TERMINAL_IO|PO_NO_FILESYSTEM)
	prohibits all terminal and file I/O and GUI operations
#define	PO_LOCKDOWN   (PO_NO_EXTERNAL_ACCESS|PO_NO_THREADS|PO_NO_IO)
	most restrictive access - can just execute logic, no I/O, no threading, no external access
#define	PO_NEW_STYLE   (PO_ALLOW_BARE_REFS|PO_ASSUME_LOCAL)
	new Qore style: no more '$' and with assumed variable scope
#define	PO_POSITIVE_OPTIONS   (PO_NO_CHILD_PO_RESTRICTIONS)
	mask of all options allowing for more freedom (instead of less)
#define	PO_FREE_OPTIONS   (PO_ALLOW_BARE_REFS|PO_ASSUME_LOCAL)
	mask of options that have no effect on code access or code safety
#define	QDOM_DEFAULT   PO_DEFAULT
	the default domain (no domain)
#define	QDOM_PROCESS   PO_NO_PROCESS_CONTROL
	provides process control functionality (can affect or stop the current process)
#define	QDOM_NETWORK   PO_NO_NETWORK
	provides network functionality
#define	QDOM_EXTERNAL_PROCESS   PO_NO_EXTERNAL_PROCESS
	provides external process control functionality (can affect) start) or stop external processes)
#define	QDOM_FILESYSTEM   PO_NO_FILESYSTEM
	provides access to the filesystem
#define	QDOM_THREAD_CLASS   PO_NO_THREAD_CLASSES
	provides thread control functionality
#define	QDOM_THREAD_CONTROL   PO_NO_THREAD_CONTROL
	provides the ability to check or manipulate threads (including starting new threads)
#define	QDOM_DATABASE   PO_NO_DATABASE
	provides access to databases
#define	QDOM_GUI   PO_NO_GUI
	provides GUI functionality
#define	QDOM_TERMINAL_IO   PO_NO_TERMINAL_IO
	provides terminal I/O functionality
#define	QDOM_EXTERNAL_INFO   PO_NO_EXTERNAL_INFO
	provides access to external information (ex: hostname, pid, process uid, etc)
#define	QDOM_THREAD_INFO   PO_NO_THREAD_INFO
	provides access to information regarding threading (tid, active threads, etc)
#define	QDOM_LOCALE_CONTROL   PO_NO_LOCALE_CONTROL
	provices access to functionality that changes locale information

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Detailed Description

defines parse restrictions and functional domains for builtin functions and qore class methods