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php_runkit.h
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php_runkit.h
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/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2006 The PHP Group, (c) 2008-2012 Dmitry Zenovich |
+----------------------------------------------------------------------+
| This source file is subject to the new BSD license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.opensource.org/licenses/BSD-3-Clause |
| If you did not receive a copy of the license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Author: Sara Golemon <pollita@php.net> |
| Modified by Dmitry Zenovich <dzenovich@gmail.com> |
+----------------------------------------------------------------------+
*/
/* $Id$ */
#ifndef PHP_RUNKIT_H
#define PHP_RUNKIT_H
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#include "php_ini.h"
#include "ext/standard/info.h"
#include "ext/standard/php_string.h"
#if (PHP_MAJOR_VERSION == 5 && PHP_MINOR_VERSION >= 3) || (PHP_MAJOR_VERSION >= 6)
#include "Zend/zend_closures.h"
#endif
#define PHP_RUNKIT_VERSION "1.0.3-dev"
#define PHP_RUNKIT_SANDBOX_CLASSNAME "Runkit_Sandbox"
#define PHP_RUNKIT_SANDBOX_PARENT_CLASSNAME "Runkit_Sandbox_Parent"
#define PHP_RUNKIT_IMPORT_FUNCTIONS 0x0001
#define PHP_RUNKIT_IMPORT_CLASS_METHODS 0x0002
#define PHP_RUNKIT_IMPORT_CLASS_CONSTS 0x0004
#define PHP_RUNKIT_IMPORT_CLASS_PROPS 0x0008
#define PHP_RUNKIT_IMPORT_CLASS_STATIC_PROPS 0x0010
#define PHP_RUNKIT_IMPORT_CLASSES (PHP_RUNKIT_IMPORT_CLASS_METHODS|PHP_RUNKIT_IMPORT_CLASS_CONSTS|PHP_RUNKIT_IMPORT_CLASS_PROPS|PHP_RUNKIT_IMPORT_CLASS_STATIC_PROPS)
#define PHP_RUNKIT_IMPORT_OVERRIDE 0x0020
#if ZEND_MODULE_API_NO > 20050922
#define ZEND_ENGINE_2_2
#endif
#if ZEND_MODULE_API_NO > 20050921
#define ZEND_ENGINE_2_1
#endif
/* The TSRM interpreter patch required by runkit_sandbox was added in 5.1, but this package includes diffs for older versions
* Those diffs include an additional #define to indicate that they've been applied
*/
#if (defined(ZTS) && (PHP_MAJOR_VERSION > 5 || (PHP_MAJOR_VERSION == 5 && PHP_MINOR_VERSION > 0) || defined(TSRM_INTERPRETER_PATCH_APPLIED))) && defined(PHP_RUNKIT_FEATURE_SANDBOX)
#define PHP_RUNKIT_SANDBOX
#endif
/* Superglobals don't exist until PHP 4.2 */
#if (PHP_MAJOR_VERSION > 4 || (PHP_MAJOR_VERSION == 4 && PHP_MINOR_VERSION > 1)) && defined(PHP_RUNKIT_FEATURE_SUPER)
#define PHP_RUNKIT_SUPERGLOBALS
#endif
#ifdef PHP_RUNKIT_FEATURE_MODIFY
#define PHP_RUNKIT_MANIPULATION
#endif
extern zend_module_entry runkit_module_entry;
#define phpext_runkit_ptr &runkit_module_entry
PHP_MINIT_FUNCTION(runkit);
PHP_MSHUTDOWN_FUNCTION(runkit);
PHP_RINIT_FUNCTION(runkit);
PHP_RSHUTDOWN_FUNCTION(runkit);
PHP_MINFO_FUNCTION(runkit);
PHP_FUNCTION(runkit_return_value_used);
#ifdef ZEND_ENGINE_2
PHP_FUNCTION(runkit_object_id);
#endif
#ifdef PHP_RUNKIT_MANIPULATION
PHP_FUNCTION(runkit_function_add);
PHP_FUNCTION(runkit_function_remove);
PHP_FUNCTION(runkit_function_rename);
PHP_FUNCTION(runkit_function_redefine);
PHP_FUNCTION(runkit_function_copy);
PHP_FUNCTION(runkit_method_add);
PHP_FUNCTION(runkit_method_redefine);
PHP_FUNCTION(runkit_method_remove);
PHP_FUNCTION(runkit_method_rename);
PHP_FUNCTION(runkit_method_copy);
PHP_FUNCTION(runkit_constant_redefine);
PHP_FUNCTION(runkit_constant_remove);
PHP_FUNCTION(runkit_constant_add);
PHP_FUNCTION(runkit_default_property_add);
PHP_FUNCTION(runkit_class_emancipate);
PHP_FUNCTION(runkit_class_adopt);
PHP_FUNCTION(runkit_import);
#endif /* PHP_RUNKIT_MANIPULATION */
#ifdef PHP_RUNKIT_SANDBOX
PHP_FUNCTION(runkit_sandbox_output_handler);
PHP_FUNCTION(runkit_lint);
PHP_FUNCTION(runkit_lint_file);
typedef struct _php_runkit_sandbox_object php_runkit_sandbox_object;
#endif /* PHP_RUNKIT_SANDBOX */
#if defined(PHP_RUNKIT_SUPERGLOBALS) || defined(PHP_RUNKIT_SANDBOX) || defined(PHP_RUNKIT_MANIPULATION)
ZEND_BEGIN_MODULE_GLOBALS(runkit)
#ifdef PHP_RUNKIT_SUPERGLOBALS
HashTable *superglobals;
#endif
#ifdef PHP_RUNKIT_SANDBOX
php_runkit_sandbox_object *current_sandbox;
#endif
#ifdef PHP_RUNKIT_MANIPULATION
HashTable *misplaced_internal_functions;
HashTable *replaced_internal_functions;
zend_bool internal_override;
#endif
ZEND_END_MODULE_GLOBALS(runkit)
#endif
extern ZEND_DECLARE_MODULE_GLOBALS(runkit);
#ifdef ZTS
#define RUNKIT_G(v) TSRMG(runkit_globals_id, zend_runkit_globals *, v)
#define RUNKIT_TSRMLS_C TSRMLS_C
#else
#define RUNKIT_G(v) (runkit_globals.v)
#define RUNKIT_TSRMLS_C NULL
#endif
#if (PHP_MAJOR_VERSION == 5 && PHP_MINOR_VERSION >= 3) || (PHP_MAJOR_VERSION >= 6)
# define RUNKIT_REFCOUNT refcount__gc
# define RUNKIT_IS_REF is_ref__gc
# define RUNKIT_IS_CALLABLE(cb_zv, flags, cb_sp) zend_is_callable((cb_zv), (flags), (cb_sp) TSRMLS_CC)
# define RUNKIT_FILE_HANDLE_DTOR(pHandle) zend_file_handle_dtor((pHandle) TSRMLS_CC)
# define RUNKIT_53_TSRMLS_PARAM(param) (param) TSRMLS_CC
# define RUNKIT_53_TSRMLS_ARG(arg) arg TSRMLS_DC
# define RUNKIT_UNDER53_TSRMLS_FETCH()
# define RUNKIT_UNDER53 0
# define RUNKIT_ABOVE53 1
#else
# define RUNKIT_REFCOUNT refcount
# define RUNKIT_IS_REF is_ref
# define RUNKIT_IS_CALLABLE(cb_zv, flags, cb_sp) zend_is_callable((cb_zv), (flags), (cb_sp))
# define RUNKIT_FILE_HANDLE_DTOR(pHandle) zend_file_handle_dtor((pHandle))
# define RUNKIT_53_TSRMLS_PARAM(param) (param)
# define RUNKIT_53_TSRMLS_ARG(arg) arg
# define RUNKIT_UNDER53_TSRMLS_FETCH() TSRMLS_FETCH()
# define RUNKIT_UNDER53 1
# define RUNKIT_ABOVE53 0
#endif
#ifdef PHP_RUNKIT_MANIPULATION
#if defined(ZEND_ENGINE_2) && !defined(zend_hash_add_or_update)
/* Why doesn't ZE2 define this? */
#define zend_hash_add_or_update(ht, arKey, nKeyLength, pData, pDataSize, pDest, flag) \
_zend_hash_add_or_update((ht), (arKey), (nKeyLength), (pData), (pDataSize), (pDest), (flag) ZEND_FILE_LINE_CC)
#endif
#ifndef Z_ADDREF_P
# define Z_ADDREF_P(x) ZVAL_ADDREF(x)
#endif
/* runkit_functions.c */
#define RUNKIT_TEMP_FUNCNAME "__runkit_temporary_function__"
int php_runkit_check_call_stack(zend_op_array *op_array TSRMLS_DC);
void php_runkit_function_copy_ctor(zend_function *fe, char *newname);
int php_runkit_generate_lambda_method(char *arguments, int arguments_len, char *phpcode, int phpcode_len, zend_function **pfe TSRMLS_DC);
int php_runkit_destroy_misplaced_functions(zend_hash_key *hash_key TSRMLS_DC);
int php_runkit_restore_internal_functions(RUNKIT_53_TSRMLS_ARG(zend_internal_function *fe), int num_args, va_list args, zend_hash_key *hash_key);
/* runkit_methods.c */
int php_runkit_fetch_class(char *classname, int classname_len, zend_class_entry **pce TSRMLS_DC);
int php_runkit_clean_children_methods(RUNKIT_53_TSRMLS_ARG(zend_class_entry *ce), int num_args, va_list args, zend_hash_key *hash_key);
int php_runkit_update_children_methods(RUNKIT_53_TSRMLS_ARG(zend_class_entry *ce), int num_args, va_list args, zend_hash_key *hash_key);
#ifdef ZEND_ENGINE_2
int php_runkit_fetch_interface(char *classname, int classname_len, zend_class_entry **pce TSRMLS_DC);
#endif
#if PHP_MAJOR_VERSION >= 6
#define PHP_RUNKIT_FUNCTION_ADD_REF(f) function_add_ref(f TSRMLS_CC)
#define php_runkit_locate_scope(ce, fe, methodname, methodname_len) fe->common.scope
#define PHP_RUNKIT_DECL_STRING_PARAM(param) void *param; int32_t param##_len; zend_uchar param##_type;
#define PHP_RUNKIT_STRING_SPEC "t"
#define PHP_RUNKIT_STRING_PARAM(param) ¶m, ¶m##_len, ¶m##_type
#define PHP_RUNKIT_STRTOLOWER(param) php_u_strtolower(param, ¶m##_len, UG(default_locale))
#define PHP_RUNKIT_STRING_LEN(param,addtl) (param##_type == IS_UNICODE ? UBYTES(param##_len + (addtl)) : (param##_len + (addtl)))
#define PHP_RUNKIT_STRING_TYPE(param) (param##_type)
#define PHP_RUNKIT_HASH_FIND(hash,param,ppvar) zend_u_hash_find(hash, param##_type, (UChar *)param, param##_len + 1, (void**)ppvar)
#define PHP_RUNKIT_HASH_EXISTS(hash,param) zend_u_hash_exists(hash, param##_type, (UChar *)param, param##_len + 1)
#define PHP_RUNKIT_HASH_KEY(hash_key) ((hash_key)->type == HASH_KEY_IS_UNICODE ? (hash_key)->u.unicode : (hash_key)->u.string)
#define PHP_RUNKIT_HASH_KEYLEN(hash_key) ((hash_key)->type == HASH_KEY_IS_UNICODE ? UBYTES((hash_key)->nKeyLength) : (hash_key)->nKeyLength)
#elif PHP_MAJOR_VERSION >= 5
#define PHP_RUNKIT_FUNCTION_ADD_REF(f) function_add_ref(f)
#define php_runkit_locate_scope(ce, fe, methodname, methodname_len) fe->common.scope
#define PHP_RUNKIT_DECL_STRING_PARAM(p) char *p; int p##_len;
#define PHP_RUNKIT_STRING_SPEC "s"
#define PHP_RUNKIT_STRING_PARAM(p) &p, &p##_len
#define PHP_RUNKIT_STRTOLOWER(p) php_strtolower(p, p##_len)
#define PHP_RUNKIT_STRING_LEN(param,addtl) (param##_len + (addtl))
#define PHP_RUNKIT_STRING_TYPE(param) IS_STRING
#define PHP_RUNKIT_HASH_FIND(hash,param,ppvar) zend_hash_find(hash, param, param##_len + 1, (void**)ppvar)
#define PHP_RUNKIT_HASH_EXISTS(hash,param) zend_hash_exists(hash, param##_type, param, param##_len + 1)
#define PHP_RUNKIT_HASH_KEY(hash_key) ((hash_key)->arKey)
#define PHP_RUNKIT_HASH_KEYLEN(hash_key) ((hash_key)->nKeyLength)
#else /* PHP4 */
#define PHP_RUNKIT_FUNCTION_ADD_REF(f) function_add_ref(f)
zend_class_entry *_php_runkit_locate_scope(zend_class_entry *ce, zend_function *fe, char *methodname, int methodname_len);
#define php_runkit_locate_scope(ce, fe, methodname, methodname_len) _php_runkit_locate_scope((ce), (fe), (methodname), (methodname_len))
#define PHP_RUNKIT_DECL_STRING_PARAM(p) char *p; int p##_len;
#define PHP_RUNKIT_STRING_SPEC "s"
#define PHP_RUNKIT_STRING_PARAM(p) &p, &p##_len
#define PHP_RUNKIT_STRTOLOWER(p) php_strtolower(p, p##_len)
#define PHP_RUNKIT_STRING_LEN(param,addtl) (param##_len + (addtl))
#define PHP_RUNKIT_STRING_TYPE(param) IS_STRING
#define PHP_RUNKIT_HASH_FIND(hash,param,ppvar) zend_hash_find(hash, param, param##_len + 1, (void**)ppvar)
#define PHP_RUNKIT_HASH_EXISTS(hash,param) zend_hash_exists(hash, param##_type, param, param##_len + 1)
#define PHP_RUNKIT_HASH_KEY(hash_key) ((hash_key)->arKey)
#define PHP_RUNKIT_HASH_KEYLEN(hash_key) ((hash_key)->nKeyLength)
#define zend_function_dtor destroy_zend_function
#endif /* Version Agnosticism */
/* runkit_constants.c */
int php_runkit_update_children_consts(RUNKIT_53_TSRMLS_ARG(zend_class_entry *ce), int num_args, va_list args, zend_hash_key *hash_key);
/* runkit_props.c */
int php_runkit_update_children_def_props(RUNKIT_53_TSRMLS_ARG(zend_class_entry *ce), int num_args, va_list args, zend_hash_key *hash_key);
int php_runkit_update_children_static_props(RUNKIT_53_TSRMLS_ARG(zend_class_entry *ce), int num_args, va_list args, zend_hash_key *hash_key);
#endif /* PHP_RUNKIT_MANIPULATION */
#ifdef PHP_RUNKIT_SANDBOX
/* runkit_sandbox.c */
int php_runkit_init_sandbox(INIT_FUNC_ARGS);
int php_runkit_shutdown_sandbox(SHUTDOWN_FUNC_ARGS);
/* runkit_sandbox_parent.c */
int php_runkit_init_sandbox_parent(INIT_FUNC_ARGS);
int php_runkit_shutdown_sandbox_parent(SHUTDOWN_FUNC_ARGS);
int php_runkit_sandbox_array_deep_copy(RUNKIT_53_TSRMLS_ARG(zval **value), int num_args, va_list args, zend_hash_key *hash_key);
struct _php_runkit_sandbox_object {
zend_object obj;
void *context, *parent_context;
char *disable_functions;
char *disable_classes;
zval *output_handler; /* points to function which lives in the parent_context */
unsigned char bailed_out_in_eval; /* Patricide is an ugly thing. Especially when it leaves bailout address mis-set */
unsigned char active; /* A bailout will set this to 0 */
unsigned char parent_access; /* May Runkit_Sandbox_Parent be instantiated/used? */
unsigned char parent_read; /* May parent vars be read? */
unsigned char parent_write; /* May parent vars be written to? */
unsigned char parent_eval; /* May arbitrary code be run in the parent? */
unsigned char parent_include; /* May arbitrary code be included in the parent? (includes require(), and *_once()) */
unsigned char parent_echo; /* May content be echoed from the parent scope? */
unsigned char parent_call; /* May functions in the parent scope be called? */
unsigned char parent_die; /* Are $PARENT->die() / $PARENT->exit() enabled? */
unsigned long parent_scope; /* 0 == Global, 1 == Active, 2 == Active->prior, 3 == Active->prior->prior, etc... */
char *parent_scope_name; /* Combines with parent_scope to refer to a named array as a symbol table */
int parent_scope_namelen;
};
/* TODO: It'd be nice if objects and resources could make it across... */
#define PHP_SANDBOX_CROSS_SCOPE_ZVAL_COPY_CTOR(pzv) \
{ \
switch (Z_TYPE_P(pzv)) { \
case IS_RESOURCE: \
case IS_OBJECT: \
php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unable to translate resource, or object variable to current context."); \
ZVAL_NULL(pzv); \
break; \
case IS_ARRAY: \
{ \
HashTable *original_hashtable = Z_ARRVAL_P(pzv); \
array_init(pzv); \
zend_hash_apply_with_arguments(RUNKIT_53_TSRMLS_PARAM(original_hashtable), (apply_func_args_t)php_runkit_sandbox_array_deep_copy, 1, Z_ARRVAL_P(pzv) TSRMLS_CC); \
break; \
} \
default: \
zval_copy_ctor(pzv); \
} \
(pzv)->RUNKIT_REFCOUNT = 1; \
(pzv)->RUNKIT_IS_REF = 0; \
}
#endif /* PHP_RUNKIT_SANDBOX */
#ifdef PHP_RUNKIT_MANIPULATION
#define PHP_RUNKIT_SPLIT_PN(classname, classname_len, pnname, pnname_len) { \
char *colon; \
\
if ((colon = memchr((pnname), ':', (pnname_len) - 2)) && (colon[1] == ':')) { \
(classname) = (pnname); \
(classname_len) = colon - (classname); \
(classname)[(classname_len)] = '\0'; \
(pnname) = colon + 2; \
(pnname_len) -= (classname_len) + 2; \
} else { \
(classname) = NULL; \
(classname_len) = 0; \
} \
}
#ifdef ZEND_ENGINE_2
#define PHP_RUNKIT_ADD_MAGIC_METHOD(ce, method, fe) { \
if ((strcmp((method), (ce)->name) == 0) || \
(strcmp((method), "__construct") == 0)) { (ce)->constructor = (fe); (fe)->common.fn_flags = ZEND_ACC_CTOR; } \
else if (strcmp((method), "__destruct") == 0) { (ce)->destructor = (fe); (fe)->common.fn_flags = ZEND_ACC_DTOR; } \
else if (strcmp((method), "__clone") == 0) { (ce)->clone = (fe); (fe)->common.fn_flags = ZEND_ACC_CLONE; } \
else if (strcmp((method), "__get") == 0) (ce)->__get = (fe); \
else if (strcmp((method), "__set") == 0) (ce)->__set = (fe); \
else if (strcmp((method), "__call") == 0) (ce)->__call = (fe); \
}
#define PHP_RUNKIT_DEL_MAGIC_METHOD(ce, fe) { \
if ((ce)->constructor == (fe)) (ce)->constructor = NULL; \
else if ((ce)->destructor == (fe)) (ce)->destructor = NULL; \
else if ((ce)->clone == (fe)) (ce)->clone = NULL; \
else if ((ce)->__get == (fe)) (ce)->__get = NULL; \
else if ((ce)->__set == (fe)) (ce)->__set = NULL; \
else if ((ce)->__call == (fe)) (ce)->__call = NULL; \
}
#else
#define PHP_RUNKIT_ADD_MAGIC_METHOD(ce, method, fe)
#define PHP_RUNKIT_DEL_MAGIC_METHOD(ce, fe)
#endif
#endif /* PHP_RUNKIT_MANIPULATION */
#endif /* PHP_RUNKIT_H */
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* End:
* vim600: noet sw=4 ts=4 fdm=marker
* vim<600: noet sw=4 ts=4
*/