/* +----------------------------------------------------------------------+ | Zend Engine | +----------------------------------------------------------------------+ | Copyright (c) 1998-2014 Zend Technologies Ltd. (http://www.zend.com) | +----------------------------------------------------------------------+ | This source file is subject to version 2.00 of the Zend 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.zend.com/license/2_00.txt. | | If you did not receive a copy of the Zend license and are unable to | | obtain it through the world-wide-web, please send a note to | | license@zend.com so we can mail you a copy immediately. | +----------------------------------------------------------------------+ | Authors: Andi Gutmans | | Zeev Suraski | +----------------------------------------------------------------------+ */ /* $Id$ */ #include "zend.h" #include "zend_extensions.h" #include "zend_modules.h" #include "zend_constants.h" #include "zend_list.h" #include "zend_API.h" #include "zend_exceptions.h" #include "zend_builtin_functions.h" #include "zend_ini.h" #include "zend_vm.h" #include "zend_dtrace.h" #include "zend_virtual_cwd.h" #ifdef ZTS # define GLOBAL_FUNCTION_TABLE global_function_table # define GLOBAL_CLASS_TABLE global_class_table # define GLOBAL_CONSTANTS_TABLE global_constants_table # define GLOBAL_AUTO_GLOBALS_TABLE global_auto_globals_table #else # define GLOBAL_FUNCTION_TABLE CG(function_table) # define GLOBAL_CLASS_TABLE CG(class_table) # define GLOBAL_AUTO_GLOBALS_TABLE CG(auto_globals) # define GLOBAL_CONSTANTS_TABLE EG(zend_constants) #endif /* true multithread-shared globals */ ZEND_API zend_class_entry *zend_standard_class_def = NULL; ZEND_API int (*zend_printf)(const char *format, ...); ZEND_API zend_write_func_t zend_write; ZEND_API FILE *(*zend_fopen)(const char *filename, char **opened_path TSRMLS_DC); ZEND_API int (*zend_stream_open_function)(const char *filename, zend_file_handle *handle TSRMLS_DC); ZEND_API void (*zend_block_interruptions)(void); ZEND_API void (*zend_unblock_interruptions)(void); ZEND_API void (*zend_ticks_function)(int ticks TSRMLS_DC); ZEND_API void (*zend_error_cb)(int type, const char *error_filename, const uint error_lineno, const char *format, va_list args); int (*zend_vspprintf)(char **pbuf, size_t max_len, const char *format, va_list ap); zend_string *(*zend_vstrpprintf)(size_t max_len, const char *format, va_list ap); ZEND_API char *(*zend_getenv)(char *name, size_t name_len TSRMLS_DC); ZEND_API char *(*zend_resolve_path)(const char *filename, int filename_len TSRMLS_DC); void (*zend_on_timeout)(int seconds TSRMLS_DC); static void (*zend_message_dispatcher_p)(long message, const void *data TSRMLS_DC); static int (*zend_get_configuration_directive_p)(const char *name, uint name_length, zval *contents); static ZEND_INI_MH(OnUpdateErrorReporting) /* {{{ */ { if (!new_value) { EG(error_reporting) = E_ALL & ~E_NOTICE & ~E_STRICT & ~E_DEPRECATED; } else { EG(error_reporting) = atoi(new_value); } return SUCCESS; } /* }}} */ static ZEND_INI_MH(OnUpdateGCEnabled) /* {{{ */ { OnUpdateBool(entry, new_value, new_value_length, mh_arg1, mh_arg2, mh_arg3, stage TSRMLS_CC); if (GC_G(gc_enabled)) { gc_init(TSRMLS_C); } return SUCCESS; } /* }}} */ static ZEND_INI_MH(OnUpdateScriptEncoding) /* {{{ */ { if (!CG(multibyte)) { return FAILURE; } if (!zend_multibyte_get_functions(TSRMLS_C)) { return SUCCESS; } return zend_multibyte_set_script_encoding_by_string(new_value, new_value_length TSRMLS_CC); } /* }}} */ ZEND_INI_BEGIN() ZEND_INI_ENTRY("error_reporting", NULL, ZEND_INI_ALL, OnUpdateErrorReporting) STD_ZEND_INI_BOOLEAN("zend.enable_gc", "1", ZEND_INI_ALL, OnUpdateGCEnabled, gc_enabled, zend_gc_globals, gc_globals) STD_ZEND_INI_BOOLEAN("zend.multibyte", "0", ZEND_INI_PERDIR, OnUpdateBool, multibyte, zend_compiler_globals, compiler_globals) ZEND_INI_ENTRY("zend.script_encoding", NULL, ZEND_INI_ALL, OnUpdateScriptEncoding) STD_ZEND_INI_BOOLEAN("zend.detect_unicode", "1", ZEND_INI_ALL, OnUpdateBool, detect_unicode, zend_compiler_globals, compiler_globals) #ifdef ZEND_SIGNALS STD_ZEND_INI_BOOLEAN("zend.signal_check", "0", ZEND_INI_SYSTEM, OnUpdateBool, check, zend_signal_globals_t, zend_signal_globals) #endif ZEND_INI_END() #ifdef ZTS ZEND_API int compiler_globals_id; ZEND_API int executor_globals_id; static HashTable *global_function_table = NULL; static HashTable *global_class_table = NULL; static HashTable *global_constants_table = NULL; static HashTable *global_auto_globals_table = NULL; static HashTable *global_persistent_list = NULL; #endif ZEND_API zend_utility_values zend_uv; /* version information */ static char *zend_version_info; static uint zend_version_info_length; #define ZEND_CORE_VERSION_INFO "Zend Engine v" ZEND_VERSION ", Copyright (c) 1998-2014 Zend Technologies\n" #define PRINT_ZVAL_INDENT 4 static void print_hash(zend_write_func_t write_func, HashTable *ht, int indent, zend_bool is_object TSRMLS_DC) /* {{{ */ { zval *tmp; zend_string *string_key; ulong num_key; int i; for (i = 0; i < indent; i++) { ZEND_PUTS_EX(" "); } ZEND_PUTS_EX("(\n"); indent += PRINT_ZVAL_INDENT; ZEND_HASH_FOREACH_KEY_VAL(ht, num_key, string_key, tmp) { if (Z_TYPE_P(tmp) == IS_INDIRECT) { tmp = Z_INDIRECT_P(tmp); if (Z_TYPE_P(tmp) == IS_UNDEF) { continue; } } for (i = 0; i < indent; i++) { ZEND_PUTS_EX(" "); } ZEND_PUTS_EX("["); if (string_key) { if (is_object) { const char *prop_name, *class_name; int prop_len; int mangled = zend_unmangle_property_name_ex(string_key->val, string_key->len, &class_name, &prop_name, &prop_len); ZEND_WRITE_EX(prop_name, prop_len); if (class_name && mangled == SUCCESS) { if (class_name[0]=='*') { ZEND_PUTS_EX(":protected"); } else { ZEND_PUTS_EX(":"); ZEND_PUTS_EX(class_name); ZEND_PUTS_EX(":private"); } } } else { ZEND_WRITE_EX(string_key->val, string_key->len); } } else { char key[25]; snprintf(key, sizeof(key), "%ld", num_key); ZEND_PUTS_EX(key); } ZEND_PUTS_EX("] => "); zend_print_zval_r_ex(write_func, tmp, indent+PRINT_ZVAL_INDENT TSRMLS_CC); ZEND_PUTS_EX("\n"); } ZEND_HASH_FOREACH_END(); indent -= PRINT_ZVAL_INDENT; for (i = 0; i < indent; i++) { ZEND_PUTS_EX(" "); } ZEND_PUTS_EX(")\n"); } /* }}} */ static void print_flat_hash(HashTable *ht TSRMLS_DC) /* {{{ */ { zval *tmp; zend_string *string_key; ulong num_key; int i = 0; ZEND_HASH_FOREACH_KEY_VAL_IND(ht, num_key, string_key, tmp) { if (i++ > 0) { ZEND_PUTS(","); } ZEND_PUTS("["); if (string_key) { ZEND_WRITE(string_key->val, string_key->len); } else { zend_printf("%ld", num_key); } ZEND_PUTS("] => "); zend_print_flat_zval_r(tmp TSRMLS_CC); } ZEND_HASH_FOREACH_END(); } /* }}} */ ZEND_API int zend_make_printable_zval(zval *expr, zval *expr_copy) /* {{{ */ { if (Z_TYPE_P(expr) == IS_STRING) { return 0; } again: switch (Z_TYPE_P(expr)) { case IS_NULL: case IS_FALSE: { TSRMLS_FETCH(); ZVAL_EMPTY_STRING(expr_copy); break; } case IS_TRUE: // TODO: use interned string ??? ZVAL_NEW_STR(expr_copy, STR_INIT("1", 1, 0)); break; case IS_RESOURCE: { char buf[sizeof("Resource id #") + MAX_LENGTH_OF_LONG]; int len; len = snprintf(buf, sizeof(buf), "Resource id #%ld", Z_RES_HANDLE_P(expr)); ZVAL_NEW_STR(expr_copy, STR_INIT(buf, len, 0)); } break; case IS_ARRAY: zend_error(E_NOTICE, "Array to string conversion"); // TODO: use interned string ??? ZVAL_NEW_STR(expr_copy, STR_INIT("Array", sizeof("Array") - 1, 0)); break; case IS_OBJECT: { TSRMLS_FETCH(); if (Z_OBJ_HANDLER_P(expr, cast_object)) { Z_ADDREF_P(expr); if (Z_OBJ_HANDLER_P(expr, cast_object)(expr, expr_copy, IS_STRING TSRMLS_CC) == SUCCESS) { zval_ptr_dtor(expr); break; } zval_ptr_dtor(expr); } if (!Z_OBJ_HANDLER_P(expr, cast_object) && Z_OBJ_HANDLER_P(expr, get)) { zval rv; zval *z = Z_OBJ_HANDLER_P(expr, get)(expr, &rv TSRMLS_CC); Z_ADDREF_P(z); if (Z_TYPE_P(z) != IS_OBJECT) { if (zend_make_printable_zval(z, expr_copy)) { zval_ptr_dtor(z); } else { ZVAL_ZVAL(expr_copy, z, 0, 1); } return 1; } zval_ptr_dtor(z); } zend_error(EG(exception) ? E_ERROR : E_RECOVERABLE_ERROR, "Object of class %s could not be converted to string", Z_OBJCE_P(expr)->name->val); ZVAL_EMPTY_STRING(expr_copy); } break; case IS_DOUBLE: ZVAL_DUP(expr_copy, expr); zend_locale_sprintf_double(expr_copy ZEND_FILE_LINE_CC); break; case IS_REFERENCE: expr = Z_REFVAL_P(expr); if (Z_TYPE_P(expr) == IS_STRING) { ZVAL_STR(expr_copy, STR_COPY(Z_STR_P(expr))); return 1; } goto again; break; default: ZVAL_DUP(expr_copy, expr); convert_to_string(expr_copy); break; } return 1; } /* }}} */ ZEND_API int zend_print_zval(zval *expr, int indent TSRMLS_DC) /* {{{ */ { return zend_print_zval_ex(zend_write, expr, indent TSRMLS_CC); } /* }}} */ ZEND_API int zend_print_zval_ex(zend_write_func_t write_func, zval *expr, int indent TSRMLS_DC) /* {{{ */ { zend_string *str = zval_get_string(expr); int len = str->len; if (len != 0) { write_func(str->val, len); } STR_RELEASE(str); return len; } /* }}} */ ZEND_API void zend_print_flat_zval_r(zval *expr TSRMLS_DC) /* {{{ */ { switch (Z_TYPE_P(expr)) { case IS_ARRAY: ZEND_PUTS("Array ("); if (ZEND_HASH_APPLY_PROTECTION(Z_ARRVAL_P(expr)) && ++Z_ARRVAL_P(expr)->u.v.nApplyCount>1) { ZEND_PUTS(" *RECURSION*"); Z_ARRVAL_P(expr)->u.v.nApplyCount--; return; } print_flat_hash(Z_ARRVAL_P(expr) TSRMLS_CC); ZEND_PUTS(")"); if (ZEND_HASH_APPLY_PROTECTION(Z_ARRVAL_P(expr))) { Z_ARRVAL_P(expr)->u.v.nApplyCount--; } break; case IS_OBJECT: { HashTable *properties = NULL; zend_string *class_name = NULL; if (Z_OBJ_HANDLER_P(expr, get_class_name)) { class_name = Z_OBJ_HANDLER_P(expr, get_class_name)(Z_OBJ_P(expr), 0 TSRMLS_CC); } if (class_name) { zend_printf("%s Object (", class_name->val); } else { zend_printf("%s Object (", "Unknown Class"); } if (class_name) { STR_RELEASE(class_name); } if (Z_OBJ_HANDLER_P(expr, get_properties)) { properties = Z_OBJPROP_P(expr); } if (properties) { if (++properties->u.v.nApplyCount>1) { ZEND_PUTS(" *RECURSION*"); properties->u.v.nApplyCount--; return; } print_flat_hash(properties TSRMLS_CC); properties->u.v.nApplyCount--; } ZEND_PUTS(")"); break; } default: zend_print_variable(expr TSRMLS_CC); break; } } /* }}} */ ZEND_API void zend_print_zval_r(zval *expr, int indent TSRMLS_DC) /* {{{ */ { zend_print_zval_r_ex(zend_write, expr, indent TSRMLS_CC); } /* }}} */ ZEND_API void zend_print_zval_r_ex(zend_write_func_t write_func, zval *expr, int indent TSRMLS_DC) /* {{{ */ { ZVAL_DEREF(expr); switch (Z_TYPE_P(expr)) { case IS_ARRAY: ZEND_PUTS_EX("Array\n"); if (ZEND_HASH_APPLY_PROTECTION(Z_ARRVAL_P(expr)) && ++Z_ARRVAL_P(expr)->u.v.nApplyCount>1) { ZEND_PUTS_EX(" *RECURSION*"); Z_ARRVAL_P(expr)->u.v.nApplyCount--; return; } print_hash(write_func, Z_ARRVAL_P(expr), indent, 0 TSRMLS_CC); if (ZEND_HASH_APPLY_PROTECTION(Z_ARRVAL_P(expr))) { Z_ARRVAL_P(expr)->u.v.nApplyCount--; } break; case IS_OBJECT: { HashTable *properties; zend_string *class_name = NULL; int is_temp; if (Z_OBJ_HANDLER_P(expr, get_class_name)) { class_name = Z_OBJ_HANDLER_P(expr, get_class_name)(Z_OBJ_P(expr), 0 TSRMLS_CC); } if (class_name) { ZEND_PUTS_EX(class_name->val); } else { ZEND_PUTS_EX("Unknown Class"); } ZEND_PUTS_EX(" Object\n"); if (class_name) { STR_RELEASE(class_name); } if ((properties = Z_OBJDEBUG_P(expr, is_temp)) == NULL) { break; } if (++properties->u.v.nApplyCount>1) { ZEND_PUTS_EX(" *RECURSION*"); properties->u.v.nApplyCount--; return; } print_hash(write_func, properties, indent, 1 TSRMLS_CC); properties->u.v.nApplyCount--; if (is_temp) { zend_hash_destroy(properties); FREE_HASHTABLE(properties); } break; } default: zend_print_zval_ex(write_func, expr, indent TSRMLS_CC); break; } } /* }}} */ static FILE *zend_fopen_wrapper(const char *filename, char **opened_path TSRMLS_DC) /* {{{ */ { if (opened_path) { *opened_path = estrdup(filename); } return fopen(filename, "rb"); } /* }}} */ #ifdef ZTS static zend_bool asp_tags_default = 0; static zend_bool short_tags_default = 1; static zend_uint compiler_options_default = ZEND_COMPILE_DEFAULT; #else # define asp_tags_default 0 # define short_tags_default 1 # define compiler_options_default ZEND_COMPILE_DEFAULT #endif static void zend_set_default_compile_time_values(TSRMLS_D) /* {{{ */ { /* default compile-time values */ CG(asp_tags) = asp_tags_default; CG(short_tags) = short_tags_default; CG(compiler_options) = compiler_options_default; } /* }}} */ static void zend_init_exception_op(TSRMLS_D) /* {{{ */ { memset(EG(exception_op), 0, sizeof(EG(exception_op))); EG(exception_op)[0].opcode = ZEND_HANDLE_EXCEPTION; EG(exception_op)[0].op1_type = IS_UNUSED; EG(exception_op)[0].op2_type = IS_UNUSED; EG(exception_op)[0].result_type = IS_UNUSED; ZEND_VM_SET_OPCODE_HANDLER(EG(exception_op)); EG(exception_op)[1].opcode = ZEND_HANDLE_EXCEPTION; EG(exception_op)[1].op1_type = IS_UNUSED; EG(exception_op)[1].op2_type = IS_UNUSED; EG(exception_op)[1].result_type = IS_UNUSED; ZEND_VM_SET_OPCODE_HANDLER(EG(exception_op)+1); EG(exception_op)[2].opcode = ZEND_HANDLE_EXCEPTION; EG(exception_op)[2].op1_type = IS_UNUSED; EG(exception_op)[2].op2_type = IS_UNUSED; EG(exception_op)[2].result_type = IS_UNUSED; ZEND_VM_SET_OPCODE_HANDLER(EG(exception_op)+2); } /* }}} */ #ifdef ZTS static void function_copy_ctor(zval *zv) { zend_function *old_func = Z_FUNC_P(zv); Z_FUNC_P(zv) = pemalloc(sizeof(zend_internal_function), 1); memcpy(Z_FUNC_P(zv), old_func, sizeof(zend_internal_function)); function_add_ref(Z_FUNC_P(zv)); } static void compiler_globals_ctor(zend_compiler_globals *compiler_globals TSRMLS_DC) /* {{{ */ { compiler_globals->compiled_filename = NULL; compiler_globals->function_table = (HashTable *) malloc(sizeof(HashTable)); zend_hash_init_ex(compiler_globals->function_table, 1024, NULL, ZEND_FUNCTION_DTOR, 1, 0); zend_hash_copy(compiler_globals->function_table, global_function_table, function_copy_ctor); compiler_globals->class_table = (HashTable *) malloc(sizeof(HashTable)); zend_hash_init_ex(compiler_globals->class_table, 64, NULL, ZEND_CLASS_DTOR, 1, 0); zend_hash_copy(compiler_globals->class_table, global_class_table, zend_class_add_ref); zend_set_default_compile_time_values(TSRMLS_C); CG(interactive) = 0; compiler_globals->auto_globals = (HashTable *) malloc(sizeof(HashTable)); zend_hash_init_ex(compiler_globals->auto_globals, 8, NULL, NULL, 1, 0); zend_hash_copy(compiler_globals->auto_globals, global_auto_globals_table, NULL /* empty element */); compiler_globals->last_static_member = zend_hash_num_elements(compiler_globals->class_table); if (compiler_globals->last_static_member) { compiler_globals->static_members_table = calloc(compiler_globals->last_static_member, sizeof(zval**)); } else { compiler_globals->static_members_table = NULL; } compiler_globals->script_encoding_list = NULL; } /* }}} */ static void compiler_globals_dtor(zend_compiler_globals *compiler_globals TSRMLS_DC) /* {{{ */ { if (compiler_globals->function_table != GLOBAL_FUNCTION_TABLE) { zend_hash_destroy(compiler_globals->function_table); free(compiler_globals->function_table); } if (compiler_globals->class_table != GLOBAL_CLASS_TABLE) { zend_hash_destroy(compiler_globals->class_table); free(compiler_globals->class_table); } if (compiler_globals->auto_globals != GLOBAL_AUTO_GLOBALS_TABLE) { zend_hash_destroy(compiler_globals->auto_globals); free(compiler_globals->auto_globals); } if (compiler_globals->static_members_table) { free(compiler_globals->static_members_table); } if (compiler_globals->script_encoding_list) { pefree(compiler_globals->script_encoding_list, 1); } compiler_globals->last_static_member = 0; } /* }}} */ static void executor_globals_ctor(zend_executor_globals *executor_globals TSRMLS_DC) /* {{{ */ { zend_startup_constants(TSRMLS_C); zend_copy_constants(EG(zend_constants), GLOBAL_CONSTANTS_TABLE); zend_init_rsrc_plist(TSRMLS_C); zend_init_exception_op(TSRMLS_C); EG(lambda_count) = 0; ZVAL_UNDEF(&EG(user_error_handler)); ZVAL_UNDEF(&EG(user_exception_handler)); EG(in_autoload) = NULL; EG(current_execute_data) = NULL; EG(current_module) = NULL; EG(exit_status) = 0; #if XPFPA_HAVE_CW EG(saved_fpu_cw) = 0; #endif EG(saved_fpu_cw_ptr) = NULL; EG(active) = 0; } /* }}} */ static void executor_globals_dtor(zend_executor_globals *executor_globals TSRMLS_DC) /* {{{ */ { zend_ini_shutdown(TSRMLS_C); if (&executor_globals->persistent_list != global_persistent_list) { zend_destroy_rsrc_list(&executor_globals->persistent_list TSRMLS_CC); } if (executor_globals->zend_constants != GLOBAL_CONSTANTS_TABLE) { zend_hash_destroy(executor_globals->zend_constants); free(executor_globals->zend_constants); } } /* }}} */ static void zend_new_thread_end_handler(THREAD_T thread_id TSRMLS_DC) /* {{{ */ { if (zend_copy_ini_directives(TSRMLS_C) == SUCCESS) { zend_ini_refresh_caches(ZEND_INI_STAGE_STARTUP TSRMLS_CC); } } /* }}} */ #endif #if defined(__FreeBSD__) || defined(__DragonFly__) /* FreeBSD and DragonFly floating point precision fix */ #include #endif static void ini_scanner_globals_ctor(zend_ini_scanner_globals *scanner_globals_p TSRMLS_DC) /* {{{ */ { memset(scanner_globals_p, 0, sizeof(*scanner_globals_p)); } /* }}} */ static void php_scanner_globals_ctor(zend_php_scanner_globals *scanner_globals_p TSRMLS_DC) /* {{{ */ { memset(scanner_globals_p, 0, sizeof(*scanner_globals_p)); } /* }}} */ void zend_init_opcodes_handlers(void); static void module_destructor_zval(zval *zv) /* {{{ */ { zend_module_entry *module = (zend_module_entry*)Z_PTR_P(zv); module_destructor(module); free(module); } /* }}} */ static void auto_global_dtor(zval *zv) /* {{{ */ { free(Z_PTR_P(zv)); } /* }}} */ static zend_bool php_auto_globals_create_globals(zend_string *name TSRMLS_DC) /* {{{ */ { zval globals; ZVAL_ARR(&globals, &EG(symbol_table)); ZVAL_NEW_REF(&globals, &globals); zend_hash_update(&EG(symbol_table).ht, name, &globals); return 0; } /* }}} */ int zend_startup(zend_utility_functions *utility_functions, char **extensions TSRMLS_DC) /* {{{ */ { #ifdef ZTS zend_compiler_globals *compiler_globals; zend_executor_globals *executor_globals; extern ZEND_API ts_rsrc_id ini_scanner_globals_id; extern ZEND_API ts_rsrc_id language_scanner_globals_id; #else extern zend_ini_scanner_globals ini_scanner_globals; extern zend_php_scanner_globals language_scanner_globals; #endif start_memory_manager(TSRMLS_C); virtual_cwd_startup(); /* Could use shutdown to free the main cwd but it would just slow it down for CGI */ #if defined(__FreeBSD__) || defined(__DragonFly__) /* FreeBSD and DragonFly floating point precision fix */ fpsetmask(0); #endif zend_startup_strtod(); zend_startup_extensions_mechanism(); /* Set up utility functions and values */ zend_error_cb = utility_functions->error_function; zend_printf = utility_functions->printf_function; zend_write = (zend_write_func_t) utility_functions->write_function; zend_fopen = utility_functions->fopen_function; if (!zend_fopen) { zend_fopen = zend_fopen_wrapper; } zend_stream_open_function = utility_functions->stream_open_function; zend_message_dispatcher_p = utility_functions->message_handler; #ifndef ZEND_SIGNALS zend_block_interruptions = utility_functions->block_interruptions; zend_unblock_interruptions = utility_functions->unblock_interruptions; #endif zend_get_configuration_directive_p = utility_functions->get_configuration_directive; zend_ticks_function = utility_functions->ticks_function; zend_on_timeout = utility_functions->on_timeout; zend_vspprintf = utility_functions->vspprintf_function; zend_vstrpprintf = utility_functions->vstrpprintf_function; zend_getenv = utility_functions->getenv_function; zend_resolve_path = utility_functions->resolve_path_function; #if HAVE_DTRACE /* build with dtrace support */ zend_compile_file = dtrace_compile_file; zend_execute_ex = dtrace_execute_ex; zend_execute_internal = dtrace_execute_internal; #else zend_compile_file = compile_file; zend_execute_ex = execute_ex; zend_execute_internal = NULL; #endif /* HAVE_SYS_SDT_H */ zend_compile_string = compile_string; zend_throw_exception_hook = NULL; zend_init_opcodes_handlers(); /* set up version */ zend_version_info = strdup(ZEND_CORE_VERSION_INFO); zend_version_info_length = sizeof(ZEND_CORE_VERSION_INFO) - 1; GLOBAL_FUNCTION_TABLE = (HashTable *) malloc(sizeof(HashTable)); GLOBAL_CLASS_TABLE = (HashTable *) malloc(sizeof(HashTable)); GLOBAL_AUTO_GLOBALS_TABLE = (HashTable *) malloc(sizeof(HashTable)); GLOBAL_CONSTANTS_TABLE = (HashTable *) malloc(sizeof(HashTable)); zend_hash_init_ex(GLOBAL_FUNCTION_TABLE, 1024, NULL, ZEND_FUNCTION_DTOR, 1, 0); zend_hash_init_ex(GLOBAL_CLASS_TABLE, 64, NULL, ZEND_CLASS_DTOR, 1, 0); zend_hash_init_ex(GLOBAL_AUTO_GLOBALS_TABLE, 8, NULL, auto_global_dtor, 1, 0); zend_hash_init_ex(GLOBAL_CONSTANTS_TABLE, 128, NULL, ZEND_CONSTANT_DTOR, 1, 0); zend_hash_init_ex(&module_registry, 32, NULL, module_destructor_zval, 1, 0); zend_init_rsrc_list_dtors(); #ifdef ZTS ts_allocate_id(&compiler_globals_id, sizeof(zend_compiler_globals), (ts_allocate_ctor) compiler_globals_ctor, (ts_allocate_dtor) compiler_globals_dtor); ts_allocate_id(&executor_globals_id, sizeof(zend_executor_globals), (ts_allocate_ctor) executor_globals_ctor, (ts_allocate_dtor) executor_globals_dtor); ts_allocate_id(&language_scanner_globals_id, sizeof(zend_php_scanner_globals), (ts_allocate_ctor) php_scanner_globals_ctor, NULL); ts_allocate_id(&ini_scanner_globals_id, sizeof(zend_ini_scanner_globals), (ts_allocate_ctor) ini_scanner_globals_ctor, NULL); compiler_globals = ts_resource(compiler_globals_id); executor_globals = ts_resource(executor_globals_id); compiler_globals_dtor(compiler_globals TSRMLS_CC); compiler_globals->in_compilation = 0; compiler_globals->function_table = (HashTable *) malloc(sizeof(HashTable)); compiler_globals->class_table = (HashTable *) malloc(sizeof(HashTable)); *compiler_globals->function_table = *GLOBAL_FUNCTION_TABLE; *compiler_globals->class_table = *GLOBAL_CLASS_TABLE; compiler_globals->auto_globals = GLOBAL_AUTO_GLOBALS_TABLE; zend_hash_destroy(executor_globals->zend_constants); *executor_globals->zend_constants = *GLOBAL_CONSTANTS_TABLE; #else ini_scanner_globals_ctor(&ini_scanner_globals TSRMLS_CC); php_scanner_globals_ctor(&language_scanner_globals TSRMLS_CC); zend_set_default_compile_time_values(TSRMLS_C); ZVAL_UNDEF(&EG(user_error_handler)); ZVAL_UNDEF(&EG(user_exception_handler)); #endif zend_interned_strings_init(TSRMLS_C); zend_startup_builtin_functions(TSRMLS_C); zend_register_standard_constants(TSRMLS_C); zend_register_auto_global(STR_INIT("GLOBALS", sizeof("GLOBALS") - 1, 1), 1, php_auto_globals_create_globals TSRMLS_CC); #ifndef ZTS zend_init_rsrc_plist(TSRMLS_C); zend_init_exception_op(TSRMLS_C); #endif zend_ini_startup(TSRMLS_C); #ifdef ZTS tsrm_set_new_thread_end_handler(zend_new_thread_end_handler); #endif return SUCCESS; } /* }}} */ void zend_register_standard_ini_entries(TSRMLS_D) /* {{{ */ { int module_number = 0; REGISTER_INI_ENTRIES(); } /* }}} */ /* Unlink the global (r/o) copies of the class, function and constant tables, * and use a fresh r/w copy for the startup thread */ void zend_post_startup(TSRMLS_D) /* {{{ */ { #ifdef ZTS zend_encoding **script_encoding_list; zend_compiler_globals *compiler_globals = ts_resource(compiler_globals_id); zend_executor_globals *executor_globals = ts_resource(executor_globals_id); *GLOBAL_FUNCTION_TABLE = *compiler_globals->function_table; *GLOBAL_CLASS_TABLE = *compiler_globals->class_table; *GLOBAL_CONSTANTS_TABLE = *executor_globals->zend_constants; asp_tags_default = CG(asp_tags); short_tags_default = CG(short_tags); compiler_options_default = CG(compiler_options); zend_destroy_rsrc_list(&EG(persistent_list) TSRMLS_CC); free(compiler_globals->function_table); free(compiler_globals->class_table); if ((script_encoding_list = (zend_encoding **)compiler_globals->script_encoding_list)) { compiler_globals_ctor(compiler_globals, tsrm_ls); compiler_globals->script_encoding_list = (const zend_encoding **)script_encoding_list; } else { compiler_globals_ctor(compiler_globals, tsrm_ls); } free(EG(zend_constants)); virtual_cwd_deactivate(TSRMLS_C); executor_globals_ctor(executor_globals, tsrm_ls); global_persistent_list = &EG(persistent_list); zend_copy_ini_directives(TSRMLS_C); #else virtual_cwd_deactivate(TSRMLS_C); #endif } /* }}} */ void zend_shutdown(TSRMLS_D) /* {{{ */ { #ifdef ZEND_SIGNALS zend_signal_shutdown(TSRMLS_C); #endif #ifdef ZEND_WIN32 zend_shutdown_timeout_thread(); #endif zend_destroy_rsrc_list(&EG(persistent_list) TSRMLS_CC); zend_destroy_modules(); virtual_cwd_deactivate(TSRMLS_C); virtual_cwd_shutdown(); zend_hash_destroy(GLOBAL_FUNCTION_TABLE); zend_hash_destroy(GLOBAL_CLASS_TABLE); zend_hash_destroy(GLOBAL_AUTO_GLOBALS_TABLE); free(GLOBAL_AUTO_GLOBALS_TABLE); zend_shutdown_extensions(TSRMLS_C); free(zend_version_info); free(GLOBAL_FUNCTION_TABLE); free(GLOBAL_CLASS_TABLE); zend_hash_destroy(GLOBAL_CONSTANTS_TABLE); free(GLOBAL_CONSTANTS_TABLE); zend_shutdown_strtod(); #ifdef ZTS GLOBAL_FUNCTION_TABLE = NULL; GLOBAL_CLASS_TABLE = NULL; GLOBAL_AUTO_GLOBALS_TABLE = NULL; GLOBAL_CONSTANTS_TABLE = NULL; #endif zend_destroy_rsrc_list_dtors(); zend_interned_strings_dtor(TSRMLS_C); } /* }}} */ void zend_set_utility_values(zend_utility_values *utility_values) /* {{{ */ { zend_uv = *utility_values; zend_uv.import_use_extension_length = strlen(zend_uv.import_use_extension); } /* }}} */ /* this should be compatible with the standard zenderror */ void zenderror(const char *error) /* {{{ */ { zend_error(E_PARSE, "%s", error); } /* }}} */ BEGIN_EXTERN_C() ZEND_API void _zend_bailout(char *filename, uint lineno) /* {{{ */ { TSRMLS_FETCH(); if (!EG(bailout)) { zend_output_debug_string(1, "%s(%d) : Bailed out without a bailout address!", filename, lineno); exit(-1); } CG(unclean_shutdown) = 1; CG(active_class_entry) = NULL; CG(in_compilation) = 0; EG(current_execute_data) = NULL; LONGJMP(*EG(bailout), FAILURE); } /* }}} */ END_EXTERN_C() void zend_append_version_info(const zend_extension *extension) /* {{{ */ { char *new_info; uint new_info_length; new_info_length = sizeof(" with v, , by \n") + strlen(extension->name) + strlen(extension->version) + strlen(extension->copyright) + strlen(extension->author); new_info = (char *) malloc(new_info_length + 1); snprintf(new_info, new_info_length, " with %s v%s, %s, by %s\n", extension->name, extension->version, extension->copyright, extension->author); zend_version_info = (char *) realloc(zend_version_info, zend_version_info_length+new_info_length + 1); strncat(zend_version_info, new_info, new_info_length); zend_version_info_length += new_info_length; free(new_info); } /* }}} */ ZEND_API char *get_zend_version(void) /* {{{ */ { return zend_version_info; } /* }}} */ ZEND_API void zend_activate(TSRMLS_D) /* {{{ */ { #ifdef ZTS virtual_cwd_activate(TSRMLS_C); #endif gc_reset(TSRMLS_C); init_compiler(TSRMLS_C); init_executor(TSRMLS_C); startup_scanner(TSRMLS_C); } /* }}} */ void zend_call_destructors(TSRMLS_D) /* {{{ */ { zend_try { shutdown_destructors(TSRMLS_C); } zend_end_try(); } /* }}} */ ZEND_API void zend_deactivate(TSRMLS_D) /* {{{ */ { /* we're no longer executing anything */ EG(current_execute_data) = NULL; zend_try { shutdown_scanner(TSRMLS_C); } zend_end_try(); /* shutdown_executor() takes care of its own bailout handling */ shutdown_executor(TSRMLS_C); zend_try { shutdown_compiler(TSRMLS_C); } zend_end_try(); zend_destroy_rsrc_list(&EG(regular_list) TSRMLS_CC); #if ZEND_DEBUG if (GC_G(gc_enabled) && !CG(unclean_shutdown)) { gc_collect_cycles(TSRMLS_C); } #endif #if GC_BENCH fprintf(stderr, "GC Statistics\n"); fprintf(stderr, "-------------\n"); fprintf(stderr, "Runs: %d\n", GC_G(gc_runs)); fprintf(stderr, "Collected: %d\n", GC_G(collected)); fprintf(stderr, "Root buffer length: %d\n", GC_G(root_buf_length)); fprintf(stderr, "Root buffer peak: %d\n\n", GC_G(root_buf_peak)); fprintf(stderr, " Possible Remove from Marked\n"); fprintf(stderr, " Root Buffered buffer grey\n"); fprintf(stderr, " -------- -------- ----------- ------\n"); fprintf(stderr, "ZVAL %8d %8d %9d %8d\n", GC_G(zval_possible_root), GC_G(zval_buffered), GC_G(zval_remove_from_buffer), GC_G(zval_marked_grey)); fprintf(stderr, "ZOBJ %8d %8d %9d %8d\n", GC_G(zobj_possible_root), GC_G(zobj_buffered), GC_G(zobj_remove_from_buffer), GC_G(zobj_marked_grey)); #endif zend_try { zend_ini_deactivate(TSRMLS_C); } zend_end_try(); } /* }}} */ BEGIN_EXTERN_C() ZEND_API void zend_message_dispatcher(long message, const void *data TSRMLS_DC) /* {{{ */ { if (zend_message_dispatcher_p) { zend_message_dispatcher_p(message, data TSRMLS_CC); } } /* }}} */ END_EXTERN_C() ZEND_API int zend_get_configuration_directive(const char *name, uint name_length, zval *contents) /* {{{ */ { if (zend_get_configuration_directive_p) { return zend_get_configuration_directive_p(name, name_length, contents); } else { return FAILURE; } } /* }}} */ #define SAVE_STACK(stack) do { \ if (CG(stack).top) { \ memcpy(&stack, &CG(stack), sizeof(zend_stack)); \ CG(stack).top = CG(stack).max = 0; \ CG(stack).elements = NULL; \ } else { \ stack.top = 0; \ } \ } while (0) #define RESTORE_STACK(stack) do { \ if (stack.top) { \ zend_stack_destroy(&CG(stack)); \ memcpy(&CG(stack), &stack, sizeof(zend_stack)); \ } \ } while (0) ZEND_API void zend_error(int type, const char *format, ...) /* {{{ */ { char *str; int len; va_list args; va_list usr_copy; zval params[5]; zval retval; const char *error_filename; uint error_lineno = 0; zval orig_user_error_handler; zend_bool in_compilation; zend_class_entry *saved_class_entry; zend_stack switch_cond_stack; zend_stack foreach_copy_stack; zend_stack context_stack; zend_array *symbol_table; TSRMLS_FETCH(); /* Report about uncaught exception in case of fatal errors */ if (EG(exception)) { zend_execute_data *ex; zend_op *opline; switch (type) { case E_CORE_ERROR: case E_ERROR: case E_RECOVERABLE_ERROR: case E_PARSE: case E_COMPILE_ERROR: case E_USER_ERROR: ex = EG(current_execute_data); opline = NULL; while (ex && (!ex->func || !ZEND_USER_CODE(ex->func->type))) { ex = ex->prev_execute_data; } if (ex && ex->opline->opcode == ZEND_HANDLE_EXCEPTION && EG(opline_before_exception)) { opline = EG(opline_before_exception); } zend_exception_error(EG(exception), E_WARNING TSRMLS_CC); EG(exception) = NULL; if (opline) { ex->opline = opline; } break; default: break; } } /* Obtain relevant filename and lineno */ switch (type) { case E_CORE_ERROR: case E_CORE_WARNING: error_filename = NULL; error_lineno = 0; break; case E_PARSE: case E_COMPILE_ERROR: case E_COMPILE_WARNING: case E_ERROR: case E_NOTICE: case E_STRICT: case E_DEPRECATED: case E_WARNING: case E_USER_ERROR: case E_USER_WARNING: case E_USER_NOTICE: case E_USER_DEPRECATED: case E_RECOVERABLE_ERROR: if (zend_is_compiling(TSRMLS_C)) { error_filename = zend_get_compiled_filename(TSRMLS_C)->val; error_lineno = zend_get_compiled_lineno(TSRMLS_C); } else if (zend_is_executing(TSRMLS_C)) { error_filename = zend_get_executed_filename(TSRMLS_C); if (error_filename[0] == '[') { /* [no active file] */ error_filename = NULL; error_lineno = 0; } else { error_lineno = zend_get_executed_lineno(TSRMLS_C); } } else { error_filename = NULL; error_lineno = 0; } break; default: error_filename = NULL; error_lineno = 0; break; } if (!error_filename) { error_filename = "Unknown"; } #ifdef HAVE_DTRACE if(DTRACE_ERROR_ENABLED()) { char *dtrace_error_buffer; va_start(args, format); zend_vspprintf(&dtrace_error_buffer, 0, format, args); DTRACE_ERROR(dtrace_error_buffer, (char *)error_filename, error_lineno); efree(dtrace_error_buffer); va_end(args); } #endif /* HAVE_DTRACE */ va_start(args, format); /* if we don't have a user defined error handler */ if (Z_TYPE(EG(user_error_handler)) == IS_UNDEF || !(EG(user_error_handler_error_reporting) & type) || EG(error_handling) != EH_NORMAL) { zend_error_cb(type, error_filename, error_lineno, format, args); } else switch (type) { case E_ERROR: case E_PARSE: case E_CORE_ERROR: case E_CORE_WARNING: case E_COMPILE_ERROR: case E_COMPILE_WARNING: /* The error may not be safe to handle in user-space */ zend_error_cb(type, error_filename, error_lineno, format, args); break; default: /* Handle the error in user space */ /* va_copy() is __va_copy() in old gcc versions. * According to the autoconf manual, using * memcpy(&dst, &src, sizeof(va_list)) * gives maximum portability. */ #ifndef va_copy # ifdef __va_copy # define va_copy(dest, src) __va_copy((dest), (src)) # else # define va_copy(dest, src) memcpy(&(dest), &(src), sizeof(va_list)) # endif #endif va_copy(usr_copy, args); len = zend_vspprintf(&str, 0, format, usr_copy); ZVAL_NEW_STR(¶ms[1], STR_INIT(str, len, 0)); efree(str); #ifdef va_copy va_end(usr_copy); #endif ZVAL_LONG(¶ms[0], type); if (error_filename) { ZVAL_STRING(¶ms[2], error_filename); } else { ZVAL_NULL(¶ms[2]); } ZVAL_LONG(¶ms[3], error_lineno); symbol_table = zend_rebuild_symbol_table(TSRMLS_C); /* during shutdown the symbol table table can be still null */ if (!symbol_table) { ZVAL_NULL(¶ms[4]); } else { ZVAL_NEW_ARR(¶ms[4]); zend_array_dup(Z_ARRVAL(params[4]), &symbol_table->ht); } ZVAL_COPY_VALUE(&orig_user_error_handler, &EG(user_error_handler)); ZVAL_UNDEF(&EG(user_error_handler)); /* User error handler may include() additinal PHP files. * If an error was generated during comilation PHP will compile * such scripts recursivly, but some CG() variables may be * inconsistent. */ in_compilation = CG(in_compilation); if (in_compilation) { saved_class_entry = CG(active_class_entry); CG(active_class_entry) = NULL; SAVE_STACK(switch_cond_stack); SAVE_STACK(foreach_copy_stack); SAVE_STACK(context_stack); CG(in_compilation) = 0; } ZVAL_UNDEF(&retval); if (call_user_function_ex(CG(function_table), NULL, &orig_user_error_handler, &retval, 5, params, 1, NULL TSRMLS_CC) == SUCCESS) { if (Z_TYPE(retval) != IS_UNDEF) { if (Z_TYPE(retval) == IS_FALSE) { zend_error_cb(type, error_filename, error_lineno, format, args); } zval_ptr_dtor(&retval); } } else if (!EG(exception)) { /* The user error handler failed, use built-in error handler */ zend_error_cb(type, error_filename, error_lineno, format, args); } if (in_compilation) { CG(active_class_entry) = saved_class_entry; RESTORE_STACK(switch_cond_stack); RESTORE_STACK(foreach_copy_stack); RESTORE_STACK(context_stack); CG(in_compilation) = 1; } zval_ptr_dtor(¶ms[4]); zval_ptr_dtor(¶ms[3]); zval_ptr_dtor(¶ms[2]); zval_ptr_dtor(¶ms[1]); zval_ptr_dtor(¶ms[0]); if (Z_TYPE(EG(user_error_handler)) == IS_UNDEF) { ZVAL_COPY_VALUE(&EG(user_error_handler), &orig_user_error_handler); } else { zval_ptr_dtor(&orig_user_error_handler); } break; } va_end(args); if (type == E_PARSE) { /* eval() errors do not affect exit_status */ if (!(EG(current_execute_data) && EG(current_execute_data)->func && ZEND_USER_CODE(EG(current_execute_data)->func->type) && EG(current_execute_data)->opline->opcode == ZEND_INCLUDE_OR_EVAL && EG(current_execute_data)->opline->extended_value == ZEND_EVAL)) { EG(exit_status) = 255; } zend_init_compiler_data_structures(TSRMLS_C); } } /* }}} */ #if defined(__GNUC__) && __GNUC__ >= 3 && !defined(__INTEL_COMPILER) && !defined(DARWIN) && !defined(__hpux) && !defined(_AIX) && !defined(__osf__) void zend_error_noreturn(int type, const char *format, ...) __attribute__ ((alias("zend_error"),noreturn)); #endif ZEND_API void zend_output_debug_string(zend_bool trigger_break, const char *format, ...) /* {{{ */ { #if ZEND_DEBUG va_list args; va_start(args, format); # ifdef ZEND_WIN32 { char output_buf[1024]; vsnprintf(output_buf, 1024, format, args); OutputDebugString(output_buf); OutputDebugString("\n"); if (trigger_break && IsDebuggerPresent()) { DebugBreak(); } } # else vfprintf(stderr, format, args); fprintf(stderr, "\n"); # endif va_end(args); #endif } /* }}} */ ZEND_API int zend_execute_scripts(int type TSRMLS_DC, zval *retval, int file_count, ...) /* {{{ */ { va_list files; int i; zend_file_handle *file_handle; zend_op_array *op_array; long orig_interactive = CG(interactive); va_start(files, file_count); for (i = 0; i < file_count; i++) { file_handle = va_arg(files, zend_file_handle *); if (!file_handle) { continue; } if (orig_interactive) { if (file_handle->filename[0] != '-' || file_handle->filename[1]) { CG(interactive) = 0; } else { CG(interactive) = 1; } } op_array = zend_compile_file(file_handle, type TSRMLS_CC); if (file_handle->opened_path) { zend_hash_str_add_empty_element(&EG(included_files), file_handle->opened_path, strlen(file_handle->opened_path)); } zend_destroy_file_handle(file_handle TSRMLS_CC); if (op_array) { zend_execute(op_array, retval TSRMLS_CC); zend_exception_restore(TSRMLS_C); if (EG(exception)) { if (Z_TYPE(EG(user_exception_handler)) != IS_UNDEF) { zval orig_user_exception_handler; zval params[1], retval2; zend_object *old_exception; old_exception = EG(exception); EG(exception) = NULL; ZVAL_OBJ(¶ms[0], old_exception); ZVAL_COPY_VALUE(&orig_user_exception_handler, &EG(user_exception_handler)); ZVAL_UNDEF(&retval2); if (call_user_function_ex(CG(function_table), NULL, &orig_user_exception_handler, &retval2, 1, params, 1, NULL TSRMLS_CC) == SUCCESS) { zval_ptr_dtor(&retval2); if (EG(exception)) { OBJ_RELEASE(EG(exception)); EG(exception) = NULL; } OBJ_RELEASE(old_exception); } else { EG(exception) = old_exception; zend_exception_error(EG(exception), E_ERROR TSRMLS_CC); } } else { zend_exception_error(EG(exception), E_ERROR TSRMLS_CC); } } destroy_op_array(op_array TSRMLS_CC); efree(op_array); } else if (type==ZEND_REQUIRE) { va_end(files); CG(interactive) = orig_interactive; return FAILURE; } } va_end(files); CG(interactive) = orig_interactive; return SUCCESS; } /* }}} */ #define COMPILED_STRING_DESCRIPTION_FORMAT "%s(%d) : %s" ZEND_API char *zend_make_compiled_string_description(const char *name TSRMLS_DC) /* {{{ */ { const char *cur_filename; int cur_lineno; char *compiled_string_description; if (zend_is_compiling(TSRMLS_C)) { cur_filename = zend_get_compiled_filename(TSRMLS_C)->val; cur_lineno = zend_get_compiled_lineno(TSRMLS_C); } else if (zend_is_executing(TSRMLS_C)) { cur_filename = zend_get_executed_filename(TSRMLS_C); cur_lineno = zend_get_executed_lineno(TSRMLS_C); } else { cur_filename = "Unknown"; cur_lineno = 0; } zend_spprintf(&compiled_string_description, 0, COMPILED_STRING_DESCRIPTION_FORMAT, cur_filename, cur_lineno, name); return compiled_string_description; } /* }}} */ void free_estring(char **str_p) /* {{{ */ { efree(*str_p); } void free_string_zval(zval *zv) /* {{{ */ { zend_string *str = Z_PTR_P(zv); STR_RELEASE(str); } /* }}} */ /* * Local variables: * tab-width: 4 * c-basic-offset: 4 * indent-tabs-mode: t * End: */