/* +----------------------------------------------------------------------+ | Copyright (c) The PHP Group | +----------------------------------------------------------------------+ | This source file is subject to version 3.01 of the PHP license, | | that is bundled with this package in the file LICENSE, and is | | available through the world-wide-web at the following url: | | https://www.php.net/license/3_01.txt | | If you did not receive a copy of the PHP 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. | +----------------------------------------------------------------------+ | Authors: Andi Gutmans | | Rasmus Lerdorf | | Zeev Suraski | +----------------------------------------------------------------------+ */ /* {{{ includes */ #define ZEND_INCLUDE_FULL_WINDOWS_HEADERS #include "php.h" #include #include #ifdef PHP_WIN32 #include "win32/time.h" #include "win32/signal.h" #include "win32/php_win32_globals.h" #include "win32/winutil.h" #include #endif #if HAVE_SYS_TIME_H #include #endif #if HAVE_UNISTD_H #include #endif #include #include #include "zend.h" #include "zend_types.h" #include "zend_extensions.h" #include "php_ini.h" #include "php_globals.h" #include "php_main.h" #include "php_syslog.h" #include "fopen_wrappers.h" #include "ext/standard/php_standard.h" #include "ext/date/php_date.h" #include "php_variables.h" #include "ext/standard/credits.h" #ifdef PHP_WIN32 #include #include "win32/php_registry.h" #include "ext/standard/flock_compat.h" #endif #include "php_syslog.h" #include "Zend/zend_exceptions.h" #if PHP_SIGCHILD #include #include #endif #include "zend_compile.h" #include "zend_execute.h" #include "zend_highlight.h" #include "zend_extensions.h" #include "zend_ini.h" #include "zend_dtrace.h" #include "zend_observer.h" #include "zend_system_id.h" #include "php_content_types.h" #include "php_ticks.h" #include "php_streams.h" #include "php_open_temporary_file.h" #include "SAPI.h" #include "rfc1867.h" #include "ext/standard/html_tables.h" #include "main_arginfo.h" /* }}} */ PHPAPI int (*php_register_internal_extensions_func)(void) = php_register_internal_extensions; #ifndef ZTS php_core_globals core_globals; #else PHPAPI int core_globals_id; PHPAPI size_t core_globals_offset; #endif #define SAFE_FILENAME(f) ((f)?(f):"-") PHPAPI const char *php_version(void) { return PHP_VERSION; } PHPAPI unsigned int php_version_id(void) { return PHP_VERSION_ID; } /* {{{ PHP_INI_MH */ static PHP_INI_MH(OnSetFacility) { const zend_string *facility = new_value; #ifdef LOG_AUTH if (zend_string_equals_literal(facility, "LOG_AUTH") || zend_string_equals_literal(facility, "auth") || zend_string_equals_literal(facility, "security")) { PG(syslog_facility) = LOG_AUTH; return SUCCESS; } #endif #ifdef LOG_AUTHPRIV if (zend_string_equals_literal(facility, "LOG_AUTHPRIV") || zend_string_equals_literal(facility, "authpriv")) { PG(syslog_facility) = LOG_AUTHPRIV; return SUCCESS; } #endif #ifdef LOG_CRON if (zend_string_equals_literal(facility, "LOG_CRON") || zend_string_equals_literal(facility, "cron")) { PG(syslog_facility) = LOG_CRON; return SUCCESS; } #endif #ifdef LOG_DAEMON if (zend_string_equals_literal(facility, "LOG_DAEMON") || zend_string_equals_literal(facility, "daemon")) { PG(syslog_facility) = LOG_DAEMON; return SUCCESS; } #endif #ifdef LOG_FTP if (zend_string_equals_literal(facility, "LOG_FTP") || zend_string_equals_literal(facility, "ftp")) { PG(syslog_facility) = LOG_FTP; return SUCCESS; } #endif #ifdef LOG_KERN if (zend_string_equals_literal(facility, "LOG_KERN") || zend_string_equals_literal(facility, "kern")) { PG(syslog_facility) = LOG_KERN; return SUCCESS; } #endif #ifdef LOG_LPR if (zend_string_equals_literal(facility, "LOG_LPR") || zend_string_equals_literal(facility, "lpr")) { PG(syslog_facility) = LOG_LPR; return SUCCESS; } #endif #ifdef LOG_MAIL if (zend_string_equals_literal(facility, "LOG_MAIL") || zend_string_equals_literal(facility, "mail")) { PG(syslog_facility) = LOG_MAIL; return SUCCESS; } #endif #ifdef LOG_INTERNAL_MARK if (zend_string_equals_literal(facility, "LOG_INTERNAL_MARK") || zend_string_equals_literal(facility, "mark")) { PG(syslog_facility) = LOG_INTERNAL_MARK; return SUCCESS; } #endif #ifdef LOG_NEWS if (zend_string_equals_literal(facility, "LOG_NEWS") || zend_string_equals_literal(facility, "news")) { PG(syslog_facility) = LOG_NEWS; return SUCCESS; } #endif #ifdef LOG_SYSLOG if (zend_string_equals_literal(facility, "LOG_SYSLOG") || zend_string_equals_literal(facility, "syslog")) { PG(syslog_facility) = LOG_SYSLOG; return SUCCESS; } #endif #ifdef LOG_USER if (zend_string_equals(facility, ZSTR_KNOWN(ZEND_STR_USER)) || zend_string_equals_literal(facility, "LOG_USER")) { PG(syslog_facility) = LOG_USER; return SUCCESS; } #endif #ifdef LOG_UUCP if (zend_string_equals_literal(facility, "LOG_UUCP") || zend_string_equals_literal(facility, "uucp")) { PG(syslog_facility) = LOG_UUCP; return SUCCESS; } #endif #ifdef LOG_LOCAL0 if (zend_string_equals_literal(facility, "LOG_LOCAL0") || zend_string_equals_literal(facility, "local0")) { PG(syslog_facility) = LOG_LOCAL0; return SUCCESS; } #endif #ifdef LOG_LOCAL1 if (zend_string_equals_literal(facility, "LOG_LOCAL1") || zend_string_equals_literal(facility, "local1")) { PG(syslog_facility) = LOG_LOCAL1; return SUCCESS; } #endif #ifdef LOG_LOCAL2 if (zend_string_equals_literal(facility, "LOG_LOCAL2") || zend_string_equals_literal(facility, "local2")) { PG(syslog_facility) = LOG_LOCAL2; return SUCCESS; } #endif #ifdef LOG_LOCAL3 if (zend_string_equals_literal(facility, "LOG_LOCAL3") || zend_string_equals_literal(facility, "local3")) { PG(syslog_facility) = LOG_LOCAL3; return SUCCESS; } #endif #ifdef LOG_LOCAL4 if (zend_string_equals_literal(facility, "LOG_LOCAL4") || zend_string_equals_literal(facility, "local4")) { PG(syslog_facility) = LOG_LOCAL4; return SUCCESS; } #endif #ifdef LOG_LOCAL5 if (zend_string_equals_literal(facility, "LOG_LOCAL5") || zend_string_equals_literal(facility, "local5")) { PG(syslog_facility) = LOG_LOCAL5; return SUCCESS; } #endif #ifdef LOG_LOCAL6 if (zend_string_equals_literal(facility, "LOG_LOCAL6") || zend_string_equals_literal(facility, "local6")) { PG(syslog_facility) = LOG_LOCAL6; return SUCCESS; } #endif #ifdef LOG_LOCAL7 if (zend_string_equals_literal(facility, "LOG_LOCAL7") || zend_string_equals_literal(facility, "local7")) { PG(syslog_facility) = LOG_LOCAL7; return SUCCESS; } #endif return FAILURE; } /* }}} */ /* {{{ PHP_INI_MH */ static PHP_INI_MH(OnSetPrecision) { zend_long i = ZEND_ATOL(ZSTR_VAL(new_value)); if (i >= -1) { EG(precision) = i; return SUCCESS; } else { return FAILURE; } } /* }}} */ /* {{{ PHP_INI_MH */ static PHP_INI_MH(OnSetSerializePrecision) { zend_long i = ZEND_ATOL(ZSTR_VAL(new_value)); if (i >= -1) { PG(serialize_precision) = i; return SUCCESS; } else { return FAILURE; } } /* }}} */ /* {{{ PHP_INI_MH */ static PHP_INI_MH(OnChangeMemoryLimit) { size_t value; if (new_value) { value = zend_ini_parse_uquantity_warn(new_value, entry->name); } else { value = Z_L(1)<<30; /* effectively, no limit */ } if (zend_set_memory_limit(value) == FAILURE) { /* When the memory limit is reset to the original level during deactivation, we may be * using more memory than the original limit while shutdown is still in progress. * Ignore a failure for now, and set the memory limit when the memory manager has been * shut down and the minimal amount of memory is used. */ if (stage != ZEND_INI_STAGE_DEACTIVATE) { zend_error(E_WARNING, "Failed to set memory limit to %zd bytes (Current memory usage is %zd bytes)", value, zend_memory_usage(true)); return FAILURE; } } PG(memory_limit) = value; return SUCCESS; } /* }}} */ /* {{{ PHP_INI_MH */ static PHP_INI_MH(OnSetLogFilter) { const zend_string *filter = new_value; if (zend_string_equals_literal(filter, "all")) { PG(syslog_filter) = PHP_SYSLOG_FILTER_ALL; return SUCCESS; } if (zend_string_equals_literal(filter, "no-ctrl")) { PG(syslog_filter) = PHP_SYSLOG_FILTER_NO_CTRL; return SUCCESS; } if (zend_string_equals_literal(filter, "ascii")) { PG(syslog_filter) = PHP_SYSLOG_FILTER_ASCII; return SUCCESS; } if (zend_string_equals_literal(filter, "raw")) { PG(syslog_filter) = PHP_SYSLOG_FILTER_RAW; return SUCCESS; } return FAILURE; } /* }}} */ /* {{{ php_disable_classes */ static void php_disable_classes(void) { char *s = NULL, *e; if (!*(INI_STR("disable_classes"))) { return; } e = PG(disable_classes) = strdup(INI_STR("disable_classes")); while (*e) { switch (*e) { case ' ': case ',': if (s) { *e = '\0'; zend_disable_class(s, e-s); s = NULL; } break; default: if (!s) { s = e; } break; } e++; } if (s) { zend_disable_class(s, e-s); } } /* }}} */ /* {{{ php_binary_init */ static void php_binary_init(void) { char *binary_location = NULL; #ifdef PHP_WIN32 binary_location = (char *)pemalloc(MAXPATHLEN, 1); if (GetModuleFileName(0, binary_location, MAXPATHLEN) == 0) { pefree(binary_location, 1); binary_location = NULL; } #else if (sapi_module.executable_location) { binary_location = (char *)pemalloc(MAXPATHLEN, 1); if (!strchr(sapi_module.executable_location, '/')) { char *envpath, *path; bool found = false; if ((envpath = getenv("PATH")) != NULL) { char *search_dir, search_path[MAXPATHLEN]; char *last = NULL; zend_stat_t s = {0}; path = estrdup(envpath); search_dir = php_strtok_r(path, ":", &last); while (search_dir) { snprintf(search_path, MAXPATHLEN, "%s/%s", search_dir, sapi_module.executable_location); if (VCWD_REALPATH(search_path, binary_location) && !VCWD_ACCESS(binary_location, X_OK) && VCWD_STAT(binary_location, &s) == 0 && S_ISREG(s.st_mode)) { found = true; break; } search_dir = php_strtok_r(NULL, ":", &last); } efree(path); } if (!found) { pefree(binary_location, 1); binary_location = NULL; } } else if (!VCWD_REALPATH(sapi_module.executable_location, binary_location) || VCWD_ACCESS(binary_location, X_OK)) { pefree(binary_location, 1); binary_location = NULL; } } #endif PG(php_binary) = binary_location; } /* }}} */ /* {{{ PHP_INI_MH */ static PHP_INI_MH(OnUpdateTimeout) { if (stage==PHP_INI_STAGE_STARTUP) { /* Don't set a timeout on startup, only per-request */ EG(timeout_seconds) = ZEND_ATOL(ZSTR_VAL(new_value)); return SUCCESS; } zend_unset_timeout(); EG(timeout_seconds) = ZEND_ATOL(ZSTR_VAL(new_value)); if (stage != PHP_INI_STAGE_DEACTIVATE) { /* * If we're restoring INI values, we shouldn't reset the timer. * Otherwise, the timer is active when PHP is idle, such as the * CLI web server or CGI. Running a script will re-activate * the timeout, so it's not needed to do so at script end. */ zend_set_timeout(EG(timeout_seconds), 0); } return SUCCESS; } /* }}} */ /* {{{ php_get_display_errors_mode() helper function */ static uint8_t php_get_display_errors_mode(zend_string *value) { if (!value) { return PHP_DISPLAY_ERRORS_STDOUT; } if (zend_string_equals_literal_ci(value, "on")) { return PHP_DISPLAY_ERRORS_STDOUT; } if (zend_string_equals_literal_ci(value, "yes")) { return PHP_DISPLAY_ERRORS_STDOUT; } if (zend_string_equals_literal_ci(value, "true")) { return PHP_DISPLAY_ERRORS_STDOUT; } if (zend_string_equals_literal_ci(value, "stderr")) { return PHP_DISPLAY_ERRORS_STDERR; } if (zend_string_equals_literal_ci(value, "stdout")) { return PHP_DISPLAY_ERRORS_STDOUT; } uint8_t mode = ZEND_ATOL(ZSTR_VAL(value)); if (mode && mode != PHP_DISPLAY_ERRORS_STDOUT && mode != PHP_DISPLAY_ERRORS_STDERR) { return PHP_DISPLAY_ERRORS_STDOUT; } return mode; } /* }}} */ /* {{{ PHP_INI_MH */ static PHP_INI_MH(OnUpdateDisplayErrors) { PG(display_errors) = php_get_display_errors_mode(new_value); return SUCCESS; } /* }}} */ /* {{{ PHP_INI_DISP */ static PHP_INI_DISP(display_errors_mode) { uint8_t mode; bool cgi_or_cli; zend_string *temporary_value; if (type == ZEND_INI_DISPLAY_ORIG && ini_entry->modified) { temporary_value = (ini_entry->orig_value ? ini_entry->orig_value : NULL ); } else if (ini_entry->value) { temporary_value = ini_entry->value; } else { temporary_value = NULL; } mode = php_get_display_errors_mode(temporary_value); /* Display 'On' for other SAPIs instead of STDOUT or STDERR */ cgi_or_cli = (!strcmp(sapi_module.name, "cli") || !strcmp(sapi_module.name, "cgi") || !strcmp(sapi_module.name, "phpdbg")); switch (mode) { case PHP_DISPLAY_ERRORS_STDERR: if (cgi_or_cli ) { PUTS("STDERR"); } else { PUTS("On"); } break; case PHP_DISPLAY_ERRORS_STDOUT: if (cgi_or_cli ) { PUTS("STDOUT"); } else { PUTS("On"); } break; default: PUTS("Off"); break; } } /* }}} */ PHPAPI const char *php_get_internal_encoding(void) { if (PG(internal_encoding) && PG(internal_encoding)[0]) { return PG(internal_encoding); } else if (SG(default_charset) && SG(default_charset)[0]) { return SG(default_charset); } return "UTF-8"; } PHPAPI const char *php_get_input_encoding(void) { if (PG(input_encoding) && PG(input_encoding)[0]) { return PG(input_encoding); } else if (SG(default_charset) && SG(default_charset)[0]) { return SG(default_charset); } return "UTF-8"; } PHPAPI const char *php_get_output_encoding(void) { if (PG(output_encoding) && PG(output_encoding)[0]) { return PG(output_encoding); } else if (SG(default_charset) && SG(default_charset)[0]) { return SG(default_charset); } return "UTF-8"; } PHPAPI void (*php_internal_encoding_changed)(void) = NULL; /* {{{ PHP_INI_MH */ static PHP_INI_MH(OnUpdateDefaultCharset) { if (memchr(ZSTR_VAL(new_value), '\0', ZSTR_LEN(new_value)) || strpbrk(ZSTR_VAL(new_value), "\r\n")) { return FAILURE; } OnUpdateString(entry, new_value, mh_arg1, mh_arg2, mh_arg3, stage); if (php_internal_encoding_changed) { php_internal_encoding_changed(); } if (new_value) { #ifdef PHP_WIN32 php_win32_cp_do_update(ZSTR_VAL(new_value)); #endif } return SUCCESS; } /* }}} */ /* {{{ PHP_INI_MH */ static PHP_INI_MH(OnUpdateDefaultMimeTye) { if (memchr(ZSTR_VAL(new_value), '\0', ZSTR_LEN(new_value)) || strpbrk(ZSTR_VAL(new_value), "\r\n")) { return FAILURE; } return OnUpdateString(entry, new_value, mh_arg1, mh_arg2, mh_arg3, stage); } /* }}} */ /* {{{ PHP_INI_MH */ static PHP_INI_MH(OnUpdateInternalEncoding) { OnUpdateString(entry, new_value, mh_arg1, mh_arg2, mh_arg3, stage); if (php_internal_encoding_changed) { php_internal_encoding_changed(); } if (new_value) { #ifdef PHP_WIN32 php_win32_cp_do_update(ZSTR_VAL(new_value)); #endif } return SUCCESS; } /* }}} */ /* {{{ PHP_INI_MH */ static PHP_INI_MH(OnUpdateInputEncoding) { OnUpdateString(entry, new_value, mh_arg1, mh_arg2, mh_arg3, stage); if (php_internal_encoding_changed) { php_internal_encoding_changed(); } if (new_value) { #ifdef PHP_WIN32 php_win32_cp_do_update(NULL); #endif } return SUCCESS; } /* }}} */ /* {{{ PHP_INI_MH */ static PHP_INI_MH(OnUpdateOutputEncoding) { OnUpdateString(entry, new_value, mh_arg1, mh_arg2, mh_arg3, stage); if (php_internal_encoding_changed) { php_internal_encoding_changed(); } if (new_value) { #ifdef PHP_WIN32 php_win32_cp_do_update(NULL); #endif } return SUCCESS; } /* }}} */ /* {{{ PHP_INI_MH */ static PHP_INI_MH(OnUpdateErrorLog) { /* Only do the safemode/open_basedir check at runtime */ if ((stage == PHP_INI_STAGE_RUNTIME || stage == PHP_INI_STAGE_HTACCESS) && new_value && zend_string_equals_literal(new_value, "syslog")) { if (PG(open_basedir) && php_check_open_basedir(ZSTR_VAL(new_value))) { return FAILURE; } } OnUpdateString(entry, new_value, mh_arg1, mh_arg2, mh_arg3, stage); return SUCCESS; } /* }}} */ /* {{{ PHP_INI_MH */ static PHP_INI_MH(OnUpdateMailLog) { /* Only do the safemode/open_basedir check at runtime */ if ((stage == PHP_INI_STAGE_RUNTIME || stage == PHP_INI_STAGE_HTACCESS) && new_value) { if (PG(open_basedir) && php_check_open_basedir(ZSTR_VAL(new_value))) { return FAILURE; } } OnUpdateString(entry, new_value, mh_arg1, mh_arg2, mh_arg3, stage); return SUCCESS; } /* }}} */ /* {{{ PHP_INI_MH */ static PHP_INI_MH(OnChangeMailForceExtra) { /* Don't allow changing it in htaccess */ if (stage == PHP_INI_STAGE_HTACCESS) { return FAILURE; } return SUCCESS; } /* }}} */ /* defined in browscap.c */ PHP_INI_MH(OnChangeBrowscap); /* Need to be read from the environment (?): * PHP_AUTO_PREPEND_FILE * PHP_AUTO_APPEND_FILE * PHP_DOCUMENT_ROOT * PHP_USER_DIR * PHP_INCLUDE_PATH */ /* Windows use the internal mail */ #if defined(PHP_WIN32) # define DEFAULT_SENDMAIL_PATH NULL #else # define DEFAULT_SENDMAIL_PATH PHP_PROG_SENDMAIL " -t -i" #endif /* {{{ PHP_INI */ PHP_INI_BEGIN() PHP_INI_ENTRY_EX("highlight.comment", HL_COMMENT_COLOR, PHP_INI_ALL, NULL, php_ini_color_displayer_cb) PHP_INI_ENTRY_EX("highlight.default", HL_DEFAULT_COLOR, PHP_INI_ALL, NULL, php_ini_color_displayer_cb) PHP_INI_ENTRY_EX("highlight.html", HL_HTML_COLOR, PHP_INI_ALL, NULL, php_ini_color_displayer_cb) PHP_INI_ENTRY_EX("highlight.keyword", HL_KEYWORD_COLOR, PHP_INI_ALL, NULL, php_ini_color_displayer_cb) PHP_INI_ENTRY_EX("highlight.string", HL_STRING_COLOR, PHP_INI_ALL, NULL, php_ini_color_displayer_cb) STD_PHP_INI_ENTRY_EX("display_errors", "1", PHP_INI_ALL, OnUpdateDisplayErrors, display_errors, php_core_globals, core_globals, display_errors_mode) STD_PHP_INI_BOOLEAN("display_startup_errors", "1", PHP_INI_ALL, OnUpdateBool, display_startup_errors, php_core_globals, core_globals) STD_PHP_INI_BOOLEAN("enable_dl", "1", PHP_INI_SYSTEM, OnUpdateBool, enable_dl, php_core_globals, core_globals) STD_PHP_INI_BOOLEAN("expose_php", "1", PHP_INI_SYSTEM, OnUpdateBool, expose_php, php_core_globals, core_globals) STD_PHP_INI_ENTRY("docref_root", "", PHP_INI_ALL, OnUpdateString, docref_root, php_core_globals, core_globals) STD_PHP_INI_ENTRY("docref_ext", "", PHP_INI_ALL, OnUpdateString, docref_ext, php_core_globals, core_globals) STD_PHP_INI_BOOLEAN("html_errors", "1", PHP_INI_ALL, OnUpdateBool, html_errors, php_core_globals, core_globals) STD_PHP_INI_BOOLEAN("xmlrpc_errors", "0", PHP_INI_SYSTEM, OnUpdateBool, xmlrpc_errors, php_core_globals, core_globals) STD_PHP_INI_ENTRY("xmlrpc_error_number", "0", PHP_INI_ALL, OnUpdateLong, xmlrpc_error_number, php_core_globals, core_globals) STD_PHP_INI_ENTRY("max_input_time", "-1", PHP_INI_SYSTEM|PHP_INI_PERDIR, OnUpdateLong, max_input_time, php_core_globals, core_globals) STD_PHP_INI_BOOLEAN("ignore_user_abort", "0", PHP_INI_ALL, OnUpdateBool, ignore_user_abort, php_core_globals, core_globals) STD_PHP_INI_BOOLEAN("implicit_flush", "0", PHP_INI_ALL, OnUpdateBool, implicit_flush, php_core_globals, core_globals) STD_PHP_INI_BOOLEAN("log_errors", "0", PHP_INI_ALL, OnUpdateBool, log_errors, php_core_globals, core_globals) STD_PHP_INI_BOOLEAN("ignore_repeated_errors", "0", PHP_INI_ALL, OnUpdateBool, ignore_repeated_errors, php_core_globals, core_globals) STD_PHP_INI_BOOLEAN("ignore_repeated_source", "0", PHP_INI_ALL, OnUpdateBool, ignore_repeated_source, php_core_globals, core_globals) STD_PHP_INI_BOOLEAN("report_memleaks", "1", PHP_INI_ALL, OnUpdateBool, report_memleaks, php_core_globals, core_globals) STD_PHP_INI_BOOLEAN("report_zend_debug", "0", PHP_INI_ALL, OnUpdateBool, report_zend_debug, php_core_globals, core_globals) STD_PHP_INI_ENTRY("output_buffering", "0", PHP_INI_PERDIR|PHP_INI_SYSTEM, OnUpdateLong, output_buffering, php_core_globals, core_globals) STD_PHP_INI_ENTRY("output_handler", NULL, PHP_INI_PERDIR|PHP_INI_SYSTEM, OnUpdateString, output_handler, php_core_globals, core_globals) STD_PHP_INI_BOOLEAN("register_argc_argv", "1", PHP_INI_PERDIR|PHP_INI_SYSTEM, OnUpdateBool, register_argc_argv, php_core_globals, core_globals) STD_PHP_INI_BOOLEAN("auto_globals_jit", "1", PHP_INI_PERDIR|PHP_INI_SYSTEM, OnUpdateBool, auto_globals_jit, php_core_globals, core_globals) STD_PHP_INI_BOOLEAN("short_open_tag", DEFAULT_SHORT_OPEN_TAG, PHP_INI_SYSTEM|PHP_INI_PERDIR, OnUpdateBool, short_tags, zend_compiler_globals, compiler_globals) STD_PHP_INI_ENTRY("unserialize_callback_func", NULL, PHP_INI_ALL, OnUpdateString, unserialize_callback_func, php_core_globals, core_globals) STD_PHP_INI_ENTRY("serialize_precision", "-1", PHP_INI_ALL, OnSetSerializePrecision, serialize_precision, php_core_globals, core_globals) STD_PHP_INI_ENTRY("arg_separator.output", "&", PHP_INI_ALL, OnUpdateStringUnempty, arg_separator.output, php_core_globals, core_globals) STD_PHP_INI_ENTRY("arg_separator.input", "&", PHP_INI_SYSTEM|PHP_INI_PERDIR, OnUpdateStringUnempty, arg_separator.input, php_core_globals, core_globals) STD_PHP_INI_ENTRY("auto_append_file", NULL, PHP_INI_SYSTEM|PHP_INI_PERDIR, OnUpdateString, auto_append_file, php_core_globals, core_globals) STD_PHP_INI_ENTRY("auto_prepend_file", NULL, PHP_INI_SYSTEM|PHP_INI_PERDIR, OnUpdateString, auto_prepend_file, php_core_globals, core_globals) STD_PHP_INI_ENTRY("doc_root", NULL, PHP_INI_SYSTEM, OnUpdateStringUnempty, doc_root, php_core_globals, core_globals) STD_PHP_INI_ENTRY("default_charset", PHP_DEFAULT_CHARSET, PHP_INI_ALL, OnUpdateDefaultCharset, default_charset, sapi_globals_struct, sapi_globals) STD_PHP_INI_ENTRY("default_mimetype", SAPI_DEFAULT_MIMETYPE, PHP_INI_ALL, OnUpdateDefaultMimeTye, default_mimetype, sapi_globals_struct, sapi_globals) STD_PHP_INI_ENTRY("internal_encoding", NULL, PHP_INI_ALL, OnUpdateInternalEncoding, internal_encoding, php_core_globals, core_globals) STD_PHP_INI_ENTRY("input_encoding", NULL, PHP_INI_ALL, OnUpdateInputEncoding, input_encoding, php_core_globals, core_globals) STD_PHP_INI_ENTRY("output_encoding", NULL, PHP_INI_ALL, OnUpdateOutputEncoding, output_encoding, php_core_globals, core_globals) STD_PHP_INI_ENTRY("error_log", NULL, PHP_INI_ALL, OnUpdateErrorLog, error_log, php_core_globals, core_globals) STD_PHP_INI_ENTRY("error_log_mode", "0644", PHP_INI_ALL, OnUpdateLong, error_log_mode, php_core_globals, core_globals) STD_PHP_INI_ENTRY("extension_dir", PHP_EXTENSION_DIR, PHP_INI_SYSTEM, OnUpdateStringUnempty, extension_dir, php_core_globals, core_globals) STD_PHP_INI_ENTRY("sys_temp_dir", NULL, PHP_INI_SYSTEM, OnUpdateStringUnempty, sys_temp_dir, php_core_globals, core_globals) STD_PHP_INI_ENTRY("include_path", PHP_INCLUDE_PATH, PHP_INI_ALL, OnUpdateStringUnempty, include_path, php_core_globals, core_globals) PHP_INI_ENTRY("max_execution_time", "30", PHP_INI_ALL, OnUpdateTimeout) STD_PHP_INI_ENTRY("open_basedir", NULL, PHP_INI_ALL, OnUpdateBaseDir, open_basedir, php_core_globals, core_globals) STD_PHP_INI_BOOLEAN("file_uploads", "1", PHP_INI_SYSTEM, OnUpdateBool, file_uploads, php_core_globals, core_globals) STD_PHP_INI_ENTRY("upload_max_filesize", "2M", PHP_INI_SYSTEM|PHP_INI_PERDIR, OnUpdateLong, upload_max_filesize, php_core_globals, core_globals) STD_PHP_INI_ENTRY("post_max_size", "8M", PHP_INI_SYSTEM|PHP_INI_PERDIR, OnUpdateLong, post_max_size, sapi_globals_struct,sapi_globals) STD_PHP_INI_ENTRY("upload_tmp_dir", NULL, PHP_INI_SYSTEM, OnUpdateStringUnempty, upload_tmp_dir, php_core_globals, core_globals) STD_PHP_INI_ENTRY("max_input_nesting_level", "64", PHP_INI_SYSTEM|PHP_INI_PERDIR, OnUpdateLongGEZero, max_input_nesting_level, php_core_globals, core_globals) STD_PHP_INI_ENTRY("max_input_vars", "1000", PHP_INI_SYSTEM|PHP_INI_PERDIR, OnUpdateLongGEZero, max_input_vars, php_core_globals, core_globals) STD_PHP_INI_ENTRY("user_dir", NULL, PHP_INI_SYSTEM, OnUpdateString, user_dir, php_core_globals, core_globals) STD_PHP_INI_ENTRY("variables_order", "EGPCS", PHP_INI_SYSTEM|PHP_INI_PERDIR, OnUpdateStringUnempty, variables_order, php_core_globals, core_globals) STD_PHP_INI_ENTRY("request_order", NULL, PHP_INI_SYSTEM|PHP_INI_PERDIR, OnUpdateString, request_order, php_core_globals, core_globals) STD_PHP_INI_ENTRY("error_append_string", NULL, PHP_INI_ALL, OnUpdateString, error_append_string, php_core_globals, core_globals) STD_PHP_INI_ENTRY("error_prepend_string", NULL, PHP_INI_ALL, OnUpdateString, error_prepend_string, php_core_globals, core_globals) PHP_INI_ENTRY("SMTP", "localhost",PHP_INI_ALL, NULL) PHP_INI_ENTRY("smtp_port", "25", PHP_INI_ALL, NULL) STD_PHP_INI_BOOLEAN("mail.add_x_header", "0", PHP_INI_SYSTEM|PHP_INI_PERDIR, OnUpdateBool, mail_x_header, php_core_globals, core_globals) STD_PHP_INI_BOOLEAN("mail.mixed_lf_and_crlf", "0", PHP_INI_SYSTEM|PHP_INI_PERDIR, OnUpdateBool, mail_mixed_lf_and_crlf, php_core_globals, core_globals) STD_PHP_INI_ENTRY("mail.log", NULL, PHP_INI_SYSTEM|PHP_INI_PERDIR, OnUpdateMailLog, mail_log, php_core_globals, core_globals) PHP_INI_ENTRY("browscap", NULL, PHP_INI_SYSTEM, OnChangeBrowscap) PHP_INI_ENTRY("memory_limit", "128M", PHP_INI_ALL, OnChangeMemoryLimit) PHP_INI_ENTRY("precision", "14", PHP_INI_ALL, OnSetPrecision) PHP_INI_ENTRY("sendmail_from", NULL, PHP_INI_ALL, NULL) PHP_INI_ENTRY("sendmail_path", DEFAULT_SENDMAIL_PATH, PHP_INI_SYSTEM, NULL) PHP_INI_ENTRY("mail.force_extra_parameters",NULL, PHP_INI_SYSTEM|PHP_INI_PERDIR, OnChangeMailForceExtra) PHP_INI_ENTRY("disable_functions", "", PHP_INI_SYSTEM, NULL) PHP_INI_ENTRY("disable_classes", "", PHP_INI_SYSTEM, NULL) PHP_INI_ENTRY("max_file_uploads", "20", PHP_INI_SYSTEM|PHP_INI_PERDIR, NULL) PHP_INI_ENTRY("max_multipart_body_parts", "-1", PHP_INI_SYSTEM|PHP_INI_PERDIR, NULL) STD_PHP_INI_BOOLEAN("allow_url_fopen", "1", PHP_INI_SYSTEM, OnUpdateBool, allow_url_fopen, php_core_globals, core_globals) STD_PHP_INI_BOOLEAN("allow_url_include", "0", PHP_INI_SYSTEM, OnUpdateBool, allow_url_include, php_core_globals, core_globals) STD_PHP_INI_BOOLEAN("enable_post_data_reading", "1", PHP_INI_SYSTEM|PHP_INI_PERDIR, OnUpdateBool, enable_post_data_reading, php_core_globals, core_globals) STD_PHP_INI_ENTRY("realpath_cache_size", "4096K", PHP_INI_SYSTEM, OnUpdateLong, realpath_cache_size_limit, virtual_cwd_globals, cwd_globals) STD_PHP_INI_ENTRY("realpath_cache_ttl", "120", PHP_INI_SYSTEM, OnUpdateLong, realpath_cache_ttl, virtual_cwd_globals, cwd_globals) STD_PHP_INI_ENTRY("user_ini.filename", ".user.ini", PHP_INI_SYSTEM, OnUpdateString, user_ini_filename, php_core_globals, core_globals) STD_PHP_INI_ENTRY("user_ini.cache_ttl", "300", PHP_INI_SYSTEM, OnUpdateLong, user_ini_cache_ttl, php_core_globals, core_globals) STD_PHP_INI_ENTRY("hard_timeout", "2", PHP_INI_SYSTEM, OnUpdateLong, hard_timeout, zend_executor_globals, executor_globals) #ifdef PHP_WIN32 STD_PHP_INI_BOOLEAN("windows.show_crt_warning", "0", PHP_INI_ALL, OnUpdateBool, windows_show_crt_warning, php_core_globals, core_globals) #endif STD_PHP_INI_ENTRY("syslog.facility", "LOG_USER", PHP_INI_SYSTEM, OnSetFacility, syslog_facility, php_core_globals, core_globals) STD_PHP_INI_ENTRY("syslog.ident", "php", PHP_INI_SYSTEM, OnUpdateString, syslog_ident, php_core_globals, core_globals) STD_PHP_INI_ENTRY("syslog.filter", "no-ctrl", PHP_INI_ALL, OnSetLogFilter, syslog_filter, php_core_globals, core_globals) PHP_INI_END() /* }}} */ /* True globals (no need for thread safety */ /* But don't make them a single int bitfield */ static bool module_initialized = false; static bool module_startup = true; static bool module_shutdown = false; /* {{{ php_during_module_startup */ PHPAPI bool php_during_module_startup(void) { return module_startup; } /* }}} */ /* {{{ php_during_module_shutdown */ PHPAPI bool php_during_module_shutdown(void) { return module_shutdown; } /* }}} */ /* {{{ php_get_module_initialized */ PHPAPI bool php_get_module_initialized(void) { return module_initialized; } /* }}} */ /* {{{ php_log_err_with_severity */ PHPAPI ZEND_COLD void php_log_err_with_severity(const char *log_message, int syslog_type_int) { int fd = -1; time_t error_time; if (PG(in_error_log)) { /* prevent recursive invocation */ return; } PG(in_error_log) = 1; /* Try to use the specified logging location. */ if (PG(error_log) != NULL) { int error_log_mode; #ifdef HAVE_SYSLOG_H if (!strcmp(PG(error_log), "syslog")) { php_syslog(syslog_type_int, "%s", log_message); PG(in_error_log) = 0; return; } #endif error_log_mode = 0644; if (PG(error_log_mode) > 0 && PG(error_log_mode) <= 0777) { error_log_mode = PG(error_log_mode); } fd = VCWD_OPEN_MODE(PG(error_log), O_CREAT | O_APPEND | O_WRONLY, error_log_mode); if (fd != -1) { char *tmp; size_t len; zend_string *error_time_str; time(&error_time); #ifdef ZTS if (!php_during_module_startup()) { error_time_str = php_format_date("d-M-Y H:i:s e", 13, error_time, 1); } else { error_time_str = php_format_date("d-M-Y H:i:s e", 13, error_time, 0); } #else error_time_str = php_format_date("d-M-Y H:i:s e", 13, error_time, 1); #endif len = spprintf(&tmp, 0, "[%s] %s%s", ZSTR_VAL(error_time_str), log_message, PHP_EOL); #ifdef PHP_WIN32 php_flock(fd, LOCK_EX); /* XXX should eventually write in a loop if len > UINT_MAX */ php_ignore_value(write(fd, tmp, (unsigned)len)); php_flock(fd, LOCK_UN); #else php_ignore_value(write(fd, tmp, len)); #endif efree(tmp); zend_string_free(error_time_str); close(fd); PG(in_error_log) = 0; return; } } /* Otherwise fall back to the default logging location, if we have one */ if (sapi_module.log_message) { sapi_module.log_message(log_message, syslog_type_int); } PG(in_error_log) = 0; } /* }}} */ /* {{{ php_write wrapper for modules to use PHPWRITE */ PHPAPI size_t php_write(void *buf, size_t size) { return PHPWRITE(buf, size); } /* }}} */ /* {{{ php_printf */ PHPAPI size_t php_printf(const char *format, ...) { va_list args; size_t ret; char *buffer; size_t size; va_start(args, format); size = vspprintf(&buffer, 0, format, args); ret = PHPWRITE(buffer, size); efree(buffer); va_end(args); return ret; } /* }}} */ /* {{{ php_printf_unchecked */ PHPAPI size_t php_printf_unchecked(const char *format, ...) { va_list args; size_t ret; char *buffer; size_t size; va_start(args, format); size = vspprintf(&buffer, 0, format, args); ret = PHPWRITE(buffer, size); efree(buffer); va_end(args); return ret; } /* }}} */ static zend_string *escape_html(const char *buffer, size_t buffer_len) { zend_string *result = php_escape_html_entities_ex( (const unsigned char *) buffer, buffer_len, 0, ENT_COMPAT, /* charset_hint */ NULL, /* double_encode */ 1, /* quiet */ 1); if (!result || ZSTR_LEN(result) == 0) { /* Retry with substituting invalid chars on fail. */ result = php_escape_html_entities_ex( (const unsigned char *) buffer, buffer_len, 0, ENT_COMPAT | ENT_HTML_SUBSTITUTE_ERRORS, /* charset_hint */ NULL, /* double_encode */ 1, /* quiet */ 1); } return result; } /* {{{ php_verror */ /* php_verror is called from php_error_docref functions. * Its purpose is to unify error messages and automatically generate clickable * html error messages if corresponding ini setting (html_errors) is activated. * See: CODING_STANDARDS.md for details. */ PHPAPI ZEND_COLD void php_verror(const char *docref, const char *params, int type, const char *format, va_list args) { zend_string *replace_buffer = NULL, *replace_origin = NULL; char *buffer = NULL, *docref_buf = NULL, *target = NULL; char *docref_target = "", *docref_root = ""; char *p; int buffer_len = 0; const char *space = ""; const char *class_name = ""; const char *function; int origin_len; char *origin; zend_string *message; int is_function = 0; /* get error text into buffer and escape for html if necessary */ buffer_len = (int)vspprintf(&buffer, 0, format, args); if (PG(html_errors)) { replace_buffer = escape_html(buffer, buffer_len); efree(buffer); if (replace_buffer) { buffer = ZSTR_VAL(replace_buffer); buffer_len = (int)ZSTR_LEN(replace_buffer); } else { buffer = ""; buffer_len = 0; } } /* which function caused the problem if any at all */ if (php_during_module_startup()) { function = "PHP Startup"; } else if (php_during_module_shutdown()) { function = "PHP Shutdown"; } else if (PG(during_request_startup)) { function = "PHP Request Startup"; } else if (EG(current_execute_data) && EG(current_execute_data)->func && ZEND_USER_CODE(EG(current_execute_data)->func->common.type) && EG(current_execute_data)->opline && EG(current_execute_data)->opline->opcode == ZEND_INCLUDE_OR_EVAL ) { switch (EG(current_execute_data)->opline->extended_value) { case ZEND_EVAL: function = "eval"; is_function = 1; break; case ZEND_INCLUDE: function = "include"; is_function = 1; break; case ZEND_INCLUDE_ONCE: function = "include_once"; is_function = 1; break; case ZEND_REQUIRE: function = "require"; is_function = 1; break; case ZEND_REQUIRE_ONCE: function = "require_once"; is_function = 1; break; default: function = "Unknown"; } } else if ((function = get_active_function_name()) && strlen(function)) { is_function = 1; class_name = get_active_class_name(&space); } else if (EG(flags) & EG_FLAGS_IN_SHUTDOWN) { function = "PHP Request Shutdown"; } else { function = "Unknown"; } /* if we still have memory then format the origin */ if (is_function) { origin_len = (int)spprintf(&origin, 0, "%s%s%s(%s)", class_name, space, function, params); } else { origin_len = (int)spprintf(&origin, 0, "%s", function); } if (PG(html_errors)) { replace_origin = escape_html(origin, origin_len); efree(origin); origin = ZSTR_VAL(replace_origin); } /* origin and buffer available, so let's come up with the error message */ if (docref && docref[0] == '#') { docref_target = strchr(docref, '#'); docref = NULL; } /* no docref given but function is known (the default) */ if (!docref && is_function) { int doclen; while (*function == '_') { function++; } if (space[0] == '\0') { doclen = (int)spprintf(&docref_buf, 0, "function.%s", function); } else { doclen = (int)spprintf(&docref_buf, 0, "%s.%s", class_name, function); } while((p = strchr(docref_buf, '_')) != NULL) { *p = '-'; } zend_str_tolower(docref_buf, doclen); docref = docref_buf; } /* we have a docref for a function AND * - we show errors in html mode AND * - the user wants to see the links */ if (docref && is_function && PG(html_errors) && strlen(PG(docref_root))) { if (strncmp(docref, "http://", 7)) { /* We don't have 'http://' so we use docref_root */ char *ref; /* temp copy for duplicated docref */ docref_root = PG(docref_root); ref = estrdup(docref); if (docref_buf) { efree(docref_buf); } docref_buf = ref; /* strip of the target if any */ p = strrchr(ref, '#'); if (p) { target = estrdup(p); if (target) { docref_target = target; *p = '\0'; } } /* add the extension if it is set in ini */ if (PG(docref_ext) && strlen(PG(docref_ext))) { spprintf(&docref_buf, 0, "%s%s", ref, PG(docref_ext)); efree(ref); } docref = docref_buf; } /* display html formatted or only show the additional links */ if (PG(html_errors)) { message = zend_strpprintf(0, "%s [%s]: %s", origin, docref_root, docref, docref_target, docref, buffer); } else { message = zend_strpprintf(0, "%s [%s%s%s]: %s", origin, docref_root, docref, docref_target, buffer); } if (target) { efree(target); } } else { message = zend_strpprintf(0, "%s: %s", origin, buffer); } if (replace_origin) { zend_string_free(replace_origin); } else { efree(origin); } if (docref_buf) { efree(docref_buf); } if (replace_buffer) { zend_string_free(replace_buffer); } else { efree(buffer); } zend_error_zstr(type, message); zend_string_release(message); } /* }}} */ /* {{{ php_error_docref */ /* Generate an error which links to docref or the php.net documentation if docref is NULL */ PHPAPI ZEND_COLD void php_error_docref(const char *docref, int type, const char *format, ...) { va_list args; va_start(args, format); php_verror(docref, "", type, format, args); va_end(args); } /* }}} */ /* {{{ php_error_docref1 */ /* See: CODING_STANDARDS.md for details. */ PHPAPI ZEND_COLD void php_error_docref1(const char *docref, const char *param1, int type, const char *format, ...) { va_list args; va_start(args, format); php_verror(docref, param1, type, format, args); va_end(args); } /* }}} */ /* {{{ php_error_docref2 */ /* See: CODING_STANDARDS.md for details. */ PHPAPI ZEND_COLD void php_error_docref2(const char *docref, const char *param1, const char *param2, int type, const char *format, ...) { char *params; va_list args; spprintf(¶ms, 0, "%s,%s", param1, param2); va_start(args, format); php_verror(docref, params ? params : "...", type, format, args); va_end(args); if (params) { efree(params); } } /* }}} */ #ifdef PHP_WIN32 PHPAPI ZEND_COLD void php_win32_docref1_from_error(DWORD error, const char *param1) { char *buf = php_win32_error_to_msg(error); size_t buf_len; buf_len = strlen(buf); if (buf_len >= 2) { buf[buf_len - 1] = '\0'; buf[buf_len - 2] = '\0'; } php_error_docref1(NULL, param1, E_WARNING, "%s (code: %lu)", buf, error); php_win32_error_msg_free(buf); } PHPAPI ZEND_COLD void php_win32_docref2_from_error(DWORD error, const char *param1, const char *param2) { char *buf = php_win32_error_to_msg(error); php_error_docref2(NULL, param1, param2, E_WARNING, "%s (code: %lu)", buf, error); php_win32_error_msg_free(buf); } #endif /* {{{ php_html_puts */ PHPAPI void php_html_puts(const char *str, size_t size) { zend_html_puts(str, size); } /* }}} */ static void clear_last_error(void) { if (PG(last_error_message)) { zend_string_release(PG(last_error_message)); PG(last_error_message) = NULL; } if (PG(last_error_file)) { zend_string_release(PG(last_error_file)); PG(last_error_file) = NULL; } } #if ZEND_DEBUG /* {{{ report_zend_debug_error_notify_cb */ static void report_zend_debug_error_notify_cb(int type, zend_string *error_filename, uint32_t error_lineno, zend_string *message) { if (PG(report_zend_debug)) { bool trigger_break; switch (type) { case E_ERROR: case E_CORE_ERROR: case E_COMPILE_ERROR: case E_USER_ERROR: trigger_break=1; break; default: trigger_break=0; break; } zend_output_debug_string(trigger_break, "%s(%" PRIu32 ") : %s", ZSTR_VAL(error_filename), error_lineno, ZSTR_VAL(message)); } } /* }}} */ #endif /* {{{ php_error_cb extended error handling function */ static ZEND_COLD void php_error_cb(int orig_type, zend_string *error_filename, const uint32_t error_lineno, zend_string *message) { bool display; int type = orig_type & E_ALL; /* check for repeated errors to be ignored */ if (PG(ignore_repeated_errors) && PG(last_error_message)) { /* no check for PG(last_error_file) is needed since it cannot * be NULL if PG(last_error_message) is not NULL */ if (!zend_string_equals(PG(last_error_message), message) || (!PG(ignore_repeated_source) && ((PG(last_error_lineno) != (int)error_lineno) || !zend_string_equals(PG(last_error_file), error_filename)))) { display = 1; } else { display = 0; } } else { display = 1; } /* according to error handling mode, throw exception or show it */ if (EG(error_handling) == EH_THROW) { switch (type) { case E_WARNING: case E_CORE_WARNING: case E_COMPILE_WARNING: case E_USER_WARNING: /* throw an exception if we are in EH_THROW mode and the type is warning. * fatal errors are real errors and cannot be made exceptions. * exclude deprecated for the sake of BC to old damaged code. * notices are no errors and are not treated as such like E_WARNINGS. * DO NOT overwrite a pending exception. */ if (!EG(exception)) { zend_throw_error_exception(EG(exception_class), message, 0, type); } return; default: break; } } /* store the error if it has changed */ if (display) { clear_last_error(); if (!error_filename) { error_filename = ZSTR_KNOWN(ZEND_STR_UNKNOWN_CAPITALIZED); } PG(last_error_type) = type; PG(last_error_message) = zend_string_copy(message); PG(last_error_file) = zend_string_copy(error_filename); PG(last_error_lineno) = error_lineno; } if (zend_alloc_in_memory_limit_error_reporting()) { php_output_discard_all(); } /* display/log the error if necessary */ if (display && ((EG(error_reporting) & type) || (type & E_CORE)) && (PG(log_errors) || PG(display_errors) || (!module_initialized))) { char *error_type_str; int syslog_type_int = LOG_NOTICE; switch (type) { case E_ERROR: case E_CORE_ERROR: case E_COMPILE_ERROR: case E_USER_ERROR: error_type_str = "Fatal error"; syslog_type_int = LOG_ERR; break; case E_RECOVERABLE_ERROR: error_type_str = "Recoverable fatal error"; syslog_type_int = LOG_ERR; break; case E_WARNING: case E_CORE_WARNING: case E_COMPILE_WARNING: case E_USER_WARNING: error_type_str = "Warning"; syslog_type_int = LOG_WARNING; break; case E_PARSE: error_type_str = "Parse error"; syslog_type_int = LOG_ERR; break; case E_NOTICE: case E_USER_NOTICE: error_type_str = "Notice"; syslog_type_int = LOG_NOTICE; break; case E_STRICT: error_type_str = "Strict Standards"; syslog_type_int = LOG_INFO; break; case E_DEPRECATED: case E_USER_DEPRECATED: error_type_str = "Deprecated"; syslog_type_int = LOG_INFO; break; default: error_type_str = "Unknown error"; break; } if (PG(log_errors) || (!module_initialized && (!PG(display_startup_errors) || !PG(display_errors)))) { char *log_buffer; #ifdef PHP_WIN32 if (type == E_CORE_ERROR || type == E_CORE_WARNING) { syslog(LOG_ALERT, "PHP %s: %s (%s)", error_type_str, ZSTR_VAL(message), GetCommandLine()); } #endif spprintf(&log_buffer, 0, "PHP %s: %s in %s on line %" PRIu32, error_type_str, ZSTR_VAL(message), ZSTR_VAL(error_filename), error_lineno); php_log_err_with_severity(log_buffer, syslog_type_int); efree(log_buffer); } if (PG(display_errors) && ((module_initialized && !PG(during_request_startup)) || (PG(display_startup_errors)))) { if (PG(xmlrpc_errors)) { php_printf("faultCode" ZEND_LONG_FMT "faultString%s:%s in %s on line %" PRIu32 "", PG(xmlrpc_error_number), error_type_str, ZSTR_VAL(message), ZSTR_VAL(error_filename), error_lineno); } else { char *prepend_string = INI_STR("error_prepend_string"); char *append_string = INI_STR("error_append_string"); if (PG(html_errors)) { if (type == E_ERROR || type == E_PARSE) { zend_string *buf = escape_html(ZSTR_VAL(message), ZSTR_LEN(message)); php_printf("%s
\n%s: %s in %s on line %" PRIu32 "
\n%s", STR_PRINT(prepend_string), error_type_str, ZSTR_VAL(buf), ZSTR_VAL(error_filename), error_lineno, STR_PRINT(append_string)); zend_string_free(buf); } else { zval tmp; ZVAL_STR(&tmp, message); php_printf_unchecked("%s
\n%s: %Z in %s on line %" PRIu32 "
\n%s", STR_PRINT(prepend_string), error_type_str, &tmp, ZSTR_VAL(error_filename), error_lineno, STR_PRINT(append_string)); } } else { /* Write CLI/CGI errors to stderr if display_errors = "stderr" */ if ((!strcmp(sapi_module.name, "cli") || !strcmp(sapi_module.name, "cgi") || !strcmp(sapi_module.name, "phpdbg")) && PG(display_errors) == PHP_DISPLAY_ERRORS_STDERR ) { fprintf(stderr, "%s: ", error_type_str); fwrite(ZSTR_VAL(message), sizeof(char), ZSTR_LEN(message), stderr); fprintf(stderr, " in %s on line %" PRIu32 "\n", ZSTR_VAL(error_filename), error_lineno); #ifdef PHP_WIN32 fflush(stderr); #endif } else { zval tmp; ZVAL_STR(&tmp, message); php_printf_unchecked("%s\n%s: %Z in %s on line %" PRIu32 "\n%s", STR_PRINT(prepend_string), error_type_str, &tmp, ZSTR_VAL(error_filename), error_lineno, STR_PRINT(append_string)); } } } } } /* Bail out if we can't recover */ switch (type) { case E_CORE_ERROR: if(!module_initialized) { /* bad error in module startup - no way we can live with this */ exit(-2); } ZEND_FALLTHROUGH; case E_ERROR: case E_RECOVERABLE_ERROR: case E_PARSE: case E_COMPILE_ERROR: case E_USER_ERROR: EG(exit_status) = 255; if (module_initialized) { if (!PG(display_errors) && !SG(headers_sent) && SG(sapi_headers).http_response_code == 200 ) { sapi_header_line ctr = {0}; ctr.line = "HTTP/1.0 500 Internal Server Error"; ctr.line_len = sizeof("HTTP/1.0 500 Internal Server Error") - 1; sapi_header_op(SAPI_HEADER_REPLACE, &ctr); } /* the parser would return 1 (failure), we can bail out nicely */ if (!(orig_type & E_DONT_BAIL)) { /* restore memory limit */ zend_set_memory_limit(PG(memory_limit)); zend_objects_store_mark_destructed(&EG(objects_store)); zend_bailout(); return; } } break; } } /* }}} */ /* {{{ php_get_current_user */ PHPAPI char *php_get_current_user(void) { zend_stat_t *pstat = NULL; if (SG(request_info).current_user) { return SG(request_info).current_user; } /* FIXME: I need to have this somehow handled if USE_SAPI is defined, because cgi will also be interfaced in USE_SAPI */ pstat = sapi_get_stat(); if (!pstat) { return ""; } else { #ifdef PHP_WIN32 char *name = php_win32_get_username(); int len; if (!name) { return ""; } len = (int)strlen(name); name[len] = '\0'; SG(request_info).current_user_length = len; SG(request_info).current_user = estrndup(name, len); free(name); return SG(request_info).current_user; #else struct passwd *pwd; #if defined(ZTS) && defined(HAVE_GETPWUID_R) && defined(_SC_GETPW_R_SIZE_MAX) struct passwd _pw; struct passwd *retpwptr = NULL; int pwbuflen = sysconf(_SC_GETPW_R_SIZE_MAX); char *pwbuf; if (pwbuflen < 1) { return ""; } pwbuf = emalloc(pwbuflen); if (getpwuid_r(pstat->st_uid, &_pw, pwbuf, pwbuflen, &retpwptr) != 0) { efree(pwbuf); return ""; } if (retpwptr == NULL) { efree(pwbuf); return ""; } pwd = &_pw; #else if ((pwd=getpwuid(pstat->st_uid))==NULL) { return ""; } #endif SG(request_info).current_user_length = strlen(pwd->pw_name); SG(request_info).current_user = estrndup(pwd->pw_name, SG(request_info).current_user_length); #if defined(ZTS) && defined(HAVE_GETPWUID_R) && defined(_SC_GETPW_R_SIZE_MAX) efree(pwbuf); #endif return SG(request_info).current_user; #endif } } /* }}} */ /* {{{ Sets the maximum time a script can run */ PHP_FUNCTION(set_time_limit) { zend_long new_timeout; char *new_timeout_str; size_t new_timeout_strlen; zend_string *key; if (zend_parse_parameters(ZEND_NUM_ARGS(), "l", &new_timeout) == FAILURE) { RETURN_THROWS(); } new_timeout_strlen = zend_spprintf(&new_timeout_str, 0, ZEND_LONG_FMT, new_timeout); key = ZSTR_INIT_LITERAL("max_execution_time", 0); if (zend_alter_ini_entry_chars_ex(key, new_timeout_str, new_timeout_strlen, PHP_INI_USER, PHP_INI_STAGE_RUNTIME, 0) == SUCCESS) { RETVAL_TRUE; } else { RETVAL_FALSE; } zend_string_release_ex(key, 0); efree(new_timeout_str); } /* }}} */ /* {{{ php_fopen_wrapper_for_zend */ static FILE *php_fopen_wrapper_for_zend(zend_string *filename, zend_string **opened_path) { *opened_path = filename; return php_stream_open_wrapper_as_file(ZSTR_VAL(filename), "rb", USE_PATH|REPORT_ERRORS|STREAM_OPEN_FOR_INCLUDE|STREAM_OPEN_FOR_ZEND_STREAM, opened_path); } /* }}} */ static void php_zend_stream_closer(void *handle) /* {{{ */ { php_stream_close((php_stream*)handle); } /* }}} */ static size_t php_zend_stream_fsizer(void *handle) /* {{{ */ { php_stream *stream = handle; php_stream_statbuf ssb; /* File size reported by stat() may be inaccurate if stream filters are used. * TODO: Should stat() be generally disabled if filters are used? */ if (stream->readfilters.head) { return 0; } if (php_stream_stat(stream, &ssb) == 0) { return ssb.sb.st_size; } return 0; } /* }}} */ static zend_result php_stream_open_for_zend(zend_file_handle *handle) /* {{{ */ { return php_stream_open_for_zend_ex(handle, USE_PATH|REPORT_ERRORS|STREAM_OPEN_FOR_INCLUDE); } /* }}} */ PHPAPI zend_result php_stream_open_for_zend_ex(zend_file_handle *handle, int mode) /* {{{ */ { zend_string *opened_path; zend_string *filename; php_stream *stream; ZEND_ASSERT(handle->type == ZEND_HANDLE_FILENAME); opened_path = filename = handle->filename; stream = php_stream_open_wrapper((char *)ZSTR_VAL(filename), "rb", mode | STREAM_OPEN_FOR_ZEND_STREAM, &opened_path); if (stream) { memset(handle, 0, sizeof(zend_file_handle)); handle->type = ZEND_HANDLE_STREAM; handle->filename = filename; handle->opened_path = opened_path; handle->handle.stream.handle = stream; handle->handle.stream.reader = (zend_stream_reader_t)_php_stream_read; handle->handle.stream.fsizer = php_zend_stream_fsizer; handle->handle.stream.isatty = 0; handle->handle.stream.closer = php_zend_stream_closer; /* suppress warning if this stream is not explicitly closed */ php_stream_auto_cleanup(stream); /* Disable buffering to avoid double buffering between PHP and Zend streams. */ php_stream_set_option(stream, PHP_STREAM_OPTION_READ_BUFFER, PHP_STREAM_BUFFER_NONE, NULL); return SUCCESS; } return FAILURE; } /* }}} */ static zend_string *php_resolve_path_for_zend(zend_string *filename) /* {{{ */ { return php_resolve_path(ZSTR_VAL(filename), ZSTR_LEN(filename), PG(include_path)); } /* }}} */ /* {{{ php_get_configuration_directive_for_zend */ static zval *php_get_configuration_directive_for_zend(zend_string *name) { return cfg_get_entry_ex(name); } /* }}} */ /* {{{ php_free_request_globals */ static void php_free_request_globals(void) { clear_last_error(); if (PG(php_sys_temp_dir)) { efree(PG(php_sys_temp_dir)); PG(php_sys_temp_dir) = NULL; } EG(filename_override) = NULL; EG(lineno_override) = -1; } /* }}} */ /* {{{ php_message_handler_for_zend */ static ZEND_COLD void php_message_handler_for_zend(zend_long message, const void *data) { switch (message) { case ZMSG_FAILED_INCLUDE_FOPEN: { char *tmp = estrdup((char *) data); php_error_docref("function.include", E_WARNING, "Failed opening '%s' for inclusion (include_path='%s')", php_strip_url_passwd(tmp), STR_PRINT(PG(include_path))); efree(tmp); break; } case ZMSG_FAILED_REQUIRE_FOPEN: { char *tmp = estrdup((char *) data); zend_throw_error(NULL, "Failed opening required '%s' (include_path='%s')", php_strip_url_passwd(tmp), STR_PRINT(PG(include_path))); efree(tmp); break; } case ZMSG_FAILED_HIGHLIGHT_FOPEN: { char *tmp = estrdup((char *) data); php_error_docref(NULL, E_WARNING, "Failed opening '%s' for highlighting", php_strip_url_passwd(tmp)); efree(tmp); break; } case ZMSG_MEMORY_LEAK_DETECTED: case ZMSG_MEMORY_LEAK_REPEATED: #if ZEND_DEBUG if (EG(error_reporting) & E_WARNING) { char memory_leak_buf[1024]; if (message==ZMSG_MEMORY_LEAK_DETECTED) { zend_leak_info *t = (zend_leak_info *) data; snprintf(memory_leak_buf, 512, "%s(%" PRIu32 ") : Freeing " ZEND_ADDR_FMT " (%zu bytes), script=%s\n", t->filename, t->lineno, (size_t)t->addr, t->size, SAFE_FILENAME(SG(request_info).path_translated)); if (t->orig_filename) { char relay_buf[512]; snprintf(relay_buf, 512, "%s(%" PRIu32 ") : Actual location (location was relayed)\n", t->orig_filename, t->orig_lineno); strlcat(memory_leak_buf, relay_buf, sizeof(memory_leak_buf)); } } else { unsigned long leak_count = (uintptr_t) data; snprintf(memory_leak_buf, 512, "Last leak repeated %lu time%s\n", leak_count, (leak_count>1?"s":"")); } # if defined(PHP_WIN32) if (IsDebuggerPresent()) { OutputDebugString(memory_leak_buf); } else { fprintf(stderr, "%s", memory_leak_buf); } # else fprintf(stderr, "%s", memory_leak_buf); # endif } #endif break; case ZMSG_MEMORY_LEAKS_GRAND_TOTAL: #if ZEND_DEBUG if (EG(error_reporting) & E_WARNING) { char memory_leak_buf[512]; snprintf(memory_leak_buf, 512, "=== Total %d memory leaks detected ===\n", *((uint32_t *) data)); # if defined(PHP_WIN32) if (IsDebuggerPresent()) { OutputDebugString(memory_leak_buf); } else { fprintf(stderr, "%s", memory_leak_buf); } # else fprintf(stderr, "%s", memory_leak_buf); # endif } #endif break; case ZMSG_LOG_SCRIPT_NAME: { struct tm *ta, tmbuf; time_t curtime; char *datetime_str, asctimebuf[52]; char memory_leak_buf[4096]; time(&curtime); ta = php_localtime_r(&curtime, &tmbuf); datetime_str = php_asctime_r(ta, asctimebuf); if (datetime_str) { datetime_str[strlen(datetime_str)-1]=0; /* get rid of the trailing newline */ snprintf(memory_leak_buf, sizeof(memory_leak_buf), "[%s] Script: '%s'\n", datetime_str, SAFE_FILENAME(SG(request_info).path_translated)); } else { snprintf(memory_leak_buf, sizeof(memory_leak_buf), "[null] Script: '%s'\n", SAFE_FILENAME(SG(request_info).path_translated)); } # if defined(PHP_WIN32) if (IsDebuggerPresent()) { OutputDebugString(memory_leak_buf); } else { fprintf(stderr, "%s", memory_leak_buf); } # else fprintf(stderr, "%s", memory_leak_buf); # endif } break; } } /* }}} */ void php_on_timeout(int seconds) { PG(connection_status) |= PHP_CONNECTION_TIMEOUT; } #if PHP_SIGCHILD /* {{{ sigchld_handler */ static void sigchld_handler(int apar) { int errno_save = errno; while (waitpid(-1, NULL, WNOHANG) > 0); signal(SIGCHLD, sigchld_handler); errno = errno_save; } /* }}} */ #endif /* {{{ php_request_startup */ zend_result php_request_startup(void) { zend_result retval = SUCCESS; zend_interned_strings_activate(); #ifdef HAVE_DTRACE DTRACE_REQUEST_STARTUP(SAFE_FILENAME(SG(request_info).path_translated), SAFE_FILENAME(SG(request_info).request_uri), (char *)SAFE_FILENAME(SG(request_info).request_method)); #endif /* HAVE_DTRACE */ #ifdef PHP_WIN32 # if defined(ZTS) _configthreadlocale(_ENABLE_PER_THREAD_LOCALE); # endif PG(com_initialized) = 0; #endif #if PHP_SIGCHILD signal(SIGCHLD, sigchld_handler); #endif zend_try { PG(in_error_log) = 0; PG(during_request_startup) = 1; php_output_activate(); /* initialize global variables */ PG(modules_activated) = 0; PG(header_is_being_sent) = 0; PG(connection_status) = PHP_CONNECTION_NORMAL; PG(in_user_include) = 0; zend_activate(); sapi_activate(); #ifdef ZEND_SIGNALS zend_signal_activate(); #endif if (PG(max_input_time) == -1) { zend_set_timeout(EG(timeout_seconds), 1); } else { zend_set_timeout(PG(max_input_time), 1); } /* Disable realpath cache if an open_basedir is set */ if (PG(open_basedir) && *PG(open_basedir)) { CWDG(realpath_cache_size_limit) = 0; } if (PG(expose_php) && !SG(headers_sent)) { sapi_add_header(SAPI_PHP_VERSION_HEADER, sizeof(SAPI_PHP_VERSION_HEADER)-1, 1); } if (PG(output_handler) && PG(output_handler)[0]) { zval oh; ZVAL_STRING(&oh, PG(output_handler)); php_output_start_user(&oh, 0, PHP_OUTPUT_HANDLER_STDFLAGS); zval_ptr_dtor(&oh); } else if (PG(output_buffering)) { php_output_start_user(NULL, PG(output_buffering) > 1 ? PG(output_buffering) : 0, PHP_OUTPUT_HANDLER_STDFLAGS); } else if (PG(implicit_flush)) { php_output_set_implicit_flush(1); } /* We turn this off in php_execute_script() */ /* PG(during_request_startup) = 0; */ php_hash_environment(); zend_activate_modules(); PG(modules_activated)=1; } zend_catch { retval = FAILURE; } zend_end_try(); SG(sapi_started) = 1; return retval; } /* }}} */ /* {{{ php_request_shutdown */ void php_request_shutdown(void *dummy) { bool report_memleaks; EG(flags) |= EG_FLAGS_IN_SHUTDOWN; report_memleaks = PG(report_memleaks); /* EG(current_execute_data) points into nirvana and therefore cannot be safely accessed * inside zend_executor callback functions. */ EG(current_execute_data) = NULL; php_deactivate_ticks(); /* 0. Call any open observer end handlers that are still open after a zend_bailout */ if (ZEND_OBSERVER_ENABLED) { zend_observer_fcall_end_all(); } /* 1. Call all possible shutdown functions registered with register_shutdown_function() */ if (PG(modules_activated)) { php_call_shutdown_functions(); } /* 2. Call all possible __destruct() functions */ zend_try { zend_call_destructors(); } zend_end_try(); /* 3. Flush all output buffers */ zend_try { php_output_end_all(); } zend_end_try(); /* 4. Reset max_execution_time (no longer executing php code after response sent) */ zend_try { zend_unset_timeout(); } zend_end_try(); /* 5. Call all extensions RSHUTDOWN functions */ if (PG(modules_activated)) { zend_deactivate_modules(); } /* 6. Shutdown output layer (send the set HTTP headers, cleanup output handlers, etc.) */ zend_try { php_output_deactivate(); } zend_end_try(); /* 7. Free shutdown functions */ if (PG(modules_activated)) { php_free_shutdown_functions(); } /* 8. Destroy super-globals */ zend_try { int i; for (i=0; ilast_error_message); ZEND_ASSERT(!core_globals->last_error_file); if (core_globals->disable_classes) { free(core_globals->disable_classes); } if (core_globals->php_binary) { free(core_globals->php_binary); } php_shutdown_ticks(core_globals); } /* }}} */ PHP_MINFO_FUNCTION(php_core) { /* {{{ */ php_info_print_table_start(); php_info_print_table_row(2, "PHP Version", PHP_VERSION); php_info_print_table_end(); DISPLAY_INI_ENTRIES(); } /* }}} */ /* {{{ php_register_extensions */ zend_result php_register_extensions(zend_module_entry * const * ptr, int count) { zend_module_entry * const * end = ptr + count; while (ptr < end) { if (*ptr) { if (zend_register_internal_module(*ptr)==NULL) { return FAILURE; } } ptr++; } return SUCCESS; } #ifdef PHP_WIN32 static _invalid_parameter_handler old_invalid_parameter_handler; void dummy_invalid_parameter_handler( const wchar_t *expression, const wchar_t *function, const wchar_t *file, unsigned int line, uintptr_t pReserved) { static int called = 0; char buf[1024]; int len; if (!called) { if(PG(windows_show_crt_warning)) { called = 1; if (function) { if (file) { len = _snprintf(buf, sizeof(buf)-1, "Invalid parameter detected in CRT function '%ws' (%ws:%u)", function, file, line); } else { len = _snprintf(buf, sizeof(buf)-1, "Invalid parameter detected in CRT function '%ws'", function); } } else { len = _snprintf(buf, sizeof(buf)-1, "Invalid CRT parameter detected (function not known)"); } zend_error(E_WARNING, "%s", buf); called = 0; } } } #endif /* {{{ php_module_startup */ zend_result php_module_startup(sapi_module_struct *sf, zend_module_entry *additional_module) { zend_utility_functions zuf; zend_utility_values zuv; zend_result retval = SUCCESS; int module_number = 0; zend_module_entry *module; #ifdef PHP_WIN32 WORD wVersionRequested = MAKEWORD(2, 0); WSADATA wsaData; old_invalid_parameter_handler = _set_invalid_parameter_handler(dummy_invalid_parameter_handler); if (old_invalid_parameter_handler != NULL) { _set_invalid_parameter_handler(old_invalid_parameter_handler); } /* Disable the message box for assertions.*/ _CrtSetReportMode(_CRT_ASSERT, 0); #endif #ifdef ZTS (void)ts_resource(0); #endif #ifdef PHP_WIN32 if (!php_win32_init_random_bytes()) { fprintf(stderr, "\ncrypt algorithm provider initialization failed\n"); return FAILURE; } #endif module_shutdown = false; module_startup = true; sapi_initialize_empty_request(); sapi_activate(); if (module_initialized) { return SUCCESS; } sapi_module = *sf; php_output_startup(); #ifdef ZTS ts_allocate_fast_id(&core_globals_id, &core_globals_offset, sizeof(php_core_globals), (ts_allocate_ctor) core_globals_ctor, (ts_allocate_dtor) core_globals_dtor); #ifdef PHP_WIN32 ts_allocate_id(&php_win32_core_globals_id, sizeof(php_win32_core_globals), (ts_allocate_ctor) php_win32_core_globals_ctor, (ts_allocate_dtor) php_win32_core_globals_dtor); #endif #else memset(&core_globals, 0, sizeof(core_globals)); php_startup_ticks(); #endif gc_globals_ctor(); zuf.error_function = php_error_cb; zuf.printf_function = php_printf; zuf.write_function = php_output_write; zuf.fopen_function = php_fopen_wrapper_for_zend; zuf.message_handler = php_message_handler_for_zend; zuf.get_configuration_directive = php_get_configuration_directive_for_zend; zuf.ticks_function = php_run_ticks; zuf.on_timeout = php_on_timeout; zuf.stream_open_function = php_stream_open_for_zend; zuf.printf_to_smart_string_function = php_printf_to_smart_string; zuf.printf_to_smart_str_function = php_printf_to_smart_str; zuf.getenv_function = sapi_getenv; zuf.resolve_path_function = php_resolve_path_for_zend; zend_startup(&zuf); zend_reset_lc_ctype_locale(); zend_update_current_locale(); zend_observer_startup(); #if ZEND_DEBUG zend_observer_error_register(report_zend_debug_error_notify_cb); #endif #if HAVE_TZSET tzset(); #endif #ifdef PHP_WIN32 char *img_err; if (!php_win32_crt_compatible(&img_err)) { php_error(E_CORE_WARNING, img_err); efree(img_err); return FAILURE; } /* start up winsock services */ if (WSAStartup(wVersionRequested, &wsaData) != 0) { fprintf(stderr, "\nwinsock.dll unusable. %d\n", WSAGetLastError()); return FAILURE; } php_win32_signal_ctrl_handler_init(); #endif le_index_ptr = zend_register_list_destructors_ex(NULL, NULL, "index pointer", 0); register_main_symbols(module_number); REGISTER_MAIN_STRINGL_CONSTANT("PHP_SAPI", sapi_module.name, strlen(sapi_module.name), CONST_PERSISTENT | CONST_NO_FILE_CACHE); php_binary_init(); if (PG(php_binary)) { REGISTER_MAIN_STRINGL_CONSTANT("PHP_BINARY", PG(php_binary), strlen(PG(php_binary)), CONST_PERSISTENT | CONST_NO_FILE_CACHE); } else { REGISTER_MAIN_STRINGL_CONSTANT("PHP_BINARY", "", 0, CONST_PERSISTENT | CONST_NO_FILE_CACHE); } /* this will read in php.ini, set up the configuration parameters, load zend extensions and register php function extensions to be loaded later */ zend_stream_init(); if (php_init_config() == FAILURE) { return FAILURE; } zend_stream_shutdown(); /* Register PHP core ini entries */ zend_register_ini_entries_ex(ini_entries, module_number, MODULE_PERSISTENT); /* Register Zend ini entries */ zend_register_standard_ini_entries(); #ifdef ZEND_WIN32 /* Until the current ini values was setup, the current cp is 65001. If the actual ini values are different, some stuff needs to be updated. It concerns at least main_cwd_state and there might be more. As we're still in the startup phase, lets use the chance and reinit the relevant item according to the current codepage. Still, if ini_set() is used later on, a more intelligent way to update such stuff is needed. Startup/shutdown routines could involve touching globals and thus can't always be used on demand. */ if (!php_win32_cp_use_unicode()) { virtual_cwd_main_cwd_init(1); } #endif /* Disable realpath cache if an open_basedir is set */ if (PG(open_basedir) && *PG(open_basedir)) { CWDG(realpath_cache_size_limit) = 0; } PG(have_called_openlog) = 0; /* initialize stream wrappers registry * (this uses configuration parameters from php.ini) */ if (php_init_stream_wrappers(module_number) == FAILURE) { fprintf(stderr, "PHP: Unable to initialize stream url wrappers.\n"); return FAILURE; } zuv.html_errors = 1; php_startup_auto_globals(); zend_set_utility_values(&zuv); php_startup_sapi_content_types(); /* Begin to fingerprint the process state */ zend_startup_system_id(); /* startup extensions statically compiled in */ if (php_register_internal_extensions_func() == FAILURE) { fprintf(stderr, "Unable to start builtin modules\n"); return FAILURE; } /* start additional PHP extensions */ if (additional_module && (zend_register_internal_module(additional_module) == NULL)) { return FAILURE; } /* load and startup extensions compiled as shared objects (aka DLLs) as requested by php.ini entries these are loaded after initialization of internal extensions as extensions *might* rely on things from ext/standard which is always an internal extension and to be initialized ahead of all other internals */ php_ini_register_extensions(); zend_startup_modules(); /* start Zend extensions */ zend_startup_extensions(); zend_collect_module_handlers(); /* register additional functions */ if (sapi_module.additional_functions) { if ((module = zend_hash_str_find_ptr(&module_registry, "standard", sizeof("standard")-1)) != NULL) { EG(current_module) = module; zend_register_functions(NULL, sapi_module.additional_functions, NULL, MODULE_PERSISTENT); EG(current_module) = NULL; } } /* disable certain classes and functions as requested by php.ini */ zend_disable_functions(INI_STR("disable_functions")); php_disable_classes(); /* make core report what it should */ if ((module = zend_hash_str_find_ptr(&module_registry, "core", sizeof("core")-1)) != NULL) { module->version = PHP_VERSION; module->info_func = PHP_MINFO(php_core); } /* freeze the list of observer fcall_init handlers */ zend_observer_post_startup(); /* Extensions that add engine hooks after this point do so at their own peril */ zend_finalize_system_id(); module_initialized = true; if (zend_post_startup() != SUCCESS) { return FAILURE; } /* Check for deprecated directives */ /* NOTE: If you add anything here, remember to add it to build/Makefile.global! */ { struct { const long error_level; const char *phrase; const char *directives[18]; /* Remember to change this if the number of directives change */ } directives[2] = { { E_DEPRECATED, "Directive '%s' is deprecated", { "allow_url_include", NULL } }, { E_CORE_ERROR, "Directive '%s' is no longer available in PHP", { "allow_call_time_pass_reference", "asp_tags", "define_syslog_variables", "highlight.bg", "magic_quotes_gpc", "magic_quotes_runtime", "magic_quotes_sybase", "register_globals", "register_long_arrays", "safe_mode", "safe_mode_gid", "safe_mode_include_dir", "safe_mode_exec_dir", "safe_mode_allowed_env_vars", "safe_mode_protected_env_vars", "zend.ze1_compatibility_mode", "track_errors", NULL } } }; unsigned int i; zend_try { /* 2 = Count of deprecation structs */ for (i = 0; i < 2; i++) { const char **p = directives[i].directives; while(*p) { zend_long value; if (cfg_get_long((char*)*p, &value) == SUCCESS && value) { zend_error(directives[i].error_level, directives[i].phrase, *p); } ++p; } } } zend_catch { retval = FAILURE; } zend_end_try(); } virtual_cwd_deactivate(); sapi_deactivate(); module_startup = false; /* Don't leak errors from startup into the per-request phase. */ clear_last_error(); shutdown_memory_manager(1, 0); virtual_cwd_activate(); zend_interned_strings_switch_storage(1); #if ZEND_RC_DEBUG if (retval == SUCCESS) { zend_rc_debug = 1; } #endif /* we're done */ return retval; } /* }}} */ /* {{{ php_module_shutdown_wrapper */ int php_module_shutdown_wrapper(sapi_module_struct *sapi_globals) { php_module_shutdown(); return SUCCESS; } /* }}} */ /* {{{ php_module_shutdown */ void php_module_shutdown(void) { int module_number=0; module_shutdown = true; if (!module_initialized) { return; } zend_interned_strings_switch_storage(0); #if ZEND_RC_DEBUG zend_rc_debug = 0; #endif #ifdef PHP_WIN32 (void)php_win32_shutdown_random_bytes(); php_win32_signal_ctrl_handler_shutdown(); #endif sapi_flush(); zend_shutdown(); #ifdef PHP_WIN32 /*close winsock */ WSACleanup(); #endif /* Destroys filter & transport registries too */ php_shutdown_stream_wrappers(module_number); zend_unregister_ini_entries_ex(module_number, MODULE_PERSISTENT); /* close down the ini config */ php_shutdown_config(); clear_last_error(); #ifndef ZTS zend_ini_shutdown(); shutdown_memory_manager(CG(unclean_shutdown), 1); #else zend_ini_global_shutdown(); #endif php_output_shutdown(); #ifndef ZTS zend_interned_strings_dtor(); #endif if (zend_post_shutdown_cb) { void (*cb)(void) = zend_post_shutdown_cb; zend_post_shutdown_cb = NULL; cb(); } module_initialized = false; #ifndef ZTS core_globals_dtor(&core_globals); gc_globals_dtor(); #else ts_free_id(core_globals_id); #endif #ifdef PHP_WIN32 if (old_invalid_parameter_handler == NULL) { _set_invalid_parameter_handler(old_invalid_parameter_handler); } #endif zend_observer_shutdown(); } /* }}} */ /* {{{ php_execute_script */ PHPAPI bool php_execute_script(zend_file_handle *primary_file) { zend_file_handle *prepend_file_p = NULL, *append_file_p = NULL; zend_file_handle prepend_file, append_file; #ifdef HAVE_BROKEN_GETCWD volatile int old_cwd_fd = -1; #else char *old_cwd; ALLOCA_FLAG(use_heap) #endif bool retval = false; #ifndef HAVE_BROKEN_GETCWD # define OLD_CWD_SIZE 4096 old_cwd = do_alloca(OLD_CWD_SIZE, use_heap); old_cwd[0] = '\0'; #endif zend_try { char realfile[MAXPATHLEN]; #ifdef PHP_WIN32 if(primary_file->filename) { UpdateIniFromRegistry(ZSTR_VAL(primary_file->filename)); } #endif PG(during_request_startup) = 0; if (primary_file->filename && !(SG(options) & SAPI_OPTION_NO_CHDIR)) { #ifdef HAVE_BROKEN_GETCWD /* this looks nasty to me */ old_cwd_fd = open(".", 0); #else php_ignore_value(VCWD_GETCWD(old_cwd, OLD_CWD_SIZE-1)); #endif VCWD_CHDIR_FILE(ZSTR_VAL(primary_file->filename)); } /* Only lookup the real file path and add it to the included_files list if already opened * otherwise it will get opened and added to the included_files list in zend_execute_scripts */ if (primary_file->filename && !zend_string_equals_literal(primary_file->filename, "Standard input code") && primary_file->opened_path == NULL && primary_file->type != ZEND_HANDLE_FILENAME ) { if (expand_filepath(ZSTR_VAL(primary_file->filename), realfile)) { primary_file->opened_path = zend_string_init(realfile, strlen(realfile), 0); zend_hash_add_empty_element(&EG(included_files), primary_file->opened_path); } } if (PG(auto_prepend_file) && PG(auto_prepend_file)[0]) { zend_stream_init_filename(&prepend_file, PG(auto_prepend_file)); prepend_file_p = &prepend_file; } if (PG(auto_append_file) && PG(auto_append_file)[0]) { zend_stream_init_filename(&append_file, PG(auto_append_file)); append_file_p = &append_file; } if (PG(max_input_time) != -1) { #ifdef PHP_WIN32 zend_unset_timeout(); #endif zend_set_timeout(INI_INT("max_execution_time"), 0); } retval = (zend_execute_scripts(ZEND_REQUIRE, NULL, 3, prepend_file_p, primary_file, append_file_p) == SUCCESS); } zend_end_try(); if (prepend_file_p) { zend_destroy_file_handle(prepend_file_p); } if (append_file_p) { zend_destroy_file_handle(append_file_p); } if (EG(exception)) { zend_try { zend_exception_error(EG(exception), E_ERROR); } zend_end_try(); } #ifdef HAVE_BROKEN_GETCWD if (old_cwd_fd != -1) { fchdir(old_cwd_fd); close(old_cwd_fd); } #else if (old_cwd[0] != '\0') { php_ignore_value(VCWD_CHDIR(old_cwd)); } free_alloca(old_cwd, use_heap); #endif return retval; } /* }}} */ /* {{{ php_execute_simple_script */ PHPAPI int php_execute_simple_script(zend_file_handle *primary_file, zval *ret) { char *old_cwd; ALLOCA_FLAG(use_heap) EG(exit_status) = 0; #define OLD_CWD_SIZE 4096 old_cwd = do_alloca(OLD_CWD_SIZE, use_heap); old_cwd[0] = '\0'; zend_try { #ifdef PHP_WIN32 if(primary_file->filename) { UpdateIniFromRegistry(ZSTR_VAL(primary_file->filename)); } #endif PG(during_request_startup) = 0; if (primary_file->filename && !(SG(options) & SAPI_OPTION_NO_CHDIR)) { php_ignore_value(VCWD_GETCWD(old_cwd, OLD_CWD_SIZE-1)); VCWD_CHDIR_FILE(ZSTR_VAL(primary_file->filename)); } zend_execute_scripts(ZEND_REQUIRE, ret, 1, primary_file); } zend_end_try(); if (old_cwd[0] != '\0') { php_ignore_value(VCWD_CHDIR(old_cwd)); } free_alloca(old_cwd, use_heap); return EG(exit_status); } /* }}} */ /* {{{ php_handle_aborted_connection */ PHPAPI void php_handle_aborted_connection(void) { PG(connection_status) = PHP_CONNECTION_ABORTED; php_output_set_status(PHP_OUTPUT_DISABLED); if (!PG(ignore_user_abort)) { zend_bailout(); } } /* }}} */ /* {{{ php_handle_auth_data */ PHPAPI int php_handle_auth_data(const char *auth) { int ret = -1; size_t auth_len = auth != NULL ? strlen(auth) : 0; if (auth && auth_len > 0 && zend_binary_strncasecmp(auth, auth_len, "Basic ", sizeof("Basic ")-1, sizeof("Basic ")-1) == 0) { char *pass; zend_string *user; user = php_base64_decode((const unsigned char*)auth + 6, auth_len - 6); if (user) { pass = strchr(ZSTR_VAL(user), ':'); if (pass) { *pass++ = '\0'; SG(request_info).auth_user = estrndup(ZSTR_VAL(user), ZSTR_LEN(user)); SG(request_info).auth_password = estrdup(pass); ret = 0; } zend_string_free(user); } } if (ret == -1) { SG(request_info).auth_user = SG(request_info).auth_password = NULL; } else { SG(request_info).auth_digest = NULL; } if (ret == -1 && auth && auth_len > 0 && zend_binary_strncasecmp(auth, auth_len, "Digest ", sizeof("Digest ")-1, sizeof("Digest ")-1) == 0) { SG(request_info).auth_digest = estrdup(auth + 7); ret = 0; } if (ret == -1) { SG(request_info).auth_digest = NULL; } return ret; } /* }}} */ /* {{{ php_lint_script */ PHPAPI zend_result php_lint_script(zend_file_handle *file) { zend_op_array *op_array; zend_result retval = FAILURE; zend_try { op_array = zend_compile_file(file, ZEND_INCLUDE); if (op_array) { destroy_op_array(op_array); efree(op_array); retval = SUCCESS; } } zend_end_try(); if (EG(exception)) { zend_exception_error(EG(exception), E_ERROR); } return retval; } /* }}} */ #ifdef ZTS /* {{{ php_reserve_tsrm_memory */ PHPAPI void php_reserve_tsrm_memory(void) { tsrm_reserve( TSRM_ALIGNED_SIZE(sizeof(zend_compiler_globals)) + TSRM_ALIGNED_SIZE(sizeof(zend_executor_globals)) + TSRM_ALIGNED_SIZE(sizeof(zend_php_scanner_globals)) + TSRM_ALIGNED_SIZE(sizeof(zend_ini_scanner_globals)) + TSRM_ALIGNED_SIZE(sizeof(virtual_cwd_globals)) + #ifdef ZEND_SIGNALS TSRM_ALIGNED_SIZE(sizeof(zend_signal_globals_t)) + #endif TSRM_ALIGNED_SIZE(zend_mm_globals_size()) + TSRM_ALIGNED_SIZE(zend_gc_globals_size()) + TSRM_ALIGNED_SIZE(sizeof(php_core_globals)) + TSRM_ALIGNED_SIZE(sizeof(sapi_globals_struct)) ); } /* }}} */ PHPAPI bool php_tsrm_startup_ex(int expected_threads) { bool ret = tsrm_startup(expected_threads, 1, 0, NULL); php_reserve_tsrm_memory(); (void)ts_resource(0); return ret; } /* {{{ php_tsrm_startup */ PHPAPI bool php_tsrm_startup(void) { return php_tsrm_startup_ex(1); } /* }}} */ #endif