/src/php-src/main/main.c

Source
/*
   +----------------------------------------------------------------------+
   | Copyright © The PHP Group and Contributors.                          |
   +----------------------------------------------------------------------+
   | This source file is subject to the Modified BSD License that is      |
   | bundled with this package in the file LICENSE, and is available      |
   | through the World Wide Web at <https://www.php.net/license/>.        |
   |                                                                      |
   | SPDX-License-Identifier: BSD-3-Clause                                |
   +----------------------------------------------------------------------+
   | Authors: Andi Gutmans <andi@php.net>                                 |
   |          Rasmus Lerdorf <rasmus@lerdorf.on.ca>                       |
   |          Zeev Suraski <zeev@php.net>                                 |
   +----------------------------------------------------------------------+
*/

/* {{{ includes */

#define ZEND_INCLUDE_FULL_WINDOWS_HEADERS

#include "php.h"
#include <stdio.h>
#include <fcntl.h>

#include "zend_autoload.h"
#ifdef PHP_WIN32
#include "win32/time.h"
#include "win32/signal.h"
#include "win32/php_win32_globals.h"
#include "win32/winutil.h"
#include <process.h>
#endif
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif

#include <signal.h>
#include <locale.h>
#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 "ext/random/php_random_csprng.h"
#include "ext/random/php_random_zend_utils.h"
#include "ext/opcache/ZendAccelerator.h"
#ifdef HAVE_JIT
# include "ext/opcache/jit/zend_jit.h"
#endif
#include "php_variables.h"
#include "ext/standard/credits.h"
#ifdef PHP_WIN32
#include <io.h>
#include "win32/php_registry.h"
#include "ext/standard/flock_compat.h"
#endif
#include "Zend/zend_builtin_functions.h"
#include "Zend/zend_exceptions.h"

#if PHP_SIGCHILD
#include <sys/types.h>
#include <sys/wait.h>
#endif

#include "zend_compile.h"
#include "zend_execute.h"
#include "zend_highlight.h"
#include "zend_ini.h"
#include "zend_dtrace.h"
#include "zend_observer.h"
#include "zend_system_id.h"
#include "zend_smart_string.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 "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):"-")

const char php_build_date[] = __DATE__ " " __TIME__;

ZEND_ATTRIBUTE_CONST PHPAPI const char *php_version(void)
{
  return PHP_VERSION;
}

ZEND_ATTRIBUTE_CONST PHPAPI unsigned int php_version_id(void)
{
  return PHP_VERSION_ID;
}

ZEND_ATTRIBUTE_CONST PHPAPI const char *php_build_provider(void)
{
#ifdef PHP_BUILD_PROVIDER
  return PHP_BUILD_PROVIDER;
#else
  return NULL;
#endif
}

PHPAPI char *php_get_version(sapi_module_struct *sapi_module)
{
  smart_string version_info = {0};
  smart_string_append_printf(&version_info,
    "PHP " PHP_VERSION " (%s) (built: %s) (%s)\n",
    sapi_module->name, php_build_date,
#ifdef ZTS
    "ZTS"
#else
    "NTS"
#endif
#ifdef PHP_BUILD_COMPILER
    " " PHP_BUILD_COMPILER
#endif
#ifdef PHP_BUILD_ARCH
    " " PHP_BUILD_ARCH
#endif
#if ZEND_DEBUG
    " DEBUG"
#endif
#ifdef HAVE_GCOV
    " GCOV"
#endif
  );
  smart_string_appends(&version_info, "Copyright © The PHP Group and Contributors\n");

  const char *build_provider = php_build_provider();
  if (build_provider) {
    smart_string_appends(&version_info, "Built by ");
    smart_string_appends(&version_info, build_provider);
    smart_string_appendc(&version_info, '\n');
  }
  smart_string_appends(&version_info, get_zend_version());
  smart_string_0(&version_info);

  return version_info.c;
}

PHPAPI void php_print_version(sapi_module_struct *sapi_module)
{
  char *version_info = php_get_version(sapi_module);
  PHPWRITE(version_info, strlen(version_info));
  efree(version_info);
}

/* {{{ 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 memory_limit exceeds max_memory_limit, warn and set to max_memory_limit instead. */
  if (value > PG(max_memory_limit)) {
    if (value != -1) {
      zend_error(E_WARNING,
        "Failed to set memory_limit to %zd bytes. Setting to max_memory_limit instead (currently: " ZEND_LONG_FMT " bytes)",
        value, PG(max_memory_limit));
    }

    zend_ini_entry *max_mem_limit_ini = zend_hash_str_find_ptr(EG(ini_directives), ZEND_STRL("max_memory_limit"));
    entry->value = zend_string_init(ZSTR_VAL(max_mem_limit_ini->value), ZSTR_LEN(max_mem_limit_ini->value), true);
    GC_MAKE_PERSISTENT_LOCAL(entry->value);
    PG(memory_limit) = PG(max_memory_limit);

    return SUCCESS;
  }

  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;
}
/* }}} */

static PHP_INI_MH(OnChangeMaxMemoryLimit)
{
  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) {
    zend_error(E_ERROR, "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;
  PG(max_memory_limit) = value;
  
  return SUCCESS;
}

static PHP_INI_MH(OnChangeMemoryHardLimitPercent)
{
  zend_long value;
  if (new_value) {
    value = zend_ini_parse_quantity_warn(new_value, entry->name);
  } else {
    value = -1; /* default: 200% if memory limit < 1G, fixed 1G buffer otherwise */
  }

  if (value < 100 && value != -1) {
    zend_error(E_WARNING, "memory_hard_limit_percent must be >= 100, or -1");
    return FAILURE;
  }

  if (zend_set_memory_hard_limit_percent(value) == FAILURE) {
    if (stage != ZEND_INI_STAGE_DEACTIVATE) {
      zend_error(E_WARNING, "Failed to set memory_hard_limit_percent to " ZEND_LONG_FMT, value);
      return FAILURE;
    }
  }

  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_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;
}
/* }}} */

static PHP_INI_MH(OnUpdateReportMemleaks)
{
  bool *p = ZEND_INI_GET_ADDR();
  bool new_bool_value = zend_ini_parse_bool(new_value);

  if (!new_bool_value) {
    php_error_docref(NULL, E_DEPRECATED, "Directive 'report_memleaks' is deprecated");
  }

  *p = new_bool_value;
  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 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") && ZSTR_LEN(new_value) > 0) {
    if (PG(open_basedir) && php_check_open_basedir(ZSTR_VAL(new_value))) {
      return FAILURE;
    }
  }

  zend_string **p = ZEND_INI_GET_ADDR();
  *p = new_value && ZSTR_LEN(new_value) > 0 ? new_value : NULL;
  return SUCCESS;
}
/* }}} */

/* {{{ PHP_INI_MH */
static PHP_INI_MH(OnUpdateMailLog)
{
  /* Only do the open_basedir check at runtime */
  if ((stage == PHP_INI_STAGE_RUNTIME || stage == PHP_INI_STAGE_HTACCESS) && new_value && ZSTR_LEN(new_value) > 0) {
    if (PG(open_basedir) && php_check_open_basedir(ZSTR_VAL(new_value))) {
      return FAILURE;
    }
  }
  char **p = ZEND_INI_GET_ADDR();
  *p = new_value && ZSTR_LEN(new_value) > 0 ? ZSTR_VAL(new_value) : NULL;
  return SUCCESS;
}
/* }}} */

/* {{{ PHP_INI_MH */
static PHP_INI_MH(OnUpdateMailCrLfMode)
{
  if (new_value) {
    if (ZSTR_LEN(new_value) > 0 &&
      !zend_string_equals_literal(new_value, "crlf") &&
      !zend_string_equals_literal(new_value, "lf") &&
      !zend_string_equals_literal(new_value, "mixed") &&
      !zend_string_equals_literal(new_value, "os")) {
      int err_type;

      if (stage == ZEND_INI_STAGE_RUNTIME) {
        err_type = E_WARNING;
      } else {
        err_type = E_ERROR;
      }

      if (stage != ZEND_INI_STAGE_DEACTIVATE) {
        php_error_docref(NULL, err_type, "Invalid value \"%s\" for mail.cr_lf_mode. Must be one of: \"crlf\", \"lf\", \"mixed\", \"os\"", ZSTR_VAL(new_value));
      }

      return FAILURE;
    }
  }
  OnUpdateStr(entry, new_value, mh_arg1, mh_arg2, mh_arg3, stage);
  return SUCCESS;
}
/* }}} */

/* {{{ PHP_INI_MH */
static PHP_INI_MH(OnChangeMailForceExtra)
{
  /* Check that INI setting does not have any nul bytes */
  if (new_value && zend_str_has_nul_byte(new_value)) {
    /* TODO Emit warning? */
    return FAILURE;
  }
  /* 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("error_include_args", "0",  PHP_INI_ALL,    OnUpdateBool,     error_include_args, 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,    OnUpdateReportMemleaks, 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,  OnUpdateStrNotEmpty,  output_handler,   php_core_globals, core_globals)
  STD_PHP_INI_BOOLEAN("register_argc_argv", "0",    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,    OnUpdateStr,      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,    OnUpdateStrNotEmpty,  arg_separator.output, php_core_globals, core_globals)
  STD_PHP_INI_ENTRY("arg_separator.input",  "&",    PHP_INI_SYSTEM|PHP_INI_PERDIR,  OnUpdateStrNotEmpty,  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,   OnUpdateStrNotEmpty,  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,   OnUpdateStrNotEmpty,  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.cr_lf_mode",        "crlf",   PHP_INI_SYSTEM|PHP_INI_PERDIR,    OnUpdateMailCrLfMode,   mail_cr_lf_mode,    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("max_memory_limit",   "-1",   PHP_INI_SYSTEM,   OnChangeMaxMemoryLimit)
  PHP_INI_ENTRY("memory_limit",     "128M",   PHP_INI_ALL,    OnChangeMemoryLimit)
  PHP_INI_ENTRY("memory_hard_limit_percent",  NULL, PHP_INI_ALL,    OnChangeMemoryHardLimitPercent)

  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("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 (zend_string_equals_literal(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(ZSTR_VAL(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<n> 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, int type, const char *format, va_list args)
{
  zend_string *replace_origin = NULL;
  char *docref_buf = NULL, *target = NULL;
  const char *docref_target = "", *docref_root = "";
  char *p;
  const char *space = "";
  const char *class_name = "";
  const char *function;
  size_t origin_len;
  char *origin;
  zend_string *message;
  int is_function = 0;

  if (ZEND_HAS_OOM()) {
    return;
  }

  /* get error text into buffer and escape for html if necessary */
  zend_string *buffer = vstrpprintf(0, format, args);

  if (PG(html_errors)) {
    zend_string *replace_buffer = escape_html(ZSTR_VAL(buffer), ZSTR_LEN(buffer));
    zend_string_free(buffer);

    if (replace_buffer) {
      buffer = replace_buffer;
    } else {
      buffer = zend_empty_string;
    }
  }

  /* 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) {
    zend_string *dynamic_params = NULL;
    if (PG(error_include_args)) {
      dynamic_params = zend_trace_current_function_args_string();
    }
    origin_len = spprintf(&origin, 0, "%s%s%s(%s)", class_name, space, function, dynamic_params ? ZSTR_VAL(dynamic_params) : "");
    if (dynamic_params) {
      zend_string_release(dynamic_params);
    }
  } else {
    origin_len = strlen(function);
    origin = estrndup(function, origin_len);
  }

  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) {
    size_t doclen;
    while (*function == '_') {
      function++;
    }
    if (space[0] == '\0') {
      doclen = spprintf(&docref_buf, 0, "function.%s", function);
    } else {
      doclen = 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_unchecked(0, "%s [<a href='%s%s%s'>%s</a>]: %S", origin, docref_root, docref, docref_target, docref, buffer);
    } else {
      message = zend_strpprintf_unchecked(0, "%s [%s%s%s]: %S", origin, docref_root, docref, docref_target, buffer);
    }
    if (target) {
      efree(target);
    }
  } else {
    message = zend_strpprintf_unchecked(0, "%s: %S", origin, buffer);
  }
  if (replace_origin) {
    zend_string_free(replace_origin);
  } else {
    efree(origin);
  }
  if (docref_buf) {
    efree(docref_buf);
  }

  zend_string_free(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_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;
  zend_string *backtrace = ZSTR_EMPTY_ALLOC();

  /* 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) != 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 not 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;
    }
  }

  if (!Z_ISUNDEF(EG(last_fatal_error_backtrace))) {
    backtrace = zend_trace_to_string(Z_ARRVAL(EG(last_fatal_error_backtrace)), /* include_main */ true);
  }

  /* 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;
  }

  /* Discarding the output buffers frees every handler on the stack, which is
   * not safe while one of them is running */
  if (zend_alloc_in_memory_limit_error_reporting()
      && !(php_output_get_status() & PHP_OUTPUT_LOCKED)) {
    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_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 "%s%s", error_type_str, ZSTR_VAL(message), ZSTR_VAL(error_filename), error_lineno, ZSTR_LEN(backtrace) ? "\nStack trace:\n" : "", ZSTR_VAL(backtrace));
      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("<?xml version=\"1.0\"?><methodResponse><fault><value><struct><member><name>faultCode</name><value><int>" ZEND_LONG_FMT "</int></value></member><member><name>faultString</name><value><string>%s:%s in %s on line %" PRIu32 "%s%s</string></value></member></struct></value></fault></methodResponse>", PG(xmlrpc_error_number), error_type_str, ZSTR_VAL(message), ZSTR_VAL(error_filename), error_lineno, ZSTR_LEN(backtrace) ? "\nStack trace:\n" : "", ZSTR_VAL(backtrace));
      } else {
        const char *prepend_string = zend_ini_string_literal("error_prepend_string");
        const char *append_string = zend_ini_string_literal("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<br />\n<b>%s</b>:  %s in <b>%s</b> on line <b>%" PRIu32 "</b><br />\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 {
            php_printf_unchecked("%s<br />\n<b>%s</b>:  %S in <b>%s</b> on line <b>%" PRIu32 "</b><br />%s%s\n%s", STR_PRINT(prepend_string), error_type_str, message, ZSTR_VAL(error_filename), error_lineno, ZSTR_LEN(backtrace) ? "\nStack trace:\n" : "", ZSTR_VAL(backtrace), 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 "%s%s\n", ZSTR_VAL(error_filename), error_lineno, ZSTR_LEN(backtrace) ? "\nStack trace:\n" : "", ZSTR_VAL(backtrace));
#ifdef PHP_WIN32
            fflush(stderr);
#endif
          } else {
            php_printf_unchecked("%s\n%s: %S in %s on line %" PRIu32 "%s%s\n%s", STR_PRINT(prepend_string), error_type_str, message, ZSTR_VAL(error_filename), error_lineno, ZSTR_LEN(backtrace) ? "\nStack trace:\n" : "", ZSTR_VAL(backtrace), STR_PRINT(append_string));
          }
        }
      }
    }
  }

  zend_string_release(backtrace);

  /* 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) = zend_mm_max_allocs_hit() ? ZEND_MM_MAX_ALLOCS_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));
          if (CG(in_compilation) && (type == E_COMPILE_ERROR || type == E_PARSE)) {
            /* We bailout during compilation which may for example leave stale entries in CG(loop_var_stack).
             * If code is compiled during shutdown, we need to make sure the compiler is reset to a clean state,
             * otherwise this will lead to incorrect compilation during shutdown.
             * We don't do a full re-initialization via init_compiler() because that will also reset streams and resources. */
            shutdown_compiler();
            zend_init_compiler_data_structures();
          }
          zend_bailout();
          return;
        }
      }
      break;
  }
}
/* }}} */

/* {{{ php_get_current_user */
PHPAPI zend_string *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 ZSTR_EMPTY_ALLOC();
  } else {
#ifdef PHP_WIN32
    char *name = php_win32_get_username();

    if (!name) {
      return ZSTR_EMPTY_ALLOC();
    }
    SG(request_info).current_user = zend_string_init(name, strlen(name), false);
    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;
    int err;

    if (pwbuflen < 1) {
      pwbuflen = 1024;
    }
# if ZEND_DEBUG
    /* Test retry logic */
    pwbuflen = 1;
# endif
    pwbuf = emalloc(pwbuflen);

try_again:
    err = getpwuid_r(pstat->st_uid, &_pw, pwbuf, pwbuflen, &retpwptr);
    if (err != 0) {
      if (err == ERANGE) {
        pwbuflen *= 2;
        pwbuf = erealloc(pwbuf, pwbuflen);
        goto try_again;
      }
      efree(pwbuf);
      return ZSTR_EMPTY_ALLOC();
    }
    if (retpwptr == NULL) {
      efree(pwbuf);
      return ZSTR_EMPTY_ALLOC();
    }
    pwd = &_pw;
#else
    if ((pwd=getpwuid(pstat->st_uid))==NULL) {
      return ZSTR_EMPTY_ALLOC();
    }
#endif
    SG(request_info).current_user = zend_string_init(pwd->pw_name, strlen(pwd->pw_name), false);
#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;

  if (zend_parse_parameters(ZEND_NUM_ARGS(), "l", &new_timeout) == FAILURE) {
    RETURN_THROWS();
  }

  zend_string *time = zend_long_to_str(new_timeout);
  zend_string *key = ZSTR_INIT_LITERAL("max_execution_time", false);
  RETVAL_BOOL(zend_alter_ini_entry_ex(key, time, PHP_INI_USER, PHP_INI_STAGE_RUNTIME, false) == SUCCESS);
  zend_string_release_ex(key, false);
  zend_string_release_ex(time, false);
}
/* }}} */

/* {{{ 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

PHPAPI void php_child_init(void)
{
  refresh_memory_manager();
  zend_max_execution_timer_init();
  php_clear_stat_cache(true, NULL, 0);
}

/* {{{ 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();
    php_basic_early_rinit();
    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)) {
      zval oh;

      ZVAL_STR(&oh, zend_string_dup(PG(output_handler), false));
      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;

  char *max = getenv("ZEND_MM_MAX_ALLOCS");
  if (max) {
    zend_mm_set_max_allocs(ZEND_ATOL(max));
  }

  return retval;
}
/* }}} */

/* {{{ php_request_shutdown */
void php_request_shutdown(void *dummy)
{
  bool report_memleaks;

  EG(flags) |= EG_FLAGS_IN_SHUTDOWN;
  EG(delayed_oom).state = ZEND_OOM_STATE_NONE;

  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;

  /* 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();

  php_deactivate_ticks();

  /* 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. Shutdown autoloader, freeing all held functions/closures */
  zend_autoload_shutdown();

  /* 9. Destroy super-globals */
  zend_try {
    int i;

    for (i=0; i<NUM_TRACK_VARS; i++) {
      zval_ptr_dtor(&PG(http_globals)[i]);
      /* May be accessed before php_request_startup() */
      ZVAL_UNDEF(&PG(http_globals)[i]);
    }
  } zend_end_try();

  /* 10. Shutdown scanner/executor/compiler and restore ini entries */
  zend_deactivate();

  /* 11. free request-bound globals */
  php_free_request_globals();

  /* 12. Call all extensions post-RSHUTDOWN functions */
  zend_try {
    zend_post_deactivate_modules();
  } zend_end_try();

  /* 13. SAPI related shutdown*/
  zend_try {
    sapi_deactivate_module();
  } zend_end_try();
  /* free SAPI stuff */
  sapi_deactivate_destroy();

  /* 14. free virtual CWD memory */
  virtual_cwd_deactivate();

  /* 15. Destroy stream hashes */
  zend_try {
    php_shutdown_stream_hashes();
  } zend_end_try();

  /* 16. Free Willy (here be crashes) */
  zend_arena_destroy(CG(arena));
  zend_interned_strings_deactivate();
  clear_last_error();
  zend_try {
    shutdown_memory_manager(CG(unclean_shutdown) || !report_memleaks, 0);
  } zend_end_try();
  EG(delayed_oom).state = ZEND_OOM_STATE_NONE;

  /* Reset memory limit, as the reset during INI_STAGE_DEACTIVATE may have failed.
   * At this point, no memory beyond a single chunk should be in use. */
  zend_set_memory_limit(PG(memory_limit));

  /* 17. Deactivate Zend signals */
#ifdef ZEND_SIGNALS
  zend_signal_deactivate();
#endif

#ifdef PHP_WIN32
  if (PG(com_initialized)) {
    CoUninitialize();
    PG(com_initialized) = 0;
  }
#endif

#ifdef HAVE_DTRACE
  DTRACE_REQUEST_SHUTDOWN(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 */

  /* May be accessed before php_request_startup() */
  PG(modules_activated) = 0;
}
/* }}} */

/* {{{ php_com_initialize */
PHPAPI void php_com_initialize(void)
{
#ifdef PHP_WIN32
  if (!PG(com_initialized)) {
    if (CoInitialize(NULL) == S_OK) {
      PG(com_initialized) = 1;
    }
  }
#endif
}
/* }}} */

#ifdef ZTS
/* {{{ core_globals_ctor */
static void core_globals_ctor(php_core_globals *core_globals)
{
  memset(core_globals, 0, sizeof(*core_globals));
  php_startup_ticks();
}
/* }}} */
#endif

/* {{{ core_globals_dtor */
static void core_globals_dtor(php_core_globals *core_globals)
{
  /* These should have been freed earlier. */
  ZEND_ASSERT(!core_globals->last_error_message);
  ZEND_ASSERT(!core_globals->last_error_file);

  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, 2);
  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 and errors.*/
  _CrtSetReportMode(_CRT_ASSERT, 0);
  _CrtSetReportMode(_CRT_ERROR, 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();

  zend_observer_startup();
#if ZEND_DEBUG
  zend_observer_error_register(report_zend_debug_error_notify_cb);
#endif

  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;
  zuf.random_bytes_function = php_random_bytes_ex;
  zuf.random_bytes_insecure_function = php_random_bytes_insecure_for_zend;
  zend_startup(&zuf);
  zend_reset_lc_ctype_locale();
  zend_update_current_locale();

#ifdef HAVE_TZSET
  tzset();
#endif

#ifdef PHP_WIN32
  char *img_err;
  if (!php_win32_crt_compatible(&img_err)) {
    php_error(E_CORE_WARNING, "%s", 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;
  }

  if (UNEXPECTED(HIBYTE(wsaData.wVersion) != 2)) {
    fprintf(stderr, "\nversion not found in winsock.dll. %d\n", WSAGetLastError());
    WSACleanup();
    return FAILURE;
  }
  php_win32_signal_ctrl_handler_init();
#endif

  le_index_ptr = zend_register_list_destructors_ex(NULL, NULL, "index pointer", 0);

  php_binary_init();
  register_main_symbols(module_number);

  /* 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();
  php_init_config();
  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)
   */
  php_init_stream_wrappers(module_number);

  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 functions as requested by php.ini */
  zend_disable_functions(zend_ini_string_literal("disable_functions"));

  /* 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();

  /* freeze the list of persistent internal functions */
  zend_init_internal_run_time_cache();

  /* 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[19]; /* 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",
          "disable_classes",
          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();
}
/* }}} */

PHPAPI bool php_execute_script_ex(zend_file_handle *primary_file, zval *retval)
{
  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 result = true;

#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_script
     */
    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(zend_ini_long_literal("max_execution_time"), false);
    }

    if (prepend_file_p && result) {
      result = zend_execute_script(ZEND_REQUIRE, NULL, prepend_file_p) == SUCCESS;
    }
    if (result) {
      result = zend_execute_script(ZEND_REQUIRE, retval, primary_file) == SUCCESS;
    }
    if (append_file_p && result) {
      result = zend_execute_script(ZEND_REQUIRE, NULL, append_file_p) == SUCCESS;
    }
  } zend_catch {
    result = false;
  } 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 result;
}

/* {{{ php_execute_script */
PHPAPI bool php_execute_script(zend_file_handle *primary_file)
{
  return php_execute_script_ex(primary_file, NULL);
}
/* }}} */

/* {{{ 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_script(ZEND_REQUIRE, ret, 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));
        if (strlen(pass) > 0) {
          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_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_gc_globals_size()) +
    TSRM_ALIGNED_SIZE(sizeof(php_core_globals)) +
    TSRM_ALIGNED_SIZE(sizeof(sapi_globals_struct)) +
    TSRM_ALIGNED_SIZE(sizeof(zend_accel_globals)) +
#ifdef HAVE_JIT
    TSRM_ALIGNED_SIZE(sizeof(zend_jit_globals)) +
#endif
    0
  );
}
/* }}} */

PHPAPI bool php_tsrm_startup_ex(int expected_threads)
{
  bool ret = tsrm_startup(expected_threads, 1, 0, NULL);
  php_reserve_tsrm_memory();
  /* Must cover the total size of every ZEND_*_OFFSET global, or the furthest underflows the block. */
  tsrm_reserve_fast_front(
    TSRM_ALIGNED_SIZE(sizeof(zend_compiler_globals)) +
    TSRM_ALIGNED_SIZE(sizeof(zend_executor_globals)));
  (void)ts_resource(0);
  return ret;
}

/* {{{ php_tsrm_startup */
PHPAPI bool php_tsrm_startup(void)
{
  return php_tsrm_startup_ex(1);
}
/* }}} */
#endif

Coverage Report

Created: 2026-10-28 06:20