/* [<][>][^][v][top][bottom][index][help] */
DEFINITIONS
This source file includes following definitions.
- php_ini_displayer_cb
- php_ini_displayer
- display_ini_entries
- php_config_ini_parser_cb
- php_load_function_extension_cb
- php_load_zend_extension_cb
- pvalue_config_destructor
- php_init_config
- php_shutdown_config
- php_ini_register_extensions
- cfg_get_entry
- cfg_get_long
- cfg_get_double
- cfg_get_string
/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2008 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: |
| http://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. |
+----------------------------------------------------------------------+
| Author: Zeev Suraski <zeev@zend.com> |
+----------------------------------------------------------------------+
*/
/* $Id: php_ini.c,v 1.136.2.4.2.16 2007/12/31 07:20:15 sebastian Exp $ */
#include "php.h"
#include "ext/standard/info.h"
#include "zend_ini.h"
#include "php_ini.h"
#include "ext/standard/dl.h"
#include "zend_extensions.h"
#include "zend_highlight.h"
#include "SAPI.h"
#include "php_main.h"
#include "php_scandir.h"
#ifdef PHP_WIN32
#include "win32/php_registry.h"
#endif
#if HAVE_SCANDIR && HAVE_ALPHASORT && HAVE_DIRENT_H
#include <dirent.h>
#endif
#ifndef S_ISREG
#define S_ISREG(mode) (((mode) & S_IFMT) == S_IFREG)
#endif
typedef struct _php_extension_lists {
zend_llist engine;
zend_llist functions;
} php_extension_lists;
/* True globals */
static HashTable configuration_hash;
PHPAPI char *php_ini_opened_path=NULL;
static php_extension_lists extension_lists;
PHPAPI char *php_ini_scanned_files=NULL;
/* {{{ php_ini_displayer_cb
*/
static void php_ini_displayer_cb(zend_ini_entry *ini_entry, int type)
{
if (ini_entry->displayer) {
ini_entry->displayer(ini_entry, type);
} else {
char *display_string;
uint display_string_length, esc_html=0;
TSRMLS_FETCH();
if (type == ZEND_INI_DISPLAY_ORIG && ini_entry->modified) {
if (ini_entry->orig_value && ini_entry->orig_value[0]) {
display_string = ini_entry->orig_value;
display_string_length = ini_entry->orig_value_length;
esc_html = !sapi_module.phpinfo_as_text;
} else {
if (!sapi_module.phpinfo_as_text) {
display_string = "<i>no value</i>";
display_string_length = sizeof("<i>no value</i>") - 1;
} else {
display_string = "no value";
display_string_length = sizeof("no value") - 1;
}
}
} else if (ini_entry->value && ini_entry->value[0]) {
display_string = ini_entry->value;
display_string_length = ini_entry->value_length;
esc_html = !sapi_module.phpinfo_as_text;
} else {
if (!sapi_module.phpinfo_as_text) {
display_string = "<i>no value</i>";
display_string_length = sizeof("<i>no value</i>") - 1;
} else {
display_string = "no value";
display_string_length = sizeof("no value") - 1;
}
}
if (esc_html) {
php_html_puts(display_string, display_string_length TSRMLS_CC);
} else {
PHPWRITE(display_string, display_string_length);
}
}
}
/* }}} */
/* {{{ php_ini_displayer
*/
static int php_ini_displayer(zend_ini_entry *ini_entry, int module_number TSRMLS_DC)
{
if (ini_entry->module_number != module_number) {
return 0;
}
if (!sapi_module.phpinfo_as_text) {
PUTS("<tr>");
PUTS("<td class=\"e\">");
PHPWRITE(ini_entry->name, ini_entry->name_length - 1);
PUTS("</td><td class=\"v\">");
php_ini_displayer_cb(ini_entry, ZEND_INI_DISPLAY_ACTIVE);
PUTS("</td><td class=\"v\">");
php_ini_displayer_cb(ini_entry, ZEND_INI_DISPLAY_ORIG);
PUTS("</td></tr>\n");
} else {
PHPWRITE(ini_entry->name, ini_entry->name_length - 1);
PUTS(" => ");
php_ini_displayer_cb(ini_entry, ZEND_INI_DISPLAY_ACTIVE);
PUTS(" => ");
php_ini_displayer_cb(ini_entry, ZEND_INI_DISPLAY_ORIG);
PUTS("\n");
}
return 0;
}
/* }}} */
/* {{{ display_ini_entries
*/
PHPAPI void display_ini_entries(zend_module_entry *module)
{
int module_number;
TSRMLS_FETCH();
if (module) {
module_number = module->module_number;
} else {
module_number = 0;
}
php_info_print_table_start();
php_info_print_table_header(3, "Directive", "Local Value", "Master Value");
zend_hash_apply_with_argument(EG(ini_directives), (apply_func_arg_t) php_ini_displayer, (void *) (zend_intptr_t) module_number TSRMLS_CC);
php_info_print_table_end();
}
/* }}} */
/* php.ini support */
#ifdef ZTS
# if (ZEND_DEBUG)
# define ZEND_EXTENSION_TOKEN "zend_extension_debug_ts"
# else
# define ZEND_EXTENSION_TOKEN "zend_extension_ts"
# endif
#else
# if (ZEND_DEBUG)
# define ZEND_EXTENSION_TOKEN "zend_extension_debug"
# else
# define ZEND_EXTENSION_TOKEN "zend_extension"
# endif
#endif
/* {{{ php_config_ini_parser_cb
*/
static void php_config_ini_parser_cb(zval *arg1, zval *arg2, int callback_type, void *arg)
{
switch (callback_type) {
case ZEND_INI_PARSER_ENTRY: {
zval *entry;
if (!arg2) {
break;
}
if (!strcasecmp(Z_STRVAL_P(arg1), "extension")) { /* load function module */
zval copy;
copy = *arg2;
zval_copy_ctor(©);
copy.refcount = 0;
zend_llist_add_element(&extension_lists.functions, ©);
} else if (!strcasecmp(Z_STRVAL_P(arg1), ZEND_EXTENSION_TOKEN)) { /* load Zend extension */
char *extension_name = estrndup(Z_STRVAL_P(arg2), Z_STRLEN_P(arg2));
zend_llist_add_element(&extension_lists.engine, &extension_name);
} else {
zend_hash_update(&configuration_hash, Z_STRVAL_P(arg1), Z_STRLEN_P(arg1) + 1, arg2, sizeof(zval), (void **) &entry);
Z_STRVAL_P(entry) = zend_strndup(Z_STRVAL_P(entry), Z_STRLEN_P(entry));
}
}
break;
case ZEND_INI_PARSER_POP_ENTRY: {
zval *hash;
zval **find_hash;
zval *element;
if (!arg2) {
/* bare string - nothing to do */
break;
}
if (zend_hash_find(&configuration_hash, Z_STRVAL_P(arg1), Z_STRLEN_P(arg1) + 1, (void **) &find_hash) == FAILURE) {
ALLOC_ZVAL(hash);
array_init(hash);
zend_hash_update(&configuration_hash, Z_STRVAL_P(arg1), Z_STRLEN_P(arg1) + 1, &hash, sizeof(zval *), NULL);
} else {
hash = *find_hash;
}
ALLOC_ZVAL(element);
*element = *arg2;
zval_copy_ctor(element);
INIT_PZVAL(element);
add_next_index_zval(hash, element);
}
break;
case ZEND_INI_PARSER_SECTION:
break;
}
}
/* }}} */
/* {{{ php_load_function_extension_cb
*/
static void php_load_function_extension_cb(void *arg TSRMLS_DC)
{
zval *extension = (zval *) arg;
zval zval;
php_dl(extension, MODULE_PERSISTENT, &zval, 0 TSRMLS_CC);
}
/* }}} */
/* {{{ php_load_zend_extension_cb
*/
static void php_load_zend_extension_cb(void *arg TSRMLS_DC)
{
zend_load_extension(*((char **) arg));
}
/* }}} */
/* {{{ pvalue_config_destructor
*/
static void pvalue_config_destructor(zval *pvalue)
{
if (Z_TYPE_P(pvalue) == IS_STRING) {
free(Z_STRVAL_P(pvalue));
}
}
/* }}} */
/* {{{ php_init_config
*/
int php_init_config(TSRMLS_D)
{
char *php_ini_file_name = NULL;
char *php_ini_search_path = NULL;
int safe_mode_state;
char *open_basedir;
int free_ini_search_path = 0;
zend_file_handle fh;
struct stat sb;
char ini_file[MAXPATHLEN];
char *p;
zend_llist scanned_ini_list;
int l, total_l=0;
zend_llist_element *element;
if (zend_hash_init(&configuration_hash, 0, NULL, (dtor_func_t) pvalue_config_destructor, 1) == FAILURE) {
return FAILURE;
}
if (sapi_module.ini_defaults) {
sapi_module.ini_defaults(&configuration_hash);
}
zend_llist_init(&extension_lists.engine, sizeof(char *), (llist_dtor_func_t) free_estring, 1);
zend_llist_init(&extension_lists.functions, sizeof(zval), (llist_dtor_func_t) ZVAL_DESTRUCTOR, 1);
zend_llist_init(&scanned_ini_list, sizeof(char *), (llist_dtor_func_t) free_estring, 1);
safe_mode_state = PG(safe_mode);
open_basedir = PG(open_basedir);
if (sapi_module.php_ini_path_override) {
php_ini_file_name = sapi_module.php_ini_path_override;
php_ini_search_path = sapi_module.php_ini_path_override;
free_ini_search_path = 0;
} else if (!sapi_module.php_ini_ignore) {
int search_path_size;
char *default_location;
char *env_location;
char *binary_location;
static const char paths_separator[] = { ZEND_PATHS_SEPARATOR, 0 };
#ifdef PHP_WIN32
char *reg_location;
#endif
env_location = getenv("PHPRC");
if (!env_location) {
env_location = "";
}
/*
* Prepare search path
*/
search_path_size = MAXPATHLEN * 4 + strlen(env_location) + 3 + 1;
php_ini_search_path = (char *) emalloc(search_path_size);
free_ini_search_path = 1;
php_ini_search_path[0] = 0;
/* Add environment location */
if (env_location[0]) {
if (*php_ini_search_path) {
strlcat(php_ini_search_path, paths_separator, search_path_size);
}
strlcat(php_ini_search_path, env_location, search_path_size);
php_ini_file_name = env_location;
}
#ifdef PHP_WIN32
/* Add registry location */
reg_location = GetIniPathFromRegistry();
if (reg_location != NULL) {
if (*php_ini_search_path) {
strlcat(php_ini_search_path, paths_separator, search_path_size);
}
strlcat(php_ini_search_path, reg_location, search_path_size);
efree(reg_location);
}
#endif
/* Add cwd (not with CLI) */
if (strcmp(sapi_module.name, "cli") != 0) {
if (*php_ini_search_path) {
strlcat(php_ini_search_path, paths_separator, search_path_size);
}
strlcat(php_ini_search_path, ".", search_path_size);
}
/* Add binary directory */
#ifdef PHP_WIN32
binary_location = (char *) emalloc(MAXPATHLEN);
if (GetModuleFileName(0, binary_location, MAXPATHLEN) == 0) {
efree(binary_location);
binary_location = NULL;
}
#else
if (sapi_module.executable_location) {
binary_location = (char *)emalloc(MAXPATHLEN);
if (!strchr(sapi_module.executable_location, '/')) {
char *envpath, *path;
int found = 0;
if ((envpath = getenv("PATH")) != NULL) {
char *search_dir, search_path[MAXPATHLEN];
char *last;
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)) {
found = 1;
break;
}
search_dir = php_strtok_r(NULL, ":", &last);
}
efree(path);
}
if (!found) {
efree(binary_location);
binary_location = NULL;
}
} else if (!VCWD_REALPATH(sapi_module.executable_location, binary_location) || VCWD_ACCESS(binary_location, X_OK)) {
efree(binary_location);
binary_location = NULL;
}
} else {
binary_location = NULL;
}
#endif
if (binary_location) {
char *separator_location = strrchr(binary_location, DEFAULT_SLASH);
if (separator_location && separator_location != binary_location) {
*(separator_location) = 0;
}
if (*php_ini_search_path) {
strlcat(php_ini_search_path, paths_separator, search_path_size);
}
strlcat(php_ini_search_path, binary_location, search_path_size);
efree(binary_location);
}
/* Add default location */
#ifdef PHP_WIN32
default_location = (char *) emalloc(MAXPATHLEN + 1);
if (0 < GetWindowsDirectory(default_location, MAXPATHLEN)) {
if (*php_ini_search_path) {
strlcat(php_ini_search_path, paths_separator, search_path_size);
}
strlcat(php_ini_search_path, default_location, search_path_size);
}
efree(default_location);
{
/* For people running under terminal services, GetWindowsDirectory will
* return their personal Windows directory, so lets add the system
* windows directory too */
typedef UINT (WINAPI *get_system_windows_directory_func)(char *buffer, UINT size);
static get_system_windows_directory_func get_system_windows_directory = NULL;
HMODULE kern;
if (get_system_windows_directory == NULL) {
kern = LoadLibrary("kernel32.dll");
if (kern) {
get_system_windows_directory = (get_system_windows_directory_func)GetProcAddress(kern, "GetSystemWindowsDirectoryA");
}
}
if (get_system_windows_directory != NULL) {
default_location = (char *) emalloc(MAXPATHLEN + 1);
if (0 < get_system_windows_directory(default_location, MAXPATHLEN)) {
if (*php_ini_search_path) {
strlcat(php_ini_search_path, paths_separator, search_path_size);
}
strlcat(php_ini_search_path, default_location, search_path_size);
}
efree(default_location);
}
}
#else
default_location = PHP_CONFIG_FILE_PATH;
if (*php_ini_search_path) {
strlcat(php_ini_search_path, paths_separator, search_path_size);
}
strlcat(php_ini_search_path, default_location, search_path_size);
#endif
}
PG(safe_mode) = 0;
PG(open_basedir) = NULL;
memset(&fh, 0, sizeof(fh));
/* Check if php_ini_path_override is a file */
if (!sapi_module.php_ini_ignore) {
if (php_ini_file_name && php_ini_file_name[0]) {
struct stat statbuf;
if (!VCWD_STAT(php_ini_file_name, &statbuf)) {
if (!((statbuf.st_mode & S_IFMT) == S_IFDIR)) {
fh.handle.fp = VCWD_FOPEN(php_ini_file_name, "r");
if (fh.handle.fp) {
fh.filename = php_ini_opened_path = expand_filepath(php_ini_file_name, NULL TSRMLS_CC);
}
}
}
}
/* Search php-%sapi-module-name%.ini file in search path */
if (!fh.handle.fp) {
const char *fmt = "php-%s.ini";
char *ini_fname;
spprintf(&ini_fname, 0, fmt, sapi_module.name);
fh.handle.fp = php_fopen_with_path(ini_fname, "r", php_ini_search_path, &php_ini_opened_path TSRMLS_CC);
efree(ini_fname);
if (fh.handle.fp) {
fh.filename = php_ini_opened_path;
}
}
/* Search php.ini file in search path */
if (!fh.handle.fp) {
fh.handle.fp = php_fopen_with_path("php.ini", "r", php_ini_search_path, &php_ini_opened_path TSRMLS_CC);
if (fh.handle.fp) {
fh.filename = php_ini_opened_path;
}
}
}
if (free_ini_search_path) {
efree(php_ini_search_path);
}
PG(safe_mode) = safe_mode_state;
PG(open_basedir) = open_basedir;
if (fh.handle.fp) {
fh.type = ZEND_HANDLE_FP;
zend_parse_ini_file(&fh, 1, php_config_ini_parser_cb, &extension_lists);
{
zval tmp;
Z_STRLEN(tmp) = strlen(fh.filename);
Z_STRVAL(tmp) = zend_strndup(fh.filename, Z_STRLEN(tmp));
Z_TYPE(tmp) = IS_STRING;
zend_hash_update(&configuration_hash, "cfg_file_path", sizeof("cfg_file_path"), (void *) &tmp, sizeof(zval), NULL);
if (php_ini_opened_path) {
efree(php_ini_opened_path);
}
php_ini_opened_path = zend_strndup(Z_STRVAL(tmp), Z_STRLEN(tmp));
}
}
/* If the config_file_scan_dir is set at compile-time, go and scan this directory and
* parse any .ini files found in this directory. */
if (!sapi_module.php_ini_ignore && strlen(PHP_CONFIG_FILE_SCAN_DIR)) {
struct dirent **namelist;
int ndir, i;
if ((ndir = php_scandir(PHP_CONFIG_FILE_SCAN_DIR, &namelist, 0, php_alphasort)) > 0) {
for (i = 0; i < ndir; i++) {
/* check for a .ini extension */
if (!(p = strrchr(namelist[i]->d_name, '.')) || (p && strcmp(p, ".ini"))) {
free(namelist[i]);
continue;
}
snprintf(ini_file, MAXPATHLEN, "%s%c%s", PHP_CONFIG_FILE_SCAN_DIR, DEFAULT_SLASH, namelist[i]->d_name);
if (VCWD_STAT(ini_file, &sb) == 0) {
if (S_ISREG(sb.st_mode)) {
if ((fh.handle.fp = VCWD_FOPEN(ini_file, "r"))) {
fh.filename = ini_file;
fh.type = ZEND_HANDLE_FP;
zend_parse_ini_file(&fh, 1, php_config_ini_parser_cb, &extension_lists);
/* Here, add it to the list of ini files read */
l = strlen(ini_file);
total_l += l + 2;
p = estrndup(ini_file, l);
zend_llist_add_element(&scanned_ini_list, &p);
}
}
}
free(namelist[i]);
}
free(namelist);
/*
* Don't need an extra byte for the \0 in this malloc as the last
* element will not get a trailing , which gives us the byte for the \0
*/
if (total_l) {
php_ini_scanned_files = (char *) malloc(total_l);
*php_ini_scanned_files = '\0';
for (element = scanned_ini_list.head; element; element = element->next) {
strlcat(php_ini_scanned_files, *(char **)element->data, total_l);
strlcat(php_ini_scanned_files, element->next ? ",\n" : "\n", total_l);
}
}
zend_llist_destroy(&scanned_ini_list);
}
}
if (sapi_module.ini_entries) {
zend_parse_ini_string(sapi_module.ini_entries, 1, php_config_ini_parser_cb, &extension_lists);
}
return SUCCESS;
}
/* }}} */
/* {{{ php_shutdown_config
*/
int php_shutdown_config(void)
{
zend_hash_destroy(&configuration_hash);
if (php_ini_opened_path) {
free(php_ini_opened_path);
php_ini_opened_path = NULL;
}
if (php_ini_scanned_files) {
free(php_ini_scanned_files);
php_ini_scanned_files = NULL;
}
return SUCCESS;
}
/* }}} */
/* {{{ php_ini_register_extensions
*/
void php_ini_register_extensions(TSRMLS_D)
{
zend_llist_apply(&extension_lists.engine, php_load_zend_extension_cb TSRMLS_CC);
zend_llist_apply(&extension_lists.functions, php_load_function_extension_cb TSRMLS_CC);
zend_llist_destroy(&extension_lists.engine);
zend_llist_destroy(&extension_lists.functions);
}
/* }}} */
/* {{{ cfg_get_entry
*/
PHPAPI zval *cfg_get_entry(char *name, uint name_length)
{
zval *tmp;
if (zend_hash_find(&configuration_hash, name, name_length, (void **) &tmp) == SUCCESS) {
return tmp;
} else {
return NULL;
}
}
/* }}} */
/* {{{ cfg_get_long
*/
PHPAPI int cfg_get_long(char *varname, long *result)
{
zval *tmp, var;
if (zend_hash_find(&configuration_hash, varname, strlen(varname) + 1, (void **) &tmp) == FAILURE) {
*result = 0;
return FAILURE;
}
var = *tmp;
zval_copy_ctor(&var);
convert_to_long(&var);
*result = Z_LVAL(var);
return SUCCESS;
}
/* }}} */
/* {{{ cfg_get_double
*/
PHPAPI int cfg_get_double(char *varname, double *result)
{
zval *tmp, var;
if (zend_hash_find(&configuration_hash, varname, strlen(varname) + 1, (void **) &tmp) == FAILURE) {
*result = (double) 0;
return FAILURE;
}
var = *tmp;
zval_copy_ctor(&var);
convert_to_double(&var);
*result = Z_DVAL(var);
return SUCCESS;
}
/* }}} */
/* {{{ cfg_get_string
*/
PHPAPI int cfg_get_string(char *varname, char **result)
{
zval *tmp;
if (zend_hash_find(&configuration_hash, varname, strlen(varname)+1, (void **) &tmp) == FAILURE) {
*result = NULL;
return FAILURE;
}
*result = Z_STRVAL_P(tmp);
return SUCCESS;
}
/* }}} */
/*
* Local variables:
* tab-width: 4
* c-basic-offset: 4
* indent-tabs-mode: t
* End:
* vim600: sw=4 ts=4 fdm=marker
* vim<600: sw=4 ts=4
*/