Rename everything to realpath_turbo

Closes: #7

README.md

@@ -19,7 +19,7 @@ workaround:
 ## How *realpath_turbo* works
 
 1. Instead of setting `open_basedir` you will set
-   `realpath_cache_basedir`.
+   `realpath_turbo.open_basedir`.
 
    Because now `open_basedir` isn't set, PHP will **not** deactivate the
    realpath cache.
@@ -45,28 +45,29 @@ workaround:
    # make install
    ```
 
-3. Adjust your `php.ini` to load and configure *turbo_realpath* extension.
+3. Adjust your `php.ini` to load and configure *realpath_turbo* extension.
 
 
 ## Configuration
 
 ```ini
 ; you have to load the extension first
-extension=turbo_realpath.so
+extension=realpath_turbo.so
 
-; realpath_turbo security mode
+; Disable dangerous functions (see the warning in the README file for
+; details).
 ; Possible values:
 ;   0 - Ignore potential security issues
 ;   1 - Disable dangerous PHP functions (link,symlink)
-realpath_cache_security = 1
+realpath_turbo.disable_dangerous_functions = 1
 
-; Set realpath_cache_basedir to whatever you want to set open_basedir to
-realpath_cache_basedir = "/var/www/html/drupal:/usr/share/php"
+; Set realpath_turbo.open_basedir to whatever you want to set open_basedir to
+realpath_turbo.open_basedir = "/var/www/html/drupal:/usr/share/php"
 
 ; Disable PHP's open_basedir directive so that the realpath cache won't be
 ; disabled.
-; Remember, turbo_realpath will set this option later to the
-; realpath_cache_basedir value.
+; Remember, realpath_turbo will set this option later to the
+; realpath_turbo.open_basedir value.
 open_basedir = ""
 ```
 

config.m4

@@ -1,7 +1,7 @@
-PHP_ARG_ENABLE(turbo_realpath, whether to enable turbo realpath module,
-[ --enable-turbo-realpath   Enable turbo realpath module])
+PHP_ARG_ENABLE(realpath_turbo, whether to enable realpath_turbo module,
+[ --enable-realpath_turbo   Enable realpath_turbo module])
 
-if test "$PHP_TURBO_REALPATH" = "yes"; then
-	AC_DEFINE(HAVE_TURBO_REALPATH, 1, [Whether you have turbo realpath module])
-	PHP_NEW_EXTENSION(turbo_realpath, turbo_realpath.c, $ext_shared)
+if test "$PHP_REALPATH_TURBO" = "yes"; then
+	AC_DEFINE(HAVE_REALPATH_TURBO, 1, [Whether you have realpath_turbo module])
+	PHP_NEW_EXTENSION(realpath_turbo, realpath_turbo.c, $ext_shared)
 fi

realpath_turbo.c

@@ -0,0 +1,116 @@
+#include "realpath_turbo.h"
+#include "php_ini.h"
+#include "ext/standard/info.h"
+
+static zend_function_entry realpath_turbo_functions[] = {
+	{NULL, NULL, NULL}
+};
+
+zend_module_entry realpath_turbo_module_entry = {
+#if ZEND_MODULE_API_NO >= 20010901
+	STANDARD_MODULE_HEADER,
+#endif
+	PHP_REALPATH_TURBO_EXTNAME,
+	realpath_turbo_functions,
+	PHP_MINIT(realpath_turbo),
+	PHP_MSHUTDOWN(realpath_turbo),
+	PHP_RINIT(realpath_turbo),
+	NULL,
+	PHP_MINFO(realpath_turbo),
+#if ZEND_MODULE_API_NO >= 20010901
+	PHP_REALPATH_TURBO_VERSION,
+#endif
+	STANDARD_MODULE_PROPERTIES
+};
+
+ZEND_GET_MODULE(realpath_turbo)
+
+PHP_INI_BEGIN()
+	PHP_INI_ENTRY("realpath_turbo.open_basedir",   "", PHP_INI_SYSTEM, NULL)
+#if (PHP_MAJOR_VERSION == 5) && (PHP_MINOR_VERSION < 4)
+	PHP_INI_ENTRY("realpath_turbo.safe_mode", "", PHP_INI_SYSTEM, NULL)
+#endif
+	PHP_INI_ENTRY("realpath_turbo.disable_dangerous_functions",  "1", PHP_INI_SYSTEM, NULL)
+PHP_INI_END()
+
+PHP_RINIT_FUNCTION(realpath_turbo)
+{
+	char *basedir = INI_STR("realpath_turbo.open_basedir");
+#if (PHP_MAJOR_VERSION == 5) && (PHP_MINOR_VERSION < 4)
+	char *safe_mode = INI_STR("realpath_turbo.safe_mode");
+#endif
+	char *disabled_functions = INI_STR("disable_functions");
+	char *risky_functions = "link,symlink";
+	char *new_functions;
+	int security = INI_INT("realpath_turbo.disable_dangerous_functions");
+#if PHP_MAJOR_VERSION >= 7
+	zend_string *ini_name, *ini_value;
+#endif
+
+	if(strlen(basedir) > 0) {
+#if PHP_MAJOR_VERSION < 7
+		zend_alter_ini_entry("open_basedir", sizeof("open_basedir"), basedir, strlen(basedir), PHP_INI_SYSTEM, PHP_INI_STAGE_ACTIVATE);
+#else
+		ini_name  = zend_string_init(ZEND_STRL("open_basedir"), 0);
+		ini_value = zend_string_init(basedir, strlen(basedir), 0);
+
+		zend_alter_ini_entry(ini_name, ini_value, PHP_INI_SYSTEM, PHP_INI_STAGE_ACTIVATE);
+		zend_string_release(ini_name);
+		zend_string_release(ini_value);
+#endif
+	}
+
+#if (PHP_MAJOR_VERSION == 5) && (PHP_MINOR_VERSION < 4)
+	if(strlen(safe_mode) > 0) {
+		zend_alter_ini_entry("safe_mode", sizeof("safe_mode"), safe_mode, strlen(safe_mode), PHP_INI_SYSTEM, PHP_INI_STAGE_ACTIVATE);
+	}
+#endif
+
+	if (security) {
+		// check disabled functions for symlink and link entries
+		if(strlen(disabled_functions) > 0) {
+			new_functions = emalloc(strlen(disabled_functions) + strlen(risky_functions) + 2);
+			strcpy(new_functions, risky_functions);
+			strcat(new_functions, ",");
+			strcat(new_functions, disabled_functions);
+		} else {
+			new_functions = emalloc(strlen(risky_functions) + 1);
+			strcpy(new_functions, risky_functions);
+		}
+#if PHP_MAJOR_VERSION < 7
+		zend_alter_ini_entry("disable_functions", sizeof("disable_functions"), new_functions, strlen(new_functions), PHP_INI_SYSTEM, PHP_INI_STAGE_ACTIVATE);
+#else
+		ini_name   = zend_string_init(ZEND_STRL("disable_functions"), 0);
+		ini_value  = zend_string_init(new_functions, strlen(new_functions), 0);
+
+		zend_alter_ini_entry(ini_name, ini_value, PHP_INI_SYSTEM, PHP_INI_STAGE_ACTIVATE);
+		zend_string_release(ini_name);
+		zend_string_release(ini_value);
+#endif
+		efree(new_functions);
+	}
+}
+
+PHP_MINIT_FUNCTION(realpath_turbo)
+{
+	REGISTER_INI_ENTRIES();
+	return SUCCESS;
+}
+
+PHP_MSHUTDOWN_FUNCTION(realpath_turbo)
+{
+	UNREGISTER_INI_ENTRIES();
+	return SUCCESS;
+}
+
+PHP_MINFO_FUNCTION(realpath_turbo)
+{
+	php_info_print_table_start();
+	php_info_print_table_header(2, "realpath_turbo support", "enabled");
+	php_info_print_table_row(2, "Version", PHP_REALPATH_TURBO_VERSION);
+	php_info_print_table_row(2, "Build Date", __DATE__ " " __TIME__);
+	php_info_print_table_row(2, "Creator", "Artur Graniszewski");
+	php_info_print_table_end();
+
+	DISPLAY_INI_ENTRIES();
+}

realpath_turbo.h

@@ -0,0 +1,25 @@
+#ifndef PHP_REALPATH_TURBO_H
+#define PHP_REALPATH_TURBO_H
+
+#include "php.h"
+#include "main/php_config.h"
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#define PHP_REALPATH_TURBO_VERSION "2.0.0 Beta 1"
+#define PHP_REALPATH_TURBO_EXTNAME "realpath_turbo"
+
+PHP_RINIT_FUNCTION(realpath_turbo);
+PHP_MINIT_FUNCTION(realpath_turbo);
+
+PHP_MINFO_FUNCTION(realpath_turbo);
+PHP_MSHUTDOWN_FUNCTION(realpath_turbo);
+
+PHP_FUNCTION(realpath_turbo);
+
+extern zend_module_entry realpath_turbo_module_entry;
+#define phpext_realpath_turbo_ptr &realpath_turbo_module_entry
+
+#endif