MF5: fix for access control with .htaccess

Zend/zend_ini.h

@@ -190,6 +190,7 @@ END_EXTERN_C()
 #define ZEND_INI_STAGE_ACTIVATE		(1<<2)
 #define ZEND_INI_STAGE_DEACTIVATE	(1<<3)
 #define ZEND_INI_STAGE_RUNTIME		(1<<4)
+#define ZEND_INI_STAGE_HTACCESS		(1<<5)
 
 /* INI parsing engine */
 typedef void (*zend_ini_parser_cb_t)(zval *arg1, zval *arg2, int callback_type, void *arg);

ext/session/mod_files.c

@@ -313,10 +313,6 @@ PS_OPEN_FUNC(files)
 	}
 	save_path = argv[argc - 1];
 
-	if (PG(open_basedir) && php_check_open_basedir(save_path TSRMLS_CC)) {
-		return FAILURE;
-	}
-
 	data = ecalloc(1, sizeof(*data));
 	
 	data->fd = -1;

ext/session/session.c

@@ -542,7 +542,7 @@ static PHP_INI_MH(OnUpdateSerializer)
 static PHP_INI_MH(OnUpdateSaveDir)
 {
 	/* Only do the safemode/open_basedir check at runtime */
-	if (stage == PHP_INI_STAGE_RUNTIME) {
+	if (stage == PHP_INI_STAGE_RUNTIME || stage == PHP_INI_STAGE_HTACCESS) {
  		char *p;
 
 		if (memchr(new_value, '\0', new_value_length) != NULL) {

main/main.c

@@ -416,6 +416,24 @@ static PHP_INI_DISP(display_errors_mode)
 }
 /* }}} */
 
+/* {{{ PHP_INI_MH
+ */
+static PHP_INI_MH(OnUpdateErrorLog)
+{
+	/* Only do the safemode/open_basedir check at runtime */
+	if ((stage == PHP_INI_STAGE_RUNTIME || stage == PHP_INI_STAGE_HTACCESS) &&
+		strcmp(new_value, "syslog")) {
+
+		if (PG(open_basedir) && php_check_open_basedir(new_value TSRMLS_CC)) {
+			return FAILURE;
+		}
+
+	}
+	OnUpdateString(entry, new_value, new_value_length, mh_arg1, mh_arg2, mh_arg3, stage TSRMLS_CC);
+	return SUCCESS;
+}
+/* }}} */
+
 /*
  * Need to be read from the environment (?):
  * PHP_AUTO_PREPEND_FILE
@@ -481,7 +499,7 @@ PHP_INI_BEGIN()
 	STD_PHP_INI_ENTRY("default_charset",		SAPI_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,	OnUpdateDefaultMimetype,			default_mimetype,		sapi_globals_struct,sapi_globals)
 	ZEND_INI_ENTRY("unicode.output_encoding",  NULL, ZEND_INI_ALL, OnUpdateOutputEncoding)
-	STD_PHP_INI_ENTRY("error_log",				NULL,		PHP_INI_ALL,		OnUpdateString,			error_log,				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("extension_dir",			PHP_EXTENSION_DIR,		PHP_INI_SYSTEM,		OnUpdateStringUnempty,	extension_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)

main/php_ini.h

@@ -65,6 +65,7 @@ END_EXTERN_C()
 #define PHP_INI_STAGE_ACTIVATE		ZEND_INI_STAGE_ACTIVATE
 #define PHP_INI_STAGE_DEACTIVATE	ZEND_INI_STAGE_DEACTIVATE
 #define PHP_INI_STAGE_RUNTIME		ZEND_INI_STAGE_RUNTIME
+#define PHP_INI_STAGE_HTACCESS		ZEND_INI_STAGE_HTACCESS
 
 #define php_ini_boolean_displayer_cb	zend_ini_boolean_displayer_cb
 #define php_ini_color_displayer_cb		zend_ini_color_displayer_cb

sapi/apache/mod_php.c

@@ -76,6 +76,7 @@ typedef struct _php_per_dir_entry {
 	uint key_length;
 	uint value_length;
 	int type;
+    char htaccess;
 } php_per_dir_entry;
 
 /* some systems are missing these from their header files */
@@ -540,7 +541,7 @@ static void init_request_info(TSRMLS_D)
  */
 static int php_apache_alter_ini_entries(php_per_dir_entry *per_dir_entry TSRMLS_DC)
 {
-	zend_alter_ini_entry(per_dir_entry->key, per_dir_entry->key_length+1, per_dir_entry->value, per_dir_entry->value_length, per_dir_entry->type, PHP_INI_STAGE_ACTIVATE);
+	zend_alter_ini_entry(per_dir_entry->key, per_dir_entry->key_length+1, per_dir_entry->value, per_dir_entry->value_length, per_dir_entry->type, data->htaccess?PHP_INI_STAGE_HTACCESS:PHP_INI_STAGE_ACTIVATE);
 	return 0;
 }
 /* }}} */
@@ -776,6 +777,7 @@ static CONST_PREFIX char *php_apache_value_handler_ex(cmd_parms *cmd, HashTable
 		php_apache_startup(&apache_sapi_module);
 	}
 	per_dir_entry.type = mode;
+	per_dir_entry.htaccess = ((cmd->override & (RSRC_CONF|ACCESS_CONF)) == 0);
 
 	if (strcasecmp(arg2, "none") == 0) {
 		arg2 = "";

sapi/apache2handler/apache_config.c

@@ -51,6 +51,7 @@ typedef struct {
 	char *value;
 	size_t value_len;
 	char status;
+    char htaccess;
 } php_dir_entry;
 
 static const char *real_value_hnd(cmd_parms *cmd, void *dummy, const char *name, const char *value, int status)
@@ -67,7 +68,8 @@ static const char *real_value_hnd(cmd_parms *cmd, void *dummy, const char *name,
 	e.value = apr_pstrdup(cmd->pool, value);
 	e.value_len = strlen(value);
 	e.status = status;
-	
+	e.htaccess = ((cmd->override & (RSRC_CONF|ACCESS_CONF)) == 0);
+
 	zend_hash_update(&d->config, (char *) name, strlen(name) + 1, &e, sizeof(e), NULL);
 	return NULL;
 }
@@ -170,7 +172,7 @@ void apply_config(void *dummy)
 			zend_hash_move_forward(&d->config)) {
 		zend_hash_get_current_data(&d->config, (void **) &data);
 		phpapdebug((stderr, "APPLYING (%s)(%s)\n", str.s, data->value));
-		if (zend_alter_ini_entry(str.s, str_len, data->value, data->value_len, data->status, PHP_INI_STAGE_ACTIVATE) == FAILURE) {
+		if (zend_alter_ini_entry(str, str_len, data->value, data->value_len, data->status, data->htaccess?PHP_INI_STAGE_HTACCESS:PHP_INI_STAGE_ACTIVATE) == FAILURE) {
 			phpapdebug((stderr, "..FAILED\n"));
 		}	
 	}