/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#include "sd-device.h"
+
#include "alloc-util.h"
+#include "device-private.h"
#include "netif-naming-scheme.h"
#include "proc-cmdline.h"
#include "string-util.h"
#include "string-table.h"
-#ifdef _DEFAULT_NET_NAMING_SCHEME_TEST
-/* The primary purpose of this check is to verify that _DEFAULT_NET_NAMING_SCHEME_TEST
- * is a valid identifier. If an invalid name is given during configuration, this will
- * fail with a name error. */
-assert_cc(_DEFAULT_NET_NAMING_SCHEME_TEST >= 0);
-#endif
-
static const NamingScheme naming_schemes[] = {
{ "v238", NAMING_V238 },
{ "v239", NAMING_V239 },
};
DEFINE_STRING_TABLE_LOOKUP(alternative_names_policy, NamePolicy);
+
+static int naming_sysattr_allowed_by_default(sd_device *dev) {
+ int r;
+
+ assert(dev);
+
+ r = device_get_property_bool(dev, "ID_NET_NAME_ALLOW");
+ if (r == -ENOENT)
+ return true;
+
+ return r;
+}
+
+static int naming_sysattr_allowed(sd_device *dev, const char *sysattr) {
+ char *sysattr_property;
+ int r;
+
+ assert(dev);
+ assert(sysattr);
+
+ sysattr_property = strjoina("ID_NET_NAME_ALLOW_", sysattr);
+ ascii_strupper(sysattr_property);
+
+ r = device_get_property_bool(dev, sysattr_property);
+ if (r == -ENOENT)
+ /* If ID_NET_NAME_ALLOW is not set or set to 1 default is to allow */
+ return naming_sysattr_allowed_by_default(dev);
+
+ return r;
+}
+
+int device_get_sysattr_int_filtered(sd_device *device, const char *sysattr, int *ret_value) {
+ int r;
+
+ r = naming_sysattr_allowed(device, sysattr);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ return -ENOENT;
+
+ return device_get_sysattr_int(device, sysattr, ret_value);
+}
+
+int device_get_sysattr_unsigned_filtered(sd_device *device, const char *sysattr, unsigned *ret_value) {
+ int r;
+
+ r = naming_sysattr_allowed(device, sysattr);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ return -ENOENT;
+
+ return device_get_sysattr_unsigned(device, sysattr, ret_value);
+}
+
+int device_get_sysattr_bool_filtered(sd_device *device, const char *sysattr) {
+ int r;
+
+ r = naming_sysattr_allowed(device, sysattr);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ return -ENOENT;
+
+ return device_get_sysattr_bool(device, sysattr);
+}
+
+int device_get_sysattr_value_filtered(sd_device *device, const char *sysattr, const char **ret_value) {
+ int r;
+
+ r = naming_sysattr_allowed(device, sysattr);
+ if (r < 0)
+ return r;
+ if (r == 0)
+ return -ENOENT;
+
+ return sd_device_get_sysattr_value(device, sysattr, ret_value);
+}