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udev: only network interface can be renamed

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This commit is contained in:
Yu Watanabe
2021-06-23 16:02:43 +09:00
parent e1ecfef16f
commit d37f3e3ec5
1 changed files with 7 additions and 8 deletions
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src/udev/udev-rules.c
+7 -8
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@@ -2053,6 +2053,13 @@ static int udev_rule_apply_token_to_event(
if (token->op == OP_ASSIGN_FINAL)
event->name_final = true;
if (sd_device_get_ifindex(dev, NULL) < 0) {
log_rule_error(dev, rules,
"Only network interface can be renamed, ignoring NAME=\"%s\"; please fix it.",
token->value);
break;
}
(void) udev_event_apply_format(event, token->value, buf, sizeof(buf), false);
if (IN_SET(event->esc, ESCAPE_UNSET, ESCAPE_REPLACE)) {
count = udev_replace_chars(buf, "/");
@@ -2060,14 +2067,6 @@ static int udev_rule_apply_token_to_event(
log_rule_debug(dev, rules, "Replaced %zu character(s) from result of NAME=\"%s\"",
count, token->value);
}
if (sd_device_get_devnum(dev, NULL) >= 0 &&
(sd_device_get_devname(dev, &val) < 0 ||
!streq_ptr(buf, path_startswith(val, "/dev/")))) {
log_rule_error(dev, rules,
"Kernel device nodes cannot be renamed, ignoring NAME=\"%s\"; please fix it.",
token->value);
break;
}
r = free_and_strdup_warn(&event->name, buf);
if (r < 0)
return r;