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udev: do not allow to change the DEVPATH of a device

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Kay Sievers
2013-10-30 01:58:26 +01:00
parent e0221a35c8
commit 0aa5b4d1f7
1 changed files with 5 additions and 15 deletions
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src/udev/udev-rules.c
+5 -15
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@@ -551,6 +551,7 @@ static int import_property_from_string(struct udev_device *dev, char *line)
char *key;
char *val;
size_t len;
struct udev_list_entry *entry;
/* find key */
key = line;
@@ -601,22 +602,11 @@ static int import_property_from_string(struct udev_device *dev, char *line)
val++;
}
/* handle device, renamed by external tool, returning new path */
if (streq(key, "DEVPATH")) {
char syspath[UTIL_PATH_SIZE];
entry = udev_device_add_property(dev, key, val);
/* store in db, skip private keys */
if (key[0] != '.')
udev_list_entry_set_num(entry, true);
log_debug("updating devpath from '%s' to '%s'\n",
udev_device_get_devpath(dev), val);
strscpyl(syspath, sizeof(syspath), "/sys", val, NULL);
udev_device_set_syspath(dev, syspath);
} else {
struct udev_list_entry *entry;
entry = udev_device_add_property(dev, key, val);
/* store in db, skip private keys */
if (key[0] != '.')
udev_list_entry_set_num(entry, true);
}
return 0;
}