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preserve 'sticky bit' on 'add/change' events

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This commit is contained in:
Kay Sievers
2011-08-14 19:04:16 +02:00
parent 38f6aefc47
commit b3e44c5291
1 changed files with 3 additions and 1 deletions
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udev/udev-node.c
+3 -1
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@@ -52,7 +52,9 @@ int udev_node_mknod(struct udev_device *dev, const char *file, mode_t mode, uid_
if (lstat(file, &stats) == 0) {
if (((stats.st_mode & S_IFMT) == (mode & S_IFMT)) && (stats.st_rdev == devnum)) {
info(udev, "preserve file '%s', because it has correct dev_t\n", file);
if (stats.st_mode != mode || stats.st_uid != uid || stats.st_gid != gid) {
if ((stats.st_mode & 0777) != (mode & 0777) || stats.st_uid != uid || stats.st_gid != gid) {
/* preserve 'sticky' bit, if already set */
mode |= stats.st_mode & 01000;
info(udev, "set permissions %s, %#o, uid=%u, gid=%u\n", file, mode, uid, gid);
chmod(file, mode);
chown(file, uid, gid);