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repart: Initialize root directory metadata correctly

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Let's make sure we copy the root directory metadata from an
appropriate source directory.
This commit is contained in:
Daan De Meyer 2023-02-14 11:19:43 +01:00
parent 1eb86ddde4
commit 3e45146021
1 changed files with 25 additions and 0 deletions
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25
src/partition/repart.c
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@ -3752,6 +3752,31 @@ static int do_copy_files(Partition *p, const char *root, const Set *denylist) {
assert(p);
assert(root);
/* copy_tree_at() automatically copies the permissions of source directories to target directories if
* it created them. However, the root directory is created by us, so we have to manually take care
* that it is initialized. We use the first source directory targeting "/" as the metadata source for
* the root directory. */
STRV_FOREACH_PAIR(source, target, p->copy_files) {
_cleanup_close_ int rfd = -EBADF, sfd = -EBADF;
if (!path_equal(*target, "/"))
continue;
rfd = open(root, O_DIRECTORY|O_CLOEXEC|O_NOFOLLOW);
if (rfd < 0)
return rfd;
sfd = chase_symlinks_and_open(*source, arg_root, CHASE_PREFIX_ROOT, O_PATH|O_DIRECTORY|O_CLOEXEC|O_NOCTTY, NULL);
if (sfd < 0)
return log_error_errno(sfd, "Failed to open source file '%s%s': %m", strempty(arg_root), *source);
(void) copy_xattr(sfd, NULL, rfd, NULL, COPY_ALL_XATTRS);
(void) copy_access(sfd, rfd);
(void) copy_times(sfd, rfd, 0);
break;
}
STRV_FOREACH_PAIR(source, target, p->copy_files) {
_cleanup_close_ int sfd = -EBADF, pfd = -EBADF, tfd = -EBADF;