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path: root/hw/9pfs/9p-local.c
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Diffstat (limited to 'hw/9pfs/9p-local.c')
-rw-r--r--hw/9pfs/9p-local.c26
1 files changed, 17 insertions, 9 deletions
diff --git a/hw/9pfs/9p-local.c b/hw/9pfs/9p-local.c
index 27ecbf6c5b..2cd3962b63 100644
--- a/hw/9pfs/9p-local.c
+++ b/hw/9pfs/9p-local.c
@@ -1160,23 +1160,31 @@ static int local_truncate(FsContext *ctx, V9fsPath *fs_path, off_t size)
static int local_chown(FsContext *fs_ctx, V9fsPath *fs_path, FsCred *credp)
{
- char *buffer;
+ char *dirpath = g_path_get_dirname(fs_path->data);
+ char *name = g_path_get_basename(fs_path->data);
int ret = -1;
- char *path = fs_path->data;
+ int dirfd;
+
+ dirfd = local_opendir_nofollow(fs_ctx, dirpath);
+ if (dirfd == -1) {
+ goto out;
+ }
if ((credp->fc_uid == -1 && credp->fc_gid == -1) ||
(fs_ctx->export_flags & V9FS_SM_PASSTHROUGH) ||
(fs_ctx->export_flags & V9FS_SM_NONE)) {
- buffer = rpath(fs_ctx, path);
- ret = lchown(buffer, credp->fc_uid, credp->fc_gid);
- g_free(buffer);
+ ret = fchownat(dirfd, name, credp->fc_uid, credp->fc_gid,
+ AT_SYMLINK_NOFOLLOW);
} else if (fs_ctx->export_flags & V9FS_SM_MAPPED) {
- buffer = rpath(fs_ctx, path);
- ret = local_set_xattr(buffer, credp);
- g_free(buffer);
+ ret = local_set_xattrat(dirfd, name, credp);
} else if (fs_ctx->export_flags & V9FS_SM_MAPPED_FILE) {
- return local_set_mapped_file_attr(fs_ctx, path, credp);
+ ret = local_set_mapped_file_attrat(dirfd, name, credp);
}
+
+ close_preserve_errno(dirfd);
+out:
+ g_free(name);
+ g_free(dirpath);
return ret;
}