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libpriv/passwd: Use GLNX_FILE_COPY_NOXATTRS

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Prep for unified core work. This was failing due to a bug in libglnx
<https://github.com/GNOME/libglnx/pull/80> but I think this change is also
correct. There's no good reason for us to copy xattrs like the SELinux label
here - rather we want the labels to be reset during commit.

I did a tree-wide grep for other users and the only other case that is odd is
the treecompose `add-files`; I'd say we should change this but out of (a likely
excess of) conservatism I just left a "FIXME" for now.

Closes: #1008
Approved by: jlebon
This commit is contained in:
Colin Walters 2017-09-11 17:44:51 -04:00 committed by Atomic Bot
parent c10a45aa5e
commit 5eab29846a
2 changed files with 10 additions and 3 deletions
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10
src/libpriv/rpmostree-passwd-util.c
View File

@ -1081,14 +1081,17 @@ rpmostree_passwd_prepare_rpm_layering (int rootfs_dfd,
/* Copy /usr/lib/{passwd,group} -> /usr/etc (breaking hardlinks) */
if (!glnx_file_copy_at (rootfs_dfd, usrlibfile, NULL,
rootfs_dfd, usretcfile, 0, cancellable, error))
rootfs_dfd, usretcfile,
GLNX_FILE_COPY_NOXATTRS,
cancellable, error))
return FALSE;
/* Copy the merge's passwd/group to usr/lib (breaking hardlinks) */
if (!glnx_file_copy_at (AT_FDCWD,
glnx_strjoina (merge_passwd_dir, "/", file), NULL,
rootfs_dfd, usrlibfiletmp,
GLNX_FILE_COPY_OVERWRITE, cancellable, error))
GLNX_FILE_COPY_OVERWRITE | GLNX_FILE_COPY_NOXATTRS,
cancellable, error))
return FALSE;
if (!glnx_renameat (rootfs_dfd, usrlibfiletmp, rootfs_dfd, usrlibfile, error))
@ -1113,7 +1116,8 @@ rpmostree_passwd_prepare_rpm_layering (int rootfs_dfd,
}
if (!glnx_file_copy_at (rootfs_dfd, src, NULL,
rootfs_dfd, tmp, GLNX_FILE_COPY_OVERWRITE,
rootfs_dfd, tmp,
GLNX_FILE_COPY_OVERWRITE | GLNX_FILE_COPY_NOXATTRS,
cancellable, error))
return FALSE;
if (!glnx_renameat (rootfs_dfd, tmp, rootfs_dfd, src, error))

3
src/libpriv/rpmostree-postprocess.c
View File

@ -1281,6 +1281,9 @@ rpmostree_copy_additional_files (int rootfs_dfd,
if (!glnx_shutil_mkdir_p_at (rootfs_dfd, dn, 0755, cancellable, error))
return FALSE;
/* FIXME: Should probably use GLNX_FILE_COPY_NOXATTRS, but someone
* may be relying on current semantics?
*/
if (!glnx_file_copy_at (context_dfd, src, NULL, rootfs_dfd, dest, 0,
cancellable, error))
return glnx_prefix_error (error, "Copying file '%s' into target", src);