Re: [libvirt] [PATCH 3/4] security: avoid use of dirent d_type field

The d_type field cannot be assumed to be filled. Some filesystems, such as older XFS, will simply report DT_UNKNOWN. Even if the d_type is filled in, the use of it in the SELinux functions is dubious. If labelling all files in a directory there's no reason to skip things which are not regular files. We merely need to skip "." and "..", which is done by virDirRead() already. Signed-off-by: Daniel P. Berrangé <berrange(a)redhat.com&gt; --- src/security/security_selinux.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/src/security/security_selinux.c b/src/security/security_selinux.c index 2fceb547b4..3611bb8ebe 100644 --- a/src/security/security_selinux.c +++ b/src/security/security_selinux.c @@ -3282,9 +3282,6 @@ virSecuritySELinuxSetFileLabels(virSecurityManagerPtr mgr, return -1; while ((ret = virDirRead(dir, &ent, path)) > 0) { - if (ent->d_type != DT_REG) - continue; - if (virAsprintf(&filename, "%s/%s", path, ent->d_name) < 0) { ret = -1; break; @@ -3334,7 +3331,8 @@ virSecuritySELinuxRestoreFileLabels(virSecurityManagerPtr mgr, return -1; while ((ret = virDirRead(dir, &ent, path)) > 0) { - if (ent->d_type != DT_REG) + if (STREQ(ent->d_name, ".") || + STREQ(ent->d_name, "..")) > continue;

if (virAsprintf(&filename, "%s/%s", path, ent->d_name) < 0) {