linux-kernel - Re: statx(2) API and documentation

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <878t2wb4dr.fsf@mid.deneb.enyo.de>
Date:   Thu, 18 Oct 2018 00:22:08 +0200
From:   Florian Weimer <fw@...eb.enyo.de>
To:     Andreas Dilger <adilger@...ger.ca>
Cc:     Miklos Szeredi <miklos@...redi.hu>,
        Michael Kerrisk <mtk.manpages@...il.com>,
        David Howells <dhowells@...hat.com>,
        Linux FS-devel Mailing List <linux-fsdevel@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux API <linux-api@...r.kernel.org>
Subject: Re: statx(2) API and documentation

* Andreas Dilger:

>> So what's the point exactly?
>
> Ah, I see your point...  STATX_ALL seems to be mostly useful for the kernel
> to mask off flags that it doesn't currently understand.  It doesn't make
> much sense for applications to specify STATX_ALL, since they don't have any
> way to know what each flag means unless they are hard-coded to check each of
> the STATX_* flags individually.  They should build up a mask of STATX_* flags
> based on what they care about (e.g. "find" should only request attributes
> based on the command-line options given).

Could you remove it from the UAPI header?  I didn't want to put it
into the glibc header, but was overruled.