From: Jeff King <peff@peff.net>
To: Brandon Casey <casey@nrlssc.navy.mil>
Cc: Thomas Jarosch <thomas.jarosch@intra2net.com>,
Junio C Hamano <gitster@pobox.com>,
Nguyen Thai Ngoc Duy <pclouds@gmail.com>,
Johannes Sixt <j.sixt@viscovery.net>,
git@vger.kernel.org
Subject: Re: [PATCH] setup_revisions(): do not access outside argv
Date: Fri, 22 May 2009 11:34:26 -0400 [thread overview]
Message-ID: <20090522153426.GA10390@coredump.intra.peff.net> (raw)
In-Reply-To: <Ys7Cih8N_SClhy9WmlLefLAxz2_XjZb3KAO1jrRMNrMcLq4T98MuIA@cipher.nrlssc.navy.mil>
On Fri, May 22, 2009 at 10:33:22AM -0500, Brandon Casey wrote:
> > if (S_ISLNK(st.st_mode)) {
> > - int ret;
> > - char buf[PATH_MAX + 1]; /* ought to be SYMLINK_MAX */
> > - ret = readlink(name, buf, sizeof(buf));
> > - if (ret < 0)
> > + struct strbuf sb = STRBUF_INIT;
> > + if (strbuf_readlink(&sb, name, st.st_size) < 0)
> > die("readlink(%s)", name);
> > - if (ret == sizeof(buf))
> > - die("symlink too long: %s", name);
> > - prep_temp_blob(name, temp, buf, ret,
> > + prep_temp_blob(name, temp, sb.buf, sb.len,
> > (one->sha1_valid ?
> > one->sha1 : null_sha1),
> > (one->sha1_valid ?
>
> Don't you need to strbuf_release() ?
Urgh, yes, of course. Thanks for noticing.
-Peff
next prev parent reply other threads:[~2009-05-22 15:34 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-20 8:08 [PATCH] setup_revisions(): do not access outside argv Nguyễn Thái Ngọc Duy
2009-05-20 8:15 ` Johannes Sixt
2009-05-20 8:23 ` Nguyen Thai Ngoc Duy
2009-05-21 1:58 ` Junio C Hamano
2009-05-21 2:38 ` Miles Bader
2009-05-21 2:41 ` Nguyen Thai Ngoc Duy
2009-05-21 4:18 ` Jeff King
2009-05-21 18:02 ` Thomas Jarosch
2009-05-22 7:56 ` Jeff King
2009-05-22 8:02 ` Jeff King
2009-05-22 14:23 ` Thomas Jarosch
2009-05-22 15:33 ` Brandon Casey
2009-05-22 15:34 ` Jeff King [this message]
2009-05-25 10:46 ` [PATCH] convert bare readlink to strbuf_readlink Jeff King
2009-05-25 22:23 ` Junio C Hamano
[not found] ` <20090602195605.6117@nanako3.lavabit.com>
2009-06-02 13:57 ` [PATCH] setup_revisions(): do not access outside argv Jeff King
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