Date: Thu, 29 Dec 2011 13:38:29 +0200 From: Kostik Belousov <kostikbel@gmail.com> To: Xin LI <delphij@gmail.com> Cc: kan@freebsd.org, arch@freebsd.org, des@freebsd.org Subject: Re: fdlopen(3) Message-ID: <20111229113829.GF50300@deviant.kiev.zoral.com.ua> In-Reply-To: <CAGMYy3u6v-Ypo_wJEqWWGgGUjoTr=Ctx6tn6VV4fWM4nTYonrQ@mail.gmail.com> References: <20111229084308.GD50300@deviant.kiev.zoral.com.ua> <CAGMYy3u6v-Ypo_wJEqWWGgGUjoTr=Ctx6tn6VV4fWM4nTYonrQ@mail.gmail.com>
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[-- Attachment #1 --] On Thu, Dec 29, 2011 at 03:15:09AM -0800, Xin LI wrote: > Hi, > > On Thu, Dec 29, 2011 at 12:43 AM, Kostik Belousov <kostikbel@gmail.com> wrote: > > Hello, > > below is the patch to add fdlopen(3) function to rtld. It allows to load > > shared object referenced by the opened file descriptor. Intent is to allow > > the caller to do some additional checks on the object before committing > > to load it, in race-free manner. > > > > The facility was requested by des@, who also tested the patch. > > > > I will commit this shortly unless somebody objects. > > Will this prevent e.g. writes to the .so file after open, but before fdlopen()? How can it ? Even in theory ? [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.18 (FreeBSD) iEYEARECAAYFAk78UTUACgkQC3+MBN1Mb4hM4gCgmsfNZYsBJfDhb/99S3E6lrZi SwwAn24CEu9AFTyhdNjkr0spYFrJ64L0 =WUjy -----END PGP SIGNATURE-----home | help
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