From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Lamparter Subject: Re: Identifying network namespaces (was: Network namespace manipulation with file descriptors) Date: Wed, 18 May 2011 15:33:52 +0200 Message-ID: <20110518133352.GE3762520@jupiter.n2.diac24.net> References: <20110518124307.GD3762520@jupiter.n2.diac24.net> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Cc: linux-arch-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Linux Containers , "Eric W. Biederman" , linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, David Lamparter To: Alexey Dobriyan Return-path: Content-Disposition: inline In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: containers-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: containers-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org List-Id: netdev.vger.kernel.org T24gV2VkLCBNYXkgMTgsIDIwMTEgYXQgMDQ6MDM6MDNQTSArMDMwMCwgQWxleGV5IERvYnJpeWFu IHdyb3RlOgo+IE9uIFdlZCwgTWF5IDE4LCAyMDExIGF0IDM6NDMgUE0sIERhdmlkIExhbXBhcnRl ciA8ZXF1aW5veEBkaWFjMjQubmV0PiB3cm90ZToKPiA+IC0gwqAgcHJvY2Vzc2VzIGNhbm5vdCBl YXNpbHkgYmUgY3Jvc3MgcmVmZXJlbmNlZCB3aXRoIGVhY2ggb3RoZXIKPiA+Cj4gPiDCoGluIHRo ZSBjYXNlIG9mIHVzZXIgc3BhY2Ugc3R1ZmYgcnVubmluZyBhc3RyYXkgLSBsaWtlIG1hbmFnZW1l bnQKPiA+IMKgc29mdHdhcmUgY3Jhc2hpbmcsIHJvdXRpbmcgZGFlbW9ucyBzY3Jld2luZyB1cCwg ZXRjLiAtIGl0IGJlY29tZXMKPiA+IMKgZmFpcmx5IGRpZmZpY3VsdCB0byBzaHV0IGRvd24gYSBu ZXR3b3JrIG5hbWVzcGFjZSAob3IgZXZlbiByZWFxdWlyZQo+ID4gwqBwaHlzaWNhbCBkZXZpY2Vz IHRoYXQgaGF2ZSBiZWVuIHJlYXNzaWduZWQpCj4gCj4gSXQgc2h1dGRvd25zIGl0c2VsZiB3aGVu IGxhc3QgcHJvY2VzcyB1c2luZyBuZXRucyBkaXNhcHBlYXJlcywKPiBzbyBpZiB5b3Uga2lsbCB5 b3VyIHJvdXRpbmcgZGFlbW9ucyB5b3Ugc2hvdWxkIGJlIGZpbmUuCj4gUGh5c2ljYWwgbmV0ZGV2 aWNlcyBhcmUgbW92ZWQgdG8gaW5pdF9uZXQuCgpOb3cgYXNzdW1lIEknbSBydW5uaW5nIHBwdHBk LCB3aGljaCBmb3JrcyBhIG5ldyBwcHBkIGZvciBlYWNoCmNvbm5lY3Rpb24uIEV2ZW4gaWYgSSBr aWxsIHBwdHBkLCB0aGUgcHBwZCBrZWVwcyBydW5uaW5nLi4uIG5vdyBob3cgZG8gSQpmaW5kIHRo ZSBwcHBkcyB0aGF0IGJlbG9uZyB0byB0aGF0IG9uZSBuYW1lc3BhY2UgdGhhdCBJJ20gdHJ5aW5n IHRvCmdldCByaWQgb2Y/Cgo+ID4gLSDCoCBuYW1lc3BhY2VzIGNhbm5vdCBhZGVxdWF0ZWx5IGJl IGlkZW50aWZpZWQgdG8gdGhlIHVzZXIKPiA+Cj4gPiDCoGZvciBkZWJ1Z2dpbmcsIHNvbWUga2Vy bmVsIG1lc3NhZ2VzIGJlY29tZSB1c2VsZXNzLiBtb3N0IHByb21pbmVudGx5LAo+ID4gwqAidW5y ZWdpc3Rlcl9uZXRkZXZpY2U6IHdhaXRpbmcgZm9yIGxvIHRvIGJlY29tZSBmcmVlLiBVc2FnZSBj b3VudCA9IDEyMyIKPiA+IMKgY291bGQgY2VydGFpbmx5IHVzZSBzb21lIGNsYXJpZmljYXRpb24s ICp3aGljaCogbG8gaXMgbWVhbnQuLi4KPiAKPiBUaGVyZSBpcyBubyAibmV0bnMgJXAiIG9yIHNv bWV0aGluZywgYmVjYXVzZSByaWdodCBub3cgdGhlIG9ubHkgdW5pcXVlCj4gbmV0bnMgaWRlbnRp ZmllciBpcyBrZXJuZWwgcG9pbnRlciAod2hpY2ggYmV0dGVyIG5vdCBiZSBleHBvc2VkIHRvIHVz ZXJzcGFjZSkuCj4gUHJpbnRpbmcgc3VjaCB0aGluZyB3b3VsZCBiZSBxdWl0ZSB1c2VsZXNzIHNp bmNlIGl0J3Mgbm90IHByaW50ZWQKPiBhdCBuZXRucyBjcmVhdGlvbi4KCkkgYWdyZWUgcHJpbnRp bmcgdGhlIGtlcm5lbCBwb2ludGVyIGlzIHBvaW50LWxlc3MuCgo+ID4gU28sIGNvbnNpZGVyaW5n IHRoaXMgc2V0IG9mIHByZW1pc2VzIChmZWVkYmFjayB3ZWxjb21lKSBJIGxvb2tlZCBmb3IKPiA+ IHNvbWUgc3VpdGFibGUgbWVhbnMgb2YgaWRlbnRpZmljYXRpb24uIEkgZGlzY2FyZGVkIGdvaW5n IGZvciBhbnkgcHJvY2Vzcwo+ID4gaWRlbnRpZmllcnMgc2luY2UgRXJpYydzIHBhdGNoZXMgYWxs b3cgZm9yIG5ldHdvcmsgbmFtZXNwYWNlcyB3aXRob3V0Cj4gPiBhbnkgcHJvY2VzcyBob2xkaW5n IGEgcmVmZXJlbmNlLCB1c2luZyBiaW5kIG1vdW50cyBpbnN0ZWFkLgo+IAo+IElmIGFueXRoaW5n IGl0IHNob3VsZCBiZSBuZXRucy0+aWQsIC9wcm9jLyovbmV0bnMgb3V0cHV0dGluZyBpZAo+IHdo ZXJlIGlkIGlzIG5vdCBkZXJpdmVkIGZyb20ga2VybmVsIHBvaW50ZXIuCj4gCj4gPiBTb2x1dGlv bj8KPiA+IFsgdXNpbmcgbG8gaW50ZXJmYWNlIGluZGV4IF0KPiAKPiBXaGF0IGEgaGFjayEgOi0p CgpXZWxsLCB5b3UgY291bGQgY3JlYXRlIGFub3RoZXIgY291bnRlciBhbmQgY291bnQgaXQgdXAg b24gbmFtZXNwYWNlCmNyZWF0aW9uLiBCdXQgdGhlIGludGVyZmFjZSBpbmRleCBpcyByZWFkaWx5 IGF2YWlsYWJsZSB0byB1c2Vyc3BhY2UgYXMKaXMsIGFuZCBpdCB1bmlxdWVseSBpZGVudGlmaWVz IHRoZSBuZXR3b3JrIG5hbWVzcGFjZS4KCihTdHVwaWRlc3QgdGhpbmcgeW91IGNhbiBkbyB0byBi cmVhayB0aGlzIGlzIHJlbmFtaW5nIHRoZSBsb29wYmFjawpkZXZpY2U7IGJ1dCBldmVuIGlmIHlv dSBkbyB0aGF0IHVzZXJzcGFjZSBjYW4gc3RpbGwgbG9vayBhdCB0aGUgTE9PUEJBQ0sKZmxhZy4p CgoKLURhdmlkCgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f XwpDb250YWluZXJzIG1haWxpbmcgbGlzdApDb250YWluZXJzQGxpc3RzLmxpbnV4LWZvdW5kYXRp b24ub3JnCmh0dHBzOi8vbGlzdHMubGludXgtZm91bmRhdGlvbi5vcmcvbWFpbG1hbi9saXN0aW5m by9jb250YWluZXJz