From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mout.gmx.net (mout.gmx.net [212.227.17.21]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1B33C17BDC; Sun, 17 Mar 2024 11:31:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=212.227.17.21 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710675115; cv=none; b=Px1d19VNFWG0nyXZzWRpq9DWEIAAEDy2Z0ldtRfPDTsUDufokpWlFgHmfh3b2dQUWlwZP2XuWDeMRu03sIcZ93tMax1v0nwNxm6EtAVcTVJglbhMUHHUnIGVqD+XM4uOVY8zGhbZWoM4O9/2KRP9kfPzBG4XhHud3y52K8yLmZA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710675115; c=relaxed/simple; bh=qrgeXJnBze0/NlThCnEWfbKJr4i8ti9uvqhuku1tviU=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=pXIwUZ45yb7qMdpp7M21bPqh8gUwuTdpEZP7pFBhqXbZCxiHcxD+KSUSbYVIRN6cbW9qKQLXkvjq0488ZvOvt93DsU41NagJtZYZyVi1tow/lZdaR1vJYJNPJnU+I+uq+9f+TvFgX0qjwqIzDZT8xH2d4eISxSPBenVNRIl6ohY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=gmx.net; spf=pass smtp.mailfrom=gmx.net; dkim=pass (2048-bit key) header.d=gmx.net header.i=ps.report@gmx.net header.b=QbQzEpSh; arc=none smtp.client-ip=212.227.17.21 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=gmx.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmx.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmx.net header.i=ps.report@gmx.net header.b="QbQzEpSh" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmx.net; s=s31663417; t=1710675107; x=1711279907; i=ps.report@gmx.net; bh=thWe4OMhTAQiJNHJcIhgAzprazHbbDFO6O3nabVbkoQ=; h=X-UI-Sender-Class:Date:From:To:Cc:Subject:In-Reply-To: References; b=QbQzEpShu9aCF6eGud0wFqH5aBsS1yh2ZS8flEyhZMeElzpmMduWaCR60hC19sTS hotihDgA9mMhZiZWtvBC+g0OiYtVoeWjM+vfHeMwTXM6dabohZjdC9yau65q4G0Yd Ec38FDvENE8GCRmVWfVzP/fqDze6Hzc6N0vxZ2IEXPtURKsS9ScGUje+oWu8XniUL xcaseaKYzvhWg2/8XIeyuY+9Hk67Gb+O/3u9Exmkqree/bL4TVYKfTLDITxwZM3LY jstwdzLmM3v5XMxufZ043uvnH17YjzNFwfpVM8blGixII/n6VeW9KOfuuQjbcJx4Q krid3VmkGFe9+AaoYQ== X-UI-Sender-Class: 724b4f7f-cbec-4199-ad4e-598c01a50d3a Received: from localhost ([212.114.183.180]) by mail.gmx.net (mrgmx105 [212.227.17.168]) with ESMTPSA (Nemesis) id 1MkYbu-1r4Gyr1iX8-00m2bt; Sun, 17 Mar 2024 12:31:47 +0100 Date: Sun, 17 Mar 2024 12:31:35 +0100 From: Peter Seiderer To: Alejandro Colomar Cc: Oliver Crumrine , linux-kernel@vger.kernel.org, linux-man@vger.kernel.org Subject: Re: [PATCH] ip.7: Add not supported by SOCK_STREAM to socket options Message-ID: <20240317123135.24993051@gmx.net> In-Reply-To: References: <7ubz52rfdl2i76sotvd3s4thv6jvbfao6zct3sywqus2owlvkx@wpbeqqdvipo4> X-Mailer: Claws Mail 4.2.0 (GTK 3.24.39; x86_64-suse-linux-gnu) Precedence: bulk X-Mailing-List: linux-man@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable X-Provags-ID: V03:K1:+EQe8vdWUodhPL4RH0qddhfdT6bV+qEix91lRkyb76oIOo+y33T hz/oYti00sb6w1koT3l74SUCK2sS9Cp0VwFPiuF5kOFcHybETlsRFTcsvHtglMTPbvIj3Mj LGuv9Di7Y+FP8RQ1RjWRLR4yjnai2aTGEih6aPD4fGCwuxL31StB6qMMH08EJwV7Aygg06o Rz8rhiW0JZ5uYwXgfbRuw== X-Spam-Flag: NO UI-OutboundReport: notjunk:1;M01:P0:CGV87Kpqmt8=;g84LAudjtX9P2NnR8jYlaozCDhO pT5A71DR3iMRoltgO7Ml7rWeCCuHPbA7+lsBqqBIW10fqazYGGdIuqT1qFtBWdeiAtx9aPWb2 hPTBWYeukC4btBjvJBaKFRIKt7FFlGTj7bW3TRzZ9HlRljM14GurwvkBLo8cZGLRTv10rTRX5 MvBrWPYBCMZG/KTepMCP5IYs95ePamPFvUCTi6RBSw0o3Avf3or/7vx1HFNGJ01PaNfIk70i5 xvs5SJDFQc5VINngecz6nlCztgsJERoVm1vlSu0YHqGx9I27R7ZErpCjnD+9lrBIlEZalTCus ePFGteryWzDjwtuMGjpsrMenU42bE6Lw7AyanBdWkoFHZAVwtL7ndZAIlR0w5biU80a752EDw ubEeaXFKeBislvLD7VEhtuZ2y5cNWatJ6VJVJTmk61NZ3JAz7jAI8bX4F6biZtk1jrGez9bze 5rhfLsVGhDn+xJs50lxR+Bv3x6APdVPgv8EJXkSbPEYIXLKSWsFaHWCTsBCNXWfvuI+2SYC0O OPHHCfftO4j/RxDlQlVeOiKqXQPL4KOp2pBWeGntSSUDEWkR0xCWucT2x1tud4UFIJAJa0Ky3 n4TTBwqooQkIeBfUcjPGwn2EHH0jQRYys58jDpUahykIGSMpQhqes4CftvbQchggssmmiVazT 19YwNRaCC/PN4otI/rk+kQRbnfAJpVOCO6jgGOm6n5thiI35E6uSsomokN3KNMY4W9gVSIiJO XGQbiSMUCBtSIm1KoHGfyJ9tLbE0sylBysc39sO2NoXVbj8SRKElmT+hb/E9+pcXIYfdpoo8u nBshFdrcSoxZzeS51cFv51E4nKAO6/fmCSODdmK5ZA/wc= On Wed, 6 Mar 2024 14:12:23 +0100, Alejandro Colomar wrot= e: > On Wed, Mar 06, 2024 at 08:02:10AM -0500, Oliver Crumrine wrote: > > Hi Alex, > > Hi Oliver, > > > Type into netcat, not the program I sent. > > My program is the server and prints out whatever it recieves, > > along with some other stuff that lets you know which options > > are supported. > > Nothing either. > > $ date; nc localhost 8888 -u | ts > Wed Mar 6 14:09:38 CET 2024 > foo > $ echo $? > 0 Same here, but with nc forced to IPv4 $ nc localhost 8888 -u -4 a And in the other window: $ ./a.out cmsg recieved data read: a byte =3D 02 Regards, Peter > > > $ cc testDgramSocketServer.c > $ date; ./a.out | ts > Wed Mar 6 14:09:05 CET 2024 > ^C > $ > > > Have a lovely day! > Alex >