From clamav-devel-bounces@lists.clamav.net Wed Jan 26 22:35:07 2005 Return-Path: X-Original-To: list@krisma.oltrelinux.com Delivered-To: list@krisma.oltrelinux.com Received: from localhost (krisma [127.0.0.1]) by mail.oltrelinux.com (Postfix) with ESMTP id 0CA6A11AE46 for ; Wed, 26 Jan 2005 22:35:07 +0100 (CET) Received: from mail.oltrelinux.com ([127.0.0.1]) by localhost (krisma.oltrelinux.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 03823-06 for ; Wed, 26 Jan 2005 22:35:01 +0100 (CET) Received: from aj.catt.com (aj.catt.com [64.18.103.6]) by mail.oltrelinux.com (Postfix) with ESMTP id 445C011AE51 for ; Wed, 26 Jan 2005 22:35:01 +0100 (CET) Received: from aj.catt.com (localhost [127.0.0.1]) by aj.catt.com (Postfix) with ESMTP id 5F82915603F; Wed, 26 Jan 2005 16:34:52 -0500 (EST) Received: from main.gmane.org (main.gmane.org [80.91.229.2]) by aj.catt.com (Postfix) with ESMTP id 8171D156025 for ; Wed, 26 Jan 2005 16:34:46 -0500 (EST) Received: from list by main.gmane.org with local (Exim 3.35 #1 (Debian)) id 1Ctuo9-0001eY-00 for ; Wed, 26 Jan 2005 22:34:37 +0100 Received: from pd9e2d9ee.dip.t-dialin.net ([217.226.217.238]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 26 Jan 2005 22:34:37 +0100 Received: from sstrickroth by pd9e2d9ee.dip.t-dialin.net with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 26 Jan 2005 22:34:37 +0100 X-Injected-Via-Gmane: http://gmane.org/ To: clamav-devel@lists.clamav.net From: "Sven Strickroth" Date: Wed, 26 Jan 2005 22:34:28 +0100 Lines: 62 Message-ID: X-Complaints-To: usenet@sea.gmane.org X-Gmane-NNTP-Posting-Host: pd9e2d9ee.dip.t-dialin.net X-MSMail-Priority: Normal X-Newsreader: Microsoft Outlook Express 6.00.2900.2180 X-RFC2646: Format=Flowed; Original X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 Subject: [Clamav-devel] freshclam-protocol-bug with buggy proxy-servers X-BeenThere: clamav-devel@lists.clamav.net X-Mailman-Version: 2.1.5 Precedence: list Reply-To: ClamAV Development List-Id: ClamAV Development List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: clamav-devel-bounces@lists.clamav.net Errors-To: clamav-devel-bounces@lists.clamav.net X-Spam-Status: No, hits=1.4 tagged_above=0.5 required=5.0 tests=PRIORITY_NO_NAME, UPPERCASE_25_50 X-Spam-Level: * Hi, freshclam 0.81 prints: "ClamAV update process started at Wed Jan 26 22:24:32 2005 Connecting via 192.168.0.1 Reading CVD header (main.cvd): ERROR: Malformed CVD header detected. ERROR: Can't read main.cvd header from db.de.clamav.net (IP: 192.168.0.1) Trying again in 5 secs..." This issue appears because of the new If-Modified-Since-function in combination with a "malformed" answer from some proxy-servers. Two examples: "GET http://db.de.clamav.net/main.cvd HTTP/1.1 Host: db.de.clamav.net User-Agent: clamav/0.81 Connection: close Range: bytes=0-511 If-Modified-Since: Wed, 26 Jan 2005 20:52:11 GMT HTTP/1.0 304 Use cached copy" "GET http://db.de.clamav.net/main.cvd HTTP/1.1 Host: db.de.clamav.net User-Agent: clamav/0.81 Connection: close HTTP/1.0 200 OK Date: Wed, 26 Jan 2005 21:19:06 GMT Server: Apache Last-Modified: Fri, 14 Jan 2005 20:55:12 GMT ETag: "a295a-189e41-41e831b0" Accept-Ranges: bytes Content-Length: 1613377 Content-Type: text/plain ClamAV-VDB:14 Jan 2005 21-46..." FreshClam uses HTTP/1.1 but the answer is HTTP/1.0 I attached a small patch, which solves this issue. Greetings Sven begin 666 freshclam-http10.patch M+2TM(&-L86UA=BTP+C@Q+6]R:6R *( EM<')I;G1F*") 0U9$ M(&9I;&4@;F]T(&9O=6YD(&]N(')E;6]T92!S97)V97)<;B(I.PH@"7)E='5R M;B!.54Q,.PH@(" @('T*( H@(" @("\J(&-H96-K('=H971H97(@=&AE(')E MR *( H@"2II A;7,@/2 P.PH@"6UP