From patchwork Tue Oct 10 15:43:27 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= X-Patchwork-Id: 823910 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=2001:4830:134:3::11; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3yBM2t47RZz9tXw for ; Wed, 11 Oct 2017 02:48:22 +1100 (AEDT) Received: from localhost ([::1]:35703 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e1wlY-0005yC-HW for incoming@patchwork.ozlabs.org; Tue, 10 Oct 2017 11:48:20 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:47640) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e1whC-0002gD-Mn for qemu-devel@nongnu.org; Tue, 10 Oct 2017 11:43:56 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1e1whB-00038S-Vz for qemu-devel@nongnu.org; Tue, 10 Oct 2017 11:43:50 -0400 Received: from mx1.redhat.com ([209.132.183.28]:41050) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1e1whB-000388-Q3 for qemu-devel@nongnu.org; Tue, 10 Oct 2017 11:43:49 -0400 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id CCDCD9D0FE for ; Tue, 10 Oct 2017 15:43:48 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com CCDCD9D0FE Authentication-Results: ext-mx10.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx10.extmail.prod.ext.phx2.redhat.com; spf=fail smtp.mailfrom=berrange@redhat.com Received: from t460.redhat.com (unknown [10.33.36.82]) by smtp.corp.redhat.com (Postfix) with ESMTP id 957EA5C1A3; Tue, 10 Oct 2017 15:43:47 +0000 (UTC) From: "Daniel P. Berrange" To: qemu-devel@nongnu.org Date: Tue, 10 Oct 2017 16:43:27 +0100 Message-Id: <20171010154328.8419-7-berrange@redhat.com> In-Reply-To: <20171010154328.8419-1-berrange@redhat.com> References: <20171010154328.8419-1-berrange@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Tue, 10 Oct 2017 15:43:48 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH v1 6/7] io: cope with websock 'Connection' header having multiple values X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" The noVNC server sends a header "Connection: keep-alive, Upgrade" which fails our simple equality test. Split the header on ',', trim whitespace and then check for 'upgrade' token. Signed-off-by: Daniel P. Berrange Reviewed-by: Eric Blake --- io/channel-websock.c | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/io/channel-websock.c b/io/channel-websock.c index 455f5e322c..a21915881d 100644 --- a/io/channel-websock.c +++ b/io/channel-websock.c @@ -374,6 +374,9 @@ static void qio_channel_websock_handshake_process(QIOChannelWebsock *ioc, size_t nhdrs = G_N_ELEMENTS(hdrs); const char *protocols = NULL, *version = NULL, *key = NULL, *host = NULL, *connection = NULL, *upgrade = NULL; + char **connectionv; + bool upgraded = false; + size_t i; nhdrs = qio_channel_websock_extract_headers(ioc, buffer, hdrs, nhdrs, errp); if (!nhdrs) { @@ -440,7 +443,16 @@ static void qio_channel_websock_handshake_process(QIOChannelWebsock *ioc, goto bad_request; } - if (strcasecmp(connection, QIO_CHANNEL_WEBSOCK_CONNECTION_UPGRADE) != 0) { + connectionv = g_strsplit(connection, ",", 0); + for (i = 0; connectionv != NULL && connectionv[i] != NULL; i++) { + g_strstrip(connectionv[i]); + if (strcasecmp(connectionv[i], + QIO_CHANNEL_WEBSOCK_CONNECTION_UPGRADE) == 0) { + upgraded = true; + } + } + g_strfreev(connectionv); + if (!upgraded) { error_setg(errp, "No connection upgrade requested '%s'", connection); goto bad_request; }