From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:60424) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1e2Dxw-0004qJ-7z for qemu-devel@nongnu.org; Wed, 11 Oct 2017 06:10:20 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1e2Dxs-00020I-1K for qemu-devel@nongnu.org; Wed, 11 Oct 2017 06:10:16 -0400 Received: from mx1.redhat.com ([209.132.183.28]:55604) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1e2Dxr-0001xx-SL for qemu-devel@nongnu.org; Wed, 11 Oct 2017 06:10:11 -0400 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id E4FC525787 for ; Wed, 11 Oct 2017 10:10:10 +0000 (UTC) From: "Daniel P. Berrange" Date: Wed, 11 Oct 2017 11:09:58 +0100 Message-Id: <20171011100959.29326-7-berrange@redhat.com> In-Reply-To: <20171011100959.29326-1-berrange@redhat.com> References: <20171011100959.29326-1-berrange@redhat.com> Subject: [Qemu-devel] [PATCH v2 6/7] io: cope with websock 'Connection' header having multiple values List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org 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. Reviewed-by: Eric Blake Signed-off-by: Daniel P. Berrange --- 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 4c62b5eafc..3e3d0953c4 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; } -- 2.13.5