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GET /api/patches/812908/?format=api
{ "id": 812908, "url": "http://patchwork.ozlabs.org/api/patches/812908/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20170912152153.7729-4-brandon.carpenter@cypherpath.com/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20170912152153.7729-4-brandon.carpenter@cypherpath.com>", "list_archive_url": null, "date": "2017-09-12T15:21:49", "name": "[v3,3/7] io: Add support for fragmented websocket binary frames", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "daa60920ccdf1d7eabc668ccc43af792d7ad5d00", "submitter": { "id": 72031, "url": "http://patchwork.ozlabs.org/api/people/72031/?format=api", "name": "Brandon Carpenter", "email": "brandon.carpenter@cypherpath.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20170912152153.7729-4-brandon.carpenter@cypherpath.com/mbox/", "series": [ { "id": 2725, "url": "http://patchwork.ozlabs.org/api/series/2725/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=2725", "date": "2017-09-12T15:21:48", "name": "Update websocket code to more fully support the RFC", "version": 3, "mbox": "http://patchwork.ozlabs.org/series/2725/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/812908/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/812908/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@bilbo.ozlabs.org", "Authentication-Results": [ "ozlabs.org;\n\tspf=pass (mailfrom) smtp.mailfrom=nongnu.org\n\t(client-ip=2001:4830:134:3::11; helo=lists.gnu.org;\n\tenvelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n\treceiver=<UNKNOWN>)", "ozlabs.org;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n\tunprotected) header.d=cypherpath.com header.i=@cypherpath.com\n\theader.b=\"ZHUj937u\"; dkim-atps=neutral" ], "Received": [ "from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11])\n\t(using TLSv1 with cipher AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3xs7t03ZhYz9s7f\n\tfor <incoming@patchwork.ozlabs.org>;\n\tWed, 13 Sep 2017 01:26:00 +1000 (AEST)", "from localhost ([::1]:36508 helo=lists.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.71) (envelope-from\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>)\n\tid 1drn4Y-0007Mo-J9\n\tfor incoming@patchwork.ozlabs.org; Tue, 12 Sep 2017 11:25:58 -0400", "from eggs.gnu.org ([2001:4830:134:3::10]:40485)\n\tby lists.gnu.org with esmtp (Exim 4.71)\n\t(envelope-from <brandon.carpenter@cypherpath.com>)\n\tid 1drn13-0004jd-5I\n\tfor qemu-devel@nongnu.org; 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\n\tTue, 12 Sep 2017 08:22:18 -0700 (PDT)", "From": "Brandon Carpenter <brandon.carpenter@cypherpath.com>", "To": "qemu-devel@nongnu.org", "Date": "Tue, 12 Sep 2017 08:21:49 -0700", "Message-Id": "<20170912152153.7729-4-brandon.carpenter@cypherpath.com>", "X-Mailer": "git-send-email 2.14.1", "In-Reply-To": "<20170912152153.7729-1-brandon.carpenter@cypherpath.com>", "References": "<20170912152153.7729-1-brandon.carpenter@cypherpath.com>", "Content-Type": "text/plain; charset=\"US-ASCII\"", "X-detected-operating-system": "by eggs.gnu.org: Genre and OS details not\n\trecognized.", "X-Received-From": "2607:f8b0:400e:c05::231", "Subject": "[Qemu-devel] [PATCH v3 3/7] io: Add support for fragmented\n\twebsocket binary frames", "X-BeenThere": "qemu-devel@nongnu.org", "X-Mailman-Version": "2.1.21", "Precedence": "list", "List-Id": "<qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<http://lists.nongnu.org/archive/html/qemu-devel/>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n\t<mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Cc": "brandon.carpenter@cypherpath.com", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "\"Qemu-devel\"\n\t<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>" }, "content": "Allows fragmented binary frames by saving the previous opcode. Handles\nthe case where an intermediary (i.e., web proxy) fragments frames\noriginally sent unfragmented by the client.\n\nSigned-off-by: Brandon Carpenter <brandon.carpenter@cypherpath.com>\n---\n include/io/channel-websock.h | 1 +\n io/channel-websock.c | 26 ++++++++++++++++++--------\n 2 files changed, 19 insertions(+), 8 deletions(-)", "diff": "diff --git a/include/io/channel-websock.h b/include/io/channel-websock.h\nindex 3c9ff84727..7c896557c5 100644\n--- a/include/io/channel-websock.h\n+++ b/include/io/channel-websock.h\n@@ -65,6 +65,7 @@ struct QIOChannelWebsock {\n guint io_tag;\n Error *io_err;\n gboolean io_eof;\n+ uint8_t opcode;\n };\n \n /**\ndiff --git a/io/channel-websock.c b/io/channel-websock.c\nindex 185bd31be5..ced24135ec 100644\n--- a/io/channel-websock.c\n+++ b/io/channel-websock.c\n@@ -542,28 +542,38 @@ static int qio_channel_websock_decode_header(QIOChannelWebsock *ioc,\n has_mask = header->b1 & QIO_CHANNEL_WEBSOCK_HEADER_FIELD_HAS_MASK;\n payload_len = header->b1 & QIO_CHANNEL_WEBSOCK_HEADER_FIELD_PAYLOAD_LEN;\n \n+ /* Save or restore opcode. */\n+ if (opcode) {\n+ ioc->opcode = opcode;\n+ } else {\n+ opcode = ioc->opcode;\n+ }\n+\n if (opcode == QIO_CHANNEL_WEBSOCK_OPCODE_CLOSE) {\n /* disconnect */\n return 0;\n }\n \n /* Websocket frame sanity check:\n- * * Websocket fragmentation is not supported.\n- * * All websockets frames sent by a client have to be masked.\n+ * * Fragmentation is only supported for binary frames.\n+ * * All frames sent by a client MUST be masked.\n * * Only binary encoding is supported.\n */\n if (!fin) {\n- error_setg(errp, \"websocket fragmentation is not supported\");\n- return -1;\n+ if (opcode != QIO_CHANNEL_WEBSOCK_OPCODE_BINARY_FRAME) {\n+ error_setg(errp, \"only binary websocket frames may be fragmented\");\n+ return -1;\n+ }\n+ } else {\n+ if (opcode != QIO_CHANNEL_WEBSOCK_OPCODE_BINARY_FRAME) {\n+ error_setg(errp, \"only binary websocket frames are supported\");\n+ return -1;\n+ }\n }\n if (!has_mask) {\n error_setg(errp, \"client websocket frames must be masked\");\n return -1;\n }\n- if (opcode != QIO_CHANNEL_WEBSOCK_OPCODE_BINARY_FRAME) {\n- error_setg(errp, \"only binary websocket frames are supported\");\n- return -1;\n- }\n \n if (payload_len < QIO_CHANNEL_WEBSOCK_PAYLOAD_LEN_MAGIC_16_BIT) {\n ioc->payload_remain = payload_len;\n", "prefixes": [ "v3", "3/7" ] }