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Tue, 26 Nov 2024 08:20:15 +0000 Received: from APTAIPPMTA02.qualcomm.com (APTAIPPMTA02.qualcomm.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 4AQ8KFGZ022371 for ; Tue, 26 Nov 2024 08:20:15 GMT Received: from bt-iot-sh01-lnx.qualcomm.com ([10.253.136.182]) by APTAIPPMTA02.qualcomm.com (PPS) with ESMTPS id 4AQ8KF66022370 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 26 Nov 2024 08:20:15 +0000 Received: by bt-iot-sh01-lnx.qualcomm.com (Postfix, from userid 4467449) id 179BF255AC; Tue, 26 Nov 2024 16:20:09 +0800 (CST) From: Shuai Zhang To: linux-bluetooth@vger.kernel.org Cc: quic_shuaz@quicinc.com, quic_chejiang@quicinc.com, quic_jiaymao@quicinc.com, quic_zijuhu@quicinc.com, quic_mohamull@quicinc.com Subject: [PATCH v1] BNEP: Fix the BNEP Unknown Control Message in PTS testing Date: Tue, 26 Nov 2024 16:20:03 +0800 Message-Id: <20241126082003.2178783-1-quic_shuaz@quicinc.com> X-Mailer: git-send-email 2.25.1 Precedence: bulk X-Mailing-List: linux-bluetooth@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-QCInternal: smtphost X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: _qCROQt8ju3LACkndTvRqZ1AhKE7Gi6e X-Proofpoint-ORIG-GUID: _qCROQt8ju3LACkndTvRqZ1AhKE7Gi6e X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.60.29 definitions=2024-09-06_09,2024-09-06_01,2024-09-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 impostorscore=0 spamscore=0 lowpriorityscore=0 phishscore=0 adultscore=0 malwarescore=0 mlxscore=0 suspectscore=0 mlxlogscore=593 clxscore=1011 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2409260000 definitions=main-2411260065 This change is required for passing below PTS testcase: 1. BNEP/CTRL/BV-01-C PTS sends an Unknown Control Message with only two bytes, which is considered incorrect data. Therefore, the handling of the Unknown Control Message is added before validating the data. Signed-off-by: Shuai Zhang --- profiles/network/server.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/profiles/network/server.c b/profiles/network/server.c index 96738f26c..c1d96cd1c 100644 --- a/profiles/network/server.c +++ b/profiles/network/server.c @@ -325,6 +325,32 @@ static gboolean bnep_setup(GIOChannel *chan, return FALSE; } + /* + * When benp_control_type is between 0x07 and 0xFF, + * a reply is also required. + * However, since the command size is only 2 bytes, + * it needs to be processed before determining + * if it is a valid command. + */ + if (req->type == BNEP_CONTROL && + req->ctrl > BNEP_FILTER_MULT_ADDR_RSP) { + error("bnep: cmd not understood"); + int err; + struct bnep_ctrl_cmd_not_understood_cmd rsp; + + rsp.type = BNEP_CONTROL; + rsp.ctrl = BNEP_CMD_NOT_UNDERSTOOD; + rsp.unkn_ctrl = (uint8_t) req->ctrl; + + err = send(sk, &rsp, sizeof(rsp), 0); + + if (err < 0) + error("send not understood ctrl rsp error: %s (%d)", + strerror(errno), errno); + + return FALSE; + } + /* * Initial received data packet is BNEP_SETUP_CONNECTION_REQUEST_MSG * minimal size of this frame is 3 octets: 1 byte of BNEP Type +