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Wed, 5 Jun 2024 11:23:45 GMT Received: from hu-amisjain-hyd.qualcomm.com (10.80.80.8) by nasanex01c.na.qualcomm.com (10.45.79.139) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Wed, 5 Jun 2024 04:23:43 -0700 From: Amisha Jain To: CC: , , Subject: [PATCH v2] Sepolicy changes for bluez to access uhid Date: Wed, 5 Jun 2024 16:53:26 +0530 Message-ID: <20240605112326.27169-1-quic_amisjain@quicinc.com> X-Mailer: git-send-email 2.17.1 Precedence: bulk X-Mailing-List: selinux-refpolicy@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nasanex01c.na.qualcomm.com (10.45.79.139) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: r-pZbyezRdVe5K-TUlCcD6LysH4H_Lex X-Proofpoint-ORIG-GUID: r-pZbyezRdVe5K-TUlCcD6LysH4H_Lex X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.28.16 definitions=2024-06-05_02,2024-06-05_02,2024-05-17_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 bulkscore=0 impostorscore=0 clxscore=1015 spamscore=0 malwarescore=0 mlxlogscore=746 mlxscore=0 adultscore=0 lowpriorityscore=0 suspectscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2405170001 definitions=main-2406050085 Resolve selinux premission for HID Below avc denials that are fixed with this patch - avc: denied { read write } for pid=656 comm="bluetoothd" name="uhid" dev="devtmpfs" ino=841 scontext=system_u:system_r:bluetooth_t:s0-s15:c0.c1023 tcontext=system_u:object_r:uhid_device_t:s0 tclass=chr_file permissive=0 Signed-off-by: Amisha Jain --- policy/modules/kernel/devices.if | 18 ++++++++++++++++++ policy/modules/services/bluetooth.te | 1 + 2 files changed, 19 insertions(+) diff --git a/policy/modules/kernel/devices.if b/policy/modules/kernel/devices.if index d8a5c97df..6e0a9499e 100644 --- a/policy/modules/kernel/devices.if +++ b/policy/modules/kernel/devices.if @@ -5858,3 +5858,21 @@ interface(`dev_unconfined',` typeattribute $1 devices_unconfined_type; ') + +##################### +## +## Allow open/read/write uhid device +## +## +## +## Domain allowed rw to uhid device +## to communicate with uhid input node +## +## +# +interface(`dev_rw_uhid',` + gen_require(` + type uhid_device_t; + ') + allow $1 uhid_device_t:chr_file rw_chr_file_perms ; +') diff --git a/policy/modules/services/bluetooth.te b/policy/modules/services/bluetooth.te index f23a979de..0cbff0714 100644 --- a/policy/modules/services/bluetooth.te +++ b/policy/modules/services/bluetooth.te @@ -104,6 +104,7 @@ dev_rw_generic_usb_dev(bluetooth_t) dev_read_urand(bluetooth_t) dev_rw_input_dev(bluetooth_t) dev_rw_wireless(bluetooth_t) +dev_rw_uhid(bluetooth_t) domain_use_interactive_fds(bluetooth_t) domain_dontaudit_search_all_domains_state(bluetooth_t) -- 2.17.1