From patchwork Mon Jan 15 18:17:48 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Roberto Sassu X-Patchwork-Id: 13520068 X-Patchwork-Delegate: paul@paul-moore.com Received: from frasgout11.his.huawei.com (frasgout11.his.huawei.com [14.137.139.23]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0593C5233; Mon, 15 Jan 2024 18:37:11 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=huaweicloud.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=huaweicloud.com Received: from mail.maildlp.com (unknown [172.18.186.51]) by frasgout11.his.huawei.com (SkyGuard) with ESMTP id 4TDKmY586mz9xqnp; Tue, 16 Jan 2024 02:05:01 +0800 (CST) Received: from mail02.huawei.com (unknown [7.182.16.27]) by mail.maildlp.com (Postfix) with ESMTP id C281F14065B; Tue, 16 Jan 2024 02:19:37 +0800 (CST) Received: from huaweicloud.com (unknown [10.204.63.22]) by APP2 (Coremail) with SMTP id GxC2BwAXBCjzdqVl8DKbAA--.57127S6; Mon, 15 Jan 2024 19:19:37 +0100 (CET) From: Roberto Sassu To: viro@zeniv.linux.org.uk, brauner@kernel.org, chuck.lever@oracle.com, jlayton@kernel.org, neilb@suse.de, kolga@netapp.com, Dai.Ngo@oracle.com, tom@talpey.com, paul@paul-moore.com, jmorris@namei.org, serge@hallyn.com, zohar@linux.ibm.com, dmitry.kasatkin@gmail.com, eric.snowberg@oracle.com, dhowells@redhat.com, jarkko@kernel.org, stephen.smalley.work@gmail.com, eparis@parisplace.org, casey@schaufler-ca.com, shuah@kernel.org, mic@digikod.net Cc: linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-nfs@vger.kernel.org, linux-security-module@vger.kernel.org, linux-integrity@vger.kernel.org, keyrings@vger.kernel.org, selinux@vger.kernel.org, linux-kselftest@vger.kernel.org, Roberto Sassu , Stefan Berger Subject: [PATCH v9 04/25] ima: Align ima_inode_removexattr() definition with LSM infrastructure Date: Mon, 15 Jan 2024 19:17:48 +0100 Message-Id: <20240115181809.885385-5-roberto.sassu@huaweicloud.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240115181809.885385-1-roberto.sassu@huaweicloud.com> References: <20240115181809.885385-1-roberto.sassu@huaweicloud.com> Precedence: bulk X-Mailing-List: linux-security-module@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-CM-TRANSID: GxC2BwAXBCjzdqVl8DKbAA--.57127S6 X-Coremail-Antispam: 1UD129KBjvJXoWxCrW8Gr4UZr4kZryrWry7GFg_yoW5Gr17pF s3K3WUC340qFy7Wr9YyF9rC34SgrW7GrnrX3yFg3Z2yFnxJr18XFWfXF1j934rCr48KF1v qFsFvwnxCF15trDanT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUBvb4IE77IF4wAFF20E14v26rWj6s0DM7CY07I20VC2zVCF04k2 6cxKx2IYs7xG6rWj6s0DM7CIcVAFz4kK6r1j6r18M28IrcIa0xkI8VA2jI8067AKxVWUAV Cq3wA2048vs2IY020Ec7CjxVAFwI0_Xr0E3s1l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0 rcxSw2x7M28EF7xvwVC0I7IYx2IY67AKxVWUCVW8JwA2z4x0Y4vE2Ix0cI8IcVCY1x0267 AKxVW8Jr0_Cr1UM28EF7xvwVC2z280aVAFwI0_Gr0_Cr1l84ACjcxK6I8E87Iv6xkF7I0E 14v26r4UJVWxJr1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqx4xG64xvF2IEw4CE5I8CrV C2j2WlYx0E2Ix0cI8IcVAFwI0_Jr0_Jr4lYx0Ex4A2jsIE14v26r1j6r4UMcvjeVCFs4IE 7xkEbVWUJVW8JwACjcxG0xvY0x0EwIxGrwACI402YVCY1x02628vn2kIc2xKxwCF04k20x vY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E14v26r1j6r18MI8I 3I0E7480Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_GFv_WrylIxkGc2Ij64vIr41lIx AIcVC0I7IYx2IY67AKxVWUJVWUCwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Gr1j6F4UJwCI 42IY6xAIw20EY4v20xvaj40_Jr0_JF4lIxAIcVC2z280aVAFwI0_Gr0_Cr1lIxAIcVC2z2 80aVCY1x0267AKxVW8Jr0_Cr1UYxBIdaVFxhVjvjDU0xZFpf9x07UZo7tUUUUU= X-CM-SenderInfo: purev21wro2thvvxqx5xdzvxpfor3voofrz/1tbiAgADBF1jj5SSdwADsG From: Roberto Sassu Change ima_inode_removexattr() definition, so that it can be registered as implementation of the inode_removexattr hook. Signed-off-by: Roberto Sassu Reviewed-by: Stefan Berger Reviewed-by: Casey Schaufler Reviewed-by: Mimi Zohar Acked-by: Paul Moore --- include/linux/ima.h | 7 +++++-- security/integrity/ima/ima_appraise.c | 3 ++- security/security.c | 2 +- 3 files changed, 8 insertions(+), 4 deletions(-) diff --git a/include/linux/ima.h b/include/linux/ima.h index 077324309c11..678a03fddd7e 100644 --- a/include/linux/ima.h +++ b/include/linux/ima.h @@ -200,7 +200,9 @@ static inline int ima_inode_remove_acl(struct mnt_idmap *idmap, { return ima_inode_set_acl(idmap, dentry, acl_name, NULL); } -extern int ima_inode_removexattr(struct dentry *dentry, const char *xattr_name); + +extern int ima_inode_removexattr(struct mnt_idmap *idmap, struct dentry *dentry, + const char *xattr_name); #else static inline bool is_ima_appraise_enabled(void) { @@ -231,7 +233,8 @@ static inline int ima_inode_set_acl(struct mnt_idmap *idmap, return 0; } -static inline int ima_inode_removexattr(struct dentry *dentry, +static inline int ima_inode_removexattr(struct mnt_idmap *idmap, + struct dentry *dentry, const char *xattr_name) { return 0; diff --git a/security/integrity/ima/ima_appraise.c b/security/integrity/ima/ima_appraise.c index cb2d0d11aa77..36abc84ba299 100644 --- a/security/integrity/ima/ima_appraise.c +++ b/security/integrity/ima/ima_appraise.c @@ -790,7 +790,8 @@ int ima_inode_set_acl(struct mnt_idmap *idmap, struct dentry *dentry, return 0; } -int ima_inode_removexattr(struct dentry *dentry, const char *xattr_name) +int ima_inode_removexattr(struct mnt_idmap *idmap, struct dentry *dentry, + const char *xattr_name) { int result; diff --git a/security/security.c b/security/security.c index 98531e9b368f..fda78023de48 100644 --- a/security/security.c +++ b/security/security.c @@ -2430,7 +2430,7 @@ int security_inode_removexattr(struct mnt_idmap *idmap, ret = cap_inode_removexattr(idmap, dentry, name); if (ret) return ret; - ret = ima_inode_removexattr(dentry, name); + ret = ima_inode_removexattr(idmap, dentry, name); if (ret) return ret; return evm_inode_removexattr(idmap, dentry, name);