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Hermes SMTP Server) with ESMTPA ID 2439121b4758407954183c0b5224f0f9; Tue, 10 Sep 2024 18:46:26 +0000 (UTC) From: Casey Schaufler To: casey@schaufler-ca.com, paul@paul-moore.com, linux-security-module@vger.kernel.org Cc: jmorris@namei.org, serge@hallyn.com, keescook@chromium.org, john.johansen@canonical.com, penguin-kernel@i-love.sakura.ne.jp, stephen.smalley.work@gmail.com, linux-kernel@vger.kernel.org, selinux@vger.kernel.org, mic@digikod.net Subject: [PATCH v3 12/13] Use lsm_prop for audit data Date: Tue, 10 Sep 2024 11:41:24 -0700 Message-ID: <20240910184125.224651-13-casey@schaufler-ca.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20240910184125.224651-1-casey@schaufler-ca.com> References: <20240910184125.224651-1-casey@schaufler-ca.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Replace the secid in the netlbl_audit structure with an lsm_prop. Remove scaffolding that was required when the value was a secid. Signed-off-by: Casey Schaufler --- include/net/netlabel.h | 2 +- net/netlabel/netlabel_unlabeled.c | 5 +---- net/netlabel/netlabel_user.c | 7 +++---- net/netlabel/netlabel_user.h | 6 +----- security/smack/smackfs.c | 4 +--- 5 files changed, 7 insertions(+), 17 deletions(-) diff --git a/include/net/netlabel.h b/include/net/netlabel.h index 654bc777d2a7..37f5a290f040 100644 --- a/include/net/netlabel.h +++ b/include/net/netlabel.h @@ -97,7 +97,7 @@ struct calipso_doi; =20 /* NetLabel audit information */ struct netlbl_audit { - u32 secid; + struct lsm_prop prop; kuid_t loginuid; unsigned int sessionid; }; diff --git a/net/netlabel/netlabel_unlabeled.c b/net/netlabel/netlabel_unla= beled.c index 5925f48a3ade..1bc2d0890a9f 100644 --- a/net/netlabel/netlabel_unlabeled.c +++ b/net/netlabel/netlabel_unlabeled.c @@ -1534,14 +1534,11 @@ int __init netlbl_unlabel_defconf(void) int ret_val; struct netlbl_dom_map *entry; struct netlbl_audit audit_info; - struct lsm_prop prop; =20 /* Only the kernel is allowed to call this function and the only time * it is called is at bootup before the audit subsystem is reporting * messages so don't worry to much about these values. */ - security_current_getlsmprop_subj(&prop); - /* scaffolding */ - audit_info.secid =3D prop.scaffold.secid; + security_current_getlsmprop_subj(&audit_info.prop); audit_info.loginuid =3D GLOBAL_ROOT_UID; audit_info.sessionid =3D 0; =20 diff --git a/net/netlabel/netlabel_user.c b/net/netlabel/netlabel_user.c index 3ed4fea2a2de..81635a13987b 100644 --- a/net/netlabel/netlabel_user.c +++ b/net/netlabel/netlabel_user.c @@ -98,10 +98,9 @@ struct audit_buffer *netlbl_audit_start_common(int type, from_kuid(&init_user_ns, audit_info->loginuid), audit_info->sessionid); =20 - if (audit_info->secid !=3D 0 && - security_secid_to_secctx(audit_info->secid, - &secctx, - &secctx_len) =3D=3D 0) { + if (lsmprop_is_set(&audit_info->prop) && + security_lsmprop_to_secctx(&audit_info->prop, &secctx, + &secctx_len) =3D=3D 0) { audit_log_format(audit_buf, " subj=3D%s", secctx); security_release_secctx(secctx, secctx_len); } diff --git a/net/netlabel/netlabel_user.h b/net/netlabel/netlabel_user.h index 39f4f6df5f51..d4c434956212 100644 --- a/net/netlabel/netlabel_user.h +++ b/net/netlabel/netlabel_user.h @@ -32,11 +32,7 @@ */ static inline void netlbl_netlink_auditinfo(struct netlbl_audit *audit_inf= o) { - struct lsm_prop prop; - - security_current_getlsmprop_subj(&prop); - /* scaffolding */ - audit_info->secid =3D prop.scaffold.secid; + security_current_getlsmprop_subj(&audit_info->prop); audit_info->loginuid =3D audit_get_loginuid(current); audit_info->sessionid =3D audit_get_sessionid(current); } diff --git a/security/smack/smackfs.c b/security/smack/smackfs.c index e22aad7604e8..96e7cfc45e21 100644 --- a/security/smack/smackfs.c +++ b/security/smack/smackfs.c @@ -182,11 +182,9 @@ static inline void smack_catset_bit(unsigned int cat, = char *catsetp) */ static void smk_netlabel_audit_set(struct netlbl_audit *nap) { - struct smack_known *skp =3D smk_of_current(); - nap->loginuid =3D audit_get_loginuid(current); nap->sessionid =3D audit_get_sessionid(current); - nap->secid =3D skp->smk_secid; + nap->prop.smack.skp =3D smk_of_current(); } =20 /* --=20 2.46.0