From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 481AAC28CC6 for ; Sun, 2 Jun 2019 16:52:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1DF4227987 for ; Sun, 2 Jun 2019 16:52:41 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=yahoo.com header.i=@yahoo.com header.b="QQZcn3HI" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726980AbfFBQwk (ORCPT ); Sun, 2 Jun 2019 12:52:40 -0400 Received: from sonic309-27.consmr.mail.gq1.yahoo.com ([98.137.65.153]:37700 "EHLO sonic309-27.consmr.mail.gq1.yahoo.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726631AbfFBQwk (ORCPT ); Sun, 2 Jun 2019 12:52:40 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s2048; t=1559494359; bh=NLJ9WRLN3mqnoEKmIr7GkqEF3TZIbdXheKniGVooL5g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From:Subject; b=QQZcn3HIGH5lFNHVaJbpPUXuG0TQA7F+B9BZ76foR43HrSPC56vqV99T1SkyBY36ZXQmT8sBa9t7SnBdxbfrpmRwUX1BI/spfBjDsiHy1xhwXn2507GQQ0kXvqVTYMw3cdHiwELAYuqUn2hH5X7rALL1m9XSuN4Yna1LfThDqARI8qsMN4Uhp9R2c1vFRQIgft5RYTgMaSuHp/QtlHz6VY4Z8ARiLqdO1hkpSvMSRqXVbE1AVcWV9oD7db884A8SdH0oJXFshgMBBGM0nmHQ1qOwvNfE8y+GeTO5MqyGUNIQqMcCcW8v1jOsA26ocHLiAl4C8UsPzoj9z49H0cEaHg== X-YMail-OSG: CpKt2wkVM1nrbhXJGB2wnN0Qx61d.8PepWm7vcHViKGjHllzt4RV0mtjy5IuXm4 _oegOQeJJFLV7tqgIeIxSu7v2DObW5lvP.xUB1Cyr3limKnZ9Ww_UafhFsTj7lICvaPDCgmsyT_O cO5B1uk1n7bYOZbPmIF4glArBaYfzw2H5rXYLvwCD.zDPDxFh6eXUoG0mHelHbnLTDX_LbTmoTh5 2OLla1XzJBcS9l2.Y4T94Nz1o91NlWHCUdpN_PPoGbwuHRmH281JVeWj.YiFY51hQfquMmcZy6Tt iBfGCYitHTWP0R8QZbBE8RjBNh35dSv5M1x_yZqlMtAnbUUbW8anbh6GKonvGUgFeFBaDwXPZejg Naxf7doglk0uGdx_Ss2SQGCiD5YbPhjWvVbx4v0dVoFn8wrk8HcUIdK.qXK4tqOAwv5laJlzn2rH QovOLemFm3tqzIZwkKMb0tgexglCjsPMy2HMRt9wzn_5SpGYZBeFBa5PMBmolTMmdj1yUu1KmQeU fHprDCCUVYKoZyVe8YV8VhoUIK.gJP4LWQJxJQ0IwFQFoH4Kil1ybijtpk9AlknIAw7CQ3v0yZ1Z .DP_Si0Lb14Qz4OcC9caOct0jZL6c021hmJiP0JGd.P_1H_NT.IvjWn0viu4g1BSGhwrxf9fJ0xr 6jN0xeTumc4IgVVB74Dp8xcPrOnanebSo9wkQ.x1QiikjlOa4dWdhC_IKtZ6OW_DANLZs9jUbWJH XKttAvt2G8Ua_UuBccTawpbem3H29n.3p1toxbQVUcECefjtK6E1RxDXMAPPqot.vs76RSNmMkYA jQOwVEAMGgAUX6EAv1qy1zqlsZevT8TGxOE_eDQwLGrZ9wQjJfCANsNV1mPZJUcPDGI8geTFzDw7 ekg9oc1B0G6c1XhW3N_B_W_lb4ZClHxgp9El4DYmcLYYNRJPVJGnme5D0ZJXdn3R1wAlP11ZZslk A4JenZT.pIJZFK.rkNyRscEUv25KInP3P2RWuKgA1ojfYH2XRIdrsTCRTUGWFGjLC9WlKTuqdRxm Gl8mf3vshdzfBnjZ.tIX_njSfIb.5HYqmc1l9Lvau3Mqtkqqi7p0MAIs98CYq51yymJJHj4PzeOh pOJ7pdWriSKeRbubZ4c56RyjCsasj6XimWy736eUz2pX2G7BnwVsn6oIQG6fU6YxBQ2n8KmeslxM hTB0ZHL.LkIzX.w3DQUNqDkwGz.q6ZjDzsoeAyFlUL85itm7gCka4rB2plRuv1O2BRoHt1h8HqcR ji_4wul9DyBtXnWnNO6o49vGtORArHzgH9g49di_a7PFSj55BgHA8 Received: from sonic.gate.mail.ne1.yahoo.com by sonic309.consmr.mail.gq1.yahoo.com with HTTP; Sun, 2 Jun 2019 16:52:39 +0000 Received: from c-73-223-4-185.hsd1.ca.comcast.net (EHLO localhost.net) ([73.223.4.185]) by smtp408.mail.gq1.yahoo.com (Oath Hermes SMTP Server) with ESMTPA ID 225d748664d0767f72d028f09ace7268; Sun, 02 Jun 2019 16:52:37 +0000 (UTC) From: Casey Schaufler To: casey.schaufler@intel.com, jmorris@namei.org, linux-security-module@vger.kernel.org, selinux@vger.kernel.org Cc: casey@schaufler-ca.com, keescook@chromium.org, john.johansen@canonical.com, penguin-kernel@i-love.sakura.ne.jp, paul@paul-moore.com, sds@tycho.nsa.gov Subject: [PATCH 24/58] Audit: Convert osid to an lsm_export structure Date: Sun, 2 Jun 2019 09:50:27 -0700 Message-Id: <20190602165101.25079-25-casey@schaufler-ca.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190602165101.25079-1-casey@schaufler-ca.com> References: <20190602165101.25079-1-casey@schaufler-ca.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: owner-linux-security-module@vger.kernel.org Precedence: bulk List-ID: Convert osid to be an lsm_export structure instead of a u32 secid. Clean out the associated scaffolding. Change the name to olsm to be descriptive. Signed-off-by: Casey Schaufler --- kernel/audit.c | 4 +--- kernel/audit.h | 4 ++-- kernel/auditsc.c | 36 ++++++++++++------------------------ 3 files changed, 15 insertions(+), 29 deletions(-) diff --git a/kernel/audit.c b/kernel/audit.c index 5226e2af9498..d83d1f05c95d 100644 --- a/kernel/audit.c +++ b/kernel/audit.c @@ -2073,12 +2073,10 @@ int audit_log_task_context(struct audit_buffer *ab) char *ctx = NULL; unsigned len; int error; - u32 sid; struct lsm_export le; security_task_getsecid(current, &le); - lsm_export_secid(&le, &sid); - if (!sid) + if (!lsm_export_any(&le)) return 0; error = security_secid_to_secctx(&le, &ctx, &len); diff --git a/kernel/audit.h b/kernel/audit.h index e2e6fa911f9c..7d2fcdf0bc94 100644 --- a/kernel/audit.h +++ b/kernel/audit.h @@ -91,7 +91,7 @@ struct audit_names { kuid_t uid; kgid_t gid; dev_t rdev; - u32 osid; + struct lsm_export olsm; struct audit_cap_data fcap; unsigned int fcap_ver; unsigned char type; /* record type */ @@ -165,7 +165,7 @@ struct audit_context { kuid_t uid; kgid_t gid; umode_t mode; - u32 osid; + struct lsm_export olsm; int has_perm; uid_t perm_uid; gid_t perm_gid; diff --git a/kernel/auditsc.c b/kernel/auditsc.c index 75d181029d40..d64775f4bb1b 100644 --- a/kernel/auditsc.c +++ b/kernel/auditsc.c @@ -645,17 +645,15 @@ static int audit_filter_rules(struct task_struct *tsk, if (f->lsm_rule) { /* Find files that match */ if (name) { - lsm_export_to_all(&le, name->osid); result = security_audit_rule_match( - &le, + &name->olsm, f->type, f->op, f->lsm_rule); } else if (ctx) { list_for_each_entry(n, &ctx->names_list, list) { - lsm_export_to_all(&le, n->osid); if (security_audit_rule_match( - &le, + &n->olsm, f->type, f->op, f->lsm_rule)) { @@ -667,8 +665,7 @@ static int audit_filter_rules(struct task_struct *tsk, /* Find ipc objects that match */ if (!ctx || ctx->type != AUDIT_IPC) break; - lsm_export_to_all(&le, ctx->ipc.osid); - if (security_audit_rule_match(&le, + if (security_audit_rule_match(&ctx->ipc.olsm, f->type, f->op, f->lsm_rule)) ++result; @@ -1187,19 +1184,17 @@ static void show_special(struct audit_context *context, int *call_panic) context->socketcall.args[i]); break; } case AUDIT_IPC: { - u32 osid = context->ipc.osid; + struct lsm_export *l = &context->ipc.olsm; audit_log_format(ab, "ouid=%u ogid=%u mode=%#ho", from_kuid(&init_user_ns, context->ipc.uid), from_kgid(&init_user_ns, context->ipc.gid), context->ipc.mode); - if (osid) { + if (lsm_export_any(l)) { char *ctx = NULL; u32 len; - struct lsm_export le; - lsm_export_to_all(&le, osid); - if (security_secid_to_secctx(&le, &ctx, &len)) { - audit_log_format(ab, " osid=%u", osid); + if (security_secid_to_secctx(l, &ctx, &len)) { + audit_log_format(ab, " osid=(unknown)"); *call_panic = 1; } else { audit_log_format(ab, " obj=%s", ctx); @@ -1346,14 +1341,12 @@ static void audit_log_name(struct audit_context *context, struct audit_names *n, from_kgid(&init_user_ns, n->gid), MAJOR(n->rdev), MINOR(n->rdev)); - if (n->osid != 0) { + if (lsm_export_any(&n->olsm)) { char *ctx = NULL; u32 len; - struct lsm_export le; - lsm_export_to_all(&le, n->osid); - if (security_secid_to_secctx(&le, &ctx, &len)) { - audit_log_format(ab, " osid=%u", n->osid); + if (security_secid_to_secctx(&n->olsm, &ctx, &len)) { + audit_log_format(ab, " osid=(unknown)"); if (call_panic) *call_panic = 2; } else { @@ -1907,16 +1900,13 @@ static inline int audit_copy_fcaps(struct audit_names *name, void audit_copy_inode(struct audit_names *name, const struct dentry *dentry, struct inode *inode, unsigned int flags) { - struct lsm_export le; - name->ino = inode->i_ino; name->dev = inode->i_sb->s_dev; name->mode = inode->i_mode; name->uid = inode->i_uid; name->gid = inode->i_gid; name->rdev = inode->i_rdev; - security_inode_getsecid(inode, &le); - lsm_export_secid(&le, &name->osid); + security_inode_getsecid(inode, &name->olsm); if (flags & AUDIT_INODE_NOEVAL) { name->fcap_ver = -1; return; @@ -2266,13 +2256,11 @@ void __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat) void __audit_ipc_obj(struct kern_ipc_perm *ipcp) { struct audit_context *context = audit_context(); - struct lsm_export le; context->ipc.uid = ipcp->uid; context->ipc.gid = ipcp->gid; context->ipc.mode = ipcp->mode; context->ipc.has_perm = 0; - security_ipc_getsecid(ipcp, &le); - lsm_export_secid(&le, &context->ipc.osid); + security_ipc_getsecid(ipcp, &context->ipc.olsm); context->type = AUDIT_IPC; } -- 2.19.1