From: Casey Schaufler <casey@schaufler-ca.com> To: casey.schaufler@intel.com, jmorris@namei.org, linux-security-module@vger.kernel.org, selinux@vger.kernel.org Cc: casey@schaufler-ca.com, linux-audit@redhat.com, keescook@chromium.org, john.johansen@canonical.com, penguin-kernel@i-love.sakura.ne.jp, paul@paul-moore.com, sds@tycho.nsa.gov, linux-kernel@vger.kernel.org Subject: [PATCH v31 22/28] Audit: Keep multiple LSM data in audit_names Date: Mon, 13 Dec 2021 15:40:28 -0800 [thread overview] Message-ID: <20211213234034.111891-23-casey@schaufler-ca.com> (raw) In-Reply-To: <20211213234034.111891-1-casey@schaufler-ca.com> Replace the osid field in the audit_names structure with a lsmblob structure. This accomodates the use of an lsmblob in security_audit_rule_match() and security_inode_getsecid(). Signed-off-by: Casey Schaufler <casey@schaufler-ca.com> Acked-by: Paul Moore <paul@paul-moore.com> --- kernel/audit.h | 2 +- kernel/auditsc.c | 22 ++++++++-------------- 2 files changed, 9 insertions(+), 15 deletions(-) diff --git a/kernel/audit.h b/kernel/audit.h index 527d4c4acb12..a2fca1134519 100644 --- a/kernel/audit.h +++ b/kernel/audit.h @@ -82,7 +82,7 @@ struct audit_names { kuid_t uid; kgid_t gid; dev_t rdev; - u32 osid; + struct lsmblob lsmblob; struct audit_cap_data fcap; unsigned int fcap_ver; unsigned char type; /* record type */ diff --git a/kernel/auditsc.c b/kernel/auditsc.c index 2cf39de8f961..d373b4d8eb34 100644 --- a/kernel/auditsc.c +++ b/kernel/auditsc.c @@ -691,17 +691,16 @@ static int audit_filter_rules(struct task_struct *tsk, * lsmblob, which happens later in * this patch set. */ - lsmblob_init(&blob, name->osid); result = security_audit_rule_match( - &blob, + &name->lsmblob, f->type, f->op, &f->lsm_rules); } else if (ctx) { list_for_each_entry(n, &ctx->names_list, list) { - lsmblob_init(&blob, n->osid); if (security_audit_rule_match( - &blob, f->type, f->op, + &n->lsmblob, + f->type, f->op, &f->lsm_rules)) { ++result; break; @@ -1528,13 +1527,12 @@ 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) { - struct lsmblob blob; + if (lsmblob_is_set(&n->lsmblob)) { struct lsmcontext lsmctx; - lsmblob_init(&blob, n->osid); - if (security_secid_to_secctx(&blob, &lsmctx, LSMBLOB_FIRST)) { - audit_log_format(ab, " osid=%u", n->osid); + if (security_secid_to_secctx(&n->lsmblob, &lsmctx, + LSMBLOB_FIRST)) { + audit_log_format(ab, " osid=?"); if (call_panic) *call_panic = 2; } else { @@ -2236,17 +2234,13 @@ static void audit_copy_inode(struct audit_names *name, const struct dentry *dentry, struct inode *inode, unsigned int flags) { - struct lsmblob blob; - 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, &blob); - /* scaffolding until osid is updated */ - name->osid = blob.secid[0]; + security_inode_getsecid(inode, &name->lsmblob); if (flags & AUDIT_INODE_NOEVAL) { name->fcap_ver = -1; return; -- 2.31.1
WARNING: multiple messages have this Message-ID (diff)
From: Casey Schaufler <casey@schaufler-ca.com> To: casey.schaufler@intel.com, jmorris@namei.org, linux-security-module@vger.kernel.org, selinux@vger.kernel.org Cc: john.johansen@canonical.com, linux-kernel@vger.kernel.org, linux-audit@redhat.com, sds@tycho.nsa.gov Subject: [PATCH v31 22/28] Audit: Keep multiple LSM data in audit_names Date: Mon, 13 Dec 2021 15:40:28 -0800 [thread overview] Message-ID: <20211213234034.111891-23-casey@schaufler-ca.com> (raw) In-Reply-To: <20211213234034.111891-1-casey@schaufler-ca.com> Replace the osid field in the audit_names structure with a lsmblob structure. This accomodates the use of an lsmblob in security_audit_rule_match() and security_inode_getsecid(). Signed-off-by: Casey Schaufler <casey@schaufler-ca.com> Acked-by: Paul Moore <paul@paul-moore.com> --- kernel/audit.h | 2 +- kernel/auditsc.c | 22 ++++++++-------------- 2 files changed, 9 insertions(+), 15 deletions(-) diff --git a/kernel/audit.h b/kernel/audit.h index 527d4c4acb12..a2fca1134519 100644 --- a/kernel/audit.h +++ b/kernel/audit.h @@ -82,7 +82,7 @@ struct audit_names { kuid_t uid; kgid_t gid; dev_t rdev; - u32 osid; + struct lsmblob lsmblob; struct audit_cap_data fcap; unsigned int fcap_ver; unsigned char type; /* record type */ diff --git a/kernel/auditsc.c b/kernel/auditsc.c index 2cf39de8f961..d373b4d8eb34 100644 --- a/kernel/auditsc.c +++ b/kernel/auditsc.c @@ -691,17 +691,16 @@ static int audit_filter_rules(struct task_struct *tsk, * lsmblob, which happens later in * this patch set. */ - lsmblob_init(&blob, name->osid); result = security_audit_rule_match( - &blob, + &name->lsmblob, f->type, f->op, &f->lsm_rules); } else if (ctx) { list_for_each_entry(n, &ctx->names_list, list) { - lsmblob_init(&blob, n->osid); if (security_audit_rule_match( - &blob, f->type, f->op, + &n->lsmblob, + f->type, f->op, &f->lsm_rules)) { ++result; break; @@ -1528,13 +1527,12 @@ 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) { - struct lsmblob blob; + if (lsmblob_is_set(&n->lsmblob)) { struct lsmcontext lsmctx; - lsmblob_init(&blob, n->osid); - if (security_secid_to_secctx(&blob, &lsmctx, LSMBLOB_FIRST)) { - audit_log_format(ab, " osid=%u", n->osid); + if (security_secid_to_secctx(&n->lsmblob, &lsmctx, + LSMBLOB_FIRST)) { + audit_log_format(ab, " osid=?"); if (call_panic) *call_panic = 2; } else { @@ -2236,17 +2234,13 @@ static void audit_copy_inode(struct audit_names *name, const struct dentry *dentry, struct inode *inode, unsigned int flags) { - struct lsmblob blob; - 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, &blob); - /* scaffolding until osid is updated */ - name->osid = blob.secid[0]; + security_inode_getsecid(inode, &name->lsmblob); if (flags & AUDIT_INODE_NOEVAL) { name->fcap_ver = -1; return; -- 2.31.1 -- Linux-audit mailing list Linux-audit@redhat.com https://listman.redhat.com/mailman/listinfo/linux-audit
next prev parent reply other threads:[~2021-12-14 0:05 UTC|newest] Thread overview: 74+ messages / expand[flat|nested] mbox.gz Atom feed top [not found] <20211213234034.111891-1-casey.ref@schaufler-ca.com> 2021-12-13 23:40 ` [PATCH v31 00/28] LSM: Module stacking for AppArmor Casey Schaufler 2021-12-13 23:40 ` Casey Schaufler 2021-12-13 23:40 ` [PATCH v31 01/28] integrity: disassociate ima_filter_rule from security_audit_rule Casey Schaufler 2021-12-13 23:40 ` Casey Schaufler 2021-12-14 13:33 ` kernel test robot 2021-12-14 13:33 ` kernel test robot 2021-12-14 13:33 ` kernel test robot 2021-12-13 23:40 ` [PATCH v31 02/28] LSM: Infrastructure management of the sock security Casey Schaufler 2021-12-13 23:40 ` Casey Schaufler 2021-12-13 23:40 ` [PATCH v31 03/28] LSM: Add the lsmblob data structure Casey Schaufler 2021-12-13 23:40 ` Casey Schaufler 2021-12-13 23:40 ` [PATCH v31 04/28] LSM: provide lsm name and id slot mappings Casey Schaufler 2021-12-13 23:40 ` Casey Schaufler 2021-12-13 23:40 ` [PATCH v31 05/28] IMA: avoid label collisions with stacked LSMs Casey Schaufler 2021-12-13 23:40 ` Casey Schaufler 2021-12-13 23:40 ` [PATCH v31 06/28] LSM: Use lsmblob in security_audit_rule_match Casey Schaufler 2021-12-13 23:40 ` Casey Schaufler 2021-12-13 23:40 ` [PATCH v31 07/28] LSM: Use lsmblob in security_kernel_act_as Casey Schaufler 2021-12-13 23:40 ` Casey Schaufler 2021-12-13 23:40 ` [PATCH v31 08/28] LSM: Use lsmblob in security_secctx_to_secid Casey Schaufler 2021-12-13 23:40 ` Casey Schaufler 2021-12-13 23:40 ` [PATCH v31 09/28] LSM: Use lsmblob in security_secid_to_secctx Casey Schaufler 2021-12-13 23:40 ` Casey Schaufler 2021-12-13 23:40 ` [PATCH v31 10/28] LSM: Use lsmblob in security_ipc_getsecid Casey Schaufler 2021-12-13 23:40 ` Casey Schaufler 2021-12-13 23:40 ` [PATCH v31 11/28] LSM: Use lsmblob in security_task_getsecid Casey Schaufler 2021-12-13 23:40 ` Casey Schaufler 2021-12-13 23:40 ` [PATCH v31 12/28] LSM: Use lsmblob in security_inode_getsecid Casey Schaufler 2021-12-13 23:40 ` Casey Schaufler 2021-12-13 23:40 ` [PATCH v31 13/28] LSM: Use lsmblob in security_cred_getsecid Casey Schaufler 2021-12-13 23:40 ` Casey Schaufler 2021-12-15 9:14 ` kernel test robot 2021-12-15 9:14 ` kernel test robot 2021-12-15 9:14 ` kernel test robot 2021-12-13 23:40 ` [PATCH v31 14/28] LSM: Specify which LSM to display Casey Schaufler 2021-12-13 23:40 ` Casey Schaufler 2021-12-14 18:38 ` Christian Göttsche 2021-12-14 18:38 ` Christian Göttsche 2021-12-14 18:49 ` Casey Schaufler 2021-12-14 18:49 ` Casey Schaufler 2021-12-13 23:40 ` [PATCH v31 15/28] LSM: Ensure the correct LSM context releaser Casey Schaufler 2021-12-13 23:40 ` Casey Schaufler 2021-12-13 23:40 ` [PATCH v31 16/28] LSM: Use lsmcontext in security_secid_to_secctx Casey Schaufler 2021-12-13 23:40 ` Casey Schaufler 2021-12-13 23:40 ` [PATCH v31 17/28] LSM: Use lsmcontext in security_inode_getsecctx Casey Schaufler 2021-12-13 23:40 ` Casey Schaufler 2021-12-13 23:40 ` [PATCH v31 18/28] LSM: security_secid_to_secctx in netlink netfilter Casey Schaufler 2021-12-13 23:40 ` Casey Schaufler 2021-12-13 23:40 ` [PATCH v31 19/28] NET: Store LSM netlabel data in a lsmblob Casey Schaufler 2021-12-13 23:40 ` Casey Schaufler 2021-12-13 23:40 ` [PATCH v31 20/28] binder: Pass LSM identifier for confirmation Casey Schaufler 2021-12-13 23:40 ` Casey Schaufler 2021-12-13 23:40 ` [PATCH v31 21/28] LSM: Extend security_secid_to_secctx to include module selection Casey Schaufler 2021-12-13 23:40 ` Casey Schaufler 2021-12-13 23:40 ` Casey Schaufler [this message] 2021-12-13 23:40 ` [PATCH v31 22/28] Audit: Keep multiple LSM data in audit_names Casey Schaufler 2021-12-13 23:40 ` [PATCH v31 23/28] Audit: Create audit_stamp structure Casey Schaufler 2021-12-13 23:40 ` Casey Schaufler 2021-12-13 23:40 ` [PATCH v31 24/28] Audit: Add framework for auxiliary records Casey Schaufler 2021-12-13 23:40 ` Casey Schaufler 2021-12-13 23:40 ` [PATCH v31 25/28] Audit: Add record for multiple task security contexts Casey Schaufler 2021-12-13 23:40 ` Casey Schaufler 2021-12-13 23:40 ` [PATCH v31 26/28] Audit: Add record for multiple object " Casey Schaufler 2021-12-13 23:40 ` Casey Schaufler 2021-12-14 13:12 ` kernel test robot 2021-12-14 13:12 ` kernel test robot 2021-12-14 13:12 ` kernel test robot 2021-12-14 13:22 ` kernel test robot 2021-12-14 13:22 ` kernel test robot 2021-12-14 13:22 ` kernel test robot 2021-12-13 23:40 ` [PATCH v31 27/28] LSM: Add /proc attr entry for full LSM context Casey Schaufler 2021-12-13 23:40 ` Casey Schaufler 2021-12-13 23:40 ` [PATCH v31 28/28] AppArmor: Remove the exclusive flag Casey Schaufler 2021-12-13 23:40 ` Casey Schaufler
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