linux-kernel - [PATCH ghak90 (was ghak32) V4 06/10] audit: add containerid support for tty

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Message-Id: <e41cb6760a8183c0955c378fce7b500819f9838f.1533065887.git.rgb@redhat.com>
Date:   Tue, 31 Jul 2018 16:07:41 -0400
From:   Richard Guy Briggs <rgb@...hat.com>
To:     containers@...ts.linux-foundation.org, linux-api@...r.kernel.org,
        Linux-Audit Mailing List <linux-audit@...hat.com>,
        linux-fsdevel@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
        netdev@...r.kernel.org, netfilter-devel@...r.kernel.org
Cc:     luto@...nel.org, carlos@...hat.com, viro@...iv.linux.org.uk,
        dhowells@...hat.com, simo@...hat.com, eparis@...isplace.org,
        serge@...lyn.com, ebiederm@...ssion.com,
        Richard Guy Briggs <rgb@...hat.com>
Subject: [PATCH ghak90 (was ghak32) V4 06/10] audit: add containerid support for tty_audit

Add audit container identifier auxiliary record to tty logging rule
event standalone records.

Signed-off-by: Richard Guy Briggs <rgb@...hat.com>
Acked-by: Serge Hallyn <serge@...lyn.com>
---
 drivers/tty/tty_audit.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/tty/tty_audit.c b/drivers/tty/tty_audit.c
index 50f567b..3e21477 100644
--- a/drivers/tty/tty_audit.c
+++ b/drivers/tty/tty_audit.c
@@ -66,8 +66,9 @@ static void tty_audit_log(const char *description, dev_t dev,
 	uid_t uid = from_kuid(&init_user_ns, task_uid(tsk));
 	uid_t loginuid = from_kuid(&init_user_ns, audit_get_loginuid(tsk));
 	unsigned int sessionid = audit_get_sessionid(tsk);
+	struct audit_context *context = audit_alloc_local(GFP_KERNEL);
 
-	ab = audit_log_start(NULL, GFP_KERNEL, AUDIT_TTY);
+	ab = audit_log_start(context, GFP_KERNEL, AUDIT_TTY);
 	if (ab) {
 		char name[sizeof(tsk->comm)];
 
@@ -80,6 +81,8 @@ static void tty_audit_log(const char *description, dev_t dev,
 		audit_log_n_hex(ab, data, size);
 		audit_log_end(ab);
 	}
+	audit_log_contid(context, "tty", audit_get_contid(tsk));
+	audit_free_context(context);
 }
 
 /**
-- 
1.8.3.1