[RFC PATCH v3 3/5] lsm: add support for auditing kdbus service names

[Paul Moore <pmoore@redhat.com>]

The kdbus service names will be recorded using 'service', similar to
the existing dbus audit records.

Signed-off-by: Paul Moore <pmoore@redhat.com>

---
ChangeLog:
- v3
 * Ported to the 4.3-rc4 based kdbus tree
- v2
 * Initial draft
---
 include/linux/lsm_audit.h |    2 ++
 security/lsm_audit.c      |    4 ++++
 2 files changed, 6 insertions(+)

diff --git a/include/linux/lsm_audit.h b/include/linux/lsm_audit.h
index ffb9c9d..d6a656f 100644
--- a/include/linux/lsm_audit.h
+++ b/include/linux/lsm_audit.h
@@ -59,6 +59,7 @@ struct common_audit_data {
 #define LSM_AUDIT_DATA_INODE	9
 #define LSM_AUDIT_DATA_DENTRY	10
 #define LSM_AUDIT_DATA_IOCTL_OP	11
+#define LSM_AUDIT_DATA_KDBUS	12
 	union 	{
 		struct path path;
 		struct dentry *dentry;
@@ -75,6 +76,7 @@ struct common_audit_data {
 #endif
 		char *kmod_name;
 		struct lsm_ioctlop_audit *op;
+		const char *kdbus_name;
 	} u;
 	/* this union contains LSM specific data */
 	union {
diff --git a/security/lsm_audit.c b/security/lsm_audit.c
index cccbf30..0a3dc1b 100644
--- a/security/lsm_audit.c
+++ b/security/lsm_audit.c
@@ -397,6 +397,10 @@ static void dump_common_audit_data(struct audit_buffer *ab,
 		audit_log_format(ab, " kmod=");
 		audit_log_untrustedstring(ab, a->u.kmod_name);
 		break;
+	case LSM_AUDIT_DATA_KDBUS:
+		audit_log_format(ab, " service=");
+		audit_log_untrustedstring(ab, a->u.kdbus_name);
+		break;
 	} /* switch (a->type) */
 }