From: Daniel Jurgens <danielj@xxxxxxxxxxxx>
Implement and attach hooks to allocate and free Infiniband object
security structures.
issue: 736423
Change-Id: I3bdbecee7aab6d7615a02967c39a5a8792a14d44
Signed-off-by: Daniel Jurgens <danielj@xxxxxxxxxxxx>
---
v2:
- Use void * blobs for security structs. Paul Moore
- Shorten ib_end_port to ib_port. Paul Moore
- Allocate memory for security struct with GFP_KERNEL. Yuval Shaia
Signed-off-by: Daniel Jurgens <danielj@xxxxxxxxxxxx>
---
security/selinux/hooks.c | 25 ++++++++++++++++++++++++-
security/selinux/include/objsec.h | 5 +++++
2 files changed, 29 insertions(+), 1 deletion(-)
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 7578198..f48759d 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -17,6 +17,7 @@
* Paul Moore <paul@xxxxxxxxxxxxxx>
* Copyright (C) 2007 Hitachi Software Engineering Co., Ltd.
* Yuichi Nakamura <ynakam@xxxxxxxxxxxxxx>
+ * Copyright (C) 2016 Mellanox Technologies
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2,
@@ -6082,7 +6083,26 @@ static int selinux_key_getsecurity(struct key *key, char **_buffer)
*_buffer = context;
return rc;
}
+#endif
+
+#ifdef CONFIG_SECURITY_INFINIBAND
+static int selinux_ib_alloc_security(void **ib_sec)
+{
+ struct ib_security_struct *sec;
+
+ sec = kzalloc(sizeof(*sec), GFP_KERNEL);
+ if (!sec)
+ return -ENOMEM;
+ sec->sid = current_sid();
+
+ *ib_sec = sec;
+ return 0;
+}
+static void selinux_ib_free_security(void *ib_sec)
+{
+ kfree(ib_sec);
+}
#endif
static struct security_hook_list selinux_hooks[] = {
@@ -6269,7 +6289,10 @@ static int selinux_key_getsecurity(struct key *key, char **_buffer)
LSM_HOOK_INIT(tun_dev_attach_queue, selinux_tun_dev_attach_queue),
LSM_HOOK_INIT(tun_dev_attach, selinux_tun_dev_attach),
LSM_HOOK_INIT(tun_dev_open, selinux_tun_dev_open),
-
+#ifdef CONFIG_SECURITY_INFINIBAND
+ LSM_HOOK_INIT(ib_alloc_security, selinux_ib_alloc_security),
+ LSM_HOOK_INIT(ib_free_security, selinux_ib_free_security),
+#endif
#ifdef CONFIG_SECURITY_NETWORK_XFRM
LSM_HOOK_INIT(xfrm_policy_alloc_security, selinux_xfrm_policy_alloc),
LSM_HOOK_INIT(xfrm_policy_clone_security, selinux_xfrm_policy_clone),
diff --git a/security/selinux/include/objsec.h b/security/selinux/include/objsec.h
index c21e135..8e7db43 100644
--- a/security/selinux/include/objsec.h
+++ b/security/selinux/include/objsec.h
@@ -10,6 +10,7 @@
*
* Copyright (C) 2001,2002 Networks Associates Technology, Inc.
* Copyright (C) 2003 Red Hat, Inc., James Morris <jmorris@xxxxxxxxxx>
+ * Copyright (C) 2016 Mellanox Technologies
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2,
@@ -128,6 +129,10 @@ struct key_security_struct {
u32 sid; /* SID of key */
};
+struct ib_security_struct {
+ u32 sid; /* SID of the queue pair or MAD agent */
+};
+
extern unsigned int selinux_checkreqprot;
#endif /* _SELINUX_OBJSEC_H_ */
--
1.8.3.1
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