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selinux: Allocate and free infiniband security hooks 

Implement and attach hooks to allocate and free Infiniband object
security structures.

Signed-off-by: Daniel Jurgens <danielj@mellanox.com>
Reviewed-by: James Morris <james.l.morris@oracle.com>
Acked-by: Doug Ledford <dledford@redhat.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
This commit is contained in:
Daniel Jurgens 2017-05-19 15:48:56 +03:00 committed by Paul Moore
parent a806f7a161
commit 3a976fa676
2 changed files with 29 additions and 1 deletions
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25
security/selinux/hooks.c
View File

@ -17,6 +17,7 @@
* Paul Moore <paul@paul-moore.com>
* Copyright (C) 2007 Hitachi Software Engineering Co., Ltd.
* Yuichi Nakamura <ynakam@hitachisoft.jp>
* 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,
@ -6144,7 +6145,26 @@ 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[] __lsm_ro_after_init = {
@ -6331,7 +6351,10 @@ static struct security_hook_list selinux_hooks[] __lsm_ro_after_init = {
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),

5
security/selinux/include/objsec.h
View File

@ -10,6 +10,7 @@
*
* Copyright (C) 2001,2002 Networks Associates Technology, Inc.
* Copyright (C) 2003 Red Hat, Inc., James Morris <jmorris@redhat.com>
* 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,
@ -139,6 +140,10 @@ 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_ */