From 3a976fa6767f3edebbf43839b686efaf71b8dee1 Mon Sep 17 00:00:00 2001 From: Daniel Jurgens Date: Fri, 19 May 2017 15:48:56 +0300 Subject: [PATCH] selinux: Allocate and free infiniband security hooks Implement and attach hooks to allocate and free Infiniband object security structures. Signed-off-by: Daniel Jurgens Reviewed-by: James Morris Acked-by: Doug Ledford Signed-off-by: Paul Moore --- 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 b005acbcc6e9..062b459b62bf 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -17,6 +17,7 @@ * Paul Moore * Copyright (C) 2007 Hitachi Software Engineering Co., Ltd. * Yuichi Nakamura + * 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), diff --git a/security/selinux/include/objsec.h b/security/selinux/include/objsec.h index c03cdcd12a3b..b7f15f7dc9af 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 + * 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_ */