[PATCH v7 6/9] selinux: Allocate and free infiniband security hooks
STALE3420d
From: Dan Jurgens <hidden>
Date: 2017-05-19 12:48:56
Also in:
linux-rdma, selinux
Subsystem:
selinux security module, the rest · Maintainers:
Paul Moore, Stephen Smalley, Linus Torvalds
From: Daniel Jurgens <redacted> Implement and attach hooks to allocate and free Infiniband object security structures. Signed-off-by: Daniel Jurgens <redacted> --- 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 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 bc77c56..d580268 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c@@ -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,
@@ -6156,7 +6157,26 @@ 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 = {
@@ -6343,7 +6363,10 @@ 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 c03cdcd..b7f15f7 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@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_ */
--
2.7.4
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