diff options
Diffstat (limited to 'security/selinux/include/objsec.h')
| -rw-r--r-- | security/selinux/include/objsec.h | 38 |
1 files changed, 34 insertions, 4 deletions
diff --git a/security/selinux/include/objsec.h b/security/selinux/include/objsec.h index cc5e26b0161b..231262d8eac9 100644 --- a/security/selinux/include/objsec.h +++ b/security/selinux/include/objsec.h @@ -25,6 +25,8 @@ #include <linux/binfmts.h> #include <linux/in.h> #include <linux/spinlock.h> +#include <linux/lsm_hooks.h> +#include <linux/msg.h> #include <net/net_namespace.h> #include "flask.h" #include "avc.h" @@ -56,10 +58,7 @@ enum label_initialized { struct inode_security_struct { struct inode *inode; /* back pointer to inode object */ - union { - struct list_head list; /* list of inode_security_struct */ - struct rcu_head rcu; /* for freeing the inode_security_struct */ - }; + struct list_head list; /* list of inode_security_struct */ u32 task_sid; /* SID of creating task */ u32 sid; /* SID of this object */ u16 sclass; /* security class of this object */ @@ -158,4 +157,35 @@ struct bpf_security_struct { u32 sid; /*SID of bpf obj creater*/ }; +extern struct lsm_blob_sizes selinux_blob_sizes; +static inline struct task_security_struct *selinux_cred(const struct cred *cred) +{ + return cred->security + selinux_blob_sizes.lbs_cred; +} + +static inline struct file_security_struct *selinux_file(const struct file *file) +{ + return file->f_security + selinux_blob_sizes.lbs_file; +} + +static inline struct inode_security_struct *selinux_inode( + const struct inode *inode) +{ + if (unlikely(!inode->i_security)) + return NULL; + return inode->i_security + selinux_blob_sizes.lbs_inode; +} + +static inline struct msg_security_struct *selinux_msg_msg( + const struct msg_msg *msg_msg) +{ + return msg_msg->security + selinux_blob_sizes.lbs_msg_msg; +} + +static inline struct ipc_security_struct *selinux_ipc( + const struct kern_ipc_perm *ipc) +{ + return ipc->security + selinux_blob_sizes.lbs_ipc; +} + #endif /* _SELINUX_OBJSEC_H_ */ |