/* *  NSA Security-Enhanced Linux (SELinux) security module * *  This file contains the SELinux security data structures for kernel objects. * *  Author(s):  Stephen Smalley, <sds@epoch.ncsc.mil> *              Chris Vance, <cvance@nai.com> *              Wayne Salamon, <wsalamon@nai.com> *              James Morris <jmorris@redhat.com> * *  Copyright (C) 2001,2002 Networks Associates Technology, Inc. *  Copyright (C) 2003 Red Hat, Inc., James Morris <jmorris@redhat.com> * *	This program is free software; you can redistribute it and/or modify *	it under the terms of the GNU General Public License version 2, *      as published by the Free Software Foundation. */#ifndef _SELINUX_OBJSEC_H_#define _SELINUX_OBJSEC_H_ #include <linux/list.h>#include <linux/sched.h>#include <linux/fs.h>#include <linux/binfmts.h>#include <linux/in.h>#include <linux/spinlock.h>#include "flask.h"#include "avc.h" struct task_security_struct {	struct task_struct *task;      /* back pointer to task object */	u32 osid;            /* SID prior to last execve */	u32 sid;             /* current SID */	u32 exec_sid;        /* exec SID */	u32 create_sid;      /* fscreate SID */	u32 keycreate_sid;   /* keycreate SID */	u32 sockcreate_sid;  /* fscreate SID */	u32 ptrace_sid;      /* SID of ptrace parent */}; struct inode_security_struct {        struct inode *inode;           /* back pointer to inode object */	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 */	unsigned char initialized;     /* initialization flag */	struct mutex lock;	unsigned char inherit;         /* inherit SID from parent entry */}; struct file_security_struct {	struct file *file;              /* back pointer to file object */	u32 sid;              /* SID of open file description */	u32 fown_sid;         /* SID of file owner (for SIGIO) */}; struct superblock_security_struct {	struct super_block *sb;         /* back pointer to sb object */	struct list_head list;          /* list of superblock_security_struct */	u32 sid;			/* SID of file system superblock */	u32 def_sid;			/* default SID for labeling */	u32 mntpoint_sid;		/* SECURITY_FS_USE_MNTPOINT context for files */	unsigned int behavior;          /* labeling behavior */	unsigned char initialized;      /* initialization flag */	unsigned char proc;             /* proc fs */	struct mutex lock;	struct list_head isec_head;	spinlock_t isec_lock;}; struct msg_security_struct {	struct msg_msg *msg;		/* back pointer */	u32 sid;              /* SID of message */}; struct ipc_security_struct {	struct kern_ipc_perm *ipc_perm; /* back pointer */	u16 sclass;	/* security class of this object */	u32 sid;              /* SID of IPC resource */}; struct bprm_security_struct {	struct linux_binprm *bprm;     /* back pointer to bprm object */	u32 sid;                       /* SID for transformed process */	unsigned char set; 	/*	 * unsafe is used to share failure information from bprm_apply_creds()	 * to bprm_post_apply_creds().	 */	char unsafe;}; struct netif_security_struct {	struct net_device *dev;		/* back pointer */	u32 if_sid;			/* SID for this interface */	u32 msg_sid;			/* default SID for messages received on this interface */}; struct sk_security_struct {	struct sock *sk;		/* back pointer to sk object */	u32 sid;			/* SID of this object */	u32 peer_sid;			/* SID of peer */#ifdef CONFIG_NETLABEL	u16 sclass;			/* sock security class */	enum {				/* NetLabel state */		NLBL_UNSET = 0,		NLBL_REQUIRE,		NLBL_LABELED,	} nlbl_state;	spinlock_t nlbl_lock;		/* protects nlbl_state */#endif}; struct key_security_struct {	struct key *obj; /* back pointer */	u32 sid;         /* SID of key */}; extern unsigned int selinux_checkreqprot; #endif /* _SELINUX_OBJSEC_H_ */