cregit-Linux how code gets into the kernel

Release 4.7 security/selinux/include/objsec.h

/*
 *  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 <net/net_namespace.h>
#include "flask.h"
#include "avc.h"


struct task_security_struct {
	
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 */
};


enum label_initialized {
	
LABEL_INVALID,		/* invalid or not initialized */
	
LABEL_INITIALIZED	/* 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 */
	};
	
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;
};


struct file_security_struct {
	
u32 sid;		/* SID of open file description */
	
u32 fown_sid;		/* SID of file owner (for SIGIO) */
	
u32 isid;		/* SID of inode at the time of file open */
	
u32 pseqno;		/* Policy seqno at the time of file open */
};


struct superblock_security_struct {
	
struct super_block *sb;		/* back pointer to sb object */
	
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 short behavior;	/* labeling behavior */
	
unsigned short flags;		/* which mount options were specified */
	
struct mutex lock;
	
struct list_head isec_head;
	
spinlock_t isec_lock;
};


struct msg_security_struct {
	
u32 sid;	/* SID of message */
};


struct ipc_security_struct {
	
u16 sclass;	/* security class of this object */
	
u32 sid;	/* SID of IPC resource */
};


struct netif_security_struct {
	
struct net *ns;			/* network namespace */
	
int ifindex;			/* device index */
	
u32 sid;			/* SID for this interface */
};


struct netnode_security_struct {
	union {
		
__be32 ipv4;		/* IPv4 node address */
		
struct in6_addr ipv6;	/* IPv6 node address */
	} 
addr;
	
u32 sid;			/* SID for this node */
	
u16 family;			/* address family */
};


struct netport_security_struct {
	
u32 sid;			/* SID for this node */
	
u16 port;			/* port number */
	
u8 protocol;			/* transport protocol */
};


struct sk_security_struct {
#ifdef CONFIG_NETLABEL
	enum {				/* NetLabel state */
		
NLBL_UNSET = 0,
		
NLBL_REQUIRE,
		
NLBL_LABELED,
		
NLBL_REQSKB,
		
NLBL_CONNLABELED,
        } 
nlbl_state;
	
struct netlbl_lsm_secattr *nlbl_secattr; /* NetLabel sec attributes */
#endif
	
u32 sid;			/* SID of this object */
	
u32 peer_sid;			/* SID of peer */
	
u16 sclass;			/* sock security class */
};


struct tun_security_struct {
	
u32 sid;			/* SID for the tun device sockets */
};


struct key_security_struct {
	
u32 sid;	/* SID of key */
};

extern unsigned int selinux_checkreqprot;

#endif /* _SELINUX_OBJSEC_H_ */

Overall Contributors

PersonTokensPropCommitsCommitProp
andrew mortonandrew morton16448.24%618.75%
paul moorepaul moore9728.53%1134.38%
eric pariseric paris185.29%721.88%
venkat yekkiralavenkat yekkirala154.41%13.12%
michael lemaymichael lemay133.82%26.25%
steven rostedtsteven rostedt92.65%13.12%
yuichi nakamurayuichi nakamura82.35%13.12%
andreas gruenbacherandreas gruenbacher72.06%13.12%
stephen d. smalleystephen d. smalley51.47%13.12%
richard kennedyrichard kennedy41.18%13.12%
Total340100.00%32100.00%
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