Release 4.11 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 */
};
/*
* get the subjective security ID of the current task
*/
static inline u32 current_sid(void)
{
const struct task_security_struct *tsec = current_security();
return tsec->sid;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Stephen D. Smalley | 23 | 100.00% | 1 | 100.00% |
| Total | 23 | 100.00% | 1 | 100.00% |
enum label_initialized {
LABEL_INVALID, /* invalid or not initialized */
LABEL_INITIALIZED, /* initialized */
LABEL_PENDING
};
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 */
spinlock_t 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
| Person | Tokens | Prop | Commits | CommitProp |
| Andrew Morton | 164 | 44.93% | 6 | 17.65% |
| Paul Moore | 97 | 26.58% | 11 | 32.35% |
| Stephen D. Smalley | 29 | 7.95% | 2 | 5.88% |
| Eric Paris | 18 | 4.93% | 7 | 20.59% |
| Venkat Yekkirala | 15 | 4.11% | 1 | 2.94% |
| Michael LeMay | 13 | 3.56% | 2 | 5.88% |
| Andreas Gruenbacher | 10 | 2.74% | 2 | 5.88% |
| Steven Rostedt | 9 | 2.47% | 1 | 2.94% |
| Yuichi Nakamura | 8 | 2.19% | 1 | 2.94% |
| Richard Kennedy | 2 | 0.55% | 1 | 2.94% |
| Total | 365 | 100.00% | 34 | 100.00% |
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