diff options
Diffstat (limited to 'security/selinux/include/objsec.h')
| -rw-r--r-- | security/selinux/include/objsec.h | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/security/selinux/include/objsec.h b/security/selinux/include/objsec.h new file mode 100644 index 000000000000..887937c8134a --- /dev/null +++ b/security/selinux/include/objsec.h @@ -0,0 +1,112 @@ +/* + * 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 "flask.h" +#include "avc.h" + +struct task_security_struct { + unsigned long magic; /* magic number for this module */ + 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 ptrace_sid; /* SID of ptrace parent */ +}; + +struct inode_security_struct { + unsigned long magic; /* magic number for this module */ + 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 semaphore sem; + unsigned char inherit; /* inherit SID from parent entry */ +}; + +struct file_security_struct { + unsigned long magic; /* magic number for this module */ + 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 { + unsigned long magic; /* magic number for this module */ + struct super_block *sb; /* back pointer to sb object */ + struct list_head list; /* list of superblock_security_struct */ + u32 sid; /* SID of file system */ + u32 def_sid; /* default SID for labeling */ + unsigned int behavior; /* labeling behavior */ + unsigned char initialized; /* initialization flag */ + unsigned char proc; /* proc fs */ + struct semaphore sem; + struct list_head isec_head; + spinlock_t isec_lock; +}; + +struct msg_security_struct { + unsigned long magic; /* magic number for this module */ + struct msg_msg *msg; /* back pointer */ + u32 sid; /* SID of message */ +}; + +struct ipc_security_struct { + unsigned long magic; /* magic number for this module */ + 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 { + unsigned long magic; /* magic number for this module */ + 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 { + unsigned long magic; /* magic number for this module */ + struct sock *sk; /* back pointer to sk object */ + u32 peer_sid; /* SID of peer */ +}; + +extern unsigned int selinux_checkreqprot; + +#endif /* _SELINUX_OBJSEC_H_ */ |