Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * NSA Security-Enhanced Linux (SELinux) security module |
| 3 | * |
| 4 | * This file contains the SELinux security data structures for kernel objects. |
| 5 | * |
| 6 | * Author(s): Stephen Smalley, <sds@epoch.ncsc.mil> |
| 7 | * Chris Vance, <cvance@nai.com> |
| 8 | * Wayne Salamon, <wsalamon@nai.com> |
| 9 | * James Morris <jmorris@redhat.com> |
| 10 | * |
| 11 | * Copyright (C) 2001,2002 Networks Associates Technology, Inc. |
| 12 | * Copyright (C) 2003 Red Hat, Inc., James Morris <jmorris@redhat.com> |
| 13 | * |
| 14 | * This program is free software; you can redistribute it and/or modify |
| 15 | * it under the terms of the GNU General Public License version 2, |
| 16 | * as published by the Free Software Foundation. |
| 17 | */ |
| 18 | #ifndef _SELINUX_OBJSEC_H_ |
| 19 | #define _SELINUX_OBJSEC_H_ |
| 20 | |
| 21 | #include <linux/list.h> |
| 22 | #include <linux/sched.h> |
| 23 | #include <linux/fs.h> |
| 24 | #include <linux/binfmts.h> |
| 25 | #include <linux/in.h> |
| 26 | #include "flask.h" |
| 27 | #include "avc.h" |
| 28 | |
| 29 | struct task_security_struct { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 30 | struct task_struct *task; /* back pointer to task object */ |
| 31 | u32 osid; /* SID prior to last execve */ |
| 32 | u32 sid; /* current SID */ |
| 33 | u32 exec_sid; /* exec SID */ |
| 34 | u32 create_sid; /* fscreate SID */ |
Michael LeMay | 4eb582c | 2006-06-26 00:24:57 -0700 | [diff] [blame] | 35 | u32 keycreate_sid; /* keycreate SID */ |
Eric Paris | 42c3e03 | 2006-06-26 00:26:03 -0700 | [diff] [blame] | 36 | u32 sockcreate_sid; /* fscreate SID */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 37 | u32 ptrace_sid; /* SID of ptrace parent */ |
| 38 | }; |
| 39 | |
| 40 | struct inode_security_struct { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 41 | struct inode *inode; /* back pointer to inode object */ |
| 42 | struct list_head list; /* list of inode_security_struct */ |
| 43 | u32 task_sid; /* SID of creating task */ |
| 44 | u32 sid; /* SID of this object */ |
| 45 | u16 sclass; /* security class of this object */ |
| 46 | unsigned char initialized; /* initialization flag */ |
| 47 | struct semaphore sem; |
| 48 | unsigned char inherit; /* inherit SID from parent entry */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 49 | }; |
| 50 | |
| 51 | struct file_security_struct { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 52 | struct file *file; /* back pointer to file object */ |
| 53 | u32 sid; /* SID of open file description */ |
| 54 | u32 fown_sid; /* SID of file owner (for SIGIO) */ |
| 55 | }; |
| 56 | |
| 57 | struct superblock_security_struct { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 58 | struct super_block *sb; /* back pointer to sb object */ |
| 59 | struct list_head list; /* list of superblock_security_struct */ |
| 60 | u32 sid; /* SID of file system */ |
| 61 | u32 def_sid; /* default SID for labeling */ |
| 62 | unsigned int behavior; /* labeling behavior */ |
| 63 | unsigned char initialized; /* initialization flag */ |
| 64 | unsigned char proc; /* proc fs */ |
| 65 | struct semaphore sem; |
| 66 | struct list_head isec_head; |
| 67 | spinlock_t isec_lock; |
| 68 | }; |
| 69 | |
| 70 | struct msg_security_struct { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 71 | struct msg_msg *msg; /* back pointer */ |
| 72 | u32 sid; /* SID of message */ |
| 73 | }; |
| 74 | |
| 75 | struct ipc_security_struct { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 76 | struct kern_ipc_perm *ipc_perm; /* back pointer */ |
| 77 | u16 sclass; /* security class of this object */ |
| 78 | u32 sid; /* SID of IPC resource */ |
| 79 | }; |
| 80 | |
| 81 | struct bprm_security_struct { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 82 | struct linux_binprm *bprm; /* back pointer to bprm object */ |
| 83 | u32 sid; /* SID for transformed process */ |
| 84 | unsigned char set; |
| 85 | |
| 86 | /* |
| 87 | * unsafe is used to share failure information from bprm_apply_creds() |
| 88 | * to bprm_post_apply_creds(). |
| 89 | */ |
| 90 | char unsafe; |
| 91 | }; |
| 92 | |
| 93 | struct netif_security_struct { |
| 94 | struct net_device *dev; /* back pointer */ |
| 95 | u32 if_sid; /* SID for this interface */ |
| 96 | u32 msg_sid; /* default SID for messages received on this interface */ |
| 97 | }; |
| 98 | |
| 99 | struct sk_security_struct { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 100 | struct sock *sk; /* back pointer to sk object */ |
| 101 | u32 peer_sid; /* SID of peer */ |
| 102 | }; |
| 103 | |
Michael LeMay | d720024 | 2006-06-22 14:47:17 -0700 | [diff] [blame] | 104 | struct key_security_struct { |
| 105 | struct key *obj; /* back pointer */ |
| 106 | u32 sid; /* SID of key */ |
| 107 | }; |
| 108 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 109 | extern unsigned int selinux_checkreqprot; |
| 110 | |
| 111 | #endif /* _SELINUX_OBJSEC_H_ */ |