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> |
Eric Paris | a936b79 | 2008-04-22 17:46:10 -0400 | [diff] [blame] | 7 | * Chris Vance, <cvance@nai.com> |
| 8 | * Wayne Salamon, <wsalamon@nai.com> |
| 9 | * James Morris <jmorris@redhat.com> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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, |
Eric Paris | a936b79 | 2008-04-22 17:46:10 -0400 | [diff] [blame] | 16 | * as published by the Free Software Foundation. |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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> |
Paul Moore | 9f2ad66 | 2006-11-17 17:38:53 -0500 | [diff] [blame] | 26 | #include <linux/spinlock.h> |
Paul Moore | cbe0d6e | 2014-09-10 17:09:57 -0400 | [diff] [blame] | 27 | #include <net/net_namespace.h> |
Neeraj Soni | c692cb9 | 2018-04-18 17:20:22 +0530 | [diff] [blame] | 28 | //#include "flask.h" |
| 29 | //#include "avc.h" |
| 30 | #include "security.h" |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 31 | |
| 32 | struct task_security_struct { |
Eric Paris | a936b79 | 2008-04-22 17:46:10 -0400 | [diff] [blame] | 33 | u32 osid; /* SID prior to last execve */ |
| 34 | u32 sid; /* current SID */ |
| 35 | u32 exec_sid; /* exec SID */ |
| 36 | u32 create_sid; /* fscreate SID */ |
| 37 | u32 keycreate_sid; /* keycreate SID */ |
| 38 | u32 sockcreate_sid; /* fscreate SID */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 39 | }; |
| 40 | |
Andreas Gruenbacher | 6f3be9f | 2015-12-24 11:09:40 -0500 | [diff] [blame] | 41 | enum label_initialized { |
Paul Moore | 4b57d6b | 2016-03-28 15:16:53 -0400 | [diff] [blame] | 42 | LABEL_INVALID, /* invalid or not initialized */ |
| 43 | LABEL_INITIALIZED /* initialized */ |
Andreas Gruenbacher | 6f3be9f | 2015-12-24 11:09:40 -0500 | [diff] [blame] | 44 | }; |
| 45 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 46 | struct inode_security_struct { |
Eric Paris | a936b79 | 2008-04-22 17:46:10 -0400 | [diff] [blame] | 47 | struct inode *inode; /* back pointer to inode object */ |
Steven Rostedt | 3dc91d4 | 2014-01-09 21:46:34 -0500 | [diff] [blame] | 48 | union { |
| 49 | struct list_head list; /* list of inode_security_struct */ |
| 50 | struct rcu_head rcu; /* for freeing the inode_security_struct */ |
| 51 | }; |
Eric Paris | a936b79 | 2008-04-22 17:46:10 -0400 | [diff] [blame] | 52 | u32 task_sid; /* SID of creating task */ |
| 53 | u32 sid; /* SID of this object */ |
| 54 | u16 sclass; /* security class of this object */ |
| 55 | unsigned char initialized; /* initialization flag */ |
Neeraj Soni | c692cb9 | 2018-04-18 17:20:22 +0530 | [diff] [blame] | 56 | u32 tag; /* Per-File-Encryption tag */ |
| 57 | void *pfk_data; /* Per-File-Key data from ecryptfs */ |
Richard Kennedy | fdeb051 | 2008-05-18 12:32:57 +0100 | [diff] [blame] | 58 | struct mutex lock; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 59 | }; |
| 60 | |
| 61 | struct file_security_struct { |
Eric Paris | a936b79 | 2008-04-22 17:46:10 -0400 | [diff] [blame] | 62 | u32 sid; /* SID of open file description */ |
| 63 | u32 fown_sid; /* SID of file owner (for SIGIO) */ |
| 64 | u32 isid; /* SID of inode at the time of file open */ |
| 65 | u32 pseqno; /* Policy seqno at the time of file open */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 66 | }; |
| 67 | |
| 68 | struct superblock_security_struct { |
Eric Paris | a936b79 | 2008-04-22 17:46:10 -0400 | [diff] [blame] | 69 | struct super_block *sb; /* back pointer to sb object */ |
Eric Paris | c312feb | 2006-07-10 04:43:53 -0700 | [diff] [blame] | 70 | u32 sid; /* SID of file system superblock */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 71 | u32 def_sid; /* default SID for labeling */ |
Eric Paris | c312feb | 2006-07-10 04:43:53 -0700 | [diff] [blame] | 72 | u32 mntpoint_sid; /* SECURITY_FS_USE_MNTPOINT context for files */ |
Eric Paris | f936c6e | 2012-10-10 10:38:47 -0400 | [diff] [blame] | 73 | unsigned short behavior; /* labeling behavior */ |
Eric Paris | cfca030 | 2012-10-09 16:20:08 -0400 | [diff] [blame] | 74 | unsigned short flags; /* which mount options were specified */ |
Eric Paris | bc7e982 | 2006-09-25 23:32:02 -0700 | [diff] [blame] | 75 | struct mutex lock; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 76 | struct list_head isec_head; |
| 77 | spinlock_t isec_lock; |
| 78 | }; |
| 79 | |
| 80 | struct msg_security_struct { |
Eric Paris | a936b79 | 2008-04-22 17:46:10 -0400 | [diff] [blame] | 81 | u32 sid; /* SID of message */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 82 | }; |
| 83 | |
| 84 | struct ipc_security_struct { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 85 | u16 sclass; /* security class of this object */ |
Eric Paris | a936b79 | 2008-04-22 17:46:10 -0400 | [diff] [blame] | 86 | u32 sid; /* SID of IPC resource */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 87 | }; |
| 88 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 89 | struct netif_security_struct { |
Paul Moore | cbe0d6e | 2014-09-10 17:09:57 -0400 | [diff] [blame] | 90 | struct net *ns; /* network namespace */ |
Paul Moore | e8bfdb9 | 2008-01-29 08:38:08 -0500 | [diff] [blame] | 91 | int ifindex; /* device index */ |
| 92 | u32 sid; /* SID for this interface */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 93 | }; |
| 94 | |
Paul Moore | 224dfbd | 2008-01-29 08:38:13 -0500 | [diff] [blame] | 95 | struct netnode_security_struct { |
| 96 | union { |
| 97 | __be32 ipv4; /* IPv4 node address */ |
| 98 | struct in6_addr ipv6; /* IPv6 node address */ |
| 99 | } addr; |
| 100 | u32 sid; /* SID for this node */ |
| 101 | u16 family; /* address family */ |
| 102 | }; |
| 103 | |
Paul Moore | 3e11217 | 2008-04-10 10:48:14 -0400 | [diff] [blame] | 104 | struct netport_security_struct { |
| 105 | u32 sid; /* SID for this node */ |
| 106 | u16 port; /* port number */ |
| 107 | u8 protocol; /* transport protocol */ |
| 108 | }; |
| 109 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 110 | struct sk_security_struct { |
Paul Moore | 220deb9 | 2008-01-29 08:38:23 -0500 | [diff] [blame] | 111 | #ifdef CONFIG_NETLABEL |
Venkat Yekkirala | 7420ed2 | 2006-08-04 23:17:57 -0700 | [diff] [blame] | 112 | enum { /* NetLabel state */ |
| 113 | NLBL_UNSET = 0, |
| 114 | NLBL_REQUIRE, |
| 115 | NLBL_LABELED, |
Paul Moore | 948bf85 | 2008-10-10 10:16:32 -0400 | [diff] [blame] | 116 | NLBL_REQSKB, |
Paul Moore | 014ab19 | 2008-10-10 10:16:33 -0400 | [diff] [blame] | 117 | NLBL_CONNLABELED, |
Venkat Yekkirala | 7420ed2 | 2006-08-04 23:17:57 -0700 | [diff] [blame] | 118 | } nlbl_state; |
Paul Moore | 6c5b3fc | 2008-10-10 10:16:33 -0400 | [diff] [blame] | 119 | struct netlbl_lsm_secattr *nlbl_secattr; /* NetLabel sec attributes */ |
Venkat Yekkirala | 7420ed2 | 2006-08-04 23:17:57 -0700 | [diff] [blame] | 120 | #endif |
Paul Moore | 6c5b3fc | 2008-10-10 10:16:33 -0400 | [diff] [blame] | 121 | u32 sid; /* SID of this object */ |
| 122 | u32 peer_sid; /* SID of peer */ |
| 123 | u16 sclass; /* sock security class */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 124 | }; |
| 125 | |
Paul Moore | 5dbbaf2 | 2013-01-14 07:12:19 +0000 | [diff] [blame] | 126 | struct tun_security_struct { |
| 127 | u32 sid; /* SID for the tun device sockets */ |
| 128 | }; |
| 129 | |
Michael LeMay | d720024 | 2006-06-22 14:47:17 -0700 | [diff] [blame] | 130 | struct key_security_struct { |
Eric Paris | a936b79 | 2008-04-22 17:46:10 -0400 | [diff] [blame] | 131 | u32 sid; /* SID of key */ |
Michael LeMay | d720024 | 2006-06-22 14:47:17 -0700 | [diff] [blame] | 132 | }; |
| 133 | |
Chenbo Feng | 9b62913 | 2017-10-18 13:00:25 -0700 | [diff] [blame] | 134 | struct bpf_security_struct { |
| 135 | u32 sid; /*SID of bpf obj creater*/ |
| 136 | }; |
| 137 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 138 | extern unsigned int selinux_checkreqprot; |
| 139 | |
| 140 | #endif /* _SELINUX_OBJSEC_H_ */ |