blob: 2b763f0ee35272ab53daeb759d4bb684510f243e [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * Linux Security plug
3 *
4 * Copyright (C) 2001 WireX Communications, Inc <chris@wirex.com>
5 * Copyright (C) 2001 Greg Kroah-Hartman <greg@kroah.com>
6 * Copyright (C) 2001 Networks Associates Technology, Inc <ssmalley@nai.com>
7 * Copyright (C) 2001 James Morris <jmorris@intercode.com.au>
8 * Copyright (C) 2001 Silicon Graphics, Inc. (Trust Technology Group)
Daniel Jurgensd291f1a2017-05-19 15:48:52 +03009 * Copyright (C) 2016 Mellanox Techonologies
Linus Torvalds1da177e2005-04-16 15:20:36 -070010 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
16 * Due to this file being licensed under the GPL there is controversy over
17 * whether this permits you to write a module that #includes this file
18 * without placing your module under the GPL. Please consult a lawyer for
19 * advice before doing this.
20 *
21 */
22
23#ifndef __LINUX_SECURITY_H
24#define __LINUX_SECURITY_H
25
David Howells29db9192005-10-30 15:02:44 -080026#include <linux/key.h>
Al Viro40401532012-02-13 03:58:52 +000027#include <linux/capability.h>
Mimi Zoharcf222212016-01-14 17:57:47 -050028#include <linux/fs.h>
Tejun Heo5a0e3ad2010-03-24 17:04:11 +090029#include <linux/slab.h>
Al Viro40401532012-02-13 03:58:52 +000030#include <linux/err.h>
David Quigleyd47be3d2013-05-22 12:50:34 -040031#include <linux/string.h>
Casey Schauflerb1d9e6b2015-05-02 15:11:42 -070032#include <linux/mm.h>
Mimi Zoharbc8ca5b2016-01-24 10:07:32 -050033#include <linux/fs.h>
Al Viro40401532012-02-13 03:58:52 +000034
35struct linux_binprm;
36struct cred;
37struct rlimit;
Eric W. Biedermanae7795b2018-09-25 11:27:20 +020038struct kernel_siginfo;
Al Viro40401532012-02-13 03:58:52 +000039struct sembuf;
40struct kern_ipc_perm;
41struct audit_context;
42struct super_block;
43struct inode;
44struct dentry;
45struct file;
46struct vfsmount;
47struct path;
48struct qstr;
Al Viro40401532012-02-13 03:58:52 +000049struct iattr;
50struct fown_struct;
51struct file_operations;
Al Viro40401532012-02-13 03:58:52 +000052struct msg_msg;
Al Viro40401532012-02-13 03:58:52 +000053struct xattr;
Ondrej Mosnacekb230d5a2019-02-22 15:57:16 +010054struct kernfs_node;
Al Viro40401532012-02-13 03:58:52 +000055struct xfrm_sec_ctx;
56struct mm_struct;
David Howellsda2441f2018-11-01 23:07:24 +000057struct fs_context;
58struct fs_parameter;
59enum fs_value_type;
Linus Torvalds1da177e2005-04-16 15:20:36 -070060
Micah Mortonc1a85a02019-01-07 16:10:53 -080061/* Default (no) options for the capable function */
62#define CAP_OPT_NONE 0x0
Eric Paris06112162008-11-11 22:02:50 +110063/* If capable should audit the security request */
Micah Mortonc1a85a02019-01-07 16:10:53 -080064#define CAP_OPT_NOAUDIT BIT(1)
65/* If capable is being called by a setid function */
66#define CAP_OPT_INSETID BIT(2)
Eric Paris06112162008-11-11 22:02:50 +110067
David Howells846e5662018-11-01 23:07:24 +000068/* LSM Agnostic defines for fs_context::lsm_flags */
David Quigleyeb9ae682013-05-22 12:50:37 -040069#define SECURITY_LSM_NATIVE_LABELS 1
70
Linus Torvalds1da177e2005-04-16 15:20:36 -070071struct ctl_table;
Ahmed S. Darwish03d37d22008-03-01 22:00:05 +020072struct audit_krule;
Serge E. Hallyn34867402011-03-23 16:43:17 -070073struct user_namespace;
Al Viro40401532012-02-13 03:58:52 +000074struct timezone;
Linus Torvalds1da177e2005-04-16 15:20:36 -070075
Daniel Jurgens8f408ab2017-05-19 15:48:53 +030076enum lsm_event {
77 LSM_POLICY_CHANGE,
78};
79
Matthew Garrett9e47d312019-08-19 17:17:38 -070080/*
81 * These are reasons that can be passed to the security_locked_down()
82 * LSM hook. Lockdown reasons that protect kernel integrity (ie, the
83 * ability for userland to modify kernel code) are placed before
84 * LOCKDOWN_INTEGRITY_MAX. Lockdown reasons that protect kernel
85 * confidentiality (ie, the ability for userland to extract
86 * information from the running kernel that would otherwise be
87 * restricted) are placed before LOCKDOWN_CONFIDENTIALITY_MAX.
88 *
89 * LSM authors should note that the semantics of any given lockdown
90 * reason are not guaranteed to be stable - the same reason may block
91 * one set of features in one kernel release, and a slightly different
92 * set of features in a later kernel release. LSMs that seek to expose
93 * lockdown policy at any level of granularity other than "none",
94 * "integrity" or "confidentiality" are responsible for either
95 * ensuring that they expose a consistent level of functionality to
96 * userland, or ensuring that userland is aware that this is
97 * potentially a moving target. It is easy to misuse this information
98 * in a way that could break userspace. Please be careful not to do
99 * so.
Matthew Garrett000d3882019-08-19 17:17:39 -0700100 *
101 * If you add to this, remember to extend lockdown_reasons in
102 * security/lockdown/lockdown.c.
Matthew Garrett9e47d312019-08-19 17:17:38 -0700103 */
104enum lockdown_reason {
105 LOCKDOWN_NONE,
David Howells49fcf732019-08-19 17:17:40 -0700106 LOCKDOWN_MODULE_SIGNATURE,
Matthew Garrett9b9d8dd2019-08-19 17:17:41 -0700107 LOCKDOWN_DEV_MEM,
Matthew Garrett7d31f462019-08-19 17:17:42 -0700108 LOCKDOWN_KEXEC,
Josh Boyer38bd94b2019-08-19 17:17:46 -0700109 LOCKDOWN_HIBERNATION,
Matthew Garretteb627e12019-08-19 17:17:47 -0700110 LOCKDOWN_PCI_ACCESS,
Matthew Garrett9e47d312019-08-19 17:17:38 -0700111 LOCKDOWN_INTEGRITY_MAX,
112 LOCKDOWN_CONFIDENTIALITY_MAX,
113};
114
Casey Schauflerb1d9e6b2015-05-02 15:11:42 -0700115/* These functions are in security/commoncap.c */
Eric Paris6a9de492012-01-03 12:25:14 -0500116extern int cap_capable(const struct cred *cred, struct user_namespace *ns,
Micah Mortonc1a85a02019-01-07 16:10:53 -0800117 int cap, unsigned int opts);
Baolin Wang457db292016-04-08 14:02:11 +0800118extern int cap_settime(const struct timespec64 *ts, const struct timezone *tz);
Ingo Molnar9e488582009-05-07 19:26:19 +1000119extern int cap_ptrace_access_check(struct task_struct *child, unsigned int mode);
David Howells5cd9c582008-08-14 11:37:28 +0100120extern int cap_ptrace_traceme(struct task_struct *parent);
Eric Paris7b41b172008-04-23 14:10:25 -0400121extern int cap_capget(struct task_struct *target, kernel_cap_t *effective, kernel_cap_t *inheritable, kernel_cap_t *permitted);
David Howellsd84f4f92008-11-14 10:39:23 +1100122extern int cap_capset(struct cred *new, const struct cred *old,
123 const kernel_cap_t *effective,
124 const kernel_cap_t *inheritable,
125 const kernel_cap_t *permitted);
David Howellsa6f76f22008-11-14 10:39:24 +1100126extern int cap_bprm_set_creds(struct linux_binprm *bprm);
David Howells8f0cfa52008-04-29 00:59:41 -0700127extern int cap_inode_setxattr(struct dentry *dentry, const char *name,
128 const void *value, size_t size, int flags);
129extern int cap_inode_removexattr(struct dentry *dentry, const char *name);
Serge E. Hallynb5376772007-10-16 23:31:36 -0700130extern int cap_inode_need_killpriv(struct dentry *dentry);
131extern int cap_inode_killpriv(struct dentry *dentry);
Serge E. Hallyn8db6c342017-05-08 13:11:56 -0500132extern int cap_inode_getsecurity(struct inode *inode, const char *name,
133 void **buffer, bool alloc);
Al Virod0077942012-05-30 13:11:37 -0400134extern int cap_mmap_addr(unsigned long addr);
Al Viroe5467852012-05-30 13:30:51 -0400135extern int cap_mmap_file(struct file *file, unsigned long reqprot,
136 unsigned long prot, unsigned long flags);
David Howellsd84f4f92008-11-14 10:39:23 +1100137extern int cap_task_fix_setuid(struct cred *new, const struct cred *old, int flags);
Andrew G. Morgan3898b1b2008-04-28 02:13:40 -0700138extern int cap_task_prctl(int option, unsigned long arg2, unsigned long arg3,
David Howellsd84f4f92008-11-14 10:39:23 +1100139 unsigned long arg4, unsigned long arg5);
KOSAKI Motohirob0ae1982010-10-15 04:21:18 +0900140extern int cap_task_setscheduler(struct task_struct *p);
Eric Paris7b41b172008-04-23 14:10:25 -0400141extern int cap_task_setioprio(struct task_struct *p, int ioprio);
142extern int cap_task_setnice(struct task_struct *p, int nice);
James Morris20510f22007-10-16 23:31:32 -0700143extern int cap_vm_enough_memory(struct mm_struct *mm, long pages);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700144
145struct msghdr;
146struct sk_buff;
147struct sock;
148struct sockaddr;
149struct socket;
Trent Jaegerdf718372005-12-13 23:12:27 -0800150struct flowi;
151struct dst_entry;
152struct xfrm_selector;
153struct xfrm_policy;
154struct xfrm_state;
155struct xfrm_user_sec_ctx;
Eric Paris2069f452008-07-04 09:47:13 +1000156struct seq_file;
Richard Haines72e89f52018-02-13 20:53:21 +0000157struct sctp_endpoint;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700158
David Howells6e141542009-12-15 19:27:45 +0000159#ifdef CONFIG_MMU
Eric Parised032182007-06-28 15:55:21 -0400160extern unsigned long mmap_min_addr;
Eric Parisa2551df72009-07-31 12:54:11 -0400161extern unsigned long dac_mmap_min_addr;
David Howells6e141542009-12-15 19:27:45 +0000162#else
Mark Salterbe8cfc42012-09-24 17:17:38 -0700163#define mmap_min_addr 0UL
David Howells6e141542009-12-15 19:27:45 +0000164#define dac_mmap_min_addr 0UL
165#endif
166
Linus Torvalds1da177e2005-04-16 15:20:36 -0700167/*
168 * Values used in the task_security_ops calls
169 */
170/* setuid or setgid, id0 == uid or gid */
171#define LSM_SETID_ID 1
172
173/* setreuid or setregid, id0 == real, id1 == eff */
174#define LSM_SETID_RE 2
175
176/* setresuid or setresgid, id0 == real, id1 == eff, uid2 == saved */
177#define LSM_SETID_RES 4
178
179/* setfsuid or setfsgid, id0 == fsuid or fsgid */
180#define LSM_SETID_FS 8
181
Stephen Smalley791ec492017-02-17 07:57:00 -0500182/* Flags for security_task_prlimit(). */
183#define LSM_PRLIMIT_READ 1
184#define LSM_PRLIMIT_WRITE 2
185
Linus Torvalds1da177e2005-04-16 15:20:36 -0700186/* forward declares to avoid warnings */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700187struct sched_param;
Venkat Yekkirala4237c752006-07-24 23:32:50 -0700188struct request_sock;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700189
David Howellsa6f76f22008-11-14 10:39:24 +1100190/* bprm->unsafe reasons */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700191#define LSM_UNSAFE_SHARE 1
192#define LSM_UNSAFE_PTRACE 2
Eric W. Biederman9227dd22017-01-23 17:26:31 +1300193#define LSM_UNSAFE_NO_NEW_PRIVS 4
Linus Torvalds1da177e2005-04-16 15:20:36 -0700194
David Howells6e141542009-12-15 19:27:45 +0000195#ifdef CONFIG_MMU
Alexey Dobriyan8d65af72009-09-23 15:57:19 -0700196extern int mmap_min_addr_handler(struct ctl_table *table, int write,
Eric Paris47d439e2009-08-07 14:53:57 -0400197 void __user *buffer, size_t *lenp, loff_t *ppos);
David Howells6e141542009-12-15 19:27:45 +0000198#endif
Eric Paris47d439e2009-08-07 14:53:57 -0400199
Mimi Zohar9d8f13b2011-06-06 15:29:25 -0400200/* security_inode_init_security callback function to write xattrs */
201typedef int (*initxattrs) (struct inode *inode,
202 const struct xattr *xattr_array, void *fs_data);
203
Mimi Zohar377179c2018-07-13 14:05:56 -0400204
205/* Keep the kernel_load_data_id enum in sync with kernel_read_file_id */
206#define __data_id_enumify(ENUM, dummy) LOADING_ ## ENUM,
207#define __data_id_stringify(dummy, str) #str,
208
209enum kernel_load_data_id {
210 __kernel_read_file_id(__data_id_enumify)
211};
212
213static const char * const kernel_load_data_str[] = {
214 __kernel_read_file_id(__data_id_stringify)
215};
216
217static inline const char *kernel_load_data_id_str(enum kernel_load_data_id id)
218{
219 if ((unsigned)id >= LOADING_MAX_ID)
220 return kernel_load_data_str[LOADING_UNKNOWN];
221
222 return kernel_load_data_str[id];
223}
224
Linus Torvalds1da177e2005-04-16 15:20:36 -0700225#ifdef CONFIG_SECURITY
226
Daniel Jurgens8f408ab2017-05-19 15:48:53 +0300227int call_lsm_notifier(enum lsm_event event, void *data);
228int register_lsm_notifier(struct notifier_block *nb);
229int unregister_lsm_notifier(struct notifier_block *nb);
230
Linus Torvalds1da177e2005-04-16 15:20:36 -0700231/* prototypes */
Eric Paris7b41b172008-04-23 14:10:25 -0400232extern int security_init(void);
Matthew Garrette6b1db92019-08-19 17:17:37 -0700233extern int early_security_init(void);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700234
James Morris20510f22007-10-16 23:31:32 -0700235/* Security operations */
Stephen Smalley79af7302015-01-21 10:54:10 -0500236int security_binder_set_context_mgr(struct task_struct *mgr);
237int security_binder_transaction(struct task_struct *from,
238 struct task_struct *to);
239int security_binder_transfer_binder(struct task_struct *from,
240 struct task_struct *to);
241int security_binder_transfer_file(struct task_struct *from,
242 struct task_struct *to, struct file *file);
Ingo Molnar9e488582009-05-07 19:26:19 +1000243int security_ptrace_access_check(struct task_struct *child, unsigned int mode);
David Howells5cd9c582008-08-14 11:37:28 +0100244int security_ptrace_traceme(struct task_struct *parent);
James Morris20510f22007-10-16 23:31:32 -0700245int security_capget(struct task_struct *target,
Eric Paris7b41b172008-04-23 14:10:25 -0400246 kernel_cap_t *effective,
247 kernel_cap_t *inheritable,
248 kernel_cap_t *permitted);
David Howellsd84f4f92008-11-14 10:39:23 +1100249int security_capset(struct cred *new, const struct cred *old,
250 const kernel_cap_t *effective,
251 const kernel_cap_t *inheritable,
252 const kernel_cap_t *permitted);
Micah Mortonc1a85a02019-01-07 16:10:53 -0800253int security_capable(const struct cred *cred,
254 struct user_namespace *ns,
255 int cap,
256 unsigned int opts);
James Morris20510f22007-10-16 23:31:32 -0700257int security_quotactl(int cmds, int type, int id, struct super_block *sb);
258int security_quota_on(struct dentry *dentry);
Eric Paris12b30522010-11-15 18:36:29 -0500259int security_syslog(int type);
Baolin Wang457db292016-04-08 14:02:11 +0800260int security_settime64(const struct timespec64 *ts, const struct timezone *tz);
James Morris20510f22007-10-16 23:31:32 -0700261int security_vm_enough_memory_mm(struct mm_struct *mm, long pages);
David Howellsa6f76f22008-11-14 10:39:24 +1100262int security_bprm_set_creds(struct linux_binprm *bprm);
James Morris20510f22007-10-16 23:31:32 -0700263int security_bprm_check(struct linux_binprm *bprm);
David Howellsa6f76f22008-11-14 10:39:24 +1100264void security_bprm_committing_creds(struct linux_binprm *bprm);
265void security_bprm_committed_creds(struct linux_binprm *bprm);
Al Viro0b520752018-12-23 16:02:47 -0500266int security_fs_context_dup(struct fs_context *fc, struct fs_context *src_fc);
David Howellsda2441f2018-11-01 23:07:24 +0000267int security_fs_context_parse_param(struct fs_context *fc, struct fs_parameter *param);
James Morris20510f22007-10-16 23:31:32 -0700268int security_sb_alloc(struct super_block *sb);
269void security_sb_free(struct super_block *sb);
Al Viro204cc0c2018-12-13 13:41:47 -0500270void security_free_mnt_opts(void **mnt_opts);
271int security_sb_eat_lsm_opts(char *options, void **mnt_opts);
272int security_sb_remount(struct super_block *sb, void *mnt_opts);
Al Viroa10d7c22018-12-05 11:58:35 -0500273int security_sb_kern_mount(struct super_block *sb);
Eric Paris2069f452008-07-04 09:47:13 +1000274int security_sb_show_options(struct seq_file *m, struct super_block *sb);
James Morris20510f22007-10-16 23:31:32 -0700275int security_sb_statfs(struct dentry *dentry);
Al Viro8a04c432016-03-25 14:52:53 -0400276int security_sb_mount(const char *dev_name, const struct path *path,
Al Viro808d4e32012-10-11 11:42:01 -0400277 const char *type, unsigned long flags, void *data);
James Morris20510f22007-10-16 23:31:32 -0700278int security_sb_umount(struct vfsmount *mnt, int flags);
Al Viro3b73b682016-03-25 15:31:19 -0400279int security_sb_pivotroot(const struct path *old_path, const struct path *new_path);
David Quigley649f6e72013-05-22 12:50:36 -0400280int security_sb_set_mnt_opts(struct super_block *sb,
Al Viro204cc0c2018-12-13 13:41:47 -0500281 void *mnt_opts,
David Quigley649f6e72013-05-22 12:50:36 -0400282 unsigned long kern_flags,
283 unsigned long *set_kern_flags);
Jeff Layton094f7b62013-04-01 08:14:24 -0400284int security_sb_clone_mnt_opts(const struct super_block *oldsb,
Scott Mayhew0b4d3452017-06-05 11:45:04 -0400285 struct super_block *newsb,
286 unsigned long kern_flags,
287 unsigned long *set_kern_flags);
Al Viro757cbe52018-12-14 23:42:21 -0500288int security_add_mnt_opt(const char *option, const char *val,
289 int len, void **mnt_opts);
David Howells2db154b2018-11-05 17:40:30 +0000290int security_move_mount(const struct path *from_path, const struct path *to_path);
David Quigleyd47be3d2013-05-22 12:50:34 -0400291int security_dentry_init_security(struct dentry *dentry, int mode,
Al Viro4f3ccd72016-07-20 16:06:15 -0400292 const struct qstr *name, void **ctx,
David Quigleyd47be3d2013-05-22 12:50:34 -0400293 u32 *ctxlen);
Vivek Goyal26026252016-07-13 10:44:52 -0400294int security_dentry_create_files_as(struct dentry *dentry, int mode,
295 struct qstr *name,
296 const struct cred *old,
297 struct cred *new);
Eric Parisc9180a52007-11-30 13:00:35 -0500298
James Morris20510f22007-10-16 23:31:32 -0700299int security_inode_alloc(struct inode *inode);
300void security_inode_free(struct inode *inode);
301int security_inode_init_security(struct inode *inode, struct inode *dir,
Mimi Zohar9d8f13b2011-06-06 15:29:25 -0400302 const struct qstr *qstr,
303 initxattrs initxattrs, void *fs_data);
304int security_old_inode_init_security(struct inode *inode, struct inode *dir,
Tetsuo Handa95489062013-07-25 05:44:02 +0900305 const struct qstr *qstr, const char **name,
Mimi Zohar9d8f13b2011-06-06 15:29:25 -0400306 void **value, size_t *len);
Al Viro4acdaf22011-07-26 01:42:34 -0400307int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode);
James Morris20510f22007-10-16 23:31:32 -0700308int security_inode_link(struct dentry *old_dentry, struct inode *dir,
309 struct dentry *new_dentry);
310int security_inode_unlink(struct inode *dir, struct dentry *dentry);
311int security_inode_symlink(struct inode *dir, struct dentry *dentry,
Eric Paris7b41b172008-04-23 14:10:25 -0400312 const char *old_name);
Al Viro18bb1db2011-07-26 01:41:39 -0400313int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode);
James Morris20510f22007-10-16 23:31:32 -0700314int security_inode_rmdir(struct inode *dir, struct dentry *dentry);
Al Viro1a67aaf2011-07-26 01:52:52 -0400315int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev);
James Morris20510f22007-10-16 23:31:32 -0700316int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
Miklos Szeredi0b3974e2014-04-01 17:08:43 +0200317 struct inode *new_dir, struct dentry *new_dentry,
318 unsigned int flags);
James Morris20510f22007-10-16 23:31:32 -0700319int security_inode_readlink(struct dentry *dentry);
NeilBrownbda0be72015-03-23 13:37:39 +1100320int security_inode_follow_link(struct dentry *dentry, struct inode *inode,
321 bool rcu);
Al Virob77b0642008-07-17 09:37:02 -0400322int security_inode_permission(struct inode *inode, int mask);
James Morris20510f22007-10-16 23:31:32 -0700323int security_inode_setattr(struct dentry *dentry, struct iattr *attr);
Al Viro3f7036a2015-03-08 19:28:30 -0400324int security_inode_getattr(const struct path *path);
David Howells8f0cfa52008-04-29 00:59:41 -0700325int security_inode_setxattr(struct dentry *dentry, const char *name,
326 const void *value, size_t size, int flags);
327void security_inode_post_setxattr(struct dentry *dentry, const char *name,
328 const void *value, size_t size, int flags);
329int security_inode_getxattr(struct dentry *dentry, const char *name);
James Morris20510f22007-10-16 23:31:32 -0700330int security_inode_listxattr(struct dentry *dentry);
David Howells8f0cfa52008-04-29 00:59:41 -0700331int security_inode_removexattr(struct dentry *dentry, const char *name);
Serge E. Hallynb5376772007-10-16 23:31:36 -0700332int security_inode_need_killpriv(struct dentry *dentry);
333int security_inode_killpriv(struct dentry *dentry);
Andreas Gruenbacherea861df2015-12-24 11:09:39 -0500334int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc);
James Morris20510f22007-10-16 23:31:32 -0700335int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags);
336int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size);
Andreas Gruenbacherd6335d72015-12-24 11:09:39 -0500337void security_inode_getsecid(struct inode *inode, u32 *secid);
Vivek Goyald8ad8b42016-07-13 11:13:56 -0400338int security_inode_copy_up(struct dentry *src, struct cred **new);
Vivek Goyal121ab822016-07-13 10:44:49 -0400339int security_inode_copy_up_xattr(const char *name);
Ondrej Mosnacekb230d5a2019-02-22 15:57:16 +0100340int security_kernfs_init_security(struct kernfs_node *kn_dir,
341 struct kernfs_node *kn);
James Morris20510f22007-10-16 23:31:32 -0700342int security_file_permission(struct file *file, int mask);
343int security_file_alloc(struct file *file);
344void security_file_free(struct file *file);
345int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
Al Viro8b3ec682012-05-30 17:11:23 -0400346int security_mmap_file(struct file *file, unsigned long prot,
347 unsigned long flags);
Al Viroe5467852012-05-30 13:30:51 -0400348int security_mmap_addr(unsigned long addr);
James Morris20510f22007-10-16 23:31:32 -0700349int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
Eric Paris7b41b172008-04-23 14:10:25 -0400350 unsigned long prot);
James Morris20510f22007-10-16 23:31:32 -0700351int security_file_lock(struct file *file, unsigned int cmd);
352int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg);
Jeff Laytone0b93ed2014-08-22 11:27:32 -0400353void security_file_set_fowner(struct file *file);
James Morris20510f22007-10-16 23:31:32 -0700354int security_file_send_sigiotask(struct task_struct *tsk,
Eric Paris7b41b172008-04-23 14:10:25 -0400355 struct fown_struct *fown, int sig);
James Morris20510f22007-10-16 23:31:32 -0700356int security_file_receive(struct file *file);
Al Viroe3f20ae2018-07-10 13:25:29 -0400357int security_file_open(struct file *file);
Tetsuo Handae4e55b42017-03-24 20:46:33 +0900358int security_task_alloc(struct task_struct *task, unsigned long clone_flags);
Kees Cook1a2a4d02011-12-21 12:17:03 -0800359void security_task_free(struct task_struct *task);
David Howellsee18d642009-09-02 09:14:21 +0100360int security_cred_alloc_blank(struct cred *cred, gfp_t gfp);
David Howellsf1752ee2008-11-14 10:39:17 +1100361void security_cred_free(struct cred *cred);
David Howellsd84f4f92008-11-14 10:39:23 +1100362int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp);
David Howellsee18d642009-09-02 09:14:21 +0100363void security_transfer_creds(struct cred *new, const struct cred *old);
Matthew Garrett3ec30112018-01-08 13:36:19 -0800364void security_cred_getsecid(const struct cred *c, u32 *secid);
David Howells3a3b7ce2008-11-14 10:39:28 +1100365int security_kernel_act_as(struct cred *new, u32 secid);
366int security_kernel_create_files_as(struct cred *new, struct inode *inode);
Eric Parisdd8dbf22009-11-03 16:35:32 +1100367int security_kernel_module_request(char *kmod_name);
Mimi Zohar377179c2018-07-13 14:05:56 -0400368int security_kernel_load_data(enum kernel_load_data_id id);
Mimi Zohar39eeb4f2016-01-30 22:23:26 -0500369int security_kernel_read_file(struct file *file, enum kernel_read_file_id id);
Mimi Zoharbc8ca5b2016-01-24 10:07:32 -0500370int security_kernel_post_read_file(struct file *file, char *buf, loff_t size,
371 enum kernel_read_file_id id);
David Howellsd84f4f92008-11-14 10:39:23 +1100372int security_task_fix_setuid(struct cred *new, const struct cred *old,
373 int flags);
James Morris20510f22007-10-16 23:31:32 -0700374int security_task_setpgid(struct task_struct *p, pid_t pgid);
375int security_task_getpgid(struct task_struct *p);
376int security_task_getsid(struct task_struct *p);
377void security_task_getsecid(struct task_struct *p, u32 *secid);
James Morris20510f22007-10-16 23:31:32 -0700378int security_task_setnice(struct task_struct *p, int nice);
379int security_task_setioprio(struct task_struct *p, int ioprio);
380int security_task_getioprio(struct task_struct *p);
Stephen Smalley791ec492017-02-17 07:57:00 -0500381int security_task_prlimit(const struct cred *cred, const struct cred *tcred,
382 unsigned int flags);
Jiri Slaby8fd00b42009-08-26 18:41:16 +0200383int security_task_setrlimit(struct task_struct *p, unsigned int resource,
384 struct rlimit *new_rlim);
KOSAKI Motohirob0ae1982010-10-15 04:21:18 +0900385int security_task_setscheduler(struct task_struct *p);
James Morris20510f22007-10-16 23:31:32 -0700386int security_task_getscheduler(struct task_struct *p);
387int security_task_movememory(struct task_struct *p);
Eric W. Biedermanae7795b2018-09-25 11:27:20 +0200388int security_task_kill(struct task_struct *p, struct kernel_siginfo *info,
Stephen Smalley6b4f3d02017-09-08 12:40:01 -0400389 int sig, const struct cred *cred);
James Morris20510f22007-10-16 23:31:32 -0700390int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
David Howellsd84f4f92008-11-14 10:39:23 +1100391 unsigned long arg4, unsigned long arg5);
James Morris20510f22007-10-16 23:31:32 -0700392void security_task_to_inode(struct task_struct *p, struct inode *inode);
393int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag);
Ahmed S. Darwish8a076192008-03-01 21:51:09 +0200394void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid);
James Morris20510f22007-10-16 23:31:32 -0700395int security_msg_msg_alloc(struct msg_msg *msg);
396void security_msg_msg_free(struct msg_msg *msg);
Eric W. Biedermand8c6e852018-03-22 21:22:26 -0500397int security_msg_queue_alloc(struct kern_ipc_perm *msq);
398void security_msg_queue_free(struct kern_ipc_perm *msq);
399int security_msg_queue_associate(struct kern_ipc_perm *msq, int msqflg);
400int security_msg_queue_msgctl(struct kern_ipc_perm *msq, int cmd);
401int security_msg_queue_msgsnd(struct kern_ipc_perm *msq,
Eric Paris7b41b172008-04-23 14:10:25 -0400402 struct msg_msg *msg, int msqflg);
Eric W. Biedermand8c6e852018-03-22 21:22:26 -0500403int security_msg_queue_msgrcv(struct kern_ipc_perm *msq, struct msg_msg *msg,
Eric Paris7b41b172008-04-23 14:10:25 -0400404 struct task_struct *target, long type, int mode);
Eric W. Biederman7191adf2018-03-22 21:08:27 -0500405int security_shm_alloc(struct kern_ipc_perm *shp);
406void security_shm_free(struct kern_ipc_perm *shp);
407int security_shm_associate(struct kern_ipc_perm *shp, int shmflg);
408int security_shm_shmctl(struct kern_ipc_perm *shp, int cmd);
409int security_shm_shmat(struct kern_ipc_perm *shp, char __user *shmaddr, int shmflg);
Eric W. Biedermanaefad952018-03-22 20:52:43 -0500410int security_sem_alloc(struct kern_ipc_perm *sma);
411void security_sem_free(struct kern_ipc_perm *sma);
412int security_sem_associate(struct kern_ipc_perm *sma, int semflg);
413int security_sem_semctl(struct kern_ipc_perm *sma, int cmd);
414int security_sem_semop(struct kern_ipc_perm *sma, struct sembuf *sops,
James Morris20510f22007-10-16 23:31:32 -0700415 unsigned nsops, int alter);
Eric Paris7b41b172008-04-23 14:10:25 -0400416void security_d_instantiate(struct dentry *dentry, struct inode *inode);
Casey Schaufler6d9c9392018-09-21 17:16:59 -0700417int security_getprocattr(struct task_struct *p, const char *lsm, char *name,
418 char **value);
419int security_setprocattr(const char *lsm, const char *name, void *value,
420 size_t size);
James Morris20510f22007-10-16 23:31:32 -0700421int security_netlink_send(struct sock *sk, struct sk_buff *skb);
David Quigley746df9b2013-05-22 12:50:35 -0400422int security_ismaclabel(const char *name);
James Morris20510f22007-10-16 23:31:32 -0700423int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen);
David Howells7bf570d2008-04-29 20:52:51 +0100424int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid);
James Morris20510f22007-10-16 23:31:32 -0700425void security_release_secctx(char *secdata, u32 seclen);
426
Andreas Gruenbacher6f3be9f2015-12-24 11:09:40 -0500427void security_inode_invalidate_secctx(struct inode *inode);
David P. Quigley1ee65e32009-09-03 14:25:57 -0400428int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen);
429int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen);
430int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen);
Matthew Garrett9e47d312019-08-19 17:17:38 -0700431int security_locked_down(enum lockdown_reason what);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700432#else /* CONFIG_SECURITY */
Eric Parise0007522008-03-05 10:31:54 -0500433
Daniel Jurgens8f408ab2017-05-19 15:48:53 +0300434static inline int call_lsm_notifier(enum lsm_event event, void *data)
435{
436 return 0;
437}
438
439static inline int register_lsm_notifier(struct notifier_block *nb)
440{
441 return 0;
442}
443
444static inline int unregister_lsm_notifier(struct notifier_block *nb)
445{
446 return 0;
447}
448
Al Viro204cc0c2018-12-13 13:41:47 -0500449static inline void security_free_mnt_opts(void **mnt_opts)
Eric Parise0007522008-03-05 10:31:54 -0500450{
451}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700452
453/*
454 * This is the default capabilities functionality. Most of these functions
455 * are just stubbed out, but a few must call the proper capable code.
456 */
457
458static inline int security_init(void)
459{
460 return 0;
461}
462
Matthew Garrette6b1db92019-08-19 17:17:37 -0700463static inline int early_security_init(void)
464{
465 return 0;
466}
467
Stephen Smalley79af7302015-01-21 10:54:10 -0500468static inline int security_binder_set_context_mgr(struct task_struct *mgr)
469{
470 return 0;
471}
472
473static inline int security_binder_transaction(struct task_struct *from,
474 struct task_struct *to)
475{
476 return 0;
477}
478
479static inline int security_binder_transfer_binder(struct task_struct *from,
480 struct task_struct *to)
481{
482 return 0;
483}
484
485static inline int security_binder_transfer_file(struct task_struct *from,
486 struct task_struct *to,
487 struct file *file)
488{
489 return 0;
490}
491
Ingo Molnar9e488582009-05-07 19:26:19 +1000492static inline int security_ptrace_access_check(struct task_struct *child,
David Howells5cd9c582008-08-14 11:37:28 +0100493 unsigned int mode)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700494{
Ingo Molnar9e488582009-05-07 19:26:19 +1000495 return cap_ptrace_access_check(child, mode);
David Howells5cd9c582008-08-14 11:37:28 +0100496}
497
Alexander Beregalov5e186b52008-08-17 05:34:20 +0400498static inline int security_ptrace_traceme(struct task_struct *parent)
David Howells5cd9c582008-08-14 11:37:28 +0100499{
500 return cap_ptrace_traceme(parent);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700501}
502
Eric Paris7b41b172008-04-23 14:10:25 -0400503static inline int security_capget(struct task_struct *target,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700504 kernel_cap_t *effective,
505 kernel_cap_t *inheritable,
506 kernel_cap_t *permitted)
507{
Eric Paris7b41b172008-04-23 14:10:25 -0400508 return cap_capget(target, effective, inheritable, permitted);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700509}
510
David Howellsd84f4f92008-11-14 10:39:23 +1100511static inline int security_capset(struct cred *new,
512 const struct cred *old,
513 const kernel_cap_t *effective,
514 const kernel_cap_t *inheritable,
515 const kernel_cap_t *permitted)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700516{
David Howellsd84f4f92008-11-14 10:39:23 +1100517 return cap_capset(new, old, effective, inheritable, permitted);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700518}
519
Eric Parisb7e724d2012-01-03 12:25:15 -0500520static inline int security_capable(const struct cred *cred,
Micah Mortonc1a85a02019-01-07 16:10:53 -0800521 struct user_namespace *ns,
522 int cap,
523 unsigned int opts)
Chris Wright12b59892006-03-25 03:07:41 -0800524{
Micah Mortonc1a85a02019-01-07 16:10:53 -0800525 return cap_capable(cred, ns, cap, opts);
Chris Wright12b59892006-03-25 03:07:41 -0800526}
527
Eric Paris7b41b172008-04-23 14:10:25 -0400528static inline int security_quotactl(int cmds, int type, int id,
529 struct super_block *sb)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700530{
531 return 0;
532}
533
Eric Paris7b41b172008-04-23 14:10:25 -0400534static inline int security_quota_on(struct dentry *dentry)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700535{
536 return 0;
537}
538
Eric Paris12b30522010-11-15 18:36:29 -0500539static inline int security_syslog(int type)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700540{
Eric Paris12b30522010-11-15 18:36:29 -0500541 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700542}
543
Baolin Wang457db292016-04-08 14:02:11 +0800544static inline int security_settime64(const struct timespec64 *ts,
545 const struct timezone *tz)
546{
547 return cap_settime(ts, tz);
548}
549
Alan Cox34b4e4a2007-08-22 14:01:28 -0700550static inline int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
551{
Casey Schauflerb1d9e6b2015-05-02 15:11:42 -0700552 return __vm_enough_memory(mm, pages, cap_vm_enough_memory(mm, pages));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700553}
554
David Howellsa6f76f22008-11-14 10:39:24 +1100555static inline int security_bprm_set_creds(struct linux_binprm *bprm)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700556{
David Howellsa6f76f22008-11-14 10:39:24 +1100557 return cap_bprm_set_creds(bprm);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700558}
559
Eric Paris7b41b172008-04-23 14:10:25 -0400560static inline int security_bprm_check(struct linux_binprm *bprm)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700561{
562 return 0;
563}
564
David Howellsa6f76f22008-11-14 10:39:24 +1100565static inline void security_bprm_committing_creds(struct linux_binprm *bprm)
566{
567}
568
569static inline void security_bprm_committed_creds(struct linux_binprm *bprm)
570{
571}
572
Al Viro0b520752018-12-23 16:02:47 -0500573static inline int security_fs_context_dup(struct fs_context *fc,
574 struct fs_context *src_fc)
575{
576 return 0;
577}
David Howellsda2441f2018-11-01 23:07:24 +0000578static inline int security_fs_context_parse_param(struct fs_context *fc,
579 struct fs_parameter *param)
580{
581 return -ENOPARAM;
582}
583
Eric Paris7b41b172008-04-23 14:10:25 -0400584static inline int security_sb_alloc(struct super_block *sb)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700585{
586 return 0;
587}
588
Eric Paris7b41b172008-04-23 14:10:25 -0400589static inline void security_sb_free(struct super_block *sb)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700590{ }
591
Al Virof5c0c262018-11-17 12:09:18 -0500592static inline int security_sb_eat_lsm_opts(char *options,
Al Viro204cc0c2018-12-13 13:41:47 -0500593 void **mnt_opts)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700594{
595 return 0;
596}
597
Al Viroc039bc32018-12-01 23:06:57 -0500598static inline int security_sb_remount(struct super_block *sb,
Al Viro204cc0c2018-12-13 13:41:47 -0500599 void *mnt_opts)
Eric Parisff36fe22011-03-03 16:09:14 -0500600{
601 return 0;
602}
603
Al Viroa10d7c22018-12-05 11:58:35 -0500604static inline int security_sb_kern_mount(struct super_block *sb)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700605{
606 return 0;
607}
608
Eric Paris2069f452008-07-04 09:47:13 +1000609static inline int security_sb_show_options(struct seq_file *m,
610 struct super_block *sb)
611{
612 return 0;
613}
614
Eric Paris7b41b172008-04-23 14:10:25 -0400615static inline int security_sb_statfs(struct dentry *dentry)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700616{
617 return 0;
618}
619
Al Viro8a04c432016-03-25 14:52:53 -0400620static inline int security_sb_mount(const char *dev_name, const struct path *path,
Al Viro808d4e32012-10-11 11:42:01 -0400621 const char *type, unsigned long flags,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700622 void *data)
623{
624 return 0;
625}
626
Eric Paris7b41b172008-04-23 14:10:25 -0400627static inline int security_sb_umount(struct vfsmount *mnt, int flags)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700628{
629 return 0;
630}
631
Al Viro3b73b682016-03-25 15:31:19 -0400632static inline int security_sb_pivotroot(const struct path *old_path,
633 const struct path *new_path)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700634{
635 return 0;
636}
637
Eric Parise0007522008-03-05 10:31:54 -0500638static inline int security_sb_set_mnt_opts(struct super_block *sb,
Al Viro204cc0c2018-12-13 13:41:47 -0500639 void *mnt_opts,
David Quigley649f6e72013-05-22 12:50:36 -0400640 unsigned long kern_flags,
641 unsigned long *set_kern_flags)
Eric Parise0007522008-03-05 10:31:54 -0500642{
643 return 0;
644}
645
Jeff Layton094f7b62013-04-01 08:14:24 -0400646static inline int security_sb_clone_mnt_opts(const struct super_block *oldsb,
Scott Mayhew0b4d3452017-06-05 11:45:04 -0400647 struct super_block *newsb,
648 unsigned long kern_flags,
649 unsigned long *set_kern_flags)
Jeff Layton094f7b62013-04-01 08:14:24 -0400650{
651 return 0;
652}
Eric Parise0007522008-03-05 10:31:54 -0500653
Al Viro757cbe52018-12-14 23:42:21 -0500654static inline int security_add_mnt_opt(const char *option, const char *val,
655 int len, void **mnt_opts)
Eric Parise0007522008-03-05 10:31:54 -0500656{
657 return 0;
658}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700659
David Howells2db154b2018-11-05 17:40:30 +0000660static inline int security_move_mount(const struct path *from_path,
661 const struct path *to_path)
662{
663 return 0;
664}
665
Eric Paris7b41b172008-04-23 14:10:25 -0400666static inline int security_inode_alloc(struct inode *inode)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700667{
668 return 0;
669}
670
Eric Paris7b41b172008-04-23 14:10:25 -0400671static inline void security_inode_free(struct inode *inode)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700672{ }
Stephen Smalley5e41ff92005-09-09 13:01:35 -0700673
David Quigleyd47be3d2013-05-22 12:50:34 -0400674static inline int security_dentry_init_security(struct dentry *dentry,
675 int mode,
Al Viro4f3ccd72016-07-20 16:06:15 -0400676 const struct qstr *name,
David Quigleyd47be3d2013-05-22 12:50:34 -0400677 void **ctx,
678 u32 *ctxlen)
679{
680 return -EOPNOTSUPP;
681}
682
Vivek Goyal26026252016-07-13 10:44:52 -0400683static inline int security_dentry_create_files_as(struct dentry *dentry,
684 int mode, struct qstr *name,
685 const struct cred *old,
686 struct cred *new)
687{
688 return 0;
689}
690
David Quigleyd47be3d2013-05-22 12:50:34 -0400691
Eric Paris7b41b172008-04-23 14:10:25 -0400692static inline int security_inode_init_security(struct inode *inode,
Stephen Smalley5e41ff92005-09-09 13:01:35 -0700693 struct inode *dir,
Eric Paris2a7dba32011-02-01 11:05:39 -0500694 const struct qstr *qstr,
Mark Rustadfbff6612014-08-28 04:43:09 -0700695 const initxattrs xattrs,
Mimi Zohar9d8f13b2011-06-06 15:29:25 -0400696 void *fs_data)
Stephen Smalley5e41ff92005-09-09 13:01:35 -0700697{
Mimi Zohar1e39f382011-08-15 09:09:16 -0400698 return 0;
Stephen Smalley5e41ff92005-09-09 13:01:35 -0700699}
Eric Paris7b41b172008-04-23 14:10:25 -0400700
Mimi Zohar1e39f382011-08-15 09:09:16 -0400701static inline int security_old_inode_init_security(struct inode *inode,
702 struct inode *dir,
703 const struct qstr *qstr,
Tetsuo Handa95489062013-07-25 05:44:02 +0900704 const char **name,
705 void **value, size_t *len)
Mimi Zohare1c9b232011-08-11 00:22:51 -0400706{
Jan Kara30e05322012-01-03 13:14:29 +0100707 return -EOPNOTSUPP;
Mimi Zohare1c9b232011-08-11 00:22:51 -0400708}
709
Eric Paris7b41b172008-04-23 14:10:25 -0400710static inline int security_inode_create(struct inode *dir,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700711 struct dentry *dentry,
Al Viro4acdaf22011-07-26 01:42:34 -0400712 umode_t mode)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700713{
714 return 0;
715}
716
Eric Paris7b41b172008-04-23 14:10:25 -0400717static inline int security_inode_link(struct dentry *old_dentry,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700718 struct inode *dir,
719 struct dentry *new_dentry)
720{
721 return 0;
722}
723
Eric Paris7b41b172008-04-23 14:10:25 -0400724static inline int security_inode_unlink(struct inode *dir,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700725 struct dentry *dentry)
726{
727 return 0;
728}
729
Eric Paris7b41b172008-04-23 14:10:25 -0400730static inline int security_inode_symlink(struct inode *dir,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700731 struct dentry *dentry,
732 const char *old_name)
733{
734 return 0;
735}
736
Eric Paris7b41b172008-04-23 14:10:25 -0400737static inline int security_inode_mkdir(struct inode *dir,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700738 struct dentry *dentry,
739 int mode)
740{
741 return 0;
742}
743
Eric Paris7b41b172008-04-23 14:10:25 -0400744static inline int security_inode_rmdir(struct inode *dir,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700745 struct dentry *dentry)
746{
747 return 0;
748}
749
Eric Paris7b41b172008-04-23 14:10:25 -0400750static inline int security_inode_mknod(struct inode *dir,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700751 struct dentry *dentry,
752 int mode, dev_t dev)
753{
754 return 0;
755}
756
Eric Paris7b41b172008-04-23 14:10:25 -0400757static inline int security_inode_rename(struct inode *old_dir,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700758 struct dentry *old_dentry,
759 struct inode *new_dir,
Miklos Szeredi0b3974e2014-04-01 17:08:43 +0200760 struct dentry *new_dentry,
761 unsigned int flags)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700762{
763 return 0;
764}
765
Eric Paris7b41b172008-04-23 14:10:25 -0400766static inline int security_inode_readlink(struct dentry *dentry)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700767{
768 return 0;
769}
770
NeilBrownbda0be72015-03-23 13:37:39 +1100771static inline int security_inode_follow_link(struct dentry *dentry,
772 struct inode *inode,
773 bool rcu)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700774{
775 return 0;
776}
777
Al Virob77b0642008-07-17 09:37:02 -0400778static inline int security_inode_permission(struct inode *inode, int mask)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700779{
780 return 0;
781}
782
Eric Paris7b41b172008-04-23 14:10:25 -0400783static inline int security_inode_setattr(struct dentry *dentry,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700784 struct iattr *attr)
785{
786 return 0;
787}
788
Al Viro3f7036a2015-03-08 19:28:30 -0400789static inline int security_inode_getattr(const struct path *path)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700790{
791 return 0;
792}
793
David Howells8f0cfa52008-04-29 00:59:41 -0700794static inline int security_inode_setxattr(struct dentry *dentry,
795 const char *name, const void *value, size_t size, int flags)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700796{
797 return cap_inode_setxattr(dentry, name, value, size, flags);
798}
799
David Howells8f0cfa52008-04-29 00:59:41 -0700800static inline void security_inode_post_setxattr(struct dentry *dentry,
801 const char *name, const void *value, size_t size, int flags)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700802{ }
803
David Howells8f0cfa52008-04-29 00:59:41 -0700804static inline int security_inode_getxattr(struct dentry *dentry,
805 const char *name)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700806{
807 return 0;
808}
809
Eric Paris7b41b172008-04-23 14:10:25 -0400810static inline int security_inode_listxattr(struct dentry *dentry)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700811{
812 return 0;
813}
814
David Howells8f0cfa52008-04-29 00:59:41 -0700815static inline int security_inode_removexattr(struct dentry *dentry,
816 const char *name)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700817{
818 return cap_inode_removexattr(dentry, name);
819}
820
Serge E. Hallynb5376772007-10-16 23:31:36 -0700821static inline int security_inode_need_killpriv(struct dentry *dentry)
822{
823 return cap_inode_need_killpriv(dentry);
824}
825
826static inline int security_inode_killpriv(struct dentry *dentry)
827{
828 return cap_inode_killpriv(dentry);
829}
830
Andreas Gruenbacherea861df2015-12-24 11:09:39 -0500831static inline int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700832{
833 return -EOPNOTSUPP;
834}
835
836static inline int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
837{
838 return -EOPNOTSUPP;
839}
840
841static inline int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
842{
843 return 0;
844}
845
Andreas Gruenbacherd6335d72015-12-24 11:09:39 -0500846static inline void security_inode_getsecid(struct inode *inode, u32 *secid)
Ahmed S. Darwish8a076192008-03-01 21:51:09 +0200847{
848 *secid = 0;
849}
850
Vivek Goyald8ad8b42016-07-13 11:13:56 -0400851static inline int security_inode_copy_up(struct dentry *src, struct cred **new)
852{
853 return 0;
854}
855
Ondrej Mosnacekb230d5a2019-02-22 15:57:16 +0100856static inline int security_kernfs_init_security(struct kernfs_node *kn_dir,
857 struct kernfs_node *kn)
858{
859 return 0;
860}
861
Vivek Goyal121ab822016-07-13 10:44:49 -0400862static inline int security_inode_copy_up_xattr(const char *name)
863{
864 return -EOPNOTSUPP;
865}
866
Eric Paris7b41b172008-04-23 14:10:25 -0400867static inline int security_file_permission(struct file *file, int mask)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700868{
869 return 0;
870}
871
Eric Paris7b41b172008-04-23 14:10:25 -0400872static inline int security_file_alloc(struct file *file)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700873{
874 return 0;
875}
876
Eric Paris7b41b172008-04-23 14:10:25 -0400877static inline void security_file_free(struct file *file)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700878{ }
879
Eric Paris7b41b172008-04-23 14:10:25 -0400880static inline int security_file_ioctl(struct file *file, unsigned int cmd,
881 unsigned long arg)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700882{
883 return 0;
884}
885
Al Viro8b3ec682012-05-30 17:11:23 -0400886static inline int security_mmap_file(struct file *file, unsigned long prot,
Al Viroe5467852012-05-30 13:30:51 -0400887 unsigned long flags)
888{
889 return 0;
890}
891
892static inline int security_mmap_addr(unsigned long addr)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700893{
Al Virod0077942012-05-30 13:11:37 -0400894 return cap_mmap_addr(addr);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700895}
896
Eric Paris7b41b172008-04-23 14:10:25 -0400897static inline int security_file_mprotect(struct vm_area_struct *vma,
898 unsigned long reqprot,
899 unsigned long prot)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700900{
901 return 0;
902}
903
Eric Paris7b41b172008-04-23 14:10:25 -0400904static inline int security_file_lock(struct file *file, unsigned int cmd)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700905{
906 return 0;
907}
908
Eric Paris7b41b172008-04-23 14:10:25 -0400909static inline int security_file_fcntl(struct file *file, unsigned int cmd,
910 unsigned long arg)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700911{
912 return 0;
913}
914
Jeff Laytone0b93ed2014-08-22 11:27:32 -0400915static inline void security_file_set_fowner(struct file *file)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700916{
Jeff Laytone0b93ed2014-08-22 11:27:32 -0400917 return;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700918}
919
Eric Paris7b41b172008-04-23 14:10:25 -0400920static inline int security_file_send_sigiotask(struct task_struct *tsk,
921 struct fown_struct *fown,
922 int sig)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700923{
924 return 0;
925}
926
Eric Paris7b41b172008-04-23 14:10:25 -0400927static inline int security_file_receive(struct file *file)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700928{
929 return 0;
930}
931
Al Viroe3f20ae2018-07-10 13:25:29 -0400932static inline int security_file_open(struct file *file)
Yuichi Nakamura788e7dd2007-09-14 09:27:07 +0900933{
934 return 0;
935}
936
Tetsuo Handae4e55b42017-03-24 20:46:33 +0900937static inline int security_task_alloc(struct task_struct *task,
938 unsigned long clone_flags)
939{
940 return 0;
941}
942
Kees Cook1a2a4d02011-12-21 12:17:03 -0800943static inline void security_task_free(struct task_struct *task)
944{ }
945
David Howells945af7c2009-09-04 09:19:48 +0100946static inline int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
947{
948 return 0;
949}
David Howellsee18d642009-09-02 09:14:21 +0100950
David Howellsd84f4f92008-11-14 10:39:23 +1100951static inline void security_cred_free(struct cred *cred)
952{ }
953
954static inline int security_prepare_creds(struct cred *new,
955 const struct cred *old,
956 gfp_t gfp)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700957{
958 return 0;
959}
960
David Howellsee18d642009-09-02 09:14:21 +0100961static inline void security_transfer_creds(struct cred *new,
962 const struct cred *old)
963{
964}
965
David Howells3a3b7ce2008-11-14 10:39:28 +1100966static inline int security_kernel_act_as(struct cred *cred, u32 secid)
967{
968 return 0;
969}
970
971static inline int security_kernel_create_files_as(struct cred *cred,
972 struct inode *inode)
973{
974 return 0;
975}
976
Eric Parisdd8dbf22009-11-03 16:35:32 +1100977static inline int security_kernel_module_request(char *kmod_name)
Eric Paris91884992009-08-13 09:44:57 -0400978{
979 return 0;
980}
981
Mimi Zohar377179c2018-07-13 14:05:56 -0400982static inline int security_kernel_load_data(enum kernel_load_data_id id)
983{
984 return 0;
985}
986
Mimi Zohar39eeb4f2016-01-30 22:23:26 -0500987static inline int security_kernel_read_file(struct file *file,
988 enum kernel_read_file_id id)
989{
990 return 0;
991}
992
Mimi Zoharb44a7df2015-12-28 16:02:29 -0500993static inline int security_kernel_post_read_file(struct file *file,
Mimi Zoharbc8ca5b2016-01-24 10:07:32 -0500994 char *buf, loff_t size,
995 enum kernel_read_file_id id)
Mimi Zoharb44a7df2015-12-28 16:02:29 -0500996{
997 return 0;
998}
999
David Howellsd84f4f92008-11-14 10:39:23 +11001000static inline int security_task_fix_setuid(struct cred *new,
1001 const struct cred *old,
1002 int flags)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001003{
David Howellsd84f4f92008-11-14 10:39:23 +11001004 return cap_task_fix_setuid(new, old, flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001005}
1006
Eric Paris7b41b172008-04-23 14:10:25 -04001007static inline int security_task_setpgid(struct task_struct *p, pid_t pgid)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001008{
1009 return 0;
1010}
1011
Eric Paris7b41b172008-04-23 14:10:25 -04001012static inline int security_task_getpgid(struct task_struct *p)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001013{
1014 return 0;
1015}
1016
Eric Paris7b41b172008-04-23 14:10:25 -04001017static inline int security_task_getsid(struct task_struct *p)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001018{
1019 return 0;
1020}
1021
Eric Paris7b41b172008-04-23 14:10:25 -04001022static inline void security_task_getsecid(struct task_struct *p, u32 *secid)
Ahmed S. Darwish8a076192008-03-01 21:51:09 +02001023{
1024 *secid = 0;
1025}
David Quigleyf9008e4c2006-06-30 01:55:46 -07001026
Eric Paris7b41b172008-04-23 14:10:25 -04001027static inline int security_task_setnice(struct task_struct *p, int nice)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001028{
Serge E. Hallynb5376772007-10-16 23:31:36 -07001029 return cap_task_setnice(p, nice);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001030}
1031
Eric Paris7b41b172008-04-23 14:10:25 -04001032static inline int security_task_setioprio(struct task_struct *p, int ioprio)
James Morris03e68062006-06-23 02:03:58 -07001033{
Serge E. Hallynb5376772007-10-16 23:31:36 -07001034 return cap_task_setioprio(p, ioprio);
James Morris03e68062006-06-23 02:03:58 -07001035}
1036
Eric Paris7b41b172008-04-23 14:10:25 -04001037static inline int security_task_getioprio(struct task_struct *p)
David Quigleya1836a42006-06-30 01:55:49 -07001038{
1039 return 0;
1040}
1041
Stephen Smalley791ec492017-02-17 07:57:00 -05001042static inline int security_task_prlimit(const struct cred *cred,
1043 const struct cred *tcred,
1044 unsigned int flags)
1045{
1046 return 0;
1047}
1048
Jiri Slaby8fd00b42009-08-26 18:41:16 +02001049static inline int security_task_setrlimit(struct task_struct *p,
1050 unsigned int resource,
Eric Paris7b41b172008-04-23 14:10:25 -04001051 struct rlimit *new_rlim)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001052{
1053 return 0;
1054}
1055
KOSAKI Motohirob0ae1982010-10-15 04:21:18 +09001056static inline int security_task_setscheduler(struct task_struct *p)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001057{
KOSAKI Motohirob0ae1982010-10-15 04:21:18 +09001058 return cap_task_setscheduler(p);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001059}
1060
Eric Paris7b41b172008-04-23 14:10:25 -04001061static inline int security_task_getscheduler(struct task_struct *p)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001062{
1063 return 0;
1064}
1065
Eric Paris7b41b172008-04-23 14:10:25 -04001066static inline int security_task_movememory(struct task_struct *p)
David Quigley35601542006-06-23 02:04:01 -07001067{
1068 return 0;
1069}
1070
Eric Paris7b41b172008-04-23 14:10:25 -04001071static inline int security_task_kill(struct task_struct *p,
Eric W. Biedermanae7795b2018-09-25 11:27:20 +02001072 struct kernel_siginfo *info, int sig,
Stephen Smalley6b4f3d02017-09-08 12:40:01 -04001073 const struct cred *cred)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001074{
Serge Hallynaedb60a2008-02-29 15:14:57 +00001075 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001076}
1077
Eric Paris7b41b172008-04-23 14:10:25 -04001078static inline int security_task_prctl(int option, unsigned long arg2,
1079 unsigned long arg3,
1080 unsigned long arg4,
David Howellsd84f4f92008-11-14 10:39:23 +11001081 unsigned long arg5)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001082{
Jann Hornb7f76ea2015-09-18 23:41:23 +02001083 return cap_task_prctl(option, arg2, arg3, arg4, arg5);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001084}
1085
1086static inline void security_task_to_inode(struct task_struct *p, struct inode *inode)
1087{ }
1088
Eric Paris7b41b172008-04-23 14:10:25 -04001089static inline int security_ipc_permission(struct kern_ipc_perm *ipcp,
1090 short flag)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001091{
1092 return 0;
1093}
1094
Ahmed S. Darwish8a076192008-03-01 21:51:09 +02001095static inline void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
1096{
1097 *secid = 0;
1098}
1099
Eric Paris7b41b172008-04-23 14:10:25 -04001100static inline int security_msg_msg_alloc(struct msg_msg *msg)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001101{
1102 return 0;
1103}
1104
Eric Paris7b41b172008-04-23 14:10:25 -04001105static inline void security_msg_msg_free(struct msg_msg *msg)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001106{ }
1107
Eric W. Biedermand8c6e852018-03-22 21:22:26 -05001108static inline int security_msg_queue_alloc(struct kern_ipc_perm *msq)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001109{
1110 return 0;
1111}
1112
Eric W. Biedermand8c6e852018-03-22 21:22:26 -05001113static inline void security_msg_queue_free(struct kern_ipc_perm *msq)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001114{ }
1115
Eric W. Biedermand8c6e852018-03-22 21:22:26 -05001116static inline int security_msg_queue_associate(struct kern_ipc_perm *msq,
Eric Paris7b41b172008-04-23 14:10:25 -04001117 int msqflg)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001118{
1119 return 0;
1120}
1121
Eric W. Biedermand8c6e852018-03-22 21:22:26 -05001122static inline int security_msg_queue_msgctl(struct kern_ipc_perm *msq, int cmd)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001123{
1124 return 0;
1125}
1126
Eric W. Biedermand8c6e852018-03-22 21:22:26 -05001127static inline int security_msg_queue_msgsnd(struct kern_ipc_perm *msq,
Eric Paris7b41b172008-04-23 14:10:25 -04001128 struct msg_msg *msg, int msqflg)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001129{
1130 return 0;
1131}
1132
Eric W. Biedermand8c6e852018-03-22 21:22:26 -05001133static inline int security_msg_queue_msgrcv(struct kern_ipc_perm *msq,
Eric Paris7b41b172008-04-23 14:10:25 -04001134 struct msg_msg *msg,
1135 struct task_struct *target,
1136 long type, int mode)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001137{
1138 return 0;
1139}
1140
Eric W. Biederman7191adf2018-03-22 21:08:27 -05001141static inline int security_shm_alloc(struct kern_ipc_perm *shp)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001142{
1143 return 0;
1144}
1145
Eric W. Biederman7191adf2018-03-22 21:08:27 -05001146static inline void security_shm_free(struct kern_ipc_perm *shp)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001147{ }
1148
Eric W. Biederman7191adf2018-03-22 21:08:27 -05001149static inline int security_shm_associate(struct kern_ipc_perm *shp,
Eric Paris7b41b172008-04-23 14:10:25 -04001150 int shmflg)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001151{
1152 return 0;
1153}
1154
Eric W. Biederman7191adf2018-03-22 21:08:27 -05001155static inline int security_shm_shmctl(struct kern_ipc_perm *shp, int cmd)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001156{
1157 return 0;
1158}
1159
Eric W. Biederman7191adf2018-03-22 21:08:27 -05001160static inline int security_shm_shmat(struct kern_ipc_perm *shp,
Eric Paris7b41b172008-04-23 14:10:25 -04001161 char __user *shmaddr, int shmflg)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001162{
1163 return 0;
1164}
1165
Eric W. Biedermanaefad952018-03-22 20:52:43 -05001166static inline int security_sem_alloc(struct kern_ipc_perm *sma)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001167{
1168 return 0;
1169}
1170
Eric W. Biedermanaefad952018-03-22 20:52:43 -05001171static inline void security_sem_free(struct kern_ipc_perm *sma)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001172{ }
1173
Eric W. Biedermanaefad952018-03-22 20:52:43 -05001174static inline int security_sem_associate(struct kern_ipc_perm *sma, int semflg)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001175{
1176 return 0;
1177}
1178
Eric W. Biedermanaefad952018-03-22 20:52:43 -05001179static inline int security_sem_semctl(struct kern_ipc_perm *sma, int cmd)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001180{
1181 return 0;
1182}
1183
Eric W. Biedermanaefad952018-03-22 20:52:43 -05001184static inline int security_sem_semop(struct kern_ipc_perm *sma,
Eric Paris7b41b172008-04-23 14:10:25 -04001185 struct sembuf *sops, unsigned nsops,
1186 int alter)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001187{
1188 return 0;
1189}
1190
Casey Schaufler6d9c9392018-09-21 17:16:59 -07001191static inline void security_d_instantiate(struct dentry *dentry,
1192 struct inode *inode)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001193{ }
1194
Casey Schaufler6d9c9392018-09-21 17:16:59 -07001195static inline int security_getprocattr(struct task_struct *p, const char *lsm,
1196 char *name, char **value)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001197{
1198 return -EINVAL;
1199}
1200
Casey Schaufler6d9c9392018-09-21 17:16:59 -07001201static inline int security_setprocattr(const char *lsm, char *name,
1202 void *value, size_t size)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001203{
1204 return -EINVAL;
1205}
1206
Eric Paris7b41b172008-04-23 14:10:25 -04001207static inline int security_netlink_send(struct sock *sk, struct sk_buff *skb)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001208{
Casey Schauflerb1d9e6b2015-05-02 15:11:42 -07001209 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001210}
1211
David Quigley746df9b2013-05-22 12:50:35 -04001212static inline int security_ismaclabel(const char *name)
1213{
1214 return 0;
1215}
1216
Catherine Zhangdc49c1f2006-08-02 14:12:06 -07001217static inline int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
1218{
1219 return -EOPNOTSUPP;
1220}
1221
David Howells7bf570d2008-04-29 20:52:51 +01001222static inline int security_secctx_to_secid(const char *secdata,
David Howells63cb3442008-01-15 23:47:35 +00001223 u32 seclen,
1224 u32 *secid)
1225{
1226 return -EOPNOTSUPP;
1227}
1228
Catherine Zhangdc49c1f2006-08-02 14:12:06 -07001229static inline void security_release_secctx(char *secdata, u32 seclen)
1230{
Catherine Zhangdc49c1f2006-08-02 14:12:06 -07001231}
David P. Quigley1ee65e32009-09-03 14:25:57 -04001232
Andreas Gruenbacher6f3be9f2015-12-24 11:09:40 -05001233static inline void security_inode_invalidate_secctx(struct inode *inode)
1234{
1235}
1236
David P. Quigley1ee65e32009-09-03 14:25:57 -04001237static inline int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
1238{
1239 return -EOPNOTSUPP;
1240}
1241static inline int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
1242{
1243 return -EOPNOTSUPP;
1244}
1245static inline int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
1246{
1247 return -EOPNOTSUPP;
1248}
Matthew Garrett9e47d312019-08-19 17:17:38 -07001249static inline int security_locked_down(enum lockdown_reason what)
1250{
1251 return 0;
1252}
Linus Torvalds1da177e2005-04-16 15:20:36 -07001253#endif /* CONFIG_SECURITY */
1254
1255#ifdef CONFIG_SECURITY_NETWORK
Linus Torvalds1da177e2005-04-16 15:20:36 -07001256
David S. Miller3610cda2011-01-05 15:38:53 -08001257int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk);
James Morris20510f22007-10-16 23:31:32 -07001258int security_unix_may_send(struct socket *sock, struct socket *other);
1259int security_socket_create(int family, int type, int protocol, int kern);
1260int security_socket_post_create(struct socket *sock, int family,
1261 int type, int protocol, int kern);
David Herrmannaae7cfc2018-05-04 16:28:19 +02001262int security_socket_socketpair(struct socket *socka, struct socket *sockb);
James Morris20510f22007-10-16 23:31:32 -07001263int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen);
1264int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen);
1265int security_socket_listen(struct socket *sock, int backlog);
1266int security_socket_accept(struct socket *sock, struct socket *newsock);
James Morris20510f22007-10-16 23:31:32 -07001267int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size);
1268int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1269 int size, int flags);
1270int security_socket_getsockname(struct socket *sock);
1271int security_socket_getpeername(struct socket *sock);
1272int security_socket_getsockopt(struct socket *sock, int level, int optname);
1273int security_socket_setsockopt(struct socket *sock, int level, int optname);
1274int security_socket_shutdown(struct socket *sock, int how);
1275int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb);
1276int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1277 int __user *optlen, unsigned len);
1278int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid);
1279int security_sk_alloc(struct sock *sk, int family, gfp_t priority);
1280void security_sk_free(struct sock *sk);
1281void security_sk_clone(const struct sock *sk, struct sock *newsk);
1282void security_sk_classify_flow(struct sock *sk, struct flowi *fl);
1283void security_req_classify_flow(const struct request_sock *req, struct flowi *fl);
1284void security_sock_graft(struct sock*sk, struct socket *parent);
1285int security_inet_conn_request(struct sock *sk,
1286 struct sk_buff *skb, struct request_sock *req);
1287void security_inet_csk_clone(struct sock *newsk,
1288 const struct request_sock *req);
1289void security_inet_conn_established(struct sock *sk,
1290 struct sk_buff *skb);
Eric Paris2606fd12010-10-13 16:24:41 -04001291int security_secmark_relabel_packet(u32 secid);
1292void security_secmark_refcount_inc(void);
1293void security_secmark_refcount_dec(void);
Paul Moore5dbbaf22013-01-14 07:12:19 +00001294int security_tun_dev_alloc_security(void **security);
1295void security_tun_dev_free_security(void *security);
Paul Moore2b980db2009-08-28 18:12:43 -04001296int security_tun_dev_create(void);
Paul Moore5dbbaf22013-01-14 07:12:19 +00001297int security_tun_dev_attach_queue(void *security);
1298int security_tun_dev_attach(struct sock *sk, void *security);
1299int security_tun_dev_open(void *security);
Richard Haines72e89f52018-02-13 20:53:21 +00001300int security_sctp_assoc_request(struct sctp_endpoint *ep, struct sk_buff *skb);
1301int security_sctp_bind_connect(struct sock *sk, int optname,
1302 struct sockaddr *address, int addrlen);
1303void security_sctp_sk_clone(struct sctp_endpoint *ep, struct sock *sk,
1304 struct sock *newsk);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001305
Linus Torvalds1da177e2005-04-16 15:20:36 -07001306#else /* CONFIG_SECURITY_NETWORK */
David S. Miller3610cda2011-01-05 15:38:53 -08001307static inline int security_unix_stream_connect(struct sock *sock,
1308 struct sock *other,
Eric Paris7b41b172008-04-23 14:10:25 -04001309 struct sock *newsk)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001310{
1311 return 0;
1312}
1313
Eric Paris7b41b172008-04-23 14:10:25 -04001314static inline int security_unix_may_send(struct socket *sock,
1315 struct socket *other)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001316{
1317 return 0;
1318}
1319
Eric Paris7b41b172008-04-23 14:10:25 -04001320static inline int security_socket_create(int family, int type,
1321 int protocol, int kern)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001322{
1323 return 0;
1324}
1325
Eric Paris7b41b172008-04-23 14:10:25 -04001326static inline int security_socket_post_create(struct socket *sock,
Venkat Yekkirala7420ed22006-08-04 23:17:57 -07001327 int family,
1328 int type,
1329 int protocol, int kern)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001330{
Venkat Yekkirala7420ed22006-08-04 23:17:57 -07001331 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001332}
1333
David Herrmannaae7cfc2018-05-04 16:28:19 +02001334static inline int security_socket_socketpair(struct socket *socka,
1335 struct socket *sockb)
1336{
1337 return 0;
1338}
1339
Eric Paris7b41b172008-04-23 14:10:25 -04001340static inline int security_socket_bind(struct socket *sock,
1341 struct sockaddr *address,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001342 int addrlen)
1343{
1344 return 0;
1345}
1346
Eric Paris7b41b172008-04-23 14:10:25 -04001347static inline int security_socket_connect(struct socket *sock,
1348 struct sockaddr *address,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001349 int addrlen)
1350{
1351 return 0;
1352}
1353
Eric Paris7b41b172008-04-23 14:10:25 -04001354static inline int security_socket_listen(struct socket *sock, int backlog)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001355{
1356 return 0;
1357}
1358
Eric Paris7b41b172008-04-23 14:10:25 -04001359static inline int security_socket_accept(struct socket *sock,
1360 struct socket *newsock)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001361{
1362 return 0;
1363}
1364
Eric Paris7b41b172008-04-23 14:10:25 -04001365static inline int security_socket_sendmsg(struct socket *sock,
1366 struct msghdr *msg, int size)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001367{
1368 return 0;
1369}
1370
Eric Paris7b41b172008-04-23 14:10:25 -04001371static inline int security_socket_recvmsg(struct socket *sock,
1372 struct msghdr *msg, int size,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001373 int flags)
1374{
1375 return 0;
1376}
1377
Eric Paris7b41b172008-04-23 14:10:25 -04001378static inline int security_socket_getsockname(struct socket *sock)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001379{
1380 return 0;
1381}
1382
Eric Paris7b41b172008-04-23 14:10:25 -04001383static inline int security_socket_getpeername(struct socket *sock)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001384{
1385 return 0;
1386}
1387
Eric Paris7b41b172008-04-23 14:10:25 -04001388static inline int security_socket_getsockopt(struct socket *sock,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001389 int level, int optname)
1390{
1391 return 0;
1392}
1393
Eric Paris7b41b172008-04-23 14:10:25 -04001394static inline int security_socket_setsockopt(struct socket *sock,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001395 int level, int optname)
1396{
1397 return 0;
1398}
1399
Eric Paris7b41b172008-04-23 14:10:25 -04001400static inline int security_socket_shutdown(struct socket *sock, int how)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001401{
1402 return 0;
1403}
Eric Paris7b41b172008-04-23 14:10:25 -04001404static inline int security_sock_rcv_skb(struct sock *sk,
1405 struct sk_buff *skb)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001406{
1407 return 0;
1408}
1409
Catherine Zhang2c7946a2006-03-20 22:41:23 -08001410static inline int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1411 int __user *optlen, unsigned len)
1412{
1413 return -ENOPROTOOPT;
1414}
1415
Catherine Zhangdc49c1f2006-08-02 14:12:06 -07001416static inline int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001417{
1418 return -ENOPROTOOPT;
1419}
1420
Al Virodd0fc662005-10-07 07:46:04 +01001421static inline int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001422{
1423 return 0;
1424}
1425
1426static inline void security_sk_free(struct sock *sk)
1427{
1428}
Trent Jaegerdf718372005-12-13 23:12:27 -08001429
Venkat Yekkirala892c1412006-08-04 23:08:56 -07001430static inline void security_sk_clone(const struct sock *sk, struct sock *newsk)
1431{
1432}
1433
Venkat Yekkiralabeb8d132006-08-04 23:12:42 -07001434static inline void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
Trent Jaegerdf718372005-12-13 23:12:27 -08001435{
Trent Jaegerdf718372005-12-13 23:12:27 -08001436}
Venkat Yekkirala4237c752006-07-24 23:32:50 -07001437
1438static inline void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1439{
1440}
1441
Eric Paris7b41b172008-04-23 14:10:25 -04001442static inline void security_sock_graft(struct sock *sk, struct socket *parent)
Venkat Yekkirala4237c752006-07-24 23:32:50 -07001443{
1444}
1445
1446static inline int security_inet_conn_request(struct sock *sk,
1447 struct sk_buff *skb, struct request_sock *req)
1448{
1449 return 0;
1450}
1451
1452static inline void security_inet_csk_clone(struct sock *newsk,
1453 const struct request_sock *req)
1454{
1455}
Venkat Yekkirala6b877692006-11-08 17:04:09 -06001456
1457static inline void security_inet_conn_established(struct sock *sk,
1458 struct sk_buff *skb)
1459{
1460}
Paul Moore2b980db2009-08-28 18:12:43 -04001461
Eric Paris2606fd12010-10-13 16:24:41 -04001462static inline int security_secmark_relabel_packet(u32 secid)
1463{
1464 return 0;
1465}
1466
1467static inline void security_secmark_refcount_inc(void)
1468{
1469}
1470
1471static inline void security_secmark_refcount_dec(void)
1472{
1473}
1474
Paul Moore5dbbaf22013-01-14 07:12:19 +00001475static inline int security_tun_dev_alloc_security(void **security)
1476{
1477 return 0;
1478}
1479
1480static inline void security_tun_dev_free_security(void *security)
1481{
1482}
1483
Paul Moore2b980db2009-08-28 18:12:43 -04001484static inline int security_tun_dev_create(void)
1485{
1486 return 0;
1487}
1488
Paul Moore5dbbaf22013-01-14 07:12:19 +00001489static inline int security_tun_dev_attach_queue(void *security)
Paul Moore2b980db2009-08-28 18:12:43 -04001490{
Paul Moore5dbbaf22013-01-14 07:12:19 +00001491 return 0;
Paul Moore2b980db2009-08-28 18:12:43 -04001492}
1493
Paul Moore5dbbaf22013-01-14 07:12:19 +00001494static inline int security_tun_dev_attach(struct sock *sk, void *security)
1495{
1496 return 0;
1497}
1498
1499static inline int security_tun_dev_open(void *security)
Paul Moore2b980db2009-08-28 18:12:43 -04001500{
1501 return 0;
1502}
Richard Haines72e89f52018-02-13 20:53:21 +00001503
1504static inline int security_sctp_assoc_request(struct sctp_endpoint *ep,
1505 struct sk_buff *skb)
1506{
1507 return 0;
1508}
1509
1510static inline int security_sctp_bind_connect(struct sock *sk, int optname,
1511 struct sockaddr *address,
1512 int addrlen)
1513{
1514 return 0;
1515}
1516
1517static inline void security_sctp_sk_clone(struct sctp_endpoint *ep,
1518 struct sock *sk,
1519 struct sock *newsk)
1520{
1521}
Linus Torvalds1da177e2005-04-16 15:20:36 -07001522#endif /* CONFIG_SECURITY_NETWORK */
1523
Daniel Jurgensd291f1a2017-05-19 15:48:52 +03001524#ifdef CONFIG_SECURITY_INFINIBAND
1525int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey);
Daniel Jurgens47a2b332017-05-19 15:48:54 +03001526int security_ib_endport_manage_subnet(void *sec, const char *name, u8 port_num);
Daniel Jurgensd291f1a2017-05-19 15:48:52 +03001527int security_ib_alloc_security(void **sec);
1528void security_ib_free_security(void *sec);
1529#else /* CONFIG_SECURITY_INFINIBAND */
1530static inline int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey)
1531{
1532 return 0;
1533}
1534
Daniel Jurgens47a2b332017-05-19 15:48:54 +03001535static inline int security_ib_endport_manage_subnet(void *sec, const char *dev_name, u8 port_num)
1536{
1537 return 0;
1538}
1539
Daniel Jurgensd291f1a2017-05-19 15:48:52 +03001540static inline int security_ib_alloc_security(void **sec)
1541{
1542 return 0;
1543}
1544
1545static inline void security_ib_free_security(void *sec)
1546{
1547}
1548#endif /* CONFIG_SECURITY_INFINIBAND */
1549
Trent Jaegerdf718372005-12-13 23:12:27 -08001550#ifdef CONFIG_SECURITY_NETWORK_XFRM
Venkat Yekkiralacb969f02006-07-24 23:32:20 -07001551
Nikolay Aleksandrov52a4c642014-03-07 12:44:19 +01001552int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1553 struct xfrm_user_sec_ctx *sec_ctx, gfp_t gfp);
Paul Moore03e1ad72008-04-12 19:07:52 -07001554int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, struct xfrm_sec_ctx **new_ctxp);
1555void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx);
1556int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx);
James Morris20510f22007-10-16 23:31:32 -07001557int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx);
1558int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1559 struct xfrm_sec_ctx *polsec, u32 secid);
1560int security_xfrm_state_delete(struct xfrm_state *x);
1561void security_xfrm_state_free(struct xfrm_state *x);
Paul Moore03e1ad72008-04-12 19:07:52 -07001562int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir);
James Morris20510f22007-10-16 23:31:32 -07001563int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
David S. Millere33f7702011-02-22 18:13:15 -08001564 struct xfrm_policy *xp,
1565 const struct flowi *fl);
James Morris20510f22007-10-16 23:31:32 -07001566int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid);
1567void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl);
Trent Jaegerdf718372005-12-13 23:12:27 -08001568
Trent Jaegerdf718372005-12-13 23:12:27 -08001569#else /* CONFIG_SECURITY_NETWORK_XFRM */
James Morris20510f22007-10-16 23:31:32 -07001570
Nikolay Aleksandrov52a4c642014-03-07 12:44:19 +01001571static inline int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1572 struct xfrm_user_sec_ctx *sec_ctx,
1573 gfp_t gfp)
Trent Jaegerdf718372005-12-13 23:12:27 -08001574{
1575 return 0;
1576}
1577
Paul Moore03e1ad72008-04-12 19:07:52 -07001578static inline int security_xfrm_policy_clone(struct xfrm_sec_ctx *old, struct xfrm_sec_ctx **new_ctxp)
Trent Jaegerdf718372005-12-13 23:12:27 -08001579{
1580 return 0;
1581}
1582
Paul Moore03e1ad72008-04-12 19:07:52 -07001583static inline void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
Trent Jaegerdf718372005-12-13 23:12:27 -08001584{
1585}
1586
Paul Moore03e1ad72008-04-12 19:07:52 -07001587static inline int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
Catherine Zhangc8c05a82006-06-08 23:39:49 -07001588{
1589 return 0;
1590}
1591
Venkat Yekkiralae0d1caa2006-07-24 23:29:07 -07001592static inline int security_xfrm_state_alloc(struct xfrm_state *x,
1593 struct xfrm_user_sec_ctx *sec_ctx)
1594{
1595 return 0;
1596}
1597
1598static inline int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1599 struct xfrm_sec_ctx *polsec, u32 secid)
Trent Jaegerdf718372005-12-13 23:12:27 -08001600{
1601 return 0;
1602}
1603
1604static inline void security_xfrm_state_free(struct xfrm_state *x)
1605{
1606}
1607
David S. Miller6f68dc32006-06-08 23:58:52 -07001608static inline int security_xfrm_state_delete(struct xfrm_state *x)
Catherine Zhangc8c05a82006-06-08 23:39:49 -07001609{
1610 return 0;
1611}
1612
Paul Moore03e1ad72008-04-12 19:07:52 -07001613static inline int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
Trent Jaegerdf718372005-12-13 23:12:27 -08001614{
1615 return 0;
1616}
Venkat Yekkiralae0d1caa2006-07-24 23:29:07 -07001617
1618static inline int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
David S. Millere33f7702011-02-22 18:13:15 -08001619 struct xfrm_policy *xp, const struct flowi *fl)
Venkat Yekkiralae0d1caa2006-07-24 23:29:07 -07001620{
1621 return 1;
1622}
1623
Venkat Yekkiralabeb8d132006-08-04 23:12:42 -07001624static inline int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
Venkat Yekkiralae0d1caa2006-07-24 23:29:07 -07001625{
1626 return 0;
1627}
1628
Venkat Yekkiralabeb8d132006-08-04 23:12:42 -07001629static inline void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1630{
1631}
1632
Trent Jaegerdf718372005-12-13 23:12:27 -08001633#endif /* CONFIG_SECURITY_NETWORK_XFRM */
1634
Kentaro Takedabe6d3e52008-12-17 13:24:15 +09001635#ifdef CONFIG_SECURITY_PATH
Al Viro989f74e2016-03-25 15:13:39 -04001636int security_path_unlink(const struct path *dir, struct dentry *dentry);
Al Virod3607752016-03-25 15:21:09 -04001637int security_path_mkdir(const struct path *dir, struct dentry *dentry, umode_t mode);
Al Viro989f74e2016-03-25 15:13:39 -04001638int security_path_rmdir(const struct path *dir, struct dentry *dentry);
Al Virod3607752016-03-25 15:21:09 -04001639int security_path_mknod(const struct path *dir, struct dentry *dentry, umode_t mode,
Kentaro Takedabe6d3e52008-12-17 13:24:15 +09001640 unsigned int dev);
Al Viro81f4c502016-03-25 14:22:01 -04001641int security_path_truncate(const struct path *path);
Al Virod3607752016-03-25 15:21:09 -04001642int security_path_symlink(const struct path *dir, struct dentry *dentry,
Kentaro Takedabe6d3e52008-12-17 13:24:15 +09001643 const char *old_name);
Al Viro3ccee462016-03-25 15:27:45 -04001644int security_path_link(struct dentry *old_dentry, const struct path *new_dir,
Kentaro Takedabe6d3e52008-12-17 13:24:15 +09001645 struct dentry *new_dentry);
Al Viro3ccee462016-03-25 15:27:45 -04001646int security_path_rename(const struct path *old_dir, struct dentry *old_dentry,
1647 const struct path *new_dir, struct dentry *new_dentry,
Miklos Szeredi0b3974e2014-04-01 17:08:43 +02001648 unsigned int flags);
Al Virobe01f9f2016-03-25 14:56:23 -04001649int security_path_chmod(const struct path *path, umode_t mode);
Al Viro7fd25da2016-03-25 14:44:41 -04001650int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid);
Al Viro77b286c2016-03-25 15:28:43 -04001651int security_path_chroot(const struct path *path);
Kentaro Takedabe6d3e52008-12-17 13:24:15 +09001652#else /* CONFIG_SECURITY_PATH */
Al Viro989f74e2016-03-25 15:13:39 -04001653static inline int security_path_unlink(const struct path *dir, struct dentry *dentry)
Kentaro Takedabe6d3e52008-12-17 13:24:15 +09001654{
1655 return 0;
1656}
1657
Al Virod3607752016-03-25 15:21:09 -04001658static inline int security_path_mkdir(const struct path *dir, struct dentry *dentry,
Al Viro4572bef2011-11-21 14:56:21 -05001659 umode_t mode)
Kentaro Takedabe6d3e52008-12-17 13:24:15 +09001660{
1661 return 0;
1662}
1663
Al Viro989f74e2016-03-25 15:13:39 -04001664static inline int security_path_rmdir(const struct path *dir, struct dentry *dentry)
Kentaro Takedabe6d3e52008-12-17 13:24:15 +09001665{
1666 return 0;
1667}
1668
Al Virod3607752016-03-25 15:21:09 -04001669static inline int security_path_mknod(const struct path *dir, struct dentry *dentry,
Al Viro04fc66e2011-11-21 14:58:38 -05001670 umode_t mode, unsigned int dev)
Kentaro Takedabe6d3e52008-12-17 13:24:15 +09001671{
1672 return 0;
1673}
1674
Al Viro81f4c502016-03-25 14:22:01 -04001675static inline int security_path_truncate(const struct path *path)
Kentaro Takedabe6d3e52008-12-17 13:24:15 +09001676{
1677 return 0;
1678}
1679
Al Virod3607752016-03-25 15:21:09 -04001680static inline int security_path_symlink(const struct path *dir, struct dentry *dentry,
Kentaro Takedabe6d3e52008-12-17 13:24:15 +09001681 const char *old_name)
1682{
1683 return 0;
1684}
1685
1686static inline int security_path_link(struct dentry *old_dentry,
Al Viro3ccee462016-03-25 15:27:45 -04001687 const struct path *new_dir,
Kentaro Takedabe6d3e52008-12-17 13:24:15 +09001688 struct dentry *new_dentry)
1689{
1690 return 0;
1691}
1692
Al Viro3ccee462016-03-25 15:27:45 -04001693static inline int security_path_rename(const struct path *old_dir,
Kentaro Takedabe6d3e52008-12-17 13:24:15 +09001694 struct dentry *old_dentry,
Al Viro3ccee462016-03-25 15:27:45 -04001695 const struct path *new_dir,
Miklos Szeredi0b3974e2014-04-01 17:08:43 +02001696 struct dentry *new_dentry,
1697 unsigned int flags)
Kentaro Takedabe6d3e52008-12-17 13:24:15 +09001698{
1699 return 0;
1700}
Tetsuo Handa89eda062009-10-04 21:49:47 +09001701
Al Virobe01f9f2016-03-25 14:56:23 -04001702static inline int security_path_chmod(const struct path *path, umode_t mode)
Tetsuo Handa89eda062009-10-04 21:49:47 +09001703{
1704 return 0;
1705}
1706
Al Viro7fd25da2016-03-25 14:44:41 -04001707static inline int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid)
Tetsuo Handa89eda062009-10-04 21:49:47 +09001708{
1709 return 0;
1710}
Tetsuo Handa8b8efb42009-10-04 21:49:48 +09001711
Al Viro77b286c2016-03-25 15:28:43 -04001712static inline int security_path_chroot(const struct path *path)
Tetsuo Handa8b8efb42009-10-04 21:49:48 +09001713{
1714 return 0;
1715}
Kentaro Takedabe6d3e52008-12-17 13:24:15 +09001716#endif /* CONFIG_SECURITY_PATH */
1717
David Howells29db9192005-10-30 15:02:44 -08001718#ifdef CONFIG_KEYS
1719#ifdef CONFIG_SECURITY
David Howells29db9192005-10-30 15:02:44 -08001720
David Howellsd84f4f92008-11-14 10:39:23 +11001721int security_key_alloc(struct key *key, const struct cred *cred, unsigned long flags);
James Morris20510f22007-10-16 23:31:32 -07001722void security_key_free(struct key *key);
1723int security_key_permission(key_ref_t key_ref,
David Howellsf5895942014-03-14 17:44:49 +00001724 const struct cred *cred, unsigned perm);
David Howells70a5bb72008-04-29 01:01:26 -07001725int security_key_getsecurity(struct key *key, char **_buffer);
David Howells29db9192005-10-30 15:02:44 -08001726
1727#else
1728
Michael LeMayd7200242006-06-22 14:47:17 -07001729static inline int security_key_alloc(struct key *key,
David Howellsd84f4f92008-11-14 10:39:23 +11001730 const struct cred *cred,
David Howells7e047ef2006-06-26 00:24:50 -07001731 unsigned long flags)
David Howells29db9192005-10-30 15:02:44 -08001732{
1733 return 0;
1734}
1735
1736static inline void security_key_free(struct key *key)
1737{
1738}
1739
1740static inline int security_key_permission(key_ref_t key_ref,
David Howellsd84f4f92008-11-14 10:39:23 +11001741 const struct cred *cred,
David Howellsf5895942014-03-14 17:44:49 +00001742 unsigned perm)
David Howells29db9192005-10-30 15:02:44 -08001743{
1744 return 0;
1745}
1746
David Howells70a5bb72008-04-29 01:01:26 -07001747static inline int security_key_getsecurity(struct key *key, char **_buffer)
1748{
1749 *_buffer = NULL;
1750 return 0;
1751}
1752
David Howells29db9192005-10-30 15:02:44 -08001753#endif
1754#endif /* CONFIG_KEYS */
1755
Ahmed S. Darwish03d37d22008-03-01 22:00:05 +02001756#ifdef CONFIG_AUDIT
1757#ifdef CONFIG_SECURITY
1758int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule);
1759int security_audit_rule_known(struct audit_krule *krule);
Richard Guy Briggs90462a52019-01-31 11:52:11 -05001760int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule);
Ahmed S. Darwish03d37d22008-03-01 22:00:05 +02001761void security_audit_rule_free(void *lsmrule);
1762
1763#else
1764
1765static inline int security_audit_rule_init(u32 field, u32 op, char *rulestr,
1766 void **lsmrule)
1767{
1768 return 0;
1769}
1770
1771static inline int security_audit_rule_known(struct audit_krule *krule)
1772{
1773 return 0;
1774}
1775
1776static inline int security_audit_rule_match(u32 secid, u32 field, u32 op,
Richard Guy Briggs90462a52019-01-31 11:52:11 -05001777 void *lsmrule)
Ahmed S. Darwish03d37d22008-03-01 22:00:05 +02001778{
1779 return 0;
1780}
1781
1782static inline void security_audit_rule_free(void *lsmrule)
1783{ }
1784
1785#endif /* CONFIG_SECURITY */
1786#endif /* CONFIG_AUDIT */
1787
Eric Parisda318942008-08-22 11:35:57 -04001788#ifdef CONFIG_SECURITYFS
1789
Al Viro52ef0c02011-07-26 04:30:04 -04001790extern struct dentry *securityfs_create_file(const char *name, umode_t mode,
Eric Parisda318942008-08-22 11:35:57 -04001791 struct dentry *parent, void *data,
1792 const struct file_operations *fops);
1793extern struct dentry *securityfs_create_dir(const char *name, struct dentry *parent);
John Johansen6623ec72017-05-07 05:53:37 -07001794struct dentry *securityfs_create_symlink(const char *name,
1795 struct dentry *parent,
1796 const char *target,
1797 const struct inode_operations *iops);
Eric Parisda318942008-08-22 11:35:57 -04001798extern void securityfs_remove(struct dentry *dentry);
1799
1800#else /* CONFIG_SECURITYFS */
1801
1802static inline struct dentry *securityfs_create_dir(const char *name,
1803 struct dentry *parent)
1804{
1805 return ERR_PTR(-ENODEV);
1806}
1807
1808static inline struct dentry *securityfs_create_file(const char *name,
Al Viro52ef0c02011-07-26 04:30:04 -04001809 umode_t mode,
Eric Parisda318942008-08-22 11:35:57 -04001810 struct dentry *parent,
1811 void *data,
1812 const struct file_operations *fops)
1813{
1814 return ERR_PTR(-ENODEV);
1815}
1816
John Johansen6623ec72017-05-07 05:53:37 -07001817static inline struct dentry *securityfs_create_symlink(const char *name,
1818 struct dentry *parent,
1819 const char *target,
1820 const struct inode_operations *iops)
1821{
1822 return ERR_PTR(-ENODEV);
1823}
1824
Eric Parisda318942008-08-22 11:35:57 -04001825static inline void securityfs_remove(struct dentry *dentry)
1826{}
1827
1828#endif
1829
Chenbo Fengafdb09c2017-10-18 13:00:24 -07001830#ifdef CONFIG_BPF_SYSCALL
Jakub Kicinski1495dc92017-11-01 11:48:00 -07001831union bpf_attr;
1832struct bpf_map;
1833struct bpf_prog;
1834struct bpf_prog_aux;
Chenbo Fengafdb09c2017-10-18 13:00:24 -07001835#ifdef CONFIG_SECURITY
1836extern int security_bpf(int cmd, union bpf_attr *attr, unsigned int size);
1837extern int security_bpf_map(struct bpf_map *map, fmode_t fmode);
1838extern int security_bpf_prog(struct bpf_prog *prog);
1839extern int security_bpf_map_alloc(struct bpf_map *map);
1840extern void security_bpf_map_free(struct bpf_map *map);
1841extern int security_bpf_prog_alloc(struct bpf_prog_aux *aux);
1842extern void security_bpf_prog_free(struct bpf_prog_aux *aux);
1843#else
1844static inline int security_bpf(int cmd, union bpf_attr *attr,
1845 unsigned int size)
1846{
1847 return 0;
1848}
1849
1850static inline int security_bpf_map(struct bpf_map *map, fmode_t fmode)
1851{
1852 return 0;
1853}
1854
1855static inline int security_bpf_prog(struct bpf_prog *prog)
1856{
1857 return 0;
1858}
1859
1860static inline int security_bpf_map_alloc(struct bpf_map *map)
1861{
1862 return 0;
1863}
1864
1865static inline void security_bpf_map_free(struct bpf_map *map)
1866{ }
1867
1868static inline int security_bpf_prog_alloc(struct bpf_prog_aux *aux)
1869{
1870 return 0;
1871}
1872
1873static inline void security_bpf_prog_free(struct bpf_prog_aux *aux)
1874{ }
1875#endif /* CONFIG_SECURITY */
1876#endif /* CONFIG_BPF_SYSCALL */
1877
Linus Torvalds1da177e2005-04-16 15:20:36 -07001878#endif /* ! __LINUX_SECURITY_H */
1879