blob: 458e24bea2d45c65711a0e0d4e00d794fc2cacc5 [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;
38struct siginfo;
39struct sem_array;
40struct sembuf;
41struct kern_ipc_perm;
42struct audit_context;
43struct super_block;
44struct inode;
45struct dentry;
46struct file;
47struct vfsmount;
48struct path;
49struct qstr;
Al Viro40401532012-02-13 03:58:52 +000050struct iattr;
51struct fown_struct;
52struct file_operations;
53struct shmid_kernel;
54struct msg_msg;
55struct msg_queue;
56struct xattr;
57struct xfrm_sec_ctx;
58struct mm_struct;
Linus Torvalds1da177e2005-04-16 15:20:36 -070059
Eric Paris06112162008-11-11 22:02:50 +110060/* If capable should audit the security request */
61#define SECURITY_CAP_NOAUDIT 0
62#define SECURITY_CAP_AUDIT 1
63
David Quigleyeb9ae682013-05-22 12:50:37 -040064/* LSM Agnostic defines for sb_set_mnt_opts */
65#define SECURITY_LSM_NATIVE_LABELS 1
66
Linus Torvalds1da177e2005-04-16 15:20:36 -070067struct ctl_table;
Ahmed S. Darwish03d37d22008-03-01 22:00:05 +020068struct audit_krule;
Serge E. Hallyn34867402011-03-23 16:43:17 -070069struct user_namespace;
Al Viro40401532012-02-13 03:58:52 +000070struct timezone;
Linus Torvalds1da177e2005-04-16 15:20:36 -070071
Daniel Jurgens8f408ab2017-05-19 15:48:53 +030072enum lsm_event {
73 LSM_POLICY_CHANGE,
74};
75
Casey Schauflerb1d9e6b2015-05-02 15:11:42 -070076/* These functions are in security/commoncap.c */
Eric Paris6a9de492012-01-03 12:25:14 -050077extern int cap_capable(const struct cred *cred, struct user_namespace *ns,
78 int cap, int audit);
Baolin Wang457db292016-04-08 14:02:11 +080079extern int cap_settime(const struct timespec64 *ts, const struct timezone *tz);
Ingo Molnar9e488582009-05-07 19:26:19 +100080extern int cap_ptrace_access_check(struct task_struct *child, unsigned int mode);
David Howells5cd9c582008-08-14 11:37:28 +010081extern int cap_ptrace_traceme(struct task_struct *parent);
Eric Paris7b41b172008-04-23 14:10:25 -040082extern 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 +110083extern int cap_capset(struct cred *new, const struct cred *old,
84 const kernel_cap_t *effective,
85 const kernel_cap_t *inheritable,
86 const kernel_cap_t *permitted);
David Howellsa6f76f22008-11-14 10:39:24 +110087extern int cap_bprm_set_creds(struct linux_binprm *bprm);
Linus Torvalds1da177e2005-04-16 15:20:36 -070088extern int cap_bprm_secureexec(struct linux_binprm *bprm);
David Howells8f0cfa52008-04-29 00:59:41 -070089extern int cap_inode_setxattr(struct dentry *dentry, const char *name,
90 const void *value, size_t size, int flags);
91extern int cap_inode_removexattr(struct dentry *dentry, const char *name);
Serge E. Hallynb5376772007-10-16 23:31:36 -070092extern int cap_inode_need_killpriv(struct dentry *dentry);
93extern int cap_inode_killpriv(struct dentry *dentry);
Al Virod0077942012-05-30 13:11:37 -040094extern int cap_mmap_addr(unsigned long addr);
Al Viroe5467852012-05-30 13:30:51 -040095extern int cap_mmap_file(struct file *file, unsigned long reqprot,
96 unsigned long prot, unsigned long flags);
David Howellsd84f4f92008-11-14 10:39:23 +110097extern int cap_task_fix_setuid(struct cred *new, const struct cred *old, int flags);
Andrew G. Morgan3898b1b2008-04-28 02:13:40 -070098extern int cap_task_prctl(int option, unsigned long arg2, unsigned long arg3,
David Howellsd84f4f92008-11-14 10:39:23 +110099 unsigned long arg4, unsigned long arg5);
KOSAKI Motohirob0ae1982010-10-15 04:21:18 +0900100extern int cap_task_setscheduler(struct task_struct *p);
Eric Paris7b41b172008-04-23 14:10:25 -0400101extern int cap_task_setioprio(struct task_struct *p, int ioprio);
102extern int cap_task_setnice(struct task_struct *p, int nice);
James Morris20510f22007-10-16 23:31:32 -0700103extern int cap_vm_enough_memory(struct mm_struct *mm, long pages);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700104
105struct msghdr;
106struct sk_buff;
107struct sock;
108struct sockaddr;
109struct socket;
Trent Jaegerdf718372005-12-13 23:12:27 -0800110struct flowi;
111struct dst_entry;
112struct xfrm_selector;
113struct xfrm_policy;
114struct xfrm_state;
115struct xfrm_user_sec_ctx;
Eric Paris2069f452008-07-04 09:47:13 +1000116struct seq_file;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700117
David Howells6e141542009-12-15 19:27:45 +0000118#ifdef CONFIG_MMU
Eric Parised032182007-06-28 15:55:21 -0400119extern unsigned long mmap_min_addr;
Eric Parisa2551df72009-07-31 12:54:11 -0400120extern unsigned long dac_mmap_min_addr;
David Howells6e141542009-12-15 19:27:45 +0000121#else
Mark Salterbe8cfc42012-09-24 17:17:38 -0700122#define mmap_min_addr 0UL
David Howells6e141542009-12-15 19:27:45 +0000123#define dac_mmap_min_addr 0UL
124#endif
125
Linus Torvalds1da177e2005-04-16 15:20:36 -0700126/*
127 * Values used in the task_security_ops calls
128 */
129/* setuid or setgid, id0 == uid or gid */
130#define LSM_SETID_ID 1
131
132/* setreuid or setregid, id0 == real, id1 == eff */
133#define LSM_SETID_RE 2
134
135/* setresuid or setresgid, id0 == real, id1 == eff, uid2 == saved */
136#define LSM_SETID_RES 4
137
138/* setfsuid or setfsgid, id0 == fsuid or fsgid */
139#define LSM_SETID_FS 8
140
Stephen Smalley791ec492017-02-17 07:57:00 -0500141/* Flags for security_task_prlimit(). */
142#define LSM_PRLIMIT_READ 1
143#define LSM_PRLIMIT_WRITE 2
144
Linus Torvalds1da177e2005-04-16 15:20:36 -0700145/* forward declares to avoid warnings */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700146struct sched_param;
Venkat Yekkirala4237c752006-07-24 23:32:50 -0700147struct request_sock;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700148
David Howellsa6f76f22008-11-14 10:39:24 +1100149/* bprm->unsafe reasons */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700150#define LSM_UNSAFE_SHARE 1
151#define LSM_UNSAFE_PTRACE 2
Eric W. Biederman9227dd22017-01-23 17:26:31 +1300152#define LSM_UNSAFE_NO_NEW_PRIVS 4
Linus Torvalds1da177e2005-04-16 15:20:36 -0700153
David Howells6e141542009-12-15 19:27:45 +0000154#ifdef CONFIG_MMU
Alexey Dobriyan8d65af72009-09-23 15:57:19 -0700155extern int mmap_min_addr_handler(struct ctl_table *table, int write,
Eric Paris47d439e2009-08-07 14:53:57 -0400156 void __user *buffer, size_t *lenp, loff_t *ppos);
David Howells6e141542009-12-15 19:27:45 +0000157#endif
Eric Paris47d439e2009-08-07 14:53:57 -0400158
Mimi Zohar9d8f13b2011-06-06 15:29:25 -0400159/* security_inode_init_security callback function to write xattrs */
160typedef int (*initxattrs) (struct inode *inode,
161 const struct xattr *xattr_array, void *fs_data);
162
Linus Torvalds1da177e2005-04-16 15:20:36 -0700163#ifdef CONFIG_SECURITY
164
Eric Parise0007522008-03-05 10:31:54 -0500165struct security_mnt_opts {
166 char **mnt_opts;
167 int *mnt_opts_flags;
168 int num_mnt_opts;
169};
170
Daniel Jurgens8f408ab2017-05-19 15:48:53 +0300171int call_lsm_notifier(enum lsm_event event, void *data);
172int register_lsm_notifier(struct notifier_block *nb);
173int unregister_lsm_notifier(struct notifier_block *nb);
174
Eric Parise0007522008-03-05 10:31:54 -0500175static inline void security_init_mnt_opts(struct security_mnt_opts *opts)
176{
177 opts->mnt_opts = NULL;
178 opts->mnt_opts_flags = NULL;
179 opts->num_mnt_opts = 0;
180}
181
182static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
183{
184 int i;
185 if (opts->mnt_opts)
Eric Paris7b41b172008-04-23 14:10:25 -0400186 for (i = 0; i < opts->num_mnt_opts; i++)
Eric Parise0007522008-03-05 10:31:54 -0500187 kfree(opts->mnt_opts[i]);
188 kfree(opts->mnt_opts);
189 opts->mnt_opts = NULL;
190 kfree(opts->mnt_opts_flags);
191 opts->mnt_opts_flags = NULL;
192 opts->num_mnt_opts = 0;
193}
194
Linus Torvalds1da177e2005-04-16 15:20:36 -0700195/* prototypes */
Eric Paris7b41b172008-04-23 14:10:25 -0400196extern int security_init(void);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700197
James Morris20510f22007-10-16 23:31:32 -0700198/* Security operations */
Stephen Smalley79af7302015-01-21 10:54:10 -0500199int security_binder_set_context_mgr(struct task_struct *mgr);
200int security_binder_transaction(struct task_struct *from,
201 struct task_struct *to);
202int security_binder_transfer_binder(struct task_struct *from,
203 struct task_struct *to);
204int security_binder_transfer_file(struct task_struct *from,
205 struct task_struct *to, struct file *file);
Ingo Molnar9e488582009-05-07 19:26:19 +1000206int security_ptrace_access_check(struct task_struct *child, unsigned int mode);
David Howells5cd9c582008-08-14 11:37:28 +0100207int security_ptrace_traceme(struct task_struct *parent);
James Morris20510f22007-10-16 23:31:32 -0700208int security_capget(struct task_struct *target,
Eric Paris7b41b172008-04-23 14:10:25 -0400209 kernel_cap_t *effective,
210 kernel_cap_t *inheritable,
211 kernel_cap_t *permitted);
David Howellsd84f4f92008-11-14 10:39:23 +1100212int security_capset(struct cred *new, const struct cred *old,
213 const kernel_cap_t *effective,
214 const kernel_cap_t *inheritable,
215 const kernel_cap_t *permitted);
Eric Parisb7e724d2012-01-03 12:25:15 -0500216int security_capable(const struct cred *cred, struct user_namespace *ns,
Serge E. Hallyn34867402011-03-23 16:43:17 -0700217 int cap);
Eric Parisc7eba4a2012-01-03 12:25:15 -0500218int security_capable_noaudit(const struct cred *cred, struct user_namespace *ns,
219 int cap);
James Morris20510f22007-10-16 23:31:32 -0700220int security_quotactl(int cmds, int type, int id, struct super_block *sb);
221int security_quota_on(struct dentry *dentry);
Eric Paris12b30522010-11-15 18:36:29 -0500222int security_syslog(int type);
Baolin Wang457db292016-04-08 14:02:11 +0800223int security_settime64(const struct timespec64 *ts, const struct timezone *tz);
224static inline int security_settime(const struct timespec *ts, const struct timezone *tz)
225{
226 struct timespec64 ts64 = timespec_to_timespec64(*ts);
227
228 return security_settime64(&ts64, tz);
229}
James Morris20510f22007-10-16 23:31:32 -0700230int security_vm_enough_memory_mm(struct mm_struct *mm, long pages);
David Howellsa6f76f22008-11-14 10:39:24 +1100231int security_bprm_set_creds(struct linux_binprm *bprm);
James Morris20510f22007-10-16 23:31:32 -0700232int security_bprm_check(struct linux_binprm *bprm);
David Howellsa6f76f22008-11-14 10:39:24 +1100233void security_bprm_committing_creds(struct linux_binprm *bprm);
234void security_bprm_committed_creds(struct linux_binprm *bprm);
James Morris20510f22007-10-16 23:31:32 -0700235int security_bprm_secureexec(struct linux_binprm *bprm);
236int security_sb_alloc(struct super_block *sb);
237void security_sb_free(struct super_block *sb);
Eric Parise0007522008-03-05 10:31:54 -0500238int security_sb_copy_data(char *orig, char *copy);
Eric Parisff36fe22011-03-03 16:09:14 -0500239int security_sb_remount(struct super_block *sb, void *data);
James Morris12204e22008-12-19 10:44:42 +1100240int security_sb_kern_mount(struct super_block *sb, int flags, void *data);
Eric Paris2069f452008-07-04 09:47:13 +1000241int security_sb_show_options(struct seq_file *m, struct super_block *sb);
James Morris20510f22007-10-16 23:31:32 -0700242int security_sb_statfs(struct dentry *dentry);
Al Viro8a04c432016-03-25 14:52:53 -0400243int security_sb_mount(const char *dev_name, const struct path *path,
Al Viro808d4e32012-10-11 11:42:01 -0400244 const char *type, unsigned long flags, void *data);
James Morris20510f22007-10-16 23:31:32 -0700245int security_sb_umount(struct vfsmount *mnt, int flags);
Al Viro3b73b682016-03-25 15:31:19 -0400246int security_sb_pivotroot(const struct path *old_path, const struct path *new_path);
David Quigley649f6e72013-05-22 12:50:36 -0400247int security_sb_set_mnt_opts(struct super_block *sb,
248 struct security_mnt_opts *opts,
249 unsigned long kern_flags,
250 unsigned long *set_kern_flags);
Jeff Layton094f7b62013-04-01 08:14:24 -0400251int security_sb_clone_mnt_opts(const struct super_block *oldsb,
Scott Mayhew0b4d3452017-06-05 11:45:04 -0400252 struct super_block *newsb,
253 unsigned long kern_flags,
254 unsigned long *set_kern_flags);
Eric Parise0007522008-03-05 10:31:54 -0500255int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts);
David Quigleyd47be3d2013-05-22 12:50:34 -0400256int security_dentry_init_security(struct dentry *dentry, int mode,
Al Viro4f3ccd72016-07-20 16:06:15 -0400257 const struct qstr *name, void **ctx,
David Quigleyd47be3d2013-05-22 12:50:34 -0400258 u32 *ctxlen);
Vivek Goyal26026252016-07-13 10:44:52 -0400259int security_dentry_create_files_as(struct dentry *dentry, int mode,
260 struct qstr *name,
261 const struct cred *old,
262 struct cred *new);
Eric Parisc9180a52007-11-30 13:00:35 -0500263
James Morris20510f22007-10-16 23:31:32 -0700264int security_inode_alloc(struct inode *inode);
265void security_inode_free(struct inode *inode);
266int security_inode_init_security(struct inode *inode, struct inode *dir,
Mimi Zohar9d8f13b2011-06-06 15:29:25 -0400267 const struct qstr *qstr,
268 initxattrs initxattrs, void *fs_data);
269int security_old_inode_init_security(struct inode *inode, struct inode *dir,
Tetsuo Handa95489062013-07-25 05:44:02 +0900270 const struct qstr *qstr, const char **name,
Mimi Zohar9d8f13b2011-06-06 15:29:25 -0400271 void **value, size_t *len);
Al Viro4acdaf22011-07-26 01:42:34 -0400272int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode);
James Morris20510f22007-10-16 23:31:32 -0700273int security_inode_link(struct dentry *old_dentry, struct inode *dir,
274 struct dentry *new_dentry);
275int security_inode_unlink(struct inode *dir, struct dentry *dentry);
276int security_inode_symlink(struct inode *dir, struct dentry *dentry,
Eric Paris7b41b172008-04-23 14:10:25 -0400277 const char *old_name);
Al Viro18bb1db2011-07-26 01:41:39 -0400278int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode);
James Morris20510f22007-10-16 23:31:32 -0700279int security_inode_rmdir(struct inode *dir, struct dentry *dentry);
Al Viro1a67aaf2011-07-26 01:52:52 -0400280int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev);
James Morris20510f22007-10-16 23:31:32 -0700281int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
Miklos Szeredi0b3974e2014-04-01 17:08:43 +0200282 struct inode *new_dir, struct dentry *new_dentry,
283 unsigned int flags);
James Morris20510f22007-10-16 23:31:32 -0700284int security_inode_readlink(struct dentry *dentry);
NeilBrownbda0be72015-03-23 13:37:39 +1100285int security_inode_follow_link(struct dentry *dentry, struct inode *inode,
286 bool rcu);
Al Virob77b0642008-07-17 09:37:02 -0400287int security_inode_permission(struct inode *inode, int mask);
James Morris20510f22007-10-16 23:31:32 -0700288int security_inode_setattr(struct dentry *dentry, struct iattr *attr);
Al Viro3f7036a2015-03-08 19:28:30 -0400289int security_inode_getattr(const struct path *path);
David Howells8f0cfa52008-04-29 00:59:41 -0700290int security_inode_setxattr(struct dentry *dentry, const char *name,
291 const void *value, size_t size, int flags);
292void security_inode_post_setxattr(struct dentry *dentry, const char *name,
293 const void *value, size_t size, int flags);
294int security_inode_getxattr(struct dentry *dentry, const char *name);
James Morris20510f22007-10-16 23:31:32 -0700295int security_inode_listxattr(struct dentry *dentry);
David Howells8f0cfa52008-04-29 00:59:41 -0700296int security_inode_removexattr(struct dentry *dentry, const char *name);
Serge E. Hallynb5376772007-10-16 23:31:36 -0700297int security_inode_need_killpriv(struct dentry *dentry);
298int security_inode_killpriv(struct dentry *dentry);
Andreas Gruenbacherea861df2015-12-24 11:09:39 -0500299int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc);
James Morris20510f22007-10-16 23:31:32 -0700300int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags);
301int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size);
Andreas Gruenbacherd6335d72015-12-24 11:09:39 -0500302void security_inode_getsecid(struct inode *inode, u32 *secid);
Vivek Goyald8ad8b42016-07-13 11:13:56 -0400303int security_inode_copy_up(struct dentry *src, struct cred **new);
Vivek Goyal121ab822016-07-13 10:44:49 -0400304int security_inode_copy_up_xattr(const char *name);
James Morris20510f22007-10-16 23:31:32 -0700305int security_file_permission(struct file *file, int mask);
306int security_file_alloc(struct file *file);
307void security_file_free(struct file *file);
308int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
Al Viro8b3ec682012-05-30 17:11:23 -0400309int security_mmap_file(struct file *file, unsigned long prot,
310 unsigned long flags);
Al Viroe5467852012-05-30 13:30:51 -0400311int security_mmap_addr(unsigned long addr);
James Morris20510f22007-10-16 23:31:32 -0700312int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
Eric Paris7b41b172008-04-23 14:10:25 -0400313 unsigned long prot);
James Morris20510f22007-10-16 23:31:32 -0700314int security_file_lock(struct file *file, unsigned int cmd);
315int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg);
Jeff Laytone0b93ed2014-08-22 11:27:32 -0400316void security_file_set_fowner(struct file *file);
James Morris20510f22007-10-16 23:31:32 -0700317int security_file_send_sigiotask(struct task_struct *tsk,
Eric Paris7b41b172008-04-23 14:10:25 -0400318 struct fown_struct *fown, int sig);
James Morris20510f22007-10-16 23:31:32 -0700319int security_file_receive(struct file *file);
Eric Paris83d49852012-04-04 13:45:40 -0400320int security_file_open(struct file *file, const struct cred *cred);
Tetsuo Handae4e55b42017-03-24 20:46:33 +0900321int security_task_alloc(struct task_struct *task, unsigned long clone_flags);
Kees Cook1a2a4d02011-12-21 12:17:03 -0800322void security_task_free(struct task_struct *task);
David Howellsee18d642009-09-02 09:14:21 +0100323int security_cred_alloc_blank(struct cred *cred, gfp_t gfp);
David Howellsf1752ee2008-11-14 10:39:17 +1100324void security_cred_free(struct cred *cred);
David Howellsd84f4f92008-11-14 10:39:23 +1100325int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp);
David Howellsee18d642009-09-02 09:14:21 +0100326void security_transfer_creds(struct cred *new, const struct cred *old);
David Howells3a3b7ce2008-11-14 10:39:28 +1100327int security_kernel_act_as(struct cred *new, u32 secid);
328int security_kernel_create_files_as(struct cred *new, struct inode *inode);
Eric Parisdd8dbf22009-11-03 16:35:32 +1100329int security_kernel_module_request(char *kmod_name);
Mimi Zohar39eeb4f2016-01-30 22:23:26 -0500330int security_kernel_read_file(struct file *file, enum kernel_read_file_id id);
Mimi Zoharbc8ca5b2016-01-24 10:07:32 -0500331int security_kernel_post_read_file(struct file *file, char *buf, loff_t size,
332 enum kernel_read_file_id id);
David Howellsd84f4f92008-11-14 10:39:23 +1100333int security_task_fix_setuid(struct cred *new, const struct cred *old,
334 int flags);
James Morris20510f22007-10-16 23:31:32 -0700335int security_task_setpgid(struct task_struct *p, pid_t pgid);
336int security_task_getpgid(struct task_struct *p);
337int security_task_getsid(struct task_struct *p);
338void security_task_getsecid(struct task_struct *p, u32 *secid);
James Morris20510f22007-10-16 23:31:32 -0700339int security_task_setnice(struct task_struct *p, int nice);
340int security_task_setioprio(struct task_struct *p, int ioprio);
341int security_task_getioprio(struct task_struct *p);
Stephen Smalley791ec492017-02-17 07:57:00 -0500342int security_task_prlimit(const struct cred *cred, const struct cred *tcred,
343 unsigned int flags);
Jiri Slaby8fd00b42009-08-26 18:41:16 +0200344int security_task_setrlimit(struct task_struct *p, unsigned int resource,
345 struct rlimit *new_rlim);
KOSAKI Motohirob0ae1982010-10-15 04:21:18 +0900346int security_task_setscheduler(struct task_struct *p);
James Morris20510f22007-10-16 23:31:32 -0700347int security_task_getscheduler(struct task_struct *p);
348int security_task_movememory(struct task_struct *p);
349int security_task_kill(struct task_struct *p, struct siginfo *info,
350 int sig, u32 secid);
James Morris20510f22007-10-16 23:31:32 -0700351int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
David Howellsd84f4f92008-11-14 10:39:23 +1100352 unsigned long arg4, unsigned long arg5);
James Morris20510f22007-10-16 23:31:32 -0700353void security_task_to_inode(struct task_struct *p, struct inode *inode);
354int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag);
Ahmed S. Darwish8a076192008-03-01 21:51:09 +0200355void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid);
James Morris20510f22007-10-16 23:31:32 -0700356int security_msg_msg_alloc(struct msg_msg *msg);
357void security_msg_msg_free(struct msg_msg *msg);
358int security_msg_queue_alloc(struct msg_queue *msq);
359void security_msg_queue_free(struct msg_queue *msq);
360int security_msg_queue_associate(struct msg_queue *msq, int msqflg);
361int security_msg_queue_msgctl(struct msg_queue *msq, int cmd);
362int security_msg_queue_msgsnd(struct msg_queue *msq,
Eric Paris7b41b172008-04-23 14:10:25 -0400363 struct msg_msg *msg, int msqflg);
James Morris20510f22007-10-16 23:31:32 -0700364int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
Eric Paris7b41b172008-04-23 14:10:25 -0400365 struct task_struct *target, long type, int mode);
James Morris20510f22007-10-16 23:31:32 -0700366int security_shm_alloc(struct shmid_kernel *shp);
367void security_shm_free(struct shmid_kernel *shp);
368int security_shm_associate(struct shmid_kernel *shp, int shmflg);
369int security_shm_shmctl(struct shmid_kernel *shp, int cmd);
370int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg);
371int security_sem_alloc(struct sem_array *sma);
372void security_sem_free(struct sem_array *sma);
373int security_sem_associate(struct sem_array *sma, int semflg);
374int security_sem_semctl(struct sem_array *sma, int cmd);
375int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
376 unsigned nsops, int alter);
Eric Paris7b41b172008-04-23 14:10:25 -0400377void security_d_instantiate(struct dentry *dentry, struct inode *inode);
James Morris20510f22007-10-16 23:31:32 -0700378int security_getprocattr(struct task_struct *p, char *name, char **value);
Stephen Smalleyb21507e2017-01-09 10:07:31 -0500379int security_setprocattr(const char *name, void *value, size_t size);
James Morris20510f22007-10-16 23:31:32 -0700380int security_netlink_send(struct sock *sk, struct sk_buff *skb);
David Quigley746df9b2013-05-22 12:50:35 -0400381int security_ismaclabel(const char *name);
James Morris20510f22007-10-16 23:31:32 -0700382int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen);
David Howells7bf570d2008-04-29 20:52:51 +0100383int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid);
James Morris20510f22007-10-16 23:31:32 -0700384void security_release_secctx(char *secdata, u32 seclen);
385
Andreas Gruenbacher6f3be9f2015-12-24 11:09:40 -0500386void security_inode_invalidate_secctx(struct inode *inode);
David P. Quigley1ee65e32009-09-03 14:25:57 -0400387int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen);
388int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen);
389int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700390#else /* CONFIG_SECURITY */
Eric Parise0007522008-03-05 10:31:54 -0500391struct security_mnt_opts {
392};
393
Daniel Jurgens8f408ab2017-05-19 15:48:53 +0300394static inline int call_lsm_notifier(enum lsm_event event, void *data)
395{
396 return 0;
397}
398
399static inline int register_lsm_notifier(struct notifier_block *nb)
400{
401 return 0;
402}
403
404static inline int unregister_lsm_notifier(struct notifier_block *nb)
405{
406 return 0;
407}
408
Eric Parise0007522008-03-05 10:31:54 -0500409static inline void security_init_mnt_opts(struct security_mnt_opts *opts)
410{
411}
412
413static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
414{
415}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700416
417/*
418 * This is the default capabilities functionality. Most of these functions
419 * are just stubbed out, but a few must call the proper capable code.
420 */
421
422static inline int security_init(void)
423{
424 return 0;
425}
426
Stephen Smalley79af7302015-01-21 10:54:10 -0500427static inline int security_binder_set_context_mgr(struct task_struct *mgr)
428{
429 return 0;
430}
431
432static inline int security_binder_transaction(struct task_struct *from,
433 struct task_struct *to)
434{
435 return 0;
436}
437
438static inline int security_binder_transfer_binder(struct task_struct *from,
439 struct task_struct *to)
440{
441 return 0;
442}
443
444static inline int security_binder_transfer_file(struct task_struct *from,
445 struct task_struct *to,
446 struct file *file)
447{
448 return 0;
449}
450
Ingo Molnar9e488582009-05-07 19:26:19 +1000451static inline int security_ptrace_access_check(struct task_struct *child,
David Howells5cd9c582008-08-14 11:37:28 +0100452 unsigned int mode)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700453{
Ingo Molnar9e488582009-05-07 19:26:19 +1000454 return cap_ptrace_access_check(child, mode);
David Howells5cd9c582008-08-14 11:37:28 +0100455}
456
Alexander Beregalov5e186b52008-08-17 05:34:20 +0400457static inline int security_ptrace_traceme(struct task_struct *parent)
David Howells5cd9c582008-08-14 11:37:28 +0100458{
459 return cap_ptrace_traceme(parent);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700460}
461
Eric Paris7b41b172008-04-23 14:10:25 -0400462static inline int security_capget(struct task_struct *target,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700463 kernel_cap_t *effective,
464 kernel_cap_t *inheritable,
465 kernel_cap_t *permitted)
466{
Eric Paris7b41b172008-04-23 14:10:25 -0400467 return cap_capget(target, effective, inheritable, permitted);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700468}
469
David Howellsd84f4f92008-11-14 10:39:23 +1100470static inline int security_capset(struct cred *new,
471 const struct cred *old,
472 const kernel_cap_t *effective,
473 const kernel_cap_t *inheritable,
474 const kernel_cap_t *permitted)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700475{
David Howellsd84f4f92008-11-14 10:39:23 +1100476 return cap_capset(new, old, effective, inheritable, permitted);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700477}
478
Eric Parisb7e724d2012-01-03 12:25:15 -0500479static inline int security_capable(const struct cred *cred,
480 struct user_namespace *ns, int cap)
Chris Wright12b59892006-03-25 03:07:41 -0800481{
Eric Paris6a9de492012-01-03 12:25:14 -0500482 return cap_capable(cred, ns, cap, SECURITY_CAP_AUDIT);
Eric Paris06112162008-11-11 22:02:50 +1100483}
484
Eric Parisc7eba4a2012-01-03 12:25:15 -0500485static inline int security_capable_noaudit(const struct cred *cred,
486 struct user_namespace *ns, int cap) {
487 return cap_capable(cred, ns, cap, SECURITY_CAP_NOAUDIT);
Chris Wright12b59892006-03-25 03:07:41 -0800488}
489
Eric Paris7b41b172008-04-23 14:10:25 -0400490static inline int security_quotactl(int cmds, int type, int id,
491 struct super_block *sb)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700492{
493 return 0;
494}
495
Eric Paris7b41b172008-04-23 14:10:25 -0400496static inline int security_quota_on(struct dentry *dentry)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700497{
498 return 0;
499}
500
Eric Paris12b30522010-11-15 18:36:29 -0500501static inline int security_syslog(int type)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700502{
Eric Paris12b30522010-11-15 18:36:29 -0500503 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700504}
505
Baolin Wang457db292016-04-08 14:02:11 +0800506static inline int security_settime64(const struct timespec64 *ts,
507 const struct timezone *tz)
508{
509 return cap_settime(ts, tz);
510}
511
Richard Cochran1e6d7672011-02-01 13:50:58 +0000512static inline int security_settime(const struct timespec *ts,
513 const struct timezone *tz)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700514{
Baolin Wang457db292016-04-08 14:02:11 +0800515 struct timespec64 ts64 = timespec_to_timespec64(*ts);
516
517 return cap_settime(&ts64, tz);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700518}
519
Alan Cox34b4e4a2007-08-22 14:01:28 -0700520static inline int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
521{
Casey Schauflerb1d9e6b2015-05-02 15:11:42 -0700522 return __vm_enough_memory(mm, pages, cap_vm_enough_memory(mm, pages));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700523}
524
David Howellsa6f76f22008-11-14 10:39:24 +1100525static inline int security_bprm_set_creds(struct linux_binprm *bprm)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700526{
David Howellsa6f76f22008-11-14 10:39:24 +1100527 return cap_bprm_set_creds(bprm);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700528}
529
Eric Paris7b41b172008-04-23 14:10:25 -0400530static inline int security_bprm_check(struct linux_binprm *bprm)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700531{
532 return 0;
533}
534
David Howellsa6f76f22008-11-14 10:39:24 +1100535static inline void security_bprm_committing_creds(struct linux_binprm *bprm)
536{
537}
538
539static inline void security_bprm_committed_creds(struct linux_binprm *bprm)
540{
541}
542
Eric Paris7b41b172008-04-23 14:10:25 -0400543static inline int security_bprm_secureexec(struct linux_binprm *bprm)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700544{
545 return cap_bprm_secureexec(bprm);
546}
547
Eric Paris7b41b172008-04-23 14:10:25 -0400548static inline int security_sb_alloc(struct super_block *sb)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700549{
550 return 0;
551}
552
Eric Paris7b41b172008-04-23 14:10:25 -0400553static inline void security_sb_free(struct super_block *sb)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700554{ }
555
Eric Paris7b41b172008-04-23 14:10:25 -0400556static inline int security_sb_copy_data(char *orig, char *copy)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700557{
558 return 0;
559}
560
Eric Parisff36fe22011-03-03 16:09:14 -0500561static inline int security_sb_remount(struct super_block *sb, void *data)
562{
563 return 0;
564}
565
James Morris12204e22008-12-19 10:44:42 +1100566static inline int security_sb_kern_mount(struct super_block *sb, int flags, void *data)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700567{
568 return 0;
569}
570
Eric Paris2069f452008-07-04 09:47:13 +1000571static inline int security_sb_show_options(struct seq_file *m,
572 struct super_block *sb)
573{
574 return 0;
575}
576
Eric Paris7b41b172008-04-23 14:10:25 -0400577static inline int security_sb_statfs(struct dentry *dentry)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700578{
579 return 0;
580}
581
Al Viro8a04c432016-03-25 14:52:53 -0400582static inline int security_sb_mount(const char *dev_name, const struct path *path,
Al Viro808d4e32012-10-11 11:42:01 -0400583 const char *type, unsigned long flags,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700584 void *data)
585{
586 return 0;
587}
588
Eric Paris7b41b172008-04-23 14:10:25 -0400589static inline int security_sb_umount(struct vfsmount *mnt, int flags)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700590{
591 return 0;
592}
593
Al Viro3b73b682016-03-25 15:31:19 -0400594static inline int security_sb_pivotroot(const struct path *old_path,
595 const struct path *new_path)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700596{
597 return 0;
598}
599
Eric Parise0007522008-03-05 10:31:54 -0500600static inline int security_sb_set_mnt_opts(struct super_block *sb,
David Quigley649f6e72013-05-22 12:50:36 -0400601 struct security_mnt_opts *opts,
602 unsigned long kern_flags,
603 unsigned long *set_kern_flags)
Eric Parise0007522008-03-05 10:31:54 -0500604{
605 return 0;
606}
607
Jeff Layton094f7b62013-04-01 08:14:24 -0400608static inline int security_sb_clone_mnt_opts(const struct super_block *oldsb,
Scott Mayhew0b4d3452017-06-05 11:45:04 -0400609 struct super_block *newsb,
610 unsigned long kern_flags,
611 unsigned long *set_kern_flags)
Jeff Layton094f7b62013-04-01 08:14:24 -0400612{
613 return 0;
614}
Eric Parise0007522008-03-05 10:31:54 -0500615
616static inline int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
617{
618 return 0;
619}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700620
Eric Paris7b41b172008-04-23 14:10:25 -0400621static inline int security_inode_alloc(struct inode *inode)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700622{
623 return 0;
624}
625
Eric Paris7b41b172008-04-23 14:10:25 -0400626static inline void security_inode_free(struct inode *inode)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700627{ }
Stephen Smalley5e41ff92005-09-09 13:01:35 -0700628
David Quigleyd47be3d2013-05-22 12:50:34 -0400629static inline int security_dentry_init_security(struct dentry *dentry,
630 int mode,
Al Viro4f3ccd72016-07-20 16:06:15 -0400631 const struct qstr *name,
David Quigleyd47be3d2013-05-22 12:50:34 -0400632 void **ctx,
633 u32 *ctxlen)
634{
635 return -EOPNOTSUPP;
636}
637
Vivek Goyal26026252016-07-13 10:44:52 -0400638static inline int security_dentry_create_files_as(struct dentry *dentry,
639 int mode, struct qstr *name,
640 const struct cred *old,
641 struct cred *new)
642{
643 return 0;
644}
645
David Quigleyd47be3d2013-05-22 12:50:34 -0400646
Eric Paris7b41b172008-04-23 14:10:25 -0400647static inline int security_inode_init_security(struct inode *inode,
Stephen Smalley5e41ff92005-09-09 13:01:35 -0700648 struct inode *dir,
Eric Paris2a7dba32011-02-01 11:05:39 -0500649 const struct qstr *qstr,
Mark Rustadfbff6612014-08-28 04:43:09 -0700650 const initxattrs xattrs,
Mimi Zohar9d8f13b2011-06-06 15:29:25 -0400651 void *fs_data)
Stephen Smalley5e41ff92005-09-09 13:01:35 -0700652{
Mimi Zohar1e39f382011-08-15 09:09:16 -0400653 return 0;
Stephen Smalley5e41ff92005-09-09 13:01:35 -0700654}
Eric Paris7b41b172008-04-23 14:10:25 -0400655
Mimi Zohar1e39f382011-08-15 09:09:16 -0400656static inline int security_old_inode_init_security(struct inode *inode,
657 struct inode *dir,
658 const struct qstr *qstr,
Tetsuo Handa95489062013-07-25 05:44:02 +0900659 const char **name,
660 void **value, size_t *len)
Mimi Zohare1c9b232011-08-11 00:22:51 -0400661{
Jan Kara30e05322012-01-03 13:14:29 +0100662 return -EOPNOTSUPP;
Mimi Zohare1c9b232011-08-11 00:22:51 -0400663}
664
Eric Paris7b41b172008-04-23 14:10:25 -0400665static inline int security_inode_create(struct inode *dir,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700666 struct dentry *dentry,
Al Viro4acdaf22011-07-26 01:42:34 -0400667 umode_t mode)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700668{
669 return 0;
670}
671
Eric Paris7b41b172008-04-23 14:10:25 -0400672static inline int security_inode_link(struct dentry *old_dentry,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700673 struct inode *dir,
674 struct dentry *new_dentry)
675{
676 return 0;
677}
678
Eric Paris7b41b172008-04-23 14:10:25 -0400679static inline int security_inode_unlink(struct inode *dir,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700680 struct dentry *dentry)
681{
682 return 0;
683}
684
Eric Paris7b41b172008-04-23 14:10:25 -0400685static inline int security_inode_symlink(struct inode *dir,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700686 struct dentry *dentry,
687 const char *old_name)
688{
689 return 0;
690}
691
Eric Paris7b41b172008-04-23 14:10:25 -0400692static inline int security_inode_mkdir(struct inode *dir,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700693 struct dentry *dentry,
694 int mode)
695{
696 return 0;
697}
698
Eric Paris7b41b172008-04-23 14:10:25 -0400699static inline int security_inode_rmdir(struct inode *dir,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700700 struct dentry *dentry)
701{
702 return 0;
703}
704
Eric Paris7b41b172008-04-23 14:10:25 -0400705static inline int security_inode_mknod(struct inode *dir,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700706 struct dentry *dentry,
707 int mode, dev_t dev)
708{
709 return 0;
710}
711
Eric Paris7b41b172008-04-23 14:10:25 -0400712static inline int security_inode_rename(struct inode *old_dir,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700713 struct dentry *old_dentry,
714 struct inode *new_dir,
Miklos Szeredi0b3974e2014-04-01 17:08:43 +0200715 struct dentry *new_dentry,
716 unsigned int flags)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700717{
718 return 0;
719}
720
Eric Paris7b41b172008-04-23 14:10:25 -0400721static inline int security_inode_readlink(struct dentry *dentry)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700722{
723 return 0;
724}
725
NeilBrownbda0be72015-03-23 13:37:39 +1100726static inline int security_inode_follow_link(struct dentry *dentry,
727 struct inode *inode,
728 bool rcu)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700729{
730 return 0;
731}
732
Al Virob77b0642008-07-17 09:37:02 -0400733static inline int security_inode_permission(struct inode *inode, int mask)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700734{
735 return 0;
736}
737
Eric Paris7b41b172008-04-23 14:10:25 -0400738static inline int security_inode_setattr(struct dentry *dentry,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700739 struct iattr *attr)
740{
741 return 0;
742}
743
Al Viro3f7036a2015-03-08 19:28:30 -0400744static inline int security_inode_getattr(const struct path *path)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700745{
746 return 0;
747}
748
David Howells8f0cfa52008-04-29 00:59:41 -0700749static inline int security_inode_setxattr(struct dentry *dentry,
750 const char *name, const void *value, size_t size, int flags)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700751{
752 return cap_inode_setxattr(dentry, name, value, size, flags);
753}
754
David Howells8f0cfa52008-04-29 00:59:41 -0700755static inline void security_inode_post_setxattr(struct dentry *dentry,
756 const char *name, const void *value, size_t size, int flags)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700757{ }
758
David Howells8f0cfa52008-04-29 00:59:41 -0700759static inline int security_inode_getxattr(struct dentry *dentry,
760 const char *name)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700761{
762 return 0;
763}
764
Eric Paris7b41b172008-04-23 14:10:25 -0400765static inline int security_inode_listxattr(struct dentry *dentry)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700766{
767 return 0;
768}
769
David Howells8f0cfa52008-04-29 00:59:41 -0700770static inline int security_inode_removexattr(struct dentry *dentry,
771 const char *name)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700772{
773 return cap_inode_removexattr(dentry, name);
774}
775
Serge E. Hallynb5376772007-10-16 23:31:36 -0700776static inline int security_inode_need_killpriv(struct dentry *dentry)
777{
778 return cap_inode_need_killpriv(dentry);
779}
780
781static inline int security_inode_killpriv(struct dentry *dentry)
782{
783 return cap_inode_killpriv(dentry);
784}
785
Andreas Gruenbacherea861df2015-12-24 11:09:39 -0500786static inline int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700787{
788 return -EOPNOTSUPP;
789}
790
791static inline int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
792{
793 return -EOPNOTSUPP;
794}
795
796static inline int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
797{
798 return 0;
799}
800
Andreas Gruenbacherd6335d72015-12-24 11:09:39 -0500801static inline void security_inode_getsecid(struct inode *inode, u32 *secid)
Ahmed S. Darwish8a076192008-03-01 21:51:09 +0200802{
803 *secid = 0;
804}
805
Vivek Goyald8ad8b42016-07-13 11:13:56 -0400806static inline int security_inode_copy_up(struct dentry *src, struct cred **new)
807{
808 return 0;
809}
810
Vivek Goyal121ab822016-07-13 10:44:49 -0400811static inline int security_inode_copy_up_xattr(const char *name)
812{
813 return -EOPNOTSUPP;
814}
815
Eric Paris7b41b172008-04-23 14:10:25 -0400816static inline int security_file_permission(struct file *file, int mask)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700817{
818 return 0;
819}
820
Eric Paris7b41b172008-04-23 14:10:25 -0400821static inline int security_file_alloc(struct file *file)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700822{
823 return 0;
824}
825
Eric Paris7b41b172008-04-23 14:10:25 -0400826static inline void security_file_free(struct file *file)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700827{ }
828
Eric Paris7b41b172008-04-23 14:10:25 -0400829static inline int security_file_ioctl(struct file *file, unsigned int cmd,
830 unsigned long arg)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700831{
832 return 0;
833}
834
Al Viro8b3ec682012-05-30 17:11:23 -0400835static inline int security_mmap_file(struct file *file, unsigned long prot,
Al Viroe5467852012-05-30 13:30:51 -0400836 unsigned long flags)
837{
838 return 0;
839}
840
841static inline int security_mmap_addr(unsigned long addr)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700842{
Al Virod0077942012-05-30 13:11:37 -0400843 return cap_mmap_addr(addr);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700844}
845
Eric Paris7b41b172008-04-23 14:10:25 -0400846static inline int security_file_mprotect(struct vm_area_struct *vma,
847 unsigned long reqprot,
848 unsigned long prot)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700849{
850 return 0;
851}
852
Eric Paris7b41b172008-04-23 14:10:25 -0400853static inline int security_file_lock(struct file *file, unsigned int cmd)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700854{
855 return 0;
856}
857
Eric Paris7b41b172008-04-23 14:10:25 -0400858static inline int security_file_fcntl(struct file *file, unsigned int cmd,
859 unsigned long arg)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700860{
861 return 0;
862}
863
Jeff Laytone0b93ed2014-08-22 11:27:32 -0400864static inline void security_file_set_fowner(struct file *file)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700865{
Jeff Laytone0b93ed2014-08-22 11:27:32 -0400866 return;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700867}
868
Eric Paris7b41b172008-04-23 14:10:25 -0400869static inline int security_file_send_sigiotask(struct task_struct *tsk,
870 struct fown_struct *fown,
871 int sig)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700872{
873 return 0;
874}
875
Eric Paris7b41b172008-04-23 14:10:25 -0400876static inline int security_file_receive(struct file *file)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700877{
878 return 0;
879}
880
Eric Paris83d49852012-04-04 13:45:40 -0400881static inline int security_file_open(struct file *file,
882 const struct cred *cred)
Yuichi Nakamura788e7dd2007-09-14 09:27:07 +0900883{
884 return 0;
885}
886
Tetsuo Handae4e55b42017-03-24 20:46:33 +0900887static inline int security_task_alloc(struct task_struct *task,
888 unsigned long clone_flags)
889{
890 return 0;
891}
892
Kees Cook1a2a4d02011-12-21 12:17:03 -0800893static inline void security_task_free(struct task_struct *task)
894{ }
895
David Howells945af7c2009-09-04 09:19:48 +0100896static inline int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
897{
898 return 0;
899}
David Howellsee18d642009-09-02 09:14:21 +0100900
David Howellsd84f4f92008-11-14 10:39:23 +1100901static inline void security_cred_free(struct cred *cred)
902{ }
903
904static inline int security_prepare_creds(struct cred *new,
905 const struct cred *old,
906 gfp_t gfp)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700907{
908 return 0;
909}
910
David Howellsee18d642009-09-02 09:14:21 +0100911static inline void security_transfer_creds(struct cred *new,
912 const struct cred *old)
913{
914}
915
David Howells3a3b7ce2008-11-14 10:39:28 +1100916static inline int security_kernel_act_as(struct cred *cred, u32 secid)
917{
918 return 0;
919}
920
921static inline int security_kernel_create_files_as(struct cred *cred,
922 struct inode *inode)
923{
924 return 0;
925}
926
Eric Parisdd8dbf22009-11-03 16:35:32 +1100927static inline int security_kernel_module_request(char *kmod_name)
Eric Paris91884992009-08-13 09:44:57 -0400928{
929 return 0;
930}
931
Mimi Zohar39eeb4f2016-01-30 22:23:26 -0500932static inline int security_kernel_read_file(struct file *file,
933 enum kernel_read_file_id id)
934{
935 return 0;
936}
937
Mimi Zoharb44a7df2015-12-28 16:02:29 -0500938static inline int security_kernel_post_read_file(struct file *file,
Mimi Zoharbc8ca5b2016-01-24 10:07:32 -0500939 char *buf, loff_t size,
940 enum kernel_read_file_id id)
Mimi Zoharb44a7df2015-12-28 16:02:29 -0500941{
942 return 0;
943}
944
David Howellsd84f4f92008-11-14 10:39:23 +1100945static inline int security_task_fix_setuid(struct cred *new,
946 const struct cred *old,
947 int flags)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700948{
David Howellsd84f4f92008-11-14 10:39:23 +1100949 return cap_task_fix_setuid(new, old, flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700950}
951
Eric Paris7b41b172008-04-23 14:10:25 -0400952static inline int security_task_setpgid(struct task_struct *p, pid_t pgid)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700953{
954 return 0;
955}
956
Eric Paris7b41b172008-04-23 14:10:25 -0400957static inline int security_task_getpgid(struct task_struct *p)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700958{
959 return 0;
960}
961
Eric Paris7b41b172008-04-23 14:10:25 -0400962static inline int security_task_getsid(struct task_struct *p)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700963{
964 return 0;
965}
966
Eric Paris7b41b172008-04-23 14:10:25 -0400967static inline void security_task_getsecid(struct task_struct *p, u32 *secid)
Ahmed S. Darwish8a076192008-03-01 21:51:09 +0200968{
969 *secid = 0;
970}
David Quigleyf9008e4c2006-06-30 01:55:46 -0700971
Eric Paris7b41b172008-04-23 14:10:25 -0400972static inline int security_task_setnice(struct task_struct *p, int nice)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700973{
Serge E. Hallynb5376772007-10-16 23:31:36 -0700974 return cap_task_setnice(p, nice);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700975}
976
Eric Paris7b41b172008-04-23 14:10:25 -0400977static inline int security_task_setioprio(struct task_struct *p, int ioprio)
James Morris03e68062006-06-23 02:03:58 -0700978{
Serge E. Hallynb5376772007-10-16 23:31:36 -0700979 return cap_task_setioprio(p, ioprio);
James Morris03e68062006-06-23 02:03:58 -0700980}
981
Eric Paris7b41b172008-04-23 14:10:25 -0400982static inline int security_task_getioprio(struct task_struct *p)
David Quigleya1836a42006-06-30 01:55:49 -0700983{
984 return 0;
985}
986
Stephen Smalley791ec492017-02-17 07:57:00 -0500987static inline int security_task_prlimit(const struct cred *cred,
988 const struct cred *tcred,
989 unsigned int flags)
990{
991 return 0;
992}
993
Jiri Slaby8fd00b42009-08-26 18:41:16 +0200994static inline int security_task_setrlimit(struct task_struct *p,
995 unsigned int resource,
Eric Paris7b41b172008-04-23 14:10:25 -0400996 struct rlimit *new_rlim)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700997{
998 return 0;
999}
1000
KOSAKI Motohirob0ae1982010-10-15 04:21:18 +09001001static inline int security_task_setscheduler(struct task_struct *p)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001002{
KOSAKI Motohirob0ae1982010-10-15 04:21:18 +09001003 return cap_task_setscheduler(p);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001004}
1005
Eric Paris7b41b172008-04-23 14:10:25 -04001006static inline int security_task_getscheduler(struct task_struct *p)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001007{
1008 return 0;
1009}
1010
Eric Paris7b41b172008-04-23 14:10:25 -04001011static inline int security_task_movememory(struct task_struct *p)
David Quigley35601542006-06-23 02:04:01 -07001012{
1013 return 0;
1014}
1015
Eric Paris7b41b172008-04-23 14:10:25 -04001016static inline int security_task_kill(struct task_struct *p,
1017 struct siginfo *info, int sig,
1018 u32 secid)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001019{
Serge Hallynaedb60a2008-02-29 15:14:57 +00001020 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001021}
1022
Eric Paris7b41b172008-04-23 14:10:25 -04001023static inline int security_task_prctl(int option, unsigned long arg2,
1024 unsigned long arg3,
1025 unsigned long arg4,
David Howellsd84f4f92008-11-14 10:39:23 +11001026 unsigned long arg5)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001027{
Jann Hornb7f76ea2015-09-18 23:41:23 +02001028 return cap_task_prctl(option, arg2, arg3, arg4, arg5);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001029}
1030
1031static inline void security_task_to_inode(struct task_struct *p, struct inode *inode)
1032{ }
1033
Eric Paris7b41b172008-04-23 14:10:25 -04001034static inline int security_ipc_permission(struct kern_ipc_perm *ipcp,
1035 short flag)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001036{
1037 return 0;
1038}
1039
Ahmed S. Darwish8a076192008-03-01 21:51:09 +02001040static inline void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
1041{
1042 *secid = 0;
1043}
1044
Eric Paris7b41b172008-04-23 14:10:25 -04001045static inline int security_msg_msg_alloc(struct msg_msg *msg)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001046{
1047 return 0;
1048}
1049
Eric Paris7b41b172008-04-23 14:10:25 -04001050static inline void security_msg_msg_free(struct msg_msg *msg)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001051{ }
1052
Eric Paris7b41b172008-04-23 14:10:25 -04001053static inline int security_msg_queue_alloc(struct msg_queue *msq)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001054{
1055 return 0;
1056}
1057
Eric Paris7b41b172008-04-23 14:10:25 -04001058static inline void security_msg_queue_free(struct msg_queue *msq)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001059{ }
1060
Eric Paris7b41b172008-04-23 14:10:25 -04001061static inline int security_msg_queue_associate(struct msg_queue *msq,
1062 int msqflg)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001063{
1064 return 0;
1065}
1066
Eric Paris7b41b172008-04-23 14:10:25 -04001067static inline int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001068{
1069 return 0;
1070}
1071
Eric Paris7b41b172008-04-23 14:10:25 -04001072static inline int security_msg_queue_msgsnd(struct msg_queue *msq,
1073 struct msg_msg *msg, int msqflg)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001074{
1075 return 0;
1076}
1077
Eric Paris7b41b172008-04-23 14:10:25 -04001078static inline int security_msg_queue_msgrcv(struct msg_queue *msq,
1079 struct msg_msg *msg,
1080 struct task_struct *target,
1081 long type, int mode)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001082{
1083 return 0;
1084}
1085
Eric Paris7b41b172008-04-23 14:10:25 -04001086static inline int security_shm_alloc(struct shmid_kernel *shp)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001087{
1088 return 0;
1089}
1090
Eric Paris7b41b172008-04-23 14:10:25 -04001091static inline void security_shm_free(struct shmid_kernel *shp)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001092{ }
1093
Eric Paris7b41b172008-04-23 14:10:25 -04001094static inline int security_shm_associate(struct shmid_kernel *shp,
1095 int shmflg)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001096{
1097 return 0;
1098}
1099
Eric Paris7b41b172008-04-23 14:10:25 -04001100static inline int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001101{
1102 return 0;
1103}
1104
Eric Paris7b41b172008-04-23 14:10:25 -04001105static inline int security_shm_shmat(struct shmid_kernel *shp,
1106 char __user *shmaddr, int shmflg)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001107{
1108 return 0;
1109}
1110
Eric Paris7b41b172008-04-23 14:10:25 -04001111static inline int security_sem_alloc(struct sem_array *sma)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001112{
1113 return 0;
1114}
1115
Eric Paris7b41b172008-04-23 14:10:25 -04001116static inline void security_sem_free(struct sem_array *sma)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001117{ }
1118
Eric Paris7b41b172008-04-23 14:10:25 -04001119static inline int security_sem_associate(struct sem_array *sma, int semflg)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001120{
1121 return 0;
1122}
1123
Eric Paris7b41b172008-04-23 14:10:25 -04001124static inline int security_sem_semctl(struct sem_array *sma, int cmd)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001125{
1126 return 0;
1127}
1128
Eric Paris7b41b172008-04-23 14:10:25 -04001129static inline int security_sem_semop(struct sem_array *sma,
1130 struct sembuf *sops, unsigned nsops,
1131 int alter)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001132{
1133 return 0;
1134}
1135
Eric Paris7b41b172008-04-23 14:10:25 -04001136static inline void security_d_instantiate(struct dentry *dentry, struct inode *inode)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001137{ }
1138
Al Viro04ff9702007-03-12 16:17:58 +00001139static inline int security_getprocattr(struct task_struct *p, char *name, char **value)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001140{
1141 return -EINVAL;
1142}
1143
Stephen Smalleyb21507e2017-01-09 10:07:31 -05001144static inline int security_setprocattr(char *name, void *value, size_t size)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001145{
1146 return -EINVAL;
1147}
1148
Eric Paris7b41b172008-04-23 14:10:25 -04001149static inline int security_netlink_send(struct sock *sk, struct sk_buff *skb)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001150{
Casey Schauflerb1d9e6b2015-05-02 15:11:42 -07001151 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001152}
1153
David Quigley746df9b2013-05-22 12:50:35 -04001154static inline int security_ismaclabel(const char *name)
1155{
1156 return 0;
1157}
1158
Catherine Zhangdc49c1f2006-08-02 14:12:06 -07001159static inline int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
1160{
1161 return -EOPNOTSUPP;
1162}
1163
David Howells7bf570d2008-04-29 20:52:51 +01001164static inline int security_secctx_to_secid(const char *secdata,
David Howells63cb3442008-01-15 23:47:35 +00001165 u32 seclen,
1166 u32 *secid)
1167{
1168 return -EOPNOTSUPP;
1169}
1170
Catherine Zhangdc49c1f2006-08-02 14:12:06 -07001171static inline void security_release_secctx(char *secdata, u32 seclen)
1172{
Catherine Zhangdc49c1f2006-08-02 14:12:06 -07001173}
David P. Quigley1ee65e32009-09-03 14:25:57 -04001174
Andreas Gruenbacher6f3be9f2015-12-24 11:09:40 -05001175static inline void security_inode_invalidate_secctx(struct inode *inode)
1176{
1177}
1178
David P. Quigley1ee65e32009-09-03 14:25:57 -04001179static inline int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
1180{
1181 return -EOPNOTSUPP;
1182}
1183static inline int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
1184{
1185 return -EOPNOTSUPP;
1186}
1187static inline int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
1188{
1189 return -EOPNOTSUPP;
1190}
Linus Torvalds1da177e2005-04-16 15:20:36 -07001191#endif /* CONFIG_SECURITY */
1192
1193#ifdef CONFIG_SECURITY_NETWORK
Linus Torvalds1da177e2005-04-16 15:20:36 -07001194
David S. Miller3610cda2011-01-05 15:38:53 -08001195int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk);
James Morris20510f22007-10-16 23:31:32 -07001196int security_unix_may_send(struct socket *sock, struct socket *other);
1197int security_socket_create(int family, int type, int protocol, int kern);
1198int security_socket_post_create(struct socket *sock, int family,
1199 int type, int protocol, int kern);
1200int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen);
1201int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen);
1202int security_socket_listen(struct socket *sock, int backlog);
1203int security_socket_accept(struct socket *sock, struct socket *newsock);
James Morris20510f22007-10-16 23:31:32 -07001204int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size);
1205int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1206 int size, int flags);
1207int security_socket_getsockname(struct socket *sock);
1208int security_socket_getpeername(struct socket *sock);
1209int security_socket_getsockopt(struct socket *sock, int level, int optname);
1210int security_socket_setsockopt(struct socket *sock, int level, int optname);
1211int security_socket_shutdown(struct socket *sock, int how);
1212int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb);
1213int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1214 int __user *optlen, unsigned len);
1215int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid);
1216int security_sk_alloc(struct sock *sk, int family, gfp_t priority);
1217void security_sk_free(struct sock *sk);
1218void security_sk_clone(const struct sock *sk, struct sock *newsk);
1219void security_sk_classify_flow(struct sock *sk, struct flowi *fl);
1220void security_req_classify_flow(const struct request_sock *req, struct flowi *fl);
1221void security_sock_graft(struct sock*sk, struct socket *parent);
1222int security_inet_conn_request(struct sock *sk,
1223 struct sk_buff *skb, struct request_sock *req);
1224void security_inet_csk_clone(struct sock *newsk,
1225 const struct request_sock *req);
1226void security_inet_conn_established(struct sock *sk,
1227 struct sk_buff *skb);
Eric Paris2606fd12010-10-13 16:24:41 -04001228int security_secmark_relabel_packet(u32 secid);
1229void security_secmark_refcount_inc(void);
1230void security_secmark_refcount_dec(void);
Paul Moore5dbbaf22013-01-14 07:12:19 +00001231int security_tun_dev_alloc_security(void **security);
1232void security_tun_dev_free_security(void *security);
Paul Moore2b980db2009-08-28 18:12:43 -04001233int security_tun_dev_create(void);
Paul Moore5dbbaf22013-01-14 07:12:19 +00001234int security_tun_dev_attach_queue(void *security);
1235int security_tun_dev_attach(struct sock *sk, void *security);
1236int security_tun_dev_open(void *security);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001237
Linus Torvalds1da177e2005-04-16 15:20:36 -07001238#else /* CONFIG_SECURITY_NETWORK */
David S. Miller3610cda2011-01-05 15:38:53 -08001239static inline int security_unix_stream_connect(struct sock *sock,
1240 struct sock *other,
Eric Paris7b41b172008-04-23 14:10:25 -04001241 struct sock *newsk)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001242{
1243 return 0;
1244}
1245
Eric Paris7b41b172008-04-23 14:10:25 -04001246static inline int security_unix_may_send(struct socket *sock,
1247 struct socket *other)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001248{
1249 return 0;
1250}
1251
Eric Paris7b41b172008-04-23 14:10:25 -04001252static inline int security_socket_create(int family, int type,
1253 int protocol, int kern)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001254{
1255 return 0;
1256}
1257
Eric Paris7b41b172008-04-23 14:10:25 -04001258static inline int security_socket_post_create(struct socket *sock,
Venkat Yekkirala7420ed22006-08-04 23:17:57 -07001259 int family,
1260 int type,
1261 int protocol, int kern)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001262{
Venkat Yekkirala7420ed22006-08-04 23:17:57 -07001263 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001264}
1265
Eric Paris7b41b172008-04-23 14:10:25 -04001266static inline int security_socket_bind(struct socket *sock,
1267 struct sockaddr *address,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001268 int addrlen)
1269{
1270 return 0;
1271}
1272
Eric Paris7b41b172008-04-23 14:10:25 -04001273static inline int security_socket_connect(struct socket *sock,
1274 struct sockaddr *address,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001275 int addrlen)
1276{
1277 return 0;
1278}
1279
Eric Paris7b41b172008-04-23 14:10:25 -04001280static inline int security_socket_listen(struct socket *sock, int backlog)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001281{
1282 return 0;
1283}
1284
Eric Paris7b41b172008-04-23 14:10:25 -04001285static inline int security_socket_accept(struct socket *sock,
1286 struct socket *newsock)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001287{
1288 return 0;
1289}
1290
Eric Paris7b41b172008-04-23 14:10:25 -04001291static inline int security_socket_sendmsg(struct socket *sock,
1292 struct msghdr *msg, int size)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001293{
1294 return 0;
1295}
1296
Eric Paris7b41b172008-04-23 14:10:25 -04001297static inline int security_socket_recvmsg(struct socket *sock,
1298 struct msghdr *msg, int size,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001299 int flags)
1300{
1301 return 0;
1302}
1303
Eric Paris7b41b172008-04-23 14:10:25 -04001304static inline int security_socket_getsockname(struct socket *sock)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001305{
1306 return 0;
1307}
1308
Eric Paris7b41b172008-04-23 14:10:25 -04001309static inline int security_socket_getpeername(struct socket *sock)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001310{
1311 return 0;
1312}
1313
Eric Paris7b41b172008-04-23 14:10:25 -04001314static inline int security_socket_getsockopt(struct socket *sock,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001315 int level, int optname)
1316{
1317 return 0;
1318}
1319
Eric Paris7b41b172008-04-23 14:10:25 -04001320static inline int security_socket_setsockopt(struct socket *sock,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001321 int level, int optname)
1322{
1323 return 0;
1324}
1325
Eric Paris7b41b172008-04-23 14:10:25 -04001326static inline int security_socket_shutdown(struct socket *sock, int how)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001327{
1328 return 0;
1329}
Eric Paris7b41b172008-04-23 14:10:25 -04001330static inline int security_sock_rcv_skb(struct sock *sk,
1331 struct sk_buff *skb)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001332{
1333 return 0;
1334}
1335
Catherine Zhang2c7946a2006-03-20 22:41:23 -08001336static inline int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1337 int __user *optlen, unsigned len)
1338{
1339 return -ENOPROTOOPT;
1340}
1341
Catherine Zhangdc49c1f2006-08-02 14:12:06 -07001342static inline int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001343{
1344 return -ENOPROTOOPT;
1345}
1346
Al Virodd0fc662005-10-07 07:46:04 +01001347static inline int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001348{
1349 return 0;
1350}
1351
1352static inline void security_sk_free(struct sock *sk)
1353{
1354}
Trent Jaegerdf718372005-12-13 23:12:27 -08001355
Venkat Yekkirala892c1412006-08-04 23:08:56 -07001356static inline void security_sk_clone(const struct sock *sk, struct sock *newsk)
1357{
1358}
1359
Venkat Yekkiralabeb8d132006-08-04 23:12:42 -07001360static inline void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
Trent Jaegerdf718372005-12-13 23:12:27 -08001361{
Trent Jaegerdf718372005-12-13 23:12:27 -08001362}
Venkat Yekkirala4237c752006-07-24 23:32:50 -07001363
1364static inline void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1365{
1366}
1367
Eric Paris7b41b172008-04-23 14:10:25 -04001368static inline void security_sock_graft(struct sock *sk, struct socket *parent)
Venkat Yekkirala4237c752006-07-24 23:32:50 -07001369{
1370}
1371
1372static inline int security_inet_conn_request(struct sock *sk,
1373 struct sk_buff *skb, struct request_sock *req)
1374{
1375 return 0;
1376}
1377
1378static inline void security_inet_csk_clone(struct sock *newsk,
1379 const struct request_sock *req)
1380{
1381}
Venkat Yekkirala6b877692006-11-08 17:04:09 -06001382
1383static inline void security_inet_conn_established(struct sock *sk,
1384 struct sk_buff *skb)
1385{
1386}
Paul Moore2b980db2009-08-28 18:12:43 -04001387
Eric Paris2606fd12010-10-13 16:24:41 -04001388static inline int security_secmark_relabel_packet(u32 secid)
1389{
1390 return 0;
1391}
1392
1393static inline void security_secmark_refcount_inc(void)
1394{
1395}
1396
1397static inline void security_secmark_refcount_dec(void)
1398{
1399}
1400
Paul Moore5dbbaf22013-01-14 07:12:19 +00001401static inline int security_tun_dev_alloc_security(void **security)
1402{
1403 return 0;
1404}
1405
1406static inline void security_tun_dev_free_security(void *security)
1407{
1408}
1409
Paul Moore2b980db2009-08-28 18:12:43 -04001410static inline int security_tun_dev_create(void)
1411{
1412 return 0;
1413}
1414
Paul Moore5dbbaf22013-01-14 07:12:19 +00001415static inline int security_tun_dev_attach_queue(void *security)
Paul Moore2b980db2009-08-28 18:12:43 -04001416{
Paul Moore5dbbaf22013-01-14 07:12:19 +00001417 return 0;
Paul Moore2b980db2009-08-28 18:12:43 -04001418}
1419
Paul Moore5dbbaf22013-01-14 07:12:19 +00001420static inline int security_tun_dev_attach(struct sock *sk, void *security)
1421{
1422 return 0;
1423}
1424
1425static inline int security_tun_dev_open(void *security)
Paul Moore2b980db2009-08-28 18:12:43 -04001426{
1427 return 0;
1428}
Linus Torvalds1da177e2005-04-16 15:20:36 -07001429#endif /* CONFIG_SECURITY_NETWORK */
1430
Daniel Jurgensd291f1a2017-05-19 15:48:52 +03001431#ifdef CONFIG_SECURITY_INFINIBAND
1432int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey);
Daniel Jurgens47a2b332017-05-19 15:48:54 +03001433int security_ib_endport_manage_subnet(void *sec, const char *name, u8 port_num);
Daniel Jurgensd291f1a2017-05-19 15:48:52 +03001434int security_ib_alloc_security(void **sec);
1435void security_ib_free_security(void *sec);
1436#else /* CONFIG_SECURITY_INFINIBAND */
1437static inline int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey)
1438{
1439 return 0;
1440}
1441
Daniel Jurgens47a2b332017-05-19 15:48:54 +03001442static inline int security_ib_endport_manage_subnet(void *sec, const char *dev_name, u8 port_num)
1443{
1444 return 0;
1445}
1446
Daniel Jurgensd291f1a2017-05-19 15:48:52 +03001447static inline int security_ib_alloc_security(void **sec)
1448{
1449 return 0;
1450}
1451
1452static inline void security_ib_free_security(void *sec)
1453{
1454}
1455#endif /* CONFIG_SECURITY_INFINIBAND */
1456
Trent Jaegerdf718372005-12-13 23:12:27 -08001457#ifdef CONFIG_SECURITY_NETWORK_XFRM
Venkat Yekkiralacb969f02006-07-24 23:32:20 -07001458
Nikolay Aleksandrov52a4c642014-03-07 12:44:19 +01001459int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1460 struct xfrm_user_sec_ctx *sec_ctx, gfp_t gfp);
Paul Moore03e1ad72008-04-12 19:07:52 -07001461int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, struct xfrm_sec_ctx **new_ctxp);
1462void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx);
1463int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx);
James Morris20510f22007-10-16 23:31:32 -07001464int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx);
1465int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1466 struct xfrm_sec_ctx *polsec, u32 secid);
1467int security_xfrm_state_delete(struct xfrm_state *x);
1468void security_xfrm_state_free(struct xfrm_state *x);
Paul Moore03e1ad72008-04-12 19:07:52 -07001469int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir);
James Morris20510f22007-10-16 23:31:32 -07001470int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
David S. Millere33f7702011-02-22 18:13:15 -08001471 struct xfrm_policy *xp,
1472 const struct flowi *fl);
James Morris20510f22007-10-16 23:31:32 -07001473int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid);
1474void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl);
Trent Jaegerdf718372005-12-13 23:12:27 -08001475
Trent Jaegerdf718372005-12-13 23:12:27 -08001476#else /* CONFIG_SECURITY_NETWORK_XFRM */
James Morris20510f22007-10-16 23:31:32 -07001477
Nikolay Aleksandrov52a4c642014-03-07 12:44:19 +01001478static inline int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1479 struct xfrm_user_sec_ctx *sec_ctx,
1480 gfp_t gfp)
Trent Jaegerdf718372005-12-13 23:12:27 -08001481{
1482 return 0;
1483}
1484
Paul Moore03e1ad72008-04-12 19:07:52 -07001485static inline int security_xfrm_policy_clone(struct xfrm_sec_ctx *old, struct xfrm_sec_ctx **new_ctxp)
Trent Jaegerdf718372005-12-13 23:12:27 -08001486{
1487 return 0;
1488}
1489
Paul Moore03e1ad72008-04-12 19:07:52 -07001490static inline void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
Trent Jaegerdf718372005-12-13 23:12:27 -08001491{
1492}
1493
Paul Moore03e1ad72008-04-12 19:07:52 -07001494static inline int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
Catherine Zhangc8c05a82006-06-08 23:39:49 -07001495{
1496 return 0;
1497}
1498
Venkat Yekkiralae0d1caa2006-07-24 23:29:07 -07001499static inline int security_xfrm_state_alloc(struct xfrm_state *x,
1500 struct xfrm_user_sec_ctx *sec_ctx)
1501{
1502 return 0;
1503}
1504
1505static inline int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1506 struct xfrm_sec_ctx *polsec, u32 secid)
Trent Jaegerdf718372005-12-13 23:12:27 -08001507{
1508 return 0;
1509}
1510
1511static inline void security_xfrm_state_free(struct xfrm_state *x)
1512{
1513}
1514
David S. Miller6f68dc32006-06-08 23:58:52 -07001515static inline int security_xfrm_state_delete(struct xfrm_state *x)
Catherine Zhangc8c05a82006-06-08 23:39:49 -07001516{
1517 return 0;
1518}
1519
Paul Moore03e1ad72008-04-12 19:07:52 -07001520static inline int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
Trent Jaegerdf718372005-12-13 23:12:27 -08001521{
1522 return 0;
1523}
Venkat Yekkiralae0d1caa2006-07-24 23:29:07 -07001524
1525static inline int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
David S. Millere33f7702011-02-22 18:13:15 -08001526 struct xfrm_policy *xp, const struct flowi *fl)
Venkat Yekkiralae0d1caa2006-07-24 23:29:07 -07001527{
1528 return 1;
1529}
1530
Venkat Yekkiralabeb8d132006-08-04 23:12:42 -07001531static inline int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
Venkat Yekkiralae0d1caa2006-07-24 23:29:07 -07001532{
1533 return 0;
1534}
1535
Venkat Yekkiralabeb8d132006-08-04 23:12:42 -07001536static inline void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1537{
1538}
1539
Trent Jaegerdf718372005-12-13 23:12:27 -08001540#endif /* CONFIG_SECURITY_NETWORK_XFRM */
1541
Kentaro Takedabe6d3e52008-12-17 13:24:15 +09001542#ifdef CONFIG_SECURITY_PATH
Al Viro989f74e2016-03-25 15:13:39 -04001543int security_path_unlink(const struct path *dir, struct dentry *dentry);
Al Virod3607752016-03-25 15:21:09 -04001544int security_path_mkdir(const struct path *dir, struct dentry *dentry, umode_t mode);
Al Viro989f74e2016-03-25 15:13:39 -04001545int security_path_rmdir(const struct path *dir, struct dentry *dentry);
Al Virod3607752016-03-25 15:21:09 -04001546int security_path_mknod(const struct path *dir, struct dentry *dentry, umode_t mode,
Kentaro Takedabe6d3e52008-12-17 13:24:15 +09001547 unsigned int dev);
Al Viro81f4c502016-03-25 14:22:01 -04001548int security_path_truncate(const struct path *path);
Al Virod3607752016-03-25 15:21:09 -04001549int security_path_symlink(const struct path *dir, struct dentry *dentry,
Kentaro Takedabe6d3e52008-12-17 13:24:15 +09001550 const char *old_name);
Al Viro3ccee462016-03-25 15:27:45 -04001551int security_path_link(struct dentry *old_dentry, const struct path *new_dir,
Kentaro Takedabe6d3e52008-12-17 13:24:15 +09001552 struct dentry *new_dentry);
Al Viro3ccee462016-03-25 15:27:45 -04001553int security_path_rename(const struct path *old_dir, struct dentry *old_dentry,
1554 const struct path *new_dir, struct dentry *new_dentry,
Miklos Szeredi0b3974e2014-04-01 17:08:43 +02001555 unsigned int flags);
Al Virobe01f9f2016-03-25 14:56:23 -04001556int security_path_chmod(const struct path *path, umode_t mode);
Al Viro7fd25da2016-03-25 14:44:41 -04001557int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid);
Al Viro77b286c2016-03-25 15:28:43 -04001558int security_path_chroot(const struct path *path);
Kentaro Takedabe6d3e52008-12-17 13:24:15 +09001559#else /* CONFIG_SECURITY_PATH */
Al Viro989f74e2016-03-25 15:13:39 -04001560static inline int security_path_unlink(const struct path *dir, struct dentry *dentry)
Kentaro Takedabe6d3e52008-12-17 13:24:15 +09001561{
1562 return 0;
1563}
1564
Al Virod3607752016-03-25 15:21:09 -04001565static inline int security_path_mkdir(const struct path *dir, struct dentry *dentry,
Al Viro4572bef2011-11-21 14:56:21 -05001566 umode_t mode)
Kentaro Takedabe6d3e52008-12-17 13:24:15 +09001567{
1568 return 0;
1569}
1570
Al Viro989f74e2016-03-25 15:13:39 -04001571static inline int security_path_rmdir(const struct path *dir, struct dentry *dentry)
Kentaro Takedabe6d3e52008-12-17 13:24:15 +09001572{
1573 return 0;
1574}
1575
Al Virod3607752016-03-25 15:21:09 -04001576static inline int security_path_mknod(const struct path *dir, struct dentry *dentry,
Al Viro04fc66e2011-11-21 14:58:38 -05001577 umode_t mode, unsigned int dev)
Kentaro Takedabe6d3e52008-12-17 13:24:15 +09001578{
1579 return 0;
1580}
1581
Al Viro81f4c502016-03-25 14:22:01 -04001582static inline int security_path_truncate(const struct path *path)
Kentaro Takedabe6d3e52008-12-17 13:24:15 +09001583{
1584 return 0;
1585}
1586
Al Virod3607752016-03-25 15:21:09 -04001587static inline int security_path_symlink(const struct path *dir, struct dentry *dentry,
Kentaro Takedabe6d3e52008-12-17 13:24:15 +09001588 const char *old_name)
1589{
1590 return 0;
1591}
1592
1593static inline int security_path_link(struct dentry *old_dentry,
Al Viro3ccee462016-03-25 15:27:45 -04001594 const struct path *new_dir,
Kentaro Takedabe6d3e52008-12-17 13:24:15 +09001595 struct dentry *new_dentry)
1596{
1597 return 0;
1598}
1599
Al Viro3ccee462016-03-25 15:27:45 -04001600static inline int security_path_rename(const struct path *old_dir,
Kentaro Takedabe6d3e52008-12-17 13:24:15 +09001601 struct dentry *old_dentry,
Al Viro3ccee462016-03-25 15:27:45 -04001602 const struct path *new_dir,
Miklos Szeredi0b3974e2014-04-01 17:08:43 +02001603 struct dentry *new_dentry,
1604 unsigned int flags)
Kentaro Takedabe6d3e52008-12-17 13:24:15 +09001605{
1606 return 0;
1607}
Tetsuo Handa89eda062009-10-04 21:49:47 +09001608
Al Virobe01f9f2016-03-25 14:56:23 -04001609static inline int security_path_chmod(const struct path *path, umode_t mode)
Tetsuo Handa89eda062009-10-04 21:49:47 +09001610{
1611 return 0;
1612}
1613
Al Viro7fd25da2016-03-25 14:44:41 -04001614static inline int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid)
Tetsuo Handa89eda062009-10-04 21:49:47 +09001615{
1616 return 0;
1617}
Tetsuo Handa8b8efb42009-10-04 21:49:48 +09001618
Al Viro77b286c2016-03-25 15:28:43 -04001619static inline int security_path_chroot(const struct path *path)
Tetsuo Handa8b8efb42009-10-04 21:49:48 +09001620{
1621 return 0;
1622}
Kentaro Takedabe6d3e52008-12-17 13:24:15 +09001623#endif /* CONFIG_SECURITY_PATH */
1624
David Howells29db9192005-10-30 15:02:44 -08001625#ifdef CONFIG_KEYS
1626#ifdef CONFIG_SECURITY
David Howells29db9192005-10-30 15:02:44 -08001627
David Howellsd84f4f92008-11-14 10:39:23 +11001628int security_key_alloc(struct key *key, const struct cred *cred, unsigned long flags);
James Morris20510f22007-10-16 23:31:32 -07001629void security_key_free(struct key *key);
1630int security_key_permission(key_ref_t key_ref,
David Howellsf5895942014-03-14 17:44:49 +00001631 const struct cred *cred, unsigned perm);
David Howells70a5bb72008-04-29 01:01:26 -07001632int security_key_getsecurity(struct key *key, char **_buffer);
David Howells29db9192005-10-30 15:02:44 -08001633
1634#else
1635
Michael LeMayd7200242006-06-22 14:47:17 -07001636static inline int security_key_alloc(struct key *key,
David Howellsd84f4f92008-11-14 10:39:23 +11001637 const struct cred *cred,
David Howells7e047ef2006-06-26 00:24:50 -07001638 unsigned long flags)
David Howells29db9192005-10-30 15:02:44 -08001639{
1640 return 0;
1641}
1642
1643static inline void security_key_free(struct key *key)
1644{
1645}
1646
1647static inline int security_key_permission(key_ref_t key_ref,
David Howellsd84f4f92008-11-14 10:39:23 +11001648 const struct cred *cred,
David Howellsf5895942014-03-14 17:44:49 +00001649 unsigned perm)
David Howells29db9192005-10-30 15:02:44 -08001650{
1651 return 0;
1652}
1653
David Howells70a5bb72008-04-29 01:01:26 -07001654static inline int security_key_getsecurity(struct key *key, char **_buffer)
1655{
1656 *_buffer = NULL;
1657 return 0;
1658}
1659
David Howells29db9192005-10-30 15:02:44 -08001660#endif
1661#endif /* CONFIG_KEYS */
1662
Ahmed S. Darwish03d37d22008-03-01 22:00:05 +02001663#ifdef CONFIG_AUDIT
1664#ifdef CONFIG_SECURITY
1665int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule);
1666int security_audit_rule_known(struct audit_krule *krule);
1667int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1668 struct audit_context *actx);
1669void security_audit_rule_free(void *lsmrule);
1670
1671#else
1672
1673static inline int security_audit_rule_init(u32 field, u32 op, char *rulestr,
1674 void **lsmrule)
1675{
1676 return 0;
1677}
1678
1679static inline int security_audit_rule_known(struct audit_krule *krule)
1680{
1681 return 0;
1682}
1683
1684static inline int security_audit_rule_match(u32 secid, u32 field, u32 op,
1685 void *lsmrule, struct audit_context *actx)
1686{
1687 return 0;
1688}
1689
1690static inline void security_audit_rule_free(void *lsmrule)
1691{ }
1692
1693#endif /* CONFIG_SECURITY */
1694#endif /* CONFIG_AUDIT */
1695
Eric Parisda318942008-08-22 11:35:57 -04001696#ifdef CONFIG_SECURITYFS
1697
Al Viro52ef0c02011-07-26 04:30:04 -04001698extern struct dentry *securityfs_create_file(const char *name, umode_t mode,
Eric Parisda318942008-08-22 11:35:57 -04001699 struct dentry *parent, void *data,
1700 const struct file_operations *fops);
1701extern struct dentry *securityfs_create_dir(const char *name, struct dentry *parent);
John Johansen6623ec72017-05-07 05:53:37 -07001702struct dentry *securityfs_create_symlink(const char *name,
1703 struct dentry *parent,
1704 const char *target,
1705 const struct inode_operations *iops);
Eric Parisda318942008-08-22 11:35:57 -04001706extern void securityfs_remove(struct dentry *dentry);
1707
1708#else /* CONFIG_SECURITYFS */
1709
1710static inline struct dentry *securityfs_create_dir(const char *name,
1711 struct dentry *parent)
1712{
1713 return ERR_PTR(-ENODEV);
1714}
1715
1716static inline struct dentry *securityfs_create_file(const char *name,
Al Viro52ef0c02011-07-26 04:30:04 -04001717 umode_t mode,
Eric Parisda318942008-08-22 11:35:57 -04001718 struct dentry *parent,
1719 void *data,
1720 const struct file_operations *fops)
1721{
1722 return ERR_PTR(-ENODEV);
1723}
1724
John Johansen6623ec72017-05-07 05:53:37 -07001725static inline struct dentry *securityfs_create_symlink(const char *name,
1726 struct dentry *parent,
1727 const char *target,
1728 const struct inode_operations *iops)
1729{
1730 return ERR_PTR(-ENODEV);
1731}
1732
Eric Parisda318942008-08-22 11:35:57 -04001733static inline void securityfs_remove(struct dentry *dentry)
1734{}
1735
1736#endif
1737
Pekka Enberg3d544f42009-03-24 11:59:23 +02001738#ifdef CONFIG_SECURITY
1739
1740static inline char *alloc_secdata(void)
1741{
1742 return (char *)get_zeroed_page(GFP_KERNEL);
1743}
1744
1745static inline void free_secdata(void *secdata)
1746{
1747 free_page((unsigned long)secdata);
1748}
1749
1750#else
1751
1752static inline char *alloc_secdata(void)
1753{
1754 return (char *)1;
1755}
1756
1757static inline void free_secdata(void *secdata)
1758{ }
1759#endif /* CONFIG_SECURITY */
1760
Linus Torvalds1da177e2005-04-16 15:20:36 -07001761#endif /* ! __LINUX_SECURITY_H */
1762