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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);
James Morris20510f22007-10-16 23:31:32 -0700321int security_task_create(unsigned long clone_flags);
Tetsuo Handae4e55b42017-03-24 20:46:33 +0900322int security_task_alloc(struct task_struct *task, unsigned long clone_flags);
Kees Cook1a2a4d02011-12-21 12:17:03 -0800323void security_task_free(struct task_struct *task);
David Howellsee18d642009-09-02 09:14:21 +0100324int security_cred_alloc_blank(struct cred *cred, gfp_t gfp);
David Howellsf1752ee2008-11-14 10:39:17 +1100325void security_cred_free(struct cred *cred);
David Howellsd84f4f92008-11-14 10:39:23 +1100326int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp);
David Howellsee18d642009-09-02 09:14:21 +0100327void security_transfer_creds(struct cred *new, const struct cred *old);
David Howells3a3b7ce2008-11-14 10:39:28 +1100328int security_kernel_act_as(struct cred *new, u32 secid);
329int security_kernel_create_files_as(struct cred *new, struct inode *inode);
Eric Parisdd8dbf22009-11-03 16:35:32 +1100330int security_kernel_module_request(char *kmod_name);
Mimi Zohar39eeb4f2016-01-30 22:23:26 -0500331int security_kernel_read_file(struct file *file, enum kernel_read_file_id id);
Mimi Zoharbc8ca5b2016-01-24 10:07:32 -0500332int security_kernel_post_read_file(struct file *file, char *buf, loff_t size,
333 enum kernel_read_file_id id);
David Howellsd84f4f92008-11-14 10:39:23 +1100334int security_task_fix_setuid(struct cred *new, const struct cred *old,
335 int flags);
James Morris20510f22007-10-16 23:31:32 -0700336int security_task_setpgid(struct task_struct *p, pid_t pgid);
337int security_task_getpgid(struct task_struct *p);
338int security_task_getsid(struct task_struct *p);
339void security_task_getsecid(struct task_struct *p, u32 *secid);
James Morris20510f22007-10-16 23:31:32 -0700340int security_task_setnice(struct task_struct *p, int nice);
341int security_task_setioprio(struct task_struct *p, int ioprio);
342int security_task_getioprio(struct task_struct *p);
Stephen Smalley791ec492017-02-17 07:57:00 -0500343int security_task_prlimit(const struct cred *cred, const struct cred *tcred,
344 unsigned int flags);
Jiri Slaby8fd00b42009-08-26 18:41:16 +0200345int security_task_setrlimit(struct task_struct *p, unsigned int resource,
346 struct rlimit *new_rlim);
KOSAKI Motohirob0ae1982010-10-15 04:21:18 +0900347int security_task_setscheduler(struct task_struct *p);
James Morris20510f22007-10-16 23:31:32 -0700348int security_task_getscheduler(struct task_struct *p);
349int security_task_movememory(struct task_struct *p);
350int security_task_kill(struct task_struct *p, struct siginfo *info,
351 int sig, u32 secid);
James Morris20510f22007-10-16 23:31:32 -0700352int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
David Howellsd84f4f92008-11-14 10:39:23 +1100353 unsigned long arg4, unsigned long arg5);
James Morris20510f22007-10-16 23:31:32 -0700354void security_task_to_inode(struct task_struct *p, struct inode *inode);
355int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag);
Ahmed S. Darwish8a076192008-03-01 21:51:09 +0200356void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid);
James Morris20510f22007-10-16 23:31:32 -0700357int security_msg_msg_alloc(struct msg_msg *msg);
358void security_msg_msg_free(struct msg_msg *msg);
359int security_msg_queue_alloc(struct msg_queue *msq);
360void security_msg_queue_free(struct msg_queue *msq);
361int security_msg_queue_associate(struct msg_queue *msq, int msqflg);
362int security_msg_queue_msgctl(struct msg_queue *msq, int cmd);
363int security_msg_queue_msgsnd(struct msg_queue *msq,
Eric Paris7b41b172008-04-23 14:10:25 -0400364 struct msg_msg *msg, int msqflg);
James Morris20510f22007-10-16 23:31:32 -0700365int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
Eric Paris7b41b172008-04-23 14:10:25 -0400366 struct task_struct *target, long type, int mode);
James Morris20510f22007-10-16 23:31:32 -0700367int security_shm_alloc(struct shmid_kernel *shp);
368void security_shm_free(struct shmid_kernel *shp);
369int security_shm_associate(struct shmid_kernel *shp, int shmflg);
370int security_shm_shmctl(struct shmid_kernel *shp, int cmd);
371int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg);
372int security_sem_alloc(struct sem_array *sma);
373void security_sem_free(struct sem_array *sma);
374int security_sem_associate(struct sem_array *sma, int semflg);
375int security_sem_semctl(struct sem_array *sma, int cmd);
376int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
377 unsigned nsops, int alter);
Eric Paris7b41b172008-04-23 14:10:25 -0400378void security_d_instantiate(struct dentry *dentry, struct inode *inode);
James Morris20510f22007-10-16 23:31:32 -0700379int security_getprocattr(struct task_struct *p, char *name, char **value);
Stephen Smalleyb21507e2017-01-09 10:07:31 -0500380int security_setprocattr(const char *name, void *value, size_t size);
James Morris20510f22007-10-16 23:31:32 -0700381int security_netlink_send(struct sock *sk, struct sk_buff *skb);
David Quigley746df9b2013-05-22 12:50:35 -0400382int security_ismaclabel(const char *name);
James Morris20510f22007-10-16 23:31:32 -0700383int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen);
David Howells7bf570d2008-04-29 20:52:51 +0100384int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid);
James Morris20510f22007-10-16 23:31:32 -0700385void security_release_secctx(char *secdata, u32 seclen);
386
Andreas Gruenbacher6f3be9f2015-12-24 11:09:40 -0500387void security_inode_invalidate_secctx(struct inode *inode);
David P. Quigley1ee65e32009-09-03 14:25:57 -0400388int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen);
389int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen);
390int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700391#else /* CONFIG_SECURITY */
Eric Parise0007522008-03-05 10:31:54 -0500392struct security_mnt_opts {
393};
394
Daniel Jurgens8f408ab2017-05-19 15:48:53 +0300395static inline int call_lsm_notifier(enum lsm_event event, void *data)
396{
397 return 0;
398}
399
400static inline int register_lsm_notifier(struct notifier_block *nb)
401{
402 return 0;
403}
404
405static inline int unregister_lsm_notifier(struct notifier_block *nb)
406{
407 return 0;
408}
409
Eric Parise0007522008-03-05 10:31:54 -0500410static inline void security_init_mnt_opts(struct security_mnt_opts *opts)
411{
412}
413
414static inline void security_free_mnt_opts(struct security_mnt_opts *opts)
415{
416}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700417
418/*
419 * This is the default capabilities functionality. Most of these functions
420 * are just stubbed out, but a few must call the proper capable code.
421 */
422
423static inline int security_init(void)
424{
425 return 0;
426}
427
Stephen Smalley79af7302015-01-21 10:54:10 -0500428static inline int security_binder_set_context_mgr(struct task_struct *mgr)
429{
430 return 0;
431}
432
433static inline int security_binder_transaction(struct task_struct *from,
434 struct task_struct *to)
435{
436 return 0;
437}
438
439static inline int security_binder_transfer_binder(struct task_struct *from,
440 struct task_struct *to)
441{
442 return 0;
443}
444
445static inline int security_binder_transfer_file(struct task_struct *from,
446 struct task_struct *to,
447 struct file *file)
448{
449 return 0;
450}
451
Ingo Molnar9e488582009-05-07 19:26:19 +1000452static inline int security_ptrace_access_check(struct task_struct *child,
David Howells5cd9c582008-08-14 11:37:28 +0100453 unsigned int mode)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700454{
Ingo Molnar9e488582009-05-07 19:26:19 +1000455 return cap_ptrace_access_check(child, mode);
David Howells5cd9c582008-08-14 11:37:28 +0100456}
457
Alexander Beregalov5e186b52008-08-17 05:34:20 +0400458static inline int security_ptrace_traceme(struct task_struct *parent)
David Howells5cd9c582008-08-14 11:37:28 +0100459{
460 return cap_ptrace_traceme(parent);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700461}
462
Eric Paris7b41b172008-04-23 14:10:25 -0400463static inline int security_capget(struct task_struct *target,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700464 kernel_cap_t *effective,
465 kernel_cap_t *inheritable,
466 kernel_cap_t *permitted)
467{
Eric Paris7b41b172008-04-23 14:10:25 -0400468 return cap_capget(target, effective, inheritable, permitted);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700469}
470
David Howellsd84f4f92008-11-14 10:39:23 +1100471static inline int security_capset(struct cred *new,
472 const struct cred *old,
473 const kernel_cap_t *effective,
474 const kernel_cap_t *inheritable,
475 const kernel_cap_t *permitted)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700476{
David Howellsd84f4f92008-11-14 10:39:23 +1100477 return cap_capset(new, old, effective, inheritable, permitted);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700478}
479
Eric Parisb7e724d2012-01-03 12:25:15 -0500480static inline int security_capable(const struct cred *cred,
481 struct user_namespace *ns, int cap)
Chris Wright12b59892006-03-25 03:07:41 -0800482{
Eric Paris6a9de492012-01-03 12:25:14 -0500483 return cap_capable(cred, ns, cap, SECURITY_CAP_AUDIT);
Eric Paris06112162008-11-11 22:02:50 +1100484}
485
Eric Parisc7eba4a2012-01-03 12:25:15 -0500486static inline int security_capable_noaudit(const struct cred *cred,
487 struct user_namespace *ns, int cap) {
488 return cap_capable(cred, ns, cap, SECURITY_CAP_NOAUDIT);
Chris Wright12b59892006-03-25 03:07:41 -0800489}
490
Eric Paris7b41b172008-04-23 14:10:25 -0400491static inline int security_quotactl(int cmds, int type, int id,
492 struct super_block *sb)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700493{
494 return 0;
495}
496
Eric Paris7b41b172008-04-23 14:10:25 -0400497static inline int security_quota_on(struct dentry *dentry)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700498{
499 return 0;
500}
501
Eric Paris12b30522010-11-15 18:36:29 -0500502static inline int security_syslog(int type)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700503{
Eric Paris12b30522010-11-15 18:36:29 -0500504 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700505}
506
Baolin Wang457db292016-04-08 14:02:11 +0800507static inline int security_settime64(const struct timespec64 *ts,
508 const struct timezone *tz)
509{
510 return cap_settime(ts, tz);
511}
512
Richard Cochran1e6d7672011-02-01 13:50:58 +0000513static inline int security_settime(const struct timespec *ts,
514 const struct timezone *tz)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700515{
Baolin Wang457db292016-04-08 14:02:11 +0800516 struct timespec64 ts64 = timespec_to_timespec64(*ts);
517
518 return cap_settime(&ts64, tz);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700519}
520
Alan Cox34b4e4a2007-08-22 14:01:28 -0700521static inline int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
522{
Casey Schauflerb1d9e6b2015-05-02 15:11:42 -0700523 return __vm_enough_memory(mm, pages, cap_vm_enough_memory(mm, pages));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700524}
525
David Howellsa6f76f22008-11-14 10:39:24 +1100526static inline int security_bprm_set_creds(struct linux_binprm *bprm)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700527{
David Howellsa6f76f22008-11-14 10:39:24 +1100528 return cap_bprm_set_creds(bprm);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700529}
530
Eric Paris7b41b172008-04-23 14:10:25 -0400531static inline int security_bprm_check(struct linux_binprm *bprm)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700532{
533 return 0;
534}
535
David Howellsa6f76f22008-11-14 10:39:24 +1100536static inline void security_bprm_committing_creds(struct linux_binprm *bprm)
537{
538}
539
540static inline void security_bprm_committed_creds(struct linux_binprm *bprm)
541{
542}
543
Eric Paris7b41b172008-04-23 14:10:25 -0400544static inline int security_bprm_secureexec(struct linux_binprm *bprm)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700545{
546 return cap_bprm_secureexec(bprm);
547}
548
Eric Paris7b41b172008-04-23 14:10:25 -0400549static inline int security_sb_alloc(struct super_block *sb)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700550{
551 return 0;
552}
553
Eric Paris7b41b172008-04-23 14:10:25 -0400554static inline void security_sb_free(struct super_block *sb)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700555{ }
556
Eric Paris7b41b172008-04-23 14:10:25 -0400557static inline int security_sb_copy_data(char *orig, char *copy)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700558{
559 return 0;
560}
561
Eric Parisff36fe22011-03-03 16:09:14 -0500562static inline int security_sb_remount(struct super_block *sb, void *data)
563{
564 return 0;
565}
566
James Morris12204e22008-12-19 10:44:42 +1100567static inline int security_sb_kern_mount(struct super_block *sb, int flags, void *data)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700568{
569 return 0;
570}
571
Eric Paris2069f452008-07-04 09:47:13 +1000572static inline int security_sb_show_options(struct seq_file *m,
573 struct super_block *sb)
574{
575 return 0;
576}
577
Eric Paris7b41b172008-04-23 14:10:25 -0400578static inline int security_sb_statfs(struct dentry *dentry)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700579{
580 return 0;
581}
582
Al Viro8a04c432016-03-25 14:52:53 -0400583static inline int security_sb_mount(const char *dev_name, const struct path *path,
Al Viro808d4e32012-10-11 11:42:01 -0400584 const char *type, unsigned long flags,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700585 void *data)
586{
587 return 0;
588}
589
Eric Paris7b41b172008-04-23 14:10:25 -0400590static inline int security_sb_umount(struct vfsmount *mnt, int flags)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700591{
592 return 0;
593}
594
Al Viro3b73b682016-03-25 15:31:19 -0400595static inline int security_sb_pivotroot(const struct path *old_path,
596 const struct path *new_path)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700597{
598 return 0;
599}
600
Eric Parise0007522008-03-05 10:31:54 -0500601static inline int security_sb_set_mnt_opts(struct super_block *sb,
David Quigley649f6e72013-05-22 12:50:36 -0400602 struct security_mnt_opts *opts,
603 unsigned long kern_flags,
604 unsigned long *set_kern_flags)
Eric Parise0007522008-03-05 10:31:54 -0500605{
606 return 0;
607}
608
Jeff Layton094f7b62013-04-01 08:14:24 -0400609static inline int security_sb_clone_mnt_opts(const struct super_block *oldsb,
Scott Mayhew0b4d3452017-06-05 11:45:04 -0400610 struct super_block *newsb,
611 unsigned long kern_flags,
612 unsigned long *set_kern_flags)
Jeff Layton094f7b62013-04-01 08:14:24 -0400613{
614 return 0;
615}
Eric Parise0007522008-03-05 10:31:54 -0500616
617static inline int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
618{
619 return 0;
620}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700621
Eric Paris7b41b172008-04-23 14:10:25 -0400622static inline int security_inode_alloc(struct inode *inode)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700623{
624 return 0;
625}
626
Eric Paris7b41b172008-04-23 14:10:25 -0400627static inline void security_inode_free(struct inode *inode)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700628{ }
Stephen Smalley5e41ff92005-09-09 13:01:35 -0700629
David Quigleyd47be3d2013-05-22 12:50:34 -0400630static inline int security_dentry_init_security(struct dentry *dentry,
631 int mode,
Al Viro4f3ccd72016-07-20 16:06:15 -0400632 const struct qstr *name,
David Quigleyd47be3d2013-05-22 12:50:34 -0400633 void **ctx,
634 u32 *ctxlen)
635{
636 return -EOPNOTSUPP;
637}
638
Vivek Goyal26026252016-07-13 10:44:52 -0400639static inline int security_dentry_create_files_as(struct dentry *dentry,
640 int mode, struct qstr *name,
641 const struct cred *old,
642 struct cred *new)
643{
644 return 0;
645}
646
David Quigleyd47be3d2013-05-22 12:50:34 -0400647
Eric Paris7b41b172008-04-23 14:10:25 -0400648static inline int security_inode_init_security(struct inode *inode,
Stephen Smalley5e41ff92005-09-09 13:01:35 -0700649 struct inode *dir,
Eric Paris2a7dba32011-02-01 11:05:39 -0500650 const struct qstr *qstr,
Mark Rustadfbff6612014-08-28 04:43:09 -0700651 const initxattrs xattrs,
Mimi Zohar9d8f13b2011-06-06 15:29:25 -0400652 void *fs_data)
Stephen Smalley5e41ff92005-09-09 13:01:35 -0700653{
Mimi Zohar1e39f382011-08-15 09:09:16 -0400654 return 0;
Stephen Smalley5e41ff92005-09-09 13:01:35 -0700655}
Eric Paris7b41b172008-04-23 14:10:25 -0400656
Mimi Zohar1e39f382011-08-15 09:09:16 -0400657static inline int security_old_inode_init_security(struct inode *inode,
658 struct inode *dir,
659 const struct qstr *qstr,
Tetsuo Handa95489062013-07-25 05:44:02 +0900660 const char **name,
661 void **value, size_t *len)
Mimi Zohare1c9b232011-08-11 00:22:51 -0400662{
Jan Kara30e05322012-01-03 13:14:29 +0100663 return -EOPNOTSUPP;
Mimi Zohare1c9b232011-08-11 00:22:51 -0400664}
665
Eric Paris7b41b172008-04-23 14:10:25 -0400666static inline int security_inode_create(struct inode *dir,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700667 struct dentry *dentry,
Al Viro4acdaf22011-07-26 01:42:34 -0400668 umode_t mode)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700669{
670 return 0;
671}
672
Eric Paris7b41b172008-04-23 14:10:25 -0400673static inline int security_inode_link(struct dentry *old_dentry,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700674 struct inode *dir,
675 struct dentry *new_dentry)
676{
677 return 0;
678}
679
Eric Paris7b41b172008-04-23 14:10:25 -0400680static inline int security_inode_unlink(struct inode *dir,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700681 struct dentry *dentry)
682{
683 return 0;
684}
685
Eric Paris7b41b172008-04-23 14:10:25 -0400686static inline int security_inode_symlink(struct inode *dir,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700687 struct dentry *dentry,
688 const char *old_name)
689{
690 return 0;
691}
692
Eric Paris7b41b172008-04-23 14:10:25 -0400693static inline int security_inode_mkdir(struct inode *dir,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700694 struct dentry *dentry,
695 int mode)
696{
697 return 0;
698}
699
Eric Paris7b41b172008-04-23 14:10:25 -0400700static inline int security_inode_rmdir(struct inode *dir,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700701 struct dentry *dentry)
702{
703 return 0;
704}
705
Eric Paris7b41b172008-04-23 14:10:25 -0400706static inline int security_inode_mknod(struct inode *dir,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700707 struct dentry *dentry,
708 int mode, dev_t dev)
709{
710 return 0;
711}
712
Eric Paris7b41b172008-04-23 14:10:25 -0400713static inline int security_inode_rename(struct inode *old_dir,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700714 struct dentry *old_dentry,
715 struct inode *new_dir,
Miklos Szeredi0b3974e2014-04-01 17:08:43 +0200716 struct dentry *new_dentry,
717 unsigned int flags)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700718{
719 return 0;
720}
721
Eric Paris7b41b172008-04-23 14:10:25 -0400722static inline int security_inode_readlink(struct dentry *dentry)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700723{
724 return 0;
725}
726
NeilBrownbda0be72015-03-23 13:37:39 +1100727static inline int security_inode_follow_link(struct dentry *dentry,
728 struct inode *inode,
729 bool rcu)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700730{
731 return 0;
732}
733
Al Virob77b0642008-07-17 09:37:02 -0400734static inline int security_inode_permission(struct inode *inode, int mask)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700735{
736 return 0;
737}
738
Eric Paris7b41b172008-04-23 14:10:25 -0400739static inline int security_inode_setattr(struct dentry *dentry,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700740 struct iattr *attr)
741{
742 return 0;
743}
744
Al Viro3f7036a2015-03-08 19:28:30 -0400745static inline int security_inode_getattr(const struct path *path)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700746{
747 return 0;
748}
749
David Howells8f0cfa52008-04-29 00:59:41 -0700750static inline int security_inode_setxattr(struct dentry *dentry,
751 const char *name, const void *value, size_t size, int flags)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700752{
753 return cap_inode_setxattr(dentry, name, value, size, flags);
754}
755
David Howells8f0cfa52008-04-29 00:59:41 -0700756static inline void security_inode_post_setxattr(struct dentry *dentry,
757 const char *name, const void *value, size_t size, int flags)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700758{ }
759
David Howells8f0cfa52008-04-29 00:59:41 -0700760static inline int security_inode_getxattr(struct dentry *dentry,
761 const char *name)
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_listxattr(struct dentry *dentry)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700767{
768 return 0;
769}
770
David Howells8f0cfa52008-04-29 00:59:41 -0700771static inline int security_inode_removexattr(struct dentry *dentry,
772 const char *name)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700773{
774 return cap_inode_removexattr(dentry, name);
775}
776
Serge E. Hallynb5376772007-10-16 23:31:36 -0700777static inline int security_inode_need_killpriv(struct dentry *dentry)
778{
779 return cap_inode_need_killpriv(dentry);
780}
781
782static inline int security_inode_killpriv(struct dentry *dentry)
783{
784 return cap_inode_killpriv(dentry);
785}
786
Andreas Gruenbacherea861df2015-12-24 11:09:39 -0500787static inline int security_inode_getsecurity(struct inode *inode, const char *name, void **buffer, bool alloc)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700788{
789 return -EOPNOTSUPP;
790}
791
792static inline int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
793{
794 return -EOPNOTSUPP;
795}
796
797static inline int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
798{
799 return 0;
800}
801
Andreas Gruenbacherd6335d72015-12-24 11:09:39 -0500802static inline void security_inode_getsecid(struct inode *inode, u32 *secid)
Ahmed S. Darwish8a076192008-03-01 21:51:09 +0200803{
804 *secid = 0;
805}
806
Vivek Goyald8ad8b42016-07-13 11:13:56 -0400807static inline int security_inode_copy_up(struct dentry *src, struct cred **new)
808{
809 return 0;
810}
811
Vivek Goyal121ab822016-07-13 10:44:49 -0400812static inline int security_inode_copy_up_xattr(const char *name)
813{
814 return -EOPNOTSUPP;
815}
816
Eric Paris7b41b172008-04-23 14:10:25 -0400817static inline int security_file_permission(struct file *file, int mask)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700818{
819 return 0;
820}
821
Eric Paris7b41b172008-04-23 14:10:25 -0400822static inline int security_file_alloc(struct file *file)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700823{
824 return 0;
825}
826
Eric Paris7b41b172008-04-23 14:10:25 -0400827static inline void security_file_free(struct file *file)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700828{ }
829
Eric Paris7b41b172008-04-23 14:10:25 -0400830static inline int security_file_ioctl(struct file *file, unsigned int cmd,
831 unsigned long arg)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700832{
833 return 0;
834}
835
Al Viro8b3ec682012-05-30 17:11:23 -0400836static inline int security_mmap_file(struct file *file, unsigned long prot,
Al Viroe5467852012-05-30 13:30:51 -0400837 unsigned long flags)
838{
839 return 0;
840}
841
842static inline int security_mmap_addr(unsigned long addr)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700843{
Al Virod0077942012-05-30 13:11:37 -0400844 return cap_mmap_addr(addr);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700845}
846
Eric Paris7b41b172008-04-23 14:10:25 -0400847static inline int security_file_mprotect(struct vm_area_struct *vma,
848 unsigned long reqprot,
849 unsigned long prot)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700850{
851 return 0;
852}
853
Eric Paris7b41b172008-04-23 14:10:25 -0400854static inline int security_file_lock(struct file *file, unsigned int cmd)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700855{
856 return 0;
857}
858
Eric Paris7b41b172008-04-23 14:10:25 -0400859static inline int security_file_fcntl(struct file *file, unsigned int cmd,
860 unsigned long arg)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700861{
862 return 0;
863}
864
Jeff Laytone0b93ed2014-08-22 11:27:32 -0400865static inline void security_file_set_fowner(struct file *file)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700866{
Jeff Laytone0b93ed2014-08-22 11:27:32 -0400867 return;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700868}
869
Eric Paris7b41b172008-04-23 14:10:25 -0400870static inline int security_file_send_sigiotask(struct task_struct *tsk,
871 struct fown_struct *fown,
872 int sig)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700873{
874 return 0;
875}
876
Eric Paris7b41b172008-04-23 14:10:25 -0400877static inline int security_file_receive(struct file *file)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700878{
879 return 0;
880}
881
Eric Paris83d49852012-04-04 13:45:40 -0400882static inline int security_file_open(struct file *file,
883 const struct cred *cred)
Yuichi Nakamura788e7dd2007-09-14 09:27:07 +0900884{
885 return 0;
886}
887
Eric Paris7b41b172008-04-23 14:10:25 -0400888static inline int security_task_create(unsigned long clone_flags)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700889{
890 return 0;
891}
892
Tetsuo Handae4e55b42017-03-24 20:46:33 +0900893static inline int security_task_alloc(struct task_struct *task,
894 unsigned long clone_flags)
895{
896 return 0;
897}
898
Kees Cook1a2a4d02011-12-21 12:17:03 -0800899static inline void security_task_free(struct task_struct *task)
900{ }
901
David Howells945af7c2009-09-04 09:19:48 +0100902static inline int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
903{
904 return 0;
905}
David Howellsee18d642009-09-02 09:14:21 +0100906
David Howellsd84f4f92008-11-14 10:39:23 +1100907static inline void security_cred_free(struct cred *cred)
908{ }
909
910static inline int security_prepare_creds(struct cred *new,
911 const struct cred *old,
912 gfp_t gfp)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700913{
914 return 0;
915}
916
David Howellsee18d642009-09-02 09:14:21 +0100917static inline void security_transfer_creds(struct cred *new,
918 const struct cred *old)
919{
920}
921
David Howells3a3b7ce2008-11-14 10:39:28 +1100922static inline int security_kernel_act_as(struct cred *cred, u32 secid)
923{
924 return 0;
925}
926
927static inline int security_kernel_create_files_as(struct cred *cred,
928 struct inode *inode)
929{
930 return 0;
931}
932
Eric Parisdd8dbf22009-11-03 16:35:32 +1100933static inline int security_kernel_module_request(char *kmod_name)
Eric Paris91884992009-08-13 09:44:57 -0400934{
935 return 0;
936}
937
Mimi Zohar39eeb4f2016-01-30 22:23:26 -0500938static inline int security_kernel_read_file(struct file *file,
939 enum kernel_read_file_id id)
940{
941 return 0;
942}
943
Mimi Zoharb44a7df2015-12-28 16:02:29 -0500944static inline int security_kernel_post_read_file(struct file *file,
Mimi Zoharbc8ca5b2016-01-24 10:07:32 -0500945 char *buf, loff_t size,
946 enum kernel_read_file_id id)
Mimi Zoharb44a7df2015-12-28 16:02:29 -0500947{
948 return 0;
949}
950
David Howellsd84f4f92008-11-14 10:39:23 +1100951static inline int security_task_fix_setuid(struct cred *new,
952 const struct cred *old,
953 int flags)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700954{
David Howellsd84f4f92008-11-14 10:39:23 +1100955 return cap_task_fix_setuid(new, old, flags);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700956}
957
Eric Paris7b41b172008-04-23 14:10:25 -0400958static inline int security_task_setpgid(struct task_struct *p, pid_t pgid)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700959{
960 return 0;
961}
962
Eric Paris7b41b172008-04-23 14:10:25 -0400963static inline int security_task_getpgid(struct task_struct *p)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700964{
965 return 0;
966}
967
Eric Paris7b41b172008-04-23 14:10:25 -0400968static inline int security_task_getsid(struct task_struct *p)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700969{
970 return 0;
971}
972
Eric Paris7b41b172008-04-23 14:10:25 -0400973static inline void security_task_getsecid(struct task_struct *p, u32 *secid)
Ahmed S. Darwish8a076192008-03-01 21:51:09 +0200974{
975 *secid = 0;
976}
David Quigleyf9008e4c2006-06-30 01:55:46 -0700977
Eric Paris7b41b172008-04-23 14:10:25 -0400978static inline int security_task_setnice(struct task_struct *p, int nice)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700979{
Serge E. Hallynb5376772007-10-16 23:31:36 -0700980 return cap_task_setnice(p, nice);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700981}
982
Eric Paris7b41b172008-04-23 14:10:25 -0400983static inline int security_task_setioprio(struct task_struct *p, int ioprio)
James Morris03e68062006-06-23 02:03:58 -0700984{
Serge E. Hallynb5376772007-10-16 23:31:36 -0700985 return cap_task_setioprio(p, ioprio);
James Morris03e68062006-06-23 02:03:58 -0700986}
987
Eric Paris7b41b172008-04-23 14:10:25 -0400988static inline int security_task_getioprio(struct task_struct *p)
David Quigleya1836a42006-06-30 01:55:49 -0700989{
990 return 0;
991}
992
Stephen Smalley791ec492017-02-17 07:57:00 -0500993static inline int security_task_prlimit(const struct cred *cred,
994 const struct cred *tcred,
995 unsigned int flags)
996{
997 return 0;
998}
999
Jiri Slaby8fd00b42009-08-26 18:41:16 +02001000static inline int security_task_setrlimit(struct task_struct *p,
1001 unsigned int resource,
Eric Paris7b41b172008-04-23 14:10:25 -04001002 struct rlimit *new_rlim)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001003{
1004 return 0;
1005}
1006
KOSAKI Motohirob0ae1982010-10-15 04:21:18 +09001007static inline int security_task_setscheduler(struct task_struct *p)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001008{
KOSAKI Motohirob0ae1982010-10-15 04:21:18 +09001009 return cap_task_setscheduler(p);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001010}
1011
Eric Paris7b41b172008-04-23 14:10:25 -04001012static inline int security_task_getscheduler(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_movememory(struct task_struct *p)
David Quigley35601542006-06-23 02:04:01 -07001018{
1019 return 0;
1020}
1021
Eric Paris7b41b172008-04-23 14:10:25 -04001022static inline int security_task_kill(struct task_struct *p,
1023 struct siginfo *info, int sig,
1024 u32 secid)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001025{
Serge Hallynaedb60a2008-02-29 15:14:57 +00001026 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001027}
1028
Eric Paris7b41b172008-04-23 14:10:25 -04001029static inline int security_task_prctl(int option, unsigned long arg2,
1030 unsigned long arg3,
1031 unsigned long arg4,
David Howellsd84f4f92008-11-14 10:39:23 +11001032 unsigned long arg5)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001033{
Jann Hornb7f76ea2015-09-18 23:41:23 +02001034 return cap_task_prctl(option, arg2, arg3, arg4, arg5);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001035}
1036
1037static inline void security_task_to_inode(struct task_struct *p, struct inode *inode)
1038{ }
1039
Eric Paris7b41b172008-04-23 14:10:25 -04001040static inline int security_ipc_permission(struct kern_ipc_perm *ipcp,
1041 short flag)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001042{
1043 return 0;
1044}
1045
Ahmed S. Darwish8a076192008-03-01 21:51:09 +02001046static inline void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
1047{
1048 *secid = 0;
1049}
1050
Eric Paris7b41b172008-04-23 14:10:25 -04001051static inline int security_msg_msg_alloc(struct msg_msg *msg)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001052{
1053 return 0;
1054}
1055
Eric Paris7b41b172008-04-23 14:10:25 -04001056static inline void security_msg_msg_free(struct msg_msg *msg)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001057{ }
1058
Eric Paris7b41b172008-04-23 14:10:25 -04001059static inline int security_msg_queue_alloc(struct msg_queue *msq)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001060{
1061 return 0;
1062}
1063
Eric Paris7b41b172008-04-23 14:10:25 -04001064static inline void security_msg_queue_free(struct msg_queue *msq)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001065{ }
1066
Eric Paris7b41b172008-04-23 14:10:25 -04001067static inline int security_msg_queue_associate(struct msg_queue *msq,
1068 int msqflg)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001069{
1070 return 0;
1071}
1072
Eric Paris7b41b172008-04-23 14:10:25 -04001073static inline int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
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_msgsnd(struct msg_queue *msq,
1079 struct msg_msg *msg, int msqflg)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001080{
1081 return 0;
1082}
1083
Eric Paris7b41b172008-04-23 14:10:25 -04001084static inline int security_msg_queue_msgrcv(struct msg_queue *msq,
1085 struct msg_msg *msg,
1086 struct task_struct *target,
1087 long type, int mode)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001088{
1089 return 0;
1090}
1091
Eric Paris7b41b172008-04-23 14:10:25 -04001092static inline int security_shm_alloc(struct shmid_kernel *shp)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001093{
1094 return 0;
1095}
1096
Eric Paris7b41b172008-04-23 14:10:25 -04001097static inline void security_shm_free(struct shmid_kernel *shp)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001098{ }
1099
Eric Paris7b41b172008-04-23 14:10:25 -04001100static inline int security_shm_associate(struct shmid_kernel *shp,
1101 int shmflg)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001102{
1103 return 0;
1104}
1105
Eric Paris7b41b172008-04-23 14:10:25 -04001106static inline int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001107{
1108 return 0;
1109}
1110
Eric Paris7b41b172008-04-23 14:10:25 -04001111static inline int security_shm_shmat(struct shmid_kernel *shp,
1112 char __user *shmaddr, int shmflg)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001113{
1114 return 0;
1115}
1116
Eric Paris7b41b172008-04-23 14:10:25 -04001117static inline int security_sem_alloc(struct sem_array *sma)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001118{
1119 return 0;
1120}
1121
Eric Paris7b41b172008-04-23 14:10:25 -04001122static inline void security_sem_free(struct sem_array *sma)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001123{ }
1124
Eric Paris7b41b172008-04-23 14:10:25 -04001125static inline int security_sem_associate(struct sem_array *sma, int semflg)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001126{
1127 return 0;
1128}
1129
Eric Paris7b41b172008-04-23 14:10:25 -04001130static inline int security_sem_semctl(struct sem_array *sma, int cmd)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001131{
1132 return 0;
1133}
1134
Eric Paris7b41b172008-04-23 14:10:25 -04001135static inline int security_sem_semop(struct sem_array *sma,
1136 struct sembuf *sops, unsigned nsops,
1137 int alter)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001138{
1139 return 0;
1140}
1141
Eric Paris7b41b172008-04-23 14:10:25 -04001142static inline void security_d_instantiate(struct dentry *dentry, struct inode *inode)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001143{ }
1144
Al Viro04ff9702007-03-12 16:17:58 +00001145static inline int security_getprocattr(struct task_struct *p, char *name, char **value)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001146{
1147 return -EINVAL;
1148}
1149
Stephen Smalleyb21507e2017-01-09 10:07:31 -05001150static inline int security_setprocattr(char *name, void *value, size_t size)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001151{
1152 return -EINVAL;
1153}
1154
Eric Paris7b41b172008-04-23 14:10:25 -04001155static inline int security_netlink_send(struct sock *sk, struct sk_buff *skb)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001156{
Casey Schauflerb1d9e6b2015-05-02 15:11:42 -07001157 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001158}
1159
David Quigley746df9b2013-05-22 12:50:35 -04001160static inline int security_ismaclabel(const char *name)
1161{
1162 return 0;
1163}
1164
Catherine Zhangdc49c1f2006-08-02 14:12:06 -07001165static inline int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
1166{
1167 return -EOPNOTSUPP;
1168}
1169
David Howells7bf570d2008-04-29 20:52:51 +01001170static inline int security_secctx_to_secid(const char *secdata,
David Howells63cb3442008-01-15 23:47:35 +00001171 u32 seclen,
1172 u32 *secid)
1173{
1174 return -EOPNOTSUPP;
1175}
1176
Catherine Zhangdc49c1f2006-08-02 14:12:06 -07001177static inline void security_release_secctx(char *secdata, u32 seclen)
1178{
Catherine Zhangdc49c1f2006-08-02 14:12:06 -07001179}
David P. Quigley1ee65e32009-09-03 14:25:57 -04001180
Andreas Gruenbacher6f3be9f2015-12-24 11:09:40 -05001181static inline void security_inode_invalidate_secctx(struct inode *inode)
1182{
1183}
1184
David P. Quigley1ee65e32009-09-03 14:25:57 -04001185static inline int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
1186{
1187 return -EOPNOTSUPP;
1188}
1189static inline int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
1190{
1191 return -EOPNOTSUPP;
1192}
1193static inline int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
1194{
1195 return -EOPNOTSUPP;
1196}
Linus Torvalds1da177e2005-04-16 15:20:36 -07001197#endif /* CONFIG_SECURITY */
1198
1199#ifdef CONFIG_SECURITY_NETWORK
Linus Torvalds1da177e2005-04-16 15:20:36 -07001200
David S. Miller3610cda2011-01-05 15:38:53 -08001201int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk);
James Morris20510f22007-10-16 23:31:32 -07001202int security_unix_may_send(struct socket *sock, struct socket *other);
1203int security_socket_create(int family, int type, int protocol, int kern);
1204int security_socket_post_create(struct socket *sock, int family,
1205 int type, int protocol, int kern);
1206int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen);
1207int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen);
1208int security_socket_listen(struct socket *sock, int backlog);
1209int security_socket_accept(struct socket *sock, struct socket *newsock);
James Morris20510f22007-10-16 23:31:32 -07001210int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size);
1211int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1212 int size, int flags);
1213int security_socket_getsockname(struct socket *sock);
1214int security_socket_getpeername(struct socket *sock);
1215int security_socket_getsockopt(struct socket *sock, int level, int optname);
1216int security_socket_setsockopt(struct socket *sock, int level, int optname);
1217int security_socket_shutdown(struct socket *sock, int how);
1218int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb);
1219int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1220 int __user *optlen, unsigned len);
1221int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid);
1222int security_sk_alloc(struct sock *sk, int family, gfp_t priority);
1223void security_sk_free(struct sock *sk);
1224void security_sk_clone(const struct sock *sk, struct sock *newsk);
1225void security_sk_classify_flow(struct sock *sk, struct flowi *fl);
1226void security_req_classify_flow(const struct request_sock *req, struct flowi *fl);
1227void security_sock_graft(struct sock*sk, struct socket *parent);
1228int security_inet_conn_request(struct sock *sk,
1229 struct sk_buff *skb, struct request_sock *req);
1230void security_inet_csk_clone(struct sock *newsk,
1231 const struct request_sock *req);
1232void security_inet_conn_established(struct sock *sk,
1233 struct sk_buff *skb);
Eric Paris2606fd12010-10-13 16:24:41 -04001234int security_secmark_relabel_packet(u32 secid);
1235void security_secmark_refcount_inc(void);
1236void security_secmark_refcount_dec(void);
Paul Moore5dbbaf22013-01-14 07:12:19 +00001237int security_tun_dev_alloc_security(void **security);
1238void security_tun_dev_free_security(void *security);
Paul Moore2b980db2009-08-28 18:12:43 -04001239int security_tun_dev_create(void);
Paul Moore5dbbaf22013-01-14 07:12:19 +00001240int security_tun_dev_attach_queue(void *security);
1241int security_tun_dev_attach(struct sock *sk, void *security);
1242int security_tun_dev_open(void *security);
Linus Torvalds1da177e2005-04-16 15:20:36 -07001243
Linus Torvalds1da177e2005-04-16 15:20:36 -07001244#else /* CONFIG_SECURITY_NETWORK */
David S. Miller3610cda2011-01-05 15:38:53 -08001245static inline int security_unix_stream_connect(struct sock *sock,
1246 struct sock *other,
Eric Paris7b41b172008-04-23 14:10:25 -04001247 struct sock *newsk)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001248{
1249 return 0;
1250}
1251
Eric Paris7b41b172008-04-23 14:10:25 -04001252static inline int security_unix_may_send(struct socket *sock,
1253 struct socket *other)
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_create(int family, int type,
1259 int protocol, int kern)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001260{
1261 return 0;
1262}
1263
Eric Paris7b41b172008-04-23 14:10:25 -04001264static inline int security_socket_post_create(struct socket *sock,
Venkat Yekkirala7420ed22006-08-04 23:17:57 -07001265 int family,
1266 int type,
1267 int protocol, int kern)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001268{
Venkat Yekkirala7420ed22006-08-04 23:17:57 -07001269 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -07001270}
1271
Eric Paris7b41b172008-04-23 14:10:25 -04001272static inline int security_socket_bind(struct socket *sock,
1273 struct sockaddr *address,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001274 int addrlen)
1275{
1276 return 0;
1277}
1278
Eric Paris7b41b172008-04-23 14:10:25 -04001279static inline int security_socket_connect(struct socket *sock,
1280 struct sockaddr *address,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001281 int addrlen)
1282{
1283 return 0;
1284}
1285
Eric Paris7b41b172008-04-23 14:10:25 -04001286static inline int security_socket_listen(struct socket *sock, int backlog)
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_accept(struct socket *sock,
1292 struct socket *newsock)
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_sendmsg(struct socket *sock,
1298 struct msghdr *msg, int size)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001299{
1300 return 0;
1301}
1302
Eric Paris7b41b172008-04-23 14:10:25 -04001303static inline int security_socket_recvmsg(struct socket *sock,
1304 struct msghdr *msg, int size,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001305 int flags)
1306{
1307 return 0;
1308}
1309
Eric Paris7b41b172008-04-23 14:10:25 -04001310static inline int security_socket_getsockname(struct socket *sock)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001311{
1312 return 0;
1313}
1314
Eric Paris7b41b172008-04-23 14:10:25 -04001315static inline int security_socket_getpeername(struct socket *sock)
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_getsockopt(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_setsockopt(struct socket *sock,
Linus Torvalds1da177e2005-04-16 15:20:36 -07001327 int level, int optname)
1328{
1329 return 0;
1330}
1331
Eric Paris7b41b172008-04-23 14:10:25 -04001332static inline int security_socket_shutdown(struct socket *sock, int how)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001333{
1334 return 0;
1335}
Eric Paris7b41b172008-04-23 14:10:25 -04001336static inline int security_sock_rcv_skb(struct sock *sk,
1337 struct sk_buff *skb)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001338{
1339 return 0;
1340}
1341
Catherine Zhang2c7946a2006-03-20 22:41:23 -08001342static inline int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1343 int __user *optlen, unsigned len)
1344{
1345 return -ENOPROTOOPT;
1346}
1347
Catherine Zhangdc49c1f2006-08-02 14:12:06 -07001348static inline int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001349{
1350 return -ENOPROTOOPT;
1351}
1352
Al Virodd0fc662005-10-07 07:46:04 +01001353static inline int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
Linus Torvalds1da177e2005-04-16 15:20:36 -07001354{
1355 return 0;
1356}
1357
1358static inline void security_sk_free(struct sock *sk)
1359{
1360}
Trent Jaegerdf718372005-12-13 23:12:27 -08001361
Venkat Yekkirala892c1412006-08-04 23:08:56 -07001362static inline void security_sk_clone(const struct sock *sk, struct sock *newsk)
1363{
1364}
1365
Venkat Yekkiralabeb8d132006-08-04 23:12:42 -07001366static inline void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
Trent Jaegerdf718372005-12-13 23:12:27 -08001367{
Trent Jaegerdf718372005-12-13 23:12:27 -08001368}
Venkat Yekkirala4237c752006-07-24 23:32:50 -07001369
1370static inline void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1371{
1372}
1373
Eric Paris7b41b172008-04-23 14:10:25 -04001374static inline void security_sock_graft(struct sock *sk, struct socket *parent)
Venkat Yekkirala4237c752006-07-24 23:32:50 -07001375{
1376}
1377
1378static inline int security_inet_conn_request(struct sock *sk,
1379 struct sk_buff *skb, struct request_sock *req)
1380{
1381 return 0;
1382}
1383
1384static inline void security_inet_csk_clone(struct sock *newsk,
1385 const struct request_sock *req)
1386{
1387}
Venkat Yekkirala6b877692006-11-08 17:04:09 -06001388
1389static inline void security_inet_conn_established(struct sock *sk,
1390 struct sk_buff *skb)
1391{
1392}
Paul Moore2b980db2009-08-28 18:12:43 -04001393
Eric Paris2606fd12010-10-13 16:24:41 -04001394static inline int security_secmark_relabel_packet(u32 secid)
1395{
1396 return 0;
1397}
1398
1399static inline void security_secmark_refcount_inc(void)
1400{
1401}
1402
1403static inline void security_secmark_refcount_dec(void)
1404{
1405}
1406
Paul Moore5dbbaf22013-01-14 07:12:19 +00001407static inline int security_tun_dev_alloc_security(void **security)
1408{
1409 return 0;
1410}
1411
1412static inline void security_tun_dev_free_security(void *security)
1413{
1414}
1415
Paul Moore2b980db2009-08-28 18:12:43 -04001416static inline int security_tun_dev_create(void)
1417{
1418 return 0;
1419}
1420
Paul Moore5dbbaf22013-01-14 07:12:19 +00001421static inline int security_tun_dev_attach_queue(void *security)
Paul Moore2b980db2009-08-28 18:12:43 -04001422{
Paul Moore5dbbaf22013-01-14 07:12:19 +00001423 return 0;
Paul Moore2b980db2009-08-28 18:12:43 -04001424}
1425
Paul Moore5dbbaf22013-01-14 07:12:19 +00001426static inline int security_tun_dev_attach(struct sock *sk, void *security)
1427{
1428 return 0;
1429}
1430
1431static inline int security_tun_dev_open(void *security)
Paul Moore2b980db2009-08-28 18:12:43 -04001432{
1433 return 0;
1434}
Linus Torvalds1da177e2005-04-16 15:20:36 -07001435#endif /* CONFIG_SECURITY_NETWORK */
1436
Daniel Jurgensd291f1a2017-05-19 15:48:52 +03001437#ifdef CONFIG_SECURITY_INFINIBAND
1438int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey);
Daniel Jurgens47a2b332017-05-19 15:48:54 +03001439int security_ib_endport_manage_subnet(void *sec, const char *name, u8 port_num);
Daniel Jurgensd291f1a2017-05-19 15:48:52 +03001440int security_ib_alloc_security(void **sec);
1441void security_ib_free_security(void *sec);
1442#else /* CONFIG_SECURITY_INFINIBAND */
1443static inline int security_ib_pkey_access(void *sec, u64 subnet_prefix, u16 pkey)
1444{
1445 return 0;
1446}
1447
Daniel Jurgens47a2b332017-05-19 15:48:54 +03001448static inline int security_ib_endport_manage_subnet(void *sec, const char *dev_name, u8 port_num)
1449{
1450 return 0;
1451}
1452
Daniel Jurgensd291f1a2017-05-19 15:48:52 +03001453static inline int security_ib_alloc_security(void **sec)
1454{
1455 return 0;
1456}
1457
1458static inline void security_ib_free_security(void *sec)
1459{
1460}
1461#endif /* CONFIG_SECURITY_INFINIBAND */
1462
Trent Jaegerdf718372005-12-13 23:12:27 -08001463#ifdef CONFIG_SECURITY_NETWORK_XFRM
Venkat Yekkiralacb969f02006-07-24 23:32:20 -07001464
Nikolay Aleksandrov52a4c642014-03-07 12:44:19 +01001465int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1466 struct xfrm_user_sec_ctx *sec_ctx, gfp_t gfp);
Paul Moore03e1ad72008-04-12 19:07:52 -07001467int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, struct xfrm_sec_ctx **new_ctxp);
1468void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx);
1469int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx);
James Morris20510f22007-10-16 23:31:32 -07001470int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx);
1471int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1472 struct xfrm_sec_ctx *polsec, u32 secid);
1473int security_xfrm_state_delete(struct xfrm_state *x);
1474void security_xfrm_state_free(struct xfrm_state *x);
Paul Moore03e1ad72008-04-12 19:07:52 -07001475int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir);
James Morris20510f22007-10-16 23:31:32 -07001476int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
David S. Millere33f7702011-02-22 18:13:15 -08001477 struct xfrm_policy *xp,
1478 const struct flowi *fl);
James Morris20510f22007-10-16 23:31:32 -07001479int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid);
1480void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl);
Trent Jaegerdf718372005-12-13 23:12:27 -08001481
Trent Jaegerdf718372005-12-13 23:12:27 -08001482#else /* CONFIG_SECURITY_NETWORK_XFRM */
James Morris20510f22007-10-16 23:31:32 -07001483
Nikolay Aleksandrov52a4c642014-03-07 12:44:19 +01001484static inline int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp,
1485 struct xfrm_user_sec_ctx *sec_ctx,
1486 gfp_t gfp)
Trent Jaegerdf718372005-12-13 23:12:27 -08001487{
1488 return 0;
1489}
1490
Paul Moore03e1ad72008-04-12 19:07:52 -07001491static inline int security_xfrm_policy_clone(struct xfrm_sec_ctx *old, struct xfrm_sec_ctx **new_ctxp)
Trent Jaegerdf718372005-12-13 23:12:27 -08001492{
1493 return 0;
1494}
1495
Paul Moore03e1ad72008-04-12 19:07:52 -07001496static inline void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
Trent Jaegerdf718372005-12-13 23:12:27 -08001497{
1498}
1499
Paul Moore03e1ad72008-04-12 19:07:52 -07001500static inline int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
Catherine Zhangc8c05a82006-06-08 23:39:49 -07001501{
1502 return 0;
1503}
1504
Venkat Yekkiralae0d1caa2006-07-24 23:29:07 -07001505static inline int security_xfrm_state_alloc(struct xfrm_state *x,
1506 struct xfrm_user_sec_ctx *sec_ctx)
1507{
1508 return 0;
1509}
1510
1511static inline int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1512 struct xfrm_sec_ctx *polsec, u32 secid)
Trent Jaegerdf718372005-12-13 23:12:27 -08001513{
1514 return 0;
1515}
1516
1517static inline void security_xfrm_state_free(struct xfrm_state *x)
1518{
1519}
1520
David S. Miller6f68dc32006-06-08 23:58:52 -07001521static inline int security_xfrm_state_delete(struct xfrm_state *x)
Catherine Zhangc8c05a82006-06-08 23:39:49 -07001522{
1523 return 0;
1524}
1525
Paul Moore03e1ad72008-04-12 19:07:52 -07001526static inline int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
Trent Jaegerdf718372005-12-13 23:12:27 -08001527{
1528 return 0;
1529}
Venkat Yekkiralae0d1caa2006-07-24 23:29:07 -07001530
1531static inline int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
David S. Millere33f7702011-02-22 18:13:15 -08001532 struct xfrm_policy *xp, const struct flowi *fl)
Venkat Yekkiralae0d1caa2006-07-24 23:29:07 -07001533{
1534 return 1;
1535}
1536
Venkat Yekkiralabeb8d132006-08-04 23:12:42 -07001537static inline int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
Venkat Yekkiralae0d1caa2006-07-24 23:29:07 -07001538{
1539 return 0;
1540}
1541
Venkat Yekkiralabeb8d132006-08-04 23:12:42 -07001542static inline void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1543{
1544}
1545
Trent Jaegerdf718372005-12-13 23:12:27 -08001546#endif /* CONFIG_SECURITY_NETWORK_XFRM */
1547
Kentaro Takedabe6d3e52008-12-17 13:24:15 +09001548#ifdef CONFIG_SECURITY_PATH
Al Viro989f74e2016-03-25 15:13:39 -04001549int security_path_unlink(const struct path *dir, struct dentry *dentry);
Al Virod3607752016-03-25 15:21:09 -04001550int security_path_mkdir(const struct path *dir, struct dentry *dentry, umode_t mode);
Al Viro989f74e2016-03-25 15:13:39 -04001551int security_path_rmdir(const struct path *dir, struct dentry *dentry);
Al Virod3607752016-03-25 15:21:09 -04001552int security_path_mknod(const struct path *dir, struct dentry *dentry, umode_t mode,
Kentaro Takedabe6d3e52008-12-17 13:24:15 +09001553 unsigned int dev);
Al Viro81f4c502016-03-25 14:22:01 -04001554int security_path_truncate(const struct path *path);
Al Virod3607752016-03-25 15:21:09 -04001555int security_path_symlink(const struct path *dir, struct dentry *dentry,
Kentaro Takedabe6d3e52008-12-17 13:24:15 +09001556 const char *old_name);
Al Viro3ccee462016-03-25 15:27:45 -04001557int security_path_link(struct dentry *old_dentry, const struct path *new_dir,
Kentaro Takedabe6d3e52008-12-17 13:24:15 +09001558 struct dentry *new_dentry);
Al Viro3ccee462016-03-25 15:27:45 -04001559int security_path_rename(const struct path *old_dir, struct dentry *old_dentry,
1560 const struct path *new_dir, struct dentry *new_dentry,
Miklos Szeredi0b3974e2014-04-01 17:08:43 +02001561 unsigned int flags);
Al Virobe01f9f2016-03-25 14:56:23 -04001562int security_path_chmod(const struct path *path, umode_t mode);
Al Viro7fd25da2016-03-25 14:44:41 -04001563int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid);
Al Viro77b286c2016-03-25 15:28:43 -04001564int security_path_chroot(const struct path *path);
Kentaro Takedabe6d3e52008-12-17 13:24:15 +09001565#else /* CONFIG_SECURITY_PATH */
Al Viro989f74e2016-03-25 15:13:39 -04001566static inline int security_path_unlink(const struct path *dir, struct dentry *dentry)
Kentaro Takedabe6d3e52008-12-17 13:24:15 +09001567{
1568 return 0;
1569}
1570
Al Virod3607752016-03-25 15:21:09 -04001571static inline int security_path_mkdir(const struct path *dir, struct dentry *dentry,
Al Viro4572bef2011-11-21 14:56:21 -05001572 umode_t mode)
Kentaro Takedabe6d3e52008-12-17 13:24:15 +09001573{
1574 return 0;
1575}
1576
Al Viro989f74e2016-03-25 15:13:39 -04001577static inline int security_path_rmdir(const struct path *dir, struct dentry *dentry)
Kentaro Takedabe6d3e52008-12-17 13:24:15 +09001578{
1579 return 0;
1580}
1581
Al Virod3607752016-03-25 15:21:09 -04001582static inline int security_path_mknod(const struct path *dir, struct dentry *dentry,
Al Viro04fc66e2011-11-21 14:58:38 -05001583 umode_t mode, unsigned int dev)
Kentaro Takedabe6d3e52008-12-17 13:24:15 +09001584{
1585 return 0;
1586}
1587
Al Viro81f4c502016-03-25 14:22:01 -04001588static inline int security_path_truncate(const struct path *path)
Kentaro Takedabe6d3e52008-12-17 13:24:15 +09001589{
1590 return 0;
1591}
1592
Al Virod3607752016-03-25 15:21:09 -04001593static inline int security_path_symlink(const struct path *dir, struct dentry *dentry,
Kentaro Takedabe6d3e52008-12-17 13:24:15 +09001594 const char *old_name)
1595{
1596 return 0;
1597}
1598
1599static inline int security_path_link(struct dentry *old_dentry,
Al Viro3ccee462016-03-25 15:27:45 -04001600 const struct path *new_dir,
Kentaro Takedabe6d3e52008-12-17 13:24:15 +09001601 struct dentry *new_dentry)
1602{
1603 return 0;
1604}
1605
Al Viro3ccee462016-03-25 15:27:45 -04001606static inline int security_path_rename(const struct path *old_dir,
Kentaro Takedabe6d3e52008-12-17 13:24:15 +09001607 struct dentry *old_dentry,
Al Viro3ccee462016-03-25 15:27:45 -04001608 const struct path *new_dir,
Miklos Szeredi0b3974e2014-04-01 17:08:43 +02001609 struct dentry *new_dentry,
1610 unsigned int flags)
Kentaro Takedabe6d3e52008-12-17 13:24:15 +09001611{
1612 return 0;
1613}
Tetsuo Handa89eda062009-10-04 21:49:47 +09001614
Al Virobe01f9f2016-03-25 14:56:23 -04001615static inline int security_path_chmod(const struct path *path, umode_t mode)
Tetsuo Handa89eda062009-10-04 21:49:47 +09001616{
1617 return 0;
1618}
1619
Al Viro7fd25da2016-03-25 14:44:41 -04001620static inline int security_path_chown(const struct path *path, kuid_t uid, kgid_t gid)
Tetsuo Handa89eda062009-10-04 21:49:47 +09001621{
1622 return 0;
1623}
Tetsuo Handa8b8efb42009-10-04 21:49:48 +09001624
Al Viro77b286c2016-03-25 15:28:43 -04001625static inline int security_path_chroot(const struct path *path)
Tetsuo Handa8b8efb42009-10-04 21:49:48 +09001626{
1627 return 0;
1628}
Kentaro Takedabe6d3e52008-12-17 13:24:15 +09001629#endif /* CONFIG_SECURITY_PATH */
1630
David Howells29db9192005-10-30 15:02:44 -08001631#ifdef CONFIG_KEYS
1632#ifdef CONFIG_SECURITY
David Howells29db9192005-10-30 15:02:44 -08001633
David Howellsd84f4f92008-11-14 10:39:23 +11001634int security_key_alloc(struct key *key, const struct cred *cred, unsigned long flags);
James Morris20510f22007-10-16 23:31:32 -07001635void security_key_free(struct key *key);
1636int security_key_permission(key_ref_t key_ref,
David Howellsf5895942014-03-14 17:44:49 +00001637 const struct cred *cred, unsigned perm);
David Howells70a5bb72008-04-29 01:01:26 -07001638int security_key_getsecurity(struct key *key, char **_buffer);
David Howells29db9192005-10-30 15:02:44 -08001639
1640#else
1641
Michael LeMayd7200242006-06-22 14:47:17 -07001642static inline int security_key_alloc(struct key *key,
David Howellsd84f4f92008-11-14 10:39:23 +11001643 const struct cred *cred,
David Howells7e047ef2006-06-26 00:24:50 -07001644 unsigned long flags)
David Howells29db9192005-10-30 15:02:44 -08001645{
1646 return 0;
1647}
1648
1649static inline void security_key_free(struct key *key)
1650{
1651}
1652
1653static inline int security_key_permission(key_ref_t key_ref,
David Howellsd84f4f92008-11-14 10:39:23 +11001654 const struct cred *cred,
David Howellsf5895942014-03-14 17:44:49 +00001655 unsigned perm)
David Howells29db9192005-10-30 15:02:44 -08001656{
1657 return 0;
1658}
1659
David Howells70a5bb72008-04-29 01:01:26 -07001660static inline int security_key_getsecurity(struct key *key, char **_buffer)
1661{
1662 *_buffer = NULL;
1663 return 0;
1664}
1665
David Howells29db9192005-10-30 15:02:44 -08001666#endif
1667#endif /* CONFIG_KEYS */
1668
Ahmed S. Darwish03d37d22008-03-01 22:00:05 +02001669#ifdef CONFIG_AUDIT
1670#ifdef CONFIG_SECURITY
1671int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule);
1672int security_audit_rule_known(struct audit_krule *krule);
1673int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1674 struct audit_context *actx);
1675void security_audit_rule_free(void *lsmrule);
1676
1677#else
1678
1679static inline int security_audit_rule_init(u32 field, u32 op, char *rulestr,
1680 void **lsmrule)
1681{
1682 return 0;
1683}
1684
1685static inline int security_audit_rule_known(struct audit_krule *krule)
1686{
1687 return 0;
1688}
1689
1690static inline int security_audit_rule_match(u32 secid, u32 field, u32 op,
1691 void *lsmrule, struct audit_context *actx)
1692{
1693 return 0;
1694}
1695
1696static inline void security_audit_rule_free(void *lsmrule)
1697{ }
1698
1699#endif /* CONFIG_SECURITY */
1700#endif /* CONFIG_AUDIT */
1701
Eric Parisda318942008-08-22 11:35:57 -04001702#ifdef CONFIG_SECURITYFS
1703
Al Viro52ef0c02011-07-26 04:30:04 -04001704extern struct dentry *securityfs_create_file(const char *name, umode_t mode,
Eric Parisda318942008-08-22 11:35:57 -04001705 struct dentry *parent, void *data,
1706 const struct file_operations *fops);
1707extern struct dentry *securityfs_create_dir(const char *name, struct dentry *parent);
1708extern void securityfs_remove(struct dentry *dentry);
1709
1710#else /* CONFIG_SECURITYFS */
1711
1712static inline struct dentry *securityfs_create_dir(const char *name,
1713 struct dentry *parent)
1714{
1715 return ERR_PTR(-ENODEV);
1716}
1717
1718static inline struct dentry *securityfs_create_file(const char *name,
Al Viro52ef0c02011-07-26 04:30:04 -04001719 umode_t mode,
Eric Parisda318942008-08-22 11:35:57 -04001720 struct dentry *parent,
1721 void *data,
1722 const struct file_operations *fops)
1723{
1724 return ERR_PTR(-ENODEV);
1725}
1726
1727static inline void securityfs_remove(struct dentry *dentry)
1728{}
1729
1730#endif
1731
Pekka Enberg3d544f42009-03-24 11:59:23 +02001732#ifdef CONFIG_SECURITY
1733
1734static inline char *alloc_secdata(void)
1735{
1736 return (char *)get_zeroed_page(GFP_KERNEL);
1737}
1738
1739static inline void free_secdata(void *secdata)
1740{
1741 free_page((unsigned long)secdata);
1742}
1743
1744#else
1745
1746static inline char *alloc_secdata(void)
1747{
1748 return (char *)1;
1749}
1750
1751static inline void free_secdata(void *secdata)
1752{ }
1753#endif /* CONFIG_SECURITY */
1754
Linus Torvalds1da177e2005-04-16 15:20:36 -07001755#endif /* ! __LINUX_SECURITY_H */
1756