2 * Security plug functions
4 * Copyright (C) 2001 WireX Communications, Inc <chris@wirex.com>
5 * Copyright (C) 2001-2002 Greg Kroah-Hartman <greg@kroah.com>
6 * Copyright (C) 2001 Networks Associates Technology, Inc <ssmalley@nai.com>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
14 #include <linux/capability.h>
15 #include <linux/module.h>
16 #include <linux/init.h>
17 #include <linux/kernel.h>
18 #include <linux/security.h>
20 /* Boot-time LSM user choice */
21 static __initdata
char chosen_lsm
[SECURITY_NAME_MAX
+ 1];
23 /* things that live in capability.c */
24 extern struct security_operations default_security_ops
;
25 extern void security_fixup_ops(struct security_operations
*ops
);
27 struct security_operations
*security_ops
; /* Initialized to NULL */
29 static inline int verify(struct security_operations
*ops
)
31 /* verify the security_operations structure exists */
34 security_fixup_ops(ops
);
38 static void __init
do_security_initcalls(void)
41 call
= __security_initcall_start
;
42 while (call
< __security_initcall_end
) {
49 * security_init - initializes the security framework
51 * This should be called early in the kernel initialization sequence.
53 int __init
security_init(void)
55 printk(KERN_INFO
"Security Framework initialized\n");
57 security_fixup_ops(&default_security_ops
);
58 security_ops
= &default_security_ops
;
59 do_security_initcalls();
64 /* Save user chosen LSM */
65 static int __init
choose_lsm(char *str
)
67 strncpy(chosen_lsm
, str
, SECURITY_NAME_MAX
);
70 __setup("security=", choose_lsm
);
73 * security_module_enable - Load given security module on boot ?
74 * @ops: a pointer to the struct security_operations that is to be checked.
76 * Each LSM must pass this method before registering its own operations
77 * to avoid security registration races. This method may also be used
78 * to check if your LSM is currently loaded during kernel initialization.
81 * -The passed LSM is the one chosen by user at boot time,
82 * -or user didn't specify a specific LSM and we're the first to ask
83 * for registration permission,
84 * -or the passed LSM is currently loaded.
85 * Otherwise, return false.
87 int __init
security_module_enable(struct security_operations
*ops
)
90 strncpy(chosen_lsm
, ops
->name
, SECURITY_NAME_MAX
);
91 else if (strncmp(ops
->name
, chosen_lsm
, SECURITY_NAME_MAX
))
98 * register_security - registers a security framework with the kernel
99 * @ops: a pointer to the struct security_options that is to be registered
101 * This function allows a security module to register itself with the
102 * kernel security subsystem. Some rudimentary checking is done on the @ops
103 * value passed to this function. You'll need to check first if your LSM
104 * is allowed to register its @ops by calling security_module_enable(@ops).
106 * If there is already a security module registered with the kernel,
107 * an error will be returned. Otherwise %0 is returned on success.
109 int register_security(struct security_operations
*ops
)
112 printk(KERN_DEBUG
"%s could not verify "
113 "security_operations structure.\n", __func__
);
117 if (security_ops
!= &default_security_ops
)
125 /* Security operations */
127 int security_ptrace_access_check(struct task_struct
*child
, unsigned int mode
)
129 return security_ops
->ptrace_access_check(child
, mode
);
132 int security_ptrace_traceme(struct task_struct
*parent
)
134 return security_ops
->ptrace_traceme(parent
);
137 int security_capget(struct task_struct
*target
,
138 kernel_cap_t
*effective
,
139 kernel_cap_t
*inheritable
,
140 kernel_cap_t
*permitted
)
142 return security_ops
->capget(target
, effective
, inheritable
, permitted
);
145 int security_capset(struct cred
*new, const struct cred
*old
,
146 const kernel_cap_t
*effective
,
147 const kernel_cap_t
*inheritable
,
148 const kernel_cap_t
*permitted
)
150 return security_ops
->capset(new, old
,
151 effective
, inheritable
, permitted
);
154 int security_capable(int cap
)
156 return security_ops
->capable(current
, current_cred(), cap
,
160 int security_real_capable(struct task_struct
*tsk
, int cap
)
162 const struct cred
*cred
;
165 cred
= get_task_cred(tsk
);
166 ret
= security_ops
->capable(tsk
, cred
, cap
, SECURITY_CAP_AUDIT
);
171 int security_real_capable_noaudit(struct task_struct
*tsk
, int cap
)
173 const struct cred
*cred
;
176 cred
= get_task_cred(tsk
);
177 ret
= security_ops
->capable(tsk
, cred
, cap
, SECURITY_CAP_NOAUDIT
);
182 int security_acct(struct file
*file
)
184 return security_ops
->acct(file
);
187 int security_sysctl(struct ctl_table
*table
, int op
)
189 return security_ops
->sysctl(table
, op
);
192 int security_quotactl(int cmds
, int type
, int id
, struct super_block
*sb
)
194 return security_ops
->quotactl(cmds
, type
, id
, sb
);
197 int security_quota_on(struct dentry
*dentry
)
199 return security_ops
->quota_on(dentry
);
202 int security_syslog(int type
)
204 return security_ops
->syslog(type
);
207 int security_settime(struct timespec
*ts
, struct timezone
*tz
)
209 return security_ops
->settime(ts
, tz
);
212 int security_vm_enough_memory(long pages
)
214 WARN_ON(current
->mm
== NULL
);
215 return security_ops
->vm_enough_memory(current
->mm
, pages
);
218 int security_vm_enough_memory_mm(struct mm_struct
*mm
, long pages
)
221 return security_ops
->vm_enough_memory(mm
, pages
);
224 int security_vm_enough_memory_kern(long pages
)
226 /* If current->mm is a kernel thread then we will pass NULL,
227 for this specific case that is fine */
228 return security_ops
->vm_enough_memory(current
->mm
, pages
);
231 int security_bprm_set_creds(struct linux_binprm
*bprm
)
233 return security_ops
->bprm_set_creds(bprm
);
236 int security_bprm_check(struct linux_binprm
*bprm
)
238 return security_ops
->bprm_check_security(bprm
);
241 void security_bprm_committing_creds(struct linux_binprm
*bprm
)
243 security_ops
->bprm_committing_creds(bprm
);
246 void security_bprm_committed_creds(struct linux_binprm
*bprm
)
248 security_ops
->bprm_committed_creds(bprm
);
251 int security_bprm_secureexec(struct linux_binprm
*bprm
)
253 return security_ops
->bprm_secureexec(bprm
);
256 int security_sb_alloc(struct super_block
*sb
)
258 return security_ops
->sb_alloc_security(sb
);
261 void security_sb_free(struct super_block
*sb
)
263 security_ops
->sb_free_security(sb
);
266 int security_sb_copy_data(char *orig
, char *copy
)
268 return security_ops
->sb_copy_data(orig
, copy
);
270 EXPORT_SYMBOL(security_sb_copy_data
);
272 int security_sb_kern_mount(struct super_block
*sb
, int flags
, void *data
)
274 return security_ops
->sb_kern_mount(sb
, flags
, data
);
277 int security_sb_show_options(struct seq_file
*m
, struct super_block
*sb
)
279 return security_ops
->sb_show_options(m
, sb
);
282 int security_sb_statfs(struct dentry
*dentry
)
284 return security_ops
->sb_statfs(dentry
);
287 int security_sb_mount(char *dev_name
, struct path
*path
,
288 char *type
, unsigned long flags
, void *data
)
290 return security_ops
->sb_mount(dev_name
, path
, type
, flags
, data
);
293 int security_sb_check_sb(struct vfsmount
*mnt
, struct path
*path
)
295 return security_ops
->sb_check_sb(mnt
, path
);
298 int security_sb_umount(struct vfsmount
*mnt
, int flags
)
300 return security_ops
->sb_umount(mnt
, flags
);
303 void security_sb_umount_close(struct vfsmount
*mnt
)
305 security_ops
->sb_umount_close(mnt
);
308 void security_sb_umount_busy(struct vfsmount
*mnt
)
310 security_ops
->sb_umount_busy(mnt
);
313 void security_sb_post_remount(struct vfsmount
*mnt
, unsigned long flags
, void *data
)
315 security_ops
->sb_post_remount(mnt
, flags
, data
);
318 void security_sb_post_addmount(struct vfsmount
*mnt
, struct path
*mountpoint
)
320 security_ops
->sb_post_addmount(mnt
, mountpoint
);
323 int security_sb_pivotroot(struct path
*old_path
, struct path
*new_path
)
325 return security_ops
->sb_pivotroot(old_path
, new_path
);
328 void security_sb_post_pivotroot(struct path
*old_path
, struct path
*new_path
)
330 security_ops
->sb_post_pivotroot(old_path
, new_path
);
333 int security_sb_set_mnt_opts(struct super_block
*sb
,
334 struct security_mnt_opts
*opts
)
336 return security_ops
->sb_set_mnt_opts(sb
, opts
);
338 EXPORT_SYMBOL(security_sb_set_mnt_opts
);
340 void security_sb_clone_mnt_opts(const struct super_block
*oldsb
,
341 struct super_block
*newsb
)
343 security_ops
->sb_clone_mnt_opts(oldsb
, newsb
);
345 EXPORT_SYMBOL(security_sb_clone_mnt_opts
);
347 int security_sb_parse_opts_str(char *options
, struct security_mnt_opts
*opts
)
349 return security_ops
->sb_parse_opts_str(options
, opts
);
351 EXPORT_SYMBOL(security_sb_parse_opts_str
);
353 int security_inode_alloc(struct inode
*inode
)
355 inode
->i_security
= NULL
;
356 return security_ops
->inode_alloc_security(inode
);
359 void security_inode_free(struct inode
*inode
)
361 security_ops
->inode_free_security(inode
);
364 int security_inode_init_security(struct inode
*inode
, struct inode
*dir
,
365 char **name
, void **value
, size_t *len
)
367 if (unlikely(IS_PRIVATE(inode
)))
369 return security_ops
->inode_init_security(inode
, dir
, name
, value
, len
);
371 EXPORT_SYMBOL(security_inode_init_security
);
373 #ifdef CONFIG_SECURITY_PATH
374 int security_path_mknod(struct path
*path
, struct dentry
*dentry
, int mode
,
377 if (unlikely(IS_PRIVATE(path
->dentry
->d_inode
)))
379 return security_ops
->path_mknod(path
, dentry
, mode
, dev
);
381 EXPORT_SYMBOL(security_path_mknod
);
383 int security_path_mkdir(struct path
*path
, struct dentry
*dentry
, int mode
)
385 if (unlikely(IS_PRIVATE(path
->dentry
->d_inode
)))
387 return security_ops
->path_mkdir(path
, dentry
, mode
);
390 int security_path_rmdir(struct path
*path
, struct dentry
*dentry
)
392 if (unlikely(IS_PRIVATE(path
->dentry
->d_inode
)))
394 return security_ops
->path_rmdir(path
, dentry
);
397 int security_path_unlink(struct path
*path
, struct dentry
*dentry
)
399 if (unlikely(IS_PRIVATE(path
->dentry
->d_inode
)))
401 return security_ops
->path_unlink(path
, dentry
);
404 int security_path_symlink(struct path
*path
, struct dentry
*dentry
,
405 const char *old_name
)
407 if (unlikely(IS_PRIVATE(path
->dentry
->d_inode
)))
409 return security_ops
->path_symlink(path
, dentry
, old_name
);
412 int security_path_link(struct dentry
*old_dentry
, struct path
*new_dir
,
413 struct dentry
*new_dentry
)
415 if (unlikely(IS_PRIVATE(old_dentry
->d_inode
)))
417 return security_ops
->path_link(old_dentry
, new_dir
, new_dentry
);
420 int security_path_rename(struct path
*old_dir
, struct dentry
*old_dentry
,
421 struct path
*new_dir
, struct dentry
*new_dentry
)
423 if (unlikely(IS_PRIVATE(old_dentry
->d_inode
) ||
424 (new_dentry
->d_inode
&& IS_PRIVATE(new_dentry
->d_inode
))))
426 return security_ops
->path_rename(old_dir
, old_dentry
, new_dir
,
430 int security_path_truncate(struct path
*path
, loff_t length
,
431 unsigned int time_attrs
)
433 if (unlikely(IS_PRIVATE(path
->dentry
->d_inode
)))
435 return security_ops
->path_truncate(path
, length
, time_attrs
);
438 int security_path_chmod(struct dentry
*dentry
, struct vfsmount
*mnt
,
441 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
443 return security_ops
->path_chmod(dentry
, mnt
, mode
);
446 int security_path_chown(struct path
*path
, uid_t uid
, gid_t gid
)
448 if (unlikely(IS_PRIVATE(path
->dentry
->d_inode
)))
450 return security_ops
->path_chown(path
, uid
, gid
);
453 int security_path_chroot(struct path
*path
)
455 return security_ops
->path_chroot(path
);
459 int security_inode_create(struct inode
*dir
, struct dentry
*dentry
, int mode
)
461 if (unlikely(IS_PRIVATE(dir
)))
463 return security_ops
->inode_create(dir
, dentry
, mode
);
465 EXPORT_SYMBOL_GPL(security_inode_create
);
467 int security_inode_link(struct dentry
*old_dentry
, struct inode
*dir
,
468 struct dentry
*new_dentry
)
470 if (unlikely(IS_PRIVATE(old_dentry
->d_inode
)))
472 return security_ops
->inode_link(old_dentry
, dir
, new_dentry
);
475 int security_inode_unlink(struct inode
*dir
, struct dentry
*dentry
)
477 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
479 return security_ops
->inode_unlink(dir
, dentry
);
482 int security_inode_symlink(struct inode
*dir
, struct dentry
*dentry
,
483 const char *old_name
)
485 if (unlikely(IS_PRIVATE(dir
)))
487 return security_ops
->inode_symlink(dir
, dentry
, old_name
);
490 int security_inode_mkdir(struct inode
*dir
, struct dentry
*dentry
, int mode
)
492 if (unlikely(IS_PRIVATE(dir
)))
494 return security_ops
->inode_mkdir(dir
, dentry
, mode
);
496 EXPORT_SYMBOL_GPL(security_inode_mkdir
);
498 int security_inode_rmdir(struct inode
*dir
, struct dentry
*dentry
)
500 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
502 return security_ops
->inode_rmdir(dir
, dentry
);
505 int security_inode_mknod(struct inode
*dir
, struct dentry
*dentry
, int mode
, dev_t dev
)
507 if (unlikely(IS_PRIVATE(dir
)))
509 return security_ops
->inode_mknod(dir
, dentry
, mode
, dev
);
512 int security_inode_rename(struct inode
*old_dir
, struct dentry
*old_dentry
,
513 struct inode
*new_dir
, struct dentry
*new_dentry
)
515 if (unlikely(IS_PRIVATE(old_dentry
->d_inode
) ||
516 (new_dentry
->d_inode
&& IS_PRIVATE(new_dentry
->d_inode
))))
518 return security_ops
->inode_rename(old_dir
, old_dentry
,
519 new_dir
, new_dentry
);
522 int security_inode_readlink(struct dentry
*dentry
)
524 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
526 return security_ops
->inode_readlink(dentry
);
529 int security_inode_follow_link(struct dentry
*dentry
, struct nameidata
*nd
)
531 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
533 return security_ops
->inode_follow_link(dentry
, nd
);
536 int security_inode_permission(struct inode
*inode
, int mask
)
538 if (unlikely(IS_PRIVATE(inode
)))
540 return security_ops
->inode_permission(inode
, mask
);
543 int security_inode_setattr(struct dentry
*dentry
, struct iattr
*attr
)
545 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
547 return security_ops
->inode_setattr(dentry
, attr
);
549 EXPORT_SYMBOL_GPL(security_inode_setattr
);
551 int security_inode_getattr(struct vfsmount
*mnt
, struct dentry
*dentry
)
553 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
555 return security_ops
->inode_getattr(mnt
, dentry
);
558 void security_inode_delete(struct inode
*inode
)
560 if (unlikely(IS_PRIVATE(inode
)))
562 security_ops
->inode_delete(inode
);
565 int security_inode_setxattr(struct dentry
*dentry
, const char *name
,
566 const void *value
, size_t size
, int flags
)
568 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
570 return security_ops
->inode_setxattr(dentry
, name
, value
, size
, flags
);
573 void security_inode_post_setxattr(struct dentry
*dentry
, const char *name
,
574 const void *value
, size_t size
, int flags
)
576 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
578 security_ops
->inode_post_setxattr(dentry
, name
, value
, size
, flags
);
581 int security_inode_getxattr(struct dentry
*dentry
, const char *name
)
583 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
585 return security_ops
->inode_getxattr(dentry
, name
);
588 int security_inode_listxattr(struct dentry
*dentry
)
590 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
592 return security_ops
->inode_listxattr(dentry
);
595 int security_inode_removexattr(struct dentry
*dentry
, const char *name
)
597 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
599 return security_ops
->inode_removexattr(dentry
, name
);
602 int security_inode_need_killpriv(struct dentry
*dentry
)
604 return security_ops
->inode_need_killpriv(dentry
);
607 int security_inode_killpriv(struct dentry
*dentry
)
609 return security_ops
->inode_killpriv(dentry
);
612 int security_inode_getsecurity(const struct inode
*inode
, const char *name
, void **buffer
, bool alloc
)
614 if (unlikely(IS_PRIVATE(inode
)))
616 return security_ops
->inode_getsecurity(inode
, name
, buffer
, alloc
);
619 int security_inode_setsecurity(struct inode
*inode
, const char *name
, const void *value
, size_t size
, int flags
)
621 if (unlikely(IS_PRIVATE(inode
)))
623 return security_ops
->inode_setsecurity(inode
, name
, value
, size
, flags
);
626 int security_inode_listsecurity(struct inode
*inode
, char *buffer
, size_t buffer_size
)
628 if (unlikely(IS_PRIVATE(inode
)))
630 return security_ops
->inode_listsecurity(inode
, buffer
, buffer_size
);
633 void security_inode_getsecid(const struct inode
*inode
, u32
*secid
)
635 security_ops
->inode_getsecid(inode
, secid
);
638 int security_file_permission(struct file
*file
, int mask
)
640 return security_ops
->file_permission(file
, mask
);
643 int security_file_alloc(struct file
*file
)
645 return security_ops
->file_alloc_security(file
);
648 void security_file_free(struct file
*file
)
650 security_ops
->file_free_security(file
);
653 int security_file_ioctl(struct file
*file
, unsigned int cmd
, unsigned long arg
)
655 return security_ops
->file_ioctl(file
, cmd
, arg
);
658 int security_file_mmap(struct file
*file
, unsigned long reqprot
,
659 unsigned long prot
, unsigned long flags
,
660 unsigned long addr
, unsigned long addr_only
)
662 return security_ops
->file_mmap(file
, reqprot
, prot
, flags
, addr
, addr_only
);
665 int security_file_mprotect(struct vm_area_struct
*vma
, unsigned long reqprot
,
668 return security_ops
->file_mprotect(vma
, reqprot
, prot
);
671 int security_file_lock(struct file
*file
, unsigned int cmd
)
673 return security_ops
->file_lock(file
, cmd
);
676 int security_file_fcntl(struct file
*file
, unsigned int cmd
, unsigned long arg
)
678 return security_ops
->file_fcntl(file
, cmd
, arg
);
681 int security_file_set_fowner(struct file
*file
)
683 return security_ops
->file_set_fowner(file
);
686 int security_file_send_sigiotask(struct task_struct
*tsk
,
687 struct fown_struct
*fown
, int sig
)
689 return security_ops
->file_send_sigiotask(tsk
, fown
, sig
);
692 int security_file_receive(struct file
*file
)
694 return security_ops
->file_receive(file
);
697 int security_dentry_open(struct file
*file
, const struct cred
*cred
)
699 return security_ops
->dentry_open(file
, cred
);
702 int security_task_create(unsigned long clone_flags
)
704 return security_ops
->task_create(clone_flags
);
707 int security_cred_alloc_blank(struct cred
*cred
, gfp_t gfp
)
709 return security_ops
->cred_alloc_blank(cred
, gfp
);
712 void security_cred_free(struct cred
*cred
)
714 security_ops
->cred_free(cred
);
717 int security_prepare_creds(struct cred
*new, const struct cred
*old
, gfp_t gfp
)
719 return security_ops
->cred_prepare(new, old
, gfp
);
722 void security_commit_creds(struct cred
*new, const struct cred
*old
)
724 security_ops
->cred_commit(new, old
);
727 void security_transfer_creds(struct cred
*new, const struct cred
*old
)
729 security_ops
->cred_transfer(new, old
);
732 int security_kernel_act_as(struct cred
*new, u32 secid
)
734 return security_ops
->kernel_act_as(new, secid
);
737 int security_kernel_create_files_as(struct cred
*new, struct inode
*inode
)
739 return security_ops
->kernel_create_files_as(new, inode
);
742 int security_kernel_module_request(void)
744 return security_ops
->kernel_module_request();
747 int security_task_setuid(uid_t id0
, uid_t id1
, uid_t id2
, int flags
)
749 return security_ops
->task_setuid(id0
, id1
, id2
, flags
);
752 int security_task_fix_setuid(struct cred
*new, const struct cred
*old
,
755 return security_ops
->task_fix_setuid(new, old
, flags
);
758 int security_task_setgid(gid_t id0
, gid_t id1
, gid_t id2
, int flags
)
760 return security_ops
->task_setgid(id0
, id1
, id2
, flags
);
763 int security_task_setpgid(struct task_struct
*p
, pid_t pgid
)
765 return security_ops
->task_setpgid(p
, pgid
);
768 int security_task_getpgid(struct task_struct
*p
)
770 return security_ops
->task_getpgid(p
);
773 int security_task_getsid(struct task_struct
*p
)
775 return security_ops
->task_getsid(p
);
778 void security_task_getsecid(struct task_struct
*p
, u32
*secid
)
780 security_ops
->task_getsecid(p
, secid
);
782 EXPORT_SYMBOL(security_task_getsecid
);
784 int security_task_setgroups(struct group_info
*group_info
)
786 return security_ops
->task_setgroups(group_info
);
789 int security_task_setnice(struct task_struct
*p
, int nice
)
791 return security_ops
->task_setnice(p
, nice
);
794 int security_task_setioprio(struct task_struct
*p
, int ioprio
)
796 return security_ops
->task_setioprio(p
, ioprio
);
799 int security_task_getioprio(struct task_struct
*p
)
801 return security_ops
->task_getioprio(p
);
804 int security_task_setrlimit(unsigned int resource
, struct rlimit
*new_rlim
)
806 return security_ops
->task_setrlimit(resource
, new_rlim
);
809 int security_task_setscheduler(struct task_struct
*p
,
810 int policy
, struct sched_param
*lp
)
812 return security_ops
->task_setscheduler(p
, policy
, lp
);
815 int security_task_getscheduler(struct task_struct
*p
)
817 return security_ops
->task_getscheduler(p
);
820 int security_task_movememory(struct task_struct
*p
)
822 return security_ops
->task_movememory(p
);
825 int security_task_kill(struct task_struct
*p
, struct siginfo
*info
,
828 return security_ops
->task_kill(p
, info
, sig
, secid
);
831 int security_task_wait(struct task_struct
*p
)
833 return security_ops
->task_wait(p
);
836 int security_task_prctl(int option
, unsigned long arg2
, unsigned long arg3
,
837 unsigned long arg4
, unsigned long arg5
)
839 return security_ops
->task_prctl(option
, arg2
, arg3
, arg4
, arg5
);
842 void security_task_to_inode(struct task_struct
*p
, struct inode
*inode
)
844 security_ops
->task_to_inode(p
, inode
);
847 int security_ipc_permission(struct kern_ipc_perm
*ipcp
, short flag
)
849 return security_ops
->ipc_permission(ipcp
, flag
);
852 void security_ipc_getsecid(struct kern_ipc_perm
*ipcp
, u32
*secid
)
854 security_ops
->ipc_getsecid(ipcp
, secid
);
857 int security_msg_msg_alloc(struct msg_msg
*msg
)
859 return security_ops
->msg_msg_alloc_security(msg
);
862 void security_msg_msg_free(struct msg_msg
*msg
)
864 security_ops
->msg_msg_free_security(msg
);
867 int security_msg_queue_alloc(struct msg_queue
*msq
)
869 return security_ops
->msg_queue_alloc_security(msq
);
872 void security_msg_queue_free(struct msg_queue
*msq
)
874 security_ops
->msg_queue_free_security(msq
);
877 int security_msg_queue_associate(struct msg_queue
*msq
, int msqflg
)
879 return security_ops
->msg_queue_associate(msq
, msqflg
);
882 int security_msg_queue_msgctl(struct msg_queue
*msq
, int cmd
)
884 return security_ops
->msg_queue_msgctl(msq
, cmd
);
887 int security_msg_queue_msgsnd(struct msg_queue
*msq
,
888 struct msg_msg
*msg
, int msqflg
)
890 return security_ops
->msg_queue_msgsnd(msq
, msg
, msqflg
);
893 int security_msg_queue_msgrcv(struct msg_queue
*msq
, struct msg_msg
*msg
,
894 struct task_struct
*target
, long type
, int mode
)
896 return security_ops
->msg_queue_msgrcv(msq
, msg
, target
, type
, mode
);
899 int security_shm_alloc(struct shmid_kernel
*shp
)
901 return security_ops
->shm_alloc_security(shp
);
904 void security_shm_free(struct shmid_kernel
*shp
)
906 security_ops
->shm_free_security(shp
);
909 int security_shm_associate(struct shmid_kernel
*shp
, int shmflg
)
911 return security_ops
->shm_associate(shp
, shmflg
);
914 int security_shm_shmctl(struct shmid_kernel
*shp
, int cmd
)
916 return security_ops
->shm_shmctl(shp
, cmd
);
919 int security_shm_shmat(struct shmid_kernel
*shp
, char __user
*shmaddr
, int shmflg
)
921 return security_ops
->shm_shmat(shp
, shmaddr
, shmflg
);
924 int security_sem_alloc(struct sem_array
*sma
)
926 return security_ops
->sem_alloc_security(sma
);
929 void security_sem_free(struct sem_array
*sma
)
931 security_ops
->sem_free_security(sma
);
934 int security_sem_associate(struct sem_array
*sma
, int semflg
)
936 return security_ops
->sem_associate(sma
, semflg
);
939 int security_sem_semctl(struct sem_array
*sma
, int cmd
)
941 return security_ops
->sem_semctl(sma
, cmd
);
944 int security_sem_semop(struct sem_array
*sma
, struct sembuf
*sops
,
945 unsigned nsops
, int alter
)
947 return security_ops
->sem_semop(sma
, sops
, nsops
, alter
);
950 void security_d_instantiate(struct dentry
*dentry
, struct inode
*inode
)
952 if (unlikely(inode
&& IS_PRIVATE(inode
)))
954 security_ops
->d_instantiate(dentry
, inode
);
956 EXPORT_SYMBOL(security_d_instantiate
);
958 int security_getprocattr(struct task_struct
*p
, char *name
, char **value
)
960 return security_ops
->getprocattr(p
, name
, value
);
963 int security_setprocattr(struct task_struct
*p
, char *name
, void *value
, size_t size
)
965 return security_ops
->setprocattr(p
, name
, value
, size
);
968 int security_netlink_send(struct sock
*sk
, struct sk_buff
*skb
)
970 return security_ops
->netlink_send(sk
, skb
);
973 int security_netlink_recv(struct sk_buff
*skb
, int cap
)
975 return security_ops
->netlink_recv(skb
, cap
);
977 EXPORT_SYMBOL(security_netlink_recv
);
979 int security_secid_to_secctx(u32 secid
, char **secdata
, u32
*seclen
)
981 return security_ops
->secid_to_secctx(secid
, secdata
, seclen
);
983 EXPORT_SYMBOL(security_secid_to_secctx
);
985 int security_secctx_to_secid(const char *secdata
, u32 seclen
, u32
*secid
)
987 return security_ops
->secctx_to_secid(secdata
, seclen
, secid
);
989 EXPORT_SYMBOL(security_secctx_to_secid
);
991 void security_release_secctx(char *secdata
, u32 seclen
)
993 security_ops
->release_secctx(secdata
, seclen
);
995 EXPORT_SYMBOL(security_release_secctx
);
997 int security_inode_notifysecctx(struct inode
*inode
, void *ctx
, u32 ctxlen
)
999 return security_ops
->inode_notifysecctx(inode
, ctx
, ctxlen
);
1001 EXPORT_SYMBOL(security_inode_notifysecctx
);
1003 int security_inode_setsecctx(struct dentry
*dentry
, void *ctx
, u32 ctxlen
)
1005 return security_ops
->inode_setsecctx(dentry
, ctx
, ctxlen
);
1007 EXPORT_SYMBOL(security_inode_setsecctx
);
1009 int security_inode_getsecctx(struct inode
*inode
, void **ctx
, u32
*ctxlen
)
1011 return security_ops
->inode_getsecctx(inode
, ctx
, ctxlen
);
1013 EXPORT_SYMBOL(security_inode_getsecctx
);
1015 #ifdef CONFIG_SECURITY_NETWORK
1017 int security_unix_stream_connect(struct socket
*sock
, struct socket
*other
,
1020 return security_ops
->unix_stream_connect(sock
, other
, newsk
);
1022 EXPORT_SYMBOL(security_unix_stream_connect
);
1024 int security_unix_may_send(struct socket
*sock
, struct socket
*other
)
1026 return security_ops
->unix_may_send(sock
, other
);
1028 EXPORT_SYMBOL(security_unix_may_send
);
1030 int security_socket_create(int family
, int type
, int protocol
, int kern
)
1032 return security_ops
->socket_create(family
, type
, protocol
, kern
);
1035 int security_socket_post_create(struct socket
*sock
, int family
,
1036 int type
, int protocol
, int kern
)
1038 return security_ops
->socket_post_create(sock
, family
, type
,
1042 int security_socket_bind(struct socket
*sock
, struct sockaddr
*address
, int addrlen
)
1044 return security_ops
->socket_bind(sock
, address
, addrlen
);
1047 int security_socket_connect(struct socket
*sock
, struct sockaddr
*address
, int addrlen
)
1049 return security_ops
->socket_connect(sock
, address
, addrlen
);
1052 int security_socket_listen(struct socket
*sock
, int backlog
)
1054 return security_ops
->socket_listen(sock
, backlog
);
1057 int security_socket_accept(struct socket
*sock
, struct socket
*newsock
)
1059 return security_ops
->socket_accept(sock
, newsock
);
1062 int security_socket_sendmsg(struct socket
*sock
, struct msghdr
*msg
, int size
)
1064 return security_ops
->socket_sendmsg(sock
, msg
, size
);
1067 int security_socket_recvmsg(struct socket
*sock
, struct msghdr
*msg
,
1068 int size
, int flags
)
1070 return security_ops
->socket_recvmsg(sock
, msg
, size
, flags
);
1073 int security_socket_getsockname(struct socket
*sock
)
1075 return security_ops
->socket_getsockname(sock
);
1078 int security_socket_getpeername(struct socket
*sock
)
1080 return security_ops
->socket_getpeername(sock
);
1083 int security_socket_getsockopt(struct socket
*sock
, int level
, int optname
)
1085 return security_ops
->socket_getsockopt(sock
, level
, optname
);
1088 int security_socket_setsockopt(struct socket
*sock
, int level
, int optname
)
1090 return security_ops
->socket_setsockopt(sock
, level
, optname
);
1093 int security_socket_shutdown(struct socket
*sock
, int how
)
1095 return security_ops
->socket_shutdown(sock
, how
);
1098 int security_sock_rcv_skb(struct sock
*sk
, struct sk_buff
*skb
)
1100 return security_ops
->socket_sock_rcv_skb(sk
, skb
);
1102 EXPORT_SYMBOL(security_sock_rcv_skb
);
1104 int security_socket_getpeersec_stream(struct socket
*sock
, char __user
*optval
,
1105 int __user
*optlen
, unsigned len
)
1107 return security_ops
->socket_getpeersec_stream(sock
, optval
, optlen
, len
);
1110 int security_socket_getpeersec_dgram(struct socket
*sock
, struct sk_buff
*skb
, u32
*secid
)
1112 return security_ops
->socket_getpeersec_dgram(sock
, skb
, secid
);
1114 EXPORT_SYMBOL(security_socket_getpeersec_dgram
);
1116 int security_sk_alloc(struct sock
*sk
, int family
, gfp_t priority
)
1118 return security_ops
->sk_alloc_security(sk
, family
, priority
);
1121 void security_sk_free(struct sock
*sk
)
1123 security_ops
->sk_free_security(sk
);
1126 void security_sk_clone(const struct sock
*sk
, struct sock
*newsk
)
1128 security_ops
->sk_clone_security(sk
, newsk
);
1131 void security_sk_classify_flow(struct sock
*sk
, struct flowi
*fl
)
1133 security_ops
->sk_getsecid(sk
, &fl
->secid
);
1135 EXPORT_SYMBOL(security_sk_classify_flow
);
1137 void security_req_classify_flow(const struct request_sock
*req
, struct flowi
*fl
)
1139 security_ops
->req_classify_flow(req
, fl
);
1141 EXPORT_SYMBOL(security_req_classify_flow
);
1143 void security_sock_graft(struct sock
*sk
, struct socket
*parent
)
1145 security_ops
->sock_graft(sk
, parent
);
1147 EXPORT_SYMBOL(security_sock_graft
);
1149 int security_inet_conn_request(struct sock
*sk
,
1150 struct sk_buff
*skb
, struct request_sock
*req
)
1152 return security_ops
->inet_conn_request(sk
, skb
, req
);
1154 EXPORT_SYMBOL(security_inet_conn_request
);
1156 void security_inet_csk_clone(struct sock
*newsk
,
1157 const struct request_sock
*req
)
1159 security_ops
->inet_csk_clone(newsk
, req
);
1162 void security_inet_conn_established(struct sock
*sk
,
1163 struct sk_buff
*skb
)
1165 security_ops
->inet_conn_established(sk
, skb
);
1168 int security_tun_dev_create(void)
1170 return security_ops
->tun_dev_create();
1172 EXPORT_SYMBOL(security_tun_dev_create
);
1174 void security_tun_dev_post_create(struct sock
*sk
)
1176 return security_ops
->tun_dev_post_create(sk
);
1178 EXPORT_SYMBOL(security_tun_dev_post_create
);
1180 int security_tun_dev_attach(struct sock
*sk
)
1182 return security_ops
->tun_dev_attach(sk
);
1184 EXPORT_SYMBOL(security_tun_dev_attach
);
1186 #endif /* CONFIG_SECURITY_NETWORK */
1188 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1190 int security_xfrm_policy_alloc(struct xfrm_sec_ctx
**ctxp
, struct xfrm_user_sec_ctx
*sec_ctx
)
1192 return security_ops
->xfrm_policy_alloc_security(ctxp
, sec_ctx
);
1194 EXPORT_SYMBOL(security_xfrm_policy_alloc
);
1196 int security_xfrm_policy_clone(struct xfrm_sec_ctx
*old_ctx
,
1197 struct xfrm_sec_ctx
**new_ctxp
)
1199 return security_ops
->xfrm_policy_clone_security(old_ctx
, new_ctxp
);
1202 void security_xfrm_policy_free(struct xfrm_sec_ctx
*ctx
)
1204 security_ops
->xfrm_policy_free_security(ctx
);
1206 EXPORT_SYMBOL(security_xfrm_policy_free
);
1208 int security_xfrm_policy_delete(struct xfrm_sec_ctx
*ctx
)
1210 return security_ops
->xfrm_policy_delete_security(ctx
);
1213 int security_xfrm_state_alloc(struct xfrm_state
*x
, struct xfrm_user_sec_ctx
*sec_ctx
)
1215 return security_ops
->xfrm_state_alloc_security(x
, sec_ctx
, 0);
1217 EXPORT_SYMBOL(security_xfrm_state_alloc
);
1219 int security_xfrm_state_alloc_acquire(struct xfrm_state
*x
,
1220 struct xfrm_sec_ctx
*polsec
, u32 secid
)
1225 * We want the context to be taken from secid which is usually
1228 return security_ops
->xfrm_state_alloc_security(x
, NULL
, secid
);
1231 int security_xfrm_state_delete(struct xfrm_state
*x
)
1233 return security_ops
->xfrm_state_delete_security(x
);
1235 EXPORT_SYMBOL(security_xfrm_state_delete
);
1237 void security_xfrm_state_free(struct xfrm_state
*x
)
1239 security_ops
->xfrm_state_free_security(x
);
1242 int security_xfrm_policy_lookup(struct xfrm_sec_ctx
*ctx
, u32 fl_secid
, u8 dir
)
1244 return security_ops
->xfrm_policy_lookup(ctx
, fl_secid
, dir
);
1247 int security_xfrm_state_pol_flow_match(struct xfrm_state
*x
,
1248 struct xfrm_policy
*xp
, struct flowi
*fl
)
1250 return security_ops
->xfrm_state_pol_flow_match(x
, xp
, fl
);
1253 int security_xfrm_decode_session(struct sk_buff
*skb
, u32
*secid
)
1255 return security_ops
->xfrm_decode_session(skb
, secid
, 1);
1258 void security_skb_classify_flow(struct sk_buff
*skb
, struct flowi
*fl
)
1260 int rc
= security_ops
->xfrm_decode_session(skb
, &fl
->secid
, 0);
1264 EXPORT_SYMBOL(security_skb_classify_flow
);
1266 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1270 int security_key_alloc(struct key
*key
, const struct cred
*cred
,
1271 unsigned long flags
)
1273 return security_ops
->key_alloc(key
, cred
, flags
);
1276 void security_key_free(struct key
*key
)
1278 security_ops
->key_free(key
);
1281 int security_key_permission(key_ref_t key_ref
,
1282 const struct cred
*cred
, key_perm_t perm
)
1284 return security_ops
->key_permission(key_ref
, cred
, perm
);
1287 int security_key_getsecurity(struct key
*key
, char **_buffer
)
1289 return security_ops
->key_getsecurity(key
, _buffer
);
1292 int security_key_session_to_parent(const struct cred
*cred
,
1293 const struct cred
*parent_cred
,
1296 return security_ops
->key_session_to_parent(cred
, parent_cred
, key
);
1299 #endif /* CONFIG_KEYS */
1303 int security_audit_rule_init(u32 field
, u32 op
, char *rulestr
, void **lsmrule
)
1305 return security_ops
->audit_rule_init(field
, op
, rulestr
, lsmrule
);
1308 int security_audit_rule_known(struct audit_krule
*krule
)
1310 return security_ops
->audit_rule_known(krule
);
1313 void security_audit_rule_free(void *lsmrule
)
1315 security_ops
->audit_rule_free(lsmrule
);
1318 int security_audit_rule_match(u32 secid
, u32 field
, u32 op
, void *lsmrule
,
1319 struct audit_context
*actx
)
1321 return security_ops
->audit_rule_match(secid
, field
, op
, lsmrule
, actx
);
1324 #endif /* CONFIG_AUDIT */