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>
19 #include <linux/ima.h>
21 /* Boot-time LSM user choice */
22 static __initdata
char chosen_lsm
[SECURITY_NAME_MAX
+ 1] =
23 CONFIG_DEFAULT_SECURITY
;
25 /* things that live in capability.c */
26 extern void security_fixup_ops(struct security_operations
*ops
);
28 static struct security_operations
*security_ops
;
29 static struct security_operations default_security_ops
= {
33 static inline int verify(struct security_operations
*ops
)
35 /* verify the security_operations structure exists */
38 security_fixup_ops(ops
);
42 static void __init
do_security_initcalls(void)
45 call
= __security_initcall_start
;
46 while (call
< __security_initcall_end
) {
53 * security_init - initializes the security framework
55 * This should be called early in the kernel initialization sequence.
57 int __init
security_init(void)
59 printk(KERN_INFO
"Security Framework initialized\n");
61 security_fixup_ops(&default_security_ops
);
62 security_ops
= &default_security_ops
;
63 do_security_initcalls();
68 void reset_security_ops(void)
70 security_ops
= &default_security_ops
;
73 /* Save user chosen LSM */
74 static int __init
choose_lsm(char *str
)
76 strncpy(chosen_lsm
, str
, SECURITY_NAME_MAX
);
79 __setup("security=", choose_lsm
);
82 * security_module_enable - Load given security module on boot ?
83 * @ops: a pointer to the struct security_operations that is to be checked.
85 * Each LSM must pass this method before registering its own operations
86 * to avoid security registration races. This method may also be used
87 * to check if your LSM is currently loaded during kernel initialization.
90 * -The passed LSM is the one chosen by user at boot time,
91 * -or the passed LSM is configured as the default and the user did not
92 * choose an alternate LSM at boot time,
93 * -or there is no default LSM set and the user didn't specify a
94 * specific LSM and we're the first to ask for registration permission,
95 * -or the passed LSM is currently loaded.
96 * Otherwise, return false.
98 int __init
security_module_enable(struct security_operations
*ops
)
101 strncpy(chosen_lsm
, ops
->name
, SECURITY_NAME_MAX
);
102 else if (strncmp(ops
->name
, chosen_lsm
, SECURITY_NAME_MAX
))
109 * register_security - registers a security framework with the kernel
110 * @ops: a pointer to the struct security_options that is to be registered
112 * This function allows a security module to register itself with the
113 * kernel security subsystem. Some rudimentary checking is done on the @ops
114 * value passed to this function. You'll need to check first if your LSM
115 * is allowed to register its @ops by calling security_module_enable(@ops).
117 * If there is already a security module registered with the kernel,
118 * an error will be returned. Otherwise %0 is returned on success.
120 int register_security(struct security_operations
*ops
)
123 printk(KERN_DEBUG
"%s could not verify "
124 "security_operations structure.\n", __func__
);
128 if (security_ops
!= &default_security_ops
)
136 /* Security operations */
138 int security_ptrace_access_check(struct task_struct
*child
, unsigned int mode
)
140 return security_ops
->ptrace_access_check(child
, mode
);
143 int security_ptrace_traceme(struct task_struct
*parent
)
145 return security_ops
->ptrace_traceme(parent
);
148 int security_capget(struct task_struct
*target
,
149 kernel_cap_t
*effective
,
150 kernel_cap_t
*inheritable
,
151 kernel_cap_t
*permitted
)
153 return security_ops
->capget(target
, effective
, inheritable
, permitted
);
156 int security_capset(struct cred
*new, const struct cred
*old
,
157 const kernel_cap_t
*effective
,
158 const kernel_cap_t
*inheritable
,
159 const kernel_cap_t
*permitted
)
161 return security_ops
->capset(new, old
,
162 effective
, inheritable
, permitted
);
165 int security_capable(int cap
)
167 return security_ops
->capable(current
, current_cred(), cap
,
171 int security_real_capable(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_AUDIT
);
182 int security_real_capable_noaudit(struct task_struct
*tsk
, int cap
)
184 const struct cred
*cred
;
187 cred
= get_task_cred(tsk
);
188 ret
= security_ops
->capable(tsk
, cred
, cap
, SECURITY_CAP_NOAUDIT
);
193 int security_acct(struct file
*file
)
195 return security_ops
->acct(file
);
198 int security_sysctl(struct ctl_table
*table
, int op
)
200 return security_ops
->sysctl(table
, op
);
203 int security_quotactl(int cmds
, int type
, int id
, struct super_block
*sb
)
205 return security_ops
->quotactl(cmds
, type
, id
, sb
);
208 int security_quota_on(struct dentry
*dentry
)
210 return security_ops
->quota_on(dentry
);
213 int security_syslog(int type
, bool from_file
)
215 return security_ops
->syslog(type
, from_file
);
218 int security_settime(struct timespec
*ts
, struct timezone
*tz
)
220 return security_ops
->settime(ts
, tz
);
223 int security_vm_enough_memory(long pages
)
225 WARN_ON(current
->mm
== NULL
);
226 return security_ops
->vm_enough_memory(current
->mm
, pages
);
229 int security_vm_enough_memory_mm(struct mm_struct
*mm
, long pages
)
232 return security_ops
->vm_enough_memory(mm
, pages
);
235 int security_vm_enough_memory_kern(long pages
)
237 /* If current->mm is a kernel thread then we will pass NULL,
238 for this specific case that is fine */
239 return security_ops
->vm_enough_memory(current
->mm
, pages
);
242 int security_bprm_set_creds(struct linux_binprm
*bprm
)
244 return security_ops
->bprm_set_creds(bprm
);
247 int security_bprm_check(struct linux_binprm
*bprm
)
251 ret
= security_ops
->bprm_check_security(bprm
);
254 return ima_bprm_check(bprm
);
257 void security_bprm_committing_creds(struct linux_binprm
*bprm
)
259 security_ops
->bprm_committing_creds(bprm
);
262 void security_bprm_committed_creds(struct linux_binprm
*bprm
)
264 security_ops
->bprm_committed_creds(bprm
);
267 int security_bprm_secureexec(struct linux_binprm
*bprm
)
269 return security_ops
->bprm_secureexec(bprm
);
272 int security_sb_alloc(struct super_block
*sb
)
274 return security_ops
->sb_alloc_security(sb
);
277 void security_sb_free(struct super_block
*sb
)
279 security_ops
->sb_free_security(sb
);
282 int security_sb_copy_data(char *orig
, char *copy
)
284 return security_ops
->sb_copy_data(orig
, copy
);
286 EXPORT_SYMBOL(security_sb_copy_data
);
288 int security_sb_kern_mount(struct super_block
*sb
, int flags
, void *data
)
290 return security_ops
->sb_kern_mount(sb
, flags
, data
);
293 int security_sb_show_options(struct seq_file
*m
, struct super_block
*sb
)
295 return security_ops
->sb_show_options(m
, sb
);
298 int security_sb_statfs(struct dentry
*dentry
)
300 return security_ops
->sb_statfs(dentry
);
303 int security_sb_mount(char *dev_name
, struct path
*path
,
304 char *type
, unsigned long flags
, void *data
)
306 return security_ops
->sb_mount(dev_name
, path
, type
, flags
, data
);
309 int security_sb_check_sb(struct vfsmount
*mnt
, struct path
*path
)
311 return security_ops
->sb_check_sb(mnt
, path
);
314 int security_sb_umount(struct vfsmount
*mnt
, int flags
)
316 return security_ops
->sb_umount(mnt
, flags
);
319 void security_sb_umount_close(struct vfsmount
*mnt
)
321 security_ops
->sb_umount_close(mnt
);
324 void security_sb_umount_busy(struct vfsmount
*mnt
)
326 security_ops
->sb_umount_busy(mnt
);
329 void security_sb_post_remount(struct vfsmount
*mnt
, unsigned long flags
, void *data
)
331 security_ops
->sb_post_remount(mnt
, flags
, data
);
334 void security_sb_post_addmount(struct vfsmount
*mnt
, struct path
*mountpoint
)
336 security_ops
->sb_post_addmount(mnt
, mountpoint
);
339 int security_sb_pivotroot(struct path
*old_path
, struct path
*new_path
)
341 return security_ops
->sb_pivotroot(old_path
, new_path
);
344 void security_sb_post_pivotroot(struct path
*old_path
, struct path
*new_path
)
346 security_ops
->sb_post_pivotroot(old_path
, new_path
);
349 int security_sb_set_mnt_opts(struct super_block
*sb
,
350 struct security_mnt_opts
*opts
)
352 return security_ops
->sb_set_mnt_opts(sb
, opts
);
354 EXPORT_SYMBOL(security_sb_set_mnt_opts
);
356 void security_sb_clone_mnt_opts(const struct super_block
*oldsb
,
357 struct super_block
*newsb
)
359 security_ops
->sb_clone_mnt_opts(oldsb
, newsb
);
361 EXPORT_SYMBOL(security_sb_clone_mnt_opts
);
363 int security_sb_parse_opts_str(char *options
, struct security_mnt_opts
*opts
)
365 return security_ops
->sb_parse_opts_str(options
, opts
);
367 EXPORT_SYMBOL(security_sb_parse_opts_str
);
369 int security_inode_alloc(struct inode
*inode
)
373 inode
->i_security
= NULL
;
374 ret
= security_ops
->inode_alloc_security(inode
);
377 ret
= ima_inode_alloc(inode
);
379 security_inode_free(inode
);
383 void security_inode_free(struct inode
*inode
)
385 ima_inode_free(inode
);
386 security_ops
->inode_free_security(inode
);
389 int security_inode_init_security(struct inode
*inode
, struct inode
*dir
,
390 char **name
, void **value
, size_t *len
)
392 if (unlikely(IS_PRIVATE(inode
)))
394 return security_ops
->inode_init_security(inode
, dir
, name
, value
, len
);
396 EXPORT_SYMBOL(security_inode_init_security
);
398 #ifdef CONFIG_SECURITY_PATH
399 int security_path_mknod(struct path
*dir
, struct dentry
*dentry
, int mode
,
402 if (unlikely(IS_PRIVATE(dir
->dentry
->d_inode
)))
404 return security_ops
->path_mknod(dir
, dentry
, mode
, dev
);
406 EXPORT_SYMBOL(security_path_mknod
);
408 int security_path_mkdir(struct path
*dir
, struct dentry
*dentry
, int mode
)
410 if (unlikely(IS_PRIVATE(dir
->dentry
->d_inode
)))
412 return security_ops
->path_mkdir(dir
, dentry
, mode
);
415 int security_path_rmdir(struct path
*dir
, struct dentry
*dentry
)
417 if (unlikely(IS_PRIVATE(dir
->dentry
->d_inode
)))
419 return security_ops
->path_rmdir(dir
, dentry
);
422 int security_path_unlink(struct path
*dir
, struct dentry
*dentry
)
424 if (unlikely(IS_PRIVATE(dir
->dentry
->d_inode
)))
426 return security_ops
->path_unlink(dir
, dentry
);
429 int security_path_symlink(struct path
*dir
, struct dentry
*dentry
,
430 const char *old_name
)
432 if (unlikely(IS_PRIVATE(dir
->dentry
->d_inode
)))
434 return security_ops
->path_symlink(dir
, dentry
, old_name
);
437 int security_path_link(struct dentry
*old_dentry
, struct path
*new_dir
,
438 struct dentry
*new_dentry
)
440 if (unlikely(IS_PRIVATE(old_dentry
->d_inode
)))
442 return security_ops
->path_link(old_dentry
, new_dir
, new_dentry
);
445 int security_path_rename(struct path
*old_dir
, struct dentry
*old_dentry
,
446 struct path
*new_dir
, struct dentry
*new_dentry
)
448 if (unlikely(IS_PRIVATE(old_dentry
->d_inode
) ||
449 (new_dentry
->d_inode
&& IS_PRIVATE(new_dentry
->d_inode
))))
451 return security_ops
->path_rename(old_dir
, old_dentry
, new_dir
,
455 int security_path_truncate(struct path
*path
, loff_t length
,
456 unsigned int time_attrs
)
458 if (unlikely(IS_PRIVATE(path
->dentry
->d_inode
)))
460 return security_ops
->path_truncate(path
, length
, time_attrs
);
463 int security_path_chmod(struct dentry
*dentry
, struct vfsmount
*mnt
,
466 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
468 return security_ops
->path_chmod(dentry
, mnt
, mode
);
471 int security_path_chown(struct path
*path
, uid_t uid
, gid_t gid
)
473 if (unlikely(IS_PRIVATE(path
->dentry
->d_inode
)))
475 return security_ops
->path_chown(path
, uid
, gid
);
478 int security_path_chroot(struct path
*path
)
480 return security_ops
->path_chroot(path
);
484 int security_inode_create(struct inode
*dir
, struct dentry
*dentry
, int mode
)
486 if (unlikely(IS_PRIVATE(dir
)))
488 return security_ops
->inode_create(dir
, dentry
, mode
);
490 EXPORT_SYMBOL_GPL(security_inode_create
);
492 int security_inode_link(struct dentry
*old_dentry
, struct inode
*dir
,
493 struct dentry
*new_dentry
)
495 if (unlikely(IS_PRIVATE(old_dentry
->d_inode
)))
497 return security_ops
->inode_link(old_dentry
, dir
, new_dentry
);
500 int security_inode_unlink(struct inode
*dir
, struct dentry
*dentry
)
502 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
504 return security_ops
->inode_unlink(dir
, dentry
);
507 int security_inode_symlink(struct inode
*dir
, struct dentry
*dentry
,
508 const char *old_name
)
510 if (unlikely(IS_PRIVATE(dir
)))
512 return security_ops
->inode_symlink(dir
, dentry
, old_name
);
515 int security_inode_mkdir(struct inode
*dir
, struct dentry
*dentry
, int mode
)
517 if (unlikely(IS_PRIVATE(dir
)))
519 return security_ops
->inode_mkdir(dir
, dentry
, mode
);
521 EXPORT_SYMBOL_GPL(security_inode_mkdir
);
523 int security_inode_rmdir(struct inode
*dir
, struct dentry
*dentry
)
525 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
527 return security_ops
->inode_rmdir(dir
, dentry
);
530 int security_inode_mknod(struct inode
*dir
, struct dentry
*dentry
, int mode
, dev_t dev
)
532 if (unlikely(IS_PRIVATE(dir
)))
534 return security_ops
->inode_mknod(dir
, dentry
, mode
, dev
);
537 int security_inode_rename(struct inode
*old_dir
, struct dentry
*old_dentry
,
538 struct inode
*new_dir
, struct dentry
*new_dentry
)
540 if (unlikely(IS_PRIVATE(old_dentry
->d_inode
) ||
541 (new_dentry
->d_inode
&& IS_PRIVATE(new_dentry
->d_inode
))))
543 return security_ops
->inode_rename(old_dir
, old_dentry
,
544 new_dir
, new_dentry
);
547 int security_inode_readlink(struct dentry
*dentry
)
549 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
551 return security_ops
->inode_readlink(dentry
);
554 int security_inode_follow_link(struct dentry
*dentry
, struct nameidata
*nd
)
556 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
558 return security_ops
->inode_follow_link(dentry
, nd
);
561 int security_inode_permission(struct inode
*inode
, int mask
)
563 if (unlikely(IS_PRIVATE(inode
)))
565 return security_ops
->inode_permission(inode
, mask
);
568 int security_inode_setattr(struct dentry
*dentry
, struct iattr
*attr
)
570 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
572 return security_ops
->inode_setattr(dentry
, attr
);
574 EXPORT_SYMBOL_GPL(security_inode_setattr
);
576 int security_inode_getattr(struct vfsmount
*mnt
, struct dentry
*dentry
)
578 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
580 return security_ops
->inode_getattr(mnt
, dentry
);
583 void security_inode_delete(struct inode
*inode
)
585 if (unlikely(IS_PRIVATE(inode
)))
587 security_ops
->inode_delete(inode
);
590 int security_inode_setxattr(struct dentry
*dentry
, const char *name
,
591 const void *value
, size_t size
, int flags
)
593 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
595 return security_ops
->inode_setxattr(dentry
, name
, value
, size
, flags
);
598 void security_inode_post_setxattr(struct dentry
*dentry
, const char *name
,
599 const void *value
, size_t size
, int flags
)
601 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
603 security_ops
->inode_post_setxattr(dentry
, name
, value
, size
, flags
);
606 int security_inode_getxattr(struct dentry
*dentry
, const char *name
)
608 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
610 return security_ops
->inode_getxattr(dentry
, name
);
613 int security_inode_listxattr(struct dentry
*dentry
)
615 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
617 return security_ops
->inode_listxattr(dentry
);
620 int security_inode_removexattr(struct dentry
*dentry
, const char *name
)
622 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
624 return security_ops
->inode_removexattr(dentry
, name
);
627 int security_inode_need_killpriv(struct dentry
*dentry
)
629 return security_ops
->inode_need_killpriv(dentry
);
632 int security_inode_killpriv(struct dentry
*dentry
)
634 return security_ops
->inode_killpriv(dentry
);
637 int security_inode_getsecurity(const struct inode
*inode
, const char *name
, void **buffer
, bool alloc
)
639 if (unlikely(IS_PRIVATE(inode
)))
641 return security_ops
->inode_getsecurity(inode
, name
, buffer
, alloc
);
644 int security_inode_setsecurity(struct inode
*inode
, const char *name
, const void *value
, size_t size
, int flags
)
646 if (unlikely(IS_PRIVATE(inode
)))
648 return security_ops
->inode_setsecurity(inode
, name
, value
, size
, flags
);
651 int security_inode_listsecurity(struct inode
*inode
, char *buffer
, size_t buffer_size
)
653 if (unlikely(IS_PRIVATE(inode
)))
655 return security_ops
->inode_listsecurity(inode
, buffer
, buffer_size
);
658 void security_inode_getsecid(const struct inode
*inode
, u32
*secid
)
660 security_ops
->inode_getsecid(inode
, secid
);
663 int security_file_permission(struct file
*file
, int mask
)
665 return security_ops
->file_permission(file
, mask
);
668 int security_file_alloc(struct file
*file
)
670 return security_ops
->file_alloc_security(file
);
673 void security_file_free(struct file
*file
)
675 security_ops
->file_free_security(file
);
678 int security_file_ioctl(struct file
*file
, unsigned int cmd
, unsigned long arg
)
680 return security_ops
->file_ioctl(file
, cmd
, arg
);
683 int security_file_mmap(struct file
*file
, unsigned long reqprot
,
684 unsigned long prot
, unsigned long flags
,
685 unsigned long addr
, unsigned long addr_only
)
689 ret
= security_ops
->file_mmap(file
, reqprot
, prot
, flags
, addr
, addr_only
);
692 return ima_file_mmap(file
, prot
);
695 int security_file_mprotect(struct vm_area_struct
*vma
, unsigned long reqprot
,
698 return security_ops
->file_mprotect(vma
, reqprot
, prot
);
701 int security_file_lock(struct file
*file
, unsigned int cmd
)
703 return security_ops
->file_lock(file
, cmd
);
706 int security_file_fcntl(struct file
*file
, unsigned int cmd
, unsigned long arg
)
708 return security_ops
->file_fcntl(file
, cmd
, arg
);
711 int security_file_set_fowner(struct file
*file
)
713 return security_ops
->file_set_fowner(file
);
716 int security_file_send_sigiotask(struct task_struct
*tsk
,
717 struct fown_struct
*fown
, int sig
)
719 return security_ops
->file_send_sigiotask(tsk
, fown
, sig
);
722 int security_file_receive(struct file
*file
)
724 return security_ops
->file_receive(file
);
727 int security_dentry_open(struct file
*file
, const struct cred
*cred
)
729 return security_ops
->dentry_open(file
, cred
);
732 int security_task_create(unsigned long clone_flags
)
734 return security_ops
->task_create(clone_flags
);
737 int security_cred_alloc_blank(struct cred
*cred
, gfp_t gfp
)
739 return security_ops
->cred_alloc_blank(cred
, gfp
);
742 void security_cred_free(struct cred
*cred
)
744 security_ops
->cred_free(cred
);
747 int security_prepare_creds(struct cred
*new, const struct cred
*old
, gfp_t gfp
)
749 return security_ops
->cred_prepare(new, old
, gfp
);
752 void security_commit_creds(struct cred
*new, const struct cred
*old
)
754 security_ops
->cred_commit(new, old
);
757 void security_transfer_creds(struct cred
*new, const struct cred
*old
)
759 security_ops
->cred_transfer(new, old
);
762 int security_kernel_act_as(struct cred
*new, u32 secid
)
764 return security_ops
->kernel_act_as(new, secid
);
767 int security_kernel_create_files_as(struct cred
*new, struct inode
*inode
)
769 return security_ops
->kernel_create_files_as(new, inode
);
772 int security_kernel_module_request(char *kmod_name
)
774 return security_ops
->kernel_module_request(kmod_name
);
777 int security_task_setuid(uid_t id0
, uid_t id1
, uid_t id2
, int flags
)
779 return security_ops
->task_setuid(id0
, id1
, id2
, flags
);
782 int security_task_fix_setuid(struct cred
*new, const struct cred
*old
,
785 return security_ops
->task_fix_setuid(new, old
, flags
);
788 int security_task_setgid(gid_t id0
, gid_t id1
, gid_t id2
, int flags
)
790 return security_ops
->task_setgid(id0
, id1
, id2
, flags
);
793 int security_task_setpgid(struct task_struct
*p
, pid_t pgid
)
795 return security_ops
->task_setpgid(p
, pgid
);
798 int security_task_getpgid(struct task_struct
*p
)
800 return security_ops
->task_getpgid(p
);
803 int security_task_getsid(struct task_struct
*p
)
805 return security_ops
->task_getsid(p
);
808 void security_task_getsecid(struct task_struct
*p
, u32
*secid
)
810 security_ops
->task_getsecid(p
, secid
);
812 EXPORT_SYMBOL(security_task_getsecid
);
814 int security_task_setgroups(struct group_info
*group_info
)
816 return security_ops
->task_setgroups(group_info
);
819 int security_task_setnice(struct task_struct
*p
, int nice
)
821 return security_ops
->task_setnice(p
, nice
);
824 int security_task_setioprio(struct task_struct
*p
, int ioprio
)
826 return security_ops
->task_setioprio(p
, ioprio
);
829 int security_task_getioprio(struct task_struct
*p
)
831 return security_ops
->task_getioprio(p
);
834 int security_task_setrlimit(unsigned int resource
, struct rlimit
*new_rlim
)
836 return security_ops
->task_setrlimit(resource
, new_rlim
);
839 int security_task_setscheduler(struct task_struct
*p
,
840 int policy
, struct sched_param
*lp
)
842 return security_ops
->task_setscheduler(p
, policy
, lp
);
845 int security_task_getscheduler(struct task_struct
*p
)
847 return security_ops
->task_getscheduler(p
);
850 int security_task_movememory(struct task_struct
*p
)
852 return security_ops
->task_movememory(p
);
855 int security_task_kill(struct task_struct
*p
, struct siginfo
*info
,
858 return security_ops
->task_kill(p
, info
, sig
, secid
);
861 int security_task_wait(struct task_struct
*p
)
863 return security_ops
->task_wait(p
);
866 int security_task_prctl(int option
, unsigned long arg2
, unsigned long arg3
,
867 unsigned long arg4
, unsigned long arg5
)
869 return security_ops
->task_prctl(option
, arg2
, arg3
, arg4
, arg5
);
872 void security_task_to_inode(struct task_struct
*p
, struct inode
*inode
)
874 security_ops
->task_to_inode(p
, inode
);
877 int security_ipc_permission(struct kern_ipc_perm
*ipcp
, short flag
)
879 return security_ops
->ipc_permission(ipcp
, flag
);
882 void security_ipc_getsecid(struct kern_ipc_perm
*ipcp
, u32
*secid
)
884 security_ops
->ipc_getsecid(ipcp
, secid
);
887 int security_msg_msg_alloc(struct msg_msg
*msg
)
889 return security_ops
->msg_msg_alloc_security(msg
);
892 void security_msg_msg_free(struct msg_msg
*msg
)
894 security_ops
->msg_msg_free_security(msg
);
897 int security_msg_queue_alloc(struct msg_queue
*msq
)
899 return security_ops
->msg_queue_alloc_security(msq
);
902 void security_msg_queue_free(struct msg_queue
*msq
)
904 security_ops
->msg_queue_free_security(msq
);
907 int security_msg_queue_associate(struct msg_queue
*msq
, int msqflg
)
909 return security_ops
->msg_queue_associate(msq
, msqflg
);
912 int security_msg_queue_msgctl(struct msg_queue
*msq
, int cmd
)
914 return security_ops
->msg_queue_msgctl(msq
, cmd
);
917 int security_msg_queue_msgsnd(struct msg_queue
*msq
,
918 struct msg_msg
*msg
, int msqflg
)
920 return security_ops
->msg_queue_msgsnd(msq
, msg
, msqflg
);
923 int security_msg_queue_msgrcv(struct msg_queue
*msq
, struct msg_msg
*msg
,
924 struct task_struct
*target
, long type
, int mode
)
926 return security_ops
->msg_queue_msgrcv(msq
, msg
, target
, type
, mode
);
929 int security_shm_alloc(struct shmid_kernel
*shp
)
931 return security_ops
->shm_alloc_security(shp
);
934 void security_shm_free(struct shmid_kernel
*shp
)
936 security_ops
->shm_free_security(shp
);
939 int security_shm_associate(struct shmid_kernel
*shp
, int shmflg
)
941 return security_ops
->shm_associate(shp
, shmflg
);
944 int security_shm_shmctl(struct shmid_kernel
*shp
, int cmd
)
946 return security_ops
->shm_shmctl(shp
, cmd
);
949 int security_shm_shmat(struct shmid_kernel
*shp
, char __user
*shmaddr
, int shmflg
)
951 return security_ops
->shm_shmat(shp
, shmaddr
, shmflg
);
954 int security_sem_alloc(struct sem_array
*sma
)
956 return security_ops
->sem_alloc_security(sma
);
959 void security_sem_free(struct sem_array
*sma
)
961 security_ops
->sem_free_security(sma
);
964 int security_sem_associate(struct sem_array
*sma
, int semflg
)
966 return security_ops
->sem_associate(sma
, semflg
);
969 int security_sem_semctl(struct sem_array
*sma
, int cmd
)
971 return security_ops
->sem_semctl(sma
, cmd
);
974 int security_sem_semop(struct sem_array
*sma
, struct sembuf
*sops
,
975 unsigned nsops
, int alter
)
977 return security_ops
->sem_semop(sma
, sops
, nsops
, alter
);
980 void security_d_instantiate(struct dentry
*dentry
, struct inode
*inode
)
982 if (unlikely(inode
&& IS_PRIVATE(inode
)))
984 security_ops
->d_instantiate(dentry
, inode
);
986 EXPORT_SYMBOL(security_d_instantiate
);
988 int security_getprocattr(struct task_struct
*p
, char *name
, char **value
)
990 return security_ops
->getprocattr(p
, name
, value
);
993 int security_setprocattr(struct task_struct
*p
, char *name
, void *value
, size_t size
)
995 return security_ops
->setprocattr(p
, name
, value
, size
);
998 int security_netlink_send(struct sock
*sk
, struct sk_buff
*skb
)
1000 return security_ops
->netlink_send(sk
, skb
);
1003 int security_netlink_recv(struct sk_buff
*skb
, int cap
)
1005 return security_ops
->netlink_recv(skb
, cap
);
1007 EXPORT_SYMBOL(security_netlink_recv
);
1009 int security_secid_to_secctx(u32 secid
, char **secdata
, u32
*seclen
)
1011 return security_ops
->secid_to_secctx(secid
, secdata
, seclen
);
1013 EXPORT_SYMBOL(security_secid_to_secctx
);
1015 int security_secctx_to_secid(const char *secdata
, u32 seclen
, u32
*secid
)
1017 return security_ops
->secctx_to_secid(secdata
, seclen
, secid
);
1019 EXPORT_SYMBOL(security_secctx_to_secid
);
1021 void security_release_secctx(char *secdata
, u32 seclen
)
1023 security_ops
->release_secctx(secdata
, seclen
);
1025 EXPORT_SYMBOL(security_release_secctx
);
1027 int security_inode_notifysecctx(struct inode
*inode
, void *ctx
, u32 ctxlen
)
1029 return security_ops
->inode_notifysecctx(inode
, ctx
, ctxlen
);
1031 EXPORT_SYMBOL(security_inode_notifysecctx
);
1033 int security_inode_setsecctx(struct dentry
*dentry
, void *ctx
, u32 ctxlen
)
1035 return security_ops
->inode_setsecctx(dentry
, ctx
, ctxlen
);
1037 EXPORT_SYMBOL(security_inode_setsecctx
);
1039 int security_inode_getsecctx(struct inode
*inode
, void **ctx
, u32
*ctxlen
)
1041 return security_ops
->inode_getsecctx(inode
, ctx
, ctxlen
);
1043 EXPORT_SYMBOL(security_inode_getsecctx
);
1045 #ifdef CONFIG_SECURITY_NETWORK
1047 int security_unix_stream_connect(struct socket
*sock
, struct socket
*other
,
1050 return security_ops
->unix_stream_connect(sock
, other
, newsk
);
1052 EXPORT_SYMBOL(security_unix_stream_connect
);
1054 int security_unix_may_send(struct socket
*sock
, struct socket
*other
)
1056 return security_ops
->unix_may_send(sock
, other
);
1058 EXPORT_SYMBOL(security_unix_may_send
);
1060 int security_socket_create(int family
, int type
, int protocol
, int kern
)
1062 return security_ops
->socket_create(family
, type
, protocol
, kern
);
1065 int security_socket_post_create(struct socket
*sock
, int family
,
1066 int type
, int protocol
, int kern
)
1068 return security_ops
->socket_post_create(sock
, family
, type
,
1072 int security_socket_bind(struct socket
*sock
, struct sockaddr
*address
, int addrlen
)
1074 return security_ops
->socket_bind(sock
, address
, addrlen
);
1077 int security_socket_connect(struct socket
*sock
, struct sockaddr
*address
, int addrlen
)
1079 return security_ops
->socket_connect(sock
, address
, addrlen
);
1082 int security_socket_listen(struct socket
*sock
, int backlog
)
1084 return security_ops
->socket_listen(sock
, backlog
);
1087 int security_socket_accept(struct socket
*sock
, struct socket
*newsock
)
1089 return security_ops
->socket_accept(sock
, newsock
);
1092 int security_socket_sendmsg(struct socket
*sock
, struct msghdr
*msg
, int size
)
1094 return security_ops
->socket_sendmsg(sock
, msg
, size
);
1097 int security_socket_recvmsg(struct socket
*sock
, struct msghdr
*msg
,
1098 int size
, int flags
)
1100 return security_ops
->socket_recvmsg(sock
, msg
, size
, flags
);
1103 int security_socket_getsockname(struct socket
*sock
)
1105 return security_ops
->socket_getsockname(sock
);
1108 int security_socket_getpeername(struct socket
*sock
)
1110 return security_ops
->socket_getpeername(sock
);
1113 int security_socket_getsockopt(struct socket
*sock
, int level
, int optname
)
1115 return security_ops
->socket_getsockopt(sock
, level
, optname
);
1118 int security_socket_setsockopt(struct socket
*sock
, int level
, int optname
)
1120 return security_ops
->socket_setsockopt(sock
, level
, optname
);
1123 int security_socket_shutdown(struct socket
*sock
, int how
)
1125 return security_ops
->socket_shutdown(sock
, how
);
1128 int security_sock_rcv_skb(struct sock
*sk
, struct sk_buff
*skb
)
1130 return security_ops
->socket_sock_rcv_skb(sk
, skb
);
1132 EXPORT_SYMBOL(security_sock_rcv_skb
);
1134 int security_socket_getpeersec_stream(struct socket
*sock
, char __user
*optval
,
1135 int __user
*optlen
, unsigned len
)
1137 return security_ops
->socket_getpeersec_stream(sock
, optval
, optlen
, len
);
1140 int security_socket_getpeersec_dgram(struct socket
*sock
, struct sk_buff
*skb
, u32
*secid
)
1142 return security_ops
->socket_getpeersec_dgram(sock
, skb
, secid
);
1144 EXPORT_SYMBOL(security_socket_getpeersec_dgram
);
1146 int security_sk_alloc(struct sock
*sk
, int family
, gfp_t priority
)
1148 return security_ops
->sk_alloc_security(sk
, family
, priority
);
1151 void security_sk_free(struct sock
*sk
)
1153 security_ops
->sk_free_security(sk
);
1156 void security_sk_clone(const struct sock
*sk
, struct sock
*newsk
)
1158 security_ops
->sk_clone_security(sk
, newsk
);
1161 void security_sk_classify_flow(struct sock
*sk
, struct flowi
*fl
)
1163 security_ops
->sk_getsecid(sk
, &fl
->secid
);
1165 EXPORT_SYMBOL(security_sk_classify_flow
);
1167 void security_req_classify_flow(const struct request_sock
*req
, struct flowi
*fl
)
1169 security_ops
->req_classify_flow(req
, fl
);
1171 EXPORT_SYMBOL(security_req_classify_flow
);
1173 void security_sock_graft(struct sock
*sk
, struct socket
*parent
)
1175 security_ops
->sock_graft(sk
, parent
);
1177 EXPORT_SYMBOL(security_sock_graft
);
1179 int security_inet_conn_request(struct sock
*sk
,
1180 struct sk_buff
*skb
, struct request_sock
*req
)
1182 return security_ops
->inet_conn_request(sk
, skb
, req
);
1184 EXPORT_SYMBOL(security_inet_conn_request
);
1186 void security_inet_csk_clone(struct sock
*newsk
,
1187 const struct request_sock
*req
)
1189 security_ops
->inet_csk_clone(newsk
, req
);
1192 void security_inet_conn_established(struct sock
*sk
,
1193 struct sk_buff
*skb
)
1195 security_ops
->inet_conn_established(sk
, skb
);
1198 int security_tun_dev_create(void)
1200 return security_ops
->tun_dev_create();
1202 EXPORT_SYMBOL(security_tun_dev_create
);
1204 void security_tun_dev_post_create(struct sock
*sk
)
1206 return security_ops
->tun_dev_post_create(sk
);
1208 EXPORT_SYMBOL(security_tun_dev_post_create
);
1210 int security_tun_dev_attach(struct sock
*sk
)
1212 return security_ops
->tun_dev_attach(sk
);
1214 EXPORT_SYMBOL(security_tun_dev_attach
);
1216 #endif /* CONFIG_SECURITY_NETWORK */
1218 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1220 int security_xfrm_policy_alloc(struct xfrm_sec_ctx
**ctxp
, struct xfrm_user_sec_ctx
*sec_ctx
)
1222 return security_ops
->xfrm_policy_alloc_security(ctxp
, sec_ctx
);
1224 EXPORT_SYMBOL(security_xfrm_policy_alloc
);
1226 int security_xfrm_policy_clone(struct xfrm_sec_ctx
*old_ctx
,
1227 struct xfrm_sec_ctx
**new_ctxp
)
1229 return security_ops
->xfrm_policy_clone_security(old_ctx
, new_ctxp
);
1232 void security_xfrm_policy_free(struct xfrm_sec_ctx
*ctx
)
1234 security_ops
->xfrm_policy_free_security(ctx
);
1236 EXPORT_SYMBOL(security_xfrm_policy_free
);
1238 int security_xfrm_policy_delete(struct xfrm_sec_ctx
*ctx
)
1240 return security_ops
->xfrm_policy_delete_security(ctx
);
1243 int security_xfrm_state_alloc(struct xfrm_state
*x
, struct xfrm_user_sec_ctx
*sec_ctx
)
1245 return security_ops
->xfrm_state_alloc_security(x
, sec_ctx
, 0);
1247 EXPORT_SYMBOL(security_xfrm_state_alloc
);
1249 int security_xfrm_state_alloc_acquire(struct xfrm_state
*x
,
1250 struct xfrm_sec_ctx
*polsec
, u32 secid
)
1255 * We want the context to be taken from secid which is usually
1258 return security_ops
->xfrm_state_alloc_security(x
, NULL
, secid
);
1261 int security_xfrm_state_delete(struct xfrm_state
*x
)
1263 return security_ops
->xfrm_state_delete_security(x
);
1265 EXPORT_SYMBOL(security_xfrm_state_delete
);
1267 void security_xfrm_state_free(struct xfrm_state
*x
)
1269 security_ops
->xfrm_state_free_security(x
);
1272 int security_xfrm_policy_lookup(struct xfrm_sec_ctx
*ctx
, u32 fl_secid
, u8 dir
)
1274 return security_ops
->xfrm_policy_lookup(ctx
, fl_secid
, dir
);
1277 int security_xfrm_state_pol_flow_match(struct xfrm_state
*x
,
1278 struct xfrm_policy
*xp
, struct flowi
*fl
)
1280 return security_ops
->xfrm_state_pol_flow_match(x
, xp
, fl
);
1283 int security_xfrm_decode_session(struct sk_buff
*skb
, u32
*secid
)
1285 return security_ops
->xfrm_decode_session(skb
, secid
, 1);
1288 void security_skb_classify_flow(struct sk_buff
*skb
, struct flowi
*fl
)
1290 int rc
= security_ops
->xfrm_decode_session(skb
, &fl
->secid
, 0);
1294 EXPORT_SYMBOL(security_skb_classify_flow
);
1296 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1300 int security_key_alloc(struct key
*key
, const struct cred
*cred
,
1301 unsigned long flags
)
1303 return security_ops
->key_alloc(key
, cred
, flags
);
1306 void security_key_free(struct key
*key
)
1308 security_ops
->key_free(key
);
1311 int security_key_permission(key_ref_t key_ref
,
1312 const struct cred
*cred
, key_perm_t perm
)
1314 return security_ops
->key_permission(key_ref
, cred
, perm
);
1317 int security_key_getsecurity(struct key
*key
, char **_buffer
)
1319 return security_ops
->key_getsecurity(key
, _buffer
);
1322 int security_key_session_to_parent(const struct cred
*cred
,
1323 const struct cred
*parent_cred
,
1326 return security_ops
->key_session_to_parent(cred
, parent_cred
, key
);
1329 #endif /* CONFIG_KEYS */
1333 int security_audit_rule_init(u32 field
, u32 op
, char *rulestr
, void **lsmrule
)
1335 return security_ops
->audit_rule_init(field
, op
, rulestr
, lsmrule
);
1338 int security_audit_rule_known(struct audit_krule
*krule
)
1340 return security_ops
->audit_rule_known(krule
);
1343 void security_audit_rule_free(void *lsmrule
)
1345 security_ops
->audit_rule_free(lsmrule
);
1348 int security_audit_rule_match(u32 secid
, u32 field
, u32 op
, void *lsmrule
,
1349 struct audit_context
*actx
)
1351 return security_ops
->audit_rule_match(secid
, field
, op
, lsmrule
, actx
);
1354 #endif /* CONFIG_AUDIT */