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 __init
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 __init
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 __init
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_sysctl(struct ctl_table
*table
, int op
)
195 return security_ops
->sysctl(table
, op
);
198 int security_quotactl(int cmds
, int type
, int id
, struct super_block
*sb
)
200 return security_ops
->quotactl(cmds
, type
, id
, sb
);
203 int security_quota_on(struct dentry
*dentry
)
205 return security_ops
->quota_on(dentry
);
208 int security_syslog(int type
, bool from_file
)
210 return security_ops
->syslog(type
, from_file
);
213 int security_settime(struct timespec
*ts
, struct timezone
*tz
)
215 return security_ops
->settime(ts
, tz
);
218 int security_vm_enough_memory(long pages
)
220 WARN_ON(current
->mm
== NULL
);
221 return security_ops
->vm_enough_memory(current
->mm
, pages
);
224 int security_vm_enough_memory_mm(struct mm_struct
*mm
, long pages
)
227 return security_ops
->vm_enough_memory(mm
, pages
);
230 int security_vm_enough_memory_kern(long pages
)
232 /* If current->mm is a kernel thread then we will pass NULL,
233 for this specific case that is fine */
234 return security_ops
->vm_enough_memory(current
->mm
, pages
);
237 int security_bprm_set_creds(struct linux_binprm
*bprm
)
239 return security_ops
->bprm_set_creds(bprm
);
242 int security_bprm_check(struct linux_binprm
*bprm
)
246 ret
= security_ops
->bprm_check_security(bprm
);
249 return ima_bprm_check(bprm
);
252 void security_bprm_committing_creds(struct linux_binprm
*bprm
)
254 security_ops
->bprm_committing_creds(bprm
);
257 void security_bprm_committed_creds(struct linux_binprm
*bprm
)
259 security_ops
->bprm_committed_creds(bprm
);
262 int security_bprm_secureexec(struct linux_binprm
*bprm
)
264 return security_ops
->bprm_secureexec(bprm
);
267 int security_sb_alloc(struct super_block
*sb
)
269 return security_ops
->sb_alloc_security(sb
);
272 void security_sb_free(struct super_block
*sb
)
274 security_ops
->sb_free_security(sb
);
277 int security_sb_copy_data(char *orig
, char *copy
)
279 return security_ops
->sb_copy_data(orig
, copy
);
281 EXPORT_SYMBOL(security_sb_copy_data
);
283 int security_sb_kern_mount(struct super_block
*sb
, int flags
, void *data
)
285 return security_ops
->sb_kern_mount(sb
, flags
, data
);
288 int security_sb_show_options(struct seq_file
*m
, struct super_block
*sb
)
290 return security_ops
->sb_show_options(m
, sb
);
293 int security_sb_statfs(struct dentry
*dentry
)
295 return security_ops
->sb_statfs(dentry
);
298 int security_sb_mount(char *dev_name
, struct path
*path
,
299 char *type
, unsigned long flags
, void *data
)
301 return security_ops
->sb_mount(dev_name
, path
, type
, flags
, data
);
304 int security_sb_umount(struct vfsmount
*mnt
, int flags
)
306 return security_ops
->sb_umount(mnt
, flags
);
309 int security_sb_pivotroot(struct path
*old_path
, struct path
*new_path
)
311 return security_ops
->sb_pivotroot(old_path
, new_path
);
314 int security_sb_set_mnt_opts(struct super_block
*sb
,
315 struct security_mnt_opts
*opts
)
317 return security_ops
->sb_set_mnt_opts(sb
, opts
);
319 EXPORT_SYMBOL(security_sb_set_mnt_opts
);
321 void security_sb_clone_mnt_opts(const struct super_block
*oldsb
,
322 struct super_block
*newsb
)
324 security_ops
->sb_clone_mnt_opts(oldsb
, newsb
);
326 EXPORT_SYMBOL(security_sb_clone_mnt_opts
);
328 int security_sb_parse_opts_str(char *options
, struct security_mnt_opts
*opts
)
330 return security_ops
->sb_parse_opts_str(options
, opts
);
332 EXPORT_SYMBOL(security_sb_parse_opts_str
);
334 int security_inode_alloc(struct inode
*inode
)
338 inode
->i_security
= NULL
;
339 ret
= security_ops
->inode_alloc_security(inode
);
342 ret
= ima_inode_alloc(inode
);
344 security_inode_free(inode
);
348 void security_inode_free(struct inode
*inode
)
350 ima_inode_free(inode
);
351 security_ops
->inode_free_security(inode
);
354 int security_inode_init_security(struct inode
*inode
, struct inode
*dir
,
355 char **name
, void **value
, size_t *len
)
357 if (unlikely(IS_PRIVATE(inode
)))
359 return security_ops
->inode_init_security(inode
, dir
, name
, value
, len
);
361 EXPORT_SYMBOL(security_inode_init_security
);
363 #ifdef CONFIG_SECURITY_PATH
364 int security_path_mknod(struct path
*dir
, struct dentry
*dentry
, int mode
,
367 if (unlikely(IS_PRIVATE(dir
->dentry
->d_inode
)))
369 return security_ops
->path_mknod(dir
, dentry
, mode
, dev
);
371 EXPORT_SYMBOL(security_path_mknod
);
373 int security_path_mkdir(struct path
*dir
, struct dentry
*dentry
, int mode
)
375 if (unlikely(IS_PRIVATE(dir
->dentry
->d_inode
)))
377 return security_ops
->path_mkdir(dir
, dentry
, mode
);
380 int security_path_rmdir(struct path
*dir
, struct dentry
*dentry
)
382 if (unlikely(IS_PRIVATE(dir
->dentry
->d_inode
)))
384 return security_ops
->path_rmdir(dir
, dentry
);
387 int security_path_unlink(struct path
*dir
, struct dentry
*dentry
)
389 if (unlikely(IS_PRIVATE(dir
->dentry
->d_inode
)))
391 return security_ops
->path_unlink(dir
, dentry
);
394 int security_path_symlink(struct path
*dir
, struct dentry
*dentry
,
395 const char *old_name
)
397 if (unlikely(IS_PRIVATE(dir
->dentry
->d_inode
)))
399 return security_ops
->path_symlink(dir
, dentry
, old_name
);
402 int security_path_link(struct dentry
*old_dentry
, struct path
*new_dir
,
403 struct dentry
*new_dentry
)
405 if (unlikely(IS_PRIVATE(old_dentry
->d_inode
)))
407 return security_ops
->path_link(old_dentry
, new_dir
, new_dentry
);
410 int security_path_rename(struct path
*old_dir
, struct dentry
*old_dentry
,
411 struct path
*new_dir
, struct dentry
*new_dentry
)
413 if (unlikely(IS_PRIVATE(old_dentry
->d_inode
) ||
414 (new_dentry
->d_inode
&& IS_PRIVATE(new_dentry
->d_inode
))))
416 return security_ops
->path_rename(old_dir
, old_dentry
, new_dir
,
420 int security_path_truncate(struct path
*path
, loff_t length
,
421 unsigned int time_attrs
)
423 if (unlikely(IS_PRIVATE(path
->dentry
->d_inode
)))
425 return security_ops
->path_truncate(path
, length
, time_attrs
);
428 int security_path_chmod(struct dentry
*dentry
, struct vfsmount
*mnt
,
431 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
433 return security_ops
->path_chmod(dentry
, mnt
, mode
);
436 int security_path_chown(struct path
*path
, uid_t uid
, gid_t gid
)
438 if (unlikely(IS_PRIVATE(path
->dentry
->d_inode
)))
440 return security_ops
->path_chown(path
, uid
, gid
);
443 int security_path_chroot(struct path
*path
)
445 return security_ops
->path_chroot(path
);
449 int security_inode_create(struct inode
*dir
, struct dentry
*dentry
, int mode
)
451 if (unlikely(IS_PRIVATE(dir
)))
453 return security_ops
->inode_create(dir
, dentry
, mode
);
455 EXPORT_SYMBOL_GPL(security_inode_create
);
457 int security_inode_link(struct dentry
*old_dentry
, struct inode
*dir
,
458 struct dentry
*new_dentry
)
460 if (unlikely(IS_PRIVATE(old_dentry
->d_inode
)))
462 return security_ops
->inode_link(old_dentry
, dir
, new_dentry
);
465 int security_inode_unlink(struct inode
*dir
, struct dentry
*dentry
)
467 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
469 return security_ops
->inode_unlink(dir
, dentry
);
472 int security_inode_symlink(struct inode
*dir
, struct dentry
*dentry
,
473 const char *old_name
)
475 if (unlikely(IS_PRIVATE(dir
)))
477 return security_ops
->inode_symlink(dir
, dentry
, old_name
);
480 int security_inode_mkdir(struct inode
*dir
, struct dentry
*dentry
, int mode
)
482 if (unlikely(IS_PRIVATE(dir
)))
484 return security_ops
->inode_mkdir(dir
, dentry
, mode
);
486 EXPORT_SYMBOL_GPL(security_inode_mkdir
);
488 int security_inode_rmdir(struct inode
*dir
, struct dentry
*dentry
)
490 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
492 return security_ops
->inode_rmdir(dir
, dentry
);
495 int security_inode_mknod(struct inode
*dir
, struct dentry
*dentry
, int mode
, dev_t dev
)
497 if (unlikely(IS_PRIVATE(dir
)))
499 return security_ops
->inode_mknod(dir
, dentry
, mode
, dev
);
502 int security_inode_rename(struct inode
*old_dir
, struct dentry
*old_dentry
,
503 struct inode
*new_dir
, struct dentry
*new_dentry
)
505 if (unlikely(IS_PRIVATE(old_dentry
->d_inode
) ||
506 (new_dentry
->d_inode
&& IS_PRIVATE(new_dentry
->d_inode
))))
508 return security_ops
->inode_rename(old_dir
, old_dentry
,
509 new_dir
, new_dentry
);
512 int security_inode_readlink(struct dentry
*dentry
)
514 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
516 return security_ops
->inode_readlink(dentry
);
519 int security_inode_follow_link(struct dentry
*dentry
, struct nameidata
*nd
)
521 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
523 return security_ops
->inode_follow_link(dentry
, nd
);
526 int security_inode_permission(struct inode
*inode
, int mask
)
528 if (unlikely(IS_PRIVATE(inode
)))
530 return security_ops
->inode_permission(inode
, mask
);
533 int security_inode_setattr(struct dentry
*dentry
, struct iattr
*attr
)
535 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
537 return security_ops
->inode_setattr(dentry
, attr
);
539 EXPORT_SYMBOL_GPL(security_inode_setattr
);
541 int security_inode_getattr(struct vfsmount
*mnt
, struct dentry
*dentry
)
543 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
545 return security_ops
->inode_getattr(mnt
, dentry
);
548 int security_inode_setxattr(struct dentry
*dentry
, const char *name
,
549 const void *value
, size_t size
, int flags
)
551 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
553 return security_ops
->inode_setxattr(dentry
, name
, value
, size
, flags
);
556 void security_inode_post_setxattr(struct dentry
*dentry
, const char *name
,
557 const void *value
, size_t size
, int flags
)
559 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
561 security_ops
->inode_post_setxattr(dentry
, name
, value
, size
, flags
);
564 int security_inode_getxattr(struct dentry
*dentry
, const char *name
)
566 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
568 return security_ops
->inode_getxattr(dentry
, name
);
571 int security_inode_listxattr(struct dentry
*dentry
)
573 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
575 return security_ops
->inode_listxattr(dentry
);
578 int security_inode_removexattr(struct dentry
*dentry
, const char *name
)
580 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
582 return security_ops
->inode_removexattr(dentry
, name
);
585 int security_inode_need_killpriv(struct dentry
*dentry
)
587 return security_ops
->inode_need_killpriv(dentry
);
590 int security_inode_killpriv(struct dentry
*dentry
)
592 return security_ops
->inode_killpriv(dentry
);
595 int security_inode_getsecurity(const struct inode
*inode
, const char *name
, void **buffer
, bool alloc
)
597 if (unlikely(IS_PRIVATE(inode
)))
599 return security_ops
->inode_getsecurity(inode
, name
, buffer
, alloc
);
602 int security_inode_setsecurity(struct inode
*inode
, const char *name
, const void *value
, size_t size
, int flags
)
604 if (unlikely(IS_PRIVATE(inode
)))
606 return security_ops
->inode_setsecurity(inode
, name
, value
, size
, flags
);
609 int security_inode_listsecurity(struct inode
*inode
, char *buffer
, size_t buffer_size
)
611 if (unlikely(IS_PRIVATE(inode
)))
613 return security_ops
->inode_listsecurity(inode
, buffer
, buffer_size
);
616 void security_inode_getsecid(const struct inode
*inode
, u32
*secid
)
618 security_ops
->inode_getsecid(inode
, secid
);
621 int security_file_permission(struct file
*file
, int mask
)
623 return security_ops
->file_permission(file
, mask
);
626 int security_file_alloc(struct file
*file
)
628 return security_ops
->file_alloc_security(file
);
631 void security_file_free(struct file
*file
)
633 security_ops
->file_free_security(file
);
636 int security_file_ioctl(struct file
*file
, unsigned int cmd
, unsigned long arg
)
638 return security_ops
->file_ioctl(file
, cmd
, arg
);
641 int security_file_mmap(struct file
*file
, unsigned long reqprot
,
642 unsigned long prot
, unsigned long flags
,
643 unsigned long addr
, unsigned long addr_only
)
647 ret
= security_ops
->file_mmap(file
, reqprot
, prot
, flags
, addr
, addr_only
);
650 return ima_file_mmap(file
, prot
);
653 int security_file_mprotect(struct vm_area_struct
*vma
, unsigned long reqprot
,
656 return security_ops
->file_mprotect(vma
, reqprot
, prot
);
659 int security_file_lock(struct file
*file
, unsigned int cmd
)
661 return security_ops
->file_lock(file
, cmd
);
664 int security_file_fcntl(struct file
*file
, unsigned int cmd
, unsigned long arg
)
666 return security_ops
->file_fcntl(file
, cmd
, arg
);
669 int security_file_set_fowner(struct file
*file
)
671 return security_ops
->file_set_fowner(file
);
674 int security_file_send_sigiotask(struct task_struct
*tsk
,
675 struct fown_struct
*fown
, int sig
)
677 return security_ops
->file_send_sigiotask(tsk
, fown
, sig
);
680 int security_file_receive(struct file
*file
)
682 return security_ops
->file_receive(file
);
685 int security_dentry_open(struct file
*file
, const struct cred
*cred
)
687 return security_ops
->dentry_open(file
, cred
);
690 int security_task_create(unsigned long clone_flags
)
692 return security_ops
->task_create(clone_flags
);
695 int security_cred_alloc_blank(struct cred
*cred
, gfp_t gfp
)
697 return security_ops
->cred_alloc_blank(cred
, gfp
);
700 void security_cred_free(struct cred
*cred
)
702 security_ops
->cred_free(cred
);
705 int security_prepare_creds(struct cred
*new, const struct cred
*old
, gfp_t gfp
)
707 return security_ops
->cred_prepare(new, old
, gfp
);
710 void security_transfer_creds(struct cred
*new, const struct cred
*old
)
712 security_ops
->cred_transfer(new, old
);
715 int security_kernel_act_as(struct cred
*new, u32 secid
)
717 return security_ops
->kernel_act_as(new, secid
);
720 int security_kernel_create_files_as(struct cred
*new, struct inode
*inode
)
722 return security_ops
->kernel_create_files_as(new, inode
);
725 int security_kernel_module_request(char *kmod_name
)
727 return security_ops
->kernel_module_request(kmod_name
);
730 int security_task_fix_setuid(struct cred
*new, const struct cred
*old
,
733 return security_ops
->task_fix_setuid(new, old
, flags
);
736 int security_task_setpgid(struct task_struct
*p
, pid_t pgid
)
738 return security_ops
->task_setpgid(p
, pgid
);
741 int security_task_getpgid(struct task_struct
*p
)
743 return security_ops
->task_getpgid(p
);
746 int security_task_getsid(struct task_struct
*p
)
748 return security_ops
->task_getsid(p
);
751 void security_task_getsecid(struct task_struct
*p
, u32
*secid
)
753 security_ops
->task_getsecid(p
, secid
);
755 EXPORT_SYMBOL(security_task_getsecid
);
757 int security_task_setnice(struct task_struct
*p
, int nice
)
759 return security_ops
->task_setnice(p
, nice
);
762 int security_task_setioprio(struct task_struct
*p
, int ioprio
)
764 return security_ops
->task_setioprio(p
, ioprio
);
767 int security_task_getioprio(struct task_struct
*p
)
769 return security_ops
->task_getioprio(p
);
772 int security_task_setrlimit(struct task_struct
*p
, unsigned int resource
,
773 struct rlimit
*new_rlim
)
775 return security_ops
->task_setrlimit(p
, resource
, new_rlim
);
778 int security_task_setscheduler(struct task_struct
*p
,
779 int policy
, struct sched_param
*lp
)
781 return security_ops
->task_setscheduler(p
, policy
, lp
);
784 int security_task_getscheduler(struct task_struct
*p
)
786 return security_ops
->task_getscheduler(p
);
789 int security_task_movememory(struct task_struct
*p
)
791 return security_ops
->task_movememory(p
);
794 int security_task_kill(struct task_struct
*p
, struct siginfo
*info
,
797 return security_ops
->task_kill(p
, info
, sig
, secid
);
800 int security_task_wait(struct task_struct
*p
)
802 return security_ops
->task_wait(p
);
805 int security_task_prctl(int option
, unsigned long arg2
, unsigned long arg3
,
806 unsigned long arg4
, unsigned long arg5
)
808 return security_ops
->task_prctl(option
, arg2
, arg3
, arg4
, arg5
);
811 void security_task_to_inode(struct task_struct
*p
, struct inode
*inode
)
813 security_ops
->task_to_inode(p
, inode
);
816 int security_ipc_permission(struct kern_ipc_perm
*ipcp
, short flag
)
818 return security_ops
->ipc_permission(ipcp
, flag
);
821 void security_ipc_getsecid(struct kern_ipc_perm
*ipcp
, u32
*secid
)
823 security_ops
->ipc_getsecid(ipcp
, secid
);
826 int security_msg_msg_alloc(struct msg_msg
*msg
)
828 return security_ops
->msg_msg_alloc_security(msg
);
831 void security_msg_msg_free(struct msg_msg
*msg
)
833 security_ops
->msg_msg_free_security(msg
);
836 int security_msg_queue_alloc(struct msg_queue
*msq
)
838 return security_ops
->msg_queue_alloc_security(msq
);
841 void security_msg_queue_free(struct msg_queue
*msq
)
843 security_ops
->msg_queue_free_security(msq
);
846 int security_msg_queue_associate(struct msg_queue
*msq
, int msqflg
)
848 return security_ops
->msg_queue_associate(msq
, msqflg
);
851 int security_msg_queue_msgctl(struct msg_queue
*msq
, int cmd
)
853 return security_ops
->msg_queue_msgctl(msq
, cmd
);
856 int security_msg_queue_msgsnd(struct msg_queue
*msq
,
857 struct msg_msg
*msg
, int msqflg
)
859 return security_ops
->msg_queue_msgsnd(msq
, msg
, msqflg
);
862 int security_msg_queue_msgrcv(struct msg_queue
*msq
, struct msg_msg
*msg
,
863 struct task_struct
*target
, long type
, int mode
)
865 return security_ops
->msg_queue_msgrcv(msq
, msg
, target
, type
, mode
);
868 int security_shm_alloc(struct shmid_kernel
*shp
)
870 return security_ops
->shm_alloc_security(shp
);
873 void security_shm_free(struct shmid_kernel
*shp
)
875 security_ops
->shm_free_security(shp
);
878 int security_shm_associate(struct shmid_kernel
*shp
, int shmflg
)
880 return security_ops
->shm_associate(shp
, shmflg
);
883 int security_shm_shmctl(struct shmid_kernel
*shp
, int cmd
)
885 return security_ops
->shm_shmctl(shp
, cmd
);
888 int security_shm_shmat(struct shmid_kernel
*shp
, char __user
*shmaddr
, int shmflg
)
890 return security_ops
->shm_shmat(shp
, shmaddr
, shmflg
);
893 int security_sem_alloc(struct sem_array
*sma
)
895 return security_ops
->sem_alloc_security(sma
);
898 void security_sem_free(struct sem_array
*sma
)
900 security_ops
->sem_free_security(sma
);
903 int security_sem_associate(struct sem_array
*sma
, int semflg
)
905 return security_ops
->sem_associate(sma
, semflg
);
908 int security_sem_semctl(struct sem_array
*sma
, int cmd
)
910 return security_ops
->sem_semctl(sma
, cmd
);
913 int security_sem_semop(struct sem_array
*sma
, struct sembuf
*sops
,
914 unsigned nsops
, int alter
)
916 return security_ops
->sem_semop(sma
, sops
, nsops
, alter
);
919 void security_d_instantiate(struct dentry
*dentry
, struct inode
*inode
)
921 if (unlikely(inode
&& IS_PRIVATE(inode
)))
923 security_ops
->d_instantiate(dentry
, inode
);
925 EXPORT_SYMBOL(security_d_instantiate
);
927 int security_getprocattr(struct task_struct
*p
, char *name
, char **value
)
929 return security_ops
->getprocattr(p
, name
, value
);
932 int security_setprocattr(struct task_struct
*p
, char *name
, void *value
, size_t size
)
934 return security_ops
->setprocattr(p
, name
, value
, size
);
937 int security_netlink_send(struct sock
*sk
, struct sk_buff
*skb
)
939 return security_ops
->netlink_send(sk
, skb
);
942 int security_netlink_recv(struct sk_buff
*skb
, int cap
)
944 return security_ops
->netlink_recv(skb
, cap
);
946 EXPORT_SYMBOL(security_netlink_recv
);
948 int security_secid_to_secctx(u32 secid
, char **secdata
, u32
*seclen
)
950 return security_ops
->secid_to_secctx(secid
, secdata
, seclen
);
952 EXPORT_SYMBOL(security_secid_to_secctx
);
954 int security_secctx_to_secid(const char *secdata
, u32 seclen
, u32
*secid
)
956 return security_ops
->secctx_to_secid(secdata
, seclen
, secid
);
958 EXPORT_SYMBOL(security_secctx_to_secid
);
960 void security_release_secctx(char *secdata
, u32 seclen
)
962 security_ops
->release_secctx(secdata
, seclen
);
964 EXPORT_SYMBOL(security_release_secctx
);
966 int security_inode_notifysecctx(struct inode
*inode
, void *ctx
, u32 ctxlen
)
968 return security_ops
->inode_notifysecctx(inode
, ctx
, ctxlen
);
970 EXPORT_SYMBOL(security_inode_notifysecctx
);
972 int security_inode_setsecctx(struct dentry
*dentry
, void *ctx
, u32 ctxlen
)
974 return security_ops
->inode_setsecctx(dentry
, ctx
, ctxlen
);
976 EXPORT_SYMBOL(security_inode_setsecctx
);
978 int security_inode_getsecctx(struct inode
*inode
, void **ctx
, u32
*ctxlen
)
980 return security_ops
->inode_getsecctx(inode
, ctx
, ctxlen
);
982 EXPORT_SYMBOL(security_inode_getsecctx
);
984 #ifdef CONFIG_SECURITY_NETWORK
986 int security_unix_stream_connect(struct socket
*sock
, struct socket
*other
,
989 return security_ops
->unix_stream_connect(sock
, other
, newsk
);
991 EXPORT_SYMBOL(security_unix_stream_connect
);
993 int security_unix_may_send(struct socket
*sock
, struct socket
*other
)
995 return security_ops
->unix_may_send(sock
, other
);
997 EXPORT_SYMBOL(security_unix_may_send
);
999 int security_socket_create(int family
, int type
, int protocol
, int kern
)
1001 return security_ops
->socket_create(family
, type
, protocol
, kern
);
1004 int security_socket_post_create(struct socket
*sock
, int family
,
1005 int type
, int protocol
, int kern
)
1007 return security_ops
->socket_post_create(sock
, family
, type
,
1011 int security_socket_bind(struct socket
*sock
, struct sockaddr
*address
, int addrlen
)
1013 return security_ops
->socket_bind(sock
, address
, addrlen
);
1016 int security_socket_connect(struct socket
*sock
, struct sockaddr
*address
, int addrlen
)
1018 return security_ops
->socket_connect(sock
, address
, addrlen
);
1021 int security_socket_listen(struct socket
*sock
, int backlog
)
1023 return security_ops
->socket_listen(sock
, backlog
);
1026 int security_socket_accept(struct socket
*sock
, struct socket
*newsock
)
1028 return security_ops
->socket_accept(sock
, newsock
);
1031 int security_socket_sendmsg(struct socket
*sock
, struct msghdr
*msg
, int size
)
1033 return security_ops
->socket_sendmsg(sock
, msg
, size
);
1036 int security_socket_recvmsg(struct socket
*sock
, struct msghdr
*msg
,
1037 int size
, int flags
)
1039 return security_ops
->socket_recvmsg(sock
, msg
, size
, flags
);
1042 int security_socket_getsockname(struct socket
*sock
)
1044 return security_ops
->socket_getsockname(sock
);
1047 int security_socket_getpeername(struct socket
*sock
)
1049 return security_ops
->socket_getpeername(sock
);
1052 int security_socket_getsockopt(struct socket
*sock
, int level
, int optname
)
1054 return security_ops
->socket_getsockopt(sock
, level
, optname
);
1057 int security_socket_setsockopt(struct socket
*sock
, int level
, int optname
)
1059 return security_ops
->socket_setsockopt(sock
, level
, optname
);
1062 int security_socket_shutdown(struct socket
*sock
, int how
)
1064 return security_ops
->socket_shutdown(sock
, how
);
1067 int security_sock_rcv_skb(struct sock
*sk
, struct sk_buff
*skb
)
1069 return security_ops
->socket_sock_rcv_skb(sk
, skb
);
1071 EXPORT_SYMBOL(security_sock_rcv_skb
);
1073 int security_socket_getpeersec_stream(struct socket
*sock
, char __user
*optval
,
1074 int __user
*optlen
, unsigned len
)
1076 return security_ops
->socket_getpeersec_stream(sock
, optval
, optlen
, len
);
1079 int security_socket_getpeersec_dgram(struct socket
*sock
, struct sk_buff
*skb
, u32
*secid
)
1081 return security_ops
->socket_getpeersec_dgram(sock
, skb
, secid
);
1083 EXPORT_SYMBOL(security_socket_getpeersec_dgram
);
1085 int security_sk_alloc(struct sock
*sk
, int family
, gfp_t priority
)
1087 return security_ops
->sk_alloc_security(sk
, family
, priority
);
1090 void security_sk_free(struct sock
*sk
)
1092 security_ops
->sk_free_security(sk
);
1095 void security_sk_clone(const struct sock
*sk
, struct sock
*newsk
)
1097 security_ops
->sk_clone_security(sk
, newsk
);
1100 void security_sk_classify_flow(struct sock
*sk
, struct flowi
*fl
)
1102 security_ops
->sk_getsecid(sk
, &fl
->secid
);
1104 EXPORT_SYMBOL(security_sk_classify_flow
);
1106 void security_req_classify_flow(const struct request_sock
*req
, struct flowi
*fl
)
1108 security_ops
->req_classify_flow(req
, fl
);
1110 EXPORT_SYMBOL(security_req_classify_flow
);
1112 void security_sock_graft(struct sock
*sk
, struct socket
*parent
)
1114 security_ops
->sock_graft(sk
, parent
);
1116 EXPORT_SYMBOL(security_sock_graft
);
1118 int security_inet_conn_request(struct sock
*sk
,
1119 struct sk_buff
*skb
, struct request_sock
*req
)
1121 return security_ops
->inet_conn_request(sk
, skb
, req
);
1123 EXPORT_SYMBOL(security_inet_conn_request
);
1125 void security_inet_csk_clone(struct sock
*newsk
,
1126 const struct request_sock
*req
)
1128 security_ops
->inet_csk_clone(newsk
, req
);
1131 void security_inet_conn_established(struct sock
*sk
,
1132 struct sk_buff
*skb
)
1134 security_ops
->inet_conn_established(sk
, skb
);
1137 int security_tun_dev_create(void)
1139 return security_ops
->tun_dev_create();
1141 EXPORT_SYMBOL(security_tun_dev_create
);
1143 void security_tun_dev_post_create(struct sock
*sk
)
1145 return security_ops
->tun_dev_post_create(sk
);
1147 EXPORT_SYMBOL(security_tun_dev_post_create
);
1149 int security_tun_dev_attach(struct sock
*sk
)
1151 return security_ops
->tun_dev_attach(sk
);
1153 EXPORT_SYMBOL(security_tun_dev_attach
);
1155 #endif /* CONFIG_SECURITY_NETWORK */
1157 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1159 int security_xfrm_policy_alloc(struct xfrm_sec_ctx
**ctxp
, struct xfrm_user_sec_ctx
*sec_ctx
)
1161 return security_ops
->xfrm_policy_alloc_security(ctxp
, sec_ctx
);
1163 EXPORT_SYMBOL(security_xfrm_policy_alloc
);
1165 int security_xfrm_policy_clone(struct xfrm_sec_ctx
*old_ctx
,
1166 struct xfrm_sec_ctx
**new_ctxp
)
1168 return security_ops
->xfrm_policy_clone_security(old_ctx
, new_ctxp
);
1171 void security_xfrm_policy_free(struct xfrm_sec_ctx
*ctx
)
1173 security_ops
->xfrm_policy_free_security(ctx
);
1175 EXPORT_SYMBOL(security_xfrm_policy_free
);
1177 int security_xfrm_policy_delete(struct xfrm_sec_ctx
*ctx
)
1179 return security_ops
->xfrm_policy_delete_security(ctx
);
1182 int security_xfrm_state_alloc(struct xfrm_state
*x
, struct xfrm_user_sec_ctx
*sec_ctx
)
1184 return security_ops
->xfrm_state_alloc_security(x
, sec_ctx
, 0);
1186 EXPORT_SYMBOL(security_xfrm_state_alloc
);
1188 int security_xfrm_state_alloc_acquire(struct xfrm_state
*x
,
1189 struct xfrm_sec_ctx
*polsec
, u32 secid
)
1194 * We want the context to be taken from secid which is usually
1197 return security_ops
->xfrm_state_alloc_security(x
, NULL
, secid
);
1200 int security_xfrm_state_delete(struct xfrm_state
*x
)
1202 return security_ops
->xfrm_state_delete_security(x
);
1204 EXPORT_SYMBOL(security_xfrm_state_delete
);
1206 void security_xfrm_state_free(struct xfrm_state
*x
)
1208 security_ops
->xfrm_state_free_security(x
);
1211 int security_xfrm_policy_lookup(struct xfrm_sec_ctx
*ctx
, u32 fl_secid
, u8 dir
)
1213 return security_ops
->xfrm_policy_lookup(ctx
, fl_secid
, dir
);
1216 int security_xfrm_state_pol_flow_match(struct xfrm_state
*x
,
1217 struct xfrm_policy
*xp
, struct flowi
*fl
)
1219 return security_ops
->xfrm_state_pol_flow_match(x
, xp
, fl
);
1222 int security_xfrm_decode_session(struct sk_buff
*skb
, u32
*secid
)
1224 return security_ops
->xfrm_decode_session(skb
, secid
, 1);
1227 void security_skb_classify_flow(struct sk_buff
*skb
, struct flowi
*fl
)
1229 int rc
= security_ops
->xfrm_decode_session(skb
, &fl
->secid
, 0);
1233 EXPORT_SYMBOL(security_skb_classify_flow
);
1235 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1239 int security_key_alloc(struct key
*key
, const struct cred
*cred
,
1240 unsigned long flags
)
1242 return security_ops
->key_alloc(key
, cred
, flags
);
1245 void security_key_free(struct key
*key
)
1247 security_ops
->key_free(key
);
1250 int security_key_permission(key_ref_t key_ref
,
1251 const struct cred
*cred
, key_perm_t perm
)
1253 return security_ops
->key_permission(key_ref
, cred
, perm
);
1256 int security_key_getsecurity(struct key
*key
, char **_buffer
)
1258 return security_ops
->key_getsecurity(key
, _buffer
);
1261 #endif /* CONFIG_KEYS */
1265 int security_audit_rule_init(u32 field
, u32 op
, char *rulestr
, void **lsmrule
)
1267 return security_ops
->audit_rule_init(field
, op
, rulestr
, lsmrule
);
1270 int security_audit_rule_known(struct audit_krule
*krule
)
1272 return security_ops
->audit_rule_known(krule
);
1275 void security_audit_rule_free(void *lsmrule
)
1277 security_ops
->audit_rule_free(lsmrule
);
1280 int security_audit_rule_match(u32 secid
, u32 field
, u32 op
, void *lsmrule
,
1281 struct audit_context
*actx
)
1283 return security_ops
->audit_rule_match(secid
, field
, op
, lsmrule
, actx
);
1286 #endif /* CONFIG_AUDIT */