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 dummy.c */
24 extern struct security_operations dummy_security_ops
;
25 extern void security_fixup_ops(struct security_operations
*ops
);
27 struct security_operations
*security_ops
; /* Initialized to NULL */
29 /* amount of vm to protect from userspace access */
30 unsigned long mmap_min_addr
= CONFIG_SECURITY_DEFAULT_MMAP_MIN_ADDR
;
32 static inline int verify(struct security_operations
*ops
)
34 /* verify the security_operations structure exists */
37 security_fixup_ops(ops
);
41 static void __init
do_security_initcalls(void)
44 call
= __security_initcall_start
;
45 while (call
< __security_initcall_end
) {
52 * security_init - initializes the security framework
54 * This should be called early in the kernel initialization sequence.
56 int __init
security_init(void)
58 printk(KERN_INFO
"Security Framework initialized\n");
60 if (verify(&dummy_security_ops
)) {
61 printk(KERN_ERR
"%s could not verify "
62 "dummy_security_ops structure.\n", __func__
);
66 security_ops
= &dummy_security_ops
;
67 do_security_initcalls();
72 /* Save user chosen LSM */
73 static int __init
choose_lsm(char *str
)
75 strncpy(chosen_lsm
, str
, SECURITY_NAME_MAX
);
78 __setup("security=", choose_lsm
);
81 * security_module_enable - Load given security module on boot ?
82 * @ops: a pointer to the struct security_operations that is to be checked.
84 * Each LSM must pass this method before registering its own operations
85 * to avoid security registration races. This method may also be used
86 * to check if your LSM is currently loaded during kernel initialization.
89 * -The passed LSM is the one chosen by user at boot time,
90 * -or user didsn't specify a specific LSM and we're the first to ask
91 * for registeration permissoin,
92 * -or the passed LSM is currently loaded.
93 * Otherwise, return false.
95 int __init
security_module_enable(struct security_operations
*ops
)
98 strncpy(chosen_lsm
, ops
->name
, SECURITY_NAME_MAX
);
99 else if (strncmp(ops
->name
, chosen_lsm
, SECURITY_NAME_MAX
))
106 * register_security - registers a security framework with the kernel
107 * @ops: a pointer to the struct security_options that is to be registered
109 * This function is to allow a security module to register itself with the
110 * kernel security subsystem. Some rudimentary checking is done on the @ops
111 * value passed to this function. You'll need to check first if your LSM
112 * is allowed to register its @ops by calling security_module_enable(@ops).
114 * If there is already a security module registered with the kernel,
115 * an error will be returned. Otherwise 0 is returned on success.
117 int register_security(struct security_operations
*ops
)
120 printk(KERN_DEBUG
"%s could not verify "
121 "security_operations structure.\n", __func__
);
125 if (security_ops
!= &dummy_security_ops
)
134 * mod_reg_security - allows security modules to be "stacked"
135 * @name: a pointer to a string with the name of the security_options to be registered
136 * @ops: a pointer to the struct security_options that is to be registered
138 * This function allows security modules to be stacked if the currently loaded
139 * security module allows this to happen. It passes the @name and @ops to the
140 * register_security function of the currently loaded security module.
142 * The return value depends on the currently loaded security module, with 0 as
145 int mod_reg_security(const char *name
, struct security_operations
*ops
)
148 printk(KERN_INFO
"%s could not verify "
149 "security operations.\n", __func__
);
153 if (ops
== security_ops
) {
154 printk(KERN_INFO
"%s security operations "
155 "already registered.\n", __func__
);
159 return security_ops
->register_security(name
, ops
);
162 /* Security operations */
164 int security_ptrace(struct task_struct
*parent
, struct task_struct
*child
,
167 return security_ops
->ptrace(parent
, child
, mode
);
170 int security_capget(struct task_struct
*target
,
171 kernel_cap_t
*effective
,
172 kernel_cap_t
*inheritable
,
173 kernel_cap_t
*permitted
)
175 return security_ops
->capget(target
, effective
, inheritable
, permitted
);
178 int security_capset_check(struct task_struct
*target
,
179 kernel_cap_t
*effective
,
180 kernel_cap_t
*inheritable
,
181 kernel_cap_t
*permitted
)
183 return security_ops
->capset_check(target
, effective
, inheritable
, permitted
);
186 void security_capset_set(struct task_struct
*target
,
187 kernel_cap_t
*effective
,
188 kernel_cap_t
*inheritable
,
189 kernel_cap_t
*permitted
)
191 security_ops
->capset_set(target
, effective
, inheritable
, permitted
);
194 int security_capable(struct task_struct
*tsk
, int cap
)
196 return security_ops
->capable(tsk
, cap
);
199 int security_acct(struct file
*file
)
201 return security_ops
->acct(file
);
204 int security_sysctl(struct ctl_table
*table
, int op
)
206 return security_ops
->sysctl(table
, op
);
209 int security_quotactl(int cmds
, int type
, int id
, struct super_block
*sb
)
211 return security_ops
->quotactl(cmds
, type
, id
, sb
);
214 int security_quota_on(struct dentry
*dentry
)
216 return security_ops
->quota_on(dentry
);
219 int security_syslog(int type
)
221 return security_ops
->syslog(type
);
224 int security_settime(struct timespec
*ts
, struct timezone
*tz
)
226 return security_ops
->settime(ts
, tz
);
229 int security_vm_enough_memory(long pages
)
231 return security_ops
->vm_enough_memory(current
->mm
, pages
);
234 int security_vm_enough_memory_mm(struct mm_struct
*mm
, long pages
)
236 return security_ops
->vm_enough_memory(mm
, pages
);
239 int security_bprm_alloc(struct linux_binprm
*bprm
)
241 return security_ops
->bprm_alloc_security(bprm
);
244 void security_bprm_free(struct linux_binprm
*bprm
)
246 security_ops
->bprm_free_security(bprm
);
249 void security_bprm_apply_creds(struct linux_binprm
*bprm
, int unsafe
)
251 security_ops
->bprm_apply_creds(bprm
, unsafe
);
254 void security_bprm_post_apply_creds(struct linux_binprm
*bprm
)
256 security_ops
->bprm_post_apply_creds(bprm
);
259 int security_bprm_set(struct linux_binprm
*bprm
)
261 return security_ops
->bprm_set_security(bprm
);
264 int security_bprm_check(struct linux_binprm
*bprm
)
266 return security_ops
->bprm_check_security(bprm
);
269 int security_bprm_secureexec(struct linux_binprm
*bprm
)
271 return security_ops
->bprm_secureexec(bprm
);
274 int security_sb_alloc(struct super_block
*sb
)
276 return security_ops
->sb_alloc_security(sb
);
279 void security_sb_free(struct super_block
*sb
)
281 security_ops
->sb_free_security(sb
);
284 int security_sb_copy_data(char *orig
, char *copy
)
286 return security_ops
->sb_copy_data(orig
, copy
);
288 EXPORT_SYMBOL(security_sb_copy_data
);
290 int security_sb_kern_mount(struct super_block
*sb
, void *data
)
292 return security_ops
->sb_kern_mount(sb
, data
);
295 int security_sb_statfs(struct dentry
*dentry
)
297 return security_ops
->sb_statfs(dentry
);
300 int security_sb_mount(char *dev_name
, struct path
*path
,
301 char *type
, unsigned long flags
, void *data
)
303 return security_ops
->sb_mount(dev_name
, path
, type
, flags
, data
);
306 int security_sb_check_sb(struct vfsmount
*mnt
, struct path
*path
)
308 return security_ops
->sb_check_sb(mnt
, path
);
311 int security_sb_umount(struct vfsmount
*mnt
, int flags
)
313 return security_ops
->sb_umount(mnt
, flags
);
316 void security_sb_umount_close(struct vfsmount
*mnt
)
318 security_ops
->sb_umount_close(mnt
);
321 void security_sb_umount_busy(struct vfsmount
*mnt
)
323 security_ops
->sb_umount_busy(mnt
);
326 void security_sb_post_remount(struct vfsmount
*mnt
, unsigned long flags
, void *data
)
328 security_ops
->sb_post_remount(mnt
, flags
, data
);
331 void security_sb_post_addmount(struct vfsmount
*mnt
, struct path
*mountpoint
)
333 security_ops
->sb_post_addmount(mnt
, mountpoint
);
336 int security_sb_pivotroot(struct path
*old_path
, struct path
*new_path
)
338 return security_ops
->sb_pivotroot(old_path
, new_path
);
341 void security_sb_post_pivotroot(struct path
*old_path
, struct path
*new_path
)
343 security_ops
->sb_post_pivotroot(old_path
, new_path
);
346 int security_sb_get_mnt_opts(const struct super_block
*sb
,
347 struct security_mnt_opts
*opts
)
349 return security_ops
->sb_get_mnt_opts(sb
, opts
);
352 int security_sb_set_mnt_opts(struct super_block
*sb
,
353 struct security_mnt_opts
*opts
)
355 return security_ops
->sb_set_mnt_opts(sb
, opts
);
357 EXPORT_SYMBOL(security_sb_set_mnt_opts
);
359 void security_sb_clone_mnt_opts(const struct super_block
*oldsb
,
360 struct super_block
*newsb
)
362 security_ops
->sb_clone_mnt_opts(oldsb
, newsb
);
364 EXPORT_SYMBOL(security_sb_clone_mnt_opts
);
366 int security_sb_parse_opts_str(char *options
, struct security_mnt_opts
*opts
)
368 return security_ops
->sb_parse_opts_str(options
, opts
);
370 EXPORT_SYMBOL(security_sb_parse_opts_str
);
372 int security_inode_alloc(struct inode
*inode
)
374 inode
->i_security
= NULL
;
375 return security_ops
->inode_alloc_security(inode
);
378 void security_inode_free(struct inode
*inode
)
380 security_ops
->inode_free_security(inode
);
383 int security_inode_init_security(struct inode
*inode
, struct inode
*dir
,
384 char **name
, void **value
, size_t *len
)
386 if (unlikely(IS_PRIVATE(inode
)))
388 return security_ops
->inode_init_security(inode
, dir
, name
, value
, len
);
390 EXPORT_SYMBOL(security_inode_init_security
);
392 int security_inode_create(struct inode
*dir
, struct dentry
*dentry
, int mode
)
394 if (unlikely(IS_PRIVATE(dir
)))
396 return security_ops
->inode_create(dir
, dentry
, mode
);
399 int security_inode_link(struct dentry
*old_dentry
, struct inode
*dir
,
400 struct dentry
*new_dentry
)
402 if (unlikely(IS_PRIVATE(old_dentry
->d_inode
)))
404 return security_ops
->inode_link(old_dentry
, dir
, new_dentry
);
407 int security_inode_unlink(struct inode
*dir
, struct dentry
*dentry
)
409 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
411 return security_ops
->inode_unlink(dir
, dentry
);
414 int security_inode_symlink(struct inode
*dir
, struct dentry
*dentry
,
415 const char *old_name
)
417 if (unlikely(IS_PRIVATE(dir
)))
419 return security_ops
->inode_symlink(dir
, dentry
, old_name
);
422 int security_inode_mkdir(struct inode
*dir
, struct dentry
*dentry
, int mode
)
424 if (unlikely(IS_PRIVATE(dir
)))
426 return security_ops
->inode_mkdir(dir
, dentry
, mode
);
429 int security_inode_rmdir(struct inode
*dir
, struct dentry
*dentry
)
431 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
433 return security_ops
->inode_rmdir(dir
, dentry
);
436 int security_inode_mknod(struct inode
*dir
, struct dentry
*dentry
, int mode
, dev_t dev
)
438 if (unlikely(IS_PRIVATE(dir
)))
440 return security_ops
->inode_mknod(dir
, dentry
, mode
, dev
);
443 int security_inode_rename(struct inode
*old_dir
, struct dentry
*old_dentry
,
444 struct inode
*new_dir
, struct dentry
*new_dentry
)
446 if (unlikely(IS_PRIVATE(old_dentry
->d_inode
) ||
447 (new_dentry
->d_inode
&& IS_PRIVATE(new_dentry
->d_inode
))))
449 return security_ops
->inode_rename(old_dir
, old_dentry
,
450 new_dir
, new_dentry
);
453 int security_inode_readlink(struct dentry
*dentry
)
455 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
457 return security_ops
->inode_readlink(dentry
);
460 int security_inode_follow_link(struct dentry
*dentry
, struct nameidata
*nd
)
462 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
464 return security_ops
->inode_follow_link(dentry
, nd
);
467 int security_inode_permission(struct inode
*inode
, int mask
, struct nameidata
*nd
)
469 if (unlikely(IS_PRIVATE(inode
)))
471 return security_ops
->inode_permission(inode
, mask
, nd
);
474 int security_inode_setattr(struct dentry
*dentry
, struct iattr
*attr
)
476 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
478 return security_ops
->inode_setattr(dentry
, attr
);
481 int security_inode_getattr(struct vfsmount
*mnt
, struct dentry
*dentry
)
483 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
485 return security_ops
->inode_getattr(mnt
, dentry
);
488 void security_inode_delete(struct inode
*inode
)
490 if (unlikely(IS_PRIVATE(inode
)))
492 security_ops
->inode_delete(inode
);
495 int security_inode_setxattr(struct dentry
*dentry
, const char *name
,
496 const void *value
, size_t size
, int flags
)
498 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
500 return security_ops
->inode_setxattr(dentry
, name
, value
, size
, flags
);
503 void security_inode_post_setxattr(struct dentry
*dentry
, const char *name
,
504 const void *value
, size_t size
, int flags
)
506 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
508 security_ops
->inode_post_setxattr(dentry
, name
, value
, size
, flags
);
511 int security_inode_getxattr(struct dentry
*dentry
, const char *name
)
513 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
515 return security_ops
->inode_getxattr(dentry
, name
);
518 int security_inode_listxattr(struct dentry
*dentry
)
520 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
522 return security_ops
->inode_listxattr(dentry
);
525 int security_inode_removexattr(struct dentry
*dentry
, const char *name
)
527 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
529 return security_ops
->inode_removexattr(dentry
, name
);
532 int security_inode_need_killpriv(struct dentry
*dentry
)
534 return security_ops
->inode_need_killpriv(dentry
);
537 int security_inode_killpriv(struct dentry
*dentry
)
539 return security_ops
->inode_killpriv(dentry
);
542 int security_inode_getsecurity(const struct inode
*inode
, const char *name
, void **buffer
, bool alloc
)
544 if (unlikely(IS_PRIVATE(inode
)))
546 return security_ops
->inode_getsecurity(inode
, name
, buffer
, alloc
);
549 int security_inode_setsecurity(struct inode
*inode
, const char *name
, const void *value
, size_t size
, int flags
)
551 if (unlikely(IS_PRIVATE(inode
)))
553 return security_ops
->inode_setsecurity(inode
, name
, value
, size
, flags
);
556 int security_inode_listsecurity(struct inode
*inode
, char *buffer
, size_t buffer_size
)
558 if (unlikely(IS_PRIVATE(inode
)))
560 return security_ops
->inode_listsecurity(inode
, buffer
, buffer_size
);
563 void security_inode_getsecid(const struct inode
*inode
, u32
*secid
)
565 security_ops
->inode_getsecid(inode
, secid
);
568 int security_file_permission(struct file
*file
, int mask
)
570 return security_ops
->file_permission(file
, mask
);
573 int security_file_alloc(struct file
*file
)
575 return security_ops
->file_alloc_security(file
);
578 void security_file_free(struct file
*file
)
580 security_ops
->file_free_security(file
);
583 int security_file_ioctl(struct file
*file
, unsigned int cmd
, unsigned long arg
)
585 return security_ops
->file_ioctl(file
, cmd
, arg
);
588 int security_file_mmap(struct file
*file
, unsigned long reqprot
,
589 unsigned long prot
, unsigned long flags
,
590 unsigned long addr
, unsigned long addr_only
)
592 return security_ops
->file_mmap(file
, reqprot
, prot
, flags
, addr
, addr_only
);
595 int security_file_mprotect(struct vm_area_struct
*vma
, unsigned long reqprot
,
598 return security_ops
->file_mprotect(vma
, reqprot
, prot
);
601 int security_file_lock(struct file
*file
, unsigned int cmd
)
603 return security_ops
->file_lock(file
, cmd
);
606 int security_file_fcntl(struct file
*file
, unsigned int cmd
, unsigned long arg
)
608 return security_ops
->file_fcntl(file
, cmd
, arg
);
611 int security_file_set_fowner(struct file
*file
)
613 return security_ops
->file_set_fowner(file
);
616 int security_file_send_sigiotask(struct task_struct
*tsk
,
617 struct fown_struct
*fown
, int sig
)
619 return security_ops
->file_send_sigiotask(tsk
, fown
, sig
);
622 int security_file_receive(struct file
*file
)
624 return security_ops
->file_receive(file
);
627 int security_dentry_open(struct file
*file
)
629 return security_ops
->dentry_open(file
);
632 int security_task_create(unsigned long clone_flags
)
634 return security_ops
->task_create(clone_flags
);
637 int security_task_alloc(struct task_struct
*p
)
639 return security_ops
->task_alloc_security(p
);
642 void security_task_free(struct task_struct
*p
)
644 security_ops
->task_free_security(p
);
647 int security_task_setuid(uid_t id0
, uid_t id1
, uid_t id2
, int flags
)
649 return security_ops
->task_setuid(id0
, id1
, id2
, flags
);
652 int security_task_post_setuid(uid_t old_ruid
, uid_t old_euid
,
653 uid_t old_suid
, int flags
)
655 return security_ops
->task_post_setuid(old_ruid
, old_euid
, old_suid
, flags
);
658 int security_task_setgid(gid_t id0
, gid_t id1
, gid_t id2
, int flags
)
660 return security_ops
->task_setgid(id0
, id1
, id2
, flags
);
663 int security_task_setpgid(struct task_struct
*p
, pid_t pgid
)
665 return security_ops
->task_setpgid(p
, pgid
);
668 int security_task_getpgid(struct task_struct
*p
)
670 return security_ops
->task_getpgid(p
);
673 int security_task_getsid(struct task_struct
*p
)
675 return security_ops
->task_getsid(p
);
678 void security_task_getsecid(struct task_struct
*p
, u32
*secid
)
680 security_ops
->task_getsecid(p
, secid
);
682 EXPORT_SYMBOL(security_task_getsecid
);
684 int security_task_setgroups(struct group_info
*group_info
)
686 return security_ops
->task_setgroups(group_info
);
689 int security_task_setnice(struct task_struct
*p
, int nice
)
691 return security_ops
->task_setnice(p
, nice
);
694 int security_task_setioprio(struct task_struct
*p
, int ioprio
)
696 return security_ops
->task_setioprio(p
, ioprio
);
699 int security_task_getioprio(struct task_struct
*p
)
701 return security_ops
->task_getioprio(p
);
704 int security_task_setrlimit(unsigned int resource
, struct rlimit
*new_rlim
)
706 return security_ops
->task_setrlimit(resource
, new_rlim
);
709 int security_task_setscheduler(struct task_struct
*p
,
710 int policy
, struct sched_param
*lp
)
712 return security_ops
->task_setscheduler(p
, policy
, lp
);
715 int security_task_getscheduler(struct task_struct
*p
)
717 return security_ops
->task_getscheduler(p
);
720 int security_task_movememory(struct task_struct
*p
)
722 return security_ops
->task_movememory(p
);
725 int security_task_kill(struct task_struct
*p
, struct siginfo
*info
,
728 return security_ops
->task_kill(p
, info
, sig
, secid
);
731 int security_task_wait(struct task_struct
*p
)
733 return security_ops
->task_wait(p
);
736 int security_task_prctl(int option
, unsigned long arg2
, unsigned long arg3
,
737 unsigned long arg4
, unsigned long arg5
, long *rc_p
)
739 return security_ops
->task_prctl(option
, arg2
, arg3
, arg4
, arg5
, rc_p
);
742 void security_task_reparent_to_init(struct task_struct
*p
)
744 security_ops
->task_reparent_to_init(p
);
747 void security_task_to_inode(struct task_struct
*p
, struct inode
*inode
)
749 security_ops
->task_to_inode(p
, inode
);
752 int security_ipc_permission(struct kern_ipc_perm
*ipcp
, short flag
)
754 return security_ops
->ipc_permission(ipcp
, flag
);
757 void security_ipc_getsecid(struct kern_ipc_perm
*ipcp
, u32
*secid
)
759 security_ops
->ipc_getsecid(ipcp
, secid
);
762 int security_msg_msg_alloc(struct msg_msg
*msg
)
764 return security_ops
->msg_msg_alloc_security(msg
);
767 void security_msg_msg_free(struct msg_msg
*msg
)
769 security_ops
->msg_msg_free_security(msg
);
772 int security_msg_queue_alloc(struct msg_queue
*msq
)
774 return security_ops
->msg_queue_alloc_security(msq
);
777 void security_msg_queue_free(struct msg_queue
*msq
)
779 security_ops
->msg_queue_free_security(msq
);
782 int security_msg_queue_associate(struct msg_queue
*msq
, int msqflg
)
784 return security_ops
->msg_queue_associate(msq
, msqflg
);
787 int security_msg_queue_msgctl(struct msg_queue
*msq
, int cmd
)
789 return security_ops
->msg_queue_msgctl(msq
, cmd
);
792 int security_msg_queue_msgsnd(struct msg_queue
*msq
,
793 struct msg_msg
*msg
, int msqflg
)
795 return security_ops
->msg_queue_msgsnd(msq
, msg
, msqflg
);
798 int security_msg_queue_msgrcv(struct msg_queue
*msq
, struct msg_msg
*msg
,
799 struct task_struct
*target
, long type
, int mode
)
801 return security_ops
->msg_queue_msgrcv(msq
, msg
, target
, type
, mode
);
804 int security_shm_alloc(struct shmid_kernel
*shp
)
806 return security_ops
->shm_alloc_security(shp
);
809 void security_shm_free(struct shmid_kernel
*shp
)
811 security_ops
->shm_free_security(shp
);
814 int security_shm_associate(struct shmid_kernel
*shp
, int shmflg
)
816 return security_ops
->shm_associate(shp
, shmflg
);
819 int security_shm_shmctl(struct shmid_kernel
*shp
, int cmd
)
821 return security_ops
->shm_shmctl(shp
, cmd
);
824 int security_shm_shmat(struct shmid_kernel
*shp
, char __user
*shmaddr
, int shmflg
)
826 return security_ops
->shm_shmat(shp
, shmaddr
, shmflg
);
829 int security_sem_alloc(struct sem_array
*sma
)
831 return security_ops
->sem_alloc_security(sma
);
834 void security_sem_free(struct sem_array
*sma
)
836 security_ops
->sem_free_security(sma
);
839 int security_sem_associate(struct sem_array
*sma
, int semflg
)
841 return security_ops
->sem_associate(sma
, semflg
);
844 int security_sem_semctl(struct sem_array
*sma
, int cmd
)
846 return security_ops
->sem_semctl(sma
, cmd
);
849 int security_sem_semop(struct sem_array
*sma
, struct sembuf
*sops
,
850 unsigned nsops
, int alter
)
852 return security_ops
->sem_semop(sma
, sops
, nsops
, alter
);
855 void security_d_instantiate(struct dentry
*dentry
, struct inode
*inode
)
857 if (unlikely(inode
&& IS_PRIVATE(inode
)))
859 security_ops
->d_instantiate(dentry
, inode
);
861 EXPORT_SYMBOL(security_d_instantiate
);
863 int security_getprocattr(struct task_struct
*p
, char *name
, char **value
)
865 return security_ops
->getprocattr(p
, name
, value
);
868 int security_setprocattr(struct task_struct
*p
, char *name
, void *value
, size_t size
)
870 return security_ops
->setprocattr(p
, name
, value
, size
);
873 int security_netlink_send(struct sock
*sk
, struct sk_buff
*skb
)
875 return security_ops
->netlink_send(sk
, skb
);
878 int security_netlink_recv(struct sk_buff
*skb
, int cap
)
880 return security_ops
->netlink_recv(skb
, cap
);
882 EXPORT_SYMBOL(security_netlink_recv
);
884 int security_secid_to_secctx(u32 secid
, char **secdata
, u32
*seclen
)
886 return security_ops
->secid_to_secctx(secid
, secdata
, seclen
);
888 EXPORT_SYMBOL(security_secid_to_secctx
);
890 int security_secctx_to_secid(const char *secdata
, u32 seclen
, u32
*secid
)
892 return security_ops
->secctx_to_secid(secdata
, seclen
, secid
);
894 EXPORT_SYMBOL(security_secctx_to_secid
);
896 void security_release_secctx(char *secdata
, u32 seclen
)
898 return security_ops
->release_secctx(secdata
, seclen
);
900 EXPORT_SYMBOL(security_release_secctx
);
902 #ifdef CONFIG_SECURITY_NETWORK
904 int security_unix_stream_connect(struct socket
*sock
, struct socket
*other
,
907 return security_ops
->unix_stream_connect(sock
, other
, newsk
);
909 EXPORT_SYMBOL(security_unix_stream_connect
);
911 int security_unix_may_send(struct socket
*sock
, struct socket
*other
)
913 return security_ops
->unix_may_send(sock
, other
);
915 EXPORT_SYMBOL(security_unix_may_send
);
917 int security_socket_create(int family
, int type
, int protocol
, int kern
)
919 return security_ops
->socket_create(family
, type
, protocol
, kern
);
922 int security_socket_post_create(struct socket
*sock
, int family
,
923 int type
, int protocol
, int kern
)
925 return security_ops
->socket_post_create(sock
, family
, type
,
929 int security_socket_bind(struct socket
*sock
, struct sockaddr
*address
, int addrlen
)
931 return security_ops
->socket_bind(sock
, address
, addrlen
);
934 int security_socket_connect(struct socket
*sock
, struct sockaddr
*address
, int addrlen
)
936 return security_ops
->socket_connect(sock
, address
, addrlen
);
939 int security_socket_listen(struct socket
*sock
, int backlog
)
941 return security_ops
->socket_listen(sock
, backlog
);
944 int security_socket_accept(struct socket
*sock
, struct socket
*newsock
)
946 return security_ops
->socket_accept(sock
, newsock
);
949 void security_socket_post_accept(struct socket
*sock
, struct socket
*newsock
)
951 security_ops
->socket_post_accept(sock
, newsock
);
954 int security_socket_sendmsg(struct socket
*sock
, struct msghdr
*msg
, int size
)
956 return security_ops
->socket_sendmsg(sock
, msg
, size
);
959 int security_socket_recvmsg(struct socket
*sock
, struct msghdr
*msg
,
962 return security_ops
->socket_recvmsg(sock
, msg
, size
, flags
);
965 int security_socket_getsockname(struct socket
*sock
)
967 return security_ops
->socket_getsockname(sock
);
970 int security_socket_getpeername(struct socket
*sock
)
972 return security_ops
->socket_getpeername(sock
);
975 int security_socket_getsockopt(struct socket
*sock
, int level
, int optname
)
977 return security_ops
->socket_getsockopt(sock
, level
, optname
);
980 int security_socket_setsockopt(struct socket
*sock
, int level
, int optname
)
982 return security_ops
->socket_setsockopt(sock
, level
, optname
);
985 int security_socket_shutdown(struct socket
*sock
, int how
)
987 return security_ops
->socket_shutdown(sock
, how
);
990 int security_sock_rcv_skb(struct sock
*sk
, struct sk_buff
*skb
)
992 return security_ops
->socket_sock_rcv_skb(sk
, skb
);
994 EXPORT_SYMBOL(security_sock_rcv_skb
);
996 int security_socket_getpeersec_stream(struct socket
*sock
, char __user
*optval
,
997 int __user
*optlen
, unsigned len
)
999 return security_ops
->socket_getpeersec_stream(sock
, optval
, optlen
, len
);
1002 int security_socket_getpeersec_dgram(struct socket
*sock
, struct sk_buff
*skb
, u32
*secid
)
1004 return security_ops
->socket_getpeersec_dgram(sock
, skb
, secid
);
1006 EXPORT_SYMBOL(security_socket_getpeersec_dgram
);
1008 int security_sk_alloc(struct sock
*sk
, int family
, gfp_t priority
)
1010 return security_ops
->sk_alloc_security(sk
, family
, priority
);
1013 void security_sk_free(struct sock
*sk
)
1015 return security_ops
->sk_free_security(sk
);
1018 void security_sk_clone(const struct sock
*sk
, struct sock
*newsk
)
1020 return security_ops
->sk_clone_security(sk
, newsk
);
1023 void security_sk_classify_flow(struct sock
*sk
, struct flowi
*fl
)
1025 security_ops
->sk_getsecid(sk
, &fl
->secid
);
1027 EXPORT_SYMBOL(security_sk_classify_flow
);
1029 void security_req_classify_flow(const struct request_sock
*req
, struct flowi
*fl
)
1031 security_ops
->req_classify_flow(req
, fl
);
1033 EXPORT_SYMBOL(security_req_classify_flow
);
1035 void security_sock_graft(struct sock
*sk
, struct socket
*parent
)
1037 security_ops
->sock_graft(sk
, parent
);
1039 EXPORT_SYMBOL(security_sock_graft
);
1041 int security_inet_conn_request(struct sock
*sk
,
1042 struct sk_buff
*skb
, struct request_sock
*req
)
1044 return security_ops
->inet_conn_request(sk
, skb
, req
);
1046 EXPORT_SYMBOL(security_inet_conn_request
);
1048 void security_inet_csk_clone(struct sock
*newsk
,
1049 const struct request_sock
*req
)
1051 security_ops
->inet_csk_clone(newsk
, req
);
1054 void security_inet_conn_established(struct sock
*sk
,
1055 struct sk_buff
*skb
)
1057 security_ops
->inet_conn_established(sk
, skb
);
1060 #endif /* CONFIG_SECURITY_NETWORK */
1062 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1064 int security_xfrm_policy_alloc(struct xfrm_sec_ctx
**ctxp
, struct xfrm_user_sec_ctx
*sec_ctx
)
1066 return security_ops
->xfrm_policy_alloc_security(ctxp
, sec_ctx
);
1068 EXPORT_SYMBOL(security_xfrm_policy_alloc
);
1070 int security_xfrm_policy_clone(struct xfrm_sec_ctx
*old_ctx
,
1071 struct xfrm_sec_ctx
**new_ctxp
)
1073 return security_ops
->xfrm_policy_clone_security(old_ctx
, new_ctxp
);
1076 void security_xfrm_policy_free(struct xfrm_sec_ctx
*ctx
)
1078 security_ops
->xfrm_policy_free_security(ctx
);
1080 EXPORT_SYMBOL(security_xfrm_policy_free
);
1082 int security_xfrm_policy_delete(struct xfrm_sec_ctx
*ctx
)
1084 return security_ops
->xfrm_policy_delete_security(ctx
);
1087 int security_xfrm_state_alloc(struct xfrm_state
*x
, struct xfrm_user_sec_ctx
*sec_ctx
)
1089 return security_ops
->xfrm_state_alloc_security(x
, sec_ctx
, 0);
1091 EXPORT_SYMBOL(security_xfrm_state_alloc
);
1093 int security_xfrm_state_alloc_acquire(struct xfrm_state
*x
,
1094 struct xfrm_sec_ctx
*polsec
, u32 secid
)
1099 * We want the context to be taken from secid which is usually
1102 return security_ops
->xfrm_state_alloc_security(x
, NULL
, secid
);
1105 int security_xfrm_state_delete(struct xfrm_state
*x
)
1107 return security_ops
->xfrm_state_delete_security(x
);
1109 EXPORT_SYMBOL(security_xfrm_state_delete
);
1111 void security_xfrm_state_free(struct xfrm_state
*x
)
1113 security_ops
->xfrm_state_free_security(x
);
1116 int security_xfrm_policy_lookup(struct xfrm_sec_ctx
*ctx
, u32 fl_secid
, u8 dir
)
1118 return security_ops
->xfrm_policy_lookup(ctx
, fl_secid
, dir
);
1121 int security_xfrm_state_pol_flow_match(struct xfrm_state
*x
,
1122 struct xfrm_policy
*xp
, struct flowi
*fl
)
1124 return security_ops
->xfrm_state_pol_flow_match(x
, xp
, fl
);
1127 int security_xfrm_decode_session(struct sk_buff
*skb
, u32
*secid
)
1129 return security_ops
->xfrm_decode_session(skb
, secid
, 1);
1132 void security_skb_classify_flow(struct sk_buff
*skb
, struct flowi
*fl
)
1134 int rc
= security_ops
->xfrm_decode_session(skb
, &fl
->secid
, 0);
1138 EXPORT_SYMBOL(security_skb_classify_flow
);
1140 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1144 int security_key_alloc(struct key
*key
, struct task_struct
*tsk
, unsigned long flags
)
1146 return security_ops
->key_alloc(key
, tsk
, flags
);
1149 void security_key_free(struct key
*key
)
1151 security_ops
->key_free(key
);
1154 int security_key_permission(key_ref_t key_ref
,
1155 struct task_struct
*context
, key_perm_t perm
)
1157 return security_ops
->key_permission(key_ref
, context
, perm
);
1160 int security_key_getsecurity(struct key
*key
, char **_buffer
)
1162 return security_ops
->key_getsecurity(key
, _buffer
);
1165 #endif /* CONFIG_KEYS */
1169 int security_audit_rule_init(u32 field
, u32 op
, char *rulestr
, void **lsmrule
)
1171 return security_ops
->audit_rule_init(field
, op
, rulestr
, lsmrule
);
1174 int security_audit_rule_known(struct audit_krule
*krule
)
1176 return security_ops
->audit_rule_known(krule
);
1179 void security_audit_rule_free(void *lsmrule
)
1181 security_ops
->audit_rule_free(lsmrule
);
1184 int security_audit_rule_match(u32 secid
, u32 field
, u32 op
, void *lsmrule
,
1185 struct audit_context
*actx
)
1187 return security_ops
->audit_rule_match(secid
, field
, op
, lsmrule
, actx
);
1190 #endif /* CONFIG_AUDIT */