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 * Otherwise, return false.
95 int __init
security_module_enable(struct security_operations
*ops
)
97 return !strcmp(ops
->name
, chosen_lsm
);
101 * register_security - registers a security framework with the kernel
102 * @ops: a pointer to the struct security_options that is to be registered
104 * This function allows a security module to register itself with the
105 * kernel security subsystem. Some rudimentary checking is done on the @ops
106 * value passed to this function. You'll need to check first if your LSM
107 * is allowed to register its @ops by calling security_module_enable(@ops).
109 * If there is already a security module registered with the kernel,
110 * an error will be returned. Otherwise %0 is returned on success.
112 int __init
register_security(struct security_operations
*ops
)
115 printk(KERN_DEBUG
"%s could not verify "
116 "security_operations structure.\n", __func__
);
120 if (security_ops
!= &default_security_ops
)
128 /* Security operations */
130 int security_ptrace_access_check(struct task_struct
*child
, unsigned int mode
)
132 return security_ops
->ptrace_access_check(child
, mode
);
135 int security_ptrace_traceme(struct task_struct
*parent
)
137 return security_ops
->ptrace_traceme(parent
);
140 int security_capget(struct task_struct
*target
,
141 kernel_cap_t
*effective
,
142 kernel_cap_t
*inheritable
,
143 kernel_cap_t
*permitted
)
145 return security_ops
->capget(target
, effective
, inheritable
, permitted
);
148 int security_capset(struct cred
*new, const struct cred
*old
,
149 const kernel_cap_t
*effective
,
150 const kernel_cap_t
*inheritable
,
151 const kernel_cap_t
*permitted
)
153 return security_ops
->capset(new, old
,
154 effective
, inheritable
, permitted
);
157 int security_capable(const struct cred
*cred
, struct user_namespace
*ns
,
160 return security_ops
->capable(cred
, ns
, cap
, SECURITY_CAP_AUDIT
);
163 int security_capable_noaudit(const struct cred
*cred
, struct user_namespace
*ns
,
166 return security_ops
->capable(cred
, ns
, cap
, SECURITY_CAP_NOAUDIT
);
169 int security_quotactl(int cmds
, int type
, int id
, struct super_block
*sb
)
171 return security_ops
->quotactl(cmds
, type
, id
, sb
);
174 int security_quota_on(struct dentry
*dentry
)
176 return security_ops
->quota_on(dentry
);
179 int security_syslog(int type
)
181 return security_ops
->syslog(type
);
184 int security_settime(const struct timespec
*ts
, const struct timezone
*tz
)
186 return security_ops
->settime(ts
, tz
);
189 int security_vm_enough_memory(long pages
)
191 WARN_ON(current
->mm
== NULL
);
192 return security_ops
->vm_enough_memory(current
->mm
, pages
);
195 int security_vm_enough_memory_mm(struct mm_struct
*mm
, long pages
)
198 return security_ops
->vm_enough_memory(mm
, pages
);
201 int security_vm_enough_memory_kern(long pages
)
203 /* If current->mm is a kernel thread then we will pass NULL,
204 for this specific case that is fine */
205 return security_ops
->vm_enough_memory(current
->mm
, pages
);
208 int security_bprm_set_creds(struct linux_binprm
*bprm
)
210 return security_ops
->bprm_set_creds(bprm
);
213 int security_bprm_check(struct linux_binprm
*bprm
)
217 ret
= security_ops
->bprm_check_security(bprm
);
220 return ima_bprm_check(bprm
);
223 void security_bprm_committing_creds(struct linux_binprm
*bprm
)
225 security_ops
->bprm_committing_creds(bprm
);
228 void security_bprm_committed_creds(struct linux_binprm
*bprm
)
230 security_ops
->bprm_committed_creds(bprm
);
233 int security_bprm_secureexec(struct linux_binprm
*bprm
)
235 return security_ops
->bprm_secureexec(bprm
);
238 int security_sb_alloc(struct super_block
*sb
)
240 return security_ops
->sb_alloc_security(sb
);
243 void security_sb_free(struct super_block
*sb
)
245 security_ops
->sb_free_security(sb
);
248 int security_sb_copy_data(char *orig
, char *copy
)
250 return security_ops
->sb_copy_data(orig
, copy
);
252 EXPORT_SYMBOL(security_sb_copy_data
);
254 int security_sb_remount(struct super_block
*sb
, void *data
)
256 return security_ops
->sb_remount(sb
, data
);
259 int security_sb_kern_mount(struct super_block
*sb
, int flags
, void *data
)
261 return security_ops
->sb_kern_mount(sb
, flags
, data
);
264 int security_sb_show_options(struct seq_file
*m
, struct super_block
*sb
)
266 return security_ops
->sb_show_options(m
, sb
);
269 int security_sb_statfs(struct dentry
*dentry
)
271 return security_ops
->sb_statfs(dentry
);
274 int security_sb_mount(char *dev_name
, struct path
*path
,
275 char *type
, unsigned long flags
, void *data
)
277 return security_ops
->sb_mount(dev_name
, path
, type
, flags
, data
);
280 int security_sb_umount(struct vfsmount
*mnt
, int flags
)
282 return security_ops
->sb_umount(mnt
, flags
);
285 int security_sb_pivotroot(struct path
*old_path
, struct path
*new_path
)
287 return security_ops
->sb_pivotroot(old_path
, new_path
);
290 int security_sb_set_mnt_opts(struct super_block
*sb
,
291 struct security_mnt_opts
*opts
)
293 return security_ops
->sb_set_mnt_opts(sb
, opts
);
295 EXPORT_SYMBOL(security_sb_set_mnt_opts
);
297 void security_sb_clone_mnt_opts(const struct super_block
*oldsb
,
298 struct super_block
*newsb
)
300 security_ops
->sb_clone_mnt_opts(oldsb
, newsb
);
302 EXPORT_SYMBOL(security_sb_clone_mnt_opts
);
304 int security_sb_parse_opts_str(char *options
, struct security_mnt_opts
*opts
)
306 return security_ops
->sb_parse_opts_str(options
, opts
);
308 EXPORT_SYMBOL(security_sb_parse_opts_str
);
310 int security_inode_alloc(struct inode
*inode
)
312 inode
->i_security
= NULL
;
313 return security_ops
->inode_alloc_security(inode
);
316 void security_inode_free(struct inode
*inode
)
318 ima_inode_free(inode
);
319 security_ops
->inode_free_security(inode
);
322 int security_inode_init_security(struct inode
*inode
, struct inode
*dir
,
323 const struct qstr
*qstr
, char **name
,
324 void **value
, size_t *len
)
326 if (unlikely(IS_PRIVATE(inode
)))
328 return security_ops
->inode_init_security(inode
, dir
, qstr
, name
, value
,
331 EXPORT_SYMBOL(security_inode_init_security
);
333 #ifdef CONFIG_SECURITY_PATH
334 int security_path_mknod(struct path
*dir
, struct dentry
*dentry
, int mode
,
337 if (unlikely(IS_PRIVATE(dir
->dentry
->d_inode
)))
339 return security_ops
->path_mknod(dir
, dentry
, mode
, dev
);
341 EXPORT_SYMBOL(security_path_mknod
);
343 int security_path_mkdir(struct path
*dir
, struct dentry
*dentry
, int mode
)
345 if (unlikely(IS_PRIVATE(dir
->dentry
->d_inode
)))
347 return security_ops
->path_mkdir(dir
, dentry
, mode
);
349 EXPORT_SYMBOL(security_path_mkdir
);
351 int security_path_rmdir(struct path
*dir
, struct dentry
*dentry
)
353 if (unlikely(IS_PRIVATE(dir
->dentry
->d_inode
)))
355 return security_ops
->path_rmdir(dir
, dentry
);
358 int security_path_unlink(struct path
*dir
, struct dentry
*dentry
)
360 if (unlikely(IS_PRIVATE(dir
->dentry
->d_inode
)))
362 return security_ops
->path_unlink(dir
, dentry
);
364 EXPORT_SYMBOL(security_path_unlink
);
366 int security_path_symlink(struct path
*dir
, struct dentry
*dentry
,
367 const char *old_name
)
369 if (unlikely(IS_PRIVATE(dir
->dentry
->d_inode
)))
371 return security_ops
->path_symlink(dir
, dentry
, old_name
);
374 int security_path_link(struct dentry
*old_dentry
, struct path
*new_dir
,
375 struct dentry
*new_dentry
)
377 if (unlikely(IS_PRIVATE(old_dentry
->d_inode
)))
379 return security_ops
->path_link(old_dentry
, new_dir
, new_dentry
);
382 int security_path_rename(struct path
*old_dir
, struct dentry
*old_dentry
,
383 struct path
*new_dir
, struct dentry
*new_dentry
)
385 if (unlikely(IS_PRIVATE(old_dentry
->d_inode
) ||
386 (new_dentry
->d_inode
&& IS_PRIVATE(new_dentry
->d_inode
))))
388 return security_ops
->path_rename(old_dir
, old_dentry
, new_dir
,
391 EXPORT_SYMBOL(security_path_rename
);
393 int security_path_truncate(struct path
*path
)
395 if (unlikely(IS_PRIVATE(path
->dentry
->d_inode
)))
397 return security_ops
->path_truncate(path
);
400 int security_path_chmod(struct dentry
*dentry
, struct vfsmount
*mnt
,
403 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
405 return security_ops
->path_chmod(dentry
, mnt
, mode
);
408 int security_path_chown(struct path
*path
, uid_t uid
, gid_t gid
)
410 if (unlikely(IS_PRIVATE(path
->dentry
->d_inode
)))
412 return security_ops
->path_chown(path
, uid
, gid
);
415 int security_path_chroot(struct path
*path
)
417 return security_ops
->path_chroot(path
);
421 int security_inode_create(struct inode
*dir
, struct dentry
*dentry
, int mode
)
423 if (unlikely(IS_PRIVATE(dir
)))
425 return security_ops
->inode_create(dir
, dentry
, mode
);
427 EXPORT_SYMBOL_GPL(security_inode_create
);
429 int security_inode_link(struct dentry
*old_dentry
, struct inode
*dir
,
430 struct dentry
*new_dentry
)
432 if (unlikely(IS_PRIVATE(old_dentry
->d_inode
)))
434 return security_ops
->inode_link(old_dentry
, dir
, new_dentry
);
437 int security_inode_unlink(struct inode
*dir
, struct dentry
*dentry
)
439 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
441 return security_ops
->inode_unlink(dir
, dentry
);
444 int security_inode_symlink(struct inode
*dir
, struct dentry
*dentry
,
445 const char *old_name
)
447 if (unlikely(IS_PRIVATE(dir
)))
449 return security_ops
->inode_symlink(dir
, dentry
, old_name
);
452 int security_inode_mkdir(struct inode
*dir
, struct dentry
*dentry
, int mode
)
454 if (unlikely(IS_PRIVATE(dir
)))
456 return security_ops
->inode_mkdir(dir
, dentry
, mode
);
458 EXPORT_SYMBOL_GPL(security_inode_mkdir
);
460 int security_inode_rmdir(struct inode
*dir
, struct dentry
*dentry
)
462 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
464 return security_ops
->inode_rmdir(dir
, dentry
);
467 int security_inode_mknod(struct inode
*dir
, struct dentry
*dentry
, int mode
, dev_t dev
)
469 if (unlikely(IS_PRIVATE(dir
)))
471 return security_ops
->inode_mknod(dir
, dentry
, mode
, dev
);
474 int security_inode_rename(struct inode
*old_dir
, struct dentry
*old_dentry
,
475 struct inode
*new_dir
, struct dentry
*new_dentry
)
477 if (unlikely(IS_PRIVATE(old_dentry
->d_inode
) ||
478 (new_dentry
->d_inode
&& IS_PRIVATE(new_dentry
->d_inode
))))
480 return security_ops
->inode_rename(old_dir
, old_dentry
,
481 new_dir
, new_dentry
);
484 int security_inode_readlink(struct dentry
*dentry
)
486 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
488 return security_ops
->inode_readlink(dentry
);
491 int security_inode_follow_link(struct dentry
*dentry
, struct nameidata
*nd
)
493 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
495 return security_ops
->inode_follow_link(dentry
, nd
);
498 int security_inode_permission(struct inode
*inode
, int mask
)
500 if (unlikely(IS_PRIVATE(inode
)))
502 return security_ops
->inode_permission(inode
, mask
);
505 int security_inode_setattr(struct dentry
*dentry
, struct iattr
*attr
)
507 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
509 return security_ops
->inode_setattr(dentry
, attr
);
511 EXPORT_SYMBOL_GPL(security_inode_setattr
);
513 int security_inode_getattr(struct vfsmount
*mnt
, struct dentry
*dentry
)
515 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
517 return security_ops
->inode_getattr(mnt
, dentry
);
520 int security_inode_setxattr(struct dentry
*dentry
, const char *name
,
521 const void *value
, size_t size
, int flags
)
523 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
525 return security_ops
->inode_setxattr(dentry
, name
, value
, size
, flags
);
528 void security_inode_post_setxattr(struct dentry
*dentry
, const char *name
,
529 const void *value
, size_t size
, int flags
)
531 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
533 security_ops
->inode_post_setxattr(dentry
, name
, value
, size
, flags
);
536 int security_inode_getxattr(struct dentry
*dentry
, const char *name
)
538 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
540 return security_ops
->inode_getxattr(dentry
, name
);
543 int security_inode_listxattr(struct dentry
*dentry
)
545 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
547 return security_ops
->inode_listxattr(dentry
);
550 int security_inode_removexattr(struct dentry
*dentry
, const char *name
)
552 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
554 return security_ops
->inode_removexattr(dentry
, name
);
557 int security_inode_need_killpriv(struct dentry
*dentry
)
559 return security_ops
->inode_need_killpriv(dentry
);
562 int security_inode_killpriv(struct dentry
*dentry
)
564 return security_ops
->inode_killpriv(dentry
);
567 int security_inode_getsecurity(const struct inode
*inode
, const char *name
, void **buffer
, bool alloc
)
569 if (unlikely(IS_PRIVATE(inode
)))
571 return security_ops
->inode_getsecurity(inode
, name
, buffer
, alloc
);
574 int security_inode_setsecurity(struct inode
*inode
, const char *name
, const void *value
, size_t size
, int flags
)
576 if (unlikely(IS_PRIVATE(inode
)))
578 return security_ops
->inode_setsecurity(inode
, name
, value
, size
, flags
);
581 int security_inode_listsecurity(struct inode
*inode
, char *buffer
, size_t buffer_size
)
583 if (unlikely(IS_PRIVATE(inode
)))
585 return security_ops
->inode_listsecurity(inode
, buffer
, buffer_size
);
588 void security_inode_getsecid(const struct inode
*inode
, u32
*secid
)
590 security_ops
->inode_getsecid(inode
, secid
);
593 int security_file_permission(struct file
*file
, int mask
)
597 ret
= security_ops
->file_permission(file
, mask
);
601 return fsnotify_perm(file
, mask
);
604 int security_file_alloc(struct file
*file
)
606 return security_ops
->file_alloc_security(file
);
609 void security_file_free(struct file
*file
)
611 security_ops
->file_free_security(file
);
614 int security_file_ioctl(struct file
*file
, unsigned int cmd
, unsigned long arg
)
616 return security_ops
->file_ioctl(file
, cmd
, arg
);
619 int security_file_mmap(struct file
*file
, unsigned long reqprot
,
620 unsigned long prot
, unsigned long flags
,
621 unsigned long addr
, unsigned long addr_only
)
625 ret
= security_ops
->file_mmap(file
, reqprot
, prot
, flags
, addr
, addr_only
);
628 return ima_file_mmap(file
, prot
);
631 int security_file_mprotect(struct vm_area_struct
*vma
, unsigned long reqprot
,
634 return security_ops
->file_mprotect(vma
, reqprot
, prot
);
637 int security_file_lock(struct file
*file
, unsigned int cmd
)
639 return security_ops
->file_lock(file
, cmd
);
642 int security_file_fcntl(struct file
*file
, unsigned int cmd
, unsigned long arg
)
644 return security_ops
->file_fcntl(file
, cmd
, arg
);
647 int security_file_set_fowner(struct file
*file
)
649 return security_ops
->file_set_fowner(file
);
652 int security_file_send_sigiotask(struct task_struct
*tsk
,
653 struct fown_struct
*fown
, int sig
)
655 return security_ops
->file_send_sigiotask(tsk
, fown
, sig
);
658 int security_file_receive(struct file
*file
)
660 return security_ops
->file_receive(file
);
663 int security_dentry_open(struct file
*file
, const struct cred
*cred
)
667 ret
= security_ops
->dentry_open(file
, cred
);
671 return fsnotify_perm(file
, MAY_OPEN
);
674 int security_task_create(unsigned long clone_flags
)
676 return security_ops
->task_create(clone_flags
);
679 int security_cred_alloc_blank(struct cred
*cred
, gfp_t gfp
)
681 return security_ops
->cred_alloc_blank(cred
, gfp
);
684 void security_cred_free(struct cred
*cred
)
686 security_ops
->cred_free(cred
);
689 int security_prepare_creds(struct cred
*new, const struct cred
*old
, gfp_t gfp
)
691 return security_ops
->cred_prepare(new, old
, gfp
);
694 void security_transfer_creds(struct cred
*new, const struct cred
*old
)
696 security_ops
->cred_transfer(new, old
);
699 int security_kernel_act_as(struct cred
*new, u32 secid
)
701 return security_ops
->kernel_act_as(new, secid
);
704 int security_kernel_create_files_as(struct cred
*new, struct inode
*inode
)
706 return security_ops
->kernel_create_files_as(new, inode
);
709 int security_kernel_module_request(char *kmod_name
)
711 return security_ops
->kernel_module_request(kmod_name
);
714 int security_task_fix_setuid(struct cred
*new, const struct cred
*old
,
717 return security_ops
->task_fix_setuid(new, old
, flags
);
720 int security_task_setpgid(struct task_struct
*p
, pid_t pgid
)
722 return security_ops
->task_setpgid(p
, pgid
);
725 int security_task_getpgid(struct task_struct
*p
)
727 return security_ops
->task_getpgid(p
);
730 int security_task_getsid(struct task_struct
*p
)
732 return security_ops
->task_getsid(p
);
735 void security_task_getsecid(struct task_struct
*p
, u32
*secid
)
737 security_ops
->task_getsecid(p
, secid
);
739 EXPORT_SYMBOL(security_task_getsecid
);
741 int security_task_setnice(struct task_struct
*p
, int nice
)
743 return security_ops
->task_setnice(p
, nice
);
746 int security_task_setioprio(struct task_struct
*p
, int ioprio
)
748 return security_ops
->task_setioprio(p
, ioprio
);
751 int security_task_getioprio(struct task_struct
*p
)
753 return security_ops
->task_getioprio(p
);
756 int security_task_setrlimit(struct task_struct
*p
, unsigned int resource
,
757 struct rlimit
*new_rlim
)
759 return security_ops
->task_setrlimit(p
, resource
, new_rlim
);
762 int security_task_setscheduler(struct task_struct
*p
)
764 return security_ops
->task_setscheduler(p
);
767 int security_task_getscheduler(struct task_struct
*p
)
769 return security_ops
->task_getscheduler(p
);
772 int security_task_movememory(struct task_struct
*p
)
774 return security_ops
->task_movememory(p
);
777 int security_task_kill(struct task_struct
*p
, struct siginfo
*info
,
780 return security_ops
->task_kill(p
, info
, sig
, secid
);
783 int security_task_wait(struct task_struct
*p
)
785 return security_ops
->task_wait(p
);
788 int security_task_prctl(int option
, unsigned long arg2
, unsigned long arg3
,
789 unsigned long arg4
, unsigned long arg5
)
791 return security_ops
->task_prctl(option
, arg2
, arg3
, arg4
, arg5
);
794 void security_task_to_inode(struct task_struct
*p
, struct inode
*inode
)
796 security_ops
->task_to_inode(p
, inode
);
799 int security_ipc_permission(struct kern_ipc_perm
*ipcp
, short flag
)
801 return security_ops
->ipc_permission(ipcp
, flag
);
804 void security_ipc_getsecid(struct kern_ipc_perm
*ipcp
, u32
*secid
)
806 security_ops
->ipc_getsecid(ipcp
, secid
);
809 int security_msg_msg_alloc(struct msg_msg
*msg
)
811 return security_ops
->msg_msg_alloc_security(msg
);
814 void security_msg_msg_free(struct msg_msg
*msg
)
816 security_ops
->msg_msg_free_security(msg
);
819 int security_msg_queue_alloc(struct msg_queue
*msq
)
821 return security_ops
->msg_queue_alloc_security(msq
);
824 void security_msg_queue_free(struct msg_queue
*msq
)
826 security_ops
->msg_queue_free_security(msq
);
829 int security_msg_queue_associate(struct msg_queue
*msq
, int msqflg
)
831 return security_ops
->msg_queue_associate(msq
, msqflg
);
834 int security_msg_queue_msgctl(struct msg_queue
*msq
, int cmd
)
836 return security_ops
->msg_queue_msgctl(msq
, cmd
);
839 int security_msg_queue_msgsnd(struct msg_queue
*msq
,
840 struct msg_msg
*msg
, int msqflg
)
842 return security_ops
->msg_queue_msgsnd(msq
, msg
, msqflg
);
845 int security_msg_queue_msgrcv(struct msg_queue
*msq
, struct msg_msg
*msg
,
846 struct task_struct
*target
, long type
, int mode
)
848 return security_ops
->msg_queue_msgrcv(msq
, msg
, target
, type
, mode
);
851 int security_shm_alloc(struct shmid_kernel
*shp
)
853 return security_ops
->shm_alloc_security(shp
);
856 void security_shm_free(struct shmid_kernel
*shp
)
858 security_ops
->shm_free_security(shp
);
861 int security_shm_associate(struct shmid_kernel
*shp
, int shmflg
)
863 return security_ops
->shm_associate(shp
, shmflg
);
866 int security_shm_shmctl(struct shmid_kernel
*shp
, int cmd
)
868 return security_ops
->shm_shmctl(shp
, cmd
);
871 int security_shm_shmat(struct shmid_kernel
*shp
, char __user
*shmaddr
, int shmflg
)
873 return security_ops
->shm_shmat(shp
, shmaddr
, shmflg
);
876 int security_sem_alloc(struct sem_array
*sma
)
878 return security_ops
->sem_alloc_security(sma
);
881 void security_sem_free(struct sem_array
*sma
)
883 security_ops
->sem_free_security(sma
);
886 int security_sem_associate(struct sem_array
*sma
, int semflg
)
888 return security_ops
->sem_associate(sma
, semflg
);
891 int security_sem_semctl(struct sem_array
*sma
, int cmd
)
893 return security_ops
->sem_semctl(sma
, cmd
);
896 int security_sem_semop(struct sem_array
*sma
, struct sembuf
*sops
,
897 unsigned nsops
, int alter
)
899 return security_ops
->sem_semop(sma
, sops
, nsops
, alter
);
902 void security_d_instantiate(struct dentry
*dentry
, struct inode
*inode
)
904 if (unlikely(inode
&& IS_PRIVATE(inode
)))
906 security_ops
->d_instantiate(dentry
, inode
);
908 EXPORT_SYMBOL(security_d_instantiate
);
910 int security_getprocattr(struct task_struct
*p
, char *name
, char **value
)
912 return security_ops
->getprocattr(p
, name
, value
);
915 int security_setprocattr(struct task_struct
*p
, char *name
, void *value
, size_t size
)
917 return security_ops
->setprocattr(p
, name
, value
, size
);
920 int security_netlink_send(struct sock
*sk
, struct sk_buff
*skb
)
922 return security_ops
->netlink_send(sk
, skb
);
925 int security_netlink_recv(struct sk_buff
*skb
, int cap
)
927 return security_ops
->netlink_recv(skb
, cap
);
929 EXPORT_SYMBOL(security_netlink_recv
);
931 int security_secid_to_secctx(u32 secid
, char **secdata
, u32
*seclen
)
933 return security_ops
->secid_to_secctx(secid
, secdata
, seclen
);
935 EXPORT_SYMBOL(security_secid_to_secctx
);
937 int security_secctx_to_secid(const char *secdata
, u32 seclen
, u32
*secid
)
939 return security_ops
->secctx_to_secid(secdata
, seclen
, secid
);
941 EXPORT_SYMBOL(security_secctx_to_secid
);
943 void security_release_secctx(char *secdata
, u32 seclen
)
945 security_ops
->release_secctx(secdata
, seclen
);
947 EXPORT_SYMBOL(security_release_secctx
);
949 int security_inode_notifysecctx(struct inode
*inode
, void *ctx
, u32 ctxlen
)
951 return security_ops
->inode_notifysecctx(inode
, ctx
, ctxlen
);
953 EXPORT_SYMBOL(security_inode_notifysecctx
);
955 int security_inode_setsecctx(struct dentry
*dentry
, void *ctx
, u32 ctxlen
)
957 return security_ops
->inode_setsecctx(dentry
, ctx
, ctxlen
);
959 EXPORT_SYMBOL(security_inode_setsecctx
);
961 int security_inode_getsecctx(struct inode
*inode
, void **ctx
, u32
*ctxlen
)
963 return security_ops
->inode_getsecctx(inode
, ctx
, ctxlen
);
965 EXPORT_SYMBOL(security_inode_getsecctx
);
967 #ifdef CONFIG_SECURITY_NETWORK
969 int security_unix_stream_connect(struct sock
*sock
, struct sock
*other
, struct sock
*newsk
)
971 return security_ops
->unix_stream_connect(sock
, other
, newsk
);
973 EXPORT_SYMBOL(security_unix_stream_connect
);
975 int security_unix_may_send(struct socket
*sock
, struct socket
*other
)
977 return security_ops
->unix_may_send(sock
, other
);
979 EXPORT_SYMBOL(security_unix_may_send
);
981 int security_socket_create(int family
, int type
, int protocol
, int kern
)
983 return security_ops
->socket_create(family
, type
, protocol
, kern
);
986 int security_socket_post_create(struct socket
*sock
, int family
,
987 int type
, int protocol
, int kern
)
989 return security_ops
->socket_post_create(sock
, family
, type
,
993 int security_socket_bind(struct socket
*sock
, struct sockaddr
*address
, int addrlen
)
995 return security_ops
->socket_bind(sock
, address
, addrlen
);
998 int security_socket_connect(struct socket
*sock
, struct sockaddr
*address
, int addrlen
)
1000 return security_ops
->socket_connect(sock
, address
, addrlen
);
1003 int security_socket_listen(struct socket
*sock
, int backlog
)
1005 return security_ops
->socket_listen(sock
, backlog
);
1008 int security_socket_accept(struct socket
*sock
, struct socket
*newsock
)
1010 return security_ops
->socket_accept(sock
, newsock
);
1013 int security_socket_sendmsg(struct socket
*sock
, struct msghdr
*msg
, int size
)
1015 return security_ops
->socket_sendmsg(sock
, msg
, size
);
1018 int security_socket_recvmsg(struct socket
*sock
, struct msghdr
*msg
,
1019 int size
, int flags
)
1021 return security_ops
->socket_recvmsg(sock
, msg
, size
, flags
);
1024 int security_socket_getsockname(struct socket
*sock
)
1026 return security_ops
->socket_getsockname(sock
);
1029 int security_socket_getpeername(struct socket
*sock
)
1031 return security_ops
->socket_getpeername(sock
);
1034 int security_socket_getsockopt(struct socket
*sock
, int level
, int optname
)
1036 return security_ops
->socket_getsockopt(sock
, level
, optname
);
1039 int security_socket_setsockopt(struct socket
*sock
, int level
, int optname
)
1041 return security_ops
->socket_setsockopt(sock
, level
, optname
);
1044 int security_socket_shutdown(struct socket
*sock
, int how
)
1046 return security_ops
->socket_shutdown(sock
, how
);
1049 int security_sock_rcv_skb(struct sock
*sk
, struct sk_buff
*skb
)
1051 return security_ops
->socket_sock_rcv_skb(sk
, skb
);
1053 EXPORT_SYMBOL(security_sock_rcv_skb
);
1055 int security_socket_getpeersec_stream(struct socket
*sock
, char __user
*optval
,
1056 int __user
*optlen
, unsigned len
)
1058 return security_ops
->socket_getpeersec_stream(sock
, optval
, optlen
, len
);
1061 int security_socket_getpeersec_dgram(struct socket
*sock
, struct sk_buff
*skb
, u32
*secid
)
1063 return security_ops
->socket_getpeersec_dgram(sock
, skb
, secid
);
1065 EXPORT_SYMBOL(security_socket_getpeersec_dgram
);
1067 int security_sk_alloc(struct sock
*sk
, int family
, gfp_t priority
)
1069 return security_ops
->sk_alloc_security(sk
, family
, priority
);
1072 void security_sk_free(struct sock
*sk
)
1074 security_ops
->sk_free_security(sk
);
1077 void security_sk_clone(const struct sock
*sk
, struct sock
*newsk
)
1079 security_ops
->sk_clone_security(sk
, newsk
);
1081 EXPORT_SYMBOL(security_sk_clone
);
1083 void security_sk_classify_flow(struct sock
*sk
, struct flowi
*fl
)
1085 security_ops
->sk_getsecid(sk
, &fl
->flowi_secid
);
1087 EXPORT_SYMBOL(security_sk_classify_flow
);
1089 void security_req_classify_flow(const struct request_sock
*req
, struct flowi
*fl
)
1091 security_ops
->req_classify_flow(req
, fl
);
1093 EXPORT_SYMBOL(security_req_classify_flow
);
1095 void security_sock_graft(struct sock
*sk
, struct socket
*parent
)
1097 security_ops
->sock_graft(sk
, parent
);
1099 EXPORT_SYMBOL(security_sock_graft
);
1101 int security_inet_conn_request(struct sock
*sk
,
1102 struct sk_buff
*skb
, struct request_sock
*req
)
1104 return security_ops
->inet_conn_request(sk
, skb
, req
);
1106 EXPORT_SYMBOL(security_inet_conn_request
);
1108 void security_inet_csk_clone(struct sock
*newsk
,
1109 const struct request_sock
*req
)
1111 security_ops
->inet_csk_clone(newsk
, req
);
1114 void security_inet_conn_established(struct sock
*sk
,
1115 struct sk_buff
*skb
)
1117 security_ops
->inet_conn_established(sk
, skb
);
1120 int security_secmark_relabel_packet(u32 secid
)
1122 return security_ops
->secmark_relabel_packet(secid
);
1124 EXPORT_SYMBOL(security_secmark_relabel_packet
);
1126 void security_secmark_refcount_inc(void)
1128 security_ops
->secmark_refcount_inc();
1130 EXPORT_SYMBOL(security_secmark_refcount_inc
);
1132 void security_secmark_refcount_dec(void)
1134 security_ops
->secmark_refcount_dec();
1136 EXPORT_SYMBOL(security_secmark_refcount_dec
);
1138 int security_tun_dev_create(void)
1140 return security_ops
->tun_dev_create();
1142 EXPORT_SYMBOL(security_tun_dev_create
);
1144 void security_tun_dev_post_create(struct sock
*sk
)
1146 return security_ops
->tun_dev_post_create(sk
);
1148 EXPORT_SYMBOL(security_tun_dev_post_create
);
1150 int security_tun_dev_attach(struct sock
*sk
)
1152 return security_ops
->tun_dev_attach(sk
);
1154 EXPORT_SYMBOL(security_tun_dev_attach
);
1156 #endif /* CONFIG_SECURITY_NETWORK */
1158 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1160 int security_xfrm_policy_alloc(struct xfrm_sec_ctx
**ctxp
, struct xfrm_user_sec_ctx
*sec_ctx
)
1162 return security_ops
->xfrm_policy_alloc_security(ctxp
, sec_ctx
);
1164 EXPORT_SYMBOL(security_xfrm_policy_alloc
);
1166 int security_xfrm_policy_clone(struct xfrm_sec_ctx
*old_ctx
,
1167 struct xfrm_sec_ctx
**new_ctxp
)
1169 return security_ops
->xfrm_policy_clone_security(old_ctx
, new_ctxp
);
1172 void security_xfrm_policy_free(struct xfrm_sec_ctx
*ctx
)
1174 security_ops
->xfrm_policy_free_security(ctx
);
1176 EXPORT_SYMBOL(security_xfrm_policy_free
);
1178 int security_xfrm_policy_delete(struct xfrm_sec_ctx
*ctx
)
1180 return security_ops
->xfrm_policy_delete_security(ctx
);
1183 int security_xfrm_state_alloc(struct xfrm_state
*x
, struct xfrm_user_sec_ctx
*sec_ctx
)
1185 return security_ops
->xfrm_state_alloc_security(x
, sec_ctx
, 0);
1187 EXPORT_SYMBOL(security_xfrm_state_alloc
);
1189 int security_xfrm_state_alloc_acquire(struct xfrm_state
*x
,
1190 struct xfrm_sec_ctx
*polsec
, u32 secid
)
1195 * We want the context to be taken from secid which is usually
1198 return security_ops
->xfrm_state_alloc_security(x
, NULL
, secid
);
1201 int security_xfrm_state_delete(struct xfrm_state
*x
)
1203 return security_ops
->xfrm_state_delete_security(x
);
1205 EXPORT_SYMBOL(security_xfrm_state_delete
);
1207 void security_xfrm_state_free(struct xfrm_state
*x
)
1209 security_ops
->xfrm_state_free_security(x
);
1212 int security_xfrm_policy_lookup(struct xfrm_sec_ctx
*ctx
, u32 fl_secid
, u8 dir
)
1214 return security_ops
->xfrm_policy_lookup(ctx
, fl_secid
, dir
);
1217 int security_xfrm_state_pol_flow_match(struct xfrm_state
*x
,
1218 struct xfrm_policy
*xp
,
1219 const struct flowi
*fl
)
1221 return security_ops
->xfrm_state_pol_flow_match(x
, xp
, fl
);
1224 int security_xfrm_decode_session(struct sk_buff
*skb
, u32
*secid
)
1226 return security_ops
->xfrm_decode_session(skb
, secid
, 1);
1229 void security_skb_classify_flow(struct sk_buff
*skb
, struct flowi
*fl
)
1231 int rc
= security_ops
->xfrm_decode_session(skb
, &fl
->flowi_secid
, 0);
1235 EXPORT_SYMBOL(security_skb_classify_flow
);
1237 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1241 int security_key_alloc(struct key
*key
, const struct cred
*cred
,
1242 unsigned long flags
)
1244 return security_ops
->key_alloc(key
, cred
, flags
);
1247 void security_key_free(struct key
*key
)
1249 security_ops
->key_free(key
);
1252 int security_key_permission(key_ref_t key_ref
,
1253 const struct cred
*cred
, key_perm_t perm
)
1255 return security_ops
->key_permission(key_ref
, cred
, perm
);
1258 int security_key_getsecurity(struct key
*key
, char **_buffer
)
1260 return security_ops
->key_getsecurity(key
, _buffer
);
1263 #endif /* CONFIG_KEYS */
1267 int security_audit_rule_init(u32 field
, u32 op
, char *rulestr
, void **lsmrule
)
1269 return security_ops
->audit_rule_init(field
, op
, rulestr
, lsmrule
);
1272 int security_audit_rule_known(struct audit_krule
*krule
)
1274 return security_ops
->audit_rule_known(krule
);
1277 void security_audit_rule_free(void *lsmrule
)
1279 security_ops
->audit_rule_free(lsmrule
);
1282 int security_audit_rule_match(u32 secid
, u32 field
, u32 op
, void *lsmrule
,
1283 struct audit_context
*actx
)
1285 return security_ops
->audit_rule_match(secid
, field
, op
, lsmrule
, actx
);
1288 #endif /* CONFIG_AUDIT */