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/integrity.h>
20 #include <linux/ima.h>
21 #include <linux/evm.h>
23 #define MAX_LSM_EVM_XATTR 2
25 /* Boot-time LSM user choice */
26 static __initdata
char chosen_lsm
[SECURITY_NAME_MAX
+ 1] =
27 CONFIG_DEFAULT_SECURITY
;
29 static struct security_operations
*security_ops
;
30 static struct security_operations default_security_ops
= {
34 static inline int __init
verify(struct security_operations
*ops
)
36 /* verify the security_operations structure exists */
39 security_fixup_ops(ops
);
43 static void __init
do_security_initcalls(void)
46 call
= __security_initcall_start
;
47 while (call
< __security_initcall_end
) {
54 * security_init - initializes the security framework
56 * This should be called early in the kernel initialization sequence.
58 int __init
security_init(void)
60 printk(KERN_INFO
"Security Framework initialized\n");
62 security_fixup_ops(&default_security_ops
);
63 security_ops
= &default_security_ops
;
64 do_security_initcalls();
69 void reset_security_ops(void)
71 security_ops
= &default_security_ops
;
74 /* Save user chosen LSM */
75 static int __init
choose_lsm(char *str
)
77 strncpy(chosen_lsm
, str
, SECURITY_NAME_MAX
);
80 __setup("security=", choose_lsm
);
83 * security_module_enable - Load given security module on boot ?
84 * @ops: a pointer to the struct security_operations that is to be checked.
86 * Each LSM must pass this method before registering its own operations
87 * to avoid security registration races. This method may also be used
88 * to check if your LSM is currently loaded during kernel initialization.
91 * -The passed LSM is the one chosen by user at boot time,
92 * -or the passed LSM is configured as the default and the user did not
93 * choose an alternate LSM at boot time.
94 * Otherwise, return false.
96 int __init
security_module_enable(struct security_operations
*ops
)
98 return !strcmp(ops
->name
, chosen_lsm
);
102 * register_security - registers a security framework with the kernel
103 * @ops: a pointer to the struct security_options that is to be registered
105 * This function allows a security module to register itself with the
106 * kernel security subsystem. Some rudimentary checking is done on the @ops
107 * value passed to this function. You'll need to check first if your LSM
108 * is allowed to register its @ops by calling security_module_enable(@ops).
110 * If there is already a security module registered with the kernel,
111 * an error will be returned. Otherwise %0 is returned on success.
113 int __init
register_security(struct security_operations
*ops
)
116 printk(KERN_DEBUG
"%s could not verify "
117 "security_operations structure.\n", __func__
);
121 if (security_ops
!= &default_security_ops
)
129 /* Security operations */
131 int security_ptrace_access_check(struct task_struct
*child
, unsigned int mode
)
133 return security_ops
->ptrace_access_check(child
, mode
);
136 int security_ptrace_traceme(struct task_struct
*parent
)
138 return security_ops
->ptrace_traceme(parent
);
141 int security_capget(struct task_struct
*target
,
142 kernel_cap_t
*effective
,
143 kernel_cap_t
*inheritable
,
144 kernel_cap_t
*permitted
)
146 return security_ops
->capget(target
, effective
, inheritable
, permitted
);
149 int security_capset(struct cred
*new, const struct cred
*old
,
150 const kernel_cap_t
*effective
,
151 const kernel_cap_t
*inheritable
,
152 const kernel_cap_t
*permitted
)
154 return security_ops
->capset(new, old
,
155 effective
, inheritable
, permitted
);
158 int security_capable(struct user_namespace
*ns
, const struct cred
*cred
,
161 return security_ops
->capable(current
, cred
, ns
, cap
,
165 int security_real_capable(struct task_struct
*tsk
, struct user_namespace
*ns
,
168 const struct cred
*cred
;
171 cred
= get_task_cred(tsk
);
172 ret
= security_ops
->capable(tsk
, cred
, ns
, cap
, SECURITY_CAP_AUDIT
);
177 int security_real_capable_noaudit(struct task_struct
*tsk
,
178 struct user_namespace
*ns
, int cap
)
180 const struct cred
*cred
;
183 cred
= get_task_cred(tsk
);
184 ret
= security_ops
->capable(tsk
, cred
, ns
, cap
, SECURITY_CAP_NOAUDIT
);
189 int security_quotactl(int cmds
, int type
, int id
, struct super_block
*sb
)
191 return security_ops
->quotactl(cmds
, type
, id
, sb
);
194 int security_quota_on(struct dentry
*dentry
)
196 return security_ops
->quota_on(dentry
);
199 int security_syslog(int type
)
201 return security_ops
->syslog(type
);
204 int security_settime(const struct timespec
*ts
, const struct timezone
*tz
)
206 return security_ops
->settime(ts
, tz
);
209 int security_vm_enough_memory(long pages
)
211 WARN_ON(current
->mm
== NULL
);
212 return security_ops
->vm_enough_memory(current
->mm
, pages
);
215 int security_vm_enough_memory_mm(struct mm_struct
*mm
, long pages
)
218 return security_ops
->vm_enough_memory(mm
, pages
);
221 int security_vm_enough_memory_kern(long pages
)
223 /* If current->mm is a kernel thread then we will pass NULL,
224 for this specific case that is fine */
225 return security_ops
->vm_enough_memory(current
->mm
, pages
);
228 int security_bprm_set_creds(struct linux_binprm
*bprm
)
230 return security_ops
->bprm_set_creds(bprm
);
233 int security_bprm_check(struct linux_binprm
*bprm
)
237 ret
= security_ops
->bprm_check_security(bprm
);
240 return ima_bprm_check(bprm
);
243 void security_bprm_committing_creds(struct linux_binprm
*bprm
)
245 security_ops
->bprm_committing_creds(bprm
);
248 void security_bprm_committed_creds(struct linux_binprm
*bprm
)
250 security_ops
->bprm_committed_creds(bprm
);
253 int security_bprm_secureexec(struct linux_binprm
*bprm
)
255 return security_ops
->bprm_secureexec(bprm
);
258 int security_sb_alloc(struct super_block
*sb
)
260 return security_ops
->sb_alloc_security(sb
);
263 void security_sb_free(struct super_block
*sb
)
265 security_ops
->sb_free_security(sb
);
268 int security_sb_copy_data(char *orig
, char *copy
)
270 return security_ops
->sb_copy_data(orig
, copy
);
272 EXPORT_SYMBOL(security_sb_copy_data
);
274 int security_sb_remount(struct super_block
*sb
, void *data
)
276 return security_ops
->sb_remount(sb
, data
);
279 int security_sb_kern_mount(struct super_block
*sb
, int flags
, void *data
)
281 return security_ops
->sb_kern_mount(sb
, flags
, data
);
284 int security_sb_show_options(struct seq_file
*m
, struct super_block
*sb
)
286 return security_ops
->sb_show_options(m
, sb
);
289 int security_sb_statfs(struct dentry
*dentry
)
291 return security_ops
->sb_statfs(dentry
);
294 int security_sb_mount(char *dev_name
, struct path
*path
,
295 char *type
, unsigned long flags
, void *data
)
297 return security_ops
->sb_mount(dev_name
, path
, type
, flags
, data
);
300 int security_sb_umount(struct vfsmount
*mnt
, int flags
)
302 return security_ops
->sb_umount(mnt
, flags
);
305 int security_sb_pivotroot(struct path
*old_path
, struct path
*new_path
)
307 return security_ops
->sb_pivotroot(old_path
, new_path
);
310 int security_sb_set_mnt_opts(struct super_block
*sb
,
311 struct security_mnt_opts
*opts
)
313 return security_ops
->sb_set_mnt_opts(sb
, opts
);
315 EXPORT_SYMBOL(security_sb_set_mnt_opts
);
317 void security_sb_clone_mnt_opts(const struct super_block
*oldsb
,
318 struct super_block
*newsb
)
320 security_ops
->sb_clone_mnt_opts(oldsb
, newsb
);
322 EXPORT_SYMBOL(security_sb_clone_mnt_opts
);
324 int security_sb_parse_opts_str(char *options
, struct security_mnt_opts
*opts
)
326 return security_ops
->sb_parse_opts_str(options
, opts
);
328 EXPORT_SYMBOL(security_sb_parse_opts_str
);
330 int security_inode_alloc(struct inode
*inode
)
332 inode
->i_security
= NULL
;
333 return security_ops
->inode_alloc_security(inode
);
336 void security_inode_free(struct inode
*inode
)
338 integrity_inode_free(inode
);
339 security_ops
->inode_free_security(inode
);
342 int security_inode_init_security(struct inode
*inode
, struct inode
*dir
,
343 const struct qstr
*qstr
,
344 const initxattrs initxattrs
, void *fs_data
)
346 struct xattr new_xattrs
[MAX_LSM_EVM_XATTR
+ 1];
347 struct xattr
*lsm_xattr
, *evm_xattr
, *xattr
;
350 if (unlikely(IS_PRIVATE(inode
)))
353 memset(new_xattrs
, 0, sizeof new_xattrs
);
355 return security_ops
->inode_init_security(inode
, dir
, qstr
,
357 lsm_xattr
= new_xattrs
;
358 ret
= security_ops
->inode_init_security(inode
, dir
, qstr
,
361 &lsm_xattr
->value_len
);
365 evm_xattr
= lsm_xattr
+ 1;
366 ret
= evm_inode_init_security(inode
, lsm_xattr
, evm_xattr
);
369 ret
= initxattrs(inode
, new_xattrs
, fs_data
);
371 for (xattr
= new_xattrs
; xattr
->name
!= NULL
; xattr
++) {
375 return (ret
== -EOPNOTSUPP
) ? 0 : ret
;
377 EXPORT_SYMBOL(security_inode_init_security
);
379 int security_old_inode_init_security(struct inode
*inode
, struct inode
*dir
,
380 const struct qstr
*qstr
, char **name
,
381 void **value
, size_t *len
)
383 if (unlikely(IS_PRIVATE(inode
)))
385 return security_ops
->inode_init_security(inode
, dir
, qstr
, name
, value
,
388 EXPORT_SYMBOL(security_old_inode_init_security
);
390 #ifdef CONFIG_SECURITY_PATH
391 int security_path_mknod(struct path
*dir
, struct dentry
*dentry
, umode_t mode
,
394 if (unlikely(IS_PRIVATE(dir
->dentry
->d_inode
)))
396 return security_ops
->path_mknod(dir
, dentry
, mode
, dev
);
398 EXPORT_SYMBOL(security_path_mknod
);
400 int security_path_mkdir(struct path
*dir
, struct dentry
*dentry
, umode_t mode
)
402 if (unlikely(IS_PRIVATE(dir
->dentry
->d_inode
)))
404 return security_ops
->path_mkdir(dir
, dentry
, mode
);
406 EXPORT_SYMBOL(security_path_mkdir
);
408 int security_path_rmdir(struct path
*dir
, struct dentry
*dentry
)
410 if (unlikely(IS_PRIVATE(dir
->dentry
->d_inode
)))
412 return security_ops
->path_rmdir(dir
, dentry
);
415 int security_path_unlink(struct path
*dir
, struct dentry
*dentry
)
417 if (unlikely(IS_PRIVATE(dir
->dentry
->d_inode
)))
419 return security_ops
->path_unlink(dir
, dentry
);
421 EXPORT_SYMBOL(security_path_unlink
);
423 int security_path_symlink(struct path
*dir
, struct dentry
*dentry
,
424 const char *old_name
)
426 if (unlikely(IS_PRIVATE(dir
->dentry
->d_inode
)))
428 return security_ops
->path_symlink(dir
, dentry
, old_name
);
431 int security_path_link(struct dentry
*old_dentry
, struct path
*new_dir
,
432 struct dentry
*new_dentry
)
434 if (unlikely(IS_PRIVATE(old_dentry
->d_inode
)))
436 return security_ops
->path_link(old_dentry
, new_dir
, new_dentry
);
439 int security_path_rename(struct path
*old_dir
, struct dentry
*old_dentry
,
440 struct path
*new_dir
, struct dentry
*new_dentry
)
442 if (unlikely(IS_PRIVATE(old_dentry
->d_inode
) ||
443 (new_dentry
->d_inode
&& IS_PRIVATE(new_dentry
->d_inode
))))
445 return security_ops
->path_rename(old_dir
, old_dentry
, new_dir
,
448 EXPORT_SYMBOL(security_path_rename
);
450 int security_path_truncate(struct path
*path
)
452 if (unlikely(IS_PRIVATE(path
->dentry
->d_inode
)))
454 return security_ops
->path_truncate(path
);
457 int security_path_chmod(struct path
*path
, umode_t mode
)
459 if (unlikely(IS_PRIVATE(path
->dentry
->d_inode
)))
461 return security_ops
->path_chmod(path
, mode
);
464 int security_path_chown(struct path
*path
, uid_t uid
, gid_t gid
)
466 if (unlikely(IS_PRIVATE(path
->dentry
->d_inode
)))
468 return security_ops
->path_chown(path
, uid
, gid
);
471 int security_path_chroot(struct path
*path
)
473 return security_ops
->path_chroot(path
);
477 int security_inode_create(struct inode
*dir
, struct dentry
*dentry
, umode_t mode
)
479 if (unlikely(IS_PRIVATE(dir
)))
481 return security_ops
->inode_create(dir
, dentry
, mode
);
483 EXPORT_SYMBOL_GPL(security_inode_create
);
485 int security_inode_link(struct dentry
*old_dentry
, struct inode
*dir
,
486 struct dentry
*new_dentry
)
488 if (unlikely(IS_PRIVATE(old_dentry
->d_inode
)))
490 return security_ops
->inode_link(old_dentry
, dir
, new_dentry
);
493 int security_inode_unlink(struct inode
*dir
, struct dentry
*dentry
)
495 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
497 return security_ops
->inode_unlink(dir
, dentry
);
500 int security_inode_symlink(struct inode
*dir
, struct dentry
*dentry
,
501 const char *old_name
)
503 if (unlikely(IS_PRIVATE(dir
)))
505 return security_ops
->inode_symlink(dir
, dentry
, old_name
);
508 int security_inode_mkdir(struct inode
*dir
, struct dentry
*dentry
, umode_t mode
)
510 if (unlikely(IS_PRIVATE(dir
)))
512 return security_ops
->inode_mkdir(dir
, dentry
, mode
);
514 EXPORT_SYMBOL_GPL(security_inode_mkdir
);
516 int security_inode_rmdir(struct inode
*dir
, struct dentry
*dentry
)
518 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
520 return security_ops
->inode_rmdir(dir
, dentry
);
523 int security_inode_mknod(struct inode
*dir
, struct dentry
*dentry
, umode_t mode
, dev_t dev
)
525 if (unlikely(IS_PRIVATE(dir
)))
527 return security_ops
->inode_mknod(dir
, dentry
, mode
, dev
);
530 int security_inode_rename(struct inode
*old_dir
, struct dentry
*old_dentry
,
531 struct inode
*new_dir
, struct dentry
*new_dentry
)
533 if (unlikely(IS_PRIVATE(old_dentry
->d_inode
) ||
534 (new_dentry
->d_inode
&& IS_PRIVATE(new_dentry
->d_inode
))))
536 return security_ops
->inode_rename(old_dir
, old_dentry
,
537 new_dir
, new_dentry
);
540 int security_inode_readlink(struct dentry
*dentry
)
542 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
544 return security_ops
->inode_readlink(dentry
);
547 int security_inode_follow_link(struct dentry
*dentry
, struct nameidata
*nd
)
549 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
551 return security_ops
->inode_follow_link(dentry
, nd
);
554 int security_inode_permission(struct inode
*inode
, int mask
)
556 if (unlikely(IS_PRIVATE(inode
)))
558 return security_ops
->inode_permission(inode
, mask
);
561 int security_inode_setattr(struct dentry
*dentry
, struct iattr
*attr
)
565 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
567 ret
= security_ops
->inode_setattr(dentry
, attr
);
570 return evm_inode_setattr(dentry
, attr
);
572 EXPORT_SYMBOL_GPL(security_inode_setattr
);
574 int security_inode_getattr(struct vfsmount
*mnt
, struct dentry
*dentry
)
576 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
578 return security_ops
->inode_getattr(mnt
, dentry
);
581 int security_inode_setxattr(struct dentry
*dentry
, const char *name
,
582 const void *value
, size_t size
, int flags
)
586 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
588 ret
= security_ops
->inode_setxattr(dentry
, name
, value
, size
, flags
);
591 return evm_inode_setxattr(dentry
, name
, value
, size
);
594 void security_inode_post_setxattr(struct dentry
*dentry
, const char *name
,
595 const void *value
, size_t size
, int flags
)
597 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
599 security_ops
->inode_post_setxattr(dentry
, name
, value
, size
, flags
);
600 evm_inode_post_setxattr(dentry
, name
, value
, size
);
603 int security_inode_getxattr(struct dentry
*dentry
, const char *name
)
605 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
607 return security_ops
->inode_getxattr(dentry
, name
);
610 int security_inode_listxattr(struct dentry
*dentry
)
612 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
614 return security_ops
->inode_listxattr(dentry
);
617 int security_inode_removexattr(struct dentry
*dentry
, const char *name
)
621 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
623 ret
= security_ops
->inode_removexattr(dentry
, name
);
626 return evm_inode_removexattr(dentry
, name
);
629 int security_inode_need_killpriv(struct dentry
*dentry
)
631 return security_ops
->inode_need_killpriv(dentry
);
634 int security_inode_killpriv(struct dentry
*dentry
)
636 return security_ops
->inode_killpriv(dentry
);
639 int security_inode_getsecurity(const struct inode
*inode
, const char *name
, void **buffer
, bool alloc
)
641 if (unlikely(IS_PRIVATE(inode
)))
643 return security_ops
->inode_getsecurity(inode
, name
, buffer
, alloc
);
646 int security_inode_setsecurity(struct inode
*inode
, const char *name
, const void *value
, size_t size
, int flags
)
648 if (unlikely(IS_PRIVATE(inode
)))
650 return security_ops
->inode_setsecurity(inode
, name
, value
, size
, flags
);
653 int security_inode_listsecurity(struct inode
*inode
, char *buffer
, size_t buffer_size
)
655 if (unlikely(IS_PRIVATE(inode
)))
657 return security_ops
->inode_listsecurity(inode
, buffer
, buffer_size
);
660 void security_inode_getsecid(const struct inode
*inode
, u32
*secid
)
662 security_ops
->inode_getsecid(inode
, secid
);
665 int security_file_permission(struct file
*file
, int mask
)
669 ret
= security_ops
->file_permission(file
, mask
);
673 return fsnotify_perm(file
, mask
);
676 int security_file_alloc(struct file
*file
)
678 return security_ops
->file_alloc_security(file
);
681 void security_file_free(struct file
*file
)
683 security_ops
->file_free_security(file
);
686 int security_file_ioctl(struct file
*file
, unsigned int cmd
, unsigned long arg
)
688 return security_ops
->file_ioctl(file
, cmd
, arg
);
691 int security_file_mmap(struct file
*file
, unsigned long reqprot
,
692 unsigned long prot
, unsigned long flags
,
693 unsigned long addr
, unsigned long addr_only
)
697 ret
= security_ops
->file_mmap(file
, reqprot
, prot
, flags
, addr
, addr_only
);
700 return ima_file_mmap(file
, prot
);
703 int security_file_mprotect(struct vm_area_struct
*vma
, unsigned long reqprot
,
706 return security_ops
->file_mprotect(vma
, reqprot
, prot
);
709 int security_file_lock(struct file
*file
, unsigned int cmd
)
711 return security_ops
->file_lock(file
, cmd
);
714 int security_file_fcntl(struct file
*file
, unsigned int cmd
, unsigned long arg
)
716 return security_ops
->file_fcntl(file
, cmd
, arg
);
719 int security_file_set_fowner(struct file
*file
)
721 return security_ops
->file_set_fowner(file
);
724 int security_file_send_sigiotask(struct task_struct
*tsk
,
725 struct fown_struct
*fown
, int sig
)
727 return security_ops
->file_send_sigiotask(tsk
, fown
, sig
);
730 int security_file_receive(struct file
*file
)
732 return security_ops
->file_receive(file
);
735 int security_dentry_open(struct file
*file
, const struct cred
*cred
)
739 ret
= security_ops
->dentry_open(file
, cred
);
743 return fsnotify_perm(file
, MAY_OPEN
);
746 int security_task_create(unsigned long clone_flags
)
748 return security_ops
->task_create(clone_flags
);
751 int security_cred_alloc_blank(struct cred
*cred
, gfp_t gfp
)
753 return security_ops
->cred_alloc_blank(cred
, gfp
);
756 void security_cred_free(struct cred
*cred
)
758 security_ops
->cred_free(cred
);
761 int security_prepare_creds(struct cred
*new, const struct cred
*old
, gfp_t gfp
)
763 return security_ops
->cred_prepare(new, old
, gfp
);
766 void security_transfer_creds(struct cred
*new, const struct cred
*old
)
768 security_ops
->cred_transfer(new, old
);
771 int security_kernel_act_as(struct cred
*new, u32 secid
)
773 return security_ops
->kernel_act_as(new, secid
);
776 int security_kernel_create_files_as(struct cred
*new, struct inode
*inode
)
778 return security_ops
->kernel_create_files_as(new, inode
);
781 int security_kernel_module_request(char *kmod_name
)
783 return security_ops
->kernel_module_request(kmod_name
);
786 int security_task_fix_setuid(struct cred
*new, const struct cred
*old
,
789 return security_ops
->task_fix_setuid(new, old
, flags
);
792 int security_task_setpgid(struct task_struct
*p
, pid_t pgid
)
794 return security_ops
->task_setpgid(p
, pgid
);
797 int security_task_getpgid(struct task_struct
*p
)
799 return security_ops
->task_getpgid(p
);
802 int security_task_getsid(struct task_struct
*p
)
804 return security_ops
->task_getsid(p
);
807 void security_task_getsecid(struct task_struct
*p
, u32
*secid
)
809 security_ops
->task_getsecid(p
, secid
);
811 EXPORT_SYMBOL(security_task_getsecid
);
813 int security_task_setnice(struct task_struct
*p
, int nice
)
815 return security_ops
->task_setnice(p
, nice
);
818 int security_task_setioprio(struct task_struct
*p
, int ioprio
)
820 return security_ops
->task_setioprio(p
, ioprio
);
823 int security_task_getioprio(struct task_struct
*p
)
825 return security_ops
->task_getioprio(p
);
828 int security_task_setrlimit(struct task_struct
*p
, unsigned int resource
,
829 struct rlimit
*new_rlim
)
831 return security_ops
->task_setrlimit(p
, resource
, new_rlim
);
834 int security_task_setscheduler(struct task_struct
*p
)
836 return security_ops
->task_setscheduler(p
);
839 int security_task_getscheduler(struct task_struct
*p
)
841 return security_ops
->task_getscheduler(p
);
844 int security_task_movememory(struct task_struct
*p
)
846 return security_ops
->task_movememory(p
);
849 int security_task_kill(struct task_struct
*p
, struct siginfo
*info
,
852 return security_ops
->task_kill(p
, info
, sig
, secid
);
855 int security_task_wait(struct task_struct
*p
)
857 return security_ops
->task_wait(p
);
860 int security_task_prctl(int option
, unsigned long arg2
, unsigned long arg3
,
861 unsigned long arg4
, unsigned long arg5
)
863 return security_ops
->task_prctl(option
, arg2
, arg3
, arg4
, arg5
);
866 void security_task_to_inode(struct task_struct
*p
, struct inode
*inode
)
868 security_ops
->task_to_inode(p
, inode
);
871 int security_ipc_permission(struct kern_ipc_perm
*ipcp
, short flag
)
873 return security_ops
->ipc_permission(ipcp
, flag
);
876 void security_ipc_getsecid(struct kern_ipc_perm
*ipcp
, u32
*secid
)
878 security_ops
->ipc_getsecid(ipcp
, secid
);
881 int security_msg_msg_alloc(struct msg_msg
*msg
)
883 return security_ops
->msg_msg_alloc_security(msg
);
886 void security_msg_msg_free(struct msg_msg
*msg
)
888 security_ops
->msg_msg_free_security(msg
);
891 int security_msg_queue_alloc(struct msg_queue
*msq
)
893 return security_ops
->msg_queue_alloc_security(msq
);
896 void security_msg_queue_free(struct msg_queue
*msq
)
898 security_ops
->msg_queue_free_security(msq
);
901 int security_msg_queue_associate(struct msg_queue
*msq
, int msqflg
)
903 return security_ops
->msg_queue_associate(msq
, msqflg
);
906 int security_msg_queue_msgctl(struct msg_queue
*msq
, int cmd
)
908 return security_ops
->msg_queue_msgctl(msq
, cmd
);
911 int security_msg_queue_msgsnd(struct msg_queue
*msq
,
912 struct msg_msg
*msg
, int msqflg
)
914 return security_ops
->msg_queue_msgsnd(msq
, msg
, msqflg
);
917 int security_msg_queue_msgrcv(struct msg_queue
*msq
, struct msg_msg
*msg
,
918 struct task_struct
*target
, long type
, int mode
)
920 return security_ops
->msg_queue_msgrcv(msq
, msg
, target
, type
, mode
);
923 int security_shm_alloc(struct shmid_kernel
*shp
)
925 return security_ops
->shm_alloc_security(shp
);
928 void security_shm_free(struct shmid_kernel
*shp
)
930 security_ops
->shm_free_security(shp
);
933 int security_shm_associate(struct shmid_kernel
*shp
, int shmflg
)
935 return security_ops
->shm_associate(shp
, shmflg
);
938 int security_shm_shmctl(struct shmid_kernel
*shp
, int cmd
)
940 return security_ops
->shm_shmctl(shp
, cmd
);
943 int security_shm_shmat(struct shmid_kernel
*shp
, char __user
*shmaddr
, int shmflg
)
945 return security_ops
->shm_shmat(shp
, shmaddr
, shmflg
);
948 int security_sem_alloc(struct sem_array
*sma
)
950 return security_ops
->sem_alloc_security(sma
);
953 void security_sem_free(struct sem_array
*sma
)
955 security_ops
->sem_free_security(sma
);
958 int security_sem_associate(struct sem_array
*sma
, int semflg
)
960 return security_ops
->sem_associate(sma
, semflg
);
963 int security_sem_semctl(struct sem_array
*sma
, int cmd
)
965 return security_ops
->sem_semctl(sma
, cmd
);
968 int security_sem_semop(struct sem_array
*sma
, struct sembuf
*sops
,
969 unsigned nsops
, int alter
)
971 return security_ops
->sem_semop(sma
, sops
, nsops
, alter
);
974 void security_d_instantiate(struct dentry
*dentry
, struct inode
*inode
)
976 if (unlikely(inode
&& IS_PRIVATE(inode
)))
978 security_ops
->d_instantiate(dentry
, inode
);
980 EXPORT_SYMBOL(security_d_instantiate
);
982 int security_getprocattr(struct task_struct
*p
, char *name
, char **value
)
984 return security_ops
->getprocattr(p
, name
, value
);
987 int security_setprocattr(struct task_struct
*p
, char *name
, void *value
, size_t size
)
989 return security_ops
->setprocattr(p
, name
, value
, size
);
992 int security_netlink_send(struct sock
*sk
, struct sk_buff
*skb
)
994 return security_ops
->netlink_send(sk
, skb
);
997 int security_netlink_recv(struct sk_buff
*skb
, int cap
)
999 return security_ops
->netlink_recv(skb
, cap
);
1001 EXPORT_SYMBOL(security_netlink_recv
);
1003 int security_secid_to_secctx(u32 secid
, char **secdata
, u32
*seclen
)
1005 return security_ops
->secid_to_secctx(secid
, secdata
, seclen
);
1007 EXPORT_SYMBOL(security_secid_to_secctx
);
1009 int security_secctx_to_secid(const char *secdata
, u32 seclen
, u32
*secid
)
1011 return security_ops
->secctx_to_secid(secdata
, seclen
, secid
);
1013 EXPORT_SYMBOL(security_secctx_to_secid
);
1015 void security_release_secctx(char *secdata
, u32 seclen
)
1017 security_ops
->release_secctx(secdata
, seclen
);
1019 EXPORT_SYMBOL(security_release_secctx
);
1021 int security_inode_notifysecctx(struct inode
*inode
, void *ctx
, u32 ctxlen
)
1023 return security_ops
->inode_notifysecctx(inode
, ctx
, ctxlen
);
1025 EXPORT_SYMBOL(security_inode_notifysecctx
);
1027 int security_inode_setsecctx(struct dentry
*dentry
, void *ctx
, u32 ctxlen
)
1029 return security_ops
->inode_setsecctx(dentry
, ctx
, ctxlen
);
1031 EXPORT_SYMBOL(security_inode_setsecctx
);
1033 int security_inode_getsecctx(struct inode
*inode
, void **ctx
, u32
*ctxlen
)
1035 return security_ops
->inode_getsecctx(inode
, ctx
, ctxlen
);
1037 EXPORT_SYMBOL(security_inode_getsecctx
);
1039 #ifdef CONFIG_SECURITY_NETWORK
1041 int security_unix_stream_connect(struct sock
*sock
, struct sock
*other
, struct sock
*newsk
)
1043 return security_ops
->unix_stream_connect(sock
, other
, newsk
);
1045 EXPORT_SYMBOL(security_unix_stream_connect
);
1047 int security_unix_may_send(struct socket
*sock
, struct socket
*other
)
1049 return security_ops
->unix_may_send(sock
, other
);
1051 EXPORT_SYMBOL(security_unix_may_send
);
1053 int security_socket_create(int family
, int type
, int protocol
, int kern
)
1055 return security_ops
->socket_create(family
, type
, protocol
, kern
);
1058 int security_socket_post_create(struct socket
*sock
, int family
,
1059 int type
, int protocol
, int kern
)
1061 return security_ops
->socket_post_create(sock
, family
, type
,
1065 int security_socket_bind(struct socket
*sock
, struct sockaddr
*address
, int addrlen
)
1067 return security_ops
->socket_bind(sock
, address
, addrlen
);
1070 int security_socket_connect(struct socket
*sock
, struct sockaddr
*address
, int addrlen
)
1072 return security_ops
->socket_connect(sock
, address
, addrlen
);
1075 int security_socket_listen(struct socket
*sock
, int backlog
)
1077 return security_ops
->socket_listen(sock
, backlog
);
1080 int security_socket_accept(struct socket
*sock
, struct socket
*newsock
)
1082 return security_ops
->socket_accept(sock
, newsock
);
1085 int security_socket_sendmsg(struct socket
*sock
, struct msghdr
*msg
, int size
)
1087 return security_ops
->socket_sendmsg(sock
, msg
, size
);
1090 int security_socket_recvmsg(struct socket
*sock
, struct msghdr
*msg
,
1091 int size
, int flags
)
1093 return security_ops
->socket_recvmsg(sock
, msg
, size
, flags
);
1096 int security_socket_getsockname(struct socket
*sock
)
1098 return security_ops
->socket_getsockname(sock
);
1101 int security_socket_getpeername(struct socket
*sock
)
1103 return security_ops
->socket_getpeername(sock
);
1106 int security_socket_getsockopt(struct socket
*sock
, int level
, int optname
)
1108 return security_ops
->socket_getsockopt(sock
, level
, optname
);
1111 int security_socket_setsockopt(struct socket
*sock
, int level
, int optname
)
1113 return security_ops
->socket_setsockopt(sock
, level
, optname
);
1116 int security_socket_shutdown(struct socket
*sock
, int how
)
1118 return security_ops
->socket_shutdown(sock
, how
);
1121 int security_sock_rcv_skb(struct sock
*sk
, struct sk_buff
*skb
)
1123 return security_ops
->socket_sock_rcv_skb(sk
, skb
);
1125 EXPORT_SYMBOL(security_sock_rcv_skb
);
1127 int security_socket_getpeersec_stream(struct socket
*sock
, char __user
*optval
,
1128 int __user
*optlen
, unsigned len
)
1130 return security_ops
->socket_getpeersec_stream(sock
, optval
, optlen
, len
);
1133 int security_socket_getpeersec_dgram(struct socket
*sock
, struct sk_buff
*skb
, u32
*secid
)
1135 return security_ops
->socket_getpeersec_dgram(sock
, skb
, secid
);
1137 EXPORT_SYMBOL(security_socket_getpeersec_dgram
);
1139 int security_sk_alloc(struct sock
*sk
, int family
, gfp_t priority
)
1141 return security_ops
->sk_alloc_security(sk
, family
, priority
);
1144 void security_sk_free(struct sock
*sk
)
1146 security_ops
->sk_free_security(sk
);
1149 void security_sk_clone(const struct sock
*sk
, struct sock
*newsk
)
1151 security_ops
->sk_clone_security(sk
, newsk
);
1153 EXPORT_SYMBOL(security_sk_clone
);
1155 void security_sk_classify_flow(struct sock
*sk
, struct flowi
*fl
)
1157 security_ops
->sk_getsecid(sk
, &fl
->flowi_secid
);
1159 EXPORT_SYMBOL(security_sk_classify_flow
);
1161 void security_req_classify_flow(const struct request_sock
*req
, struct flowi
*fl
)
1163 security_ops
->req_classify_flow(req
, fl
);
1165 EXPORT_SYMBOL(security_req_classify_flow
);
1167 void security_sock_graft(struct sock
*sk
, struct socket
*parent
)
1169 security_ops
->sock_graft(sk
, parent
);
1171 EXPORT_SYMBOL(security_sock_graft
);
1173 int security_inet_conn_request(struct sock
*sk
,
1174 struct sk_buff
*skb
, struct request_sock
*req
)
1176 return security_ops
->inet_conn_request(sk
, skb
, req
);
1178 EXPORT_SYMBOL(security_inet_conn_request
);
1180 void security_inet_csk_clone(struct sock
*newsk
,
1181 const struct request_sock
*req
)
1183 security_ops
->inet_csk_clone(newsk
, req
);
1186 void security_inet_conn_established(struct sock
*sk
,
1187 struct sk_buff
*skb
)
1189 security_ops
->inet_conn_established(sk
, skb
);
1192 int security_secmark_relabel_packet(u32 secid
)
1194 return security_ops
->secmark_relabel_packet(secid
);
1196 EXPORT_SYMBOL(security_secmark_relabel_packet
);
1198 void security_secmark_refcount_inc(void)
1200 security_ops
->secmark_refcount_inc();
1202 EXPORT_SYMBOL(security_secmark_refcount_inc
);
1204 void security_secmark_refcount_dec(void)
1206 security_ops
->secmark_refcount_dec();
1208 EXPORT_SYMBOL(security_secmark_refcount_dec
);
1210 int security_tun_dev_create(void)
1212 return security_ops
->tun_dev_create();
1214 EXPORT_SYMBOL(security_tun_dev_create
);
1216 void security_tun_dev_post_create(struct sock
*sk
)
1218 return security_ops
->tun_dev_post_create(sk
);
1220 EXPORT_SYMBOL(security_tun_dev_post_create
);
1222 int security_tun_dev_attach(struct sock
*sk
)
1224 return security_ops
->tun_dev_attach(sk
);
1226 EXPORT_SYMBOL(security_tun_dev_attach
);
1228 #endif /* CONFIG_SECURITY_NETWORK */
1230 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1232 int security_xfrm_policy_alloc(struct xfrm_sec_ctx
**ctxp
, struct xfrm_user_sec_ctx
*sec_ctx
)
1234 return security_ops
->xfrm_policy_alloc_security(ctxp
, sec_ctx
);
1236 EXPORT_SYMBOL(security_xfrm_policy_alloc
);
1238 int security_xfrm_policy_clone(struct xfrm_sec_ctx
*old_ctx
,
1239 struct xfrm_sec_ctx
**new_ctxp
)
1241 return security_ops
->xfrm_policy_clone_security(old_ctx
, new_ctxp
);
1244 void security_xfrm_policy_free(struct xfrm_sec_ctx
*ctx
)
1246 security_ops
->xfrm_policy_free_security(ctx
);
1248 EXPORT_SYMBOL(security_xfrm_policy_free
);
1250 int security_xfrm_policy_delete(struct xfrm_sec_ctx
*ctx
)
1252 return security_ops
->xfrm_policy_delete_security(ctx
);
1255 int security_xfrm_state_alloc(struct xfrm_state
*x
, struct xfrm_user_sec_ctx
*sec_ctx
)
1257 return security_ops
->xfrm_state_alloc_security(x
, sec_ctx
, 0);
1259 EXPORT_SYMBOL(security_xfrm_state_alloc
);
1261 int security_xfrm_state_alloc_acquire(struct xfrm_state
*x
,
1262 struct xfrm_sec_ctx
*polsec
, u32 secid
)
1267 * We want the context to be taken from secid which is usually
1270 return security_ops
->xfrm_state_alloc_security(x
, NULL
, secid
);
1273 int security_xfrm_state_delete(struct xfrm_state
*x
)
1275 return security_ops
->xfrm_state_delete_security(x
);
1277 EXPORT_SYMBOL(security_xfrm_state_delete
);
1279 void security_xfrm_state_free(struct xfrm_state
*x
)
1281 security_ops
->xfrm_state_free_security(x
);
1284 int security_xfrm_policy_lookup(struct xfrm_sec_ctx
*ctx
, u32 fl_secid
, u8 dir
)
1286 return security_ops
->xfrm_policy_lookup(ctx
, fl_secid
, dir
);
1289 int security_xfrm_state_pol_flow_match(struct xfrm_state
*x
,
1290 struct xfrm_policy
*xp
,
1291 const struct flowi
*fl
)
1293 return security_ops
->xfrm_state_pol_flow_match(x
, xp
, fl
);
1296 int security_xfrm_decode_session(struct sk_buff
*skb
, u32
*secid
)
1298 return security_ops
->xfrm_decode_session(skb
, secid
, 1);
1301 void security_skb_classify_flow(struct sk_buff
*skb
, struct flowi
*fl
)
1303 int rc
= security_ops
->xfrm_decode_session(skb
, &fl
->flowi_secid
, 0);
1307 EXPORT_SYMBOL(security_skb_classify_flow
);
1309 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1313 int security_key_alloc(struct key
*key
, const struct cred
*cred
,
1314 unsigned long flags
)
1316 return security_ops
->key_alloc(key
, cred
, flags
);
1319 void security_key_free(struct key
*key
)
1321 security_ops
->key_free(key
);
1324 int security_key_permission(key_ref_t key_ref
,
1325 const struct cred
*cred
, key_perm_t perm
)
1327 return security_ops
->key_permission(key_ref
, cred
, perm
);
1330 int security_key_getsecurity(struct key
*key
, char **_buffer
)
1332 return security_ops
->key_getsecurity(key
, _buffer
);
1335 #endif /* CONFIG_KEYS */
1339 int security_audit_rule_init(u32 field
, u32 op
, char *rulestr
, void **lsmrule
)
1341 return security_ops
->audit_rule_init(field
, op
, rulestr
, lsmrule
);
1344 int security_audit_rule_known(struct audit_krule
*krule
)
1346 return security_ops
->audit_rule_known(krule
);
1349 void security_audit_rule_free(void *lsmrule
)
1351 security_ops
->audit_rule_free(lsmrule
);
1354 int security_audit_rule_match(u32 secid
, u32 field
, u32 op
, void *lsmrule
,
1355 struct audit_context
*actx
)
1357 return security_ops
->audit_rule_match(secid
, field
, op
, lsmrule
, actx
);
1360 #endif /* CONFIG_AUDIT */