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>
22 #include <linux/fsnotify.h>
25 #define MAX_LSM_EVM_XATTR 2
27 /* Boot-time LSM user choice */
28 static __initdata
char chosen_lsm
[SECURITY_NAME_MAX
+ 1] =
29 CONFIG_DEFAULT_SECURITY
;
31 static struct security_operations
*security_ops
;
32 static struct security_operations default_security_ops
= {
36 static inline int __init
verify(struct security_operations
*ops
)
38 /* verify the security_operations structure exists */
41 security_fixup_ops(ops
);
45 static void __init
do_security_initcalls(void)
48 call
= __security_initcall_start
;
49 while (call
< __security_initcall_end
) {
56 * security_init - initializes the security framework
58 * This should be called early in the kernel initialization sequence.
60 int __init
security_init(void)
62 printk(KERN_INFO
"Security Framework initialized\n");
64 security_fixup_ops(&default_security_ops
);
65 security_ops
= &default_security_ops
;
66 do_security_initcalls();
71 void reset_security_ops(void)
73 security_ops
= &default_security_ops
;
76 /* Save user chosen LSM */
77 static int __init
choose_lsm(char *str
)
79 strncpy(chosen_lsm
, str
, SECURITY_NAME_MAX
);
82 __setup("security=", choose_lsm
);
85 * security_module_enable - Load given security module on boot ?
86 * @ops: a pointer to the struct security_operations that is to be checked.
88 * Each LSM must pass this method before registering its own operations
89 * to avoid security registration races. This method may also be used
90 * to check if your LSM is currently loaded during kernel initialization.
93 * -The passed LSM is the one chosen by user at boot time,
94 * -or the passed LSM is configured as the default and the user did not
95 * choose an alternate LSM at boot time.
96 * Otherwise, return false.
98 int __init
security_module_enable(struct security_operations
*ops
)
100 return !strcmp(ops
->name
, chosen_lsm
);
104 * register_security - registers a security framework with the kernel
105 * @ops: a pointer to the struct security_options that is to be registered
107 * This function allows a security module to register itself with the
108 * kernel security subsystem. Some rudimentary checking is done on the @ops
109 * value passed to this function. You'll need to check first if your LSM
110 * is allowed to register its @ops by calling security_module_enable(@ops).
112 * If there is already a security module registered with the kernel,
113 * an error will be returned. Otherwise %0 is returned on success.
115 int __init
register_security(struct security_operations
*ops
)
118 printk(KERN_DEBUG
"%s could not verify "
119 "security_operations structure.\n", __func__
);
123 if (security_ops
!= &default_security_ops
)
131 /* Security operations */
133 int security_ptrace_access_check(struct task_struct
*child
, unsigned int mode
)
135 return security_ops
->ptrace_access_check(child
, mode
);
138 int security_ptrace_traceme(struct task_struct
*parent
)
140 return security_ops
->ptrace_traceme(parent
);
143 int security_capget(struct task_struct
*target
,
144 kernel_cap_t
*effective
,
145 kernel_cap_t
*inheritable
,
146 kernel_cap_t
*permitted
)
148 return security_ops
->capget(target
, effective
, inheritable
, permitted
);
151 int security_capset(struct cred
*new, const struct cred
*old
,
152 const kernel_cap_t
*effective
,
153 const kernel_cap_t
*inheritable
,
154 const kernel_cap_t
*permitted
)
156 return security_ops
->capset(new, old
,
157 effective
, inheritable
, permitted
);
160 int security_capable(const struct cred
*cred
, struct user_namespace
*ns
,
163 return security_ops
->capable(cred
, ns
, cap
, SECURITY_CAP_AUDIT
);
166 int security_capable_noaudit(const struct cred
*cred
, struct user_namespace
*ns
,
169 return security_ops
->capable(cred
, ns
, cap
, SECURITY_CAP_NOAUDIT
);
172 int security_quotactl(int cmds
, int type
, int id
, struct super_block
*sb
)
174 return security_ops
->quotactl(cmds
, type
, id
, sb
);
177 int security_quota_on(struct dentry
*dentry
)
179 return security_ops
->quota_on(dentry
);
182 int security_syslog(int type
)
184 return security_ops
->syslog(type
);
187 int security_settime(const struct timespec
*ts
, const struct timezone
*tz
)
189 return security_ops
->settime(ts
, tz
);
192 int security_vm_enough_memory_mm(struct mm_struct
*mm
, long pages
)
194 return security_ops
->vm_enough_memory(mm
, pages
);
197 int security_bprm_set_creds(struct linux_binprm
*bprm
)
199 return security_ops
->bprm_set_creds(bprm
);
202 int security_bprm_check(struct linux_binprm
*bprm
)
206 ret
= security_ops
->bprm_check_security(bprm
);
209 return ima_bprm_check(bprm
);
212 void security_bprm_committing_creds(struct linux_binprm
*bprm
)
214 security_ops
->bprm_committing_creds(bprm
);
217 void security_bprm_committed_creds(struct linux_binprm
*bprm
)
219 security_ops
->bprm_committed_creds(bprm
);
222 int security_bprm_secureexec(struct linux_binprm
*bprm
)
224 return security_ops
->bprm_secureexec(bprm
);
227 int security_sb_alloc(struct super_block
*sb
)
229 return security_ops
->sb_alloc_security(sb
);
232 void security_sb_free(struct super_block
*sb
)
234 security_ops
->sb_free_security(sb
);
237 int security_sb_copy_data(char *orig
, char *copy
)
239 return security_ops
->sb_copy_data(orig
, copy
);
241 EXPORT_SYMBOL(security_sb_copy_data
);
243 int security_sb_remount(struct super_block
*sb
, void *data
)
245 return security_ops
->sb_remount(sb
, data
);
248 int security_sb_kern_mount(struct super_block
*sb
, int flags
, void *data
)
250 return security_ops
->sb_kern_mount(sb
, flags
, data
);
253 int security_sb_show_options(struct seq_file
*m
, struct super_block
*sb
)
255 return security_ops
->sb_show_options(m
, sb
);
258 int security_sb_statfs(struct dentry
*dentry
)
260 return security_ops
->sb_statfs(dentry
);
263 int security_sb_mount(char *dev_name
, struct path
*path
,
264 char *type
, unsigned long flags
, void *data
)
266 return security_ops
->sb_mount(dev_name
, path
, type
, flags
, data
);
269 int security_sb_umount(struct vfsmount
*mnt
, int flags
)
271 return security_ops
->sb_umount(mnt
, flags
);
274 int security_sb_pivotroot(struct path
*old_path
, struct path
*new_path
)
276 return security_ops
->sb_pivotroot(old_path
, new_path
);
279 int security_sb_set_mnt_opts(struct super_block
*sb
,
280 struct security_mnt_opts
*opts
)
282 return security_ops
->sb_set_mnt_opts(sb
, opts
);
284 EXPORT_SYMBOL(security_sb_set_mnt_opts
);
286 void security_sb_clone_mnt_opts(const struct super_block
*oldsb
,
287 struct super_block
*newsb
)
289 security_ops
->sb_clone_mnt_opts(oldsb
, newsb
);
291 EXPORT_SYMBOL(security_sb_clone_mnt_opts
);
293 int security_sb_parse_opts_str(char *options
, struct security_mnt_opts
*opts
)
295 return security_ops
->sb_parse_opts_str(options
, opts
);
297 EXPORT_SYMBOL(security_sb_parse_opts_str
);
299 int security_inode_alloc(struct inode
*inode
)
301 inode
->i_security
= NULL
;
302 return security_ops
->inode_alloc_security(inode
);
305 void security_inode_free(struct inode
*inode
)
307 integrity_inode_free(inode
);
308 security_ops
->inode_free_security(inode
);
311 int security_inode_init_security(struct inode
*inode
, struct inode
*dir
,
312 const struct qstr
*qstr
,
313 const initxattrs initxattrs
, void *fs_data
)
315 struct xattr new_xattrs
[MAX_LSM_EVM_XATTR
+ 1];
316 struct xattr
*lsm_xattr
, *evm_xattr
, *xattr
;
319 if (unlikely(IS_PRIVATE(inode
)))
322 memset(new_xattrs
, 0, sizeof new_xattrs
);
324 return security_ops
->inode_init_security(inode
, dir
, qstr
,
326 lsm_xattr
= new_xattrs
;
327 ret
= security_ops
->inode_init_security(inode
, dir
, qstr
,
330 &lsm_xattr
->value_len
);
334 evm_xattr
= lsm_xattr
+ 1;
335 ret
= evm_inode_init_security(inode
, lsm_xattr
, evm_xattr
);
338 ret
= initxattrs(inode
, new_xattrs
, fs_data
);
340 for (xattr
= new_xattrs
; xattr
->name
!= NULL
; xattr
++) {
344 return (ret
== -EOPNOTSUPP
) ? 0 : ret
;
346 EXPORT_SYMBOL(security_inode_init_security
);
348 int security_old_inode_init_security(struct inode
*inode
, struct inode
*dir
,
349 const struct qstr
*qstr
, char **name
,
350 void **value
, size_t *len
)
352 if (unlikely(IS_PRIVATE(inode
)))
354 return security_ops
->inode_init_security(inode
, dir
, qstr
, name
, value
,
357 EXPORT_SYMBOL(security_old_inode_init_security
);
359 #ifdef CONFIG_SECURITY_PATH
360 int security_path_mknod(struct path
*dir
, struct dentry
*dentry
, umode_t mode
,
363 if (unlikely(IS_PRIVATE(dir
->dentry
->d_inode
)))
365 return security_ops
->path_mknod(dir
, dentry
, mode
, dev
);
367 EXPORT_SYMBOL(security_path_mknod
);
369 int security_path_mkdir(struct path
*dir
, struct dentry
*dentry
, umode_t mode
)
371 if (unlikely(IS_PRIVATE(dir
->dentry
->d_inode
)))
373 return security_ops
->path_mkdir(dir
, dentry
, mode
);
375 EXPORT_SYMBOL(security_path_mkdir
);
377 int security_path_rmdir(struct path
*dir
, struct dentry
*dentry
)
379 if (unlikely(IS_PRIVATE(dir
->dentry
->d_inode
)))
381 return security_ops
->path_rmdir(dir
, dentry
);
384 int security_path_unlink(struct path
*dir
, struct dentry
*dentry
)
386 if (unlikely(IS_PRIVATE(dir
->dentry
->d_inode
)))
388 return security_ops
->path_unlink(dir
, dentry
);
390 EXPORT_SYMBOL(security_path_unlink
);
392 int security_path_symlink(struct path
*dir
, struct dentry
*dentry
,
393 const char *old_name
)
395 if (unlikely(IS_PRIVATE(dir
->dentry
->d_inode
)))
397 return security_ops
->path_symlink(dir
, dentry
, old_name
);
400 int security_path_link(struct dentry
*old_dentry
, struct path
*new_dir
,
401 struct dentry
*new_dentry
)
403 if (unlikely(IS_PRIVATE(old_dentry
->d_inode
)))
405 return security_ops
->path_link(old_dentry
, new_dir
, new_dentry
);
408 int security_path_rename(struct path
*old_dir
, struct dentry
*old_dentry
,
409 struct path
*new_dir
, struct dentry
*new_dentry
)
411 if (unlikely(IS_PRIVATE(old_dentry
->d_inode
) ||
412 (new_dentry
->d_inode
&& IS_PRIVATE(new_dentry
->d_inode
))))
414 return security_ops
->path_rename(old_dir
, old_dentry
, new_dir
,
417 EXPORT_SYMBOL(security_path_rename
);
419 int security_path_truncate(struct path
*path
)
421 if (unlikely(IS_PRIVATE(path
->dentry
->d_inode
)))
423 return security_ops
->path_truncate(path
);
426 int security_path_chmod(struct path
*path
, umode_t mode
)
428 if (unlikely(IS_PRIVATE(path
->dentry
->d_inode
)))
430 return security_ops
->path_chmod(path
, mode
);
433 int security_path_chown(struct path
*path
, uid_t uid
, gid_t gid
)
435 if (unlikely(IS_PRIVATE(path
->dentry
->d_inode
)))
437 return security_ops
->path_chown(path
, uid
, gid
);
440 int security_path_chroot(struct path
*path
)
442 return security_ops
->path_chroot(path
);
446 int security_inode_create(struct inode
*dir
, struct dentry
*dentry
, umode_t mode
)
448 if (unlikely(IS_PRIVATE(dir
)))
450 return security_ops
->inode_create(dir
, dentry
, mode
);
452 EXPORT_SYMBOL_GPL(security_inode_create
);
454 int security_inode_link(struct dentry
*old_dentry
, struct inode
*dir
,
455 struct dentry
*new_dentry
)
457 if (unlikely(IS_PRIVATE(old_dentry
->d_inode
)))
459 return security_ops
->inode_link(old_dentry
, dir
, new_dentry
);
462 int security_inode_unlink(struct inode
*dir
, struct dentry
*dentry
)
464 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
466 return security_ops
->inode_unlink(dir
, dentry
);
469 int security_inode_symlink(struct inode
*dir
, struct dentry
*dentry
,
470 const char *old_name
)
472 if (unlikely(IS_PRIVATE(dir
)))
474 return security_ops
->inode_symlink(dir
, dentry
, old_name
);
477 int security_inode_mkdir(struct inode
*dir
, struct dentry
*dentry
, umode_t mode
)
479 if (unlikely(IS_PRIVATE(dir
)))
481 return security_ops
->inode_mkdir(dir
, dentry
, mode
);
483 EXPORT_SYMBOL_GPL(security_inode_mkdir
);
485 int security_inode_rmdir(struct inode
*dir
, struct dentry
*dentry
)
487 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
489 return security_ops
->inode_rmdir(dir
, dentry
);
492 int security_inode_mknod(struct inode
*dir
, struct dentry
*dentry
, umode_t mode
, dev_t dev
)
494 if (unlikely(IS_PRIVATE(dir
)))
496 return security_ops
->inode_mknod(dir
, dentry
, mode
, dev
);
499 int security_inode_rename(struct inode
*old_dir
, struct dentry
*old_dentry
,
500 struct inode
*new_dir
, struct dentry
*new_dentry
)
502 if (unlikely(IS_PRIVATE(old_dentry
->d_inode
) ||
503 (new_dentry
->d_inode
&& IS_PRIVATE(new_dentry
->d_inode
))))
505 return security_ops
->inode_rename(old_dir
, old_dentry
,
506 new_dir
, new_dentry
);
509 int security_inode_readlink(struct dentry
*dentry
)
511 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
513 return security_ops
->inode_readlink(dentry
);
516 int security_inode_follow_link(struct dentry
*dentry
, struct nameidata
*nd
)
518 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
520 return security_ops
->inode_follow_link(dentry
, nd
);
523 int security_inode_permission(struct inode
*inode
, int mask
)
525 if (unlikely(IS_PRIVATE(inode
)))
527 return security_ops
->inode_permission(inode
, mask
);
530 int security_inode_setattr(struct dentry
*dentry
, struct iattr
*attr
)
534 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
536 ret
= security_ops
->inode_setattr(dentry
, attr
);
539 return evm_inode_setattr(dentry
, attr
);
541 EXPORT_SYMBOL_GPL(security_inode_setattr
);
543 int security_inode_getattr(struct vfsmount
*mnt
, struct dentry
*dentry
)
545 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
547 return security_ops
->inode_getattr(mnt
, dentry
);
550 int security_inode_setxattr(struct dentry
*dentry
, const char *name
,
551 const void *value
, size_t size
, int flags
)
555 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
557 ret
= security_ops
->inode_setxattr(dentry
, name
, value
, size
, flags
);
560 return evm_inode_setxattr(dentry
, name
, value
, size
);
563 void security_inode_post_setxattr(struct dentry
*dentry
, const char *name
,
564 const void *value
, size_t size
, int flags
)
566 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
568 security_ops
->inode_post_setxattr(dentry
, name
, value
, size
, flags
);
569 evm_inode_post_setxattr(dentry
, name
, value
, size
);
572 int security_inode_getxattr(struct dentry
*dentry
, const char *name
)
574 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
576 return security_ops
->inode_getxattr(dentry
, name
);
579 int security_inode_listxattr(struct dentry
*dentry
)
581 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
583 return security_ops
->inode_listxattr(dentry
);
586 int security_inode_removexattr(struct dentry
*dentry
, const char *name
)
590 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
592 ret
= security_ops
->inode_removexattr(dentry
, name
);
595 return evm_inode_removexattr(dentry
, name
);
598 int security_inode_need_killpriv(struct dentry
*dentry
)
600 return security_ops
->inode_need_killpriv(dentry
);
603 int security_inode_killpriv(struct dentry
*dentry
)
605 return security_ops
->inode_killpriv(dentry
);
608 int security_inode_getsecurity(const struct inode
*inode
, const char *name
, void **buffer
, bool alloc
)
610 if (unlikely(IS_PRIVATE(inode
)))
612 return security_ops
->inode_getsecurity(inode
, name
, buffer
, alloc
);
615 int security_inode_setsecurity(struct inode
*inode
, const char *name
, const void *value
, size_t size
, int flags
)
617 if (unlikely(IS_PRIVATE(inode
)))
619 return security_ops
->inode_setsecurity(inode
, name
, value
, size
, flags
);
622 int security_inode_listsecurity(struct inode
*inode
, char *buffer
, size_t buffer_size
)
624 if (unlikely(IS_PRIVATE(inode
)))
626 return security_ops
->inode_listsecurity(inode
, buffer
, buffer_size
);
629 void security_inode_getsecid(const struct inode
*inode
, u32
*secid
)
631 security_ops
->inode_getsecid(inode
, secid
);
634 int security_file_permission(struct file
*file
, int mask
)
638 ret
= security_ops
->file_permission(file
, mask
);
642 return fsnotify_perm(file
, mask
);
645 int security_file_alloc(struct file
*file
)
647 return security_ops
->file_alloc_security(file
);
650 void security_file_free(struct file
*file
)
652 security_ops
->file_free_security(file
);
655 int security_file_ioctl(struct file
*file
, unsigned int cmd
, unsigned long arg
)
657 return security_ops
->file_ioctl(file
, cmd
, arg
);
660 int security_file_mmap(struct file
*file
, unsigned long reqprot
,
661 unsigned long prot
, unsigned long flags
,
662 unsigned long addr
, unsigned long addr_only
)
666 ret
= security_ops
->file_mmap(file
, reqprot
, prot
, flags
, addr
, addr_only
);
669 return ima_file_mmap(file
, prot
);
672 int security_file_mprotect(struct vm_area_struct
*vma
, unsigned long reqprot
,
675 return security_ops
->file_mprotect(vma
, reqprot
, prot
);
678 int security_file_lock(struct file
*file
, unsigned int cmd
)
680 return security_ops
->file_lock(file
, cmd
);
683 int security_file_fcntl(struct file
*file
, unsigned int cmd
, unsigned long arg
)
685 return security_ops
->file_fcntl(file
, cmd
, arg
);
688 int security_file_set_fowner(struct file
*file
)
690 return security_ops
->file_set_fowner(file
);
693 int security_file_send_sigiotask(struct task_struct
*tsk
,
694 struct fown_struct
*fown
, int sig
)
696 return security_ops
->file_send_sigiotask(tsk
, fown
, sig
);
699 int security_file_receive(struct file
*file
)
701 return security_ops
->file_receive(file
);
704 int security_dentry_open(struct file
*file
, const struct cred
*cred
)
708 ret
= security_ops
->dentry_open(file
, cred
);
712 return fsnotify_perm(file
, MAY_OPEN
);
715 int security_task_create(unsigned long clone_flags
)
717 return security_ops
->task_create(clone_flags
);
720 void security_task_free(struct task_struct
*task
)
722 security_ops
->task_free(task
);
725 int security_cred_alloc_blank(struct cred
*cred
, gfp_t gfp
)
727 return security_ops
->cred_alloc_blank(cred
, gfp
);
730 void security_cred_free(struct cred
*cred
)
732 security_ops
->cred_free(cred
);
735 int security_prepare_creds(struct cred
*new, const struct cred
*old
, gfp_t gfp
)
737 return security_ops
->cred_prepare(new, old
, gfp
);
740 void security_transfer_creds(struct cred
*new, const struct cred
*old
)
742 security_ops
->cred_transfer(new, old
);
745 int security_kernel_act_as(struct cred
*new, u32 secid
)
747 return security_ops
->kernel_act_as(new, secid
);
750 int security_kernel_create_files_as(struct cred
*new, struct inode
*inode
)
752 return security_ops
->kernel_create_files_as(new, inode
);
755 int security_kernel_module_request(char *kmod_name
)
757 return security_ops
->kernel_module_request(kmod_name
);
760 int security_task_fix_setuid(struct cred
*new, const struct cred
*old
,
763 return security_ops
->task_fix_setuid(new, old
, flags
);
766 int security_task_setpgid(struct task_struct
*p
, pid_t pgid
)
768 return security_ops
->task_setpgid(p
, pgid
);
771 int security_task_getpgid(struct task_struct
*p
)
773 return security_ops
->task_getpgid(p
);
776 int security_task_getsid(struct task_struct
*p
)
778 return security_ops
->task_getsid(p
);
781 void security_task_getsecid(struct task_struct
*p
, u32
*secid
)
783 security_ops
->task_getsecid(p
, secid
);
785 EXPORT_SYMBOL(security_task_getsecid
);
787 int security_task_setnice(struct task_struct
*p
, int nice
)
789 return security_ops
->task_setnice(p
, nice
);
792 int security_task_setioprio(struct task_struct
*p
, int ioprio
)
794 return security_ops
->task_setioprio(p
, ioprio
);
797 int security_task_getioprio(struct task_struct
*p
)
799 return security_ops
->task_getioprio(p
);
802 int security_task_setrlimit(struct task_struct
*p
, unsigned int resource
,
803 struct rlimit
*new_rlim
)
805 return security_ops
->task_setrlimit(p
, resource
, new_rlim
);
808 int security_task_setscheduler(struct task_struct
*p
)
810 return security_ops
->task_setscheduler(p
);
813 int security_task_getscheduler(struct task_struct
*p
)
815 return security_ops
->task_getscheduler(p
);
818 int security_task_movememory(struct task_struct
*p
)
820 return security_ops
->task_movememory(p
);
823 int security_task_kill(struct task_struct
*p
, struct siginfo
*info
,
826 return security_ops
->task_kill(p
, info
, sig
, secid
);
829 int security_task_wait(struct task_struct
*p
)
831 return security_ops
->task_wait(p
);
834 int security_task_prctl(int option
, unsigned long arg2
, unsigned long arg3
,
835 unsigned long arg4
, unsigned long arg5
)
837 return security_ops
->task_prctl(option
, arg2
, arg3
, arg4
, arg5
);
840 void security_task_to_inode(struct task_struct
*p
, struct inode
*inode
)
842 security_ops
->task_to_inode(p
, inode
);
845 int security_ipc_permission(struct kern_ipc_perm
*ipcp
, short flag
)
847 return security_ops
->ipc_permission(ipcp
, flag
);
850 void security_ipc_getsecid(struct kern_ipc_perm
*ipcp
, u32
*secid
)
852 security_ops
->ipc_getsecid(ipcp
, secid
);
855 int security_msg_msg_alloc(struct msg_msg
*msg
)
857 return security_ops
->msg_msg_alloc_security(msg
);
860 void security_msg_msg_free(struct msg_msg
*msg
)
862 security_ops
->msg_msg_free_security(msg
);
865 int security_msg_queue_alloc(struct msg_queue
*msq
)
867 return security_ops
->msg_queue_alloc_security(msq
);
870 void security_msg_queue_free(struct msg_queue
*msq
)
872 security_ops
->msg_queue_free_security(msq
);
875 int security_msg_queue_associate(struct msg_queue
*msq
, int msqflg
)
877 return security_ops
->msg_queue_associate(msq
, msqflg
);
880 int security_msg_queue_msgctl(struct msg_queue
*msq
, int cmd
)
882 return security_ops
->msg_queue_msgctl(msq
, cmd
);
885 int security_msg_queue_msgsnd(struct msg_queue
*msq
,
886 struct msg_msg
*msg
, int msqflg
)
888 return security_ops
->msg_queue_msgsnd(msq
, msg
, msqflg
);
891 int security_msg_queue_msgrcv(struct msg_queue
*msq
, struct msg_msg
*msg
,
892 struct task_struct
*target
, long type
, int mode
)
894 return security_ops
->msg_queue_msgrcv(msq
, msg
, target
, type
, mode
);
897 int security_shm_alloc(struct shmid_kernel
*shp
)
899 return security_ops
->shm_alloc_security(shp
);
902 void security_shm_free(struct shmid_kernel
*shp
)
904 security_ops
->shm_free_security(shp
);
907 int security_shm_associate(struct shmid_kernel
*shp
, int shmflg
)
909 return security_ops
->shm_associate(shp
, shmflg
);
912 int security_shm_shmctl(struct shmid_kernel
*shp
, int cmd
)
914 return security_ops
->shm_shmctl(shp
, cmd
);
917 int security_shm_shmat(struct shmid_kernel
*shp
, char __user
*shmaddr
, int shmflg
)
919 return security_ops
->shm_shmat(shp
, shmaddr
, shmflg
);
922 int security_sem_alloc(struct sem_array
*sma
)
924 return security_ops
->sem_alloc_security(sma
);
927 void security_sem_free(struct sem_array
*sma
)
929 security_ops
->sem_free_security(sma
);
932 int security_sem_associate(struct sem_array
*sma
, int semflg
)
934 return security_ops
->sem_associate(sma
, semflg
);
937 int security_sem_semctl(struct sem_array
*sma
, int cmd
)
939 return security_ops
->sem_semctl(sma
, cmd
);
942 int security_sem_semop(struct sem_array
*sma
, struct sembuf
*sops
,
943 unsigned nsops
, int alter
)
945 return security_ops
->sem_semop(sma
, sops
, nsops
, alter
);
948 void security_d_instantiate(struct dentry
*dentry
, struct inode
*inode
)
950 if (unlikely(inode
&& IS_PRIVATE(inode
)))
952 security_ops
->d_instantiate(dentry
, inode
);
954 EXPORT_SYMBOL(security_d_instantiate
);
956 int security_getprocattr(struct task_struct
*p
, char *name
, char **value
)
958 return security_ops
->getprocattr(p
, name
, value
);
961 int security_setprocattr(struct task_struct
*p
, char *name
, void *value
, size_t size
)
963 return security_ops
->setprocattr(p
, name
, value
, size
);
966 int security_netlink_send(struct sock
*sk
, struct sk_buff
*skb
)
968 return security_ops
->netlink_send(sk
, skb
);
971 int security_secid_to_secctx(u32 secid
, char **secdata
, u32
*seclen
)
973 return security_ops
->secid_to_secctx(secid
, secdata
, seclen
);
975 EXPORT_SYMBOL(security_secid_to_secctx
);
977 int security_secctx_to_secid(const char *secdata
, u32 seclen
, u32
*secid
)
979 return security_ops
->secctx_to_secid(secdata
, seclen
, secid
);
981 EXPORT_SYMBOL(security_secctx_to_secid
);
983 void security_release_secctx(char *secdata
, u32 seclen
)
985 security_ops
->release_secctx(secdata
, seclen
);
987 EXPORT_SYMBOL(security_release_secctx
);
989 int security_inode_notifysecctx(struct inode
*inode
, void *ctx
, u32 ctxlen
)
991 return security_ops
->inode_notifysecctx(inode
, ctx
, ctxlen
);
993 EXPORT_SYMBOL(security_inode_notifysecctx
);
995 int security_inode_setsecctx(struct dentry
*dentry
, void *ctx
, u32 ctxlen
)
997 return security_ops
->inode_setsecctx(dentry
, ctx
, ctxlen
);
999 EXPORT_SYMBOL(security_inode_setsecctx
);
1001 int security_inode_getsecctx(struct inode
*inode
, void **ctx
, u32
*ctxlen
)
1003 return security_ops
->inode_getsecctx(inode
, ctx
, ctxlen
);
1005 EXPORT_SYMBOL(security_inode_getsecctx
);
1007 #ifdef CONFIG_SECURITY_NETWORK
1009 int security_unix_stream_connect(struct sock
*sock
, struct sock
*other
, struct sock
*newsk
)
1011 return security_ops
->unix_stream_connect(sock
, other
, newsk
);
1013 EXPORT_SYMBOL(security_unix_stream_connect
);
1015 int security_unix_may_send(struct socket
*sock
, struct socket
*other
)
1017 return security_ops
->unix_may_send(sock
, other
);
1019 EXPORT_SYMBOL(security_unix_may_send
);
1021 int security_socket_create(int family
, int type
, int protocol
, int kern
)
1023 return security_ops
->socket_create(family
, type
, protocol
, kern
);
1026 int security_socket_post_create(struct socket
*sock
, int family
,
1027 int type
, int protocol
, int kern
)
1029 return security_ops
->socket_post_create(sock
, family
, type
,
1033 int security_socket_bind(struct socket
*sock
, struct sockaddr
*address
, int addrlen
)
1035 return security_ops
->socket_bind(sock
, address
, addrlen
);
1038 int security_socket_connect(struct socket
*sock
, struct sockaddr
*address
, int addrlen
)
1040 return security_ops
->socket_connect(sock
, address
, addrlen
);
1043 int security_socket_listen(struct socket
*sock
, int backlog
)
1045 return security_ops
->socket_listen(sock
, backlog
);
1048 int security_socket_accept(struct socket
*sock
, struct socket
*newsock
)
1050 return security_ops
->socket_accept(sock
, newsock
);
1053 int security_socket_sendmsg(struct socket
*sock
, struct msghdr
*msg
, int size
)
1055 return security_ops
->socket_sendmsg(sock
, msg
, size
);
1058 int security_socket_recvmsg(struct socket
*sock
, struct msghdr
*msg
,
1059 int size
, int flags
)
1061 return security_ops
->socket_recvmsg(sock
, msg
, size
, flags
);
1064 int security_socket_getsockname(struct socket
*sock
)
1066 return security_ops
->socket_getsockname(sock
);
1069 int security_socket_getpeername(struct socket
*sock
)
1071 return security_ops
->socket_getpeername(sock
);
1074 int security_socket_getsockopt(struct socket
*sock
, int level
, int optname
)
1076 return security_ops
->socket_getsockopt(sock
, level
, optname
);
1079 int security_socket_setsockopt(struct socket
*sock
, int level
, int optname
)
1081 return security_ops
->socket_setsockopt(sock
, level
, optname
);
1084 int security_socket_shutdown(struct socket
*sock
, int how
)
1086 return security_ops
->socket_shutdown(sock
, how
);
1089 int security_sock_rcv_skb(struct sock
*sk
, struct sk_buff
*skb
)
1091 return security_ops
->socket_sock_rcv_skb(sk
, skb
);
1093 EXPORT_SYMBOL(security_sock_rcv_skb
);
1095 int security_socket_getpeersec_stream(struct socket
*sock
, char __user
*optval
,
1096 int __user
*optlen
, unsigned len
)
1098 return security_ops
->socket_getpeersec_stream(sock
, optval
, optlen
, len
);
1101 int security_socket_getpeersec_dgram(struct socket
*sock
, struct sk_buff
*skb
, u32
*secid
)
1103 return security_ops
->socket_getpeersec_dgram(sock
, skb
, secid
);
1105 EXPORT_SYMBOL(security_socket_getpeersec_dgram
);
1107 int security_sk_alloc(struct sock
*sk
, int family
, gfp_t priority
)
1109 return security_ops
->sk_alloc_security(sk
, family
, priority
);
1112 void security_sk_free(struct sock
*sk
)
1114 security_ops
->sk_free_security(sk
);
1117 void security_sk_clone(const struct sock
*sk
, struct sock
*newsk
)
1119 security_ops
->sk_clone_security(sk
, newsk
);
1121 EXPORT_SYMBOL(security_sk_clone
);
1123 void security_sk_classify_flow(struct sock
*sk
, struct flowi
*fl
)
1125 security_ops
->sk_getsecid(sk
, &fl
->flowi_secid
);
1127 EXPORT_SYMBOL(security_sk_classify_flow
);
1129 void security_req_classify_flow(const struct request_sock
*req
, struct flowi
*fl
)
1131 security_ops
->req_classify_flow(req
, fl
);
1133 EXPORT_SYMBOL(security_req_classify_flow
);
1135 void security_sock_graft(struct sock
*sk
, struct socket
*parent
)
1137 security_ops
->sock_graft(sk
, parent
);
1139 EXPORT_SYMBOL(security_sock_graft
);
1141 int security_inet_conn_request(struct sock
*sk
,
1142 struct sk_buff
*skb
, struct request_sock
*req
)
1144 return security_ops
->inet_conn_request(sk
, skb
, req
);
1146 EXPORT_SYMBOL(security_inet_conn_request
);
1148 void security_inet_csk_clone(struct sock
*newsk
,
1149 const struct request_sock
*req
)
1151 security_ops
->inet_csk_clone(newsk
, req
);
1154 void security_inet_conn_established(struct sock
*sk
,
1155 struct sk_buff
*skb
)
1157 security_ops
->inet_conn_established(sk
, skb
);
1160 int security_secmark_relabel_packet(u32 secid
)
1162 return security_ops
->secmark_relabel_packet(secid
);
1164 EXPORT_SYMBOL(security_secmark_relabel_packet
);
1166 void security_secmark_refcount_inc(void)
1168 security_ops
->secmark_refcount_inc();
1170 EXPORT_SYMBOL(security_secmark_refcount_inc
);
1172 void security_secmark_refcount_dec(void)
1174 security_ops
->secmark_refcount_dec();
1176 EXPORT_SYMBOL(security_secmark_refcount_dec
);
1178 int security_tun_dev_create(void)
1180 return security_ops
->tun_dev_create();
1182 EXPORT_SYMBOL(security_tun_dev_create
);
1184 void security_tun_dev_post_create(struct sock
*sk
)
1186 return security_ops
->tun_dev_post_create(sk
);
1188 EXPORT_SYMBOL(security_tun_dev_post_create
);
1190 int security_tun_dev_attach(struct sock
*sk
)
1192 return security_ops
->tun_dev_attach(sk
);
1194 EXPORT_SYMBOL(security_tun_dev_attach
);
1196 #endif /* CONFIG_SECURITY_NETWORK */
1198 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1200 int security_xfrm_policy_alloc(struct xfrm_sec_ctx
**ctxp
, struct xfrm_user_sec_ctx
*sec_ctx
)
1202 return security_ops
->xfrm_policy_alloc_security(ctxp
, sec_ctx
);
1204 EXPORT_SYMBOL(security_xfrm_policy_alloc
);
1206 int security_xfrm_policy_clone(struct xfrm_sec_ctx
*old_ctx
,
1207 struct xfrm_sec_ctx
**new_ctxp
)
1209 return security_ops
->xfrm_policy_clone_security(old_ctx
, new_ctxp
);
1212 void security_xfrm_policy_free(struct xfrm_sec_ctx
*ctx
)
1214 security_ops
->xfrm_policy_free_security(ctx
);
1216 EXPORT_SYMBOL(security_xfrm_policy_free
);
1218 int security_xfrm_policy_delete(struct xfrm_sec_ctx
*ctx
)
1220 return security_ops
->xfrm_policy_delete_security(ctx
);
1223 int security_xfrm_state_alloc(struct xfrm_state
*x
, struct xfrm_user_sec_ctx
*sec_ctx
)
1225 return security_ops
->xfrm_state_alloc_security(x
, sec_ctx
, 0);
1227 EXPORT_SYMBOL(security_xfrm_state_alloc
);
1229 int security_xfrm_state_alloc_acquire(struct xfrm_state
*x
,
1230 struct xfrm_sec_ctx
*polsec
, u32 secid
)
1235 * We want the context to be taken from secid which is usually
1238 return security_ops
->xfrm_state_alloc_security(x
, NULL
, secid
);
1241 int security_xfrm_state_delete(struct xfrm_state
*x
)
1243 return security_ops
->xfrm_state_delete_security(x
);
1245 EXPORT_SYMBOL(security_xfrm_state_delete
);
1247 void security_xfrm_state_free(struct xfrm_state
*x
)
1249 security_ops
->xfrm_state_free_security(x
);
1252 int security_xfrm_policy_lookup(struct xfrm_sec_ctx
*ctx
, u32 fl_secid
, u8 dir
)
1254 return security_ops
->xfrm_policy_lookup(ctx
, fl_secid
, dir
);
1257 int security_xfrm_state_pol_flow_match(struct xfrm_state
*x
,
1258 struct xfrm_policy
*xp
,
1259 const struct flowi
*fl
)
1261 return security_ops
->xfrm_state_pol_flow_match(x
, xp
, fl
);
1264 int security_xfrm_decode_session(struct sk_buff
*skb
, u32
*secid
)
1266 return security_ops
->xfrm_decode_session(skb
, secid
, 1);
1269 void security_skb_classify_flow(struct sk_buff
*skb
, struct flowi
*fl
)
1271 int rc
= security_ops
->xfrm_decode_session(skb
, &fl
->flowi_secid
, 0);
1275 EXPORT_SYMBOL(security_skb_classify_flow
);
1277 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1281 int security_key_alloc(struct key
*key
, const struct cred
*cred
,
1282 unsigned long flags
)
1284 return security_ops
->key_alloc(key
, cred
, flags
);
1287 void security_key_free(struct key
*key
)
1289 security_ops
->key_free(key
);
1292 int security_key_permission(key_ref_t key_ref
,
1293 const struct cred
*cred
, key_perm_t perm
)
1295 return security_ops
->key_permission(key_ref
, cred
, perm
);
1298 int security_key_getsecurity(struct key
*key
, char **_buffer
)
1300 return security_ops
->key_getsecurity(key
, _buffer
);
1303 #endif /* CONFIG_KEYS */
1307 int security_audit_rule_init(u32 field
, u32 op
, char *rulestr
, void **lsmrule
)
1309 return security_ops
->audit_rule_init(field
, op
, rulestr
, lsmrule
);
1312 int security_audit_rule_known(struct audit_krule
*krule
)
1314 return security_ops
->audit_rule_known(krule
);
1317 void security_audit_rule_free(void *lsmrule
)
1319 security_ops
->audit_rule_free(lsmrule
);
1322 int security_audit_rule_match(u32 secid
, u32 field
, u32 op
, void *lsmrule
,
1323 struct audit_context
*actx
)
1325 return security_ops
->audit_rule_match(secid
, field
, op
, lsmrule
, actx
);
1328 #endif /* CONFIG_AUDIT */