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(const struct cred
*cred
, struct user_namespace
*ns
,
161 return security_ops
->capable(cred
, ns
, cap
, SECURITY_CAP_AUDIT
);
164 int security_capable_noaudit(const struct cred
*cred
, struct user_namespace
*ns
,
167 return security_ops
->capable(cred
, ns
, cap
, SECURITY_CAP_NOAUDIT
);
170 int security_quotactl(int cmds
, int type
, int id
, struct super_block
*sb
)
172 return security_ops
->quotactl(cmds
, type
, id
, sb
);
175 int security_quota_on(struct dentry
*dentry
)
177 return security_ops
->quota_on(dentry
);
180 int security_syslog(int type
)
182 return security_ops
->syslog(type
);
185 int security_settime(const struct timespec
*ts
, const struct timezone
*tz
)
187 return security_ops
->settime(ts
, tz
);
190 int security_vm_enough_memory(long pages
)
192 WARN_ON(current
->mm
== NULL
);
193 return security_ops
->vm_enough_memory(current
->mm
, pages
);
196 int security_vm_enough_memory_mm(struct mm_struct
*mm
, long pages
)
199 return security_ops
->vm_enough_memory(mm
, pages
);
202 int security_vm_enough_memory_kern(long pages
)
204 /* If current->mm is a kernel thread then we will pass NULL,
205 for this specific case that is fine */
206 return security_ops
->vm_enough_memory(current
->mm
, pages
);
209 int security_bprm_set_creds(struct linux_binprm
*bprm
)
211 return security_ops
->bprm_set_creds(bprm
);
214 int security_bprm_check(struct linux_binprm
*bprm
)
218 ret
= security_ops
->bprm_check_security(bprm
);
221 return ima_bprm_check(bprm
);
224 void security_bprm_committing_creds(struct linux_binprm
*bprm
)
226 security_ops
->bprm_committing_creds(bprm
);
229 void security_bprm_committed_creds(struct linux_binprm
*bprm
)
231 security_ops
->bprm_committed_creds(bprm
);
234 int security_bprm_secureexec(struct linux_binprm
*bprm
)
236 return security_ops
->bprm_secureexec(bprm
);
239 int security_sb_alloc(struct super_block
*sb
)
241 return security_ops
->sb_alloc_security(sb
);
244 void security_sb_free(struct super_block
*sb
)
246 security_ops
->sb_free_security(sb
);
249 int security_sb_copy_data(char *orig
, char *copy
)
251 return security_ops
->sb_copy_data(orig
, copy
);
253 EXPORT_SYMBOL(security_sb_copy_data
);
255 int security_sb_remount(struct super_block
*sb
, void *data
)
257 return security_ops
->sb_remount(sb
, data
);
260 int security_sb_kern_mount(struct super_block
*sb
, int flags
, void *data
)
262 return security_ops
->sb_kern_mount(sb
, flags
, data
);
265 int security_sb_show_options(struct seq_file
*m
, struct super_block
*sb
)
267 return security_ops
->sb_show_options(m
, sb
);
270 int security_sb_statfs(struct dentry
*dentry
)
272 return security_ops
->sb_statfs(dentry
);
275 int security_sb_mount(char *dev_name
, struct path
*path
,
276 char *type
, unsigned long flags
, void *data
)
278 return security_ops
->sb_mount(dev_name
, path
, type
, flags
, data
);
281 int security_sb_umount(struct vfsmount
*mnt
, int flags
)
283 return security_ops
->sb_umount(mnt
, flags
);
286 int security_sb_pivotroot(struct path
*old_path
, struct path
*new_path
)
288 return security_ops
->sb_pivotroot(old_path
, new_path
);
291 int security_sb_set_mnt_opts(struct super_block
*sb
,
292 struct security_mnt_opts
*opts
)
294 return security_ops
->sb_set_mnt_opts(sb
, opts
);
296 EXPORT_SYMBOL(security_sb_set_mnt_opts
);
298 void security_sb_clone_mnt_opts(const struct super_block
*oldsb
,
299 struct super_block
*newsb
)
301 security_ops
->sb_clone_mnt_opts(oldsb
, newsb
);
303 EXPORT_SYMBOL(security_sb_clone_mnt_opts
);
305 int security_sb_parse_opts_str(char *options
, struct security_mnt_opts
*opts
)
307 return security_ops
->sb_parse_opts_str(options
, opts
);
309 EXPORT_SYMBOL(security_sb_parse_opts_str
);
311 int security_inode_alloc(struct inode
*inode
)
313 inode
->i_security
= NULL
;
314 return security_ops
->inode_alloc_security(inode
);
317 void security_inode_free(struct inode
*inode
)
319 integrity_inode_free(inode
);
320 security_ops
->inode_free_security(inode
);
323 int security_inode_init_security(struct inode
*inode
, struct inode
*dir
,
324 const struct qstr
*qstr
,
325 const initxattrs initxattrs
, void *fs_data
)
327 struct xattr new_xattrs
[MAX_LSM_EVM_XATTR
+ 1];
328 struct xattr
*lsm_xattr
, *evm_xattr
, *xattr
;
331 if (unlikely(IS_PRIVATE(inode
)))
334 memset(new_xattrs
, 0, sizeof new_xattrs
);
336 return security_ops
->inode_init_security(inode
, dir
, qstr
,
338 lsm_xattr
= new_xattrs
;
339 ret
= security_ops
->inode_init_security(inode
, dir
, qstr
,
342 &lsm_xattr
->value_len
);
346 evm_xattr
= lsm_xattr
+ 1;
347 ret
= evm_inode_init_security(inode
, lsm_xattr
, evm_xattr
);
350 ret
= initxattrs(inode
, new_xattrs
, fs_data
);
352 for (xattr
= new_xattrs
; xattr
->name
!= NULL
; xattr
++) {
356 return (ret
== -EOPNOTSUPP
) ? 0 : ret
;
358 EXPORT_SYMBOL(security_inode_init_security
);
360 int security_old_inode_init_security(struct inode
*inode
, struct inode
*dir
,
361 const struct qstr
*qstr
, char **name
,
362 void **value
, size_t *len
)
364 if (unlikely(IS_PRIVATE(inode
)))
366 return security_ops
->inode_init_security(inode
, dir
, qstr
, name
, value
,
369 EXPORT_SYMBOL(security_old_inode_init_security
);
371 #ifdef CONFIG_SECURITY_PATH
372 int security_path_mknod(struct path
*dir
, struct dentry
*dentry
, umode_t mode
,
375 if (unlikely(IS_PRIVATE(dir
->dentry
->d_inode
)))
377 return security_ops
->path_mknod(dir
, dentry
, mode
, dev
);
379 EXPORT_SYMBOL(security_path_mknod
);
381 int security_path_mkdir(struct path
*dir
, struct dentry
*dentry
, umode_t mode
)
383 if (unlikely(IS_PRIVATE(dir
->dentry
->d_inode
)))
385 return security_ops
->path_mkdir(dir
, dentry
, mode
);
387 EXPORT_SYMBOL(security_path_mkdir
);
389 int security_path_rmdir(struct path
*dir
, struct dentry
*dentry
)
391 if (unlikely(IS_PRIVATE(dir
->dentry
->d_inode
)))
393 return security_ops
->path_rmdir(dir
, dentry
);
396 int security_path_unlink(struct path
*dir
, struct dentry
*dentry
)
398 if (unlikely(IS_PRIVATE(dir
->dentry
->d_inode
)))
400 return security_ops
->path_unlink(dir
, dentry
);
402 EXPORT_SYMBOL(security_path_unlink
);
404 int security_path_symlink(struct path
*dir
, struct dentry
*dentry
,
405 const char *old_name
)
407 if (unlikely(IS_PRIVATE(dir
->dentry
->d_inode
)))
409 return security_ops
->path_symlink(dir
, dentry
, old_name
);
412 int security_path_link(struct dentry
*old_dentry
, struct path
*new_dir
,
413 struct dentry
*new_dentry
)
415 if (unlikely(IS_PRIVATE(old_dentry
->d_inode
)))
417 return security_ops
->path_link(old_dentry
, new_dir
, new_dentry
);
420 int security_path_rename(struct path
*old_dir
, struct dentry
*old_dentry
,
421 struct path
*new_dir
, struct dentry
*new_dentry
)
423 if (unlikely(IS_PRIVATE(old_dentry
->d_inode
) ||
424 (new_dentry
->d_inode
&& IS_PRIVATE(new_dentry
->d_inode
))))
426 return security_ops
->path_rename(old_dir
, old_dentry
, new_dir
,
429 EXPORT_SYMBOL(security_path_rename
);
431 int security_path_truncate(struct path
*path
)
433 if (unlikely(IS_PRIVATE(path
->dentry
->d_inode
)))
435 return security_ops
->path_truncate(path
);
438 int security_path_chmod(struct path
*path
, umode_t mode
)
440 if (unlikely(IS_PRIVATE(path
->dentry
->d_inode
)))
442 return security_ops
->path_chmod(path
, mode
);
445 int security_path_chown(struct path
*path
, uid_t uid
, gid_t gid
)
447 if (unlikely(IS_PRIVATE(path
->dentry
->d_inode
)))
449 return security_ops
->path_chown(path
, uid
, gid
);
452 int security_path_chroot(struct path
*path
)
454 return security_ops
->path_chroot(path
);
458 int security_inode_create(struct inode
*dir
, struct dentry
*dentry
, umode_t mode
)
460 if (unlikely(IS_PRIVATE(dir
)))
462 return security_ops
->inode_create(dir
, dentry
, mode
);
464 EXPORT_SYMBOL_GPL(security_inode_create
);
466 int security_inode_link(struct dentry
*old_dentry
, struct inode
*dir
,
467 struct dentry
*new_dentry
)
469 if (unlikely(IS_PRIVATE(old_dentry
->d_inode
)))
471 return security_ops
->inode_link(old_dentry
, dir
, new_dentry
);
474 int security_inode_unlink(struct inode
*dir
, struct dentry
*dentry
)
476 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
478 return security_ops
->inode_unlink(dir
, dentry
);
481 int security_inode_symlink(struct inode
*dir
, struct dentry
*dentry
,
482 const char *old_name
)
484 if (unlikely(IS_PRIVATE(dir
)))
486 return security_ops
->inode_symlink(dir
, dentry
, old_name
);
489 int security_inode_mkdir(struct inode
*dir
, struct dentry
*dentry
, umode_t mode
)
491 if (unlikely(IS_PRIVATE(dir
)))
493 return security_ops
->inode_mkdir(dir
, dentry
, mode
);
495 EXPORT_SYMBOL_GPL(security_inode_mkdir
);
497 int security_inode_rmdir(struct inode
*dir
, struct dentry
*dentry
)
499 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
501 return security_ops
->inode_rmdir(dir
, dentry
);
504 int security_inode_mknod(struct inode
*dir
, struct dentry
*dentry
, umode_t mode
, dev_t dev
)
506 if (unlikely(IS_PRIVATE(dir
)))
508 return security_ops
->inode_mknod(dir
, dentry
, mode
, dev
);
511 int security_inode_rename(struct inode
*old_dir
, struct dentry
*old_dentry
,
512 struct inode
*new_dir
, struct dentry
*new_dentry
)
514 if (unlikely(IS_PRIVATE(old_dentry
->d_inode
) ||
515 (new_dentry
->d_inode
&& IS_PRIVATE(new_dentry
->d_inode
))))
517 return security_ops
->inode_rename(old_dir
, old_dentry
,
518 new_dir
, new_dentry
);
521 int security_inode_readlink(struct dentry
*dentry
)
523 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
525 return security_ops
->inode_readlink(dentry
);
528 int security_inode_follow_link(struct dentry
*dentry
, struct nameidata
*nd
)
530 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
532 return security_ops
->inode_follow_link(dentry
, nd
);
535 int security_inode_permission(struct inode
*inode
, int mask
)
537 if (unlikely(IS_PRIVATE(inode
)))
539 return security_ops
->inode_permission(inode
, mask
);
542 int security_inode_setattr(struct dentry
*dentry
, struct iattr
*attr
)
546 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
548 ret
= security_ops
->inode_setattr(dentry
, attr
);
551 return evm_inode_setattr(dentry
, attr
);
553 EXPORT_SYMBOL_GPL(security_inode_setattr
);
555 int security_inode_getattr(struct vfsmount
*mnt
, struct dentry
*dentry
)
557 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
559 return security_ops
->inode_getattr(mnt
, dentry
);
562 int security_inode_setxattr(struct dentry
*dentry
, const char *name
,
563 const void *value
, size_t size
, int flags
)
567 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
569 ret
= security_ops
->inode_setxattr(dentry
, name
, value
, size
, flags
);
572 return evm_inode_setxattr(dentry
, name
, value
, size
);
575 void security_inode_post_setxattr(struct dentry
*dentry
, const char *name
,
576 const void *value
, size_t size
, int flags
)
578 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
580 security_ops
->inode_post_setxattr(dentry
, name
, value
, size
, flags
);
581 evm_inode_post_setxattr(dentry
, name
, value
, size
);
584 int security_inode_getxattr(struct dentry
*dentry
, const char *name
)
586 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
588 return security_ops
->inode_getxattr(dentry
, name
);
591 int security_inode_listxattr(struct dentry
*dentry
)
593 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
595 return security_ops
->inode_listxattr(dentry
);
598 int security_inode_removexattr(struct dentry
*dentry
, const char *name
)
602 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
604 ret
= security_ops
->inode_removexattr(dentry
, name
);
607 return evm_inode_removexattr(dentry
, name
);
610 int security_inode_need_killpriv(struct dentry
*dentry
)
612 return security_ops
->inode_need_killpriv(dentry
);
615 int security_inode_killpriv(struct dentry
*dentry
)
617 return security_ops
->inode_killpriv(dentry
);
620 int security_inode_getsecurity(const struct inode
*inode
, const char *name
, void **buffer
, bool alloc
)
622 if (unlikely(IS_PRIVATE(inode
)))
624 return security_ops
->inode_getsecurity(inode
, name
, buffer
, alloc
);
627 int security_inode_setsecurity(struct inode
*inode
, const char *name
, const void *value
, size_t size
, int flags
)
629 if (unlikely(IS_PRIVATE(inode
)))
631 return security_ops
->inode_setsecurity(inode
, name
, value
, size
, flags
);
634 int security_inode_listsecurity(struct inode
*inode
, char *buffer
, size_t buffer_size
)
636 if (unlikely(IS_PRIVATE(inode
)))
638 return security_ops
->inode_listsecurity(inode
, buffer
, buffer_size
);
641 void security_inode_getsecid(const struct inode
*inode
, u32
*secid
)
643 security_ops
->inode_getsecid(inode
, secid
);
646 int security_file_permission(struct file
*file
, int mask
)
650 ret
= security_ops
->file_permission(file
, mask
);
654 return fsnotify_perm(file
, mask
);
657 int security_file_alloc(struct file
*file
)
659 return security_ops
->file_alloc_security(file
);
662 void security_file_free(struct file
*file
)
664 security_ops
->file_free_security(file
);
667 int security_file_ioctl(struct file
*file
, unsigned int cmd
, unsigned long arg
)
669 return security_ops
->file_ioctl(file
, cmd
, arg
);
672 int security_file_mmap(struct file
*file
, unsigned long reqprot
,
673 unsigned long prot
, unsigned long flags
,
674 unsigned long addr
, unsigned long addr_only
)
678 ret
= security_ops
->file_mmap(file
, reqprot
, prot
, flags
, addr
, addr_only
);
681 return ima_file_mmap(file
, prot
);
684 int security_file_mprotect(struct vm_area_struct
*vma
, unsigned long reqprot
,
687 return security_ops
->file_mprotect(vma
, reqprot
, prot
);
690 int security_file_lock(struct file
*file
, unsigned int cmd
)
692 return security_ops
->file_lock(file
, cmd
);
695 int security_file_fcntl(struct file
*file
, unsigned int cmd
, unsigned long arg
)
697 return security_ops
->file_fcntl(file
, cmd
, arg
);
700 int security_file_set_fowner(struct file
*file
)
702 return security_ops
->file_set_fowner(file
);
705 int security_file_send_sigiotask(struct task_struct
*tsk
,
706 struct fown_struct
*fown
, int sig
)
708 return security_ops
->file_send_sigiotask(tsk
, fown
, sig
);
711 int security_file_receive(struct file
*file
)
713 return security_ops
->file_receive(file
);
716 int security_dentry_open(struct file
*file
, const struct cred
*cred
)
720 ret
= security_ops
->dentry_open(file
, cred
);
724 return fsnotify_perm(file
, MAY_OPEN
);
727 int security_task_create(unsigned long clone_flags
)
729 return security_ops
->task_create(clone_flags
);
732 int security_cred_alloc_blank(struct cred
*cred
, gfp_t gfp
)
734 return security_ops
->cred_alloc_blank(cred
, gfp
);
737 void security_cred_free(struct cred
*cred
)
739 security_ops
->cred_free(cred
);
742 int security_prepare_creds(struct cred
*new, const struct cred
*old
, gfp_t gfp
)
744 return security_ops
->cred_prepare(new, old
, gfp
);
747 void security_transfer_creds(struct cred
*new, const struct cred
*old
)
749 security_ops
->cred_transfer(new, old
);
752 int security_kernel_act_as(struct cred
*new, u32 secid
)
754 return security_ops
->kernel_act_as(new, secid
);
757 int security_kernel_create_files_as(struct cred
*new, struct inode
*inode
)
759 return security_ops
->kernel_create_files_as(new, inode
);
762 int security_kernel_module_request(char *kmod_name
)
764 return security_ops
->kernel_module_request(kmod_name
);
767 int security_task_fix_setuid(struct cred
*new, const struct cred
*old
,
770 return security_ops
->task_fix_setuid(new, old
, flags
);
773 int security_task_setpgid(struct task_struct
*p
, pid_t pgid
)
775 return security_ops
->task_setpgid(p
, pgid
);
778 int security_task_getpgid(struct task_struct
*p
)
780 return security_ops
->task_getpgid(p
);
783 int security_task_getsid(struct task_struct
*p
)
785 return security_ops
->task_getsid(p
);
788 void security_task_getsecid(struct task_struct
*p
, u32
*secid
)
790 security_ops
->task_getsecid(p
, secid
);
792 EXPORT_SYMBOL(security_task_getsecid
);
794 int security_task_setnice(struct task_struct
*p
, int nice
)
796 return security_ops
->task_setnice(p
, nice
);
799 int security_task_setioprio(struct task_struct
*p
, int ioprio
)
801 return security_ops
->task_setioprio(p
, ioprio
);
804 int security_task_getioprio(struct task_struct
*p
)
806 return security_ops
->task_getioprio(p
);
809 int security_task_setrlimit(struct task_struct
*p
, unsigned int resource
,
810 struct rlimit
*new_rlim
)
812 return security_ops
->task_setrlimit(p
, resource
, new_rlim
);
815 int security_task_setscheduler(struct task_struct
*p
)
817 return security_ops
->task_setscheduler(p
);
820 int security_task_getscheduler(struct task_struct
*p
)
822 return security_ops
->task_getscheduler(p
);
825 int security_task_movememory(struct task_struct
*p
)
827 return security_ops
->task_movememory(p
);
830 int security_task_kill(struct task_struct
*p
, struct siginfo
*info
,
833 return security_ops
->task_kill(p
, info
, sig
, secid
);
836 int security_task_wait(struct task_struct
*p
)
838 return security_ops
->task_wait(p
);
841 int security_task_prctl(int option
, unsigned long arg2
, unsigned long arg3
,
842 unsigned long arg4
, unsigned long arg5
)
844 return security_ops
->task_prctl(option
, arg2
, arg3
, arg4
, arg5
);
847 void security_task_to_inode(struct task_struct
*p
, struct inode
*inode
)
849 security_ops
->task_to_inode(p
, inode
);
852 int security_ipc_permission(struct kern_ipc_perm
*ipcp
, short flag
)
854 return security_ops
->ipc_permission(ipcp
, flag
);
857 void security_ipc_getsecid(struct kern_ipc_perm
*ipcp
, u32
*secid
)
859 security_ops
->ipc_getsecid(ipcp
, secid
);
862 int security_msg_msg_alloc(struct msg_msg
*msg
)
864 return security_ops
->msg_msg_alloc_security(msg
);
867 void security_msg_msg_free(struct msg_msg
*msg
)
869 security_ops
->msg_msg_free_security(msg
);
872 int security_msg_queue_alloc(struct msg_queue
*msq
)
874 return security_ops
->msg_queue_alloc_security(msq
);
877 void security_msg_queue_free(struct msg_queue
*msq
)
879 security_ops
->msg_queue_free_security(msq
);
882 int security_msg_queue_associate(struct msg_queue
*msq
, int msqflg
)
884 return security_ops
->msg_queue_associate(msq
, msqflg
);
887 int security_msg_queue_msgctl(struct msg_queue
*msq
, int cmd
)
889 return security_ops
->msg_queue_msgctl(msq
, cmd
);
892 int security_msg_queue_msgsnd(struct msg_queue
*msq
,
893 struct msg_msg
*msg
, int msqflg
)
895 return security_ops
->msg_queue_msgsnd(msq
, msg
, msqflg
);
898 int security_msg_queue_msgrcv(struct msg_queue
*msq
, struct msg_msg
*msg
,
899 struct task_struct
*target
, long type
, int mode
)
901 return security_ops
->msg_queue_msgrcv(msq
, msg
, target
, type
, mode
);
904 int security_shm_alloc(struct shmid_kernel
*shp
)
906 return security_ops
->shm_alloc_security(shp
);
909 void security_shm_free(struct shmid_kernel
*shp
)
911 security_ops
->shm_free_security(shp
);
914 int security_shm_associate(struct shmid_kernel
*shp
, int shmflg
)
916 return security_ops
->shm_associate(shp
, shmflg
);
919 int security_shm_shmctl(struct shmid_kernel
*shp
, int cmd
)
921 return security_ops
->shm_shmctl(shp
, cmd
);
924 int security_shm_shmat(struct shmid_kernel
*shp
, char __user
*shmaddr
, int shmflg
)
926 return security_ops
->shm_shmat(shp
, shmaddr
, shmflg
);
929 int security_sem_alloc(struct sem_array
*sma
)
931 return security_ops
->sem_alloc_security(sma
);
934 void security_sem_free(struct sem_array
*sma
)
936 security_ops
->sem_free_security(sma
);
939 int security_sem_associate(struct sem_array
*sma
, int semflg
)
941 return security_ops
->sem_associate(sma
, semflg
);
944 int security_sem_semctl(struct sem_array
*sma
, int cmd
)
946 return security_ops
->sem_semctl(sma
, cmd
);
949 int security_sem_semop(struct sem_array
*sma
, struct sembuf
*sops
,
950 unsigned nsops
, int alter
)
952 return security_ops
->sem_semop(sma
, sops
, nsops
, alter
);
955 void security_d_instantiate(struct dentry
*dentry
, struct inode
*inode
)
957 if (unlikely(inode
&& IS_PRIVATE(inode
)))
959 security_ops
->d_instantiate(dentry
, inode
);
961 EXPORT_SYMBOL(security_d_instantiate
);
963 int security_getprocattr(struct task_struct
*p
, char *name
, char **value
)
965 return security_ops
->getprocattr(p
, name
, value
);
968 int security_setprocattr(struct task_struct
*p
, char *name
, void *value
, size_t size
)
970 return security_ops
->setprocattr(p
, name
, value
, size
);
973 int security_netlink_send(struct sock
*sk
, struct sk_buff
*skb
)
975 return security_ops
->netlink_send(sk
, skb
);
978 int security_secid_to_secctx(u32 secid
, char **secdata
, u32
*seclen
)
980 return security_ops
->secid_to_secctx(secid
, secdata
, seclen
);
982 EXPORT_SYMBOL(security_secid_to_secctx
);
984 int security_secctx_to_secid(const char *secdata
, u32 seclen
, u32
*secid
)
986 return security_ops
->secctx_to_secid(secdata
, seclen
, secid
);
988 EXPORT_SYMBOL(security_secctx_to_secid
);
990 void security_release_secctx(char *secdata
, u32 seclen
)
992 security_ops
->release_secctx(secdata
, seclen
);
994 EXPORT_SYMBOL(security_release_secctx
);
996 int security_inode_notifysecctx(struct inode
*inode
, void *ctx
, u32 ctxlen
)
998 return security_ops
->inode_notifysecctx(inode
, ctx
, ctxlen
);
1000 EXPORT_SYMBOL(security_inode_notifysecctx
);
1002 int security_inode_setsecctx(struct dentry
*dentry
, void *ctx
, u32 ctxlen
)
1004 return security_ops
->inode_setsecctx(dentry
, ctx
, ctxlen
);
1006 EXPORT_SYMBOL(security_inode_setsecctx
);
1008 int security_inode_getsecctx(struct inode
*inode
, void **ctx
, u32
*ctxlen
)
1010 return security_ops
->inode_getsecctx(inode
, ctx
, ctxlen
);
1012 EXPORT_SYMBOL(security_inode_getsecctx
);
1014 #ifdef CONFIG_SECURITY_NETWORK
1016 int security_unix_stream_connect(struct sock
*sock
, struct sock
*other
, struct sock
*newsk
)
1018 return security_ops
->unix_stream_connect(sock
, other
, newsk
);
1020 EXPORT_SYMBOL(security_unix_stream_connect
);
1022 int security_unix_may_send(struct socket
*sock
, struct socket
*other
)
1024 return security_ops
->unix_may_send(sock
, other
);
1026 EXPORT_SYMBOL(security_unix_may_send
);
1028 int security_socket_create(int family
, int type
, int protocol
, int kern
)
1030 return security_ops
->socket_create(family
, type
, protocol
, kern
);
1033 int security_socket_post_create(struct socket
*sock
, int family
,
1034 int type
, int protocol
, int kern
)
1036 return security_ops
->socket_post_create(sock
, family
, type
,
1040 int security_socket_bind(struct socket
*sock
, struct sockaddr
*address
, int addrlen
)
1042 return security_ops
->socket_bind(sock
, address
, addrlen
);
1045 int security_socket_connect(struct socket
*sock
, struct sockaddr
*address
, int addrlen
)
1047 return security_ops
->socket_connect(sock
, address
, addrlen
);
1050 int security_socket_listen(struct socket
*sock
, int backlog
)
1052 return security_ops
->socket_listen(sock
, backlog
);
1055 int security_socket_accept(struct socket
*sock
, struct socket
*newsock
)
1057 return security_ops
->socket_accept(sock
, newsock
);
1060 int security_socket_sendmsg(struct socket
*sock
, struct msghdr
*msg
, int size
)
1062 return security_ops
->socket_sendmsg(sock
, msg
, size
);
1065 int security_socket_recvmsg(struct socket
*sock
, struct msghdr
*msg
,
1066 int size
, int flags
)
1068 return security_ops
->socket_recvmsg(sock
, msg
, size
, flags
);
1071 int security_socket_getsockname(struct socket
*sock
)
1073 return security_ops
->socket_getsockname(sock
);
1076 int security_socket_getpeername(struct socket
*sock
)
1078 return security_ops
->socket_getpeername(sock
);
1081 int security_socket_getsockopt(struct socket
*sock
, int level
, int optname
)
1083 return security_ops
->socket_getsockopt(sock
, level
, optname
);
1086 int security_socket_setsockopt(struct socket
*sock
, int level
, int optname
)
1088 return security_ops
->socket_setsockopt(sock
, level
, optname
);
1091 int security_socket_shutdown(struct socket
*sock
, int how
)
1093 return security_ops
->socket_shutdown(sock
, how
);
1096 int security_sock_rcv_skb(struct sock
*sk
, struct sk_buff
*skb
)
1098 return security_ops
->socket_sock_rcv_skb(sk
, skb
);
1100 EXPORT_SYMBOL(security_sock_rcv_skb
);
1102 int security_socket_getpeersec_stream(struct socket
*sock
, char __user
*optval
,
1103 int __user
*optlen
, unsigned len
)
1105 return security_ops
->socket_getpeersec_stream(sock
, optval
, optlen
, len
);
1108 int security_socket_getpeersec_dgram(struct socket
*sock
, struct sk_buff
*skb
, u32
*secid
)
1110 return security_ops
->socket_getpeersec_dgram(sock
, skb
, secid
);
1112 EXPORT_SYMBOL(security_socket_getpeersec_dgram
);
1114 int security_sk_alloc(struct sock
*sk
, int family
, gfp_t priority
)
1116 return security_ops
->sk_alloc_security(sk
, family
, priority
);
1119 void security_sk_free(struct sock
*sk
)
1121 security_ops
->sk_free_security(sk
);
1124 void security_sk_clone(const struct sock
*sk
, struct sock
*newsk
)
1126 security_ops
->sk_clone_security(sk
, newsk
);
1128 EXPORT_SYMBOL(security_sk_clone
);
1130 void security_sk_classify_flow(struct sock
*sk
, struct flowi
*fl
)
1132 security_ops
->sk_getsecid(sk
, &fl
->flowi_secid
);
1134 EXPORT_SYMBOL(security_sk_classify_flow
);
1136 void security_req_classify_flow(const struct request_sock
*req
, struct flowi
*fl
)
1138 security_ops
->req_classify_flow(req
, fl
);
1140 EXPORT_SYMBOL(security_req_classify_flow
);
1142 void security_sock_graft(struct sock
*sk
, struct socket
*parent
)
1144 security_ops
->sock_graft(sk
, parent
);
1146 EXPORT_SYMBOL(security_sock_graft
);
1148 int security_inet_conn_request(struct sock
*sk
,
1149 struct sk_buff
*skb
, struct request_sock
*req
)
1151 return security_ops
->inet_conn_request(sk
, skb
, req
);
1153 EXPORT_SYMBOL(security_inet_conn_request
);
1155 void security_inet_csk_clone(struct sock
*newsk
,
1156 const struct request_sock
*req
)
1158 security_ops
->inet_csk_clone(newsk
, req
);
1161 void security_inet_conn_established(struct sock
*sk
,
1162 struct sk_buff
*skb
)
1164 security_ops
->inet_conn_established(sk
, skb
);
1167 int security_secmark_relabel_packet(u32 secid
)
1169 return security_ops
->secmark_relabel_packet(secid
);
1171 EXPORT_SYMBOL(security_secmark_relabel_packet
);
1173 void security_secmark_refcount_inc(void)
1175 security_ops
->secmark_refcount_inc();
1177 EXPORT_SYMBOL(security_secmark_refcount_inc
);
1179 void security_secmark_refcount_dec(void)
1181 security_ops
->secmark_refcount_dec();
1183 EXPORT_SYMBOL(security_secmark_refcount_dec
);
1185 int security_tun_dev_create(void)
1187 return security_ops
->tun_dev_create();
1189 EXPORT_SYMBOL(security_tun_dev_create
);
1191 void security_tun_dev_post_create(struct sock
*sk
)
1193 return security_ops
->tun_dev_post_create(sk
);
1195 EXPORT_SYMBOL(security_tun_dev_post_create
);
1197 int security_tun_dev_attach(struct sock
*sk
)
1199 return security_ops
->tun_dev_attach(sk
);
1201 EXPORT_SYMBOL(security_tun_dev_attach
);
1203 #endif /* CONFIG_SECURITY_NETWORK */
1205 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1207 int security_xfrm_policy_alloc(struct xfrm_sec_ctx
**ctxp
, struct xfrm_user_sec_ctx
*sec_ctx
)
1209 return security_ops
->xfrm_policy_alloc_security(ctxp
, sec_ctx
);
1211 EXPORT_SYMBOL(security_xfrm_policy_alloc
);
1213 int security_xfrm_policy_clone(struct xfrm_sec_ctx
*old_ctx
,
1214 struct xfrm_sec_ctx
**new_ctxp
)
1216 return security_ops
->xfrm_policy_clone_security(old_ctx
, new_ctxp
);
1219 void security_xfrm_policy_free(struct xfrm_sec_ctx
*ctx
)
1221 security_ops
->xfrm_policy_free_security(ctx
);
1223 EXPORT_SYMBOL(security_xfrm_policy_free
);
1225 int security_xfrm_policy_delete(struct xfrm_sec_ctx
*ctx
)
1227 return security_ops
->xfrm_policy_delete_security(ctx
);
1230 int security_xfrm_state_alloc(struct xfrm_state
*x
, struct xfrm_user_sec_ctx
*sec_ctx
)
1232 return security_ops
->xfrm_state_alloc_security(x
, sec_ctx
, 0);
1234 EXPORT_SYMBOL(security_xfrm_state_alloc
);
1236 int security_xfrm_state_alloc_acquire(struct xfrm_state
*x
,
1237 struct xfrm_sec_ctx
*polsec
, u32 secid
)
1242 * We want the context to be taken from secid which is usually
1245 return security_ops
->xfrm_state_alloc_security(x
, NULL
, secid
);
1248 int security_xfrm_state_delete(struct xfrm_state
*x
)
1250 return security_ops
->xfrm_state_delete_security(x
);
1252 EXPORT_SYMBOL(security_xfrm_state_delete
);
1254 void security_xfrm_state_free(struct xfrm_state
*x
)
1256 security_ops
->xfrm_state_free_security(x
);
1259 int security_xfrm_policy_lookup(struct xfrm_sec_ctx
*ctx
, u32 fl_secid
, u8 dir
)
1261 return security_ops
->xfrm_policy_lookup(ctx
, fl_secid
, dir
);
1264 int security_xfrm_state_pol_flow_match(struct xfrm_state
*x
,
1265 struct xfrm_policy
*xp
,
1266 const struct flowi
*fl
)
1268 return security_ops
->xfrm_state_pol_flow_match(x
, xp
, fl
);
1271 int security_xfrm_decode_session(struct sk_buff
*skb
, u32
*secid
)
1273 return security_ops
->xfrm_decode_session(skb
, secid
, 1);
1276 void security_skb_classify_flow(struct sk_buff
*skb
, struct flowi
*fl
)
1278 int rc
= security_ops
->xfrm_decode_session(skb
, &fl
->flowi_secid
, 0);
1282 EXPORT_SYMBOL(security_skb_classify_flow
);
1284 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1288 int security_key_alloc(struct key
*key
, const struct cred
*cred
,
1289 unsigned long flags
)
1291 return security_ops
->key_alloc(key
, cred
, flags
);
1294 void security_key_free(struct key
*key
)
1296 security_ops
->key_free(key
);
1299 int security_key_permission(key_ref_t key_ref
,
1300 const struct cred
*cred
, key_perm_t perm
)
1302 return security_ops
->key_permission(key_ref
, cred
, perm
);
1305 int security_key_getsecurity(struct key
*key
, char **_buffer
)
1307 return security_ops
->key_getsecurity(key
, _buffer
);
1310 #endif /* CONFIG_KEYS */
1314 int security_audit_rule_init(u32 field
, u32 op
, char *rulestr
, void **lsmrule
)
1316 return security_ops
->audit_rule_init(field
, op
, rulestr
, lsmrule
);
1319 int security_audit_rule_known(struct audit_krule
*krule
)
1321 return security_ops
->audit_rule_known(krule
);
1324 void security_audit_rule_free(void *lsmrule
)
1326 security_ops
->audit_rule_free(lsmrule
);
1329 int security_audit_rule_match(u32 secid
, u32 field
, u32 op
, void *lsmrule
,
1330 struct audit_context
*actx
)
1332 return security_ops
->audit_rule_match(secid
, field
, op
, lsmrule
, actx
);
1335 #endif /* CONFIG_AUDIT */