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>
23 #include <linux/mman.h>
24 #include <linux/mount.h>
25 #include <linux/personality.h>
28 #define MAX_LSM_EVM_XATTR 2
30 /* Boot-time LSM user choice */
31 static __initdata
char chosen_lsm
[SECURITY_NAME_MAX
+ 1] =
32 CONFIG_DEFAULT_SECURITY
;
34 static struct security_operations
*security_ops
;
35 static struct security_operations default_security_ops
= {
39 static inline int __init
verify(struct security_operations
*ops
)
41 /* verify the security_operations structure exists */
44 security_fixup_ops(ops
);
48 static void __init
do_security_initcalls(void)
51 call
= __security_initcall_start
;
52 while (call
< __security_initcall_end
) {
59 * security_init - initializes the security framework
61 * This should be called early in the kernel initialization sequence.
63 int __init
security_init(void)
65 printk(KERN_INFO
"Security Framework initialized\n");
67 security_fixup_ops(&default_security_ops
);
68 security_ops
= &default_security_ops
;
69 do_security_initcalls();
74 void reset_security_ops(void)
76 security_ops
= &default_security_ops
;
79 /* Save user chosen LSM */
80 static int __init
choose_lsm(char *str
)
82 strncpy(chosen_lsm
, str
, SECURITY_NAME_MAX
);
85 __setup("security=", choose_lsm
);
88 * security_module_enable - Load given security module on boot ?
89 * @ops: a pointer to the struct security_operations that is to be checked.
91 * Each LSM must pass this method before registering its own operations
92 * to avoid security registration races. This method may also be used
93 * to check if your LSM is currently loaded during kernel initialization.
96 * -The passed LSM is the one chosen by user at boot time,
97 * -or the passed LSM is configured as the default and the user did not
98 * choose an alternate LSM at boot time.
99 * Otherwise, return false.
101 int __init
security_module_enable(struct security_operations
*ops
)
103 return !strcmp(ops
->name
, chosen_lsm
);
107 * register_security - registers a security framework with the kernel
108 * @ops: a pointer to the struct security_options that is to be registered
110 * This function allows a security module to register itself with the
111 * kernel security subsystem. Some rudimentary checking is done on the @ops
112 * value passed to this function. You'll need to check first if your LSM
113 * is allowed to register its @ops by calling security_module_enable(@ops).
115 * If there is already a security module registered with the kernel,
116 * an error will be returned. Otherwise %0 is returned on success.
118 int __init
register_security(struct security_operations
*ops
)
121 printk(KERN_DEBUG
"%s could not verify "
122 "security_operations structure.\n", __func__
);
126 if (security_ops
!= &default_security_ops
)
134 /* Security operations */
136 int security_ptrace_access_check(struct task_struct
*child
, unsigned int mode
)
138 return security_ops
->ptrace_access_check(child
, mode
);
141 int security_ptrace_traceme(struct task_struct
*parent
)
143 return security_ops
->ptrace_traceme(parent
);
146 int security_capget(struct task_struct
*target
,
147 kernel_cap_t
*effective
,
148 kernel_cap_t
*inheritable
,
149 kernel_cap_t
*permitted
)
151 return security_ops
->capget(target
, effective
, inheritable
, permitted
);
154 int security_capset(struct cred
*new, const struct cred
*old
,
155 const kernel_cap_t
*effective
,
156 const kernel_cap_t
*inheritable
,
157 const kernel_cap_t
*permitted
)
159 return security_ops
->capset(new, old
,
160 effective
, inheritable
, permitted
);
163 int security_capable(const struct cred
*cred
, struct user_namespace
*ns
,
166 return security_ops
->capable(cred
, ns
, cap
, SECURITY_CAP_AUDIT
);
169 int security_capable_noaudit(const struct cred
*cred
, struct user_namespace
*ns
,
172 return security_ops
->capable(cred
, ns
, cap
, SECURITY_CAP_NOAUDIT
);
175 int security_quotactl(int cmds
, int type
, int id
, struct super_block
*sb
)
177 return security_ops
->quotactl(cmds
, type
, id
, sb
);
180 int security_quota_on(struct dentry
*dentry
)
182 return security_ops
->quota_on(dentry
);
185 int security_syslog(int type
)
187 return security_ops
->syslog(type
);
190 int security_settime(const struct timespec
*ts
, const struct timezone
*tz
)
192 return security_ops
->settime(ts
, tz
);
195 int security_vm_enough_memory_mm(struct mm_struct
*mm
, long pages
)
197 return security_ops
->vm_enough_memory(mm
, pages
);
200 int security_bprm_set_creds(struct linux_binprm
*bprm
)
202 return security_ops
->bprm_set_creds(bprm
);
205 int security_bprm_check(struct linux_binprm
*bprm
)
209 ret
= security_ops
->bprm_check_security(bprm
);
212 return ima_bprm_check(bprm
);
215 void security_bprm_committing_creds(struct linux_binprm
*bprm
)
217 security_ops
->bprm_committing_creds(bprm
);
220 void security_bprm_committed_creds(struct linux_binprm
*bprm
)
222 security_ops
->bprm_committed_creds(bprm
);
225 int security_bprm_secureexec(struct linux_binprm
*bprm
)
227 return security_ops
->bprm_secureexec(bprm
);
230 int security_sb_alloc(struct super_block
*sb
)
232 return security_ops
->sb_alloc_security(sb
);
235 void security_sb_free(struct super_block
*sb
)
237 security_ops
->sb_free_security(sb
);
240 int security_sb_copy_data(char *orig
, char *copy
)
242 return security_ops
->sb_copy_data(orig
, copy
);
244 EXPORT_SYMBOL(security_sb_copy_data
);
246 int security_sb_remount(struct super_block
*sb
, void *data
)
248 return security_ops
->sb_remount(sb
, data
);
251 int security_sb_kern_mount(struct super_block
*sb
, int flags
, void *data
)
253 return security_ops
->sb_kern_mount(sb
, flags
, data
);
256 int security_sb_show_options(struct seq_file
*m
, struct super_block
*sb
)
258 return security_ops
->sb_show_options(m
, sb
);
261 int security_sb_statfs(struct dentry
*dentry
)
263 return security_ops
->sb_statfs(dentry
);
266 int security_sb_mount(char *dev_name
, struct path
*path
,
267 char *type
, unsigned long flags
, void *data
)
269 return security_ops
->sb_mount(dev_name
, path
, type
, flags
, data
);
272 int security_sb_umount(struct vfsmount
*mnt
, int flags
)
274 return security_ops
->sb_umount(mnt
, flags
);
277 int security_sb_pivotroot(struct path
*old_path
, struct path
*new_path
)
279 return security_ops
->sb_pivotroot(old_path
, new_path
);
282 int security_sb_set_mnt_opts(struct super_block
*sb
,
283 struct security_mnt_opts
*opts
)
285 return security_ops
->sb_set_mnt_opts(sb
, opts
);
287 EXPORT_SYMBOL(security_sb_set_mnt_opts
);
289 void security_sb_clone_mnt_opts(const struct super_block
*oldsb
,
290 struct super_block
*newsb
)
292 security_ops
->sb_clone_mnt_opts(oldsb
, newsb
);
294 EXPORT_SYMBOL(security_sb_clone_mnt_opts
);
296 int security_sb_parse_opts_str(char *options
, struct security_mnt_opts
*opts
)
298 return security_ops
->sb_parse_opts_str(options
, opts
);
300 EXPORT_SYMBOL(security_sb_parse_opts_str
);
302 int security_inode_alloc(struct inode
*inode
)
304 inode
->i_security
= NULL
;
305 return security_ops
->inode_alloc_security(inode
);
308 void security_inode_free(struct inode
*inode
)
310 integrity_inode_free(inode
);
311 security_ops
->inode_free_security(inode
);
314 int security_inode_init_security(struct inode
*inode
, struct inode
*dir
,
315 const struct qstr
*qstr
,
316 const initxattrs initxattrs
, void *fs_data
)
318 struct xattr new_xattrs
[MAX_LSM_EVM_XATTR
+ 1];
319 struct xattr
*lsm_xattr
, *evm_xattr
, *xattr
;
322 if (unlikely(IS_PRIVATE(inode
)))
325 memset(new_xattrs
, 0, sizeof new_xattrs
);
327 return security_ops
->inode_init_security(inode
, dir
, qstr
,
329 lsm_xattr
= new_xattrs
;
330 ret
= security_ops
->inode_init_security(inode
, dir
, qstr
,
333 &lsm_xattr
->value_len
);
337 evm_xattr
= lsm_xattr
+ 1;
338 ret
= evm_inode_init_security(inode
, lsm_xattr
, evm_xattr
);
341 ret
= initxattrs(inode
, new_xattrs
, fs_data
);
343 for (xattr
= new_xattrs
; xattr
->name
!= NULL
; xattr
++) {
347 return (ret
== -EOPNOTSUPP
) ? 0 : ret
;
349 EXPORT_SYMBOL(security_inode_init_security
);
351 int security_old_inode_init_security(struct inode
*inode
, struct inode
*dir
,
352 const struct qstr
*qstr
, char **name
,
353 void **value
, size_t *len
)
355 if (unlikely(IS_PRIVATE(inode
)))
357 return security_ops
->inode_init_security(inode
, dir
, qstr
, name
, value
,
360 EXPORT_SYMBOL(security_old_inode_init_security
);
362 #ifdef CONFIG_SECURITY_PATH
363 int security_path_mknod(struct path
*dir
, struct dentry
*dentry
, umode_t mode
,
366 if (unlikely(IS_PRIVATE(dir
->dentry
->d_inode
)))
368 return security_ops
->path_mknod(dir
, dentry
, mode
, dev
);
370 EXPORT_SYMBOL(security_path_mknod
);
372 int security_path_mkdir(struct path
*dir
, struct dentry
*dentry
, umode_t mode
)
374 if (unlikely(IS_PRIVATE(dir
->dentry
->d_inode
)))
376 return security_ops
->path_mkdir(dir
, dentry
, mode
);
378 EXPORT_SYMBOL(security_path_mkdir
);
380 int security_path_rmdir(struct path
*dir
, struct dentry
*dentry
)
382 if (unlikely(IS_PRIVATE(dir
->dentry
->d_inode
)))
384 return security_ops
->path_rmdir(dir
, dentry
);
387 int security_path_unlink(struct path
*dir
, struct dentry
*dentry
)
389 if (unlikely(IS_PRIVATE(dir
->dentry
->d_inode
)))
391 return security_ops
->path_unlink(dir
, dentry
);
393 EXPORT_SYMBOL(security_path_unlink
);
395 int security_path_symlink(struct path
*dir
, struct dentry
*dentry
,
396 const char *old_name
)
398 if (unlikely(IS_PRIVATE(dir
->dentry
->d_inode
)))
400 return security_ops
->path_symlink(dir
, dentry
, old_name
);
403 int security_path_link(struct dentry
*old_dentry
, struct path
*new_dir
,
404 struct dentry
*new_dentry
)
406 if (unlikely(IS_PRIVATE(old_dentry
->d_inode
)))
408 return security_ops
->path_link(old_dentry
, new_dir
, new_dentry
);
411 int security_path_rename(struct path
*old_dir
, struct dentry
*old_dentry
,
412 struct path
*new_dir
, struct dentry
*new_dentry
)
414 if (unlikely(IS_PRIVATE(old_dentry
->d_inode
) ||
415 (new_dentry
->d_inode
&& IS_PRIVATE(new_dentry
->d_inode
))))
417 return security_ops
->path_rename(old_dir
, old_dentry
, new_dir
,
420 EXPORT_SYMBOL(security_path_rename
);
422 int security_path_truncate(struct path
*path
)
424 if (unlikely(IS_PRIVATE(path
->dentry
->d_inode
)))
426 return security_ops
->path_truncate(path
);
429 int security_path_chmod(struct path
*path
, umode_t mode
)
431 if (unlikely(IS_PRIVATE(path
->dentry
->d_inode
)))
433 return security_ops
->path_chmod(path
, mode
);
436 int security_path_chown(struct path
*path
, uid_t uid
, gid_t gid
)
438 if (unlikely(IS_PRIVATE(path
->dentry
->d_inode
)))
440 return security_ops
->path_chown(path
, uid
, gid
);
443 int security_path_chroot(struct path
*path
)
445 return security_ops
->path_chroot(path
);
449 int security_inode_create(struct inode
*dir
, struct dentry
*dentry
, umode_t mode
)
451 if (unlikely(IS_PRIVATE(dir
)))
453 return security_ops
->inode_create(dir
, dentry
, mode
);
455 EXPORT_SYMBOL_GPL(security_inode_create
);
457 int security_inode_link(struct dentry
*old_dentry
, struct inode
*dir
,
458 struct dentry
*new_dentry
)
460 if (unlikely(IS_PRIVATE(old_dentry
->d_inode
)))
462 return security_ops
->inode_link(old_dentry
, dir
, new_dentry
);
465 int security_inode_unlink(struct inode
*dir
, struct dentry
*dentry
)
467 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
469 return security_ops
->inode_unlink(dir
, dentry
);
472 int security_inode_symlink(struct inode
*dir
, struct dentry
*dentry
,
473 const char *old_name
)
475 if (unlikely(IS_PRIVATE(dir
)))
477 return security_ops
->inode_symlink(dir
, dentry
, old_name
);
480 int security_inode_mkdir(struct inode
*dir
, struct dentry
*dentry
, umode_t mode
)
482 if (unlikely(IS_PRIVATE(dir
)))
484 return security_ops
->inode_mkdir(dir
, dentry
, mode
);
486 EXPORT_SYMBOL_GPL(security_inode_mkdir
);
488 int security_inode_rmdir(struct inode
*dir
, struct dentry
*dentry
)
490 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
492 return security_ops
->inode_rmdir(dir
, dentry
);
495 int security_inode_mknod(struct inode
*dir
, struct dentry
*dentry
, umode_t mode
, dev_t dev
)
497 if (unlikely(IS_PRIVATE(dir
)))
499 return security_ops
->inode_mknod(dir
, dentry
, mode
, dev
);
502 int security_inode_rename(struct inode
*old_dir
, struct dentry
*old_dentry
,
503 struct inode
*new_dir
, struct dentry
*new_dentry
)
505 if (unlikely(IS_PRIVATE(old_dentry
->d_inode
) ||
506 (new_dentry
->d_inode
&& IS_PRIVATE(new_dentry
->d_inode
))))
508 return security_ops
->inode_rename(old_dir
, old_dentry
,
509 new_dir
, new_dentry
);
512 int security_inode_readlink(struct dentry
*dentry
)
514 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
516 return security_ops
->inode_readlink(dentry
);
519 int security_inode_follow_link(struct dentry
*dentry
, struct nameidata
*nd
)
521 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
523 return security_ops
->inode_follow_link(dentry
, nd
);
526 int security_inode_permission(struct inode
*inode
, int mask
)
528 if (unlikely(IS_PRIVATE(inode
)))
530 return security_ops
->inode_permission(inode
, mask
);
533 int security_inode_setattr(struct dentry
*dentry
, struct iattr
*attr
)
537 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
539 ret
= security_ops
->inode_setattr(dentry
, attr
);
542 return evm_inode_setattr(dentry
, attr
);
544 EXPORT_SYMBOL_GPL(security_inode_setattr
);
546 int security_inode_getattr(struct vfsmount
*mnt
, struct dentry
*dentry
)
548 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
550 return security_ops
->inode_getattr(mnt
, dentry
);
553 int security_inode_setxattr(struct dentry
*dentry
, const char *name
,
554 const void *value
, size_t size
, int flags
)
558 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
560 ret
= security_ops
->inode_setxattr(dentry
, name
, value
, size
, flags
);
563 return evm_inode_setxattr(dentry
, name
, value
, size
);
566 void security_inode_post_setxattr(struct dentry
*dentry
, const char *name
,
567 const void *value
, size_t size
, int flags
)
569 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
571 security_ops
->inode_post_setxattr(dentry
, name
, value
, size
, flags
);
572 evm_inode_post_setxattr(dentry
, name
, value
, size
);
575 int security_inode_getxattr(struct dentry
*dentry
, const char *name
)
577 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
579 return security_ops
->inode_getxattr(dentry
, name
);
582 int security_inode_listxattr(struct dentry
*dentry
)
584 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
586 return security_ops
->inode_listxattr(dentry
);
589 int security_inode_removexattr(struct dentry
*dentry
, const char *name
)
593 if (unlikely(IS_PRIVATE(dentry
->d_inode
)))
595 ret
= security_ops
->inode_removexattr(dentry
, name
);
598 return evm_inode_removexattr(dentry
, name
);
601 int security_inode_need_killpriv(struct dentry
*dentry
)
603 return security_ops
->inode_need_killpriv(dentry
);
606 int security_inode_killpriv(struct dentry
*dentry
)
608 return security_ops
->inode_killpriv(dentry
);
611 int security_inode_getsecurity(const struct inode
*inode
, const char *name
, void **buffer
, bool alloc
)
613 if (unlikely(IS_PRIVATE(inode
)))
615 return security_ops
->inode_getsecurity(inode
, name
, buffer
, alloc
);
618 int security_inode_setsecurity(struct inode
*inode
, const char *name
, const void *value
, size_t size
, int flags
)
620 if (unlikely(IS_PRIVATE(inode
)))
622 return security_ops
->inode_setsecurity(inode
, name
, value
, size
, flags
);
625 int security_inode_listsecurity(struct inode
*inode
, char *buffer
, size_t buffer_size
)
627 if (unlikely(IS_PRIVATE(inode
)))
629 return security_ops
->inode_listsecurity(inode
, buffer
, buffer_size
);
632 void security_inode_getsecid(const struct inode
*inode
, u32
*secid
)
634 security_ops
->inode_getsecid(inode
, secid
);
637 int security_file_permission(struct file
*file
, int mask
)
641 ret
= security_ops
->file_permission(file
, mask
);
645 return fsnotify_perm(file
, mask
);
648 int security_file_alloc(struct file
*file
)
650 return security_ops
->file_alloc_security(file
);
653 void security_file_free(struct file
*file
)
655 security_ops
->file_free_security(file
);
658 int security_file_ioctl(struct file
*file
, unsigned int cmd
, unsigned long arg
)
660 return security_ops
->file_ioctl(file
, cmd
, arg
);
663 int security_mmap_file(struct file
*file
, unsigned long prot
,
666 unsigned long reqprot
= prot
;
669 * Does the application expect PROT_READ to imply PROT_EXEC?
671 * (the exception is when the underlying filesystem is noexec
672 * mounted, in which case we dont add PROT_EXEC.)
674 if (!(reqprot
& PROT_READ
))
676 if (!(current
->personality
& READ_IMPLIES_EXEC
))
680 } else if (!(file
->f_path
.mnt
->mnt_flags
& MNT_NOEXEC
)) {
682 unsigned long caps
= 0;
683 struct address_space
*mapping
= file
->f_mapping
;
684 if (mapping
&& mapping
->backing_dev_info
)
685 caps
= mapping
->backing_dev_info
->capabilities
;
686 if (!(caps
& BDI_CAP_EXEC_MAP
))
692 ret
= security_ops
->mmap_file(file
, reqprot
, prot
, flags
);
695 return ima_file_mmap(file
, prot
);
698 int security_mmap_addr(unsigned long addr
)
700 return security_ops
->mmap_addr(addr
);
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_file_open(struct file
*file
, const struct cred
*cred
)
739 ret
= security_ops
->file_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 void security_task_free(struct task_struct
*task
)
753 security_ops
->task_free(task
);
756 int security_cred_alloc_blank(struct cred
*cred
, gfp_t gfp
)
758 return security_ops
->cred_alloc_blank(cred
, gfp
);
761 void security_cred_free(struct cred
*cred
)
763 security_ops
->cred_free(cred
);
766 int security_prepare_creds(struct cred
*new, const struct cred
*old
, gfp_t gfp
)
768 return security_ops
->cred_prepare(new, old
, gfp
);
771 void security_transfer_creds(struct cred
*new, const struct cred
*old
)
773 security_ops
->cred_transfer(new, old
);
776 int security_kernel_act_as(struct cred
*new, u32 secid
)
778 return security_ops
->kernel_act_as(new, secid
);
781 int security_kernel_create_files_as(struct cred
*new, struct inode
*inode
)
783 return security_ops
->kernel_create_files_as(new, inode
);
786 int security_kernel_module_request(char *kmod_name
)
788 return security_ops
->kernel_module_request(kmod_name
);
791 int security_task_fix_setuid(struct cred
*new, const struct cred
*old
,
794 return security_ops
->task_fix_setuid(new, old
, flags
);
797 int security_task_setpgid(struct task_struct
*p
, pid_t pgid
)
799 return security_ops
->task_setpgid(p
, pgid
);
802 int security_task_getpgid(struct task_struct
*p
)
804 return security_ops
->task_getpgid(p
);
807 int security_task_getsid(struct task_struct
*p
)
809 return security_ops
->task_getsid(p
);
812 void security_task_getsecid(struct task_struct
*p
, u32
*secid
)
814 security_ops
->task_getsecid(p
, secid
);
816 EXPORT_SYMBOL(security_task_getsecid
);
818 int security_task_setnice(struct task_struct
*p
, int nice
)
820 return security_ops
->task_setnice(p
, nice
);
823 int security_task_setioprio(struct task_struct
*p
, int ioprio
)
825 return security_ops
->task_setioprio(p
, ioprio
);
828 int security_task_getioprio(struct task_struct
*p
)
830 return security_ops
->task_getioprio(p
);
833 int security_task_setrlimit(struct task_struct
*p
, unsigned int resource
,
834 struct rlimit
*new_rlim
)
836 return security_ops
->task_setrlimit(p
, resource
, new_rlim
);
839 int security_task_setscheduler(struct task_struct
*p
)
841 return security_ops
->task_setscheduler(p
);
844 int security_task_getscheduler(struct task_struct
*p
)
846 return security_ops
->task_getscheduler(p
);
849 int security_task_movememory(struct task_struct
*p
)
851 return security_ops
->task_movememory(p
);
854 int security_task_kill(struct task_struct
*p
, struct siginfo
*info
,
857 return security_ops
->task_kill(p
, info
, sig
, secid
);
860 int security_task_wait(struct task_struct
*p
)
862 return security_ops
->task_wait(p
);
865 int security_task_prctl(int option
, unsigned long arg2
, unsigned long arg3
,
866 unsigned long arg4
, unsigned long arg5
)
868 return security_ops
->task_prctl(option
, arg2
, arg3
, arg4
, arg5
);
871 void security_task_to_inode(struct task_struct
*p
, struct inode
*inode
)
873 security_ops
->task_to_inode(p
, inode
);
876 int security_ipc_permission(struct kern_ipc_perm
*ipcp
, short flag
)
878 return security_ops
->ipc_permission(ipcp
, flag
);
881 void security_ipc_getsecid(struct kern_ipc_perm
*ipcp
, u32
*secid
)
883 security_ops
->ipc_getsecid(ipcp
, secid
);
886 int security_msg_msg_alloc(struct msg_msg
*msg
)
888 return security_ops
->msg_msg_alloc_security(msg
);
891 void security_msg_msg_free(struct msg_msg
*msg
)
893 security_ops
->msg_msg_free_security(msg
);
896 int security_msg_queue_alloc(struct msg_queue
*msq
)
898 return security_ops
->msg_queue_alloc_security(msq
);
901 void security_msg_queue_free(struct msg_queue
*msq
)
903 security_ops
->msg_queue_free_security(msq
);
906 int security_msg_queue_associate(struct msg_queue
*msq
, int msqflg
)
908 return security_ops
->msg_queue_associate(msq
, msqflg
);
911 int security_msg_queue_msgctl(struct msg_queue
*msq
, int cmd
)
913 return security_ops
->msg_queue_msgctl(msq
, cmd
);
916 int security_msg_queue_msgsnd(struct msg_queue
*msq
,
917 struct msg_msg
*msg
, int msqflg
)
919 return security_ops
->msg_queue_msgsnd(msq
, msg
, msqflg
);
922 int security_msg_queue_msgrcv(struct msg_queue
*msq
, struct msg_msg
*msg
,
923 struct task_struct
*target
, long type
, int mode
)
925 return security_ops
->msg_queue_msgrcv(msq
, msg
, target
, type
, mode
);
928 int security_shm_alloc(struct shmid_kernel
*shp
)
930 return security_ops
->shm_alloc_security(shp
);
933 void security_shm_free(struct shmid_kernel
*shp
)
935 security_ops
->shm_free_security(shp
);
938 int security_shm_associate(struct shmid_kernel
*shp
, int shmflg
)
940 return security_ops
->shm_associate(shp
, shmflg
);
943 int security_shm_shmctl(struct shmid_kernel
*shp
, int cmd
)
945 return security_ops
->shm_shmctl(shp
, cmd
);
948 int security_shm_shmat(struct shmid_kernel
*shp
, char __user
*shmaddr
, int shmflg
)
950 return security_ops
->shm_shmat(shp
, shmaddr
, shmflg
);
953 int security_sem_alloc(struct sem_array
*sma
)
955 return security_ops
->sem_alloc_security(sma
);
958 void security_sem_free(struct sem_array
*sma
)
960 security_ops
->sem_free_security(sma
);
963 int security_sem_associate(struct sem_array
*sma
, int semflg
)
965 return security_ops
->sem_associate(sma
, semflg
);
968 int security_sem_semctl(struct sem_array
*sma
, int cmd
)
970 return security_ops
->sem_semctl(sma
, cmd
);
973 int security_sem_semop(struct sem_array
*sma
, struct sembuf
*sops
,
974 unsigned nsops
, int alter
)
976 return security_ops
->sem_semop(sma
, sops
, nsops
, alter
);
979 void security_d_instantiate(struct dentry
*dentry
, struct inode
*inode
)
981 if (unlikely(inode
&& IS_PRIVATE(inode
)))
983 security_ops
->d_instantiate(dentry
, inode
);
985 EXPORT_SYMBOL(security_d_instantiate
);
987 int security_getprocattr(struct task_struct
*p
, char *name
, char **value
)
989 return security_ops
->getprocattr(p
, name
, value
);
992 int security_setprocattr(struct task_struct
*p
, char *name
, void *value
, size_t size
)
994 return security_ops
->setprocattr(p
, name
, value
, size
);
997 int security_netlink_send(struct sock
*sk
, struct sk_buff
*skb
)
999 return security_ops
->netlink_send(sk
, skb
);
1002 int security_secid_to_secctx(u32 secid
, char **secdata
, u32
*seclen
)
1004 return security_ops
->secid_to_secctx(secid
, secdata
, seclen
);
1006 EXPORT_SYMBOL(security_secid_to_secctx
);
1008 int security_secctx_to_secid(const char *secdata
, u32 seclen
, u32
*secid
)
1010 return security_ops
->secctx_to_secid(secdata
, seclen
, secid
);
1012 EXPORT_SYMBOL(security_secctx_to_secid
);
1014 void security_release_secctx(char *secdata
, u32 seclen
)
1016 security_ops
->release_secctx(secdata
, seclen
);
1018 EXPORT_SYMBOL(security_release_secctx
);
1020 int security_inode_notifysecctx(struct inode
*inode
, void *ctx
, u32 ctxlen
)
1022 return security_ops
->inode_notifysecctx(inode
, ctx
, ctxlen
);
1024 EXPORT_SYMBOL(security_inode_notifysecctx
);
1026 int security_inode_setsecctx(struct dentry
*dentry
, void *ctx
, u32 ctxlen
)
1028 return security_ops
->inode_setsecctx(dentry
, ctx
, ctxlen
);
1030 EXPORT_SYMBOL(security_inode_setsecctx
);
1032 int security_inode_getsecctx(struct inode
*inode
, void **ctx
, u32
*ctxlen
)
1034 return security_ops
->inode_getsecctx(inode
, ctx
, ctxlen
);
1036 EXPORT_SYMBOL(security_inode_getsecctx
);
1038 #ifdef CONFIG_SECURITY_NETWORK
1040 int security_unix_stream_connect(struct sock
*sock
, struct sock
*other
, struct sock
*newsk
)
1042 return security_ops
->unix_stream_connect(sock
, other
, newsk
);
1044 EXPORT_SYMBOL(security_unix_stream_connect
);
1046 int security_unix_may_send(struct socket
*sock
, struct socket
*other
)
1048 return security_ops
->unix_may_send(sock
, other
);
1050 EXPORT_SYMBOL(security_unix_may_send
);
1052 int security_socket_create(int family
, int type
, int protocol
, int kern
)
1054 return security_ops
->socket_create(family
, type
, protocol
, kern
);
1057 int security_socket_post_create(struct socket
*sock
, int family
,
1058 int type
, int protocol
, int kern
)
1060 return security_ops
->socket_post_create(sock
, family
, type
,
1064 int security_socket_bind(struct socket
*sock
, struct sockaddr
*address
, int addrlen
)
1066 return security_ops
->socket_bind(sock
, address
, addrlen
);
1069 int security_socket_connect(struct socket
*sock
, struct sockaddr
*address
, int addrlen
)
1071 return security_ops
->socket_connect(sock
, address
, addrlen
);
1074 int security_socket_listen(struct socket
*sock
, int backlog
)
1076 return security_ops
->socket_listen(sock
, backlog
);
1079 int security_socket_accept(struct socket
*sock
, struct socket
*newsock
)
1081 return security_ops
->socket_accept(sock
, newsock
);
1084 int security_socket_sendmsg(struct socket
*sock
, struct msghdr
*msg
, int size
)
1086 return security_ops
->socket_sendmsg(sock
, msg
, size
);
1089 int security_socket_recvmsg(struct socket
*sock
, struct msghdr
*msg
,
1090 int size
, int flags
)
1092 return security_ops
->socket_recvmsg(sock
, msg
, size
, flags
);
1095 int security_socket_getsockname(struct socket
*sock
)
1097 return security_ops
->socket_getsockname(sock
);
1100 int security_socket_getpeername(struct socket
*sock
)
1102 return security_ops
->socket_getpeername(sock
);
1105 int security_socket_getsockopt(struct socket
*sock
, int level
, int optname
)
1107 return security_ops
->socket_getsockopt(sock
, level
, optname
);
1110 int security_socket_setsockopt(struct socket
*sock
, int level
, int optname
)
1112 return security_ops
->socket_setsockopt(sock
, level
, optname
);
1115 int security_socket_shutdown(struct socket
*sock
, int how
)
1117 return security_ops
->socket_shutdown(sock
, how
);
1120 int security_sock_rcv_skb(struct sock
*sk
, struct sk_buff
*skb
)
1122 return security_ops
->socket_sock_rcv_skb(sk
, skb
);
1124 EXPORT_SYMBOL(security_sock_rcv_skb
);
1126 int security_socket_getpeersec_stream(struct socket
*sock
, char __user
*optval
,
1127 int __user
*optlen
, unsigned len
)
1129 return security_ops
->socket_getpeersec_stream(sock
, optval
, optlen
, len
);
1132 int security_socket_getpeersec_dgram(struct socket
*sock
, struct sk_buff
*skb
, u32
*secid
)
1134 return security_ops
->socket_getpeersec_dgram(sock
, skb
, secid
);
1136 EXPORT_SYMBOL(security_socket_getpeersec_dgram
);
1138 int security_sk_alloc(struct sock
*sk
, int family
, gfp_t priority
)
1140 return security_ops
->sk_alloc_security(sk
, family
, priority
);
1143 void security_sk_free(struct sock
*sk
)
1145 security_ops
->sk_free_security(sk
);
1148 void security_sk_clone(const struct sock
*sk
, struct sock
*newsk
)
1150 security_ops
->sk_clone_security(sk
, newsk
);
1152 EXPORT_SYMBOL(security_sk_clone
);
1154 void security_sk_classify_flow(struct sock
*sk
, struct flowi
*fl
)
1156 security_ops
->sk_getsecid(sk
, &fl
->flowi_secid
);
1158 EXPORT_SYMBOL(security_sk_classify_flow
);
1160 void security_req_classify_flow(const struct request_sock
*req
, struct flowi
*fl
)
1162 security_ops
->req_classify_flow(req
, fl
);
1164 EXPORT_SYMBOL(security_req_classify_flow
);
1166 void security_sock_graft(struct sock
*sk
, struct socket
*parent
)
1168 security_ops
->sock_graft(sk
, parent
);
1170 EXPORT_SYMBOL(security_sock_graft
);
1172 int security_inet_conn_request(struct sock
*sk
,
1173 struct sk_buff
*skb
, struct request_sock
*req
)
1175 return security_ops
->inet_conn_request(sk
, skb
, req
);
1177 EXPORT_SYMBOL(security_inet_conn_request
);
1179 void security_inet_csk_clone(struct sock
*newsk
,
1180 const struct request_sock
*req
)
1182 security_ops
->inet_csk_clone(newsk
, req
);
1185 void security_inet_conn_established(struct sock
*sk
,
1186 struct sk_buff
*skb
)
1188 security_ops
->inet_conn_established(sk
, skb
);
1191 int security_secmark_relabel_packet(u32 secid
)
1193 return security_ops
->secmark_relabel_packet(secid
);
1195 EXPORT_SYMBOL(security_secmark_relabel_packet
);
1197 void security_secmark_refcount_inc(void)
1199 security_ops
->secmark_refcount_inc();
1201 EXPORT_SYMBOL(security_secmark_refcount_inc
);
1203 void security_secmark_refcount_dec(void)
1205 security_ops
->secmark_refcount_dec();
1207 EXPORT_SYMBOL(security_secmark_refcount_dec
);
1209 int security_tun_dev_create(void)
1211 return security_ops
->tun_dev_create();
1213 EXPORT_SYMBOL(security_tun_dev_create
);
1215 void security_tun_dev_post_create(struct sock
*sk
)
1217 return security_ops
->tun_dev_post_create(sk
);
1219 EXPORT_SYMBOL(security_tun_dev_post_create
);
1221 int security_tun_dev_attach(struct sock
*sk
)
1223 return security_ops
->tun_dev_attach(sk
);
1225 EXPORT_SYMBOL(security_tun_dev_attach
);
1227 #endif /* CONFIG_SECURITY_NETWORK */
1229 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1231 int security_xfrm_policy_alloc(struct xfrm_sec_ctx
**ctxp
, struct xfrm_user_sec_ctx
*sec_ctx
)
1233 return security_ops
->xfrm_policy_alloc_security(ctxp
, sec_ctx
);
1235 EXPORT_SYMBOL(security_xfrm_policy_alloc
);
1237 int security_xfrm_policy_clone(struct xfrm_sec_ctx
*old_ctx
,
1238 struct xfrm_sec_ctx
**new_ctxp
)
1240 return security_ops
->xfrm_policy_clone_security(old_ctx
, new_ctxp
);
1243 void security_xfrm_policy_free(struct xfrm_sec_ctx
*ctx
)
1245 security_ops
->xfrm_policy_free_security(ctx
);
1247 EXPORT_SYMBOL(security_xfrm_policy_free
);
1249 int security_xfrm_policy_delete(struct xfrm_sec_ctx
*ctx
)
1251 return security_ops
->xfrm_policy_delete_security(ctx
);
1254 int security_xfrm_state_alloc(struct xfrm_state
*x
, struct xfrm_user_sec_ctx
*sec_ctx
)
1256 return security_ops
->xfrm_state_alloc_security(x
, sec_ctx
, 0);
1258 EXPORT_SYMBOL(security_xfrm_state_alloc
);
1260 int security_xfrm_state_alloc_acquire(struct xfrm_state
*x
,
1261 struct xfrm_sec_ctx
*polsec
, u32 secid
)
1266 * We want the context to be taken from secid which is usually
1269 return security_ops
->xfrm_state_alloc_security(x
, NULL
, secid
);
1272 int security_xfrm_state_delete(struct xfrm_state
*x
)
1274 return security_ops
->xfrm_state_delete_security(x
);
1276 EXPORT_SYMBOL(security_xfrm_state_delete
);
1278 void security_xfrm_state_free(struct xfrm_state
*x
)
1280 security_ops
->xfrm_state_free_security(x
);
1283 int security_xfrm_policy_lookup(struct xfrm_sec_ctx
*ctx
, u32 fl_secid
, u8 dir
)
1285 return security_ops
->xfrm_policy_lookup(ctx
, fl_secid
, dir
);
1288 int security_xfrm_state_pol_flow_match(struct xfrm_state
*x
,
1289 struct xfrm_policy
*xp
,
1290 const struct flowi
*fl
)
1292 return security_ops
->xfrm_state_pol_flow_match(x
, xp
, fl
);
1295 int security_xfrm_decode_session(struct sk_buff
*skb
, u32
*secid
)
1297 return security_ops
->xfrm_decode_session(skb
, secid
, 1);
1300 void security_skb_classify_flow(struct sk_buff
*skb
, struct flowi
*fl
)
1302 int rc
= security_ops
->xfrm_decode_session(skb
, &fl
->flowi_secid
, 0);
1306 EXPORT_SYMBOL(security_skb_classify_flow
);
1308 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1312 int security_key_alloc(struct key
*key
, const struct cred
*cred
,
1313 unsigned long flags
)
1315 return security_ops
->key_alloc(key
, cred
, flags
);
1318 void security_key_free(struct key
*key
)
1320 security_ops
->key_free(key
);
1323 int security_key_permission(key_ref_t key_ref
,
1324 const struct cred
*cred
, key_perm_t perm
)
1326 return security_ops
->key_permission(key_ref
, cred
, perm
);
1329 int security_key_getsecurity(struct key
*key
, char **_buffer
)
1331 return security_ops
->key_getsecurity(key
, _buffer
);
1334 #endif /* CONFIG_KEYS */
1338 int security_audit_rule_init(u32 field
, u32 op
, char *rulestr
, void **lsmrule
)
1340 return security_ops
->audit_rule_init(field
, op
, rulestr
, lsmrule
);
1343 int security_audit_rule_known(struct audit_krule
*krule
)
1345 return security_ops
->audit_rule_known(krule
);
1348 void security_audit_rule_free(void *lsmrule
)
1350 security_ops
->audit_rule_free(lsmrule
);
1353 int security_audit_rule_match(u32 secid
, u32 field
, u32 op
, void *lsmrule
,
1354 struct audit_context
*actx
)
1356 return security_ops
->audit_rule_match(secid
, field
, op
, lsmrule
, actx
);
1359 #endif /* CONFIG_AUDIT */