2 * Security plug functions
4 * Copyright (C) 2001 WireX Communications, Inc <chris@wirex.com>
5 * Copyright (C) 2001-2002 Greg Kroah-Hartman <greg@kroah.com>
6 * Copyright (C) 2001 Networks Associates Technology, Inc <ssmalley@nai.com>
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
14 #include <linux/capability.h>
15 #include <linux/module.h>
16 #include <linux/init.h>
17 #include <linux/kernel.h>
18 #include <linux/security.h>
19 #include <linux/ima.h>
21 /* Boot-time LSM user choice */
22 static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1] =
23 CONFIG_DEFAULT_SECURITY;
25 /* things that live in capability.c */
26 extern struct security_operations default_security_ops;
27 extern void security_fixup_ops(struct security_operations *ops);
29 struct security_operations *security_ops; /* Initialized to NULL */
31 static inline int verify(struct security_operations *ops)
33 /* verify the security_operations structure exists */
36 security_fixup_ops(ops);
40 static void __init do_security_initcalls(void)
43 call = __security_initcall_start;
44 while (call < __security_initcall_end) {
51 * security_init - initializes the security framework
53 * This should be called early in the kernel initialization sequence.
55 int __init security_init(void)
57 printk(KERN_INFO "Security Framework initialized\n");
59 security_fixup_ops(&default_security_ops);
60 security_ops = &default_security_ops;
61 do_security_initcalls();
66 /* Save user chosen LSM */
67 static int __init choose_lsm(char *str)
69 strncpy(chosen_lsm, str, SECURITY_NAME_MAX);
72 __setup("security=", choose_lsm);
75 * security_module_enable - Load given security module on boot ?
76 * @ops: a pointer to the struct security_operations that is to be checked.
78 * Each LSM must pass this method before registering its own operations
79 * to avoid security registration races. This method may also be used
80 * to check if your LSM is currently loaded during kernel initialization.
83 * -The passed LSM is the one chosen by user at boot time,
84 * -or the passed LSM is configured as the default and the user did not
85 * choose an alternate LSM at boot time,
86 * -or there is no default LSM set and the user didn't specify a
87 * specific LSM and we're the first to ask for registration permission,
88 * -or the passed LSM is currently loaded.
89 * Otherwise, return false.
91 int __init security_module_enable(struct security_operations *ops)
94 strncpy(chosen_lsm, ops->name, SECURITY_NAME_MAX);
95 else if (strncmp(ops->name, chosen_lsm, SECURITY_NAME_MAX))
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 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(int cap)
160 return security_ops->capable(current, current_cred(), cap,
164 int security_real_capable(struct task_struct *tsk, int cap)
166 const struct cred *cred;
169 cred = get_task_cred(tsk);
170 ret = security_ops->capable(tsk, cred, cap, SECURITY_CAP_AUDIT);
175 int security_real_capable_noaudit(struct task_struct *tsk, int cap)
177 const struct cred *cred;
180 cred = get_task_cred(tsk);
181 ret = security_ops->capable(tsk, cred, cap, SECURITY_CAP_NOAUDIT);
186 int security_acct(struct file *file)
188 return security_ops->acct(file);
191 int security_sysctl(struct ctl_table *table, int op)
193 return security_ops->sysctl(table, op);
196 int security_quotactl(int cmds, int type, int id, struct super_block *sb)
198 return security_ops->quotactl(cmds, type, id, sb);
201 int security_quota_on(struct dentry *dentry)
203 return security_ops->quota_on(dentry);
206 int security_syslog(int type)
208 return security_ops->syslog(type);
211 int security_settime(struct timespec *ts, struct timezone *tz)
213 return security_ops->settime(ts, tz);
216 int security_vm_enough_memory(long pages)
218 WARN_ON(current->mm == NULL);
219 return security_ops->vm_enough_memory(current->mm, pages);
222 int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
225 return security_ops->vm_enough_memory(mm, pages);
228 int security_vm_enough_memory_kern(long pages)
230 /* If current->mm is a kernel thread then we will pass NULL,
231 for this specific case that is fine */
232 return security_ops->vm_enough_memory(current->mm, pages);
235 int security_bprm_set_creds(struct linux_binprm *bprm)
237 return security_ops->bprm_set_creds(bprm);
240 int security_bprm_check(struct linux_binprm *bprm)
244 ret = security_ops->bprm_check_security(bprm);
247 return ima_bprm_check(bprm);
250 void security_bprm_committing_creds(struct linux_binprm *bprm)
252 security_ops->bprm_committing_creds(bprm);
255 void security_bprm_committed_creds(struct linux_binprm *bprm)
257 security_ops->bprm_committed_creds(bprm);
260 int security_bprm_secureexec(struct linux_binprm *bprm)
262 return security_ops->bprm_secureexec(bprm);
265 int security_sb_alloc(struct super_block *sb)
267 return security_ops->sb_alloc_security(sb);
270 void security_sb_free(struct super_block *sb)
272 security_ops->sb_free_security(sb);
275 int security_sb_copy_data(char *orig, char *copy)
277 return security_ops->sb_copy_data(orig, copy);
279 EXPORT_SYMBOL(security_sb_copy_data);
281 int security_sb_kern_mount(struct super_block *sb, int flags, void *data)
283 return security_ops->sb_kern_mount(sb, flags, data);
286 int security_sb_show_options(struct seq_file *m, struct super_block *sb)
288 return security_ops->sb_show_options(m, sb);
291 int security_sb_statfs(struct dentry *dentry)
293 return security_ops->sb_statfs(dentry);
296 int security_sb_mount(char *dev_name, struct path *path,
297 char *type, unsigned long flags, void *data)
299 return security_ops->sb_mount(dev_name, path, type, flags, data);
302 int security_sb_check_sb(struct vfsmount *mnt, struct path *path)
304 return security_ops->sb_check_sb(mnt, path);
307 int security_sb_umount(struct vfsmount *mnt, int flags)
309 return security_ops->sb_umount(mnt, flags);
312 void security_sb_umount_close(struct vfsmount *mnt)
314 security_ops->sb_umount_close(mnt);
317 void security_sb_umount_busy(struct vfsmount *mnt)
319 security_ops->sb_umount_busy(mnt);
322 void security_sb_post_remount(struct vfsmount *mnt, unsigned long flags, void *data)
324 security_ops->sb_post_remount(mnt, flags, data);
327 void security_sb_post_addmount(struct vfsmount *mnt, struct path *mountpoint)
329 security_ops->sb_post_addmount(mnt, mountpoint);
332 int security_sb_pivotroot(struct path *old_path, struct path *new_path)
334 return security_ops->sb_pivotroot(old_path, new_path);
337 void security_sb_post_pivotroot(struct path *old_path, struct path *new_path)
339 security_ops->sb_post_pivotroot(old_path, new_path);
342 int security_sb_set_mnt_opts(struct super_block *sb,
343 struct security_mnt_opts *opts)
345 return security_ops->sb_set_mnt_opts(sb, opts);
347 EXPORT_SYMBOL(security_sb_set_mnt_opts);
349 void security_sb_clone_mnt_opts(const struct super_block *oldsb,
350 struct super_block *newsb)
352 security_ops->sb_clone_mnt_opts(oldsb, newsb);
354 EXPORT_SYMBOL(security_sb_clone_mnt_opts);
356 int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
358 return security_ops->sb_parse_opts_str(options, opts);
360 EXPORT_SYMBOL(security_sb_parse_opts_str);
362 int security_inode_alloc(struct inode *inode)
366 inode->i_security = NULL;
367 ret = security_ops->inode_alloc_security(inode);
370 ret = ima_inode_alloc(inode);
372 security_inode_free(inode);
376 void security_inode_free(struct inode *inode)
378 ima_inode_free(inode);
379 security_ops->inode_free_security(inode);
382 int security_inode_init_security(struct inode *inode, struct inode *dir,
383 char **name, void **value, size_t *len)
385 if (unlikely(IS_PRIVATE(inode)))
387 return security_ops->inode_init_security(inode, dir, name, value, len);
389 EXPORT_SYMBOL(security_inode_init_security);
391 #ifdef CONFIG_SECURITY_PATH
392 int security_path_mknod(struct path *path, struct dentry *dentry, int mode,
395 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
397 return security_ops->path_mknod(path, dentry, mode, dev);
399 EXPORT_SYMBOL(security_path_mknod);
401 int security_path_mkdir(struct path *path, struct dentry *dentry, int mode)
403 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
405 return security_ops->path_mkdir(path, dentry, mode);
408 int security_path_rmdir(struct path *path, struct dentry *dentry)
410 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
412 return security_ops->path_rmdir(path, dentry);
415 int security_path_unlink(struct path *path, struct dentry *dentry)
417 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
419 return security_ops->path_unlink(path, dentry);
422 int security_path_symlink(struct path *path, struct dentry *dentry,
423 const char *old_name)
425 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
427 return security_ops->path_symlink(path, dentry, old_name);
430 int security_path_link(struct dentry *old_dentry, struct path *new_dir,
431 struct dentry *new_dentry)
433 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
435 return security_ops->path_link(old_dentry, new_dir, new_dentry);
438 int security_path_rename(struct path *old_dir, struct dentry *old_dentry,
439 struct path *new_dir, struct dentry *new_dentry)
441 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
442 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
444 return security_ops->path_rename(old_dir, old_dentry, new_dir,
448 int security_path_truncate(struct path *path, loff_t length,
449 unsigned int time_attrs)
451 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
453 return security_ops->path_truncate(path, length, time_attrs);
456 int security_path_chmod(struct dentry *dentry, struct vfsmount *mnt,
459 if (unlikely(IS_PRIVATE(dentry->d_inode)))
461 return security_ops->path_chmod(dentry, mnt, mode);
464 int security_path_chown(struct path *path, uid_t uid, gid_t gid)
466 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
468 return security_ops->path_chown(path, uid, gid);
471 int security_path_chroot(struct path *path)
473 return security_ops->path_chroot(path);
477 int security_inode_create(struct inode *dir, struct dentry *dentry, int mode)
479 if (unlikely(IS_PRIVATE(dir)))
481 return security_ops->inode_create(dir, dentry, mode);
483 EXPORT_SYMBOL_GPL(security_inode_create);
485 int security_inode_link(struct dentry *old_dentry, struct inode *dir,
486 struct dentry *new_dentry)
488 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
490 return security_ops->inode_link(old_dentry, dir, new_dentry);
493 int security_inode_unlink(struct inode *dir, struct dentry *dentry)
495 if (unlikely(IS_PRIVATE(dentry->d_inode)))
497 return security_ops->inode_unlink(dir, dentry);
500 int security_inode_symlink(struct inode *dir, struct dentry *dentry,
501 const char *old_name)
503 if (unlikely(IS_PRIVATE(dir)))
505 return security_ops->inode_symlink(dir, dentry, old_name);
508 int security_inode_mkdir(struct inode *dir, struct dentry *dentry, int mode)
510 if (unlikely(IS_PRIVATE(dir)))
512 return security_ops->inode_mkdir(dir, dentry, mode);
514 EXPORT_SYMBOL_GPL(security_inode_mkdir);
516 int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
518 if (unlikely(IS_PRIVATE(dentry->d_inode)))
520 return security_ops->inode_rmdir(dir, dentry);
523 int security_inode_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
525 if (unlikely(IS_PRIVATE(dir)))
527 return security_ops->inode_mknod(dir, dentry, mode, dev);
530 int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
531 struct inode *new_dir, struct dentry *new_dentry)
533 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
534 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
536 return security_ops->inode_rename(old_dir, old_dentry,
537 new_dir, new_dentry);
540 int security_inode_readlink(struct dentry *dentry)
542 if (unlikely(IS_PRIVATE(dentry->d_inode)))
544 return security_ops->inode_readlink(dentry);
547 int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd)
549 if (unlikely(IS_PRIVATE(dentry->d_inode)))
551 return security_ops->inode_follow_link(dentry, nd);
554 int security_inode_permission(struct inode *inode, int mask)
556 if (unlikely(IS_PRIVATE(inode)))
558 return security_ops->inode_permission(inode, mask);
561 int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
563 if (unlikely(IS_PRIVATE(dentry->d_inode)))
565 return security_ops->inode_setattr(dentry, attr);
567 EXPORT_SYMBOL_GPL(security_inode_setattr);
569 int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
571 if (unlikely(IS_PRIVATE(dentry->d_inode)))
573 return security_ops->inode_getattr(mnt, dentry);
576 void security_inode_delete(struct inode *inode)
578 if (unlikely(IS_PRIVATE(inode)))
580 security_ops->inode_delete(inode);
583 int security_inode_setxattr(struct dentry *dentry, const char *name,
584 const void *value, size_t size, int flags)
586 if (unlikely(IS_PRIVATE(dentry->d_inode)))
588 return security_ops->inode_setxattr(dentry, name, value, size, flags);
591 void security_inode_post_setxattr(struct dentry *dentry, const char *name,
592 const void *value, size_t size, int flags)
594 if (unlikely(IS_PRIVATE(dentry->d_inode)))
596 security_ops->inode_post_setxattr(dentry, name, value, size, flags);
599 int security_inode_getxattr(struct dentry *dentry, const char *name)
601 if (unlikely(IS_PRIVATE(dentry->d_inode)))
603 return security_ops->inode_getxattr(dentry, name);
606 int security_inode_listxattr(struct dentry *dentry)
608 if (unlikely(IS_PRIVATE(dentry->d_inode)))
610 return security_ops->inode_listxattr(dentry);
613 int security_inode_removexattr(struct dentry *dentry, const char *name)
615 if (unlikely(IS_PRIVATE(dentry->d_inode)))
617 return security_ops->inode_removexattr(dentry, name);
620 int security_inode_need_killpriv(struct dentry *dentry)
622 return security_ops->inode_need_killpriv(dentry);
625 int security_inode_killpriv(struct dentry *dentry)
627 return security_ops->inode_killpriv(dentry);
630 int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
632 if (unlikely(IS_PRIVATE(inode)))
634 return security_ops->inode_getsecurity(inode, name, buffer, alloc);
637 int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
639 if (unlikely(IS_PRIVATE(inode)))
641 return security_ops->inode_setsecurity(inode, name, value, size, flags);
644 int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
646 if (unlikely(IS_PRIVATE(inode)))
648 return security_ops->inode_listsecurity(inode, buffer, buffer_size);
651 void security_inode_getsecid(const struct inode *inode, u32 *secid)
653 security_ops->inode_getsecid(inode, secid);
656 int security_file_permission(struct file *file, int mask)
658 return security_ops->file_permission(file, mask);
661 int security_file_alloc(struct file *file)
663 return security_ops->file_alloc_security(file);
666 void security_file_free(struct file *file)
668 security_ops->file_free_security(file);
673 int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
675 return security_ops->file_ioctl(file, cmd, arg);
678 int security_file_mmap(struct file *file, unsigned long reqprot,
679 unsigned long prot, unsigned long flags,
680 unsigned long addr, unsigned long addr_only)
684 ret = security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only);
687 return ima_file_mmap(file, prot);
690 int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
693 return security_ops->file_mprotect(vma, reqprot, prot);
696 int security_file_lock(struct file *file, unsigned int cmd)
698 return security_ops->file_lock(file, cmd);
701 int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
703 return security_ops->file_fcntl(file, cmd, arg);
706 int security_file_set_fowner(struct file *file)
708 return security_ops->file_set_fowner(file);
711 int security_file_send_sigiotask(struct task_struct *tsk,
712 struct fown_struct *fown, int sig)
714 return security_ops->file_send_sigiotask(tsk, fown, sig);
717 int security_file_receive(struct file *file)
719 return security_ops->file_receive(file);
722 int security_dentry_open(struct file *file, const struct cred *cred)
724 return security_ops->dentry_open(file, cred);
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_commit_creds(struct cred *new, const struct cred *old)
749 security_ops->cred_commit(new, old);
752 void security_transfer_creds(struct cred *new, const struct cred *old)
754 security_ops->cred_transfer(new, old);
757 int security_kernel_act_as(struct cred *new, u32 secid)
759 return security_ops->kernel_act_as(new, secid);
762 int security_kernel_create_files_as(struct cred *new, struct inode *inode)
764 return security_ops->kernel_create_files_as(new, inode);
767 int security_kernel_module_request(char *kmod_name)
769 return security_ops->kernel_module_request(kmod_name);
772 int security_task_setuid(uid_t id0, uid_t id1, uid_t id2, int flags)
774 return security_ops->task_setuid(id0, id1, id2, flags);
777 int security_task_fix_setuid(struct cred *new, const struct cred *old,
780 return security_ops->task_fix_setuid(new, old, flags);
783 int security_task_setgid(gid_t id0, gid_t id1, gid_t id2, int flags)
785 return security_ops->task_setgid(id0, id1, id2, flags);
788 int security_task_setpgid(struct task_struct *p, pid_t pgid)
790 return security_ops->task_setpgid(p, pgid);
793 int security_task_getpgid(struct task_struct *p)
795 return security_ops->task_getpgid(p);
798 int security_task_getsid(struct task_struct *p)
800 return security_ops->task_getsid(p);
803 void security_task_getsecid(struct task_struct *p, u32 *secid)
805 security_ops->task_getsecid(p, secid);
807 EXPORT_SYMBOL(security_task_getsecid);
809 int security_task_setgroups(struct group_info *group_info)
811 return security_ops->task_setgroups(group_info);
814 int security_task_setnice(struct task_struct *p, int nice)
816 return security_ops->task_setnice(p, nice);
819 int security_task_setioprio(struct task_struct *p, int ioprio)
821 return security_ops->task_setioprio(p, ioprio);
824 int security_task_getioprio(struct task_struct *p)
826 return security_ops->task_getioprio(p);
829 int security_task_setrlimit(unsigned int resource, struct rlimit *new_rlim)
831 return security_ops->task_setrlimit(resource, new_rlim);
834 int security_task_setscheduler(struct task_struct *p,
835 int policy, struct sched_param *lp)
837 return security_ops->task_setscheduler(p, policy, lp);
840 int security_task_getscheduler(struct task_struct *p)
842 return security_ops->task_getscheduler(p);
845 int security_task_movememory(struct task_struct *p)
847 return security_ops->task_movememory(p);
850 int security_task_kill(struct task_struct *p, struct siginfo *info,
853 return security_ops->task_kill(p, info, sig, secid);
856 int security_task_wait(struct task_struct *p)
858 return security_ops->task_wait(p);
861 int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
862 unsigned long arg4, unsigned long arg5)
864 return security_ops->task_prctl(option, arg2, arg3, arg4, arg5);
867 void security_task_to_inode(struct task_struct *p, struct inode *inode)
869 security_ops->task_to_inode(p, inode);
872 int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
874 return security_ops->ipc_permission(ipcp, flag);
877 void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
879 security_ops->ipc_getsecid(ipcp, secid);
882 int security_msg_msg_alloc(struct msg_msg *msg)
884 return security_ops->msg_msg_alloc_security(msg);
887 void security_msg_msg_free(struct msg_msg *msg)
889 security_ops->msg_msg_free_security(msg);
892 int security_msg_queue_alloc(struct msg_queue *msq)
894 return security_ops->msg_queue_alloc_security(msq);
897 void security_msg_queue_free(struct msg_queue *msq)
899 security_ops->msg_queue_free_security(msq);
902 int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
904 return security_ops->msg_queue_associate(msq, msqflg);
907 int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
909 return security_ops->msg_queue_msgctl(msq, cmd);
912 int security_msg_queue_msgsnd(struct msg_queue *msq,
913 struct msg_msg *msg, int msqflg)
915 return security_ops->msg_queue_msgsnd(msq, msg, msqflg);
918 int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
919 struct task_struct *target, long type, int mode)
921 return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode);
924 int security_shm_alloc(struct shmid_kernel *shp)
926 return security_ops->shm_alloc_security(shp);
929 void security_shm_free(struct shmid_kernel *shp)
931 security_ops->shm_free_security(shp);
934 int security_shm_associate(struct shmid_kernel *shp, int shmflg)
936 return security_ops->shm_associate(shp, shmflg);
939 int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
941 return security_ops->shm_shmctl(shp, cmd);
944 int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
946 return security_ops->shm_shmat(shp, shmaddr, shmflg);
949 int security_sem_alloc(struct sem_array *sma)
951 return security_ops->sem_alloc_security(sma);
954 void security_sem_free(struct sem_array *sma)
956 security_ops->sem_free_security(sma);
959 int security_sem_associate(struct sem_array *sma, int semflg)
961 return security_ops->sem_associate(sma, semflg);
964 int security_sem_semctl(struct sem_array *sma, int cmd)
966 return security_ops->sem_semctl(sma, cmd);
969 int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
970 unsigned nsops, int alter)
972 return security_ops->sem_semop(sma, sops, nsops, alter);
975 void security_d_instantiate(struct dentry *dentry, struct inode *inode)
977 if (unlikely(inode && IS_PRIVATE(inode)))
979 security_ops->d_instantiate(dentry, inode);
981 EXPORT_SYMBOL(security_d_instantiate);
983 int security_getprocattr(struct task_struct *p, char *name, char **value)
985 return security_ops->getprocattr(p, name, value);
988 int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
990 return security_ops->setprocattr(p, name, value, size);
993 int security_netlink_send(struct sock *sk, struct sk_buff *skb)
995 return security_ops->netlink_send(sk, skb);
998 int security_netlink_recv(struct sk_buff *skb, int cap)
1000 return security_ops->netlink_recv(skb, cap);
1002 EXPORT_SYMBOL(security_netlink_recv);
1004 int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
1006 return security_ops->secid_to_secctx(secid, secdata, seclen);
1008 EXPORT_SYMBOL(security_secid_to_secctx);
1010 int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
1012 return security_ops->secctx_to_secid(secdata, seclen, secid);
1014 EXPORT_SYMBOL(security_secctx_to_secid);
1016 void security_release_secctx(char *secdata, u32 seclen)
1018 security_ops->release_secctx(secdata, seclen);
1020 EXPORT_SYMBOL(security_release_secctx);
1022 int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
1024 return security_ops->inode_notifysecctx(inode, ctx, ctxlen);
1026 EXPORT_SYMBOL(security_inode_notifysecctx);
1028 int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
1030 return security_ops->inode_setsecctx(dentry, ctx, ctxlen);
1032 EXPORT_SYMBOL(security_inode_setsecctx);
1034 int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
1036 return security_ops->inode_getsecctx(inode, ctx, ctxlen);
1038 EXPORT_SYMBOL(security_inode_getsecctx);
1040 #ifdef CONFIG_SECURITY_NETWORK
1042 int security_unix_stream_connect(struct socket *sock, struct socket *other,
1045 return security_ops->unix_stream_connect(sock, other, newsk);
1047 EXPORT_SYMBOL(security_unix_stream_connect);
1049 int security_unix_may_send(struct socket *sock, struct socket *other)
1051 return security_ops->unix_may_send(sock, other);
1053 EXPORT_SYMBOL(security_unix_may_send);
1055 int security_socket_create(int family, int type, int protocol, int kern)
1057 return security_ops->socket_create(family, type, protocol, kern);
1060 int security_socket_post_create(struct socket *sock, int family,
1061 int type, int protocol, int kern)
1063 return security_ops->socket_post_create(sock, family, type,
1067 int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
1069 return security_ops->socket_bind(sock, address, addrlen);
1072 int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
1074 return security_ops->socket_connect(sock, address, addrlen);
1077 int security_socket_listen(struct socket *sock, int backlog)
1079 return security_ops->socket_listen(sock, backlog);
1082 int security_socket_accept(struct socket *sock, struct socket *newsock)
1084 return security_ops->socket_accept(sock, newsock);
1087 int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
1089 return security_ops->socket_sendmsg(sock, msg, size);
1092 int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1093 int size, int flags)
1095 return security_ops->socket_recvmsg(sock, msg, size, flags);
1098 int security_socket_getsockname(struct socket *sock)
1100 return security_ops->socket_getsockname(sock);
1103 int security_socket_getpeername(struct socket *sock)
1105 return security_ops->socket_getpeername(sock);
1108 int security_socket_getsockopt(struct socket *sock, int level, int optname)
1110 return security_ops->socket_getsockopt(sock, level, optname);
1113 int security_socket_setsockopt(struct socket *sock, int level, int optname)
1115 return security_ops->socket_setsockopt(sock, level, optname);
1118 int security_socket_shutdown(struct socket *sock, int how)
1120 return security_ops->socket_shutdown(sock, how);
1123 int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
1125 return security_ops->socket_sock_rcv_skb(sk, skb);
1127 EXPORT_SYMBOL(security_sock_rcv_skb);
1129 int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1130 int __user *optlen, unsigned len)
1132 return security_ops->socket_getpeersec_stream(sock, optval, optlen, len);
1135 int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1137 return security_ops->socket_getpeersec_dgram(sock, skb, secid);
1139 EXPORT_SYMBOL(security_socket_getpeersec_dgram);
1141 int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1143 return security_ops->sk_alloc_security(sk, family, priority);
1146 void security_sk_free(struct sock *sk)
1148 security_ops->sk_free_security(sk);
1151 void security_sk_clone(const struct sock *sk, struct sock *newsk)
1153 security_ops->sk_clone_security(sk, newsk);
1156 void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1158 security_ops->sk_getsecid(sk, &fl->secid);
1160 EXPORT_SYMBOL(security_sk_classify_flow);
1162 void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1164 security_ops->req_classify_flow(req, fl);
1166 EXPORT_SYMBOL(security_req_classify_flow);
1168 void security_sock_graft(struct sock *sk, struct socket *parent)
1170 security_ops->sock_graft(sk, parent);
1172 EXPORT_SYMBOL(security_sock_graft);
1174 int security_inet_conn_request(struct sock *sk,
1175 struct sk_buff *skb, struct request_sock *req)
1177 return security_ops->inet_conn_request(sk, skb, req);
1179 EXPORT_SYMBOL(security_inet_conn_request);
1181 void security_inet_csk_clone(struct sock *newsk,
1182 const struct request_sock *req)
1184 security_ops->inet_csk_clone(newsk, req);
1187 void security_inet_conn_established(struct sock *sk,
1188 struct sk_buff *skb)
1190 security_ops->inet_conn_established(sk, skb);
1193 int security_tun_dev_create(void)
1195 return security_ops->tun_dev_create();
1197 EXPORT_SYMBOL(security_tun_dev_create);
1199 void security_tun_dev_post_create(struct sock *sk)
1201 return security_ops->tun_dev_post_create(sk);
1203 EXPORT_SYMBOL(security_tun_dev_post_create);
1205 int security_tun_dev_attach(struct sock *sk)
1207 return security_ops->tun_dev_attach(sk);
1209 EXPORT_SYMBOL(security_tun_dev_attach);
1211 #endif /* CONFIG_SECURITY_NETWORK */
1213 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1215 int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *sec_ctx)
1217 return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx);
1219 EXPORT_SYMBOL(security_xfrm_policy_alloc);
1221 int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
1222 struct xfrm_sec_ctx **new_ctxp)
1224 return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp);
1227 void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
1229 security_ops->xfrm_policy_free_security(ctx);
1231 EXPORT_SYMBOL(security_xfrm_policy_free);
1233 int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
1235 return security_ops->xfrm_policy_delete_security(ctx);
1238 int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx)
1240 return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0);
1242 EXPORT_SYMBOL(security_xfrm_state_alloc);
1244 int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1245 struct xfrm_sec_ctx *polsec, u32 secid)
1250 * We want the context to be taken from secid which is usually
1253 return security_ops->xfrm_state_alloc_security(x, NULL, secid);
1256 int security_xfrm_state_delete(struct xfrm_state *x)
1258 return security_ops->xfrm_state_delete_security(x);
1260 EXPORT_SYMBOL(security_xfrm_state_delete);
1262 void security_xfrm_state_free(struct xfrm_state *x)
1264 security_ops->xfrm_state_free_security(x);
1267 int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
1269 return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir);
1272 int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1273 struct xfrm_policy *xp, struct flowi *fl)
1275 return security_ops->xfrm_state_pol_flow_match(x, xp, fl);
1278 int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1280 return security_ops->xfrm_decode_session(skb, secid, 1);
1283 void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1285 int rc = security_ops->xfrm_decode_session(skb, &fl->secid, 0);
1289 EXPORT_SYMBOL(security_skb_classify_flow);
1291 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1295 int security_key_alloc(struct key *key, const struct cred *cred,
1296 unsigned long flags)
1298 return security_ops->key_alloc(key, cred, flags);
1301 void security_key_free(struct key *key)
1303 security_ops->key_free(key);
1306 int security_key_permission(key_ref_t key_ref,
1307 const struct cred *cred, key_perm_t perm)
1309 return security_ops->key_permission(key_ref, cred, perm);
1312 int security_key_getsecurity(struct key *key, char **_buffer)
1314 return security_ops->key_getsecurity(key, _buffer);
1317 int security_key_session_to_parent(const struct cred *cred,
1318 const struct cred *parent_cred,
1321 return security_ops->key_session_to_parent(cred, parent_cred, key);
1324 #endif /* CONFIG_KEYS */
1328 int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
1330 return security_ops->audit_rule_init(field, op, rulestr, lsmrule);
1333 int security_audit_rule_known(struct audit_krule *krule)
1335 return security_ops->audit_rule_known(krule);
1338 void security_audit_rule_free(void *lsmrule)
1340 security_ops->audit_rule_free(lsmrule);
1343 int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1344 struct audit_context *actx)
1346 return security_ops->audit_rule_match(secid, field, op, lsmrule, actx);
1349 #endif /* CONFIG_AUDIT */