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 void security_fixup_ops(struct security_operations *ops);
28 static struct security_operations *security_ops;
29 static struct security_operations default_security_ops = {
33 static inline int verify(struct security_operations *ops)
35 /* verify the security_operations structure exists */
38 security_fixup_ops(ops);
42 static void __init do_security_initcalls(void)
45 call = __security_initcall_start;
46 while (call < __security_initcall_end) {
53 * security_init - initializes the security framework
55 * This should be called early in the kernel initialization sequence.
57 int __init security_init(void)
59 printk(KERN_INFO "Security Framework initialized\n");
61 security_fixup_ops(&default_security_ops);
62 security_ops = &default_security_ops;
63 do_security_initcalls();
68 void reset_security_ops(void)
70 security_ops = &default_security_ops;
73 /* Save user chosen LSM */
74 static int __init choose_lsm(char *str)
76 strncpy(chosen_lsm, str, SECURITY_NAME_MAX);
79 __setup("security=", choose_lsm);
82 * security_module_enable - Load given security module on boot ?
83 * @ops: a pointer to the struct security_operations that is to be checked.
85 * Each LSM must pass this method before registering its own operations
86 * to avoid security registration races. This method may also be used
87 * to check if your LSM is currently loaded during kernel initialization.
90 * -The passed LSM is the one chosen by user at boot time,
91 * -or the passed LSM is configured as the default and the user did not
92 * choose an alternate LSM at boot time,
93 * -or there is no default LSM set and the user didn't specify a
94 * specific LSM and we're the first to ask for registration permission,
95 * -or the passed LSM is currently loaded.
96 * Otherwise, return false.
98 int __init security_module_enable(struct security_operations *ops)
101 strncpy(chosen_lsm, ops->name, SECURITY_NAME_MAX);
102 else if (strncmp(ops->name, chosen_lsm, SECURITY_NAME_MAX))
109 * register_security - registers a security framework with the kernel
110 * @ops: a pointer to the struct security_options that is to be registered
112 * This function allows a security module to register itself with the
113 * kernel security subsystem. Some rudimentary checking is done on the @ops
114 * value passed to this function. You'll need to check first if your LSM
115 * is allowed to register its @ops by calling security_module_enable(@ops).
117 * If there is already a security module registered with the kernel,
118 * an error will be returned. Otherwise %0 is returned on success.
120 int register_security(struct security_operations *ops)
123 printk(KERN_DEBUG "%s could not verify "
124 "security_operations structure.\n", __func__);
128 if (security_ops != &default_security_ops)
136 /* Security operations */
138 int security_ptrace_access_check(struct task_struct *child, unsigned int mode)
140 return security_ops->ptrace_access_check(child, mode);
143 int security_ptrace_traceme(struct task_struct *parent)
145 return security_ops->ptrace_traceme(parent);
148 int security_capget(struct task_struct *target,
149 kernel_cap_t *effective,
150 kernel_cap_t *inheritable,
151 kernel_cap_t *permitted)
153 return security_ops->capget(target, effective, inheritable, permitted);
156 int security_capset(struct cred *new, const struct cred *old,
157 const kernel_cap_t *effective,
158 const kernel_cap_t *inheritable,
159 const kernel_cap_t *permitted)
161 return security_ops->capset(new, old,
162 effective, inheritable, permitted);
165 int security_capable(int cap)
167 return security_ops->capable(current, current_cred(), cap,
171 int security_real_capable(struct task_struct *tsk, int cap)
173 const struct cred *cred;
176 cred = get_task_cred(tsk);
177 ret = security_ops->capable(tsk, cred, cap, SECURITY_CAP_AUDIT);
182 int security_real_capable_noaudit(struct task_struct *tsk, int cap)
184 const struct cred *cred;
187 cred = get_task_cred(tsk);
188 ret = security_ops->capable(tsk, cred, cap, SECURITY_CAP_NOAUDIT);
193 int security_acct(struct file *file)
195 return security_ops->acct(file);
198 int security_sysctl(struct ctl_table *table, int op)
200 return security_ops->sysctl(table, op);
203 int security_quotactl(int cmds, int type, int id, struct super_block *sb)
205 return security_ops->quotactl(cmds, type, id, sb);
208 int security_quota_on(struct dentry *dentry)
210 return security_ops->quota_on(dentry);
213 int security_syslog(int type, bool from_file)
215 return security_ops->syslog(type, from_file);
218 int security_settime(struct timespec *ts, struct timezone *tz)
220 return security_ops->settime(ts, tz);
223 int security_vm_enough_memory(long pages)
225 WARN_ON(current->mm == NULL);
226 return security_ops->vm_enough_memory(current->mm, pages);
229 int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
232 return security_ops->vm_enough_memory(mm, pages);
235 int security_vm_enough_memory_kern(long pages)
237 /* If current->mm is a kernel thread then we will pass NULL,
238 for this specific case that is fine */
239 return security_ops->vm_enough_memory(current->mm, pages);
242 int security_bprm_set_creds(struct linux_binprm *bprm)
244 return security_ops->bprm_set_creds(bprm);
247 int security_bprm_check(struct linux_binprm *bprm)
251 ret = security_ops->bprm_check_security(bprm);
254 return ima_bprm_check(bprm);
257 void security_bprm_committing_creds(struct linux_binprm *bprm)
259 security_ops->bprm_committing_creds(bprm);
262 void security_bprm_committed_creds(struct linux_binprm *bprm)
264 security_ops->bprm_committed_creds(bprm);
267 int security_bprm_secureexec(struct linux_binprm *bprm)
269 return security_ops->bprm_secureexec(bprm);
272 int security_sb_alloc(struct super_block *sb)
274 return security_ops->sb_alloc_security(sb);
277 void security_sb_free(struct super_block *sb)
279 security_ops->sb_free_security(sb);
282 int security_sb_copy_data(char *orig, char *copy)
284 return security_ops->sb_copy_data(orig, copy);
286 EXPORT_SYMBOL(security_sb_copy_data);
288 int security_sb_kern_mount(struct super_block *sb, int flags, void *data)
290 return security_ops->sb_kern_mount(sb, flags, data);
293 int security_sb_show_options(struct seq_file *m, struct super_block *sb)
295 return security_ops->sb_show_options(m, sb);
298 int security_sb_statfs(struct dentry *dentry)
300 return security_ops->sb_statfs(dentry);
303 int security_sb_mount(char *dev_name, struct path *path,
304 char *type, unsigned long flags, void *data)
306 return security_ops->sb_mount(dev_name, path, type, flags, data);
309 int security_sb_check_sb(struct vfsmount *mnt, struct path *path)
311 return security_ops->sb_check_sb(mnt, path);
314 int security_sb_umount(struct vfsmount *mnt, int flags)
316 return security_ops->sb_umount(mnt, flags);
319 void security_sb_umount_close(struct vfsmount *mnt)
321 security_ops->sb_umount_close(mnt);
324 void security_sb_umount_busy(struct vfsmount *mnt)
326 security_ops->sb_umount_busy(mnt);
329 void security_sb_post_remount(struct vfsmount *mnt, unsigned long flags, void *data)
331 security_ops->sb_post_remount(mnt, flags, data);
334 void security_sb_post_addmount(struct vfsmount *mnt, struct path *mountpoint)
336 security_ops->sb_post_addmount(mnt, mountpoint);
339 int security_sb_pivotroot(struct path *old_path, struct path *new_path)
341 return security_ops->sb_pivotroot(old_path, new_path);
344 void security_sb_post_pivotroot(struct path *old_path, struct path *new_path)
346 security_ops->sb_post_pivotroot(old_path, new_path);
349 int security_sb_set_mnt_opts(struct super_block *sb,
350 struct security_mnt_opts *opts)
352 return security_ops->sb_set_mnt_opts(sb, opts);
354 EXPORT_SYMBOL(security_sb_set_mnt_opts);
356 void security_sb_clone_mnt_opts(const struct super_block *oldsb,
357 struct super_block *newsb)
359 security_ops->sb_clone_mnt_opts(oldsb, newsb);
361 EXPORT_SYMBOL(security_sb_clone_mnt_opts);
363 int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
365 return security_ops->sb_parse_opts_str(options, opts);
367 EXPORT_SYMBOL(security_sb_parse_opts_str);
369 int security_inode_alloc(struct inode *inode)
373 inode->i_security = NULL;
374 ret = security_ops->inode_alloc_security(inode);
377 ret = ima_inode_alloc(inode);
379 security_inode_free(inode);
383 void security_inode_free(struct inode *inode)
385 ima_inode_free(inode);
386 security_ops->inode_free_security(inode);
389 int security_inode_init_security(struct inode *inode, struct inode *dir,
390 char **name, void **value, size_t *len)
392 if (unlikely(IS_PRIVATE(inode)))
394 return security_ops->inode_init_security(inode, dir, name, value, len);
396 EXPORT_SYMBOL(security_inode_init_security);
398 #ifdef CONFIG_SECURITY_PATH
399 int security_path_mknod(struct path *dir, struct dentry *dentry, int mode,
402 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
404 return security_ops->path_mknod(dir, dentry, mode, dev);
406 EXPORT_SYMBOL(security_path_mknod);
408 int security_path_mkdir(struct path *dir, struct dentry *dentry, int mode)
410 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
412 return security_ops->path_mkdir(dir, dentry, mode);
415 int security_path_rmdir(struct path *dir, struct dentry *dentry)
417 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
419 return security_ops->path_rmdir(dir, dentry);
422 int security_path_unlink(struct path *dir, struct dentry *dentry)
424 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
426 return security_ops->path_unlink(dir, dentry);
429 int security_path_symlink(struct path *dir, struct dentry *dentry,
430 const char *old_name)
432 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
434 return security_ops->path_symlink(dir, dentry, old_name);
437 int security_path_link(struct dentry *old_dentry, struct path *new_dir,
438 struct dentry *new_dentry)
440 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
442 return security_ops->path_link(old_dentry, new_dir, new_dentry);
445 int security_path_rename(struct path *old_dir, struct dentry *old_dentry,
446 struct path *new_dir, struct dentry *new_dentry)
448 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
449 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
451 return security_ops->path_rename(old_dir, old_dentry, new_dir,
455 int security_path_truncate(struct path *path, loff_t length,
456 unsigned int time_attrs)
458 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
460 return security_ops->path_truncate(path, length, time_attrs);
463 int security_path_chmod(struct dentry *dentry, struct vfsmount *mnt,
466 if (unlikely(IS_PRIVATE(dentry->d_inode)))
468 return security_ops->path_chmod(dentry, mnt, mode);
471 int security_path_chown(struct path *path, uid_t uid, gid_t gid)
473 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
475 return security_ops->path_chown(path, uid, gid);
478 int security_path_chroot(struct path *path)
480 return security_ops->path_chroot(path);
484 int security_inode_create(struct inode *dir, struct dentry *dentry, int mode)
486 if (unlikely(IS_PRIVATE(dir)))
488 return security_ops->inode_create(dir, dentry, mode);
490 EXPORT_SYMBOL_GPL(security_inode_create);
492 int security_inode_link(struct dentry *old_dentry, struct inode *dir,
493 struct dentry *new_dentry)
495 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
497 return security_ops->inode_link(old_dentry, dir, new_dentry);
500 int security_inode_unlink(struct inode *dir, struct dentry *dentry)
502 if (unlikely(IS_PRIVATE(dentry->d_inode)))
504 return security_ops->inode_unlink(dir, dentry);
507 int security_inode_symlink(struct inode *dir, struct dentry *dentry,
508 const char *old_name)
510 if (unlikely(IS_PRIVATE(dir)))
512 return security_ops->inode_symlink(dir, dentry, old_name);
515 int security_inode_mkdir(struct inode *dir, struct dentry *dentry, int mode)
517 if (unlikely(IS_PRIVATE(dir)))
519 return security_ops->inode_mkdir(dir, dentry, mode);
521 EXPORT_SYMBOL_GPL(security_inode_mkdir);
523 int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
525 if (unlikely(IS_PRIVATE(dentry->d_inode)))
527 return security_ops->inode_rmdir(dir, dentry);
530 int security_inode_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
532 if (unlikely(IS_PRIVATE(dir)))
534 return security_ops->inode_mknod(dir, dentry, mode, dev);
537 int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
538 struct inode *new_dir, struct dentry *new_dentry)
540 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
541 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
543 return security_ops->inode_rename(old_dir, old_dentry,
544 new_dir, new_dentry);
547 int security_inode_readlink(struct dentry *dentry)
549 if (unlikely(IS_PRIVATE(dentry->d_inode)))
551 return security_ops->inode_readlink(dentry);
554 int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd)
556 if (unlikely(IS_PRIVATE(dentry->d_inode)))
558 return security_ops->inode_follow_link(dentry, nd);
561 int security_inode_permission(struct inode *inode, int mask)
563 if (unlikely(IS_PRIVATE(inode)))
565 return security_ops->inode_permission(inode, mask);
568 int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
570 if (unlikely(IS_PRIVATE(dentry->d_inode)))
572 return security_ops->inode_setattr(dentry, attr);
574 EXPORT_SYMBOL_GPL(security_inode_setattr);
576 int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
578 if (unlikely(IS_PRIVATE(dentry->d_inode)))
580 return security_ops->inode_getattr(mnt, dentry);
583 void security_inode_delete(struct inode *inode)
585 if (unlikely(IS_PRIVATE(inode)))
587 security_ops->inode_delete(inode);
590 int security_inode_setxattr(struct dentry *dentry, const char *name,
591 const void *value, size_t size, int flags)
593 if (unlikely(IS_PRIVATE(dentry->d_inode)))
595 return security_ops->inode_setxattr(dentry, name, value, size, flags);
598 void security_inode_post_setxattr(struct dentry *dentry, const char *name,
599 const void *value, size_t size, int flags)
601 if (unlikely(IS_PRIVATE(dentry->d_inode)))
603 security_ops->inode_post_setxattr(dentry, name, value, size, flags);
606 int security_inode_getxattr(struct dentry *dentry, const char *name)
608 if (unlikely(IS_PRIVATE(dentry->d_inode)))
610 return security_ops->inode_getxattr(dentry, name);
613 int security_inode_listxattr(struct dentry *dentry)
615 if (unlikely(IS_PRIVATE(dentry->d_inode)))
617 return security_ops->inode_listxattr(dentry);
620 int security_inode_removexattr(struct dentry *dentry, const char *name)
622 if (unlikely(IS_PRIVATE(dentry->d_inode)))
624 return security_ops->inode_removexattr(dentry, name);
627 int security_inode_need_killpriv(struct dentry *dentry)
629 return security_ops->inode_need_killpriv(dentry);
632 int security_inode_killpriv(struct dentry *dentry)
634 return security_ops->inode_killpriv(dentry);
637 int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
639 if (unlikely(IS_PRIVATE(inode)))
641 return security_ops->inode_getsecurity(inode, name, buffer, alloc);
644 int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
646 if (unlikely(IS_PRIVATE(inode)))
648 return security_ops->inode_setsecurity(inode, name, value, size, flags);
651 int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
653 if (unlikely(IS_PRIVATE(inode)))
655 return security_ops->inode_listsecurity(inode, buffer, buffer_size);
658 void security_inode_getsecid(const struct inode *inode, u32 *secid)
660 security_ops->inode_getsecid(inode, secid);
663 int security_file_permission(struct file *file, int mask)
665 return security_ops->file_permission(file, mask);
668 int security_file_alloc(struct file *file)
670 return security_ops->file_alloc_security(file);
673 void security_file_free(struct file *file)
675 security_ops->file_free_security(file);
680 int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
682 return security_ops->file_ioctl(file, cmd, arg);
685 int security_file_mmap(struct file *file, unsigned long reqprot,
686 unsigned long prot, unsigned long flags,
687 unsigned long addr, unsigned long addr_only)
691 ret = security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only);
694 return ima_file_mmap(file, prot);
697 int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
700 return security_ops->file_mprotect(vma, reqprot, prot);
703 int security_file_lock(struct file *file, unsigned int cmd)
705 return security_ops->file_lock(file, cmd);
708 int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
710 return security_ops->file_fcntl(file, cmd, arg);
713 int security_file_set_fowner(struct file *file)
715 return security_ops->file_set_fowner(file);
718 int security_file_send_sigiotask(struct task_struct *tsk,
719 struct fown_struct *fown, int sig)
721 return security_ops->file_send_sigiotask(tsk, fown, sig);
724 int security_file_receive(struct file *file)
726 return security_ops->file_receive(file);
729 int security_dentry_open(struct file *file, const struct cred *cred)
731 return security_ops->dentry_open(file, cred);
734 int security_task_create(unsigned long clone_flags)
736 return security_ops->task_create(clone_flags);
739 int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
741 return security_ops->cred_alloc_blank(cred, gfp);
744 void security_cred_free(struct cred *cred)
746 security_ops->cred_free(cred);
749 int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp)
751 return security_ops->cred_prepare(new, old, gfp);
754 void security_commit_creds(struct cred *new, const struct cred *old)
756 security_ops->cred_commit(new, old);
759 void security_transfer_creds(struct cred *new, const struct cred *old)
761 security_ops->cred_transfer(new, old);
764 int security_kernel_act_as(struct cred *new, u32 secid)
766 return security_ops->kernel_act_as(new, secid);
769 int security_kernel_create_files_as(struct cred *new, struct inode *inode)
771 return security_ops->kernel_create_files_as(new, inode);
774 int security_kernel_module_request(char *kmod_name)
776 return security_ops->kernel_module_request(kmod_name);
779 int security_task_setuid(uid_t id0, uid_t id1, uid_t id2, int flags)
781 return security_ops->task_setuid(id0, id1, id2, flags);
784 int security_task_fix_setuid(struct cred *new, const struct cred *old,
787 return security_ops->task_fix_setuid(new, old, flags);
790 int security_task_setgid(gid_t id0, gid_t id1, gid_t id2, int flags)
792 return security_ops->task_setgid(id0, id1, id2, flags);
795 int security_task_setpgid(struct task_struct *p, pid_t pgid)
797 return security_ops->task_setpgid(p, pgid);
800 int security_task_getpgid(struct task_struct *p)
802 return security_ops->task_getpgid(p);
805 int security_task_getsid(struct task_struct *p)
807 return security_ops->task_getsid(p);
810 void security_task_getsecid(struct task_struct *p, u32 *secid)
812 security_ops->task_getsecid(p, secid);
814 EXPORT_SYMBOL(security_task_getsecid);
816 int security_task_setgroups(struct group_info *group_info)
818 return security_ops->task_setgroups(group_info);
821 int security_task_setnice(struct task_struct *p, int nice)
823 return security_ops->task_setnice(p, nice);
826 int security_task_setioprio(struct task_struct *p, int ioprio)
828 return security_ops->task_setioprio(p, ioprio);
831 int security_task_getioprio(struct task_struct *p)
833 return security_ops->task_getioprio(p);
836 int security_task_setrlimit(unsigned int resource, struct rlimit *new_rlim)
838 return security_ops->task_setrlimit(resource, new_rlim);
841 int security_task_setscheduler(struct task_struct *p,
842 int policy, struct sched_param *lp)
844 return security_ops->task_setscheduler(p, policy, lp);
847 int security_task_getscheduler(struct task_struct *p)
849 return security_ops->task_getscheduler(p);
852 int security_task_movememory(struct task_struct *p)
854 return security_ops->task_movememory(p);
857 int security_task_kill(struct task_struct *p, struct siginfo *info,
860 return security_ops->task_kill(p, info, sig, secid);
863 int security_task_wait(struct task_struct *p)
865 return security_ops->task_wait(p);
868 int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
869 unsigned long arg4, unsigned long arg5)
871 return security_ops->task_prctl(option, arg2, arg3, arg4, arg5);
874 void security_task_to_inode(struct task_struct *p, struct inode *inode)
876 security_ops->task_to_inode(p, inode);
879 int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
881 return security_ops->ipc_permission(ipcp, flag);
884 void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
886 security_ops->ipc_getsecid(ipcp, secid);
889 int security_msg_msg_alloc(struct msg_msg *msg)
891 return security_ops->msg_msg_alloc_security(msg);
894 void security_msg_msg_free(struct msg_msg *msg)
896 security_ops->msg_msg_free_security(msg);
899 int security_msg_queue_alloc(struct msg_queue *msq)
901 return security_ops->msg_queue_alloc_security(msq);
904 void security_msg_queue_free(struct msg_queue *msq)
906 security_ops->msg_queue_free_security(msq);
909 int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
911 return security_ops->msg_queue_associate(msq, msqflg);
914 int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
916 return security_ops->msg_queue_msgctl(msq, cmd);
919 int security_msg_queue_msgsnd(struct msg_queue *msq,
920 struct msg_msg *msg, int msqflg)
922 return security_ops->msg_queue_msgsnd(msq, msg, msqflg);
925 int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
926 struct task_struct *target, long type, int mode)
928 return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode);
931 int security_shm_alloc(struct shmid_kernel *shp)
933 return security_ops->shm_alloc_security(shp);
936 void security_shm_free(struct shmid_kernel *shp)
938 security_ops->shm_free_security(shp);
941 int security_shm_associate(struct shmid_kernel *shp, int shmflg)
943 return security_ops->shm_associate(shp, shmflg);
946 int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
948 return security_ops->shm_shmctl(shp, cmd);
951 int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
953 return security_ops->shm_shmat(shp, shmaddr, shmflg);
956 int security_sem_alloc(struct sem_array *sma)
958 return security_ops->sem_alloc_security(sma);
961 void security_sem_free(struct sem_array *sma)
963 security_ops->sem_free_security(sma);
966 int security_sem_associate(struct sem_array *sma, int semflg)
968 return security_ops->sem_associate(sma, semflg);
971 int security_sem_semctl(struct sem_array *sma, int cmd)
973 return security_ops->sem_semctl(sma, cmd);
976 int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
977 unsigned nsops, int alter)
979 return security_ops->sem_semop(sma, sops, nsops, alter);
982 void security_d_instantiate(struct dentry *dentry, struct inode *inode)
984 if (unlikely(inode && IS_PRIVATE(inode)))
986 security_ops->d_instantiate(dentry, inode);
988 EXPORT_SYMBOL(security_d_instantiate);
990 int security_getprocattr(struct task_struct *p, char *name, char **value)
992 return security_ops->getprocattr(p, name, value);
995 int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
997 return security_ops->setprocattr(p, name, value, size);
1000 int security_netlink_send(struct sock *sk, struct sk_buff *skb)
1002 return security_ops->netlink_send(sk, skb);
1005 int security_netlink_recv(struct sk_buff *skb, int cap)
1007 return security_ops->netlink_recv(skb, cap);
1009 EXPORT_SYMBOL(security_netlink_recv);
1011 int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
1013 return security_ops->secid_to_secctx(secid, secdata, seclen);
1015 EXPORT_SYMBOL(security_secid_to_secctx);
1017 int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
1019 return security_ops->secctx_to_secid(secdata, seclen, secid);
1021 EXPORT_SYMBOL(security_secctx_to_secid);
1023 void security_release_secctx(char *secdata, u32 seclen)
1025 security_ops->release_secctx(secdata, seclen);
1027 EXPORT_SYMBOL(security_release_secctx);
1029 int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
1031 return security_ops->inode_notifysecctx(inode, ctx, ctxlen);
1033 EXPORT_SYMBOL(security_inode_notifysecctx);
1035 int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
1037 return security_ops->inode_setsecctx(dentry, ctx, ctxlen);
1039 EXPORT_SYMBOL(security_inode_setsecctx);
1041 int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
1043 return security_ops->inode_getsecctx(inode, ctx, ctxlen);
1045 EXPORT_SYMBOL(security_inode_getsecctx);
1047 #ifdef CONFIG_SECURITY_NETWORK
1049 int security_unix_stream_connect(struct socket *sock, struct socket *other,
1052 return security_ops->unix_stream_connect(sock, other, newsk);
1054 EXPORT_SYMBOL(security_unix_stream_connect);
1056 int security_unix_may_send(struct socket *sock, struct socket *other)
1058 return security_ops->unix_may_send(sock, other);
1060 EXPORT_SYMBOL(security_unix_may_send);
1062 int security_socket_create(int family, int type, int protocol, int kern)
1064 return security_ops->socket_create(family, type, protocol, kern);
1067 int security_socket_post_create(struct socket *sock, int family,
1068 int type, int protocol, int kern)
1070 return security_ops->socket_post_create(sock, family, type,
1074 int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
1076 return security_ops->socket_bind(sock, address, addrlen);
1079 int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
1081 return security_ops->socket_connect(sock, address, addrlen);
1084 int security_socket_listen(struct socket *sock, int backlog)
1086 return security_ops->socket_listen(sock, backlog);
1089 int security_socket_accept(struct socket *sock, struct socket *newsock)
1091 return security_ops->socket_accept(sock, newsock);
1094 int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
1096 return security_ops->socket_sendmsg(sock, msg, size);
1099 int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1100 int size, int flags)
1102 return security_ops->socket_recvmsg(sock, msg, size, flags);
1105 int security_socket_getsockname(struct socket *sock)
1107 return security_ops->socket_getsockname(sock);
1110 int security_socket_getpeername(struct socket *sock)
1112 return security_ops->socket_getpeername(sock);
1115 int security_socket_getsockopt(struct socket *sock, int level, int optname)
1117 return security_ops->socket_getsockopt(sock, level, optname);
1120 int security_socket_setsockopt(struct socket *sock, int level, int optname)
1122 return security_ops->socket_setsockopt(sock, level, optname);
1125 int security_socket_shutdown(struct socket *sock, int how)
1127 return security_ops->socket_shutdown(sock, how);
1130 int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
1132 return security_ops->socket_sock_rcv_skb(sk, skb);
1134 EXPORT_SYMBOL(security_sock_rcv_skb);
1136 int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1137 int __user *optlen, unsigned len)
1139 return security_ops->socket_getpeersec_stream(sock, optval, optlen, len);
1142 int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1144 return security_ops->socket_getpeersec_dgram(sock, skb, secid);
1146 EXPORT_SYMBOL(security_socket_getpeersec_dgram);
1148 int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1150 return security_ops->sk_alloc_security(sk, family, priority);
1153 void security_sk_free(struct sock *sk)
1155 security_ops->sk_free_security(sk);
1158 void security_sk_clone(const struct sock *sk, struct sock *newsk)
1160 security_ops->sk_clone_security(sk, newsk);
1163 void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1165 security_ops->sk_getsecid(sk, &fl->secid);
1167 EXPORT_SYMBOL(security_sk_classify_flow);
1169 void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1171 security_ops->req_classify_flow(req, fl);
1173 EXPORT_SYMBOL(security_req_classify_flow);
1175 void security_sock_graft(struct sock *sk, struct socket *parent)
1177 security_ops->sock_graft(sk, parent);
1179 EXPORT_SYMBOL(security_sock_graft);
1181 int security_inet_conn_request(struct sock *sk,
1182 struct sk_buff *skb, struct request_sock *req)
1184 return security_ops->inet_conn_request(sk, skb, req);
1186 EXPORT_SYMBOL(security_inet_conn_request);
1188 void security_inet_csk_clone(struct sock *newsk,
1189 const struct request_sock *req)
1191 security_ops->inet_csk_clone(newsk, req);
1194 void security_inet_conn_established(struct sock *sk,
1195 struct sk_buff *skb)
1197 security_ops->inet_conn_established(sk, skb);
1200 int security_tun_dev_create(void)
1202 return security_ops->tun_dev_create();
1204 EXPORT_SYMBOL(security_tun_dev_create);
1206 void security_tun_dev_post_create(struct sock *sk)
1208 return security_ops->tun_dev_post_create(sk);
1210 EXPORT_SYMBOL(security_tun_dev_post_create);
1212 int security_tun_dev_attach(struct sock *sk)
1214 return security_ops->tun_dev_attach(sk);
1216 EXPORT_SYMBOL(security_tun_dev_attach);
1218 #endif /* CONFIG_SECURITY_NETWORK */
1220 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1222 int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *sec_ctx)
1224 return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx);
1226 EXPORT_SYMBOL(security_xfrm_policy_alloc);
1228 int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
1229 struct xfrm_sec_ctx **new_ctxp)
1231 return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp);
1234 void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
1236 security_ops->xfrm_policy_free_security(ctx);
1238 EXPORT_SYMBOL(security_xfrm_policy_free);
1240 int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
1242 return security_ops->xfrm_policy_delete_security(ctx);
1245 int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx)
1247 return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0);
1249 EXPORT_SYMBOL(security_xfrm_state_alloc);
1251 int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1252 struct xfrm_sec_ctx *polsec, u32 secid)
1257 * We want the context to be taken from secid which is usually
1260 return security_ops->xfrm_state_alloc_security(x, NULL, secid);
1263 int security_xfrm_state_delete(struct xfrm_state *x)
1265 return security_ops->xfrm_state_delete_security(x);
1267 EXPORT_SYMBOL(security_xfrm_state_delete);
1269 void security_xfrm_state_free(struct xfrm_state *x)
1271 security_ops->xfrm_state_free_security(x);
1274 int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
1276 return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir);
1279 int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1280 struct xfrm_policy *xp, struct flowi *fl)
1282 return security_ops->xfrm_state_pol_flow_match(x, xp, fl);
1285 int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1287 return security_ops->xfrm_decode_session(skb, secid, 1);
1290 void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1292 int rc = security_ops->xfrm_decode_session(skb, &fl->secid, 0);
1296 EXPORT_SYMBOL(security_skb_classify_flow);
1298 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1302 int security_key_alloc(struct key *key, const struct cred *cred,
1303 unsigned long flags)
1305 return security_ops->key_alloc(key, cred, flags);
1308 void security_key_free(struct key *key)
1310 security_ops->key_free(key);
1313 int security_key_permission(key_ref_t key_ref,
1314 const struct cred *cred, key_perm_t perm)
1316 return security_ops->key_permission(key_ref, cred, perm);
1319 int security_key_getsecurity(struct key *key, char **_buffer)
1321 return security_ops->key_getsecurity(key, _buffer);
1324 int security_key_session_to_parent(const struct cred *cred,
1325 const struct cred *parent_cred,
1328 return security_ops->key_session_to_parent(cred, parent_cred, key);
1331 #endif /* CONFIG_KEYS */
1335 int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
1337 return security_ops->audit_rule_init(field, op, rulestr, lsmrule);
1340 int security_audit_rule_known(struct audit_krule *krule)
1342 return security_ops->audit_rule_known(krule);
1345 void security_audit_rule_free(void *lsmrule)
1347 security_ops->audit_rule_free(lsmrule);
1350 int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1351 struct audit_context *actx)
1353 return security_ops->audit_rule_match(secid, field, op, lsmrule, actx);
1356 #endif /* CONFIG_AUDIT */