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];
24 /* things that live in capability.c */
25 extern struct security_operations default_security_ops;
26 extern void security_fixup_ops(struct security_operations *ops);
28 struct security_operations *security_ops; /* Initialized to NULL */
30 static inline int verify(struct security_operations *ops)
32 /* verify the security_operations structure exists */
35 security_fixup_ops(ops);
39 static void __init do_security_initcalls(void)
42 call = __security_initcall_start;
43 while (call < __security_initcall_end) {
50 * security_init - initializes the security framework
52 * This should be called early in the kernel initialization sequence.
54 int __init security_init(void)
56 printk(KERN_INFO "Security Framework initialized\n");
58 security_fixup_ops(&default_security_ops);
59 security_ops = &default_security_ops;
60 do_security_initcalls();
65 /* Save user chosen LSM */
66 static int __init choose_lsm(char *str)
68 strncpy(chosen_lsm, str, SECURITY_NAME_MAX);
71 __setup("security=", choose_lsm);
74 * security_module_enable - Load given security module on boot ?
75 * @ops: a pointer to the struct security_operations that is to be checked.
77 * Each LSM must pass this method before registering its own operations
78 * to avoid security registration races. This method may also be used
79 * to check if your LSM is currently loaded during kernel initialization.
82 * -The passed LSM is the one chosen by user at boot time,
83 * -or user didn't specify a specific LSM and we're the first to ask
84 * for registration permission,
85 * -or the passed LSM is currently loaded.
86 * Otherwise, return false.
88 int __init security_module_enable(struct security_operations *ops)
91 strncpy(chosen_lsm, ops->name, SECURITY_NAME_MAX);
92 else if (strncmp(ops->name, chosen_lsm, SECURITY_NAME_MAX))
99 * register_security - registers a security framework with the kernel
100 * @ops: a pointer to the struct security_options that is to be registered
102 * This function allows a security module to register itself with the
103 * kernel security subsystem. Some rudimentary checking is done on the @ops
104 * value passed to this function. You'll need to check first if your LSM
105 * is allowed to register its @ops by calling security_module_enable(@ops).
107 * If there is already a security module registered with the kernel,
108 * an error will be returned. Otherwise %0 is returned on success.
110 int register_security(struct security_operations *ops)
113 printk(KERN_DEBUG "%s could not verify "
114 "security_operations structure.\n", __func__);
118 if (security_ops != &default_security_ops)
126 /* Security operations */
128 int security_ptrace_access_check(struct task_struct *child, unsigned int mode)
130 return security_ops->ptrace_access_check(child, mode);
133 int security_ptrace_traceme(struct task_struct *parent)
135 return security_ops->ptrace_traceme(parent);
138 int security_capget(struct task_struct *target,
139 kernel_cap_t *effective,
140 kernel_cap_t *inheritable,
141 kernel_cap_t *permitted)
143 return security_ops->capget(target, effective, inheritable, permitted);
146 int security_capset(struct cred *new, const struct cred *old,
147 const kernel_cap_t *effective,
148 const kernel_cap_t *inheritable,
149 const kernel_cap_t *permitted)
151 return security_ops->capset(new, old,
152 effective, inheritable, permitted);
155 int security_capable(int cap)
157 return security_ops->capable(current, current_cred(), cap,
161 int security_real_capable(struct task_struct *tsk, int cap)
163 const struct cred *cred;
166 cred = get_task_cred(tsk);
167 ret = security_ops->capable(tsk, cred, cap, SECURITY_CAP_AUDIT);
172 int security_real_capable_noaudit(struct task_struct *tsk, int cap)
174 const struct cred *cred;
177 cred = get_task_cred(tsk);
178 ret = security_ops->capable(tsk, cred, cap, SECURITY_CAP_NOAUDIT);
183 int security_acct(struct file *file)
185 return security_ops->acct(file);
188 int security_sysctl(struct ctl_table *table, int op)
190 return security_ops->sysctl(table, op);
193 int security_quotactl(int cmds, int type, int id, struct super_block *sb)
195 return security_ops->quotactl(cmds, type, id, sb);
198 int security_quota_on(struct dentry *dentry)
200 return security_ops->quota_on(dentry);
203 int security_syslog(int type)
205 return security_ops->syslog(type);
208 int security_settime(struct timespec *ts, struct timezone *tz)
210 return security_ops->settime(ts, tz);
213 int security_vm_enough_memory(long pages)
215 WARN_ON(current->mm == NULL);
216 return security_ops->vm_enough_memory(current->mm, pages);
219 int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
222 return security_ops->vm_enough_memory(mm, pages);
225 int security_vm_enough_memory_kern(long pages)
227 /* If current->mm is a kernel thread then we will pass NULL,
228 for this specific case that is fine */
229 return security_ops->vm_enough_memory(current->mm, pages);
232 int security_bprm_set_creds(struct linux_binprm *bprm)
234 return security_ops->bprm_set_creds(bprm);
237 int security_bprm_check(struct linux_binprm *bprm)
241 ret = security_ops->bprm_check_security(bprm);
244 return ima_bprm_check(bprm);
247 void security_bprm_committing_creds(struct linux_binprm *bprm)
249 security_ops->bprm_committing_creds(bprm);
252 void security_bprm_committed_creds(struct linux_binprm *bprm)
254 security_ops->bprm_committed_creds(bprm);
257 int security_bprm_secureexec(struct linux_binprm *bprm)
259 return security_ops->bprm_secureexec(bprm);
262 int security_sb_alloc(struct super_block *sb)
264 return security_ops->sb_alloc_security(sb);
267 void security_sb_free(struct super_block *sb)
269 security_ops->sb_free_security(sb);
272 int security_sb_copy_data(char *orig, char *copy)
274 return security_ops->sb_copy_data(orig, copy);
276 EXPORT_SYMBOL(security_sb_copy_data);
278 int security_sb_kern_mount(struct super_block *sb, int flags, void *data)
280 return security_ops->sb_kern_mount(sb, flags, data);
283 int security_sb_show_options(struct seq_file *m, struct super_block *sb)
285 return security_ops->sb_show_options(m, sb);
288 int security_sb_statfs(struct dentry *dentry)
290 return security_ops->sb_statfs(dentry);
293 int security_sb_mount(char *dev_name, struct path *path,
294 char *type, unsigned long flags, void *data)
296 return security_ops->sb_mount(dev_name, path, type, flags, data);
299 int security_sb_check_sb(struct vfsmount *mnt, struct path *path)
301 return security_ops->sb_check_sb(mnt, path);
304 int security_sb_umount(struct vfsmount *mnt, int flags)
306 return security_ops->sb_umount(mnt, flags);
309 void security_sb_umount_close(struct vfsmount *mnt)
311 security_ops->sb_umount_close(mnt);
314 void security_sb_umount_busy(struct vfsmount *mnt)
316 security_ops->sb_umount_busy(mnt);
319 void security_sb_post_remount(struct vfsmount *mnt, unsigned long flags, void *data)
321 security_ops->sb_post_remount(mnt, flags, data);
324 void security_sb_post_addmount(struct vfsmount *mnt, struct path *mountpoint)
326 security_ops->sb_post_addmount(mnt, mountpoint);
329 int security_sb_pivotroot(struct path *old_path, struct path *new_path)
331 return security_ops->sb_pivotroot(old_path, new_path);
334 void security_sb_post_pivotroot(struct path *old_path, struct path *new_path)
336 security_ops->sb_post_pivotroot(old_path, new_path);
339 int security_sb_set_mnt_opts(struct super_block *sb,
340 struct security_mnt_opts *opts)
342 return security_ops->sb_set_mnt_opts(sb, opts);
344 EXPORT_SYMBOL(security_sb_set_mnt_opts);
346 void security_sb_clone_mnt_opts(const struct super_block *oldsb,
347 struct super_block *newsb)
349 security_ops->sb_clone_mnt_opts(oldsb, newsb);
351 EXPORT_SYMBOL(security_sb_clone_mnt_opts);
353 int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
355 return security_ops->sb_parse_opts_str(options, opts);
357 EXPORT_SYMBOL(security_sb_parse_opts_str);
359 int security_inode_alloc(struct inode *inode)
363 inode->i_security = NULL;
364 ret = security_ops->inode_alloc_security(inode);
367 ret = ima_inode_alloc(inode);
369 security_inode_free(inode);
373 void security_inode_free(struct inode *inode)
375 ima_inode_free(inode);
376 security_ops->inode_free_security(inode);
379 int security_inode_init_security(struct inode *inode, struct inode *dir,
380 char **name, void **value, size_t *len)
382 if (unlikely(IS_PRIVATE(inode)))
384 return security_ops->inode_init_security(inode, dir, name, value, len);
386 EXPORT_SYMBOL(security_inode_init_security);
388 #ifdef CONFIG_SECURITY_PATH
389 int security_path_mknod(struct path *path, struct dentry *dentry, int mode,
392 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
394 return security_ops->path_mknod(path, dentry, mode, dev);
396 EXPORT_SYMBOL(security_path_mknod);
398 int security_path_mkdir(struct path *path, struct dentry *dentry, int mode)
400 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
402 return security_ops->path_mkdir(path, dentry, mode);
405 int security_path_rmdir(struct path *path, struct dentry *dentry)
407 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
409 return security_ops->path_rmdir(path, dentry);
412 int security_path_unlink(struct path *path, struct dentry *dentry)
414 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
416 return security_ops->path_unlink(path, dentry);
419 int security_path_symlink(struct path *path, struct dentry *dentry,
420 const char *old_name)
422 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
424 return security_ops->path_symlink(path, dentry, old_name);
427 int security_path_link(struct dentry *old_dentry, struct path *new_dir,
428 struct dentry *new_dentry)
430 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
432 return security_ops->path_link(old_dentry, new_dir, new_dentry);
435 int security_path_rename(struct path *old_dir, struct dentry *old_dentry,
436 struct path *new_dir, struct dentry *new_dentry)
438 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
439 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
441 return security_ops->path_rename(old_dir, old_dentry, new_dir,
445 int security_path_truncate(struct path *path, loff_t length,
446 unsigned int time_attrs)
448 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
450 return security_ops->path_truncate(path, length, time_attrs);
453 int security_path_chmod(struct dentry *dentry, struct vfsmount *mnt,
456 if (unlikely(IS_PRIVATE(dentry->d_inode)))
458 return security_ops->path_chmod(dentry, mnt, mode);
461 int security_path_chown(struct path *path, uid_t uid, gid_t gid)
463 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
465 return security_ops->path_chown(path, uid, gid);
468 int security_path_chroot(struct path *path)
470 return security_ops->path_chroot(path);
474 int security_inode_create(struct inode *dir, struct dentry *dentry, int mode)
476 if (unlikely(IS_PRIVATE(dir)))
478 return security_ops->inode_create(dir, dentry, mode);
480 EXPORT_SYMBOL_GPL(security_inode_create);
482 int security_inode_link(struct dentry *old_dentry, struct inode *dir,
483 struct dentry *new_dentry)
485 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
487 return security_ops->inode_link(old_dentry, dir, new_dentry);
490 int security_inode_unlink(struct inode *dir, struct dentry *dentry)
492 if (unlikely(IS_PRIVATE(dentry->d_inode)))
494 return security_ops->inode_unlink(dir, dentry);
497 int security_inode_symlink(struct inode *dir, struct dentry *dentry,
498 const char *old_name)
500 if (unlikely(IS_PRIVATE(dir)))
502 return security_ops->inode_symlink(dir, dentry, old_name);
505 int security_inode_mkdir(struct inode *dir, struct dentry *dentry, int mode)
507 if (unlikely(IS_PRIVATE(dir)))
509 return security_ops->inode_mkdir(dir, dentry, mode);
511 EXPORT_SYMBOL_GPL(security_inode_mkdir);
513 int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
515 if (unlikely(IS_PRIVATE(dentry->d_inode)))
517 return security_ops->inode_rmdir(dir, dentry);
520 int security_inode_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
522 if (unlikely(IS_PRIVATE(dir)))
524 return security_ops->inode_mknod(dir, dentry, mode, dev);
527 int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
528 struct inode *new_dir, struct dentry *new_dentry)
530 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
531 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
533 return security_ops->inode_rename(old_dir, old_dentry,
534 new_dir, new_dentry);
537 int security_inode_readlink(struct dentry *dentry)
539 if (unlikely(IS_PRIVATE(dentry->d_inode)))
541 return security_ops->inode_readlink(dentry);
544 int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd)
546 if (unlikely(IS_PRIVATE(dentry->d_inode)))
548 return security_ops->inode_follow_link(dentry, nd);
551 int security_inode_permission(struct inode *inode, int mask)
553 if (unlikely(IS_PRIVATE(inode)))
555 return security_ops->inode_permission(inode, mask);
558 int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
560 if (unlikely(IS_PRIVATE(dentry->d_inode)))
562 return security_ops->inode_setattr(dentry, attr);
564 EXPORT_SYMBOL_GPL(security_inode_setattr);
566 int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
568 if (unlikely(IS_PRIVATE(dentry->d_inode)))
570 return security_ops->inode_getattr(mnt, dentry);
573 void security_inode_delete(struct inode *inode)
575 if (unlikely(IS_PRIVATE(inode)))
577 security_ops->inode_delete(inode);
580 int security_inode_setxattr(struct dentry *dentry, const char *name,
581 const void *value, size_t size, int flags)
583 if (unlikely(IS_PRIVATE(dentry->d_inode)))
585 return security_ops->inode_setxattr(dentry, name, value, size, flags);
588 void security_inode_post_setxattr(struct dentry *dentry, const char *name,
589 const void *value, size_t size, int flags)
591 if (unlikely(IS_PRIVATE(dentry->d_inode)))
593 security_ops->inode_post_setxattr(dentry, name, value, size, flags);
596 int security_inode_getxattr(struct dentry *dentry, const char *name)
598 if (unlikely(IS_PRIVATE(dentry->d_inode)))
600 return security_ops->inode_getxattr(dentry, name);
603 int security_inode_listxattr(struct dentry *dentry)
605 if (unlikely(IS_PRIVATE(dentry->d_inode)))
607 return security_ops->inode_listxattr(dentry);
610 int security_inode_removexattr(struct dentry *dentry, const char *name)
612 if (unlikely(IS_PRIVATE(dentry->d_inode)))
614 return security_ops->inode_removexattr(dentry, name);
617 int security_inode_need_killpriv(struct dentry *dentry)
619 return security_ops->inode_need_killpriv(dentry);
622 int security_inode_killpriv(struct dentry *dentry)
624 return security_ops->inode_killpriv(dentry);
627 int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
629 if (unlikely(IS_PRIVATE(inode)))
631 return security_ops->inode_getsecurity(inode, name, buffer, alloc);
634 int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
636 if (unlikely(IS_PRIVATE(inode)))
638 return security_ops->inode_setsecurity(inode, name, value, size, flags);
641 int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
643 if (unlikely(IS_PRIVATE(inode)))
645 return security_ops->inode_listsecurity(inode, buffer, buffer_size);
648 void security_inode_getsecid(const struct inode *inode, u32 *secid)
650 security_ops->inode_getsecid(inode, secid);
653 int security_file_permission(struct file *file, int mask)
655 return security_ops->file_permission(file, mask);
658 int security_file_alloc(struct file *file)
660 return security_ops->file_alloc_security(file);
663 void security_file_free(struct file *file)
665 security_ops->file_free_security(file);
670 int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
672 return security_ops->file_ioctl(file, cmd, arg);
675 int security_file_mmap(struct file *file, unsigned long reqprot,
676 unsigned long prot, unsigned long flags,
677 unsigned long addr, unsigned long addr_only)
681 ret = security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only);
684 return ima_file_mmap(file, prot);
687 int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
690 return security_ops->file_mprotect(vma, reqprot, prot);
693 int security_file_lock(struct file *file, unsigned int cmd)
695 return security_ops->file_lock(file, cmd);
698 int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
700 return security_ops->file_fcntl(file, cmd, arg);
703 int security_file_set_fowner(struct file *file)
705 return security_ops->file_set_fowner(file);
708 int security_file_send_sigiotask(struct task_struct *tsk,
709 struct fown_struct *fown, int sig)
711 return security_ops->file_send_sigiotask(tsk, fown, sig);
714 int security_file_receive(struct file *file)
716 return security_ops->file_receive(file);
719 int security_dentry_open(struct file *file, const struct cred *cred)
721 return security_ops->dentry_open(file, cred);
724 int security_task_create(unsigned long clone_flags)
726 return security_ops->task_create(clone_flags);
729 int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
731 return security_ops->cred_alloc_blank(cred, gfp);
734 void security_cred_free(struct cred *cred)
736 security_ops->cred_free(cred);
739 int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp)
741 return security_ops->cred_prepare(new, old, gfp);
744 void security_commit_creds(struct cred *new, const struct cred *old)
746 security_ops->cred_commit(new, old);
749 void security_transfer_creds(struct cred *new, const struct cred *old)
751 security_ops->cred_transfer(new, old);
754 int security_kernel_act_as(struct cred *new, u32 secid)
756 return security_ops->kernel_act_as(new, secid);
759 int security_kernel_create_files_as(struct cred *new, struct inode *inode)
761 return security_ops->kernel_create_files_as(new, inode);
764 int security_kernel_module_request(void)
766 return security_ops->kernel_module_request();
769 int security_task_setuid(uid_t id0, uid_t id1, uid_t id2, int flags)
771 return security_ops->task_setuid(id0, id1, id2, flags);
774 int security_task_fix_setuid(struct cred *new, const struct cred *old,
777 return security_ops->task_fix_setuid(new, old, flags);
780 int security_task_setgid(gid_t id0, gid_t id1, gid_t id2, int flags)
782 return security_ops->task_setgid(id0, id1, id2, flags);
785 int security_task_setpgid(struct task_struct *p, pid_t pgid)
787 return security_ops->task_setpgid(p, pgid);
790 int security_task_getpgid(struct task_struct *p)
792 return security_ops->task_getpgid(p);
795 int security_task_getsid(struct task_struct *p)
797 return security_ops->task_getsid(p);
800 void security_task_getsecid(struct task_struct *p, u32 *secid)
802 security_ops->task_getsecid(p, secid);
804 EXPORT_SYMBOL(security_task_getsecid);
806 int security_task_setgroups(struct group_info *group_info)
808 return security_ops->task_setgroups(group_info);
811 int security_task_setnice(struct task_struct *p, int nice)
813 return security_ops->task_setnice(p, nice);
816 int security_task_setioprio(struct task_struct *p, int ioprio)
818 return security_ops->task_setioprio(p, ioprio);
821 int security_task_getioprio(struct task_struct *p)
823 return security_ops->task_getioprio(p);
826 int security_task_setrlimit(unsigned int resource, struct rlimit *new_rlim)
828 return security_ops->task_setrlimit(resource, new_rlim);
831 int security_task_setscheduler(struct task_struct *p,
832 int policy, struct sched_param *lp)
834 return security_ops->task_setscheduler(p, policy, lp);
837 int security_task_getscheduler(struct task_struct *p)
839 return security_ops->task_getscheduler(p);
842 int security_task_movememory(struct task_struct *p)
844 return security_ops->task_movememory(p);
847 int security_task_kill(struct task_struct *p, struct siginfo *info,
850 return security_ops->task_kill(p, info, sig, secid);
853 int security_task_wait(struct task_struct *p)
855 return security_ops->task_wait(p);
858 int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
859 unsigned long arg4, unsigned long arg5)
861 return security_ops->task_prctl(option, arg2, arg3, arg4, arg5);
864 void security_task_to_inode(struct task_struct *p, struct inode *inode)
866 security_ops->task_to_inode(p, inode);
869 int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
871 return security_ops->ipc_permission(ipcp, flag);
874 void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
876 security_ops->ipc_getsecid(ipcp, secid);
879 int security_msg_msg_alloc(struct msg_msg *msg)
881 return security_ops->msg_msg_alloc_security(msg);
884 void security_msg_msg_free(struct msg_msg *msg)
886 security_ops->msg_msg_free_security(msg);
889 int security_msg_queue_alloc(struct msg_queue *msq)
891 return security_ops->msg_queue_alloc_security(msq);
894 void security_msg_queue_free(struct msg_queue *msq)
896 security_ops->msg_queue_free_security(msq);
899 int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
901 return security_ops->msg_queue_associate(msq, msqflg);
904 int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
906 return security_ops->msg_queue_msgctl(msq, cmd);
909 int security_msg_queue_msgsnd(struct msg_queue *msq,
910 struct msg_msg *msg, int msqflg)
912 return security_ops->msg_queue_msgsnd(msq, msg, msqflg);
915 int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
916 struct task_struct *target, long type, int mode)
918 return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode);
921 int security_shm_alloc(struct shmid_kernel *shp)
923 return security_ops->shm_alloc_security(shp);
926 void security_shm_free(struct shmid_kernel *shp)
928 security_ops->shm_free_security(shp);
931 int security_shm_associate(struct shmid_kernel *shp, int shmflg)
933 return security_ops->shm_associate(shp, shmflg);
936 int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
938 return security_ops->shm_shmctl(shp, cmd);
941 int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
943 return security_ops->shm_shmat(shp, shmaddr, shmflg);
946 int security_sem_alloc(struct sem_array *sma)
948 return security_ops->sem_alloc_security(sma);
951 void security_sem_free(struct sem_array *sma)
953 security_ops->sem_free_security(sma);
956 int security_sem_associate(struct sem_array *sma, int semflg)
958 return security_ops->sem_associate(sma, semflg);
961 int security_sem_semctl(struct sem_array *sma, int cmd)
963 return security_ops->sem_semctl(sma, cmd);
966 int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
967 unsigned nsops, int alter)
969 return security_ops->sem_semop(sma, sops, nsops, alter);
972 void security_d_instantiate(struct dentry *dentry, struct inode *inode)
974 if (unlikely(inode && IS_PRIVATE(inode)))
976 security_ops->d_instantiate(dentry, inode);
978 EXPORT_SYMBOL(security_d_instantiate);
980 int security_getprocattr(struct task_struct *p, char *name, char **value)
982 return security_ops->getprocattr(p, name, value);
985 int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
987 return security_ops->setprocattr(p, name, value, size);
990 int security_netlink_send(struct sock *sk, struct sk_buff *skb)
992 return security_ops->netlink_send(sk, skb);
995 int security_netlink_recv(struct sk_buff *skb, int cap)
997 return security_ops->netlink_recv(skb, cap);
999 EXPORT_SYMBOL(security_netlink_recv);
1001 int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
1003 return security_ops->secid_to_secctx(secid, secdata, seclen);
1005 EXPORT_SYMBOL(security_secid_to_secctx);
1007 int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
1009 return security_ops->secctx_to_secid(secdata, seclen, secid);
1011 EXPORT_SYMBOL(security_secctx_to_secid);
1013 void security_release_secctx(char *secdata, u32 seclen)
1015 security_ops->release_secctx(secdata, seclen);
1017 EXPORT_SYMBOL(security_release_secctx);
1019 int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
1021 return security_ops->inode_notifysecctx(inode, ctx, ctxlen);
1023 EXPORT_SYMBOL(security_inode_notifysecctx);
1025 int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
1027 return security_ops->inode_setsecctx(dentry, ctx, ctxlen);
1029 EXPORT_SYMBOL(security_inode_setsecctx);
1031 int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
1033 return security_ops->inode_getsecctx(inode, ctx, ctxlen);
1035 EXPORT_SYMBOL(security_inode_getsecctx);
1037 #ifdef CONFIG_SECURITY_NETWORK
1039 int security_unix_stream_connect(struct socket *sock, struct socket *other,
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);
1153 void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1155 security_ops->sk_getsecid(sk, &fl->secid);
1157 EXPORT_SYMBOL(security_sk_classify_flow);
1159 void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1161 security_ops->req_classify_flow(req, fl);
1163 EXPORT_SYMBOL(security_req_classify_flow);
1165 void security_sock_graft(struct sock *sk, struct socket *parent)
1167 security_ops->sock_graft(sk, parent);
1169 EXPORT_SYMBOL(security_sock_graft);
1171 int security_inet_conn_request(struct sock *sk,
1172 struct sk_buff *skb, struct request_sock *req)
1174 return security_ops->inet_conn_request(sk, skb, req);
1176 EXPORT_SYMBOL(security_inet_conn_request);
1178 void security_inet_csk_clone(struct sock *newsk,
1179 const struct request_sock *req)
1181 security_ops->inet_csk_clone(newsk, req);
1184 void security_inet_conn_established(struct sock *sk,
1185 struct sk_buff *skb)
1187 security_ops->inet_conn_established(sk, skb);
1190 int security_tun_dev_create(void)
1192 return security_ops->tun_dev_create();
1194 EXPORT_SYMBOL(security_tun_dev_create);
1196 void security_tun_dev_post_create(struct sock *sk)
1198 return security_ops->tun_dev_post_create(sk);
1200 EXPORT_SYMBOL(security_tun_dev_post_create);
1202 int security_tun_dev_attach(struct sock *sk)
1204 return security_ops->tun_dev_attach(sk);
1206 EXPORT_SYMBOL(security_tun_dev_attach);
1208 #endif /* CONFIG_SECURITY_NETWORK */
1210 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1212 int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *sec_ctx)
1214 return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx);
1216 EXPORT_SYMBOL(security_xfrm_policy_alloc);
1218 int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
1219 struct xfrm_sec_ctx **new_ctxp)
1221 return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp);
1224 void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
1226 security_ops->xfrm_policy_free_security(ctx);
1228 EXPORT_SYMBOL(security_xfrm_policy_free);
1230 int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
1232 return security_ops->xfrm_policy_delete_security(ctx);
1235 int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx)
1237 return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0);
1239 EXPORT_SYMBOL(security_xfrm_state_alloc);
1241 int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1242 struct xfrm_sec_ctx *polsec, u32 secid)
1247 * We want the context to be taken from secid which is usually
1250 return security_ops->xfrm_state_alloc_security(x, NULL, secid);
1253 int security_xfrm_state_delete(struct xfrm_state *x)
1255 return security_ops->xfrm_state_delete_security(x);
1257 EXPORT_SYMBOL(security_xfrm_state_delete);
1259 void security_xfrm_state_free(struct xfrm_state *x)
1261 security_ops->xfrm_state_free_security(x);
1264 int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
1266 return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir);
1269 int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1270 struct xfrm_policy *xp, struct flowi *fl)
1272 return security_ops->xfrm_state_pol_flow_match(x, xp, fl);
1275 int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1277 return security_ops->xfrm_decode_session(skb, secid, 1);
1280 void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1282 int rc = security_ops->xfrm_decode_session(skb, &fl->secid, 0);
1286 EXPORT_SYMBOL(security_skb_classify_flow);
1288 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1292 int security_key_alloc(struct key *key, const struct cred *cred,
1293 unsigned long flags)
1295 return security_ops->key_alloc(key, cred, flags);
1298 void security_key_free(struct key *key)
1300 security_ops->key_free(key);
1303 int security_key_permission(key_ref_t key_ref,
1304 const struct cred *cred, key_perm_t perm)
1306 return security_ops->key_permission(key_ref, cred, perm);
1309 int security_key_getsecurity(struct key *key, char **_buffer)
1311 return security_ops->key_getsecurity(key, _buffer);
1314 int security_key_session_to_parent(const struct cred *cred,
1315 const struct cred *parent_cred,
1318 return security_ops->key_session_to_parent(cred, parent_cred, key);
1321 #endif /* CONFIG_KEYS */
1325 int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
1327 return security_ops->audit_rule_init(field, op, rulestr, lsmrule);
1330 int security_audit_rule_known(struct audit_krule *krule)
1332 return security_ops->audit_rule_known(krule);
1335 void security_audit_rule_free(void *lsmrule)
1337 security_ops->audit_rule_free(lsmrule);
1340 int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1341 struct audit_context *actx)
1343 return security_ops->audit_rule_match(secid, field, op, lsmrule, actx);
1346 #endif /* CONFIG_AUDIT */