x86: arch/x86/mm/init_32.c cleanup
[wrt350n-kernel.git] / security / security.c
blobca475ca206e4b3afe51ad7bdee1c30fe8398c892
1 /*
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>
21 /* things that live in dummy.c */
22 extern struct security_operations dummy_security_ops;
23 extern void security_fixup_ops(struct security_operations *ops);
25 struct security_operations *security_ops; /* Initialized to NULL */
26 unsigned long mmap_min_addr; /* 0 means no protection */
28 static inline int verify(struct security_operations *ops)
30 /* verify the security_operations structure exists */
31 if (!ops)
32 return -EINVAL;
33 security_fixup_ops(ops);
34 return 0;
37 static void __init do_security_initcalls(void)
39 initcall_t *call;
40 call = __security_initcall_start;
41 while (call < __security_initcall_end) {
42 (*call) ();
43 call++;
47 /**
48 * security_init - initializes the security framework
50 * This should be called early in the kernel initialization sequence.
52 int __init security_init(void)
54 printk(KERN_INFO "Security Framework initialized\n");
56 if (verify(&dummy_security_ops)) {
57 printk(KERN_ERR "%s could not verify "
58 "dummy_security_ops structure.\n", __FUNCTION__);
59 return -EIO;
62 security_ops = &dummy_security_ops;
63 do_security_initcalls();
65 return 0;
68 /**
69 * register_security - registers a security framework with the kernel
70 * @ops: a pointer to the struct security_options that is to be registered
72 * This function is to allow a security module to register itself with the
73 * kernel security subsystem. Some rudimentary checking is done on the @ops
74 * value passed to this function.
76 * If there is already a security module registered with the kernel,
77 * an error will be returned. Otherwise 0 is returned on success.
79 int register_security(struct security_operations *ops)
81 if (verify(ops)) {
82 printk(KERN_DEBUG "%s could not verify "
83 "security_operations structure.\n", __FUNCTION__);
84 return -EINVAL;
87 if (security_ops != &dummy_security_ops)
88 return -EAGAIN;
90 security_ops = ops;
92 return 0;
95 /**
96 * mod_reg_security - allows security modules to be "stacked"
97 * @name: a pointer to a string with the name of the security_options to be registered
98 * @ops: a pointer to the struct security_options that is to be registered
100 * This function allows security modules to be stacked if the currently loaded
101 * security module allows this to happen. It passes the @name and @ops to the
102 * register_security function of the currently loaded security module.
104 * The return value depends on the currently loaded security module, with 0 as
105 * success.
107 int mod_reg_security(const char *name, struct security_operations *ops)
109 if (verify(ops)) {
110 printk(KERN_INFO "%s could not verify "
111 "security operations.\n", __FUNCTION__);
112 return -EINVAL;
115 if (ops == security_ops) {
116 printk(KERN_INFO "%s security operations "
117 "already registered.\n", __FUNCTION__);
118 return -EINVAL;
121 return security_ops->register_security(name, ops);
124 /* Security operations */
126 int security_ptrace(struct task_struct *parent, struct task_struct *child)
128 return security_ops->ptrace(parent, child);
131 int security_capget(struct task_struct *target,
132 kernel_cap_t *effective,
133 kernel_cap_t *inheritable,
134 kernel_cap_t *permitted)
136 return security_ops->capget(target, effective, inheritable, permitted);
139 int security_capset_check(struct task_struct *target,
140 kernel_cap_t *effective,
141 kernel_cap_t *inheritable,
142 kernel_cap_t *permitted)
144 return security_ops->capset_check(target, effective, inheritable, permitted);
147 void security_capset_set(struct task_struct *target,
148 kernel_cap_t *effective,
149 kernel_cap_t *inheritable,
150 kernel_cap_t *permitted)
152 security_ops->capset_set(target, effective, inheritable, permitted);
155 int security_capable(struct task_struct *tsk, int cap)
157 return security_ops->capable(tsk, cap);
160 int security_acct(struct file *file)
162 return security_ops->acct(file);
165 int security_sysctl(struct ctl_table *table, int op)
167 return security_ops->sysctl(table, op);
170 int security_quotactl(int cmds, int type, int id, struct super_block *sb)
172 return security_ops->quotactl(cmds, type, id, sb);
175 int security_quota_on(struct dentry *dentry)
177 return security_ops->quota_on(dentry);
180 int security_syslog(int type)
182 return security_ops->syslog(type);
185 int security_settime(struct timespec *ts, struct timezone *tz)
187 return security_ops->settime(ts, tz);
190 int security_vm_enough_memory(long pages)
192 return security_ops->vm_enough_memory(current->mm, pages);
195 int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
197 return security_ops->vm_enough_memory(mm, pages);
200 int security_bprm_alloc(struct linux_binprm *bprm)
202 return security_ops->bprm_alloc_security(bprm);
205 void security_bprm_free(struct linux_binprm *bprm)
207 security_ops->bprm_free_security(bprm);
210 void security_bprm_apply_creds(struct linux_binprm *bprm, int unsafe)
212 security_ops->bprm_apply_creds(bprm, unsafe);
215 void security_bprm_post_apply_creds(struct linux_binprm *bprm)
217 security_ops->bprm_post_apply_creds(bprm);
220 int security_bprm_set(struct linux_binprm *bprm)
222 return security_ops->bprm_set_security(bprm);
225 int security_bprm_check(struct linux_binprm *bprm)
227 return security_ops->bprm_check_security(bprm);
230 int security_bprm_secureexec(struct linux_binprm *bprm)
232 return security_ops->bprm_secureexec(bprm);
235 int security_sb_alloc(struct super_block *sb)
237 return security_ops->sb_alloc_security(sb);
240 void security_sb_free(struct super_block *sb)
242 security_ops->sb_free_security(sb);
245 int security_sb_copy_data(struct file_system_type *type, void *orig, void *copy)
247 return security_ops->sb_copy_data(type, orig, copy);
250 int security_sb_kern_mount(struct super_block *sb, void *data)
252 return security_ops->sb_kern_mount(sb, data);
255 int security_sb_statfs(struct dentry *dentry)
257 return security_ops->sb_statfs(dentry);
260 int security_sb_mount(char *dev_name, struct nameidata *nd,
261 char *type, unsigned long flags, void *data)
263 return security_ops->sb_mount(dev_name, nd, type, flags, data);
266 int security_sb_check_sb(struct vfsmount *mnt, struct nameidata *nd)
268 return security_ops->sb_check_sb(mnt, nd);
271 int security_sb_umount(struct vfsmount *mnt, int flags)
273 return security_ops->sb_umount(mnt, flags);
276 void security_sb_umount_close(struct vfsmount *mnt)
278 security_ops->sb_umount_close(mnt);
281 void security_sb_umount_busy(struct vfsmount *mnt)
283 security_ops->sb_umount_busy(mnt);
286 void security_sb_post_remount(struct vfsmount *mnt, unsigned long flags, void *data)
288 security_ops->sb_post_remount(mnt, flags, data);
291 void security_sb_post_addmount(struct vfsmount *mnt, struct nameidata *mountpoint_nd)
293 security_ops->sb_post_addmount(mnt, mountpoint_nd);
296 int security_sb_pivotroot(struct nameidata *old_nd, struct nameidata *new_nd)
298 return security_ops->sb_pivotroot(old_nd, new_nd);
301 void security_sb_post_pivotroot(struct nameidata *old_nd, struct nameidata *new_nd)
303 security_ops->sb_post_pivotroot(old_nd, new_nd);
306 int security_sb_get_mnt_opts(const struct super_block *sb,
307 char ***mount_options,
308 int **flags, int *num_opts)
310 return security_ops->sb_get_mnt_opts(sb, mount_options, flags, num_opts);
313 int security_sb_set_mnt_opts(struct super_block *sb,
314 char **mount_options,
315 int *flags, int num_opts)
317 return security_ops->sb_set_mnt_opts(sb, mount_options, flags, num_opts);
320 void security_sb_clone_mnt_opts(const struct super_block *oldsb,
321 struct super_block *newsb)
323 security_ops->sb_clone_mnt_opts(oldsb, newsb);
326 int security_inode_alloc(struct inode *inode)
328 inode->i_security = NULL;
329 return security_ops->inode_alloc_security(inode);
332 void security_inode_free(struct inode *inode)
334 security_ops->inode_free_security(inode);
337 int security_inode_init_security(struct inode *inode, struct inode *dir,
338 char **name, void **value, size_t *len)
340 if (unlikely(IS_PRIVATE(inode)))
341 return -EOPNOTSUPP;
342 return security_ops->inode_init_security(inode, dir, name, value, len);
344 EXPORT_SYMBOL(security_inode_init_security);
346 int security_inode_create(struct inode *dir, struct dentry *dentry, int mode)
348 if (unlikely(IS_PRIVATE(dir)))
349 return 0;
350 return security_ops->inode_create(dir, dentry, mode);
353 int security_inode_link(struct dentry *old_dentry, struct inode *dir,
354 struct dentry *new_dentry)
356 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
357 return 0;
358 return security_ops->inode_link(old_dentry, dir, new_dentry);
361 int security_inode_unlink(struct inode *dir, struct dentry *dentry)
363 if (unlikely(IS_PRIVATE(dentry->d_inode)))
364 return 0;
365 return security_ops->inode_unlink(dir, dentry);
368 int security_inode_symlink(struct inode *dir, struct dentry *dentry,
369 const char *old_name)
371 if (unlikely(IS_PRIVATE(dir)))
372 return 0;
373 return security_ops->inode_symlink(dir, dentry, old_name);
376 int security_inode_mkdir(struct inode *dir, struct dentry *dentry, int mode)
378 if (unlikely(IS_PRIVATE(dir)))
379 return 0;
380 return security_ops->inode_mkdir(dir, dentry, mode);
383 int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
385 if (unlikely(IS_PRIVATE(dentry->d_inode)))
386 return 0;
387 return security_ops->inode_rmdir(dir, dentry);
390 int security_inode_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
392 if (unlikely(IS_PRIVATE(dir)))
393 return 0;
394 return security_ops->inode_mknod(dir, dentry, mode, dev);
397 int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
398 struct inode *new_dir, struct dentry *new_dentry)
400 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
401 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
402 return 0;
403 return security_ops->inode_rename(old_dir, old_dentry,
404 new_dir, new_dentry);
407 int security_inode_readlink(struct dentry *dentry)
409 if (unlikely(IS_PRIVATE(dentry->d_inode)))
410 return 0;
411 return security_ops->inode_readlink(dentry);
414 int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd)
416 if (unlikely(IS_PRIVATE(dentry->d_inode)))
417 return 0;
418 return security_ops->inode_follow_link(dentry, nd);
421 int security_inode_permission(struct inode *inode, int mask, struct nameidata *nd)
423 if (unlikely(IS_PRIVATE(inode)))
424 return 0;
425 return security_ops->inode_permission(inode, mask, nd);
428 int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
430 if (unlikely(IS_PRIVATE(dentry->d_inode)))
431 return 0;
432 return security_ops->inode_setattr(dentry, attr);
435 int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
437 if (unlikely(IS_PRIVATE(dentry->d_inode)))
438 return 0;
439 return security_ops->inode_getattr(mnt, dentry);
442 void security_inode_delete(struct inode *inode)
444 if (unlikely(IS_PRIVATE(inode)))
445 return;
446 security_ops->inode_delete(inode);
449 int security_inode_setxattr(struct dentry *dentry, char *name,
450 void *value, size_t size, int flags)
452 if (unlikely(IS_PRIVATE(dentry->d_inode)))
453 return 0;
454 return security_ops->inode_setxattr(dentry, name, value, size, flags);
457 void security_inode_post_setxattr(struct dentry *dentry, char *name,
458 void *value, size_t size, int flags)
460 if (unlikely(IS_PRIVATE(dentry->d_inode)))
461 return;
462 security_ops->inode_post_setxattr(dentry, name, value, size, flags);
465 int security_inode_getxattr(struct dentry *dentry, char *name)
467 if (unlikely(IS_PRIVATE(dentry->d_inode)))
468 return 0;
469 return security_ops->inode_getxattr(dentry, name);
472 int security_inode_listxattr(struct dentry *dentry)
474 if (unlikely(IS_PRIVATE(dentry->d_inode)))
475 return 0;
476 return security_ops->inode_listxattr(dentry);
479 int security_inode_removexattr(struct dentry *dentry, char *name)
481 if (unlikely(IS_PRIVATE(dentry->d_inode)))
482 return 0;
483 return security_ops->inode_removexattr(dentry, name);
486 int security_inode_need_killpriv(struct dentry *dentry)
488 return security_ops->inode_need_killpriv(dentry);
491 int security_inode_killpriv(struct dentry *dentry)
493 return security_ops->inode_killpriv(dentry);
496 int security_inode_getsecurity(const struct inode *inode, const char *name, void *buffer, size_t size, int err)
498 if (unlikely(IS_PRIVATE(inode)))
499 return 0;
500 return security_ops->inode_getsecurity(inode, name, buffer, size, err);
503 int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
505 if (unlikely(IS_PRIVATE(inode)))
506 return 0;
507 return security_ops->inode_setsecurity(inode, name, value, size, flags);
510 int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
512 if (unlikely(IS_PRIVATE(inode)))
513 return 0;
514 return security_ops->inode_listsecurity(inode, buffer, buffer_size);
517 int security_file_permission(struct file *file, int mask)
519 return security_ops->file_permission(file, mask);
522 int security_file_alloc(struct file *file)
524 return security_ops->file_alloc_security(file);
527 void security_file_free(struct file *file)
529 security_ops->file_free_security(file);
532 int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
534 return security_ops->file_ioctl(file, cmd, arg);
537 int security_file_mmap(struct file *file, unsigned long reqprot,
538 unsigned long prot, unsigned long flags,
539 unsigned long addr, unsigned long addr_only)
541 return security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only);
544 int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
545 unsigned long prot)
547 return security_ops->file_mprotect(vma, reqprot, prot);
550 int security_file_lock(struct file *file, unsigned int cmd)
552 return security_ops->file_lock(file, cmd);
555 int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
557 return security_ops->file_fcntl(file, cmd, arg);
560 int security_file_set_fowner(struct file *file)
562 return security_ops->file_set_fowner(file);
565 int security_file_send_sigiotask(struct task_struct *tsk,
566 struct fown_struct *fown, int sig)
568 return security_ops->file_send_sigiotask(tsk, fown, sig);
571 int security_file_receive(struct file *file)
573 return security_ops->file_receive(file);
576 int security_dentry_open(struct file *file)
578 return security_ops->dentry_open(file);
581 int security_task_create(unsigned long clone_flags)
583 return security_ops->task_create(clone_flags);
586 int security_task_alloc(struct task_struct *p)
588 return security_ops->task_alloc_security(p);
591 void security_task_free(struct task_struct *p)
593 security_ops->task_free_security(p);
596 int security_task_setuid(uid_t id0, uid_t id1, uid_t id2, int flags)
598 return security_ops->task_setuid(id0, id1, id2, flags);
601 int security_task_post_setuid(uid_t old_ruid, uid_t old_euid,
602 uid_t old_suid, int flags)
604 return security_ops->task_post_setuid(old_ruid, old_euid, old_suid, flags);
607 int security_task_setgid(gid_t id0, gid_t id1, gid_t id2, int flags)
609 return security_ops->task_setgid(id0, id1, id2, flags);
612 int security_task_setpgid(struct task_struct *p, pid_t pgid)
614 return security_ops->task_setpgid(p, pgid);
617 int security_task_getpgid(struct task_struct *p)
619 return security_ops->task_getpgid(p);
622 int security_task_getsid(struct task_struct *p)
624 return security_ops->task_getsid(p);
627 void security_task_getsecid(struct task_struct *p, u32 *secid)
629 security_ops->task_getsecid(p, secid);
631 EXPORT_SYMBOL(security_task_getsecid);
633 int security_task_setgroups(struct group_info *group_info)
635 return security_ops->task_setgroups(group_info);
638 int security_task_setnice(struct task_struct *p, int nice)
640 return security_ops->task_setnice(p, nice);
643 int security_task_setioprio(struct task_struct *p, int ioprio)
645 return security_ops->task_setioprio(p, ioprio);
648 int security_task_getioprio(struct task_struct *p)
650 return security_ops->task_getioprio(p);
653 int security_task_setrlimit(unsigned int resource, struct rlimit *new_rlim)
655 return security_ops->task_setrlimit(resource, new_rlim);
658 int security_task_setscheduler(struct task_struct *p,
659 int policy, struct sched_param *lp)
661 return security_ops->task_setscheduler(p, policy, lp);
664 int security_task_getscheduler(struct task_struct *p)
666 return security_ops->task_getscheduler(p);
669 int security_task_movememory(struct task_struct *p)
671 return security_ops->task_movememory(p);
674 int security_task_kill(struct task_struct *p, struct siginfo *info,
675 int sig, u32 secid)
677 return security_ops->task_kill(p, info, sig, secid);
680 int security_task_wait(struct task_struct *p)
682 return security_ops->task_wait(p);
685 int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
686 unsigned long arg4, unsigned long arg5)
688 return security_ops->task_prctl(option, arg2, arg3, arg4, arg5);
691 void security_task_reparent_to_init(struct task_struct *p)
693 security_ops->task_reparent_to_init(p);
696 void security_task_to_inode(struct task_struct *p, struct inode *inode)
698 security_ops->task_to_inode(p, inode);
701 int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
703 return security_ops->ipc_permission(ipcp, flag);
706 int security_msg_msg_alloc(struct msg_msg *msg)
708 return security_ops->msg_msg_alloc_security(msg);
711 void security_msg_msg_free(struct msg_msg *msg)
713 security_ops->msg_msg_free_security(msg);
716 int security_msg_queue_alloc(struct msg_queue *msq)
718 return security_ops->msg_queue_alloc_security(msq);
721 void security_msg_queue_free(struct msg_queue *msq)
723 security_ops->msg_queue_free_security(msq);
726 int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
728 return security_ops->msg_queue_associate(msq, msqflg);
731 int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
733 return security_ops->msg_queue_msgctl(msq, cmd);
736 int security_msg_queue_msgsnd(struct msg_queue *msq,
737 struct msg_msg *msg, int msqflg)
739 return security_ops->msg_queue_msgsnd(msq, msg, msqflg);
742 int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
743 struct task_struct *target, long type, int mode)
745 return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode);
748 int security_shm_alloc(struct shmid_kernel *shp)
750 return security_ops->shm_alloc_security(shp);
753 void security_shm_free(struct shmid_kernel *shp)
755 security_ops->shm_free_security(shp);
758 int security_shm_associate(struct shmid_kernel *shp, int shmflg)
760 return security_ops->shm_associate(shp, shmflg);
763 int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
765 return security_ops->shm_shmctl(shp, cmd);
768 int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
770 return security_ops->shm_shmat(shp, shmaddr, shmflg);
773 int security_sem_alloc(struct sem_array *sma)
775 return security_ops->sem_alloc_security(sma);
778 void security_sem_free(struct sem_array *sma)
780 security_ops->sem_free_security(sma);
783 int security_sem_associate(struct sem_array *sma, int semflg)
785 return security_ops->sem_associate(sma, semflg);
788 int security_sem_semctl(struct sem_array *sma, int cmd)
790 return security_ops->sem_semctl(sma, cmd);
793 int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
794 unsigned nsops, int alter)
796 return security_ops->sem_semop(sma, sops, nsops, alter);
799 void security_d_instantiate(struct dentry *dentry, struct inode *inode)
801 if (unlikely(inode && IS_PRIVATE(inode)))
802 return;
803 security_ops->d_instantiate(dentry, inode);
805 EXPORT_SYMBOL(security_d_instantiate);
807 int security_getprocattr(struct task_struct *p, char *name, char **value)
809 return security_ops->getprocattr(p, name, value);
812 int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
814 return security_ops->setprocattr(p, name, value, size);
817 int security_netlink_send(struct sock *sk, struct sk_buff *skb)
819 return security_ops->netlink_send(sk, skb);
822 int security_netlink_recv(struct sk_buff *skb, int cap)
824 return security_ops->netlink_recv(skb, cap);
826 EXPORT_SYMBOL(security_netlink_recv);
828 int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
830 return security_ops->secid_to_secctx(secid, secdata, seclen);
832 EXPORT_SYMBOL(security_secid_to_secctx);
834 int security_secctx_to_secid(char *secdata, u32 seclen, u32 *secid)
836 return security_ops->secctx_to_secid(secdata, seclen, secid);
838 EXPORT_SYMBOL(security_secctx_to_secid);
840 void security_release_secctx(char *secdata, u32 seclen)
842 return security_ops->release_secctx(secdata, seclen);
844 EXPORT_SYMBOL(security_release_secctx);
846 #ifdef CONFIG_SECURITY_NETWORK
848 int security_unix_stream_connect(struct socket *sock, struct socket *other,
849 struct sock *newsk)
851 return security_ops->unix_stream_connect(sock, other, newsk);
853 EXPORT_SYMBOL(security_unix_stream_connect);
855 int security_unix_may_send(struct socket *sock, struct socket *other)
857 return security_ops->unix_may_send(sock, other);
859 EXPORT_SYMBOL(security_unix_may_send);
861 int security_socket_create(int family, int type, int protocol, int kern)
863 return security_ops->socket_create(family, type, protocol, kern);
866 int security_socket_post_create(struct socket *sock, int family,
867 int type, int protocol, int kern)
869 return security_ops->socket_post_create(sock, family, type,
870 protocol, kern);
873 int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
875 return security_ops->socket_bind(sock, address, addrlen);
878 int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
880 return security_ops->socket_connect(sock, address, addrlen);
883 int security_socket_listen(struct socket *sock, int backlog)
885 return security_ops->socket_listen(sock, backlog);
888 int security_socket_accept(struct socket *sock, struct socket *newsock)
890 return security_ops->socket_accept(sock, newsock);
893 void security_socket_post_accept(struct socket *sock, struct socket *newsock)
895 security_ops->socket_post_accept(sock, newsock);
898 int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
900 return security_ops->socket_sendmsg(sock, msg, size);
903 int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
904 int size, int flags)
906 return security_ops->socket_recvmsg(sock, msg, size, flags);
909 int security_socket_getsockname(struct socket *sock)
911 return security_ops->socket_getsockname(sock);
914 int security_socket_getpeername(struct socket *sock)
916 return security_ops->socket_getpeername(sock);
919 int security_socket_getsockopt(struct socket *sock, int level, int optname)
921 return security_ops->socket_getsockopt(sock, level, optname);
924 int security_socket_setsockopt(struct socket *sock, int level, int optname)
926 return security_ops->socket_setsockopt(sock, level, optname);
929 int security_socket_shutdown(struct socket *sock, int how)
931 return security_ops->socket_shutdown(sock, how);
934 int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
936 return security_ops->socket_sock_rcv_skb(sk, skb);
938 EXPORT_SYMBOL(security_sock_rcv_skb);
940 int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
941 int __user *optlen, unsigned len)
943 return security_ops->socket_getpeersec_stream(sock, optval, optlen, len);
946 int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
948 return security_ops->socket_getpeersec_dgram(sock, skb, secid);
950 EXPORT_SYMBOL(security_socket_getpeersec_dgram);
952 int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
954 return security_ops->sk_alloc_security(sk, family, priority);
957 void security_sk_free(struct sock *sk)
959 return security_ops->sk_free_security(sk);
962 void security_sk_clone(const struct sock *sk, struct sock *newsk)
964 return security_ops->sk_clone_security(sk, newsk);
967 void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
969 security_ops->sk_getsecid(sk, &fl->secid);
971 EXPORT_SYMBOL(security_sk_classify_flow);
973 void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
975 security_ops->req_classify_flow(req, fl);
977 EXPORT_SYMBOL(security_req_classify_flow);
979 void security_sock_graft(struct sock *sk, struct socket *parent)
981 security_ops->sock_graft(sk, parent);
983 EXPORT_SYMBOL(security_sock_graft);
985 int security_inet_conn_request(struct sock *sk,
986 struct sk_buff *skb, struct request_sock *req)
988 return security_ops->inet_conn_request(sk, skb, req);
990 EXPORT_SYMBOL(security_inet_conn_request);
992 void security_inet_csk_clone(struct sock *newsk,
993 const struct request_sock *req)
995 security_ops->inet_csk_clone(newsk, req);
998 void security_inet_conn_established(struct sock *sk,
999 struct sk_buff *skb)
1001 security_ops->inet_conn_established(sk, skb);
1004 #endif /* CONFIG_SECURITY_NETWORK */
1006 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1008 int security_xfrm_policy_alloc(struct xfrm_policy *xp, struct xfrm_user_sec_ctx *sec_ctx)
1010 return security_ops->xfrm_policy_alloc_security(xp, sec_ctx);
1012 EXPORT_SYMBOL(security_xfrm_policy_alloc);
1014 int security_xfrm_policy_clone(struct xfrm_policy *old, struct xfrm_policy *new)
1016 return security_ops->xfrm_policy_clone_security(old, new);
1019 void security_xfrm_policy_free(struct xfrm_policy *xp)
1021 security_ops->xfrm_policy_free_security(xp);
1023 EXPORT_SYMBOL(security_xfrm_policy_free);
1025 int security_xfrm_policy_delete(struct xfrm_policy *xp)
1027 return security_ops->xfrm_policy_delete_security(xp);
1030 int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx)
1032 return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0);
1034 EXPORT_SYMBOL(security_xfrm_state_alloc);
1036 int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1037 struct xfrm_sec_ctx *polsec, u32 secid)
1039 if (!polsec)
1040 return 0;
1042 * We want the context to be taken from secid which is usually
1043 * from the sock.
1045 return security_ops->xfrm_state_alloc_security(x, NULL, secid);
1048 int security_xfrm_state_delete(struct xfrm_state *x)
1050 return security_ops->xfrm_state_delete_security(x);
1052 EXPORT_SYMBOL(security_xfrm_state_delete);
1054 void security_xfrm_state_free(struct xfrm_state *x)
1056 security_ops->xfrm_state_free_security(x);
1059 int security_xfrm_policy_lookup(struct xfrm_policy *xp, u32 fl_secid, u8 dir)
1061 return security_ops->xfrm_policy_lookup(xp, fl_secid, dir);
1064 int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1065 struct xfrm_policy *xp, struct flowi *fl)
1067 return security_ops->xfrm_state_pol_flow_match(x, xp, fl);
1070 int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1072 return security_ops->xfrm_decode_session(skb, secid, 1);
1075 void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1077 int rc = security_ops->xfrm_decode_session(skb, &fl->secid, 0);
1079 BUG_ON(rc);
1081 EXPORT_SYMBOL(security_skb_classify_flow);
1083 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1085 #ifdef CONFIG_KEYS
1087 int security_key_alloc(struct key *key, struct task_struct *tsk, unsigned long flags)
1089 return security_ops->key_alloc(key, tsk, flags);
1092 void security_key_free(struct key *key)
1094 security_ops->key_free(key);
1097 int security_key_permission(key_ref_t key_ref,
1098 struct task_struct *context, key_perm_t perm)
1100 return security_ops->key_permission(key_ref, context, perm);
1103 #endif /* CONFIG_KEYS */