Merge git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / security / security.c
blobd15e56cbaadeea25c550cfc985de2dbbfbf410fa
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 */
27 /* amount of vm to protect from userspace access */
28 unsigned long mmap_min_addr = CONFIG_SECURITY_DEFAULT_MMAP_MIN_ADDR;
30 static inline int verify(struct security_operations *ops)
32 /* verify the security_operations structure exists */
33 if (!ops)
34 return -EINVAL;
35 security_fixup_ops(ops);
36 return 0;
39 static void __init do_security_initcalls(void)
41 initcall_t *call;
42 call = __security_initcall_start;
43 while (call < __security_initcall_end) {
44 (*call) ();
45 call++;
49 /**
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 if (verify(&dummy_security_ops)) {
59 printk(KERN_ERR "%s could not verify "
60 "dummy_security_ops structure.\n", __FUNCTION__);
61 return -EIO;
64 security_ops = &dummy_security_ops;
65 do_security_initcalls();
67 return 0;
70 /**
71 * register_security - registers a security framework with the kernel
72 * @ops: a pointer to the struct security_options that is to be registered
74 * This function is to allow a security module to register itself with the
75 * kernel security subsystem. Some rudimentary checking is done on the @ops
76 * value passed to this function.
78 * If there is already a security module registered with the kernel,
79 * an error will be returned. Otherwise 0 is returned on success.
81 int register_security(struct security_operations *ops)
83 if (verify(ops)) {
84 printk(KERN_DEBUG "%s could not verify "
85 "security_operations structure.\n", __FUNCTION__);
86 return -EINVAL;
89 if (security_ops != &dummy_security_ops)
90 return -EAGAIN;
92 security_ops = ops;
94 return 0;
97 /**
98 * mod_reg_security - allows security modules to be "stacked"
99 * @name: a pointer to a string with the name of the security_options to be registered
100 * @ops: a pointer to the struct security_options that is to be registered
102 * This function allows security modules to be stacked if the currently loaded
103 * security module allows this to happen. It passes the @name and @ops to the
104 * register_security function of the currently loaded security module.
106 * The return value depends on the currently loaded security module, with 0 as
107 * success.
109 int mod_reg_security(const char *name, struct security_operations *ops)
111 if (verify(ops)) {
112 printk(KERN_INFO "%s could not verify "
113 "security operations.\n", __FUNCTION__);
114 return -EINVAL;
117 if (ops == security_ops) {
118 printk(KERN_INFO "%s security operations "
119 "already registered.\n", __FUNCTION__);
120 return -EINVAL;
123 return security_ops->register_security(name, ops);
126 /* Security operations */
128 int security_ptrace(struct task_struct *parent, struct task_struct *child)
130 return security_ops->ptrace(parent, child);
133 int security_capget(struct task_struct *target,
134 kernel_cap_t *effective,
135 kernel_cap_t *inheritable,
136 kernel_cap_t *permitted)
138 return security_ops->capget(target, effective, inheritable, permitted);
141 int security_capset_check(struct task_struct *target,
142 kernel_cap_t *effective,
143 kernel_cap_t *inheritable,
144 kernel_cap_t *permitted)
146 return security_ops->capset_check(target, effective, inheritable, permitted);
149 void security_capset_set(struct task_struct *target,
150 kernel_cap_t *effective,
151 kernel_cap_t *inheritable,
152 kernel_cap_t *permitted)
154 security_ops->capset_set(target, effective, inheritable, permitted);
157 int security_capable(struct task_struct *tsk, int cap)
159 return security_ops->capable(tsk, cap);
162 int security_acct(struct file *file)
164 return security_ops->acct(file);
167 int security_sysctl(struct ctl_table *table, int op)
169 return security_ops->sysctl(table, op);
172 int security_quotactl(int cmds, int type, int id, struct super_block *sb)
174 return security_ops->quotactl(cmds, type, id, sb);
177 int security_quota_on(struct dentry *dentry)
179 return security_ops->quota_on(dentry);
182 int security_syslog(int type)
184 return security_ops->syslog(type);
187 int security_settime(struct timespec *ts, struct timezone *tz)
189 return security_ops->settime(ts, tz);
192 int security_vm_enough_memory(long pages)
194 return security_ops->vm_enough_memory(current->mm, pages);
197 int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
199 return security_ops->vm_enough_memory(mm, pages);
202 int security_bprm_alloc(struct linux_binprm *bprm)
204 return security_ops->bprm_alloc_security(bprm);
207 void security_bprm_free(struct linux_binprm *bprm)
209 security_ops->bprm_free_security(bprm);
212 void security_bprm_apply_creds(struct linux_binprm *bprm, int unsafe)
214 security_ops->bprm_apply_creds(bprm, unsafe);
217 void security_bprm_post_apply_creds(struct linux_binprm *bprm)
219 security_ops->bprm_post_apply_creds(bprm);
222 int security_bprm_set(struct linux_binprm *bprm)
224 return security_ops->bprm_set_security(bprm);
227 int security_bprm_check(struct linux_binprm *bprm)
229 return security_ops->bprm_check_security(bprm);
232 int security_bprm_secureexec(struct linux_binprm *bprm)
234 return security_ops->bprm_secureexec(bprm);
237 int security_sb_alloc(struct super_block *sb)
239 return security_ops->sb_alloc_security(sb);
242 void security_sb_free(struct super_block *sb)
244 security_ops->sb_free_security(sb);
247 int security_sb_copy_data(struct file_system_type *type, void *orig, void *copy)
249 return security_ops->sb_copy_data(type, orig, copy);
252 int security_sb_kern_mount(struct super_block *sb, void *data)
254 return security_ops->sb_kern_mount(sb, data);
257 int security_sb_statfs(struct dentry *dentry)
259 return security_ops->sb_statfs(dentry);
262 int security_sb_mount(char *dev_name, struct nameidata *nd,
263 char *type, unsigned long flags, void *data)
265 return security_ops->sb_mount(dev_name, nd, type, flags, data);
268 int security_sb_check_sb(struct vfsmount *mnt, struct nameidata *nd)
270 return security_ops->sb_check_sb(mnt, nd);
273 int security_sb_umount(struct vfsmount *mnt, int flags)
275 return security_ops->sb_umount(mnt, flags);
278 void security_sb_umount_close(struct vfsmount *mnt)
280 security_ops->sb_umount_close(mnt);
283 void security_sb_umount_busy(struct vfsmount *mnt)
285 security_ops->sb_umount_busy(mnt);
288 void security_sb_post_remount(struct vfsmount *mnt, unsigned long flags, void *data)
290 security_ops->sb_post_remount(mnt, flags, data);
293 void security_sb_post_addmount(struct vfsmount *mnt, struct nameidata *mountpoint_nd)
295 security_ops->sb_post_addmount(mnt, mountpoint_nd);
298 int security_sb_pivotroot(struct nameidata *old_nd, struct nameidata *new_nd)
300 return security_ops->sb_pivotroot(old_nd, new_nd);
303 void security_sb_post_pivotroot(struct nameidata *old_nd, struct nameidata *new_nd)
305 security_ops->sb_post_pivotroot(old_nd, new_nd);
308 int security_sb_get_mnt_opts(const struct super_block *sb,
309 char ***mount_options,
310 int **flags, int *num_opts)
312 return security_ops->sb_get_mnt_opts(sb, mount_options, flags, num_opts);
315 int security_sb_set_mnt_opts(struct super_block *sb,
316 char **mount_options,
317 int *flags, int num_opts)
319 return security_ops->sb_set_mnt_opts(sb, mount_options, flags, num_opts);
322 void security_sb_clone_mnt_opts(const struct super_block *oldsb,
323 struct super_block *newsb)
325 security_ops->sb_clone_mnt_opts(oldsb, newsb);
328 int security_inode_alloc(struct inode *inode)
330 inode->i_security = NULL;
331 return security_ops->inode_alloc_security(inode);
334 void security_inode_free(struct inode *inode)
336 security_ops->inode_free_security(inode);
339 int security_inode_init_security(struct inode *inode, struct inode *dir,
340 char **name, void **value, size_t *len)
342 if (unlikely(IS_PRIVATE(inode)))
343 return -EOPNOTSUPP;
344 return security_ops->inode_init_security(inode, dir, name, value, len);
346 EXPORT_SYMBOL(security_inode_init_security);
348 int security_inode_create(struct inode *dir, struct dentry *dentry, int mode)
350 if (unlikely(IS_PRIVATE(dir)))
351 return 0;
352 return security_ops->inode_create(dir, dentry, mode);
355 int security_inode_link(struct dentry *old_dentry, struct inode *dir,
356 struct dentry *new_dentry)
358 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
359 return 0;
360 return security_ops->inode_link(old_dentry, dir, new_dentry);
363 int security_inode_unlink(struct inode *dir, struct dentry *dentry)
365 if (unlikely(IS_PRIVATE(dentry->d_inode)))
366 return 0;
367 return security_ops->inode_unlink(dir, dentry);
370 int security_inode_symlink(struct inode *dir, struct dentry *dentry,
371 const char *old_name)
373 if (unlikely(IS_PRIVATE(dir)))
374 return 0;
375 return security_ops->inode_symlink(dir, dentry, old_name);
378 int security_inode_mkdir(struct inode *dir, struct dentry *dentry, int mode)
380 if (unlikely(IS_PRIVATE(dir)))
381 return 0;
382 return security_ops->inode_mkdir(dir, dentry, mode);
385 int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
387 if (unlikely(IS_PRIVATE(dentry->d_inode)))
388 return 0;
389 return security_ops->inode_rmdir(dir, dentry);
392 int security_inode_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
394 if (unlikely(IS_PRIVATE(dir)))
395 return 0;
396 return security_ops->inode_mknod(dir, dentry, mode, dev);
399 int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
400 struct inode *new_dir, struct dentry *new_dentry)
402 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
403 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
404 return 0;
405 return security_ops->inode_rename(old_dir, old_dentry,
406 new_dir, new_dentry);
409 int security_inode_readlink(struct dentry *dentry)
411 if (unlikely(IS_PRIVATE(dentry->d_inode)))
412 return 0;
413 return security_ops->inode_readlink(dentry);
416 int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd)
418 if (unlikely(IS_PRIVATE(dentry->d_inode)))
419 return 0;
420 return security_ops->inode_follow_link(dentry, nd);
423 int security_inode_permission(struct inode *inode, int mask, struct nameidata *nd)
425 if (unlikely(IS_PRIVATE(inode)))
426 return 0;
427 return security_ops->inode_permission(inode, mask, nd);
430 int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
432 if (unlikely(IS_PRIVATE(dentry->d_inode)))
433 return 0;
434 return security_ops->inode_setattr(dentry, attr);
437 int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
439 if (unlikely(IS_PRIVATE(dentry->d_inode)))
440 return 0;
441 return security_ops->inode_getattr(mnt, dentry);
444 void security_inode_delete(struct inode *inode)
446 if (unlikely(IS_PRIVATE(inode)))
447 return;
448 security_ops->inode_delete(inode);
451 int security_inode_setxattr(struct dentry *dentry, char *name,
452 void *value, size_t size, int flags)
454 if (unlikely(IS_PRIVATE(dentry->d_inode)))
455 return 0;
456 return security_ops->inode_setxattr(dentry, name, value, size, flags);
459 void security_inode_post_setxattr(struct dentry *dentry, char *name,
460 void *value, size_t size, int flags)
462 if (unlikely(IS_PRIVATE(dentry->d_inode)))
463 return;
464 security_ops->inode_post_setxattr(dentry, name, value, size, flags);
467 int security_inode_getxattr(struct dentry *dentry, char *name)
469 if (unlikely(IS_PRIVATE(dentry->d_inode)))
470 return 0;
471 return security_ops->inode_getxattr(dentry, name);
474 int security_inode_listxattr(struct dentry *dentry)
476 if (unlikely(IS_PRIVATE(dentry->d_inode)))
477 return 0;
478 return security_ops->inode_listxattr(dentry);
481 int security_inode_removexattr(struct dentry *dentry, char *name)
483 if (unlikely(IS_PRIVATE(dentry->d_inode)))
484 return 0;
485 return security_ops->inode_removexattr(dentry, name);
488 int security_inode_need_killpriv(struct dentry *dentry)
490 return security_ops->inode_need_killpriv(dentry);
493 int security_inode_killpriv(struct dentry *dentry)
495 return security_ops->inode_killpriv(dentry);
498 int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
500 if (unlikely(IS_PRIVATE(inode)))
501 return 0;
502 return security_ops->inode_getsecurity(inode, name, buffer, alloc);
505 int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
507 if (unlikely(IS_PRIVATE(inode)))
508 return 0;
509 return security_ops->inode_setsecurity(inode, name, value, size, flags);
512 int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
514 if (unlikely(IS_PRIVATE(inode)))
515 return 0;
516 return security_ops->inode_listsecurity(inode, buffer, buffer_size);
519 int security_file_permission(struct file *file, int mask)
521 return security_ops->file_permission(file, mask);
524 int security_file_alloc(struct file *file)
526 return security_ops->file_alloc_security(file);
529 void security_file_free(struct file *file)
531 security_ops->file_free_security(file);
534 int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
536 return security_ops->file_ioctl(file, cmd, arg);
539 int security_file_mmap(struct file *file, unsigned long reqprot,
540 unsigned long prot, unsigned long flags,
541 unsigned long addr, unsigned long addr_only)
543 return security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only);
546 int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
547 unsigned long prot)
549 return security_ops->file_mprotect(vma, reqprot, prot);
552 int security_file_lock(struct file *file, unsigned int cmd)
554 return security_ops->file_lock(file, cmd);
557 int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
559 return security_ops->file_fcntl(file, cmd, arg);
562 int security_file_set_fowner(struct file *file)
564 return security_ops->file_set_fowner(file);
567 int security_file_send_sigiotask(struct task_struct *tsk,
568 struct fown_struct *fown, int sig)
570 return security_ops->file_send_sigiotask(tsk, fown, sig);
573 int security_file_receive(struct file *file)
575 return security_ops->file_receive(file);
578 int security_dentry_open(struct file *file)
580 return security_ops->dentry_open(file);
583 int security_task_create(unsigned long clone_flags)
585 return security_ops->task_create(clone_flags);
588 int security_task_alloc(struct task_struct *p)
590 return security_ops->task_alloc_security(p);
593 void security_task_free(struct task_struct *p)
595 security_ops->task_free_security(p);
598 int security_task_setuid(uid_t id0, uid_t id1, uid_t id2, int flags)
600 return security_ops->task_setuid(id0, id1, id2, flags);
603 int security_task_post_setuid(uid_t old_ruid, uid_t old_euid,
604 uid_t old_suid, int flags)
606 return security_ops->task_post_setuid(old_ruid, old_euid, old_suid, flags);
609 int security_task_setgid(gid_t id0, gid_t id1, gid_t id2, int flags)
611 return security_ops->task_setgid(id0, id1, id2, flags);
614 int security_task_setpgid(struct task_struct *p, pid_t pgid)
616 return security_ops->task_setpgid(p, pgid);
619 int security_task_getpgid(struct task_struct *p)
621 return security_ops->task_getpgid(p);
624 int security_task_getsid(struct task_struct *p)
626 return security_ops->task_getsid(p);
629 void security_task_getsecid(struct task_struct *p, u32 *secid)
631 security_ops->task_getsecid(p, secid);
633 EXPORT_SYMBOL(security_task_getsecid);
635 int security_task_setgroups(struct group_info *group_info)
637 return security_ops->task_setgroups(group_info);
640 int security_task_setnice(struct task_struct *p, int nice)
642 return security_ops->task_setnice(p, nice);
645 int security_task_setioprio(struct task_struct *p, int ioprio)
647 return security_ops->task_setioprio(p, ioprio);
650 int security_task_getioprio(struct task_struct *p)
652 return security_ops->task_getioprio(p);
655 int security_task_setrlimit(unsigned int resource, struct rlimit *new_rlim)
657 return security_ops->task_setrlimit(resource, new_rlim);
660 int security_task_setscheduler(struct task_struct *p,
661 int policy, struct sched_param *lp)
663 return security_ops->task_setscheduler(p, policy, lp);
666 int security_task_getscheduler(struct task_struct *p)
668 return security_ops->task_getscheduler(p);
671 int security_task_movememory(struct task_struct *p)
673 return security_ops->task_movememory(p);
676 int security_task_kill(struct task_struct *p, struct siginfo *info,
677 int sig, u32 secid)
679 return security_ops->task_kill(p, info, sig, secid);
682 int security_task_wait(struct task_struct *p)
684 return security_ops->task_wait(p);
687 int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
688 unsigned long arg4, unsigned long arg5)
690 return security_ops->task_prctl(option, arg2, arg3, arg4, arg5);
693 void security_task_reparent_to_init(struct task_struct *p)
695 security_ops->task_reparent_to_init(p);
698 void security_task_to_inode(struct task_struct *p, struct inode *inode)
700 security_ops->task_to_inode(p, inode);
703 int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
705 return security_ops->ipc_permission(ipcp, flag);
708 int security_msg_msg_alloc(struct msg_msg *msg)
710 return security_ops->msg_msg_alloc_security(msg);
713 void security_msg_msg_free(struct msg_msg *msg)
715 security_ops->msg_msg_free_security(msg);
718 int security_msg_queue_alloc(struct msg_queue *msq)
720 return security_ops->msg_queue_alloc_security(msq);
723 void security_msg_queue_free(struct msg_queue *msq)
725 security_ops->msg_queue_free_security(msq);
728 int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
730 return security_ops->msg_queue_associate(msq, msqflg);
733 int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
735 return security_ops->msg_queue_msgctl(msq, cmd);
738 int security_msg_queue_msgsnd(struct msg_queue *msq,
739 struct msg_msg *msg, int msqflg)
741 return security_ops->msg_queue_msgsnd(msq, msg, msqflg);
744 int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
745 struct task_struct *target, long type, int mode)
747 return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode);
750 int security_shm_alloc(struct shmid_kernel *shp)
752 return security_ops->shm_alloc_security(shp);
755 void security_shm_free(struct shmid_kernel *shp)
757 security_ops->shm_free_security(shp);
760 int security_shm_associate(struct shmid_kernel *shp, int shmflg)
762 return security_ops->shm_associate(shp, shmflg);
765 int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
767 return security_ops->shm_shmctl(shp, cmd);
770 int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
772 return security_ops->shm_shmat(shp, shmaddr, shmflg);
775 int security_sem_alloc(struct sem_array *sma)
777 return security_ops->sem_alloc_security(sma);
780 void security_sem_free(struct sem_array *sma)
782 security_ops->sem_free_security(sma);
785 int security_sem_associate(struct sem_array *sma, int semflg)
787 return security_ops->sem_associate(sma, semflg);
790 int security_sem_semctl(struct sem_array *sma, int cmd)
792 return security_ops->sem_semctl(sma, cmd);
795 int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
796 unsigned nsops, int alter)
798 return security_ops->sem_semop(sma, sops, nsops, alter);
801 void security_d_instantiate(struct dentry *dentry, struct inode *inode)
803 if (unlikely(inode && IS_PRIVATE(inode)))
804 return;
805 security_ops->d_instantiate(dentry, inode);
807 EXPORT_SYMBOL(security_d_instantiate);
809 int security_getprocattr(struct task_struct *p, char *name, char **value)
811 return security_ops->getprocattr(p, name, value);
814 int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
816 return security_ops->setprocattr(p, name, value, size);
819 int security_netlink_send(struct sock *sk, struct sk_buff *skb)
821 return security_ops->netlink_send(sk, skb);
824 int security_netlink_recv(struct sk_buff *skb, int cap)
826 return security_ops->netlink_recv(skb, cap);
828 EXPORT_SYMBOL(security_netlink_recv);
830 int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
832 return security_ops->secid_to_secctx(secid, secdata, seclen);
834 EXPORT_SYMBOL(security_secid_to_secctx);
836 int security_secctx_to_secid(char *secdata, u32 seclen, u32 *secid)
838 return security_ops->secctx_to_secid(secdata, seclen, secid);
840 EXPORT_SYMBOL(security_secctx_to_secid);
842 void security_release_secctx(char *secdata, u32 seclen)
844 return security_ops->release_secctx(secdata, seclen);
846 EXPORT_SYMBOL(security_release_secctx);
848 #ifdef CONFIG_SECURITY_NETWORK
850 int security_unix_stream_connect(struct socket *sock, struct socket *other,
851 struct sock *newsk)
853 return security_ops->unix_stream_connect(sock, other, newsk);
855 EXPORT_SYMBOL(security_unix_stream_connect);
857 int security_unix_may_send(struct socket *sock, struct socket *other)
859 return security_ops->unix_may_send(sock, other);
861 EXPORT_SYMBOL(security_unix_may_send);
863 int security_socket_create(int family, int type, int protocol, int kern)
865 return security_ops->socket_create(family, type, protocol, kern);
868 int security_socket_post_create(struct socket *sock, int family,
869 int type, int protocol, int kern)
871 return security_ops->socket_post_create(sock, family, type,
872 protocol, kern);
875 int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
877 return security_ops->socket_bind(sock, address, addrlen);
880 int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
882 return security_ops->socket_connect(sock, address, addrlen);
885 int security_socket_listen(struct socket *sock, int backlog)
887 return security_ops->socket_listen(sock, backlog);
890 int security_socket_accept(struct socket *sock, struct socket *newsock)
892 return security_ops->socket_accept(sock, newsock);
895 void security_socket_post_accept(struct socket *sock, struct socket *newsock)
897 security_ops->socket_post_accept(sock, newsock);
900 int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
902 return security_ops->socket_sendmsg(sock, msg, size);
905 int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
906 int size, int flags)
908 return security_ops->socket_recvmsg(sock, msg, size, flags);
911 int security_socket_getsockname(struct socket *sock)
913 return security_ops->socket_getsockname(sock);
916 int security_socket_getpeername(struct socket *sock)
918 return security_ops->socket_getpeername(sock);
921 int security_socket_getsockopt(struct socket *sock, int level, int optname)
923 return security_ops->socket_getsockopt(sock, level, optname);
926 int security_socket_setsockopt(struct socket *sock, int level, int optname)
928 return security_ops->socket_setsockopt(sock, level, optname);
931 int security_socket_shutdown(struct socket *sock, int how)
933 return security_ops->socket_shutdown(sock, how);
936 int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
938 return security_ops->socket_sock_rcv_skb(sk, skb);
940 EXPORT_SYMBOL(security_sock_rcv_skb);
942 int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
943 int __user *optlen, unsigned len)
945 return security_ops->socket_getpeersec_stream(sock, optval, optlen, len);
948 int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
950 return security_ops->socket_getpeersec_dgram(sock, skb, secid);
952 EXPORT_SYMBOL(security_socket_getpeersec_dgram);
954 int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
956 return security_ops->sk_alloc_security(sk, family, priority);
959 void security_sk_free(struct sock *sk)
961 return security_ops->sk_free_security(sk);
964 void security_sk_clone(const struct sock *sk, struct sock *newsk)
966 return security_ops->sk_clone_security(sk, newsk);
969 void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
971 security_ops->sk_getsecid(sk, &fl->secid);
973 EXPORT_SYMBOL(security_sk_classify_flow);
975 void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
977 security_ops->req_classify_flow(req, fl);
979 EXPORT_SYMBOL(security_req_classify_flow);
981 void security_sock_graft(struct sock *sk, struct socket *parent)
983 security_ops->sock_graft(sk, parent);
985 EXPORT_SYMBOL(security_sock_graft);
987 int security_inet_conn_request(struct sock *sk,
988 struct sk_buff *skb, struct request_sock *req)
990 return security_ops->inet_conn_request(sk, skb, req);
992 EXPORT_SYMBOL(security_inet_conn_request);
994 void security_inet_csk_clone(struct sock *newsk,
995 const struct request_sock *req)
997 security_ops->inet_csk_clone(newsk, req);
1000 void security_inet_conn_established(struct sock *sk,
1001 struct sk_buff *skb)
1003 security_ops->inet_conn_established(sk, skb);
1006 #endif /* CONFIG_SECURITY_NETWORK */
1008 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1010 int security_xfrm_policy_alloc(struct xfrm_policy *xp, struct xfrm_user_sec_ctx *sec_ctx)
1012 return security_ops->xfrm_policy_alloc_security(xp, sec_ctx);
1014 EXPORT_SYMBOL(security_xfrm_policy_alloc);
1016 int security_xfrm_policy_clone(struct xfrm_policy *old, struct xfrm_policy *new)
1018 return security_ops->xfrm_policy_clone_security(old, new);
1021 void security_xfrm_policy_free(struct xfrm_policy *xp)
1023 security_ops->xfrm_policy_free_security(xp);
1025 EXPORT_SYMBOL(security_xfrm_policy_free);
1027 int security_xfrm_policy_delete(struct xfrm_policy *xp)
1029 return security_ops->xfrm_policy_delete_security(xp);
1032 int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx)
1034 return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0);
1036 EXPORT_SYMBOL(security_xfrm_state_alloc);
1038 int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1039 struct xfrm_sec_ctx *polsec, u32 secid)
1041 if (!polsec)
1042 return 0;
1044 * We want the context to be taken from secid which is usually
1045 * from the sock.
1047 return security_ops->xfrm_state_alloc_security(x, NULL, secid);
1050 int security_xfrm_state_delete(struct xfrm_state *x)
1052 return security_ops->xfrm_state_delete_security(x);
1054 EXPORT_SYMBOL(security_xfrm_state_delete);
1056 void security_xfrm_state_free(struct xfrm_state *x)
1058 security_ops->xfrm_state_free_security(x);
1061 int security_xfrm_policy_lookup(struct xfrm_policy *xp, u32 fl_secid, u8 dir)
1063 return security_ops->xfrm_policy_lookup(xp, fl_secid, dir);
1066 int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1067 struct xfrm_policy *xp, struct flowi *fl)
1069 return security_ops->xfrm_state_pol_flow_match(x, xp, fl);
1072 int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1074 return security_ops->xfrm_decode_session(skb, secid, 1);
1077 void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1079 int rc = security_ops->xfrm_decode_session(skb, &fl->secid, 0);
1081 BUG_ON(rc);
1083 EXPORT_SYMBOL(security_skb_classify_flow);
1085 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1087 #ifdef CONFIG_KEYS
1089 int security_key_alloc(struct key *key, struct task_struct *tsk, unsigned long flags)
1091 return security_ops->key_alloc(key, tsk, flags);
1094 void security_key_free(struct key *key)
1096 security_ops->key_free(key);
1099 int security_key_permission(key_ref_t key_ref,
1100 struct task_struct *context, key_perm_t perm)
1102 return security_ops->key_permission(key_ref, context, perm);
1105 #endif /* CONFIG_KEYS */