thinkpad-acpi: silence bogus complain during rmmod
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / security / security.c
blob50b61ae5a921dca5448623c09814e5f0333ab5d0
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>
20 /* Boot-time LSM user choice */
21 static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1];
23 /* things that live in capability.c */
24 extern struct security_operations default_security_ops;
25 extern void security_fixup_ops(struct security_operations *ops);
27 struct security_operations *security_ops; /* Initialized to NULL */
29 static inline int verify(struct security_operations *ops)
31 /* verify the security_operations structure exists */
32 if (!ops)
33 return -EINVAL;
34 security_fixup_ops(ops);
35 return 0;
38 static void __init do_security_initcalls(void)
40 initcall_t *call;
41 call = __security_initcall_start;
42 while (call < __security_initcall_end) {
43 (*call) ();
44 call++;
48 /**
49 * security_init - initializes the security framework
51 * This should be called early in the kernel initialization sequence.
53 int __init security_init(void)
55 printk(KERN_INFO "Security Framework initialized\n");
57 security_fixup_ops(&default_security_ops);
58 security_ops = &default_security_ops;
59 do_security_initcalls();
61 return 0;
64 /* Save user chosen LSM */
65 static int __init choose_lsm(char *str)
67 strncpy(chosen_lsm, str, SECURITY_NAME_MAX);
68 return 1;
70 __setup("security=", choose_lsm);
72 /**
73 * security_module_enable - Load given security module on boot ?
74 * @ops: a pointer to the struct security_operations that is to be checked.
76 * Each LSM must pass this method before registering its own operations
77 * to avoid security registration races. This method may also be used
78 * to check if your LSM is currently loaded during kernel initialization.
80 * Return true if:
81 * -The passed LSM is the one chosen by user at boot time,
82 * -or user didsn't specify a specific LSM and we're the first to ask
83 * for registeration permissoin,
84 * -or the passed LSM is currently loaded.
85 * Otherwise, return false.
87 int __init security_module_enable(struct security_operations *ops)
89 if (!*chosen_lsm)
90 strncpy(chosen_lsm, ops->name, SECURITY_NAME_MAX);
91 else if (strncmp(ops->name, chosen_lsm, SECURITY_NAME_MAX))
92 return 0;
94 return 1;
97 /**
98 * register_security - registers a security framework with the kernel
99 * @ops: a pointer to the struct security_options that is to be registered
101 * This function is to allow a security module to register itself with the
102 * kernel security subsystem. Some rudimentary checking is done on the @ops
103 * value passed to this function. You'll need to check first if your LSM
104 * is allowed to register its @ops by calling security_module_enable(@ops).
106 * If there is already a security module registered with the kernel,
107 * an error will be returned. Otherwise 0 is returned on success.
109 int register_security(struct security_operations *ops)
111 if (verify(ops)) {
112 printk(KERN_DEBUG "%s could not verify "
113 "security_operations structure.\n", __func__);
114 return -EINVAL;
117 if (security_ops != &default_security_ops)
118 return -EAGAIN;
120 security_ops = ops;
122 return 0;
125 /* Security operations */
127 int security_ptrace_may_access(struct task_struct *child, unsigned int mode)
129 return security_ops->ptrace_may_access(child, mode);
132 int security_ptrace_traceme(struct task_struct *parent)
134 return security_ops->ptrace_traceme(parent);
137 int security_capget(struct task_struct *target,
138 kernel_cap_t *effective,
139 kernel_cap_t *inheritable,
140 kernel_cap_t *permitted)
142 return security_ops->capget(target, effective, inheritable, permitted);
145 int security_capset_check(struct task_struct *target,
146 kernel_cap_t *effective,
147 kernel_cap_t *inheritable,
148 kernel_cap_t *permitted)
150 return security_ops->capset_check(target, effective, inheritable, permitted);
153 void security_capset_set(struct task_struct *target,
154 kernel_cap_t *effective,
155 kernel_cap_t *inheritable,
156 kernel_cap_t *permitted)
158 security_ops->capset_set(target, effective, inheritable, permitted);
161 int security_capable(struct task_struct *tsk, int cap)
163 return security_ops->capable(tsk, cap);
166 int security_acct(struct file *file)
168 return security_ops->acct(file);
171 int security_sysctl(struct ctl_table *table, int op)
173 return security_ops->sysctl(table, op);
176 int security_quotactl(int cmds, int type, int id, struct super_block *sb)
178 return security_ops->quotactl(cmds, type, id, sb);
181 int security_quota_on(struct dentry *dentry)
183 return security_ops->quota_on(dentry);
186 int security_syslog(int type)
188 return security_ops->syslog(type);
191 int security_settime(struct timespec *ts, struct timezone *tz)
193 return security_ops->settime(ts, tz);
196 int security_vm_enough_memory(long pages)
198 WARN_ON(current->mm == NULL);
199 return security_ops->vm_enough_memory(current->mm, pages);
202 int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
204 WARN_ON(mm == NULL);
205 return security_ops->vm_enough_memory(mm, pages);
208 int security_vm_enough_memory_kern(long pages)
210 /* If current->mm is a kernel thread then we will pass NULL,
211 for this specific case that is fine */
212 return security_ops->vm_enough_memory(current->mm, pages);
215 int security_bprm_alloc(struct linux_binprm *bprm)
217 return security_ops->bprm_alloc_security(bprm);
220 void security_bprm_free(struct linux_binprm *bprm)
222 security_ops->bprm_free_security(bprm);
225 void security_bprm_apply_creds(struct linux_binprm *bprm, int unsafe)
227 security_ops->bprm_apply_creds(bprm, unsafe);
230 void security_bprm_post_apply_creds(struct linux_binprm *bprm)
232 security_ops->bprm_post_apply_creds(bprm);
235 int security_bprm_set(struct linux_binprm *bprm)
237 return security_ops->bprm_set_security(bprm);
240 int security_bprm_check(struct linux_binprm *bprm)
242 return security_ops->bprm_check_security(bprm);
245 int security_bprm_secureexec(struct linux_binprm *bprm)
247 return security_ops->bprm_secureexec(bprm);
250 int security_sb_alloc(struct super_block *sb)
252 return security_ops->sb_alloc_security(sb);
255 void security_sb_free(struct super_block *sb)
257 security_ops->sb_free_security(sb);
260 int security_sb_copy_data(char *orig, char *copy)
262 return security_ops->sb_copy_data(orig, copy);
264 EXPORT_SYMBOL(security_sb_copy_data);
266 int security_sb_kern_mount(struct super_block *sb, void *data)
268 return security_ops->sb_kern_mount(sb, data);
271 int security_sb_show_options(struct seq_file *m, struct super_block *sb)
273 return security_ops->sb_show_options(m, sb);
276 int security_sb_statfs(struct dentry *dentry)
278 return security_ops->sb_statfs(dentry);
281 int security_sb_mount(char *dev_name, struct path *path,
282 char *type, unsigned long flags, void *data)
284 return security_ops->sb_mount(dev_name, path, type, flags, data);
287 int security_sb_check_sb(struct vfsmount *mnt, struct path *path)
289 return security_ops->sb_check_sb(mnt, path);
292 int security_sb_umount(struct vfsmount *mnt, int flags)
294 return security_ops->sb_umount(mnt, flags);
297 void security_sb_umount_close(struct vfsmount *mnt)
299 security_ops->sb_umount_close(mnt);
302 void security_sb_umount_busy(struct vfsmount *mnt)
304 security_ops->sb_umount_busy(mnt);
307 void security_sb_post_remount(struct vfsmount *mnt, unsigned long flags, void *data)
309 security_ops->sb_post_remount(mnt, flags, data);
312 void security_sb_post_addmount(struct vfsmount *mnt, struct path *mountpoint)
314 security_ops->sb_post_addmount(mnt, mountpoint);
317 int security_sb_pivotroot(struct path *old_path, struct path *new_path)
319 return security_ops->sb_pivotroot(old_path, new_path);
322 void security_sb_post_pivotroot(struct path *old_path, struct path *new_path)
324 security_ops->sb_post_pivotroot(old_path, new_path);
327 int security_sb_set_mnt_opts(struct super_block *sb,
328 struct security_mnt_opts *opts)
330 return security_ops->sb_set_mnt_opts(sb, opts);
332 EXPORT_SYMBOL(security_sb_set_mnt_opts);
334 void security_sb_clone_mnt_opts(const struct super_block *oldsb,
335 struct super_block *newsb)
337 security_ops->sb_clone_mnt_opts(oldsb, newsb);
339 EXPORT_SYMBOL(security_sb_clone_mnt_opts);
341 int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
343 return security_ops->sb_parse_opts_str(options, opts);
345 EXPORT_SYMBOL(security_sb_parse_opts_str);
347 int security_inode_alloc(struct inode *inode)
349 inode->i_security = NULL;
350 return security_ops->inode_alloc_security(inode);
353 void security_inode_free(struct inode *inode)
355 security_ops->inode_free_security(inode);
358 int security_inode_init_security(struct inode *inode, struct inode *dir,
359 char **name, void **value, size_t *len)
361 if (unlikely(IS_PRIVATE(inode)))
362 return -EOPNOTSUPP;
363 return security_ops->inode_init_security(inode, dir, name, value, len);
365 EXPORT_SYMBOL(security_inode_init_security);
367 int security_inode_create(struct inode *dir, struct dentry *dentry, int mode)
369 if (unlikely(IS_PRIVATE(dir)))
370 return 0;
371 return security_ops->inode_create(dir, dentry, mode);
374 int security_inode_link(struct dentry *old_dentry, struct inode *dir,
375 struct dentry *new_dentry)
377 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
378 return 0;
379 return security_ops->inode_link(old_dentry, dir, new_dentry);
382 int security_inode_unlink(struct inode *dir, struct dentry *dentry)
384 if (unlikely(IS_PRIVATE(dentry->d_inode)))
385 return 0;
386 return security_ops->inode_unlink(dir, dentry);
389 int security_inode_symlink(struct inode *dir, struct dentry *dentry,
390 const char *old_name)
392 if (unlikely(IS_PRIVATE(dir)))
393 return 0;
394 return security_ops->inode_symlink(dir, dentry, old_name);
397 int security_inode_mkdir(struct inode *dir, struct dentry *dentry, int mode)
399 if (unlikely(IS_PRIVATE(dir)))
400 return 0;
401 return security_ops->inode_mkdir(dir, dentry, mode);
404 int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
406 if (unlikely(IS_PRIVATE(dentry->d_inode)))
407 return 0;
408 return security_ops->inode_rmdir(dir, dentry);
411 int security_inode_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
413 if (unlikely(IS_PRIVATE(dir)))
414 return 0;
415 return security_ops->inode_mknod(dir, dentry, mode, dev);
418 int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
419 struct inode *new_dir, struct dentry *new_dentry)
421 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
422 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
423 return 0;
424 return security_ops->inode_rename(old_dir, old_dentry,
425 new_dir, new_dentry);
428 int security_inode_readlink(struct dentry *dentry)
430 if (unlikely(IS_PRIVATE(dentry->d_inode)))
431 return 0;
432 return security_ops->inode_readlink(dentry);
435 int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd)
437 if (unlikely(IS_PRIVATE(dentry->d_inode)))
438 return 0;
439 return security_ops->inode_follow_link(dentry, nd);
442 int security_inode_permission(struct inode *inode, int mask)
444 if (unlikely(IS_PRIVATE(inode)))
445 return 0;
446 return security_ops->inode_permission(inode, mask);
449 int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
451 if (unlikely(IS_PRIVATE(dentry->d_inode)))
452 return 0;
453 return security_ops->inode_setattr(dentry, attr);
455 EXPORT_SYMBOL_GPL(security_inode_setattr);
457 int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
459 if (unlikely(IS_PRIVATE(dentry->d_inode)))
460 return 0;
461 return security_ops->inode_getattr(mnt, dentry);
464 void security_inode_delete(struct inode *inode)
466 if (unlikely(IS_PRIVATE(inode)))
467 return;
468 security_ops->inode_delete(inode);
471 int security_inode_setxattr(struct dentry *dentry, const char *name,
472 const void *value, size_t size, int flags)
474 if (unlikely(IS_PRIVATE(dentry->d_inode)))
475 return 0;
476 return security_ops->inode_setxattr(dentry, name, value, size, flags);
479 void security_inode_post_setxattr(struct dentry *dentry, const char *name,
480 const void *value, size_t size, int flags)
482 if (unlikely(IS_PRIVATE(dentry->d_inode)))
483 return;
484 security_ops->inode_post_setxattr(dentry, name, value, size, flags);
487 int security_inode_getxattr(struct dentry *dentry, const char *name)
489 if (unlikely(IS_PRIVATE(dentry->d_inode)))
490 return 0;
491 return security_ops->inode_getxattr(dentry, name);
494 int security_inode_listxattr(struct dentry *dentry)
496 if (unlikely(IS_PRIVATE(dentry->d_inode)))
497 return 0;
498 return security_ops->inode_listxattr(dentry);
501 int security_inode_removexattr(struct dentry *dentry, const char *name)
503 if (unlikely(IS_PRIVATE(dentry->d_inode)))
504 return 0;
505 return security_ops->inode_removexattr(dentry, name);
508 int security_inode_need_killpriv(struct dentry *dentry)
510 return security_ops->inode_need_killpriv(dentry);
513 int security_inode_killpriv(struct dentry *dentry)
515 return security_ops->inode_killpriv(dentry);
518 int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
520 if (unlikely(IS_PRIVATE(inode)))
521 return 0;
522 return security_ops->inode_getsecurity(inode, name, buffer, alloc);
525 int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
527 if (unlikely(IS_PRIVATE(inode)))
528 return 0;
529 return security_ops->inode_setsecurity(inode, name, value, size, flags);
532 int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
534 if (unlikely(IS_PRIVATE(inode)))
535 return 0;
536 return security_ops->inode_listsecurity(inode, buffer, buffer_size);
539 void security_inode_getsecid(const struct inode *inode, u32 *secid)
541 security_ops->inode_getsecid(inode, secid);
544 int security_file_permission(struct file *file, int mask)
546 return security_ops->file_permission(file, mask);
549 int security_file_alloc(struct file *file)
551 return security_ops->file_alloc_security(file);
554 void security_file_free(struct file *file)
556 security_ops->file_free_security(file);
559 int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
561 return security_ops->file_ioctl(file, cmd, arg);
564 int security_file_mmap(struct file *file, unsigned long reqprot,
565 unsigned long prot, unsigned long flags,
566 unsigned long addr, unsigned long addr_only)
568 return security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only);
571 int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
572 unsigned long prot)
574 return security_ops->file_mprotect(vma, reqprot, prot);
577 int security_file_lock(struct file *file, unsigned int cmd)
579 return security_ops->file_lock(file, cmd);
582 int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
584 return security_ops->file_fcntl(file, cmd, arg);
587 int security_file_set_fowner(struct file *file)
589 return security_ops->file_set_fowner(file);
592 int security_file_send_sigiotask(struct task_struct *tsk,
593 struct fown_struct *fown, int sig)
595 return security_ops->file_send_sigiotask(tsk, fown, sig);
598 int security_file_receive(struct file *file)
600 return security_ops->file_receive(file);
603 int security_dentry_open(struct file *file)
605 return security_ops->dentry_open(file);
608 int security_task_create(unsigned long clone_flags)
610 return security_ops->task_create(clone_flags);
613 int security_task_alloc(struct task_struct *p)
615 return security_ops->task_alloc_security(p);
618 void security_task_free(struct task_struct *p)
620 security_ops->task_free_security(p);
623 int security_task_setuid(uid_t id0, uid_t id1, uid_t id2, int flags)
625 return security_ops->task_setuid(id0, id1, id2, flags);
628 int security_task_post_setuid(uid_t old_ruid, uid_t old_euid,
629 uid_t old_suid, int flags)
631 return security_ops->task_post_setuid(old_ruid, old_euid, old_suid, flags);
634 int security_task_setgid(gid_t id0, gid_t id1, gid_t id2, int flags)
636 return security_ops->task_setgid(id0, id1, id2, flags);
639 int security_task_setpgid(struct task_struct *p, pid_t pgid)
641 return security_ops->task_setpgid(p, pgid);
644 int security_task_getpgid(struct task_struct *p)
646 return security_ops->task_getpgid(p);
649 int security_task_getsid(struct task_struct *p)
651 return security_ops->task_getsid(p);
654 void security_task_getsecid(struct task_struct *p, u32 *secid)
656 security_ops->task_getsecid(p, secid);
658 EXPORT_SYMBOL(security_task_getsecid);
660 int security_task_setgroups(struct group_info *group_info)
662 return security_ops->task_setgroups(group_info);
665 int security_task_setnice(struct task_struct *p, int nice)
667 return security_ops->task_setnice(p, nice);
670 int security_task_setioprio(struct task_struct *p, int ioprio)
672 return security_ops->task_setioprio(p, ioprio);
675 int security_task_getioprio(struct task_struct *p)
677 return security_ops->task_getioprio(p);
680 int security_task_setrlimit(unsigned int resource, struct rlimit *new_rlim)
682 return security_ops->task_setrlimit(resource, new_rlim);
685 int security_task_setscheduler(struct task_struct *p,
686 int policy, struct sched_param *lp)
688 return security_ops->task_setscheduler(p, policy, lp);
691 int security_task_getscheduler(struct task_struct *p)
693 return security_ops->task_getscheduler(p);
696 int security_task_movememory(struct task_struct *p)
698 return security_ops->task_movememory(p);
701 int security_task_kill(struct task_struct *p, struct siginfo *info,
702 int sig, u32 secid)
704 return security_ops->task_kill(p, info, sig, secid);
707 int security_task_wait(struct task_struct *p)
709 return security_ops->task_wait(p);
712 int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
713 unsigned long arg4, unsigned long arg5, long *rc_p)
715 return security_ops->task_prctl(option, arg2, arg3, arg4, arg5, rc_p);
718 void security_task_reparent_to_init(struct task_struct *p)
720 security_ops->task_reparent_to_init(p);
723 void security_task_to_inode(struct task_struct *p, struct inode *inode)
725 security_ops->task_to_inode(p, inode);
728 int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
730 return security_ops->ipc_permission(ipcp, flag);
733 void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
735 security_ops->ipc_getsecid(ipcp, secid);
738 int security_msg_msg_alloc(struct msg_msg *msg)
740 return security_ops->msg_msg_alloc_security(msg);
743 void security_msg_msg_free(struct msg_msg *msg)
745 security_ops->msg_msg_free_security(msg);
748 int security_msg_queue_alloc(struct msg_queue *msq)
750 return security_ops->msg_queue_alloc_security(msq);
753 void security_msg_queue_free(struct msg_queue *msq)
755 security_ops->msg_queue_free_security(msq);
758 int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
760 return security_ops->msg_queue_associate(msq, msqflg);
763 int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
765 return security_ops->msg_queue_msgctl(msq, cmd);
768 int security_msg_queue_msgsnd(struct msg_queue *msq,
769 struct msg_msg *msg, int msqflg)
771 return security_ops->msg_queue_msgsnd(msq, msg, msqflg);
774 int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
775 struct task_struct *target, long type, int mode)
777 return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode);
780 int security_shm_alloc(struct shmid_kernel *shp)
782 return security_ops->shm_alloc_security(shp);
785 void security_shm_free(struct shmid_kernel *shp)
787 security_ops->shm_free_security(shp);
790 int security_shm_associate(struct shmid_kernel *shp, int shmflg)
792 return security_ops->shm_associate(shp, shmflg);
795 int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
797 return security_ops->shm_shmctl(shp, cmd);
800 int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
802 return security_ops->shm_shmat(shp, shmaddr, shmflg);
805 int security_sem_alloc(struct sem_array *sma)
807 return security_ops->sem_alloc_security(sma);
810 void security_sem_free(struct sem_array *sma)
812 security_ops->sem_free_security(sma);
815 int security_sem_associate(struct sem_array *sma, int semflg)
817 return security_ops->sem_associate(sma, semflg);
820 int security_sem_semctl(struct sem_array *sma, int cmd)
822 return security_ops->sem_semctl(sma, cmd);
825 int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
826 unsigned nsops, int alter)
828 return security_ops->sem_semop(sma, sops, nsops, alter);
831 void security_d_instantiate(struct dentry *dentry, struct inode *inode)
833 if (unlikely(inode && IS_PRIVATE(inode)))
834 return;
835 security_ops->d_instantiate(dentry, inode);
837 EXPORT_SYMBOL(security_d_instantiate);
839 int security_getprocattr(struct task_struct *p, char *name, char **value)
841 return security_ops->getprocattr(p, name, value);
844 int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
846 return security_ops->setprocattr(p, name, value, size);
849 int security_netlink_send(struct sock *sk, struct sk_buff *skb)
851 return security_ops->netlink_send(sk, skb);
854 int security_netlink_recv(struct sk_buff *skb, int cap)
856 return security_ops->netlink_recv(skb, cap);
858 EXPORT_SYMBOL(security_netlink_recv);
860 int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
862 return security_ops->secid_to_secctx(secid, secdata, seclen);
864 EXPORT_SYMBOL(security_secid_to_secctx);
866 int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
868 return security_ops->secctx_to_secid(secdata, seclen, secid);
870 EXPORT_SYMBOL(security_secctx_to_secid);
872 void security_release_secctx(char *secdata, u32 seclen)
874 security_ops->release_secctx(secdata, seclen);
876 EXPORT_SYMBOL(security_release_secctx);
878 #ifdef CONFIG_SECURITY_NETWORK
880 int security_unix_stream_connect(struct socket *sock, struct socket *other,
881 struct sock *newsk)
883 return security_ops->unix_stream_connect(sock, other, newsk);
885 EXPORT_SYMBOL(security_unix_stream_connect);
887 int security_unix_may_send(struct socket *sock, struct socket *other)
889 return security_ops->unix_may_send(sock, other);
891 EXPORT_SYMBOL(security_unix_may_send);
893 int security_socket_create(int family, int type, int protocol, int kern)
895 return security_ops->socket_create(family, type, protocol, kern);
898 int security_socket_post_create(struct socket *sock, int family,
899 int type, int protocol, int kern)
901 return security_ops->socket_post_create(sock, family, type,
902 protocol, kern);
905 int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
907 return security_ops->socket_bind(sock, address, addrlen);
910 int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
912 return security_ops->socket_connect(sock, address, addrlen);
915 int security_socket_listen(struct socket *sock, int backlog)
917 return security_ops->socket_listen(sock, backlog);
920 int security_socket_accept(struct socket *sock, struct socket *newsock)
922 return security_ops->socket_accept(sock, newsock);
925 void security_socket_post_accept(struct socket *sock, struct socket *newsock)
927 security_ops->socket_post_accept(sock, newsock);
930 int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
932 return security_ops->socket_sendmsg(sock, msg, size);
935 int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
936 int size, int flags)
938 return security_ops->socket_recvmsg(sock, msg, size, flags);
941 int security_socket_getsockname(struct socket *sock)
943 return security_ops->socket_getsockname(sock);
946 int security_socket_getpeername(struct socket *sock)
948 return security_ops->socket_getpeername(sock);
951 int security_socket_getsockopt(struct socket *sock, int level, int optname)
953 return security_ops->socket_getsockopt(sock, level, optname);
956 int security_socket_setsockopt(struct socket *sock, int level, int optname)
958 return security_ops->socket_setsockopt(sock, level, optname);
961 int security_socket_shutdown(struct socket *sock, int how)
963 return security_ops->socket_shutdown(sock, how);
966 int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
968 return security_ops->socket_sock_rcv_skb(sk, skb);
970 EXPORT_SYMBOL(security_sock_rcv_skb);
972 int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
973 int __user *optlen, unsigned len)
975 return security_ops->socket_getpeersec_stream(sock, optval, optlen, len);
978 int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
980 return security_ops->socket_getpeersec_dgram(sock, skb, secid);
982 EXPORT_SYMBOL(security_socket_getpeersec_dgram);
984 int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
986 return security_ops->sk_alloc_security(sk, family, priority);
989 void security_sk_free(struct sock *sk)
991 security_ops->sk_free_security(sk);
994 void security_sk_clone(const struct sock *sk, struct sock *newsk)
996 security_ops->sk_clone_security(sk, newsk);
999 void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1001 security_ops->sk_getsecid(sk, &fl->secid);
1003 EXPORT_SYMBOL(security_sk_classify_flow);
1005 void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1007 security_ops->req_classify_flow(req, fl);
1009 EXPORT_SYMBOL(security_req_classify_flow);
1011 void security_sock_graft(struct sock *sk, struct socket *parent)
1013 security_ops->sock_graft(sk, parent);
1015 EXPORT_SYMBOL(security_sock_graft);
1017 int security_inet_conn_request(struct sock *sk,
1018 struct sk_buff *skb, struct request_sock *req)
1020 return security_ops->inet_conn_request(sk, skb, req);
1022 EXPORT_SYMBOL(security_inet_conn_request);
1024 void security_inet_csk_clone(struct sock *newsk,
1025 const struct request_sock *req)
1027 security_ops->inet_csk_clone(newsk, req);
1030 void security_inet_conn_established(struct sock *sk,
1031 struct sk_buff *skb)
1033 security_ops->inet_conn_established(sk, skb);
1036 #endif /* CONFIG_SECURITY_NETWORK */
1038 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1040 int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *sec_ctx)
1042 return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx);
1044 EXPORT_SYMBOL(security_xfrm_policy_alloc);
1046 int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
1047 struct xfrm_sec_ctx **new_ctxp)
1049 return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp);
1052 void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
1054 security_ops->xfrm_policy_free_security(ctx);
1056 EXPORT_SYMBOL(security_xfrm_policy_free);
1058 int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
1060 return security_ops->xfrm_policy_delete_security(ctx);
1063 int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx)
1065 return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0);
1067 EXPORT_SYMBOL(security_xfrm_state_alloc);
1069 int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1070 struct xfrm_sec_ctx *polsec, u32 secid)
1072 if (!polsec)
1073 return 0;
1075 * We want the context to be taken from secid which is usually
1076 * from the sock.
1078 return security_ops->xfrm_state_alloc_security(x, NULL, secid);
1081 int security_xfrm_state_delete(struct xfrm_state *x)
1083 return security_ops->xfrm_state_delete_security(x);
1085 EXPORT_SYMBOL(security_xfrm_state_delete);
1087 void security_xfrm_state_free(struct xfrm_state *x)
1089 security_ops->xfrm_state_free_security(x);
1092 int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
1094 return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir);
1097 int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1098 struct xfrm_policy *xp, struct flowi *fl)
1100 return security_ops->xfrm_state_pol_flow_match(x, xp, fl);
1103 int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1105 return security_ops->xfrm_decode_session(skb, secid, 1);
1108 void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1110 int rc = security_ops->xfrm_decode_session(skb, &fl->secid, 0);
1112 BUG_ON(rc);
1114 EXPORT_SYMBOL(security_skb_classify_flow);
1116 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1118 #ifdef CONFIG_KEYS
1120 int security_key_alloc(struct key *key, struct task_struct *tsk, unsigned long flags)
1122 return security_ops->key_alloc(key, tsk, flags);
1125 void security_key_free(struct key *key)
1127 security_ops->key_free(key);
1130 int security_key_permission(key_ref_t key_ref,
1131 struct task_struct *context, key_perm_t perm)
1133 return security_ops->key_permission(key_ref, context, perm);
1136 int security_key_getsecurity(struct key *key, char **_buffer)
1138 return security_ops->key_getsecurity(key, _buffer);
1141 #endif /* CONFIG_KEYS */
1143 #ifdef CONFIG_AUDIT
1145 int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
1147 return security_ops->audit_rule_init(field, op, rulestr, lsmrule);
1150 int security_audit_rule_known(struct audit_krule *krule)
1152 return security_ops->audit_rule_known(krule);
1155 void security_audit_rule_free(void *lsmrule)
1157 security_ops->audit_rule_free(lsmrule);
1160 int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1161 struct audit_context *actx)
1163 return security_ops->audit_rule_match(secid, field, op, lsmrule, actx);
1166 #endif /* CONFIG_AUDIT */