rfkill: honour EPO state when resuming a rfkill controller
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / security / security.c
blob3a4b4f55b33f373d5a85145d61e6de95cce4bf3c
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 /* amount of vm to protect from userspace access */
30 unsigned long mmap_min_addr = CONFIG_SECURITY_DEFAULT_MMAP_MIN_ADDR;
32 static inline int verify(struct security_operations *ops)
34 /* verify the security_operations structure exists */
35 if (!ops)
36 return -EINVAL;
37 security_fixup_ops(ops);
38 return 0;
41 static void __init do_security_initcalls(void)
43 initcall_t *call;
44 call = __security_initcall_start;
45 while (call < __security_initcall_end) {
46 (*call) ();
47 call++;
51 /**
52 * security_init - initializes the security framework
54 * This should be called early in the kernel initialization sequence.
56 int __init security_init(void)
58 printk(KERN_INFO "Security Framework initialized\n");
60 security_fixup_ops(&default_security_ops);
61 security_ops = &default_security_ops;
62 do_security_initcalls();
64 return 0;
67 /* Save user chosen LSM */
68 static int __init choose_lsm(char *str)
70 strncpy(chosen_lsm, str, SECURITY_NAME_MAX);
71 return 1;
73 __setup("security=", choose_lsm);
75 /**
76 * security_module_enable - Load given security module on boot ?
77 * @ops: a pointer to the struct security_operations that is to be checked.
79 * Each LSM must pass this method before registering its own operations
80 * to avoid security registration races. This method may also be used
81 * to check if your LSM is currently loaded during kernel initialization.
83 * Return true if:
84 * -The passed LSM is the one chosen by user at boot time,
85 * -or user didsn't specify a specific LSM and we're the first to ask
86 * for registeration permissoin,
87 * -or the passed LSM is currently loaded.
88 * Otherwise, return false.
90 int __init security_module_enable(struct security_operations *ops)
92 if (!*chosen_lsm)
93 strncpy(chosen_lsm, ops->name, SECURITY_NAME_MAX);
94 else if (strncmp(ops->name, chosen_lsm, SECURITY_NAME_MAX))
95 return 0;
97 return 1;
101 * register_security - registers a security framework with the kernel
102 * @ops: a pointer to the struct security_options that is to be registered
104 * This function is to allow a security module to register itself with the
105 * kernel security subsystem. Some rudimentary checking is done on the @ops
106 * value passed to this function. You'll need to check first if your LSM
107 * is allowed to register its @ops by calling security_module_enable(@ops).
109 * If there is already a security module registered with the kernel,
110 * an error will be returned. Otherwise 0 is returned on success.
112 int register_security(struct security_operations *ops)
114 if (verify(ops)) {
115 printk(KERN_DEBUG "%s could not verify "
116 "security_operations structure.\n", __func__);
117 return -EINVAL;
120 if (security_ops != &default_security_ops)
121 return -EAGAIN;
123 security_ops = ops;
125 return 0;
128 /* Security operations */
130 int security_ptrace_may_access(struct task_struct *child, unsigned int mode)
132 return security_ops->ptrace_may_access(child, mode);
135 int security_ptrace_traceme(struct task_struct *parent)
137 return security_ops->ptrace_traceme(parent);
140 int security_capget(struct task_struct *target,
141 kernel_cap_t *effective,
142 kernel_cap_t *inheritable,
143 kernel_cap_t *permitted)
145 return security_ops->capget(target, effective, inheritable, permitted);
148 int security_capset_check(struct task_struct *target,
149 kernel_cap_t *effective,
150 kernel_cap_t *inheritable,
151 kernel_cap_t *permitted)
153 return security_ops->capset_check(target, effective, inheritable, permitted);
156 void security_capset_set(struct task_struct *target,
157 kernel_cap_t *effective,
158 kernel_cap_t *inheritable,
159 kernel_cap_t *permitted)
161 security_ops->capset_set(target, effective, inheritable, permitted);
164 int security_capable(struct task_struct *tsk, int cap)
166 return security_ops->capable(tsk, cap);
169 int security_acct(struct file *file)
171 return security_ops->acct(file);
174 int security_sysctl(struct ctl_table *table, int op)
176 return security_ops->sysctl(table, op);
179 int security_quotactl(int cmds, int type, int id, struct super_block *sb)
181 return security_ops->quotactl(cmds, type, id, sb);
184 int security_quota_on(struct dentry *dentry)
186 return security_ops->quota_on(dentry);
189 int security_syslog(int type)
191 return security_ops->syslog(type);
194 int security_settime(struct timespec *ts, struct timezone *tz)
196 return security_ops->settime(ts, tz);
199 int security_vm_enough_memory(long pages)
201 return security_ops->vm_enough_memory(current->mm, pages);
204 int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
206 return security_ops->vm_enough_memory(mm, pages);
209 int security_bprm_alloc(struct linux_binprm *bprm)
211 return security_ops->bprm_alloc_security(bprm);
214 void security_bprm_free(struct linux_binprm *bprm)
216 security_ops->bprm_free_security(bprm);
219 void security_bprm_apply_creds(struct linux_binprm *bprm, int unsafe)
221 security_ops->bprm_apply_creds(bprm, unsafe);
224 void security_bprm_post_apply_creds(struct linux_binprm *bprm)
226 security_ops->bprm_post_apply_creds(bprm);
229 int security_bprm_set(struct linux_binprm *bprm)
231 return security_ops->bprm_set_security(bprm);
234 int security_bprm_check(struct linux_binprm *bprm)
236 return security_ops->bprm_check_security(bprm);
239 int security_bprm_secureexec(struct linux_binprm *bprm)
241 return security_ops->bprm_secureexec(bprm);
244 int security_sb_alloc(struct super_block *sb)
246 return security_ops->sb_alloc_security(sb);
249 void security_sb_free(struct super_block *sb)
251 security_ops->sb_free_security(sb);
254 int security_sb_copy_data(char *orig, char *copy)
256 return security_ops->sb_copy_data(orig, copy);
258 EXPORT_SYMBOL(security_sb_copy_data);
260 int security_sb_kern_mount(struct super_block *sb, void *data)
262 return security_ops->sb_kern_mount(sb, data);
265 int security_sb_show_options(struct seq_file *m, struct super_block *sb)
267 return security_ops->sb_show_options(m, sb);
270 int security_sb_statfs(struct dentry *dentry)
272 return security_ops->sb_statfs(dentry);
275 int security_sb_mount(char *dev_name, struct path *path,
276 char *type, unsigned long flags, void *data)
278 return security_ops->sb_mount(dev_name, path, type, flags, data);
281 int security_sb_check_sb(struct vfsmount *mnt, struct path *path)
283 return security_ops->sb_check_sb(mnt, path);
286 int security_sb_umount(struct vfsmount *mnt, int flags)
288 return security_ops->sb_umount(mnt, flags);
291 void security_sb_umount_close(struct vfsmount *mnt)
293 security_ops->sb_umount_close(mnt);
296 void security_sb_umount_busy(struct vfsmount *mnt)
298 security_ops->sb_umount_busy(mnt);
301 void security_sb_post_remount(struct vfsmount *mnt, unsigned long flags, void *data)
303 security_ops->sb_post_remount(mnt, flags, data);
306 void security_sb_post_addmount(struct vfsmount *mnt, struct path *mountpoint)
308 security_ops->sb_post_addmount(mnt, mountpoint);
311 int security_sb_pivotroot(struct path *old_path, struct path *new_path)
313 return security_ops->sb_pivotroot(old_path, new_path);
316 void security_sb_post_pivotroot(struct path *old_path, struct path *new_path)
318 security_ops->sb_post_pivotroot(old_path, new_path);
321 int security_sb_set_mnt_opts(struct super_block *sb,
322 struct security_mnt_opts *opts)
324 return security_ops->sb_set_mnt_opts(sb, opts);
326 EXPORT_SYMBOL(security_sb_set_mnt_opts);
328 void security_sb_clone_mnt_opts(const struct super_block *oldsb,
329 struct super_block *newsb)
331 security_ops->sb_clone_mnt_opts(oldsb, newsb);
333 EXPORT_SYMBOL(security_sb_clone_mnt_opts);
335 int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
337 return security_ops->sb_parse_opts_str(options, opts);
339 EXPORT_SYMBOL(security_sb_parse_opts_str);
341 int security_inode_alloc(struct inode *inode)
343 inode->i_security = NULL;
344 return security_ops->inode_alloc_security(inode);
347 void security_inode_free(struct inode *inode)
349 security_ops->inode_free_security(inode);
352 int security_inode_init_security(struct inode *inode, struct inode *dir,
353 char **name, void **value, size_t *len)
355 if (unlikely(IS_PRIVATE(inode)))
356 return -EOPNOTSUPP;
357 return security_ops->inode_init_security(inode, dir, name, value, len);
359 EXPORT_SYMBOL(security_inode_init_security);
361 int security_inode_create(struct inode *dir, struct dentry *dentry, int mode)
363 if (unlikely(IS_PRIVATE(dir)))
364 return 0;
365 return security_ops->inode_create(dir, dentry, mode);
368 int security_inode_link(struct dentry *old_dentry, struct inode *dir,
369 struct dentry *new_dentry)
371 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
372 return 0;
373 return security_ops->inode_link(old_dentry, dir, new_dentry);
376 int security_inode_unlink(struct inode *dir, struct dentry *dentry)
378 if (unlikely(IS_PRIVATE(dentry->d_inode)))
379 return 0;
380 return security_ops->inode_unlink(dir, dentry);
383 int security_inode_symlink(struct inode *dir, struct dentry *dentry,
384 const char *old_name)
386 if (unlikely(IS_PRIVATE(dir)))
387 return 0;
388 return security_ops->inode_symlink(dir, dentry, old_name);
391 int security_inode_mkdir(struct inode *dir, struct dentry *dentry, int mode)
393 if (unlikely(IS_PRIVATE(dir)))
394 return 0;
395 return security_ops->inode_mkdir(dir, dentry, mode);
398 int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
400 if (unlikely(IS_PRIVATE(dentry->d_inode)))
401 return 0;
402 return security_ops->inode_rmdir(dir, dentry);
405 int security_inode_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
407 if (unlikely(IS_PRIVATE(dir)))
408 return 0;
409 return security_ops->inode_mknod(dir, dentry, mode, dev);
412 int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
413 struct inode *new_dir, struct dentry *new_dentry)
415 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
416 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
417 return 0;
418 return security_ops->inode_rename(old_dir, old_dentry,
419 new_dir, new_dentry);
422 int security_inode_readlink(struct dentry *dentry)
424 if (unlikely(IS_PRIVATE(dentry->d_inode)))
425 return 0;
426 return security_ops->inode_readlink(dentry);
429 int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd)
431 if (unlikely(IS_PRIVATE(dentry->d_inode)))
432 return 0;
433 return security_ops->inode_follow_link(dentry, nd);
436 int security_inode_permission(struct inode *inode, int mask)
438 if (unlikely(IS_PRIVATE(inode)))
439 return 0;
440 return security_ops->inode_permission(inode, mask);
443 int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
445 if (unlikely(IS_PRIVATE(dentry->d_inode)))
446 return 0;
447 return security_ops->inode_setattr(dentry, attr);
449 EXPORT_SYMBOL_GPL(security_inode_setattr);
451 int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
453 if (unlikely(IS_PRIVATE(dentry->d_inode)))
454 return 0;
455 return security_ops->inode_getattr(mnt, dentry);
458 void security_inode_delete(struct inode *inode)
460 if (unlikely(IS_PRIVATE(inode)))
461 return;
462 security_ops->inode_delete(inode);
465 int security_inode_setxattr(struct dentry *dentry, const char *name,
466 const void *value, size_t size, int flags)
468 if (unlikely(IS_PRIVATE(dentry->d_inode)))
469 return 0;
470 return security_ops->inode_setxattr(dentry, name, value, size, flags);
473 void security_inode_post_setxattr(struct dentry *dentry, const char *name,
474 const void *value, size_t size, int flags)
476 if (unlikely(IS_PRIVATE(dentry->d_inode)))
477 return;
478 security_ops->inode_post_setxattr(dentry, name, value, size, flags);
481 int security_inode_getxattr(struct dentry *dentry, const char *name)
483 if (unlikely(IS_PRIVATE(dentry->d_inode)))
484 return 0;
485 return security_ops->inode_getxattr(dentry, name);
488 int security_inode_listxattr(struct dentry *dentry)
490 if (unlikely(IS_PRIVATE(dentry->d_inode)))
491 return 0;
492 return security_ops->inode_listxattr(dentry);
495 int security_inode_removexattr(struct dentry *dentry, const char *name)
497 if (unlikely(IS_PRIVATE(dentry->d_inode)))
498 return 0;
499 return security_ops->inode_removexattr(dentry, name);
502 int security_inode_need_killpriv(struct dentry *dentry)
504 return security_ops->inode_need_killpriv(dentry);
507 int security_inode_killpriv(struct dentry *dentry)
509 return security_ops->inode_killpriv(dentry);
512 int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
514 if (unlikely(IS_PRIVATE(inode)))
515 return 0;
516 return security_ops->inode_getsecurity(inode, name, buffer, alloc);
519 int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
521 if (unlikely(IS_PRIVATE(inode)))
522 return 0;
523 return security_ops->inode_setsecurity(inode, name, value, size, flags);
526 int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
528 if (unlikely(IS_PRIVATE(inode)))
529 return 0;
530 return security_ops->inode_listsecurity(inode, buffer, buffer_size);
533 void security_inode_getsecid(const struct inode *inode, u32 *secid)
535 security_ops->inode_getsecid(inode, secid);
538 int security_file_permission(struct file *file, int mask)
540 return security_ops->file_permission(file, mask);
543 int security_file_alloc(struct file *file)
545 return security_ops->file_alloc_security(file);
548 void security_file_free(struct file *file)
550 security_ops->file_free_security(file);
553 int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
555 return security_ops->file_ioctl(file, cmd, arg);
558 int security_file_mmap(struct file *file, unsigned long reqprot,
559 unsigned long prot, unsigned long flags,
560 unsigned long addr, unsigned long addr_only)
562 return security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only);
565 int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
566 unsigned long prot)
568 return security_ops->file_mprotect(vma, reqprot, prot);
571 int security_file_lock(struct file *file, unsigned int cmd)
573 return security_ops->file_lock(file, cmd);
576 int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
578 return security_ops->file_fcntl(file, cmd, arg);
581 int security_file_set_fowner(struct file *file)
583 return security_ops->file_set_fowner(file);
586 int security_file_send_sigiotask(struct task_struct *tsk,
587 struct fown_struct *fown, int sig)
589 return security_ops->file_send_sigiotask(tsk, fown, sig);
592 int security_file_receive(struct file *file)
594 return security_ops->file_receive(file);
597 int security_dentry_open(struct file *file)
599 return security_ops->dentry_open(file);
602 int security_task_create(unsigned long clone_flags)
604 return security_ops->task_create(clone_flags);
607 int security_task_alloc(struct task_struct *p)
609 return security_ops->task_alloc_security(p);
612 void security_task_free(struct task_struct *p)
614 security_ops->task_free_security(p);
617 int security_task_setuid(uid_t id0, uid_t id1, uid_t id2, int flags)
619 return security_ops->task_setuid(id0, id1, id2, flags);
622 int security_task_post_setuid(uid_t old_ruid, uid_t old_euid,
623 uid_t old_suid, int flags)
625 return security_ops->task_post_setuid(old_ruid, old_euid, old_suid, flags);
628 int security_task_setgid(gid_t id0, gid_t id1, gid_t id2, int flags)
630 return security_ops->task_setgid(id0, id1, id2, flags);
633 int security_task_setpgid(struct task_struct *p, pid_t pgid)
635 return security_ops->task_setpgid(p, pgid);
638 int security_task_getpgid(struct task_struct *p)
640 return security_ops->task_getpgid(p);
643 int security_task_getsid(struct task_struct *p)
645 return security_ops->task_getsid(p);
648 void security_task_getsecid(struct task_struct *p, u32 *secid)
650 security_ops->task_getsecid(p, secid);
652 EXPORT_SYMBOL(security_task_getsecid);
654 int security_task_setgroups(struct group_info *group_info)
656 return security_ops->task_setgroups(group_info);
659 int security_task_setnice(struct task_struct *p, int nice)
661 return security_ops->task_setnice(p, nice);
664 int security_task_setioprio(struct task_struct *p, int ioprio)
666 return security_ops->task_setioprio(p, ioprio);
669 int security_task_getioprio(struct task_struct *p)
671 return security_ops->task_getioprio(p);
674 int security_task_setrlimit(unsigned int resource, struct rlimit *new_rlim)
676 return security_ops->task_setrlimit(resource, new_rlim);
679 int security_task_setscheduler(struct task_struct *p,
680 int policy, struct sched_param *lp)
682 return security_ops->task_setscheduler(p, policy, lp);
685 int security_task_getscheduler(struct task_struct *p)
687 return security_ops->task_getscheduler(p);
690 int security_task_movememory(struct task_struct *p)
692 return security_ops->task_movememory(p);
695 int security_task_kill(struct task_struct *p, struct siginfo *info,
696 int sig, u32 secid)
698 return security_ops->task_kill(p, info, sig, secid);
701 int security_task_wait(struct task_struct *p)
703 return security_ops->task_wait(p);
706 int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
707 unsigned long arg4, unsigned long arg5, long *rc_p)
709 return security_ops->task_prctl(option, arg2, arg3, arg4, arg5, rc_p);
712 void security_task_reparent_to_init(struct task_struct *p)
714 security_ops->task_reparent_to_init(p);
717 void security_task_to_inode(struct task_struct *p, struct inode *inode)
719 security_ops->task_to_inode(p, inode);
722 int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
724 return security_ops->ipc_permission(ipcp, flag);
727 void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
729 security_ops->ipc_getsecid(ipcp, secid);
732 int security_msg_msg_alloc(struct msg_msg *msg)
734 return security_ops->msg_msg_alloc_security(msg);
737 void security_msg_msg_free(struct msg_msg *msg)
739 security_ops->msg_msg_free_security(msg);
742 int security_msg_queue_alloc(struct msg_queue *msq)
744 return security_ops->msg_queue_alloc_security(msq);
747 void security_msg_queue_free(struct msg_queue *msq)
749 security_ops->msg_queue_free_security(msq);
752 int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
754 return security_ops->msg_queue_associate(msq, msqflg);
757 int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
759 return security_ops->msg_queue_msgctl(msq, cmd);
762 int security_msg_queue_msgsnd(struct msg_queue *msq,
763 struct msg_msg *msg, int msqflg)
765 return security_ops->msg_queue_msgsnd(msq, msg, msqflg);
768 int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
769 struct task_struct *target, long type, int mode)
771 return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode);
774 int security_shm_alloc(struct shmid_kernel *shp)
776 return security_ops->shm_alloc_security(shp);
779 void security_shm_free(struct shmid_kernel *shp)
781 security_ops->shm_free_security(shp);
784 int security_shm_associate(struct shmid_kernel *shp, int shmflg)
786 return security_ops->shm_associate(shp, shmflg);
789 int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
791 return security_ops->shm_shmctl(shp, cmd);
794 int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
796 return security_ops->shm_shmat(shp, shmaddr, shmflg);
799 int security_sem_alloc(struct sem_array *sma)
801 return security_ops->sem_alloc_security(sma);
804 void security_sem_free(struct sem_array *sma)
806 security_ops->sem_free_security(sma);
809 int security_sem_associate(struct sem_array *sma, int semflg)
811 return security_ops->sem_associate(sma, semflg);
814 int security_sem_semctl(struct sem_array *sma, int cmd)
816 return security_ops->sem_semctl(sma, cmd);
819 int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
820 unsigned nsops, int alter)
822 return security_ops->sem_semop(sma, sops, nsops, alter);
825 void security_d_instantiate(struct dentry *dentry, struct inode *inode)
827 if (unlikely(inode && IS_PRIVATE(inode)))
828 return;
829 security_ops->d_instantiate(dentry, inode);
831 EXPORT_SYMBOL(security_d_instantiate);
833 int security_getprocattr(struct task_struct *p, char *name, char **value)
835 return security_ops->getprocattr(p, name, value);
838 int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
840 return security_ops->setprocattr(p, name, value, size);
843 int security_netlink_send(struct sock *sk, struct sk_buff *skb)
845 return security_ops->netlink_send(sk, skb);
848 int security_netlink_recv(struct sk_buff *skb, int cap)
850 return security_ops->netlink_recv(skb, cap);
852 EXPORT_SYMBOL(security_netlink_recv);
854 int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
856 return security_ops->secid_to_secctx(secid, secdata, seclen);
858 EXPORT_SYMBOL(security_secid_to_secctx);
860 int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
862 return security_ops->secctx_to_secid(secdata, seclen, secid);
864 EXPORT_SYMBOL(security_secctx_to_secid);
866 void security_release_secctx(char *secdata, u32 seclen)
868 security_ops->release_secctx(secdata, seclen);
870 EXPORT_SYMBOL(security_release_secctx);
872 #ifdef CONFIG_SECURITY_NETWORK
874 int security_unix_stream_connect(struct socket *sock, struct socket *other,
875 struct sock *newsk)
877 return security_ops->unix_stream_connect(sock, other, newsk);
879 EXPORT_SYMBOL(security_unix_stream_connect);
881 int security_unix_may_send(struct socket *sock, struct socket *other)
883 return security_ops->unix_may_send(sock, other);
885 EXPORT_SYMBOL(security_unix_may_send);
887 int security_socket_create(int family, int type, int protocol, int kern)
889 return security_ops->socket_create(family, type, protocol, kern);
892 int security_socket_post_create(struct socket *sock, int family,
893 int type, int protocol, int kern)
895 return security_ops->socket_post_create(sock, family, type,
896 protocol, kern);
899 int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
901 return security_ops->socket_bind(sock, address, addrlen);
904 int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
906 return security_ops->socket_connect(sock, address, addrlen);
909 int security_socket_listen(struct socket *sock, int backlog)
911 return security_ops->socket_listen(sock, backlog);
914 int security_socket_accept(struct socket *sock, struct socket *newsock)
916 return security_ops->socket_accept(sock, newsock);
919 void security_socket_post_accept(struct socket *sock, struct socket *newsock)
921 security_ops->socket_post_accept(sock, newsock);
924 int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
926 return security_ops->socket_sendmsg(sock, msg, size);
929 int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
930 int size, int flags)
932 return security_ops->socket_recvmsg(sock, msg, size, flags);
935 int security_socket_getsockname(struct socket *sock)
937 return security_ops->socket_getsockname(sock);
940 int security_socket_getpeername(struct socket *sock)
942 return security_ops->socket_getpeername(sock);
945 int security_socket_getsockopt(struct socket *sock, int level, int optname)
947 return security_ops->socket_getsockopt(sock, level, optname);
950 int security_socket_setsockopt(struct socket *sock, int level, int optname)
952 return security_ops->socket_setsockopt(sock, level, optname);
955 int security_socket_shutdown(struct socket *sock, int how)
957 return security_ops->socket_shutdown(sock, how);
960 int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
962 return security_ops->socket_sock_rcv_skb(sk, skb);
964 EXPORT_SYMBOL(security_sock_rcv_skb);
966 int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
967 int __user *optlen, unsigned len)
969 return security_ops->socket_getpeersec_stream(sock, optval, optlen, len);
972 int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
974 return security_ops->socket_getpeersec_dgram(sock, skb, secid);
976 EXPORT_SYMBOL(security_socket_getpeersec_dgram);
978 int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
980 return security_ops->sk_alloc_security(sk, family, priority);
983 void security_sk_free(struct sock *sk)
985 security_ops->sk_free_security(sk);
988 void security_sk_clone(const struct sock *sk, struct sock *newsk)
990 security_ops->sk_clone_security(sk, newsk);
993 void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
995 security_ops->sk_getsecid(sk, &fl->secid);
997 EXPORT_SYMBOL(security_sk_classify_flow);
999 void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1001 security_ops->req_classify_flow(req, fl);
1003 EXPORT_SYMBOL(security_req_classify_flow);
1005 void security_sock_graft(struct sock *sk, struct socket *parent)
1007 security_ops->sock_graft(sk, parent);
1009 EXPORT_SYMBOL(security_sock_graft);
1011 int security_inet_conn_request(struct sock *sk,
1012 struct sk_buff *skb, struct request_sock *req)
1014 return security_ops->inet_conn_request(sk, skb, req);
1016 EXPORT_SYMBOL(security_inet_conn_request);
1018 void security_inet_csk_clone(struct sock *newsk,
1019 const struct request_sock *req)
1021 security_ops->inet_csk_clone(newsk, req);
1024 void security_inet_conn_established(struct sock *sk,
1025 struct sk_buff *skb)
1027 security_ops->inet_conn_established(sk, skb);
1030 #endif /* CONFIG_SECURITY_NETWORK */
1032 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1034 int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *sec_ctx)
1036 return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx);
1038 EXPORT_SYMBOL(security_xfrm_policy_alloc);
1040 int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
1041 struct xfrm_sec_ctx **new_ctxp)
1043 return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp);
1046 void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
1048 security_ops->xfrm_policy_free_security(ctx);
1050 EXPORT_SYMBOL(security_xfrm_policy_free);
1052 int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
1054 return security_ops->xfrm_policy_delete_security(ctx);
1057 int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx)
1059 return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0);
1061 EXPORT_SYMBOL(security_xfrm_state_alloc);
1063 int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1064 struct xfrm_sec_ctx *polsec, u32 secid)
1066 if (!polsec)
1067 return 0;
1069 * We want the context to be taken from secid which is usually
1070 * from the sock.
1072 return security_ops->xfrm_state_alloc_security(x, NULL, secid);
1075 int security_xfrm_state_delete(struct xfrm_state *x)
1077 return security_ops->xfrm_state_delete_security(x);
1079 EXPORT_SYMBOL(security_xfrm_state_delete);
1081 void security_xfrm_state_free(struct xfrm_state *x)
1083 security_ops->xfrm_state_free_security(x);
1086 int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
1088 return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir);
1091 int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1092 struct xfrm_policy *xp, struct flowi *fl)
1094 return security_ops->xfrm_state_pol_flow_match(x, xp, fl);
1097 int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1099 return security_ops->xfrm_decode_session(skb, secid, 1);
1102 void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1104 int rc = security_ops->xfrm_decode_session(skb, &fl->secid, 0);
1106 BUG_ON(rc);
1108 EXPORT_SYMBOL(security_skb_classify_flow);
1110 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1112 #ifdef CONFIG_KEYS
1114 int security_key_alloc(struct key *key, struct task_struct *tsk, unsigned long flags)
1116 return security_ops->key_alloc(key, tsk, flags);
1119 void security_key_free(struct key *key)
1121 security_ops->key_free(key);
1124 int security_key_permission(key_ref_t key_ref,
1125 struct task_struct *context, key_perm_t perm)
1127 return security_ops->key_permission(key_ref, context, perm);
1130 int security_key_getsecurity(struct key *key, char **_buffer)
1132 return security_ops->key_getsecurity(key, _buffer);
1135 #endif /* CONFIG_KEYS */
1137 #ifdef CONFIG_AUDIT
1139 int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
1141 return security_ops->audit_rule_init(field, op, rulestr, lsmrule);
1144 int security_audit_rule_known(struct audit_krule *krule)
1146 return security_ops->audit_rule_known(krule);
1149 void security_audit_rule_free(void *lsmrule)
1151 security_ops->audit_rule_free(lsmrule);
1154 int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1155 struct audit_context *actx)
1157 return security_ops->audit_rule_match(secid, field, op, lsmrule, actx);
1160 #endif /* CONFIG_AUDIT */