Add a new capable interface that will be used by systems that use audit to
[linux-2.6/mini2440.git] / security / security.c
blob346f21e0ec2cbd7ad5239bfc8f203383252990d3
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 didn't specify a specific LSM and we're the first to ask
86 * for registration permission,
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 allows 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, SECURITY_CAP_AUDIT);
169 int security_capable_noaudit(struct task_struct *tsk, int cap)
171 return security_ops->capable(tsk, cap, SECURITY_CAP_NOAUDIT);
174 int security_acct(struct file *file)
176 return security_ops->acct(file);
179 int security_sysctl(struct ctl_table *table, int op)
181 return security_ops->sysctl(table, op);
184 int security_quotactl(int cmds, int type, int id, struct super_block *sb)
186 return security_ops->quotactl(cmds, type, id, sb);
189 int security_quota_on(struct dentry *dentry)
191 return security_ops->quota_on(dentry);
194 int security_syslog(int type)
196 return security_ops->syslog(type);
199 int security_settime(struct timespec *ts, struct timezone *tz)
201 return security_ops->settime(ts, tz);
204 int security_vm_enough_memory(long pages)
206 WARN_ON(current->mm == NULL);
207 return security_ops->vm_enough_memory(current->mm, pages);
210 int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
212 WARN_ON(mm == NULL);
213 return security_ops->vm_enough_memory(mm, pages);
216 int security_vm_enough_memory_kern(long pages)
218 /* If current->mm is a kernel thread then we will pass NULL,
219 for this specific case that is fine */
220 return security_ops->vm_enough_memory(current->mm, pages);
223 int security_bprm_alloc(struct linux_binprm *bprm)
225 return security_ops->bprm_alloc_security(bprm);
228 void security_bprm_free(struct linux_binprm *bprm)
230 security_ops->bprm_free_security(bprm);
233 void security_bprm_apply_creds(struct linux_binprm *bprm, int unsafe)
235 security_ops->bprm_apply_creds(bprm, unsafe);
238 void security_bprm_post_apply_creds(struct linux_binprm *bprm)
240 security_ops->bprm_post_apply_creds(bprm);
243 int security_bprm_set(struct linux_binprm *bprm)
245 return security_ops->bprm_set_security(bprm);
248 int security_bprm_check(struct linux_binprm *bprm)
250 return security_ops->bprm_check_security(bprm);
253 int security_bprm_secureexec(struct linux_binprm *bprm)
255 return security_ops->bprm_secureexec(bprm);
258 int security_sb_alloc(struct super_block *sb)
260 return security_ops->sb_alloc_security(sb);
263 void security_sb_free(struct super_block *sb)
265 security_ops->sb_free_security(sb);
268 int security_sb_copy_data(char *orig, char *copy)
270 return security_ops->sb_copy_data(orig, copy);
272 EXPORT_SYMBOL(security_sb_copy_data);
274 int security_sb_kern_mount(struct super_block *sb, void *data)
276 return security_ops->sb_kern_mount(sb, data);
279 int security_sb_show_options(struct seq_file *m, struct super_block *sb)
281 return security_ops->sb_show_options(m, sb);
284 int security_sb_statfs(struct dentry *dentry)
286 return security_ops->sb_statfs(dentry);
289 int security_sb_mount(char *dev_name, struct path *path,
290 char *type, unsigned long flags, void *data)
292 return security_ops->sb_mount(dev_name, path, type, flags, data);
295 int security_sb_check_sb(struct vfsmount *mnt, struct path *path)
297 return security_ops->sb_check_sb(mnt, path);
300 int security_sb_umount(struct vfsmount *mnt, int flags)
302 return security_ops->sb_umount(mnt, flags);
305 void security_sb_umount_close(struct vfsmount *mnt)
307 security_ops->sb_umount_close(mnt);
310 void security_sb_umount_busy(struct vfsmount *mnt)
312 security_ops->sb_umount_busy(mnt);
315 void security_sb_post_remount(struct vfsmount *mnt, unsigned long flags, void *data)
317 security_ops->sb_post_remount(mnt, flags, data);
320 void security_sb_post_addmount(struct vfsmount *mnt, struct path *mountpoint)
322 security_ops->sb_post_addmount(mnt, mountpoint);
325 int security_sb_pivotroot(struct path *old_path, struct path *new_path)
327 return security_ops->sb_pivotroot(old_path, new_path);
330 void security_sb_post_pivotroot(struct path *old_path, struct path *new_path)
332 security_ops->sb_post_pivotroot(old_path, new_path);
335 int security_sb_set_mnt_opts(struct super_block *sb,
336 struct security_mnt_opts *opts)
338 return security_ops->sb_set_mnt_opts(sb, opts);
340 EXPORT_SYMBOL(security_sb_set_mnt_opts);
342 void security_sb_clone_mnt_opts(const struct super_block *oldsb,
343 struct super_block *newsb)
345 security_ops->sb_clone_mnt_opts(oldsb, newsb);
347 EXPORT_SYMBOL(security_sb_clone_mnt_opts);
349 int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
351 return security_ops->sb_parse_opts_str(options, opts);
353 EXPORT_SYMBOL(security_sb_parse_opts_str);
355 int security_inode_alloc(struct inode *inode)
357 inode->i_security = NULL;
358 return security_ops->inode_alloc_security(inode);
361 void security_inode_free(struct inode *inode)
363 security_ops->inode_free_security(inode);
366 int security_inode_init_security(struct inode *inode, struct inode *dir,
367 char **name, void **value, size_t *len)
369 if (unlikely(IS_PRIVATE(inode)))
370 return -EOPNOTSUPP;
371 return security_ops->inode_init_security(inode, dir, name, value, len);
373 EXPORT_SYMBOL(security_inode_init_security);
375 int security_inode_create(struct inode *dir, struct dentry *dentry, int mode)
377 if (unlikely(IS_PRIVATE(dir)))
378 return 0;
379 return security_ops->inode_create(dir, dentry, mode);
382 int security_inode_link(struct dentry *old_dentry, struct inode *dir,
383 struct dentry *new_dentry)
385 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
386 return 0;
387 return security_ops->inode_link(old_dentry, dir, new_dentry);
390 int security_inode_unlink(struct inode *dir, struct dentry *dentry)
392 if (unlikely(IS_PRIVATE(dentry->d_inode)))
393 return 0;
394 return security_ops->inode_unlink(dir, dentry);
397 int security_inode_symlink(struct inode *dir, struct dentry *dentry,
398 const char *old_name)
400 if (unlikely(IS_PRIVATE(dir)))
401 return 0;
402 return security_ops->inode_symlink(dir, dentry, old_name);
405 int security_inode_mkdir(struct inode *dir, struct dentry *dentry, int mode)
407 if (unlikely(IS_PRIVATE(dir)))
408 return 0;
409 return security_ops->inode_mkdir(dir, dentry, mode);
412 int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
414 if (unlikely(IS_PRIVATE(dentry->d_inode)))
415 return 0;
416 return security_ops->inode_rmdir(dir, dentry);
419 int security_inode_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
421 if (unlikely(IS_PRIVATE(dir)))
422 return 0;
423 return security_ops->inode_mknod(dir, dentry, mode, dev);
426 int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
427 struct inode *new_dir, struct dentry *new_dentry)
429 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
430 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
431 return 0;
432 return security_ops->inode_rename(old_dir, old_dentry,
433 new_dir, new_dentry);
436 int security_inode_readlink(struct dentry *dentry)
438 if (unlikely(IS_PRIVATE(dentry->d_inode)))
439 return 0;
440 return security_ops->inode_readlink(dentry);
443 int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd)
445 if (unlikely(IS_PRIVATE(dentry->d_inode)))
446 return 0;
447 return security_ops->inode_follow_link(dentry, nd);
450 int security_inode_permission(struct inode *inode, int mask)
452 if (unlikely(IS_PRIVATE(inode)))
453 return 0;
454 return security_ops->inode_permission(inode, mask);
457 int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
459 if (unlikely(IS_PRIVATE(dentry->d_inode)))
460 return 0;
461 return security_ops->inode_setattr(dentry, attr);
463 EXPORT_SYMBOL_GPL(security_inode_setattr);
465 int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
467 if (unlikely(IS_PRIVATE(dentry->d_inode)))
468 return 0;
469 return security_ops->inode_getattr(mnt, dentry);
472 void security_inode_delete(struct inode *inode)
474 if (unlikely(IS_PRIVATE(inode)))
475 return;
476 security_ops->inode_delete(inode);
479 int security_inode_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 0;
484 return security_ops->inode_setxattr(dentry, name, value, size, flags);
487 void security_inode_post_setxattr(struct dentry *dentry, const char *name,
488 const void *value, size_t size, int flags)
490 if (unlikely(IS_PRIVATE(dentry->d_inode)))
491 return;
492 security_ops->inode_post_setxattr(dentry, name, value, size, flags);
495 int security_inode_getxattr(struct dentry *dentry, const char *name)
497 if (unlikely(IS_PRIVATE(dentry->d_inode)))
498 return 0;
499 return security_ops->inode_getxattr(dentry, name);
502 int security_inode_listxattr(struct dentry *dentry)
504 if (unlikely(IS_PRIVATE(dentry->d_inode)))
505 return 0;
506 return security_ops->inode_listxattr(dentry);
509 int security_inode_removexattr(struct dentry *dentry, const char *name)
511 if (unlikely(IS_PRIVATE(dentry->d_inode)))
512 return 0;
513 return security_ops->inode_removexattr(dentry, name);
516 int security_inode_need_killpriv(struct dentry *dentry)
518 return security_ops->inode_need_killpriv(dentry);
521 int security_inode_killpriv(struct dentry *dentry)
523 return security_ops->inode_killpriv(dentry);
526 int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
528 if (unlikely(IS_PRIVATE(inode)))
529 return 0;
530 return security_ops->inode_getsecurity(inode, name, buffer, alloc);
533 int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
535 if (unlikely(IS_PRIVATE(inode)))
536 return 0;
537 return security_ops->inode_setsecurity(inode, name, value, size, flags);
540 int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
542 if (unlikely(IS_PRIVATE(inode)))
543 return 0;
544 return security_ops->inode_listsecurity(inode, buffer, buffer_size);
547 void security_inode_getsecid(const struct inode *inode, u32 *secid)
549 security_ops->inode_getsecid(inode, secid);
552 int security_file_permission(struct file *file, int mask)
554 return security_ops->file_permission(file, mask);
557 int security_file_alloc(struct file *file)
559 return security_ops->file_alloc_security(file);
562 void security_file_free(struct file *file)
564 security_ops->file_free_security(file);
567 int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
569 return security_ops->file_ioctl(file, cmd, arg);
572 int security_file_mmap(struct file *file, unsigned long reqprot,
573 unsigned long prot, unsigned long flags,
574 unsigned long addr, unsigned long addr_only)
576 return security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only);
579 int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
580 unsigned long prot)
582 return security_ops->file_mprotect(vma, reqprot, prot);
585 int security_file_lock(struct file *file, unsigned int cmd)
587 return security_ops->file_lock(file, cmd);
590 int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
592 return security_ops->file_fcntl(file, cmd, arg);
595 int security_file_set_fowner(struct file *file)
597 return security_ops->file_set_fowner(file);
600 int security_file_send_sigiotask(struct task_struct *tsk,
601 struct fown_struct *fown, int sig)
603 return security_ops->file_send_sigiotask(tsk, fown, sig);
606 int security_file_receive(struct file *file)
608 return security_ops->file_receive(file);
611 int security_dentry_open(struct file *file)
613 return security_ops->dentry_open(file);
616 int security_task_create(unsigned long clone_flags)
618 return security_ops->task_create(clone_flags);
621 int security_task_alloc(struct task_struct *p)
623 return security_ops->task_alloc_security(p);
626 void security_task_free(struct task_struct *p)
628 security_ops->task_free_security(p);
631 int security_task_setuid(uid_t id0, uid_t id1, uid_t id2, int flags)
633 return security_ops->task_setuid(id0, id1, id2, flags);
636 int security_task_post_setuid(uid_t old_ruid, uid_t old_euid,
637 uid_t old_suid, int flags)
639 return security_ops->task_post_setuid(old_ruid, old_euid, old_suid, flags);
642 int security_task_setgid(gid_t id0, gid_t id1, gid_t id2, int flags)
644 return security_ops->task_setgid(id0, id1, id2, flags);
647 int security_task_setpgid(struct task_struct *p, pid_t pgid)
649 return security_ops->task_setpgid(p, pgid);
652 int security_task_getpgid(struct task_struct *p)
654 return security_ops->task_getpgid(p);
657 int security_task_getsid(struct task_struct *p)
659 return security_ops->task_getsid(p);
662 void security_task_getsecid(struct task_struct *p, u32 *secid)
664 security_ops->task_getsecid(p, secid);
666 EXPORT_SYMBOL(security_task_getsecid);
668 int security_task_setgroups(struct group_info *group_info)
670 return security_ops->task_setgroups(group_info);
673 int security_task_setnice(struct task_struct *p, int nice)
675 return security_ops->task_setnice(p, nice);
678 int security_task_setioprio(struct task_struct *p, int ioprio)
680 return security_ops->task_setioprio(p, ioprio);
683 int security_task_getioprio(struct task_struct *p)
685 return security_ops->task_getioprio(p);
688 int security_task_setrlimit(unsigned int resource, struct rlimit *new_rlim)
690 return security_ops->task_setrlimit(resource, new_rlim);
693 int security_task_setscheduler(struct task_struct *p,
694 int policy, struct sched_param *lp)
696 return security_ops->task_setscheduler(p, policy, lp);
699 int security_task_getscheduler(struct task_struct *p)
701 return security_ops->task_getscheduler(p);
704 int security_task_movememory(struct task_struct *p)
706 return security_ops->task_movememory(p);
709 int security_task_kill(struct task_struct *p, struct siginfo *info,
710 int sig, u32 secid)
712 return security_ops->task_kill(p, info, sig, secid);
715 int security_task_wait(struct task_struct *p)
717 return security_ops->task_wait(p);
720 int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
721 unsigned long arg4, unsigned long arg5, long *rc_p)
723 return security_ops->task_prctl(option, arg2, arg3, arg4, arg5, rc_p);
726 void security_task_reparent_to_init(struct task_struct *p)
728 security_ops->task_reparent_to_init(p);
731 void security_task_to_inode(struct task_struct *p, struct inode *inode)
733 security_ops->task_to_inode(p, inode);
736 int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
738 return security_ops->ipc_permission(ipcp, flag);
741 void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
743 security_ops->ipc_getsecid(ipcp, secid);
746 int security_msg_msg_alloc(struct msg_msg *msg)
748 return security_ops->msg_msg_alloc_security(msg);
751 void security_msg_msg_free(struct msg_msg *msg)
753 security_ops->msg_msg_free_security(msg);
756 int security_msg_queue_alloc(struct msg_queue *msq)
758 return security_ops->msg_queue_alloc_security(msq);
761 void security_msg_queue_free(struct msg_queue *msq)
763 security_ops->msg_queue_free_security(msq);
766 int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
768 return security_ops->msg_queue_associate(msq, msqflg);
771 int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
773 return security_ops->msg_queue_msgctl(msq, cmd);
776 int security_msg_queue_msgsnd(struct msg_queue *msq,
777 struct msg_msg *msg, int msqflg)
779 return security_ops->msg_queue_msgsnd(msq, msg, msqflg);
782 int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
783 struct task_struct *target, long type, int mode)
785 return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode);
788 int security_shm_alloc(struct shmid_kernel *shp)
790 return security_ops->shm_alloc_security(shp);
793 void security_shm_free(struct shmid_kernel *shp)
795 security_ops->shm_free_security(shp);
798 int security_shm_associate(struct shmid_kernel *shp, int shmflg)
800 return security_ops->shm_associate(shp, shmflg);
803 int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
805 return security_ops->shm_shmctl(shp, cmd);
808 int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
810 return security_ops->shm_shmat(shp, shmaddr, shmflg);
813 int security_sem_alloc(struct sem_array *sma)
815 return security_ops->sem_alloc_security(sma);
818 void security_sem_free(struct sem_array *sma)
820 security_ops->sem_free_security(sma);
823 int security_sem_associate(struct sem_array *sma, int semflg)
825 return security_ops->sem_associate(sma, semflg);
828 int security_sem_semctl(struct sem_array *sma, int cmd)
830 return security_ops->sem_semctl(sma, cmd);
833 int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
834 unsigned nsops, int alter)
836 return security_ops->sem_semop(sma, sops, nsops, alter);
839 void security_d_instantiate(struct dentry *dentry, struct inode *inode)
841 if (unlikely(inode && IS_PRIVATE(inode)))
842 return;
843 security_ops->d_instantiate(dentry, inode);
845 EXPORT_SYMBOL(security_d_instantiate);
847 int security_getprocattr(struct task_struct *p, char *name, char **value)
849 return security_ops->getprocattr(p, name, value);
852 int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
854 return security_ops->setprocattr(p, name, value, size);
857 int security_netlink_send(struct sock *sk, struct sk_buff *skb)
859 return security_ops->netlink_send(sk, skb);
862 int security_netlink_recv(struct sk_buff *skb, int cap)
864 return security_ops->netlink_recv(skb, cap);
866 EXPORT_SYMBOL(security_netlink_recv);
868 int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
870 return security_ops->secid_to_secctx(secid, secdata, seclen);
872 EXPORT_SYMBOL(security_secid_to_secctx);
874 int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
876 return security_ops->secctx_to_secid(secdata, seclen, secid);
878 EXPORT_SYMBOL(security_secctx_to_secid);
880 void security_release_secctx(char *secdata, u32 seclen)
882 security_ops->release_secctx(secdata, seclen);
884 EXPORT_SYMBOL(security_release_secctx);
886 #ifdef CONFIG_SECURITY_NETWORK
888 int security_unix_stream_connect(struct socket *sock, struct socket *other,
889 struct sock *newsk)
891 return security_ops->unix_stream_connect(sock, other, newsk);
893 EXPORT_SYMBOL(security_unix_stream_connect);
895 int security_unix_may_send(struct socket *sock, struct socket *other)
897 return security_ops->unix_may_send(sock, other);
899 EXPORT_SYMBOL(security_unix_may_send);
901 int security_socket_create(int family, int type, int protocol, int kern)
903 return security_ops->socket_create(family, type, protocol, kern);
906 int security_socket_post_create(struct socket *sock, int family,
907 int type, int protocol, int kern)
909 return security_ops->socket_post_create(sock, family, type,
910 protocol, kern);
913 int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
915 return security_ops->socket_bind(sock, address, addrlen);
918 int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
920 return security_ops->socket_connect(sock, address, addrlen);
923 int security_socket_listen(struct socket *sock, int backlog)
925 return security_ops->socket_listen(sock, backlog);
928 int security_socket_accept(struct socket *sock, struct socket *newsock)
930 return security_ops->socket_accept(sock, newsock);
933 void security_socket_post_accept(struct socket *sock, struct socket *newsock)
935 security_ops->socket_post_accept(sock, newsock);
938 int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
940 return security_ops->socket_sendmsg(sock, msg, size);
943 int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
944 int size, int flags)
946 return security_ops->socket_recvmsg(sock, msg, size, flags);
949 int security_socket_getsockname(struct socket *sock)
951 return security_ops->socket_getsockname(sock);
954 int security_socket_getpeername(struct socket *sock)
956 return security_ops->socket_getpeername(sock);
959 int security_socket_getsockopt(struct socket *sock, int level, int optname)
961 return security_ops->socket_getsockopt(sock, level, optname);
964 int security_socket_setsockopt(struct socket *sock, int level, int optname)
966 return security_ops->socket_setsockopt(sock, level, optname);
969 int security_socket_shutdown(struct socket *sock, int how)
971 return security_ops->socket_shutdown(sock, how);
974 int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
976 return security_ops->socket_sock_rcv_skb(sk, skb);
978 EXPORT_SYMBOL(security_sock_rcv_skb);
980 int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
981 int __user *optlen, unsigned len)
983 return security_ops->socket_getpeersec_stream(sock, optval, optlen, len);
986 int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
988 return security_ops->socket_getpeersec_dgram(sock, skb, secid);
990 EXPORT_SYMBOL(security_socket_getpeersec_dgram);
992 int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
994 return security_ops->sk_alloc_security(sk, family, priority);
997 void security_sk_free(struct sock *sk)
999 security_ops->sk_free_security(sk);
1002 void security_sk_clone(const struct sock *sk, struct sock *newsk)
1004 security_ops->sk_clone_security(sk, newsk);
1007 void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1009 security_ops->sk_getsecid(sk, &fl->secid);
1011 EXPORT_SYMBOL(security_sk_classify_flow);
1013 void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1015 security_ops->req_classify_flow(req, fl);
1017 EXPORT_SYMBOL(security_req_classify_flow);
1019 void security_sock_graft(struct sock *sk, struct socket *parent)
1021 security_ops->sock_graft(sk, parent);
1023 EXPORT_SYMBOL(security_sock_graft);
1025 int security_inet_conn_request(struct sock *sk,
1026 struct sk_buff *skb, struct request_sock *req)
1028 return security_ops->inet_conn_request(sk, skb, req);
1030 EXPORT_SYMBOL(security_inet_conn_request);
1032 void security_inet_csk_clone(struct sock *newsk,
1033 const struct request_sock *req)
1035 security_ops->inet_csk_clone(newsk, req);
1038 void security_inet_conn_established(struct sock *sk,
1039 struct sk_buff *skb)
1041 security_ops->inet_conn_established(sk, skb);
1044 #endif /* CONFIG_SECURITY_NETWORK */
1046 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1048 int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *sec_ctx)
1050 return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx);
1052 EXPORT_SYMBOL(security_xfrm_policy_alloc);
1054 int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
1055 struct xfrm_sec_ctx **new_ctxp)
1057 return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp);
1060 void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
1062 security_ops->xfrm_policy_free_security(ctx);
1064 EXPORT_SYMBOL(security_xfrm_policy_free);
1066 int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
1068 return security_ops->xfrm_policy_delete_security(ctx);
1071 int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx)
1073 return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0);
1075 EXPORT_SYMBOL(security_xfrm_state_alloc);
1077 int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1078 struct xfrm_sec_ctx *polsec, u32 secid)
1080 if (!polsec)
1081 return 0;
1083 * We want the context to be taken from secid which is usually
1084 * from the sock.
1086 return security_ops->xfrm_state_alloc_security(x, NULL, secid);
1089 int security_xfrm_state_delete(struct xfrm_state *x)
1091 return security_ops->xfrm_state_delete_security(x);
1093 EXPORT_SYMBOL(security_xfrm_state_delete);
1095 void security_xfrm_state_free(struct xfrm_state *x)
1097 security_ops->xfrm_state_free_security(x);
1100 int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
1102 return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir);
1105 int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1106 struct xfrm_policy *xp, struct flowi *fl)
1108 return security_ops->xfrm_state_pol_flow_match(x, xp, fl);
1111 int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1113 return security_ops->xfrm_decode_session(skb, secid, 1);
1116 void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1118 int rc = security_ops->xfrm_decode_session(skb, &fl->secid, 0);
1120 BUG_ON(rc);
1122 EXPORT_SYMBOL(security_skb_classify_flow);
1124 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1126 #ifdef CONFIG_KEYS
1128 int security_key_alloc(struct key *key, struct task_struct *tsk, unsigned long flags)
1130 return security_ops->key_alloc(key, tsk, flags);
1133 void security_key_free(struct key *key)
1135 security_ops->key_free(key);
1138 int security_key_permission(key_ref_t key_ref,
1139 struct task_struct *context, key_perm_t perm)
1141 return security_ops->key_permission(key_ref, context, perm);
1144 int security_key_getsecurity(struct key *key, char **_buffer)
1146 return security_ops->key_getsecurity(key, _buffer);
1149 #endif /* CONFIG_KEYS */
1151 #ifdef CONFIG_AUDIT
1153 int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
1155 return security_ops->audit_rule_init(field, op, rulestr, lsmrule);
1158 int security_audit_rule_known(struct audit_krule *krule)
1160 return security_ops->audit_rule_known(krule);
1163 void security_audit_rule_free(void *lsmrule)
1165 security_ops->audit_rule_free(lsmrule);
1168 int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1169 struct audit_context *actx)
1171 return security_ops->audit_rule_match(secid, field, op, lsmrule, actx);
1174 #endif /* CONFIG_AUDIT */