bio: make use of bvec_nr_vecs
[linux-2.6/mini2440.git] / security / security.c
blobff7068727757639149501937043766d2199a8228
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(struct task_struct *parent, struct task_struct *child,
131 unsigned int mode)
133 return security_ops->ptrace(parent, child, mode);
136 int security_capget(struct task_struct *target,
137 kernel_cap_t *effective,
138 kernel_cap_t *inheritable,
139 kernel_cap_t *permitted)
141 return security_ops->capget(target, effective, inheritable, permitted);
144 int security_capset_check(struct task_struct *target,
145 kernel_cap_t *effective,
146 kernel_cap_t *inheritable,
147 kernel_cap_t *permitted)
149 return security_ops->capset_check(target, effective, inheritable, permitted);
152 void security_capset_set(struct task_struct *target,
153 kernel_cap_t *effective,
154 kernel_cap_t *inheritable,
155 kernel_cap_t *permitted)
157 security_ops->capset_set(target, effective, inheritable, permitted);
160 int security_capable(struct task_struct *tsk, int cap)
162 return security_ops->capable(tsk, cap);
165 int security_acct(struct file *file)
167 return security_ops->acct(file);
170 int security_sysctl(struct ctl_table *table, int op)
172 return security_ops->sysctl(table, op);
175 int security_quotactl(int cmds, int type, int id, struct super_block *sb)
177 return security_ops->quotactl(cmds, type, id, sb);
180 int security_quota_on(struct dentry *dentry)
182 return security_ops->quota_on(dentry);
185 int security_syslog(int type)
187 return security_ops->syslog(type);
190 int security_settime(struct timespec *ts, struct timezone *tz)
192 return security_ops->settime(ts, tz);
195 int security_vm_enough_memory(long pages)
197 return security_ops->vm_enough_memory(current->mm, pages);
200 int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
202 return security_ops->vm_enough_memory(mm, pages);
205 int security_bprm_alloc(struct linux_binprm *bprm)
207 return security_ops->bprm_alloc_security(bprm);
210 void security_bprm_free(struct linux_binprm *bprm)
212 security_ops->bprm_free_security(bprm);
215 void security_bprm_apply_creds(struct linux_binprm *bprm, int unsafe)
217 security_ops->bprm_apply_creds(bprm, unsafe);
220 void security_bprm_post_apply_creds(struct linux_binprm *bprm)
222 security_ops->bprm_post_apply_creds(bprm);
225 int security_bprm_set(struct linux_binprm *bprm)
227 return security_ops->bprm_set_security(bprm);
230 int security_bprm_check(struct linux_binprm *bprm)
232 return security_ops->bprm_check_security(bprm);
235 int security_bprm_secureexec(struct linux_binprm *bprm)
237 return security_ops->bprm_secureexec(bprm);
240 int security_sb_alloc(struct super_block *sb)
242 return security_ops->sb_alloc_security(sb);
245 void security_sb_free(struct super_block *sb)
247 security_ops->sb_free_security(sb);
250 int security_sb_copy_data(char *orig, char *copy)
252 return security_ops->sb_copy_data(orig, copy);
254 EXPORT_SYMBOL(security_sb_copy_data);
256 int security_sb_kern_mount(struct super_block *sb, void *data)
258 return security_ops->sb_kern_mount(sb, data);
261 int security_sb_show_options(struct seq_file *m, struct super_block *sb)
263 return security_ops->sb_show_options(m, sb);
266 int security_sb_statfs(struct dentry *dentry)
268 return security_ops->sb_statfs(dentry);
271 int security_sb_mount(char *dev_name, struct path *path,
272 char *type, unsigned long flags, void *data)
274 return security_ops->sb_mount(dev_name, path, type, flags, data);
277 int security_sb_check_sb(struct vfsmount *mnt, struct path *path)
279 return security_ops->sb_check_sb(mnt, path);
282 int security_sb_umount(struct vfsmount *mnt, int flags)
284 return security_ops->sb_umount(mnt, flags);
287 void security_sb_umount_close(struct vfsmount *mnt)
289 security_ops->sb_umount_close(mnt);
292 void security_sb_umount_busy(struct vfsmount *mnt)
294 security_ops->sb_umount_busy(mnt);
297 void security_sb_post_remount(struct vfsmount *mnt, unsigned long flags, void *data)
299 security_ops->sb_post_remount(mnt, flags, data);
302 void security_sb_post_addmount(struct vfsmount *mnt, struct path *mountpoint)
304 security_ops->sb_post_addmount(mnt, mountpoint);
307 int security_sb_pivotroot(struct path *old_path, struct path *new_path)
309 return security_ops->sb_pivotroot(old_path, new_path);
312 void security_sb_post_pivotroot(struct path *old_path, struct path *new_path)
314 security_ops->sb_post_pivotroot(old_path, new_path);
317 int security_sb_set_mnt_opts(struct super_block *sb,
318 struct security_mnt_opts *opts)
320 return security_ops->sb_set_mnt_opts(sb, opts);
322 EXPORT_SYMBOL(security_sb_set_mnt_opts);
324 void security_sb_clone_mnt_opts(const struct super_block *oldsb,
325 struct super_block *newsb)
327 security_ops->sb_clone_mnt_opts(oldsb, newsb);
329 EXPORT_SYMBOL(security_sb_clone_mnt_opts);
331 int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
333 return security_ops->sb_parse_opts_str(options, opts);
335 EXPORT_SYMBOL(security_sb_parse_opts_str);
337 int security_inode_alloc(struct inode *inode)
339 inode->i_security = NULL;
340 return security_ops->inode_alloc_security(inode);
343 void security_inode_free(struct inode *inode)
345 security_ops->inode_free_security(inode);
348 int security_inode_init_security(struct inode *inode, struct inode *dir,
349 char **name, void **value, size_t *len)
351 if (unlikely(IS_PRIVATE(inode)))
352 return -EOPNOTSUPP;
353 return security_ops->inode_init_security(inode, dir, name, value, len);
355 EXPORT_SYMBOL(security_inode_init_security);
357 int security_inode_create(struct inode *dir, struct dentry *dentry, int mode)
359 if (unlikely(IS_PRIVATE(dir)))
360 return 0;
361 return security_ops->inode_create(dir, dentry, mode);
364 int security_inode_link(struct dentry *old_dentry, struct inode *dir,
365 struct dentry *new_dentry)
367 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
368 return 0;
369 return security_ops->inode_link(old_dentry, dir, new_dentry);
372 int security_inode_unlink(struct inode *dir, struct dentry *dentry)
374 if (unlikely(IS_PRIVATE(dentry->d_inode)))
375 return 0;
376 return security_ops->inode_unlink(dir, dentry);
379 int security_inode_symlink(struct inode *dir, struct dentry *dentry,
380 const char *old_name)
382 if (unlikely(IS_PRIVATE(dir)))
383 return 0;
384 return security_ops->inode_symlink(dir, dentry, old_name);
387 int security_inode_mkdir(struct inode *dir, struct dentry *dentry, int mode)
389 if (unlikely(IS_PRIVATE(dir)))
390 return 0;
391 return security_ops->inode_mkdir(dir, dentry, mode);
394 int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
396 if (unlikely(IS_PRIVATE(dentry->d_inode)))
397 return 0;
398 return security_ops->inode_rmdir(dir, dentry);
401 int security_inode_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
403 if (unlikely(IS_PRIVATE(dir)))
404 return 0;
405 return security_ops->inode_mknod(dir, dentry, mode, dev);
408 int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
409 struct inode *new_dir, struct dentry *new_dentry)
411 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
412 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
413 return 0;
414 return security_ops->inode_rename(old_dir, old_dentry,
415 new_dir, new_dentry);
418 int security_inode_readlink(struct dentry *dentry)
420 if (unlikely(IS_PRIVATE(dentry->d_inode)))
421 return 0;
422 return security_ops->inode_readlink(dentry);
425 int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd)
427 if (unlikely(IS_PRIVATE(dentry->d_inode)))
428 return 0;
429 return security_ops->inode_follow_link(dentry, nd);
432 int security_inode_permission(struct inode *inode, int mask)
434 if (unlikely(IS_PRIVATE(inode)))
435 return 0;
436 return security_ops->inode_permission(inode, mask);
439 int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
441 if (unlikely(IS_PRIVATE(dentry->d_inode)))
442 return 0;
443 return security_ops->inode_setattr(dentry, attr);
445 EXPORT_SYMBOL_GPL(security_inode_setattr);
447 int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
449 if (unlikely(IS_PRIVATE(dentry->d_inode)))
450 return 0;
451 return security_ops->inode_getattr(mnt, dentry);
454 void security_inode_delete(struct inode *inode)
456 if (unlikely(IS_PRIVATE(inode)))
457 return;
458 security_ops->inode_delete(inode);
461 int security_inode_setxattr(struct dentry *dentry, const char *name,
462 const void *value, size_t size, int flags)
464 if (unlikely(IS_PRIVATE(dentry->d_inode)))
465 return 0;
466 return security_ops->inode_setxattr(dentry, name, value, size, flags);
469 void security_inode_post_setxattr(struct dentry *dentry, const char *name,
470 const void *value, size_t size, int flags)
472 if (unlikely(IS_PRIVATE(dentry->d_inode)))
473 return;
474 security_ops->inode_post_setxattr(dentry, name, value, size, flags);
477 int security_inode_getxattr(struct dentry *dentry, const char *name)
479 if (unlikely(IS_PRIVATE(dentry->d_inode)))
480 return 0;
481 return security_ops->inode_getxattr(dentry, name);
484 int security_inode_listxattr(struct dentry *dentry)
486 if (unlikely(IS_PRIVATE(dentry->d_inode)))
487 return 0;
488 return security_ops->inode_listxattr(dentry);
491 int security_inode_removexattr(struct dentry *dentry, const char *name)
493 if (unlikely(IS_PRIVATE(dentry->d_inode)))
494 return 0;
495 return security_ops->inode_removexattr(dentry, name);
498 int security_inode_need_killpriv(struct dentry *dentry)
500 return security_ops->inode_need_killpriv(dentry);
503 int security_inode_killpriv(struct dentry *dentry)
505 return security_ops->inode_killpriv(dentry);
508 int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
510 if (unlikely(IS_PRIVATE(inode)))
511 return 0;
512 return security_ops->inode_getsecurity(inode, name, buffer, alloc);
515 int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
517 if (unlikely(IS_PRIVATE(inode)))
518 return 0;
519 return security_ops->inode_setsecurity(inode, name, value, size, flags);
522 int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
524 if (unlikely(IS_PRIVATE(inode)))
525 return 0;
526 return security_ops->inode_listsecurity(inode, buffer, buffer_size);
529 void security_inode_getsecid(const struct inode *inode, u32 *secid)
531 security_ops->inode_getsecid(inode, secid);
534 int security_file_permission(struct file *file, int mask)
536 return security_ops->file_permission(file, mask);
539 int security_file_alloc(struct file *file)
541 return security_ops->file_alloc_security(file);
544 void security_file_free(struct file *file)
546 security_ops->file_free_security(file);
549 int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
551 return security_ops->file_ioctl(file, cmd, arg);
554 int security_file_mmap(struct file *file, unsigned long reqprot,
555 unsigned long prot, unsigned long flags,
556 unsigned long addr, unsigned long addr_only)
558 return security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only);
561 int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
562 unsigned long prot)
564 return security_ops->file_mprotect(vma, reqprot, prot);
567 int security_file_lock(struct file *file, unsigned int cmd)
569 return security_ops->file_lock(file, cmd);
572 int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
574 return security_ops->file_fcntl(file, cmd, arg);
577 int security_file_set_fowner(struct file *file)
579 return security_ops->file_set_fowner(file);
582 int security_file_send_sigiotask(struct task_struct *tsk,
583 struct fown_struct *fown, int sig)
585 return security_ops->file_send_sigiotask(tsk, fown, sig);
588 int security_file_receive(struct file *file)
590 return security_ops->file_receive(file);
593 int security_dentry_open(struct file *file)
595 return security_ops->dentry_open(file);
598 int security_task_create(unsigned long clone_flags)
600 return security_ops->task_create(clone_flags);
603 int security_task_alloc(struct task_struct *p)
605 return security_ops->task_alloc_security(p);
608 void security_task_free(struct task_struct *p)
610 security_ops->task_free_security(p);
613 int security_task_setuid(uid_t id0, uid_t id1, uid_t id2, int flags)
615 return security_ops->task_setuid(id0, id1, id2, flags);
618 int security_task_post_setuid(uid_t old_ruid, uid_t old_euid,
619 uid_t old_suid, int flags)
621 return security_ops->task_post_setuid(old_ruid, old_euid, old_suid, flags);
624 int security_task_setgid(gid_t id0, gid_t id1, gid_t id2, int flags)
626 return security_ops->task_setgid(id0, id1, id2, flags);
629 int security_task_setpgid(struct task_struct *p, pid_t pgid)
631 return security_ops->task_setpgid(p, pgid);
634 int security_task_getpgid(struct task_struct *p)
636 return security_ops->task_getpgid(p);
639 int security_task_getsid(struct task_struct *p)
641 return security_ops->task_getsid(p);
644 void security_task_getsecid(struct task_struct *p, u32 *secid)
646 security_ops->task_getsecid(p, secid);
648 EXPORT_SYMBOL(security_task_getsecid);
650 int security_task_setgroups(struct group_info *group_info)
652 return security_ops->task_setgroups(group_info);
655 int security_task_setnice(struct task_struct *p, int nice)
657 return security_ops->task_setnice(p, nice);
660 int security_task_setioprio(struct task_struct *p, int ioprio)
662 return security_ops->task_setioprio(p, ioprio);
665 int security_task_getioprio(struct task_struct *p)
667 return security_ops->task_getioprio(p);
670 int security_task_setrlimit(unsigned int resource, struct rlimit *new_rlim)
672 return security_ops->task_setrlimit(resource, new_rlim);
675 int security_task_setscheduler(struct task_struct *p,
676 int policy, struct sched_param *lp)
678 return security_ops->task_setscheduler(p, policy, lp);
681 int security_task_getscheduler(struct task_struct *p)
683 return security_ops->task_getscheduler(p);
686 int security_task_movememory(struct task_struct *p)
688 return security_ops->task_movememory(p);
691 int security_task_kill(struct task_struct *p, struct siginfo *info,
692 int sig, u32 secid)
694 return security_ops->task_kill(p, info, sig, secid);
697 int security_task_wait(struct task_struct *p)
699 return security_ops->task_wait(p);
702 int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
703 unsigned long arg4, unsigned long arg5, long *rc_p)
705 return security_ops->task_prctl(option, arg2, arg3, arg4, arg5, rc_p);
708 void security_task_reparent_to_init(struct task_struct *p)
710 security_ops->task_reparent_to_init(p);
713 void security_task_to_inode(struct task_struct *p, struct inode *inode)
715 security_ops->task_to_inode(p, inode);
718 int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
720 return security_ops->ipc_permission(ipcp, flag);
723 void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
725 security_ops->ipc_getsecid(ipcp, secid);
728 int security_msg_msg_alloc(struct msg_msg *msg)
730 return security_ops->msg_msg_alloc_security(msg);
733 void security_msg_msg_free(struct msg_msg *msg)
735 security_ops->msg_msg_free_security(msg);
738 int security_msg_queue_alloc(struct msg_queue *msq)
740 return security_ops->msg_queue_alloc_security(msq);
743 void security_msg_queue_free(struct msg_queue *msq)
745 security_ops->msg_queue_free_security(msq);
748 int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
750 return security_ops->msg_queue_associate(msq, msqflg);
753 int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
755 return security_ops->msg_queue_msgctl(msq, cmd);
758 int security_msg_queue_msgsnd(struct msg_queue *msq,
759 struct msg_msg *msg, int msqflg)
761 return security_ops->msg_queue_msgsnd(msq, msg, msqflg);
764 int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
765 struct task_struct *target, long type, int mode)
767 return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode);
770 int security_shm_alloc(struct shmid_kernel *shp)
772 return security_ops->shm_alloc_security(shp);
775 void security_shm_free(struct shmid_kernel *shp)
777 security_ops->shm_free_security(shp);
780 int security_shm_associate(struct shmid_kernel *shp, int shmflg)
782 return security_ops->shm_associate(shp, shmflg);
785 int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
787 return security_ops->shm_shmctl(shp, cmd);
790 int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
792 return security_ops->shm_shmat(shp, shmaddr, shmflg);
795 int security_sem_alloc(struct sem_array *sma)
797 return security_ops->sem_alloc_security(sma);
800 void security_sem_free(struct sem_array *sma)
802 security_ops->sem_free_security(sma);
805 int security_sem_associate(struct sem_array *sma, int semflg)
807 return security_ops->sem_associate(sma, semflg);
810 int security_sem_semctl(struct sem_array *sma, int cmd)
812 return security_ops->sem_semctl(sma, cmd);
815 int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
816 unsigned nsops, int alter)
818 return security_ops->sem_semop(sma, sops, nsops, alter);
821 void security_d_instantiate(struct dentry *dentry, struct inode *inode)
823 if (unlikely(inode && IS_PRIVATE(inode)))
824 return;
825 security_ops->d_instantiate(dentry, inode);
827 EXPORT_SYMBOL(security_d_instantiate);
829 int security_getprocattr(struct task_struct *p, char *name, char **value)
831 return security_ops->getprocattr(p, name, value);
834 int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
836 return security_ops->setprocattr(p, name, value, size);
839 int security_netlink_send(struct sock *sk, struct sk_buff *skb)
841 return security_ops->netlink_send(sk, skb);
844 int security_netlink_recv(struct sk_buff *skb, int cap)
846 return security_ops->netlink_recv(skb, cap);
848 EXPORT_SYMBOL(security_netlink_recv);
850 int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
852 return security_ops->secid_to_secctx(secid, secdata, seclen);
854 EXPORT_SYMBOL(security_secid_to_secctx);
856 int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
858 return security_ops->secctx_to_secid(secdata, seclen, secid);
860 EXPORT_SYMBOL(security_secctx_to_secid);
862 void security_release_secctx(char *secdata, u32 seclen)
864 security_ops->release_secctx(secdata, seclen);
866 EXPORT_SYMBOL(security_release_secctx);
868 #ifdef CONFIG_SECURITY_NETWORK
870 int security_unix_stream_connect(struct socket *sock, struct socket *other,
871 struct sock *newsk)
873 return security_ops->unix_stream_connect(sock, other, newsk);
875 EXPORT_SYMBOL(security_unix_stream_connect);
877 int security_unix_may_send(struct socket *sock, struct socket *other)
879 return security_ops->unix_may_send(sock, other);
881 EXPORT_SYMBOL(security_unix_may_send);
883 int security_socket_create(int family, int type, int protocol, int kern)
885 return security_ops->socket_create(family, type, protocol, kern);
888 int security_socket_post_create(struct socket *sock, int family,
889 int type, int protocol, int kern)
891 return security_ops->socket_post_create(sock, family, type,
892 protocol, kern);
895 int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
897 return security_ops->socket_bind(sock, address, addrlen);
900 int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
902 return security_ops->socket_connect(sock, address, addrlen);
905 int security_socket_listen(struct socket *sock, int backlog)
907 return security_ops->socket_listen(sock, backlog);
910 int security_socket_accept(struct socket *sock, struct socket *newsock)
912 return security_ops->socket_accept(sock, newsock);
915 void security_socket_post_accept(struct socket *sock, struct socket *newsock)
917 security_ops->socket_post_accept(sock, newsock);
920 int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
922 return security_ops->socket_sendmsg(sock, msg, size);
925 int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
926 int size, int flags)
928 return security_ops->socket_recvmsg(sock, msg, size, flags);
931 int security_socket_getsockname(struct socket *sock)
933 return security_ops->socket_getsockname(sock);
936 int security_socket_getpeername(struct socket *sock)
938 return security_ops->socket_getpeername(sock);
941 int security_socket_getsockopt(struct socket *sock, int level, int optname)
943 return security_ops->socket_getsockopt(sock, level, optname);
946 int security_socket_setsockopt(struct socket *sock, int level, int optname)
948 return security_ops->socket_setsockopt(sock, level, optname);
951 int security_socket_shutdown(struct socket *sock, int how)
953 return security_ops->socket_shutdown(sock, how);
956 int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
958 return security_ops->socket_sock_rcv_skb(sk, skb);
960 EXPORT_SYMBOL(security_sock_rcv_skb);
962 int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
963 int __user *optlen, unsigned len)
965 return security_ops->socket_getpeersec_stream(sock, optval, optlen, len);
968 int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
970 return security_ops->socket_getpeersec_dgram(sock, skb, secid);
972 EXPORT_SYMBOL(security_socket_getpeersec_dgram);
974 int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
976 return security_ops->sk_alloc_security(sk, family, priority);
979 void security_sk_free(struct sock *sk)
981 security_ops->sk_free_security(sk);
984 void security_sk_clone(const struct sock *sk, struct sock *newsk)
986 security_ops->sk_clone_security(sk, newsk);
989 void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
991 security_ops->sk_getsecid(sk, &fl->secid);
993 EXPORT_SYMBOL(security_sk_classify_flow);
995 void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
997 security_ops->req_classify_flow(req, fl);
999 EXPORT_SYMBOL(security_req_classify_flow);
1001 void security_sock_graft(struct sock *sk, struct socket *parent)
1003 security_ops->sock_graft(sk, parent);
1005 EXPORT_SYMBOL(security_sock_graft);
1007 int security_inet_conn_request(struct sock *sk,
1008 struct sk_buff *skb, struct request_sock *req)
1010 return security_ops->inet_conn_request(sk, skb, req);
1012 EXPORT_SYMBOL(security_inet_conn_request);
1014 void security_inet_csk_clone(struct sock *newsk,
1015 const struct request_sock *req)
1017 security_ops->inet_csk_clone(newsk, req);
1020 void security_inet_conn_established(struct sock *sk,
1021 struct sk_buff *skb)
1023 security_ops->inet_conn_established(sk, skb);
1026 #endif /* CONFIG_SECURITY_NETWORK */
1028 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1030 int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *sec_ctx)
1032 return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx);
1034 EXPORT_SYMBOL(security_xfrm_policy_alloc);
1036 int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
1037 struct xfrm_sec_ctx **new_ctxp)
1039 return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp);
1042 void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
1044 security_ops->xfrm_policy_free_security(ctx);
1046 EXPORT_SYMBOL(security_xfrm_policy_free);
1048 int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
1050 return security_ops->xfrm_policy_delete_security(ctx);
1053 int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx)
1055 return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0);
1057 EXPORT_SYMBOL(security_xfrm_state_alloc);
1059 int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1060 struct xfrm_sec_ctx *polsec, u32 secid)
1062 if (!polsec)
1063 return 0;
1065 * We want the context to be taken from secid which is usually
1066 * from the sock.
1068 return security_ops->xfrm_state_alloc_security(x, NULL, secid);
1071 int security_xfrm_state_delete(struct xfrm_state *x)
1073 return security_ops->xfrm_state_delete_security(x);
1075 EXPORT_SYMBOL(security_xfrm_state_delete);
1077 void security_xfrm_state_free(struct xfrm_state *x)
1079 security_ops->xfrm_state_free_security(x);
1082 int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
1084 return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir);
1087 int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1088 struct xfrm_policy *xp, struct flowi *fl)
1090 return security_ops->xfrm_state_pol_flow_match(x, xp, fl);
1093 int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1095 return security_ops->xfrm_decode_session(skb, secid, 1);
1098 void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1100 int rc = security_ops->xfrm_decode_session(skb, &fl->secid, 0);
1102 BUG_ON(rc);
1104 EXPORT_SYMBOL(security_skb_classify_flow);
1106 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1108 #ifdef CONFIG_KEYS
1110 int security_key_alloc(struct key *key, struct task_struct *tsk, unsigned long flags)
1112 return security_ops->key_alloc(key, tsk, flags);
1115 void security_key_free(struct key *key)
1117 security_ops->key_free(key);
1120 int security_key_permission(key_ref_t key_ref,
1121 struct task_struct *context, key_perm_t perm)
1123 return security_ops->key_permission(key_ref, context, perm);
1126 int security_key_getsecurity(struct key *key, char **_buffer)
1128 return security_ops->key_getsecurity(key, _buffer);
1131 #endif /* CONFIG_KEYS */
1133 #ifdef CONFIG_AUDIT
1135 int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
1137 return security_ops->audit_rule_init(field, op, rulestr, lsmrule);
1140 int security_audit_rule_known(struct audit_krule *krule)
1142 return security_ops->audit_rule_known(krule);
1145 void security_audit_rule_free(void *lsmrule)
1147 security_ops->audit_rule_free(lsmrule);
1150 int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1151 struct audit_context *actx)
1153 return security_ops->audit_rule_match(secid, field, op, lsmrule, actx);
1156 #endif /* CONFIG_AUDIT */