CRED: fix sparse warnings
[linux-2.6/mini2440.git] / security / security.c
blobf0d96a6cc4e91f6083da05314c51ad94b68ba96c
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(struct cred *new, const struct cred *old,
149 const kernel_cap_t *effective,
150 const kernel_cap_t *inheritable,
151 const kernel_cap_t *permitted)
153 return security_ops->capset(new, old,
154 effective, inheritable, permitted);
157 int security_capable(struct task_struct *tsk, int cap)
159 return security_ops->capable(tsk, cap, SECURITY_CAP_AUDIT);
162 int security_capable_noaudit(struct task_struct *tsk, int cap)
164 return security_ops->capable(tsk, cap, SECURITY_CAP_NOAUDIT);
167 int security_acct(struct file *file)
169 return security_ops->acct(file);
172 int security_sysctl(struct ctl_table *table, int op)
174 return security_ops->sysctl(table, op);
177 int security_quotactl(int cmds, int type, int id, struct super_block *sb)
179 return security_ops->quotactl(cmds, type, id, sb);
182 int security_quota_on(struct dentry *dentry)
184 return security_ops->quota_on(dentry);
187 int security_syslog(int type)
189 return security_ops->syslog(type);
192 int security_settime(struct timespec *ts, struct timezone *tz)
194 return security_ops->settime(ts, tz);
197 int security_vm_enough_memory(long pages)
199 WARN_ON(current->mm == NULL);
200 return security_ops->vm_enough_memory(current->mm, pages);
203 int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
205 WARN_ON(mm == NULL);
206 return security_ops->vm_enough_memory(mm, pages);
209 int security_vm_enough_memory_kern(long pages)
211 /* If current->mm is a kernel thread then we will pass NULL,
212 for this specific case that is fine */
213 return security_ops->vm_enough_memory(current->mm, pages);
216 int security_bprm_set_creds(struct linux_binprm *bprm)
218 return security_ops->bprm_set_creds(bprm);
221 int security_bprm_check(struct linux_binprm *bprm)
223 return security_ops->bprm_check_security(bprm);
226 void security_bprm_committing_creds(struct linux_binprm *bprm)
228 security_ops->bprm_committing_creds(bprm);
231 void security_bprm_committed_creds(struct linux_binprm *bprm)
233 security_ops->bprm_committed_creds(bprm);
236 int security_bprm_secureexec(struct linux_binprm *bprm)
238 return security_ops->bprm_secureexec(bprm);
241 int security_sb_alloc(struct super_block *sb)
243 return security_ops->sb_alloc_security(sb);
246 void security_sb_free(struct super_block *sb)
248 security_ops->sb_free_security(sb);
251 int security_sb_copy_data(char *orig, char *copy)
253 return security_ops->sb_copy_data(orig, copy);
255 EXPORT_SYMBOL(security_sb_copy_data);
257 int security_sb_kern_mount(struct super_block *sb, void *data)
259 return security_ops->sb_kern_mount(sb, data);
262 int security_sb_show_options(struct seq_file *m, struct super_block *sb)
264 return security_ops->sb_show_options(m, sb);
267 int security_sb_statfs(struct dentry *dentry)
269 return security_ops->sb_statfs(dentry);
272 int security_sb_mount(char *dev_name, struct path *path,
273 char *type, unsigned long flags, void *data)
275 return security_ops->sb_mount(dev_name, path, type, flags, data);
278 int security_sb_check_sb(struct vfsmount *mnt, struct path *path)
280 return security_ops->sb_check_sb(mnt, path);
283 int security_sb_umount(struct vfsmount *mnt, int flags)
285 return security_ops->sb_umount(mnt, flags);
288 void security_sb_umount_close(struct vfsmount *mnt)
290 security_ops->sb_umount_close(mnt);
293 void security_sb_umount_busy(struct vfsmount *mnt)
295 security_ops->sb_umount_busy(mnt);
298 void security_sb_post_remount(struct vfsmount *mnt, unsigned long flags, void *data)
300 security_ops->sb_post_remount(mnt, flags, data);
303 void security_sb_post_addmount(struct vfsmount *mnt, struct path *mountpoint)
305 security_ops->sb_post_addmount(mnt, mountpoint);
308 int security_sb_pivotroot(struct path *old_path, struct path *new_path)
310 return security_ops->sb_pivotroot(old_path, new_path);
313 void security_sb_post_pivotroot(struct path *old_path, struct path *new_path)
315 security_ops->sb_post_pivotroot(old_path, new_path);
318 int security_sb_set_mnt_opts(struct super_block *sb,
319 struct security_mnt_opts *opts)
321 return security_ops->sb_set_mnt_opts(sb, opts);
323 EXPORT_SYMBOL(security_sb_set_mnt_opts);
325 void security_sb_clone_mnt_opts(const struct super_block *oldsb,
326 struct super_block *newsb)
328 security_ops->sb_clone_mnt_opts(oldsb, newsb);
330 EXPORT_SYMBOL(security_sb_clone_mnt_opts);
332 int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
334 return security_ops->sb_parse_opts_str(options, opts);
336 EXPORT_SYMBOL(security_sb_parse_opts_str);
338 int security_inode_alloc(struct inode *inode)
340 inode->i_security = NULL;
341 return security_ops->inode_alloc_security(inode);
344 void security_inode_free(struct inode *inode)
346 security_ops->inode_free_security(inode);
349 int security_inode_init_security(struct inode *inode, struct inode *dir,
350 char **name, void **value, size_t *len)
352 if (unlikely(IS_PRIVATE(inode)))
353 return -EOPNOTSUPP;
354 return security_ops->inode_init_security(inode, dir, name, value, len);
356 EXPORT_SYMBOL(security_inode_init_security);
358 int security_inode_create(struct inode *dir, struct dentry *dentry, int mode)
360 if (unlikely(IS_PRIVATE(dir)))
361 return 0;
362 return security_ops->inode_create(dir, dentry, mode);
365 int security_inode_link(struct dentry *old_dentry, struct inode *dir,
366 struct dentry *new_dentry)
368 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
369 return 0;
370 return security_ops->inode_link(old_dentry, dir, new_dentry);
373 int security_inode_unlink(struct inode *dir, struct dentry *dentry)
375 if (unlikely(IS_PRIVATE(dentry->d_inode)))
376 return 0;
377 return security_ops->inode_unlink(dir, dentry);
380 int security_inode_symlink(struct inode *dir, struct dentry *dentry,
381 const char *old_name)
383 if (unlikely(IS_PRIVATE(dir)))
384 return 0;
385 return security_ops->inode_symlink(dir, dentry, old_name);
388 int security_inode_mkdir(struct inode *dir, struct dentry *dentry, int mode)
390 if (unlikely(IS_PRIVATE(dir)))
391 return 0;
392 return security_ops->inode_mkdir(dir, dentry, mode);
395 int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
397 if (unlikely(IS_PRIVATE(dentry->d_inode)))
398 return 0;
399 return security_ops->inode_rmdir(dir, dentry);
402 int security_inode_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
404 if (unlikely(IS_PRIVATE(dir)))
405 return 0;
406 return security_ops->inode_mknod(dir, dentry, mode, dev);
409 int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
410 struct inode *new_dir, struct dentry *new_dentry)
412 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
413 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
414 return 0;
415 return security_ops->inode_rename(old_dir, old_dentry,
416 new_dir, new_dentry);
419 int security_inode_readlink(struct dentry *dentry)
421 if (unlikely(IS_PRIVATE(dentry->d_inode)))
422 return 0;
423 return security_ops->inode_readlink(dentry);
426 int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd)
428 if (unlikely(IS_PRIVATE(dentry->d_inode)))
429 return 0;
430 return security_ops->inode_follow_link(dentry, nd);
433 int security_inode_permission(struct inode *inode, int mask)
435 if (unlikely(IS_PRIVATE(inode)))
436 return 0;
437 return security_ops->inode_permission(inode, mask);
440 int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
442 if (unlikely(IS_PRIVATE(dentry->d_inode)))
443 return 0;
444 return security_ops->inode_setattr(dentry, attr);
446 EXPORT_SYMBOL_GPL(security_inode_setattr);
448 int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
450 if (unlikely(IS_PRIVATE(dentry->d_inode)))
451 return 0;
452 return security_ops->inode_getattr(mnt, dentry);
455 void security_inode_delete(struct inode *inode)
457 if (unlikely(IS_PRIVATE(inode)))
458 return;
459 security_ops->inode_delete(inode);
462 int security_inode_setxattr(struct dentry *dentry, const char *name,
463 const void *value, size_t size, int flags)
465 if (unlikely(IS_PRIVATE(dentry->d_inode)))
466 return 0;
467 return security_ops->inode_setxattr(dentry, name, value, size, flags);
470 void security_inode_post_setxattr(struct dentry *dentry, const char *name,
471 const void *value, size_t size, int flags)
473 if (unlikely(IS_PRIVATE(dentry->d_inode)))
474 return;
475 security_ops->inode_post_setxattr(dentry, name, value, size, flags);
478 int security_inode_getxattr(struct dentry *dentry, const char *name)
480 if (unlikely(IS_PRIVATE(dentry->d_inode)))
481 return 0;
482 return security_ops->inode_getxattr(dentry, name);
485 int security_inode_listxattr(struct dentry *dentry)
487 if (unlikely(IS_PRIVATE(dentry->d_inode)))
488 return 0;
489 return security_ops->inode_listxattr(dentry);
492 int security_inode_removexattr(struct dentry *dentry, const char *name)
494 if (unlikely(IS_PRIVATE(dentry->d_inode)))
495 return 0;
496 return security_ops->inode_removexattr(dentry, name);
499 int security_inode_need_killpriv(struct dentry *dentry)
501 return security_ops->inode_need_killpriv(dentry);
504 int security_inode_killpriv(struct dentry *dentry)
506 return security_ops->inode_killpriv(dentry);
509 int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
511 if (unlikely(IS_PRIVATE(inode)))
512 return 0;
513 return security_ops->inode_getsecurity(inode, name, buffer, alloc);
516 int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
518 if (unlikely(IS_PRIVATE(inode)))
519 return 0;
520 return security_ops->inode_setsecurity(inode, name, value, size, flags);
523 int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
525 if (unlikely(IS_PRIVATE(inode)))
526 return 0;
527 return security_ops->inode_listsecurity(inode, buffer, buffer_size);
530 void security_inode_getsecid(const struct inode *inode, u32 *secid)
532 security_ops->inode_getsecid(inode, secid);
535 int security_file_permission(struct file *file, int mask)
537 return security_ops->file_permission(file, mask);
540 int security_file_alloc(struct file *file)
542 return security_ops->file_alloc_security(file);
545 void security_file_free(struct file *file)
547 security_ops->file_free_security(file);
550 int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
552 return security_ops->file_ioctl(file, cmd, arg);
555 int security_file_mmap(struct file *file, unsigned long reqprot,
556 unsigned long prot, unsigned long flags,
557 unsigned long addr, unsigned long addr_only)
559 return security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only);
562 int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
563 unsigned long prot)
565 return security_ops->file_mprotect(vma, reqprot, prot);
568 int security_file_lock(struct file *file, unsigned int cmd)
570 return security_ops->file_lock(file, cmd);
573 int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
575 return security_ops->file_fcntl(file, cmd, arg);
578 int security_file_set_fowner(struct file *file)
580 return security_ops->file_set_fowner(file);
583 int security_file_send_sigiotask(struct task_struct *tsk,
584 struct fown_struct *fown, int sig)
586 return security_ops->file_send_sigiotask(tsk, fown, sig);
589 int security_file_receive(struct file *file)
591 return security_ops->file_receive(file);
594 int security_dentry_open(struct file *file, const struct cred *cred)
596 return security_ops->dentry_open(file, cred);
599 int security_task_create(unsigned long clone_flags)
601 return security_ops->task_create(clone_flags);
604 void security_cred_free(struct cred *cred)
606 security_ops->cred_free(cred);
609 int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp)
611 return security_ops->cred_prepare(new, old, gfp);
614 void security_commit_creds(struct cred *new, const struct cred *old)
616 security_ops->cred_commit(new, old);
619 int security_kernel_act_as(struct cred *new, u32 secid)
621 return security_ops->kernel_act_as(new, secid);
624 int security_kernel_create_files_as(struct cred *new, struct inode *inode)
626 return security_ops->kernel_create_files_as(new, inode);
629 int security_task_setuid(uid_t id0, uid_t id1, uid_t id2, int flags)
631 return security_ops->task_setuid(id0, id1, id2, flags);
634 int security_task_fix_setuid(struct cred *new, const struct cred *old,
635 int flags)
637 return security_ops->task_fix_setuid(new, old, flags);
640 int security_task_setgid(gid_t id0, gid_t id1, gid_t id2, int flags)
642 return security_ops->task_setgid(id0, id1, id2, flags);
645 int security_task_setpgid(struct task_struct *p, pid_t pgid)
647 return security_ops->task_setpgid(p, pgid);
650 int security_task_getpgid(struct task_struct *p)
652 return security_ops->task_getpgid(p);
655 int security_task_getsid(struct task_struct *p)
657 return security_ops->task_getsid(p);
660 void security_task_getsecid(struct task_struct *p, u32 *secid)
662 security_ops->task_getsecid(p, secid);
664 EXPORT_SYMBOL(security_task_getsecid);
666 int security_task_setgroups(struct group_info *group_info)
668 return security_ops->task_setgroups(group_info);
671 int security_task_setnice(struct task_struct *p, int nice)
673 return security_ops->task_setnice(p, nice);
676 int security_task_setioprio(struct task_struct *p, int ioprio)
678 return security_ops->task_setioprio(p, ioprio);
681 int security_task_getioprio(struct task_struct *p)
683 return security_ops->task_getioprio(p);
686 int security_task_setrlimit(unsigned int resource, struct rlimit *new_rlim)
688 return security_ops->task_setrlimit(resource, new_rlim);
691 int security_task_setscheduler(struct task_struct *p,
692 int policy, struct sched_param *lp)
694 return security_ops->task_setscheduler(p, policy, lp);
697 int security_task_getscheduler(struct task_struct *p)
699 return security_ops->task_getscheduler(p);
702 int security_task_movememory(struct task_struct *p)
704 return security_ops->task_movememory(p);
707 int security_task_kill(struct task_struct *p, struct siginfo *info,
708 int sig, u32 secid)
710 return security_ops->task_kill(p, info, sig, secid);
713 int security_task_wait(struct task_struct *p)
715 return security_ops->task_wait(p);
718 int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
719 unsigned long arg4, unsigned long arg5)
721 return security_ops->task_prctl(option, arg2, arg3, arg4, arg5);
724 void security_task_to_inode(struct task_struct *p, struct inode *inode)
726 security_ops->task_to_inode(p, inode);
729 int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
731 return security_ops->ipc_permission(ipcp, flag);
734 void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
736 security_ops->ipc_getsecid(ipcp, secid);
739 int security_msg_msg_alloc(struct msg_msg *msg)
741 return security_ops->msg_msg_alloc_security(msg);
744 void security_msg_msg_free(struct msg_msg *msg)
746 security_ops->msg_msg_free_security(msg);
749 int security_msg_queue_alloc(struct msg_queue *msq)
751 return security_ops->msg_queue_alloc_security(msq);
754 void security_msg_queue_free(struct msg_queue *msq)
756 security_ops->msg_queue_free_security(msq);
759 int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
761 return security_ops->msg_queue_associate(msq, msqflg);
764 int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
766 return security_ops->msg_queue_msgctl(msq, cmd);
769 int security_msg_queue_msgsnd(struct msg_queue *msq,
770 struct msg_msg *msg, int msqflg)
772 return security_ops->msg_queue_msgsnd(msq, msg, msqflg);
775 int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
776 struct task_struct *target, long type, int mode)
778 return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode);
781 int security_shm_alloc(struct shmid_kernel *shp)
783 return security_ops->shm_alloc_security(shp);
786 void security_shm_free(struct shmid_kernel *shp)
788 security_ops->shm_free_security(shp);
791 int security_shm_associate(struct shmid_kernel *shp, int shmflg)
793 return security_ops->shm_associate(shp, shmflg);
796 int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
798 return security_ops->shm_shmctl(shp, cmd);
801 int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
803 return security_ops->shm_shmat(shp, shmaddr, shmflg);
806 int security_sem_alloc(struct sem_array *sma)
808 return security_ops->sem_alloc_security(sma);
811 void security_sem_free(struct sem_array *sma)
813 security_ops->sem_free_security(sma);
816 int security_sem_associate(struct sem_array *sma, int semflg)
818 return security_ops->sem_associate(sma, semflg);
821 int security_sem_semctl(struct sem_array *sma, int cmd)
823 return security_ops->sem_semctl(sma, cmd);
826 int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
827 unsigned nsops, int alter)
829 return security_ops->sem_semop(sma, sops, nsops, alter);
832 void security_d_instantiate(struct dentry *dentry, struct inode *inode)
834 if (unlikely(inode && IS_PRIVATE(inode)))
835 return;
836 security_ops->d_instantiate(dentry, inode);
838 EXPORT_SYMBOL(security_d_instantiate);
840 int security_getprocattr(struct task_struct *p, char *name, char **value)
842 return security_ops->getprocattr(p, name, value);
845 int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
847 return security_ops->setprocattr(p, name, value, size);
850 int security_netlink_send(struct sock *sk, struct sk_buff *skb)
852 return security_ops->netlink_send(sk, skb);
855 int security_netlink_recv(struct sk_buff *skb, int cap)
857 return security_ops->netlink_recv(skb, cap);
859 EXPORT_SYMBOL(security_netlink_recv);
861 int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
863 return security_ops->secid_to_secctx(secid, secdata, seclen);
865 EXPORT_SYMBOL(security_secid_to_secctx);
867 int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
869 return security_ops->secctx_to_secid(secdata, seclen, secid);
871 EXPORT_SYMBOL(security_secctx_to_secid);
873 void security_release_secctx(char *secdata, u32 seclen)
875 security_ops->release_secctx(secdata, seclen);
877 EXPORT_SYMBOL(security_release_secctx);
879 #ifdef CONFIG_SECURITY_NETWORK
881 int security_unix_stream_connect(struct socket *sock, struct socket *other,
882 struct sock *newsk)
884 return security_ops->unix_stream_connect(sock, other, newsk);
886 EXPORT_SYMBOL(security_unix_stream_connect);
888 int security_unix_may_send(struct socket *sock, struct socket *other)
890 return security_ops->unix_may_send(sock, other);
892 EXPORT_SYMBOL(security_unix_may_send);
894 int security_socket_create(int family, int type, int protocol, int kern)
896 return security_ops->socket_create(family, type, protocol, kern);
899 int security_socket_post_create(struct socket *sock, int family,
900 int type, int protocol, int kern)
902 return security_ops->socket_post_create(sock, family, type,
903 protocol, kern);
906 int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
908 return security_ops->socket_bind(sock, address, addrlen);
911 int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
913 return security_ops->socket_connect(sock, address, addrlen);
916 int security_socket_listen(struct socket *sock, int backlog)
918 return security_ops->socket_listen(sock, backlog);
921 int security_socket_accept(struct socket *sock, struct socket *newsock)
923 return security_ops->socket_accept(sock, newsock);
926 void security_socket_post_accept(struct socket *sock, struct socket *newsock)
928 security_ops->socket_post_accept(sock, newsock);
931 int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
933 return security_ops->socket_sendmsg(sock, msg, size);
936 int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
937 int size, int flags)
939 return security_ops->socket_recvmsg(sock, msg, size, flags);
942 int security_socket_getsockname(struct socket *sock)
944 return security_ops->socket_getsockname(sock);
947 int security_socket_getpeername(struct socket *sock)
949 return security_ops->socket_getpeername(sock);
952 int security_socket_getsockopt(struct socket *sock, int level, int optname)
954 return security_ops->socket_getsockopt(sock, level, optname);
957 int security_socket_setsockopt(struct socket *sock, int level, int optname)
959 return security_ops->socket_setsockopt(sock, level, optname);
962 int security_socket_shutdown(struct socket *sock, int how)
964 return security_ops->socket_shutdown(sock, how);
967 int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
969 return security_ops->socket_sock_rcv_skb(sk, skb);
971 EXPORT_SYMBOL(security_sock_rcv_skb);
973 int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
974 int __user *optlen, unsigned len)
976 return security_ops->socket_getpeersec_stream(sock, optval, optlen, len);
979 int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
981 return security_ops->socket_getpeersec_dgram(sock, skb, secid);
983 EXPORT_SYMBOL(security_socket_getpeersec_dgram);
985 int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
987 return security_ops->sk_alloc_security(sk, family, priority);
990 void security_sk_free(struct sock *sk)
992 security_ops->sk_free_security(sk);
995 void security_sk_clone(const struct sock *sk, struct sock *newsk)
997 security_ops->sk_clone_security(sk, newsk);
1000 void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1002 security_ops->sk_getsecid(sk, &fl->secid);
1004 EXPORT_SYMBOL(security_sk_classify_flow);
1006 void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1008 security_ops->req_classify_flow(req, fl);
1010 EXPORT_SYMBOL(security_req_classify_flow);
1012 void security_sock_graft(struct sock *sk, struct socket *parent)
1014 security_ops->sock_graft(sk, parent);
1016 EXPORT_SYMBOL(security_sock_graft);
1018 int security_inet_conn_request(struct sock *sk,
1019 struct sk_buff *skb, struct request_sock *req)
1021 return security_ops->inet_conn_request(sk, skb, req);
1023 EXPORT_SYMBOL(security_inet_conn_request);
1025 void security_inet_csk_clone(struct sock *newsk,
1026 const struct request_sock *req)
1028 security_ops->inet_csk_clone(newsk, req);
1031 void security_inet_conn_established(struct sock *sk,
1032 struct sk_buff *skb)
1034 security_ops->inet_conn_established(sk, skb);
1037 #endif /* CONFIG_SECURITY_NETWORK */
1039 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1041 int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *sec_ctx)
1043 return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx);
1045 EXPORT_SYMBOL(security_xfrm_policy_alloc);
1047 int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
1048 struct xfrm_sec_ctx **new_ctxp)
1050 return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp);
1053 void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
1055 security_ops->xfrm_policy_free_security(ctx);
1057 EXPORT_SYMBOL(security_xfrm_policy_free);
1059 int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
1061 return security_ops->xfrm_policy_delete_security(ctx);
1064 int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx)
1066 return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0);
1068 EXPORT_SYMBOL(security_xfrm_state_alloc);
1070 int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1071 struct xfrm_sec_ctx *polsec, u32 secid)
1073 if (!polsec)
1074 return 0;
1076 * We want the context to be taken from secid which is usually
1077 * from the sock.
1079 return security_ops->xfrm_state_alloc_security(x, NULL, secid);
1082 int security_xfrm_state_delete(struct xfrm_state *x)
1084 return security_ops->xfrm_state_delete_security(x);
1086 EXPORT_SYMBOL(security_xfrm_state_delete);
1088 void security_xfrm_state_free(struct xfrm_state *x)
1090 security_ops->xfrm_state_free_security(x);
1093 int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
1095 return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir);
1098 int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1099 struct xfrm_policy *xp, struct flowi *fl)
1101 return security_ops->xfrm_state_pol_flow_match(x, xp, fl);
1104 int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1106 return security_ops->xfrm_decode_session(skb, secid, 1);
1109 void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1111 int rc = security_ops->xfrm_decode_session(skb, &fl->secid, 0);
1113 BUG_ON(rc);
1115 EXPORT_SYMBOL(security_skb_classify_flow);
1117 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1119 #ifdef CONFIG_KEYS
1121 int security_key_alloc(struct key *key, const struct cred *cred,
1122 unsigned long flags)
1124 return security_ops->key_alloc(key, cred, flags);
1127 void security_key_free(struct key *key)
1129 security_ops->key_free(key);
1132 int security_key_permission(key_ref_t key_ref,
1133 const struct cred *cred, key_perm_t perm)
1135 return security_ops->key_permission(key_ref, cred, perm);
1138 int security_key_getsecurity(struct key *key, char **_buffer)
1140 return security_ops->key_getsecurity(key, _buffer);
1143 #endif /* CONFIG_KEYS */
1145 #ifdef CONFIG_AUDIT
1147 int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
1149 return security_ops->audit_rule_init(field, op, rulestr, lsmrule);
1152 int security_audit_rule_known(struct audit_krule *krule)
1154 return security_ops->audit_rule_known(krule);
1157 void security_audit_rule_free(void *lsmrule)
1159 security_ops->audit_rule_free(lsmrule);
1162 int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1163 struct audit_context *actx)
1165 return security_ops->audit_rule_match(secid, field, op, lsmrule, actx);
1168 #endif /* CONFIG_AUDIT */