ACPI: PCI: remove callback from acpi_pci_irq_lookup & acpi_pci_irq_derive
[linux-2.6/mini2440.git] / security / security.c
blobc0acfa7177e5d1a01d19375f94bfa1ff819637a3
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);
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 WARN_ON(current->mm == NULL);
202 return security_ops->vm_enough_memory(current->mm, pages);
205 int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
207 WARN_ON(mm == NULL);
208 return security_ops->vm_enough_memory(mm, pages);
211 int security_vm_enough_memory_kern(long pages)
213 /* If current->mm is a kernel thread then we will pass NULL,
214 for this specific case that is fine */
215 return security_ops->vm_enough_memory(current->mm, pages);
218 int security_bprm_alloc(struct linux_binprm *bprm)
220 return security_ops->bprm_alloc_security(bprm);
223 void security_bprm_free(struct linux_binprm *bprm)
225 security_ops->bprm_free_security(bprm);
228 void security_bprm_apply_creds(struct linux_binprm *bprm, int unsafe)
230 security_ops->bprm_apply_creds(bprm, unsafe);
233 void security_bprm_post_apply_creds(struct linux_binprm *bprm)
235 security_ops->bprm_post_apply_creds(bprm);
238 int security_bprm_set(struct linux_binprm *bprm)
240 return security_ops->bprm_set_security(bprm);
243 int security_bprm_check(struct linux_binprm *bprm)
245 return security_ops->bprm_check_security(bprm);
248 int security_bprm_secureexec(struct linux_binprm *bprm)
250 return security_ops->bprm_secureexec(bprm);
253 int security_sb_alloc(struct super_block *sb)
255 return security_ops->sb_alloc_security(sb);
258 void security_sb_free(struct super_block *sb)
260 security_ops->sb_free_security(sb);
263 int security_sb_copy_data(char *orig, char *copy)
265 return security_ops->sb_copy_data(orig, copy);
267 EXPORT_SYMBOL(security_sb_copy_data);
269 int security_sb_kern_mount(struct super_block *sb, void *data)
271 return security_ops->sb_kern_mount(sb, data);
274 int security_sb_show_options(struct seq_file *m, struct super_block *sb)
276 return security_ops->sb_show_options(m, sb);
279 int security_sb_statfs(struct dentry *dentry)
281 return security_ops->sb_statfs(dentry);
284 int security_sb_mount(char *dev_name, struct path *path,
285 char *type, unsigned long flags, void *data)
287 return security_ops->sb_mount(dev_name, path, type, flags, data);
290 int security_sb_check_sb(struct vfsmount *mnt, struct path *path)
292 return security_ops->sb_check_sb(mnt, path);
295 int security_sb_umount(struct vfsmount *mnt, int flags)
297 return security_ops->sb_umount(mnt, flags);
300 void security_sb_umount_close(struct vfsmount *mnt)
302 security_ops->sb_umount_close(mnt);
305 void security_sb_umount_busy(struct vfsmount *mnt)
307 security_ops->sb_umount_busy(mnt);
310 void security_sb_post_remount(struct vfsmount *mnt, unsigned long flags, void *data)
312 security_ops->sb_post_remount(mnt, flags, data);
315 void security_sb_post_addmount(struct vfsmount *mnt, struct path *mountpoint)
317 security_ops->sb_post_addmount(mnt, mountpoint);
320 int security_sb_pivotroot(struct path *old_path, struct path *new_path)
322 return security_ops->sb_pivotroot(old_path, new_path);
325 void security_sb_post_pivotroot(struct path *old_path, struct path *new_path)
327 security_ops->sb_post_pivotroot(old_path, new_path);
330 int security_sb_set_mnt_opts(struct super_block *sb,
331 struct security_mnt_opts *opts)
333 return security_ops->sb_set_mnt_opts(sb, opts);
335 EXPORT_SYMBOL(security_sb_set_mnt_opts);
337 void security_sb_clone_mnt_opts(const struct super_block *oldsb,
338 struct super_block *newsb)
340 security_ops->sb_clone_mnt_opts(oldsb, newsb);
342 EXPORT_SYMBOL(security_sb_clone_mnt_opts);
344 int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
346 return security_ops->sb_parse_opts_str(options, opts);
348 EXPORT_SYMBOL(security_sb_parse_opts_str);
350 int security_inode_alloc(struct inode *inode)
352 inode->i_security = NULL;
353 return security_ops->inode_alloc_security(inode);
356 void security_inode_free(struct inode *inode)
358 security_ops->inode_free_security(inode);
361 int security_inode_init_security(struct inode *inode, struct inode *dir,
362 char **name, void **value, size_t *len)
364 if (unlikely(IS_PRIVATE(inode)))
365 return -EOPNOTSUPP;
366 return security_ops->inode_init_security(inode, dir, name, value, len);
368 EXPORT_SYMBOL(security_inode_init_security);
370 int security_inode_create(struct inode *dir, struct dentry *dentry, int mode)
372 if (unlikely(IS_PRIVATE(dir)))
373 return 0;
374 return security_ops->inode_create(dir, dentry, mode);
377 int security_inode_link(struct dentry *old_dentry, struct inode *dir,
378 struct dentry *new_dentry)
380 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
381 return 0;
382 return security_ops->inode_link(old_dentry, dir, new_dentry);
385 int security_inode_unlink(struct inode *dir, struct dentry *dentry)
387 if (unlikely(IS_PRIVATE(dentry->d_inode)))
388 return 0;
389 return security_ops->inode_unlink(dir, dentry);
392 int security_inode_symlink(struct inode *dir, struct dentry *dentry,
393 const char *old_name)
395 if (unlikely(IS_PRIVATE(dir)))
396 return 0;
397 return security_ops->inode_symlink(dir, dentry, old_name);
400 int security_inode_mkdir(struct inode *dir, struct dentry *dentry, int mode)
402 if (unlikely(IS_PRIVATE(dir)))
403 return 0;
404 return security_ops->inode_mkdir(dir, dentry, mode);
407 int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
409 if (unlikely(IS_PRIVATE(dentry->d_inode)))
410 return 0;
411 return security_ops->inode_rmdir(dir, dentry);
414 int security_inode_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
416 if (unlikely(IS_PRIVATE(dir)))
417 return 0;
418 return security_ops->inode_mknod(dir, dentry, mode, dev);
421 int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
422 struct inode *new_dir, struct dentry *new_dentry)
424 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
425 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
426 return 0;
427 return security_ops->inode_rename(old_dir, old_dentry,
428 new_dir, new_dentry);
431 int security_inode_readlink(struct dentry *dentry)
433 if (unlikely(IS_PRIVATE(dentry->d_inode)))
434 return 0;
435 return security_ops->inode_readlink(dentry);
438 int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd)
440 if (unlikely(IS_PRIVATE(dentry->d_inode)))
441 return 0;
442 return security_ops->inode_follow_link(dentry, nd);
445 int security_inode_permission(struct inode *inode, int mask)
447 if (unlikely(IS_PRIVATE(inode)))
448 return 0;
449 return security_ops->inode_permission(inode, mask);
452 int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
454 if (unlikely(IS_PRIVATE(dentry->d_inode)))
455 return 0;
456 return security_ops->inode_setattr(dentry, attr);
458 EXPORT_SYMBOL_GPL(security_inode_setattr);
460 int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
462 if (unlikely(IS_PRIVATE(dentry->d_inode)))
463 return 0;
464 return security_ops->inode_getattr(mnt, dentry);
467 void security_inode_delete(struct inode *inode)
469 if (unlikely(IS_PRIVATE(inode)))
470 return;
471 security_ops->inode_delete(inode);
474 int security_inode_setxattr(struct dentry *dentry, const char *name,
475 const void *value, size_t size, int flags)
477 if (unlikely(IS_PRIVATE(dentry->d_inode)))
478 return 0;
479 return security_ops->inode_setxattr(dentry, name, value, size, flags);
482 void security_inode_post_setxattr(struct dentry *dentry, const char *name,
483 const void *value, size_t size, int flags)
485 if (unlikely(IS_PRIVATE(dentry->d_inode)))
486 return;
487 security_ops->inode_post_setxattr(dentry, name, value, size, flags);
490 int security_inode_getxattr(struct dentry *dentry, const char *name)
492 if (unlikely(IS_PRIVATE(dentry->d_inode)))
493 return 0;
494 return security_ops->inode_getxattr(dentry, name);
497 int security_inode_listxattr(struct dentry *dentry)
499 if (unlikely(IS_PRIVATE(dentry->d_inode)))
500 return 0;
501 return security_ops->inode_listxattr(dentry);
504 int security_inode_removexattr(struct dentry *dentry, const char *name)
506 if (unlikely(IS_PRIVATE(dentry->d_inode)))
507 return 0;
508 return security_ops->inode_removexattr(dentry, name);
511 int security_inode_need_killpriv(struct dentry *dentry)
513 return security_ops->inode_need_killpriv(dentry);
516 int security_inode_killpriv(struct dentry *dentry)
518 return security_ops->inode_killpriv(dentry);
521 int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
523 if (unlikely(IS_PRIVATE(inode)))
524 return 0;
525 return security_ops->inode_getsecurity(inode, name, buffer, alloc);
528 int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
530 if (unlikely(IS_PRIVATE(inode)))
531 return 0;
532 return security_ops->inode_setsecurity(inode, name, value, size, flags);
535 int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
537 if (unlikely(IS_PRIVATE(inode)))
538 return 0;
539 return security_ops->inode_listsecurity(inode, buffer, buffer_size);
542 void security_inode_getsecid(const struct inode *inode, u32 *secid)
544 security_ops->inode_getsecid(inode, secid);
547 int security_file_permission(struct file *file, int mask)
549 return security_ops->file_permission(file, mask);
552 int security_file_alloc(struct file *file)
554 return security_ops->file_alloc_security(file);
557 void security_file_free(struct file *file)
559 security_ops->file_free_security(file);
562 int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
564 return security_ops->file_ioctl(file, cmd, arg);
567 int security_file_mmap(struct file *file, unsigned long reqprot,
568 unsigned long prot, unsigned long flags,
569 unsigned long addr, unsigned long addr_only)
571 return security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only);
574 int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
575 unsigned long prot)
577 return security_ops->file_mprotect(vma, reqprot, prot);
580 int security_file_lock(struct file *file, unsigned int cmd)
582 return security_ops->file_lock(file, cmd);
585 int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
587 return security_ops->file_fcntl(file, cmd, arg);
590 int security_file_set_fowner(struct file *file)
592 return security_ops->file_set_fowner(file);
595 int security_file_send_sigiotask(struct task_struct *tsk,
596 struct fown_struct *fown, int sig)
598 return security_ops->file_send_sigiotask(tsk, fown, sig);
601 int security_file_receive(struct file *file)
603 return security_ops->file_receive(file);
606 int security_dentry_open(struct file *file)
608 return security_ops->dentry_open(file);
611 int security_task_create(unsigned long clone_flags)
613 return security_ops->task_create(clone_flags);
616 int security_task_alloc(struct task_struct *p)
618 return security_ops->task_alloc_security(p);
621 void security_task_free(struct task_struct *p)
623 security_ops->task_free_security(p);
626 int security_task_setuid(uid_t id0, uid_t id1, uid_t id2, int flags)
628 return security_ops->task_setuid(id0, id1, id2, flags);
631 int security_task_post_setuid(uid_t old_ruid, uid_t old_euid,
632 uid_t old_suid, int flags)
634 return security_ops->task_post_setuid(old_ruid, old_euid, old_suid, flags);
637 int security_task_setgid(gid_t id0, gid_t id1, gid_t id2, int flags)
639 return security_ops->task_setgid(id0, id1, id2, flags);
642 int security_task_setpgid(struct task_struct *p, pid_t pgid)
644 return security_ops->task_setpgid(p, pgid);
647 int security_task_getpgid(struct task_struct *p)
649 return security_ops->task_getpgid(p);
652 int security_task_getsid(struct task_struct *p)
654 return security_ops->task_getsid(p);
657 void security_task_getsecid(struct task_struct *p, u32 *secid)
659 security_ops->task_getsecid(p, secid);
661 EXPORT_SYMBOL(security_task_getsecid);
663 int security_task_setgroups(struct group_info *group_info)
665 return security_ops->task_setgroups(group_info);
668 int security_task_setnice(struct task_struct *p, int nice)
670 return security_ops->task_setnice(p, nice);
673 int security_task_setioprio(struct task_struct *p, int ioprio)
675 return security_ops->task_setioprio(p, ioprio);
678 int security_task_getioprio(struct task_struct *p)
680 return security_ops->task_getioprio(p);
683 int security_task_setrlimit(unsigned int resource, struct rlimit *new_rlim)
685 return security_ops->task_setrlimit(resource, new_rlim);
688 int security_task_setscheduler(struct task_struct *p,
689 int policy, struct sched_param *lp)
691 return security_ops->task_setscheduler(p, policy, lp);
694 int security_task_getscheduler(struct task_struct *p)
696 return security_ops->task_getscheduler(p);
699 int security_task_movememory(struct task_struct *p)
701 return security_ops->task_movememory(p);
704 int security_task_kill(struct task_struct *p, struct siginfo *info,
705 int sig, u32 secid)
707 return security_ops->task_kill(p, info, sig, secid);
710 int security_task_wait(struct task_struct *p)
712 return security_ops->task_wait(p);
715 int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
716 unsigned long arg4, unsigned long arg5, long *rc_p)
718 return security_ops->task_prctl(option, arg2, arg3, arg4, arg5, rc_p);
721 void security_task_reparent_to_init(struct task_struct *p)
723 security_ops->task_reparent_to_init(p);
726 void security_task_to_inode(struct task_struct *p, struct inode *inode)
728 security_ops->task_to_inode(p, inode);
731 int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
733 return security_ops->ipc_permission(ipcp, flag);
736 void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
738 security_ops->ipc_getsecid(ipcp, secid);
741 int security_msg_msg_alloc(struct msg_msg *msg)
743 return security_ops->msg_msg_alloc_security(msg);
746 void security_msg_msg_free(struct msg_msg *msg)
748 security_ops->msg_msg_free_security(msg);
751 int security_msg_queue_alloc(struct msg_queue *msq)
753 return security_ops->msg_queue_alloc_security(msq);
756 void security_msg_queue_free(struct msg_queue *msq)
758 security_ops->msg_queue_free_security(msq);
761 int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
763 return security_ops->msg_queue_associate(msq, msqflg);
766 int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
768 return security_ops->msg_queue_msgctl(msq, cmd);
771 int security_msg_queue_msgsnd(struct msg_queue *msq,
772 struct msg_msg *msg, int msqflg)
774 return security_ops->msg_queue_msgsnd(msq, msg, msqflg);
777 int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
778 struct task_struct *target, long type, int mode)
780 return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode);
783 int security_shm_alloc(struct shmid_kernel *shp)
785 return security_ops->shm_alloc_security(shp);
788 void security_shm_free(struct shmid_kernel *shp)
790 security_ops->shm_free_security(shp);
793 int security_shm_associate(struct shmid_kernel *shp, int shmflg)
795 return security_ops->shm_associate(shp, shmflg);
798 int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
800 return security_ops->shm_shmctl(shp, cmd);
803 int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
805 return security_ops->shm_shmat(shp, shmaddr, shmflg);
808 int security_sem_alloc(struct sem_array *sma)
810 return security_ops->sem_alloc_security(sma);
813 void security_sem_free(struct sem_array *sma)
815 security_ops->sem_free_security(sma);
818 int security_sem_associate(struct sem_array *sma, int semflg)
820 return security_ops->sem_associate(sma, semflg);
823 int security_sem_semctl(struct sem_array *sma, int cmd)
825 return security_ops->sem_semctl(sma, cmd);
828 int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
829 unsigned nsops, int alter)
831 return security_ops->sem_semop(sma, sops, nsops, alter);
834 void security_d_instantiate(struct dentry *dentry, struct inode *inode)
836 if (unlikely(inode && IS_PRIVATE(inode)))
837 return;
838 security_ops->d_instantiate(dentry, inode);
840 EXPORT_SYMBOL(security_d_instantiate);
842 int security_getprocattr(struct task_struct *p, char *name, char **value)
844 return security_ops->getprocattr(p, name, value);
847 int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
849 return security_ops->setprocattr(p, name, value, size);
852 int security_netlink_send(struct sock *sk, struct sk_buff *skb)
854 return security_ops->netlink_send(sk, skb);
857 int security_netlink_recv(struct sk_buff *skb, int cap)
859 return security_ops->netlink_recv(skb, cap);
861 EXPORT_SYMBOL(security_netlink_recv);
863 int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
865 return security_ops->secid_to_secctx(secid, secdata, seclen);
867 EXPORT_SYMBOL(security_secid_to_secctx);
869 int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
871 return security_ops->secctx_to_secid(secdata, seclen, secid);
873 EXPORT_SYMBOL(security_secctx_to_secid);
875 void security_release_secctx(char *secdata, u32 seclen)
877 security_ops->release_secctx(secdata, seclen);
879 EXPORT_SYMBOL(security_release_secctx);
881 #ifdef CONFIG_SECURITY_NETWORK
883 int security_unix_stream_connect(struct socket *sock, struct socket *other,
884 struct sock *newsk)
886 return security_ops->unix_stream_connect(sock, other, newsk);
888 EXPORT_SYMBOL(security_unix_stream_connect);
890 int security_unix_may_send(struct socket *sock, struct socket *other)
892 return security_ops->unix_may_send(sock, other);
894 EXPORT_SYMBOL(security_unix_may_send);
896 int security_socket_create(int family, int type, int protocol, int kern)
898 return security_ops->socket_create(family, type, protocol, kern);
901 int security_socket_post_create(struct socket *sock, int family,
902 int type, int protocol, int kern)
904 return security_ops->socket_post_create(sock, family, type,
905 protocol, kern);
908 int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
910 return security_ops->socket_bind(sock, address, addrlen);
913 int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
915 return security_ops->socket_connect(sock, address, addrlen);
918 int security_socket_listen(struct socket *sock, int backlog)
920 return security_ops->socket_listen(sock, backlog);
923 int security_socket_accept(struct socket *sock, struct socket *newsock)
925 return security_ops->socket_accept(sock, newsock);
928 void security_socket_post_accept(struct socket *sock, struct socket *newsock)
930 security_ops->socket_post_accept(sock, newsock);
933 int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
935 return security_ops->socket_sendmsg(sock, msg, size);
938 int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
939 int size, int flags)
941 return security_ops->socket_recvmsg(sock, msg, size, flags);
944 int security_socket_getsockname(struct socket *sock)
946 return security_ops->socket_getsockname(sock);
949 int security_socket_getpeername(struct socket *sock)
951 return security_ops->socket_getpeername(sock);
954 int security_socket_getsockopt(struct socket *sock, int level, int optname)
956 return security_ops->socket_getsockopt(sock, level, optname);
959 int security_socket_setsockopt(struct socket *sock, int level, int optname)
961 return security_ops->socket_setsockopt(sock, level, optname);
964 int security_socket_shutdown(struct socket *sock, int how)
966 return security_ops->socket_shutdown(sock, how);
969 int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
971 return security_ops->socket_sock_rcv_skb(sk, skb);
973 EXPORT_SYMBOL(security_sock_rcv_skb);
975 int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
976 int __user *optlen, unsigned len)
978 return security_ops->socket_getpeersec_stream(sock, optval, optlen, len);
981 int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
983 return security_ops->socket_getpeersec_dgram(sock, skb, secid);
985 EXPORT_SYMBOL(security_socket_getpeersec_dgram);
987 int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
989 return security_ops->sk_alloc_security(sk, family, priority);
992 void security_sk_free(struct sock *sk)
994 security_ops->sk_free_security(sk);
997 void security_sk_clone(const struct sock *sk, struct sock *newsk)
999 security_ops->sk_clone_security(sk, newsk);
1002 void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1004 security_ops->sk_getsecid(sk, &fl->secid);
1006 EXPORT_SYMBOL(security_sk_classify_flow);
1008 void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1010 security_ops->req_classify_flow(req, fl);
1012 EXPORT_SYMBOL(security_req_classify_flow);
1014 void security_sock_graft(struct sock *sk, struct socket *parent)
1016 security_ops->sock_graft(sk, parent);
1018 EXPORT_SYMBOL(security_sock_graft);
1020 int security_inet_conn_request(struct sock *sk,
1021 struct sk_buff *skb, struct request_sock *req)
1023 return security_ops->inet_conn_request(sk, skb, req);
1025 EXPORT_SYMBOL(security_inet_conn_request);
1027 void security_inet_csk_clone(struct sock *newsk,
1028 const struct request_sock *req)
1030 security_ops->inet_csk_clone(newsk, req);
1033 void security_inet_conn_established(struct sock *sk,
1034 struct sk_buff *skb)
1036 security_ops->inet_conn_established(sk, skb);
1039 #endif /* CONFIG_SECURITY_NETWORK */
1041 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1043 int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *sec_ctx)
1045 return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx);
1047 EXPORT_SYMBOL(security_xfrm_policy_alloc);
1049 int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
1050 struct xfrm_sec_ctx **new_ctxp)
1052 return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp);
1055 void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
1057 security_ops->xfrm_policy_free_security(ctx);
1059 EXPORT_SYMBOL(security_xfrm_policy_free);
1061 int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
1063 return security_ops->xfrm_policy_delete_security(ctx);
1066 int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx)
1068 return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0);
1070 EXPORT_SYMBOL(security_xfrm_state_alloc);
1072 int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1073 struct xfrm_sec_ctx *polsec, u32 secid)
1075 if (!polsec)
1076 return 0;
1078 * We want the context to be taken from secid which is usually
1079 * from the sock.
1081 return security_ops->xfrm_state_alloc_security(x, NULL, secid);
1084 int security_xfrm_state_delete(struct xfrm_state *x)
1086 return security_ops->xfrm_state_delete_security(x);
1088 EXPORT_SYMBOL(security_xfrm_state_delete);
1090 void security_xfrm_state_free(struct xfrm_state *x)
1092 security_ops->xfrm_state_free_security(x);
1095 int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
1097 return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir);
1100 int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1101 struct xfrm_policy *xp, struct flowi *fl)
1103 return security_ops->xfrm_state_pol_flow_match(x, xp, fl);
1106 int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1108 return security_ops->xfrm_decode_session(skb, secid, 1);
1111 void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1113 int rc = security_ops->xfrm_decode_session(skb, &fl->secid, 0);
1115 BUG_ON(rc);
1117 EXPORT_SYMBOL(security_skb_classify_flow);
1119 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1121 #ifdef CONFIG_KEYS
1123 int security_key_alloc(struct key *key, struct task_struct *tsk, unsigned long flags)
1125 return security_ops->key_alloc(key, tsk, flags);
1128 void security_key_free(struct key *key)
1130 security_ops->key_free(key);
1133 int security_key_permission(key_ref_t key_ref,
1134 struct task_struct *context, key_perm_t perm)
1136 return security_ops->key_permission(key_ref, context, perm);
1139 int security_key_getsecurity(struct key *key, char **_buffer)
1141 return security_ops->key_getsecurity(key, _buffer);
1144 #endif /* CONFIG_KEYS */
1146 #ifdef CONFIG_AUDIT
1148 int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
1150 return security_ops->audit_rule_init(field, op, rulestr, lsmrule);
1153 int security_audit_rule_known(struct audit_krule *krule)
1155 return security_ops->audit_rule_known(krule);
1158 void security_audit_rule_free(void *lsmrule)
1160 security_ops->audit_rule_free(lsmrule);
1163 int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1164 struct audit_context *actx)
1166 return security_ops->audit_rule_match(secid, field, op, lsmrule, actx);
1169 #endif /* CONFIG_AUDIT */