Markers - define non optimized marker
[linux-2.6/pdupreez.git] / security / security.c
blob59838a99b80e981d27ae892e7d3aa0204bb484c1
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 dummy.c */
24 extern struct security_operations dummy_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 if (verify(&dummy_security_ops)) {
61 printk(KERN_ERR "%s could not verify "
62 "dummy_security_ops structure.\n", __func__);
63 return -EIO;
66 security_ops = &dummy_security_ops;
67 do_security_initcalls();
69 return 0;
72 /* Save user chosen LSM */
73 static int __init choose_lsm(char *str)
75 strncpy(chosen_lsm, str, SECURITY_NAME_MAX);
76 return 1;
78 __setup("security=", choose_lsm);
80 /**
81 * security_module_enable - Load given security module on boot ?
82 * @ops: a pointer to the struct security_operations that is to be checked.
84 * Each LSM must pass this method before registering its own operations
85 * to avoid security registration races. This method may also be used
86 * to check if your LSM is currently loaded during kernel initialization.
88 * Return true if:
89 * -The passed LSM is the one chosen by user at boot time,
90 * -or user didsn't specify a specific LSM and we're the first to ask
91 * for registeration permissoin,
92 * -or the passed LSM is currently loaded.
93 * Otherwise, return false.
95 int __init security_module_enable(struct security_operations *ops)
97 if (!*chosen_lsm)
98 strncpy(chosen_lsm, ops->name, SECURITY_NAME_MAX);
99 else if (strncmp(ops->name, chosen_lsm, SECURITY_NAME_MAX))
100 return 0;
102 return 1;
106 * register_security - registers a security framework with the kernel
107 * @ops: a pointer to the struct security_options that is to be registered
109 * This function is to allow a security module to register itself with the
110 * kernel security subsystem. Some rudimentary checking is done on the @ops
111 * value passed to this function. You'll need to check first if your LSM
112 * is allowed to register its @ops by calling security_module_enable(@ops).
114 * If there is already a security module registered with the kernel,
115 * an error will be returned. Otherwise 0 is returned on success.
117 int register_security(struct security_operations *ops)
119 if (verify(ops)) {
120 printk(KERN_DEBUG "%s could not verify "
121 "security_operations structure.\n", __func__);
122 return -EINVAL;
125 if (security_ops != &dummy_security_ops)
126 return -EAGAIN;
128 security_ops = ops;
130 return 0;
134 * mod_reg_security - allows security modules to be "stacked"
135 * @name: a pointer to a string with the name of the security_options to be registered
136 * @ops: a pointer to the struct security_options that is to be registered
138 * This function allows security modules to be stacked if the currently loaded
139 * security module allows this to happen. It passes the @name and @ops to the
140 * register_security function of the currently loaded security module.
142 * The return value depends on the currently loaded security module, with 0 as
143 * success.
145 int mod_reg_security(const char *name, struct security_operations *ops)
147 if (verify(ops)) {
148 printk(KERN_INFO "%s could not verify "
149 "security operations.\n", __func__);
150 return -EINVAL;
153 if (ops == security_ops) {
154 printk(KERN_INFO "%s security operations "
155 "already registered.\n", __func__);
156 return -EINVAL;
159 return security_ops->register_security(name, ops);
162 /* Security operations */
164 int security_ptrace(struct task_struct *parent, struct task_struct *child)
166 return security_ops->ptrace(parent, child);
169 int security_capget(struct task_struct *target,
170 kernel_cap_t *effective,
171 kernel_cap_t *inheritable,
172 kernel_cap_t *permitted)
174 return security_ops->capget(target, effective, inheritable, permitted);
177 int security_capset_check(struct task_struct *target,
178 kernel_cap_t *effective,
179 kernel_cap_t *inheritable,
180 kernel_cap_t *permitted)
182 return security_ops->capset_check(target, effective, inheritable, permitted);
185 void security_capset_set(struct task_struct *target,
186 kernel_cap_t *effective,
187 kernel_cap_t *inheritable,
188 kernel_cap_t *permitted)
190 security_ops->capset_set(target, effective, inheritable, permitted);
193 int security_capable(struct task_struct *tsk, int cap)
195 return security_ops->capable(tsk, cap);
198 int security_acct(struct file *file)
200 return security_ops->acct(file);
203 int security_sysctl(struct ctl_table *table, int op)
205 return security_ops->sysctl(table, op);
208 int security_quotactl(int cmds, int type, int id, struct super_block *sb)
210 return security_ops->quotactl(cmds, type, id, sb);
213 int security_quota_on(struct dentry *dentry)
215 return security_ops->quota_on(dentry);
218 int security_syslog(int type)
220 return security_ops->syslog(type);
223 int security_settime(struct timespec *ts, struct timezone *tz)
225 return security_ops->settime(ts, tz);
228 int security_vm_enough_memory(long pages)
230 return security_ops->vm_enough_memory(current->mm, pages);
233 int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
235 return security_ops->vm_enough_memory(mm, pages);
238 int security_bprm_alloc(struct linux_binprm *bprm)
240 return security_ops->bprm_alloc_security(bprm);
243 void security_bprm_free(struct linux_binprm *bprm)
245 security_ops->bprm_free_security(bprm);
248 void security_bprm_apply_creds(struct linux_binprm *bprm, int unsafe)
250 security_ops->bprm_apply_creds(bprm, unsafe);
253 void security_bprm_post_apply_creds(struct linux_binprm *bprm)
255 security_ops->bprm_post_apply_creds(bprm);
258 int security_bprm_set(struct linux_binprm *bprm)
260 return security_ops->bprm_set_security(bprm);
263 int security_bprm_check(struct linux_binprm *bprm)
265 return security_ops->bprm_check_security(bprm);
268 int security_bprm_secureexec(struct linux_binprm *bprm)
270 return security_ops->bprm_secureexec(bprm);
273 int security_sb_alloc(struct super_block *sb)
275 return security_ops->sb_alloc_security(sb);
278 void security_sb_free(struct super_block *sb)
280 security_ops->sb_free_security(sb);
283 int security_sb_copy_data(char *orig, char *copy)
285 return security_ops->sb_copy_data(orig, copy);
287 EXPORT_SYMBOL(security_sb_copy_data);
289 int security_sb_kern_mount(struct super_block *sb, void *data)
291 return security_ops->sb_kern_mount(sb, data);
294 int security_sb_statfs(struct dentry *dentry)
296 return security_ops->sb_statfs(dentry);
299 int security_sb_mount(char *dev_name, struct path *path,
300 char *type, unsigned long flags, void *data)
302 return security_ops->sb_mount(dev_name, path, type, flags, data);
305 int security_sb_check_sb(struct vfsmount *mnt, struct path *path)
307 return security_ops->sb_check_sb(mnt, path);
310 int security_sb_umount(struct vfsmount *mnt, int flags)
312 return security_ops->sb_umount(mnt, flags);
315 void security_sb_umount_close(struct vfsmount *mnt)
317 security_ops->sb_umount_close(mnt);
320 void security_sb_umount_busy(struct vfsmount *mnt)
322 security_ops->sb_umount_busy(mnt);
325 void security_sb_post_remount(struct vfsmount *mnt, unsigned long flags, void *data)
327 security_ops->sb_post_remount(mnt, flags, data);
330 void security_sb_post_addmount(struct vfsmount *mnt, struct path *mountpoint)
332 security_ops->sb_post_addmount(mnt, mountpoint);
335 int security_sb_pivotroot(struct path *old_path, struct path *new_path)
337 return security_ops->sb_pivotroot(old_path, new_path);
340 void security_sb_post_pivotroot(struct path *old_path, struct path *new_path)
342 security_ops->sb_post_pivotroot(old_path, new_path);
345 int security_sb_get_mnt_opts(const struct super_block *sb,
346 struct security_mnt_opts *opts)
348 return security_ops->sb_get_mnt_opts(sb, opts);
351 int security_sb_set_mnt_opts(struct super_block *sb,
352 struct security_mnt_opts *opts)
354 return security_ops->sb_set_mnt_opts(sb, opts);
356 EXPORT_SYMBOL(security_sb_set_mnt_opts);
358 void security_sb_clone_mnt_opts(const struct super_block *oldsb,
359 struct super_block *newsb)
361 security_ops->sb_clone_mnt_opts(oldsb, newsb);
363 EXPORT_SYMBOL(security_sb_clone_mnt_opts);
365 int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
367 return security_ops->sb_parse_opts_str(options, opts);
369 EXPORT_SYMBOL(security_sb_parse_opts_str);
371 int security_inode_alloc(struct inode *inode)
373 inode->i_security = NULL;
374 return security_ops->inode_alloc_security(inode);
377 void security_inode_free(struct inode *inode)
379 security_ops->inode_free_security(inode);
382 int security_inode_init_security(struct inode *inode, struct inode *dir,
383 char **name, void **value, size_t *len)
385 if (unlikely(IS_PRIVATE(inode)))
386 return -EOPNOTSUPP;
387 return security_ops->inode_init_security(inode, dir, name, value, len);
389 EXPORT_SYMBOL(security_inode_init_security);
391 int security_inode_create(struct inode *dir, struct dentry *dentry, int mode)
393 if (unlikely(IS_PRIVATE(dir)))
394 return 0;
395 return security_ops->inode_create(dir, dentry, mode);
398 int security_inode_link(struct dentry *old_dentry, struct inode *dir,
399 struct dentry *new_dentry)
401 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
402 return 0;
403 return security_ops->inode_link(old_dentry, dir, new_dentry);
406 int security_inode_unlink(struct inode *dir, struct dentry *dentry)
408 if (unlikely(IS_PRIVATE(dentry->d_inode)))
409 return 0;
410 return security_ops->inode_unlink(dir, dentry);
413 int security_inode_symlink(struct inode *dir, struct dentry *dentry,
414 const char *old_name)
416 if (unlikely(IS_PRIVATE(dir)))
417 return 0;
418 return security_ops->inode_symlink(dir, dentry, old_name);
421 int security_inode_mkdir(struct inode *dir, struct dentry *dentry, int mode)
423 if (unlikely(IS_PRIVATE(dir)))
424 return 0;
425 return security_ops->inode_mkdir(dir, dentry, mode);
428 int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
430 if (unlikely(IS_PRIVATE(dentry->d_inode)))
431 return 0;
432 return security_ops->inode_rmdir(dir, dentry);
435 int security_inode_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
437 if (unlikely(IS_PRIVATE(dir)))
438 return 0;
439 return security_ops->inode_mknod(dir, dentry, mode, dev);
442 int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
443 struct inode *new_dir, struct dentry *new_dentry)
445 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
446 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
447 return 0;
448 return security_ops->inode_rename(old_dir, old_dentry,
449 new_dir, new_dentry);
452 int security_inode_readlink(struct dentry *dentry)
454 if (unlikely(IS_PRIVATE(dentry->d_inode)))
455 return 0;
456 return security_ops->inode_readlink(dentry);
459 int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd)
461 if (unlikely(IS_PRIVATE(dentry->d_inode)))
462 return 0;
463 return security_ops->inode_follow_link(dentry, nd);
466 int security_inode_permission(struct inode *inode, int mask, struct nameidata *nd)
468 if (unlikely(IS_PRIVATE(inode)))
469 return 0;
470 return security_ops->inode_permission(inode, mask, nd);
473 int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
475 if (unlikely(IS_PRIVATE(dentry->d_inode)))
476 return 0;
477 return security_ops->inode_setattr(dentry, attr);
480 int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
482 if (unlikely(IS_PRIVATE(dentry->d_inode)))
483 return 0;
484 return security_ops->inode_getattr(mnt, dentry);
487 void security_inode_delete(struct inode *inode)
489 if (unlikely(IS_PRIVATE(inode)))
490 return;
491 security_ops->inode_delete(inode);
494 int security_inode_setxattr(struct dentry *dentry, const char *name,
495 const void *value, size_t size, int flags)
497 if (unlikely(IS_PRIVATE(dentry->d_inode)))
498 return 0;
499 return security_ops->inode_setxattr(dentry, name, value, size, flags);
502 void security_inode_post_setxattr(struct dentry *dentry, const char *name,
503 const void *value, size_t size, int flags)
505 if (unlikely(IS_PRIVATE(dentry->d_inode)))
506 return;
507 security_ops->inode_post_setxattr(dentry, name, value, size, flags);
510 int security_inode_getxattr(struct dentry *dentry, const char *name)
512 if (unlikely(IS_PRIVATE(dentry->d_inode)))
513 return 0;
514 return security_ops->inode_getxattr(dentry, name);
517 int security_inode_listxattr(struct dentry *dentry)
519 if (unlikely(IS_PRIVATE(dentry->d_inode)))
520 return 0;
521 return security_ops->inode_listxattr(dentry);
524 int security_inode_removexattr(struct dentry *dentry, const char *name)
526 if (unlikely(IS_PRIVATE(dentry->d_inode)))
527 return 0;
528 return security_ops->inode_removexattr(dentry, name);
531 int security_inode_need_killpriv(struct dentry *dentry)
533 return security_ops->inode_need_killpriv(dentry);
536 int security_inode_killpriv(struct dentry *dentry)
538 return security_ops->inode_killpriv(dentry);
541 int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
543 if (unlikely(IS_PRIVATE(inode)))
544 return 0;
545 return security_ops->inode_getsecurity(inode, name, buffer, alloc);
548 int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
550 if (unlikely(IS_PRIVATE(inode)))
551 return 0;
552 return security_ops->inode_setsecurity(inode, name, value, size, flags);
555 int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
557 if (unlikely(IS_PRIVATE(inode)))
558 return 0;
559 return security_ops->inode_listsecurity(inode, buffer, buffer_size);
562 void security_inode_getsecid(const struct inode *inode, u32 *secid)
564 security_ops->inode_getsecid(inode, secid);
567 int security_file_permission(struct file *file, int mask)
569 return security_ops->file_permission(file, mask);
572 int security_file_alloc(struct file *file)
574 return security_ops->file_alloc_security(file);
577 void security_file_free(struct file *file)
579 security_ops->file_free_security(file);
582 int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
584 return security_ops->file_ioctl(file, cmd, arg);
587 int security_file_mmap(struct file *file, unsigned long reqprot,
588 unsigned long prot, unsigned long flags,
589 unsigned long addr, unsigned long addr_only)
591 return security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only);
594 int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
595 unsigned long prot)
597 return security_ops->file_mprotect(vma, reqprot, prot);
600 int security_file_lock(struct file *file, unsigned int cmd)
602 return security_ops->file_lock(file, cmd);
605 int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
607 return security_ops->file_fcntl(file, cmd, arg);
610 int security_file_set_fowner(struct file *file)
612 return security_ops->file_set_fowner(file);
615 int security_file_send_sigiotask(struct task_struct *tsk,
616 struct fown_struct *fown, int sig)
618 return security_ops->file_send_sigiotask(tsk, fown, sig);
621 int security_file_receive(struct file *file)
623 return security_ops->file_receive(file);
626 int security_dentry_open(struct file *file)
628 return security_ops->dentry_open(file);
631 int security_task_create(unsigned long clone_flags)
633 return security_ops->task_create(clone_flags);
636 int security_task_alloc(struct task_struct *p)
638 return security_ops->task_alloc_security(p);
641 void security_task_free(struct task_struct *p)
643 security_ops->task_free_security(p);
646 int security_task_setuid(uid_t id0, uid_t id1, uid_t id2, int flags)
648 return security_ops->task_setuid(id0, id1, id2, flags);
651 int security_task_post_setuid(uid_t old_ruid, uid_t old_euid,
652 uid_t old_suid, int flags)
654 return security_ops->task_post_setuid(old_ruid, old_euid, old_suid, flags);
657 int security_task_setgid(gid_t id0, gid_t id1, gid_t id2, int flags)
659 return security_ops->task_setgid(id0, id1, id2, flags);
662 int security_task_setpgid(struct task_struct *p, pid_t pgid)
664 return security_ops->task_setpgid(p, pgid);
667 int security_task_getpgid(struct task_struct *p)
669 return security_ops->task_getpgid(p);
672 int security_task_getsid(struct task_struct *p)
674 return security_ops->task_getsid(p);
677 void security_task_getsecid(struct task_struct *p, u32 *secid)
679 security_ops->task_getsecid(p, secid);
681 EXPORT_SYMBOL(security_task_getsecid);
683 int security_task_setgroups(struct group_info *group_info)
685 return security_ops->task_setgroups(group_info);
688 int security_task_setnice(struct task_struct *p, int nice)
690 return security_ops->task_setnice(p, nice);
693 int security_task_setioprio(struct task_struct *p, int ioprio)
695 return security_ops->task_setioprio(p, ioprio);
698 int security_task_getioprio(struct task_struct *p)
700 return security_ops->task_getioprio(p);
703 int security_task_setrlimit(unsigned int resource, struct rlimit *new_rlim)
705 return security_ops->task_setrlimit(resource, new_rlim);
708 int security_task_setscheduler(struct task_struct *p,
709 int policy, struct sched_param *lp)
711 return security_ops->task_setscheduler(p, policy, lp);
714 int security_task_getscheduler(struct task_struct *p)
716 return security_ops->task_getscheduler(p);
719 int security_task_movememory(struct task_struct *p)
721 return security_ops->task_movememory(p);
724 int security_task_kill(struct task_struct *p, struct siginfo *info,
725 int sig, u32 secid)
727 return security_ops->task_kill(p, info, sig, secid);
730 int security_task_wait(struct task_struct *p)
732 return security_ops->task_wait(p);
735 int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
736 unsigned long arg4, unsigned long arg5, long *rc_p)
738 return security_ops->task_prctl(option, arg2, arg3, arg4, arg5, rc_p);
741 void security_task_reparent_to_init(struct task_struct *p)
743 security_ops->task_reparent_to_init(p);
746 void security_task_to_inode(struct task_struct *p, struct inode *inode)
748 security_ops->task_to_inode(p, inode);
751 int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
753 return security_ops->ipc_permission(ipcp, flag);
756 void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
758 security_ops->ipc_getsecid(ipcp, secid);
761 int security_msg_msg_alloc(struct msg_msg *msg)
763 return security_ops->msg_msg_alloc_security(msg);
766 void security_msg_msg_free(struct msg_msg *msg)
768 security_ops->msg_msg_free_security(msg);
771 int security_msg_queue_alloc(struct msg_queue *msq)
773 return security_ops->msg_queue_alloc_security(msq);
776 void security_msg_queue_free(struct msg_queue *msq)
778 security_ops->msg_queue_free_security(msq);
781 int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
783 return security_ops->msg_queue_associate(msq, msqflg);
786 int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
788 return security_ops->msg_queue_msgctl(msq, cmd);
791 int security_msg_queue_msgsnd(struct msg_queue *msq,
792 struct msg_msg *msg, int msqflg)
794 return security_ops->msg_queue_msgsnd(msq, msg, msqflg);
797 int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
798 struct task_struct *target, long type, int mode)
800 return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode);
803 int security_shm_alloc(struct shmid_kernel *shp)
805 return security_ops->shm_alloc_security(shp);
808 void security_shm_free(struct shmid_kernel *shp)
810 security_ops->shm_free_security(shp);
813 int security_shm_associate(struct shmid_kernel *shp, int shmflg)
815 return security_ops->shm_associate(shp, shmflg);
818 int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
820 return security_ops->shm_shmctl(shp, cmd);
823 int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
825 return security_ops->shm_shmat(shp, shmaddr, shmflg);
828 int security_sem_alloc(struct sem_array *sma)
830 return security_ops->sem_alloc_security(sma);
833 void security_sem_free(struct sem_array *sma)
835 security_ops->sem_free_security(sma);
838 int security_sem_associate(struct sem_array *sma, int semflg)
840 return security_ops->sem_associate(sma, semflg);
843 int security_sem_semctl(struct sem_array *sma, int cmd)
845 return security_ops->sem_semctl(sma, cmd);
848 int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
849 unsigned nsops, int alter)
851 return security_ops->sem_semop(sma, sops, nsops, alter);
854 void security_d_instantiate(struct dentry *dentry, struct inode *inode)
856 if (unlikely(inode && IS_PRIVATE(inode)))
857 return;
858 security_ops->d_instantiate(dentry, inode);
860 EXPORT_SYMBOL(security_d_instantiate);
862 int security_getprocattr(struct task_struct *p, char *name, char **value)
864 return security_ops->getprocattr(p, name, value);
867 int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
869 return security_ops->setprocattr(p, name, value, size);
872 int security_netlink_send(struct sock *sk, struct sk_buff *skb)
874 return security_ops->netlink_send(sk, skb);
877 int security_netlink_recv(struct sk_buff *skb, int cap)
879 return security_ops->netlink_recv(skb, cap);
881 EXPORT_SYMBOL(security_netlink_recv);
883 int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
885 return security_ops->secid_to_secctx(secid, secdata, seclen);
887 EXPORT_SYMBOL(security_secid_to_secctx);
889 int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
891 return security_ops->secctx_to_secid(secdata, seclen, secid);
893 EXPORT_SYMBOL(security_secctx_to_secid);
895 void security_release_secctx(char *secdata, u32 seclen)
897 return security_ops->release_secctx(secdata, seclen);
899 EXPORT_SYMBOL(security_release_secctx);
901 #ifdef CONFIG_SECURITY_NETWORK
903 int security_unix_stream_connect(struct socket *sock, struct socket *other,
904 struct sock *newsk)
906 return security_ops->unix_stream_connect(sock, other, newsk);
908 EXPORT_SYMBOL(security_unix_stream_connect);
910 int security_unix_may_send(struct socket *sock, struct socket *other)
912 return security_ops->unix_may_send(sock, other);
914 EXPORT_SYMBOL(security_unix_may_send);
916 int security_socket_create(int family, int type, int protocol, int kern)
918 return security_ops->socket_create(family, type, protocol, kern);
921 int security_socket_post_create(struct socket *sock, int family,
922 int type, int protocol, int kern)
924 return security_ops->socket_post_create(sock, family, type,
925 protocol, kern);
928 int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
930 return security_ops->socket_bind(sock, address, addrlen);
933 int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
935 return security_ops->socket_connect(sock, address, addrlen);
938 int security_socket_listen(struct socket *sock, int backlog)
940 return security_ops->socket_listen(sock, backlog);
943 int security_socket_accept(struct socket *sock, struct socket *newsock)
945 return security_ops->socket_accept(sock, newsock);
948 void security_socket_post_accept(struct socket *sock, struct socket *newsock)
950 security_ops->socket_post_accept(sock, newsock);
953 int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
955 return security_ops->socket_sendmsg(sock, msg, size);
958 int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
959 int size, int flags)
961 return security_ops->socket_recvmsg(sock, msg, size, flags);
964 int security_socket_getsockname(struct socket *sock)
966 return security_ops->socket_getsockname(sock);
969 int security_socket_getpeername(struct socket *sock)
971 return security_ops->socket_getpeername(sock);
974 int security_socket_getsockopt(struct socket *sock, int level, int optname)
976 return security_ops->socket_getsockopt(sock, level, optname);
979 int security_socket_setsockopt(struct socket *sock, int level, int optname)
981 return security_ops->socket_setsockopt(sock, level, optname);
984 int security_socket_shutdown(struct socket *sock, int how)
986 return security_ops->socket_shutdown(sock, how);
989 int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
991 return security_ops->socket_sock_rcv_skb(sk, skb);
993 EXPORT_SYMBOL(security_sock_rcv_skb);
995 int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
996 int __user *optlen, unsigned len)
998 return security_ops->socket_getpeersec_stream(sock, optval, optlen, len);
1001 int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1003 return security_ops->socket_getpeersec_dgram(sock, skb, secid);
1005 EXPORT_SYMBOL(security_socket_getpeersec_dgram);
1007 int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1009 return security_ops->sk_alloc_security(sk, family, priority);
1012 void security_sk_free(struct sock *sk)
1014 return security_ops->sk_free_security(sk);
1017 void security_sk_clone(const struct sock *sk, struct sock *newsk)
1019 return security_ops->sk_clone_security(sk, newsk);
1022 void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1024 security_ops->sk_getsecid(sk, &fl->secid);
1026 EXPORT_SYMBOL(security_sk_classify_flow);
1028 void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1030 security_ops->req_classify_flow(req, fl);
1032 EXPORT_SYMBOL(security_req_classify_flow);
1034 void security_sock_graft(struct sock *sk, struct socket *parent)
1036 security_ops->sock_graft(sk, parent);
1038 EXPORT_SYMBOL(security_sock_graft);
1040 int security_inet_conn_request(struct sock *sk,
1041 struct sk_buff *skb, struct request_sock *req)
1043 return security_ops->inet_conn_request(sk, skb, req);
1045 EXPORT_SYMBOL(security_inet_conn_request);
1047 void security_inet_csk_clone(struct sock *newsk,
1048 const struct request_sock *req)
1050 security_ops->inet_csk_clone(newsk, req);
1053 void security_inet_conn_established(struct sock *sk,
1054 struct sk_buff *skb)
1056 security_ops->inet_conn_established(sk, skb);
1059 #endif /* CONFIG_SECURITY_NETWORK */
1061 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1063 int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *sec_ctx)
1065 return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx);
1067 EXPORT_SYMBOL(security_xfrm_policy_alloc);
1069 int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
1070 struct xfrm_sec_ctx **new_ctxp)
1072 return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp);
1075 void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
1077 security_ops->xfrm_policy_free_security(ctx);
1079 EXPORT_SYMBOL(security_xfrm_policy_free);
1081 int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
1083 return security_ops->xfrm_policy_delete_security(ctx);
1086 int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx)
1088 return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0);
1090 EXPORT_SYMBOL(security_xfrm_state_alloc);
1092 int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1093 struct xfrm_sec_ctx *polsec, u32 secid)
1095 if (!polsec)
1096 return 0;
1098 * We want the context to be taken from secid which is usually
1099 * from the sock.
1101 return security_ops->xfrm_state_alloc_security(x, NULL, secid);
1104 int security_xfrm_state_delete(struct xfrm_state *x)
1106 return security_ops->xfrm_state_delete_security(x);
1108 EXPORT_SYMBOL(security_xfrm_state_delete);
1110 void security_xfrm_state_free(struct xfrm_state *x)
1112 security_ops->xfrm_state_free_security(x);
1115 int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
1117 return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir);
1120 int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1121 struct xfrm_policy *xp, struct flowi *fl)
1123 return security_ops->xfrm_state_pol_flow_match(x, xp, fl);
1126 int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1128 return security_ops->xfrm_decode_session(skb, secid, 1);
1131 void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1133 int rc = security_ops->xfrm_decode_session(skb, &fl->secid, 0);
1135 BUG_ON(rc);
1137 EXPORT_SYMBOL(security_skb_classify_flow);
1139 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1141 #ifdef CONFIG_KEYS
1143 int security_key_alloc(struct key *key, struct task_struct *tsk, unsigned long flags)
1145 return security_ops->key_alloc(key, tsk, flags);
1148 void security_key_free(struct key *key)
1150 security_ops->key_free(key);
1153 int security_key_permission(key_ref_t key_ref,
1154 struct task_struct *context, key_perm_t perm)
1156 return security_ops->key_permission(key_ref, context, perm);
1159 int security_key_getsecurity(struct key *key, char **_buffer)
1161 return security_ops->key_getsecurity(key, _buffer);
1164 #endif /* CONFIG_KEYS */
1166 #ifdef CONFIG_AUDIT
1168 int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
1170 return security_ops->audit_rule_init(field, op, rulestr, lsmrule);
1173 int security_audit_rule_known(struct audit_krule *krule)
1175 return security_ops->audit_rule_known(krule);
1178 void security_audit_rule_free(void *lsmrule)
1180 security_ops->audit_rule_free(lsmrule);
1183 int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1184 struct audit_context *actx)
1186 return security_ops->audit_rule_match(secid, field, op, lsmrule, actx);
1189 #endif /* CONFIG_AUDIT */