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 */
37 security_fixup_ops(ops);
41 static void __init do_security_initcalls(void)
44 call = __security_initcall_start;
45 while (call < __security_initcall_end) {
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();
67 /* Save user chosen LSM */
68 static int __init choose_lsm(char *str)
70 strncpy(chosen_lsm, str, SECURITY_NAME_MAX);
73 __setup("security=", choose_lsm);
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.
84 * -The passed LSM is the one chosen by user at boot time,
85 * -or user didsn't specify a specific LSM and we're the first to ask
86 * for registeration permissoin,
87 * -or the passed LSM is currently loaded.
88 * Otherwise, return false.
90 int __init security_module_enable(struct security_operations *ops)
93 strncpy(chosen_lsm, ops->name, SECURITY_NAME_MAX);
94 else if (strncmp(ops->name, chosen_lsm, SECURITY_NAME_MAX))
101 * register_security - registers a security framework with the kernel
102 * @ops: a pointer to the struct security_options that is to be registered
104 * This function is to allow a security module to register itself with the
105 * kernel security subsystem. Some rudimentary checking is done on the @ops
106 * value passed to this function. You'll need to check first if your LSM
107 * is allowed to register its @ops by calling security_module_enable(@ops).
109 * If there is already a security module registered with the kernel,
110 * an error will be returned. Otherwise 0 is returned on success.
112 int register_security(struct security_operations *ops)
115 printk(KERN_DEBUG "%s could not verify "
116 "security_operations structure.\n", __func__);
120 if (security_ops != &default_security_ops)
129 * mod_reg_security - allows security modules to be "stacked"
130 * @name: a pointer to a string with the name of the security_options to be registered
131 * @ops: a pointer to the struct security_options that is to be registered
133 * This function allows security modules to be stacked if the currently loaded
134 * security module allows this to happen. It passes the @name and @ops to the
135 * register_security function of the currently loaded security module.
137 * The return value depends on the currently loaded security module, with 0 as
140 int mod_reg_security(const char *name, struct security_operations *ops)
143 printk(KERN_INFO "%s could not verify "
144 "security operations.\n", __func__);
148 if (ops == security_ops) {
149 printk(KERN_INFO "%s security operations "
150 "already registered.\n", __func__);
154 return security_ops->register_security(name, ops);
157 /* Security operations */
159 int security_ptrace(struct task_struct *parent, struct task_struct *child,
162 return security_ops->ptrace(parent, child, mode);
165 int security_capget(struct task_struct *target,
166 kernel_cap_t *effective,
167 kernel_cap_t *inheritable,
168 kernel_cap_t *permitted)
170 return security_ops->capget(target, effective, inheritable, permitted);
173 int security_capset_check(struct task_struct *target,
174 kernel_cap_t *effective,
175 kernel_cap_t *inheritable,
176 kernel_cap_t *permitted)
178 return security_ops->capset_check(target, effective, inheritable, permitted);
181 void security_capset_set(struct task_struct *target,
182 kernel_cap_t *effective,
183 kernel_cap_t *inheritable,
184 kernel_cap_t *permitted)
186 security_ops->capset_set(target, effective, inheritable, permitted);
189 int security_capable(struct task_struct *tsk, int cap)
191 return security_ops->capable(tsk, cap);
194 int security_acct(struct file *file)
196 return security_ops->acct(file);
199 int security_sysctl(struct ctl_table *table, int op)
201 return security_ops->sysctl(table, op);
204 int security_quotactl(int cmds, int type, int id, struct super_block *sb)
206 return security_ops->quotactl(cmds, type, id, sb);
209 int security_quota_on(struct dentry *dentry)
211 return security_ops->quota_on(dentry);
214 int security_syslog(int type)
216 return security_ops->syslog(type);
219 int security_settime(struct timespec *ts, struct timezone *tz)
221 return security_ops->settime(ts, tz);
224 int security_vm_enough_memory(long pages)
226 return security_ops->vm_enough_memory(current->mm, pages);
229 int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
231 return security_ops->vm_enough_memory(mm, pages);
234 int security_bprm_alloc(struct linux_binprm *bprm)
236 return security_ops->bprm_alloc_security(bprm);
239 void security_bprm_free(struct linux_binprm *bprm)
241 security_ops->bprm_free_security(bprm);
244 void security_bprm_apply_creds(struct linux_binprm *bprm, int unsafe)
246 security_ops->bprm_apply_creds(bprm, unsafe);
249 void security_bprm_post_apply_creds(struct linux_binprm *bprm)
251 security_ops->bprm_post_apply_creds(bprm);
254 int security_bprm_set(struct linux_binprm *bprm)
256 return security_ops->bprm_set_security(bprm);
259 int security_bprm_check(struct linux_binprm *bprm)
261 return security_ops->bprm_check_security(bprm);
264 int security_bprm_secureexec(struct linux_binprm *bprm)
266 return security_ops->bprm_secureexec(bprm);
269 int security_sb_alloc(struct super_block *sb)
271 return security_ops->sb_alloc_security(sb);
274 void security_sb_free(struct super_block *sb)
276 security_ops->sb_free_security(sb);
279 int security_sb_copy_data(char *orig, char *copy)
281 return security_ops->sb_copy_data(orig, copy);
283 EXPORT_SYMBOL(security_sb_copy_data);
285 int security_sb_kern_mount(struct super_block *sb, void *data)
287 return security_ops->sb_kern_mount(sb, data);
290 int security_sb_show_options(struct seq_file *m, struct super_block *sb)
292 return security_ops->sb_show_options(m, sb);
295 int security_sb_statfs(struct dentry *dentry)
297 return security_ops->sb_statfs(dentry);
300 int security_sb_mount(char *dev_name, struct path *path,
301 char *type, unsigned long flags, void *data)
303 return security_ops->sb_mount(dev_name, path, type, flags, data);
306 int security_sb_check_sb(struct vfsmount *mnt, struct path *path)
308 return security_ops->sb_check_sb(mnt, path);
311 int security_sb_umount(struct vfsmount *mnt, int flags)
313 return security_ops->sb_umount(mnt, flags);
316 void security_sb_umount_close(struct vfsmount *mnt)
318 security_ops->sb_umount_close(mnt);
321 void security_sb_umount_busy(struct vfsmount *mnt)
323 security_ops->sb_umount_busy(mnt);
326 void security_sb_post_remount(struct vfsmount *mnt, unsigned long flags, void *data)
328 security_ops->sb_post_remount(mnt, flags, data);
331 void security_sb_post_addmount(struct vfsmount *mnt, struct path *mountpoint)
333 security_ops->sb_post_addmount(mnt, mountpoint);
336 int security_sb_pivotroot(struct path *old_path, struct path *new_path)
338 return security_ops->sb_pivotroot(old_path, new_path);
341 void security_sb_post_pivotroot(struct path *old_path, struct path *new_path)
343 security_ops->sb_post_pivotroot(old_path, new_path);
346 int security_sb_set_mnt_opts(struct super_block *sb,
347 struct security_mnt_opts *opts)
349 return security_ops->sb_set_mnt_opts(sb, opts);
351 EXPORT_SYMBOL(security_sb_set_mnt_opts);
353 void security_sb_clone_mnt_opts(const struct super_block *oldsb,
354 struct super_block *newsb)
356 security_ops->sb_clone_mnt_opts(oldsb, newsb);
358 EXPORT_SYMBOL(security_sb_clone_mnt_opts);
360 int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
362 return security_ops->sb_parse_opts_str(options, opts);
364 EXPORT_SYMBOL(security_sb_parse_opts_str);
366 int security_inode_alloc(struct inode *inode)
368 inode->i_security = NULL;
369 return security_ops->inode_alloc_security(inode);
372 void security_inode_free(struct inode *inode)
374 security_ops->inode_free_security(inode);
377 int security_inode_init_security(struct inode *inode, struct inode *dir,
378 char **name, void **value, size_t *len)
380 if (unlikely(IS_PRIVATE(inode)))
382 return security_ops->inode_init_security(inode, dir, name, value, len);
384 EXPORT_SYMBOL(security_inode_init_security);
386 int security_inode_create(struct inode *dir, struct dentry *dentry, int mode)
388 if (unlikely(IS_PRIVATE(dir)))
390 return security_ops->inode_create(dir, dentry, mode);
393 int security_inode_link(struct dentry *old_dentry, struct inode *dir,
394 struct dentry *new_dentry)
396 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
398 return security_ops->inode_link(old_dentry, dir, new_dentry);
401 int security_inode_unlink(struct inode *dir, struct dentry *dentry)
403 if (unlikely(IS_PRIVATE(dentry->d_inode)))
405 return security_ops->inode_unlink(dir, dentry);
408 int security_inode_symlink(struct inode *dir, struct dentry *dentry,
409 const char *old_name)
411 if (unlikely(IS_PRIVATE(dir)))
413 return security_ops->inode_symlink(dir, dentry, old_name);
416 int security_inode_mkdir(struct inode *dir, struct dentry *dentry, int mode)
418 if (unlikely(IS_PRIVATE(dir)))
420 return security_ops->inode_mkdir(dir, dentry, mode);
423 int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
425 if (unlikely(IS_PRIVATE(dentry->d_inode)))
427 return security_ops->inode_rmdir(dir, dentry);
430 int security_inode_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
432 if (unlikely(IS_PRIVATE(dir)))
434 return security_ops->inode_mknod(dir, dentry, mode, dev);
437 int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
438 struct inode *new_dir, struct dentry *new_dentry)
440 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
441 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
443 return security_ops->inode_rename(old_dir, old_dentry,
444 new_dir, new_dentry);
447 int security_inode_readlink(struct dentry *dentry)
449 if (unlikely(IS_PRIVATE(dentry->d_inode)))
451 return security_ops->inode_readlink(dentry);
454 int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd)
456 if (unlikely(IS_PRIVATE(dentry->d_inode)))
458 return security_ops->inode_follow_link(dentry, nd);
461 int security_inode_permission(struct inode *inode, int mask, struct nameidata *nd)
463 if (unlikely(IS_PRIVATE(inode)))
465 return security_ops->inode_permission(inode, mask, nd);
468 int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
470 if (unlikely(IS_PRIVATE(dentry->d_inode)))
472 return security_ops->inode_setattr(dentry, attr);
475 int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
477 if (unlikely(IS_PRIVATE(dentry->d_inode)))
479 return security_ops->inode_getattr(mnt, dentry);
482 void security_inode_delete(struct inode *inode)
484 if (unlikely(IS_PRIVATE(inode)))
486 security_ops->inode_delete(inode);
489 int security_inode_setxattr(struct dentry *dentry, const char *name,
490 const void *value, size_t size, int flags)
492 if (unlikely(IS_PRIVATE(dentry->d_inode)))
494 return security_ops->inode_setxattr(dentry, name, value, size, flags);
497 void security_inode_post_setxattr(struct dentry *dentry, const char *name,
498 const void *value, size_t size, int flags)
500 if (unlikely(IS_PRIVATE(dentry->d_inode)))
502 security_ops->inode_post_setxattr(dentry, name, value, size, flags);
505 int security_inode_getxattr(struct dentry *dentry, const char *name)
507 if (unlikely(IS_PRIVATE(dentry->d_inode)))
509 return security_ops->inode_getxattr(dentry, name);
512 int security_inode_listxattr(struct dentry *dentry)
514 if (unlikely(IS_PRIVATE(dentry->d_inode)))
516 return security_ops->inode_listxattr(dentry);
519 int security_inode_removexattr(struct dentry *dentry, const char *name)
521 if (unlikely(IS_PRIVATE(dentry->d_inode)))
523 return security_ops->inode_removexattr(dentry, name);
526 int security_inode_need_killpriv(struct dentry *dentry)
528 return security_ops->inode_need_killpriv(dentry);
531 int security_inode_killpriv(struct dentry *dentry)
533 return security_ops->inode_killpriv(dentry);
536 int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
538 if (unlikely(IS_PRIVATE(inode)))
540 return security_ops->inode_getsecurity(inode, name, buffer, alloc);
543 int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
545 if (unlikely(IS_PRIVATE(inode)))
547 return security_ops->inode_setsecurity(inode, name, value, size, flags);
550 int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
552 if (unlikely(IS_PRIVATE(inode)))
554 return security_ops->inode_listsecurity(inode, buffer, buffer_size);
557 void security_inode_getsecid(const struct inode *inode, u32 *secid)
559 security_ops->inode_getsecid(inode, secid);
562 int security_file_permission(struct file *file, int mask)
564 return security_ops->file_permission(file, mask);
567 int security_file_alloc(struct file *file)
569 return security_ops->file_alloc_security(file);
572 void security_file_free(struct file *file)
574 security_ops->file_free_security(file);
577 int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
579 return security_ops->file_ioctl(file, cmd, arg);
582 int security_file_mmap(struct file *file, unsigned long reqprot,
583 unsigned long prot, unsigned long flags,
584 unsigned long addr, unsigned long addr_only)
586 return security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only);
589 int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
592 return security_ops->file_mprotect(vma, reqprot, prot);
595 int security_file_lock(struct file *file, unsigned int cmd)
597 return security_ops->file_lock(file, cmd);
600 int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
602 return security_ops->file_fcntl(file, cmd, arg);
605 int security_file_set_fowner(struct file *file)
607 return security_ops->file_set_fowner(file);
610 int security_file_send_sigiotask(struct task_struct *tsk,
611 struct fown_struct *fown, int sig)
613 return security_ops->file_send_sigiotask(tsk, fown, sig);
616 int security_file_receive(struct file *file)
618 return security_ops->file_receive(file);
621 int security_dentry_open(struct file *file)
623 return security_ops->dentry_open(file);
626 int security_task_create(unsigned long clone_flags)
628 return security_ops->task_create(clone_flags);
631 int security_task_alloc(struct task_struct *p)
633 return security_ops->task_alloc_security(p);
636 void security_task_free(struct task_struct *p)
638 security_ops->task_free_security(p);
641 int security_task_setuid(uid_t id0, uid_t id1, uid_t id2, int flags)
643 return security_ops->task_setuid(id0, id1, id2, flags);
646 int security_task_post_setuid(uid_t old_ruid, uid_t old_euid,
647 uid_t old_suid, int flags)
649 return security_ops->task_post_setuid(old_ruid, old_euid, old_suid, flags);
652 int security_task_setgid(gid_t id0, gid_t id1, gid_t id2, int flags)
654 return security_ops->task_setgid(id0, id1, id2, flags);
657 int security_task_setpgid(struct task_struct *p, pid_t pgid)
659 return security_ops->task_setpgid(p, pgid);
662 int security_task_getpgid(struct task_struct *p)
664 return security_ops->task_getpgid(p);
667 int security_task_getsid(struct task_struct *p)
669 return security_ops->task_getsid(p);
672 void security_task_getsecid(struct task_struct *p, u32 *secid)
674 security_ops->task_getsecid(p, secid);
676 EXPORT_SYMBOL(security_task_getsecid);
678 int security_task_setgroups(struct group_info *group_info)
680 return security_ops->task_setgroups(group_info);
683 int security_task_setnice(struct task_struct *p, int nice)
685 return security_ops->task_setnice(p, nice);
688 int security_task_setioprio(struct task_struct *p, int ioprio)
690 return security_ops->task_setioprio(p, ioprio);
693 int security_task_getioprio(struct task_struct *p)
695 return security_ops->task_getioprio(p);
698 int security_task_setrlimit(unsigned int resource, struct rlimit *new_rlim)
700 return security_ops->task_setrlimit(resource, new_rlim);
703 int security_task_setscheduler(struct task_struct *p,
704 int policy, struct sched_param *lp)
706 return security_ops->task_setscheduler(p, policy, lp);
709 int security_task_getscheduler(struct task_struct *p)
711 return security_ops->task_getscheduler(p);
714 int security_task_movememory(struct task_struct *p)
716 return security_ops->task_movememory(p);
719 int security_task_kill(struct task_struct *p, struct siginfo *info,
722 return security_ops->task_kill(p, info, sig, secid);
725 int security_task_wait(struct task_struct *p)
727 return security_ops->task_wait(p);
730 int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
731 unsigned long arg4, unsigned long arg5, long *rc_p)
733 return security_ops->task_prctl(option, arg2, arg3, arg4, arg5, rc_p);
736 void security_task_reparent_to_init(struct task_struct *p)
738 security_ops->task_reparent_to_init(p);
741 void security_task_to_inode(struct task_struct *p, struct inode *inode)
743 security_ops->task_to_inode(p, inode);
746 int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
748 return security_ops->ipc_permission(ipcp, flag);
751 void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
753 security_ops->ipc_getsecid(ipcp, secid);
756 int security_msg_msg_alloc(struct msg_msg *msg)
758 return security_ops->msg_msg_alloc_security(msg);
761 void security_msg_msg_free(struct msg_msg *msg)
763 security_ops->msg_msg_free_security(msg);
766 int security_msg_queue_alloc(struct msg_queue *msq)
768 return security_ops->msg_queue_alloc_security(msq);
771 void security_msg_queue_free(struct msg_queue *msq)
773 security_ops->msg_queue_free_security(msq);
776 int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
778 return security_ops->msg_queue_associate(msq, msqflg);
781 int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
783 return security_ops->msg_queue_msgctl(msq, cmd);
786 int security_msg_queue_msgsnd(struct msg_queue *msq,
787 struct msg_msg *msg, int msqflg)
789 return security_ops->msg_queue_msgsnd(msq, msg, msqflg);
792 int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
793 struct task_struct *target, long type, int mode)
795 return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode);
798 int security_shm_alloc(struct shmid_kernel *shp)
800 return security_ops->shm_alloc_security(shp);
803 void security_shm_free(struct shmid_kernel *shp)
805 security_ops->shm_free_security(shp);
808 int security_shm_associate(struct shmid_kernel *shp, int shmflg)
810 return security_ops->shm_associate(shp, shmflg);
813 int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
815 return security_ops->shm_shmctl(shp, cmd);
818 int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
820 return security_ops->shm_shmat(shp, shmaddr, shmflg);
823 int security_sem_alloc(struct sem_array *sma)
825 return security_ops->sem_alloc_security(sma);
828 void security_sem_free(struct sem_array *sma)
830 security_ops->sem_free_security(sma);
833 int security_sem_associate(struct sem_array *sma, int semflg)
835 return security_ops->sem_associate(sma, semflg);
838 int security_sem_semctl(struct sem_array *sma, int cmd)
840 return security_ops->sem_semctl(sma, cmd);
843 int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
844 unsigned nsops, int alter)
846 return security_ops->sem_semop(sma, sops, nsops, alter);
849 void security_d_instantiate(struct dentry *dentry, struct inode *inode)
851 if (unlikely(inode && IS_PRIVATE(inode)))
853 security_ops->d_instantiate(dentry, inode);
855 EXPORT_SYMBOL(security_d_instantiate);
857 int security_getprocattr(struct task_struct *p, char *name, char **value)
859 return security_ops->getprocattr(p, name, value);
862 int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
864 return security_ops->setprocattr(p, name, value, size);
867 int security_netlink_send(struct sock *sk, struct sk_buff *skb)
869 return security_ops->netlink_send(sk, skb);
872 int security_netlink_recv(struct sk_buff *skb, int cap)
874 return security_ops->netlink_recv(skb, cap);
876 EXPORT_SYMBOL(security_netlink_recv);
878 int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
880 return security_ops->secid_to_secctx(secid, secdata, seclen);
882 EXPORT_SYMBOL(security_secid_to_secctx);
884 int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
886 return security_ops->secctx_to_secid(secdata, seclen, secid);
888 EXPORT_SYMBOL(security_secctx_to_secid);
890 void security_release_secctx(char *secdata, u32 seclen)
892 security_ops->release_secctx(secdata, seclen);
894 EXPORT_SYMBOL(security_release_secctx);
896 #ifdef CONFIG_SECURITY_NETWORK
898 int security_unix_stream_connect(struct socket *sock, struct socket *other,
901 return security_ops->unix_stream_connect(sock, other, newsk);
903 EXPORT_SYMBOL(security_unix_stream_connect);
905 int security_unix_may_send(struct socket *sock, struct socket *other)
907 return security_ops->unix_may_send(sock, other);
909 EXPORT_SYMBOL(security_unix_may_send);
911 int security_socket_create(int family, int type, int protocol, int kern)
913 return security_ops->socket_create(family, type, protocol, kern);
916 int security_socket_post_create(struct socket *sock, int family,
917 int type, int protocol, int kern)
919 return security_ops->socket_post_create(sock, family, type,
923 int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
925 return security_ops->socket_bind(sock, address, addrlen);
928 int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
930 return security_ops->socket_connect(sock, address, addrlen);
933 int security_socket_listen(struct socket *sock, int backlog)
935 return security_ops->socket_listen(sock, backlog);
938 int security_socket_accept(struct socket *sock, struct socket *newsock)
940 return security_ops->socket_accept(sock, newsock);
943 void security_socket_post_accept(struct socket *sock, struct socket *newsock)
945 security_ops->socket_post_accept(sock, newsock);
948 int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
950 return security_ops->socket_sendmsg(sock, msg, size);
953 int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
956 return security_ops->socket_recvmsg(sock, msg, size, flags);
959 int security_socket_getsockname(struct socket *sock)
961 return security_ops->socket_getsockname(sock);
964 int security_socket_getpeername(struct socket *sock)
966 return security_ops->socket_getpeername(sock);
969 int security_socket_getsockopt(struct socket *sock, int level, int optname)
971 return security_ops->socket_getsockopt(sock, level, optname);
974 int security_socket_setsockopt(struct socket *sock, int level, int optname)
976 return security_ops->socket_setsockopt(sock, level, optname);
979 int security_socket_shutdown(struct socket *sock, int how)
981 return security_ops->socket_shutdown(sock, how);
984 int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
986 return security_ops->socket_sock_rcv_skb(sk, skb);
988 EXPORT_SYMBOL(security_sock_rcv_skb);
990 int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
991 int __user *optlen, unsigned len)
993 return security_ops->socket_getpeersec_stream(sock, optval, optlen, len);
996 int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
998 return security_ops->socket_getpeersec_dgram(sock, skb, secid);
1000 EXPORT_SYMBOL(security_socket_getpeersec_dgram);
1002 int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1004 return security_ops->sk_alloc_security(sk, family, priority);
1007 void security_sk_free(struct sock *sk)
1009 security_ops->sk_free_security(sk);
1012 void security_sk_clone(const struct sock *sk, struct sock *newsk)
1014 security_ops->sk_clone_security(sk, newsk);
1017 void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1019 security_ops->sk_getsecid(sk, &fl->secid);
1021 EXPORT_SYMBOL(security_sk_classify_flow);
1023 void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1025 security_ops->req_classify_flow(req, fl);
1027 EXPORT_SYMBOL(security_req_classify_flow);
1029 void security_sock_graft(struct sock *sk, struct socket *parent)
1031 security_ops->sock_graft(sk, parent);
1033 EXPORT_SYMBOL(security_sock_graft);
1035 int security_inet_conn_request(struct sock *sk,
1036 struct sk_buff *skb, struct request_sock *req)
1038 return security_ops->inet_conn_request(sk, skb, req);
1040 EXPORT_SYMBOL(security_inet_conn_request);
1042 void security_inet_csk_clone(struct sock *newsk,
1043 const struct request_sock *req)
1045 security_ops->inet_csk_clone(newsk, req);
1048 void security_inet_conn_established(struct sock *sk,
1049 struct sk_buff *skb)
1051 security_ops->inet_conn_established(sk, skb);
1054 #endif /* CONFIG_SECURITY_NETWORK */
1056 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1058 int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *sec_ctx)
1060 return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx);
1062 EXPORT_SYMBOL(security_xfrm_policy_alloc);
1064 int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
1065 struct xfrm_sec_ctx **new_ctxp)
1067 return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp);
1070 void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
1072 security_ops->xfrm_policy_free_security(ctx);
1074 EXPORT_SYMBOL(security_xfrm_policy_free);
1076 int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
1078 return security_ops->xfrm_policy_delete_security(ctx);
1081 int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx)
1083 return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0);
1085 EXPORT_SYMBOL(security_xfrm_state_alloc);
1087 int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1088 struct xfrm_sec_ctx *polsec, u32 secid)
1093 * We want the context to be taken from secid which is usually
1096 return security_ops->xfrm_state_alloc_security(x, NULL, secid);
1099 int security_xfrm_state_delete(struct xfrm_state *x)
1101 return security_ops->xfrm_state_delete_security(x);
1103 EXPORT_SYMBOL(security_xfrm_state_delete);
1105 void security_xfrm_state_free(struct xfrm_state *x)
1107 security_ops->xfrm_state_free_security(x);
1110 int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
1112 return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir);
1115 int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1116 struct xfrm_policy *xp, struct flowi *fl)
1118 return security_ops->xfrm_state_pol_flow_match(x, xp, fl);
1121 int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1123 return security_ops->xfrm_decode_session(skb, secid, 1);
1126 void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1128 int rc = security_ops->xfrm_decode_session(skb, &fl->secid, 0);
1132 EXPORT_SYMBOL(security_skb_classify_flow);
1134 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1138 int security_key_alloc(struct key *key, struct task_struct *tsk, unsigned long flags)
1140 return security_ops->key_alloc(key, tsk, flags);
1143 void security_key_free(struct key *key)
1145 security_ops->key_free(key);
1148 int security_key_permission(key_ref_t key_ref,
1149 struct task_struct *context, key_perm_t perm)
1151 return security_ops->key_permission(key_ref, context, perm);
1154 int security_key_getsecurity(struct key *key, char **_buffer)
1156 return security_ops->key_getsecurity(key, _buffer);
1159 #endif /* CONFIG_KEYS */
1163 int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
1165 return security_ops->audit_rule_init(field, op, rulestr, lsmrule);
1168 int security_audit_rule_known(struct audit_krule *krule)
1170 return security_ops->audit_rule_known(krule);
1173 void security_audit_rule_free(void *lsmrule)
1175 security_ops->audit_rule_free(lsmrule);
1178 int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1179 struct audit_context *actx)
1181 return security_ops->audit_rule_match(secid, field, op, lsmrule, actx);
1184 #endif /* CONFIG_AUDIT */