powerpc/ptrace: Remove BUG_ON when full register set not available
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / security / security.c
blob9187665a3fdd8fcd13bd6d19a630b5fc8f4c9ab7
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>
19 #include <linux/ima.h>
21 /* Boot-time LSM user choice */
22 static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1] =
23 CONFIG_DEFAULT_SECURITY;
25 /* things that live in capability.c */
26 extern void __init security_fixup_ops(struct security_operations *ops);
28 static struct security_operations *security_ops;
29 static struct security_operations default_security_ops = {
30 .name = "default",
33 static inline int __init verify(struct security_operations *ops)
35 /* verify the security_operations structure exists */
36 if (!ops)
37 return -EINVAL;
38 security_fixup_ops(ops);
39 return 0;
42 static void __init do_security_initcalls(void)
44 initcall_t *call;
45 call = __security_initcall_start;
46 while (call < __security_initcall_end) {
47 (*call) ();
48 call++;
52 /**
53 * security_init - initializes the security framework
55 * This should be called early in the kernel initialization sequence.
57 int __init security_init(void)
59 printk(KERN_INFO "Security Framework initialized\n");
61 security_fixup_ops(&default_security_ops);
62 security_ops = &default_security_ops;
63 do_security_initcalls();
65 return 0;
68 void reset_security_ops(void)
70 security_ops = &default_security_ops;
73 /* Save user chosen LSM */
74 static int __init choose_lsm(char *str)
76 strncpy(chosen_lsm, str, SECURITY_NAME_MAX);
77 return 1;
79 __setup("security=", choose_lsm);
81 /**
82 * security_module_enable - Load given security module on boot ?
83 * @ops: a pointer to the struct security_operations that is to be checked.
85 * Each LSM must pass this method before registering its own operations
86 * to avoid security registration races. This method may also be used
87 * to check if your LSM is currently loaded during kernel initialization.
89 * Return true if:
90 * -The passed LSM is the one chosen by user at boot time,
91 * -or the passed LSM is configured as the default and the user did not
92 * choose an alternate LSM at boot time.
93 * Otherwise, return false.
95 int __init security_module_enable(struct security_operations *ops)
97 return !strcmp(ops->name, chosen_lsm);
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 __init 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_access_check(struct task_struct *child, unsigned int mode)
132 return security_ops->ptrace_access_check(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(const struct cred *cred, int cap)
159 return security_ops->capable(current, cred, cap, SECURITY_CAP_AUDIT);
162 int security_real_capable(struct task_struct *tsk, int cap)
164 const struct cred *cred;
165 int ret;
167 cred = get_task_cred(tsk);
168 ret = security_ops->capable(tsk, cred, cap, SECURITY_CAP_AUDIT);
169 put_cred(cred);
170 return ret;
173 int security_real_capable_noaudit(struct task_struct *tsk, int cap)
175 const struct cred *cred;
176 int ret;
178 cred = get_task_cred(tsk);
179 ret = security_ops->capable(tsk, cred, cap, SECURITY_CAP_NOAUDIT);
180 put_cred(cred);
181 return ret;
184 int security_quotactl(int cmds, int type, int id, struct super_block *sb)
186 return security_ops->quotactl(cmds, type, id, sb);
189 int security_quota_on(struct dentry *dentry)
191 return security_ops->quota_on(dentry);
194 int security_syslog(int type)
196 return security_ops->syslog(type);
199 int security_settime(const struct timespec *ts, const struct timezone *tz)
201 return security_ops->settime(ts, tz);
204 int security_vm_enough_memory(long pages)
206 WARN_ON(current->mm == NULL);
207 return security_ops->vm_enough_memory(current->mm, pages);
210 int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
212 WARN_ON(mm == NULL);
213 return security_ops->vm_enough_memory(mm, pages);
216 int security_vm_enough_memory_kern(long pages)
218 /* If current->mm is a kernel thread then we will pass NULL,
219 for this specific case that is fine */
220 return security_ops->vm_enough_memory(current->mm, pages);
223 int security_bprm_set_creds(struct linux_binprm *bprm)
225 return security_ops->bprm_set_creds(bprm);
228 int security_bprm_check(struct linux_binprm *bprm)
230 int ret;
232 ret = security_ops->bprm_check_security(bprm);
233 if (ret)
234 return ret;
235 return ima_bprm_check(bprm);
238 void security_bprm_committing_creds(struct linux_binprm *bprm)
240 security_ops->bprm_committing_creds(bprm);
243 void security_bprm_committed_creds(struct linux_binprm *bprm)
245 security_ops->bprm_committed_creds(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_remount(struct super_block *sb, void *data)
271 return security_ops->sb_remount(sb, data);
274 int security_sb_kern_mount(struct super_block *sb, int flags, void *data)
276 return security_ops->sb_kern_mount(sb, flags, data);
279 int security_sb_show_options(struct seq_file *m, struct super_block *sb)
281 return security_ops->sb_show_options(m, sb);
284 int security_sb_statfs(struct dentry *dentry)
286 return security_ops->sb_statfs(dentry);
289 int security_sb_mount(char *dev_name, struct path *path,
290 char *type, unsigned long flags, void *data)
292 return security_ops->sb_mount(dev_name, path, type, flags, data);
295 int security_sb_umount(struct vfsmount *mnt, int flags)
297 return security_ops->sb_umount(mnt, flags);
300 int security_sb_pivotroot(struct path *old_path, struct path *new_path)
302 return security_ops->sb_pivotroot(old_path, new_path);
305 int security_sb_set_mnt_opts(struct super_block *sb,
306 struct security_mnt_opts *opts)
308 return security_ops->sb_set_mnt_opts(sb, opts);
310 EXPORT_SYMBOL(security_sb_set_mnt_opts);
312 void security_sb_clone_mnt_opts(const struct super_block *oldsb,
313 struct super_block *newsb)
315 security_ops->sb_clone_mnt_opts(oldsb, newsb);
317 EXPORT_SYMBOL(security_sb_clone_mnt_opts);
319 int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
321 return security_ops->sb_parse_opts_str(options, opts);
323 EXPORT_SYMBOL(security_sb_parse_opts_str);
325 int security_inode_alloc(struct inode *inode)
327 inode->i_security = NULL;
328 return security_ops->inode_alloc_security(inode);
331 void security_inode_free(struct inode *inode)
333 ima_inode_free(inode);
334 security_ops->inode_free_security(inode);
337 int security_inode_init_security(struct inode *inode, struct inode *dir,
338 const struct qstr *qstr, char **name,
339 void **value, size_t *len)
341 if (unlikely(IS_PRIVATE(inode)))
342 return -EOPNOTSUPP;
343 return security_ops->inode_init_security(inode, dir, qstr, name, value,
344 len);
346 EXPORT_SYMBOL(security_inode_init_security);
348 #ifdef CONFIG_SECURITY_PATH
349 int security_path_mknod(struct path *dir, struct dentry *dentry, int mode,
350 unsigned int dev)
352 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
353 return 0;
354 return security_ops->path_mknod(dir, dentry, mode, dev);
356 EXPORT_SYMBOL(security_path_mknod);
358 int security_path_mkdir(struct path *dir, struct dentry *dentry, int mode)
360 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
361 return 0;
362 return security_ops->path_mkdir(dir, dentry, mode);
364 EXPORT_SYMBOL(security_path_mkdir);
366 int security_path_rmdir(struct path *dir, struct dentry *dentry)
368 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
369 return 0;
370 return security_ops->path_rmdir(dir, dentry);
373 int security_path_unlink(struct path *dir, struct dentry *dentry)
375 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
376 return 0;
377 return security_ops->path_unlink(dir, dentry);
379 EXPORT_SYMBOL(security_path_unlink);
381 int security_path_symlink(struct path *dir, struct dentry *dentry,
382 const char *old_name)
384 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
385 return 0;
386 return security_ops->path_symlink(dir, dentry, old_name);
389 int security_path_link(struct dentry *old_dentry, struct path *new_dir,
390 struct dentry *new_dentry)
392 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
393 return 0;
394 return security_ops->path_link(old_dentry, new_dir, new_dentry);
397 int security_path_rename(struct path *old_dir, struct dentry *old_dentry,
398 struct path *new_dir, struct dentry *new_dentry)
400 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
401 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
402 return 0;
403 return security_ops->path_rename(old_dir, old_dentry, new_dir,
404 new_dentry);
406 EXPORT_SYMBOL(security_path_rename);
408 int security_path_truncate(struct path *path)
410 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
411 return 0;
412 return security_ops->path_truncate(path);
415 int security_path_chmod(struct dentry *dentry, struct vfsmount *mnt,
416 mode_t mode)
418 if (unlikely(IS_PRIVATE(dentry->d_inode)))
419 return 0;
420 return security_ops->path_chmod(dentry, mnt, mode);
423 int security_path_chown(struct path *path, uid_t uid, gid_t gid)
425 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
426 return 0;
427 return security_ops->path_chown(path, uid, gid);
430 int security_path_chroot(struct path *path)
432 return security_ops->path_chroot(path);
434 #endif
436 int security_inode_create(struct inode *dir, struct dentry *dentry, int mode)
438 if (unlikely(IS_PRIVATE(dir)))
439 return 0;
440 return security_ops->inode_create(dir, dentry, mode);
442 EXPORT_SYMBOL_GPL(security_inode_create);
444 int security_inode_link(struct dentry *old_dentry, struct inode *dir,
445 struct dentry *new_dentry)
447 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
448 return 0;
449 return security_ops->inode_link(old_dentry, dir, new_dentry);
452 int security_inode_unlink(struct inode *dir, struct dentry *dentry)
454 if (unlikely(IS_PRIVATE(dentry->d_inode)))
455 return 0;
456 return security_ops->inode_unlink(dir, dentry);
459 int security_inode_symlink(struct inode *dir, struct dentry *dentry,
460 const char *old_name)
462 if (unlikely(IS_PRIVATE(dir)))
463 return 0;
464 return security_ops->inode_symlink(dir, dentry, old_name);
467 int security_inode_mkdir(struct inode *dir, struct dentry *dentry, int mode)
469 if (unlikely(IS_PRIVATE(dir)))
470 return 0;
471 return security_ops->inode_mkdir(dir, dentry, mode);
473 EXPORT_SYMBOL_GPL(security_inode_mkdir);
475 int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
477 if (unlikely(IS_PRIVATE(dentry->d_inode)))
478 return 0;
479 return security_ops->inode_rmdir(dir, dentry);
482 int security_inode_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev)
484 if (unlikely(IS_PRIVATE(dir)))
485 return 0;
486 return security_ops->inode_mknod(dir, dentry, mode, dev);
489 int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
490 struct inode *new_dir, struct dentry *new_dentry)
492 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
493 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
494 return 0;
495 return security_ops->inode_rename(old_dir, old_dentry,
496 new_dir, new_dentry);
499 int security_inode_readlink(struct dentry *dentry)
501 if (unlikely(IS_PRIVATE(dentry->d_inode)))
502 return 0;
503 return security_ops->inode_readlink(dentry);
506 int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd)
508 if (unlikely(IS_PRIVATE(dentry->d_inode)))
509 return 0;
510 return security_ops->inode_follow_link(dentry, nd);
513 int security_inode_permission(struct inode *inode, int mask)
515 if (unlikely(IS_PRIVATE(inode)))
516 return 0;
517 return security_ops->inode_permission(inode, mask);
520 int security_inode_exec_permission(struct inode *inode, unsigned int flags)
522 if (unlikely(IS_PRIVATE(inode)))
523 return 0;
524 if (flags)
525 return -ECHILD;
526 return security_ops->inode_permission(inode, MAY_EXEC);
529 int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
531 if (unlikely(IS_PRIVATE(dentry->d_inode)))
532 return 0;
533 return security_ops->inode_setattr(dentry, attr);
535 EXPORT_SYMBOL_GPL(security_inode_setattr);
537 int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
539 if (unlikely(IS_PRIVATE(dentry->d_inode)))
540 return 0;
541 return security_ops->inode_getattr(mnt, dentry);
544 int security_inode_setxattr(struct dentry *dentry, const char *name,
545 const void *value, size_t size, int flags)
547 if (unlikely(IS_PRIVATE(dentry->d_inode)))
548 return 0;
549 return security_ops->inode_setxattr(dentry, name, value, size, flags);
552 void security_inode_post_setxattr(struct dentry *dentry, const char *name,
553 const void *value, size_t size, int flags)
555 if (unlikely(IS_PRIVATE(dentry->d_inode)))
556 return;
557 security_ops->inode_post_setxattr(dentry, name, value, size, flags);
560 int security_inode_getxattr(struct dentry *dentry, const char *name)
562 if (unlikely(IS_PRIVATE(dentry->d_inode)))
563 return 0;
564 return security_ops->inode_getxattr(dentry, name);
567 int security_inode_listxattr(struct dentry *dentry)
569 if (unlikely(IS_PRIVATE(dentry->d_inode)))
570 return 0;
571 return security_ops->inode_listxattr(dentry);
574 int security_inode_removexattr(struct dentry *dentry, const char *name)
576 if (unlikely(IS_PRIVATE(dentry->d_inode)))
577 return 0;
578 return security_ops->inode_removexattr(dentry, name);
581 int security_inode_need_killpriv(struct dentry *dentry)
583 return security_ops->inode_need_killpriv(dentry);
586 int security_inode_killpriv(struct dentry *dentry)
588 return security_ops->inode_killpriv(dentry);
591 int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
593 if (unlikely(IS_PRIVATE(inode)))
594 return -EOPNOTSUPP;
595 return security_ops->inode_getsecurity(inode, name, buffer, alloc);
598 int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
600 if (unlikely(IS_PRIVATE(inode)))
601 return -EOPNOTSUPP;
602 return security_ops->inode_setsecurity(inode, name, value, size, flags);
605 int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
607 if (unlikely(IS_PRIVATE(inode)))
608 return 0;
609 return security_ops->inode_listsecurity(inode, buffer, buffer_size);
612 void security_inode_getsecid(const struct inode *inode, u32 *secid)
614 security_ops->inode_getsecid(inode, secid);
617 int security_file_permission(struct file *file, int mask)
619 int ret;
621 ret = security_ops->file_permission(file, mask);
622 if (ret)
623 return ret;
625 return fsnotify_perm(file, mask);
628 int security_file_alloc(struct file *file)
630 return security_ops->file_alloc_security(file);
633 void security_file_free(struct file *file)
635 security_ops->file_free_security(file);
638 int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
640 return security_ops->file_ioctl(file, cmd, arg);
643 int security_file_mmap(struct file *file, unsigned long reqprot,
644 unsigned long prot, unsigned long flags,
645 unsigned long addr, unsigned long addr_only)
647 int ret;
649 ret = security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only);
650 if (ret)
651 return ret;
652 return ima_file_mmap(file, prot);
655 int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
656 unsigned long prot)
658 return security_ops->file_mprotect(vma, reqprot, prot);
661 int security_file_lock(struct file *file, unsigned int cmd)
663 return security_ops->file_lock(file, cmd);
666 int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
668 return security_ops->file_fcntl(file, cmd, arg);
671 int security_file_set_fowner(struct file *file)
673 return security_ops->file_set_fowner(file);
676 int security_file_send_sigiotask(struct task_struct *tsk,
677 struct fown_struct *fown, int sig)
679 return security_ops->file_send_sigiotask(tsk, fown, sig);
682 int security_file_receive(struct file *file)
684 return security_ops->file_receive(file);
687 int security_dentry_open(struct file *file, const struct cred *cred)
689 int ret;
691 ret = security_ops->dentry_open(file, cred);
692 if (ret)
693 return ret;
695 return fsnotify_perm(file, MAY_OPEN);
698 int security_task_create(unsigned long clone_flags)
700 return security_ops->task_create(clone_flags);
703 int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
705 return security_ops->cred_alloc_blank(cred, gfp);
708 void security_cred_free(struct cred *cred)
710 security_ops->cred_free(cred);
713 int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp)
715 return security_ops->cred_prepare(new, old, gfp);
718 void security_transfer_creds(struct cred *new, const struct cred *old)
720 security_ops->cred_transfer(new, old);
723 int security_kernel_act_as(struct cred *new, u32 secid)
725 return security_ops->kernel_act_as(new, secid);
728 int security_kernel_create_files_as(struct cred *new, struct inode *inode)
730 return security_ops->kernel_create_files_as(new, inode);
733 int security_kernel_module_request(char *kmod_name)
735 return security_ops->kernel_module_request(kmod_name);
738 int security_task_fix_setuid(struct cred *new, const struct cred *old,
739 int flags)
741 return security_ops->task_fix_setuid(new, old, flags);
744 int security_task_setpgid(struct task_struct *p, pid_t pgid)
746 return security_ops->task_setpgid(p, pgid);
749 int security_task_getpgid(struct task_struct *p)
751 return security_ops->task_getpgid(p);
754 int security_task_getsid(struct task_struct *p)
756 return security_ops->task_getsid(p);
759 void security_task_getsecid(struct task_struct *p, u32 *secid)
761 security_ops->task_getsecid(p, secid);
763 EXPORT_SYMBOL(security_task_getsecid);
765 int security_task_setnice(struct task_struct *p, int nice)
767 return security_ops->task_setnice(p, nice);
770 int security_task_setioprio(struct task_struct *p, int ioprio)
772 return security_ops->task_setioprio(p, ioprio);
775 int security_task_getioprio(struct task_struct *p)
777 return security_ops->task_getioprio(p);
780 int security_task_setrlimit(struct task_struct *p, unsigned int resource,
781 struct rlimit *new_rlim)
783 return security_ops->task_setrlimit(p, resource, new_rlim);
786 int security_task_setscheduler(struct task_struct *p)
788 return security_ops->task_setscheduler(p);
791 int security_task_getscheduler(struct task_struct *p)
793 return security_ops->task_getscheduler(p);
796 int security_task_movememory(struct task_struct *p)
798 return security_ops->task_movememory(p);
801 int security_task_kill(struct task_struct *p, struct siginfo *info,
802 int sig, u32 secid)
804 return security_ops->task_kill(p, info, sig, secid);
807 int security_task_wait(struct task_struct *p)
809 return security_ops->task_wait(p);
812 int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
813 unsigned long arg4, unsigned long arg5)
815 return security_ops->task_prctl(option, arg2, arg3, arg4, arg5);
818 void security_task_to_inode(struct task_struct *p, struct inode *inode)
820 security_ops->task_to_inode(p, inode);
823 int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
825 return security_ops->ipc_permission(ipcp, flag);
828 void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
830 security_ops->ipc_getsecid(ipcp, secid);
833 int security_msg_msg_alloc(struct msg_msg *msg)
835 return security_ops->msg_msg_alloc_security(msg);
838 void security_msg_msg_free(struct msg_msg *msg)
840 security_ops->msg_msg_free_security(msg);
843 int security_msg_queue_alloc(struct msg_queue *msq)
845 return security_ops->msg_queue_alloc_security(msq);
848 void security_msg_queue_free(struct msg_queue *msq)
850 security_ops->msg_queue_free_security(msq);
853 int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
855 return security_ops->msg_queue_associate(msq, msqflg);
858 int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
860 return security_ops->msg_queue_msgctl(msq, cmd);
863 int security_msg_queue_msgsnd(struct msg_queue *msq,
864 struct msg_msg *msg, int msqflg)
866 return security_ops->msg_queue_msgsnd(msq, msg, msqflg);
869 int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
870 struct task_struct *target, long type, int mode)
872 return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode);
875 int security_shm_alloc(struct shmid_kernel *shp)
877 return security_ops->shm_alloc_security(shp);
880 void security_shm_free(struct shmid_kernel *shp)
882 security_ops->shm_free_security(shp);
885 int security_shm_associate(struct shmid_kernel *shp, int shmflg)
887 return security_ops->shm_associate(shp, shmflg);
890 int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
892 return security_ops->shm_shmctl(shp, cmd);
895 int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
897 return security_ops->shm_shmat(shp, shmaddr, shmflg);
900 int security_sem_alloc(struct sem_array *sma)
902 return security_ops->sem_alloc_security(sma);
905 void security_sem_free(struct sem_array *sma)
907 security_ops->sem_free_security(sma);
910 int security_sem_associate(struct sem_array *sma, int semflg)
912 return security_ops->sem_associate(sma, semflg);
915 int security_sem_semctl(struct sem_array *sma, int cmd)
917 return security_ops->sem_semctl(sma, cmd);
920 int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
921 unsigned nsops, int alter)
923 return security_ops->sem_semop(sma, sops, nsops, alter);
926 void security_d_instantiate(struct dentry *dentry, struct inode *inode)
928 if (unlikely(inode && IS_PRIVATE(inode)))
929 return;
930 security_ops->d_instantiate(dentry, inode);
932 EXPORT_SYMBOL(security_d_instantiate);
934 int security_getprocattr(struct task_struct *p, char *name, char **value)
936 return security_ops->getprocattr(p, name, value);
939 int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
941 return security_ops->setprocattr(p, name, value, size);
944 int security_netlink_send(struct sock *sk, struct sk_buff *skb)
946 return security_ops->netlink_send(sk, skb);
949 int security_netlink_recv(struct sk_buff *skb, int cap)
951 return security_ops->netlink_recv(skb, cap);
953 EXPORT_SYMBOL(security_netlink_recv);
955 int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
957 return security_ops->secid_to_secctx(secid, secdata, seclen);
959 EXPORT_SYMBOL(security_secid_to_secctx);
961 int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
963 return security_ops->secctx_to_secid(secdata, seclen, secid);
965 EXPORT_SYMBOL(security_secctx_to_secid);
967 void security_release_secctx(char *secdata, u32 seclen)
969 security_ops->release_secctx(secdata, seclen);
971 EXPORT_SYMBOL(security_release_secctx);
973 int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
975 return security_ops->inode_notifysecctx(inode, ctx, ctxlen);
977 EXPORT_SYMBOL(security_inode_notifysecctx);
979 int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
981 return security_ops->inode_setsecctx(dentry, ctx, ctxlen);
983 EXPORT_SYMBOL(security_inode_setsecctx);
985 int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
987 return security_ops->inode_getsecctx(inode, ctx, ctxlen);
989 EXPORT_SYMBOL(security_inode_getsecctx);
991 #ifdef CONFIG_SECURITY_NETWORK
993 int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk)
995 return security_ops->unix_stream_connect(sock, other, newsk);
997 EXPORT_SYMBOL(security_unix_stream_connect);
999 int security_unix_may_send(struct socket *sock, struct socket *other)
1001 return security_ops->unix_may_send(sock, other);
1003 EXPORT_SYMBOL(security_unix_may_send);
1005 int security_socket_create(int family, int type, int protocol, int kern)
1007 return security_ops->socket_create(family, type, protocol, kern);
1010 int security_socket_post_create(struct socket *sock, int family,
1011 int type, int protocol, int kern)
1013 return security_ops->socket_post_create(sock, family, type,
1014 protocol, kern);
1017 int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
1019 return security_ops->socket_bind(sock, address, addrlen);
1022 int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
1024 return security_ops->socket_connect(sock, address, addrlen);
1027 int security_socket_listen(struct socket *sock, int backlog)
1029 return security_ops->socket_listen(sock, backlog);
1032 int security_socket_accept(struct socket *sock, struct socket *newsock)
1034 return security_ops->socket_accept(sock, newsock);
1037 int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
1039 return security_ops->socket_sendmsg(sock, msg, size);
1042 int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1043 int size, int flags)
1045 return security_ops->socket_recvmsg(sock, msg, size, flags);
1048 int security_socket_getsockname(struct socket *sock)
1050 return security_ops->socket_getsockname(sock);
1053 int security_socket_getpeername(struct socket *sock)
1055 return security_ops->socket_getpeername(sock);
1058 int security_socket_getsockopt(struct socket *sock, int level, int optname)
1060 return security_ops->socket_getsockopt(sock, level, optname);
1063 int security_socket_setsockopt(struct socket *sock, int level, int optname)
1065 return security_ops->socket_setsockopt(sock, level, optname);
1068 int security_socket_shutdown(struct socket *sock, int how)
1070 return security_ops->socket_shutdown(sock, how);
1073 int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
1075 return security_ops->socket_sock_rcv_skb(sk, skb);
1077 EXPORT_SYMBOL(security_sock_rcv_skb);
1079 int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1080 int __user *optlen, unsigned len)
1082 return security_ops->socket_getpeersec_stream(sock, optval, optlen, len);
1085 int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1087 return security_ops->socket_getpeersec_dgram(sock, skb, secid);
1089 EXPORT_SYMBOL(security_socket_getpeersec_dgram);
1091 int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1093 return security_ops->sk_alloc_security(sk, family, priority);
1096 void security_sk_free(struct sock *sk)
1098 security_ops->sk_free_security(sk);
1101 void security_sk_clone(const struct sock *sk, struct sock *newsk)
1103 security_ops->sk_clone_security(sk, newsk);
1106 void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1108 security_ops->sk_getsecid(sk, &fl->flowi_secid);
1110 EXPORT_SYMBOL(security_sk_classify_flow);
1112 void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1114 security_ops->req_classify_flow(req, fl);
1116 EXPORT_SYMBOL(security_req_classify_flow);
1118 void security_sock_graft(struct sock *sk, struct socket *parent)
1120 security_ops->sock_graft(sk, parent);
1122 EXPORT_SYMBOL(security_sock_graft);
1124 int security_inet_conn_request(struct sock *sk,
1125 struct sk_buff *skb, struct request_sock *req)
1127 return security_ops->inet_conn_request(sk, skb, req);
1129 EXPORT_SYMBOL(security_inet_conn_request);
1131 void security_inet_csk_clone(struct sock *newsk,
1132 const struct request_sock *req)
1134 security_ops->inet_csk_clone(newsk, req);
1137 void security_inet_conn_established(struct sock *sk,
1138 struct sk_buff *skb)
1140 security_ops->inet_conn_established(sk, skb);
1143 int security_secmark_relabel_packet(u32 secid)
1145 return security_ops->secmark_relabel_packet(secid);
1147 EXPORT_SYMBOL(security_secmark_relabel_packet);
1149 void security_secmark_refcount_inc(void)
1151 security_ops->secmark_refcount_inc();
1153 EXPORT_SYMBOL(security_secmark_refcount_inc);
1155 void security_secmark_refcount_dec(void)
1157 security_ops->secmark_refcount_dec();
1159 EXPORT_SYMBOL(security_secmark_refcount_dec);
1161 int security_tun_dev_create(void)
1163 return security_ops->tun_dev_create();
1165 EXPORT_SYMBOL(security_tun_dev_create);
1167 void security_tun_dev_post_create(struct sock *sk)
1169 return security_ops->tun_dev_post_create(sk);
1171 EXPORT_SYMBOL(security_tun_dev_post_create);
1173 int security_tun_dev_attach(struct sock *sk)
1175 return security_ops->tun_dev_attach(sk);
1177 EXPORT_SYMBOL(security_tun_dev_attach);
1179 #endif /* CONFIG_SECURITY_NETWORK */
1181 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1183 int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *sec_ctx)
1185 return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx);
1187 EXPORT_SYMBOL(security_xfrm_policy_alloc);
1189 int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
1190 struct xfrm_sec_ctx **new_ctxp)
1192 return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp);
1195 void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
1197 security_ops->xfrm_policy_free_security(ctx);
1199 EXPORT_SYMBOL(security_xfrm_policy_free);
1201 int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
1203 return security_ops->xfrm_policy_delete_security(ctx);
1206 int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx)
1208 return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0);
1210 EXPORT_SYMBOL(security_xfrm_state_alloc);
1212 int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1213 struct xfrm_sec_ctx *polsec, u32 secid)
1215 if (!polsec)
1216 return 0;
1218 * We want the context to be taken from secid which is usually
1219 * from the sock.
1221 return security_ops->xfrm_state_alloc_security(x, NULL, secid);
1224 int security_xfrm_state_delete(struct xfrm_state *x)
1226 return security_ops->xfrm_state_delete_security(x);
1228 EXPORT_SYMBOL(security_xfrm_state_delete);
1230 void security_xfrm_state_free(struct xfrm_state *x)
1232 security_ops->xfrm_state_free_security(x);
1235 int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
1237 return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir);
1240 int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1241 struct xfrm_policy *xp,
1242 const struct flowi *fl)
1244 return security_ops->xfrm_state_pol_flow_match(x, xp, fl);
1247 int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1249 return security_ops->xfrm_decode_session(skb, secid, 1);
1252 void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1254 int rc = security_ops->xfrm_decode_session(skb, &fl->flowi_secid, 0);
1256 BUG_ON(rc);
1258 EXPORT_SYMBOL(security_skb_classify_flow);
1260 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1262 #ifdef CONFIG_KEYS
1264 int security_key_alloc(struct key *key, const struct cred *cred,
1265 unsigned long flags)
1267 return security_ops->key_alloc(key, cred, flags);
1270 void security_key_free(struct key *key)
1272 security_ops->key_free(key);
1275 int security_key_permission(key_ref_t key_ref,
1276 const struct cred *cred, key_perm_t perm)
1278 return security_ops->key_permission(key_ref, cred, perm);
1281 int security_key_getsecurity(struct key *key, char **_buffer)
1283 return security_ops->key_getsecurity(key, _buffer);
1286 #endif /* CONFIG_KEYS */
1288 #ifdef CONFIG_AUDIT
1290 int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
1292 return security_ops->audit_rule_init(field, op, rulestr, lsmrule);
1295 int security_audit_rule_known(struct audit_krule *krule)
1297 return security_ops->audit_rule_known(krule);
1300 void security_audit_rule_free(void *lsmrule)
1302 security_ops->audit_rule_free(lsmrule);
1305 int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1306 struct audit_context *actx)
1308 return security_ops->audit_rule_match(secid, field, op, lsmrule, actx);
1311 #endif /* CONFIG_AUDIT */