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/integrity.h>
20 #include <linux/ima.h>
21 #include <linux/evm.h>
22 #include <linux/fsnotify.h>
25 #define MAX_LSM_EVM_XATTR 2
27 /* Boot-time LSM user choice */
28 static __initdata char chosen_lsm[SECURITY_NAME_MAX + 1] =
29 CONFIG_DEFAULT_SECURITY;
31 static struct security_operations *security_ops;
32 static struct security_operations default_security_ops = {
36 static inline int __init verify(struct security_operations *ops)
38 /* verify the security_operations structure exists */
41 security_fixup_ops(ops);
45 static void __init do_security_initcalls(void)
48 call = __security_initcall_start;
49 while (call < __security_initcall_end) {
56 * security_init - initializes the security framework
58 * This should be called early in the kernel initialization sequence.
60 int __init security_init(void)
62 printk(KERN_INFO "Security Framework initialized\n");
64 security_fixup_ops(&default_security_ops);
65 security_ops = &default_security_ops;
66 do_security_initcalls();
71 void reset_security_ops(void)
73 security_ops = &default_security_ops;
76 /* Save user chosen LSM */
77 static int __init choose_lsm(char *str)
79 strncpy(chosen_lsm, str, SECURITY_NAME_MAX);
82 __setup("security=", choose_lsm);
85 * security_module_enable - Load given security module on boot ?
86 * @ops: a pointer to the struct security_operations that is to be checked.
88 * Each LSM must pass this method before registering its own operations
89 * to avoid security registration races. This method may also be used
90 * to check if your LSM is currently loaded during kernel initialization.
93 * -The passed LSM is the one chosen by user at boot time,
94 * -or the passed LSM is configured as the default and the user did not
95 * choose an alternate LSM at boot time.
96 * Otherwise, return false.
98 int __init security_module_enable(struct security_operations *ops)
100 return !strcmp(ops->name, chosen_lsm);
104 * register_security - registers a security framework with the kernel
105 * @ops: a pointer to the struct security_options that is to be registered
107 * This function allows a security module to register itself with the
108 * kernel security subsystem. Some rudimentary checking is done on the @ops
109 * value passed to this function. You'll need to check first if your LSM
110 * is allowed to register its @ops by calling security_module_enable(@ops).
112 * If there is already a security module registered with the kernel,
113 * an error will be returned. Otherwise %0 is returned on success.
115 int __init register_security(struct security_operations *ops)
118 printk(KERN_DEBUG "%s could not verify "
119 "security_operations structure.\n", __func__);
123 if (security_ops != &default_security_ops)
131 /* Security operations */
133 int security_ptrace_access_check(struct task_struct *child, unsigned int mode)
136 rc = yama_ptrace_access_check(child, mode);
139 return security_ops->ptrace_access_check(child, mode);
142 int security_ptrace_traceme(struct task_struct *parent)
144 return security_ops->ptrace_traceme(parent);
147 int security_capget(struct task_struct *target,
148 kernel_cap_t *effective,
149 kernel_cap_t *inheritable,
150 kernel_cap_t *permitted)
152 return security_ops->capget(target, effective, inheritable, permitted);
155 int security_capset(struct cred *new, const struct cred *old,
156 const kernel_cap_t *effective,
157 const kernel_cap_t *inheritable,
158 const kernel_cap_t *permitted)
160 return security_ops->capset(new, old,
161 effective, inheritable, permitted);
164 int security_capable(const struct cred *cred, struct user_namespace *ns,
167 return security_ops->capable(cred, ns, cap, SECURITY_CAP_AUDIT);
170 int security_capable_noaudit(const struct cred *cred, struct user_namespace *ns,
173 return security_ops->capable(cred, ns, cap, SECURITY_CAP_NOAUDIT);
176 int security_quotactl(int cmds, int type, int id, struct super_block *sb)
178 return security_ops->quotactl(cmds, type, id, sb);
181 int security_quota_on(struct dentry *dentry)
183 return security_ops->quota_on(dentry);
186 int security_syslog(int type)
188 return security_ops->syslog(type);
191 int security_settime(const struct timespec *ts, const struct timezone *tz)
193 return security_ops->settime(ts, tz);
196 int security_vm_enough_memory_mm(struct mm_struct *mm, long pages)
198 return security_ops->vm_enough_memory(mm, pages);
201 int security_bprm_set_creds(struct linux_binprm *bprm)
203 return security_ops->bprm_set_creds(bprm);
206 int security_bprm_check(struct linux_binprm *bprm)
210 ret = security_ops->bprm_check_security(bprm);
213 return ima_bprm_check(bprm);
216 void security_bprm_committing_creds(struct linux_binprm *bprm)
218 security_ops->bprm_committing_creds(bprm);
221 void security_bprm_committed_creds(struct linux_binprm *bprm)
223 security_ops->bprm_committed_creds(bprm);
226 int security_bprm_secureexec(struct linux_binprm *bprm)
228 return security_ops->bprm_secureexec(bprm);
231 int security_sb_alloc(struct super_block *sb)
233 return security_ops->sb_alloc_security(sb);
236 void security_sb_free(struct super_block *sb)
238 security_ops->sb_free_security(sb);
241 int security_sb_copy_data(char *orig, char *copy)
243 return security_ops->sb_copy_data(orig, copy);
245 EXPORT_SYMBOL(security_sb_copy_data);
247 int security_sb_remount(struct super_block *sb, void *data)
249 return security_ops->sb_remount(sb, data);
252 int security_sb_kern_mount(struct super_block *sb, int flags, void *data)
254 return security_ops->sb_kern_mount(sb, flags, data);
257 int security_sb_show_options(struct seq_file *m, struct super_block *sb)
259 return security_ops->sb_show_options(m, sb);
262 int security_sb_statfs(struct dentry *dentry)
264 return security_ops->sb_statfs(dentry);
267 int security_sb_mount(char *dev_name, struct path *path,
268 char *type, unsigned long flags, void *data)
270 return security_ops->sb_mount(dev_name, path, type, flags, data);
273 int security_sb_umount(struct vfsmount *mnt, int flags)
275 return security_ops->sb_umount(mnt, flags);
278 int security_sb_pivotroot(struct path *old_path, struct path *new_path)
280 return security_ops->sb_pivotroot(old_path, new_path);
283 int security_sb_set_mnt_opts(struct super_block *sb,
284 struct security_mnt_opts *opts)
286 return security_ops->sb_set_mnt_opts(sb, opts);
288 EXPORT_SYMBOL(security_sb_set_mnt_opts);
290 void security_sb_clone_mnt_opts(const struct super_block *oldsb,
291 struct super_block *newsb)
293 security_ops->sb_clone_mnt_opts(oldsb, newsb);
295 EXPORT_SYMBOL(security_sb_clone_mnt_opts);
297 int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts)
299 return security_ops->sb_parse_opts_str(options, opts);
301 EXPORT_SYMBOL(security_sb_parse_opts_str);
303 int security_inode_alloc(struct inode *inode)
305 inode->i_security = NULL;
306 return security_ops->inode_alloc_security(inode);
309 void security_inode_free(struct inode *inode)
311 integrity_inode_free(inode);
312 security_ops->inode_free_security(inode);
315 int security_inode_init_security(struct inode *inode, struct inode *dir,
316 const struct qstr *qstr,
317 const initxattrs initxattrs, void *fs_data)
319 struct xattr new_xattrs[MAX_LSM_EVM_XATTR + 1];
320 struct xattr *lsm_xattr, *evm_xattr, *xattr;
323 if (unlikely(IS_PRIVATE(inode)))
326 memset(new_xattrs, 0, sizeof new_xattrs);
328 return security_ops->inode_init_security(inode, dir, qstr,
330 lsm_xattr = new_xattrs;
331 ret = security_ops->inode_init_security(inode, dir, qstr,
334 &lsm_xattr->value_len);
338 evm_xattr = lsm_xattr + 1;
339 ret = evm_inode_init_security(inode, lsm_xattr, evm_xattr);
342 ret = initxattrs(inode, new_xattrs, fs_data);
344 for (xattr = new_xattrs; xattr->name != NULL; xattr++) {
348 return (ret == -EOPNOTSUPP) ? 0 : ret;
350 EXPORT_SYMBOL(security_inode_init_security);
352 int security_old_inode_init_security(struct inode *inode, struct inode *dir,
353 const struct qstr *qstr, char **name,
354 void **value, size_t *len)
356 if (unlikely(IS_PRIVATE(inode)))
358 return security_ops->inode_init_security(inode, dir, qstr, name, value,
361 EXPORT_SYMBOL(security_old_inode_init_security);
363 #ifdef CONFIG_SECURITY_PATH
364 int security_path_mknod(struct path *dir, struct dentry *dentry, umode_t mode,
367 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
369 return security_ops->path_mknod(dir, dentry, mode, dev);
371 EXPORT_SYMBOL(security_path_mknod);
373 int security_path_mkdir(struct path *dir, struct dentry *dentry, umode_t mode)
375 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
377 return security_ops->path_mkdir(dir, dentry, mode);
379 EXPORT_SYMBOL(security_path_mkdir);
381 int security_path_rmdir(struct path *dir, struct dentry *dentry)
383 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
385 return security_ops->path_rmdir(dir, dentry);
388 int security_path_unlink(struct path *dir, struct dentry *dentry)
390 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
392 return security_ops->path_unlink(dir, dentry);
394 EXPORT_SYMBOL(security_path_unlink);
396 int security_path_symlink(struct path *dir, struct dentry *dentry,
397 const char *old_name)
399 if (unlikely(IS_PRIVATE(dir->dentry->d_inode)))
401 return security_ops->path_symlink(dir, dentry, old_name);
404 int security_path_link(struct dentry *old_dentry, struct path *new_dir,
405 struct dentry *new_dentry)
408 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
410 rc = yama_path_link(old_dentry, new_dir, new_dentry);
413 return security_ops->path_link(old_dentry, new_dir, new_dentry);
416 int security_path_rename(struct path *old_dir, struct dentry *old_dentry,
417 struct path *new_dir, struct dentry *new_dentry)
419 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
420 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
422 return security_ops->path_rename(old_dir, old_dentry, new_dir,
425 EXPORT_SYMBOL(security_path_rename);
427 int security_path_truncate(struct path *path)
429 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
431 return security_ops->path_truncate(path);
434 int security_path_chmod(struct path *path, umode_t mode)
436 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
438 return security_ops->path_chmod(path, mode);
441 int security_path_chown(struct path *path, uid_t uid, gid_t gid)
443 if (unlikely(IS_PRIVATE(path->dentry->d_inode)))
445 return security_ops->path_chown(path, uid, gid);
448 int security_path_chroot(struct path *path)
450 return security_ops->path_chroot(path);
454 int security_inode_create(struct inode *dir, struct dentry *dentry, umode_t mode)
456 if (unlikely(IS_PRIVATE(dir)))
458 return security_ops->inode_create(dir, dentry, mode);
460 EXPORT_SYMBOL_GPL(security_inode_create);
462 int security_inode_link(struct dentry *old_dentry, struct inode *dir,
463 struct dentry *new_dentry)
465 if (unlikely(IS_PRIVATE(old_dentry->d_inode)))
467 return security_ops->inode_link(old_dentry, dir, new_dentry);
470 int security_inode_unlink(struct inode *dir, struct dentry *dentry)
472 if (unlikely(IS_PRIVATE(dentry->d_inode)))
474 return security_ops->inode_unlink(dir, dentry);
477 int security_inode_symlink(struct inode *dir, struct dentry *dentry,
478 const char *old_name)
480 if (unlikely(IS_PRIVATE(dir)))
482 return security_ops->inode_symlink(dir, dentry, old_name);
485 int security_inode_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
487 if (unlikely(IS_PRIVATE(dir)))
489 return security_ops->inode_mkdir(dir, dentry, mode);
491 EXPORT_SYMBOL_GPL(security_inode_mkdir);
493 int security_inode_rmdir(struct inode *dir, struct dentry *dentry)
495 if (unlikely(IS_PRIVATE(dentry->d_inode)))
497 return security_ops->inode_rmdir(dir, dentry);
500 int security_inode_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev)
502 if (unlikely(IS_PRIVATE(dir)))
504 return security_ops->inode_mknod(dir, dentry, mode, dev);
507 int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry,
508 struct inode *new_dir, struct dentry *new_dentry)
510 if (unlikely(IS_PRIVATE(old_dentry->d_inode) ||
511 (new_dentry->d_inode && IS_PRIVATE(new_dentry->d_inode))))
513 return security_ops->inode_rename(old_dir, old_dentry,
514 new_dir, new_dentry);
517 int security_inode_readlink(struct dentry *dentry)
519 if (unlikely(IS_PRIVATE(dentry->d_inode)))
521 return security_ops->inode_readlink(dentry);
524 int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd)
527 if (unlikely(IS_PRIVATE(dentry->d_inode)))
529 rc = yama_inode_follow_link(dentry, nd);
532 return security_ops->inode_follow_link(dentry, nd);
535 int security_inode_permission(struct inode *inode, int mask)
537 if (unlikely(IS_PRIVATE(inode)))
539 return security_ops->inode_permission(inode, mask);
542 int security_inode_setattr(struct dentry *dentry, struct iattr *attr)
546 if (unlikely(IS_PRIVATE(dentry->d_inode)))
548 ret = security_ops->inode_setattr(dentry, attr);
551 return evm_inode_setattr(dentry, attr);
553 EXPORT_SYMBOL_GPL(security_inode_setattr);
555 int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry)
557 if (unlikely(IS_PRIVATE(dentry->d_inode)))
559 return security_ops->inode_getattr(mnt, dentry);
562 int security_inode_setxattr(struct dentry *dentry, const char *name,
563 const void *value, size_t size, int flags)
567 if (unlikely(IS_PRIVATE(dentry->d_inode)))
569 ret = security_ops->inode_setxattr(dentry, name, value, size, flags);
572 return evm_inode_setxattr(dentry, name, value, size);
575 void security_inode_post_setxattr(struct dentry *dentry, const char *name,
576 const void *value, size_t size, int flags)
578 if (unlikely(IS_PRIVATE(dentry->d_inode)))
580 security_ops->inode_post_setxattr(dentry, name, value, size, flags);
581 evm_inode_post_setxattr(dentry, name, value, size);
584 int security_inode_getxattr(struct dentry *dentry, const char *name)
586 if (unlikely(IS_PRIVATE(dentry->d_inode)))
588 return security_ops->inode_getxattr(dentry, name);
591 int security_inode_listxattr(struct dentry *dentry)
593 if (unlikely(IS_PRIVATE(dentry->d_inode)))
595 return security_ops->inode_listxattr(dentry);
598 int security_inode_removexattr(struct dentry *dentry, const char *name)
602 if (unlikely(IS_PRIVATE(dentry->d_inode)))
604 ret = security_ops->inode_removexattr(dentry, name);
607 return evm_inode_removexattr(dentry, name);
610 int security_inode_need_killpriv(struct dentry *dentry)
612 return security_ops->inode_need_killpriv(dentry);
615 int security_inode_killpriv(struct dentry *dentry)
617 return security_ops->inode_killpriv(dentry);
620 int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc)
622 if (unlikely(IS_PRIVATE(inode)))
624 return security_ops->inode_getsecurity(inode, name, buffer, alloc);
627 int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
629 if (unlikely(IS_PRIVATE(inode)))
631 return security_ops->inode_setsecurity(inode, name, value, size, flags);
634 int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
636 if (unlikely(IS_PRIVATE(inode)))
638 return security_ops->inode_listsecurity(inode, buffer, buffer_size);
641 void security_inode_getsecid(const struct inode *inode, u32 *secid)
643 security_ops->inode_getsecid(inode, secid);
646 int security_file_permission(struct file *file, int mask)
650 ret = security_ops->file_permission(file, mask);
654 return fsnotify_perm(file, mask);
657 int security_file_alloc(struct file *file)
659 return security_ops->file_alloc_security(file);
662 void security_file_free(struct file *file)
664 security_ops->file_free_security(file);
667 int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
669 return security_ops->file_ioctl(file, cmd, arg);
672 int security_file_mmap(struct file *file, unsigned long reqprot,
673 unsigned long prot, unsigned long flags,
674 unsigned long addr, unsigned long addr_only)
678 ret = security_ops->file_mmap(file, reqprot, prot, flags, addr, addr_only);
681 return ima_file_mmap(file, prot);
684 int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot,
687 return security_ops->file_mprotect(vma, reqprot, prot);
690 int security_file_lock(struct file *file, unsigned int cmd)
692 return security_ops->file_lock(file, cmd);
695 int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg)
697 return security_ops->file_fcntl(file, cmd, arg);
700 int security_file_set_fowner(struct file *file)
702 return security_ops->file_set_fowner(file);
705 int security_file_send_sigiotask(struct task_struct *tsk,
706 struct fown_struct *fown, int sig)
708 return security_ops->file_send_sigiotask(tsk, fown, sig);
711 int security_file_receive(struct file *file)
713 return security_ops->file_receive(file);
716 int security_dentry_open(struct file *file, const struct cred *cred)
720 ret = security_ops->dentry_open(file, cred);
724 return fsnotify_perm(file, MAY_OPEN);
727 int security_task_create(unsigned long clone_flags)
729 return security_ops->task_create(clone_flags);
732 void security_task_free(struct task_struct *task)
734 yama_task_free(task);
735 security_ops->task_free(task);
738 int security_cred_alloc_blank(struct cred *cred, gfp_t gfp)
740 return security_ops->cred_alloc_blank(cred, gfp);
743 void security_cred_free(struct cred *cred)
745 security_ops->cred_free(cred);
748 int security_prepare_creds(struct cred *new, const struct cred *old, gfp_t gfp)
750 return security_ops->cred_prepare(new, old, gfp);
753 void security_transfer_creds(struct cred *new, const struct cred *old)
755 security_ops->cred_transfer(new, old);
758 int security_kernel_act_as(struct cred *new, u32 secid)
760 return security_ops->kernel_act_as(new, secid);
763 int security_kernel_create_files_as(struct cred *new, struct inode *inode)
765 return security_ops->kernel_create_files_as(new, inode);
768 int security_kernel_module_request(char *kmod_name)
770 return security_ops->kernel_module_request(kmod_name);
773 int security_kernel_module_from_file(struct file *file)
775 return security_ops->kernel_module_from_file(file);
778 int security_task_fix_setuid(struct cred *new, const struct cred *old,
781 return security_ops->task_fix_setuid(new, old, flags);
784 int security_task_setpgid(struct task_struct *p, pid_t pgid)
786 return security_ops->task_setpgid(p, pgid);
789 int security_task_getpgid(struct task_struct *p)
791 return security_ops->task_getpgid(p);
794 int security_task_getsid(struct task_struct *p)
796 return security_ops->task_getsid(p);
799 void security_task_getsecid(struct task_struct *p, u32 *secid)
801 security_ops->task_getsecid(p, secid);
803 EXPORT_SYMBOL(security_task_getsecid);
805 int security_task_setnice(struct task_struct *p, int nice)
807 return security_ops->task_setnice(p, nice);
810 int security_task_setioprio(struct task_struct *p, int ioprio)
812 return security_ops->task_setioprio(p, ioprio);
815 int security_task_getioprio(struct task_struct *p)
817 return security_ops->task_getioprio(p);
820 int security_task_setrlimit(struct task_struct *p, unsigned int resource,
821 struct rlimit *new_rlim)
823 return security_ops->task_setrlimit(p, resource, new_rlim);
826 int security_task_setscheduler(struct task_struct *p)
828 return security_ops->task_setscheduler(p);
831 int security_task_getscheduler(struct task_struct *p)
833 return security_ops->task_getscheduler(p);
836 int security_task_movememory(struct task_struct *p)
838 return security_ops->task_movememory(p);
841 int security_task_kill(struct task_struct *p, struct siginfo *info,
844 return security_ops->task_kill(p, info, sig, secid);
847 int security_task_wait(struct task_struct *p)
849 return security_ops->task_wait(p);
852 int security_task_prctl(int option, unsigned long arg2, unsigned long arg3,
853 unsigned long arg4, unsigned long arg5)
856 rc = yama_task_prctl(option, arg2, arg3, arg4, arg5);
859 return security_ops->task_prctl(option, arg2, arg3, arg4, arg5);
862 void security_task_to_inode(struct task_struct *p, struct inode *inode)
864 security_ops->task_to_inode(p, inode);
867 int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag)
869 return security_ops->ipc_permission(ipcp, flag);
872 void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid)
874 security_ops->ipc_getsecid(ipcp, secid);
877 int security_msg_msg_alloc(struct msg_msg *msg)
879 return security_ops->msg_msg_alloc_security(msg);
882 void security_msg_msg_free(struct msg_msg *msg)
884 security_ops->msg_msg_free_security(msg);
887 int security_msg_queue_alloc(struct msg_queue *msq)
889 return security_ops->msg_queue_alloc_security(msq);
892 void security_msg_queue_free(struct msg_queue *msq)
894 security_ops->msg_queue_free_security(msq);
897 int security_msg_queue_associate(struct msg_queue *msq, int msqflg)
899 return security_ops->msg_queue_associate(msq, msqflg);
902 int security_msg_queue_msgctl(struct msg_queue *msq, int cmd)
904 return security_ops->msg_queue_msgctl(msq, cmd);
907 int security_msg_queue_msgsnd(struct msg_queue *msq,
908 struct msg_msg *msg, int msqflg)
910 return security_ops->msg_queue_msgsnd(msq, msg, msqflg);
913 int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg,
914 struct task_struct *target, long type, int mode)
916 return security_ops->msg_queue_msgrcv(msq, msg, target, type, mode);
919 int security_shm_alloc(struct shmid_kernel *shp)
921 return security_ops->shm_alloc_security(shp);
924 void security_shm_free(struct shmid_kernel *shp)
926 security_ops->shm_free_security(shp);
929 int security_shm_associate(struct shmid_kernel *shp, int shmflg)
931 return security_ops->shm_associate(shp, shmflg);
934 int security_shm_shmctl(struct shmid_kernel *shp, int cmd)
936 return security_ops->shm_shmctl(shp, cmd);
939 int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg)
941 return security_ops->shm_shmat(shp, shmaddr, shmflg);
944 int security_sem_alloc(struct sem_array *sma)
946 return security_ops->sem_alloc_security(sma);
949 void security_sem_free(struct sem_array *sma)
951 security_ops->sem_free_security(sma);
954 int security_sem_associate(struct sem_array *sma, int semflg)
956 return security_ops->sem_associate(sma, semflg);
959 int security_sem_semctl(struct sem_array *sma, int cmd)
961 return security_ops->sem_semctl(sma, cmd);
964 int security_sem_semop(struct sem_array *sma, struct sembuf *sops,
965 unsigned nsops, int alter)
967 return security_ops->sem_semop(sma, sops, nsops, alter);
970 void security_d_instantiate(struct dentry *dentry, struct inode *inode)
972 if (unlikely(inode && IS_PRIVATE(inode)))
974 security_ops->d_instantiate(dentry, inode);
976 EXPORT_SYMBOL(security_d_instantiate);
978 int security_getprocattr(struct task_struct *p, char *name, char **value)
980 return security_ops->getprocattr(p, name, value);
983 int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
985 return security_ops->setprocattr(p, name, value, size);
988 int security_netlink_send(struct sock *sk, struct sk_buff *skb)
990 return security_ops->netlink_send(sk, skb);
993 int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
995 return security_ops->secid_to_secctx(secid, secdata, seclen);
997 EXPORT_SYMBOL(security_secid_to_secctx);
999 int security_secctx_to_secid(const char *secdata, u32 seclen, u32 *secid)
1001 return security_ops->secctx_to_secid(secdata, seclen, secid);
1003 EXPORT_SYMBOL(security_secctx_to_secid);
1005 void security_release_secctx(char *secdata, u32 seclen)
1007 security_ops->release_secctx(secdata, seclen);
1009 EXPORT_SYMBOL(security_release_secctx);
1011 int security_inode_notifysecctx(struct inode *inode, void *ctx, u32 ctxlen)
1013 return security_ops->inode_notifysecctx(inode, ctx, ctxlen);
1015 EXPORT_SYMBOL(security_inode_notifysecctx);
1017 int security_inode_setsecctx(struct dentry *dentry, void *ctx, u32 ctxlen)
1019 return security_ops->inode_setsecctx(dentry, ctx, ctxlen);
1021 EXPORT_SYMBOL(security_inode_setsecctx);
1023 int security_inode_getsecctx(struct inode *inode, void **ctx, u32 *ctxlen)
1025 return security_ops->inode_getsecctx(inode, ctx, ctxlen);
1027 EXPORT_SYMBOL(security_inode_getsecctx);
1029 #ifdef CONFIG_SECURITY_NETWORK
1031 int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk)
1033 return security_ops->unix_stream_connect(sock, other, newsk);
1035 EXPORT_SYMBOL(security_unix_stream_connect);
1037 int security_unix_may_send(struct socket *sock, struct socket *other)
1039 return security_ops->unix_may_send(sock, other);
1041 EXPORT_SYMBOL(security_unix_may_send);
1043 int security_socket_create(int family, int type, int protocol, int kern)
1045 return security_ops->socket_create(family, type, protocol, kern);
1048 int security_socket_post_create(struct socket *sock, int family,
1049 int type, int protocol, int kern)
1051 return security_ops->socket_post_create(sock, family, type,
1055 int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen)
1057 return security_ops->socket_bind(sock, address, addrlen);
1060 int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen)
1062 return security_ops->socket_connect(sock, address, addrlen);
1065 int security_socket_listen(struct socket *sock, int backlog)
1067 return security_ops->socket_listen(sock, backlog);
1070 int security_socket_accept(struct socket *sock, struct socket *newsock)
1072 return security_ops->socket_accept(sock, newsock);
1075 int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size)
1077 return security_ops->socket_sendmsg(sock, msg, size);
1080 int security_socket_recvmsg(struct socket *sock, struct msghdr *msg,
1081 int size, int flags)
1083 return security_ops->socket_recvmsg(sock, msg, size, flags);
1086 int security_socket_getsockname(struct socket *sock)
1088 return security_ops->socket_getsockname(sock);
1091 int security_socket_getpeername(struct socket *sock)
1093 return security_ops->socket_getpeername(sock);
1096 int security_socket_getsockopt(struct socket *sock, int level, int optname)
1098 return security_ops->socket_getsockopt(sock, level, optname);
1101 int security_socket_setsockopt(struct socket *sock, int level, int optname)
1103 return security_ops->socket_setsockopt(sock, level, optname);
1106 int security_socket_shutdown(struct socket *sock, int how)
1108 return security_ops->socket_shutdown(sock, how);
1111 int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb)
1113 return security_ops->socket_sock_rcv_skb(sk, skb);
1115 EXPORT_SYMBOL(security_sock_rcv_skb);
1117 int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
1118 int __user *optlen, unsigned len)
1120 return security_ops->socket_getpeersec_stream(sock, optval, optlen, len);
1123 int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
1125 return security_ops->socket_getpeersec_dgram(sock, skb, secid);
1127 EXPORT_SYMBOL(security_socket_getpeersec_dgram);
1129 int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
1131 return security_ops->sk_alloc_security(sk, family, priority);
1134 void security_sk_free(struct sock *sk)
1136 security_ops->sk_free_security(sk);
1139 void security_sk_clone(const struct sock *sk, struct sock *newsk)
1141 security_ops->sk_clone_security(sk, newsk);
1143 EXPORT_SYMBOL(security_sk_clone);
1145 void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
1147 security_ops->sk_getsecid(sk, &fl->flowi_secid);
1149 EXPORT_SYMBOL(security_sk_classify_flow);
1151 void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
1153 security_ops->req_classify_flow(req, fl);
1155 EXPORT_SYMBOL(security_req_classify_flow);
1157 void security_sock_graft(struct sock *sk, struct socket *parent)
1159 security_ops->sock_graft(sk, parent);
1161 EXPORT_SYMBOL(security_sock_graft);
1163 int security_inet_conn_request(struct sock *sk,
1164 struct sk_buff *skb, struct request_sock *req)
1166 return security_ops->inet_conn_request(sk, skb, req);
1168 EXPORT_SYMBOL(security_inet_conn_request);
1170 void security_inet_csk_clone(struct sock *newsk,
1171 const struct request_sock *req)
1173 security_ops->inet_csk_clone(newsk, req);
1176 void security_inet_conn_established(struct sock *sk,
1177 struct sk_buff *skb)
1179 security_ops->inet_conn_established(sk, skb);
1182 int security_secmark_relabel_packet(u32 secid)
1184 return security_ops->secmark_relabel_packet(secid);
1186 EXPORT_SYMBOL(security_secmark_relabel_packet);
1188 void security_secmark_refcount_inc(void)
1190 security_ops->secmark_refcount_inc();
1192 EXPORT_SYMBOL(security_secmark_refcount_inc);
1194 void security_secmark_refcount_dec(void)
1196 security_ops->secmark_refcount_dec();
1198 EXPORT_SYMBOL(security_secmark_refcount_dec);
1200 int security_tun_dev_create(void)
1202 return security_ops->tun_dev_create();
1204 EXPORT_SYMBOL(security_tun_dev_create);
1206 void security_tun_dev_post_create(struct sock *sk)
1208 return security_ops->tun_dev_post_create(sk);
1210 EXPORT_SYMBOL(security_tun_dev_post_create);
1212 int security_tun_dev_attach(struct sock *sk)
1214 return security_ops->tun_dev_attach(sk);
1216 EXPORT_SYMBOL(security_tun_dev_attach);
1218 #endif /* CONFIG_SECURITY_NETWORK */
1220 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1222 int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *sec_ctx)
1224 return security_ops->xfrm_policy_alloc_security(ctxp, sec_ctx);
1226 EXPORT_SYMBOL(security_xfrm_policy_alloc);
1228 int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx,
1229 struct xfrm_sec_ctx **new_ctxp)
1231 return security_ops->xfrm_policy_clone_security(old_ctx, new_ctxp);
1234 void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx)
1236 security_ops->xfrm_policy_free_security(ctx);
1238 EXPORT_SYMBOL(security_xfrm_policy_free);
1240 int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx)
1242 return security_ops->xfrm_policy_delete_security(ctx);
1245 int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx)
1247 return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0);
1249 EXPORT_SYMBOL(security_xfrm_state_alloc);
1251 int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
1252 struct xfrm_sec_ctx *polsec, u32 secid)
1257 * We want the context to be taken from secid which is usually
1260 return security_ops->xfrm_state_alloc_security(x, NULL, secid);
1263 int security_xfrm_state_delete(struct xfrm_state *x)
1265 return security_ops->xfrm_state_delete_security(x);
1267 EXPORT_SYMBOL(security_xfrm_state_delete);
1269 void security_xfrm_state_free(struct xfrm_state *x)
1271 security_ops->xfrm_state_free_security(x);
1274 int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir)
1276 return security_ops->xfrm_policy_lookup(ctx, fl_secid, dir);
1279 int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
1280 struct xfrm_policy *xp,
1281 const struct flowi *fl)
1283 return security_ops->xfrm_state_pol_flow_match(x, xp, fl);
1286 int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
1288 return security_ops->xfrm_decode_session(skb, secid, 1);
1291 void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
1293 int rc = security_ops->xfrm_decode_session(skb, &fl->flowi_secid, 0);
1297 EXPORT_SYMBOL(security_skb_classify_flow);
1299 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1303 int security_key_alloc(struct key *key, const struct cred *cred,
1304 unsigned long flags)
1306 return security_ops->key_alloc(key, cred, flags);
1309 void security_key_free(struct key *key)
1311 security_ops->key_free(key);
1314 int security_key_permission(key_ref_t key_ref,
1315 const struct cred *cred, key_perm_t perm)
1317 return security_ops->key_permission(key_ref, cred, perm);
1320 int security_key_getsecurity(struct key *key, char **_buffer)
1322 return security_ops->key_getsecurity(key, _buffer);
1325 #endif /* CONFIG_KEYS */
1329 int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule)
1331 return security_ops->audit_rule_init(field, op, rulestr, lsmrule);
1334 int security_audit_rule_known(struct audit_krule *krule)
1336 return security_ops->audit_rule_known(krule);
1339 void security_audit_rule_free(void *lsmrule)
1341 security_ops->audit_rule_free(lsmrule);
1344 int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule,
1345 struct audit_context *actx)
1347 return security_ops->audit_rule_match(secid, field, op, lsmrule, actx);
1350 #endif /* CONFIG_AUDIT */