4 * Copyright (C) 2001 WireX Communications, Inc <chris@wirex.com>
5 * Copyright (C) 2001 Greg Kroah-Hartman <greg@kroah.com>
6 * Copyright (C) 2001 Networks Associates Technology, Inc <ssmalley@nai.com>
7 * Copyright (C) 2001 James Morris <jmorris@intercode.com.au>
8 * Copyright (C) 2001 Silicon Graphics, Inc. (Trust Technology Group)
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * Due to this file being licensed under the GPL there is controversy over
16 * whether this permits you to write a module that #includes this file
17 * without placing your module under the GPL. Please consult a lawyer for
18 * advice before doing this.
22 #ifndef __LINUX_SECURITY_H
23 #define __LINUX_SECURITY_H
26 #include <linux/binfmts.h>
27 #include <linux/signal.h>
28 #include <linux/resource.h>
29 #include <linux/sem.h>
30 #include <linux/shm.h>
31 #include <linux/msg.h>
32 #include <linux/sched.h>
33 #include <linux/key.h>
34 #include <linux/xfrm.h>
40 * These functions are in security/capability.c and are used
41 * as the default capabilities functions
43 extern int cap_capable (struct task_struct *tsk, int cap);
44 extern int cap_settime (struct timespec *ts, struct timezone *tz);
45 extern int cap_ptrace (struct task_struct *parent, struct task_struct *child);
46 extern int cap_capget (struct task_struct *target, kernel_cap_t *effective, kernel_cap_t *inheritable, kernel_cap_t *permitted);
47 extern int cap_capset_check (struct task_struct *target, kernel_cap_t *effective, kernel_cap_t *inheritable, kernel_cap_t *permitted);
48 extern void cap_capset_set (struct task_struct *target, kernel_cap_t *effective, kernel_cap_t *inheritable, kernel_cap_t *permitted);
49 extern int cap_bprm_set_security (struct linux_binprm *bprm);
50 extern void cap_bprm_apply_creds (struct linux_binprm *bprm, int unsafe);
51 extern int cap_bprm_secureexec(struct linux_binprm *bprm);
52 extern int cap_inode_setxattr(struct dentry *dentry, char *name, void *value, size_t size, int flags);
53 extern int cap_inode_removexattr(struct dentry *dentry, char *name);
54 extern int cap_task_post_setuid (uid_t old_ruid, uid_t old_euid, uid_t old_suid, int flags);
55 extern void cap_task_reparent_to_init (struct task_struct *p);
56 extern int cap_syslog (int type);
57 extern int cap_vm_enough_memory (long pages);
69 struct xfrm_user_sec_ctx;
71 extern int cap_netlink_send(struct sock *sk, struct sk_buff *skb);
72 extern int cap_netlink_recv(struct sk_buff *skb, int cap);
75 * Values used in the task_security_ops calls
77 /* setuid or setgid, id0 == uid or gid */
78 #define LSM_SETID_ID 1
80 /* setreuid or setregid, id0 == real, id1 == eff */
81 #define LSM_SETID_RE 2
83 /* setresuid or setresgid, id0 == real, id1 == eff, uid2 == saved */
84 #define LSM_SETID_RES 4
86 /* setfsuid or setfsgid, id0 == fsuid or fsgid */
87 #define LSM_SETID_FS 8
89 /* forward declares to avoid warnings */
92 struct swap_info_struct;
95 /* bprm_apply_creds unsafe reasons */
96 #define LSM_UNSAFE_SHARE 1
97 #define LSM_UNSAFE_PTRACE 2
98 #define LSM_UNSAFE_PTRACE_CAP 4
100 #ifdef CONFIG_SECURITY
103 * struct security_operations - main security structure
105 * Security hooks for program execution operations.
107 * @bprm_alloc_security:
108 * Allocate and attach a security structure to the @bprm->security field.
109 * The security field is initialized to NULL when the bprm structure is
111 * @bprm contains the linux_binprm structure to be modified.
112 * Return 0 if operation was successful.
113 * @bprm_free_security:
114 * @bprm contains the linux_binprm structure to be modified.
115 * Deallocate and clear the @bprm->security field.
117 * Compute and set the security attributes of a process being transformed
118 * by an execve operation based on the old attributes (current->security)
119 * and the information saved in @bprm->security by the set_security hook.
120 * Since this hook function (and its caller) are void, this hook can not
121 * return an error. However, it can leave the security attributes of the
122 * process unchanged if an access failure occurs at this point.
123 * bprm_apply_creds is called under task_lock. @unsafe indicates various
124 * reasons why it may be unsafe to change security state.
125 * @bprm contains the linux_binprm structure.
126 * @bprm_post_apply_creds:
127 * Runs after bprm_apply_creds with the task_lock dropped, so that
128 * functions which cannot be called safely under the task_lock can
129 * be used. This hook is a good place to perform state changes on
130 * the process such as closing open file descriptors to which access
131 * is no longer granted if the attributes were changed.
132 * Note that a security module might need to save state between
133 * bprm_apply_creds and bprm_post_apply_creds to store the decision
134 * on whether the process may proceed.
135 * @bprm contains the linux_binprm structure.
136 * @bprm_set_security:
137 * Save security information in the bprm->security field, typically based
138 * on information about the bprm->file, for later use by the apply_creds
139 * hook. This hook may also optionally check permissions (e.g. for
140 * transitions between security domains).
141 * This hook may be called multiple times during a single execve, e.g. for
142 * interpreters. The hook can tell whether it has already been called by
143 * checking to see if @bprm->security is non-NULL. If so, then the hook
144 * may decide either to retain the security information saved earlier or
146 * @bprm contains the linux_binprm structure.
147 * Return 0 if the hook is successful and permission is granted.
148 * @bprm_check_security:
149 * This hook mediates the point when a search for a binary handler will
150 * begin. It allows a check the @bprm->security value which is set in
151 * the preceding set_security call. The primary difference from
152 * set_security is that the argv list and envp list are reliably
153 * available in @bprm. This hook may be called multiple times
154 * during a single execve; and in each pass set_security is called
156 * @bprm contains the linux_binprm structure.
157 * Return 0 if the hook is successful and permission is granted.
159 * Return a boolean value (0 or 1) indicating whether a "secure exec"
160 * is required. The flag is passed in the auxiliary table
161 * on the initial stack to the ELF interpreter to indicate whether libc
162 * should enable secure mode.
163 * @bprm contains the linux_binprm structure.
165 * Security hooks for filesystem operations.
167 * @sb_alloc_security:
168 * Allocate and attach a security structure to the sb->s_security field.
169 * The s_security field is initialized to NULL when the structure is
171 * @sb contains the super_block structure to be modified.
172 * Return 0 if operation was successful.
174 * Deallocate and clear the sb->s_security field.
175 * @sb contains the super_block structure to be modified.
177 * Check permission before obtaining filesystem statistics for the @mnt
179 * @dentry is a handle on the superblock for the filesystem.
180 * Return 0 if permission is granted.
182 * Check permission before an object specified by @dev_name is mounted on
183 * the mount point named by @nd. For an ordinary mount, @dev_name
184 * identifies a device if the file system type requires a device. For a
185 * remount (@flags & MS_REMOUNT), @dev_name is irrelevant. For a
186 * loopback/bind mount (@flags & MS_BIND), @dev_name identifies the
187 * pathname of the object being mounted.
188 * @dev_name contains the name for object being mounted.
189 * @nd contains the nameidata structure for mount point object.
190 * @type contains the filesystem type.
191 * @flags contains the mount flags.
192 * @data contains the filesystem-specific data.
193 * Return 0 if permission is granted.
195 * Allow mount option data to be copied prior to parsing by the filesystem,
196 * so that the security module can extract security-specific mount
197 * options cleanly (a filesystem may modify the data e.g. with strsep()).
198 * This also allows the original mount data to be stripped of security-
199 * specific options to avoid having to make filesystems aware of them.
200 * @type the type of filesystem being mounted.
201 * @orig the original mount data copied from userspace.
202 * @copy copied data which will be passed to the security module.
203 * Returns 0 if the copy was successful.
205 * Check permission before the device with superblock @mnt->sb is mounted
206 * on the mount point named by @nd.
207 * @mnt contains the vfsmount for device being mounted.
208 * @nd contains the nameidata object for the mount point.
209 * Return 0 if permission is granted.
211 * Check permission before the @mnt file system is unmounted.
212 * @mnt contains the mounted file system.
213 * @flags contains the unmount flags, e.g. MNT_FORCE.
214 * Return 0 if permission is granted.
216 * Close any files in the @mnt mounted filesystem that are held open by
217 * the security module. This hook is called during an umount operation
218 * prior to checking whether the filesystem is still busy.
219 * @mnt contains the mounted filesystem.
221 * Handle a failed umount of the @mnt mounted filesystem, e.g. re-opening
222 * any files that were closed by umount_close. This hook is called during
223 * an umount operation if the umount fails after a call to the
225 * @mnt contains the mounted filesystem.
227 * Update the security module's state when a filesystem is remounted.
228 * This hook is only called if the remount was successful.
229 * @mnt contains the mounted file system.
230 * @flags contains the new filesystem flags.
231 * @data contains the filesystem-specific data.
232 * @sb_post_mountroot:
233 * Update the security module's state when the root filesystem is mounted.
234 * This hook is only called if the mount was successful.
236 * Update the security module's state when a filesystem is mounted.
237 * This hook is called any time a mount is successfully grafetd to
239 * @mnt contains the mounted filesystem.
240 * @mountpoint_nd contains the nameidata structure for the mount point.
242 * Check permission before pivoting the root filesystem.
243 * @old_nd contains the nameidata structure for the new location of the current root (put_old).
244 * @new_nd contains the nameidata structure for the new root (new_root).
245 * Return 0 if permission is granted.
246 * @sb_post_pivotroot:
247 * Update module state after a successful pivot.
248 * @old_nd contains the nameidata structure for the old root.
249 * @new_nd contains the nameidata structure for the new root.
251 * Security hooks for inode operations.
253 * @inode_alloc_security:
254 * Allocate and attach a security structure to @inode->i_security. The
255 * i_security field is initialized to NULL when the inode structure is
257 * @inode contains the inode structure.
258 * Return 0 if operation was successful.
259 * @inode_free_security:
260 * @inode contains the inode structure.
261 * Deallocate the inode security structure and set @inode->i_security to
263 * @inode_init_security:
264 * Obtain the security attribute name suffix and value to set on a newly
265 * created inode and set up the incore security field for the new inode.
266 * This hook is called by the fs code as part of the inode creation
267 * transaction and provides for atomic labeling of the inode, unlike
268 * the post_create/mkdir/... hooks called by the VFS. The hook function
269 * is expected to allocate the name and value via kmalloc, with the caller
270 * being responsible for calling kfree after using them.
271 * If the security module does not use security attributes or does
272 * not wish to put a security attribute on this particular inode,
273 * then it should return -EOPNOTSUPP to skip this processing.
274 * @inode contains the inode structure of the newly created inode.
275 * @dir contains the inode structure of the parent directory.
276 * @name will be set to the allocated name suffix (e.g. selinux).
277 * @value will be set to the allocated attribute value.
278 * @len will be set to the length of the value.
279 * Returns 0 if @name and @value have been successfully set,
280 * -EOPNOTSUPP if no security attribute is needed, or
281 * -ENOMEM on memory allocation failure.
283 * Check permission to create a regular file.
284 * @dir contains inode structure of the parent of the new file.
285 * @dentry contains the dentry structure for the file to be created.
286 * @mode contains the file mode of the file to be created.
287 * Return 0 if permission is granted.
289 * Check permission before creating a new hard link to a file.
290 * @old_dentry contains the dentry structure for an existing link to the file.
291 * @dir contains the inode structure of the parent directory of the new link.
292 * @new_dentry contains the dentry structure for the new link.
293 * Return 0 if permission is granted.
295 * Check the permission to remove a hard link to a file.
296 * @dir contains the inode structure of parent directory of the file.
297 * @dentry contains the dentry structure for file to be unlinked.
298 * Return 0 if permission is granted.
300 * Check the permission to create a symbolic link to a file.
301 * @dir contains the inode structure of parent directory of the symbolic link.
302 * @dentry contains the dentry structure of the symbolic link.
303 * @old_name contains the pathname of file.
304 * Return 0 if permission is granted.
306 * Check permissions to create a new directory in the existing directory
307 * associated with inode strcture @dir.
308 * @dir containst the inode structure of parent of the directory to be created.
309 * @dentry contains the dentry structure of new directory.
310 * @mode contains the mode of new directory.
311 * Return 0 if permission is granted.
313 * Check the permission to remove a directory.
314 * @dir contains the inode structure of parent of the directory to be removed.
315 * @dentry contains the dentry structure of directory to be removed.
316 * Return 0 if permission is granted.
318 * Check permissions when creating a special file (or a socket or a fifo
319 * file created via the mknod system call). Note that if mknod operation
320 * is being done for a regular file, then the create hook will be called
322 * @dir contains the inode structure of parent of the new file.
323 * @dentry contains the dentry structure of the new file.
324 * @mode contains the mode of the new file.
325 * @dev contains the the device number.
326 * Return 0 if permission is granted.
328 * Check for permission to rename a file or directory.
329 * @old_dir contains the inode structure for parent of the old link.
330 * @old_dentry contains the dentry structure of the old link.
331 * @new_dir contains the inode structure for parent of the new link.
332 * @new_dentry contains the dentry structure of the new link.
333 * Return 0 if permission is granted.
335 * Check the permission to read the symbolic link.
336 * @dentry contains the dentry structure for the file link.
337 * Return 0 if permission is granted.
338 * @inode_follow_link:
339 * Check permission to follow a symbolic link when looking up a pathname.
340 * @dentry contains the dentry structure for the link.
341 * @nd contains the nameidata structure for the parent directory.
342 * Return 0 if permission is granted.
344 * Check permission before accessing an inode. This hook is called by the
345 * existing Linux permission function, so a security module can use it to
346 * provide additional checking for existing Linux permission checks.
347 * Notice that this hook is called when a file is opened (as well as many
348 * other operations), whereas the file_security_ops permission hook is
349 * called when the actual read/write operations are performed.
350 * @inode contains the inode structure to check.
351 * @mask contains the permission mask.
352 * @nd contains the nameidata (may be NULL).
353 * Return 0 if permission is granted.
355 * Check permission before setting file attributes. Note that the kernel
356 * call to notify_change is performed from several locations, whenever
357 * file attributes change (such as when a file is truncated, chown/chmod
358 * operations, transferring disk quotas, etc).
359 * @dentry contains the dentry structure for the file.
360 * @attr is the iattr structure containing the new file attributes.
361 * Return 0 if permission is granted.
363 * Check permission before obtaining file attributes.
364 * @mnt is the vfsmount where the dentry was looked up
365 * @dentry contains the dentry structure for the file.
366 * Return 0 if permission is granted.
368 * @inode contains the inode structure for deleted inode.
369 * This hook is called when a deleted inode is released (i.e. an inode
370 * with no hard links has its use count drop to zero). A security module
371 * can use this hook to release any persistent label associated with the
374 * Check permission before setting the extended attributes
375 * @value identified by @name for @dentry.
376 * Return 0 if permission is granted.
377 * @inode_post_setxattr:
378 * Update inode security field after successful setxattr operation.
379 * @value identified by @name for @dentry.
381 * Check permission before obtaining the extended attributes
382 * identified by @name for @dentry.
383 * Return 0 if permission is granted.
385 * Check permission before obtaining the list of extended attribute
387 * Return 0 if permission is granted.
388 * @inode_removexattr:
389 * Check permission before removing the extended attribute
390 * identified by @name for @dentry.
391 * Return 0 if permission is granted.
392 * @inode_getsecurity:
393 * Copy the extended attribute representation of the security label
394 * associated with @name for @inode into @buffer. @buffer may be
395 * NULL to request the size of the buffer required. @size indicates
396 * the size of @buffer in bytes. Note that @name is the remainder
397 * of the attribute name after the security. prefix has been removed.
398 * @err is the return value from the preceding fs getxattr call,
399 * and can be used by the security module to determine whether it
400 * should try and canonicalize the attribute value.
401 * Return number of bytes used/required on success.
402 * @inode_setsecurity:
403 * Set the security label associated with @name for @inode from the
404 * extended attribute value @value. @size indicates the size of the
405 * @value in bytes. @flags may be XATTR_CREATE, XATTR_REPLACE, or 0.
406 * Note that @name is the remainder of the attribute name after the
407 * security. prefix has been removed.
408 * Return 0 on success.
409 * @inode_listsecurity:
410 * Copy the extended attribute names for the security labels
411 * associated with @inode into @buffer. The maximum size of @buffer
412 * is specified by @buffer_size. @buffer may be NULL to request
413 * the size of the buffer required.
414 * Returns number of bytes used/required on success.
416 * Security hooks for file operations
419 * Check file permissions before accessing an open file. This hook is
420 * called by various operations that read or write files. A security
421 * module can use this hook to perform additional checking on these
422 * operations, e.g. to revalidate permissions on use to support privilege
423 * bracketing or policy changes. Notice that this hook is used when the
424 * actual read/write operations are performed, whereas the
425 * inode_security_ops hook is called when a file is opened (as well as
426 * many other operations).
427 * Caveat: Although this hook can be used to revalidate permissions for
428 * various system call operations that read or write files, it does not
429 * address the revalidation of permissions for memory-mapped files.
430 * Security modules must handle this separately if they need such
432 * @file contains the file structure being accessed.
433 * @mask contains the requested permissions.
434 * Return 0 if permission is granted.
435 * @file_alloc_security:
436 * Allocate and attach a security structure to the file->f_security field.
437 * The security field is initialized to NULL when the structure is first
439 * @file contains the file structure to secure.
440 * Return 0 if the hook is successful and permission is granted.
441 * @file_free_security:
442 * Deallocate and free any security structures stored in file->f_security.
443 * @file contains the file structure being modified.
445 * @file contains the file structure.
446 * @cmd contains the operation to perform.
447 * @arg contains the operational arguments.
448 * Check permission for an ioctl operation on @file. Note that @arg can
449 * sometimes represents a user space pointer; in other cases, it may be a
450 * simple integer value. When @arg represents a user space pointer, it
451 * should never be used by the security module.
452 * Return 0 if permission is granted.
454 * Check permissions for a mmap operation. The @file may be NULL, e.g.
455 * if mapping anonymous memory.
456 * @file contains the file structure for file to map (may be NULL).
457 * @reqprot contains the protection requested by the application.
458 * @prot contains the protection that will be applied by the kernel.
459 * @flags contains the operational flags.
460 * Return 0 if permission is granted.
462 * Check permissions before changing memory access permissions.
463 * @vma contains the memory region to modify.
464 * @reqprot contains the protection requested by the application.
465 * @prot contains the protection that will be applied by the kernel.
466 * Return 0 if permission is granted.
468 * Check permission before performing file locking operations.
469 * Note: this hook mediates both flock and fcntl style locks.
470 * @file contains the file structure.
471 * @cmd contains the posix-translated lock operation to perform
472 * (e.g. F_RDLCK, F_WRLCK).
473 * Return 0 if permission is granted.
475 * Check permission before allowing the file operation specified by @cmd
476 * from being performed on the file @file. Note that @arg can sometimes
477 * represents a user space pointer; in other cases, it may be a simple
478 * integer value. When @arg represents a user space pointer, it should
479 * never be used by the security module.
480 * @file contains the file structure.
481 * @cmd contains the operation to be performed.
482 * @arg contains the operational arguments.
483 * Return 0 if permission is granted.
485 * Save owner security information (typically from current->security) in
486 * file->f_security for later use by the send_sigiotask hook.
487 * @file contains the file structure to update.
488 * Return 0 on success.
489 * @file_send_sigiotask:
490 * Check permission for the file owner @fown to send SIGIO or SIGURG to the
491 * process @tsk. Note that this hook is sometimes called from interrupt.
492 * Note that the fown_struct, @fown, is never outside the context of a
493 * struct file, so the file structure (and associated security information)
494 * can always be obtained:
495 * (struct file *)((long)fown - offsetof(struct file,f_owner));
496 * @tsk contains the structure of task receiving signal.
497 * @fown contains the file owner information.
498 * @sig is the signal that will be sent. When 0, kernel sends SIGIO.
499 * Return 0 if permission is granted.
501 * This hook allows security modules to control the ability of a process
502 * to receive an open file descriptor via socket IPC.
503 * @file contains the file structure being received.
504 * Return 0 if permission is granted.
506 * Security hooks for task operations.
509 * Check permission before creating a child process. See the clone(2)
510 * manual page for definitions of the @clone_flags.
511 * @clone_flags contains the flags indicating what should be shared.
512 * Return 0 if permission is granted.
513 * @task_alloc_security:
514 * @p contains the task_struct for child process.
515 * Allocate and attach a security structure to the p->security field. The
516 * security field is initialized to NULL when the task structure is
518 * Return 0 if operation was successful.
519 * @task_free_security:
520 * @p contains the task_struct for process.
521 * Deallocate and clear the p->security field.
523 * Check permission before setting one or more of the user identity
524 * attributes of the current process. The @flags parameter indicates
525 * which of the set*uid system calls invoked this hook and how to
526 * interpret the @id0, @id1, and @id2 parameters. See the LSM_SETID
527 * definitions at the beginning of this file for the @flags values and
529 * @id0 contains a uid.
530 * @id1 contains a uid.
531 * @id2 contains a uid.
532 * @flags contains one of the LSM_SETID_* values.
533 * Return 0 if permission is granted.
535 * Update the module's state after setting one or more of the user
536 * identity attributes of the current process. The @flags parameter
537 * indicates which of the set*uid system calls invoked this hook. If
538 * @flags is LSM_SETID_FS, then @old_ruid is the old fs uid and the other
539 * parameters are not used.
540 * @old_ruid contains the old real uid (or fs uid if LSM_SETID_FS).
541 * @old_euid contains the old effective uid (or -1 if LSM_SETID_FS).
542 * @old_suid contains the old saved uid (or -1 if LSM_SETID_FS).
543 * @flags contains one of the LSM_SETID_* values.
544 * Return 0 on success.
546 * Check permission before setting one or more of the group identity
547 * attributes of the current process. The @flags parameter indicates
548 * which of the set*gid system calls invoked this hook and how to
549 * interpret the @id0, @id1, and @id2 parameters. See the LSM_SETID
550 * definitions at the beginning of this file for the @flags values and
552 * @id0 contains a gid.
553 * @id1 contains a gid.
554 * @id2 contains a gid.
555 * @flags contains one of the LSM_SETID_* values.
556 * Return 0 if permission is granted.
558 * Check permission before setting the process group identifier of the
559 * process @p to @pgid.
560 * @p contains the task_struct for process being modified.
561 * @pgid contains the new pgid.
562 * Return 0 if permission is granted.
564 * Check permission before getting the process group identifier of the
566 * @p contains the task_struct for the process.
567 * Return 0 if permission is granted.
569 * Check permission before getting the session identifier of the process
571 * @p contains the task_struct for the process.
572 * Return 0 if permission is granted.
574 * Retrieve the security identifier of the process @p.
575 * @p contains the task_struct for the process and place is into @secid.
577 * Check permission before setting the supplementary group set of the
579 * @group_info contains the new group information.
580 * Return 0 if permission is granted.
582 * Check permission before setting the nice value of @p to @nice.
583 * @p contains the task_struct of process.
584 * @nice contains the new nice value.
585 * Return 0 if permission is granted.
587 * Check permission before setting the ioprio value of @p to @ioprio.
588 * @p contains the task_struct of process.
589 * @ioprio contains the new ioprio value
590 * Return 0 if permission is granted.
592 * Check permission before getting the ioprio value of @p.
593 * @p contains the task_struct of process.
594 * Return 0 if permission is granted.
596 * Check permission before setting the resource limits of the current
597 * process for @resource to @new_rlim. The old resource limit values can
598 * be examined by dereferencing (current->signal->rlim + resource).
599 * @resource contains the resource whose limit is being set.
600 * @new_rlim contains the new limits for @resource.
601 * Return 0 if permission is granted.
602 * @task_setscheduler:
603 * Check permission before setting scheduling policy and/or parameters of
604 * process @p based on @policy and @lp.
605 * @p contains the task_struct for process.
606 * @policy contains the scheduling policy.
607 * @lp contains the scheduling parameters.
608 * Return 0 if permission is granted.
609 * @task_getscheduler:
610 * Check permission before obtaining scheduling information for process
612 * @p contains the task_struct for process.
613 * Return 0 if permission is granted.
615 * Check permission before moving memory owned by process @p.
616 * @p contains the task_struct for process.
617 * Return 0 if permission is granted.
619 * Check permission before sending signal @sig to @p. @info can be NULL,
620 * the constant 1, or a pointer to a siginfo structure. If @info is 1 or
621 * SI_FROMKERNEL(info) is true, then the signal should be viewed as coming
622 * from the kernel and should typically be permitted.
623 * SIGIO signals are handled separately by the send_sigiotask hook in
625 * @p contains the task_struct for process.
626 * @info contains the signal information.
627 * @sig contains the signal value.
628 * @secid contains the sid of the process where the signal originated
629 * Return 0 if permission is granted.
631 * Check permission before allowing a process to reap a child process @p
632 * and collect its status information.
633 * @p contains the task_struct for process.
634 * Return 0 if permission is granted.
636 * Check permission before performing a process control operation on the
638 * @option contains the operation.
639 * @arg2 contains a argument.
640 * @arg3 contains a argument.
641 * @arg4 contains a argument.
642 * @arg5 contains a argument.
643 * Return 0 if permission is granted.
644 * @task_reparent_to_init:
645 * Set the security attributes in @p->security for a kernel thread that
646 * is being reparented to the init task.
647 * @p contains the task_struct for the kernel thread.
649 * Set the security attributes for an inode based on an associated task's
650 * security attributes, e.g. for /proc/pid inodes.
651 * @p contains the task_struct for the task.
652 * @inode contains the inode structure for the inode.
654 * Security hooks for Netlink messaging.
657 * Save security information for a netlink message so that permission
658 * checking can be performed when the message is processed. The security
659 * information can be saved using the eff_cap field of the
660 * netlink_skb_parms structure. Also may be used to provide fine
661 * grained control over message transmission.
662 * @sk associated sock of task sending the message.,
663 * @skb contains the sk_buff structure for the netlink message.
664 * Return 0 if the information was successfully saved and message
665 * is allowed to be transmitted.
667 * Check permission before processing the received netlink message in
669 * @skb contains the sk_buff structure for the netlink message.
670 * @cap indicates the capability required
671 * Return 0 if permission is granted.
673 * Security hooks for Unix domain networking.
675 * @unix_stream_connect:
676 * Check permissions before establishing a Unix domain stream connection
677 * between @sock and @other.
678 * @sock contains the socket structure.
679 * @other contains the peer socket structure.
680 * Return 0 if permission is granted.
682 * Check permissions before connecting or sending datagrams from @sock to
684 * @sock contains the socket structure.
685 * @sock contains the peer socket structure.
686 * Return 0 if permission is granted.
688 * The @unix_stream_connect and @unix_may_send hooks were necessary because
689 * Linux provides an alternative to the conventional file name space for Unix
690 * domain sockets. Whereas binding and connecting to sockets in the file name
691 * space is mediated by the typical file permissions (and caught by the mknod
692 * and permission hooks in inode_security_ops), binding and connecting to
693 * sockets in the abstract name space is completely unmediated. Sufficient
694 * control of Unix domain sockets in the abstract name space isn't possible
695 * using only the socket layer hooks, since we need to know the actual target
696 * socket, which is not looked up until we are inside the af_unix code.
698 * Security hooks for socket operations.
701 * Check permissions prior to creating a new socket.
702 * @family contains the requested protocol family.
703 * @type contains the requested communications type.
704 * @protocol contains the requested protocol.
705 * @kern set to 1 if a kernel socket.
706 * Return 0 if permission is granted.
707 * @socket_post_create:
708 * This hook allows a module to update or allocate a per-socket security
709 * structure. Note that the security field was not added directly to the
710 * socket structure, but rather, the socket security information is stored
711 * in the associated inode. Typically, the inode alloc_security hook will
712 * allocate and and attach security information to
713 * sock->inode->i_security. This hook may be used to update the
714 * sock->inode->i_security field with additional information that wasn't
715 * available when the inode was allocated.
716 * @sock contains the newly created socket structure.
717 * @family contains the requested protocol family.
718 * @type contains the requested communications type.
719 * @protocol contains the requested protocol.
720 * @kern set to 1 if a kernel socket.
722 * Check permission before socket protocol layer bind operation is
723 * performed and the socket @sock is bound to the address specified in the
724 * @address parameter.
725 * @sock contains the socket structure.
726 * @address contains the address to bind to.
727 * @addrlen contains the length of address.
728 * Return 0 if permission is granted.
730 * Check permission before socket protocol layer connect operation
731 * attempts to connect socket @sock to a remote address, @address.
732 * @sock contains the socket structure.
733 * @address contains the address of remote endpoint.
734 * @addrlen contains the length of address.
735 * Return 0 if permission is granted.
737 * Check permission before socket protocol layer listen operation.
738 * @sock contains the socket structure.
739 * @backlog contains the maximum length for the pending connection queue.
740 * Return 0 if permission is granted.
742 * Check permission before accepting a new connection. Note that the new
743 * socket, @newsock, has been created and some information copied to it,
744 * but the accept operation has not actually been performed.
745 * @sock contains the listening socket structure.
746 * @newsock contains the newly created server socket for connection.
747 * Return 0 if permission is granted.
748 * @socket_post_accept:
749 * This hook allows a security module to copy security
750 * information into the newly created socket's inode.
751 * @sock contains the listening socket structure.
752 * @newsock contains the newly created server socket for connection.
754 * Check permission before transmitting a message to another socket.
755 * @sock contains the socket structure.
756 * @msg contains the message to be transmitted.
757 * @size contains the size of message.
758 * Return 0 if permission is granted.
760 * Check permission before receiving a message from a socket.
761 * @sock contains the socket structure.
762 * @msg contains the message structure.
763 * @size contains the size of message structure.
764 * @flags contains the operational flags.
765 * Return 0 if permission is granted.
766 * @socket_getsockname:
767 * Check permission before the local address (name) of the socket object
768 * @sock is retrieved.
769 * @sock contains the socket structure.
770 * Return 0 if permission is granted.
771 * @socket_getpeername:
772 * Check permission before the remote address (name) of a socket object
773 * @sock is retrieved.
774 * @sock contains the socket structure.
775 * Return 0 if permission is granted.
776 * @socket_getsockopt:
777 * Check permissions before retrieving the options associated with socket
779 * @sock contains the socket structure.
780 * @level contains the protocol level to retrieve option from.
781 * @optname contains the name of option to retrieve.
782 * Return 0 if permission is granted.
783 * @socket_setsockopt:
784 * Check permissions before setting the options associated with socket
786 * @sock contains the socket structure.
787 * @level contains the protocol level to set options for.
788 * @optname contains the name of the option to set.
789 * Return 0 if permission is granted.
791 * Checks permission before all or part of a connection on the socket
792 * @sock is shut down.
793 * @sock contains the socket structure.
794 * @how contains the flag indicating how future sends and receives are handled.
795 * Return 0 if permission is granted.
796 * @socket_sock_rcv_skb:
797 * Check permissions on incoming network packets. This hook is distinct
798 * from Netfilter's IP input hooks since it is the first time that the
799 * incoming sk_buff @skb has been associated with a particular socket, @sk.
800 * @sk contains the sock (not socket) associated with the incoming sk_buff.
801 * @skb contains the incoming network data.
802 * @socket_getpeersec:
803 * This hook allows the security module to provide peer socket security
804 * state to userspace via getsockopt SO_GETPEERSEC.
805 * @sock is the local socket.
806 * @optval userspace memory where the security state is to be copied.
807 * @optlen userspace int where the module should copy the actual length
808 * of the security state.
809 * @len as input is the maximum length to copy to userspace provided
811 * Return 0 if all is well, otherwise, typical getsockopt return
813 * @sk_alloc_security:
814 * Allocate and attach a security structure to the sk->sk_security field,
815 * which is used to copy security attributes between local stream sockets.
817 * Deallocate security structure.
818 * @sk_clone_security:
819 * Clone/copy security structure.
821 * Retrieve the LSM-specific secid for the sock to enable caching of network
824 * Sets the socket's isec sid to the sock's sid.
825 * @inet_conn_request:
826 * Sets the openreq's sid to socket's sid with MLS portion taken from peer sid.
828 * Sets the new child socket's sid to the openreq sid.
829 * @req_classify_flow:
830 * Sets the flow's sid to the openreq sid.
832 * Security hooks for XFRM operations.
834 * @xfrm_policy_alloc_security:
835 * @xp contains the xfrm_policy being added to Security Policy Database
836 * used by the XFRM system.
837 * @sec_ctx contains the security context information being provided by
838 * the user-level policy update program (e.g., setkey).
839 * Allocate a security structure to the xp->security field; the security
840 * field is initialized to NULL when the xfrm_policy is allocated.
841 * Return 0 if operation was successful (memory to allocate, legal context)
842 * @xfrm_policy_clone_security:
843 * @old contains an existing xfrm_policy in the SPD.
844 * @new contains a new xfrm_policy being cloned from old.
845 * Allocate a security structure to the new->security field
846 * that contains the information from the old->security field.
847 * Return 0 if operation was successful (memory to allocate).
848 * @xfrm_policy_free_security:
849 * @xp contains the xfrm_policy
850 * Deallocate xp->security.
851 * @xfrm_policy_delete_security:
852 * @xp contains the xfrm_policy.
853 * Authorize deletion of xp->security.
854 * @xfrm_state_alloc_security:
855 * @x contains the xfrm_state being added to the Security Association
856 * Database by the XFRM system.
857 * @sec_ctx contains the security context information being provided by
858 * the user-level SA generation program (e.g., setkey or racoon).
859 * @secid contains the secid from which to take the mls portion of the context.
860 * Allocate a security structure to the x->security field; the security
861 * field is initialized to NULL when the xfrm_state is allocated. Set the
862 * context to correspond to either sec_ctx or polsec, with the mls portion
863 * taken from secid in the latter case.
864 * Return 0 if operation was successful (memory to allocate, legal context).
865 * @xfrm_state_free_security:
866 * @x contains the xfrm_state.
867 * Deallocate x->security.
868 * @xfrm_state_delete_security:
869 * @x contains the xfrm_state.
870 * Authorize deletion of x->security.
871 * @xfrm_policy_lookup:
872 * @xp contains the xfrm_policy for which the access control is being
874 * @fl_secid contains the flow security label that is used to authorize
875 * access to the policy xp.
876 * @dir contains the direction of the flow (input or output).
877 * Check permission when a flow selects a xfrm_policy for processing
878 * XFRMs on a packet. The hook is called when selecting either a
879 * per-socket policy or a generic xfrm policy.
880 * Return 0 if permission is granted, -ESRCH otherwise, or -errno
882 * @xfrm_state_pol_flow_match:
883 * @x contains the state to match.
884 * @xp contains the policy to check for a match.
885 * @fl contains the flow to check for a match.
886 * Return 1 if there is a match.
887 * @xfrm_flow_state_match:
888 * @fl contains the flow key to match.
889 * @xfrm points to the xfrm_state to match.
890 * @xp points to the xfrm_policy to match.
891 * Return 1 if there is a match.
892 * @xfrm_decode_session:
893 * @skb points to skb to decode.
894 * @secid points to the flow key secid to set.
895 * @ckall says if all xfrms used should be checked for same secid.
896 * Return 0 if ckall is zero or all xfrms used have the same secid.
898 * Security hooks affecting all Key Management operations
901 * Permit allocation of a key and assign security data. Note that key does
902 * not have a serial number assigned at this point.
903 * @key points to the key.
904 * @flags is the allocation flags
905 * Return 0 if permission is granted, -ve error otherwise.
907 * Notification of destruction; free security data.
908 * @key points to the key.
911 * See whether a specific operational right is granted to a process on a
913 * @key_ref refers to the key (key pointer + possession attribute bit).
914 * @context points to the process to provide the context against which to
915 * evaluate the security data on the key.
916 * @perm describes the combination of permissions required of this key.
917 * Return 1 if permission granted, 0 if permission denied and -ve it the
918 * normal permissions model should be effected.
920 * Security hooks affecting all System V IPC operations.
923 * Check permissions for access to IPC
924 * @ipcp contains the kernel IPC permission structure
925 * @flag contains the desired (requested) permission set
926 * Return 0 if permission is granted.
928 * Security hooks for individual messages held in System V IPC message queues
929 * @msg_msg_alloc_security:
930 * Allocate and attach a security structure to the msg->security field.
931 * The security field is initialized to NULL when the structure is first
933 * @msg contains the message structure to be modified.
934 * Return 0 if operation was successful and permission is granted.
935 * @msg_msg_free_security:
936 * Deallocate the security structure for this message.
937 * @msg contains the message structure to be modified.
939 * Security hooks for System V IPC Message Queues
941 * @msg_queue_alloc_security:
942 * Allocate and attach a security structure to the
943 * msq->q_perm.security field. The security field is initialized to
944 * NULL when the structure is first created.
945 * @msq contains the message queue structure to be modified.
946 * Return 0 if operation was successful and permission is granted.
947 * @msg_queue_free_security:
948 * Deallocate security structure for this message queue.
949 * @msq contains the message queue structure to be modified.
950 * @msg_queue_associate:
951 * Check permission when a message queue is requested through the
952 * msgget system call. This hook is only called when returning the
953 * message queue identifier for an existing message queue, not when a
954 * new message queue is created.
955 * @msq contains the message queue to act upon.
956 * @msqflg contains the operation control flags.
957 * Return 0 if permission is granted.
959 * Check permission when a message control operation specified by @cmd
960 * is to be performed on the message queue @msq.
961 * The @msq may be NULL, e.g. for IPC_INFO or MSG_INFO.
962 * @msq contains the message queue to act upon. May be NULL.
963 * @cmd contains the operation to be performed.
964 * Return 0 if permission is granted.
966 * Check permission before a message, @msg, is enqueued on the message
968 * @msq contains the message queue to send message to.
969 * @msg contains the message to be enqueued.
970 * @msqflg contains operational flags.
971 * Return 0 if permission is granted.
973 * Check permission before a message, @msg, is removed from the message
974 * queue, @msq. The @target task structure contains a pointer to the
975 * process that will be receiving the message (not equal to the current
976 * process when inline receives are being performed).
977 * @msq contains the message queue to retrieve message from.
978 * @msg contains the message destination.
979 * @target contains the task structure for recipient process.
980 * @type contains the type of message requested.
981 * @mode contains the operational flags.
982 * Return 0 if permission is granted.
984 * Security hooks for System V Shared Memory Segments
986 * @shm_alloc_security:
987 * Allocate and attach a security structure to the shp->shm_perm.security
988 * field. The security field is initialized to NULL when the structure is
990 * @shp contains the shared memory structure to be modified.
991 * Return 0 if operation was successful and permission is granted.
992 * @shm_free_security:
993 * Deallocate the security struct for this memory segment.
994 * @shp contains the shared memory structure to be modified.
996 * Check permission when a shared memory region is requested through the
997 * shmget system call. This hook is only called when returning the shared
998 * memory region identifier for an existing region, not when a new shared
999 * memory region is created.
1000 * @shp contains the shared memory structure to be modified.
1001 * @shmflg contains the operation control flags.
1002 * Return 0 if permission is granted.
1004 * Check permission when a shared memory control operation specified by
1005 * @cmd is to be performed on the shared memory region @shp.
1006 * The @shp may be NULL, e.g. for IPC_INFO or SHM_INFO.
1007 * @shp contains shared memory structure to be modified.
1008 * @cmd contains the operation to be performed.
1009 * Return 0 if permission is granted.
1011 * Check permissions prior to allowing the shmat system call to attach the
1012 * shared memory segment @shp to the data segment of the calling process.
1013 * The attaching address is specified by @shmaddr.
1014 * @shp contains the shared memory structure to be modified.
1015 * @shmaddr contains the address to attach memory region to.
1016 * @shmflg contains the operational flags.
1017 * Return 0 if permission is granted.
1019 * Security hooks for System V Semaphores
1021 * @sem_alloc_security:
1022 * Allocate and attach a security structure to the sma->sem_perm.security
1023 * field. The security field is initialized to NULL when the structure is
1025 * @sma contains the semaphore structure
1026 * Return 0 if operation was successful and permission is granted.
1027 * @sem_free_security:
1028 * deallocate security struct for this semaphore
1029 * @sma contains the semaphore structure.
1031 * Check permission when a semaphore is requested through the semget
1032 * system call. This hook is only called when returning the semaphore
1033 * identifier for an existing semaphore, not when a new one must be
1035 * @sma contains the semaphore structure.
1036 * @semflg contains the operation control flags.
1037 * Return 0 if permission is granted.
1039 * Check permission when a semaphore operation specified by @cmd is to be
1040 * performed on the semaphore @sma. The @sma may be NULL, e.g. for
1041 * IPC_INFO or SEM_INFO.
1042 * @sma contains the semaphore structure. May be NULL.
1043 * @cmd contains the operation to be performed.
1044 * Return 0 if permission is granted.
1046 * Check permissions before performing operations on members of the
1047 * semaphore set @sma. If the @alter flag is nonzero, the semaphore set
1049 * @sma contains the semaphore structure.
1050 * @sops contains the operations to perform.
1051 * @nsops contains the number of operations to perform.
1052 * @alter contains the flag indicating whether changes are to be made.
1053 * Return 0 if permission is granted.
1056 * Check permission before allowing the @parent process to trace the
1058 * Security modules may also want to perform a process tracing check
1059 * during an execve in the set_security or apply_creds hooks of
1060 * binprm_security_ops if the process is being traced and its security
1061 * attributes would be changed by the execve.
1062 * @parent contains the task_struct structure for parent process.
1063 * @child contains the task_struct structure for child process.
1064 * Return 0 if permission is granted.
1066 * Get the @effective, @inheritable, and @permitted capability sets for
1067 * the @target process. The hook may also perform permission checking to
1068 * determine if the current process is allowed to see the capability sets
1069 * of the @target process.
1070 * @target contains the task_struct structure for target process.
1071 * @effective contains the effective capability set.
1072 * @inheritable contains the inheritable capability set.
1073 * @permitted contains the permitted capability set.
1074 * Return 0 if the capability sets were successfully obtained.
1076 * Check permission before setting the @effective, @inheritable, and
1077 * @permitted capability sets for the @target process.
1078 * Caveat: @target is also set to current if a set of processes is
1079 * specified (i.e. all processes other than current and init or a
1080 * particular process group). Hence, the capset_set hook may need to
1081 * revalidate permission to the actual target process.
1082 * @target contains the task_struct structure for target process.
1083 * @effective contains the effective capability set.
1084 * @inheritable contains the inheritable capability set.
1085 * @permitted contains the permitted capability set.
1086 * Return 0 if permission is granted.
1088 * Set the @effective, @inheritable, and @permitted capability sets for
1089 * the @target process. Since capset_check cannot always check permission
1090 * to the real @target process, this hook may also perform permission
1091 * checking to determine if the current process is allowed to set the
1092 * capability sets of the @target process. However, this hook has no way
1093 * of returning an error due to the structure of the sys_capset code.
1094 * @target contains the task_struct structure for target process.
1095 * @effective contains the effective capability set.
1096 * @inheritable contains the inheritable capability set.
1097 * @permitted contains the permitted capability set.
1099 * Check whether the @tsk process has the @cap capability.
1100 * @tsk contains the task_struct for the process.
1101 * @cap contains the capability <include/linux/capability.h>.
1102 * Return 0 if the capability is granted for @tsk.
1104 * Check permission before enabling or disabling process accounting. If
1105 * accounting is being enabled, then @file refers to the open file used to
1106 * store accounting records. If accounting is being disabled, then @file
1108 * @file contains the file structure for the accounting file (may be NULL).
1109 * Return 0 if permission is granted.
1111 * Check permission before accessing the @table sysctl variable in the
1112 * manner specified by @op.
1113 * @table contains the ctl_table structure for the sysctl variable.
1114 * @op contains the operation (001 = search, 002 = write, 004 = read).
1115 * Return 0 if permission is granted.
1117 * Check permission before accessing the kernel message ring or changing
1118 * logging to the console.
1119 * See the syslog(2) manual page for an explanation of the @type values.
1120 * @type contains the type of action.
1121 * Return 0 if permission is granted.
1123 * Check permission to change the system time.
1124 * struct timespec and timezone are defined in include/linux/time.h
1125 * @ts contains new time
1126 * @tz contains new timezone
1127 * Return 0 if permission is granted.
1128 * @vm_enough_memory:
1129 * Check permissions for allocating a new virtual mapping.
1130 * @pages contains the number of pages.
1131 * Return 0 if permission is granted.
1133 * @register_security:
1134 * allow module stacking.
1135 * @name contains the name of the security module being stacked.
1136 * @ops contains a pointer to the struct security_operations of the module to stack.
1137 * @unregister_security:
1138 * remove a stacked module.
1139 * @name contains the name of the security module being unstacked.
1140 * @ops contains a pointer to the struct security_operations of the module to unstack.
1143 * Convert secid to security context.
1144 * @secid contains the security ID.
1145 * @secdata contains the pointer that stores the converted security context.
1148 * Release the security context.
1149 * @secdata contains the security context.
1150 * @seclen contains the length of the security context.
1152 * This is the main security structure.
1154 struct security_operations {
1155 int (*ptrace) (struct task_struct * parent, struct task_struct * child);
1156 int (*capget) (struct task_struct * target,
1157 kernel_cap_t * effective,
1158 kernel_cap_t * inheritable, kernel_cap_t * permitted);
1159 int (*capset_check) (struct task_struct * target,
1160 kernel_cap_t * effective,
1161 kernel_cap_t * inheritable,
1162 kernel_cap_t * permitted);
1163 void (*capset_set) (struct task_struct * target,
1164 kernel_cap_t * effective,
1165 kernel_cap_t * inheritable,
1166 kernel_cap_t * permitted);
1167 int (*capable) (struct task_struct * tsk, int cap);
1168 int (*acct) (struct file * file);
1169 int (*sysctl) (struct ctl_table * table, int op);
1170 int (*quotactl) (int cmds, int type, int id, struct super_block * sb);
1171 int (*quota_on) (struct dentry * dentry);
1172 int (*syslog) (int type);
1173 int (*settime) (struct timespec *ts, struct timezone *tz);
1174 int (*vm_enough_memory) (long pages);
1176 int (*bprm_alloc_security) (struct linux_binprm * bprm);
1177 void (*bprm_free_security) (struct linux_binprm * bprm);
1178 void (*bprm_apply_creds) (struct linux_binprm * bprm, int unsafe);
1179 void (*bprm_post_apply_creds) (struct linux_binprm * bprm);
1180 int (*bprm_set_security) (struct linux_binprm * bprm);
1181 int (*bprm_check_security) (struct linux_binprm * bprm);
1182 int (*bprm_secureexec) (struct linux_binprm * bprm);
1184 int (*sb_alloc_security) (struct super_block * sb);
1185 void (*sb_free_security) (struct super_block * sb);
1186 int (*sb_copy_data)(struct file_system_type *type,
1187 void *orig, void *copy);
1188 int (*sb_kern_mount) (struct super_block *sb, void *data);
1189 int (*sb_statfs) (struct dentry *dentry);
1190 int (*sb_mount) (char *dev_name, struct nameidata * nd,
1191 char *type, unsigned long flags, void *data);
1192 int (*sb_check_sb) (struct vfsmount * mnt, struct nameidata * nd);
1193 int (*sb_umount) (struct vfsmount * mnt, int flags);
1194 void (*sb_umount_close) (struct vfsmount * mnt);
1195 void (*sb_umount_busy) (struct vfsmount * mnt);
1196 void (*sb_post_remount) (struct vfsmount * mnt,
1197 unsigned long flags, void *data);
1198 void (*sb_post_mountroot) (void);
1199 void (*sb_post_addmount) (struct vfsmount * mnt,
1200 struct nameidata * mountpoint_nd);
1201 int (*sb_pivotroot) (struct nameidata * old_nd,
1202 struct nameidata * new_nd);
1203 void (*sb_post_pivotroot) (struct nameidata * old_nd,
1204 struct nameidata * new_nd);
1206 int (*inode_alloc_security) (struct inode *inode);
1207 void (*inode_free_security) (struct inode *inode);
1208 int (*inode_init_security) (struct inode *inode, struct inode *dir,
1209 char **name, void **value, size_t *len);
1210 int (*inode_create) (struct inode *dir,
1211 struct dentry *dentry, int mode);
1212 int (*inode_link) (struct dentry *old_dentry,
1213 struct inode *dir, struct dentry *new_dentry);
1214 int (*inode_unlink) (struct inode *dir, struct dentry *dentry);
1215 int (*inode_symlink) (struct inode *dir,
1216 struct dentry *dentry, const char *old_name);
1217 int (*inode_mkdir) (struct inode *dir, struct dentry *dentry, int mode);
1218 int (*inode_rmdir) (struct inode *dir, struct dentry *dentry);
1219 int (*inode_mknod) (struct inode *dir, struct dentry *dentry,
1220 int mode, dev_t dev);
1221 int (*inode_rename) (struct inode *old_dir, struct dentry *old_dentry,
1222 struct inode *new_dir, struct dentry *new_dentry);
1223 int (*inode_readlink) (struct dentry *dentry);
1224 int (*inode_follow_link) (struct dentry *dentry, struct nameidata *nd);
1225 int (*inode_permission) (struct inode *inode, int mask, struct nameidata *nd);
1226 int (*inode_setattr) (struct dentry *dentry, struct iattr *attr);
1227 int (*inode_getattr) (struct vfsmount *mnt, struct dentry *dentry);
1228 void (*inode_delete) (struct inode *inode);
1229 int (*inode_setxattr) (struct dentry *dentry, char *name, void *value,
1230 size_t size, int flags);
1231 void (*inode_post_setxattr) (struct dentry *dentry, char *name, void *value,
1232 size_t size, int flags);
1233 int (*inode_getxattr) (struct dentry *dentry, char *name);
1234 int (*inode_listxattr) (struct dentry *dentry);
1235 int (*inode_removexattr) (struct dentry *dentry, char *name);
1236 const char *(*inode_xattr_getsuffix) (void);
1237 int (*inode_getsecurity)(const struct inode *inode, const char *name, void *buffer, size_t size, int err);
1238 int (*inode_setsecurity)(struct inode *inode, const char *name, const void *value, size_t size, int flags);
1239 int (*inode_listsecurity)(struct inode *inode, char *buffer, size_t buffer_size);
1241 int (*file_permission) (struct file * file, int mask);
1242 int (*file_alloc_security) (struct file * file);
1243 void (*file_free_security) (struct file * file);
1244 int (*file_ioctl) (struct file * file, unsigned int cmd,
1246 int (*file_mmap) (struct file * file,
1247 unsigned long reqprot,
1248 unsigned long prot, unsigned long flags);
1249 int (*file_mprotect) (struct vm_area_struct * vma,
1250 unsigned long reqprot,
1251 unsigned long prot);
1252 int (*file_lock) (struct file * file, unsigned int cmd);
1253 int (*file_fcntl) (struct file * file, unsigned int cmd,
1255 int (*file_set_fowner) (struct file * file);
1256 int (*file_send_sigiotask) (struct task_struct * tsk,
1257 struct fown_struct * fown, int sig);
1258 int (*file_receive) (struct file * file);
1260 int (*task_create) (unsigned long clone_flags);
1261 int (*task_alloc_security) (struct task_struct * p);
1262 void (*task_free_security) (struct task_struct * p);
1263 int (*task_setuid) (uid_t id0, uid_t id1, uid_t id2, int flags);
1264 int (*task_post_setuid) (uid_t old_ruid /* or fsuid */ ,
1265 uid_t old_euid, uid_t old_suid, int flags);
1266 int (*task_setgid) (gid_t id0, gid_t id1, gid_t id2, int flags);
1267 int (*task_setpgid) (struct task_struct * p, pid_t pgid);
1268 int (*task_getpgid) (struct task_struct * p);
1269 int (*task_getsid) (struct task_struct * p);
1270 void (*task_getsecid) (struct task_struct * p, u32 * secid);
1271 int (*task_setgroups) (struct group_info *group_info);
1272 int (*task_setnice) (struct task_struct * p, int nice);
1273 int (*task_setioprio) (struct task_struct * p, int ioprio);
1274 int (*task_getioprio) (struct task_struct * p);
1275 int (*task_setrlimit) (unsigned int resource, struct rlimit * new_rlim);
1276 int (*task_setscheduler) (struct task_struct * p, int policy,
1277 struct sched_param * lp);
1278 int (*task_getscheduler) (struct task_struct * p);
1279 int (*task_movememory) (struct task_struct * p);
1280 int (*task_kill) (struct task_struct * p,
1281 struct siginfo * info, int sig, u32 secid);
1282 int (*task_wait) (struct task_struct * p);
1283 int (*task_prctl) (int option, unsigned long arg2,
1284 unsigned long arg3, unsigned long arg4,
1285 unsigned long arg5);
1286 void (*task_reparent_to_init) (struct task_struct * p);
1287 void (*task_to_inode)(struct task_struct *p, struct inode *inode);
1289 int (*ipc_permission) (struct kern_ipc_perm * ipcp, short flag);
1291 int (*msg_msg_alloc_security) (struct msg_msg * msg);
1292 void (*msg_msg_free_security) (struct msg_msg * msg);
1294 int (*msg_queue_alloc_security) (struct msg_queue * msq);
1295 void (*msg_queue_free_security) (struct msg_queue * msq);
1296 int (*msg_queue_associate) (struct msg_queue * msq, int msqflg);
1297 int (*msg_queue_msgctl) (struct msg_queue * msq, int cmd);
1298 int (*msg_queue_msgsnd) (struct msg_queue * msq,
1299 struct msg_msg * msg, int msqflg);
1300 int (*msg_queue_msgrcv) (struct msg_queue * msq,
1301 struct msg_msg * msg,
1302 struct task_struct * target,
1303 long type, int mode);
1305 int (*shm_alloc_security) (struct shmid_kernel * shp);
1306 void (*shm_free_security) (struct shmid_kernel * shp);
1307 int (*shm_associate) (struct shmid_kernel * shp, int shmflg);
1308 int (*shm_shmctl) (struct shmid_kernel * shp, int cmd);
1309 int (*shm_shmat) (struct shmid_kernel * shp,
1310 char __user *shmaddr, int shmflg);
1312 int (*sem_alloc_security) (struct sem_array * sma);
1313 void (*sem_free_security) (struct sem_array * sma);
1314 int (*sem_associate) (struct sem_array * sma, int semflg);
1315 int (*sem_semctl) (struct sem_array * sma, int cmd);
1316 int (*sem_semop) (struct sem_array * sma,
1317 struct sembuf * sops, unsigned nsops, int alter);
1319 int (*netlink_send) (struct sock * sk, struct sk_buff * skb);
1320 int (*netlink_recv) (struct sk_buff * skb, int cap);
1322 /* allow module stacking */
1323 int (*register_security) (const char *name,
1324 struct security_operations *ops);
1325 int (*unregister_security) (const char *name,
1326 struct security_operations *ops);
1328 void (*d_instantiate) (struct dentry *dentry, struct inode *inode);
1330 int (*getprocattr)(struct task_struct *p, char *name, void *value, size_t size);
1331 int (*setprocattr)(struct task_struct *p, char *name, void *value, size_t size);
1332 int (*secid_to_secctx)(u32 secid, char **secdata, u32 *seclen);
1333 void (*release_secctx)(char *secdata, u32 seclen);
1335 #ifdef CONFIG_SECURITY_NETWORK
1336 int (*unix_stream_connect) (struct socket * sock,
1337 struct socket * other, struct sock * newsk);
1338 int (*unix_may_send) (struct socket * sock, struct socket * other);
1340 int (*socket_create) (int family, int type, int protocol, int kern);
1341 int (*socket_post_create) (struct socket * sock, int family,
1342 int type, int protocol, int kern);
1343 int (*socket_bind) (struct socket * sock,
1344 struct sockaddr * address, int addrlen);
1345 int (*socket_connect) (struct socket * sock,
1346 struct sockaddr * address, int addrlen);
1347 int (*socket_listen) (struct socket * sock, int backlog);
1348 int (*socket_accept) (struct socket * sock, struct socket * newsock);
1349 void (*socket_post_accept) (struct socket * sock,
1350 struct socket * newsock);
1351 int (*socket_sendmsg) (struct socket * sock,
1352 struct msghdr * msg, int size);
1353 int (*socket_recvmsg) (struct socket * sock,
1354 struct msghdr * msg, int size, int flags);
1355 int (*socket_getsockname) (struct socket * sock);
1356 int (*socket_getpeername) (struct socket * sock);
1357 int (*socket_getsockopt) (struct socket * sock, int level, int optname);
1358 int (*socket_setsockopt) (struct socket * sock, int level, int optname);
1359 int (*socket_shutdown) (struct socket * sock, int how);
1360 int (*socket_sock_rcv_skb) (struct sock * sk, struct sk_buff * skb);
1361 int (*socket_getpeersec_stream) (struct socket *sock, char __user *optval, int __user *optlen, unsigned len);
1362 int (*socket_getpeersec_dgram) (struct socket *sock, struct sk_buff *skb, u32 *secid);
1363 int (*sk_alloc_security) (struct sock *sk, int family, gfp_t priority);
1364 void (*sk_free_security) (struct sock *sk);
1365 void (*sk_clone_security) (const struct sock *sk, struct sock *newsk);
1366 void (*sk_getsecid) (struct sock *sk, u32 *secid);
1367 void (*sock_graft)(struct sock* sk, struct socket *parent);
1368 int (*inet_conn_request)(struct sock *sk, struct sk_buff *skb,
1369 struct request_sock *req);
1370 void (*inet_csk_clone)(struct sock *newsk, const struct request_sock *req);
1371 void (*req_classify_flow)(const struct request_sock *req, struct flowi *fl);
1372 #endif /* CONFIG_SECURITY_NETWORK */
1374 #ifdef CONFIG_SECURITY_NETWORK_XFRM
1375 int (*xfrm_policy_alloc_security) (struct xfrm_policy *xp,
1376 struct xfrm_user_sec_ctx *sec_ctx);
1377 int (*xfrm_policy_clone_security) (struct xfrm_policy *old, struct xfrm_policy *new);
1378 void (*xfrm_policy_free_security) (struct xfrm_policy *xp);
1379 int (*xfrm_policy_delete_security) (struct xfrm_policy *xp);
1380 int (*xfrm_state_alloc_security) (struct xfrm_state *x,
1381 struct xfrm_user_sec_ctx *sec_ctx,
1383 void (*xfrm_state_free_security) (struct xfrm_state *x);
1384 int (*xfrm_state_delete_security) (struct xfrm_state *x);
1385 int (*xfrm_policy_lookup)(struct xfrm_policy *xp, u32 fl_secid, u8 dir);
1386 int (*xfrm_state_pol_flow_match)(struct xfrm_state *x,
1387 struct xfrm_policy *xp, struct flowi *fl);
1388 int (*xfrm_flow_state_match)(struct flowi *fl, struct xfrm_state *xfrm,
1389 struct xfrm_policy *xp);
1390 int (*xfrm_decode_session)(struct sk_buff *skb, u32 *secid, int ckall);
1391 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
1393 /* key management security hooks */
1395 int (*key_alloc)(struct key *key, struct task_struct *tsk, unsigned long flags);
1396 void (*key_free)(struct key *key);
1397 int (*key_permission)(key_ref_t key_ref,
1398 struct task_struct *context,
1401 #endif /* CONFIG_KEYS */
1405 /* global variables */
1406 extern struct security_operations *security_ops;
1409 static inline int security_ptrace (struct task_struct * parent, struct task_struct * child)
1411 return security_ops->ptrace (parent, child);
1414 static inline int security_capget (struct task_struct *target,
1415 kernel_cap_t *effective,
1416 kernel_cap_t *inheritable,
1417 kernel_cap_t *permitted)
1419 return security_ops->capget (target, effective, inheritable, permitted);
1422 static inline int security_capset_check (struct task_struct *target,
1423 kernel_cap_t *effective,
1424 kernel_cap_t *inheritable,
1425 kernel_cap_t *permitted)
1427 return security_ops->capset_check (target, effective, inheritable, permitted);
1430 static inline void security_capset_set (struct task_struct *target,
1431 kernel_cap_t *effective,
1432 kernel_cap_t *inheritable,
1433 kernel_cap_t *permitted)
1435 security_ops->capset_set (target, effective, inheritable, permitted);
1438 static inline int security_capable(struct task_struct *tsk, int cap)
1440 return security_ops->capable(tsk, cap);
1443 static inline int security_acct (struct file *file)
1445 return security_ops->acct (file);
1448 static inline int security_sysctl(struct ctl_table *table, int op)
1450 return security_ops->sysctl(table, op);
1453 static inline int security_quotactl (int cmds, int type, int id,
1454 struct super_block *sb)
1456 return security_ops->quotactl (cmds, type, id, sb);
1459 static inline int security_quota_on (struct dentry * dentry)
1461 return security_ops->quota_on (dentry);
1464 static inline int security_syslog(int type)
1466 return security_ops->syslog(type);
1469 static inline int security_settime(struct timespec *ts, struct timezone *tz)
1471 return security_ops->settime(ts, tz);
1475 static inline int security_vm_enough_memory(long pages)
1477 return security_ops->vm_enough_memory(pages);
1480 static inline int security_bprm_alloc (struct linux_binprm *bprm)
1482 return security_ops->bprm_alloc_security (bprm);
1484 static inline void security_bprm_free (struct linux_binprm *bprm)
1486 security_ops->bprm_free_security (bprm);
1488 static inline void security_bprm_apply_creds (struct linux_binprm *bprm, int unsafe)
1490 security_ops->bprm_apply_creds (bprm, unsafe);
1492 static inline void security_bprm_post_apply_creds (struct linux_binprm *bprm)
1494 security_ops->bprm_post_apply_creds (bprm);
1496 static inline int security_bprm_set (struct linux_binprm *bprm)
1498 return security_ops->bprm_set_security (bprm);
1501 static inline int security_bprm_check (struct linux_binprm *bprm)
1503 return security_ops->bprm_check_security (bprm);
1506 static inline int security_bprm_secureexec (struct linux_binprm *bprm)
1508 return security_ops->bprm_secureexec (bprm);
1511 static inline int security_sb_alloc (struct super_block *sb)
1513 return security_ops->sb_alloc_security (sb);
1516 static inline void security_sb_free (struct super_block *sb)
1518 security_ops->sb_free_security (sb);
1521 static inline int security_sb_copy_data (struct file_system_type *type,
1522 void *orig, void *copy)
1524 return security_ops->sb_copy_data (type, orig, copy);
1527 static inline int security_sb_kern_mount (struct super_block *sb, void *data)
1529 return security_ops->sb_kern_mount (sb, data);
1532 static inline int security_sb_statfs (struct dentry *dentry)
1534 return security_ops->sb_statfs (dentry);
1537 static inline int security_sb_mount (char *dev_name, struct nameidata *nd,
1538 char *type, unsigned long flags,
1541 return security_ops->sb_mount (dev_name, nd, type, flags, data);
1544 static inline int security_sb_check_sb (struct vfsmount *mnt,
1545 struct nameidata *nd)
1547 return security_ops->sb_check_sb (mnt, nd);
1550 static inline int security_sb_umount (struct vfsmount *mnt, int flags)
1552 return security_ops->sb_umount (mnt, flags);
1555 static inline void security_sb_umount_close (struct vfsmount *mnt)
1557 security_ops->sb_umount_close (mnt);
1560 static inline void security_sb_umount_busy (struct vfsmount *mnt)
1562 security_ops->sb_umount_busy (mnt);
1565 static inline void security_sb_post_remount (struct vfsmount *mnt,
1566 unsigned long flags, void *data)
1568 security_ops->sb_post_remount (mnt, flags, data);
1571 static inline void security_sb_post_mountroot (void)
1573 security_ops->sb_post_mountroot ();
1576 static inline void security_sb_post_addmount (struct vfsmount *mnt,
1577 struct nameidata *mountpoint_nd)
1579 security_ops->sb_post_addmount (mnt, mountpoint_nd);
1582 static inline int security_sb_pivotroot (struct nameidata *old_nd,
1583 struct nameidata *new_nd)
1585 return security_ops->sb_pivotroot (old_nd, new_nd);
1588 static inline void security_sb_post_pivotroot (struct nameidata *old_nd,
1589 struct nameidata *new_nd)
1591 security_ops->sb_post_pivotroot (old_nd, new_nd);
1594 static inline int security_inode_alloc (struct inode *inode)
1596 inode->i_security = NULL;
1597 return security_ops->inode_alloc_security (inode);
1600 static inline void security_inode_free (struct inode *inode)
1602 security_ops->inode_free_security (inode);
1605 static inline int security_inode_init_security (struct inode *inode,
1611 if (unlikely (IS_PRIVATE (inode)))
1613 return security_ops->inode_init_security (inode, dir, name, value, len);
1616 static inline int security_inode_create (struct inode *dir,
1617 struct dentry *dentry,
1620 if (unlikely (IS_PRIVATE (dir)))
1622 return security_ops->inode_create (dir, dentry, mode);
1625 static inline int security_inode_link (struct dentry *old_dentry,
1627 struct dentry *new_dentry)
1629 if (unlikely (IS_PRIVATE (old_dentry->d_inode)))
1631 return security_ops->inode_link (old_dentry, dir, new_dentry);
1634 static inline int security_inode_unlink (struct inode *dir,
1635 struct dentry *dentry)
1637 if (unlikely (IS_PRIVATE (dentry->d_inode)))
1639 return security_ops->inode_unlink (dir, dentry);
1642 static inline int security_inode_symlink (struct inode *dir,
1643 struct dentry *dentry,
1644 const char *old_name)
1646 if (unlikely (IS_PRIVATE (dir)))
1648 return security_ops->inode_symlink (dir, dentry, old_name);
1651 static inline int security_inode_mkdir (struct inode *dir,
1652 struct dentry *dentry,
1655 if (unlikely (IS_PRIVATE (dir)))
1657 return security_ops->inode_mkdir (dir, dentry, mode);
1660 static inline int security_inode_rmdir (struct inode *dir,
1661 struct dentry *dentry)
1663 if (unlikely (IS_PRIVATE (dentry->d_inode)))
1665 return security_ops->inode_rmdir (dir, dentry);
1668 static inline int security_inode_mknod (struct inode *dir,
1669 struct dentry *dentry,
1670 int mode, dev_t dev)
1672 if (unlikely (IS_PRIVATE (dir)))
1674 return security_ops->inode_mknod (dir, dentry, mode, dev);
1677 static inline int security_inode_rename (struct inode *old_dir,
1678 struct dentry *old_dentry,
1679 struct inode *new_dir,
1680 struct dentry *new_dentry)
1682 if (unlikely (IS_PRIVATE (old_dentry->d_inode) ||
1683 (new_dentry->d_inode && IS_PRIVATE (new_dentry->d_inode))))
1685 return security_ops->inode_rename (old_dir, old_dentry,
1686 new_dir, new_dentry);
1689 static inline int security_inode_readlink (struct dentry *dentry)
1691 if (unlikely (IS_PRIVATE (dentry->d_inode)))
1693 return security_ops->inode_readlink (dentry);
1696 static inline int security_inode_follow_link (struct dentry *dentry,
1697 struct nameidata *nd)
1699 if (unlikely (IS_PRIVATE (dentry->d_inode)))
1701 return security_ops->inode_follow_link (dentry, nd);
1704 static inline int security_inode_permission (struct inode *inode, int mask,
1705 struct nameidata *nd)
1707 if (unlikely (IS_PRIVATE (inode)))
1709 return security_ops->inode_permission (inode, mask, nd);
1712 static inline int security_inode_setattr (struct dentry *dentry,
1715 if (unlikely (IS_PRIVATE (dentry->d_inode)))
1717 return security_ops->inode_setattr (dentry, attr);
1720 static inline int security_inode_getattr (struct vfsmount *mnt,
1721 struct dentry *dentry)
1723 if (unlikely (IS_PRIVATE (dentry->d_inode)))
1725 return security_ops->inode_getattr (mnt, dentry);
1728 static inline void security_inode_delete (struct inode *inode)
1730 if (unlikely (IS_PRIVATE (inode)))
1732 security_ops->inode_delete (inode);
1735 static inline int security_inode_setxattr (struct dentry *dentry, char *name,
1736 void *value, size_t size, int flags)
1738 if (unlikely (IS_PRIVATE (dentry->d_inode)))
1740 return security_ops->inode_setxattr (dentry, name, value, size, flags);
1743 static inline void security_inode_post_setxattr (struct dentry *dentry, char *name,
1744 void *value, size_t size, int flags)
1746 if (unlikely (IS_PRIVATE (dentry->d_inode)))
1748 security_ops->inode_post_setxattr (dentry, name, value, size, flags);
1751 static inline int security_inode_getxattr (struct dentry *dentry, char *name)
1753 if (unlikely (IS_PRIVATE (dentry->d_inode)))
1755 return security_ops->inode_getxattr (dentry, name);
1758 static inline int security_inode_listxattr (struct dentry *dentry)
1760 if (unlikely (IS_PRIVATE (dentry->d_inode)))
1762 return security_ops->inode_listxattr (dentry);
1765 static inline int security_inode_removexattr (struct dentry *dentry, char *name)
1767 if (unlikely (IS_PRIVATE (dentry->d_inode)))
1769 return security_ops->inode_removexattr (dentry, name);
1772 static inline const char *security_inode_xattr_getsuffix(void)
1774 return security_ops->inode_xattr_getsuffix();
1777 static inline int security_inode_getsecurity(const struct inode *inode, const char *name, void *buffer, size_t size, int err)
1779 if (unlikely (IS_PRIVATE (inode)))
1781 return security_ops->inode_getsecurity(inode, name, buffer, size, err);
1784 static inline int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
1786 if (unlikely (IS_PRIVATE (inode)))
1788 return security_ops->inode_setsecurity(inode, name, value, size, flags);
1791 static inline int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
1793 if (unlikely (IS_PRIVATE (inode)))
1795 return security_ops->inode_listsecurity(inode, buffer, buffer_size);
1798 static inline int security_file_permission (struct file *file, int mask)
1800 return security_ops->file_permission (file, mask);
1803 static inline int security_file_alloc (struct file *file)
1805 return security_ops->file_alloc_security (file);
1808 static inline void security_file_free (struct file *file)
1810 security_ops->file_free_security (file);
1813 static inline int security_file_ioctl (struct file *file, unsigned int cmd,
1816 return security_ops->file_ioctl (file, cmd, arg);
1819 static inline int security_file_mmap (struct file *file, unsigned long reqprot,
1821 unsigned long flags)
1823 return security_ops->file_mmap (file, reqprot, prot, flags);
1826 static inline int security_file_mprotect (struct vm_area_struct *vma,
1827 unsigned long reqprot,
1830 return security_ops->file_mprotect (vma, reqprot, prot);
1833 static inline int security_file_lock (struct file *file, unsigned int cmd)
1835 return security_ops->file_lock (file, cmd);
1838 static inline int security_file_fcntl (struct file *file, unsigned int cmd,
1841 return security_ops->file_fcntl (file, cmd, arg);
1844 static inline int security_file_set_fowner (struct file *file)
1846 return security_ops->file_set_fowner (file);
1849 static inline int security_file_send_sigiotask (struct task_struct *tsk,
1850 struct fown_struct *fown,
1853 return security_ops->file_send_sigiotask (tsk, fown, sig);
1856 static inline int security_file_receive (struct file *file)
1858 return security_ops->file_receive (file);
1861 static inline int security_task_create (unsigned long clone_flags)
1863 return security_ops->task_create (clone_flags);
1866 static inline int security_task_alloc (struct task_struct *p)
1868 return security_ops->task_alloc_security (p);
1871 static inline void security_task_free (struct task_struct *p)
1873 security_ops->task_free_security (p);
1876 static inline int security_task_setuid (uid_t id0, uid_t id1, uid_t id2,
1879 return security_ops->task_setuid (id0, id1, id2, flags);
1882 static inline int security_task_post_setuid (uid_t old_ruid, uid_t old_euid,
1883 uid_t old_suid, int flags)
1885 return security_ops->task_post_setuid (old_ruid, old_euid, old_suid, flags);
1888 static inline int security_task_setgid (gid_t id0, gid_t id1, gid_t id2,
1891 return security_ops->task_setgid (id0, id1, id2, flags);
1894 static inline int security_task_setpgid (struct task_struct *p, pid_t pgid)
1896 return security_ops->task_setpgid (p, pgid);
1899 static inline int security_task_getpgid (struct task_struct *p)
1901 return security_ops->task_getpgid (p);
1904 static inline int security_task_getsid (struct task_struct *p)
1906 return security_ops->task_getsid (p);
1909 static inline void security_task_getsecid (struct task_struct *p, u32 *secid)
1911 security_ops->task_getsecid (p, secid);
1914 static inline int security_task_setgroups (struct group_info *group_info)
1916 return security_ops->task_setgroups (group_info);
1919 static inline int security_task_setnice (struct task_struct *p, int nice)
1921 return security_ops->task_setnice (p, nice);
1924 static inline int security_task_setioprio (struct task_struct *p, int ioprio)
1926 return security_ops->task_setioprio (p, ioprio);
1929 static inline int security_task_getioprio (struct task_struct *p)
1931 return security_ops->task_getioprio (p);
1934 static inline int security_task_setrlimit (unsigned int resource,
1935 struct rlimit *new_rlim)
1937 return security_ops->task_setrlimit (resource, new_rlim);
1940 static inline int security_task_setscheduler (struct task_struct *p,
1942 struct sched_param *lp)
1944 return security_ops->task_setscheduler (p, policy, lp);
1947 static inline int security_task_getscheduler (struct task_struct *p)
1949 return security_ops->task_getscheduler (p);
1952 static inline int security_task_movememory (struct task_struct *p)
1954 return security_ops->task_movememory (p);
1957 static inline int security_task_kill (struct task_struct *p,
1958 struct siginfo *info, int sig,
1961 return security_ops->task_kill (p, info, sig, secid);
1964 static inline int security_task_wait (struct task_struct *p)
1966 return security_ops->task_wait (p);
1969 static inline int security_task_prctl (int option, unsigned long arg2,
1974 return security_ops->task_prctl (option, arg2, arg3, arg4, arg5);
1977 static inline void security_task_reparent_to_init (struct task_struct *p)
1979 security_ops->task_reparent_to_init (p);
1982 static inline void security_task_to_inode(struct task_struct *p, struct inode *inode)
1984 security_ops->task_to_inode(p, inode);
1987 static inline int security_ipc_permission (struct kern_ipc_perm *ipcp,
1990 return security_ops->ipc_permission (ipcp, flag);
1993 static inline int security_msg_msg_alloc (struct msg_msg * msg)
1995 return security_ops->msg_msg_alloc_security (msg);
1998 static inline void security_msg_msg_free (struct msg_msg * msg)
2000 security_ops->msg_msg_free_security(msg);
2003 static inline int security_msg_queue_alloc (struct msg_queue *msq)
2005 return security_ops->msg_queue_alloc_security (msq);
2008 static inline void security_msg_queue_free (struct msg_queue *msq)
2010 security_ops->msg_queue_free_security (msq);
2013 static inline int security_msg_queue_associate (struct msg_queue * msq,
2016 return security_ops->msg_queue_associate (msq, msqflg);
2019 static inline int security_msg_queue_msgctl (struct msg_queue * msq, int cmd)
2021 return security_ops->msg_queue_msgctl (msq, cmd);
2024 static inline int security_msg_queue_msgsnd (struct msg_queue * msq,
2025 struct msg_msg * msg, int msqflg)
2027 return security_ops->msg_queue_msgsnd (msq, msg, msqflg);
2030 static inline int security_msg_queue_msgrcv (struct msg_queue * msq,
2031 struct msg_msg * msg,
2032 struct task_struct * target,
2033 long type, int mode)
2035 return security_ops->msg_queue_msgrcv (msq, msg, target, type, mode);
2038 static inline int security_shm_alloc (struct shmid_kernel *shp)
2040 return security_ops->shm_alloc_security (shp);
2043 static inline void security_shm_free (struct shmid_kernel *shp)
2045 security_ops->shm_free_security (shp);
2048 static inline int security_shm_associate (struct shmid_kernel * shp,
2051 return security_ops->shm_associate(shp, shmflg);
2054 static inline int security_shm_shmctl (struct shmid_kernel * shp, int cmd)
2056 return security_ops->shm_shmctl (shp, cmd);
2059 static inline int security_shm_shmat (struct shmid_kernel * shp,
2060 char __user *shmaddr, int shmflg)
2062 return security_ops->shm_shmat(shp, shmaddr, shmflg);
2065 static inline int security_sem_alloc (struct sem_array *sma)
2067 return security_ops->sem_alloc_security (sma);
2070 static inline void security_sem_free (struct sem_array *sma)
2072 security_ops->sem_free_security (sma);
2075 static inline int security_sem_associate (struct sem_array * sma, int semflg)
2077 return security_ops->sem_associate (sma, semflg);
2080 static inline int security_sem_semctl (struct sem_array * sma, int cmd)
2082 return security_ops->sem_semctl(sma, cmd);
2085 static inline int security_sem_semop (struct sem_array * sma,
2086 struct sembuf * sops, unsigned nsops,
2089 return security_ops->sem_semop(sma, sops, nsops, alter);
2092 static inline void security_d_instantiate (struct dentry *dentry, struct inode *inode)
2094 if (unlikely (inode && IS_PRIVATE (inode)))
2096 security_ops->d_instantiate (dentry, inode);
2099 static inline int security_getprocattr(struct task_struct *p, char *name, void *value, size_t size)
2101 return security_ops->getprocattr(p, name, value, size);
2104 static inline int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
2106 return security_ops->setprocattr(p, name, value, size);
2109 static inline int security_netlink_send(struct sock *sk, struct sk_buff * skb)
2111 return security_ops->netlink_send(sk, skb);
2114 static inline int security_netlink_recv(struct sk_buff * skb, int cap)
2116 return security_ops->netlink_recv(skb, cap);
2119 static inline int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
2121 return security_ops->secid_to_secctx(secid, secdata, seclen);
2124 static inline void security_release_secctx(char *secdata, u32 seclen)
2126 return security_ops->release_secctx(secdata, seclen);
2130 extern int security_init (void);
2131 extern int register_security (struct security_operations *ops);
2132 extern int unregister_security (struct security_operations *ops);
2133 extern int mod_reg_security (const char *name, struct security_operations *ops);
2134 extern int mod_unreg_security (const char *name, struct security_operations *ops);
2135 extern struct dentry *securityfs_create_file(const char *name, mode_t mode,
2136 struct dentry *parent, void *data,
2137 struct file_operations *fops);
2138 extern struct dentry *securityfs_create_dir(const char *name, struct dentry *parent);
2139 extern void securityfs_remove(struct dentry *dentry);
2142 #else /* CONFIG_SECURITY */
2145 * This is the default capabilities functionality. Most of these functions
2146 * are just stubbed out, but a few must call the proper capable code.
2149 static inline int security_init(void)
2154 static inline int security_ptrace (struct task_struct *parent, struct task_struct * child)
2156 return cap_ptrace (parent, child);
2159 static inline int security_capget (struct task_struct *target,
2160 kernel_cap_t *effective,
2161 kernel_cap_t *inheritable,
2162 kernel_cap_t *permitted)
2164 return cap_capget (target, effective, inheritable, permitted);
2167 static inline int security_capset_check (struct task_struct *target,
2168 kernel_cap_t *effective,
2169 kernel_cap_t *inheritable,
2170 kernel_cap_t *permitted)
2172 return cap_capset_check (target, effective, inheritable, permitted);
2175 static inline void security_capset_set (struct task_struct *target,
2176 kernel_cap_t *effective,
2177 kernel_cap_t *inheritable,
2178 kernel_cap_t *permitted)
2180 cap_capset_set (target, effective, inheritable, permitted);
2183 static inline int security_capable(struct task_struct *tsk, int cap)
2185 return cap_capable(tsk, cap);
2188 static inline int security_acct (struct file *file)
2193 static inline int security_sysctl(struct ctl_table *table, int op)
2198 static inline int security_quotactl (int cmds, int type, int id,
2199 struct super_block * sb)
2204 static inline int security_quota_on (struct dentry * dentry)
2209 static inline int security_syslog(int type)
2211 return cap_syslog(type);
2214 static inline int security_settime(struct timespec *ts, struct timezone *tz)
2216 return cap_settime(ts, tz);
2219 static inline int security_vm_enough_memory(long pages)
2221 return cap_vm_enough_memory(pages);
2224 static inline int security_bprm_alloc (struct linux_binprm *bprm)
2229 static inline void security_bprm_free (struct linux_binprm *bprm)
2232 static inline void security_bprm_apply_creds (struct linux_binprm *bprm, int unsafe)
2234 cap_bprm_apply_creds (bprm, unsafe);
2237 static inline void security_bprm_post_apply_creds (struct linux_binprm *bprm)
2242 static inline int security_bprm_set (struct linux_binprm *bprm)
2244 return cap_bprm_set_security (bprm);
2247 static inline int security_bprm_check (struct linux_binprm *bprm)
2252 static inline int security_bprm_secureexec (struct linux_binprm *bprm)
2254 return cap_bprm_secureexec(bprm);
2257 static inline int security_sb_alloc (struct super_block *sb)
2262 static inline void security_sb_free (struct super_block *sb)
2265 static inline int security_sb_copy_data (struct file_system_type *type,
2266 void *orig, void *copy)
2271 static inline int security_sb_kern_mount (struct super_block *sb, void *data)
2276 static inline int security_sb_statfs (struct dentry *dentry)
2281 static inline int security_sb_mount (char *dev_name, struct nameidata *nd,
2282 char *type, unsigned long flags,
2288 static inline int security_sb_check_sb (struct vfsmount *mnt,
2289 struct nameidata *nd)
2294 static inline int security_sb_umount (struct vfsmount *mnt, int flags)
2299 static inline void security_sb_umount_close (struct vfsmount *mnt)
2302 static inline void security_sb_umount_busy (struct vfsmount *mnt)
2305 static inline void security_sb_post_remount (struct vfsmount *mnt,
2306 unsigned long flags, void *data)
2309 static inline void security_sb_post_mountroot (void)
2312 static inline void security_sb_post_addmount (struct vfsmount *mnt,
2313 struct nameidata *mountpoint_nd)
2316 static inline int security_sb_pivotroot (struct nameidata *old_nd,
2317 struct nameidata *new_nd)
2322 static inline void security_sb_post_pivotroot (struct nameidata *old_nd,
2323 struct nameidata *new_nd)
2326 static inline int security_inode_alloc (struct inode *inode)
2331 static inline void security_inode_free (struct inode *inode)
2334 static inline int security_inode_init_security (struct inode *inode,
2343 static inline int security_inode_create (struct inode *dir,
2344 struct dentry *dentry,
2350 static inline int security_inode_link (struct dentry *old_dentry,
2352 struct dentry *new_dentry)
2357 static inline int security_inode_unlink (struct inode *dir,
2358 struct dentry *dentry)
2363 static inline int security_inode_symlink (struct inode *dir,
2364 struct dentry *dentry,
2365 const char *old_name)
2370 static inline int security_inode_mkdir (struct inode *dir,
2371 struct dentry *dentry,
2377 static inline int security_inode_rmdir (struct inode *dir,
2378 struct dentry *dentry)
2383 static inline int security_inode_mknod (struct inode *dir,
2384 struct dentry *dentry,
2385 int mode, dev_t dev)
2390 static inline int security_inode_rename (struct inode *old_dir,
2391 struct dentry *old_dentry,
2392 struct inode *new_dir,
2393 struct dentry *new_dentry)
2398 static inline int security_inode_readlink (struct dentry *dentry)
2403 static inline int security_inode_follow_link (struct dentry *dentry,
2404 struct nameidata *nd)
2409 static inline int security_inode_permission (struct inode *inode, int mask,
2410 struct nameidata *nd)
2415 static inline int security_inode_setattr (struct dentry *dentry,
2421 static inline int security_inode_getattr (struct vfsmount *mnt,
2422 struct dentry *dentry)
2427 static inline void security_inode_delete (struct inode *inode)
2430 static inline int security_inode_setxattr (struct dentry *dentry, char *name,
2431 void *value, size_t size, int flags)
2433 return cap_inode_setxattr(dentry, name, value, size, flags);
2436 static inline void security_inode_post_setxattr (struct dentry *dentry, char *name,
2437 void *value, size_t size, int flags)
2440 static inline int security_inode_getxattr (struct dentry *dentry, char *name)
2445 static inline int security_inode_listxattr (struct dentry *dentry)
2450 static inline int security_inode_removexattr (struct dentry *dentry, char *name)
2452 return cap_inode_removexattr(dentry, name);
2455 static inline const char *security_inode_xattr_getsuffix (void)
2460 static inline int security_inode_getsecurity(const struct inode *inode, const char *name, void *buffer, size_t size, int err)
2465 static inline int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags)
2470 static inline int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size)
2475 static inline int security_file_permission (struct file *file, int mask)
2480 static inline int security_file_alloc (struct file *file)
2485 static inline void security_file_free (struct file *file)
2488 static inline int security_file_ioctl (struct file *file, unsigned int cmd,
2494 static inline int security_file_mmap (struct file *file, unsigned long reqprot,
2496 unsigned long flags)
2501 static inline int security_file_mprotect (struct vm_area_struct *vma,
2502 unsigned long reqprot,
2508 static inline int security_file_lock (struct file *file, unsigned int cmd)
2513 static inline int security_file_fcntl (struct file *file, unsigned int cmd,
2519 static inline int security_file_set_fowner (struct file *file)
2524 static inline int security_file_send_sigiotask (struct task_struct *tsk,
2525 struct fown_struct *fown,
2531 static inline int security_file_receive (struct file *file)
2536 static inline int security_task_create (unsigned long clone_flags)
2541 static inline int security_task_alloc (struct task_struct *p)
2546 static inline void security_task_free (struct task_struct *p)
2549 static inline int security_task_setuid (uid_t id0, uid_t id1, uid_t id2,
2555 static inline int security_task_post_setuid (uid_t old_ruid, uid_t old_euid,
2556 uid_t old_suid, int flags)
2558 return cap_task_post_setuid (old_ruid, old_euid, old_suid, flags);
2561 static inline int security_task_setgid (gid_t id0, gid_t id1, gid_t id2,
2567 static inline int security_task_setpgid (struct task_struct *p, pid_t pgid)
2572 static inline int security_task_getpgid (struct task_struct *p)
2577 static inline int security_task_getsid (struct task_struct *p)
2582 static inline void security_task_getsecid (struct task_struct *p, u32 *secid)
2585 static inline int security_task_setgroups (struct group_info *group_info)
2590 static inline int security_task_setnice (struct task_struct *p, int nice)
2595 static inline int security_task_setioprio (struct task_struct *p, int ioprio)
2600 static inline int security_task_getioprio (struct task_struct *p)
2605 static inline int security_task_setrlimit (unsigned int resource,
2606 struct rlimit *new_rlim)
2611 static inline int security_task_setscheduler (struct task_struct *p,
2613 struct sched_param *lp)
2618 static inline int security_task_getscheduler (struct task_struct *p)
2623 static inline int security_task_movememory (struct task_struct *p)
2628 static inline int security_task_kill (struct task_struct *p,
2629 struct siginfo *info, int sig,
2635 static inline int security_task_wait (struct task_struct *p)
2640 static inline int security_task_prctl (int option, unsigned long arg2,
2648 static inline void security_task_reparent_to_init (struct task_struct *p)
2650 cap_task_reparent_to_init (p);
2653 static inline void security_task_to_inode(struct task_struct *p, struct inode *inode)
2656 static inline int security_ipc_permission (struct kern_ipc_perm *ipcp,
2662 static inline int security_msg_msg_alloc (struct msg_msg * msg)
2667 static inline void security_msg_msg_free (struct msg_msg * msg)
2670 static inline int security_msg_queue_alloc (struct msg_queue *msq)
2675 static inline void security_msg_queue_free (struct msg_queue *msq)
2678 static inline int security_msg_queue_associate (struct msg_queue * msq,
2684 static inline int security_msg_queue_msgctl (struct msg_queue * msq, int cmd)
2689 static inline int security_msg_queue_msgsnd (struct msg_queue * msq,
2690 struct msg_msg * msg, int msqflg)
2695 static inline int security_msg_queue_msgrcv (struct msg_queue * msq,
2696 struct msg_msg * msg,
2697 struct task_struct * target,
2698 long type, int mode)
2703 static inline int security_shm_alloc (struct shmid_kernel *shp)
2708 static inline void security_shm_free (struct shmid_kernel *shp)
2711 static inline int security_shm_associate (struct shmid_kernel * shp,
2717 static inline int security_shm_shmctl (struct shmid_kernel * shp, int cmd)
2722 static inline int security_shm_shmat (struct shmid_kernel * shp,
2723 char __user *shmaddr, int shmflg)
2728 static inline int security_sem_alloc (struct sem_array *sma)
2733 static inline void security_sem_free (struct sem_array *sma)
2736 static inline int security_sem_associate (struct sem_array * sma, int semflg)
2741 static inline int security_sem_semctl (struct sem_array * sma, int cmd)
2746 static inline int security_sem_semop (struct sem_array * sma,
2747 struct sembuf * sops, unsigned nsops,
2753 static inline void security_d_instantiate (struct dentry *dentry, struct inode *inode)
2756 static inline int security_getprocattr(struct task_struct *p, char *name, void *value, size_t size)
2761 static inline int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size)
2766 static inline int security_netlink_send (struct sock *sk, struct sk_buff *skb)
2768 return cap_netlink_send (sk, skb);
2771 static inline int security_netlink_recv (struct sk_buff *skb, int cap)
2773 return cap_netlink_recv (skb, cap);
2776 static inline struct dentry *securityfs_create_dir(const char *name,
2777 struct dentry *parent)
2779 return ERR_PTR(-ENODEV);
2782 static inline struct dentry *securityfs_create_file(const char *name,
2784 struct dentry *parent,
2786 struct file_operations *fops)
2788 return ERR_PTR(-ENODEV);
2791 static inline void securityfs_remove(struct dentry *dentry)
2795 static inline int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen)
2800 static inline void security_release_secctx(char *secdata, u32 seclen)
2803 #endif /* CONFIG_SECURITY */
2805 #ifdef CONFIG_SECURITY_NETWORK
2806 static inline int security_unix_stream_connect(struct socket * sock,
2807 struct socket * other,
2808 struct sock * newsk)
2810 return security_ops->unix_stream_connect(sock, other, newsk);
2814 static inline int security_unix_may_send(struct socket * sock,
2815 struct socket * other)
2817 return security_ops->unix_may_send(sock, other);
2820 static inline int security_socket_create (int family, int type,
2821 int protocol, int kern)
2823 return security_ops->socket_create(family, type, protocol, kern);
2826 static inline int security_socket_post_create(struct socket * sock,
2829 int protocol, int kern)
2831 return security_ops->socket_post_create(sock, family, type,
2835 static inline int security_socket_bind(struct socket * sock,
2836 struct sockaddr * address,
2839 return security_ops->socket_bind(sock, address, addrlen);
2842 static inline int security_socket_connect(struct socket * sock,
2843 struct sockaddr * address,
2846 return security_ops->socket_connect(sock, address, addrlen);
2849 static inline int security_socket_listen(struct socket * sock, int backlog)
2851 return security_ops->socket_listen(sock, backlog);
2854 static inline int security_socket_accept(struct socket * sock,
2855 struct socket * newsock)
2857 return security_ops->socket_accept(sock, newsock);
2860 static inline void security_socket_post_accept(struct socket * sock,
2861 struct socket * newsock)
2863 security_ops->socket_post_accept(sock, newsock);
2866 static inline int security_socket_sendmsg(struct socket * sock,
2867 struct msghdr * msg, int size)
2869 return security_ops->socket_sendmsg(sock, msg, size);
2872 static inline int security_socket_recvmsg(struct socket * sock,
2873 struct msghdr * msg, int size,
2876 return security_ops->socket_recvmsg(sock, msg, size, flags);
2879 static inline int security_socket_getsockname(struct socket * sock)
2881 return security_ops->socket_getsockname(sock);
2884 static inline int security_socket_getpeername(struct socket * sock)
2886 return security_ops->socket_getpeername(sock);
2889 static inline int security_socket_getsockopt(struct socket * sock,
2890 int level, int optname)
2892 return security_ops->socket_getsockopt(sock, level, optname);
2895 static inline int security_socket_setsockopt(struct socket * sock,
2896 int level, int optname)
2898 return security_ops->socket_setsockopt(sock, level, optname);
2901 static inline int security_socket_shutdown(struct socket * sock, int how)
2903 return security_ops->socket_shutdown(sock, how);
2906 static inline int security_sock_rcv_skb (struct sock * sk,
2907 struct sk_buff * skb)
2909 return security_ops->socket_sock_rcv_skb (sk, skb);
2912 static inline int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
2913 int __user *optlen, unsigned len)
2915 return security_ops->socket_getpeersec_stream(sock, optval, optlen, len);
2918 static inline int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
2920 return security_ops->socket_getpeersec_dgram(sock, skb, secid);
2923 static inline int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
2925 return security_ops->sk_alloc_security(sk, family, priority);
2928 static inline void security_sk_free(struct sock *sk)
2930 return security_ops->sk_free_security(sk);
2933 static inline void security_sk_clone(const struct sock *sk, struct sock *newsk)
2935 return security_ops->sk_clone_security(sk, newsk);
2938 static inline void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
2940 security_ops->sk_getsecid(sk, &fl->secid);
2943 static inline void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
2945 security_ops->req_classify_flow(req, fl);
2948 static inline void security_sock_graft(struct sock* sk, struct socket *parent)
2950 security_ops->sock_graft(sk, parent);
2953 static inline int security_inet_conn_request(struct sock *sk,
2954 struct sk_buff *skb, struct request_sock *req)
2956 return security_ops->inet_conn_request(sk, skb, req);
2959 static inline void security_inet_csk_clone(struct sock *newsk,
2960 const struct request_sock *req)
2962 security_ops->inet_csk_clone(newsk, req);
2964 #else /* CONFIG_SECURITY_NETWORK */
2965 static inline int security_unix_stream_connect(struct socket * sock,
2966 struct socket * other,
2967 struct sock * newsk)
2972 static inline int security_unix_may_send(struct socket * sock,
2973 struct socket * other)
2978 static inline int security_socket_create (int family, int type,
2979 int protocol, int kern)
2984 static inline int security_socket_post_create(struct socket * sock,
2987 int protocol, int kern)
2992 static inline int security_socket_bind(struct socket * sock,
2993 struct sockaddr * address,
2999 static inline int security_socket_connect(struct socket * sock,
3000 struct sockaddr * address,
3006 static inline int security_socket_listen(struct socket * sock, int backlog)
3011 static inline int security_socket_accept(struct socket * sock,
3012 struct socket * newsock)
3017 static inline void security_socket_post_accept(struct socket * sock,
3018 struct socket * newsock)
3022 static inline int security_socket_sendmsg(struct socket * sock,
3023 struct msghdr * msg, int size)
3028 static inline int security_socket_recvmsg(struct socket * sock,
3029 struct msghdr * msg, int size,
3035 static inline int security_socket_getsockname(struct socket * sock)
3040 static inline int security_socket_getpeername(struct socket * sock)
3045 static inline int security_socket_getsockopt(struct socket * sock,
3046 int level, int optname)
3051 static inline int security_socket_setsockopt(struct socket * sock,
3052 int level, int optname)
3057 static inline int security_socket_shutdown(struct socket * sock, int how)
3061 static inline int security_sock_rcv_skb (struct sock * sk,
3062 struct sk_buff * skb)
3067 static inline int security_socket_getpeersec_stream(struct socket *sock, char __user *optval,
3068 int __user *optlen, unsigned len)
3070 return -ENOPROTOOPT;
3073 static inline int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid)
3075 return -ENOPROTOOPT;
3078 static inline int security_sk_alloc(struct sock *sk, int family, gfp_t priority)
3083 static inline void security_sk_free(struct sock *sk)
3087 static inline void security_sk_clone(const struct sock *sk, struct sock *newsk)
3091 static inline void security_sk_classify_flow(struct sock *sk, struct flowi *fl)
3095 static inline void security_req_classify_flow(const struct request_sock *req, struct flowi *fl)
3099 static inline void security_sock_graft(struct sock* sk, struct socket *parent)
3103 static inline int security_inet_conn_request(struct sock *sk,
3104 struct sk_buff *skb, struct request_sock *req)
3109 static inline void security_inet_csk_clone(struct sock *newsk,
3110 const struct request_sock *req)
3113 #endif /* CONFIG_SECURITY_NETWORK */
3115 #ifdef CONFIG_SECURITY_NETWORK_XFRM
3116 static inline int security_xfrm_policy_alloc(struct xfrm_policy *xp, struct xfrm_user_sec_ctx *sec_ctx)
3118 return security_ops->xfrm_policy_alloc_security(xp, sec_ctx);
3121 static inline int security_xfrm_policy_clone(struct xfrm_policy *old, struct xfrm_policy *new)
3123 return security_ops->xfrm_policy_clone_security(old, new);
3126 static inline void security_xfrm_policy_free(struct xfrm_policy *xp)
3128 security_ops->xfrm_policy_free_security(xp);
3131 static inline int security_xfrm_policy_delete(struct xfrm_policy *xp)
3133 return security_ops->xfrm_policy_delete_security(xp);
3136 static inline int security_xfrm_state_alloc(struct xfrm_state *x,
3137 struct xfrm_user_sec_ctx *sec_ctx)
3139 return security_ops->xfrm_state_alloc_security(x, sec_ctx, 0);
3142 static inline int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
3143 struct xfrm_sec_ctx *polsec, u32 secid)
3148 * We want the context to be taken from secid which is usually
3151 return security_ops->xfrm_state_alloc_security(x, NULL, secid);
3154 static inline int security_xfrm_state_delete(struct xfrm_state *x)
3156 return security_ops->xfrm_state_delete_security(x);
3159 static inline void security_xfrm_state_free(struct xfrm_state *x)
3161 security_ops->xfrm_state_free_security(x);
3164 static inline int security_xfrm_policy_lookup(struct xfrm_policy *xp, u32 fl_secid, u8 dir)
3166 return security_ops->xfrm_policy_lookup(xp, fl_secid, dir);
3169 static inline int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
3170 struct xfrm_policy *xp, struct flowi *fl)
3172 return security_ops->xfrm_state_pol_flow_match(x, xp, fl);
3175 static inline int security_xfrm_flow_state_match(struct flowi *fl,
3176 struct xfrm_state *xfrm, struct xfrm_policy *xp)
3178 return security_ops->xfrm_flow_state_match(fl, xfrm, xp);
3181 static inline int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
3183 return security_ops->xfrm_decode_session(skb, secid, 1);
3186 static inline void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
3188 int rc = security_ops->xfrm_decode_session(skb, &fl->secid, 0);
3192 #else /* CONFIG_SECURITY_NETWORK_XFRM */
3193 static inline int security_xfrm_policy_alloc(struct xfrm_policy *xp, struct xfrm_user_sec_ctx *sec_ctx)
3198 static inline int security_xfrm_policy_clone(struct xfrm_policy *old, struct xfrm_policy *new)
3203 static inline void security_xfrm_policy_free(struct xfrm_policy *xp)
3207 static inline int security_xfrm_policy_delete(struct xfrm_policy *xp)
3212 static inline int security_xfrm_state_alloc(struct xfrm_state *x,
3213 struct xfrm_user_sec_ctx *sec_ctx)
3218 static inline int security_xfrm_state_alloc_acquire(struct xfrm_state *x,
3219 struct xfrm_sec_ctx *polsec, u32 secid)
3224 static inline void security_xfrm_state_free(struct xfrm_state *x)
3228 static inline int security_xfrm_state_delete(struct xfrm_state *x)
3233 static inline int security_xfrm_policy_lookup(struct xfrm_policy *xp, u32 fl_secid, u8 dir)
3238 static inline int security_xfrm_state_pol_flow_match(struct xfrm_state *x,
3239 struct xfrm_policy *xp, struct flowi *fl)
3244 static inline int security_xfrm_flow_state_match(struct flowi *fl,
3245 struct xfrm_state *xfrm, struct xfrm_policy *xp)
3250 static inline int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid)
3255 static inline void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl)
3259 #endif /* CONFIG_SECURITY_NETWORK_XFRM */
3262 #ifdef CONFIG_SECURITY
3263 static inline int security_key_alloc(struct key *key,
3264 struct task_struct *tsk,
3265 unsigned long flags)
3267 return security_ops->key_alloc(key, tsk, flags);
3270 static inline void security_key_free(struct key *key)
3272 security_ops->key_free(key);
3275 static inline int security_key_permission(key_ref_t key_ref,
3276 struct task_struct *context,
3279 return security_ops->key_permission(key_ref, context, perm);
3284 static inline int security_key_alloc(struct key *key,
3285 struct task_struct *tsk,
3286 unsigned long flags)
3291 static inline void security_key_free(struct key *key)
3295 static inline int security_key_permission(key_ref_t key_ref,
3296 struct task_struct *context,
3303 #endif /* CONFIG_KEYS */
3305 #endif /* ! __LINUX_SECURITY_H */