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1da177e4 LT |
1 | /* |
2 | * Linux Security plug | |
3 | * | |
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) | |
9 | * | |
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. | |
14 | * | |
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. | |
19 | * | |
20 | */ | |
21 | ||
22 | #ifndef __LINUX_SECURITY_H | |
23 | #define __LINUX_SECURITY_H | |
24 | ||
25 | #include <linux/fs.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> | |
29db9190 | 33 | #include <linux/key.h> |
e0d1caa7 | 34 | #include <linux/xfrm.h> |
beb8d13b | 35 | #include <net/flow.h> |
1da177e4 | 36 | |
72c2d582 AM |
37 | extern unsigned securebits; |
38 | ||
076c54c5 AD |
39 | /* Maximum number of letters for an LSM name string */ |
40 | #define SECURITY_NAME_MAX 10 | |
41 | ||
1da177e4 | 42 | struct ctl_table; |
03d37d25 | 43 | struct audit_krule; |
1da177e4 LT |
44 | |
45 | /* | |
46 | * These functions are in security/capability.c and are used | |
47 | * as the default capabilities functions | |
48 | */ | |
49 | extern int cap_capable (struct task_struct *tsk, int cap); | |
50 | extern int cap_settime (struct timespec *ts, struct timezone *tz); | |
51 | extern int cap_ptrace (struct task_struct *parent, struct task_struct *child); | |
52 | extern int cap_capget (struct task_struct *target, kernel_cap_t *effective, kernel_cap_t *inheritable, kernel_cap_t *permitted); | |
53 | extern int cap_capset_check (struct task_struct *target, kernel_cap_t *effective, kernel_cap_t *inheritable, kernel_cap_t *permitted); | |
54 | extern void cap_capset_set (struct task_struct *target, kernel_cap_t *effective, kernel_cap_t *inheritable, kernel_cap_t *permitted); | |
55 | extern int cap_bprm_set_security (struct linux_binprm *bprm); | |
56 | extern void cap_bprm_apply_creds (struct linux_binprm *bprm, int unsafe); | |
57 | extern int cap_bprm_secureexec(struct linux_binprm *bprm); | |
58 | extern int cap_inode_setxattr(struct dentry *dentry, char *name, void *value, size_t size, int flags); | |
59 | extern int cap_inode_removexattr(struct dentry *dentry, char *name); | |
b5376771 SH |
60 | extern int cap_inode_need_killpriv(struct dentry *dentry); |
61 | extern int cap_inode_killpriv(struct dentry *dentry); | |
1da177e4 LT |
62 | extern int cap_task_post_setuid (uid_t old_ruid, uid_t old_euid, uid_t old_suid, int flags); |
63 | extern void cap_task_reparent_to_init (struct task_struct *p); | |
b5376771 SH |
64 | extern int cap_task_setscheduler (struct task_struct *p, int policy, struct sched_param *lp); |
65 | extern int cap_task_setioprio (struct task_struct *p, int ioprio); | |
66 | extern int cap_task_setnice (struct task_struct *p, int nice); | |
1da177e4 | 67 | extern int cap_syslog (int type); |
20510f2f | 68 | extern int cap_vm_enough_memory(struct mm_struct *mm, long pages); |
1da177e4 LT |
69 | |
70 | struct msghdr; | |
71 | struct sk_buff; | |
72 | struct sock; | |
73 | struct sockaddr; | |
74 | struct socket; | |
df71837d TJ |
75 | struct flowi; |
76 | struct dst_entry; | |
77 | struct xfrm_selector; | |
78 | struct xfrm_policy; | |
79 | struct xfrm_state; | |
80 | struct xfrm_user_sec_ctx; | |
1da177e4 LT |
81 | |
82 | extern int cap_netlink_send(struct sock *sk, struct sk_buff *skb); | |
c7bdb545 | 83 | extern int cap_netlink_recv(struct sk_buff *skb, int cap); |
1da177e4 | 84 | |
ed032189 | 85 | extern unsigned long mmap_min_addr; |
1da177e4 LT |
86 | /* |
87 | * Values used in the task_security_ops calls | |
88 | */ | |
89 | /* setuid or setgid, id0 == uid or gid */ | |
90 | #define LSM_SETID_ID 1 | |
91 | ||
92 | /* setreuid or setregid, id0 == real, id1 == eff */ | |
93 | #define LSM_SETID_RE 2 | |
94 | ||
95 | /* setresuid or setresgid, id0 == real, id1 == eff, uid2 == saved */ | |
96 | #define LSM_SETID_RES 4 | |
97 | ||
98 | /* setfsuid or setfsgid, id0 == fsuid or fsgid */ | |
99 | #define LSM_SETID_FS 8 | |
100 | ||
101 | /* forward declares to avoid warnings */ | |
102 | struct nfsctl_arg; | |
103 | struct sched_param; | |
104 | struct swap_info_struct; | |
4237c75c | 105 | struct request_sock; |
1da177e4 LT |
106 | |
107 | /* bprm_apply_creds unsafe reasons */ | |
108 | #define LSM_UNSAFE_SHARE 1 | |
109 | #define LSM_UNSAFE_PTRACE 2 | |
110 | #define LSM_UNSAFE_PTRACE_CAP 4 | |
111 | ||
112 | #ifdef CONFIG_SECURITY | |
113 | ||
e0007529 EP |
114 | struct security_mnt_opts { |
115 | char **mnt_opts; | |
116 | int *mnt_opts_flags; | |
117 | int num_mnt_opts; | |
118 | }; | |
119 | ||
120 | static inline void security_init_mnt_opts(struct security_mnt_opts *opts) | |
121 | { | |
122 | opts->mnt_opts = NULL; | |
123 | opts->mnt_opts_flags = NULL; | |
124 | opts->num_mnt_opts = 0; | |
125 | } | |
126 | ||
127 | static inline void security_free_mnt_opts(struct security_mnt_opts *opts) | |
128 | { | |
129 | int i; | |
130 | if (opts->mnt_opts) | |
131 | for(i = 0; i < opts->num_mnt_opts; i++) | |
132 | kfree(opts->mnt_opts[i]); | |
133 | kfree(opts->mnt_opts); | |
134 | opts->mnt_opts = NULL; | |
135 | kfree(opts->mnt_opts_flags); | |
136 | opts->mnt_opts_flags = NULL; | |
137 | opts->num_mnt_opts = 0; | |
138 | } | |
139 | ||
1da177e4 LT |
140 | /** |
141 | * struct security_operations - main security structure | |
142 | * | |
076c54c5 AD |
143 | * Security module identifier. |
144 | * | |
145 | * @name: | |
146 | * A string that acts as a unique identifeir for the LSM with max number | |
147 | * of characters = SECURITY_NAME_MAX. | |
148 | * | |
1da177e4 LT |
149 | * Security hooks for program execution operations. |
150 | * | |
151 | * @bprm_alloc_security: | |
152 | * Allocate and attach a security structure to the @bprm->security field. | |
153 | * The security field is initialized to NULL when the bprm structure is | |
154 | * allocated. | |
155 | * @bprm contains the linux_binprm structure to be modified. | |
156 | * Return 0 if operation was successful. | |
157 | * @bprm_free_security: | |
158 | * @bprm contains the linux_binprm structure to be modified. | |
159 | * Deallocate and clear the @bprm->security field. | |
160 | * @bprm_apply_creds: | |
161 | * Compute and set the security attributes of a process being transformed | |
162 | * by an execve operation based on the old attributes (current->security) | |
163 | * and the information saved in @bprm->security by the set_security hook. | |
164 | * Since this hook function (and its caller) are void, this hook can not | |
165 | * return an error. However, it can leave the security attributes of the | |
166 | * process unchanged if an access failure occurs at this point. | |
167 | * bprm_apply_creds is called under task_lock. @unsafe indicates various | |
168 | * reasons why it may be unsafe to change security state. | |
169 | * @bprm contains the linux_binprm structure. | |
170 | * @bprm_post_apply_creds: | |
171 | * Runs after bprm_apply_creds with the task_lock dropped, so that | |
172 | * functions which cannot be called safely under the task_lock can | |
173 | * be used. This hook is a good place to perform state changes on | |
174 | * the process such as closing open file descriptors to which access | |
175 | * is no longer granted if the attributes were changed. | |
176 | * Note that a security module might need to save state between | |
177 | * bprm_apply_creds and bprm_post_apply_creds to store the decision | |
178 | * on whether the process may proceed. | |
179 | * @bprm contains the linux_binprm structure. | |
180 | * @bprm_set_security: | |
181 | * Save security information in the bprm->security field, typically based | |
182 | * on information about the bprm->file, for later use by the apply_creds | |
183 | * hook. This hook may also optionally check permissions (e.g. for | |
184 | * transitions between security domains). | |
185 | * This hook may be called multiple times during a single execve, e.g. for | |
186 | * interpreters. The hook can tell whether it has already been called by | |
187 | * checking to see if @bprm->security is non-NULL. If so, then the hook | |
188 | * may decide either to retain the security information saved earlier or | |
189 | * to replace it. | |
190 | * @bprm contains the linux_binprm structure. | |
191 | * Return 0 if the hook is successful and permission is granted. | |
192 | * @bprm_check_security: | |
193 | * This hook mediates the point when a search for a binary handler will | |
194 | * begin. It allows a check the @bprm->security value which is set in | |
195 | * the preceding set_security call. The primary difference from | |
196 | * set_security is that the argv list and envp list are reliably | |
197 | * available in @bprm. This hook may be called multiple times | |
198 | * during a single execve; and in each pass set_security is called | |
199 | * first. | |
200 | * @bprm contains the linux_binprm structure. | |
201 | * Return 0 if the hook is successful and permission is granted. | |
202 | * @bprm_secureexec: | |
203 | * Return a boolean value (0 or 1) indicating whether a "secure exec" | |
204 | * is required. The flag is passed in the auxiliary table | |
205 | * on the initial stack to the ELF interpreter to indicate whether libc | |
206 | * should enable secure mode. | |
207 | * @bprm contains the linux_binprm structure. | |
208 | * | |
209 | * Security hooks for filesystem operations. | |
210 | * | |
211 | * @sb_alloc_security: | |
212 | * Allocate and attach a security structure to the sb->s_security field. | |
213 | * The s_security field is initialized to NULL when the structure is | |
214 | * allocated. | |
215 | * @sb contains the super_block structure to be modified. | |
216 | * Return 0 if operation was successful. | |
217 | * @sb_free_security: | |
218 | * Deallocate and clear the sb->s_security field. | |
219 | * @sb contains the super_block structure to be modified. | |
220 | * @sb_statfs: | |
726c3342 DH |
221 | * Check permission before obtaining filesystem statistics for the @mnt |
222 | * mountpoint. | |
223 | * @dentry is a handle on the superblock for the filesystem. | |
1da177e4 LT |
224 | * Return 0 if permission is granted. |
225 | * @sb_mount: | |
226 | * Check permission before an object specified by @dev_name is mounted on | |
227 | * the mount point named by @nd. For an ordinary mount, @dev_name | |
228 | * identifies a device if the file system type requires a device. For a | |
229 | * remount (@flags & MS_REMOUNT), @dev_name is irrelevant. For a | |
230 | * loopback/bind mount (@flags & MS_BIND), @dev_name identifies the | |
231 | * pathname of the object being mounted. | |
232 | * @dev_name contains the name for object being mounted. | |
b5266eb4 | 233 | * @path contains the path for mount point object. |
1da177e4 LT |
234 | * @type contains the filesystem type. |
235 | * @flags contains the mount flags. | |
236 | * @data contains the filesystem-specific data. | |
237 | * Return 0 if permission is granted. | |
238 | * @sb_copy_data: | |
239 | * Allow mount option data to be copied prior to parsing by the filesystem, | |
240 | * so that the security module can extract security-specific mount | |
241 | * options cleanly (a filesystem may modify the data e.g. with strsep()). | |
242 | * This also allows the original mount data to be stripped of security- | |
243 | * specific options to avoid having to make filesystems aware of them. | |
244 | * @type the type of filesystem being mounted. | |
245 | * @orig the original mount data copied from userspace. | |
246 | * @copy copied data which will be passed to the security module. | |
247 | * Returns 0 if the copy was successful. | |
248 | * @sb_check_sb: | |
249 | * Check permission before the device with superblock @mnt->sb is mounted | |
250 | * on the mount point named by @nd. | |
251 | * @mnt contains the vfsmount for device being mounted. | |
b5266eb4 | 252 | * @path contains the path for the mount point. |
1da177e4 LT |
253 | * Return 0 if permission is granted. |
254 | * @sb_umount: | |
255 | * Check permission before the @mnt file system is unmounted. | |
256 | * @mnt contains the mounted file system. | |
257 | * @flags contains the unmount flags, e.g. MNT_FORCE. | |
258 | * Return 0 if permission is granted. | |
259 | * @sb_umount_close: | |
260 | * Close any files in the @mnt mounted filesystem that are held open by | |
261 | * the security module. This hook is called during an umount operation | |
262 | * prior to checking whether the filesystem is still busy. | |
263 | * @mnt contains the mounted filesystem. | |
264 | * @sb_umount_busy: | |
265 | * Handle a failed umount of the @mnt mounted filesystem, e.g. re-opening | |
266 | * any files that were closed by umount_close. This hook is called during | |
267 | * an umount operation if the umount fails after a call to the | |
268 | * umount_close hook. | |
269 | * @mnt contains the mounted filesystem. | |
270 | * @sb_post_remount: | |
271 | * Update the security module's state when a filesystem is remounted. | |
272 | * This hook is only called if the remount was successful. | |
273 | * @mnt contains the mounted file system. | |
274 | * @flags contains the new filesystem flags. | |
275 | * @data contains the filesystem-specific data. | |
1da177e4 LT |
276 | * @sb_post_addmount: |
277 | * Update the security module's state when a filesystem is mounted. | |
278 | * This hook is called any time a mount is successfully grafetd to | |
279 | * the tree. | |
280 | * @mnt contains the mounted filesystem. | |
b5266eb4 | 281 | * @mountpoint contains the path for the mount point. |
1da177e4 LT |
282 | * @sb_pivotroot: |
283 | * Check permission before pivoting the root filesystem. | |
b5266eb4 AV |
284 | * @old_path contains the path for the new location of the current root (put_old). |
285 | * @new_path contains the path for the new root (new_root). | |
1da177e4 LT |
286 | * Return 0 if permission is granted. |
287 | * @sb_post_pivotroot: | |
288 | * Update module state after a successful pivot. | |
b5266eb4 AV |
289 | * @old_path contains the path for the old root. |
290 | * @new_path contains the path for the new root. | |
c9180a57 EP |
291 | * @sb_get_mnt_opts: |
292 | * Get the security relevant mount options used for a superblock | |
293 | * @sb the superblock to get security mount options from | |
e0007529 | 294 | * @opts binary data structure containing all lsm mount data |
c9180a57 EP |
295 | * @sb_set_mnt_opts: |
296 | * Set the security relevant mount options used for a superblock | |
297 | * @sb the superblock to set security mount options for | |
e0007529 | 298 | * @opts binary data structure containing all lsm mount data |
c9180a57 EP |
299 | * @sb_clone_mnt_opts: |
300 | * Copy all security options from a given superblock to another | |
301 | * @oldsb old superblock which contain information to clone | |
302 | * @newsb new superblock which needs filled in | |
e0007529 EP |
303 | * @sb_parse_opts_str: |
304 | * Parse a string of security data filling in the opts structure | |
305 | * @options string containing all mount options known by the LSM | |
306 | * @opts binary data structure usable by the LSM | |
1da177e4 LT |
307 | * |
308 | * Security hooks for inode operations. | |
309 | * | |
310 | * @inode_alloc_security: | |
311 | * Allocate and attach a security structure to @inode->i_security. The | |
312 | * i_security field is initialized to NULL when the inode structure is | |
313 | * allocated. | |
314 | * @inode contains the inode structure. | |
315 | * Return 0 if operation was successful. | |
316 | * @inode_free_security: | |
317 | * @inode contains the inode structure. | |
318 | * Deallocate the inode security structure and set @inode->i_security to | |
319 | * NULL. | |
5e41ff9e SS |
320 | * @inode_init_security: |
321 | * Obtain the security attribute name suffix and value to set on a newly | |
322 | * created inode and set up the incore security field for the new inode. | |
323 | * This hook is called by the fs code as part of the inode creation | |
324 | * transaction and provides for atomic labeling of the inode, unlike | |
325 | * the post_create/mkdir/... hooks called by the VFS. The hook function | |
326 | * is expected to allocate the name and value via kmalloc, with the caller | |
327 | * being responsible for calling kfree after using them. | |
328 | * If the security module does not use security attributes or does | |
329 | * not wish to put a security attribute on this particular inode, | |
330 | * then it should return -EOPNOTSUPP to skip this processing. | |
331 | * @inode contains the inode structure of the newly created inode. | |
332 | * @dir contains the inode structure of the parent directory. | |
333 | * @name will be set to the allocated name suffix (e.g. selinux). | |
334 | * @value will be set to the allocated attribute value. | |
335 | * @len will be set to the length of the value. | |
336 | * Returns 0 if @name and @value have been successfully set, | |
337 | * -EOPNOTSUPP if no security attribute is needed, or | |
338 | * -ENOMEM on memory allocation failure. | |
1da177e4 LT |
339 | * @inode_create: |
340 | * Check permission to create a regular file. | |
341 | * @dir contains inode structure of the parent of the new file. | |
342 | * @dentry contains the dentry structure for the file to be created. | |
343 | * @mode contains the file mode of the file to be created. | |
344 | * Return 0 if permission is granted. | |
1da177e4 LT |
345 | * @inode_link: |
346 | * Check permission before creating a new hard link to a file. | |
347 | * @old_dentry contains the dentry structure for an existing link to the file. | |
348 | * @dir contains the inode structure of the parent directory of the new link. | |
349 | * @new_dentry contains the dentry structure for the new link. | |
350 | * Return 0 if permission is granted. | |
1da177e4 LT |
351 | * @inode_unlink: |
352 | * Check the permission to remove a hard link to a file. | |
353 | * @dir contains the inode structure of parent directory of the file. | |
354 | * @dentry contains the dentry structure for file to be unlinked. | |
355 | * Return 0 if permission is granted. | |
356 | * @inode_symlink: | |
357 | * Check the permission to create a symbolic link to a file. | |
358 | * @dir contains the inode structure of parent directory of the symbolic link. | |
359 | * @dentry contains the dentry structure of the symbolic link. | |
360 | * @old_name contains the pathname of file. | |
361 | * Return 0 if permission is granted. | |
1da177e4 LT |
362 | * @inode_mkdir: |
363 | * Check permissions to create a new directory in the existing directory | |
364 | * associated with inode strcture @dir. | |
365 | * @dir containst the inode structure of parent of the directory to be created. | |
366 | * @dentry contains the dentry structure of new directory. | |
367 | * @mode contains the mode of new directory. | |
368 | * Return 0 if permission is granted. | |
1da177e4 LT |
369 | * @inode_rmdir: |
370 | * Check the permission to remove a directory. | |
371 | * @dir contains the inode structure of parent of the directory to be removed. | |
372 | * @dentry contains the dentry structure of directory to be removed. | |
373 | * Return 0 if permission is granted. | |
374 | * @inode_mknod: | |
375 | * Check permissions when creating a special file (or a socket or a fifo | |
376 | * file created via the mknod system call). Note that if mknod operation | |
377 | * is being done for a regular file, then the create hook will be called | |
378 | * and not this hook. | |
379 | * @dir contains the inode structure of parent of the new file. | |
380 | * @dentry contains the dentry structure of the new file. | |
381 | * @mode contains the mode of the new file. | |
59c51591 | 382 | * @dev contains the device number. |
1da177e4 | 383 | * Return 0 if permission is granted. |
1da177e4 LT |
384 | * @inode_rename: |
385 | * Check for permission to rename a file or directory. | |
386 | * @old_dir contains the inode structure for parent of the old link. | |
387 | * @old_dentry contains the dentry structure of the old link. | |
388 | * @new_dir contains the inode structure for parent of the new link. | |
389 | * @new_dentry contains the dentry structure of the new link. | |
390 | * Return 0 if permission is granted. | |
1da177e4 LT |
391 | * @inode_readlink: |
392 | * Check the permission to read the symbolic link. | |
393 | * @dentry contains the dentry structure for the file link. | |
394 | * Return 0 if permission is granted. | |
395 | * @inode_follow_link: | |
396 | * Check permission to follow a symbolic link when looking up a pathname. | |
397 | * @dentry contains the dentry structure for the link. | |
398 | * @nd contains the nameidata structure for the parent directory. | |
399 | * Return 0 if permission is granted. | |
400 | * @inode_permission: | |
401 | * Check permission before accessing an inode. This hook is called by the | |
402 | * existing Linux permission function, so a security module can use it to | |
403 | * provide additional checking for existing Linux permission checks. | |
404 | * Notice that this hook is called when a file is opened (as well as many | |
405 | * other operations), whereas the file_security_ops permission hook is | |
406 | * called when the actual read/write operations are performed. | |
407 | * @inode contains the inode structure to check. | |
408 | * @mask contains the permission mask. | |
409 | * @nd contains the nameidata (may be NULL). | |
410 | * Return 0 if permission is granted. | |
411 | * @inode_setattr: | |
412 | * Check permission before setting file attributes. Note that the kernel | |
413 | * call to notify_change is performed from several locations, whenever | |
414 | * file attributes change (such as when a file is truncated, chown/chmod | |
415 | * operations, transferring disk quotas, etc). | |
416 | * @dentry contains the dentry structure for the file. | |
417 | * @attr is the iattr structure containing the new file attributes. | |
418 | * Return 0 if permission is granted. | |
419 | * @inode_getattr: | |
420 | * Check permission before obtaining file attributes. | |
421 | * @mnt is the vfsmount where the dentry was looked up | |
422 | * @dentry contains the dentry structure for the file. | |
423 | * Return 0 if permission is granted. | |
424 | * @inode_delete: | |
425 | * @inode contains the inode structure for deleted inode. | |
426 | * This hook is called when a deleted inode is released (i.e. an inode | |
427 | * with no hard links has its use count drop to zero). A security module | |
428 | * can use this hook to release any persistent label associated with the | |
429 | * inode. | |
430 | * @inode_setxattr: | |
431 | * Check permission before setting the extended attributes | |
432 | * @value identified by @name for @dentry. | |
433 | * Return 0 if permission is granted. | |
434 | * @inode_post_setxattr: | |
435 | * Update inode security field after successful setxattr operation. | |
436 | * @value identified by @name for @dentry. | |
437 | * @inode_getxattr: | |
438 | * Check permission before obtaining the extended attributes | |
439 | * identified by @name for @dentry. | |
440 | * Return 0 if permission is granted. | |
441 | * @inode_listxattr: | |
442 | * Check permission before obtaining the list of extended attribute | |
443 | * names for @dentry. | |
444 | * Return 0 if permission is granted. | |
445 | * @inode_removexattr: | |
446 | * Check permission before removing the extended attribute | |
447 | * identified by @name for @dentry. | |
448 | * Return 0 if permission is granted. | |
449 | * @inode_getsecurity: | |
42492594 DQ |
450 | * Retrieve a copy of the extended attribute representation of the |
451 | * security label associated with @name for @inode via @buffer. Note that | |
452 | * @name is the remainder of the attribute name after the security prefix | |
453 | * has been removed. @alloc is used to specify of the call should return a | |
454 | * value via the buffer or just the value length Return size of buffer on | |
455 | * success. | |
1da177e4 LT |
456 | * @inode_setsecurity: |
457 | * Set the security label associated with @name for @inode from the | |
458 | * extended attribute value @value. @size indicates the size of the | |
459 | * @value in bytes. @flags may be XATTR_CREATE, XATTR_REPLACE, or 0. | |
460 | * Note that @name is the remainder of the attribute name after the | |
461 | * security. prefix has been removed. | |
462 | * Return 0 on success. | |
463 | * @inode_listsecurity: | |
464 | * Copy the extended attribute names for the security labels | |
465 | * associated with @inode into @buffer. The maximum size of @buffer | |
466 | * is specified by @buffer_size. @buffer may be NULL to request | |
467 | * the size of the buffer required. | |
468 | * Returns number of bytes used/required on success. | |
b5376771 SH |
469 | * @inode_need_killpriv: |
470 | * Called when an inode has been changed. | |
471 | * @dentry is the dentry being changed. | |
472 | * Return <0 on error to abort the inode change operation. | |
473 | * Return 0 if inode_killpriv does not need to be called. | |
474 | * Return >0 if inode_killpriv does need to be called. | |
475 | * @inode_killpriv: | |
476 | * The setuid bit is being removed. Remove similar security labels. | |
477 | * Called with the dentry->d_inode->i_mutex held. | |
478 | * @dentry is the dentry being changed. | |
479 | * Return 0 on success. If error is returned, then the operation | |
480 | * causing setuid bit removal is failed. | |
8a076191 AD |
481 | * @inode_getsecid: |
482 | * Get the secid associated with the node. | |
483 | * @inode contains a pointer to the inode. | |
484 | * @secid contains a pointer to the location where result will be saved. | |
485 | * In case of failure, @secid will be set to zero. | |
1da177e4 LT |
486 | * |
487 | * Security hooks for file operations | |
488 | * | |
489 | * @file_permission: | |
490 | * Check file permissions before accessing an open file. This hook is | |
491 | * called by various operations that read or write files. A security | |
492 | * module can use this hook to perform additional checking on these | |
493 | * operations, e.g. to revalidate permissions on use to support privilege | |
494 | * bracketing or policy changes. Notice that this hook is used when the | |
495 | * actual read/write operations are performed, whereas the | |
496 | * inode_security_ops hook is called when a file is opened (as well as | |
497 | * many other operations). | |
498 | * Caveat: Although this hook can be used to revalidate permissions for | |
499 | * various system call operations that read or write files, it does not | |
500 | * address the revalidation of permissions for memory-mapped files. | |
501 | * Security modules must handle this separately if they need such | |
502 | * revalidation. | |
503 | * @file contains the file structure being accessed. | |
504 | * @mask contains the requested permissions. | |
505 | * Return 0 if permission is granted. | |
506 | * @file_alloc_security: | |
507 | * Allocate and attach a security structure to the file->f_security field. | |
508 | * The security field is initialized to NULL when the structure is first | |
509 | * created. | |
510 | * @file contains the file structure to secure. | |
511 | * Return 0 if the hook is successful and permission is granted. | |
512 | * @file_free_security: | |
513 | * Deallocate and free any security structures stored in file->f_security. | |
514 | * @file contains the file structure being modified. | |
515 | * @file_ioctl: | |
516 | * @file contains the file structure. | |
517 | * @cmd contains the operation to perform. | |
518 | * @arg contains the operational arguments. | |
519 | * Check permission for an ioctl operation on @file. Note that @arg can | |
520 | * sometimes represents a user space pointer; in other cases, it may be a | |
521 | * simple integer value. When @arg represents a user space pointer, it | |
522 | * should never be used by the security module. | |
523 | * Return 0 if permission is granted. | |
524 | * @file_mmap : | |
525 | * Check permissions for a mmap operation. The @file may be NULL, e.g. | |
526 | * if mapping anonymous memory. | |
527 | * @file contains the file structure for file to map (may be NULL). | |
528 | * @reqprot contains the protection requested by the application. | |
529 | * @prot contains the protection that will be applied by the kernel. | |
530 | * @flags contains the operational flags. | |
531 | * Return 0 if permission is granted. | |
532 | * @file_mprotect: | |
533 | * Check permissions before changing memory access permissions. | |
534 | * @vma contains the memory region to modify. | |
535 | * @reqprot contains the protection requested by the application. | |
536 | * @prot contains the protection that will be applied by the kernel. | |
537 | * Return 0 if permission is granted. | |
538 | * @file_lock: | |
539 | * Check permission before performing file locking operations. | |
540 | * Note: this hook mediates both flock and fcntl style locks. | |
541 | * @file contains the file structure. | |
542 | * @cmd contains the posix-translated lock operation to perform | |
543 | * (e.g. F_RDLCK, F_WRLCK). | |
544 | * Return 0 if permission is granted. | |
545 | * @file_fcntl: | |
546 | * Check permission before allowing the file operation specified by @cmd | |
547 | * from being performed on the file @file. Note that @arg can sometimes | |
548 | * represents a user space pointer; in other cases, it may be a simple | |
549 | * integer value. When @arg represents a user space pointer, it should | |
550 | * never be used by the security module. | |
551 | * @file contains the file structure. | |
552 | * @cmd contains the operation to be performed. | |
553 | * @arg contains the operational arguments. | |
554 | * Return 0 if permission is granted. | |
555 | * @file_set_fowner: | |
556 | * Save owner security information (typically from current->security) in | |
557 | * file->f_security for later use by the send_sigiotask hook. | |
558 | * @file contains the file structure to update. | |
559 | * Return 0 on success. | |
560 | * @file_send_sigiotask: | |
561 | * Check permission for the file owner @fown to send SIGIO or SIGURG to the | |
562 | * process @tsk. Note that this hook is sometimes called from interrupt. | |
563 | * Note that the fown_struct, @fown, is never outside the context of a | |
564 | * struct file, so the file structure (and associated security information) | |
565 | * can always be obtained: | |
b385a144 | 566 | * container_of(fown, struct file, f_owner) |
1da177e4 LT |
567 | * @tsk contains the structure of task receiving signal. |
568 | * @fown contains the file owner information. | |
569 | * @sig is the signal that will be sent. When 0, kernel sends SIGIO. | |
570 | * Return 0 if permission is granted. | |
571 | * @file_receive: | |
572 | * This hook allows security modules to control the ability of a process | |
573 | * to receive an open file descriptor via socket IPC. | |
574 | * @file contains the file structure being received. | |
575 | * Return 0 if permission is granted. | |
576 | * | |
788e7dd4 YN |
577 | * Security hook for dentry |
578 | * | |
579 | * @dentry_open | |
580 | * Save open-time permission checking state for later use upon | |
581 | * file_permission, and recheck access if anything has changed | |
582 | * since inode_permission. | |
583 | * | |
1da177e4 LT |
584 | * Security hooks for task operations. |
585 | * | |
586 | * @task_create: | |
587 | * Check permission before creating a child process. See the clone(2) | |
588 | * manual page for definitions of the @clone_flags. | |
589 | * @clone_flags contains the flags indicating what should be shared. | |
590 | * Return 0 if permission is granted. | |
591 | * @task_alloc_security: | |
592 | * @p contains the task_struct for child process. | |
593 | * Allocate and attach a security structure to the p->security field. The | |
594 | * security field is initialized to NULL when the task structure is | |
595 | * allocated. | |
596 | * Return 0 if operation was successful. | |
597 | * @task_free_security: | |
598 | * @p contains the task_struct for process. | |
599 | * Deallocate and clear the p->security field. | |
600 | * @task_setuid: | |
601 | * Check permission before setting one or more of the user identity | |
602 | * attributes of the current process. The @flags parameter indicates | |
603 | * which of the set*uid system calls invoked this hook and how to | |
604 | * interpret the @id0, @id1, and @id2 parameters. See the LSM_SETID | |
605 | * definitions at the beginning of this file for the @flags values and | |
606 | * their meanings. | |
607 | * @id0 contains a uid. | |
608 | * @id1 contains a uid. | |
609 | * @id2 contains a uid. | |
610 | * @flags contains one of the LSM_SETID_* values. | |
611 | * Return 0 if permission is granted. | |
612 | * @task_post_setuid: | |
613 | * Update the module's state after setting one or more of the user | |
614 | * identity attributes of the current process. The @flags parameter | |
615 | * indicates which of the set*uid system calls invoked this hook. If | |
616 | * @flags is LSM_SETID_FS, then @old_ruid is the old fs uid and the other | |
617 | * parameters are not used. | |
618 | * @old_ruid contains the old real uid (or fs uid if LSM_SETID_FS). | |
619 | * @old_euid contains the old effective uid (or -1 if LSM_SETID_FS). | |
620 | * @old_suid contains the old saved uid (or -1 if LSM_SETID_FS). | |
621 | * @flags contains one of the LSM_SETID_* values. | |
622 | * Return 0 on success. | |
623 | * @task_setgid: | |
624 | * Check permission before setting one or more of the group identity | |
625 | * attributes of the current process. The @flags parameter indicates | |
626 | * which of the set*gid system calls invoked this hook and how to | |
627 | * interpret the @id0, @id1, and @id2 parameters. See the LSM_SETID | |
628 | * definitions at the beginning of this file for the @flags values and | |
629 | * their meanings. | |
630 | * @id0 contains a gid. | |
631 | * @id1 contains a gid. | |
632 | * @id2 contains a gid. | |
633 | * @flags contains one of the LSM_SETID_* values. | |
634 | * Return 0 if permission is granted. | |
635 | * @task_setpgid: | |
636 | * Check permission before setting the process group identifier of the | |
637 | * process @p to @pgid. | |
638 | * @p contains the task_struct for process being modified. | |
639 | * @pgid contains the new pgid. | |
640 | * Return 0 if permission is granted. | |
641 | * @task_getpgid: | |
642 | * Check permission before getting the process group identifier of the | |
643 | * process @p. | |
644 | * @p contains the task_struct for the process. | |
645 | * Return 0 if permission is granted. | |
646 | * @task_getsid: | |
647 | * Check permission before getting the session identifier of the process | |
648 | * @p. | |
649 | * @p contains the task_struct for the process. | |
650 | * Return 0 if permission is granted. | |
f9008e4c DQ |
651 | * @task_getsecid: |
652 | * Retrieve the security identifier of the process @p. | |
653 | * @p contains the task_struct for the process and place is into @secid. | |
8a076191 AD |
654 | * In case of failure, @secid will be set to zero. |
655 | * | |
1da177e4 LT |
656 | * @task_setgroups: |
657 | * Check permission before setting the supplementary group set of the | |
658 | * current process. | |
659 | * @group_info contains the new group information. | |
660 | * Return 0 if permission is granted. | |
661 | * @task_setnice: | |
662 | * Check permission before setting the nice value of @p to @nice. | |
663 | * @p contains the task_struct of process. | |
664 | * @nice contains the new nice value. | |
665 | * Return 0 if permission is granted. | |
03e68060 JM |
666 | * @task_setioprio |
667 | * Check permission before setting the ioprio value of @p to @ioprio. | |
668 | * @p contains the task_struct of process. | |
669 | * @ioprio contains the new ioprio value | |
670 | * Return 0 if permission is granted. | |
a1836a42 DQ |
671 | * @task_getioprio |
672 | * Check permission before getting the ioprio value of @p. | |
673 | * @p contains the task_struct of process. | |
674 | * Return 0 if permission is granted. | |
1da177e4 LT |
675 | * @task_setrlimit: |
676 | * Check permission before setting the resource limits of the current | |
677 | * process for @resource to @new_rlim. The old resource limit values can | |
678 | * be examined by dereferencing (current->signal->rlim + resource). | |
679 | * @resource contains the resource whose limit is being set. | |
680 | * @new_rlim contains the new limits for @resource. | |
681 | * Return 0 if permission is granted. | |
682 | * @task_setscheduler: | |
683 | * Check permission before setting scheduling policy and/or parameters of | |
684 | * process @p based on @policy and @lp. | |
685 | * @p contains the task_struct for process. | |
686 | * @policy contains the scheduling policy. | |
687 | * @lp contains the scheduling parameters. | |
688 | * Return 0 if permission is granted. | |
689 | * @task_getscheduler: | |
690 | * Check permission before obtaining scheduling information for process | |
691 | * @p. | |
692 | * @p contains the task_struct for process. | |
693 | * Return 0 if permission is granted. | |
35601547 DQ |
694 | * @task_movememory |
695 | * Check permission before moving memory owned by process @p. | |
696 | * @p contains the task_struct for process. | |
697 | * Return 0 if permission is granted. | |
1da177e4 LT |
698 | * @task_kill: |
699 | * Check permission before sending signal @sig to @p. @info can be NULL, | |
700 | * the constant 1, or a pointer to a siginfo structure. If @info is 1 or | |
701 | * SI_FROMKERNEL(info) is true, then the signal should be viewed as coming | |
702 | * from the kernel and should typically be permitted. | |
703 | * SIGIO signals are handled separately by the send_sigiotask hook in | |
704 | * file_security_ops. | |
705 | * @p contains the task_struct for process. | |
706 | * @info contains the signal information. | |
707 | * @sig contains the signal value. | |
f9008e4c | 708 | * @secid contains the sid of the process where the signal originated |
1da177e4 LT |
709 | * Return 0 if permission is granted. |
710 | * @task_wait: | |
711 | * Check permission before allowing a process to reap a child process @p | |
712 | * and collect its status information. | |
713 | * @p contains the task_struct for process. | |
714 | * Return 0 if permission is granted. | |
715 | * @task_prctl: | |
716 | * Check permission before performing a process control operation on the | |
717 | * current process. | |
718 | * @option contains the operation. | |
719 | * @arg2 contains a argument. | |
720 | * @arg3 contains a argument. | |
721 | * @arg4 contains a argument. | |
722 | * @arg5 contains a argument. | |
723 | * Return 0 if permission is granted. | |
724 | * @task_reparent_to_init: | |
725 | * Set the security attributes in @p->security for a kernel thread that | |
726 | * is being reparented to the init task. | |
727 | * @p contains the task_struct for the kernel thread. | |
728 | * @task_to_inode: | |
729 | * Set the security attributes for an inode based on an associated task's | |
730 | * security attributes, e.g. for /proc/pid inodes. | |
731 | * @p contains the task_struct for the task. | |
732 | * @inode contains the inode structure for the inode. | |
733 | * | |
734 | * Security hooks for Netlink messaging. | |
735 | * | |
736 | * @netlink_send: | |
737 | * Save security information for a netlink message so that permission | |
738 | * checking can be performed when the message is processed. The security | |
739 | * information can be saved using the eff_cap field of the | |
740 | * netlink_skb_parms structure. Also may be used to provide fine | |
741 | * grained control over message transmission. | |
742 | * @sk associated sock of task sending the message., | |
743 | * @skb contains the sk_buff structure for the netlink message. | |
744 | * Return 0 if the information was successfully saved and message | |
745 | * is allowed to be transmitted. | |
746 | * @netlink_recv: | |
747 | * Check permission before processing the received netlink message in | |
748 | * @skb. | |
749 | * @skb contains the sk_buff structure for the netlink message. | |
c7bdb545 | 750 | * @cap indicates the capability required |
1da177e4 LT |
751 | * Return 0 if permission is granted. |
752 | * | |
753 | * Security hooks for Unix domain networking. | |
754 | * | |
755 | * @unix_stream_connect: | |
756 | * Check permissions before establishing a Unix domain stream connection | |
757 | * between @sock and @other. | |
758 | * @sock contains the socket structure. | |
759 | * @other contains the peer socket structure. | |
760 | * Return 0 if permission is granted. | |
761 | * @unix_may_send: | |
762 | * Check permissions before connecting or sending datagrams from @sock to | |
763 | * @other. | |
764 | * @sock contains the socket structure. | |
765 | * @sock contains the peer socket structure. | |
766 | * Return 0 if permission is granted. | |
767 | * | |
768 | * The @unix_stream_connect and @unix_may_send hooks were necessary because | |
769 | * Linux provides an alternative to the conventional file name space for Unix | |
770 | * domain sockets. Whereas binding and connecting to sockets in the file name | |
771 | * space is mediated by the typical file permissions (and caught by the mknod | |
772 | * and permission hooks in inode_security_ops), binding and connecting to | |
773 | * sockets in the abstract name space is completely unmediated. Sufficient | |
774 | * control of Unix domain sockets in the abstract name space isn't possible | |
775 | * using only the socket layer hooks, since we need to know the actual target | |
776 | * socket, which is not looked up until we are inside the af_unix code. | |
777 | * | |
778 | * Security hooks for socket operations. | |
779 | * | |
780 | * @socket_create: | |
781 | * Check permissions prior to creating a new socket. | |
782 | * @family contains the requested protocol family. | |
783 | * @type contains the requested communications type. | |
784 | * @protocol contains the requested protocol. | |
785 | * @kern set to 1 if a kernel socket. | |
786 | * Return 0 if permission is granted. | |
787 | * @socket_post_create: | |
788 | * This hook allows a module to update or allocate a per-socket security | |
789 | * structure. Note that the security field was not added directly to the | |
790 | * socket structure, but rather, the socket security information is stored | |
791 | * in the associated inode. Typically, the inode alloc_security hook will | |
792 | * allocate and and attach security information to | |
793 | * sock->inode->i_security. This hook may be used to update the | |
794 | * sock->inode->i_security field with additional information that wasn't | |
795 | * available when the inode was allocated. | |
796 | * @sock contains the newly created socket structure. | |
797 | * @family contains the requested protocol family. | |
798 | * @type contains the requested communications type. | |
799 | * @protocol contains the requested protocol. | |
800 | * @kern set to 1 if a kernel socket. | |
801 | * @socket_bind: | |
802 | * Check permission before socket protocol layer bind operation is | |
803 | * performed and the socket @sock is bound to the address specified in the | |
804 | * @address parameter. | |
805 | * @sock contains the socket structure. | |
806 | * @address contains the address to bind to. | |
807 | * @addrlen contains the length of address. | |
808 | * Return 0 if permission is granted. | |
809 | * @socket_connect: | |
810 | * Check permission before socket protocol layer connect operation | |
811 | * attempts to connect socket @sock to a remote address, @address. | |
812 | * @sock contains the socket structure. | |
813 | * @address contains the address of remote endpoint. | |
814 | * @addrlen contains the length of address. | |
815 | * Return 0 if permission is granted. | |
816 | * @socket_listen: | |
817 | * Check permission before socket protocol layer listen operation. | |
818 | * @sock contains the socket structure. | |
819 | * @backlog contains the maximum length for the pending connection queue. | |
820 | * Return 0 if permission is granted. | |
821 | * @socket_accept: | |
822 | * Check permission before accepting a new connection. Note that the new | |
823 | * socket, @newsock, has been created and some information copied to it, | |
824 | * but the accept operation has not actually been performed. | |
825 | * @sock contains the listening socket structure. | |
826 | * @newsock contains the newly created server socket for connection. | |
827 | * Return 0 if permission is granted. | |
828 | * @socket_post_accept: | |
829 | * This hook allows a security module to copy security | |
830 | * information into the newly created socket's inode. | |
831 | * @sock contains the listening socket structure. | |
832 | * @newsock contains the newly created server socket for connection. | |
833 | * @socket_sendmsg: | |
834 | * Check permission before transmitting a message to another socket. | |
835 | * @sock contains the socket structure. | |
836 | * @msg contains the message to be transmitted. | |
837 | * @size contains the size of message. | |
838 | * Return 0 if permission is granted. | |
839 | * @socket_recvmsg: | |
840 | * Check permission before receiving a message from a socket. | |
841 | * @sock contains the socket structure. | |
842 | * @msg contains the message structure. | |
843 | * @size contains the size of message structure. | |
844 | * @flags contains the operational flags. | |
845 | * Return 0 if permission is granted. | |
846 | * @socket_getsockname: | |
847 | * Check permission before the local address (name) of the socket object | |
848 | * @sock is retrieved. | |
849 | * @sock contains the socket structure. | |
850 | * Return 0 if permission is granted. | |
851 | * @socket_getpeername: | |
852 | * Check permission before the remote address (name) of a socket object | |
853 | * @sock is retrieved. | |
854 | * @sock contains the socket structure. | |
855 | * Return 0 if permission is granted. | |
856 | * @socket_getsockopt: | |
857 | * Check permissions before retrieving the options associated with socket | |
858 | * @sock. | |
859 | * @sock contains the socket structure. | |
860 | * @level contains the protocol level to retrieve option from. | |
861 | * @optname contains the name of option to retrieve. | |
862 | * Return 0 if permission is granted. | |
863 | * @socket_setsockopt: | |
864 | * Check permissions before setting the options associated with socket | |
865 | * @sock. | |
866 | * @sock contains the socket structure. | |
867 | * @level contains the protocol level to set options for. | |
868 | * @optname contains the name of the option to set. | |
869 | * Return 0 if permission is granted. | |
870 | * @socket_shutdown: | |
871 | * Checks permission before all or part of a connection on the socket | |
872 | * @sock is shut down. | |
873 | * @sock contains the socket structure. | |
874 | * @how contains the flag indicating how future sends and receives are handled. | |
875 | * Return 0 if permission is granted. | |
876 | * @socket_sock_rcv_skb: | |
877 | * Check permissions on incoming network packets. This hook is distinct | |
878 | * from Netfilter's IP input hooks since it is the first time that the | |
879 | * incoming sk_buff @skb has been associated with a particular socket, @sk. | |
880 | * @sk contains the sock (not socket) associated with the incoming sk_buff. | |
881 | * @skb contains the incoming network data. | |
6da34bae | 882 | * @socket_getpeersec_stream: |
1da177e4 | 883 | * This hook allows the security module to provide peer socket security |
6da34bae SH |
884 | * state for unix or connected tcp sockets to userspace via getsockopt |
885 | * SO_GETPEERSEC. For tcp sockets this can be meaningful if the | |
886 | * socket is associated with an ipsec SA. | |
1da177e4 LT |
887 | * @sock is the local socket. |
888 | * @optval userspace memory where the security state is to be copied. | |
889 | * @optlen userspace int where the module should copy the actual length | |
890 | * of the security state. | |
891 | * @len as input is the maximum length to copy to userspace provided | |
892 | * by the caller. | |
893 | * Return 0 if all is well, otherwise, typical getsockopt return | |
894 | * values. | |
6da34bae SH |
895 | * @socket_getpeersec_dgram: |
896 | * This hook allows the security module to provide peer socket security | |
897 | * state for udp sockets on a per-packet basis to userspace via | |
898 | * getsockopt SO_GETPEERSEC. The application must first have indicated | |
899 | * the IP_PASSSEC option via getsockopt. It can then retrieve the | |
900 | * security state returned by this hook for a packet via the SCM_SECURITY | |
901 | * ancillary message type. | |
902 | * @skb is the skbuff for the packet being queried | |
903 | * @secdata is a pointer to a buffer in which to copy the security data | |
904 | * @seclen is the maximum length for @secdata | |
905 | * Return 0 on success, error on failure. | |
1da177e4 LT |
906 | * @sk_alloc_security: |
907 | * Allocate and attach a security structure to the sk->sk_security field, | |
908 | * which is used to copy security attributes between local stream sockets. | |
909 | * @sk_free_security: | |
910 | * Deallocate security structure. | |
892c141e VY |
911 | * @sk_clone_security: |
912 | * Clone/copy security structure. | |
beb8d13b VY |
913 | * @sk_getsecid: |
914 | * Retrieve the LSM-specific secid for the sock to enable caching of network | |
df71837d | 915 | * authorizations. |
4237c75c VY |
916 | * @sock_graft: |
917 | * Sets the socket's isec sid to the sock's sid. | |
918 | * @inet_conn_request: | |
919 | * Sets the openreq's sid to socket's sid with MLS portion taken from peer sid. | |
920 | * @inet_csk_clone: | |
921 | * Sets the new child socket's sid to the openreq sid. | |
6b877699 VY |
922 | * @inet_conn_established: |
923 | * Sets the connection's peersid to the secmark on skb. | |
4237c75c VY |
924 | * @req_classify_flow: |
925 | * Sets the flow's sid to the openreq sid. | |
df71837d TJ |
926 | * |
927 | * Security hooks for XFRM operations. | |
928 | * | |
929 | * @xfrm_policy_alloc_security: | |
03e1ad7b PM |
930 | * @ctxp is a pointer to the xfrm_sec_ctx being added to Security Policy |
931 | * Database used by the XFRM system. | |
df71837d TJ |
932 | * @sec_ctx contains the security context information being provided by |
933 | * the user-level policy update program (e.g., setkey). | |
e0d1caa7 | 934 | * Allocate a security structure to the xp->security field; the security |
c1a856c9 | 935 | * field is initialized to NULL when the xfrm_policy is allocated. |
df71837d TJ |
936 | * Return 0 if operation was successful (memory to allocate, legal context) |
937 | * @xfrm_policy_clone_security: | |
03e1ad7b PM |
938 | * @old_ctx contains an existing xfrm_sec_ctx. |
939 | * @new_ctxp contains a new xfrm_sec_ctx being cloned from old. | |
940 | * Allocate a security structure in new_ctxp that contains the | |
941 | * information from the old_ctx structure. | |
df71837d TJ |
942 | * Return 0 if operation was successful (memory to allocate). |
943 | * @xfrm_policy_free_security: | |
03e1ad7b | 944 | * @ctx contains the xfrm_sec_ctx |
c8c05a8e CZ |
945 | * Deallocate xp->security. |
946 | * @xfrm_policy_delete_security: | |
03e1ad7b | 947 | * @ctx contains the xfrm_sec_ctx. |
c8c05a8e | 948 | * Authorize deletion of xp->security. |
df71837d TJ |
949 | * @xfrm_state_alloc_security: |
950 | * @x contains the xfrm_state being added to the Security Association | |
951 | * Database by the XFRM system. | |
952 | * @sec_ctx contains the security context information being provided by | |
953 | * the user-level SA generation program (e.g., setkey or racoon). | |
e0d1caa7 VY |
954 | * @secid contains the secid from which to take the mls portion of the context. |
955 | * Allocate a security structure to the x->security field; the security | |
956 | * field is initialized to NULL when the xfrm_state is allocated. Set the | |
957 | * context to correspond to either sec_ctx or polsec, with the mls portion | |
958 | * taken from secid in the latter case. | |
df71837d TJ |
959 | * Return 0 if operation was successful (memory to allocate, legal context). |
960 | * @xfrm_state_free_security: | |
961 | * @x contains the xfrm_state. | |
c8c05a8e CZ |
962 | * Deallocate x->security. |
963 | * @xfrm_state_delete_security: | |
964 | * @x contains the xfrm_state. | |
965 | * Authorize deletion of x->security. | |
df71837d | 966 | * @xfrm_policy_lookup: |
03e1ad7b | 967 | * @ctx contains the xfrm_sec_ctx for which the access control is being |
df71837d | 968 | * checked. |
e0d1caa7 | 969 | * @fl_secid contains the flow security label that is used to authorize |
df71837d TJ |
970 | * access to the policy xp. |
971 | * @dir contains the direction of the flow (input or output). | |
e0d1caa7 | 972 | * Check permission when a flow selects a xfrm_policy for processing |
df71837d TJ |
973 | * XFRMs on a packet. The hook is called when selecting either a |
974 | * per-socket policy or a generic xfrm policy. | |
5b368e61 VY |
975 | * Return 0 if permission is granted, -ESRCH otherwise, or -errno |
976 | * on other errors. | |
e0d1caa7 VY |
977 | * @xfrm_state_pol_flow_match: |
978 | * @x contains the state to match. | |
979 | * @xp contains the policy to check for a match. | |
980 | * @fl contains the flow to check for a match. | |
981 | * Return 1 if there is a match. | |
e0d1caa7 VY |
982 | * @xfrm_decode_session: |
983 | * @skb points to skb to decode. | |
beb8d13b VY |
984 | * @secid points to the flow key secid to set. |
985 | * @ckall says if all xfrms used should be checked for same secid. | |
986 | * Return 0 if ckall is zero or all xfrms used have the same secid. | |
1da177e4 | 987 | * |
29db9190 DH |
988 | * Security hooks affecting all Key Management operations |
989 | * | |
990 | * @key_alloc: | |
991 | * Permit allocation of a key and assign security data. Note that key does | |
992 | * not have a serial number assigned at this point. | |
993 | * @key points to the key. | |
7e047ef5 | 994 | * @flags is the allocation flags |
29db9190 DH |
995 | * Return 0 if permission is granted, -ve error otherwise. |
996 | * @key_free: | |
997 | * Notification of destruction; free security data. | |
998 | * @key points to the key. | |
999 | * No return value. | |
1000 | * @key_permission: | |
1001 | * See whether a specific operational right is granted to a process on a | |
1002 | * key. | |
1003 | * @key_ref refers to the key (key pointer + possession attribute bit). | |
1004 | * @context points to the process to provide the context against which to | |
1005 | * evaluate the security data on the key. | |
1006 | * @perm describes the combination of permissions required of this key. | |
1007 | * Return 1 if permission granted, 0 if permission denied and -ve it the | |
1008 | * normal permissions model should be effected. | |
1009 | * | |
1da177e4 LT |
1010 | * Security hooks affecting all System V IPC operations. |
1011 | * | |
1012 | * @ipc_permission: | |
1013 | * Check permissions for access to IPC | |
1014 | * @ipcp contains the kernel IPC permission structure | |
1015 | * @flag contains the desired (requested) permission set | |
1016 | * Return 0 if permission is granted. | |
8a076191 AD |
1017 | * @ipc_getsecid: |
1018 | * Get the secid associated with the ipc object. | |
1019 | * @ipcp contains the kernel IPC permission structure. | |
1020 | * @secid contains a pointer to the location where result will be saved. | |
1021 | * In case of failure, @secid will be set to zero. | |
1da177e4 LT |
1022 | * |
1023 | * Security hooks for individual messages held in System V IPC message queues | |
1024 | * @msg_msg_alloc_security: | |
1025 | * Allocate and attach a security structure to the msg->security field. | |
1026 | * The security field is initialized to NULL when the structure is first | |
1027 | * created. | |
1028 | * @msg contains the message structure to be modified. | |
1029 | * Return 0 if operation was successful and permission is granted. | |
1030 | * @msg_msg_free_security: | |
1031 | * Deallocate the security structure for this message. | |
1032 | * @msg contains the message structure to be modified. | |
1033 | * | |
1034 | * Security hooks for System V IPC Message Queues | |
1035 | * | |
1036 | * @msg_queue_alloc_security: | |
1037 | * Allocate and attach a security structure to the | |
1038 | * msq->q_perm.security field. The security field is initialized to | |
1039 | * NULL when the structure is first created. | |
1040 | * @msq contains the message queue structure to be modified. | |
1041 | * Return 0 if operation was successful and permission is granted. | |
1042 | * @msg_queue_free_security: | |
1043 | * Deallocate security structure for this message queue. | |
1044 | * @msq contains the message queue structure to be modified. | |
1045 | * @msg_queue_associate: | |
1046 | * Check permission when a message queue is requested through the | |
1047 | * msgget system call. This hook is only called when returning the | |
1048 | * message queue identifier for an existing message queue, not when a | |
1049 | * new message queue is created. | |
1050 | * @msq contains the message queue to act upon. | |
1051 | * @msqflg contains the operation control flags. | |
1052 | * Return 0 if permission is granted. | |
1053 | * @msg_queue_msgctl: | |
1054 | * Check permission when a message control operation specified by @cmd | |
1055 | * is to be performed on the message queue @msq. | |
1056 | * The @msq may be NULL, e.g. for IPC_INFO or MSG_INFO. | |
1057 | * @msq contains the message queue to act upon. May be NULL. | |
1058 | * @cmd contains the operation to be performed. | |
1059 | * Return 0 if permission is granted. | |
1060 | * @msg_queue_msgsnd: | |
1061 | * Check permission before a message, @msg, is enqueued on the message | |
1062 | * queue, @msq. | |
1063 | * @msq contains the message queue to send message to. | |
1064 | * @msg contains the message to be enqueued. | |
1065 | * @msqflg contains operational flags. | |
1066 | * Return 0 if permission is granted. | |
1067 | * @msg_queue_msgrcv: | |
1068 | * Check permission before a message, @msg, is removed from the message | |
1069 | * queue, @msq. The @target task structure contains a pointer to the | |
1070 | * process that will be receiving the message (not equal to the current | |
1071 | * process when inline receives are being performed). | |
1072 | * @msq contains the message queue to retrieve message from. | |
1073 | * @msg contains the message destination. | |
1074 | * @target contains the task structure for recipient process. | |
1075 | * @type contains the type of message requested. | |
1076 | * @mode contains the operational flags. | |
1077 | * Return 0 if permission is granted. | |
1078 | * | |
1079 | * Security hooks for System V Shared Memory Segments | |
1080 | * | |
1081 | * @shm_alloc_security: | |
1082 | * Allocate and attach a security structure to the shp->shm_perm.security | |
1083 | * field. The security field is initialized to NULL when the structure is | |
1084 | * first created. | |
1085 | * @shp contains the shared memory structure to be modified. | |
1086 | * Return 0 if operation was successful and permission is granted. | |
1087 | * @shm_free_security: | |
1088 | * Deallocate the security struct for this memory segment. | |
1089 | * @shp contains the shared memory structure to be modified. | |
1090 | * @shm_associate: | |
1091 | * Check permission when a shared memory region is requested through the | |
1092 | * shmget system call. This hook is only called when returning the shared | |
1093 | * memory region identifier for an existing region, not when a new shared | |
1094 | * memory region is created. | |
1095 | * @shp contains the shared memory structure to be modified. | |
1096 | * @shmflg contains the operation control flags. | |
1097 | * Return 0 if permission is granted. | |
1098 | * @shm_shmctl: | |
1099 | * Check permission when a shared memory control operation specified by | |
1100 | * @cmd is to be performed on the shared memory region @shp. | |
1101 | * The @shp may be NULL, e.g. for IPC_INFO or SHM_INFO. | |
1102 | * @shp contains shared memory structure to be modified. | |
1103 | * @cmd contains the operation to be performed. | |
1104 | * Return 0 if permission is granted. | |
1105 | * @shm_shmat: | |
1106 | * Check permissions prior to allowing the shmat system call to attach the | |
1107 | * shared memory segment @shp to the data segment of the calling process. | |
1108 | * The attaching address is specified by @shmaddr. | |
1109 | * @shp contains the shared memory structure to be modified. | |
1110 | * @shmaddr contains the address to attach memory region to. | |
1111 | * @shmflg contains the operational flags. | |
1112 | * Return 0 if permission is granted. | |
1113 | * | |
1114 | * Security hooks for System V Semaphores | |
1115 | * | |
1116 | * @sem_alloc_security: | |
1117 | * Allocate and attach a security structure to the sma->sem_perm.security | |
1118 | * field. The security field is initialized to NULL when the structure is | |
1119 | * first created. | |
1120 | * @sma contains the semaphore structure | |
1121 | * Return 0 if operation was successful and permission is granted. | |
1122 | * @sem_free_security: | |
1123 | * deallocate security struct for this semaphore | |
1124 | * @sma contains the semaphore structure. | |
1125 | * @sem_associate: | |
1126 | * Check permission when a semaphore is requested through the semget | |
1127 | * system call. This hook is only called when returning the semaphore | |
1128 | * identifier for an existing semaphore, not when a new one must be | |
1129 | * created. | |
1130 | * @sma contains the semaphore structure. | |
1131 | * @semflg contains the operation control flags. | |
1132 | * Return 0 if permission is granted. | |
1133 | * @sem_semctl: | |
1134 | * Check permission when a semaphore operation specified by @cmd is to be | |
1135 | * performed on the semaphore @sma. The @sma may be NULL, e.g. for | |
1136 | * IPC_INFO or SEM_INFO. | |
1137 | * @sma contains the semaphore structure. May be NULL. | |
1138 | * @cmd contains the operation to be performed. | |
1139 | * Return 0 if permission is granted. | |
1140 | * @sem_semop | |
1141 | * Check permissions before performing operations on members of the | |
1142 | * semaphore set @sma. If the @alter flag is nonzero, the semaphore set | |
1143 | * may be modified. | |
1144 | * @sma contains the semaphore structure. | |
1145 | * @sops contains the operations to perform. | |
1146 | * @nsops contains the number of operations to perform. | |
1147 | * @alter contains the flag indicating whether changes are to be made. | |
1148 | * Return 0 if permission is granted. | |
1149 | * | |
1150 | * @ptrace: | |
1151 | * Check permission before allowing the @parent process to trace the | |
1152 | * @child process. | |
1153 | * Security modules may also want to perform a process tracing check | |
1154 | * during an execve in the set_security or apply_creds hooks of | |
1155 | * binprm_security_ops if the process is being traced and its security | |
1156 | * attributes would be changed by the execve. | |
1157 | * @parent contains the task_struct structure for parent process. | |
1158 | * @child contains the task_struct structure for child process. | |
1159 | * Return 0 if permission is granted. | |
1160 | * @capget: | |
1161 | * Get the @effective, @inheritable, and @permitted capability sets for | |
1162 | * the @target process. The hook may also perform permission checking to | |
1163 | * determine if the current process is allowed to see the capability sets | |
1164 | * of the @target process. | |
1165 | * @target contains the task_struct structure for target process. | |
1166 | * @effective contains the effective capability set. | |
1167 | * @inheritable contains the inheritable capability set. | |
1168 | * @permitted contains the permitted capability set. | |
1169 | * Return 0 if the capability sets were successfully obtained. | |
1170 | * @capset_check: | |
1171 | * Check permission before setting the @effective, @inheritable, and | |
1172 | * @permitted capability sets for the @target process. | |
1173 | * Caveat: @target is also set to current if a set of processes is | |
1174 | * specified (i.e. all processes other than current and init or a | |
1175 | * particular process group). Hence, the capset_set hook may need to | |
1176 | * revalidate permission to the actual target process. | |
1177 | * @target contains the task_struct structure for target process. | |
1178 | * @effective contains the effective capability set. | |
1179 | * @inheritable contains the inheritable capability set. | |
1180 | * @permitted contains the permitted capability set. | |
1181 | * Return 0 if permission is granted. | |
1182 | * @capset_set: | |
1183 | * Set the @effective, @inheritable, and @permitted capability sets for | |
1184 | * the @target process. Since capset_check cannot always check permission | |
1185 | * to the real @target process, this hook may also perform permission | |
1186 | * checking to determine if the current process is allowed to set the | |
1187 | * capability sets of the @target process. However, this hook has no way | |
1188 | * of returning an error due to the structure of the sys_capset code. | |
1189 | * @target contains the task_struct structure for target process. | |
1190 | * @effective contains the effective capability set. | |
1191 | * @inheritable contains the inheritable capability set. | |
1192 | * @permitted contains the permitted capability set. | |
12b5989b CW |
1193 | * @capable: |
1194 | * Check whether the @tsk process has the @cap capability. | |
1195 | * @tsk contains the task_struct for the process. | |
1196 | * @cap contains the capability <include/linux/capability.h>. | |
1197 | * Return 0 if the capability is granted for @tsk. | |
1da177e4 LT |
1198 | * @acct: |
1199 | * Check permission before enabling or disabling process accounting. If | |
1200 | * accounting is being enabled, then @file refers to the open file used to | |
1201 | * store accounting records. If accounting is being disabled, then @file | |
1202 | * is NULL. | |
1203 | * @file contains the file structure for the accounting file (may be NULL). | |
1204 | * Return 0 if permission is granted. | |
1205 | * @sysctl: | |
1206 | * Check permission before accessing the @table sysctl variable in the | |
1207 | * manner specified by @op. | |
1208 | * @table contains the ctl_table structure for the sysctl variable. | |
1209 | * @op contains the operation (001 = search, 002 = write, 004 = read). | |
1210 | * Return 0 if permission is granted. | |
1da177e4 LT |
1211 | * @syslog: |
1212 | * Check permission before accessing the kernel message ring or changing | |
1213 | * logging to the console. | |
1214 | * See the syslog(2) manual page for an explanation of the @type values. | |
1215 | * @type contains the type of action. | |
1216 | * Return 0 if permission is granted. | |
1217 | * @settime: | |
1218 | * Check permission to change the system time. | |
1219 | * struct timespec and timezone are defined in include/linux/time.h | |
1220 | * @ts contains new time | |
1221 | * @tz contains new timezone | |
1222 | * Return 0 if permission is granted. | |
1223 | * @vm_enough_memory: | |
1224 | * Check permissions for allocating a new virtual mapping. | |
34b4e4aa | 1225 | * @mm contains the mm struct it is being added to. |
1da177e4 LT |
1226 | * @pages contains the number of pages. |
1227 | * Return 0 if permission is granted. | |
1228 | * | |
1229 | * @register_security: | |
1230 | * allow module stacking. | |
1231 | * @name contains the name of the security module being stacked. | |
1232 | * @ops contains a pointer to the struct security_operations of the module to stack. | |
1da177e4 | 1233 | * |
dc49c1f9 CZ |
1234 | * @secid_to_secctx: |
1235 | * Convert secid to security context. | |
1236 | * @secid contains the security ID. | |
1237 | * @secdata contains the pointer that stores the converted security context. | |
63cb3449 DH |
1238 | * @secctx_to_secid: |
1239 | * Convert security context to secid. | |
1240 | * @secid contains the pointer to the generated security ID. | |
1241 | * @secdata contains the security context. | |
dc49c1f9 CZ |
1242 | * |
1243 | * @release_secctx: | |
1244 | * Release the security context. | |
1245 | * @secdata contains the security context. | |
1246 | * @seclen contains the length of the security context. | |
1247 | * | |
03d37d25 AD |
1248 | * Security hooks for Audit |
1249 | * | |
1250 | * @audit_rule_init: | |
1251 | * Allocate and initialize an LSM audit rule structure. | |
1252 | * @field contains the required Audit action. Fields flags are defined in include/linux/audit.h | |
1253 | * @op contains the operator the rule uses. | |
1254 | * @rulestr contains the context where the rule will be applied to. | |
1255 | * @lsmrule contains a pointer to receive the result. | |
1256 | * Return 0 if @lsmrule has been successfully set, | |
1257 | * -EINVAL in case of an invalid rule. | |
1258 | * | |
1259 | * @audit_rule_known: | |
1260 | * Specifies whether given @rule contains any fields related to current LSM. | |
1261 | * @rule contains the audit rule of interest. | |
1262 | * Return 1 in case of relation found, 0 otherwise. | |
1263 | * | |
1264 | * @audit_rule_match: | |
1265 | * Determine if given @secid matches a rule previously approved | |
1266 | * by @audit_rule_known. | |
1267 | * @secid contains the security id in question. | |
1268 | * @field contains the field which relates to current LSM. | |
1269 | * @op contains the operator that will be used for matching. | |
1270 | * @rule points to the audit rule that will be checked against. | |
1271 | * @actx points to the audit context associated with the check. | |
1272 | * Return 1 if secid matches the rule, 0 if it does not, -ERRNO on failure. | |
1273 | * | |
1274 | * @audit_rule_free: | |
1275 | * Deallocate the LSM audit rule structure previously allocated by | |
1276 | * audit_rule_init. | |
1277 | * @rule contains the allocated rule | |
1278 | * | |
1da177e4 LT |
1279 | * This is the main security structure. |
1280 | */ | |
1281 | struct security_operations { | |
076c54c5 AD |
1282 | char name[SECURITY_NAME_MAX + 1]; |
1283 | ||
1da177e4 LT |
1284 | int (*ptrace) (struct task_struct * parent, struct task_struct * child); |
1285 | int (*capget) (struct task_struct * target, | |
1286 | kernel_cap_t * effective, | |
1287 | kernel_cap_t * inheritable, kernel_cap_t * permitted); | |
1288 | int (*capset_check) (struct task_struct * target, | |
1289 | kernel_cap_t * effective, | |
1290 | kernel_cap_t * inheritable, | |
1291 | kernel_cap_t * permitted); | |
1292 | void (*capset_set) (struct task_struct * target, | |
1293 | kernel_cap_t * effective, | |
1294 | kernel_cap_t * inheritable, | |
1295 | kernel_cap_t * permitted); | |
12b5989b | 1296 | int (*capable) (struct task_struct * tsk, int cap); |
1da177e4 LT |
1297 | int (*acct) (struct file * file); |
1298 | int (*sysctl) (struct ctl_table * table, int op); | |
1da177e4 LT |
1299 | int (*quotactl) (int cmds, int type, int id, struct super_block * sb); |
1300 | int (*quota_on) (struct dentry * dentry); | |
1301 | int (*syslog) (int type); | |
1302 | int (*settime) (struct timespec *ts, struct timezone *tz); | |
34b4e4aa | 1303 | int (*vm_enough_memory) (struct mm_struct *mm, long pages); |
1da177e4 LT |
1304 | |
1305 | int (*bprm_alloc_security) (struct linux_binprm * bprm); | |
1306 | void (*bprm_free_security) (struct linux_binprm * bprm); | |
1307 | void (*bprm_apply_creds) (struct linux_binprm * bprm, int unsafe); | |
1308 | void (*bprm_post_apply_creds) (struct linux_binprm * bprm); | |
1309 | int (*bprm_set_security) (struct linux_binprm * bprm); | |
1310 | int (*bprm_check_security) (struct linux_binprm * bprm); | |
1311 | int (*bprm_secureexec) (struct linux_binprm * bprm); | |
1312 | ||
1313 | int (*sb_alloc_security) (struct super_block * sb); | |
1314 | void (*sb_free_security) (struct super_block * sb); | |
e0007529 | 1315 | int (*sb_copy_data)(char *orig, char *copy); |
1da177e4 | 1316 | int (*sb_kern_mount) (struct super_block *sb, void *data); |
726c3342 | 1317 | int (*sb_statfs) (struct dentry *dentry); |
b5266eb4 | 1318 | int (*sb_mount) (char *dev_name, struct path *path, |
1da177e4 | 1319 | char *type, unsigned long flags, void *data); |
b5266eb4 | 1320 | int (*sb_check_sb) (struct vfsmount * mnt, struct path *path); |
1da177e4 LT |
1321 | int (*sb_umount) (struct vfsmount * mnt, int flags); |
1322 | void (*sb_umount_close) (struct vfsmount * mnt); | |
1323 | void (*sb_umount_busy) (struct vfsmount * mnt); | |
1324 | void (*sb_post_remount) (struct vfsmount * mnt, | |
1325 | unsigned long flags, void *data); | |
1da177e4 | 1326 | void (*sb_post_addmount) (struct vfsmount * mnt, |
b5266eb4 AV |
1327 | struct path *mountpoint); |
1328 | int (*sb_pivotroot) (struct path *old_path, | |
1329 | struct path *new_path); | |
1330 | void (*sb_post_pivotroot) (struct path *old_path, | |
1331 | struct path *new_path); | |
c9180a57 | 1332 | int (*sb_get_mnt_opts) (const struct super_block *sb, |
e0007529 EP |
1333 | struct security_mnt_opts *opts); |
1334 | int (*sb_set_mnt_opts) (struct super_block *sb, | |
1335 | struct security_mnt_opts *opts); | |
c9180a57 EP |
1336 | void (*sb_clone_mnt_opts) (const struct super_block *oldsb, |
1337 | struct super_block *newsb); | |
e0007529 | 1338 | int (*sb_parse_opts_str) (char *options, struct security_mnt_opts *opts); |
1da177e4 LT |
1339 | |
1340 | int (*inode_alloc_security) (struct inode *inode); | |
1341 | void (*inode_free_security) (struct inode *inode); | |
5e41ff9e SS |
1342 | int (*inode_init_security) (struct inode *inode, struct inode *dir, |
1343 | char **name, void **value, size_t *len); | |
1da177e4 LT |
1344 | int (*inode_create) (struct inode *dir, |
1345 | struct dentry *dentry, int mode); | |
1da177e4 LT |
1346 | int (*inode_link) (struct dentry *old_dentry, |
1347 | struct inode *dir, struct dentry *new_dentry); | |
1da177e4 LT |
1348 | int (*inode_unlink) (struct inode *dir, struct dentry *dentry); |
1349 | int (*inode_symlink) (struct inode *dir, | |
1350 | struct dentry *dentry, const char *old_name); | |
1da177e4 | 1351 | int (*inode_mkdir) (struct inode *dir, struct dentry *dentry, int mode); |
1da177e4 LT |
1352 | int (*inode_rmdir) (struct inode *dir, struct dentry *dentry); |
1353 | int (*inode_mknod) (struct inode *dir, struct dentry *dentry, | |
1354 | int mode, dev_t dev); | |
1da177e4 LT |
1355 | int (*inode_rename) (struct inode *old_dir, struct dentry *old_dentry, |
1356 | struct inode *new_dir, struct dentry *new_dentry); | |
1da177e4 LT |
1357 | int (*inode_readlink) (struct dentry *dentry); |
1358 | int (*inode_follow_link) (struct dentry *dentry, struct nameidata *nd); | |
1359 | int (*inode_permission) (struct inode *inode, int mask, struct nameidata *nd); | |
1360 | int (*inode_setattr) (struct dentry *dentry, struct iattr *attr); | |
1361 | int (*inode_getattr) (struct vfsmount *mnt, struct dentry *dentry); | |
1362 | void (*inode_delete) (struct inode *inode); | |
1363 | int (*inode_setxattr) (struct dentry *dentry, char *name, void *value, | |
1364 | size_t size, int flags); | |
1365 | void (*inode_post_setxattr) (struct dentry *dentry, char *name, void *value, | |
1366 | size_t size, int flags); | |
1367 | int (*inode_getxattr) (struct dentry *dentry, char *name); | |
1368 | int (*inode_listxattr) (struct dentry *dentry); | |
1369 | int (*inode_removexattr) (struct dentry *dentry, char *name); | |
b5376771 SH |
1370 | int (*inode_need_killpriv) (struct dentry *dentry); |
1371 | int (*inode_killpriv) (struct dentry *dentry); | |
42492594 | 1372 | int (*inode_getsecurity)(const struct inode *inode, const char *name, void **buffer, bool alloc); |
1da177e4 LT |
1373 | int (*inode_setsecurity)(struct inode *inode, const char *name, const void *value, size_t size, int flags); |
1374 | int (*inode_listsecurity)(struct inode *inode, char *buffer, size_t buffer_size); | |
8a076191 | 1375 | void (*inode_getsecid)(const struct inode *inode, u32 *secid); |
1da177e4 LT |
1376 | |
1377 | int (*file_permission) (struct file * file, int mask); | |
1378 | int (*file_alloc_security) (struct file * file); | |
1379 | void (*file_free_security) (struct file * file); | |
1380 | int (*file_ioctl) (struct file * file, unsigned int cmd, | |
1381 | unsigned long arg); | |
1382 | int (*file_mmap) (struct file * file, | |
ed032189 EP |
1383 | unsigned long reqprot, unsigned long prot, |
1384 | unsigned long flags, unsigned long addr, | |
1385 | unsigned long addr_only); | |
1da177e4 LT |
1386 | int (*file_mprotect) (struct vm_area_struct * vma, |
1387 | unsigned long reqprot, | |
1388 | unsigned long prot); | |
1389 | int (*file_lock) (struct file * file, unsigned int cmd); | |
1390 | int (*file_fcntl) (struct file * file, unsigned int cmd, | |
1391 | unsigned long arg); | |
1392 | int (*file_set_fowner) (struct file * file); | |
1393 | int (*file_send_sigiotask) (struct task_struct * tsk, | |
1394 | struct fown_struct * fown, int sig); | |
1395 | int (*file_receive) (struct file * file); | |
788e7dd4 | 1396 | int (*dentry_open) (struct file *file); |
1da177e4 LT |
1397 | |
1398 | int (*task_create) (unsigned long clone_flags); | |
1399 | int (*task_alloc_security) (struct task_struct * p); | |
1400 | void (*task_free_security) (struct task_struct * p); | |
1401 | int (*task_setuid) (uid_t id0, uid_t id1, uid_t id2, int flags); | |
1402 | int (*task_post_setuid) (uid_t old_ruid /* or fsuid */ , | |
1403 | uid_t old_euid, uid_t old_suid, int flags); | |
1404 | int (*task_setgid) (gid_t id0, gid_t id1, gid_t id2, int flags); | |
1405 | int (*task_setpgid) (struct task_struct * p, pid_t pgid); | |
1406 | int (*task_getpgid) (struct task_struct * p); | |
1407 | int (*task_getsid) (struct task_struct * p); | |
f9008e4c | 1408 | void (*task_getsecid) (struct task_struct * p, u32 * secid); |
1da177e4 LT |
1409 | int (*task_setgroups) (struct group_info *group_info); |
1410 | int (*task_setnice) (struct task_struct * p, int nice); | |
03e68060 | 1411 | int (*task_setioprio) (struct task_struct * p, int ioprio); |
a1836a42 | 1412 | int (*task_getioprio) (struct task_struct * p); |
1da177e4 LT |
1413 | int (*task_setrlimit) (unsigned int resource, struct rlimit * new_rlim); |
1414 | int (*task_setscheduler) (struct task_struct * p, int policy, | |
1415 | struct sched_param * lp); | |
1416 | int (*task_getscheduler) (struct task_struct * p); | |
35601547 | 1417 | int (*task_movememory) (struct task_struct * p); |
1da177e4 | 1418 | int (*task_kill) (struct task_struct * p, |
f9008e4c | 1419 | struct siginfo * info, int sig, u32 secid); |
1da177e4 LT |
1420 | int (*task_wait) (struct task_struct * p); |
1421 | int (*task_prctl) (int option, unsigned long arg2, | |
1422 | unsigned long arg3, unsigned long arg4, | |
1423 | unsigned long arg5); | |
1424 | void (*task_reparent_to_init) (struct task_struct * p); | |
1425 | void (*task_to_inode)(struct task_struct *p, struct inode *inode); | |
1426 | ||
1427 | int (*ipc_permission) (struct kern_ipc_perm * ipcp, short flag); | |
8a076191 | 1428 | void (*ipc_getsecid) (struct kern_ipc_perm *ipcp, u32 *secid); |
1da177e4 LT |
1429 | |
1430 | int (*msg_msg_alloc_security) (struct msg_msg * msg); | |
1431 | void (*msg_msg_free_security) (struct msg_msg * msg); | |
1432 | ||
1433 | int (*msg_queue_alloc_security) (struct msg_queue * msq); | |
1434 | void (*msg_queue_free_security) (struct msg_queue * msq); | |
1435 | int (*msg_queue_associate) (struct msg_queue * msq, int msqflg); | |
1436 | int (*msg_queue_msgctl) (struct msg_queue * msq, int cmd); | |
1437 | int (*msg_queue_msgsnd) (struct msg_queue * msq, | |
1438 | struct msg_msg * msg, int msqflg); | |
1439 | int (*msg_queue_msgrcv) (struct msg_queue * msq, | |
1440 | struct msg_msg * msg, | |
1441 | struct task_struct * target, | |
1442 | long type, int mode); | |
1443 | ||
1444 | int (*shm_alloc_security) (struct shmid_kernel * shp); | |
1445 | void (*shm_free_security) (struct shmid_kernel * shp); | |
1446 | int (*shm_associate) (struct shmid_kernel * shp, int shmflg); | |
1447 | int (*shm_shmctl) (struct shmid_kernel * shp, int cmd); | |
1448 | int (*shm_shmat) (struct shmid_kernel * shp, | |
1449 | char __user *shmaddr, int shmflg); | |
1450 | ||
1451 | int (*sem_alloc_security) (struct sem_array * sma); | |
1452 | void (*sem_free_security) (struct sem_array * sma); | |
1453 | int (*sem_associate) (struct sem_array * sma, int semflg); | |
1454 | int (*sem_semctl) (struct sem_array * sma, int cmd); | |
1455 | int (*sem_semop) (struct sem_array * sma, | |
1456 | struct sembuf * sops, unsigned nsops, int alter); | |
1457 | ||
1458 | int (*netlink_send) (struct sock * sk, struct sk_buff * skb); | |
c7bdb545 | 1459 | int (*netlink_recv) (struct sk_buff * skb, int cap); |
1da177e4 LT |
1460 | |
1461 | /* allow module stacking */ | |
1462 | int (*register_security) (const char *name, | |
1463 | struct security_operations *ops); | |
1da177e4 LT |
1464 | |
1465 | void (*d_instantiate) (struct dentry *dentry, struct inode *inode); | |
1466 | ||
04ff9708 | 1467 | int (*getprocattr)(struct task_struct *p, char *name, char **value); |
1da177e4 | 1468 | int (*setprocattr)(struct task_struct *p, char *name, void *value, size_t size); |
dc49c1f9 | 1469 | int (*secid_to_secctx)(u32 secid, char **secdata, u32 *seclen); |
63cb3449 | 1470 | int (*secctx_to_secid)(char *secdata, u32 seclen, u32 *secid); |
dc49c1f9 | 1471 | void (*release_secctx)(char *secdata, u32 seclen); |
1da177e4 LT |
1472 | |
1473 | #ifdef CONFIG_SECURITY_NETWORK | |
1474 | int (*unix_stream_connect) (struct socket * sock, | |
1475 | struct socket * other, struct sock * newsk); | |
1476 | int (*unix_may_send) (struct socket * sock, struct socket * other); | |
1477 | ||
1478 | int (*socket_create) (int family, int type, int protocol, int kern); | |
7420ed23 VY |
1479 | int (*socket_post_create) (struct socket * sock, int family, |
1480 | int type, int protocol, int kern); | |
1da177e4 LT |
1481 | int (*socket_bind) (struct socket * sock, |
1482 | struct sockaddr * address, int addrlen); | |
1483 | int (*socket_connect) (struct socket * sock, | |
1484 | struct sockaddr * address, int addrlen); | |
1485 | int (*socket_listen) (struct socket * sock, int backlog); | |
1486 | int (*socket_accept) (struct socket * sock, struct socket * newsock); | |
1487 | void (*socket_post_accept) (struct socket * sock, | |
1488 | struct socket * newsock); | |
1489 | int (*socket_sendmsg) (struct socket * sock, | |
1490 | struct msghdr * msg, int size); | |
1491 | int (*socket_recvmsg) (struct socket * sock, | |
1492 | struct msghdr * msg, int size, int flags); | |
1493 | int (*socket_getsockname) (struct socket * sock); | |
1494 | int (*socket_getpeername) (struct socket * sock); | |
1495 | int (*socket_getsockopt) (struct socket * sock, int level, int optname); | |
1496 | int (*socket_setsockopt) (struct socket * sock, int level, int optname); | |
1497 | int (*socket_shutdown) (struct socket * sock, int how); | |
1498 | int (*socket_sock_rcv_skb) (struct sock * sk, struct sk_buff * skb); | |
2c7946a7 | 1499 | int (*socket_getpeersec_stream) (struct socket *sock, char __user *optval, int __user *optlen, unsigned len); |
dc49c1f9 | 1500 | int (*socket_getpeersec_dgram) (struct socket *sock, struct sk_buff *skb, u32 *secid); |
7d877f3b | 1501 | int (*sk_alloc_security) (struct sock *sk, int family, gfp_t priority); |
1da177e4 | 1502 | void (*sk_free_security) (struct sock *sk); |
892c141e | 1503 | void (*sk_clone_security) (const struct sock *sk, struct sock *newsk); |
beb8d13b | 1504 | void (*sk_getsecid) (struct sock *sk, u32 *secid); |
4237c75c VY |
1505 | void (*sock_graft)(struct sock* sk, struct socket *parent); |
1506 | int (*inet_conn_request)(struct sock *sk, struct sk_buff *skb, | |
1507 | struct request_sock *req); | |
1508 | void (*inet_csk_clone)(struct sock *newsk, const struct request_sock *req); | |
6b877699 | 1509 | void (*inet_conn_established)(struct sock *sk, struct sk_buff *skb); |
4237c75c | 1510 | void (*req_classify_flow)(const struct request_sock *req, struct flowi *fl); |
1da177e4 | 1511 | #endif /* CONFIG_SECURITY_NETWORK */ |
29db9190 | 1512 | |
df71837d | 1513 | #ifdef CONFIG_SECURITY_NETWORK_XFRM |
03e1ad7b | 1514 | int (*xfrm_policy_alloc_security) (struct xfrm_sec_ctx **ctxp, |
c1a856c9 | 1515 | struct xfrm_user_sec_ctx *sec_ctx); |
03e1ad7b PM |
1516 | int (*xfrm_policy_clone_security) (struct xfrm_sec_ctx *old_ctx, struct xfrm_sec_ctx **new_ctx); |
1517 | void (*xfrm_policy_free_security) (struct xfrm_sec_ctx *ctx); | |
1518 | int (*xfrm_policy_delete_security) (struct xfrm_sec_ctx *ctx); | |
e0d1caa7 | 1519 | int (*xfrm_state_alloc_security) (struct xfrm_state *x, |
c1a856c9 | 1520 | struct xfrm_user_sec_ctx *sec_ctx, |
e0d1caa7 | 1521 | u32 secid); |
df71837d | 1522 | void (*xfrm_state_free_security) (struct xfrm_state *x); |
c8c05a8e | 1523 | int (*xfrm_state_delete_security) (struct xfrm_state *x); |
03e1ad7b | 1524 | int (*xfrm_policy_lookup)(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir); |
e0d1caa7 VY |
1525 | int (*xfrm_state_pol_flow_match)(struct xfrm_state *x, |
1526 | struct xfrm_policy *xp, struct flowi *fl); | |
beb8d13b | 1527 | int (*xfrm_decode_session)(struct sk_buff *skb, u32 *secid, int ckall); |
df71837d TJ |
1528 | #endif /* CONFIG_SECURITY_NETWORK_XFRM */ |
1529 | ||
29db9190 DH |
1530 | /* key management security hooks */ |
1531 | #ifdef CONFIG_KEYS | |
7e047ef5 | 1532 | int (*key_alloc)(struct key *key, struct task_struct *tsk, unsigned long flags); |
29db9190 DH |
1533 | void (*key_free)(struct key *key); |
1534 | int (*key_permission)(key_ref_t key_ref, | |
1535 | struct task_struct *context, | |
1536 | key_perm_t perm); | |
1537 | ||
1538 | #endif /* CONFIG_KEYS */ | |
1539 | ||
03d37d25 AD |
1540 | #ifdef CONFIG_AUDIT |
1541 | int (*audit_rule_init)(u32 field, u32 op, char *rulestr, void **lsmrule); | |
1542 | int (*audit_rule_known)(struct audit_krule *krule); | |
1543 | int (*audit_rule_match)(u32 secid, u32 field, u32 op, void *lsmrule, | |
1544 | struct audit_context *actx); | |
1545 | void (*audit_rule_free)(void *lsmrule); | |
1546 | #endif /* CONFIG_AUDIT */ | |
1da177e4 LT |
1547 | }; |
1548 | ||
1da177e4 LT |
1549 | /* prototypes */ |
1550 | extern int security_init (void); | |
076c54c5 | 1551 | extern int security_module_enable(struct security_operations *ops); |
1da177e4 | 1552 | extern int register_security (struct security_operations *ops); |
1da177e4 | 1553 | extern int mod_reg_security (const char *name, struct security_operations *ops); |
b67dbf9d GK |
1554 | extern struct dentry *securityfs_create_file(const char *name, mode_t mode, |
1555 | struct dentry *parent, void *data, | |
54047320 | 1556 | const struct file_operations *fops); |
b67dbf9d GK |
1557 | extern struct dentry *securityfs_create_dir(const char *name, struct dentry *parent); |
1558 | extern void securityfs_remove(struct dentry *dentry); | |
1da177e4 LT |
1559 | |
1560 | ||
20510f2f JM |
1561 | /* Security operations */ |
1562 | int security_ptrace(struct task_struct *parent, struct task_struct *child); | |
1563 | int security_capget(struct task_struct *target, | |
1564 | kernel_cap_t *effective, | |
1565 | kernel_cap_t *inheritable, | |
1566 | kernel_cap_t *permitted); | |
1567 | int security_capset_check(struct task_struct *target, | |
1568 | kernel_cap_t *effective, | |
1569 | kernel_cap_t *inheritable, | |
1570 | kernel_cap_t *permitted); | |
1571 | void security_capset_set(struct task_struct *target, | |
1572 | kernel_cap_t *effective, | |
1573 | kernel_cap_t *inheritable, | |
1574 | kernel_cap_t *permitted); | |
1575 | int security_capable(struct task_struct *tsk, int cap); | |
1576 | int security_acct(struct file *file); | |
1577 | int security_sysctl(struct ctl_table *table, int op); | |
1578 | int security_quotactl(int cmds, int type, int id, struct super_block *sb); | |
1579 | int security_quota_on(struct dentry *dentry); | |
1580 | int security_syslog(int type); | |
1581 | int security_settime(struct timespec *ts, struct timezone *tz); | |
1582 | int security_vm_enough_memory(long pages); | |
1583 | int security_vm_enough_memory_mm(struct mm_struct *mm, long pages); | |
1584 | int security_bprm_alloc(struct linux_binprm *bprm); | |
1585 | void security_bprm_free(struct linux_binprm *bprm); | |
1586 | void security_bprm_apply_creds(struct linux_binprm *bprm, int unsafe); | |
1587 | void security_bprm_post_apply_creds(struct linux_binprm *bprm); | |
1588 | int security_bprm_set(struct linux_binprm *bprm); | |
1589 | int security_bprm_check(struct linux_binprm *bprm); | |
1590 | int security_bprm_secureexec(struct linux_binprm *bprm); | |
1591 | int security_sb_alloc(struct super_block *sb); | |
1592 | void security_sb_free(struct super_block *sb); | |
e0007529 | 1593 | int security_sb_copy_data(char *orig, char *copy); |
20510f2f JM |
1594 | int security_sb_kern_mount(struct super_block *sb, void *data); |
1595 | int security_sb_statfs(struct dentry *dentry); | |
b5266eb4 | 1596 | int security_sb_mount(char *dev_name, struct path *path, |
20510f2f | 1597 | char *type, unsigned long flags, void *data); |
b5266eb4 | 1598 | int security_sb_check_sb(struct vfsmount *mnt, struct path *path); |
20510f2f JM |
1599 | int security_sb_umount(struct vfsmount *mnt, int flags); |
1600 | void security_sb_umount_close(struct vfsmount *mnt); | |
1601 | void security_sb_umount_busy(struct vfsmount *mnt); | |
1602 | void security_sb_post_remount(struct vfsmount *mnt, unsigned long flags, void *data); | |
b5266eb4 AV |
1603 | void security_sb_post_addmount(struct vfsmount *mnt, struct path *mountpoint); |
1604 | int security_sb_pivotroot(struct path *old_path, struct path *new_path); | |
1605 | void security_sb_post_pivotroot(struct path *old_path, struct path *new_path); | |
e0007529 EP |
1606 | int security_sb_get_mnt_opts(const struct super_block *sb, |
1607 | struct security_mnt_opts *opts); | |
1608 | int security_sb_set_mnt_opts(struct super_block *sb, struct security_mnt_opts *opts); | |
c9180a57 EP |
1609 | void security_sb_clone_mnt_opts(const struct super_block *oldsb, |
1610 | struct super_block *newsb); | |
e0007529 | 1611 | int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts); |
c9180a57 | 1612 | |
20510f2f JM |
1613 | int security_inode_alloc(struct inode *inode); |
1614 | void security_inode_free(struct inode *inode); | |
1615 | int security_inode_init_security(struct inode *inode, struct inode *dir, | |
1616 | char **name, void **value, size_t *len); | |
1617 | int security_inode_create(struct inode *dir, struct dentry *dentry, int mode); | |
1618 | int security_inode_link(struct dentry *old_dentry, struct inode *dir, | |
1619 | struct dentry *new_dentry); | |
1620 | int security_inode_unlink(struct inode *dir, struct dentry *dentry); | |
1621 | int security_inode_symlink(struct inode *dir, struct dentry *dentry, | |
1622 | const char *old_name); | |
1623 | int security_inode_mkdir(struct inode *dir, struct dentry *dentry, int mode); | |
1624 | int security_inode_rmdir(struct inode *dir, struct dentry *dentry); | |
1625 | int security_inode_mknod(struct inode *dir, struct dentry *dentry, int mode, dev_t dev); | |
1626 | int security_inode_rename(struct inode *old_dir, struct dentry *old_dentry, | |
1627 | struct inode *new_dir, struct dentry *new_dentry); | |
1628 | int security_inode_readlink(struct dentry *dentry); | |
1629 | int security_inode_follow_link(struct dentry *dentry, struct nameidata *nd); | |
1630 | int security_inode_permission(struct inode *inode, int mask, struct nameidata *nd); | |
1631 | int security_inode_setattr(struct dentry *dentry, struct iattr *attr); | |
1632 | int security_inode_getattr(struct vfsmount *mnt, struct dentry *dentry); | |
1633 | void security_inode_delete(struct inode *inode); | |
1634 | int security_inode_setxattr(struct dentry *dentry, char *name, | |
1635 | void *value, size_t size, int flags); | |
1636 | void security_inode_post_setxattr(struct dentry *dentry, char *name, | |
1637 | void *value, size_t size, int flags); | |
1638 | int security_inode_getxattr(struct dentry *dentry, char *name); | |
1639 | int security_inode_listxattr(struct dentry *dentry); | |
1640 | int security_inode_removexattr(struct dentry *dentry, char *name); | |
b5376771 SH |
1641 | int security_inode_need_killpriv(struct dentry *dentry); |
1642 | int security_inode_killpriv(struct dentry *dentry); | |
42492594 | 1643 | int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc); |
20510f2f JM |
1644 | int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags); |
1645 | int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size); | |
8a076191 | 1646 | void security_inode_getsecid(const struct inode *inode, u32 *secid); |
20510f2f JM |
1647 | int security_file_permission(struct file *file, int mask); |
1648 | int security_file_alloc(struct file *file); | |
1649 | void security_file_free(struct file *file); | |
1650 | int security_file_ioctl(struct file *file, unsigned int cmd, unsigned long arg); | |
1651 | int security_file_mmap(struct file *file, unsigned long reqprot, | |
1652 | unsigned long prot, unsigned long flags, | |
1653 | unsigned long addr, unsigned long addr_only); | |
1654 | int security_file_mprotect(struct vm_area_struct *vma, unsigned long reqprot, | |
1655 | unsigned long prot); | |
1656 | int security_file_lock(struct file *file, unsigned int cmd); | |
1657 | int security_file_fcntl(struct file *file, unsigned int cmd, unsigned long arg); | |
1658 | int security_file_set_fowner(struct file *file); | |
1659 | int security_file_send_sigiotask(struct task_struct *tsk, | |
1660 | struct fown_struct *fown, int sig); | |
1661 | int security_file_receive(struct file *file); | |
1662 | int security_dentry_open(struct file *file); | |
1663 | int security_task_create(unsigned long clone_flags); | |
1664 | int security_task_alloc(struct task_struct *p); | |
1665 | void security_task_free(struct task_struct *p); | |
1666 | int security_task_setuid(uid_t id0, uid_t id1, uid_t id2, int flags); | |
1667 | int security_task_post_setuid(uid_t old_ruid, uid_t old_euid, | |
1668 | uid_t old_suid, int flags); | |
1669 | int security_task_setgid(gid_t id0, gid_t id1, gid_t id2, int flags); | |
1670 | int security_task_setpgid(struct task_struct *p, pid_t pgid); | |
1671 | int security_task_getpgid(struct task_struct *p); | |
1672 | int security_task_getsid(struct task_struct *p); | |
1673 | void security_task_getsecid(struct task_struct *p, u32 *secid); | |
1674 | int security_task_setgroups(struct group_info *group_info); | |
1675 | int security_task_setnice(struct task_struct *p, int nice); | |
1676 | int security_task_setioprio(struct task_struct *p, int ioprio); | |
1677 | int security_task_getioprio(struct task_struct *p); | |
1678 | int security_task_setrlimit(unsigned int resource, struct rlimit *new_rlim); | |
1679 | int security_task_setscheduler(struct task_struct *p, | |
1680 | int policy, struct sched_param *lp); | |
1681 | int security_task_getscheduler(struct task_struct *p); | |
1682 | int security_task_movememory(struct task_struct *p); | |
1683 | int security_task_kill(struct task_struct *p, struct siginfo *info, | |
1684 | int sig, u32 secid); | |
1685 | int security_task_wait(struct task_struct *p); | |
1686 | int security_task_prctl(int option, unsigned long arg2, unsigned long arg3, | |
1687 | unsigned long arg4, unsigned long arg5); | |
1688 | void security_task_reparent_to_init(struct task_struct *p); | |
1689 | void security_task_to_inode(struct task_struct *p, struct inode *inode); | |
1690 | int security_ipc_permission(struct kern_ipc_perm *ipcp, short flag); | |
8a076191 | 1691 | void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid); |
20510f2f JM |
1692 | int security_msg_msg_alloc(struct msg_msg *msg); |
1693 | void security_msg_msg_free(struct msg_msg *msg); | |
1694 | int security_msg_queue_alloc(struct msg_queue *msq); | |
1695 | void security_msg_queue_free(struct msg_queue *msq); | |
1696 | int security_msg_queue_associate(struct msg_queue *msq, int msqflg); | |
1697 | int security_msg_queue_msgctl(struct msg_queue *msq, int cmd); | |
1698 | int security_msg_queue_msgsnd(struct msg_queue *msq, | |
1699 | struct msg_msg *msg, int msqflg); | |
1700 | int security_msg_queue_msgrcv(struct msg_queue *msq, struct msg_msg *msg, | |
1701 | struct task_struct *target, long type, int mode); | |
1702 | int security_shm_alloc(struct shmid_kernel *shp); | |
1703 | void security_shm_free(struct shmid_kernel *shp); | |
1704 | int security_shm_associate(struct shmid_kernel *shp, int shmflg); | |
1705 | int security_shm_shmctl(struct shmid_kernel *shp, int cmd); | |
1706 | int security_shm_shmat(struct shmid_kernel *shp, char __user *shmaddr, int shmflg); | |
1707 | int security_sem_alloc(struct sem_array *sma); | |
1708 | void security_sem_free(struct sem_array *sma); | |
1709 | int security_sem_associate(struct sem_array *sma, int semflg); | |
1710 | int security_sem_semctl(struct sem_array *sma, int cmd); | |
1711 | int security_sem_semop(struct sem_array *sma, struct sembuf *sops, | |
1712 | unsigned nsops, int alter); | |
1713 | void security_d_instantiate (struct dentry *dentry, struct inode *inode); | |
1714 | int security_getprocattr(struct task_struct *p, char *name, char **value); | |
1715 | int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size); | |
1716 | int security_netlink_send(struct sock *sk, struct sk_buff *skb); | |
1717 | int security_netlink_recv(struct sk_buff *skb, int cap); | |
1718 | int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen); | |
63cb3449 | 1719 | int security_secctx_to_secid(char *secdata, u32 seclen, u32 *secid); |
20510f2f JM |
1720 | void security_release_secctx(char *secdata, u32 seclen); |
1721 | ||
1da177e4 | 1722 | #else /* CONFIG_SECURITY */ |
e0007529 EP |
1723 | struct security_mnt_opts { |
1724 | }; | |
1725 | ||
1726 | static inline void security_init_mnt_opts(struct security_mnt_opts *opts) | |
1727 | { | |
1728 | } | |
1729 | ||
1730 | static inline void security_free_mnt_opts(struct security_mnt_opts *opts) | |
1731 | { | |
1732 | } | |
1da177e4 LT |
1733 | |
1734 | /* | |
1735 | * This is the default capabilities functionality. Most of these functions | |
1736 | * are just stubbed out, but a few must call the proper capable code. | |
1737 | */ | |
1738 | ||
1739 | static inline int security_init(void) | |
1740 | { | |
1741 | return 0; | |
1742 | } | |
1743 | ||
1744 | static inline int security_ptrace (struct task_struct *parent, struct task_struct * child) | |
1745 | { | |
1746 | return cap_ptrace (parent, child); | |
1747 | } | |
1748 | ||
1749 | static inline int security_capget (struct task_struct *target, | |
1750 | kernel_cap_t *effective, | |
1751 | kernel_cap_t *inheritable, | |
1752 | kernel_cap_t *permitted) | |
1753 | { | |
1754 | return cap_capget (target, effective, inheritable, permitted); | |
1755 | } | |
1756 | ||
1757 | static inline int security_capset_check (struct task_struct *target, | |
1758 | kernel_cap_t *effective, | |
1759 | kernel_cap_t *inheritable, | |
1760 | kernel_cap_t *permitted) | |
1761 | { | |
1762 | return cap_capset_check (target, effective, inheritable, permitted); | |
1763 | } | |
1764 | ||
1765 | static inline void security_capset_set (struct task_struct *target, | |
1766 | kernel_cap_t *effective, | |
1767 | kernel_cap_t *inheritable, | |
1768 | kernel_cap_t *permitted) | |
1769 | { | |
1770 | cap_capset_set (target, effective, inheritable, permitted); | |
1771 | } | |
1772 | ||
12b5989b CW |
1773 | static inline int security_capable(struct task_struct *tsk, int cap) |
1774 | { | |
1775 | return cap_capable(tsk, cap); | |
1776 | } | |
1777 | ||
1da177e4 LT |
1778 | static inline int security_acct (struct file *file) |
1779 | { | |
1780 | return 0; | |
1781 | } | |
1782 | ||
1783 | static inline int security_sysctl(struct ctl_table *table, int op) | |
1784 | { | |
1785 | return 0; | |
1786 | } | |
1787 | ||
1788 | static inline int security_quotactl (int cmds, int type, int id, | |
1789 | struct super_block * sb) | |
1790 | { | |
1791 | return 0; | |
1792 | } | |
1793 | ||
1794 | static inline int security_quota_on (struct dentry * dentry) | |
1795 | { | |
1796 | return 0; | |
1797 | } | |
1798 | ||
1799 | static inline int security_syslog(int type) | |
1800 | { | |
1801 | return cap_syslog(type); | |
1802 | } | |
1803 | ||
1804 | static inline int security_settime(struct timespec *ts, struct timezone *tz) | |
1805 | { | |
1806 | return cap_settime(ts, tz); | |
1807 | } | |
1808 | ||
1809 | static inline int security_vm_enough_memory(long pages) | |
1810 | { | |
34b4e4aa AC |
1811 | return cap_vm_enough_memory(current->mm, pages); |
1812 | } | |
1813 | ||
1814 | static inline int security_vm_enough_memory_mm(struct mm_struct *mm, long pages) | |
1815 | { | |
1816 | return cap_vm_enough_memory(mm, pages); | |
1da177e4 LT |
1817 | } |
1818 | ||
1819 | static inline int security_bprm_alloc (struct linux_binprm *bprm) | |
1820 | { | |
1821 | return 0; | |
1822 | } | |
1823 | ||
1824 | static inline void security_bprm_free (struct linux_binprm *bprm) | |
1825 | { } | |
1826 | ||
1827 | static inline void security_bprm_apply_creds (struct linux_binprm *bprm, int unsafe) | |
1828 | { | |
1829 | cap_bprm_apply_creds (bprm, unsafe); | |
1830 | } | |
1831 | ||
1832 | static inline void security_bprm_post_apply_creds (struct linux_binprm *bprm) | |
1833 | { | |
1834 | return; | |
1835 | } | |
1836 | ||
1837 | static inline int security_bprm_set (struct linux_binprm *bprm) | |
1838 | { | |
1839 | return cap_bprm_set_security (bprm); | |
1840 | } | |
1841 | ||
1842 | static inline int security_bprm_check (struct linux_binprm *bprm) | |
1843 | { | |
1844 | return 0; | |
1845 | } | |
1846 | ||
1847 | static inline int security_bprm_secureexec (struct linux_binprm *bprm) | |
1848 | { | |
1849 | return cap_bprm_secureexec(bprm); | |
1850 | } | |
1851 | ||
1852 | static inline int security_sb_alloc (struct super_block *sb) | |
1853 | { | |
1854 | return 0; | |
1855 | } | |
1856 | ||
1857 | static inline void security_sb_free (struct super_block *sb) | |
1858 | { } | |
1859 | ||
e0007529 | 1860 | static inline int security_sb_copy_data (char *orig, char *copy) |
1da177e4 LT |
1861 | { |
1862 | return 0; | |
1863 | } | |
1864 | ||
1865 | static inline int security_sb_kern_mount (struct super_block *sb, void *data) | |
1866 | { | |
1867 | return 0; | |
1868 | } | |
1869 | ||
726c3342 | 1870 | static inline int security_sb_statfs (struct dentry *dentry) |
1da177e4 LT |
1871 | { |
1872 | return 0; | |
1873 | } | |
1874 | ||
b5266eb4 | 1875 | static inline int security_sb_mount (char *dev_name, struct path *path, |
1da177e4 LT |
1876 | char *type, unsigned long flags, |
1877 | void *data) | |
1878 | { | |
1879 | return 0; | |
1880 | } | |
1881 | ||
1882 | static inline int security_sb_check_sb (struct vfsmount *mnt, | |
b5266eb4 | 1883 | struct path *path) |
1da177e4 LT |
1884 | { |
1885 | return 0; | |
1886 | } | |
1887 | ||
1888 | static inline int security_sb_umount (struct vfsmount *mnt, int flags) | |
1889 | { | |
1890 | return 0; | |
1891 | } | |
1892 | ||
1893 | static inline void security_sb_umount_close (struct vfsmount *mnt) | |
1894 | { } | |
1895 | ||
1896 | static inline void security_sb_umount_busy (struct vfsmount *mnt) | |
1897 | { } | |
1898 | ||
1899 | static inline void security_sb_post_remount (struct vfsmount *mnt, | |
1900 | unsigned long flags, void *data) | |
1901 | { } | |
1902 | ||
1da177e4 | 1903 | static inline void security_sb_post_addmount (struct vfsmount *mnt, |
b5266eb4 | 1904 | struct path *mountpoint) |
1da177e4 LT |
1905 | { } |
1906 | ||
b5266eb4 AV |
1907 | static inline int security_sb_pivotroot (struct path *old_path, |
1908 | struct path *new_path) | |
1da177e4 LT |
1909 | { |
1910 | return 0; | |
1911 | } | |
1912 | ||
b5266eb4 AV |
1913 | static inline void security_sb_post_pivotroot (struct path *old_path, |
1914 | struct path *new_path) | |
1da177e4 | 1915 | { } |
e0007529 EP |
1916 | static inline int security_sb_get_mnt_opts(const struct super_block *sb, |
1917 | struct security_mnt_opts *opts) | |
1918 | { | |
1919 | security_init_mnt_opts(opts); | |
1920 | return 0; | |
1921 | } | |
1922 | ||
1923 | static inline int security_sb_set_mnt_opts(struct super_block *sb, | |
1924 | struct security_mnt_opts *opts) | |
1925 | { | |
1926 | return 0; | |
1927 | } | |
1928 | ||
1929 | static inline void security_sb_clone_mnt_opts(const struct super_block *oldsb, | |
1930 | struct super_block *newsb) | |
1931 | { } | |
1932 | ||
1933 | static inline int security_sb_parse_opts_str(char *options, struct security_mnt_opts *opts) | |
1934 | { | |
1935 | return 0; | |
1936 | } | |
1da177e4 LT |
1937 | |
1938 | static inline int security_inode_alloc (struct inode *inode) | |
1939 | { | |
1940 | return 0; | |
1941 | } | |
1942 | ||
1943 | static inline void security_inode_free (struct inode *inode) | |
1944 | { } | |
5e41ff9e SS |
1945 | |
1946 | static inline int security_inode_init_security (struct inode *inode, | |
1947 | struct inode *dir, | |
1948 | char **name, | |
1949 | void **value, | |
1950 | size_t *len) | |
1951 | { | |
1952 | return -EOPNOTSUPP; | |
1953 | } | |
1da177e4 LT |
1954 | |
1955 | static inline int security_inode_create (struct inode *dir, | |
1956 | struct dentry *dentry, | |
1957 | int mode) | |
1958 | { | |
1959 | return 0; | |
1960 | } | |
1961 | ||
1da177e4 LT |
1962 | static inline int security_inode_link (struct dentry *old_dentry, |
1963 | struct inode *dir, | |
1964 | struct dentry *new_dentry) | |
1965 | { | |
1966 | return 0; | |
1967 | } | |
1968 | ||
1da177e4 LT |
1969 | static inline int security_inode_unlink (struct inode *dir, |
1970 | struct dentry *dentry) | |
1971 | { | |
1972 | return 0; | |
1973 | } | |
1974 | ||
1975 | static inline int security_inode_symlink (struct inode *dir, | |
1976 | struct dentry *dentry, | |
1977 | const char *old_name) | |
1978 | { | |
1979 | return 0; | |
1980 | } | |
1981 | ||
1da177e4 LT |
1982 | static inline int security_inode_mkdir (struct inode *dir, |
1983 | struct dentry *dentry, | |
1984 | int mode) | |
1985 | { | |
1986 | return 0; | |
1987 | } | |
1988 | ||
1da177e4 LT |
1989 | static inline int security_inode_rmdir (struct inode *dir, |
1990 | struct dentry *dentry) | |
1991 | { | |
1992 | return 0; | |
1993 | } | |
1994 | ||
1995 | static inline int security_inode_mknod (struct inode *dir, | |
1996 | struct dentry *dentry, | |
1997 | int mode, dev_t dev) | |
1998 | { | |
1999 | return 0; | |
2000 | } | |
2001 | ||
1da177e4 LT |
2002 | static inline int security_inode_rename (struct inode *old_dir, |
2003 | struct dentry *old_dentry, | |
2004 | struct inode *new_dir, | |
2005 | struct dentry *new_dentry) | |
2006 | { | |
2007 | return 0; | |
2008 | } | |
2009 | ||
1da177e4 LT |
2010 | static inline int security_inode_readlink (struct dentry *dentry) |
2011 | { | |
2012 | return 0; | |
2013 | } | |
2014 | ||
2015 | static inline int security_inode_follow_link (struct dentry *dentry, | |
2016 | struct nameidata *nd) | |
2017 | { | |
2018 | return 0; | |
2019 | } | |
2020 | ||
2021 | static inline int security_inode_permission (struct inode *inode, int mask, | |
2022 | struct nameidata *nd) | |
2023 | { | |
2024 | return 0; | |
2025 | } | |
2026 | ||
2027 | static inline int security_inode_setattr (struct dentry *dentry, | |
2028 | struct iattr *attr) | |
2029 | { | |
2030 | return 0; | |
2031 | } | |
2032 | ||
2033 | static inline int security_inode_getattr (struct vfsmount *mnt, | |
2034 | struct dentry *dentry) | |
2035 | { | |
2036 | return 0; | |
2037 | } | |
2038 | ||
2039 | static inline void security_inode_delete (struct inode *inode) | |
2040 | { } | |
2041 | ||
2042 | static inline int security_inode_setxattr (struct dentry *dentry, char *name, | |
2043 | void *value, size_t size, int flags) | |
2044 | { | |
2045 | return cap_inode_setxattr(dentry, name, value, size, flags); | |
2046 | } | |
2047 | ||
2048 | static inline void security_inode_post_setxattr (struct dentry *dentry, char *name, | |
2049 | void *value, size_t size, int flags) | |
2050 | { } | |
2051 | ||
2052 | static inline int security_inode_getxattr (struct dentry *dentry, char *name) | |
2053 | { | |
2054 | return 0; | |
2055 | } | |
2056 | ||
2057 | static inline int security_inode_listxattr (struct dentry *dentry) | |
2058 | { | |
2059 | return 0; | |
2060 | } | |
2061 | ||
2062 | static inline int security_inode_removexattr (struct dentry *dentry, char *name) | |
2063 | { | |
2064 | return cap_inode_removexattr(dentry, name); | |
2065 | } | |
2066 | ||
b5376771 SH |
2067 | static inline int security_inode_need_killpriv(struct dentry *dentry) |
2068 | { | |
2069 | return cap_inode_need_killpriv(dentry); | |
2070 | } | |
2071 | ||
2072 | static inline int security_inode_killpriv(struct dentry *dentry) | |
2073 | { | |
2074 | return cap_inode_killpriv(dentry); | |
2075 | } | |
2076 | ||
42492594 | 2077 | static inline int security_inode_getsecurity(const struct inode *inode, const char *name, void **buffer, bool alloc) |
1da177e4 LT |
2078 | { |
2079 | return -EOPNOTSUPP; | |
2080 | } | |
2081 | ||
2082 | static inline int security_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags) | |
2083 | { | |
2084 | return -EOPNOTSUPP; | |
2085 | } | |
2086 | ||
2087 | static inline int security_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size) | |
2088 | { | |
2089 | return 0; | |
2090 | } | |
2091 | ||
8a076191 AD |
2092 | static inline void security_inode_getsecid(const struct inode *inode, u32 *secid) |
2093 | { | |
2094 | *secid = 0; | |
2095 | } | |
2096 | ||
1da177e4 LT |
2097 | static inline int security_file_permission (struct file *file, int mask) |
2098 | { | |
2099 | return 0; | |
2100 | } | |
2101 | ||
2102 | static inline int security_file_alloc (struct file *file) | |
2103 | { | |
2104 | return 0; | |
2105 | } | |
2106 | ||
2107 | static inline void security_file_free (struct file *file) | |
2108 | { } | |
2109 | ||
2110 | static inline int security_file_ioctl (struct file *file, unsigned int cmd, | |
2111 | unsigned long arg) | |
2112 | { | |
2113 | return 0; | |
2114 | } | |
2115 | ||
2116 | static inline int security_file_mmap (struct file *file, unsigned long reqprot, | |
2117 | unsigned long prot, | |
ed032189 EP |
2118 | unsigned long flags, |
2119 | unsigned long addr, | |
2120 | unsigned long addr_only) | |
1da177e4 LT |
2121 | { |
2122 | return 0; | |
2123 | } | |
2124 | ||
2125 | static inline int security_file_mprotect (struct vm_area_struct *vma, | |
2126 | unsigned long reqprot, | |
2127 | unsigned long prot) | |
2128 | { | |
2129 | return 0; | |
2130 | } | |
2131 | ||
2132 | static inline int security_file_lock (struct file *file, unsigned int cmd) | |
2133 | { | |
2134 | return 0; | |
2135 | } | |
2136 | ||
2137 | static inline int security_file_fcntl (struct file *file, unsigned int cmd, | |
2138 | unsigned long arg) | |
2139 | { | |
2140 | return 0; | |
2141 | } | |
2142 | ||
2143 | static inline int security_file_set_fowner (struct file *file) | |
2144 | { | |
2145 | return 0; | |
2146 | } | |
2147 | ||
2148 | static inline int security_file_send_sigiotask (struct task_struct *tsk, | |
2149 | struct fown_struct *fown, | |
2150 | int sig) | |
2151 | { | |
2152 | return 0; | |
2153 | } | |
2154 | ||
2155 | static inline int security_file_receive (struct file *file) | |
2156 | { | |
2157 | return 0; | |
2158 | } | |
2159 | ||
788e7dd4 YN |
2160 | static inline int security_dentry_open (struct file *file) |
2161 | { | |
2162 | return 0; | |
2163 | } | |
2164 | ||
1da177e4 LT |
2165 | static inline int security_task_create (unsigned long clone_flags) |
2166 | { | |
2167 | return 0; | |
2168 | } | |
2169 | ||
2170 | static inline int security_task_alloc (struct task_struct *p) | |
2171 | { | |
2172 | return 0; | |
2173 | } | |
2174 | ||
2175 | static inline void security_task_free (struct task_struct *p) | |
2176 | { } | |
2177 | ||
2178 | static inline int security_task_setuid (uid_t id0, uid_t id1, uid_t id2, | |
2179 | int flags) | |
2180 | { | |
2181 | return 0; | |
2182 | } | |
2183 | ||
2184 | static inline int security_task_post_setuid (uid_t old_ruid, uid_t old_euid, | |
2185 | uid_t old_suid, int flags) | |
2186 | { | |
2187 | return cap_task_post_setuid (old_ruid, old_euid, old_suid, flags); | |
2188 | } | |
2189 | ||
2190 | static inline int security_task_setgid (gid_t id0, gid_t id1, gid_t id2, | |
2191 | int flags) | |
2192 | { | |
2193 | return 0; | |
2194 | } | |
2195 | ||
2196 | static inline int security_task_setpgid (struct task_struct *p, pid_t pgid) | |
2197 | { | |
2198 | return 0; | |
2199 | } | |
2200 | ||
2201 | static inline int security_task_getpgid (struct task_struct *p) | |
2202 | { | |
2203 | return 0; | |
2204 | } | |
2205 | ||
2206 | static inline int security_task_getsid (struct task_struct *p) | |
2207 | { | |
2208 | return 0; | |
2209 | } | |
2210 | ||
f9008e4c | 2211 | static inline void security_task_getsecid (struct task_struct *p, u32 *secid) |
8a076191 AD |
2212 | { |
2213 | *secid = 0; | |
2214 | } | |
f9008e4c | 2215 | |
1da177e4 LT |
2216 | static inline int security_task_setgroups (struct group_info *group_info) |
2217 | { | |
2218 | return 0; | |
2219 | } | |
2220 | ||
2221 | static inline int security_task_setnice (struct task_struct *p, int nice) | |
2222 | { | |
b5376771 | 2223 | return cap_task_setnice(p, nice); |
1da177e4 LT |
2224 | } |
2225 | ||
03e68060 JM |
2226 | static inline int security_task_setioprio (struct task_struct *p, int ioprio) |
2227 | { | |
b5376771 | 2228 | return cap_task_setioprio(p, ioprio); |
03e68060 JM |
2229 | } |
2230 | ||
a1836a42 DQ |
2231 | static inline int security_task_getioprio (struct task_struct *p) |
2232 | { | |
2233 | return 0; | |
2234 | } | |
2235 | ||
1da177e4 LT |
2236 | static inline int security_task_setrlimit (unsigned int resource, |
2237 | struct rlimit *new_rlim) | |
2238 | { | |
2239 | return 0; | |
2240 | } | |
2241 | ||
2242 | static inline int security_task_setscheduler (struct task_struct *p, | |
2243 | int policy, | |
2244 | struct sched_param *lp) | |
2245 | { | |
b5376771 | 2246 | return cap_task_setscheduler(p, policy, lp); |
1da177e4 LT |
2247 | } |
2248 | ||
2249 | static inline int security_task_getscheduler (struct task_struct *p) | |
2250 | { | |
2251 | return 0; | |
2252 | } | |
2253 | ||
35601547 DQ |
2254 | static inline int security_task_movememory (struct task_struct *p) |
2255 | { | |
2256 | return 0; | |
2257 | } | |
2258 | ||
1da177e4 | 2259 | static inline int security_task_kill (struct task_struct *p, |
f9008e4c DQ |
2260 | struct siginfo *info, int sig, |
2261 | u32 secid) | |
1da177e4 | 2262 | { |
aedb60a6 | 2263 | return 0; |
1da177e4 LT |
2264 | } |
2265 | ||
2266 | static inline int security_task_wait (struct task_struct *p) | |
2267 | { | |
2268 | return 0; | |
2269 | } | |
2270 | ||
2271 | static inline int security_task_prctl (int option, unsigned long arg2, | |
2272 | unsigned long arg3, | |
2273 | unsigned long arg4, | |
2274 | unsigned long arg5) | |
2275 | { | |
2276 | return 0; | |
2277 | } | |
2278 | ||
2279 | static inline void security_task_reparent_to_init (struct task_struct *p) | |
2280 | { | |
2281 | cap_task_reparent_to_init (p); | |
2282 | } | |
2283 | ||
2284 | static inline void security_task_to_inode(struct task_struct *p, struct inode *inode) | |
2285 | { } | |
2286 | ||
2287 | static inline int security_ipc_permission (struct kern_ipc_perm *ipcp, | |
2288 | short flag) | |
2289 | { | |
2290 | return 0; | |
2291 | } | |
2292 | ||
8a076191 AD |
2293 | static inline void security_ipc_getsecid(struct kern_ipc_perm *ipcp, u32 *secid) |
2294 | { | |
2295 | *secid = 0; | |
2296 | } | |
2297 | ||
1da177e4 LT |
2298 | static inline int security_msg_msg_alloc (struct msg_msg * msg) |
2299 | { | |
2300 | return 0; | |
2301 | } | |
2302 | ||
2303 | static inline void security_msg_msg_free (struct msg_msg * msg) | |
2304 | { } | |
2305 | ||
2306 | static inline int security_msg_queue_alloc (struct msg_queue *msq) | |
2307 | { | |
2308 | return 0; | |
2309 | } | |
2310 | ||
2311 | static inline void security_msg_queue_free (struct msg_queue *msq) | |
2312 | { } | |
2313 | ||
2314 | static inline int security_msg_queue_associate (struct msg_queue * msq, | |
2315 | int msqflg) | |
2316 | { | |
2317 | return 0; | |
2318 | } | |
2319 | ||
2320 | static inline int security_msg_queue_msgctl (struct msg_queue * msq, int cmd) | |
2321 | { | |
2322 | return 0; | |
2323 | } | |
2324 | ||
2325 | static inline int security_msg_queue_msgsnd (struct msg_queue * msq, | |
2326 | struct msg_msg * msg, int msqflg) | |
2327 | { | |
2328 | return 0; | |
2329 | } | |
2330 | ||
2331 | static inline int security_msg_queue_msgrcv (struct msg_queue * msq, | |
2332 | struct msg_msg * msg, | |
2333 | struct task_struct * target, | |
2334 | long type, int mode) | |
2335 | { | |
2336 | return 0; | |
2337 | } | |
2338 | ||
2339 | static inline int security_shm_alloc (struct shmid_kernel *shp) | |
2340 | { | |
2341 | return 0; | |
2342 | } | |
2343 | ||
2344 | static inline void security_shm_free (struct shmid_kernel *shp) | |
2345 | { } | |
2346 | ||
2347 | static inline int security_shm_associate (struct shmid_kernel * shp, | |
2348 | int shmflg) | |
2349 | { | |
2350 | return 0; | |
2351 | } | |
2352 | ||
2353 | static inline int security_shm_shmctl (struct shmid_kernel * shp, int cmd) | |
2354 | { | |
2355 | return 0; | |
2356 | } | |
2357 | ||
2358 | static inline int security_shm_shmat (struct shmid_kernel * shp, | |
2359 | char __user *shmaddr, int shmflg) | |
2360 | { | |
2361 | return 0; | |
2362 | } | |
2363 | ||
2364 | static inline int security_sem_alloc (struct sem_array *sma) | |
2365 | { | |
2366 | return 0; | |
2367 | } | |
2368 | ||
2369 | static inline void security_sem_free (struct sem_array *sma) | |
2370 | { } | |
2371 | ||
2372 | static inline int security_sem_associate (struct sem_array * sma, int semflg) | |
2373 | { | |
2374 | return 0; | |
2375 | } | |
2376 | ||
2377 | static inline int security_sem_semctl (struct sem_array * sma, int cmd) | |
2378 | { | |
2379 | return 0; | |
2380 | } | |
2381 | ||
2382 | static inline int security_sem_semop (struct sem_array * sma, | |
2383 | struct sembuf * sops, unsigned nsops, | |
2384 | int alter) | |
2385 | { | |
2386 | return 0; | |
2387 | } | |
2388 | ||
2389 | static inline void security_d_instantiate (struct dentry *dentry, struct inode *inode) | |
2390 | { } | |
2391 | ||
04ff9708 | 2392 | static inline int security_getprocattr(struct task_struct *p, char *name, char **value) |
1da177e4 LT |
2393 | { |
2394 | return -EINVAL; | |
2395 | } | |
2396 | ||
2397 | static inline int security_setprocattr(struct task_struct *p, char *name, void *value, size_t size) | |
2398 | { | |
2399 | return -EINVAL; | |
2400 | } | |
2401 | ||
2402 | static inline int security_netlink_send (struct sock *sk, struct sk_buff *skb) | |
2403 | { | |
2404 | return cap_netlink_send (sk, skb); | |
2405 | } | |
2406 | ||
c7bdb545 | 2407 | static inline int security_netlink_recv (struct sk_buff *skb, int cap) |
1da177e4 | 2408 | { |
c7bdb545 | 2409 | return cap_netlink_recv (skb, cap); |
1da177e4 LT |
2410 | } |
2411 | ||
ed5a9270 RD |
2412 | static inline struct dentry *securityfs_create_dir(const char *name, |
2413 | struct dentry *parent) | |
2414 | { | |
2415 | return ERR_PTR(-ENODEV); | |
2416 | } | |
2417 | ||
2418 | static inline struct dentry *securityfs_create_file(const char *name, | |
2419 | mode_t mode, | |
2420 | struct dentry *parent, | |
2421 | void *data, | |
1996a109 | 2422 | const struct file_operations *fops) |
ed5a9270 RD |
2423 | { |
2424 | return ERR_PTR(-ENODEV); | |
2425 | } | |
2426 | ||
2427 | static inline void securityfs_remove(struct dentry *dentry) | |
2428 | { | |
2429 | } | |
2430 | ||
dc49c1f9 CZ |
2431 | static inline int security_secid_to_secctx(u32 secid, char **secdata, u32 *seclen) |
2432 | { | |
2433 | return -EOPNOTSUPP; | |
2434 | } | |
2435 | ||
63cb3449 DH |
2436 | static inline int security_secctx_to_secid(char *secdata, |
2437 | u32 seclen, | |
2438 | u32 *secid) | |
2439 | { | |
2440 | return -EOPNOTSUPP; | |
2441 | } | |
2442 | ||
dc49c1f9 CZ |
2443 | static inline void security_release_secctx(char *secdata, u32 seclen) |
2444 | { | |
dc49c1f9 | 2445 | } |
1da177e4 LT |
2446 | #endif /* CONFIG_SECURITY */ |
2447 | ||
2448 | #ifdef CONFIG_SECURITY_NETWORK | |
4237c75c | 2449 | |
20510f2f JM |
2450 | int security_unix_stream_connect(struct socket *sock, struct socket *other, |
2451 | struct sock *newsk); | |
2452 | int security_unix_may_send(struct socket *sock, struct socket *other); | |
2453 | int security_socket_create(int family, int type, int protocol, int kern); | |
2454 | int security_socket_post_create(struct socket *sock, int family, | |
2455 | int type, int protocol, int kern); | |
2456 | int security_socket_bind(struct socket *sock, struct sockaddr *address, int addrlen); | |
2457 | int security_socket_connect(struct socket *sock, struct sockaddr *address, int addrlen); | |
2458 | int security_socket_listen(struct socket *sock, int backlog); | |
2459 | int security_socket_accept(struct socket *sock, struct socket *newsock); | |
2460 | void security_socket_post_accept(struct socket *sock, struct socket *newsock); | |
2461 | int security_socket_sendmsg(struct socket *sock, struct msghdr *msg, int size); | |
2462 | int security_socket_recvmsg(struct socket *sock, struct msghdr *msg, | |
2463 | int size, int flags); | |
2464 | int security_socket_getsockname(struct socket *sock); | |
2465 | int security_socket_getpeername(struct socket *sock); | |
2466 | int security_socket_getsockopt(struct socket *sock, int level, int optname); | |
2467 | int security_socket_setsockopt(struct socket *sock, int level, int optname); | |
2468 | int security_socket_shutdown(struct socket *sock, int how); | |
2469 | int security_sock_rcv_skb(struct sock *sk, struct sk_buff *skb); | |
2470 | int security_socket_getpeersec_stream(struct socket *sock, char __user *optval, | |
2471 | int __user *optlen, unsigned len); | |
2472 | int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid); | |
2473 | int security_sk_alloc(struct sock *sk, int family, gfp_t priority); | |
2474 | void security_sk_free(struct sock *sk); | |
2475 | void security_sk_clone(const struct sock *sk, struct sock *newsk); | |
2476 | void security_sk_classify_flow(struct sock *sk, struct flowi *fl); | |
2477 | void security_req_classify_flow(const struct request_sock *req, struct flowi *fl); | |
2478 | void security_sock_graft(struct sock*sk, struct socket *parent); | |
2479 | int security_inet_conn_request(struct sock *sk, | |
2480 | struct sk_buff *skb, struct request_sock *req); | |
2481 | void security_inet_csk_clone(struct sock *newsk, | |
2482 | const struct request_sock *req); | |
2483 | void security_inet_conn_established(struct sock *sk, | |
2484 | struct sk_buff *skb); | |
6b877699 | 2485 | |
1da177e4 LT |
2486 | #else /* CONFIG_SECURITY_NETWORK */ |
2487 | static inline int security_unix_stream_connect(struct socket * sock, | |
6b877699 | 2488 | struct socket * other, |
1da177e4 LT |
2489 | struct sock * newsk) |
2490 | { | |
2491 | return 0; | |
2492 | } | |
2493 | ||
2494 | static inline int security_unix_may_send(struct socket * sock, | |
2495 | struct socket * other) | |
2496 | { | |
2497 | return 0; | |
2498 | } | |
2499 | ||
2500 | static inline int security_socket_create (int family, int type, | |
2501 | int protocol, int kern) | |
2502 | { | |
2503 | return 0; | |
2504 | } | |
2505 | ||
7420ed23 VY |
2506 | static inline int security_socket_post_create(struct socket * sock, |
2507 | int family, | |
2508 | int type, | |
2509 | int protocol, int kern) | |
1da177e4 | 2510 | { |
7420ed23 | 2511 | return 0; |
1da177e4 LT |
2512 | } |
2513 | ||
2514 | static inline int security_socket_bind(struct socket * sock, | |
2515 | struct sockaddr * address, | |
2516 | int addrlen) | |
2517 | { | |
2518 | return 0; | |
2519 | } | |
2520 | ||
2521 | static inline int security_socket_connect(struct socket * sock, | |
2522 | struct sockaddr * address, | |
2523 | int addrlen) | |
2524 | { | |
2525 | return 0; | |
2526 | } | |
2527 | ||
2528 | static inline int security_socket_listen(struct socket * sock, int backlog) | |
2529 | { | |
2530 | return 0; | |
2531 | } | |
2532 | ||
2533 | static inline int security_socket_accept(struct socket * sock, | |
2534 | struct socket * newsock) | |
2535 | { | |
2536 | return 0; | |
2537 | } | |
2538 | ||
2539 | static inline void security_socket_post_accept(struct socket * sock, | |
2540 | struct socket * newsock) | |
2541 | { | |
2542 | } | |
2543 | ||
2544 | static inline int security_socket_sendmsg(struct socket * sock, | |
2545 | struct msghdr * msg, int size) | |
2546 | { | |
2547 | return 0; | |
2548 | } | |
2549 | ||
2550 | static inline int security_socket_recvmsg(struct socket * sock, | |
2551 | struct msghdr * msg, int size, | |
2552 | int flags) | |
2553 | { | |
2554 | return 0; | |
2555 | } | |
2556 | ||
2557 | static inline int security_socket_getsockname(struct socket * sock) | |
2558 | { | |
2559 | return 0; | |
2560 | } | |
2561 | ||
2562 | static inline int security_socket_getpeername(struct socket * sock) | |
2563 | { | |
2564 | return 0; | |
2565 | } | |
2566 | ||
2567 | static inline int security_socket_getsockopt(struct socket * sock, | |
2568 | int level, int optname) | |
2569 | { | |
2570 | return 0; | |
2571 | } | |
2572 | ||
2573 | static inline int security_socket_setsockopt(struct socket * sock, | |
2574 | int level, int optname) | |
2575 | { | |
2576 | return 0; | |
2577 | } | |
2578 | ||
2579 | static inline int security_socket_shutdown(struct socket * sock, int how) | |
2580 | { | |
2581 | return 0; | |
2582 | } | |
2583 | static inline int security_sock_rcv_skb (struct sock * sk, | |
2584 | struct sk_buff * skb) | |
2585 | { | |
2586 | return 0; | |
2587 | } | |
2588 | ||
2c7946a7 CZ |
2589 | static inline int security_socket_getpeersec_stream(struct socket *sock, char __user *optval, |
2590 | int __user *optlen, unsigned len) | |
2591 | { | |
2592 | return -ENOPROTOOPT; | |
2593 | } | |
2594 | ||
dc49c1f9 | 2595 | static inline int security_socket_getpeersec_dgram(struct socket *sock, struct sk_buff *skb, u32 *secid) |
1da177e4 LT |
2596 | { |
2597 | return -ENOPROTOOPT; | |
2598 | } | |
2599 | ||
dd0fc66f | 2600 | static inline int security_sk_alloc(struct sock *sk, int family, gfp_t priority) |
1da177e4 LT |
2601 | { |
2602 | return 0; | |
2603 | } | |
2604 | ||
2605 | static inline void security_sk_free(struct sock *sk) | |
892c141e VY |
2606 | { |
2607 | } | |
2608 | ||
2609 | static inline void security_sk_clone(const struct sock *sk, struct sock *newsk) | |
1da177e4 LT |
2610 | { |
2611 | } | |
df71837d | 2612 | |
beb8d13b | 2613 | static inline void security_sk_classify_flow(struct sock *sk, struct flowi *fl) |
df71837d | 2614 | { |
df71837d | 2615 | } |
4237c75c VY |
2616 | |
2617 | static inline void security_req_classify_flow(const struct request_sock *req, struct flowi *fl) | |
2618 | { | |
2619 | } | |
2620 | ||
2621 | static inline void security_sock_graft(struct sock* sk, struct socket *parent) | |
2622 | { | |
2623 | } | |
2624 | ||
2625 | static inline int security_inet_conn_request(struct sock *sk, | |
2626 | struct sk_buff *skb, struct request_sock *req) | |
2627 | { | |
2628 | return 0; | |
2629 | } | |
2630 | ||
2631 | static inline void security_inet_csk_clone(struct sock *newsk, | |
2632 | const struct request_sock *req) | |
2633 | { | |
2634 | } | |
6b877699 VY |
2635 | |
2636 | static inline void security_inet_conn_established(struct sock *sk, | |
2637 | struct sk_buff *skb) | |
2638 | { | |
2639 | } | |
1da177e4 LT |
2640 | #endif /* CONFIG_SECURITY_NETWORK */ |
2641 | ||
df71837d | 2642 | #ifdef CONFIG_SECURITY_NETWORK_XFRM |
beb8d13b | 2643 | |
03e1ad7b PM |
2644 | int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *sec_ctx); |
2645 | int security_xfrm_policy_clone(struct xfrm_sec_ctx *old_ctx, struct xfrm_sec_ctx **new_ctxp); | |
2646 | void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx); | |
2647 | int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx); | |
20510f2f JM |
2648 | int security_xfrm_state_alloc(struct xfrm_state *x, struct xfrm_user_sec_ctx *sec_ctx); |
2649 | int security_xfrm_state_alloc_acquire(struct xfrm_state *x, | |
2650 | struct xfrm_sec_ctx *polsec, u32 secid); | |
2651 | int security_xfrm_state_delete(struct xfrm_state *x); | |
2652 | void security_xfrm_state_free(struct xfrm_state *x); | |
03e1ad7b | 2653 | int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir); |
20510f2f JM |
2654 | int security_xfrm_state_pol_flow_match(struct xfrm_state *x, |
2655 | struct xfrm_policy *xp, struct flowi *fl); | |
2656 | int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid); | |
2657 | void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl); | |
beb8d13b | 2658 | |
df71837d | 2659 | #else /* CONFIG_SECURITY_NETWORK_XFRM */ |
20510f2f | 2660 | |
03e1ad7b | 2661 | static inline int security_xfrm_policy_alloc(struct xfrm_sec_ctx **ctxp, struct xfrm_user_sec_ctx *sec_ctx) |
df71837d TJ |
2662 | { |
2663 | return 0; | |
2664 | } | |
2665 | ||
03e1ad7b | 2666 | static inline int security_xfrm_policy_clone(struct xfrm_sec_ctx *old, struct xfrm_sec_ctx **new_ctxp) |
df71837d TJ |
2667 | { |
2668 | return 0; | |
2669 | } | |
2670 | ||
03e1ad7b | 2671 | static inline void security_xfrm_policy_free(struct xfrm_sec_ctx *ctx) |
df71837d TJ |
2672 | { |
2673 | } | |
2674 | ||
03e1ad7b | 2675 | static inline int security_xfrm_policy_delete(struct xfrm_sec_ctx *ctx) |
c8c05a8e CZ |
2676 | { |
2677 | return 0; | |
2678 | } | |
2679 | ||
e0d1caa7 VY |
2680 | static inline int security_xfrm_state_alloc(struct xfrm_state *x, |
2681 | struct xfrm_user_sec_ctx *sec_ctx) | |
2682 | { | |
2683 | return 0; | |
2684 | } | |
2685 | ||
2686 | static inline int security_xfrm_state_alloc_acquire(struct xfrm_state *x, | |
2687 | struct xfrm_sec_ctx *polsec, u32 secid) | |
df71837d TJ |
2688 | { |
2689 | return 0; | |
2690 | } | |
2691 | ||
2692 | static inline void security_xfrm_state_free(struct xfrm_state *x) | |
2693 | { | |
2694 | } | |
2695 | ||
6f68dc37 | 2696 | static inline int security_xfrm_state_delete(struct xfrm_state *x) |
c8c05a8e CZ |
2697 | { |
2698 | return 0; | |
2699 | } | |
2700 | ||
03e1ad7b | 2701 | static inline int security_xfrm_policy_lookup(struct xfrm_sec_ctx *ctx, u32 fl_secid, u8 dir) |
df71837d TJ |
2702 | { |
2703 | return 0; | |
2704 | } | |
e0d1caa7 VY |
2705 | |
2706 | static inline int security_xfrm_state_pol_flow_match(struct xfrm_state *x, | |
2707 | struct xfrm_policy *xp, struct flowi *fl) | |
2708 | { | |
2709 | return 1; | |
2710 | } | |
2711 | ||
beb8d13b | 2712 | static inline int security_xfrm_decode_session(struct sk_buff *skb, u32 *secid) |
e0d1caa7 VY |
2713 | { |
2714 | return 0; | |
2715 | } | |
2716 | ||
beb8d13b VY |
2717 | static inline void security_skb_classify_flow(struct sk_buff *skb, struct flowi *fl) |
2718 | { | |
2719 | } | |
2720 | ||
df71837d TJ |
2721 | #endif /* CONFIG_SECURITY_NETWORK_XFRM */ |
2722 | ||
29db9190 DH |
2723 | #ifdef CONFIG_KEYS |
2724 | #ifdef CONFIG_SECURITY | |
29db9190 | 2725 | |
20510f2f JM |
2726 | int security_key_alloc(struct key *key, struct task_struct *tsk, unsigned long flags); |
2727 | void security_key_free(struct key *key); | |
2728 | int security_key_permission(key_ref_t key_ref, | |
2729 | struct task_struct *context, key_perm_t perm); | |
29db9190 DH |
2730 | |
2731 | #else | |
2732 | ||
d720024e | 2733 | static inline int security_key_alloc(struct key *key, |
7e047ef5 DH |
2734 | struct task_struct *tsk, |
2735 | unsigned long flags) | |
29db9190 DH |
2736 | { |
2737 | return 0; | |
2738 | } | |
2739 | ||
2740 | static inline void security_key_free(struct key *key) | |
2741 | { | |
2742 | } | |
2743 | ||
2744 | static inline int security_key_permission(key_ref_t key_ref, | |
2745 | struct task_struct *context, | |
2746 | key_perm_t perm) | |
2747 | { | |
2748 | return 0; | |
2749 | } | |
2750 | ||
2751 | #endif | |
2752 | #endif /* CONFIG_KEYS */ | |
2753 | ||
03d37d25 AD |
2754 | #ifdef CONFIG_AUDIT |
2755 | #ifdef CONFIG_SECURITY | |
2756 | int security_audit_rule_init(u32 field, u32 op, char *rulestr, void **lsmrule); | |
2757 | int security_audit_rule_known(struct audit_krule *krule); | |
2758 | int security_audit_rule_match(u32 secid, u32 field, u32 op, void *lsmrule, | |
2759 | struct audit_context *actx); | |
2760 | void security_audit_rule_free(void *lsmrule); | |
2761 | ||
2762 | #else | |
2763 | ||
2764 | static inline int security_audit_rule_init(u32 field, u32 op, char *rulestr, | |
2765 | void **lsmrule) | |
2766 | { | |
2767 | return 0; | |
2768 | } | |
2769 | ||
2770 | static inline int security_audit_rule_known(struct audit_krule *krule) | |
2771 | { | |
2772 | return 0; | |
2773 | } | |
2774 | ||
2775 | static inline int security_audit_rule_match(u32 secid, u32 field, u32 op, | |
2776 | void *lsmrule, struct audit_context *actx) | |
2777 | { | |
2778 | return 0; | |
2779 | } | |
2780 | ||
2781 | static inline void security_audit_rule_free(void *lsmrule) | |
2782 | { } | |
2783 | ||
2784 | #endif /* CONFIG_SECURITY */ | |
2785 | #endif /* CONFIG_AUDIT */ | |
2786 | ||
1da177e4 LT |
2787 | #endif /* ! __LINUX_SECURITY_H */ |
2788 |