Contents of /alx-src/tags/kernel26-2.6.12-alx-r9/security/dummy.c
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Wed Mar 4 11:03:09 2009 UTC (15 years, 6 months ago) by niro
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Wed Mar 4 11:03:09 2009 UTC (15 years, 6 months ago) by niro
File MIME type: text/plain
File size: 23032 byte(s)
Tag kernel26-2.6.12-alx-r9
1 | /* |
2 | * Stub functions for the default security function pointers in case no |
3 | * security model is loaded. |
4 | * |
5 | * Copyright (C) 2001 WireX Communications, Inc <chris@wirex.com> |
6 | * Copyright (C) 2001-2002 Greg Kroah-Hartman <greg@kroah.com> |
7 | * Copyright (C) 2001 Networks Associates Technology, Inc <ssmalley@nai.com> |
8 | * |
9 | * This program is free software; you can redistribute it and/or modify |
10 | * it under the terms of the GNU General Public License as published by |
11 | * the Free Software Foundation; either version 2 of the License, or |
12 | * (at your option) any later version. |
13 | */ |
14 | |
15 | #undef DEBUG |
16 | |
17 | #include <linux/config.h> |
18 | #include <linux/module.h> |
19 | #include <linux/kernel.h> |
20 | #include <linux/mman.h> |
21 | #include <linux/pagemap.h> |
22 | #include <linux/swap.h> |
23 | #include <linux/security.h> |
24 | #include <linux/skbuff.h> |
25 | #include <linux/netlink.h> |
26 | #include <net/sock.h> |
27 | #include <linux/xattr.h> |
28 | #include <linux/hugetlb.h> |
29 | #include <linux/ptrace.h> |
30 | #include <linux/file.h> |
31 | |
32 | static int dummy_ptrace (struct task_struct *parent, struct task_struct *child) |
33 | { |
34 | return 0; |
35 | } |
36 | |
37 | static int dummy_capget (struct task_struct *target, kernel_cap_t * effective, |
38 | kernel_cap_t * inheritable, kernel_cap_t * permitted) |
39 | { |
40 | *effective = *inheritable = *permitted = 0; |
41 | if (!issecure(SECURE_NOROOT)) { |
42 | if (target->euid == 0) { |
43 | *permitted |= (~0 & ~CAP_FS_MASK); |
44 | *effective |= (~0 & ~CAP_TO_MASK(CAP_SETPCAP) & ~CAP_FS_MASK); |
45 | } |
46 | if (target->fsuid == 0) { |
47 | *permitted |= CAP_FS_MASK; |
48 | *effective |= CAP_FS_MASK; |
49 | } |
50 | } |
51 | return 0; |
52 | } |
53 | |
54 | static int dummy_capset_check (struct task_struct *target, |
55 | kernel_cap_t * effective, |
56 | kernel_cap_t * inheritable, |
57 | kernel_cap_t * permitted) |
58 | { |
59 | return -EPERM; |
60 | } |
61 | |
62 | static void dummy_capset_set (struct task_struct *target, |
63 | kernel_cap_t * effective, |
64 | kernel_cap_t * inheritable, |
65 | kernel_cap_t * permitted) |
66 | { |
67 | return; |
68 | } |
69 | |
70 | static int dummy_acct (struct file *file) |
71 | { |
72 | return 0; |
73 | } |
74 | |
75 | static int dummy_capable (struct task_struct *tsk, int cap) |
76 | { |
77 | if (cap_raised (tsk->cap_effective, cap)) |
78 | return 0; |
79 | return -EPERM; |
80 | } |
81 | |
82 | static int dummy_sysctl (ctl_table * table, int op) |
83 | { |
84 | return 0; |
85 | } |
86 | |
87 | static int dummy_quotactl (int cmds, int type, int id, struct super_block *sb) |
88 | { |
89 | return 0; |
90 | } |
91 | |
92 | static int dummy_quota_on (struct dentry *dentry) |
93 | { |
94 | return 0; |
95 | } |
96 | |
97 | static int dummy_syslog (int type) |
98 | { |
99 | if ((type != 3 && type != 10) && current->euid) |
100 | return -EPERM; |
101 | return 0; |
102 | } |
103 | |
104 | static int dummy_settime(struct timespec *ts, struct timezone *tz) |
105 | { |
106 | if (!capable(CAP_SYS_TIME)) |
107 | return -EPERM; |
108 | return 0; |
109 | } |
110 | |
111 | static int dummy_vm_enough_memory(long pages) |
112 | { |
113 | int cap_sys_admin = 0; |
114 | |
115 | if (dummy_capable(current, CAP_SYS_ADMIN) == 0) |
116 | cap_sys_admin = 1; |
117 | return __vm_enough_memory(pages, cap_sys_admin); |
118 | } |
119 | |
120 | static int dummy_bprm_alloc_security (struct linux_binprm *bprm) |
121 | { |
122 | return 0; |
123 | } |
124 | |
125 | static void dummy_bprm_free_security (struct linux_binprm *bprm) |
126 | { |
127 | return; |
128 | } |
129 | |
130 | static void dummy_bprm_apply_creds (struct linux_binprm *bprm, int unsafe) |
131 | { |
132 | if (bprm->e_uid != current->uid || bprm->e_gid != current->gid) { |
133 | current->mm->dumpable = 0; |
134 | |
135 | if ((unsafe & ~LSM_UNSAFE_PTRACE_CAP) && !capable(CAP_SETUID)) { |
136 | bprm->e_uid = current->uid; |
137 | bprm->e_gid = current->gid; |
138 | } |
139 | } |
140 | |
141 | current->suid = current->euid = current->fsuid = bprm->e_uid; |
142 | current->sgid = current->egid = current->fsgid = bprm->e_gid; |
143 | |
144 | dummy_capget(current, ¤t->cap_effective, ¤t->cap_inheritable, ¤t->cap_permitted); |
145 | } |
146 | |
147 | static void dummy_bprm_post_apply_creds (struct linux_binprm *bprm) |
148 | { |
149 | return; |
150 | } |
151 | |
152 | static int dummy_bprm_set_security (struct linux_binprm *bprm) |
153 | { |
154 | return 0; |
155 | } |
156 | |
157 | static int dummy_bprm_check_security (struct linux_binprm *bprm) |
158 | { |
159 | return 0; |
160 | } |
161 | |
162 | static int dummy_bprm_secureexec (struct linux_binprm *bprm) |
163 | { |
164 | /* The new userland will simply use the value provided |
165 | in the AT_SECURE field to decide whether secure mode |
166 | is required. Hence, this logic is required to preserve |
167 | the legacy decision algorithm used by the old userland. */ |
168 | return (current->euid != current->uid || |
169 | current->egid != current->gid); |
170 | } |
171 | |
172 | static int dummy_sb_alloc_security (struct super_block *sb) |
173 | { |
174 | return 0; |
175 | } |
176 | |
177 | static void dummy_sb_free_security (struct super_block *sb) |
178 | { |
179 | return; |
180 | } |
181 | |
182 | static int dummy_sb_copy_data (struct file_system_type *type, |
183 | void *orig, void *copy) |
184 | { |
185 | return 0; |
186 | } |
187 | |
188 | static int dummy_sb_kern_mount (struct super_block *sb, void *data) |
189 | { |
190 | return 0; |
191 | } |
192 | |
193 | static int dummy_sb_statfs (struct super_block *sb) |
194 | { |
195 | return 0; |
196 | } |
197 | |
198 | static int dummy_sb_mount (char *dev_name, struct nameidata *nd, char *type, |
199 | unsigned long flags, void *data) |
200 | { |
201 | return 0; |
202 | } |
203 | |
204 | static int dummy_sb_check_sb (struct vfsmount *mnt, struct nameidata *nd) |
205 | { |
206 | return 0; |
207 | } |
208 | |
209 | static int dummy_sb_umount (struct vfsmount *mnt, int flags) |
210 | { |
211 | return 0; |
212 | } |
213 | |
214 | static void dummy_sb_umount_close (struct vfsmount *mnt) |
215 | { |
216 | return; |
217 | } |
218 | |
219 | static void dummy_sb_umount_busy (struct vfsmount *mnt) |
220 | { |
221 | return; |
222 | } |
223 | |
224 | static void dummy_sb_post_remount (struct vfsmount *mnt, unsigned long flags, |
225 | void *data) |
226 | { |
227 | return; |
228 | } |
229 | |
230 | |
231 | static void dummy_sb_post_mountroot (void) |
232 | { |
233 | return; |
234 | } |
235 | |
236 | static void dummy_sb_post_addmount (struct vfsmount *mnt, struct nameidata *nd) |
237 | { |
238 | return; |
239 | } |
240 | |
241 | static int dummy_sb_pivotroot (struct nameidata *old_nd, struct nameidata *new_nd) |
242 | { |
243 | return 0; |
244 | } |
245 | |
246 | static void dummy_sb_post_pivotroot (struct nameidata *old_nd, struct nameidata *new_nd) |
247 | { |
248 | return; |
249 | } |
250 | |
251 | static int dummy_inode_alloc_security (struct inode *inode) |
252 | { |
253 | return 0; |
254 | } |
255 | |
256 | static void dummy_inode_free_security (struct inode *inode) |
257 | { |
258 | return; |
259 | } |
260 | |
261 | static int dummy_inode_create (struct inode *inode, struct dentry *dentry, |
262 | int mask) |
263 | { |
264 | return 0; |
265 | } |
266 | |
267 | static void dummy_inode_post_create (struct inode *inode, struct dentry *dentry, |
268 | int mask) |
269 | { |
270 | return; |
271 | } |
272 | |
273 | static int dummy_inode_link (struct dentry *old_dentry, struct inode *inode, |
274 | struct dentry *new_dentry) |
275 | { |
276 | return 0; |
277 | } |
278 | |
279 | static void dummy_inode_post_link (struct dentry *old_dentry, |
280 | struct inode *inode, |
281 | struct dentry *new_dentry) |
282 | { |
283 | return; |
284 | } |
285 | |
286 | static int dummy_inode_unlink (struct inode *inode, struct dentry *dentry) |
287 | { |
288 | return 0; |
289 | } |
290 | |
291 | static int dummy_inode_symlink (struct inode *inode, struct dentry *dentry, |
292 | const char *name) |
293 | { |
294 | return 0; |
295 | } |
296 | |
297 | static void dummy_inode_post_symlink (struct inode *inode, |
298 | struct dentry *dentry, const char *name) |
299 | { |
300 | return; |
301 | } |
302 | |
303 | static int dummy_inode_mkdir (struct inode *inode, struct dentry *dentry, |
304 | int mask) |
305 | { |
306 | return 0; |
307 | } |
308 | |
309 | static void dummy_inode_post_mkdir (struct inode *inode, struct dentry *dentry, |
310 | int mask) |
311 | { |
312 | return; |
313 | } |
314 | |
315 | static int dummy_inode_rmdir (struct inode *inode, struct dentry *dentry) |
316 | { |
317 | return 0; |
318 | } |
319 | |
320 | static int dummy_inode_mknod (struct inode *inode, struct dentry *dentry, |
321 | int mode, dev_t dev) |
322 | { |
323 | return 0; |
324 | } |
325 | |
326 | static void dummy_inode_post_mknod (struct inode *inode, struct dentry *dentry, |
327 | int mode, dev_t dev) |
328 | { |
329 | return; |
330 | } |
331 | |
332 | static int dummy_inode_rename (struct inode *old_inode, |
333 | struct dentry *old_dentry, |
334 | struct inode *new_inode, |
335 | struct dentry *new_dentry) |
336 | { |
337 | return 0; |
338 | } |
339 | |
340 | static void dummy_inode_post_rename (struct inode *old_inode, |
341 | struct dentry *old_dentry, |
342 | struct inode *new_inode, |
343 | struct dentry *new_dentry) |
344 | { |
345 | return; |
346 | } |
347 | |
348 | static int dummy_inode_readlink (struct dentry *dentry) |
349 | { |
350 | return 0; |
351 | } |
352 | |
353 | static int dummy_inode_follow_link (struct dentry *dentry, |
354 | struct nameidata *nameidata) |
355 | { |
356 | return 0; |
357 | } |
358 | |
359 | static int dummy_inode_permission (struct inode *inode, int mask, struct nameidata *nd) |
360 | { |
361 | return 0; |
362 | } |
363 | |
364 | static int dummy_inode_setattr (struct dentry *dentry, struct iattr *iattr) |
365 | { |
366 | return 0; |
367 | } |
368 | |
369 | static int dummy_inode_getattr (struct vfsmount *mnt, struct dentry *dentry) |
370 | { |
371 | return 0; |
372 | } |
373 | |
374 | static void dummy_inode_delete (struct inode *ino) |
375 | { |
376 | return; |
377 | } |
378 | |
379 | static int dummy_inode_setxattr (struct dentry *dentry, char *name, void *value, |
380 | size_t size, int flags) |
381 | { |
382 | if (!strncmp(name, XATTR_SECURITY_PREFIX, |
383 | sizeof(XATTR_SECURITY_PREFIX) - 1) && |
384 | !capable(CAP_SYS_ADMIN)) |
385 | return -EPERM; |
386 | return 0; |
387 | } |
388 | |
389 | static void dummy_inode_post_setxattr (struct dentry *dentry, char *name, void *value, |
390 | size_t size, int flags) |
391 | { |
392 | } |
393 | |
394 | static int dummy_inode_getxattr (struct dentry *dentry, char *name) |
395 | { |
396 | return 0; |
397 | } |
398 | |
399 | static int dummy_inode_listxattr (struct dentry *dentry) |
400 | { |
401 | return 0; |
402 | } |
403 | |
404 | static int dummy_inode_removexattr (struct dentry *dentry, char *name) |
405 | { |
406 | if (!strncmp(name, XATTR_SECURITY_PREFIX, |
407 | sizeof(XATTR_SECURITY_PREFIX) - 1) && |
408 | !capable(CAP_SYS_ADMIN)) |
409 | return -EPERM; |
410 | return 0; |
411 | } |
412 | |
413 | static int dummy_inode_getsecurity(struct inode *inode, const char *name, void *buffer, size_t size) |
414 | { |
415 | return -EOPNOTSUPP; |
416 | } |
417 | |
418 | static int dummy_inode_setsecurity(struct inode *inode, const char *name, const void *value, size_t size, int flags) |
419 | { |
420 | return -EOPNOTSUPP; |
421 | } |
422 | |
423 | static int dummy_inode_listsecurity(struct inode *inode, char *buffer, size_t buffer_size) |
424 | { |
425 | return 0; |
426 | } |
427 | |
428 | static int dummy_file_permission (struct file *file, int mask) |
429 | { |
430 | return 0; |
431 | } |
432 | |
433 | static int dummy_file_alloc_security (struct file *file) |
434 | { |
435 | return 0; |
436 | } |
437 | |
438 | static void dummy_file_free_security (struct file *file) |
439 | { |
440 | return; |
441 | } |
442 | |
443 | static int dummy_file_ioctl (struct file *file, unsigned int command, |
444 | unsigned long arg) |
445 | { |
446 | return 0; |
447 | } |
448 | |
449 | static int dummy_file_mmap (struct file *file, unsigned long reqprot, |
450 | unsigned long prot, |
451 | unsigned long flags) |
452 | { |
453 | return 0; |
454 | } |
455 | |
456 | static int dummy_file_mprotect (struct vm_area_struct *vma, |
457 | unsigned long reqprot, |
458 | unsigned long prot) |
459 | { |
460 | return 0; |
461 | } |
462 | |
463 | static int dummy_file_lock (struct file *file, unsigned int cmd) |
464 | { |
465 | return 0; |
466 | } |
467 | |
468 | static int dummy_file_fcntl (struct file *file, unsigned int cmd, |
469 | unsigned long arg) |
470 | { |
471 | return 0; |
472 | } |
473 | |
474 | static int dummy_file_set_fowner (struct file *file) |
475 | { |
476 | return 0; |
477 | } |
478 | |
479 | static int dummy_file_send_sigiotask (struct task_struct *tsk, |
480 | struct fown_struct *fown, int sig) |
481 | { |
482 | return 0; |
483 | } |
484 | |
485 | static int dummy_file_receive (struct file *file) |
486 | { |
487 | return 0; |
488 | } |
489 | |
490 | static int dummy_task_create (unsigned long clone_flags) |
491 | { |
492 | return 0; |
493 | } |
494 | |
495 | static int dummy_task_alloc_security (struct task_struct *p) |
496 | { |
497 | return 0; |
498 | } |
499 | |
500 | static void dummy_task_free_security (struct task_struct *p) |
501 | { |
502 | return; |
503 | } |
504 | |
505 | static int dummy_task_setuid (uid_t id0, uid_t id1, uid_t id2, int flags) |
506 | { |
507 | return 0; |
508 | } |
509 | |
510 | static int dummy_task_post_setuid (uid_t id0, uid_t id1, uid_t id2, int flags) |
511 | { |
512 | dummy_capget(current, ¤t->cap_effective, ¤t->cap_inheritable, ¤t->cap_permitted); |
513 | return 0; |
514 | } |
515 | |
516 | static int dummy_task_setgid (gid_t id0, gid_t id1, gid_t id2, int flags) |
517 | { |
518 | return 0; |
519 | } |
520 | |
521 | static int dummy_task_setpgid (struct task_struct *p, pid_t pgid) |
522 | { |
523 | return 0; |
524 | } |
525 | |
526 | static int dummy_task_getpgid (struct task_struct *p) |
527 | { |
528 | return 0; |
529 | } |
530 | |
531 | static int dummy_task_getsid (struct task_struct *p) |
532 | { |
533 | return 0; |
534 | } |
535 | |
536 | static int dummy_task_setgroups (struct group_info *group_info) |
537 | { |
538 | return 0; |
539 | } |
540 | |
541 | static int dummy_task_setnice (struct task_struct *p, int nice) |
542 | { |
543 | return 0; |
544 | } |
545 | |
546 | static int dummy_task_setrlimit (unsigned int resource, struct rlimit *new_rlim) |
547 | { |
548 | return 0; |
549 | } |
550 | |
551 | static int dummy_task_setscheduler (struct task_struct *p, int policy, |
552 | struct sched_param *lp) |
553 | { |
554 | return 0; |
555 | } |
556 | |
557 | static int dummy_task_getscheduler (struct task_struct *p) |
558 | { |
559 | return 0; |
560 | } |
561 | |
562 | static int dummy_task_wait (struct task_struct *p) |
563 | { |
564 | return 0; |
565 | } |
566 | |
567 | static int dummy_task_kill (struct task_struct *p, struct siginfo *info, |
568 | int sig) |
569 | { |
570 | return 0; |
571 | } |
572 | |
573 | static int dummy_task_prctl (int option, unsigned long arg2, unsigned long arg3, |
574 | unsigned long arg4, unsigned long arg5) |
575 | { |
576 | return 0; |
577 | } |
578 | |
579 | static void dummy_task_reparent_to_init (struct task_struct *p) |
580 | { |
581 | p->euid = p->fsuid = 0; |
582 | return; |
583 | } |
584 | |
585 | static void dummy_task_to_inode(struct task_struct *p, struct inode *inode) |
586 | { } |
587 | |
588 | static int dummy_ipc_permission (struct kern_ipc_perm *ipcp, short flag) |
589 | { |
590 | return 0; |
591 | } |
592 | |
593 | static int dummy_msg_msg_alloc_security (struct msg_msg *msg) |
594 | { |
595 | return 0; |
596 | } |
597 | |
598 | static void dummy_msg_msg_free_security (struct msg_msg *msg) |
599 | { |
600 | return; |
601 | } |
602 | |
603 | static int dummy_msg_queue_alloc_security (struct msg_queue *msq) |
604 | { |
605 | return 0; |
606 | } |
607 | |
608 | static void dummy_msg_queue_free_security (struct msg_queue *msq) |
609 | { |
610 | return; |
611 | } |
612 | |
613 | static int dummy_msg_queue_associate (struct msg_queue *msq, |
614 | int msqflg) |
615 | { |
616 | return 0; |
617 | } |
618 | |
619 | static int dummy_msg_queue_msgctl (struct msg_queue *msq, int cmd) |
620 | { |
621 | return 0; |
622 | } |
623 | |
624 | static int dummy_msg_queue_msgsnd (struct msg_queue *msq, struct msg_msg *msg, |
625 | int msgflg) |
626 | { |
627 | return 0; |
628 | } |
629 | |
630 | static int dummy_msg_queue_msgrcv (struct msg_queue *msq, struct msg_msg *msg, |
631 | struct task_struct *target, long type, |
632 | int mode) |
633 | { |
634 | return 0; |
635 | } |
636 | |
637 | static int dummy_shm_alloc_security (struct shmid_kernel *shp) |
638 | { |
639 | return 0; |
640 | } |
641 | |
642 | static void dummy_shm_free_security (struct shmid_kernel *shp) |
643 | { |
644 | return; |
645 | } |
646 | |
647 | static int dummy_shm_associate (struct shmid_kernel *shp, int shmflg) |
648 | { |
649 | return 0; |
650 | } |
651 | |
652 | static int dummy_shm_shmctl (struct shmid_kernel *shp, int cmd) |
653 | { |
654 | return 0; |
655 | } |
656 | |
657 | static int dummy_shm_shmat (struct shmid_kernel *shp, char __user *shmaddr, |
658 | int shmflg) |
659 | { |
660 | return 0; |
661 | } |
662 | |
663 | static int dummy_sem_alloc_security (struct sem_array *sma) |
664 | { |
665 | return 0; |
666 | } |
667 | |
668 | static void dummy_sem_free_security (struct sem_array *sma) |
669 | { |
670 | return; |
671 | } |
672 | |
673 | static int dummy_sem_associate (struct sem_array *sma, int semflg) |
674 | { |
675 | return 0; |
676 | } |
677 | |
678 | static int dummy_sem_semctl (struct sem_array *sma, int cmd) |
679 | { |
680 | return 0; |
681 | } |
682 | |
683 | static int dummy_sem_semop (struct sem_array *sma, |
684 | struct sembuf *sops, unsigned nsops, int alter) |
685 | { |
686 | return 0; |
687 | } |
688 | |
689 | static int dummy_netlink_send (struct sock *sk, struct sk_buff *skb) |
690 | { |
691 | NETLINK_CB(skb).eff_cap = current->cap_effective; |
692 | return 0; |
693 | } |
694 | |
695 | static int dummy_netlink_recv (struct sk_buff *skb) |
696 | { |
697 | if (!cap_raised (NETLINK_CB (skb).eff_cap, CAP_NET_ADMIN)) |
698 | return -EPERM; |
699 | return 0; |
700 | } |
701 | |
702 | #ifdef CONFIG_SECURITY_NETWORK |
703 | static int dummy_unix_stream_connect (struct socket *sock, |
704 | struct socket *other, |
705 | struct sock *newsk) |
706 | { |
707 | return 0; |
708 | } |
709 | |
710 | static int dummy_unix_may_send (struct socket *sock, |
711 | struct socket *other) |
712 | { |
713 | return 0; |
714 | } |
715 | |
716 | static int dummy_socket_create (int family, int type, |
717 | int protocol, int kern) |
718 | { |
719 | return 0; |
720 | } |
721 | |
722 | static void dummy_socket_post_create (struct socket *sock, int family, int type, |
723 | int protocol, int kern) |
724 | { |
725 | return; |
726 | } |
727 | |
728 | static int dummy_socket_bind (struct socket *sock, struct sockaddr *address, |
729 | int addrlen) |
730 | { |
731 | return 0; |
732 | } |
733 | |
734 | static int dummy_socket_connect (struct socket *sock, struct sockaddr *address, |
735 | int addrlen) |
736 | { |
737 | return 0; |
738 | } |
739 | |
740 | static int dummy_socket_listen (struct socket *sock, int backlog) |
741 | { |
742 | return 0; |
743 | } |
744 | |
745 | static int dummy_socket_accept (struct socket *sock, struct socket *newsock) |
746 | { |
747 | return 0; |
748 | } |
749 | |
750 | static void dummy_socket_post_accept (struct socket *sock, |
751 | struct socket *newsock) |
752 | { |
753 | return; |
754 | } |
755 | |
756 | static int dummy_socket_sendmsg (struct socket *sock, struct msghdr *msg, |
757 | int size) |
758 | { |
759 | return 0; |
760 | } |
761 | |
762 | static int dummy_socket_recvmsg (struct socket *sock, struct msghdr *msg, |
763 | int size, int flags) |
764 | { |
765 | return 0; |
766 | } |
767 | |
768 | static int dummy_socket_getsockname (struct socket *sock) |
769 | { |
770 | return 0; |
771 | } |
772 | |
773 | static int dummy_socket_getpeername (struct socket *sock) |
774 | { |
775 | return 0; |
776 | } |
777 | |
778 | static int dummy_socket_setsockopt (struct socket *sock, int level, int optname) |
779 | { |
780 | return 0; |
781 | } |
782 | |
783 | static int dummy_socket_getsockopt (struct socket *sock, int level, int optname) |
784 | { |
785 | return 0; |
786 | } |
787 | |
788 | static int dummy_socket_shutdown (struct socket *sock, int how) |
789 | { |
790 | return 0; |
791 | } |
792 | |
793 | static int dummy_socket_sock_rcv_skb (struct sock *sk, struct sk_buff *skb) |
794 | { |
795 | return 0; |
796 | } |
797 | |
798 | static int dummy_socket_getpeersec(struct socket *sock, char __user *optval, |
799 | int __user *optlen, unsigned len) |
800 | { |
801 | return -ENOPROTOOPT; |
802 | } |
803 | |
804 | static inline int dummy_sk_alloc_security (struct sock *sk, int family, int priority) |
805 | { |
806 | return 0; |
807 | } |
808 | |
809 | static inline void dummy_sk_free_security (struct sock *sk) |
810 | { |
811 | } |
812 | #endif /* CONFIG_SECURITY_NETWORK */ |
813 | |
814 | static int dummy_register_security (const char *name, struct security_operations *ops) |
815 | { |
816 | return -EINVAL; |
817 | } |
818 | |
819 | static int dummy_unregister_security (const char *name, struct security_operations *ops) |
820 | { |
821 | return -EINVAL; |
822 | } |
823 | |
824 | static void dummy_d_instantiate (struct dentry *dentry, struct inode *inode) |
825 | { |
826 | return; |
827 | } |
828 | |
829 | static int dummy_getprocattr(struct task_struct *p, char *name, void *value, size_t size) |
830 | { |
831 | return -EINVAL; |
832 | } |
833 | |
834 | static int dummy_setprocattr(struct task_struct *p, char *name, void *value, size_t size) |
835 | { |
836 | return -EINVAL; |
837 | } |
838 | |
839 | |
840 | struct security_operations dummy_security_ops; |
841 | |
842 | #define set_to_dummy_if_null(ops, function) \ |
843 | do { \ |
844 | if (!ops->function) { \ |
845 | ops->function = dummy_##function; \ |
846 | pr_debug("Had to override the " #function \ |
847 | " security operation with the dummy one.\n");\ |
848 | } \ |
849 | } while (0) |
850 | |
851 | void security_fixup_ops (struct security_operations *ops) |
852 | { |
853 | set_to_dummy_if_null(ops, ptrace); |
854 | set_to_dummy_if_null(ops, capget); |
855 | set_to_dummy_if_null(ops, capset_check); |
856 | set_to_dummy_if_null(ops, capset_set); |
857 | set_to_dummy_if_null(ops, acct); |
858 | set_to_dummy_if_null(ops, capable); |
859 | set_to_dummy_if_null(ops, quotactl); |
860 | set_to_dummy_if_null(ops, quota_on); |
861 | set_to_dummy_if_null(ops, sysctl); |
862 | set_to_dummy_if_null(ops, syslog); |
863 | set_to_dummy_if_null(ops, settime); |
864 | set_to_dummy_if_null(ops, vm_enough_memory); |
865 | set_to_dummy_if_null(ops, bprm_alloc_security); |
866 | set_to_dummy_if_null(ops, bprm_free_security); |
867 | set_to_dummy_if_null(ops, bprm_apply_creds); |
868 | set_to_dummy_if_null(ops, bprm_post_apply_creds); |
869 | set_to_dummy_if_null(ops, bprm_set_security); |
870 | set_to_dummy_if_null(ops, bprm_check_security); |
871 | set_to_dummy_if_null(ops, bprm_secureexec); |
872 | set_to_dummy_if_null(ops, sb_alloc_security); |
873 | set_to_dummy_if_null(ops, sb_free_security); |
874 | set_to_dummy_if_null(ops, sb_copy_data); |
875 | set_to_dummy_if_null(ops, sb_kern_mount); |
876 | set_to_dummy_if_null(ops, sb_statfs); |
877 | set_to_dummy_if_null(ops, sb_mount); |
878 | set_to_dummy_if_null(ops, sb_check_sb); |
879 | set_to_dummy_if_null(ops, sb_umount); |
880 | set_to_dummy_if_null(ops, sb_umount_close); |
881 | set_to_dummy_if_null(ops, sb_umount_busy); |
882 | set_to_dummy_if_null(ops, sb_post_remount); |
883 | set_to_dummy_if_null(ops, sb_post_mountroot); |
884 | set_to_dummy_if_null(ops, sb_post_addmount); |
885 | set_to_dummy_if_null(ops, sb_pivotroot); |
886 | set_to_dummy_if_null(ops, sb_post_pivotroot); |
887 | set_to_dummy_if_null(ops, inode_alloc_security); |
888 | set_to_dummy_if_null(ops, inode_free_security); |
889 | set_to_dummy_if_null(ops, inode_create); |
890 | set_to_dummy_if_null(ops, inode_post_create); |
891 | set_to_dummy_if_null(ops, inode_link); |
892 | set_to_dummy_if_null(ops, inode_post_link); |
893 | set_to_dummy_if_null(ops, inode_unlink); |
894 | set_to_dummy_if_null(ops, inode_symlink); |
895 | set_to_dummy_if_null(ops, inode_post_symlink); |
896 | set_to_dummy_if_null(ops, inode_mkdir); |
897 | set_to_dummy_if_null(ops, inode_post_mkdir); |
898 | set_to_dummy_if_null(ops, inode_rmdir); |
899 | set_to_dummy_if_null(ops, inode_mknod); |
900 | set_to_dummy_if_null(ops, inode_post_mknod); |
901 | set_to_dummy_if_null(ops, inode_rename); |
902 | set_to_dummy_if_null(ops, inode_post_rename); |
903 | set_to_dummy_if_null(ops, inode_readlink); |
904 | set_to_dummy_if_null(ops, inode_follow_link); |
905 | set_to_dummy_if_null(ops, inode_permission); |
906 | set_to_dummy_if_null(ops, inode_setattr); |
907 | set_to_dummy_if_null(ops, inode_getattr); |
908 | set_to_dummy_if_null(ops, inode_delete); |
909 | set_to_dummy_if_null(ops, inode_setxattr); |
910 | set_to_dummy_if_null(ops, inode_post_setxattr); |
911 | set_to_dummy_if_null(ops, inode_getxattr); |
912 | set_to_dummy_if_null(ops, inode_listxattr); |
913 | set_to_dummy_if_null(ops, inode_removexattr); |
914 | set_to_dummy_if_null(ops, inode_getsecurity); |
915 | set_to_dummy_if_null(ops, inode_setsecurity); |
916 | set_to_dummy_if_null(ops, inode_listsecurity); |
917 | set_to_dummy_if_null(ops, file_permission); |
918 | set_to_dummy_if_null(ops, file_alloc_security); |
919 | set_to_dummy_if_null(ops, file_free_security); |
920 | set_to_dummy_if_null(ops, file_ioctl); |
921 | set_to_dummy_if_null(ops, file_mmap); |
922 | set_to_dummy_if_null(ops, file_mprotect); |
923 | set_to_dummy_if_null(ops, file_lock); |
924 | set_to_dummy_if_null(ops, file_fcntl); |
925 | set_to_dummy_if_null(ops, file_set_fowner); |
926 | set_to_dummy_if_null(ops, file_send_sigiotask); |
927 | set_to_dummy_if_null(ops, file_receive); |
928 | set_to_dummy_if_null(ops, task_create); |
929 | set_to_dummy_if_null(ops, task_alloc_security); |
930 | set_to_dummy_if_null(ops, task_free_security); |
931 | set_to_dummy_if_null(ops, task_setuid); |
932 | set_to_dummy_if_null(ops, task_post_setuid); |
933 | set_to_dummy_if_null(ops, task_setgid); |
934 | set_to_dummy_if_null(ops, task_setpgid); |
935 | set_to_dummy_if_null(ops, task_getpgid); |
936 | set_to_dummy_if_null(ops, task_getsid); |
937 | set_to_dummy_if_null(ops, task_setgroups); |
938 | set_to_dummy_if_null(ops, task_setnice); |
939 | set_to_dummy_if_null(ops, task_setrlimit); |
940 | set_to_dummy_if_null(ops, task_setscheduler); |
941 | set_to_dummy_if_null(ops, task_getscheduler); |
942 | set_to_dummy_if_null(ops, task_wait); |
943 | set_to_dummy_if_null(ops, task_kill); |
944 | set_to_dummy_if_null(ops, task_prctl); |
945 | set_to_dummy_if_null(ops, task_reparent_to_init); |
946 | set_to_dummy_if_null(ops, task_to_inode); |
947 | set_to_dummy_if_null(ops, ipc_permission); |
948 | set_to_dummy_if_null(ops, msg_msg_alloc_security); |
949 | set_to_dummy_if_null(ops, msg_msg_free_security); |
950 | set_to_dummy_if_null(ops, msg_queue_alloc_security); |
951 | set_to_dummy_if_null(ops, msg_queue_free_security); |
952 | set_to_dummy_if_null(ops, msg_queue_associate); |
953 | set_to_dummy_if_null(ops, msg_queue_msgctl); |
954 | set_to_dummy_if_null(ops, msg_queue_msgsnd); |
955 | set_to_dummy_if_null(ops, msg_queue_msgrcv); |
956 | set_to_dummy_if_null(ops, shm_alloc_security); |
957 | set_to_dummy_if_null(ops, shm_free_security); |
958 | set_to_dummy_if_null(ops, shm_associate); |
959 | set_to_dummy_if_null(ops, shm_shmctl); |
960 | set_to_dummy_if_null(ops, shm_shmat); |
961 | set_to_dummy_if_null(ops, sem_alloc_security); |
962 | set_to_dummy_if_null(ops, sem_free_security); |
963 | set_to_dummy_if_null(ops, sem_associate); |
964 | set_to_dummy_if_null(ops, sem_semctl); |
965 | set_to_dummy_if_null(ops, sem_semop); |
966 | set_to_dummy_if_null(ops, netlink_send); |
967 | set_to_dummy_if_null(ops, netlink_recv); |
968 | set_to_dummy_if_null(ops, register_security); |
969 | set_to_dummy_if_null(ops, unregister_security); |
970 | set_to_dummy_if_null(ops, d_instantiate); |
971 | set_to_dummy_if_null(ops, getprocattr); |
972 | set_to_dummy_if_null(ops, setprocattr); |
973 | #ifdef CONFIG_SECURITY_NETWORK |
974 | set_to_dummy_if_null(ops, unix_stream_connect); |
975 | set_to_dummy_if_null(ops, unix_may_send); |
976 | set_to_dummy_if_null(ops, socket_create); |
977 | set_to_dummy_if_null(ops, socket_post_create); |
978 | set_to_dummy_if_null(ops, socket_bind); |
979 | set_to_dummy_if_null(ops, socket_connect); |
980 | set_to_dummy_if_null(ops, socket_listen); |
981 | set_to_dummy_if_null(ops, socket_accept); |
982 | set_to_dummy_if_null(ops, socket_post_accept); |
983 | set_to_dummy_if_null(ops, socket_sendmsg); |
984 | set_to_dummy_if_null(ops, socket_recvmsg); |
985 | set_to_dummy_if_null(ops, socket_getsockname); |
986 | set_to_dummy_if_null(ops, socket_getpeername); |
987 | set_to_dummy_if_null(ops, socket_setsockopt); |
988 | set_to_dummy_if_null(ops, socket_getsockopt); |
989 | set_to_dummy_if_null(ops, socket_shutdown); |
990 | set_to_dummy_if_null(ops, socket_sock_rcv_skb); |
991 | set_to_dummy_if_null(ops, socket_getpeersec); |
992 | set_to_dummy_if_null(ops, sk_alloc_security); |
993 | set_to_dummy_if_null(ops, sk_free_security); |
994 | #endif /* CONFIG_SECURITY_NETWORK */ |
995 | } |
996 |