This source file includes following definitions.
- tomoyo_supervisor
- tomoyo_read_unlock
- tomoyo_sys_getppid
- tomoyo_sys_getpid
- tomoyo_pathcmp
- tomoyo_put_name
- tomoyo_put_condition
- tomoyo_put_group
- tomoyo_current_namespace
- tomoyo_round2
- tomoyo_round2
1
2
3
4
5
6
7
8
9
10 #ifndef _SECURITY_TOMOYO_COMMON_H
11 #define _SECURITY_TOMOYO_COMMON_H
12
13 #define pr_fmt(fmt) fmt
14
15 #include <linux/ctype.h>
16 #include <linux/string.h>
17 #include <linux/mm.h>
18 #include <linux/file.h>
19 #include <linux/kmod.h>
20 #include <linux/fs.h>
21 #include <linux/sched.h>
22 #include <linux/namei.h>
23 #include <linux/mount.h>
24 #include <linux/list.h>
25 #include <linux/cred.h>
26 #include <linux/poll.h>
27 #include <linux/binfmts.h>
28 #include <linux/highmem.h>
29 #include <linux/net.h>
30 #include <linux/inet.h>
31 #include <linux/in.h>
32 #include <linux/in6.h>
33 #include <linux/un.h>
34 #include <linux/lsm_hooks.h>
35 #include <net/sock.h>
36 #include <net/af_unix.h>
37 #include <net/ip.h>
38 #include <net/ipv6.h>
39 #include <net/udp.h>
40
41
42
43
44
45
46
47
48 #define TOMOYO_HASH_BITS 8
49 #define TOMOYO_MAX_HASH (1u<<TOMOYO_HASH_BITS)
50
51
52
53
54
55 #define TOMOYO_SOCK_MAX 6
56
57 #define TOMOYO_EXEC_TMPSIZE 4096
58
59
60 #define TOMOYO_GC_IN_PROGRESS -1
61
62
63 #define TOMOYO_MAX_PROFILES 256
64
65
66 #define TOMOYO_MAX_ACL_GROUPS 256
67
68
69 enum tomoyo_conditions_index {
70 TOMOYO_TASK_UID,
71 TOMOYO_TASK_EUID,
72 TOMOYO_TASK_SUID,
73 TOMOYO_TASK_FSUID,
74 TOMOYO_TASK_GID,
75 TOMOYO_TASK_EGID,
76 TOMOYO_TASK_SGID,
77 TOMOYO_TASK_FSGID,
78 TOMOYO_TASK_PID,
79 TOMOYO_TASK_PPID,
80 TOMOYO_EXEC_ARGC,
81 TOMOYO_EXEC_ENVC,
82 TOMOYO_TYPE_IS_SOCKET,
83 TOMOYO_TYPE_IS_SYMLINK,
84 TOMOYO_TYPE_IS_FILE,
85 TOMOYO_TYPE_IS_BLOCK_DEV,
86 TOMOYO_TYPE_IS_DIRECTORY,
87 TOMOYO_TYPE_IS_CHAR_DEV,
88 TOMOYO_TYPE_IS_FIFO,
89 TOMOYO_MODE_SETUID,
90 TOMOYO_MODE_SETGID,
91 TOMOYO_MODE_STICKY,
92 TOMOYO_MODE_OWNER_READ,
93 TOMOYO_MODE_OWNER_WRITE,
94 TOMOYO_MODE_OWNER_EXECUTE,
95 TOMOYO_MODE_GROUP_READ,
96 TOMOYO_MODE_GROUP_WRITE,
97 TOMOYO_MODE_GROUP_EXECUTE,
98 TOMOYO_MODE_OTHERS_READ,
99 TOMOYO_MODE_OTHERS_WRITE,
100 TOMOYO_MODE_OTHERS_EXECUTE,
101 TOMOYO_EXEC_REALPATH,
102 TOMOYO_SYMLINK_TARGET,
103 TOMOYO_PATH1_UID,
104 TOMOYO_PATH1_GID,
105 TOMOYO_PATH1_INO,
106 TOMOYO_PATH1_MAJOR,
107 TOMOYO_PATH1_MINOR,
108 TOMOYO_PATH1_PERM,
109 TOMOYO_PATH1_TYPE,
110 TOMOYO_PATH1_DEV_MAJOR,
111 TOMOYO_PATH1_DEV_MINOR,
112 TOMOYO_PATH2_UID,
113 TOMOYO_PATH2_GID,
114 TOMOYO_PATH2_INO,
115 TOMOYO_PATH2_MAJOR,
116 TOMOYO_PATH2_MINOR,
117 TOMOYO_PATH2_PERM,
118 TOMOYO_PATH2_TYPE,
119 TOMOYO_PATH2_DEV_MAJOR,
120 TOMOYO_PATH2_DEV_MINOR,
121 TOMOYO_PATH1_PARENT_UID,
122 TOMOYO_PATH1_PARENT_GID,
123 TOMOYO_PATH1_PARENT_INO,
124 TOMOYO_PATH1_PARENT_PERM,
125 TOMOYO_PATH2_PARENT_UID,
126 TOMOYO_PATH2_PARENT_GID,
127 TOMOYO_PATH2_PARENT_INO,
128 TOMOYO_PATH2_PARENT_PERM,
129 TOMOYO_MAX_CONDITION_KEYWORD,
130 TOMOYO_NUMBER_UNION,
131 TOMOYO_NAME_UNION,
132 TOMOYO_ARGV_ENTRY,
133 TOMOYO_ENVP_ENTRY,
134 };
135
136
137
138 enum tomoyo_path_stat_index {
139
140 TOMOYO_PATH1,
141 TOMOYO_PATH1_PARENT,
142 TOMOYO_PATH2,
143 TOMOYO_PATH2_PARENT,
144 TOMOYO_MAX_PATH_STAT
145 };
146
147
148 enum tomoyo_mode_index {
149 TOMOYO_CONFIG_DISABLED,
150 TOMOYO_CONFIG_LEARNING,
151 TOMOYO_CONFIG_PERMISSIVE,
152 TOMOYO_CONFIG_ENFORCING,
153 TOMOYO_CONFIG_MAX_MODE,
154 TOMOYO_CONFIG_WANT_REJECT_LOG = 64,
155 TOMOYO_CONFIG_WANT_GRANT_LOG = 128,
156 TOMOYO_CONFIG_USE_DEFAULT = 255,
157 };
158
159
160 enum tomoyo_policy_id {
161 TOMOYO_ID_GROUP,
162 TOMOYO_ID_ADDRESS_GROUP,
163 TOMOYO_ID_PATH_GROUP,
164 TOMOYO_ID_NUMBER_GROUP,
165 TOMOYO_ID_TRANSITION_CONTROL,
166 TOMOYO_ID_AGGREGATOR,
167 TOMOYO_ID_MANAGER,
168 TOMOYO_ID_CONDITION,
169 TOMOYO_ID_NAME,
170 TOMOYO_ID_ACL,
171 TOMOYO_ID_DOMAIN,
172 TOMOYO_MAX_POLICY
173 };
174
175
176 enum tomoyo_domain_info_flags_index {
177
178 TOMOYO_DIF_QUOTA_WARNED,
179
180
181
182
183
184
185 TOMOYO_DIF_TRANSITION_FAILED,
186 TOMOYO_MAX_DOMAIN_INFO_FLAGS
187 };
188
189
190 enum tomoyo_grant_log {
191
192 TOMOYO_GRANTLOG_AUTO,
193
194 TOMOYO_GRANTLOG_NO,
195
196 TOMOYO_GRANTLOG_YES,
197 };
198
199
200 enum tomoyo_group_id {
201 TOMOYO_PATH_GROUP,
202 TOMOYO_NUMBER_GROUP,
203 TOMOYO_ADDRESS_GROUP,
204 TOMOYO_MAX_GROUP
205 };
206
207
208 enum tomoyo_value_type {
209 TOMOYO_VALUE_TYPE_INVALID,
210 TOMOYO_VALUE_TYPE_DECIMAL,
211 TOMOYO_VALUE_TYPE_OCTAL,
212 TOMOYO_VALUE_TYPE_HEXADECIMAL,
213 };
214
215
216 enum tomoyo_transition_type {
217
218 TOMOYO_TRANSITION_CONTROL_NO_RESET,
219 TOMOYO_TRANSITION_CONTROL_RESET,
220 TOMOYO_TRANSITION_CONTROL_NO_INITIALIZE,
221 TOMOYO_TRANSITION_CONTROL_INITIALIZE,
222 TOMOYO_TRANSITION_CONTROL_NO_KEEP,
223 TOMOYO_TRANSITION_CONTROL_KEEP,
224 TOMOYO_MAX_TRANSITION_TYPE
225 };
226
227
228 enum tomoyo_acl_entry_type_index {
229 TOMOYO_TYPE_PATH_ACL,
230 TOMOYO_TYPE_PATH2_ACL,
231 TOMOYO_TYPE_PATH_NUMBER_ACL,
232 TOMOYO_TYPE_MKDEV_ACL,
233 TOMOYO_TYPE_MOUNT_ACL,
234 TOMOYO_TYPE_INET_ACL,
235 TOMOYO_TYPE_UNIX_ACL,
236 TOMOYO_TYPE_ENV_ACL,
237 TOMOYO_TYPE_MANUAL_TASK_ACL,
238 };
239
240
241 enum tomoyo_path_acl_index {
242 TOMOYO_TYPE_EXECUTE,
243 TOMOYO_TYPE_READ,
244 TOMOYO_TYPE_WRITE,
245 TOMOYO_TYPE_APPEND,
246 TOMOYO_TYPE_UNLINK,
247 TOMOYO_TYPE_GETATTR,
248 TOMOYO_TYPE_RMDIR,
249 TOMOYO_TYPE_TRUNCATE,
250 TOMOYO_TYPE_SYMLINK,
251 TOMOYO_TYPE_CHROOT,
252 TOMOYO_TYPE_UMOUNT,
253 TOMOYO_MAX_PATH_OPERATION
254 };
255
256
257 enum tomoyo_memory_stat_type {
258 TOMOYO_MEMORY_POLICY,
259 TOMOYO_MEMORY_AUDIT,
260 TOMOYO_MEMORY_QUERY,
261 TOMOYO_MAX_MEMORY_STAT
262 };
263
264 enum tomoyo_mkdev_acl_index {
265 TOMOYO_TYPE_MKBLOCK,
266 TOMOYO_TYPE_MKCHAR,
267 TOMOYO_MAX_MKDEV_OPERATION
268 };
269
270
271 enum tomoyo_network_acl_index {
272 TOMOYO_NETWORK_BIND,
273 TOMOYO_NETWORK_LISTEN,
274 TOMOYO_NETWORK_CONNECT,
275 TOMOYO_NETWORK_SEND,
276 TOMOYO_MAX_NETWORK_OPERATION
277 };
278
279
280 enum tomoyo_path2_acl_index {
281 TOMOYO_TYPE_LINK,
282 TOMOYO_TYPE_RENAME,
283 TOMOYO_TYPE_PIVOT_ROOT,
284 TOMOYO_MAX_PATH2_OPERATION
285 };
286
287
288 enum tomoyo_path_number_acl_index {
289 TOMOYO_TYPE_CREATE,
290 TOMOYO_TYPE_MKDIR,
291 TOMOYO_TYPE_MKFIFO,
292 TOMOYO_TYPE_MKSOCK,
293 TOMOYO_TYPE_IOCTL,
294 TOMOYO_TYPE_CHMOD,
295 TOMOYO_TYPE_CHOWN,
296 TOMOYO_TYPE_CHGRP,
297 TOMOYO_MAX_PATH_NUMBER_OPERATION
298 };
299
300
301 enum tomoyo_securityfs_interface_index {
302 TOMOYO_DOMAINPOLICY,
303 TOMOYO_EXCEPTIONPOLICY,
304 TOMOYO_PROCESS_STATUS,
305 TOMOYO_STAT,
306 TOMOYO_AUDIT,
307 TOMOYO_VERSION,
308 TOMOYO_PROFILE,
309 TOMOYO_QUERY,
310 TOMOYO_MANAGER
311 };
312
313
314 enum tomoyo_special_mount {
315 TOMOYO_MOUNT_BIND,
316 TOMOYO_MOUNT_MOVE,
317 TOMOYO_MOUNT_REMOUNT,
318 TOMOYO_MOUNT_MAKE_UNBINDABLE,
319 TOMOYO_MOUNT_MAKE_PRIVATE,
320 TOMOYO_MOUNT_MAKE_SLAVE,
321 TOMOYO_MOUNT_MAKE_SHARED,
322 TOMOYO_MAX_SPECIAL_MOUNT
323 };
324
325
326 enum tomoyo_mac_index {
327 TOMOYO_MAC_FILE_EXECUTE,
328 TOMOYO_MAC_FILE_OPEN,
329 TOMOYO_MAC_FILE_CREATE,
330 TOMOYO_MAC_FILE_UNLINK,
331 TOMOYO_MAC_FILE_GETATTR,
332 TOMOYO_MAC_FILE_MKDIR,
333 TOMOYO_MAC_FILE_RMDIR,
334 TOMOYO_MAC_FILE_MKFIFO,
335 TOMOYO_MAC_FILE_MKSOCK,
336 TOMOYO_MAC_FILE_TRUNCATE,
337 TOMOYO_MAC_FILE_SYMLINK,
338 TOMOYO_MAC_FILE_MKBLOCK,
339 TOMOYO_MAC_FILE_MKCHAR,
340 TOMOYO_MAC_FILE_LINK,
341 TOMOYO_MAC_FILE_RENAME,
342 TOMOYO_MAC_FILE_CHMOD,
343 TOMOYO_MAC_FILE_CHOWN,
344 TOMOYO_MAC_FILE_CHGRP,
345 TOMOYO_MAC_FILE_IOCTL,
346 TOMOYO_MAC_FILE_CHROOT,
347 TOMOYO_MAC_FILE_MOUNT,
348 TOMOYO_MAC_FILE_UMOUNT,
349 TOMOYO_MAC_FILE_PIVOT_ROOT,
350 TOMOYO_MAC_NETWORK_INET_STREAM_BIND,
351 TOMOYO_MAC_NETWORK_INET_STREAM_LISTEN,
352 TOMOYO_MAC_NETWORK_INET_STREAM_CONNECT,
353 TOMOYO_MAC_NETWORK_INET_DGRAM_BIND,
354 TOMOYO_MAC_NETWORK_INET_DGRAM_SEND,
355 TOMOYO_MAC_NETWORK_INET_RAW_BIND,
356 TOMOYO_MAC_NETWORK_INET_RAW_SEND,
357 TOMOYO_MAC_NETWORK_UNIX_STREAM_BIND,
358 TOMOYO_MAC_NETWORK_UNIX_STREAM_LISTEN,
359 TOMOYO_MAC_NETWORK_UNIX_STREAM_CONNECT,
360 TOMOYO_MAC_NETWORK_UNIX_DGRAM_BIND,
361 TOMOYO_MAC_NETWORK_UNIX_DGRAM_SEND,
362 TOMOYO_MAC_NETWORK_UNIX_SEQPACKET_BIND,
363 TOMOYO_MAC_NETWORK_UNIX_SEQPACKET_LISTEN,
364 TOMOYO_MAC_NETWORK_UNIX_SEQPACKET_CONNECT,
365 TOMOYO_MAC_ENVIRON,
366 TOMOYO_MAX_MAC_INDEX
367 };
368
369
370 enum tomoyo_mac_category_index {
371 TOMOYO_MAC_CATEGORY_FILE,
372 TOMOYO_MAC_CATEGORY_NETWORK,
373 TOMOYO_MAC_CATEGORY_MISC,
374 TOMOYO_MAX_MAC_CATEGORY_INDEX
375 };
376
377
378
379
380
381
382
383
384 #define TOMOYO_RETRY_REQUEST 1
385
386
387 enum tomoyo_policy_stat_type {
388
389 TOMOYO_STAT_POLICY_UPDATES,
390 TOMOYO_STAT_POLICY_LEARNING,
391 TOMOYO_STAT_POLICY_PERMISSIVE,
392 TOMOYO_STAT_POLICY_ENFORCING,
393 TOMOYO_MAX_POLICY_STAT
394 };
395
396
397 enum tomoyo_pref_index {
398 TOMOYO_PREF_MAX_AUDIT_LOG,
399 TOMOYO_PREF_MAX_LEARNING_ENTRY,
400 TOMOYO_MAX_PREF
401 };
402
403
404
405
406 struct tomoyo_acl_head {
407 struct list_head list;
408 s8 is_deleted;
409 } __packed;
410
411
412 struct tomoyo_shared_acl_head {
413 struct list_head list;
414 atomic_t users;
415 } __packed;
416
417 struct tomoyo_policy_namespace;
418
419
420 struct tomoyo_request_info {
421
422
423
424
425 struct tomoyo_obj_info *obj;
426
427
428
429
430 struct tomoyo_execve *ee;
431 struct tomoyo_domain_info *domain;
432
433 union {
434 struct {
435 const struct tomoyo_path_info *filename;
436
437 const struct tomoyo_path_info *matched_path;
438
439 u8 operation;
440 } path;
441 struct {
442 const struct tomoyo_path_info *filename1;
443 const struct tomoyo_path_info *filename2;
444
445 u8 operation;
446 } path2;
447 struct {
448 const struct tomoyo_path_info *filename;
449 unsigned int mode;
450 unsigned int major;
451 unsigned int minor;
452
453 u8 operation;
454 } mkdev;
455 struct {
456 const struct tomoyo_path_info *filename;
457 unsigned long number;
458
459
460
461
462 u8 operation;
463 } path_number;
464 struct {
465 const struct tomoyo_path_info *name;
466 } environ;
467 struct {
468 const __be32 *address;
469 u16 port;
470
471 u8 protocol;
472
473 u8 operation;
474 bool is_ipv6;
475 } inet_network;
476 struct {
477 const struct tomoyo_path_info *address;
478
479 u8 protocol;
480
481 u8 operation;
482 } unix_network;
483 struct {
484 const struct tomoyo_path_info *type;
485 const struct tomoyo_path_info *dir;
486 const struct tomoyo_path_info *dev;
487 unsigned long flags;
488 int need_dev;
489 } mount;
490 struct {
491 const struct tomoyo_path_info *domainname;
492 } task;
493 } param;
494 struct tomoyo_acl_info *matched_acl;
495 u8 param_type;
496 bool granted;
497 u8 retry;
498 u8 profile;
499 u8 mode;
500 u8 type;
501 };
502
503
504 struct tomoyo_path_info {
505 const char *name;
506 u32 hash;
507 u16 const_len;
508 bool is_dir;
509 bool is_patterned;
510 };
511
512
513 struct tomoyo_name {
514 struct tomoyo_shared_acl_head head;
515 struct tomoyo_path_info entry;
516 };
517
518
519 struct tomoyo_name_union {
520
521 const struct tomoyo_path_info *filename;
522 struct tomoyo_group *group;
523 };
524
525
526 struct tomoyo_number_union {
527 unsigned long values[2];
528 struct tomoyo_group *group;
529
530 u8 value_type[2];
531 };
532
533
534 struct tomoyo_ipaddr_union {
535 struct in6_addr ip[2];
536 struct tomoyo_group *group;
537 bool is_ipv6;
538 };
539
540
541 struct tomoyo_group {
542 struct tomoyo_shared_acl_head head;
543 const struct tomoyo_path_info *group_name;
544 struct list_head member_list;
545 };
546
547
548 struct tomoyo_path_group {
549 struct tomoyo_acl_head head;
550 const struct tomoyo_path_info *member_name;
551 };
552
553
554 struct tomoyo_number_group {
555 struct tomoyo_acl_head head;
556 struct tomoyo_number_union number;
557 };
558
559
560 struct tomoyo_address_group {
561 struct tomoyo_acl_head head;
562
563 struct tomoyo_ipaddr_union address;
564 };
565
566
567 struct tomoyo_mini_stat {
568 kuid_t uid;
569 kgid_t gid;
570 ino_t ino;
571 umode_t mode;
572 dev_t dev;
573 dev_t rdev;
574 };
575
576
577 struct tomoyo_page_dump {
578 struct page *page;
579 char *data;
580 };
581
582
583 struct tomoyo_obj_info {
584
585
586
587 bool validate_done;
588
589 bool stat_valid[TOMOYO_MAX_PATH_STAT];
590
591 struct path path1;
592
593 struct path path2;
594
595
596
597
598 struct tomoyo_mini_stat stat[TOMOYO_MAX_PATH_STAT];
599
600
601
602
603 struct tomoyo_path_info *symlink_target;
604 };
605
606
607 struct tomoyo_argv {
608 unsigned long index;
609 const struct tomoyo_path_info *value;
610 bool is_not;
611 };
612
613
614 struct tomoyo_envp {
615 const struct tomoyo_path_info *name;
616 const struct tomoyo_path_info *value;
617 bool is_not;
618 };
619
620
621 struct tomoyo_execve {
622 struct tomoyo_request_info r;
623 struct tomoyo_obj_info obj;
624 struct linux_binprm *bprm;
625 const struct tomoyo_path_info *transition;
626
627 struct tomoyo_page_dump dump;
628
629 char *tmp;
630 };
631
632
633 struct tomoyo_condition_element {
634
635
636
637
638
639 u8 left;
640
641
642
643
644
645
646 u8 right;
647
648 bool equals;
649 };
650
651
652 struct tomoyo_condition {
653 struct tomoyo_shared_acl_head head;
654 u32 size;
655 u16 condc;
656 u16 numbers_count;
657 u16 names_count;
658 u16 argc;
659 u16 envc;
660 u8 grant_log;
661 const struct tomoyo_path_info *transit;
662
663
664
665
666
667
668
669 };
670
671
672 struct tomoyo_acl_info {
673 struct list_head list;
674 struct tomoyo_condition *cond;
675 s8 is_deleted;
676 u8 type;
677 } __packed;
678
679
680 struct tomoyo_domain_info {
681 struct list_head list;
682 struct list_head acl_info_list;
683
684 const struct tomoyo_path_info *domainname;
685
686 struct tomoyo_policy_namespace *ns;
687
688 unsigned long group[TOMOYO_MAX_ACL_GROUPS / BITS_PER_LONG];
689 u8 profile;
690 bool is_deleted;
691 bool flags[TOMOYO_MAX_DOMAIN_INFO_FLAGS];
692 atomic_t users;
693 };
694
695
696
697
698 struct tomoyo_task_acl {
699 struct tomoyo_acl_info head;
700
701 const struct tomoyo_path_info *domainname;
702 };
703
704
705
706
707
708
709 struct tomoyo_path_acl {
710 struct tomoyo_acl_info head;
711 u16 perm;
712 struct tomoyo_name_union name;
713 };
714
715
716
717
718
719 struct tomoyo_path_number_acl {
720 struct tomoyo_acl_info head;
721
722 u8 perm;
723 struct tomoyo_name_union name;
724 struct tomoyo_number_union number;
725 };
726
727
728 struct tomoyo_mkdev_acl {
729 struct tomoyo_acl_info head;
730 u8 perm;
731 struct tomoyo_name_union name;
732 struct tomoyo_number_union mode;
733 struct tomoyo_number_union major;
734 struct tomoyo_number_union minor;
735 };
736
737
738
739
740 struct tomoyo_path2_acl {
741 struct tomoyo_acl_info head;
742 u8 perm;
743 struct tomoyo_name_union name1;
744 struct tomoyo_name_union name2;
745 };
746
747
748 struct tomoyo_mount_acl {
749 struct tomoyo_acl_info head;
750 struct tomoyo_name_union dev_name;
751 struct tomoyo_name_union dir_name;
752 struct tomoyo_name_union fs_type;
753 struct tomoyo_number_union flags;
754 };
755
756
757 struct tomoyo_env_acl {
758 struct tomoyo_acl_info head;
759 const struct tomoyo_path_info *env;
760 };
761
762
763 struct tomoyo_inet_acl {
764 struct tomoyo_acl_info head;
765 u8 protocol;
766 u8 perm;
767 struct tomoyo_ipaddr_union address;
768 struct tomoyo_number_union port;
769 };
770
771
772 struct tomoyo_unix_acl {
773 struct tomoyo_acl_info head;
774 u8 protocol;
775 u8 perm;
776 struct tomoyo_name_union name;
777 };
778
779
780 struct tomoyo_acl_param {
781 char *data;
782 struct list_head *list;
783 struct tomoyo_policy_namespace *ns;
784 bool is_delete;
785 };
786
787 #define TOMOYO_MAX_IO_READ_QUEUE 64
788
789
790
791
792
793 struct tomoyo_io_buffer {
794 void (*read)(struct tomoyo_io_buffer *head);
795 int (*write)(struct tomoyo_io_buffer *head);
796 __poll_t (*poll)(struct file *file, poll_table *wait);
797
798 struct mutex io_sem;
799 char __user *read_user_buf;
800 size_t read_user_buf_avail;
801 struct {
802 struct list_head *ns;
803 struct list_head *domain;
804 struct list_head *group;
805 struct list_head *acl;
806 size_t avail;
807 unsigned int step;
808 unsigned int query_index;
809 u16 index;
810 u16 cond_index;
811 u8 acl_group_index;
812 u8 cond_step;
813 u8 bit;
814 u8 w_pos;
815 bool eof;
816 bool print_this_domain_only;
817 bool print_transition_related_only;
818 bool print_cond_part;
819 const char *w[TOMOYO_MAX_IO_READ_QUEUE];
820 } r;
821 struct {
822 struct tomoyo_policy_namespace *ns;
823
824 struct tomoyo_domain_info *domain;
825
826 size_t avail;
827 bool is_delete;
828 } w;
829
830 char *read_buf;
831
832 size_t readbuf_size;
833
834 char *write_buf;
835
836 size_t writebuf_size;
837
838 enum tomoyo_securityfs_interface_index type;
839
840 u8 users;
841
842 struct list_head list;
843 };
844
845
846
847
848
849 struct tomoyo_transition_control {
850 struct tomoyo_acl_head head;
851 u8 type;
852
853 bool is_last_name;
854 const struct tomoyo_path_info *domainname;
855 const struct tomoyo_path_info *program;
856 };
857
858
859 struct tomoyo_aggregator {
860 struct tomoyo_acl_head head;
861 const struct tomoyo_path_info *original_name;
862 const struct tomoyo_path_info *aggregated_name;
863 };
864
865
866 struct tomoyo_manager {
867 struct tomoyo_acl_head head;
868
869 const struct tomoyo_path_info *manager;
870 };
871
872 struct tomoyo_preference {
873 unsigned int learning_max_entry;
874 bool enforcing_verbose;
875 bool learning_verbose;
876 bool permissive_verbose;
877 };
878
879
880 struct tomoyo_profile {
881 const struct tomoyo_path_info *comment;
882 struct tomoyo_preference *learning;
883 struct tomoyo_preference *permissive;
884 struct tomoyo_preference *enforcing;
885 struct tomoyo_preference preference;
886 u8 default_config;
887 u8 config[TOMOYO_MAX_MAC_INDEX + TOMOYO_MAX_MAC_CATEGORY_INDEX];
888 unsigned int pref[TOMOYO_MAX_PREF];
889 };
890
891
892 struct tomoyo_time {
893 u16 year;
894 u8 month;
895 u8 day;
896 u8 hour;
897 u8 min;
898 u8 sec;
899 };
900
901
902 struct tomoyo_policy_namespace {
903
904 struct tomoyo_profile *profile_ptr[TOMOYO_MAX_PROFILES];
905
906 struct list_head group_list[TOMOYO_MAX_GROUP];
907
908 struct list_head policy_list[TOMOYO_MAX_POLICY];
909
910 struct list_head acl_group[TOMOYO_MAX_ACL_GROUPS];
911
912 struct list_head namespace_list;
913
914 unsigned int profile_version;
915
916 const char *name;
917 };
918
919
920 struct tomoyo_task {
921 struct tomoyo_domain_info *domain_info;
922 struct tomoyo_domain_info *old_domain_info;
923 };
924
925
926
927 bool tomoyo_address_matches_group(const bool is_ipv6, const __be32 *address,
928 const struct tomoyo_group *group);
929 bool tomoyo_compare_number_union(const unsigned long value,
930 const struct tomoyo_number_union *ptr);
931 bool tomoyo_condition(struct tomoyo_request_info *r,
932 const struct tomoyo_condition *cond);
933 bool tomoyo_correct_domain(const unsigned char *domainname);
934 bool tomoyo_correct_path(const char *filename);
935 bool tomoyo_correct_word(const char *string);
936 bool tomoyo_domain_def(const unsigned char *buffer);
937 bool tomoyo_domain_quota_is_ok(struct tomoyo_request_info *r);
938 bool tomoyo_dump_page(struct linux_binprm *bprm, unsigned long pos,
939 struct tomoyo_page_dump *dump);
940 bool tomoyo_memory_ok(void *ptr);
941 bool tomoyo_number_matches_group(const unsigned long min,
942 const unsigned long max,
943 const struct tomoyo_group *group);
944 bool tomoyo_parse_ipaddr_union(struct tomoyo_acl_param *param,
945 struct tomoyo_ipaddr_union *ptr);
946 bool tomoyo_parse_name_union(struct tomoyo_acl_param *param,
947 struct tomoyo_name_union *ptr);
948 bool tomoyo_parse_number_union(struct tomoyo_acl_param *param,
949 struct tomoyo_number_union *ptr);
950 bool tomoyo_path_matches_pattern(const struct tomoyo_path_info *filename,
951 const struct tomoyo_path_info *pattern);
952 bool tomoyo_permstr(const char *string, const char *keyword);
953 bool tomoyo_str_starts(char **src, const char *find);
954 char *tomoyo_encode(const char *str);
955 char *tomoyo_encode2(const char *str, int str_len);
956 char *tomoyo_init_log(struct tomoyo_request_info *r, int len, const char *fmt,
957 va_list args);
958 char *tomoyo_read_token(struct tomoyo_acl_param *param);
959 char *tomoyo_realpath_from_path(const struct path *path);
960 char *tomoyo_realpath_nofollow(const char *pathname);
961 const char *tomoyo_get_exe(void);
962 const char *tomoyo_yesno(const unsigned int value);
963 const struct tomoyo_path_info *tomoyo_compare_name_union
964 (const struct tomoyo_path_info *name, const struct tomoyo_name_union *ptr);
965 const struct tomoyo_path_info *tomoyo_get_domainname
966 (struct tomoyo_acl_param *param);
967 const struct tomoyo_path_info *tomoyo_get_name(const char *name);
968 const struct tomoyo_path_info *tomoyo_path_matches_group
969 (const struct tomoyo_path_info *pathname, const struct tomoyo_group *group);
970 int tomoyo_check_open_permission(struct tomoyo_domain_info *domain,
971 const struct path *path, const int flag);
972 void tomoyo_close_control(struct tomoyo_io_buffer *head);
973 int tomoyo_env_perm(struct tomoyo_request_info *r, const char *env);
974 int tomoyo_execute_permission(struct tomoyo_request_info *r,
975 const struct tomoyo_path_info *filename);
976 int tomoyo_find_next_domain(struct linux_binprm *bprm);
977 int tomoyo_get_mode(const struct tomoyo_policy_namespace *ns, const u8 profile,
978 const u8 index);
979 int tomoyo_init_request_info(struct tomoyo_request_info *r,
980 struct tomoyo_domain_info *domain,
981 const u8 index);
982 int tomoyo_mkdev_perm(const u8 operation, const struct path *path,
983 const unsigned int mode, unsigned int dev);
984 int tomoyo_mount_permission(const char *dev_name, const struct path *path,
985 const char *type, unsigned long flags,
986 void *data_page);
987 int tomoyo_open_control(const u8 type, struct file *file);
988 int tomoyo_path2_perm(const u8 operation, const struct path *path1,
989 const struct path *path2);
990 int tomoyo_path_number_perm(const u8 operation, const struct path *path,
991 unsigned long number);
992 int tomoyo_path_perm(const u8 operation, const struct path *path,
993 const char *target);
994 __poll_t tomoyo_poll_control(struct file *file, poll_table *wait);
995 __poll_t tomoyo_poll_log(struct file *file, poll_table *wait);
996 int tomoyo_socket_bind_permission(struct socket *sock, struct sockaddr *addr,
997 int addr_len);
998 int tomoyo_socket_connect_permission(struct socket *sock,
999 struct sockaddr *addr, int addr_len);
1000 int tomoyo_socket_listen_permission(struct socket *sock);
1001 int tomoyo_socket_sendmsg_permission(struct socket *sock, struct msghdr *msg,
1002 int size);
1003 int tomoyo_supervisor(struct tomoyo_request_info *r, const char *fmt, ...)
1004 __printf(2, 3);
1005 int tomoyo_update_domain(struct tomoyo_acl_info *new_entry, const int size,
1006 struct tomoyo_acl_param *param,
1007 bool (*check_duplicate)
1008 (const struct tomoyo_acl_info *,
1009 const struct tomoyo_acl_info *),
1010 bool (*merge_duplicate)
1011 (struct tomoyo_acl_info *, struct tomoyo_acl_info *,
1012 const bool));
1013 int tomoyo_update_policy(struct tomoyo_acl_head *new_entry, const int size,
1014 struct tomoyo_acl_param *param,
1015 bool (*check_duplicate)
1016 (const struct tomoyo_acl_head *,
1017 const struct tomoyo_acl_head *));
1018 int tomoyo_write_aggregator(struct tomoyo_acl_param *param);
1019 int tomoyo_write_file(struct tomoyo_acl_param *param);
1020 int tomoyo_write_group(struct tomoyo_acl_param *param, const u8 type);
1021 int tomoyo_write_misc(struct tomoyo_acl_param *param);
1022 int tomoyo_write_inet_network(struct tomoyo_acl_param *param);
1023 int tomoyo_write_transition_control(struct tomoyo_acl_param *param,
1024 const u8 type);
1025 int tomoyo_write_unix_network(struct tomoyo_acl_param *param);
1026 ssize_t tomoyo_read_control(struct tomoyo_io_buffer *head, char __user *buffer,
1027 const int buffer_len);
1028 ssize_t tomoyo_write_control(struct tomoyo_io_buffer *head,
1029 const char __user *buffer, const int buffer_len);
1030 struct tomoyo_condition *tomoyo_get_condition(struct tomoyo_acl_param *param);
1031 struct tomoyo_domain_info *tomoyo_assign_domain(const char *domainname,
1032 const bool transit);
1033 struct tomoyo_domain_info *tomoyo_domain(void);
1034 struct tomoyo_domain_info *tomoyo_find_domain(const char *domainname);
1035 struct tomoyo_group *tomoyo_get_group(struct tomoyo_acl_param *param,
1036 const u8 idx);
1037 struct tomoyo_policy_namespace *tomoyo_assign_namespace
1038 (const char *domainname);
1039 struct tomoyo_profile *tomoyo_profile(const struct tomoyo_policy_namespace *ns,
1040 const u8 profile);
1041 unsigned int tomoyo_check_flags(const struct tomoyo_domain_info *domain,
1042 const u8 index);
1043 u8 tomoyo_parse_ulong(unsigned long *result, char **str);
1044 void *tomoyo_commit_ok(void *data, const unsigned int size);
1045 void __init tomoyo_load_builtin_policy(void);
1046 void __init tomoyo_mm_init(void);
1047 void tomoyo_check_acl(struct tomoyo_request_info *r,
1048 bool (*check_entry)(struct tomoyo_request_info *,
1049 const struct tomoyo_acl_info *));
1050 void tomoyo_check_profile(void);
1051 void tomoyo_convert_time(time64_t time, struct tomoyo_time *stamp);
1052 void tomoyo_del_condition(struct list_head *element);
1053 void tomoyo_fill_path_info(struct tomoyo_path_info *ptr);
1054 void tomoyo_get_attributes(struct tomoyo_obj_info *obj);
1055 void tomoyo_init_policy_namespace(struct tomoyo_policy_namespace *ns);
1056 void tomoyo_load_policy(const char *filename);
1057 void tomoyo_normalize_line(unsigned char *buffer);
1058 void tomoyo_notify_gc(struct tomoyo_io_buffer *head, const bool is_register);
1059 void tomoyo_print_ip(char *buf, const unsigned int size,
1060 const struct tomoyo_ipaddr_union *ptr);
1061 void tomoyo_print_ulong(char *buffer, const int buffer_len,
1062 const unsigned long value, const u8 type);
1063 void tomoyo_put_name_union(struct tomoyo_name_union *ptr);
1064 void tomoyo_put_number_union(struct tomoyo_number_union *ptr);
1065 void tomoyo_read_log(struct tomoyo_io_buffer *head);
1066 void tomoyo_update_stat(const u8 index);
1067 void tomoyo_warn_oom(const char *function);
1068 void tomoyo_write_log(struct tomoyo_request_info *r, const char *fmt, ...)
1069 __printf(2, 3);
1070 void tomoyo_write_log2(struct tomoyo_request_info *r, int len, const char *fmt,
1071 va_list args);
1072
1073
1074
1075 extern bool tomoyo_policy_loaded;
1076 extern int tomoyo_enabled;
1077 extern const char * const tomoyo_condition_keyword
1078 [TOMOYO_MAX_CONDITION_KEYWORD];
1079 extern const char * const tomoyo_dif[TOMOYO_MAX_DOMAIN_INFO_FLAGS];
1080 extern const char * const tomoyo_mac_keywords[TOMOYO_MAX_MAC_INDEX
1081 + TOMOYO_MAX_MAC_CATEGORY_INDEX];
1082 extern const char * const tomoyo_mode[TOMOYO_CONFIG_MAX_MODE];
1083 extern const char * const tomoyo_path_keyword[TOMOYO_MAX_PATH_OPERATION];
1084 extern const char * const tomoyo_proto_keyword[TOMOYO_SOCK_MAX];
1085 extern const char * const tomoyo_socket_keyword[TOMOYO_MAX_NETWORK_OPERATION];
1086 extern const u8 tomoyo_index2category[TOMOYO_MAX_MAC_INDEX];
1087 extern const u8 tomoyo_pn2mac[TOMOYO_MAX_PATH_NUMBER_OPERATION];
1088 extern const u8 tomoyo_pnnn2mac[TOMOYO_MAX_MKDEV_OPERATION];
1089 extern const u8 tomoyo_pp2mac[TOMOYO_MAX_PATH2_OPERATION];
1090 extern struct list_head tomoyo_condition_list;
1091 extern struct list_head tomoyo_domain_list;
1092 extern struct list_head tomoyo_name_list[TOMOYO_MAX_HASH];
1093 extern struct list_head tomoyo_namespace_list;
1094 extern struct mutex tomoyo_policy_lock;
1095 extern struct srcu_struct tomoyo_ss;
1096 extern struct tomoyo_domain_info tomoyo_kernel_domain;
1097 extern struct tomoyo_policy_namespace tomoyo_kernel_namespace;
1098 extern unsigned int tomoyo_memory_quota[TOMOYO_MAX_MEMORY_STAT];
1099 extern unsigned int tomoyo_memory_used[TOMOYO_MAX_MEMORY_STAT];
1100 extern struct lsm_blob_sizes tomoyo_blob_sizes;
1101
1102
1103
1104
1105
1106
1107
1108
1109 static inline int tomoyo_read_lock(void)
1110 {
1111 return srcu_read_lock(&tomoyo_ss);
1112 }
1113
1114
1115
1116
1117
1118
1119
1120
1121 static inline void tomoyo_read_unlock(int idx)
1122 {
1123 srcu_read_unlock(&tomoyo_ss, idx);
1124 }
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134 static inline pid_t tomoyo_sys_getppid(void)
1135 {
1136 pid_t pid;
1137
1138 rcu_read_lock();
1139 pid = task_tgid_vnr(rcu_dereference(current->real_parent));
1140 rcu_read_unlock();
1141 return pid;
1142 }
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152 static inline pid_t tomoyo_sys_getpid(void)
1153 {
1154 return task_tgid_vnr(current);
1155 }
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165 static inline bool tomoyo_pathcmp(const struct tomoyo_path_info *a,
1166 const struct tomoyo_path_info *b)
1167 {
1168 return a->hash != b->hash || strcmp(a->name, b->name);
1169 }
1170
1171
1172
1173
1174
1175
1176
1177
1178 static inline void tomoyo_put_name(const struct tomoyo_path_info *name)
1179 {
1180 if (name) {
1181 struct tomoyo_name *ptr =
1182 container_of(name, typeof(*ptr), entry);
1183 atomic_dec(&ptr->head.users);
1184 }
1185 }
1186
1187
1188
1189
1190
1191
1192
1193
1194 static inline void tomoyo_put_condition(struct tomoyo_condition *cond)
1195 {
1196 if (cond)
1197 atomic_dec(&cond->head.users);
1198 }
1199
1200
1201
1202
1203
1204
1205
1206
1207 static inline void tomoyo_put_group(struct tomoyo_group *group)
1208 {
1209 if (group)
1210 atomic_dec(&group->head.users);
1211 }
1212
1213
1214
1215
1216
1217
1218
1219
1220 static inline struct tomoyo_task *tomoyo_task(struct task_struct *task)
1221 {
1222 return task->security + tomoyo_blob_sizes.lbs_task;
1223 }
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233 static inline bool tomoyo_same_name_union
1234 (const struct tomoyo_name_union *a, const struct tomoyo_name_union *b)
1235 {
1236 return a->filename == b->filename && a->group == b->group;
1237 }
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247 static inline bool tomoyo_same_number_union
1248 (const struct tomoyo_number_union *a, const struct tomoyo_number_union *b)
1249 {
1250 return a->values[0] == b->values[0] && a->values[1] == b->values[1] &&
1251 a->group == b->group && a->value_type[0] == b->value_type[0] &&
1252 a->value_type[1] == b->value_type[1];
1253 }
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263 static inline bool tomoyo_same_ipaddr_union
1264 (const struct tomoyo_ipaddr_union *a, const struct tomoyo_ipaddr_union *b)
1265 {
1266 return !memcmp(a->ip, b->ip, sizeof(a->ip)) && a->group == b->group &&
1267 a->is_ipv6 == b->is_ipv6;
1268 }
1269
1270
1271
1272
1273
1274
1275 static inline struct tomoyo_policy_namespace *tomoyo_current_namespace(void)
1276 {
1277 return tomoyo_domain()->ns;
1278 }
1279
1280 #if defined(CONFIG_SLOB)
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291 static inline int tomoyo_round2(size_t size)
1292 {
1293 return size;
1294 }
1295
1296 #else
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308 static inline int tomoyo_round2(size_t size)
1309 {
1310 #if PAGE_SIZE == 4096
1311 size_t bsize = 32;
1312 #else
1313 size_t bsize = 64;
1314 #endif
1315 if (!size)
1316 return 0;
1317 while (size > bsize)
1318 bsize <<= 1;
1319 return bsize;
1320 }
1321
1322 #endif
1323
1324
1325
1326
1327
1328
1329 #define list_for_each_cookie(pos, head) \
1330 if (!pos) \
1331 pos = srcu_dereference((head)->next, &tomoyo_ss); \
1332 for ( ; pos != (head); pos = srcu_dereference(pos->next, &tomoyo_ss))
1333
1334 #endif