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7029 want per-process exploit mitigation features (secflags)
[unleashed.git] / usr / src / cmd / auditreduce / token.c
blob515352286517735abd9349d363310611bc351275
1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * Copyright 2010 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
24 * Copyright 2012 Milan Jurik. All rights reserved.
25 */
26
27
28 /*
29 * Token processing for auditreduce.
30 */
31
32 #include <locale.h>
33 #include <sys/zone.h>
34 #include "auditr.h"
35 #include "toktable.h"
36
37 extern int re_exec2(char *);
38
39 static void anchor_path(char *path);
40 static char *collapse_path(char *s);
41 static void get_string(adr_t *adr, char **p);
42 static int ipc_type_match(int flag, char type);
43 static void skip_string(adr_t *adr);
44 static int xgeneric(adr_t *adr);
45
46 #if AUDIT_REC
47 void
48 print_id(int id)
49 {
50 char *suffix;
51
52 if ((id < 0) || (id > MAXTOKEN) ||
53 (tokentable[id].func == NOFUNC)) {
54 (void) fprintf(stderr,
55 "token_processing: token %d not found\n", id);
56 return;
57 }
58
59 switch (id) {
60 case AUT_NEWGROUPS:
61 suffix = "_new";
62 break;
63 case AUT_ATTR32:
64 suffix = "32";
65 break;
66 case AUT_ARG64:
67 case AUT_RETURN64:
68 case AUT_ATTR64:
69 case AUT_HEADER64:
70 case AUT_SUBJECT64:
71 case AUT_PROCESS64:
72 case AUT_OTHER_FILE64:
73 suffix = "64";
74 break;
75 case AUT_SOCKET_EX:
76 case AUT_IN_ADDR_EX:
77 suffix = "_ex";
78 break;
79 case AUT_HEADER32_EX:
80 case AUT_SUBJECT32_EX:
81 case AUT_PROCESS32_EX:
82 suffix = "32_ex";
83 break;
84 case AUT_HEADER64_EX:
85 case AUT_SUBJECT64_EX:
86 case AUT_PROCESS64_EX:
87 suffix = "64_ex";
88 break;
89 default:
90 suffix = "";
91 break;
92 }
93 (void) fprintf(stderr, "token_processing: %s%s\n",
94 tokentable[id].t_name, suffix);
95 }
96 #endif /* AUDIT_REC */
97
98 /*
99 * Process a token in a record to determine whether the record is interesting.
100 */
101
102 int
103 token_processing(adr_t *adr, int tokenid)
104 {
105 if ((tokenid > 0) && (tokenid <= MAXTOKEN) &&
106 (tokentable[tokenid].func != NOFUNC)) {
107 #if AUDIT_REC
108 print_id(tokenid);
109 #endif /* AUDIT_REC */
110 return ((*tokentable[tokenid].func)(adr));
111 }
112
113 /* here if token id is not in table */
114 return (-2);
115 }
116
117
118 /* There should not be any file or header tokens in the middle of a record */
119
120 /* ARGSUSED */
121 int
122 file_token(adr_t *adr)
123 {
124 return (-2);
125 }
126
127 /* ARGSUSED */
128 int
129 file64_token(adr_t *adr)
130 {
131 return (-2);
132 }
133
134 /* ARGSUSED */
135 int
136 header_token(adr_t *adr)
137 {
138 return (-2);
139 }
140
141 /* ARGSUSED */
142 int
143 header32_ex_token(adr_t *adr)
144 {
145 return (-2);
146 }
147
148 /* ARGSUSED */
149 int
150 header64_ex_token(adr_t *adr)
151 {
152 return (-2);
153 }
154
155 /* ARGSUSED */
156 int
157 header64_token(adr_t *adr)
158 {
159 return (-2);
160 }
161
162
163 /*
164 * ======================================================
165 * The following token processing routines return
166 * -1: if the record is not interesting
167 * -2: if an error is found
168 * ======================================================
169 */
170
171 int
172 trailer_token(adr_t *adr)
173 {
174 short magic_number;
175 uint32_t bytes;
176
177 adrm_u_short(adr, (ushort_t *)&magic_number, 1);
178 if (magic_number != AUT_TRAILER_MAGIC) {
179 (void) fprintf(stderr, "%s\n",
180 gettext("auditreduce: Bad trailer token"));
181 return (-2);
182 }
183 adrm_u_int32(adr, &bytes, 1);
184
185 return (-1);
186 }
187
188
189 /*
190 * Format of arbitrary data token:
191 * arbitrary data token id adr char
192 * how to print adr_char
193 * basic unit adr_char
194 * unit count adr_char, specifying number of units of
195 * data items depends on basic unit
196 */
197 int
198 arbitrary_data_token(adr_t *adr)
199 {
200 int i;
201 char c1;
202 short c2;
203 int32_t c3;
204 int64_t c4;
205 char how_to_print, basic_unit, unit_count;
206
207 /* get how_to_print, basic_unit, and unit_count */
208 adrm_char(adr, &how_to_print, 1);
209 adrm_char(adr, &basic_unit, 1);
210 adrm_char(adr, &unit_count, 1);
211 for (i = 0; i < unit_count; i++) {
212 switch (basic_unit) {
213 /* case AUR_BYTE: has same value as AUR_CHAR */
214 case AUR_CHAR:
215 adrm_char(adr, &c1, 1);
216 break;
217 case AUR_SHORT:
218 adrm_short(adr, &c2, 1);
219 break;
220 case AUR_INT32:
221 adrm_int32(adr, (int32_t *)&c3, 1);
222 break;
223 case AUR_INT64:
224 adrm_int64(adr, (int64_t *)&c4, 1);
225 break;
226 default:
227 return (-2);
228 }
229 }
230 return (-1);
231 }
232
233
234 /*
235 * Format of opaque token:
236 * opaque token id adr_char
237 * size adr_short
238 * data adr_char, size times
239 */
240 int
241 opaque_token(adr_t *adr)
242 {
243 skip_string(adr);
244 return (-1);
245 }
246
247
248
249 /*
250 * Format of return32 value token:
251 * return value token id adr_char
252 * error number adr_char
253 * return value adr_u_int32
254 */
255 int
256 return_value32_token(adr_t *adr)
257 {
258 char errnum;
259 uint32_t value;
260
261 adrm_char(adr, &errnum, 1);
262 adrm_u_int32(adr, &value, 1);
263 if ((flags & M_SORF) &&
264 ((global_class & mask.am_success) && (errnum == 0)) ||
265 ((global_class & mask.am_failure) && (errnum != 0))) {
266 checkflags |= M_SORF;
267 }
268 return (-1);
269 }
270
271 /*
272 * Format of return64 value token:
273 * return value token id adr_char
274 * error number adr_char
275 * return value adr_u_int64
276 */
277 int
278 return_value64_token(adr_t *adr)
279 {
280 char errnum;
281 uint64_t value;
282
283 adrm_char(adr, &errnum, 1);
284 adrm_u_int64(adr, &value, 1);
285 if ((flags & M_SORF) &&
286 ((global_class & mask.am_success) && (errnum == 0)) ||
287 ((global_class & mask.am_failure) && (errnum != 0))) {
288 checkflags |= M_SORF;
289 }
290 return (-1);
291 }
292
293
294 /*
295 * Format of sequence token:
296 * sequence token id adr_char
297 * audit_count int32_t
298 */
299 int
300 sequence_token(adr_t *adr)
301 {
302 int32_t audit_count;
303
304 adrm_int32(adr, &audit_count, 1);
305 return (-1);
306 }
307
308
309 /*
310 * Format of text token:
311 * text token id adr_char
312 * text adr_string
313 */
314 int
315 text_token(adr_t *adr)
316 {
317 skip_string(adr);
318 return (-1);
319 }
320
321
322 /*
323 * Format of ip_addr token:
324 * ip token id adr_char
325 * address adr_int32
326 */
327 int
328 ip_addr_token(adr_t *adr)
329 {
330 int32_t address;
331
332 adrm_char(adr, (char *)&address, 4);
333
334 return (-1);
335 }
336
337 /*
338 * Format of ip_addr_ex token:
339 * ip token id adr_char
340 * ip type adr_int32
341 * ip address adr_u_char*type
342 */
343 int
344 ip_addr_ex_token(adr_t *adr)
345 {
346 int32_t type;
347 uchar_t address[16];
348
349 adrm_int32(adr, (int32_t *)&type, 1);
350 adrm_u_char(adr, address, type);
351
352 return (-1);
353 }
354
355 /*
356 * Format of ip token:
357 * ip header token id adr_char
358 * version adr_char
359 * type of service adr_char
360 * length adr_short
361 * id adr_u_short
362 * offset adr_u_short
363 * ttl adr_char
364 * protocol adr_char
365 * checksum adr_u_short
366 * source address adr_int32
367 * destination address adr_int32
368 */
369 int
370 ip_token(adr_t *adr)
371 {
372 char version;
373 char type;
374 short len;
375 unsigned short id, offset, checksum;
376 char ttl, protocol;
377 int32_t src, dest;
378
379 adrm_char(adr, &version, 1);
380 adrm_char(adr, &type, 1);
381 adrm_short(adr, &len, 1);
382 adrm_u_short(adr, &id, 1);
383 adrm_u_short(adr, &offset, 1);
384 adrm_char(adr, &ttl, 1);
385 adrm_char(adr, &protocol, 1);
386 adrm_u_short(adr, &checksum, 1);
387 adrm_char(adr, (char *)&src, 4);
388 adrm_char(adr, (char *)&dest, 4);
389
390 return (-1);
391 }
392
393
394 /*
395 * Format of iport token:
396 * ip port address token id adr_char
397 * port address adr_short
398 */
399 int
400 iport_token(adr_t *adr)
401 {
402 short address;
403
404 adrm_short(adr, &address, 1);
405
406 return (-1);
407 }
408
409
410 /*
411 * Format of groups token:
412 * group token id adr_char
413 * group list adr_int32, 16 times
414 */
415 int
416 group_token(adr_t *adr)
417 {
418 int gid[16];
419 int i;
420 int flag = 0;
421
422 for (i = 0; i < 16; i++) {
423 adrm_int32(adr, (int32_t *)&gid[i], 1);
424 if (flags & M_GROUPR) {
425 if ((unsigned short)m_groupr == gid[i])
426 flag = 1;
427 }
428 }
429
430 if (flags & M_GROUPR) {
431 if (flag)
432 checkflags |= M_GROUPR;
433 }
434 return (-1);
435 }
436
437 /*
438 * Format of newgroups token:
439 * group token id adr_char
440 * number of groups adr_short
441 * group list adr_int32, "number" times
442 */
443 int
444 newgroup_token(adr_t *adr)
445 {
446 gid_t gid;
447 int i;
448 short int number;
449
450 adrm_short(adr, &number, 1);
451
452 for (i = 0; i < number; i++) {
453 adrm_int32(adr, (int32_t *)&gid, 1);
454 if (flags & M_GROUPR) {
455 if (m_groupr == gid)
456 checkflags |= M_GROUPR;
457 }
458 }
459
460 return (-1);
461 }
462
463 /*
464 * Format of argument32 token:
465 * argument token id adr_char
466 * argument number adr_char
467 * argument value adr_int32
468 * argument description adr_string
469 */
470 int
471 argument32_token(adr_t *adr)
472 {
473 char arg_num;
474 int32_t arg_val;
475
476 adrm_char(adr, &arg_num, 1);
477 adrm_int32(adr, &arg_val, 1);
478 skip_string(adr);
479
480 return (-1);
481 }
482
483 /*
484 * Format of argument64 token:
485 * argument token id adr_char
486 * argument number adr_char
487 * argument value adr_int64
488 * argument description adr_string
489 */
490 int
491 argument64_token(adr_t *adr)
492 {
493 char arg_num;
494 int64_t arg_val;
495
496 adrm_char(adr, &arg_num, 1);
497 adrm_int64(adr, &arg_val, 1);
498 skip_string(adr);
499
500 return (-1);
501 }
502
503 /*
504 * Format of acl token:
505 * acl token id adr_char
506 * acl type adr_u_int32
507 * acl value adr_u_int32 (depends on type)
508 * file mode adr_u_int (in octal)
509 */
510 int
511 acl_token(adr_t *adr)
512 {
513
514 int32_t id;
515 int32_t mode;
516 int32_t type;
517
518 adrm_int32(adr, &type, 1);
519 adrm_int32(adr, &id, 1);
520 adrm_int32(adr, &mode, 1);
521
522 return (-1);
523 }
524
525 /*
526 * Format of ace token:
527 * ace token id adr_char
528 * ace who adr_u_int32 (uid/gid)
529 * access mask adr_u_int32
530 * ace flags adr_u_int16
531 * ace type adr_u_int16
532 */
533 int
534 ace_token(adr_t *adr)
535 {
536 uid_t who;
537 uint32_t access_mask;
538 uint16_t flags, type;
539
540 adrm_uid(adr, &who, 1);
541 adrm_u_int32(adr, &access_mask, 1);
542 adrm_u_short(adr, &flags, 1);
543 adrm_u_short(adr, &type, 1);
544
545 return (-1);
546 }
547
548 /*
549 * Format of attribute token: (old pre SunOS 5.7 format)
550 * attribute token id adr_char
551 * mode adr_int32 (printed in octal)
552 * uid adr_int32
553 * gid adr_int32
554 * file system id adr_int32
555 * node id adr_int32
556 * device adr_int32
557 */
558 int
559 attribute_token(adr_t *adr)
560 {
561 int32_t dev;
562 int32_t file_sysid;
563 int32_t gid;
564 int32_t mode;
565 int32_t nodeid;
566 int32_t uid;
567
568 adrm_int32(adr, &mode, 1);
569 adrm_int32(adr, &uid, 1);
570 adrm_int32(adr, &gid, 1);
571 adrm_int32(adr, &file_sysid, 1);
572 adrm_int32(adr, &nodeid, 1);
573 adrm_int32(adr, &dev, 1);
574
575 if (!new_mode && (flags & M_USERE)) {
576 if (m_usere == uid)
577 checkflags |= M_USERE;
578 }
579 if (!new_mode && (flags & M_GROUPE)) {
580 if (m_groupe == gid)
581 checkflags |= M_GROUPE;
582 }
583
584 if (flags & M_OBJECT) {
585 if ((obj_flag & OBJ_FGROUP) &&
586 (obj_group == gid))
587 checkflags |= M_OBJECT;
588 else if ((obj_flag & OBJ_FOWNER) &&
589 (obj_owner == uid))
590 checkflags |= M_OBJECT;
591 }
592 return (-1);
593 }
594
595 /*
596 * Format of attribute32 token:
597 * attribute token id adr_char
598 * mode adr_int32 (printed in octal)
599 * uid adr_int32
600 * gid adr_int32
601 * file system id adr_int32
602 * node id adr_int64
603 * device adr_int32
604 */
605 int
606 attribute32_token(adr_t *adr)
607 {
608 int32_t dev;
609 int32_t file_sysid;
610 int32_t gid;
611 int32_t mode;
612 int64_t nodeid;
613 int32_t uid;
614
615 adrm_int32(adr, &mode, 1);
616 adrm_int32(adr, &uid, 1);
617 adrm_int32(adr, &gid, 1);
618 adrm_int32(adr, &file_sysid, 1);
619 adrm_int64(adr, &nodeid, 1);
620 adrm_int32(adr, &dev, 1);
621
622 if (!new_mode && (flags & M_USERE)) {
623 if (m_usere == uid)
624 checkflags |= M_USERE;
625 }
626 if (!new_mode && (flags & M_GROUPE)) {
627 if (m_groupe == gid)
628 checkflags |= M_GROUPE;
629 }
630
631 if (flags & M_OBJECT) {
632 if ((obj_flag & OBJ_FGROUP) &&
633 (obj_group == gid))
634 checkflags |= M_OBJECT;
635 else if ((obj_flag & OBJ_FOWNER) &&
636 (obj_owner == uid))
637 checkflags |= M_OBJECT;
638 }
639 return (-1);
640 }
641
642 /*
643 * Format of attribute64 token:
644 * attribute token id adr_char
645 * mode adr_int32 (printed in octal)
646 * uid adr_int32
647 * gid adr_int32
648 * file system id adr_int32
649 * node id adr_int64
650 * device adr_int64
651 */
652 int
653 attribute64_token(adr_t *adr)
654 {
655 int64_t dev;
656 int32_t file_sysid;
657 int32_t gid;
658 int32_t mode;
659 int64_t nodeid;
660 int32_t uid;
661
662 adrm_int32(adr, &mode, 1);
663 adrm_int32(adr, &uid, 1);
664 adrm_int32(adr, &gid, 1);
665 adrm_int32(adr, &file_sysid, 1);
666 adrm_int64(adr, &nodeid, 1);
667 adrm_int64(adr, &dev, 1);
668
669 if (!new_mode && (flags & M_USERE)) {
670 if (m_usere == uid)
671 checkflags |= M_USERE;
672 }
673 if (!new_mode && (flags & M_GROUPE)) {
674 if (m_groupe == gid)
675 checkflags |= M_GROUPE;
676 }
677
678 if (flags & M_OBJECT) {
679 if ((obj_flag & OBJ_FGROUP) &&
680 (obj_group == gid))
681 checkflags |= M_OBJECT;
682 else if ((obj_flag & OBJ_FOWNER) &&
683 (obj_owner == uid))
684 checkflags |= M_OBJECT;
685 }
686 return (-1);
687 }
688
689
690 /*
691 * Format of command token:
692 * attribute token id adr_char
693 * argc adr_short
694 * argv len adr_short variable amount of argv len
695 * argv text argv len and text
696 * .
697 * .
698 * .
699 * envp count adr_short variable amount of envp len
700 * envp len adr_short and text
701 * envp text envp len
702 * .
703 * .
704 * .
705 */
706 int
707 cmd_token(adr_t *adr)
708 {
709 short cnt;
710 short i;
711
712 adrm_short(adr, &cnt, 1);
713
714 for (i = 0; i < cnt; i++)
715 skip_string(adr);
716
717 adrm_short(adr, &cnt, 1);
718
719 for (i = 0; i < cnt; i++)
720 skip_string(adr);
721
722 return (-1);
723 }
724
725
726 /*
727 * Format of exit token:
728 * attribute token id adr_char
729 * return value adr_int32
730 * errno adr_int32
731 */
732 int
733 exit_token(adr_t *adr)
734 {
735 int32_t retval;
736 int32_t errno;
737
738 adrm_int32(adr, &retval, 1);
739 adrm_int32(adr, &errno, 1);
740 return (-1);
741 }
742
743 /*
744 * Format of strings array token:
745 * token id adr_char
746 * count value adr_int32
747 * strings null terminated strings
748 */
749 static int
750 strings_common_token(adr_t *adr)
751 {
752 int count, i;
753 char c;
754
755 adrm_int32(adr, (int32_t *)&count, 1);
756 for (i = 1; i <= count; i++) {
757 adrm_char(adr, &c, 1);
758 while (c != (char)0)
759 adrm_char(adr, &c, 1);
760 }
761 /* no dump option here, since we will have variable length fields */
762 return (-1);
763 }
764
765 int
766 path_attr_token(adr_t *adr)
767 {
768 return (strings_common_token(adr));
769 }
770
771 int
772 exec_args_token(adr_t *adr)
773 {
774 return (strings_common_token(adr));
775 }
776
777 int
778 exec_env_token(adr_t *adr)
779 {
780 return (strings_common_token(adr));
781 }
782
783 /*
784 * Format of liaison token:
785 */
786 int
787 liaison_token(adr_t *adr)
788 {
789 int32_t li;
790
791 adrm_int32(adr, &li, 1);
792 return (-1);
793 }
794
795
796 /*
797 * Format of path token:
798 * path adr_string
799 */
800 int
801 path_token(adr_t *adr)
802 {
803 if ((flags & M_OBJECT) && (obj_flag == OBJ_PATH)) {
804 char *path;
805
806 get_string(adr, &path);
807 if (path[0] != '/')
808 /*
809 * anchor the path. user apps may not do it.
810 */
811 anchor_path(path);
812 /*
813 * match against the collapsed path. that is what user sees.
814 */
815 if (re_exec2(collapse_path(path)) == 1)
816 checkflags |= M_OBJECT;
817 free(path);
818 } else {
819 skip_string(adr);
820 }
821 return (-1);
822 }
823
824
825 /*
826 * Format of System V IPC permission token:
827 * System V IPC permission token id adr_char
828 * uid adr_int32
829 * gid adr_int32
830 * cuid adr_int32
831 * cgid adr_int32
832 * mode adr_int32
833 * seq adr_int32
834 * key adr_int32
835 */
836 int
837 s5_IPC_perm_token(adr_t *adr)
838 {
839 int32_t uid, gid, cuid, cgid, mode, seq;
840 int32_t key;
841
842 adrm_int32(adr, &uid, 1);
843 adrm_int32(adr, &gid, 1);
844 adrm_int32(adr, &cuid, 1);
845 adrm_int32(adr, &cgid, 1);
846 adrm_int32(adr, &mode, 1);
847 adrm_int32(adr, &seq, 1);
848 adrm_int32(adr, &key, 1);
849
850 if (!new_mode && (flags & M_USERE)) {
851 if (m_usere == uid)
852 checkflags |= M_USERE;
853 }
854
855 if (!new_mode && (flags & M_USERE)) {
856 if (m_usere == cuid)
857 checkflags |= M_USERE;
858 }
859
860 if (!new_mode && (flags & M_GROUPR)) {
861 if (m_groupr == gid)
862 checkflags |= M_GROUPR;
863 }
864
865 if (!new_mode && (flags & M_GROUPR)) {
866 if (m_groupr == cgid)
867 checkflags |= M_GROUPR;
868 }
869
870 if ((flags & M_OBJECT) &&
871 ((obj_owner == uid) ||
872 (obj_owner == cuid) ||
873 (obj_group == gid) ||
874 (obj_group == cgid))) {
875
876 switch (obj_flag) {
877 case OBJ_MSGGROUP:
878 case OBJ_MSGOWNER:
879 if (ipc_type_match(OBJ_MSG, ipc_type))
880 checkflags |= M_OBJECT;
881 break;
882 case OBJ_SEMGROUP:
883 case OBJ_SEMOWNER:
884 if (ipc_type_match(OBJ_SEM, ipc_type))
885 checkflags |= M_OBJECT;
886 break;
887 case OBJ_SHMGROUP:
888 case OBJ_SHMOWNER:
889 if (ipc_type_match(OBJ_SHM, ipc_type))
890 checkflags |= M_OBJECT;
891 break;
892 }
893 }
894 return (-1);
895 }
896
897
898 /*
899 * Format of process32 token:
900 * process token id adr_char
901 * auid adr_int32
902 * euid adr_int32
903 * egid adr_int32
904 * ruid adr_int32
905 * rgid adr_int32
906 * pid adr_int32
907 * sid adr_int32
908 * termid adr_int32*2
909 */
910 int
911 process32_token(adr_t *adr)
912 {
913 int32_t auid, euid, egid, ruid, rgid, pid;
914 int32_t sid;
915 int32_t port, machine;
916
917 adrm_int32(adr, &auid, 1);
918 adrm_int32(adr, &euid, 1);
919 adrm_int32(adr, &egid, 1);
920 adrm_int32(adr, &ruid, 1);
921 adrm_int32(adr, &rgid, 1);
922 adrm_int32(adr, &pid, 1);
923 adrm_int32(adr, &sid, 1);
924 adrm_int32(adr, &port, 1);
925 adrm_int32(adr, &machine, 1);
926
927 if (!new_mode && (flags & M_USERA)) {
928 if (m_usera == auid)
929 checkflags |= M_USERA;
930 }
931 if (!new_mode && (flags & M_USERE)) {
932 if (m_usere == euid)
933 checkflags |= M_USERE;
934 }
935 if (!new_mode && (flags & M_USERR)) {
936 if (m_userr == ruid)
937 checkflags |= M_USERR;
938 }
939 if (!new_mode && (flags & M_GROUPR)) {
940 if (m_groupr == rgid)
941 checkflags |= M_GROUPR;
942 }
943 if (!new_mode && (flags & M_GROUPE)) {
944 if (m_groupe == egid)
945 checkflags |= M_GROUPE;
946 }
947
948 if (flags & M_OBJECT) {
949 if ((obj_flag & OBJ_PROC) &&
950 (obj_id == pid)) {
951 checkflags |= M_OBJECT;
952 } else if ((obj_flag & OBJ_PGROUP) &&
953 ((obj_group == egid) ||
954 (obj_group == rgid))) {
955 checkflags |= M_OBJECT;
956 } else if ((obj_flag & OBJ_POWNER) &&
957 ((obj_owner == euid) ||
958 (obj_group == ruid))) {
959 checkflags |= M_OBJECT;
960 }
961 }
962 return (-1);
963 }
964
965 /*
966 * Format of process32_ex token:
967 * process token id adr_char
968 * auid adr_int32
969 * euid adr_int32
970 * egid adr_int32
971 * ruid adr_int32
972 * rgid adr_int32
973 * pid adr_int32
974 * sid adr_int32
975 * termid
976 * port adr_int32
977 * type adr_int32
978 * ip address adr_u_char*type
979 */
980 int
981 process32_ex_token(adr_t *adr)
982 {
983 int32_t auid, euid, egid, ruid, rgid, pid;
984 int32_t sid;
985 int32_t port, type;
986 uchar_t addr[16];
987
988 adrm_int32(adr, &auid, 1);
989 adrm_int32(adr, &euid, 1);
990 adrm_int32(adr, &egid, 1);
991 adrm_int32(adr, &ruid, 1);
992 adrm_int32(adr, &rgid, 1);
993 adrm_int32(adr, &pid, 1);
994 adrm_int32(adr, &sid, 1);
995 adrm_int32(adr, &port, 1);
996 adrm_int32(adr, &type, 1);
997 adrm_u_char(adr, addr, type);
998
999 if (!new_mode && (flags & M_USERA)) {
1000 if (m_usera == auid)
1001 checkflags = checkflags | M_USERA;
1002 }
1003 if (!new_mode && (flags & M_USERE)) {
1004 if (m_usere == euid)
1005 checkflags = checkflags | M_USERE;
1006 }
1007 if (!new_mode && (flags & M_USERR)) {
1008 if (m_userr == ruid)
1009 checkflags = checkflags | M_USERR;
1010 }
1011 if (!new_mode && (flags & M_GROUPR)) {
1012 if (m_groupr == egid)
1013 checkflags = checkflags | M_GROUPR;
1014 }
1015 if (!new_mode && (flags & M_GROUPE)) {
1016 if (m_groupe == egid)
1017 checkflags = checkflags | M_GROUPE;
1018 }
1019
1020 if (flags & M_OBJECT) {
1021 if ((obj_flag & OBJ_PROC) &&
1022 (obj_id == pid)) {
1023 checkflags = checkflags | M_OBJECT;
1024 } else if ((obj_flag & OBJ_PGROUP) &&
1025 ((obj_group == egid) ||
1026 (obj_group == rgid))) {
1027 checkflags = checkflags | M_OBJECT;
1028 } else if ((obj_flag & OBJ_POWNER) &&
1029 ((obj_owner == euid) ||
1030 (obj_group == ruid))) {
1031 checkflags = checkflags | M_OBJECT;
1032 }
1033 }
1034 return (-1);
1035 }
1036
1037 /*
1038 * Format of process64 token:
1039 * process token id adr_char
1040 * auid adr_int32
1041 * euid adr_int32
1042 * egid adr_int32
1043 * ruid adr_int32
1044 * rgid adr_int32
1045 * pid adr_int32
1046 * sid adr_int32
1047 * termid adr_int64+adr_int32
1048 */
1049 int
1050 process64_token(adr_t *adr)
1051 {
1052 int32_t auid, euid, egid, ruid, rgid, pid;
1053 int32_t sid;
1054 int64_t port;
1055 int32_t machine;
1056
1057 adrm_int32(adr, &auid, 1);
1058 adrm_int32(adr, &euid, 1);
1059 adrm_int32(adr, &egid, 1);
1060 adrm_int32(adr, &ruid, 1);
1061 adrm_int32(adr, &rgid, 1);
1062 adrm_int32(adr, &pid, 1);
1063 adrm_int32(adr, &sid, 1);
1064 adrm_int64(adr, &port, 1);
1065 adrm_int32(adr, &machine, 1);
1066
1067 if (!new_mode && (flags & M_USERA)) {
1068 if (m_usera == auid)
1069 checkflags |= M_USERA;
1070 }
1071 if (!new_mode && (flags & M_USERE)) {
1072 if (m_usere == euid)
1073 checkflags |= M_USERE;
1074 }
1075 if (!new_mode && (flags & M_USERR)) {
1076 if (m_userr == ruid)
1077 checkflags |= M_USERR;
1078 }
1079 if (!new_mode && (flags & M_GROUPR)) {
1080 if (m_groupr == rgid)
1081 checkflags |= M_GROUPR;
1082 }
1083 if (!new_mode && (flags & M_GROUPE)) {
1084 if (m_groupe == egid)
1085 checkflags |= M_GROUPE;
1086 }
1087
1088 if (flags & M_OBJECT) {
1089 if ((obj_flag & OBJ_PROC) &&
1090 (obj_id == pid)) {
1091 checkflags |= M_OBJECT;
1092 } else if ((obj_flag & OBJ_PGROUP) &&
1093 ((obj_group == egid) ||
1094 (obj_group == rgid))) {
1095 checkflags |= M_OBJECT;
1096 } else if ((obj_flag & OBJ_POWNER) &&
1097 ((obj_owner == euid) ||
1098 (obj_group == ruid))) {
1099 checkflags |= M_OBJECT;
1100 }
1101 }
1102 return (-1);
1103 }
1104
1105 /*
1106 * Format of process64_ex token:
1107 * process token id adr_char
1108 * auid adr_int32
1109 * euid adr_int32
1110 * egid adr_int32
1111 * ruid adr_int32
1112 * rgid adr_int32
1113 * pid adr_int32
1114 * sid adr_int32
1115 * termid
1116 * port adr_int64
1117 * type adr_int32
1118 * ip address adr_u_char*type
1119 */
1120 int
1121 process64_ex_token(adr_t *adr)
1122 {
1123 int32_t auid, euid, egid, ruid, rgid, pid;
1124 int32_t sid;
1125 int64_t port;
1126 int32_t type;
1127 uchar_t addr[16];
1128
1129 adrm_int32(adr, &auid, 1);
1130 adrm_int32(adr, &euid, 1);
1131 adrm_int32(adr, &egid, 1);
1132 adrm_int32(adr, &ruid, 1);
1133 adrm_int32(adr, &rgid, 1);
1134 adrm_int32(adr, &pid, 1);
1135 adrm_int32(adr, &sid, 1);
1136 adrm_int64(adr, &port, 1);
1137 adrm_int32(adr, &type, 1);
1138 adrm_u_char(adr, addr, type);
1139
1140 if (!new_mode && (flags & M_USERA)) {
1141 if (m_usera == auid)
1142 checkflags = checkflags | M_USERA;
1143 }
1144 if (!new_mode && (flags & M_USERE)) {
1145 if (m_usere == euid)
1146 checkflags = checkflags | M_USERE;
1147 }
1148 if (!new_mode && (flags & M_USERR)) {
1149 if (m_userr == ruid)
1150 checkflags = checkflags | M_USERR;
1151 }
1152 if (!new_mode && (flags & M_GROUPR)) {
1153 if (m_groupr == egid)
1154 checkflags = checkflags | M_GROUPR;
1155 }
1156 if (!new_mode && (flags & M_GROUPE)) {
1157 if (m_groupe == egid)
1158 checkflags = checkflags | M_GROUPE;
1159 }
1160
1161 if (flags & M_OBJECT) {
1162 if ((obj_flag & OBJ_PROC) &&
1163 (obj_id == pid)) {
1164 checkflags = checkflags | M_OBJECT;
1165 } else if ((obj_flag & OBJ_PGROUP) &&
1166 ((obj_group == egid) ||
1167 (obj_group == rgid))) {
1168 checkflags = checkflags | M_OBJECT;
1169 } else if ((obj_flag & OBJ_POWNER) &&
1170 ((obj_owner == euid) ||
1171 (obj_group == ruid))) {
1172 checkflags = checkflags | M_OBJECT;
1173 }
1174 }
1175 return (-1);
1176 }
1177
1178 /*
1179 * Format of System V IPC token:
1180 * System V IPC token id adr_char
1181 * object id adr_int32
1182 */
1183 int
1184 s5_IPC_token(adr_t *adr)
1185 {
1186 int32_t ipc_id;
1187
1188 adrm_char(adr, &ipc_type, 1); /* Global */
1189 adrm_int32(adr, &ipc_id, 1);
1190
1191 if ((flags & M_OBJECT) &&
1192 ipc_type_match(obj_flag, ipc_type) &&
1193 (obj_id == ipc_id))
1194 checkflags |= M_OBJECT;
1195
1196 return (-1);
1197 }
1198
1199
1200 /*
1201 * Format of socket token:
1202 * socket_type adrm_short
1203 * remote_port adrm_short
1204 * remote_inaddr adrm_int32
1205 */
1206 int
1207 socket_token(adr_t *adr)
1208 {
1209 short socket_type;
1210 short remote_port;
1211 int32_t remote_inaddr;
1212
1213 adrm_short(adr, &socket_type, 1);
1214 adrm_short(adr, &remote_port, 1);
1215 adrm_char(adr, (char *)&remote_inaddr, 4);
1216
1217 if ((flags & M_OBJECT) && (obj_flag == OBJ_SOCK)) {
1218 if (socket_flag == SOCKFLG_MACHINE) {
1219 if (remote_inaddr == obj_id)
1220 checkflags |= M_OBJECT;
1221 } else if (socket_flag == SOCKFLG_PORT) {
1222 if (remote_port == obj_id)
1223 checkflags |= M_OBJECT;
1224 }
1225 }
1226 return (-1);
1227 }
1228
1229
1230 /*
1231 * Format of socket_ex token:
1232 * socket_domain adrm_short
1233 * socket_type adrm_short
1234 * address_type adrm_short
1235 * local_port adrm_short
1236 * local_inaddr adrm_u_char*address_type
1237 * remote_port adrm_short
1238 * remote_inaddr adrm_u_char*address_type
1239 */
1240 int
1241 socket_ex_token(adr_t *adr)
1242 {
1243 short socket_domain;
1244 short socket_type;
1245 short ip_size;
1246 short local_port;
1247 uchar_t local_inaddr[16];
1248 short remote_port;
1249 uchar_t remote_inaddr[16];
1250 uchar_t *caddr = (uchar_t *)&obj_id;
1251
1252 adrm_short(adr, &socket_domain, 1);
1253 adrm_short(adr, &socket_type, 1);
1254 adrm_short(adr, &ip_size, 1);
1255
1256 /* validate ip size */
1257 if ((ip_size != AU_IPv6) && (ip_size != AU_IPv4))
1258 return (0);
1259
1260 adrm_short(adr, &local_port, 1);
1261 adrm_char(adr, (char *)local_inaddr, ip_size);
1262
1263 adrm_short(adr, &remote_port, 1);
1264 adrm_char(adr, (char *)remote_inaddr, ip_size);
1265
1266 /* if IP type mis-match, then nothing to do */
1267 if (ip_size != ip_type)
1268 return (-1);
1269
1270 if ((flags & M_OBJECT) && (obj_flag == OBJ_SOCK)) {
1271 if (socket_flag == SOCKFLG_MACHINE) {
1272 if (ip_type == AU_IPv6) {
1273 caddr = (uchar_t *)ip_ipv6;
1274 }
1275 if ((memcmp(local_inaddr, caddr, ip_type) == 0) ||
1276 (memcmp(remote_inaddr, caddr, ip_type) == 0)) {
1277 checkflags |= M_OBJECT;
1278 }
1279 } else if (socket_flag == SOCKFLG_PORT) {
1280 if ((local_port == obj_id) || (remote_port == obj_id)) {
1281 checkflags |= M_OBJECT;
1282 }
1283 }
1284 }
1285 return (-1);
1286 }
1287
1288
1289 /*
1290 * Format of subject32 token:
1291 * subject token id adr_char
1292 * auid adr_int32
1293 * euid adr_int32
1294 * egid adr_int32
1295 * ruid adr_int32
1296 * rgid adr_int32
1297 * pid adr_int32
1298 * sid adr_int32
1299 * termid adr_int32*2
1300 */
1301 int
1302 subject32_token(adr_t *adr)
1303 {
1304 int32_t auid, euid, egid, ruid, rgid, pid;
1305 int32_t sid;
1306 int32_t port, machine;
1307
1308 adrm_int32(adr, &auid, 1);
1309 adrm_int32(adr, &euid, 1);
1310 adrm_int32(adr, &egid, 1);
1311 adrm_int32(adr, &ruid, 1);
1312 adrm_int32(adr, &rgid, 1);
1313 adrm_int32(adr, &pid, 1);
1314 adrm_int32(adr, &sid, 1);
1315 adrm_int32(adr, &port, 1);
1316 adrm_int32(adr, &machine, 1);
1317
1318 if (flags & M_SUBJECT) {
1319 if (subj_id == pid)
1320 checkflags |= M_SUBJECT;
1321 }
1322 if (flags & M_USERA) {
1323 if (m_usera == auid)
1324 checkflags |= M_USERA;
1325 }
1326 if (flags & M_USERE) {
1327 if (m_usere == euid)
1328 checkflags |= M_USERE;
1329 }
1330 if (flags & M_USERR) {
1331 if (m_userr == ruid)
1332 checkflags |= M_USERR;
1333 }
1334 if (flags & M_GROUPR) {
1335 if (m_groupr == rgid)
1336 checkflags |= M_GROUPR;
1337 }
1338 if (flags & M_GROUPE) {
1339 if (m_groupe == egid)
1340 checkflags |= M_GROUPE;
1341 }
1342 if (flags & M_SID) {
1343 if (m_sid == (au_asid_t)sid)
1344 checkflags |= M_SID;
1345 }
1346 return (-1);
1347 }
1348
1349 /*
1350 * Format of subject32_ex token:
1351 * subject token id adr_char
1352 * auid adr_int32
1353 * euid adr_int32
1354 * egid adr_int32
1355 * ruid adr_int32
1356 * rgid adr_int32
1357 * pid adr_int32
1358 * sid adr_int32
1359 * termid
1360 * port adr_int32
1361 * type adr_int32
1362 * ip address adr_u_char*type
1363 */
1364 int
1365 subject32_ex_token(adr_t *adr)
1366 {
1367 int32_t auid, euid, egid, ruid, rgid, pid;
1368 int32_t sid;
1369 int32_t port, type;
1370 uchar_t addr[16];
1371
1372 adrm_int32(adr, &auid, 1);
1373 adrm_int32(adr, &euid, 1);
1374 adrm_int32(adr, &egid, 1);
1375 adrm_int32(adr, &ruid, 1);
1376 adrm_int32(adr, &rgid, 1);
1377 adrm_int32(adr, &pid, 1);
1378 adrm_int32(adr, &sid, 1);
1379 adrm_int32(adr, &port, 1);
1380 adrm_int32(adr, &type, 1);
1381 adrm_u_char(adr, addr, type);
1382
1383 if (flags & M_SUBJECT) {
1384 if (subj_id == pid)
1385 checkflags = checkflags | M_SUBJECT;
1386 }
1387 if (flags & M_USERA) {
1388 if (m_usera == auid)
1389 checkflags = checkflags | M_USERA;
1390 }
1391 if (flags & M_USERE) {
1392 if (m_usere == euid)
1393 checkflags = checkflags | M_USERE;
1394 }
1395 if (flags & M_USERR) {
1396 if (m_userr == ruid)
1397 checkflags = checkflags | M_USERR;
1398 }
1399 if (flags & M_GROUPR) {
1400 if (m_groupr == egid)
1401 checkflags = checkflags | M_GROUPR;
1402 }
1403 if (flags & M_GROUPE) {
1404 if (m_groupe == egid)
1405 checkflags = checkflags | M_GROUPE;
1406 }
1407 if (flags & M_SID) {
1408 if (m_sid == (au_asid_t)sid)
1409 checkflags = checkflags | M_SID;
1410 }
1411 return (-1);
1412 }
1413
1414 /*
1415 * Format of subject64 token:
1416 * subject token id adr_char
1417 * auid adr_int32
1418 * euid adr_int32
1419 * egid adr_int32
1420 * ruid adr_int32
1421 * rgid adr_int32
1422 * pid adr_int32
1423 * sid adr_int32
1424 * termid adr_int64+adr_int32
1425 */
1426 int
1427 subject64_token(adr_t *adr)
1428 {
1429 int32_t auid, euid, egid, ruid, rgid, pid;
1430 int32_t sid;
1431 int64_t port;
1432 int32_t machine;
1433
1434 adrm_int32(adr, &auid, 1);
1435 adrm_int32(adr, &euid, 1);
1436 adrm_int32(adr, &egid, 1);
1437 adrm_int32(adr, &ruid, 1);
1438 adrm_int32(adr, &rgid, 1);
1439 adrm_int32(adr, &pid, 1);
1440 adrm_int32(adr, &sid, 1);
1441 adrm_int64(adr, &port, 1);
1442 adrm_int32(adr, &machine, 1);
1443
1444 if (flags & M_SUBJECT) {
1445 if (subj_id == pid)
1446 checkflags |= M_SUBJECT;
1447 }
1448 if (flags & M_USERA) {
1449 if (m_usera == auid)
1450 checkflags |= M_USERA;
1451 }
1452 if (flags & M_USERE) {
1453 if (m_usere == euid)
1454 checkflags |= M_USERE;
1455 }
1456 if (flags & M_USERR) {
1457 if (m_userr == ruid)
1458 checkflags |= M_USERR;
1459 }
1460 if (flags & M_GROUPR) {
1461 if (m_groupr == rgid)
1462 checkflags |= M_GROUPR;
1463 }
1464 if (flags & M_GROUPE) {
1465 if (m_groupe == egid)
1466 checkflags |= M_GROUPE;
1467 }
1468 if (flags & M_SID) {
1469 if (m_sid == (au_asid_t)sid)
1470 checkflags |= M_SID;
1471 }
1472 return (-1);
1473 }
1474
1475 /*
1476 * Format of subject64_ex token:
1477 * subject token id adr_char
1478 * auid adr_int32
1479 * euid adr_int32
1480 * egid adr_int32
1481 * ruid adr_int32
1482 * rgid adr_int32
1483 * pid adr_int32
1484 * sid adr_int32
1485 * termid
1486 * port adr_int64
1487 * type adr_int32
1488 * ip address adr_u_char*type
1489 */
1490 int
1491 subject64_ex_token(adr_t *adr)
1492 {
1493 int32_t auid, euid, egid, ruid, rgid, pid;
1494 int32_t sid;
1495 int64_t port;
1496 int32_t type;
1497 uchar_t addr[16];
1498
1499 adrm_int32(adr, &auid, 1);
1500 adrm_int32(adr, &euid, 1);
1501 adrm_int32(adr, &egid, 1);
1502 adrm_int32(adr, &ruid, 1);
1503 adrm_int32(adr, &rgid, 1);
1504 adrm_int32(adr, &pid, 1);
1505 adrm_int32(adr, &sid, 1);
1506 adrm_int64(adr, &port, 1);
1507 adrm_int32(adr, &type, 1);
1508 adrm_u_char(adr, addr, type);
1509
1510 if (flags & M_SUBJECT) {
1511 if (subj_id == pid)
1512 checkflags = checkflags | M_SUBJECT;
1513 }
1514 if (flags & M_USERA) {
1515 if (m_usera == auid)
1516 checkflags = checkflags | M_USERA;
1517 }
1518 if (flags & M_USERE) {
1519 if (m_usere == euid)
1520 checkflags = checkflags | M_USERE;
1521 }
1522 if (flags & M_USERR) {
1523 if (m_userr == ruid)
1524 checkflags = checkflags | M_USERR;
1525 }
1526 if (flags & M_GROUPR) {
1527 if (m_groupr == egid)
1528 checkflags = checkflags | M_GROUPR;
1529 }
1530 if (flags & M_GROUPE) {
1531 if (m_groupe == egid)
1532 checkflags = checkflags | M_GROUPE;
1533 }
1534 if (flags & M_SID) {
1535 if (m_sid == (au_asid_t)sid)
1536 checkflags = checkflags | M_SID;
1537 }
1538 return (-1);
1539 }
1540
1541 /*
1542 * -----------------------------------------------------------------------
1543 * tid_token(): Process tid token and display contents
1544 *
1545 * Format of tid token:
1546 * tid token id adr_char
1547 * address type adr_char
1548 * For address type of AU_IPADR...
1549 * remote port adr_short
1550 * local port adr_short
1551 * IP type adr_int32
1552 * IP addr adr_int32 if IPv4
1553 * IP addr 4 x adr_int32 if IPv6
1554 * address types other than AU_IPADR are not yet defined
1555 * -----------------------------------------------------------------------
1556 */
1557 int
1558 tid_token(adr_t *adr)
1559 {
1560 int32_t address[4];
1561 int32_t ip_type;
1562 char tid_type;
1563 short rport;
1564 short lport;
1565
1566 adrm_char(adr, &tid_type, 1);
1567 switch (tid_type) {
1568 case AU_IPADR:
1569 adrm_short(adr, &rport, 1);
1570 adrm_short(adr, &lport, 1);
1571 adrm_int32(adr, &ip_type, 1);
1572 adrm_char(adr, (char *)&address, ip_type);
1573 break;
1574 default:
1575 return (0);
1576 }
1577 return (-1);
1578 }
1579
1580 /*
1581 * -----------------------------------------------------------------------
1582 * zonename_token(): Process zonename token and display contents
1583 *
1584 * Format of zonename token:
1585 * zonename token id adr_char
1586 * zone name adr_string
1587 * -----------------------------------------------------------------------
1588 */
1589 int
1590 zonename_token(adr_t *adr)
1591 {
1592 char *name;
1593
1594 if (flags & M_ZONENAME) {
1595 get_string(adr, &name);
1596 if (strncmp(zonename, name, ZONENAME_MAX) == 0)
1597 checkflags |= M_ZONENAME;
1598 free(name);
1599 } else {
1600 skip_string(adr);
1601 }
1602 return (-1);
1603 }
1604
1605 /*
1606 * fmri_token():
1607 *
1608 * Format of fmri token:
1609 * fmri adr_string
1610 */
1611 int
1612 fmri_token(adr_t *adr)
1613 {
1614 if ((flags & M_OBJECT) && (obj_flag == OBJ_FMRI)) {
1615 char *fmri_name;
1616
1617 get_string(adr, &fmri_name);
1618
1619 /* match token against service instance */
1620 if (scf_cmp_pattern(fmri_name, &fmri) == 1) {
1621 checkflags |= M_OBJECT;
1622 }
1623 free(fmri_name);
1624 } else {
1625 skip_string(adr);
1626 }
1627 return (-1);
1628 }
1629
1630 /*
1631 * Format of xatom token:
1632 */
1633 int
1634 xatom_token(adr_t *adr)
1635 {
1636 skip_string(adr);
1637
1638 return (-1);
1639 }
1640
1641 /*
1642 * Format of xselect token:
1643 */
1644 int
1645 xselect_token(adr_t *adr)
1646 {
1647 skip_string(adr);
1648 skip_string(adr);
1649 skip_string(adr);
1650
1651 return (-1);
1652 }
1653
1654 /*
1655 * anchor a path name with a slash
1656 * assume we have enough space
1657 */
1658 void
1659 anchor_path(char *path)
1660 {
1661 (void) memmove((void *)(path + 1), (void *)path, strlen(path) + 1);
1662 *path = '/';
1663 }
1664
1665
1666 /*
1667 * copy path to collapsed path.
1668 * collapsed path does not contain:
1669 * successive slashes
1670 * instances of dot-slash
1671 * instances of dot-dot-slash
1672 * passed path must be anchored with a '/'
1673 */
1674 char *
1675 collapse_path(char *s)
1676 {
1677 int id; /* index of where we are in destination string */
1678 int is; /* index of where we are in source string */
1679 int slashseen; /* have we seen a slash */
1680 int ls; /* length of source string */
1681
1682 ls = strlen(s) + 1;
1683
1684 slashseen = 0;
1685 for (is = 0, id = 0; is < ls; is++) {
1686 /* thats all folks, we've reached the end of input */
1687 if (s[is] == '\0') {
1688 if (id > 1 && s[id-1] == '/') {
1689 --id;
1690 }
1691 s[id++] = '\0';
1692 break;
1693 }
1694 /* previous character was a / */
1695 if (slashseen) {
1696 if (s[is] == '/')
1697 continue; /* another slash, ignore it */
1698 } else if (s[is] == '/') {
1699 /* we see a /, just copy it and try again */
1700 slashseen = 1;
1701 s[id++] = '/';
1702 continue;
1703 }
1704 /* /./ seen */
1705 if (s[is] == '.' && s[is+1] == '/') {
1706 is += 1;
1707 continue;
1708 }
1709 /* XXX/. seen */
1710 if (s[is] == '.' && s[is+1] == '\0') {
1711 if (id > 1)
1712 id--;
1713 continue;
1714 }
1715 /* XXX/.. seen */
1716 if (s[is] == '.' && s[is+1] == '.' && s[is+2] == '\0') {
1717 is += 1;
1718 if (id > 0)
1719 id--;
1720 while (id > 0 && s[--id] != '/')
1721 ;
1722 id++;
1723 continue;
1724 }
1725 /* XXX/../ seen */
1726 if (s[is] == '.' && s[is+1] == '.' && s[is+2] == '/') {
1727 is += 2;
1728 if (id > 0)
1729 id--;
1730 while (id > 0 && s[--id] != '/')
1731 ;
1732 id++;
1733 continue;
1734 }
1735 while (is < ls && (s[id++] = s[is++]) != '/')
1736 ;
1737 is--;
1738 }
1739 return (s);
1740 }
1741
1742
1743 int
1744 ipc_type_match(int flag, char type)
1745 {
1746 if (flag == OBJ_SEM && type == AT_IPC_SEM)
1747 return (1);
1748
1749 if (flag == OBJ_MSG && type == AT_IPC_MSG)
1750 return (1);
1751
1752 if (flag == OBJ_SHM && type == AT_IPC_SHM)
1753 return (1);
1754
1755 return (0);
1756 }
1757
1758
1759 void
1760 skip_string(adr_t *adr)
1761 {
1762 ushort_t c;
1763
1764 adrm_u_short(adr, &c, 1);
1765 adr->adr_now += c;
1766 }
1767
1768
1769 void
1770 get_string(adr_t *adr, char **p)
1771 {
1772 ushort_t c;
1773
1774 adrm_u_short(adr, &c, 1);
1775 *p = a_calloc(1, (size_t)c);
1776 adrm_char(adr, *p, c);
1777 }
1778
1779
1780 /*
1781 * Format of host token:
1782 * host ard_uint32
1783 */
1784 int
1785 host_token(adr_t *adr)
1786 {
1787 uint32_t host;
1788
1789 adrm_u_int32(adr, &host, 1);
1790
1791 return (-1);
1792 }
1793
1794 /*
1795 * Format of useofauth token:
1796 * uauth token id adr_char
1797 * uauth adr_string
1798 */
1799 int
1800 useofauth_token(adr_t *adr)
1801 {
1802 skip_string(adr);
1803 return (-1);
1804 }
1805
1806 /*
1807 * Format of user token:
1808 * user token id adr_char
1809 * uid adr_uid
1810 * username adr_string
1811 */
1812 int
1813 user_token(adr_t *adr)
1814 {
1815 uid_t uid;
1816
1817 adrm_uid(adr, &uid, 1);
1818 skip_string(adr);
1819
1820 if ((flags & M_OBJECT) && (obj_flag == OBJ_USER) &&
1821 (uid == obj_user)) {
1822 checkflags |= M_OBJECT;
1823 }
1824
1825 return (-1);
1826 }
1827
1828 int
1829 xcolormap_token(adr_t *adr)
1830 {
1831 return (xgeneric(adr));
1832 }
1833
1834 int
1835 xcursor_token(adr_t *adr)
1836 {
1837 return (xgeneric(adr));
1838 }
1839
1840 int
1841 xfont_token(adr_t *adr)
1842 {
1843 return (xgeneric(adr));
1844 }
1845
1846 int
1847 xgc_token(adr_t *adr)
1848 {
1849 return (xgeneric(adr));
1850 }
1851
1852 int
1853 xpixmap_token(adr_t *adr)
1854 {
1855 return (xgeneric(adr));
1856 }
1857
1858 int
1859 xwindow_token(adr_t *adr)
1860 {
1861 return (xgeneric(adr));
1862 }
1863
1864
1865 /*
1866 * Format of xgeneric token:
1867 * XID adr_int32
1868 * creator UID adr_int32
1869 *
1870 * Includes: xcolormap, xcursor, xfont, xgc, xpixmap, and xwindow
1871 */
1872 int
1873 xgeneric(adr_t *adr)
1874 {
1875 int32_t xid;
1876 int32_t uid;
1877
1878 adrm_int32(adr, &xid, 1);
1879 adrm_int32(adr, &uid, 1);
1880
1881 if (flags & M_USERE) {
1882 if (m_usere == uid)
1883 checkflags = checkflags | M_USERE;
1884 }
1885
1886 return (-1);
1887 }
1888
1889
1890 /*
1891 * Format of xproperty token:
1892 * XID adr_int32
1893 * creator UID adr_int32
1894 * atom string adr_string
1895 */
1896 int
1897 xproperty_token(adr_t *adr)
1898 {
1899 int32_t xid;
1900 int32_t uid;
1901
1902 adrm_int32(adr, &xid, 1);
1903 adrm_int32(adr, &uid, 1);
1904 skip_string(adr);
1905
1906 if (flags & M_USERE) {
1907 if (m_usere == uid)
1908 checkflags = checkflags | M_USERE;
1909 }
1910
1911 return (-1);
1912 }
1913
1914
1915 /*
1916 * Format of xclient token:
1917 * xclient id adr_int32
1918 */
1919 int
1920 xclient_token(adr_t *adr)
1921 {
1922 int32_t client_id;
1923
1924 adrm_int32(adr, &client_id, 1);
1925
1926 return (-1);
1927 }
1928
1929 /*
1930 * Format of privilege set token:
1931 * priv_set type string
1932 * priv_set string
1933 */
1934
1935 int
1936 privilege_token(adr_t *adr)
1937 {
1938 skip_string(adr); /* set type name */
1939 skip_string(adr); /* privilege set */
1940 return (-1);
1941 }
1942
1943 /*
1944 * Format of security flags token:
1945 * security flag set string
1946 * security flags string
1947 */
1948
1949 int
1950 secflags_token(adr_t *adr)
1951 {
1952 skip_string(adr); /* set name */
1953 skip_string(adr); /* security flags */
1954 return (-1);
1955 }
1956
1957 /*
1958 * Format of label token:
1959 * label ID 1 byte
1960 * compartment length 1 byte
1961 * classification 2 bytes
1962 * compartment words <compartment length> * 4 bytes
1963 */
1964 int
1965 label_token(adr_t *adr)
1966 {
1967 static m_label_t *label = NULL;
1968 static size32_t l_size;
1969 int len;
1970
1971 if (label == NULL) {
1972 label = m_label_alloc(MAC_LABEL);
1973 l_size = blabel_size() - 4;
1974 }
1975
1976 if (label == NULL) {
1977 /* out of memory, should never happen; skip label */
1978 char l; /* length */
1979
1980 adr->adr_now += sizeof (char);
1981 adrm_char(adr, (char *)&l, 1);
1982 adr->adr_now += sizeof (short) + (4 * l);
1983 return (-1);
1984 }
1985
1986 adrm_char(adr, (char *)label, 4);
1987 len = (int)(((char *)label)[1] * 4);
1988 if (len > l_size) {
1989 return (-1);
1990 }
1991 adrm_char(adr, &((char *)label)[4], len);
1992
1993 if (flags & M_LABEL) {
1994 if (blinrange(label, m_label))
1995 checkflags = checkflags | M_LABEL;
1996 }
1997
1998 return (-1);
1999 }
2000
2001
2002 /*
2003 * Format of useofpriv token:
2004 * success/failure adr_char
2005 * privilege(s) adr_string
2006 */
2007 /* ARGSUSED */
2008 int
2009 useofpriv_token(adr_t *adr)
2010 {
2011 char flag;
2012
2013 adrm_char(adr, &flag, 1);
2014 skip_string(adr);
2015 return (-1);
2016 }
Unleashed OS