Annotation of embedaddon/rsync/lib/sysacls.c, revision 1.1.1.3
1.1 misho 1: /*
2: * Unix SMB/CIFS implementation.
3: * Based on the Samba ACL support code.
4: * Copyright (C) Jeremy Allison 2000.
1.1.1.3 ! misho 5: * Copyright (C) 2007-2020 Wayne Davison
1.1 misho 6: *
7: * The permission functions have been changed to get/set all bits via
8: * one call. Some functions that rsync doesn't need were also removed.
9: *
10: * This program is free software; you can redistribute it and/or modify
11: * it under the terms of the GNU General Public License as published by
12: * the Free Software Foundation; either version 3 of the License, or
13: * (at your option) any later version.
14: *
15: * This program is distributed in the hope that it will be useful,
16: * but WITHOUT ANY WARRANTY; without even the implied warranty of
17: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: * GNU General Public License for more details.
19: *
20: * You should have received a copy of the GNU General Public License
21: * with this program; if not, visit the http://fsf.org website.
22: */
23:
24: #include "rsync.h"
25: #include "sysacls.h"
26:
27: #ifdef SUPPORT_ACLS
28:
29: #ifdef DEBUG
30: #undef DEBUG
31: #endif
1.1.1.3 ! misho 32: #define DEBUG(x, y)
1.1 misho 33:
34: void SAFE_FREE(void *mem)
35: {
36: if (mem)
37: free(mem);
38: }
39:
40: /*
41: This file wraps all differing system ACL interfaces into a consistent
42: one based on the POSIX interface. It also returns the correct errors
43: for older UNIX systems that don't support ACLs.
44:
45: The interfaces that each ACL implementation must support are as follows :
46:
1.1.1.3 ! misho 47: int sys_acl_get_entry(SMB_ACL_T theacl, int entry_id, SMB_ACL_ENTRY_T *entry_p)
! 48: int sys_acl_get_tag_type(SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *tag_type_p)
1.1 misho 49: int sys_acl_get_info(SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T *tag_type_p, uint32 *bits_p, id_t *u_g_id_p)
1.1.1.3 ! misho 50: SMB_ACL_T sys_acl_get_file(const char *path_p, SMB_ACL_TYPE_T type)
1.1 misho 51: SMB_ACL_T sys_acl_get_fd(int fd)
1.1.1.3 ! misho 52: SMB_ACL_T sys_acl_init(int count)
! 53: int sys_acl_create_entry(SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry)
1.1 misho 54: int sys_acl_set_info(SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tag_type, uint32 bits, id_t u_g_id)
55: int sys_acl_set_access_bits(SMB_ACL_ENTRY_T entry, uint32 bits)
1.1.1.3 ! misho 56: int sys_acl_valid(SMB_ACL_T theacl)
! 57: int sys_acl_set_file(const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl)
! 58: int sys_acl_set_fd(int fd, SMB_ACL_T theacl)
1.1 misho 59: int sys_acl_delete_def_file(const char *path)
60: int sys_acl_free_acl(SMB_ACL_T posix_acl)
61:
62: */
63:
64: #if defined(HAVE_POSIX_ACLS) /*--------------------------------------------*/
65:
66: /* Identity mapping - easy. */
67:
1.1.1.3 ! misho 68: int sys_acl_get_entry(SMB_ACL_T the_acl, int entry_id, SMB_ACL_ENTRY_T *entry_p)
1.1 misho 69: {
1.1.1.3 ! misho 70: return acl_get_entry(the_acl, entry_id, entry_p);
1.1 misho 71: }
72:
1.1.1.3 ! misho 73: int sys_acl_get_tag_type(SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *tag_type_p)
1.1 misho 74: {
1.1.1.3 ! misho 75: return acl_get_tag_type(entry_d, tag_type_p);
1.1 misho 76: }
77:
1.1.1.3 ! misho 78: SMB_ACL_T sys_acl_get_file(const char *path_p, SMB_ACL_TYPE_T type)
1.1 misho 79: {
1.1.1.3 ! misho 80: return acl_get_file(path_p, type);
1.1 misho 81: }
82:
1.1.1.3 ! misho 83: #if 0
1.1 misho 84: SMB_ACL_T sys_acl_get_fd(int fd)
85: {
86: return acl_get_fd(fd);
87: }
1.1.1.3 ! misho 88: #endif
1.1 misho 89:
90: #if defined(HAVE_ACL_GET_PERM_NP)
91: #define acl_get_perm(p, b) acl_get_perm_np(p, b)
92: #endif
93:
94: int sys_acl_get_info(SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T *tag_type_p, uint32 *bits_p, id_t *u_g_id_p)
95: {
96: acl_permset_t permset;
97:
98: if (acl_get_tag_type(entry, tag_type_p) != 0
99: || acl_get_permset(entry, &permset) != 0)
100: return -1;
101:
102: *bits_p = (acl_get_perm(permset, ACL_READ) ? 4 : 0)
103: | (acl_get_perm(permset, ACL_WRITE) ? 2 : 0)
104: | (acl_get_perm(permset, ACL_EXECUTE) ? 1 : 0);
105:
106: if (*tag_type_p == SMB_ACL_USER || *tag_type_p == SMB_ACL_GROUP) {
107: void *qual;
108: if ((qual = acl_get_qualifier(entry)) == NULL)
109: return -1;
110: *u_g_id_p = *(id_t*)qual;
111: acl_free(qual);
112: }
113:
114: return 0;
115: }
116:
1.1.1.3 ! misho 117: SMB_ACL_T sys_acl_init(int count)
1.1 misho 118: {
119: return acl_init(count);
120: }
121:
1.1.1.3 ! misho 122: int sys_acl_create_entry(SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry)
1.1 misho 123: {
124: return acl_create_entry(pacl, pentry);
125: }
126:
127: int sys_acl_set_info(SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tag_type, uint32 bits, id_t u_g_id)
128: {
129: if (acl_set_tag_type(entry, tag_type) != 0)
130: return -1;
131:
132: if (tag_type == SMB_ACL_USER || tag_type == SMB_ACL_GROUP) {
133: if (acl_set_qualifier(entry, (void*)&u_g_id) != 0)
134: return -1;
135: }
136:
137: return sys_acl_set_access_bits(entry, bits);
138: }
139:
140: int sys_acl_set_access_bits(SMB_ACL_ENTRY_T entry, uint32 bits)
141: {
142: acl_permset_t permset;
143: int rc;
144: if ((rc = acl_get_permset(entry, &permset)) != 0)
145: return rc;
146: acl_clear_perms(permset);
147: if (bits & 4)
148: acl_add_perm(permset, ACL_READ);
149: if (bits & 2)
150: acl_add_perm(permset, ACL_WRITE);
151: if (bits & 1)
152: acl_add_perm(permset, ACL_EXECUTE);
153: return acl_set_permset(entry, permset);
154: }
155:
1.1.1.3 ! misho 156: int sys_acl_valid(SMB_ACL_T theacl)
1.1 misho 157: {
158: return acl_valid(theacl);
159: }
160:
161: int sys_acl_set_file(const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl)
162: {
163: return acl_set_file(name, acltype, theacl);
164: }
165:
166: #if 0
1.1.1.3 ! misho 167: int sys_acl_set_fd(int fd, SMB_ACL_T theacl)
1.1 misho 168: {
169: return acl_set_fd(fd, theacl);
170: }
171: #endif
172:
173: int sys_acl_delete_def_file(const char *name)
174: {
175: return acl_delete_def_file(name);
176: }
177:
178: int sys_acl_free_acl(SMB_ACL_T the_acl)
179: {
180: return acl_free(the_acl);
181: }
182:
183: #elif defined(HAVE_TRU64_ACLS) /*--------------------------------------------*/
184: /*
185: * The interface to DEC/Compaq Tru64 UNIX ACLs
186: * is based on Draft 13 of the POSIX spec which is
187: * slightly different from the Draft 16 interface.
188: *
189: * Also, some of the permset manipulation functions
190: * such as acl_clear_perm() and acl_add_perm() appear
191: * to be broken on Tru64 so we have to manipulate
192: * the permission bits in the permset directly.
193: */
1.1.1.3 ! misho 194: int sys_acl_get_entry(SMB_ACL_T the_acl, int entry_id, SMB_ACL_ENTRY_T *entry_p)
1.1 misho 195: {
196: SMB_ACL_ENTRY_T entry;
197:
198: if (entry_id == SMB_ACL_FIRST_ENTRY && acl_first_entry(the_acl) != 0) {
199: return -1;
200: }
201:
202: errno = 0;
203: if ((entry = acl_get_entry(the_acl)) != NULL) {
204: *entry_p = entry;
205: return 1;
206: }
207:
208: return errno ? -1 : 0;
209: }
210:
1.1.1.3 ! misho 211: int sys_acl_get_tag_type(SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *tag_type_p)
1.1 misho 212: {
1.1.1.3 ! misho 213: return acl_get_tag_type(entry_d, tag_type_p);
1.1 misho 214: }
215:
1.1.1.3 ! misho 216: SMB_ACL_T sys_acl_get_file(const char *path_p, SMB_ACL_TYPE_T type)
1.1 misho 217: {
218: return acl_get_file((char *)path_p, type);
219: }
220:
221: #if 0
222: SMB_ACL_T sys_acl_get_fd(int fd)
223: {
224: return acl_get_fd(fd, ACL_TYPE_ACCESS);
225: }
226: #endif
227:
228: int sys_acl_get_info(SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T *tag_type_p, uint32 *bits_p, id_t *u_g_id_p)
229: {
230: acl_permset_t permset;
231:
232: if (acl_get_tag_type(entry, tag_type_p) != 0
233: || acl_get_permset(entry, &permset) != 0)
234: return -1;
235:
236: *bits_p = *permset & 7; /* Tru64 doesn't have acl_get_perm() */
237:
238: if (*tag_type_p == SMB_ACL_USER || *tag_type_p == SMB_ACL_GROUP) {
239: void *qual;
240: if ((qual = acl_get_qualifier(entry)) == NULL)
241: return -1;
242: *u_g_id_p = *(id_t*)qual;
243: acl_free_qualifier(qual, *tag_type_p);
244: }
245:
246: return 0;
247: }
248:
1.1.1.3 ! misho 249: SMB_ACL_T sys_acl_init(int count)
1.1 misho 250: {
251: return acl_init(count);
252: }
253:
1.1.1.3 ! misho 254: int sys_acl_create_entry(SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry)
1.1 misho 255: {
256: SMB_ACL_ENTRY_T entry;
257:
258: if ((entry = acl_create_entry(pacl)) == NULL) {
259: return -1;
260: }
261:
262: *pentry = entry;
263: return 0;
264: }
265:
266: int sys_acl_set_info(SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tag_type, uint32 bits, id_t u_g_id)
267: {
268: if (acl_set_tag_type(entry, tag_type) != 0)
269: return -1;
270:
271: if (tag_type == SMB_ACL_USER || tag_type == SMB_ACL_GROUP) {
272: if (acl_set_qualifier(entry, (void*)&u_g_id) != 0)
273: return -1;
274: }
275:
276: return sys_acl_set_access_bits(entry, bits);
277: }
278:
279: int sys_acl_set_access_bits(SMB_ACL_ENTRY_T entry, uint32 bits)
280: {
281: acl_permset_t permset;
282: int rc;
283: if ((rc = acl_get_permset(entry, &permset)) != 0)
284: return rc;
285: *permset = bits & 7;
286: return acl_set_permset(entry, permset);
287: }
288:
1.1.1.3 ! misho 289: int sys_acl_valid(SMB_ACL_T theacl)
1.1 misho 290: {
291: acl_entry_t entry;
292:
293: return acl_valid(theacl, &entry);
294: }
295:
1.1.1.3 ! misho 296: int sys_acl_set_file(const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl)
1.1 misho 297: {
298: return acl_set_file((char *)name, acltype, theacl);
299: }
300:
301: #if 0
1.1.1.3 ! misho 302: int sys_acl_set_fd(int fd, SMB_ACL_T theacl)
1.1 misho 303: {
304: return acl_set_fd(fd, ACL_TYPE_ACCESS, theacl);
305: }
306: #endif
307:
308: int sys_acl_delete_def_file(const char *name)
309: {
310: return acl_delete_def_file((char *)name);
311: }
312:
313: int sys_acl_free_acl(SMB_ACL_T the_acl)
314: {
315: return acl_free(the_acl);
316: }
317:
318: #elif defined(HAVE_UNIXWARE_ACLS) || defined(HAVE_SOLARIS_ACLS) /*-----------*/
319:
320: /*
321: * Donated by Michael Davidson <md@sco.COM> for UnixWare / OpenUNIX.
322: * Modified by Toomas Soome <tsoome@ut.ee> for Solaris.
323: */
324:
325: /*
326: * Note that while this code implements sufficient functionality
327: * to support the sys_acl_* interfaces it does not provide all
328: * of the semantics of the POSIX ACL interfaces.
329: *
330: * In particular, an ACL entry descriptor (SMB_ACL_ENTRY_T) returned
331: * from a call to sys_acl_get_entry() should not be assumed to be
332: * valid after calling any of the following functions, which may
333: * reorder the entries in the ACL.
334: *
335: * sys_acl_valid()
336: * sys_acl_set_file()
337: * sys_acl_set_fd()
338: */
339:
340: /*
341: * The only difference between Solaris and UnixWare / OpenUNIX is
342: * that the #defines for the ACL operations have different names
343: */
344: #if defined(HAVE_UNIXWARE_ACLS)
345:
346: #define SETACL ACL_SET
347: #define GETACL ACL_GET
348: #define GETACLCNT ACL_CNT
349:
350: #endif
351:
352:
353: int sys_acl_get_entry(SMB_ACL_T acl_d, int entry_id, SMB_ACL_ENTRY_T *entry_p)
354: {
355: if (entry_id != SMB_ACL_FIRST_ENTRY && entry_id != SMB_ACL_NEXT_ENTRY) {
356: errno = EINVAL;
357: return -1;
358: }
359:
360: if (entry_p == NULL) {
361: errno = EINVAL;
362: return -1;
363: }
364:
365: if (entry_id == SMB_ACL_FIRST_ENTRY) {
366: acl_d->next = 0;
367: }
368:
369: if (acl_d->next < 0) {
370: errno = EINVAL;
371: return -1;
372: }
373:
374: if (acl_d->next >= acl_d->count) {
375: return 0;
376: }
377:
378: *entry_p = &acl_d->acl[acl_d->next++];
379:
380: return 1;
381: }
382:
383: int sys_acl_get_tag_type(SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *type_p)
384: {
385: *type_p = entry_d->a_type;
386:
387: return 0;
388: }
389:
390: /*
391: * There is no way of knowing what size the ACL returned by
392: * GETACL will be unless you first call GETACLCNT which means
393: * making an additional system call.
394: *
395: * In the hope of avoiding the cost of the additional system
396: * call in most cases, we initially allocate enough space for
397: * an ACL with INITIAL_ACL_SIZE entries. If this turns out to
398: * be too small then we use GETACLCNT to find out the actual
399: * size, reallocate the ACL buffer, and then call GETACL again.
400: */
401:
402: #define INITIAL_ACL_SIZE 16
403:
404: SMB_ACL_T sys_acl_get_file(const char *path_p, SMB_ACL_TYPE_T type)
405: {
406: SMB_ACL_T acl_d;
407: int count; /* # of ACL entries allocated */
408: int naccess; /* # of access ACL entries */
409: int ndefault; /* # of default ACL entries */
410:
411: if (type != SMB_ACL_TYPE_ACCESS && type != SMB_ACL_TYPE_DEFAULT) {
412: errno = EINVAL;
413: return NULL;
414: }
415:
416: count = INITIAL_ACL_SIZE;
417: if ((acl_d = sys_acl_init(count)) == NULL) {
418: return NULL;
419: }
420:
421: /*
422: * If there isn't enough space for the ACL entries we use
423: * GETACLCNT to determine the actual number of ACL entries
424: * reallocate and try again. This is in a loop because it
425: * is possible that someone else could modify the ACL and
426: * increase the number of entries between the call to
427: * GETACLCNT and the call to GETACL.
428: */
429: while ((count = acl(path_p, GETACL, count, &acl_d->acl[0])) < 0
430: && errno == ENOSPC) {
431:
432: sys_acl_free_acl(acl_d);
433:
434: if ((count = acl(path_p, GETACLCNT, 0, NULL)) < 0) {
435: return NULL;
436: }
437:
438: if ((acl_d = sys_acl_init(count)) == NULL) {
439: return NULL;
440: }
441: }
442:
443: if (count < 0) {
444: sys_acl_free_acl(acl_d);
445: return NULL;
446: }
447:
448: /*
449: * calculate the number of access and default ACL entries
450: *
451: * Note: we assume that the acl() system call returned a
452: * well formed ACL which is sorted so that all of the
1.1.1.3 ! misho 453: * access ACL entries precede any default ACL entries
1.1 misho 454: */
455: for (naccess = 0; naccess < count; naccess++) {
456: if (acl_d->acl[naccess].a_type & ACL_DEFAULT)
457: break;
458: }
459: ndefault = count - naccess;
460:
461: /*
462: * if the caller wants the default ACL we have to copy
463: * the entries down to the start of the acl[] buffer
464: * and mask out the ACL_DEFAULT flag from the type field
465: */
466: if (type == SMB_ACL_TYPE_DEFAULT) {
467: int i, j;
468:
469: for (i = 0, j = naccess; i < ndefault; i++, j++) {
470: acl_d->acl[i] = acl_d->acl[j];
471: acl_d->acl[i].a_type &= ~ACL_DEFAULT;
472: }
473:
474: acl_d->count = ndefault;
475: } else {
476: acl_d->count = naccess;
477: }
478:
479: return acl_d;
480: }
481:
482: #if 0
483: SMB_ACL_T sys_acl_get_fd(int fd)
484: {
485: SMB_ACL_T acl_d;
486: int count; /* # of ACL entries allocated */
487: int naccess; /* # of access ACL entries */
488:
489: count = INITIAL_ACL_SIZE;
490: if ((acl_d = sys_acl_init(count)) == NULL) {
491: return NULL;
492: }
493:
494: while ((count = facl(fd, GETACL, count, &acl_d->acl[0])) < 0
495: && errno == ENOSPC) {
496:
497: sys_acl_free_acl(acl_d);
498:
499: if ((count = facl(fd, GETACLCNT, 0, NULL)) < 0) {
500: return NULL;
501: }
502:
503: if ((acl_d = sys_acl_init(count)) == NULL) {
504: return NULL;
505: }
506: }
507:
508: if (count < 0) {
509: sys_acl_free_acl(acl_d);
510: return NULL;
511: }
512:
513: /*
514: * calculate the number of access ACL entries
515: */
516: for (naccess = 0; naccess < count; naccess++) {
517: if (acl_d->acl[naccess].a_type & ACL_DEFAULT)
518: break;
519: }
520:
521: acl_d->count = naccess;
522:
523: return acl_d;
524: }
525: #endif
526:
527: int sys_acl_get_info(SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T *tag_type_p, uint32 *bits_p, id_t *u_g_id_p)
528: {
529: *tag_type_p = entry->a_type;
530:
531: *bits_p = entry->a_perm;
532:
533: if (*tag_type_p == SMB_ACL_USER || *tag_type_p == SMB_ACL_GROUP)
534: *u_g_id_p = entry->a_id;
535:
536: return 0;
537: }
538:
539: SMB_ACL_T sys_acl_init(int count)
540: {
541: SMB_ACL_T a;
542:
543: if (count < 0) {
544: errno = EINVAL;
545: return NULL;
546: }
547:
548: /*
549: * note that since the definition of the structure pointed
550: * to by the SMB_ACL_T includes the first element of the
551: * acl[] array, this actually allocates an ACL with room
552: * for (count+1) entries
553: */
554: if ((a = (SMB_ACL_T)SMB_MALLOC(sizeof a[0] + count * sizeof (struct acl))) == NULL) {
555: errno = ENOMEM;
556: return NULL;
557: }
558:
559: a->size = count + 1;
560: a->count = 0;
561: a->next = -1;
562:
563: return a;
564: }
565:
566:
567: int sys_acl_create_entry(SMB_ACL_T *acl_p, SMB_ACL_ENTRY_T *entry_p)
568: {
569: SMB_ACL_T acl_d;
570: SMB_ACL_ENTRY_T entry_d;
571:
572: if (acl_p == NULL || entry_p == NULL || (acl_d = *acl_p) == NULL) {
573: errno = EINVAL;
574: return -1;
575: }
576:
577: if (acl_d->count >= acl_d->size) {
578: errno = ENOSPC;
579: return -1;
580: }
581:
582: entry_d = &acl_d->acl[acl_d->count++];
583: entry_d->a_type = 0;
584: entry_d->a_id = -1;
585: entry_d->a_perm = 0;
586: *entry_p = entry_d;
587:
588: return 0;
589: }
590:
591: int sys_acl_set_info(SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tag_type, uint32 bits, id_t u_g_id)
592: {
593: entry->a_type = tag_type;
594:
595: if (tag_type == SMB_ACL_USER || tag_type == SMB_ACL_GROUP)
596: entry->a_id = u_g_id;
597:
598: entry->a_perm = bits;
599:
600: return 0;
601: }
602:
603: int sys_acl_set_access_bits(SMB_ACL_ENTRY_T entry_d, uint32 bits)
604: {
605: entry_d->a_perm = bits;
606: return 0;
607: }
608:
609: /*
610: * sort the ACL and check it for validity
611: *
612: * if it's a minimal ACL with only 4 entries then we
613: * need to recalculate the mask permissions to make
614: * sure that they are the same as the GROUP_OBJ
615: * permissions as required by the UnixWare acl() system call.
616: *
617: * (note: since POSIX allows minimal ACLs which only contain
618: * 3 entries - ie there is no mask entry - we should, in theory,
619: * check for this and add a mask entry if necessary - however
620: * we "know" that the caller of this interface always specifies
621: * a mask so, in practice "this never happens" (tm) - if it *does*
622: * happen aclsort() will fail and return an error and someone will
623: * have to fix it ...)
624: */
625:
626: static int acl_sort(SMB_ACL_T acl_d)
627: {
628: int fixmask = (acl_d->count <= 4);
629:
630: if (aclsort(acl_d->count, fixmask, acl_d->acl) != 0) {
631: errno = EINVAL;
632: return -1;
633: }
634: return 0;
635: }
636:
637: int sys_acl_valid(SMB_ACL_T acl_d)
638: {
639: return acl_sort(acl_d);
640: }
641:
642: int sys_acl_set_file(const char *name, SMB_ACL_TYPE_T type, SMB_ACL_T acl_d)
643: {
644: struct stat s;
645: struct acl *acl_p;
646: int acl_count;
647: struct acl *acl_buf = NULL;
648: int ret;
649:
650: if (type != SMB_ACL_TYPE_ACCESS && type != SMB_ACL_TYPE_DEFAULT) {
651: errno = EINVAL;
652: return -1;
653: }
654:
655: if (acl_sort(acl_d) != 0) {
656: return -1;
657: }
658:
659: acl_p = &acl_d->acl[0];
660: acl_count = acl_d->count;
661:
662: /*
663: * if it's a directory there is extra work to do
664: * since the acl() system call will replace both
665: * the access ACLs and the default ACLs (if any)
666: */
667: if (stat(name, &s) != 0) {
668: return -1;
669: }
670: if (S_ISDIR(s.st_mode)) {
671: SMB_ACL_T acc_acl;
672: SMB_ACL_T def_acl;
673: SMB_ACL_T tmp_acl;
674: int i;
675:
676: if (type == SMB_ACL_TYPE_ACCESS) {
677: acc_acl = acl_d;
678: def_acl = tmp_acl = sys_acl_get_file(name, SMB_ACL_TYPE_DEFAULT);
679:
680: } else {
681: def_acl = acl_d;
682: acc_acl = tmp_acl = sys_acl_get_file(name, SMB_ACL_TYPE_ACCESS);
683: }
684:
685: if (tmp_acl == NULL) {
686: return -1;
687: }
688:
689: /*
690: * allocate a temporary buffer for the complete ACL
691: */
692: acl_count = acc_acl->count + def_acl->count;
693: acl_p = acl_buf = SMB_MALLOC_ARRAY(struct acl, acl_count);
694:
695: if (acl_buf == NULL) {
696: sys_acl_free_acl(tmp_acl);
697: errno = ENOMEM;
698: return -1;
699: }
700:
701: /*
702: * copy the access control and default entries into the buffer
703: */
704: memcpy(&acl_buf[0], &acc_acl->acl[0],
1.1.1.3 ! misho 705: acc_acl->count * sizeof acl_buf[0]);
1.1 misho 706:
707: memcpy(&acl_buf[acc_acl->count], &def_acl->acl[0],
1.1.1.3 ! misho 708: def_acl->count * sizeof acl_buf[0]);
1.1 misho 709:
710: /*
711: * set the ACL_DEFAULT flag on the default entries
712: */
713: for (i = acc_acl->count; i < acl_count; i++) {
714: acl_buf[i].a_type |= ACL_DEFAULT;
715: }
716:
717: sys_acl_free_acl(tmp_acl);
718:
719: } else if (type != SMB_ACL_TYPE_ACCESS) {
720: errno = EINVAL;
721: return -1;
722: }
723:
724: ret = acl(name, SETACL, acl_count, acl_p);
725:
726: SAFE_FREE(acl_buf);
727:
728: return ret;
729: }
730:
731: #if 0
732: int sys_acl_set_fd(int fd, SMB_ACL_T acl_d)
733: {
734: if (acl_sort(acl_d) != 0) {
735: return -1;
736: }
737:
738: return facl(fd, SETACL, acl_d->count, &acl_d->acl[0]);
739: }
740: #endif
741:
742: int sys_acl_delete_def_file(const char *path)
743: {
744: SMB_ACL_T acl_d;
745: int ret;
746:
747: /*
748: * fetching the access ACL and rewriting it has
749: * the effect of deleting the default ACL
750: */
751: if ((acl_d = sys_acl_get_file(path, SMB_ACL_TYPE_ACCESS)) == NULL) {
752: return -1;
753: }
754:
755: ret = acl(path, SETACL, acl_d->count, acl_d->acl);
756:
757: sys_acl_free_acl(acl_d);
758:
759: return ret;
760: }
761:
762: int sys_acl_free_acl(SMB_ACL_T acl_d)
763: {
764: SAFE_FREE(acl_d);
765: return 0;
766: }
767:
768: #elif defined(HAVE_HPUX_ACLS) /*---------------------------------------------*/
769:
1.1.1.3 ! misho 770: #ifdef HAVE_DL_H
1.1 misho 771: #include <dl.h>
1.1.1.3 ! misho 772: #endif
1.1 misho 773:
774: /*
775: * Based on the Solaris/SCO code - with modifications.
776: */
777:
778: /*
779: * Note that while this code implements sufficient functionality
780: * to support the sys_acl_* interfaces it does not provide all
781: * of the semantics of the POSIX ACL interfaces.
782: *
783: * In particular, an ACL entry descriptor (SMB_ACL_ENTRY_T) returned
784: * from a call to sys_acl_get_entry() should not be assumed to be
785: * valid after calling any of the following functions, which may
786: * reorder the entries in the ACL.
787: *
788: * sys_acl_valid()
789: * sys_acl_set_file()
790: * sys_acl_set_fd()
791: */
792:
793: /* This checks if the POSIX ACL system call is defined */
794: /* which basically corresponds to whether JFS 3.3 or */
795: /* higher is installed. If acl() was called when it */
796: /* isn't defined, it causes the process to core dump */
797: /* so it is important to check this and avoid acl() */
798: /* calls if it isn't there. */
799:
1.1.1.3 ! misho 800: #ifdef __TANDEM
! 801: inline int do_acl(const char *path_p, int cmd, int nentries, struct acl *aclbufp)
1.1 misho 802: {
1.1.1.3 ! misho 803: return acl((char*)path_p, cmd, nentries, aclbufp);
! 804: }
! 805: #define acl(p,c,n,a) do_acl(p,c,n,a)
! 806: #endif
1.1 misho 807:
1.1.1.3 ! misho 808: static BOOL hpux_acl_call_presence(void)
! 809: {
! 810: #ifndef __TANDEM
1.1 misho 811: shl_t handle = NULL;
812: void *value;
813: int ret_val=0;
814: static BOOL already_checked=0;
815:
1.1.1.3 ! misho 816: if (already_checked)
1.1 misho 817: return True;
818:
819: ret_val = shl_findsym(&handle, "acl", TYPE_PROCEDURE, &value);
820:
1.1.1.3 ! misho 821: if (ret_val != 0) {
1.1 misho 822: DEBUG(5, ("hpux_acl_call_presence: shl_findsym() returned %d, errno = %d, error %s\n",
823: ret_val, errno, strerror(errno)));
1.1.1.3 ! misho 824: DEBUG(5, ("hpux_acl_call_presence: acl() system call is not present. Check if you have JFS 3.3 and above?\n"));
1.1 misho 825: return False;
826: }
827:
1.1.1.3 ! misho 828: DEBUG(10, ("hpux_acl_call_presence: acl() system call is present. We have JFS 3.3 or above \n"));
1.1 misho 829:
830: already_checked = True;
1.1.1.3 ! misho 831: #endif
1.1 misho 832: return True;
833: }
834:
835: int sys_acl_get_entry(SMB_ACL_T acl_d, int entry_id, SMB_ACL_ENTRY_T *entry_p)
836: {
837: if (entry_id != SMB_ACL_FIRST_ENTRY && entry_id != SMB_ACL_NEXT_ENTRY) {
838: errno = EINVAL;
839: return -1;
840: }
841:
842: if (entry_p == NULL) {
843: errno = EINVAL;
844: return -1;
845: }
846:
847: if (entry_id == SMB_ACL_FIRST_ENTRY) {
848: acl_d->next = 0;
849: }
850:
851: if (acl_d->next < 0) {
852: errno = EINVAL;
853: return -1;
854: }
855:
856: if (acl_d->next >= acl_d->count) {
857: return 0;
858: }
859:
860: *entry_p = &acl_d->acl[acl_d->next++];
861:
862: return 1;
863: }
864:
865: int sys_acl_get_tag_type(SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *type_p)
866: {
867: *type_p = entry_d->a_type;
868:
869: return 0;
870: }
871:
872: /*
873: * There is no way of knowing what size the ACL returned by
874: * ACL_GET will be unless you first call ACL_CNT which means
875: * making an additional system call.
876: *
877: * In the hope of avoiding the cost of the additional system
878: * call in most cases, we initially allocate enough space for
879: * an ACL with INITIAL_ACL_SIZE entries. If this turns out to
880: * be too small then we use ACL_CNT to find out the actual
881: * size, reallocate the ACL buffer, and then call ACL_GET again.
882: */
883:
884: #define INITIAL_ACL_SIZE 16
885:
1.1.1.2 misho 886: #ifndef NACLENTRIES
887: #define NACLENTRIES 0
888: #endif
889:
1.1 misho 890: SMB_ACL_T sys_acl_get_file(const char *path_p, SMB_ACL_TYPE_T type)
891: {
892: SMB_ACL_T acl_d;
893: int count; /* # of ACL entries allocated */
894: int naccess; /* # of access ACL entries */
895: int ndefault; /* # of default ACL entries */
896:
1.1.1.3 ! misho 897: if (hpux_acl_call_presence() == False) {
1.1 misho 898: /* Looks like we don't have the acl() system call on HPUX.
899: * May be the system doesn't have the latest version of JFS.
900: */
901: return NULL;
902: }
903:
904: if (type != SMB_ACL_TYPE_ACCESS && type != SMB_ACL_TYPE_DEFAULT) {
905: errno = EINVAL;
906: return NULL;
907: }
908:
909: count = INITIAL_ACL_SIZE;
910: if ((acl_d = sys_acl_init(count)) == NULL) {
911: return NULL;
912: }
913:
914: /*
915: * If there isn't enough space for the ACL entries we use
916: * ACL_CNT to determine the actual number of ACL entries
917: * reallocate and try again. This is in a loop because it
918: * is possible that someone else could modify the ACL and
919: * increase the number of entries between the call to
920: * ACL_CNT and the call to ACL_GET.
921: */
922: while ((count = acl(path_p, ACL_GET, count, &acl_d->acl[0])) < 0 && errno == ENOSPC) {
923:
924: sys_acl_free_acl(acl_d);
925:
1.1.1.2 misho 926: if ((count = acl(path_p, ACL_CNT, NACLENTRIES, NULL)) < 0) {
1.1 misho 927: return NULL;
928: }
929:
930: if ((acl_d = sys_acl_init(count)) == NULL) {
931: return NULL;
932: }
933: }
934:
935: if (count < 0) {
936: sys_acl_free_acl(acl_d);
937: return NULL;
938: }
939:
940: /*
941: * calculate the number of access and default ACL entries
942: *
943: * Note: we assume that the acl() system call returned a
944: * well formed ACL which is sorted so that all of the
1.1.1.3 ! misho 945: * access ACL entries precede any default ACL entries
1.1 misho 946: */
947: for (naccess = 0; naccess < count; naccess++) {
948: if (acl_d->acl[naccess].a_type & ACL_DEFAULT)
949: break;
950: }
951: ndefault = count - naccess;
952:
953: /*
954: * if the caller wants the default ACL we have to copy
955: * the entries down to the start of the acl[] buffer
956: * and mask out the ACL_DEFAULT flag from the type field
957: */
958: if (type == SMB_ACL_TYPE_DEFAULT) {
959: int i, j;
960:
961: for (i = 0, j = naccess; i < ndefault; i++, j++) {
962: acl_d->acl[i] = acl_d->acl[j];
963: acl_d->acl[i].a_type &= ~ACL_DEFAULT;
964: }
965:
966: acl_d->count = ndefault;
967: } else {
968: acl_d->count = naccess;
969: }
970:
971: return acl_d;
972: }
973:
974: #if 0
975: SMB_ACL_T sys_acl_get_fd(int fd)
976: {
977: /*
978: * HPUX doesn't have the facl call. Fake it using the path.... JRA.
979: */
980:
981: files_struct *fsp = file_find_fd(fd);
982:
983: if (fsp == NULL) {
984: errno = EBADF;
985: return NULL;
986: }
987:
988: /*
989: * We know we're in the same conn context. So we
990: * can use the relative path.
991: */
992:
993: return sys_acl_get_file(fsp->fsp_name, SMB_ACL_TYPE_ACCESS);
994: }
995: #endif
996:
997: int sys_acl_get_info(SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T *tag_type_p, uint32 *bits_p, id_t *u_g_id_p)
998: {
999: *tag_type_p = entry->a_type;
1000:
1001: *bits_p = entry->a_perm;
1002:
1003: if (*tag_type_p == SMB_ACL_USER || *tag_type_p == SMB_ACL_GROUP)
1004: *u_g_id_p = entry->a_id;
1005:
1006: return 0;
1007: }
1008:
1009: SMB_ACL_T sys_acl_init(int count)
1010: {
1011: SMB_ACL_T a;
1012:
1013: if (count < 0) {
1014: errno = EINVAL;
1015: return NULL;
1016: }
1017:
1018: /*
1019: * note that since the definition of the structure pointed
1020: * to by the SMB_ACL_T includes the first element of the
1021: * acl[] array, this actually allocates an ACL with room
1022: * for (count+1) entries
1023: */
1.1.1.3 ! misho 1024: if ((a = (SMB_ACL_T)SMB_MALLOC(sizeof a[0] + count * sizeof (struct acl))) == NULL) {
1.1 misho 1025: errno = ENOMEM;
1026: return NULL;
1027: }
1028:
1029: a->size = count + 1;
1030: a->count = 0;
1031: a->next = -1;
1032:
1033: return a;
1034: }
1035:
1036:
1037: int sys_acl_create_entry(SMB_ACL_T *acl_p, SMB_ACL_ENTRY_T *entry_p)
1038: {
1039: SMB_ACL_T acl_d;
1040: SMB_ACL_ENTRY_T entry_d;
1041:
1042: if (acl_p == NULL || entry_p == NULL || (acl_d = *acl_p) == NULL) {
1043: errno = EINVAL;
1044: return -1;
1045: }
1046:
1047: if (acl_d->count >= acl_d->size) {
1048: errno = ENOSPC;
1049: return -1;
1050: }
1051:
1052: entry_d = &acl_d->acl[acl_d->count++];
1053: entry_d->a_type = 0;
1054: entry_d->a_id = -1;
1055: entry_d->a_perm = 0;
1056: *entry_p = entry_d;
1057:
1058: return 0;
1059: }
1060:
1061: int sys_acl_set_info(SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tag_type, uint32 bits, id_t u_g_id)
1062: {
1063: entry->a_type = tag_type;
1064:
1065: if (tag_type == SMB_ACL_USER || tag_type == SMB_ACL_GROUP)
1066: entry->a_id = u_g_id;
1067:
1068: entry->a_perm = bits;
1069:
1070: return 0;
1071: }
1072:
1073: int sys_acl_set_access_bits(SMB_ACL_ENTRY_T entry_d, uint32 bits)
1074: {
1075: entry_d->a_perm = bits;
1076:
1077: return 0;
1078: }
1079:
1080: /* Structure to capture the count for each type of ACE. */
1081:
1082: struct hpux_acl_types {
1083: int n_user;
1084: int n_def_user;
1085: int n_user_obj;
1086: int n_def_user_obj;
1087:
1088: int n_group;
1089: int n_def_group;
1090: int n_group_obj;
1091: int n_def_group_obj;
1092:
1093: int n_other;
1094: int n_other_obj;
1095: int n_def_other_obj;
1096:
1097: int n_class_obj;
1098: int n_def_class_obj;
1099:
1100: int n_illegal_obj;
1101: };
1102:
1103: /* count_obj:
1104: * Counts the different number of objects in a given array of ACL
1105: * structures.
1106: * Inputs:
1107: *
1.1.1.3 ! misho 1108: * acl_count - Count of ACLs in the array of ACL structures.
1.1 misho 1109: * aclp - Array of ACL structures.
1110: * acl_type_count - Pointer to acl_types structure. Should already be
1111: * allocated.
1112: * Output:
1113: *
1114: * acl_type_count - This structure is filled up with counts of various
1115: * acl types.
1116: */
1117:
1118: static void hpux_count_obj(int acl_count, struct acl *aclp, struct hpux_acl_types *acl_type_count)
1119: {
1120: int i;
1121:
1.1.1.3 ! misho 1122: memset(acl_type_count, 0, sizeof (struct hpux_acl_types));
1.1 misho 1123:
1.1.1.3 ! misho 1124: for (i = 0; i < acl_count; i++) {
! 1125: switch (aclp[i].a_type) {
1.1 misho 1126: case USER:
1127: acl_type_count->n_user++;
1128: break;
1129: case USER_OBJ:
1130: acl_type_count->n_user_obj++;
1131: break;
1132: case DEF_USER_OBJ:
1133: acl_type_count->n_def_user_obj++;
1134: break;
1135: case GROUP:
1136: acl_type_count->n_group++;
1137: break;
1138: case GROUP_OBJ:
1139: acl_type_count->n_group_obj++;
1140: break;
1141: case DEF_GROUP_OBJ:
1142: acl_type_count->n_def_group_obj++;
1143: break;
1144: case OTHER_OBJ:
1145: acl_type_count->n_other_obj++;
1146: break;
1147: case DEF_OTHER_OBJ:
1148: acl_type_count->n_def_other_obj++;
1149: break;
1150: case CLASS_OBJ:
1151: acl_type_count->n_class_obj++;
1152: break;
1153: case DEF_CLASS_OBJ:
1154: acl_type_count->n_def_class_obj++;
1155: break;
1156: case DEF_USER:
1157: acl_type_count->n_def_user++;
1158: break;
1159: case DEF_GROUP:
1160: acl_type_count->n_def_group++;
1161: break;
1162: default:
1163: acl_type_count->n_illegal_obj++;
1164: break;
1165: }
1166: }
1167: }
1168:
1169: /* swap_acl_entries: Swaps two ACL entries.
1170: *
1171: * Inputs: aclp0, aclp1 - ACL entries to be swapped.
1172: */
1173:
1174: static void hpux_swap_acl_entries(struct acl *aclp0, struct acl *aclp1)
1175: {
1176: struct acl temp_acl;
1177:
1178: temp_acl.a_type = aclp0->a_type;
1179: temp_acl.a_id = aclp0->a_id;
1180: temp_acl.a_perm = aclp0->a_perm;
1181:
1182: aclp0->a_type = aclp1->a_type;
1183: aclp0->a_id = aclp1->a_id;
1184: aclp0->a_perm = aclp1->a_perm;
1185:
1186: aclp1->a_type = temp_acl.a_type;
1187: aclp1->a_id = temp_acl.a_id;
1188: aclp1->a_perm = temp_acl.a_perm;
1189: }
1190:
1191: /* prohibited_duplicate_type
1192: * Identifies if given ACL type can have duplicate entries or
1193: * not.
1194: *
1195: * Inputs: acl_type - ACL Type.
1196: *
1197: * Outputs:
1198: *
1199: * Return..
1200: *
1201: * True - If the ACL type matches any of the prohibited types.
1202: * False - If the ACL type doesn't match any of the prohibited types.
1203: */
1204:
1205: static BOOL hpux_prohibited_duplicate_type(int acl_type)
1206: {
1.1.1.3 ! misho 1207: switch (acl_type) {
! 1208: case USER:
! 1209: case GROUP:
! 1210: case DEF_USER:
! 1211: case DEF_GROUP:
! 1212: return True;
! 1213: default:
! 1214: return False;
1.1 misho 1215: }
1216: }
1217:
1218: /* get_needed_class_perm
1219: * Returns the permissions of a ACL structure only if the ACL
1220: * type matches one of the pre-determined types for computing
1221: * CLASS_OBJ permissions.
1222: *
1223: * Inputs: aclp - Pointer to ACL structure.
1224: */
1225:
1226: static int hpux_get_needed_class_perm(struct acl *aclp)
1227: {
1.1.1.3 ! misho 1228: switch (aclp->a_type) {
! 1229: case USER:
! 1230: case GROUP_OBJ:
! 1231: case GROUP:
! 1232: case DEF_USER_OBJ:
! 1233: case DEF_USER:
! 1234: case DEF_GROUP_OBJ:
! 1235: case DEF_GROUP:
! 1236: case DEF_CLASS_OBJ:
! 1237: case DEF_OTHER_OBJ:
! 1238: return aclp->a_perm;
! 1239: default:
! 1240: return 0;
1.1 misho 1241: }
1242: }
1243:
1244: /* acl_sort for HPUX.
1245: * Sorts the array of ACL structures as per the description in
1246: * aclsort man page. Refer to aclsort man page for more details
1247: *
1248: * Inputs:
1249: *
1250: * acl_count - Count of ACLs in the array of ACL structures.
1251: * calclass - If this is not zero, then we compute the CLASS_OBJ
1252: * permissions.
1253: * aclp - Array of ACL structures.
1254: *
1255: * Outputs:
1256: *
1257: * aclp - Sorted array of ACL structures.
1258: *
1259: * Outputs:
1260: *
1261: * Returns 0 for success -1 for failure. Prints a message to the Samba
1262: * debug log in case of failure.
1263: */
1264:
1265: static int hpux_acl_sort(int acl_count, int calclass, struct acl *aclp)
1266: {
1267: #if !defined(HAVE_HPUX_ACLSORT)
1268: /*
1.1.1.3 ! misho 1269: * The aclsort() system call is available on the latest HPUX General
1.1 misho 1270: * Patch Bundles. So for HPUX, we developed our version of acl_sort
1271: * function. Because, we don't want to update to a new
1272: * HPUX GR bundle just for aclsort() call.
1273: */
1274:
1275: struct hpux_acl_types acl_obj_count;
1276: int n_class_obj_perm = 0;
1277: int i, j;
1278:
1.1.1.3 ! misho 1279: if (!acl_count) {
! 1280: DEBUG(10, ("Zero acl count passed. Returning Success\n"));
1.1 misho 1281: return 0;
1282: }
1283:
1.1.1.3 ! misho 1284: if (aclp == NULL) {
! 1285: DEBUG(0, ("Null ACL pointer in hpux_acl_sort. Returning Failure. \n"));
1.1 misho 1286: return -1;
1287: }
1288:
1289: /* Count different types of ACLs in the ACLs array */
1290:
1291: hpux_count_obj(acl_count, aclp, &acl_obj_count);
1292:
1293: /* There should be only one entry each of type USER_OBJ, GROUP_OBJ,
1294: * CLASS_OBJ and OTHER_OBJ
1295: */
1296:
1.1.1.3 ! misho 1297: if (acl_obj_count.n_user_obj != 1
! 1298: || acl_obj_count.n_group_obj != 1
! 1299: || acl_obj_count.n_class_obj != 1
! 1300: || acl_obj_count.n_other_obj != 1) {
! 1301: DEBUG(0, ("hpux_acl_sort: More than one entry or no entries for \
1.1 misho 1302: USER OBJ or GROUP_OBJ or OTHER_OBJ or CLASS_OBJ\n"));
1303: return -1;
1304: }
1305:
1306: /* If any of the default objects are present, there should be only
1307: * one of them each.
1308: */
1.1.1.3 ! misho 1309: if (acl_obj_count.n_def_user_obj > 1 || acl_obj_count.n_def_group_obj > 1
! 1310: || acl_obj_count.n_def_other_obj > 1 || acl_obj_count.n_def_class_obj > 1) {
! 1311: DEBUG(0, ("hpux_acl_sort: More than one entry for DEF_CLASS_OBJ \
1.1 misho 1312: or DEF_USER_OBJ or DEF_GROUP_OBJ or DEF_OTHER_OBJ\n"));
1313: return -1;
1314: }
1315:
1316: /* We now have proper number of OBJ and DEF_OBJ entries. Now sort the acl
1317: * structures.
1318: *
1319: * Sorting crieteria - First sort by ACL type. If there are multiple entries of
1320: * same ACL type, sort by ACL id.
1321: *
1.1.1.3 ! misho 1322: * I am using the trivial kind of sorting method here because, performance isn't
1.1 misho 1323: * really effected by the ACLs feature. More over there aren't going to be more
1324: * than 17 entries on HPUX.
1325: */
1326:
1.1.1.3 ! misho 1327: for (i = 0; i < acl_count; i++) {
! 1328: for (j = i+1; j < acl_count; j++) {
! 1329: if (aclp[i].a_type > aclp[j].a_type) {
1.1 misho 1330: /* ACL entries out of order, swap them */
1331: hpux_swap_acl_entries((aclp+i), (aclp+j));
1.1.1.3 ! misho 1332: } else if (aclp[i].a_type == aclp[j].a_type) {
1.1 misho 1333: /* ACL entries of same type, sort by id */
1.1.1.3 ! misho 1334: if (aclp[i].a_id > aclp[j].a_id) {
1.1 misho 1335: hpux_swap_acl_entries((aclp+i), (aclp+j));
1336: } else if (aclp[i].a_id == aclp[j].a_id) {
1337: /* We have a duplicate entry. */
1.1.1.3 ! misho 1338: if (hpux_prohibited_duplicate_type(aclp[i].a_type)) {
1.1 misho 1339: DEBUG(0, ("hpux_acl_sort: Duplicate entry: Type(hex): %x Id: %d\n",
1340: aclp[i].a_type, aclp[i].a_id));
1341: return -1;
1342: }
1343: }
1344: }
1345: }
1346: }
1347:
1348: /* set the class obj permissions to the computed one. */
1.1.1.3 ! misho 1349: if (calclass) {
1.1 misho 1350: int n_class_obj_index = -1;
1351:
1.1.1.3 ! misho 1352: for (i = 0;i < acl_count; i++) {
1.1 misho 1353: n_class_obj_perm |= hpux_get_needed_class_perm((aclp+i));
1.1.1.3 ! misho 1354: if (aclp[i].a_type == CLASS_OBJ)
1.1 misho 1355: n_class_obj_index = i;
1356: }
1357: aclp[n_class_obj_index].a_perm = n_class_obj_perm;
1358: }
1359:
1360: return 0;
1361: #else
1362: return aclsort(acl_count, calclass, aclp);
1363: #endif
1364: }
1365:
1366: /*
1367: * sort the ACL and check it for validity
1368: *
1369: * if it's a minimal ACL with only 4 entries then we
1370: * need to recalculate the mask permissions to make
1371: * sure that they are the same as the GROUP_OBJ
1372: * permissions as required by the UnixWare acl() system call.
1373: *
1374: * (note: since POSIX allows minimal ACLs which only contain
1375: * 3 entries - ie there is no mask entry - we should, in theory,
1376: * check for this and add a mask entry if necessary - however
1377: * we "know" that the caller of this interface always specifies
1378: * a mask so, in practice "this never happens" (tm) - if it *does*
1379: * happen aclsort() will fail and return an error and someone will
1380: * have to fix it ...)
1381: */
1382:
1383: static int acl_sort(SMB_ACL_T acl_d)
1384: {
1385: int fixmask = (acl_d->count <= 4);
1386:
1387: if (hpux_acl_sort(acl_d->count, fixmask, acl_d->acl) != 0) {
1388: errno = EINVAL;
1389: return -1;
1390: }
1391: return 0;
1392: }
1393:
1394: int sys_acl_valid(SMB_ACL_T acl_d)
1395: {
1396: return acl_sort(acl_d);
1397: }
1398:
1399: int sys_acl_set_file(const char *name, SMB_ACL_TYPE_T type, SMB_ACL_T acl_d)
1400: {
1401: struct stat s;
1402: struct acl *acl_p;
1403: int acl_count;
1404: struct acl *acl_buf = NULL;
1405: int ret;
1406:
1.1.1.3 ! misho 1407: if (hpux_acl_call_presence() == False) {
1.1 misho 1408: /* Looks like we don't have the acl() system call on HPUX.
1409: * May be the system doesn't have the latest version of JFS.
1410: */
1411: errno=ENOSYS;
1412: return -1;
1413: }
1414:
1415: if (type != SMB_ACL_TYPE_ACCESS && type != SMB_ACL_TYPE_DEFAULT) {
1416: errno = EINVAL;
1417: return -1;
1418: }
1419:
1420: if (acl_sort(acl_d) != 0) {
1421: return -1;
1422: }
1423:
1424: acl_p = &acl_d->acl[0];
1425: acl_count = acl_d->count;
1426:
1427: /*
1428: * if it's a directory there is extra work to do
1429: * since the acl() system call will replace both
1430: * the access ACLs and the default ACLs (if any)
1431: */
1432: if (stat(name, &s) != 0) {
1433: return -1;
1434: }
1435: if (S_ISDIR(s.st_mode)) {
1436: SMB_ACL_T acc_acl;
1437: SMB_ACL_T def_acl;
1438: SMB_ACL_T tmp_acl;
1439: int i;
1440:
1441: if (type == SMB_ACL_TYPE_ACCESS) {
1442: acc_acl = acl_d;
1443: def_acl = tmp_acl = sys_acl_get_file(name, SMB_ACL_TYPE_DEFAULT);
1444:
1445: } else {
1446: def_acl = acl_d;
1447: acc_acl = tmp_acl = sys_acl_get_file(name, SMB_ACL_TYPE_ACCESS);
1448: }
1449:
1450: if (tmp_acl == NULL) {
1451: return -1;
1452: }
1453:
1454: /*
1455: * allocate a temporary buffer for the complete ACL
1456: */
1457: acl_count = acc_acl->count + def_acl->count;
1458: acl_p = acl_buf = SMB_MALLOC_ARRAY(struct acl, acl_count);
1459:
1460: if (acl_buf == NULL) {
1461: sys_acl_free_acl(tmp_acl);
1462: errno = ENOMEM;
1463: return -1;
1464: }
1465:
1466: /*
1467: * copy the access control and default entries into the buffer
1468: */
1469: memcpy(&acl_buf[0], &acc_acl->acl[0],
1.1.1.3 ! misho 1470: acc_acl->count * sizeof acl_buf[0]);
1.1 misho 1471:
1472: memcpy(&acl_buf[acc_acl->count], &def_acl->acl[0],
1.1.1.3 ! misho 1473: def_acl->count * sizeof acl_buf[0]);
1.1 misho 1474:
1475: /*
1476: * set the ACL_DEFAULT flag on the default entries
1477: */
1478: for (i = acc_acl->count; i < acl_count; i++) {
1479: acl_buf[i].a_type |= ACL_DEFAULT;
1480: }
1481:
1482: sys_acl_free_acl(tmp_acl);
1483:
1484: } else if (type != SMB_ACL_TYPE_ACCESS) {
1485: errno = EINVAL;
1486: return -1;
1487: }
1488:
1489: ret = acl(name, ACL_SET, acl_count, acl_p);
1490:
1491: if (acl_buf) {
1492: free(acl_buf);
1493: }
1494:
1495: return ret;
1496: }
1497:
1498: #if 0
1499: int sys_acl_set_fd(int fd, SMB_ACL_T acl_d)
1500: {
1501: /*
1502: * HPUX doesn't have the facl call. Fake it using the path.... JRA.
1503: */
1504:
1505: files_struct *fsp = file_find_fd(fd);
1506:
1507: if (fsp == NULL) {
1508: errno = EBADF;
1509: return NULL;
1510: }
1511:
1512: if (acl_sort(acl_d) != 0) {
1513: return -1;
1514: }
1515:
1516: /*
1517: * We know we're in the same conn context. So we
1518: * can use the relative path.
1519: */
1520:
1521: return sys_acl_set_file(fsp->fsp_name, SMB_ACL_TYPE_ACCESS, acl_d);
1522: }
1523: #endif
1524:
1525: int sys_acl_delete_def_file(const char *path)
1526: {
1527: SMB_ACL_T acl_d;
1528: int ret;
1529:
1530: /*
1531: * fetching the access ACL and rewriting it has
1532: * the effect of deleting the default ACL
1533: */
1534: if ((acl_d = sys_acl_get_file(path, SMB_ACL_TYPE_ACCESS)) == NULL) {
1535: return -1;
1536: }
1537:
1538: ret = acl(path, ACL_SET, acl_d->count, acl_d->acl);
1539:
1540: sys_acl_free_acl(acl_d);
1541:
1542: return ret;
1543: }
1544:
1545: int sys_acl_free_acl(SMB_ACL_T acl_d)
1546: {
1547: free(acl_d);
1548: return 0;
1549: }
1550:
1551: #elif defined(HAVE_IRIX_ACLS) /*---------------------------------------------*/
1552:
1553: int sys_acl_get_entry(SMB_ACL_T acl_d, int entry_id, SMB_ACL_ENTRY_T *entry_p)
1554: {
1555: if (entry_id != SMB_ACL_FIRST_ENTRY && entry_id != SMB_ACL_NEXT_ENTRY) {
1556: errno = EINVAL;
1557: return -1;
1558: }
1559:
1560: if (entry_p == NULL) {
1561: errno = EINVAL;
1562: return -1;
1563: }
1564:
1565: if (entry_id == SMB_ACL_FIRST_ENTRY) {
1566: acl_d->next = 0;
1567: }
1568:
1569: if (acl_d->next < 0) {
1570: errno = EINVAL;
1571: return -1;
1572: }
1573:
1574: if (acl_d->next >= acl_d->aclp->acl_cnt) {
1575: return 0;
1576: }
1577:
1578: *entry_p = &acl_d->aclp->acl_entry[acl_d->next++];
1579:
1580: return 1;
1581: }
1582:
1583: int sys_acl_get_tag_type(SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *type_p)
1584: {
1585: *type_p = entry_d->ae_tag;
1586:
1587: return 0;
1588: }
1589:
1590: SMB_ACL_T sys_acl_get_file(const char *path_p, SMB_ACL_TYPE_T type)
1591: {
1592: SMB_ACL_T a;
1593:
1594: if ((a = SMB_MALLOC_P(struct SMB_ACL_T)) == NULL) {
1595: errno = ENOMEM;
1596: return NULL;
1597: }
1598: if ((a->aclp = acl_get_file(path_p, type)) == NULL) {
1599: SAFE_FREE(a);
1600: return NULL;
1601: }
1602: a->next = -1;
1603: a->freeaclp = True;
1604: return a;
1605: }
1606:
1607: #if 0
1608: SMB_ACL_T sys_acl_get_fd(int fd)
1609: {
1610: SMB_ACL_T a;
1611:
1612: if ((a = SMB_MALLOC_P(struct SMB_ACL_T)) == NULL) {
1613: errno = ENOMEM;
1614: return NULL;
1615: }
1616: if ((a->aclp = acl_get_fd(fd)) == NULL) {
1617: SAFE_FREE(a);
1618: return NULL;
1619: }
1620: a->next = -1;
1621: a->freeaclp = True;
1622: return a;
1623: }
1624: #endif
1625:
1626: int sys_acl_get_info(SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T *tag_type_p, uint32 *bits_p, id_t *u_g_id_p)
1627: {
1628: *tag_type_p = entry->ae_tag;
1629:
1630: *bits_p = entry->ae_perm;
1631:
1632: if (*tag_type_p == SMB_ACL_USER || *tag_type_p == SMB_ACL_GROUP)
1633: *u_g_id_p = entry->ae_id;
1634:
1635: return 0;
1636: }
1637:
1638: SMB_ACL_T sys_acl_init(int count)
1639: {
1640: SMB_ACL_T a;
1641:
1642: if (count < 0) {
1643: errno = EINVAL;
1644: return NULL;
1645: }
1646:
1647: if ((a = (SMB_ACL_T)SMB_MALLOC(sizeof a[0] + sizeof (struct acl))) == NULL) {
1648: errno = ENOMEM;
1649: return NULL;
1650: }
1651:
1652: a->next = -1;
1653: a->freeaclp = False;
1654: a->aclp = (struct acl *)((char *)a + sizeof a[0]);
1655: a->aclp->acl_cnt = 0;
1656:
1657: return a;
1658: }
1659:
1660:
1661: int sys_acl_create_entry(SMB_ACL_T *acl_p, SMB_ACL_ENTRY_T *entry_p)
1662: {
1663: SMB_ACL_T acl_d;
1664: SMB_ACL_ENTRY_T entry_d;
1665:
1666: if (acl_p == NULL || entry_p == NULL || (acl_d = *acl_p) == NULL) {
1667: errno = EINVAL;
1668: return -1;
1669: }
1670:
1671: if (acl_d->aclp->acl_cnt >= ACL_MAX_ENTRIES) {
1672: errno = ENOSPC;
1673: return -1;
1674: }
1675:
1676: entry_d = &acl_d->aclp->acl_entry[acl_d->aclp->acl_cnt++];
1677: entry_d->ae_tag = 0;
1678: entry_d->ae_id = 0;
1679: entry_d->ae_perm = 0;
1680: *entry_p = entry_d;
1681:
1682: return 0;
1683: }
1684:
1685: int sys_acl_set_info(SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tag_type, uint32 bits, id_t u_g_id)
1686: {
1687: entry->ae_tag = tag_type;
1688:
1689: if (tag_type == SMB_ACL_USER || tag_type == SMB_ACL_GROUP)
1690: entry->ae_id = u_g_id;
1691:
1692: entry->ae_perm = bits;
1693:
1694: return 0;
1695: }
1696:
1697: int sys_acl_set_access_bits(SMB_ACL_ENTRY_T entry_d, uint32 bits)
1698: {
1699: entry_d->ae_perm = bits;
1700:
1701: return 0;
1702: }
1703:
1704: int sys_acl_valid(SMB_ACL_T acl_d)
1705: {
1706: return acl_valid(acl_d->aclp);
1707: }
1708:
1709: int sys_acl_set_file(const char *name, SMB_ACL_TYPE_T type, SMB_ACL_T acl_d)
1710: {
1711: return acl_set_file(name, type, acl_d->aclp);
1712: }
1713:
1714: #if 0
1715: int sys_acl_set_fd(int fd, SMB_ACL_T acl_d)
1716: {
1717: return acl_set_fd(fd, acl_d->aclp);
1718: }
1719: #endif
1720:
1721: int sys_acl_delete_def_file(const char *name)
1722: {
1723: return acl_delete_def_file(name);
1724: }
1725:
1726: int sys_acl_free_acl(SMB_ACL_T acl_d)
1727: {
1728: if (acl_d->freeaclp) {
1729: acl_free(acl_d->aclp);
1730: }
1731: acl_free(acl_d);
1732: return 0;
1733: }
1734:
1735: #elif defined(HAVE_AIX_ACLS) /*----------------------------------------------*/
1736:
1737: /* Donated by Medha Date, mdate@austin.ibm.com, for IBM */
1738:
1.1.1.3 ! misho 1739: int sys_acl_get_entry(SMB_ACL_T theacl, int entry_id, SMB_ACL_ENTRY_T *entry_p)
1.1 misho 1740: {
1741: struct acl_entry_link *link;
1742: struct new_acl_entry *entry;
1743: int keep_going;
1744:
1745: if (entry_id == SMB_ACL_FIRST_ENTRY)
1746: theacl->count = 0;
1747: else if (entry_id != SMB_ACL_NEXT_ENTRY) {
1748: errno = EINVAL;
1749: return -1;
1750: }
1751:
1.1.1.3 ! misho 1752: DEBUG(10, ("This is the count: %d\n", theacl->count));
1.1 misho 1753:
1754: /* Check if count was previously set to -1. *
1755: * If it was, that means we reached the end *
1756: * of the acl last time. */
1.1.1.3 ! misho 1757: if (theacl->count == -1)
! 1758: return 0;
1.1 misho 1759:
1760: link = theacl;
1761: /* To get to the next acl, traverse linked list until index *
1762: * of acl matches the count we are keeping. This count is *
1763: * incremented each time we return an acl entry. */
1764:
1.1.1.3 ! misho 1765: for (keep_going = 0; keep_going < theacl->count; keep_going++)
1.1 misho 1766: link = link->nextp;
1767:
1768: entry = *entry_p = link->entryp;
1769:
1.1.1.3 ! misho 1770: DEBUG(10, ("*entry_p is %d\n", entry_p));
! 1771: DEBUG(10, ("*entry_p->ace_access is %d\n", entry->ace_access));
1.1 misho 1772:
1773: /* Increment count */
1774: theacl->count++;
1.1.1.3 ! misho 1775: if (link->nextp == NULL)
1.1 misho 1776: theacl->count = -1;
1777:
1.1.1.3 ! misho 1778: return 1;
1.1 misho 1779: }
1780:
1.1.1.3 ! misho 1781: int sys_acl_get_tag_type(SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *tag_type_p)
1.1 misho 1782: {
1783: /* Initialize tag type */
1784:
1785: *tag_type_p = -1;
1.1.1.3 ! misho 1786: DEBUG(10, ("the tagtype is %d\n", entry_d->ace_id->id_type));
1.1 misho 1787:
1788: /* Depending on what type of entry we have, *
1789: * return tag type. */
1.1.1.3 ! misho 1790: switch (entry_d->ace_id->id_type) {
1.1 misho 1791: case ACEID_USER:
1792: *tag_type_p = SMB_ACL_USER;
1793: break;
1794: case ACEID_GROUP:
1795: *tag_type_p = SMB_ACL_GROUP;
1796: break;
1797:
1798: case SMB_ACL_USER_OBJ:
1799: case SMB_ACL_GROUP_OBJ:
1800: case SMB_ACL_OTHER:
1801: *tag_type_p = entry_d->ace_id->id_type;
1802: break;
1803:
1804: default:
1.1.1.3 ! misho 1805: return -1;
1.1 misho 1806: }
1807:
1.1.1.3 ! misho 1808: return 0;
1.1 misho 1809: }
1810:
1.1.1.3 ! misho 1811: SMB_ACL_T sys_acl_get_file(const char *path_p, SMB_ACL_TYPE_T type)
1.1 misho 1812: {
1813: struct acl *file_acl = (struct acl *)NULL;
1814: struct acl_entry *acl_entry;
1815: struct new_acl_entry *new_acl_entry;
1816: struct ace_id *idp;
1817: struct acl_entry_link *acl_entry_link;
1818: struct acl_entry_link *acl_entry_link_head;
1819: int i;
1820: int rc = 0;
1821:
1822: /* AIX has no DEFAULT */
1.1.1.3 ! misho 1823: if (type == SMB_ACL_TYPE_DEFAULT) {
1.1 misho 1824: #ifdef ENOTSUP
1825: errno = ENOTSUP;
1826: #else
1827: errno = ENOSYS;
1828: #endif
1829: return NULL;
1830: }
1831:
1832: /* Get the acl using statacl */
1833:
1.1.1.3 ! misho 1834: DEBUG(10, ("Entering sys_acl_get_file\n"));
! 1835: DEBUG(10, ("path_p is %s\n", path_p));
1.1 misho 1836:
1837: file_acl = (struct acl *)SMB_MALLOC(BUFSIZ);
1838:
1.1.1.3 ! misho 1839: if (file_acl == NULL) {
1.1 misho 1840: errno=ENOMEM;
1.1.1.3 ! misho 1841: DEBUG(0, ("Error in AIX sys_acl_get_file: %d\n", errno));
! 1842: return NULL;
1.1 misho 1843: }
1844:
1.1.1.3 ! misho 1845: memset(file_acl, 0, BUFSIZ);
1.1 misho 1846:
1.1.1.3 ! misho 1847: rc = statacl((char *)path_p, 0, file_acl, BUFSIZ);
! 1848: if (rc == -1) {
! 1849: DEBUG(0, ("statacl returned %d with errno %d\n", rc, errno));
1.1 misho 1850: SAFE_FREE(file_acl);
1.1.1.3 ! misho 1851: return NULL;
1.1 misho 1852: }
1853:
1.1.1.3 ! misho 1854: DEBUG(10, ("Got facl and returned it\n"));
1.1 misho 1855:
1856: /* Point to the first acl entry in the acl */
1857: acl_entry = file_acl->acl_ext;
1858:
1859: /* Begin setting up the head of the linked list *
1860: * that will be used for the storing the acl *
1861: * in a way that is useful for the posix_acls.c *
1862: * code. */
1863:
1864: acl_entry_link_head = acl_entry_link = sys_acl_init(0);
1.1.1.3 ! misho 1865: if (acl_entry_link_head == NULL)
! 1866: return NULL;
1.1 misho 1867:
1868: acl_entry_link->entryp = SMB_MALLOC_P(struct new_acl_entry);
1.1.1.3 ! misho 1869: if (acl_entry_link->entryp == NULL) {
1.1 misho 1870: SAFE_FREE(file_acl);
1871: errno = ENOMEM;
1.1.1.3 ! misho 1872: DEBUG(0, ("Error in AIX sys_acl_get_file is %d\n", errno));
! 1873: return NULL;
1.1 misho 1874: }
1875:
1.1.1.3 ! misho 1876: DEBUG(10, ("acl_entry is %d\n", acl_entry));
! 1877: DEBUG(10, ("acl_last(file_acl) id %d\n", acl_last(file_acl)));
1.1 misho 1878:
1879: /* Check if the extended acl bit is on. *
1880: * If it isn't, do not show the *
1881: * contents of the acl since AIX intends *
1882: * the extended info to remain unused */
1883:
1.1.1.3 ! misho 1884: if (file_acl->acl_mode & S_IXACL){
1.1 misho 1885: /* while we are not pointing to the very end */
1.1.1.3 ! misho 1886: while (acl_entry < acl_last(file_acl)) {
1.1 misho 1887: /* before we malloc anything, make sure this is */
1888: /* a valid acl entry and one that we want to map */
1889: idp = id_nxt(acl_entry->ace_id);
1.1.1.3 ! misho 1890: if ((acl_entry->ace_type == ACC_SPECIFY || acl_entry->ace_type == ACC_PERMIT)
! 1891: && idp != id_last(acl_entry)) {
! 1892: acl_entry = acl_nxt(acl_entry);
! 1893: continue;
1.1 misho 1894: }
1895:
1896: idp = acl_entry->ace_id;
1897:
1898: /* Check if this is the first entry in the linked list. *
1899: * The first entry needs to keep prevp pointing to NULL *
1900: * and already has entryp allocated. */
1901:
1.1.1.3 ! misho 1902: if (acl_entry_link_head->count != 0) {
1.1 misho 1903: acl_entry_link->nextp = SMB_MALLOC_P(struct acl_entry_link);
1904:
1.1.1.3 ! misho 1905: if (acl_entry_link->nextp == NULL) {
1.1 misho 1906: SAFE_FREE(file_acl);
1907: errno = ENOMEM;
1.1.1.3 ! misho 1908: DEBUG(0, ("Error in AIX sys_acl_get_file is %d\n", errno));
! 1909: return NULL;
1.1 misho 1910: }
1911:
1912: acl_entry_link->nextp->prevp = acl_entry_link;
1913: acl_entry_link = acl_entry_link->nextp;
1914: acl_entry_link->entryp = SMB_MALLOC_P(struct new_acl_entry);
1.1.1.3 ! misho 1915: if (acl_entry_link->entryp == NULL) {
1.1 misho 1916: SAFE_FREE(file_acl);
1917: errno = ENOMEM;
1.1.1.3 ! misho 1918: DEBUG(0, ("Error in AIX sys_acl_get_file is %d\n", errno));
! 1919: return NULL;
1.1 misho 1920: }
1921: acl_entry_link->nextp = NULL;
1922: }
1923:
1924: acl_entry_link->entryp->ace_len = acl_entry->ace_len;
1925:
1926: /* Don't really need this since all types are going *
1927: * to be specified but, it's better than leaving it 0 */
1928:
1929: acl_entry_link->entryp->ace_type = acl_entry->ace_type;
1930:
1931: acl_entry_link->entryp->ace_access = acl_entry->ace_access;
1932:
1.1.1.3 ! misho 1933: memcpy(acl_entry_link->entryp->ace_id, idp, sizeof (struct ace_id));
1.1 misho 1934:
1935: /* The access in the acl entries must be left shifted by *
1936: * three bites, because they will ultimately be compared *
1937: * to S_IRUSR, S_IWUSR, and S_IXUSR. */
1938:
1.1.1.3 ! misho 1939: switch (acl_entry->ace_type){
1.1 misho 1940: case ACC_PERMIT:
1941: case ACC_SPECIFY:
1942: acl_entry_link->entryp->ace_access = acl_entry->ace_access;
1943: acl_entry_link->entryp->ace_access <<= 6;
1944: acl_entry_link_head->count++;
1945: break;
1946: case ACC_DENY:
1947: /* Since there is no way to return a DENY acl entry *
1948: * change to PERMIT and then shift. */
1.1.1.3 ! misho 1949: DEBUG(10, ("acl_entry->ace_access is %d\n", acl_entry->ace_access));
1.1 misho 1950: acl_entry_link->entryp->ace_access = ~acl_entry->ace_access & 7;
1.1.1.3 ! misho 1951: DEBUG(10, ("acl_entry_link->entryp->ace_access is %d\n", acl_entry_link->entryp->ace_access));
1.1 misho 1952: acl_entry_link->entryp->ace_access <<= 6;
1953: acl_entry_link_head->count++;
1954: break;
1955: default:
1.1.1.3 ! misho 1956: return 0;
1.1 misho 1957: }
1958:
1.1.1.3 ! misho 1959: DEBUG(10, ("acl_entry = %d\n", acl_entry));
! 1960: DEBUG(10, ("The ace_type is %d\n", acl_entry->ace_type));
1.1 misho 1961:
1962: acl_entry = acl_nxt(acl_entry);
1963: }
1964: } /* end of if enabled */
1965:
1966: /* Since owner, group, other acl entries are not *
1967: * part of the acl entries in an acl, they must *
1968: * be dummied up to become part of the list. */
1969:
1.1.1.3 ! misho 1970: for (i = 1; i < 4; i++) {
! 1971: DEBUG(10, ("i is %d\n", i));
! 1972: if (acl_entry_link_head->count != 0) {
1.1 misho 1973: acl_entry_link->nextp = SMB_MALLOC_P(struct acl_entry_link);
1.1.1.3 ! misho 1974: if (acl_entry_link->nextp == NULL) {
1.1 misho 1975: SAFE_FREE(file_acl);
1976: errno = ENOMEM;
1.1.1.3 ! misho 1977: DEBUG(0, ("Error in AIX sys_acl_get_file is %d\n", errno));
! 1978: return NULL;
1.1 misho 1979: }
1980:
1981: acl_entry_link->nextp->prevp = acl_entry_link;
1982: acl_entry_link = acl_entry_link->nextp;
1983: acl_entry_link->entryp = SMB_MALLOC_P(struct new_acl_entry);
1.1.1.3 ! misho 1984: if (acl_entry_link->entryp == NULL) {
1.1 misho 1985: SAFE_FREE(file_acl);
1986: errno = ENOMEM;
1.1.1.3 ! misho 1987: DEBUG(0, ("Error in AIX sys_acl_get_file is %d\n", errno));
! 1988: return NULL;
1.1 misho 1989: }
1990: }
1991:
1992: acl_entry_link->nextp = NULL;
1993:
1994: new_acl_entry = acl_entry_link->entryp;
1995: idp = new_acl_entry->ace_id;
1996:
1.1.1.3 ! misho 1997: new_acl_entry->ace_len = sizeof (struct acl_entry);
1.1 misho 1998: new_acl_entry->ace_type = ACC_PERMIT;
1.1.1.3 ! misho 1999: idp->id_len = sizeof (struct ace_id);
! 2000: DEBUG(10, ("idp->id_len = %d\n", idp->id_len));
! 2001: memset(idp->id_data, 0, sizeof (uid_t));
1.1 misho 2002:
1.1.1.3 ! misho 2003: switch (i) {
1.1 misho 2004: case 2:
2005: new_acl_entry->ace_access = file_acl->g_access << 6;
2006: idp->id_type = SMB_ACL_GROUP_OBJ;
2007: break;
2008:
2009: case 3:
2010: new_acl_entry->ace_access = file_acl->o_access << 6;
2011: idp->id_type = SMB_ACL_OTHER;
2012: break;
2013:
2014: case 1:
2015: new_acl_entry->ace_access = file_acl->u_access << 6;
2016: idp->id_type = SMB_ACL_USER_OBJ;
2017: break;
2018:
2019: default:
1.1.1.3 ! misho 2020: return NULL;
1.1 misho 2021:
2022: }
2023:
2024: acl_entry_link_head->count++;
1.1.1.3 ! misho 2025: DEBUG(10, ("new_acl_entry->ace_access = %d\n", new_acl_entry->ace_access));
1.1 misho 2026: }
2027:
2028: acl_entry_link_head->count = 0;
2029: SAFE_FREE(file_acl);
2030:
1.1.1.3 ! misho 2031: return acl_entry_link_head;
1.1 misho 2032: }
2033:
2034: #if 0
2035: SMB_ACL_T sys_acl_get_fd(int fd)
2036: {
2037: struct acl *file_acl = (struct acl *)NULL;
2038: struct acl_entry *acl_entry;
2039: struct new_acl_entry *new_acl_entry;
2040: struct ace_id *idp;
2041: struct acl_entry_link *acl_entry_link;
2042: struct acl_entry_link *acl_entry_link_head;
2043: int i;
2044: int rc = 0;
2045:
2046: /* Get the acl using fstatacl */
2047:
1.1.1.3 ! misho 2048: DEBUG(10, ("Entering sys_acl_get_fd\n"));
! 2049: DEBUG(10, ("fd is %d\n", fd));
1.1 misho 2050: file_acl = (struct acl *)SMB_MALLOC(BUFSIZ);
2051:
1.1.1.3 ! misho 2052: if (file_acl == NULL) {
1.1 misho 2053: errno=ENOMEM;
1.1.1.3 ! misho 2054: DEBUG(0, ("Error in sys_acl_get_fd is %d\n", errno));
! 2055: return NULL;
1.1 misho 2056: }
2057:
1.1.1.3 ! misho 2058: memset(file_acl, 0, BUFSIZ);
1.1 misho 2059:
1.1.1.3 ! misho 2060: rc = fstatacl(fd, 0, file_acl, BUFSIZ);
! 2061: if (rc == -1) {
! 2062: DEBUG(0, ("The fstatacl call returned %d with errno %d\n", rc, errno));
1.1 misho 2063: SAFE_FREE(file_acl);
1.1.1.3 ! misho 2064: return NULL;
1.1 misho 2065: }
2066:
1.1.1.3 ! misho 2067: DEBUG(10, ("Got facl and returned it\n"));
1.1 misho 2068:
2069: /* Point to the first acl entry in the acl */
2070:
2071: acl_entry = file_acl->acl_ext;
2072: /* Begin setting up the head of the linked list *
2073: * that will be used for the storing the acl *
2074: * in a way that is useful for the posix_acls.c *
2075: * code. */
2076:
2077: acl_entry_link_head = acl_entry_link = sys_acl_init(0);
1.1.1.3 ! misho 2078: if (acl_entry_link_head == NULL){
1.1 misho 2079: SAFE_FREE(file_acl);
1.1.1.3 ! misho 2080: return NULL;
1.1 misho 2081: }
2082:
2083: acl_entry_link->entryp = SMB_MALLOC_P(struct new_acl_entry);
2084:
1.1.1.3 ! misho 2085: if (acl_entry_link->entryp == NULL) {
1.1 misho 2086: errno = ENOMEM;
1.1.1.3 ! misho 2087: DEBUG(0, ("Error in sys_acl_get_fd is %d\n", errno));
1.1 misho 2088: SAFE_FREE(file_acl);
1.1.1.3 ! misho 2089: return NULL;
1.1 misho 2090: }
2091:
1.1.1.3 ! misho 2092: DEBUG(10, ("acl_entry is %d\n", acl_entry));
! 2093: DEBUG(10, ("acl_last(file_acl) id %d\n", acl_last(file_acl)));
1.1 misho 2094:
2095: /* Check if the extended acl bit is on. *
2096: * If it isn't, do not show the *
2097: * contents of the acl since AIX intends *
2098: * the extended info to remain unused */
2099:
1.1.1.3 ! misho 2100: if (file_acl->acl_mode & S_IXACL){
1.1 misho 2101: /* while we are not pointing to the very end */
1.1.1.3 ! misho 2102: while (acl_entry < acl_last(file_acl)) {
1.1 misho 2103: /* before we malloc anything, make sure this is */
2104: /* a valid acl entry and one that we want to map */
2105:
2106: idp = id_nxt(acl_entry->ace_id);
1.1.1.3 ! misho 2107: if ((acl_entry->ace_type == ACC_SPECIFY ||
1.1 misho 2108: (acl_entry->ace_type == ACC_PERMIT)) && (idp != id_last(acl_entry))) {
2109: acl_entry = acl_nxt(acl_entry);
2110: continue;
2111: }
2112:
2113: idp = acl_entry->ace_id;
2114:
2115: /* Check if this is the first entry in the linked list. *
2116: * The first entry needs to keep prevp pointing to NULL *
2117: * and already has entryp allocated. */
2118:
1.1.1.3 ! misho 2119: if (acl_entry_link_head->count != 0) {
1.1 misho 2120: acl_entry_link->nextp = SMB_MALLOC_P(struct acl_entry_link);
1.1.1.3 ! misho 2121: if (acl_entry_link->nextp == NULL) {
1.1 misho 2122: errno = ENOMEM;
1.1.1.3 ! misho 2123: DEBUG(0, ("Error in sys_acl_get_fd is %d\n", errno));
1.1 misho 2124: SAFE_FREE(file_acl);
1.1.1.3 ! misho 2125: return NULL;
1.1 misho 2126: }
2127: acl_entry_link->nextp->prevp = acl_entry_link;
2128: acl_entry_link = acl_entry_link->nextp;
2129: acl_entry_link->entryp = SMB_MALLOC_P(struct new_acl_entry);
1.1.1.3 ! misho 2130: if (acl_entry_link->entryp == NULL) {
1.1 misho 2131: errno = ENOMEM;
1.1.1.3 ! misho 2132: DEBUG(0, ("Error in sys_acl_get_fd is %d\n", errno));
1.1 misho 2133: SAFE_FREE(file_acl);
1.1.1.3 ! misho 2134: return NULL;
1.1 misho 2135: }
2136:
2137: acl_entry_link->nextp = NULL;
2138: }
2139:
2140: acl_entry_link->entryp->ace_len = acl_entry->ace_len;
2141:
2142: /* Don't really need this since all types are going *
2143: * to be specified but, it's better than leaving it 0 */
2144:
2145: acl_entry_link->entryp->ace_type = acl_entry->ace_type;
2146: acl_entry_link->entryp->ace_access = acl_entry->ace_access;
2147:
1.1.1.3 ! misho 2148: memcpy(acl_entry_link->entryp->ace_id, idp, sizeof (struct ace_id));
1.1 misho 2149:
2150: /* The access in the acl entries must be left shifted by *
2151: * three bites, because they will ultimately be compared *
2152: * to S_IRUSR, S_IWUSR, and S_IXUSR. */
2153:
1.1.1.3 ! misho 2154: switch (acl_entry->ace_type){
1.1 misho 2155: case ACC_PERMIT:
2156: case ACC_SPECIFY:
2157: acl_entry_link->entryp->ace_access = acl_entry->ace_access;
2158: acl_entry_link->entryp->ace_access <<= 6;
2159: acl_entry_link_head->count++;
2160: break;
2161: case ACC_DENY:
2162: /* Since there is no way to return a DENY acl entry *
2163: * change to PERMIT and then shift. */
1.1.1.3 ! misho 2164: DEBUG(10, ("acl_entry->ace_access is %d\n", acl_entry->ace_access));
1.1 misho 2165: acl_entry_link->entryp->ace_access = ~acl_entry->ace_access & 7;
1.1.1.3 ! misho 2166: DEBUG(10, ("acl_entry_link->entryp->ace_access is %d\n", acl_entry_link->entryp->ace_access));
1.1 misho 2167: acl_entry_link->entryp->ace_access <<= 6;
2168: acl_entry_link_head->count++;
2169: break;
2170: default:
1.1.1.3 ! misho 2171: return 0;
1.1 misho 2172: }
2173:
1.1.1.3 ! misho 2174: DEBUG(10, ("acl_entry = %d\n", acl_entry));
! 2175: DEBUG(10, ("The ace_type is %d\n", acl_entry->ace_type));
1.1 misho 2176:
2177: acl_entry = acl_nxt(acl_entry);
2178: }
2179: } /* end of if enabled */
2180:
2181: /* Since owner, group, other acl entries are not *
2182: * part of the acl entries in an acl, they must *
2183: * be dummied up to become part of the list. */
2184:
1.1.1.3 ! misho 2185: for (i = 1; i < 4; i++) {
! 2186: DEBUG(10, ("i is %d\n", i));
! 2187: if (acl_entry_link_head->count != 0){
1.1 misho 2188: acl_entry_link->nextp = SMB_MALLOC_P(struct acl_entry_link);
1.1.1.3 ! misho 2189: if (acl_entry_link->nextp == NULL) {
1.1 misho 2190: errno = ENOMEM;
1.1.1.3 ! misho 2191: DEBUG(0, ("Error in sys_acl_get_fd is %d\n", errno));
1.1 misho 2192: SAFE_FREE(file_acl);
1.1.1.3 ! misho 2193: return NULL;
1.1 misho 2194: }
2195:
2196: acl_entry_link->nextp->prevp = acl_entry_link;
2197: acl_entry_link = acl_entry_link->nextp;
2198: acl_entry_link->entryp = SMB_MALLOC_P(struct new_acl_entry);
2199:
1.1.1.3 ! misho 2200: if (acl_entry_link->entryp == NULL) {
1.1 misho 2201: SAFE_FREE(file_acl);
2202: errno = ENOMEM;
1.1.1.3 ! misho 2203: DEBUG(0, ("Error in sys_acl_get_fd is %d\n", errno));
! 2204: return NULL;
1.1 misho 2205: }
2206: }
2207:
2208: acl_entry_link->nextp = NULL;
2209:
2210: new_acl_entry = acl_entry_link->entryp;
2211: idp = new_acl_entry->ace_id;
2212:
1.1.1.3 ! misho 2213: new_acl_entry->ace_len = sizeof (struct acl_entry);
1.1 misho 2214: new_acl_entry->ace_type = ACC_PERMIT;
1.1.1.3 ! misho 2215: idp->id_len = sizeof (struct ace_id);
! 2216: DEBUG(10, ("idp->id_len = %d\n", idp->id_len));
! 2217: memset(idp->id_data, 0, sizeof (uid_t));
1.1 misho 2218:
1.1.1.3 ! misho 2219: switch (i) {
1.1 misho 2220: case 2:
2221: new_acl_entry->ace_access = file_acl->g_access << 6;
2222: idp->id_type = SMB_ACL_GROUP_OBJ;
2223: break;
2224:
2225: case 3:
2226: new_acl_entry->ace_access = file_acl->o_access << 6;
2227: idp->id_type = SMB_ACL_OTHER;
2228: break;
2229:
2230: case 1:
2231: new_acl_entry->ace_access = file_acl->u_access << 6;
2232: idp->id_type = SMB_ACL_USER_OBJ;
2233: break;
2234:
2235: default:
1.1.1.3 ! misho 2236: return NULL;
1.1 misho 2237: }
2238:
2239: acl_entry_link_head->count++;
1.1.1.3 ! misho 2240: DEBUG(10, ("new_acl_entry->ace_access = %d\n", new_acl_entry->ace_access));
1.1 misho 2241: }
2242:
2243: acl_entry_link_head->count = 0;
2244: SAFE_FREE(file_acl);
2245:
1.1.1.3 ! misho 2246: return acl_entry_link_head;
1.1 misho 2247: }
2248: #endif
2249:
2250: int sys_acl_get_info(SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T *tag_type_p, uint32 *bits_p, id_t *u_g_id_p)
2251: {
2252: uint *permset;
2253:
2254: if (sys_acl_get_tag_type(entry, tag_type_p) != 0)
2255: return -1;
2256:
2257: if (*tag_type_p == SMB_ACL_USER || *tag_type_p == SMB_ACL_GROUP)
2258: memcpy(u_g_id_p, entry->ace_id->id_data, sizeof (id_t));
2259:
2260: permset = &entry->ace_access;
2261:
1.1.1.3 ! misho 2262: DEBUG(10, ("*permset is %d\n", *permset));
1.1 misho 2263: *bits_p = (*permset & S_IRUSR ? 4 : 0)
2264: | (*permset & S_IWUSR ? 2 : 0)
2265: | (*permset & S_IXUSR ? 1 : 0);
2266:
2267: return 0;
2268: }
2269:
1.1.1.3 ! misho 2270: SMB_ACL_T sys_acl_init(int count)
1.1 misho 2271: {
2272: struct acl_entry_link *theacl = NULL;
2273:
2274: if (count < 0) {
2275: errno = EINVAL;
2276: return NULL;
2277: }
2278:
1.1.1.3 ! misho 2279: DEBUG(10, ("Entering sys_acl_init\n"));
1.1 misho 2280:
2281: theacl = SMB_MALLOC_P(struct acl_entry_link);
1.1.1.3 ! misho 2282: if (theacl == NULL) {
1.1 misho 2283: errno = ENOMEM;
1.1.1.3 ! misho 2284: DEBUG(0, ("Error in sys_acl_init is %d\n", errno));
! 2285: return NULL;
1.1 misho 2286: }
2287:
2288: theacl->count = 0;
2289: theacl->nextp = NULL;
2290: theacl->prevp = NULL;
2291: theacl->entryp = NULL;
1.1.1.3 ! misho 2292: DEBUG(10, ("Exiting sys_acl_init\n"));
! 2293: return theacl;
1.1 misho 2294: }
2295:
1.1.1.3 ! misho 2296: int sys_acl_create_entry(SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry)
1.1 misho 2297: {
2298: struct acl_entry_link *theacl;
2299: struct acl_entry_link *acl_entryp;
2300: struct acl_entry_link *temp_entry;
2301: int counting;
2302:
1.1.1.3 ! misho 2303: DEBUG(10, ("Entering the sys_acl_create_entry\n"));
1.1 misho 2304:
2305: theacl = acl_entryp = *pacl;
2306:
2307: /* Get to the end of the acl before adding entry */
2308:
1.1.1.3 ! misho 2309: for (counting = 0; counting < theacl->count; counting++){
! 2310: DEBUG(10, ("The acl_entryp is %d\n", acl_entryp));
1.1 misho 2311: temp_entry = acl_entryp;
2312: acl_entryp = acl_entryp->nextp;
2313: }
2314:
1.1.1.3 ! misho 2315: if (theacl->count != 0){
1.1 misho 2316: temp_entry->nextp = acl_entryp = SMB_MALLOC_P(struct acl_entry_link);
1.1.1.3 ! misho 2317: if (acl_entryp == NULL) {
1.1 misho 2318: errno = ENOMEM;
1.1.1.3 ! misho 2319: DEBUG(0, ("Error in sys_acl_create_entry is %d\n", errno));
! 2320: return -1;
1.1 misho 2321: }
2322:
1.1.1.3 ! misho 2323: DEBUG(10, ("The acl_entryp is %d\n", acl_entryp));
1.1 misho 2324: acl_entryp->prevp = temp_entry;
1.1.1.3 ! misho 2325: DEBUG(10, ("The acl_entryp->prevp is %d\n", acl_entryp->prevp));
1.1 misho 2326: }
2327:
2328: *pentry = acl_entryp->entryp = SMB_MALLOC_P(struct new_acl_entry);
1.1.1.3 ! misho 2329: if (*pentry == NULL) {
1.1 misho 2330: errno = ENOMEM;
1.1.1.3 ! misho 2331: DEBUG(0, ("Error in sys_acl_create_entry is %d\n", errno));
! 2332: return -1;
1.1 misho 2333: }
2334:
1.1.1.3 ! misho 2335: memset(*pentry, 0, sizeof (struct new_acl_entry));
! 2336: acl_entryp->entryp->ace_len = sizeof (struct acl_entry);
1.1 misho 2337: acl_entryp->entryp->ace_type = ACC_PERMIT;
1.1.1.3 ! misho 2338: acl_entryp->entryp->ace_id->id_len = sizeof (struct ace_id);
1.1 misho 2339: acl_entryp->nextp = NULL;
2340: theacl->count++;
1.1.1.3 ! misho 2341: DEBUG(10, ("Exiting sys_acl_create_entry\n"));
! 2342: return 0;
1.1 misho 2343: }
2344:
2345: int sys_acl_set_info(SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tag_type, uint32 bits, id_t u_g_id)
2346: {
2347: entry->ace_id->id_type = tag_type;
1.1.1.3 ! misho 2348: DEBUG(10, ("The tag type is %d\n", entry->ace_id->id_type));
1.1 misho 2349:
2350: if (tag_type == SMB_ACL_USER || tag_type == SMB_ACL_GROUP)
2351: memcpy(entry->ace_id->id_data, &u_g_id, sizeof (id_t));
2352:
2353: entry->ace_access = bits;
1.1.1.3 ! misho 2354: DEBUG(10, ("entry->ace_access = %d\n", entry->ace_access));
1.1 misho 2355:
2356: return 0;
2357: }
2358:
2359: int sys_acl_set_access_bits(SMB_ACL_ENTRY_T entry, uint32 bits)
2360: {
1.1.1.3 ! misho 2361: DEBUG(10, ("Starting AIX sys_acl_set_permset\n"));
1.1 misho 2362: entry->ace_access = bits;
1.1.1.3 ! misho 2363: DEBUG(10, ("entry->ace_access = %d\n", entry->ace_access));
! 2364: DEBUG(10, ("Ending AIX sys_acl_set_permset\n"));
! 2365: return 0;
1.1 misho 2366: }
2367:
1.1.1.3 ! misho 2368: int sys_acl_valid(SMB_ACL_T theacl)
1.1 misho 2369: {
2370: int user_obj = 0;
2371: int group_obj = 0;
2372: int other_obj = 0;
2373: struct acl_entry_link *acl_entry;
2374:
1.1.1.3 ! misho 2375: for (acl_entry=theacl; acl_entry != NULL; acl_entry = acl_entry->nextp) {
1.1 misho 2376: user_obj += (acl_entry->entryp->ace_id->id_type == SMB_ACL_USER_OBJ);
2377: group_obj += (acl_entry->entryp->ace_id->id_type == SMB_ACL_GROUP_OBJ);
2378: other_obj += (acl_entry->entryp->ace_id->id_type == SMB_ACL_OTHER);
2379: }
2380:
1.1.1.3 ! misho 2381: DEBUG(10, ("user_obj=%d, group_obj=%d, other_obj=%d\n", user_obj, group_obj, other_obj));
1.1 misho 2382:
1.1.1.3 ! misho 2383: if (user_obj != 1 || group_obj != 1 || other_obj != 1)
! 2384: return -1;
1.1 misho 2385:
1.1.1.3 ! misho 2386: return 0;
1.1 misho 2387: }
2388:
1.1.1.3 ! misho 2389: int sys_acl_set_file(const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl)
1.1 misho 2390: {
2391: struct acl_entry_link *acl_entry_link = NULL;
2392: struct acl *file_acl = NULL;
2393: struct acl *file_acl_temp = NULL;
2394: struct acl_entry *acl_entry = NULL;
2395: struct ace_id *ace_id = NULL;
2396: uint id_type;
2397: uint user_id;
2398: uint acl_length;
2399: uint rc;
2400:
1.1.1.3 ! misho 2401: DEBUG(10, ("Entering sys_acl_set_file\n"));
! 2402: DEBUG(10, ("File name is %s\n", name));
1.1 misho 2403:
2404: /* AIX has no default ACL */
1.1.1.3 ! misho 2405: if (acltype == SMB_ACL_TYPE_DEFAULT)
! 2406: return 0;
1.1 misho 2407:
2408: acl_length = BUFSIZ;
2409: file_acl = (struct acl *)SMB_MALLOC(BUFSIZ);
2410:
1.1.1.3 ! misho 2411: if (file_acl == NULL) {
1.1 misho 2412: errno = ENOMEM;
1.1.1.3 ! misho 2413: DEBUG(0, ("Error in sys_acl_set_file is %d\n", errno));
! 2414: return -1;
1.1 misho 2415: }
2416:
1.1.1.3 ! misho 2417: memset(file_acl, 0, BUFSIZ);
1.1 misho 2418:
2419: file_acl->acl_len = ACL_SIZ;
2420: file_acl->acl_mode = S_IXACL;
2421:
1.1.1.3 ! misho 2422: for (acl_entry_link=theacl; acl_entry_link != NULL; acl_entry_link = acl_entry_link->nextp) {
1.1 misho 2423: acl_entry_link->entryp->ace_access >>= 6;
2424: id_type = acl_entry_link->entryp->ace_id->id_type;
2425:
1.1.1.3 ! misho 2426: switch (id_type) {
1.1 misho 2427: case SMB_ACL_USER_OBJ:
2428: file_acl->u_access = acl_entry_link->entryp->ace_access;
2429: continue;
2430: case SMB_ACL_GROUP_OBJ:
2431: file_acl->g_access = acl_entry_link->entryp->ace_access;
2432: continue;
2433: case SMB_ACL_OTHER:
2434: file_acl->o_access = acl_entry_link->entryp->ace_access;
2435: continue;
2436: case SMB_ACL_MASK:
2437: continue;
2438: }
2439:
1.1.1.3 ! misho 2440: if ((file_acl->acl_len + sizeof (struct acl_entry)) > acl_length) {
! 2441: acl_length += sizeof (struct acl_entry);
1.1 misho 2442: file_acl_temp = (struct acl *)SMB_MALLOC(acl_length);
1.1.1.3 ! misho 2443: if (file_acl_temp == NULL) {
1.1 misho 2444: SAFE_FREE(file_acl);
2445: errno = ENOMEM;
1.1.1.3 ! misho 2446: DEBUG(0, ("Error in sys_acl_set_file is %d\n", errno));
! 2447: return -1;
1.1 misho 2448: }
2449:
1.1.1.3 ! misho 2450: memcpy(file_acl_temp, file_acl, file_acl->acl_len);
1.1 misho 2451: SAFE_FREE(file_acl);
2452: file_acl = file_acl_temp;
2453: }
2454:
2455: acl_entry = (struct acl_entry *)((char *)file_acl + file_acl->acl_len);
1.1.1.3 ! misho 2456: file_acl->acl_len += sizeof (struct acl_entry);
1.1 misho 2457: acl_entry->ace_len = acl_entry_link->entryp->ace_len;
2458: acl_entry->ace_access = acl_entry_link->entryp->ace_access;
2459:
2460: /* In order to use this, we'll need to wait until we can get denies */
1.1.1.3 ! misho 2461: /* if (!acl_entry->ace_access && acl_entry->ace_type == ACC_PERMIT)
! 2462: acl_entry->ace_type = ACC_SPECIFY; */
1.1 misho 2463:
2464: acl_entry->ace_type = ACC_SPECIFY;
2465:
2466: ace_id = acl_entry->ace_id;
2467:
2468: ace_id->id_type = acl_entry_link->entryp->ace_id->id_type;
1.1.1.3 ! misho 2469: DEBUG(10, ("The id type is %d\n", ace_id->id_type));
1.1 misho 2470: ace_id->id_len = acl_entry_link->entryp->ace_id->id_len;
1.1.1.3 ! misho 2471: memcpy(&user_id, acl_entry_link->entryp->ace_id->id_data, sizeof (uid_t));
! 2472: memcpy(acl_entry->ace_id->id_data, &user_id, sizeof (uid_t));
1.1 misho 2473: }
2474:
1.1.1.3 ! misho 2475: rc = chacl((char*)name, file_acl, file_acl->acl_len);
! 2476: DEBUG(10, ("errno is %d\n", errno));
! 2477: DEBUG(10, ("return code is %d\n", rc));
1.1 misho 2478: SAFE_FREE(file_acl);
1.1.1.3 ! misho 2479: DEBUG(10, ("Exiting the sys_acl_set_file\n"));
! 2480: return rc;
1.1 misho 2481: }
2482:
2483: #if 0
1.1.1.3 ! misho 2484: int sys_acl_set_fd(int fd, SMB_ACL_T theacl)
1.1 misho 2485: {
2486: struct acl_entry_link *acl_entry_link = NULL;
2487: struct acl *file_acl = NULL;
2488: struct acl *file_acl_temp = NULL;
2489: struct acl_entry *acl_entry = NULL;
2490: struct ace_id *ace_id = NULL;
2491: uint id_type;
2492: uint user_id;
2493: uint acl_length;
2494: uint rc;
2495:
1.1.1.3 ! misho 2496: DEBUG(10, ("Entering sys_acl_set_fd\n"));
1.1 misho 2497: acl_length = BUFSIZ;
2498: file_acl = (struct acl *)SMB_MALLOC(BUFSIZ);
2499:
1.1.1.3 ! misho 2500: if (file_acl == NULL) {
1.1 misho 2501: errno = ENOMEM;
1.1.1.3 ! misho 2502: DEBUG(0, ("Error in sys_acl_set_fd is %d\n", errno));
! 2503: return -1;
1.1 misho 2504: }
2505:
1.1.1.3 ! misho 2506: memset(file_acl, 0, BUFSIZ);
1.1 misho 2507:
2508: file_acl->acl_len = ACL_SIZ;
2509: file_acl->acl_mode = S_IXACL;
2510:
1.1.1.3 ! misho 2511: for (acl_entry_link=theacl; acl_entry_link != NULL; acl_entry_link = acl_entry_link->nextp) {
1.1 misho 2512: acl_entry_link->entryp->ace_access >>= 6;
2513: id_type = acl_entry_link->entryp->ace_id->id_type;
1.1.1.3 ! misho 2514: DEBUG(10, ("The id_type is %d\n", id_type));
1.1 misho 2515:
1.1.1.3 ! misho 2516: switch (id_type) {
1.1 misho 2517: case SMB_ACL_USER_OBJ:
2518: file_acl->u_access = acl_entry_link->entryp->ace_access;
2519: continue;
2520: case SMB_ACL_GROUP_OBJ:
2521: file_acl->g_access = acl_entry_link->entryp->ace_access;
2522: continue;
2523: case SMB_ACL_OTHER:
2524: file_acl->o_access = acl_entry_link->entryp->ace_access;
2525: continue;
2526: case SMB_ACL_MASK:
2527: continue;
2528: }
2529:
1.1.1.3 ! misho 2530: if ((file_acl->acl_len + sizeof (struct acl_entry)) > acl_length) {
! 2531: acl_length += sizeof (struct acl_entry);
1.1 misho 2532: file_acl_temp = (struct acl *)SMB_MALLOC(acl_length);
1.1.1.3 ! misho 2533: if (file_acl_temp == NULL) {
1.1 misho 2534: SAFE_FREE(file_acl);
2535: errno = ENOMEM;
1.1.1.3 ! misho 2536: DEBUG(0, ("Error in sys_acl_set_fd is %d\n", errno));
! 2537: return -1;
1.1 misho 2538: }
2539:
1.1.1.3 ! misho 2540: memcpy(file_acl_temp, file_acl, file_acl->acl_len);
1.1 misho 2541: SAFE_FREE(file_acl);
2542: file_acl = file_acl_temp;
2543: }
2544:
2545: acl_entry = (struct acl_entry *)((char *)file_acl + file_acl->acl_len);
1.1.1.3 ! misho 2546: file_acl->acl_len += sizeof (struct acl_entry);
1.1 misho 2547: acl_entry->ace_len = acl_entry_link->entryp->ace_len;
2548: acl_entry->ace_access = acl_entry_link->entryp->ace_access;
2549:
2550: /* In order to use this, we'll need to wait until we can get denies */
1.1.1.3 ! misho 2551: /* if (!acl_entry->ace_access && acl_entry->ace_type == ACC_PERMIT)
1.1 misho 2552: acl_entry->ace_type = ACC_SPECIFY; */
2553:
2554: acl_entry->ace_type = ACC_SPECIFY;
2555:
2556: ace_id = acl_entry->ace_id;
2557:
2558: ace_id->id_type = acl_entry_link->entryp->ace_id->id_type;
1.1.1.3 ! misho 2559: DEBUG(10, ("The id type is %d\n", ace_id->id_type));
1.1 misho 2560: ace_id->id_len = acl_entry_link->entryp->ace_id->id_len;
1.1.1.3 ! misho 2561: memcpy(&user_id, acl_entry_link->entryp->ace_id->id_data, sizeof (uid_t));
! 2562: memcpy(ace_id->id_data, &user_id, sizeof (uid_t));
1.1 misho 2563: }
2564:
1.1.1.3 ! misho 2565: rc = fchacl(fd, file_acl, file_acl->acl_len);
! 2566: DEBUG(10, ("errno is %d\n", errno));
! 2567: DEBUG(10, ("return code is %d\n", rc));
1.1 misho 2568: SAFE_FREE(file_acl);
1.1.1.3 ! misho 2569: DEBUG(10, ("Exiting sys_acl_set_fd\n"));
! 2570: return rc;
1.1 misho 2571: }
2572: #endif
2573:
2574: int sys_acl_delete_def_file(UNUSED(const char *name))
2575: {
2576: /* AIX has no default ACL */
2577: return 0;
2578: }
2579:
2580: int sys_acl_free_acl(SMB_ACL_T posix_acl)
2581: {
2582: struct acl_entry_link *acl_entry_link;
2583:
1.1.1.3 ! misho 2584: for (acl_entry_link = posix_acl->nextp; acl_entry_link->nextp != NULL; acl_entry_link = acl_entry_link->nextp) {
1.1 misho 2585: SAFE_FREE(acl_entry_link->prevp->entryp);
2586: SAFE_FREE(acl_entry_link->prevp);
2587: }
2588:
2589: SAFE_FREE(acl_entry_link->prevp->entryp);
2590: SAFE_FREE(acl_entry_link->prevp);
2591: SAFE_FREE(acl_entry_link->entryp);
2592: SAFE_FREE(acl_entry_link);
2593:
1.1.1.3 ! misho 2594: return 0;
1.1 misho 2595: }
2596:
2597: #elif defined(HAVE_OSX_ACLS) /*----------------------------------------------*/
2598:
2599: #define OSX_BROKEN_GETENTRY /* returns 0 instead of 1 */
2600:
2601: #include <membership.h>
2602:
2603: int sys_acl_get_entry(SMB_ACL_T the_acl, int entry_id, SMB_ACL_ENTRY_T *entry_p)
2604: {
2605: int ret = acl_get_entry(the_acl, entry_id, entry_p);
2606: #ifdef OSX_BROKEN_GETENTRY
2607: if (ret == 0)
2608: ret = 1;
2609: else if (ret == -1 && errno == 22)
2610: ret = 0;
2611: #endif
2612: return ret;
2613: }
2614:
2615: SMB_ACL_T sys_acl_get_file(const char *path_p, SMB_ACL_TYPE_T type)
2616: {
2617: if (type == ACL_TYPE_DEFAULT) {
2618: errno = ENOTSUP;
2619: return NULL;
2620: }
2621: errno = 0;
2622: return acl_get_file(path_p, type);
2623: }
2624:
2625: #if 0
2626: SMB_ACL_T sys_acl_get_fd(int fd)
2627: {
2628: return acl_get_fd(fd);
2629: }
2630: #endif
2631:
2632: int sys_acl_get_info(SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T *tag_type_p, uint32 *bits_p, id_t *u_g_id_p)
2633: {
2634: uuid_t *uup;
2635: acl_tag_t tag;
2636: acl_flagset_t flagset;
2637: acl_permset_t permset;
2638: uint32 bits, fb, bb, pb;
2639: int id_type = -1;
2640: int rc;
2641:
2642: if (acl_get_tag_type(entry, &tag) != 0
2643: || acl_get_flagset_np(entry, &flagset) != 0
2644: || acl_get_permset(entry, &permset) != 0
2645: || (uup = acl_get_qualifier(entry)) == NULL)
2646: return -1;
2647:
2648: rc = mbr_uuid_to_id(*uup, u_g_id_p, &id_type);
2649: acl_free(uup);
2650: if (rc != 0)
2651: return rc;
2652:
2653: if (id_type == ID_TYPE_UID)
2654: *tag_type_p = SMB_ACL_USER;
2655: else
2656: *tag_type_p = SMB_ACL_GROUP;
2657:
2658: bits = tag == ACL_EXTENDED_ALLOW ? 1 : 0;
2659:
2660: for (fb = (1u<<4), bb = (1u<<1); bb < (1u<<12); fb *= 2, bb *= 2) {
2661: if (acl_get_flag_np(flagset, fb) == 1)
2662: bits |= bb;
2663: }
2664:
2665: for (pb = (1u<<1), bb = (1u<<12); bb < (1u<<25); pb *= 2, bb *= 2) {
2666: if (acl_get_perm_np(permset, pb) == 1)
2667: bits |= bb;
2668: }
2669:
2670: *bits_p = bits;
2671:
2672: return 0;
2673: }
2674:
2675: SMB_ACL_T sys_acl_init(int count)
2676: {
2677: return acl_init(count);
2678: }
2679:
2680: int sys_acl_create_entry(SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry)
2681: {
2682: return acl_create_entry(pacl, pentry);
2683: }
2684:
2685: int sys_acl_set_info(SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tag_type, uint32 bits, id_t u_g_id)
2686: {
2687: acl_flagset_t flagset;
2688: acl_permset_t permset;
2689: uint32 fb, bb, pb;
2690: int is_user = tag_type == SMB_ACL_USER;
2691: uuid_t uu;
2692: int rc;
2693:
2694: tag_type = bits & 1 ? ACL_EXTENDED_ALLOW : ACL_EXTENDED_DENY;
2695:
2696: if (acl_get_flagset_np(entry, &flagset) != 0
2697: || acl_get_permset(entry, &permset) != 0)
2698: return -1;
2699:
2700: acl_clear_flags_np(flagset);
2701: acl_clear_perms(permset);
2702:
2703: for (fb = (1u<<4), bb = (1u<<1); bb < (1u<<12); fb *= 2, bb *= 2) {
2704: if (bits & bb)
2705: acl_add_flag_np(flagset, fb);
2706: }
2707:
2708: for (pb = (1u<<1), bb = (1u<<12); bb < (1u<<25); pb *= 2, bb *= 2) {
2709: if (bits & bb)
2710: acl_add_perm(permset, pb);
2711: }
2712:
2713: if (is_user)
2714: rc = mbr_uid_to_uuid(u_g_id, uu);
2715: else
2716: rc = mbr_gid_to_uuid(u_g_id, uu);
2717: if (rc != 0)
2718: return rc;
2719:
2720: if (acl_set_tag_type(entry, tag_type) != 0
2721: || acl_set_qualifier(entry, &uu) != 0
2722: || acl_set_permset(entry, permset) != 0
2723: || acl_set_flagset_np(entry, flagset) != 0)
2724: return -1;
2725:
2726: return 0;
2727: }
2728:
2729: #if 0
2730: int sys_acl_set_access_bits(SMB_ACL_ENTRY_T entry, uint32 bits)
2731: {
2732: return -1; /* Not needed for OS X. */
2733: }
2734: #endif
2735:
2736: int sys_acl_valid(SMB_ACL_T theacl)
2737: {
2738: return acl_valid(theacl);
2739: }
2740:
2741: int sys_acl_set_file(const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl)
2742: {
2743: return acl_set_file(name, acltype, theacl);
2744: }
2745:
2746: #if 0
2747: int sys_acl_set_fd(int fd, SMB_ACL_T theacl)
2748: {
2749: return acl_set_fd(fd, theacl);
2750: }
2751: #endif
2752:
2753: int sys_acl_delete_def_file(const char *name)
2754: {
2755: return acl_delete_def_file(name);
2756: }
2757:
2758: int sys_acl_free_acl(SMB_ACL_T the_acl)
2759: {
2760: return acl_free(the_acl);
2761: }
2762:
2763: #else /* No ACLs. */
2764:
2765: #error No ACL functions defined for this platform!
2766:
2767: #endif
2768:
2769: /************************************************************************
2770: Deliberately outside the ACL defines. Return 1 if this is a "no acls"
2771: errno, 0 if not.
2772: ************************************************************************/
2773:
2774: int no_acl_syscall_error(int err)
2775: {
2776: #ifdef HAVE_OSX_ACLS
2777: if (err == ENOENT)
2778: return 1; /* Weird problem with directory ACLs. */
2779: #endif
2780: #if defined(ENOSYS)
2781: if (err == ENOSYS) {
2782: return 1;
2783: }
2784: #endif
2785: #if defined(ENOTSUP)
2786: if (err == ENOTSUP) {
2787: return 1;
2788: }
2789: #endif
2790: if (err == EINVAL) {
2791: /* If the type of SMB_ACL_TYPE_ACCESS or SMB_ACL_TYPE_DEFAULT
2792: * isn't valid, then the ACLs must be non-POSIX. */
2793: return 1;
2794: }
2795: return 0;
2796: }
2797:
2798: #endif /* SUPPORT_ACLS */
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