Commit | Line | Data |
---|---|---|
4fd842f9 WD |
1 | /* |
2 | * Unix SMB/CIFS implementation. | |
3 | * Based on the Samba ACL support code. | |
4 | * Copyright (C) Jeremy Allison 2000. | |
5 | * | |
6 | * The permission functions have been changed to get/set all bits via | |
7 | * one call. Some functions that rsync doesn't need were also removed. | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
8e41b68e WD |
10 | * it under the terms of the GNU General Public License as published by |
11 | * the Free Software Foundation; either version 3 of the License, or | |
12 | * (at your option) any later version. | |
4fd842f9 WD |
13 | * |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * with this program; if not, visit the http://fsf.org website. | |
21 | */ | |
1c3344a1 WD |
22 | |
23 | #include "rsync.h" | |
a30dcbc0 | 24 | #include "sysacls.h" |
1c3344a1 WD |
25 | |
26 | #ifdef SUPPORT_ACLS | |
27 | ||
1c3344a1 WD |
28 | #ifdef DEBUG |
29 | #undef DEBUG | |
30 | #endif | |
31 | #define DEBUG(x,y) | |
32 | ||
33 | void SAFE_FREE(void *mem) | |
34 | { | |
35 | if (mem) | |
36 | free(mem); | |
37 | } | |
38 | ||
1c3344a1 WD |
39 | /* |
40 | This file wraps all differing system ACL interfaces into a consistent | |
41 | one based on the POSIX interface. It also returns the correct errors | |
42 | for older UNIX systems that don't support ACLs. | |
43 | ||
44 | The interfaces that each ACL implementation must support are as follows : | |
45 | ||
46 | int sys_acl_get_entry( SMB_ACL_T theacl, int entry_id, SMB_ACL_ENTRY_T *entry_p) | |
47 | int sys_acl_get_tag_type( SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *tag_type_p) | |
a30dcbc0 | 48 | int sys_acl_get_access_bits(SMB_ACL_ENTRY_T entry_d, uint32 *bits) |
1c3344a1 WD |
49 | void *sys_acl_get_qualifier( SMB_ACL_ENTRY_T entry_d) |
50 | SMB_ACL_T sys_acl_get_file( const char *path_p, SMB_ACL_TYPE_T type) | |
51 | SMB_ACL_T sys_acl_get_fd(int fd) | |
1c3344a1 WD |
52 | SMB_ACL_T sys_acl_init( int count) |
53 | int sys_acl_create_entry( SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry) | |
54 | int sys_acl_set_tag_type( SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tagtype) | |
55 | int sys_acl_set_qualifier( SMB_ACL_ENTRY_T entry, void *qual) | |
a30dcbc0 | 56 | int sys_acl_set_access_bits(SMB_ACL_ENTRY_T entry, uint32 bits) |
1c3344a1 WD |
57 | int sys_acl_valid( SMB_ACL_T theacl ) |
58 | int sys_acl_set_file( const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl) | |
59 | int sys_acl_set_fd( int fd, SMB_ACL_T theacl) | |
60 | int sys_acl_delete_def_file(const char *path) | |
61 | ||
1c3344a1 WD |
62 | The generic POSIX free is the following call. We split this into |
63 | several different free functions as we may need to add tag info | |
64 | to structures when emulating the POSIX interface. | |
65 | ||
66 | int sys_acl_free( void *obj_p) | |
67 | ||
68 | The calls we actually use are : | |
69 | ||
1c3344a1 WD |
70 | int sys_acl_free_acl(SMB_ACL_T posix_acl) |
71 | int sys_acl_free_qualifier(void *qualifier, SMB_ACL_TAG_T tagtype) | |
72 | ||
73 | */ | |
74 | ||
75 | #if defined(HAVE_POSIX_ACLS) | |
76 | ||
77 | /* Identity mapping - easy. */ | |
78 | ||
79 | int sys_acl_get_entry( SMB_ACL_T the_acl, int entry_id, SMB_ACL_ENTRY_T *entry_p) | |
80 | { | |
81 | return acl_get_entry( the_acl, entry_id, entry_p); | |
82 | } | |
83 | ||
84 | int sys_acl_get_tag_type( SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *tag_type_p) | |
85 | { | |
86 | return acl_get_tag_type( entry_d, tag_type_p); | |
87 | } | |
88 | ||
1c3344a1 WD |
89 | void *sys_acl_get_qualifier( SMB_ACL_ENTRY_T entry_d) |
90 | { | |
91 | return acl_get_qualifier( entry_d); | |
92 | } | |
93 | ||
94 | SMB_ACL_T sys_acl_get_file( const char *path_p, SMB_ACL_TYPE_T type) | |
95 | { | |
96 | return acl_get_file( path_p, type); | |
97 | } | |
98 | ||
a30dcbc0 | 99 | #if 0 |
1c3344a1 WD |
100 | SMB_ACL_T sys_acl_get_fd(int fd) |
101 | { | |
102 | return acl_get_fd(fd); | |
103 | } | |
a30dcbc0 | 104 | #endif |
1c3344a1 | 105 | |
1c3344a1 | 106 | #if defined(HAVE_ACL_GET_PERM_NP) |
a30dcbc0 | 107 | #define acl_get_perm(p, b) acl_get_perm_np(p, b) |
1c3344a1 | 108 | #endif |
1c3344a1 | 109 | |
a30dcbc0 | 110 | int sys_acl_get_access_bits(SMB_ACL_ENTRY_T entry_d, uint32 *bits) |
1c3344a1 | 111 | { |
a30dcbc0 WD |
112 | SMB_ACL_PERMSET_T permset; |
113 | int rc; | |
114 | if ((rc = acl_get_permset(entry_d, &permset)) != 0) | |
115 | return rc; | |
116 | *bits = (acl_get_perm(permset, ACL_READ) ? 4 : 0) | |
117 | | (acl_get_perm(permset, ACL_WRITE) ? 2 : 0) | |
118 | | (acl_get_perm(permset, ACL_EXECUTE) ? 1 : 0); | |
119 | return 0; | |
1c3344a1 WD |
120 | } |
121 | ||
122 | SMB_ACL_T sys_acl_init( int count) | |
123 | { | |
124 | return acl_init(count); | |
125 | } | |
126 | ||
127 | int sys_acl_create_entry( SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry) | |
128 | { | |
129 | return acl_create_entry(pacl, pentry); | |
130 | } | |
131 | ||
132 | int sys_acl_set_tag_type( SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tagtype) | |
133 | { | |
134 | return acl_set_tag_type(entry, tagtype); | |
135 | } | |
136 | ||
137 | int sys_acl_set_qualifier( SMB_ACL_ENTRY_T entry, void *qual) | |
138 | { | |
139 | return acl_set_qualifier(entry, qual); | |
140 | } | |
141 | ||
a30dcbc0 | 142 | int sys_acl_set_access_bits(SMB_ACL_ENTRY_T entry, uint32 bits) |
1c3344a1 | 143 | { |
a30dcbc0 WD |
144 | SMB_ACL_PERMSET_T permset; |
145 | int rc; | |
146 | if ((rc = acl_get_permset(entry, &permset)) != 0) | |
147 | return rc; | |
148 | acl_clear_perms(permset); | |
149 | if (bits & 4) | |
150 | acl_add_perm(permset, ACL_READ); | |
151 | if (bits & 2) | |
152 | acl_add_perm(permset, ACL_WRITE); | |
153 | if (bits & 1) | |
154 | acl_add_perm(permset, ACL_EXECUTE); | |
1c3344a1 WD |
155 | return acl_set_permset(entry, permset); |
156 | } | |
157 | ||
158 | int sys_acl_valid( SMB_ACL_T theacl ) | |
159 | { | |
160 | return acl_valid(theacl); | |
161 | } | |
162 | ||
163 | int sys_acl_set_file(const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl) | |
164 | { | |
165 | return acl_set_file(name, acltype, theacl); | |
166 | } | |
167 | ||
168 | int sys_acl_set_fd( int fd, SMB_ACL_T theacl) | |
169 | { | |
170 | return acl_set_fd(fd, theacl); | |
171 | } | |
172 | ||
173 | int sys_acl_delete_def_file(const char *name) | |
174 | { | |
175 | return acl_delete_def_file(name); | |
176 | } | |
177 | ||
1c3344a1 WD |
178 | int sys_acl_free_acl(SMB_ACL_T the_acl) |
179 | { | |
180 | return acl_free(the_acl); | |
181 | } | |
182 | ||
183 | int sys_acl_free_qualifier(void *qual, UNUSED(SMB_ACL_TAG_T tagtype)) | |
184 | { | |
185 | return acl_free(qual); | |
186 | } | |
187 | ||
188 | #elif defined(HAVE_TRU64_ACLS) | |
189 | /* | |
190 | * The interface to DEC/Compaq Tru64 UNIX ACLs | |
191 | * is based on Draft 13 of the POSIX spec which is | |
192 | * slightly different from the Draft 16 interface. | |
193 | * | |
194 | * Also, some of the permset manipulation functions | |
195 | * such as acl_clear_perm() and acl_add_perm() appear | |
196 | * to be broken on Tru64 so we have to manipulate | |
197 | * the permission bits in the permset directly. | |
198 | */ | |
199 | int sys_acl_get_entry( SMB_ACL_T the_acl, int entry_id, SMB_ACL_ENTRY_T *entry_p) | |
200 | { | |
201 | SMB_ACL_ENTRY_T entry; | |
202 | ||
203 | if (entry_id == SMB_ACL_FIRST_ENTRY && acl_first_entry(the_acl) != 0) { | |
204 | return -1; | |
205 | } | |
206 | ||
207 | errno = 0; | |
208 | if ((entry = acl_get_entry(the_acl)) != NULL) { | |
209 | *entry_p = entry; | |
210 | return 1; | |
211 | } | |
212 | ||
213 | return errno ? -1 : 0; | |
214 | } | |
215 | ||
216 | int sys_acl_get_tag_type( SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *tag_type_p) | |
217 | { | |
218 | return acl_get_tag_type( entry_d, tag_type_p); | |
219 | } | |
220 | ||
1c3344a1 WD |
221 | void *sys_acl_get_qualifier( SMB_ACL_ENTRY_T entry_d) |
222 | { | |
223 | return acl_get_qualifier( entry_d); | |
224 | } | |
225 | ||
226 | SMB_ACL_T sys_acl_get_file( const char *path_p, SMB_ACL_TYPE_T type) | |
227 | { | |
228 | return acl_get_file((char *)path_p, type); | |
229 | } | |
230 | ||
a30dcbc0 | 231 | #if 0 |
1c3344a1 WD |
232 | SMB_ACL_T sys_acl_get_fd(int fd) |
233 | { | |
234 | return acl_get_fd(fd, ACL_TYPE_ACCESS); | |
235 | } | |
a30dcbc0 | 236 | #endif |
1c3344a1 | 237 | |
a30dcbc0 | 238 | int sys_acl_get_access_bits(SMB_ACL_ENTRY_T entry_d, uint32 *bits) |
1c3344a1 | 239 | { |
a30dcbc0 WD |
240 | SMB_ACL_PERMSET_T permset; |
241 | int rc; | |
242 | if ((rc = acl_get_permset(entry_d, &permset)) != 0) | |
243 | return rc; | |
244 | *bits = *permset & 7; /* Tru64 doesn't have acl_get_perm() */ | |
1c3344a1 WD |
245 | return 0; |
246 | } | |
247 | ||
1c3344a1 WD |
248 | SMB_ACL_T sys_acl_init( int count) |
249 | { | |
250 | return acl_init(count); | |
251 | } | |
252 | ||
253 | int sys_acl_create_entry( SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry) | |
254 | { | |
255 | SMB_ACL_ENTRY_T entry; | |
256 | ||
257 | if ((entry = acl_create_entry(pacl)) == NULL) { | |
258 | return -1; | |
259 | } | |
260 | ||
261 | *pentry = entry; | |
262 | return 0; | |
263 | } | |
264 | ||
265 | int sys_acl_set_tag_type( SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tagtype) | |
266 | { | |
267 | return acl_set_tag_type(entry, tagtype); | |
268 | } | |
269 | ||
270 | int sys_acl_set_qualifier( SMB_ACL_ENTRY_T entry, void *qual) | |
271 | { | |
272 | return acl_set_qualifier(entry, qual); | |
273 | } | |
274 | ||
a30dcbc0 | 275 | int sys_acl_set_access_bits(SMB_ACL_ENTRY_T entry, uint32 bits) |
1c3344a1 | 276 | { |
a30dcbc0 WD |
277 | SMB_ACL_PERMSET_T permset; |
278 | int rc; | |
279 | if ((rc = acl_get_permset(entry, &permset)) != 0) | |
280 | return rc; | |
a30dcbc0 | 281 | *permset = bits & 7; |
1c3344a1 WD |
282 | return acl_set_permset(entry, permset); |
283 | } | |
284 | ||
285 | int sys_acl_valid( SMB_ACL_T theacl ) | |
286 | { | |
287 | acl_entry_t entry; | |
288 | ||
289 | return acl_valid(theacl, &entry); | |
290 | } | |
291 | ||
292 | int sys_acl_set_file( const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl) | |
293 | { | |
294 | return acl_set_file((char *)name, acltype, theacl); | |
295 | } | |
296 | ||
297 | int sys_acl_set_fd( int fd, SMB_ACL_T theacl) | |
298 | { | |
299 | return acl_set_fd(fd, ACL_TYPE_ACCESS, theacl); | |
300 | } | |
301 | ||
302 | int sys_acl_delete_def_file(const char *name) | |
303 | { | |
304 | return acl_delete_def_file((char *)name); | |
305 | } | |
306 | ||
1c3344a1 WD |
307 | int sys_acl_free_acl(SMB_ACL_T the_acl) |
308 | { | |
309 | return acl_free(the_acl); | |
310 | } | |
311 | ||
312 | int sys_acl_free_qualifier(void *qual, SMB_ACL_TAG_T tagtype) | |
313 | { | |
314 | return acl_free_qualifier(qual, tagtype); | |
315 | } | |
316 | ||
317 | #elif defined(HAVE_UNIXWARE_ACLS) || defined(HAVE_SOLARIS_ACLS) | |
318 | ||
319 | /* | |
320 | * Donated by Michael Davidson <md@sco.COM> for UnixWare / OpenUNIX. | |
321 | * Modified by Toomas Soome <tsoome@ut.ee> for Solaris. | |
322 | */ | |
323 | ||
324 | /* | |
325 | * Note that while this code implements sufficient functionality | |
326 | * to support the sys_acl_* interfaces it does not provide all | |
327 | * of the semantics of the POSIX ACL interfaces. | |
328 | * | |
329 | * In particular, an ACL entry descriptor (SMB_ACL_ENTRY_T) returned | |
330 | * from a call to sys_acl_get_entry() should not be assumed to be | |
331 | * valid after calling any of the following functions, which may | |
332 | * reorder the entries in the ACL. | |
333 | * | |
334 | * sys_acl_valid() | |
335 | * sys_acl_set_file() | |
336 | * sys_acl_set_fd() | |
337 | */ | |
338 | ||
339 | /* | |
340 | * The only difference between Solaris and UnixWare / OpenUNIX is | |
341 | * that the #defines for the ACL operations have different names | |
342 | */ | |
343 | #if defined(HAVE_UNIXWARE_ACLS) | |
344 | ||
345 | #define SETACL ACL_SET | |
346 | #define GETACL ACL_GET | |
347 | #define GETACLCNT ACL_CNT | |
348 | ||
349 | #endif | |
350 | ||
351 | ||
352 | int sys_acl_get_entry(SMB_ACL_T acl_d, int entry_id, SMB_ACL_ENTRY_T *entry_p) | |
353 | { | |
354 | if (entry_id != SMB_ACL_FIRST_ENTRY && entry_id != SMB_ACL_NEXT_ENTRY) { | |
355 | errno = EINVAL; | |
356 | return -1; | |
357 | } | |
358 | ||
359 | if (entry_p == NULL) { | |
360 | errno = EINVAL; | |
361 | return -1; | |
362 | } | |
363 | ||
364 | if (entry_id == SMB_ACL_FIRST_ENTRY) { | |
365 | acl_d->next = 0; | |
366 | } | |
367 | ||
368 | if (acl_d->next < 0) { | |
369 | errno = EINVAL; | |
370 | return -1; | |
371 | } | |
372 | ||
373 | if (acl_d->next >= acl_d->count) { | |
374 | return 0; | |
375 | } | |
376 | ||
377 | *entry_p = &acl_d->acl[acl_d->next++]; | |
378 | ||
379 | return 1; | |
380 | } | |
381 | ||
382 | int sys_acl_get_tag_type(SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *type_p) | |
383 | { | |
384 | *type_p = entry_d->a_type; | |
385 | ||
386 | return 0; | |
387 | } | |
388 | ||
1c3344a1 WD |
389 | void *sys_acl_get_qualifier(SMB_ACL_ENTRY_T entry_d) |
390 | { | |
391 | if (entry_d->a_type != SMB_ACL_USER | |
392 | && entry_d->a_type != SMB_ACL_GROUP) { | |
393 | errno = EINVAL; | |
394 | return NULL; | |
395 | } | |
396 | ||
397 | return &entry_d->a_id; | |
398 | } | |
399 | ||
400 | /* | |
401 | * There is no way of knowing what size the ACL returned by | |
402 | * GETACL will be unless you first call GETACLCNT which means | |
403 | * making an additional system call. | |
404 | * | |
405 | * In the hope of avoiding the cost of the additional system | |
406 | * call in most cases, we initially allocate enough space for | |
407 | * an ACL with INITIAL_ACL_SIZE entries. If this turns out to | |
408 | * be too small then we use GETACLCNT to find out the actual | |
409 | * size, reallocate the ACL buffer, and then call GETACL again. | |
410 | */ | |
411 | ||
412 | #define INITIAL_ACL_SIZE 16 | |
413 | ||
414 | SMB_ACL_T sys_acl_get_file(const char *path_p, SMB_ACL_TYPE_T type) | |
415 | { | |
416 | SMB_ACL_T acl_d; | |
417 | int count; /* # of ACL entries allocated */ | |
418 | int naccess; /* # of access ACL entries */ | |
419 | int ndefault; /* # of default ACL entries */ | |
420 | ||
421 | if (type != SMB_ACL_TYPE_ACCESS && type != SMB_ACL_TYPE_DEFAULT) { | |
422 | errno = EINVAL; | |
423 | return NULL; | |
424 | } | |
425 | ||
426 | count = INITIAL_ACL_SIZE; | |
427 | if ((acl_d = sys_acl_init(count)) == NULL) { | |
428 | return NULL; | |
429 | } | |
430 | ||
431 | /* | |
432 | * If there isn't enough space for the ACL entries we use | |
433 | * GETACLCNT to determine the actual number of ACL entries | |
434 | * reallocate and try again. This is in a loop because it | |
435 | * is possible that someone else could modify the ACL and | |
436 | * increase the number of entries between the call to | |
437 | * GETACLCNT and the call to GETACL. | |
438 | */ | |
439 | while ((count = acl(path_p, GETACL, count, &acl_d->acl[0])) < 0 | |
440 | && errno == ENOSPC) { | |
441 | ||
442 | sys_acl_free_acl(acl_d); | |
443 | ||
444 | if ((count = acl(path_p, GETACLCNT, 0, NULL)) < 0) { | |
445 | return NULL; | |
446 | } | |
447 | ||
448 | if ((acl_d = sys_acl_init(count)) == NULL) { | |
449 | return NULL; | |
450 | } | |
451 | } | |
452 | ||
453 | if (count < 0) { | |
454 | sys_acl_free_acl(acl_d); | |
455 | return NULL; | |
456 | } | |
457 | ||
458 | /* | |
459 | * calculate the number of access and default ACL entries | |
460 | * | |
461 | * Note: we assume that the acl() system call returned a | |
462 | * well formed ACL which is sorted so that all of the | |
463 | * access ACL entries preceed any default ACL entries | |
464 | */ | |
465 | for (naccess = 0; naccess < count; naccess++) { | |
466 | if (acl_d->acl[naccess].a_type & ACL_DEFAULT) | |
467 | break; | |
468 | } | |
469 | ndefault = count - naccess; | |
470 | ||
471 | /* | |
472 | * if the caller wants the default ACL we have to copy | |
473 | * the entries down to the start of the acl[] buffer | |
474 | * and mask out the ACL_DEFAULT flag from the type field | |
475 | */ | |
476 | if (type == SMB_ACL_TYPE_DEFAULT) { | |
477 | int i, j; | |
478 | ||
479 | for (i = 0, j = naccess; i < ndefault; i++, j++) { | |
480 | acl_d->acl[i] = acl_d->acl[j]; | |
481 | acl_d->acl[i].a_type &= ~ACL_DEFAULT; | |
482 | } | |
483 | ||
484 | acl_d->count = ndefault; | |
485 | } else { | |
486 | acl_d->count = naccess; | |
487 | } | |
488 | ||
489 | return acl_d; | |
490 | } | |
491 | ||
a30dcbc0 | 492 | #if 0 |
1c3344a1 WD |
493 | SMB_ACL_T sys_acl_get_fd(int fd) |
494 | { | |
495 | SMB_ACL_T acl_d; | |
496 | int count; /* # of ACL entries allocated */ | |
497 | int naccess; /* # of access ACL entries */ | |
498 | ||
499 | count = INITIAL_ACL_SIZE; | |
500 | if ((acl_d = sys_acl_init(count)) == NULL) { | |
501 | return NULL; | |
502 | } | |
503 | ||
504 | while ((count = facl(fd, GETACL, count, &acl_d->acl[0])) < 0 | |
505 | && errno == ENOSPC) { | |
506 | ||
507 | sys_acl_free_acl(acl_d); | |
508 | ||
509 | if ((count = facl(fd, GETACLCNT, 0, NULL)) < 0) { | |
510 | return NULL; | |
511 | } | |
512 | ||
513 | if ((acl_d = sys_acl_init(count)) == NULL) { | |
514 | return NULL; | |
515 | } | |
516 | } | |
517 | ||
518 | if (count < 0) { | |
519 | sys_acl_free_acl(acl_d); | |
520 | return NULL; | |
521 | } | |
522 | ||
523 | /* | |
524 | * calculate the number of access ACL entries | |
525 | */ | |
526 | for (naccess = 0; naccess < count; naccess++) { | |
527 | if (acl_d->acl[naccess].a_type & ACL_DEFAULT) | |
528 | break; | |
529 | } | |
530 | ||
531 | acl_d->count = naccess; | |
532 | ||
533 | return acl_d; | |
534 | } | |
a30dcbc0 | 535 | #endif |
1c3344a1 | 536 | |
a30dcbc0 | 537 | int sys_acl_get_access_bits(SMB_ACL_ENTRY_T entry_d, uint32 *bits) |
1c3344a1 | 538 | { |
63186ec0 | 539 | *bits = entry_d->a_perm; |
1c3344a1 WD |
540 | return 0; |
541 | } | |
542 | ||
1c3344a1 WD |
543 | SMB_ACL_T sys_acl_init(int count) |
544 | { | |
545 | SMB_ACL_T a; | |
546 | ||
547 | if (count < 0) { | |
548 | errno = EINVAL; | |
549 | return NULL; | |
550 | } | |
551 | ||
552 | /* | |
553 | * note that since the definition of the structure pointed | |
554 | * to by the SMB_ACL_T includes the first element of the | |
555 | * acl[] array, this actually allocates an ACL with room | |
556 | * for (count+1) entries | |
557 | */ | |
558 | if ((a = (SMB_ACL_T)SMB_MALLOC(sizeof(struct SMB_ACL_T) + count * sizeof(struct acl))) == NULL) { | |
559 | errno = ENOMEM; | |
560 | return NULL; | |
561 | } | |
562 | ||
563 | a->size = count + 1; | |
564 | a->count = 0; | |
565 | a->next = -1; | |
566 | ||
567 | return a; | |
568 | } | |
569 | ||
570 | ||
571 | int sys_acl_create_entry(SMB_ACL_T *acl_p, SMB_ACL_ENTRY_T *entry_p) | |
572 | { | |
573 | SMB_ACL_T acl_d; | |
574 | SMB_ACL_ENTRY_T entry_d; | |
575 | ||
576 | if (acl_p == NULL || entry_p == NULL || (acl_d = *acl_p) == NULL) { | |
577 | errno = EINVAL; | |
578 | return -1; | |
579 | } | |
580 | ||
581 | if (acl_d->count >= acl_d->size) { | |
582 | errno = ENOSPC; | |
583 | return -1; | |
584 | } | |
585 | ||
586 | entry_d = &acl_d->acl[acl_d->count++]; | |
587 | entry_d->a_type = 0; | |
588 | entry_d->a_id = -1; | |
589 | entry_d->a_perm = 0; | |
590 | *entry_p = entry_d; | |
591 | ||
592 | return 0; | |
593 | } | |
594 | ||
595 | int sys_acl_set_tag_type(SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T tag_type) | |
596 | { | |
597 | switch (tag_type) { | |
598 | case SMB_ACL_USER: | |
599 | case SMB_ACL_USER_OBJ: | |
600 | case SMB_ACL_GROUP: | |
601 | case SMB_ACL_GROUP_OBJ: | |
602 | case SMB_ACL_OTHER: | |
603 | case SMB_ACL_MASK: | |
604 | entry_d->a_type = tag_type; | |
605 | break; | |
606 | default: | |
607 | errno = EINVAL; | |
608 | return -1; | |
609 | } | |
610 | ||
611 | return 0; | |
612 | } | |
613 | ||
614 | int sys_acl_set_qualifier(SMB_ACL_ENTRY_T entry_d, void *qual_p) | |
615 | { | |
616 | if (entry_d->a_type != SMB_ACL_GROUP | |
617 | && entry_d->a_type != SMB_ACL_USER) { | |
618 | errno = EINVAL; | |
619 | return -1; | |
620 | } | |
621 | ||
622 | entry_d->a_id = *((id_t *)qual_p); | |
623 | ||
624 | return 0; | |
625 | } | |
626 | ||
a30dcbc0 | 627 | int sys_acl_set_access_bits(SMB_ACL_ENTRY_T entry_d, uint32 bits) |
1c3344a1 | 628 | { |
a30dcbc0 | 629 | entry_d->a_perm = bits; |
1c3344a1 WD |
630 | return 0; |
631 | } | |
632 | ||
633 | /* | |
634 | * sort the ACL and check it for validity | |
635 | * | |
636 | * if it's a minimal ACL with only 4 entries then we | |
637 | * need to recalculate the mask permissions to make | |
638 | * sure that they are the same as the GROUP_OBJ | |
639 | * permissions as required by the UnixWare acl() system call. | |
640 | * | |
641 | * (note: since POSIX allows minimal ACLs which only contain | |
642 | * 3 entries - ie there is no mask entry - we should, in theory, | |
643 | * check for this and add a mask entry if necessary - however | |
644 | * we "know" that the caller of this interface always specifies | |
645 | * a mask so, in practice "this never happens" (tm) - if it *does* | |
646 | * happen aclsort() will fail and return an error and someone will | |
647 | * have to fix it ...) | |
648 | */ | |
649 | ||
650 | static int acl_sort(SMB_ACL_T acl_d) | |
651 | { | |
652 | int fixmask = (acl_d->count <= 4); | |
653 | ||
654 | if (aclsort(acl_d->count, fixmask, acl_d->acl) != 0) { | |
655 | errno = EINVAL; | |
656 | return -1; | |
657 | } | |
658 | return 0; | |
659 | } | |
660 | ||
661 | int sys_acl_valid(SMB_ACL_T acl_d) | |
662 | { | |
663 | return acl_sort(acl_d); | |
664 | } | |
665 | ||
666 | int sys_acl_set_file(const char *name, SMB_ACL_TYPE_T type, SMB_ACL_T acl_d) | |
667 | { | |
668 | struct stat s; | |
669 | struct acl *acl_p; | |
670 | int acl_count; | |
671 | struct acl *acl_buf = NULL; | |
672 | int ret; | |
673 | ||
674 | if (type != SMB_ACL_TYPE_ACCESS && type != SMB_ACL_TYPE_DEFAULT) { | |
675 | errno = EINVAL; | |
676 | return -1; | |
677 | } | |
678 | ||
679 | if (acl_sort(acl_d) != 0) { | |
680 | return -1; | |
681 | } | |
682 | ||
683 | acl_p = &acl_d->acl[0]; | |
684 | acl_count = acl_d->count; | |
685 | ||
686 | /* | |
687 | * if it's a directory there is extra work to do | |
688 | * since the acl() system call will replace both | |
689 | * the access ACLs and the default ACLs (if any) | |
690 | */ | |
691 | if (stat(name, &s) != 0) { | |
692 | return -1; | |
693 | } | |
694 | if (S_ISDIR(s.st_mode)) { | |
695 | SMB_ACL_T acc_acl; | |
696 | SMB_ACL_T def_acl; | |
697 | SMB_ACL_T tmp_acl; | |
698 | int i; | |
699 | ||
700 | if (type == SMB_ACL_TYPE_ACCESS) { | |
701 | acc_acl = acl_d; | |
702 | def_acl = tmp_acl = sys_acl_get_file(name, SMB_ACL_TYPE_DEFAULT); | |
703 | ||
704 | } else { | |
705 | def_acl = acl_d; | |
706 | acc_acl = tmp_acl = sys_acl_get_file(name, SMB_ACL_TYPE_ACCESS); | |
707 | } | |
708 | ||
709 | if (tmp_acl == NULL) { | |
710 | return -1; | |
711 | } | |
712 | ||
713 | /* | |
714 | * allocate a temporary buffer for the complete ACL | |
715 | */ | |
716 | acl_count = acc_acl->count + def_acl->count; | |
717 | acl_p = acl_buf = SMB_MALLOC_ARRAY(struct acl, acl_count); | |
718 | ||
719 | if (acl_buf == NULL) { | |
720 | sys_acl_free_acl(tmp_acl); | |
721 | errno = ENOMEM; | |
722 | return -1; | |
723 | } | |
724 | ||
725 | /* | |
726 | * copy the access control and default entries into the buffer | |
727 | */ | |
728 | memcpy(&acl_buf[0], &acc_acl->acl[0], | |
729 | acc_acl->count * sizeof(acl_buf[0])); | |
730 | ||
731 | memcpy(&acl_buf[acc_acl->count], &def_acl->acl[0], | |
732 | def_acl->count * sizeof(acl_buf[0])); | |
733 | ||
734 | /* | |
735 | * set the ACL_DEFAULT flag on the default entries | |
736 | */ | |
737 | for (i = acc_acl->count; i < acl_count; i++) { | |
738 | acl_buf[i].a_type |= ACL_DEFAULT; | |
739 | } | |
740 | ||
741 | sys_acl_free_acl(tmp_acl); | |
742 | ||
743 | } else if (type != SMB_ACL_TYPE_ACCESS) { | |
744 | errno = EINVAL; | |
745 | return -1; | |
746 | } | |
747 | ||
748 | ret = acl(name, SETACL, acl_count, acl_p); | |
749 | ||
750 | SAFE_FREE(acl_buf); | |
751 | ||
752 | return ret; | |
753 | } | |
754 | ||
755 | int sys_acl_set_fd(int fd, SMB_ACL_T acl_d) | |
756 | { | |
757 | if (acl_sort(acl_d) != 0) { | |
758 | return -1; | |
759 | } | |
760 | ||
761 | return facl(fd, SETACL, acl_d->count, &acl_d->acl[0]); | |
762 | } | |
763 | ||
764 | int sys_acl_delete_def_file(const char *path) | |
765 | { | |
766 | SMB_ACL_T acl_d; | |
767 | int ret; | |
768 | ||
769 | /* | |
770 | * fetching the access ACL and rewriting it has | |
771 | * the effect of deleting the default ACL | |
772 | */ | |
773 | if ((acl_d = sys_acl_get_file(path, SMB_ACL_TYPE_ACCESS)) == NULL) { | |
774 | return -1; | |
775 | } | |
776 | ||
777 | ret = acl(path, SETACL, acl_d->count, acl_d->acl); | |
778 | ||
779 | sys_acl_free_acl(acl_d); | |
780 | ||
781 | return ret; | |
782 | } | |
783 | ||
1c3344a1 WD |
784 | int sys_acl_free_acl(SMB_ACL_T acl_d) |
785 | { | |
786 | SAFE_FREE(acl_d); | |
787 | return 0; | |
788 | } | |
789 | ||
790 | int sys_acl_free_qualifier(UNUSED(void *qual), UNUSED(SMB_ACL_TAG_T tagtype)) | |
791 | { | |
792 | return 0; | |
793 | } | |
794 | ||
795 | #elif defined(HAVE_HPUX_ACLS) | |
796 | #include <dl.h> | |
797 | ||
798 | /* | |
799 | * Based on the Solaris/SCO code - with modifications. | |
800 | */ | |
801 | ||
802 | /* | |
803 | * Note that while this code implements sufficient functionality | |
804 | * to support the sys_acl_* interfaces it does not provide all | |
805 | * of the semantics of the POSIX ACL interfaces. | |
806 | * | |
807 | * In particular, an ACL entry descriptor (SMB_ACL_ENTRY_T) returned | |
808 | * from a call to sys_acl_get_entry() should not be assumed to be | |
809 | * valid after calling any of the following functions, which may | |
810 | * reorder the entries in the ACL. | |
811 | * | |
812 | * sys_acl_valid() | |
813 | * sys_acl_set_file() | |
814 | * sys_acl_set_fd() | |
815 | */ | |
816 | ||
817 | /* This checks if the POSIX ACL system call is defined */ | |
818 | /* which basically corresponds to whether JFS 3.3 or */ | |
819 | /* higher is installed. If acl() was called when it */ | |
820 | /* isn't defined, it causes the process to core dump */ | |
821 | /* so it is important to check this and avoid acl() */ | |
822 | /* calls if it isn't there. */ | |
823 | ||
824 | static BOOL hpux_acl_call_presence(void) | |
825 | { | |
826 | ||
827 | shl_t handle = NULL; | |
828 | void *value; | |
829 | int ret_val=0; | |
830 | static BOOL already_checked=0; | |
831 | ||
832 | if(already_checked) | |
833 | return True; | |
834 | ||
835 | ||
836 | ret_val = shl_findsym(&handle, "acl", TYPE_PROCEDURE, &value); | |
837 | ||
838 | if(ret_val != 0) { | |
839 | DEBUG(5, ("hpux_acl_call_presence: shl_findsym() returned %d, errno = %d, error %s\n", | |
840 | ret_val, errno, strerror(errno))); | |
841 | DEBUG(5,("hpux_acl_call_presence: acl() system call is not present. Check if you have JFS 3.3 and above?\n")); | |
842 | return False; | |
843 | } | |
844 | ||
845 | DEBUG(10,("hpux_acl_call_presence: acl() system call is present. We have JFS 3.3 or above \n")); | |
846 | ||
847 | already_checked = True; | |
848 | return True; | |
849 | } | |
850 | ||
851 | int sys_acl_get_entry(SMB_ACL_T acl_d, int entry_id, SMB_ACL_ENTRY_T *entry_p) | |
852 | { | |
853 | if (entry_id != SMB_ACL_FIRST_ENTRY && entry_id != SMB_ACL_NEXT_ENTRY) { | |
854 | errno = EINVAL; | |
855 | return -1; | |
856 | } | |
857 | ||
858 | if (entry_p == NULL) { | |
859 | errno = EINVAL; | |
860 | return -1; | |
861 | } | |
862 | ||
863 | if (entry_id == SMB_ACL_FIRST_ENTRY) { | |
864 | acl_d->next = 0; | |
865 | } | |
866 | ||
867 | if (acl_d->next < 0) { | |
868 | errno = EINVAL; | |
869 | return -1; | |
870 | } | |
871 | ||
872 | if (acl_d->next >= acl_d->count) { | |
873 | return 0; | |
874 | } | |
875 | ||
876 | *entry_p = &acl_d->acl[acl_d->next++]; | |
877 | ||
878 | return 1; | |
879 | } | |
880 | ||
881 | int sys_acl_get_tag_type(SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *type_p) | |
882 | { | |
883 | *type_p = entry_d->a_type; | |
884 | ||
885 | return 0; | |
886 | } | |
887 | ||
1c3344a1 WD |
888 | void *sys_acl_get_qualifier(SMB_ACL_ENTRY_T entry_d) |
889 | { | |
890 | if (entry_d->a_type != SMB_ACL_USER | |
891 | && entry_d->a_type != SMB_ACL_GROUP) { | |
892 | errno = EINVAL; | |
893 | return NULL; | |
894 | } | |
895 | ||
896 | return &entry_d->a_id; | |
897 | } | |
898 | ||
899 | /* | |
900 | * There is no way of knowing what size the ACL returned by | |
901 | * ACL_GET will be unless you first call ACL_CNT which means | |
902 | * making an additional system call. | |
903 | * | |
904 | * In the hope of avoiding the cost of the additional system | |
905 | * call in most cases, we initially allocate enough space for | |
906 | * an ACL with INITIAL_ACL_SIZE entries. If this turns out to | |
907 | * be too small then we use ACL_CNT to find out the actual | |
908 | * size, reallocate the ACL buffer, and then call ACL_GET again. | |
909 | */ | |
910 | ||
911 | #define INITIAL_ACL_SIZE 16 | |
912 | ||
913 | SMB_ACL_T sys_acl_get_file(const char *path_p, SMB_ACL_TYPE_T type) | |
914 | { | |
915 | SMB_ACL_T acl_d; | |
916 | int count; /* # of ACL entries allocated */ | |
917 | int naccess; /* # of access ACL entries */ | |
918 | int ndefault; /* # of default ACL entries */ | |
919 | ||
920 | if(hpux_acl_call_presence() == False) { | |
921 | /* Looks like we don't have the acl() system call on HPUX. | |
922 | * May be the system doesn't have the latest version of JFS. | |
923 | */ | |
924 | return NULL; | |
925 | } | |
926 | ||
927 | if (type != SMB_ACL_TYPE_ACCESS && type != SMB_ACL_TYPE_DEFAULT) { | |
928 | errno = EINVAL; | |
929 | return NULL; | |
930 | } | |
931 | ||
932 | count = INITIAL_ACL_SIZE; | |
933 | if ((acl_d = sys_acl_init(count)) == NULL) { | |
934 | return NULL; | |
935 | } | |
936 | ||
937 | /* | |
938 | * If there isn't enough space for the ACL entries we use | |
939 | * ACL_CNT to determine the actual number of ACL entries | |
940 | * reallocate and try again. This is in a loop because it | |
941 | * is possible that someone else could modify the ACL and | |
942 | * increase the number of entries between the call to | |
943 | * ACL_CNT and the call to ACL_GET. | |
944 | */ | |
945 | while ((count = acl(path_p, ACL_GET, count, &acl_d->acl[0])) < 0 && errno == ENOSPC) { | |
946 | ||
947 | sys_acl_free_acl(acl_d); | |
948 | ||
949 | if ((count = acl(path_p, ACL_CNT, 0, NULL)) < 0) { | |
950 | return NULL; | |
951 | } | |
952 | ||
953 | if ((acl_d = sys_acl_init(count)) == NULL) { | |
954 | return NULL; | |
955 | } | |
956 | } | |
957 | ||
958 | if (count < 0) { | |
959 | sys_acl_free_acl(acl_d); | |
960 | return NULL; | |
961 | } | |
962 | ||
963 | /* | |
964 | * calculate the number of access and default ACL entries | |
965 | * | |
966 | * Note: we assume that the acl() system call returned a | |
967 | * well formed ACL which is sorted so that all of the | |
968 | * access ACL entries preceed any default ACL entries | |
969 | */ | |
970 | for (naccess = 0; naccess < count; naccess++) { | |
971 | if (acl_d->acl[naccess].a_type & ACL_DEFAULT) | |
972 | break; | |
973 | } | |
974 | ndefault = count - naccess; | |
975 | ||
976 | /* | |
977 | * if the caller wants the default ACL we have to copy | |
978 | * the entries down to the start of the acl[] buffer | |
979 | * and mask out the ACL_DEFAULT flag from the type field | |
980 | */ | |
981 | if (type == SMB_ACL_TYPE_DEFAULT) { | |
982 | int i, j; | |
983 | ||
984 | for (i = 0, j = naccess; i < ndefault; i++, j++) { | |
985 | acl_d->acl[i] = acl_d->acl[j]; | |
986 | acl_d->acl[i].a_type &= ~ACL_DEFAULT; | |
987 | } | |
988 | ||
989 | acl_d->count = ndefault; | |
990 | } else { | |
991 | acl_d->count = naccess; | |
992 | } | |
993 | ||
994 | return acl_d; | |
995 | } | |
996 | ||
1b897d50 | 997 | #if 0 |
1c3344a1 WD |
998 | SMB_ACL_T sys_acl_get_fd(int fd) |
999 | { | |
1000 | /* | |
1001 | * HPUX doesn't have the facl call. Fake it using the path.... JRA. | |
1002 | */ | |
1003 | ||
1004 | files_struct *fsp = file_find_fd(fd); | |
1005 | ||
1006 | if (fsp == NULL) { | |
1007 | errno = EBADF; | |
1008 | return NULL; | |
1009 | } | |
1010 | ||
1011 | /* | |
1012 | * We know we're in the same conn context. So we | |
1013 | * can use the relative path. | |
1014 | */ | |
1015 | ||
1016 | return sys_acl_get_file(fsp->fsp_name, SMB_ACL_TYPE_ACCESS); | |
1017 | } | |
1b897d50 | 1018 | #endif |
1c3344a1 | 1019 | |
a30dcbc0 | 1020 | int sys_acl_get_access_bits(SMB_ACL_ENTRY_T entry_d, uint32 *bits) |
1c3344a1 | 1021 | { |
63186ec0 | 1022 | *bits = entry_d->a_perm; |
1c3344a1 WD |
1023 | |
1024 | return 0; | |
1025 | } | |
1026 | ||
1c3344a1 WD |
1027 | SMB_ACL_T sys_acl_init(int count) |
1028 | { | |
1029 | SMB_ACL_T a; | |
1030 | ||
1031 | if (count < 0) { | |
1032 | errno = EINVAL; | |
1033 | return NULL; | |
1034 | } | |
1035 | ||
1036 | /* | |
1037 | * note that since the definition of the structure pointed | |
1038 | * to by the SMB_ACL_T includes the first element of the | |
1039 | * acl[] array, this actually allocates an ACL with room | |
1040 | * for (count+1) entries | |
1041 | */ | |
1042 | if ((a = SMB_MALLOC(sizeof(struct SMB_ACL_T) + count * sizeof(struct acl))) == NULL) { | |
1043 | errno = ENOMEM; | |
1044 | return NULL; | |
1045 | } | |
1046 | ||
1047 | a->size = count + 1; | |
1048 | a->count = 0; | |
1049 | a->next = -1; | |
1050 | ||
1051 | return a; | |
1052 | } | |
1053 | ||
1054 | ||
1055 | int sys_acl_create_entry(SMB_ACL_T *acl_p, SMB_ACL_ENTRY_T *entry_p) | |
1056 | { | |
1057 | SMB_ACL_T acl_d; | |
1058 | SMB_ACL_ENTRY_T entry_d; | |
1059 | ||
1060 | if (acl_p == NULL || entry_p == NULL || (acl_d = *acl_p) == NULL) { | |
1061 | errno = EINVAL; | |
1062 | return -1; | |
1063 | } | |
1064 | ||
1065 | if (acl_d->count >= acl_d->size) { | |
1066 | errno = ENOSPC; | |
1067 | return -1; | |
1068 | } | |
1069 | ||
1070 | entry_d = &acl_d->acl[acl_d->count++]; | |
1071 | entry_d->a_type = 0; | |
1072 | entry_d->a_id = -1; | |
1073 | entry_d->a_perm = 0; | |
1074 | *entry_p = entry_d; | |
1075 | ||
1076 | return 0; | |
1077 | } | |
1078 | ||
1079 | int sys_acl_set_tag_type(SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T tag_type) | |
1080 | { | |
1081 | switch (tag_type) { | |
1082 | case SMB_ACL_USER: | |
1083 | case SMB_ACL_USER_OBJ: | |
1084 | case SMB_ACL_GROUP: | |
1085 | case SMB_ACL_GROUP_OBJ: | |
1086 | case SMB_ACL_OTHER: | |
1087 | case SMB_ACL_MASK: | |
1088 | entry_d->a_type = tag_type; | |
1089 | break; | |
1090 | default: | |
1091 | errno = EINVAL; | |
1092 | return -1; | |
1093 | } | |
1094 | ||
1095 | return 0; | |
1096 | } | |
1097 | ||
1098 | int sys_acl_set_qualifier(SMB_ACL_ENTRY_T entry_d, void *qual_p) | |
1099 | { | |
1100 | if (entry_d->a_type != SMB_ACL_GROUP | |
1101 | && entry_d->a_type != SMB_ACL_USER) { | |
1102 | errno = EINVAL; | |
1103 | return -1; | |
1104 | } | |
1105 | ||
1106 | entry_d->a_id = *((id_t *)qual_p); | |
1107 | ||
1108 | return 0; | |
1109 | } | |
1110 | ||
a30dcbc0 | 1111 | int sys_acl_set_access_bits(SMB_ACL_ENTRY_T entry_d, uint32 bits) |
1c3344a1 | 1112 | { |
a30dcbc0 | 1113 | entry_d->a_perm = bits; |
1c3344a1 WD |
1114 | |
1115 | return 0; | |
1116 | } | |
1117 | ||
1118 | /* Structure to capture the count for each type of ACE. */ | |
1119 | ||
1120 | struct hpux_acl_types { | |
1121 | int n_user; | |
1122 | int n_def_user; | |
1123 | int n_user_obj; | |
1124 | int n_def_user_obj; | |
1125 | ||
1126 | int n_group; | |
1127 | int n_def_group; | |
1128 | int n_group_obj; | |
1129 | int n_def_group_obj; | |
1130 | ||
1131 | int n_other; | |
1132 | int n_other_obj; | |
1133 | int n_def_other_obj; | |
1134 | ||
1135 | int n_class_obj; | |
1136 | int n_def_class_obj; | |
1137 | ||
1138 | int n_illegal_obj; | |
1139 | }; | |
1140 | ||
1141 | /* count_obj: | |
1142 | * Counts the different number of objects in a given array of ACL | |
1143 | * structures. | |
1144 | * Inputs: | |
1145 | * | |
1146 | * acl_count - Count of ACLs in the array of ACL strucutres. | |
1147 | * aclp - Array of ACL structures. | |
1148 | * acl_type_count - Pointer to acl_types structure. Should already be | |
1149 | * allocated. | |
1150 | * Output: | |
1151 | * | |
1152 | * acl_type_count - This structure is filled up with counts of various | |
1153 | * acl types. | |
1154 | */ | |
1155 | ||
1156 | static int hpux_count_obj(int acl_count, struct acl *aclp, struct hpux_acl_types *acl_type_count) | |
1157 | { | |
1158 | int i; | |
1159 | ||
1160 | memset(acl_type_count, 0, sizeof(struct hpux_acl_types)); | |
1161 | ||
1162 | for(i=0;i<acl_count;i++) { | |
1163 | switch(aclp[i].a_type) { | |
1164 | case USER: | |
1165 | acl_type_count->n_user++; | |
1166 | break; | |
1167 | case USER_OBJ: | |
1168 | acl_type_count->n_user_obj++; | |
1169 | break; | |
1170 | case DEF_USER_OBJ: | |
1171 | acl_type_count->n_def_user_obj++; | |
1172 | break; | |
1173 | case GROUP: | |
1174 | acl_type_count->n_group++; | |
1175 | break; | |
1176 | case GROUP_OBJ: | |
1177 | acl_type_count->n_group_obj++; | |
1178 | break; | |
1179 | case DEF_GROUP_OBJ: | |
1180 | acl_type_count->n_def_group_obj++; | |
1181 | break; | |
1182 | case OTHER_OBJ: | |
1183 | acl_type_count->n_other_obj++; | |
1184 | break; | |
1185 | case DEF_OTHER_OBJ: | |
1186 | acl_type_count->n_def_other_obj++; | |
1187 | break; | |
1188 | case CLASS_OBJ: | |
1189 | acl_type_count->n_class_obj++; | |
1190 | break; | |
1191 | case DEF_CLASS_OBJ: | |
1192 | acl_type_count->n_def_class_obj++; | |
1193 | break; | |
1194 | case DEF_USER: | |
1195 | acl_type_count->n_def_user++; | |
1196 | break; | |
1197 | case DEF_GROUP: | |
1198 | acl_type_count->n_def_group++; | |
1199 | break; | |
1200 | default: | |
1201 | acl_type_count->n_illegal_obj++; | |
1202 | break; | |
1203 | } | |
1204 | } | |
1205 | } | |
1206 | ||
1207 | /* swap_acl_entries: Swaps two ACL entries. | |
1208 | * | |
1209 | * Inputs: aclp0, aclp1 - ACL entries to be swapped. | |
1210 | */ | |
1211 | ||
1212 | static void hpux_swap_acl_entries(struct acl *aclp0, struct acl *aclp1) | |
1213 | { | |
1214 | struct acl temp_acl; | |
1215 | ||
1216 | temp_acl.a_type = aclp0->a_type; | |
1217 | temp_acl.a_id = aclp0->a_id; | |
1218 | temp_acl.a_perm = aclp0->a_perm; | |
1219 | ||
1220 | aclp0->a_type = aclp1->a_type; | |
1221 | aclp0->a_id = aclp1->a_id; | |
1222 | aclp0->a_perm = aclp1->a_perm; | |
1223 | ||
1224 | aclp1->a_type = temp_acl.a_type; | |
1225 | aclp1->a_id = temp_acl.a_id; | |
1226 | aclp1->a_perm = temp_acl.a_perm; | |
1227 | } | |
1228 | ||
1229 | /* prohibited_duplicate_type | |
1230 | * Identifies if given ACL type can have duplicate entries or | |
1231 | * not. | |
1232 | * | |
1233 | * Inputs: acl_type - ACL Type. | |
1234 | * | |
1235 | * Outputs: | |
1236 | * | |
1237 | * Return.. | |
1238 | * | |
1239 | * True - If the ACL type matches any of the prohibited types. | |
1240 | * False - If the ACL type doesn't match any of the prohibited types. | |
1241 | */ | |
1242 | ||
1243 | static BOOL hpux_prohibited_duplicate_type(int acl_type) | |
1244 | { | |
1245 | switch(acl_type) { | |
1246 | case USER: | |
1247 | case GROUP: | |
1248 | case DEF_USER: | |
1249 | case DEF_GROUP: | |
1250 | return True; | |
1251 | default: | |
1252 | return False; | |
1253 | } | |
1254 | } | |
1255 | ||
1256 | /* get_needed_class_perm | |
1257 | * Returns the permissions of a ACL structure only if the ACL | |
1258 | * type matches one of the pre-determined types for computing | |
1259 | * CLASS_OBJ permissions. | |
1260 | * | |
1261 | * Inputs: aclp - Pointer to ACL structure. | |
1262 | */ | |
1263 | ||
1264 | static int hpux_get_needed_class_perm(struct acl *aclp) | |
1265 | { | |
1266 | switch(aclp->a_type) { | |
1267 | case USER: | |
1268 | case GROUP_OBJ: | |
1269 | case GROUP: | |
1270 | case DEF_USER_OBJ: | |
1271 | case DEF_USER: | |
1272 | case DEF_GROUP_OBJ: | |
1273 | case DEF_GROUP: | |
1274 | case DEF_CLASS_OBJ: | |
1275 | case DEF_OTHER_OBJ: | |
1276 | return aclp->a_perm; | |
1277 | default: | |
1278 | return 0; | |
1279 | } | |
1280 | } | |
1281 | ||
1282 | /* acl_sort for HPUX. | |
1283 | * Sorts the array of ACL structures as per the description in | |
1284 | * aclsort man page. Refer to aclsort man page for more details | |
1285 | * | |
1286 | * Inputs: | |
1287 | * | |
1288 | * acl_count - Count of ACLs in the array of ACL structures. | |
1289 | * calclass - If this is not zero, then we compute the CLASS_OBJ | |
1290 | * permissions. | |
1291 | * aclp - Array of ACL structures. | |
1292 | * | |
1293 | * Outputs: | |
1294 | * | |
1295 | * aclp - Sorted array of ACL structures. | |
1296 | * | |
1297 | * Outputs: | |
1298 | * | |
1299 | * Returns 0 for success -1 for failure. Prints a message to the Samba | |
1300 | * debug log in case of failure. | |
1301 | */ | |
1302 | ||
1303 | static int hpux_acl_sort(int acl_count, int calclass, struct acl *aclp) | |
1304 | { | |
1305 | #if !defined(HAVE_HPUX_ACLSORT) | |
1306 | /* | |
1307 | * The aclsort() system call is availabe on the latest HPUX General | |
1308 | * Patch Bundles. So for HPUX, we developed our version of acl_sort | |
1309 | * function. Because, we don't want to update to a new | |
1310 | * HPUX GR bundle just for aclsort() call. | |
1311 | */ | |
1312 | ||
1313 | struct hpux_acl_types acl_obj_count; | |
1314 | int n_class_obj_perm = 0; | |
1315 | int i, j; | |
1316 | ||
1317 | if(!acl_count) { | |
1318 | DEBUG(10,("Zero acl count passed. Returning Success\n")); | |
1319 | return 0; | |
1320 | } | |
1321 | ||
1322 | if(aclp == NULL) { | |
1323 | DEBUG(0,("Null ACL pointer in hpux_acl_sort. Returning Failure. \n")); | |
1324 | return -1; | |
1325 | } | |
1326 | ||
1327 | /* Count different types of ACLs in the ACLs array */ | |
1328 | ||
1329 | hpux_count_obj(acl_count, aclp, &acl_obj_count); | |
1330 | ||
1331 | /* There should be only one entry each of type USER_OBJ, GROUP_OBJ, | |
1332 | * CLASS_OBJ and OTHER_OBJ | |
1333 | */ | |
1334 | ||
1335 | if( (acl_obj_count.n_user_obj != 1) || | |
1336 | (acl_obj_count.n_group_obj != 1) || | |
1337 | (acl_obj_count.n_class_obj != 1) || | |
1338 | (acl_obj_count.n_other_obj != 1) | |
1339 | ) { | |
1340 | DEBUG(0,("hpux_acl_sort: More than one entry or no entries for \ | |
1341 | USER OBJ or GROUP_OBJ or OTHER_OBJ or CLASS_OBJ\n")); | |
1342 | return -1; | |
1343 | } | |
1344 | ||
1345 | /* If any of the default objects are present, there should be only | |
1346 | * one of them each. | |
1347 | */ | |
1348 | ||
1349 | if( (acl_obj_count.n_def_user_obj > 1) || (acl_obj_count.n_def_group_obj > 1) || | |
1350 | (acl_obj_count.n_def_other_obj > 1) || (acl_obj_count.n_def_class_obj > 1) ) { | |
1351 | DEBUG(0,("hpux_acl_sort: More than one entry for DEF_CLASS_OBJ \ | |
1352 | or DEF_USER_OBJ or DEF_GROUP_OBJ or DEF_OTHER_OBJ\n")); | |
1353 | return -1; | |
1354 | } | |
1355 | ||
1356 | /* We now have proper number of OBJ and DEF_OBJ entries. Now sort the acl | |
1357 | * structures. | |
1358 | * | |
1359 | * Sorting crieteria - First sort by ACL type. If there are multiple entries of | |
1360 | * same ACL type, sort by ACL id. | |
1361 | * | |
1362 | * I am using the trival kind of sorting method here because, performance isn't | |
1363 | * really effected by the ACLs feature. More over there aren't going to be more | |
1364 | * than 17 entries on HPUX. | |
1365 | */ | |
1366 | ||
1367 | for(i=0; i<acl_count;i++) { | |
1368 | for (j=i+1; j<acl_count; j++) { | |
1369 | if( aclp[i].a_type > aclp[j].a_type ) { | |
1370 | /* ACL entries out of order, swap them */ | |
1371 | ||
1372 | hpux_swap_acl_entries((aclp+i), (aclp+j)); | |
1373 | ||
1374 | } else if ( aclp[i].a_type == aclp[j].a_type ) { | |
1375 | ||
1376 | /* ACL entries of same type, sort by id */ | |
1377 | ||
1378 | if(aclp[i].a_id > aclp[j].a_id) { | |
1379 | hpux_swap_acl_entries((aclp+i), (aclp+j)); | |
1380 | } else if (aclp[i].a_id == aclp[j].a_id) { | |
1381 | /* We have a duplicate entry. */ | |
1382 | if(hpux_prohibited_duplicate_type(aclp[i].a_type)) { | |
1383 | DEBUG(0, ("hpux_acl_sort: Duplicate entry: Type(hex): %x Id: %d\n", | |
1384 | aclp[i].a_type, aclp[i].a_id)); | |
1385 | return -1; | |
1386 | } | |
1387 | } | |
1388 | ||
1389 | } | |
1390 | } | |
1391 | } | |
1392 | ||
1393 | /* set the class obj permissions to the computed one. */ | |
1394 | if(calclass) { | |
1395 | int n_class_obj_index = -1; | |
1396 | ||
1397 | for(i=0;i<acl_count;i++) { | |
1398 | n_class_obj_perm |= hpux_get_needed_class_perm((aclp+i)); | |
1399 | ||
1400 | if(aclp[i].a_type == CLASS_OBJ) | |
1401 | n_class_obj_index = i; | |
1402 | } | |
1403 | aclp[n_class_obj_index].a_perm = n_class_obj_perm; | |
1404 | } | |
1405 | ||
1406 | return 0; | |
1407 | #else | |
1408 | return aclsort(acl_count, calclass, aclp); | |
1409 | #endif | |
1410 | } | |
1411 | ||
1412 | /* | |
1413 | * sort the ACL and check it for validity | |
1414 | * | |
1415 | * if it's a minimal ACL with only 4 entries then we | |
1416 | * need to recalculate the mask permissions to make | |
1417 | * sure that they are the same as the GROUP_OBJ | |
1418 | * permissions as required by the UnixWare acl() system call. | |
1419 | * | |
1420 | * (note: since POSIX allows minimal ACLs which only contain | |
1421 | * 3 entries - ie there is no mask entry - we should, in theory, | |
1422 | * check for this and add a mask entry if necessary - however | |
1423 | * we "know" that the caller of this interface always specifies | |
1424 | * a mask so, in practice "this never happens" (tm) - if it *does* | |
1425 | * happen aclsort() will fail and return an error and someone will | |
1426 | * have to fix it ...) | |
1427 | */ | |
1428 | ||
1429 | static int acl_sort(SMB_ACL_T acl_d) | |
1430 | { | |
1431 | int fixmask = (acl_d->count <= 4); | |
1432 | ||
1433 | if (hpux_acl_sort(acl_d->count, fixmask, acl_d->acl) != 0) { | |
1434 | errno = EINVAL; | |
1435 | return -1; | |
1436 | } | |
1437 | return 0; | |
1438 | } | |
1439 | ||
1440 | int sys_acl_valid(SMB_ACL_T acl_d) | |
1441 | { | |
1442 | return acl_sort(acl_d); | |
1443 | } | |
1444 | ||
1445 | int sys_acl_set_file(const char *name, SMB_ACL_TYPE_T type, SMB_ACL_T acl_d) | |
1446 | { | |
1447 | struct stat s; | |
1448 | struct acl *acl_p; | |
1449 | int acl_count; | |
1450 | struct acl *acl_buf = NULL; | |
1451 | int ret; | |
1452 | ||
1453 | if(hpux_acl_call_presence() == False) { | |
1454 | /* Looks like we don't have the acl() system call on HPUX. | |
1455 | * May be the system doesn't have the latest version of JFS. | |
1456 | */ | |
1457 | errno=ENOSYS; | |
1458 | return -1; | |
1459 | } | |
1460 | ||
1461 | if (type != SMB_ACL_TYPE_ACCESS && type != SMB_ACL_TYPE_DEFAULT) { | |
1462 | errno = EINVAL; | |
1463 | return -1; | |
1464 | } | |
1465 | ||
1466 | if (acl_sort(acl_d) != 0) { | |
1467 | return -1; | |
1468 | } | |
1469 | ||
1470 | acl_p = &acl_d->acl[0]; | |
1471 | acl_count = acl_d->count; | |
1472 | ||
1473 | /* | |
1474 | * if it's a directory there is extra work to do | |
1475 | * since the acl() system call will replace both | |
1476 | * the access ACLs and the default ACLs (if any) | |
1477 | */ | |
1478 | if (stat(name, &s) != 0) { | |
1479 | return -1; | |
1480 | } | |
1481 | if (S_ISDIR(s.st_mode)) { | |
1482 | SMB_ACL_T acc_acl; | |
1483 | SMB_ACL_T def_acl; | |
1484 | SMB_ACL_T tmp_acl; | |
1485 | int i; | |
1486 | ||
1487 | if (type == SMB_ACL_TYPE_ACCESS) { | |
1488 | acc_acl = acl_d; | |
1489 | def_acl = tmp_acl = sys_acl_get_file(name, SMB_ACL_TYPE_DEFAULT); | |
1490 | ||
1491 | } else { | |
1492 | def_acl = acl_d; | |
1493 | acc_acl = tmp_acl = sys_acl_get_file(name, SMB_ACL_TYPE_ACCESS); | |
1494 | } | |
1495 | ||
1496 | if (tmp_acl == NULL) { | |
1497 | return -1; | |
1498 | } | |
1499 | ||
1500 | /* | |
1501 | * allocate a temporary buffer for the complete ACL | |
1502 | */ | |
1503 | acl_count = acc_acl->count + def_acl->count; | |
1504 | acl_p = acl_buf = SMB_MALLOC_ARRAY(struct acl, acl_count); | |
1505 | ||
1506 | if (acl_buf == NULL) { | |
1507 | sys_acl_free_acl(tmp_acl); | |
1508 | errno = ENOMEM; | |
1509 | return -1; | |
1510 | } | |
1511 | ||
1512 | /* | |
1513 | * copy the access control and default entries into the buffer | |
1514 | */ | |
1515 | memcpy(&acl_buf[0], &acc_acl->acl[0], | |
1516 | acc_acl->count * sizeof(acl_buf[0])); | |
1517 | ||
1518 | memcpy(&acl_buf[acc_acl->count], &def_acl->acl[0], | |
1519 | def_acl->count * sizeof(acl_buf[0])); | |
1520 | ||
1521 | /* | |
1522 | * set the ACL_DEFAULT flag on the default entries | |
1523 | */ | |
1524 | for (i = acc_acl->count; i < acl_count; i++) { | |
1525 | acl_buf[i].a_type |= ACL_DEFAULT; | |
1526 | } | |
1527 | ||
1528 | sys_acl_free_acl(tmp_acl); | |
1529 | ||
1530 | } else if (type != SMB_ACL_TYPE_ACCESS) { | |
1531 | errno = EINVAL; | |
1532 | return -1; | |
1533 | } | |
1534 | ||
1535 | ret = acl(name, ACL_SET, acl_count, acl_p); | |
1536 | ||
1537 | if (acl_buf) { | |
1538 | free(acl_buf); | |
1539 | } | |
1540 | ||
1541 | return ret; | |
1542 | } | |
1543 | ||
1b897d50 | 1544 | #if 0 |
1c3344a1 WD |
1545 | int sys_acl_set_fd(int fd, SMB_ACL_T acl_d) |
1546 | { | |
1547 | /* | |
1548 | * HPUX doesn't have the facl call. Fake it using the path.... JRA. | |
1549 | */ | |
1550 | ||
1551 | files_struct *fsp = file_find_fd(fd); | |
1552 | ||
1553 | if (fsp == NULL) { | |
1554 | errno = EBADF; | |
1555 | return NULL; | |
1556 | } | |
1557 | ||
1558 | if (acl_sort(acl_d) != 0) { | |
1559 | return -1; | |
1560 | } | |
1561 | ||
1562 | /* | |
1563 | * We know we're in the same conn context. So we | |
1564 | * can use the relative path. | |
1565 | */ | |
1566 | ||
1567 | return sys_acl_set_file(fsp->fsp_name, SMB_ACL_TYPE_ACCESS, acl_d); | |
1568 | } | |
1b897d50 | 1569 | #endif |
1c3344a1 WD |
1570 | |
1571 | int sys_acl_delete_def_file(const char *path) | |
1572 | { | |
1573 | SMB_ACL_T acl_d; | |
1574 | int ret; | |
1575 | ||
1576 | /* | |
1577 | * fetching the access ACL and rewriting it has | |
1578 | * the effect of deleting the default ACL | |
1579 | */ | |
1580 | if ((acl_d = sys_acl_get_file(path, SMB_ACL_TYPE_ACCESS)) == NULL) { | |
1581 | return -1; | |
1582 | } | |
1583 | ||
1584 | ret = acl(path, ACL_SET, acl_d->count, acl_d->acl); | |
1585 | ||
1586 | sys_acl_free_acl(acl_d); | |
1587 | ||
1588 | return ret; | |
1589 | } | |
1590 | ||
1c3344a1 WD |
1591 | int sys_acl_free_acl(SMB_ACL_T acl_d) |
1592 | { | |
1593 | free(acl_d); | |
1594 | return 0; | |
1595 | } | |
1596 | ||
1597 | int sys_acl_free_qualifier(void *qual, SMB_ACL_TAG_T tagtype) | |
1598 | { | |
1599 | return 0; | |
1600 | } | |
1601 | ||
1602 | #elif defined(HAVE_IRIX_ACLS) | |
1603 | ||
1604 | int sys_acl_get_entry(SMB_ACL_T acl_d, int entry_id, SMB_ACL_ENTRY_T *entry_p) | |
1605 | { | |
1606 | if (entry_id != SMB_ACL_FIRST_ENTRY && entry_id != SMB_ACL_NEXT_ENTRY) { | |
1607 | errno = EINVAL; | |
1608 | return -1; | |
1609 | } | |
1610 | ||
1611 | if (entry_p == NULL) { | |
1612 | errno = EINVAL; | |
1613 | return -1; | |
1614 | } | |
1615 | ||
1616 | if (entry_id == SMB_ACL_FIRST_ENTRY) { | |
1617 | acl_d->next = 0; | |
1618 | } | |
1619 | ||
1620 | if (acl_d->next < 0) { | |
1621 | errno = EINVAL; | |
1622 | return -1; | |
1623 | } | |
1624 | ||
1625 | if (acl_d->next >= acl_d->aclp->acl_cnt) { | |
1626 | return 0; | |
1627 | } | |
1628 | ||
1629 | *entry_p = &acl_d->aclp->acl_entry[acl_d->next++]; | |
1630 | ||
1631 | return 1; | |
1632 | } | |
1633 | ||
1634 | int sys_acl_get_tag_type(SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *type_p) | |
1635 | { | |
1636 | *type_p = entry_d->ae_tag; | |
1637 | ||
1638 | return 0; | |
1639 | } | |
1640 | ||
1c3344a1 WD |
1641 | void *sys_acl_get_qualifier(SMB_ACL_ENTRY_T entry_d) |
1642 | { | |
1643 | if (entry_d->ae_tag != SMB_ACL_USER | |
1644 | && entry_d->ae_tag != SMB_ACL_GROUP) { | |
1645 | errno = EINVAL; | |
1646 | return NULL; | |
1647 | } | |
1648 | ||
1649 | return &entry_d->ae_id; | |
1650 | } | |
1651 | ||
1652 | SMB_ACL_T sys_acl_get_file(const char *path_p, SMB_ACL_TYPE_T type) | |
1653 | { | |
1654 | SMB_ACL_T a; | |
1655 | ||
1656 | if ((a = SMB_MALLOC_P(struct SMB_ACL_T)) == NULL) { | |
1657 | errno = ENOMEM; | |
1658 | return NULL; | |
1659 | } | |
1660 | if ((a->aclp = acl_get_file(path_p, type)) == NULL) { | |
1661 | SAFE_FREE(a); | |
1662 | return NULL; | |
1663 | } | |
1664 | a->next = -1; | |
1665 | a->freeaclp = True; | |
1666 | return a; | |
1667 | } | |
1668 | ||
a30dcbc0 | 1669 | #if 0 |
1c3344a1 WD |
1670 | SMB_ACL_T sys_acl_get_fd(int fd) |
1671 | { | |
1672 | SMB_ACL_T a; | |
1673 | ||
1674 | if ((a = SMB_MALLOC_P(struct SMB_ACL_T)) == NULL) { | |
1675 | errno = ENOMEM; | |
1676 | return NULL; | |
1677 | } | |
1678 | if ((a->aclp = acl_get_fd(fd)) == NULL) { | |
1679 | SAFE_FREE(a); | |
1680 | return NULL; | |
1681 | } | |
1682 | a->next = -1; | |
1683 | a->freeaclp = True; | |
1684 | return a; | |
1685 | } | |
a30dcbc0 | 1686 | #endif |
1c3344a1 | 1687 | |
a30dcbc0 | 1688 | int sys_acl_get_access_bits(SMB_ACL_ENTRY_T entry_d, uint32 *bits) |
1c3344a1 | 1689 | { |
a30dcbc0 | 1690 | *bits = entry_d->ae_perm; |
1c3344a1 WD |
1691 | |
1692 | return 0; | |
1693 | } | |
1694 | ||
1c3344a1 WD |
1695 | SMB_ACL_T sys_acl_init(int count) |
1696 | { | |
1697 | SMB_ACL_T a; | |
1698 | ||
1699 | if (count < 0) { | |
1700 | errno = EINVAL; | |
1701 | return NULL; | |
1702 | } | |
1703 | ||
1704 | if ((a = SMB_MALLOC(sizeof(struct SMB_ACL_T) + sizeof(struct acl))) == NULL) { | |
1705 | errno = ENOMEM; | |
1706 | return NULL; | |
1707 | } | |
1708 | ||
1709 | a->next = -1; | |
1710 | a->freeaclp = False; | |
1711 | a->aclp = (struct acl *)(&a->aclp + sizeof(struct acl *)); | |
1712 | a->aclp->acl_cnt = 0; | |
1713 | ||
1714 | return a; | |
1715 | } | |
1716 | ||
1717 | ||
1718 | int sys_acl_create_entry(SMB_ACL_T *acl_p, SMB_ACL_ENTRY_T *entry_p) | |
1719 | { | |
1720 | SMB_ACL_T acl_d; | |
1721 | SMB_ACL_ENTRY_T entry_d; | |
1722 | ||
1723 | if (acl_p == NULL || entry_p == NULL || (acl_d = *acl_p) == NULL) { | |
1724 | errno = EINVAL; | |
1725 | return -1; | |
1726 | } | |
1727 | ||
1728 | if (acl_d->aclp->acl_cnt >= ACL_MAX_ENTRIES) { | |
1729 | errno = ENOSPC; | |
1730 | return -1; | |
1731 | } | |
1732 | ||
1733 | entry_d = &acl_d->aclp->acl_entry[acl_d->aclp->acl_cnt++]; | |
1734 | entry_d->ae_tag = 0; | |
1735 | entry_d->ae_id = 0; | |
1736 | entry_d->ae_perm = 0; | |
1737 | *entry_p = entry_d; | |
1738 | ||
1739 | return 0; | |
1740 | } | |
1741 | ||
1742 | int sys_acl_set_tag_type(SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T tag_type) | |
1743 | { | |
1744 | switch (tag_type) { | |
1745 | case SMB_ACL_USER: | |
1746 | case SMB_ACL_USER_OBJ: | |
1747 | case SMB_ACL_GROUP: | |
1748 | case SMB_ACL_GROUP_OBJ: | |
1749 | case SMB_ACL_OTHER: | |
1750 | case SMB_ACL_MASK: | |
1751 | entry_d->ae_tag = tag_type; | |
1752 | break; | |
1753 | default: | |
1754 | errno = EINVAL; | |
1755 | return -1; | |
1756 | } | |
1757 | ||
1758 | return 0; | |
1759 | } | |
1760 | ||
1761 | int sys_acl_set_qualifier(SMB_ACL_ENTRY_T entry_d, void *qual_p) | |
1762 | { | |
1763 | if (entry_d->ae_tag != SMB_ACL_GROUP | |
1764 | && entry_d->ae_tag != SMB_ACL_USER) { | |
1765 | errno = EINVAL; | |
1766 | return -1; | |
1767 | } | |
1768 | ||
1769 | entry_d->ae_id = *((id_t *)qual_p); | |
1770 | ||
1771 | return 0; | |
1772 | } | |
1773 | ||
a30dcbc0 | 1774 | int sys_acl_set_access_bits(SMB_ACL_ENTRY_T entry_d, uint32 bits) |
1c3344a1 | 1775 | { |
a30dcbc0 | 1776 | entry_d->ae_perm = bits; |
1c3344a1 WD |
1777 | |
1778 | return 0; | |
1779 | } | |
1780 | ||
1781 | int sys_acl_valid(SMB_ACL_T acl_d) | |
1782 | { | |
1783 | return acl_valid(acl_d->aclp); | |
1784 | } | |
1785 | ||
1786 | int sys_acl_set_file(const char *name, SMB_ACL_TYPE_T type, SMB_ACL_T acl_d) | |
1787 | { | |
1788 | return acl_set_file(name, type, acl_d->aclp); | |
1789 | } | |
1790 | ||
1791 | int sys_acl_set_fd(int fd, SMB_ACL_T acl_d) | |
1792 | { | |
1793 | return acl_set_fd(fd, acl_d->aclp); | |
1794 | } | |
1795 | ||
1796 | int sys_acl_delete_def_file(const char *name) | |
1797 | { | |
1798 | return acl_delete_def_file(name); | |
1799 | } | |
1800 | ||
1c3344a1 WD |
1801 | int sys_acl_free_acl(SMB_ACL_T acl_d) |
1802 | { | |
1803 | if (acl_d->freeaclp) { | |
1804 | acl_free(acl_d->aclp); | |
1805 | } | |
1806 | acl_free(acl_d); | |
1807 | return 0; | |
1808 | } | |
1809 | ||
1810 | int sys_acl_free_qualifier(void *qual, SMB_ACL_TAG_T tagtype) | |
1811 | { | |
1812 | return 0; | |
1813 | } | |
1814 | ||
1815 | #elif defined(HAVE_AIX_ACLS) | |
1816 | ||
1817 | /* Donated by Medha Date, mdate@austin.ibm.com, for IBM */ | |
1818 | ||
1819 | int sys_acl_get_entry( SMB_ACL_T theacl, int entry_id, SMB_ACL_ENTRY_T *entry_p) | |
1820 | { | |
1821 | struct acl_entry_link *link; | |
1822 | struct new_acl_entry *entry; | |
1823 | int keep_going; | |
1824 | ||
1825 | DEBUG(10,("This is the count: %d\n",theacl->count)); | |
1826 | ||
1827 | /* Check if count was previously set to -1. * | |
1828 | * If it was, that means we reached the end * | |
1829 | * of the acl last time. */ | |
1830 | if(theacl->count == -1) | |
1831 | return(0); | |
1832 | ||
1833 | link = theacl; | |
1834 | /* To get to the next acl, traverse linked list until index * | |
1835 | * of acl matches the count we are keeping. This count is * | |
1836 | * incremented each time we return an acl entry. */ | |
1837 | ||
1838 | for(keep_going = 0; keep_going < theacl->count; keep_going++) | |
1839 | link = link->nextp; | |
1840 | ||
1841 | entry = *entry_p = link->entryp; | |
1842 | ||
1843 | DEBUG(10,("*entry_p is %d\n",entry_p)); | |
1844 | DEBUG(10,("*entry_p->ace_access is %d\n",entry->ace_access)); | |
1845 | ||
1846 | /* Increment count */ | |
1847 | theacl->count++; | |
1848 | if(link->nextp == NULL) | |
1849 | theacl->count = -1; | |
1850 | ||
1851 | return(1); | |
1852 | } | |
1853 | ||
1854 | int sys_acl_get_tag_type( SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *tag_type_p) | |
1855 | { | |
1856 | /* Initialize tag type */ | |
1857 | ||
1858 | *tag_type_p = -1; | |
1859 | DEBUG(10,("the tagtype is %d\n",entry_d->ace_id->id_type)); | |
1860 | ||
1861 | /* Depending on what type of entry we have, * | |
1862 | * return tag type. */ | |
1863 | switch(entry_d->ace_id->id_type) { | |
1864 | case ACEID_USER: | |
1865 | *tag_type_p = SMB_ACL_USER; | |
1866 | break; | |
1867 | case ACEID_GROUP: | |
1868 | *tag_type_p = SMB_ACL_GROUP; | |
1869 | break; | |
1870 | ||
1871 | case SMB_ACL_USER_OBJ: | |
1872 | case SMB_ACL_GROUP_OBJ: | |
1873 | case SMB_ACL_OTHER: | |
1874 | *tag_type_p = entry_d->ace_id->id_type; | |
1875 | break; | |
1876 | ||
1877 | default: | |
1878 | return(-1); | |
1879 | } | |
1880 | ||
1881 | return(0); | |
1882 | } | |
1883 | ||
a30dcbc0 | 1884 | int sys_acl_get_access_bits(SMB_ACL_ENTRY_T entry_d, uint32 *bits) |
1c3344a1 | 1885 | { |
a30dcbc0 WD |
1886 | SMB_ACL_PERMSET_T permset; |
1887 | DEBUG(10,("Starting AIX sys_acl_get_access_bits\n")); | |
1888 | permset = &entry_d->ace_access; | |
1889 | DEBUG(10,("*permset is %d\n",*permset)); | |
1890 | *bits = (*permset & S_IRUSR ? 4 : 0) | |
1891 | | (*permset & S_IWUSR ? 2 : 0) | |
1892 | | (*permset & S_IXUSR ? 1 : 0); | |
1893 | DEBUG(10,("Ending AIX sys_acl_get_access_bits\n")); | |
1c3344a1 WD |
1894 | return(0); |
1895 | } | |
1896 | ||
1897 | void *sys_acl_get_qualifier( SMB_ACL_ENTRY_T entry_d) | |
1898 | { | |
1899 | return(entry_d->ace_id->id_data); | |
1900 | } | |
1901 | ||
1902 | SMB_ACL_T sys_acl_get_file( const char *path_p, SMB_ACL_TYPE_T type) | |
1903 | { | |
1904 | struct acl *file_acl = (struct acl *)NULL; | |
1905 | struct acl_entry *acl_entry; | |
1906 | struct new_acl_entry *new_acl_entry; | |
1907 | struct ace_id *idp; | |
1908 | struct acl_entry_link *acl_entry_link; | |
1909 | struct acl_entry_link *acl_entry_link_head; | |
1910 | int i; | |
1911 | int rc = 0; | |
1912 | uid_t user_id; | |
1913 | ||
1914 | /* AIX has no DEFAULT */ | |
1915 | if ( type == SMB_ACL_TYPE_DEFAULT ) { | |
1916 | errno = ENOTSUP; | |
1917 | return NULL; | |
1918 | } | |
1919 | ||
1920 | /* Get the acl using statacl */ | |
1921 | ||
1922 | DEBUG(10,("Entering sys_acl_get_file\n")); | |
1923 | DEBUG(10,("path_p is %s\n",path_p)); | |
1924 | ||
1925 | file_acl = (struct acl *)SMB_MALLOC(BUFSIZ); | |
1926 | ||
1927 | if(file_acl == NULL) { | |
1928 | errno=ENOMEM; | |
1929 | DEBUG(0,("Error in AIX sys_acl_get_file: %d\n",errno)); | |
1930 | return(NULL); | |
1931 | } | |
1932 | ||
1933 | memset(file_acl,0,BUFSIZ); | |
1934 | ||
1935 | rc = statacl((char *)path_p,0,file_acl,BUFSIZ); | |
1936 | if(rc == -1) { | |
1937 | DEBUG(0,("statacl returned %d with errno %d\n",rc,errno)); | |
1938 | SAFE_FREE(file_acl); | |
1939 | return(NULL); | |
1940 | } | |
1941 | ||
1942 | DEBUG(10,("Got facl and returned it\n")); | |
1943 | ||
1944 | /* Point to the first acl entry in the acl */ | |
1945 | acl_entry = file_acl->acl_ext; | |
1946 | ||
1947 | /* Begin setting up the head of the linked list * | |
1948 | * that will be used for the storing the acl * | |
1949 | * in a way that is useful for the posix_acls.c * | |
1950 | * code. */ | |
1951 | ||
1952 | acl_entry_link_head = acl_entry_link = sys_acl_init(0); | |
1953 | if(acl_entry_link_head == NULL) | |
1954 | return(NULL); | |
1955 | ||
1956 | acl_entry_link->entryp = SMB_MALLOC_P(struct new_acl_entry); | |
1957 | if(acl_entry_link->entryp == NULL) { | |
1958 | SAFE_FREE(file_acl); | |
1959 | errno = ENOMEM; | |
1960 | DEBUG(0,("Error in AIX sys_acl_get_file is %d\n",errno)); | |
1961 | return(NULL); | |
1962 | } | |
1963 | ||
1964 | DEBUG(10,("acl_entry is %d\n",acl_entry)); | |
1965 | DEBUG(10,("acl_last(file_acl) id %d\n",acl_last(file_acl))); | |
1966 | ||
1967 | /* Check if the extended acl bit is on. * | |
1968 | * If it isn't, do not show the * | |
1969 | * contents of the acl since AIX intends * | |
1970 | * the extended info to remain unused */ | |
1971 | ||
1972 | if(file_acl->acl_mode & S_IXACL){ | |
1973 | /* while we are not pointing to the very end */ | |
1974 | while(acl_entry < acl_last(file_acl)) { | |
1975 | /* before we malloc anything, make sure this is */ | |
1976 | /* a valid acl entry and one that we want to map */ | |
1977 | idp = id_nxt(acl_entry->ace_id); | |
1978 | if((acl_entry->ace_type == ACC_SPECIFY || | |
1979 | (acl_entry->ace_type == ACC_PERMIT)) && (idp != id_last(acl_entry))) { | |
1980 | acl_entry = acl_nxt(acl_entry); | |
1981 | continue; | |
1982 | } | |
1983 | ||
1984 | idp = acl_entry->ace_id; | |
1985 | ||
1986 | /* Check if this is the first entry in the linked list. * | |
1987 | * The first entry needs to keep prevp pointing to NULL * | |
1988 | * and already has entryp allocated. */ | |
1989 | ||
1990 | if(acl_entry_link_head->count != 0) { | |
1991 | acl_entry_link->nextp = SMB_MALLOC_P(struct acl_entry_link); | |
1992 | ||
1993 | if(acl_entry_link->nextp == NULL) { | |
1994 | SAFE_FREE(file_acl); | |
1995 | errno = ENOMEM; | |
1996 | DEBUG(0,("Error in AIX sys_acl_get_file is %d\n",errno)); | |
1997 | return(NULL); | |
1998 | } | |
1999 | ||
2000 | acl_entry_link->nextp->prevp = acl_entry_link; | |
2001 | acl_entry_link = acl_entry_link->nextp; | |
2002 | acl_entry_link->entryp = SMB_MALLOC_P(struct new_acl_entry); | |
2003 | if(acl_entry_link->entryp == NULL) { | |
2004 | SAFE_FREE(file_acl); | |
2005 | errno = ENOMEM; | |
2006 | DEBUG(0,("Error in AIX sys_acl_get_file is %d\n",errno)); | |
2007 | return(NULL); | |
2008 | } | |
2009 | acl_entry_link->nextp = NULL; | |
2010 | } | |
2011 | ||
2012 | acl_entry_link->entryp->ace_len = acl_entry->ace_len; | |
2013 | ||
2014 | /* Don't really need this since all types are going * | |
2015 | * to be specified but, it's better than leaving it 0 */ | |
2016 | ||
2017 | acl_entry_link->entryp->ace_type = acl_entry->ace_type; | |
2018 | ||
2019 | acl_entry_link->entryp->ace_access = acl_entry->ace_access; | |
2020 | ||
2021 | memcpy(acl_entry_link->entryp->ace_id,idp,sizeof(struct ace_id)); | |
2022 | ||
2023 | /* The access in the acl entries must be left shifted by * | |
2024 | * three bites, because they will ultimately be compared * | |
2025 | * to S_IRUSR, S_IWUSR, and S_IXUSR. */ | |
2026 | ||
2027 | switch(acl_entry->ace_type){ | |
2028 | case ACC_PERMIT: | |
2029 | case ACC_SPECIFY: | |
2030 | acl_entry_link->entryp->ace_access = acl_entry->ace_access; | |
2031 | acl_entry_link->entryp->ace_access <<= 6; | |
2032 | acl_entry_link_head->count++; | |
2033 | break; | |
2034 | case ACC_DENY: | |
2035 | /* Since there is no way to return a DENY acl entry * | |
2036 | * change to PERMIT and then shift. */ | |
2037 | DEBUG(10,("acl_entry->ace_access is %d\n",acl_entry->ace_access)); | |
2038 | acl_entry_link->entryp->ace_access = ~acl_entry->ace_access & 7; | |
2039 | DEBUG(10,("acl_entry_link->entryp->ace_access is %d\n",acl_entry_link->entryp->ace_access)); | |
2040 | acl_entry_link->entryp->ace_access <<= 6; | |
2041 | acl_entry_link_head->count++; | |
2042 | break; | |
2043 | default: | |
2044 | return(0); | |
2045 | } | |
2046 | ||
2047 | DEBUG(10,("acl_entry = %d\n",acl_entry)); | |
2048 | DEBUG(10,("The ace_type is %d\n",acl_entry->ace_type)); | |
2049 | ||
2050 | acl_entry = acl_nxt(acl_entry); | |
2051 | } | |
2052 | } /* end of if enabled */ | |
2053 | ||
2054 | /* Since owner, group, other acl entries are not * | |
2055 | * part of the acl entries in an acl, they must * | |
2056 | * be dummied up to become part of the list. */ | |
2057 | ||
2058 | for( i = 1; i < 4; i++) { | |
2059 | DEBUG(10,("i is %d\n",i)); | |
2060 | if(acl_entry_link_head->count != 0) { | |
2061 | acl_entry_link->nextp = SMB_MALLOC_P(struct acl_entry_link); | |
2062 | if(acl_entry_link->nextp == NULL) { | |
2063 | SAFE_FREE(file_acl); | |
2064 | errno = ENOMEM; | |
2065 | DEBUG(0,("Error in AIX sys_acl_get_file is %d\n",errno)); | |
2066 | return(NULL); | |
2067 | } | |
2068 | ||
2069 | acl_entry_link->nextp->prevp = acl_entry_link; | |
2070 | acl_entry_link = acl_entry_link->nextp; | |
2071 | acl_entry_link->entryp = SMB_MALLOC_P(struct new_acl_entry); | |
2072 | if(acl_entry_link->entryp == NULL) { | |
2073 | SAFE_FREE(file_acl); | |
2074 | errno = ENOMEM; | |
2075 | DEBUG(0,("Error in AIX sys_acl_get_file is %d\n",errno)); | |
2076 | return(NULL); | |
2077 | } | |
2078 | } | |
2079 | ||
2080 | acl_entry_link->nextp = NULL; | |
2081 | ||
2082 | new_acl_entry = acl_entry_link->entryp; | |
2083 | idp = new_acl_entry->ace_id; | |
2084 | ||
2085 | new_acl_entry->ace_len = sizeof(struct acl_entry); | |
2086 | new_acl_entry->ace_type = ACC_PERMIT; | |
2087 | idp->id_len = sizeof(struct ace_id); | |
2088 | DEBUG(10,("idp->id_len = %d\n",idp->id_len)); | |
2089 | memset(idp->id_data,0,sizeof(uid_t)); | |
2090 | ||
2091 | switch(i) { | |
2092 | case 2: | |
2093 | new_acl_entry->ace_access = file_acl->g_access << 6; | |
2094 | idp->id_type = SMB_ACL_GROUP_OBJ; | |
2095 | break; | |
2096 | ||
2097 | case 3: | |
2098 | new_acl_entry->ace_access = file_acl->o_access << 6; | |
2099 | idp->id_type = SMB_ACL_OTHER; | |
2100 | break; | |
2101 | ||
2102 | case 1: | |
2103 | new_acl_entry->ace_access = file_acl->u_access << 6; | |
2104 | idp->id_type = SMB_ACL_USER_OBJ; | |
2105 | break; | |
2106 | ||
2107 | default: | |
2108 | return(NULL); | |
2109 | ||
2110 | } | |
2111 | ||
2112 | acl_entry_link_head->count++; | |
2113 | DEBUG(10,("new_acl_entry->ace_access = %d\n",new_acl_entry->ace_access)); | |
2114 | } | |
2115 | ||
2116 | acl_entry_link_head->count = 0; | |
2117 | SAFE_FREE(file_acl); | |
2118 | ||
2119 | return(acl_entry_link_head); | |
2120 | } | |
2121 | ||
a30dcbc0 | 2122 | #if 0 |
1c3344a1 WD |
2123 | SMB_ACL_T sys_acl_get_fd(int fd) |
2124 | { | |
2125 | struct acl *file_acl = (struct acl *)NULL; | |
2126 | struct acl_entry *acl_entry; | |
2127 | struct new_acl_entry *new_acl_entry; | |
2128 | struct ace_id *idp; | |
2129 | struct acl_entry_link *acl_entry_link; | |
2130 | struct acl_entry_link *acl_entry_link_head; | |
2131 | int i; | |
2132 | int rc = 0; | |
2133 | uid_t user_id; | |
2134 | ||
2135 | /* Get the acl using fstatacl */ | |
2136 | ||
2137 | DEBUG(10,("Entering sys_acl_get_fd\n")); | |
2138 | DEBUG(10,("fd is %d\n",fd)); | |
2139 | file_acl = (struct acl *)SMB_MALLOC(BUFSIZ); | |
2140 | ||
2141 | if(file_acl == NULL) { | |
2142 | errno=ENOMEM; | |
2143 | DEBUG(0,("Error in sys_acl_get_fd is %d\n",errno)); | |
2144 | return(NULL); | |
2145 | } | |
2146 | ||
2147 | memset(file_acl,0,BUFSIZ); | |
2148 | ||
2149 | rc = fstatacl(fd,0,file_acl,BUFSIZ); | |
2150 | if(rc == -1) { | |
2151 | DEBUG(0,("The fstatacl call returned %d with errno %d\n",rc,errno)); | |
2152 | SAFE_FREE(file_acl); | |
2153 | return(NULL); | |
2154 | } | |
2155 | ||
2156 | DEBUG(10,("Got facl and returned it\n")); | |
2157 | ||
2158 | /* Point to the first acl entry in the acl */ | |
2159 | ||
2160 | acl_entry = file_acl->acl_ext; | |
2161 | /* Begin setting up the head of the linked list * | |
2162 | * that will be used for the storing the acl * | |
2163 | * in a way that is useful for the posix_acls.c * | |
2164 | * code. */ | |
2165 | ||
2166 | acl_entry_link_head = acl_entry_link = sys_acl_init(0); | |
2167 | if(acl_entry_link_head == NULL){ | |
2168 | SAFE_FREE(file_acl); | |
2169 | return(NULL); | |
2170 | } | |
2171 | ||
2172 | acl_entry_link->entryp = SMB_MALLOC_P(struct new_acl_entry); | |
2173 | ||
2174 | if(acl_entry_link->entryp == NULL) { | |
2175 | errno = ENOMEM; | |
2176 | DEBUG(0,("Error in sys_acl_get_fd is %d\n",errno)); | |
2177 | SAFE_FREE(file_acl); | |
2178 | return(NULL); | |
2179 | } | |
2180 | ||
2181 | DEBUG(10,("acl_entry is %d\n",acl_entry)); | |
2182 | DEBUG(10,("acl_last(file_acl) id %d\n",acl_last(file_acl))); | |
2183 | ||
2184 | /* Check if the extended acl bit is on. * | |
2185 | * If it isn't, do not show the * | |
2186 | * contents of the acl since AIX intends * | |
2187 | * the extended info to remain unused */ | |
2188 | ||
2189 | if(file_acl->acl_mode & S_IXACL){ | |
2190 | /* while we are not pointing to the very end */ | |
2191 | while(acl_entry < acl_last(file_acl)) { | |
2192 | /* before we malloc anything, make sure this is */ | |
2193 | /* a valid acl entry and one that we want to map */ | |
2194 | ||
2195 | idp = id_nxt(acl_entry->ace_id); | |
2196 | if((acl_entry->ace_type == ACC_SPECIFY || | |
2197 | (acl_entry->ace_type == ACC_PERMIT)) && (idp != id_last(acl_entry))) { | |
2198 | acl_entry = acl_nxt(acl_entry); | |
2199 | continue; | |
2200 | } | |
2201 | ||
2202 | idp = acl_entry->ace_id; | |
2203 | ||
2204 | /* Check if this is the first entry in the linked list. * | |
2205 | * The first entry needs to keep prevp pointing to NULL * | |
2206 | * and already has entryp allocated. */ | |
2207 | ||
2208 | if(acl_entry_link_head->count != 0) { | |
2209 | acl_entry_link->nextp = SMB_MALLOC_P(struct acl_entry_link); | |
2210 | if(acl_entry_link->nextp == NULL) { | |
2211 | errno = ENOMEM; | |
2212 | DEBUG(0,("Error in sys_acl_get_fd is %d\n",errno)); | |
2213 | SAFE_FREE(file_acl); | |
2214 | return(NULL); | |
2215 | } | |
2216 | acl_entry_link->nextp->prevp = acl_entry_link; | |
2217 | acl_entry_link = acl_entry_link->nextp; | |
2218 | acl_entry_link->entryp = SMB_MALLOC_P(struct new_acl_entry); | |
2219 | if(acl_entry_link->entryp == NULL) { | |
2220 | errno = ENOMEM; | |
2221 | DEBUG(0,("Error in sys_acl_get_fd is %d\n",errno)); | |
2222 | SAFE_FREE(file_acl); | |
2223 | return(NULL); | |
2224 | } | |
2225 | ||
2226 | acl_entry_link->nextp = NULL; | |
2227 | } | |
2228 | ||
2229 | acl_entry_link->entryp->ace_len = acl_entry->ace_len; | |
2230 | ||
2231 | /* Don't really need this since all types are going * | |
2232 | * to be specified but, it's better than leaving it 0 */ | |
2233 | ||
2234 | acl_entry_link->entryp->ace_type = acl_entry->ace_type; | |
2235 | acl_entry_link->entryp->ace_access = acl_entry->ace_access; | |
2236 | ||
2237 | memcpy(acl_entry_link->entryp->ace_id, idp, sizeof(struct ace_id)); | |
2238 | ||
2239 | /* The access in the acl entries must be left shifted by * | |
2240 | * three bites, because they will ultimately be compared * | |
2241 | * to S_IRUSR, S_IWUSR, and S_IXUSR. */ | |
2242 | ||
2243 | switch(acl_entry->ace_type){ | |
2244 | case ACC_PERMIT: | |
2245 | case ACC_SPECIFY: | |
2246 | acl_entry_link->entryp->ace_access = acl_entry->ace_access; | |
2247 | acl_entry_link->entryp->ace_access <<= 6; | |
2248 | acl_entry_link_head->count++; | |
2249 | break; | |
2250 | case ACC_DENY: | |
2251 | /* Since there is no way to return a DENY acl entry * | |
2252 | * change to PERMIT and then shift. */ | |
2253 | DEBUG(10,("acl_entry->ace_access is %d\n",acl_entry->ace_access)); | |
2254 | acl_entry_link->entryp->ace_access = ~acl_entry->ace_access & 7; | |
2255 | DEBUG(10,("acl_entry_link->entryp->ace_access is %d\n",acl_entry_link->entryp->ace_access)); | |
2256 | acl_entry_link->entryp->ace_access <<= 6; | |
2257 | acl_entry_link_head->count++; | |
2258 | break; | |
2259 | default: | |
2260 | return(0); | |
2261 | } | |
2262 | ||
2263 | DEBUG(10,("acl_entry = %d\n",acl_entry)); | |
2264 | DEBUG(10,("The ace_type is %d\n",acl_entry->ace_type)); | |
2265 | ||
2266 | acl_entry = acl_nxt(acl_entry); | |
2267 | } | |
2268 | } /* end of if enabled */ | |
2269 | ||
2270 | /* Since owner, group, other acl entries are not * | |
2271 | * part of the acl entries in an acl, they must * | |
2272 | * be dummied up to become part of the list. */ | |
2273 | ||
2274 | for( i = 1; i < 4; i++) { | |
2275 | DEBUG(10,("i is %d\n",i)); | |
2276 | if(acl_entry_link_head->count != 0){ | |
2277 | acl_entry_link->nextp = SMB_MALLOC_P(struct acl_entry_link); | |
2278 | if(acl_entry_link->nextp == NULL) { | |
2279 | errno = ENOMEM; | |
2280 | DEBUG(0,("Error in sys_acl_get_fd is %d\n",errno)); | |
2281 | SAFE_FREE(file_acl); | |
2282 | return(NULL); | |
2283 | } | |
2284 | ||
2285 | acl_entry_link->nextp->prevp = acl_entry_link; | |
2286 | acl_entry_link = acl_entry_link->nextp; | |
2287 | acl_entry_link->entryp = SMB_MALLOC_P(struct new_acl_entry); | |
2288 | ||
2289 | if(acl_entry_link->entryp == NULL) { | |
2290 | SAFE_FREE(file_acl); | |
2291 | errno = ENOMEM; | |
2292 | DEBUG(0,("Error in sys_acl_get_fd is %d\n",errno)); | |
2293 | return(NULL); | |
2294 | } | |
2295 | } | |
2296 | ||
2297 | acl_entry_link->nextp = NULL; | |
2298 | ||
2299 | new_acl_entry = acl_entry_link->entryp; | |
2300 | idp = new_acl_entry->ace_id; | |
2301 | ||
2302 | new_acl_entry->ace_len = sizeof(struct acl_entry); | |
2303 | new_acl_entry->ace_type = ACC_PERMIT; | |
2304 | idp->id_len = sizeof(struct ace_id); | |
2305 | DEBUG(10,("idp->id_len = %d\n",idp->id_len)); | |
2306 | memset(idp->id_data,0,sizeof(uid_t)); | |
2307 | ||
2308 | switch(i) { | |
2309 | case 2: | |
2310 | new_acl_entry->ace_access = file_acl->g_access << 6; | |
2311 | idp->id_type = SMB_ACL_GROUP_OBJ; | |
2312 | break; | |
2313 | ||
2314 | case 3: | |
2315 | new_acl_entry->ace_access = file_acl->o_access << 6; | |
2316 | idp->id_type = SMB_ACL_OTHER; | |
2317 | break; | |
2318 | ||
2319 | case 1: | |
2320 | new_acl_entry->ace_access = file_acl->u_access << 6; | |
2321 | idp->id_type = SMB_ACL_USER_OBJ; | |
2322 | break; | |
2323 | ||
2324 | default: | |
2325 | return(NULL); | |
2326 | } | |
2327 | ||
2328 | acl_entry_link_head->count++; | |
2329 | DEBUG(10,("new_acl_entry->ace_access = %d\n",new_acl_entry->ace_access)); | |
2330 | } | |
2331 | ||
2332 | acl_entry_link_head->count = 0; | |
2333 | SAFE_FREE(file_acl); | |
2334 | ||
2335 | return(acl_entry_link_head); | |
2336 | } | |
a30dcbc0 | 2337 | #endif |
1c3344a1 WD |
2338 | |
2339 | SMB_ACL_T sys_acl_init( int count) | |
2340 | { | |
2341 | struct acl_entry_link *theacl = NULL; | |
2342 | ||
2343 | DEBUG(10,("Entering sys_acl_init\n")); | |
2344 | ||
2345 | theacl = SMB_MALLOC_P(struct acl_entry_link); | |
2346 | if(theacl == NULL) { | |
2347 | errno = ENOMEM; | |
2348 | DEBUG(0,("Error in sys_acl_init is %d\n",errno)); | |
2349 | return(NULL); | |
2350 | } | |
2351 | ||
2352 | theacl->count = 0; | |
2353 | theacl->nextp = NULL; | |
2354 | theacl->prevp = NULL; | |
2355 | theacl->entryp = NULL; | |
2356 | DEBUG(10,("Exiting sys_acl_init\n")); | |
2357 | return(theacl); | |
2358 | } | |
2359 | ||
2360 | int sys_acl_create_entry( SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry) | |
2361 | { | |
2362 | struct acl_entry_link *theacl; | |
2363 | struct acl_entry_link *acl_entryp; | |
2364 | struct acl_entry_link *temp_entry; | |
2365 | int counting; | |
2366 | ||
2367 | DEBUG(10,("Entering the sys_acl_create_entry\n")); | |
2368 | ||
2369 | theacl = acl_entryp = *pacl; | |
2370 | ||
2371 | /* Get to the end of the acl before adding entry */ | |
2372 | ||
2373 | for(counting=0; counting < theacl->count; counting++){ | |
2374 | DEBUG(10,("The acl_entryp is %d\n",acl_entryp)); | |
2375 | temp_entry = acl_entryp; | |
2376 | acl_entryp = acl_entryp->nextp; | |
2377 | } | |
2378 | ||
2379 | if(theacl->count != 0){ | |
2380 | temp_entry->nextp = acl_entryp = SMB_MALLOC_P(struct acl_entry_link); | |
2381 | if(acl_entryp == NULL) { | |
2382 | errno = ENOMEM; | |
2383 | DEBUG(0,("Error in sys_acl_create_entry is %d\n",errno)); | |
2384 | return(-1); | |
2385 | } | |
2386 | ||
2387 | DEBUG(10,("The acl_entryp is %d\n",acl_entryp)); | |
2388 | acl_entryp->prevp = temp_entry; | |
2389 | DEBUG(10,("The acl_entryp->prevp is %d\n",acl_entryp->prevp)); | |
2390 | } | |
2391 | ||
2392 | *pentry = acl_entryp->entryp = SMB_MALLOC_P(struct new_acl_entry); | |
2393 | if(*pentry == NULL) { | |
2394 | errno = ENOMEM; | |
2395 | DEBUG(0,("Error in sys_acl_create_entry is %d\n",errno)); | |
2396 | return(-1); | |
2397 | } | |
2398 | ||
2399 | memset(*pentry,0,sizeof(struct new_acl_entry)); | |
2400 | acl_entryp->entryp->ace_len = sizeof(struct acl_entry); | |
2401 | acl_entryp->entryp->ace_type = ACC_PERMIT; | |
2402 | acl_entryp->entryp->ace_id->id_len = sizeof(struct ace_id); | |
2403 | acl_entryp->nextp = NULL; | |
2404 | theacl->count++; | |
2405 | DEBUG(10,("Exiting sys_acl_create_entry\n")); | |
2406 | return(0); | |
2407 | } | |
2408 | ||
2409 | int sys_acl_set_tag_type( SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tagtype) | |
2410 | { | |
2411 | DEBUG(10,("Starting AIX sys_acl_set_tag_type\n")); | |
2412 | entry->ace_id->id_type = tagtype; | |
2413 | DEBUG(10,("The tag type is %d\n",entry->ace_id->id_type)); | |
2414 | DEBUG(10,("Ending AIX sys_acl_set_tag_type\n")); | |
2415 | } | |
2416 | ||
2417 | int sys_acl_set_qualifier( SMB_ACL_ENTRY_T entry, void *qual) | |
2418 | { | |
2419 | DEBUG(10,("Starting AIX sys_acl_set_qualifier\n")); | |
2420 | memcpy(entry->ace_id->id_data,qual,sizeof(uid_t)); | |
2421 | DEBUG(10,("Ending AIX sys_acl_set_qualifier\n")); | |
2422 | return(0); | |
2423 | } | |
2424 | ||
a30dcbc0 | 2425 | int sys_acl_set_access_bits(SMB_ACL_ENTRY_T entry, uint32 bits) |
1c3344a1 WD |
2426 | { |
2427 | DEBUG(10,("Starting AIX sys_acl_set_permset\n")); | |
a30dcbc0 | 2428 | entry->ace_access = bits; |
1c3344a1 WD |
2429 | DEBUG(10,("entry->ace_access = %d\n",entry->ace_access)); |
2430 | DEBUG(10,("Ending AIX sys_acl_set_permset\n")); | |
2431 | return(0); | |
2432 | } | |
2433 | ||
2434 | int sys_acl_valid( SMB_ACL_T theacl ) | |
2435 | { | |
2436 | int user_obj = 0; | |
2437 | int group_obj = 0; | |
2438 | int other_obj = 0; | |
2439 | struct acl_entry_link *acl_entry; | |
2440 | ||
2441 | for(acl_entry=theacl; acl_entry != NULL; acl_entry = acl_entry->nextp) { | |
2442 | user_obj += (acl_entry->entryp->ace_id->id_type == SMB_ACL_USER_OBJ); | |
2443 | group_obj += (acl_entry->entryp->ace_id->id_type == SMB_ACL_GROUP_OBJ); | |
2444 | other_obj += (acl_entry->entryp->ace_id->id_type == SMB_ACL_OTHER); | |
2445 | } | |
2446 | ||
2447 | DEBUG(10,("user_obj=%d, group_obj=%d, other_obj=%d\n",user_obj,group_obj,other_obj)); | |
2448 | ||
2449 | if(user_obj != 1 || group_obj != 1 || other_obj != 1) | |
2450 | return(-1); | |
2451 | ||
2452 | return(0); | |
2453 | } | |
2454 | ||
2455 | int sys_acl_set_file( const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl) | |
2456 | { | |
2457 | struct acl_entry_link *acl_entry_link = NULL; | |
2458 | struct acl *file_acl = NULL; | |
2459 | struct acl *file_acl_temp = NULL; | |
2460 | struct acl_entry *acl_entry = NULL; | |
2461 | struct ace_id *ace_id = NULL; | |
2462 | uint id_type; | |
2463 | uint ace_access; | |
2464 | uint user_id; | |
2465 | uint acl_length; | |
2466 | uint rc; | |
2467 | ||
2468 | DEBUG(10,("Entering sys_acl_set_file\n")); | |
2469 | DEBUG(10,("File name is %s\n",name)); | |
2470 | ||
2471 | /* AIX has no default ACL */ | |
2472 | if(acltype == SMB_ACL_TYPE_DEFAULT) | |
2473 | return(0); | |
2474 | ||
2475 | acl_length = BUFSIZ; | |
2476 | file_acl = (struct acl *)SMB_MALLOC(BUFSIZ); | |
2477 | ||
2478 | if(file_acl == NULL) { | |
2479 | errno = ENOMEM; | |
2480 | DEBUG(0,("Error in sys_acl_set_file is %d\n",errno)); | |
2481 | return(-1); | |
2482 | } | |
2483 | ||
2484 | memset(file_acl,0,BUFSIZ); | |
2485 | ||
2486 | file_acl->acl_len = ACL_SIZ; | |
2487 | file_acl->acl_mode = S_IXACL; | |
2488 | ||
2489 | for(acl_entry_link=theacl; acl_entry_link != NULL; acl_entry_link = acl_entry_link->nextp) { | |
2490 | acl_entry_link->entryp->ace_access >>= 6; | |
2491 | id_type = acl_entry_link->entryp->ace_id->id_type; | |
2492 | ||
2493 | switch(id_type) { | |
2494 | case SMB_ACL_USER_OBJ: | |
2495 | file_acl->u_access = acl_entry_link->entryp->ace_access; | |
2496 | continue; | |
2497 | case SMB_ACL_GROUP_OBJ: | |
2498 | file_acl->g_access = acl_entry_link->entryp->ace_access; | |
2499 | continue; | |
2500 | case SMB_ACL_OTHER: | |
2501 | file_acl->o_access = acl_entry_link->entryp->ace_access; | |
2502 | continue; | |
2503 | case SMB_ACL_MASK: | |
2504 | continue; | |
2505 | } | |
2506 | ||
2507 | if((file_acl->acl_len + sizeof(struct acl_entry)) > acl_length) { | |
2508 | acl_length += sizeof(struct acl_entry); | |
2509 | file_acl_temp = (struct acl *)SMB_MALLOC(acl_length); | |
2510 | if(file_acl_temp == NULL) { | |
2511 | SAFE_FREE(file_acl); | |
2512 | errno = ENOMEM; | |
2513 | DEBUG(0,("Error in sys_acl_set_file is %d\n",errno)); | |
2514 | return(-1); | |
2515 | } | |
2516 | ||
2517 | memcpy(file_acl_temp,file_acl,file_acl->acl_len); | |
2518 | SAFE_FREE(file_acl); | |
2519 | file_acl = file_acl_temp; | |
2520 | } | |
2521 | ||
2522 | acl_entry = (struct acl_entry *)((char *)file_acl + file_acl->acl_len); | |
2523 | file_acl->acl_len += sizeof(struct acl_entry); | |
2524 | acl_entry->ace_len = acl_entry_link->entryp->ace_len; | |
2525 | acl_entry->ace_access = acl_entry_link->entryp->ace_access; | |
2526 | ||
2527 | /* In order to use this, we'll need to wait until we can get denies */ | |
2528 | /* if(!acl_entry->ace_access && acl_entry->ace_type == ACC_PERMIT) | |
2529 | acl_entry->ace_type = ACC_SPECIFY; */ | |
2530 | ||
2531 | acl_entry->ace_type = ACC_SPECIFY; | |
2532 | ||
2533 | ace_id = acl_entry->ace_id; | |
2534 | ||
2535 | ace_id->id_type = acl_entry_link->entryp->ace_id->id_type; | |
2536 | DEBUG(10,("The id type is %d\n",ace_id->id_type)); | |
2537 | ace_id->id_len = acl_entry_link->entryp->ace_id->id_len; | |
2538 | memcpy(&user_id, acl_entry_link->entryp->ace_id->id_data, sizeof(uid_t)); | |
2539 | memcpy(acl_entry->ace_id->id_data, &user_id, sizeof(uid_t)); | |
2540 | } | |
2541 | ||
2542 | rc = chacl(name,file_acl,file_acl->acl_len); | |
2543 | DEBUG(10,("errno is %d\n",errno)); | |
2544 | DEBUG(10,("return code is %d\n",rc)); | |
2545 | SAFE_FREE(file_acl); | |
2546 | DEBUG(10,("Exiting the sys_acl_set_file\n")); | |
2547 | return(rc); | |
2548 | } | |
2549 | ||
2550 | int sys_acl_set_fd( int fd, SMB_ACL_T theacl) | |
2551 | { | |
2552 | struct acl_entry_link *acl_entry_link = NULL; | |
2553 | struct acl *file_acl = NULL; | |
2554 | struct acl *file_acl_temp = NULL; | |
2555 | struct acl_entry *acl_entry = NULL; | |
2556 | struct ace_id *ace_id = NULL; | |
2557 | uint id_type; | |
2558 | uint user_id; | |
2559 | uint acl_length; | |
2560 | uint rc; | |
2561 | ||
2562 | DEBUG(10,("Entering sys_acl_set_fd\n")); | |
2563 | acl_length = BUFSIZ; | |
2564 | file_acl = (struct acl *)SMB_MALLOC(BUFSIZ); | |
2565 | ||
2566 | if(file_acl == NULL) { | |
2567 | errno = ENOMEM; | |
2568 | DEBUG(0,("Error in sys_acl_set_fd is %d\n",errno)); | |
2569 | return(-1); | |
2570 | } | |
2571 | ||
2572 | memset(file_acl,0,BUFSIZ); | |
2573 | ||
2574 | file_acl->acl_len = ACL_SIZ; | |
2575 | file_acl->acl_mode = S_IXACL; | |
2576 | ||
2577 | for(acl_entry_link=theacl; acl_entry_link != NULL; acl_entry_link = acl_entry_link->nextp) { | |
2578 | acl_entry_link->entryp->ace_access >>= 6; | |
2579 | id_type = acl_entry_link->entryp->ace_id->id_type; | |
2580 | DEBUG(10,("The id_type is %d\n",id_type)); | |
2581 | ||
2582 | switch(id_type) { | |
2583 | case SMB_ACL_USER_OBJ: | |
2584 | file_acl->u_access = acl_entry_link->entryp->ace_access; | |
2585 | continue; | |
2586 | case SMB_ACL_GROUP_OBJ: | |
2587 | file_acl->g_access = acl_entry_link->entryp->ace_access; | |
2588 | continue; | |
2589 | case SMB_ACL_OTHER: | |
2590 | file_acl->o_access = acl_entry_link->entryp->ace_access; | |
2591 | continue; | |
2592 | case SMB_ACL_MASK: | |
2593 | continue; | |
2594 | } | |
2595 | ||
2596 | if((file_acl->acl_len + sizeof(struct acl_entry)) > acl_length) { | |
2597 | acl_length += sizeof(struct acl_entry); | |
2598 | file_acl_temp = (struct acl *)SMB_MALLOC(acl_length); | |
2599 | if(file_acl_temp == NULL) { | |
2600 | SAFE_FREE(file_acl); | |
2601 | errno = ENOMEM; | |
2602 | DEBUG(0,("Error in sys_acl_set_fd is %d\n",errno)); | |
2603 | return(-1); | |
2604 | } | |
2605 | ||
2606 | memcpy(file_acl_temp,file_acl,file_acl->acl_len); | |
2607 | SAFE_FREE(file_acl); | |
2608 | file_acl = file_acl_temp; | |
2609 | } | |
2610 | ||
2611 | acl_entry = (struct acl_entry *)((char *)file_acl + file_acl->acl_len); | |
2612 | file_acl->acl_len += sizeof(struct acl_entry); | |
2613 | acl_entry->ace_len = acl_entry_link->entryp->ace_len; | |
2614 | acl_entry->ace_access = acl_entry_link->entryp->ace_access; | |
2615 | ||
2616 | /* In order to use this, we'll need to wait until we can get denies */ | |
2617 | /* if(!acl_entry->ace_access && acl_entry->ace_type == ACC_PERMIT) | |
2618 | acl_entry->ace_type = ACC_SPECIFY; */ | |
2619 | ||
2620 | acl_entry->ace_type = ACC_SPECIFY; | |
2621 | ||
2622 | ace_id = acl_entry->ace_id; | |
2623 | ||
2624 | ace_id->id_type = acl_entry_link->entryp->ace_id->id_type; | |
2625 | DEBUG(10,("The id type is %d\n",ace_id->id_type)); | |
2626 | ace_id->id_len = acl_entry_link->entryp->ace_id->id_len; | |
2627 | memcpy(&user_id, acl_entry_link->entryp->ace_id->id_data, sizeof(uid_t)); | |
2628 | memcpy(ace_id->id_data, &user_id, sizeof(uid_t)); | |
2629 | } | |
2630 | ||
2631 | rc = fchacl(fd,file_acl,file_acl->acl_len); | |
2632 | DEBUG(10,("errno is %d\n",errno)); | |
2633 | DEBUG(10,("return code is %d\n",rc)); | |
2634 | SAFE_FREE(file_acl); | |
2635 | DEBUG(10,("Exiting sys_acl_set_fd\n")); | |
2636 | return(rc); | |
2637 | } | |
2638 | ||
2639 | int sys_acl_delete_def_file(const char *name) | |
2640 | { | |
2641 | /* AIX has no default ACL */ | |
2642 | return 0; | |
2643 | } | |
2644 | ||
1c3344a1 WD |
2645 | int sys_acl_free_acl(SMB_ACL_T posix_acl) |
2646 | { | |
2647 | struct acl_entry_link *acl_entry_link; | |
2648 | ||
2649 | for(acl_entry_link = posix_acl->nextp; acl_entry_link->nextp != NULL; acl_entry_link = acl_entry_link->nextp) { | |
2650 | SAFE_FREE(acl_entry_link->prevp->entryp); | |
2651 | SAFE_FREE(acl_entry_link->prevp); | |
2652 | } | |
2653 | ||
2654 | SAFE_FREE(acl_entry_link->prevp->entryp); | |
2655 | SAFE_FREE(acl_entry_link->prevp); | |
2656 | SAFE_FREE(acl_entry_link->entryp); | |
2657 | SAFE_FREE(acl_entry_link); | |
2658 | ||
2659 | return(0); | |
2660 | } | |
2661 | ||
2662 | int sys_acl_free_qualifier(void *qual, SMB_ACL_TAG_T tagtype) | |
2663 | { | |
2664 | return(0); | |
2665 | } | |
2666 | ||
2667 | #else /* No ACLs. */ | |
2668 | ||
a30dcbc0 | 2669 | #error No ACL functions defined for this platform! |
1c3344a1 | 2670 | |
a30dcbc0 | 2671 | #endif |
1c3344a1 WD |
2672 | |
2673 | /************************************************************************ | |
2674 | Deliberately outside the ACL defines. Return 1 if this is a "no acls" | |
2675 | errno, 0 if not. | |
2676 | ************************************************************************/ | |
2677 | ||
2678 | int no_acl_syscall_error(int err) | |
2679 | { | |
2680 | #if defined(ENOSYS) | |
2681 | if (err == ENOSYS) { | |
2682 | return 1; | |
2683 | } | |
2684 | #endif | |
2685 | #if defined(ENOTSUP) | |
2686 | if (err == ENOTSUP) { | |
2687 | return 1; | |
2688 | } | |
2689 | #endif | |
2690 | return 0; | |
2691 | } | |
2692 | ||
2693 | #endif /* SUPPORT_ACLS */ |