Commit | Line | Data |
---|---|---|
1c3344a1 WD |
1 | /* |
2 | Unix SMB/CIFS implementation. | |
a30dcbc0 | 3 | Based on the Samba ACL support code. |
1c3344a1 | 4 | Copyright (C) Jeremy Allison 2000. |
a30dcbc0 WD |
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. | |
1c3344a1 WD |
8 | |
9 | This program is free software; you can redistribute it and/or modify | |
10 | it under the terms of the GNU General Public License as published by | |
11 | the Free Software Foundation; either version 2 of the License, or | |
12 | (at your option) any later version. | |
13 | ||
14 | 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 | along with this program; if not, write to the Free Software | |
21 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
22 | */ | |
23 | ||
24 | #include "rsync.h" | |
a30dcbc0 | 25 | #include "sysacls.h" |
1c3344a1 WD |
26 | |
27 | #ifdef SUPPORT_ACLS | |
28 | ||
1c3344a1 WD |
29 | #ifdef DEBUG |
30 | #undef DEBUG | |
31 | #endif | |
32 | #define DEBUG(x,y) | |
33 | ||
34 | void SAFE_FREE(void *mem) | |
35 | { | |
36 | if (mem) | |
37 | free(mem); | |
38 | } | |
39 | ||
1c3344a1 WD |
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 | ||
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) | |
a30dcbc0 | 49 | int sys_acl_get_access_bits(SMB_ACL_ENTRY_T entry_d, uint32 *bits) |
1c3344a1 WD |
50 | void *sys_acl_get_qualifier( SMB_ACL_ENTRY_T entry_d) |
51 | SMB_ACL_T sys_acl_get_file( const char *path_p, SMB_ACL_TYPE_T type) | |
52 | SMB_ACL_T sys_acl_get_fd(int fd) | |
1c3344a1 WD |
53 | SMB_ACL_T sys_acl_init( int count) |
54 | int sys_acl_create_entry( SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry) | |
55 | int sys_acl_set_tag_type( SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tagtype) | |
56 | int sys_acl_set_qualifier( SMB_ACL_ENTRY_T entry, void *qual) | |
a30dcbc0 | 57 | int sys_acl_set_access_bits(SMB_ACL_ENTRY_T entry, uint32 bits) |
1c3344a1 WD |
58 | int sys_acl_valid( SMB_ACL_T theacl ) |
59 | int sys_acl_set_file( const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl) | |
60 | int sys_acl_set_fd( int fd, SMB_ACL_T theacl) | |
61 | int sys_acl_delete_def_file(const char *path) | |
62 | ||
1c3344a1 WD |
63 | The generic POSIX free is the following call. We split this into |
64 | several different free functions as we may need to add tag info | |
65 | to structures when emulating the POSIX interface. | |
66 | ||
67 | int sys_acl_free( void *obj_p) | |
68 | ||
69 | The calls we actually use are : | |
70 | ||
1c3344a1 WD |
71 | int sys_acl_free_acl(SMB_ACL_T posix_acl) |
72 | int sys_acl_free_qualifier(void *qualifier, SMB_ACL_TAG_T tagtype) | |
73 | ||
74 | */ | |
75 | ||
76 | #if defined(HAVE_POSIX_ACLS) | |
77 | ||
78 | /* Identity mapping - easy. */ | |
79 | ||
80 | int sys_acl_get_entry( SMB_ACL_T the_acl, int entry_id, SMB_ACL_ENTRY_T *entry_p) | |
81 | { | |
82 | return acl_get_entry( the_acl, entry_id, entry_p); | |
83 | } | |
84 | ||
85 | int sys_acl_get_tag_type( SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *tag_type_p) | |
86 | { | |
87 | return acl_get_tag_type( entry_d, tag_type_p); | |
88 | } | |
89 | ||
1c3344a1 WD |
90 | void *sys_acl_get_qualifier( SMB_ACL_ENTRY_T entry_d) |
91 | { | |
92 | return acl_get_qualifier( entry_d); | |
93 | } | |
94 | ||
95 | SMB_ACL_T sys_acl_get_file( const char *path_p, SMB_ACL_TYPE_T type) | |
96 | { | |
97 | return acl_get_file( path_p, type); | |
98 | } | |
99 | ||
a30dcbc0 | 100 | #if 0 |
1c3344a1 WD |
101 | SMB_ACL_T sys_acl_get_fd(int fd) |
102 | { | |
103 | return acl_get_fd(fd); | |
104 | } | |
a30dcbc0 | 105 | #endif |
1c3344a1 | 106 | |
1c3344a1 | 107 | #if defined(HAVE_ACL_GET_PERM_NP) |
a30dcbc0 | 108 | #define acl_get_perm(p, b) acl_get_perm_np(p, b) |
1c3344a1 | 109 | #endif |
1c3344a1 | 110 | |
a30dcbc0 | 111 | int sys_acl_get_access_bits(SMB_ACL_ENTRY_T entry_d, uint32 *bits) |
1c3344a1 | 112 | { |
a30dcbc0 WD |
113 | SMB_ACL_PERMSET_T permset; |
114 | int rc; | |
115 | if ((rc = acl_get_permset(entry_d, &permset)) != 0) | |
116 | return rc; | |
117 | *bits = (acl_get_perm(permset, ACL_READ) ? 4 : 0) | |
118 | | (acl_get_perm(permset, ACL_WRITE) ? 2 : 0) | |
119 | | (acl_get_perm(permset, ACL_EXECUTE) ? 1 : 0); | |
120 | return 0; | |
1c3344a1 WD |
121 | } |
122 | ||
123 | SMB_ACL_T sys_acl_init( int count) | |
124 | { | |
125 | return acl_init(count); | |
126 | } | |
127 | ||
128 | int sys_acl_create_entry( SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry) | |
129 | { | |
130 | return acl_create_entry(pacl, pentry); | |
131 | } | |
132 | ||
133 | int sys_acl_set_tag_type( SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tagtype) | |
134 | { | |
135 | return acl_set_tag_type(entry, tagtype); | |
136 | } | |
137 | ||
138 | int sys_acl_set_qualifier( SMB_ACL_ENTRY_T entry, void *qual) | |
139 | { | |
140 | return acl_set_qualifier(entry, qual); | |
141 | } | |
142 | ||
a30dcbc0 | 143 | int sys_acl_set_access_bits(SMB_ACL_ENTRY_T entry, uint32 bits) |
1c3344a1 | 144 | { |
a30dcbc0 WD |
145 | SMB_ACL_PERMSET_T permset; |
146 | int rc; | |
147 | if ((rc = acl_get_permset(entry, &permset)) != 0) | |
148 | return rc; | |
149 | acl_clear_perms(permset); | |
150 | if (bits & 4) | |
151 | acl_add_perm(permset, ACL_READ); | |
152 | if (bits & 2) | |
153 | acl_add_perm(permset, ACL_WRITE); | |
154 | if (bits & 1) | |
155 | acl_add_perm(permset, ACL_EXECUTE); | |
1c3344a1 WD |
156 | return acl_set_permset(entry, permset); |
157 | } | |
158 | ||
159 | int sys_acl_valid( SMB_ACL_T theacl ) | |
160 | { | |
161 | return acl_valid(theacl); | |
162 | } | |
163 | ||
164 | int sys_acl_set_file(const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl) | |
165 | { | |
166 | return acl_set_file(name, acltype, theacl); | |
167 | } | |
168 | ||
169 | int sys_acl_set_fd( int fd, SMB_ACL_T theacl) | |
170 | { | |
171 | return acl_set_fd(fd, theacl); | |
172 | } | |
173 | ||
174 | int sys_acl_delete_def_file(const char *name) | |
175 | { | |
176 | return acl_delete_def_file(name); | |
177 | } | |
178 | ||
1c3344a1 WD |
179 | int sys_acl_free_acl(SMB_ACL_T the_acl) |
180 | { | |
181 | return acl_free(the_acl); | |
182 | } | |
183 | ||
184 | int sys_acl_free_qualifier(void *qual, UNUSED(SMB_ACL_TAG_T tagtype)) | |
185 | { | |
186 | return acl_free(qual); | |
187 | } | |
188 | ||
189 | #elif defined(HAVE_TRU64_ACLS) | |
190 | /* | |
191 | * The interface to DEC/Compaq Tru64 UNIX ACLs | |
192 | * is based on Draft 13 of the POSIX spec which is | |
193 | * slightly different from the Draft 16 interface. | |
194 | * | |
195 | * Also, some of the permset manipulation functions | |
196 | * such as acl_clear_perm() and acl_add_perm() appear | |
197 | * to be broken on Tru64 so we have to manipulate | |
198 | * the permission bits in the permset directly. | |
199 | */ | |
200 | int sys_acl_get_entry( SMB_ACL_T the_acl, int entry_id, SMB_ACL_ENTRY_T *entry_p) | |
201 | { | |
202 | SMB_ACL_ENTRY_T entry; | |
203 | ||
204 | if (entry_id == SMB_ACL_FIRST_ENTRY && acl_first_entry(the_acl) != 0) { | |
205 | return -1; | |
206 | } | |
207 | ||
208 | errno = 0; | |
209 | if ((entry = acl_get_entry(the_acl)) != NULL) { | |
210 | *entry_p = entry; | |
211 | return 1; | |
212 | } | |
213 | ||
214 | return errno ? -1 : 0; | |
215 | } | |
216 | ||
217 | int sys_acl_get_tag_type( SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *tag_type_p) | |
218 | { | |
219 | return acl_get_tag_type( entry_d, tag_type_p); | |
220 | } | |
221 | ||
1c3344a1 WD |
222 | void *sys_acl_get_qualifier( SMB_ACL_ENTRY_T entry_d) |
223 | { | |
224 | return acl_get_qualifier( entry_d); | |
225 | } | |
226 | ||
227 | SMB_ACL_T sys_acl_get_file( const char *path_p, SMB_ACL_TYPE_T type) | |
228 | { | |
229 | return acl_get_file((char *)path_p, type); | |
230 | } | |
231 | ||
a30dcbc0 | 232 | #if 0 |
1c3344a1 WD |
233 | SMB_ACL_T sys_acl_get_fd(int fd) |
234 | { | |
235 | return acl_get_fd(fd, ACL_TYPE_ACCESS); | |
236 | } | |
a30dcbc0 | 237 | #endif |
1c3344a1 | 238 | |
a30dcbc0 | 239 | int sys_acl_get_access_bits(SMB_ACL_ENTRY_T entry_d, uint32 *bits) |
1c3344a1 | 240 | { |
a30dcbc0 WD |
241 | SMB_ACL_PERMSET_T permset; |
242 | int rc; | |
243 | if ((rc = acl_get_permset(entry_d, &permset)) != 0) | |
244 | return rc; | |
245 | *bits = *permset & 7; /* Tru64 doesn't have acl_get_perm() */ | |
1c3344a1 WD |
246 | return 0; |
247 | } | |
248 | ||
1c3344a1 WD |
249 | SMB_ACL_T sys_acl_init( int count) |
250 | { | |
251 | return acl_init(count); | |
252 | } | |
253 | ||
254 | int sys_acl_create_entry( SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry) | |
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_tag_type( SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tagtype) | |
267 | { | |
268 | return acl_set_tag_type(entry, tagtype); | |
269 | } | |
270 | ||
271 | int sys_acl_set_qualifier( SMB_ACL_ENTRY_T entry, void *qual) | |
272 | { | |
273 | return acl_set_qualifier(entry, qual); | |
274 | } | |
275 | ||
a30dcbc0 | 276 | int sys_acl_set_access_bits(SMB_ACL_ENTRY_T entry, uint32 bits) |
1c3344a1 | 277 | { |
a30dcbc0 WD |
278 | SMB_ACL_PERMSET_T permset; |
279 | int rc; | |
280 | if ((rc = acl_get_permset(entry, &permset)) != 0) | |
281 | return rc; | |
a30dcbc0 | 282 | *permset = bits & 7; |
1c3344a1 WD |
283 | return acl_set_permset(entry, permset); |
284 | } | |
285 | ||
286 | int sys_acl_valid( SMB_ACL_T theacl ) | |
287 | { | |
288 | acl_entry_t entry; | |
289 | ||
290 | return acl_valid(theacl, &entry); | |
291 | } | |
292 | ||
293 | int sys_acl_set_file( const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl) | |
294 | { | |
295 | return acl_set_file((char *)name, acltype, theacl); | |
296 | } | |
297 | ||
298 | int sys_acl_set_fd( int fd, SMB_ACL_T theacl) | |
299 | { | |
300 | return acl_set_fd(fd, ACL_TYPE_ACCESS, theacl); | |
301 | } | |
302 | ||
303 | int sys_acl_delete_def_file(const char *name) | |
304 | { | |
305 | return acl_delete_def_file((char *)name); | |
306 | } | |
307 | ||
1c3344a1 WD |
308 | int sys_acl_free_acl(SMB_ACL_T the_acl) |
309 | { | |
310 | return acl_free(the_acl); | |
311 | } | |
312 | ||
313 | int sys_acl_free_qualifier(void *qual, SMB_ACL_TAG_T tagtype) | |
314 | { | |
315 | return acl_free_qualifier(qual, tagtype); | |
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 | ||
1c3344a1 WD |
390 | void *sys_acl_get_qualifier(SMB_ACL_ENTRY_T entry_d) |
391 | { | |
392 | if (entry_d->a_type != SMB_ACL_USER | |
393 | && entry_d->a_type != SMB_ACL_GROUP) { | |
394 | errno = EINVAL; | |
395 | return NULL; | |
396 | } | |
397 | ||
398 | return &entry_d->a_id; | |
399 | } | |
400 | ||
401 | /* | |
402 | * There is no way of knowing what size the ACL returned by | |
403 | * GETACL will be unless you first call GETACLCNT which means | |
404 | * making an additional system call. | |
405 | * | |
406 | * In the hope of avoiding the cost of the additional system | |
407 | * call in most cases, we initially allocate enough space for | |
408 | * an ACL with INITIAL_ACL_SIZE entries. If this turns out to | |
409 | * be too small then we use GETACLCNT to find out the actual | |
410 | * size, reallocate the ACL buffer, and then call GETACL again. | |
411 | */ | |
412 | ||
413 | #define INITIAL_ACL_SIZE 16 | |
414 | ||
415 | SMB_ACL_T sys_acl_get_file(const char *path_p, SMB_ACL_TYPE_T type) | |
416 | { | |
417 | SMB_ACL_T acl_d; | |
418 | int count; /* # of ACL entries allocated */ | |
419 | int naccess; /* # of access ACL entries */ | |
420 | int ndefault; /* # of default ACL entries */ | |
421 | ||
422 | if (type != SMB_ACL_TYPE_ACCESS && type != SMB_ACL_TYPE_DEFAULT) { | |
423 | errno = EINVAL; | |
424 | return NULL; | |
425 | } | |
426 | ||
427 | count = INITIAL_ACL_SIZE; | |
428 | if ((acl_d = sys_acl_init(count)) == NULL) { | |
429 | return NULL; | |
430 | } | |
431 | ||
432 | /* | |
433 | * If there isn't enough space for the ACL entries we use | |
434 | * GETACLCNT to determine the actual number of ACL entries | |
435 | * reallocate and try again. This is in a loop because it | |
436 | * is possible that someone else could modify the ACL and | |
437 | * increase the number of entries between the call to | |
438 | * GETACLCNT and the call to GETACL. | |
439 | */ | |
440 | while ((count = acl(path_p, GETACL, count, &acl_d->acl[0])) < 0 | |
441 | && errno == ENOSPC) { | |
442 | ||
443 | sys_acl_free_acl(acl_d); | |
444 | ||
445 | if ((count = acl(path_p, GETACLCNT, 0, NULL)) < 0) { | |
446 | return NULL; | |
447 | } | |
448 | ||
449 | if ((acl_d = sys_acl_init(count)) == NULL) { | |
450 | return NULL; | |
451 | } | |
452 | } | |
453 | ||
454 | if (count < 0) { | |
455 | sys_acl_free_acl(acl_d); | |
456 | return NULL; | |
457 | } | |
458 | ||
459 | /* | |
460 | * calculate the number of access and default ACL entries | |
461 | * | |
462 | * Note: we assume that the acl() system call returned a | |
463 | * well formed ACL which is sorted so that all of the | |
464 | * access ACL entries preceed any default ACL entries | |
465 | */ | |
466 | for (naccess = 0; naccess < count; naccess++) { | |
467 | if (acl_d->acl[naccess].a_type & ACL_DEFAULT) | |
468 | break; | |
469 | } | |
470 | ndefault = count - naccess; | |
471 | ||
472 | /* | |
473 | * if the caller wants the default ACL we have to copy | |
474 | * the entries down to the start of the acl[] buffer | |
475 | * and mask out the ACL_DEFAULT flag from the type field | |
476 | */ | |
477 | if (type == SMB_ACL_TYPE_DEFAULT) { | |
478 | int i, j; | |
479 | ||
480 | for (i = 0, j = naccess; i < ndefault; i++, j++) { | |
481 | acl_d->acl[i] = acl_d->acl[j]; | |
482 | acl_d->acl[i].a_type &= ~ACL_DEFAULT; | |
483 | } | |
484 | ||
485 | acl_d->count = ndefault; | |
486 | } else { | |
487 | acl_d->count = naccess; | |
488 | } | |
489 | ||
490 | return acl_d; | |
491 | } | |
492 | ||
a30dcbc0 | 493 | #if 0 |
1c3344a1 WD |
494 | SMB_ACL_T sys_acl_get_fd(int fd) |
495 | { | |
496 | SMB_ACL_T acl_d; | |
497 | int count; /* # of ACL entries allocated */ | |
498 | int naccess; /* # of access ACL entries */ | |
499 | ||
500 | count = INITIAL_ACL_SIZE; | |
501 | if ((acl_d = sys_acl_init(count)) == NULL) { | |
502 | return NULL; | |
503 | } | |
504 | ||
505 | while ((count = facl(fd, GETACL, count, &acl_d->acl[0])) < 0 | |
506 | && errno == ENOSPC) { | |
507 | ||
508 | sys_acl_free_acl(acl_d); | |
509 | ||
510 | if ((count = facl(fd, GETACLCNT, 0, NULL)) < 0) { | |
511 | return NULL; | |
512 | } | |
513 | ||
514 | if ((acl_d = sys_acl_init(count)) == NULL) { | |
515 | return NULL; | |
516 | } | |
517 | } | |
518 | ||
519 | if (count < 0) { | |
520 | sys_acl_free_acl(acl_d); | |
521 | return NULL; | |
522 | } | |
523 | ||
524 | /* | |
525 | * calculate the number of access ACL entries | |
526 | */ | |
527 | for (naccess = 0; naccess < count; naccess++) { | |
528 | if (acl_d->acl[naccess].a_type & ACL_DEFAULT) | |
529 | break; | |
530 | } | |
531 | ||
532 | acl_d->count = naccess; | |
533 | ||
534 | return acl_d; | |
535 | } | |
a30dcbc0 | 536 | #endif |
1c3344a1 | 537 | |
a30dcbc0 | 538 | int sys_acl_get_access_bits(SMB_ACL_ENTRY_T entry_d, uint32 *bits) |
1c3344a1 | 539 | { |
63186ec0 | 540 | *bits = entry_d->a_perm; |
1c3344a1 WD |
541 | return 0; |
542 | } | |
543 | ||
1c3344a1 WD |
544 | SMB_ACL_T sys_acl_init(int count) |
545 | { | |
546 | SMB_ACL_T a; | |
547 | ||
548 | if (count < 0) { | |
549 | errno = EINVAL; | |
550 | return NULL; | |
551 | } | |
552 | ||
553 | /* | |
554 | * note that since the definition of the structure pointed | |
555 | * to by the SMB_ACL_T includes the first element of the | |
556 | * acl[] array, this actually allocates an ACL with room | |
557 | * for (count+1) entries | |
558 | */ | |
559 | if ((a = (SMB_ACL_T)SMB_MALLOC(sizeof(struct SMB_ACL_T) + count * sizeof(struct acl))) == NULL) { | |
560 | errno = ENOMEM; | |
561 | return NULL; | |
562 | } | |
563 | ||
564 | a->size = count + 1; | |
565 | a->count = 0; | |
566 | a->next = -1; | |
567 | ||
568 | return a; | |
569 | } | |
570 | ||
571 | ||
572 | int sys_acl_create_entry(SMB_ACL_T *acl_p, SMB_ACL_ENTRY_T *entry_p) | |
573 | { | |
574 | SMB_ACL_T acl_d; | |
575 | SMB_ACL_ENTRY_T entry_d; | |
576 | ||
577 | if (acl_p == NULL || entry_p == NULL || (acl_d = *acl_p) == NULL) { | |
578 | errno = EINVAL; | |
579 | return -1; | |
580 | } | |
581 | ||
582 | if (acl_d->count >= acl_d->size) { | |
583 | errno = ENOSPC; | |
584 | return -1; | |
585 | } | |
586 | ||
587 | entry_d = &acl_d->acl[acl_d->count++]; | |
588 | entry_d->a_type = 0; | |
589 | entry_d->a_id = -1; | |
590 | entry_d->a_perm = 0; | |
591 | *entry_p = entry_d; | |
592 | ||
593 | return 0; | |
594 | } | |
595 | ||
596 | int sys_acl_set_tag_type(SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T tag_type) | |
597 | { | |
598 | switch (tag_type) { | |
599 | case SMB_ACL_USER: | |
600 | case SMB_ACL_USER_OBJ: | |
601 | case SMB_ACL_GROUP: | |
602 | case SMB_ACL_GROUP_OBJ: | |
603 | case SMB_ACL_OTHER: | |
604 | case SMB_ACL_MASK: | |
605 | entry_d->a_type = tag_type; | |
606 | break; | |
607 | default: | |
608 | errno = EINVAL; | |
609 | return -1; | |
610 | } | |
611 | ||
612 | return 0; | |
613 | } | |
614 | ||
615 | int sys_acl_set_qualifier(SMB_ACL_ENTRY_T entry_d, void *qual_p) | |
616 | { | |
617 | if (entry_d->a_type != SMB_ACL_GROUP | |
618 | && entry_d->a_type != SMB_ACL_USER) { | |
619 | errno = EINVAL; | |
620 | return -1; | |
621 | } | |
622 | ||
623 | entry_d->a_id = *((id_t *)qual_p); | |
624 | ||
625 | return 0; | |
626 | } | |
627 | ||
a30dcbc0 | 628 | int sys_acl_set_access_bits(SMB_ACL_ENTRY_T entry_d, uint32 bits) |
1c3344a1 | 629 | { |
a30dcbc0 | 630 | entry_d->a_perm = bits; |
1c3344a1 WD |
631 | return 0; |
632 | } | |
633 | ||
634 | /* | |
635 | * sort the ACL and check it for validity | |
636 | * | |
637 | * if it's a minimal ACL with only 4 entries then we | |
638 | * need to recalculate the mask permissions to make | |
639 | * sure that they are the same as the GROUP_OBJ | |
640 | * permissions as required by the UnixWare acl() system call. | |
641 | * | |
642 | * (note: since POSIX allows minimal ACLs which only contain | |
643 | * 3 entries - ie there is no mask entry - we should, in theory, | |
644 | * check for this and add a mask entry if necessary - however | |
645 | * we "know" that the caller of this interface always specifies | |
646 | * a mask so, in practice "this never happens" (tm) - if it *does* | |
647 | * happen aclsort() will fail and return an error and someone will | |
648 | * have to fix it ...) | |
649 | */ | |
650 | ||
651 | static int acl_sort(SMB_ACL_T acl_d) | |
652 | { | |
653 | int fixmask = (acl_d->count <= 4); | |
654 | ||
655 | if (aclsort(acl_d->count, fixmask, acl_d->acl) != 0) { | |
656 | errno = EINVAL; | |
657 | return -1; | |
658 | } | |
659 | return 0; | |
660 | } | |
661 | ||
662 | int sys_acl_valid(SMB_ACL_T acl_d) | |
663 | { | |
664 | return acl_sort(acl_d); | |
665 | } | |
666 | ||
667 | int sys_acl_set_file(const char *name, SMB_ACL_TYPE_T type, SMB_ACL_T acl_d) | |
668 | { | |
669 | struct stat s; | |
670 | struct acl *acl_p; | |
671 | int acl_count; | |
672 | struct acl *acl_buf = NULL; | |
673 | int ret; | |
674 | ||
675 | if (type != SMB_ACL_TYPE_ACCESS && type != SMB_ACL_TYPE_DEFAULT) { | |
676 | errno = EINVAL; | |
677 | return -1; | |
678 | } | |
679 | ||
680 | if (acl_sort(acl_d) != 0) { | |
681 | return -1; | |
682 | } | |
683 | ||
684 | acl_p = &acl_d->acl[0]; | |
685 | acl_count = acl_d->count; | |
686 | ||
687 | /* | |
688 | * if it's a directory there is extra work to do | |
689 | * since the acl() system call will replace both | |
690 | * the access ACLs and the default ACLs (if any) | |
691 | */ | |
692 | if (stat(name, &s) != 0) { | |
693 | return -1; | |
694 | } | |
695 | if (S_ISDIR(s.st_mode)) { | |
696 | SMB_ACL_T acc_acl; | |
697 | SMB_ACL_T def_acl; | |
698 | SMB_ACL_T tmp_acl; | |
699 | int i; | |
700 | ||
701 | if (type == SMB_ACL_TYPE_ACCESS) { | |
702 | acc_acl = acl_d; | |
703 | def_acl = tmp_acl = sys_acl_get_file(name, SMB_ACL_TYPE_DEFAULT); | |
704 | ||
705 | } else { | |
706 | def_acl = acl_d; | |
707 | acc_acl = tmp_acl = sys_acl_get_file(name, SMB_ACL_TYPE_ACCESS); | |
708 | } | |
709 | ||
710 | if (tmp_acl == NULL) { | |
711 | return -1; | |
712 | } | |
713 | ||
714 | /* | |
715 | * allocate a temporary buffer for the complete ACL | |
716 | */ | |
717 | acl_count = acc_acl->count + def_acl->count; | |
718 | acl_p = acl_buf = SMB_MALLOC_ARRAY(struct acl, acl_count); | |
719 | ||
720 | if (acl_buf == NULL) { | |
721 | sys_acl_free_acl(tmp_acl); | |
722 | errno = ENOMEM; | |
723 | return -1; | |
724 | } | |
725 | ||
726 | /* | |
727 | * copy the access control and default entries into the buffer | |
728 | */ | |
729 | memcpy(&acl_buf[0], &acc_acl->acl[0], | |
730 | acc_acl->count * sizeof(acl_buf[0])); | |
731 | ||
732 | memcpy(&acl_buf[acc_acl->count], &def_acl->acl[0], | |
733 | def_acl->count * sizeof(acl_buf[0])); | |
734 | ||
735 | /* | |
736 | * set the ACL_DEFAULT flag on the default entries | |
737 | */ | |
738 | for (i = acc_acl->count; i < acl_count; i++) { | |
739 | acl_buf[i].a_type |= ACL_DEFAULT; | |
740 | } | |
741 | ||
742 | sys_acl_free_acl(tmp_acl); | |
743 | ||
744 | } else if (type != SMB_ACL_TYPE_ACCESS) { | |
745 | errno = EINVAL; | |
746 | return -1; | |
747 | } | |
748 | ||
749 | ret = acl(name, SETACL, acl_count, acl_p); | |
750 | ||
751 | SAFE_FREE(acl_buf); | |
752 | ||
753 | return ret; | |
754 | } | |
755 | ||
756 | int sys_acl_set_fd(int fd, SMB_ACL_T acl_d) | |
757 | { | |
758 | if (acl_sort(acl_d) != 0) { | |
759 | return -1; | |
760 | } | |
761 | ||
762 | return facl(fd, SETACL, acl_d->count, &acl_d->acl[0]); | |
763 | } | |
764 | ||
765 | int sys_acl_delete_def_file(const char *path) | |
766 | { | |
767 | SMB_ACL_T acl_d; | |
768 | int ret; | |
769 | ||
770 | /* | |
771 | * fetching the access ACL and rewriting it has | |
772 | * the effect of deleting the default ACL | |
773 | */ | |
774 | if ((acl_d = sys_acl_get_file(path, SMB_ACL_TYPE_ACCESS)) == NULL) { | |
775 | return -1; | |
776 | } | |
777 | ||
778 | ret = acl(path, SETACL, acl_d->count, acl_d->acl); | |
779 | ||
780 | sys_acl_free_acl(acl_d); | |
781 | ||
782 | return ret; | |
783 | } | |
784 | ||
1c3344a1 WD |
785 | int sys_acl_free_acl(SMB_ACL_T acl_d) |
786 | { | |
787 | SAFE_FREE(acl_d); | |
788 | return 0; | |
789 | } | |
790 | ||
791 | int sys_acl_free_qualifier(UNUSED(void *qual), UNUSED(SMB_ACL_TAG_T tagtype)) | |
792 | { | |
793 | return 0; | |
794 | } | |
795 | ||
796 | #elif defined(HAVE_HPUX_ACLS) | |
797 | #include <dl.h> | |
798 | ||
799 | /* | |
800 | * Based on the Solaris/SCO code - with modifications. | |
801 | */ | |
802 | ||
803 | /* | |
804 | * Note that while this code implements sufficient functionality | |
805 | * to support the sys_acl_* interfaces it does not provide all | |
806 | * of the semantics of the POSIX ACL interfaces. | |
807 | * | |
808 | * In particular, an ACL entry descriptor (SMB_ACL_ENTRY_T) returned | |
809 | * from a call to sys_acl_get_entry() should not be assumed to be | |
810 | * valid after calling any of the following functions, which may | |
811 | * reorder the entries in the ACL. | |
812 | * | |
813 | * sys_acl_valid() | |
814 | * sys_acl_set_file() | |
815 | * sys_acl_set_fd() | |
816 | */ | |
817 | ||
818 | /* This checks if the POSIX ACL system call is defined */ | |
819 | /* which basically corresponds to whether JFS 3.3 or */ | |
820 | /* higher is installed. If acl() was called when it */ | |
821 | /* isn't defined, it causes the process to core dump */ | |
822 | /* so it is important to check this and avoid acl() */ | |
823 | /* calls if it isn't there. */ | |
824 | ||
825 | static BOOL hpux_acl_call_presence(void) | |
826 | { | |
827 | ||
828 | shl_t handle = NULL; | |
829 | void *value; | |
830 | int ret_val=0; | |
831 | static BOOL already_checked=0; | |
832 | ||
833 | if(already_checked) | |
834 | return True; | |
835 | ||
836 | ||
837 | ret_val = shl_findsym(&handle, "acl", TYPE_PROCEDURE, &value); | |
838 | ||
839 | if(ret_val != 0) { | |
840 | DEBUG(5, ("hpux_acl_call_presence: shl_findsym() returned %d, errno = %d, error %s\n", | |
841 | ret_val, errno, strerror(errno))); | |
842 | DEBUG(5,("hpux_acl_call_presence: acl() system call is not present. Check if you have JFS 3.3 and above?\n")); | |
843 | return False; | |
844 | } | |
845 | ||
846 | DEBUG(10,("hpux_acl_call_presence: acl() system call is present. We have JFS 3.3 or above \n")); | |
847 | ||
848 | already_checked = True; | |
849 | return True; | |
850 | } | |
851 | ||
852 | int sys_acl_get_entry(SMB_ACL_T acl_d, int entry_id, SMB_ACL_ENTRY_T *entry_p) | |
853 | { | |
854 | if (entry_id != SMB_ACL_FIRST_ENTRY && entry_id != SMB_ACL_NEXT_ENTRY) { | |
855 | errno = EINVAL; | |
856 | return -1; | |
857 | } | |
858 | ||
859 | if (entry_p == NULL) { | |
860 | errno = EINVAL; | |
861 | return -1; | |
862 | } | |
863 | ||
864 | if (entry_id == SMB_ACL_FIRST_ENTRY) { | |
865 | acl_d->next = 0; | |
866 | } | |
867 | ||
868 | if (acl_d->next < 0) { | |
869 | errno = EINVAL; | |
870 | return -1; | |
871 | } | |
872 | ||
873 | if (acl_d->next >= acl_d->count) { | |
874 | return 0; | |
875 | } | |
876 | ||
877 | *entry_p = &acl_d->acl[acl_d->next++]; | |
878 | ||
879 | return 1; | |
880 | } | |
881 | ||
882 | int sys_acl_get_tag_type(SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *type_p) | |
883 | { | |
884 | *type_p = entry_d->a_type; | |
885 | ||
886 | return 0; | |
887 | } | |
888 | ||
1c3344a1 WD |
889 | void *sys_acl_get_qualifier(SMB_ACL_ENTRY_T entry_d) |
890 | { | |
891 | if (entry_d->a_type != SMB_ACL_USER | |
892 | && entry_d->a_type != SMB_ACL_GROUP) { | |
893 | errno = EINVAL; | |
894 | return NULL; | |
895 | } | |
896 | ||
897 | return &entry_d->a_id; | |
898 | } | |
899 | ||
900 | /* | |
901 | * There is no way of knowing what size the ACL returned by | |
902 | * ACL_GET will be unless you first call ACL_CNT which means | |
903 | * making an additional system call. | |
904 | * | |
905 | * In the hope of avoiding the cost of the additional system | |
906 | * call in most cases, we initially allocate enough space for | |
907 | * an ACL with INITIAL_ACL_SIZE entries. If this turns out to | |
908 | * be too small then we use ACL_CNT to find out the actual | |
909 | * size, reallocate the ACL buffer, and then call ACL_GET again. | |
910 | */ | |
911 | ||
912 | #define INITIAL_ACL_SIZE 16 | |
913 | ||
914 | SMB_ACL_T sys_acl_get_file(const char *path_p, SMB_ACL_TYPE_T type) | |
915 | { | |
916 | SMB_ACL_T acl_d; | |
917 | int count; /* # of ACL entries allocated */ | |
918 | int naccess; /* # of access ACL entries */ | |
919 | int ndefault; /* # of default ACL entries */ | |
920 | ||
921 | if(hpux_acl_call_presence() == False) { | |
922 | /* Looks like we don't have the acl() system call on HPUX. | |
923 | * May be the system doesn't have the latest version of JFS. | |
924 | */ | |
925 | return NULL; | |
926 | } | |
927 | ||
928 | if (type != SMB_ACL_TYPE_ACCESS && type != SMB_ACL_TYPE_DEFAULT) { | |
929 | errno = EINVAL; | |
930 | return NULL; | |
931 | } | |
932 | ||
933 | count = INITIAL_ACL_SIZE; | |
934 | if ((acl_d = sys_acl_init(count)) == NULL) { | |
935 | return NULL; | |
936 | } | |
937 | ||
938 | /* | |
939 | * If there isn't enough space for the ACL entries we use | |
940 | * ACL_CNT to determine the actual number of ACL entries | |
941 | * reallocate and try again. This is in a loop because it | |
942 | * is possible that someone else could modify the ACL and | |
943 | * increase the number of entries between the call to | |
944 | * ACL_CNT and the call to ACL_GET. | |
945 | */ | |
946 | while ((count = acl(path_p, ACL_GET, count, &acl_d->acl[0])) < 0 && errno == ENOSPC) { | |
947 | ||
948 | sys_acl_free_acl(acl_d); | |
949 | ||
950 | if ((count = acl(path_p, ACL_CNT, 0, NULL)) < 0) { | |
951 | return NULL; | |
952 | } | |
953 | ||
954 | if ((acl_d = sys_acl_init(count)) == NULL) { | |
955 | return NULL; | |
956 | } | |
957 | } | |
958 | ||
959 | if (count < 0) { | |
960 | sys_acl_free_acl(acl_d); | |
961 | return NULL; | |
962 | } | |
963 | ||
964 | /* | |
965 | * calculate the number of access and default ACL entries | |
966 | * | |
967 | * Note: we assume that the acl() system call returned a | |
968 | * well formed ACL which is sorted so that all of the | |
969 | * access ACL entries preceed any default ACL entries | |
970 | */ | |
971 | for (naccess = 0; naccess < count; naccess++) { | |
972 | if (acl_d->acl[naccess].a_type & ACL_DEFAULT) | |
973 | break; | |
974 | } | |
975 | ndefault = count - naccess; | |
976 | ||
977 | /* | |
978 | * if the caller wants the default ACL we have to copy | |
979 | * the entries down to the start of the acl[] buffer | |
980 | * and mask out the ACL_DEFAULT flag from the type field | |
981 | */ | |
982 | if (type == SMB_ACL_TYPE_DEFAULT) { | |
983 | int i, j; | |
984 | ||
985 | for (i = 0, j = naccess; i < ndefault; i++, j++) { | |
986 | acl_d->acl[i] = acl_d->acl[j]; | |
987 | acl_d->acl[i].a_type &= ~ACL_DEFAULT; | |
988 | } | |
989 | ||
990 | acl_d->count = ndefault; | |
991 | } else { | |
992 | acl_d->count = naccess; | |
993 | } | |
994 | ||
995 | return acl_d; | |
996 | } | |
997 | ||
1b897d50 | 998 | #if 0 |
1c3344a1 WD |
999 | SMB_ACL_T sys_acl_get_fd(int fd) |
1000 | { | |
1001 | /* | |
1002 | * HPUX doesn't have the facl call. Fake it using the path.... JRA. | |
1003 | */ | |
1004 | ||
1005 | files_struct *fsp = file_find_fd(fd); | |
1006 | ||
1007 | if (fsp == NULL) { | |
1008 | errno = EBADF; | |
1009 | return NULL; | |
1010 | } | |
1011 | ||
1012 | /* | |
1013 | * We know we're in the same conn context. So we | |
1014 | * can use the relative path. | |
1015 | */ | |
1016 | ||
1017 | return sys_acl_get_file(fsp->fsp_name, SMB_ACL_TYPE_ACCESS); | |
1018 | } | |
1b897d50 | 1019 | #endif |
1c3344a1 | 1020 | |
a30dcbc0 | 1021 | int sys_acl_get_access_bits(SMB_ACL_ENTRY_T entry_d, uint32 *bits) |
1c3344a1 | 1022 | { |
63186ec0 | 1023 | *bits = entry_d->a_perm; |
1c3344a1 WD |
1024 | |
1025 | return 0; | |
1026 | } | |
1027 | ||
1c3344a1 WD |
1028 | SMB_ACL_T sys_acl_init(int count) |
1029 | { | |
1030 | SMB_ACL_T a; | |
1031 | ||
1032 | if (count < 0) { | |
1033 | errno = EINVAL; | |
1034 | return NULL; | |
1035 | } | |
1036 | ||
1037 | /* | |
1038 | * note that since the definition of the structure pointed | |
1039 | * to by the SMB_ACL_T includes the first element of the | |
1040 | * acl[] array, this actually allocates an ACL with room | |
1041 | * for (count+1) entries | |
1042 | */ | |
1043 | if ((a = SMB_MALLOC(sizeof(struct SMB_ACL_T) + count * sizeof(struct acl))) == NULL) { | |
1044 | errno = ENOMEM; | |
1045 | return NULL; | |
1046 | } | |
1047 | ||
1048 | a->size = count + 1; | |
1049 | a->count = 0; | |
1050 | a->next = -1; | |
1051 | ||
1052 | return a; | |
1053 | } | |
1054 | ||
1055 | ||
1056 | int sys_acl_create_entry(SMB_ACL_T *acl_p, SMB_ACL_ENTRY_T *entry_p) | |
1057 | { | |
1058 | SMB_ACL_T acl_d; | |
1059 | SMB_ACL_ENTRY_T entry_d; | |
1060 | ||
1061 | if (acl_p == NULL || entry_p == NULL || (acl_d = *acl_p) == NULL) { | |
1062 | errno = EINVAL; | |
1063 | return -1; | |
1064 | } | |
1065 | ||
1066 | if (acl_d->count >= acl_d->size) { | |
1067 | errno = ENOSPC; | |
1068 | return -1; | |
1069 | } | |
1070 | ||
1071 | entry_d = &acl_d->acl[acl_d->count++]; | |
1072 | entry_d->a_type = 0; | |
1073 | entry_d->a_id = -1; | |
1074 | entry_d->a_perm = 0; | |
1075 | *entry_p = entry_d; | |
1076 | ||
1077 | return 0; | |
1078 | } | |
1079 | ||
1080 | int sys_acl_set_tag_type(SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T tag_type) | |
1081 | { | |
1082 | switch (tag_type) { | |
1083 | case SMB_ACL_USER: | |
1084 | case SMB_ACL_USER_OBJ: | |
1085 | case SMB_ACL_GROUP: | |
1086 | case SMB_ACL_GROUP_OBJ: | |
1087 | case SMB_ACL_OTHER: | |
1088 | case SMB_ACL_MASK: | |
1089 | entry_d->a_type = tag_type; | |
1090 | break; | |
1091 | default: | |
1092 | errno = EINVAL; | |
1093 | return -1; | |
1094 | } | |
1095 | ||
1096 | return 0; | |
1097 | } | |
1098 | ||
1099 | int sys_acl_set_qualifier(SMB_ACL_ENTRY_T entry_d, void *qual_p) | |
1100 | { | |
1101 | if (entry_d->a_type != SMB_ACL_GROUP | |
1102 | && entry_d->a_type != SMB_ACL_USER) { | |
1103 | errno = EINVAL; | |
1104 | return -1; | |
1105 | } | |
1106 | ||
1107 | entry_d->a_id = *((id_t *)qual_p); | |
1108 | ||
1109 | return 0; | |
1110 | } | |
1111 | ||
a30dcbc0 | 1112 | int sys_acl_set_access_bits(SMB_ACL_ENTRY_T entry_d, uint32 bits) |
1c3344a1 | 1113 | { |
a30dcbc0 | 1114 | entry_d->a_perm = bits; |
1c3344a1 WD |
1115 | |
1116 | return 0; | |
1117 | } | |
1118 | ||
1119 | /* Structure to capture the count for each type of ACE. */ | |
1120 | ||
1121 | struct hpux_acl_types { | |
1122 | int n_user; | |
1123 | int n_def_user; | |
1124 | int n_user_obj; | |
1125 | int n_def_user_obj; | |
1126 | ||
1127 | int n_group; | |
1128 | int n_def_group; | |
1129 | int n_group_obj; | |
1130 | int n_def_group_obj; | |
1131 | ||
1132 | int n_other; | |
1133 | int n_other_obj; | |
1134 | int n_def_other_obj; | |
1135 | ||
1136 | int n_class_obj; | |
1137 | int n_def_class_obj; | |
1138 | ||
1139 | int n_illegal_obj; | |
1140 | }; | |
1141 | ||
1142 | /* count_obj: | |
1143 | * Counts the different number of objects in a given array of ACL | |
1144 | * structures. | |
1145 | * Inputs: | |
1146 | * | |
1147 | * acl_count - Count of ACLs in the array of ACL strucutres. | |
1148 | * aclp - Array of ACL structures. | |
1149 | * acl_type_count - Pointer to acl_types structure. Should already be | |
1150 | * allocated. | |
1151 | * Output: | |
1152 | * | |
1153 | * acl_type_count - This structure is filled up with counts of various | |
1154 | * acl types. | |
1155 | */ | |
1156 | ||
1157 | static int hpux_count_obj(int acl_count, struct acl *aclp, struct hpux_acl_types *acl_type_count) | |
1158 | { | |
1159 | int i; | |
1160 | ||
1161 | memset(acl_type_count, 0, sizeof(struct hpux_acl_types)); | |
1162 | ||
1163 | for(i=0;i<acl_count;i++) { | |
1164 | switch(aclp[i].a_type) { | |
1165 | case USER: | |
1166 | acl_type_count->n_user++; | |
1167 | break; | |
1168 | case USER_OBJ: | |
1169 | acl_type_count->n_user_obj++; | |
1170 | break; | |
1171 | case DEF_USER_OBJ: | |
1172 | acl_type_count->n_def_user_obj++; | |
1173 | break; | |
1174 | case GROUP: | |
1175 | acl_type_count->n_group++; | |
1176 | break; | |
1177 | case GROUP_OBJ: | |
1178 | acl_type_count->n_group_obj++; | |
1179 | break; | |
1180 | case DEF_GROUP_OBJ: | |
1181 | acl_type_count->n_def_group_obj++; | |
1182 | break; | |
1183 | case OTHER_OBJ: | |
1184 | acl_type_count->n_other_obj++; | |
1185 | break; | |
1186 | case DEF_OTHER_OBJ: | |
1187 | acl_type_count->n_def_other_obj++; | |
1188 | break; | |
1189 | case CLASS_OBJ: | |
1190 | acl_type_count->n_class_obj++; | |
1191 | break; | |
1192 | case DEF_CLASS_OBJ: | |
1193 | acl_type_count->n_def_class_obj++; | |
1194 | break; | |
1195 | case DEF_USER: | |
1196 | acl_type_count->n_def_user++; | |
1197 | break; | |
1198 | case DEF_GROUP: | |
1199 | acl_type_count->n_def_group++; | |
1200 | break; | |
1201 | default: | |
1202 | acl_type_count->n_illegal_obj++; | |
1203 | break; | |
1204 | } | |
1205 | } | |
1206 | } | |
1207 | ||
1208 | /* swap_acl_entries: Swaps two ACL entries. | |
1209 | * | |
1210 | * Inputs: aclp0, aclp1 - ACL entries to be swapped. | |
1211 | */ | |
1212 | ||
1213 | static void hpux_swap_acl_entries(struct acl *aclp0, struct acl *aclp1) | |
1214 | { | |
1215 | struct acl temp_acl; | |
1216 | ||
1217 | temp_acl.a_type = aclp0->a_type; | |
1218 | temp_acl.a_id = aclp0->a_id; | |
1219 | temp_acl.a_perm = aclp0->a_perm; | |
1220 | ||
1221 | aclp0->a_type = aclp1->a_type; | |
1222 | aclp0->a_id = aclp1->a_id; | |
1223 | aclp0->a_perm = aclp1->a_perm; | |
1224 | ||
1225 | aclp1->a_type = temp_acl.a_type; | |
1226 | aclp1->a_id = temp_acl.a_id; | |
1227 | aclp1->a_perm = temp_acl.a_perm; | |
1228 | } | |
1229 | ||
1230 | /* prohibited_duplicate_type | |
1231 | * Identifies if given ACL type can have duplicate entries or | |
1232 | * not. | |
1233 | * | |
1234 | * Inputs: acl_type - ACL Type. | |
1235 | * | |
1236 | * Outputs: | |
1237 | * | |
1238 | * Return.. | |
1239 | * | |
1240 | * True - If the ACL type matches any of the prohibited types. | |
1241 | * False - If the ACL type doesn't match any of the prohibited types. | |
1242 | */ | |
1243 | ||
1244 | static BOOL hpux_prohibited_duplicate_type(int acl_type) | |
1245 | { | |
1246 | switch(acl_type) { | |
1247 | case USER: | |
1248 | case GROUP: | |
1249 | case DEF_USER: | |
1250 | case DEF_GROUP: | |
1251 | return True; | |
1252 | default: | |
1253 | return False; | |
1254 | } | |
1255 | } | |
1256 | ||
1257 | /* get_needed_class_perm | |
1258 | * Returns the permissions of a ACL structure only if the ACL | |
1259 | * type matches one of the pre-determined types for computing | |
1260 | * CLASS_OBJ permissions. | |
1261 | * | |
1262 | * Inputs: aclp - Pointer to ACL structure. | |
1263 | */ | |
1264 | ||
1265 | static int hpux_get_needed_class_perm(struct acl *aclp) | |
1266 | { | |
1267 | switch(aclp->a_type) { | |
1268 | case USER: | |
1269 | case GROUP_OBJ: | |
1270 | case GROUP: | |
1271 | case DEF_USER_OBJ: | |
1272 | case DEF_USER: | |
1273 | case DEF_GROUP_OBJ: | |
1274 | case DEF_GROUP: | |
1275 | case DEF_CLASS_OBJ: | |
1276 | case DEF_OTHER_OBJ: | |
1277 | return aclp->a_perm; | |
1278 | default: | |
1279 | return 0; | |
1280 | } | |
1281 | } | |
1282 | ||
1283 | /* acl_sort for HPUX. | |
1284 | * Sorts the array of ACL structures as per the description in | |
1285 | * aclsort man page. Refer to aclsort man page for more details | |
1286 | * | |
1287 | * Inputs: | |
1288 | * | |
1289 | * acl_count - Count of ACLs in the array of ACL structures. | |
1290 | * calclass - If this is not zero, then we compute the CLASS_OBJ | |
1291 | * permissions. | |
1292 | * aclp - Array of ACL structures. | |
1293 | * | |
1294 | * Outputs: | |
1295 | * | |
1296 | * aclp - Sorted array of ACL structures. | |
1297 | * | |
1298 | * Outputs: | |
1299 | * | |
1300 | * Returns 0 for success -1 for failure. Prints a message to the Samba | |
1301 | * debug log in case of failure. | |
1302 | */ | |
1303 | ||
1304 | static int hpux_acl_sort(int acl_count, int calclass, struct acl *aclp) | |
1305 | { | |
1306 | #if !defined(HAVE_HPUX_ACLSORT) | |
1307 | /* | |
1308 | * The aclsort() system call is availabe on the latest HPUX General | |
1309 | * Patch Bundles. So for HPUX, we developed our version of acl_sort | |
1310 | * function. Because, we don't want to update to a new | |
1311 | * HPUX GR bundle just for aclsort() call. | |
1312 | */ | |
1313 | ||
1314 | struct hpux_acl_types acl_obj_count; | |
1315 | int n_class_obj_perm = 0; | |
1316 | int i, j; | |
1317 | ||
1318 | if(!acl_count) { | |
1319 | DEBUG(10,("Zero acl count passed. Returning Success\n")); | |
1320 | return 0; | |
1321 | } | |
1322 | ||
1323 | if(aclp == NULL) { | |
1324 | DEBUG(0,("Null ACL pointer in hpux_acl_sort. Returning Failure. \n")); | |
1325 | return -1; | |
1326 | } | |
1327 | ||
1328 | /* Count different types of ACLs in the ACLs array */ | |
1329 | ||
1330 | hpux_count_obj(acl_count, aclp, &acl_obj_count); | |
1331 | ||
1332 | /* There should be only one entry each of type USER_OBJ, GROUP_OBJ, | |
1333 | * CLASS_OBJ and OTHER_OBJ | |
1334 | */ | |
1335 | ||
1336 | if( (acl_obj_count.n_user_obj != 1) || | |
1337 | (acl_obj_count.n_group_obj != 1) || | |
1338 | (acl_obj_count.n_class_obj != 1) || | |
1339 | (acl_obj_count.n_other_obj != 1) | |
1340 | ) { | |
1341 | DEBUG(0,("hpux_acl_sort: More than one entry or no entries for \ | |
1342 | USER OBJ or GROUP_OBJ or OTHER_OBJ or CLASS_OBJ\n")); | |
1343 | return -1; | |
1344 | } | |
1345 | ||
1346 | /* If any of the default objects are present, there should be only | |
1347 | * one of them each. | |
1348 | */ | |
1349 | ||
1350 | if( (acl_obj_count.n_def_user_obj > 1) || (acl_obj_count.n_def_group_obj > 1) || | |
1351 | (acl_obj_count.n_def_other_obj > 1) || (acl_obj_count.n_def_class_obj > 1) ) { | |
1352 | DEBUG(0,("hpux_acl_sort: More than one entry for DEF_CLASS_OBJ \ | |
1353 | or DEF_USER_OBJ or DEF_GROUP_OBJ or DEF_OTHER_OBJ\n")); | |
1354 | return -1; | |
1355 | } | |
1356 | ||
1357 | /* We now have proper number of OBJ and DEF_OBJ entries. Now sort the acl | |
1358 | * structures. | |
1359 | * | |
1360 | * Sorting crieteria - First sort by ACL type. If there are multiple entries of | |
1361 | * same ACL type, sort by ACL id. | |
1362 | * | |
1363 | * I am using the trival kind of sorting method here because, performance isn't | |
1364 | * really effected by the ACLs feature. More over there aren't going to be more | |
1365 | * than 17 entries on HPUX. | |
1366 | */ | |
1367 | ||
1368 | for(i=0; i<acl_count;i++) { | |
1369 | for (j=i+1; j<acl_count; j++) { | |
1370 | if( aclp[i].a_type > aclp[j].a_type ) { | |
1371 | /* ACL entries out of order, swap them */ | |
1372 | ||
1373 | hpux_swap_acl_entries((aclp+i), (aclp+j)); | |
1374 | ||
1375 | } else if ( aclp[i].a_type == aclp[j].a_type ) { | |
1376 | ||
1377 | /* ACL entries of same type, sort by id */ | |
1378 | ||
1379 | if(aclp[i].a_id > aclp[j].a_id) { | |
1380 | hpux_swap_acl_entries((aclp+i), (aclp+j)); | |
1381 | } else if (aclp[i].a_id == aclp[j].a_id) { | |
1382 | /* We have a duplicate entry. */ | |
1383 | if(hpux_prohibited_duplicate_type(aclp[i].a_type)) { | |
1384 | DEBUG(0, ("hpux_acl_sort: Duplicate entry: Type(hex): %x Id: %d\n", | |
1385 | aclp[i].a_type, aclp[i].a_id)); | |
1386 | return -1; | |
1387 | } | |
1388 | } | |
1389 | ||
1390 | } | |
1391 | } | |
1392 | } | |
1393 | ||
1394 | /* set the class obj permissions to the computed one. */ | |
1395 | if(calclass) { | |
1396 | int n_class_obj_index = -1; | |
1397 | ||
1398 | for(i=0;i<acl_count;i++) { | |
1399 | n_class_obj_perm |= hpux_get_needed_class_perm((aclp+i)); | |
1400 | ||
1401 | if(aclp[i].a_type == CLASS_OBJ) | |
1402 | n_class_obj_index = i; | |
1403 | } | |
1404 | aclp[n_class_obj_index].a_perm = n_class_obj_perm; | |
1405 | } | |
1406 | ||
1407 | return 0; | |
1408 | #else | |
1409 | return aclsort(acl_count, calclass, aclp); | |
1410 | #endif | |
1411 | } | |
1412 | ||
1413 | /* | |
1414 | * sort the ACL and check it for validity | |
1415 | * | |
1416 | * if it's a minimal ACL with only 4 entries then we | |
1417 | * need to recalculate the mask permissions to make | |
1418 | * sure that they are the same as the GROUP_OBJ | |
1419 | * permissions as required by the UnixWare acl() system call. | |
1420 | * | |
1421 | * (note: since POSIX allows minimal ACLs which only contain | |
1422 | * 3 entries - ie there is no mask entry - we should, in theory, | |
1423 | * check for this and add a mask entry if necessary - however | |
1424 | * we "know" that the caller of this interface always specifies | |
1425 | * a mask so, in practice "this never happens" (tm) - if it *does* | |
1426 | * happen aclsort() will fail and return an error and someone will | |
1427 | * have to fix it ...) | |
1428 | */ | |
1429 | ||
1430 | static int acl_sort(SMB_ACL_T acl_d) | |
1431 | { | |
1432 | int fixmask = (acl_d->count <= 4); | |
1433 | ||
1434 | if (hpux_acl_sort(acl_d->count, fixmask, acl_d->acl) != 0) { | |
1435 | errno = EINVAL; | |
1436 | return -1; | |
1437 | } | |
1438 | return 0; | |
1439 | } | |
1440 | ||
1441 | int sys_acl_valid(SMB_ACL_T acl_d) | |
1442 | { | |
1443 | return acl_sort(acl_d); | |
1444 | } | |
1445 | ||
1446 | int sys_acl_set_file(const char *name, SMB_ACL_TYPE_T type, SMB_ACL_T acl_d) | |
1447 | { | |
1448 | struct stat s; | |
1449 | struct acl *acl_p; | |
1450 | int acl_count; | |
1451 | struct acl *acl_buf = NULL; | |
1452 | int ret; | |
1453 | ||
1454 | if(hpux_acl_call_presence() == False) { | |
1455 | /* Looks like we don't have the acl() system call on HPUX. | |
1456 | * May be the system doesn't have the latest version of JFS. | |
1457 | */ | |
1458 | errno=ENOSYS; | |
1459 | return -1; | |
1460 | } | |
1461 | ||
1462 | if (type != SMB_ACL_TYPE_ACCESS && type != SMB_ACL_TYPE_DEFAULT) { | |
1463 | errno = EINVAL; | |
1464 | return -1; | |
1465 | } | |
1466 | ||
1467 | if (acl_sort(acl_d) != 0) { | |
1468 | return -1; | |
1469 | } | |
1470 | ||
1471 | acl_p = &acl_d->acl[0]; | |
1472 | acl_count = acl_d->count; | |
1473 | ||
1474 | /* | |
1475 | * if it's a directory there is extra work to do | |
1476 | * since the acl() system call will replace both | |
1477 | * the access ACLs and the default ACLs (if any) | |
1478 | */ | |
1479 | if (stat(name, &s) != 0) { | |
1480 | return -1; | |
1481 | } | |
1482 | if (S_ISDIR(s.st_mode)) { | |
1483 | SMB_ACL_T acc_acl; | |
1484 | SMB_ACL_T def_acl; | |
1485 | SMB_ACL_T tmp_acl; | |
1486 | int i; | |
1487 | ||
1488 | if (type == SMB_ACL_TYPE_ACCESS) { | |
1489 | acc_acl = acl_d; | |
1490 | def_acl = tmp_acl = sys_acl_get_file(name, SMB_ACL_TYPE_DEFAULT); | |
1491 | ||
1492 | } else { | |
1493 | def_acl = acl_d; | |
1494 | acc_acl = tmp_acl = sys_acl_get_file(name, SMB_ACL_TYPE_ACCESS); | |
1495 | } | |
1496 | ||
1497 | if (tmp_acl == NULL) { | |
1498 | return -1; | |
1499 | } | |
1500 | ||
1501 | /* | |
1502 | * allocate a temporary buffer for the complete ACL | |
1503 | */ | |
1504 | acl_count = acc_acl->count + def_acl->count; | |
1505 | acl_p = acl_buf = SMB_MALLOC_ARRAY(struct acl, acl_count); | |
1506 | ||
1507 | if (acl_buf == NULL) { | |
1508 | sys_acl_free_acl(tmp_acl); | |
1509 | errno = ENOMEM; | |
1510 | return -1; | |
1511 | } | |
1512 | ||
1513 | /* | |
1514 | * copy the access control and default entries into the buffer | |
1515 | */ | |
1516 | memcpy(&acl_buf[0], &acc_acl->acl[0], | |
1517 | acc_acl->count * sizeof(acl_buf[0])); | |
1518 | ||
1519 | memcpy(&acl_buf[acc_acl->count], &def_acl->acl[0], | |
1520 | def_acl->count * sizeof(acl_buf[0])); | |
1521 | ||
1522 | /* | |
1523 | * set the ACL_DEFAULT flag on the default entries | |
1524 | */ | |
1525 | for (i = acc_acl->count; i < acl_count; i++) { | |
1526 | acl_buf[i].a_type |= ACL_DEFAULT; | |
1527 | } | |
1528 | ||
1529 | sys_acl_free_acl(tmp_acl); | |
1530 | ||
1531 | } else if (type != SMB_ACL_TYPE_ACCESS) { | |
1532 | errno = EINVAL; | |
1533 | return -1; | |
1534 | } | |
1535 | ||
1536 | ret = acl(name, ACL_SET, acl_count, acl_p); | |
1537 | ||
1538 | if (acl_buf) { | |
1539 | free(acl_buf); | |
1540 | } | |
1541 | ||
1542 | return ret; | |
1543 | } | |
1544 | ||
1b897d50 | 1545 | #if 0 |
1c3344a1 WD |
1546 | int sys_acl_set_fd(int fd, SMB_ACL_T acl_d) |
1547 | { | |
1548 | /* | |
1549 | * HPUX doesn't have the facl call. Fake it using the path.... JRA. | |
1550 | */ | |
1551 | ||
1552 | files_struct *fsp = file_find_fd(fd); | |
1553 | ||
1554 | if (fsp == NULL) { | |
1555 | errno = EBADF; | |
1556 | return NULL; | |
1557 | } | |
1558 | ||
1559 | if (acl_sort(acl_d) != 0) { | |
1560 | return -1; | |
1561 | } | |
1562 | ||
1563 | /* | |
1564 | * We know we're in the same conn context. So we | |
1565 | * can use the relative path. | |
1566 | */ | |
1567 | ||
1568 | return sys_acl_set_file(fsp->fsp_name, SMB_ACL_TYPE_ACCESS, acl_d); | |
1569 | } | |
1b897d50 | 1570 | #endif |
1c3344a1 WD |
1571 | |
1572 | int sys_acl_delete_def_file(const char *path) | |
1573 | { | |
1574 | SMB_ACL_T acl_d; | |
1575 | int ret; | |
1576 | ||
1577 | /* | |
1578 | * fetching the access ACL and rewriting it has | |
1579 | * the effect of deleting the default ACL | |
1580 | */ | |
1581 | if ((acl_d = sys_acl_get_file(path, SMB_ACL_TYPE_ACCESS)) == NULL) { | |
1582 | return -1; | |
1583 | } | |
1584 | ||
1585 | ret = acl(path, ACL_SET, acl_d->count, acl_d->acl); | |
1586 | ||
1587 | sys_acl_free_acl(acl_d); | |
1588 | ||
1589 | return ret; | |
1590 | } | |
1591 | ||
1c3344a1 WD |
1592 | int sys_acl_free_acl(SMB_ACL_T acl_d) |
1593 | { | |
1594 | free(acl_d); | |
1595 | return 0; | |
1596 | } | |
1597 | ||
1598 | int sys_acl_free_qualifier(void *qual, SMB_ACL_TAG_T tagtype) | |
1599 | { | |
1600 | return 0; | |
1601 | } | |
1602 | ||
1603 | #elif defined(HAVE_IRIX_ACLS) | |
1604 | ||
1605 | int sys_acl_get_entry(SMB_ACL_T acl_d, int entry_id, SMB_ACL_ENTRY_T *entry_p) | |
1606 | { | |
1607 | if (entry_id != SMB_ACL_FIRST_ENTRY && entry_id != SMB_ACL_NEXT_ENTRY) { | |
1608 | errno = EINVAL; | |
1609 | return -1; | |
1610 | } | |
1611 | ||
1612 | if (entry_p == NULL) { | |
1613 | errno = EINVAL; | |
1614 | return -1; | |
1615 | } | |
1616 | ||
1617 | if (entry_id == SMB_ACL_FIRST_ENTRY) { | |
1618 | acl_d->next = 0; | |
1619 | } | |
1620 | ||
1621 | if (acl_d->next < 0) { | |
1622 | errno = EINVAL; | |
1623 | return -1; | |
1624 | } | |
1625 | ||
1626 | if (acl_d->next >= acl_d->aclp->acl_cnt) { | |
1627 | return 0; | |
1628 | } | |
1629 | ||
1630 | *entry_p = &acl_d->aclp->acl_entry[acl_d->next++]; | |
1631 | ||
1632 | return 1; | |
1633 | } | |
1634 | ||
1635 | int sys_acl_get_tag_type(SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *type_p) | |
1636 | { | |
1637 | *type_p = entry_d->ae_tag; | |
1638 | ||
1639 | return 0; | |
1640 | } | |
1641 | ||
1c3344a1 WD |
1642 | void *sys_acl_get_qualifier(SMB_ACL_ENTRY_T entry_d) |
1643 | { | |
1644 | if (entry_d->ae_tag != SMB_ACL_USER | |
1645 | && entry_d->ae_tag != SMB_ACL_GROUP) { | |
1646 | errno = EINVAL; | |
1647 | return NULL; | |
1648 | } | |
1649 | ||
1650 | return &entry_d->ae_id; | |
1651 | } | |
1652 | ||
1653 | SMB_ACL_T sys_acl_get_file(const char *path_p, SMB_ACL_TYPE_T type) | |
1654 | { | |
1655 | SMB_ACL_T a; | |
1656 | ||
1657 | if ((a = SMB_MALLOC_P(struct SMB_ACL_T)) == NULL) { | |
1658 | errno = ENOMEM; | |
1659 | return NULL; | |
1660 | } | |
1661 | if ((a->aclp = acl_get_file(path_p, type)) == NULL) { | |
1662 | SAFE_FREE(a); | |
1663 | return NULL; | |
1664 | } | |
1665 | a->next = -1; | |
1666 | a->freeaclp = True; | |
1667 | return a; | |
1668 | } | |
1669 | ||
a30dcbc0 | 1670 | #if 0 |
1c3344a1 WD |
1671 | SMB_ACL_T sys_acl_get_fd(int fd) |
1672 | { | |
1673 | SMB_ACL_T a; | |
1674 | ||
1675 | if ((a = SMB_MALLOC_P(struct SMB_ACL_T)) == NULL) { | |
1676 | errno = ENOMEM; | |
1677 | return NULL; | |
1678 | } | |
1679 | if ((a->aclp = acl_get_fd(fd)) == NULL) { | |
1680 | SAFE_FREE(a); | |
1681 | return NULL; | |
1682 | } | |
1683 | a->next = -1; | |
1684 | a->freeaclp = True; | |
1685 | return a; | |
1686 | } | |
a30dcbc0 | 1687 | #endif |
1c3344a1 | 1688 | |
a30dcbc0 | 1689 | int sys_acl_get_access_bits(SMB_ACL_ENTRY_T entry_d, uint32 *bits) |
1c3344a1 | 1690 | { |
a30dcbc0 | 1691 | *bits = entry_d->ae_perm; |
1c3344a1 WD |
1692 | |
1693 | return 0; | |
1694 | } | |
1695 | ||
1c3344a1 WD |
1696 | SMB_ACL_T sys_acl_init(int count) |
1697 | { | |
1698 | SMB_ACL_T a; | |
1699 | ||
1700 | if (count < 0) { | |
1701 | errno = EINVAL; | |
1702 | return NULL; | |
1703 | } | |
1704 | ||
1705 | if ((a = SMB_MALLOC(sizeof(struct SMB_ACL_T) + sizeof(struct acl))) == NULL) { | |
1706 | errno = ENOMEM; | |
1707 | return NULL; | |
1708 | } | |
1709 | ||
1710 | a->next = -1; | |
1711 | a->freeaclp = False; | |
1712 | a->aclp = (struct acl *)(&a->aclp + sizeof(struct acl *)); | |
1713 | a->aclp->acl_cnt = 0; | |
1714 | ||
1715 | return a; | |
1716 | } | |
1717 | ||
1718 | ||
1719 | int sys_acl_create_entry(SMB_ACL_T *acl_p, SMB_ACL_ENTRY_T *entry_p) | |
1720 | { | |
1721 | SMB_ACL_T acl_d; | |
1722 | SMB_ACL_ENTRY_T entry_d; | |
1723 | ||
1724 | if (acl_p == NULL || entry_p == NULL || (acl_d = *acl_p) == NULL) { | |
1725 | errno = EINVAL; | |
1726 | return -1; | |
1727 | } | |
1728 | ||
1729 | if (acl_d->aclp->acl_cnt >= ACL_MAX_ENTRIES) { | |
1730 | errno = ENOSPC; | |
1731 | return -1; | |
1732 | } | |
1733 | ||
1734 | entry_d = &acl_d->aclp->acl_entry[acl_d->aclp->acl_cnt++]; | |
1735 | entry_d->ae_tag = 0; | |
1736 | entry_d->ae_id = 0; | |
1737 | entry_d->ae_perm = 0; | |
1738 | *entry_p = entry_d; | |
1739 | ||
1740 | return 0; | |
1741 | } | |
1742 | ||
1743 | int sys_acl_set_tag_type(SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T tag_type) | |
1744 | { | |
1745 | switch (tag_type) { | |
1746 | case SMB_ACL_USER: | |
1747 | case SMB_ACL_USER_OBJ: | |
1748 | case SMB_ACL_GROUP: | |
1749 | case SMB_ACL_GROUP_OBJ: | |
1750 | case SMB_ACL_OTHER: | |
1751 | case SMB_ACL_MASK: | |
1752 | entry_d->ae_tag = tag_type; | |
1753 | break; | |
1754 | default: | |
1755 | errno = EINVAL; | |
1756 | return -1; | |
1757 | } | |
1758 | ||
1759 | return 0; | |
1760 | } | |
1761 | ||
1762 | int sys_acl_set_qualifier(SMB_ACL_ENTRY_T entry_d, void *qual_p) | |
1763 | { | |
1764 | if (entry_d->ae_tag != SMB_ACL_GROUP | |
1765 | && entry_d->ae_tag != SMB_ACL_USER) { | |
1766 | errno = EINVAL; | |
1767 | return -1; | |
1768 | } | |
1769 | ||
1770 | entry_d->ae_id = *((id_t *)qual_p); | |
1771 | ||
1772 | return 0; | |
1773 | } | |
1774 | ||
a30dcbc0 | 1775 | int sys_acl_set_access_bits(SMB_ACL_ENTRY_T entry_d, uint32 bits) |
1c3344a1 | 1776 | { |
a30dcbc0 | 1777 | entry_d->ae_perm = bits; |
1c3344a1 WD |
1778 | |
1779 | return 0; | |
1780 | } | |
1781 | ||
1782 | int sys_acl_valid(SMB_ACL_T acl_d) | |
1783 | { | |
1784 | return acl_valid(acl_d->aclp); | |
1785 | } | |
1786 | ||
1787 | int sys_acl_set_file(const char *name, SMB_ACL_TYPE_T type, SMB_ACL_T acl_d) | |
1788 | { | |
1789 | return acl_set_file(name, type, acl_d->aclp); | |
1790 | } | |
1791 | ||
1792 | int sys_acl_set_fd(int fd, SMB_ACL_T acl_d) | |
1793 | { | |
1794 | return acl_set_fd(fd, acl_d->aclp); | |
1795 | } | |
1796 | ||
1797 | int sys_acl_delete_def_file(const char *name) | |
1798 | { | |
1799 | return acl_delete_def_file(name); | |
1800 | } | |
1801 | ||
1c3344a1 WD |
1802 | int sys_acl_free_acl(SMB_ACL_T acl_d) |
1803 | { | |
1804 | if (acl_d->freeaclp) { | |
1805 | acl_free(acl_d->aclp); | |
1806 | } | |
1807 | acl_free(acl_d); | |
1808 | return 0; | |
1809 | } | |
1810 | ||
1811 | int sys_acl_free_qualifier(void *qual, SMB_ACL_TAG_T tagtype) | |
1812 | { | |
1813 | return 0; | |
1814 | } | |
1815 | ||
1816 | #elif defined(HAVE_AIX_ACLS) | |
1817 | ||
1818 | /* Donated by Medha Date, mdate@austin.ibm.com, for IBM */ | |
1819 | ||
1820 | int sys_acl_get_entry( SMB_ACL_T theacl, int entry_id, SMB_ACL_ENTRY_T *entry_p) | |
1821 | { | |
1822 | struct acl_entry_link *link; | |
1823 | struct new_acl_entry *entry; | |
1824 | int keep_going; | |
1825 | ||
1826 | DEBUG(10,("This is the count: %d\n",theacl->count)); | |
1827 | ||
1828 | /* Check if count was previously set to -1. * | |
1829 | * If it was, that means we reached the end * | |
1830 | * of the acl last time. */ | |
1831 | if(theacl->count == -1) | |
1832 | return(0); | |
1833 | ||
1834 | link = theacl; | |
1835 | /* To get to the next acl, traverse linked list until index * | |
1836 | * of acl matches the count we are keeping. This count is * | |
1837 | * incremented each time we return an acl entry. */ | |
1838 | ||
1839 | for(keep_going = 0; keep_going < theacl->count; keep_going++) | |
1840 | link = link->nextp; | |
1841 | ||
1842 | entry = *entry_p = link->entryp; | |
1843 | ||
1844 | DEBUG(10,("*entry_p is %d\n",entry_p)); | |
1845 | DEBUG(10,("*entry_p->ace_access is %d\n",entry->ace_access)); | |
1846 | ||
1847 | /* Increment count */ | |
1848 | theacl->count++; | |
1849 | if(link->nextp == NULL) | |
1850 | theacl->count = -1; | |
1851 | ||
1852 | return(1); | |
1853 | } | |
1854 | ||
1855 | int sys_acl_get_tag_type( SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *tag_type_p) | |
1856 | { | |
1857 | /* Initialize tag type */ | |
1858 | ||
1859 | *tag_type_p = -1; | |
1860 | DEBUG(10,("the tagtype is %d\n",entry_d->ace_id->id_type)); | |
1861 | ||
1862 | /* Depending on what type of entry we have, * | |
1863 | * return tag type. */ | |
1864 | switch(entry_d->ace_id->id_type) { | |
1865 | case ACEID_USER: | |
1866 | *tag_type_p = SMB_ACL_USER; | |
1867 | break; | |
1868 | case ACEID_GROUP: | |
1869 | *tag_type_p = SMB_ACL_GROUP; | |
1870 | break; | |
1871 | ||
1872 | case SMB_ACL_USER_OBJ: | |
1873 | case SMB_ACL_GROUP_OBJ: | |
1874 | case SMB_ACL_OTHER: | |
1875 | *tag_type_p = entry_d->ace_id->id_type; | |
1876 | break; | |
1877 | ||
1878 | default: | |
1879 | return(-1); | |
1880 | } | |
1881 | ||
1882 | return(0); | |
1883 | } | |
1884 | ||
a30dcbc0 | 1885 | int sys_acl_get_access_bits(SMB_ACL_ENTRY_T entry_d, uint32 *bits) |
1c3344a1 | 1886 | { |
a30dcbc0 WD |
1887 | SMB_ACL_PERMSET_T permset; |
1888 | DEBUG(10,("Starting AIX sys_acl_get_access_bits\n")); | |
1889 | permset = &entry_d->ace_access; | |
1890 | DEBUG(10,("*permset is %d\n",*permset)); | |
1891 | *bits = (*permset & S_IRUSR ? 4 : 0) | |
1892 | | (*permset & S_IWUSR ? 2 : 0) | |
1893 | | (*permset & S_IXUSR ? 1 : 0); | |
1894 | DEBUG(10,("Ending AIX sys_acl_get_access_bits\n")); | |
1c3344a1 WD |
1895 | return(0); |
1896 | } | |
1897 | ||
1898 | void *sys_acl_get_qualifier( SMB_ACL_ENTRY_T entry_d) | |
1899 | { | |
1900 | return(entry_d->ace_id->id_data); | |
1901 | } | |
1902 | ||
1903 | SMB_ACL_T sys_acl_get_file( const char *path_p, SMB_ACL_TYPE_T type) | |
1904 | { | |
1905 | struct acl *file_acl = (struct acl *)NULL; | |
1906 | struct acl_entry *acl_entry; | |
1907 | struct new_acl_entry *new_acl_entry; | |
1908 | struct ace_id *idp; | |
1909 | struct acl_entry_link *acl_entry_link; | |
1910 | struct acl_entry_link *acl_entry_link_head; | |
1911 | int i; | |
1912 | int rc = 0; | |
1913 | uid_t user_id; | |
1914 | ||
1915 | /* AIX has no DEFAULT */ | |
1916 | if ( type == SMB_ACL_TYPE_DEFAULT ) { | |
1917 | errno = ENOTSUP; | |
1918 | return NULL; | |
1919 | } | |
1920 | ||
1921 | /* Get the acl using statacl */ | |
1922 | ||
1923 | DEBUG(10,("Entering sys_acl_get_file\n")); | |
1924 | DEBUG(10,("path_p is %s\n",path_p)); | |
1925 | ||
1926 | file_acl = (struct acl *)SMB_MALLOC(BUFSIZ); | |
1927 | ||
1928 | if(file_acl == NULL) { | |
1929 | errno=ENOMEM; | |
1930 | DEBUG(0,("Error in AIX sys_acl_get_file: %d\n",errno)); | |
1931 | return(NULL); | |
1932 | } | |
1933 | ||
1934 | memset(file_acl,0,BUFSIZ); | |
1935 | ||
1936 | rc = statacl((char *)path_p,0,file_acl,BUFSIZ); | |
1937 | if(rc == -1) { | |
1938 | DEBUG(0,("statacl returned %d with errno %d\n",rc,errno)); | |
1939 | SAFE_FREE(file_acl); | |
1940 | return(NULL); | |
1941 | } | |
1942 | ||
1943 | DEBUG(10,("Got facl and returned it\n")); | |
1944 | ||
1945 | /* Point to the first acl entry in the acl */ | |
1946 | acl_entry = file_acl->acl_ext; | |
1947 | ||
1948 | /* Begin setting up the head of the linked list * | |
1949 | * that will be used for the storing the acl * | |
1950 | * in a way that is useful for the posix_acls.c * | |
1951 | * code. */ | |
1952 | ||
1953 | acl_entry_link_head = acl_entry_link = sys_acl_init(0); | |
1954 | if(acl_entry_link_head == NULL) | |
1955 | return(NULL); | |
1956 | ||
1957 | acl_entry_link->entryp = SMB_MALLOC_P(struct new_acl_entry); | |
1958 | if(acl_entry_link->entryp == NULL) { | |
1959 | SAFE_FREE(file_acl); | |
1960 | errno = ENOMEM; | |
1961 | DEBUG(0,("Error in AIX sys_acl_get_file is %d\n",errno)); | |
1962 | return(NULL); | |
1963 | } | |
1964 | ||
1965 | DEBUG(10,("acl_entry is %d\n",acl_entry)); | |
1966 | DEBUG(10,("acl_last(file_acl) id %d\n",acl_last(file_acl))); | |
1967 | ||
1968 | /* Check if the extended acl bit is on. * | |
1969 | * If it isn't, do not show the * | |
1970 | * contents of the acl since AIX intends * | |
1971 | * the extended info to remain unused */ | |
1972 | ||
1973 | if(file_acl->acl_mode & S_IXACL){ | |
1974 | /* while we are not pointing to the very end */ | |
1975 | while(acl_entry < acl_last(file_acl)) { | |
1976 | /* before we malloc anything, make sure this is */ | |
1977 | /* a valid acl entry and one that we want to map */ | |
1978 | idp = id_nxt(acl_entry->ace_id); | |
1979 | if((acl_entry->ace_type == ACC_SPECIFY || | |
1980 | (acl_entry->ace_type == ACC_PERMIT)) && (idp != id_last(acl_entry))) { | |
1981 | acl_entry = acl_nxt(acl_entry); | |
1982 | continue; | |
1983 | } | |
1984 | ||
1985 | idp = acl_entry->ace_id; | |
1986 | ||
1987 | /* Check if this is the first entry in the linked list. * | |
1988 | * The first entry needs to keep prevp pointing to NULL * | |
1989 | * and already has entryp allocated. */ | |
1990 | ||
1991 | if(acl_entry_link_head->count != 0) { | |
1992 | acl_entry_link->nextp = SMB_MALLOC_P(struct acl_entry_link); | |
1993 | ||
1994 | if(acl_entry_link->nextp == NULL) { | |
1995 | SAFE_FREE(file_acl); | |
1996 | errno = ENOMEM; | |
1997 | DEBUG(0,("Error in AIX sys_acl_get_file is %d\n",errno)); | |
1998 | return(NULL); | |
1999 | } | |
2000 | ||
2001 | acl_entry_link->nextp->prevp = acl_entry_link; | |
2002 | acl_entry_link = acl_entry_link->nextp; | |
2003 | acl_entry_link->entryp = SMB_MALLOC_P(struct new_acl_entry); | |
2004 | if(acl_entry_link->entryp == NULL) { | |
2005 | SAFE_FREE(file_acl); | |
2006 | errno = ENOMEM; | |
2007 | DEBUG(0,("Error in AIX sys_acl_get_file is %d\n",errno)); | |
2008 | return(NULL); | |
2009 | } | |
2010 | acl_entry_link->nextp = NULL; | |
2011 | } | |
2012 | ||
2013 | acl_entry_link->entryp->ace_len = acl_entry->ace_len; | |
2014 | ||
2015 | /* Don't really need this since all types are going * | |
2016 | * to be specified but, it's better than leaving it 0 */ | |
2017 | ||
2018 | acl_entry_link->entryp->ace_type = acl_entry->ace_type; | |
2019 | ||
2020 | acl_entry_link->entryp->ace_access = acl_entry->ace_access; | |
2021 | ||
2022 | memcpy(acl_entry_link->entryp->ace_id,idp,sizeof(struct ace_id)); | |
2023 | ||
2024 | /* The access in the acl entries must be left shifted by * | |
2025 | * three bites, because they will ultimately be compared * | |
2026 | * to S_IRUSR, S_IWUSR, and S_IXUSR. */ | |
2027 | ||
2028 | switch(acl_entry->ace_type){ | |
2029 | case ACC_PERMIT: | |
2030 | case ACC_SPECIFY: | |
2031 | acl_entry_link->entryp->ace_access = acl_entry->ace_access; | |
2032 | acl_entry_link->entryp->ace_access <<= 6; | |
2033 | acl_entry_link_head->count++; | |
2034 | break; | |
2035 | case ACC_DENY: | |
2036 | /* Since there is no way to return a DENY acl entry * | |
2037 | * change to PERMIT and then shift. */ | |
2038 | DEBUG(10,("acl_entry->ace_access is %d\n",acl_entry->ace_access)); | |
2039 | acl_entry_link->entryp->ace_access = ~acl_entry->ace_access & 7; | |
2040 | DEBUG(10,("acl_entry_link->entryp->ace_access is %d\n",acl_entry_link->entryp->ace_access)); | |
2041 | acl_entry_link->entryp->ace_access <<= 6; | |
2042 | acl_entry_link_head->count++; | |
2043 | break; | |
2044 | default: | |
2045 | return(0); | |
2046 | } | |
2047 | ||
2048 | DEBUG(10,("acl_entry = %d\n",acl_entry)); | |
2049 | DEBUG(10,("The ace_type is %d\n",acl_entry->ace_type)); | |
2050 | ||
2051 | acl_entry = acl_nxt(acl_entry); | |
2052 | } | |
2053 | } /* end of if enabled */ | |
2054 | ||
2055 | /* Since owner, group, other acl entries are not * | |
2056 | * part of the acl entries in an acl, they must * | |
2057 | * be dummied up to become part of the list. */ | |
2058 | ||
2059 | for( i = 1; i < 4; i++) { | |
2060 | DEBUG(10,("i is %d\n",i)); | |
2061 | if(acl_entry_link_head->count != 0) { | |
2062 | acl_entry_link->nextp = SMB_MALLOC_P(struct acl_entry_link); | |
2063 | if(acl_entry_link->nextp == NULL) { | |
2064 | SAFE_FREE(file_acl); | |
2065 | errno = ENOMEM; | |
2066 | DEBUG(0,("Error in AIX sys_acl_get_file is %d\n",errno)); | |
2067 | return(NULL); | |
2068 | } | |
2069 | ||
2070 | acl_entry_link->nextp->prevp = acl_entry_link; | |
2071 | acl_entry_link = acl_entry_link->nextp; | |
2072 | acl_entry_link->entryp = SMB_MALLOC_P(struct new_acl_entry); | |
2073 | if(acl_entry_link->entryp == NULL) { | |
2074 | SAFE_FREE(file_acl); | |
2075 | errno = ENOMEM; | |
2076 | DEBUG(0,("Error in AIX sys_acl_get_file is %d\n",errno)); | |
2077 | return(NULL); | |
2078 | } | |
2079 | } | |
2080 | ||
2081 | acl_entry_link->nextp = NULL; | |
2082 | ||
2083 | new_acl_entry = acl_entry_link->entryp; | |
2084 | idp = new_acl_entry->ace_id; | |
2085 | ||
2086 | new_acl_entry->ace_len = sizeof(struct acl_entry); | |
2087 | new_acl_entry->ace_type = ACC_PERMIT; | |
2088 | idp->id_len = sizeof(struct ace_id); | |
2089 | DEBUG(10,("idp->id_len = %d\n",idp->id_len)); | |
2090 | memset(idp->id_data,0,sizeof(uid_t)); | |
2091 | ||
2092 | switch(i) { | |
2093 | case 2: | |
2094 | new_acl_entry->ace_access = file_acl->g_access << 6; | |
2095 | idp->id_type = SMB_ACL_GROUP_OBJ; | |
2096 | break; | |
2097 | ||
2098 | case 3: | |
2099 | new_acl_entry->ace_access = file_acl->o_access << 6; | |
2100 | idp->id_type = SMB_ACL_OTHER; | |
2101 | break; | |
2102 | ||
2103 | case 1: | |
2104 | new_acl_entry->ace_access = file_acl->u_access << 6; | |
2105 | idp->id_type = SMB_ACL_USER_OBJ; | |
2106 | break; | |
2107 | ||
2108 | default: | |
2109 | return(NULL); | |
2110 | ||
2111 | } | |
2112 | ||
2113 | acl_entry_link_head->count++; | |
2114 | DEBUG(10,("new_acl_entry->ace_access = %d\n",new_acl_entry->ace_access)); | |
2115 | } | |
2116 | ||
2117 | acl_entry_link_head->count = 0; | |
2118 | SAFE_FREE(file_acl); | |
2119 | ||
2120 | return(acl_entry_link_head); | |
2121 | } | |
2122 | ||
a30dcbc0 | 2123 | #if 0 |
1c3344a1 WD |
2124 | SMB_ACL_T sys_acl_get_fd(int fd) |
2125 | { | |
2126 | struct acl *file_acl = (struct acl *)NULL; | |
2127 | struct acl_entry *acl_entry; | |
2128 | struct new_acl_entry *new_acl_entry; | |
2129 | struct ace_id *idp; | |
2130 | struct acl_entry_link *acl_entry_link; | |
2131 | struct acl_entry_link *acl_entry_link_head; | |
2132 | int i; | |
2133 | int rc = 0; | |
2134 | uid_t user_id; | |
2135 | ||
2136 | /* Get the acl using fstatacl */ | |
2137 | ||
2138 | DEBUG(10,("Entering sys_acl_get_fd\n")); | |
2139 | DEBUG(10,("fd is %d\n",fd)); | |
2140 | file_acl = (struct acl *)SMB_MALLOC(BUFSIZ); | |
2141 | ||
2142 | if(file_acl == NULL) { | |
2143 | errno=ENOMEM; | |
2144 | DEBUG(0,("Error in sys_acl_get_fd is %d\n",errno)); | |
2145 | return(NULL); | |
2146 | } | |
2147 | ||
2148 | memset(file_acl,0,BUFSIZ); | |
2149 | ||
2150 | rc = fstatacl(fd,0,file_acl,BUFSIZ); | |
2151 | if(rc == -1) { | |
2152 | DEBUG(0,("The fstatacl call returned %d with errno %d\n",rc,errno)); | |
2153 | SAFE_FREE(file_acl); | |
2154 | return(NULL); | |
2155 | } | |
2156 | ||
2157 | DEBUG(10,("Got facl and returned it\n")); | |
2158 | ||
2159 | /* Point to the first acl entry in the acl */ | |
2160 | ||
2161 | acl_entry = file_acl->acl_ext; | |
2162 | /* Begin setting up the head of the linked list * | |
2163 | * that will be used for the storing the acl * | |
2164 | * in a way that is useful for the posix_acls.c * | |
2165 | * code. */ | |
2166 | ||
2167 | acl_entry_link_head = acl_entry_link = sys_acl_init(0); | |
2168 | if(acl_entry_link_head == NULL){ | |
2169 | SAFE_FREE(file_acl); | |
2170 | return(NULL); | |
2171 | } | |
2172 | ||
2173 | acl_entry_link->entryp = SMB_MALLOC_P(struct new_acl_entry); | |
2174 | ||
2175 | if(acl_entry_link->entryp == NULL) { | |
2176 | errno = ENOMEM; | |
2177 | DEBUG(0,("Error in sys_acl_get_fd is %d\n",errno)); | |
2178 | SAFE_FREE(file_acl); | |
2179 | return(NULL); | |
2180 | } | |
2181 | ||
2182 | DEBUG(10,("acl_entry is %d\n",acl_entry)); | |
2183 | DEBUG(10,("acl_last(file_acl) id %d\n",acl_last(file_acl))); | |
2184 | ||
2185 | /* Check if the extended acl bit is on. * | |
2186 | * If it isn't, do not show the * | |
2187 | * contents of the acl since AIX intends * | |
2188 | * the extended info to remain unused */ | |
2189 | ||
2190 | if(file_acl->acl_mode & S_IXACL){ | |
2191 | /* while we are not pointing to the very end */ | |
2192 | while(acl_entry < acl_last(file_acl)) { | |
2193 | /* before we malloc anything, make sure this is */ | |
2194 | /* a valid acl entry and one that we want to map */ | |
2195 | ||
2196 | idp = id_nxt(acl_entry->ace_id); | |
2197 | if((acl_entry->ace_type == ACC_SPECIFY || | |
2198 | (acl_entry->ace_type == ACC_PERMIT)) && (idp != id_last(acl_entry))) { | |
2199 | acl_entry = acl_nxt(acl_entry); | |
2200 | continue; | |
2201 | } | |
2202 | ||
2203 | idp = acl_entry->ace_id; | |
2204 | ||
2205 | /* Check if this is the first entry in the linked list. * | |
2206 | * The first entry needs to keep prevp pointing to NULL * | |
2207 | * and already has entryp allocated. */ | |
2208 | ||
2209 | if(acl_entry_link_head->count != 0) { | |
2210 | acl_entry_link->nextp = SMB_MALLOC_P(struct acl_entry_link); | |
2211 | if(acl_entry_link->nextp == NULL) { | |
2212 | errno = ENOMEM; | |
2213 | DEBUG(0,("Error in sys_acl_get_fd is %d\n",errno)); | |
2214 | SAFE_FREE(file_acl); | |
2215 | return(NULL); | |
2216 | } | |
2217 | acl_entry_link->nextp->prevp = acl_entry_link; | |
2218 | acl_entry_link = acl_entry_link->nextp; | |
2219 | acl_entry_link->entryp = SMB_MALLOC_P(struct new_acl_entry); | |
2220 | if(acl_entry_link->entryp == NULL) { | |
2221 | errno = ENOMEM; | |
2222 | DEBUG(0,("Error in sys_acl_get_fd is %d\n",errno)); | |
2223 | SAFE_FREE(file_acl); | |
2224 | return(NULL); | |
2225 | } | |
2226 | ||
2227 | acl_entry_link->nextp = NULL; | |
2228 | } | |
2229 | ||
2230 | acl_entry_link->entryp->ace_len = acl_entry->ace_len; | |
2231 | ||
2232 | /* Don't really need this since all types are going * | |
2233 | * to be specified but, it's better than leaving it 0 */ | |
2234 | ||
2235 | acl_entry_link->entryp->ace_type = acl_entry->ace_type; | |
2236 | acl_entry_link->entryp->ace_access = acl_entry->ace_access; | |
2237 | ||
2238 | memcpy(acl_entry_link->entryp->ace_id, idp, sizeof(struct ace_id)); | |
2239 | ||
2240 | /* The access in the acl entries must be left shifted by * | |
2241 | * three bites, because they will ultimately be compared * | |
2242 | * to S_IRUSR, S_IWUSR, and S_IXUSR. */ | |
2243 | ||
2244 | switch(acl_entry->ace_type){ | |
2245 | case ACC_PERMIT: | |
2246 | case ACC_SPECIFY: | |
2247 | acl_entry_link->entryp->ace_access = acl_entry->ace_access; | |
2248 | acl_entry_link->entryp->ace_access <<= 6; | |
2249 | acl_entry_link_head->count++; | |
2250 | break; | |
2251 | case ACC_DENY: | |
2252 | /* Since there is no way to return a DENY acl entry * | |
2253 | * change to PERMIT and then shift. */ | |
2254 | DEBUG(10,("acl_entry->ace_access is %d\n",acl_entry->ace_access)); | |
2255 | acl_entry_link->entryp->ace_access = ~acl_entry->ace_access & 7; | |
2256 | DEBUG(10,("acl_entry_link->entryp->ace_access is %d\n",acl_entry_link->entryp->ace_access)); | |
2257 | acl_entry_link->entryp->ace_access <<= 6; | |
2258 | acl_entry_link_head->count++; | |
2259 | break; | |
2260 | default: | |
2261 | return(0); | |
2262 | } | |
2263 | ||
2264 | DEBUG(10,("acl_entry = %d\n",acl_entry)); | |
2265 | DEBUG(10,("The ace_type is %d\n",acl_entry->ace_type)); | |
2266 | ||
2267 | acl_entry = acl_nxt(acl_entry); | |
2268 | } | |
2269 | } /* end of if enabled */ | |
2270 | ||
2271 | /* Since owner, group, other acl entries are not * | |
2272 | * part of the acl entries in an acl, they must * | |
2273 | * be dummied up to become part of the list. */ | |
2274 | ||
2275 | for( i = 1; i < 4; i++) { | |
2276 | DEBUG(10,("i is %d\n",i)); | |
2277 | if(acl_entry_link_head->count != 0){ | |
2278 | acl_entry_link->nextp = SMB_MALLOC_P(struct acl_entry_link); | |
2279 | if(acl_entry_link->nextp == NULL) { | |
2280 | errno = ENOMEM; | |
2281 | DEBUG(0,("Error in sys_acl_get_fd is %d\n",errno)); | |
2282 | SAFE_FREE(file_acl); | |
2283 | return(NULL); | |
2284 | } | |
2285 | ||
2286 | acl_entry_link->nextp->prevp = acl_entry_link; | |
2287 | acl_entry_link = acl_entry_link->nextp; | |
2288 | acl_entry_link->entryp = SMB_MALLOC_P(struct new_acl_entry); | |
2289 | ||
2290 | if(acl_entry_link->entryp == NULL) { | |
2291 | SAFE_FREE(file_acl); | |
2292 | errno = ENOMEM; | |
2293 | DEBUG(0,("Error in sys_acl_get_fd is %d\n",errno)); | |
2294 | return(NULL); | |
2295 | } | |
2296 | } | |
2297 | ||
2298 | acl_entry_link->nextp = NULL; | |
2299 | ||
2300 | new_acl_entry = acl_entry_link->entryp; | |
2301 | idp = new_acl_entry->ace_id; | |
2302 | ||
2303 | new_acl_entry->ace_len = sizeof(struct acl_entry); | |
2304 | new_acl_entry->ace_type = ACC_PERMIT; | |
2305 | idp->id_len = sizeof(struct ace_id); | |
2306 | DEBUG(10,("idp->id_len = %d\n",idp->id_len)); | |
2307 | memset(idp->id_data,0,sizeof(uid_t)); | |
2308 | ||
2309 | switch(i) { | |
2310 | case 2: | |
2311 | new_acl_entry->ace_access = file_acl->g_access << 6; | |
2312 | idp->id_type = SMB_ACL_GROUP_OBJ; | |
2313 | break; | |
2314 | ||
2315 | case 3: | |
2316 | new_acl_entry->ace_access = file_acl->o_access << 6; | |
2317 | idp->id_type = SMB_ACL_OTHER; | |
2318 | break; | |
2319 | ||
2320 | case 1: | |
2321 | new_acl_entry->ace_access = file_acl->u_access << 6; | |
2322 | idp->id_type = SMB_ACL_USER_OBJ; | |
2323 | break; | |
2324 | ||
2325 | default: | |
2326 | return(NULL); | |
2327 | } | |
2328 | ||
2329 | acl_entry_link_head->count++; | |
2330 | DEBUG(10,("new_acl_entry->ace_access = %d\n",new_acl_entry->ace_access)); | |
2331 | } | |
2332 | ||
2333 | acl_entry_link_head->count = 0; | |
2334 | SAFE_FREE(file_acl); | |
2335 | ||
2336 | return(acl_entry_link_head); | |
2337 | } | |
a30dcbc0 | 2338 | #endif |
1c3344a1 WD |
2339 | |
2340 | SMB_ACL_T sys_acl_init( int count) | |
2341 | { | |
2342 | struct acl_entry_link *theacl = NULL; | |
2343 | ||
2344 | DEBUG(10,("Entering sys_acl_init\n")); | |
2345 | ||
2346 | theacl = SMB_MALLOC_P(struct acl_entry_link); | |
2347 | if(theacl == NULL) { | |
2348 | errno = ENOMEM; | |
2349 | DEBUG(0,("Error in sys_acl_init is %d\n",errno)); | |
2350 | return(NULL); | |
2351 | } | |
2352 | ||
2353 | theacl->count = 0; | |
2354 | theacl->nextp = NULL; | |
2355 | theacl->prevp = NULL; | |
2356 | theacl->entryp = NULL; | |
2357 | DEBUG(10,("Exiting sys_acl_init\n")); | |
2358 | return(theacl); | |
2359 | } | |
2360 | ||
2361 | int sys_acl_create_entry( SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry) | |
2362 | { | |
2363 | struct acl_entry_link *theacl; | |
2364 | struct acl_entry_link *acl_entryp; | |
2365 | struct acl_entry_link *temp_entry; | |
2366 | int counting; | |
2367 | ||
2368 | DEBUG(10,("Entering the sys_acl_create_entry\n")); | |
2369 | ||
2370 | theacl = acl_entryp = *pacl; | |
2371 | ||
2372 | /* Get to the end of the acl before adding entry */ | |
2373 | ||
2374 | for(counting=0; counting < theacl->count; counting++){ | |
2375 | DEBUG(10,("The acl_entryp is %d\n",acl_entryp)); | |
2376 | temp_entry = acl_entryp; | |
2377 | acl_entryp = acl_entryp->nextp; | |
2378 | } | |
2379 | ||
2380 | if(theacl->count != 0){ | |
2381 | temp_entry->nextp = acl_entryp = SMB_MALLOC_P(struct acl_entry_link); | |
2382 | if(acl_entryp == NULL) { | |
2383 | errno = ENOMEM; | |
2384 | DEBUG(0,("Error in sys_acl_create_entry is %d\n",errno)); | |
2385 | return(-1); | |
2386 | } | |
2387 | ||
2388 | DEBUG(10,("The acl_entryp is %d\n",acl_entryp)); | |
2389 | acl_entryp->prevp = temp_entry; | |
2390 | DEBUG(10,("The acl_entryp->prevp is %d\n",acl_entryp->prevp)); | |
2391 | } | |
2392 | ||
2393 | *pentry = acl_entryp->entryp = SMB_MALLOC_P(struct new_acl_entry); | |
2394 | if(*pentry == NULL) { | |
2395 | errno = ENOMEM; | |
2396 | DEBUG(0,("Error in sys_acl_create_entry is %d\n",errno)); | |
2397 | return(-1); | |
2398 | } | |
2399 | ||
2400 | memset(*pentry,0,sizeof(struct new_acl_entry)); | |
2401 | acl_entryp->entryp->ace_len = sizeof(struct acl_entry); | |
2402 | acl_entryp->entryp->ace_type = ACC_PERMIT; | |
2403 | acl_entryp->entryp->ace_id->id_len = sizeof(struct ace_id); | |
2404 | acl_entryp->nextp = NULL; | |
2405 | theacl->count++; | |
2406 | DEBUG(10,("Exiting sys_acl_create_entry\n")); | |
2407 | return(0); | |
2408 | } | |
2409 | ||
2410 | int sys_acl_set_tag_type( SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tagtype) | |
2411 | { | |
2412 | DEBUG(10,("Starting AIX sys_acl_set_tag_type\n")); | |
2413 | entry->ace_id->id_type = tagtype; | |
2414 | DEBUG(10,("The tag type is %d\n",entry->ace_id->id_type)); | |
2415 | DEBUG(10,("Ending AIX sys_acl_set_tag_type\n")); | |
2416 | } | |
2417 | ||
2418 | int sys_acl_set_qualifier( SMB_ACL_ENTRY_T entry, void *qual) | |
2419 | { | |
2420 | DEBUG(10,("Starting AIX sys_acl_set_qualifier\n")); | |
2421 | memcpy(entry->ace_id->id_data,qual,sizeof(uid_t)); | |
2422 | DEBUG(10,("Ending AIX sys_acl_set_qualifier\n")); | |
2423 | return(0); | |
2424 | } | |
2425 | ||
a30dcbc0 | 2426 | int sys_acl_set_access_bits(SMB_ACL_ENTRY_T entry, uint32 bits) |
1c3344a1 WD |
2427 | { |
2428 | DEBUG(10,("Starting AIX sys_acl_set_permset\n")); | |
a30dcbc0 | 2429 | entry->ace_access = bits; |
1c3344a1 WD |
2430 | DEBUG(10,("entry->ace_access = %d\n",entry->ace_access)); |
2431 | DEBUG(10,("Ending AIX sys_acl_set_permset\n")); | |
2432 | return(0); | |
2433 | } | |
2434 | ||
2435 | int sys_acl_valid( SMB_ACL_T theacl ) | |
2436 | { | |
2437 | int user_obj = 0; | |
2438 | int group_obj = 0; | |
2439 | int other_obj = 0; | |
2440 | struct acl_entry_link *acl_entry; | |
2441 | ||
2442 | for(acl_entry=theacl; acl_entry != NULL; acl_entry = acl_entry->nextp) { | |
2443 | user_obj += (acl_entry->entryp->ace_id->id_type == SMB_ACL_USER_OBJ); | |
2444 | group_obj += (acl_entry->entryp->ace_id->id_type == SMB_ACL_GROUP_OBJ); | |
2445 | other_obj += (acl_entry->entryp->ace_id->id_type == SMB_ACL_OTHER); | |
2446 | } | |
2447 | ||
2448 | DEBUG(10,("user_obj=%d, group_obj=%d, other_obj=%d\n",user_obj,group_obj,other_obj)); | |
2449 | ||
2450 | if(user_obj != 1 || group_obj != 1 || other_obj != 1) | |
2451 | return(-1); | |
2452 | ||
2453 | return(0); | |
2454 | } | |
2455 | ||
2456 | int sys_acl_set_file( const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl) | |
2457 | { | |
2458 | struct acl_entry_link *acl_entry_link = NULL; | |
2459 | struct acl *file_acl = NULL; | |
2460 | struct acl *file_acl_temp = NULL; | |
2461 | struct acl_entry *acl_entry = NULL; | |
2462 | struct ace_id *ace_id = NULL; | |
2463 | uint id_type; | |
2464 | uint ace_access; | |
2465 | uint user_id; | |
2466 | uint acl_length; | |
2467 | uint rc; | |
2468 | ||
2469 | DEBUG(10,("Entering sys_acl_set_file\n")); | |
2470 | DEBUG(10,("File name is %s\n",name)); | |
2471 | ||
2472 | /* AIX has no default ACL */ | |
2473 | if(acltype == SMB_ACL_TYPE_DEFAULT) | |
2474 | return(0); | |
2475 | ||
2476 | acl_length = BUFSIZ; | |
2477 | file_acl = (struct acl *)SMB_MALLOC(BUFSIZ); | |
2478 | ||
2479 | if(file_acl == NULL) { | |
2480 | errno = ENOMEM; | |
2481 | DEBUG(0,("Error in sys_acl_set_file is %d\n",errno)); | |
2482 | return(-1); | |
2483 | } | |
2484 | ||
2485 | memset(file_acl,0,BUFSIZ); | |
2486 | ||
2487 | file_acl->acl_len = ACL_SIZ; | |
2488 | file_acl->acl_mode = S_IXACL; | |
2489 | ||
2490 | for(acl_entry_link=theacl; acl_entry_link != NULL; acl_entry_link = acl_entry_link->nextp) { | |
2491 | acl_entry_link->entryp->ace_access >>= 6; | |
2492 | id_type = acl_entry_link->entryp->ace_id->id_type; | |
2493 | ||
2494 | switch(id_type) { | |
2495 | case SMB_ACL_USER_OBJ: | |
2496 | file_acl->u_access = acl_entry_link->entryp->ace_access; | |
2497 | continue; | |
2498 | case SMB_ACL_GROUP_OBJ: | |
2499 | file_acl->g_access = acl_entry_link->entryp->ace_access; | |
2500 | continue; | |
2501 | case SMB_ACL_OTHER: | |
2502 | file_acl->o_access = acl_entry_link->entryp->ace_access; | |
2503 | continue; | |
2504 | case SMB_ACL_MASK: | |
2505 | continue; | |
2506 | } | |
2507 | ||
2508 | if((file_acl->acl_len + sizeof(struct acl_entry)) > acl_length) { | |
2509 | acl_length += sizeof(struct acl_entry); | |
2510 | file_acl_temp = (struct acl *)SMB_MALLOC(acl_length); | |
2511 | if(file_acl_temp == NULL) { | |
2512 | SAFE_FREE(file_acl); | |
2513 | errno = ENOMEM; | |
2514 | DEBUG(0,("Error in sys_acl_set_file is %d\n",errno)); | |
2515 | return(-1); | |
2516 | } | |
2517 | ||
2518 | memcpy(file_acl_temp,file_acl,file_acl->acl_len); | |
2519 | SAFE_FREE(file_acl); | |
2520 | file_acl = file_acl_temp; | |
2521 | } | |
2522 | ||
2523 | acl_entry = (struct acl_entry *)((char *)file_acl + file_acl->acl_len); | |
2524 | file_acl->acl_len += sizeof(struct acl_entry); | |
2525 | acl_entry->ace_len = acl_entry_link->entryp->ace_len; | |
2526 | acl_entry->ace_access = acl_entry_link->entryp->ace_access; | |
2527 | ||
2528 | /* In order to use this, we'll need to wait until we can get denies */ | |
2529 | /* if(!acl_entry->ace_access && acl_entry->ace_type == ACC_PERMIT) | |
2530 | acl_entry->ace_type = ACC_SPECIFY; */ | |
2531 | ||
2532 | acl_entry->ace_type = ACC_SPECIFY; | |
2533 | ||
2534 | ace_id = acl_entry->ace_id; | |
2535 | ||
2536 | ace_id->id_type = acl_entry_link->entryp->ace_id->id_type; | |
2537 | DEBUG(10,("The id type is %d\n",ace_id->id_type)); | |
2538 | ace_id->id_len = acl_entry_link->entryp->ace_id->id_len; | |
2539 | memcpy(&user_id, acl_entry_link->entryp->ace_id->id_data, sizeof(uid_t)); | |
2540 | memcpy(acl_entry->ace_id->id_data, &user_id, sizeof(uid_t)); | |
2541 | } | |
2542 | ||
2543 | rc = chacl(name,file_acl,file_acl->acl_len); | |
2544 | DEBUG(10,("errno is %d\n",errno)); | |
2545 | DEBUG(10,("return code is %d\n",rc)); | |
2546 | SAFE_FREE(file_acl); | |
2547 | DEBUG(10,("Exiting the sys_acl_set_file\n")); | |
2548 | return(rc); | |
2549 | } | |
2550 | ||
2551 | int sys_acl_set_fd( int fd, SMB_ACL_T theacl) | |
2552 | { | |
2553 | struct acl_entry_link *acl_entry_link = NULL; | |
2554 | struct acl *file_acl = NULL; | |
2555 | struct acl *file_acl_temp = NULL; | |
2556 | struct acl_entry *acl_entry = NULL; | |
2557 | struct ace_id *ace_id = NULL; | |
2558 | uint id_type; | |
2559 | uint user_id; | |
2560 | uint acl_length; | |
2561 | uint rc; | |
2562 | ||
2563 | DEBUG(10,("Entering sys_acl_set_fd\n")); | |
2564 | acl_length = BUFSIZ; | |
2565 | file_acl = (struct acl *)SMB_MALLOC(BUFSIZ); | |
2566 | ||
2567 | if(file_acl == NULL) { | |
2568 | errno = ENOMEM; | |
2569 | DEBUG(0,("Error in sys_acl_set_fd is %d\n",errno)); | |
2570 | return(-1); | |
2571 | } | |
2572 | ||
2573 | memset(file_acl,0,BUFSIZ); | |
2574 | ||
2575 | file_acl->acl_len = ACL_SIZ; | |
2576 | file_acl->acl_mode = S_IXACL; | |
2577 | ||
2578 | for(acl_entry_link=theacl; acl_entry_link != NULL; acl_entry_link = acl_entry_link->nextp) { | |
2579 | acl_entry_link->entryp->ace_access >>= 6; | |
2580 | id_type = acl_entry_link->entryp->ace_id->id_type; | |
2581 | DEBUG(10,("The id_type is %d\n",id_type)); | |
2582 | ||
2583 | switch(id_type) { | |
2584 | case SMB_ACL_USER_OBJ: | |
2585 | file_acl->u_access = acl_entry_link->entryp->ace_access; | |
2586 | continue; | |
2587 | case SMB_ACL_GROUP_OBJ: | |
2588 | file_acl->g_access = acl_entry_link->entryp->ace_access; | |
2589 | continue; | |
2590 | case SMB_ACL_OTHER: | |
2591 | file_acl->o_access = acl_entry_link->entryp->ace_access; | |
2592 | continue; | |
2593 | case SMB_ACL_MASK: | |
2594 | continue; | |
2595 | } | |
2596 | ||
2597 | if((file_acl->acl_len + sizeof(struct acl_entry)) > acl_length) { | |
2598 | acl_length += sizeof(struct acl_entry); | |
2599 | file_acl_temp = (struct acl *)SMB_MALLOC(acl_length); | |
2600 | if(file_acl_temp == NULL) { | |
2601 | SAFE_FREE(file_acl); | |
2602 | errno = ENOMEM; | |
2603 | DEBUG(0,("Error in sys_acl_set_fd is %d\n",errno)); | |
2604 | return(-1); | |
2605 | } | |
2606 | ||
2607 | memcpy(file_acl_temp,file_acl,file_acl->acl_len); | |
2608 | SAFE_FREE(file_acl); | |
2609 | file_acl = file_acl_temp; | |
2610 | } | |
2611 | ||
2612 | acl_entry = (struct acl_entry *)((char *)file_acl + file_acl->acl_len); | |
2613 | file_acl->acl_len += sizeof(struct acl_entry); | |
2614 | acl_entry->ace_len = acl_entry_link->entryp->ace_len; | |
2615 | acl_entry->ace_access = acl_entry_link->entryp->ace_access; | |
2616 | ||
2617 | /* In order to use this, we'll need to wait until we can get denies */ | |
2618 | /* if(!acl_entry->ace_access && acl_entry->ace_type == ACC_PERMIT) | |
2619 | acl_entry->ace_type = ACC_SPECIFY; */ | |
2620 | ||
2621 | acl_entry->ace_type = ACC_SPECIFY; | |
2622 | ||
2623 | ace_id = acl_entry->ace_id; | |
2624 | ||
2625 | ace_id->id_type = acl_entry_link->entryp->ace_id->id_type; | |
2626 | DEBUG(10,("The id type is %d\n",ace_id->id_type)); | |
2627 | ace_id->id_len = acl_entry_link->entryp->ace_id->id_len; | |
2628 | memcpy(&user_id, acl_entry_link->entryp->ace_id->id_data, sizeof(uid_t)); | |
2629 | memcpy(ace_id->id_data, &user_id, sizeof(uid_t)); | |
2630 | } | |
2631 | ||
2632 | rc = fchacl(fd,file_acl,file_acl->acl_len); | |
2633 | DEBUG(10,("errno is %d\n",errno)); | |
2634 | DEBUG(10,("return code is %d\n",rc)); | |
2635 | SAFE_FREE(file_acl); | |
2636 | DEBUG(10,("Exiting sys_acl_set_fd\n")); | |
2637 | return(rc); | |
2638 | } | |
2639 | ||
2640 | int sys_acl_delete_def_file(const char *name) | |
2641 | { | |
2642 | /* AIX has no default ACL */ | |
2643 | return 0; | |
2644 | } | |
2645 | ||
1c3344a1 WD |
2646 | int sys_acl_free_acl(SMB_ACL_T posix_acl) |
2647 | { | |
2648 | struct acl_entry_link *acl_entry_link; | |
2649 | ||
2650 | for(acl_entry_link = posix_acl->nextp; acl_entry_link->nextp != NULL; acl_entry_link = acl_entry_link->nextp) { | |
2651 | SAFE_FREE(acl_entry_link->prevp->entryp); | |
2652 | SAFE_FREE(acl_entry_link->prevp); | |
2653 | } | |
2654 | ||
2655 | SAFE_FREE(acl_entry_link->prevp->entryp); | |
2656 | SAFE_FREE(acl_entry_link->prevp); | |
2657 | SAFE_FREE(acl_entry_link->entryp); | |
2658 | SAFE_FREE(acl_entry_link); | |
2659 | ||
2660 | return(0); | |
2661 | } | |
2662 | ||
2663 | int sys_acl_free_qualifier(void *qual, SMB_ACL_TAG_T tagtype) | |
2664 | { | |
2665 | return(0); | |
2666 | } | |
2667 | ||
2668 | #else /* No ACLs. */ | |
2669 | ||
a30dcbc0 | 2670 | #error No ACL functions defined for this platform! |
1c3344a1 | 2671 | |
a30dcbc0 | 2672 | #endif |
1c3344a1 WD |
2673 | |
2674 | /************************************************************************ | |
2675 | Deliberately outside the ACL defines. Return 1 if this is a "no acls" | |
2676 | errno, 0 if not. | |
2677 | ************************************************************************/ | |
2678 | ||
2679 | int no_acl_syscall_error(int err) | |
2680 | { | |
2681 | #if defined(ENOSYS) | |
2682 | if (err == ENOSYS) { | |
2683 | return 1; | |
2684 | } | |
2685 | #endif | |
2686 | #if defined(ENOTSUP) | |
2687 | if (err == ENOTSUP) { | |
2688 | return 1; | |
2689 | } | |
2690 | #endif | |
2691 | return 0; | |
2692 | } | |
2693 | ||
2694 | #endif /* SUPPORT_ACLS */ |