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