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s3: modules: vfs_default: Remove CHMOD_ACL in mkdir.
[Samba.git] / source3 / modules / vfs_fruit.c
blob0a8141a9e515875a73655a6ffa3d80ec6958bb14
1 /*
2 * OS X and Netatalk interoperability VFS module for Samba-3.x
3 *
4 * Copyright (C) Ralph Boehme, 2013, 2014
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 3 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, see <http://www.gnu.org/licenses/>.
18 */
19
20 #include "includes.h"
21 #include "MacExtensions.h"
22 #include "smbd/smbd.h"
23 #include "system/filesys.h"
24 #include "lib/util/time.h"
25 #include "../lib/crypto/md5.h"
26 #include "system/shmem.h"
27 #include "locking/proto.h"
28 #include "smbd/globals.h"
29 #include "messages.h"
30 #include "libcli/security/security.h"
31 #include "../libcli/smb/smb2_create_ctx.h"
32 #include "lib/util/sys_rw.h"
33 #include "lib/util/tevent_ntstatus.h"
34 #include "lib/util/tevent_unix.h"
35 #include "offload_token.h"
36 #include "string_replace.h"
37
38 /*
39 * Enhanced OS X and Netatalk compatibility
40 * ========================================
41 *
42 * This modules takes advantage of vfs_streams_xattr and
43 * vfs_catia. VFS modules vfs_fruit and vfs_streams_xattr must be
44 * loaded in the correct order:
45 *
46 * vfs modules = catia fruit streams_xattr
47 *
48 * The module intercepts the OS X special streams "AFP_AfpInfo" and
49 * "AFP_Resource" and handles them in a special way. All other named
50 * streams are deferred to vfs_streams_xattr.
51 *
52 * The OS X client maps all NTFS illegal characters to the Unicode
53 * private range. This module optionally stores the charcters using
54 * their native ASCII encoding using vfs_catia. If you're not enabling
55 * this feature, you can skip catia from vfs modules.
56 *
57 * Finally, open modes are optionally checked against Netatalk AFP
58 * share modes.
59 *
60 * The "AFP_AfpInfo" named stream is a binary blob containing OS X
61 * extended metadata for files and directories. This module optionally
62 * reads and stores this metadata in a way compatible with Netatalk 3
63 * which stores the metadata in an EA "org.netatalk.metadata". Cf
64 * source3/include/MacExtensions.h for a description of the binary
65 * blobs content.
66 *
67 * The "AFP_Resource" named stream may be arbitrarily large, thus it
68 * can't be stored in an xattr on most filesystem. ZFS on Solaris is
69 * the only available filesystem where xattrs can be of any size and
70 * the OS supports using the file APIs for xattrs.
71 *
72 * The AFP_Resource stream is stored in an AppleDouble file prepending
73 * "._" to the filename. On Solaris with ZFS the stream is optionally
74 * stored in an EA "org.netatalk.resource".
75 *
76 *
77 * Extended Attributes
78 * ===================
79 *
80 * The OS X SMB client sends xattrs as ADS too. For xattr interop with
81 * other protocols you may want to adjust the xattr names the VFS
82 * module vfs_streams_xattr uses for storing ADS's. This defaults to
83 * user.DosStream.ADS_NAME:$DATA and can be changed by specifying
84 * these module parameters:
85 *
86 * streams_xattr:prefix = user.
87 * streams_xattr:store_stream_type = false
88 *
89 *
90 * TODO
91 * ====
92 *
93 * - log diagnostic if any needed VFS module is not loaded
94 * (eg with lp_vfs_objects())
95 * - add tests
96 */
97
98 static int vfs_fruit_debug_level = DBGC_VFS;
99
100 static struct global_fruit_config {
101 bool nego_aapl; /* client negotiated AAPL */
102
103 } global_fruit_config;
104
105 #undef DBGC_CLASS
106 #define DBGC_CLASS vfs_fruit_debug_level
107
108 #define FRUIT_PARAM_TYPE_NAME "fruit"
109 #define ADOUBLE_NAME_PREFIX "._"
110
111 #define NETATALK_META_XATTR "org.netatalk.Metadata"
112 #define NETATALK_RSRC_XATTR "org.netatalk.ResourceFork"
113
114 #if defined(HAVE_ATTROPEN)
115 #define AFPINFO_EA_NETATALK NETATALK_META_XATTR
116 #define AFPRESOURCE_EA_NETATALK NETATALK_RSRC_XATTR
117 #else
118 #define AFPINFO_EA_NETATALK "user." NETATALK_META_XATTR
119 #define AFPRESOURCE_EA_NETATALK "user." NETATALK_RSRC_XATTR
120 #endif
121
122 enum apple_fork {APPLE_FORK_DATA, APPLE_FORK_RSRC};
123
124 enum fruit_rsrc {FRUIT_RSRC_STREAM, FRUIT_RSRC_ADFILE, FRUIT_RSRC_XATTR};
125 enum fruit_meta {FRUIT_META_STREAM, FRUIT_META_NETATALK};
126 enum fruit_locking {FRUIT_LOCKING_NETATALK, FRUIT_LOCKING_NONE};
127 enum fruit_encoding {FRUIT_ENC_NATIVE, FRUIT_ENC_PRIVATE};
128
129 struct fruit_config_data {
130 enum fruit_rsrc rsrc;
131 enum fruit_meta meta;
132 enum fruit_locking locking;
133 enum fruit_encoding encoding;
134 bool use_aapl; /* config from smb.conf */
135 bool use_copyfile;
136 bool readdir_attr_enabled;
137 bool unix_info_enabled;
138 bool copyfile_enabled;
139 bool veto_appledouble;
140 bool posix_rename;
141 bool aapl_zero_file_id;
142 const char *model;
143 bool time_machine;
144 off_t time_machine_max_size;
145
146 /*
147 * Additional options, all enabled by default,
148 * possibly useful for analyzing performance. The associated
149 * operations with each of them may be expensive, so having
150 * the chance to disable them individually gives a chance
151 * tweaking the setup for the particular usecase.
152 */
153 bool readdir_attr_rsize;
154 bool readdir_attr_finder_info;
155 bool readdir_attr_max_access;
156 };
157
158 static const struct enum_list fruit_rsrc[] = {
159 {FRUIT_RSRC_STREAM, "stream"}, /* pass on to vfs_streams_xattr */
160 {FRUIT_RSRC_ADFILE, "file"}, /* ._ AppleDouble file */
161 {FRUIT_RSRC_XATTR, "xattr"}, /* Netatalk compatible xattr (ZFS only) */
162 { -1, NULL}
163 };
164
165 static const struct enum_list fruit_meta[] = {
166 {FRUIT_META_STREAM, "stream"}, /* pass on to vfs_streams_xattr */
167 {FRUIT_META_NETATALK, "netatalk"}, /* Netatalk compatible xattr */
168 { -1, NULL}
169 };
170
171 static const struct enum_list fruit_locking[] = {
172 {FRUIT_LOCKING_NETATALK, "netatalk"}, /* synchronize locks with Netatalk */
173 {FRUIT_LOCKING_NONE, "none"},
174 { -1, NULL}
175 };
176
177 static const struct enum_list fruit_encoding[] = {
178 {FRUIT_ENC_NATIVE, "native"}, /* map unicode private chars to ASCII */
179 {FRUIT_ENC_PRIVATE, "private"}, /* keep unicode private chars */
180 { -1, NULL}
181 };
182
183 static const char *fruit_catia_maps =
184 "0x01:0xf001,0x02:0xf002,0x03:0xf003,0x04:0xf004,"
185 "0x05:0xf005,0x06:0xf006,0x07:0xf007,0x08:0xf008,"
186 "0x09:0xf009,0x0a:0xf00a,0x0b:0xf00b,0x0c:0xf00c,"
187 "0x0d:0xf00d,0x0e:0xf00e,0x0f:0xf00f,0x10:0xf010,"
188 "0x11:0xf011,0x12:0xf012,0x13:0xf013,0x14:0xf014,"
189 "0x15:0xf015,0x16:0xf016,0x17:0xf017,0x18:0xf018,"
190 "0x19:0xf019,0x1a:0xf01a,0x1b:0xf01b,0x1c:0xf01c,"
191 "0x1d:0xf01d,0x1e:0xf01e,0x1f:0xf01f,"
192 "0x22:0xf020,0x2a:0xf021,0x3a:0xf022,0x3c:0xf023,"
193 "0x3e:0xf024,0x3f:0xf025,0x5c:0xf026,0x7c:0xf027,"
194 "0x0d:0xf00d";
195
196 /*****************************************************************************
197 * Defines, functions and data structures that deal with AppleDouble
198 *****************************************************************************/
199
200 /*
201 * There are two AppleDouble blobs we deal with:
202 *
203 * - ADOUBLE_META - AppleDouble blob used by Netatalk for storing
204 * metadata in an xattr
205 *
206 * - ADOUBLE_RSRC - AppleDouble blob used by OS X and Netatalk in
207 * ._ files
208 */
209 typedef enum {ADOUBLE_META, ADOUBLE_RSRC} adouble_type_t;
210
211 /* Version info */
212 #define AD_VERSION2 0x00020000
213 #define AD_VERSION AD_VERSION2
214
215 /*
216 * AppleDouble entry IDs.
217 */
218 #define ADEID_DFORK 1
219 #define ADEID_RFORK 2
220 #define ADEID_NAME 3
221 #define ADEID_COMMENT 4
222 #define ADEID_ICONBW 5
223 #define ADEID_ICONCOL 6
224 #define ADEID_FILEI 7
225 #define ADEID_FILEDATESI 8
226 #define ADEID_FINDERI 9
227 #define ADEID_MACFILEI 10
228 #define ADEID_PRODOSFILEI 11
229 #define ADEID_MSDOSFILEI 12
230 #define ADEID_SHORTNAME 13
231 #define ADEID_AFPFILEI 14
232 #define ADEID_DID 15
233
234 /* Private Netatalk entries */
235 #define ADEID_PRIVDEV 16
236 #define ADEID_PRIVINO 17
237 #define ADEID_PRIVSYN 18
238 #define ADEID_PRIVID 19
239 #define ADEID_MAX (ADEID_PRIVID + 1)
240
241 /*
242 * These are the real ids for the private entries,
243 * as stored in the adouble file
244 */
245 #define AD_DEV 0x80444556
246 #define AD_INO 0x80494E4F
247 #define AD_SYN 0x8053594E
248 #define AD_ID 0x8053567E
249
250 /* Number of actually used entries */
251 #define ADEID_NUM_XATTR 8
252 #define ADEID_NUM_DOT_UND 2
253 #define ADEID_NUM_RSRC_XATTR 1
254
255 /* AppleDouble magic */
256 #define AD_APPLESINGLE_MAGIC 0x00051600
257 #define AD_APPLEDOUBLE_MAGIC 0x00051607
258 #define AD_MAGIC AD_APPLEDOUBLE_MAGIC
259
260 /* Sizes of relevant entry bits */
261 #define ADEDLEN_MAGIC 4
262 #define ADEDLEN_VERSION 4
263 #define ADEDLEN_FILLER 16
264 #define AD_FILLER_TAG "Netatalk " /* should be 16 bytes */
265 #define ADEDLEN_NENTRIES 2
266 #define AD_HEADER_LEN (ADEDLEN_MAGIC + ADEDLEN_VERSION + \
267 ADEDLEN_FILLER + ADEDLEN_NENTRIES) /* 26 */
268 #define AD_ENTRY_LEN_EID 4
269 #define AD_ENTRY_LEN_OFF 4
270 #define AD_ENTRY_LEN_LEN 4
271 #define AD_ENTRY_LEN (AD_ENTRY_LEN_EID + AD_ENTRY_LEN_OFF + AD_ENTRY_LEN_LEN)
272
273 /* Field widths */
274 #define ADEDLEN_NAME 255
275 #define ADEDLEN_COMMENT 200
276 #define ADEDLEN_FILEI 16
277 #define ADEDLEN_FINDERI 32
278 #define ADEDLEN_FILEDATESI 16
279 #define ADEDLEN_SHORTNAME 12 /* length up to 8.3 */
280 #define ADEDLEN_AFPFILEI 4
281 #define ADEDLEN_MACFILEI 4
282 #define ADEDLEN_PRODOSFILEI 8
283 #define ADEDLEN_MSDOSFILEI 2
284 #define ADEDLEN_DID 4
285 #define ADEDLEN_PRIVDEV 8
286 #define ADEDLEN_PRIVINO 8
287 #define ADEDLEN_PRIVSYN 8
288 #define ADEDLEN_PRIVID 4
289
290 /* Offsets */
291 #define ADEDOFF_MAGIC 0
292 #define ADEDOFF_VERSION (ADEDOFF_MAGIC + ADEDLEN_MAGIC)
293 #define ADEDOFF_FILLER (ADEDOFF_VERSION + ADEDLEN_VERSION)
294 #define ADEDOFF_NENTRIES (ADEDOFF_FILLER + ADEDLEN_FILLER)
295
296 #define ADEDOFF_FINDERI_XATTR (AD_HEADER_LEN + \
297 (ADEID_NUM_XATTR * AD_ENTRY_LEN))
298 #define ADEDOFF_COMMENT_XATTR (ADEDOFF_FINDERI_XATTR + ADEDLEN_FINDERI)
299 #define ADEDOFF_FILEDATESI_XATTR (ADEDOFF_COMMENT_XATTR + ADEDLEN_COMMENT)
300 #define ADEDOFF_AFPFILEI_XATTR (ADEDOFF_FILEDATESI_XATTR + \
301 ADEDLEN_FILEDATESI)
302 #define ADEDOFF_PRIVDEV_XATTR (ADEDOFF_AFPFILEI_XATTR + ADEDLEN_AFPFILEI)
303 #define ADEDOFF_PRIVINO_XATTR (ADEDOFF_PRIVDEV_XATTR + ADEDLEN_PRIVDEV)
304 #define ADEDOFF_PRIVSYN_XATTR (ADEDOFF_PRIVINO_XATTR + ADEDLEN_PRIVINO)
305 #define ADEDOFF_PRIVID_XATTR (ADEDOFF_PRIVSYN_XATTR + ADEDLEN_PRIVSYN)
306
307 #define ADEDOFF_FINDERI_DOT_UND (AD_HEADER_LEN + \
308 (ADEID_NUM_DOT_UND * AD_ENTRY_LEN))
309 #define ADEDOFF_RFORK_DOT_UND (ADEDOFF_FINDERI_DOT_UND + ADEDLEN_FINDERI)
310
311 #define AD_DATASZ_XATTR (AD_HEADER_LEN + \
312 (ADEID_NUM_XATTR * AD_ENTRY_LEN) + \
313 ADEDLEN_FINDERI + ADEDLEN_COMMENT + \
314 ADEDLEN_FILEDATESI + ADEDLEN_AFPFILEI + \
315 ADEDLEN_PRIVDEV + ADEDLEN_PRIVINO + \
316 ADEDLEN_PRIVSYN + ADEDLEN_PRIVID)
317
318 #if AD_DATASZ_XATTR != 402
319 #error bad size for AD_DATASZ_XATTR
320 #endif
321
322 #define AD_DATASZ_DOT_UND (AD_HEADER_LEN + \
323 (ADEID_NUM_DOT_UND * AD_ENTRY_LEN) + \
324 ADEDLEN_FINDERI)
325 #if AD_DATASZ_DOT_UND != 82
326 #error bad size for AD_DATASZ_DOT_UND
327 #endif
328
329 /*
330 * Sharemode locks fcntl() offsets
331 */
332 #if _FILE_OFFSET_BITS == 64 || defined(HAVE_LARGEFILE)
333 #define AD_FILELOCK_BASE (UINT64_C(0x7FFFFFFFFFFFFFFF) - 9)
334 #else
335 #define AD_FILELOCK_BASE (UINT32_C(0x7FFFFFFF) - 9)
336 #endif
337 #define BYTELOCK_MAX (AD_FILELOCK_BASE - 1)
338
339 #define AD_FILELOCK_OPEN_WR (AD_FILELOCK_BASE + 0)
340 #define AD_FILELOCK_OPEN_RD (AD_FILELOCK_BASE + 1)
341 #define AD_FILELOCK_RSRC_OPEN_WR (AD_FILELOCK_BASE + 2)
342 #define AD_FILELOCK_RSRC_OPEN_RD (AD_FILELOCK_BASE + 3)
343 #define AD_FILELOCK_DENY_WR (AD_FILELOCK_BASE + 4)
344 #define AD_FILELOCK_DENY_RD (AD_FILELOCK_BASE + 5)
345 #define AD_FILELOCK_RSRC_DENY_WR (AD_FILELOCK_BASE + 6)
346 #define AD_FILELOCK_RSRC_DENY_RD (AD_FILELOCK_BASE + 7)
347 #define AD_FILELOCK_OPEN_NONE (AD_FILELOCK_BASE + 8)
348 #define AD_FILELOCK_RSRC_OPEN_NONE (AD_FILELOCK_BASE + 9)
349
350 /* Time stuff we overload the bits a little */
351 #define AD_DATE_CREATE 0
352 #define AD_DATE_MODIFY 4
353 #define AD_DATE_BACKUP 8
354 #define AD_DATE_ACCESS 12
355 #define AD_DATE_MASK (AD_DATE_CREATE | AD_DATE_MODIFY | \
356 AD_DATE_BACKUP | AD_DATE_ACCESS)
357 #define AD_DATE_UNIX (1 << 10)
358 #define AD_DATE_START 0x80000000
359 #define AD_DATE_DELTA 946684800
360 #define AD_DATE_FROM_UNIX(x) (htonl((x) - AD_DATE_DELTA))
361 #define AD_DATE_TO_UNIX(x) (ntohl(x) + AD_DATE_DELTA)
362
363 #define AD_XATTR_HDR_MAGIC 0x41545452 /* 'ATTR' */
364 #define AD_XATTR_MAX_ENTRIES 1024 /* Some arbitrarily enforced limit */
365 #define AD_XATTR_HDR_SIZE 36
366 #define AD_XATTR_MAX_HDR_SIZE 65536
367
368 /* Accessor macros */
369 #define ad_getentrylen(ad,eid) ((ad)->ad_eid[(eid)].ade_len)
370 #define ad_getentryoff(ad,eid) ((ad)->ad_eid[(eid)].ade_off)
371 #define ad_setentrylen(ad,eid,len) ((ad)->ad_eid[(eid)].ade_len = (len))
372 #define ad_setentryoff(ad,eid,off) ((ad)->ad_eid[(eid)].ade_off = (off))
373
374 /*
375 * Both struct ad_xattr_header and struct ad_xattr_entry describe the in memory
376 * representation as well as the on-disk format.
377 *
378 * The ad_xattr_header follows the FinderInfo data in the FinderInfo entry if
379 * the length of the FinderInfo entry is larger then 32 bytes. It is then
380 * preceeded with 2 bytes padding.
381 *
382 * Cf: https://opensource.apple.com/source/xnu/xnu-4570.1.46/bsd/vfs/vfs_xattr.c
383 */
384
385 struct ad_xattr_header {
386 uint32_t adx_magic; /* ATTR_HDR_MAGIC */
387 uint32_t adx_debug_tag; /* for debugging == file id of owning file */
388 uint32_t adx_total_size; /* file offset of end of attribute header + entries + data */
389 uint32_t adx_data_start; /* file offset to attribute data area */
390 uint32_t adx_data_length; /* length of attribute data area */
391 uint32_t adx_reserved[3];
392 uint16_t adx_flags;
393 uint16_t adx_num_attrs;
394 };
395
396 /* On-disk entries are aligned on 4 byte boundaries */
397 struct ad_xattr_entry {
398 uint32_t adx_offset; /* file offset to data */
399 uint32_t adx_length; /* size of attribute data */
400 uint16_t adx_flags;
401 uint8_t adx_namelen; /* included the NULL terminator */
402 char *adx_name; /* NULL-terminated UTF-8 name */
403 };
404
405 struct ad_entry {
406 size_t ade_off;
407 size_t ade_len;
408 };
409
410 struct adouble {
411 vfs_handle_struct *ad_handle;
412 int ad_fd;
413 bool ad_opened;
414 adouble_type_t ad_type;
415 uint32_t ad_magic;
416 uint32_t ad_version;
417 struct ad_entry ad_eid[ADEID_MAX];
418 char *ad_data;
419 struct ad_xattr_header adx_header;
420 struct ad_xattr_entry *adx_entries;
421 };
422
423 struct ad_entry_order {
424 uint32_t id, offset, len;
425 };
426
427 /* Netatalk AppleDouble metadata xattr */
428 static const
429 struct ad_entry_order entry_order_meta_xattr[ADEID_NUM_XATTR + 1] = {
430 {ADEID_FINDERI, ADEDOFF_FINDERI_XATTR, ADEDLEN_FINDERI},
431 {ADEID_COMMENT, ADEDOFF_COMMENT_XATTR, 0},
432 {ADEID_FILEDATESI, ADEDOFF_FILEDATESI_XATTR, ADEDLEN_FILEDATESI},
433 {ADEID_AFPFILEI, ADEDOFF_AFPFILEI_XATTR, ADEDLEN_AFPFILEI},
434 {ADEID_PRIVDEV, ADEDOFF_PRIVDEV_XATTR, 0},
435 {ADEID_PRIVINO, ADEDOFF_PRIVINO_XATTR, 0},
436 {ADEID_PRIVSYN, ADEDOFF_PRIVSYN_XATTR, 0},
437 {ADEID_PRIVID, ADEDOFF_PRIVID_XATTR, 0},
438 {0, 0, 0}
439 };
440
441 /* AppleDouble resource fork file (the ones prefixed by "._") */
442 static const
443 struct ad_entry_order entry_order_dot_und[ADEID_NUM_DOT_UND + 1] = {
444 {ADEID_FINDERI, ADEDOFF_FINDERI_DOT_UND, ADEDLEN_FINDERI},
445 {ADEID_RFORK, ADEDOFF_RFORK_DOT_UND, 0},
446 {0, 0, 0}
447 };
448
449 /*
450 * Fake AppleDouble entry oder for resource fork xattr. The xattr
451 * isn't an AppleDouble file, it simply contains the resource data,
452 * but in order to be able to use some API calls like ad_getentryoff()
453 * we build a fake/helper struct adouble with this entry order struct.
454 */
455 static const
456 struct ad_entry_order entry_order_rsrc_xattr[ADEID_NUM_RSRC_XATTR + 1] = {
457 {ADEID_RFORK, 0, 0},
458 {0, 0, 0}
459 };
460
461 /* Conversion from enumerated id to on-disk AppleDouble id */
462 #define AD_EID_DISK(a) (set_eid[a])
463 static const uint32_t set_eid[] = {
464 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
465 AD_DEV, AD_INO, AD_SYN, AD_ID
466 };
467
468 struct fio {
469 /* tcon config handle */
470 struct fruit_config_data *config;
471
472 /* Denote stream type, meta or rsrc */
473 adouble_type_t type;
474 };
475
476 /*
477 * Forward declarations
478 */
479 static struct adouble *ad_init(TALLOC_CTX *ctx, vfs_handle_struct *handle,
480 adouble_type_t type);
481 static int ad_set(struct adouble *ad, const struct smb_filename *smb_fname);
482 static int ad_fset(struct adouble *ad, files_struct *fsp);
483 static int adouble_path(TALLOC_CTX *ctx,
484 const struct smb_filename *smb_fname__in,
485 struct smb_filename **ppsmb_fname_out);
486 static AfpInfo *afpinfo_new(TALLOC_CTX *ctx);
487 static ssize_t afpinfo_pack(const AfpInfo *ai, char *buf);
488 static AfpInfo *afpinfo_unpack(TALLOC_CTX *ctx, const void *data);
489
490
491 /**
492 * Return a pointer to an AppleDouble entry
493 *
494 * Returns NULL if the entry is not present
495 **/
496 static char *ad_get_entry(const struct adouble *ad, int eid)
497 {
498 off_t off = ad_getentryoff(ad, eid);
499 size_t len = ad_getentrylen(ad, eid);
500
501 if (off == 0 || len == 0) {
502 return NULL;
503 }
504
505 return ad->ad_data + off;
506 }
507
508 /**
509 * Get a date
510 **/
511 static int ad_getdate(const struct adouble *ad,
512 unsigned int dateoff,
513 uint32_t *date)
514 {
515 bool xlate = (dateoff & AD_DATE_UNIX);
516 char *p = NULL;
517
518 dateoff &= AD_DATE_MASK;
519 p = ad_get_entry(ad, ADEID_FILEDATESI);
520 if (p == NULL) {
521 return -1;
522 }
523
524 if (dateoff > AD_DATE_ACCESS) {
525 return -1;
526 }
527
528 memcpy(date, p + dateoff, sizeof(uint32_t));
529
530 if (xlate) {
531 *date = AD_DATE_TO_UNIX(*date);
532 }
533 return 0;
534 }
535
536 /**
537 * Set a date
538 **/
539 static int ad_setdate(struct adouble *ad, unsigned int dateoff, uint32_t date)
540 {
541 bool xlate = (dateoff & AD_DATE_UNIX);
542 char *p = NULL;
543
544 p = ad_get_entry(ad, ADEID_FILEDATESI);
545 if (p == NULL) {
546 return -1;
547 }
548
549 dateoff &= AD_DATE_MASK;
550 if (xlate) {
551 date = AD_DATE_FROM_UNIX(date);
552 }
553
554 if (dateoff > AD_DATE_ACCESS) {
555 return -1;
556 }
557
558 memcpy(p + dateoff, &date, sizeof(date));
559
560 return 0;
561 }
562
563
564 /**
565 * Map on-disk AppleDouble id to enumerated id
566 **/
567 static uint32_t get_eid(uint32_t eid)
568 {
569 if (eid <= 15) {
570 return eid;
571 }
572
573 switch (eid) {
574 case AD_DEV:
575 return ADEID_PRIVDEV;
576 case AD_INO:
577 return ADEID_PRIVINO;
578 case AD_SYN:
579 return ADEID_PRIVSYN;
580 case AD_ID:
581 return ADEID_PRIVID;
582 default:
583 break;
584 }
585
586 return 0;
587 }
588
589 /**
590 * Pack AppleDouble structure into data buffer
591 **/
592 static bool ad_pack(struct adouble *ad)
593 {
594 uint32_t eid;
595 uint16_t nent;
596 uint32_t bufsize;
597 uint32_t offset = 0;
598
599 bufsize = talloc_get_size(ad->ad_data);
600 if (bufsize < AD_DATASZ_DOT_UND) {
601 DBG_ERR("bad buffer size [0x%" PRIx32 "]\n", bufsize);
602 return false;
603 }
604
605 if (offset + ADEDLEN_MAGIC < offset ||
606 offset + ADEDLEN_MAGIC >= bufsize) {
607 return false;
608 }
609 RSIVAL(ad->ad_data, offset, ad->ad_magic);
610 offset += ADEDLEN_MAGIC;
611
612 if (offset + ADEDLEN_VERSION < offset ||
613 offset + ADEDLEN_VERSION >= bufsize) {
614 return false;
615 }
616 RSIVAL(ad->ad_data, offset, ad->ad_version);
617 offset += ADEDLEN_VERSION;
618
619 if (offset + ADEDLEN_FILLER < offset ||
620 offset + ADEDLEN_FILLER >= bufsize) {
621 return false;
622 }
623 if (ad->ad_type == ADOUBLE_RSRC) {
624 memcpy(ad->ad_data + offset, AD_FILLER_TAG, ADEDLEN_FILLER);
625 }
626 offset += ADEDLEN_FILLER;
627
628 if (offset + ADEDLEN_NENTRIES < offset ||
629 offset + ADEDLEN_NENTRIES >= bufsize) {
630 return false;
631 }
632 offset += ADEDLEN_NENTRIES;
633
634 for (eid = 0, nent = 0; eid < ADEID_MAX; eid++) {
635 if (ad->ad_eid[eid].ade_off == 0) {
636 /*
637 * ade_off is also used as indicator whether a
638 * specific entry is used or not
639 */
640 continue;
641 }
642
643 if (offset + AD_ENTRY_LEN_EID < offset ||
644 offset + AD_ENTRY_LEN_EID >= bufsize) {
645 return false;
646 }
647 RSIVAL(ad->ad_data, offset, AD_EID_DISK(eid));
648 offset += AD_ENTRY_LEN_EID;
649
650 if (offset + AD_ENTRY_LEN_OFF < offset ||
651 offset + AD_ENTRY_LEN_OFF >= bufsize) {
652 return false;
653 }
654 RSIVAL(ad->ad_data, offset, ad->ad_eid[eid].ade_off);
655 offset += AD_ENTRY_LEN_OFF;
656
657 if (offset + AD_ENTRY_LEN_LEN < offset ||
658 offset + AD_ENTRY_LEN_LEN >= bufsize) {
659 return false;
660 }
661 RSIVAL(ad->ad_data, offset, ad->ad_eid[eid].ade_len);
662 offset += AD_ENTRY_LEN_LEN;
663
664 nent++;
665 }
666
667 if (ADEDOFF_NENTRIES + 2 >= bufsize) {
668 return false;
669 }
670 RSSVAL(ad->ad_data, ADEDOFF_NENTRIES, nent);
671
672 return true;
673 }
674
675 static bool ad_unpack_xattrs(struct adouble *ad)
676 {
677 struct ad_xattr_header *h = &ad->adx_header;
678 const char *p = ad->ad_data;
679 uint32_t hoff;
680 uint32_t i;
681
682 if (ad_getentrylen(ad, ADEID_FINDERI) <= ADEDLEN_FINDERI) {
683 return true;
684 }
685
686 /* 2 bytes padding */
687 hoff = ad_getentryoff(ad, ADEID_FINDERI) + ADEDLEN_FINDERI + 2;
688
689 h->adx_magic = RIVAL(p, hoff + 0);
690 h->adx_debug_tag = RIVAL(p, hoff + 4); /* Not used -> not checked */
691 h->adx_total_size = RIVAL(p, hoff + 8);
692 h->adx_data_start = RIVAL(p, hoff + 12);
693 h->adx_data_length = RIVAL(p, hoff + 16);
694 h->adx_flags = RSVAL(p, hoff + 32); /* Not used -> not checked */
695 h->adx_num_attrs = RSVAL(p, hoff + 34);
696
697 if (h->adx_magic != AD_XATTR_HDR_MAGIC) {
698 DBG_ERR("Bad magic: 0x%" PRIx32 "\n", h->adx_magic);
699 return false;
700 }
701
702 if (h->adx_total_size > ad_getentryoff(ad, ADEID_RFORK)) {
703 DBG_ERR("Bad total size: 0x%" PRIx32 "\n", h->adx_total_size);
704 return false;
705 }
706 if (h->adx_total_size > AD_XATTR_MAX_HDR_SIZE) {
707 DBG_ERR("Bad total size: 0x%" PRIx32 "\n", h->adx_total_size);
708 return false;
709 }
710
711 if (h->adx_data_start < (hoff + AD_XATTR_HDR_SIZE)) {
712 DBG_ERR("Bad start: 0x%" PRIx32 "\n", h->adx_data_start);
713 return false;
714 }
715
716 if ((h->adx_data_start + h->adx_data_length) < h->adx_data_start) {
717 DBG_ERR("Bad length: %" PRIu32 "\n", h->adx_data_length);
718 return false;
719 }
720 if ((h->adx_data_start + h->adx_data_length) >
721 ad->adx_header.adx_total_size)
722 {
723 DBG_ERR("Bad length: %" PRIu32 "\n", h->adx_data_length);
724 return false;
725 }
726
727 if (h->adx_num_attrs > AD_XATTR_MAX_ENTRIES) {
728 DBG_ERR("Bad num xattrs: %" PRIu16 "\n", h->adx_num_attrs);
729 return false;
730 }
731
732 if (h->adx_num_attrs == 0) {
733 return true;
734 }
735
736 ad->adx_entries = talloc_zero_array(
737 ad, struct ad_xattr_entry, h->adx_num_attrs);
738 if (ad->adx_entries == NULL) {
739 return false;
740 }
741
742 hoff += AD_XATTR_HDR_SIZE;
743
744 for (i = 0; i < h->adx_num_attrs; i++) {
745 struct ad_xattr_entry *e = &ad->adx_entries[i];
746
747 hoff = (hoff + 3) & ~3;
748
749 e->adx_offset = RIVAL(p, hoff + 0);
750 e->adx_length = RIVAL(p, hoff + 4);
751 e->adx_flags = RSVAL(p, hoff + 8);
752 e->adx_namelen = *(p + hoff + 10);
753
754 if (e->adx_offset >= ad->adx_header.adx_total_size) {
755 DBG_ERR("Bad adx_offset: %" PRIx32 "\n",
756 e->adx_offset);
757 return false;
758 }
759
760 if ((e->adx_offset + e->adx_length) < e->adx_offset) {
761 DBG_ERR("Bad adx_length: %" PRIx32 "\n",
762 e->adx_length);
763 return false;
764 }
765
766 if ((e->adx_offset + e->adx_length) >
767 ad->adx_header.adx_total_size)
768 {
769 DBG_ERR("Bad adx_length: %" PRIx32 "\n",
770 e->adx_length);
771 return false;
772 }
773
774 if (e->adx_namelen == 0) {
775 DBG_ERR("Bad adx_namelen: %" PRIx32 "\n",
776 e->adx_namelen);
777 return false;
778 }
779 if ((hoff + 11 + e->adx_namelen) < hoff + 11) {
780 DBG_ERR("Bad adx_namelen: %" PRIx32 "\n",
781 e->adx_namelen);
782 return false;
783 }
784 if ((hoff + 11 + e->adx_namelen) >
785 ad->adx_header.adx_data_start)
786 {
787 DBG_ERR("Bad adx_namelen: %" PRIx32 "\n",
788 e->adx_namelen);
789 return false;
790 }
791
792 e->adx_name = talloc_strndup(ad->adx_entries,
793 p + hoff + 11,
794 e->adx_namelen);
795 if (e->adx_name == NULL) {
796 return false;
797 }
798
799 DBG_DEBUG("xattr [%s] offset [0x%x] size [0x%x]\n",
800 e->adx_name, e->adx_offset, e->adx_length);
801 dump_data(10, (uint8_t *)(ad->ad_data + e->adx_offset),
802 e->adx_length);
803
804 hoff += 11 + e->adx_namelen;
805 }
806
807 return true;
808 }
809
810 /**
811 * Unpack an AppleDouble blob into a struct adoble
812 **/
813 static bool ad_unpack(struct adouble *ad, const size_t nentries,
814 size_t filesize)
815 {
816 size_t bufsize = talloc_get_size(ad->ad_data);
817 size_t adentries, i;
818 uint32_t eid, len, off;
819 bool ok;
820
821 /*
822 * The size of the buffer ad->ad_data is checked when read, so
823 * we wouldn't have to check our own offsets, a few extra
824 * checks won't hurt though. We have to check the offsets we
825 * read from the buffer anyway.
826 */
827
828 if (bufsize < (AD_HEADER_LEN + (AD_ENTRY_LEN * nentries))) {
829 DEBUG(1, ("bad size\n"));
830 return false;
831 }
832
833 ad->ad_magic = RIVAL(ad->ad_data, 0);
834 ad->ad_version = RIVAL(ad->ad_data, ADEDOFF_VERSION);
835 if ((ad->ad_magic != AD_MAGIC) || (ad->ad_version != AD_VERSION)) {
836 DEBUG(1, ("wrong magic or version\n"));
837 return false;
838 }
839
840 adentries = RSVAL(ad->ad_data, ADEDOFF_NENTRIES);
841 if (adentries != nentries) {
842 DEBUG(1, ("invalid number of entries: %zu\n",
843 adentries));
844 return false;
845 }
846
847 /* now, read in the entry bits */
848 for (i = 0; i < adentries; i++) {
849 eid = RIVAL(ad->ad_data, AD_HEADER_LEN + (i * AD_ENTRY_LEN));
850 eid = get_eid(eid);
851 off = RIVAL(ad->ad_data, AD_HEADER_LEN + (i * AD_ENTRY_LEN) + 4);
852 len = RIVAL(ad->ad_data, AD_HEADER_LEN + (i * AD_ENTRY_LEN) + 8);
853
854 if (!eid || eid >= ADEID_MAX) {
855 DEBUG(1, ("bogus eid %d\n", eid));
856 return false;
857 }
858
859 /*
860 * All entries other than the resource fork are
861 * expected to be read into the ad_data buffer, so
862 * ensure the specified offset is within that bound
863 */
864 if ((off > bufsize) && (eid != ADEID_RFORK)) {
865 DEBUG(1, ("bogus eid %d: off: %" PRIu32 ", len: %" PRIu32 "\n",
866 eid, off, len));
867 return false;
868 }
869
870 /*
871 * All entries besides FinderInfo and resource fork
872 * must fit into the buffer. FinderInfo is special as
873 * it may be larger then the default 32 bytes (if it
874 * contains marshalled xattrs), but we will fixup that
875 * in ad_convert(). And the resource fork is never
876 * accessed directly by the ad_data buf (also see
877 * comment above) anyway.
878 */
879 if ((eid != ADEID_RFORK) &&
880 (eid != ADEID_FINDERI) &&
881 ((off + len) > bufsize)) {
882 DEBUG(1, ("bogus eid %d: off: %" PRIu32 ", len: %" PRIu32 "\n",
883 eid, off, len));
884 return false;
885 }
886
887 /*
888 * That would be obviously broken
889 */
890 if (off > filesize) {
891 DEBUG(1, ("bogus eid %d: off: %" PRIu32 ", len: %" PRIu32 "\n",
892 eid, off, len));
893 return false;
894 }
895
896 /*
897 * Check for any entry that has its end beyond the
898 * filesize.
899 */
900 if (off + len < off) {
901 DEBUG(1, ("offset wrap in eid %d: off: %" PRIu32
902 ", len: %" PRIu32 "\n",
903 eid, off, len));
904 return false;
905
906 }
907 if (off + len > filesize) {
908 /*
909 * If this is the resource fork entry, we fix
910 * up the length, for any other entry we bail
911 * out.
912 */
913 if (eid != ADEID_RFORK) {
914 DEBUG(1, ("bogus eid %d: off: %" PRIu32
915 ", len: %" PRIu32 "\n",
916 eid, off, len));
917 return false;
918 }
919
920 /*
921 * Fixup the resource fork entry by limiting
922 * the size to entryoffset - filesize.
923 */
924 len = filesize - off;
925 DEBUG(1, ("Limiting ADEID_RFORK: off: %" PRIu32
926 ", len: %" PRIu32 "\n", off, len));
927 }
928
929 ad->ad_eid[eid].ade_off = off;
930 ad->ad_eid[eid].ade_len = len;
931 }
932
933 ok = ad_unpack_xattrs(ad);
934 if (!ok) {
935 return false;
936 }
937
938 return true;
939 }
940
941 static bool ad_convert_xattr(struct adouble *ad,
942 const struct smb_filename *smb_fname,
943 char *map)
944 {
945 static struct char_mappings **string_replace_cmaps = NULL;
946 uint16_t i;
947 int saved_errno = 0;
948 NTSTATUS status;
949
950 if (ad->adx_header.adx_num_attrs == 0) {
951 return true;
952 }
953
954 if (string_replace_cmaps == NULL) {
955 const char **mappings = NULL;
956
957 mappings = str_list_make_v3_const(
958 talloc_tos(), fruit_catia_maps, NULL);
959 if (mappings == NULL) {
960 return false;
961 }
962 string_replace_cmaps = string_replace_init_map(mappings);
963 TALLOC_FREE(mappings);
964 }
965
966 for (i = 0; i < ad->adx_header.adx_num_attrs; i++) {
967 struct ad_xattr_entry *e = &ad->adx_entries[i];
968 char *mapped_name = NULL;
969 char *tmp = NULL;
970 struct smb_filename *stream_name = NULL;
971 files_struct *fsp = NULL;
972 ssize_t nwritten;
973
974 status = string_replace_allocate(ad->ad_handle->conn,
975 e->adx_name,
976 string_replace_cmaps,
977 talloc_tos(),
978 &mapped_name,
979 vfs_translate_to_windows);
980 if (!NT_STATUS_IS_OK(status) &&
981 !NT_STATUS_EQUAL(status, NT_STATUS_NONE_MAPPED))
982 {
983 DBG_ERR("string_replace_allocate failed\n");
984 return -1;
985 }
986
987 tmp = mapped_name;
988 mapped_name = talloc_asprintf(talloc_tos(), ":%s", tmp);
989 TALLOC_FREE(tmp);
990 if (mapped_name == NULL) {
991 return -1;
992 }
993
994 stream_name = synthetic_smb_fname(talloc_tos(),
995 smb_fname->base_name,
996 mapped_name,
997 NULL,
998 smb_fname->flags);
999 TALLOC_FREE(mapped_name);
1000 if (stream_name == NULL) {
1001 DBG_ERR("synthetic_smb_fname failed\n");
1002 return -1;
1003 }
1004
1005 DBG_DEBUG("stream_name: %s\n", smb_fname_str_dbg(stream_name));
1006
1007 status = SMB_VFS_CREATE_FILE(
1008 ad->ad_handle->conn, /* conn */
1009 NULL, /* req */
1010 0, /* root_dir_fid */
1011 stream_name, /* fname */
1012 FILE_GENERIC_WRITE, /* access_mask */
1013 FILE_SHARE_READ | FILE_SHARE_WRITE, /* share_access */
1014 FILE_OPEN_IF, /* create_disposition */
1015 0, /* create_options */
1016 0, /* file_attributes */
1017 INTERNAL_OPEN_ONLY, /* oplock_request */
1018 NULL, /* lease */
1019 0, /* allocation_size */
1020 0, /* private_flags */
1021 NULL, /* sd */
1022 NULL, /* ea_list */
1023 &fsp, /* result */
1024 NULL, /* psbuf */
1025 NULL, NULL); /* create context */
1026 TALLOC_FREE(stream_name);
1027 if (!NT_STATUS_IS_OK(status)) {
1028 DBG_ERR("SMB_VFS_CREATE_FILE failed\n");
1029 return -1;
1030 }
1031
1032 nwritten = SMB_VFS_PWRITE(fsp,
1033 map + e->adx_offset,
1034 e->adx_length,
1035 0);
1036 if (nwritten == -1) {
1037 DBG_ERR("SMB_VFS_PWRITE failed\n");
1038 saved_errno = errno;
1039 close_file(NULL, fsp, ERROR_CLOSE);
1040 errno = saved_errno;
1041 return -1;
1042 }
1043
1044 status = close_file(NULL, fsp, NORMAL_CLOSE);
1045 if (!NT_STATUS_IS_OK(status)) {
1046 return -1;
1047 }
1048 fsp = NULL;
1049 }
1050
1051 return true;
1052 }
1053
1054 /**
1055 * Convert from Apple's ._ file to Netatalk
1056 *
1057 * Apple's AppleDouble may contain a FinderInfo entry longer then 32
1058 * bytes containing packed xattrs. Netatalk can't deal with that, so
1059 * we simply discard the packed xattrs.
1060 *
1061 * @return -1 in case an error occurred, 0 if no conversion was done, 1
1062 * otherwise
1063 **/
1064 static int ad_convert(struct adouble *ad,
1065 const struct smb_filename *smb_fname,
1066 int fd)
1067 {
1068 int rc = 0;
1069 char *map = MAP_FAILED;
1070 size_t origlen;
1071 bool ok;
1072
1073 origlen = ad_getentryoff(ad, ADEID_RFORK) +
1074 ad_getentrylen(ad, ADEID_RFORK);
1075
1076 /* FIXME: direct use of mmap(), vfs_aio_fork does it too */
1077 map = mmap(NULL, origlen, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0);
1078 if (map == MAP_FAILED) {
1079 DEBUG(2, ("mmap AppleDouble: %s\n", strerror(errno)));
1080 rc = -1;
1081 goto exit;
1082 }
1083
1084 ok = ad_convert_xattr(ad, smb_fname, map);
1085 if (!ok) {
1086 munmap(map, origlen);
1087 return -1;
1088 }
1089
1090 if (ad_getentrylen(ad, ADEID_RFORK) > 0) {
1091 memmove(map + ad_getentryoff(ad, ADEID_FINDERI) + ADEDLEN_FINDERI,
1092 map + ad_getentryoff(ad, ADEID_RFORK),
1093 ad_getentrylen(ad, ADEID_RFORK));
1094 }
1095
1096 ad_setentrylen(ad, ADEID_FINDERI, ADEDLEN_FINDERI);
1097 ad_setentryoff(ad, ADEID_RFORK,
1098 ad_getentryoff(ad, ADEID_FINDERI) + ADEDLEN_FINDERI);
1099
1100 /*
1101 * FIXME: direct ftruncate(), but we don't have a fsp for the
1102 * VFS call
1103 */
1104 rc = ftruncate(fd, ad_getentryoff(ad, ADEID_RFORK)
1105 + ad_getentrylen(ad, ADEID_RFORK));
1106
1107 exit:
1108 if (map != MAP_FAILED) {
1109 munmap(map, origlen);
1110 }
1111 return rc;
1112 }
1113
1114 /**
1115 * Read and parse Netatalk AppleDouble metadata xattr
1116 **/
1117 static ssize_t ad_read_meta(struct adouble *ad,
1118 const struct smb_filename *smb_fname)
1119 {
1120 int rc = 0;
1121 ssize_t ealen;
1122 bool ok;
1123
1124 DEBUG(10, ("reading meta xattr for %s\n", smb_fname->base_name));
1125
1126 ealen = SMB_VFS_GETXATTR(ad->ad_handle->conn, smb_fname,
1127 AFPINFO_EA_NETATALK, ad->ad_data,
1128 AD_DATASZ_XATTR);
1129 if (ealen == -1) {
1130 switch (errno) {
1131 case ENOATTR:
1132 case ENOENT:
1133 if (errno == ENOATTR) {
1134 errno = ENOENT;
1135 }
1136 rc = -1;
1137 goto exit;
1138 default:
1139 DEBUG(2, ("error reading meta xattr: %s\n",
1140 strerror(errno)));
1141 rc = -1;
1142 goto exit;
1143 }
1144 }
1145 if (ealen != AD_DATASZ_XATTR) {
1146 DEBUG(2, ("bad size %zd\n", ealen));
1147 errno = EINVAL;
1148 rc = -1;
1149 goto exit;
1150 }
1151
1152 /* Now parse entries */
1153 ok = ad_unpack(ad, ADEID_NUM_XATTR, AD_DATASZ_XATTR);
1154 if (!ok) {
1155 DEBUG(2, ("invalid AppleDouble metadata xattr\n"));
1156 errno = EINVAL;
1157 rc = -1;
1158 goto exit;
1159 }
1160
1161 if (!ad_getentryoff(ad, ADEID_FINDERI)
1162 || !ad_getentryoff(ad, ADEID_COMMENT)
1163 || !ad_getentryoff(ad, ADEID_FILEDATESI)
1164 || !ad_getentryoff(ad, ADEID_AFPFILEI)
1165 || !ad_getentryoff(ad, ADEID_PRIVDEV)
1166 || !ad_getentryoff(ad, ADEID_PRIVINO)
1167 || !ad_getentryoff(ad, ADEID_PRIVSYN)
1168 || !ad_getentryoff(ad, ADEID_PRIVID)) {
1169 DEBUG(2, ("invalid AppleDouble metadata xattr\n"));
1170 errno = EINVAL;
1171 rc = -1;
1172 goto exit;
1173 }
1174
1175 exit:
1176 DEBUG(10, ("reading meta xattr for %s, rc: %d\n",
1177 smb_fname->base_name, rc));
1178
1179 if (rc != 0) {
1180 ealen = -1;
1181 if (errno == EINVAL) {
1182 become_root();
1183 removexattr(smb_fname->base_name, AFPINFO_EA_NETATALK);
1184 unbecome_root();
1185 errno = ENOENT;
1186 }
1187 }
1188 return ealen;
1189 }
1190
1191 static int ad_open_rsrc_xattr(const struct smb_filename *smb_fname,
1192 int flags,
1193 mode_t mode)
1194 {
1195 #ifdef HAVE_ATTROPEN
1196 /* FIXME: direct Solaris xattr syscall */
1197 return attropen(smb_fname->base_name,
1198 AFPRESOURCE_EA_NETATALK, flags, mode);
1199 #else
1200 errno = ENOSYS;
1201 return -1;
1202 #endif
1203 }
1204
1205 static int ad_open_rsrc_adouble(const struct smb_filename *smb_fname,
1206 int flags,
1207 mode_t mode)
1208 {
1209 int ret;
1210 int fd;
1211 struct smb_filename *adp_smb_fname = NULL;
1212
1213 ret = adouble_path(talloc_tos(), smb_fname, &adp_smb_fname);
1214 if (ret != 0) {
1215 return -1;
1216 }
1217
1218 fd = open(adp_smb_fname->base_name, flags, mode);
1219 TALLOC_FREE(adp_smb_fname);
1220
1221 return fd;
1222 }
1223
1224 static int ad_open_rsrc(vfs_handle_struct *handle,
1225 const struct smb_filename *smb_fname,
1226 int flags,
1227 mode_t mode)
1228 {
1229 struct fruit_config_data *config = NULL;
1230 int fd;
1231
1232 SMB_VFS_HANDLE_GET_DATA(handle, config,
1233 struct fruit_config_data, return -1);
1234
1235 if (config->rsrc == FRUIT_RSRC_XATTR) {
1236 fd = ad_open_rsrc_xattr(smb_fname, flags, mode);
1237 } else {
1238 fd = ad_open_rsrc_adouble(smb_fname, flags, mode);
1239 }
1240
1241 return fd;
1242 }
1243
1244 /*
1245 * Here's the deal: for ADOUBLE_META we can do without an fd as we can issue
1246 * path based xattr calls. For ADOUBLE_RSRC however we need a full-fledged fd
1247 * for file IO on the ._ file.
1248 */
1249 static int ad_open(vfs_handle_struct *handle,
1250 struct adouble *ad,
1251 files_struct *fsp,
1252 const struct smb_filename *smb_fname,
1253 int flags,
1254 mode_t mode)
1255 {
1256 int fd;
1257
1258 DBG_DEBUG("Path [%s] type [%s]\n", smb_fname->base_name,
1259 ad->ad_type == ADOUBLE_META ? "meta" : "rsrc");
1260
1261 if (ad->ad_type == ADOUBLE_META) {
1262 return 0;
1263 }
1264
1265 if ((fsp != NULL) && (fsp->fh != NULL) && (fsp->fh->fd != -1)) {
1266 ad->ad_fd = fsp->fh->fd;
1267 ad->ad_opened = false;
1268 return 0;
1269 }
1270
1271 fd = ad_open_rsrc(handle, smb_fname, flags, mode);
1272 if (fd == -1) {
1273 return -1;
1274 }
1275 ad->ad_opened = true;
1276 ad->ad_fd = fd;
1277
1278 DBG_DEBUG("Path [%s] type [%s] fd [%d]\n",
1279 smb_fname->base_name,
1280 ad->ad_type == ADOUBLE_META ? "meta" : "rsrc", fd);
1281
1282 return 0;
1283 }
1284
1285 static ssize_t ad_read_rsrc_xattr(struct adouble *ad)
1286 {
1287 int ret;
1288 SMB_STRUCT_STAT st;
1289
1290 /* FIXME: direct sys_fstat(), don't have an fsp */
1291 ret = sys_fstat(ad->ad_fd, &st,
1292 lp_fake_directory_create_times(
1293 SNUM(ad->ad_handle->conn)));
1294 if (ret != 0) {
1295 return -1;
1296 }
1297
1298 ad_setentrylen(ad, ADEID_RFORK, st.st_ex_size);
1299 return st.st_ex_size;
1300 }
1301
1302 static ssize_t ad_read_rsrc_adouble(struct adouble *ad,
1303 const struct smb_filename *smb_fname)
1304 {
1305 SMB_STRUCT_STAT sbuf;
1306 char *p_ad = NULL;
1307 AfpInfo *ai = NULL;
1308 DATA_BLOB aiblob;
1309 struct smb_filename *stream_name = NULL;
1310 files_struct *fsp = NULL;
1311 ssize_t len;
1312 size_t size;
1313 ssize_t nwritten;
1314 NTSTATUS status;
1315 int saved_errno = 0;
1316 int ret;
1317 bool ok;
1318
1319 ret = sys_fstat(ad->ad_fd, &sbuf, lp_fake_directory_create_times(
1320 SNUM(ad->ad_handle->conn)));
1321 if (ret != 0) {
1322 return -1;
1323 }
1324
1325 /*
1326 * AppleDouble file header content and size, two cases:
1327 *
1328 * - without xattrs it is exactly AD_DATASZ_DOT_UND (82) bytes large
1329 * - with embedded xattrs it can be larger, up to AD_XATTR_MAX_HDR_SIZE
1330 *
1331 * Read as much as we can up to AD_XATTR_MAX_HDR_SIZE.
1332 */
1333 size = sbuf.st_ex_size;
1334 if (size > talloc_array_length(ad->ad_data)) {
1335 if (size > AD_XATTR_MAX_HDR_SIZE) {
1336 size = AD_XATTR_MAX_HDR_SIZE;
1337 }
1338 p_ad = talloc_realloc(ad, ad->ad_data, char, size);
1339 if (p_ad == NULL) {
1340 return -1;
1341 }
1342 ad->ad_data = p_ad;
1343 }
1344
1345 len = sys_pread(ad->ad_fd, ad->ad_data,
1346 talloc_array_length(ad->ad_data), 0);
1347 if (len != talloc_array_length(ad->ad_data)) {
1348 DBG_NOTICE("%s %s: bad size: %zd\n",
1349 smb_fname->base_name, strerror(errno), len);
1350 return -1;
1351 }
1352
1353 /* Now parse entries */
1354 ok = ad_unpack(ad, ADEID_NUM_DOT_UND, sbuf.st_ex_size);
1355 if (!ok) {
1356 DBG_ERR("invalid AppleDouble resource %s\n",
1357 smb_fname->base_name);
1358 errno = EINVAL;
1359 return -1;
1360 }
1361
1362 if ((ad_getentryoff(ad, ADEID_FINDERI) != ADEDOFF_FINDERI_DOT_UND)
1363 || (ad_getentrylen(ad, ADEID_FINDERI) < ADEDLEN_FINDERI)
1364 || (ad_getentryoff(ad, ADEID_RFORK) < ADEDOFF_RFORK_DOT_UND)) {
1365 DBG_ERR("invalid AppleDouble resource %s\n",
1366 smb_fname->base_name);
1367 errno = EINVAL;
1368 return -1;
1369 }
1370
1371 if (ad_getentrylen(ad, ADEID_FINDERI) == ADEDLEN_FINDERI) {
1372 return len;
1373 }
1374
1375 /*
1376 * Try to fixup AppleDouble files created by OS X with xattrs
1377 * appended to the ADEID_FINDERI entry. We simply remove the
1378 * xattrs blob, this means any fancy xattr that was stored
1379 * there is lost.
1380 */
1381
1382 ret = ad_convert(ad, smb_fname, ad->ad_fd);
1383 if (ret != 0) {
1384 DBG_WARNING("Failed to convert [%s]\n", smb_fname->base_name);
1385 return len;
1386 }
1387
1388 ok = ad_pack(ad);
1389 if (!ok) {
1390 DBG_WARNING("ad_pack [%s] failed\n", smb_fname->base_name);
1391 return -1;
1392 }
1393
1394 len = sys_pwrite(ad->ad_fd, ad->ad_data, AD_DATASZ_DOT_UND, 0);
1395 if (len != AD_DATASZ_DOT_UND) {
1396 DBG_ERR("%s: bad size: %zd\n", smb_fname->base_name, len);
1397 return -1;
1398 }
1399
1400 p_ad = ad_get_entry(ad, ADEID_FINDERI);
1401 if (p_ad == NULL) {
1402 return -1;
1403 }
1404
1405 ai = afpinfo_new(talloc_tos());
1406 if (ai == NULL) {
1407 return -1;
1408 }
1409
1410 memcpy(ai->afpi_FinderInfo, p_ad, ADEDLEN_FINDERI);
1411
1412 aiblob = data_blob_talloc(talloc_tos(), NULL, AFP_INFO_SIZE);
1413 if (aiblob.data == NULL) {
1414 TALLOC_FREE(ai);
1415 return -1;
1416 }
1417
1418 size = afpinfo_pack(ai, (char *)aiblob.data);
1419 TALLOC_FREE(ai);
1420 if (size != AFP_INFO_SIZE) {
1421 return -1;
1422 }
1423
1424 stream_name = synthetic_smb_fname(talloc_tos(),
1425 smb_fname->base_name,
1426 AFPINFO_STREAM,
1427 NULL,
1428 smb_fname->flags);
1429 if (stream_name == NULL) {
1430 data_blob_free(&aiblob);
1431 DBG_ERR("synthetic_smb_fname failed\n");
1432 return -1;
1433 }
1434
1435 DBG_DEBUG("stream_name: %s\n", smb_fname_str_dbg(stream_name));
1436
1437 status = SMB_VFS_CREATE_FILE(
1438 ad->ad_handle->conn, /* conn */
1439 NULL, /* req */
1440 0, /* root_dir_fid */
1441 stream_name, /* fname */
1442 FILE_GENERIC_WRITE, /* access_mask */
1443 FILE_SHARE_READ | FILE_SHARE_WRITE, /* share_access */
1444 FILE_OPEN_IF, /* create_disposition */
1445 0, /* create_options */
1446 0, /* file_attributes */
1447 INTERNAL_OPEN_ONLY, /* oplock_request */
1448 NULL, /* lease */
1449 0, /* allocation_size */
1450 0, /* private_flags */
1451 NULL, /* sd */
1452 NULL, /* ea_list */
1453 &fsp, /* result */
1454 NULL, /* psbuf */
1455 NULL, NULL); /* create context */
1456 TALLOC_FREE(stream_name);
1457 if (!NT_STATUS_IS_OK(status)) {
1458 DBG_ERR("SMB_VFS_CREATE_FILE failed\n");
1459 return -1;
1460 }
1461
1462 nwritten = SMB_VFS_PWRITE(fsp,
1463 aiblob.data,
1464 aiblob.length,
1465 0);
1466 if (nwritten == -1) {
1467 DBG_ERR("SMB_VFS_PWRITE failed\n");
1468 saved_errno = errno;
1469 close_file(NULL, fsp, ERROR_CLOSE);
1470 errno = saved_errno;
1471 return -1;
1472 }
1473
1474 status = close_file(NULL, fsp, NORMAL_CLOSE);
1475 if (!NT_STATUS_IS_OK(status)) {
1476 return -1;
1477 }
1478 fsp = NULL;
1479
1480 return len;
1481 }
1482
1483 /**
1484 * Read and parse resource fork, either ._ AppleDouble file or xattr
1485 **/
1486 static ssize_t ad_read_rsrc(struct adouble *ad,
1487 const struct smb_filename *smb_fname)
1488 {
1489 struct fruit_config_data *config = NULL;
1490 ssize_t len;
1491
1492 SMB_VFS_HANDLE_GET_DATA(ad->ad_handle, config,
1493 struct fruit_config_data, return -1);
1494
1495 if (config->rsrc == FRUIT_RSRC_XATTR) {
1496 len = ad_read_rsrc_xattr(ad);
1497 } else {
1498 len = ad_read_rsrc_adouble(ad, smb_fname);
1499 }
1500
1501 return len;
1502 }
1503
1504 /**
1505 * Read and unpack an AppleDouble metadata xattr or resource
1506 **/
1507 static ssize_t ad_read(struct adouble *ad, const struct smb_filename *smb_fname)
1508 {
1509 switch (ad->ad_type) {
1510 case ADOUBLE_META:
1511 return ad_read_meta(ad, smb_fname);
1512 case ADOUBLE_RSRC:
1513 return ad_read_rsrc(ad, smb_fname);
1514 default:
1515 return -1;
1516 }
1517 }
1518
1519 static int adouble_destructor(struct adouble *ad)
1520 {
1521 if ((ad->ad_fd != -1) && ad->ad_opened) {
1522 close(ad->ad_fd);
1523 ad->ad_fd = -1;
1524 }
1525 return 0;
1526 }
1527
1528 /**
1529 * Allocate a struct adouble without initialiing it
1530 *
1531 * The struct is either hang of the fsp extension context or if fsp is
1532 * NULL from ctx.
1533 *
1534 * @param[in] ctx talloc context
1535 * @param[in] handle vfs handle
1536 * @param[in] type type of AppleDouble, ADOUBLE_META or ADOUBLE_RSRC
1537 *
1538 * @return adouble handle
1539 **/
1540 static struct adouble *ad_alloc(TALLOC_CTX *ctx, vfs_handle_struct *handle,
1541 adouble_type_t type)
1542 {
1543 int rc = 0;
1544 size_t adsize = 0;
1545 struct adouble *ad;
1546 struct fruit_config_data *config;
1547
1548 SMB_VFS_HANDLE_GET_DATA(handle, config,
1549 struct fruit_config_data, return NULL);
1550
1551 switch (type) {
1552 case ADOUBLE_META:
1553 adsize = AD_DATASZ_XATTR;
1554 break;
1555 case ADOUBLE_RSRC:
1556 if (config->rsrc == FRUIT_RSRC_ADFILE) {
1557 adsize = AD_DATASZ_DOT_UND;
1558 }
1559 break;
1560 default:
1561 return NULL;
1562 }
1563
1564 ad = talloc_zero(ctx, struct adouble);
1565 if (ad == NULL) {
1566 rc = -1;
1567 goto exit;
1568 }
1569
1570 if (adsize) {
1571 ad->ad_data = talloc_zero_array(ad, char, adsize);
1572 if (ad->ad_data == NULL) {
1573 rc = -1;
1574 goto exit;
1575 }
1576 }
1577
1578 ad->ad_handle = handle;
1579 ad->ad_type = type;
1580 ad->ad_magic = AD_MAGIC;
1581 ad->ad_version = AD_VERSION;
1582 ad->ad_fd = -1;
1583
1584 talloc_set_destructor(ad, adouble_destructor);
1585
1586 exit:
1587 if (rc != 0) {
1588 TALLOC_FREE(ad);
1589 }
1590 return ad;
1591 }
1592
1593 /**
1594 * Allocate and initialize a new struct adouble
1595 *
1596 * @param[in] ctx talloc context
1597 * @param[in] handle vfs handle
1598 * @param[in] type type of AppleDouble, ADOUBLE_META or ADOUBLE_RSRC
1599 *
1600 * @return adouble handle, initialized
1601 **/
1602 static struct adouble *ad_init(TALLOC_CTX *ctx, vfs_handle_struct *handle,
1603 adouble_type_t type)
1604 {
1605 int rc = 0;
1606 const struct ad_entry_order *eid;
1607 struct adouble *ad = NULL;
1608 struct fruit_config_data *config;
1609 time_t t = time(NULL);
1610
1611 SMB_VFS_HANDLE_GET_DATA(handle, config,
1612 struct fruit_config_data, return NULL);
1613
1614 switch (type) {
1615 case ADOUBLE_META:
1616 eid = entry_order_meta_xattr;
1617 break;
1618 case ADOUBLE_RSRC:
1619 if (config->rsrc == FRUIT_RSRC_ADFILE) {
1620 eid = entry_order_dot_und;
1621 } else {
1622 eid = entry_order_rsrc_xattr;
1623 }
1624 break;
1625 default:
1626 return NULL;
1627 }
1628
1629 ad = ad_alloc(ctx, handle, type);
1630 if (ad == NULL) {
1631 return NULL;
1632 }
1633
1634 while (eid->id) {
1635 ad->ad_eid[eid->id].ade_off = eid->offset;
1636 ad->ad_eid[eid->id].ade_len = eid->len;
1637 eid++;
1638 }
1639
1640 /* put something sane in the date fields */
1641 ad_setdate(ad, AD_DATE_CREATE | AD_DATE_UNIX, t);
1642 ad_setdate(ad, AD_DATE_MODIFY | AD_DATE_UNIX, t);
1643 ad_setdate(ad, AD_DATE_ACCESS | AD_DATE_UNIX, t);
1644 ad_setdate(ad, AD_DATE_BACKUP, htonl(AD_DATE_START));
1645
1646 if (rc != 0) {
1647 TALLOC_FREE(ad);
1648 }
1649 return ad;
1650 }
1651
1652 static struct adouble *ad_get_internal(TALLOC_CTX *ctx,
1653 vfs_handle_struct *handle,
1654 files_struct *fsp,
1655 const struct smb_filename *smb_fname,
1656 adouble_type_t type)
1657 {
1658 int rc = 0;
1659 ssize_t len;
1660 struct adouble *ad = NULL;
1661 int mode;
1662
1663 if (fsp != NULL) {
1664 smb_fname = fsp->base_fsp->fsp_name;
1665 }
1666
1667 DEBUG(10, ("ad_get(%s) called for %s\n",
1668 type == ADOUBLE_META ? "meta" : "rsrc",
1669 smb_fname->base_name));
1670
1671 ad = ad_alloc(ctx, handle, type);
1672 if (ad == NULL) {
1673 rc = -1;
1674 goto exit;
1675 }
1676
1677 /* Try rw first so we can use the fd in ad_convert() */
1678 mode = O_RDWR;
1679
1680 rc = ad_open(handle, ad, fsp, smb_fname, mode, 0);
1681 if (rc == -1 && ((errno == EROFS) || (errno == EACCES))) {
1682 mode = O_RDONLY;
1683 rc = ad_open(handle, ad, fsp, smb_fname, mode, 0);
1684 }
1685 if (rc == -1) {
1686 DBG_DEBUG("ad_open [%s] error [%s]\n",
1687 smb_fname->base_name, strerror(errno));
1688 goto exit;
1689
1690 }
1691
1692 len = ad_read(ad, smb_fname);
1693 if (len == -1) {
1694 DEBUG(10, ("error reading AppleDouble for %s\n",
1695 smb_fname->base_name));
1696 rc = -1;
1697 goto exit;
1698 }
1699
1700 exit:
1701 DEBUG(10, ("ad_get(%s) for %s returning %d\n",
1702 type == ADOUBLE_META ? "meta" : "rsrc",
1703 smb_fname->base_name, rc));
1704
1705 if (rc != 0) {
1706 TALLOC_FREE(ad);
1707 }
1708 return ad;
1709 }
1710
1711 /**
1712 * Return AppleDouble data for a file
1713 *
1714 * @param[in] ctx talloc context
1715 * @param[in] handle vfs handle
1716 * @param[in] smb_fname pathname to file or directory
1717 * @param[in] type type of AppleDouble, ADOUBLE_META or ADOUBLE_RSRC
1718 *
1719 * @return talloced struct adouble or NULL on error
1720 **/
1721 static struct adouble *ad_get(TALLOC_CTX *ctx,
1722 vfs_handle_struct *handle,
1723 const struct smb_filename *smb_fname,
1724 adouble_type_t type)
1725 {
1726 return ad_get_internal(ctx, handle, NULL, smb_fname, type);
1727 }
1728
1729 /**
1730 * Return AppleDouble data for a file
1731 *
1732 * @param[in] ctx talloc context
1733 * @param[in] handle vfs handle
1734 * @param[in] fsp fsp to use for IO
1735 * @param[in] type type of AppleDouble, ADOUBLE_META or ADOUBLE_RSRC
1736 *
1737 * @return talloced struct adouble or NULL on error
1738 **/
1739 static struct adouble *ad_fget(TALLOC_CTX *ctx, vfs_handle_struct *handle,
1740 files_struct *fsp, adouble_type_t type)
1741 {
1742 return ad_get_internal(ctx, handle, fsp, NULL, type);
1743 }
1744
1745 /**
1746 * Set AppleDouble metadata on a file or directory
1747 *
1748 * @param[in] ad adouble handle
1749 *
1750 * @param[in] smb_fname pathname to file or directory
1751 *
1752 * @return status code, 0 means success
1753 **/
1754 static int ad_set(struct adouble *ad, const struct smb_filename *smb_fname)
1755 {
1756 bool ok;
1757 int ret;
1758
1759 DBG_DEBUG("Path [%s]\n", smb_fname->base_name);
1760
1761 if (ad->ad_type != ADOUBLE_META) {
1762 DBG_ERR("ad_set on [%s] used with ADOUBLE_RSRC\n",
1763 smb_fname->base_name);
1764 return -1;
1765 }
1766
1767 ok = ad_pack(ad);
1768 if (!ok) {
1769 return -1;
1770 }
1771
1772 ret = SMB_VFS_SETXATTR(ad->ad_handle->conn,
1773 smb_fname,
1774 AFPINFO_EA_NETATALK,
1775 ad->ad_data,
1776 AD_DATASZ_XATTR, 0);
1777
1778 DBG_DEBUG("Path [%s] ret [%d]\n", smb_fname->base_name, ret);
1779
1780 return ret;
1781 }
1782
1783 /**
1784 * Set AppleDouble metadata on a file or directory
1785 *
1786 * @param[in] ad adouble handle
1787 * @param[in] fsp file handle
1788 *
1789 * @return status code, 0 means success
1790 **/
1791 static int ad_fset(struct adouble *ad, files_struct *fsp)
1792 {
1793 int rc = -1;
1794 ssize_t len;
1795 bool ok;
1796
1797 DBG_DEBUG("Path [%s]\n", fsp_str_dbg(fsp));
1798
1799 if ((fsp == NULL)
1800 || (fsp->fh == NULL)
1801 || (fsp->fh->fd == -1))
1802 {
1803 smb_panic("bad fsp");
1804 }
1805
1806 ok = ad_pack(ad);
1807 if (!ok) {
1808 return -1;
1809 }
1810
1811 switch (ad->ad_type) {
1812 case ADOUBLE_META:
1813 rc = SMB_VFS_NEXT_SETXATTR(ad->ad_handle,
1814 fsp->fsp_name,
1815 AFPINFO_EA_NETATALK,
1816 ad->ad_data,
1817 AD_DATASZ_XATTR, 0);
1818 break;
1819
1820 case ADOUBLE_RSRC:
1821 len = SMB_VFS_NEXT_PWRITE(ad->ad_handle,
1822 fsp,
1823 ad->ad_data,
1824 AD_DATASZ_DOT_UND,
1825 0);
1826 if (len != AD_DATASZ_DOT_UND) {
1827 DBG_ERR("short write on %s: %zd", fsp_str_dbg(fsp), len);
1828 return -1;
1829 }
1830 rc = 0;
1831 break;
1832
1833 default:
1834 return -1;
1835 }
1836
1837 DBG_DEBUG("Path [%s] rc [%d]\n", fsp_str_dbg(fsp), rc);
1838
1839 return rc;
1840 }
1841
1842 /*****************************************************************************
1843 * Helper functions
1844 *****************************************************************************/
1845
1846 static bool is_afpinfo_stream(const struct smb_filename *smb_fname)
1847 {
1848 if (strncasecmp_m(smb_fname->stream_name,
1849 AFPINFO_STREAM_NAME,
1850 strlen(AFPINFO_STREAM_NAME)) == 0) {
1851 return true;
1852 }
1853 return false;
1854 }
1855
1856 static bool is_afpresource_stream(const struct smb_filename *smb_fname)
1857 {
1858 if (strncasecmp_m(smb_fname->stream_name,
1859 AFPRESOURCE_STREAM_NAME,
1860 strlen(AFPRESOURCE_STREAM_NAME)) == 0) {
1861 return true;
1862 }
1863 return false;
1864 }
1865
1866 /**
1867 * Test whether stream is an Apple stream, not used atm
1868 **/
1869 #if 0
1870 static bool is_apple_stream(const struct smb_filename *smb_fname)
1871 {
1872 if (is_afpinfo_stream(smb_fname)) {
1873 return true;
1874 }
1875 if (is_afpresource_stream(smb_fname)) {
1876 return true;
1877 }
1878 return false;
1879 }
1880 #endif
1881
1882 /**
1883 * Initialize config struct from our smb.conf config parameters
1884 **/
1885 static int init_fruit_config(vfs_handle_struct *handle)
1886 {
1887 struct fruit_config_data *config;
1888 int enumval;
1889 const char *tm_size_str = NULL;
1890
1891 config = talloc_zero(handle->conn, struct fruit_config_data);
1892 if (!config) {
1893 DEBUG(1, ("talloc_zero() failed\n"));
1894 errno = ENOMEM;
1895 return -1;
1896 }
1897
1898 /*
1899 * Versions up to Samba 4.5.x had a spelling bug in the
1900 * fruit:resource option calling lp_parm_enum with
1901 * "res*s*ource" (ie two s).
1902 *
1903 * In Samba 4.6 we accept both the wrong and the correct
1904 * spelling, in Samba 4.7 the bad spelling will be removed.
1905 */
1906 enumval = lp_parm_enum(SNUM(handle->conn), FRUIT_PARAM_TYPE_NAME,
1907 "ressource", fruit_rsrc, FRUIT_RSRC_ADFILE);
1908 if (enumval == -1) {
1909 DEBUG(1, ("value for %s: resource type unknown\n",
1910 FRUIT_PARAM_TYPE_NAME));
1911 return -1;
1912 }
1913 config->rsrc = (enum fruit_rsrc)enumval;
1914
1915 enumval = lp_parm_enum(SNUM(handle->conn), FRUIT_PARAM_TYPE_NAME,
1916 "resource", fruit_rsrc, enumval);
1917 if (enumval == -1) {
1918 DEBUG(1, ("value for %s: resource type unknown\n",
1919 FRUIT_PARAM_TYPE_NAME));
1920 return -1;
1921 }
1922 config->rsrc = (enum fruit_rsrc)enumval;
1923
1924 enumval = lp_parm_enum(SNUM(handle->conn), FRUIT_PARAM_TYPE_NAME,
1925 "metadata", fruit_meta, FRUIT_META_NETATALK);
1926 if (enumval == -1) {
1927 DEBUG(1, ("value for %s: metadata type unknown\n",
1928 FRUIT_PARAM_TYPE_NAME));
1929 return -1;
1930 }
1931 config->meta = (enum fruit_meta)enumval;
1932
1933 enumval = lp_parm_enum(SNUM(handle->conn), FRUIT_PARAM_TYPE_NAME,
1934 "locking", fruit_locking, FRUIT_LOCKING_NONE);
1935 if (enumval == -1) {
1936 DEBUG(1, ("value for %s: locking type unknown\n",
1937 FRUIT_PARAM_TYPE_NAME));
1938 return -1;
1939 }
1940 config->locking = (enum fruit_locking)enumval;
1941
1942 enumval = lp_parm_enum(SNUM(handle->conn), FRUIT_PARAM_TYPE_NAME,
1943 "encoding", fruit_encoding, FRUIT_ENC_PRIVATE);
1944 if (enumval == -1) {
1945 DEBUG(1, ("value for %s: encoding type unknown\n",
1946 FRUIT_PARAM_TYPE_NAME));
1947 return -1;
1948 }
1949 config->encoding = (enum fruit_encoding)enumval;
1950
1951 if (config->rsrc == FRUIT_RSRC_ADFILE) {
1952 config->veto_appledouble = lp_parm_bool(SNUM(handle->conn),
1953 FRUIT_PARAM_TYPE_NAME,
1954 "veto_appledouble",
1955 true);
1956 }
1957
1958 config->use_aapl = lp_parm_bool(
1959 -1, FRUIT_PARAM_TYPE_NAME, "aapl", true);
1960
1961 config->time_machine = lp_parm_bool(
1962 SNUM(handle->conn), FRUIT_PARAM_TYPE_NAME, "time machine", false);
1963
1964 config->unix_info_enabled = lp_parm_bool(
1965 -1, FRUIT_PARAM_TYPE_NAME, "nfs_aces", true);
1966
1967 config->use_copyfile = lp_parm_bool(-1, FRUIT_PARAM_TYPE_NAME,
1968 "copyfile", false);
1969
1970 config->posix_rename = lp_parm_bool(
1971 SNUM(handle->conn), FRUIT_PARAM_TYPE_NAME, "posix_rename", true);
1972
1973 config->aapl_zero_file_id =
1974 lp_parm_bool(-1, FRUIT_PARAM_TYPE_NAME, "zero_file_id", true);
1975
1976 config->readdir_attr_rsize = lp_parm_bool(
1977 SNUM(handle->conn), "readdir_attr", "aapl_rsize", true);
1978
1979 config->readdir_attr_finder_info = lp_parm_bool(
1980 SNUM(handle->conn), "readdir_attr", "aapl_finder_info", true);
1981
1982 config->readdir_attr_max_access = lp_parm_bool(
1983 SNUM(handle->conn), "readdir_attr", "aapl_max_access", true);
1984
1985 config->model = lp_parm_const_string(
1986 -1, FRUIT_PARAM_TYPE_NAME, "model", "MacSamba");
1987
1988 tm_size_str = lp_parm_const_string(
1989 SNUM(handle->conn), FRUIT_PARAM_TYPE_NAME,
1990 "time machine max size", NULL);
1991 if (tm_size_str != NULL) {
1992 config->time_machine_max_size = conv_str_size(tm_size_str);
1993 }
1994
1995 SMB_VFS_HANDLE_SET_DATA(handle, config,
1996 NULL, struct fruit_config_data,
1997 return -1);
1998
1999 return 0;
2000 }
2001
2002 /**
2003 * Prepend "._" to a basename
2004 * Return a new struct smb_filename with stream_name == NULL.
2005 **/
2006 static int adouble_path(TALLOC_CTX *ctx,
2007 const struct smb_filename *smb_fname_in,
2008 struct smb_filename **pp_smb_fname_out)
2009 {
2010 char *parent;
2011 const char *base;
2012 struct smb_filename *smb_fname = cp_smb_filename(ctx,
2013 smb_fname_in);
2014
2015 if (smb_fname == NULL) {
2016 return -1;
2017 }
2018
2019 /* We need streamname to be NULL */
2020 TALLOC_FREE(smb_fname->stream_name);
2021
2022 /* And we're replacing base_name. */
2023 TALLOC_FREE(smb_fname->base_name);
2024
2025 if (!parent_dirname(smb_fname, smb_fname_in->base_name,
2026 &parent, &base)) {
2027 TALLOC_FREE(smb_fname);
2028 return -1;
2029 }
2030
2031 smb_fname->base_name = talloc_asprintf(smb_fname,
2032 "%s/._%s", parent, base);
2033 if (smb_fname->base_name == NULL) {
2034 TALLOC_FREE(smb_fname);
2035 return -1;
2036 }
2037
2038 *pp_smb_fname_out = smb_fname;
2039
2040 return 0;
2041 }
2042
2043 /**
2044 * Allocate and initialize an AfpInfo struct
2045 **/
2046 static AfpInfo *afpinfo_new(TALLOC_CTX *ctx)
2047 {
2048 AfpInfo *ai = talloc_zero(ctx, AfpInfo);
2049 if (ai == NULL) {
2050 return NULL;
2051 }
2052 ai->afpi_Signature = AFP_Signature;
2053 ai->afpi_Version = AFP_Version;
2054 ai->afpi_BackupTime = AD_DATE_START;
2055 return ai;
2056 }
2057
2058 /**
2059 * Pack an AfpInfo struct into a buffer
2060 *
2061 * Buffer size must be at least AFP_INFO_SIZE
2062 * Returns size of packed buffer
2063 **/
2064 static ssize_t afpinfo_pack(const AfpInfo *ai, char *buf)
2065 {
2066 memset(buf, 0, AFP_INFO_SIZE);
2067
2068 RSIVAL(buf, 0, ai->afpi_Signature);
2069 RSIVAL(buf, 4, ai->afpi_Version);
2070 RSIVAL(buf, 12, ai->afpi_BackupTime);
2071 memcpy(buf + 16, ai->afpi_FinderInfo, sizeof(ai->afpi_FinderInfo));
2072
2073 return AFP_INFO_SIZE;
2074 }
2075
2076 /**
2077 * Unpack a buffer into a AfpInfo structure
2078 *
2079 * Buffer size must be at least AFP_INFO_SIZE
2080 * Returns allocated AfpInfo struct
2081 **/
2082 static AfpInfo *afpinfo_unpack(TALLOC_CTX *ctx, const void *data)
2083 {
2084 AfpInfo *ai = talloc_zero(ctx, AfpInfo);
2085 if (ai == NULL) {
2086 return NULL;
2087 }
2088
2089 ai->afpi_Signature = RIVAL(data, 0);
2090 ai->afpi_Version = RIVAL(data, 4);
2091 ai->afpi_BackupTime = RIVAL(data, 12);
2092 memcpy(ai->afpi_FinderInfo, (const char *)data + 16,
2093 sizeof(ai->afpi_FinderInfo));
2094
2095 if (ai->afpi_Signature != AFP_Signature
2096 || ai->afpi_Version != AFP_Version) {
2097 DEBUG(1, ("Bad AfpInfo signature or version\n"));
2098 TALLOC_FREE(ai);
2099 }
2100
2101 return ai;
2102 }
2103
2104 /**
2105 * Fake an inode number from the md5 hash of the (xattr) name
2106 **/
2107 static SMB_INO_T fruit_inode(const SMB_STRUCT_STAT *sbuf, const char *sname)
2108 {
2109 MD5_CTX ctx;
2110 unsigned char hash[16];
2111 SMB_INO_T result;
2112 char *upper_sname;
2113
2114 upper_sname = talloc_strdup_upper(talloc_tos(), sname);
2115 SMB_ASSERT(upper_sname != NULL);
2116
2117 MD5Init(&ctx);
2118 MD5Update(&ctx, (const unsigned char *)&(sbuf->st_ex_dev),
2119 sizeof(sbuf->st_ex_dev));
2120 MD5Update(&ctx, (const unsigned char *)&(sbuf->st_ex_ino),
2121 sizeof(sbuf->st_ex_ino));
2122 MD5Update(&ctx, (unsigned char *)upper_sname,
2123 talloc_get_size(upper_sname)-1);
2124 MD5Final(hash, &ctx);
2125
2126 TALLOC_FREE(upper_sname);
2127
2128 /* Hopefully all the variation is in the lower 4 (or 8) bytes! */
2129 memcpy(&result, hash, sizeof(result));
2130
2131 DEBUG(10, ("fruit_inode \"%s\": ino=0x%llu\n",
2132 sname, (unsigned long long)result));
2133
2134 return result;
2135 }
2136
2137 static bool add_fruit_stream(TALLOC_CTX *mem_ctx, unsigned int *num_streams,
2138 struct stream_struct **streams,
2139 const char *name, off_t size,
2140 off_t alloc_size)
2141 {
2142 struct stream_struct *tmp;
2143
2144 tmp = talloc_realloc(mem_ctx, *streams, struct stream_struct,
2145 (*num_streams)+1);
2146 if (tmp == NULL) {
2147 return false;
2148 }
2149
2150 tmp[*num_streams].name = talloc_asprintf(tmp, "%s:$DATA", name);
2151 if (tmp[*num_streams].name == NULL) {
2152 return false;
2153 }
2154
2155 tmp[*num_streams].size = size;
2156 tmp[*num_streams].alloc_size = alloc_size;
2157
2158 *streams = tmp;
2159 *num_streams += 1;
2160 return true;
2161 }
2162
2163 static bool filter_empty_rsrc_stream(unsigned int *num_streams,
2164 struct stream_struct **streams)
2165 {
2166 struct stream_struct *tmp = *streams;
2167 unsigned int i;
2168
2169 if (*num_streams == 0) {
2170 return true;
2171 }
2172
2173 for (i = 0; i < *num_streams; i++) {
2174 if (strequal_m(tmp[i].name, AFPRESOURCE_STREAM)) {
2175 break;
2176 }
2177 }
2178
2179 if (i == *num_streams) {
2180 return true;
2181 }
2182
2183 if (tmp[i].size > 0) {
2184 return true;
2185 }
2186
2187 TALLOC_FREE(tmp[i].name);
2188 if (*num_streams - 1 > i) {
2189 memmove(&tmp[i], &tmp[i+1],
2190 (*num_streams - i - 1) * sizeof(struct stream_struct));
2191 }
2192
2193 *num_streams -= 1;
2194 return true;
2195 }
2196
2197 static bool del_fruit_stream(TALLOC_CTX *mem_ctx, unsigned int *num_streams,
2198 struct stream_struct **streams,
2199 const char *name)
2200 {
2201 struct stream_struct *tmp = *streams;
2202 unsigned int i;
2203
2204 if (*num_streams == 0) {
2205 return true;
2206 }
2207
2208 for (i = 0; i < *num_streams; i++) {
2209 if (strequal_m(tmp[i].name, name)) {
2210 break;
2211 }
2212 }
2213
2214 if (i == *num_streams) {
2215 return true;
2216 }
2217
2218 TALLOC_FREE(tmp[i].name);
2219 if (*num_streams - 1 > i) {
2220 memmove(&tmp[i], &tmp[i+1],
2221 (*num_streams - i - 1) * sizeof(struct stream_struct));
2222 }
2223
2224 *num_streams -= 1;
2225 return true;
2226 }
2227
2228 static bool ad_empty_finderinfo(const struct adouble *ad)
2229 {
2230 int cmp;
2231 char emptybuf[ADEDLEN_FINDERI] = {0};
2232 char *fi = NULL;
2233
2234 fi = ad_get_entry(ad, ADEID_FINDERI);
2235 if (fi == NULL) {
2236 DBG_ERR("Missing FinderInfo in struct adouble [%p]\n", ad);
2237 return false;
2238 }
2239
2240 cmp = memcmp(emptybuf, fi, ADEDLEN_FINDERI);
2241 return (cmp == 0);
2242 }
2243
2244 static bool ai_empty_finderinfo(const AfpInfo *ai)
2245 {
2246 int cmp;
2247 char emptybuf[ADEDLEN_FINDERI] = {0};
2248
2249 cmp = memcmp(emptybuf, &ai->afpi_FinderInfo[0], ADEDLEN_FINDERI);
2250 return (cmp == 0);
2251 }
2252
2253 /**
2254 * Update btime with btime from Netatalk
2255 **/
2256 static void update_btime(vfs_handle_struct *handle,
2257 struct smb_filename *smb_fname)
2258 {
2259 uint32_t t;
2260 struct timespec creation_time = {0};
2261 struct adouble *ad;
2262 struct fruit_config_data *config = NULL;
2263
2264 SMB_VFS_HANDLE_GET_DATA(handle, config, struct fruit_config_data,
2265 return);
2266
2267 switch (config->meta) {
2268 case FRUIT_META_STREAM:
2269 return;
2270 case FRUIT_META_NETATALK:
2271 /* Handled below */
2272 break;
2273 default:
2274 DBG_ERR("Unexpected meta config [%d]\n", config->meta);
2275 return;
2276 }
2277
2278 ad = ad_get(talloc_tos(), handle, smb_fname, ADOUBLE_META);
2279 if (ad == NULL) {
2280 return;
2281 }
2282 if (ad_getdate(ad, AD_DATE_UNIX | AD_DATE_CREATE, &t) != 0) {
2283 TALLOC_FREE(ad);
2284 return;
2285 }
2286 TALLOC_FREE(ad);
2287
2288 creation_time.tv_sec = convert_uint32_t_to_time_t(t);
2289 update_stat_ex_create_time(&smb_fname->st, creation_time);
2290
2291 return;
2292 }
2293
2294 /**
2295 * Map an access mask to a Netatalk single byte byte range lock
2296 **/
2297 static off_t access_to_netatalk_brl(enum apple_fork fork_type,
2298 uint32_t access_mask)
2299 {
2300 off_t offset;
2301
2302 switch (access_mask) {
2303 case FILE_READ_DATA:
2304 offset = AD_FILELOCK_OPEN_RD;
2305 break;
2306
2307 case FILE_WRITE_DATA:
2308 case FILE_APPEND_DATA:
2309 offset = AD_FILELOCK_OPEN_WR;
2310 break;
2311
2312 default:
2313 offset = AD_FILELOCK_OPEN_NONE;
2314 break;
2315 }
2316
2317 if (fork_type == APPLE_FORK_RSRC) {
2318 if (offset == AD_FILELOCK_OPEN_NONE) {
2319 offset = AD_FILELOCK_RSRC_OPEN_NONE;
2320 } else {
2321 offset += 2;
2322 }
2323 }
2324
2325 return offset;
2326 }
2327
2328 /**
2329 * Map a deny mode to a Netatalk brl
2330 **/
2331 static off_t denymode_to_netatalk_brl(enum apple_fork fork_type,
2332 uint32_t deny_mode)
2333 {
2334 off_t offset;
2335
2336 switch (deny_mode) {
2337 case DENY_READ:
2338 offset = AD_FILELOCK_DENY_RD;
2339 break;
2340
2341 case DENY_WRITE:
2342 offset = AD_FILELOCK_DENY_WR;
2343 break;
2344
2345 default:
2346 smb_panic("denymode_to_netatalk_brl: bad deny mode\n");
2347 }
2348
2349 if (fork_type == APPLE_FORK_RSRC) {
2350 offset += 2;
2351 }
2352
2353 return offset;
2354 }
2355
2356 /**
2357 * Call fcntl() with an exclusive F_GETLK request in order to
2358 * determine if there's an exisiting shared lock
2359 *
2360 * @return true if the requested lock was found or any error occurred
2361 * false if the lock was not found
2362 **/
2363 static bool test_netatalk_lock(files_struct *fsp, off_t in_offset)
2364 {
2365 bool result;
2366 off_t offset = in_offset;
2367 off_t len = 1;
2368 int type = F_WRLCK;
2369 pid_t pid;
2370
2371 result = SMB_VFS_GETLOCK(fsp, &offset, &len, &type, &pid);
2372 if (result == false) {
2373 return true;
2374 }
2375
2376 if (type != F_UNLCK) {
2377 return true;
2378 }
2379
2380 return false;
2381 }
2382
2383 static NTSTATUS fruit_check_access(vfs_handle_struct *handle,
2384 files_struct *fsp,
2385 uint32_t access_mask,
2386 uint32_t deny_mode)
2387 {
2388 NTSTATUS status = NT_STATUS_OK;
2389 struct byte_range_lock *br_lck = NULL;
2390 bool open_for_reading, open_for_writing, deny_read, deny_write;
2391 off_t off;
2392 bool have_read = false;
2393 int flags;
2394
2395 /* FIXME: hardcoded data fork, add resource fork */
2396 enum apple_fork fork_type = APPLE_FORK_DATA;
2397
2398 DEBUG(10, ("fruit_check_access: %s, am: %s/%s, dm: %s/%s\n",
2399 fsp_str_dbg(fsp),
2400 access_mask & FILE_READ_DATA ? "READ" :"-",
2401 access_mask & FILE_WRITE_DATA ? "WRITE" : "-",
2402 deny_mode & DENY_READ ? "DENY_READ" : "-",
2403 deny_mode & DENY_WRITE ? "DENY_WRITE" : "-"));
2404
2405 if (fsp->fh->fd == -1) {
2406 return NT_STATUS_OK;
2407 }
2408
2409 flags = fcntl(fsp->fh->fd, F_GETFL);
2410 if (flags == -1) {
2411 DBG_ERR("fcntl get flags [%s] fd [%d] failed [%s]\n",
2412 fsp_str_dbg(fsp), fsp->fh->fd, strerror(errno));
2413 return map_nt_error_from_unix(errno);
2414 }
2415
2416 if (flags & (O_RDONLY|O_RDWR)) {
2417 /*
2418 * Applying fcntl read locks requires an fd opened for
2419 * reading. This means we won't be applying locks for
2420 * files openend write-only, but what can we do...
2421 */
2422 have_read = true;
2423 }
2424
2425 /*
2426 * Check read access and deny read mode
2427 */
2428 if ((access_mask & FILE_READ_DATA) || (deny_mode & DENY_READ)) {
2429 /* Check access */
2430 open_for_reading = test_netatalk_lock(
2431 fsp, access_to_netatalk_brl(fork_type, FILE_READ_DATA));
2432
2433 deny_read = test_netatalk_lock(
2434 fsp, denymode_to_netatalk_brl(fork_type, DENY_READ));
2435
2436 DEBUG(10, ("read: %s, deny_write: %s\n",
2437 open_for_reading == true ? "yes" : "no",
2438 deny_read == true ? "yes" : "no"));
2439
2440 if (((access_mask & FILE_READ_DATA) && deny_read)
2441 || ((deny_mode & DENY_READ) && open_for_reading)) {
2442 return NT_STATUS_SHARING_VIOLATION;
2443 }
2444
2445 /* Set locks */
2446 if ((access_mask & FILE_READ_DATA) && have_read) {
2447 off = access_to_netatalk_brl(fork_type, FILE_READ_DATA);
2448 br_lck = do_lock(
2449 handle->conn->sconn->msg_ctx, fsp,
2450 fsp->op->global->open_persistent_id, 1, off,
2451 READ_LOCK, POSIX_LOCK, false,
2452 &status, NULL);
2453
2454 if (!NT_STATUS_IS_OK(status)) {
2455 return status;
2456 }
2457 TALLOC_FREE(br_lck);
2458 }
2459
2460 if ((deny_mode & DENY_READ) && have_read) {
2461 off = denymode_to_netatalk_brl(fork_type, DENY_READ);
2462 br_lck = do_lock(
2463 handle->conn->sconn->msg_ctx, fsp,
2464 fsp->op->global->open_persistent_id, 1, off,
2465 READ_LOCK, POSIX_LOCK, false,
2466 &status, NULL);
2467
2468 if (!NT_STATUS_IS_OK(status)) {
2469 return status;
2470 }
2471 TALLOC_FREE(br_lck);
2472 }
2473 }
2474
2475 /*
2476 * Check write access and deny write mode
2477 */
2478 if ((access_mask & FILE_WRITE_DATA) || (deny_mode & DENY_WRITE)) {
2479 /* Check access */
2480 open_for_writing = test_netatalk_lock(
2481 fsp, access_to_netatalk_brl(fork_type, FILE_WRITE_DATA));
2482
2483 deny_write = test_netatalk_lock(
2484 fsp, denymode_to_netatalk_brl(fork_type, DENY_WRITE));
2485
2486 DEBUG(10, ("write: %s, deny_write: %s\n",
2487 open_for_writing == true ? "yes" : "no",
2488 deny_write == true ? "yes" : "no"));
2489
2490 if (((access_mask & FILE_WRITE_DATA) && deny_write)
2491 || ((deny_mode & DENY_WRITE) && open_for_writing)) {
2492 return NT_STATUS_SHARING_VIOLATION;
2493 }
2494
2495 /* Set locks */
2496 if ((access_mask & FILE_WRITE_DATA) && have_read) {
2497 off = access_to_netatalk_brl(fork_type, FILE_WRITE_DATA);
2498 br_lck = do_lock(
2499 handle->conn->sconn->msg_ctx, fsp,
2500 fsp->op->global->open_persistent_id, 1, off,
2501 READ_LOCK, POSIX_LOCK, false,
2502 &status, NULL);
2503
2504 if (!NT_STATUS_IS_OK(status)) {
2505 return status;
2506 }
2507 TALLOC_FREE(br_lck);
2508
2509 }
2510 if ((deny_mode & DENY_WRITE) && have_read) {
2511 off = denymode_to_netatalk_brl(fork_type, DENY_WRITE);
2512 br_lck = do_lock(
2513 handle->conn->sconn->msg_ctx, fsp,
2514 fsp->op->global->open_persistent_id, 1, off,
2515 READ_LOCK, POSIX_LOCK, false,
2516 &status, NULL);
2517
2518 if (!NT_STATUS_IS_OK(status)) {
2519 return status;
2520 }
2521 TALLOC_FREE(br_lck);
2522 }
2523 }
2524
2525 TALLOC_FREE(br_lck);
2526
2527 return status;
2528 }
2529
2530 static NTSTATUS check_aapl(vfs_handle_struct *handle,
2531 struct smb_request *req,
2532 const struct smb2_create_blobs *in_context_blobs,
2533 struct smb2_create_blobs *out_context_blobs)
2534 {
2535 struct fruit_config_data *config;
2536 NTSTATUS status;
2537 struct smb2_create_blob *aapl = NULL;
2538 uint32_t cmd;
2539 bool ok;
2540 uint8_t p[16];
2541 DATA_BLOB blob = data_blob_talloc(req, NULL, 0);
2542 uint64_t req_bitmap, client_caps;
2543 uint64_t server_caps = SMB2_CRTCTX_AAPL_UNIX_BASED;
2544 smb_ucs2_t *model;
2545 size_t modellen;
2546
2547 SMB_VFS_HANDLE_GET_DATA(handle, config, struct fruit_config_data,
2548 return NT_STATUS_UNSUCCESSFUL);
2549
2550 if (!config->use_aapl
2551 || in_context_blobs == NULL
2552 || out_context_blobs == NULL) {
2553 return NT_STATUS_OK;
2554 }
2555
2556 aapl = smb2_create_blob_find(in_context_blobs,
2557 SMB2_CREATE_TAG_AAPL);
2558 if (aapl == NULL) {
2559 return NT_STATUS_OK;
2560 }
2561
2562 if (aapl->data.length != 24) {
2563 DEBUG(1, ("unexpected AAPL ctxt length: %ju\n",
2564 (uintmax_t)aapl->data.length));
2565 return NT_STATUS_INVALID_PARAMETER;
2566 }
2567
2568 cmd = IVAL(aapl->data.data, 0);
2569 if (cmd != SMB2_CRTCTX_AAPL_SERVER_QUERY) {
2570 DEBUG(1, ("unsupported AAPL cmd: %d\n", cmd));
2571 return NT_STATUS_INVALID_PARAMETER;
2572 }
2573
2574 req_bitmap = BVAL(aapl->data.data, 8);
2575 client_caps = BVAL(aapl->data.data, 16);
2576
2577 SIVAL(p, 0, SMB2_CRTCTX_AAPL_SERVER_QUERY);
2578 SIVAL(p, 4, 0);
2579 SBVAL(p, 8, req_bitmap);
2580 ok = data_blob_append(req, &blob, p, 16);
2581 if (!ok) {
2582 return NT_STATUS_UNSUCCESSFUL;
2583 }
2584
2585 if (req_bitmap & SMB2_CRTCTX_AAPL_SERVER_CAPS) {
2586 if ((client_caps & SMB2_CRTCTX_AAPL_SUPPORTS_READ_DIR_ATTR) &&
2587 (handle->conn->tcon->compat->fs_capabilities & FILE_NAMED_STREAMS)) {
2588 server_caps |= SMB2_CRTCTX_AAPL_SUPPORTS_READ_DIR_ATTR;
2589 config->readdir_attr_enabled = true;
2590 }
2591
2592 if (config->use_copyfile) {
2593 server_caps |= SMB2_CRTCTX_AAPL_SUPPORTS_OSX_COPYFILE;
2594 config->copyfile_enabled = true;
2595 }
2596
2597 /*
2598 * The client doesn't set the flag, so we can't check
2599 * for it and just set it unconditionally
2600 */
2601 if (config->unix_info_enabled) {
2602 server_caps |= SMB2_CRTCTX_AAPL_SUPPORTS_NFS_ACE;
2603 }
2604
2605 SBVAL(p, 0, server_caps);
2606 ok = data_blob_append(req, &blob, p, 8);
2607 if (!ok) {
2608 return NT_STATUS_UNSUCCESSFUL;
2609 }
2610 }
2611
2612 if (req_bitmap & SMB2_CRTCTX_AAPL_VOLUME_CAPS) {
2613 int val = lp_case_sensitive(SNUM(handle->conn->tcon->compat));
2614 uint64_t caps = 0;
2615
2616 switch (val) {
2617 case Auto:
2618 break;
2619
2620 case True:
2621 caps |= SMB2_CRTCTX_AAPL_CASE_SENSITIVE;
2622 break;
2623
2624 default:
2625 break;
2626 }
2627
2628 if (config->time_machine) {
2629 caps |= SMB2_CRTCTX_AAPL_FULL_SYNC;
2630 }
2631
2632 SBVAL(p, 0, caps);
2633
2634 ok = data_blob_append(req, &blob, p, 8);
2635 if (!ok) {
2636 return NT_STATUS_UNSUCCESSFUL;
2637 }
2638 }
2639
2640 if (req_bitmap & SMB2_CRTCTX_AAPL_MODEL_INFO) {
2641 ok = convert_string_talloc(req,
2642 CH_UNIX, CH_UTF16LE,
2643 config->model, strlen(config->model),
2644 &model, &modellen);
2645 if (!ok) {
2646 return NT_STATUS_UNSUCCESSFUL;
2647 }
2648
2649 SIVAL(p, 0, 0);
2650 SIVAL(p + 4, 0, modellen);
2651 ok = data_blob_append(req, &blob, p, 8);
2652 if (!ok) {
2653 talloc_free(model);
2654 return NT_STATUS_UNSUCCESSFUL;
2655 }
2656
2657 ok = data_blob_append(req, &blob, model, modellen);
2658 talloc_free(model);
2659 if (!ok) {
2660 return NT_STATUS_UNSUCCESSFUL;
2661 }
2662 }
2663
2664 status = smb2_create_blob_add(out_context_blobs,
2665 out_context_blobs,
2666 SMB2_CREATE_TAG_AAPL,
2667 blob);
2668 if (NT_STATUS_IS_OK(status)) {
2669 global_fruit_config.nego_aapl = true;
2670 if (config->aapl_zero_file_id) {
2671 aapl_force_zero_file_id(handle->conn->sconn);
2672 }
2673 }
2674
2675 return status;
2676 }
2677
2678 static bool readdir_attr_meta_finderi_stream(
2679 struct vfs_handle_struct *handle,
2680 const struct smb_filename *smb_fname,
2681 AfpInfo *ai)
2682 {
2683 struct smb_filename *stream_name = NULL;
2684 files_struct *fsp = NULL;
2685 ssize_t nread;
2686 NTSTATUS status;
2687 int ret;
2688 bool ok;
2689 uint8_t buf[AFP_INFO_SIZE];
2690
2691 stream_name = synthetic_smb_fname(talloc_tos(),
2692 smb_fname->base_name,
2693 AFPINFO_STREAM_NAME,
2694 NULL, smb_fname->flags);
2695 if (stream_name == NULL) {
2696 return false;
2697 }
2698
2699 ret = SMB_VFS_STAT(handle->conn, stream_name);
2700 if (ret != 0) {
2701 return false;
2702 }
2703
2704 status = SMB_VFS_CREATE_FILE(
2705 handle->conn, /* conn */
2706 NULL, /* req */
2707 0, /* root_dir_fid */
2708 stream_name, /* fname */
2709 FILE_READ_DATA, /* access_mask */
2710 (FILE_SHARE_READ | FILE_SHARE_WRITE | /* share_access */
2711 FILE_SHARE_DELETE),
2712 FILE_OPEN, /* create_disposition*/
2713 0, /* create_options */
2714 0, /* file_attributes */
2715 INTERNAL_OPEN_ONLY, /* oplock_request */
2716 NULL, /* lease */
2717 0, /* allocation_size */
2718 0, /* private_flags */
2719 NULL, /* sd */
2720 NULL, /* ea_list */
2721 &fsp, /* result */
2722 NULL, /* pinfo */
2723 NULL, NULL); /* create context */
2724
2725 TALLOC_FREE(stream_name);
2726
2727 if (!NT_STATUS_IS_OK(status)) {
2728 return false;
2729 }
2730
2731 nread = SMB_VFS_PREAD(fsp, &buf[0], AFP_INFO_SIZE, 0);
2732 if (nread != AFP_INFO_SIZE) {
2733 DBG_ERR("short read [%s] [%zd/%d]\n",
2734 smb_fname_str_dbg(stream_name), nread, AFP_INFO_SIZE);
2735 ok = false;
2736 goto fail;
2737 }
2738
2739 memcpy(&ai->afpi_FinderInfo[0], &buf[AFP_OFF_FinderInfo],
2740 AFP_FinderSize);
2741
2742 ok = true;
2743
2744 fail:
2745 if (fsp != NULL) {
2746 close_file(NULL, fsp, NORMAL_CLOSE);
2747 }
2748
2749 return ok;
2750 }
2751
2752 static bool readdir_attr_meta_finderi_netatalk(
2753 struct vfs_handle_struct *handle,
2754 const struct smb_filename *smb_fname,
2755 AfpInfo *ai)
2756 {
2757 struct adouble *ad = NULL;
2758 char *p = NULL;
2759
2760 ad = ad_get(talloc_tos(), handle, smb_fname, ADOUBLE_META);
2761 if (ad == NULL) {
2762 return false;
2763 }
2764
2765 p = ad_get_entry(ad, ADEID_FINDERI);
2766 if (p == NULL) {
2767 DBG_ERR("No ADEID_FINDERI for [%s]\n", smb_fname->base_name);
2768 TALLOC_FREE(ad);
2769 return false;
2770 }
2771
2772 memcpy(&ai->afpi_FinderInfo[0], p, AFP_FinderSize);
2773 TALLOC_FREE(ad);
2774 return true;
2775 }
2776
2777 static bool readdir_attr_meta_finderi(struct vfs_handle_struct *handle,
2778 const struct smb_filename *smb_fname,
2779 struct readdir_attr_data *attr_data)
2780 {
2781 struct fruit_config_data *config = NULL;
2782 uint32_t date_added;
2783 AfpInfo ai = {0};
2784 bool ok;
2785
2786 SMB_VFS_HANDLE_GET_DATA(handle, config,
2787 struct fruit_config_data,
2788 return false);
2789
2790 switch (config->meta) {
2791 case FRUIT_META_NETATALK:
2792 ok = readdir_attr_meta_finderi_netatalk(
2793 handle, smb_fname, &ai);
2794 break;
2795
2796 case FRUIT_META_STREAM:
2797 ok = readdir_attr_meta_finderi_stream(
2798 handle, smb_fname, &ai);
2799 break;
2800
2801 default:
2802 DBG_ERR("Unexpected meta config [%d]\n", config->meta);
2803 return false;
2804 }
2805
2806 if (!ok) {
2807 /* Don't bother with errors, it's likely ENOENT */
2808 return true;
2809 }
2810
2811 if (S_ISREG(smb_fname->st.st_ex_mode)) {
2812 /* finder_type */
2813 memcpy(&attr_data->attr_data.aapl.finder_info[0],
2814 &ai.afpi_FinderInfo[0], 4);
2815
2816 /* finder_creator */
2817 memcpy(&attr_data->attr_data.aapl.finder_info[0] + 4,
2818 &ai.afpi_FinderInfo[4], 4);
2819 }
2820
2821 /* finder_flags */
2822 memcpy(&attr_data->attr_data.aapl.finder_info[0] + 8,
2823 &ai.afpi_FinderInfo[8], 2);
2824
2825 /* finder_ext_flags */
2826 memcpy(&attr_data->attr_data.aapl.finder_info[0] + 10,
2827 &ai.afpi_FinderInfo[24], 2);
2828
2829 /* creation date */
2830 date_added = convert_time_t_to_uint32_t(
2831 smb_fname->st.st_ex_btime.tv_sec - AD_DATE_DELTA);
2832
2833 RSIVAL(&attr_data->attr_data.aapl.finder_info[0], 12, date_added);
2834
2835 return true;
2836 }
2837
2838 static uint64_t readdir_attr_rfork_size_adouble(
2839 struct vfs_handle_struct *handle,
2840 const struct smb_filename *smb_fname)
2841 {
2842 struct adouble *ad = NULL;
2843 uint64_t rfork_size;
2844
2845 ad = ad_get(talloc_tos(), handle, smb_fname,
2846 ADOUBLE_RSRC);
2847 if (ad == NULL) {
2848 return 0;
2849 }
2850
2851 rfork_size = ad_getentrylen(ad, ADEID_RFORK);
2852 TALLOC_FREE(ad);
2853
2854 return rfork_size;
2855 }
2856
2857 static uint64_t readdir_attr_rfork_size_stream(
2858 struct vfs_handle_struct *handle,
2859 const struct smb_filename *smb_fname)
2860 {
2861 struct smb_filename *stream_name = NULL;
2862 int ret;
2863 uint64_t rfork_size;
2864
2865 stream_name = synthetic_smb_fname(talloc_tos(),
2866 smb_fname->base_name,
2867 AFPRESOURCE_STREAM_NAME,
2868 NULL, 0);
2869 if (stream_name == NULL) {
2870 return 0;
2871 }
2872
2873 ret = SMB_VFS_STAT(handle->conn, stream_name);
2874 if (ret != 0) {
2875 TALLOC_FREE(stream_name);
2876 return 0;
2877 }
2878
2879 rfork_size = stream_name->st.st_ex_size;
2880 TALLOC_FREE(stream_name);
2881
2882 return rfork_size;
2883 }
2884
2885 static uint64_t readdir_attr_rfork_size(struct vfs_handle_struct *handle,
2886 const struct smb_filename *smb_fname)
2887 {
2888 struct fruit_config_data *config = NULL;
2889 uint64_t rfork_size;
2890
2891 SMB_VFS_HANDLE_GET_DATA(handle, config,
2892 struct fruit_config_data,
2893 return 0);
2894
2895 switch (config->rsrc) {
2896 case FRUIT_RSRC_ADFILE:
2897 case FRUIT_RSRC_XATTR:
2898 rfork_size = readdir_attr_rfork_size_adouble(handle,
2899 smb_fname);
2900 break;
2901
2902 case FRUIT_META_STREAM:
2903 rfork_size = readdir_attr_rfork_size_stream(handle,
2904 smb_fname);
2905 break;
2906
2907 default:
2908 DBG_ERR("Unexpected rsrc config [%d]\n", config->rsrc);
2909 rfork_size = 0;
2910 break;
2911 }
2912
2913 return rfork_size;
2914 }
2915
2916 static NTSTATUS readdir_attr_macmeta(struct vfs_handle_struct *handle,
2917 const struct smb_filename *smb_fname,
2918 struct readdir_attr_data *attr_data)
2919 {
2920 NTSTATUS status = NT_STATUS_OK;
2921 struct fruit_config_data *config = NULL;
2922 bool ok;
2923
2924 SMB_VFS_HANDLE_GET_DATA(handle, config,
2925 struct fruit_config_data,
2926 return NT_STATUS_UNSUCCESSFUL);
2927
2928
2929 /* Ensure we return a default value in the creation_date field */
2930 RSIVAL(&attr_data->attr_data.aapl.finder_info, 12, AD_DATE_START);
2931
2932 /*
2933 * Resource fork length
2934 */
2935
2936 if (config->readdir_attr_rsize) {
2937 uint64_t rfork_size;
2938
2939 rfork_size = readdir_attr_rfork_size(handle, smb_fname);
2940 attr_data->attr_data.aapl.rfork_size = rfork_size;
2941 }
2942
2943 /*
2944 * FinderInfo
2945 */
2946
2947 if (config->readdir_attr_finder_info) {
2948 ok = readdir_attr_meta_finderi(handle, smb_fname, attr_data);
2949 if (!ok) {
2950 status = NT_STATUS_INTERNAL_ERROR;
2951 }
2952 }
2953
2954 return status;
2955 }
2956
2957 static NTSTATUS remove_virtual_nfs_aces(struct security_descriptor *psd)
2958 {
2959 NTSTATUS status;
2960 uint32_t i;
2961
2962 if (psd->dacl == NULL) {
2963 return NT_STATUS_OK;
2964 }
2965
2966 for (i = 0; i < psd->dacl->num_aces; i++) {
2967 /* MS NFS style mode/uid/gid */
2968 int cmp = dom_sid_compare_domain(
2969 &global_sid_Unix_NFS,
2970 &psd->dacl->aces[i].trustee);
2971 if (cmp != 0) {
2972 /* Normal ACE entry. */
2973 continue;
2974 }
2975
2976 /*
2977 * security_descriptor_dacl_del()
2978 * *must* return NT_STATUS_OK as we know
2979 * we have something to remove.
2980 */
2981
2982 status = security_descriptor_dacl_del(psd,
2983 &psd->dacl->aces[i].trustee);
2984 if (!NT_STATUS_IS_OK(status)) {
2985 DBG_WARNING("failed to remove MS NFS style ACE: %s\n",
2986 nt_errstr(status));
2987 return status;
2988 }
2989
2990 /*
2991 * security_descriptor_dacl_del() may delete more
2992 * then one entry subsequent to this one if the
2993 * SID matches, but we only need to ensure that
2994 * we stay looking at the same element in the array.
2995 */
2996 i--;
2997 }
2998 return NT_STATUS_OK;
2999 }
3000
3001 /* Search MS NFS style ACE with UNIX mode */
3002 static NTSTATUS check_ms_nfs(vfs_handle_struct *handle,
3003 files_struct *fsp,
3004 struct security_descriptor *psd,
3005 mode_t *pmode,
3006 bool *pdo_chmod)
3007 {
3008 uint32_t i;
3009 struct fruit_config_data *config = NULL;
3010
3011 *pdo_chmod = false;
3012
3013 SMB_VFS_HANDLE_GET_DATA(handle, config,
3014 struct fruit_config_data,
3015 return NT_STATUS_UNSUCCESSFUL);
3016
3017 if (!global_fruit_config.nego_aapl) {
3018 return NT_STATUS_OK;
3019 }
3020 if (psd->dacl == NULL || !config->unix_info_enabled) {
3021 return NT_STATUS_OK;
3022 }
3023
3024 for (i = 0; i < psd->dacl->num_aces; i++) {
3025 if (dom_sid_compare_domain(
3026 &global_sid_Unix_NFS_Mode,
3027 &psd->dacl->aces[i].trustee) == 0) {
3028 *pmode = (mode_t)psd->dacl->aces[i].trustee.sub_auths[2];
3029 *pmode &= (S_IRWXU | S_IRWXG | S_IRWXO);
3030 *pdo_chmod = true;
3031
3032 DEBUG(10, ("MS NFS chmod request %s, %04o\n",
3033 fsp_str_dbg(fsp), (unsigned)(*pmode)));
3034 break;
3035 }
3036 }
3037
3038 /*
3039 * Remove any incoming virtual ACE entries generated by
3040 * fruit_fget_nt_acl().
3041 */
3042
3043 return remove_virtual_nfs_aces(psd);
3044 }
3045
3046 /****************************************************************************
3047 * VFS ops
3048 ****************************************************************************/
3049
3050 static int fruit_connect(vfs_handle_struct *handle,
3051 const char *service,
3052 const char *user)
3053 {
3054 int rc;
3055 char *list = NULL, *newlist = NULL;
3056 struct fruit_config_data *config;
3057
3058 DEBUG(10, ("fruit_connect\n"));
3059
3060 rc = SMB_VFS_NEXT_CONNECT(handle, service, user);
3061 if (rc < 0) {
3062 return rc;
3063 }
3064
3065 rc = init_fruit_config(handle);
3066 if (rc != 0) {
3067 return rc;
3068 }
3069
3070 SMB_VFS_HANDLE_GET_DATA(handle, config,
3071 struct fruit_config_data, return -1);
3072
3073 if (config->veto_appledouble) {
3074 list = lp_veto_files(talloc_tos(), SNUM(handle->conn));
3075
3076 if (list) {
3077 if (strstr(list, "/" ADOUBLE_NAME_PREFIX "*/") == NULL) {
3078 newlist = talloc_asprintf(
3079 list,
3080 "%s/" ADOUBLE_NAME_PREFIX "*/",
3081 list);
3082 lp_do_parameter(SNUM(handle->conn),
3083 "veto files",
3084 newlist);
3085 }
3086 } else {
3087 lp_do_parameter(SNUM(handle->conn),
3088 "veto files",
3089 "/" ADOUBLE_NAME_PREFIX "*/");
3090 }
3091
3092 TALLOC_FREE(list);
3093 }
3094
3095 if (config->encoding == FRUIT_ENC_NATIVE) {
3096 lp_do_parameter(SNUM(handle->conn),
3097 "catia:mappings",
3098 fruit_catia_maps);
3099 }
3100
3101 if (config->time_machine) {
3102 DBG_NOTICE("Enabling durable handles for Time Machine "
3103 "support on [%s]\n", service);
3104 lp_do_parameter(SNUM(handle->conn), "durable handles", "yes");
3105 lp_do_parameter(SNUM(handle->conn), "kernel oplocks", "no");
3106 lp_do_parameter(SNUM(handle->conn), "kernel share modes", "no");
3107 if (!lp_strict_sync(SNUM(handle->conn))) {
3108 DBG_WARNING("Time Machine without strict sync is not "
3109 "recommended!\n");
3110 }
3111 lp_do_parameter(SNUM(handle->conn), "posix locking", "no");
3112 }
3113
3114 return rc;
3115 }
3116
3117 static int fruit_open_meta_stream(vfs_handle_struct *handle,
3118 struct smb_filename *smb_fname,
3119 files_struct *fsp,
3120 int flags,
3121 mode_t mode)
3122 {
3123 AfpInfo *ai = NULL;
3124 char afpinfo_buf[AFP_INFO_SIZE];
3125 ssize_t len, written;
3126 int hostfd = -1;
3127 int rc = -1;
3128
3129 hostfd = SMB_VFS_NEXT_OPEN(handle, smb_fname, fsp, flags, mode);
3130 if (hostfd == -1) {
3131 return -1;
3132 }
3133
3134 if (!(flags & (O_CREAT | O_TRUNC))) {
3135 return hostfd;
3136 }
3137
3138 ai = afpinfo_new(talloc_tos());
3139 if (ai == NULL) {
3140 rc = -1;
3141 goto fail;
3142 }
3143
3144 len = afpinfo_pack(ai, afpinfo_buf);
3145 if (len != AFP_INFO_SIZE) {
3146 rc = -1;
3147 goto fail;
3148 }
3149
3150 /* Set fd, needed in SMB_VFS_NEXT_PWRITE() */
3151 fsp->fh->fd = hostfd;
3152
3153 written = SMB_VFS_NEXT_PWRITE(handle, fsp, afpinfo_buf,
3154 AFP_INFO_SIZE, 0);
3155 fsp->fh->fd = -1;
3156 if (written != AFP_INFO_SIZE) {
3157 DBG_ERR("bad write [%zd/%d]\n", written, AFP_INFO_SIZE);
3158 rc = -1;
3159 goto fail;
3160 }
3161
3162 rc = 0;
3163
3164 fail:
3165 DBG_DEBUG("rc=%d, fd=%d\n", rc, hostfd);
3166
3167 if (rc != 0) {
3168 int saved_errno = errno;
3169 if (hostfd >= 0) {
3170 fsp->fh->fd = hostfd;
3171 SMB_VFS_NEXT_CLOSE(handle, fsp);
3172 }
3173 hostfd = -1;
3174 errno = saved_errno;
3175 }
3176 return hostfd;
3177 }
3178
3179 static int fruit_open_meta_netatalk(vfs_handle_struct *handle,
3180 struct smb_filename *smb_fname,
3181 files_struct *fsp,
3182 int flags,
3183 mode_t mode)
3184 {
3185 int rc;
3186 int fakefd = -1;
3187 struct adouble *ad = NULL;
3188 int fds[2];
3189
3190 DBG_DEBUG("Path [%s]\n", smb_fname_str_dbg(smb_fname));
3191
3192 /*
3193 * Return a valid fd, but ensure any attempt to use it returns an error
3194 * (EPIPE). All operations on the smb_fname or the fsp will use path
3195 * based syscalls.
3196 */
3197 rc = pipe(fds);
3198 if (rc != 0) {
3199 goto exit;
3200 }
3201 fakefd = fds[0];
3202 close(fds[1]);
3203
3204 if (flags & (O_CREAT | O_TRUNC)) {
3205 /*
3206 * The attribute does not exist or needs to be truncated,
3207 * create an AppleDouble EA
3208 */
3209 ad = ad_init(fsp, handle, ADOUBLE_META);
3210 if (ad == NULL) {
3211 rc = -1;
3212 goto exit;
3213 }
3214
3215 rc = ad_set(ad, fsp->fsp_name);
3216 if (rc != 0) {
3217 rc = -1;
3218 goto exit;
3219 }
3220
3221 TALLOC_FREE(ad);
3222 }
3223
3224 exit:
3225 DEBUG(10, ("fruit_open meta rc=%d, fd=%d\n", rc, fakefd));
3226 if (rc != 0) {
3227 int saved_errno = errno;
3228 if (fakefd >= 0) {
3229 close(fakefd);
3230 }
3231 fakefd = -1;
3232 errno = saved_errno;
3233 }
3234 return fakefd;
3235 }
3236
3237 static int fruit_open_meta(vfs_handle_struct *handle,
3238 struct smb_filename *smb_fname,
3239 files_struct *fsp, int flags, mode_t mode)
3240 {
3241 int fd;
3242 struct fruit_config_data *config = NULL;
3243 struct fio *fio = NULL;
3244
3245 DBG_DEBUG("path [%s]\n", smb_fname_str_dbg(smb_fname));
3246
3247 SMB_VFS_HANDLE_GET_DATA(handle, config,
3248 struct fruit_config_data, return -1);
3249
3250 switch (config->meta) {
3251 case FRUIT_META_STREAM:
3252 fd = fruit_open_meta_stream(handle, smb_fname,
3253 fsp, flags, mode);
3254 break;
3255
3256 case FRUIT_META_NETATALK:
3257 fd = fruit_open_meta_netatalk(handle, smb_fname,
3258 fsp, flags, mode);
3259 break;
3260
3261 default:
3262 DBG_ERR("Unexpected meta config [%d]\n", config->meta);
3263 return -1;
3264 }
3265
3266 DBG_DEBUG("path [%s] fd [%d]\n", smb_fname_str_dbg(smb_fname), fd);
3267
3268 if (fd == -1) {
3269 return -1;
3270 }
3271
3272 fio = VFS_ADD_FSP_EXTENSION(handle, fsp, struct fio, NULL);
3273 fio->type = ADOUBLE_META;
3274 fio->config = config;
3275
3276 return fd;
3277 }
3278
3279 static int fruit_open_rsrc_adouble(vfs_handle_struct *handle,
3280 struct smb_filename *smb_fname,
3281 files_struct *fsp,
3282 int flags,
3283 mode_t mode)
3284 {
3285 int rc = 0;
3286 struct adouble *ad = NULL;
3287 struct smb_filename *smb_fname_base = NULL;
3288 struct fruit_config_data *config = NULL;
3289 int hostfd = -1;
3290
3291 SMB_VFS_HANDLE_GET_DATA(handle, config,
3292 struct fruit_config_data, return -1);
3293
3294 if ((!(flags & O_CREAT)) &&
3295 S_ISDIR(fsp->base_fsp->fsp_name->st.st_ex_mode))
3296 {
3297 /* sorry, but directories don't habe a resource fork */
3298 rc = -1;
3299 goto exit;
3300 }
3301
3302 rc = adouble_path(talloc_tos(), smb_fname, &smb_fname_base);
3303 if (rc != 0) {
3304 goto exit;
3305 }
3306
3307 /* Sanitize flags */
3308 if (flags & O_WRONLY) {
3309 /* We always need read access for the metadata header too */
3310 flags &= ~O_WRONLY;
3311 flags |= O_RDWR;
3312 }
3313
3314 hostfd = SMB_VFS_NEXT_OPEN(handle, smb_fname_base, fsp,
3315 flags, mode);
3316 if (hostfd == -1) {
3317 rc = -1;
3318 goto exit;
3319 }
3320
3321 if (flags & (O_CREAT | O_TRUNC)) {
3322 ad = ad_init(fsp, handle, ADOUBLE_RSRC);
3323 if (ad == NULL) {
3324 rc = -1;
3325 goto exit;
3326 }
3327
3328 fsp->fh->fd = hostfd;
3329
3330 rc = ad_fset(ad, fsp);
3331 fsp->fh->fd = -1;
3332 if (rc != 0) {
3333 rc = -1;
3334 goto exit;
3335 }
3336 TALLOC_FREE(ad);
3337 }
3338
3339 exit:
3340
3341 TALLOC_FREE(smb_fname_base);
3342
3343 DEBUG(10, ("fruit_open resource fork: rc=%d, fd=%d\n", rc, hostfd));
3344 if (rc != 0) {
3345 int saved_errno = errno;
3346 if (hostfd >= 0) {
3347 /*
3348 * BUGBUGBUG -- we would need to call
3349 * fd_close_posix here, but we don't have a
3350 * full fsp yet
3351 */
3352 fsp->fh->fd = hostfd;
3353 SMB_VFS_CLOSE(fsp);
3354 }
3355 hostfd = -1;
3356 errno = saved_errno;
3357 }
3358 return hostfd;
3359 }
3360
3361 static int fruit_open_rsrc_xattr(vfs_handle_struct *handle,
3362 struct smb_filename *smb_fname,
3363 files_struct *fsp,
3364 int flags,
3365 mode_t mode)
3366 {
3367 #ifdef HAVE_ATTROPEN
3368 int fd = -1;
3369
3370 fd = attropen(smb_fname->base_name,
3371 AFPRESOURCE_EA_NETATALK,
3372 flags,
3373 mode);
3374 if (fd == -1) {
3375 return -1;
3376 }
3377
3378 return fd;
3379
3380 #else
3381 errno = ENOSYS;
3382 return -1;
3383 #endif
3384 }
3385
3386 static int fruit_open_rsrc(vfs_handle_struct *handle,
3387 struct smb_filename *smb_fname,
3388 files_struct *fsp, int flags, mode_t mode)
3389 {
3390 int fd;
3391 struct fruit_config_data *config = NULL;
3392 struct fio *fio = NULL;
3393
3394 DBG_DEBUG("Path [%s]\n", smb_fname_str_dbg(smb_fname));
3395
3396 SMB_VFS_HANDLE_GET_DATA(handle, config,
3397 struct fruit_config_data, return -1);
3398
3399 if (((flags & O_ACCMODE) == O_RDONLY)
3400 && (flags & O_CREAT)
3401 && !VALID_STAT(fsp->fsp_name->st))
3402 {
3403 /*
3404 * This means the stream doesn't exist. macOS SMB server fails
3405 * this with NT_STATUS_OBJECT_NAME_NOT_FOUND, so must we. Cf bug
3406 * 12565 and the test for this combination in
3407 * test_rfork_create().
3408 */
3409 errno = ENOENT;
3410 return -1;
3411 }
3412
3413 switch (config->rsrc) {
3414 case FRUIT_RSRC_STREAM:
3415 fd = SMB_VFS_NEXT_OPEN(handle, smb_fname, fsp, flags, mode);
3416 break;
3417
3418 case FRUIT_RSRC_ADFILE:
3419 fd = fruit_open_rsrc_adouble(handle, smb_fname,
3420 fsp, flags, mode);
3421 break;
3422
3423 case FRUIT_RSRC_XATTR:
3424 fd = fruit_open_rsrc_xattr(handle, smb_fname,
3425 fsp, flags, mode);
3426 break;
3427
3428 default:
3429 DBG_ERR("Unexpected rsrc config [%d]\n", config->rsrc);
3430 return -1;
3431 }
3432
3433 DBG_DEBUG("Path [%s] fd [%d]\n", smb_fname_str_dbg(smb_fname), fd);
3434
3435 if (fd == -1) {
3436 return -1;
3437 }
3438
3439 fio = VFS_ADD_FSP_EXTENSION(handle, fsp, struct fio, NULL);
3440 fio->type = ADOUBLE_RSRC;
3441 fio->config = config;
3442
3443 return fd;
3444 }
3445
3446 static int fruit_open(vfs_handle_struct *handle,
3447 struct smb_filename *smb_fname,
3448 files_struct *fsp, int flags, mode_t mode)
3449 {
3450 int fd;
3451
3452 DBG_DEBUG("Path [%s]\n", smb_fname_str_dbg(smb_fname));
3453
3454 if (!is_ntfs_stream_smb_fname(smb_fname)) {
3455 return SMB_VFS_NEXT_OPEN(handle, smb_fname, fsp, flags, mode);
3456 }
3457
3458 if (is_afpinfo_stream(smb_fname)) {
3459 fd = fruit_open_meta(handle, smb_fname, fsp, flags, mode);
3460 } else if (is_afpresource_stream(smb_fname)) {
3461 fd = fruit_open_rsrc(handle, smb_fname, fsp, flags, mode);
3462 } else {
3463 fd = SMB_VFS_NEXT_OPEN(handle, smb_fname, fsp, flags, mode);
3464 }
3465
3466 DBG_DEBUG("Path [%s] fd [%d]\n", smb_fname_str_dbg(smb_fname), fd);
3467
3468 return fd;
3469 }
3470
3471 static int fruit_rename(struct vfs_handle_struct *handle,
3472 const struct smb_filename *smb_fname_src,
3473 const struct smb_filename *smb_fname_dst)
3474 {
3475 int rc = -1;
3476 struct fruit_config_data *config = NULL;
3477 struct smb_filename *src_adp_smb_fname = NULL;
3478 struct smb_filename *dst_adp_smb_fname = NULL;
3479
3480 SMB_VFS_HANDLE_GET_DATA(handle, config,
3481 struct fruit_config_data, return -1);
3482
3483 if (!VALID_STAT(smb_fname_src->st)) {
3484 DBG_ERR("Need valid stat for [%s]\n",
3485 smb_fname_str_dbg(smb_fname_src));
3486 return -1;
3487 }
3488
3489 rc = SMB_VFS_NEXT_RENAME(handle, smb_fname_src, smb_fname_dst);
3490 if (rc != 0) {
3491 return -1;
3492 }
3493
3494 if ((config->rsrc != FRUIT_RSRC_ADFILE) ||
3495 (!S_ISREG(smb_fname_src->st.st_ex_mode)))
3496 {
3497 return 0;
3498 }
3499
3500 rc = adouble_path(talloc_tos(), smb_fname_src, &src_adp_smb_fname);
3501 if (rc != 0) {
3502 goto done;
3503 }
3504
3505 rc = adouble_path(talloc_tos(), smb_fname_dst, &dst_adp_smb_fname);
3506 if (rc != 0) {
3507 goto done;
3508 }
3509
3510 DBG_DEBUG("%s -> %s\n",
3511 smb_fname_str_dbg(src_adp_smb_fname),
3512 smb_fname_str_dbg(dst_adp_smb_fname));
3513
3514 rc = SMB_VFS_NEXT_RENAME(handle, src_adp_smb_fname, dst_adp_smb_fname);
3515 if (errno == ENOENT) {
3516 rc = 0;
3517 }
3518
3519 done:
3520 TALLOC_FREE(src_adp_smb_fname);
3521 TALLOC_FREE(dst_adp_smb_fname);
3522 return rc;
3523 }
3524
3525 static int fruit_unlink_meta_stream(vfs_handle_struct *handle,
3526 const struct smb_filename *smb_fname)
3527 {
3528 return SMB_VFS_NEXT_UNLINK(handle, smb_fname);
3529 }
3530
3531 static int fruit_unlink_meta_netatalk(vfs_handle_struct *handle,
3532 const struct smb_filename *smb_fname)
3533 {
3534 return SMB_VFS_REMOVEXATTR(handle->conn,
3535 smb_fname,
3536 AFPINFO_EA_NETATALK);
3537 }
3538
3539 static int fruit_unlink_meta(vfs_handle_struct *handle,
3540 const struct smb_filename *smb_fname)
3541 {
3542 struct fruit_config_data *config = NULL;
3543 int rc;
3544
3545 SMB_VFS_HANDLE_GET_DATA(handle, config,
3546 struct fruit_config_data, return -1);
3547
3548 switch (config->meta) {
3549 case FRUIT_META_STREAM:
3550 rc = fruit_unlink_meta_stream(handle, smb_fname);
3551 break;
3552
3553 case FRUIT_META_NETATALK:
3554 rc = fruit_unlink_meta_netatalk(handle, smb_fname);
3555 break;
3556
3557 default:
3558 DBG_ERR("Unsupported meta config [%d]\n", config->meta);
3559 return -1;
3560 }
3561
3562 return rc;
3563 }
3564
3565 static int fruit_unlink_rsrc_stream(vfs_handle_struct *handle,
3566 const struct smb_filename *smb_fname,
3567 bool force_unlink)
3568 {
3569 int ret;
3570
3571 if (!force_unlink) {
3572 struct smb_filename *smb_fname_cp = NULL;
3573 off_t size;
3574
3575 smb_fname_cp = cp_smb_filename(talloc_tos(), smb_fname);
3576 if (smb_fname_cp == NULL) {
3577 return -1;
3578 }
3579
3580 /*
3581 * 0 byte resource fork streams are not listed by
3582 * vfs_streaminfo, as a result stream cleanup/deletion of file
3583 * deletion doesn't remove the resourcefork stream.
3584 */
3585
3586 ret = SMB_VFS_NEXT_STAT(handle, smb_fname_cp);
3587 if (ret != 0) {
3588 TALLOC_FREE(smb_fname_cp);
3589 DBG_ERR("stat [%s] failed [%s]\n",
3590 smb_fname_str_dbg(smb_fname_cp), strerror(errno));
3591 return -1;
3592 }
3593
3594 size = smb_fname_cp->st.st_ex_size;
3595 TALLOC_FREE(smb_fname_cp);
3596
3597 if (size > 0) {
3598 /* OS X ignores resource fork stream delete requests */
3599 return 0;
3600 }
3601 }
3602
3603 ret = SMB_VFS_NEXT_UNLINK(handle, smb_fname);
3604 if ((ret != 0) && (errno == ENOENT) && force_unlink) {
3605 ret = 0;
3606 }
3607
3608 return ret;
3609 }
3610
3611 static int fruit_unlink_rsrc_adouble(vfs_handle_struct *handle,
3612 const struct smb_filename *smb_fname,
3613 bool force_unlink)
3614 {
3615 int rc;
3616 struct adouble *ad = NULL;
3617 struct smb_filename *adp_smb_fname = NULL;
3618
3619 if (!force_unlink) {
3620 ad = ad_get(talloc_tos(), handle, smb_fname,
3621 ADOUBLE_RSRC);
3622 if (ad == NULL) {
3623 errno = ENOENT;
3624 return -1;
3625 }
3626
3627
3628 /*
3629 * 0 byte resource fork streams are not listed by
3630 * vfs_streaminfo, as a result stream cleanup/deletion of file
3631 * deletion doesn't remove the resourcefork stream.
3632 */
3633
3634 if (ad_getentrylen(ad, ADEID_RFORK) > 0) {
3635 /* OS X ignores resource fork stream delete requests */
3636 TALLOC_FREE(ad);
3637 return 0;
3638 }
3639
3640 TALLOC_FREE(ad);
3641 }
3642
3643 rc = adouble_path(talloc_tos(), smb_fname, &adp_smb_fname);
3644 if (rc != 0) {
3645 return -1;
3646 }
3647
3648 rc = SMB_VFS_NEXT_UNLINK(handle, adp_smb_fname);
3649 TALLOC_FREE(adp_smb_fname);
3650 if ((rc != 0) && (errno == ENOENT) && force_unlink) {
3651 rc = 0;
3652 }
3653
3654 return rc;
3655 }
3656
3657 static int fruit_unlink_rsrc_xattr(vfs_handle_struct *handle,
3658 const struct smb_filename *smb_fname,
3659 bool force_unlink)
3660 {
3661 /*
3662 * OS X ignores resource fork stream delete requests, so nothing to do
3663 * here. Removing the file will remove the xattr anyway, so we don't
3664 * have to take care of removing 0 byte resource forks that could be
3665 * left behind.
3666 */
3667 return 0;
3668 }
3669
3670 static int fruit_unlink_rsrc(vfs_handle_struct *handle,
3671 const struct smb_filename *smb_fname,
3672 bool force_unlink)
3673 {
3674 struct fruit_config_data *config = NULL;
3675 int rc;
3676
3677 SMB_VFS_HANDLE_GET_DATA(handle, config,
3678 struct fruit_config_data, return -1);
3679
3680 switch (config->rsrc) {
3681 case FRUIT_RSRC_STREAM:
3682 rc = fruit_unlink_rsrc_stream(handle, smb_fname, force_unlink);
3683 break;
3684
3685 case FRUIT_RSRC_ADFILE:
3686 rc = fruit_unlink_rsrc_adouble(handle, smb_fname, force_unlink);
3687 break;
3688
3689 case FRUIT_RSRC_XATTR:
3690 rc = fruit_unlink_rsrc_xattr(handle, smb_fname, force_unlink);
3691 break;
3692
3693 default:
3694 DBG_ERR("Unsupported rsrc config [%d]\n", config->rsrc);
3695 return -1;
3696 }
3697
3698 return rc;
3699 }
3700
3701 static int fruit_unlink(vfs_handle_struct *handle,
3702 const struct smb_filename *smb_fname)
3703 {
3704 int rc;
3705 struct fruit_config_data *config = NULL;
3706 struct smb_filename *rsrc_smb_fname = NULL;
3707
3708 SMB_VFS_HANDLE_GET_DATA(handle, config,
3709 struct fruit_config_data, return -1);
3710
3711 if (is_afpinfo_stream(smb_fname)) {
3712 return fruit_unlink_meta(handle, smb_fname);
3713 } else if (is_afpresource_stream(smb_fname)) {
3714 return fruit_unlink_rsrc(handle, smb_fname, false);
3715 } if (is_ntfs_stream_smb_fname(smb_fname)) {
3716 return SMB_VFS_NEXT_UNLINK(handle, smb_fname);
3717 }
3718
3719 /*
3720 * A request to delete the base file. Because 0 byte resource
3721 * fork streams are not listed by fruit_streaminfo,
3722 * delete_all_streams() can't remove 0 byte resource fork
3723 * streams, so we have to cleanup this here.
3724 */
3725 rsrc_smb_fname = synthetic_smb_fname(talloc_tos(),
3726 smb_fname->base_name,
3727 AFPRESOURCE_STREAM_NAME,
3728 NULL,
3729 smb_fname->flags);
3730 if (rsrc_smb_fname == NULL) {
3731 return -1;
3732 }
3733
3734 rc = fruit_unlink_rsrc(handle, rsrc_smb_fname, true);
3735 if ((rc != 0) && (errno != ENOENT)) {
3736 DBG_ERR("Forced unlink of [%s] failed [%s]\n",
3737 smb_fname_str_dbg(rsrc_smb_fname), strerror(errno));
3738 TALLOC_FREE(rsrc_smb_fname);
3739 return -1;
3740 }
3741 TALLOC_FREE(rsrc_smb_fname);
3742
3743 return SMB_VFS_NEXT_UNLINK(handle, smb_fname);
3744 }
3745
3746 static int fruit_chmod(vfs_handle_struct *handle,
3747 const struct smb_filename *smb_fname,
3748 mode_t mode)
3749 {
3750 int rc = -1;
3751 struct fruit_config_data *config = NULL;
3752 struct smb_filename *smb_fname_adp = NULL;
3753
3754 rc = SMB_VFS_NEXT_CHMOD(handle, smb_fname, mode);
3755 if (rc != 0) {
3756 return rc;
3757 }
3758
3759 SMB_VFS_HANDLE_GET_DATA(handle, config,
3760 struct fruit_config_data, return -1);
3761
3762 if (config->rsrc != FRUIT_RSRC_ADFILE) {
3763 return 0;
3764 }
3765
3766 if (!VALID_STAT(smb_fname->st)) {
3767 return 0;
3768 }
3769
3770 if (!S_ISREG(smb_fname->st.st_ex_mode)) {
3771 return 0;
3772 }
3773
3774 rc = adouble_path(talloc_tos(), smb_fname, &smb_fname_adp);
3775 if (rc != 0) {
3776 return -1;
3777 }
3778
3779 DEBUG(10, ("fruit_chmod: %s\n", smb_fname_adp->base_name));
3780
3781 rc = SMB_VFS_NEXT_CHMOD(handle, smb_fname_adp, mode);
3782 if (errno == ENOENT) {
3783 rc = 0;
3784 }
3785
3786 TALLOC_FREE(smb_fname_adp);
3787 return rc;
3788 }
3789
3790 static int fruit_chown(vfs_handle_struct *handle,
3791 const struct smb_filename *smb_fname,
3792 uid_t uid,
3793 gid_t gid)
3794 {
3795 int rc = -1;
3796 struct fruit_config_data *config = NULL;
3797 struct smb_filename *adp_smb_fname = NULL;
3798
3799 rc = SMB_VFS_NEXT_CHOWN(handle, smb_fname, uid, gid);
3800 if (rc != 0) {
3801 return rc;
3802 }
3803
3804 SMB_VFS_HANDLE_GET_DATA(handle, config,
3805 struct fruit_config_data, return -1);
3806
3807 if (config->rsrc != FRUIT_RSRC_ADFILE) {
3808 return 0;
3809 }
3810
3811 if (!VALID_STAT(smb_fname->st)) {
3812 return 0;
3813 }
3814
3815 if (!S_ISREG(smb_fname->st.st_ex_mode)) {
3816 return 0;
3817 }
3818
3819 rc = adouble_path(talloc_tos(), smb_fname, &adp_smb_fname);
3820 if (rc != 0) {
3821 goto done;
3822 }
3823
3824 DEBUG(10, ("fruit_chown: %s\n", adp_smb_fname->base_name));
3825
3826 rc = SMB_VFS_NEXT_CHOWN(handle, adp_smb_fname, uid, gid);
3827 if (errno == ENOENT) {
3828 rc = 0;
3829 }
3830
3831 done:
3832 TALLOC_FREE(adp_smb_fname);
3833 return rc;
3834 }
3835
3836 static int fruit_rmdir(struct vfs_handle_struct *handle,
3837 const struct smb_filename *smb_fname)
3838 {
3839 DIR *dh = NULL;
3840 struct dirent *de;
3841 struct fruit_config_data *config;
3842
3843 SMB_VFS_HANDLE_GET_DATA(handle, config,
3844 struct fruit_config_data, return -1);
3845
3846 if (config->rsrc != FRUIT_RSRC_ADFILE) {
3847 goto exit_rmdir;
3848 }
3849
3850 /*
3851 * Due to there is no way to change bDeleteVetoFiles variable
3852 * from this module, need to clean up ourselves
3853 */
3854
3855 dh = SMB_VFS_OPENDIR(handle->conn, smb_fname, NULL, 0);
3856 if (dh == NULL) {
3857 goto exit_rmdir;
3858 }
3859
3860 while ((de = SMB_VFS_READDIR(handle->conn, dh, NULL)) != NULL) {
3861 int match;
3862 struct adouble *ad = NULL;
3863 char *p = NULL;
3864 struct smb_filename *ad_smb_fname = NULL;
3865 int ret;
3866
3867 match = strncmp(de->d_name,
3868 ADOUBLE_NAME_PREFIX,
3869 strlen(ADOUBLE_NAME_PREFIX));
3870 if (match != 0) {
3871 continue;
3872 }
3873
3874 p = talloc_asprintf(talloc_tos(), "%s/%s",
3875 smb_fname->base_name, de->d_name);
3876 if (p == NULL) {
3877 DBG_ERR("talloc_asprintf failed\n");
3878 return -1;
3879 }
3880
3881 ad_smb_fname = synthetic_smb_fname(talloc_tos(), p,
3882 NULL, NULL,
3883 smb_fname->flags);
3884 TALLOC_FREE(p);
3885 if (ad_smb_fname == NULL) {
3886 DBG_ERR("synthetic_smb_fname failed\n");
3887 return -1;
3888 }
3889
3890 /*
3891 * Check whether it's a valid AppleDouble file, if
3892 * yes, delete it, ignore it otherwise.
3893 */
3894 ad = ad_get(talloc_tos(), handle, ad_smb_fname, ADOUBLE_RSRC);
3895 if (ad == NULL) {
3896 TALLOC_FREE(ad_smb_fname);
3897 TALLOC_FREE(p);
3898 continue;
3899 }
3900 TALLOC_FREE(ad);
3901
3902 ret = SMB_VFS_NEXT_UNLINK(handle, ad_smb_fname);
3903 if (ret != 0) {
3904 DBG_ERR("Deleting [%s] failed\n",
3905 smb_fname_str_dbg(ad_smb_fname));
3906 }
3907 TALLOC_FREE(ad_smb_fname);
3908 }
3909
3910 exit_rmdir:
3911 if (dh) {
3912 SMB_VFS_CLOSEDIR(handle->conn, dh);
3913 }
3914 return SMB_VFS_NEXT_RMDIR(handle, smb_fname);
3915 }
3916
3917 static ssize_t fruit_pread_meta_stream(vfs_handle_struct *handle,
3918 files_struct *fsp, void *data,
3919 size_t n, off_t offset)
3920 {
3921 ssize_t nread;
3922 int ret;
3923
3924 nread = SMB_VFS_NEXT_PREAD(handle, fsp, data, n, offset);
3925
3926 if (nread == n) {
3927 return nread;
3928 }
3929
3930 DBG_ERR("Removing [%s] after short read [%zd]\n",
3931 fsp_str_dbg(fsp), nread);
3932
3933 ret = SMB_VFS_NEXT_UNLINK(handle, fsp->fsp_name);
3934 if (ret != 0) {
3935 DBG_ERR("Removing [%s] failed\n", fsp_str_dbg(fsp));
3936 return -1;
3937 }
3938
3939 errno = EINVAL;
3940 return -1;
3941 }
3942
3943 static ssize_t fruit_pread_meta_adouble(vfs_handle_struct *handle,
3944 files_struct *fsp, void *data,
3945 size_t n, off_t offset)
3946 {
3947 AfpInfo *ai = NULL;
3948 struct adouble *ad = NULL;
3949 char afpinfo_buf[AFP_INFO_SIZE];
3950 char *p = NULL;
3951 ssize_t nread;
3952
3953 ai = afpinfo_new(talloc_tos());
3954 if (ai == NULL) {
3955 return -1;
3956 }
3957
3958 ad = ad_fget(talloc_tos(), handle, fsp, ADOUBLE_META);
3959 if (ad == NULL) {
3960 nread = -1;
3961 goto fail;
3962 }
3963
3964 p = ad_get_entry(ad, ADEID_FINDERI);
3965 if (p == NULL) {
3966 DBG_ERR("No ADEID_FINDERI for [%s]\n", fsp_str_dbg(fsp));
3967 nread = -1;
3968 goto fail;
3969 }
3970
3971 memcpy(&ai->afpi_FinderInfo[0], p, ADEDLEN_FINDERI);
3972
3973 nread = afpinfo_pack(ai, afpinfo_buf);
3974 if (nread != AFP_INFO_SIZE) {
3975 nread = -1;
3976 goto fail;
3977 }
3978
3979 memcpy(data, afpinfo_buf, n);
3980 nread = n;
3981
3982 fail:
3983 TALLOC_FREE(ai);
3984 return nread;
3985 }
3986
3987 static ssize_t fruit_pread_meta(vfs_handle_struct *handle,
3988 files_struct *fsp, void *data,
3989 size_t n, off_t offset)
3990 {
3991 struct fio *fio = (struct fio *)VFS_FETCH_FSP_EXTENSION(handle, fsp);
3992 ssize_t nread;
3993 ssize_t to_return;
3994
3995 /*
3996 * OS X has a off-by-1 error in the offset calculation, so we're
3997 * bug compatible here. It won't hurt, as any relevant real
3998 * world read requests from the AFP_AfpInfo stream will be
3999 * offset=0 n=60. offset is ignored anyway, see below.
4000 */
4001 if ((offset < 0) || (offset >= AFP_INFO_SIZE + 1)) {
4002 return 0;
4003 }
4004
4005 /* Yes, macOS always reads from offset 0 */
4006 offset = 0;
4007 to_return = MIN(n, AFP_INFO_SIZE);
4008
4009 switch (fio->config->meta) {
4010 case FRUIT_META_STREAM:
4011 nread = fruit_pread_meta_stream(handle, fsp, data,
4012 to_return, offset);
4013 break;
4014
4015 case FRUIT_META_NETATALK:
4016 nread = fruit_pread_meta_adouble(handle, fsp, data,
4017 to_return, offset);
4018 break;
4019
4020 default:
4021 DBG_ERR("Unexpected meta config [%d]\n", fio->config->meta);
4022 return -1;
4023 }
4024
4025 return nread;
4026 }
4027
4028 static ssize_t fruit_pread_rsrc_stream(vfs_handle_struct *handle,
4029 files_struct *fsp, void *data,
4030 size_t n, off_t offset)
4031 {
4032 return SMB_VFS_NEXT_PREAD(handle, fsp, data, n, offset);
4033 }
4034
4035 static ssize_t fruit_pread_rsrc_xattr(vfs_handle_struct *handle,
4036 files_struct *fsp, void *data,
4037 size_t n, off_t offset)
4038 {
4039 return SMB_VFS_NEXT_PREAD(handle, fsp, data, n, offset);
4040 }
4041
4042 static ssize_t fruit_pread_rsrc_adouble(vfs_handle_struct *handle,
4043 files_struct *fsp, void *data,
4044 size_t n, off_t offset)
4045 {
4046 struct adouble *ad = NULL;
4047 ssize_t nread;
4048
4049 ad = ad_fget(talloc_tos(), handle, fsp, ADOUBLE_RSRC);
4050 if (ad == NULL) {
4051 return -1;
4052 }
4053
4054 nread = SMB_VFS_NEXT_PREAD(handle, fsp, data, n,
4055 offset + ad_getentryoff(ad, ADEID_RFORK));
4056
4057 TALLOC_FREE(ad);
4058 return nread;
4059 }
4060
4061 static ssize_t fruit_pread_rsrc(vfs_handle_struct *handle,
4062 files_struct *fsp, void *data,
4063 size_t n, off_t offset)
4064 {
4065 struct fio *fio = (struct fio *)VFS_FETCH_FSP_EXTENSION(handle, fsp);
4066 ssize_t nread;
4067
4068 if (fio == NULL) {
4069 errno = EINVAL;
4070 return -1;
4071 }
4072
4073 switch (fio->config->rsrc) {
4074 case FRUIT_RSRC_STREAM:
4075 nread = fruit_pread_rsrc_stream(handle, fsp, data, n, offset);
4076 break;
4077
4078 case FRUIT_RSRC_ADFILE:
4079 nread = fruit_pread_rsrc_adouble(handle, fsp, data, n, offset);
4080 break;
4081
4082 case FRUIT_RSRC_XATTR:
4083 nread = fruit_pread_rsrc_xattr(handle, fsp, data, n, offset);
4084 break;
4085
4086 default:
4087 DBG_ERR("Unexpected rsrc config [%d]\n", fio->config->rsrc);
4088 return -1;
4089 }
4090
4091 return nread;
4092 }
4093
4094 static ssize_t fruit_pread(vfs_handle_struct *handle,
4095 files_struct *fsp, void *data,
4096 size_t n, off_t offset)
4097 {
4098 struct fio *fio = (struct fio *)VFS_FETCH_FSP_EXTENSION(handle, fsp);
4099 ssize_t nread;
4100
4101 DBG_DEBUG("Path [%s] offset=%"PRIdMAX", size=%zd\n",
4102 fsp_str_dbg(fsp), (intmax_t)offset, n);
4103
4104 if (fio == NULL) {
4105 return SMB_VFS_NEXT_PREAD(handle, fsp, data, n, offset);
4106 }
4107
4108 if (fio->type == ADOUBLE_META) {
4109 nread = fruit_pread_meta(handle, fsp, data, n, offset);
4110 } else {
4111 nread = fruit_pread_rsrc(handle, fsp, data, n, offset);
4112 }
4113
4114 DBG_DEBUG("Path [%s] nread [%zd]\n", fsp_str_dbg(fsp), nread);
4115 return nread;
4116 }
4117
4118 static bool fruit_must_handle_aio_stream(struct fio *fio)
4119 {
4120 if (fio == NULL) {
4121 return false;
4122 };
4123
4124 if ((fio->type == ADOUBLE_META) &&
4125 (fio->config->meta == FRUIT_META_NETATALK))
4126 {
4127 return true;
4128 }
4129
4130 if ((fio->type == ADOUBLE_RSRC) &&
4131 (fio->config->rsrc == FRUIT_RSRC_ADFILE))
4132 {
4133 return true;
4134 }
4135
4136 return false;
4137 }
4138
4139 struct fruit_pread_state {
4140 ssize_t nread;
4141 struct vfs_aio_state vfs_aio_state;
4142 };
4143
4144 static void fruit_pread_done(struct tevent_req *subreq);
4145
4146 static struct tevent_req *fruit_pread_send(
4147 struct vfs_handle_struct *handle,
4148 TALLOC_CTX *mem_ctx,
4149 struct tevent_context *ev,
4150 struct files_struct *fsp,
4151 void *data,
4152 size_t n, off_t offset)
4153 {
4154 struct tevent_req *req = NULL;
4155 struct tevent_req *subreq = NULL;
4156 struct fruit_pread_state *state = NULL;
4157 struct fio *fio = (struct fio *)VFS_FETCH_FSP_EXTENSION(handle, fsp);
4158
4159 req = tevent_req_create(mem_ctx, &state,
4160 struct fruit_pread_state);
4161 if (req == NULL) {
4162 return NULL;
4163 }
4164
4165 if (fruit_must_handle_aio_stream(fio)) {
4166 state->nread = SMB_VFS_PREAD(fsp, data, n, offset);
4167 if (state->nread != n) {
4168 if (state->nread != -1) {
4169 errno = EIO;
4170 }
4171 tevent_req_error(req, errno);
4172 return tevent_req_post(req, ev);
4173 }
4174 tevent_req_done(req);
4175 return tevent_req_post(req, ev);
4176 }
4177
4178 subreq = SMB_VFS_NEXT_PREAD_SEND(state, ev, handle, fsp,
4179 data, n, offset);
4180 if (tevent_req_nomem(req, subreq)) {
4181 return tevent_req_post(req, ev);
4182 }
4183 tevent_req_set_callback(subreq, fruit_pread_done, req);
4184 return req;
4185 }
4186
4187 static void fruit_pread_done(struct tevent_req *subreq)
4188 {
4189 struct tevent_req *req = tevent_req_callback_data(
4190 subreq, struct tevent_req);
4191 struct fruit_pread_state *state = tevent_req_data(
4192 req, struct fruit_pread_state);
4193
4194 state->nread = SMB_VFS_PREAD_RECV(subreq, &state->vfs_aio_state);
4195 TALLOC_FREE(subreq);
4196
4197 if (tevent_req_error(req, state->vfs_aio_state.error)) {
4198 return;
4199 }
4200 tevent_req_done(req);
4201 }
4202
4203 static ssize_t fruit_pread_recv(struct tevent_req *req,
4204 struct vfs_aio_state *vfs_aio_state)
4205 {
4206 struct fruit_pread_state *state = tevent_req_data(
4207 req, struct fruit_pread_state);
4208
4209 if (tevent_req_is_unix_error(req, &vfs_aio_state->error)) {
4210 return -1;
4211 }
4212
4213 *vfs_aio_state = state->vfs_aio_state;
4214 return state->nread;
4215 }
4216
4217 static ssize_t fruit_pwrite_meta_stream(vfs_handle_struct *handle,
4218 files_struct *fsp, const void *data,
4219 size_t n, off_t offset)
4220 {
4221 AfpInfo *ai = NULL;
4222 size_t nwritten;
4223 bool ok;
4224
4225 ai = afpinfo_unpack(talloc_tos(), data);
4226 if (ai == NULL) {
4227 return -1;
4228 }
4229
4230 nwritten = SMB_VFS_NEXT_PWRITE(handle, fsp, data, n, offset);
4231 if (nwritten != n) {
4232 return -1;
4233 }
4234
4235 if (!ai_empty_finderinfo(ai)) {
4236 return n;
4237 }
4238
4239 ok = set_delete_on_close(
4240 fsp,
4241 true,
4242 handle->conn->session_info->security_token,
4243 handle->conn->session_info->unix_token);
4244 if (!ok) {
4245 DBG_ERR("set_delete_on_close on [%s] failed\n",
4246 fsp_str_dbg(fsp));
4247 return -1;
4248 }
4249
4250 return n;
4251 }
4252
4253 static ssize_t fruit_pwrite_meta_netatalk(vfs_handle_struct *handle,
4254 files_struct *fsp, const void *data,
4255 size_t n, off_t offset)
4256 {
4257 struct adouble *ad = NULL;
4258 AfpInfo *ai = NULL;
4259 char *p = NULL;
4260 int ret;
4261 bool ok;
4262
4263 ai = afpinfo_unpack(talloc_tos(), data);
4264 if (ai == NULL) {
4265 return -1;
4266 }
4267
4268 ad = ad_fget(talloc_tos(), handle, fsp, ADOUBLE_META);
4269 if (ad == NULL) {
4270 ad = ad_init(talloc_tos(), handle, ADOUBLE_META);
4271 if (ad == NULL) {
4272 return -1;
4273 }
4274 }
4275 p = ad_get_entry(ad, ADEID_FINDERI);
4276 if (p == NULL) {
4277 DBG_ERR("No ADEID_FINDERI for [%s]\n", fsp_str_dbg(fsp));
4278 TALLOC_FREE(ad);
4279 return -1;
4280 }
4281
4282 memcpy(p, &ai->afpi_FinderInfo[0], ADEDLEN_FINDERI);
4283
4284 ret = ad_fset(ad, fsp);
4285 if (ret != 0) {
4286 DBG_ERR("ad_pwrite [%s] failed\n", fsp_str_dbg(fsp));
4287 TALLOC_FREE(ad);
4288 return -1;
4289 }
4290
4291 TALLOC_FREE(ad);
4292
4293 if (!ai_empty_finderinfo(ai)) {
4294 return n;
4295 }
4296
4297 ok = set_delete_on_close(
4298 fsp,
4299 true,
4300 handle->conn->session_info->security_token,
4301 handle->conn->session_info->unix_token);
4302 if (!ok) {
4303 DBG_ERR("set_delete_on_close on [%s] failed\n",
4304 fsp_str_dbg(fsp));
4305 return -1;
4306 }
4307
4308 return n;
4309 }
4310
4311 static ssize_t fruit_pwrite_meta(vfs_handle_struct *handle,
4312 files_struct *fsp, const void *data,
4313 size_t n, off_t offset)
4314 {
4315 struct fio *fio = (struct fio *)VFS_FETCH_FSP_EXTENSION(handle, fsp);
4316 ssize_t nwritten;
4317
4318 /*
4319 * Writing an all 0 blob to the metadata stream
4320 * results in the stream being removed on a macOS
4321 * server. This ensures we behave the same and it
4322 * verified by the "delete AFP_AfpInfo by writing all
4323 * 0" test.
4324 */
4325 if (n != AFP_INFO_SIZE || offset != 0) {
4326 DBG_ERR("unexpected offset=%jd or size=%jd\n",
4327 (intmax_t)offset, (intmax_t)n);
4328 return -1;
4329 }
4330
4331 switch (fio->config->meta) {
4332 case FRUIT_META_STREAM:
4333 nwritten = fruit_pwrite_meta_stream(handle, fsp, data,
4334 n, offset);
4335 break;
4336
4337 case FRUIT_META_NETATALK:
4338 nwritten = fruit_pwrite_meta_netatalk(handle, fsp, data,
4339 n, offset);
4340 break;
4341
4342 default:
4343 DBG_ERR("Unexpected meta config [%d]\n", fio->config->meta);
4344 return -1;
4345 }
4346
4347 return nwritten;
4348 }
4349
4350 static ssize_t fruit_pwrite_rsrc_stream(vfs_handle_struct *handle,
4351 files_struct *fsp, const void *data,
4352 size_t n, off_t offset)
4353 {
4354 return SMB_VFS_NEXT_PWRITE(handle, fsp, data, n, offset);
4355 }
4356
4357 static ssize_t fruit_pwrite_rsrc_xattr(vfs_handle_struct *handle,
4358 files_struct *fsp, const void *data,
4359 size_t n, off_t offset)
4360 {
4361 return SMB_VFS_NEXT_PWRITE(handle, fsp, data, n, offset);
4362 }
4363
4364 static ssize_t fruit_pwrite_rsrc_adouble(vfs_handle_struct *handle,
4365 files_struct *fsp, const void *data,
4366 size_t n, off_t offset)
4367 {
4368 struct adouble *ad = NULL;
4369 ssize_t nwritten;
4370 int ret;
4371
4372 ad = ad_fget(talloc_tos(), handle, fsp, ADOUBLE_RSRC);
4373 if (ad == NULL) {
4374 DBG_ERR("ad_get [%s] failed\n", fsp_str_dbg(fsp));
4375 return -1;
4376 }
4377
4378 nwritten = SMB_VFS_NEXT_PWRITE(handle, fsp, data, n,
4379 offset + ad_getentryoff(ad, ADEID_RFORK));
4380 if (nwritten != n) {
4381 DBG_ERR("Short write on [%s] [%zd/%zd]\n",
4382 fsp_str_dbg(fsp), nwritten, n);
4383 TALLOC_FREE(ad);
4384 return -1;
4385 }
4386
4387 if ((n + offset) > ad_getentrylen(ad, ADEID_RFORK)) {
4388 ad_setentrylen(ad, ADEID_RFORK, n + offset);
4389 ret = ad_fset(ad, fsp);
4390 if (ret != 0) {
4391 DBG_ERR("ad_pwrite [%s] failed\n", fsp_str_dbg(fsp));
4392 TALLOC_FREE(ad);
4393 return -1;
4394 }
4395 }
4396
4397 TALLOC_FREE(ad);
4398 return n;
4399 }
4400
4401 static ssize_t fruit_pwrite_rsrc(vfs_handle_struct *handle,
4402 files_struct *fsp, const void *data,
4403 size_t n, off_t offset)
4404 {
4405 struct fio *fio = (struct fio *)VFS_FETCH_FSP_EXTENSION(handle, fsp);
4406 ssize_t nwritten;
4407
4408 switch (fio->config->rsrc) {
4409 case FRUIT_RSRC_STREAM:
4410 nwritten = fruit_pwrite_rsrc_stream(handle, fsp, data, n, offset);
4411 break;
4412
4413 case FRUIT_RSRC_ADFILE:
4414 nwritten = fruit_pwrite_rsrc_adouble(handle, fsp, data, n, offset);
4415 break;
4416
4417 case FRUIT_RSRC_XATTR:
4418 nwritten = fruit_pwrite_rsrc_xattr(handle, fsp, data, n, offset);
4419 break;
4420
4421 default:
4422 DBG_ERR("Unexpected rsrc config [%d]\n", fio->config->rsrc);
4423 return -1;
4424 }
4425
4426 return nwritten;
4427 }
4428
4429 static ssize_t fruit_pwrite(vfs_handle_struct *handle,
4430 files_struct *fsp, const void *data,
4431 size_t n, off_t offset)
4432 {
4433 struct fio *fio = (struct fio *)VFS_FETCH_FSP_EXTENSION(handle, fsp);
4434 ssize_t nwritten;
4435
4436 DBG_DEBUG("Path [%s] offset=%"PRIdMAX", size=%zd\n",
4437 fsp_str_dbg(fsp), (intmax_t)offset, n);
4438
4439 if (fio == NULL) {
4440 return SMB_VFS_NEXT_PWRITE(handle, fsp, data, n, offset);
4441 }
4442
4443 if (fio->type == ADOUBLE_META) {
4444 nwritten = fruit_pwrite_meta(handle, fsp, data, n, offset);
4445 } else {
4446 nwritten = fruit_pwrite_rsrc(handle, fsp, data, n, offset);
4447 }
4448
4449 DBG_DEBUG("Path [%s] nwritten=%zd\n", fsp_str_dbg(fsp), nwritten);
4450 return nwritten;
4451 }
4452
4453 struct fruit_pwrite_state {
4454 ssize_t nwritten;
4455 struct vfs_aio_state vfs_aio_state;
4456 };
4457
4458 static void fruit_pwrite_done(struct tevent_req *subreq);
4459
4460 static struct tevent_req *fruit_pwrite_send(
4461 struct vfs_handle_struct *handle,
4462 TALLOC_CTX *mem_ctx,
4463 struct tevent_context *ev,
4464 struct files_struct *fsp,
4465 const void *data,
4466 size_t n, off_t offset)
4467 {
4468 struct tevent_req *req = NULL;
4469 struct tevent_req *subreq = NULL;
4470 struct fruit_pwrite_state *state = NULL;
4471 struct fio *fio = (struct fio *)VFS_FETCH_FSP_EXTENSION(handle, fsp);
4472
4473 req = tevent_req_create(mem_ctx, &state,
4474 struct fruit_pwrite_state);
4475 if (req == NULL) {
4476 return NULL;
4477 }
4478
4479 if (fruit_must_handle_aio_stream(fio)) {
4480 state->nwritten = SMB_VFS_PWRITE(fsp, data, n, offset);
4481 if (state->nwritten != n) {
4482 if (state->nwritten != -1) {
4483 errno = EIO;
4484 }
4485 tevent_req_error(req, errno);
4486 return tevent_req_post(req, ev);
4487 }
4488 tevent_req_done(req);
4489 return tevent_req_post(req, ev);
4490 }
4491
4492 subreq = SMB_VFS_NEXT_PWRITE_SEND(state, ev, handle, fsp,
4493 data, n, offset);
4494 if (tevent_req_nomem(req, subreq)) {
4495 return tevent_req_post(req, ev);
4496 }
4497 tevent_req_set_callback(subreq, fruit_pwrite_done, req);
4498 return req;
4499 }
4500
4501 static void fruit_pwrite_done(struct tevent_req *subreq)
4502 {
4503 struct tevent_req *req = tevent_req_callback_data(
4504 subreq, struct tevent_req);
4505 struct fruit_pwrite_state *state = tevent_req_data(
4506 req, struct fruit_pwrite_state);
4507
4508 state->nwritten = SMB_VFS_PWRITE_RECV(subreq, &state->vfs_aio_state);
4509 TALLOC_FREE(subreq);
4510
4511 if (tevent_req_error(req, state->vfs_aio_state.error)) {
4512 return;
4513 }
4514 tevent_req_done(req);
4515 }
4516
4517 static ssize_t fruit_pwrite_recv(struct tevent_req *req,
4518 struct vfs_aio_state *vfs_aio_state)
4519 {
4520 struct fruit_pwrite_state *state = tevent_req_data(
4521 req, struct fruit_pwrite_state);
4522
4523 if (tevent_req_is_unix_error(req, &vfs_aio_state->error)) {
4524 return -1;
4525 }
4526
4527 *vfs_aio_state = state->vfs_aio_state;
4528 return state->nwritten;
4529 }
4530
4531 /**
4532 * Helper to stat/lstat the base file of an smb_fname.
4533 */
4534 static int fruit_stat_base(vfs_handle_struct *handle,
4535 struct smb_filename *smb_fname,
4536 bool follow_links)
4537 {
4538 char *tmp_stream_name;
4539 int rc;
4540
4541 tmp_stream_name = smb_fname->stream_name;
4542 smb_fname->stream_name = NULL;
4543 if (follow_links) {
4544 rc = SMB_VFS_NEXT_STAT(handle, smb_fname);
4545 } else {
4546 rc = SMB_VFS_NEXT_LSTAT(handle, smb_fname);
4547 }
4548 smb_fname->stream_name = tmp_stream_name;
4549 return rc;
4550 }
4551
4552 static int fruit_stat_meta_stream(vfs_handle_struct *handle,
4553 struct smb_filename *smb_fname,
4554 bool follow_links)
4555 {
4556 int ret;
4557
4558 if (follow_links) {
4559 ret = SMB_VFS_NEXT_STAT(handle, smb_fname);
4560 } else {
4561 ret = SMB_VFS_NEXT_LSTAT(handle, smb_fname);
4562 }
4563
4564 return ret;
4565 }
4566
4567 static int fruit_stat_meta_netatalk(vfs_handle_struct *handle,
4568 struct smb_filename *smb_fname,
4569 bool follow_links)
4570 {
4571 struct adouble *ad = NULL;
4572
4573 ad = ad_get(talloc_tos(), handle, smb_fname, ADOUBLE_META);
4574 if (ad == NULL) {
4575 DBG_INFO("fruit_stat_meta %s: %s\n",
4576 smb_fname_str_dbg(smb_fname), strerror(errno));
4577 errno = ENOENT;
4578 return -1;
4579 }
4580 TALLOC_FREE(ad);
4581
4582 /* Populate the stat struct with info from the base file. */
4583 if (fruit_stat_base(handle, smb_fname, follow_links) == -1) {
4584 return -1;
4585 }
4586 smb_fname->st.st_ex_size = AFP_INFO_SIZE;
4587 smb_fname->st.st_ex_ino = fruit_inode(&smb_fname->st,
4588 smb_fname->stream_name);
4589 return 0;
4590 }
4591
4592 static int fruit_stat_meta(vfs_handle_struct *handle,
4593 struct smb_filename *smb_fname,
4594 bool follow_links)
4595 {
4596 struct fruit_config_data *config = NULL;
4597 int ret;
4598
4599 SMB_VFS_HANDLE_GET_DATA(handle, config,
4600 struct fruit_config_data, return -1);
4601
4602 switch (config->meta) {
4603 case FRUIT_META_STREAM:
4604 ret = fruit_stat_meta_stream(handle, smb_fname, follow_links);
4605 break;
4606
4607 case FRUIT_META_NETATALK:
4608 ret = fruit_stat_meta_netatalk(handle, smb_fname, follow_links);
4609 break;
4610
4611 default:
4612 DBG_ERR("Unexpected meta config [%d]\n", config->meta);
4613 return -1;
4614 }
4615
4616 return ret;
4617 }
4618
4619 static int fruit_stat_rsrc_netatalk(vfs_handle_struct *handle,
4620 struct smb_filename *smb_fname,
4621 bool follow_links)
4622 {
4623 struct adouble *ad = NULL;
4624 int ret;
4625
4626 ad = ad_get(talloc_tos(), handle, smb_fname, ADOUBLE_RSRC);
4627 if (ad == NULL) {
4628 errno = ENOENT;
4629 return -1;
4630 }
4631
4632 /* Populate the stat struct with info from the base file. */
4633 ret = fruit_stat_base(handle, smb_fname, follow_links);
4634 if (ret != 0) {
4635 TALLOC_FREE(ad);
4636 return -1;
4637 }
4638
4639 smb_fname->st.st_ex_size = ad_getentrylen(ad, ADEID_RFORK);
4640 smb_fname->st.st_ex_ino = fruit_inode(&smb_fname->st,
4641 smb_fname->stream_name);
4642 TALLOC_FREE(ad);
4643 return 0;
4644 }
4645
4646 static int fruit_stat_rsrc_stream(vfs_handle_struct *handle,
4647 struct smb_filename *smb_fname,
4648 bool follow_links)
4649 {
4650 int ret;
4651
4652 if (follow_links) {
4653 ret = SMB_VFS_NEXT_STAT(handle, smb_fname);
4654 } else {
4655 ret = SMB_VFS_NEXT_LSTAT(handle, smb_fname);
4656 }
4657
4658 return ret;
4659 }
4660
4661 static int fruit_stat_rsrc_xattr(vfs_handle_struct *handle,
4662 struct smb_filename *smb_fname,
4663 bool follow_links)
4664 {
4665 #ifdef HAVE_ATTROPEN
4666 int ret;
4667 int fd = -1;
4668
4669 /* Populate the stat struct with info from the base file. */
4670 ret = fruit_stat_base(handle, smb_fname, follow_links);
4671 if (ret != 0) {
4672 return -1;
4673 }
4674
4675 fd = attropen(smb_fname->base_name,
4676 AFPRESOURCE_EA_NETATALK,
4677 O_RDONLY);
4678 if (fd == -1) {
4679 return 0;
4680 }
4681
4682 ret = sys_fstat(fd, &smb_fname->st, false);
4683 if (ret != 0) {
4684 close(fd);
4685 DBG_ERR("fstat [%s:%s] failed\n", smb_fname->base_name,
4686 AFPRESOURCE_EA_NETATALK);
4687 return -1;
4688 }
4689 close(fd);
4690 fd = -1;
4691
4692 smb_fname->st.st_ex_ino = fruit_inode(&smb_fname->st,
4693 smb_fname->stream_name);
4694
4695 return ret;
4696
4697 #else
4698 errno = ENOSYS;
4699 return -1;
4700 #endif
4701 }
4702
4703 static int fruit_stat_rsrc(vfs_handle_struct *handle,
4704 struct smb_filename *smb_fname,
4705 bool follow_links)
4706 {
4707 struct fruit_config_data *config = NULL;
4708 int ret;
4709
4710 DBG_DEBUG("Path [%s]\n", smb_fname_str_dbg(smb_fname));
4711
4712 SMB_VFS_HANDLE_GET_DATA(handle, config,
4713 struct fruit_config_data, return -1);
4714
4715 switch (config->rsrc) {
4716 case FRUIT_RSRC_STREAM:
4717 ret = fruit_stat_rsrc_stream(handle, smb_fname, follow_links);
4718 break;
4719
4720 case FRUIT_RSRC_XATTR:
4721 ret = fruit_stat_rsrc_xattr(handle, smb_fname, follow_links);
4722 break;
4723
4724 case FRUIT_RSRC_ADFILE:
4725 ret = fruit_stat_rsrc_netatalk(handle, smb_fname, follow_links);
4726 break;
4727
4728 default:
4729 DBG_ERR("Unexpected rsrc config [%d]\n", config->rsrc);
4730 return -1;
4731 }
4732
4733 return ret;
4734 }
4735
4736 static int fruit_stat(vfs_handle_struct *handle,
4737 struct smb_filename *smb_fname)
4738 {
4739 int rc = -1;
4740
4741 DEBUG(10, ("fruit_stat called for %s\n",
4742 smb_fname_str_dbg(smb_fname)));
4743
4744 if (!is_ntfs_stream_smb_fname(smb_fname)
4745 || is_ntfs_default_stream_smb_fname(smb_fname)) {
4746 rc = SMB_VFS_NEXT_STAT(handle, smb_fname);
4747 if (rc == 0) {
4748 update_btime(handle, smb_fname);
4749 }
4750 return rc;
4751 }
4752
4753 /*
4754 * Note if lp_posix_paths() is true, we can never
4755 * get here as is_ntfs_stream_smb_fname() is
4756 * always false. So we never need worry about
4757 * not following links here.
4758 */
4759
4760 if (is_afpinfo_stream(smb_fname)) {
4761 rc = fruit_stat_meta(handle, smb_fname, true);
4762 } else if (is_afpresource_stream(smb_fname)) {
4763 rc = fruit_stat_rsrc(handle, smb_fname, true);
4764 } else {
4765 return SMB_VFS_NEXT_STAT(handle, smb_fname);
4766 }
4767
4768 if (rc == 0) {
4769 update_btime(handle, smb_fname);
4770 smb_fname->st.st_ex_mode &= ~S_IFMT;
4771 smb_fname->st.st_ex_mode |= S_IFREG;
4772 smb_fname->st.st_ex_blocks =
4773 smb_fname->st.st_ex_size / STAT_ST_BLOCKSIZE + 1;
4774 }
4775 return rc;
4776 }
4777
4778 static int fruit_lstat(vfs_handle_struct *handle,
4779 struct smb_filename *smb_fname)
4780 {
4781 int rc = -1;
4782
4783 DEBUG(10, ("fruit_lstat called for %s\n",
4784 smb_fname_str_dbg(smb_fname)));
4785
4786 if (!is_ntfs_stream_smb_fname(smb_fname)
4787 || is_ntfs_default_stream_smb_fname(smb_fname)) {
4788 rc = SMB_VFS_NEXT_LSTAT(handle, smb_fname);
4789 if (rc == 0) {
4790 update_btime(handle, smb_fname);
4791 }
4792 return rc;
4793 }
4794
4795 if (is_afpinfo_stream(smb_fname)) {
4796 rc = fruit_stat_meta(handle, smb_fname, false);
4797 } else if (is_afpresource_stream(smb_fname)) {
4798 rc = fruit_stat_rsrc(handle, smb_fname, false);
4799 } else {
4800 return SMB_VFS_NEXT_LSTAT(handle, smb_fname);
4801 }
4802
4803 if (rc == 0) {
4804 update_btime(handle, smb_fname);
4805 smb_fname->st.st_ex_mode &= ~S_IFMT;
4806 smb_fname->st.st_ex_mode |= S_IFREG;
4807 smb_fname->st.st_ex_blocks =
4808 smb_fname->st.st_ex_size / STAT_ST_BLOCKSIZE + 1;
4809 }
4810 return rc;
4811 }
4812
4813 static int fruit_fstat_meta_stream(vfs_handle_struct *handle,
4814 files_struct *fsp,
4815 SMB_STRUCT_STAT *sbuf)
4816 {
4817 return SMB_VFS_NEXT_FSTAT(handle, fsp, sbuf);
4818 }
4819
4820 static int fruit_fstat_meta_netatalk(vfs_handle_struct *handle,
4821 files_struct *fsp,
4822 SMB_STRUCT_STAT *sbuf)
4823 {
4824 int ret;
4825
4826 ret = fruit_stat_base(handle, fsp->base_fsp->fsp_name, false);
4827 if (ret != 0) {
4828 return -1;
4829 }
4830
4831 *sbuf = fsp->base_fsp->fsp_name->st;
4832 sbuf->st_ex_size = AFP_INFO_SIZE;
4833 sbuf->st_ex_ino = fruit_inode(sbuf, fsp->fsp_name->stream_name);
4834
4835 return 0;
4836 }
4837
4838 static int fruit_fstat_meta(vfs_handle_struct *handle,
4839 files_struct *fsp,
4840 SMB_STRUCT_STAT *sbuf,
4841 struct fio *fio)
4842 {
4843 int ret;
4844
4845 DBG_DEBUG("Path [%s]\n", fsp_str_dbg(fsp));
4846
4847 switch (fio->config->meta) {
4848 case FRUIT_META_STREAM:
4849 ret = fruit_fstat_meta_stream(handle, fsp, sbuf);
4850 break;
4851
4852 case FRUIT_META_NETATALK:
4853 ret = fruit_fstat_meta_netatalk(handle, fsp, sbuf);
4854 break;
4855
4856 default:
4857 DBG_ERR("Unexpected meta config [%d]\n", fio->config->meta);
4858 return -1;
4859 }
4860
4861 DBG_DEBUG("Path [%s] ret [%d]\n", fsp_str_dbg(fsp), ret);
4862 return ret;
4863 }
4864
4865 static int fruit_fstat_rsrc_xattr(vfs_handle_struct *handle,
4866 files_struct *fsp,
4867 SMB_STRUCT_STAT *sbuf)
4868 {
4869 return SMB_VFS_NEXT_FSTAT(handle, fsp, sbuf);
4870 }
4871
4872 static int fruit_fstat_rsrc_stream(vfs_handle_struct *handle,
4873 files_struct *fsp,
4874 SMB_STRUCT_STAT *sbuf)
4875 {
4876 return SMB_VFS_NEXT_FSTAT(handle, fsp, sbuf);
4877 }
4878
4879 static int fruit_fstat_rsrc_adouble(vfs_handle_struct *handle,
4880 files_struct *fsp,
4881 SMB_STRUCT_STAT *sbuf)
4882 {
4883 struct adouble *ad = NULL;
4884 int ret;
4885
4886 /* Populate the stat struct with info from the base file. */
4887 ret = fruit_stat_base(handle, fsp->base_fsp->fsp_name, false);
4888 if (ret == -1) {
4889 return -1;
4890 }
4891
4892 ad = ad_get(talloc_tos(), handle,
4893 fsp->base_fsp->fsp_name,
4894 ADOUBLE_RSRC);
4895 if (ad == NULL) {
4896 DBG_ERR("ad_get [%s] failed [%s]\n",
4897 fsp_str_dbg(fsp), strerror(errno));
4898 return -1;
4899 }
4900
4901 *sbuf = fsp->base_fsp->fsp_name->st;
4902 sbuf->st_ex_size = ad_getentrylen(ad, ADEID_RFORK);
4903 sbuf->st_ex_ino = fruit_inode(sbuf, fsp->fsp_name->stream_name);
4904
4905 TALLOC_FREE(ad);
4906 return 0;
4907 }
4908
4909 static int fruit_fstat_rsrc(vfs_handle_struct *handle, files_struct *fsp,
4910 SMB_STRUCT_STAT *sbuf, struct fio *fio)
4911 {
4912 int ret;
4913
4914 switch (fio->config->rsrc) {
4915 case FRUIT_RSRC_STREAM:
4916 ret = fruit_fstat_rsrc_stream(handle, fsp, sbuf);
4917 break;
4918
4919 case FRUIT_RSRC_ADFILE:
4920 ret = fruit_fstat_rsrc_adouble(handle, fsp, sbuf);
4921 break;
4922
4923 case FRUIT_RSRC_XATTR:
4924 ret = fruit_fstat_rsrc_xattr(handle, fsp, sbuf);
4925 break;
4926
4927 default:
4928 DBG_ERR("Unexpected rsrc config [%d]\n", fio->config->rsrc);
4929 return -1;
4930 }
4931
4932 return ret;
4933 }
4934
4935 static int fruit_fstat(vfs_handle_struct *handle, files_struct *fsp,
4936 SMB_STRUCT_STAT *sbuf)
4937 {
4938 struct fio *fio = (struct fio *)VFS_FETCH_FSP_EXTENSION(handle, fsp);
4939 int rc;
4940
4941 if (fio == NULL) {
4942 return SMB_VFS_NEXT_FSTAT(handle, fsp, sbuf);
4943 }
4944
4945 DBG_DEBUG("Path [%s]\n", fsp_str_dbg(fsp));
4946
4947 if (fio->type == ADOUBLE_META) {
4948 rc = fruit_fstat_meta(handle, fsp, sbuf, fio);
4949 } else {
4950 rc = fruit_fstat_rsrc(handle, fsp, sbuf, fio);
4951 }
4952
4953 if (rc == 0) {
4954 sbuf->st_ex_mode &= ~S_IFMT;
4955 sbuf->st_ex_mode |= S_IFREG;
4956 sbuf->st_ex_blocks = sbuf->st_ex_size / STAT_ST_BLOCKSIZE + 1;
4957 }
4958
4959 DBG_DEBUG("Path [%s] rc [%d] size [%"PRIdMAX"]\n",
4960 fsp_str_dbg(fsp), rc, (intmax_t)sbuf->st_ex_size);
4961 return rc;
4962 }
4963
4964 static NTSTATUS delete_invalid_meta_stream(
4965 vfs_handle_struct *handle,
4966 const struct smb_filename *smb_fname,
4967 TALLOC_CTX *mem_ctx,
4968 unsigned int *pnum_streams,
4969 struct stream_struct **pstreams)
4970 {
4971 struct smb_filename *sname = NULL;
4972 int ret;
4973 bool ok;
4974
4975 ok = del_fruit_stream(mem_ctx, pnum_streams, pstreams, AFPINFO_STREAM);
4976 if (!ok) {
4977 return NT_STATUS_INTERNAL_ERROR;
4978 }
4979
4980 sname = synthetic_smb_fname(talloc_tos(),
4981 smb_fname->base_name,
4982 AFPINFO_STREAM_NAME,
4983 NULL, 0);
4984 if (sname == NULL) {
4985 return NT_STATUS_NO_MEMORY;
4986 }
4987
4988 ret = SMB_VFS_NEXT_UNLINK(handle, sname);
4989 TALLOC_FREE(sname);
4990 if (ret != 0) {
4991 DBG_ERR("Removing [%s] failed\n", smb_fname_str_dbg(sname));
4992 return map_nt_error_from_unix(errno);
4993 }
4994
4995 return NT_STATUS_OK;
4996 }
4997
4998 static NTSTATUS fruit_streaminfo_meta_stream(
4999 vfs_handle_struct *handle,
5000 struct files_struct *fsp,
5001 const struct smb_filename *smb_fname,
5002 TALLOC_CTX *mem_ctx,
5003 unsigned int *pnum_streams,
5004 struct stream_struct **pstreams)
5005 {
5006 struct stream_struct *stream = *pstreams;
5007 unsigned int num_streams = *pnum_streams;
5008 struct smb_filename *sname = NULL;
5009 char *full_name = NULL;
5010 uint32_t name_hash;
5011 struct share_mode_lock *lck = NULL;
5012 struct file_id id = {0};
5013 bool delete_on_close_set;
5014 int i;
5015 int ret;
5016 NTSTATUS status;
5017 bool ok;
5018
5019 for (i = 0; i < num_streams; i++) {
5020 if (strequal_m(stream[i].name, AFPINFO_STREAM)) {
5021 break;
5022 }
5023 }
5024
5025 if (i == num_streams) {
5026 return NT_STATUS_OK;
5027 }
5028
5029 if (stream[i].size != AFP_INFO_SIZE) {
5030 DBG_ERR("Removing invalid AFPINFO_STREAM size [%jd] from [%s]\n",
5031 (intmax_t)stream[i].size, smb_fname_str_dbg(smb_fname));
5032
5033 return delete_invalid_meta_stream(handle, smb_fname, mem_ctx,
5034 pnum_streams, pstreams);
5035 }
5036
5037 /*
5038 * Now check if there's a delete-on-close pending on the stream. If so,
5039 * hide the stream. This behaviour was verified against a macOS 10.12
5040 * SMB server.
5041 */
5042
5043 sname = synthetic_smb_fname(talloc_tos(),
5044 smb_fname->base_name,
5045 AFPINFO_STREAM_NAME,
5046 NULL, 0);
5047 if (sname == NULL) {
5048 status = NT_STATUS_NO_MEMORY;
5049 goto out;
5050 }
5051
5052 ret = SMB_VFS_NEXT_STAT(handle, sname);
5053 if (ret != 0) {
5054 status = map_nt_error_from_unix(errno);
5055 goto out;
5056 }
5057
5058 id = SMB_VFS_NEXT_FILE_ID_CREATE(handle, &sname->st);
5059
5060 lck = get_existing_share_mode_lock(talloc_tos(), id);
5061 if (lck == NULL) {
5062 status = NT_STATUS_OK;
5063 goto out;
5064 }
5065
5066 full_name = talloc_asprintf(talloc_tos(),
5067 "%s%s",
5068 sname->base_name,
5069 AFPINFO_STREAM);
5070 if (full_name == NULL) {
5071 status = NT_STATUS_NO_MEMORY;
5072 goto out;
5073 }
5074
5075 status = file_name_hash(handle->conn, full_name, &name_hash);
5076 if (!NT_STATUS_IS_OK(status)) {
5077 goto out;
5078 }
5079
5080 delete_on_close_set = is_delete_on_close_set(lck, name_hash);
5081 if (delete_on_close_set) {
5082 ok = del_fruit_stream(mem_ctx,
5083 pnum_streams,
5084 pstreams,
5085 AFPINFO_STREAM);
5086 if (!ok) {
5087 status = NT_STATUS_INTERNAL_ERROR;
5088 goto out;
5089 }
5090 }
5091
5092 status = NT_STATUS_OK;
5093
5094 out:
5095 TALLOC_FREE(sname);
5096 TALLOC_FREE(lck);
5097 TALLOC_FREE(full_name);
5098 return status;
5099 }
5100
5101 static NTSTATUS fruit_streaminfo_meta_netatalk(
5102 vfs_handle_struct *handle,
5103 struct files_struct *fsp,
5104 const struct smb_filename *smb_fname,
5105 TALLOC_CTX *mem_ctx,
5106 unsigned int *pnum_streams,
5107 struct stream_struct **pstreams)
5108 {
5109 struct stream_struct *stream = *pstreams;
5110 unsigned int num_streams = *pnum_streams;
5111 struct adouble *ad = NULL;
5112 bool is_fi_empty;
5113 int i;
5114 bool ok;
5115
5116 /* Remove the Netatalk xattr from the list */
5117 ok = del_fruit_stream(mem_ctx, pnum_streams, pstreams,
5118 ":" NETATALK_META_XATTR ":$DATA");
5119 if (!ok) {
5120 return NT_STATUS_NO_MEMORY;
5121 }
5122
5123 /*
5124 * Check if there's a AFPINFO_STREAM from the VFS streams
5125 * backend and if yes, remove it from the list
5126 */
5127 for (i = 0; i < num_streams; i++) {
5128 if (strequal_m(stream[i].name, AFPINFO_STREAM)) {
5129 break;
5130 }
5131 }
5132
5133 if (i < num_streams) {
5134 DBG_WARNING("Unexpected AFPINFO_STREAM on [%s]\n",
5135 smb_fname_str_dbg(smb_fname));
5136
5137 ok = del_fruit_stream(mem_ctx, pnum_streams, pstreams,
5138 AFPINFO_STREAM);
5139 if (!ok) {
5140 return NT_STATUS_INTERNAL_ERROR;
5141 }
5142 }
5143
5144 ad = ad_get(talloc_tos(), handle, smb_fname, ADOUBLE_META);
5145 if (ad == NULL) {
5146 return NT_STATUS_OK;
5147 }
5148
5149 is_fi_empty = ad_empty_finderinfo(ad);
5150 TALLOC_FREE(ad);
5151
5152 if (is_fi_empty) {
5153 return NT_STATUS_OK;
5154 }
5155
5156 ok = add_fruit_stream(mem_ctx, pnum_streams, pstreams,
5157 AFPINFO_STREAM_NAME, AFP_INFO_SIZE,
5158 smb_roundup(handle->conn, AFP_INFO_SIZE));
5159 if (!ok) {
5160 return NT_STATUS_NO_MEMORY;
5161 }
5162
5163 return NT_STATUS_OK;
5164 }
5165
5166 static NTSTATUS fruit_streaminfo_meta(vfs_handle_struct *handle,
5167 struct files_struct *fsp,
5168 const struct smb_filename *smb_fname,
5169 TALLOC_CTX *mem_ctx,
5170 unsigned int *pnum_streams,
5171 struct stream_struct **pstreams)
5172 {
5173 struct fruit_config_data *config = NULL;
5174 NTSTATUS status;
5175
5176 SMB_VFS_HANDLE_GET_DATA(handle, config, struct fruit_config_data,
5177 return NT_STATUS_INTERNAL_ERROR);
5178
5179 switch (config->meta) {
5180 case FRUIT_META_NETATALK:
5181 status = fruit_streaminfo_meta_netatalk(handle, fsp, smb_fname,
5182 mem_ctx, pnum_streams,
5183 pstreams);
5184 break;
5185
5186 case FRUIT_META_STREAM:
5187 status = fruit_streaminfo_meta_stream(handle, fsp, smb_fname,
5188 mem_ctx, pnum_streams,
5189 pstreams);
5190 break;
5191
5192 default:
5193 return NT_STATUS_INTERNAL_ERROR;
5194 }
5195
5196 return status;
5197 }
5198
5199 static NTSTATUS fruit_streaminfo_rsrc_stream(
5200 vfs_handle_struct *handle,
5201 struct files_struct *fsp,
5202 const struct smb_filename *smb_fname,
5203 TALLOC_CTX *mem_ctx,
5204 unsigned int *pnum_streams,
5205 struct stream_struct **pstreams)
5206 {
5207 bool ok;
5208
5209 ok = filter_empty_rsrc_stream(pnum_streams, pstreams);
5210 if (!ok) {
5211 DBG_ERR("Filtering resource stream failed\n");
5212 return NT_STATUS_INTERNAL_ERROR;
5213 }
5214 return NT_STATUS_OK;
5215 }
5216
5217 static NTSTATUS fruit_streaminfo_rsrc_xattr(
5218 vfs_handle_struct *handle,
5219 struct files_struct *fsp,
5220 const struct smb_filename *smb_fname,
5221 TALLOC_CTX *mem_ctx,
5222 unsigned int *pnum_streams,
5223 struct stream_struct **pstreams)
5224 {
5225 bool ok;
5226
5227 ok = filter_empty_rsrc_stream(pnum_streams, pstreams);
5228 if (!ok) {
5229 DBG_ERR("Filtering resource stream failed\n");
5230 return NT_STATUS_INTERNAL_ERROR;
5231 }
5232 return NT_STATUS_OK;
5233 }
5234
5235 static NTSTATUS fruit_streaminfo_rsrc_adouble(
5236 vfs_handle_struct *handle,
5237 struct files_struct *fsp,
5238 const struct smb_filename *smb_fname,
5239 TALLOC_CTX *mem_ctx,
5240 unsigned int *pnum_streams,
5241 struct stream_struct **pstreams)
5242 {
5243 struct stream_struct *stream = *pstreams;
5244 unsigned int num_streams = *pnum_streams;
5245 struct adouble *ad = NULL;
5246 bool ok;
5247 size_t rlen;
5248 int i;
5249
5250 /*
5251 * Check if there's a AFPRESOURCE_STREAM from the VFS streams backend
5252 * and if yes, remove it from the list
5253 */
5254 for (i = 0; i < num_streams; i++) {
5255 if (strequal_m(stream[i].name, AFPRESOURCE_STREAM)) {
5256 break;
5257 }
5258 }
5259
5260 if (i < num_streams) {
5261 DBG_WARNING("Unexpected AFPRESOURCE_STREAM on [%s]\n",
5262 smb_fname_str_dbg(smb_fname));
5263
5264 ok = del_fruit_stream(mem_ctx, pnum_streams, pstreams,
5265 AFPRESOURCE_STREAM);
5266 if (!ok) {
5267 return NT_STATUS_INTERNAL_ERROR;
5268 }
5269 }
5270
5271 ad = ad_get(talloc_tos(), handle, smb_fname, ADOUBLE_RSRC);
5272 if (ad == NULL) {
5273 return NT_STATUS_OK;
5274 }
5275
5276 rlen = ad_getentrylen(ad, ADEID_RFORK);
5277 TALLOC_FREE(ad);
5278
5279 if (rlen == 0) {
5280 return NT_STATUS_OK;
5281 }
5282
5283 ok = add_fruit_stream(mem_ctx, pnum_streams, pstreams,
5284 AFPRESOURCE_STREAM_NAME, rlen,
5285 smb_roundup(handle->conn, rlen));
5286 if (!ok) {
5287 return NT_STATUS_NO_MEMORY;
5288 }
5289
5290 return NT_STATUS_OK;
5291 }
5292
5293 static NTSTATUS fruit_streaminfo_rsrc(vfs_handle_struct *handle,
5294 struct files_struct *fsp,
5295 const struct smb_filename *smb_fname,
5296 TALLOC_CTX *mem_ctx,
5297 unsigned int *pnum_streams,
5298 struct stream_struct **pstreams)
5299 {
5300 struct fruit_config_data *config = NULL;
5301 NTSTATUS status;
5302
5303 SMB_VFS_HANDLE_GET_DATA(handle, config, struct fruit_config_data,
5304 return NT_STATUS_INTERNAL_ERROR);
5305
5306 switch (config->rsrc) {
5307 case FRUIT_RSRC_STREAM:
5308 status = fruit_streaminfo_rsrc_stream(handle, fsp, smb_fname,
5309 mem_ctx, pnum_streams,
5310 pstreams);
5311 break;
5312
5313 case FRUIT_RSRC_XATTR:
5314 status = fruit_streaminfo_rsrc_xattr(handle, fsp, smb_fname,
5315 mem_ctx, pnum_streams,
5316 pstreams);
5317 break;
5318
5319 case FRUIT_RSRC_ADFILE:
5320 status = fruit_streaminfo_rsrc_adouble(handle, fsp, smb_fname,
5321 mem_ctx, pnum_streams,
5322 pstreams);
5323 break;
5324
5325 default:
5326 return NT_STATUS_INTERNAL_ERROR;
5327 }
5328
5329 return status;
5330 }
5331
5332 static NTSTATUS fruit_streaminfo(vfs_handle_struct *handle,
5333 struct files_struct *fsp,
5334 const struct smb_filename *smb_fname,
5335 TALLOC_CTX *mem_ctx,
5336 unsigned int *pnum_streams,
5337 struct stream_struct **pstreams)
5338 {
5339 struct fruit_config_data *config = NULL;
5340 NTSTATUS status;
5341
5342 SMB_VFS_HANDLE_GET_DATA(handle, config, struct fruit_config_data,
5343 return NT_STATUS_UNSUCCESSFUL);
5344
5345 DBG_DEBUG("Path [%s]\n", smb_fname_str_dbg(smb_fname));
5346
5347 status = SMB_VFS_NEXT_STREAMINFO(handle, fsp, smb_fname, mem_ctx,
5348 pnum_streams, pstreams);
5349 if (!NT_STATUS_IS_OK(status)) {
5350 return status;
5351 }
5352
5353 status = fruit_streaminfo_meta(handle, fsp, smb_fname,
5354 mem_ctx, pnum_streams, pstreams);
5355 if (!NT_STATUS_IS_OK(status)) {
5356 return status;
5357 }
5358
5359 status = fruit_streaminfo_rsrc(handle, fsp, smb_fname,
5360 mem_ctx, pnum_streams, pstreams);
5361 if (!NT_STATUS_IS_OK(status)) {
5362 return status;
5363 }
5364
5365 return NT_STATUS_OK;
5366 }
5367
5368 static int fruit_ntimes(vfs_handle_struct *handle,
5369 const struct smb_filename *smb_fname,
5370 struct smb_file_time *ft)
5371 {
5372 int rc = 0;
5373 struct adouble *ad = NULL;
5374 struct fruit_config_data *config = NULL;
5375
5376 SMB_VFS_HANDLE_GET_DATA(handle, config, struct fruit_config_data,
5377 return -1);
5378
5379 if ((config->meta != FRUIT_META_NETATALK) ||
5380 null_timespec(ft->create_time))
5381 {
5382 return SMB_VFS_NEXT_NTIMES(handle, smb_fname, ft);
5383 }
5384
5385 DEBUG(10,("set btime for %s to %s\n", smb_fname_str_dbg(smb_fname),
5386 time_to_asc(convert_timespec_to_time_t(ft->create_time))));
5387
5388 ad = ad_get(talloc_tos(), handle, smb_fname, ADOUBLE_META);
5389 if (ad == NULL) {
5390 goto exit;
5391 }
5392
5393 ad_setdate(ad, AD_DATE_CREATE | AD_DATE_UNIX,
5394 convert_time_t_to_uint32_t(ft->create_time.tv_sec));
5395
5396 rc = ad_set(ad, smb_fname);
5397
5398 exit:
5399
5400 TALLOC_FREE(ad);
5401 if (rc != 0) {
5402 DEBUG(1, ("fruit_ntimes: %s\n", smb_fname_str_dbg(smb_fname)));
5403 return -1;
5404 }
5405 return SMB_VFS_NEXT_NTIMES(handle, smb_fname, ft);
5406 }
5407
5408 static int fruit_fallocate(struct vfs_handle_struct *handle,
5409 struct files_struct *fsp,
5410 uint32_t mode,
5411 off_t offset,
5412 off_t len)
5413 {
5414 struct fio *fio = (struct fio *)VFS_FETCH_FSP_EXTENSION(handle, fsp);
5415
5416 if (fio == NULL) {
5417 return SMB_VFS_NEXT_FALLOCATE(handle, fsp, mode, offset, len);
5418 }
5419
5420 /* Let the pwrite code path handle it. */
5421 errno = ENOSYS;
5422 return -1;
5423 }
5424
5425 static int fruit_ftruncate_rsrc_xattr(struct vfs_handle_struct *handle,
5426 struct files_struct *fsp,
5427 off_t offset)
5428 {
5429 if (offset == 0) {
5430 return SMB_VFS_FREMOVEXATTR(fsp, AFPRESOURCE_EA_NETATALK);
5431 }
5432
5433 #ifdef HAVE_ATTROPEN
5434 return SMB_VFS_NEXT_FTRUNCATE(handle, fsp, offset);
5435 #endif
5436 return 0;
5437 }
5438
5439 static int fruit_ftruncate_rsrc_adouble(struct vfs_handle_struct *handle,
5440 struct files_struct *fsp,
5441 off_t offset)
5442 {
5443 int rc;
5444 struct adouble *ad = NULL;
5445 off_t ad_off;
5446
5447 ad = ad_fget(talloc_tos(), handle, fsp, ADOUBLE_RSRC);
5448 if (ad == NULL) {
5449 DBG_DEBUG("ad_get [%s] failed [%s]\n",
5450 fsp_str_dbg(fsp), strerror(errno));
5451 return -1;
5452 }
5453
5454 ad_off = ad_getentryoff(ad, ADEID_RFORK);
5455
5456 rc = ftruncate(fsp->fh->fd, offset + ad_off);
5457 if (rc != 0) {
5458 TALLOC_FREE(ad);
5459 return -1;
5460 }
5461
5462 ad_setentrylen(ad, ADEID_RFORK, offset);
5463
5464 rc = ad_fset(ad, fsp);
5465 if (rc != 0) {
5466 DBG_ERR("ad_fset [%s] failed [%s]\n",
5467 fsp_str_dbg(fsp), strerror(errno));
5468 TALLOC_FREE(ad);
5469 return -1;
5470 }
5471
5472 TALLOC_FREE(ad);
5473 return 0;
5474 }
5475
5476 static int fruit_ftruncate_rsrc_stream(struct vfs_handle_struct *handle,
5477 struct files_struct *fsp,
5478 off_t offset)
5479 {
5480 if (offset == 0) {
5481 return SMB_VFS_NEXT_UNLINK(handle, fsp->fsp_name);
5482 }
5483
5484 return SMB_VFS_NEXT_FTRUNCATE(handle, fsp, offset);
5485 }
5486
5487 static int fruit_ftruncate_rsrc(struct vfs_handle_struct *handle,
5488 struct files_struct *fsp,
5489 off_t offset)
5490 {
5491 struct fio *fio = (struct fio *)VFS_FETCH_FSP_EXTENSION(handle, fsp);
5492 int ret;
5493
5494 switch (fio->config->rsrc) {
5495 case FRUIT_RSRC_XATTR:
5496 ret = fruit_ftruncate_rsrc_xattr(handle, fsp, offset);
5497 break;
5498
5499 case FRUIT_RSRC_ADFILE:
5500 ret = fruit_ftruncate_rsrc_adouble(handle, fsp, offset);
5501 break;
5502
5503 case FRUIT_RSRC_STREAM:
5504 ret = fruit_ftruncate_rsrc_stream(handle, fsp, offset);
5505 break;
5506
5507 default:
5508 DBG_ERR("Unexpected rsrc config [%d]\n", fio->config->rsrc);
5509 return -1;
5510 }
5511
5512
5513 return ret;
5514 }
5515
5516 static int fruit_ftruncate_meta(struct vfs_handle_struct *handle,
5517 struct files_struct *fsp,
5518 off_t offset)
5519 {
5520 if (offset > 60) {
5521 DBG_WARNING("ftruncate %s to %jd",
5522 fsp_str_dbg(fsp), (intmax_t)offset);
5523 /* OS X returns NT_STATUS_ALLOTTED_SPACE_EXCEEDED */
5524 errno = EOVERFLOW;
5525 return -1;
5526 }
5527
5528 /* OS X returns success but does nothing */
5529 DBG_INFO("ignoring ftruncate %s to %jd\n",
5530 fsp_str_dbg(fsp), (intmax_t)offset);
5531 return 0;
5532 }
5533
5534 static int fruit_ftruncate(struct vfs_handle_struct *handle,
5535 struct files_struct *fsp,
5536 off_t offset)
5537 {
5538 struct fio *fio = (struct fio *)VFS_FETCH_FSP_EXTENSION(handle, fsp);
5539 int ret;
5540
5541 DBG_DEBUG("Path [%s] offset [%"PRIdMAX"]\n", fsp_str_dbg(fsp),
5542 (intmax_t)offset);
5543
5544 if (fio == NULL) {
5545 return SMB_VFS_NEXT_FTRUNCATE(handle, fsp, offset);
5546 }
5547
5548 if (fio->type == ADOUBLE_META) {
5549 ret = fruit_ftruncate_meta(handle, fsp, offset);
5550 } else {
5551 ret = fruit_ftruncate_rsrc(handle, fsp, offset);
5552 }
5553
5554 DBG_DEBUG("Path [%s] result [%d]\n", fsp_str_dbg(fsp), ret);
5555 return ret;
5556 }
5557
5558 static NTSTATUS fruit_create_file(vfs_handle_struct *handle,
5559 struct smb_request *req,
5560 uint16_t root_dir_fid,
5561 struct smb_filename *smb_fname,
5562 uint32_t access_mask,
5563 uint32_t share_access,
5564 uint32_t create_disposition,
5565 uint32_t create_options,
5566 uint32_t file_attributes,
5567 uint32_t oplock_request,
5568 struct smb2_lease *lease,
5569 uint64_t allocation_size,
5570 uint32_t private_flags,
5571 struct security_descriptor *sd,
5572 struct ea_list *ea_list,
5573 files_struct **result,
5574 int *pinfo,
5575 const struct smb2_create_blobs *in_context_blobs,
5576 struct smb2_create_blobs *out_context_blobs)
5577 {
5578 NTSTATUS status;
5579 struct fruit_config_data *config = NULL;
5580 files_struct *fsp = NULL;
5581
5582 status = check_aapl(handle, req, in_context_blobs, out_context_blobs);
5583 if (!NT_STATUS_IS_OK(status)) {
5584 goto fail;
5585 }
5586
5587 SMB_VFS_HANDLE_GET_DATA(handle, config, struct fruit_config_data,
5588 return NT_STATUS_UNSUCCESSFUL);
5589
5590 status = SMB_VFS_NEXT_CREATE_FILE(
5591 handle, req, root_dir_fid, smb_fname,
5592 access_mask, share_access,
5593 create_disposition, create_options,
5594 file_attributes, oplock_request,
5595 lease,
5596 allocation_size, private_flags,
5597 sd, ea_list, result,
5598 pinfo, in_context_blobs, out_context_blobs);
5599 if (!NT_STATUS_IS_OK(status)) {
5600 return status;
5601 }
5602
5603 fsp = *result;
5604
5605 if (global_fruit_config.nego_aapl) {
5606 if (config->posix_rename && fsp->is_directory) {
5607 /*
5608 * Enable POSIX directory rename behaviour
5609 */
5610 fsp->posix_flags |= FSP_POSIX_FLAGS_RENAME;
5611 }
5612 }
5613
5614 /*
5615 * If this is a plain open for existing files, opening an 0
5616 * byte size resource fork MUST fail with
5617 * NT_STATUS_OBJECT_NAME_NOT_FOUND.
5618 *
5619 * Cf the vfs_fruit torture tests in test_rfork_create().
5620 */
5621 if (is_afpresource_stream(fsp->fsp_name) &&
5622 create_disposition == FILE_OPEN)
5623 {
5624 if (fsp->fsp_name->st.st_ex_size == 0) {
5625 status = NT_STATUS_OBJECT_NAME_NOT_FOUND;
5626 goto fail;
5627 }
5628 }
5629
5630 if (is_ntfs_stream_smb_fname(smb_fname)
5631 || fsp->is_directory) {
5632 return status;
5633 }
5634
5635 if (config->locking == FRUIT_LOCKING_NETATALK) {
5636 status = fruit_check_access(
5637 handle, *result,
5638 access_mask,
5639 map_share_mode_to_deny_mode(share_access, 0));
5640 if (!NT_STATUS_IS_OK(status)) {
5641 goto fail;
5642 }
5643 }
5644
5645 return status;
5646
5647 fail:
5648 DEBUG(10, ("fruit_create_file: %s\n", nt_errstr(status)));
5649
5650 if (fsp) {
5651 close_file(req, fsp, ERROR_CLOSE);
5652 *result = fsp = NULL;
5653 }
5654
5655 return status;
5656 }
5657
5658 static NTSTATUS fruit_readdir_attr(struct vfs_handle_struct *handle,
5659 const struct smb_filename *fname,
5660 TALLOC_CTX *mem_ctx,
5661 struct readdir_attr_data **pattr_data)
5662 {
5663 struct fruit_config_data *config = NULL;
5664 struct readdir_attr_data *attr_data;
5665 NTSTATUS status;
5666
5667 SMB_VFS_HANDLE_GET_DATA(handle, config,
5668 struct fruit_config_data,
5669 return NT_STATUS_UNSUCCESSFUL);
5670
5671 if (!global_fruit_config.nego_aapl) {
5672 return SMB_VFS_NEXT_READDIR_ATTR(handle, fname, mem_ctx, pattr_data);
5673 }
5674
5675 DEBUG(10, ("fruit_readdir_attr %s\n", fname->base_name));
5676
5677 *pattr_data = talloc_zero(mem_ctx, struct readdir_attr_data);
5678 if (*pattr_data == NULL) {
5679 return NT_STATUS_UNSUCCESSFUL;
5680 }
5681 attr_data = *pattr_data;
5682 attr_data->type = RDATTR_AAPL;
5683
5684 /*
5685 * Mac metadata: compressed FinderInfo, resource fork length
5686 * and creation date
5687 */
5688 status = readdir_attr_macmeta(handle, fname, attr_data);
5689 if (!NT_STATUS_IS_OK(status)) {
5690 /*
5691 * Error handling is tricky: if we return failure from
5692 * this function, the corresponding directory entry
5693 * will to be passed to the client, so we really just
5694 * want to error out on fatal errors.
5695 */
5696 if (!NT_STATUS_EQUAL(status, NT_STATUS_ACCESS_DENIED)) {
5697 goto fail;
5698 }
5699 }
5700
5701 /*
5702 * UNIX mode
5703 */
5704 if (config->unix_info_enabled) {
5705 attr_data->attr_data.aapl.unix_mode = fname->st.st_ex_mode;
5706 }
5707
5708 /*
5709 * max_access
5710 */
5711 if (!config->readdir_attr_max_access) {
5712 attr_data->attr_data.aapl.max_access = FILE_GENERIC_ALL;
5713 } else {
5714 status = smbd_calculate_access_mask(
5715 handle->conn,
5716 fname,
5717 false,
5718 SEC_FLAG_MAXIMUM_ALLOWED,
5719 &attr_data->attr_data.aapl.max_access);
5720 if (!NT_STATUS_IS_OK(status)) {
5721 goto fail;
5722 }
5723 }
5724
5725 return NT_STATUS_OK;
5726
5727 fail:
5728 DEBUG(1, ("fruit_readdir_attr %s, error: %s\n",
5729 fname->base_name, nt_errstr(status)));
5730 TALLOC_FREE(*pattr_data);
5731 return status;
5732 }
5733
5734 static NTSTATUS fruit_fget_nt_acl(vfs_handle_struct *handle,
5735 files_struct *fsp,
5736 uint32_t security_info,
5737 TALLOC_CTX *mem_ctx,
5738 struct security_descriptor **ppdesc)
5739 {
5740 NTSTATUS status;
5741 struct security_ace ace;
5742 struct dom_sid sid;
5743 struct fruit_config_data *config;
5744
5745 SMB_VFS_HANDLE_GET_DATA(handle, config,
5746 struct fruit_config_data,
5747 return NT_STATUS_UNSUCCESSFUL);
5748
5749 status = SMB_VFS_NEXT_FGET_NT_ACL(handle, fsp, security_info,
5750 mem_ctx, ppdesc);
5751 if (!NT_STATUS_IS_OK(status)) {
5752 return status;
5753 }
5754
5755 /*
5756 * Add MS NFS style ACEs with uid, gid and mode
5757 */
5758 if (!global_fruit_config.nego_aapl) {
5759 return NT_STATUS_OK;
5760 }
5761 if (!config->unix_info_enabled) {
5762 return NT_STATUS_OK;
5763 }
5764
5765 /* First remove any existing ACE's with NFS style mode/uid/gid SIDs. */
5766 status = remove_virtual_nfs_aces(*ppdesc);
5767 if (!NT_STATUS_IS_OK(status)) {
5768 DBG_WARNING("failed to remove MS NFS style ACEs\n");
5769 return status;
5770 }
5771
5772 /* MS NFS style mode */
5773 sid_compose(&sid, &global_sid_Unix_NFS_Mode, fsp->fsp_name->st.st_ex_mode);
5774 init_sec_ace(&ace, &sid, SEC_ACE_TYPE_ACCESS_DENIED, 0, 0);
5775 status = security_descriptor_dacl_add(*ppdesc, &ace);
5776 if (!NT_STATUS_IS_OK(status)) {
5777 DEBUG(1,("failed to add MS NFS style ACE\n"));
5778 return status;
5779 }
5780
5781 /* MS NFS style uid */
5782 sid_compose(&sid, &global_sid_Unix_NFS_Users, fsp->fsp_name->st.st_ex_uid);
5783 init_sec_ace(&ace, &sid, SEC_ACE_TYPE_ACCESS_DENIED, 0, 0);
5784 status = security_descriptor_dacl_add(*ppdesc, &ace);
5785 if (!NT_STATUS_IS_OK(status)) {
5786 DEBUG(1,("failed to add MS NFS style ACE\n"));
5787 return status;
5788 }
5789
5790 /* MS NFS style gid */
5791 sid_compose(&sid, &global_sid_Unix_NFS_Groups, fsp->fsp_name->st.st_ex_gid);
5792 init_sec_ace(&ace, &sid, SEC_ACE_TYPE_ACCESS_DENIED, 0, 0);
5793 status = security_descriptor_dacl_add(*ppdesc, &ace);
5794 if (!NT_STATUS_IS_OK(status)) {
5795 DEBUG(1,("failed to add MS NFS style ACE\n"));
5796 return status;
5797 }
5798
5799 return NT_STATUS_OK;
5800 }
5801
5802 static NTSTATUS fruit_fset_nt_acl(vfs_handle_struct *handle,
5803 files_struct *fsp,
5804 uint32_t security_info_sent,
5805 const struct security_descriptor *orig_psd)
5806 {
5807 NTSTATUS status;
5808 bool do_chmod;
5809 mode_t ms_nfs_mode = 0;
5810 int result;
5811 struct security_descriptor *psd = NULL;
5812 uint32_t orig_num_aces = 0;
5813
5814 if (orig_psd->dacl != NULL) {
5815 orig_num_aces = orig_psd->dacl->num_aces;
5816 }
5817
5818 psd = security_descriptor_copy(talloc_tos(), orig_psd);
5819 if (psd == NULL) {
5820 return NT_STATUS_NO_MEMORY;
5821 }
5822
5823 DBG_DEBUG("fruit_fset_nt_acl: %s\n", fsp_str_dbg(fsp));
5824
5825 status = check_ms_nfs(handle, fsp, psd, &ms_nfs_mode, &do_chmod);
5826 if (!NT_STATUS_IS_OK(status)) {
5827 DEBUG(1, ("fruit_fset_nt_acl: check_ms_nfs failed%s\n", fsp_str_dbg(fsp)));
5828 TALLOC_FREE(psd);
5829 return status;
5830 }
5831
5832 /*
5833 * If only ms_nfs ACE entries were sent, ensure we set the DACL
5834 * sent/present flags correctly now we've removed them.
5835 */
5836
5837 if (orig_num_aces != 0) {
5838 /*
5839 * Are there any ACE's left ?
5840 */
5841 if (psd->dacl->num_aces == 0) {
5842 /* No - clear the DACL sent/present flags. */
5843 security_info_sent &= ~SECINFO_DACL;
5844 psd->type &= ~SEC_DESC_DACL_PRESENT;
5845 }
5846 }
5847
5848 status = SMB_VFS_NEXT_FSET_NT_ACL(handle, fsp, security_info_sent, psd);
5849 if (!NT_STATUS_IS_OK(status)) {
5850 DEBUG(1, ("fruit_fset_nt_acl: SMB_VFS_NEXT_FSET_NT_ACL failed%s\n", fsp_str_dbg(fsp)));
5851 TALLOC_FREE(psd);
5852 return status;
5853 }
5854
5855 if (do_chmod) {
5856 if (fsp->fh->fd != -1) {
5857 result = SMB_VFS_FCHMOD(fsp, ms_nfs_mode);
5858 } else {
5859 result = SMB_VFS_CHMOD(fsp->conn,
5860 fsp->fsp_name,
5861 ms_nfs_mode);
5862 }
5863
5864 if (result != 0) {
5865 DEBUG(1, ("chmod: %s, result: %d, %04o error %s\n", fsp_str_dbg(fsp),
5866 result, (unsigned)ms_nfs_mode,
5867 strerror(errno)));
5868 status = map_nt_error_from_unix(errno);
5869 TALLOC_FREE(psd);
5870 return status;
5871 }
5872 }
5873
5874 TALLOC_FREE(psd);
5875 return NT_STATUS_OK;
5876 }
5877
5878 static struct vfs_offload_ctx *fruit_offload_ctx;
5879
5880 struct fruit_offload_read_state {
5881 struct vfs_handle_struct *handle;
5882 struct tevent_context *ev;
5883 files_struct *fsp;
5884 uint32_t fsctl;
5885 DATA_BLOB token;
5886 };
5887
5888 static void fruit_offload_read_done(struct tevent_req *subreq);
5889
5890 static struct tevent_req *fruit_offload_read_send(
5891 TALLOC_CTX *mem_ctx,
5892 struct tevent_context *ev,
5893 struct vfs_handle_struct *handle,
5894 files_struct *fsp,
5895 uint32_t fsctl,
5896 uint32_t ttl,
5897 off_t offset,
5898 size_t to_copy)
5899 {
5900 struct tevent_req *req = NULL;
5901 struct tevent_req *subreq = NULL;
5902 struct fruit_offload_read_state *state = NULL;
5903
5904 req = tevent_req_create(mem_ctx, &state,
5905 struct fruit_offload_read_state);
5906 if (req == NULL) {
5907 return NULL;
5908 }
5909 *state = (struct fruit_offload_read_state) {
5910 .handle = handle,
5911 .ev = ev,
5912 .fsp = fsp,
5913 .fsctl = fsctl,
5914 };
5915
5916 subreq = SMB_VFS_NEXT_OFFLOAD_READ_SEND(mem_ctx, ev, handle, fsp,
5917 fsctl, ttl, offset, to_copy);
5918 if (tevent_req_nomem(subreq, req)) {
5919 return tevent_req_post(req, ev);
5920 }
5921 tevent_req_set_callback(subreq, fruit_offload_read_done, req);
5922 return req;
5923 }
5924
5925 static void fruit_offload_read_done(struct tevent_req *subreq)
5926 {
5927 struct tevent_req *req = tevent_req_callback_data(
5928 subreq, struct tevent_req);
5929 struct fruit_offload_read_state *state = tevent_req_data(
5930 req, struct fruit_offload_read_state);
5931 NTSTATUS status;
5932
5933 status = SMB_VFS_NEXT_OFFLOAD_READ_RECV(subreq,
5934 state->handle,
5935 state,
5936 &state->token);
5937 TALLOC_FREE(subreq);
5938 if (tevent_req_nterror(req, status)) {
5939 return;
5940 }
5941
5942 if (state->fsctl != FSCTL_SRV_REQUEST_RESUME_KEY) {
5943 tevent_req_done(req);
5944 return;
5945 }
5946
5947 status = vfs_offload_token_ctx_init(state->fsp->conn->sconn->client,
5948 &fruit_offload_ctx);
5949 if (tevent_req_nterror(req, status)) {
5950 return;
5951 }
5952
5953 status = vfs_offload_token_db_store_fsp(fruit_offload_ctx,
5954 state->fsp,
5955 &state->token);
5956 if (tevent_req_nterror(req, status)) {
5957 return;
5958 }
5959
5960 tevent_req_done(req);
5961 return;
5962 }
5963
5964 static NTSTATUS fruit_offload_read_recv(struct tevent_req *req,
5965 struct vfs_handle_struct *handle,
5966 TALLOC_CTX *mem_ctx,
5967 DATA_BLOB *token)
5968 {
5969 struct fruit_offload_read_state *state = tevent_req_data(
5970 req, struct fruit_offload_read_state);
5971 NTSTATUS status;
5972
5973 if (tevent_req_is_nterror(req, &status)) {
5974 tevent_req_received(req);
5975 return status;
5976 }
5977
5978 token->length = state->token.length;
5979 token->data = talloc_move(mem_ctx, &state->token.data);
5980
5981 tevent_req_received(req);
5982 return NT_STATUS_OK;
5983 }
5984
5985 struct fruit_offload_write_state {
5986 struct vfs_handle_struct *handle;
5987 off_t copied;
5988 struct files_struct *src_fsp;
5989 struct files_struct *dst_fsp;
5990 bool is_copyfile;
5991 };
5992
5993 static void fruit_offload_write_done(struct tevent_req *subreq);
5994 static struct tevent_req *fruit_offload_write_send(struct vfs_handle_struct *handle,
5995 TALLOC_CTX *mem_ctx,
5996 struct tevent_context *ev,
5997 uint32_t fsctl,
5998 DATA_BLOB *token,
5999 off_t transfer_offset,
6000 struct files_struct *dest_fsp,
6001 off_t dest_off,
6002 off_t num)
6003 {
6004 struct tevent_req *req, *subreq;
6005 struct fruit_offload_write_state *state;
6006 NTSTATUS status;
6007 struct fruit_config_data *config;
6008 off_t src_off = transfer_offset;
6009 files_struct *src_fsp = NULL;
6010 off_t to_copy = num;
6011 bool copyfile_enabled = false;
6012
6013 DEBUG(10,("soff: %ju, doff: %ju, len: %ju\n",
6014 (uintmax_t)src_off, (uintmax_t)dest_off, (uintmax_t)num));
6015
6016 SMB_VFS_HANDLE_GET_DATA(handle, config,
6017 struct fruit_config_data,
6018 return NULL);
6019
6020 req = tevent_req_create(mem_ctx, &state,
6021 struct fruit_offload_write_state);
6022 if (req == NULL) {
6023 return NULL;
6024 }
6025 state->handle = handle;
6026 state->dst_fsp = dest_fsp;
6027
6028 switch (fsctl) {
6029 case FSCTL_SRV_COPYCHUNK:
6030 case FSCTL_SRV_COPYCHUNK_WRITE:
6031 copyfile_enabled = config->copyfile_enabled;
6032 break;
6033 default:
6034 break;
6035 }
6036
6037 /*
6038 * Check if this a OS X copyfile style copychunk request with
6039 * a requested chunk count of 0 that was translated to a
6040 * offload_write_send VFS call overloading the parameters src_off
6041 * = dest_off = num = 0.
6042 */
6043 if (copyfile_enabled && num == 0 && src_off == 0 && dest_off == 0) {
6044 status = vfs_offload_token_db_fetch_fsp(
6045 fruit_offload_ctx, token, &src_fsp);
6046 if (tevent_req_nterror(req, status)) {
6047 return tevent_req_post(req, ev);
6048 }
6049 state->src_fsp = src_fsp;
6050
6051 status = vfs_stat_fsp(src_fsp);
6052 if (tevent_req_nterror(req, status)) {
6053 return tevent_req_post(req, ev);
6054 }
6055
6056 to_copy = src_fsp->fsp_name->st.st_ex_size;
6057 state->is_copyfile = true;
6058 }
6059
6060 subreq = SMB_VFS_NEXT_OFFLOAD_WRITE_SEND(handle,
6061 mem_ctx,
6062 ev,
6063 fsctl,
6064 token,
6065 transfer_offset,
6066 dest_fsp,
6067 dest_off,
6068 to_copy);
6069 if (tevent_req_nomem(subreq, req)) {
6070 return tevent_req_post(req, ev);
6071 }
6072
6073 tevent_req_set_callback(subreq, fruit_offload_write_done, req);
6074 return req;
6075 }
6076
6077 static void fruit_offload_write_done(struct tevent_req *subreq)
6078 {
6079 struct tevent_req *req = tevent_req_callback_data(
6080 subreq, struct tevent_req);
6081 struct fruit_offload_write_state *state = tevent_req_data(
6082 req, struct fruit_offload_write_state);
6083 NTSTATUS status;
6084 unsigned int num_streams = 0;
6085 struct stream_struct *streams = NULL;
6086 unsigned int i;
6087 struct smb_filename *src_fname_tmp = NULL;
6088 struct smb_filename *dst_fname_tmp = NULL;
6089
6090 status = SMB_VFS_NEXT_OFFLOAD_WRITE_RECV(state->handle,
6091 subreq,
6092 &state->copied);
6093 TALLOC_FREE(subreq);
6094 if (tevent_req_nterror(req, status)) {
6095 return;
6096 }
6097
6098 if (!state->is_copyfile) {
6099 tevent_req_done(req);
6100 return;
6101 }
6102
6103 /*
6104 * Now copy all remaining streams. We know the share supports
6105 * streams, because we're in vfs_fruit. We don't do this async
6106 * because streams are few and small.
6107 */
6108 status = vfs_streaminfo(state->handle->conn, state->src_fsp,
6109 state->src_fsp->fsp_name,
6110 req, &num_streams, &streams);
6111 if (tevent_req_nterror(req, status)) {
6112 return;
6113 }
6114
6115 if (num_streams == 1) {
6116 /* There is always one stream, ::$DATA. */
6117 tevent_req_done(req);
6118 return;
6119 }
6120
6121 for (i = 0; i < num_streams; i++) {
6122 DEBUG(10, ("%s: stream: '%s'/%zu\n",
6123 __func__, streams[i].name, (size_t)streams[i].size));
6124
6125 src_fname_tmp = synthetic_smb_fname(
6126 req,
6127 state->src_fsp->fsp_name->base_name,
6128 streams[i].name,
6129 NULL,
6130 state->src_fsp->fsp_name->flags);
6131 if (tevent_req_nomem(src_fname_tmp, req)) {
6132 return;
6133 }
6134
6135 if (is_ntfs_default_stream_smb_fname(src_fname_tmp)) {
6136 TALLOC_FREE(src_fname_tmp);
6137 continue;
6138 }
6139
6140 dst_fname_tmp = synthetic_smb_fname(
6141 req,
6142 state->dst_fsp->fsp_name->base_name,
6143 streams[i].name,
6144 NULL,
6145 state->dst_fsp->fsp_name->flags);
6146 if (tevent_req_nomem(dst_fname_tmp, req)) {
6147 TALLOC_FREE(src_fname_tmp);
6148 return;
6149 }
6150
6151 status = copy_file(req,
6152 state->handle->conn,
6153 src_fname_tmp,
6154 dst_fname_tmp,
6155 OPENX_FILE_CREATE_IF_NOT_EXIST,
6156 0, false);
6157 if (!NT_STATUS_IS_OK(status)) {
6158 DEBUG(1, ("%s: copy %s to %s failed: %s\n", __func__,
6159 smb_fname_str_dbg(src_fname_tmp),
6160 smb_fname_str_dbg(dst_fname_tmp),
6161 nt_errstr(status)));
6162 TALLOC_FREE(src_fname_tmp);
6163 TALLOC_FREE(dst_fname_tmp);
6164 tevent_req_nterror(req, status);
6165 return;
6166 }
6167
6168 TALLOC_FREE(src_fname_tmp);
6169 TALLOC_FREE(dst_fname_tmp);
6170 }
6171
6172 TALLOC_FREE(streams);
6173 TALLOC_FREE(src_fname_tmp);
6174 TALLOC_FREE(dst_fname_tmp);
6175 tevent_req_done(req);
6176 }
6177
6178 static NTSTATUS fruit_offload_write_recv(struct vfs_handle_struct *handle,
6179 struct tevent_req *req,
6180 off_t *copied)
6181 {
6182 struct fruit_offload_write_state *state = tevent_req_data(
6183 req, struct fruit_offload_write_state);
6184 NTSTATUS status;
6185
6186 if (tevent_req_is_nterror(req, &status)) {
6187 DEBUG(1, ("server side copy chunk failed: %s\n",
6188 nt_errstr(status)));
6189 *copied = 0;
6190 tevent_req_received(req);
6191 return status;
6192 }
6193
6194 *copied = state->copied;
6195 tevent_req_received(req);
6196
6197 return NT_STATUS_OK;
6198 }
6199
6200 static char *fruit_get_bandsize_line(char **lines, int numlines)
6201 {
6202 static regex_t re;
6203 static bool re_initialized = false;
6204 int i;
6205 int ret;
6206
6207 if (!re_initialized) {
6208 ret = regcomp(&re, "^[[:blank:]]*<key>band-size</key>$", 0);
6209 if (ret != 0) {
6210 return NULL;
6211 }
6212 re_initialized = true;
6213 }
6214
6215 for (i = 0; i < numlines; i++) {
6216 regmatch_t matches[1];
6217
6218 ret = regexec(&re, lines[i], 1, matches, 0);
6219 if (ret == 0) {
6220 /*
6221 * Check if the match was on the last line, sa we want
6222 * the subsequent line.
6223 */
6224 if (i + 1 == numlines) {
6225 return NULL;
6226 }
6227 return lines[i + 1];
6228 }
6229 if (ret != REG_NOMATCH) {
6230 return NULL;
6231 }
6232 }
6233
6234 return NULL;
6235 }
6236
6237 static bool fruit_get_bandsize_from_line(char *line, size_t *_band_size)
6238 {
6239 static regex_t re;
6240 static bool re_initialized = false;
6241 regmatch_t matches[2];
6242 uint64_t band_size;
6243 int ret;
6244 bool ok;
6245
6246 if (!re_initialized) {
6247 ret = regcomp(&re,
6248 "^[[:blank:]]*"
6249 "<integer>\\([[:digit:]]*\\)</integer>$",
6250 0);
6251 if (ret != 0) {
6252 return false;
6253 }
6254 re_initialized = true;
6255 }
6256
6257 ret = regexec(&re, line, 2, matches, 0);
6258 if (ret != 0) {
6259 DBG_ERR("regex failed [%s]\n", line);
6260 return false;
6261 }
6262
6263 line[matches[1].rm_eo] = '\0';
6264
6265 ok = conv_str_u64(&line[matches[1].rm_so], &band_size);
6266 if (!ok) {
6267 return false;
6268 }
6269 *_band_size = (size_t)band_size;
6270 return true;
6271 }
6272
6273 /*
6274 * This reads and parses an Info.plist from a TM sparsebundle looking for the
6275 * "band-size" key and value.
6276 */
6277 static bool fruit_get_bandsize(vfs_handle_struct *handle,
6278 const char *dir,
6279 size_t *band_size)
6280 {
6281 #define INFO_PLIST_MAX_SIZE 64*1024
6282 char *plist = NULL;
6283 struct smb_filename *smb_fname = NULL;
6284 files_struct *fsp = NULL;
6285 uint8_t *file_data = NULL;
6286 char **lines = NULL;
6287 char *band_size_line = NULL;
6288 size_t plist_file_size;
6289 ssize_t nread;
6290 int numlines;
6291 int ret;
6292 bool ok = false;
6293 NTSTATUS status;
6294
6295 plist = talloc_asprintf(talloc_tos(),
6296 "%s/%s/Info.plist",
6297 handle->conn->connectpath,
6298 dir);
6299 if (plist == NULL) {
6300 ok = false;
6301 goto out;
6302 }
6303
6304 smb_fname = synthetic_smb_fname(talloc_tos(), plist, NULL, NULL, 0);
6305 if (smb_fname == NULL) {
6306 ok = false;
6307 goto out;
6308 }
6309
6310 ret = SMB_VFS_NEXT_LSTAT(handle, smb_fname);
6311 if (ret != 0) {
6312 DBG_INFO("Ignoring Sparsebundle without Info.plist [%s]\n", dir);
6313 ok = true;
6314 goto out;
6315 }
6316
6317 plist_file_size = smb_fname->st.st_ex_size;
6318
6319 if (plist_file_size > INFO_PLIST_MAX_SIZE) {
6320 DBG_INFO("%s is too large, ignoring\n", plist);
6321 ok = true;
6322 goto out;
6323 }
6324
6325 status = SMB_VFS_NEXT_CREATE_FILE(
6326 handle, /* conn */
6327 NULL, /* req */
6328 0, /* root_dir_fid */
6329 smb_fname, /* fname */
6330 FILE_GENERIC_READ, /* access_mask */
6331 FILE_SHARE_READ | FILE_SHARE_WRITE, /* share_access */
6332 FILE_OPEN, /* create_disposition */
6333 0, /* create_options */
6334 0, /* file_attributes */
6335 INTERNAL_OPEN_ONLY, /* oplock_request */
6336 NULL, /* lease */
6337 0, /* allocation_size */
6338 0, /* private_flags */
6339 NULL, /* sd */
6340 NULL, /* ea_list */
6341 &fsp, /* result */
6342 NULL, /* psbuf */
6343 NULL, NULL); /* create context */
6344 if (!NT_STATUS_IS_OK(status)) {
6345 DBG_INFO("Opening [%s] failed [%s]\n",
6346 smb_fname_str_dbg(smb_fname), nt_errstr(status));
6347 ok = false;
6348 goto out;
6349 }
6350
6351 file_data = talloc_array(talloc_tos(), uint8_t, plist_file_size);
6352 if (file_data == NULL) {
6353 ok = false;
6354 goto out;
6355 }
6356
6357 nread = SMB_VFS_NEXT_PREAD(handle, fsp, file_data, plist_file_size, 0);
6358 if (nread != plist_file_size) {
6359 DBG_ERR("Short read on [%s]: %zu/%zd\n",
6360 fsp_str_dbg(fsp), nread, plist_file_size);
6361 ok = false;
6362 goto out;
6363
6364 }
6365
6366 status = close_file(NULL, fsp, NORMAL_CLOSE);
6367 fsp = NULL;
6368 if (!NT_STATUS_IS_OK(status)) {
6369 DBG_ERR("close_file failed: %s\n", nt_errstr(status));
6370 ok = false;
6371 goto out;
6372 }
6373
6374 lines = file_lines_parse((char *)file_data,
6375 plist_file_size,
6376 &numlines,
6377 talloc_tos());
6378 if (lines == NULL) {
6379 ok = false;
6380 goto out;
6381 }
6382
6383 band_size_line = fruit_get_bandsize_line(lines, numlines);
6384 if (band_size_line == NULL) {
6385 DBG_ERR("Didn't find band-size key in [%s]\n",
6386 smb_fname_str_dbg(smb_fname));
6387 ok = false;
6388 goto out;
6389 }
6390
6391 ok = fruit_get_bandsize_from_line(band_size_line, band_size);
6392 if (!ok) {
6393 DBG_ERR("fruit_get_bandsize_from_line failed\n");
6394 goto out;
6395 }
6396
6397 DBG_DEBUG("Parsed band-size [%zu] for [%s]\n", *band_size, plist);
6398
6399 out:
6400 if (fsp != NULL) {
6401 status = close_file(NULL, fsp, NORMAL_CLOSE);
6402 if (!NT_STATUS_IS_OK(status)) {
6403 DBG_ERR("close_file failed: %s\n", nt_errstr(status));
6404 }
6405 fsp = NULL;
6406 }
6407 TALLOC_FREE(plist);
6408 TALLOC_FREE(smb_fname);
6409 TALLOC_FREE(file_data);
6410 TALLOC_FREE(lines);
6411 return ok;
6412 }
6413
6414 struct fruit_disk_free_state {
6415 off_t total_size;
6416 };
6417
6418 static bool fruit_get_num_bands(vfs_handle_struct *handle,
6419 char *bundle,
6420 size_t *_nbands)
6421 {
6422 char *path = NULL;
6423 struct smb_filename *bands_dir = NULL;
6424 DIR *d = NULL;
6425 struct dirent *e = NULL;
6426 size_t nbands;
6427 int ret;
6428
6429 path = talloc_asprintf(talloc_tos(),
6430 "%s/%s/bands",
6431 handle->conn->connectpath,
6432 bundle);
6433 if (path == NULL) {
6434 return false;
6435 }
6436
6437 bands_dir = synthetic_smb_fname(talloc_tos(),
6438 path,
6439 NULL,
6440 NULL,
6441 0);
6442 TALLOC_FREE(path);
6443 if (bands_dir == NULL) {
6444 return false;
6445 }
6446
6447 d = SMB_VFS_NEXT_OPENDIR(handle, bands_dir, NULL, 0);
6448 if (d == NULL) {
6449 TALLOC_FREE(bands_dir);
6450 return false;
6451 }
6452
6453 nbands = 0;
6454
6455 for (e = SMB_VFS_NEXT_READDIR(handle, d, NULL);
6456 e != NULL;
6457 e = SMB_VFS_NEXT_READDIR(handle, d, NULL))
6458 {
6459 if (ISDOT(e->d_name) || ISDOTDOT(e->d_name)) {
6460 continue;
6461 }
6462 nbands++;
6463 }
6464
6465 ret = SMB_VFS_NEXT_CLOSEDIR(handle, d);
6466 if (ret != 0) {
6467 TALLOC_FREE(bands_dir);
6468 return false;
6469 }
6470
6471 DBG_DEBUG("%zu bands in [%s]\n", nbands, smb_fname_str_dbg(bands_dir));
6472
6473 TALLOC_FREE(bands_dir);
6474
6475 *_nbands = nbands;
6476 return true;
6477 }
6478
6479 static bool fruit_tmsize_do_dirent(vfs_handle_struct *handle,
6480 struct fruit_disk_free_state *state,
6481 struct dirent *e)
6482 {
6483 bool ok;
6484 char *p = NULL;
6485 size_t sparsebundle_strlen = strlen("sparsebundle");
6486 size_t bandsize = 0;
6487 size_t nbands;
6488 off_t tm_size;
6489
6490 p = strstr(e->d_name, "sparsebundle");
6491 if (p == NULL) {
6492 return true;
6493 }
6494
6495 if (p[sparsebundle_strlen] != '\0') {
6496 return true;
6497 }
6498
6499 DBG_DEBUG("Processing sparsebundle [%s]\n", e->d_name);
6500
6501 ok = fruit_get_bandsize(handle, e->d_name, &bandsize);
6502 if (!ok) {
6503 /*
6504 * Beware of race conditions: this may be an uninitialized
6505 * Info.plist that a client is just creating. We don't want let
6506 * this to trigger complete failure.
6507 */
6508 DBG_ERR("Processing sparsebundle [%s] failed\n", e->d_name);
6509 return true;
6510 }
6511
6512 ok = fruit_get_num_bands(handle, e->d_name, &nbands);
6513 if (!ok) {
6514 /*
6515 * Beware of race conditions: this may be a backup sparsebundle
6516 * in an early stage lacking a bands subdirectory. We don't want
6517 * let this to trigger complete failure.
6518 */
6519 DBG_ERR("Processing sparsebundle [%s] failed\n", e->d_name);
6520 return true;
6521 }
6522
6523 if (bandsize > SIZE_MAX/nbands) {
6524 DBG_ERR("tmsize overflow: bandsize [%zu] nbands [%zu]\n",
6525 bandsize, nbands);
6526 return false;
6527 }
6528 tm_size = bandsize * nbands;
6529
6530 if (state->total_size + tm_size < state->total_size) {
6531 DBG_ERR("tmsize overflow: bandsize [%zu] nbands [%zu]\n",
6532 bandsize, nbands);
6533 return false;
6534 }
6535
6536 state->total_size += tm_size;
6537
6538 DBG_DEBUG("[%s] tm_size [%jd] total_size [%jd]\n",
6539 e->d_name, (intmax_t)tm_size, (intmax_t)state->total_size);
6540
6541 return true;
6542 }
6543
6544 /**
6545 * Calculate used size of a TimeMachine volume
6546 *
6547 * This assumes that the volume is used only for TimeMachine.
6548 *
6549 * - readdir(basedir of share), then
6550 * - for every element that matches regex "^\(.*\)\.sparsebundle$" :
6551 * - parse "\1.sparsebundle/Info.plist" and read the band-size XML key
6552 * - count band files in "\1.sparsebundle/bands/"
6553 * - calculate used size of all bands: band_count * band_size
6554 **/
6555 static uint64_t fruit_disk_free(vfs_handle_struct *handle,
6556 const struct smb_filename *smb_fname,
6557 uint64_t *_bsize,
6558 uint64_t *_dfree,
6559 uint64_t *_dsize)
6560 {
6561 struct fruit_config_data *config = NULL;
6562 struct fruit_disk_free_state state = {0};
6563 DIR *d = NULL;
6564 struct dirent *e = NULL;
6565 uint64_t dfree;
6566 uint64_t dsize;
6567 int ret;
6568 bool ok;
6569
6570 SMB_VFS_HANDLE_GET_DATA(handle, config,
6571 struct fruit_config_data,
6572 return UINT64_MAX);
6573
6574 if (!config->time_machine ||
6575 config->time_machine_max_size == 0)
6576 {
6577 return SMB_VFS_NEXT_DISK_FREE(handle,
6578 smb_fname,
6579 _bsize,
6580 _dfree,
6581 _dsize);
6582 }
6583
6584 d = SMB_VFS_NEXT_OPENDIR(handle, smb_fname, NULL, 0);
6585 if (d == NULL) {
6586 return UINT64_MAX;
6587 }
6588
6589 for (e = SMB_VFS_NEXT_READDIR(handle, d, NULL);
6590 e != NULL;
6591 e = SMB_VFS_NEXT_READDIR(handle, d, NULL))
6592 {
6593 ok = fruit_tmsize_do_dirent(handle, &state, e);
6594 if (!ok) {
6595 SMB_VFS_NEXT_CLOSEDIR(handle, d);
6596 return UINT64_MAX;
6597 }
6598 }
6599
6600 ret = SMB_VFS_NEXT_CLOSEDIR(handle, d);
6601 if (ret != 0) {
6602 return UINT64_MAX;
6603 }
6604
6605 dsize = config->time_machine_max_size / 512;
6606 dfree = dsize - (state.total_size / 512);
6607 if (dfree > dsize) {
6608 dfree = 0;
6609 }
6610
6611 *_bsize = 512;
6612 *_dsize = dsize;
6613 *_dfree = dfree;
6614 return dfree / 2;
6615 }
6616
6617 static struct vfs_fn_pointers vfs_fruit_fns = {
6618 .connect_fn = fruit_connect,
6619 .disk_free_fn = fruit_disk_free,
6620
6621 /* File operations */
6622 .chmod_fn = fruit_chmod,
6623 .chown_fn = fruit_chown,
6624 .unlink_fn = fruit_unlink,
6625 .rename_fn = fruit_rename,
6626 .rmdir_fn = fruit_rmdir,
6627 .open_fn = fruit_open,
6628 .pread_fn = fruit_pread,
6629 .pwrite_fn = fruit_pwrite,
6630 .pread_send_fn = fruit_pread_send,
6631 .pread_recv_fn = fruit_pread_recv,
6632 .pwrite_send_fn = fruit_pwrite_send,
6633 .pwrite_recv_fn = fruit_pwrite_recv,
6634 .stat_fn = fruit_stat,
6635 .lstat_fn = fruit_lstat,
6636 .fstat_fn = fruit_fstat,
6637 .streaminfo_fn = fruit_streaminfo,
6638 .ntimes_fn = fruit_ntimes,
6639 .ftruncate_fn = fruit_ftruncate,
6640 .fallocate_fn = fruit_fallocate,
6641 .create_file_fn = fruit_create_file,
6642 .readdir_attr_fn = fruit_readdir_attr,
6643 .offload_read_send_fn = fruit_offload_read_send,
6644 .offload_read_recv_fn = fruit_offload_read_recv,
6645 .offload_write_send_fn = fruit_offload_write_send,
6646 .offload_write_recv_fn = fruit_offload_write_recv,
6647
6648 /* NT ACL operations */
6649 .fget_nt_acl_fn = fruit_fget_nt_acl,
6650 .fset_nt_acl_fn = fruit_fset_nt_acl,
6651 };
6652
6653 static_decl_vfs;
6654 NTSTATUS vfs_fruit_init(TALLOC_CTX *ctx)
6655 {
6656 NTSTATUS ret = smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "fruit",
6657 &vfs_fruit_fns);
6658 if (!NT_STATUS_IS_OK(ret)) {
6659 return ret;
6660 }
6661
6662 vfs_fruit_debug_level = debug_add_class("fruit");
6663 if (vfs_fruit_debug_level == -1) {
6664 vfs_fruit_debug_level = DBGC_VFS;
6665 DEBUG(0, ("%s: Couldn't register custom debugging class!\n",
6666 "vfs_fruit_init"));
6667 } else {
6668 DEBUG(10, ("%s: Debug class number of '%s': %d\n",
6669 "vfs_fruit_init","fruit",vfs_fruit_debug_level));
6670 }
6671
6672 return ret;
6673 }
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