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Clarify which options are transfer rules, and what that means.
[rsync.git] / receiver.c
blob39c5e490dc96f80c9e2b139957b1881b39157027
1 /*
2 * Routines only used by the receiving process.
3 *
4 * Copyright (C) 1996-2000 Andrew Tridgell
5 * Copyright (C) 1996 Paul Mackerras
6 * Copyright (C) 2003-2009 Wayne Davison
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 3 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License along
19 * with this program; if not, visit the http://fsf.org website.
20 */
21
22 #include "rsync.h"
23
24 extern int verbose;
25 extern int dry_run;
26 extern int do_xfers;
27 extern int am_server;
28 extern int do_progress;
29 extern int inc_recurse;
30 extern int log_before_transfer;
31 extern int stdout_format_has_i;
32 extern int logfile_format_has_i;
33 extern int csum_length;
34 extern int read_batch;
35 extern int write_batch;
36 extern int batch_gen_fd;
37 extern int protocol_version;
38 extern int relative_paths;
39 extern int preserve_hard_links;
40 extern int preserve_perms;
41 extern int preserve_xattrs;
42 extern int basis_dir_cnt;
43 extern int make_backups;
44 extern int cleanup_got_literal;
45 extern int remove_source_files;
46 extern int append_mode;
47 extern int sparse_files;
48 extern int keep_partial;
49 extern int checksum_seed;
50 extern int inplace;
51 extern int delay_updates;
52 extern mode_t orig_umask;
53 extern struct stats stats;
54 extern char *tmpdir;
55 extern char *partial_dir;
56 extern char *basis_dir[];
57 extern struct file_list *cur_flist, *first_flist, *dir_flist;
58 extern struct filter_list_struct daemon_filter_list;
59
60 static struct bitbag *delayed_bits = NULL;
61 static int phase = 0, redoing = 0;
62 static flist_ndx_list batch_redo_list;
63 /* We're either updating the basis file or an identical copy: */
64 static int updating_basis_or_equiv;
65
66 /*
67 * get_tmpname() - create a tmp filename for a given filename
68 *
69 * If a tmpdir is defined, use that as the directory to
70 * put it in. Otherwise, the tmp filename is in the same
71 * directory as the given name. Note that there may be no
72 * directory at all in the given name!
73 *
74 * The tmp filename is basically the given filename with a
75 * dot prepended, and .XXXXXX appended (for mkstemp() to
76 * put its unique gunk in). Take care to not exceed
77 * either the MAXPATHLEN or NAME_MAX, esp. the last, as
78 * the basename basically becomes 8 chars longer. In that
79 * case, the original name is shortened sufficiently to
80 * make it all fit.
81 *
82 * Of course, there's no real reason for the tmp name to
83 * look like the original, except to satisfy us humans.
84 * As long as it's unique, rsync will work.
85 */
86
87 int get_tmpname(char *fnametmp, const char *fname)
88 {
89 int maxname, added, length = 0;
90 const char *f;
91
92 if (tmpdir) {
93 /* Note: this can't overflow, so the return value is safe */
94 length = strlcpy(fnametmp, tmpdir, MAXPATHLEN - 2);
95 fnametmp[length++] = '/';
96 }
97
98 if ((f = strrchr(fname, '/')) != NULL) {
99 ++f;
100 if (!tmpdir) {
101 length = f - fname;
102 /* copy up to and including the slash */
103 strlcpy(fnametmp, fname, length + 1);
104 }
105 } else
106 f = fname;
107 fnametmp[length++] = '.';
108
109 /* The maxname value is bufsize, and includes space for the '\0'.
110 * (Note that NAME_MAX get -8 for the leading '.' above.) */
111 maxname = MIN(MAXPATHLEN - 7 - length, NAME_MAX - 8);
112
113 if (maxname < 1) {
114 rprintf(FERROR_XFER, "temporary filename too long: %s\n", fname);
115 fnametmp[0] = '\0';
116 return 0;
117 }
118
119 added = strlcpy(fnametmp + length, f, maxname);
120 if (added >= maxname)
121 added = maxname - 1;
122 memcpy(fnametmp + length + added, ".XXXXXX", 8);
123
124 return 1;
125 }
126
127 /* Opens a temporary file for writing.
128 * Success: Writes name into fnametmp, returns fd.
129 * Failure: Clobbers fnametmp, returns -1.
130 * Calling cleanup_set() is the caller's job. */
131 int open_tmpfile(char *fnametmp, const char *fname, struct file_struct *file)
132 {
133 int fd;
134
135 if (!get_tmpname(fnametmp, fname))
136 return -1;
137
138 /* We initially set the perms without the setuid/setgid bits or group
139 * access to ensure that there is no race condition. They will be
140 * correctly updated after the right owner and group info is set.
141 * (Thanks to snabb@epipe.fi for pointing this out.) */
142 fd = do_mkstemp(fnametmp, file->mode & INITACCESSPERMS);
143
144 #if 0
145 /* In most cases parent directories will already exist because their
146 * information should have been previously transferred, but that may
147 * not be the case with -R */
148 if (fd == -1 && relative_paths && errno == ENOENT
149 && create_directory_path(fnametmp) == 0) {
150 /* Get back to name with XXXXXX in it. */
151 get_tmpname(fnametmp, fname);
152 fd = do_mkstemp(fnametmp, file->mode & INITACCESSPERMS);
153 }
154 #endif
155
156 if (fd == -1) {
157 rsyserr(FERROR_XFER, errno, "mkstemp %s failed",
158 full_fname(fnametmp));
159 return -1;
160 }
161
162 return fd;
163 }
164
165 static int receive_data(int f_in, char *fname_r, int fd_r, OFF_T size_r,
166 const char *fname, int fd, OFF_T total_size)
167 {
168 static char file_sum1[MAX_DIGEST_LEN];
169 static char file_sum2[MAX_DIGEST_LEN];
170 struct map_struct *mapbuf;
171 struct sum_struct sum;
172 int32 len, sum_len;
173 OFF_T offset = 0;
174 OFF_T offset2;
175 char *data;
176 int32 i;
177 char *map = NULL;
178
179 read_sum_head(f_in, &sum);
180
181 if (fd_r >= 0 && size_r > 0) {
182 int32 read_size = MAX(sum.blength * 2, 16*1024);
183 mapbuf = map_file(fd_r, size_r, read_size, sum.blength);
184 if (verbose > 2) {
185 rprintf(FINFO, "recv mapped %s of size %.0f\n",
186 fname_r, (double)size_r);
187 }
188 } else
189 mapbuf = NULL;
190
191 sum_init(checksum_seed);
192
193 if (append_mode > 0) {
194 OFF_T j;
195 sum.flength = (OFF_T)sum.count * sum.blength;
196 if (sum.remainder)
197 sum.flength -= sum.blength - sum.remainder;
198 if (append_mode == 2) {
199 for (j = CHUNK_SIZE; j < sum.flength; j += CHUNK_SIZE) {
200 if (do_progress)
201 show_progress(offset, total_size);
202 sum_update(map_ptr(mapbuf, offset, CHUNK_SIZE),
203 CHUNK_SIZE);
204 offset = j;
205 }
206 if (offset < sum.flength) {
207 int32 len = (int32)(sum.flength - offset);
208 if (do_progress)
209 show_progress(offset, total_size);
210 sum_update(map_ptr(mapbuf, offset, len), len);
211 }
212 }
213 offset = sum.flength;
214 if (fd != -1 && (j = do_lseek(fd, offset, SEEK_SET)) != offset) {
215 rsyserr(FERROR_XFER, errno, "lseek of %s returned %.0f, not %.0f",
216 full_fname(fname), (double)j, (double)offset);
217 exit_cleanup(RERR_FILEIO);
218 }
219 }
220
221 while ((i = recv_token(f_in, &data)) != 0) {
222 if (do_progress)
223 show_progress(offset, total_size);
224
225 if (i > 0) {
226 if (verbose > 3) {
227 rprintf(FINFO,"data recv %d at %.0f\n",
228 i,(double)offset);
229 }
230
231 stats.literal_data += i;
232 cleanup_got_literal = 1;
233
234 sum_update(data, i);
235
236 if (fd != -1 && write_file(fd,data,i) != i)
237 goto report_write_error;
238 offset += i;
239 continue;
240 }
241
242 i = -(i+1);
243 offset2 = i * (OFF_T)sum.blength;
244 len = sum.blength;
245 if (i == (int)sum.count-1 && sum.remainder != 0)
246 len = sum.remainder;
247
248 stats.matched_data += len;
249
250 if (verbose > 3) {
251 rprintf(FINFO,
252 "chunk[%d] of size %ld at %.0f offset=%.0f\n",
253 i, (long)len, (double)offset2, (double)offset);
254 }
255
256 if (mapbuf) {
257 map = map_ptr(mapbuf,offset2,len);
258
259 see_token(map, len);
260 sum_update(map, len);
261 }
262
263 if (updating_basis_or_equiv) {
264 if (offset == offset2 && fd != -1) {
265 OFF_T pos;
266 if (flush_write_file(fd) < 0)
267 goto report_write_error;
268 offset += len;
269 if ((pos = do_lseek(fd, len, SEEK_CUR)) != offset) {
270 rsyserr(FERROR_XFER, errno,
271 "lseek of %s returned %.0f, not %.0f",
272 full_fname(fname),
273 (double)pos, (double)offset);
274 exit_cleanup(RERR_FILEIO);
275 }
276 continue;
277 }
278 }
279 if (fd != -1 && map && write_file(fd, map, len) != (int)len)
280 goto report_write_error;
281 offset += len;
282 }
283
284 if (flush_write_file(fd) < 0)
285 goto report_write_error;
286
287 #ifdef HAVE_FTRUNCATE
288 if (inplace && fd != -1
289 && ftruncate(fd, offset) < 0) {
290 rsyserr(FERROR_XFER, errno, "ftruncate failed on %s",
291 full_fname(fname));
292 }
293 #endif
294
295 if (do_progress)
296 end_progress(total_size);
297
298 if (fd != -1 && offset > 0 && sparse_end(fd) != 0) {
299 report_write_error:
300 rsyserr(FERROR_XFER, errno, "write failed on %s",
301 full_fname(fname));
302 exit_cleanup(RERR_FILEIO);
303 }
304
305 sum_len = sum_end(file_sum1);
306
307 if (mapbuf)
308 unmap_file(mapbuf);
309
310 read_buf(f_in, file_sum2, sum_len);
311 if (verbose > 2)
312 rprintf(FINFO,"got file_sum\n");
313 if (fd != -1 && memcmp(file_sum1, file_sum2, sum_len) != 0)
314 return 0;
315 return 1;
316 }
317
318
319 static void discard_receive_data(int f_in, OFF_T length)
320 {
321 receive_data(f_in, NULL, -1, 0, NULL, -1, length);
322 }
323
324 static void handle_delayed_updates(char *local_name)
325 {
326 char *fname, *partialptr;
327 int ndx;
328
329 for (ndx = -1; (ndx = bitbag_next_bit(delayed_bits, ndx)) >= 0; ) {
330 struct file_struct *file = cur_flist->files[ndx];
331 fname = local_name ? local_name : f_name(file, NULL);
332 if ((partialptr = partial_dir_fname(fname)) != NULL) {
333 if (make_backups > 0 && !make_backup(fname))
334 continue;
335 if (verbose > 2) {
336 rprintf(FINFO, "renaming %s to %s\n",
337 partialptr, fname);
338 }
339 /* We don't use robust_rename() here because the
340 * partial-dir must be on the same drive. */
341 if (do_rename(partialptr, fname) < 0) {
342 rsyserr(FERROR_XFER, errno,
343 "rename failed for %s (from %s)",
344 full_fname(fname), partialptr);
345 } else {
346 if (remove_source_files
347 || (preserve_hard_links && F_IS_HLINKED(file)))
348 send_msg_int(MSG_SUCCESS, ndx);
349 handle_partial_dir(partialptr, PDIR_DELETE);
350 }
351 }
352 }
353 }
354
355 static void no_batched_update(int ndx, BOOL is_redo)
356 {
357 struct file_list *flist = flist_for_ndx(ndx, "no_batched_update");
358 struct file_struct *file = flist->files[ndx - flist->ndx_start];
359
360 rprintf(FERROR_XFER, "(No batched update for%s \"%s\")\n",
361 is_redo ? " resend of" : "", f_name(file, NULL));
362
363 if (inc_recurse && !dry_run)
364 send_msg_int(MSG_NO_SEND, ndx);
365 }
366
367 static int we_want_redo(int desired_ndx)
368 {
369 static int redo_ndx = -1;
370
371 while (redo_ndx < desired_ndx) {
372 if (redo_ndx >= 0)
373 no_batched_update(redo_ndx, True);
374 if ((redo_ndx = flist_ndx_pop(&batch_redo_list)) < 0)
375 return 0;
376 }
377
378 if (redo_ndx == desired_ndx) {
379 redo_ndx = -1;
380 return 1;
381 }
382
383 return 0;
384 }
385
386 static int gen_wants_ndx(int desired_ndx)
387 {
388 static int next_ndx = -1;
389 static int done_cnt = 0;
390 static BOOL got_eof = False;
391 int flist_num = first_flist->flist_num;
392
393 if (got_eof)
394 return 0;
395
396 while (next_ndx < desired_ndx) {
397 if (inc_recurse && flist_num <= done_cnt)
398 return 0;
399 if (next_ndx >= 0)
400 no_batched_update(next_ndx, False);
401 if ((next_ndx = read_int(batch_gen_fd)) < 0) {
402 if (inc_recurse) {
403 done_cnt++;
404 continue;
405 }
406 got_eof = True;
407 return 0;
408 }
409 }
410
411 if (next_ndx == desired_ndx) {
412 next_ndx = -1;
413 return 1;
414 }
415
416 return 0;
417 }
418
419 /**
420 * main routine for receiver process.
421 *
422 * Receiver process runs on the same host as the generator process. */
423 int recv_files(int f_in, char *local_name)
424 {
425 int fd1,fd2;
426 STRUCT_STAT st;
427 int iflags, xlen;
428 char *fname, fbuf[MAXPATHLEN];
429 char xname[MAXPATHLEN];
430 char fnametmp[MAXPATHLEN];
431 char *fnamecmp, *partialptr;
432 char fnamecmpbuf[MAXPATHLEN];
433 uchar fnamecmp_type;
434 struct file_struct *file;
435 struct stats initial_stats;
436 int itemizing = am_server ? logfile_format_has_i : stdout_format_has_i;
437 enum logcode log_code = log_before_transfer ? FLOG : FINFO;
438 int max_phase = protocol_version >= 29 ? 2 : 1;
439 int dflt_perms = (ACCESSPERMS & ~orig_umask);
440 #ifdef SUPPORT_ACLS
441 const char *parent_dirname = "";
442 #endif
443 int ndx, recv_ok;
444
445 if (verbose > 2)
446 rprintf(FINFO, "recv_files(%d) starting\n", cur_flist->used);
447
448 if (delay_updates)
449 delayed_bits = bitbag_create(cur_flist->used + 1);
450
451 while (1) {
452 cleanup_disable();
453
454 /* This call also sets cur_flist. */
455 ndx = read_ndx_and_attrs(f_in, &iflags, &fnamecmp_type,
456 xname, &xlen);
457 if (ndx == NDX_DONE) {
458 if (inc_recurse && first_flist) {
459 if (read_batch)
460 gen_wants_ndx(first_flist->used + first_flist->ndx_start);
461 flist_free(first_flist);
462 if (first_flist)
463 continue;
464 } else if (read_batch && first_flist)
465 gen_wants_ndx(first_flist->used);
466 if (++phase > max_phase)
467 break;
468 if (verbose > 2)
469 rprintf(FINFO, "recv_files phase=%d\n", phase);
470 if (phase == 2 && delay_updates)
471 handle_delayed_updates(local_name);
472 send_msg(MSG_DONE, "", 0, 0);
473 continue;
474 }
475
476 if (ndx - cur_flist->ndx_start >= 0)
477 file = cur_flist->files[ndx - cur_flist->ndx_start];
478 else
479 file = dir_flist->files[cur_flist->parent_ndx];
480 fname = local_name ? local_name : f_name(file, fbuf);
481
482 if (verbose > 2)
483 rprintf(FINFO, "recv_files(%s)\n", fname);
484
485 #ifdef SUPPORT_XATTRS
486 if (iflags & ITEM_REPORT_XATTR && do_xfers)
487 recv_xattr_request(file, f_in);
488 #endif
489
490 if (!(iflags & ITEM_TRANSFER)) {
491 maybe_log_item(file, iflags, itemizing, xname);
492 #ifdef SUPPORT_XATTRS
493 if (preserve_xattrs && iflags & ITEM_REPORT_XATTR && do_xfers)
494 set_file_attrs(fname, file, NULL, fname, 0);
495 #endif
496 continue;
497 }
498 if (phase == 2) {
499 rprintf(FERROR,
500 "got transfer request in phase 2 [%s]\n",
501 who_am_i());
502 exit_cleanup(RERR_PROTOCOL);
503 }
504
505 if (file->flags & FLAG_FILE_SENT) {
506 if (csum_length == SHORT_SUM_LENGTH) {
507 if (keep_partial && !partial_dir)
508 make_backups = -make_backups; /* prevents double backup */
509 if (append_mode)
510 sparse_files = -sparse_files;
511 append_mode = -append_mode;
512 csum_length = SUM_LENGTH;
513 redoing = 1;
514 }
515 } else {
516 if (csum_length != SHORT_SUM_LENGTH) {
517 if (keep_partial && !partial_dir)
518 make_backups = -make_backups;
519 if (append_mode)
520 sparse_files = -sparse_files;
521 append_mode = -append_mode;
522 csum_length = SHORT_SUM_LENGTH;
523 redoing = 0;
524 }
525 }
526
527 if (!am_server && do_progress)
528 set_current_file_index(file, ndx);
529 stats.num_transferred_files++;
530 stats.total_transferred_size += F_LENGTH(file);
531
532 cleanup_got_literal = 0;
533
534 if (daemon_filter_list.head
535 && check_filter(&daemon_filter_list, FLOG, fname, 0) < 0) {
536 rprintf(FERROR, "attempt to hack rsync failed.\n");
537 exit_cleanup(RERR_PROTOCOL);
538 }
539
540 if (read_batch) {
541 int wanted = redoing
542 ? we_want_redo(ndx)
543 : gen_wants_ndx(ndx);
544 if (!wanted) {
545 rprintf(FINFO,
546 "(Skipping batched update for%s \"%s\")\n",
547 redoing ? " resend of" : "",
548 fname);
549 discard_receive_data(f_in, F_LENGTH(file));
550 file->flags |= FLAG_FILE_SENT;
551 continue;
552 }
553 }
554
555 if (!do_xfers) { /* log the transfer */
556 log_item(FCLIENT, file, &stats, iflags, NULL);
557 if (read_batch)
558 discard_receive_data(f_in, F_LENGTH(file));
559 continue;
560 }
561 if (write_batch < 0) {
562 log_item(FCLIENT, file, &stats, iflags, NULL);
563 if (!am_server)
564 discard_receive_data(f_in, F_LENGTH(file));
565 continue;
566 }
567
568 partialptr = partial_dir ? partial_dir_fname(fname) : fname;
569
570 if (protocol_version >= 29) {
571 switch (fnamecmp_type) {
572 case FNAMECMP_FNAME:
573 fnamecmp = fname;
574 break;
575 case FNAMECMP_PARTIAL_DIR:
576 fnamecmp = partialptr;
577 break;
578 case FNAMECMP_BACKUP:
579 fnamecmp = get_backup_name(fname);
580 break;
581 case FNAMECMP_FUZZY:
582 if (file->dirname) {
583 pathjoin(fnamecmpbuf, MAXPATHLEN,
584 file->dirname, xname);
585 fnamecmp = fnamecmpbuf;
586 } else
587 fnamecmp = xname;
588 break;
589 default:
590 if (fnamecmp_type >= basis_dir_cnt) {
591 rprintf(FERROR,
592 "invalid basis_dir index: %d.\n",
593 fnamecmp_type);
594 exit_cleanup(RERR_PROTOCOL);
595 }
596 pathjoin(fnamecmpbuf, sizeof fnamecmpbuf,
597 basis_dir[fnamecmp_type], fname);
598 fnamecmp = fnamecmpbuf;
599 break;
600 }
601 if (!fnamecmp || (daemon_filter_list.head
602 && check_filter(&daemon_filter_list, FLOG, fname, 0) < 0)) {
603 fnamecmp = fname;
604 fnamecmp_type = FNAMECMP_FNAME;
605 }
606 } else {
607 /* Reminder: --inplace && --partial-dir are never
608 * enabled at the same time. */
609 if (inplace && make_backups > 0) {
610 if (!(fnamecmp = get_backup_name(fname)))
611 fnamecmp = fname;
612 else
613 fnamecmp_type = FNAMECMP_BACKUP;
614 } else if (partial_dir && partialptr)
615 fnamecmp = partialptr;
616 else
617 fnamecmp = fname;
618 }
619
620 initial_stats = stats;
621
622 /* open the file */
623 fd1 = do_open(fnamecmp, O_RDONLY, 0);
624
625 if (fd1 == -1 && protocol_version < 29) {
626 if (fnamecmp != fname) {
627 fnamecmp = fname;
628 fd1 = do_open(fnamecmp, O_RDONLY, 0);
629 }
630
631 if (fd1 == -1 && basis_dir[0]) {
632 /* pre-29 allowed only one alternate basis */
633 pathjoin(fnamecmpbuf, sizeof fnamecmpbuf,
634 basis_dir[0], fname);
635 fnamecmp = fnamecmpbuf;
636 fd1 = do_open(fnamecmp, O_RDONLY, 0);
637 }
638 }
639
640 updating_basis_or_equiv = inplace
641 && (fnamecmp == fname || fnamecmp_type == FNAMECMP_BACKUP);
642
643 if (fd1 == -1) {
644 st.st_mode = 0;
645 st.st_size = 0;
646 } else if (do_fstat(fd1,&st) != 0) {
647 rsyserr(FERROR_XFER, errno, "fstat %s failed",
648 full_fname(fnamecmp));
649 discard_receive_data(f_in, F_LENGTH(file));
650 close(fd1);
651 if (inc_recurse)
652 send_msg_int(MSG_NO_SEND, ndx);
653 continue;
654 }
655
656 if (fd1 != -1 && S_ISDIR(st.st_mode) && fnamecmp == fname) {
657 /* this special handling for directories
658 * wouldn't be necessary if robust_rename()
659 * and the underlying robust_unlink could cope
660 * with directories
661 */
662 rprintf(FERROR_XFER, "recv_files: %s is a directory\n",
663 full_fname(fnamecmp));
664 discard_receive_data(f_in, F_LENGTH(file));
665 close(fd1);
666 if (inc_recurse)
667 send_msg_int(MSG_NO_SEND, ndx);
668 continue;
669 }
670
671 if (fd1 != -1 && !S_ISREG(st.st_mode)) {
672 close(fd1);
673 fd1 = -1;
674 }
675
676 /* If we're not preserving permissions, change the file-list's
677 * mode based on the local permissions and some heuristics. */
678 if (!preserve_perms) {
679 int exists = fd1 != -1;
680 #ifdef SUPPORT_ACLS
681 const char *dn = file->dirname ? file->dirname : ".";
682 if (parent_dirname != dn
683 && strcmp(parent_dirname, dn) != 0) {
684 dflt_perms = default_perms_for_dir(dn);
685 parent_dirname = dn;
686 }
687 #endif
688 file->mode = dest_mode(file->mode, st.st_mode,
689 dflt_perms, exists);
690 }
691
692 /* We now check to see if we are writing the file "inplace" */
693 if (inplace) {
694 fd2 = do_open(fname, O_WRONLY|O_CREAT, 0600);
695 if (fd2 == -1) {
696 rsyserr(FERROR_XFER, errno, "open %s failed",
697 full_fname(fname));
698 }
699 } else {
700 fd2 = open_tmpfile(fnametmp, fname, file);
701 if (fd2 != -1)
702 cleanup_set(fnametmp, partialptr, file, fd1, fd2);
703 }
704
705 if (fd2 == -1) {
706 discard_receive_data(f_in, F_LENGTH(file));
707 if (fd1 != -1)
708 close(fd1);
709 if (inc_recurse)
710 send_msg_int(MSG_NO_SEND, ndx);
711 continue;
712 }
713
714 /* log the transfer */
715 if (log_before_transfer)
716 log_item(FCLIENT, file, &initial_stats, iflags, NULL);
717 else if (!am_server && verbose && do_progress)
718 rprintf(FINFO, "%s\n", fname);
719
720 /* recv file data */
721 recv_ok = receive_data(f_in, fnamecmp, fd1, st.st_size,
722 fname, fd2, F_LENGTH(file));
723
724 log_item(log_code, file, &initial_stats, iflags, NULL);
725
726 if (fd1 != -1)
727 close(fd1);
728 if (close(fd2) < 0) {
729 rsyserr(FERROR, errno, "close failed on %s",
730 full_fname(fnametmp));
731 exit_cleanup(RERR_FILEIO);
732 }
733
734 if ((recv_ok && (!delay_updates || !partialptr)) || inplace) {
735 if (partialptr == fname)
736 partialptr = NULL;
737 if (!finish_transfer(fname, fnametmp, fnamecmp,
738 partialptr, file, recv_ok, 1))
739 recv_ok = -1;
740 else if (fnamecmp == partialptr) {
741 do_unlink(partialptr);
742 handle_partial_dir(partialptr, PDIR_DELETE);
743 }
744 } else if (keep_partial && partialptr) {
745 if (!handle_partial_dir(partialptr, PDIR_CREATE)) {
746 rprintf(FERROR,
747 "Unable to create partial-dir for %s -- discarding %s.\n",
748 local_name ? local_name : f_name(file, NULL),
749 recv_ok ? "completed file" : "partial file");
750 do_unlink(fnametmp);
751 recv_ok = -1;
752 } else if (!finish_transfer(partialptr, fnametmp, fnamecmp, NULL,
753 file, recv_ok, !partial_dir))
754 recv_ok = -1;
755 else if (delay_updates && recv_ok) {
756 bitbag_set_bit(delayed_bits, ndx);
757 recv_ok = 2;
758 } else
759 partialptr = NULL;
760 } else
761 do_unlink(fnametmp);
762
763 cleanup_disable();
764
765 if (read_batch)
766 file->flags |= FLAG_FILE_SENT;
767
768 switch (recv_ok) {
769 case 2:
770 break;
771 case 1:
772 if (remove_source_files || inc_recurse
773 || (preserve_hard_links && F_IS_HLINKED(file)))
774 send_msg_int(MSG_SUCCESS, ndx);
775 break;
776 case 0: {
777 enum logcode msgtype = redoing ? FERROR_XFER : FWARNING;
778 if (msgtype == FERROR_XFER || verbose) {
779 char *errstr, *redostr, *keptstr;
780 if (!(keep_partial && partialptr) && !inplace)
781 keptstr = "discarded";
782 else if (partial_dir)
783 keptstr = "put into partial-dir";
784 else
785 keptstr = "retained";
786 if (msgtype == FERROR_XFER) {
787 errstr = "ERROR";
788 redostr = "";
789 } else {
790 errstr = "WARNING";
791 redostr = read_batch ? " (may try again)"
792 : " (will try again)";
793 }
794 rprintf(msgtype,
795 "%s: %s failed verification -- update %s%s.\n",
796 errstr, local_name ? f_name(file, NULL) : fname,
797 keptstr, redostr);
798 }
799 if (!redoing) {
800 if (read_batch)
801 flist_ndx_push(&batch_redo_list, ndx);
802 send_msg_int(MSG_REDO, ndx);
803 file->flags |= FLAG_FILE_SENT;
804 } else if (inc_recurse)
805 send_msg_int(MSG_NO_SEND, ndx);
806 break;
807 }
808 case -1:
809 if (inc_recurse)
810 send_msg_int(MSG_NO_SEND, ndx);
811 break;
812 }
813 }
814 if (make_backups < 0)
815 make_backups = -make_backups;
816
817 if (phase == 2 && delay_updates) /* for protocol_version < 29 */
818 handle_delayed_updates(local_name);
819
820 if (verbose > 2)
821 rprintf(FINFO,"recv_files finished\n");
822
823 return 0;
824 }
rsync: a fast, versatile, remote (and local) file-copying tool