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Fix some typos and such.
[rsync.git] / receiver.c
blob38eaa8408efa647212416b31b39cf9f1bc9118ca
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) 2003-2007 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 server_filter_list;
59
60 static struct bitbag *delayed_bits = NULL;
61 static int phase = 0, redoing = 0;
62 /* We're either updating the basis file or an identical copy: */
63 static int updating_basis_or_equiv;
64
65 /*
66 * get_tmpname() - create a tmp filename for a given filename
67 *
68 * If a tmpdir is defined, use that as the directory to
69 * put it in. Otherwise, the tmp filename is in the same
70 * directory as the given name. Note that there may be no
71 * directory at all in the given name!
72 *
73 * The tmp filename is basically the given filename with a
74 * dot prepended, and .XXXXXX appended (for mkstemp() to
75 * put its unique gunk in). Take care to not exceed
76 * either the MAXPATHLEN or NAME_MAX, esp. the last, as
77 * the basename basically becomes 8 chars longer. In that
78 * case, the original name is shortened sufficiently to
79 * make it all fit.
80 *
81 * Of course, there's no real reason for the tmp name to
82 * look like the original, except to satisfy us humans.
83 * As long as it's unique, rsync will work.
84 */
85
86 int get_tmpname(char *fnametmp, const char *fname)
87 {
88 int maxname, added, length = 0;
89 const char *f;
90
91 if (tmpdir) {
92 /* Note: this can't overflow, so the return value is safe */
93 length = strlcpy(fnametmp, tmpdir, MAXPATHLEN - 2);
94 fnametmp[length++] = '/';
95 }
96
97 if ((f = strrchr(fname, '/')) != NULL) {
98 ++f;
99 if (!tmpdir) {
100 length = f - fname;
101 /* copy up to and including the slash */
102 strlcpy(fnametmp, fname, length + 1);
103 }
104 } else
105 f = fname;
106 fnametmp[length++] = '.';
107
108 /* The maxname value is bufsize, and includes space for the '\0'.
109 * (Note that NAME_MAX get -8 for the leading '.' above.) */
110 maxname = MIN(MAXPATHLEN - 7 - length, NAME_MAX - 8);
111
112 if (maxname < 1) {
113 rprintf(FERROR_XFER, "temporary filename too long: %s\n", fname);
114 fnametmp[0] = '\0';
115 return 0;
116 }
117
118 added = strlcpy(fnametmp + length, f, maxname);
119 if (added >= maxname)
120 added = maxname - 1;
121 memcpy(fnametmp + length + added, ".XXXXXX", 8);
122
123 return 1;
124 }
125
126 /* Opens a temporary file for writing.
127 * Success: Writes name into fnametmp, returns fd.
128 * Failure: Clobbers fnametmp, returns -1.
129 * Calling cleanup_set() is the caller's job. */
130 int open_tmpfile(char *fnametmp, const char *fname, struct file_struct *file)
131 {
132 int fd;
133
134 if (!get_tmpname(fnametmp, fname))
135 return -1;
136
137 /* We initially set the perms without the setuid/setgid bits or group
138 * access to ensure that there is no race condition. They will be
139 * correctly updated after the right owner and group info is set.
140 * (Thanks to snabb@epipe.fi for pointing this out.) */
141 fd = do_mkstemp(fnametmp, file->mode & INITACCESSPERMS);
142
143 #if 0
144 /* In most cases parent directories will already exist because their
145 * information should have been previously transferred, but that may
146 * not be the case with -R */
147 if (fd == -1 && relative_paths && errno == ENOENT
148 && create_directory_path(fnametmp) == 0) {
149 /* Get back to name with XXXXXX in it. */
150 get_tmpname(fnametmp, fname);
151 fd = do_mkstemp(fnametmp, file->mode & INITACCESSPERMS);
152 }
153 #endif
154
155 if (fd == -1) {
156 rsyserr(FERROR_XFER, errno, "mkstemp %s failed",
157 full_fname(fnametmp));
158 return -1;
159 }
160
161 return fd;
162 }
163
164 static int receive_data(int f_in, char *fname_r, int fd_r, OFF_T size_r,
165 const char *fname, int fd, OFF_T total_size)
166 {
167 static char file_sum1[MAX_DIGEST_LEN];
168 static char file_sum2[MAX_DIGEST_LEN];
169 struct map_struct *mapbuf;
170 struct sum_struct sum;
171 int32 len, sum_len;
172 OFF_T offset = 0;
173 OFF_T offset2;
174 char *data;
175 int32 i;
176 char *map = NULL;
177
178 read_sum_head(f_in, &sum);
179
180 if (fd_r >= 0 && size_r > 0) {
181 int32 read_size = MAX(sum.blength * 2, 16*1024);
182 mapbuf = map_file(fd_r, size_r, read_size, sum.blength);
183 if (verbose > 2) {
184 rprintf(FINFO, "recv mapped %s of size %.0f\n",
185 fname_r, (double)size_r);
186 }
187 } else
188 mapbuf = NULL;
189
190 sum_init(checksum_seed);
191
192 if (append_mode > 0) {
193 OFF_T j;
194 sum.flength = (OFF_T)sum.count * sum.blength;
195 if (sum.remainder)
196 sum.flength -= sum.blength - sum.remainder;
197 if (append_mode == 2) {
198 for (j = CHUNK_SIZE; j < sum.flength; j += CHUNK_SIZE) {
199 if (do_progress)
200 show_progress(offset, total_size);
201 sum_update(map_ptr(mapbuf, offset, CHUNK_SIZE),
202 CHUNK_SIZE);
203 offset = j;
204 }
205 if (offset < sum.flength) {
206 int32 len = (int32)(sum.flength - offset);
207 if (do_progress)
208 show_progress(offset, total_size);
209 sum_update(map_ptr(mapbuf, offset, len), len);
210 }
211 }
212 offset = sum.flength;
213 if (fd != -1 && (j = do_lseek(fd, offset, SEEK_SET)) != offset) {
214 rsyserr(FERROR_XFER, errno, "lseek of %s returned %.0f, not %.0f",
215 full_fname(fname), (double)j, (double)offset);
216 exit_cleanup(RERR_FILEIO);
217 }
218 }
219
220 while ((i = recv_token(f_in, &data)) != 0) {
221 if (do_progress)
222 show_progress(offset, total_size);
223
224 if (i > 0) {
225 if (verbose > 3) {
226 rprintf(FINFO,"data recv %d at %.0f\n",
227 i,(double)offset);
228 }
229
230 stats.literal_data += i;
231 cleanup_got_literal = 1;
232
233 sum_update(data, i);
234
235 if (fd != -1 && write_file(fd,data,i) != i)
236 goto report_write_error;
237 offset += i;
238 continue;
239 }
240
241 i = -(i+1);
242 offset2 = i * (OFF_T)sum.blength;
243 len = sum.blength;
244 if (i == (int)sum.count-1 && sum.remainder != 0)
245 len = sum.remainder;
246
247 stats.matched_data += len;
248
249 if (verbose > 3) {
250 rprintf(FINFO,
251 "chunk[%d] of size %ld at %.0f offset=%.0f\n",
252 i, (long)len, (double)offset2, (double)offset);
253 }
254
255 if (mapbuf) {
256 map = map_ptr(mapbuf,offset2,len);
257
258 see_token(map, len);
259 sum_update(map, len);
260 }
261
262 if (updating_basis_or_equiv) {
263 if (offset == offset2 && fd != -1) {
264 OFF_T pos;
265 if (flush_write_file(fd) < 0)
266 goto report_write_error;
267 offset += len;
268 if ((pos = do_lseek(fd, len, SEEK_CUR)) != offset) {
269 rsyserr(FERROR_XFER, errno,
270 "lseek of %s returned %.0f, not %.0f",
271 full_fname(fname),
272 (double)pos, (double)offset);
273 exit_cleanup(RERR_FILEIO);
274 }
275 continue;
276 }
277 }
278 if (fd != -1 && map && write_file(fd, map, len) != (int)len)
279 goto report_write_error;
280 offset += len;
281 }
282
283 if (flush_write_file(fd) < 0)
284 goto report_write_error;
285
286 #ifdef HAVE_FTRUNCATE
287 if (inplace && fd != -1)
288 ftruncate(fd, offset);
289 #endif
290
291 if (do_progress)
292 end_progress(total_size);
293
294 if (fd != -1 && offset > 0 && sparse_end(fd) != 0) {
295 report_write_error:
296 rsyserr(FERROR_XFER, errno, "write failed on %s",
297 full_fname(fname));
298 exit_cleanup(RERR_FILEIO);
299 }
300
301 sum_len = sum_end(file_sum1);
302
303 if (mapbuf)
304 unmap_file(mapbuf);
305
306 read_buf(f_in, file_sum2, sum_len);
307 if (verbose > 2)
308 rprintf(FINFO,"got file_sum\n");
309 if (fd != -1 && memcmp(file_sum1, file_sum2, sum_len) != 0)
310 return 0;
311 return 1;
312 }
313
314
315 static void discard_receive_data(int f_in, OFF_T length)
316 {
317 receive_data(f_in, NULL, -1, 0, NULL, -1, length);
318 }
319
320 static void handle_delayed_updates(char *local_name)
321 {
322 char *fname, *partialptr;
323 int ndx;
324
325 for (ndx = -1; (ndx = bitbag_next_bit(delayed_bits, ndx)) >= 0; ) {
326 struct file_struct *file = cur_flist->files[ndx];
327 fname = local_name ? local_name : f_name(file, NULL);
328 if ((partialptr = partial_dir_fname(fname)) != NULL) {
329 if (make_backups > 0 && !make_backup(fname))
330 continue;
331 if (verbose > 2) {
332 rprintf(FINFO, "renaming %s to %s\n",
333 partialptr, fname);
334 }
335 /* We don't use robust_rename() here because the
336 * partial-dir must be on the same drive. */
337 if (do_rename(partialptr, fname) < 0) {
338 rsyserr(FERROR_XFER, errno,
339 "rename failed for %s (from %s)",
340 full_fname(fname), partialptr);
341 } else {
342 if (remove_source_files
343 || (preserve_hard_links && F_IS_HLINKED(file)))
344 send_msg_int(MSG_SUCCESS, ndx);
345 handle_partial_dir(partialptr, PDIR_DELETE);
346 }
347 }
348 }
349 }
350
351 static int get_next_gen_ndx(int fd, int next_gen_ndx, int desired_ndx)
352 {
353 while (next_gen_ndx < desired_ndx) {
354 if (next_gen_ndx >= 0) {
355 rprintf(FINFO,
356 "(No batched update for%s \"%s\")\n",
357 redoing ? " resend of" : "",
358 f_name(cur_flist->files[next_gen_ndx], NULL));
359 }
360 next_gen_ndx = read_int(fd);
361 if (next_gen_ndx == -1) {
362 if (inc_recurse)
363 next_gen_ndx = first_flist->prev->used + first_flist->prev->ndx_start;
364 else
365 next_gen_ndx = cur_flist->used;
366 }
367 }
368 return next_gen_ndx;
369 }
370
371 /**
372 * main routine for receiver process.
373 *
374 * Receiver process runs on the same host as the generator process. */
375 int recv_files(int f_in, char *local_name)
376 {
377 int next_gen_ndx = -1;
378 int fd1,fd2;
379 STRUCT_STAT st;
380 int iflags, xlen;
381 char *fname, fbuf[MAXPATHLEN];
382 char xname[MAXPATHLEN];
383 char fnametmp[MAXPATHLEN];
384 char *fnamecmp, *partialptr;
385 char fnamecmpbuf[MAXPATHLEN];
386 uchar fnamecmp_type;
387 struct file_struct *file;
388 struct stats initial_stats;
389 int itemizing = am_server ? logfile_format_has_i : stdout_format_has_i;
390 enum logcode log_code = log_before_transfer ? FLOG : FINFO;
391 int max_phase = protocol_version >= 29 ? 2 : 1;
392 int dflt_perms = (ACCESSPERMS & ~orig_umask);
393 #ifdef SUPPORT_ACLS
394 const char *parent_dirname = "";
395 #endif
396 int ndx, recv_ok;
397
398 if (verbose > 2)
399 rprintf(FINFO, "recv_files(%d) starting\n", cur_flist->used);
400
401 if (delay_updates)
402 delayed_bits = bitbag_create(cur_flist->used + 1);
403
404 while (1) {
405 cleanup_disable();
406
407 /* This call also sets cur_flist. */
408 ndx = read_ndx_and_attrs(f_in, &iflags, &fnamecmp_type,
409 xname, &xlen);
410 if (ndx == NDX_DONE) {
411 if (inc_recurse && first_flist) {
412 flist_free(first_flist);
413 if (first_flist)
414 continue;
415 }
416 if (read_batch && cur_flist) {
417 int high = inc_recurse
418 ? first_flist->prev->used + first_flist->prev->ndx_start
419 : cur_flist->used;
420 get_next_gen_ndx(batch_gen_fd, next_gen_ndx, high);
421 next_gen_ndx = -1;
422 }
423 if (++phase > max_phase)
424 break;
425 if (verbose > 2)
426 rprintf(FINFO, "recv_files phase=%d\n", phase);
427 if (phase == 2 && delay_updates)
428 handle_delayed_updates(local_name);
429 send_msg(MSG_DONE, "", 0, 0);
430 continue;
431 }
432
433 if (ndx - cur_flist->ndx_start >= 0)
434 file = cur_flist->files[ndx - cur_flist->ndx_start];
435 else
436 file = dir_flist->files[cur_flist->parent_ndx];
437 fname = local_name ? local_name : f_name(file, fbuf);
438
439 if (verbose > 2)
440 rprintf(FINFO, "recv_files(%s)\n", fname);
441
442 #ifdef SUPPORT_XATTRS
443 if (iflags & ITEM_REPORT_XATTR && !dry_run)
444 recv_xattr_request(file, f_in);
445 #endif
446
447 if (!(iflags & ITEM_TRANSFER)) {
448 maybe_log_item(file, iflags, itemizing, xname);
449 #ifdef SUPPORT_XATTRS
450 if (preserve_xattrs && iflags & ITEM_REPORT_XATTR && !dry_run)
451 set_file_attrs(fname, file, NULL, fname, 0);
452 #endif
453 continue;
454 }
455 if (phase == 2) {
456 rprintf(FERROR,
457 "got transfer request in phase 2 [%s]\n",
458 who_am_i());
459 exit_cleanup(RERR_PROTOCOL);
460 }
461
462 if (file->flags & FLAG_FILE_SENT) {
463 if (csum_length == SHORT_SUM_LENGTH) {
464 if (keep_partial && !partial_dir)
465 make_backups = -make_backups; /* prevents double backup */
466 if (append_mode)
467 sparse_files = -sparse_files;
468 append_mode = -append_mode;
469 csum_length = SUM_LENGTH;
470 redoing = 1;
471 }
472 } else {
473 if (csum_length != SHORT_SUM_LENGTH) {
474 if (keep_partial && !partial_dir)
475 make_backups = -make_backups;
476 if (append_mode)
477 sparse_files = -sparse_files;
478 append_mode = -append_mode;
479 csum_length = SHORT_SUM_LENGTH;
480 redoing = 0;
481 }
482 }
483
484 if (!am_server && do_progress)
485 set_current_file_index(file, ndx);
486 stats.num_transferred_files++;
487 stats.total_transferred_size += F_LENGTH(file);
488
489 cleanup_got_literal = 0;
490
491 if (server_filter_list.head
492 && check_filter(&server_filter_list, fname, 0) < 0) {
493 rprintf(FERROR, "attempt to hack rsync failed.\n");
494 exit_cleanup(RERR_PROTOCOL);
495 }
496
497 if (!do_xfers) { /* log the transfer */
498 log_item(FCLIENT, file, &stats, iflags, NULL);
499 if (read_batch)
500 discard_receive_data(f_in, F_LENGTH(file));
501 continue;
502 }
503 if (write_batch < 0) {
504 log_item(FINFO, file, &stats, iflags, NULL);
505 if (!am_server)
506 discard_receive_data(f_in, F_LENGTH(file));
507 continue;
508 }
509
510 if (read_batch) {
511 next_gen_ndx = get_next_gen_ndx(batch_gen_fd, next_gen_ndx, ndx);
512 if (ndx < next_gen_ndx) {
513 rprintf(FINFO,
514 "(Skipping batched update for \"%s\")\n",
515 fname);
516 discard_receive_data(f_in, F_LENGTH(file));
517 if (inc_recurse)
518 send_msg_int(MSG_NO_SEND, ndx);
519 continue;
520 }
521 next_gen_ndx = -1;
522 }
523
524 partialptr = partial_dir ? partial_dir_fname(fname) : fname;
525
526 if (protocol_version >= 29) {
527 switch (fnamecmp_type) {
528 case FNAMECMP_FNAME:
529 fnamecmp = fname;
530 break;
531 case FNAMECMP_PARTIAL_DIR:
532 fnamecmp = partialptr;
533 break;
534 case FNAMECMP_BACKUP:
535 fnamecmp = get_backup_name(fname);
536 break;
537 case FNAMECMP_FUZZY:
538 if (file->dirname) {
539 pathjoin(fnamecmpbuf, MAXPATHLEN,
540 file->dirname, xname);
541 fnamecmp = fnamecmpbuf;
542 } else
543 fnamecmp = xname;
544 break;
545 default:
546 if (fnamecmp_type >= basis_dir_cnt) {
547 rprintf(FERROR,
548 "invalid basis_dir index: %d.\n",
549 fnamecmp_type);
550 exit_cleanup(RERR_PROTOCOL);
551 }
552 pathjoin(fnamecmpbuf, sizeof fnamecmpbuf,
553 basis_dir[fnamecmp_type], fname);
554 fnamecmp = fnamecmpbuf;
555 break;
556 }
557 if (!fnamecmp || (server_filter_list.head
558 && check_filter(&server_filter_list, fname, 0) < 0)) {
559 fnamecmp = fname;
560 fnamecmp_type = FNAMECMP_FNAME;
561 }
562 } else {
563 /* Reminder: --inplace && --partial-dir are never
564 * enabled at the same time. */
565 if (inplace && make_backups > 0) {
566 if (!(fnamecmp = get_backup_name(fname)))
567 fnamecmp = fname;
568 else
569 fnamecmp_type = FNAMECMP_BACKUP;
570 } else if (partial_dir && partialptr)
571 fnamecmp = partialptr;
572 else
573 fnamecmp = fname;
574 }
575
576 initial_stats = stats;
577
578 /* open the file */
579 fd1 = do_open(fnamecmp, O_RDONLY, 0);
580
581 if (fd1 == -1 && protocol_version < 29) {
582 if (fnamecmp != fname) {
583 fnamecmp = fname;
584 fd1 = do_open(fnamecmp, O_RDONLY, 0);
585 }
586
587 if (fd1 == -1 && basis_dir[0]) {
588 /* pre-29 allowed only one alternate basis */
589 pathjoin(fnamecmpbuf, sizeof fnamecmpbuf,
590 basis_dir[0], fname);
591 fnamecmp = fnamecmpbuf;
592 fd1 = do_open(fnamecmp, O_RDONLY, 0);
593 }
594 }
595
596 updating_basis_or_equiv = inplace
597 && (fnamecmp == fname || fnamecmp_type == FNAMECMP_BACKUP);
598
599 if (fd1 == -1) {
600 st.st_mode = 0;
601 st.st_size = 0;
602 } else if (do_fstat(fd1,&st) != 0) {
603 rsyserr(FERROR_XFER, errno, "fstat %s failed",
604 full_fname(fnamecmp));
605 discard_receive_data(f_in, F_LENGTH(file));
606 close(fd1);
607 if (inc_recurse)
608 send_msg_int(MSG_NO_SEND, ndx);
609 continue;
610 }
611
612 if (fd1 != -1 && S_ISDIR(st.st_mode) && fnamecmp == fname) {
613 /* this special handling for directories
614 * wouldn't be necessary if robust_rename()
615 * and the underlying robust_unlink could cope
616 * with directories
617 */
618 rprintf(FERROR_XFER, "recv_files: %s is a directory\n",
619 full_fname(fnamecmp));
620 discard_receive_data(f_in, F_LENGTH(file));
621 close(fd1);
622 if (inc_recurse)
623 send_msg_int(MSG_NO_SEND, ndx);
624 continue;
625 }
626
627 if (fd1 != -1 && !S_ISREG(st.st_mode)) {
628 close(fd1);
629 fd1 = -1;
630 }
631
632 /* If we're not preserving permissions, change the file-list's
633 * mode based on the local permissions and some heuristics. */
634 if (!preserve_perms) {
635 int exists = fd1 != -1;
636 #ifdef SUPPORT_ACLS
637 const char *dn = file->dirname ? file->dirname : ".";
638 if (parent_dirname != dn
639 && strcmp(parent_dirname, dn) != 0) {
640 dflt_perms = default_perms_for_dir(dn);
641 parent_dirname = dn;
642 }
643 #endif
644 file->mode = dest_mode(file->mode, st.st_mode,
645 dflt_perms, exists);
646 }
647
648 /* We now check to see if we are writing the file "inplace" */
649 if (inplace) {
650 fd2 = do_open(fname, O_WRONLY|O_CREAT, 0600);
651 if (fd2 == -1) {
652 rsyserr(FERROR_XFER, errno, "open %s failed",
653 full_fname(fname));
654 }
655 } else {
656 fd2 = open_tmpfile(fnametmp, fname, file);
657 if (fd2 != -1)
658 cleanup_set(fnametmp, partialptr, file, fd1, fd2);
659 }
660
661 if (fd2 == -1) {
662 discard_receive_data(f_in, F_LENGTH(file));
663 if (fd1 != -1)
664 close(fd1);
665 if (inc_recurse)
666 send_msg_int(MSG_NO_SEND, ndx);
667 continue;
668 }
669
670 /* log the transfer */
671 if (log_before_transfer)
672 log_item(FCLIENT, file, &initial_stats, iflags, NULL);
673 else if (!am_server && verbose && do_progress)
674 rprintf(FINFO, "%s\n", fname);
675
676 /* recv file data */
677 recv_ok = receive_data(f_in, fnamecmp, fd1, st.st_size,
678 fname, fd2, F_LENGTH(file));
679
680 log_item(log_code, file, &initial_stats, iflags, NULL);
681
682 if (fd1 != -1)
683 close(fd1);
684 if (close(fd2) < 0) {
685 rsyserr(FERROR, errno, "close failed on %s",
686 full_fname(fnametmp));
687 exit_cleanup(RERR_FILEIO);
688 }
689
690 if ((recv_ok && (!delay_updates || !partialptr)) || inplace) {
691 if (partialptr == fname)
692 partialptr = NULL;
693 if (!finish_transfer(fname, fnametmp, fnamecmp,
694 partialptr, file, recv_ok, 1))
695 recv_ok = -1;
696 else if (fnamecmp == partialptr) {
697 do_unlink(partialptr);
698 handle_partial_dir(partialptr, PDIR_DELETE);
699 }
700 } else if (keep_partial && partialptr
701 && handle_partial_dir(partialptr, PDIR_CREATE)) {
702 if (!finish_transfer(partialptr, fnametmp, fnamecmp, NULL,
703 file, recv_ok, !partial_dir))
704 recv_ok = -1;
705 else if (delay_updates && recv_ok) {
706 bitbag_set_bit(delayed_bits, ndx);
707 recv_ok = 2;
708 }
709 } else {
710 partialptr = NULL;
711 do_unlink(fnametmp);
712 }
713
714 cleanup_disable();
715
716 switch (recv_ok) {
717 case 1:
718 if (remove_source_files || inc_recurse
719 || (preserve_hard_links && F_IS_HLINKED(file)))
720 send_msg_int(MSG_SUCCESS, ndx);
721 break;
722 case 0: {
723 enum logcode msgtype = redoing || read_batch ? FERROR : FWARNING;
724 if (msgtype == FERROR || verbose) {
725 char *errstr, *redostr, *keptstr;
726 if (!(keep_partial && partialptr) && !inplace)
727 keptstr = "discarded";
728 else if (partial_dir)
729 keptstr = "put into partial-dir";
730 else
731 keptstr = "retained";
732 if (msgtype == FERROR) {
733 errstr = "ERROR";
734 redostr = "";
735 } else {
736 errstr = "WARNING";
737 redostr = " (will try again)";
738 }
739 rprintf(msgtype,
740 "%s: %s failed verification -- update %s%s.\n",
741 errstr, fname, keptstr, redostr);
742 }
743 if (!redoing) {
744 send_msg_int(MSG_REDO, ndx);
745 file->flags |= FLAG_FILE_SENT;
746 } else if (inc_recurse)
747 send_msg_int(MSG_NO_SEND, ndx);
748 break;
749 }
750 case -1:
751 if (inc_recurse)
752 send_msg_int(MSG_NO_SEND, ndx);
753 break;
754 }
755 }
756 if (make_backups < 0)
757 make_backups = -make_backups;
758
759 if (phase == 2 && delay_updates) /* for protocol_version < 29 */
760 handle_delayed_updates(local_name);
761
762 if (verbose > 2)
763 rprintf(FINFO,"recv_files finished\n");
764
765 return 0;
766 }
rsync: a fast, versatile, remote (and local) file-copying tool